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path: root/drivers/net/wireless/iwlwifi
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Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c23
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c39
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c17
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-sta.c33
5 files changed, 62 insertions, 51 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index cd1bff59049..e10e0ca09ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -1133,8 +1133,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
s32 rate;
s8 is_green = lq_sta->is_green;
- if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
- !sta->ht_cap.ht_supported)
+ if (!conf->ht.enabled || !sta->ht_cap.ht_supported)
return -1;
if (((sta->ht_cap.cap & IEEE80211_HT_CAP_SM_PS) >> 2)
@@ -1201,8 +1200,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
u8 is_green = lq_sta->is_green;
s32 rate;
- if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) ||
- !sta->ht_cap.ht_supported)
+ if (!conf->ht.enabled || !sta->ht_cap.ht_supported)
return -1;
IWL_DEBUG_RATE("LQ: try to switch to SISO\n");
@@ -2001,9 +1999,8 @@ lq_update:
* stay with best antenna legacy modulation for a while
* before next round of mode comparisons. */
tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]);
- if (is_legacy(tbl1->lq_type) &&
- (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)) &&
- (lq_sta->action_counter >= 1)) {
+ if (is_legacy(tbl1->lq_type) && !conf->ht.enabled &&
+ lq_sta->action_counter >= 1) {
lq_sta->action_counter = 0;
IWL_DEBUG_RATE("LQ: STAY in legacy table\n");
rs_set_stay_in_table(priv, 1, lq_sta);
@@ -2238,19 +2235,19 @@ static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband,
* active_siso_rate mask includes 9 MBits (bit 5), and CCK (bits 0-3),
* supp_rates[] does not; shift to convert format, force 9 MBits off.
*/
- lq_sta->active_siso_rate = conf->ht_cap.mcs.rx_mask[0] << 1;
- lq_sta->active_siso_rate |= conf->ht_cap.mcs.rx_mask[0] & 0x1;
+ lq_sta->active_siso_rate = sta->ht_cap.mcs.rx_mask[0] << 1;
+ lq_sta->active_siso_rate |= sta->ht_cap.mcs.rx_mask[0] & 0x1;
lq_sta->active_siso_rate &= ~((u16)0x2);
lq_sta->active_siso_rate <<= IWL_FIRST_OFDM_RATE;
/* Same here */
- lq_sta->active_mimo2_rate = conf->ht_cap.mcs.rx_mask[1] << 1;
- lq_sta->active_mimo2_rate |= conf->ht_cap.mcs.rx_mask[1] & 0x1;
+ lq_sta->active_mimo2_rate = sta->ht_cap.mcs.rx_mask[1] << 1;
+ lq_sta->active_mimo2_rate |= sta->ht_cap.mcs.rx_mask[1] & 0x1;
lq_sta->active_mimo2_rate &= ~((u16)0x2);
lq_sta->active_mimo2_rate <<= IWL_FIRST_OFDM_RATE;
- lq_sta->active_mimo3_rate = conf->ht_cap.mcs.rx_mask[2] << 1;
- lq_sta->active_mimo3_rate |= conf->ht_cap.mcs.rx_mask[2] & 0x1;
+ lq_sta->active_mimo3_rate = sta->ht_cap.mcs.rx_mask[2] << 1;
+ lq_sta->active_mimo3_rate |= sta->ht_cap.mcs.rx_mask[2] & 0x1;
lq_sta->active_mimo3_rate &= ~((u16)0x2);
lq_sta->active_mimo3_rate <<= IWL_FIRST_OFDM_RATE;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 79a24410dd0..7c3eb3d8f7e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -552,17 +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_sta_ht_cap *ht_conf = bss_conf->ht_cap;
- 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)
@@ -574,8 +587,8 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
iwl_conf->supported_chan_width =
!!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
- iwl_conf->extension_chan_offset =
- ht_bss_conf->bss_cap & IEEE80211_HT_PARAM_CHA_SEC_OFFSET;
+
+ 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_PARAM_CHA_SEC_ABOVE &&
iwl_conf->extension_chan_offset != IEEE80211_HT_PARAM_CHA_SEC_BELOW) {
@@ -587,15 +600,14 @@ static void iwl4965_ht_conf(struct iwl_priv *priv,
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_PARAM_CHAN_WIDTH_ANY);
+ iwl_conf->tx_chan_width = bss_conf->ht.width_40_ok;
iwl_conf->ht_protection =
- ht_bss_conf->bss_op_mode & IEEE80211_HT_OP_MODE_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_OP_MODE_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");
}
@@ -2746,6 +2758,8 @@ static int iwl4965_mac_config(struct ieee80211_hw *hw, u32 changed)
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;
@@ -3104,7 +3118,6 @@ 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);
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 4678da447ff..10f5a0a233f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -637,8 +637,8 @@ u8 iwl_is_fat_tx_allowed(struct iwl_priv *priv,
}
return iwl_is_channel_extension(priv, priv->band,
- iwl_ht_conf->control_channel,
- iwl_ht_conf->extension_chan_offset);
+ le16_to_cpu(priv->staging_rxon.channel),
+ iwl_ht_conf->extension_chan_offset);
}
EXPORT_SYMBOL(iwl_is_fat_tx_allowed);
@@ -663,13 +663,6 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MIXED_MSK |
RXON_FLG_CHANNEL_MODE_PURE_40_MSK);
- if (le16_to_cpu(rxon->channel) != ht_info->control_channel) {
- IWL_DEBUG_ASSOC("control diff than current %d %d\n",
- le16_to_cpu(rxon->channel),
- ht_info->control_channel);
- return;
- }
-
/* Note: control channel is opposite of extension channel */
switch (ht_info->extension_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
@@ -692,14 +685,12 @@ void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_info *ht_info)
IWL_DEBUG_ASSOC("supported HT rate 0x%X 0x%X 0x%X "
"rxon flags 0x%X operation mode :0x%X "
- "extension channel offset 0x%x "
- "control chan %d\n",
+ "extension channel offset 0x%x\n",
ht_info->mcs.rx_mask[0],
ht_info->mcs.rx_mask[1],
ht_info->mcs.rx_mask[2],
le32_to_cpu(rxon->flags), ht_info->ht_protection,
- ht_info->extension_chan_offset,
- ht_info->control_channel);
+ ht_info->extension_chan_offset);
return;
}
EXPORT_SYMBOL(iwl_set_rxon_ht);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 572250ee9d5..2e951493397 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -413,7 +413,6 @@ struct iwl_ht_info {
u8 mpdu_density;
struct ieee80211_mcs_info mcs;
/* BSS related data */
- u8 control_channel;
u8 extension_chan_offset;
u8 tx_chan_width;
u8 ht_protection;
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index b9b8554433a..218483d096c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -890,20 +890,31 @@ static void iwl_sta_init_lq(struct iwl_priv *priv, const u8 *addr, int is_ap)
*/
int iwl_rxon_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
{
+ struct ieee80211_sta *sta;
+ struct ieee80211_sta_ht_cap ht_config;
+ struct ieee80211_sta_ht_cap *cur_ht_config = NULL;
u8 sta_id;
/* Add station to device's station table */
- struct ieee80211_conf *conf = &priv->hw->conf;
- struct ieee80211_sta_ht_cap *cur_ht_config = &conf->ht_cap;
-
- if ((is_ap) &&
- (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) &&
- (priv->iw_mode == NL80211_IFTYPE_STATION))
- sta_id = iwl_add_station_flags(priv, addr, is_ap,
- 0, cur_ht_config);
- else
- sta_id = iwl_add_station_flags(priv, addr, is_ap,
- 0, NULL);
+
+ /*
+ * XXX: This check is definitely not correct, if we're an AP
+ * it'll always be false which is not what we want, but
+ * it doesn't look like iwlagn is prepared to be an HT
+ * AP anyway.
+ */
+ if (priv->current_ht_config.is_ht) {
+ rcu_read_lock();
+ sta = ieee80211_find_sta(priv->hw, addr);
+ if (sta) {
+ memcpy(&ht_config, &sta->ht_cap, sizeof(ht_config));
+ cur_ht_config = &ht_config;
+ }
+ rcu_read_unlock();
+ }
+
+ sta_id = iwl_add_station_flags(priv, addr, is_ap,
+ 0, cur_ht_config);
/* Set up default rate scaling table in device's station table */
iwl_sta_init_lq(priv, addr, is_ap);