Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

drivers/net/wireless/iwlwifi/iwl-8000.c

@@ -81,7 +81,7 @@
 #define IWL8000_NVM_VERSION		0x0a1d
 #define IWL8000_TX_POWER_VERSION	0xffff /* meaningless */
 
-#define IWL8000_FW_PRE "iwlwifi-8000-"
+#define IWL8000_FW_PRE "iwlwifi-8000"
 #define IWL8000_MODULE_FIRMWARE(api) IWL8000_FW_PRE __stringify(api) ".ucode"
 
 #define NVM_HW_SECTION_NUM_FAMILY_8000		10

drivers/net/wireless/iwlwifi/iwl-drv.c

@@ -69,6 +69,7 @@
 #include <linux/vmalloc.h>
 
 #include "iwl-drv.h"
+#include "iwl-csr.h"
 #include "iwl-debug.h"
 #include "iwl-trans.h"
 #include "iwl-op-mode.h"
@@ -244,6 +245,23 @@ static int iwl_request_firmware(struct iwl_drv *drv, bool first)
 	snprintf(drv->firmware_name, sizeof(drv->firmware_name), "%s%s.ucode",
 		 name_pre, tag);
 
+	/*
+	 * Starting 8000B - FW name format has changed. This overwrites the
+	 * previous name and uses the new format.
+	 */
+	if (drv->trans->cfg->device_family == IWL_DEVICE_FAMILY_8000) {
+		char rev_step[2] = {
+			'A' + CSR_HW_REV_STEP(drv->trans->hw_rev), 0
+		};
+
+		/* A-step doesn't have an indication */
+		if (CSR_HW_REV_STEP(drv->trans->hw_rev) == SILICON_A_STEP)
+			rev_step[0] = 0;
+
+		snprintf(drv->firmware_name, sizeof(drv->firmware_name),
+			 "%s%s-%s.ucode", name_pre, rev_step, tag);
+	}
+
 	IWL_DEBUG_INFO(drv, "attempting to load firmware %s'%s'\n",
 		       (drv->fw_index == UCODE_EXPERIMENTAL_INDEX)
 				? "EXPERIMENTAL " : "",

drivers/net/wireless/iwlwifi/iwl-fw.h

@@ -145,9 +145,24 @@ enum iwl_ucode_tlv_api {
 /**
  * enum iwl_ucode_tlv_capa - ucode capabilities
  * @IWL_UCODE_TLV_CAPA_D0I3_SUPPORT: supports D0i3
+ * @IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT: supports insertion of current
+ *	tx power value into TPC Report action frame and Link Measurement Report
+ *	action frame
+ * @IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT: supports adding DS params
+ *	element in probe requests.
+ * @IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT: supports adding TPC Report IE in
+ *	probe requests.
+ * @IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT: supports Quiet Period requests
+ * @IWL_UCODE_TLV_CAPA_DQA_SUPPORT: supports dynamic queue allocation (DQA),
+ *	which also implies support for the scheduler configuration command
  */
 enum iwl_ucode_tlv_capa {
 	IWL_UCODE_TLV_CAPA_D0I3_SUPPORT			= BIT(0),
+	IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT	= BIT(8),
+	IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT	= BIT(9),
+	IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT	= BIT(10),
+	IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT		= BIT(11),
+	IWL_UCODE_TLV_CAPA_DQA_SUPPORT			= BIT(12),
 };
 
 /* The default calibrate table size if not specified by firmware file */

drivers/net/wireless/iwlwifi/mvm/constants.h

@@ -90,9 +90,10 @@
 #define IWL_MVM_BT_COEX_EN_RED_TXP_THRESH	62
 #define IWL_MVM_BT_COEX_DIS_RED_TXP_THRESH	65
 #define IWL_MVM_BT_COEX_SYNC2SCO		1
-#define IWL_MVM_BT_COEX_CORUNNING		1
+#define IWL_MVM_BT_COEX_CORUNNING		0
 #define IWL_MVM_BT_COEX_MPLUT			1
 #define IWL_MVM_FW_MCAST_FILTER_PASS_ALL	0
 #define IWL_MVM_QUOTA_THRESHOLD			8
+#define IWL_MVM_RS_RSSI_BASED_INIT_RATE         0
 
 #endif /* __MVM_CONSTANTS_H */

drivers/net/wireless/iwlwifi/mvm/debugfs.c

@@ -326,6 +326,29 @@ static ssize_t iwl_dbgfs_set_nic_temperature_write(struct iwl_mvm *mvm,
 	return count;
 }
 
+static ssize_t iwl_dbgfs_nic_temp_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, temp;
+
+	if (!mvm->ucode_loaded)
+		return -EIO;
+
+	mutex_lock(&mvm->mutex);
+	temp = iwl_mvm_get_temp(mvm);
+	mutex_unlock(&mvm->mutex);
+
+	if (temp < 0)
+		return temp;
+
+	pos = scnprintf(buf , sizeof(buf), "%d\n", temp);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
 static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 				       size_t count, loff_t *ppos)
 {
@@ -1378,6 +1401,7 @@ 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(nic_temp);
 MVM_DEBUGFS_READ_FILE_OPS(stations);
 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
@@ -1420,6 +1444,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 	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(nic_temp, dbgfs_dir, 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);

drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h

@@ -670,6 +670,8 @@ struct iwl_scan_channel_opt {
  * @IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE: send iteration complete notification
  * @IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS multiple SSID matching
  * @IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED: all passive scans will be fragmented
+ * @IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED: insert WFA vendor-specific TPC report
+ *	and DS parameter set IEs into probe requests.
  */
 enum iwl_mvm_lmac_scan_flags {
 	IWL_MVM_LMAC_SCAN_FLAG_PASS_ALL		= BIT(0),
@@ -678,6 +680,7 @@ enum iwl_mvm_lmac_scan_flags {
 	IWL_MVM_LMAC_SCAN_FLAG_ITER_COMPLETE	= BIT(3),
 	IWL_MVM_LMAC_SCAN_FLAG_MULTIPLE_SSIDS	= BIT(4),
 	IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED	= BIT(5),
+	IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED	= BIT(6),
 };
 
 enum iwl_scan_priority {

drivers/net/wireless/iwlwifi/mvm/fw-api-tx.h

@@ -66,6 +66,7 @@
 /**
  * enum iwl_tx_flags - bitmasks for tx_flags in TX command
  * @TX_CMD_FLG_PROT_REQUIRE: use RTS or CTS-to-self to protect the frame
+ * @TX_CMD_FLG_WRITE_TX_POWER: update current tx power value in the mgmt frame
  * @TX_CMD_FLG_ACK: expect ACK from receiving station
  * @TX_CMD_FLG_STA_RATE: use RS table with initial index from the TX command.
  *	Otherwise, use rate_n_flags from the TX command
@@ -97,6 +98,7 @@
  */
 enum iwl_tx_flags {
 	TX_CMD_FLG_PROT_REQUIRE		= BIT(0),
+	TX_CMD_FLG_WRITE_TX_POWER	= BIT(1),
 	TX_CMD_FLG_ACK			= BIT(3),
 	TX_CMD_FLG_STA_RATE		= BIT(4),
 	TX_CMD_FLG_BAR			= BIT(6),

drivers/net/wireless/iwlwifi/mvm/fw-api.h

@@ -116,6 +116,9 @@ enum {
 	TXPATH_FLUSH = 0x1e,
 	MGMT_MCAST_KEY = 0x1f,
 
+	/* scheduler config */
+	SCD_QUEUE_CFG = 0x1d,
+
 	/* global key */
 	WEP_KEY = 0x20,
 
@@ -1650,4 +1653,61 @@ struct iwl_dts_measurement_notif {
 	__le32 voltage;
 } __packed; /* TEMPERATURE_MEASUREMENT_TRIGGER_NTFY_S */
 
+/**
+ * enum iwl_scd_control - scheduler config command control flags
+ * @IWL_SCD_CONTROL_RM_TID: remove TID from this queue
+ * @IWL_SCD_CONTROL_SET_SSN: use the SSN and program it into HW
+ */
+enum iwl_scd_control {
+	IWL_SCD_CONTROL_RM_TID	= BIT(4),
+	IWL_SCD_CONTROL_SET_SSN	= BIT(5),
+};
+
+/**
+ * enum iwl_scd_flags - scheduler config command flags
+ * @IWL_SCD_FLAGS_SHARE_TID: multiple TIDs map to this queue
+ * @IWL_SCD_FLAGS_SHARE_RA: multiple RAs map to this queue
+ * @IWL_SCD_FLAGS_DQA_ENABLED: DQA is enabled
+ */
+enum iwl_scd_flags {
+	IWL_SCD_FLAGS_SHARE_TID		= BIT(0),
+	IWL_SCD_FLAGS_SHARE_RA		= BIT(1),
+	IWL_SCD_FLAGS_DQA_ENABLED	= BIT(2),
+};
+
+#define IWL_SCDQ_INVALID_STA	0xff
+
+/**
+ * struct iwl_scd_txq_cfg_cmd - New txq hw scheduler config command
+ * @token:	dialog token addba - unused legacy
+ * @sta_id:	station id 4-bit
+ * @tid:	TID 0..7
+ * @scd_queue:	TFD queue num 0 .. 31
+ * @enable:	1 queue enable, 0 queue disable
+ * @aggregate:	1 aggregated queue, 0 otherwise
+ * @tx_fifo:	tx fifo num 0..7
+ * @window:	up to 64
+ * @ssn:	starting seq num 12-bit
+ * @control:	command control flags
+ * @flags:	flags - see &enum iwl_scd_flags
+ *
+ * Note that every time the command is sent, all parameters must
+ * be filled with the exception of
+ *  - the SSN, which is only used with @IWL_SCD_CONTROL_SET_SSN
+ *  - the window, which is only relevant when starting aggregation
+ */
+struct iwl_scd_txq_cfg_cmd {
+	u8 token;
+	u8 sta_id;
+	u8 tid;
+	u8 scd_queue;
+	u8 enable;
+	u8 aggregate;
+	u8 tx_fifo;
+	u8 window;
+	__le16 ssn;
+	u8 control;
+	u8 flags;
+} __packed;
+
 #endif /* __fw_api_h__ */

drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c

@@ -427,16 +427,16 @@ int iwl_mvm_mac_ctxt_init(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 
 	switch (vif->type) {
 	case NL80211_IFTYPE_P2P_DEVICE:
-		iwl_trans_ac_txq_enable(mvm->trans, IWL_MVM_OFFCHANNEL_QUEUE,
+		iwl_mvm_enable_ac_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE,
 				      IWL_MVM_TX_FIFO_VO);
 		break;
 	case NL80211_IFTYPE_AP:
-		iwl_trans_ac_txq_enable(mvm->trans, vif->cab_queue,
+		iwl_mvm_enable_ac_txq(mvm, vif->cab_queue,
 				      IWL_MVM_TX_FIFO_MCAST);
 		/* fall through */
 	default:
 		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-			iwl_trans_ac_txq_enable(mvm->trans, vif->hw_queue[ac],
+			iwl_mvm_enable_ac_txq(mvm, vif->hw_queue[ac],
 					      iwl_mvm_ac_to_tx_fifo[ac]);
 		break;
 	}
@@ -452,16 +452,14 @@ 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,
-				      true);
+		iwl_mvm_disable_txq(mvm, IWL_MVM_OFFCHANNEL_QUEUE);
 		break;
 	case NL80211_IFTYPE_AP:
-		iwl_trans_txq_disable(mvm->trans, vif->cab_queue, true);
+		iwl_mvm_disable_txq(mvm, vif->cab_queue);
 		/* fall through */
 	default:
 		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-			iwl_trans_txq_disable(mvm->trans, vif->hw_queue[ac],
-					      true);
+			iwl_mvm_disable_txq(mvm, vif->hw_queue[ac]);
 	}
 }
 

drivers/net/wireless/iwlwifi/mvm/mac80211.c

@@ -279,14 +279,6 @@ static void iwl_mvm_reset_phy_ctxts(struct iwl_mvm *mvm)
 	}
 }
 
-static int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm)
-{
-	/* we create the 802.11 header and SSID element */
-	if (mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID)
-		return mvm->fw->ucode_capa.max_probe_length - 24 - 2;
-	return mvm->fw->ucode_capa.max_probe_length - 24 - 34;
-}
-
 int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 {
 	struct ieee80211_hw *hw = mvm->hw;
@@ -303,7 +295,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 		    IEEE80211_HW_AMPDU_AGGREGATION |
 		    IEEE80211_HW_TIMING_BEACON_ONLY |
 		    IEEE80211_HW_CONNECTION_MONITOR |
-		    IEEE80211_HW_CHANCTX_STA_CSA;
+		    IEEE80211_HW_CHANCTX_STA_CSA |
+		    IEEE80211_HW_SUPPORTS_CLONED_SKBS;
 
 	hw->queues = mvm->first_agg_queue;
 	hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
@@ -378,7 +371,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 
 	iwl_mvm_reset_phy_ctxts(mvm);
 
-	hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm);
+	hw->wiphy->max_scan_ie_len = iwl_mvm_max_scan_ie_len(mvm, false);
 
 	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
 
@@ -411,6 +404,22 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 			       NL80211_FEATURE_DYNAMIC_SMPS |
 			       NL80211_FEATURE_STATIC_SMPS;
 
+	if (mvm->fw->ucode_capa.capa[0] &
+	    IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT)
+		hw->wiphy->features |= NL80211_FEATURE_TX_POWER_INSERTION;
+	if (mvm->fw->ucode_capa.capa[0] &
+	    IWL_UCODE_TLV_CAPA_QUIET_PERIOD_SUPPORT)
+		hw->wiphy->features |= NL80211_FEATURE_QUIET;
+
+	if (mvm->fw->ucode_capa.capa[0] &
+	    IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT)
+		hw->wiphy->features |=
+			NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES;
+
+	if (mvm->fw->ucode_capa.capa[0] &
+	    IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)
+		hw->wiphy->features |= NL80211_FEATURE_WFA_TPC_IE_IN_PROBES;
+
 	mvm->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
 
 	/* currently FW API supports only one optional cipher scheme */
@@ -2135,7 +2144,13 @@ static int iwl_mvm_mac_sched_scan_start(struct ieee80211_hw *hw,
 
 	mutex_lock(&mvm->mutex);
 
-	if (!iwl_mvm_is_idle(mvm)) {
+	/* Newest FW fixes sched scan while connected on another interface */
+	if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) {
+		if (!vif->bss_conf.idle) {
+			ret = -EBUSY;
+			goto out;
+		}
+	} else if (!iwl_mvm_is_idle(mvm)) {
 		ret = -EBUSY;
 		goto out;
 	}

drivers/net/wireless/iwlwifi/mvm/mvm.h

@@ -779,6 +779,11 @@ static inline bool iwl_mvm_is_d0i3_supported(struct iwl_mvm *mvm)
 	       (mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_D0I3_SUPPORT);
 }
 
+static inline bool iwl_mvm_is_dqa_supported(struct iwl_mvm *mvm)
+{
+	return mvm->fw->ucode_capa.capa[0] & IWL_UCODE_TLV_CAPA_DQA_SUPPORT;
+}
+
 extern const u8 iwl_mvm_ac_to_tx_fifo[];
 
 struct iwl_rate_info {
@@ -930,6 +935,7 @@ int iwl_mvm_rx_scan_response(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 int iwl_mvm_rx_scan_complete(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 			     struct iwl_device_cmd *cmd);
 int iwl_mvm_cancel_scan(struct iwl_mvm *mvm);
+int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan);
 
 /* Scheduled scan */
 int iwl_mvm_rx_scan_offload_complete_notif(struct iwl_mvm *mvm,
@@ -984,6 +990,9 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm,
 				struct iwl_mvm_frame_stats *stats,
 				u32 rate, bool agg);
 int rs_pretty_print_rate(char *buf, const u32 rate);
+void rs_update_last_rssi(struct iwl_mvm *mvm,
+			 struct iwl_lq_sta *lq_sta,
+			 struct ieee80211_rx_status *rx_status);
 
 /* power management */
 int iwl_mvm_power_update_device(struct iwl_mvm *mvm);
@@ -1141,6 +1150,39 @@ static inline bool iwl_mvm_vif_low_latency(struct iwl_mvm_vif *mvmvif)
 	return mvmvif->low_latency;
 }
 
+/* hw scheduler queue config */
+void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
+			const struct iwl_trans_txq_scd_cfg *cfg);
+void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue);
+
+static inline void iwl_mvm_enable_ac_txq(struct iwl_mvm *mvm, int queue,
+					 u8 fifo)
+{
+	struct iwl_trans_txq_scd_cfg cfg = {
+		.fifo = fifo,
+		.tid = IWL_MAX_TID_COUNT,
+		.aggregate = false,
+		.frame_limit = IWL_FRAME_LIMIT,
+	};
+
+	iwl_mvm_enable_txq(mvm, queue, 0, &cfg);
+}
+
+static inline void iwl_mvm_enable_agg_txq(struct iwl_mvm *mvm, 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,
+		.aggregate = true,
+	};
+
+	iwl_mvm_enable_txq(mvm, queue, ssn, &cfg);
+}
+
 /* Assoc status */
 bool iwl_mvm_is_idle(struct iwl_mvm *mvm);
 
@@ -1150,6 +1192,7 @@ void iwl_mvm_tt_handler(struct iwl_mvm *mvm);
 void iwl_mvm_tt_initialize(struct iwl_mvm *mvm, u32 min_backoff);
 void iwl_mvm_tt_exit(struct iwl_mvm *mvm);
 void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state);
+int iwl_mvm_get_temp(struct iwl_mvm *mvm);
 
 /* smart fifo */
 int iwl_mvm_sf_update(struct iwl_mvm *mvm, struct ieee80211_vif *vif,

drivers/net/wireless/iwlwifi/mvm/ops.c

@@ -342,6 +342,7 @@ static const char *const iwl_mvm_cmd_strings[REPLY_MAX] = {
 	CMD(BT_COEX_UPDATE_REDUCED_TXP),
 	CMD(PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION),
 	CMD(ANTENNA_COUPLING_NOTIFICATION),
+	CMD(SCD_QUEUE_CFG),
 };
 #undef CMD
 
@@ -421,7 +422,7 @@ 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;
+	mvm->low_latency_agg_frame_limit = 6;
 
 	mutex_init(&mvm->mutex);
 	mutex_init(&mvm->d0i3_suspend_mutex);

drivers/net/wireless/iwlwifi/mvm/rs.h

@@ -376,6 +376,10 @@ struct iwl_lq_sta {
 void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
 			  enum ieee80211_band band, bool init);
 
+/* Notify RS about Tx status */
+void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+			  int tid, struct ieee80211_tx_info *info);
+
 /**
  * iwl_rate_control_register - Register the rate control algorithm callbacks
  *

drivers/net/wireless/iwlwifi/mvm/rx.c

@@ -246,6 +246,7 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_rx_phy_info *phy_info;
 	struct iwl_rx_mpdu_res_start *rx_res;
+	struct ieee80211_sta *sta;
 	u32 len;
 	u32 ampdu_status;
 	u32 rate_n_flags;
@@ -260,23 +261,6 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 
 	memset(&rx_status, 0, sizeof(rx_status));
 
-	/*
-	 * We have tx blocked stations (with CS bit). If we heard frames from
-	 * a blocked station on a new channel we can TX to it again.
-	 */
-	if (unlikely(mvm->csa_tx_block_bcn_timeout)) {
-		struct ieee80211_sta *sta;
-
-		rcu_read_lock();
-
-		sta = ieee80211_find_sta(
-			rcu_dereference(mvm->csa_tx_blocked_vif), hdr->addr2);
-		if (sta)
-			iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false);
-
-		rcu_read_unlock();
-	}
-
 	/*
 	 * drop the packet if it has failed being decrypted by HW
 	 */
@@ -325,6 +309,29 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 	IWL_DEBUG_STATS_LIMIT(mvm, "Rssi %d, TSF %llu\n", rx_status.signal,
 			      (unsigned long long)rx_status.mactime);
 
+	rcu_read_lock();
+	/*
+	 * We have tx blocked stations (with CS bit). If we heard frames from
+	 * a blocked station on a new channel we can TX to it again.
+	 */
+	if (unlikely(mvm->csa_tx_block_bcn_timeout)) {
+		sta = ieee80211_find_sta(
+			rcu_dereference(mvm->csa_tx_blocked_vif), hdr->addr2);
+		if (sta)
+			iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, false);
+	}
+
+	/* This is fine since we don't support multiple AP interfaces */
+	sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL);
+	if (sta) {
+		struct iwl_mvm_sta *mvmsta;
+		mvmsta = iwl_mvm_sta_from_mac80211(sta);
+		rs_update_last_rssi(mvm, &mvmsta->lq_sta,
+				    &rx_status);
+	}
+
+	rcu_read_unlock();
+
 	/* set the preamble flag if appropriate */
 	if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_SHORT_PREAMBLE))
 		rx_status.flag |= RX_FLAG_SHORTPRE;

drivers/net/wireless/iwlwifi/mvm/scan.c

@@ -339,6 +339,55 @@ static void iwl_mvm_scan_calc_params(struct iwl_mvm *mvm,
 	}
 }
 
+static inline bool iwl_mvm_rrm_scan_needed(struct iwl_mvm *mvm)
+{
+	/* require rrm scan whenever the fw supports it */
+	return mvm->fw->ucode_capa.capa[0] &
+	       IWL_UCODE_TLV_CAPA_DS_PARAM_SET_IE_SUPPORT;
+}
+
+static int iwl_mvm_max_scan_ie_fw_cmd_room(struct iwl_mvm *mvm,
+					   bool is_sched_scan)
+{
+	int max_probe_len;
+
+	if (mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN)
+		max_probe_len = SCAN_OFFLOAD_PROBE_REQ_SIZE;
+	else
+		max_probe_len = mvm->fw->ucode_capa.max_probe_length;
+
+	/* we create the 802.11 header and SSID element */
+	max_probe_len -= 24 + 2;
+
+	/* basic ssid is added only for hw_scan with and old api */
+	if (!(mvm->fw->ucode_capa.flags & IWL_UCODE_TLV_FLAGS_NO_BASIC_SSID) &&
+	    !(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN) &&
+	    !is_sched_scan)
+		max_probe_len -= 32;
+
+	return max_probe_len;
+}
+
+int iwl_mvm_max_scan_ie_len(struct iwl_mvm *mvm, bool is_sched_scan)
+{
+	int max_ie_len = iwl_mvm_max_scan_ie_fw_cmd_room(mvm, is_sched_scan);
+
+	if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_LMAC_SCAN))
+		return max_ie_len;
+
+	/* TODO: [BUG] This function should return the maximum allowed size of
+	 * scan IEs, however the LMAC scan api contains both 2GHZ and 5GHZ IEs
+	 * in the same command. So the correct implementation of this function
+	 * is just iwl_mvm_max_scan_ie_fw_cmd_room() / 2. Currently the scan
+	 * command has only 512 bytes and it would leave us with about 240
+	 * bytes for scan IEs, which is clearly not enough. So meanwhile
+	 * we will report an incorrect value. This may result in a failure to
+	 * issue a scan in unified_scan_lmac and unified_sched_scan_lmac
+	 * functions with -ENOBUFS, if a large enough probe will be provided.
+	 */
+	return max_ie_len;
+}
+
 int iwl_mvm_scan_request(struct iwl_mvm *mvm,
 			 struct ieee80211_vif *vif,
 			 struct cfg80211_scan_request *req)
@@ -1153,6 +1202,10 @@ iwl_mvm_build_generic_unified_scan_cmd(struct iwl_mvm *mvm,
 				    IWL_SCAN_CHANNEL_FLAG_EBS_ACCURATE |
 				    IWL_SCAN_CHANNEL_FLAG_CACHE_ADD);
 	}
+
+	if (iwl_mvm_rrm_scan_needed(mvm))
+		cmd->scan_flags |=
+			cpu_to_le32(IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED);
 }
 
 int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
@@ -1180,13 +1233,12 @@ int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
 	if (WARN_ON(mvm->scan_cmd == NULL))
 		return -ENOMEM;
 
-	if (WARN_ON_ONCE(req->req.n_ssids > PROBE_OPTION_MAX ||
-			 req->ies.common_ie_len + req->ies.len[0] +
-				req->ies.len[1] + 24 + 2 >
-					SCAN_OFFLOAD_PROBE_REQ_SIZE ||
-			 req->req.n_channels >
-				mvm->fw->ucode_capa.n_scan_channels))
-		return -1;
+	if (req->req.n_ssids > PROBE_OPTION_MAX ||
+	    req->ies.common_ie_len + req->ies.len[NL80211_BAND_2GHZ] +
+	    req->ies.len[NL80211_BAND_5GHZ] >
+		iwl_mvm_max_scan_ie_fw_cmd_room(mvm, false) ||
+	    req->req.n_channels > mvm->fw->ucode_capa.n_scan_channels)
+		return -ENOBUFS;
 
 	mvm->scan_status = IWL_MVM_SCAN_OS;
 
@@ -1208,7 +1260,7 @@ int iwl_mvm_unified_scan_lmac(struct iwl_mvm *mvm,
 	if (req->req.n_ssids == 0)
 		flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE;
 
-	cmd->scan_flags = cpu_to_le32(flags);
+	cmd->scan_flags |= cpu_to_le32(flags);
 
 	cmd->flags = iwl_mvm_scan_rxon_flags(req->req.channels[0]->band);
 	cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP |
@@ -1274,10 +1326,11 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
 	if (WARN_ON(mvm->scan_cmd == NULL))
 		return -ENOMEM;
 
-	if (WARN_ON_ONCE(req->n_ssids > PROBE_OPTION_MAX ||
-			 ies->common_ie_len + ies->len[0] + ies->len[1] + 24 + 2
-				> SCAN_OFFLOAD_PROBE_REQ_SIZE ||
-			 req->n_channels > mvm->fw->ucode_capa.n_scan_channels))
+	if (req->n_ssids > PROBE_OPTION_MAX ||
+	    ies->common_ie_len + ies->len[NL80211_BAND_2GHZ] +
+	    ies->len[NL80211_BAND_5GHZ] >
+		iwl_mvm_max_scan_ie_fw_cmd_room(mvm, true) ||
+	    req->n_channels > mvm->fw->ucode_capa.n_scan_channels)
 		return -ENOBUFS;
 
 	iwl_mvm_scan_calc_params(mvm, vif, req->n_ssids, 0, &params);
@@ -1305,7 +1358,7 @@ int iwl_mvm_unified_sched_scan_lmac(struct iwl_mvm *mvm,
 	if (req->n_ssids == 0)
 		flags |= IWL_MVM_LMAC_SCAN_FLAG_PASSIVE;
 
-	cmd->scan_flags = cpu_to_le32(flags);
+	cmd->scan_flags |= cpu_to_le32(flags);
 
 	cmd->flags = iwl_mvm_scan_rxon_flags(req->channels[0]->band);
 	cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP |

drivers/net/wireless/iwlwifi/mvm/sta.c

@@ -247,6 +247,7 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
 		memset(&mvm_sta->tid_data[i], 0, sizeof(mvm_sta->tid_data[i]));
 		mvm_sta->tid_data[i].seq_number = seq;
 	}
+	mvm_sta->agg_tids = 0;
 
 	ret = iwl_mvm_sta_send_to_fw(mvm, sta, false);
 	if (ret)
@@ -535,7 +536,7 @@ int iwl_mvm_add_aux_sta(struct iwl_mvm *mvm)
 	lockdep_assert_held(&mvm->mutex);
 
 	/* Map Aux queue to fifo - needs to happen before adding Aux station */
-	iwl_trans_ac_txq_enable(mvm->trans, mvm->aux_queue,
+	iwl_mvm_enable_ac_txq(mvm, mvm->aux_queue,
 			      IWL_MVM_TX_FIFO_MCAST);
 
 	/* Allocate aux station and assign to it the aux queue */
@@ -872,12 +873,16 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	int queue, fifo, ret;
 	u16 ssn;
 
+	BUILD_BUG_ON((sizeof(mvmsta->agg_tids) * BITS_PER_BYTE)
+		     != IWL_MAX_TID_COUNT);
+
 	buf_size = min_t(int, buf_size, LINK_QUAL_AGG_FRAME_LIMIT_DEF);
 
 	spin_lock_bh(&mvmsta->lock);
 	ssn = tid_data->ssn;
 	queue = tid_data->txq_id;
 	tid_data->state = IWL_AGG_ON;
+	mvmsta->agg_tids |= BIT(tid);
 	tid_data->ssn = 0xffff;
 	spin_unlock_bh(&mvmsta->lock);
 
@@ -887,7 +892,7 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	if (ret)
 		return -EIO;
 
-	iwl_trans_txq_enable(mvm->trans, queue, fifo, mvmsta->sta_id, tid,
+	iwl_mvm_enable_agg_txq(mvm, queue, fifo, mvmsta->sta_id, tid,
 			       buf_size, ssn);
 
 	/*
@@ -932,6 +937,8 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	IWL_DEBUG_TX_QUEUES(mvm, "Stop AGG: sta %d tid %d q %d state %d\n",
 			    mvmsta->sta_id, tid, txq_id, tid_data->state);
 
+	mvmsta->agg_tids &= ~BIT(tid);
+
 	switch (tid_data->state) {
 	case IWL_AGG_ON:
 		tid_data->ssn = IEEE80211_SEQ_TO_SN(tid_data->seq_number);
@@ -956,7 +963,7 @@ int iwl_mvm_sta_tx_agg_stop(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 
 		iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false);
 
-		iwl_trans_txq_disable(mvm->trans, txq_id, true);
+		iwl_mvm_disable_txq(mvm, txq_id);
 		return 0;
 	case IWL_AGG_STARTING:
 	case IWL_EMPTYING_HW_QUEUE_ADDBA:
@@ -1005,6 +1012,7 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 			    mvmsta->sta_id, tid, txq_id, tid_data->state);
 	old_state = tid_data->state;
 	tid_data->state = IWL_AGG_OFF;
+	mvmsta->agg_tids &= ~BIT(tid);
 	spin_unlock_bh(&mvmsta->lock);
 
 	if (old_state >= IWL_AGG_ON) {
@@ -1013,7 +1021,7 @@ int iwl_mvm_sta_tx_agg_flush(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 
 		iwl_mvm_sta_tx_agg(mvm, sta, tid, txq_id, false);
 
-		iwl_trans_txq_disable(mvm->trans, tid_data->txq_id, true);
+		iwl_mvm_disable_txq(mvm, tid_data->txq_id);
 	}
 
 	mvm->queue_to_mac80211[tid_data->txq_id] =

drivers/net/wireless/iwlwifi/mvm/sta.h

@@ -299,6 +299,7 @@ static inline u16 iwl_mvm_tid_queued(struct iwl_mvm_tid_data *tid_data)
  * @tx_protection: reference counter for controlling the Tx protection.
  * @tt_tx_protection: is thermal throttling enable Tx protection?
  * @disable_tx: is tx to this STA disabled?
+ * @agg_tids: bitmap of tids whose status is operational aggregated (IWL_AGG_ON)
  *
  * When mac80211 creates a station it reserves some space (hw->sta_data_size)
  * in the structure for use by driver. This structure is placed in that
@@ -323,6 +324,7 @@ struct iwl_mvm_sta {
 	bool tt_tx_protection;
 
 	bool disable_tx;
+	u8 agg_tids;
 };
 
 static inline struct iwl_mvm_sta *

drivers/net/wireless/iwlwifi/mvm/tt.c

@@ -135,7 +135,7 @@ static int iwl_mvm_get_temp_cmd(struct iwl_mvm *mvm)
 				    sizeof(cmd), &cmd);
 }
 
-static int iwl_mvm_get_temp(struct iwl_mvm *mvm)
+int iwl_mvm_get_temp(struct iwl_mvm *mvm)
 {
 	struct iwl_notification_wait wait_temp_notif;
 	static const u8 temp_notif[] = { DTS_MEASUREMENT_NOTIFICATION };

drivers/net/wireless/iwlwifi/mvm/tx.c

@@ -133,6 +133,11 @@ static void iwl_mvm_set_tx_cmd(struct iwl_mvm *mvm, struct sk_buff *skb,
 	    !is_multicast_ether_addr(ieee80211_get_DA(hdr)))
 		tx_flags |= TX_CMD_FLG_PROT_REQUIRE;
 
+	if ((mvm->fw->ucode_capa.capa[0] &
+	     IWL_UCODE_TLV_CAPA_TXPOWER_INSERTION_SUPPORT) &&
+	    ieee80211_action_contains_tpc(skb))
+		tx_flags |= TX_CMD_FLG_WRITE_TX_POWER;
+
 	tx_cmd->tx_flags = cpu_to_le32(tx_flags);
 	/* Total # bytes to be transmitted */
 	tx_cmd->len = cpu_to_le16((u16)skb->len);
@@ -488,11 +493,11 @@ 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, true);
+		iwl_mvm_disable_txq(mvm, tid_data->txq_id);
 		tid_data->state = IWL_AGG_OFF;
 		/*
 		 * we can't hold the mutex - but since we are after a sequence
-		 * point (call to iwl_trans_txq_disable), so we don't even need
+		 * point (call to iwl_mvm_disable_txq(), so we don't even need
 		 * a memory barrier.
 		 */
 		mvm->queue_to_mac80211[tid_data->txq_id] =
@@ -868,6 +873,19 @@ int iwl_mvm_rx_tx_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 	return 0;
 }
 
+static void iwl_mvm_tx_info_from_ba_notif(struct ieee80211_tx_info *info,
+					  struct iwl_mvm_ba_notif *ba_notif,
+					  struct iwl_mvm_tid_data *tid_data)
+{
+	info->flags |= IEEE80211_TX_STAT_AMPDU;
+	info->status.ampdu_ack_len = ba_notif->txed_2_done;
+	info->status.ampdu_len = ba_notif->txed;
+	iwl_mvm_hwrate_to_tx_status(tid_data->rate_n_flags,
+				    info);
+	info->status.status_driver_data[0] =
+		(void *)(uintptr_t)tid_data->reduced_tpc;
+}
+
 int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 			struct iwl_device_cmd *cmd)
 {
@@ -954,21 +972,37 @@ int iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 		 */
 		info->flags |= IEEE80211_TX_STAT_ACK;
 
-		if (freed == 1) {
 		/* this is the first skb we deliver in this batch */
 		/* put the rate scaling data there */
-			info->flags |= IEEE80211_TX_STAT_AMPDU;
-			info->status.ampdu_ack_len = ba_notif->txed_2_done;
-			info->status.ampdu_len = ba_notif->txed;
-			iwl_mvm_hwrate_to_tx_status(tid_data->rate_n_flags,
-						    info);
-			info->status.status_driver_data[0] =
-				(void *)(uintptr_t)tid_data->reduced_tpc;
-		}
+		if (freed == 1)
+			iwl_mvm_tx_info_from_ba_notif(info, ba_notif, tid_data);
 	}
 
 	spin_unlock_bh(&mvmsta->lock);
 
+	/* We got a BA notif with 0 acked or scd_ssn didn't progress which is
+	 * possible (i.e. first MPDU in the aggregation wasn't acked)
+	 * Still it's important to update RS about sent vs. acked.
+	 */
+	if (skb_queue_empty(&reclaimed_skbs)) {
+		struct ieee80211_tx_info ba_info = {};
+		struct ieee80211_chanctx_conf *chanctx_conf = NULL;
+
+		if (mvmsta->vif)
+			chanctx_conf =
+				rcu_dereference(mvmsta->vif->chanctx_conf);
+
+		if (WARN_ON_ONCE(!chanctx_conf))
+			goto out;
+
+		ba_info.band = chanctx_conf->def.chan->band;
+		iwl_mvm_tx_info_from_ba_notif(&ba_info, ba_notif, tid_data);
+
+		IWL_DEBUG_TX_REPLY(mvm, "No reclaim. Update rs directly\n");
+		iwl_mvm_rs_tx_status(mvm, sta, tid, &ba_info);
+	}
+
+out:
 	rcu_read_unlock();
 
 	while (!skb_queue_empty(&reclaimed_skbs)) {

drivers/net/wireless/iwlwifi/mvm/utils.c

@@ -530,6 +530,52 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
 		iwl_mvm_dump_umac_error_log(mvm);
 }
 
+void iwl_mvm_enable_txq(struct iwl_mvm *mvm, int queue, u16 ssn,
+			const struct iwl_trans_txq_scd_cfg *cfg)
+{
+	if (iwl_mvm_is_dqa_supported(mvm)) {
+		struct iwl_scd_txq_cfg_cmd cmd = {
+			.scd_queue = queue,
+			.enable = 1,
+			.window = cfg->frame_limit,
+			.sta_id = cfg->sta_id,
+			.ssn = cpu_to_le16(ssn),
+			.tx_fifo = cfg->fifo,
+			.aggregate = cfg->aggregate,
+			.flags = IWL_SCD_FLAGS_DQA_ENABLED,
+			.tid = cfg->tid,
+			.control = IWL_SCD_CONTROL_SET_SSN,
+		};
+		int ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, 0,
+					       sizeof(cmd), &cmd);
+		if (ret)
+			IWL_ERR(mvm,
+				"Failed to configure queue %d on FIFO %d\n",
+				queue, cfg->fifo);
+	}
+
+	iwl_trans_txq_enable_cfg(mvm->trans, queue, ssn,
+				 iwl_mvm_is_dqa_supported(mvm) ? NULL : cfg);
+}
+
+void iwl_mvm_disable_txq(struct iwl_mvm *mvm, int queue)
+{
+	iwl_trans_txq_disable(mvm->trans, queue,
+			      !iwl_mvm_is_dqa_supported(mvm));
+
+	if (iwl_mvm_is_dqa_supported(mvm)) {
+		struct iwl_scd_txq_cfg_cmd cmd = {
+			.scd_queue = queue,
+			.enable = 0,
+		};
+		int ret = iwl_mvm_send_cmd_pdu(mvm, SCD_QUEUE_CFG, CMD_ASYNC,
+					       sizeof(cmd), &cmd);
+		if (ret)
+			IWL_ERR(mvm, "Failed to disable queue %d (ret=%d)\n",
+				queue, ret);
+	}
+}
+
 /**
  * iwl_mvm_send_lq_cmd() - Send link quality command
  * @init: This command is sent as part of station initialization right

drivers/net/wireless/iwlwifi/pcie/drv.c

@@ -275,6 +275,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x08B1, 0x4070, iwl7260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x08B1, 0x4072, iwl7260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x08B1, 0x4170, iwl7260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x08B1, 0x4C60, iwl7260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x08B1, 0x4C70, iwl7260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x08B1, 0x4060, iwl7260_2n_cfg)},
 	{IWL_PCI_DEVICE(0x08B1, 0x406A, iwl7260_2n_cfg)},
 	{IWL_PCI_DEVICE(0x08B1, 0x4160, iwl7260_2n_cfg)},
@@ -318,6 +320,8 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
 	{IWL_PCI_DEVICE(0x08B1, 0xC770, iwl7260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x08B1, 0xC760, iwl7260_2n_cfg)},
 	{IWL_PCI_DEVICE(0x08B2, 0xC270, iwl7260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x08B1, 0xCC70, iwl7260_2ac_cfg)},
+	{IWL_PCI_DEVICE(0x08B1, 0xCC60, iwl7260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x08B2, 0xC272, iwl7260_2ac_cfg)},
 	{IWL_PCI_DEVICE(0x08B2, 0xC260, iwl7260_2n_cfg)},
 	{IWL_PCI_DEVICE(0x08B2, 0xC26A, iwl7260_n_cfg)},

drivers/net/wireless/iwlwifi/pcie/trans.c

@@ -2190,7 +2190,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
 	 */
 	if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000)
 		trans->hw_rev = (trans->hw_rev & 0xfff0) |
-				(CSR_HW_REV_STEP(trans->hw_rev << 2));
+				(CSR_HW_REV_STEP(trans->hw_rev << 2) << 2);
 
 	trans->hw_id = (pdev->device << 16) + pdev->subsystem_device;
 	snprintf(trans->hw_id_str, sizeof(trans->hw_id_str),