summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c66
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c26
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c113
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h7
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h14
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-sta.c23
6 files changed, 134 insertions, 115 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index e78f3f0592d..57629fba3a7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -602,11 +602,13 @@ static int rs_toggle_antenna(u32 valid_ant, u32 *rate_n_flags,
* Green-field mode is valid if the station supports it and
* there are no non-GF stations present in the BSS.
*/
-static inline u8 rs_use_green(struct ieee80211_sta *sta,
- struct iwl_ht_config *ht_conf)
+static bool rs_use_green(struct ieee80211_sta *sta)
{
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
+
return (sta->ht_cap.cap & IEEE80211_HT_CAP_GRN_FLD) &&
- !(ht_conf->non_GF_STA_present);
+ !(ctx->ht.non_gf_sta_present);
}
/**
@@ -758,8 +760,8 @@ static bool table_type_matches(struct iwl_scale_tbl_info *a,
(a->is_SGI == b->is_SGI);
}
-static void rs_bt_update_lq(struct iwl_priv *priv,
- struct iwl_lq_sta *lq_sta)
+static void rs_bt_update_lq(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
+ struct iwl_lq_sta *lq_sta)
{
struct iwl_scale_tbl_info *tbl;
bool full_concurrent;
@@ -778,7 +780,7 @@ static void rs_bt_update_lq(struct iwl_priv *priv,
/* Update uCode's rate table. */
tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
rs_fill_link_cmd(priv, lq_sta, tbl->current_rate);
- iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC, false);
+ iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
queue_work(priv->workqueue, &priv->bt_full_concurrency);
}
@@ -803,6 +805,8 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
u32 tx_rate;
struct iwl_scale_tbl_info tbl_type;
struct iwl_scale_tbl_info *curr_tbl, *other_tbl, *tmp_tbl;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
IWL_DEBUG_RATE_LIMIT(priv, "get frame ack response, update rate scale window\n");
@@ -869,7 +873,7 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
lq_sta->missed_rate_counter++;
if (lq_sta->missed_rate_counter > IWL_MISSED_RATE_MAX) {
lq_sta->missed_rate_counter = 0;
- iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC, false);
+ iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
}
/* Regardless, ignore this status info for outdated rate */
return;
@@ -969,7 +973,7 @@ done:
/* Is there a need to switch between full concurrency and 3-wire? */
if (priv->bt_ant_couple_ok)
- rs_bt_update_lq(priv, lq_sta);
+ rs_bt_update_lq(priv, ctx, lq_sta);
}
/*
@@ -1163,6 +1167,8 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
u16 rate_mask;
s32 rate;
s8 is_green = lq_sta->is_green;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
@@ -1183,7 +1189,7 @@ static int rs_switch_to_mimo2(struct iwl_priv *priv,
tbl->max_search = IWL_MAX_SEARCH;
rate_mask = lq_sta->active_mimo2_rate;
- if (iwl_is_ht40_tx_allowed(priv, &sta->ht_cap))
+ if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
tbl->is_ht40 = 1;
else
tbl->is_ht40 = 0;
@@ -1217,6 +1223,8 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv,
u16 rate_mask;
s32 rate;
s8 is_green = lq_sta->is_green;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
@@ -1237,7 +1245,7 @@ static int rs_switch_to_mimo3(struct iwl_priv *priv,
tbl->max_search = IWL_MAX_11N_MIMO3_SEARCH;
rate_mask = lq_sta->active_mimo3_rate;
- if (iwl_is_ht40_tx_allowed(priv, &sta->ht_cap))
+ if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
tbl->is_ht40 = 1;
else
tbl->is_ht40 = 0;
@@ -1272,6 +1280,8 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
u16 rate_mask;
u8 is_green = lq_sta->is_green;
s32 rate;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
if (!conf_is_ht(conf) || !sta->ht_cap.ht_supported)
return -1;
@@ -1284,7 +1294,7 @@ static int rs_switch_to_siso(struct iwl_priv *priv,
tbl->max_search = IWL_MAX_SEARCH;
rate_mask = lq_sta->active_siso_rate;
- if (iwl_is_ht40_tx_allowed(priv, &sta->ht_cap))
+ if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
tbl->is_ht40 = 1;
else
tbl->is_ht40 = 0;
@@ -2086,6 +2096,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
* return rate_n_flags as used in the table
*/
static u32 rs_update_rate_tbl(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
struct iwl_lq_sta *lq_sta,
struct iwl_scale_tbl_info *tbl,
int index, u8 is_green)
@@ -2095,7 +2106,7 @@ static u32 rs_update_rate_tbl(struct iwl_priv *priv,
/* Update uCode's rate table. */
rate = rate_n_flags_from_tbl(priv, tbl, index, is_green);
rs_fill_link_cmd(priv, lq_sta, rate);
- iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC, false);
+ iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
return rate;
}
@@ -2134,6 +2145,8 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
s32 sr;
u8 tid = MAX_TID_COUNT;
struct iwl_tid_data *tid_data;
+ struct iwl_station_priv *sta_priv = (void *)sta->drv_priv;
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
IWL_DEBUG_RATE(priv, "rate scale calculate new rate for skb\n");
@@ -2172,7 +2185,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
if (is_legacy(tbl->lq_type))
lq_sta->is_green = 0;
else
- lq_sta->is_green = rs_use_green(sta, &priv->current_ht_config);
+ lq_sta->is_green = rs_use_green(sta);
is_green = lq_sta->is_green;
/* current tx rate */
@@ -2211,7 +2224,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
tbl = &(lq_sta->lq_info[lq_sta->active_tbl]);
/* get "active" rate info */
index = iwl_hwrate_to_plcp_idx(tbl->current_rate);
- rate = rs_update_rate_tbl(priv, lq_sta,
+ rate = rs_update_rate_tbl(priv, ctx, lq_sta,
tbl, index, is_green);
}
return;
@@ -2453,7 +2466,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
lq_update:
/* Replace uCode's rate table for the destination station. */
if (update_lq)
- rate = rs_update_rate_tbl(priv, lq_sta,
+ rate = rs_update_rate_tbl(priv, ctx, lq_sta,
tbl, index, is_green);
if (iwl_tx_ant_restriction(priv) == IWL_ANT_OK_MULTI) {
@@ -2495,7 +2508,7 @@ lq_update:
IWL_DEBUG_RATE(priv, "Switch current mcs: %X index: %d\n",
tbl->current_rate, index);
rs_fill_link_cmd(priv, lq_sta, tbl->current_rate);
- iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_ASYNC, false);
+ iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_ASYNC, false);
} else
done_search = 1;
}
@@ -2565,12 +2578,17 @@ static void rs_initialize_lq(struct iwl_priv *priv,
int rate_idx;
int i;
u32 rate;
- u8 use_green = rs_use_green(sta, &priv->current_ht_config);
+ u8 use_green = rs_use_green(sta);
u8 active_tbl = 0;
u8 valid_tx_ant;
+ struct iwl_station_priv *sta_priv;
+ struct iwl_rxon_context *ctx;
if (!sta || !lq_sta)
- goto out;
+ return;
+
+ sta_priv = (void *)sta->drv_priv;
+ ctx = sta_priv->common.ctx;
i = lq_sta->last_txrate_idx;
@@ -2602,9 +2620,7 @@ static void rs_initialize_lq(struct iwl_priv *priv,
rs_set_expected_tpt_table(lq_sta, tbl);
rs_fill_link_cmd(NULL, lq_sta, rate);
priv->stations[lq_sta->lq.sta_id].lq = &lq_sta->lq;
- iwl_send_lq_cmd(priv, &lq_sta->lq, CMD_SYNC, true);
- out:
- return;
+ iwl_send_lq_cmd(priv, ctx, &lq_sta->lq, CMD_SYNC, true);
}
static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta,
@@ -2732,7 +2748,7 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i
lq_sta->is_dup = 0;
lq_sta->max_rate_idx = -1;
lq_sta->missed_rate_counter = IWL_MISSED_RATE_MAX;
- lq_sta->is_green = rs_use_green(sta, &priv->current_ht_config);
+ lq_sta->is_green = rs_use_green(sta);
lq_sta->active_legacy_rate = priv->active_rate & ~(0x1000);
lq_sta->band = priv->band;
/*
@@ -2992,6 +3008,9 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
char buf[64];
int buf_size;
u32 parsed_rate;
+ struct iwl_station_priv *sta_priv =
+ container_of(lq_sta, struct iwl_station_priv, lq_sta);
+ struct iwl_rxon_context *ctx = sta_priv->common.ctx;
priv = lq_sta->drv;
memset(buf, 0, sizeof(buf));
@@ -3014,7 +3033,8 @@ static ssize_t rs_sta_dbgfs_scale_table_write(struct file *file,
if (lq_sta->dbg_fixed_rate) {
rs_fill_link_cmd(NULL, lq_sta, lq_sta->dbg_fixed_rate);
- iwl_send_lq_cmd(lq_sta->drv, &lq_sta->lq, CMD_ASYNC, false);
+ iwl_send_lq_cmd(lq_sta->drv, ctx, &lq_sta->lq, CMD_ASYNC,
+ false);
}
return count;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index de8db3a3848..4efca99b2a9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3671,8 +3671,8 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
sta_priv->lq_sta.lq.general_params.flags &=
~LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
- iwl_send_lq_cmd(priv, &sta_priv->lq_sta.lq,
- CMD_ASYNC, false);
+ iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
+ &sta_priv->lq_sta.lq, CMD_ASYNC, false);
}
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
@@ -3687,8 +3687,8 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
sta_priv->lq_sta.lq.general_params.flags |=
LINK_QUAL_FLAGS_SET_STA_TLC_RTS_MSK;
- iwl_send_lq_cmd(priv, &sta_priv->lq_sta.lq,
- CMD_ASYNC, false);
+ iwl_send_lq_cmd(priv, iwl_rxon_ctx_from_vif(vif),
+ &sta_priv->lq_sta.lq, CMD_ASYNC, false);
}
ret = 0;
break;
@@ -3824,23 +3824,23 @@ static void iwl_mac_channel_switch(struct ieee80211_hw *hw,
priv->current_ht_config.smps = conf->smps_mode;
/* Configure HT40 channels */
- ht_conf->is_ht = conf_is_ht(conf);
- if (ht_conf->is_ht) {
+ ctx->ht.enabled = conf_is_ht(conf);
+ if (ctx->ht.enabled) {
if (conf_is_ht40_minus(conf)) {
- ht_conf->extension_chan_offset =
+ ctx->ht.extension_chan_offset =
IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- ht_conf->is_40mhz = true;
+ ctx->ht.is_40mhz = true;
} else if (conf_is_ht40_plus(conf)) {
- ht_conf->extension_chan_offset =
+ ctx->ht.extension_chan_offset =
IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
- ht_conf->is_40mhz = true;
+ ctx->ht.is_40mhz = true;
} else {
- ht_conf->extension_chan_offset =
+ ctx->ht.extension_chan_offset =
IEEE80211_HT_PARAM_CHA_SEC_NONE;
- ht_conf->is_40mhz = false;
+ ctx->ht.is_40mhz = false;
}
} else
- ht_conf->is_40mhz = false;
+ ctx->ht.is_40mhz = false;
if ((le16_to_cpu(ctx->staging.channel) != ch))
ctx->staging.flags = 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index f9abcd80271..8ec042d4e37 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -202,7 +202,7 @@ static void iwl_update_qos(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
ctx->qos_data.def_qos_parm.qos_flags |=
QOS_PARAM_FLG_UPDATE_EDCA_MSK;
- if (priv->current_ht_config.is_ht)
+ if (ctx->ht.enabled)
ctx->qos_data.def_qos_parm.qos_flags |= QOS_PARAM_FLG_TGN_MSK;
IWL_DEBUG_QOS(priv, "send QoS cmd with Qos active=%d FLAGS=0x%X\n",
@@ -441,15 +441,15 @@ static bool is_single_rx_stream(struct iwl_priv *priv)
priv->current_ht_config.single_chain_sufficient;
}
-static u8 iwl_is_channel_extension(struct iwl_priv *priv,
- enum ieee80211_band band,
- u16 channel, u8 extension_chan_offset)
+static bool iwl_is_channel_extension(struct iwl_priv *priv,
+ enum ieee80211_band band,
+ u16 channel, u8 extension_chan_offset)
{
const struct iwl_channel_info *ch_info;
ch_info = iwl_get_channel_info(priv, band, channel);
if (!is_channel_valid(ch_info))
- return 0;
+ return false;
if (extension_chan_offset == IEEE80211_HT_PARAM_CHA_SEC_ABOVE)
return !(ch_info->ht40_extension_channel &
@@ -458,34 +458,31 @@ static u8 iwl_is_channel_extension(struct iwl_priv *priv,
return !(ch_info->ht40_extension_channel &
IEEE80211_CHAN_NO_HT40MINUS);
- return 0;
+ return false;
}
-u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
- struct ieee80211_sta_ht_cap *sta_ht_inf)
+bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
+ struct ieee80211_sta_ht_cap *ht_cap)
{
- struct iwl_ht_config *ht_conf = &priv->current_ht_config;
-#if !TODO
- struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
-#endif
+ if (!ctx->ht.enabled || !ctx->ht.is_40mhz)
+ return false;
- if (!ht_conf->is_ht || !ht_conf->is_40mhz)
- return 0;
-
- /* We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
+ /*
+ * We do not check for IEEE80211_HT_CAP_SUP_WIDTH_20_40
* the bit will not set if it is pure 40MHz case
*/
- if (sta_ht_inf) {
- if (!sta_ht_inf->ht_supported)
- return 0;
- }
+ if (ht_cap && !ht_cap->ht_supported)
+ return false;
+
#ifdef CONFIG_IWLWIFI_DEBUGFS
if (priv->disable_ht40)
- return 0;
+ return false;
#endif
+
return iwl_is_channel_extension(priv, priv->band,
le16_to_cpu(ctx->staging.channel),
- ht_conf->extension_chan_offset);
+ ctx->ht.extension_chan_offset);
}
EXPORT_SYMBOL(iwl_is_ht40_tx_allowed);
@@ -724,7 +721,7 @@ static void _iwl_set_rxon_ht(struct iwl_priv *priv,
{
struct iwl_rxon_cmd *rxon = &ctx->staging;
- if (!ht_conf->is_ht) {
+ if (!ctx->ht.enabled) {
rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
RXON_FLG_HT40_PROT_MSK |
@@ -732,22 +729,22 @@ static void _iwl_set_rxon_ht(struct iwl_priv *priv,
return;
}
- /* FIXME: if the definition of ht_protection changed, the "translation"
+ /* FIXME: if the definition of ht.protection changed, the "translation"
* will be needed for rxon->flags
*/
- rxon->flags |= cpu_to_le32(ht_conf->ht_protection << RXON_FLG_HT_OPERATING_MODE_POS);
+ rxon->flags |= cpu_to_le32(ctx->ht.protection << RXON_FLG_HT_OPERATING_MODE_POS);
/* Set up channel bandwidth:
* 20 MHz only, 20/40 mixed or pure 40 if ht40 ok */
/* clear the HT channel mode before set the mode */
rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
- if (iwl_is_ht40_tx_allowed(priv, NULL)) {
+ if (iwl_is_ht40_tx_allowed(priv, ctx, NULL)) {
/* pure ht40 */
- if (ht_conf->ht_protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
+ if (ctx->ht.protection == IEEE80211_HT_OP_MODE_PROTECTION_20MHZ) {
rxon->flags |= RXON_FLG_CHANNEL_MODE_PURE_40;
/* Note: control channel is opposite of extension channel */
- switch (ht_conf->extension_chan_offset) {
+ switch (ctx->ht.extension_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
rxon->flags &= ~RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK;
break;
@@ -757,7 +754,7 @@ static void _iwl_set_rxon_ht(struct iwl_priv *priv,
}
} else {
/* Note: control channel is opposite of extension channel */
- switch (ht_conf->extension_chan_offset) {
+ switch (ctx->ht.extension_chan_offset) {
case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
rxon->flags &= ~(RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK);
rxon->flags |= RXON_FLG_CHANNEL_MODE_MIXED;
@@ -782,8 +779,8 @@ static void _iwl_set_rxon_ht(struct iwl_priv *priv,
IWL_DEBUG_ASSOC(priv, "rxon flags 0x%X operation mode :0x%X "
"extension channel offset 0x%x\n",
- le32_to_cpu(rxon->flags), ht_conf->ht_protection,
- ht_conf->extension_chan_offset);
+ le32_to_cpu(rxon->flags), ctx->ht.protection,
+ ctx->ht.extension_chan_offset);
}
void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf)
@@ -1649,15 +1646,16 @@ static void iwl_ht_conf(struct iwl_priv *priv,
struct iwl_ht_config *ht_conf = &priv->current_ht_config;
struct ieee80211_sta *sta;
struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
+ struct iwl_rxon_context *ctx = iwl_rxon_ctx_from_vif(vif);
IWL_DEBUG_MAC80211(priv, "enter:\n");
- if (!ht_conf->is_ht)
+ if (!ctx->ht.enabled)
return;
- ht_conf->ht_protection =
+ ctx->ht.protection =
bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_PROTECTION;
- ht_conf->non_GF_STA_present =
+ ctx->ht.non_gf_sta_present =
!!(bss_conf->ht_operation_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT);
ht_conf->single_chain_sufficient = false;
@@ -2098,29 +2096,32 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
spin_lock_irqsave(&priv->lock, flags);
- /* Configure HT40 channels */
- ht_conf->is_ht = conf_is_ht(conf);
- if (ht_conf->is_ht) {
- if (conf_is_ht40_minus(conf)) {
- ht_conf->extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_BELOW;
- ht_conf->is_40mhz = true;
- } else if (conf_is_ht40_plus(conf)) {
- ht_conf->extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
- ht_conf->is_40mhz = true;
- } else {
- ht_conf->extension_chan_offset =
- IEEE80211_HT_PARAM_CHA_SEC_NONE;
- ht_conf->is_40mhz = false;
- }
- } else
- ht_conf->is_40mhz = false;
- /* Default to no protection. Protection mode will later be set
- * from BSS config in iwl_ht_conf */
- ht_conf->ht_protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
-
for_each_context(priv, ctx) {
+ /* Configure HT40 channels */
+ ctx->ht.enabled = conf_is_ht(conf);
+ if (ctx->ht.enabled) {
+ if (conf_is_ht40_minus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_BELOW;
+ ctx->ht.is_40mhz = true;
+ } else if (conf_is_ht40_plus(conf)) {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_ABOVE;
+ ctx->ht.is_40mhz = true;
+ } else {
+ ctx->ht.extension_chan_offset =
+ IEEE80211_HT_PARAM_CHA_SEC_NONE;
+ ctx->ht.is_40mhz = false;
+ }
+ } else
+ ctx->ht.is_40mhz = false;
+
+ /*
+ * Default to no protection. Protection mode will
+ * later be set from BSS config in iwl_ht_conf
+ */
+ ctx->ht.protection = IEEE80211_HT_OP_MODE_PROTECTION_NONE;
+
/* if we are switching from ht to 2.4 clear flags
* from any ht related info since 2.4 does not
* support ht */
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 7aa9c6c5c43..289fef8a881 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -389,8 +389,9 @@ void iwl_set_flags_for_band(struct iwl_priv *priv,
u8 iwl_get_single_channel_number(struct iwl_priv *priv,
enum ieee80211_band band);
void iwl_set_rxon_ht(struct iwl_priv *priv, struct iwl_ht_config *ht_conf);
-u8 iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
- struct ieee80211_sta_ht_cap *sta_ht_inf);
+bool iwl_is_ht40_tx_allowed(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
+ struct ieee80211_sta_ht_cap *ht_cap);
void iwl_connection_init_rx_config(struct iwl_priv *priv,
struct ieee80211_vif *vif);
void iwl_set_rate(struct iwl_priv *priv);
@@ -720,7 +721,7 @@ static inline int iwl_is_ready_rf(struct iwl_priv *priv)
extern void iwl_send_bt_config(struct iwl_priv *priv);
extern int iwl_send_statistics_request(struct iwl_priv *priv,
u8 flags, bool clear);
-extern int iwl_send_lq_cmd(struct iwl_priv *priv,
+extern int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
struct iwl_link_quality_cmd *lq, u8 flags, bool init);
void iwl_apm_stop(struct iwl_priv *priv);
int iwl_apm_init(struct iwl_priv *priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 93647688d72..c17c67f767e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -470,15 +470,8 @@ union iwl_ht_rate_supp {
#define CFG_HT_MPDU_DENSITY_MIN (0x1)
struct iwl_ht_config {
- /* self configuration data */
- bool is_ht;
- bool is_40mhz;
bool single_chain_sufficient;
enum ieee80211_smps_mode smps; /* current smps mode */
- /* BSS related data */
- u8 extension_chan_offset;
- u8 ht_protection;
- u8 non_GF_STA_present;
};
/* QoS structures */
@@ -1140,6 +1133,13 @@ struct iwl_rxon_context {
u8 key_mapping_keys;
__le32 station_flags;
+
+ struct {
+ bool non_gf_sta_present;
+ u8 protection;
+ bool enabled, is_40mhz;
+ u8 extension_chan_offset;
+ } ht;
};
struct iwl_priv {
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index c18eb89a9ae..ccd09027c7c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -172,7 +172,8 @@ int iwl_send_add_sta(struct iwl_priv *priv,
EXPORT_SYMBOL(iwl_send_add_sta);
static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
- struct ieee80211_sta *sta)
+ struct ieee80211_sta *sta,
+ struct iwl_rxon_context *ctx)
{
struct ieee80211_sta_ht_cap *sta_ht_inf = &sta->ht_cap;
__le32 sta_flags;
@@ -212,7 +213,7 @@ static void iwl_set_ht_add_station(struct iwl_priv *priv, u8 index,
sta_flags |= cpu_to_le32(
(u32)sta_ht_inf->ampdu_density << STA_FLG_AGG_MPDU_DENSITY_POS);
- if (iwl_is_ht40_tx_allowed(priv, sta_ht_inf))
+ if (iwl_is_ht40_tx_allowed(priv, ctx, &sta->ht_cap))
sta_flags |= STA_FLG_HT40_EN_MSK;
else
sta_flags &= ~STA_FLG_HT40_EN_MSK;
@@ -305,7 +306,7 @@ static u8 iwl_prep_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
* STA and broadcast STA) pass in a NULL sta, and mac80211
* doesn't allow HT IBSS.
*/
- iwl_set_ht_add_station(priv, sta_id, sta);
+ iwl_set_ht_add_station(priv, sta_id, sta, ctx);
/* 3945 only */
rate = (priv->band == IEEE80211_BAND_5GHZ) ?
@@ -472,7 +473,7 @@ int iwl_add_bssid_station(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
return -ENOMEM;
}
- ret = iwl_send_lq_cmd(priv, link_cmd, CMD_SYNC, true);
+ ret = iwl_send_lq_cmd(priv, ctx, link_cmd, CMD_SYNC, true);
if (ret)
IWL_ERR(priv, "Link quality command failed (%d)\n", ret);
@@ -714,7 +715,7 @@ void iwl_restore_stations(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
* current LQ command
*/
if (send_lq)
- iwl_send_lq_cmd(priv, &lq, CMD_SYNC, true);
+ iwl_send_lq_cmd(priv, ctx, &lq, CMD_SYNC, true);
spin_lock_irqsave(&priv->sta_lock, flags_spin);
priv->stations[i].used &= ~IWL_STA_UCODE_INPROGRESS;
}
@@ -1173,16 +1174,12 @@ static inline void iwl_dump_lq_cmd(struct iwl_priv *priv,
* RXON flags are updated and when LQ command is updated.
*/
static bool is_lq_table_valid(struct iwl_priv *priv,
+ struct iwl_rxon_context *ctx,
struct iwl_link_quality_cmd *lq)
{
int i;
- struct iwl_ht_config *ht_conf = &priv->current_ht_config;
-#if !TODO
- struct iwl_rxon_context *ctx =
- &priv->contexts[IWL_RXON_CTX_BSS];
-#endif
- if (ht_conf->is_ht)
+ if (ctx->ht.enabled)
return true;
IWL_DEBUG_INFO(priv, "Channel %u is not an HT channel\n",
@@ -1208,7 +1205,7 @@ static bool is_lq_table_valid(struct iwl_priv *priv,
* this case to clear the state indicating that station creation is in
* progress.
*/
-int iwl_send_lq_cmd(struct iwl_priv *priv,
+int iwl_send_lq_cmd(struct iwl_priv *priv, struct iwl_rxon_context *ctx,
struct iwl_link_quality_cmd *lq, u8 flags, bool init)
{
int ret = 0;
@@ -1227,7 +1224,7 @@ int iwl_send_lq_cmd(struct iwl_priv *priv,
iwl_dump_lq_cmd(priv, lq);
BUG_ON(init && (cmd.flags & CMD_ASYNC));
- if (is_lq_table_valid(priv, lq))
+ if (is_lq_table_valid(priv, ctx, lq))
ret = iwl_send_cmd(priv, &cmd);
else
ret = -EINVAL;