From 7280d1f0bd14271638bf6b4c3c9dc814af1aaafc Mon Sep 17 00:00:00 2001
From: Matti Gottlieb <matti.gottlieb@intel.com>
Date: Thu, 17 Jul 2014 16:41:14 +0300
Subject: [PATCH 01/36] iwlwifi: mvm: Add set NIC temperature debug option

Add ability to set the NIC's temperature and ignore the actual temperature
that the FW supplies.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/debugfs.c | 57 ++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/mvm/mvm.h     | 10 ++++
 drivers/net/wireless/iwlwifi/mvm/rx.c      | 19 ++++++++
 3 files changed, 86 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 7d18f466fbb3..f7e44889182a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -257,6 +257,60 @@ static ssize_t iwl_dbgfs_sram_write(struct iwl_mvm *mvm, char *buf,
 	return count;
 }
 
+static ssize_t iwl_dbgfs_set_nic_temperature_read(struct file *file,
+						  char __user *user_buf,
+						  size_t count, loff_t *ppos)
+{
+	struct iwl_mvm *mvm = file->private_data;
+	char buf[16];
+	int pos;
+
+	if (!mvm->temperature_test)
+		pos = scnprintf(buf , sizeof(buf), "disabled\n");
+	else
+		pos = scnprintf(buf , sizeof(buf), "%d\n", mvm->temperature);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
+/*
+ * Set NIC Temperature
+ * Cause the driver to ignore the actual NIC temperature reported by the FW
+ * Enable: any value between IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -
+ * IWL_MVM_DEBUG_SET_TEMPERATURE_MAX
+ * Disable: IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE
+ */
+static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
+						   char *buf, size_t count,
+						   loff_t *ppos)
+{
+	int temperature;
+
+	if (kstrtoint(buf, 10, &temperature))
+		return -EINVAL;
+	/* not a legal temperature */
+	if ((temperature > IWL_MVM_DEBUG_SET_TEMPERATURE_MAX &&
+	     temperature != IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) ||
+	    temperature < IWL_MVM_DEBUG_SET_TEMPERATURE_MIN)
+		return -EINVAL;
+
+	mutex_lock(&mvm->mutex);
+	if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
+		mvm->temperature_test = false;
+	} else {
+		mvm->temperature_test = true;
+		mvm->temperature = temperature;
+	}
+	IWL_DEBUG_TEMP(mvm, "%sabling debug set temperature (temp = %d)\n",
+		       mvm->temperature_test ? "En" : "Dis" ,
+		       mvm->temperature);
+	/* handle the temperature change */
+	iwl_mvm_tt_handler(mvm);
+	mutex_unlock(&mvm->mutex);
+
+	return count;
+}
+
 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 				       size_t count, loff_t *ppos)
 {
@@ -1296,6 +1350,7 @@ MVM_DEBUGFS_READ_WRITE_FILE_OPS(prph_reg, 64);
 MVM_DEBUGFS_WRITE_FILE_OPS(tx_flush, 16);
 MVM_DEBUGFS_WRITE_FILE_OPS(sta_drain, 8);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(sram, 64);
+MVM_DEBUGFS_READ_WRITE_FILE_OPS(set_nic_temperature, 64);
 MVM_DEBUGFS_READ_FILE_OPS(stations);
 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
@@ -1336,6 +1391,8 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 	MVM_DEBUGFS_ADD_FILE(tx_flush, mvm->debugfs_dir, S_IWUSR);
 	MVM_DEBUGFS_ADD_FILE(sta_drain, mvm->debugfs_dir, S_IWUSR);
 	MVM_DEBUGFS_ADD_FILE(sram, mvm->debugfs_dir, S_IWUSR | S_IRUSR);
+	MVM_DEBUGFS_ADD_FILE(set_nic_temperature, mvm->debugfs_dir,
+			     S_IWUSR | S_IRUSR);
 	MVM_DEBUGFS_ADD_FILE(stations, dbgfs_dir, S_IRUSR);
 	MVM_DEBUGFS_ADD_FILE(fw_error_dump, dbgfs_dir, S_IRUSR);
 	MVM_DEBUGFS_ADD_FILE(bt_notif, dbgfs_dir, S_IRUSR);
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 2e73d3bd7757..802d29e971f7 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -512,6 +512,10 @@ enum {
 	D0I3_PENDING_WAKEUP,
 };
 
+#define IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE 0xff
+#define IWL_MVM_DEBUG_SET_TEMPERATURE_MIN -100
+#define IWL_MVM_DEBUG_SET_TEMPERATURE_MAX 200
+
 struct iwl_mvm {
 	/* for logger access */
 	struct device *dev;
@@ -694,6 +698,12 @@ struct iwl_mvm {
 	/* Thermal Throttling and CTkill */
 	struct iwl_mvm_tt_mgmt thermal_throttle;
 	s32 temperature;	/* Celsius */
+	/*
+	 * Debug option to set the NIC temperature. This option makes the
+	 * driver think this is the actual NIC temperature, and ignore the
+	 * real temperature that is received from the fw
+	 */
+	bool temperature_test;  /* Debug test temperature is enabled */
 
 #ifdef CONFIG_NL80211_TESTMODE
 	u32 noa_duration;
diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c
index 4b98987fc413..8f43affe266f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rx.c
@@ -491,10 +491,29 @@ int iwl_mvm_rx_statistics(struct iwl_mvm *mvm,
 		.mvm = mvm,
 	};
 
+	/*
+	 * set temperature debug enabled - ignore FW temperature updates
+	 * and use the user set temperature.
+	 */
+	if (mvm->temperature_test) {
+		if (mvm->temperature < le32_to_cpu(common->temperature))
+			IWL_DEBUG_TEMP(mvm,
+				       "Ignoring FW temperature update that is greater than the debug set temperature (debug temp = %d, fw temp = %d)\n",
+				       mvm->temperature,
+				       le32_to_cpu(common->temperature));
+		/*
+		 * skip iwl_mvm_tt_handler since we are in
+		 * temperature debug mode and we are ignoring
+		 * the new temperature value
+		 */
+		goto update;
+	}
+
 	if (mvm->temperature != le32_to_cpu(common->temperature)) {
 		mvm->temperature = le32_to_cpu(common->temperature);
 		iwl_mvm_tt_handler(mvm);
 	}
+update:
 	iwl_mvm_update_rx_statistics(mvm, stats);
 
 	ieee80211_iterate_active_interfaces(mvm->hw,

From 7ceb98a313b8a1a5d949f538f4bb5ead4fabad23 Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Mon, 28 Jul 2014 12:59:45 +0300
Subject: [PATCH 02/36] iwlwifi: mvm: reduce the AMPDU size in low latency mode

This allows to leave a frame in the Tx Fifo which allows
the firmware to try to enter burst mode.
The end result of this is a better latency since the
firmware utilises the TxOP better.

Also limit the AMPDU size to the limit set in the ADDBA
response. This doesn't change much since the AMPDU size
was limited by the configuration of the hardware scheduler,
but here we add a software limit by the mean of the link
quality command.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/rs.c | 56 ++++++++++++++++++---------
 1 file changed, 38 insertions(+), 18 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index c70e959bf0e3..51fa571d5c45 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -2678,6 +2678,7 @@ static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm,
 	int i;
 	int num_rates = ARRAY_SIZE(lq_cmd->rs_table);
 	__le32 ucode_rate_le32 = cpu_to_le32(ucode_rate);
+	u8 ant = (ucode_rate & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS;
 
 	for (i = 0; i < num_rates; i++)
 		lq_cmd->rs_table[i] = ucode_rate_le32;
@@ -2688,6 +2689,13 @@ static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm,
 		lq_cmd->mimo_delim = num_rates - 1;
 	else
 		lq_cmd->mimo_delim = 0;
+
+	lq_cmd->reduced_tpc = 0;
+
+	if (num_of_ant(ant) == 1)
+		lq_cmd->single_stream_ant_msk = ant;
+
+	lq_cmd->agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
 }
 #endif /* CONFIG_MAC80211_DEBUGFS */
 
@@ -2811,31 +2819,46 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
 			   const struct rs_rate *initial_rate)
 {
 	struct iwl_lq_cmd *lq_cmd = &lq_sta->lq;
-	u8 ant = initial_rate->ant;
+	struct iwl_mvm_sta *mvmsta;
+	struct iwl_mvm_vif *mvmvif;
+
+	lq_cmd->agg_disable_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
+	lq_cmd->agg_time_limit =
+		cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
 
 #ifdef CONFIG_MAC80211_DEBUGFS
 	if (lq_sta->pers.dbg_fixed_rate) {
 		rs_build_rates_table_from_fixed(mvm, lq_cmd,
 						lq_sta->band,
 						lq_sta->pers.dbg_fixed_rate);
-		lq_cmd->reduced_tpc = 0;
-		ant = (lq_sta->pers.dbg_fixed_rate & RATE_MCS_ANT_ABC_MSK) >>
-			RATE_MCS_ANT_POS;
-	} else
+		return;
+	}
 #endif
-		rs_build_rates_table(mvm, lq_sta, initial_rate);
+	if (WARN_ON_ONCE(!sta || !initial_rate))
+		return;
 
-	if (num_of_ant(ant) == 1)
-		lq_cmd->single_stream_ant_msk = ant;
+	rs_build_rates_table(mvm, lq_sta, initial_rate);
 
-	lq_cmd->agg_frame_cnt_limit = LINK_QUAL_AGG_FRAME_LIMIT_DEF;
-	lq_cmd->agg_disable_start_th = LINK_QUAL_AGG_DISABLE_START_DEF;
+	if (num_of_ant(initial_rate->ant) == 1)
+		lq_cmd->single_stream_ant_msk = initial_rate->ant;
+
+	mvmsta = iwl_mvm_sta_from_mac80211(sta);
+	mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif);
+
+	if (num_of_ant(initial_rate->ant) == 1)
+		lq_cmd->single_stream_ant_msk = initial_rate->ant;
+
+	lq_cmd->agg_frame_cnt_limit = mvmsta->max_agg_bufsize;
+
+	/*
+	 * In case of low latency, tell the firwmare to leave a frame in the
+	 * Tx Fifo so that it can start a transaction in the same TxOP. This
+	 * basically allows the firmware to send bursts.
+	 */
+	if (iwl_mvm_vif_low_latency(mvmvif))
+		lq_cmd->agg_frame_cnt_limit--;
 
 	lq_cmd->agg_time_limit =
-		cpu_to_le16(LINK_QUAL_AGG_TIME_LIMIT_DEF);
-
-	if (sta)
-		lq_cmd->agg_time_limit =
 			cpu_to_le16(iwl_mvm_coex_agg_time_limit(mvm, sta));
 }
 
@@ -2932,10 +2955,7 @@ static void rs_program_fix_rate(struct iwl_mvm *mvm,
 		       lq_sta->lq.sta_id, lq_sta->pers.dbg_fixed_rate);
 
 	if (lq_sta->pers.dbg_fixed_rate) {
-		struct rs_rate rate;
-		rs_rate_from_ucode_rate(lq_sta->pers.dbg_fixed_rate,
-					lq_sta->band, &rate);
-		rs_fill_lq_cmd(mvm, NULL, lq_sta, &rate);
+		rs_fill_lq_cmd(mvm, NULL, lq_sta, NULL);
 		iwl_mvm_send_lq_cmd(lq_sta->pers.drv, &lq_sta->lq, false);
 	}
 }

From 697162a13dea92cb4fbe72207e05ecf9a1552abd Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Wed, 30 Jul 2014 15:56:42 +0300
Subject: [PATCH 03/36] iwlwifi: mvm: use dynamic SMPS for P2P Client

This allows to force the GO to use protection and enhances
the reliability of the link.

Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c | 6 +++++-
 drivers/net/wireless/iwlwifi/mvm/mvm.h      | 1 +
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 7c8796584c25..83c2ce60cdbb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1481,8 +1481,12 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
 
 			iwl_mvm_sf_update(mvm, vif, false);
 			iwl_mvm_power_vif_assoc(mvm, vif);
-			if (vif->p2p)
+			if (vif->p2p) {
 				iwl_mvm_ref(mvm, IWL_MVM_REF_P2P_CLIENT);
+				iwl_mvm_update_smps(mvm, vif,
+						    IWL_MVM_SMPS_REQ_PROT,
+						    IEEE80211_SMPS_DYNAMIC);
+			}
 		} else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
 			/*
 			 * If update fails - SF might be running in associated
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 802d29e971f7..771cf468e2f8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -253,6 +253,7 @@ struct iwl_dbgfs_bf {
 enum iwl_mvm_smps_type_request {
 	IWL_MVM_SMPS_REQ_BT_COEX,
 	IWL_MVM_SMPS_REQ_TT,
+	IWL_MVM_SMPS_REQ_PROT,
 	NUM_IWL_MVM_SMPS_REQ,
 };
 

From 84fd7608a0d7b9e7ce350aab278780a3e341628f Mon Sep 17 00:00:00 2001
From: Eliad Peller <eliad@wizery.com>
Date: Wed, 30 Jul 2014 15:42:19 +0300
Subject: [PATCH 04/36] iwlwifi: mvm: add use_ps-poll debugfs power option

By default, when uapsd is not used, the ucode uses
null data packet to exit power-save and get then
pending frames.

However, some tests require the explicit usage of ps-poll.
Allow setting use_ps_poll power option (through debugfs)
to configure the ucode to use ps-poll instead.

The ucode configuration is done by setting the advanced-pm
flag while setting all the ACs to non-upasd mode.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c | 8 ++++++++
 drivers/net/wireless/iwlwifi/mvm/mvm.h         | 2 ++
 drivers/net/wireless/iwlwifi/mvm/power.c       | 9 ++++++++-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
index 2e90ff795c13..5f5a94b9b7fc 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
@@ -119,6 +119,10 @@ static void iwl_dbgfs_update_pm(struct iwl_mvm *mvm,
 		IWL_DEBUG_POWER(mvm, "uapsd_misbehaving_enable=%d\n", val);
 		dbgfs_pm->uapsd_misbehaving = val;
 		break;
+	case MVM_DEBUGFS_PM_USE_PS_POLL:
+		IWL_DEBUG_POWER(mvm, "use_ps_poll=%d\n", val);
+		dbgfs_pm->use_ps_poll = val;
+		break;
 	}
 }
 
@@ -169,6 +173,10 @@ static ssize_t iwl_dbgfs_pm_params_write(struct ieee80211_vif *vif, char *buf,
 		if (sscanf(buf + 18, "%d", &val) != 1)
 			return -EINVAL;
 		param = MVM_DEBUGFS_PM_UAPSD_MISBEHAVING;
+	} else if (!strncmp("use_ps_poll=", buf, 12)) {
+		if (sscanf(buf + 12, "%d", &val) != 1)
+			return -EINVAL;
+		param = MVM_DEBUGFS_PM_USE_PS_POLL;
 	} else {
 		return -EINVAL;
 	}
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 771cf468e2f8..83a00abb508d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -203,6 +203,7 @@ enum iwl_dbgfs_pm_mask {
 	MVM_DEBUGFS_PM_LPRX_RSSI_THRESHOLD = BIT(7),
 	MVM_DEBUGFS_PM_SNOOZE_ENABLE = BIT(8),
 	MVM_DEBUGFS_PM_UAPSD_MISBEHAVING = BIT(9),
+	MVM_DEBUGFS_PM_USE_PS_POLL = BIT(10),
 };
 
 struct iwl_dbgfs_pm {
@@ -215,6 +216,7 @@ struct iwl_dbgfs_pm {
 	u32 lprx_rssi_threshold;
 	bool snooze_ena;
 	bool uapsd_misbehaving;
+	bool use_ps_poll;
 	int mask;
 };
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 2b2d10800a55..8cbe7ea01a69 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -198,8 +198,15 @@ static void iwl_mvm_power_configure_uapsd(struct iwl_mvm *mvm,
 		}
 	}
 
-	if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK)))
+	if (!(cmd->flags & cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK))) {
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+		/* set advanced pm flag with no uapsd ACs to enable ps-poll */
+		if (mvmvif->dbgfs_pm.use_ps_poll)
+			cmd->flags |=
+				cpu_to_le16(POWER_FLAGS_ADVANCE_PM_ENA_MSK);
+#endif
 		return;
+	}
 
 	cmd->flags |= cpu_to_le16(POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK);
 

From a4db848f2d0160a3fca08a5787dbef6bcc4ce2b3 Mon Sep 17 00:00:00 2001
From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Date: Thu, 31 Jul 2014 13:58:53 +0300
Subject: [PATCH 05/36] iwlwifi: mvm: force protection for P2P

Performance is less an issue in P2P and reliability
is critical. Enable protection always for P2P.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/rs.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 51fa571d5c45..b7a1efcac480 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -2858,6 +2858,9 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
 	if (iwl_mvm_vif_low_latency(mvmvif))
 		lq_cmd->agg_frame_cnt_limit--;
 
+	if (mvmsta->vif->p2p)
+		lq_cmd->flags |= LQ_FLAG_USE_RTS_MSK;
+
 	lq_cmd->agg_time_limit =
 			cpu_to_le16(iwl_mvm_coex_agg_time_limit(mvm, sta));
 }

From b689fa799a1450056044a47d6afa6ad52f3a8997 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Wed, 20 Aug 2014 17:26:58 +0300
Subject: [PATCH 06/36] iwlwifi: mvm: reset the temperature when temperature
 test is disabled

Since we can't read the actual temperature when the firmware is
running, just set the temperature to 0 when the test is disabled and
disable CT Kill if it was enabled.

Additionally, since we rely on iwl_mvm_tt_handler() to exit CT kill
when in test mode, call iwl_mvm_exit_ctkill() in that function if the
temperature is low again.  Also make the iwl_mvm_enter_ctkill() and
iwl_mvm_exit_ctkill() return if called when not necessary anymore
(e.g. when iwl_mvm_exit_ctkill() is called when we're not in CT-kill).

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/debugfs.c | 10 ++++++++++
 drivers/net/wireless/iwlwifi/mvm/tt.c      | 12 ++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index f7e44889182a..83e562b95a8e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -296,7 +296,15 @@ static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 
 	mutex_lock(&mvm->mutex);
 	if (temperature == IWL_MVM_DEBUG_SET_TEMPERATURE_DISABLE) {
+		if (!mvm->temperature_test)
+			goto out;
+
 		mvm->temperature_test = false;
+		/* Since we can't read the temp while awake, just set
+		 * it to zero until we get the next RX stats from the
+		 * firmware.
+		 */
+		mvm->temperature = 0;
 	} else {
 		mvm->temperature_test = true;
 		mvm->temperature = temperature;
@@ -306,6 +314,8 @@ static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 		       mvm->temperature);
 	/* handle the temperature change */
 	iwl_mvm_tt_handler(mvm);
+
+out:
 	mutex_unlock(&mvm->mutex);
 
 	return count;
diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c
index 0464599c111e..d31603cbb17d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tt.c
@@ -314,6 +314,9 @@ static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)
 {
 	u32 duration = mvm->thermal_throttle.params->ct_kill_duration;
 
+	if (test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))
+		return;
+
 	IWL_ERR(mvm, "Enter CT Kill\n");
 	iwl_mvm_set_hw_ctkill_state(mvm, true);
 	schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,
@@ -322,6 +325,9 @@ static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)
 
 static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm)
 {
+	if (!test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status))
+		return;
+
 	IWL_ERR(mvm, "Exit CT Kill\n");
 	iwl_mvm_set_hw_ctkill_state(mvm, false);
 }
@@ -444,6 +450,12 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm)
 		return;
 	}
 
+	if (params->support_ct_kill &&
+	    temperature <= tt->params->ct_kill_exit) {
+		iwl_mvm_exit_ctkill(mvm);
+		return;
+	}
+
 	if (params->support_dynamic_smps) {
 		if (!tt->dynamic_smps &&
 		    temperature >= params->dynamic_smps_entry) {

From efc36dbd5a0cbfbf0da0a6fa8e1c246bb78dab76 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Wed, 20 Aug 2014 17:58:20 +0300
Subject: [PATCH 07/36] iwlwifi: mvm: don't run automatic checks if CT was
 caused by debugfs

If we're manually testing the CT kill functionality via debugfs, we
shouldn't schedule the work to recheck the temperature after the
ct_kill_duration period has passed.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/tt.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c
index d31603cbb17d..4c22c0a09237 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tt.c
@@ -319,8 +319,14 @@ static void iwl_mvm_enter_ctkill(struct iwl_mvm *mvm)
 
 	IWL_ERR(mvm, "Enter CT Kill\n");
 	iwl_mvm_set_hw_ctkill_state(mvm, true);
-	schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,
-			      round_jiffies_relative(duration * HZ));
+
+	/* Don't schedule an exit work if we're in test mode, since
+	 * the temperature will not change unless we manually set it
+	 * again (or disable testing).
+	 */
+	if (!mvm->temperature_test)
+		schedule_delayed_work(&mvm->thermal_throttle.ct_kill_exit,
+				      round_jiffies_relative(duration * HZ));
 }
 
 static void iwl_mvm_exit_ctkill(struct iwl_mvm *mvm)

From a2d79c5709659370cd2deeeeb8dc75bb0be5e318 Mon Sep 17 00:00:00 2001
From: Matti Gottlieb <matti.gottlieb@intel.com>
Date: Mon, 25 Aug 2014 14:41:23 +0300
Subject: [PATCH 08/36] iwlwifi: mvm: Add marker command 0xcb

Add Marker command.
The marker command send the ucode the time of sending the command in
milliseconds since 1970-01-01 00:00:00 UTC, in addition to other metatdata.
The ucode inserts this information into the usniffer logs, and returns the GP2
time stamp inside the command response.

Signed-off-by: Matti Gottlieb <matti.gottlieb@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/fw-api.h | 34 +++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
index 95f5b3274efb..ed7d3f3d8b2f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
@@ -184,6 +184,8 @@ enum {
 	REPLY_RX_MPDU_CMD = 0xc1,
 	BA_NOTIF = 0xc5,
 
+	MARKER_CMD = 0xcb,
+
 	/* BT Coex */
 	BT_COEX_PRIO_TABLE = 0xcc,
 	BT_COEX_PROT_ENV = 0xcd,
@@ -1307,6 +1309,38 @@ struct iwl_bcast_filter_cmd {
 	struct iwl_fw_bcast_mac macs[NUM_MAC_INDEX_DRIVER];
 } __packed; /* BCAST_FILTERING_HCMD_API_S_VER_1 */
 
+/*
+ * enum iwl_mvm_marker_id - maker ids
+ *
+ * The ids for different type of markers to insert into the usniffer logs
+ */
+enum iwl_mvm_marker_id {
+	MARKER_ID_TX_FRAME_LATENCY = 1,
+}; /* MARKER_ID_API_E_VER_1 */
+
+/**
+ * struct iwl_mvm_marker - mark info into the usniffer logs
+ *
+ * (MARKER_CMD = 0xcb)
+ *
+ * Mark the UTC time stamp into the usniffer logs together with additional
+ * metadata, so the usniffer output can be parsed.
+ * In the command response the ucode will return the GP2 time.
+ *
+ * @dw_len: The amount of dwords following this byte including this byte.
+ * @marker_id: A unique marker id (iwl_mvm_marker_id).
+ * @reserved: reserved.
+ * @timestamp: in milliseconds since 1970-01-01 00:00:00 UTC
+ * @metadata: additional meta data that will be written to the unsiffer log
+ */
+struct iwl_mvm_marker {
+	u8 dwLen;
+	u8 markerId;
+	__le16 reserved;
+	__le64 timestamp;
+	__le32 metadata[0];
+} __packed; /* MARKER_API_S_VER_1 */
+
 struct mvm_statistics_dbg {
 	__le32 burst_check;
 	__le32 burst_count;

From 32be1a83af63c43fddcc39c2c1aedaa486af475f Mon Sep 17 00:00:00 2001
From: Eran Harary <eran.harary@intel.com>
Date: Sun, 24 Aug 2014 08:02:46 +0300
Subject: [PATCH 09/36] iwlwifi: mvm: fix the dump_umac_error_log

1. the base_address limitation was wrong, address can be bigger than
0x80C000
2. the ucode data_struct changed.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/utils.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index ac249da8a22b..20fdca475d22 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -387,15 +387,19 @@ struct iwl_error_event_table {
 struct iwl_umac_error_event_table {
 	u32 valid;		/* (nonzero) valid, (0) log is empty */
 	u32 error_id;		/* type of error */
-	u32 pc;			/* program counter */
 	u32 blink1;		/* branch link */
 	u32 blink2;		/* branch link */
 	u32 ilink1;		/* interrupt link */
 	u32 ilink2;		/* interrupt link */
 	u32 data1;		/* error-specific data */
 	u32 data2;		/* error-specific data */
-	u32 line;		/* source code line of error */
-	u32 umac_ver;		/* umac version */
+	u32 data3;		/* error-specific data */
+	u32 umac_fw_ver;	/* UMAC version */
+	u32 umac_fw_api_ver;	/* UMAC FW API ver */
+	u32 frame_pointer;	/* core register 27*/
+	u32 stack_pointer;	/* core register 28 */
+	u32 cmd_header;	/* latest host cmd sent to UMAC */
+	u32 nic_isr_pref;	/* ISR status register */
 } __packed;
 
 #define ERROR_START_OFFSET  (1 * sizeof(u32))
@@ -409,7 +413,7 @@ static void iwl_mvm_dump_umac_error_log(struct iwl_mvm *mvm)
 
 	base = mvm->umac_error_event_table;
 
-	if (base < 0x800000 || base >= 0x80C000) {
+	if (base < 0x800000) {
 		IWL_ERR(mvm,
 			"Not valid error log pointer 0x%08X for %s uCode\n",
 			base,
@@ -428,14 +432,19 @@ static void iwl_mvm_dump_umac_error_log(struct iwl_mvm *mvm)
 
 	IWL_ERR(mvm, "0x%08X | %-28s\n", table.error_id,
 		desc_lookup(table.error_id));
-	IWL_ERR(mvm, "0x%08X | umac uPc\n", table.pc);
 	IWL_ERR(mvm, "0x%08X | umac branchlink1\n", table.blink1);
 	IWL_ERR(mvm, "0x%08X | umac branchlink2\n", table.blink2);
 	IWL_ERR(mvm, "0x%08X | umac interruptlink1\n", table.ilink1);
 	IWL_ERR(mvm, "0x%08X | umac interruptlink2\n", table.ilink2);
 	IWL_ERR(mvm, "0x%08X | umac data1\n", table.data1);
 	IWL_ERR(mvm, "0x%08X | umac data2\n", table.data2);
-	IWL_ERR(mvm, "0x%08X | umac version\n", table.umac_ver);
+	IWL_ERR(mvm, "0x%08X | umac data3\n", table.data3);
+	IWL_ERR(mvm, "0x%08X | umac version\n", table.umac_fw_ver);
+	IWL_ERR(mvm, "0x%08X | umac api version\n", table.umac_fw_api_ver);
+	IWL_ERR(mvm, "0x%08X | frame pointer\n", table.frame_pointer);
+	IWL_ERR(mvm, "0x%08X | stack pointer\n", table.stack_pointer);
+	IWL_ERR(mvm, "0x%08X | last host cmd\n", table.cmd_header);
+	IWL_ERR(mvm, "0x%08X | isr status reg\n", table.nic_isr_pref);
 }
 
 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)

From d6ca18de129fc4dd4374389561930b32820f35ff Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 1 Sep 2014 11:28:11 +0200
Subject: [PATCH 10/36] iwlwifi: make U-APSD default configurable at compile
 time

With a significant number of deployed APs, enabling uAPSD leads to the
AP never using aggregation sessions (likely due to the complexities
involved in handling uAPSD in those.) This obviously results in a large
drop in throughput with such APs.

On the other hand, uAPSD can result in some power consumption benefits,
but for now just disable it to get performance with affected APs back
up.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/Kconfig   | 10 ++++++++++
 drivers/net/wireless/iwlwifi/iwl-drv.c |  8 +++++++-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/Kconfig b/drivers/net/wireless/iwlwifi/Kconfig
index 6451d2b6abcf..760e96f63bb0 100644
--- a/drivers/net/wireless/iwlwifi/Kconfig
+++ b/drivers/net/wireless/iwlwifi/Kconfig
@@ -87,6 +87,16 @@ config IWLWIFI_BCAST_FILTERING
 	  If unsure, don't enable this option, as some programs might
 	  expect incoming broadcasts for their normal operations.
 
+config IWLWIFI_UAPSD
+	bool "enable U-APSD by default"
+	depends on IWLMVM
+	help
+	  Say Y here to enable U-APSD by default. This may cause
+	  interoperability problems with some APs, manifesting in lower than
+	  expected throughput due to those APs not enabling aggregation
+
+	  If unsure, say N.
+
 menu "Debugging Options"
 
 config IWLWIFI_DEBUG
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 77e3178040b2..283aee0e28a4 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -1254,7 +1254,9 @@ struct iwl_mod_params iwlwifi_mod_params = {
 	.bt_coex_active = true,
 	.power_level = IWL_POWER_INDEX_1,
 	.wd_disable = true,
-	.uapsd_disable = false,
+#ifndef CONFIG_IWLWIFI_UAPSD
+	.uapsd_disable = true,
+#endif /* CONFIG_IWLWIFI_UAPSD */
 	/* the rest are 0 by default */
 };
 IWL_EXPORT_SYMBOL(iwlwifi_mod_params);
@@ -1370,7 +1372,11 @@ MODULE_PARM_DESC(nvm_file, "NVM file name");
 
 module_param_named(uapsd_disable, iwlwifi_mod_params.uapsd_disable,
 		   bool, S_IRUGO);
+#ifdef CONFIG_IWLWIFI_UAPSD
 MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: N)");
+#else
+MODULE_PARM_DESC(uapsd_disable, "disable U-APSD functionality (default: Y)");
+#endif
 
 /*
  * set bt_coex_active to true, uCode will do kill/defer

From bdd54839589f92fdfe80493e70aa7fe276da0c46 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Thu, 7 Aug 2014 18:08:56 +0300
Subject: [PATCH 11/36] iwlwifi: mvm: add debugfs entry for ps_disabled

In order to make debugging easier, add an entry to export the
ps_disabled value via debugfs.  To make usage of the
debugfs_create_*() function easier, change the ps_disabled element to
u8.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/debugfs.c | 3 +++
 drivers/net/wireless/iwlwifi/mvm/mvm.h     | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 83e562b95a8e..1fcbc23678c4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -1447,6 +1447,9 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 		goto err;
 #endif
 
+	if (!debugfs_create_u8("ps_disabled", S_IRUSR,
+			       mvm->debugfs_dir, &mvm->ps_disabled))
+		goto err;
 	if (!debugfs_create_blob("nvm_hw", S_IRUSR,
 				  mvm->debugfs_dir, &mvm->nvm_hw_blob))
 		goto err;
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 83a00abb508d..d6b00b97ae66 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -719,7 +719,7 @@ struct iwl_mvm {
 	u8 last_agg_queue;
 
 	/* Indicate if device power save is allowed */
-	bool ps_disabled;
+	u8 ps_disabled; /* u8 instead of bool to ease debugfs_create_* usage */
 
 	struct ieee80211_vif __rcu *csa_vif;
 	struct ieee80211_vif __rcu *csa_tx_blocked_vif;

From 9ecd051ecd87d0a361c85064e57b27dc825d012e Mon Sep 17 00:00:00 2001
From: Eyal Shapira <eyal@wizery.com>
Date: Thu, 28 Aug 2014 02:21:05 +0300
Subject: [PATCH 12/36] iwlwifi: mvm: disable tx aggregation on low latency
 vifs

Aggregations hit latency so disable it by default on
low latency vifs for now. Enable control over this behavior and
allow control over the max frames in an AMPDU in low latency
vifs via debugfs.

Signed-off-by: Eyal Shapira <eyalx.shapira@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/debugfs.c | 4 ++++
 drivers/net/wireless/iwlwifi/mvm/mvm.h     | 2 ++
 drivers/net/wireless/iwlwifi/mvm/ops.c     | 1 +
 drivers/net/wireless/iwlwifi/mvm/rs.c      | 8 +++++++-
 4 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 1fcbc23678c4..f85d4f4519f6 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -1447,6 +1447,10 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 		goto err;
 #endif
 
+	if (!debugfs_create_u8("low_latency_agg_frame_limit", S_IRUSR | S_IWUSR,
+			       mvm->debugfs_dir,
+			       &mvm->low_latency_agg_frame_limit))
+		goto err;
 	if (!debugfs_create_u8("ps_disabled", S_IRUSR,
 			       mvm->debugfs_dir, &mvm->ps_disabled))
 		goto err;
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index d6b00b97ae66..08cb26d86be2 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -727,6 +727,8 @@ struct iwl_mvm {
 
 	/* system time of last beacon (for AP/GO interface) */
 	u32 ap_last_beacon_gp2;
+
+	u8 low_latency_agg_frame_limit;
 };
 
 /* Extract MVM priv from op_mode and _hw */
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 610dbcb0dc27..e3be34f6aa41 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -415,6 +415,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		mvm->first_agg_queue = 12;
 	}
 	mvm->sf_state = SF_UNINIT;
+	mvm->low_latency_agg_frame_limit = 1;
 
 	mutex_init(&mvm->mutex);
 	mutex_init(&mvm->d0i3_suspend_mutex);
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index b7a1efcac480..940e0d025012 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -2855,9 +2855,15 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
 	 * Tx Fifo so that it can start a transaction in the same TxOP. This
 	 * basically allows the firmware to send bursts.
 	 */
-	if (iwl_mvm_vif_low_latency(mvmvif))
+	if (iwl_mvm_vif_low_latency(mvmvif)) {
 		lq_cmd->agg_frame_cnt_limit--;
 
+		if (mvm->low_latency_agg_frame_limit)
+			lq_cmd->agg_frame_cnt_limit =
+				min(lq_cmd->agg_frame_cnt_limit,
+				    mvm->low_latency_agg_frame_limit);
+	}
+
 	if (mvmsta->vif->p2p)
 		lq_cmd->flags |= LQ_FLAG_USE_RTS_MSK;
 

From 228670b2e6f8d32f11d27c5165fb42a2c77f062c Mon Sep 17 00:00:00 2001
From: Eliad Peller <eliad@wizery.com>
Date: Sun, 10 Aug 2014 17:00:15 +0300
Subject: [PATCH 13/36] iwlwifi: mvm: clear d0i3 state on recovery

If recovery happened after mvm entered d0i3 (e.g.
due to sysassert when releasing the bus), the
mvm->state wasn't cleared properly, causing the
ongoing recovery to fail (due to iwl_mvm_ref_sync
failure).

This in turn fails the ongoing recovery, and triggers
a reprobe, which terminates any ongoing wifi activity.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 83c2ce60cdbb..de4ae94f07e0 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -803,6 +803,9 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
 	 * ucode_down ref until reconfig is complete */
 	iwl_mvm_unref_all_except(mvm, IWL_MVM_REF_UCODE_DOWN);
 
+	/* clear any stale d0i3 state */
+	clear_bit(IWL_MVM_STATUS_IN_D0I3, &mvm->status);
+
 	mvm->vif_count = 0;
 	mvm->rx_ba_sessions = 0;
 }

From b1873300e15aff44c01f7c9bc275c2c6e414f2fa Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Fri, 8 Aug 2014 17:12:07 +0300
Subject: [PATCH 14/36] iwlwifi: mvm: re-enable ps when monitor interfaces are
 removed

If a monitor interface is added and then removed, we don't reset the
mvm->ps_disabled flag, so we never re-enable power saving.  Fix that
and rearrange the code a bit.

Additionally, fix a small indentation mistake in the
iwl_mvm_power_set_pm() function declaration.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c |  1 +
 drivers/net/wireless/iwlwifi/mvm/power.c    | 30 +++++++++++----------
 2 files changed, 17 insertions(+), 14 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index de4ae94f07e0..531540c54efb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -776,6 +776,7 @@ static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
 	iwl_trans_stop_device(mvm->trans);
 
 	mvm->scan_status = IWL_MVM_SCAN_NONE;
+	mvm->ps_disabled = false;
 
 	/* just in case one was running */
 	ieee80211_remain_on_channel_expired(mvm->hw);
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 8cbe7ea01a69..754f2b3eae64 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -566,9 +566,8 @@ static void iwl_mvm_power_iterator(void *_data, u8 *mac,
 	}
 }
 
-static void
-iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
-				    struct iwl_power_vifs *vifs)
+static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
+				 struct iwl_power_vifs *vifs)
 {
 	struct iwl_mvm_vif *bss_mvmvif = NULL;
 	struct iwl_mvm_vif *p2p_mvmvif = NULL;
@@ -830,7 +829,7 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 	struct iwl_power_vifs vifs = {
 		.mvm = mvm,
 	};
-	bool ba_enable;
+	bool ba_enable, disable_ps;
 	int ret;
 
 	lockdep_assert_held(&mvm->mutex);
@@ -838,16 +837,19 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 	iwl_mvm_power_set_pm(mvm, &vifs);
 
 	/* disable PS if CAM */
-	if (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM) {
-		mvm->ps_disabled = true;
-	} else {
-	/* don't update device power state unless we add / remove monitor */
-		if (vifs.monitor_vif) {
-			if (vifs.monitor_active)
-				mvm->ps_disabled = true;
-			ret = iwl_mvm_power_update_device(mvm);
-			if (ret)
-				return ret;
+	disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
+	/* ...or if there is an active monitor vif */
+	disable_ps |= (vifs.monitor_vif && vifs.monitor_active);
+
+	/* update device power state if it has changed */
+	if (mvm->ps_disabled != disable_ps) {
+		bool old_ps_disabled = mvm->ps_disabled;
+
+		mvm->ps_disabled = disable_ps;
+		ret = iwl_mvm_power_update_device(mvm);
+		if (ret) {
+			mvm->ps_disabled = old_ps_disabled;
+			return ret;
 		}
 	}
 

From 128aa948d0606e537b743fb8e29ce09fc3473137 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Fri, 8 Aug 2014 18:36:22 +0300
Subject: [PATCH 15/36] iwlwifi: mvm: refactor iwl_mvm_power_set_pm() to spin
 the ps part off

Separate the ps part of iwl_mvm_power_set_pm() into a new
iwl_mvm_power_set_ps() function.  This will enable us to update the ps
part independently from the rest, which is needed by CSA (at least).

This required a bit of refactoring and the creation of a new iterator
function.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/power.c | 60 +++++++++++++++++-------
 1 file changed, 43 insertions(+), 17 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 754f2b3eae64..42aaf57b6dfd 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -504,13 +504,20 @@ struct iwl_power_vifs {
 	bool p2p_tdls;
 };
 
-static void iwl_mvm_power_iterator(void *_data, u8 *mac,
-				   struct ieee80211_vif *vif)
+static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
+					      struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+	mvmvif->pm_enabled = false;
+}
+
+static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
+					    struct ieee80211_vif *vif)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	struct iwl_power_vifs *power_iterator = _data;
 
-	mvmvif->pm_enabled = false;
 	switch (ieee80211_vif_type_p2p(vif)) {
 	case NL80211_IFTYPE_P2P_DEVICE:
 		break;
@@ -577,10 +584,11 @@ static void iwl_mvm_power_set_pm(struct iwl_mvm *mvm,
 
 	lockdep_assert_held(&mvm->mutex);
 
-	/* get vifs info + set pm_enable to false */
+	/* set pm_enable to false */
 	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
-					    IEEE80211_IFACE_ITER_NORMAL,
-					    iwl_mvm_power_iterator, vifs);
+					IEEE80211_IFACE_ITER_NORMAL,
+					iwl_mvm_power_disable_pm_iterator,
+					NULL);
 
 	if (vifs->bss_vif)
 		bss_mvmvif = iwl_mvm_vif_from_mac80211(vifs->bss_vif);
@@ -823,23 +831,16 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 	return ret;
 }
 
-int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
+static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm,
+				struct iwl_power_vifs *vifs)
 {
-	struct iwl_mvm_vif *mvmvif;
-	struct iwl_power_vifs vifs = {
-		.mvm = mvm,
-	};
-	bool ba_enable, disable_ps;
+	bool disable_ps;
 	int ret;
 
-	lockdep_assert_held(&mvm->mutex);
-
-	iwl_mvm_power_set_pm(mvm, &vifs);
-
 	/* disable PS if CAM */
 	disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
 	/* ...or if there is an active monitor vif */
-	disable_ps |= (vifs.monitor_vif && vifs.monitor_active);
+	disable_ps |= (vifs->monitor_vif && vifs->monitor_active);
 
 	/* update device power state if it has changed */
 	if (mvm->ps_disabled != disable_ps) {
@@ -853,6 +854,31 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 		}
 	}
 
+	return 0;
+}
+
+int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
+{
+	struct iwl_mvm_vif *mvmvif;
+	struct iwl_power_vifs vifs = {
+		.mvm = mvm,
+	};
+	bool ba_enable;
+	int ret;
+
+	lockdep_assert_held(&mvm->mutex);
+
+	/* get vifs info */
+	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
+					IEEE80211_IFACE_ITER_NORMAL,
+					iwl_mvm_power_get_vifs_iterator, &vifs);
+
+	iwl_mvm_power_set_pm(mvm, &vifs);
+
+	ret = iwl_mvm_power_set_ps(mvm, &vifs);
+	if (ret)
+		return ret;
+
 	if (vifs.bss_vif) {
 		ret = iwl_mvm_power_send_cmd(mvm, vifs.bss_vif);
 		if (ret)

From ef9203d23fecf11e02958de0988170a67adf7447 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Fri, 8 Aug 2014 19:18:35 +0300
Subject: [PATCH 16/36] iwlwifi: mvm: add function to update only ps

Add a new iwl_mvm_power_update_ps() function that allows only ps to be
updated according to changes in the vifs.  This allows us to disable
ps only without affecting the pm values of the vifs (and to avoid
sending unnecessary MAC_PM_POWER_TABLE commands to the firmware).

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mvm.h   |  1 +
 drivers/net/wireless/iwlwifi/mvm/power.c | 52 ++++++++++++++++++------
 2 files changed, 41 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 08cb26d86be2..108ef161ee11 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -983,6 +983,7 @@ int rs_pretty_print_rate(char *buf, const u32 rate);
 /* power management */
 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
 int iwl_mvm_power_update_mac(struct iwl_mvm *mvm);
+int iwl_mvm_power_update_ps(struct iwl_mvm *mvm);
 int iwl_mvm_power_mac_dbgfs_read(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 				 char *buf, int bufsz);
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 42aaf57b6dfd..18f887aa32ae 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -857,13 +857,50 @@ static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm,
 	return 0;
 }
 
-int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
+static int iwl_mvm_power_set_ba(struct iwl_mvm *mvm,
+				struct iwl_power_vifs *vifs)
 {
 	struct iwl_mvm_vif *mvmvif;
+	bool ba_enable;
+
+	if (!vifs->bf_vif)
+		return 0;
+
+	mvmvif = iwl_mvm_vif_from_mac80211(vifs->bf_vif);
+
+	ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
+		      !vifs->bf_vif->bss_conf.ps ||
+		      iwl_mvm_vif_low_latency(mvmvif));
+
+	return iwl_mvm_update_beacon_abort(mvm, vifs->bf_vif, ba_enable);
+}
+
+int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
+{
+	struct iwl_power_vifs vifs = {
+		.mvm = mvm,
+	};
+	int ret;
+
+	lockdep_assert_held(&mvm->mutex);
+
+	/* get vifs info */
+	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
+					IEEE80211_IFACE_ITER_NORMAL,
+					iwl_mvm_power_get_vifs_iterator, &vifs);
+
+	ret = iwl_mvm_power_set_ps(mvm, &vifs);
+	if (ret)
+		return ret;
+
+	return iwl_mvm_power_set_ba(mvm, &vifs);
+}
+
+int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
+{
 	struct iwl_power_vifs vifs = {
 		.mvm = mvm,
 	};
-	bool ba_enable;
 	int ret;
 
 	lockdep_assert_held(&mvm->mutex);
@@ -891,16 +928,7 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 			return ret;
 	}
 
-	if (!vifs.bf_vif)
-		return 0;
-
-	mvmvif = iwl_mvm_vif_from_mac80211(vifs.bf_vif);
-
-	ba_enable = !(!mvmvif->pm_enabled || mvm->ps_disabled ||
-		      !vifs.bf_vif->bss_conf.ps ||
-		      iwl_mvm_vif_low_latency(mvmvif));
-
-	return iwl_mvm_update_beacon_abort(mvm, vifs.bf_vif, ba_enable);
+	return iwl_mvm_power_set_ba(mvm, &vifs);
 }
 
 int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,

From 2533edcee8aa311a24e5c0a7da955893ad65dc24 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Fri, 8 Aug 2014 19:50:46 +0300
Subject: [PATCH 17/36] iwlwifi: mvm: add option that allows a vif to disable
 PS

We need to disable PS when a monitor vif is active or, in the future,
when a channel switch is happening.  Add a boolean to mvmvif that
allows PS to be disabled generically.  Additionally, make the monitor
interface use this new flag when it gets activated.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c |  4 ++++
 drivers/net/wireless/iwlwifi/mvm/mvm.h      |  2 ++
 drivers/net/wireless/iwlwifi/mvm/power.c    | 25 ++++++++++++++++-----
 3 files changed, 25 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 531540c54efb..98e14f9c6fbe 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -2708,7 +2708,10 @@ static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
 		ret = 0;
 		goto out;
 	case NL80211_IFTYPE_STATION:
+		break;
 	case NL80211_IFTYPE_MONITOR:
+		/* always disable PS when a monitor interface is active */
+		mvmvif->ps_disabled = true;
 		break;
 	default:
 		ret = -EINVAL;
@@ -2784,6 +2787,7 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
 		goto out;
 	case NL80211_IFTYPE_MONITOR:
 		mvmvif->monitor_active = false;
+		mvmvif->ps_disabled = false;
 		break;
 	case NL80211_IFTYPE_AP:
 		/* This part is triggered only during CSA */
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 108ef161ee11..ffb509362828 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -326,6 +326,7 @@ struct iwl_mvm_vif_bf_data {
  *	interface should get quota etc.
  * @low_latency: indicates that this interface is in low-latency mode
  *	(VMACLowLatencyMode)
+ * @ps_disabled: indicates that this interface requires PS to be disabled
  * @queue_params: QoS params for this MAC
  * @bcast_sta: station used for broadcast packets. Used by the following
  *  vifs: P2P_DEVICE, GO and AP.
@@ -343,6 +344,7 @@ struct iwl_mvm_vif {
 	bool pm_enabled;
 	bool monitor_active;
 	bool low_latency;
+	bool ps_disabled;
 	struct iwl_mvm_vif_bf_data bf_data;
 
 	u32 ap_beacon_time;
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index 18f887aa32ae..b552183d0a31 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -512,6 +512,17 @@ static void iwl_mvm_power_disable_pm_iterator(void *_data, u8* mac,
 	mvmvif->pm_enabled = false;
 }
 
+static void iwl_mvm_power_ps_disabled_iterator(void *_data, u8* mac,
+					       struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	bool *disable_ps = _data;
+
+	if (mvmvif->phy_ctxt)
+		if (mvmvif->phy_ctxt->id < MAX_PHYS)
+			*disable_ps |= mvmvif->ps_disabled;
+}
+
 static void iwl_mvm_power_get_vifs_iterator(void *_data, u8 *mac,
 					    struct ieee80211_vif *vif)
 {
@@ -831,16 +842,18 @@ int iwl_mvm_disable_beacon_filter(struct iwl_mvm *mvm,
 	return ret;
 }
 
-static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm,
-				struct iwl_power_vifs *vifs)
+static int iwl_mvm_power_set_ps(struct iwl_mvm *mvm)
 {
 	bool disable_ps;
 	int ret;
 
 	/* disable PS if CAM */
 	disable_ps = (iwlmvm_mod_params.power_scheme == IWL_POWER_SCHEME_CAM);
-	/* ...or if there is an active monitor vif */
-	disable_ps |= (vifs->monitor_vif && vifs->monitor_active);
+	/* ...or if any of the vifs require PS to be off */
+	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
+					IEEE80211_IFACE_ITER_NORMAL,
+					iwl_mvm_power_ps_disabled_iterator,
+					&disable_ps);
 
 	/* update device power state if it has changed */
 	if (mvm->ps_disabled != disable_ps) {
@@ -889,7 +902,7 @@ int iwl_mvm_power_update_ps(struct iwl_mvm *mvm)
 					IEEE80211_IFACE_ITER_NORMAL,
 					iwl_mvm_power_get_vifs_iterator, &vifs);
 
-	ret = iwl_mvm_power_set_ps(mvm, &vifs);
+	ret = iwl_mvm_power_set_ps(mvm);
 	if (ret)
 		return ret;
 
@@ -912,7 +925,7 @@ int iwl_mvm_power_update_mac(struct iwl_mvm *mvm)
 
 	iwl_mvm_power_set_pm(mvm, &vifs);
 
-	ret = iwl_mvm_power_set_ps(mvm, &vifs);
+	ret = iwl_mvm_power_set_ps(mvm);
 	if (ret)
 		return ret;
 

From d20d37bc39766ecc31e68bc9cf238eab27a4157b Mon Sep 17 00:00:00 2001
From: Liad Kaufman <liad.kaufman@intel.com>
Date: Sun, 6 Jul 2014 17:14:39 +0300
Subject: [PATCH 18/36] iwlwifi: mvm: wait for TE notif when protecting TDLS
 session

Make sure that when running the TDLS discovery session
protection - the time event that ensures we remain on channel
has been scheduled and started running before leaving.

Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c   |  6 +-
 drivers/net/wireless/iwlwifi/mvm/time-event.c | 59 ++++++++++++++++++-
 drivers/net/wireless/iwlwifi/mvm/time-event.h |  6 +-
 3 files changed, 64 insertions(+), 7 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 98e14f9c6fbe..5bc7557d4efe 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1480,7 +1480,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
 				 */
 				u32 dur = (11 * vif->bss_conf.beacon_int) / 10;
 				iwl_mvm_protect_session(mvm, vif, dur, dur,
-							5 * dur);
+							5 * dur, false);
 			}
 
 			iwl_mvm_sf_update(mvm, vif, false);
@@ -2149,7 +2149,7 @@ static void iwl_mvm_mac_mgd_prepare_tx(struct ieee80211_hw *hw,
 
 	mutex_lock(&mvm->mutex);
 	/* Try really hard to protect the session and hear a beacon */
-	iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500);
+	iwl_mvm_protect_session(mvm, vif, duration, min_duration, 500, false);
 	mutex_unlock(&mvm->mutex);
 
 	iwl_mvm_unref(mvm, IWL_MVM_REF_PREPARE_TX);
@@ -2170,7 +2170,7 @@ static void iwl_mvm_mac_mgd_protect_tdls_discover(struct ieee80211_hw *hw,
 
 	mutex_lock(&mvm->mutex);
 	/* Protect the session to hear the TDLS setup response on the channel */
-	iwl_mvm_protect_session(mvm, vif, duration, duration, 100);
+	iwl_mvm_protect_session(mvm, vif, duration, duration, 100, true);
 	mutex_unlock(&mvm->mutex);
 
 	iwl_mvm_unref(mvm, IWL_MVM_REF_PROTECT_TDLS);
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c
index 33e5041f1efc..51c610f6d17b 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c
@@ -348,6 +348,38 @@ unlock:
 	return 0;
 }
 
+static bool iwl_mvm_te_notif(struct iwl_notif_wait_data *notif_wait,
+			     struct iwl_rx_packet *pkt, void *data)
+{
+	struct iwl_mvm *mvm =
+		container_of(notif_wait, struct iwl_mvm, notif_wait);
+	struct iwl_mvm_time_event_data *te_data = data;
+	struct iwl_time_event_notif *resp;
+	int resp_len = iwl_rx_packet_payload_len(pkt);
+
+	if (WARN_ON(pkt->hdr.cmd != TIME_EVENT_NOTIFICATION))
+		return true;
+
+	if (WARN_ON_ONCE(resp_len != sizeof(*resp))) {
+		IWL_ERR(mvm, "Invalid TIME_EVENT_NOTIFICATION response\n");
+		return true;
+	}
+
+	resp = (void *)pkt->data;
+
+	/* te_data->uid is already set in the TIME_EVENT_CMD response */
+	if (le32_to_cpu(resp->unique_id) != te_data->uid)
+		return false;
+
+	IWL_DEBUG_TE(mvm, "TIME_EVENT_NOTIFICATION response - UID = 0x%x\n",
+		     te_data->uid);
+	if (!resp->status)
+		IWL_ERR(mvm,
+			"TIME_EVENT_NOTIFICATION received but not executed\n");
+
+	return true;
+}
+
 static bool iwl_mvm_time_event_response(struct iwl_notif_wait_data *notif_wait,
 					struct iwl_rx_packet *pkt, void *data)
 {
@@ -441,10 +473,12 @@ static int iwl_mvm_time_event_send_add(struct iwl_mvm *mvm,
 void iwl_mvm_protect_session(struct iwl_mvm *mvm,
 			     struct ieee80211_vif *vif,
 			     u32 duration, u32 min_duration,
-			     u32 max_delay)
+			     u32 max_delay, bool wait_for_notif)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	struct iwl_mvm_time_event_data *te_data = &mvmvif->time_event_data;
+	const u8 te_notif_response[] = { TIME_EVENT_NOTIFICATION };
+	struct iwl_notification_wait wait_te_notif;
 	struct iwl_time_event_cmd time_cmd = {};
 
 	lockdep_assert_held(&mvm->mutex);
@@ -489,7 +523,28 @@ void iwl_mvm_protect_session(struct iwl_mvm *mvm,
 				      TE_V2_NOTIF_HOST_EVENT_END |
 				      T2_V2_START_IMMEDIATELY);
 
-	iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
+	if (!wait_for_notif) {
+		iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd);
+		return;
+	}
+
+	/*
+	 * Create notification_wait for the TIME_EVENT_NOTIFICATION to use
+	 * right after we send the time event
+	 */
+	iwl_init_notification_wait(&mvm->notif_wait, &wait_te_notif,
+				   te_notif_response,
+				   ARRAY_SIZE(te_notif_response),
+				   iwl_mvm_te_notif, te_data);
+
+	/* If TE was sent OK - wait for the notification that started */
+	if (iwl_mvm_time_event_send_add(mvm, vif, te_data, &time_cmd)) {
+		IWL_ERR(mvm, "Failed to add TE to protect session\n");
+		iwl_remove_notification(&mvm->notif_wait, &wait_te_notif);
+	} else if (iwl_wait_notification(&mvm->notif_wait, &wait_te_notif,
+					 TU_TO_JIFFIES(max_delay))) {
+		IWL_ERR(mvm, "Failed to protect session until TE\n");
+	}
 }
 
 /*
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.h b/drivers/net/wireless/iwlwifi/mvm/time-event.h
index 2f48a90d4ad3..9126379ff2c6 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.h
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.h
@@ -124,10 +124,12 @@
  * @min_duration: will start a new session if the current session will end
  *	in less than min_duration.
  * @max_delay: maximum delay before starting the time event (in TU)
+ * @wait_for_notif: true if it is required that a time event notification be
+ *	waited for (that the time event has been scheduled before returning)
  *
  * This function can be used to start a session protection which means that the
  * fw will stay on the channel for %duration_ms milliseconds. This function
- * will block (sleep) until the session starts. This function can also be used
+ * can block (sleep) until the session starts. This function can also be used
  * to extend a currently running session.
  * This function is meant to be used for BSS association for example, where we
  * want to make sure that the fw stays on the channel during the association.
@@ -135,7 +137,7 @@
 void iwl_mvm_protect_session(struct iwl_mvm *mvm,
 			     struct ieee80211_vif *vif,
 			     u32 duration, u32 min_duration,
-			     u32 max_delay);
+			     u32 max_delay, bool wait_for_notif);
 
 /**
  * iwl_mvm_stop_session_protection - cancel the session protection.

From 680073b78a5ac2b559bb7315528aa9f95e57ae24 Mon Sep 17 00:00:00 2001
From: Avri Altman <avri.altman@intel.com>
Date: Mon, 14 Jul 2014 09:40:27 +0300
Subject: [PATCH 19/36] iwlwifi: consolidate hw scheduler configuration code

Configuring the hw scheduler during queue enablement is done by
writing the appropriate values to the scheduler peripherals, and
it is essentially the same for all buses.

Whenever writing is done via the standard iwl_write_prph, we can
avoid duplicating the code for each bus. Those operations are
queue deactivation, RA/TID mapping, chain-building settings,
enabling/disabling aggregations and activating/deactivating the
TX FIFOs.

Consolidate this code using static inlines in a new header file.

Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-scd.h | 112 +++++++++++++++++++++++++
 drivers/net/wireless/iwlwifi/pcie/tx.c |  39 ++-------
 2 files changed, 121 insertions(+), 30 deletions(-)
 create mode 100644 drivers/net/wireless/iwlwifi/iwl-scd.h

diff --git a/drivers/net/wireless/iwlwifi/iwl-scd.h b/drivers/net/wireless/iwlwifi/iwl-scd.h
new file mode 100644
index 000000000000..5f099d45c09a
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-scd.h
@@ -0,0 +1,112 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2014 Intel Mobile Communications GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called COPYING.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2014 Intel Mobile Communications GmbH
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name Intel Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+
+#ifndef __iwl_scd_h__
+#define __iwl_scd_h__
+
+#include "iwl-trans.h"
+#include "iwl-io.h"
+#include "iwl-prph.h"
+
+
+static inline void iwl_scd_txq_set_inactive(struct iwl_trans *trans,
+					    u16 txq_id)
+{
+	iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
+		       (0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
+		       (1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
+}
+
+static inline void iwl_scd_txq_set_chain(struct iwl_trans *trans,
+					 u16 txq_id)
+{
+	iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
+}
+
+static inline void iwl_scd_txq_enable_agg(struct iwl_trans *trans,
+					  u16 txq_id)
+{
+	iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
+}
+
+static inline void iwl_scd_txq_disable_agg(struct iwl_trans *trans,
+					   u16 txq_id)
+{
+	iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
+}
+
+static inline void iwl_scd_disable_agg(struct iwl_trans *trans)
+{
+	iwl_set_bits_prph(trans, SCD_AGGR_SEL, 0);
+}
+
+static inline void iwl_scd_activate_fifos(struct iwl_trans *trans)
+{
+	iwl_write_prph(trans, SCD_TXFACT, IWL_MASK(0, 7));
+}
+
+static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)
+{
+	iwl_write_prph(trans, SCD_TXFACT, 0);
+}
+#endif
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 6acccb19c4f3..84c3a0115c4d 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -34,6 +34,7 @@
 #include "iwl-csr.h"
 #include "iwl-prph.h"
 #include "iwl-io.h"
+#include "iwl-scd.h"
 #include "iwl-op-mode.h"
 #include "internal.h"
 /* FIXME: need to abstract out TX command (once we know what it looks like) */
@@ -644,17 +645,6 @@ static void iwl_pcie_txq_free(struct iwl_trans *trans, int txq_id)
 	memset(txq, 0, sizeof(*txq));
 }
 
-/*
- * Activate/Deactivate Tx DMA/FIFO channels according tx fifos mask
- */
-static void iwl_pcie_txq_set_sched(struct iwl_trans *trans, u32 mask)
-{
-	struct iwl_trans_pcie __maybe_unused *trans_pcie =
-		IWL_TRANS_GET_PCIE_TRANS(trans);
-
-	iwl_write_prph(trans, SCD_TXFACT, mask);
-}
-
 void iwl_pcie_tx_start(struct iwl_trans *trans, u32 scd_base_addr)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
@@ -692,7 +682,7 @@ void iwl_pcie_tx_start(struct iwl_trans *trans, u32 scd_base_addr)
 				trans_pcie->cmd_fifo);
 
 	/* Activate all Tx DMA/FIFO channels */
-	iwl_pcie_txq_set_sched(trans, IWL_MASK(0, 7));
+	iwl_scd_activate_fifos(trans);
 
 	/* Enable DMA channel */
 	for (chan = 0; chan < FH_TCSR_CHNL_NUM; chan++)
@@ -745,7 +735,7 @@ int iwl_pcie_tx_stop(struct iwl_trans *trans)
 	/* Turn off all Tx DMA fifos */
 	spin_lock(&trans_pcie->irq_lock);
 
-	iwl_pcie_txq_set_sched(trans, 0);
+	iwl_scd_deactivate_fifos(trans);
 
 	/* Stop each Tx DMA channel, and wait for it to be idle */
 	for (ch = 0; ch < FH_TCSR_CHNL_NUM; ch++) {
@@ -886,7 +876,7 @@ int iwl_pcie_tx_init(struct iwl_trans *trans)
 	spin_lock(&trans_pcie->irq_lock);
 
 	/* Turn off all Tx DMA fifos */
-	iwl_write_prph(trans, SCD_TXFACT, 0);
+	iwl_scd_deactivate_fifos(trans);
 
 	/* Tell NIC where to find the "keep warm" buffer */
 	iwl_write_direct32(trans, FH_KW_MEM_ADDR_REG,
@@ -1072,17 +1062,6 @@ static int iwl_pcie_txq_set_ratid_map(struct iwl_trans *trans, u16 ra_tid,
 	return 0;
 }
 
-static inline void iwl_pcie_txq_set_inactive(struct iwl_trans *trans,
-					     u16 txq_id)
-{
-	/* Simply stop the queue, but don't change any configuration;
-	 * the SCD_ACT_EN bit is the write-enable mask for the ACTIVE bit. */
-	iwl_write_prph(trans,
-		SCD_QUEUE_STATUS_BITS(txq_id),
-		(0 << SCD_QUEUE_STTS_REG_POS_ACTIVE)|
-		(1 << SCD_QUEUE_STTS_REG_POS_SCD_ACT_EN));
-}
-
 /* Receiver address (actually, Rx station's index into station table),
  * combined with Traffic ID (QOS priority), in format used by Tx Scheduler */
 #define BUILD_RAxTID(sta_id, tid)	(((sta_id) << 4) + (tid))
@@ -1096,11 +1075,11 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
 		WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
 
 	/* Stop this Tx queue before configuring it */
-	iwl_pcie_txq_set_inactive(trans, txq_id);
+	iwl_scd_txq_set_inactive(trans, txq_id);
 
 	/* Set this queue as a chain-building queue unless it is CMD queue */
 	if (txq_id != trans_pcie->cmd_queue)
-		iwl_set_bits_prph(trans, SCD_QUEUECHAIN_SEL, BIT(txq_id));
+		iwl_scd_txq_set_chain(trans, txq_id);
 
 	/* If this queue is mapped to a certain station: it is an AGG queue */
 	if (sta_id >= 0) {
@@ -1110,7 +1089,7 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
 		iwl_pcie_txq_set_ratid_map(trans, ra_tid, txq_id);
 
 		/* enable aggregations for the queue */
-		iwl_set_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
+		iwl_scd_txq_enable_agg(trans, txq_id);
 		trans_pcie->txq[txq_id].ampdu = true;
 	} else {
 		/*
@@ -1118,7 +1097,7 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
 		 * ra_tid mapping configuration irrelevant since it is now a
 		 * non-AGG queue.
 		 */
-		iwl_clear_bits_prph(trans, SCD_AGGR_SEL, BIT(txq_id));
+		iwl_scd_txq_disable_agg(trans, txq_id);
 
 		ssn = trans_pcie->txq[txq_id].q.read_ptr;
 	}
@@ -1172,7 +1151,7 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
 		return;
 	}
 
-	iwl_pcie_txq_set_inactive(trans, txq_id);
+	iwl_scd_txq_set_inactive(trans, txq_id);
 
 	iwl_trans_write_mem(trans, stts_addr, (void *)zero_val,
 			    ARRAY_SIZE(zero_val));

From fea7795f1c976513a3262284c4001606075abf5c Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 1 Aug 2014 11:58:47 +0200
Subject: [PATCH 20/36] iwlwifi: trans: refactor txq_enable arguments

Instead of having all arguments passed to the function,
add a struct to hold them and only pass some directly.

This will make future work in this area cleaner.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-trans.h     | 21 ++++++++++++++++----
 drivers/net/wireless/iwlwifi/pcie/internal.h |  4 ++--
 drivers/net/wireless/iwlwifi/pcie/tx.c       | 13 ++++++------
 3 files changed, 26 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 656371a668da..c198dde339c6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -401,6 +401,13 @@ struct iwl_trans_dump_data {
 
 struct iwl_trans;
 
+struct iwl_trans_txq_scd_cfg {
+	u8 fifo;
+	s8 sta_id;
+	u8 tid;
+	int frame_limit;
+};
+
 /**
  * struct iwl_trans_ops - transport specific operations
  *
@@ -492,8 +499,8 @@ struct iwl_trans_ops {
 	void (*reclaim)(struct iwl_trans *trans, int queue, int ssn,
 			struct sk_buff_head *skbs);
 
-	void (*txq_enable)(struct iwl_trans *trans, int queue, int fifo,
-			   int sta_id, int tid, int frame_limit, u16 ssn);
+	void (*txq_enable)(struct iwl_trans *trans, int queue, u16 ssn,
+			   const struct iwl_trans_txq_scd_cfg *cfg);
 	void (*txq_disable)(struct iwl_trans *trans, int queue);
 
 	int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir);
@@ -775,13 +782,19 @@ static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
 					int fifo, int sta_id, int tid,
 					int frame_limit, u16 ssn)
 {
+	struct iwl_trans_txq_scd_cfg cfg = {
+		.fifo = fifo,
+		.sta_id = sta_id,
+		.tid = tid,
+		.frame_limit = frame_limit,
+	};
+
 	might_sleep();
 
 	if (unlikely((trans->state != IWL_TRANS_FW_ALIVE)))
 		IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
 
-	trans->ops->txq_enable(trans, queue, fifo, sta_id, tid,
-				 frame_limit, ssn);
+	trans->ops->txq_enable(trans, queue, ssn, &cfg);
 }
 
 static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue,
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index 78f72c34438a..5760405a9cad 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -364,8 +364,8 @@ int iwl_pcie_tx_init(struct iwl_trans *trans);
 void iwl_pcie_tx_start(struct iwl_trans *trans, u32 scd_base_addr);
 int iwl_pcie_tx_stop(struct iwl_trans *trans);
 void iwl_pcie_tx_free(struct iwl_trans *trans);
-void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
-			       int sta_id, int tid, int frame_limit, u16 ssn);
+void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int queue, u16 ssn,
+			       const struct iwl_trans_txq_scd_cfg *cfg);
 void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue);
 int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
 		      struct iwl_device_cmd *dev_cmd, int txq_id);
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 84c3a0115c4d..5c95386c72bf 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1066,10 +1066,11 @@ static int iwl_pcie_txq_set_ratid_map(struct iwl_trans *trans, u16 ra_tid,
  * combined with Traffic ID (QOS priority), in format used by Tx Scheduler */
 #define BUILD_RAxTID(sta_id, tid)	(((sta_id) << 4) + (tid))
 
-void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
-			       int sta_id, int tid, int frame_limit, u16 ssn)
+void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
+			       const struct iwl_trans_txq_scd_cfg *cfg)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
+	u8 frame_limit = cfg->frame_limit;
 
 	if (test_and_set_bit(txq_id, trans_pcie->queue_used))
 		WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
@@ -1082,8 +1083,8 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
 		iwl_scd_txq_set_chain(trans, txq_id);
 
 	/* If this queue is mapped to a certain station: it is an AGG queue */
-	if (sta_id >= 0) {
-		u16 ra_tid = BUILD_RAxTID(sta_id, tid);
+	if (cfg->sta_id >= 0) {
+		u16 ra_tid = BUILD_RAxTID(cfg->sta_id, cfg->tid);
 
 		/* Map receiver-address / traffic-ID to this queue */
 		iwl_pcie_txq_set_ratid_map(trans, ra_tid, txq_id);
@@ -1124,12 +1125,12 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo,
 	/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
 	iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
 		       (1 << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
-		       (fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
+		       (cfg->fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
 		       (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
 		       SCD_QUEUE_STTS_REG_MSK);
 	trans_pcie->txq[txq_id].active = true;
 	IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d WrPtr: %d\n",
-			    txq_id, fifo, ssn & 0xff);
+			    txq_id, cfg->fifo, ssn & 0xff);
 }
 
 void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)

From 2ce89cd6dfc2ea57497ab38f88d4878c06869a81 Mon Sep 17 00:00:00 2001
From: David Spinadel <david.spinadel@intel.com>
Date: Tue, 22 Jul 2014 13:11:18 +0300
Subject: [PATCH 21/36] iwlwifi: mvm: enable passive fragmented scan changes

Enable fragmented scan that was diabled due to a FW bug.
New fixed FWs use a TLV bit to advertise fragmented scan support.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-fw.h   |  3 ++
 drivers/net/wireless/iwlwifi/mvm/scan.c | 48 ++++++++++++++++++++-----
 2 files changed, 42 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h
index 1bb5193c5b1b..99e0ec4635ee 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -125,6 +125,8 @@ enum iwl_ucode_tlv_flag {
  * @IWL_UCODE_TLV_API_CSA_FLOW: ucode can do unbind-bind flow for CSA.
  * @IWL_UCODE_TLV_API_DISABLE_STA_TX: ucode supports tx_disable bit.
  * @IWL_UCODE_TLV_API_LMAC_SCAN: This ucode uses LMAC unified scan API.
+ * @IWL_UCODE_TLV_API_FRAGMENTED_SCAN: This ucode supports active dwell time
+ *	longer than the passive one, which is essential for fragmented scan.
  */
 enum iwl_ucode_tlv_api {
 	IWL_UCODE_TLV_API_WOWLAN_CONFIG_TID	= BIT(0),
@@ -133,6 +135,7 @@ enum iwl_ucode_tlv_api {
 	IWL_UCODE_TLV_API_CSA_FLOW		= BIT(4),
 	IWL_UCODE_TLV_API_DISABLE_STA_TX	= BIT(5),
 	IWL_UCODE_TLV_API_LMAC_SCAN		= BIT(6),
+	IWL_UCODE_TLV_API_FRAGMENTED_SCAN	= BIT(8),
 };
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index 004b1f5d0314..d01954dcc75d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -279,6 +279,7 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
 {
 	bool global_bound = false;
 	enum ieee80211_band band;
+	u8 frag_passive_dwell = 0;
 
 	ieee80211_iterate_active_interfaces_atomic(mvm->hw,
 					    IEEE80211_IFACE_ITER_NORMAL,
@@ -288,12 +289,36 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
 	if (!global_bound)
 		goto not_bound;
 
-	params->suspend_time = 100;
-	params->max_out_time = 600;
+	params->suspend_time = 30;
+	params->max_out_time = 170;
 
 	if (iwl_mvm_low_latency(mvm)) {
-		params->suspend_time = 250;
-		params->max_out_time = 250;
+		if (mvm->fw->ucode_capa.api[0] &
+		    IWL_UCODE_TLV_API_FRAGMENTED_SCAN) {
+			params->suspend_time = 105;
+			params->max_out_time = 70;
+			frag_passive_dwell = 20;
+		} else {
+			params->suspend_time = 120;
+			params->max_out_time = 120;
+		}
+	}
+
+	if (frag_passive_dwell && (mvm->fw->ucode_capa.api[0] &
+				   IWL_UCODE_TLV_API_FRAGMENTED_SCAN)) {
+		/*
+		 * P2P device scan should not be fragmented to avoid negative
+		 * impact on P2P device discovery. Configure max_out_time to be
+		 * equal to dwell time on passive channel. Take a longest
+		 * possible value, one that corresponds to 2GHz band
+		 */
+		if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
+			u32 passive_dwell =
+				iwl_mvm_get_passive_dwell(IEEE80211_BAND_2GHZ);
+			params->max_out_time = passive_dwell;
+		} else {
+			params->passive_fragmented = true;
+		}
 	}
 
 	if (flags & NL80211_SCAN_FLAG_LOW_PRIORITY)
@@ -302,7 +327,11 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
 not_bound:
 
 	for (band = IEEE80211_BAND_2GHZ; band < IEEE80211_NUM_BANDS; band++) {
-		params->dwell[band].passive = iwl_mvm_get_passive_dwell(band);
+		if (params->passive_fragmented)
+			params->dwell[band].passive = frag_passive_dwell;
+		else
+			params->dwell[band].passive =
+				iwl_mvm_get_passive_dwell(band);
 		params->dwell[band].active = iwl_mvm_get_active_dwell(band,
 								      n_ssids);
 	}
@@ -1100,10 +1129,11 @@ iwl_mvm_build_generic_unified_scan_cmd(struct iwl_mvm *mvm,
 				       struct iwl_mvm_scan_params *params)
 {
 	memset(cmd, 0, ksize(cmd));
-	cmd->active_dwell = (u8)params->dwell[IEEE80211_BAND_2GHZ].active;
-	cmd->passive_dwell = (u8)params->dwell[IEEE80211_BAND_2GHZ].passive;
-	/* TODO: Use params; now fragmented isn't used. */
-	cmd->fragmented_dwell = 0;
+	cmd->active_dwell = params->dwell[IEEE80211_BAND_2GHZ].active;
+	cmd->passive_dwell = params->dwell[IEEE80211_BAND_2GHZ].passive;
+	if (params->passive_fragmented)
+		cmd->fragmented_dwell =
+				params->dwell[IEEE80211_BAND_2GHZ].passive;
 	cmd->rx_chain_select = iwl_mvm_scan_rx_chain(mvm);
 	cmd->max_out_time = cpu_to_le32(params->max_out_time);
 	cmd->suspend_time = cpu_to_le32(params->suspend_time);

From a43ad46a450b1a4466f34b057522f56c125710fb Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 4 Aug 2014 16:39:54 +0200
Subject: [PATCH 22/36] iwlwifi: mvm: add some debugging to quota allocation

In order to follow more easily what's going on, add some
debug statements to the quota allocation algorithm.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-debug.h |  2 ++
 drivers/net/wireless/iwlwifi/mvm/quota.c | 12 ++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 295083510e72..0a70bcd241f5 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -145,6 +145,7 @@ do {                                            			\
 #define IWL_DL_HCMD		0x00000004
 #define IWL_DL_STATE		0x00000008
 /* 0x000000F0 - 0x00000010 */
+#define IWL_DL_QUOTA		0x00000010
 #define IWL_DL_TE		0x00000020
 #define IWL_DL_EEPROM		0x00000040
 #define IWL_DL_RADIO		0x00000080
@@ -189,6 +190,7 @@ do {                                            			\
 #define IWL_DEBUG_LED(p, f, a...)	IWL_DEBUG(p, IWL_DL_LED, f, ## a)
 #define IWL_DEBUG_WEP(p, f, a...)	IWL_DEBUG(p, IWL_DL_WEP, f, ## a)
 #define IWL_DEBUG_HC(p, f, a...)	IWL_DEBUG(p, IWL_DL_HCMD, f, ## a)
+#define IWL_DEBUG_QUOTA(p, f, a...)	IWL_DEBUG(p, IWL_DL_QUOTA, f, ## a)
 #define IWL_DEBUG_TE(p, f, a...)	IWL_DEBUG(p, IWL_DL_TE, f, ## a)
 #define IWL_DEBUG_EEPROM(d, f, a...)	IWL_DEBUG_DEV(d, IWL_DL_EEPROM, f, ## a)
 #define IWL_DEBUG_CALIB(p, f, a...)	IWL_DEBUG(p, IWL_DL_CALIB, f, ## a)
diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c
index 4e20b3ce2b6a..300639ce78be 100644
--- a/drivers/net/wireless/iwlwifi/mvm/quota.c
+++ b/drivers/net/wireless/iwlwifi/mvm/quota.c
@@ -161,6 +161,9 @@ static void iwl_mvm_adjust_quota_for_noa(struct iwl_mvm *mvm,
 		quota *= (beacon_int - mvm->noa_duration);
 		quota /= beacon_int;
 
+		IWL_DEBUG_QUOTA(mvm, "quota: adjust for NoA from %d to %d\n",
+				le32_to_cpu(cmd->quotas[i].quota), quota);
+
 		cmd->quotas[i].quota = cpu_to_le32(quota);
 	}
 #endif
@@ -222,6 +225,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
 		quota = (QUOTA_100 - QUOTA_LOWLAT_MIN) / n_non_lowlat;
 		quota_rem = QUOTA_100 - n_non_lowlat * quota -
 			    QUOTA_LOWLAT_MIN;
+		IWL_DEBUG_QUOTA(mvm,
+				"quota: low-latency binding active, remaining quota per other binding: %d\n",
+				quota);
 	} else if (num_active_macs) {
 		/*
 		 * There are 0 or more than 1 low latency bindings, or all the
@@ -230,6 +236,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
 		 */
 		quota = QUOTA_100 / num_active_macs;
 		quota_rem = QUOTA_100 % num_active_macs;
+		IWL_DEBUG_QUOTA(mvm,
+				"quota: splitting evenly per binding: %d\n",
+				quota);
 	} else {
 		/* values don't really matter - won't be used */
 		quota = 0;
@@ -271,6 +280,9 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm,
 	for (i = 0; i < MAX_BINDINGS; i++) {
 		if (le32_to_cpu(cmd.quotas[i].quota) != 0) {
 			le32_add_cpu(&cmd.quotas[i].quota, quota_rem);
+			IWL_DEBUG_QUOTA(mvm,
+					"quota: giving remainder of %d to binding %d\n",
+					quota_rem, i);
 			break;
 		}
 	}

From 532cf5c683ab027091ffc19d45e3a67a49f76f5d Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Tue, 5 Aug 2014 10:36:54 +0200
Subject: [PATCH 23/36] iwlwifi: don't export tracepoints unnecessarily

The tracepoints that are only used in code linked with iwlwifi.ko,
as are the tracepoints, don't need to be exported, so don't.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-devtrace.c | 7 -------
 1 file changed, 7 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
index 23e7351e02de..90987d6f348e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-devtrace.c
+++ b/drivers/net/wireless/iwlwifi/iwl-devtrace.c
@@ -36,15 +36,8 @@
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_iowrite8);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ioread32);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_iowrite32);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_rx);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_tx);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_event);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_error);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_cont_event);
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_wrap_event);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_info);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_warn);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_crit);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_err);
-EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dbg);
 #endif

From 0ade579cce06806353e5f601ff3285a0a7d1e398 Mon Sep 17 00:00:00 2001
From: Eran Harary <eran.harary@intel.com>
Date: Mon, 4 Aug 2014 12:21:05 +0300
Subject: [PATCH 24/36] iwlwifi: mvm: fix comment typo

Signed-off-by: Eran Harary <eran.harary@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/ops.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index e3be34f6aa41..166d17c48f85 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -495,7 +495,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 		goto out_free;
 
 	/*
-	 * Even if nvm exists in the nvm_file driver should read agin the nvm
+	 * Even if nvm exists in the nvm_file driver should read again the nvm
 	 * from the nic because there might be entries that exist in the OTP
 	 * and not in the file.
 	 * for nics with no_power_up_nic_in_init: rely completley on nvm_file

From d4578ea810ce468fdb8e1b7014818c31db9be5e2 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 1 Aug 2014 12:17:40 +0200
Subject: [PATCH 25/36] iwlwifi: trans: allow skipping scheduler hardware
 config

In a later patch, the hardware configuration will be moved to
firmware. Prepare for this by allowing hardware configuration
in the transport to be skipped by not passing a configuration
on enable and passing configure_scd=false on disable.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/dvm/tx.c        |  6 +-
 drivers/net/wireless/iwlwifi/iwl-trans.h     | 47 +++++++---
 drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c  |  8 +-
 drivers/net/wireless/iwlwifi/mvm/sta.c       |  4 +-
 drivers/net/wireless/iwlwifi/mvm/tx.c        |  2 +-
 drivers/net/wireless/iwlwifi/pcie/internal.h |  3 +-
 drivers/net/wireless/iwlwifi/pcie/tx.c       | 97 +++++++++++---------
 7 files changed, 103 insertions(+), 64 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index 3255a1723d17..d1ce3ce13591 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -580,7 +580,7 @@ turn_off:
 		 * time, or we hadn't time to drain the AC queues.
 		 */
 		if (agg_state == IWL_AGG_ON)
-			iwl_trans_txq_disable(priv->trans, txq_id);
+			iwl_trans_txq_disable(priv->trans, txq_id, true);
 		else
 			IWL_DEBUG_TX_QUEUES(priv, "Don't disable tx agg: %d\n",
 					    agg_state);
@@ -686,7 +686,7 @@ int iwlagn_tx_agg_flush(struct iwl_priv *priv, struct ieee80211_vif *vif,
 		 * time, or we hadn't time to drain the AC queues.
 		 */
 		if (agg_state == IWL_AGG_ON)
-			iwl_trans_txq_disable(priv->trans, txq_id);
+			iwl_trans_txq_disable(priv->trans, txq_id, true);
 		else
 			IWL_DEBUG_TX_QUEUES(priv, "Don't disable tx agg: %d\n",
 					    agg_state);
@@ -781,7 +781,7 @@ static void iwlagn_check_ratid_empty(struct iwl_priv *priv, int sta_id, u8 tid)
 				"Can continue DELBA flow ssn = next_recl = %d\n",
 				tid_data->next_reclaimed);
 			iwl_trans_txq_disable(priv->trans,
-					      tid_data->agg.txq_id);
+					      tid_data->agg.txq_id, true);
 			iwlagn_dealloc_agg_txq(priv, tid_data->agg.txq_id);
 			tid_data->agg.state = IWL_AGG_OFF;
 			ieee80211_stop_tx_ba_cb_irqsafe(vif, addr, tid);
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index c198dde339c6..dd3aefc0ad2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -444,7 +444,9 @@ struct iwl_trans_txq_scd_cfg {
  *	Must be atomic
  * @txq_enable: setup a queue. To setup an AC queue, use the
  *	iwl_trans_ac_txq_enable wrapper. fw_alive must have been called before
- *	this one. The op_mode must not configure the HCMD queue. May sleep.
+ *	this one. The op_mode must not configure the HCMD queue. The scheduler
+ *	configuration may be %NULL, in which case the hardware will not be
+ *	configured. May sleep.
  * @txq_disable: de-configure a Tx queue to send AMPDUs
  *	Must be atomic
  * @wait_tx_queue_empty: wait until tx queues are empty. May sleep.
@@ -501,7 +503,8 @@ struct iwl_trans_ops {
 
 	void (*txq_enable)(struct iwl_trans *trans, int queue, u16 ssn,
 			   const struct iwl_trans_txq_scd_cfg *cfg);
-	void (*txq_disable)(struct iwl_trans *trans, int queue);
+	void (*txq_disable)(struct iwl_trans *trans, int queue,
+			    bool configure_scd);
 
 	int (*dbgfs_register)(struct iwl_trans *trans, struct dentry* dir);
 	int (*wait_tx_queue_empty)(struct iwl_trans *trans, u32 txq_bm);
@@ -773,9 +776,22 @@ static inline void iwl_trans_reclaim(struct iwl_trans *trans, int queue,
 	trans->ops->reclaim(trans, queue, ssn, skbs);
 }
 
-static inline void iwl_trans_txq_disable(struct iwl_trans *trans, int queue)
+static inline void iwl_trans_txq_disable(struct iwl_trans *trans, int queue,
+					 bool configure_scd)
 {
-	trans->ops->txq_disable(trans, queue);
+	trans->ops->txq_disable(trans, queue, configure_scd);
+}
+
+static inline void
+iwl_trans_txq_enable_cfg(struct iwl_trans *trans, int queue, u16 ssn,
+			 const struct iwl_trans_txq_scd_cfg *cfg)
+{
+	might_sleep();
+
+	if (unlikely((trans->state != IWL_TRANS_FW_ALIVE)))
+		IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
+
+	trans->ops->txq_enable(trans, queue, ssn, cfg);
 }
 
 static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
@@ -789,19 +805,26 @@ static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
 		.frame_limit = frame_limit,
 	};
 
-	might_sleep();
-
-	if (unlikely((trans->state != IWL_TRANS_FW_ALIVE)))
-		IWL_ERR(trans, "%s bad state = %d\n", __func__, trans->state);
-
-	trans->ops->txq_enable(trans, queue, ssn, &cfg);
+	iwl_trans_txq_enable_cfg(trans, queue, ssn, &cfg);
 }
 
 static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue,
 					   int fifo)
 {
-	iwl_trans_txq_enable(trans, queue, fifo, -1,
-			     IWL_MAX_TID_COUNT, IWL_FRAME_LIMIT, 0);
+	struct iwl_trans_txq_scd_cfg cfg = {
+		.fifo = fifo,
+		.sta_id = -1,
+		.tid = IWL_MAX_TID_COUNT,
+		.frame_limit = IWL_FRAME_LIMIT,
+	};
+
+	iwl_trans_txq_enable_cfg(trans, queue, 0, &cfg);
+}
+
+static inline void
+iwl_trans_txq_enable_no_scd(struct iwl_trans *trans, int queue, u16 ssn)
+{
+	iwl_trans_txq_enable_cfg(trans, queue, ssn, NULL);
 }
 
 static inline int iwl_trans_wait_tx_queue_empty(struct iwl_trans *trans,
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index 0e523e28cabf..08162043c897 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -452,14 +452,16 @@ void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 
 	switch (vif->type) {
 	case NL80211_IFTYPE_P2P_DEVICE:
-		iwl_trans_txq_disable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE);
+		iwl_trans_txq_disable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE,
+				      true);
 		break;
 	case NL80211_IFTYPE_AP:
-		iwl_trans_txq_disable(mvm->trans, vif->cab_queue);
+		iwl_trans_txq_disable(mvm->trans, vif->cab_queue, true);
 		/* fall through */
 	default:
 		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-			iwl_trans_txq_disable(mvm->trans, vif->hw_queue[ac]);
+			iwl_trans_txq_disable(mvm->trans, vif->hw_queue[ac],
+					      true);
 	}
 }
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index 763548880399..863a5363c416 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -910,7 +910,7 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 		}
 
 		tid_data->ssn = 0xffff;
-		iwl_trans_txq_disable(mvm->trans, txq_id);
+		iwl_trans_txq_disable(mvm->trans, txq_id, true);
 		/* fall through */
 	case IWL_AGG_STARTING:
 	case IWL_EMPTYING_HW_QUEUE_ADDBA:
@@ -965,7 +965,7 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 		if (iwl_mvm_flush_tx_path(mvm, BIT(txq_id), true))
 			IWL_ERR(mvm, "Couldn't flush the AGG queue\n");
 
-		iwl_trans_txq_disable(mvm->trans, tid_data->txq_id);
+		iwl_trans_txq_disable(mvm->trans, tid_data->txq_id, true);
 	}
 
 	mvm->queue_to_mac80211[tid_data->txq_id] =
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index dbc870713882..748b16993bda 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -482,7 +482,7 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
 		IWL_DEBUG_TX_QUEUES(mvm,
 				    "Can continue DELBA flow ssn = next_recl = %d\n",
 				    tid_data->next_reclaimed);
-		iwl_trans_txq_disable(mvm->trans, tid_data->txq_id);
+		iwl_trans_txq_disable(mvm->trans, tid_data->txq_id, true);
 		tid_data->state = IWL_AGG_OFF;
 		/*
 		 * we can't hold the mutex - but since we are after a sequence
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index 5760405a9cad..163aac563f90 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -366,7 +366,8 @@ int iwl_pcie_tx_stop(struct iwl_trans *trans);
 void iwl_pcie_tx_free(struct iwl_trans *trans);
 void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int queue, u16 ssn,
 			       const struct iwl_trans_txq_scd_cfg *cfg);
-void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue);
+void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int queue,
+				bool configure_scd);
 int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb,
 		      struct iwl_device_cmd *dev_cmd, int txq_id);
 void iwl_pcie_txq_check_wrptrs(struct iwl_trans *trans);
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 5c95386c72bf..eb39e584cc6d 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1070,37 +1070,41 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
 			       const struct iwl_trans_txq_scd_cfg *cfg)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
-	u8 frame_limit = cfg->frame_limit;
+	int fifo = -1;
 
 	if (test_and_set_bit(txq_id, trans_pcie->queue_used))
 		WARN_ONCE(1, "queue %d already used - expect issues", txq_id);
 
-	/* Stop this Tx queue before configuring it */
-	iwl_scd_txq_set_inactive(trans, txq_id);
+	if (cfg) {
+		fifo = cfg->fifo;
 
-	/* Set this queue as a chain-building queue unless it is CMD queue */
-	if (txq_id != trans_pcie->cmd_queue)
-		iwl_scd_txq_set_chain(trans, txq_id);
+		/* Stop this Tx queue before configuring it */
+		iwl_scd_txq_set_inactive(trans, txq_id);
 
-	/* If this queue is mapped to a certain station: it is an AGG queue */
-	if (cfg->sta_id >= 0) {
-		u16 ra_tid = BUILD_RAxTID(cfg->sta_id, cfg->tid);
+		/* Set this queue as a chain-building queue unless it is CMD */
+		if (txq_id != trans_pcie->cmd_queue)
+			iwl_scd_txq_set_chain(trans, txq_id);
 
-		/* Map receiver-address / traffic-ID to this queue */
-		iwl_pcie_txq_set_ratid_map(trans, ra_tid, txq_id);
+		/* If this queue is mapped to a certain station: it is an AGG */
+		if (cfg->sta_id >= 0) {
+			u16 ra_tid = BUILD_RAxTID(cfg->sta_id, cfg->tid);
 
-		/* enable aggregations for the queue */
-		iwl_scd_txq_enable_agg(trans, txq_id);
-		trans_pcie->txq[txq_id].ampdu = true;
-	} else {
-		/*
-		 * disable aggregations for the queue, this will also make the
-		 * ra_tid mapping configuration irrelevant since it is now a
-		 * non-AGG queue.
-		 */
-		iwl_scd_txq_disable_agg(trans, txq_id);
+			/* Map receiver-address / traffic-ID to this queue */
+			iwl_pcie_txq_set_ratid_map(trans, ra_tid, txq_id);
 
-		ssn = trans_pcie->txq[txq_id].q.read_ptr;
+			/* enable aggregations for the queue */
+			iwl_scd_txq_enable_agg(trans, txq_id);
+			trans_pcie->txq[txq_id].ampdu = true;
+		} else {
+			/*
+			 * disable aggregations for the queue, this will also
+			 * make the ra_tid mapping configuration irrelevant
+			 * since it is now a non-AGG queue.
+			 */
+			iwl_scd_txq_disable_agg(trans, txq_id);
+
+			ssn = trans_pcie->txq[txq_id].q.read_ptr;
+		}
 	}
 
 	/* Place first TFD at index corresponding to start sequence number.
@@ -1108,32 +1112,39 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
 	trans_pcie->txq[txq_id].q.read_ptr = (ssn & 0xff);
 	trans_pcie->txq[txq_id].q.write_ptr = (ssn & 0xff);
 
-	iwl_write_direct32(trans, HBUS_TARG_WRPTR,
-			   (ssn & 0xff) | (txq_id << 8));
-	iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), ssn);
+	if (cfg) {
+		u8 frame_limit = cfg->frame_limit;
 
-	/* Set up Tx window size and frame limit for this queue */
-	iwl_trans_write_mem32(trans, trans_pcie->scd_base_addr +
-			SCD_CONTEXT_QUEUE_OFFSET(txq_id), 0);
-	iwl_trans_write_mem32(trans, trans_pcie->scd_base_addr +
+		iwl_write_direct32(trans, HBUS_TARG_WRPTR,
+				   (ssn & 0xff) | (txq_id << 8));
+		iwl_write_prph(trans, SCD_QUEUE_RDPTR(txq_id), ssn);
+
+		/* Set up Tx window size and frame limit for this queue */
+		iwl_trans_write_mem32(trans, trans_pcie->scd_base_addr +
+				SCD_CONTEXT_QUEUE_OFFSET(txq_id), 0);
+		iwl_trans_write_mem32(trans,
+			trans_pcie->scd_base_addr +
 			SCD_CONTEXT_QUEUE_OFFSET(txq_id) + sizeof(u32),
 			((frame_limit << SCD_QUEUE_CTX_REG2_WIN_SIZE_POS) &
-				SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
+					SCD_QUEUE_CTX_REG2_WIN_SIZE_MSK) |
 			((frame_limit << SCD_QUEUE_CTX_REG2_FRAME_LIMIT_POS) &
-				SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
+					SCD_QUEUE_CTX_REG2_FRAME_LIMIT_MSK));
+
+		/* Set up status area in SRAM, map to Tx DMA/FIFO, activate */
+		iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
+			       (1 << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
+			       (cfg->fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
+			       (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
+			       SCD_QUEUE_STTS_REG_MSK);
+	}
 
-	/* Set up Status area in SRAM, map to Tx DMA/FIFO, activate the queue */
-	iwl_write_prph(trans, SCD_QUEUE_STATUS_BITS(txq_id),
-		       (1 << SCD_QUEUE_STTS_REG_POS_ACTIVE) |
-		       (cfg->fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
-		       (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
-		       SCD_QUEUE_STTS_REG_MSK);
 	trans_pcie->txq[txq_id].active = true;
 	IWL_DEBUG_TX_QUEUES(trans, "Activate queue %d on FIFO %d WrPtr: %d\n",
-			    txq_id, cfg->fifo, ssn & 0xff);
+			    txq_id, fifo, ssn & 0xff);
 }
 
-void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
+void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id,
+				bool configure_scd)
 {
 	struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
 	u32 stts_addr = trans_pcie->scd_base_addr +
@@ -1152,10 +1163,12 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id)
 		return;
 	}
 
-	iwl_scd_txq_set_inactive(trans, txq_id);
+	if (configure_scd) {
+		iwl_scd_txq_set_inactive(trans, txq_id);
 
-	iwl_trans_write_mem(trans, stts_addr, (void *)zero_val,
-			    ARRAY_SIZE(zero_val));
+		iwl_trans_write_mem(trans, stts_addr, (void *)zero_val,
+				    ARRAY_SIZE(zero_val));
+	}
 
 	iwl_pcie_txq_unmap(trans, txq_id);
 	trans_pcie->txq[txq_id].ampdu = false;

From 64ba893066528a03d7d21d7e187005748027a309 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 1 Aug 2014 13:33:46 +0200
Subject: [PATCH 26/36] iwlwifi: trans: make aggregation explicit for TX queue
 handling

Currently a valid sta_id is assumed to mean that the queue is
meant to also be aggregated, but that assumption will not be
true in the future, so don't make it in the lower level but
only in the inline wrapper.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-trans.h | 3 +++
 drivers/net/wireless/iwlwifi/pcie/tx.c   | 3 +--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index dd3aefc0ad2d..7e8dc3a2b2df 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -405,6 +405,7 @@ struct iwl_trans_txq_scd_cfg {
 	u8 fifo;
 	s8 sta_id;
 	u8 tid;
+	bool aggregate;
 	int frame_limit;
 };
 
@@ -803,6 +804,7 @@ static inline void iwl_trans_txq_enable(struct iwl_trans *trans, int queue,
 		.sta_id = sta_id,
 		.tid = tid,
 		.frame_limit = frame_limit,
+		.aggregate = sta_id >= 0,
 	};
 
 	iwl_trans_txq_enable_cfg(trans, queue, ssn, &cfg);
@@ -816,6 +818,7 @@ static inline void iwl_trans_ac_txq_enable(struct iwl_trans *trans, int queue,
 		.sta_id = -1,
 		.tid = IWL_MAX_TID_COUNT,
 		.frame_limit = IWL_FRAME_LIMIT,
+		.aggregate = false,
 	};
 
 	iwl_trans_txq_enable_cfg(trans, queue, 0, &cfg);
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index eb39e584cc6d..a24c1df2b1b5 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1085,8 +1085,7 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
 		if (txq_id != trans_pcie->cmd_queue)
 			iwl_scd_txq_set_chain(trans, txq_id);
 
-		/* If this queue is mapped to a certain station: it is an AGG */
-		if (cfg->sta_id >= 0) {
+		if (cfg->aggregate) {
 			u16 ra_tid = BUILD_RAxTID(cfg->sta_id, cfg->tid);
 
 			/* Map receiver-address / traffic-ID to this queue */

From 002a9e2677cc2a8b0d320731f9749737db5ed23b Mon Sep 17 00:00:00 2001
From: Avri Altman <avri.altman@intel.com>
Date: Thu, 24 Jul 2014 19:25:10 +0300
Subject: [PATCH 27/36] iwlwifi: trans: configure the scheduler enable register

Currently the firmware is handling this, but that is wrong as it then
needs to assume a certain command queue, therefore this should be in
the driver; add it here so it can be removed from the firmware in the
future.

Signed-off-by: Avri Altman <avri.altman@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-prph.h | 1 +
 drivers/net/wireless/iwlwifi/iwl-scd.h  | 6 ++++++
 drivers/net/wireless/iwlwifi/pcie/tx.c  | 8 ++++++++
 3 files changed, 15 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index 47033a35a402..9e152734ed43 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -281,6 +281,7 @@
 #define SCD_CHAINEXT_EN		(SCD_BASE + 0x244)
 #define SCD_AGGR_SEL		(SCD_BASE + 0x248)
 #define SCD_INTERRUPT_MASK	(SCD_BASE + 0x108)
+#define SCD_EN_CTRL		(SCD_BASE + 0x254)
 
 static inline unsigned int SCD_QUEUE_WRPTR(unsigned int chnl)
 {
diff --git a/drivers/net/wireless/iwlwifi/iwl-scd.h b/drivers/net/wireless/iwlwifi/iwl-scd.h
index 5f099d45c09a..6c622b21bba7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scd.h
+++ b/drivers/net/wireless/iwlwifi/iwl-scd.h
@@ -109,4 +109,10 @@ static inline void iwl_scd_deactivate_fifos(struct iwl_trans *trans)
 {
 	iwl_write_prph(trans, SCD_TXFACT, 0);
 }
+
+static inline void iwl_scd_enable_set_active(struct iwl_trans *trans,
+					     u32 value)
+{
+	iwl_write_prph(trans, SCD_EN_CTRL, value);
+}
 #endif
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index a24c1df2b1b5..9fdfed8fcd8f 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1078,6 +1078,10 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
 	if (cfg) {
 		fifo = cfg->fifo;
 
+		/* Disable the scheduler prior configuring the cmd queue */
+		if (txq_id == trans_pcie->cmd_queue)
+			iwl_scd_enable_set_active(trans, 0);
+
 		/* Stop this Tx queue before configuring it */
 		iwl_scd_txq_set_inactive(trans, txq_id);
 
@@ -1135,6 +1139,10 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, u16 ssn,
 			       (cfg->fifo << SCD_QUEUE_STTS_REG_POS_TXF) |
 			       (1 << SCD_QUEUE_STTS_REG_POS_WSL) |
 			       SCD_QUEUE_STTS_REG_MSK);
+
+		/* enable the scheduler for this queue (only) */
+		if (txq_id == trans_pcie->cmd_queue)
+			iwl_scd_enable_set_active(trans, BIT(txq_id));
 	}
 
 	trans_pcie->txq[txq_id].active = true;

From 8b4139dc9f2171f313fc703c08269f6f8a6f6fc4 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Thu, 24 Jul 2014 14:05:26 +0200
Subject: [PATCH 28/36] iwlwifi: add Intel Mobile Communications copyright

Our legal structure changed at some point (see wikipedia), but
we forgot to immediately switch over to the new copyright
notice.

For files that we have modified in the time since the change,
add the proper copyright notice now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/iwl-7000.c          | 2 ++
 drivers/net/wireless/iwlwifi/iwl-8000.c          | 2 ++
 drivers/net/wireless/iwlwifi/iwl-csr.h           | 2 ++
 drivers/net/wireless/iwlwifi/iwl-drv.c           | 2 ++
 drivers/net/wireless/iwlwifi/iwl-drv.h           | 2 ++
 drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h | 2 ++
 drivers/net/wireless/iwlwifi/iwl-fw-file.h       | 2 ++
 drivers/net/wireless/iwlwifi/iwl-fw.h            | 2 ++
 drivers/net/wireless/iwlwifi/iwl-nvm-parse.c     | 2 ++
 drivers/net/wireless/iwlwifi/iwl-op-mode.h       | 2 ++
 drivers/net/wireless/iwlwifi/iwl-prph.h          | 2 ++
 drivers/net/wireless/iwlwifi/iwl-trans.h         | 2 ++
 drivers/net/wireless/iwlwifi/mvm/coex.c          | 2 ++
 drivers/net/wireless/iwlwifi/mvm/coex_legacy.c   | 2 ++
 drivers/net/wireless/iwlwifi/mvm/constants.h     | 2 ++
 drivers/net/wireless/iwlwifi/mvm/d3.c            | 2 ++
 drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c   | 2 ++
 drivers/net/wireless/iwlwifi/mvm/debugfs.c       | 2 ++
 drivers/net/wireless/iwlwifi/mvm/debugfs.h       | 2 ++
 drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h   | 2 ++
 drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h     | 2 ++
 drivers/net/wireless/iwlwifi/mvm/fw-api-power.h  | 2 ++
 drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h   | 2 ++
 drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h    | 2 ++
 drivers/net/wireless/iwlwifi/mvm/fw-api.h        | 2 ++
 drivers/net/wireless/iwlwifi/mvm/fw.c            | 2 ++
 drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c      | 2 ++
 drivers/net/wireless/iwlwifi/mvm/mac80211.c      | 2 ++
 drivers/net/wireless/iwlwifi/mvm/mvm.h           | 2 ++
 drivers/net/wireless/iwlwifi/mvm/nvm.c           | 2 ++
 drivers/net/wireless/iwlwifi/mvm/offloading.c    | 2 ++
 drivers/net/wireless/iwlwifi/mvm/ops.c           | 2 ++
 drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c      | 2 ++
 drivers/net/wireless/iwlwifi/mvm/power.c         | 2 ++
 drivers/net/wireless/iwlwifi/mvm/quota.c         | 2 ++
 drivers/net/wireless/iwlwifi/mvm/rs.c            | 1 +
 drivers/net/wireless/iwlwifi/mvm/rx.c            | 2 ++
 drivers/net/wireless/iwlwifi/mvm/scan.c          | 2 ++
 drivers/net/wireless/iwlwifi/mvm/sf.c            | 2 ++
 drivers/net/wireless/iwlwifi/mvm/sta.c           | 2 ++
 drivers/net/wireless/iwlwifi/mvm/sta.h           | 2 ++
 drivers/net/wireless/iwlwifi/mvm/testmode.h      | 2 ++
 drivers/net/wireless/iwlwifi/mvm/time-event.c    | 2 ++
 drivers/net/wireless/iwlwifi/mvm/time-event.h    | 2 ++
 drivers/net/wireless/iwlwifi/mvm/tt.c            | 2 ++
 drivers/net/wireless/iwlwifi/mvm/tx.c            | 2 ++
 drivers/net/wireless/iwlwifi/mvm/utils.c         | 2 ++
 drivers/net/wireless/iwlwifi/pcie/drv.c          | 2 ++
 drivers/net/wireless/iwlwifi/pcie/internal.h     | 1 +
 drivers/net/wireless/iwlwifi/pcie/rx.c           | 1 +
 drivers/net/wireless/iwlwifi/pcie/trans.c        | 2 ++
 drivers/net/wireless/iwlwifi/pcie/tx.c           | 1 +
 52 files changed, 100 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/iwl-7000.c b/drivers/net/wireless/iwlwifi/iwl-7000.c
index 48730064da73..446654aed017 100644
--- a/drivers/net/wireless/iwlwifi/iwl-7000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-7000.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-8000.c b/drivers/net/wireless/iwlwifi/iwl-8000.c
index 44b19e015102..90388e70db9b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-8000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-8000.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-csr.h b/drivers/net/wireless/iwlwifi/iwl-csr.h
index fe129c94ae3e..23d059af6476 100644
--- a/drivers/net/wireless/iwlwifi/iwl-csr.h
+++ b/drivers/net/wireless/iwlwifi/iwl-csr.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c
index 283aee0e28a4..aefd94cb6e91 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.c
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.h b/drivers/net/wireless/iwlwifi/iwl-drv.h
index 3c72cb710b0c..be4f8972241a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-drv.h
+++ b/drivers/net/wireless/iwlwifi/iwl-drv.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
index de5994a776c7..e30a41d04c8b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw-file.h b/drivers/net/wireless/iwlwifi/iwl-fw-file.h
index 929a8063354c..401f7be36b93 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw-file.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw-file.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-fw.h b/drivers/net/wireless/iwlwifi/iwl-fw.h
index 99e0ec4635ee..f68cba4e0444 100644
--- a/drivers/net/wireless/iwlwifi/iwl-fw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-fw.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index 018af2957d3b..8e7af798abd1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2008 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
index 99785c892f96..b6d666ee8359 100644
--- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index 9e152734ed43..1560f4576c7d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h
index 7e8dc3a2b2df..c89985a58803 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex.c b/drivers/net/wireless/iwlwifi/mvm/coex.c
index 2291bbcaaeab..2262d6dc61ae 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
index a3be33359927..585c0ab4a3ec 100644
--- a/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
+++ b/drivers/net/wireless/iwlwifi/mvm/coex_legacy.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/constants.h b/drivers/net/wireless/iwlwifi/mvm/constants.h
index ca79f7160573..dd00e8f7f765 100644
--- a/drivers/net/wireless/iwlwifi/mvm/constants.h
+++ b/drivers/net/wireless/iwlwifi/mvm/constants.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index 645b3cfc29a5..607dfdbe0d5e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
index 5f5a94b9b7fc..d919b4ebc83c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs-vif.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index f85d4f4519f6..d98ee109c5e9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.h b/drivers/net/wireless/iwlwifi/mvm/debugfs.h
index e3a9774af495..8c4190e7e027 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.h
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h
index 69875716dcdb..816883f9ff94 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-coex.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h
index 13696fe419b7..e74cdf2132f8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-d3.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
index c3a8c86b550d..27dd86395b39 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-power.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
index c02a9e45ec5e..8f2216694004 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h
index 47bd0406355d..21dd5b771660 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api-sta.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
index ed7d3f3d8b2f..4274f8dcb4cb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index 883e702152d5..c958a7d0458d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index 08162043c897..7171d1734df3 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 5bc7557d4efe..cbe9ff09995a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index ffb509362828..b66a8afd6550 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c
index cfdd314fdd5d..4fafd4bd89f4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/offloading.c b/drivers/net/wireless/iwlwifi/mvm/offloading.c
index 9bfb95e89cfb..adcbf4c8edd8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/offloading.c
+++ b/drivers/net/wireless/iwlwifi/mvm/offloading.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 166d17c48f85..8139adcb2ef8 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
index 6cc243f7cf60..12283b55ee84 100644
--- a/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/phy-ctxt.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index b552183d0a31..e7a6626fe839 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c
index 300639ce78be..5fd502db03d1 100644
--- a/drivers/net/wireless/iwlwifi/mvm/quota.c
+++ b/drivers/net/wireless/iwlwifi/mvm/quota.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 940e0d025012..17002cf437db 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -1,6 +1,7 @@
 /******************************************************************************
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of version 2 of the GNU General Public License as
diff --git a/drivers/net/wireless/iwlwifi/mvm/rx.c b/drivers/net/wireless/iwlwifi/mvm/rx.c
index 8f43affe266f..48144e3ad527 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rx.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/scan.c b/drivers/net/wireless/iwlwifi/mvm/scan.c
index d01954dcc75d..bf9c63dc4a7d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/iwlwifi/mvm/scan.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/sf.c b/drivers/net/wireless/iwlwifi/mvm/sf.c
index 7edfd15efc9d..d1922afe06f4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sf.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sf.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index 863a5363c416..960687bf92f9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h
index 3b1c8bd6cb54..ea4985eb8fa9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/testmode.h b/drivers/net/wireless/iwlwifi/mvm/testmode.h
index 0241665925f7..79ab6beb6b26 100644
--- a/drivers/net/wireless/iwlwifi/mvm/testmode.h
+++ b/drivers/net/wireless/iwlwifi/mvm/testmode.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.c b/drivers/net/wireless/iwlwifi/mvm/time-event.c
index 51c610f6d17b..447d3b1003df 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.c
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/time-event.h b/drivers/net/wireless/iwlwifi/mvm/time-event.h
index 9126379ff2c6..bee3b2446b35 100644
--- a/drivers/net/wireless/iwlwifi/mvm/time-event.h
+++ b/drivers/net/wireless/iwlwifi/mvm/time-event.h
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/tt.c b/drivers/net/wireless/iwlwifi/mvm/tt.c
index 4c22c0a09237..c3e1fe4282f1 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tt.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2013 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/tx.c b/drivers/net/wireless/iwlwifi/mvm/tx.c
index 748b16993bda..963edb8656ad 100644
--- a/drivers/net/wireless/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/mvm/tx.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/mvm/utils.c b/drivers/net/wireless/iwlwifi/mvm/utils.c
index 20fdca475d22..1958f298ac8b 100644
--- a/drivers/net/wireless/iwlwifi/mvm/utils.c
+++ b/drivers/net/wireless/iwlwifi/mvm/utils.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index f0e722ced080..dbbbf23082a2 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/pcie/internal.h b/drivers/net/wireless/iwlwifi/pcie/internal.h
index 163aac563f90..a4fedc4a7448 100644
--- a/drivers/net/wireless/iwlwifi/pcie/internal.h
+++ b/drivers/net/wireless/iwlwifi/pcie/internal.h
@@ -1,6 +1,7 @@
 /******************************************************************************
  *
  * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * Portions of this file are derived from the ipw3945 project, as well
  * as portions of the ieee80211 subsystem header files.
diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c
index a2698e5e062c..702f47fb16fe 100644
--- a/drivers/net/wireless/iwlwifi/pcie/rx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/rx.c
@@ -1,6 +1,7 @@
 /******************************************************************************
  *
  * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * Portions of this file are derived from the ipw3945 project, as well
  * as portions of the ieee80211 subsystem header files.
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 06e04aaf61ee..3076e0e9a490 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -6,6 +6,7 @@
  * GPL LICENSE SUMMARY
  *
  * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of version 2 of the GNU General Public License as
@@ -31,6 +32,7 @@
  * BSD LICENSE
  *
  * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c
index 9fdfed8fcd8f..a6336b4aa3a4 100644
--- a/drivers/net/wireless/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/iwlwifi/pcie/tx.c
@@ -1,6 +1,7 @@
 /******************************************************************************
  *
  * Copyright(c) 2003 - 2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2013 - 2014 Intel Mobile Communications GmbH
  *
  * Portions of this file are derived from the ipw3945 project, as well
  * as portions of the ieee80211 subsystem header files.

From 0ce04ce797f87cdb6e10deef6a6081366be8bcc0 Mon Sep 17 00:00:00 2001
From: Luciano Coelho <luciano.coelho@intel.com>
Date: Thu, 8 May 2014 16:03:39 +0300
Subject: [PATCH 29/36] iwlwifi: mvm: set the TX disable bit when doing a
 chanctx switch

During a channel switch we should tell the firmware to disable TX
temporarily and re-enable it after the switch is done.

Signed-off-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index cbe9ff09995a..3bbeedfb789c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -2748,6 +2748,19 @@ static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
 		iwl_mvm_mac_ctxt_changed(mvm, vif, false);
 	}
 
+	if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
+		struct iwl_mvm_sta *mvmsta;
+
+		mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
+							  mvmvif->ap_sta_id);
+
+		if (WARN_ON(!mvmsta))
+			goto out;
+
+		/* TODO: only re-enable after the first beacon */
+		iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, false);
+	}
+
 	goto out;
 
 out_remove_binding:
@@ -2779,6 +2792,7 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	struct ieee80211_vif *disabled_vif = NULL;
+	struct iwl_mvm_sta *mvmsta;
 
 	lockdep_assert_held(&mvm->mutex);
 
@@ -2810,6 +2824,12 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
 
 		disabled_vif = vif;
 
+		mvmsta = iwl_mvm_sta_from_staid_protected(mvm,
+							  mvmvif->ap_sta_id);
+
+		if (!WARN_ON(!mvmsta))
+			iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
+
 		iwl_mvm_mac_ctxt_changed(mvm, vif, true);
 		break;
 	default:

From 3dfd3a97c8b0484e85e365472fe7e292e6e8de7e Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 11 Aug 2014 21:37:30 +0200
Subject: [PATCH 30/36] iwlwifi: mvm: correct firmware disassoc command
 sequence

The firmware would like to have a MAC context (unassoc)
before the AP station is removed (we do this) but would
like to keep the BSSID until after it is removed, so we
need to send two commands - one with the BSSID before
and one without the BSSID after.

In order to do this, we need to store the BSSID as it
will have been cleared by mac80211 by the time we get
notified of the disassociation. Also pass it around as
an override to the various functions needing it, and
keep taking it from the mac80211 data otherwise. This
avoids having to keep track of the BSSID in all modes.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/d3.c       |  2 +-
 drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c | 34 ++++++++++++---------
 drivers/net/wireless/iwlwifi/mvm/mac80211.c | 34 ++++++++++++++++-----
 drivers/net/wireless/iwlwifi/mvm/mvm.h      |  8 ++++-
 4 files changed, 55 insertions(+), 23 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/d3.c b/drivers/net/wireless/iwlwifi/mvm/d3.c
index 607dfdbe0d5e..c17be0fb7283 100644
--- a/drivers/net/wireless/iwlwifi/mvm/d3.c
+++ b/drivers/net/wireless/iwlwifi/mvm/d3.c
@@ -702,7 +702,7 @@ static int iwl_mvm_d3_reprogram(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 		return ret;
 	rcu_assign_pointer(mvm->fw_id_to_mac_id[mvmvif->ap_sta_id], ap_sta);
 
-	ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false);
+	ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
 	if (ret)
 		return ret;
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index 7171d1734df3..115bb3656d91 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -590,6 +590,7 @@ static void iwl_mvm_mac_ctxt_set_ht_flags(struct iwl_mvm *mvm,
 static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
 					struct ieee80211_vif *vif,
 					struct iwl_mac_ctx_cmd *cmd,
+					const u8 *bssid_override,
 					u32 action)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
@@ -597,6 +598,7 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
 	bool ht_enabled = !!(vif->bss_conf.ht_operation_mode &
 			     IEEE80211_HT_OP_MODE_PROTECTION);
 	u8 cck_ack_rates, ofdm_ack_rates;
+	const u8 *bssid = bssid_override ?: vif->bss_conf.bssid;
 	int i;
 
 	cmd->id_and_color = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
@@ -629,8 +631,9 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
 	cmd->tsf_id = cpu_to_le32(mvmvif->tsf_id);
 
 	memcpy(cmd->node_addr, vif->addr, ETH_ALEN);
-	if (vif->bss_conf.bssid)
-		memcpy(cmd->bssid_addr, vif->bss_conf.bssid, ETH_ALEN);
+
+	if (bssid)
+		memcpy(cmd->bssid_addr, bssid, ETH_ALEN);
 	else
 		eth_broadcast_addr(cmd->bssid_addr);
 
@@ -699,7 +702,8 @@ static int iwl_mvm_mac_ctxt_send_cmd(struct iwl_mvm *mvm,
 
 static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
 				    struct ieee80211_vif *vif,
-				    u32 action, bool force_assoc_off)
+				    u32 action, bool force_assoc_off,
+				    const u8 *bssid_override)
 {
 	struct iwl_mac_ctx_cmd cmd = {};
 	struct iwl_mac_data_sta *ctxt_sta;
@@ -707,7 +711,7 @@ static int iwl_mvm_mac_ctxt_cmd_sta(struct iwl_mvm *mvm,
 	WARN_ON(vif->type != NL80211_IFTYPE_STATION);
 
 	/* Fill the common data for all mac context types */
-	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, bssid_override, action);
 
 	if (vif->p2p) {
 		struct ieee80211_p2p_noa_attr *noa =
@@ -788,7 +792,7 @@ static int iwl_mvm_mac_ctxt_cmd_listener(struct iwl_mvm *mvm,
 
 	WARN_ON(vif->type != NL80211_IFTYPE_MONITOR);
 
-	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
 
 	cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_PROMISC |
 				       MAC_FILTER_IN_CONTROL_AND_MGMT |
@@ -809,7 +813,7 @@ static int iwl_mvm_mac_ctxt_cmd_ibss(struct iwl_mvm *mvm,
 
 	WARN_ON(vif->type != NL80211_IFTYPE_ADHOC);
 
-	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
 
 	cmd.filter_flags = cpu_to_le32(MAC_FILTER_IN_BEACON |
 				       MAC_FILTER_IN_PROBE_REQUEST);
@@ -848,7 +852,7 @@ static int iwl_mvm_mac_ctxt_cmd_p2p_device(struct iwl_mvm *mvm,
 
 	WARN_ON(vif->type != NL80211_IFTYPE_P2P_DEVICE);
 
-	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
 
 	cmd.protection_flags |= cpu_to_le32(MAC_PROT_FLG_TGG_PROTECT);
 
@@ -1076,7 +1080,7 @@ static int iwl_mvm_mac_ctxt_cmd_ap(struct iwl_mvm *mvm,
 	WARN_ON(vif->type != NL80211_IFTYPE_AP || vif->p2p);
 
 	/* Fill the common data for all mac context types */
-	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
 
 	/*
 	 * pass probe requests and beacons from other APs (needed
@@ -1102,7 +1106,7 @@ static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm,
 	WARN_ON(vif->type != NL80211_IFTYPE_AP || !vif->p2p);
 
 	/* Fill the common data for all mac context types */
-	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, action);
+	iwl_mvm_mac_ctxt_cmd_common(mvm, vif, &cmd, NULL, action);
 
 	/*
 	 * pass probe requests and beacons from other APs (needed
@@ -1125,12 +1129,14 @@ static int iwl_mvm_mac_ctxt_cmd_go(struct iwl_mvm *mvm,
 }
 
 static int iwl_mvm_mac_ctx_send(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-				u32 action, bool force_assoc_off)
+				u32 action, bool force_assoc_off,
+				const u8 *bssid_override)
 {
 	switch (vif->type) {
 	case NL80211_IFTYPE_STATION:
 		return iwl_mvm_mac_ctxt_cmd_sta(mvm, vif, action,
-						force_assoc_off);
+						force_assoc_off,
+						bssid_override);
 		break;
 	case NL80211_IFTYPE_AP:
 		if (!vif->p2p)
@@ -1161,7 +1167,7 @@ int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 		return -EIO;
 
 	ret = iwl_mvm_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_ADD,
-				   true);
+				   true, NULL);
 	if (ret)
 		return ret;
 
@@ -1173,7 +1179,7 @@ int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 }
 
 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			     bool force_assoc_off)
+			     bool force_assoc_off, const u8 *bssid_override)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 
@@ -1182,7 +1188,7 @@ int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 		return -EIO;
 
 	return iwl_mvm_mac_ctx_send(mvm, vif, FW_CTXT_ACTION_MODIFY,
-				    force_assoc_off);
+				    force_assoc_off, bssid_override);
 }
 
 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 3bbeedfb789c..ea79f1ac3ecc 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -1451,10 +1451,23 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
 	if (changes & BSS_CHANGED_ASSOC && bss_conf->assoc)
 		iwl_mvm_mac_ctxt_recalc_tsf_id(mvm, vif);
 
-	ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false);
+	/*
+	 * If we're not associated yet, take the (new) BSSID before associating
+	 * so the firmware knows. If we're already associated, then use the old
+	 * BSSID here, and we'll send a cleared one later in the CHANGED_ASSOC
+	 * branch for disassociation below.
+	 */
+	if (changes & BSS_CHANGED_BSSID && !mvmvif->associated)
+		memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
+
+	ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, mvmvif->bssid);
 	if (ret)
 		IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
 
+	/* after sending it once, adopt mac80211 data */
+	memcpy(mvmvif->bssid, bss_conf->bssid, ETH_ALEN);
+	mvmvif->associated = bss_conf->assoc;
+
 	if (changes & BSS_CHANGED_ASSOC) {
 		if (bss_conf->assoc) {
 			/* add quota for this interface */
@@ -1516,6 +1529,13 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
 
 			if (vif->p2p)
 				iwl_mvm_unref(mvm, IWL_MVM_REF_P2P_CLIENT);
+
+			/* this will take the cleared BSSID from bss_conf */
+			ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
+			if (ret)
+				IWL_ERR(mvm,
+					"failed to update MAC %pM (clear after unassoc)\n",
+					vif->addr);
 		}
 
 		iwl_mvm_recalc_multicast(mvm);
@@ -1627,7 +1647,7 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
 
 	/* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
 	if (vif->p2p && mvm->p2p_device_vif)
-		iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false);
+		iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
 
 	iwl_mvm_ref(mvm, IWL_MVM_REF_AP_IBSS);
 
@@ -1685,7 +1705,7 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
 
 	/* Need to update the P2P Device MAC (only GO, IBSS is single vif) */
 	if (vif->p2p && mvm->p2p_device_vif)
-		iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false);
+		iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
 
 	iwl_mvm_update_quotas(mvm, NULL);
 	iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
@@ -1712,7 +1732,7 @@ iwl_mvm_bss_info_changed_ap_ibss(struct iwl_mvm *mvm,
 
 	if (changes & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT |
 		       BSS_CHANGED_BANDWIDTH) &&
-	    iwl_mvm_mac_ctxt_changed(mvm, vif, false))
+	    iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL))
 		IWL_ERR(mvm, "failed to update MAC %pM\n", vif->addr);
 
 	/* Need to send a new beacon template to the FW */
@@ -2123,7 +2143,7 @@ static int iwl_mvm_mac_conf_tx(struct ieee80211_hw *hw,
 		int ret;
 
 		mutex_lock(&mvm->mutex);
-		ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false);
+		ret = iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
 		mutex_unlock(&mvm->mutex);
 		return ret;
 	}
@@ -2745,7 +2765,7 @@ static int __iwl_mvm_assign_vif_chanctx(struct iwl_mvm *mvm,
 	if ((vif->type == NL80211_IFTYPE_AP) ||
 	    (switching_chanctx && (vif->type == NL80211_IFTYPE_STATION))) {
 		iwl_mvm_update_quotas(mvm, NULL);
-		iwl_mvm_mac_ctxt_changed(mvm, vif, false);
+		iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
 	}
 
 	if (vif->csa_active && vif->type == NL80211_IFTYPE_STATION) {
@@ -2830,7 +2850,7 @@ static void __iwl_mvm_unassign_vif_chanctx(struct iwl_mvm *mvm,
 		if (!WARN_ON(!mvmsta))
 			iwl_mvm_sta_modify_disable_tx(mvm, mvmsta, true);
 
-		iwl_mvm_mac_ctxt_changed(mvm, vif, true);
+		iwl_mvm_mac_ctxt_changed(mvm, vif, true, NULL);
 		break;
 	default:
 		break;
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index b66a8afd6550..43f536446162 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -320,6 +320,9 @@ struct iwl_mvm_vif_bf_data {
  * @id: between 0 and 3
  * @color: to solve races upon MAC addition and removal
  * @ap_sta_id: the sta_id of the AP - valid only if VIF type is STA
+ * @bssid: BSSID for this (client) interface
+ * @associated: indicates that we're currently associated, used only for
+ *	managing the firmware state in iwl_mvm_bss_info_changed_station()
  * @uploaded: indicates the MAC context has been added to the device
  * @ap_ibss_active: indicates that AP/IBSS is configured and that the interface
  *	should get quota etc.
@@ -341,6 +344,9 @@ struct iwl_mvm_vif {
 	u16 color;
 	u8 ap_sta_id;
 
+	u8 bssid[ETH_ALEN];
+	bool associated;
+
 	bool uploaded;
 	bool ap_ibss_active;
 	bool pm_enabled;
@@ -897,7 +903,7 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 void iwl_mvm_mac_ctxt_release(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 int iwl_mvm_mac_ctxt_add(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 int iwl_mvm_mac_ctxt_changed(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			     bool force_assoc_off);
+			     bool force_assoc_off, const u8 *bssid_override);
 int iwl_mvm_mac_ctxt_remove(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
 				struct ieee80211_vif *vif);

From b2d81db7b3d3e51f6f465cae8d450acf0ca8d2dc Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 1 Aug 2014 20:48:25 +0200
Subject: [PATCH 31/36] iwlwifi: mvm: clean up FIFO definitions

Move all FIFO definitions together into the firmware API
header file and use the same enum/naming scheme for the
command FIFO.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/fw-api.h | 9 ++++++++-
 drivers/net/wireless/iwlwifi/mvm/mvm.h    | 8 --------
 drivers/net/wireless/iwlwifi/mvm/ops.c    | 2 +-
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
index 4274f8dcb4cb..94342dbe69e9 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
@@ -84,7 +84,14 @@ enum {
 	IWL_MVM_CMD_QUEUE = 9,
 };
 
-#define IWL_MVM_CMD_FIFO	7
+enum iwl_mvm_tx_fifo {
+	IWL_MVM_TX_FIFO_BK = 0,
+	IWL_MVM_TX_FIFO_BE,
+	IWL_MVM_TX_FIFO_VI,
+	IWL_MVM_TX_FIFO_VO,
+	IWL_MVM_TX_FIFO_MCAST = 5,
+	IWL_MVM_TX_FIFO_CMD = 7,
+};
 
 #define IWL_MVM_STATION_COUNT	16
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index 43f536446162..b529cf64a5b6 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -105,14 +105,6 @@
  */
 #define IWL_MVM_CS_UNBLOCK_TX_TIMEOUT 3
 
-enum iwl_mvm_tx_fifo {
-	IWL_MVM_TX_FIFO_BK = 0,
-	IWL_MVM_TX_FIFO_BE,
-	IWL_MVM_TX_FIFO_VI,
-	IWL_MVM_TX_FIFO_VO,
-	IWL_MVM_TX_FIFO_MCAST = 5,
-};
-
 extern const struct ieee80211_ops iwl_mvm_hw_ops;
 
 /**
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index 8139adcb2ef8..d7ec07d48d98 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -459,7 +459,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 	trans_cfg.command_names = iwl_mvm_cmd_strings;
 
 	trans_cfg.cmd_queue = IWL_MVM_CMD_QUEUE;
-	trans_cfg.cmd_fifo = IWL_MVM_CMD_FIFO;
+	trans_cfg.cmd_fifo = IWL_MVM_TX_FIFO_CMD;
 
 	snprintf(mvm->hw->wiphy->fw_version,
 		 sizeof(mvm->hw->wiphy->fw_version),

From df197c00bf1dbdee888aa886e5e93b49b42a268b Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 1 Aug 2014 18:14:45 +0200
Subject: [PATCH 32/36] iwlwifi: mvm: clarify stop_count, remove
 transport_stopped

The queue handling is a bit unclear - we have an array for
stop_count[IWL_MAX_HW_QUEUES] but indices really are the
mac80211 queue numbers. Change the array to be only of the
right size for mac80211 queues (IEEE80211_MAX_QUEUES) and
rename it to be clearer.

While at it, also remove the unused transport queue stop
bitmap in mvm.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/fw.c  | 4 ++--
 drivers/net/wireless/iwlwifi/mvm/mvm.h | 3 +--
 drivers/net/wireless/iwlwifi/mvm/ops.c | 9 +++------
 3 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index c958a7d0458d..21d606028ca6 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -244,10 +244,10 @@ static int iwl_mvm_load_ucode_wait_alive(struct iwl_mvm *mvm,
 			mvm->queue_to_mac80211[i] = i;
 		else
 			mvm->queue_to_mac80211[i] = IWL_INVALID_MAC80211_QUEUE;
-		atomic_set(&mvm->queue_stop_count[i], 0);
 	}
 
-	mvm->transport_queue_stop = 0;
+	for (i = 0; i < IEEE80211_MAX_QUEUES; i++)
+		atomic_set(&mvm->mac80211_queue_stop_count[i], 0);
 
 	mvm->ucode_loaded = true;
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index b529cf64a5b6..e292de96e09a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -562,9 +562,8 @@ struct iwl_mvm {
 
 	struct mvm_statistics_rx rx_stats;
 
-	unsigned long transport_queue_stop;
 	u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
-	atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
+	atomic_t mac80211_queue_stop_count[IEEE80211_MAX_QUEUES];
 
 	const char *nvm_file_name;
 	struct iwl_nvm_data *nvm_data;
diff --git a/drivers/net/wireless/iwlwifi/mvm/ops.c b/drivers/net/wireless/iwlwifi/mvm/ops.c
index d7ec07d48d98..87f278cc9b2c 100644
--- a/drivers/net/wireless/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/iwlwifi/mvm/ops.c
@@ -703,14 +703,13 @@ static void iwl_mvm_stop_sw_queue(struct iwl_op_mode *op_mode, int queue)
 	if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
 		return;
 
-	if (atomic_inc_return(&mvm->queue_stop_count[mq]) > 1) {
+	if (atomic_inc_return(&mvm->mac80211_queue_stop_count[mq]) > 1) {
 		IWL_DEBUG_TX_QUEUES(mvm,
 				    "queue %d (mac80211 %d) already stopped\n",
 				    queue, mq);
 		return;
 	}
 
-	set_bit(mq, &mvm->transport_queue_stop);
 	ieee80211_stop_queue(mvm->hw, mq);
 }
 
@@ -722,15 +721,13 @@ static void iwl_mvm_wake_sw_queue(struct iwl_op_mode *op_mode, int queue)
 	if (WARN_ON_ONCE(mq == IWL_INVALID_MAC80211_QUEUE))
 		return;
 
-	if (atomic_dec_return(&mvm->queue_stop_count[mq]) > 0) {
+	if (atomic_dec_return(&mvm->mac80211_queue_stop_count[mq]) > 0) {
 		IWL_DEBUG_TX_QUEUES(mvm,
-				    "queue %d (mac80211 %d) already awake\n",
+				    "queue %d (mac80211 %d) still stopped\n",
 				    queue, mq);
 		return;
 	}
 
-	clear_bit(mq, &mvm->transport_queue_stop);
-
 	ieee80211_wake_queue(mvm->hw, mq);
 }
 

From 9e848010bfa1c0da21292afb7a98957b5c35622d Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 4 Aug 2014 14:33:42 +0200
Subject: [PATCH 33/36] iwlwifi: mvm: use tdls indication from mac80211

Instead of checking whether a given station is the first to
be added on a client interface check for the new TDLS flag
and warn in the unexpected cases.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/sta.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index 960687bf92f9..ccfc256b710a 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -252,10 +252,14 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
 	if (ret)
 		return ret;
 
-	/* The first station added is the AP, the others are TDLS STAs */
-	if (vif->type == NL80211_IFTYPE_STATION &&
-	    mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT)
-		mvmvif->ap_sta_id = sta_id;
+	if (vif->type == NL80211_IFTYPE_STATION) {
+		if (!sta->tdls) {
+			WARN_ON(mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT);
+			mvmvif->ap_sta_id = sta_id;
+		} else {
+			WARN_ON(mvmvif->ap_sta_id == IWL_MVM_STATION_COUNT);
+		}
+	}
 
 	rcu_assign_pointer(mvm->fw_id_to_mac_id[sta_id], sta);
 

From 110cf810852f0f5333bcfb10065995006d8ecbbb Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Fri, 1 Aug 2014 23:14:24 +0200
Subject: [PATCH 34/36] iwlwifi: mvm: use iwl_mvm_mac_get_queues_mask() more

There are a few places that can call the function
iwl_mvm_mac_get_queues_mask() instead of open-coding the
equivalent, so do that. This requires changing it to return
the multicast queue as part of the bitmap, which broke GO
mode because including it in the broadcast station queues
seems to confuse the firmware, so work around that.

Also, the API defines that the CAB queue shouldn't be
included in the TFD queue mask, adjust the comment
accordingly (not a bug).

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/fw-api.h   |  3 -
 drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c | 62 ++++++++++-----------
 drivers/net/wireless/iwlwifi/mvm/mac80211.c | 18 +++---
 3 files changed, 40 insertions(+), 43 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/fw-api.h b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
index 94342dbe69e9..9c975f9ecfcb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw-api.h
+++ b/drivers/net/wireless/iwlwifi/mvm/fw-api.h
@@ -75,9 +75,6 @@
 #include "fw-api-coex.h"
 #include "fw-api-scan.h"
 
-/* maximal number of Tx queues in any platform */
-#define IWL_MVM_MAX_QUEUES	20
-
 /* Tx queue numbers */
 enum {
 	IWL_MVM_OFFCHANNEL_QUEUE = 8,
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
index 115bb3656d91..9cbb192f680e 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
@@ -83,7 +83,7 @@ struct iwl_mvm_mac_iface_iterator_data {
 	struct ieee80211_vif *vif;
 	unsigned long available_mac_ids[BITS_TO_LONGS(NUM_MAC_INDEX_DRIVER)];
 	unsigned long available_tsf_ids[BITS_TO_LONGS(NUM_TSF_IDS)];
-	unsigned long used_hw_queues[BITS_TO_LONGS(IWL_MVM_MAX_QUEUES)];
+	u32 used_hw_queues;
 	enum iwl_tsf_id preferred_tsf;
 	bool found_vif;
 };
@@ -194,12 +194,31 @@ static void iwl_mvm_mac_tsf_id_iter(void *_data, u8 *mac,
 		data->preferred_tsf = NUM_TSF_IDS;
 }
 
+/*
+ * Get the mask of the queues used by the vif
+ */
+u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
+				struct ieee80211_vif *vif)
+{
+	u32 qmask = 0, ac;
+
+	if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
+		return BIT(IWL_MVM_OFFCHANNEL_QUEUE);
+
+	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
+		qmask |= BIT(vif->hw_queue[ac]);
+
+	if (vif->type == NL80211_IFTYPE_AP)
+		qmask |= BIT(vif->cab_queue);
+
+	return qmask;
+}
+
 static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac,
 				       struct ieee80211_vif *vif)
 {
 	struct iwl_mvm_mac_iface_iterator_data *data = _data;
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-	u32 ac;
 
 	/* Iterator may already find the interface being added -- skip it */
 	if (vif == data->vif) {
@@ -208,12 +227,7 @@ static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac,
 	}
 
 	/* Mark the queues used by the vif */
-	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-		if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
-			__set_bit(vif->hw_queue[ac], data->used_hw_queues);
-
-	if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
-		__set_bit(vif->cab_queue, data->used_hw_queues);
+	data->used_hw_queues |= iwl_mvm_mac_get_queues_mask(data->mvm, vif);
 
 	/* Mark MAC IDs as used by clearing the available bit, and
 	 * (below) mark TSFs as used if their existing use is not
@@ -227,24 +241,6 @@ static void iwl_mvm_mac_iface_iterator(void *_data, u8 *mac,
 	iwl_mvm_mac_tsf_id_iter(_data, mac, vif);
 }
 
-/*
- * Get the mask of the queus used by the vif
- */
-u32 iwl_mvm_mac_get_queues_mask(struct iwl_mvm *mvm,
-				struct ieee80211_vif *vif)
-{
-	u32 qmask = 0, ac;
-
-	if (vif->type == NL80211_IFTYPE_P2P_DEVICE)
-		return BIT(IWL_MVM_OFFCHANNEL_QUEUE);
-
-	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-		if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
-			qmask |= BIT(vif->hw_queue[ac]);
-
-	return qmask;
-}
-
 void iwl_mvm_mac_ctxt_recalc_tsf_id(struct iwl_mvm *mvm,
 				    struct ieee80211_vif *vif)
 {
@@ -279,15 +275,15 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm,
 		.available_tsf_ids = { (1 << NUM_TSF_IDS) - 1 },
 		/* no preference yet */
 		.preferred_tsf = NUM_TSF_IDS,
-		.used_hw_queues = {
+		.used_hw_queues =
 			BIT(IWL_MVM_OFFCHANNEL_QUEUE) |
 			BIT(mvm->aux_queue) |
-			BIT(IWL_MVM_CMD_QUEUE)
-		},
+			BIT(IWL_MVM_CMD_QUEUE),
 		.found_vif = false,
 	};
 	u32 ac;
 	int ret, i;
+	unsigned long used_hw_queues;
 
 	/*
 	 * Allocate a MAC ID and a TSF for this MAC, along with the queues
@@ -370,9 +366,11 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm,
 		return 0;
 	}
 
+	used_hw_queues = data.used_hw_queues;
+
 	/* Find available queues, and allocate them to the ACs */
 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
-		u8 queue = find_first_zero_bit(data.used_hw_queues,
+		u8 queue = find_first_zero_bit(&used_hw_queues,
 					       mvm->first_agg_queue);
 
 		if (queue >= mvm->first_agg_queue) {
@@ -381,13 +379,13 @@ static int iwl_mvm_mac_ctxt_allocate_resources(struct iwl_mvm *mvm,
 			goto exit_fail;
 		}
 
-		__set_bit(queue, data.used_hw_queues);
+		__set_bit(queue, &used_hw_queues);
 		vif->hw_queue[ac] = queue;
 	}
 
 	/* Allocate the CAB queue for softAP and GO interfaces */
 	if (vif->type == NL80211_IFTYPE_AP) {
-		u8 queue = find_first_zero_bit(data.used_hw_queues,
+		u8 queue = find_first_zero_bit(&used_hw_queues,
 					       mvm->first_agg_queue);
 
 		if (queue >= mvm->first_agg_queue) {
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index ea79f1ac3ecc..ac2b11a52b9f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -972,6 +972,15 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 	if (vif->type == NL80211_IFTYPE_AP ||
 	    vif->type == NL80211_IFTYPE_ADHOC) {
 		u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
+
+		/*
+		 * The firmware defines the TFD queue mask to only be relevant
+		 * for *unicast* queues, so the multicast (CAB) queue should
+		 * be excluded.
+		 */
+		if (vif->type == NL80211_IFTYPE_AP)
+			qmask &= ~BIT(vif->cab_queue);
+
 		ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta,
 					       qmask,
 					       ieee80211_vif_type_p2p(vif));
@@ -1063,14 +1072,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 static void iwl_mvm_prepare_mac_removal(struct iwl_mvm *mvm,
 					struct ieee80211_vif *vif)
 {
-	u32 tfd_msk = 0, ac;
-
-	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-		if (vif->hw_queue[ac] != IEEE80211_INVAL_HW_QUEUE)
-			tfd_msk |= BIT(vif->hw_queue[ac]);
-
-	if (vif->cab_queue != IEEE80211_INVAL_HW_QUEUE)
-		tfd_msk |= BIT(vif->cab_queue);
+	u32 tfd_msk = iwl_mvm_mac_get_queues_mask(mvm, vif);
 
 	if (tfd_msk) {
 		mutex_lock(&mvm->mutex);

From 013290aa46689a97447ef93c7058436315e476d7 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 4 Aug 2014 13:38:48 +0200
Subject: [PATCH 35/36] iwlwifi: mvm: clean up broadcast station handling

Unify all the functions that handle the per-interface broadcast
station and make them have mvm and vif parameters. While at it,
add a new function to allocate the broadcast station instead of
open-coding it, and make the combined alloc+send and free+send
functions use the alloc/free & send functions.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c | 26 +++------
 drivers/net/wireless/iwlwifi/mvm/sta.c      | 61 ++++++++++++++-------
 drivers/net/wireless/iwlwifi/mvm/sta.h      | 15 ++---
 3 files changed, 57 insertions(+), 45 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index ac2b11a52b9f..78ed6bc326a0 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -971,19 +971,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 	 */
 	if (vif->type == NL80211_IFTYPE_AP ||
 	    vif->type == NL80211_IFTYPE_ADHOC) {
-		u32 qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
-
-		/*
-		 * The firmware defines the TFD queue mask to only be relevant
-		 * for *unicast* queues, so the multicast (CAB) queue should
-		 * be excluded.
-		 */
-		if (vif->type == NL80211_IFTYPE_AP)
-			qmask &= ~BIT(vif->cab_queue);
-
-		ret = iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta,
-					       qmask,
-					       ieee80211_vif_type_p2p(vif));
+		ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
 		if (ret) {
 			IWL_ERR(mvm, "Failed to allocate bcast sta\n");
 			goto out_release;
@@ -1031,7 +1019,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
 		if (ret)
 			goto out_unref_phy;
 
-		ret = iwl_mvm_add_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
+		ret = iwl_mvm_add_bcast_sta(mvm, vif);
 		if (ret)
 			goto out_unbind;
 
@@ -1128,13 +1116,13 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
 			mvm->noa_duration = 0;
 		}
 #endif
-		iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
+		iwl_mvm_dealloc_bcast_sta(mvm, vif);
 		goto out_release;
 	}
 
 	if (vif->type == NL80211_IFTYPE_P2P_DEVICE) {
 		mvm->p2p_device_vif = NULL;
-		iwl_mvm_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
+		iwl_mvm_rm_bcast_sta(mvm, vif);
 		iwl_mvm_binding_remove_vif(mvm, vif);
 		iwl_mvm_phy_ctxt_unref(mvm, mvmvif->phy_ctxt);
 		mvmvif->phy_ctxt = NULL;
@@ -1633,7 +1621,7 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
 
 	/* Send the bcast station. At this stage the TBTT and DTIM time events
 	 * are added and applied to the scheduler */
-	ret = iwl_mvm_send_bcast_sta(mvm, vif, &mvmvif->bcast_sta);
+	ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
 	if (ret)
 		goto out_unbind;
 
@@ -1665,7 +1653,7 @@ static int iwl_mvm_start_ap_ibss(struct ieee80211_hw *hw,
 out_quota_failed:
 	iwl_mvm_power_update_mac(mvm);
 	mvmvif->ap_ibss_active = false;
-	iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
+	iwl_mvm_send_rm_bcast_sta(mvm, vif);
 out_unbind:
 	iwl_mvm_binding_remove_vif(mvm, vif);
 out_remove:
@@ -1710,7 +1698,7 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
 		iwl_mvm_mac_ctxt_changed(mvm, mvm->p2p_device_vif, false, NULL);
 
 	iwl_mvm_update_quotas(mvm, NULL);
-	iwl_mvm_send_rm_bcast_sta(mvm, &mvmvif->bcast_sta);
+	iwl_mvm_send_rm_bcast_sta(mvm, vif);
 	iwl_mvm_binding_remove_vif(mvm, vif);
 
 	iwl_mvm_power_update_mac(mvm);
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index ccfc256b710a..ef61979aa286 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -558,10 +558,10 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm)
  * @vif: the interface to which the broadcast station is added
  * @bsta: the broadcast station to add.
  */
-int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			   struct iwl_mvm_int_sta *bsta)
+int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	struct iwl_mvm_int_sta *bsta = &mvmvif->bcast_sta;
 	static const u8 _baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
 	const u8 *baddr = _baddr;
 
@@ -579,19 +579,40 @@ int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 
 /* Send the FW a request to remove the station from it's internal data
  * structures, but DO NOT remove the entry from the local data structures. */
-int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm,
-			      struct iwl_mvm_int_sta *bsta)
+int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 {
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
 	int ret;
 
 	lockdep_assert_held(&mvm->mutex);
 
-	ret = iwl_mvm_rm_sta_common(mvm, bsta->sta_id);
+	ret = iwl_mvm_rm_sta_common(mvm, mvmvif->bcast_sta.sta_id);
 	if (ret)
 		IWL_WARN(mvm, "Failed sending remove station\n");
 	return ret;
 }
 
+int iwl_mvm_alloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+	u32 qmask;
+
+	lockdep_assert_held(&mvm->mutex);
+
+	qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
+
+	/*
+	 * The firmware defines the TFD queue mask to only be relevant
+	 * for *unicast* queues, so the multicast (CAB) queue shouldn't
+	 * be included.
+	 */
+	if (vif->type == NL80211_IFTYPE_AP)
+		qmask &= ~BIT(vif->cab_queue);
+
+	return iwl_mvm_allocate_int_sta(mvm, &mvmvif->bcast_sta, qmask,
+					ieee80211_vif_type_p2p(vif));
+}
+
 /* Allocate a new station entry for the broadcast station to the given vif,
  * and send it to the FW.
  * Note that each P2P mac should have its own broadcast station.
@@ -599,45 +620,47 @@ int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm,
  * @mvm: the mvm component
  * @vif: the interface to which the broadcast station is added
  * @bsta: the broadcast station to add. */
-int iwl_mvm_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			  struct iwl_mvm_int_sta *bsta)
+int iwl_mvm_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 {
 	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
-	static const u8 baddr[] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
-	u32 qmask;
+	struct iwl_mvm_int_sta *bsta = &mvmvif->bcast_sta;
 	int ret;
 
 	lockdep_assert_held(&mvm->mutex);
 
-	qmask = iwl_mvm_mac_get_queues_mask(mvm, vif);
-	ret = iwl_mvm_allocate_int_sta(mvm, bsta, qmask,
-				       ieee80211_vif_type_p2p(vif));
+	ret = iwl_mvm_alloc_bcast_sta(mvm, vif);
 	if (ret)
 		return ret;
 
-	ret = iwl_mvm_add_int_sta_common(mvm, bsta, baddr,
-					 mvmvif->id, mvmvif->color);
+	ret = iwl_mvm_send_add_bcast_sta(mvm, vif);
 
 	if (ret)
 		iwl_mvm_dealloc_int_sta(mvm, bsta);
+
 	return ret;
 }
 
+void iwl_mvm_dealloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
+{
+	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+
+	iwl_mvm_dealloc_int_sta(mvm, &mvmvif->bcast_sta);
+}
+
 /*
  * Send the FW a request to remove the station from it's internal data
  * structures, and in addition remove it from the local data structure.
  */
-int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *bsta)
+int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 {
 	int ret;
 
 	lockdep_assert_held(&mvm->mutex);
 
-	ret = iwl_mvm_rm_sta_common(mvm, bsta->sta_id);
-	if (ret)
-		return ret;
+	ret = iwl_mvm_send_rm_bcast_sta(mvm, vif);
+
+	iwl_mvm_dealloc_bcast_sta(mvm, vif);
 
-	iwl_mvm_dealloc_int_sta(mvm, bsta);
 	return ret;
 }
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h
index ea4985eb8fa9..15984fef12b2 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.h
@@ -393,13 +393,14 @@ int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta,
 			     u32 qmask, enum nl80211_iftype iftype);
 void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm,
 			     struct iwl_mvm_int_sta *sta);
-int iwl_mvm_send_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			   struct iwl_mvm_int_sta *bsta);
-int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm,
-			      struct iwl_mvm_int_sta *bsta);
-int iwl_mvm_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
-			  struct iwl_mvm_int_sta *bsta);
-int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *bsta);
+
+int iwl_mvm_alloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+int iwl_mvm_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+int iwl_mvm_send_rm_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+int iwl_mvm_rm_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+void iwl_mvm_dealloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
+
 void iwl_mvm_sta_drained_wk(struct work_struct *wk);
 void iwl_mvm_sta_modify_ps_wake(struct iwl_mvm *mvm,
 				struct ieee80211_sta *sta);

From 712b24adc105518f7cbbb6f9f353efea48954bb9 Mon Sep 17 00:00:00 2001
From: Johannes Berg <johannes.berg@intel.com>
Date: Mon, 4 Aug 2014 14:14:14 +0200
Subject: [PATCH 36/36] iwlwifi: mvm: clean up AUX station handling

The auxiliary station is being handled using the internal
station helper functions, clean that up and make the helpers
static.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/mac80211.c |  2 +-
 drivers/net/wireless/iwlwifi/mvm/sta.c      | 15 ++++++++++++---
 drivers/net/wireless/iwlwifi/mvm/sta.h      |  5 +----
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 78ed6bc326a0..8d1d4b40b0a3 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -886,7 +886,7 @@ static void iwl_mvm_mac_stop(struct ieee80211_hw *hw)
 	/* async_handlers_list is empty and will stay empty: HW is stopped */
 
 	/* the fw is stopped, the aux sta is dead: clean up driver state */
-	iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
+	iwl_mvm_del_aux_sta(mvm);
 
 	mutex_unlock(&mvm->mutex);
 
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.c b/drivers/net/wireless/iwlwifi/mvm/sta.c
index ef61979aa286..dd9f3a4347f6 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.c
@@ -464,8 +464,9 @@ int iwl_mvm_rm_sta_id(struct iwl_mvm *mvm,
 	return ret;
 }
 
-int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta,
-			     u32 qmask, enum nl80211_iftype iftype)
+static int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm,
+				    struct iwl_mvm_int_sta *sta,
+				    u32 qmask, enum nl80211_iftype iftype)
 {
 	if (!test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) {
 		sta->sta_id = iwl_mvm_find_free_sta_id(mvm, iftype);
@@ -480,7 +481,8 @@ int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta,
 	return 0;
 }
 
-void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta)
+static void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm,
+				    struct iwl_mvm_int_sta *sta)
 {
 	RCU_INIT_POINTER(mvm->fw_id_to_mac_id[sta->sta_id], NULL);
 	memset(sta, 0, sizeof(struct iwl_mvm_int_sta));
@@ -550,6 +552,13 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm)
 	return ret;
 }
 
+void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm)
+{
+	lockdep_assert_held(&mvm->mutex);
+
+	iwl_mvm_dealloc_int_sta(mvm, &mvm->aux_sta);
+}
+
 /*
  * Send the add station command for the vif's broadcast station.
  * Assumes that the station was already allocated.
diff --git a/drivers/net/wireless/iwlwifi/mvm/sta.h b/drivers/net/wireless/iwlwifi/mvm/sta.h
index 15984fef12b2..aeb3a7f80ceb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/sta.h
+++ b/drivers/net/wireless/iwlwifi/mvm/sta.h
@@ -389,10 +389,7 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta, u16 tid);
 
 int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm);
-int iwl_mvm_allocate_int_sta(struct iwl_mvm *mvm, struct iwl_mvm_int_sta *sta,
-			     u32 qmask, enum nl80211_iftype iftype);
-void iwl_mvm_dealloc_int_sta(struct iwl_mvm *mvm,
-			     struct iwl_mvm_int_sta *sta);
+void iwl_mvm_del_aux_sta(struct iwl_mvm *mvm);
 
 int iwl_mvm_alloc_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);
 int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif);