diff options
| author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
| commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
| tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/staging/rtl8187se/ieee80211 | |
| parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) | |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/staging/rtl8187se/ieee80211')
16 files changed, 13511 insertions, 0 deletions
diff --git a/drivers/staging/rtl8187se/ieee80211/dot11d.c b/drivers/staging/rtl8187se/ieee80211/dot11d.c new file mode 100644 index 00000000000..5d8b752fc0f --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/dot11d.c @@ -0,0 +1,246 @@ +#ifdef ENABLE_DOT11D
+//-----------------------------------------------------------------------------
+// File:
+// Dot11d.c
+//
+// Description:
+// Implement 802.11d.
+//
+//-----------------------------------------------------------------------------
+
+#include "dot11d.h"
+
+void
+Dot11d_Init(struct ieee80211_device *ieee)
+{
+ PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
+
+ pDot11dInfo->bEnabled = 0;
+
+ pDot11dInfo->State = DOT11D_STATE_NONE;
+ pDot11dInfo->CountryIeLen = 0;
+ memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+ memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+ RESET_CIE_WATCHDOG(ieee);
+
+ printk("Dot11d_Init()\n");
+}
+
+//
+// Description:
+// Reset to the state as we are just entering a regulatory domain.
+//
+void
+Dot11d_Reset(struct ieee80211_device *ieee)
+{
+ u32 i;
+ PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(ieee);
+
+ // Clear old channel map
+ memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+ memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+ // Set new channel map
+ for (i=1; i<=11; i++) {
+ (pDot11dInfo->channel_map)[i] = 1;
+ }
+ for (i=12; i<=14; i++) {
+ (pDot11dInfo->channel_map)[i] = 2;
+ }
+
+ pDot11dInfo->State = DOT11D_STATE_NONE;
+ pDot11dInfo->CountryIeLen = 0;
+ RESET_CIE_WATCHDOG(ieee);
+
+ //printk("Dot11d_Reset()\n");
+}
+
+//
+// Description:
+// Update country IE from Beacon or Probe Resopnse
+// and configure PHY for operation in the regulatory domain.
+//
+// TODO:
+// Configure Tx power.
+//
+// Assumption:
+// 1. IS_DOT11D_ENABLE() is TRUE.
+// 2. Input IE is an valid one.
+//
+void
+Dot11d_UpdateCountryIe(
+ struct ieee80211_device *dev,
+ u8 * pTaddr,
+ u16 CoutryIeLen,
+ u8 * pCoutryIe
+ )
+{
+ PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+ u8 i, j, NumTriples, MaxChnlNum;
+ PCHNL_TXPOWER_TRIPLE pTriple;
+
+ if((CoutryIeLen - 3)%3 != 0)
+ {
+ printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
+ Dot11d_Reset(dev);
+ return;
+ }
+
+ memset(pDot11dInfo->channel_map, 0, MAX_CHANNEL_NUMBER+1);
+ memset(pDot11dInfo->MaxTxPwrDbmList, 0xFF, MAX_CHANNEL_NUMBER+1);
+ MaxChnlNum = 0;
+ NumTriples = (CoutryIeLen - 3) / 3; // skip 3-byte country string.
+ pTriple = (PCHNL_TXPOWER_TRIPLE)(pCoutryIe + 3);
+ for(i = 0; i < NumTriples; i++)
+ {
+ if(MaxChnlNum >= pTriple->FirstChnl)
+ { // It is not in a monotonically increasing order, so stop processing.
+ printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........1\n");
+ Dot11d_Reset(dev);
+ return;
+ }
+ if(MAX_CHANNEL_NUMBER < (pTriple->FirstChnl + pTriple->NumChnls))
+ { // It is not a valid set of channel id, so stop processing.
+ printk("Dot11d_UpdateCountryIe(): Invalid country IE, skip it........2\n");
+ Dot11d_Reset(dev);
+ return;
+ }
+
+ for(j = 0 ; j < pTriple->NumChnls; j++)
+ {
+ pDot11dInfo->channel_map[pTriple->FirstChnl + j] = 1;
+ pDot11dInfo->MaxTxPwrDbmList[pTriple->FirstChnl + j] = pTriple->MaxTxPowerInDbm;
+ MaxChnlNum = pTriple->FirstChnl + j;
+ }
+
+ pTriple = (PCHNL_TXPOWER_TRIPLE)((u8*)pTriple + 3);
+ }
+#if 1
+ //printk("Dot11d_UpdateCountryIe(): Channel List:\n");
+ printk("Channel List:");
+ for(i=1; i<= MAX_CHANNEL_NUMBER; i++)
+ if(pDot11dInfo->channel_map[i] > 0)
+ printk(" %d", i);
+ printk("\n");
+#endif
+
+ UPDATE_CIE_SRC(dev, pTaddr);
+
+ pDot11dInfo->CountryIeLen = CoutryIeLen;
+ memcpy(pDot11dInfo->CountryIeBuf, pCoutryIe,CoutryIeLen);
+ pDot11dInfo->State = DOT11D_STATE_LEARNED;
+}
+
+void dump_chnl_map(u8 * channel_map)
+{
+ int i;
+ printk("Channel List:");
+ for(i=1; i<= MAX_CHANNEL_NUMBER; i++)
+ if(channel_map[i] > 0)
+ printk(" %d(%d)", i, channel_map[i]);
+ printk("\n");
+}
+
+u8
+DOT11D_GetMaxTxPwrInDbm(
+ struct ieee80211_device *dev,
+ u8 Channel
+ )
+{
+ PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+ u8 MaxTxPwrInDbm = 255;
+
+ if(MAX_CHANNEL_NUMBER < Channel)
+ {
+ printk("DOT11D_GetMaxTxPwrInDbm(): Invalid Channel\n");
+ return MaxTxPwrInDbm;
+ }
+ if(pDot11dInfo->channel_map[Channel])
+ {
+ MaxTxPwrInDbm = pDot11dInfo->MaxTxPwrDbmList[Channel];
+ }
+
+ return MaxTxPwrInDbm;
+}
+
+
+void
+DOT11D_ScanComplete(
+ struct ieee80211_device * dev
+ )
+{
+ PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+
+ switch(pDot11dInfo->State)
+ {
+ case DOT11D_STATE_LEARNED:
+ pDot11dInfo->State = DOT11D_STATE_DONE;
+ break;
+
+ case DOT11D_STATE_DONE:
+ if( GET_CIE_WATCHDOG(dev) == 0 )
+ { // Reset country IE if previous one is gone.
+ Dot11d_Reset(dev);
+ }
+ break;
+ case DOT11D_STATE_NONE:
+ break;
+ }
+}
+
+int IsLegalChannel(
+ struct ieee80211_device * dev,
+ u8 channel
+)
+{
+ PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+
+ if(MAX_CHANNEL_NUMBER < channel)
+ {
+ printk("IsLegalChannel(): Invalid Channel\n");
+ return 0;
+ }
+ if(pDot11dInfo->channel_map[channel] > 0)
+ return 1;
+ return 0;
+}
+
+int ToLegalChannel(
+ struct ieee80211_device * dev,
+ u8 channel
+)
+{
+ PRT_DOT11D_INFO pDot11dInfo = GET_DOT11D_INFO(dev);
+ u8 default_chn = 0;
+ u32 i = 0;
+
+ for (i=1; i<= MAX_CHANNEL_NUMBER; i++)
+ {
+ if(pDot11dInfo->channel_map[i] > 0)
+ {
+ default_chn = i;
+ break;
+ }
+ }
+
+ if(MAX_CHANNEL_NUMBER < channel)
+ {
+ printk("IsLegalChannel(): Invalid Channel\n");
+ return default_chn;
+ }
+
+ if(pDot11dInfo->channel_map[channel] > 0)
+ return channel;
+
+ return default_chn;
+}
+
+#if 0
+EXPORT_SYMBOL(Dot11d_Init);
+EXPORT_SYMBOL(Dot11d_Reset);
+EXPORT_SYMBOL(Dot11d_UpdateCountryIe);
+EXPORT_SYMBOL(DOT11D_GetMaxTxPwrInDbm);
+EXPORT_SYMBOL(DOT11D_ScanComplete);
+EXPORT_SYMBOL(IsLegalChannel);
+EXPORT_SYMBOL(ToLegalChannel);
+#endif
+#endif
diff --git a/drivers/staging/rtl8187se/ieee80211/dot11d.h b/drivers/staging/rtl8187se/ieee80211/dot11d.h new file mode 100644 index 00000000000..64bcf15bd21 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/dot11d.h @@ -0,0 +1,102 @@ +#ifndef __INC_DOT11D_H
+#define __INC_DOT11D_H
+
+#include "ieee80211.h"
+
+//#define ENABLE_DOT11D
+
+//#define DOT11D_MAX_CHNL_NUM 83
+
+typedef struct _CHNL_TXPOWER_TRIPLE {
+ u8 FirstChnl;
+ u8 NumChnls;
+ u8 MaxTxPowerInDbm;
+}CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
+
+typedef enum _DOT11D_STATE {
+ DOT11D_STATE_NONE = 0,
+ DOT11D_STATE_LEARNED,
+ DOT11D_STATE_DONE,
+}DOT11D_STATE;
+
+typedef struct _RT_DOT11D_INFO {
+ //DECLARE_RT_OBJECT(RT_DOT11D_INFO);
+
+ bool bEnabled; // dot11MultiDomainCapabilityEnabled
+
+ u16 CountryIeLen; // > 0 if CountryIeBuf[] contains valid country information element.
+ u8 CountryIeBuf[MAX_IE_LEN];
+ u8 CountryIeSrcAddr[6]; // Source AP of the country IE.
+ u8 CountryIeWatchdog;
+
+ u8 channel_map[MAX_CHANNEL_NUMBER+1]; //!!!Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan)
+ //u8 ChnlListLen; // #Bytes valid in ChnlList[].
+ //u8 ChnlList[DOT11D_MAX_CHNL_NUM];
+ u8 MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
+
+ DOT11D_STATE State;
+}RT_DOT11D_INFO, *PRT_DOT11D_INFO;
+#define eqMacAddr(a,b) ( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
+#define cpMacAddr(des,src) ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5])
+#define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO)((__pIeeeDev)->pDot11dInfo))
+
+#define IS_DOT11D_ENABLE(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->bEnabled
+#define IS_COUNTRY_IE_VALID(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
+
+#define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
+#define UPDATE_CIE_SRC(__pIeeeDev, __pTa) cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
+
+#define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
+ (((__Ie).Length == 0 || (__Ie).Length != GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? \
+ FALSE : \
+ (!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, (__Ie).Octet, (__Ie).Length)))
+
+#define CIE_WATCHDOG_TH 1
+#define GET_CIE_WATCHDOG(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog
+#define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
+#define UPDATE_CIE_WATCHDOG(__pIeeeDev) ++GET_CIE_WATCHDOG(__pIeeeDev)
+
+#define IS_DOT11D_STATE_DONE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
+
+
+void
+Dot11d_Init(
+ struct ieee80211_device *dev
+ );
+
+void
+Dot11d_Reset(
+ struct ieee80211_device *dev
+ );
+
+void
+Dot11d_UpdateCountryIe(
+ struct ieee80211_device *dev,
+ u8 * pTaddr,
+ u16 CoutryIeLen,
+ u8 * pCoutryIe
+ );
+
+u8
+DOT11D_GetMaxTxPwrInDbm(
+ struct ieee80211_device *dev,
+ u8 Channel
+ );
+
+void
+DOT11D_ScanComplete(
+ struct ieee80211_device * dev
+ );
+
+int IsLegalChannel(
+ struct ieee80211_device * dev,
+ u8 channel
+);
+
+int ToLegalChannel(
+ struct ieee80211_device * dev,
+ u8 channel
+);
+
+void dump_chnl_map(u8 * channel_map);
+#endif // #ifndef __INC_DOT11D_H
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211.h b/drivers/staging/rtl8187se/ieee80211/ieee80211.h new file mode 100644 index 00000000000..58336080ad5 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211.h @@ -0,0 +1,1755 @@ +/* + * Merged with mainline ieee80211.h in Aug 2004. Original ieee802_11 + * remains copyright by the original authors + * + * Portions of the merged code are based on Host AP (software wireless + * LAN access point) driver for Intersil Prism2/2.5/3. + * + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * <jkmaline@cc.hut.fi> + * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + * + * Adaption to a generic IEEE 802.11 stack by James Ketrenos + * <jketreno@linux.intel.com> + * Copyright (c) 2004, Intel Corporation + * + * Modified for Realtek's wi-fi cards by Andrea Merello + * <andreamrl@tiscali.it> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + */ +#ifndef IEEE80211_H +#define IEEE80211_H +#include <linux/if_ether.h> /* ETH_ALEN */ +#include <linux/kernel.h> /* ARRAY_SIZE */ +#include <linux/version.h> +#include <linux/jiffies.h> +#include <linux/timer.h> +#include <linux/sched.h> + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,13)) +#include <linux/wireless.h> +#endif + +/* +#ifndef bool +#define bool int +#endif + +#ifndef true +#define true 1 +#endif + +#ifndef false +#define false 0 +#endif +*/ +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) +#ifndef bool +typedef enum{false = 0, true} bool; +#endif +#endif +//#ifdef JOHN_HWSEC +#define KEY_TYPE_NA 0x0 +#define KEY_TYPE_WEP40 0x1 +#define KEY_TYPE_TKIP 0x2 +#define KEY_TYPE_CCMP 0x4 +#define KEY_TYPE_WEP104 0x5 +//#endif + + +#define aSifsTime 10 + +#define MGMT_QUEUE_NUM 5 + + +#define IEEE_CMD_SET_WPA_PARAM 1 +#define IEEE_CMD_SET_WPA_IE 2 +#define IEEE_CMD_SET_ENCRYPTION 3 +#define IEEE_CMD_MLME 4 + +#define IEEE_PARAM_WPA_ENABLED 1 +#define IEEE_PARAM_TKIP_COUNTERMEASURES 2 +#define IEEE_PARAM_DROP_UNENCRYPTED 3 +#define IEEE_PARAM_PRIVACY_INVOKED 4 +#define IEEE_PARAM_AUTH_ALGS 5 +#define IEEE_PARAM_IEEE_802_1X 6 +//It should consistent with the driver_XXX.c +// David, 2006.9.26 +#define IEEE_PARAM_WPAX_SELECT 7 +//Added for notify the encryption type selection +// David, 2006.9.26 +#define IEEE_PROTO_WPA 1 +#define IEEE_PROTO_RSN 2 +//Added for notify the encryption type selection +// David, 2006.9.26 +#define IEEE_WPAX_USEGROUP 0 +#define IEEE_WPAX_WEP40 1 +#define IEEE_WPAX_TKIP 2 +#define IEEE_WPAX_WRAP 3 +#define IEEE_WPAX_CCMP 4 +#define IEEE_WPAX_WEP104 5 + +#define IEEE_KEY_MGMT_IEEE8021X 1 +#define IEEE_KEY_MGMT_PSK 2 + + + +#define IEEE_MLME_STA_DEAUTH 1 +#define IEEE_MLME_STA_DISASSOC 2 + + +#define IEEE_CRYPT_ERR_UNKNOWN_ALG 2 +#define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3 +#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4 +#define IEEE_CRYPT_ERR_KEY_SET_FAILED 5 +#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6 +#define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7 + + +#define IEEE_CRYPT_ALG_NAME_LEN 16 + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,6,10)) +#define ieee80211_wx_get_scan ieee80211_wx_get_scan_rtl +#define ieee80211_wx_set_encode ieee80211_wx_set_encode_rtl +#define ieee80211_wx_get_encode ieee80211_wx_get_encode_rtl +//////////////////////////////// +// added for kernel conflict under FC5 +#define ieee80211_wx_get_name ieee80211_wx_get_name_rtl +#define free_ieee80211 free_ieee80211_rtl +#define alloc_ieee80211 alloc_ieee80211_rtl +/////////////////////////////// +#endif +//error in ubuntu2.6.22,so add these +#define ieee80211_wake_queue ieee80211_wake_queue_rtl +#define ieee80211_stop_queue ieee80211_stop_queue_rtl + +#define ieee80211_rx ieee80211_rx_rtl + +#define ieee80211_register_crypto_ops ieee80211_register_crypto_ops_rtl +#define ieee80211_unregister_crypto_ops ieee80211_unregister_crypto_ops_rtl +#define ieee80211_get_crypto_ops ieee80211_get_crypto_ops_rtl +#define ieee80211_crypt_deinit_entries ieee80211_crypt_deinit_entries_rtl +#define ieee80211_crypt_deinit_handler ieee80211_crypt_deinit_handler_rtl +#define ieee80211_crypt_delayed_deinit ieee80211_crypt_delayed_deinit_rtl + +#define ieee80211_txb_free ieee80211_txb_free_rtl +#define ieee80211_wx_get_essid ieee80211_wx_get_essid_rtl +#define ieee80211_wx_set_essid ieee80211_wx_set_essid_rtl +#define ieee80211_wx_set_rate ieee80211_wx_set_rate_rtl +#define ieee80211_wx_get_rate ieee80211_wx_get_rate_rtl +#define ieee80211_wx_set_wap ieee80211_wx_set_wap_rtl +#define ieee80211_wx_get_wap ieee80211_wx_get_wap_rtl +#define ieee80211_wx_set_mode ieee80211_wx_set_mode_rtl +#define ieee80211_wx_get_mode ieee80211_wx_get_mode_rtl +#define ieee80211_wx_set_scan ieee80211_wx_set_scan_rtl +#define ieee80211_wx_get_freq ieee80211_wx_get_freq_rtl +#define ieee80211_wx_set_freq ieee80211_wx_set_freq_rtl +#define ieee80211_wx_set_rawtx ieee80211_wx_set_rawtx_rtl +#define ieee80211_wx_set_power ieee80211_wx_set_power_rtl +#define ieee80211_wx_get_power ieee80211_wx_get_power_rtl +#define ieee80211_wlan_frequencies ieee80211_wlan_frequencies_rtl +#define ieee80211_softmac_stop_protocol ieee80211_softmac_stop_protocol_rtl +#define ieee80211_softmac_start_protocol ieee80211_softmac_start_protocol_rtl +#define ieee80211_start_protocol ieee80211_start_protocol_rtl +#define ieee80211_stop_protocol ieee80211_stop_protocol_rtl +#define ieee80211_rx_mgt ieee80211_rx_mgt_rtl + +#define ieee80211_wx_set_auth ieee80211_wx_set_auth_rtl +//by amy for ps +#define notify_wx_assoc_event notify_wx_assoc_event_rtl +#define ieee80211_stop_send_beacons ieee80211_stop_send_beacons_rtl +#define ieee80211_disassociate ieee80211_disassociate_rtl +#define ieee80211_start_scan ieee80211_start_scan_rtl +//by amy for ps +typedef struct ieee_param { + u32 cmd; + u8 sta_addr[ETH_ALEN]; + union { + struct { + u8 name; + u32 value; + } wpa_param; + struct { + u32 len; + u8 reserved[32]; + u8 data[0]; + } wpa_ie; + struct{ + int command; + int reason_code; + } mlme; + struct { + u8 alg[IEEE_CRYPT_ALG_NAME_LEN]; + u8 set_tx; + u32 err; + u8 idx; + u8 seq[8]; /* sequence counter (set: RX, get: TX) */ + u16 key_len; + u8 key[0]; + } crypt; + + } u; +}ieee_param; + + +#if WIRELESS_EXT < 17 +#define IW_QUAL_QUAL_INVALID 0x10 +#define IW_QUAL_LEVEL_INVALID 0x20 +#define IW_QUAL_NOISE_INVALID 0x40 +#define IW_QUAL_QUAL_UPDATED 0x1 +#define IW_QUAL_LEVEL_UPDATED 0x2 +#define IW_QUAL_NOISE_UPDATED 0x4 +#endif + +// linux under 2.6.9 release may not support it, so modify it for common use +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,9)) +#define MSECS(t) (1000 * ((t) / HZ) + 1000 * ((t) % HZ) / HZ) +static inline unsigned long msleep_interruptible_rtl(unsigned int msecs) +{ + unsigned long timeout = MSECS(msecs) + 1; + + while (timeout) { + set_current_state(TASK_UNINTERRUPTIBLE); + timeout = schedule_timeout(timeout); + } + return timeout; +} +#else +#define MSECS(t) msecs_to_jiffies(t) +#define msleep_interruptible_rtl msleep_interruptible +#endif + +#define IEEE80211_DATA_LEN 2304 +/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section + 6.2.1.1.2. + + The figure in section 7.1.2 suggests a body size of up to 2312 + bytes is allowed, which is a bit confusing, I suspect this + represents the 2304 bytes of real data, plus a possible 8 bytes of + WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ + + +#define IEEE80211_HLEN 30 +#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN) + +/* this is stolen and modified from the madwifi driver*/ +#define IEEE80211_FC0_TYPE_MASK 0x0c +#define IEEE80211_FC0_TYPE_DATA 0x08 +#define IEEE80211_FC0_SUBTYPE_MASK 0xB0 +#define IEEE80211_FC0_SUBTYPE_QOS 0x80 + +#define IEEE80211_QOS_HAS_SEQ(fc) \ + (((fc) & (IEEE80211_FC0_TYPE_MASK | IEEE80211_FC0_SUBTYPE_MASK)) == \ + (IEEE80211_FC0_TYPE_DATA | IEEE80211_FC0_SUBTYPE_QOS)) + +/* this is stolen from ipw2200 driver */ +#define IEEE_IBSS_MAC_HASH_SIZE 31 +struct ieee_ibss_seq { + u8 mac[ETH_ALEN]; + u16 seq_num[17]; + u16 frag_num[17]; + unsigned long packet_time[17]; + struct list_head list; +}; + +struct ieee80211_hdr { + u16 frame_ctl; + u16 duration_id; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; + u8 addr3[ETH_ALEN]; + u16 seq_ctl; + u8 addr4[ETH_ALEN]; +} __attribute__ ((packed)); + +struct ieee80211_hdr_QOS { + u16 frame_ctl; + u16 duration_id; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; + u8 addr3[ETH_ALEN]; + u16 seq_ctl; + u8 addr4[ETH_ALEN]; + u16 QOS_ctl; +} __attribute__ ((packed)); + +struct ieee80211_hdr_3addr { + u16 frame_ctl; + u16 duration_id; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; + u8 addr3[ETH_ALEN]; + u16 seq_ctl; +} __attribute__ ((packed)); + +struct ieee80211_hdr_3addr_QOS { + u16 frame_ctl; + u16 duration_id; + u8 addr1[ETH_ALEN]; + u8 addr2[ETH_ALEN]; + u8 addr3[ETH_ALEN]; + u16 seq_ctl; + u16 QOS_ctl; +} __attribute__ ((packed)); + +enum eap_type { + EAP_PACKET = 0, + EAPOL_START, + EAPOL_LOGOFF, + EAPOL_KEY, + EAPOL_ENCAP_ASF_ALERT +}; + +static const char *eap_types[] = { + [EAP_PACKET] = "EAP-Packet", + [EAPOL_START] = "EAPOL-Start", + [EAPOL_LOGOFF] = "EAPOL-Logoff", + [EAPOL_KEY] = "EAPOL-Key", + [EAPOL_ENCAP_ASF_ALERT] = "EAPOL-Encap-ASF-Alert" +}; + +static inline const char *eap_get_type(int type) +{ + return (type >= ARRAY_SIZE(eap_types)) ? "Unknown" : eap_types[type]; +} + +struct eapol { + u8 snap[6]; + u16 ethertype; + u8 version; + u8 type; + u16 length; +} __attribute__ ((packed)); + +#define IEEE80211_3ADDR_LEN 24 +#define IEEE80211_4ADDR_LEN 30 +#define IEEE80211_FCS_LEN 4 + +#define MIN_FRAG_THRESHOLD 256U +#define MAX_FRAG_THRESHOLD 2346U + +/* Frame control field constants */ +#define IEEE80211_FCTL_VERS 0x0002 +#define IEEE80211_FCTL_FTYPE 0x000c +#define IEEE80211_FCTL_STYPE 0x00f0 +#define IEEE80211_FCTL_TODS 0x0100 +#define IEEE80211_FCTL_FROMDS 0x0200 +#define IEEE80211_FCTL_DSTODS 0x0300 //added by david +#define IEEE80211_FCTL_MOREFRAGS 0x0400 +#define IEEE80211_FCTL_RETRY 0x0800 +#define IEEE80211_FCTL_PM 0x1000 +#define IEEE80211_FCTL_MOREDATA 0x2000 +#define IEEE80211_FCTL_WEP 0x4000 +#define IEEE80211_FCTL_ORDER 0x8000 + +#define IEEE80211_FTYPE_MGMT 0x0000 +#define IEEE80211_FTYPE_CTL 0x0004 +#define IEEE80211_FTYPE_DATA 0x0008 + +/* management */ +#define IEEE80211_STYPE_ASSOC_REQ 0x0000 +#define IEEE80211_STYPE_ASSOC_RESP 0x0010 +#define IEEE80211_STYPE_REASSOC_REQ 0x0020 +#define IEEE80211_STYPE_REASSOC_RESP 0x0030 +#define IEEE80211_STYPE_PROBE_REQ 0x0040 +#define IEEE80211_STYPE_PROBE_RESP 0x0050 +#define IEEE80211_STYPE_BEACON 0x0080 +#define IEEE80211_STYPE_ATIM 0x0090 +#define IEEE80211_STYPE_DISASSOC 0x00A0 +#define IEEE80211_STYPE_AUTH 0x00B0 +#define IEEE80211_STYPE_DEAUTH 0x00C0 +#define IEEE80211_STYPE_MANAGE_ACT 0x00D0 + +/* control */ +#define IEEE80211_STYPE_PSPOLL 0x00A0 +#define IEEE80211_STYPE_RTS 0x00B0 +#define IEEE80211_STYPE_CTS 0x00C0 +#define IEEE80211_STYPE_ACK 0x00D0 +#define IEEE80211_STYPE_CFEND 0x00E0 +#define IEEE80211_STYPE_CFENDACK 0x00F0 + +/* data */ +#define IEEE80211_STYPE_DATA 0x0000 +#define IEEE80211_STYPE_DATA_CFACK 0x0010 +#define IEEE80211_STYPE_DATA_CFPOLL 0x0020 +#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030 +#define IEEE80211_STYPE_NULLFUNC 0x0040 +#define IEEE80211_STYPE_CFACK 0x0050 +#define IEEE80211_STYPE_CFPOLL 0x0060 +#define IEEE80211_STYPE_CFACKPOLL 0x0070 +#define IEEE80211_STYPE_QOS_DATA 0x0080 //added for WMM 2006/8/2 +#define IEEE80211_STYPE_QOS_NULL 0x00C0 + + +#define IEEE80211_SCTL_FRAG 0x000F +#define IEEE80211_SCTL_SEQ 0xFFF0 + + +/* debug macros */ + +#ifdef CONFIG_IEEE80211_DEBUG +extern u32 ieee80211_debug_level; +#define IEEE80211_DEBUG(level, fmt, args...) \ +do { if (ieee80211_debug_level & (level)) \ + printk(KERN_DEBUG "ieee80211: %c %s " fmt, \ + in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0) +#else +#define IEEE80211_DEBUG(level, fmt, args...) do {} while (0) +#endif /* CONFIG_IEEE80211_DEBUG */ + +/* + * To use the debug system; + * + * If you are defining a new debug classification, simply add it to the #define + * list here in the form of: + * + * #define IEEE80211_DL_xxxx VALUE + * + * shifting value to the left one bit from the previous entry. xxxx should be + * the name of the classification (for example, WEP) + * + * You then need to either add a IEEE80211_xxxx_DEBUG() macro definition for your + * classification, or use IEEE80211_DEBUG(IEEE80211_DL_xxxx, ...) whenever you want + * to send output to that classification. + * + * To add your debug level to the list of levels seen when you perform + * + * % cat /proc/net/ipw/debug_level + * + * you simply need to add your entry to the ipw_debug_levels array. + * + * If you do not see debug_level in /proc/net/ipw then you do not have + * CONFIG_IEEE80211_DEBUG defined in your kernel configuration + * + */ + +#define IEEE80211_DL_INFO (1<<0) +#define IEEE80211_DL_WX (1<<1) +#define IEEE80211_DL_SCAN (1<<2) +#define IEEE80211_DL_STATE (1<<3) +#define IEEE80211_DL_MGMT (1<<4) +#define IEEE80211_DL_FRAG (1<<5) +#define IEEE80211_DL_EAP (1<<6) +#define IEEE80211_DL_DROP (1<<7) + +#define IEEE80211_DL_TX (1<<8) +#define IEEE80211_DL_RX (1<<9) + +#define IEEE80211_ERROR(f, a...) printk(KERN_ERR "ieee80211: " f, ## a) +#define IEEE80211_WARNING(f, a...) printk(KERN_WARNING "ieee80211: " f, ## a) +#define IEEE80211_DEBUG_INFO(f, a...) IEEE80211_DEBUG(IEEE80211_DL_INFO, f, ## a) + +#define IEEE80211_DEBUG_WX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_WX, f, ## a) +#define IEEE80211_DEBUG_SCAN(f, a...) IEEE80211_DEBUG(IEEE80211_DL_SCAN, f, ## a) +//#define IEEE_DEBUG_SCAN IEEE80211_WARNING +#define IEEE80211_DEBUG_STATE(f, a...) IEEE80211_DEBUG(IEEE80211_DL_STATE, f, ## a) +#define IEEE80211_DEBUG_MGMT(f, a...) IEEE80211_DEBUG(IEEE80211_DL_MGMT, f, ## a) +#define IEEE80211_DEBUG_FRAG(f, a...) IEEE80211_DEBUG(IEEE80211_DL_FRAG, f, ## a) +#define IEEE80211_DEBUG_EAP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_EAP, f, ## a) +#define IEEE80211_DEBUG_DROP(f, a...) IEEE80211_DEBUG(IEEE80211_DL_DROP, f, ## a) +#define IEEE80211_DEBUG_TX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_TX, f, ## a) +#define IEEE80211_DEBUG_RX(f, a...) IEEE80211_DEBUG(IEEE80211_DL_RX, f, ## a) +#include <linux/netdevice.h> +#include <linux/wireless.h> +#include <linux/if_arp.h> /* ARPHRD_ETHER */ + +#ifndef WIRELESS_SPY +#define WIRELESS_SPY // enable iwspy support +#endif +#include <net/iw_handler.h> // new driver API + +#ifndef ETH_P_PAE +#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */ +#endif /* ETH_P_PAE */ + +#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */ + +#ifndef ETH_P_80211_RAW +#define ETH_P_80211_RAW (ETH_P_ECONET + 1) +#endif + +/* IEEE 802.11 defines */ + +#define P80211_OUI_LEN 3 + +struct ieee80211_snap_hdr { + + u8 dsap; /* always 0xAA */ + u8 ssap; /* always 0xAA */ + u8 ctrl; /* always 0x03 */ + u8 oui[P80211_OUI_LEN]; /* organizational universal id */ + +} __attribute__ ((packed)); + +#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr) + +#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE) +#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE) + +#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG) +#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ) + +/* Authentication algorithms */ +#define WLAN_AUTH_OPEN 0 +#define WLAN_AUTH_SHARED_KEY 1 + +#define WLAN_AUTH_CHALLENGE_LEN 128 + +#define WLAN_CAPABILITY_BSS (1<<0) +#define WLAN_CAPABILITY_IBSS (1<<1) +#define WLAN_CAPABILITY_CF_POLLABLE (1<<2) +#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3) +#define WLAN_CAPABILITY_PRIVACY (1<<4) +#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5) +#define WLAN_CAPABILITY_PBCC (1<<6) +#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7) +#define WLAN_CAPABILITY_SHORT_SLOT (1<<10) + +/* Status codes */ +#define WLAN_STATUS_SUCCESS 0 +#define WLAN_STATUS_UNSPECIFIED_FAILURE 1 +#define WLAN_STATUS_CAPS_UNSUPPORTED 10 +#define WLAN_STATUS_REASSOC_NO_ASSOC 11 +#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12 +#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13 +#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14 +#define WLAN_STATUS_CHALLENGE_FAIL 15 +#define WLAN_STATUS_AUTH_TIMEOUT 16 +#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17 +#define WLAN_STATUS_ASSOC_DENIED_RATES 18 +/* 802.11b */ +#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19 +#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20 +#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21 + +/* Reason codes */ +#define WLAN_REASON_UNSPECIFIED 1 +#define WLAN_REASON_PREV_AUTH_NOT_VALID 2 +#define WLAN_REASON_DEAUTH_LEAVING 3 +#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4 +#define WLAN_REASON_DISASSOC_AP_BUSY 5 +#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6 +#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7 +#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8 +#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9 + + +/* Information Element IDs */ +#define WLAN_EID_SSID 0 +#define WLAN_EID_SUPP_RATES 1 +#define WLAN_EID_FH_PARAMS 2 +#define WLAN_EID_DS_PARAMS 3 +#define WLAN_EID_CF_PARAMS 4 +#define WLAN_EID_TIM 5 +#define WLAN_EID_IBSS_PARAMS 6 +#define WLAN_EID_CHALLENGE 16 +#define WLAN_EID_RSN 48 +#define WLAN_EID_GENERIC 221 + +#define IEEE80211_MGMT_HDR_LEN 24 +#define IEEE80211_DATA_HDR3_LEN 24 +#define IEEE80211_DATA_HDR4_LEN 30 + + +#define IEEE80211_STATMASK_SIGNAL (1<<0) +#define IEEE80211_STATMASK_RSSI (1<<1) +#define IEEE80211_STATMASK_NOISE (1<<2) +#define IEEE80211_STATMASK_RATE (1<<3) +#define IEEE80211_STATMASK_WEMASK 0x7 + + +#define IEEE80211_CCK_MODULATION (1<<0) +#define IEEE80211_OFDM_MODULATION (1<<1) + +#define IEEE80211_24GHZ_BAND (1<<0) +#define IEEE80211_52GHZ_BAND (1<<1) + +#define IEEE80211_CCK_RATE_LEN 4 +#define IEEE80211_CCK_RATE_1MB 0x02 +#define IEEE80211_CCK_RATE_2MB 0x04 +#define IEEE80211_CCK_RATE_5MB 0x0B +#define IEEE80211_CCK_RATE_11MB 0x16 +#define IEEE80211_OFDM_RATE_LEN 8 +#define IEEE80211_OFDM_RATE_6MB 0x0C +#define IEEE80211_OFDM_RATE_9MB 0x12 +#define IEEE80211_OFDM_RATE_12MB 0x18 +#define IEEE80211_OFDM_RATE_18MB 0x24 +#define IEEE80211_OFDM_RATE_24MB 0x30 +#define IEEE80211_OFDM_RATE_36MB 0x48 +#define IEEE80211_OFDM_RATE_48MB 0x60 +#define IEEE80211_OFDM_RATE_54MB 0x6C +#define IEEE80211_BASIC_RATE_MASK 0x80 + +#define IEEE80211_CCK_RATE_1MB_MASK (1<<0) +#define IEEE80211_CCK_RATE_2MB_MASK (1<<1) +#define IEEE80211_CCK_RATE_5MB_MASK (1<<2) +#define IEEE80211_CCK_RATE_11MB_MASK (1<<3) +#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4) +#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5) +#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6) +#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7) +#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8) +#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9) +#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10) +#define IEEE80211_OFDM_RATE_54MB_MASK (1<<11) + +#define IEEE80211_CCK_RATES_MASK 0x0000000F +#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \ + IEEE80211_CCK_RATE_2MB_MASK) +#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \ + IEEE80211_CCK_RATE_5MB_MASK | \ + IEEE80211_CCK_RATE_11MB_MASK) + +#define IEEE80211_OFDM_RATES_MASK 0x00000FF0 +#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \ + IEEE80211_OFDM_RATE_12MB_MASK | \ + IEEE80211_OFDM_RATE_24MB_MASK) +#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \ + IEEE80211_OFDM_RATE_9MB_MASK | \ + IEEE80211_OFDM_RATE_18MB_MASK | \ + IEEE80211_OFDM_RATE_36MB_MASK | \ + IEEE80211_OFDM_RATE_48MB_MASK | \ + IEEE80211_OFDM_RATE_54MB_MASK) +#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \ + IEEE80211_CCK_DEFAULT_RATES_MASK) + +#define IEEE80211_NUM_OFDM_RATES 8 +#define IEEE80211_NUM_CCK_RATES 4 +#define IEEE80211_OFDM_SHIFT_MASK_A 4 + + + + +/* NOTE: This data is for statistical purposes; not all hardware provides this + * information for frames received. Not setting these will not cause + * any adverse affects. */ +struct ieee80211_rx_stats { + u32 mac_time[2]; + u8 signalstrength; + s8 rssi; + u8 signal; + u8 noise; + u16 rate; /* in 100 kbps */ + u8 received_channel; + u8 control; + u8 mask; + u8 freq; + u16 len; + u8 nic_type; +}; + +/* IEEE 802.11 requires that STA supports concurrent reception of at least + * three fragmented frames. This define can be increased to support more + * concurrent frames, but it should be noted that each entry can consume about + * 2 kB of RAM and increasing cache size will slow down frame reassembly. */ +#define IEEE80211_FRAG_CACHE_LEN 4 + +struct ieee80211_frag_entry { + unsigned long first_frag_time; + unsigned int seq; + unsigned int last_frag; + struct sk_buff *skb; + u8 src_addr[ETH_ALEN]; + u8 dst_addr[ETH_ALEN]; +}; + +struct ieee80211_stats { + unsigned int tx_unicast_frames; + unsigned int tx_multicast_frames; + unsigned int tx_fragments; + unsigned int tx_unicast_octets; + unsigned int tx_multicast_octets; + unsigned int tx_deferred_transmissions; + unsigned int tx_single_retry_frames; + unsigned int tx_multiple_retry_frames; + unsigned int tx_retry_limit_exceeded; + unsigned int tx_discards; + unsigned int rx_unicast_frames; + unsigned int rx_multicast_frames; + unsigned int rx_fragments; + unsigned int rx_unicast_octets; + unsigned int rx_multicast_octets; + unsigned int rx_fcs_errors; + unsigned int rx_discards_no_buffer; + unsigned int tx_discards_wrong_sa; + unsigned int rx_discards_undecryptable; + unsigned int rx_message_in_msg_fragments; + unsigned int rx_message_in_bad_msg_fragments; +}; + +struct ieee80211_softmac_stats{ + unsigned int rx_ass_ok; + unsigned int rx_ass_err; + unsigned int rx_probe_rq; + unsigned int tx_probe_rs; + unsigned int tx_beacons; + unsigned int rx_auth_rq; + unsigned int rx_auth_rs_ok; + unsigned int rx_auth_rs_err; + unsigned int tx_auth_rq; + unsigned int no_auth_rs; + unsigned int no_ass_rs; + unsigned int tx_ass_rq; + unsigned int rx_ass_rq; + unsigned int tx_probe_rq; + unsigned int reassoc; + unsigned int swtxstop; + unsigned int swtxawake; +}; + +struct ieee80211_device; + +#include "ieee80211_crypt.h" + +#define SEC_KEY_1 (1<<0) +#define SEC_KEY_2 (1<<1) +#define SEC_KEY_3 (1<<2) +#define SEC_KEY_4 (1<<3) +#define SEC_ACTIVE_KEY (1<<4) +#define SEC_AUTH_MODE (1<<5) +#define SEC_UNICAST_GROUP (1<<6) +#define SEC_LEVEL (1<<7) +#define SEC_ENABLED (1<<8) + +#define SEC_LEVEL_0 0 /* None */ +#define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */ +#define SEC_LEVEL_2 2 /* Level 1 + TKIP */ +#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */ +#define SEC_LEVEL_3 4 /* Level 2 + CCMP */ + +#define WEP_KEYS 4 +#define WEP_KEY_LEN 13 + +#define WEP_KEY_LEN_MODIF 32 + +struct ieee80211_security { + u16 active_key:2, + enabled:1, + auth_mode:2, + auth_algo:4, + unicast_uses_group:1; + u8 key_sizes[WEP_KEYS]; + u8 keys[WEP_KEYS][WEP_KEY_LEN_MODIF]; + u8 level; + u16 flags; +} __attribute__ ((packed)); + + +/* + + 802.11 data frame from AP + + ,-------------------------------------------------------------------. +Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | + |------|------|---------|---------|---------|------|---------|------| +Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs | + | | tion | (BSSID) | | | ence | data | | + `-------------------------------------------------------------------' + +Total: 28-2340 bytes + +*/ + +struct ieee80211_header_data { + u16 frame_ctl; + u16 duration_id; + u8 addr1[6]; + u8 addr2[6]; + u8 addr3[6]; + u16 seq_ctrl; +}; + +#define BEACON_PROBE_SSID_ID_POSITION 12 + +/* Management Frame Information Element Types */ +#define MFIE_TYPE_SSID 0 +#define MFIE_TYPE_RATES 1 +#define MFIE_TYPE_FH_SET 2 +#define MFIE_TYPE_DS_SET 3 +#define MFIE_TYPE_CF_SET 4 +#define MFIE_TYPE_TIM 5 +#define MFIE_TYPE_IBSS_SET 6 +#define MFIE_TYPE_COUNTRY 7 //+YJ,080625 +#define MFIE_TYPE_CHALLENGE 16 +#define MFIE_TYPE_ERP 42 +#define MFIE_TYPE_RSN 48 +#define MFIE_TYPE_RATES_EX 50 +#define MFIE_TYPE_GENERIC 221 + +#ifdef ENABLE_DOT11D +typedef enum +{ + COUNTRY_CODE_FCC = 0, + COUNTRY_CODE_IC = 1, + COUNTRY_CODE_ETSI = 2, + COUNTRY_CODE_SPAIN = 3, + COUNTRY_CODE_FRANCE = 4, + COUNTRY_CODE_MKK = 5, + COUNTRY_CODE_MKK1 = 6, + COUNTRY_CODE_ISRAEL = 7, + COUNTRY_CODE_TELEC = 8, + COUNTRY_CODE_GLOBAL_DOMAIN = 9, + COUNTRY_CODE_WORLD_WIDE_13_INDEX = 10 +}country_code_type_t; +#endif + +struct ieee80211_info_element_hdr { + u8 id; + u8 len; +} __attribute__ ((packed)); + +struct ieee80211_info_element { + u8 id; + u8 len; + u8 data[0]; +} __attribute__ ((packed)); + +/* + * These are the data types that can make up management packets + * + u16 auth_algorithm; + u16 auth_sequence; + u16 beacon_interval; + u16 capability; + u8 current_ap[ETH_ALEN]; + u16 listen_interval; + struct { + u16 association_id:14, reserved:2; + } __attribute__ ((packed)); + u32 time_stamp[2]; + u16 reason; + u16 status; +*/ + +#define IEEE80211_DEFAULT_TX_ESSID "Penguin" +#define IEEE80211_DEFAULT_BASIC_RATE 10 + +struct ieee80211_authentication { + struct ieee80211_header_data header; + u16 algorithm; + u16 transaction; + u16 status; + //struct ieee80211_info_element_hdr info_element; +} __attribute__ ((packed)); + + +struct ieee80211_probe_response { + struct ieee80211_header_data header; + u32 time_stamp[2]; + u16 beacon_interval; + u16 capability; + struct ieee80211_info_element info_element; +} __attribute__ ((packed)); + +struct ieee80211_probe_request { + struct ieee80211_header_data header; + /*struct ieee80211_info_element info_element;*/ +} __attribute__ ((packed)); + +struct ieee80211_assoc_request_frame { + struct ieee80211_hdr_3addr header; + u16 capability; + u16 listen_interval; + //u8 current_ap[ETH_ALEN]; + struct ieee80211_info_element_hdr info_element; +} __attribute__ ((packed)); + +struct ieee80211_assoc_response_frame { + struct ieee80211_hdr_3addr header; + u16 capability; + u16 status; + u16 aid; + struct ieee80211_info_element info_element; /* supported rates */ +} __attribute__ ((packed)); + +struct ieee80211_disassoc_frame{ + struct ieee80211_hdr_3addr header; + u16 reasoncode; +}__attribute__ ((packed)); + +struct ieee80211_txb { + u8 nr_frags; + u8 encrypted; + u16 reserved; + u16 frag_size; + u16 payload_size; + struct sk_buff *fragments[0]; +}; + +struct ieee80211_wmm_ac_param { + u8 ac_aci_acm_aifsn; + u8 ac_ecwmin_ecwmax; + u16 ac_txop_limit; +}; + +struct ieee80211_wmm_ts_info { + u8 ac_dir_tid; + u8 ac_up_psb; + u8 reserved; +} __attribute__ ((packed)); + +struct ieee80211_wmm_tspec_elem { + struct ieee80211_wmm_ts_info ts_info; + u16 norm_msdu_size; + u16 max_msdu_size; + u32 min_serv_inter; + u32 max_serv_inter; + u32 inact_inter; + u32 suspen_inter; + u32 serv_start_time; + u32 min_data_rate; + u32 mean_data_rate; + u32 peak_data_rate; + u32 max_burst_size; + u32 delay_bound; + u32 min_phy_rate; + u16 surp_band_allow; + u16 medium_time; +}__attribute__((packed)); + +enum {WMM_all_frame, WMM_two_frame, WMM_four_frame, WMM_six_frame}; +#define MAX_SP_Len (WMM_all_frame << 4) +#define IEEE80211_QOS_TID 0x0f +#define QOS_CTL_NOTCONTAIN_ACK (0x01 << 5) + +/* SWEEP TABLE ENTRIES NUMBER*/ +#define MAX_SWEEP_TAB_ENTRIES 42 +#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7 +/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs + * only use 8, and then use extended rates for the remaining supported + * rates. Other APs, however, stick all of their supported rates on the + * main rates information element... */ +#define MAX_RATES_LENGTH ((u8)12) +#define MAX_RATES_EX_LENGTH ((u8)16) +#define MAX_NETWORK_COUNT 128 +//#define MAX_CHANNEL_NUMBER 161 +#define MAX_CHANNEL_NUMBER 165 //YJ,modified,080625 +#define MAX_IE_LEN 0xFF //+YJ,080625 + +typedef struct _CHANNEL_LIST{ + u8 Channel[MAX_CHANNEL_NUMBER + 1]; + u8 Len; +}CHANNEL_LIST, *PCHANNEL_LIST; + +#define IEEE80211_SOFTMAC_SCAN_TIME 100//400 +//(HZ / 2) +//by amy for ps +#define IEEE80211_WATCH_DOG_TIME 2000 +//by amy for ps +//by amy for antenna +#define ANTENNA_DIVERSITY_TIMER_PERIOD 1000 // 1000 m +//by amy for antenna +#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2) + +#define CRC_LENGTH 4U + +#define MAX_WPA_IE_LEN 64 + +#define NETWORK_EMPTY_ESSID (1<<0) +#define NETWORK_HAS_OFDM (1<<1) +#define NETWORK_HAS_CCK (1<<2) + +#define IEEE80211_DTIM_MBCAST 4 +#define IEEE80211_DTIM_UCAST 2 +#define IEEE80211_DTIM_VALID 1 +#define IEEE80211_DTIM_INVALID 0 + +#define IEEE80211_PS_DISABLED 0 +#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST +#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST +#define IEEE80211_PS_ENABLE IEEE80211_DTIM_VALID +//added by David for QoS 2006/6/30 +//#define WMM_Hang_8187 +#ifdef WMM_Hang_8187 +#undef WMM_Hang_8187 +#endif + +#define WME_AC_BE 0x00 +#define WME_AC_BK 0x01 +#define WME_AC_VI 0x02 +#define WME_AC_VO 0x03 +#define WME_ACI_MASK 0x03 +#define WME_AIFSN_MASK 0x03 +#define WME_AC_PRAM_LEN 16 + +//UP Mapping to AC, using in MgntQuery_SequenceNumber() and maybe for DSCP +//#define UP2AC(up) ((up<3) ? ((up==0)?1:0) : (up>>1)) +#define UP2AC(up) ( \ + ((up) < 1) ? WME_AC_BE : \ + ((up) < 3) ? WME_AC_BK : \ + ((up) < 4) ? WME_AC_BE : \ + ((up) < 6) ? WME_AC_VI : \ + WME_AC_VO) +//AC Mapping to UP, using in Tx part for selecting the corresponding TX queue +#define AC2UP(_ac) ( \ + ((_ac) == WME_AC_VO) ? 6 : \ + ((_ac) == WME_AC_VI) ? 5 : \ + ((_ac) == WME_AC_BK) ? 1 : \ + 0) + +#define ETHER_ADDR_LEN 6 /* length of an Ethernet address */ +struct ether_header { + u8 ether_dhost[ETHER_ADDR_LEN]; + u8 ether_shost[ETHER_ADDR_LEN]; + u16 ether_type; +} __attribute__((packed)); + +#ifndef ETHERTYPE_PAE +#define ETHERTYPE_PAE 0x888e /* EAPOL PAE/802.1x */ +#endif +#ifndef ETHERTYPE_IP +#define ETHERTYPE_IP 0x0800 /* IP protocol */ +#endif + +struct ieee80211_network { + /* These entries are used to identify a unique network */ + u8 bssid[ETH_ALEN]; + u8 channel; + /* Ensure null-terminated for any debug msgs */ + u8 ssid[IW_ESSID_MAX_SIZE + 1]; + u8 ssid_len; + + /* These are network statistics */ + struct ieee80211_rx_stats stats; + u16 capability; + u8 rates[MAX_RATES_LENGTH]; + u8 rates_len; + u8 rates_ex[MAX_RATES_EX_LENGTH]; + u8 rates_ex_len; + unsigned long last_scanned; + u8 mode; + u8 flags; + u32 last_associate; + u32 time_stamp[2]; + u16 beacon_interval; + u16 listen_interval; + u16 atim_window; + u8 wpa_ie[MAX_WPA_IE_LEN]; + size_t wpa_ie_len; + u8 rsn_ie[MAX_WPA_IE_LEN]; + size_t rsn_ie_len; + u8 dtim_period; + u8 dtim_data; + u32 last_dtim_sta_time[2]; + struct list_head list; + //appeded for QoS + u8 wmm_info; + struct ieee80211_wmm_ac_param wmm_param[4]; + u8 QoS_Enable; + u8 SignalStrength; +//by amy 080312 + u8 HighestOperaRate; +//by amy 080312 +#ifdef THOMAS_TURBO + u8 Turbo_Enable;//enable turbo mode, added by thomas +#endif +#ifdef ENABLE_DOT11D + u16 CountryIeLen; + u8 CountryIeBuf[MAX_IE_LEN]; +#endif +}; + +enum ieee80211_state { + + /* the card is not linked at all */ + IEEE80211_NOLINK = 0, + + /* IEEE80211_ASSOCIATING* are for BSS client mode + * the driver shall not perform RX filtering unless + * the state is LINKED. + * The driver shall just check for the state LINKED and + * defaults to NOLINK for ALL the other states (including + * LINKED_SCANNING) + */ + + /* the association procedure will start (wq scheduling)*/ + IEEE80211_ASSOCIATING, + IEEE80211_ASSOCIATING_RETRY, + + /* the association procedure is sending AUTH request*/ + IEEE80211_ASSOCIATING_AUTHENTICATING, + + /* the association procedure has successfully authentcated + * and is sending association request + */ + IEEE80211_ASSOCIATING_AUTHENTICATED, + + /* the link is ok. the card associated to a BSS or linked + * to a ibss cell or acting as an AP and creating the bss + */ + IEEE80211_LINKED, + + /* same as LINKED, but the driver shall apply RX filter + * rules as we are in NO_LINK mode. As the card is still + * logically linked, but it is doing a syncro site survey + * then it will be back to LINKED state. + */ + IEEE80211_LINKED_SCANNING, + +}; + +#define DEFAULT_MAX_SCAN_AGE (15 * HZ) +#define DEFAULT_FTS 2346 +#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x" +#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5] + + +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,11)) +extern inline int is_multicast_ether_addr(const u8 *addr) +{ + return ((addr[0] != 0xff) && (0x01 & addr[0])); +} +#endif + +#if (LINUX_VERSION_CODE <= KERNEL_VERSION(2,6,13)) +extern inline int is_broadcast_ether_addr(const u8 *addr) +{ + return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) && \ + (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff)); +} +#endif + +#define CFG_IEEE80211_RESERVE_FCS (1<<0) +#define CFG_IEEE80211_COMPUTE_FCS (1<<1) + +typedef struct tx_pending_t{ + int frag; + struct ieee80211_txb *txb; +}tx_pending_t; + + +struct ieee80211_device { + struct net_device *dev; + + /* Bookkeeping structures */ + struct net_device_stats stats; + struct ieee80211_stats ieee_stats; + struct ieee80211_softmac_stats softmac_stats; + + /* Probe / Beacon management */ + struct list_head network_free_list; + struct list_head network_list; + struct ieee80211_network *networks; + int scans; + int scan_age; + + int iw_mode; /* operating mode (IW_MODE_*) */ + + spinlock_t lock; + spinlock_t wpax_suitlist_lock; + + int tx_headroom; /* Set to size of any additional room needed at front + * of allocated Tx SKBs */ + u32 config; + + /* WEP and other encryption related settings at the device level */ + int open_wep; /* Set to 1 to allow unencrypted frames */ + + int reset_on_keychange; /* Set to 1 if the HW needs to be reset on + * WEP key changes */ + + /* If the host performs {en,de}cryption, then set to 1 */ + int host_encrypt; + int host_decrypt; + int ieee802_1x; /* is IEEE 802.1X used */ + + /* WPA data */ + int wpa_enabled; + int drop_unencrypted; + int tkip_countermeasures; + int privacy_invoked; + size_t wpa_ie_len; + u8 *wpa_ie; + + u8 ap_mac_addr[6]; + u16 pairwise_key_type; + u16 broadcast_key_type; + + struct list_head crypt_deinit_list; + struct ieee80211_crypt_data *crypt[WEP_KEYS]; + int tx_keyidx; /* default TX key index (crypt[tx_keyidx]) */ + struct timer_list crypt_deinit_timer; + + int bcrx_sta_key; /* use individual keys to override default keys even + * with RX of broad/multicast frames */ + + /* Fragmentation structures */ + // each streaming contain a entry + struct ieee80211_frag_entry frag_cache[17][IEEE80211_FRAG_CACHE_LEN]; + unsigned int frag_next_idx[17]; + u16 fts; /* Fragmentation Threshold */ + + /* This stores infos for the current network. + * Either the network we are associated in INFRASTRUCTURE + * or the network that we are creating in MASTER mode. + * ad-hoc is a mixture ;-). + * Note that in infrastructure mode, even when not associated, + * fields bssid and essid may be valid (if wpa_set and essid_set + * are true) as thy carry the value set by the user via iwconfig + */ + struct ieee80211_network current_network; + + + enum ieee80211_state state; + + int short_slot; + int mode; /* A, B, G */ + int modulation; /* CCK, OFDM */ + int freq_band; /* 2.4Ghz, 5.2Ghz, Mixed */ + int abg_true; /* ABG flag */ + + /* used for forcing the ibss workqueue to terminate + * without wait for the syncro scan to terminate + */ + short sync_scan_hurryup; + +#ifdef ENABLE_DOT11D + void * pDot11dInfo; + bool bGlobalDomain; + + // For Liteon Ch12~13 passive scan + u8 MinPassiveChnlNum; + u8 IbssStartChnl; +#else + /* map of allowed channels. 0 is dummy */ + // FIXME: remeber to default to a basic channel plan depending of the PHY type + int channel_map[MAX_CHANNEL_NUMBER+1]; +#endif + + int rate; /* current rate */ + int basic_rate; + //FIXME: pleace callback, see if redundant with softmac_features + short active_scan; + + /* this contains flags for selectively enable softmac support */ + u16 softmac_features; + + /* if the sequence control field is not filled by HW */ + u16 seq_ctrl[5]; + + /* association procedure transaction sequence number */ + u16 associate_seq; + + /* AID for RTXed association responses */ + u16 assoc_id; + + /* power save mode related*/ + short ps; + short sta_sleep; + int ps_timeout; + struct tasklet_struct ps_task; + u32 ps_th; + u32 ps_tl; + + short raw_tx; + /* used if IEEE_SOFTMAC_TX_QUEUE is set */ + short queue_stop; + short scanning; + short proto_started; + + struct semaphore wx_sem; + struct semaphore scan_sem; + + spinlock_t mgmt_tx_lock; + spinlock_t beacon_lock; + + short beacon_txing; + + short wap_set; + short ssid_set; + + u8 wpax_type_set; //{added by David, 2006.9.28} + u32 wpax_type_notify; //{added by David, 2006.9.26} + + /* QoS related flag */ + char init_wmmparam_flag; + + /* for discarding duplicated packets in IBSS */ + struct list_head ibss_mac_hash[IEEE_IBSS_MAC_HASH_SIZE]; + + /* for discarding duplicated packets in BSS */ + u16 last_rxseq_num[17]; /* rx seq previous per-tid */ + u16 last_rxfrag_num[17];/* tx frag previous per-tid */ + unsigned long last_packet_time[17]; + + /* for PS mode */ + unsigned long last_rx_ps_time; + + /* used if IEEE_SOFTMAC_SINGLE_QUEUE is set */ + struct sk_buff *mgmt_queue_ring[MGMT_QUEUE_NUM]; + int mgmt_queue_head; + int mgmt_queue_tail; + + + /* used if IEEE_SOFTMAC_TX_QUEUE is set */ + struct tx_pending_t tx_pending; + + /* used if IEEE_SOFTMAC_ASSOCIATE is set */ + struct timer_list associate_timer; + + /* used if IEEE_SOFTMAC_BEACONS is set */ + struct timer_list beacon_timer; + + struct work_struct associate_complete_wq; +// struct work_struct associate_retry_wq; + struct work_struct associate_procedure_wq; +// struct work_struct softmac_scan_wq; + struct work_struct wx_sync_scan_wq; + struct work_struct wmm_param_update_wq; + struct work_struct ps_request_tx_ack_wq;//for ps +// struct work_struct hw_wakeup_wq; +// struct work_struct hw_sleep_wq; +// struct work_struct watch_dog_wq; + bool bInactivePs; + bool actscanning; + bool beinretry; + u16 ListenInterval; + unsigned long NumRxDataInPeriod; //YJ,add,080828 + unsigned long NumRxBcnInPeriod; //YJ,add,080828 + unsigned long NumRxOkTotal; + unsigned long NumRxUnicast;//YJ,add,080828,for keep alive + bool bHwRadioOff; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) + struct delayed_work softmac_scan_wq; + struct delayed_work associate_retry_wq; + struct delayed_work hw_wakeup_wq; + struct delayed_work hw_sleep_wq;//+by amy 080324 + struct delayed_work watch_dog_wq; + struct delayed_work sw_antenna_wq; + struct delayed_work start_ibss_wq; +//by amy for rate adaptive 080312 + struct delayed_work rate_adapter_wq; +//by amy for rate adaptive + struct delayed_work hw_dig_wq; + struct delayed_work tx_pw_wq; + +//Added for RF power on power off by lizhaoming 080512 + struct delayed_work GPIOChangeRFWorkItem; +#else + + struct work_struct start_ibss_wq; + struct work_struct softmac_scan_wq; + struct work_struct associate_retry_wq; + struct work_struct hw_wakeup_wq; + struct work_struct hw_sleep_wq; + struct work_struct watch_dog_wq; + struct work_struct sw_antenna_wq; +//by amy for rate adaptive 080312 + struct work_struct rate_adapter_wq; +//by amy for rate adaptive + struct work_struct hw_dig_wq; + struct work_struct tx_pw_wq; + +//Added for RF power on power off by lizhaoming 080512 + struct work_struct GPIOChangeRFWorkItem; +#endif + struct workqueue_struct *wq; + + /* Callback functions */ + void (*set_security)(struct net_device *dev, + struct ieee80211_security *sec); + + /* Used to TX data frame by using txb structs. + * this is not used if in the softmac_features + * is set the flag IEEE_SOFTMAC_TX_QUEUE + */ + int (*hard_start_xmit)(struct ieee80211_txb *txb, + struct net_device *dev); + + int (*reset_port)(struct net_device *dev); + + /* Softmac-generated frames (mamagement) are TXed via this + * callback if the flag IEEE_SOFTMAC_SINGLE_QUEUE is + * not set. As some cards may have different HW queues that + * one might want to use for data and management frames + * the option to have two callbacks might be useful. + * This fucntion can't sleep. + */ + int (*softmac_hard_start_xmit)(struct sk_buff *skb, + struct net_device *dev); + + /* used instead of hard_start_xmit (not softmac_hard_start_xmit) + * if the IEEE_SOFTMAC_TX_QUEUE feature is used to TX data + * frames. I the option IEEE_SOFTMAC_SINGLE_QUEUE is also set + * then also management frames are sent via this callback. + * This function can't sleep. + */ + void (*softmac_data_hard_start_xmit)(struct sk_buff *skb, + struct net_device *dev,int rate); + + /* stops the HW queue for DATA frames. Useful to avoid + * waste time to TX data frame when we are reassociating + * This function can sleep. + */ + void (*data_hard_stop)(struct net_device *dev); + + /* OK this is complementar to data_poll_hard_stop */ + void (*data_hard_resume)(struct net_device *dev); + + /* ask to the driver to retune the radio . + * This function can sleep. the driver should ensure + * the radio has been swithced before return. + */ + void (*set_chan)(struct net_device *dev,short ch); + + /* These are not used if the ieee stack takes care of + * scanning (IEEE_SOFTMAC_SCAN feature set). + * In this case only the set_chan is used. + * + * The syncro version is similar to the start_scan but + * does not return until all channels has been scanned. + * this is called in user context and should sleep, + * it is called in a work_queue when swithcing to ad-hoc mode + * or in behalf of iwlist scan when the card is associated + * and root user ask for a scan. + * the fucntion stop_scan should stop both the syncro and + * background scanning and can sleep. + * The fucntion start_scan should initiate the background + * scanning and can't sleep. + */ + void (*scan_syncro)(struct net_device *dev); + void (*start_scan)(struct net_device *dev); + void (*stop_scan)(struct net_device *dev); + + /* indicate the driver that the link state is changed + * for example it may indicate the card is associated now. + * Driver might be interested in this to apply RX filter + * rules or simply light the LINK led + */ + void (*link_change)(struct net_device *dev); + + /* these two function indicates to the HW when to start + * and stop to send beacons. This is used when the + * IEEE_SOFTMAC_BEACONS is not set. For now the + * stop_send_bacons is NOT guaranteed to be called only + * after start_send_beacons. + */ + void (*start_send_beacons) (struct net_device *dev); + void (*stop_send_beacons) (struct net_device *dev); + + /* power save mode related */ + void (*sta_wake_up) (struct net_device *dev); + void (*ps_request_tx_ack) (struct net_device *dev); + void (*enter_sleep_state) (struct net_device *dev, u32 th, u32 tl); + short (*ps_is_queue_empty) (struct net_device *dev); + + /* QoS related */ + //void (*wmm_param_update) (struct net_device *dev, u8 *ac_param); + //void (*wmm_param_update) (struct ieee80211_device *ieee); + + /* This must be the last item so that it points to the data + * allocated beyond this structure by alloc_ieee80211 */ + u8 priv[0]; +}; + +#define IEEE_A (1<<0) +#define IEEE_B (1<<1) +#define IEEE_G (1<<2) +#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G) + +/* Generate a 802.11 header */ + +/* Uses the channel change callback directly + * instead of [start/stop] scan callbacks + */ +#define IEEE_SOFTMAC_SCAN (1<<2) + +/* Perform authentication and association handshake */ +#define IEEE_SOFTMAC_ASSOCIATE (1<<3) + +/* Generate probe requests */ +#define IEEE_SOFTMAC_PROBERQ (1<<4) + +/* Generate respones to probe requests */ +#define IEEE_SOFTMAC_PROBERS (1<<5) + +/* The ieee802.11 stack will manages the netif queue + * wake/stop for the driver, taking care of 802.11 + * fragmentation. See softmac.c for details. */ +#define IEEE_SOFTMAC_TX_QUEUE (1<<7) + +/* Uses only the softmac_data_hard_start_xmit + * even for TX management frames. + */ +#define IEEE_SOFTMAC_SINGLE_QUEUE (1<<8) + +/* Generate beacons. The stack will enqueue beacons + * to the card + */ +#define IEEE_SOFTMAC_BEACONS (1<<6) + + + +static inline void *ieee80211_priv(struct net_device *dev) +{ + return ((struct ieee80211_device *)netdev_priv(dev))->priv; +} + +extern inline int ieee80211_is_empty_essid(const char *essid, int essid_len) +{ + /* Single white space is for Linksys APs */ + if (essid_len == 1 && essid[0] == ' ') + return 1; + + /* Otherwise, if the entire essid is 0, we assume it is hidden */ + while (essid_len) { + essid_len--; + if (essid[essid_len] != '\0') + return 0; + } + + return 1; +} + +extern inline int ieee80211_is_valid_mode(struct ieee80211_device *ieee, int mode) +{ + /* + * It is possible for both access points and our device to support + * combinations of modes, so as long as there is one valid combination + * of ap/device supported modes, then return success + * + */ + if ((mode & IEEE_A) && + (ieee->modulation & IEEE80211_OFDM_MODULATION) && + (ieee->freq_band & IEEE80211_52GHZ_BAND)) + return 1; + + if ((mode & IEEE_G) && + (ieee->modulation & IEEE80211_OFDM_MODULATION) && + (ieee->freq_band & IEEE80211_24GHZ_BAND)) + return 1; + + if ((mode & IEEE_B) && + (ieee->modulation & IEEE80211_CCK_MODULATION) && + (ieee->freq_band & IEEE80211_24GHZ_BAND)) + return 1; + + return 0; +} + +extern inline int ieee80211_get_hdrlen(u16 fc) +{ + int hdrlen = 24; + + switch (WLAN_FC_GET_TYPE(fc)) { + case IEEE80211_FTYPE_DATA: + if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS)) + hdrlen = 30; /* Addr4 */ + if(IEEE80211_QOS_HAS_SEQ(fc)) + hdrlen += 2; /* QOS ctrl*/ + break; + case IEEE80211_FTYPE_CTL: + switch (WLAN_FC_GET_STYPE(fc)) { + case IEEE80211_STYPE_CTS: + case IEEE80211_STYPE_ACK: + hdrlen = 10; + break; + default: + hdrlen = 16; + break; + } + break; + } + + return hdrlen; +} + + + +/* ieee80211.c */ +extern void free_ieee80211(struct net_device *dev); +extern struct net_device *alloc_ieee80211(int sizeof_priv); + +extern int ieee80211_set_encryption(struct ieee80211_device *ieee); + +/* ieee80211_tx.c */ + +extern int ieee80211_encrypt_fragment( + struct ieee80211_device *ieee, + struct sk_buff *frag, + int hdr_len); + +extern int ieee80211_xmit(struct sk_buff *skb, + struct net_device *dev); +extern void ieee80211_txb_free(struct ieee80211_txb *); + + +/* ieee80211_rx.c */ +extern int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, + struct ieee80211_rx_stats *rx_stats); +extern void ieee80211_rx_mgt(struct ieee80211_device *ieee, + struct ieee80211_hdr *header, + struct ieee80211_rx_stats *stats); + +/* ieee80211_wx.c */ +extern int ieee80211_wx_get_scan(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *key); +extern int ieee80211_wx_set_encode(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *key); +extern int ieee80211_wx_get_encode(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *key); +extern int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data* wrqu, char *extra); +int ieee80211_wx_set_auth(struct ieee80211_device *ieee, + struct iw_request_info *info, + struct iw_param *data, char *extra); +int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); + +int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len); +/* ieee80211_softmac.c */ +extern short ieee80211_is_54g(struct ieee80211_network net); +extern short ieee80211_is_shortslot(struct ieee80211_network net); +extern int ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb, + struct ieee80211_rx_stats *rx_stats, u16 type, + u16 stype); +extern void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net); + +extern void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee); +extern void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee); +extern void ieee80211_start_bss(struct ieee80211_device *ieee); +extern void ieee80211_start_master_bss(struct ieee80211_device *ieee); +extern void ieee80211_start_ibss(struct ieee80211_device *ieee); +extern void ieee80211_softmac_init(struct ieee80211_device *ieee); +extern void ieee80211_softmac_free(struct ieee80211_device *ieee); +extern void ieee80211_associate_abort(struct ieee80211_device *ieee); +extern void ieee80211_disassociate(struct ieee80211_device *ieee); +extern void ieee80211_stop_scan(struct ieee80211_device *ieee); +extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee); +extern void ieee80211_check_all_nets(struct ieee80211_device *ieee); +extern void ieee80211_start_protocol(struct ieee80211_device *ieee); +extern void ieee80211_stop_protocol(struct ieee80211_device *ieee); +extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee); +extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee); +extern void ieee80211_reset_queue(struct ieee80211_device *ieee); +extern void ieee80211_wake_queue(struct ieee80211_device *ieee); +extern void ieee80211_stop_queue(struct ieee80211_device *ieee); +extern struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee); +extern void ieee80211_start_send_beacons(struct ieee80211_device *ieee); +extern void ieee80211_stop_send_beacons(struct ieee80211_device *ieee); +extern int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p); +extern void notify_wx_assoc_event(struct ieee80211_device *ieee); +extern void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success); +extern void SendDisassociation(struct ieee80211_device *ieee,u8* asSta,u8 asRsn); +extern void ieee80211_start_scan(struct ieee80211_device *ieee); + +//Add for RF power on power off by lizhaoming 080512 +extern void SendDisassociation(struct ieee80211_device *ieee, + u8* asSta, + u8 asRsn); + +/* ieee80211_crypt_ccmp&tkip&wep.c */ +extern void ieee80211_tkip_null(void); +extern void ieee80211_wep_null(void); +extern void ieee80211_ccmp_null(void); +/* ieee80211_softmac_wx.c */ + +extern int ieee80211_wx_get_wap(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *ext); + +extern int ieee80211_wx_set_wap(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *awrq, + char *extra); + +extern int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b); + +extern int ieee80211_wx_set_rate(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); + +extern int ieee80211_wx_get_rate(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); + +extern int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b); + +extern int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b); + +extern int ieee80211_wx_set_essid(struct ieee80211_device *ieee, + struct iw_request_info *a, + union iwreq_data *wrqu, char *extra); + +extern int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b); + +extern int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b); + +extern int ieee80211_wx_get_freq(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b); +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +extern void ieee80211_wx_sync_scan_wq(struct work_struct *work); +#else + extern void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee); +#endif +//extern void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee); + +extern int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); + +extern int ieee80211_wx_get_name(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); + +extern int ieee80211_wx_set_power(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); + +extern int ieee80211_wx_get_power(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra); + +extern void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee); + +extern void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr); + +extern const long ieee80211_wlan_frequencies[]; + +extern inline void ieee80211_increment_scans(struct ieee80211_device *ieee) +{ + ieee->scans++; +} + +extern inline int ieee80211_get_scans(struct ieee80211_device *ieee) +{ + return ieee->scans; +} + +static inline const char *escape_essid(const char *essid, u8 essid_len) { + static char escaped[IW_ESSID_MAX_SIZE * 2 + 1]; + const char *s = essid; + char *d = escaped; + + if (ieee80211_is_empty_essid(essid, essid_len)) { + memcpy(escaped, "<hidden>", sizeof("<hidden>")); + return escaped; + } + + essid_len = min(essid_len, (u8)IW_ESSID_MAX_SIZE); + while (essid_len--) { + if (*s == '\0') { + *d++ = '\\'; + *d++ = '0'; + s++; + } else { + *d++ = *s++; + } + } + *d = '\0'; + return escaped; +} +#endif /* IEEE80211_H */ diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c new file mode 100644 index 00000000000..af64cfbe16d --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.c @@ -0,0 +1,265 @@ +/* + * Host AP crypto routines + * + * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + * Portions Copyright (C) 2004, Intel Corporation <jketreno@linux.intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + * + */ + +//#include <linux/config.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <asm/string.h> +#include <asm/errno.h> + +#if (LINUX_VERSION_CODE<KERNEL_VERSION(2,6,18)) +#include<linux/config.h> +#endif + +#include "ieee80211.h" + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("HostAP crypto"); +MODULE_LICENSE("GPL"); + +struct ieee80211_crypto_alg { + struct list_head list; + struct ieee80211_crypto_ops *ops; +}; + + +struct ieee80211_crypto { + struct list_head algs; + spinlock_t lock; +}; + +static struct ieee80211_crypto *hcrypt; + +void ieee80211_crypt_deinit_entries(struct ieee80211_device *ieee, + int force) +{ + struct list_head *ptr, *n; + struct ieee80211_crypt_data *entry; + + for (ptr = ieee->crypt_deinit_list.next, n = ptr->next; + ptr != &ieee->crypt_deinit_list; ptr = n, n = ptr->next) { + entry = list_entry(ptr, struct ieee80211_crypt_data, list); + + if (atomic_read(&entry->refcnt) != 0 && !force) + continue; + + list_del(ptr); + + if (entry->ops) { + entry->ops->deinit(entry->priv); + module_put(entry->ops->owner); + } + kfree(entry); + } +} + +void ieee80211_crypt_deinit_handler(unsigned long data) +{ + struct ieee80211_device *ieee = (struct ieee80211_device *)data; + unsigned long flags; + + spin_lock_irqsave(&ieee->lock, flags); + ieee80211_crypt_deinit_entries(ieee, 0); + if (!list_empty(&ieee->crypt_deinit_list)) { + printk(KERN_DEBUG "%s: entries remaining in delayed crypt " + "deletion list\n", ieee->dev->name); + ieee->crypt_deinit_timer.expires = jiffies + HZ; + add_timer(&ieee->crypt_deinit_timer); + } + spin_unlock_irqrestore(&ieee->lock, flags); + +} + +void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee, + struct ieee80211_crypt_data **crypt) +{ + struct ieee80211_crypt_data *tmp; + unsigned long flags; + + if (*crypt == NULL) + return; + + tmp = *crypt; + *crypt = NULL; + + /* must not run ops->deinit() while there may be pending encrypt or + * decrypt operations. Use a list of delayed deinits to avoid needing + * locking. */ + + spin_lock_irqsave(&ieee->lock, flags); + list_add(&tmp->list, &ieee->crypt_deinit_list); + if (!timer_pending(&ieee->crypt_deinit_timer)) { + ieee->crypt_deinit_timer.expires = jiffies + HZ; + add_timer(&ieee->crypt_deinit_timer); + } + spin_unlock_irqrestore(&ieee->lock, flags); +} + +int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops) +{ + unsigned long flags; + struct ieee80211_crypto_alg *alg; + + if (hcrypt == NULL) + return -1; + + alg = kmalloc(sizeof(*alg), GFP_KERNEL); + if (alg == NULL) + return -ENOMEM; + + memset(alg, 0, sizeof(*alg)); + alg->ops = ops; + + spin_lock_irqsave(&hcrypt->lock, flags); + list_add(&alg->list, &hcrypt->algs); + spin_unlock_irqrestore(&hcrypt->lock, flags); + + printk(KERN_DEBUG "ieee80211_crypt: registered algorithm '%s'\n", + ops->name); + + return 0; +} + +int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops) +{ + unsigned long flags; + struct list_head *ptr; + struct ieee80211_crypto_alg *del_alg = NULL; + + if (hcrypt == NULL) + return -1; + + spin_lock_irqsave(&hcrypt->lock, flags); + for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) { + struct ieee80211_crypto_alg *alg = + (struct ieee80211_crypto_alg *) ptr; + if (alg->ops == ops) { + list_del(&alg->list); + del_alg = alg; + break; + } + } + spin_unlock_irqrestore(&hcrypt->lock, flags); + + if (del_alg) { + printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm " + "'%s'\n", ops->name); + kfree(del_alg); + } + + return del_alg ? 0 : -1; +} + + +struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name) +{ + unsigned long flags; + struct list_head *ptr; + struct ieee80211_crypto_alg *found_alg = NULL; + + if (hcrypt == NULL) + return NULL; + + spin_lock_irqsave(&hcrypt->lock, flags); + for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) { + struct ieee80211_crypto_alg *alg = + (struct ieee80211_crypto_alg *) ptr; + if (strcmp(alg->ops->name, name) == 0) { + found_alg = alg; + break; + } + } + spin_unlock_irqrestore(&hcrypt->lock, flags); + + if (found_alg) + return found_alg->ops; + else + return NULL; +} + + +static void * ieee80211_crypt_null_init(int keyidx) { return (void *) 1; } +static void ieee80211_crypt_null_deinit(void *priv) {} + +static struct ieee80211_crypto_ops ieee80211_crypt_null = { + .name = "NULL", + .init = ieee80211_crypt_null_init, + .deinit = ieee80211_crypt_null_deinit, + .encrypt_mpdu = NULL, + .decrypt_mpdu = NULL, + .encrypt_msdu = NULL, + .decrypt_msdu = NULL, + .set_key = NULL, + .get_key = NULL, + .extra_prefix_len = 0, + .extra_postfix_len = 0, + .owner = THIS_MODULE, +}; + + +int ieee80211_crypto_init(void) +{ + int ret = -ENOMEM; + + hcrypt = kmalloc(sizeof(*hcrypt), GFP_KERNEL); + if (!hcrypt) + goto out; + + memset(hcrypt, 0, sizeof(*hcrypt)); + INIT_LIST_HEAD(&hcrypt->algs); + spin_lock_init(&hcrypt->lock); + + ret = ieee80211_register_crypto_ops(&ieee80211_crypt_null); + if (ret < 0) { + kfree(hcrypt); + hcrypt = NULL; + } +out: + return ret; +} + + +void ieee80211_crypto_deinit(void) +{ + struct list_head *ptr, *n; + + if (hcrypt == NULL) + return; + + for (ptr = hcrypt->algs.next, n = ptr->next; ptr != &hcrypt->algs; + ptr = n, n = ptr->next) { + struct ieee80211_crypto_alg *alg = + (struct ieee80211_crypto_alg *) ptr; + list_del(ptr); + printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm " + "'%s' (deinit)\n", alg->ops->name); + kfree(alg); + } + + kfree(hcrypt); +} + +#if 0 +EXPORT_SYMBOL(ieee80211_crypt_deinit_entries); +EXPORT_SYMBOL(ieee80211_crypt_deinit_handler); +EXPORT_SYMBOL(ieee80211_crypt_delayed_deinit); + +EXPORT_SYMBOL(ieee80211_register_crypto_ops); +EXPORT_SYMBOL(ieee80211_unregister_crypto_ops); +EXPORT_SYMBOL(ieee80211_get_crypto_ops); +#endif + +//module_init(ieee80211_crypto_init); +//module_exit(ieee80211_crypto_deinit); diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.h b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.h new file mode 100644 index 00000000000..b58a3bcc0dc --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt.h @@ -0,0 +1,86 @@ +/* + * Original code based on Host AP (software wireless LAN access point) driver + * for Intersil Prism2/2.5/3. + * + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * <jkmaline@cc.hut.fi> + * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + * + * Adaption to a generic IEEE 802.11 stack by James Ketrenos + * <jketreno@linux.intel.com> + * + * Copyright (c) 2004, Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + */ + +/* + * This file defines the interface to the ieee80211 crypto module. + */ +#ifndef IEEE80211_CRYPT_H +#define IEEE80211_CRYPT_H + +#include <linux/skbuff.h> + +struct ieee80211_crypto_ops { + const char *name; + + /* init new crypto context (e.g., allocate private data space, + * select IV, etc.); returns NULL on failure or pointer to allocated + * private data on success */ + void * (*init)(int keyidx); + + /* deinitialize crypto context and free allocated private data */ + void (*deinit)(void *priv); + + /* encrypt/decrypt return < 0 on error or >= 0 on success. The return + * value from decrypt_mpdu is passed as the keyidx value for + * decrypt_msdu. skb must have enough head and tail room for the + * encryption; if not, error will be returned; these functions are + * called for all MPDUs (i.e., fragments). + */ + int (*encrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv); + int (*decrypt_mpdu)(struct sk_buff *skb, int hdr_len, void *priv); + + /* These functions are called for full MSDUs, i.e. full frames. + * These can be NULL if full MSDU operations are not needed. */ + int (*encrypt_msdu)(struct sk_buff *skb, int hdr_len, void *priv); + int (*decrypt_msdu)(struct sk_buff *skb, int keyidx, int hdr_len, + void *priv); + + int (*set_key)(void *key, int len, u8 *seq, void *priv); + int (*get_key)(void *key, int len, u8 *seq, void *priv); + + /* procfs handler for printing out key information and possible + * statistics */ + char * (*print_stats)(char *p, void *priv); + + /* maximum number of bytes added by encryption; encrypt buf is + * allocated with extra_prefix_len bytes, copy of in_buf, and + * extra_postfix_len; encrypt need not use all this space, but + * the result must start at the beginning of the buffer and correct + * length must be returned */ + int extra_prefix_len, extra_postfix_len; + + struct module *owner; +}; + +struct ieee80211_crypt_data { + struct list_head list; /* delayed deletion list */ + struct ieee80211_crypto_ops *ops; + void *priv; + atomic_t refcnt; +}; + +int ieee80211_register_crypto_ops(struct ieee80211_crypto_ops *ops); +int ieee80211_unregister_crypto_ops(struct ieee80211_crypto_ops *ops); +struct ieee80211_crypto_ops * ieee80211_get_crypto_ops(const char *name); +void ieee80211_crypt_deinit_entries(struct ieee80211_device *, int); +void ieee80211_crypt_deinit_handler(unsigned long); +void ieee80211_crypt_delayed_deinit(struct ieee80211_device *ieee, + struct ieee80211_crypt_data **crypt); + +#endif diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c new file mode 100644 index 00000000000..08add385790 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c @@ -0,0 +1,533 @@ +/* + * Host AP crypt: host-based CCMP encryption implementation for Host AP driver + * + * Copyright (c) 2003-2004, Jouni Malinen <jkmaline@cc.hut.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + */ + +//#include <linux/config.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/random.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/if_ether.h> +#include <linux/if_arp.h> +#include <asm/string.h> +#include <linux/wireless.h> + +#include "ieee80211.h" + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#include "rtl_crypto.h" +#else +#include <linux/crypto.h> +#endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) + #include <asm/scatterlist.h> +#else + #include <linux/scatterlist.h> +#endif + +//#include <asm/scatterlist.h> + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("Host AP crypt: CCMP"); +MODULE_LICENSE("GPL"); + +#ifdef OPENSUSE_SLED +#ifndef IN_OPENSUSE_SLED +#define IN_OPENSUSE_SLED 1 +#endif +#endif + +#define AES_BLOCK_LEN 16 +#define CCMP_HDR_LEN 8 +#define CCMP_MIC_LEN 8 +#define CCMP_TK_LEN 16 +#define CCMP_PN_LEN 6 + +struct ieee80211_ccmp_data { + u8 key[CCMP_TK_LEN]; + int key_set; + + u8 tx_pn[CCMP_PN_LEN]; + u8 rx_pn[CCMP_PN_LEN]; + + u32 dot11RSNAStatsCCMPFormatErrors; + u32 dot11RSNAStatsCCMPReplays; + u32 dot11RSNAStatsCCMPDecryptErrors; + + int key_idx; + + struct crypto_tfm *tfm; + + /* scratch buffers for virt_to_page() (crypto API) */ + u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN], + tx_e[AES_BLOCK_LEN], tx_s0[AES_BLOCK_LEN]; + u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN]; +}; + +void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm, + const u8 pt[16], u8 ct[16]) +{ + #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED)) + crypto_cipher_encrypt_one((void *)tfm, ct, pt); + #else + struct scatterlist src, dst; + + src.page = virt_to_page(pt); + src.offset = offset_in_page(pt); + src.length = AES_BLOCK_LEN; + + dst.page = virt_to_page(ct); + dst.offset = offset_in_page(ct); + dst.length = AES_BLOCK_LEN; + + crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN); + #endif +} + +static void * ieee80211_ccmp_init(int key_idx) +{ + struct ieee80211_ccmp_data *priv; + + priv = kmalloc(sizeof(*priv), GFP_ATOMIC); + if (priv == NULL) + goto fail; + memset(priv, 0, sizeof(*priv)); + priv->key_idx = key_idx; + + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!IN_OPENSUSE_SLED)) + priv->tfm = crypto_alloc_tfm("aes", 0); + if (priv->tfm == NULL) { + printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate " + "crypto API aes\n"); + goto fail; + } + #else + priv->tfm = (void *)crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->tfm)) { + printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate " + "crypto API aes\n"); + priv->tfm = NULL; + goto fail; + } + #endif + return priv; + +fail: + if (priv) { + if (priv->tfm) + //#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!IN_OPENSUSE_SLED)) + crypto_free_tfm(priv->tfm); + #else + crypto_free_cipher((void *)priv->tfm); + #endif + kfree(priv); + } + + return NULL; +} + + +static void ieee80211_ccmp_deinit(void *priv) +{ + struct ieee80211_ccmp_data *_priv = priv; + if (_priv && _priv->tfm) + //#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!IN_OPENSUSE_SLED)) + crypto_free_tfm(_priv->tfm); + #else + crypto_free_cipher((void *)_priv->tfm); + #endif + kfree(priv); +} + + +static inline void xor_block(u8 *b, u8 *a, size_t len) +{ + int i; + for (i = 0; i < len; i++) + b[i] ^= a[i]; +} + +#ifndef JOHN_CCMP +static void ccmp_init_blocks(struct crypto_tfm *tfm, + struct ieee80211_hdr *hdr, + u8 *pn, size_t dlen, u8 *b0, u8 *auth, + u8 *s0) +{ + u8 *pos, qc = 0; + size_t aad_len; + u16 fc; + int a4_included, qc_included; + u8 aad[2 * AES_BLOCK_LEN]; + + fc = le16_to_cpu(hdr->frame_ctl); + a4_included = ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)); + /* + qc_included = ((WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA) && + (WLAN_FC_GET_STYPE(fc) & 0x08)); + */ + // fixed by David :2006.9.6 + qc_included = ((WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA) && + (WLAN_FC_GET_STYPE(fc) & 0x80)); + aad_len = 22; + if (a4_included) + aad_len += 6; + if (qc_included) { + pos = (u8 *) &hdr->addr4; + if (a4_included) + pos += 6; + qc = *pos & 0x0f; + aad_len += 2; + } + /* CCM Initial Block: + * Flag (Include authentication header, M=3 (8-octet MIC), + * L=1 (2-octet Dlen)) + * Nonce: 0x00 | A2 | PN + * Dlen */ + b0[0] = 0x59; + b0[1] = qc; + memcpy(b0 + 2, hdr->addr2, ETH_ALEN); + memcpy(b0 + 8, pn, CCMP_PN_LEN); + b0[14] = (dlen >> 8) & 0xff; + b0[15] = dlen & 0xff; + + /* AAD: + * FC with bits 4..6 and 11..13 masked to zero; 14 is always one + * A1 | A2 | A3 + * SC with bits 4..15 (seq#) masked to zero + * A4 (if present) + * QC (if present) + */ + pos = (u8 *) hdr; + aad[0] = 0; /* aad_len >> 8 */ + aad[1] = aad_len & 0xff; + aad[2] = pos[0] & 0x8f; + aad[3] = pos[1] & 0xc7; + memcpy(aad + 4, hdr->addr1, 3 * ETH_ALEN); + pos = (u8 *) &hdr->seq_ctl; + aad[22] = pos[0] & 0x0f; + aad[23] = 0; /* all bits masked */ + memset(aad + 24, 0, 8); + if (a4_included) + memcpy(aad + 24, hdr->addr4, ETH_ALEN); + if (qc_included) { + aad[a4_included ? 30 : 24] = qc; + /* rest of QC masked */ + } + + /* Start with the first block and AAD */ + ieee80211_ccmp_aes_encrypt(tfm, b0, auth); + xor_block(auth, aad, AES_BLOCK_LEN); + ieee80211_ccmp_aes_encrypt(tfm, auth, auth); + xor_block(auth, &aad[AES_BLOCK_LEN], AES_BLOCK_LEN); + ieee80211_ccmp_aes_encrypt(tfm, auth, auth); + b0[0] &= 0x07; + b0[14] = b0[15] = 0; + ieee80211_ccmp_aes_encrypt(tfm, b0, s0); +} +#endif + +static int ieee80211_ccmp_encrypt(struct sk_buff *skb, int hdr_len, void *priv) +{ + struct ieee80211_ccmp_data *key = priv; + int data_len, i; + u8 *pos; + struct ieee80211_hdr *hdr; +#ifndef JOHN_CCMP + int blocks, last, len; + u8 *mic; + u8 *b0 = key->tx_b0; + u8 *b = key->tx_b; + u8 *e = key->tx_e; + u8 *s0 = key->tx_s0; +#endif + if (skb_headroom(skb) < CCMP_HDR_LEN || + skb_tailroom(skb) < CCMP_MIC_LEN || + skb->len < hdr_len) + return -1; + + data_len = skb->len - hdr_len; + pos = skb_push(skb, CCMP_HDR_LEN); + memmove(pos, pos + CCMP_HDR_LEN, hdr_len); + pos += hdr_len; +// mic = skb_put(skb, CCMP_MIC_LEN); + + i = CCMP_PN_LEN - 1; + while (i >= 0) { + key->tx_pn[i]++; + if (key->tx_pn[i] != 0) + break; + i--; + } + + *pos++ = key->tx_pn[5]; + *pos++ = key->tx_pn[4]; + *pos++ = 0; + *pos++ = (key->key_idx << 6) | (1 << 5) /* Ext IV included */; + *pos++ = key->tx_pn[3]; + *pos++ = key->tx_pn[2]; + *pos++ = key->tx_pn[1]; + *pos++ = key->tx_pn[0]; + + hdr = (struct ieee80211_hdr *) skb->data; +#ifndef JOHN_CCMP + //mic is moved to here by john + mic = skb_put(skb, CCMP_MIC_LEN); + + ccmp_init_blocks(key->tfm, hdr, key->tx_pn, data_len, b0, b, s0); + + blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; + last = data_len % AES_BLOCK_LEN; + + for (i = 1; i <= blocks; i++) { + len = (i == blocks && last) ? last : AES_BLOCK_LEN; + /* Authentication */ + xor_block(b, pos, len); + ieee80211_ccmp_aes_encrypt(key->tfm, b, b); + /* Encryption, with counter */ + b0[14] = (i >> 8) & 0xff; + b0[15] = i & 0xff; + ieee80211_ccmp_aes_encrypt(key->tfm, b0, e); + xor_block(pos, e, len); + pos += len; + } + + for (i = 0; i < CCMP_MIC_LEN; i++) + mic[i] = b[i] ^ s0[i]; +#endif + return 0; +} + + +static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv) +{ + struct ieee80211_ccmp_data *key = priv; + u8 keyidx, *pos; + struct ieee80211_hdr *hdr; + u8 pn[6]; +#ifndef JOHN_CCMP + size_t data_len = skb->len - hdr_len - CCMP_HDR_LEN - CCMP_MIC_LEN; + u8 *mic = skb->data + skb->len - CCMP_MIC_LEN; + u8 *b0 = key->rx_b0; + u8 *b = key->rx_b; + u8 *a = key->rx_a; + int i, blocks, last, len; +#endif + if (skb->len < hdr_len + CCMP_HDR_LEN + CCMP_MIC_LEN) { + key->dot11RSNAStatsCCMPFormatErrors++; + return -1; + } + + hdr = (struct ieee80211_hdr *) skb->data; + pos = skb->data + hdr_len; + keyidx = pos[3]; + if (!(keyidx & (1 << 5))) { + if (net_ratelimit()) { + printk(KERN_DEBUG "CCMP: received packet without ExtIV" + " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2)); + } + key->dot11RSNAStatsCCMPFormatErrors++; + return -2; + } + keyidx >>= 6; + if (key->key_idx != keyidx) { + printk(KERN_DEBUG "CCMP: RX tkey->key_idx=%d frame " + "keyidx=%d priv=%p\n", key->key_idx, keyidx, priv); + return -6; + } + if (!key->key_set) { + if (net_ratelimit()) { + printk(KERN_DEBUG "CCMP: received packet from " MAC_FMT + " with keyid=%d that does not have a configured" + " key\n", MAC_ARG(hdr->addr2), keyidx); + } + return -3; + } + + pn[0] = pos[7]; + pn[1] = pos[6]; + pn[2] = pos[5]; + pn[3] = pos[4]; + pn[4] = pos[1]; + pn[5] = pos[0]; + pos += 8; + + if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) { + if (net_ratelimit()) { + printk(KERN_DEBUG "CCMP: replay detected: STA=" MAC_FMT + " previous PN %02x%02x%02x%02x%02x%02x " + "received PN %02x%02x%02x%02x%02x%02x\n", + MAC_ARG(hdr->addr2), MAC_ARG(key->rx_pn), + MAC_ARG(pn)); + } + key->dot11RSNAStatsCCMPReplays++; + return -4; + } + +#ifndef JOHN_CCMP + ccmp_init_blocks(key->tfm, hdr, pn, data_len, b0, a, b); + xor_block(mic, b, CCMP_MIC_LEN); + + blocks = (data_len + AES_BLOCK_LEN - 1) / AES_BLOCK_LEN; + last = data_len % AES_BLOCK_LEN; + + for (i = 1; i <= blocks; i++) { + len = (i == blocks && last) ? last : AES_BLOCK_LEN; + /* Decrypt, with counter */ + b0[14] = (i >> 8) & 0xff; + b0[15] = i & 0xff; + ieee80211_ccmp_aes_encrypt(key->tfm, b0, b); + xor_block(pos, b, len); + /* Authentication */ + xor_block(a, pos, len); + ieee80211_ccmp_aes_encrypt(key->tfm, a, a); + pos += len; + } + + if (memcmp(mic, a, CCMP_MIC_LEN) != 0) { + if (net_ratelimit()) { + printk(KERN_DEBUG "CCMP: decrypt failed: STA=" + MAC_FMT "\n", MAC_ARG(hdr->addr2)); + } + key->dot11RSNAStatsCCMPDecryptErrors++; + return -5; + } + + memcpy(key->rx_pn, pn, CCMP_PN_LEN); + +#endif + /* Remove hdr and MIC */ + memmove(skb->data + CCMP_HDR_LEN, skb->data, hdr_len); + skb_pull(skb, CCMP_HDR_LEN); + skb_trim(skb, skb->len - CCMP_MIC_LEN); + + return keyidx; +} + + +static int ieee80211_ccmp_set_key(void *key, int len, u8 *seq, void *priv) +{ + struct ieee80211_ccmp_data *data = priv; + int keyidx; + struct crypto_tfm *tfm = data->tfm; + + keyidx = data->key_idx; + memset(data, 0, sizeof(*data)); + data->key_idx = keyidx; + data->tfm = tfm; + if (len == CCMP_TK_LEN) { + memcpy(data->key, key, CCMP_TK_LEN); + data->key_set = 1; + if (seq) { + data->rx_pn[0] = seq[5]; + data->rx_pn[1] = seq[4]; + data->rx_pn[2] = seq[3]; + data->rx_pn[3] = seq[2]; + data->rx_pn[4] = seq[1]; + data->rx_pn[5] = seq[0]; + } + crypto_cipher_setkey((void *)data->tfm, data->key, CCMP_TK_LEN); + } else if (len == 0) + data->key_set = 0; + else + return -1; + + return 0; +} + + +static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv) +{ + struct ieee80211_ccmp_data *data = priv; + + if (len < CCMP_TK_LEN) + return -1; + + if (!data->key_set) + return 0; + memcpy(key, data->key, CCMP_TK_LEN); + + if (seq) { + seq[0] = data->tx_pn[5]; + seq[1] = data->tx_pn[4]; + seq[2] = data->tx_pn[3]; + seq[3] = data->tx_pn[2]; + seq[4] = data->tx_pn[1]; + seq[5] = data->tx_pn[0]; + } + + return CCMP_TK_LEN; +} + + +static char * ieee80211_ccmp_print_stats(char *p, void *priv) +{ + struct ieee80211_ccmp_data *ccmp = priv; + p += sprintf(p, "key[%d] alg=CCMP key_set=%d " + "tx_pn=%02x%02x%02x%02x%02x%02x " + "rx_pn=%02x%02x%02x%02x%02x%02x " + "format_errors=%d replays=%d decrypt_errors=%d\n", + ccmp->key_idx, ccmp->key_set, + MAC_ARG(ccmp->tx_pn), MAC_ARG(ccmp->rx_pn), + ccmp->dot11RSNAStatsCCMPFormatErrors, + ccmp->dot11RSNAStatsCCMPReplays, + ccmp->dot11RSNAStatsCCMPDecryptErrors); + + return p; +} + +void ieee80211_ccmp_null(void) +{ +// printk("============>%s()\n", __func__); + return; +} +static struct ieee80211_crypto_ops ieee80211_crypt_ccmp = { + .name = "CCMP", + .init = ieee80211_ccmp_init, + .deinit = ieee80211_ccmp_deinit, + .encrypt_mpdu = ieee80211_ccmp_encrypt, + .decrypt_mpdu = ieee80211_ccmp_decrypt, + .encrypt_msdu = NULL, + .decrypt_msdu = NULL, + .set_key = ieee80211_ccmp_set_key, + .get_key = ieee80211_ccmp_get_key, + .print_stats = ieee80211_ccmp_print_stats, + .extra_prefix_len = CCMP_HDR_LEN, + .extra_postfix_len = CCMP_MIC_LEN, + .owner = THIS_MODULE, +}; + + +int ieee80211_crypto_ccmp_init(void) +{ + return ieee80211_register_crypto_ops(&ieee80211_crypt_ccmp); +} + + +void ieee80211_crypto_ccmp_exit(void) +{ + ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp); +} + +#if 0 +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +EXPORT_SYMBOL(ieee80211_ccmp_null); +#else +EXPORT_SYMBOL_NOVERS(ieee80211_ccmp_null); +#endif +#endif + +//module_init(ieee80211_crypto_ccmp_init); +//module_exit(ieee80211_crypto_ccmp_exit); diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c new file mode 100644 index 00000000000..de97bbec0da --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c @@ -0,0 +1,1001 @@ +/* + * Host AP crypt: host-based TKIP encryption implementation for Host AP driver + * + * Copyright (c) 2003-2004, Jouni Malinen <jkmaline@cc.hut.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + */ + +//#include <linux/config.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/random.h> +#include <linux/skbuff.h> +#include <linux/netdevice.h> +#include <linux/if_ether.h> +#include <linux/if_arp.h> +#include <asm/string.h> + +#include "ieee80211.h" + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#include "rtl_crypto.h" +#else +#include <linux/crypto.h> +#endif +//#include <asm/scatterlist.h> +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20)) + #include <asm/scatterlist.h> +#else + #include <linux/scatterlist.h> +#endif + +#include <linux/crc32.h> + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("Host AP crypt: TKIP"); +MODULE_LICENSE("GPL"); + +#ifdef OPENSUSE_SLED +#ifndef IN_OPENSUSE_SLED +#define IN_OPENSUSE_SLED 1 +#endif +#endif + +struct ieee80211_tkip_data { +#define TKIP_KEY_LEN 32 + u8 key[TKIP_KEY_LEN]; + int key_set; + + u32 tx_iv32; + u16 tx_iv16; + u16 tx_ttak[5]; + int tx_phase1_done; + + u32 rx_iv32; + u16 rx_iv16; + u16 rx_ttak[5]; + int rx_phase1_done; + u32 rx_iv32_new; + u16 rx_iv16_new; + + u32 dot11RSNAStatsTKIPReplays; + u32 dot11RSNAStatsTKIPICVErrors; + u32 dot11RSNAStatsTKIPLocalMICFailures; + + int key_idx; + + #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED)) + struct crypto_blkcipher *rx_tfm_arc4; + struct crypto_hash *rx_tfm_michael; + struct crypto_blkcipher *tx_tfm_arc4; + struct crypto_hash *tx_tfm_michael; + #endif + + struct crypto_tfm *tfm_arc4; + struct crypto_tfm *tfm_michael; + + /* scratch buffers for virt_to_page() (crypto API) */ + u8 rx_hdr[16], tx_hdr[16]; +}; + +static void * ieee80211_tkip_init(int key_idx) +{ + struct ieee80211_tkip_data *priv; + + priv = kmalloc(sizeof(*priv), GFP_ATOMIC); + if (priv == NULL) + goto fail; + memset(priv, 0, sizeof(*priv)); + priv->key_idx = key_idx; + + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + priv->tfm_arc4 = crypto_alloc_tfm("arc4", 0); + if (priv->tfm_arc4 == NULL) { + printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + "crypto API arc4\n"); + goto fail; + } + + priv->tfm_michael = crypto_alloc_tfm("michael_mic", 0); + if (priv->tfm_michael == NULL) { + printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + "crypto API michael_mic\n"); + goto fail; + } + + #else + priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, + CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->tx_tfm_arc4)) { + printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + "crypto API arc4\n"); + priv->tx_tfm_arc4 = NULL; + goto fail; + } + + priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0, + CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->tx_tfm_michael)) { + printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + "crypto API michael_mic\n"); + priv->tx_tfm_michael = NULL; + goto fail; + } + + priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0, + CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->rx_tfm_arc4)) { + printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + "crypto API arc4\n"); + priv->rx_tfm_arc4 = NULL; + goto fail; + } + + priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0, + CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->rx_tfm_michael)) { + printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " + "crypto API michael_mic\n"); + priv->rx_tfm_michael = NULL; + goto fail; + } + #endif + return priv; + +fail: + if (priv) { + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + if (priv->tfm_michael) + crypto_free_tfm(priv->tfm_michael); + if (priv->tfm_arc4) + crypto_free_tfm(priv->tfm_arc4); + #else + if (priv->tx_tfm_michael) + crypto_free_hash(priv->tx_tfm_michael); + if (priv->tx_tfm_arc4) + crypto_free_blkcipher(priv->tx_tfm_arc4); + if (priv->rx_tfm_michael) + crypto_free_hash(priv->rx_tfm_michael); + if (priv->rx_tfm_arc4) + crypto_free_blkcipher(priv->rx_tfm_arc4); + #endif + kfree(priv); + } + + return NULL; +} + + +static void ieee80211_tkip_deinit(void *priv) +{ + struct ieee80211_tkip_data *_priv = priv; + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + if (_priv && _priv->tfm_michael) + crypto_free_tfm(_priv->tfm_michael); + if (_priv && _priv->tfm_arc4) + crypto_free_tfm(_priv->tfm_arc4); + #else + if (_priv) { + if (_priv->tx_tfm_michael) + crypto_free_hash(_priv->tx_tfm_michael); + if (_priv->tx_tfm_arc4) + crypto_free_blkcipher(_priv->tx_tfm_arc4); + if (_priv->rx_tfm_michael) + crypto_free_hash(_priv->rx_tfm_michael); + if (_priv->rx_tfm_arc4) + crypto_free_blkcipher(_priv->rx_tfm_arc4); + } + #endif + kfree(priv); +} + + +static inline u16 RotR1(u16 val) +{ + return (val >> 1) | (val << 15); +} + + +static inline u8 Lo8(u16 val) +{ + return val & 0xff; +} + + +static inline u8 Hi8(u16 val) +{ + return val >> 8; +} + + +static inline u16 Lo16(u32 val) +{ + return val & 0xffff; +} + + +static inline u16 Hi16(u32 val) +{ + return val >> 16; +} + + +static inline u16 Mk16(u8 hi, u8 lo) +{ + return lo | (((u16) hi) << 8); +} + + +static inline u16 Mk16_le(u16 *v) +{ + return le16_to_cpu(*v); +} + + +static const u16 Sbox[256] = +{ + 0xC6A5, 0xF884, 0xEE99, 0xF68D, 0xFF0D, 0xD6BD, 0xDEB1, 0x9154, + 0x6050, 0x0203, 0xCEA9, 0x567D, 0xE719, 0xB562, 0x4DE6, 0xEC9A, + 0x8F45, 0x1F9D, 0x8940, 0xFA87, 0xEF15, 0xB2EB, 0x8EC9, 0xFB0B, + 0x41EC, 0xB367, 0x5FFD, 0x45EA, 0x23BF, 0x53F7, 0xE496, 0x9B5B, + 0x75C2, 0xE11C, 0x3DAE, 0x4C6A, 0x6C5A, 0x7E41, 0xF502, 0x834F, + 0x685C, 0x51F4, 0xD134, 0xF908, 0xE293, 0xAB73, 0x6253, 0x2A3F, + 0x080C, 0x9552, 0x4665, 0x9D5E, 0x3028, 0x37A1, 0x0A0F, 0x2FB5, + 0x0E09, 0x2436, 0x1B9B, 0xDF3D, 0xCD26, 0x4E69, 0x7FCD, 0xEA9F, + 0x121B, 0x1D9E, 0x5874, 0x342E, 0x362D, 0xDCB2, 0xB4EE, 0x5BFB, + 0xA4F6, 0x764D, 0xB761, 0x7DCE, 0x527B, 0xDD3E, 0x5E71, 0x1397, + 0xA6F5, 0xB968, 0x0000, 0xC12C, 0x4060, 0xE31F, 0x79C8, 0xB6ED, + 0xD4BE, 0x8D46, 0x67D9, 0x724B, 0x94DE, 0x98D4, 0xB0E8, 0x854A, + 0xBB6B, 0xC52A, 0x4FE5, 0xED16, 0x86C5, 0x9AD7, 0x6655, 0x1194, + 0x8ACF, 0xE910, 0x0406, 0xFE81, 0xA0F0, 0x7844, 0x25BA, 0x4BE3, + 0xA2F3, 0x5DFE, 0x80C0, 0x058A, 0x3FAD, 0x21BC, 0x7048, 0xF104, + 0x63DF, 0x77C1, 0xAF75, 0x4263, 0x2030, 0xE51A, 0xFD0E, 0xBF6D, + 0x814C, 0x1814, 0x2635, 0xC32F, 0xBEE1, 0x35A2, 0x88CC, 0x2E39, + 0x9357, 0x55F2, 0xFC82, 0x7A47, 0xC8AC, 0xBAE7, 0x322B, 0xE695, + 0xC0A0, 0x1998, 0x9ED1, 0xA37F, 0x4466, 0x547E, 0x3BAB, 0x0B83, + 0x8CCA, 0xC729, 0x6BD3, 0x283C, 0xA779, 0xBCE2, 0x161D, 0xAD76, + 0xDB3B, 0x6456, 0x744E, 0x141E, 0x92DB, 0x0C0A, 0x486C, 0xB8E4, + 0x9F5D, 0xBD6E, 0x43EF, 0xC4A6, 0x39A8, 0x31A4, 0xD337, 0xF28B, + 0xD532, 0x8B43, 0x6E59, 0xDAB7, 0x018C, 0xB164, 0x9CD2, 0x49E0, + 0xD8B4, 0xACFA, 0xF307, 0xCF25, 0xCAAF, 0xF48E, 0x47E9, 0x1018, + 0x6FD5, 0xF088, 0x4A6F, 0x5C72, 0x3824, 0x57F1, 0x73C7, 0x9751, + 0xCB23, 0xA17C, 0xE89C, 0x3E21, 0x96DD, 0x61DC, 0x0D86, 0x0F85, + 0xE090, 0x7C42, 0x71C4, 0xCCAA, 0x90D8, 0x0605, 0xF701, 0x1C12, + 0xC2A3, 0x6A5F, 0xAEF9, 0x69D0, 0x1791, 0x9958, 0x3A27, 0x27B9, + 0xD938, 0xEB13, 0x2BB3, 0x2233, 0xD2BB, 0xA970, 0x0789, 0x33A7, + 0x2DB6, 0x3C22, 0x1592, 0xC920, 0x8749, 0xAAFF, 0x5078, 0xA57A, + 0x038F, 0x59F8, 0x0980, 0x1A17, 0x65DA, 0xD731, 0x84C6, 0xD0B8, + 0x82C3, 0x29B0, 0x5A77, 0x1E11, 0x7BCB, 0xA8FC, 0x6DD6, 0x2C3A, +}; + + +static inline u16 _S_(u16 v) +{ + u16 t = Sbox[Hi8(v)]; + return Sbox[Lo8(v)] ^ ((t << 8) | (t >> 8)); +} + +#ifndef JOHN_TKIP +#define PHASE1_LOOP_COUNT 8 + +static void tkip_mixing_phase1(u16 *TTAK, const u8 *TK, const u8 *TA, u32 IV32) +{ + int i, j; + + /* Initialize the 80-bit TTAK from TSC (IV32) and TA[0..5] */ + TTAK[0] = Lo16(IV32); + TTAK[1] = Hi16(IV32); + TTAK[2] = Mk16(TA[1], TA[0]); + TTAK[3] = Mk16(TA[3], TA[2]); + TTAK[4] = Mk16(TA[5], TA[4]); + + for (i = 0; i < PHASE1_LOOP_COUNT; i++) { + j = 2 * (i & 1); + TTAK[0] += _S_(TTAK[4] ^ Mk16(TK[1 + j], TK[0 + j])); + TTAK[1] += _S_(TTAK[0] ^ Mk16(TK[5 + j], TK[4 + j])); + TTAK[2] += _S_(TTAK[1] ^ Mk16(TK[9 + j], TK[8 + j])); + TTAK[3] += _S_(TTAK[2] ^ Mk16(TK[13 + j], TK[12 + j])); + TTAK[4] += _S_(TTAK[3] ^ Mk16(TK[1 + j], TK[0 + j])) + i; + } +} + + +static void tkip_mixing_phase2(u8 *WEPSeed, const u8 *TK, const u16 *TTAK, + u16 IV16) +{ + /* Make temporary area overlap WEP seed so that the final copy can be + * avoided on little endian hosts. */ + u16 *PPK = (u16 *) &WEPSeed[4]; + + /* Step 1 - make copy of TTAK and bring in TSC */ + PPK[0] = TTAK[0]; + PPK[1] = TTAK[1]; + PPK[2] = TTAK[2]; + PPK[3] = TTAK[3]; + PPK[4] = TTAK[4]; + PPK[5] = TTAK[4] + IV16; + + /* Step 2 - 96-bit bijective mixing using S-box */ + PPK[0] += _S_(PPK[5] ^ Mk16_le((u16 *) &TK[0])); + PPK[1] += _S_(PPK[0] ^ Mk16_le((u16 *) &TK[2])); + PPK[2] += _S_(PPK[1] ^ Mk16_le((u16 *) &TK[4])); + PPK[3] += _S_(PPK[2] ^ Mk16_le((u16 *) &TK[6])); + PPK[4] += _S_(PPK[3] ^ Mk16_le((u16 *) &TK[8])); + PPK[5] += _S_(PPK[4] ^ Mk16_le((u16 *) &TK[10])); + + PPK[0] += RotR1(PPK[5] ^ Mk16_le((u16 *) &TK[12])); + PPK[1] += RotR1(PPK[0] ^ Mk16_le((u16 *) &TK[14])); + PPK[2] += RotR1(PPK[1]); + PPK[3] += RotR1(PPK[2]); + PPK[4] += RotR1(PPK[3]); + PPK[5] += RotR1(PPK[4]); + + /* Step 3 - bring in last of TK bits, assign 24-bit WEP IV value + * WEPSeed[0..2] is transmitted as WEP IV */ + WEPSeed[0] = Hi8(IV16); + WEPSeed[1] = (Hi8(IV16) | 0x20) & 0x7F; + WEPSeed[2] = Lo8(IV16); + WEPSeed[3] = Lo8((PPK[5] ^ Mk16_le((u16 *) &TK[0])) >> 1); + +#ifdef __BIG_ENDIAN + { + int i; + for (i = 0; i < 6; i++) + PPK[i] = (PPK[i] << 8) | (PPK[i] >> 8); + } +#endif +} +#endif +static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv) +{ + struct ieee80211_tkip_data *tkey = priv; + #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED)) + struct blkcipher_desc desc = {.tfm = tkey->tx_tfm_arc4}; + #endif + int len; + u8 *pos; + struct ieee80211_hdr *hdr; +#ifndef JOHN_TKIP + u8 rc4key[16],*icv; + u32 crc; + struct scatterlist sg; +#endif + int ret; + + ret = 0; + if (skb_headroom(skb) < 8 || skb_tailroom(skb) < 4 || + skb->len < hdr_len) + return -1; + + hdr = (struct ieee80211_hdr *) skb->data; +#if 0 +printk("@@ tkey\n"); +printk("%x|", ((u32*)tkey->key)[0]); +printk("%x|", ((u32*)tkey->key)[1]); +printk("%x|", ((u32*)tkey->key)[2]); +printk("%x|", ((u32*)tkey->key)[3]); +printk("%x|", ((u32*)tkey->key)[4]); +printk("%x|", ((u32*)tkey->key)[5]); +printk("%x|", ((u32*)tkey->key)[6]); +printk("%x\n", ((u32*)tkey->key)[7]); +#endif + +#ifndef JOHN_TKIP + if (!tkey->tx_phase1_done) { + tkip_mixing_phase1(tkey->tx_ttak, tkey->key, hdr->addr2, + tkey->tx_iv32); + tkey->tx_phase1_done = 1; + } + tkip_mixing_phase2(rc4key, tkey->key, tkey->tx_ttak, tkey->tx_iv16); + +#else + tkey->tx_phase1_done = 1; +#endif /*JOHN_TKIP*/ + + len = skb->len - hdr_len; + pos = skb_push(skb, 8); + memmove(pos, pos + 8, hdr_len); + pos += hdr_len; + +#ifdef JOHN_TKIP + *pos++ = Hi8(tkey->tx_iv16); + *pos++ = (Hi8(tkey->tx_iv16) | 0x20) & 0x7F; + *pos++ = Lo8(tkey->tx_iv16); +#else + *pos++ = rc4key[0]; + *pos++ = rc4key[1]; + *pos++ = rc4key[2]; +#endif + *pos++ = (tkey->key_idx << 6) | (1 << 5) /* Ext IV included */; + *pos++ = tkey->tx_iv32 & 0xff; + *pos++ = (tkey->tx_iv32 >> 8) & 0xff; + *pos++ = (tkey->tx_iv32 >> 16) & 0xff; + *pos++ = (tkey->tx_iv32 >> 24) & 0xff; +#ifndef JOHN_TKIP + icv = skb_put(skb, 4); +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) + crc = ~crc32_le(~0, pos, len); +#else + crc = ~ether_crc_le(len, pos); +#endif + icv[0] = crc; + icv[1] = crc >> 8; + icv[2] = crc >> 16; + icv[3] = crc >> 24; + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + crypto_cipher_setkey(tkey->tfm_arc4, rc4key, 16); + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = len + 4; + crypto_cipher_encrypt(tkey->tfm_arc4, &sg, &sg, len + 4); + #else + crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16); + #if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = len + 4; + #else + sg_init_one(&sg, pos, len+4); + #endif + ret= crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + #endif +#endif + tkey->tx_iv16++; + if (tkey->tx_iv16 == 0) { + tkey->tx_phase1_done = 0; + tkey->tx_iv32++; + } +#ifndef JOHN_TKIP + #if((LINUX_VERSION_CODE <KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + return 0; + #else + return ret; + #endif +#else + return 0; +#endif +} + +static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) +{ + struct ieee80211_tkip_data *tkey = priv; + #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) ||(IN_OPENSUSE_SLED)) + struct blkcipher_desc desc = {.tfm = tkey->rx_tfm_arc4}; + #endif + u8 keyidx, *pos; + u32 iv32; + u16 iv16; + struct ieee80211_hdr *hdr; +#ifndef JOHN_TKIP + u8 icv[4]; + u32 crc; + struct scatterlist sg; + u8 rc4key[16]; + int plen; +#endif + if (skb->len < hdr_len + 8 + 4) + return -1; + + hdr = (struct ieee80211_hdr *) skb->data; + pos = skb->data + hdr_len; + keyidx = pos[3]; + if (!(keyidx & (1 << 5))) { + if (net_ratelimit()) { + printk(KERN_DEBUG "TKIP: received packet without ExtIV" + " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2)); + } + return -2; + } + keyidx >>= 6; + if (tkey->key_idx != keyidx) { + printk(KERN_DEBUG "TKIP: RX tkey->key_idx=%d frame " + "keyidx=%d priv=%p\n", tkey->key_idx, keyidx, priv); + return -6; + } + if (!tkey->key_set) { + if (net_ratelimit()) { + printk(KERN_DEBUG "TKIP: received packet from " MAC_FMT + " with keyid=%d that does not have a configured" + " key\n", MAC_ARG(hdr->addr2), keyidx); + } + return -3; + } + iv16 = (pos[0] << 8) | pos[2]; + iv32 = pos[4] | (pos[5] << 8) | (pos[6] << 16) | (pos[7] << 24); + pos += 8; +#ifndef JOHN_TKIP + + if (iv32 < tkey->rx_iv32 || + (iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) { + if (net_ratelimit()) { + printk(KERN_DEBUG "TKIP: replay detected: STA=" MAC_FMT + " previous TSC %08x%04x received TSC " + "%08x%04x\n", MAC_ARG(hdr->addr2), + tkey->rx_iv32, tkey->rx_iv16, iv32, iv16); + } + tkey->dot11RSNAStatsTKIPReplays++; + return -4; + } + + if (iv32 != tkey->rx_iv32 || !tkey->rx_phase1_done) { + tkip_mixing_phase1(tkey->rx_ttak, tkey->key, hdr->addr2, iv32); + tkey->rx_phase1_done = 1; + } + tkip_mixing_phase2(rc4key, tkey->key, tkey->rx_ttak, iv16); + + plen = skb->len - hdr_len - 12; + #if((LINUX_VERSION_CODE <KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + crypto_cipher_setkey(tkey->tfm_arc4, rc4key, 16); + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = plen + 4; + crypto_cipher_decrypt(tkey->tfm_arc4, &sg, &sg, plen + 4); + #else + crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16); + #if(LINUX_VERSION_CODE <KERNEL_VERSION(2,6,24)) + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = plen + 4; + #else + sg_init_one(&sg, pos, plen+4); + #endif + if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) { + if (net_ratelimit()) { + printk(KERN_DEBUG ": TKIP: failed to decrypt " + "received packet from " MAC_FMT "\n", + MAC_ARG(hdr->addr2)); + } + return -7; + } + #endif + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) + crc = ~crc32_le(~0, pos, plen); +#else + crc = ~ether_crc_le(plen, pos); +#endif + icv[0] = crc; + icv[1] = crc >> 8; + icv[2] = crc >> 16; + icv[3] = crc >> 24; + if (memcmp(icv, pos + plen, 4) != 0) { + if (iv32 != tkey->rx_iv32) { + /* Previously cached Phase1 result was already lost, so + * it needs to be recalculated for the next packet. */ + tkey->rx_phase1_done = 0; + } + if (net_ratelimit()) { + printk(KERN_DEBUG "TKIP: ICV error detected: STA=" + MAC_FMT "\n", MAC_ARG(hdr->addr2)); + } + tkey->dot11RSNAStatsTKIPICVErrors++; + return -5; + } + +#endif /* JOHN_TKIP */ + + /* Update real counters only after Michael MIC verification has + * completed */ + tkey->rx_iv32_new = iv32; + tkey->rx_iv16_new = iv16; + + /* Remove IV and ICV */ + memmove(skb->data + 8, skb->data, hdr_len); + skb_pull(skb, 8); + skb_trim(skb, skb->len - 4); + +//john's test +#ifdef JOHN_DUMP +if( ((u16*)skb->data)[0] & 0x4000){ + printk("@@ rx decrypted skb->data"); + int i; + for(i=0;i<skb->len;i++){ + if( (i%24)==0 ) printk("\n"); + printk("%2x ", ((u8*)skb->data)[i]); + } + printk("\n"); +} +#endif /*JOHN_DUMP*/ + return keyidx; +} + +#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) && (!IN_OPENSUSE_SLED)) +static int michael_mic(struct ieee80211_tkip_data *tkey, u8 *key, u8 *hdr, + u8 *data, size_t data_len, u8 *mic) +{ + struct scatterlist sg[2]; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) + struct hash_desc desc; + int ret=0; +#endif + if (tkey->tfm_michael == NULL) { + printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n"); + return -1; + } + sg[0].page = virt_to_page(hdr); + sg[0].offset = offset_in_page(hdr); + sg[0].length = 16; + + sg[1].page = virt_to_page(data); + sg[1].offset = offset_in_page(data); + sg[1].length = data_len; + + //crypto_digest_init(tkey->tfm_michael); + //crypto_digest_setkey(tkey->tfm_michael, key, 8); + //crypto_digest_update(tkey->tfm_michael, sg, 2); + //crypto_digest_final(tkey->tfm_michael, mic); + + //return 0; +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) + crypto_digest_init(tkey->tfm_michael); + crypto_digest_setkey(tkey->tfm_michael, key, 8); + crypto_digest_update(tkey->tfm_michael, sg, 2); + crypto_digest_final(tkey->tfm_michael, mic); + + return 0; +#else +if (crypto_hash_setkey(tkey->tfm_michael, key, 8)) + return -1; + +// return 0; + desc.tfm = tkey->tfm_michael; + desc.flags = 0; + ret = crypto_hash_digest(&desc, sg, data_len + 16, mic); + return ret; +#endif +} +#else +static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr, + u8 * data, size_t data_len, u8 * mic) +{ + struct hash_desc desc; + struct scatterlist sg[2]; + + if (tfm_michael == NULL) { + printk(KERN_WARNING "michael_mic: tfm_michael == NULL\n"); + return -1; + } + #if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) + sg[0].page = virt_to_page(hdr); + sg[0].offset = offset_in_page(hdr); + sg[0].length = 16; + sg[1].page = virt_to_page(data); + sg[1].offset = offset_in_page(data); + sg[1].length = data_len; + #else + sg_init_table(sg, 2); + sg_set_buf(&sg[0], hdr, 16); + sg_set_buf(&sg[1], data, data_len); + #endif + + if (crypto_hash_setkey(tfm_michael, key, 8)) + return -1; + + desc.tfm = tfm_michael; + desc.flags = 0; + return crypto_hash_digest(&desc, sg, data_len + 16, mic); +} +#endif + + + +static void michael_mic_hdr(struct sk_buff *skb, u8 *hdr) +{ + struct ieee80211_hdr *hdr11; + + hdr11 = (struct ieee80211_hdr *) skb->data; + switch (le16_to_cpu(hdr11->frame_ctl) & + (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { + case IEEE80211_FCTL_TODS: + memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ + break; + case IEEE80211_FCTL_FROMDS: + memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr3, ETH_ALEN); /* SA */ + break; + case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: + memcpy(hdr, hdr11->addr3, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr4, ETH_ALEN); /* SA */ + break; + case 0: + memcpy(hdr, hdr11->addr1, ETH_ALEN); /* DA */ + memcpy(hdr + ETH_ALEN, hdr11->addr2, ETH_ALEN); /* SA */ + break; + } + + hdr[12] = 0; /* priority */ + + hdr[13] = hdr[14] = hdr[15] = 0; /* reserved */ +} + + +static int ieee80211_michael_mic_add(struct sk_buff *skb, int hdr_len, void *priv) +{ + struct ieee80211_tkip_data *tkey = priv; + u8 *pos; + struct ieee80211_hdr *hdr; + + hdr = (struct ieee80211_hdr *) skb->data; + + if (skb_tailroom(skb) < 8 || skb->len < hdr_len) { + printk(KERN_DEBUG "Invalid packet for Michael MIC add " + "(tailroom=%d hdr_len=%d skb->len=%d)\n", + skb_tailroom(skb), hdr_len, skb->len); + return -1; + } + + michael_mic_hdr(skb, tkey->tx_hdr); + + // { david, 2006.9.1 + // fix the wpa process with wmm enabled. + if(IEEE80211_QOS_HAS_SEQ(le16_to_cpu(hdr->frame_ctl))) { + tkey->tx_hdr[12] = *(skb->data + hdr_len - 2) & 0x07; + } + // } + pos = skb_put(skb, 8); + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + if (michael_mic(tkey, &tkey->key[16], tkey->tx_hdr, + skb->data + hdr_len, skb->len - 8 - hdr_len, pos)) + #else + if (michael_mic(tkey->tx_tfm_michael, &tkey->key[16], tkey->tx_hdr, + skb->data + hdr_len, skb->len - 8 - hdr_len, pos)) + #endif + return -1; + + return 0; +} + + +#if WIRELESS_EXT >= 18 +static void ieee80211_michael_mic_failure(struct net_device *dev, + struct ieee80211_hdr *hdr, + int keyidx) +{ + union iwreq_data wrqu; + struct iw_michaelmicfailure ev; + + /* TODO: needed parameters: count, keyid, key type, TSC */ + memset(&ev, 0, sizeof(ev)); + ev.flags = keyidx & IW_MICFAILURE_KEY_ID; + if (hdr->addr1[0] & 0x01) + ev.flags |= IW_MICFAILURE_GROUP; + else + ev.flags |= IW_MICFAILURE_PAIRWISE; + ev.src_addr.sa_family = ARPHRD_ETHER; + memcpy(ev.src_addr.sa_data, hdr->addr2, ETH_ALEN); + memset(&wrqu, 0, sizeof(wrqu)); + wrqu.data.length = sizeof(ev); + wireless_send_event(dev, IWEVMICHAELMICFAILURE, &wrqu, (char *) &ev); +} +#elif WIRELESS_EXT >= 15 +static void ieee80211_michael_mic_failure(struct net_device *dev, + struct ieee80211_hdr *hdr, + int keyidx) +{ + union iwreq_data wrqu; + char buf[128]; + + /* TODO: needed parameters: count, keyid, key type, TSC */ + sprintf(buf, "MLME-MICHAELMICFAILURE.indication(keyid=%d %scast addr=" + MAC_FMT ")", keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni", + MAC_ARG(hdr->addr2)); + memset(&wrqu, 0, sizeof(wrqu)); + wrqu.data.length = strlen(buf); + wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); +} +#else /* WIRELESS_EXT >= 15 */ +static inline void ieee80211_michael_mic_failure(struct net_device *dev, + struct ieee80211_hdr *hdr, + int keyidx) +{ +} +#endif /* WIRELESS_EXT >= 15 */ + + +static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx, + int hdr_len, void *priv) +{ + struct ieee80211_tkip_data *tkey = priv; + u8 mic[8]; + struct ieee80211_hdr *hdr; + + hdr = (struct ieee80211_hdr *) skb->data; + + if (!tkey->key_set) + return -1; + + michael_mic_hdr(skb, tkey->rx_hdr); + // { david, 2006.9.1 + // fix the wpa process with wmm enabled. + if(IEEE80211_QOS_HAS_SEQ(le16_to_cpu(hdr->frame_ctl))) { + tkey->rx_hdr[12] = *(skb->data + hdr_len - 2) & 0x07; + } + // } + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + if (michael_mic(tkey, &tkey->key[24], tkey->rx_hdr, + skb->data + hdr_len, skb->len - 8 - hdr_len, mic)) + #else + if (michael_mic(tkey->rx_tfm_michael, &tkey->key[24], tkey->rx_hdr, + skb->data + hdr_len, skb->len - 8 - hdr_len, mic)) + #endif + return -1; + if (memcmp(mic, skb->data + skb->len - 8, 8) != 0) { + struct ieee80211_hdr *hdr; + hdr = (struct ieee80211_hdr *) skb->data; + printk(KERN_DEBUG "%s: Michael MIC verification failed for " + "MSDU from " MAC_FMT " keyidx=%d\n", + skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2), + keyidx); + if (skb->dev) + ieee80211_michael_mic_failure(skb->dev, hdr, keyidx); + tkey->dot11RSNAStatsTKIPLocalMICFailures++; + return -1; + } + + /* Update TSC counters for RX now that the packet verification has + * completed. */ + tkey->rx_iv32 = tkey->rx_iv32_new; + tkey->rx_iv16 = tkey->rx_iv16_new; + + skb_trim(skb, skb->len - 8); + + return 0; +} + + +static int ieee80211_tkip_set_key(void *key, int len, u8 *seq, void *priv) +{ + struct ieee80211_tkip_data *tkey = priv; + int keyidx; + #if ((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + struct crypto_tfm *tfm = tkey->tfm_michael; + struct crypto_tfm *tfm2 = tkey->tfm_arc4; + #else + struct crypto_hash *tfm = tkey->tx_tfm_michael; + struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4; + struct crypto_hash *tfm3 = tkey->rx_tfm_michael; + struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4; + #endif + + keyidx = tkey->key_idx; + memset(tkey, 0, sizeof(*tkey)); + tkey->key_idx = keyidx; + + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + tkey->tfm_michael = tfm; + tkey->tfm_arc4 = tfm2; + #else + tkey->tx_tfm_michael = tfm; + tkey->tx_tfm_arc4 = tfm2; + tkey->rx_tfm_michael = tfm3; + tkey->rx_tfm_arc4 = tfm4; + #endif + + if (len == TKIP_KEY_LEN) { + memcpy(tkey->key, key, TKIP_KEY_LEN); + tkey->key_set = 1; + tkey->tx_iv16 = 1; /* TSC is initialized to 1 */ + if (seq) { + tkey->rx_iv32 = (seq[5] << 24) | (seq[4] << 16) | + (seq[3] << 8) | seq[2]; + tkey->rx_iv16 = (seq[1] << 8) | seq[0]; + } + } else if (len == 0) + tkey->key_set = 0; + else + return -1; + + return 0; +} + + +static int ieee80211_tkip_get_key(void *key, int len, u8 *seq, void *priv) +{ + struct ieee80211_tkip_data *tkey = priv; + + if (len < TKIP_KEY_LEN) + return -1; + + if (!tkey->key_set) + return 0; + memcpy(key, tkey->key, TKIP_KEY_LEN); + + if (seq) { + /* Return the sequence number of the last transmitted frame. */ + u16 iv16 = tkey->tx_iv16; + u32 iv32 = tkey->tx_iv32; + if (iv16 == 0) + iv32--; + iv16--; + seq[0] = tkey->tx_iv16; + seq[1] = tkey->tx_iv16 >> 8; + seq[2] = tkey->tx_iv32; + seq[3] = tkey->tx_iv32 >> 8; + seq[4] = tkey->tx_iv32 >> 16; + seq[5] = tkey->tx_iv32 >> 24; + } + + return TKIP_KEY_LEN; +} + + +static char * ieee80211_tkip_print_stats(char *p, void *priv) +{ + struct ieee80211_tkip_data *tkip = priv; + p += sprintf(p, "key[%d] alg=TKIP key_set=%d " + "tx_pn=%02x%02x%02x%02x%02x%02x " + "rx_pn=%02x%02x%02x%02x%02x%02x " + "replays=%d icv_errors=%d local_mic_failures=%d\n", + tkip->key_idx, tkip->key_set, + (tkip->tx_iv32 >> 24) & 0xff, + (tkip->tx_iv32 >> 16) & 0xff, + (tkip->tx_iv32 >> 8) & 0xff, + tkip->tx_iv32 & 0xff, + (tkip->tx_iv16 >> 8) & 0xff, + tkip->tx_iv16 & 0xff, + (tkip->rx_iv32 >> 24) & 0xff, + (tkip->rx_iv32 >> 16) & 0xff, + (tkip->rx_iv32 >> 8) & 0xff, + tkip->rx_iv32 & 0xff, + (tkip->rx_iv16 >> 8) & 0xff, + tkip->rx_iv16 & 0xff, + tkip->dot11RSNAStatsTKIPReplays, + tkip->dot11RSNAStatsTKIPICVErrors, + tkip->dot11RSNAStatsTKIPLocalMICFailures); + return p; +} + + +static struct ieee80211_crypto_ops ieee80211_crypt_tkip = { + .name = "TKIP", + .init = ieee80211_tkip_init, + .deinit = ieee80211_tkip_deinit, + .encrypt_mpdu = ieee80211_tkip_encrypt, + .decrypt_mpdu = ieee80211_tkip_decrypt, + .encrypt_msdu = ieee80211_michael_mic_add, + .decrypt_msdu = ieee80211_michael_mic_verify, + .set_key = ieee80211_tkip_set_key, + .get_key = ieee80211_tkip_get_key, + .print_stats = ieee80211_tkip_print_stats, + .extra_prefix_len = 4 + 4, /* IV + ExtIV */ + .extra_postfix_len = 8 + 4, /* MIC + ICV */ + .owner = THIS_MODULE, +}; + + +int ieee80211_crypto_tkip_init(void) +{ + return ieee80211_register_crypto_ops(&ieee80211_crypt_tkip); +} + + +void ieee80211_crypto_tkip_exit(void) +{ + ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip); +} + + +void ieee80211_tkip_null(void) +{ +// printk("============>%s()\n", __func__); + return; +} + +#if 0 +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +EXPORT_SYMBOL(ieee80211_tkip_null); +#else +EXPORT_SYMBOL_NOVERS(ieee80211_tkip_null); +#endif +#endif + + +//module_init(ieee80211_crypto_tkip_init); +//module_exit(ieee80211_crypto_tkip_exit); diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c new file mode 100644 index 00000000000..68a22b32fcf --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_wep.c @@ -0,0 +1,394 @@ +/* + * Host AP crypt: host-based WEP encryption implementation for Host AP driver + * + * Copyright (c) 2002-2004, Jouni Malinen <jkmaline@cc.hut.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + */ + +//#include <linux/config.h> +#include <linux/version.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/random.h> +#include <linux/skbuff.h> +#include <asm/string.h> + +#include "ieee80211.h" + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) +#include "rtl_crypto.h" +#else +#include <linux/crypto.h> +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) + #include <asm/scatterlist.h> +#else + #include <linux/scatterlist.h> +#endif +//#include <asm/scatterlist.h> +#include <linux/crc32.h> + +MODULE_AUTHOR("Jouni Malinen"); +MODULE_DESCRIPTION("Host AP crypt: WEP"); +MODULE_LICENSE("GPL"); + +#ifdef OPENSUSE_SLED +#ifndef IN_OPENSUSE_SLED +#define IN_OPENSUSE_SLED 1 +#endif +#endif + + +struct prism2_wep_data { + u32 iv; +#define WEP_KEY_LEN 13 + u8 key[WEP_KEY_LEN + 1]; + u8 key_len; + u8 key_idx; + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + struct crypto_tfm *tfm; + #else + struct crypto_blkcipher *tx_tfm; + struct crypto_blkcipher *rx_tfm; + #endif +}; + + +static void * prism2_wep_init(int keyidx) +{ + struct prism2_wep_data *priv; + + priv = kmalloc(sizeof(*priv), GFP_ATOMIC); + if (priv == NULL) + goto fail; + memset(priv, 0, sizeof(*priv)); + priv->key_idx = keyidx; + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + priv->tfm = crypto_alloc_tfm("arc4", 0); + if (priv->tfm == NULL) { + printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate " + "crypto API arc4\n"); + goto fail; + } + #else + priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->tx_tfm)) { + printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate " + "crypto API arc4\n"); + priv->tx_tfm = NULL; + goto fail; + } + priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->rx_tfm)) { + printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate " + "crypto API arc4\n"); + priv->rx_tfm = NULL; + goto fail; + } + #endif + + /* start WEP IV from a random value */ + get_random_bytes(&priv->iv, 4); + + return priv; + +fail: + //#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + if (priv) { + if (priv->tfm) + crypto_free_tfm(priv->tfm); + kfree(priv); + } + #else + if (priv) { + if (priv->tx_tfm) + crypto_free_blkcipher(priv->tx_tfm); + if (priv->rx_tfm) + crypto_free_blkcipher(priv->rx_tfm); + kfree(priv); + } + #endif + return NULL; +} + + +static void prism2_wep_deinit(void *priv) +{ + struct prism2_wep_data *_priv = priv; + //#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + if (_priv && _priv->tfm) + crypto_free_tfm(_priv->tfm); + #else + if (_priv) { + if (_priv->tx_tfm) + crypto_free_blkcipher(_priv->tx_tfm); + if (_priv->rx_tfm) + crypto_free_blkcipher(_priv->rx_tfm); + } + #endif + kfree(priv); +} + + +/* Perform WEP encryption on given skb that has at least 4 bytes of headroom + * for IV and 4 bytes of tailroom for ICV. Both IV and ICV will be transmitted, + * so the payload length increases with 8 bytes. + * + * WEP frame payload: IV + TX key idx, RC4(data), ICV = RC4(CRC32(data)) + */ +static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv) +{ + struct prism2_wep_data *wep = priv; +//#if(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED)) + struct blkcipher_desc desc = {.tfm = wep->tx_tfm}; +#endif + u32 klen, len; + u8 key[WEP_KEY_LEN + 3]; + u8 *pos; +#ifndef JOHN_HWSEC + u32 crc; + u8 *icv; + struct scatterlist sg; +#endif + if (skb_headroom(skb) < 4 || skb_tailroom(skb) < 4 || + skb->len < hdr_len) + return -1; + + len = skb->len - hdr_len; + pos = skb_push(skb, 4); + memmove(pos, pos + 4, hdr_len); + pos += hdr_len; + + klen = 3 + wep->key_len; + + wep->iv++; + + /* Fluhrer, Mantin, and Shamir have reported weaknesses in the key + * scheduling algorithm of RC4. At least IVs (KeyByte + 3, 0xff, N) + * can be used to speedup attacks, so avoid using them. */ + if ((wep->iv & 0xff00) == 0xff00) { + u8 B = (wep->iv >> 16) & 0xff; + if (B >= 3 && B < klen) + wep->iv += 0x0100; + } + + /* Prepend 24-bit IV to RC4 key and TX frame */ + *pos++ = key[0] = (wep->iv >> 16) & 0xff; + *pos++ = key[1] = (wep->iv >> 8) & 0xff; + *pos++ = key[2] = wep->iv & 0xff; + *pos++ = wep->key_idx << 6; + + /* Copy rest of the WEP key (the secret part) */ + memcpy(key + 3, wep->key, wep->key_len); + +#ifndef JOHN_HWSEC + /* Append little-endian CRC32 and encrypt it to produce ICV */ +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) + crc = ~crc32_le(~0, pos, len); +#else + crc = ~ether_crc_le(len, pos); +#endif + icv = skb_put(skb, 4); + icv[0] = crc; + icv[1] = crc >> 8; + icv[2] = crc >> 16; + icv[3] = crc >> 24; + + //#if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) + #if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + crypto_cipher_setkey(wep->tfm, key, klen); + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = len + 4; + crypto_cipher_encrypt(wep->tfm, &sg, &sg, len + 4); + + return 0; + #else + crypto_blkcipher_setkey(wep->tx_tfm, key, klen); + #if(LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = len + 4; + #else + sg_init_one(&sg, pos, len+4); + #endif + return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4); + #endif +#endif /* JOHN_HWSEC */ + return 0; +} + + +/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of + * the frame: IV (4 bytes), encrypted payload (including SNAP header), + * ICV (4 bytes). len includes both IV and ICV. + * + * Returns 0 if frame was decrypted successfully and ICV was correct and -1 on + * failure. If frame is OK, IV and ICV will be removed. + */ +static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv) +{ + struct prism2_wep_data *wep = priv; + //#if(LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)) + #if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21))||(IN_OPENSUSE_SLED)) + struct blkcipher_desc desc = {.tfm = wep->rx_tfm}; + #endif + u32 klen, plen; + u8 key[WEP_KEY_LEN + 3]; + u8 keyidx, *pos; +#ifndef JOHN_HWSEC + u32 crc; + u8 icv[4]; + struct scatterlist sg; +#endif + if (skb->len < hdr_len + 8) + return -1; + + pos = skb->data + hdr_len; + key[0] = *pos++; + key[1] = *pos++; + key[2] = *pos++; + keyidx = *pos++ >> 6; + if (keyidx != wep->key_idx) + return -1; + + klen = 3 + wep->key_len; + + /* Copy rest of the WEP key (the secret part) */ + memcpy(key + 3, wep->key, wep->key_len); + + /* Apply RC4 to data and compute CRC32 over decrypted data */ + plen = skb->len - hdr_len - 8; +#ifndef JOHN_HWSEC +//#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21)) +#if((LINUX_VERSION_CODE < KERNEL_VERSION(2,6,21))&&(!IN_OPENSUSE_SLED)) + crypto_cipher_setkey(wep->tfm, key, klen); + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = plen + 4; + crypto_cipher_decrypt(wep->tfm, &sg, &sg, plen + 4); +#else + crypto_blkcipher_setkey(wep->rx_tfm, key, klen); + #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) + sg.page = virt_to_page(pos); + sg.offset = offset_in_page(pos); + sg.length = plen + 4; + #else + sg_init_one(&sg, pos, plen+4); + #endif + if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) + return -7; +#endif + +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) + crc = ~crc32_le(~0, pos, plen); +#else + crc = ~ether_crc_le(plen, pos); +#endif + icv[0] = crc; + icv[1] = crc >> 8; + icv[2] = crc >> 16; + icv[3] = crc >> 24; + + if (memcmp(icv, pos + plen, 4) != 0) { + /* ICV mismatch - drop frame */ + return -2; + } +#endif /* JOHN_HWSEC */ + + /* Remove IV and ICV */ + memmove(skb->data + 4, skb->data, hdr_len); + skb_pull(skb, 4); + skb_trim(skb, skb->len - 4); + return 0; +} + + +static int prism2_wep_set_key(void *key, int len, u8 *seq, void *priv) +{ + struct prism2_wep_data *wep = priv; + + if (len < 0 || len > WEP_KEY_LEN) + return -1; + + memcpy(wep->key, key, len); + wep->key_len = len; + + return 0; +} + + +static int prism2_wep_get_key(void *key, int len, u8 *seq, void *priv) +{ + struct prism2_wep_data *wep = priv; + + if (len < wep->key_len) + return -1; + + memcpy(key, wep->key, wep->key_len); + + return wep->key_len; +} + + +static char * prism2_wep_print_stats(char *p, void *priv) +{ + struct prism2_wep_data *wep = priv; + p += sprintf(p, "key[%d] alg=WEP len=%d\n", + wep->key_idx, wep->key_len); + return p; +} + + +static struct ieee80211_crypto_ops ieee80211_crypt_wep = { + .name = "WEP", + .init = prism2_wep_init, + .deinit = prism2_wep_deinit, + .encrypt_mpdu = prism2_wep_encrypt, + .decrypt_mpdu = prism2_wep_decrypt, + .encrypt_msdu = NULL, + .decrypt_msdu = NULL, + .set_key = prism2_wep_set_key, + .get_key = prism2_wep_get_key, + .print_stats = prism2_wep_print_stats, + .extra_prefix_len = 4, /* IV */ + .extra_postfix_len = 4, /* ICV */ + .owner = THIS_MODULE, +}; + + +int ieee80211_crypto_wep_init(void) +{ + return ieee80211_register_crypto_ops(&ieee80211_crypt_wep); +} + + +void ieee80211_crypto_wep_exit(void) +{ + ieee80211_unregister_crypto_ops(&ieee80211_crypt_wep); +} + + +void ieee80211_wep_null(void) +{ +// printk("============>%s()\n", __func__); + return; +} +#if 0 +#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0)) +EXPORT_SYMBOL(ieee80211_wep_null); +#else +EXPORT_SYMBOL_NOVERS(ieee80211_wep_null); +#endif +#endif +//module_init(ieee80211_crypto_wep_init); +//module_exit(ieee80211_crypto_wep_exit); diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c new file mode 100644 index 00000000000..0c9fef0b4e3 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_module.c @@ -0,0 +1,301 @@ +/******************************************************************************* + + Copyright(c) 2004 Intel Corporation. All rights reserved. + + Portions of this file are based on the WEP enablement code provided by the + Host AP project hostap-drivers v0.1.3 + Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + <jkmaline@cc.hut.fi> + Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + James P. Ketrenos <ipw2100-admin@linux.intel.com> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +*******************************************************************************/ + +#include <linux/compiler.h> +//#include <linux/config.h> +#include <linux/errno.h> +#include <linux/if_arp.h> +#include <linux/in6.h> +#include <linux/in.h> +#include <linux/ip.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/pci.h> +#include <linux/proc_fs.h> +#include <linux/skbuff.h> +#include <linux/slab.h> +#include <linux/tcp.h> +#include <linux/types.h> +#include <linux/version.h> +#include <linux/wireless.h> +#include <linux/etherdevice.h> +#include <asm/uaccess.h> +#include <net/arp.h> +#include <net/net_namespace.h> + +#include "ieee80211.h" + +MODULE_DESCRIPTION("802.11 data/management/control stack"); +MODULE_AUTHOR("Copyright (C) 2004 Intel Corporation <jketreno@linux.intel.com>"); +MODULE_LICENSE("GPL"); + +#define DRV_NAME "ieee80211" + +static inline int ieee80211_networks_allocate(struct ieee80211_device *ieee) +{ + if (ieee->networks) + return 0; + + ieee->networks = kmalloc( + MAX_NETWORK_COUNT * sizeof(struct ieee80211_network), + GFP_KERNEL); + if (!ieee->networks) { + printk(KERN_WARNING "%s: Out of memory allocating beacons\n", + ieee->dev->name); + return -ENOMEM; + } + + memset(ieee->networks, 0, + MAX_NETWORK_COUNT * sizeof(struct ieee80211_network)); + + return 0; +} + +static inline void ieee80211_networks_free(struct ieee80211_device *ieee) +{ + if (!ieee->networks) + return; + kfree(ieee->networks); + ieee->networks = NULL; +} + +static inline void ieee80211_networks_initialize(struct ieee80211_device *ieee) +{ + int i; + + INIT_LIST_HEAD(&ieee->network_free_list); + INIT_LIST_HEAD(&ieee->network_list); + for (i = 0; i < MAX_NETWORK_COUNT; i++) + list_add_tail(&ieee->networks[i].list, &ieee->network_free_list); +} + + +struct net_device *alloc_ieee80211(int sizeof_priv) +{ + struct ieee80211_device *ieee; + struct net_device *dev; + int i,err; + + IEEE80211_DEBUG_INFO("Initializing...\n"); + + dev = alloc_etherdev(sizeof(struct ieee80211_device) + sizeof_priv); + if (!dev) { + IEEE80211_ERROR("Unable to network device.\n"); + goto failed; + } + ieee = netdev_priv(dev); + dev->hard_start_xmit = ieee80211_xmit; + + ieee->dev = dev; + + err = ieee80211_networks_allocate(ieee); + if (err) { + IEEE80211_ERROR("Unable to allocate beacon storage: %d\n", + err); + goto failed; + } + ieee80211_networks_initialize(ieee); + + /* Default fragmentation threshold is maximum payload size */ + ieee->fts = DEFAULT_FTS; + ieee->scan_age = DEFAULT_MAX_SCAN_AGE; + ieee->open_wep = 1; + + /* Default to enabling full open WEP with host based encrypt/decrypt */ + ieee->host_encrypt = 1; + ieee->host_decrypt = 1; + ieee->ieee802_1x = 1; /* Default to supporting 802.1x */ + + INIT_LIST_HEAD(&ieee->crypt_deinit_list); + init_timer(&ieee->crypt_deinit_timer); + ieee->crypt_deinit_timer.data = (unsigned long)ieee; + ieee->crypt_deinit_timer.function = ieee80211_crypt_deinit_handler; + + spin_lock_init(&ieee->lock); + spin_lock_init(&ieee->wpax_suitlist_lock); + + ieee->wpax_type_set = 0; + ieee->wpa_enabled = 0; + ieee->tkip_countermeasures = 0; + ieee->drop_unencrypted = 0; + ieee->privacy_invoked = 0; + ieee->ieee802_1x = 1; + ieee->raw_tx = 0; + + ieee80211_softmac_init(ieee); + + for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++) + INIT_LIST_HEAD(&ieee->ibss_mac_hash[i]); + + for (i = 0; i < 17; i++) { + ieee->last_rxseq_num[i] = -1; + ieee->last_rxfrag_num[i] = -1; + ieee->last_packet_time[i] = 0; + } +//These function were added to load crypte module autoly + ieee80211_tkip_null(); + ieee80211_wep_null(); + ieee80211_ccmp_null(); + return dev; + + failed: + if (dev) + free_netdev(dev); + return NULL; +} + + +void free_ieee80211(struct net_device *dev) +{ + struct ieee80211_device *ieee = netdev_priv(dev); + + int i; + struct list_head *p, *q; + + + ieee80211_softmac_free(ieee); + del_timer_sync(&ieee->crypt_deinit_timer); + ieee80211_crypt_deinit_entries(ieee, 1); + + for (i = 0; i < WEP_KEYS; i++) { + struct ieee80211_crypt_data *crypt = ieee->crypt[i]; + if (crypt) { + if (crypt->ops) { + crypt->ops->deinit(crypt->priv); + module_put(crypt->ops->owner); + } + kfree(crypt); + ieee->crypt[i] = NULL; + } + } + + ieee80211_networks_free(ieee); + + for (i = 0; i < IEEE_IBSS_MAC_HASH_SIZE; i++) { + list_for_each_safe(p, q, &ieee->ibss_mac_hash[i]) { + kfree(list_entry(p, struct ieee_ibss_seq, list)); + list_del(p); + } + } + + + free_netdev(dev); +} + +//#ifdef CONFIG_IEEE80211_DEBUG +#if 0 + +static int debug = 0; +u32 ieee80211_debug_level = 0; +struct proc_dir_entry *ieee80211_proc = NULL; + +static int show_debug_level(char *page, char **start, off_t offset, + int count, int *eof, void *data) +{ + return snprintf(page, count, "0x%08X\n", ieee80211_debug_level); +} + +static int store_debug_level(struct file *file, const char *buffer, + unsigned long count, void *data) +{ + char buf[] = "0x00000000"; + unsigned long len = min(sizeof(buf) - 1, (u32)count); + char *p = (char *)buf; + unsigned long val; + + if (copy_from_user(buf, buffer, len)) + return count; + buf[len] = 0; + if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') { + p++; + if (p[0] == 'x' || p[0] == 'X') + p++; + val = simple_strtoul(p, &p, 16); + } else + val = simple_strtoul(p, &p, 10); + if (p == buf) + printk(KERN_INFO DRV_NAME + ": %s is not in hex or decimal form.\n", buf); + else + ieee80211_debug_level = val; + + return strnlen(buf, count); +} + +static int __init ieee80211_init(void) +{ + struct proc_dir_entry *e; + + ieee80211_debug_level = debug; + ieee80211_proc = create_proc_entry(DRV_NAME, S_IFDIR, proc_net); + if (ieee80211_proc == NULL) { + IEEE80211_ERROR("Unable to create " DRV_NAME + " proc directory\n"); + return -EIO; + } + e = create_proc_entry("debug_level", S_IFREG | S_IRUGO | S_IWUSR, + ieee80211_proc); + if (!e) { + remove_proc_entry(DRV_NAME, proc_net); + ieee80211_proc = NULL; + return -EIO; + } + e->read_proc = show_debug_level; + e->write_proc = store_debug_level; + e->data = NULL; + + return 0; +} + +static void __exit ieee80211_exit(void) +{ + if (ieee80211_proc) { + remove_proc_entry("debug_level", ieee80211_proc); + remove_proc_entry(DRV_NAME, proc_net); + ieee80211_proc = NULL; + } +} + +#include <linux/moduleparam.h> +module_param(debug, int, 0444); +MODULE_PARM_DESC(debug, "debug output mask"); + + +module_exit(ieee80211_exit); +module_init(ieee80211_init); +#endif + +#if 0 +EXPORT_SYMBOL(alloc_ieee80211); +EXPORT_SYMBOL(free_ieee80211); +#endif diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c new file mode 100644 index 00000000000..23519b37538 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c @@ -0,0 +1,1971 @@ +/* + * Original code based Host AP (software wireless LAN access point) driver + * for Intersil Prism2/2.5/3 - hostap.o module, common routines + * + * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + * <jkmaline@cc.hut.fi> + * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + * Copyright (c) 2004, Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. See README and COPYING for + * more details. + ****************************************************************************** + + Few modifications for Realtek's Wi-Fi drivers by + Andrea Merello <andreamrl@tiscali.it> + + A special thanks goes to Realtek for their support ! + +******************************************************************************/ + + +#include <linux/compiler.h> +//#include <linux/config.h> +#include <linux/errno.h> +#include <linux/if_arp.h> +#include <linux/in6.h> +#include <linux/in.h> +#include <linux/ip.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/pci.h> +#include <linux/proc_fs.h> +#include <linux/skbuff.h> +#include <linux/slab.h> +#include <linux/tcp.h> +#include <linux/types.h> +#include <linux/version.h> +#include <linux/wireless.h> +#include <linux/etherdevice.h> +#include <asm/uaccess.h> +#include <linux/ctype.h> + +#include "ieee80211.h" +#ifdef ENABLE_DOT11D +#include "dot11d.h" +#endif +static inline void ieee80211_monitor_rx(struct ieee80211_device *ieee, + struct sk_buff *skb, + struct ieee80211_rx_stats *rx_stats) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; + u16 fc = le16_to_cpu(hdr->frame_ctl); + + skb->dev = ieee->dev; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,22) + skb_reset_mac_header(skb); +#else + skb->mac.raw = skb->data; +#endif + skb_pull(skb, ieee80211_get_hdrlen(fc)); + skb->pkt_type = PACKET_OTHERHOST; + skb->protocol = __constant_htons(ETH_P_80211_RAW); + memset(skb->cb, 0, sizeof(skb->cb)); + netif_rx(skb); +} + + +/* Called only as a tasklet (software IRQ) */ +static struct ieee80211_frag_entry * +ieee80211_frag_cache_find(struct ieee80211_device *ieee, unsigned int seq, + unsigned int frag, u8 tid,u8 *src, u8 *dst) +{ + struct ieee80211_frag_entry *entry; + int i; + + for (i = 0; i < IEEE80211_FRAG_CACHE_LEN; i++) { + entry = &ieee->frag_cache[tid][i]; + if (entry->skb != NULL && + time_after(jiffies, entry->first_frag_time + 2 * HZ)) { + IEEE80211_DEBUG_FRAG( + "expiring fragment cache entry " + "seq=%u last_frag=%u\n", + entry->seq, entry->last_frag); + dev_kfree_skb_any(entry->skb); + entry->skb = NULL; + } + + if (entry->skb != NULL && entry->seq == seq && + (entry->last_frag + 1 == frag || frag == -1) && + memcmp(entry->src_addr, src, ETH_ALEN) == 0 && + memcmp(entry->dst_addr, dst, ETH_ALEN) == 0) + return entry; + } + + return NULL; +} + +/* Called only as a tasklet (software IRQ) */ +static struct sk_buff * +ieee80211_frag_cache_get(struct ieee80211_device *ieee, + struct ieee80211_hdr *hdr) +{ + struct sk_buff *skb = NULL; + u16 fc = le16_to_cpu(hdr->frame_ctl); + u16 sc = le16_to_cpu(hdr->seq_ctl); + unsigned int frag = WLAN_GET_SEQ_FRAG(sc); + unsigned int seq = WLAN_GET_SEQ_SEQ(sc); + struct ieee80211_frag_entry *entry; + struct ieee80211_hdr_3addr_QOS *hdr_3addr_QoS; + struct ieee80211_hdr_QOS *hdr_4addr_QoS; + u8 tid; + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + { + tid = (hdr->addr2[ETH_ALEN-2] ^ hdr->addr2[ETH_ALEN-1]) & IEEE80211_QOS_TID; + } + else +#endif + if (((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) { + hdr_4addr_QoS = (struct ieee80211_hdr_QOS *)hdr; + tid = le16_to_cpu(hdr_4addr_QoS->QOS_ctl) & IEEE80211_QOS_TID; + tid = UP2AC(tid); + tid ++; + } else if (IEEE80211_QOS_HAS_SEQ(fc)) { + hdr_3addr_QoS = (struct ieee80211_hdr_3addr_QOS *)hdr; + tid = le16_to_cpu(hdr_3addr_QoS->QOS_ctl) & IEEE80211_QOS_TID; + tid = UP2AC(tid); + tid ++; + } else { + tid = 0; + } + + if (frag == 0) { + /* Reserve enough space to fit maximum frame length */ + skb = dev_alloc_skb(ieee->dev->mtu + + sizeof(struct ieee80211_hdr) + + 8 /* LLC */ + + 2 /* alignment */ + + 8 /* WEP */ + + ETH_ALEN /* WDS */ + + (IEEE80211_QOS_HAS_SEQ(fc)?2:0) /* QOS Control */); + if (skb == NULL) + return NULL; + + entry = &ieee->frag_cache[tid][ieee->frag_next_idx[tid]]; + ieee->frag_next_idx[tid]++; + if (ieee->frag_next_idx[tid] >= IEEE80211_FRAG_CACHE_LEN) + ieee->frag_next_idx[tid] = 0; + + if (entry->skb != NULL) + dev_kfree_skb_any(entry->skb); + + entry->first_frag_time = jiffies; + entry->seq = seq; + entry->last_frag = frag; + entry->skb = skb; + memcpy(entry->src_addr, hdr->addr2, ETH_ALEN); + memcpy(entry->dst_addr, hdr->addr1, ETH_ALEN); + } else { + /* received a fragment of a frame for which the head fragment + * should have already been received */ + entry = ieee80211_frag_cache_find(ieee, seq, frag, tid,hdr->addr2, + hdr->addr1); + if (entry != NULL) { + entry->last_frag = frag; + skb = entry->skb; + } + } + + return skb; +} + + +/* Called only as a tasklet (software IRQ) */ +static int ieee80211_frag_cache_invalidate(struct ieee80211_device *ieee, + struct ieee80211_hdr *hdr) +{ + u16 fc = le16_to_cpu(hdr->frame_ctl); + u16 sc = le16_to_cpu(hdr->seq_ctl); + unsigned int seq = WLAN_GET_SEQ_SEQ(sc); + struct ieee80211_frag_entry *entry; + struct ieee80211_hdr_3addr_QOS *hdr_3addr_QoS; + struct ieee80211_hdr_QOS *hdr_4addr_QoS; + u8 tid; + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + { + tid = (hdr->addr2[ETH_ALEN-2] ^ hdr->addr2[ETH_ALEN-1]) & IEEE80211_QOS_TID; + } + else +#endif + if(((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) { + hdr_4addr_QoS = (struct ieee80211_hdr_QOS *)hdr; + tid = le16_to_cpu(hdr_4addr_QoS->QOS_ctl) & IEEE80211_QOS_TID; + tid = UP2AC(tid); + tid ++; + } else if (IEEE80211_QOS_HAS_SEQ(fc)) { + hdr_3addr_QoS = (struct ieee80211_hdr_3addr_QOS *)hdr; + tid = le16_to_cpu(hdr_3addr_QoS->QOS_ctl) & IEEE80211_QOS_TID; + tid = UP2AC(tid); + tid ++; + } else { + tid = 0; + } + + entry = ieee80211_frag_cache_find(ieee, seq, -1, tid,hdr->addr2, + hdr->addr1); + + if (entry == NULL) { + IEEE80211_DEBUG_FRAG( + "could not invalidate fragment cache " + "entry (seq=%u)\n", seq); + return -1; + } + + entry->skb = NULL; + return 0; +} + + + +/* ieee80211_rx_frame_mgtmt + * + * Responsible for handling management control frames + * + * Called by ieee80211_rx */ +static inline int +ieee80211_rx_frame_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb, + struct ieee80211_rx_stats *rx_stats, u16 type, + u16 stype) +{ + struct ieee80211_hdr *hdr; + + // cheat the the hdr type + hdr = (struct ieee80211_hdr *)skb->data; + + /* On the struct stats definition there is written that + * this is not mandatory.... but seems that the probe + * response parser uses it + */ + rx_stats->len = skb->len; + ieee80211_rx_mgt(ieee,(struct ieee80211_hdr *)skb->data,rx_stats); + + if((ieee->state == IEEE80211_LINKED)&&(memcmp(hdr->addr3,ieee->current_network.bssid,ETH_ALEN))) { + dev_kfree_skb_any(skb); + return 0; + } + + ieee80211_rx_frame_softmac(ieee, skb, rx_stats, type, stype); + + dev_kfree_skb_any(skb); + + return 0; + + #ifdef NOT_YET + if (ieee->iw_mode == IW_MODE_MASTER) { + printk(KERN_DEBUG "%s: Master mode not yet suppported.\n", + ieee->dev->name); + return 0; +/* + hostap_update_sta_ps(ieee, (struct hostap_ieee80211_hdr *) + skb->data);*/ + } + + if (ieee->hostapd && type == IEEE80211_TYPE_MGMT) { + if (stype == WLAN_FC_STYPE_BEACON && + ieee->iw_mode == IW_MODE_MASTER) { + struct sk_buff *skb2; + /* Process beacon frames also in kernel driver to + * update STA(AP) table statistics */ + skb2 = skb_clone(skb, GFP_ATOMIC); + if (skb2) + hostap_rx(skb2->dev, skb2, rx_stats); + } + + /* send management frames to the user space daemon for + * processing */ + ieee->apdevstats.rx_packets++; + ieee->apdevstats.rx_bytes += skb->len; + prism2_rx_80211(ieee->apdev, skb, rx_stats, PRISM2_RX_MGMT); + return 0; + } + + if (ieee->iw_mode == IW_MODE_MASTER) { + if (type != WLAN_FC_TYPE_MGMT && type != WLAN_FC_TYPE_CTRL) { + printk(KERN_DEBUG "%s: unknown management frame " + "(type=0x%02x, stype=0x%02x) dropped\n", + skb->dev->name, type, stype); + return -1; + } + + hostap_rx(skb->dev, skb, rx_stats); + return 0; + } + + printk(KERN_DEBUG "%s: hostap_rx_frame_mgmt: management frame " + "received in non-Host AP mode\n", skb->dev->name); + return -1; + #endif +} + + + +/* See IEEE 802.1H for LLC/SNAP encapsulation/decapsulation */ +/* Ethernet-II snap header (RFC1042 for most EtherTypes) */ +static unsigned char rfc1042_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; +/* Bridge-Tunnel header (for EtherTypes ETH_P_AARP and ETH_P_IPX) */ +static unsigned char bridge_tunnel_header[] = +{ 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; +/* No encapsulation header if EtherType < 0x600 (=length) */ + +/* Called by ieee80211_rx_frame_decrypt */ +static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee, + struct sk_buff *skb, size_t hdrlen) +{ + struct net_device *dev = ieee->dev; + u16 fc, ethertype; + struct ieee80211_hdr *hdr; + u8 *pos; + + if (skb->len < 24) + return 0; + + hdr = (struct ieee80211_hdr *) skb->data; + fc = le16_to_cpu(hdr->frame_ctl); + + /* check that the frame is unicast frame to us */ + if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + IEEE80211_FCTL_TODS && + memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0 && + memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0) { + /* ToDS frame with own addr BSSID and DA */ + } else if ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + IEEE80211_FCTL_FROMDS && + memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0) { + /* FromDS frame with own addr as DA */ + } else + return 0; + + if (skb->len < 24 + 8) + return 0; + + /* check for port access entity Ethernet type */ +// pos = skb->data + 24; + pos = skb->data + hdrlen; + ethertype = (pos[6] << 8) | pos[7]; + if (ethertype == ETH_P_PAE) + return 1; + + return 0; +} + +/* Called only as a tasklet (software IRQ), by ieee80211_rx */ +static inline int +ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb, + struct ieee80211_crypt_data *crypt) +{ + struct ieee80211_hdr *hdr; + int res, hdrlen; + + if (crypt == NULL || crypt->ops->decrypt_mpdu == NULL) + return 0; + + hdr = (struct ieee80211_hdr *) skb->data; +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_rx_frame_get_hdrlen)) + { + hdrlen = ieee->ext_patch_ieee80211_rx_frame_get_hdrlen(ieee, skb); + } + else +#endif + hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); + +#ifdef CONFIG_IEEE80211_CRYPT_TKIP + if (ieee->tkip_countermeasures && + strcmp(crypt->ops->name, "TKIP") == 0) { + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " + "received packet from " MAC_FMT "\n", + ieee->dev->name, MAC_ARG(hdr->addr2)); + } + return -1; + } +#endif + + atomic_inc(&crypt->refcnt); + res = crypt->ops->decrypt_mpdu(skb, hdrlen, crypt->priv); + atomic_dec(&crypt->refcnt); + if (res < 0) { + IEEE80211_DEBUG_DROP( + "decryption failed (SA=" MAC_FMT + ") res=%d\n", MAC_ARG(hdr->addr2), res); + if (res == -2) + IEEE80211_DEBUG_DROP("Decryption failed ICV " + "mismatch (key %d)\n", + skb->data[hdrlen + 3] >> 6); + ieee->ieee_stats.rx_discards_undecryptable++; + return -1; + } + + return res; +} + + +/* Called only as a tasklet (software IRQ), by ieee80211_rx */ +static inline int +ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *skb, + int keyidx, struct ieee80211_crypt_data *crypt) +{ + struct ieee80211_hdr *hdr; + int res, hdrlen; + + if (crypt == NULL || crypt->ops->decrypt_msdu == NULL) + return 0; + + hdr = (struct ieee80211_hdr *) skb->data; +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_rx_frame_get_hdrlen)) + { + hdrlen = ieee->ext_patch_ieee80211_rx_frame_get_hdrlen(ieee, skb); + } + else +#endif + hdrlen = ieee80211_get_hdrlen(le16_to_cpu(hdr->frame_ctl)); + + atomic_inc(&crypt->refcnt); + res = crypt->ops->decrypt_msdu(skb, keyidx, hdrlen, crypt->priv); + atomic_dec(&crypt->refcnt); + if (res < 0) { + printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed" + " (SA=" MAC_FMT " keyidx=%d)\n", + ieee->dev->name, MAC_ARG(hdr->addr2), keyidx); + return -1; + } + + return 0; +} + + +/* this function is stolen from ipw2200 driver*/ +#define IEEE_PACKET_RETRY_TIME (5*HZ) +static int is_duplicate_packet(struct ieee80211_device *ieee, + struct ieee80211_hdr *header) +{ + u16 fc = le16_to_cpu(header->frame_ctl); + u16 sc = le16_to_cpu(header->seq_ctl); + u16 seq = WLAN_GET_SEQ_SEQ(sc); + u16 frag = WLAN_GET_SEQ_FRAG(sc); + u16 *last_seq, *last_frag; + unsigned long *last_time; + struct ieee80211_hdr_3addr_QOS *hdr_3addr_QoS; + struct ieee80211_hdr_QOS *hdr_4addr_QoS; + u8 tid; + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + { + tid = (header->addr2[ETH_ALEN-2] ^ header->addr2[ETH_ALEN-1]) & IEEE80211_QOS_TID; + } + else +#endif + //TO2DS and QoS + if(((fc & IEEE80211_FCTL_DSTODS) == IEEE80211_FCTL_DSTODS)&&IEEE80211_QOS_HAS_SEQ(fc)) { + hdr_4addr_QoS = (struct ieee80211_hdr_QOS *)header; + tid = le16_to_cpu(hdr_4addr_QoS->QOS_ctl) & IEEE80211_QOS_TID; + tid = UP2AC(tid); + tid ++; + } else if(IEEE80211_QOS_HAS_SEQ(fc)) { //QoS + hdr_3addr_QoS = (struct ieee80211_hdr_3addr_QOS*)header; + tid = le16_to_cpu(hdr_3addr_QoS->QOS_ctl) & IEEE80211_QOS_TID; + tid = UP2AC(tid); + tid ++; + } else { // no QoS + tid = 0; + } + switch (ieee->iw_mode) { + case IW_MODE_ADHOC: + { + struct list_head *p; + struct ieee_ibss_seq *entry = NULL; + u8 *mac = header->addr2; + int index = mac[5] % IEEE_IBSS_MAC_HASH_SIZE; + //for (pos = (head)->next; pos != (head); pos = pos->next) + __list_for_each(p, &ieee->ibss_mac_hash[index]) { + entry = list_entry(p, struct ieee_ibss_seq, list); + if (!memcmp(entry->mac, mac, ETH_ALEN)) + break; + } + // if (memcmp(entry->mac, mac, ETH_ALEN)){ + if (p == &ieee->ibss_mac_hash[index]) { + entry = kmalloc(sizeof(struct ieee_ibss_seq), GFP_ATOMIC); + if (!entry) { + printk(KERN_WARNING "Cannot malloc new mac entry\n"); + return 0; + } + memcpy(entry->mac, mac, ETH_ALEN); + entry->seq_num[tid] = seq; + entry->frag_num[tid] = frag; + entry->packet_time[tid] = jiffies; + list_add(&entry->list, &ieee->ibss_mac_hash[index]); + return 0; + } + last_seq = &entry->seq_num[tid]; + last_frag = &entry->frag_num[tid]; + last_time = &entry->packet_time[tid]; + break; + } + + case IW_MODE_INFRA: + last_seq = &ieee->last_rxseq_num[tid]; + last_frag = &ieee->last_rxfrag_num[tid]; + last_time = &ieee->last_packet_time[tid]; + + break; + default: +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + { + last_seq = &ieee->last_rxseq_num[tid]; + last_frag = &ieee->last_rxfrag_num[tid]; + last_time = &ieee->last_packet_time[tid]; + break; + } + else +#endif + return 0; + } + +// if(tid != 0) { +// printk(KERN_WARNING ":)))))))))))%x %x %x, fc(%x)\n", tid, *last_seq, seq, header->frame_ctl); +// } + if ((*last_seq == seq) && + time_after(*last_time + IEEE_PACKET_RETRY_TIME, jiffies)) { + if (*last_frag == frag){ + //printk(KERN_WARNING "[1] go drop!\n"); + goto drop; + + } + if (*last_frag + 1 != frag) + /* out-of-order fragment */ + //printk(KERN_WARNING "[2] go drop!\n"); + goto drop; + } else + *last_seq = seq; + + *last_frag = frag; + *last_time = jiffies; + return 0; + +drop: +// BUG_ON(!(fc & IEEE80211_FCTL_RETRY)); +// printk("DUP\n"); + + return 1; +} + + +/* All received frames are sent to this function. @skb contains the frame in + * IEEE 802.11 format, i.e., in the format it was sent over air. + * This function is called only as a tasklet (software IRQ). */ +int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb, + struct ieee80211_rx_stats *rx_stats) +{ + struct net_device *dev = ieee->dev; + //struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev); + struct ieee80211_hdr *hdr; + //struct ieee80211_hdr_3addr_QOS *hdr; + + size_t hdrlen; + u16 fc, type, stype, sc; + struct net_device_stats *stats; + unsigned int frag; + u8 *payload; + u16 ethertype; +#ifdef NOT_YET + struct net_device *wds = NULL; + struct sk_buff *skb2 = NULL; + struct net_device *wds = NULL; + int frame_authorized = 0; + int from_assoc_ap = 0; + void *sta = NULL; +#endif +// u16 QOS_ctl = 0; + u8 dst[ETH_ALEN]; + u8 src[ETH_ALEN]; + u8 bssid[ETH_ALEN]; + struct ieee80211_crypt_data *crypt = NULL; + int keyidx = 0; + + //Added for mesh by Lawrence. +#ifdef _RTL8187_EXT_PATCH_ + u8 status; + u32 flags; +#endif + // cheat the the hdr type + hdr = (struct ieee80211_hdr *)skb->data; + stats = &ieee->stats; + + if (skb->len < 10) { + printk(KERN_INFO "%s: SKB length < 10\n", + dev->name); + goto rx_dropped; + } + + fc = le16_to_cpu(hdr->frame_ctl); + type = WLAN_FC_GET_TYPE(fc); + stype = WLAN_FC_GET_STYPE(fc); + sc = le16_to_cpu(hdr->seq_ctl); + + frag = WLAN_GET_SEQ_FRAG(sc); + +//YJ,add,080828,for keep alive + if((fc & IEEE80211_FCTL_TODS) != IEEE80211_FCTL_TODS) + { + if(!memcmp(hdr->addr1,dev->dev_addr, ETH_ALEN)) + { + ieee->NumRxUnicast++; + } + } + else + { + if(!memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN)) + { + ieee->NumRxUnicast++; + } + } +//YJ,add,080828,for keep alive,end + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_rx_frame_get_hdrlen)) + { + hdrlen = ieee->ext_patch_ieee80211_rx_frame_get_hdrlen(ieee, skb); + if(skb->len < hdrlen) + goto rx_dropped; + } + else +#endif + hdrlen = ieee80211_get_hdrlen(fc); + +#ifdef NOT_YET +#if WIRELESS_EXT > 15 + /* Put this code here so that we avoid duplicating it in all + * Rx paths. - Jean II */ +#ifdef IW_WIRELESS_SPY /* defined in iw_handler.h */ + /* If spy monitoring on */ + if (iface->spy_data.spy_number > 0) { + struct iw_quality wstats; + wstats.level = rx_stats->signal; + wstats.noise = rx_stats->noise; + wstats.updated = 6; /* No qual value */ + /* Update spy records */ + wireless_spy_update(dev, hdr->addr2, &wstats); + } +#endif /* IW_WIRELESS_SPY */ +#endif /* WIRELESS_EXT > 15 */ + hostap_update_rx_stats(local->ap, hdr, rx_stats); +#endif + +#if WIRELESS_EXT > 15 + if (ieee->iw_mode == IW_MODE_MONITOR) { + ieee80211_monitor_rx(ieee, skb, rx_stats); + stats->rx_packets++; + stats->rx_bytes += skb->len; + return 1; + } +#endif + if (ieee->host_decrypt) { + int idx = 0; + if (skb->len >= hdrlen + 3) + idx = skb->data[hdrlen + 3] >> 6; + crypt = ieee->crypt[idx]; +#ifdef NOT_YET + sta = NULL; + + /* Use station specific key to override default keys if the + * receiver address is a unicast address ("individual RA"). If + * bcrx_sta_key parameter is set, station specific key is used + * even with broad/multicast targets (this is against IEEE + * 802.11, but makes it easier to use different keys with + * stations that do not support WEP key mapping). */ + + if (!(hdr->addr1[0] & 0x01) || local->bcrx_sta_key) + (void) hostap_handle_sta_crypto(local, hdr, &crypt, + &sta); +#endif + + /* allow NULL decrypt to indicate an station specific override + * for default encryption */ + if (crypt && (crypt->ops == NULL || + crypt->ops->decrypt_mpdu == NULL)) + crypt = NULL; + + if (!crypt && (fc & IEEE80211_FCTL_WEP)) { + /* This seems to be triggered by some (multicast?) + * frames from other than current BSS, so just drop the + * frames silently instead of filling system log with + * these reports. */ + IEEE80211_DEBUG_DROP("Decryption failed (not set)" + " (SA=" MAC_FMT ")\n", + MAC_ARG(hdr->addr2)); + ieee->ieee_stats.rx_discards_undecryptable++; + goto rx_dropped; + } + } + + if (skb->len < IEEE80211_DATA_HDR3_LEN) + goto rx_dropped; + +#ifdef _RTL8187_EXT_PATCH_ + if( ieee->iw_mode == ieee->iw_ext_mode && ieee->ext_patch_ieee80211_rx_mgt_update_expire ) + ieee->ext_patch_ieee80211_rx_mgt_update_expire( ieee, skb ); +#endif + + // if QoS enabled, should check the sequence for each of the AC + if (is_duplicate_packet(ieee, hdr)) + goto rx_dropped; + + + if (type == IEEE80211_FTYPE_MGMT) { + + #if 0 + if ( stype == IEEE80211_STYPE_AUTH && + fc & IEEE80211_FCTL_WEP && ieee->host_decrypt && + (keyidx = hostap_rx_frame_decrypt(ieee, skb, crypt)) < 0) + { + printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth " + "from " MAC_FMT "\n", dev->name, + MAC_ARG(hdr->addr2)); + /* TODO: could inform hostapd about this so that it + * could send auth failure report */ + goto rx_dropped; + } + #endif + + + if (ieee80211_rx_frame_mgmt(ieee, skb, rx_stats, type, stype)) + goto rx_dropped; + else + goto rx_exit; + } +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_on_rx) + { + if(ieee->ext_patch_ieee80211_rx_on_rx(ieee, skb, rx_stats, type, stype)==0) + { + goto rx_exit; + } + } +#endif + + /* Data frame - extract src/dst addresses */ + switch (fc & (IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS)) { + case IEEE80211_FCTL_FROMDS: + memcpy(dst, hdr->addr1, ETH_ALEN); + memcpy(src, hdr->addr3, ETH_ALEN); + memcpy(bssid,hdr->addr2,ETH_ALEN); + break; + case IEEE80211_FCTL_TODS: + memcpy(dst, hdr->addr3, ETH_ALEN); + memcpy(src, hdr->addr2, ETH_ALEN); + memcpy(bssid,hdr->addr1,ETH_ALEN); + break; + case IEEE80211_FCTL_FROMDS | IEEE80211_FCTL_TODS: + if (skb->len < IEEE80211_DATA_HDR4_LEN) + goto rx_dropped; + memcpy(dst, hdr->addr3, ETH_ALEN); + memcpy(src, hdr->addr4, ETH_ALEN); + memcpy(bssid, ieee->current_network.bssid, ETH_ALEN); + break; + case 0: + memcpy(dst, hdr->addr1, ETH_ALEN); + memcpy(src, hdr->addr2, ETH_ALEN); + memcpy(bssid,hdr->addr3,ETH_ALEN); + break; + } + +#ifdef NOT_YET + if (hostap_rx_frame_wds(ieee, hdr, fc, &wds)) + goto rx_dropped; + if (wds) { + skb->dev = dev = wds; + stats = hostap_get_stats(dev); + } + + if (ieee->iw_mode == IW_MODE_MASTER && !wds && + (fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == IEEE80211_FCTL_FROMDS && + ieee->stadev && + memcmp(hdr->addr2, ieee->assoc_ap_addr, ETH_ALEN) == 0) { + /* Frame from BSSID of the AP for which we are a client */ + skb->dev = dev = ieee->stadev; + stats = hostap_get_stats(dev); + from_assoc_ap = 1; + } +#endif + + dev->last_rx = jiffies; + +#ifdef NOT_YET + if ((ieee->iw_mode == IW_MODE_MASTER || + ieee->iw_mode == IW_MODE_REPEAT) && + !from_assoc_ap) { + switch (hostap_handle_sta_rx(ieee, dev, skb, rx_stats, + wds != NULL)) { + case AP_RX_CONTINUE_NOT_AUTHORIZED: + frame_authorized = 0; + break; + case AP_RX_CONTINUE: + frame_authorized = 1; + break; + case AP_RX_DROP: + goto rx_dropped; + case AP_RX_EXIT: + goto rx_exit; + } + } +#endif + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_is_valid_framectl) + { + if(ieee->ext_patch_ieee80211_rx_is_valid_framectl(ieee, fc, type, stype)==0) + goto rx_dropped; + } + else +#endif + /* Nullfunc frames may have PS-bit set, so they must be passed to + * hostap_handle_sta_rx() before being dropped here. */ + if (stype != IEEE80211_STYPE_DATA && + stype != IEEE80211_STYPE_DATA_CFACK && + stype != IEEE80211_STYPE_DATA_CFPOLL && + stype != IEEE80211_STYPE_DATA_CFACKPOLL&& + stype != IEEE80211_STYPE_QOS_DATA//add by David,2006.8.4 + ) { + if (stype != IEEE80211_STYPE_NULLFUNC) + IEEE80211_DEBUG_DROP( + "RX: dropped data frame " + "with no data (type=0x%02x, " + "subtype=0x%02x, len=%d)\n", + type, stype, skb->len); + goto rx_dropped; + } + if(memcmp(bssid,ieee->current_network.bssid,ETH_ALEN)) { + goto rx_dropped; + } + + ieee->NumRxDataInPeriod++; + ieee->NumRxOkTotal++; + /* skb: hdr + (possibly fragmented, possibly encrypted) payload */ + + if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) && + (keyidx = ieee80211_rx_frame_decrypt(ieee, skb, crypt)) < 0) + goto rx_dropped; + + hdr = (struct ieee80211_hdr *) skb->data; + + /* skb: hdr + (possibly fragmented) plaintext payload */ + // PR: FIXME: hostap has additional conditions in the "if" below: + // ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) && + if ((frag != 0 || (fc & IEEE80211_FCTL_MOREFRAGS))) { + int flen; + struct sk_buff *frag_skb = ieee80211_frag_cache_get(ieee, hdr); + IEEE80211_DEBUG_FRAG("Rx Fragment received (%u)\n", frag); + + if (!frag_skb) { + IEEE80211_DEBUG(IEEE80211_DL_RX | IEEE80211_DL_FRAG, + "Rx cannot get skb from fragment " + "cache (morefrag=%d seq=%u frag=%u)\n", + (fc & IEEE80211_FCTL_MOREFRAGS) != 0, + WLAN_GET_SEQ_SEQ(sc), frag); + goto rx_dropped; + } + flen = skb->len; + if (frag != 0) + flen -= hdrlen; + + if (frag_skb->tail + flen > frag_skb->end) { + printk(KERN_WARNING "%s: host decrypted and " + "reassembled frame did not fit skb\n", + dev->name); + ieee80211_frag_cache_invalidate(ieee, hdr); + goto rx_dropped; + } + + if (frag == 0) { + /* copy first fragment (including full headers) into + * beginning of the fragment cache skb */ + memcpy(skb_put(frag_skb, flen), skb->data, flen); + } else { + /* append frame payload to the end of the fragment + * cache skb */ + memcpy(skb_put(frag_skb, flen), skb->data + hdrlen, + flen); + } + dev_kfree_skb_any(skb); + skb = NULL; + + if (fc & IEEE80211_FCTL_MOREFRAGS) { + /* more fragments expected - leave the skb in fragment + * cache for now; it will be delivered to upper layers + * after all fragments have been received */ + goto rx_exit; + } + + /* this was the last fragment and the frame will be + * delivered, so remove skb from fragment cache */ + skb = frag_skb; + hdr = (struct ieee80211_hdr *) skb->data; + ieee80211_frag_cache_invalidate(ieee, hdr); + } + + /* skb: hdr + (possible reassembled) full MSDU payload; possibly still + * encrypted/authenticated */ + if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) && + ieee80211_rx_frame_decrypt_msdu(ieee, skb, keyidx, crypt)) + goto rx_dropped; + + hdr = (struct ieee80211_hdr *) skb->data; + if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep) { + if (/*ieee->ieee802_1x &&*/ + ieee80211_is_eapol_frame(ieee, skb, hdrlen)) { + +#ifdef CONFIG_IEEE80211_DEBUG + /* pass unencrypted EAPOL frames even if encryption is + * configured */ + struct eapol *eap = (struct eapol *)(skb->data + + 24); + IEEE80211_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n", + eap_get_type(eap->type)); +#endif + } else { + IEEE80211_DEBUG_DROP( + "encryption configured, but RX " + "frame not encrypted (SA=" MAC_FMT ")\n", + MAC_ARG(hdr->addr2)); + goto rx_dropped; + } + } + +#ifdef CONFIG_IEEE80211_DEBUG + if (crypt && !(fc & IEEE80211_FCTL_WEP) && + ieee80211_is_eapol_frame(ieee, skb, hdrlen)) { + struct eapol *eap = (struct eapol *)(skb->data + + 24); + IEEE80211_DEBUG_EAP("RX: IEEE 802.1X EAPOL frame: %s\n", + eap_get_type(eap->type)); + } +#endif + + if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep && + !ieee80211_is_eapol_frame(ieee, skb, hdrlen)) { + IEEE80211_DEBUG_DROP( + "dropped unencrypted RX data " + "frame from " MAC_FMT + " (drop_unencrypted=1)\n", + MAC_ARG(hdr->addr2)); + goto rx_dropped; + } +/* + if(ieee80211_is_eapol_frame(ieee, skb, hdrlen)) { + printk(KERN_WARNING "RX: IEEE802.1X EPAOL frame!\n"); + } +*/ + /* skb: hdr + (possible reassembled) full plaintext payload */ + payload = skb->data + hdrlen; + ethertype = (payload[6] << 8) | payload[7]; + +#ifdef NOT_YET + /* If IEEE 802.1X is used, check whether the port is authorized to send + * the received frame. */ + if (ieee->ieee802_1x && ieee->iw_mode == IW_MODE_MASTER) { + if (ethertype == ETH_P_PAE) { + printk(KERN_DEBUG "%s: RX: IEEE 802.1X frame\n", + dev->name); + if (ieee->hostapd && ieee->apdev) { + /* Send IEEE 802.1X frames to the user + * space daemon for processing */ + prism2_rx_80211(ieee->apdev, skb, rx_stats, + PRISM2_RX_MGMT); + ieee->apdevstats.rx_packets++; + ieee->apdevstats.rx_bytes += skb->len; + goto rx_exit; + } + } else if (!frame_authorized) { + printk(KERN_DEBUG "%s: dropped frame from " + "unauthorized port (IEEE 802.1X): " + "ethertype=0x%04x\n", + dev->name, ethertype); + goto rx_dropped; + } + } +#endif + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_process_dataframe) + { + //Added for mesh rx interrupt. + //spin_lock_irqsave(&ieee->lock,flags); + status = ieee->ext_patch_ieee80211_rx_process_dataframe(ieee, skb, rx_stats); + //spin_unlock_irqrestore(&ieee->lock,flags); + + if(status) +// if(ieee->ext_patch_ieee80211_rx_process_dataframe(ieee, skb, rx_stats)) + goto rx_exit; + else + goto rx_dropped; + } +#endif + + /* convert hdr + possible LLC headers into Ethernet header */ + if (skb->len - hdrlen >= 8 && + ((memcmp(payload, rfc1042_header, SNAP_SIZE) == 0 && + ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || + memcmp(payload, bridge_tunnel_header, SNAP_SIZE) == 0)) { + /* remove RFC1042 or Bridge-Tunnel encapsulation and + * replace EtherType */ + skb_pull(skb, hdrlen + SNAP_SIZE); + memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); + } else { + u16 len; + /* Leave Ethernet header part of hdr and full payload */ + skb_pull(skb, hdrlen); + len = htons(skb->len); + memcpy(skb_push(skb, 2), &len, 2); + memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); + } + +#ifdef NOT_YET + if (wds && ((fc & (IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS)) == + IEEE80211_FCTL_TODS) && + skb->len >= ETH_HLEN + ETH_ALEN) { + /* Non-standard frame: get addr4 from its bogus location after + * the payload */ + memcpy(skb->data + ETH_ALEN, + skb->data + skb->len - ETH_ALEN, ETH_ALEN); + skb_trim(skb, skb->len - ETH_ALEN); + } +#endif + + stats->rx_packets++; + stats->rx_bytes += skb->len; + +#ifdef NOT_YET + if (ieee->iw_mode == IW_MODE_MASTER && !wds && + ieee->ap->bridge_packets) { + if (dst[0] & 0x01) { + /* copy multicast frame both to the higher layers and + * to the wireless media */ + ieee->ap->bridged_multicast++; + skb2 = skb_clone(skb, GFP_ATOMIC); + if (skb2 == NULL) + printk(KERN_DEBUG "%s: skb_clone failed for " + "multicast frame\n", dev->name); + } else if (hostap_is_sta_assoc(ieee->ap, dst)) { + /* send frame directly to the associated STA using + * wireless media and not passing to higher layers */ + ieee->ap->bridged_unicast++; + skb2 = skb; + skb = NULL; + } + } + + if (skb2 != NULL) { + /* send to wireless media */ + skb2->protocol = __constant_htons(ETH_P_802_3); + skb2->mac.raw = skb2->nh.raw = skb2->data; + /* skb2->nh.raw = skb2->data + ETH_HLEN; */ + skb2->dev = dev; + dev_queue_xmit(skb2); + } + +#endif + if (skb) { + skb->protocol = eth_type_trans(skb, dev); + memset(skb->cb, 0, sizeof(skb->cb)); + skb->dev = dev; + skb->ip_summed = CHECKSUM_NONE; /* 802.11 crc not sufficient */ + ieee->last_rx_ps_time = jiffies; + netif_rx(skb); + } + + rx_exit: +#ifdef NOT_YET + if (sta) + hostap_handle_sta_release(sta); +#endif + return 1; + + rx_dropped: + stats->rx_dropped++; + + /* Returning 0 indicates to caller that we have not handled the SKB-- + * so it is still allocated and can be used again by underlying + * hardware as a DMA target */ + return 0; +} + +#ifdef _RTL8187_EXT_PATCH_ +int ieee_ext_skb_p80211_to_ether(struct sk_buff *skb, int hdrlen, u8 *dst, u8 *src) +{ + u8 *payload; + u16 ethertype; + + /* skb: hdr + (possible reassembled) full plaintext payload */ + payload = skb->data + hdrlen; + ethertype = (payload[6] << 8) | payload[7]; + + /* convert hdr + possible LLC headers into Ethernet header */ + if (skb->len - hdrlen >= 8 && + ((memcmp(payload, rfc1042_header, SNAP_SIZE) == 0 && + ethertype != ETH_P_AARP && ethertype != ETH_P_IPX) || + memcmp(payload, bridge_tunnel_header, SNAP_SIZE) == 0)) { + /* remove RFC1042 or Bridge-Tunnel encapsulation and + * replace EtherType */ + skb_pull(skb, hdrlen + SNAP_SIZE); + memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); + } else { + u16 len; + /* Leave Ethernet header part of hdr and full payload */ + skb_pull(skb, hdrlen); + len = htons(skb->len); + memcpy(skb_push(skb, 2), &len, 2); + memcpy(skb_push(skb, ETH_ALEN), src, ETH_ALEN); + memcpy(skb_push(skb, ETH_ALEN), dst, ETH_ALEN); + } + + return 1; +} +#endif // _RTL8187_EXT_PATCH_ + + +#define MGMT_FRAME_FIXED_PART_LENGTH 0x24 + +static inline int ieee80211_is_ofdm_rate(u8 rate) +{ + switch (rate & ~IEEE80211_BASIC_RATE_MASK) { + case IEEE80211_OFDM_RATE_6MB: + case IEEE80211_OFDM_RATE_9MB: + case IEEE80211_OFDM_RATE_12MB: + case IEEE80211_OFDM_RATE_18MB: + case IEEE80211_OFDM_RATE_24MB: + case IEEE80211_OFDM_RATE_36MB: + case IEEE80211_OFDM_RATE_48MB: + case IEEE80211_OFDM_RATE_54MB: + return 1; + } + return 0; +} + +static inline int ieee80211_SignalStrengthTranslate( + int CurrSS + ) +{ + int RetSS; + + // Step 1. Scale mapping. + if(CurrSS >= 71 && CurrSS <= 100) + { + RetSS = 90 + ((CurrSS - 70) / 3); + } + else if(CurrSS >= 41 && CurrSS <= 70) + { + RetSS = 78 + ((CurrSS - 40) / 3); + } + else if(CurrSS >= 31 && CurrSS <= 40) + { + RetSS = 66 + (CurrSS - 30); + } + else if(CurrSS >= 21 && CurrSS <= 30) + { + RetSS = 54 + (CurrSS - 20); + } + else if(CurrSS >= 5 && CurrSS <= 20) + { + RetSS = 42 + (((CurrSS - 5) * 2) / 3); + } + else if(CurrSS == 4) + { + RetSS = 36; + } + else if(CurrSS == 3) + { + RetSS = 27; + } + else if(CurrSS == 2) + { + RetSS = 18; + } + else if(CurrSS == 1) + { + RetSS = 9; + } + else + { + RetSS = CurrSS; + } + //RT_TRACE(COMP_DBG, DBG_LOUD, ("##### After Mapping: LastSS: %d, CurrSS: %d, RetSS: %d\n", LastSS, CurrSS, RetSS)); + + // Step 2. Smoothing. + + //RT_TRACE(COMP_DBG, DBG_LOUD, ("$$$$$ After Smoothing: LastSS: %d, CurrSS: %d, RetSS: %d\n", LastSS, CurrSS, RetSS)); + + return RetSS; +} + +#ifdef ENABLE_DOT11D +static inline void ieee80211_extract_country_ie( + struct ieee80211_device *ieee, + struct ieee80211_info_element *info_element, + struct ieee80211_network *network, + u8 * addr2 +) +{ +#if 0 + u32 i = 0; + u8 * p = (u8*)info_element->data; + printk("-----------------------\n"); + printk("%s Country IE:", network->ssid); + for(i=0; i<info_element->len; i++) + printk("\t%2.2x", *(p+i)); + printk("\n-----------------------\n"); +#endif + if(IS_DOT11D_ENABLE(ieee)) + { + if(info_element->len!= 0) + { + memcpy(network->CountryIeBuf, info_element->data, info_element->len); + network->CountryIeLen = info_element->len; + + if(!IS_COUNTRY_IE_VALID(ieee)) + { + Dot11d_UpdateCountryIe(ieee, addr2, info_element->len, info_element->data); + } + } + + // + // 070305, rcnjko: I update country IE watch dog here because + // some AP (e.g. Cisco 1242) don't include country IE in their + // probe response frame. + // + if(IS_EQUAL_CIE_SRC(ieee, addr2) ) + { + UPDATE_CIE_WATCHDOG(ieee); + } + } + +} +#endif + +int +ieee80211_TranslateToDbm( + unsigned char SignalStrengthIndex // 0-100 index. + ) +{ + unsigned char SignalPower; // in dBm. + + // Translate to dBm (x=0.5y-95). + SignalPower = (int)SignalStrengthIndex * 7 / 10; + SignalPower -= 95; + + return SignalPower; +} +inline int ieee80211_network_init( + struct ieee80211_device *ieee, + struct ieee80211_probe_response *beacon, + struct ieee80211_network *network, + struct ieee80211_rx_stats *stats) +{ +#ifdef CONFIG_IEEE80211_DEBUG + char rates_str[64]; + char *p; +#endif + struct ieee80211_info_element *info_element; + u16 left; + u8 i; + short offset; + u8 curRate = 0,hOpRate = 0,curRate_ex = 0; + + /* Pull out fixed field data */ + memcpy(network->bssid, beacon->header.addr3, ETH_ALEN); + network->capability = beacon->capability; + network->last_scanned = jiffies; + network->time_stamp[0] = beacon->time_stamp[0]; + network->time_stamp[1] = beacon->time_stamp[1]; + network->beacon_interval = beacon->beacon_interval; + /* Where to pull this? beacon->listen_interval;*/ + network->listen_interval = 0x0A; + network->rates_len = network->rates_ex_len = 0; + network->last_associate = 0; + network->ssid_len = 0; + network->flags = 0; + network->atim_window = 0; + network->QoS_Enable = 0; +//by amy 080312 + network->HighestOperaRate = 0; +//by amy 080312 +#ifdef THOMAS_TURBO + network->Turbo_Enable = 0; +#endif +#ifdef ENABLE_DOT11D + network->CountryIeLen = 0; + memset(network->CountryIeBuf, 0, MAX_IE_LEN); +#endif + + if (stats->freq == IEEE80211_52GHZ_BAND) { + /* for A band (No DS info) */ + network->channel = stats->received_channel; + } else + network->flags |= NETWORK_HAS_CCK; + + network->wpa_ie_len = 0; + network->rsn_ie_len = 0; + + info_element = &beacon->info_element; + left = stats->len - ((void *)info_element - (void *)beacon); + while (left >= sizeof(struct ieee80211_info_element_hdr)) { + if (sizeof(struct ieee80211_info_element_hdr) + info_element->len > left) { + IEEE80211_DEBUG_SCAN("SCAN: parse failed: info_element->len + 2 > left : info_element->len+2=%d left=%d.\n", + info_element->len + sizeof(struct ieee80211_info_element), + left); + return 1; + } + + switch (info_element->id) { + case MFIE_TYPE_SSID: + if (ieee80211_is_empty_essid(info_element->data, + info_element->len)) { + network->flags |= NETWORK_EMPTY_ESSID; + break; + } + + network->ssid_len = min(info_element->len, + (u8)IW_ESSID_MAX_SIZE); + memcpy(network->ssid, info_element->data, network->ssid_len); + if (network->ssid_len < IW_ESSID_MAX_SIZE) + memset(network->ssid + network->ssid_len, 0, + IW_ESSID_MAX_SIZE - network->ssid_len); + + IEEE80211_DEBUG_SCAN("MFIE_TYPE_SSID: '%s' len=%d.\n", + network->ssid, network->ssid_len); + break; + + case MFIE_TYPE_RATES: +#ifdef CONFIG_IEEE80211_DEBUG + p = rates_str; +#endif + network->rates_len = min(info_element->len, MAX_RATES_LENGTH); + for (i = 0; i < network->rates_len; i++) { + network->rates[i] = info_element->data[i]; + curRate = network->rates[i] & 0x7f; + if( hOpRate < curRate ) + hOpRate = curRate; +#ifdef CONFIG_IEEE80211_DEBUG + p += snprintf(p, sizeof(rates_str) - (p - rates_str), "%02X ", network->rates[i]); +#endif + if (ieee80211_is_ofdm_rate(info_element->data[i])) { + network->flags |= NETWORK_HAS_OFDM; + if (info_element->data[i] & + IEEE80211_BASIC_RATE_MASK) + network->flags &= + ~NETWORK_HAS_CCK; + } + } + + IEEE80211_DEBUG_SCAN("MFIE_TYPE_RATES: '%s' (%d)\n", + rates_str, network->rates_len); + break; + + case MFIE_TYPE_RATES_EX: +#ifdef CONFIG_IEEE80211_DEBUG + p = rates_str; +#endif + network->rates_ex_len = min(info_element->len, MAX_RATES_EX_LENGTH); + for (i = 0; i < network->rates_ex_len; i++) { + network->rates_ex[i] = info_element->data[i]; + curRate_ex = network->rates_ex[i] & 0x7f; + if( hOpRate < curRate_ex ) + hOpRate = curRate_ex; +#ifdef CONFIG_IEEE80211_DEBUG + p += snprintf(p, sizeof(rates_str) - (p - rates_str), "%02X ", network->rates[i]); +#endif + if (ieee80211_is_ofdm_rate(info_element->data[i])) { + network->flags |= NETWORK_HAS_OFDM; + if (info_element->data[i] & + IEEE80211_BASIC_RATE_MASK) + network->flags &= + ~NETWORK_HAS_CCK; + } + } + + IEEE80211_DEBUG_SCAN("MFIE_TYPE_RATES_EX: '%s' (%d)\n", + rates_str, network->rates_ex_len); + break; + + case MFIE_TYPE_DS_SET: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_DS_SET: %d\n", + info_element->data[0]); + if (stats->freq == IEEE80211_24GHZ_BAND) + network->channel = info_element->data[0]; + break; + + case MFIE_TYPE_FH_SET: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_FH_SET: ignored\n"); + break; + + case MFIE_TYPE_CF_SET: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_CF_SET: ignored\n"); + break; + + case MFIE_TYPE_TIM: + + if(info_element->len < 4) + break; + + network->dtim_period = info_element->data[1]; + + if(ieee->state != IEEE80211_LINKED) + break; +#if 0 + network->last_dtim_sta_time[0] = stats->mac_time[0]; +#else + network->last_dtim_sta_time[0] = jiffies; +#endif + network->last_dtim_sta_time[1] = stats->mac_time[1]; + + network->dtim_data = IEEE80211_DTIM_VALID; + + if(info_element->data[0] != 0) + break; + + if(info_element->data[2] & 1) + network->dtim_data |= IEEE80211_DTIM_MBCAST; + + offset = (info_element->data[2] >> 1)*2; + + //printk("offset1:%x aid:%x\n",offset, ieee->assoc_id); + + /* add and modified for ps 2008.1.22 */ + if(ieee->assoc_id < 8*offset || + ieee->assoc_id > 8*(offset + info_element->len -3)) { + break; + } + + offset = (ieee->assoc_id/8) - offset;// + ((aid % 8)? 0 : 1) ; + + // printk("offset:%x data:%x, ucast:%d\n", offset, + // info_element->data[3+offset] , + // info_element->data[3+offset] & (1<<(ieee->assoc_id%8))); + + if(info_element->data[3+offset] & (1<<(ieee->assoc_id%8))) { + network->dtim_data |= IEEE80211_DTIM_UCAST; + } + break; + + case MFIE_TYPE_IBSS_SET: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_IBSS_SET: ignored\n"); + break; + + case MFIE_TYPE_CHALLENGE: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_CHALLENGE: ignored\n"); + break; + + case MFIE_TYPE_GENERIC: + //nic is 87B + IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n", + info_element->len); + if (info_element->len >= 4 && + info_element->data[0] == 0x00 && + info_element->data[1] == 0x50 && + info_element->data[2] == 0xf2 && + info_element->data[3] == 0x01) { + network->wpa_ie_len = min(info_element->len + 2, + MAX_WPA_IE_LEN); + memcpy(network->wpa_ie, info_element, + network->wpa_ie_len); + } + +#ifdef THOMAS_TURBO + if (info_element->len == 7 && + info_element->data[0] == 0x00 && + info_element->data[1] == 0xe0 && + info_element->data[2] == 0x4c && + info_element->data[3] == 0x01 && + info_element->data[4] == 0x02) { + network->Turbo_Enable = 1; + } +#endif + if (1 == stats->nic_type) {//nic 87 + break; + } + + if (info_element->len >= 5 && + info_element->data[0] == 0x00 && + info_element->data[1] == 0x50 && + info_element->data[2] == 0xf2 && + info_element->data[3] == 0x02 && + info_element->data[4] == 0x00) { + //printk(KERN_WARNING "wmm info updated: %x\n", info_element->data[6]); + //WMM Information Element + network->wmm_info = info_element->data[6]; + network->QoS_Enable = 1; + } + + if (info_element->len >= 8 && + info_element->data[0] == 0x00 && + info_element->data[1] == 0x50 && + info_element->data[2] == 0xf2 && + info_element->data[3] == 0x02 && + info_element->data[4] == 0x01) { + // Not care about version at present. + //WMM Information Element + //printk(KERN_WARNING "wmm info¶m updated: %x\n", info_element->data[6]); + network->wmm_info = info_element->data[6]; + //WMM Parameter Element + memcpy(network->wmm_param, (u8 *)(info_element->data + 8),(info_element->len - 8)); + network->QoS_Enable = 1; + } + break; + + case MFIE_TYPE_RSN: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_RSN: %d bytes\n", + info_element->len); + network->rsn_ie_len = min(info_element->len + 2, + MAX_WPA_IE_LEN); + memcpy(network->rsn_ie, info_element, + network->rsn_ie_len); + break; +#ifdef ENABLE_DOT11D + case MFIE_TYPE_COUNTRY: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_COUNTRY: %d bytes\n", + info_element->len); +// printk("=====>Receive <%s> Country IE\n",network->ssid); + ieee80211_extract_country_ie(ieee, info_element, network, beacon->header.addr2); + break; +#endif + default: + IEEE80211_DEBUG_SCAN("unsupported IE %d\n", + info_element->id); + break; + } + + left -= sizeof(struct ieee80211_info_element_hdr) + + info_element->len; + info_element = (struct ieee80211_info_element *) + &info_element->data[info_element->len]; + } +//by amy 080312 + network->HighestOperaRate = hOpRate; +//by amy 080312 + network->mode = 0; + if (stats->freq == IEEE80211_52GHZ_BAND) + network->mode = IEEE_A; + else { + if (network->flags & NETWORK_HAS_OFDM) + network->mode |= IEEE_G; + if (network->flags & NETWORK_HAS_CCK) + network->mode |= IEEE_B; + } + + if (network->mode == 0) { + IEEE80211_DEBUG_SCAN("Filtered out '%s (" MAC_FMT ")' " + "network.\n", + escape_essid(network->ssid, + network->ssid_len), + MAC_ARG(network->bssid)); + return 1; + } + + if (ieee80211_is_empty_essid(network->ssid, network->ssid_len)) + network->flags |= NETWORK_EMPTY_ESSID; +#if 0 + stats->signal = ieee80211_SignalStrengthTranslate(stats->signal); +#endif + stats->signal = ieee80211_TranslateToDbm(stats->signalstrength); + //stats->noise = stats->signal - stats->noise; + stats->noise = ieee80211_TranslateToDbm(100 - stats->signalstrength) - 25; + memcpy(&network->stats, stats, sizeof(network->stats)); + + return 0; +} + +static inline int is_same_network(struct ieee80211_network *src, + struct ieee80211_network *dst, + struct ieee80211_device * ieee) +{ + /* A network is only a duplicate if the channel, BSSID, ESSID + * and the capability field (in particular IBSS and BSS) all match. + * We treat all <hidden> with the same BSSID and channel + * as one network */ + return (((src->ssid_len == dst->ssid_len) || (ieee->iw_mode == IW_MODE_INFRA)) && //YJ,mod,080819,for hidden ap + //((src->ssid_len == dst->ssid_len) && + (src->channel == dst->channel) && + !memcmp(src->bssid, dst->bssid, ETH_ALEN) && + (!memcmp(src->ssid, dst->ssid, src->ssid_len) || (ieee->iw_mode == IW_MODE_INFRA)) && //YJ,mod,080819,for hidden ap + //!memcmp(src->ssid, dst->ssid, src->ssid_len) && + ((src->capability & WLAN_CAPABILITY_IBSS) == + (dst->capability & WLAN_CAPABILITY_IBSS)) && + ((src->capability & WLAN_CAPABILITY_BSS) == + (dst->capability & WLAN_CAPABILITY_BSS))); +} + +inline void update_network(struct ieee80211_network *dst, + struct ieee80211_network *src) +{ + unsigned char quality = src->stats.signalstrength; + unsigned char signal = 0; + unsigned char noise = 0; + if(dst->stats.signalstrength > 0) { + quality = (dst->stats.signalstrength * 5 + src->stats.signalstrength + 5)/6; + } + signal = ieee80211_TranslateToDbm(quality); + //noise = signal - src->stats.noise; + if(dst->stats.noise > 0) + noise = (dst->stats.noise * 5 + src->stats.noise)/6; + //if(strcmp(dst->ssid, "linksys_lzm000") == 0) +// printk("ssid:%s, quality:%d, signal:%d\n", dst->ssid, quality, signal); + memcpy(&dst->stats, &src->stats, sizeof(struct ieee80211_rx_stats)); + dst->stats.signalstrength = quality; + dst->stats.signal = signal; +// printk("==================>stats.signal is %d\n",dst->stats.signal); + dst->stats.noise = noise; + + + dst->capability = src->capability; + memcpy(dst->rates, src->rates, src->rates_len); + dst->rates_len = src->rates_len; + memcpy(dst->rates_ex, src->rates_ex, src->rates_ex_len); + dst->rates_ex_len = src->rates_ex_len; + dst->HighestOperaRate= src->HighestOperaRate; + //printk("==========>in %s: src->ssid is %s,chan is %d\n",__func__,src->ssid,src->channel); + + //YJ,add,080819,for hidden ap + if(src->ssid_len > 0) + { + //if(src->ssid_len == 13) + // printk("=====================>>>>>>>> Dst ssid: %s Src ssid: %s\n", dst->ssid, src->ssid); + memset(dst->ssid, 0, dst->ssid_len); + dst->ssid_len = src->ssid_len; + memcpy(dst->ssid, src->ssid, src->ssid_len); + } + //YJ,add,080819,for hidden ap,end + + dst->channel = src->channel; + dst->mode = src->mode; + dst->flags = src->flags; + dst->time_stamp[0] = src->time_stamp[0]; + dst->time_stamp[1] = src->time_stamp[1]; + + dst->beacon_interval = src->beacon_interval; + dst->listen_interval = src->listen_interval; + dst->atim_window = src->atim_window; + dst->dtim_period = src->dtim_period; + dst->dtim_data = src->dtim_data; + dst->last_dtim_sta_time[0] = src->last_dtim_sta_time[0]; + dst->last_dtim_sta_time[1] = src->last_dtim_sta_time[1]; +// printk("update:%s, dtim_period:%x, dtim_data:%x\n", src->ssid, src->dtim_period, src->dtim_data); + memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len); + dst->wpa_ie_len = src->wpa_ie_len; + memcpy(dst->rsn_ie, src->rsn_ie, src->rsn_ie_len); + dst->rsn_ie_len = src->rsn_ie_len; + + dst->last_scanned = jiffies; + /* dst->last_associate is not overwritten */ +// disable QoS process now, added by David 2006/7/25 +#if 1 + dst->wmm_info = src->wmm_info; //sure to exist in beacon or probe response frame. +/* + if((dst->wmm_info^src->wmm_info)&0x0f) {//Param Set Count change, update Parameter + memcpy(dst->wmm_param, src->wmm_param, IEEE80211_AC_PRAM_LEN); + } +*/ + if(src->wmm_param[0].ac_aci_acm_aifsn|| \ + src->wmm_param[1].ac_aci_acm_aifsn|| \ + src->wmm_param[2].ac_aci_acm_aifsn|| \ + src->wmm_param[1].ac_aci_acm_aifsn) { + memcpy(dst->wmm_param, src->wmm_param, WME_AC_PRAM_LEN); + } + dst->QoS_Enable = src->QoS_Enable; +#else + dst->QoS_Enable = 1;//for Rtl8187 simulation +#endif + dst->SignalStrength = src->SignalStrength; +#ifdef THOMAS_TURBO + dst->Turbo_Enable = src->Turbo_Enable; +#endif +#ifdef ENABLE_DOT11D + dst->CountryIeLen = src->CountryIeLen; + memcpy(dst->CountryIeBuf, src->CountryIeBuf, src->CountryIeLen); +#endif +} + + +inline void ieee80211_process_probe_response( + struct ieee80211_device *ieee, + struct ieee80211_probe_response *beacon, + struct ieee80211_rx_stats *stats) +{ + struct ieee80211_network network; + struct ieee80211_network *target; + struct ieee80211_network *oldest = NULL; +#ifdef CONFIG_IEEE80211_DEBUG + struct ieee80211_info_element *info_element = &beacon->info_element; +#endif + unsigned long flags; + short renew; + u8 wmm_info; + u8 is_beacon = (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_BEACON)? 1:0; //YJ,add,080819,for hidden ap + + memset(&network, 0, sizeof(struct ieee80211_network)); +//rz +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_process_probe_response_1) { + ieee->ext_patch_ieee80211_process_probe_response_1(ieee, beacon, stats); + return; + } +#endif + + IEEE80211_DEBUG_SCAN( + "'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n", + escape_essid(info_element->data, info_element->len), + MAC_ARG(beacon->header.addr3), + (beacon->capability & (1<<0xf)) ? '1' : '0', + (beacon->capability & (1<<0xe)) ? '1' : '0', + (beacon->capability & (1<<0xd)) ? '1' : '0', + (beacon->capability & (1<<0xc)) ? '1' : '0', + (beacon->capability & (1<<0xb)) ? '1' : '0', + (beacon->capability & (1<<0xa)) ? '1' : '0', + (beacon->capability & (1<<0x9)) ? '1' : '0', + (beacon->capability & (1<<0x8)) ? '1' : '0', + (beacon->capability & (1<<0x7)) ? '1' : '0', + (beacon->capability & (1<<0x6)) ? '1' : '0', + (beacon->capability & (1<<0x5)) ? '1' : '0', + (beacon->capability & (1<<0x4)) ? '1' : '0', + (beacon->capability & (1<<0x3)) ? '1' : '0', + (beacon->capability & (1<<0x2)) ? '1' : '0', + (beacon->capability & (1<<0x1)) ? '1' : '0', + (beacon->capability & (1<<0x0)) ? '1' : '0'); +#if 0 + if(strcmp(escape_essid(beacon->info_element.data, beacon->info_element.len), "rtl_softap") == 0) + { + if(WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_BEACON) + { + u32 i = 0, len = stats->len; + u8 * p = (u8*)beacon; + printk("-----------------------\n"); + printk("rtl_softap Beacon:"); + for(i=0; i<len; i++) + printk("\t%2.2x", *(p+i)); + printk("\n-----------------------\n"); + } + } +#endif + if (ieee80211_network_init(ieee, beacon, &network, stats)) { + IEEE80211_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n", + escape_essid(info_element->data, + info_element->len), + MAC_ARG(beacon->header.addr3), + WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == + IEEE80211_STYPE_PROBE_RESP ? + "PROBE RESPONSE" : "BEACON"); + return; + } + +#ifdef ENABLE_DOT11D + // For Asus EeePc request, + // (1) if wireless adapter receive get any 802.11d country code in AP beacon, + // wireless adapter should follow the country code. + // (2) If there is no any country code in beacon, + // then wireless adapter should do active scan from ch1~11 and + // passive scan from ch12~14 + if(ieee->bGlobalDomain) + { + if (WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == IEEE80211_STYPE_PROBE_RESP) + { + // Case 1: Country code + if(IS_COUNTRY_IE_VALID(ieee) ) + { + if( !IsLegalChannel(ieee, network.channel) ) + { + printk("GetScanInfo(): For Country code, filter probe response at channel(%d).\n", network.channel); + return; + } + } + // Case 2: No any country code. + else + { + // Filter over channel ch12~14 + if(network.channel > 11) + { + printk("GetScanInfo(): For Global Domain, filter probe response at channel(%d).\n", network.channel); + return; + } + } + } + else + { + // Case 1: Country code + if(IS_COUNTRY_IE_VALID(ieee) ) + { + if( !IsLegalChannel(ieee, network.channel) ) + { + printk("GetScanInfo(): For Country code, filter beacon at channel(%d).\n",network.channel); + return; + } + } + // Case 2: No any country code. + else + { + // Filter over channel ch12~14 + if(network.channel > 14) + { + printk("GetScanInfo(): For Global Domain, filter beacon at channel(%d).\n",network.channel); + return; + } + } + } + } +#endif + /* The network parsed correctly -- so now we scan our known networks + * to see if we can find it in our list. + * + * NOTE: This search is definitely not optimized. Once its doing + * the "right thing" we'll optimize it for efficiency if + * necessary */ + + /* Search for this entry in the list and update it if it is + * already there. */ + + spin_lock_irqsave(&ieee->lock, flags); + + if(is_same_network(&ieee->current_network, &network, ieee)) { + wmm_info = ieee->current_network.wmm_info; + //YJ,add,080819,for hidden ap + if(is_beacon == 0) + network.flags = (~NETWORK_EMPTY_ESSID & network.flags)|(NETWORK_EMPTY_ESSID & ieee->current_network.flags); + else if(ieee->state == IEEE80211_LINKED) + ieee->NumRxBcnInPeriod++; + //YJ,add,080819,for hidden ap,end + //printk("====>network.ssid=%s cur_ssid=%s\n", network.ssid, ieee->current_network.ssid); + update_network(&ieee->current_network, &network); + } + + list_for_each_entry(target, &ieee->network_list, list) { + if (is_same_network(target, &network, ieee)) + break; + if ((oldest == NULL) || + (target->last_scanned < oldest->last_scanned)) + oldest = target; + } + + /* If we didn't find a match, then get a new network slot to initialize + * with this beacon's information */ + if (&target->list == &ieee->network_list) { + if (list_empty(&ieee->network_free_list)) { + /* If there are no more slots, expire the oldest */ + list_del(&oldest->list); + target = oldest; + IEEE80211_DEBUG_SCAN("Expired '%s' (" MAC_FMT ") from " + "network list.\n", + escape_essid(target->ssid, + target->ssid_len), + MAC_ARG(target->bssid)); + } else { + /* Otherwise just pull from the free list */ + target = list_entry(ieee->network_free_list.next, + struct ieee80211_network, list); + list_del(ieee->network_free_list.next); + } + + +#ifdef CONFIG_IEEE80211_DEBUG + IEEE80211_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n", + escape_essid(network.ssid, + network.ssid_len), + MAC_ARG(network.bssid), + WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == + IEEE80211_STYPE_PROBE_RESP ? + "PROBE RESPONSE" : "BEACON"); +#endif + +#ifdef _RTL8187_EXT_PATCH_ + network.ext_entry = target->ext_entry; +#endif + memcpy(target, &network, sizeof(*target)); + list_add_tail(&target->list, &ieee->network_list); + if(ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) + ieee80211_softmac_new_net(ieee,&network); + } else { + IEEE80211_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n", + escape_essid(target->ssid, + target->ssid_len), + MAC_ARG(target->bssid), + WLAN_FC_GET_STYPE(beacon->header.frame_ctl) == + IEEE80211_STYPE_PROBE_RESP ? + "PROBE RESPONSE" : "BEACON"); + + /* we have an entry and we are going to update it. But this entry may + * be already expired. In this case we do the same as we found a new + * net and call the new_net handler + */ + renew = !time_after(target->last_scanned + ieee->scan_age, jiffies); + //YJ,add,080819,for hidden ap + if(is_beacon == 0) + network.flags = (~NETWORK_EMPTY_ESSID & network.flags)|(NETWORK_EMPTY_ESSID & target->flags); + //if(strncmp(network.ssid, "linksys-c",9) == 0) + // printk("====>2 network.ssid=%s FLAG=%d target.ssid=%s FLAG=%d\n", network.ssid, network.flags, target->ssid, target->flags); + if(((network.flags & NETWORK_EMPTY_ESSID) == NETWORK_EMPTY_ESSID) \ + && (((network.ssid_len > 0) && (strncmp(target->ssid, network.ssid, network.ssid_len)))\ + ||((ieee->current_network.ssid_len == network.ssid_len)&&(strncmp(ieee->current_network.ssid, network.ssid, network.ssid_len) == 0)&&(ieee->state == IEEE80211_NOLINK)))) + renew = 1; + //YJ,add,080819,for hidden ap,end + update_network(target, &network); + if(renew && (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)) + ieee80211_softmac_new_net(ieee,&network); + } + + spin_unlock_irqrestore(&ieee->lock, flags); +} + +void ieee80211_rx_mgt(struct ieee80211_device *ieee, + struct ieee80211_hdr *header, + struct ieee80211_rx_stats *stats) +{ + switch (WLAN_FC_GET_STYPE(header->frame_ctl)) { + + case IEEE80211_STYPE_BEACON: + IEEE80211_DEBUG_MGMT("received BEACON (%d)\n", + WLAN_FC_GET_STYPE(header->frame_ctl)); + IEEE80211_DEBUG_SCAN("Beacon\n"); + ieee80211_process_probe_response( + ieee, (struct ieee80211_probe_response *)header, stats); + break; + + case IEEE80211_STYPE_PROBE_RESP: + IEEE80211_DEBUG_MGMT("received PROBE RESPONSE (%d)\n", + WLAN_FC_GET_STYPE(header->frame_ctl)); + IEEE80211_DEBUG_SCAN("Probe response\n"); + ieee80211_process_probe_response( + ieee, (struct ieee80211_probe_response *)header, stats); + break; +//rz +#ifdef _RTL8187_EXT_PATCH_ + case IEEE80211_STYPE_PROBE_REQ: + IEEE80211_DEBUG_MGMT("received PROBE REQUEST (%d)\n", + WLAN_FC_GET_STYPE(header->frame_ctl)); + IEEE80211_DEBUG_SCAN("Probe request\n"); + /// + if( ieee->iw_mode == ieee->iw_ext_mode && ieee->ext_patch_ieee80211_rx_mgt_on_probe_req ) + ieee->ext_patch_ieee80211_rx_mgt_on_probe_req( ieee, (struct ieee80211_probe_request *)header, stats); + break; +#endif // _RTL8187_EXT_PATCH_ + + } +} + +#if 0 +EXPORT_SYMBOL(ieee80211_rx_mgt); +EXPORT_SYMBOL(ieee80211_rx); +EXPORT_SYMBOL(ieee80211_network_init); +#ifdef _RTL8187_EXT_PATCH_ +EXPORT_SYMBOL(ieee_ext_skb_p80211_to_ether); +#endif +#endif diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c new file mode 100644 index 00000000000..e5752f615e0 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c @@ -0,0 +1,4029 @@ +/* IEEE 802.11 SoftMAC layer + * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it> + * + * Mostly extracted from the rtl8180-sa2400 driver for the + * in-kernel generic ieee802.11 stack. + * + * Few lines might be stolen from other part of the ieee80211 + * stack. Copyright who own it's copyright + * + * WPA code stolen from the ipw2200 driver. + * Copyright who own it's copyright. + * + * released under the GPL + */ + + +#include "ieee80211.h" + +#include <linux/random.h> +#include <linux/delay.h> +#include <linux/version.h> +#include <asm/uaccess.h> + +#ifdef ENABLE_DOT11D +#include "dot11d.h" +#endif +u8 rsn_authen_cipher_suite[16][4] = { + {0x00,0x0F,0xAC,0x00}, //Use group key, //Reserved + {0x00,0x0F,0xAC,0x01}, //WEP-40 //RSNA default + {0x00,0x0F,0xAC,0x02}, //TKIP //NONE //{used just as default} + {0x00,0x0F,0xAC,0x03}, //WRAP-historical + {0x00,0x0F,0xAC,0x04}, //CCMP + {0x00,0x0F,0xAC,0x05}, //WEP-104 +}; + +short ieee80211_is_54g(struct ieee80211_network net) +{ + return ((net.rates_ex_len > 0) || (net.rates_len > 4)); +} + +short ieee80211_is_shortslot(struct ieee80211_network net) +{ + return (net.capability & WLAN_CAPABILITY_SHORT_SLOT); +} + +/* returns the total length needed for pleacing the RATE MFIE + * tag and the EXTENDED RATE MFIE tag if needed. + * It encludes two bytes per tag for the tag itself and its len + */ +unsigned int ieee80211_MFIE_rate_len(struct ieee80211_device *ieee) +{ + unsigned int rate_len = 0; + + if (ieee->modulation & IEEE80211_CCK_MODULATION) + rate_len = IEEE80211_CCK_RATE_LEN + 2; + + if (ieee->modulation & IEEE80211_OFDM_MODULATION) + + rate_len += IEEE80211_OFDM_RATE_LEN + 2; + + return rate_len; +} + +/* pleace the MFIE rate, tag to the memory (double) poined. + * Then it updates the pointer so that + * it points after the new MFIE tag added. + */ +void ieee80211_MFIE_Brate(struct ieee80211_device *ieee, u8 **tag_p) +{ + u8 *tag = *tag_p; + + if (ieee->modulation & IEEE80211_CCK_MODULATION){ + *tag++ = MFIE_TYPE_RATES; + *tag++ = 4; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; + } + + /* We may add an option for custom rates that specific HW might support */ + *tag_p = tag; +} + +void ieee80211_MFIE_Grate(struct ieee80211_device *ieee, u8 **tag_p) +{ + u8 *tag = *tag_p; + + if (ieee->modulation & IEEE80211_OFDM_MODULATION){ + + *tag++ = MFIE_TYPE_RATES_EX; + *tag++ = 8; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB; + *tag++ = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB; + + } + + /* We may add an option for custom rates that specific HW might support */ + *tag_p = tag; +} + + +void ieee80211_WMM_Info(struct ieee80211_device *ieee, u8 **tag_p) { + u8 *tag = *tag_p; + + *tag++ = MFIE_TYPE_GENERIC; //0 + *tag++ = 7; + *tag++ = 0x00; + *tag++ = 0x50; + *tag++ = 0xf2; + *tag++ = 0x02;//5 + *tag++ = 0x00; + *tag++ = 0x01; +#ifdef SUPPORT_USPD + if(ieee->current_network.wmm_info & 0x80) { + *tag++ = 0x0f|MAX_SP_Len; + } else { + *tag++ = MAX_SP_Len; + } +#else + *tag++ = MAX_SP_Len; +#endif + *tag_p = tag; +} + +#ifdef THOMAS_TURBO +void ieee80211_TURBO_Info(struct ieee80211_device *ieee, u8 **tag_p) { + u8 *tag = *tag_p; + + *tag++ = MFIE_TYPE_GENERIC; //0 + *tag++ = 7; + *tag++ = 0x00; + *tag++ = 0xe0; + *tag++ = 0x4c; + *tag++ = 0x01;//5 + *tag++ = 0x02; + *tag++ = 0x11; + *tag++ = 0x00; + + *tag_p = tag; + printk(KERN_ALERT "This is enable turbo mode IE process\n"); +} +#endif + +void enqueue_mgmt(struct ieee80211_device *ieee, struct sk_buff *skb) +{ + int nh; + nh = (ieee->mgmt_queue_head +1) % MGMT_QUEUE_NUM; + +/* + * if the queue is full but we have newer frames then + * just overwrites the oldest. + * + * if (nh == ieee->mgmt_queue_tail) + * return -1; + */ + ieee->mgmt_queue_head = nh; + ieee->mgmt_queue_ring[nh] = skb; + + //return 0; +} + +struct sk_buff *dequeue_mgmt(struct ieee80211_device *ieee) +{ + struct sk_buff *ret; + + if(ieee->mgmt_queue_tail == ieee->mgmt_queue_head) + return NULL; + + ret = ieee->mgmt_queue_ring[ieee->mgmt_queue_tail]; + + ieee->mgmt_queue_tail = + (ieee->mgmt_queue_tail+1) % MGMT_QUEUE_NUM; + + return ret; +} + +void init_mgmt_queue(struct ieee80211_device *ieee) +{ + ieee->mgmt_queue_tail = ieee->mgmt_queue_head = 0; +} + + +void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl); + +inline void softmac_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee) +{ + unsigned long flags; + short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; + struct ieee80211_hdr_3addr *header= + (struct ieee80211_hdr_3addr *) skb->data; + + + spin_lock_irqsave(&ieee->lock, flags); + + /* called with 2nd param 0, no mgmt lock required */ + ieee80211_sta_wakeup(ieee,0); + + if(single){ + if(ieee->queue_stop){ + + enqueue_mgmt(ieee,skb); + }else{ + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + /* avoid watchdog triggers */ + ieee->dev->trans_start = jiffies; + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + } + + spin_unlock_irqrestore(&ieee->lock, flags); + }else{ + spin_unlock_irqrestore(&ieee->lock, flags); + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags); + + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + /* avoid watchdog triggers */ + ieee->dev->trans_start = jiffies; + ieee->softmac_hard_start_xmit(skb,ieee->dev); + + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags); + } +} + + +inline void softmac_ps_mgmt_xmit(struct sk_buff *skb, struct ieee80211_device *ieee) +{ + + short single = ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE; + struct ieee80211_hdr_3addr *header = + (struct ieee80211_hdr_3addr *) skb->data; + + + if(single){ + + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + /* avoid watchdog triggers */ + ieee->dev->trans_start = jiffies; + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + + }else{ + + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + /* avoid watchdog triggers */ + ieee->dev->trans_start = jiffies; + ieee->softmac_hard_start_xmit(skb,ieee->dev); + + } +// dev_kfree_skb_any(skb);//edit by thomas +} +//by amy for power save +inline struct sk_buff *ieee80211_disassociate_skb( + struct ieee80211_network *beacon, + struct ieee80211_device *ieee, + u8 asRsn) +{ + struct sk_buff *skb; + struct ieee80211_disassoc_frame *disass; + + skb = dev_alloc_skb(sizeof(struct ieee80211_disassoc_frame)); + if (!skb) + return NULL; + + disass = (struct ieee80211_disassoc_frame *) skb_put(skb,sizeof(struct ieee80211_disassoc_frame)); + disass->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_DISASSOC); + disass->header.duration_id = 0; + + memcpy(disass->header.addr1, beacon->bssid, ETH_ALEN); + memcpy(disass->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(disass->header.addr3, beacon->bssid, ETH_ALEN); + + disass->reasoncode = asRsn; + return skb; +} +void +SendDisassociation( + struct ieee80211_device *ieee, + u8* asSta, + u8 asRsn +) +{ + struct ieee80211_network *beacon = &ieee->current_network; + struct sk_buff *skb; + skb = ieee80211_disassociate_skb(beacon,ieee,asRsn); + if (skb){ + softmac_mgmt_xmit(skb, ieee); + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +//by amy for power save +inline struct sk_buff *ieee80211_probe_req(struct ieee80211_device *ieee) +{ + unsigned int len,rate_len; + u8 *tag; + struct sk_buff *skb; + struct ieee80211_probe_request *req; + +#ifdef _RTL8187_EXT_PATCH_ + short extMore = 0; + if(ieee->ext_patch_ieee80211_probe_req_1) + extMore = ieee->ext_patch_ieee80211_probe_req_1(ieee); +#endif + + len = ieee->current_network.ssid_len; + + rate_len = ieee80211_MFIE_rate_len(ieee); + +#ifdef _RTL8187_EXT_PATCH_ + if(!extMore) +#endif + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len); +#ifdef _RTL8187_EXT_PATCH_ + else + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len+128); // MESHID + CAP +#endif + + if (!skb) + return NULL; + + req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request)); + req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + req->header.duration_id = 0; //FIXME: is this OK ? + + memset(req->header.addr1, 0xff, ETH_ALEN); + memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memset(req->header.addr3, 0xff, ETH_ALEN); + + tag = (u8 *) skb_put(skb,len+2+rate_len); + + *tag++ = MFIE_TYPE_SSID; + *tag++ = len; + memcpy(tag, ieee->current_network.ssid, len); + tag += len; + ieee80211_MFIE_Brate(ieee,&tag); + ieee80211_MFIE_Grate(ieee,&tag); + +#ifdef _RTL8187_EXT_PATCH_ + if(extMore) + ieee->ext_patch_ieee80211_probe_req_2(ieee, skb, tag); +#endif + return skb; +} + +struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee); + +//#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) +//void ext_ieee80211_send_beacon_wq(struct work_struct *work) +//{ +// struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ext_send_beacon_wq); +//#else +void ext_ieee80211_send_beacon_wq(struct ieee80211_device *ieee) +{ +//#endif + + struct sk_buff *skb; + + //unsigned long flags; + + skb = ieee80211_get_beacon_(ieee); + + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_beacons++; + dev_kfree_skb_any(skb);//edit by thomas + } + + + //printk(KERN_WARNING "[1] beacon sending!\n"); + ieee->beacon_timer.expires = jiffies + + (MSECS( ieee->current_network.beacon_interval -5)); + + //spin_lock_irqsave(&ieee->beacon_lock,flags); + if(ieee->beacon_txing) + add_timer(&ieee->beacon_timer); + //spin_unlock_irqrestore(&ieee->beacon_lock,flags); +} + +void ieee80211_send_beacon(struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + + //unsigned long flags; + + skb = ieee80211_get_beacon_(ieee); + + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_beacons++; + dev_kfree_skb_any(skb);//edit by thomas + } + + //printk(KERN_WARNING "[1] beacon sending!\n"); + ieee->beacon_timer.expires = jiffies + + (MSECS( ieee->current_network.beacon_interval -5)); + + //spin_lock_irqsave(&ieee->beacon_lock,flags); + if(ieee->beacon_txing) + add_timer(&ieee->beacon_timer); + //spin_unlock_irqrestore(&ieee->beacon_lock,flags); +} + + +void ieee80211_send_beacon_cb(unsigned long _ieee) +{ + struct ieee80211_device *ieee = + (struct ieee80211_device *) _ieee; + unsigned long flags; + + spin_lock_irqsave(&ieee->beacon_lock, flags); + ieee80211_send_beacon(ieee); + spin_unlock_irqrestore(&ieee->beacon_lock, flags); +} + +#ifdef _RTL8187_EXT_PATCH_ + +inline struct sk_buff *ieee80211_probe_req_with_SSID(struct ieee80211_device *ieee, char *ssid, int len_ssid) +{ + unsigned int len,rate_len; + u8 *tag; + struct sk_buff *skb; + struct ieee80211_probe_request *req; + +#ifdef _RTL8187_EXT_PATCH_ + short extMore = 0; + if(ieee->ext_patch_ieee80211_probe_req_1) + extMore = ieee->ext_patch_ieee80211_probe_req_1(ieee); +#endif + + len = len_ssid; + + rate_len = ieee80211_MFIE_rate_len(ieee); + +#ifdef _RTL8187_EXT_PATCH_ + if(!extMore) +#endif + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len); +#ifdef _RTL8187_EXT_PATCH_ + else + skb = dev_alloc_skb(sizeof(struct ieee80211_probe_request) + + 2 + len + rate_len+128); // MESHID + CAP +#endif + + if (!skb) + return NULL; + + req = (struct ieee80211_probe_request *) skb_put(skb,sizeof(struct ieee80211_probe_request)); + req->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); + req->header.duration_id = 0; //FIXME: is this OK ? + + memset(req->header.addr1, 0xff, ETH_ALEN); + memcpy(req->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memset(req->header.addr3, 0xff, ETH_ALEN); + + tag = (u8 *) skb_put(skb,len+2+rate_len); + + *tag++ = MFIE_TYPE_SSID; + *tag++ = len; + if(len) + { + memcpy(tag, ssid, len); + tag += len; + } + + ieee80211_MFIE_Brate(ieee,&tag); + ieee80211_MFIE_Grate(ieee,&tag); + +#ifdef _RTL8187_EXT_PATCH_ + if(extMore) + ieee->ext_patch_ieee80211_probe_req_2(ieee, skb, tag); +#endif + return skb; +} + +#endif // _RTL8187_EXT_PATCH_ + + +void ieee80211_send_probe(struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + skb = ieee80211_probe_req_with_SSID(ieee, NULL, 0); + else +#endif + skb = ieee80211_probe_req(ieee); + if (skb){ + softmac_mgmt_xmit(skb, ieee); + ieee->softmac_stats.tx_probe_rq++; + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +void ieee80211_send_probe_requests(struct ieee80211_device *ieee) +{ + if (ieee->active_scan && (ieee->softmac_features & IEEE_SOFTMAC_PROBERQ)){ + ieee80211_send_probe(ieee); + ieee80211_send_probe(ieee); + } +} + +/* this performs syncro scan blocking the caller until all channels + * in the allowed channel map has been checked. + */ +void ieee80211_softmac_scan_syncro(struct ieee80211_device *ieee) +{ + short ch = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif + down(&ieee->scan_sem); +// printk("==================> Sync scan\n"); +// dump_chnl_map(channel_map); + + while(1) + { + + do{ + ch++; + if (ch > MAX_CHANNEL_NUMBER) + goto out; /* scan completed */ + +#ifdef ENABLE_DOT11D + }while(!channel_map[ch]); +#else + }while(!ieee->channel_map[ch]); +#endif + /* this fuction can be called in two situations + * 1- We have switched to ad-hoc mode and we are + * performing a complete syncro scan before conclude + * there are no interesting cell and to create a + * new one. In this case the link state is + * IEEE80211_NOLINK until we found an interesting cell. + * If so the ieee8021_new_net, called by the RX path + * will set the state to IEEE80211_LINKED, so we stop + * scanning + * 2- We are linked and the root uses run iwlist scan. + * So we switch to IEEE80211_LINKED_SCANNING to remember + * that we are still logically linked (not interested in + * new network events, despite for updating the net list, + * but we are temporarly 'unlinked' as the driver shall + * not filter RX frames and the channel is changing. + * So the only situation in witch are interested is to check + * if the state become LINKED because of the #1 situation + */ + + if (ieee->state == IEEE80211_LINKED) + goto out; + + ieee->set_chan(ieee->dev, ch); +// printk("=====>channel=%d ",ch); +#ifdef ENABLE_DOT11D + if(channel_map[ch] == 1) +#endif + { +// printk("====send probe request\n"); + ieee80211_send_probe_requests(ieee); + } + /* this prevent excessive time wait when we + * need to wait for a syncro scan to end.. + */ + if (ieee->sync_scan_hurryup) + goto out; + + + msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME); + + } +out: + ieee->sync_scan_hurryup = 0; + up(&ieee->scan_sem); +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif +} + +void ieee80211_softmac_ips_scan_syncro(struct ieee80211_device *ieee) +{ + int ch; + unsigned int watch_dog = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif + down(&ieee->scan_sem); + ch = ieee->current_network.channel; +// if(ieee->sync_scan_hurryup) +// { + +// printk("stop scan sync\n"); +// goto out; +// } +// printk("=======hh===============>ips scan\n"); + while(1) + { + /* this fuction can be called in two situations + * 1- We have switched to ad-hoc mode and we are + * performing a complete syncro scan before conclude + * there are no interesting cell and to create a + * new one. In this case the link state is + * IEEE80211_NOLINK until we found an interesting cell. + * If so the ieee8021_new_net, called by the RX path + * will set the state to IEEE80211_LINKED, so we stop + * scanning + * 2- We are linked and the root uses run iwlist scan. + * So we switch to IEEE80211_LINKED_SCANNING to remember + * that we are still logically linked (not interested in + * new network events, despite for updating the net list, + * but we are temporarly 'unlinked' as the driver shall + * not filter RX frames and the channel is changing. + * So the only situation in witch are interested is to check + * if the state become LINKED because of the #1 situation + */ + if (ieee->state == IEEE80211_LINKED) + { + goto out; + } +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] > 0) +#endif + { + ieee->set_chan(ieee->dev, ieee->current_network.channel); +// printk("======>channel=%d ",ieee->current_network.channel); + } +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] == 1) +#endif + { +// printk("====send probe request\n"); + ieee80211_send_probe_requests(ieee); + } + /* this prevent excessive time wait when we + * need to wait for a syncro scan to end.. + */ +// if (ieee->sync_scan_hurryup) +// goto out; + + msleep_interruptible_rtl(IEEE80211_SOFTMAC_SCAN_TIME); + + do{ + if (watch_dog++ >= MAX_CHANNEL_NUMBER) + // if (++watch_dog >= 15);//MAX_CHANNEL_NUMBER) //YJ,modified,080630 + goto out; /* scan completed */ + + ieee->current_network.channel = (ieee->current_network.channel + 1)%MAX_CHANNEL_NUMBER; +#ifdef ENABLE_DOT11D + }while(!channel_map[ieee->current_network.channel]); +#else + }while(!ieee->channel_map[ieee->current_network.channel]); +#endif + } +out: + //ieee->sync_scan_hurryup = 0; + //ieee->set_chan(ieee->dev, ch); + //ieee->current_network.channel = ch; + ieee->actscanning = false; + up(&ieee->scan_sem); +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif +} + + +#if 0 +/* called both by wq with ieee->lock held */ +void ieee80211_softmac_scan(struct ieee80211_device *ieee) +{ + short watchdog = 0; + + do{ + ieee->current_network.channel = + (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; + if (watchdog++ > MAX_CHANNEL_NUMBER) + return; /* no good chans */ + + }while(!ieee->channel_map[ieee->current_network.channel]); + + + schedule_work(&ieee->softmac_scan_wq); +} +#endif +#ifdef ENABLE_IPS +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_softmac_scan_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, softmac_scan_wq); +#else +void ieee80211_softmac_scan_wq(struct ieee80211_device *ieee) +{ +#endif + static short watchdog = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif +// printk("ieee80211_softmac_scan_wq ENABLE_IPS\n"); +// printk("in %s\n",__func__); + down(&ieee->scan_sem); + + do{ + ieee->current_network.channel = + (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; + if (watchdog++ > MAX_CHANNEL_NUMBER) + goto out; /* no good chans */ + +#ifdef ENABLE_DOT11D + }while(!channel_map[ieee->current_network.channel]); +#else + }while(!ieee->channel_map[ieee->current_network.channel]); +#endif + + //printk("current_network.channel:%d\n", ieee->current_network.channel); + if (ieee->scanning == 0 ) + { + printk("error out, scanning = 0\n"); + goto out; + } + ieee->set_chan(ieee->dev, ieee->current_network.channel); +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] == 1) +#endif + ieee80211_send_probe_requests(ieee); + + queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME); + up(&ieee->scan_sem); + return; +out: + ieee->actscanning = false; + watchdog = 0; + ieee->scanning = 0; + up(&ieee->scan_sem); + +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif + return; +} +#else +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_softmac_scan_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, softmac_scan_wq); +#else +void ieee80211_softmac_scan_wq(struct ieee80211_device *ieee) +{ +#endif + + short watchdog = 0; +#ifdef ENABLE_DOT11D + u8 channel_map[MAX_CHANNEL_NUMBER+1]; + memcpy(channel_map, GET_DOT11D_INFO(ieee)->channel_map, MAX_CHANNEL_NUMBER+1); +#endif +// printk("enter scan wq,watchdog is %d\n",watchdog); + down(&ieee->scan_sem); + + do{ + ieee->current_network.channel = + (ieee->current_network.channel + 1) % MAX_CHANNEL_NUMBER; + if (watchdog++ > MAX_CHANNEL_NUMBER) + goto out; /* no good chans */ + +#ifdef ENABLE_DOT11D + }while(!channel_map[ieee->current_network.channel]); +#else + }while(!ieee->channel_map[ieee->current_network.channel]); +#endif + +// printk("current_network.channel:%d\n", ieee->current_network.channel); + if (ieee->scanning == 0 ) + { + printk("error out, scanning = 0\n"); + goto out; + } + ieee->set_chan(ieee->dev, ieee->current_network.channel); +#ifdef ENABLE_DOT11D + if(channel_map[ieee->current_network.channel] == 1) +#endif + ieee80211_send_probe_requests(ieee); + + queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq, IEEE80211_SOFTMAC_SCAN_TIME); +out: + up(&ieee->scan_sem); +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + DOT11D_ScanComplete(ieee); +#endif +} + +#endif +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0) +void ieee80211_softmac_scan_cb(unsigned long _dev) +{ + unsigned long flags; + struct ieee80211_device *ieee = (struct ieee80211_device *)_dev; + + spin_lock_irqsave(&ieee->lock, flags); + ieee80211_softmac_scan(ieee); + spin_unlock_irqrestore(&ieee->lock, flags); +} +#endif + + +void ieee80211_beacons_start(struct ieee80211_device *ieee) +{ + unsigned long flags; + + spin_lock_irqsave(&ieee->beacon_lock,flags); + + ieee->beacon_txing = 1; + ieee80211_send_beacon(ieee); + + spin_unlock_irqrestore(&ieee->beacon_lock,flags); +} + +void ieee80211_beacons_stop(struct ieee80211_device *ieee) +{ + unsigned long flags; + + spin_lock_irqsave(&ieee->beacon_lock,flags); + + ieee->beacon_txing = 0; + del_timer_sync(&ieee->beacon_timer); + + spin_unlock_irqrestore(&ieee->beacon_lock,flags); + +} + + +void ieee80211_stop_send_beacons(struct ieee80211_device *ieee) +{ + if(ieee->stop_send_beacons) + ieee->stop_send_beacons(ieee->dev); + if (ieee->softmac_features & IEEE_SOFTMAC_BEACONS) + ieee80211_beacons_stop(ieee); +} + + +void ieee80211_start_send_beacons(struct ieee80211_device *ieee) +{ + if(ieee->start_send_beacons) + ieee->start_send_beacons(ieee->dev); + if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS) + ieee80211_beacons_start(ieee); +} + + +void ieee80211_softmac_stop_scan(struct ieee80211_device *ieee) +{ +// unsigned long flags; + + //ieee->sync_scan_hurryup = 1; + + down(&ieee->scan_sem); +// spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->scanning == 1){ + ieee->scanning = 0; + //del_timer_sync(&ieee->scan_timer); + cancel_delayed_work(&ieee->softmac_scan_wq); + } + +// spin_unlock_irqrestore(&ieee->lock, flags); + up(&ieee->scan_sem); +} + +void ieee80211_stop_scan(struct ieee80211_device *ieee) +{ + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) + ieee80211_softmac_stop_scan(ieee); + else + ieee->stop_scan(ieee->dev); +} + +/* called with ieee->lock held */ +void ieee80211_start_scan(struct ieee80211_device *ieee) +{ +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee) ) + { + if(IS_COUNTRY_IE_VALID(ieee)) + { + RESET_CIE_WATCHDOG(ieee); + } + } +#endif + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN){ + if (ieee->scanning == 0) + { + ieee->scanning = 1; + //ieee80211_softmac_scan(ieee); + // queue_work(ieee->wq, &ieee->softmac_scan_wq); + //care this,1203,2007,by lawrence +#if 1 + queue_delayed_work(ieee->wq, &ieee->softmac_scan_wq,0); +#endif + } + }else + ieee->start_scan(ieee->dev); + +} + +/* called with wx_sem held */ +void ieee80211_start_scan_syncro(struct ieee80211_device *ieee) +{ +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee) ) + { + if(IS_COUNTRY_IE_VALID(ieee)) + { + RESET_CIE_WATCHDOG(ieee); + } + } +#endif + ieee->sync_scan_hurryup = 0; + + if (ieee->softmac_features & IEEE_SOFTMAC_SCAN) + ieee80211_softmac_scan_syncro(ieee); + else + ieee->scan_syncro(ieee->dev); + +} + +inline struct sk_buff *ieee80211_authentication_req(struct ieee80211_network *beacon, + struct ieee80211_device *ieee, int challengelen) +{ + struct sk_buff *skb; + struct ieee80211_authentication *auth; + + skb = dev_alloc_skb(sizeof(struct ieee80211_authentication) + challengelen); + + if (!skb) return NULL; + + auth = (struct ieee80211_authentication *) + skb_put(skb, sizeof(struct ieee80211_authentication)); + + auth->header.frame_ctl = IEEE80211_STYPE_AUTH; + if (challengelen) auth->header.frame_ctl |= IEEE80211_FCTL_WEP; + + auth->header.duration_id = 0x013a; //FIXME + + memcpy(auth->header.addr1, beacon->bssid, ETH_ALEN); + memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(auth->header.addr3, beacon->bssid, ETH_ALEN); + + auth->algorithm = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; + + auth->transaction = cpu_to_le16(ieee->associate_seq); + ieee->associate_seq++; + + auth->status = cpu_to_le16(WLAN_STATUS_SUCCESS); + + return skb; + +} + +static struct sk_buff* ieee80211_probe_resp(struct ieee80211_device *ieee, u8 *dest) +{ + u8 *tag; + int beacon_size; + struct ieee80211_probe_response *beacon_buf; + struct sk_buff *skb; + int encrypt; + int atim_len,erp_len; + struct ieee80211_crypt_data* crypt; + + char *ssid = ieee->current_network.ssid; + int ssid_len = ieee->current_network.ssid_len; + int rate_len = ieee->current_network.rates_len+2; + int rate_ex_len = ieee->current_network.rates_ex_len; + int wpa_ie_len = ieee->wpa_ie_len; + if(rate_ex_len > 0) rate_ex_len+=2; + + if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS) + atim_len = 4; + else + atim_len = 0; + + if(ieee80211_is_54g(ieee->current_network)) + erp_len = 3; + else + erp_len = 0; + + beacon_size = sizeof(struct ieee80211_probe_response)+ + ssid_len + +3 //channel + +rate_len + +rate_ex_len + +atim_len + +wpa_ie_len + +erp_len; + + skb = dev_alloc_skb(beacon_size); + + if (!skb) + return NULL; + + beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, beacon_size); + + memcpy (beacon_buf->header.addr1, dest,ETH_ALEN); + memcpy (beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy (beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN); + + beacon_buf->header.duration_id = 0; //FIXME + beacon_buf->beacon_interval = + cpu_to_le16(ieee->current_network.beacon_interval); + beacon_buf->capability = + cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS); + + if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT)) + cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT)); + + crypt = ieee->crypt[ieee->tx_keyidx]; + + encrypt = ieee->host_encrypt && crypt && crypt->ops && + ((0 == strcmp(crypt->ops->name, "WEP")) || wpa_ie_len); + + if (encrypt) + beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + + beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP); + + beacon_buf->info_element.id = MFIE_TYPE_SSID; + beacon_buf->info_element.len = ssid_len; + + tag = (u8*) beacon_buf->info_element.data; + + memcpy(tag, ssid, ssid_len); + + tag += ssid_len; + + *(tag++) = MFIE_TYPE_RATES; + *(tag++) = rate_len-2; + memcpy(tag,ieee->current_network.rates,rate_len-2); + tag+=rate_len-2; + + *(tag++) = MFIE_TYPE_DS_SET; + *(tag++) = 1; + *(tag++) = ieee->current_network.channel; + + if(atim_len){ + *(tag++) = MFIE_TYPE_IBSS_SET; + *(tag++) = 2; + *((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window); + tag+=2; + } + + if(erp_len){ + *(tag++) = MFIE_TYPE_ERP; + *(tag++) = 1; + *(tag++) = 0; + } + + if(rate_ex_len){ + *(tag++) = MFIE_TYPE_RATES_EX; + *(tag++) = rate_ex_len-2; + memcpy(tag,ieee->current_network.rates_ex,rate_ex_len-2); + tag+=rate_ex_len-2; + } + + if (wpa_ie_len) + { + if (ieee->iw_mode == IW_MODE_ADHOC) + {//as Windows will set pairwise key same as the group key which is not allowed in Linux, so set this for IOT issue. WB 2008.07.07 + memcpy(&ieee->wpa_ie[14], &ieee->wpa_ie[8], 4); + } + + memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len); + } + + skb->dev = ieee->dev; + return skb; +} +#ifdef _RTL8187_EXT_PATCH_ +struct sk_buff* ieee80211_ext_probe_resp_by_net(struct ieee80211_device *ieee, u8 *dest, struct ieee80211_network *net) +{ + u8 *tag; + int beacon_size; + struct ieee80211_probe_response *beacon_buf; + struct sk_buff *skb; + int encrypt; + int atim_len,erp_len; + struct ieee80211_crypt_data* crypt; + u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff}; + int wpa_ie_len = ieee->wpa_ie_len; + char *ssid = net->ssid; + int ssid_len = net->ssid_len; + + int rate_len = ieee->current_network.rates_len+2; + int rate_ex_len = ieee->current_network.rates_ex_len; + if(rate_ex_len > 0) rate_ex_len+=2; + + if( ieee->meshScanMode&4) + ieee->current_network.channel = ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee); + if( ieee->meshScanMode&6) + { + +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + queue_work(ieee->wq, &ieee->ext_stop_scan_wq); +#else + schedule_task(&ieee->ext_stop_scan_wq); +#endif + } + if(ieee->current_network.capability & WLAN_CAPABILITY_IBSS) // use current_network here + atim_len = 4; + else + atim_len = 0; + + if(ieee80211_is_54g(*net)) + erp_len = 3; + else + erp_len = 0; + + beacon_size = sizeof(struct ieee80211_probe_response)+ + ssid_len + +3 //channel + +rate_len + +rate_ex_len + +atim_len + +erp_len; +//b + skb = dev_alloc_skb(beacon_size+196); + + if (!skb) + return NULL; + + beacon_buf = (struct ieee80211_probe_response*) skb_put(skb, beacon_size); + + memcpy (beacon_buf->header.addr1, dest,ETH_ALEN); + memcpy (beacon_buf->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy (beacon_buf->header.addr3, ieee->current_network.bssid, ETH_ALEN); + + beacon_buf->header.duration_id = 0; //FIXME + + beacon_buf->beacon_interval = + cpu_to_le16(ieee->current_network.beacon_interval); // use current_network here + beacon_buf->capability = + cpu_to_le16(ieee->current_network.capability & WLAN_CAPABILITY_IBSS); + + if(ieee->short_slot && (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT)) + cpu_to_le16((beacon_buf->capability |= WLAN_CAPABILITY_SHORT_SLOT)); + + crypt = ieee->crypt[ieee->tx_keyidx]; + + encrypt = ieee->host_encrypt && crypt && crypt->ops && + ((0 == strcmp(crypt->ops->name, "WEP"))||wpa_ie_len); + + if (encrypt) + beacon_buf->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + + beacon_buf->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_RESP); + + beacon_buf->info_element.id = MFIE_TYPE_SSID; + beacon_buf->info_element.len = ssid_len; + + tag = (u8*) beacon_buf->info_element.data; + + // brocad cast / probe rsp + if(memcmp(dest, broadcast_addr, ETH_ALEN )) + memcpy(tag, ssid, ssid_len); + else + ssid_len=0; + + tag += ssid_len; + +//get_bssrate_set(priv, _SUPPORTEDRATES_IE_, &pbssrate, &bssrate_len); +//pbuf = set_ie(pbuf, _SUPPORTEDRATES_IE_, bssrate_len, pbssrate, &frlen); + + *(tag++) = MFIE_TYPE_RATES; + *(tag++) = rate_len-2; + memcpy(tag,ieee->current_network.rates,rate_len-2); + tag+=rate_len-2; + + *(tag++) = MFIE_TYPE_DS_SET; + *(tag++) = 1; + *(tag++) = ieee->current_network.channel; // use current_network here + + + if(atim_len){ + *(tag++) = MFIE_TYPE_IBSS_SET; + *(tag++) = 2; + *((u16*)(tag)) = cpu_to_le16(ieee->current_network.atim_window); // use current_network here + tag+=2; + } + + if(erp_len){ + *(tag++) = MFIE_TYPE_ERP; + *(tag++) = 1; + *(tag++) = 0; + } + + if(rate_ex_len){ + *(tag++) = MFIE_TYPE_RATES_EX; + *(tag++) = rate_ex_len-2; + memcpy(tag,ieee->current_network.rates_ex,rate_ex_len-2); + tag+=rate_ex_len-2; + } + if (wpa_ie_len) + memcpy(tag, ieee->wpa_ie, ieee->wpa_ie_len); + + skb->dev = ieee->dev; + return skb; +} +#endif // _RTL8187_EXT_PATCH_ + +struct sk_buff* ieee80211_assoc_resp(struct ieee80211_device *ieee, u8 *dest) +{ + struct sk_buff *skb; + u8* tag; + + struct ieee80211_crypt_data* crypt; + struct ieee80211_assoc_response_frame *assoc; + short encrypt; + + unsigned int rate_len = ieee80211_MFIE_rate_len(ieee); + int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len; + + skb = dev_alloc_skb(len); + + if (!skb) + return NULL; + + assoc = (struct ieee80211_assoc_response_frame *) + skb_put(skb,sizeof(struct ieee80211_assoc_response_frame)); + + assoc->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_ASSOC_RESP); + memcpy(assoc->header.addr1, dest,ETH_ALEN); + memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN); + memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ? + WLAN_CAPABILITY_BSS : WLAN_CAPABILITY_IBSS); + + + if(ieee->short_slot) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); + + if (ieee->host_encrypt) + crypt = ieee->crypt[ieee->tx_keyidx]; + else crypt = NULL; + + encrypt = ( crypt && crypt->ops); + + if (encrypt) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + assoc->status = 0; + assoc->aid = cpu_to_le16(ieee->assoc_id); + if (ieee->assoc_id == 0x2007) ieee->assoc_id=0; + else ieee->assoc_id++; + + tag = (u8*) skb_put(skb, rate_len); + + ieee80211_MFIE_Brate(ieee, &tag); + ieee80211_MFIE_Grate(ieee, &tag); + + return skb; +} + +struct sk_buff* ieee80211_auth_resp(struct ieee80211_device *ieee,int status, u8 *dest) +{ + struct sk_buff *skb; + struct ieee80211_authentication *auth; + + skb = dev_alloc_skb(sizeof(struct ieee80211_authentication)+1); + + if (!skb) + return NULL; + + skb->len = sizeof(struct ieee80211_authentication); + + auth = (struct ieee80211_authentication *)skb->data; + + auth->status = cpu_to_le16(status); + auth->transaction = cpu_to_le16(2); + auth->algorithm = cpu_to_le16(WLAN_AUTH_OPEN); + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + memcpy(auth->header.addr3, dest, ETH_ALEN); +#else + memcpy(auth->header.addr3, ieee->dev->dev_addr, ETH_ALEN); +#endif + memcpy(auth->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(auth->header.addr1, dest, ETH_ALEN); + auth->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_AUTH); + return skb; + + +} + +struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr) +{ + struct sk_buff *skb; + struct ieee80211_hdr_3addr* hdr; + + skb = dev_alloc_skb(sizeof(struct ieee80211_hdr_3addr)); + + if (!skb) + return NULL; + + hdr = (struct ieee80211_hdr_3addr*)skb_put(skb,sizeof(struct ieee80211_hdr_3addr)); + + memcpy(hdr->addr1, ieee->current_network.bssid, ETH_ALEN); + memcpy(hdr->addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(hdr->addr3, ieee->current_network.bssid, ETH_ALEN); + + hdr->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | + IEEE80211_STYPE_NULLFUNC | IEEE80211_FCTL_TODS | + (pwr ? IEEE80211_FCTL_PM:0)); + + return skb; + + +} + + +void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest) +{ + struct sk_buff *buf = ieee80211_assoc_resp(ieee, dest); + + if (buf){ + softmac_mgmt_xmit(buf, ieee); + dev_kfree_skb_any(buf);//edit by thomas + } +} + + +void ieee80211_resp_to_auth(struct ieee80211_device *ieee, int s, u8* dest) +{ + struct sk_buff *buf = ieee80211_auth_resp(ieee, s, dest); + + if (buf){ + softmac_mgmt_xmit(buf, ieee); + dev_kfree_skb_any(buf);//edit by thomas + } +} + + +void ieee80211_resp_to_probe(struct ieee80211_device *ieee, u8 *dest) +{ + + struct sk_buff *buf = ieee80211_probe_resp(ieee, dest); + + if (buf) { + softmac_mgmt_xmit(buf, ieee); + dev_kfree_skb_any(buf);//edit by thomas + } +} + + +inline struct sk_buff *ieee80211_association_req(struct ieee80211_network *beacon,struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + //unsigned long flags; + + struct ieee80211_assoc_request_frame *hdr; + u8 *tag; + //short info_addr = 0; + //int i; + //u16 suite_count = 0; + //u8 suit_select = 0; + unsigned int wpa_len = beacon->wpa_ie_len; + //struct net_device *dev = ieee->dev; + //union iwreq_data wrqu; + //u8 *buff; + //u8 *p; +#if 1 + // for testing purpose + unsigned int rsn_len = beacon->rsn_ie_len; +#else + unsigned int rsn_len = beacon->rsn_ie_len - 4; +#endif + unsigned int rate_len = ieee80211_MFIE_rate_len(ieee); + unsigned int wmm_info_len = beacon->QoS_Enable?9:0; +#ifdef THOMAS_TURBO + unsigned int turbo_info_len = beacon->Turbo_Enable?9:0; +#endif + + u8 encry_proto = ieee->wpax_type_notify & 0xff; + //u8 pairwise_type = (ieee->wpax_type_notify >> 8) & 0xff; + //u8 authen_type = (ieee->wpax_type_notify >> 16) & 0xff; + + int len = 0; + + //[0] Notify type of encryption: WPA/WPA2 + //[1] pair wise type + //[2] authen type + if(ieee->wpax_type_set) { + if (IEEE_PROTO_WPA == encry_proto) { + rsn_len = 0; + } else if (IEEE_PROTO_RSN == encry_proto) { + wpa_len = 0; + } + } +#ifdef THOMAS_TURBO + len = sizeof(struct ieee80211_assoc_request_frame)+ + + beacon->ssid_len//essid tagged val + + rate_len//rates tagged val + + wpa_len + + rsn_len + + wmm_info_len + + turbo_info_len; +#else + len = sizeof(struct ieee80211_assoc_request_frame)+ + + beacon->ssid_len//essid tagged val + + rate_len//rates tagged val + + wpa_len + + rsn_len + + wmm_info_len; +#endif + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode) + skb = dev_alloc_skb(len+256); // stanley + else +#endif + skb = dev_alloc_skb(len); + + if (!skb) + return NULL; + + hdr = (struct ieee80211_assoc_request_frame *) + skb_put(skb, sizeof(struct ieee80211_assoc_request_frame)); + + + hdr->header.frame_ctl = IEEE80211_STYPE_ASSOC_REQ; + hdr->header.duration_id= 37; //FIXME + memcpy(hdr->header.addr1, beacon->bssid, ETH_ALEN); + memcpy(hdr->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + memcpy(hdr->header.addr3, beacon->bssid, ETH_ALEN); + memcpy(ieee->ap_mac_addr, beacon->bssid, ETH_ALEN);//for HW security, John + + hdr->capability = cpu_to_le16(WLAN_CAPABILITY_BSS); + if (beacon->capability & WLAN_CAPABILITY_PRIVACY ) + hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) + hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE); + + if(ieee->short_slot) + hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_association_req_1) + ieee->ext_patch_ieee80211_association_req_1(hdr); +#endif + + hdr->listen_interval = 0xa; //FIXME + + hdr->info_element.id = MFIE_TYPE_SSID; + + hdr->info_element.len = beacon->ssid_len; + tag = skb_put(skb, beacon->ssid_len); + memcpy(tag, beacon->ssid, beacon->ssid_len); + + tag = skb_put(skb, rate_len); + + ieee80211_MFIE_Brate(ieee, &tag); + ieee80211_MFIE_Grate(ieee, &tag); + + //add rsn==0 condition for ap's mix security mode(wpa+wpa2), john2007.8.9 + //choose AES encryption as default algorithm while using mixed mode +#if 0 + if(rsn_len == 0){ + + tag = skb_put(skb,wpa_len); + + if(wpa_len) { + + + //{add by david. 2006.8.31 + //fix linksys compatibility bug + //} + if(wpa_len > 24) {//22+2, mean include the capability + beacon->wpa_ie[wpa_len - 2] = 0; + } + //multicast cipher OUI + if( beacon->wpa_ie[11]==0x2 ){ //0x0050f202 is the oui of tkip + ieee->broadcast_key_type = KEY_TYPE_TKIP; + } + else if( beacon->wpa_ie[11]==0x4 ){//0x0050f204 is the oui of ccmp + ieee->broadcast_key_type = KEY_TYPE_CCMP; + } + //unicast cipher OUI + if( beacon->wpa_ie[14]==0 + && beacon->wpa_ie[15]==0x50 + && beacon->wpa_ie[16]==0xf2 + && beacon->wpa_ie[17]==0x2 ){ //0x0050f202 is the oui of tkip + ieee->pairwise_key_type = KEY_TYPE_TKIP; + } + + else if( beacon->wpa_ie[14]==0 + && beacon->wpa_ie[15]==0x50 + && beacon->wpa_ie[16]==0xf2 + && beacon->wpa_ie[17]==0x4 ){//0x0050f204 is the oui of ccmp + ieee->pairwise_key_type = KEY_TYPE_CCMP; + } + //indicate the wpa_ie content to WPA_SUPPLICANT + buff = kmalloc(IW_CUSTOM_MAX, GFP_ATOMIC); + memset(buff, 0, IW_CUSTOM_MAX); + p=buff; + p += sprintf(p, "ASSOCINFO(ReqIEs="); + for(i=0;i<wpa_len;i++){ + p += sprintf(p, "%02x", beacon->wpa_ie[i]); + } + p += sprintf(p, ")"); + memset(&wrqu, 0, sizeof(wrqu) ); + wrqu.data.length = p - buff; + + wireless_send_event(dev, IWEVCUSTOM, &wrqu, buff); + memcpy(tag,beacon->wpa_ie,wpa_len); + } + + } + + if(rsn_len > 22) { + + if( beacon->rsn_ie[4]==0x0 && + beacon->rsn_ie[5]==0xf && + beacon->rsn_ie[6]==0xac){ + + switch(beacon->rsn_ie[7]){ + case 0x1: + ieee->broadcast_key_type = KEY_TYPE_WEP40; + break; + case 0x2: + ieee->broadcast_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->broadcast_key_type = KEY_TYPE_CCMP; + break; + case 0x5: + ieee->broadcast_key_type = KEY_TYPE_WEP104; + break; + default: + printk("fault suite type in RSN broadcast key\n"); + break; + } + } + + if( beacon->rsn_ie[10]==0x0 && + beacon->rsn_ie[11]==0xf && + beacon->rsn_ie[12]==0xac){ + if(beacon->rsn_ie[8]==1){//not mixed mode + switch(beacon->rsn_ie[13]){ + case 0x2: + ieee->pairwise_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->pairwise_key_type = KEY_TYPE_CCMP; + break; + default: + printk("fault suite type in RSN pairwise key\n"); + break; + } + } + else if(beacon->rsn_ie[8]==2){//mixed mode + ieee->pairwise_key_type = KEY_TYPE_CCMP; + } + } + + + + tag = skb_put(skb,22); + memcpy(tag,(beacon->rsn_ie + info_addr),8); + tag[1] = 20; + tag += 8; + info_addr += 8; + + spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags); + for (i = 0; i < 2; i++) { + tag[0] = 1; + tag[1] = 0; + tag += 2; + suite_count = beacon->rsn_ie[info_addr] + \ + (beacon->rsn_ie[info_addr + 1] << 8); + info_addr += 2; + if(1 == suite_count) { + memcpy(tag,(beacon->rsn_ie + info_addr),4); + info_addr += 4; + } else { + // if the wpax_type_notify has been set by the application, + // just use it, otherwise just use the default one. + if(ieee->wpax_type_set) { + suit_select = ((0 == i) ? pairwise_type:authen_type)&0x0f ; + memcpy(tag,rsn_authen_cipher_suite[suit_select],4); + } else { + //default set as ccmp, or none authentication + if(i == 0) { + memcpy(tag,rsn_authen_cipher_suite[4],4); + } else { + memcpy(tag,rsn_authen_cipher_suite[2],4); + } + + } + + info_addr += (suite_count * 4); + } + tag += 4; + } + spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags); + + tag[0] = 0; + tag[1] = beacon->rsn_ie[info_addr+1]; + + } else { + tag = skb_put(skb,rsn_len); + if(rsn_len) { + + + if( beacon->rsn_ie[4]==0x0 && + beacon->rsn_ie[5]==0xf && + beacon->rsn_ie[6]==0xac){ + switch(beacon->rsn_ie[7]){ + case 0x1: + ieee->broadcast_key_type = KEY_TYPE_WEP40; + break; + case 0x2: + ieee->broadcast_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->broadcast_key_type = KEY_TYPE_CCMP; + break; + case 0x5: + ieee->broadcast_key_type = KEY_TYPE_WEP104; + break; + default: + printk("fault suite type in RSN broadcast key\n"); + break; + } + } + if( beacon->rsn_ie[10]==0x0 && + beacon->rsn_ie[11]==0xf && + beacon->rsn_ie[12]==0xac){ + if(beacon->rsn_ie[8]==1){//not mixed mode + switch(beacon->rsn_ie[13]){ + case 0x2: + ieee->pairwise_key_type = KEY_TYPE_TKIP; + break; + case 0x4: + ieee->pairwise_key_type = KEY_TYPE_CCMP; + break; + default: + printk("fault suite type in RSN pairwise key\n"); + break; + } + + } + else if(beacon->rsn_ie[8]==2){//mixed mode + ieee->pairwise_key_type = KEY_TYPE_CCMP; + } + } + + + beacon->rsn_ie[rsn_len - 2] = 0; + memcpy(tag,beacon->rsn_ie,rsn_len); + } + } +#else + tag = skb_put(skb,ieee->wpa_ie_len); + memcpy(tag,ieee->wpa_ie,ieee->wpa_ie_len); +#endif + tag = skb_put(skb,wmm_info_len); + if(wmm_info_len) { + ieee80211_WMM_Info(ieee, &tag); + } +#ifdef THOMAS_TURBO + tag = skb_put(skb,turbo_info_len); + if(turbo_info_len) { + ieee80211_TURBO_Info(ieee, &tag); + } +#endif + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_association_req_2) + ieee->ext_patch_ieee80211_association_req_2(ieee, beacon, skb); +#endif + + return skb; +} + +void ieee80211_associate_abort(struct ieee80211_device *ieee) +{ + + unsigned long flags; + spin_lock_irqsave(&ieee->lock, flags); + + ieee->associate_seq++; + + /* don't scan, and avoid to have the RX path possibily + * try again to associate. Even do not react to AUTH or + * ASSOC response. Just wait for the retry wq to be scheduled. + * Here we will check if there are good nets to associate + * with, so we retry or just get back to NO_LINK and scanning + */ + if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING){ + IEEE80211_DEBUG_MGMT("Authentication failed\n"); + ieee->softmac_stats.no_auth_rs++; + }else{ + IEEE80211_DEBUG_MGMT("Association failed\n"); + ieee->softmac_stats.no_ass_rs++; + } + + ieee->state = IEEE80211_ASSOCIATING_RETRY; + + queue_delayed_work(ieee->wq, &ieee->associate_retry_wq,IEEE80211_SOFTMAC_ASSOC_RETRY_TIME); + + spin_unlock_irqrestore(&ieee->lock, flags); +} + +void ieee80211_associate_abort_cb(unsigned long dev) +{ + ieee80211_associate_abort((struct ieee80211_device *) dev); +} + + +void ieee80211_associate_step1(struct ieee80211_device *ieee) +{ + struct ieee80211_network *beacon = &ieee->current_network; + struct sk_buff *skb; + + IEEE80211_DEBUG_MGMT("Stopping scan\n"); + ieee->softmac_stats.tx_auth_rq++; + skb=ieee80211_authentication_req(beacon, ieee, 0); +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->iw_mode == ieee->iw_ext_mode ) { + if(skb) + softmac_mgmt_xmit(skb, ieee); + return; + }else +#endif + if (!skb){ + + ieee80211_associate_abort(ieee); + } + else{ + ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATING ; + IEEE80211_DEBUG_MGMT("Sending authentication request\n"); + //printk("---Sending authentication request\n"); + softmac_mgmt_xmit(skb, ieee); + //BUGON when you try to add_timer twice, using mod_timer may be better, john0709 + if(!timer_pending(&ieee->associate_timer)){ + ieee->associate_timer.expires = jiffies + (HZ / 2); + add_timer(&ieee->associate_timer); + } + //If call dev_kfree_skb_any,a warning will ocur.... + //KERNEL: assertion (!atomic_read(&skb->users)) failed at net/core/dev.c (1708) + //So ... 1204 by lawrence. + //printk("\nIn %s,line %d call kfree skb.",__func__,__LINE__); + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +void ieee80211_auth_challenge(struct ieee80211_device *ieee, u8 *challenge, int chlen) +{ + u8 *c; + struct sk_buff *skb; + struct ieee80211_network *beacon = &ieee->current_network; +// int hlen = sizeof(struct ieee80211_authentication); + del_timer_sync(&ieee->associate_timer); + ieee->associate_seq++; + ieee->softmac_stats.tx_auth_rq++; + + skb = ieee80211_authentication_req(beacon, ieee, chlen+2); + if (!skb) + ieee80211_associate_abort(ieee); + else{ + c = skb_put(skb, chlen+2); + *(c++) = MFIE_TYPE_CHALLENGE; + *(c++) = chlen; + memcpy(c, challenge, chlen); + + IEEE80211_DEBUG_MGMT("Sending authentication challenge response\n"); + + ieee80211_encrypt_fragment(ieee, skb, sizeof(struct ieee80211_hdr_3addr )); + + softmac_mgmt_xmit(skb, ieee); + if (!timer_pending(&ieee->associate_timer)){ + //printk("=========>add timer again, to crash\n"); + ieee->associate_timer.expires = jiffies + (HZ / 2); + add_timer(&ieee->associate_timer); + } + dev_kfree_skb_any(skb);//edit by thomas + } + kfree(challenge); +} + +#ifdef _RTL8187_EXT_PATCH_ + +// based on ieee80211_assoc_resp +struct sk_buff* ieee80211_assoc_resp_by_net(struct ieee80211_device *ieee, u8 *dest, unsigned short status, struct ieee80211_network *pstat, int pkt_type) +{ + struct sk_buff *skb; + u8* tag; + + struct ieee80211_crypt_data* crypt; + struct ieee80211_assoc_response_frame *assoc; + short encrypt; + + unsigned int rate_len = ieee80211_MFIE_rate_len(ieee); + int len = sizeof(struct ieee80211_assoc_response_frame) + rate_len; + + if(ieee->iw_mode == ieee->iw_ext_mode) + skb = dev_alloc_skb(len+256); // stanley + else + skb = dev_alloc_skb(len); + + if (!skb) + return NULL; + + assoc = (struct ieee80211_assoc_response_frame *) + skb_put(skb,sizeof(struct ieee80211_assoc_response_frame)); + + assoc->header.frame_ctl = cpu_to_le16(pkt_type); + + memcpy(assoc->header.addr1, dest,ETH_ALEN); + memcpy(assoc->header.addr3, ieee->dev->dev_addr, ETH_ALEN); + memcpy(assoc->header.addr2, ieee->dev->dev_addr, ETH_ALEN); + assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ? + WLAN_CAPABILITY_BSS : WLAN_CAPABILITY_IBSS); + + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_assoc_resp_by_net_1) + ieee->ext_patch_ieee80211_assoc_resp_by_net_1(assoc); + + if(ieee->short_slot) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT); + + if (ieee->host_encrypt) + crypt = ieee->crypt[ieee->tx_keyidx]; + else crypt = NULL; + + encrypt = ( crypt && crypt->ops); + + if (encrypt) + assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY); + + assoc->status = 0; + assoc->aid = cpu_to_le16(ieee->assoc_id); + if (ieee->assoc_id == 0x2007) ieee->assoc_id=0; + else ieee->assoc_id++; + + assoc->info_element.id = 230; // Stanley, an unused id (just a hot fix) + assoc->info_element.len = 0; + + tag = (u8*) skb_put(skb, rate_len); + + ieee80211_MFIE_Brate(ieee, &tag); + ieee80211_MFIE_Grate(ieee, &tag); + + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_assoc_resp_by_net_2) + ieee->ext_patch_ieee80211_assoc_resp_by_net_2(ieee, pstat, pkt_type, skb); + + return skb; +} + +// based on ieee80211_resp_to_assoc_rq +void ieee80211_ext_issue_assoc_rsp(struct ieee80211_device *ieee, u8 *dest, unsigned short status, struct ieee80211_network *pstat, int pkt_type) +{ + struct sk_buff *buf = ieee80211_assoc_resp_by_net(ieee, dest, status, pstat, pkt_type); + + if (buf) + softmac_mgmt_xmit(buf, ieee); +} + +// based on ieee80211_associate_step2 +void ieee80211_ext_issue_assoc_req(struct ieee80211_device *ieee, struct ieee80211_network *pstat) +{ + + struct sk_buff* skb; + + // printk("@@@@@ ieee80211_ext_issue_assoc_req on channel: %d\n", ieee->current_network.channel); + + ieee->softmac_stats.tx_ass_rq++; + skb=ieee80211_association_req(pstat, ieee); + if (skb) + softmac_mgmt_xmit(skb, ieee); +} + +void ieee80211_ext_issue_disassoc(struct ieee80211_device *ieee, struct ieee80211_network *pstat, int reason, unsigned char extReason) +{ + // do nothing + // printk("@@@@@ ieee80211_ext_issue_disassoc\n"); + return; +} +#endif // _RTL8187_EXT_PATCH_ + +void ieee80211_associate_step2(struct ieee80211_device *ieee) +{ + struct sk_buff* skb; + struct ieee80211_network *beacon = &ieee->current_network; + + del_timer_sync(&ieee->associate_timer); + + IEEE80211_DEBUG_MGMT("Sending association request\n"); + ieee->softmac_stats.tx_ass_rq++; + skb=ieee80211_association_req(beacon, ieee); + if (!skb) + ieee80211_associate_abort(ieee); + else{ + softmac_mgmt_xmit(skb, ieee); + if (!timer_pending(&ieee->associate_timer)){ + ieee->associate_timer.expires = jiffies + (HZ / 2); + add_timer(&ieee->associate_timer); + } + //dev_kfree_skb_any(skb);//edit by thomas + } +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_associate_complete_wq(struct work_struct *work) +{ + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_complete_wq); +#else +void ieee80211_associate_complete_wq(struct ieee80211_device *ieee) +{ +#endif + printk(KERN_INFO "Associated successfully\n"); + if(ieee80211_is_54g(ieee->current_network) && + (ieee->modulation & IEEE80211_OFDM_MODULATION)){ + + ieee->rate = 540; + printk(KERN_INFO"Using G rates\n"); + }else{ + ieee->rate = 110; + printk(KERN_INFO"Using B rates\n"); + } + ieee->link_change(ieee->dev); + notify_wx_assoc_event(ieee); + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + netif_carrier_on(ieee->dev); +} + +void ieee80211_associate_complete(struct ieee80211_device *ieee) +{ + int i; + del_timer_sync(&ieee->associate_timer); + + for(i = 0; i < 6; i++) { + //ieee->seq_ctrl[i] = 0; + } + ieee->state = IEEE80211_LINKED; + IEEE80211_DEBUG_MGMT("Successfully associated\n"); + + queue_work(ieee->wq, &ieee->associate_complete_wq); +} + +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_associate_procedure_wq(struct work_struct *work) +{ + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, associate_procedure_wq); +#else +void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee) +{ +#endif + ieee->sync_scan_hurryup = 1; + down(&ieee->wx_sem); + + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + + ieee80211_stop_scan(ieee); + ieee->set_chan(ieee->dev, ieee->current_network.channel); + + ieee->associate_seq = 1; + ieee80211_associate_step1(ieee); + + up(&ieee->wx_sem); +} +#ifdef _RTL8187_EXT_PATCH_ +// based on ieee80211_associate_procedure_wq + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) +void ieee80211_ext_stop_scan_wq(struct work_struct *work) +{ + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, ext_stop_scan_wq); +#else +void ieee80211_ext_stop_scan_wq(struct ieee80211_device *ieee) +{ +#endif + if (ieee->scanning == 0) + { + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel + && ( ieee->current_network.channel == ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee) ) ) + return; + } + + ieee->sync_scan_hurryup = 1; + + down(&ieee->wx_sem); + + // printk("@@@@@@@@@@ ieee80211_ext_stop_scan_wq\n"); + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + + ieee80211_stop_scan(ieee); + + // set channel + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel) + ieee->set_chan(ieee->dev, ieee->ext_patch_ieee80211_ext_stop_scan_wq_set_channel(ieee)); + else + ieee->set_chan(ieee->dev, ieee->current_network.channel); + // + up(&ieee->wx_sem); +} + + +void ieee80211_ext_send_11s_beacon(struct ieee80211_device *ieee) +{ + #if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + queue_work(ieee->wq, &ieee->ext_send_beacon_wq); + #else + schedule_task(&ieee->ext_send_beacon_wq); + #endif + +} + +#endif // _RTL8187_EXT_PATCH_ + +inline void ieee80211_softmac_new_net(struct ieee80211_device *ieee, struct ieee80211_network *net) +{ + u8 tmp_ssid[IW_ESSID_MAX_SIZE+1]; + int tmp_ssid_len = 0; + + short apset,ssidset,ssidbroad,apmatch,ssidmatch; + + /* we are interested in new new only if we are not associated + * and we are not associating / authenticating + */ + if (ieee->state != IEEE80211_NOLINK) + return; + + if ((ieee->iw_mode == IW_MODE_INFRA) && !(net->capability & WLAN_CAPABILITY_BSS)) + return; + + if ((ieee->iw_mode == IW_MODE_ADHOC) && !(net->capability & WLAN_CAPABILITY_IBSS)) + return; + + + if (ieee->iw_mode == IW_MODE_INFRA || ieee->iw_mode == IW_MODE_ADHOC){ + /* if the user specified the AP MAC, we need also the essid + * This could be obtained by beacons or, if the network does not + * broadcast it, it can be put manually. + */ + apset = ieee->wap_set;//(memcmp(ieee->current_network.bssid, zero,ETH_ALEN)!=0 ); + ssidset = ieee->ssid_set;//ieee->current_network.ssid[0] != '\0'; + ssidbroad = !(net->ssid_len == 0 || net->ssid[0]== '\0'); + apmatch = (memcmp(ieee->current_network.bssid, net->bssid, ETH_ALEN)==0); + + if(ieee->current_network.ssid_len != net->ssid_len) + ssidmatch = 0; + else + ssidmatch = (0==strncmp(ieee->current_network.ssid, net->ssid, net->ssid_len)); + + //printk("cur: %s, %d, net:%s, %d\n", ieee->current_network.ssid, ieee->current_network.ssid_len, net->ssid, net->ssid_len); + //printk("apset=%d apmatch=%d ssidset=%d ssidbroad=%d ssidmatch=%d\n",apset,apmatch,ssidset,ssidbroad,ssidmatch); + + if ( /* if the user set the AP check if match. + * if the network does not broadcast essid we check the user supplyed ANY essid + * if the network does broadcast and the user does not set essid it is OK + * if the network does broadcast and the user did set essid chech if essid match + */ + ( apset && apmatch && + ((ssidset && ssidbroad && ssidmatch) || (ssidbroad && !ssidset) || (!ssidbroad && ssidset)) ) || + /* if the ap is not set, check that the user set the bssid + * and the network does bradcast and that those two bssid matches + */ + (!apset && ssidset && ssidbroad && ssidmatch) + ){ + + + /* if the essid is hidden replace it with the + * essid provided by the user. + */ + if (!ssidbroad){ + strncpy(tmp_ssid, ieee->current_network.ssid, IW_ESSID_MAX_SIZE); + tmp_ssid_len = ieee->current_network.ssid_len; + } + memcpy(&ieee->current_network, net, sizeof(struct ieee80211_network)); + + if (!ssidbroad){ + strncpy(ieee->current_network.ssid, tmp_ssid, IW_ESSID_MAX_SIZE); + ieee->current_network.ssid_len = tmp_ssid_len; + } + printk(KERN_INFO"Linking with %s: channel is %d\n",ieee->current_network.ssid,ieee->current_network.channel); + + if (ieee->iw_mode == IW_MODE_INFRA){ + ieee->state = IEEE80211_ASSOCIATING; + ieee->beinretry = false; + queue_work(ieee->wq, &ieee->associate_procedure_wq); + }else{ + if(ieee80211_is_54g(ieee->current_network) && + (ieee->modulation & IEEE80211_OFDM_MODULATION)){ + ieee->rate = 540; + printk(KERN_INFO"Using G rates\n"); + }else{ + ieee->rate = 110; + printk(KERN_INFO"Using B rates\n"); + } + ieee->state = IEEE80211_LINKED; + ieee->beinretry = false; + } + + } + } + +} + +void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee) +{ + unsigned long flags; + struct ieee80211_network *target; + + spin_lock_irqsave(&ieee->lock, flags); + list_for_each_entry(target, &ieee->network_list, list) { + + /* if the state become different that NOLINK means + * we had found what we are searching for + */ + + if (ieee->state != IEEE80211_NOLINK) + break; + + if (ieee->scan_age == 0 || time_after(target->last_scanned + ieee->scan_age, jiffies)) + ieee80211_softmac_new_net(ieee, target); + } + + spin_unlock_irqrestore(&ieee->lock, flags); + +} + + +static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen) +{ + struct ieee80211_authentication *a; + u8 *t; + if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){ + IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n",skb->len); + return 0xcafe; + } + *challenge = NULL; + a = (struct ieee80211_authentication*) skb->data; + if(skb->len > (sizeof(struct ieee80211_authentication) +3)){ + t = skb->data + sizeof(struct ieee80211_authentication); + + if(*(t++) == MFIE_TYPE_CHALLENGE){ + *chlen = *(t++); + *challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC); + memcpy(*challenge, t, *chlen); + } + } + + return cpu_to_le16(a->status); + +} + + +int auth_rq_parse(struct sk_buff *skb,u8* dest) +{ + struct ieee80211_authentication *a; + + if (skb->len < (sizeof(struct ieee80211_authentication)-sizeof(struct ieee80211_info_element))){ + IEEE80211_DEBUG_MGMT("invalid len in auth request: %d\n",skb->len); + return -1; + } + a = (struct ieee80211_authentication*) skb->data; + + memcpy(dest,a->header.addr2, ETH_ALEN); + + if (le16_to_cpu(a->algorithm) != WLAN_AUTH_OPEN) + return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG; + + return WLAN_STATUS_SUCCESS; +} + +static short probe_rq_parse(struct ieee80211_device *ieee, struct sk_buff *skb, u8 *src) +{ + u8 *tag; + u8 *skbend; + u8 *ssid=NULL; + u8 ssidlen = 0; + + struct ieee80211_hdr_3addr *header = + (struct ieee80211_hdr_3addr *) skb->data; + + if (skb->len < sizeof (struct ieee80211_hdr_3addr )) + return -1; /* corrupted */ + + memcpy(src,header->addr2, ETH_ALEN); + + skbend = (u8*)skb->data + skb->len; + + tag = skb->data + sizeof (struct ieee80211_hdr_3addr ); + + while (tag+1 < skbend){ + if (*tag == 0){ + ssid = tag+2; + ssidlen = *(tag+1); + break; + } + tag++; /* point to the len field */ + tag = tag + *(tag); /* point to the last data byte of the tag */ + tag++; /* point to the next tag */ + } + + //IEEE80211DMESG("Card MAC address is "MACSTR, MAC2STR(src)); + if (ssidlen == 0) return 1; + + if (!ssid) return 1; /* ssid not found in tagged param */ + return (!strncmp(ssid, ieee->current_network.ssid, ssidlen)); + +} + +int assoc_rq_parse(struct sk_buff *skb,u8* dest) +{ + struct ieee80211_assoc_request_frame *a; + + if (skb->len < (sizeof(struct ieee80211_assoc_request_frame) - + sizeof(struct ieee80211_info_element))) { + + IEEE80211_DEBUG_MGMT("invalid len in auth request:%d \n", skb->len); + return -1; + } + + a = (struct ieee80211_assoc_request_frame*) skb->data; + + memcpy(dest,a->header.addr2,ETH_ALEN); + + return 0; +} + +static inline u16 assoc_parse(struct sk_buff *skb, int *aid) +{ + struct ieee80211_assoc_response_frame *a; + if (skb->len < sizeof(struct ieee80211_assoc_response_frame)){ + IEEE80211_DEBUG_MGMT("invalid len in auth resp: %d\n", skb->len); + return 0xcafe; + } + + a = (struct ieee80211_assoc_response_frame*) skb->data; + *aid = le16_to_cpu(a->aid) & 0x3fff; + return le16_to_cpu(a->status); +} + +static inline void +ieee80211_rx_probe_rq(struct ieee80211_device *ieee, struct sk_buff *skb) +{ + u8 dest[ETH_ALEN]; + + //IEEE80211DMESG("Rx probe"); + ieee->softmac_stats.rx_probe_rq++; + //DMESG("Dest is "MACSTR, MAC2STR(dest)); + if (probe_rq_parse(ieee, skb, dest)){ + //IEEE80211DMESG("Was for me!"); + ieee->softmac_stats.tx_probe_rs++; + ieee80211_resp_to_probe(ieee, dest); + } +} + +inline void +ieee80211_rx_auth_rq(struct ieee80211_device *ieee, struct sk_buff *skb) +{ + u8 dest[ETH_ALEN]; + int status; + //IEEE80211DMESG("Rx probe"); + ieee->softmac_stats.rx_auth_rq++; + + if ((status = auth_rq_parse(skb, dest))!= -1){ + ieee80211_resp_to_auth(ieee, status, dest); + } + //DMESG("Dest is "MACSTR, MAC2STR(dest)); + +} + + inline void +ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb) +{ + + u8 dest[ETH_ALEN]; + //unsigned long flags; + + ieee->softmac_stats.rx_ass_rq++; + if (assoc_rq_parse(skb,dest) != -1){ + ieee80211_resp_to_assoc_rq(ieee, dest); + } + + printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest)); + //FIXME + #if 0 + spin_lock_irqsave(&ieee->lock,flags); + add_associate(ieee,dest); + spin_unlock_irqrestore(&ieee->lock,flags); + #endif +} + + + +void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr) +{ + + struct sk_buff *buf = ieee80211_null_func(ieee, pwr); + + if (buf) + softmac_ps_mgmt_xmit(buf, ieee); + +} + + +short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l) +{ +#if 0 + int timeout = ieee->ps_timeout; +#else + int timeout = 0; +#endif + u8 dtim; + /*if(ieee->ps == IEEE80211_PS_DISABLED || + ieee->iw_mode != IW_MODE_INFRA || + ieee->state != IEEE80211_LINKED) + + return 0; + */ + dtim = ieee->current_network.dtim_data; + //printk("DTIM\n"); + + if(!(dtim & IEEE80211_DTIM_VALID)) + return 0; + else + timeout = ieee->current_network.beacon_interval; + + //printk("VALID\n"); + ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID; + + if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& ieee->ps)) + return 2; + + if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout))) + return 0; + + if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout))) + return 0; + + if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) && + (ieee->mgmt_queue_tail != ieee->mgmt_queue_head)) + return 0; +#if 0 + if(time_l){ + *time_l = ieee->current_network.last_dtim_sta_time[0] + + (ieee->current_network.beacon_interval + * ieee->current_network.dtim_period) * 1000; + } +#else + if(time_l){ + *time_l = ieee->current_network.last_dtim_sta_time[0] + + MSECS((ieee->current_network.beacon_interval)); + //* ieee->current_network.dtim_period)); + //printk("beacon_interval:%x, dtim_period:%x, totol to Msecs:%x, HZ:%x\n", ieee->current_network.beacon_interval, ieee->current_network.dtim_period, MSECS(((ieee->current_network.beacon_interval * ieee->current_network.dtim_period))), HZ); + } + +#endif + if(time_h){ + *time_h = ieee->current_network.last_dtim_sta_time[1]; + if(time_l && *time_l < ieee->current_network.last_dtim_sta_time[0]) + *time_h += 1; + } + + return 1; + + +} + +inline void ieee80211_sta_ps(struct ieee80211_device *ieee) +{ + + u32 th,tl; + short sleep; + + unsigned long flags,flags2; + + spin_lock_irqsave(&ieee->lock, flags); + + if((ieee->ps == IEEE80211_PS_DISABLED || + + ieee->iw_mode != IW_MODE_INFRA || + ieee->state != IEEE80211_LINKED)){ + + //#warning CHECK_LOCK_HERE + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + ieee80211_sta_wakeup(ieee, 1); + + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + + sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl); +// printk("===>%s,%d[2 wake, 1 sleep, 0 do nothing], ieee->sta_sleep = %d\n",__func__, sleep,ieee->sta_sleep); + /* 2 wake, 1 sleep, 0 do nothing */ + if(sleep == 0) + goto out; + + if(sleep == 1){ + + if(ieee->sta_sleep == 1) + ieee->enter_sleep_state(ieee->dev,th,tl); + + else if(ieee->sta_sleep == 0){ + // printk("send null 1\n"); + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + if(ieee->ps_is_queue_empty(ieee->dev)){ + + + ieee->sta_sleep = 2; + + ieee->ps_request_tx_ack(ieee->dev); + + ieee80211_sta_ps_send_null_frame(ieee,1); + + ieee->ps_th = th; + ieee->ps_tl = tl; + } + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + + } + + + }else if(sleep == 2){ +//#warning CHECK_LOCK_HERE + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + + // printk("send wakeup packet\n"); + ieee80211_sta_wakeup(ieee,1); + + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + +out: + spin_unlock_irqrestore(&ieee->lock, flags); + +} + +void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl) +{ + if(ieee->sta_sleep == 0){ + if(nl){ + // printk("Warning: driver is probably failing to report TX ps error\n"); + ieee->ps_request_tx_ack(ieee->dev); + ieee80211_sta_ps_send_null_frame(ieee, 0); + } + return; + + } + + if(ieee->sta_sleep == 1) + ieee->sta_wake_up(ieee->dev); + + ieee->sta_sleep = 0; + + if(nl){ + ieee->ps_request_tx_ack(ieee->dev); + ieee80211_sta_ps_send_null_frame(ieee, 0); + } +} + +void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success) +{ + unsigned long flags,flags2; + + spin_lock_irqsave(&ieee->lock, flags); + if(ieee->sta_sleep == 2){ + /* Null frame with PS bit set */ + if(success){ + + // printk("==================> %s::enter sleep state\n",__func__); + ieee->sta_sleep = 1; + ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl); + } + /* if the card report not success we can't be sure the AP + * has not RXed so we can't assume the AP believe us awake + */ + } + /* 21112005 - tx again null without PS bit if lost */ + else { + + if((ieee->sta_sleep == 0) && !success){ + spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2); + ieee80211_sta_ps_send_null_frame(ieee, 0); + spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2); + } + } + spin_unlock_irqrestore(&ieee->lock, flags); +} + +inline int +ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb, + struct ieee80211_rx_stats *rx_stats, u16 type, + u16 stype) +{ + struct ieee80211_hdr_3addr *header = (struct ieee80211_hdr_3addr *) skb->data; + u16 errcode; + u8* challenge=NULL; + int chlen=0; + int aid=0; + struct ieee80211_assoc_response_frame *assoc_resp; + struct ieee80211_info_element *info_element; + + if(!ieee->proto_started) + return 0; + + if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED && + ieee->iw_mode == IW_MODE_INFRA && + ieee->state == IEEE80211_LINKED)) + + tasklet_schedule(&ieee->ps_task); + + if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP && + WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON) + ieee->last_rx_ps_time = jiffies; + + switch (WLAN_FC_GET_STYPE(header->frame_ctl)) { + + case IEEE80211_STYPE_ASSOC_RESP: + case IEEE80211_STYPE_REASSOC_RESP: + + IEEE80211_DEBUG_MGMT("received [RE]ASSOCIATION RESPONSE (%d)\n", + WLAN_FC_GET_STYPE(header->frame_ctl)); + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATED && + ieee->iw_mode == IW_MODE_INFRA){ + if (0 == (errcode=assoc_parse(skb, &aid))){ + u16 left; + + ieee->state=IEEE80211_LINKED; + ieee->assoc_id = aid; + ieee->softmac_stats.rx_ass_ok++; + + //printk(KERN_WARNING "nic_type = %s", (rx_stats->nic_type == 1)?"rtl8187":"rtl8187B"); + if(1 == rx_stats->nic_type) //card type is 8187 + { + goto associate_complete; + } + assoc_resp = (struct ieee80211_assoc_response_frame*)skb->data; + info_element = &assoc_resp->info_element; + left = skb->len - ((void*)info_element - (void*)assoc_resp); + + while (left >= sizeof(struct ieee80211_info_element_hdr)) { + if (sizeof(struct ieee80211_info_element_hdr) + info_element->len > left) { + printk(KERN_WARNING "[re]associate reeponse error!"); + return 1; + } + switch (info_element->id) { + case MFIE_TYPE_GENERIC: + IEEE80211_DEBUG_SCAN("MFIE_TYPE_GENERIC: %d bytes\n", info_element->len); + if (info_element->len >= 8 && + info_element->data[0] == 0x00 && + info_element->data[1] == 0x50 && + info_element->data[2] == 0xf2 && + info_element->data[3] == 0x02 && + info_element->data[4] == 0x01) { + // Not care about version at present. + //WMM Parameter Element + memcpy(ieee->current_network.wmm_param,(u8*)(info_element->data\ + + 8),(info_element->len - 8)); + + if (((ieee->current_network.wmm_info^info_element->data[6])& \ + 0x0f)||(!ieee->init_wmmparam_flag)) { + //refresh paramete element for current network + // update the register parameter for hardware + ieee->init_wmmparam_flag = 1; + queue_work(ieee->wq, &ieee->wmm_param_update_wq); + + } + //update info_element for current network + ieee->current_network.wmm_info = info_element->data[6]; + } + break; + default: + //nothing to do at present!!! + break; + } + + left -= sizeof(struct ieee80211_info_element_hdr) + + info_element->len; + info_element = (struct ieee80211_info_element *) + &info_element->data[info_element->len]; + } + if(!ieee->init_wmmparam_flag) //legacy AP, reset the AC_xx_param register + { + queue_work(ieee->wq,&ieee->wmm_param_update_wq); + ieee->init_wmmparam_flag = 1;//indicate AC_xx_param upated since last associate + } +associate_complete: + ieee80211_associate_complete(ieee); + }else{ + ieee->softmac_stats.rx_ass_err++; + IEEE80211_DEBUG_MGMT( + "Association response status code 0x%x\n", + errcode); + ieee80211_associate_abort(ieee); + } + } +#ifdef _RTL8187_EXT_PATCH_ + else if ((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_rsp) + { + ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_rsp(ieee, skb); + } +#endif + break; + + case IEEE80211_STYPE_ASSOC_REQ: + case IEEE80211_STYPE_REASSOC_REQ: + + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + ieee->iw_mode == IW_MODE_MASTER) + + ieee80211_rx_assoc_rq(ieee, skb); +#ifdef _RTL8187_EXT_PATCH_ + else if ((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_req) + { + ieee->ext_patch_ieee80211_rx_frame_softmac_on_assoc_req(ieee, skb); + } +#endif + break; + + case IEEE80211_STYPE_AUTH: + +#ifdef _RTL8187_EXT_PATCH_ +printk("IEEE80211_STYPE_AUTH\n"); + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_auth) + if( ieee->ext_patch_ieee80211_rx_frame_softmac_on_auth(ieee, skb, rx_stats) ); +#endif + if (ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE){ + if (ieee->state == IEEE80211_ASSOCIATING_AUTHENTICATING && + ieee->iw_mode == IW_MODE_INFRA){ + + IEEE80211_DEBUG_MGMT("Received authentication response"); + + if (0 == (errcode=auth_parse(skb, &challenge, &chlen))){ + if(ieee->open_wep || !challenge){ + ieee->state = IEEE80211_ASSOCIATING_AUTHENTICATED; + ieee->softmac_stats.rx_auth_rs_ok++; + + ieee80211_associate_step2(ieee); + }else{ + ieee80211_auth_challenge(ieee, challenge, chlen); + } + }else{ + ieee->softmac_stats.rx_auth_rs_err++; + IEEE80211_DEBUG_MGMT("Authentication respose status code 0x%x",errcode); + ieee80211_associate_abort(ieee); + } + + }else if (ieee->iw_mode == IW_MODE_MASTER){ + ieee80211_rx_auth_rq(ieee, skb); + } + } + break; + + case IEEE80211_STYPE_PROBE_REQ: + + if ((ieee->softmac_features & IEEE_SOFTMAC_PROBERS) && + ((ieee->iw_mode == IW_MODE_ADHOC || + ieee->iw_mode == IW_MODE_MASTER) && + ieee->state == IEEE80211_LINKED)) + + ieee80211_rx_probe_rq(ieee, skb); + break; + + case IEEE80211_STYPE_DISASSOC: + case IEEE80211_STYPE_DEAUTH: +#ifdef _RTL8187_EXT_PATCH_ +printk("IEEE80211_STYPE_DEAUTH\n"); + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_rx_frame_softmac_on_deauth) + if( ieee->ext_patch_ieee80211_rx_frame_softmac_on_deauth(ieee, skb, rx_stats) ) ; +#endif + /* FIXME for now repeat all the association procedure + * both for disassociation and deauthentication + */ + if ((ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE) && + (ieee->state == IEEE80211_LINKED) && + (ieee->iw_mode == IW_MODE_INFRA) && + (!memcmp(header->addr2,ieee->current_network.bssid,ETH_ALEN))){ + ieee->state = IEEE80211_ASSOCIATING; + ieee->softmac_stats.reassoc++; + + //notify_wx_assoc_event(ieee); //YJ,del,080828, do not notify os here + queue_work(ieee->wq, &ieee->associate_procedure_wq); + } + + break; + + default: + return -1; + break; + } + + //dev_kfree_skb_any(skb); + return 0; +} + + + +/* following are for a simplier TX queue management. + * Instead of using netif_[stop/wake]_queue the driver + * will uses these two function (plus a reset one), that + * will internally uses the kernel netif_* and takes + * care of the ieee802.11 fragmentation. + * So the driver receives a fragment per time and might + * call the stop function when it want without take care + * to have enought room to TX an entire packet. + * This might be useful if each fragment need it's own + * descriptor, thus just keep a total free memory > than + * the max fragmentation treshold is not enought.. If the + * ieee802.11 stack passed a TXB struct then you needed + * to keep N free descriptors where + * N = MAX_PACKET_SIZE / MIN_FRAG_TRESHOLD + * In this way you need just one and the 802.11 stack + * will take care of buffering fragments and pass them to + * to the driver later, when it wakes the queue. + */ + +void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *ieee) +{ + + + unsigned long flags; + int i; +#ifdef _RTL8187_EXT_PATCH_ + int rate = ieee->rate; +#endif + + spin_lock_irqsave(&ieee->lock,flags); + #if 0 + if(ieee->queue_stop){ + IEEE80211DMESG("EE: IEEE hard_start_xmit invoked when kernel queue should be stopped"); + netif_stop_queue(ieee->dev); + ieee->ieee_stats.swtxstop++; + //dev_kfree_skb_any(skb); + err = 1; + goto exit; + } + + ieee->stats.tx_bytes+=skb->len; + + + txb=ieee80211_skb_to_txb(ieee,skb); + + + if(txb==NULL){ + IEEE80211DMESG("WW: IEEE stack failed to provide txb"); + //dev_kfree_skb_any(skb); + err = 1; + goto exit; + } + #endif + +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_ieee80211_softmac_xmit_get_rate && txb->nr_frags) + { + rate = ieee->ext_patch_ieee80211_softmac_xmit_get_rate(ieee, txb->fragments[0]); + } +#endif + /* called with 2nd parm 0, no tx mgmt lock required */ + ieee80211_sta_wakeup(ieee,0); + + for(i = 0; i < txb->nr_frags; i++) { + + if (ieee->queue_stop){ + ieee->tx_pending.txb = txb; + ieee->tx_pending.frag = i; + goto exit; + }else{ + ieee->softmac_data_hard_start_xmit( + txb->fragments[i], +#ifdef _RTL8187_EXT_PATCH_ + ieee->dev, rate); +#else + ieee->dev,ieee->rate); +#endif + //(i+1)<txb->nr_frags); + ieee->stats.tx_packets++; + ieee->stats.tx_bytes += txb->fragments[i]->len; + ieee->dev->trans_start = jiffies; + } + } + + ieee80211_txb_free(txb); + + exit: + spin_unlock_irqrestore(&ieee->lock,flags); + +} + +/* called with ieee->lock acquired */ +void ieee80211_resume_tx(struct ieee80211_device *ieee) +{ + int i; + for(i = ieee->tx_pending.frag; i < ieee->tx_pending.txb->nr_frags; i++) { + + if (ieee->queue_stop){ + ieee->tx_pending.frag = i; + return; + }else{ + + ieee->softmac_data_hard_start_xmit( + ieee->tx_pending.txb->fragments[i], + ieee->dev,ieee->rate); + //(i+1)<ieee->tx_pending.txb->nr_frags); + ieee->stats.tx_packets++; + ieee->dev->trans_start = jiffies; + } + } + + + ieee80211_txb_free(ieee->tx_pending.txb); + ieee->tx_pending.txb = NULL; +} + + +void ieee80211_reset_queue(struct ieee80211_device *ieee) +{ + unsigned long flags; + + spin_lock_irqsave(&ieee->lock,flags); + init_mgmt_queue(ieee); + if (ieee->tx_pending.txb){ + ieee80211_txb_free(ieee->tx_pending.txb); + ieee->tx_pending.txb = NULL; + } + ieee->queue_stop = 0; + spin_unlock_irqrestore(&ieee->lock,flags); + +} + +void ieee80211_wake_queue(struct ieee80211_device *ieee) +{ + + unsigned long flags; + struct sk_buff *skb; + struct ieee80211_hdr_3addr *header; + + spin_lock_irqsave(&ieee->lock,flags); + if (! ieee->queue_stop) goto exit; + + ieee->queue_stop = 0; + + if(ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE){ + while (!ieee->queue_stop && (skb = dequeue_mgmt(ieee))){ + + header = (struct ieee80211_hdr_3addr *) skb->data; + + header->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + //printk(KERN_ALERT "ieee80211_wake_queue \n"); + ieee->softmac_data_hard_start_xmit(skb,ieee->dev,ieee->basic_rate); + dev_kfree_skb_any(skb);//edit by thomas + } + } + if (!ieee->queue_stop && ieee->tx_pending.txb) + ieee80211_resume_tx(ieee); + + if (!ieee->queue_stop && netif_queue_stopped(ieee->dev)){ + ieee->softmac_stats.swtxawake++; + netif_wake_queue(ieee->dev); + } + +exit : + spin_unlock_irqrestore(&ieee->lock,flags); +} + + +void ieee80211_stop_queue(struct ieee80211_device *ieee) +{ + //unsigned long flags; + //spin_lock_irqsave(&ieee->lock,flags); + + if (! netif_queue_stopped(ieee->dev)){ + netif_stop_queue(ieee->dev); + ieee->softmac_stats.swtxstop++; + } + ieee->queue_stop = 1; + //spin_unlock_irqrestore(&ieee->lock,flags); + +} + + +inline void ieee80211_randomize_cell(struct ieee80211_device *ieee) +{ + + get_random_bytes(ieee->current_network.bssid, ETH_ALEN); + + /* an IBSS cell address must have the two less significant + * bits of the first byte = 2 + */ + ieee->current_network.bssid[0] &= ~0x01; + ieee->current_network.bssid[0] |= 0x02; +} + +/* called in user context only */ +void ieee80211_start_master_bss(struct ieee80211_device *ieee) +{ + ieee->assoc_id = 1; + + if (ieee->current_network.ssid_len == 0){ + strncpy(ieee->current_network.ssid, + IEEE80211_DEFAULT_TX_ESSID, + IW_ESSID_MAX_SIZE); + + ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID); + ieee->ssid_set = 1; + } + + memcpy(ieee->current_network.bssid, ieee->dev->dev_addr, ETH_ALEN); + + ieee->set_chan(ieee->dev, ieee->current_network.channel); + ieee->state = IEEE80211_LINKED; + ieee->link_change(ieee->dev); + notify_wx_assoc_event(ieee); + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); +} + +void ieee80211_start_monitor_mode(struct ieee80211_device *ieee) +{ + if(ieee->raw_tx){ + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + } +} +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_start_ibss_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, start_ibss_wq); +#else +void ieee80211_start_ibss_wq(struct ieee80211_device *ieee) +{ +#endif + + /* iwconfig mode ad-hoc will schedule this and return + * on the other hand this will block further iwconfig SET + * operations because of the wx_sem hold. + * Anyway some most set operations set a flag to speed-up + * (abort) this wq (when syncro scanning) before sleeping + * on the semaphore + */ + + down(&ieee->wx_sem); + + + if (ieee->current_network.ssid_len == 0){ + strcpy(ieee->current_network.ssid,IEEE80211_DEFAULT_TX_ESSID); + ieee->current_network.ssid_len = strlen(IEEE80211_DEFAULT_TX_ESSID); + ieee->ssid_set = 1; + } + + /* check if we have this cell in our network list */ + ieee80211_softmac_check_all_nets(ieee); + +#ifdef ENABLE_DOT11D + if(ieee->state == IEEE80211_NOLINK) + ieee->current_network.channel = 10; +#endif + /* if not then the state is not linked. Maybe the user swithced to + * ad-hoc mode just after being in monitor mode, or just after + * being very few time in managed mode (so the card have had no + * time to scan all the chans..) or we have just run up the iface + * after setting ad-hoc mode. So we have to give another try.. + * Here, in ibss mode, should be safe to do this without extra care + * (in bss mode we had to make sure no-one tryed to associate when + * we had just checked the ieee->state and we was going to start the + * scan) beacause in ibss mode the ieee80211_new_net function, when + * finds a good net, just set the ieee->state to IEEE80211_LINKED, + * so, at worst, we waste a bit of time to initiate an unneeded syncro + * scan, that will stop at the first round because it sees the state + * associated. + */ + if (ieee->state == IEEE80211_NOLINK) + ieee80211_start_scan_syncro(ieee); + + /* the network definitively is not here.. create a new cell */ + if (ieee->state == IEEE80211_NOLINK){ + printk("creating new IBSS cell\n"); + if(!ieee->wap_set) + ieee80211_randomize_cell(ieee); + + if(ieee->modulation & IEEE80211_CCK_MODULATION){ + + ieee->current_network.rates_len = 4; + + ieee->current_network.rates[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; + ieee->current_network.rates[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; + ieee->current_network.rates[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; + ieee->current_network.rates[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; + + }else + ieee->current_network.rates_len = 0; + + if(ieee->modulation & IEEE80211_OFDM_MODULATION){ + ieee->current_network.rates_ex_len = 8; + + ieee->current_network.rates_ex[0] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB; + ieee->current_network.rates_ex[1] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB; + ieee->current_network.rates_ex[2] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB; + ieee->current_network.rates_ex[3] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB; + ieee->current_network.rates_ex[4] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB; + ieee->current_network.rates_ex[5] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB; + ieee->current_network.rates_ex[6] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB; + ieee->current_network.rates_ex[7] = IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB; + + ieee->rate = 540; + }else{ + ieee->current_network.rates_ex_len = 0; + ieee->rate = 110; + } + + // By default, WMM function will be disabled in IBSS mode + ieee->current_network.QoS_Enable = 0; + + ieee->current_network.atim_window = 0; + ieee->current_network.capability = WLAN_CAPABILITY_IBSS; + if(ieee->short_slot) + ieee->current_network.capability |= WLAN_CAPABILITY_SHORT_SLOT; + + } + + ieee->state = IEEE80211_LINKED; + ieee->set_chan(ieee->dev, ieee->current_network.channel); + ieee->link_change(ieee->dev); + + notify_wx_assoc_event(ieee); + + ieee80211_start_send_beacons(ieee); + printk(KERN_WARNING "after sending beacon packet!\n"); + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + + up(&ieee->wx_sem); +} +inline void ieee80211_start_ibss(struct ieee80211_device *ieee) +{ + queue_delayed_work(ieee->wq, &ieee->start_ibss_wq, 100); +} + +/* this is called only in user context, with wx_sem held */ +void ieee80211_start_bss(struct ieee80211_device *ieee) +{ + unsigned long flags; +#ifdef ENABLE_DOT11D + // + // Ref: 802.11d 11.1.3.3 + // STA shall not start a BSS unless properly formed Beacon frame including a Country IE. + // + if(IS_DOT11D_ENABLE(ieee) && !IS_COUNTRY_IE_VALID(ieee)) + { + if(! ieee->bGlobalDomain) + { + return; + } + } +#endif + /* check if we have already found the net we + * are interested in (if any). + * if not (we are disassociated and we are not + * in associating / authenticating phase) start the background scanning. + */ + ieee80211_softmac_check_all_nets(ieee); + + /* ensure no-one start an associating process (thus setting + * the ieee->state to ieee80211_ASSOCIATING) while we + * have just cheked it and we are going to enable scan. + * The ieee80211_new_net function is always called with + * lock held (from both ieee80211_softmac_check_all_nets and + * the rx path), so we cannot be in the middle of such function + */ + spin_lock_irqsave(&ieee->lock, flags); + +//#ifdef ENABLE_IPS +// printk("start bss ENABLE_IPS\n"); +//#else + if (ieee->state == IEEE80211_NOLINK){ + ieee->actscanning = true; + ieee80211_start_scan(ieee); + } +//#endif + spin_unlock_irqrestore(&ieee->lock, flags); +} + +/* called only in userspace context */ +void ieee80211_disassociate(struct ieee80211_device *ieee) +{ + netif_carrier_off(ieee->dev); + + if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE) + ieee80211_reset_queue(ieee); + + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + +#ifdef ENABLE_DOT11D + if(IS_DOT11D_ENABLE(ieee)) + Dot11d_Reset(ieee); +#endif + ieee->state = IEEE80211_NOLINK; + ieee->link_change(ieee->dev); + notify_wx_assoc_event(ieee); + +} +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)) +void ieee80211_associate_retry_wq(struct work_struct *work) +{ + struct delayed_work *dwork = container_of(work, struct delayed_work, work); + struct ieee80211_device *ieee = container_of(dwork, struct ieee80211_device, associate_retry_wq); +#else +void ieee80211_associate_retry_wq(struct ieee80211_device *ieee) +{ +#endif + unsigned long flags; + down(&ieee->wx_sem); + if(!ieee->proto_started) + goto exit; + if(ieee->state != IEEE80211_ASSOCIATING_RETRY) + goto exit; + /* until we do not set the state to IEEE80211_NOLINK + * there are no possibility to have someone else trying + * to start an association procdure (we get here with + * ieee->state = IEEE80211_ASSOCIATING). + * When we set the state to IEEE80211_NOLINK it is possible + * that the RX path run an attempt to associate, but + * both ieee80211_softmac_check_all_nets and the + * RX path works with ieee->lock held so there are no + * problems. If we are still disassociated then start a scan. + * the lock here is necessary to ensure no one try to start + * an association procedure when we have just checked the + * state and we are going to start the scan. + */ + ieee->state = IEEE80211_NOLINK; + ieee->beinretry = true; + ieee80211_softmac_check_all_nets(ieee); + + spin_lock_irqsave(&ieee->lock, flags); + + if(ieee->state == IEEE80211_NOLINK){ + ieee->beinretry = false; + ieee->actscanning = true; + ieee80211_start_scan(ieee); + } + //YJ,add,080828, notify os here + if(ieee->state == IEEE80211_NOLINK) + { + notify_wx_assoc_event(ieee); + } + //YJ,add,080828,end + spin_unlock_irqrestore(&ieee->lock, flags); + +exit: + up(&ieee->wx_sem); +} + +struct sk_buff *ieee80211_get_beacon_(struct ieee80211_device *ieee) +{ + u8 broadcast_addr[] = {0xff,0xff,0xff,0xff,0xff,0xff}; + + struct sk_buff *skb = NULL; + struct ieee80211_probe_response *b; + +//rz +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) && ieee->ext_patch_get_beacon_get_probersp ) + skb = ieee->ext_patch_get_beacon_get_probersp(ieee, broadcast_addr, &(ieee->current_network)); + else + skb = ieee80211_probe_resp(ieee, broadcast_addr); +#else + skb = ieee80211_probe_resp(ieee, broadcast_addr); +#endif +// + if (!skb) + return NULL; + + b = (struct ieee80211_probe_response *) skb->data; + b->header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_BEACON); + + return skb; + +} + +struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee) +{ + struct sk_buff *skb; + struct ieee80211_probe_response *b; + + skb = ieee80211_get_beacon_(ieee); + if(!skb) + return NULL; + + b = (struct ieee80211_probe_response *) skb->data; + b->header.seq_ctrl = cpu_to_le16(ieee->seq_ctrl[0] << 4); + + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + return skb; +} + +void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee) +{ + ieee->sync_scan_hurryup = 1; + down(&ieee->wx_sem); + ieee80211_stop_protocol(ieee); + up(&ieee->wx_sem); +} + + +void ieee80211_stop_protocol(struct ieee80211_device *ieee) +{ + if (!ieee->proto_started) + return; + + ieee->proto_started = 0; + +#ifdef _RTL8187_EXT_PATCH_ + if(ieee->ext_patch_ieee80211_stop_protocol) + ieee->ext_patch_ieee80211_stop_protocol(ieee); +//if call queue_delayed_work,can call this,or do nothing.. +//edit by lawrence,20071118 +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) +// cancel_delayed_work(&ieee->ext_stop_scan_wq); +// cancel_delayed_work(&ieee->ext_send_beacon_wq); +#endif +#endif // _RTL8187_EXT_PATCH_ + + ieee80211_stop_send_beacons(ieee); + if((ieee->iw_mode == IW_MODE_INFRA)&&(ieee->state == IEEE80211_LINKED)) { + SendDisassociation(ieee,NULL,WLAN_REASON_DISASSOC_STA_HAS_LEFT); + } + del_timer_sync(&ieee->associate_timer); + cancel_delayed_work(&ieee->associate_retry_wq); + cancel_delayed_work(&ieee->start_ibss_wq); + ieee80211_stop_scan(ieee); + + ieee80211_disassociate(ieee); +} + +void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee) +{ + ieee->sync_scan_hurryup = 0; + down(&ieee->wx_sem); + ieee80211_start_protocol(ieee); + up(&ieee->wx_sem); +} + +void ieee80211_start_protocol(struct ieee80211_device *ieee) +{ + short ch = 0; + int i = 0; + + if (ieee->proto_started) + return; + + ieee->proto_started = 1; + + if (ieee->current_network.channel == 0){ + do{ + ch++; + if (ch > MAX_CHANNEL_NUMBER) + return; /* no channel found */ + +#ifdef ENABLE_DOT11D + }while(!GET_DOT11D_INFO(ieee)->channel_map[ch]); +#else + }while(!ieee->channel_map[ch]); +#endif + + ieee->current_network.channel = ch; + } + + if (ieee->current_network.beacon_interval == 0) + ieee->current_network.beacon_interval = 100; + ieee->set_chan(ieee->dev,ieee->current_network.channel); + + for(i = 0; i < 17; i++) { + ieee->last_rxseq_num[i] = -1; + ieee->last_rxfrag_num[i] = -1; + ieee->last_packet_time[i] = 0; + } + + ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers. + + + /* if the user set the MAC of the ad-hoc cell and then + * switch to managed mode, shall we make sure that association + * attempts does not fail just because the user provide the essid + * and the nic is still checking for the AP MAC ?? + */ + switch (ieee->iw_mode) { + case IW_MODE_AUTO: + ieee->iw_mode = IW_MODE_INFRA; + //not set break here intentionly + case IW_MODE_INFRA: + ieee80211_start_bss(ieee); + break; + + case IW_MODE_ADHOC: + ieee80211_start_ibss(ieee); + break; + + case IW_MODE_MASTER: + ieee80211_start_master_bss(ieee); + break; + + case IW_MODE_MONITOR: + ieee80211_start_monitor_mode(ieee); + break; + + default: +#ifdef _RTL8187_EXT_PATCH_ + if((ieee->iw_mode == ieee->iw_ext_mode) &&\ + ieee->ext_patch_ieee80211_start_protocol &&\ + ieee->ext_patch_ieee80211_start_protocol(ieee)) { +#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,0) + queue_work(ieee->wq, &ieee->ext_stop_scan_wq); +#endif + // By default, WMM function will be disabled in + // EXTENSION mode + ieee->current_network.QoS_Enable = 0; + + if(ieee->modulation & IEEE80211_CCK_MODULATION){ + ieee->current_network.rates_len = 4; + ieee->current_network.rates[0] = \ + IEEE80211_BASIC_RATE_MASK | \ + IEEE80211_CCK_RATE_1MB; + ieee->current_network.rates[1] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_CCK_RATE_2MB; + ieee->current_network.rates[2] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_CCK_RATE_5MB; + ieee->current_network.rates[3] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_CCK_RATE_11MB; + }else + ieee->current_network.rates_len = 0; + + if(ieee->modulation & IEEE80211_OFDM_MODULATION){ + ieee->current_network.rates_ex_len = 8; + ieee->current_network.rates_ex[0] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_6MB; + ieee->current_network.rates_ex[1] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_9MB; + ieee->current_network.rates_ex[2] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_12MB; + ieee->current_network.rates_ex[3] = \ + IEEE80211_BASIC_RATE_MASK | \ + IEEE80211_OFDM_RATE_18MB; + ieee->current_network.rates_ex[4] =\ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_24MB; + ieee->current_network.rates_ex[5] =\ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_36MB; + ieee->current_network.rates_ex[6] = \ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_48MB; + ieee->current_network.rates_ex[7] =\ + IEEE80211_BASIC_RATE_MASK |\ + IEEE80211_OFDM_RATE_54MB; + ieee->rate = 540; + }else{ + ieee->current_network.rates_ex_len = 0; + ieee->rate = 110; + } + + /* + spin_lock_irqsave(&ieee->lock, flags); + if (ieee->state == IEEE80211_NOLINK) + ieee80211_start_scan(ieee); + // ieee->set_chan(ieee->dev, 8); + + spin_unlock_irqrestore(&ieee->lock, flags); + */ + memcpy(ieee->current_network.bssid, ieee->dev->dev_addr,\ + ETH_ALEN); + ieee->link_change(ieee->dev); + notify_wx_assoc_event(ieee); + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + } else { + ieee->iw_mode = IW_MODE_INFRA; + ieee80211_start_bss(ieee); + } +#else + ieee->iw_mode = IW_MODE_INFRA; + ieee80211_start_bss(ieee); + +#endif + break; + } +} + + +#define DRV_NAME "Ieee80211" +void ieee80211_softmac_init(struct ieee80211_device *ieee) +{ + int i; + memset(&ieee->current_network, 0, sizeof(struct ieee80211_network)); + + ieee->state = IEEE80211_NOLINK; + ieee->sync_scan_hurryup = 0; + for(i = 0; i < 5; i++) { + ieee->seq_ctrl[i] = 0; + } + + ieee->assoc_id = 0; + ieee->queue_stop = 0; + ieee->scanning = 0; + ieee->softmac_features = 0; //so IEEE2100-like driver are happy + ieee->wap_set = 0; + ieee->ssid_set = 0; + ieee->proto_started = 0; + ieee->basic_rate = IEEE80211_DEFAULT_BASIC_RATE; + ieee->rate = 3; +//#ifdef ENABLE_LPS + ieee->ps = IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST; +//#else +// ieee->ps = IEEE80211_PS_DISABLED; +//#endif + ieee->sta_sleep = 0; +//by amy + ieee->bInactivePs = false; + ieee->actscanning = false; + ieee->ListenInterval = 2; + ieee->NumRxDataInPeriod = 0; //YJ,add,080828 + ieee->NumRxBcnInPeriod = 0; //YJ,add,080828 + ieee->NumRxOkTotal = 0;//+by amy 080312 + ieee->NumRxUnicast = 0;//YJ,add,080828,for keep alive + ieee->beinretry = false; + ieee->bHwRadioOff = false; +//by amy +#ifdef _RTL8187_EXT_PATCH_ + ieee->iw_ext_mode = 999; +#endif + + init_mgmt_queue(ieee); +#if 0 + init_timer(&ieee->scan_timer); + ieee->scan_timer.data = (unsigned long)ieee; + ieee->scan_timer.function = ieee80211_softmac_scan_cb; +#endif + ieee->tx_pending.txb = NULL; + + init_timer(&ieee->associate_timer); + ieee->associate_timer.data = (unsigned long)ieee; + ieee->associate_timer.function = ieee80211_associate_abort_cb; + + init_timer(&ieee->beacon_timer); + ieee->beacon_timer.data = (unsigned long) ieee; + ieee->beacon_timer.function = ieee80211_send_beacon_cb; + +#ifdef PF_SYNCTHREAD + ieee->wq = create_workqueue(DRV_NAME,0); +#else + ieee->wq = create_workqueue(DRV_NAME); +#endif +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)//added by lawrence,070702 + INIT_DELAYED_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq); + INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq); + INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq); + INIT_DELAYED_WORK(&ieee->softmac_scan_wq,(void*) ieee80211_softmac_scan_wq); + INIT_DELAYED_WORK(&ieee->associate_retry_wq,(void*) ieee80211_associate_retry_wq); + INIT_WORK(&ieee->wx_sync_scan_wq,(void*) ieee80211_wx_sync_scan_wq); +// INIT_WORK(&ieee->watch_dog_wq,(void*) ieee80211_watch_dog_wq); +//added by lawrence,20071118 +#ifdef _RTL8187_EXT_PATCH_ + INIT_WORK(&ieee->ext_stop_scan_wq,(void*) ieee80211_ext_stop_scan_wq); + //INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ieee80211_beacons_start,ieee); + INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ext_ieee80211_send_beacon_wq); +#endif //_RTL8187_EXT_PATCH_ +#else + INIT_WORK(&ieee->start_ibss_wq,(void*) ieee80211_start_ibss_wq,ieee); + INIT_WORK(&ieee->associate_retry_wq,(void*) ieee80211_associate_retry_wq,ieee); + INIT_WORK(&ieee->associate_complete_wq,(void*) ieee80211_associate_complete_wq,ieee); + INIT_WORK(&ieee->associate_procedure_wq,(void*) ieee80211_associate_procedure_wq,ieee); + INIT_WORK(&ieee->softmac_scan_wq,(void*) ieee80211_softmac_scan_wq,ieee); + INIT_WORK(&ieee->wx_sync_scan_wq,(void*) ieee80211_wx_sync_scan_wq,ieee); +// INIT_WORK(&ieee->watch_dog_wq,(void*) ieee80211_watch_dog_wq,ieee); +#ifdef _RTL8187_EXT_PATCH_ + INIT_WORK(&ieee->ext_stop_scan_wq,(void*) ieee80211_ext_stop_scan_wq,ieee); + //INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ieee80211_beacons_start,ieee); + INIT_WORK(&ieee->ext_send_beacon_wq,(void*) ext_ieee80211_send_beacon_wq,ieee); +#endif +#endif + sema_init(&ieee->wx_sem, 1); + sema_init(&ieee->scan_sem, 1); + + spin_lock_init(&ieee->mgmt_tx_lock); + spin_lock_init(&ieee->beacon_lock); + + tasklet_init(&ieee->ps_task, + (void(*)(unsigned long)) ieee80211_sta_ps, + (unsigned long)ieee); +#ifdef ENABLE_DOT11D + ieee->pDot11dInfo = kmalloc(sizeof(RT_DOT11D_INFO), GFP_ATOMIC); +#endif +} + +void ieee80211_softmac_free(struct ieee80211_device *ieee) +{ + down(&ieee->wx_sem); + + del_timer_sync(&ieee->associate_timer); + cancel_delayed_work(&ieee->associate_retry_wq); + + + //add for RF power on power of by lizhaoming 080512 + cancel_delayed_work(&ieee->GPIOChangeRFWorkItem); + +#ifdef _RTL8187_EXT_PATCH_ + cancel_delayed_work(&ieee->ext_stop_scan_wq); + cancel_delayed_work(&ieee->ext_send_beacon_wq); +#endif + destroy_workqueue(ieee->wq); +#ifdef ENABLE_DOT11D + if(NULL != ieee->pDot11dInfo) + kfree(ieee->pDot11dInfo); +#endif + up(&ieee->wx_sem); +} + +/******************************************************** + * Start of WPA code. * + * this is stolen from the ipw2200 driver * + ********************************************************/ + + +static int ieee80211_wpa_enable(struct ieee80211_device *ieee, int value) +{ + /* This is called when wpa_supplicant loads and closes the driver + * interface. */ + printk("%s WPA\n",value ? "enabling" : "disabling"); + ieee->wpa_enabled = value; + return 0; +} + + +void ieee80211_wpa_assoc_frame(struct ieee80211_device *ieee, char *wpa_ie, int wpa_ie_len) +{ + /* make sure WPA is enabled */ + ieee80211_wpa_enable(ieee, 1); + + ieee80211_disassociate(ieee); +} + + +static int ieee80211_wpa_mlme(struct ieee80211_device *ieee, int command, int reason) +{ + + int ret = 0; + + switch (command) { + case IEEE_MLME_STA_DEAUTH: + // silently ignore + break; + + case IEEE_MLME_STA_DISASSOC: + ieee80211_disassociate(ieee); + break; + + default: + printk("Unknown MLME request: %d\n", command); + ret = -EOPNOTSUPP; + } + + return ret; +} + + +static int ieee80211_wpa_set_wpa_ie(struct ieee80211_device *ieee, + struct ieee_param *param, int plen) +{ + u8 *buf; + + if (param->u.wpa_ie.len > MAX_WPA_IE_LEN || + (param->u.wpa_ie.len && param->u.wpa_ie.data == NULL)) + return -EINVAL; + + if (param->u.wpa_ie.len) { + buf = kmalloc(param->u.wpa_ie.len, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + + memcpy(buf, param->u.wpa_ie.data, param->u.wpa_ie.len); + kfree(ieee->wpa_ie); + ieee->wpa_ie = buf; + ieee->wpa_ie_len = param->u.wpa_ie.len; + } else { + kfree(ieee->wpa_ie); + ieee->wpa_ie = NULL; + ieee->wpa_ie_len = 0; + } + + ieee80211_wpa_assoc_frame(ieee, ieee->wpa_ie, ieee->wpa_ie_len); + return 0; +} + +#define AUTH_ALG_OPEN_SYSTEM 0x1 +#define AUTH_ALG_SHARED_KEY 0x2 + +static int ieee80211_wpa_set_auth_algs(struct ieee80211_device *ieee, int value) +{ + + struct ieee80211_security sec = { + .flags = SEC_AUTH_MODE, + }; + int ret = 0; + + if (value & AUTH_ALG_SHARED_KEY) { + sec.auth_mode = WLAN_AUTH_SHARED_KEY; + ieee->open_wep = 0; + } else { + sec.auth_mode = WLAN_AUTH_OPEN; + ieee->open_wep = 1; + } + + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + else + ret = -EOPNOTSUPP; + + return ret; +} + +static int ieee80211_wpa_set_param(struct ieee80211_device *ieee, u8 name, u32 value) +{ + int ret=0; + unsigned long flags; + + switch (name) { + case IEEE_PARAM_WPA_ENABLED: + ret = ieee80211_wpa_enable(ieee, value); + break; + + case IEEE_PARAM_TKIP_COUNTERMEASURES: + ieee->tkip_countermeasures=value; + break; + + case IEEE_PARAM_DROP_UNENCRYPTED: { + /* HACK: + * + * wpa_supplicant calls set_wpa_enabled when the driver + * is loaded and unloaded, regardless of if WPA is being + * used. No other calls are made which can be used to + * determine if encryption will be used or not prior to + * association being expected. If encryption is not being + * used, drop_unencrypted is set to false, else true -- we + * can use this to determine if the CAP_PRIVACY_ON bit should + * be set. + */ + struct ieee80211_security sec = { + .flags = SEC_ENABLED, + .enabled = value, + }; + ieee->drop_unencrypted = value; + /* We only change SEC_LEVEL for open mode. Others + * are set by ipw_wpa_set_encryption. + */ + if (!value) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_0; + } + else { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_1; + } + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + break; + } + + case IEEE_PARAM_PRIVACY_INVOKED: + ieee->privacy_invoked=value; + break; + + case IEEE_PARAM_AUTH_ALGS: + ret = ieee80211_wpa_set_auth_algs(ieee, value); + break; + + case IEEE_PARAM_IEEE_802_1X: + ieee->ieee802_1x=value; + break; + case IEEE_PARAM_WPAX_SELECT: + // added for WPA2 mixed mode + //printk(KERN_WARNING "------------------------>wpax value = %x\n", value); + spin_lock_irqsave(&ieee->wpax_suitlist_lock,flags); + ieee->wpax_type_set = 1; + ieee->wpax_type_notify = value; + spin_unlock_irqrestore(&ieee->wpax_suitlist_lock,flags); + break; + + default: + printk("Unknown WPA param: %d\n",name); + ret = -EOPNOTSUPP; + } + + return ret; +} + +/* implementation borrowed from hostap driver */ + +static int ieee80211_wpa_set_encryption(struct ieee80211_device *ieee, + struct ieee_param *param, int param_len) +{ + int ret = 0; + + struct ieee80211_crypto_ops *ops; + struct ieee80211_crypt_data **crypt; + + struct ieee80211_security sec = { + .flags = 0, + }; + + param->u.crypt.err = 0; + param->u.crypt.alg[IEEE_CRYPT_ALG_NAME_LEN - 1] = '\0'; + + if (param_len != + (int) ((char *) param->u.crypt.key - (char *) param) + + param->u.crypt.key_len) { + printk("Len mismatch %d, %d\n", param_len, + param->u.crypt.key_len); + return -EINVAL; + } + if (param->sta_addr[0] == 0xff && param->sta_addr[1] == 0xff && + param->sta_addr[2] == 0xff && param->sta_addr[3] == 0xff && + param->sta_addr[4] == 0xff && param->sta_addr[5] == 0xff) { + if (param->u.crypt.idx >= WEP_KEYS) + return -EINVAL; + crypt = &ieee->crypt[param->u.crypt.idx]; + } else { + return -EINVAL; + } + + if (strcmp(param->u.crypt.alg, "none") == 0) { + if (crypt) { + sec.enabled = 0; + // FIXME FIXME + //sec.encrypt = 0; + sec.level = SEC_LEVEL_0; + sec.flags |= SEC_ENABLED | SEC_LEVEL; + ieee80211_crypt_delayed_deinit(ieee, crypt); + } + goto done; + } + sec.enabled = 1; +// FIXME FIXME +// sec.encrypt = 1; + sec.flags |= SEC_ENABLED; + + /* IPW HW cannot build TKIP MIC, host decryption still needed. */ + if (!(ieee->host_encrypt || ieee->host_decrypt) && + strcmp(param->u.crypt.alg, "TKIP")) + goto skip_host_crypt; + + ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + if (ops == NULL && strcmp(param->u.crypt.alg, "WEP") == 0) { + request_module("ieee80211_crypt_wep"); + ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "TKIP") == 0) { + request_module("ieee80211_crypt_tkip"); + ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + } else if (ops == NULL && strcmp(param->u.crypt.alg, "CCMP") == 0) { + request_module("ieee80211_crypt_ccmp"); + ops = ieee80211_get_crypto_ops(param->u.crypt.alg); + } + if (ops == NULL) { + printk("unknown crypto alg '%s'\n", param->u.crypt.alg); + param->u.crypt.err = IEEE_CRYPT_ERR_UNKNOWN_ALG; + ret = -EINVAL; + goto done; + } + + if (*crypt == NULL || (*crypt)->ops != ops) { + struct ieee80211_crypt_data *new_crypt; + + ieee80211_crypt_delayed_deinit(ieee, crypt); + + new_crypt = (struct ieee80211_crypt_data *) + kmalloc(sizeof(*new_crypt), GFP_KERNEL); + if (new_crypt == NULL) { + ret = -ENOMEM; + goto done; + } + memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); + new_crypt->ops = ops; + if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + new_crypt->priv = + new_crypt->ops->init(param->u.crypt.idx); + + if (new_crypt->priv == NULL) { + kfree(new_crypt); + param->u.crypt.err = IEEE_CRYPT_ERR_CRYPT_INIT_FAILED; + ret = -EINVAL; + goto done; + } + + *crypt = new_crypt; + } + + if (param->u.crypt.key_len > 0 && (*crypt)->ops->set_key && + (*crypt)->ops->set_key(param->u.crypt.key, + param->u.crypt.key_len, param->u.crypt.seq, + (*crypt)->priv) < 0) { + printk("key setting failed\n"); + param->u.crypt.err = IEEE_CRYPT_ERR_KEY_SET_FAILED; + ret = -EINVAL; + goto done; + } + + skip_host_crypt: + if (param->u.crypt.set_tx) { + ieee->tx_keyidx = param->u.crypt.idx; + sec.active_key = param->u.crypt.idx; + sec.flags |= SEC_ACTIVE_KEY; + } else + sec.flags &= ~SEC_ACTIVE_KEY; + + if (param->u.crypt.alg != NULL) { + memcpy(sec.keys[param->u.crypt.idx], + param->u.crypt.key, + param->u.crypt.key_len); + sec.key_sizes[param->u.crypt.idx] = param->u.crypt.key_len; + sec.flags |= (1 << param->u.crypt.idx); + + if (strcmp(param->u.crypt.alg, "WEP") == 0) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_1; + } else if (strcmp(param->u.crypt.alg, "TKIP") == 0) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_2; + } else if (strcmp(param->u.crypt.alg, "CCMP") == 0) { + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_3; + } + } + done: + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + + /* Do not reset port if card is in Managed mode since resetting will + * generate new IEEE 802.11 authentication which may end up in looping + * with IEEE 802.1X. If your hardware requires a reset after WEP + * configuration (for example... Prism2), implement the reset_port in + * the callbacks structures used to initialize the 802.11 stack. */ + if (ieee->reset_on_keychange && + ieee->iw_mode != IW_MODE_INFRA && + ieee->reset_port && + ieee->reset_port(ieee->dev)) { + printk("reset_port failed\n"); + param->u.crypt.err = IEEE_CRYPT_ERR_CARD_CONF_FAILED; + return -EINVAL; + } + + return ret; +} + +int ieee80211_wpa_supplicant_ioctl(struct ieee80211_device *ieee, struct iw_point *p) +{ + struct ieee_param *param; + int ret=0; + + down(&ieee->wx_sem); + //IEEE_DEBUG_INFO("wpa_supplicant: len=%d\n", p->length); + + if (p->length < sizeof(struct ieee_param) || !p->pointer){ + ret = -EINVAL; + goto out; + } + + param = (struct ieee_param *)kmalloc(p->length, GFP_KERNEL); + if (param == NULL){ + ret = -ENOMEM; + goto out; + } + if (copy_from_user(param, p->pointer, p->length)) { + kfree(param); + ret = -EFAULT; + goto out; + } + + switch (param->cmd) { + + case IEEE_CMD_SET_WPA_PARAM: + ret = ieee80211_wpa_set_param(ieee, param->u.wpa_param.name, + param->u.wpa_param.value); + break; + + case IEEE_CMD_SET_WPA_IE: + ret = ieee80211_wpa_set_wpa_ie(ieee, param, p->length); + break; + + case IEEE_CMD_SET_ENCRYPTION: + ret = ieee80211_wpa_set_encryption(ieee, param, p->length); + break; + + case IEEE_CMD_MLME: + ret = ieee80211_wpa_mlme(ieee, param->u.mlme.command, + param->u.mlme.reason_code); + break; + + default: + printk("Unknown WPA supplicant request: %d\n",param->cmd); + ret = -EOPNOTSUPP; + break; + } + + if (ret == 0 && copy_to_user(p->pointer, param, p->length)) + ret = -EFAULT; + + kfree(param); +out: + up(&ieee->wx_sem); + + return ret; +} + +void notify_wx_assoc_event(struct ieee80211_device *ieee) +{ + union iwreq_data wrqu; + wrqu.ap_addr.sa_family = ARPHRD_ETHER; + if (ieee->state == IEEE80211_LINKED) + memcpy(wrqu.ap_addr.sa_data, ieee->current_network.bssid, ETH_ALEN); + else + memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN); + wireless_send_event(ieee->dev, SIOCGIWAP, &wrqu, NULL); +} + + +#if 0 +EXPORT_SYMBOL(ieee80211_get_beacon); +EXPORT_SYMBOL(ieee80211_wake_queue); +EXPORT_SYMBOL(ieee80211_stop_queue); +EXPORT_SYMBOL(ieee80211_reset_queue); +EXPORT_SYMBOL(ieee80211_softmac_stop_protocol); +EXPORT_SYMBOL(ieee80211_softmac_start_protocol); +EXPORT_SYMBOL(ieee80211_is_shortslot); +EXPORT_SYMBOL(ieee80211_is_54g); +EXPORT_SYMBOL(ieee80211_wpa_supplicant_ioctl); +EXPORT_SYMBOL(ieee80211_ps_tx_ack); +EXPORT_SYMBOL(ieee80211_start_protocol); +EXPORT_SYMBOL(ieee80211_stop_protocol); +EXPORT_SYMBOL(notify_wx_assoc_event); +EXPORT_SYMBOL(ieee80211_stop_send_beacons); +EXPORT_SYMBOL(SendDisassociation); +EXPORT_SYMBOL(ieee80211_disassociate); +EXPORT_SYMBOL(ieee80211_start_scan); +EXPORT_SYMBOL(ieee80211_softmac_ips_scan_syncro); +#ifdef _RTL8187_EXT_PATCH_ +EXPORT_SYMBOL(ieee80211_ext_issue_assoc_req); +EXPORT_SYMBOL(ieee80211_ext_issue_disassoc); +EXPORT_SYMBOL(ieee80211_ext_issue_assoc_rsp); +EXPORT_SYMBOL(softmac_mgmt_xmit); +EXPORT_SYMBOL(ieee80211_ext_probe_resp_by_net); +EXPORT_SYMBOL(ieee80211_start_scan); +EXPORT_SYMBOL(ieee80211_stop_scan); +EXPORT_SYMBOL(ieee80211_ext_send_11s_beacon); +EXPORT_SYMBOL(ieee80211_rx_auth_rq); +EXPORT_SYMBOL(ieee80211_associate_step1); +#endif // _RTL8187_EXT_PATCH_ +EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame); +#endif diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c new file mode 100644 index 00000000000..93af37e2d31 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c @@ -0,0 +1,602 @@ +/* IEEE 802.11 SoftMAC layer + * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it> + * + * Mostly extracted from the rtl8180-sa2400 driver for the + * in-kernel generic ieee802.11 stack. + * + * Some pieces of code might be stolen from ipw2100 driver + * copyright of who own it's copyright ;-) + * + * PS wx handler mostly stolen from hostap, copyright who + * own it's copyright ;-) + * + * released under the GPL + */ + + +#include "ieee80211.h" + +/* FIXME: add A freqs */ + +const long ieee80211_wlan_frequencies[] = { + 2412, 2417, 2422, 2427, + 2432, 2437, 2442, 2447, + 2452, 2457, 2462, 2467, + 2472, 2484 +}; + + +int ieee80211_wx_set_freq(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + int ret; + struct iw_freq *fwrq = & wrqu->freq; +// printk("in %s\n",__func__); + down(&ieee->wx_sem); + + if(ieee->iw_mode == IW_MODE_INFRA){ + ret = -EOPNOTSUPP; + goto out; + } + + /* if setting by freq convert to channel */ + if (fwrq->e == 1) { + if ((fwrq->m >= (int) 2.412e8 && + fwrq->m <= (int) 2.487e8)) { + int f = fwrq->m / 100000; + int c = 0; + + while ((c < 14) && (f != ieee80211_wlan_frequencies[c])) + c++; + + /* hack to fall through */ + fwrq->e = 0; + fwrq->m = c + 1; + } + } + + if (fwrq->e > 0 || fwrq->m > 14 || fwrq->m < 1 ){ + ret = -EOPNOTSUPP; + goto out; + + }else { /* Set the channel */ + + + ieee->current_network.channel = fwrq->m; + ieee->set_chan(ieee->dev, ieee->current_network.channel); + + if(ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER) + if(ieee->state == IEEE80211_LINKED){ + + ieee80211_stop_send_beacons(ieee); + ieee80211_start_send_beacons(ieee); + } + } + + ret = 0; +out: + up(&ieee->wx_sem); + return ret; +} + + +int ieee80211_wx_get_freq(struct ieee80211_device *ieee, + struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + struct iw_freq *fwrq = & wrqu->freq; + + if (ieee->current_network.channel == 0) + return -1; + + fwrq->m = ieee->current_network.channel; + fwrq->e = 0; + + return 0; +} + +int ieee80211_wx_get_wap(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + unsigned long flags; + + wrqu->ap_addr.sa_family = ARPHRD_ETHER; + + if (ieee->iw_mode == IW_MODE_MONITOR) + return -1; + + /* We want avoid to give to the user inconsistent infos*/ + spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->state != IEEE80211_LINKED && + ieee->state != IEEE80211_LINKED_SCANNING && + ieee->wap_set == 0) + + memset(wrqu->ap_addr.sa_data, 0, ETH_ALEN); + else + memcpy(wrqu->ap_addr.sa_data, + ieee->current_network.bssid, ETH_ALEN); + + spin_unlock_irqrestore(&ieee->lock, flags); + + return 0; +} + + +int ieee80211_wx_set_wap(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *awrq, + char *extra) +{ + + int ret = 0; + u8 zero[] = {0,0,0,0,0,0}; + unsigned long flags; + + short ifup = ieee->proto_started;//dev->flags & IFF_UP; + struct sockaddr *temp = (struct sockaddr *)awrq; + + //printk("=======Set WAP:"); + ieee->sync_scan_hurryup = 1; + + down(&ieee->wx_sem); + /* use ifconfig hw ether */ + if (ieee->iw_mode == IW_MODE_MASTER){ + ret = -1; + goto out; + } + + if (temp->sa_family != ARPHRD_ETHER){ + ret = -EINVAL; + goto out; + } + + if (ifup) + ieee80211_stop_protocol(ieee); + + /* just to avoid to give inconsistent infos in the + * get wx method. not really needed otherwise + */ + spin_lock_irqsave(&ieee->lock, flags); + + memcpy(ieee->current_network.bssid, temp->sa_data, ETH_ALEN); + ieee->wap_set = memcmp(temp->sa_data, zero,ETH_ALEN)!=0; + //printk(" %x:%x:%x:%x:%x:%x\n", ieee->current_network.bssid[0],ieee->current_network.bssid[1],ieee->current_network.bssid[2],ieee->current_network.bssid[3],ieee->current_network.bssid[4],ieee->current_network.bssid[5]); + + spin_unlock_irqrestore(&ieee->lock, flags); + + if (ifup) + ieee80211_start_protocol(ieee); + +out: + up(&ieee->wx_sem); + return ret; +} + + int ieee80211_wx_get_essid(struct ieee80211_device *ieee, struct iw_request_info *a,union iwreq_data *wrqu,char *b) +{ + int len,ret = 0; + unsigned long flags; + + if (ieee->iw_mode == IW_MODE_MONITOR) + return -1; + + /* We want avoid to give to the user inconsistent infos*/ + spin_lock_irqsave(&ieee->lock, flags); + + if (ieee->current_network.ssid[0] == '\0' || + ieee->current_network.ssid_len == 0){ + ret = -1; + goto out; + } + + if (ieee->state != IEEE80211_LINKED && + ieee->state != IEEE80211_LINKED_SCANNING && + ieee->ssid_set == 0){ + ret = -1; + goto out; + } + len = ieee->current_network.ssid_len; + wrqu->essid.length = len; + strncpy(b,ieee->current_network.ssid,len); + wrqu->essid.flags = 1; + +out: + spin_unlock_irqrestore(&ieee->lock, flags); + + return ret; + +} + +int ieee80211_wx_set_rate(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + + u32 target_rate = wrqu->bitrate.value; + + //added by lizhaoming for auto mode + if(target_rate == -1){ + ieee->rate = 110; + } else { + ieee->rate = target_rate/100000; + } + //FIXME: we might want to limit rate also in management protocols. + return 0; +} + + + +int ieee80211_wx_get_rate(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + + wrqu->bitrate.value = ieee->rate * 100000; + + return 0; +} + +int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + + ieee->sync_scan_hurryup = 1; + + down(&ieee->wx_sem); + + if (wrqu->mode == ieee->iw_mode) + goto out; + + if (wrqu->mode == IW_MODE_MONITOR){ + + ieee->dev->type = ARPHRD_IEEE80211; + }else{ + ieee->dev->type = ARPHRD_ETHER; + } + + if (!ieee->proto_started){ + ieee->iw_mode = wrqu->mode; + }else{ + ieee80211_stop_protocol(ieee); + ieee->iw_mode = wrqu->mode; + ieee80211_start_protocol(ieee); + } + +out: + up(&ieee->wx_sem); + return 0; +} + + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20) +void ieee80211_wx_sync_scan_wq(struct work_struct *work) +{ + struct ieee80211_device *ieee = container_of(work, struct ieee80211_device, wx_sync_scan_wq); +#else +void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee) +{ +#endif +//void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee) +//{ + short chan; + + chan = ieee->current_network.channel; + + netif_carrier_off(ieee->dev); + + if (ieee->data_hard_stop) + ieee->data_hard_stop(ieee->dev); + + ieee80211_stop_send_beacons(ieee); + + ieee->state = IEEE80211_LINKED_SCANNING; + ieee->link_change(ieee->dev); + + ieee80211_start_scan_syncro(ieee); + + ieee->set_chan(ieee->dev, chan); + + ieee->state = IEEE80211_LINKED; + ieee->link_change(ieee->dev); + + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + if(ieee->iw_mode == IW_MODE_ADHOC || ieee->iw_mode == IW_MODE_MASTER) + ieee80211_start_send_beacons(ieee); + + netif_carrier_on(ieee->dev); + + //YJ,add,080828, In prevent of lossing ping packet during scanning + //ieee80211_sta_ps_send_null_frame(ieee, false); + //YJ,add,080828,end + + up(&ieee->wx_sem); + +} + +int ieee80211_wx_set_scan(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + int ret = 0; + + down(&ieee->wx_sem); + + if (ieee->iw_mode == IW_MODE_MONITOR || !(ieee->proto_started)){ + ret = -1; + goto out; + } + //YJ,add,080828 + //In prevent of lossing ping packet during scanning + //ieee80211_sta_ps_send_null_frame(ieee, true); + //YJ,add,080828,end + + if ( ieee->state == IEEE80211_LINKED){ + queue_work(ieee->wq, &ieee->wx_sync_scan_wq); + /* intentionally forget to up sem */ + return 0; + } + +out: + up(&ieee->wx_sem); + return ret; +} + +int ieee80211_wx_set_essid(struct ieee80211_device *ieee, + struct iw_request_info *a, + union iwreq_data *wrqu, char *extra) +{ + + int ret=0,len; + short proto_started; + unsigned long flags; + + ieee->sync_scan_hurryup = 1; + + down(&ieee->wx_sem); + + proto_started = ieee->proto_started; + + if (wrqu->essid.length > IW_ESSID_MAX_SIZE){ + ret= -E2BIG; + goto out; + } + + if (ieee->iw_mode == IW_MODE_MONITOR){ + ret= -1; + goto out; + } + + if(proto_started) + ieee80211_stop_protocol(ieee); + + /* this is just to be sure that the GET wx callback + * has consisten infos. not needed otherwise + */ + spin_lock_irqsave(&ieee->lock, flags); + + if (wrqu->essid.flags && wrqu->essid.length) { +//YJ,modified,080819 +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) + len = ((wrqu->essid.length-1) < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length-1) : IW_ESSID_MAX_SIZE; +#else + len = (wrqu->essid.length < IW_ESSID_MAX_SIZE) ? (wrqu->essid.length) : IW_ESSID_MAX_SIZE; +#endif + memset(ieee->current_network.ssid, 0, ieee->current_network.ssid_len); //YJ,add,080819 + strncpy(ieee->current_network.ssid, extra, len); + ieee->current_network.ssid_len = len; + ieee->ssid_set = 1; +//YJ,modified,080819,end + + //YJ,add,080819,for hidden ap + if(len == 0){ + memset(ieee->current_network.bssid, 0, ETH_ALEN); + ieee->current_network.capability = 0; + } + //YJ,add,080819,for hidden ap,end + } + else{ + ieee->ssid_set = 0; + ieee->current_network.ssid[0] = '\0'; + ieee->current_network.ssid_len = 0; + } + //printk("==========set essid %s!\n",ieee->current_network.ssid); + spin_unlock_irqrestore(&ieee->lock, flags); + + if (proto_started) + ieee80211_start_protocol(ieee); +out: + up(&ieee->wx_sem); + return ret; +} + + int ieee80211_wx_get_mode(struct ieee80211_device *ieee, struct iw_request_info *a, + union iwreq_data *wrqu, char *b) +{ + + wrqu->mode = ieee->iw_mode; + return 0; +} + + int ieee80211_wx_set_rawtx(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + + int *parms = (int *)extra; + int enable = (parms[0] > 0); + short prev = ieee->raw_tx; + + down(&ieee->wx_sem); + + if(enable) + ieee->raw_tx = 1; + else + ieee->raw_tx = 0; + + printk(KERN_INFO"raw TX is %s\n", + ieee->raw_tx ? "enabled" : "disabled"); + + if(ieee->iw_mode == IW_MODE_MONITOR) + { + if(prev == 0 && ieee->raw_tx){ + if (ieee->data_hard_resume) + ieee->data_hard_resume(ieee->dev); + + netif_carrier_on(ieee->dev); + } + + if(prev && ieee->raw_tx == 1) + netif_carrier_off(ieee->dev); + } + + up(&ieee->wx_sem); + + return 0; +} + +int ieee80211_wx_get_name(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + strcpy(wrqu->name, "802.11"); + if(ieee->modulation & IEEE80211_CCK_MODULATION){ + strcat(wrqu->name, "b"); + if(ieee->modulation & IEEE80211_OFDM_MODULATION) + strcat(wrqu->name, "/g"); + }else if(ieee->modulation & IEEE80211_OFDM_MODULATION) + strcat(wrqu->name, "g"); + + if((ieee->state == IEEE80211_LINKED) || + (ieee->state == IEEE80211_LINKED_SCANNING)) + strcat(wrqu->name," linked"); + else if(ieee->state != IEEE80211_NOLINK) + strcat(wrqu->name," link.."); + + + return 0; +} + + +/* this is mostly stolen from hostap */ +int ieee80211_wx_set_power(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + int ret = 0; + + if( + (!ieee->sta_wake_up) || + (!ieee->ps_request_tx_ack) || + (!ieee->enter_sleep_state) || + (!ieee->ps_is_queue_empty)){ + + printk("ERROR. PS mode is tryied to be use but\ +driver missed a callback\n\n"); + + return -1; + } + + down(&ieee->wx_sem); + + if (wrqu->power.disabled){ + ieee->ps = IEEE80211_PS_DISABLED; + + goto exit; + } + switch (wrqu->power.flags & IW_POWER_MODE) { + case IW_POWER_UNICAST_R: + ieee->ps = IEEE80211_PS_UNICAST; + + break; + case IW_POWER_ALL_R: + ieee->ps = IEEE80211_PS_UNICAST | IEEE80211_PS_MBCAST; + break; + + case IW_POWER_ON: + ieee->ps = IEEE80211_PS_DISABLED; + break; + + default: + ret = -EINVAL; + goto exit; + } + + if (wrqu->power.flags & IW_POWER_TIMEOUT) { + + ieee->ps_timeout = wrqu->power.value / 1000; + printk("Timeout %d\n",ieee->ps_timeout); + } + + if (wrqu->power.flags & IW_POWER_PERIOD) { + + ret = -EOPNOTSUPP; + goto exit; + //wrq->value / 1024; + + } +exit: + up(&ieee->wx_sem); + return ret; + +} + +/* this is stolen from hostap */ +int ieee80211_wx_get_power(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + int ret =0; + + down(&ieee->wx_sem); + + if(ieee->ps == IEEE80211_PS_DISABLED){ + wrqu->power.disabled = 1; + goto exit; + } + + wrqu->power.disabled = 0; + +// if ((wrqu->power.flags & IW_POWER_TYPE) == IW_POWER_TIMEOUT) { + wrqu->power.flags = IW_POWER_TIMEOUT; + wrqu->power.value = ieee->ps_timeout * 1000; +// } else { +// ret = -EOPNOTSUPP; +// goto exit; + //wrqu->power.flags = IW_POWER_PERIOD; + //wrqu->power.value = ieee->current_network.dtim_period * + // ieee->current_network.beacon_interval * 1024; +// } + + + if (ieee->ps & IEEE80211_PS_MBCAST) + wrqu->power.flags |= IW_POWER_ALL_R; + else + wrqu->power.flags |= IW_POWER_UNICAST_R; + +exit: + up(&ieee->wx_sem); + return ret; + +} + +#if 0 +EXPORT_SYMBOL(ieee80211_wx_get_essid); +EXPORT_SYMBOL(ieee80211_wx_set_essid); +EXPORT_SYMBOL(ieee80211_wx_set_rate); +EXPORT_SYMBOL(ieee80211_wx_get_rate); +EXPORT_SYMBOL(ieee80211_wx_set_wap); +EXPORT_SYMBOL(ieee80211_wx_get_wap); +EXPORT_SYMBOL(ieee80211_wx_set_mode); +EXPORT_SYMBOL(ieee80211_wx_get_mode); +EXPORT_SYMBOL(ieee80211_wx_set_scan); +EXPORT_SYMBOL(ieee80211_wx_get_freq); +EXPORT_SYMBOL(ieee80211_wx_set_freq); +EXPORT_SYMBOL(ieee80211_wx_set_rawtx); +EXPORT_SYMBOL(ieee80211_wx_get_name); +EXPORT_SYMBOL(ieee80211_wx_set_power); +EXPORT_SYMBOL(ieee80211_wx_get_power); +EXPORT_SYMBOL(ieee80211_wlan_frequencies); +#endif diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c new file mode 100644 index 00000000000..33a0687252a --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c @@ -0,0 +1,828 @@ +/****************************************************************************** + + Copyright(c) 2003 - 2004 Intel Corporation. All rights reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + James P. Ketrenos <ipw2100-admin@linux.intel.com> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +****************************************************************************** + + Few modifications for Realtek's Wi-Fi drivers by + Andrea Merello <andreamrl@tiscali.it> + + A special thanks goes to Realtek for their support ! + +******************************************************************************/ + +#include <linux/compiler.h> +//#include <linux/config.h> +#include <linux/errno.h> +#include <linux/if_arp.h> +#include <linux/in6.h> +#include <linux/in.h> +#include <linux/ip.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/netdevice.h> +#include <linux/pci.h> +#include <linux/proc_fs.h> +#include <linux/skbuff.h> +#include <linux/slab.h> +#include <linux/tcp.h> +#include <linux/types.h> +#include <linux/version.h> +#include <linux/wireless.h> +#include <linux/etherdevice.h> +#include <asm/uaccess.h> +#include <linux/if_vlan.h> + +#include "ieee80211.h" + + +/* + + +802.11 Data Frame + + +802.11 frame_contorl for data frames - 2 bytes + ,-----------------------------------------------------------------------------------------. +bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | a | b | c | d | e | + |----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|------| +val | 0 | 0 | 0 | 1 | x | 0 | 0 | 0 | 1 | 0 | x | x | x | x | x | + |----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|-----|------| +desc | ^-ver-^ | ^type-^ | ^-----subtype-----^ | to |from |more |retry| pwr |more |wep | + | | | x=0 data,x=1 data+ack | DS | DS |frag | | mgm |data | | + '-----------------------------------------------------------------------------------------' + /\ + | +802.11 Data Frame | + ,--------- 'ctrl' expands to >-----------' + | + ,--'---,-------------------------------------------------------------. +Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 | + |------|------|---------|---------|---------|------|---------|------| +Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | Frame | fcs | + | | tion | (BSSID) | | | ence | data | | + `--------------------------------------------------| |------' +Total: 28 non-data bytes `----.----' + | + .- 'Frame data' expands to <---------------------------' + | + V + ,---------------------------------------------------. +Bytes | 1 | 1 | 1 | 3 | 2 | 0-2304 | + |------|------|---------|----------|------|---------| +Desc. | SNAP | SNAP | Control |Eth Tunnel| Type | IP | + | DSAP | SSAP | | | | Packet | + | 0xAA | 0xAA |0x03 (UI)|0x00-00-F8| | | + `-----------------------------------------| | +Total: 8 non-data bytes `----.----' + | + .- 'IP Packet' expands, if WEP enabled, to <--' + | + V + ,-----------------------. +Bytes | 4 | 0-2296 | 4 | + |-----|-----------|-----| +Desc. | IV | Encrypted | ICV | + | | IP Packet | | + `-----------------------' +Total: 8 non-data bytes + + +802.3 Ethernet Data Frame + + ,-----------------------------------------. +Bytes | 6 | 6 | 2 | Variable | 4 | + |-------|-------|------|-----------|------| +Desc. | Dest. | Source| Type | IP Packet | fcs | + | MAC | MAC | | | | + `-----------------------------------------' +Total: 18 non-data bytes + +In the event that fragmentation is required, the incoming payload is split into +N parts of size ieee->fts. The first fragment contains the SNAP header and the +remaining packets are just data. + +If encryption is enabled, each fragment payload size is reduced by enough space +to add the prefix and postfix (IV and ICV totalling 8 bytes in the case of WEP) +So if you have 1500 bytes of payload with ieee->fts set to 500 without +encryption it will take 3 frames. With WEP it will take 4 frames as the +payload of each frame is reduced to 492 bytes. + +* SKB visualization +* +* ,- skb->data +* | +* | ETHERNET HEADER ,-<-- PAYLOAD +* | | 14 bytes from skb->data +* | 2 bytes for Type --> ,T. | (sizeof ethhdr) +* | | | | +* |,-Dest.--. ,--Src.---. | | | +* | 6 bytes| | 6 bytes | | | | +* v | | | | | | +* 0 | v 1 | v | v 2 +* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 +* ^ | ^ | ^ | +* | | | | | | +* | | | | `T' <---- 2 bytes for Type +* | | | | +* | | '---SNAP--' <-------- 6 bytes for SNAP +* | | +* `-IV--' <-------------------- 4 bytes for IV (WEP) +* +* SNAP HEADER +* +*/ + +static u8 P802_1H_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0xf8 }; +static u8 RFC1042_OUI[P80211_OUI_LEN] = { 0x00, 0x00, 0x00 }; + +static inline int ieee80211_put_snap(u8 *data, u16 h_proto) +{ + struct ieee80211_snap_hdr *snap; + u8 *oui; + + snap = (struct ieee80211_snap_hdr *)data; + snap->dsap = 0xaa; + snap->ssap = 0xaa; + snap->ctrl = 0x03; + + if (h_proto == 0x8137 || h_proto == 0x80f3) + oui = P802_1H_OUI; + else + oui = RFC1042_OUI; + snap->oui[0] = oui[0]; + snap->oui[1] = oui[1]; + snap->oui[2] = oui[2]; + + *(u16 *)(data + SNAP_SIZE) = htons(h_proto); + + return SNAP_SIZE + sizeof(u16); +} + +int ieee80211_encrypt_fragment( + struct ieee80211_device *ieee, + struct sk_buff *frag, + int hdr_len) +{ + struct ieee80211_crypt_data* crypt = ieee->crypt[ieee->tx_keyidx]; + int res; + + /*added to care about null crypt condition, to solve that system hangs when shared keys error*/ + if (!crypt || !crypt->ops) + return -1; + +#ifdef CONFIG_IEEE80211_CRYPT_TKIP + struct ieee80211_hdr *header; + + if (ieee->tkip_countermeasures && + crypt && crypt->ops && strcmp(crypt->ops->name, "TKIP") == 0) { + header = (struct ieee80211_hdr *) frag->data; + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: TKIP countermeasures: dropped " + "TX packet to " MAC_FMT "\n", + ieee->dev->name, MAC_ARG(header->addr1)); + } + return -1; + } +#endif + /* To encrypt, frame format is: + * IV (4 bytes), clear payload (including SNAP), ICV (4 bytes) */ + + // PR: FIXME: Copied from hostap. Check fragmentation/MSDU/MPDU encryption. + /* Host-based IEEE 802.11 fragmentation for TX is not yet supported, so + * call both MSDU and MPDU encryption functions from here. */ + atomic_inc(&crypt->refcnt); + res = 0; + if (crypt->ops->encrypt_msdu) + res = crypt->ops->encrypt_msdu(frag, hdr_len, crypt->priv); + if (res == 0 && crypt->ops->encrypt_mpdu) + res = crypt->ops->encrypt_mpdu(frag, hdr_len, crypt->priv); + + atomic_dec(&crypt->refcnt); + if (res < 0) { + printk(KERN_INFO "%s: Encryption failed: len=%d.\n", + ieee->dev->name, frag->len); + ieee->ieee_stats.tx_discards++; + return -1; + } + + return 0; +} + + +void ieee80211_txb_free(struct ieee80211_txb *txb) { + int i; + if (unlikely(!txb)) + return; + for (i = 0; i < txb->nr_frags; i++) + if (txb->fragments[i]) + dev_kfree_skb_any(txb->fragments[i]); + kfree(txb); +} + +struct ieee80211_txb *ieee80211_alloc_txb(int nr_frags, int txb_size, + int gfp_mask) +{ + struct ieee80211_txb *txb; + int i; + txb = kmalloc( + sizeof(struct ieee80211_txb) + (sizeof(u8*) * nr_frags), + gfp_mask); + if (!txb) + return NULL; + + memset(txb, 0, sizeof(struct ieee80211_txb)); + txb->nr_frags = nr_frags; + txb->frag_size = txb_size; + + for (i = 0; i < nr_frags; i++) { + txb->fragments[i] = dev_alloc_skb(txb_size); + if (unlikely(!txb->fragments[i])) { + i--; + break; + } + } + if (unlikely(i != nr_frags)) { + while (i >= 0) + dev_kfree_skb_any(txb->fragments[i--]); + kfree(txb); + return NULL; + } + return txb; +} + +// Classify the to-be send data packet +// Need to acquire the sent queue index. +static int +ieee80211_classify(struct sk_buff *skb, struct ieee80211_network *network) +{ + struct ether_header *eh = (struct ether_header*)skb->data; + unsigned int wme_UP = 0; + + if(!network->QoS_Enable) { + skb->priority = 0; + return(wme_UP); + } + + if(eh->ether_type == __constant_htons(ETHERTYPE_IP)) { + const struct iphdr *ih = (struct iphdr*)(skb->data + \ + sizeof(struct ether_header)); + wme_UP = (ih->tos >> 5)&0x07; + } else if (vlan_tx_tag_present(skb)) {//vtag packet +#ifndef VLAN_PRI_SHIFT +#define VLAN_PRI_SHIFT 13 /* Shift to find VLAN user priority */ +#define VLAN_PRI_MASK 7 /* Mask for user priority bits in VLAN */ +#endif + u32 tag = vlan_tx_tag_get(skb); + wme_UP = (tag >> VLAN_PRI_SHIFT) & VLAN_PRI_MASK; + } else if(ETH_P_PAE == ntohs(((struct ethhdr *)skb->data)->h_proto)) { + //printk(KERN_WARNING "type = normal packet\n"); + wme_UP = 7; + } + + skb->priority = wme_UP; + return(wme_UP); +} + +#ifdef _RTL8187_EXT_PATCH_ +// based on part of ieee80211_xmit. Mainly allocate txb. ieee->lock is held +struct ieee80211_txb *ieee80211_ext_alloc_txb(struct sk_buff *skb, struct net_device *dev, struct ieee80211_hdr_3addr *header, int hdr_len, u8 isQoS, u16 *pQOS_ctl, int isEncrypt, struct ieee80211_crypt_data* crypt) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + struct ieee80211_device *ieee = netdev_priv(dev); +#else + struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv; +#endif + struct ieee80211_txb *txb = NULL; + struct ieee80211_hdr_3addr *frag_hdr; + int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size; + int ether_type; + int bytes, QOS_ctl; + struct sk_buff *skb_frag; + + ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto); + + /* Advance the SKB to the start of the payload */ + skb_pull(skb, sizeof(struct ethhdr)); + + /* Determine total amount of storage required for TXB packets */ + bytes = skb->len + SNAP_SIZE + sizeof(u16); + + /* Determine fragmentation size based on destination (multicast + * and broadcast are not fragmented) */ + // if (is_multicast_ether_addr(dest) || + // is_broadcast_ether_addr(dest)) { + if (is_multicast_ether_addr(header->addr1) || + is_broadcast_ether_addr(header->addr1)) { + frag_size = MAX_FRAG_THRESHOLD; + QOS_ctl = QOS_CTL_NOTCONTAIN_ACK; + } + else { + //printk(KERN_WARNING "&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&frag_size = %d\n", frag_size); + frag_size = ieee->fts;//default:392 + QOS_ctl = 0; + } + + if(isQoS) { + QOS_ctl |= skb->priority; //set in the ieee80211_classify + *pQOS_ctl = cpu_to_le16(QOS_ctl); + } + //printk(KERN_WARNING "header size = %d, QOS_ctl = %x\n", hdr_len,QOS_ctl); + /* Determine amount of payload per fragment. Regardless of if + * this stack is providing the full 802.11 header, one will + * eventually be affixed to this fragment -- so we must account for + * it when determining the amount of payload space. */ + //bytes_per_frag = frag_size - (IEEE80211_3ADDR_LEN + (ieee->current_network->QoS_Enable ? 2:0)); + bytes_per_frag = frag_size - hdr_len; + if (ieee->config & + (CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS)) + bytes_per_frag -= IEEE80211_FCS_LEN; + + /* Each fragment may need to have room for encryptiong pre/postfix */ + if (isEncrypt) + bytes_per_frag -= crypt->ops->extra_prefix_len + + crypt->ops->extra_postfix_len; + + /* Number of fragments is the total bytes_per_frag / + * payload_per_fragment */ + nr_frags = bytes / bytes_per_frag; + bytes_last_frag = bytes % bytes_per_frag; + if (bytes_last_frag) + nr_frags++; + else + bytes_last_frag = bytes_per_frag; + + /* When we allocate the TXB we allocate enough space for the reserve + * and full fragment bytes (bytes_per_frag doesn't include prefix, + * postfix, header, FCS, etc.) */ + txb = ieee80211_alloc_txb(nr_frags, frag_size, GFP_ATOMIC); + if (unlikely(!txb)) { + printk(KERN_WARNING "%s: Could not allocate TXB\n", + ieee->dev->name); + return NULL; + } + txb->encrypted = isEncrypt; + txb->payload_size = bytes; + + for (i = 0; i < nr_frags; i++) { + skb_frag = txb->fragments[i]; + skb_frag->priority = UP2AC(skb->priority); + if (isEncrypt) + skb_reserve(skb_frag, crypt->ops->extra_prefix_len); + + frag_hdr = (struct ieee80211_hdr_3addr *)skb_put(skb_frag, hdr_len); + memcpy(frag_hdr, (void *)header, hdr_len); + + /* If this is not the last fragment, then add the MOREFRAGS + * bit to the frame control */ + if (i != nr_frags - 1) { + frag_hdr->frame_ctl = cpu_to_le16( + header->frame_ctl | IEEE80211_FCTL_MOREFRAGS); + bytes = bytes_per_frag; + + } else { + /* The last fragment takes the remaining length */ + bytes = bytes_last_frag; + } + + frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | i); + //frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl<<4 | i); + // + + /* Put a SNAP header on the first fragment */ + if (i == 0) { + ieee80211_put_snap( + skb_put(skb_frag, SNAP_SIZE + sizeof(u16)), ether_type); + bytes -= SNAP_SIZE + sizeof(u16); + } + + memcpy(skb_put(skb_frag, bytes), skb->data, bytes); + + /* Advance the SKB... */ + skb_pull(skb, bytes); + + /* Encryption routine will move the header forward in order + * to insert the IV between the header and the payload */ + if (isEncrypt) + ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len); + if (ieee->config & + (CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS)) + skb_put(skb_frag, 4); + } + // Advance sequence number in data frame. + //printk(KERN_WARNING "QoS Enalbed? %s\n", ieee->current_network.QoS_Enable?"Y":"N"); + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + // stanley, just for debug +/* +{ + int j=0; + for(j=0;j<nr_frags;j++) + { + int i; + struct sk_buff *skb = txb->fragments[j]; + printk("send(%d): ", j); + for (i=0;i<skb->len;i++) + printk("%02X ", skb->data[i]&0xff); + printk("\n"); + } +} +*/ + + return txb; +} + + +// based on part of ieee80211_xmit. Mainly allocate txb. ieee->lock is held +// Assume no encryption, no FCS computing +struct ieee80211_txb *ieee80211_ext_reuse_txb(struct sk_buff *skb, struct net_device *dev, struct ieee80211_hdr_3addr *header, int hdr_len, u8 isQoS, u16 *pQOS_ctl, int isEncrypt, struct ieee80211_crypt_data* crypt) +{ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)) + struct ieee80211_device *ieee = netdev_priv(dev); +#else + struct ieee80211_device *ieee = (struct ieee80211_device *)dev->priv; +#endif + struct ieee80211_txb *txb = NULL; + struct ieee80211_hdr_3addr *frag_hdr; + int ether_type; + int bytes, QOS_ctl; + + ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto); + + /* Advance the SKB to the start of the payload */ + skb_pull(skb, sizeof(struct ethhdr)); + + /* Determine total amount of storage required for TXB packets */ + bytes = skb->len + SNAP_SIZE + sizeof(u16); + + if (is_multicast_ether_addr(header->addr1) || + is_broadcast_ether_addr(header->addr1)) { + QOS_ctl = QOS_CTL_NOTCONTAIN_ACK; + } + else { + QOS_ctl = 0; + } + + if(isQoS) { + QOS_ctl |= skb->priority; //set in the ieee80211_classify + *pQOS_ctl = cpu_to_le16(QOS_ctl); + } + + txb = kmalloc( sizeof(struct ieee80211_txb) + sizeof(u8*), GFP_ATOMIC ); + if (unlikely(!txb)) { + printk(KERN_WARNING "%s: Could not allocate TXB\n", + ieee->dev->name); + return NULL; + } + + txb->nr_frags = 1; + txb->frag_size = bytes; + txb->encrypted = isEncrypt; + txb->payload_size = bytes; + + txb->fragments[0] = skb; + ieee80211_put_snap( + skb_push(skb, SNAP_SIZE + sizeof(u16)), ether_type); + frag_hdr = (struct ieee80211_hdr_3addr *)skb_push(skb, hdr_len); + memcpy(frag_hdr, (void *)header, hdr_len); + frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | 0); + skb->priority = UP2AC(skb->priority); + + // Advance sequence number in data frame. + //printk(KERN_WARNING "QoS Enalbed? %s\n", ieee->current_network.QoS_Enable?"Y":"N"); + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + + return txb; +} + +#endif // _RTL8187_EXT_PATCH_ + +/* SKBs are added to the ieee->tx_queue. */ +int ieee80211_xmit(struct sk_buff *skb, + struct net_device *dev) +{ + struct ieee80211_device *ieee = netdev_priv(dev); + struct ieee80211_txb *txb = NULL; + struct ieee80211_hdr_3addr_QOS *frag_hdr; + int i, bytes_per_frag, nr_frags, bytes_last_frag, frag_size; + unsigned long flags; + struct net_device_stats *stats = &ieee->stats; + int ether_type, encrypt; + int bytes, fc, QOS_ctl, hdr_len; + struct sk_buff *skb_frag; + //struct ieee80211_hdr header = { /* Ensure zero initialized */ + // .duration_id = 0, + // .seq_ctl = 0 + //}; + struct ieee80211_hdr_3addr_QOS header = { /* Ensure zero initialized */ + .duration_id = 0, + .seq_ctl = 0, + .QOS_ctl = 0 + }; + u8 dest[ETH_ALEN], src[ETH_ALEN]; + + struct ieee80211_crypt_data* crypt; + + //printk(KERN_WARNING "upper layer packet!\n"); + spin_lock_irqsave(&ieee->lock, flags); + + /* If there is no driver handler to take the TXB, dont' bother + * creating it... */ + if ((!ieee->hard_start_xmit && !(ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE))|| + ((!ieee->softmac_data_hard_start_xmit && (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE)))) { + printk(KERN_WARNING "%s: No xmit handler.\n", + ieee->dev->name); + goto success; + } + + ieee80211_classify(skb,&ieee->current_network); + if(likely(ieee->raw_tx == 0)){ + + if (unlikely(skb->len < SNAP_SIZE + sizeof(u16))) { + printk(KERN_WARNING "%s: skb too small (%d).\n", + ieee->dev->name, skb->len); + goto success; + } + + +#ifdef _RTL8187_EXT_PATCH_ + // note, skb->priority which was set by ieee80211_classify, and used by physical tx + if((ieee->iw_mode == ieee->iw_ext_mode) && (ieee->ext_patch_ieee80211_xmit)) + { + txb = ieee->ext_patch_ieee80211_xmit(skb, dev); + goto success; + } +#endif + + ether_type = ntohs(((struct ethhdr *)skb->data)->h_proto); + + crypt = ieee->crypt[ieee->tx_keyidx]; + + encrypt = !(ether_type == ETH_P_PAE && ieee->ieee802_1x) && + ieee->host_encrypt && crypt && crypt->ops; + + if (!encrypt && ieee->ieee802_1x && + ieee->drop_unencrypted && ether_type != ETH_P_PAE) { + stats->tx_dropped++; + goto success; + } + + #ifdef CONFIG_IEEE80211_DEBUG + if (crypt && !encrypt && ether_type == ETH_P_PAE) { + struct eapol *eap = (struct eapol *)(skb->data + + sizeof(struct ethhdr) - SNAP_SIZE - sizeof(u16)); + IEEE80211_DEBUG_EAP("TX: IEEE 802.11 EAPOL frame: %s\n", + eap_get_type(eap->type)); + } + #endif + + /* Save source and destination addresses */ + memcpy(&dest, skb->data, ETH_ALEN); + memcpy(&src, skb->data+ETH_ALEN, ETH_ALEN); + + /* Advance the SKB to the start of the payload */ + skb_pull(skb, sizeof(struct ethhdr)); + + /* Determine total amount of storage required for TXB packets */ + bytes = skb->len + SNAP_SIZE + sizeof(u16); + + if(ieee->current_network.QoS_Enable) { + if (encrypt) + fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA | + IEEE80211_FCTL_WEP; + else + fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA; + + } else { + if (encrypt) + fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA | + IEEE80211_FCTL_WEP; + else + fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_DATA; + } + + if (ieee->iw_mode == IW_MODE_INFRA) { + fc |= IEEE80211_FCTL_TODS; + /* To DS: Addr1 = BSSID, Addr2 = SA, + Addr3 = DA */ + memcpy(&header.addr1, ieee->current_network.bssid, ETH_ALEN); + memcpy(&header.addr2, &src, ETH_ALEN); + memcpy(&header.addr3, &dest, ETH_ALEN); + } else if (ieee->iw_mode == IW_MODE_ADHOC) { + /* not From/To DS: Addr1 = DA, Addr2 = SA, + Addr3 = BSSID */ + memcpy(&header.addr1, dest, ETH_ALEN); + memcpy(&header.addr2, src, ETH_ALEN); + memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN); + } + // printk(KERN_WARNING "essid MAC address is "MAC_FMT, MAC_ARG(&header.addr1)); + header.frame_ctl = cpu_to_le16(fc); + //hdr_len = IEEE80211_3ADDR_LEN; + + /* Determine fragmentation size based on destination (multicast + * and broadcast are not fragmented) */ +// if (is_multicast_ether_addr(dest) || +// is_broadcast_ether_addr(dest)) { + if (is_multicast_ether_addr(header.addr1) || + is_broadcast_ether_addr(header.addr1)) { + frag_size = MAX_FRAG_THRESHOLD; + QOS_ctl = QOS_CTL_NOTCONTAIN_ACK; + } + else { + //printk(KERN_WARNING "&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&frag_size = %d\n", frag_size); + frag_size = ieee->fts;//default:392 + QOS_ctl = 0; + } + + if (ieee->current_network.QoS_Enable) { + hdr_len = IEEE80211_3ADDR_LEN + 2; + QOS_ctl |= skb->priority; //set in the ieee80211_classify + header.QOS_ctl = cpu_to_le16(QOS_ctl); + } else { + hdr_len = IEEE80211_3ADDR_LEN; + } + //printk(KERN_WARNING "header size = %d, QOS_ctl = %x\n", hdr_len,QOS_ctl); + /* Determine amount of payload per fragment. Regardless of if + * this stack is providing the full 802.11 header, one will + * eventually be affixed to this fragment -- so we must account for + * it when determining the amount of payload space. */ + //bytes_per_frag = frag_size - (IEEE80211_3ADDR_LEN + (ieee->current_network->QoS_Enable ? 2:0)); + bytes_per_frag = frag_size - hdr_len; + if (ieee->config & + (CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS)) + bytes_per_frag -= IEEE80211_FCS_LEN; + + /* Each fragment may need to have room for encryptiong pre/postfix */ + if (encrypt) + bytes_per_frag -= crypt->ops->extra_prefix_len + + crypt->ops->extra_postfix_len; + + /* Number of fragments is the total bytes_per_frag / + * payload_per_fragment */ + nr_frags = bytes / bytes_per_frag; + bytes_last_frag = bytes % bytes_per_frag; + if (bytes_last_frag) + nr_frags++; + else + bytes_last_frag = bytes_per_frag; + + /* When we allocate the TXB we allocate enough space for the reserve + * and full fragment bytes (bytes_per_frag doesn't include prefix, + * postfix, header, FCS, etc.) */ + txb = ieee80211_alloc_txb(nr_frags, frag_size, GFP_ATOMIC); + if (unlikely(!txb)) { + printk(KERN_WARNING "%s: Could not allocate TXB\n", + ieee->dev->name); + goto failed; + } + txb->encrypted = encrypt; + txb->payload_size = bytes; + + for (i = 0; i < nr_frags; i++) { + skb_frag = txb->fragments[i]; + skb_frag->priority = UP2AC(skb->priority); + if (encrypt) + skb_reserve(skb_frag, crypt->ops->extra_prefix_len); + + frag_hdr = (struct ieee80211_hdr_3addr_QOS *)skb_put(skb_frag, hdr_len); + memcpy(frag_hdr, &header, hdr_len); + + /* If this is not the last fragment, then add the MOREFRAGS + * bit to the frame control */ + if (i != nr_frags - 1) { + frag_hdr->frame_ctl = cpu_to_le16( + fc | IEEE80211_FCTL_MOREFRAGS); + bytes = bytes_per_frag; + + } else { + /* The last fragment takes the remaining length */ + bytes = bytes_last_frag; + } + if(ieee->current_network.QoS_Enable) { + // add 1 only indicate to corresponding seq number control 2006/7/12 + frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[UP2AC(skb->priority)+1]<<4 | i); + //printk(KERN_WARNING "skb->priority = %d,", skb->priority); + //printk(KERN_WARNING "type:%d: seq = %d\n",UP2AC(skb->priority),ieee->seq_ctrl[UP2AC(skb->priority)+1]); + } else { + frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl[0]<<4 | i); + } + //frag_hdr->seq_ctl = cpu_to_le16(ieee->seq_ctrl<<4 | i); + // + + /* Put a SNAP header on the first fragment */ + if (i == 0) { + ieee80211_put_snap( + skb_put(skb_frag, SNAP_SIZE + sizeof(u16)), + ether_type); + bytes -= SNAP_SIZE + sizeof(u16); + } + + memcpy(skb_put(skb_frag, bytes), skb->data, bytes); + + /* Advance the SKB... */ + skb_pull(skb, bytes); + + /* Encryption routine will move the header forward in order + * to insert the IV between the header and the payload */ + if (encrypt) + ieee80211_encrypt_fragment(ieee, skb_frag, hdr_len); + if (ieee->config & + (CFG_IEEE80211_COMPUTE_FCS | CFG_IEEE80211_RESERVE_FCS)) + skb_put(skb_frag, 4); + } + // Advance sequence number in data frame. + //printk(KERN_WARNING "QoS Enalbed? %s\n", ieee->current_network.QoS_Enable?"Y":"N"); + if (ieee->current_network.QoS_Enable) { + if (ieee->seq_ctrl[UP2AC(skb->priority) + 1] == 0xFFF) + ieee->seq_ctrl[UP2AC(skb->priority) + 1] = 0; + else + ieee->seq_ctrl[UP2AC(skb->priority) + 1]++; + } else { + if (ieee->seq_ctrl[0] == 0xFFF) + ieee->seq_ctrl[0] = 0; + else + ieee->seq_ctrl[0]++; + } + //--- + }else{ + if (unlikely(skb->len < sizeof(struct ieee80211_hdr_3addr))) { + printk(KERN_WARNING "%s: skb too small (%d).\n", + ieee->dev->name, skb->len); + goto success; + } + + txb = ieee80211_alloc_txb(1, skb->len, GFP_ATOMIC); + if(!txb){ + printk(KERN_WARNING "%s: Could not allocate TXB\n", + ieee->dev->name); + goto failed; + } + + txb->encrypted = 0; + txb->payload_size = skb->len; + memcpy(skb_put(txb->fragments[0],skb->len), skb->data, skb->len); + } + + success: + spin_unlock_irqrestore(&ieee->lock, flags); +#ifdef _RTL8187_EXT_PATCH_ + // Sometimes, extension mode can reuse skb (by txb->fragments[0]) + if( ! ((ieee->iw_mode == ieee->iw_ext_mode) && txb && (txb->fragments[0] == skb)) ) +#endif + dev_kfree_skb_any(skb); + if (txb) { + if (ieee->softmac_features & IEEE_SOFTMAC_TX_QUEUE){ + ieee80211_softmac_xmit(txb, ieee); + }else{ + if ((*ieee->hard_start_xmit)(txb, dev) == 0) { + stats->tx_packets++; + stats->tx_bytes += txb->payload_size; + return 0; + } + ieee80211_txb_free(txb); + } + } + + return 0; + + failed: + spin_unlock_irqrestore(&ieee->lock, flags); + netif_stop_queue(dev); + stats->tx_errors++; + return 1; + +} + +#if 0 +EXPORT_SYMBOL(ieee80211_txb_free); +#ifdef _RTL8187_EXT_PATCH_ +EXPORT_SYMBOL(ieee80211_alloc_txb); +EXPORT_SYMBOL(ieee80211_ext_alloc_txb); +EXPORT_SYMBOL(ieee80211_ext_reuse_txb); +#endif // _RTL8187_EXT_PATCH_ +#endif diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c new file mode 100644 index 00000000000..6aad61e7804 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c @@ -0,0 +1,884 @@ +/****************************************************************************** + + Copyright(c) 2004 Intel Corporation. All rights reserved. + + Portions of this file are based on the WEP enablement code provided by the + Host AP project hostap-drivers v0.1.3 + Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen + <jkmaline@cc.hut.fi> + Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2 of the GNU General Public License as + published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, but WITHOUT + ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + more details. + + You should have received a copy of the GNU General Public License along with + this program; if not, write to the Free Software Foundation, Inc., 59 + Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The full GNU General Public License is included in this distribution in the + file called LICENSE. + + Contact Information: + James P. Ketrenos <ipw2100-admin@linux.intel.com> + Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 + +******************************************************************************/ +#include <linux/wireless.h> +#include <linux/version.h> +#include <linux/kmod.h> +#include <linux/module.h> + +#include "ieee80211.h" +static const char *ieee80211_modes[] = { + "?", "a", "b", "ab", "g", "ag", "bg", "abg" +}; + +#ifdef FEDORACORE_9 +#define IN_FEDORACORE_9 1 +#else +#define IN_FEDORACORE_9 0 +#endif + +#define MAX_CUSTOM_LEN 64 +static inline char *rtl818x_translate_scan(struct ieee80211_device *ieee, + char *start, char *stop, + struct ieee80211_network *network, + struct iw_request_info *info) +{ + char custom[MAX_CUSTOM_LEN]; + char *p; + struct iw_event iwe; + int i, j; + u8 max_rate, rate; + + /* First entry *MUST* be the AP MAC address */ + iwe.cmd = SIOCGIWAP; + iwe.u.ap_addr.sa_family = ARPHRD_ETHER; + memcpy(iwe.u.ap_addr.sa_data, network->bssid, ETH_ALEN); +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_ADDR_LEN); +#else + start = iwe_stream_add_event(start, stop, &iwe, IW_EV_ADDR_LEN); +#endif + + /* Remaining entries will be displayed in the order we provide them */ + + /* Add the ESSID */ + iwe.cmd = SIOCGIWESSID; + iwe.u.data.flags = 1; + //YJ,modified,080903,for hidden ap + //if (network->flags & NETWORK_EMPTY_ESSID) { + if (network->ssid_len == 0) { + //YJ,modified,080903,end + iwe.u.data.length = sizeof("<hidden>"); +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, "<hidden>"); +#else + start = iwe_stream_add_point(start, stop, &iwe, "<hidden>"); +#endif + } else { + iwe.u.data.length = min(network->ssid_len, (u8)32); +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); +#else + start = iwe_stream_add_point(start, stop, &iwe, network->ssid); +#endif + } + //printk("ESSID: %s\n",network->ssid); + /* Add the protocol name */ + iwe.cmd = SIOCGIWNAME; + snprintf(iwe.u.name, IFNAMSIZ, "IEEE 802.11%s", ieee80211_modes[network->mode]); +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_CHAR_LEN); +#else + start = iwe_stream_add_event(start, stop, &iwe, IW_EV_CHAR_LEN); +#endif + + /* Add mode */ + iwe.cmd = SIOCGIWMODE; + if (network->capability & + (WLAN_CAPABILITY_BSS | WLAN_CAPABILITY_IBSS)) { + if (network->capability & WLAN_CAPABILITY_BSS) + iwe.u.mode = IW_MODE_MASTER; + else + iwe.u.mode = IW_MODE_ADHOC; + +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_UINT_LEN); +#else + start = iwe_stream_add_event(start, stop, &iwe, IW_EV_UINT_LEN); +#endif + } + + /* Add frequency/channel */ + iwe.cmd = SIOCGIWFREQ; +/* iwe.u.freq.m = ieee80211_frequency(network->channel, network->mode); + iwe.u.freq.e = 3; */ + iwe.u.freq.m = network->channel; + iwe.u.freq.e = 0; + iwe.u.freq.i = 0; +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_FREQ_LEN); +#else + start = iwe_stream_add_event(start, stop, &iwe, IW_EV_FREQ_LEN); +#endif + + /* Add encryption capability */ + iwe.cmd = SIOCGIWENCODE; + if (network->capability & WLAN_CAPABILITY_PRIVACY) + iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY; + else + iwe.u.data.flags = IW_ENCODE_DISABLED; + iwe.u.data.length = 0; +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, network->ssid); +#else + start = iwe_stream_add_point(start, stop, &iwe, network->ssid); +#endif + + /* Add basic and extended rates */ + max_rate = 0; + p = custom; + p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): "); + for (i = 0, j = 0; i < network->rates_len; ) { + if (j < network->rates_ex_len && + ((network->rates_ex[j] & 0x7F) < + (network->rates[i] & 0x7F))) + rate = network->rates_ex[j++] & 0x7F; + else + rate = network->rates[i++] & 0x7F; + if (rate > max_rate) + max_rate = rate; + p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), + "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); + } + for (; j < network->rates_ex_len; j++) { + rate = network->rates_ex[j] & 0x7F; + p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), + "%d%s ", rate >> 1, (rate & 1) ? ".5" : ""); + if (rate > max_rate) + max_rate = rate; + } + + iwe.cmd = SIOCGIWRATE; + iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0; + iwe.u.bitrate.value = max_rate * 500000; +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_PARAM_LEN); +#else + start = iwe_stream_add_event(start, stop, &iwe, IW_EV_PARAM_LEN); +#endif + + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = p - custom; + if (iwe.u.data.length) +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, custom); +#else + start = iwe_stream_add_point(start, stop, &iwe, custom); +#endif + + /* Add quality statistics */ + /* TODO: Fix these values... */ + if (network->stats.signal == 0 || network->stats.rssi == 0) + printk("========>signal:%d, rssi:%d\n", network->stats.signal, network->stats.rssi); + iwe.cmd = IWEVQUAL; +// printk("SIGNAL: %d,RSSI: %d,NOISE: %d\n",network->stats.signal,network->stats.rssi,network->stats.noise); + iwe.u.qual.qual = network->stats.signalstrength; + iwe.u.qual.level = network->stats.signal; + iwe.u.qual.noise = network->stats.noise; + iwe.u.qual.updated = network->stats.mask & IEEE80211_STATMASK_WEMASK; + if (!(network->stats.mask & IEEE80211_STATMASK_RSSI)) + iwe.u.qual.updated |= IW_QUAL_LEVEL_INVALID; + if (!(network->stats.mask & IEEE80211_STATMASK_NOISE)) + iwe.u.qual.updated |= IW_QUAL_NOISE_INVALID; + if (!(network->stats.mask & IEEE80211_STATMASK_SIGNAL)) + iwe.u.qual.updated |= IW_QUAL_QUAL_INVALID; + iwe.u.qual.updated = 7; +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_event(info, start, stop, &iwe, IW_EV_QUAL_LEN); +#else + start = iwe_stream_add_event(start, stop, &iwe, IW_EV_QUAL_LEN); +#endif + + iwe.cmd = IWEVCUSTOM; + p = custom; + + iwe.u.data.length = p - custom; + if (iwe.u.data.length) +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, custom); +#else + start = iwe_stream_add_point(start, stop, &iwe, custom); +#endif + +#if 0 + if (ieee->wpa_enabled && network->wpa_ie_len){ + char buf[MAX_WPA_IE_LEN * 2 + 30]; + // printk("WPA IE\n"); + u8 *p = buf; + p += sprintf(p, "wpa_ie="); + for (i = 0; i < network->wpa_ie_len; i++) { + p += sprintf(p, "%02x", network->wpa_ie[i]); + } + + memset(&iwe, 0, sizeof(iwe)); + iwe.cmd = IWEVCUSTOM; + iwe.u.data.length = strlen(buf); +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, buf); +#else + start = iwe_stream_add_point(start, stop, &iwe, buf); +#endif + } + + if (ieee->wpa_enabled && network->rsn_ie_len){ + char buf[MAX_WPA_IE_LEN * 2 + 30]; + + u8 *p = buf; + p += sprintf(p, "rsn_ie="); + for (i = 0; i < network->rsn_ie_len; i++) { + p += sprintf(p, "%02x", network->rsn_ie[i]); + } + + +#else + memset(&iwe, 0, sizeof(iwe)); + if (network->wpa_ie_len) { + // printk("wpa_ie_len:%d\n", network->wpa_ie_len); + char buf[MAX_WPA_IE_LEN]; + memcpy(buf, network->wpa_ie, network->wpa_ie_len); + iwe.cmd = IWEVGENIE; + iwe.u.data.length = network->wpa_ie_len; +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, buf); +#else + start = iwe_stream_add_point(start, stop, &iwe, buf); +#endif + } + + memset(&iwe, 0, sizeof(iwe)); + if (network->rsn_ie_len) { + // printk("=====>rsn_ie_len:\n", network->rsn_ie_len); + #if 0 + { + int i; + for (i=0; i<network->rsn_ie_len; i++); + printk("%2x ", network->rsn_ie[i]); + printk("\n"); + } + #endif + char buf[MAX_WPA_IE_LEN]; + memcpy(buf, network->rsn_ie, network->rsn_ie_len); + iwe.cmd = IWEVGENIE; + iwe.u.data.length = network->rsn_ie_len; +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, buf); +#else + start = iwe_stream_add_point(start, stop, &iwe, buf); +#endif + } + +#endif + + /* Add EXTRA: Age to display seconds since last beacon/probe response + * for given network. */ + iwe.cmd = IWEVCUSTOM; + p = custom; + p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), + " Last beacon: %lums ago", (jiffies - network->last_scanned) / (HZ / 100)); + iwe.u.data.length = p - custom; + if (iwe.u.data.length) +#if((LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,27))||IN_FEDORACORE_9) + start = iwe_stream_add_point(info, start, stop, &iwe, custom); +#else + start = iwe_stream_add_point(start, stop, &iwe, custom); +#endif + + return start; +} + +int ieee80211_wx_get_scan(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct ieee80211_network *network; + unsigned long flags; + int err = 0; + char *ev = extra; + char *stop = ev + wrqu->data.length;//IW_SCAN_MAX_DATA; + //char *stop = ev + IW_SCAN_MAX_DATA; + int i = 0; + + IEEE80211_DEBUG_WX("Getting scan\n"); + down(&ieee->wx_sem); + spin_lock_irqsave(&ieee->lock, flags); + + if(!ieee->bHwRadioOff) + { + list_for_each_entry(network, &ieee->network_list, list) { + i++; + + if((stop-ev)<200) + { + err = -E2BIG; + break; + } + if (ieee->scan_age == 0 || + time_after(network->last_scanned + ieee->scan_age, jiffies)) + { + ev = rtl818x_translate_scan(ieee, ev, stop, network, info); + } + else + IEEE80211_DEBUG_SCAN( + "Not showing network '%s (" + MAC_FMT ")' due to age (%lums).\n", + escape_essid(network->ssid, + network->ssid_len), + MAC_ARG(network->bssid), + (jiffies - network->last_scanned) / (HZ / 100)); + } + } + spin_unlock_irqrestore(&ieee->lock, flags); + up(&ieee->wx_sem); + wrqu->data.length = ev - extra; + wrqu->data.flags = 0; + IEEE80211_DEBUG_WX("exit: %d networks returned.\n", i); + + return err; +} + +int ieee80211_wx_set_encode(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *keybuf) +{ + struct iw_point *erq = &(wrqu->encoding); + struct net_device *dev = ieee->dev; + struct ieee80211_security sec = { + .flags = 0 + }; + int i, key, key_provided, len; + struct ieee80211_crypt_data **crypt; + + IEEE80211_DEBUG_WX("SET_ENCODE\n"); + + key = erq->flags & IW_ENCODE_INDEX; + if (key) { + if (key > WEP_KEYS) + return -EINVAL; + key--; + key_provided = 1; + } else { + key_provided = 0; + key = ieee->tx_keyidx; + } + + IEEE80211_DEBUG_WX("Key: %d [%s]\n", key, key_provided ? + "provided" : "default"); + + crypt = &ieee->crypt[key]; + + if (erq->flags & IW_ENCODE_DISABLED) { + if (key_provided && *crypt) { + IEEE80211_DEBUG_WX("Disabling encryption on key %d.\n", + key); + ieee80211_crypt_delayed_deinit(ieee, crypt); + } else + IEEE80211_DEBUG_WX("Disabling encryption.\n"); + + /* Check all the keys to see if any are still configured, + * and if no key index was provided, de-init them all */ + for (i = 0; i < WEP_KEYS; i++) { + if (ieee->crypt[i] != NULL) { + if (key_provided) + break; + ieee80211_crypt_delayed_deinit( + ieee, &ieee->crypt[i]); + } + } + + if (i == WEP_KEYS) { + sec.enabled = 0; + sec.level = SEC_LEVEL_0; + sec.flags |= SEC_ENABLED | SEC_LEVEL; + } + + goto done; + } + + + + sec.enabled = 1; + sec.flags |= SEC_ENABLED; + + if (*crypt != NULL && (*crypt)->ops != NULL && + strcmp((*crypt)->ops->name, "WEP") != 0) { + /* changing to use WEP; deinit previously used algorithm + * on this key */ + ieee80211_crypt_delayed_deinit(ieee, crypt); + } + + if (*crypt == NULL) { + struct ieee80211_crypt_data *new_crypt; + + /* take WEP into use */ + new_crypt = kmalloc(sizeof(struct ieee80211_crypt_data), + GFP_KERNEL); + if (new_crypt == NULL) + return -ENOMEM; + memset(new_crypt, 0, sizeof(struct ieee80211_crypt_data)); + new_crypt->ops = ieee80211_get_crypto_ops("WEP"); + if (!new_crypt->ops) { + request_module("ieee80211_crypt_wep"); + new_crypt->ops = ieee80211_get_crypto_ops("WEP"); + } + + if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + new_crypt->priv = new_crypt->ops->init(key); + + if (!new_crypt->ops || !new_crypt->priv) { + kfree(new_crypt); + new_crypt = NULL; + + printk(KERN_WARNING "%s: could not initialize WEP: " + "load module ieee80211_crypt_wep\n", + dev->name); + return -EOPNOTSUPP; + } + *crypt = new_crypt; + } + + /* If a new key was provided, set it up */ + if (erq->length > 0) { + len = erq->length <= 5 ? 5 : 13; + memcpy(sec.keys[key], keybuf, erq->length); + if (len > erq->length) + memset(sec.keys[key] + erq->length, 0, + len - erq->length); + IEEE80211_DEBUG_WX("Setting key %d to '%s' (%d:%d bytes)\n", + key, escape_essid(sec.keys[key], len), + erq->length, len); + sec.key_sizes[key] = len; + (*crypt)->ops->set_key(sec.keys[key], len, NULL, + (*crypt)->priv); + sec.flags |= (1 << key); + /* This ensures a key will be activated if no key is + * explicitely set */ + if (key == sec.active_key) + sec.flags |= SEC_ACTIVE_KEY; + ieee->tx_keyidx = key;//by wb 080312 + } else { + len = (*crypt)->ops->get_key(sec.keys[key], WEP_KEY_LEN, + NULL, (*crypt)->priv); + if (len == 0) { + /* Set a default key of all 0 */ + IEEE80211_DEBUG_WX("Setting key %d to all zero.\n", + key); + memset(sec.keys[key], 0, 13); + (*crypt)->ops->set_key(sec.keys[key], 13, NULL, + (*crypt)->priv); + sec.key_sizes[key] = 13; + sec.flags |= (1 << key); + } + + /* No key data - just set the default TX key index */ + if (key_provided) { + IEEE80211_DEBUG_WX( + "Setting key %d to default Tx key.\n", key); + ieee->tx_keyidx = key; + sec.active_key = key; + sec.flags |= SEC_ACTIVE_KEY; + } + } + + done: + ieee->open_wep = !(erq->flags & IW_ENCODE_RESTRICTED); + sec.auth_mode = ieee->open_wep ? WLAN_AUTH_OPEN : WLAN_AUTH_SHARED_KEY; + sec.flags |= SEC_AUTH_MODE; + IEEE80211_DEBUG_WX("Auth: %s\n", sec.auth_mode == WLAN_AUTH_OPEN ? + "OPEN" : "SHARED KEY"); + + /* For now we just support WEP, so only set that security level... + * TODO: When WPA is added this is one place that needs to change */ + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_1; /* 40 and 104 bit WEP */ + + if (ieee->set_security) + ieee->set_security(dev, &sec); + + /* Do not reset port if card is in Managed mode since resetting will + * generate new IEEE 802.11 authentication which may end up in looping + * with IEEE 802.1X. If your hardware requires a reset after WEP + * configuration (for example... Prism2), implement the reset_port in + * the callbacks structures used to initialize the 802.11 stack. */ + if (ieee->reset_on_keychange && + ieee->iw_mode != IW_MODE_INFRA && + ieee->reset_port && ieee->reset_port(dev)) { + printk(KERN_DEBUG "%s: reset_port failed\n", dev->name); + return -EINVAL; + } + return 0; +} + +int ieee80211_wx_get_encode(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *keybuf) +{ + struct iw_point *erq = &(wrqu->encoding); + int len, key; + struct ieee80211_crypt_data *crypt; + + IEEE80211_DEBUG_WX("GET_ENCODE\n"); + + if(ieee->iw_mode == IW_MODE_MONITOR) + return -1; + + key = erq->flags & IW_ENCODE_INDEX; + if (key) { + if (key > WEP_KEYS) + return -EINVAL; + key--; + } else + key = ieee->tx_keyidx; + + crypt = ieee->crypt[key]; + erq->flags = key + 1; + + if (crypt == NULL || crypt->ops == NULL) { + erq->length = 0; + erq->flags |= IW_ENCODE_DISABLED; + return 0; + } + + if (strcmp(crypt->ops->name, "WEP") != 0) { + /* only WEP is supported with wireless extensions, so just + * report that encryption is used */ + erq->length = 0; + erq->flags |= IW_ENCODE_ENABLED; + return 0; + } + + len = crypt->ops->get_key(keybuf, WEP_KEY_LEN, NULL, crypt->priv); + erq->length = (len >= 0 ? len : 0); + + erq->flags |= IW_ENCODE_ENABLED; + + if (ieee->open_wep) + erq->flags |= IW_ENCODE_OPEN; + else + erq->flags |= IW_ENCODE_RESTRICTED; + + return 0; +} + +int ieee80211_wx_set_encode_ext(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct net_device *dev = ieee->dev; + struct iw_point *encoding = &wrqu->encoding; + struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; + int i, idx, ret = 0; + int group_key = 0; + const char *alg, *module; + struct ieee80211_crypto_ops *ops; + struct ieee80211_crypt_data **crypt; + + struct ieee80211_security sec = { + .flags = 0, + }; + //printk("======>encoding flag:%x,ext flag:%x, ext alg:%d\n", encoding->flags,ext->ext_flags, ext->alg); + idx = encoding->flags & IW_ENCODE_INDEX; + if (idx) { + if (idx < 1 || idx > WEP_KEYS) + return -EINVAL; + idx--; + } else + idx = ieee->tx_keyidx; + + if (ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) { + crypt = &ieee->crypt[idx]; + group_key = 1; + } else { + /* some Cisco APs use idx>0 for unicast in dynamic WEP */ + //printk("not group key, flags:%x, ext->alg:%d\n", ext->ext_flags, ext->alg); + if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP) + return -EINVAL; + if (ieee->iw_mode == IW_MODE_INFRA) + crypt = &ieee->crypt[idx]; + else + return -EINVAL; + } + + sec.flags |= SEC_ENABLED;// | SEC_ENCRYPT; + if ((encoding->flags & IW_ENCODE_DISABLED) || + ext->alg == IW_ENCODE_ALG_NONE) { + if (*crypt) + ieee80211_crypt_delayed_deinit(ieee, crypt); + + for (i = 0; i < WEP_KEYS; i++) + if (ieee->crypt[i] != NULL) + break; + + if (i == WEP_KEYS) { + sec.enabled = 0; + // sec.encrypt = 0; + sec.level = SEC_LEVEL_0; + sec.flags |= SEC_LEVEL; + } + //printk("disabled: flag:%x\n", encoding->flags); + goto done; + } + + sec.enabled = 1; + // sec.encrypt = 1; +#if 0 + if (group_key ? !ieee->host_mc_decrypt : + !(ieee->host_encrypt || ieee->host_decrypt || + ieee->host_encrypt_msdu)) + goto skip_host_crypt; +#endif + switch (ext->alg) { + case IW_ENCODE_ALG_WEP: + alg = "WEP"; + module = "ieee80211_crypt_wep"; + break; + case IW_ENCODE_ALG_TKIP: + alg = "TKIP"; + module = "ieee80211_crypt_tkip"; + break; + case IW_ENCODE_ALG_CCMP: + alg = "CCMP"; + module = "ieee80211_crypt_ccmp"; + break; + default: + IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", + dev->name, ext->alg); + ret = -EINVAL; + goto done; + } +// printk("8-09-08-9=====>%s, alg name:%s\n",__func__, alg); + + ops = ieee80211_get_crypto_ops(alg); + if (ops == NULL) { + request_module(module); + ops = ieee80211_get_crypto_ops(alg); + } + if (ops == NULL) { + IEEE80211_DEBUG_WX("%s: unknown crypto alg %d\n", + dev->name, ext->alg); + printk("========>unknown crypto alg %d\n", ext->alg); + ret = -EINVAL; + goto done; + } + + if (*crypt == NULL || (*crypt)->ops != ops) { + struct ieee80211_crypt_data *new_crypt; + + ieee80211_crypt_delayed_deinit(ieee, crypt); + + new_crypt = kzalloc(sizeof(*new_crypt), GFP_KERNEL); + if (new_crypt == NULL) { + ret = -ENOMEM; + goto done; + } + new_crypt->ops = ops; + if (new_crypt->ops && try_module_get(new_crypt->ops->owner)) + new_crypt->priv = new_crypt->ops->init(idx); + if (new_crypt->priv == NULL) { + kfree(new_crypt); + ret = -EINVAL; + goto done; + } + *crypt = new_crypt; + + } + + if (ext->key_len > 0 && (*crypt)->ops->set_key && + (*crypt)->ops->set_key(ext->key, ext->key_len, ext->rx_seq, + (*crypt)->priv) < 0) { + IEEE80211_DEBUG_WX("%s: key setting failed\n", dev->name); + printk("key setting failed\n"); + ret = -EINVAL; + goto done; + } +#if 1 + //skip_host_crypt: + //printk("skip_host_crypt:ext_flags:%x\n", ext->ext_flags); + if (ext->ext_flags & IW_ENCODE_EXT_SET_TX_KEY) { + ieee->tx_keyidx = idx; + sec.active_key = idx; + sec.flags |= SEC_ACTIVE_KEY; + } + + if (ext->alg != IW_ENCODE_ALG_NONE) { + memcpy(sec.keys[idx], ext->key, ext->key_len); + sec.key_sizes[idx] = ext->key_len; + sec.flags |= (1 << idx); + if (ext->alg == IW_ENCODE_ALG_WEP) { + // sec.encode_alg[idx] = SEC_ALG_WEP; + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_1; + } else if (ext->alg == IW_ENCODE_ALG_TKIP) { + // sec.encode_alg[idx] = SEC_ALG_TKIP; + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_2; + } else if (ext->alg == IW_ENCODE_ALG_CCMP) { + // sec.encode_alg[idx] = SEC_ALG_CCMP; + sec.flags |= SEC_LEVEL; + sec.level = SEC_LEVEL_3; + } + /* Don't set sec level for group keys. */ + if (group_key) + sec.flags &= ~SEC_LEVEL; + } +#endif +done: + if (ieee->set_security) + ieee->set_security(ieee->dev, &sec); + + if (ieee->reset_on_keychange && + ieee->iw_mode != IW_MODE_INFRA && + ieee->reset_port && ieee->reset_port(dev)) { + IEEE80211_DEBUG_WX("%s: reset_port failed\n", dev->name); + return -EINVAL; + } + + return ret; +} +int ieee80211_wx_set_mlme(struct ieee80211_device *ieee, + struct iw_request_info *info, + union iwreq_data *wrqu, char *extra) +{ + struct iw_mlme *mlme = (struct iw_mlme *) extra; +// printk("\ndkgadfslkdjgalskdf===============>%s(), cmd:%x\n", __func__, mlme->cmd); +#if 1 + switch (mlme->cmd) { + case IW_MLME_DEAUTH: + case IW_MLME_DISASSOC: + // printk("disassoc now\n"); + ieee80211_disassociate(ieee); + break; + default: + return -EOPNOTSUPP; + } +#endif + return 0; +} + +int ieee80211_wx_set_auth(struct ieee80211_device *ieee, + struct iw_request_info *info, + struct iw_param *data, char *extra) +{ +/* + struct ieee80211_security sec = { + .flags = SEC_AUTH_MODE, + } +*/ + //printk("set auth:flag:%x, data value:%x\n", data->flags, data->value); + switch (data->flags & IW_AUTH_INDEX) { + case IW_AUTH_WPA_VERSION: + /*need to support wpa2 here*/ + //printk("wpa version:%x\n", data->value); + break; + case IW_AUTH_CIPHER_PAIRWISE: + case IW_AUTH_CIPHER_GROUP: + case IW_AUTH_KEY_MGMT: + /* + * * Host AP driver does not use these parameters and allows + * * wpa_supplicant to control them internally. + * */ + break; + case IW_AUTH_TKIP_COUNTERMEASURES: + ieee->tkip_countermeasures = data->value; + break; + case IW_AUTH_DROP_UNENCRYPTED: + ieee->drop_unencrypted = data->value; + break; + + case IW_AUTH_80211_AUTH_ALG: + ieee->open_wep = (data->value&IW_AUTH_ALG_OPEN_SYSTEM)?1:0; + //printk("open_wep:%d\n", ieee->open_wep); + break; + +#if 1 + case IW_AUTH_WPA_ENABLED: + ieee->wpa_enabled = (data->value)?1:0; + //printk("enalbe wpa:%d\n", ieee->wpa_enabled); + break; + +#endif + case IW_AUTH_RX_UNENCRYPTED_EAPOL: + ieee->ieee802_1x = data->value; + break; + case IW_AUTH_PRIVACY_INVOKED: + ieee->privacy_invoked = data->value; + break; + default: + return -EOPNOTSUPP; + } + return 0; +} + +#if 1 +int ieee80211_wx_set_gen_ie(struct ieee80211_device *ieee, u8 *ie, size_t len) +{ +#if 0 + printk("====>%s()\n", __func__); + { + int i; + for (i=0; i<len; i++) + printk("%2x ", ie[i]&0xff); + printk("\n"); + } +#endif + u8 *buf = NULL; + + if (len>MAX_WPA_IE_LEN || (len && ie == NULL)) + { + printk("return error out, len:%d\n", len); + return -EINVAL; + } + + if (len) + { + if (len != ie[1]+2){ + printk("len:%d, ie:%d\n", len, ie[1]); + return -EINVAL; + } + buf = kmalloc(len, GFP_KERNEL); + if (buf == NULL) + return -ENOMEM; + memcpy(buf, ie, len); + kfree(ieee->wpa_ie); + ieee->wpa_ie = buf; + ieee->wpa_ie_len = len; + } + else{ + if (ieee->wpa_ie) + kfree(ieee->wpa_ie); + ieee->wpa_ie = NULL; + ieee->wpa_ie_len = 0; + } +// printk("<=====out %s()\n", __func__); + + return 0; + +} +#endif + +#if 0 +EXPORT_SYMBOL(ieee80211_wx_set_gen_ie); +EXPORT_SYMBOL(ieee80211_wx_set_mlme); +EXPORT_SYMBOL(ieee80211_wx_set_auth); +EXPORT_SYMBOL(ieee80211_wx_set_encode_ext); +EXPORT_SYMBOL(ieee80211_wx_get_scan); +EXPORT_SYMBOL(ieee80211_wx_set_encode); +EXPORT_SYMBOL(ieee80211_wx_get_encode); +#endif diff --git a/drivers/staging/rtl8187se/ieee80211/internal.h b/drivers/staging/rtl8187se/ieee80211/internal.h new file mode 100644 index 00000000000..ddc22350d00 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/internal.h @@ -0,0 +1,115 @@ +/* + * Cryptographic API. + * + * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#ifndef _CRYPTO_INTERNAL_H +#define _CRYPTO_INTERNAL_H + + +//#include <linux/crypto.h> +#include "rtl_crypto.h" +#include <linux/mm.h> +#include <linux/highmem.h> +#include <linux/init.h> +#include <asm/hardirq.h> +#include <asm/softirq.h> +#include <asm/kmap_types.h> + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,4,20)) +#define list_for_each_entry(pos, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member), \ + prefetch(pos->member.next); \ + &pos->member != (head); \ + pos = list_entry(pos->member.next, typeof(*pos), member), \ + prefetch(pos->member.next)) + +static inline void cond_resched(void) +{ + if (need_resched()) { + set_current_state(TASK_RUNNING); + schedule(); + } +} +#endif + +extern enum km_type crypto_km_types[]; + +static inline enum km_type crypto_kmap_type(int out) +{ + return crypto_km_types[(in_softirq() ? 2 : 0) + out]; +} + +static inline void *crypto_kmap(struct page *page, int out) +{ + return kmap_atomic(page, crypto_kmap_type(out)); +} + +static inline void crypto_kunmap(void *vaddr, int out) +{ + kunmap_atomic(vaddr, crypto_kmap_type(out)); +} + +static inline void crypto_yield(struct crypto_tfm *tfm) +{ + if (!in_softirq()) + cond_resched(); +} + +static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) +{ + return (void *)&tfm[1]; +} + +struct crypto_alg *crypto_alg_lookup(const char *name); + +#ifdef CONFIG_KMOD +void crypto_alg_autoload(const char *name); +struct crypto_alg *crypto_alg_mod_lookup(const char *name); +#else +static inline struct crypto_alg *crypto_alg_mod_lookup(const char *name) +{ + return crypto_alg_lookup(name); +} +#endif + +#ifdef CONFIG_CRYPTO_HMAC +int crypto_alloc_hmac_block(struct crypto_tfm *tfm); +void crypto_free_hmac_block(struct crypto_tfm *tfm); +#else +static inline int crypto_alloc_hmac_block(struct crypto_tfm *tfm) +{ + return 0; +} + +static inline void crypto_free_hmac_block(struct crypto_tfm *tfm) +{ } +#endif + +#ifdef CONFIG_PROC_FS +void __init crypto_init_proc(void); +#else +static inline void crypto_init_proc(void) +{ } +#endif + +int crypto_init_digest_flags(struct crypto_tfm *tfm, u32 flags); +int crypto_init_cipher_flags(struct crypto_tfm *tfm, u32 flags); +int crypto_init_compress_flags(struct crypto_tfm *tfm, u32 flags); + +int crypto_init_digest_ops(struct crypto_tfm *tfm); +int crypto_init_cipher_ops(struct crypto_tfm *tfm); +int crypto_init_compress_ops(struct crypto_tfm *tfm); + +void crypto_exit_digest_ops(struct crypto_tfm *tfm); +void crypto_exit_cipher_ops(struct crypto_tfm *tfm); +void crypto_exit_compress_ops(struct crypto_tfm *tfm); + +#endif /* _CRYPTO_INTERNAL_H */ + diff --git a/drivers/staging/rtl8187se/ieee80211/rtl_crypto.h b/drivers/staging/rtl8187se/ieee80211/rtl_crypto.h new file mode 100644 index 00000000000..9ed0ca42085 --- /dev/null +++ b/drivers/staging/rtl8187se/ieee80211/rtl_crypto.h @@ -0,0 +1,399 @@ +/* + * Scatterlist Cryptographic API. + * + * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> + * Copyright (c) 2002 David S. Miller (davem@redhat.com) + * + * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> + * and Nettle, by Niels Mé°ˆler. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + * + */ +#ifndef _LINUX_CRYPTO_H +#define _LINUX_CRYPTO_H + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/list.h> +#include <linux/string.h> +#include <asm/page.h> +#include <asm/errno.h> + +#define crypto_register_alg crypto_register_alg_rtl +#define crypto_unregister_alg crypto_unregister_alg_rtl +#define crypto_alloc_tfm crypto_alloc_tfm_rtl +#define crypto_free_tfm crypto_free_tfm_rtl +#define crypto_alg_available crypto_alg_available_rtl + +/* + * Algorithm masks and types. + */ +#define CRYPTO_ALG_TYPE_MASK 0x000000ff +#define CRYPTO_ALG_TYPE_CIPHER 0x00000001 +#define CRYPTO_ALG_TYPE_DIGEST 0x00000002 +#define CRYPTO_ALG_TYPE_COMPRESS 0x00000004 + +/* + * Transform masks and values (for crt_flags). + */ +#define CRYPTO_TFM_MODE_MASK 0x000000ff +#define CRYPTO_TFM_REQ_MASK 0x000fff00 +#define CRYPTO_TFM_RES_MASK 0xfff00000 + +#define CRYPTO_TFM_MODE_ECB 0x00000001 +#define CRYPTO_TFM_MODE_CBC 0x00000002 +#define CRYPTO_TFM_MODE_CFB 0x00000004 +#define CRYPTO_TFM_MODE_CTR 0x00000008 + +#define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 +#define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 +#define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 +#define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 +#define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 +#define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 + +/* + * Miscellaneous stuff. + */ +#define CRYPTO_UNSPEC 0 +#define CRYPTO_MAX_ALG_NAME 64 + +struct scatterlist; + +/* + * Algorithms: modular crypto algorithm implementations, managed + * via crypto_register_alg() and crypto_unregister_alg(). + */ +struct cipher_alg { + unsigned int cia_min_keysize; + unsigned int cia_max_keysize; + int (*cia_setkey)(void *ctx, const u8 *key, + unsigned int keylen, u32 *flags); + void (*cia_encrypt)(void *ctx, u8 *dst, const u8 *src); + void (*cia_decrypt)(void *ctx, u8 *dst, const u8 *src); +}; + +struct digest_alg { + unsigned int dia_digestsize; + void (*dia_init)(void *ctx); + void (*dia_update)(void *ctx, const u8 *data, unsigned int len); + void (*dia_final)(void *ctx, u8 *out); + int (*dia_setkey)(void *ctx, const u8 *key, + unsigned int keylen, u32 *flags); +}; + +struct compress_alg { + int (*coa_init)(void *ctx); + void (*coa_exit)(void *ctx); + int (*coa_compress)(void *ctx, const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); + int (*coa_decompress)(void *ctx, const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); +}; + +#define cra_cipher cra_u.cipher +#define cra_digest cra_u.digest +#define cra_compress cra_u.compress + +struct crypto_alg { + struct list_head cra_list; + u32 cra_flags; + unsigned int cra_blocksize; + unsigned int cra_ctxsize; + const char cra_name[CRYPTO_MAX_ALG_NAME]; + + union { + struct cipher_alg cipher; + struct digest_alg digest; + struct compress_alg compress; + } cra_u; + + struct module *cra_module; +}; + +/* + * Algorithm registration interface. + */ +int crypto_register_alg(struct crypto_alg *alg); +int crypto_unregister_alg(struct crypto_alg *alg); + +/* + * Algorithm query interface. + */ +int crypto_alg_available(const char *name, u32 flags); + +/* + * Transforms: user-instantiated objects which encapsulate algorithms + * and core processing logic. Managed via crypto_alloc_tfm() and + * crypto_free_tfm(), as well as the various helpers below. + */ +struct crypto_tfm; + +struct cipher_tfm { + void *cit_iv; + unsigned int cit_ivsize; + u32 cit_mode; + int (*cit_setkey)(struct crypto_tfm *tfm, + const u8 *key, unsigned int keylen); + int (*cit_encrypt)(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes); + int (*cit_encrypt_iv)(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes, u8 *iv); + int (*cit_decrypt)(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes); + int (*cit_decrypt_iv)(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes, u8 *iv); + void (*cit_xor_block)(u8 *dst, const u8 *src); +}; + +struct digest_tfm { + void (*dit_init)(struct crypto_tfm *tfm); + void (*dit_update)(struct crypto_tfm *tfm, + struct scatterlist *sg, unsigned int nsg); + void (*dit_final)(struct crypto_tfm *tfm, u8 *out); + void (*dit_digest)(struct crypto_tfm *tfm, struct scatterlist *sg, + unsigned int nsg, u8 *out); + int (*dit_setkey)(struct crypto_tfm *tfm, + const u8 *key, unsigned int keylen); +#ifdef CONFIG_CRYPTO_HMAC + void *dit_hmac_block; +#endif +}; + +struct compress_tfm { + int (*cot_compress)(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); + int (*cot_decompress)(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen); +}; + +#define crt_cipher crt_u.cipher +#define crt_digest crt_u.digest +#define crt_compress crt_u.compress + +struct crypto_tfm { + + u32 crt_flags; + + union { + struct cipher_tfm cipher; + struct digest_tfm digest; + struct compress_tfm compress; + } crt_u; + + struct crypto_alg *__crt_alg; +}; + +/* + * Transform user interface. + */ + +/* + * crypto_alloc_tfm() will first attempt to locate an already loaded algorithm. + * If that fails and the kernel supports dynamically loadable modules, it + * will then attempt to load a module of the same name or alias. A refcount + * is grabbed on the algorithm which is then associated with the new transform. + * + * crypto_free_tfm() frees up the transform and any associated resources, + * then drops the refcount on the associated algorithm. + */ +struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); +void crypto_free_tfm(struct crypto_tfm *tfm); + +/* + * Transform helpers which query the underlying algorithm. + */ +static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) +{ + return tfm->__crt_alg->cra_name; +} + +static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) +{ + struct crypto_alg *alg = tfm->__crt_alg; + + if (alg->cra_module) + return alg->cra_module->name; + else + return NULL; +} + +static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) +{ + return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; +} + +static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->__crt_alg->cra_cipher.cia_min_keysize; +} + +static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->__crt_alg->cra_cipher.cia_max_keysize; +} + +static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->crt_cipher.cit_ivsize; +} + +static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) +{ + return tfm->__crt_alg->cra_blocksize; +} + +static inline unsigned int crypto_tfm_alg_digestsize(struct crypto_tfm *tfm) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); + return tfm->__crt_alg->cra_digest.dia_digestsize; +} + +/* + * API wrappers. + */ +static inline void crypto_digest_init(struct crypto_tfm *tfm) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); + tfm->crt_digest.dit_init(tfm); +} + +static inline void crypto_digest_update(struct crypto_tfm *tfm, + struct scatterlist *sg, + unsigned int nsg) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); + tfm->crt_digest.dit_update(tfm, sg, nsg); +} + +static inline void crypto_digest_final(struct crypto_tfm *tfm, u8 *out) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); + tfm->crt_digest.dit_final(tfm, out); +} + +static inline void crypto_digest_digest(struct crypto_tfm *tfm, + struct scatterlist *sg, + unsigned int nsg, u8 *out) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); + tfm->crt_digest.dit_digest(tfm, sg, nsg, out); +} + +static inline int crypto_digest_setkey(struct crypto_tfm *tfm, + const u8 *key, unsigned int keylen) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); + if (tfm->crt_digest.dit_setkey == NULL) + return -ENOSYS; + return tfm->crt_digest.dit_setkey(tfm, key, keylen); +} + +static inline int crypto_cipher_setkey(struct crypto_tfm *tfm, + const u8 *key, unsigned int keylen) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->crt_cipher.cit_setkey(tfm, key, keylen); +} + +static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes); +} + +static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes, u8 *iv) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB); + return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv); +} + +static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes); +} + +static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm, + struct scatterlist *dst, + struct scatterlist *src, + unsigned int nbytes, u8 *iv) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB); + return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv); +} + +static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm, + const u8 *src, unsigned int len) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + memcpy(tfm->crt_cipher.cit_iv, src, len); +} + +static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm, + u8 *dst, unsigned int len) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); + memcpy(dst, tfm->crt_cipher.cit_iv, len); +} + +static inline int crypto_comp_compress(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); + return tfm->crt_compress.cot_compress(tfm, src, slen, dst, dlen); +} + +static inline int crypto_comp_decompress(struct crypto_tfm *tfm, + const u8 *src, unsigned int slen, + u8 *dst, unsigned int *dlen) +{ + BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); + return tfm->crt_compress.cot_decompress(tfm, src, slen, dst, dlen); +} + +/* + * HMAC support. + */ +#ifdef CONFIG_CRYPTO_HMAC +void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen); +void crypto_hmac_update(struct crypto_tfm *tfm, + struct scatterlist *sg, unsigned int nsg); +void crypto_hmac_final(struct crypto_tfm *tfm, u8 *key, + unsigned int *keylen, u8 *out); +void crypto_hmac(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen, + struct scatterlist *sg, unsigned int nsg, u8 *out); +#endif /* CONFIG_CRYPTO_HMAC */ + +#endif /* _LINUX_CRYPTO_H */ + |