iwlwifi: initial contextification

In order to support multiple interfaces, we must move
a lot of data into per-context structures so we can
use the contexts the device offers. To start with,
this makes a lot of code context-aware, more changes
will move more things into the context structure.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

19 files changed, 611 insertions, 400 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index 8e84a08ff951..08f53f869c18 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -949,7 +949,8 @@ void iwl3945_rate_scale_init(struct ieee80211_hw *hw, s32 sta_id)
 	switch (priv->band) {
 	case IEEE80211_BAND_2GHZ:
 		/* TODO: this always does G, not a regression */
-		if (priv->active_rxon.flags & RXON_FLG_TGG_PROTECT_MSK) {
+		if (priv->contexts[IWL_RXON_CTX_BSS].active.flags &
+						RXON_FLG_TGG_PROTECT_MSK) {
 			rs_sta->tgg = 1;
 			rs_sta->expected_tpt = iwl3945_expected_tpt_g_prot;
 		} else
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 8ccfcd08218d..f4aa229986ca 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -245,7 +245,7 @@ int iwl3945_rs_next_rate(struct iwl_priv *priv, int rate)
 		break;
 	case IEEE80211_BAND_2GHZ:
 		if (!(priv->_3945.sta_supp_rates & IWL_OFDM_RATES_MASK) &&
-		    iwl_is_associated(priv)) {
+		    iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
 			if (rate == IWL_RATE_11M_INDEX)
 				next_rate = IWL_RATE_5M_INDEX;
 		}
@@ -1439,17 +1439,18 @@ static int iwl3945_send_tx_power(struct iwl_priv *priv)
 	int rate_idx, i;
 	const struct iwl_channel_info *ch_info = NULL;
 	struct iwl3945_txpowertable_cmd txpower = {
-		.channel = priv->active_rxon.channel,
+		.channel = priv->contexts[IWL_RXON_CTX_BSS].active.channel,
 	};
+	u16 chan;
+
+	chan = le16_to_cpu(priv->contexts[IWL_RXON_CTX_BSS].active.channel);
 
 	txpower.band = (priv->band == IEEE80211_BAND_5GHZ) ? 0 : 1;
-	ch_info = iwl_get_channel_info(priv,
-				       priv->band,
-				       le16_to_cpu(priv->active_rxon.channel));
+	ch_info = iwl_get_channel_info(priv, priv->band, chan);
 	if (!ch_info) {
 		IWL_ERR(priv,
 			"Failed to get channel info for channel %d [%d]\n",
-			le16_to_cpu(priv->active_rxon.channel), priv->band);
+			chan, priv->band);
 		return -EINVAL;
 	}
 
@@ -1710,7 +1711,8 @@ int iwl3945_hw_reg_set_txpower(struct iwl_priv *priv, s8 power)
 	return 0;
 }
 
-static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
+static int iwl3945_send_rxon_assoc(struct iwl_priv *priv,
+				   struct iwl_rxon_context *ctx)
 {
 	int rc = 0;
 	struct iwl_rx_packet *pkt;
@@ -1721,8 +1723,8 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
 		.flags = CMD_WANT_SKB,
 		.data = &rxon_assoc,
 	};
-	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
-	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+	const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
+	const struct iwl_rxon_cmd *rxon2 = &ctx->active;
 
 	if ((rxon1->flags == rxon2->flags) &&
 	    (rxon1->filter_flags == rxon2->filter_flags) &&
@@ -1732,10 +1734,10 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
 		return 0;
 	}
 
-	rxon_assoc.flags = priv->staging_rxon.flags;
-	rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
-	rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
-	rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+	rxon_assoc.flags = ctx->staging.flags;
+	rxon_assoc.filter_flags = ctx->staging.filter_flags;
+	rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
+	rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
 	rxon_assoc.reserved = 0;
 
 	rc = iwl_send_cmd_sync(priv, &cmd);
@@ -1761,14 +1763,14 @@ static int iwl3945_send_rxon_assoc(struct iwl_priv *priv)
  * function correctly transitions out of the RXON_ASSOC_MSK state if
  * a HW tune is required based on the RXON structure changes.
  */
-static int iwl3945_commit_rxon(struct iwl_priv *priv)
+static int iwl3945_commit_rxon(struct iwl_priv *priv,
+			       struct iwl_rxon_context *ctx)
 {
 	/* cast away the const for active_rxon in this function */
-	struct iwl3945_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
-	struct iwl3945_rxon_cmd *staging_rxon = (void *)&priv->staging_rxon;
+	struct iwl3945_rxon_cmd *active_rxon = (void *)&ctx->active;
+	struct iwl3945_rxon_cmd *staging_rxon = (void *)&ctx->staging;
 	int rc = 0;
-	bool new_assoc =
-		!!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
+	bool new_assoc = !!(staging_rxon->filter_flags & RXON_FILTER_ASSOC_MSK);
 
 	if (!iwl_is_alive(priv))
 		return -1;
@@ -1781,7 +1783,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	    ~(RXON_FLG_DIS_DIV_MSK | RXON_FLG_ANT_SEL_MSK);
 	staging_rxon->flags |= iwl3945_get_antenna_flags(priv);
 
-	rc = iwl_check_rxon_cmd(priv);
+	rc = iwl_check_rxon_cmd(priv, ctx);
 	if (rc) {
 		IWL_ERR(priv, "Invalid RXON configuration.  Not committing.\n");
 		return -EINVAL;
@@ -1790,8 +1792,9 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	/* If we don't need to send a full RXON, we can use
 	 * iwl3945_rxon_assoc_cmd which is used to reconfigure filter
 	 * and other flags for the current radio configuration. */
-	if (!iwl_full_rxon_required(priv)) {
-		rc = iwl_send_rxon_assoc(priv);
+	if (!iwl_full_rxon_required(priv, &priv->contexts[IWL_RXON_CTX_BSS])) {
+		rc = iwl_send_rxon_assoc(priv,
+					 &priv->contexts[IWL_RXON_CTX_BSS]);
 		if (rc) {
 			IWL_ERR(priv, "Error setting RXON_ASSOC "
 				  "configuration (%d).\n", rc);
@@ -1807,7 +1810,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	 * an RXON_ASSOC and the new config wants the associated mask enabled,
 	 * we must clear the associated from the active configuration
 	 * before we apply the new config */
-	if (iwl_is_associated(priv) && new_assoc) {
+	if (iwl_is_associated(priv, IWL_RXON_CTX_BSS) && new_assoc) {
 		IWL_DEBUG_INFO(priv, "Toggling associated bit on current RXON\n");
 		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 
@@ -1819,7 +1822,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 		active_rxon->reserved5 = 0;
 		rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
 				      sizeof(struct iwl3945_rxon_cmd),
-				      &priv->active_rxon);
+				      &priv->contexts[IWL_RXON_CTX_BSS].active);
 
 		/* If the mask clearing failed then we set
 		 * active_rxon back to what it was previously */
@@ -1848,7 +1851,7 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	staging_rxon->reserved4 = 0;
 	staging_rxon->reserved5 = 0;
 
-	iwl_set_rxon_hwcrypto(priv, !iwl3945_mod_params.sw_crypto);
+	iwl_set_rxon_hwcrypto(priv, ctx, !iwl3945_mod_params.sw_crypto);
 
 	/* Apply the new configuration */
 	rc = iwl_send_cmd_pdu(priv, REPLY_RXON,
@@ -2366,7 +2369,7 @@ int iwl3945_init_hw_rate_table(struct iwl_priv *priv)
 		 * 1M CCK rates */
 
 		if (!(priv->_3945.sta_supp_rates & IWL_OFDM_RATES_MASK) &&
-		    iwl_is_associated(priv)) {
+		    iwl_is_associated(priv, IWL_RXON_CTX_BSS)) {
 
 			index = IWL_FIRST_CCK_RATE;
 			for (i = IWL_RATE_6M_INDEX_TABLE;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index f0a47f42d4b8..82f32305f50e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -347,7 +347,7 @@ static void iwl4965_chain_noise_reset(struct iwl_priv *priv)
 	struct iwl_chain_noise_data *data = &(priv->chain_noise_data);
 
 	if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
-	     iwl_is_associated(priv)) {
+	    iwl_is_any_associated(priv)) {
 		struct iwl_calib_diff_gain_cmd cmd;
 
 		/* clear data for chain noise calibration algorithm */
@@ -1374,6 +1374,7 @@ static int iwl4965_send_tx_power(struct iwl_priv *priv)
 	u8 band = 0;
 	bool is_ht40 = false;
 	u8 ctrl_chan_high = 0;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	if (test_bit(STATUS_SCANNING, &priv->status)) {
 		/* If this gets hit a lot, switch it to a BUG() and catch
@@ -1385,17 +1386,16 @@ static int iwl4965_send_tx_power(struct iwl_priv *priv)
 
 	band = priv->band == IEEE80211_BAND_2GHZ;
 
-	is_ht40 =  is_ht40_channel(priv->active_rxon.flags);
+	is_ht40 = is_ht40_channel(ctx->active.flags);
 
-	if (is_ht40 &&
-	    (priv->active_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
+	if (is_ht40 && (ctx->active.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
 		ctrl_chan_high = 1;
 
 	cmd.band = band;
-	cmd.channel = priv->active_rxon.channel;
+	cmd.channel = ctx->active.channel;
 
 	ret = iwl4965_fill_txpower_tbl(priv, band,
-				le16_to_cpu(priv->active_rxon.channel),
+				le16_to_cpu(ctx->active.channel),
 				is_ht40, ctrl_chan_high, &cmd.tx_power);
 	if (ret)
 		goto out;
@@ -1406,12 +1406,13 @@ out:
 	return ret;
 }
 
-static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
+static int iwl4965_send_rxon_assoc(struct iwl_priv *priv,
+				   struct iwl_rxon_context *ctx)
 {
 	int ret = 0;
 	struct iwl4965_rxon_assoc_cmd rxon_assoc;
-	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
-	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+	const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
+	const struct iwl_rxon_cmd *rxon2 = &ctx->active;
 
 	if ((rxon1->flags == rxon2->flags) &&
 	    (rxon1->filter_flags == rxon2->filter_flags) &&
@@ -1426,16 +1427,16 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
 		return 0;
 	}
 
-	rxon_assoc.flags = priv->staging_rxon.flags;
-	rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
-	rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
-	rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+	rxon_assoc.flags = ctx->staging.flags;
+	rxon_assoc.filter_flags = ctx->staging.filter_flags;
+	rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
+	rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
 	rxon_assoc.reserved = 0;
 	rxon_assoc.ofdm_ht_single_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
+	    ctx->staging.ofdm_ht_single_stream_basic_rates;
 	rxon_assoc.ofdm_ht_dual_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
-	rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
+	    ctx->staging.ofdm_ht_dual_stream_basic_rates;
+	rxon_assoc.rx_chain_select_flags = ctx->staging.rx_chain;
 
 	ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
 				     sizeof(rxon_assoc), &rxon_assoc, NULL);
@@ -1448,6 +1449,7 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
 static int iwl4965_hw_channel_switch(struct iwl_priv *priv,
 				     struct ieee80211_channel_switch *ch_switch)
 {
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	int rc;
 	u8 band = 0;
 	bool is_ht40 = false;
@@ -1458,22 +1460,22 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv,
 	u16 ch;
 	u32 tsf_low;
 	u8 switch_count;
-	u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
+	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
 	struct ieee80211_vif *vif = priv->vif;
 	band = priv->band == IEEE80211_BAND_2GHZ;
 
-	is_ht40 = is_ht40_channel(priv->staging_rxon.flags);
+	is_ht40 = is_ht40_channel(ctx->staging.flags);
 
 	if (is_ht40 &&
-	    (priv->staging_rxon.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
+	    (ctx->staging.flags & RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK))
 		ctrl_chan_high = 1;
 
 	cmd.band = band;
 	cmd.expect_beacon = 0;
 	ch = ch_switch->channel->hw_value;
 	cmd.channel = cpu_to_le16(ch);
-	cmd.rxon_flags = priv->staging_rxon.flags;
-	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
+	cmd.rxon_flags = ctx->staging.flags;
+	cmd.rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
@@ -1508,7 +1510,7 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv,
 		cmd.expect_beacon = is_channel_radar(ch_info);
 	else {
 		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
-			priv->active_rxon.channel, ch);
+			ctx->active.channel, ch);
 		return -EFAULT;
 	}
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 013f3dae69f1..8536f19d7dcc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -275,13 +275,18 @@ static void iwl5150_temperature(struct iwl_priv *priv)
 static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 				     struct ieee80211_channel_switch *ch_switch)
 {
+	/*
+	 * MULTI-FIXME
+	 * See iwl_mac_channel_switch.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	struct iwl5000_channel_switch_cmd cmd;
 	const struct iwl_channel_info *ch_info;
 	u32 switch_time_in_usec, ucode_switch_time;
 	u16 ch;
 	u32 tsf_low;
 	u8 switch_count;
-	u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
+	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
 	struct ieee80211_vif *vif = priv->vif;
 	struct iwl_host_cmd hcmd = {
 		.id = REPLY_CHANNEL_SWITCH,
@@ -293,10 +298,10 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 	ch = ch_switch->channel->hw_value;
 	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
-		priv->active_rxon.channel, ch);
+		      ctx->active.channel, ch);
 	cmd.channel = cpu_to_le16(ch);
-	cmd.rxon_flags = priv->staging_rxon.flags;
-	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
+	cmd.rxon_flags = ctx->staging.flags;
+	cmd.rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
@@ -331,7 +336,7 @@ static int iwl5000_hw_channel_switch(struct iwl_priv *priv,
 		cmd.expect_beacon = is_channel_radar(ch_info);
 	else {
 		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
-			priv->active_rxon.channel, ch);
+			ctx->active.channel, ch);
 		return -EFAULT;
 	}
 	priv->switch_rxon.channel = cmd.channel;
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index fc9344b873ba..bf1fe25fae73 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -198,13 +198,18 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 				     struct ieee80211_channel_switch *ch_switch)
 {
+	/*
+	 * MULTI-FIXME
+	 * See iwl_mac_channel_switch.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 	struct iwl6000_channel_switch_cmd cmd;
 	const struct iwl_channel_info *ch_info;
 	u32 switch_time_in_usec, ucode_switch_time;
 	u16 ch;
 	u32 tsf_low;
 	u8 switch_count;
-	u16 beacon_interval = le16_to_cpu(priv->rxon_timing.beacon_interval);
+	u16 beacon_interval = le16_to_cpu(ctx->timing.beacon_interval);
 	struct ieee80211_vif *vif = priv->vif;
 	struct iwl_host_cmd hcmd = {
 		.id = REPLY_CHANNEL_SWITCH,
@@ -216,10 +221,10 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
 	ch = ch_switch->channel->hw_value;
 	IWL_DEBUG_11H(priv, "channel switch from %u to %u\n",
-		      priv->active_rxon.channel, ch);
+		      ctx->active.channel, ch);
 	cmd.channel = cpu_to_le16(ch);
-	cmd.rxon_flags = priv->staging_rxon.flags;
-	cmd.rxon_filter_flags = priv->staging_rxon.filter_flags;
+	cmd.rxon_flags = ctx->staging.flags;
+	cmd.rxon_filter_flags = ctx->staging.filter_flags;
 	switch_count = ch_switch->count;
 	tsf_low = ch_switch->timestamp & 0x0ffffffff;
 	/*
@@ -254,7 +259,7 @@ static int iwl6000_hw_channel_switch(struct iwl_priv *priv,
 		cmd.expect_beacon = is_channel_radar(ch_info);
 	else {
 		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
-			priv->active_rxon.channel, ch);
+			ctx->active.channel, ch);
 		return -EFAULT;
 	}
 	priv->switch_rxon.channel = cmd.channel;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
index 156b125dba71..84ad62958535 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-calib.c
@@ -625,7 +625,7 @@ void iwl_sensitivity_calibration(struct iwl_priv *priv, void *resp)
 
 	data = &(priv->sensitivity_data);
 
-	if (!iwl_is_associated(priv)) {
+	if (!iwl_is_any_associated(priv)) {
 		IWL_DEBUG_CALIB(priv, "<< - not associated\n");
 		return;
 	}
@@ -763,6 +763,12 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp)
 	unsigned long flags;
 	struct statistics_rx_non_phy *rx_info;
 	u8 first_chain;
+	/*
+	 * MULTI-FIXME:
+	 * When we support multiple interfaces on different channels,
+	 * this must be modified/fixed.
+	 */
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	if (priv->disable_chain_noise_cal)
 		return;
@@ -793,8 +799,8 @@ void iwl_chain_noise_calibration(struct iwl_priv *priv, void *stat_resp)
 		return;
 	}
 
-	rxon_band24 = !!(priv->staging_rxon.flags & RXON_FLG_BAND_24G_MSK);
-	rxon_chnum = le16_to_cpu(priv->staging_rxon.channel);
+	rxon_band24 = !!(ctx->staging.flags & RXON_FLG_BAND_24G_MSK);
+	rxon_chnum = le16_to_cpu(ctx->staging.channel);
 	if (priv->cfg->bt_statistics) {
 		stat_band24 = !!(((struct iwl_bt_notif_statistics *)
 				 stat_resp)->flag &
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
index 84fe06adcef4..3e5069943dde 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c
@@ -37,12 +37,13 @@
 #include "iwl-io.h"
 #include "iwl-agn.h"
 
-int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
+int iwlagn_send_rxon_assoc(struct iwl_priv *priv,
+			   struct iwl_rxon_context *ctx)
 {
 	int ret = 0;
 	struct iwl5000_rxon_assoc_cmd rxon_assoc;
-	const struct iwl_rxon_cmd *rxon1 = &priv->staging_rxon;
-	const struct iwl_rxon_cmd *rxon2 = &priv->active_rxon;
+	const struct iwl_rxon_cmd *rxon1 = &ctx->staging;
+	const struct iwl_rxon_cmd *rxon2 = &ctx->active;
 
 	if ((rxon1->flags == rxon2->flags) &&
 	    (rxon1->filter_flags == rxon2->filter_flags) &&
@@ -60,21 +61,21 @@ int iwlagn_send_rxon_assoc(struct iwl_priv *priv)
 		return 0;
 	}
 
-	rxon_assoc.flags = priv->staging_rxon.flags;
-	rxon_assoc.filter_flags = priv->staging_rxon.filter_flags;
-	rxon_assoc.ofdm_basic_rates = priv->staging_rxon.ofdm_basic_rates;
-	rxon_assoc.cck_basic_rates = priv->staging_rxon.cck_basic_rates;
+	rxon_assoc.flags = ctx->staging.flags;
+	rxon_assoc.filter_flags = ctx->staging.filter_flags;
+	rxon_assoc.ofdm_basic_rates = ctx->staging.ofdm_basic_rates;
+	rxon_assoc.cck_basic_rates = ctx->staging.cck_basic_rates;
 	rxon_assoc.reserved1 = 0;
 	rxon_assoc.reserved2 = 0;
 	rxon_assoc.reserved3 = 0;
 	rxon_assoc.ofdm_ht_single_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_single_stream_basic_rates;
+	    ctx->staging.ofdm_ht_single_stream_basic_rates;
 	rxon_assoc.ofdm_ht_dual_stream_basic_rates =
-	    priv->staging_rxon.ofdm_ht_dual_stream_basic_rates;
-	rxon_assoc.rx_chain_select_flags = priv->staging_rxon.rx_chain;
+	    ctx->staging.ofdm_ht_dual_stream_basic_rates;
+	rxon_assoc.rx_chain_select_flags = ctx->staging.rx_chain;
 	rxon_assoc.ofdm_ht_triple_stream_basic_rates =
-		 priv->staging_rxon.ofdm_ht_triple_stream_basic_rates;
-	rxon_assoc.acquisition_data = priv->staging_rxon.acquisition_data;
+		 ctx->staging.ofdm_ht_triple_stream_basic_rates;
+	rxon_assoc.acquisition_data = ctx->staging.acquisition_data;
 
 	ret = iwl_send_cmd_pdu_async(priv, REPLY_RXON_ASSOC,
 				     sizeof(rxon_assoc), &rxon_assoc, NULL);
@@ -184,7 +185,7 @@ static void iwlagn_chain_noise_reset(struct iwl_priv *priv)
 	int ret;
 
 	if ((data->state == IWL_CHAIN_NOISE_ALIVE) &&
-	     iwl_is_associated(priv)) {
+	    iwl_is_any_associated(priv)) {
 		struct iwl_calib_chain_noise_reset_cmd cmd;
 
 		/* clear data for chain noise calibration algorithm */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index a9e69a6213f4..531a7dc3dc72 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -1232,7 +1232,7 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
 	scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
 
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_any_associated(priv)) {
 		u16 interval = 0;
 		u32 extra;
 		u32 suspend_time = 100;
@@ -1289,7 +1289,9 @@ void iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
 	switch (priv->scan_band) {
 	case IEEE80211_BAND_2GHZ:
 		scan->flags = RXON_FLG_BAND_24G_MSK | RXON_FLG_AUTO_DETECT_MSK;
-		chan_mod = le32_to_cpu(priv->active_rxon.flags & RXON_FLG_CHANNEL_MODE_MSK)
+		chan_mod = le32_to_cpu(
+			priv->contexts[IWL_RXON_CTX_BSS].active.flags &
+						RXON_FLG_CHANNEL_MODE_MSK)
 				       >> RXON_FLG_CHANNEL_MODE_POS;
 		if (chan_mod == CHANNEL_MODE_PURE_40) {
 			rate = IWL_RATE_6M_PLCP;
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
index 30298ea56a24..07b2c6cadf51 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tt.c
@@ -416,18 +416,26 @@ static void iwl_advance_tt_handler(struct iwl_priv *priv, s32 temp, bool force)
 	/* stop ct_kill_waiting_tm timer */
 	del_timer_sync(&priv->thermal_throttle.ct_kill_waiting_tm);
 	if (changed) {
-		struct iwl_rxon_cmd *rxon = &priv->staging_rxon;
-
 		if (tt->state >= IWL_TI_1) {
 			/* force PI = IWL_POWER_INDEX_5 in the case of TI > 0 */
 			tt->tt_power_mode = IWL_POWER_INDEX_5;
-			if (!iwl_ht_enabled(priv))
-				/* disable HT */
-				rxon->flags &= ~(RXON_FLG_CHANNEL_MODE_MSK |
-					RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
-					RXON_FLG_HT40_PROT_MSK |
-					RXON_FLG_HT_PROT_MSK);
-			else {
+
+			if (!iwl_ht_enabled(priv)) {
+				struct iwl_rxon_context *ctx;
+
+				for_each_context(priv, ctx) {
+					struct iwl_rxon_cmd *rxon;
+
+					rxon = &ctx->staging;
+
+					/* disable HT */
+					rxon->flags &= ~(
+						RXON_FLG_CHANNEL_MODE_MSK |
+						RXON_FLG_CTRL_CHANNEL_LOC_HI_MSK |
+						RXON_FLG_HT40_PROT_MSK |
+						RXON_FLG_HT_PROT_MSK);
+				}
+			} else {
 				/* check HT capability and set
 				 * according to the system HT capability
 				 * in case get disabled before */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 5e0d0d527bf0..e073069a44c2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -98,21 +98,21 @@ static bool iwlagn_bt_ch_announce = 1;
  * function correctly transitions out of the RXON_ASSOC_MSK state if
  * a HW tune is required based on the RXON structure changes.
  */
-int iwl_commit_rxon(struct iwl_priv *priv)
+int iwl_commit_rxon(struct iwl_priv *priv, struct iwl_rxon_context *ctx)
 {
 	/* cast away the const for active_rxon in this function */
-	struct iwl_rxon_cmd *active_rxon = (void *)&priv->active_rxon;
+	struct iwl_rxon_cmd *active_rxon = (void *)&ctx->active;
 	int ret;
 	bool new_assoc =
-		!!(priv->staging_rxon.filter_flags & RXON_FILTER_ASSOC_MSK);
+		!!(ctx->staging.filter_flags & RXON_FILTER_ASSOC_MSK);
 
 	if (!iwl_is_alive(priv))
 		return -EBUSY;
 
 	/* always get timestamp with Rx frame */
-	priv->staging_rxon.flags |= RXON_FLG_TSF2HOST_MSK;
+	ctx->staging.flags |= RXON_FLG_TSF2HOST_MSK;
 
-	ret = iwl_check_rxon_cmd(priv);
+	ret = iwl_check_rxon_cmd(priv, ctx);
 	if (ret) {
 		IWL_ERR(priv, "Invalid RXON configuration.  Not committing.\n");
 		return -EINVAL;
@@ -123,7 +123,7 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	 * abort any previous channel switch if still in process
 	 */
 	if (priv->switch_rxon.switch_in_progress &&
-	    (priv->switch_rxon.channel != priv->staging_rxon.channel)) {
+	    (priv->switch_rxon.channel != ctx->staging.channel)) {
 		IWL_DEBUG_11H(priv, "abort channel switch on %d\n",
 		      le16_to_cpu(priv->switch_rxon.channel));
 		iwl_chswitch_done(priv, false);
@@ -132,15 +132,15 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	/* If we don't need to send a full RXON, we can use
 	 * iwl_rxon_assoc_cmd which is used to reconfigure filter
 	 * and other flags for the current radio configuration. */
-	if (!iwl_full_rxon_required(priv)) {
-		ret = iwl_send_rxon_assoc(priv);
+	if (!iwl_full_rxon_required(priv, ctx)) {
+		ret = iwl_send_rxon_assoc(priv, ctx);
 		if (ret) {
 			IWL_ERR(priv, "Error setting RXON_ASSOC (%d)\n", ret);
 			return ret;
 		}
 
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
-		iwl_print_rx_config_cmd(priv);
+		memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon));
+		iwl_print_rx_config_cmd(priv, ctx);
 		return 0;
 	}
 
@@ -148,13 +148,13 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	 * an RXON_ASSOC and the new config wants the associated mask enabled,
 	 * we must clear the associated from the active configuration
 	 * before we apply the new config */
-	if (iwl_is_associated(priv) && new_assoc) {
+	if (iwl_is_associated_ctx(ctx) && new_assoc) {
 		IWL_DEBUG_INFO(priv, "Toggling associated bit on current RXON\n");
 		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 
 		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-				      sizeof(struct iwl_rxon_cmd),
-				      &priv->active_rxon);
+				       sizeof(struct iwl_rxon_cmd),
+				       active_rxon);
 
 		/* If the mask clearing failed then we set
 		 * active_rxon back to what it was previously */
@@ -177,10 +177,10 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 		       "* channel = %d\n"
 		       "* bssid = %pM\n",
 		       (new_assoc ? "" : "out"),
-		       le16_to_cpu(priv->staging_rxon.channel),
-		       priv->staging_rxon.bssid_addr);
+		       le16_to_cpu(ctx->staging.channel),
+		       ctx->staging.bssid_addr);
 
-	iwl_set_rxon_hwcrypto(priv, !priv->cfg->mod_params->sw_crypto);
+	iwl_set_rxon_hwcrypto(priv, ctx, !priv->cfg->mod_params->sw_crypto);
 
 	/* Apply the new configuration
 	 * RXON unassoc clears the station table in uCode so restoration of
@@ -188,13 +188,13 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 	 */
 	if (!new_assoc) {
 		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-			      sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
+			      sizeof(struct iwl_rxon_cmd), &ctx->staging);
 		if (ret) {
 			IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
 			return ret;
 		}
 		IWL_DEBUG_INFO(priv, "Return from !new_assoc RXON.\n");
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
+		memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon));
 		iwl_clear_ucode_stations(priv);
 		iwl_restore_stations(priv);
 		ret = iwl_restore_default_wep_keys(priv);
@@ -210,14 +210,14 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 		 * RXON assoc doesn't clear the station table in uCode,
 		 */
 		ret = iwl_send_cmd_pdu(priv, REPLY_RXON,
-			      sizeof(struct iwl_rxon_cmd), &priv->staging_rxon);
+			      sizeof(struct iwl_rxon_cmd), &ctx->staging);
 		if (ret) {
 			IWL_ERR(priv, "Error setting new RXON (%d)\n", ret);
 			return ret;
 		}
-		memcpy(active_rxon, &priv->staging_rxon, sizeof(*active_rxon));
+		memcpy(active_rxon, &ctx->staging, sizeof(*active_rxon));
 	}
-	iwl_print_rx_config_cmd(priv);
+	iwl_print_rx_config_cmd(priv, ctx);
 
 	iwl_init_sensitivity(priv);
 
@@ -234,10 +234,14 @@ int iwl_commit_rxon(struct iwl_priv *priv)
 
 void iwl_update_chain_flags(struct iwl_priv *priv)
 {
+	struct iwl_rxon_context *ctx;
 
-	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
-	iwlcore_commit_rxon(priv);
+	if (priv->cfg->ops->hcmd->set_rxon_chain) {
+		for_each_context(priv, ctx) {
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
+			iwlcore_commit_rxon(priv, ctx);
+		}
+	}
 }
 
 static void iwl_clear_free_frames(struct iwl_priv *priv)
@@ -633,6 +637,7 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work)
 {
 	struct iwl_priv *priv =
 		container_of(work, struct iwl_priv, bt_full_concurrency);
+	struct iwl_rxon_context *ctx;
 
 	if (test_bit(STATUS_EXIT_PENDING, &priv->status))
 		return;
@@ -649,9 +654,13 @@ static void iwl_bg_bt_full_concurrency(struct work_struct *work)
 	 * LQ & RXON updated cmds must be sent before BT Config cmd
 	 * to avoid 3-wire collisions
 	 */
-	if (priv->cfg->ops->hcmd->set_rxon_chain)
-		priv->cfg->ops->hcmd->set_rxon_chain(priv);
-	iwlcore_commit_rxon(priv);
+	mutex_lock(&priv->mutex);
+	for_each_context(priv, ctx) {
+		if (priv->cfg->ops->hcmd->set_rxon_chain)
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
+		iwlcore_commit_rxon(priv, ctx);
+	}
+	mutex_unlock(&priv->mutex);
 
 	priv->cfg->ops->hcmd->send_bt_config(priv);
 }
@@ -2710,6 +2719,7 @@ static void iwl_rf_kill_ct_config(struct iwl_priv *priv)
 static void iwl_alive_start(struct iwl_priv *priv)
 {
 	int ret = 0;
+	struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS];
 
 	IWL_DEBUG_INFO(priv, "Runtime Alive received.\n");
 
@@ -2758,18 +2768,18 @@ static void iwl_alive_start(struct iwl_priv *priv)
 	if (priv->cfg->ops->hcmd->set_tx_ant)
 		priv->cfg->ops->hcmd->set_tx_ant(priv, priv->cfg->valid_tx_ant);
 
-	if (iwl_is_associated(priv)) {
+	if (iwl_is_associated_ctx(ctx)) {
 		struct iwl_rxon_cmd *active_rxon =
-				(struct iwl_rxon_cmd *)&priv->active_rxon;
+				(struct iwl_rxon_cmd *)&ctx->active;
 		/* apply any changes in staging */
-		priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
+		ctx->staging.filter_flags |= RXON_FILTER_ASSOC_MSK;
 		active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
 	} else {
 		/* Initialize our rx_config data */
 		iwl_connection_init_rx_config(priv, NULL);
 
 		if (priv->cfg->ops->hcmd->set_rxon_chain)
-			priv->cfg->ops->hcmd->set_rxon_chain(priv);
+			priv->cfg->ops->hcmd->set_rxon_chain(priv, ctx);
 	}
 
 	if (!priv->cfg->advanced_bt_coexist) {
@@ -2780,7 +2790,7 @@ static void iwl_alive_start(struct iwl_priv *priv)
 	iwl_reset_run_time_calib(priv);
 
 	/* Configure the adapter for unassociated operation */
-	iwlcore_commit_rxon(priv);
+	iwlcore_commit_rxon(priv, ctx);
 
 	/* At this point, the NIC is initialized and operational */
 	iwl_rf_kill_ct_config(priv);
@@ -3195,12 +3205,15 @@ static void iwl_bg_rx_replenish(struct work_struct *data)
 
 void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 {
+	struct iwl_rxon_context *ctx;
 	struct ieee80211_conf *conf = NULL;
 	int ret = 0;
 
 	if (!vif || !priv->is_open)
 		return;
 
+	ctx = iwl_rxon_ctx_from_vif(vif);
+
 	if (vif->type == NL80211_IFTYPE_AP) {
 		IWL_ERR(priv, "%s Should not be called in AP mode\n", __func__);
 		return;
@@ -3213,42 +3226,42 @@ void iwl_post_associate(struct iwl_priv *priv, struct ieee80211_vif *vif)
 
 	conf = ieee80211_get_hw_conf(priv->hw);
 
-	priv->staging_rxon.filter_flags &= ~RXON_FILTER_ASSOC_MSK;
-	iwlcore_commit_rxon(priv);
+	ctx->staging.filter_flags