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path: root/drivers/net/wireless/iwlwifi/iwl-agn.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c172
1 files changed, 77 insertions, 95 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8d690a0eb1a..2c35a017e5f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -239,7 +239,6 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv)
{
/* cast away the const for active_rxon in this function */
struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
- DECLARE_MAC_BUF(mac);
int ret;
bool new_assoc =
!!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
@@ -300,10 +299,10 @@ static int iwl4965_commit_rxon(struct iwl_priv *priv)
IWL_DEBUG_INFO("Sending RXON\n"
"* with%s RXON_FILTER_ASSOC_MSK\n"
"* channel = %d\n"
- "* bssid = %s\n",
+ "* bssid = %pM\n",
(new_assoc ? "" : "out"),
le16_to_cpu(priv->staging_rxon.channel),
- print_mac(mac, priv->staging_rxon.bssid_addr));
+ priv->staging_rxon.bssid_addr);
iwl4965_set_rxon_hwcrypto(priv, !priv->hw_params.sw_crypto);
@@ -553,17 +552,30 @@ static int iwl4965_send_beacon_cmd(struct iwl_priv *priv)
static void iwl4965_ht_conf(struct iwl_priv *priv,
struct ieee80211_bss_conf *bss_conf)
{
- struct ieee80211_ht_info *ht_conf = bss_conf->ht_conf;
- struct ieee80211_ht_bss_info *ht_bss_conf = bss_conf->ht_bss_conf;
+ struct ieee80211_sta_ht_cap *ht_conf;
struct iwl_ht_info *iwl_conf = &priv->current_ht_config;
+ struct ieee80211_sta *sta;
IWL_DEBUG_MAC80211("enter: \n");
- iwl_conf->is_ht = bss_conf->assoc_ht;
-
if (!iwl_conf->is_ht)
return;
+
+ /*
+ * It is totally wrong to base global information on something
+ * that is valid only when associated, alas, this driver works
+ * that way and I don't know how to fix it.
+ */
+
+ rcu_read_lock();
+ sta = ieee80211_find_sta(priv->hw, priv->bssid);
+ if (!sta) {
+ rcu_read_unlock();
+ return;
+ }
+ ht_conf = &sta->ht_cap;
+
if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
iwl_conf->sgf |= HT_SHORT_GI_20MHZ;
if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
@@ -574,29 +586,28 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
!!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU);
iwl_conf->supported_chan_width =
- !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH);
- iwl_conf->extension_chan_offset =
- ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET;
+ !!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
+
+ iwl_conf->extension_chan_offset = bss_conf->ht.secondary_channel_offset;
/* If no above or below channel supplied disable FAT channel */
- if (iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_ABOVE &&
- iwl_conf->extension_chan_offset != IEEE80211_HT_IE_CHA_SEC_BELOW) {
- iwl_conf->extension_chan_offset = IEEE80211_HT_IE_CHA_SEC_NONE;
+ if (iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_ABOVE &&
+ iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW) {
+ iwl_conf->extension_chan_offset = IEEE80211_HT_PARAM_CHA_SEC_NONE;
iwl_conf->supported_chan_width = 0;
}
iwl_conf->sm_ps = (u8)((ht_conf->cap & IEEE80211_HT_CAP_SM_PS) >> 2);
- memcpy(iwl_conf->supp_mcs_set, ht_conf->supp_mcs_set, 16);
+ memcpy(&iwl_conf->mcs, &ht_conf->mcs, 16);
- iwl_conf->control_channel = ht_bss_conf->primary_channel;
- iwl_conf->tx_chan_width =
- !!(ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_WIDTH);
+ iwl_conf->tx_chan_width = bss_conf->ht.width_40_ok;
iwl_conf->ht_protection =
- ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_HT_PROTECTION;
+ bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
iwl_conf->non_GF_STA_present =
- !!(ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_NON_GF_STA_PRSNT);
+ !!(bss_conf->ht.operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
+
+ rcu_read_unlock();
- IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf->control_channel);
IWL_DEBUG_MAC80211("leave\n");
}
@@ -637,23 +648,22 @@ static void iwl_activate_qos(struct iwl_priv *priv, u8 force)
#define MAX_UCODE_BEACON_INTERVAL 4096
-static __le16 iwl4965_adjust_beacon_interval(u16 beacon_val)
+static u16 iwl_adjust_beacon_interval(u16 beacon_val)
{
u16 new_val = 0;
u16 beacon_factor = 0;
- beacon_factor =
- (beacon_val + MAX_UCODE_BEACON_INTERVAL)
- / MAX_UCODE_BEACON_INTERVAL;
+ beacon_factor = (beacon_val + MAX_UCODE_BEACON_INTERVAL)
+ / MAX_UCODE_BEACON_INTERVAL;
new_val = beacon_val / beacon_factor;
- return cpu_to_le16(new_val);
+ return new_val;
}
-static void iwl4965_setup_rxon_timing(struct iwl_priv *priv)
+static void iwl_setup_rxon_timing(struct iwl_priv *priv)
{
- u64 interval_tm_unit;
- u64 tsf, result;
+ u64 tsf;
+ s32 interval_tm, rem;
unsigned long flags;
struct ieee80211_conf *conf = NULL;
u16 beacon_int = 0;
@@ -661,49 +671,32 @@ static void iwl4965_setup_rxon_timing(struct iwl_priv *priv)
conf = ieee80211_get_hw_conf(priv->hw);
spin_lock_irqsave(&priv->lock, flags);
- priv->rxon_timing.timestamp.dw[1] = cpu_to_le32(priv->timestamp >> 32);
- priv->rxon_timing.timestamp.dw[0] =
- cpu_to_le32(priv->timestamp & 0xFFFFFFFF);
-
+ priv->rxon_timing.timestamp = cpu_to_le64(priv->timestamp);
priv->rxon_timing.listen_interval = cpu_to_le16(conf->listen_interval);
- tsf = priv->timestamp;
-
- beacon_int = priv->beacon_int;
- spin_unlock_irqrestore(&priv->lock, flags);
-
if (priv->iw_mode == NL80211_IFTYPE_STATION) {
- if (beacon_int == 0) {
- priv->rxon_timing.beacon_interval = cpu_to_le16(100);
- priv->rxon_timing.beacon_init_val = cpu_to_le32(102400);
- } else {
- priv->rxon_timing.beacon_interval =
- cpu_to_le16(beacon_int);
- priv->rxon_timing.beacon_interval =
- iwl4965_adjust_beacon_interval(
- le16_to_cpu(priv->rxon_timing.beacon_interval));
- }
-
+ beacon_int = iwl_adjust_beacon_interval(priv->beacon_int);
priv->rxon_timing.atim_window = 0;
} else {
- priv->rxon_timing.beacon_interval =
- iwl4965_adjust_beacon_interval(conf->beacon_int);
+ beacon_int = iwl_adjust_beacon_interval(conf->beacon_int);
+
/* TODO: we need to get atim_window from upper stack
* for now we set to 0 */
priv->rxon_timing.atim_window = 0;
}
- interval_tm_unit =
- (le16_to_cpu(priv->rxon_timing.beacon_interval) * 1024);
- result = do_div(tsf, interval_tm_unit);
- priv->rxon_timing.beacon_init_val =
- cpu_to_le32((u32) ((u64) interval_tm_unit - result));
+ priv->rxon_timing.beacon_interval = cpu_to_le16(beacon_int);
+
+ tsf = priv->timestamp; /* tsf is modifed by do_div: copy it */
+ interval_tm = beacon_int * 1024;
+ rem = do_div(tsf, interval_tm);
+ priv->rxon_timing.beacon_init_val = cpu_to_le32(interval_tm - rem);
- IWL_DEBUG_ASSOC
- ("beacon interval %d beacon timer %d beacon tim %d\n",
- le16_to_cpu(priv->rxon_timing.beacon_interval),
- le32_to_cpu(priv->rxon_timing.beacon_init_val),
- le16_to_cpu(priv->rxon_timing.atim_window));
+ spin_unlock_irqrestore(&priv->lock, flags);
+ IWL_DEBUG_ASSOC("beacon interval %d beacon timer %d beacon tim %d\n",
+ le16_to_cpu(priv->rxon_timing.beacon_interval),
+ le32_to_cpu(priv->rxon_timing.beacon_init_val),
+ le16_to_cpu(priv->rxon_timing.atim_window));
}
static void iwl_set_flags_for_band(struct iwl_priv *priv,
@@ -1398,6 +1391,7 @@ void iwl_rx_handle(struct iwl_priv *priv)
reclaim = !(pkt->hdr.sequence & SEQ_RX_FRAME) &&
(pkt->hdr.cmd != REPLY_RX_PHY_CMD) &&
(pkt->hdr.cmd != REPLY_RX) &&
+ (pkt->hdr.cmd != REPLY_RX_MPDU_CMD) &&
(pkt->hdr.cmd != REPLY_COMPRESSED_BA) &&
(pkt->hdr.cmd != STATISTICS_NOTIFICATION) &&
(pkt->hdr.cmd != REPLY_TX);
@@ -1464,7 +1458,6 @@ void iwl_rx_handle(struct iwl_priv *priv)
static void iwl4965_print_rx_config_cmd(struct iwl_priv *priv)
{
struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
- DECLARE_MAC_BUF(mac);
IWL_DEBUG_RADIO("RX CONFIG:\n");
iwl_print_hex_dump(priv, IWL_DL_RADIO, (u8 *) rxon, sizeof(*rxon));
@@ -1476,10 +1469,8 @@ static void iwl4965_print_rx_config_cmd(struct iwl_priv *priv)
IWL_DEBUG_RADIO("u8 ofdm_basic_rates: 0x%02x\n",
rxon->ofdm_basic_rates);
IWL_DEBUG_RADIO("u8 cck_basic_rates: 0x%02x\n", rxon->cck_basic_rates);
- IWL_DEBUG_RADIO("u8[6] node_addr: %s\n",
- print_mac(mac, rxon->node_addr));
- IWL_DEBUG_RADIO("u8[6] bssid_addr: %s\n",
- print_mac(mac, rxon->bssid_addr));
+ IWL_DEBUG_RADIO("u8[6] node_addr: %pM\n", rxon->node_addr);
+ IWL_DEBUG_RADIO("u8[6] bssid_addr: %pM\n", rxon->bssid_addr);
IWL_DEBUG_RADIO("u16 assoc_id: 0x%x\n", le16_to_cpu(rxon->assoc_id));
}
#endif
@@ -1494,7 +1485,7 @@ static void iwl4965_enable_interrupts(struct iwl_priv *priv)
/* call this function to flush any scheduled tasklet */
static inline void iwl_synchronize_irq(struct iwl_priv *priv)
{
- /* wait to make sure we flush pedding tasklet*/
+ /* wait to make sure we flush pending tasklet*/
synchronize_irq(priv->pci_dev->irq);
tasklet_kill(&priv->irq_tasklet);
}
@@ -2466,7 +2457,6 @@ static void iwl4965_post_associate(struct iwl_priv *priv)
{
struct ieee80211_conf *conf = NULL;
int ret = 0;
- DECLARE_MAC_BUF(mac);
unsigned long flags;
if (priv->iw_mode == NL80211_IFTYPE_AP) {
@@ -2474,9 +2464,8 @@ static void iwl4965_post_associate(struct iwl_priv *priv)
return;
}
- IWL_DEBUG_ASSOC("Associated as %d to: %s\n",
- priv->assoc_id,
- print_mac(mac, priv->active_rxon.bssid_addr));
+ IWL_DEBUG_ASSOC("Associated as %d to: %pM\n",
+ priv->assoc_id, priv->active_rxon.bssid_addr);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
@@ -2494,8 +2483,7 @@ static void iwl4965_post_associate(struct iwl_priv *priv)
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwl4965_commit_rxon(priv);
- memset(&priv->rxon_timing, 0, sizeof(struct iwl4965_rxon_time_cmd));
- iwl4965_setup_rxon_timing(priv);
+ iwl_setup_rxon_timing(priv);
ret = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
sizeof(priv->rxon_timing), &priv->rxon_timing);
if (ret)
@@ -2722,7 +2710,6 @@ static int iwl4965_mac_add_interface(struct ieee80211_hw *hw,
{
struct iwl_priv *priv = hw->priv;
unsigned long flags;
- DECLARE_MAC_BUF(mac);
IWL_DEBUG_MAC80211("enter: type %d\n", conf->type);
@@ -2739,7 +2726,7 @@ static int iwl4965_mac_add_interface(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
if (conf->mac_addr) {
- IWL_DEBUG_MAC80211("Set %s\n", print_mac(mac, conf->mac_addr));
+ IWL_DEBUG_MAC80211("Set %pM\n", conf->mac_addr);
memcpy(priv->mac_addr, conf->mac_addr, ETH_ALEN);
}
@@ -2760,10 +2747,11 @@ static int iwl4965_mac_add_interface(struct ieee80211_hw *hw,
* be set inappropriately and the driver currently sets the hardware up to
* use it whenever needed.
*/
-static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
+static int iwl4965_mac_config(struct ieee80211_hw *hw, u32 changed)
{
struct iwl_priv *priv = hw->priv;
const struct iwl_channel_info *ch_info;
+ struct ieee80211_conf *conf = &hw->conf;
unsigned long flags;
int ret = 0;
u16 channel;
@@ -2771,6 +2759,8 @@ static int iwl4965_mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *co
mutex_lock(&priv->mutex);
IWL_DEBUG_MAC80211("enter to channel %d\n", conf->channel->hw_value);
+ priv->current_ht_config.is_ht = conf->ht.enabled;
+
if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) {
IWL_DEBUG_MAC80211("leave - RF-KILL - waiting for uCode\n");
goto out;
@@ -2886,15 +2876,14 @@ static void iwl4965_config_ap(struct iwl_priv *priv)
return;
/* The following should be done only at AP bring up */
- if (!(iwl_is_associated(priv))) {
+ if (!iwl_is_associated(priv)) {
/* RXON - unassoc (to set timing command) */
priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
iwl4965_commit_rxon(priv);
/* RXON Timing */
- memset(&priv->rxon_timing, 0, sizeof(struct iwl4965_rxon_time_cmd));
- iwl4965_setup_rxon_timing(priv);
+ iwl_setup_rxon_timing(priv);
ret = iwl_send_cmd_pdu(priv, REPLY_RXON_TIMING,
sizeof(priv->rxon_timing), &priv->rxon_timing);
if (ret)
@@ -2948,7 +2937,6 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw,
struct ieee80211_if_conf *conf)
{
struct iwl_priv *priv = hw->priv;
- DECLARE_MAC_BUF(mac);
unsigned long flags;
int rc;
@@ -2983,8 +2971,7 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
if (conf->bssid)
- IWL_DEBUG_MAC80211("bssid: %s\n",
- print_mac(mac, conf->bssid));
+ IWL_DEBUG_MAC80211("bssid: %pM\n", conf->bssid);
/*
* very dubious code was here; the probe filtering flag is never set:
@@ -2997,8 +2984,8 @@ static int iwl4965_mac_config_interface(struct ieee80211_hw *hw,
if (!conf->bssid) {
conf->bssid = priv->mac_addr;
memcpy(priv->bssid, priv->mac_addr, ETH_ALEN);
- IWL_DEBUG_MAC80211("bssid was set to: %s\n",
- print_mac(mac, conf->bssid));
+ IWL_DEBUG_MAC80211("bssid was set to: %pM\n",
+ conf->bssid);
}
if (priv->ibss_beacon)
dev_kfree_skb(priv->ibss_beacon);
@@ -3132,7 +3119,6 @@ static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
}
if (changes & BSS_CHANGED_HT) {
- IWL_DEBUG_MAC80211("HT %d\n", bss_conf->assoc_ht);
iwl4965_ht_conf(priv, bss_conf);
iwl_set_rxon_chain(priv);
}
@@ -3241,14 +3227,13 @@ static void iwl4965_mac_update_tkip_key(struct ieee80211_hw *hw,
unsigned long flags;
__le16 key_flags = 0;
int i;
- DECLARE_MAC_BUF(mac);
IWL_DEBUG_MAC80211("enter\n");
sta_id = iwl_find_station(priv, addr);
if (sta_id == IWL_INVALID_STATION) {
- IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
- print_mac(mac, addr));
+ IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
+ addr);
return;
}
@@ -3289,7 +3274,6 @@ static int iwl4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_key_conf *key)
{
struct iwl_priv *priv = hw->priv;
- DECLARE_MAC_BUF(mac);
int ret = 0;
u8 sta_id = IWL_INVALID_STATION;
u8 is_default_wep_key = 0;
@@ -3307,8 +3291,8 @@ static int iwl4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
sta_id = iwl_find_station(priv, addr);
if (sta_id == IWL_INVALID_STATION) {
- IWL_DEBUG_MAC80211("leave - %s not in station map.\n",
- print_mac(mac, addr));
+ IWL_DEBUG_MAC80211("leave - %pM not in station map.\n",
+ addr);
return -EINVAL;
}
@@ -3409,10 +3393,9 @@ static int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{
struct iwl_priv *priv = hw->priv;
- DECLARE_MAC_BUF(mac);
- IWL_DEBUG_HT("A-MPDU action on addr %s tid %d\n",
- print_mac(mac, sta->addr), tid);
+ IWL_DEBUG_HT("A-MPDU action on addr %pM tid %d\n",
+ sta->addr, tid);
if (!(priv->cfg->sku & IWL_SKU_N))
return -EACCES;
@@ -4175,7 +4158,6 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
struct ieee80211_hw *hw;
struct iwl_cfg *cfg = (struct iwl_cfg *)(ent->driver_data);
unsigned long flags;
- DECLARE_MAC_BUF(mac);
/************************
* 1. Allocating HW data
@@ -4284,7 +4266,7 @@ static int iwl4965_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e
/* extract MAC Address */
iwl_eeprom_get_mac(priv, priv->mac_addr);
- IWL_DEBUG_INFO("MAC address: %s\n", print_mac(mac, priv->mac_addr));
+ IWL_DEBUG_INFO("MAC address: %pM\n", priv->mac_addr);
SET_IEEE80211_PERM_ADDR(priv->hw, priv->mac_addr);
/************************