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authorDavid S. Miller <davem@davemloft.net>2009-07-30 19:26:55 -0700
committerDavid S. Miller <davem@davemloft.net>2009-07-30 19:26:55 -0700
commit2f6d7c1b34403b97fa57473edcb6749d1db5ace3 (patch)
tree97da33c077b08b72a361ff5a4542b86d190b0164 /net
parentdf597efb5737063497f1a4f7c996cc9aec294230 (diff)
parent1e4247d457c6a42e4a05cb7dfa4e6ea1fa65c112 (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Diffstat (limited to 'net')
-rw-r--r--net/core/dev.c1
-rw-r--r--net/mac80211/Kconfig1
-rw-r--r--net/mac80211/Makefile1
-rw-r--r--net/mac80211/cfg.c14
-rw-r--r--net/mac80211/ibss.c2
-rw-r--r--net/mac80211/ieee80211_i.h45
-rw-r--r--net/mac80211/iface.c22
-rw-r--r--net/mac80211/main.c3
-rw-r--r--net/mac80211/mesh.c2
-rw-r--r--net/mac80211/mlme.c35
-rw-r--r--net/mac80211/rx.c21
-rw-r--r--net/mac80211/scan.c304
-rw-r--r--net/mac80211/sta_info.h13
-rw-r--r--net/mac80211/tx.c109
-rw-r--r--net/mac80211/util.c13
-rw-r--r--net/mac80211/wext.c235
-rw-r--r--net/wireless/core.c78
-rw-r--r--net/wireless/core.h8
-rw-r--r--net/wireless/ibss.c13
-rw-r--r--net/wireless/mlme.c8
-rw-r--r--net/wireless/nl80211.c206
-rw-r--r--net/wireless/scan.c25
-rw-r--r--net/wireless/sme.c5
-rw-r--r--net/wireless/wext-compat.c180
-rw-r--r--net/wireless/wext-compat.h50
-rw-r--r--net/wireless/wext-sme.c13
26 files changed, 846 insertions, 561 deletions
diff --git a/net/core/dev.c b/net/core/dev.c
index d6c657ee413..71347668c50 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5344,6 +5344,7 @@ int dev_change_net_namespace(struct net_device *dev, struct net *net, const char
out:
return err;
}
+EXPORT_SYMBOL_GPL(dev_change_net_namespace);
static int dev_cpu_callback(struct notifier_block *nfb,
unsigned long action,
diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig
index 19a4c66e143..7dd77b6d4c9 100644
--- a/net/mac80211/Kconfig
+++ b/net/mac80211/Kconfig
@@ -6,7 +6,6 @@ config MAC80211
select CRYPTO_ARC4
select CRYPTO_AES
select CRC32
- select WIRELESS_EXT
---help---
This option enables the hardware independent IEEE 802.11
networking stack.
diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile
index 91284a74ff9..9f3cf712932 100644
--- a/net/mac80211/Makefile
+++ b/net/mac80211/Makefile
@@ -3,7 +3,6 @@ obj-$(CONFIG_MAC80211) += mac80211.o
# mac80211 objects
mac80211-y := \
main.o \
- wext.o \
sta_info.o \
wep.o \
wpa.o \
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 52928ad9057..4bbf5007799 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -57,19 +57,9 @@ static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
return 0;
}
-static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
+static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
{
- struct net_device *dev;
- struct ieee80211_sub_if_data *sdata;
-
- /* we're under RTNL */
- dev = __dev_get_by_index(&init_net, ifindex);
- if (!dev)
- return -ENODEV;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- ieee80211_if_remove(sdata);
+ ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
return 0;
}
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 8e2220000e5..6e3cca65c46 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -742,7 +742,7 @@ static void ieee80211_ibss_work(struct work_struct *work)
if (!netif_running(sdata->dev))
return;
- if (local->sw_scanning || local->hw_scanning)
+ if (local->scanning)
return;
if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_ADHOC))
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 6a0177137dd..aec6853cb43 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -24,7 +24,6 @@
#include <linux/spinlock.h>
#include <linux/etherdevice.h>
#include <net/cfg80211.h>
-#include <net/iw_handler.h>
#include <net/mac80211.h>
#include "key.h"
#include "sta_info.h"
@@ -570,6 +569,43 @@ enum queue_stop_reason {
IEEE80211_QUEUE_STOP_REASON_SKB_ADD,
};
+/**
+ * mac80211 scan flags - currently active scan mode
+ *
+ * @SCAN_SW_SCANNING: We're currently in the process of scanning but may as
+ * well be on the operating channel
+ * @SCAN_HW_SCANNING: The hardware is scanning for us, we have no way to
+ * determine if we are on the operating channel or not
+ * @SCAN_OFF_CHANNEL: We're off our operating channel for scanning,
+ * gets only set in conjunction with SCAN_SW_SCANNING
+ */
+enum {
+ SCAN_SW_SCANNING,
+ SCAN_HW_SCANNING,
+ SCAN_OFF_CHANNEL,
+};
+
+/**
+ * enum mac80211_scan_state - scan state machine states
+ *
+ * @SCAN_DECISION: Main entry point to the scan state machine, this state
+ * determines if we should keep on scanning or switch back to the
+ * operating channel
+ * @SCAN_SET_CHANNEL: Set the next channel to be scanned
+ * @SCAN_SEND_PROBE: Send probe requests and wait for probe responses
+ * @SCAN_LEAVE_OPER_CHANNEL: Leave the operating channel, notify the AP
+ * about us leaving the channel and stop all associated STA interfaces
+ * @SCAN_ENTER_OPER_CHANNEL: Enter the operating channel again, notify the
+ * AP about us being back and restart all associated STA interfaces
+ */
+enum mac80211_scan_state {
+ SCAN_DECISION,
+ SCAN_SET_CHANNEL,
+ SCAN_SEND_PROBE,
+ SCAN_LEAVE_OPER_CHANNEL,
+ SCAN_ENTER_OPER_CHANNEL,
+};
+
struct ieee80211_local {
/* embed the driver visible part.
* don't cast (use the static inlines below), but we keep
@@ -668,7 +704,7 @@ struct ieee80211_local {
/* Scanning and BSS list */
struct mutex scan_mtx;
- bool sw_scanning, hw_scanning;
+ unsigned long scanning;
struct cfg80211_ssid scan_ssid;
struct cfg80211_scan_request int_scan_req;
struct cfg80211_scan_request *scan_req;
@@ -678,7 +714,7 @@ struct ieee80211_local {
int scan_channel_idx;
int scan_ies_len;
- enum { SCAN_SET_CHANNEL, SCAN_SEND_PROBE } scan_state;
+ enum mac80211_scan_state next_scan_state;
struct delayed_work scan_work;
struct ieee80211_sub_if_data *scan_sdata;
enum nl80211_channel_type oper_channel_type;
@@ -914,9 +950,6 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
void ieee80211_configure_filter(struct ieee80211_local *local);
u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata);
-/* wireless extensions */
-extern const struct iw_handler_def ieee80211_iw_handler_def;
-
/* STA code */
void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata);
int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 2f797a86ced..6c655b6547f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -335,7 +335,10 @@ static int ieee80211_stop(struct net_device *dev)
struct ieee80211_local *local = sdata->local;
struct ieee80211_if_init_conf conf;
struct sta_info *sta;
+ unsigned long flags;
+ struct sk_buff *skb, *tmp;
u32 hw_reconf_flags = 0;
+ int i;
/*
* Stop TX on this interface first.
@@ -515,7 +518,7 @@ static int ieee80211_stop(struct net_device *dev)
* the scan_sdata is NULL already don't send out a
* scan event to userspace -- the scan is incomplete.
*/
- if (local->sw_scanning)
+ if (test_bit(SCAN_SW_SCANNING, &local->scanning))
ieee80211_scan_completed(&local->hw, true);
}
@@ -551,6 +554,18 @@ static int ieee80211_stop(struct net_device *dev)
if (hw_reconf_flags)
ieee80211_hw_config(local, hw_reconf_flags);
+ spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
+ for (i = 0; i < IEEE80211_MAX_QUEUES; i++) {
+ skb_queue_walk_safe(&local->pending[i], skb, tmp) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ if (info->control.vif == &sdata->vif) {
+ __skb_unlink(skb, &local->pending[i]);
+ dev_kfree_skb_irq(skb);
+ }
+ }
+ }
+ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+
return 0;
}
@@ -669,7 +684,6 @@ static void ieee80211_if_setup(struct net_device *dev)
{
ether_setup(dev);
dev->netdev_ops = &ieee80211_dataif_ops;
- dev->wireless_handlers = &ieee80211_iw_handler_def;
dev->destructor = free_netdev;
}
@@ -772,6 +786,7 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
name, ieee80211_if_setup);
if (!ndev)
return -ENOMEM;
+ dev_net_set(ndev, wiphy_net(local->hw.wiphy));
ndev->needed_headroom = local->tx_headroom +
4*6 /* four MAC addresses */
@@ -788,7 +803,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name,
memcpy(ndev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN);
SET_NETDEV_DEV(ndev, wiphy_dev(local->hw.wiphy));
- ndev->features |= NETIF_F_NETNS_LOCAL;
/* don't use IEEE80211_DEV_TO_SUB_IF because it checks too much */
sdata = netdev_priv(ndev);
@@ -905,7 +919,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local)
struct ieee80211_sub_if_data *sdata;
int count = 0;
- if (local->hw_scanning || local->sw_scanning)
+ if (local->scanning)
return ieee80211_idle_off(local, "scanning");
list_for_each_entry(sdata, &local->interfaces, list) {
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 3234f3751d2..c1a799194ff 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -198,7 +198,7 @@ void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
}
if (changed & BSS_CHANGED_BEACON_ENABLED) {
- if (local->sw_scanning) {
+ if (test_bit(SCAN_SW_SCANNING, &local->scanning)) {
sdata->vif.bss_conf.enable_beacon = false;
} else {
/*
@@ -620,6 +620,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
if (!wiphy)
return NULL;
+ wiphy->netnsok = true;
wiphy->privid = mac80211_wiphy_privid;
/* Yes, putting cfg80211_bss into ieee80211_bss is a hack */
diff --git a/net/mac80211/mesh.c b/net/mac80211/mesh.c
index 8a97b142308..9a3826978b1 100644
--- a/net/mac80211/mesh.c
+++ b/net/mac80211/mesh.c
@@ -597,7 +597,7 @@ static void ieee80211_mesh_work(struct work_struct *work)
if (!netif_running(sdata->dev))
return;
- if (local->sw_scanning || local->hw_scanning)
+ if (local->scanning)
return;
while ((skb = skb_dequeue(&ifmsh->skb_queue)))
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 0b3551da8f4..ee83125ed17 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -581,7 +581,7 @@ void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata,
if (!ifmgd->associated)
return;
- if (sdata->local->sw_scanning || sdata->local->hw_scanning)
+ if (sdata->local->scanning)
return;
/* Disregard subsequent beacons if we are already running a timer
@@ -639,7 +639,7 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
* If we are scanning right now then the parameters will
* take effect when scan finishes.
*/
- if (local->hw_scanning || local->sw_scanning)
+ if (local->scanning)
return;
if (conf->dynamic_ps_timeout > 0 &&
@@ -1166,6 +1166,9 @@ static void ieee80211_mgd_probe_ap(struct ieee80211_sub_if_data *sdata,
if (!netif_running(sdata->dev))
return;
+ if (sdata->local->scanning)
+ return;
+
mutex_lock(&ifmgd->mtx);
if (!ifmgd->associated)
@@ -2000,6 +2003,9 @@ static void ieee80211_sta_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
case RX_MGMT_CFG80211_ASSOC:
cfg80211_send_rx_assoc(sdata->dev, (u8 *) mgmt, skb->len);
break;
+ case RX_MGMT_CFG80211_DEAUTH:
+ cfg80211_send_deauth(sdata->dev, (u8 *)mgmt, skb->len, NULL);
+ break;
default:
WARN(1, "unexpected: %d", rma);
}
@@ -2038,7 +2044,7 @@ static void ieee80211_sta_work(struct work_struct *work)
if (!netif_running(sdata->dev))
return;
- if (local->sw_scanning || local->hw_scanning)
+ if (local->scanning)
return;
if (WARN_ON(sdata->vif.type != NL80211_IFTYPE_STATION))
@@ -2213,9 +2219,6 @@ static void ieee80211_sta_monitor_work(struct work_struct *work)
container_of(work, struct ieee80211_sub_if_data,
u.mgd.monitor_work);
- if (sdata->local->sw_scanning || sdata->local->hw_scanning)
- return;
-
ieee80211_mgd_probe_ap(sdata, false);
}
@@ -2377,6 +2380,7 @@ int ieee80211_mgd_auth(struct ieee80211_sub_if_data *sdata,
wk->state = IEEE80211_MGD_STATE_PROBE;
wk->auth_alg = auth_alg;
+ wk->timeout = jiffies; /* run right away */
/*
* XXX: if still associated need to tell AP that we're going
@@ -2448,6 +2452,7 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
wk->state = IEEE80211_MGD_STATE_ASSOC;
wk->tries = 0;
+ wk->timeout = jiffies; /* run right away */
if (req->use_mfp) {
ifmgd->mfp = IEEE80211_MFP_REQUIRED;
@@ -2496,8 +2501,13 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
}
}
- /* cfg80211 should catch this... */
- if (WARN_ON(!bssid)) {
+ /*
+ * cfg80211 should catch this ... but it's racy since
+ * we can receive a deauth frame, process it, hand it
+ * to cfg80211 while that's in a locked section already
+ * trying to tell us that the user wants to disconnect.
+ */
+ if (!bssid) {
mutex_unlock(&ifmgd->mtx);
return -ENOLINK;
}
@@ -2522,8 +2532,13 @@ int ieee80211_mgd_disassoc(struct ieee80211_sub_if_data *sdata,
mutex_lock(&ifmgd->mtx);
- /* cfg80211 should catch that */
- if (WARN_ON(&ifmgd->associated->cbss != req->bss)) {
+ /*
+ * cfg80211 should catch this ... but it's racy since
+ * we can receive a disassoc frame, process it, hand it
+ * to cfg80211 while that's in a locked section already
+ * trying to tell us that the user wants to disconnect.
+ */
+ if (&ifmgd->associated->cbss != req->bss) {
mutex_unlock(&ifmgd->mtx);
return -ENOLINK;
}
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index b6ddde3848f..25a669c86e1 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -418,10 +418,11 @@ ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx)
struct ieee80211_local *local = rx->local;
struct sk_buff *skb = rx->skb;
- if (unlikely(local->hw_scanning))
+ if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning)))
return ieee80211_scan_rx(rx->sdata, skb);
- if (unlikely(local->sw_scanning)) {
+ if (unlikely(test_bit(SCAN_SW_SCANNING, &local->scanning) &&
+ (rx->flags & IEEE80211_RX_IN_SCAN))) {
/* drop all the other packets during a software scan anyway */
if (ieee80211_scan_rx(rx->sdata, skb) != RX_QUEUED)
dev_kfree_skb(skb);
@@ -782,7 +783,7 @@ static void ap_sta_ps_start(struct sta_info *sta)
struct ieee80211_local *local = sdata->local;
atomic_inc(&sdata->bss->num_sta_ps);
- set_and_clear_sta_flags(sta, WLAN_STA_PS, WLAN_STA_PSPOLL);
+ set_sta_flags(sta, WLAN_STA_PS);
drv_sta_notify(local, &sdata->vif, STA_NOTIFY_SLEEP, &sta->sta);
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "%s: STA %pM aid %d enters power save mode\n",
@@ -798,7 +799,7 @@ static int ap_sta_ps_end(struct sta_info *sta)
atomic_dec(&sdata->bss->num_sta_ps);
- clear_sta_flags(sta, WLAN_STA_PS | WLAN_STA_PSPOLL);
+ clear_sta_flags(sta, WLAN_STA_PS);
drv_sta_notify(local, &sdata->vif, STA_NOTIFY_AWAKE, &sta->sta);
if (!skb_queue_empty(&sta->ps_tx_buf))
@@ -1116,14 +1117,15 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
skb_queue_empty(&rx->sta->ps_tx_buf);
if (skb) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr =
(struct ieee80211_hdr *) skb->data;
/*
- * Tell TX path to send one frame even though the STA may
+ * Tell TX path to send this frame even though the STA may
* still remain is PS mode after this frame exchange.
*/
- set_sta_flags(rx->sta, WLAN_STA_PSPOLL);
+ info->flags |= IEEE80211_TX_CTL_PSPOLL_RESPONSE;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "STA %pM aid %d: PS Poll (entries after %d)\n",
@@ -1138,7 +1140,7 @@ ieee80211_rx_h_ps_poll(struct ieee80211_rx_data *rx)
else
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
- dev_queue_xmit(skb);
+ ieee80211_add_pending_skb(rx->local, skb);
if (no_pending_pkts)
sta_info_clear_tim_bit(rx->sta);
@@ -1539,7 +1541,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
info = IEEE80211_SKB_CB(fwd_skb);
memset(info, 0, sizeof(*info));
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
- fwd_skb->iif = rx->dev->ifindex;
+ info->control.vif = &rx->sdata->vif;
ieee80211_select_queue(local, fwd_skb);
if (is_multicast_ether_addr(fwd_hdr->addr3))
memcpy(fwd_hdr->addr1, fwd_hdr->addr3,
@@ -2136,7 +2138,8 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw,
return;
}
- if (unlikely(local->sw_scanning || local->hw_scanning))
+ if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) ||
+ test_bit(SCAN_OFF_CHANNEL, &local->scanning)))
rx.flags |= IEEE80211_RX_IN_SCAN;
ieee80211_parse_qos(&rx);
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index 74820656dc8..45731000eb8 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -18,7 +18,6 @@
#include <linux/if_arp.h>
#include <linux/rtnetlink.h>
#include <net/mac80211.h>
-#include <net/iw_handler.h>
#include "ieee80211_i.h"
#include "driver-ops.h"
@@ -265,7 +264,7 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
mutex_lock(&local->scan_mtx);
- if (WARN_ON(!local->hw_scanning && !local->sw_scanning)) {
+ if (WARN_ON(!local->scanning)) {
mutex_unlock(&local->scan_mtx);
return;
}
@@ -275,16 +274,15 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
return;
}
- if (local->hw_scanning)
+ if (test_bit(SCAN_HW_SCANNING, &local->scanning))
ieee80211_restore_scan_ies(local);
if (local->scan_req != &local->int_scan_req)
cfg80211_scan_done(local->scan_req, aborted);
local->scan_req = NULL;
- was_hw_scan = local->hw_scanning;
- local->hw_scanning = false;
- local->sw_scanning = false;
+ was_hw_scan = test_bit(SCAN_HW_SCANNING, &local->scanning);
+ local->scanning = 0;
local->scan_channel = NULL;
/* we only have to protect scan_req and hw/sw scan */
@@ -366,17 +364,16 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local)
ieee80211_bss_info_change_notify(
sdata, BSS_CHANGED_BEACON_ENABLED);
- if (sdata->vif.type == NL80211_IFTYPE_STATION) {
- if (sdata->u.mgd.associated) {
- netif_tx_stop_all_queues(sdata->dev);
- ieee80211_scan_ps_enable(sdata);
- }
- } else
+ /*
+ * only handle non-STA interfaces here, STA interfaces
+ * are handled in the scan state machine
+ */
+ if (sdata->vif.type != NL80211_IFTYPE_STATION)
netif_tx_stop_all_queues(sdata->dev);
}
mutex_unlock(&local->iflist_mtx);
- local->scan_state = SCAN_SET_CHANNEL;
+ local->next_scan_state = SCAN_DECISION;
local->scan_channel_idx = 0;
spin_lock_bh(&local->filter_lock);
@@ -434,9 +431,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
}
if (local->ops->hw_scan)
- local->hw_scanning = true;
+ __set_bit(SCAN_HW_SCANNING, &local->scanning);
else
- local->sw_scanning = true;
+ __set_bit(SCAN_SW_SCANNING, &local->scanning);
/*
* Kicking off the scan need not be protected,
* only the scan variable stuff, since now
@@ -459,11 +456,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
mutex_lock(&local->scan_mtx);
if (rc) {
- if (local->ops->hw_scan) {
- local->hw_scanning = false;
+ if (local->ops->hw_scan)
ieee80211_restore_scan_ies(local);
- } else
- local->sw_scanning = false;
+ local->scanning = 0;
ieee80211_recalc_idle(local);
@@ -474,13 +469,195 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
return rc;
}
+static int ieee80211_scan_state_decision(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ bool associated = false;
+ struct ieee80211_sub_if_data *sdata;
+
+ /* if no more bands/channels left, complete scan and advance to the idle state */
+ if (local->scan_channel_idx >= local->scan_req->n_channels) {
+ ieee80211_scan_completed(&local->hw, false);
+ return 1;
+ }
+
+ /* check if at least one STA interface is associated */
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ if (sdata->u.mgd.associated) {
+ associated = true;
+ break;
+ }
+ }
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ if (local->scan_channel) {
+ /*
+ * we're currently scanning a different channel, let's
+ * switch back to the operating channel now if at least
+ * one interface is associated. Otherwise just scan the
+ * next channel
+ */
+ if (associated)
+ local->next_scan_state = SCAN_ENTER_OPER_CHANNEL;
+ else
+ local->next_scan_state = SCAN_SET_CHANNEL;
+ } else {
+ /*
+ * we're on the operating channel currently, let's
+ * leave that channel now to scan another one
+ */
+ local->next_scan_state = SCAN_LEAVE_OPER_CHANNEL;
+ }
+
+ *next_delay = 0;
+ return 0;
+}
+
+static void ieee80211_scan_state_leave_oper_channel(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ struct ieee80211_sub_if_data *sdata;
+
+ /*
+ * notify the AP about us leaving the channel and stop all STA interfaces
+ */
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
+
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ netif_tx_stop_all_queues(sdata->dev);
+ if (sdata->u.mgd.associated)
+ ieee80211_scan_ps_enable(sdata);
+ }
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ __set_bit(SCAN_OFF_CHANNEL, &local->scanning);
+
+ /* advance to the next channel to be scanned */
+ *next_delay = HZ / 10;
+ local->next_scan_state = SCAN_SET_CHANNEL;
+}
+
+static void ieee80211_scan_state_enter_oper_channel(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+ /* switch back to the operating channel */
+ local->scan_channel = NULL;
+ ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
+
+ /*
+ * notify the AP about us being back and restart all STA interfaces
+ */
+ mutex_lock(&local->iflist_mtx);
+ list_for_each_entry(sdata, &local->interfaces, list) {
+ if (!netif_running(sdata->dev))
+ continue;
+
+ /* Tell AP we're back */
+ if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+ if (sdata->u.mgd.associated)
+ ieee80211_scan_ps_disable(sdata);
+ netif_tx_wake_all_queues(sdata->dev);
+ }
+ }
+ mutex_unlock(&local->iflist_mtx);
+
+ __clear_bit(SCAN_OFF_CHANNEL, &local->scanning);
+
+ *next_delay = HZ / 5;
+ local->next_scan_state = SCAN_DECISION;
+}
+
+static void ieee80211_scan_state_set_channel(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ int skip;
+ struct ieee80211_channel *chan;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+ skip = 0;
+ chan = local->scan_req->channels[local->scan_channel_idx];
+
+ if (chan->flags & IEEE80211_CHAN_DISABLED ||
+ (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
+ chan->flags & IEEE80211_CHAN_NO_IBSS))
+ skip = 1;
+
+ if (!skip) {
+ local->scan_channel = chan;
+ if (ieee80211_hw_config(local,
+ IEEE80211_CONF_CHANGE_CHANNEL))
+ skip = 1;
+ }
+
+ /* advance state machine to next channel/band */
+ local->scan_channel_idx++;
+
+ if (skip) {
+ /* if we skip this channel return to the decision state */
+ local->next_scan_state = SCAN_DECISION;
+ return;
+ }
+
+ /*
+ * Probe delay is used to update the NAV, cf. 11.1.3.2.2
+ * (which unfortunately doesn't say _why_ step a) is done,
+ * but it waits for the probe delay or until a frame is
+ * received - and the received frame would update the NAV).
+ * For now, we do not support waiting until a frame is
+ * received.
+ *
+ * In any case, it is not necessary for a passive scan.
+ */
+ if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
+ !local->scan_req->n_ssids) {
+ *next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+ local->next_scan_state = SCAN_DECISION;
+ return;
+ }
+
+ /* active scan, send probes */
+ *next_delay = IEEE80211_PROBE_DELAY;
+ local->next_scan_state = SCAN_SEND_PROBE;
+}
+
+static void ieee80211_scan_state_send_probe(struct ieee80211_local *local,
+ unsigned long *next_delay)
+{
+ int i;
+ struct ieee80211_sub_if_data *sdata = local->scan_sdata;
+
+ for (i = 0; i < local->scan_req->n_ssids; i++)
+ ieee80211_send_probe_req(
+ sdata, NULL,
+ local->scan_req->ssids[i].ssid,
+ local->scan_req->ssids[i].ssid_len,
+ local->scan_req->ie, local->scan_req->ie_len);
+
+ /*
+ * After sending probe requests, wait for probe responses
+ * on the channel.
+ */
+ *next_delay = IEEE80211_CHANNEL_TIME;
+ local->next_scan_state = SCAN_DECISION;
+}
+
void ieee80211_scan_work(struct work_struct *work)
{
struct ieee80211_local *local =
container_of(work, struct ieee80211_local, scan_work.work);
struct ieee80211_sub_if_data *sdata = local->scan_sdata;
- struct ieee80211_channel *chan;
- int skip, i;
unsigned long next_delay = 0;
mutex_lock(&local->scan_mtx);
@@ -489,7 +666,7 @@ void ieee80211_scan_work(struct work_struct *work)
return;
}
- if (local->scan_req && !(local->sw_scanning || local->hw_scanning)) {
+ if (local->scan_req && !local->scanning) {
struct cfg80211_scan_request *req = local->scan_req;
int rc;
@@ -513,69 +690,30 @@ void ieee80211_scan_work(struct work_struct *work)
return;
}
- switch (local->scan_state) {
- case SCAN_SET_CHANNEL:
- /* if no more bands/channels left, complete scan */
- if (local->scan_channel_idx >= local->scan_req->n_channels) {
- ieee80211_scan_completed(&local->hw, false);
- return;
- }
- skip = 0;
- chan = local->scan_req->channels[local->scan_channel_idx];
-
- if (chan->flags & IEEE80211_CHAN_DISABLED ||
- (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
- chan->flags & IEEE80211_CHAN_NO_IBSS))
- skip = 1;
-
- if (!skip) {
- local->scan_channel = chan;
- if (ieee80211_hw_config(local,
- IEEE80211_CONF_CHANGE_CHANNEL))
- skip = 1;
- }
-
- /* advance state machine to next channel/band */
- local->scan_channel_idx++;
-
- if (skip)
+ /*
+ * as long as no delay is required advance immediately
+ * without scheduling a new work
+ */
+ do {
+ switch (local->next_scan_state) {
+ case SCAN_DECISION:
+ if (ieee80211_scan_state_decision(local, &next_delay))
+ return;
break;
-
- /*
- * Probe delay is used to update the NAV, cf. 11.1.3.2.2
- * (which unfortunately doesn't say _why_ step a) is done,
- * but it waits for the probe delay or until a frame is
- * received - and the received frame would update the NAV).
- * For now, we do not support waiting until a frame is
- * received.
- *
- * In any case, it is not necessary for a passive scan.
- */
- if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN ||
- !local->scan_req->n_ssids) {
- next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
+ case SCAN_SET_CHANNEL:
+ ieee80211_scan_state_set_channel(local, &next_delay);
+ break;
+ case SCAN_SEND_PROBE:
+ ieee80211_scan_state_send_probe(local, &next_delay);
+ break;
+ case SCAN_LEAVE_OPER_CHANNEL:
+ ieee80211_scan_state_leave_oper_channel(local, &next_delay);
+ break;
+ case SCAN_ENTER_OPER_CHANNEL:
+ ieee80211_scan_state_enter_oper_channel(local, &next_delay);
break;
}
-
- next_delay = IEEE80211_PROBE_DELAY;
- local->scan_state = SCAN_SEND_PROBE;
- break;
- case SCAN_SEND_PROBE:
- for (i = 0; i < local->scan_req->n_ssids; i++)
- ieee80211_send_probe_req(
- sdata, NULL,
- local->scan_req->ssids[i].ssid,
- local->scan_req->ssids[i].ssid_len,
- local->scan_req->ie, local->scan_req->ie_len);
-
- /*
- * After sending probe requests, wait for probe responses
- * on the channel.
- */
- next_delay = IEEE80211_CHANNEL_TIME;
- local->scan_state = SCAN_SET_CHANNEL;
- break;
- }
+ } while (next_delay == 0);
queue_delayed_work(local->hw.workqueue, &local->scan_work,
next_delay);
@@ -625,7 +763,7 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
* queued -- mostly at suspend under RTNL.
*/
mutex_lock(&local->scan_mtx);
- swscan = local->sw_scanning;
+ swscan = test_bit(SCAN_SW_SCANNING, &local->scanning);
mutex_unlock(&local->scan_mtx);
if (swscan)
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index 4ecf10a9bd0..ccc3adf962c 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -30,7 +30,6 @@
* @WLAN_STA_ASSOC_AP: We're associated to that station, it is an AP.
* @WLAN_STA_WME: Station is a QoS-STA.
* @WLAN_STA_WDS: Station is one of our WDS peers.
- * @WLAN_STA_PSPOLL: Station has just PS-polled us.
* @WLAN_STA_CLEAR_PS_FILT: Clear PS filter in hardware (using the
* IEEE80211_TX_CTL_CLEAR_PS_FILT control flag) when the next
* frame to this station is transmitted.
@@ -47,7 +46,6 @@ enum ieee80211_sta_info_flags {
WLAN_STA_ASSOC_AP = 1<<5,
WLAN_STA_WME = 1<<6,
WLAN_STA_WDS = 1<<7,
- WLAN_STA_PSPOLL = 1<<8,
WLAN_STA_CLEAR_PS_FILT = 1<<9,
WLAN_STA_MFP = 1<<10,
WLAN_STA_SUSPEND = 1<<11
@@ -359,17 +357,6 @@ static inline void clear_sta_flags(struct sta_info *sta, const u32 flags)
spin_unlock_irqrestore(&sta->flaglock, irqfl);
}
-static inline void set_and_clear_sta_flags(struct sta_info *sta,
- const u32 set, const u32 clear)
-{
- unsigned long irqfl;
-
- spin_lock_irqsave(&sta->flaglock, irqfl);
- sta->flags |= set;
- sta->flags &= ~clear;
- spin_unlock_irqrestore(&sta->flaglock, irqfl);
-}
-
static inline u32 test_sta_flags(struct sta_info *sta, const u32 flags)
{
u32 ret;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 2572509d556..4e1b2ba122c 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -192,7 +192,7 @@ ieee80211_tx_h_check_assoc(struct ieee80211_tx_data *tx)
if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED))
return TX_CONTINUE;
- if (unlikely(tx->local->sw_scanning) &&
+ if (unlikely(test_bit(SCAN_OFF_CHANNEL, &tx->local->scanning)) &&
!ieee80211_is_probe_req(hdr->frame_control) &&
!ieee80211_is_nullfunc(hdr->frame_control))
/*
@@ -373,7 +373,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
staflags = get_sta_flags(sta);
if (unlikely((staflags & WLAN_STA_PS) &&
- !(staflags & WLAN_STA_PSPOLL))) {
+ !(info->flags & IEEE80211_TX_CTL_PSPOLL_RESPONSE))) {
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "STA %pM aid %d: PS buffer (entries "
"before %d)\n",
@@ -400,6 +400,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
sta_info_set_tim_bit(sta);
info->control.jiffies = jiffies;
+ info->control.vif = &tx->sdata->vif;
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
skb_queue_tail(&sta->ps_tx_buf, tx->skb);
return TX_QUEUED;
@@ -411,24 +412,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx)
sta->sta.addr);
}
#endif /* CONFIG_MAC80211_VERBOSE_PS_DEBUG */
- if (test_and_clear_sta_flags(sta, WLAN_STA_PSPOLL)) {
- /*
- * The sleeping station with pending data is now snoozing.
- * It queried us for its buffered frames and will go back
- * to deep sleep once it got everything.
- *
- * inform the driver, in case the hardware does powersave
- * frame filtering and keeps a station blacklist on its own
- * (e.g: p54), so that frames can be delivered unimpeded.
- *
- * Note: It should be safe to disable the filter now.
- * As, it is really unlikely that we still have any pending
- * frame for this station in the hw's buffers/fifos left,
- * that is not rejected with a unsuccessful tx_status yet.
- */
- info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
- }
return TX_CONTINUE;
}
@@ -551,7 +535,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
* Lets not bother rate control if we're associated and cannot
* talk to the sta. This should not happen.
*/
- if (WARN((tx->local->sw_scanning) &&
+ if (WARN(test_bit(SCAN_SW_SCANNING, &tx->local->scanning) &&
(sta_flags & WLAN_STA_ASSOC) &&
!rate_usable_index_exists(sband, &tx->sta->sta),
"%s: Dropped data frame as no usable bitrate found while "
@@ -696,7 +680,7 @@ ieee80211_tx_h_sequence(struct ieee80211_tx_data *tx)
* number, if we have no matching interface then we
* neither assign one ourselves nor ask the driver to.
*/
- if (unlikely(!info->control.vif))
+ if (unlikely(info->control.vif->type == NL80211_IFTYPE_MONITOR))
return TX_CONTINUE;
if (unlikely(ieee80211_is_ctl(hdr->frame_control)))
@@ -1092,6 +1076,7 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata,
} else if (*state != HT_AGG_STATE_IDLE) {
/* in progress */
queued = true;
+ info->control.vif = &sdata->vif;
info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING;
__skb_queue_tail(&tid_tx->pending, skb);
}
@@ -1143,6 +1128,7 @@ static int __ieee80211_tx(struct ieee80211_local *local,
{
struct sk_buff *skb = *skbp, *next;
struct ieee80211_tx_info *info;
+ struct ieee80211_sub_if_data *sdata;
unsigned long flags;
int ret, len;
bool fragm = false;
@@ -1167,13 +1153,32 @@ static int __ieee80211_tx(struct ieee80211_local *local,
next = skb->next;
len = skb->len;
+
+ sdata = vif_to_sdata(info->control.vif);
+
+ switch (sdata->vif.type) {
+ case NL80211_IFTYPE_MONITOR:
+ info->control.vif = NULL;
+ break;
+ case NL80211_IFTYPE_AP_VLAN:
+ info->control.vif = &container_of(sdata->bss,
+ struct ieee80211_sub_if_data, u.ap)->vif;
+ break;
+ default:
+ /* keep */
+ break;
+ }
+
ret = drv_tx(local, skb);
if (WARN_ON(ret != NETDEV_TX_OK && skb->len != len)) {
dev_kfree_skb(skb);
ret = NETDEV_TX_OK;
}
- if (ret != NETDEV_TX_OK)
+ if (ret != NETDEV_TX_OK) {
+ info->control.vif = &sdata->vif;
return IEEE80211_TX_AGAIN;
+ }
+
*skbp = skb = next;
ieee80211_led_tx(local, 1);
fragm = true;
@@ -1386,17 +1391,12 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sub_if_data *tmp_sdata;
int headroom;
bool may_encrypt;
- enum {
- NOT_MONITOR,
- FOUND_SDATA,
- UNKNOWN_ADDRESS,
- } monitor_iface = NOT_MONITOR;
dev_hold(sdata->dev);
if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
local->hw.conf.dynamic_ps_timeout > 0 &&
- !local->sw_scanning && !local->hw_scanning && local->ps_sdata) {
+ !(local->scanning) && local->ps_sdata) {
if (local->hw.conf.flags & IEEE80211_CONF_PS) {
ieee80211_stop_queues_by_reason(&local->hw,
IEEE80211_QUEUE_STOP_REASON_PS);
@@ -1424,7 +1424,6 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
u16 len_rthdr;
info->flags |= IEEE80211_TX_CTL_INJECTED;
- monitor_iface = UNKNOWN_ADDRESS;
len_rthdr = ieee80211_get_radiotap_len(skb->data);
hdr = (struct ieee80211_hdr *)(skb->data + len_rthdr);
@@ -1454,7 +1453,6 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
dev_hold(tmp_sdata->dev);
dev_put(sdata->dev);
sdata = tmp_sdata;
- monitor_iface = FOUND_SDATA;
break;
}
}
@@ -1476,13 +1474,7 @@ static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata,
return;
}
- tmp_sdata = sdata;
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- tmp_sdata = container_of(sdata->bss,
- struct ieee80211_sub_if_data,
- u.ap);
- if (likely(monitor_iface != UNKNOWN_ADDRESS))
- info->control.vif = &tmp_sdata->vif;
+ info->control.vif = &sdata->vif;
ieee80211_select_queue(local, skb);
ieee80211_tx(sdata, skb, false);
@@ -1534,9 +1526,6 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb,
if (unlikely(skb->len < len_rthdr))
goto fail; /* skb too short for claimed rt header extent */
- /* needed because we set skb device to master */
- skb->iif = dev->ifindex;
-
/*
* fix up the pointers accounting for the radiotap
* header still being in there. We are being given
@@ -1810,8 +1799,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
nh_pos += hdrlen;
h_pos += hdrlen;
- skb->iif = dev->ifindex;
-
dev->stats.tx_packets++;
dev->stats.tx_bytes += skb->len;
@@ -1856,32 +1843,13 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
struct ieee80211_sub_if_data *sdata;
struct sta_info *sta;
struct ieee80211_hdr *hdr;
- struct net_device *dev;
int ret;
bool result = true;
- /* does interface still exist? */
- dev = dev_get_by_index(&init_net, skb->iif);
- if (!dev) {
- dev_kfree_skb(skb);
- return true;
- }
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
- sdata = container_of(sdata->bss,
- struct ieee80211_sub_if_data,
- u.ap);
-
- if (unlikely(info->control.vif && info->control.vif != &sdata->vif)) {
- dev_kfree_skb(skb);
- result = true;
- goto out;
- }
+ sdata = vif_to_sdata(info->control.vif);
if (info->flags & IEEE80211_TX_INTFL_NEED_TXPROCESSING) {
- /* do not use sdata, it may have been changed above */
- ieee80211_tx(IEEE80211_DEV_TO_SUB_IF(dev), skb, true);
+ ieee80211_tx(sdata, skb, true);
} else {
hdr = (struct ieee80211_hdr *)skb->data;
sta = sta_info_get(local, hdr->addr1);
@@ -1891,9 +1859,6 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local,
result = false;
}
- out:
- dev_put(dev);
-
return result;
}
@@ -1921,10 +1886,21 @@ void ieee80211_tx_pending(unsigned long data)
while (!skb_queue_empty(&local->pending[i])) {
struct sk_buff *skb = __skb_dequeue(&local->pending[i]);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct ieee80211_sub_if_data *sdata;
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree_skb(skb);
+ continue;
+ }
+
+ sdata = vif_to_sdata(info->control.vif);
+ dev_hold(sdata->dev);
spin_unlock_irqrestore(&local->queue_stop_reason_lock,
flags);
txok = ieee80211_tx_pending_skb(local, skb);
+ dev_put(sdata->dev);
if (!txok)
__skb_queue_head(&local->pending[i], skb);
spin_lock_irqsave(&local->queue_stop_reason_lock,
@@ -2234,7 +2210,6 @@ void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb,
skb_set_network_header(skb, 0);
skb_set_transport_header(skb, 0);
- skb->iif = sdata->dev->ifindex;
if (!encrypt)
info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 7fc55846d60..8502936e531 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -336,6 +336,12 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local,
struct ieee80211_hw *hw = &local->hw;
unsigned long flags;
int queue = skb_get_queue_mapping(skb);
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree(skb);
+ return;
+ }
spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
__ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
@@ -358,6 +364,13 @@ int ieee80211_add_pending_skbs(struct ieee80211_local *local,
IEEE80211_QUEUE_STOP_REASON_SKB_ADD);
while ((skb = skb_dequeue(skbs))) {
+ struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+
+ if (WARN_ON(!info->control.vif)) {
+ kfree(skb);
+ continue;
+ }
+
ret++;
queue = skb_get_queue_mapping(skb);
__skb_queue_tail(&local->pending[queue], skb);
diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c
deleted file mode 100644
index 5acb8140ee5..00000000000
--- a/net/mac80211/wext.c
+++ /dev/null
@@ -1,235 +0,0 @@
-/*
- * Copyright 2002-2005, Instant802 Networks, Inc.
- * Copyright 2005-2006, Devicescape Software, Inc.
- *
- * 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.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/netdevice.h>
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/etherdevice.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <net/iw_handler.h>
-#include <asm/uaccess.h>
-
-#include <net/mac80211.h>
-#include "ieee80211_i.h"
-#include "led.h"
-#include "rate.h"
-#include "wpa.h"
-#include "aes_ccm.h"
-
-
-static int ieee80211_ioctl_siwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_channel *chan;
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
- else if (sdata->vif.type == NL80211_IFTYPE_STATION)
- return cfg80211_mgd_wext_siwfreq(dev, info, freq, extra);
-
- /* freq->e == 0: freq->m = channel; otherwise freq = m * 10^e */
- if (freq->e == 0) {
- if (freq->m < 0)
- return -EINVAL;
- else
- chan = ieee80211_get_channel(local->hw.wiphy,
- ieee80211_channel_to_frequency(freq->m));
- } else {
- int i, div = 1000000;
- for (i = 0; i < freq->e; i++)
- div /= 10;
- if (div <= 0)
- return -EINVAL;
- chan = ieee80211_get_channel(local->hw.wiphy, freq->m / div);
- }
-
- if (!chan)
- return -EINVAL;
-
- if (chan->flags & IEEE80211_CHAN_DISABLED)
- return -EINVAL;
-
- /*
- * no change except maybe auto -> fixed, ignore the HT
- * setting so you can fix a channel you're on already
- */
- if (local->oper_channel == chan)
- return 0;
-
- local->oper_channel = chan;
- local->oper_channel_type = NL80211_CHAN_NO_HT;
- ieee80211_hw_config(local, 0);
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_giwfreq(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_freq *freq, char *extra)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
- else if (sdata->vif.type == NL80211_IFTYPE_STATION)
- return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
-
- freq->m = local->oper_channel->center_freq;
- freq->e = 6;
-
- return 0;
-}
-
-
-static int ieee80211_ioctl_siwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
- else if (sdata->vif.type == NL80211_IFTYPE_STATION)
- return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_giwessid(struct net_device *dev,
- struct iw_request_info *info,
- struct iw_point *data, char *ssid)
-{
- struct ieee80211_sub_if_data *sdata;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
- else if (sdata->vif.type == NL80211_IFTYPE_STATION)
- return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
-
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_siwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
-
- if (sdata->vif.type == NL80211_IFTYPE_WDS)
- return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
- return -EOPNOTSUPP;
-}
-
-
-static int ieee80211_ioctl_giwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *ap_addr, char *extra)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- if (sdata->vif.type == NL80211_IFTYPE_ADHOC)
- return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
-
- if (sdata->vif.type == NL80211_IFTYPE_STATION)
- return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
-
- if (sdata->vif.type == NL80211_IFTYPE_WDS)
- return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
-
- return -EOPNOTSUPP;
-}
-
-
-/* Structures to export the Wireless Handlers */
-
-static const iw_handler ieee80211_handler[] =
-{
- (iw_handler) NULL, /* SIOCSIWCOMMIT */
- (iw_handler) cfg80211_wext_giwname, /* SIOCGIWNAME */
- (iw_handler) NULL, /* SIOCSIWNWID */
- (iw_handler) NULL, /* SIOCGIWNWID */
- (iw_handler) ieee80211_ioctl_siwfreq, /* SIOCSIWFREQ */
- (iw_handler) ieee80211_ioctl_giwfreq, /* SIOCGIWFREQ */
- (iw_handler) cfg80211_wext_siwmode, /* SIOCSIWMODE */
- (iw_handler) cfg80211_wext_giwmode, /* SIOCGIWMODE */
- (iw_handler) NULL, /* SIOCSIWSENS */
- (iw_handler) NULL, /* SIOCGIWSENS */
- (iw_handler) NULL /* not used */, /* SIOCSIWRANGE */
- (iw_handler) cfg80211_wext_giwrange, /* SIOCGIWRANGE */
- (iw_handler) NULL /* not used */, /* SIOCSIWPRIV */
- (iw_handler) NULL /* kernel code */, /* SIOCGIWPRIV */
- (iw_handler) NULL /* not used */, /* SIOCSIWSTATS */
- (iw_handler) NULL /* kernel code */, /* SIOCGIWSTATS */
- (iw_handler) NULL, /* SIOCSIWSPY */
- (iw_handler) NULL, /* SIOCGIWSPY */
- (iw_handler) NULL, /* SIOCSIWTHRSPY */
- (iw_handler) NULL, /* SIOCGIWTHRSPY */
- (iw_handler) ieee80211_ioctl_siwap, /* SIOCSIWAP */
- (iw_handler) ieee80211_ioctl_giwap, /* SIOCGIWAP */
- (iw_handler) cfg80211_wext_siwmlme, /* SIOCSIWMLME */
- (iw_handler) NULL, /* SIOCGIWAPLIST */
- (iw_handler) cfg80211_wext_siwscan, /* SIOCSIWSCAN */
- (iw_handler) cfg80211_wext_giwscan, /* SIOCGIWSCAN */
- (iw_handler) ieee80211_ioctl_siwessid, /* SIOCSIWESSID */
- (iw_handler) ieee80211_ioctl_giwessid, /* SIOCGIWESSID */
- (iw_handler) NULL, /* SIOCSIWNICKN */
- (iw_handler) NULL, /* SIOCGIWNICKN */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) cfg80211_wext_siwrate, /* SIOCSIWRATE */
- (iw_handler) cfg80211_wext_giwrate, /* SIOCGIWRATE */
- (iw_handler) cfg80211_wext_siwrts, /* SIOCSIWRTS */
- (iw_handler) cfg80211_wext_giwrts, /* SIOCGIWRTS */
- (iw_handler) cfg80211_wext_siwfrag, /* SIOCSIWFRAG */
- (iw_handler) cfg80211_wext_giwfrag, /* SIOCGIWFRAG */
- (iw_handler) cfg80211_wext_siwtxpower, /* SIOCSIWTXPOW */
- (iw_handler) cfg80211_wext_giwtxpower, /* SIOCGIWTXPOW */
- (iw_handler) cfg80211_wext_siwretry, /* SIOCSIWRETRY */
- (iw_handler) cfg80211_wext_giwretry, /* SIOCGIWRETRY */
- (iw_handler) cfg80211_wext_siwencode, /* SIOCSIWENCODE */
- (iw_handler) cfg80211_wext_giwencode, /* SIOCGIWENCODE */
- (iw_handler) cfg80211_wext_siwpower, /* SIOCSIWPOWER */
- (iw_handler) cfg80211_wext_giwpower, /* SIOCGIWPOWER */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) NULL, /* -- hole -- */
- (iw_handler) cfg80211_wext_siwgenie, /* SIOCSIWGENIE */
- (iw_handler) NULL, /* SIOCGIWGENIE */
- (iw_handler) cfg80211_wext_siwauth, /* SIOCSIWAUTH */
- (iw_handler) cfg80211_wext_giwauth, /* SIOCGIWAUTH */
- (iw_handler) cfg80211_wext_siwencodeext, /* SIOCSIWENCODEEXT */
- (iw_handler) NULL, /* SIOCGIWENCODEEXT */
- (iw_handler) NULL, /* SIOCSIWPMKSA */
- (iw_handler) NULL, /* -- hole -- */
-};
-
-const struct iw_handler_def ieee80211_iw_handler_def =
-{
- .num_standard = ARRAY_SIZE(ieee80211_handler),
- .standard = (iw_handler *) ieee80211_handler,
- .get_wireless_stats = cfg80211_wireless_stats,
-};
diff --git a/net/wireless/core.c b/net/wireless/core.c
index 6891cd0e38d..f9fee65dc06 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -19,6 +19,7 @@
#include "core.h"
#include "sysfs.h"
#include "debugfs.h"
+#include "wext-compat.h"
/* name for sysfs, %d is appended */
#define PHY_NAME "phy"
@@ -106,7 +107,7 @@ __cfg80211_rdev_from_info(struct genl_info *info)
if (info->attrs[NL80211_ATTR_IFINDEX]) {
ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
- dev = dev_get_by_index(&init_net, ifindex);
+ dev = dev_get_by_index(genl_info_net(info), ifindex);
if (dev) {
if (dev->ieee80211_ptr)
byifidx =
@@ -151,13 +152,13 @@ cfg80211_get_dev_from_info(struct genl_info *info)
}
struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(int ifindex)
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex)
{
struct cfg80211_registered_device *rdev = ERR_PTR(-ENODEV);
struct net_device *dev;
mutex_lock(&cfg80211_mutex);
- dev = dev_get_by_index(&init_net, ifindex);
+ dev = dev_get_by_index(net, ifindex);
if (!dev)
goto out;
if (dev->ieee80211_ptr) {
@@ -222,6 +223,42 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
return 0;
}
+int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
+ struct net *net)
+{
+ struct wireless_dev *wdev;
+ int err = 0;
+
+ if (!rdev->wiphy.netnsok)
+ return -EOPNOTSUPP;
+
+ list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
+ err = dev_change_net_namespace(wdev->netdev, net, "wlan%d");
+ if (err)
+ break;
+ wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
+ }
+
+ if (err) {
+ /* failed -- clean up to old netns */
+ net = wiphy_net(&rdev->wiphy);
+
+ list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list,
+ list) {
+ wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL;
+ err = dev_change_net_namespace(wdev->netdev, net,
+ "wlan%d");
+ WARN_ON(err);
+ wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
+ }
+ }
+
+ wiphy_net_set(&rdev->wiphy, net);
+
+ return err;
+}
+
static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)
{
struct cfg80211_registered_device *rdev = data;
@@ -375,6 +412,8 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv)
rdev->wiphy.dev.class = &ieee80211_class;
rdev->wiphy.dev.platform_data = rdev;
+ wiphy_net_set(&rdev->wiphy, &init_net);
+
rdev->rfkill_ops.set_block = cfg80211_rfkill_set_block;
rdev->rfkill = rfkill_alloc(dev_name(&rdev->wiphy.dev),
&rdev->wiphy.dev, RFKILL_TYPE_WLAN,
@@ -615,6 +654,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
spin_lock_init(&wdev->event_lock);
mutex_lock(&rdev->devlist_mtx);
list_add(&wdev->list, &rdev->netdev_list);
+ /* can only change netns with wiphy */
+ dev->features |= NETIF_F_NETNS_LOCAL;
+
if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj,
"phy80211")) {
printk(KERN_ERR "wireless: failed to add phy80211 "
@@ -624,6 +666,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
wdev->sme_state = CFG80211_SME_IDLE;
mutex_unlock(&rdev->devlist_mtx);
#ifdef CONFIG_WIRELESS_EXT
+ if (!dev->wireless_handlers)
+ dev->wireless_handlers = &cfg80211_wext_handler;
wdev->wext.default_key = -1;
wdev->wext.default_mgmt_key = -1;
wdev->wext.connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC;
@@ -705,10 +749,32 @@ static struct notifier_block cfg80211_netdev_notifier = {
.notifier_call = cfg80211_netdev_notifier_call,
};
-static int cfg80211_init(void)
+static void __net_exit cfg80211_pernet_exit(struct net *net)
+{
+ struct cfg80211_registered_device *rdev;
+
+ rtnl_lock();
+ mutex_lock(&cfg80211_mutex);
+ list_for_each_entry(rdev, &cfg80211_rdev_list, list) {
+ if (net_eq(wiphy_net(&rdev->wiphy), net))
+ WARN_ON(cfg80211_switch_netns(rdev, &init_net));
+ }
+ mutex_unlock(&cfg80211_mutex);
+ rtnl_unlock();
+}
+
+static struct pernet_operations cfg80211_pernet_ops = {
+ .exit = cfg80211_pernet_exit,
+};
+
+static int __init cfg80211_init(void)
{
int err;
+ err = register_pernet_device(&cfg80211_pernet_ops);
+ if (err)
+ goto out_fail_pernet;
+
err = wiphy_sysfs_init();
if (err)
goto out_fail_sysfs;
@@ -736,9 +802,10 @@ out_fail_nl80211:
out_fail_notifier:
wiphy_sysfs_exit();
out_fail_sysfs:
+ unregister_pernet_device(&cfg80211_pernet_ops);
+out_fail_pernet:
return err;
}
-
subsys_initcall(cfg80211_init);
static void cfg80211_exit(void)
@@ -748,5 +815,6 @@ static void cfg80211_exit(void)
unregister_netdevice_notifier(&cfg80211_netdev_notifier);
wiphy_sysfs_exit();
regulatory_exit();
+ unregister_pernet_device(&cfg80211_pernet_ops);
}
module_exit(cfg80211_exit);
diff --git a/net/wireless/core.h b/net/wireless/core.h
index 2ec8ddbe57d..6d903c1d721 100644
--- a/net/wireless/core.h
+++ b/net/wireless/core.h
@@ -66,6 +66,9 @@ struct cfg80211_registered_device {
struct work_struct conn_work;
struct work_struct event_work;
+ /* current channel */
+ struct ieee80211_channel *channel;
+
#ifdef CONFIG_CFG80211_DEBUGFS
/* Debugfs entries */
struct wiphy_debugfsdentries {
@@ -170,7 +173,10 @@ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
extern struct cfg80211_registered_device *
-cfg80211_get_dev_from_ifindex(int ifindex);
+cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
+
+int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
+ struct net *net);
static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
{
diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c
index 8b65e212ae4..4d7a084b35e 100644
--- a/net/wireless/ibss.c
+++ b/net/wireless/ibss.c
@@ -7,6 +7,7 @@
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <net/cfg80211.h>
+#include "wext-compat.h"
#include "nl80211.h"
@@ -312,8 +313,6 @@ int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwfreq);
int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
struct iw_request_info *info,
@@ -342,8 +341,6 @@ int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
/* no channel if not joining */
return -EINVAL;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwfreq);
int cfg80211_ibss_wext_siwessid(struct net_device *dev,
struct iw_request_info *info,
@@ -384,8 +381,6 @@ int cfg80211_ibss_wext_siwessid(struct net_device *dev,
return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwessid);
int cfg80211_ibss_wext_giwessid(struct net_device *dev,
struct iw_request_info *info,
@@ -413,8 +408,6 @@ int cfg80211_ibss_wext_giwessid(struct net_device *dev,
return 0;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwessid);
int cfg80211_ibss_wext_siwap(struct net_device *dev,
struct iw_request_info *info,
@@ -469,8 +462,6 @@ int cfg80211_ibss_wext_siwap(struct net_device *dev,
return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_siwap);
int cfg80211_ibss_wext_giwap(struct net_device *dev,
struct iw_request_info *info,
@@ -496,6 +487,4 @@ int cfg80211_ibss_wext_giwap(struct net_device *dev,
return 0;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_ibss_wext_giwap);
#endif
diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c
index 5b9b2212082..097a87d7bae 100644
--- a/net/wireless/mlme.c
+++ b/net/wireless/mlme.c
@@ -8,7 +8,9 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/nl80211.h>
+#include <linux/wireless.h>
#include <net/cfg80211.h>
+#include <net/iw_handler.h>
#include "core.h"
#include "nl80211.h"
@@ -545,6 +547,12 @@ static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
ASSERT_WDEV_LOCK(wdev);
+ if (wdev->sme_state != CFG80211_SME_CONNECTED)
+ return -ENOTCONN;
+
+ if (WARN_ON(!wdev->current_bss))
+ return -ENOTCONN;
+
memset(&req, 0, sizeof(req));
req.reason_code = reason;
req.ie = ie;
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index da450ef1fc7..0cd548267d4 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -14,8 +14,10 @@
#include <linux/rtnetlink.h>
#include <linux/netlink.h>
#include <linux/etherdevice.h>
+#include <net/net_namespace.h>
#include <net/genetlink.h>
#include <net/cfg80211.h>
+#include <net/sock.h>
#include "core.h"
#include "nl80211.h"
#include "reg.h"
@@ -27,24 +29,26 @@ static struct genl_family nl80211_fam = {
.hdrsize = 0, /* no private header */
.version = 1, /* no particular meaning now */
.maxattr = NL80211_ATTR_MAX,
+ .netnsok = true,
};
/* internal helper: get rdev and dev */
-static int get_rdev_dev_by_info_ifindex(struct nlattr **attrs,
+static int get_rdev_dev_by_info_ifindex(struct genl_info *info,
struct cfg80211_registered_device **rdev,
struct net_device **dev)
{
+ struct nlattr **attrs = info->attrs;
int ifindex;
if (!attrs[NL80211_ATTR_IFINDEX])
return -EINVAL;
ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
- *dev = dev_get_by_index(&init_net, ifindex);
+ *dev = dev_get_by_index(genl_info_net(info), ifindex);
if (!*dev)
return -ENODEV;
- *rdev = cfg80211_get_dev_from_ifindex(ifindex);
+ *rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex);
if (IS_ERR(*rdev)) {
dev_put(*dev);
return PTR_ERR(*rdev);
@@ -133,6 +137,7 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
+ [NL80211_ATTR_PID] = { .type = NLA_U32 },
};
/* policy for the attributes */
@@ -532,6 +537,10 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
CMD(deauth, DEAUTHENTICATE);
CMD(disassoc, DISASSOCIATE);
CMD(join_ibss, JOIN_IBSS);
+ if (dev->wiphy.netnsok) {
+ i++;
+ NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
+ }
#undef CMD
@@ -562,6 +571,8 @@ static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb)
mutex_lock(&cfg80211_mutex);
list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+ if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+ continue;
if (++idx <= start)
continue;
if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
@@ -746,6 +757,8 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info)
channel_type);
if (result)
goto bad_res;
+
+ rdev->channel = chan;
}
changed = 0;
@@ -867,6 +880,8 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *
mutex_lock(&cfg80211_mutex);
list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+ if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+ continue;
if (wp_idx < wp_start) {
wp_idx++;
continue;
@@ -907,7 +922,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
struct net_device *netdev;
int err;
- err = get_rdev_dev_by_info_ifindex(info->attrs, &dev, &netdev);
+ err = get_rdev_dev_by_info_ifindex(info, &dev, &netdev);
if (err)
return err;
@@ -975,7 +990,7 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -1098,26 +1113,25 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev;
- int ifindex, err;
+ int err;
struct net_device *dev;
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
- ifindex = dev->ifindex;
- dev_put(dev);
if (!rdev->ops->del_virtual_intf) {
err = -EOPNOTSUPP;
goto out;
}
- err = rdev->ops->del_virtual_intf(&rdev->wiphy, ifindex);
+ err = rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
out:
cfg80211_unlock_rdev(rdev);
+ dev_put(dev);
unlock_rtnl:
rtnl_unlock();
return err;
@@ -1195,7 +1209,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -1274,7 +1288,7 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -1333,7 +1347,7 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -1380,7 +1394,7 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -1429,7 +1443,7 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -1516,7 +1530,7 @@ static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -1726,13 +1740,13 @@ static int nl80211_dump_station(struct sk_buff *skb,
rtnl_lock();
- netdev = __dev_get_by_index(&init_net, ifidx);
+ netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
if (!netdev) {
err = -ENODEV;
goto out_rtnl;
}
- dev = cfg80211_get_dev_from_ifindex(ifidx);
+ dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
if (IS_ERR(dev)) {
err = PTR_ERR(dev);
goto out_rtnl;
@@ -1791,7 +1805,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -1829,14 +1843,16 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
/*
* Get vlan interface making sure it is on the right wiphy.
*/
-static int get_vlan(struct nlattr *vlanattr,
+static int get_vlan(struct genl_info *info,
struct cfg80211_registered_device *rdev,
struct net_device **vlan)
{
+ struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
*vlan = NULL;
if (vlanattr) {
- *vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr));
+ *vlan = dev_get_by_index(genl_info_net(info),
+ nla_get_u32(vlanattr));
if (!*vlan)
return -ENODEV;
if (!(*vlan)->ieee80211_ptr)
@@ -1891,11 +1907,11 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], rdev, &params.vlan);
+ err = get_vlan(info, rdev, &params.vlan);
if (err)
goto out;
@@ -2004,11 +2020,11 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
- err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], rdev, &params.vlan);
+ err = get_vlan(info, rdev, &params.vlan);
if (err)
goto out;
@@ -2079,7 +2095,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2185,13 +2201,13 @@ static int nl80211_dump_mpath(struct sk_buff *skb,
rtnl_lock();
- netdev = __dev_get_by_index(&init_net, ifidx);
+ netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
if (!netdev) {
err = -ENODEV;
goto out_rtnl;
}
- dev = cfg80211_get_dev_from_ifindex(ifidx);
+ dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
if (IS_ERR(dev)) {
err = PTR_ERR(dev);
goto out_rtnl;
@@ -2255,7 +2271,7 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2314,7 +2330,7 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2362,7 +2378,7 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2404,7 +2420,7 @@ static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2455,7 +2471,7 @@ static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2574,7 +2590,7 @@ static int nl80211_get_mesh_params(struct sk_buff *skb,
rtnl_lock();
/* Look up our device */
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2691,7 +2707,7 @@ static int nl80211_set_mesh_params(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -2947,7 +2963,7 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto out_rtnl;
@@ -3069,14 +3085,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info)
request->ie_len);
}
- request->ifidx = dev->ifindex;
+ request->dev = dev;
request->wiphy = &rdev->wiphy;
rdev->scan_req = request;
err = rdev->ops->scan(&rdev->wiphy, dev, request);
- if (!err)
+ if (!err) {
nl80211_send_scan_start(rdev, dev);
+ dev_hold(dev);
+ }
out_free:
if (err) {
@@ -3198,11 +3216,11 @@ static int nl80211_dump_scan(struct sk_buff *skb,
cb->args[0] = ifidx;
}
- dev = dev_get_by_index(&init_net, ifidx);
+ dev = dev_get_by_index(sock_net(skb->sk), ifidx);
if (!dev)
return -ENODEV;
- rdev = cfg80211_get_dev_from_ifindex(ifidx);
+ rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
if (IS_ERR(rdev)) {
err = PTR_ERR(rdev);
goto out_put_netdev;
@@ -3312,7 +3330,7 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -3369,6 +3387,8 @@ static int nl80211_crypto_settings(struct genl_info *info,
struct cfg80211_crypto_settings *settings,
int cipher_limit)
{
+ memset(settings, 0, sizeof(*settings));
+
settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT];
if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) {
@@ -3448,7 +3468,7 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -3531,7 +3551,7 @@ static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -3593,7 +3613,7 @@ static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -3666,7 +3686,7 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -3739,7 +3759,7 @@ static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -3924,7 +3944,7 @@ static int nl80211_connect(struct sk_buff *skb, struct genl_info *info)
return err;
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -4000,7 +4020,7 @@ static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info)
rtnl_lock();
- err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+ err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
if (err)
goto unlock_rtnl;
@@ -4024,6 +4044,47 @@ unlock_rtnl:
return err;
}
+static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+ struct net *net;
+ int err;
+ u32 pid;
+
+ if (!info->attrs[NL80211_ATTR_PID])
+ return -EINVAL;
+
+ pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
+
+ rtnl_lock();
+
+ rdev = cfg80211_get_dev_from_info(info);
+ if (IS_ERR(rdev)) {
+ err = PTR_ERR(rdev);
+ goto out;
+ }
+
+ net = get_net_ns_by_pid(pid);
+ if (IS_ERR(net)) {
+ err = PTR_ERR(net);
+ goto out;
+ }
+
+ err = 0;
+
+ /* check if anything to do */
+ if (net_eq(wiphy_net(&rdev->wiphy), net))
+ goto out_put_net;
+
+ err = cfg80211_switch_netns(rdev, net);
+ out_put_net:
+ put_net(net);
+ out:
+ cfg80211_unlock_rdev(rdev);
+ rtnl_unlock();
+ return err;
+}
+
static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_GET_WIPHY,
@@ -4257,6 +4318,12 @@ static struct genl_ops nl80211_ops[] = {
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = NL80211_CMD_SET_WIPHY_NETNS,
+ .doit = nl80211_wiphy_netns,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
};
static struct genl_multicast_group nl80211_mlme_mcgrp = {
.name = "mlme",
@@ -4288,7 +4355,8 @@ void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev)
return;
}
- genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_config_mcgrp.id, GFP_KERNEL);
}
static int nl80211_add_scan_req(struct sk_buff *msg,
@@ -4365,7 +4433,8 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
}
void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
@@ -4383,7 +4452,8 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
}
void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
@@ -4401,7 +4471,8 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_scan_mcgrp.id, GFP_KERNEL);
}
/*
@@ -4450,7 +4521,10 @@ void nl80211_send_reg_change_event(struct regulatory_request *request)
return;
}
- genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_KERNEL);
+ rcu_read_lock();
+ genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+ GFP_ATOMIC);
+ rcu_read_unlock();
return;
@@ -4486,7 +4560,8 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
@@ -4553,7 +4628,8 @@ static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
@@ -4611,7 +4687,8 @@ void nl80211_send_connect_result(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
@@ -4651,7 +4728,8 @@ void nl80211_send_roamed(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
@@ -4691,7 +4769,8 @@ void nl80211_send_disconnected(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, GFP_KERNEL);
return;
nla_put_failure:
@@ -4726,7 +4805,8 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
@@ -4766,7 +4846,8 @@ void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev,
return;
}
- genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+ genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+ nl80211_mlme_mcgrp.id, gfp);
return;
nla_put_failure:
@@ -4819,7 +4900,10 @@ void nl80211_send_beacon_hint_event(struct wiphy *wiphy,
return;
}
- genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_ATOMIC);
+ rcu_read_lock();
+ genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+ GFP_ATOMIC);
+ rcu_read_unlock();
return;
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index decc59fe0ee..67714d7ed5b 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -14,8 +14,9 @@
#include <net/iw_handler.h>
#include "core.h"
#include "nl80211.h"
+#include "wext-compat.h"
-#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
+#define IEEE80211_SCAN_RESULT_EXPIRE (15 * HZ)
void __cfg80211_scan_done(struct work_struct *wk)
{
@@ -32,9 +33,7 @@ void __cfg80211_scan_done(struct work_struct *wk)
mutex_lock(&rdev->mtx);
request = rdev->scan_req;
- dev = dev_get_by_index(&init_net, request->ifidx);
- if (!dev)
- goto out;
+ dev = request->dev;
/*
* This must be before sending the other events!
@@ -58,7 +57,6 @@ void __cfg80211_scan_done(struct work_struct *wk)
dev_put(dev);
- out:
cfg80211_unlock_rdev(rdev);
wiphy_to_dev(request->wiphy)->scan_req = NULL;
kfree(request);
@@ -66,17 +64,10 @@ void __cfg80211_scan_done(struct work_struct *wk)
void cfg80211_scan_done(struct cfg80211_scan_request *request, bool aborted)
{
- struct net_device *dev = dev_get_by_index(&init_net, request->ifidx);
- if (WARN_ON(!dev)) {
- kfree(request);
- return;
- }
-
WARN_ON(request != wiphy_to_dev(request->wiphy)->scan_req);
request->aborted = aborted;
schedule_work(&wiphy_to_dev(request->wiphy)->scan_done_wk);
- dev_put(dev);
}
EXPORT_SYMBOL(cfg80211_scan_done);
@@ -592,7 +583,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
if (!netif_running(dev))
return -ENETDOWN;
- rdev = cfg80211_get_dev_from_ifindex(dev->ifindex);
+ rdev = cfg80211_get_dev_from_ifindex(dev_net(dev), dev->ifindex);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
@@ -617,7 +608,7 @@ int cfg80211_wext_siwscan(struct net_device *dev,
}
creq->wiphy = wiphy;
- creq->ifidx = dev->ifindex;
+ creq->dev = dev;
creq->ssids = (void *)(creq + 1);
creq->channels = (void *)(creq->ssids + 1);
creq->n_channels = n_channels;
@@ -654,8 +645,10 @@ int cfg80211_wext_siwscan(struct net_device *dev,
if (err) {
rdev->scan_req = NULL;
kfree(creq);
- } else
+ } else {
nl80211_send_scan_start(rdev, dev);
+ dev_hold(dev);
+ }
out:
cfg80211_unlock_rdev(rdev);
return err;
@@ -948,7 +941,7 @@ int cfg80211_wext_giwscan(struct net_device *dev,
if (!netif_running(dev))
return -ENETDOWN;
- rdev = cfg80211_get_dev_from_ifindex(dev->ifindex);
+ rdev = cfg80211_get_dev_from_ifindex(dev_net(dev), dev->ifindex);
if (IS_ERR(rdev))
return PTR_ERR(rdev);
diff --git a/net/wireless/sme.c b/net/wireless/sme.c
index 82de2d9795f..d2b5d4ce0a0 100644
--- a/net/wireless/sme.c
+++ b/net/wireless/sme.c
@@ -8,6 +8,8 @@
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/workqueue.h>
+#include <linux/wireless.h>
+#include <net/iw_handler.h>
#include <net/cfg80211.h>
#include <net/rtnetlink.h>
#include "nl80211.h"
@@ -86,7 +88,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
wdev->conn->params.ssid_len);
request->ssids[0].ssid_len = wdev->conn->params.ssid_len;
- request->ifidx = wdev->netdev->ifindex;
+ request->dev = wdev->netdev;
request->wiphy = &rdev->wiphy;
rdev->scan_req = request;
@@ -95,6 +97,7 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev)
if (!err) {
wdev->conn->state = CFG80211_CONN_SCANNING;
nl80211_send_scan_start(rdev, wdev->netdev);
+ dev_hold(wdev->netdev);
} else {
rdev->scan_req = NULL;
kfree(request);
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index c7351a98e66..e4e90e249ba 100644
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -14,6 +14,7 @@
#include <linux/etherdevice.h>
#include <net/iw_handler.h>
#include <net/cfg80211.h>
+#include "wext-compat.h"
#include "core.h"
int cfg80211_wext_giwname(struct net_device *dev,
@@ -300,7 +301,6 @@ struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
return ERR_PTR(-EINVAL);
return chan;
}
-EXPORT_SYMBOL_GPL(cfg80211_wext_freq);
int cfg80211_wext_siwrts(struct net_device *dev,
struct iw_request_info *info,
@@ -759,6 +759,58 @@ int cfg80211_wext_giwencode(struct net_device *dev,
}
EXPORT_SYMBOL_GPL(cfg80211_wext_giwencode);
+int cfg80211_wext_siwfreq(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_freq *freq, char *extra)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+ struct ieee80211_channel *chan;
+ int err;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ return cfg80211_mgd_wext_siwfreq(dev, info, freq, extra);
+ case NL80211_IFTYPE_ADHOC:
+ return cfg80211_ibss_wext_siwfreq(dev, info, freq, extra);
+ default:
+ chan = cfg80211_wext_freq(wdev->wiphy, freq);
+ if (!chan)
+ return -EINVAL;
+ if (IS_ERR(chan))
+ return PTR_ERR(chan);
+ err = rdev->ops->set_channel(wdev->wiphy, chan,
+ NL80211_CHAN_NO_HT);
+ if (err)
+ return err;
+ rdev->channel = chan;
+ return 0;
+ }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwfreq);
+
+int cfg80211_wext_giwfreq(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_freq *freq, char *extra)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+ struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_STATION:
+ return cfg80211_mgd_wext_giwfreq(dev, info, freq, extra);
+ case NL80211_IFTYPE_ADHOC:
+ return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra);
+ default:
+ if (!rdev->channel)
+ return -EINVAL;
+ freq->m = rdev->channel->center_freq;
+ freq->e = 6;
+ return 0;
+ }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwfreq);
+
int cfg80211_wext_siwtxpower(struct net_device *dev,
struct iw_request_info *info,
union iwreq_data *data, char *extra)
@@ -1097,9 +1149,9 @@ int cfg80211_wext_giwpower(struct net_device *dev,
}
EXPORT_SYMBOL_GPL(cfg80211_wext_giwpower);
-int cfg80211_wds_wext_siwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *addr, char *extra)
+static int cfg80211_wds_wext_siwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *addr, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
@@ -1125,11 +1177,10 @@ int cfg80211_wds_wext_siwap(struct net_device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wds_wext_siwap);
-int cfg80211_wds_wext_giwap(struct net_device *dev,
- struct iw_request_info *info,
- struct sockaddr *addr, char *extra)
+static int cfg80211_wds_wext_giwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *addr, char *extra)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
@@ -1141,7 +1192,6 @@ int cfg80211_wds_wext_giwap(struct net_device *dev,
return 0;
}
-EXPORT_SYMBOL_GPL(cfg80211_wds_wext_giwap);
int cfg80211_wext_siwrate(struct net_device *dev,
struct iw_request_info *info,
@@ -1275,3 +1325,115 @@ struct iw_statistics *cfg80211_wireless_stats(struct net_device *dev)
return &wstats;
}
EXPORT_SYMBOL_GPL(cfg80211_wireless_stats);
+
+int cfg80211_wext_siwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *ap_addr, char *extra)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ return cfg80211_ibss_wext_siwap(dev, info, ap_addr, extra);
+ case NL80211_IFTYPE_STATION:
+ return cfg80211_mgd_wext_siwap(dev, info, ap_addr, extra);
+ case NL80211_IFTYPE_WDS:
+ return cfg80211_wds_wext_siwap(dev, info, ap_addr, extra);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwap);
+
+int cfg80211_wext_giwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *ap_addr, char *extra)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ return cfg80211_ibss_wext_giwap(dev, info, ap_addr, extra);
+ case NL80211_IFTYPE_STATION:
+ return cfg80211_mgd_wext_giwap(dev, info, ap_addr, extra);
+ case NL80211_IFTYPE_WDS:
+ return cfg80211_wds_wext_giwap(dev, info, ap_addr, extra);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwap);
+
+int cfg80211_wext_siwessid(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_point *data, char *ssid)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ return cfg80211_ibss_wext_siwessid(dev, info, data, ssid);
+ case NL80211_IFTYPE_STATION:
+ return cfg80211_mgd_wext_siwessid(dev, info, data, ssid);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_siwessid);
+
+int cfg80211_wext_giwessid(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_point *data, char *ssid)
+{
+ struct wireless_dev *wdev = dev->ieee80211_ptr;
+
+ switch (wdev->iftype) {
+ case NL80211_IFTYPE_ADHOC:
+ return cfg80211_ibss_wext_giwessid(dev, info, data, ssid);
+ case NL80211_IFTYPE_STATION:
+ return cfg80211_mgd_wext_giwessid(dev, info, data, ssid);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+EXPORT_SYMBOL_GPL(cfg80211_wext_giwessid);
+
+static const iw_handler cfg80211_handlers[] = {
+ [IW_IOCTL_IDX(SIOCGIWNAME)] = (iw_handler) cfg80211_wext_giwname,
+ [IW_IOCTL_IDX(SIOCSIWFREQ)] = (iw_handler) cfg80211_wext_siwfreq,
+ [IW_IOCTL_IDX(SIOCGIWFREQ)] = (iw_handler) cfg80211_wext_giwfreq,
+ [IW_IOCTL_IDX(SIOCSIWMODE)] = (iw_handler) cfg80211_wext_siwmode,
+ [IW_IOCTL_IDX(SIOCGIWMODE)] = (iw_handler) cfg80211_wext_giwmode,
+ [IW_IOCTL_IDX(SIOCGIWRANGE)] = (iw_handler) cfg80211_wext_giwrange,
+ [IW_IOCTL_IDX(SIOCSIWAP)] = (iw_handler) cfg80211_wext_siwap,
+ [IW_IOCTL_IDX(SIOCGIWAP)] = (iw_handler) cfg80211_wext_giwap,
+ [IW_IOCTL_IDX(SIOCSIWMLME)] = (iw_handler) cfg80211_wext_siwmlme,
+ [IW_IOCTL_IDX(SIOCSIWSCAN)] = (iw_handler) cfg80211_wext_siwscan,
+ [IW_IOCTL_IDX(SIOCGIWSCAN)] = (iw_handler) cfg80211_wext_giwscan,
+ [IW_IOCTL_IDX(SIOCSIWESSID)] = (iw_handler) cfg80211_wext_siwessid,
+ [IW_IOCTL_IDX(SIOCGIWESSID)] = (iw_handler) cfg80211_wext_giwessid,
+ [IW_IOCTL_IDX(SIOCSIWRATE)] = (iw_handler) cfg80211_wext_siwrate,
+ [IW_IOCTL_IDX(SIOCGIWRATE)] = (iw_handler) cfg80211_wext_giwrate,
+ [IW_IOCTL_IDX(SIOCSIWRTS)] = (iw_handler) cfg80211_wext_siwrts,
+ [IW_IOCTL_IDX(SIOCGIWRTS)] = (iw_handler) cfg80211_wext_giwrts,
+ [IW_IOCTL_IDX(SIOCSIWFRAG)] = (iw_handler) cfg80211_wext_siwfrag,
+ [IW_IOCTL_IDX(SIOCGIWFRAG)] = (iw_handler) cfg80211_wext_giwfrag,
+ [IW_IOCTL_IDX(SIOCSIWTXPOW)] = (iw_handler) cfg80211_wext_siwtxpower,
+ [IW_IOCTL_IDX(SIOCGIWTXPOW)] = (iw_handler) cfg80211_wext_giwtxpower,
+ [IW_IOCTL_IDX(SIOCSIWRETRY)] = (iw_handler) cfg80211_wext_siwretry,
+ [IW_IOCTL_IDX(SIOCGIWRETRY)] = (iw_handler) cfg80211_wext_giwretry,
+ [IW_IOCTL_IDX(SIOCSIWENCODE)] = (iw_handler) cfg80211_wext_siwencode,
+ [IW_IOCTL_IDX(SIOCGIWENCODE)] = (iw_handler) cfg80211_wext_giwencode,
+ [IW_IOCTL_IDX(SIOCSIWPOWER)] = (iw_handler) cfg80211_wext_siwpower,
+ [IW_IOCTL_IDX(SIOCGIWPOWER)] = (iw_handler) cfg80211_wext_giwpower,
+ [IW_IOCTL_IDX(SIOCSIWGENIE)] = (iw_handler) cfg80211_wext_siwgenie,
+ [IW_IOCTL_IDX(SIOCSIWAUTH)] = (iw_handler) cfg80211_wext_siwauth,
+ [IW_IOCTL_IDX(SIOCGIWAUTH)] = (iw_handler) cfg80211_wext_giwauth,
+ [IW_IOCTL_IDX(SIOCSIWENCODEEXT)]= (iw_handler) cfg80211_wext_siwencodeext,
+};
+
+const struct iw_handler_def cfg80211_wext_handler = {
+ .num_standard = ARRAY_SIZE(cfg80211_handlers),
+ .standard = cfg80211_handlers,
+ .get_wireless_stats = cfg80211_wireless_stats,
+};
diff --git a/net/wireless/wext-compat.h b/net/wireless/wext-compat.h
new file mode 100644
index 00000000000..9a377474958
--- /dev/null
+++ b/net/wireless/wext-compat.h
@@ -0,0 +1,50 @@
+#ifndef __WEXT_COMPAT
+#define __WEXT_COMPAT
+
+#include <net/iw_handler.h>
+#include <linux/wireless.h>
+
+int cfg80211_ibss_wext_siwfreq(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_freq *freq, char *extra);
+int cfg80211_ibss_wext_giwfreq(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_freq *freq, char *extra);
+int cfg80211_ibss_wext_siwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *ap_addr, char *extra);
+int cfg80211_ibss_wext_giwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *ap_addr, char *extra);
+int cfg80211_ibss_wext_siwessid(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_point *data, char *ssid);
+int cfg80211_ibss_wext_giwessid(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_point *data, char *ssid);
+
+int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_freq *freq, char *extra);
+int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_freq *freq, char *extra);
+int cfg80211_mgd_wext_siwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *ap_addr, char *extra);
+int cfg80211_mgd_wext_giwap(struct net_device *dev,
+ struct iw_request_info *info,
+ struct sockaddr *ap_addr, char *extra);
+int cfg80211_mgd_wext_siwessid(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_point *data, char *ssid);
+int cfg80211_mgd_wext_giwessid(struct net_device *dev,
+ struct iw_request_info *info,
+ struct iw_point *data, char *ssid);
+
+struct ieee80211_channel *cfg80211_wext_freq(struct wiphy *wiphy,
+ struct iw_freq *freq);
+
+
+extern const struct iw_handler_def cfg80211_wext_handler;
+#endif /* __WEXT_COMPAT */
diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c
index 4c689fd865b..7bacbd1c2af 100644
--- a/net/wireless/wext-sme.c
+++ b/net/wireless/wext-sme.c
@@ -8,6 +8,7 @@
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <net/cfg80211.h>
+#include "wext-compat.h"
#include "nl80211.h"
int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
@@ -108,8 +109,6 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
cfg80211_unlock_rdev(rdev);
return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwfreq);
int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
struct iw_request_info *info,
@@ -138,8 +137,6 @@ int cfg80211_mgd_wext_giwfreq(struct net_device *dev,
/* no channel if not joining */
return -EINVAL;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwfreq);
int cfg80211_mgd_wext_siwessid(struct net_device *dev,
struct iw_request_info *info,
@@ -195,8 +192,6 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwessid);
int cfg80211_mgd_wext_giwessid(struct net_device *dev,
struct iw_request_info *info,
@@ -221,8 +216,6 @@ int cfg80211_mgd_wext_giwessid(struct net_device *dev,
return 0;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwessid);
int cfg80211_mgd_wext_siwap(struct net_device *dev,
struct iw_request_info *info,
@@ -276,8 +269,6 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
cfg80211_unlock_rdev(wiphy_to_dev(wdev->wiphy));
return err;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_siwap);
int cfg80211_mgd_wext_giwap(struct net_device *dev,
struct iw_request_info *info,
@@ -302,8 +293,6 @@ int cfg80211_mgd_wext_giwap(struct net_device *dev,
return 0;
}
-/* temporary symbol - mark GPL - in the future the handler won't be */
-EXPORT_SYMBOL_GPL(cfg80211_mgd_wext_giwap);
int cfg80211_wext_siwgenie(struct net_device *dev,
struct iw_request_info *info,