Merge tag 'iwlwifi-next-for-kalle-2017-12-05' of...

Merge tag 'iwlwifi-next-for-kalle-2017-12-05' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next

Second batch of iwlwifi updates for v4.16

* Initial work for rate-scaling offload;
* Support for new FW API version;
* Some fixes here and there;

drivers/net/wireless/intel/iwlwifi/cfg/22000.c

@@ -55,7 +55,7 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL_22000_UCODE_API_MAX	34
+#define IWL_22000_UCODE_API_MAX	36
 
 /* Lowest firmware API version supported */
 #define IWL_22000_UCODE_API_MIN	24

drivers/net/wireless/intel/iwlwifi/cfg/8000.c

@@ -70,8 +70,8 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL8000_UCODE_API_MAX	34
-#define IWL8265_UCODE_API_MAX	34
+#define IWL8000_UCODE_API_MAX	36
+#define IWL8265_UCODE_API_MAX	36
 
 /* Lowest firmware API version supported */
 #define IWL8000_UCODE_API_MIN	22

drivers/net/wireless/intel/iwlwifi/cfg/9000.c

@@ -55,7 +55,7 @@
 #include "iwl-agn-hw.h"
 
 /* Highest firmware API version supported */
-#define IWL9000_UCODE_API_MAX	34
+#define IWL9000_UCODE_API_MAX	36
 
 /* Lowest firmware API version supported */
 #define IWL9000_UCODE_API_MIN	30

drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h

@@ -82,6 +82,21 @@ enum iwl_data_path_subcmd_ids {
 	 */
 	TRIGGER_RX_QUEUES_NOTIF_CMD = 0x2,
 
+	/**
+	 * @TLC_MNG_CONFIG_CMD: &struct iwl_tlc_config_cmd
+	 */
+	TLC_MNG_CONFIG_CMD = 0xF,
+
+	/**
+	 * @TLC_MNG_NOTIF_REQ_CMD: &struct iwl_tlc_notif_req_config_cmd
+	 */
+	TLC_MNG_NOTIF_REQ_CMD = 0x10,
+
+	/**
+	 * @TLC_MNG_UPDATE_NOTIF: &struct iwl_tlc_update_notif
+	 */
+	TLC_MNG_UPDATE_NOTIF = 0xF7,
+
 	/**
 	 * @STA_PM_NOTIF: &struct iwl_mvm_pm_state_notification
 	 */

drivers/net/wireless/intel/iwlwifi/fw/api/rs.h

@@ -62,6 +62,267 @@
 
 #include "mac.h"
 
+/**
+ * enum iwl_tlc_mng_cfg_flags_enum - options for TLC config flags
+ * @IWL_TLC_MNG_CFG_FLAGS_CCK_MSK: CCK support
+ * @IWL_TLC_MNG_CFG_FLAGS_DD_MSK: enable DD
+ * @IWL_TLC_MNG_CFG_FLAGS_STBC_MSK: enable STBC
+ * @IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK: enable LDPC
+ * @IWL_TLC_MNG_CFG_FLAGS_BF_MSK: enable BFER
+ * @IWL_TLC_MNG_CFG_FLAGS_DCM_MSK: enable DCM
+ */
+enum iwl_tlc_mng_cfg_flags_enum {
+	IWL_TLC_MNG_CFG_FLAGS_CCK_MSK	= BIT(0),
+	IWL_TLC_MNG_CFG_FLAGS_DD_MSK	= BIT(1),
+	IWL_TLC_MNG_CFG_FLAGS_STBC_MSK	= BIT(2),
+	IWL_TLC_MNG_CFG_FLAGS_LDPC_MSK	= BIT(3),
+	IWL_TLC_MNG_CFG_FLAGS_BF_MSK	= BIT(4),
+	IWL_TLC_MNG_CFG_FLAGS_DCM_MSK	= BIT(5),
+};
+
+/**
+ * enum iwl_tlc_mng_cfg_cw_enum - channel width options
+ * @IWL_TLC_MNG_MAX_CH_WIDTH_20MHZ: 20MHZ channel
+ * @IWL_TLC_MNG_MAX_CH_WIDTH_40MHZ: 40MHZ channel
+ * @IWL_TLC_MNG_MAX_CH_WIDTH_80MHZ: 80MHZ channel
+ * @IWL_TLC_MNG_MAX_CH_WIDTH_160MHZ: 160MHZ channel
+ * @IWL_TLC_MNG_MAX_CH_WIDTH_LAST: maximum value
+ */
+enum iwl_tlc_mng_cfg_cw_enum {
+	IWL_TLC_MNG_MAX_CH_WIDTH_20MHZ,
+	IWL_TLC_MNG_MAX_CH_WIDTH_40MHZ,
+	IWL_TLC_MNG_MAX_CH_WIDTH_80MHZ,
+	IWL_TLC_MNG_MAX_CH_WIDTH_160MHZ,
+	IWL_TLC_MNG_MAX_CH_WIDTH_LAST = IWL_TLC_MNG_MAX_CH_WIDTH_160MHZ,
+};
+
+/**
+ * enum iwl_tlc_mng_cfg_chains_enum - possible chains
+ * @IWL_TLC_MNG_CHAIN_A_MSK: chain A
+ * @IWL_TLC_MNG_CHAIN_B_MSK: chain B
+ * @IWL_TLC_MNG_CHAIN_C_MSK: chain C
+ */
+enum iwl_tlc_mng_cfg_chains_enum {
+	IWL_TLC_MNG_CHAIN_A_MSK = BIT(0),
+	IWL_TLC_MNG_CHAIN_B_MSK = BIT(1),
+	IWL_TLC_MNG_CHAIN_C_MSK = BIT(2),
+};
+
+/**
+ * enum iwl_tlc_mng_cfg_gi_enum - guard interval options
+ * @IWL_TLC_MNG_SGI_20MHZ_MSK: enable short GI for 20MHZ
+ * @IWL_TLC_MNG_SGI_40MHZ_MSK: enable short GI for 40MHZ
+ * @IWL_TLC_MNG_SGI_80MHZ_MSK: enable short GI for 80MHZ
+ * @IWL_TLC_MNG_SGI_160MHZ_MSK: enable short GI for 160MHZ
+ */
+enum iwl_tlc_mng_cfg_gi_enum {
+	IWL_TLC_MNG_SGI_20MHZ_MSK  = BIT(0),
+	IWL_TLC_MNG_SGI_40MHZ_MSK  = BIT(1),
+	IWL_TLC_MNG_SGI_80MHZ_MSK  = BIT(2),
+	IWL_TLC_MNG_SGI_160MHZ_MSK = BIT(3),
+};
+
+/**
+ * enum iwl_tlc_mng_cfg_mode_enum - supported modes
+ * @IWL_TLC_MNG_MODE_CCK: enable CCK
+ * @IWL_TLC_MNG_MODE_OFDM_NON_HT: enable OFDM (non HT)
+ * @IWL_TLC_MNG_MODE_NON_HT: enable non HT
+ * @IWL_TLC_MNG_MODE_HT: enable HT
+ * @IWL_TLC_MNG_MODE_VHT: enable VHT
+ * @IWL_TLC_MNG_MODE_HE: enable HE
+ * @IWL_TLC_MNG_MODE_INVALID: invalid value
+ * @IWL_TLC_MNG_MODE_NUM: a count of possible modes
+ */
+enum iwl_tlc_mng_cfg_mode_enum {
+	IWL_TLC_MNG_MODE_CCK = 0,
+	IWL_TLC_MNG_MODE_OFDM_NON_HT = IWL_TLC_MNG_MODE_CCK,
+	IWL_TLC_MNG_MODE_NON_HT = IWL_TLC_MNG_MODE_CCK,
+	IWL_TLC_MNG_MODE_HT,
+	IWL_TLC_MNG_MODE_VHT,
+	IWL_TLC_MNG_MODE_HE,
+	IWL_TLC_MNG_MODE_INVALID,
+	IWL_TLC_MNG_MODE_NUM = IWL_TLC_MNG_MODE_INVALID,
+};
+
+/**
+ * enum iwl_tlc_mng_vht_he_types_enum - VHT HE types
+ * @IWL_TLC_MNG_VALID_VHT_HE_TYPES_SU: VHT HT single user
+ * @IWL_TLC_MNG_VALID_VHT_HE_TYPES_SU_EXT: VHT HT single user extended
+ * @IWL_TLC_MNG_VALID_VHT_HE_TYPES_MU: VHT HT multiple users
+ * @IWL_TLC_MNG_VALID_VHT_HE_TYPES_TRIG_BASED: trigger based
+ * @IWL_TLC_MNG_VALID_VHT_HE_TYPES_NUM: a count of possible types
+ */
+enum iwl_tlc_mng_vht_he_types_enum {
+	IWL_TLC_MNG_VALID_VHT_HE_TYPES_SU = 0,
+	IWL_TLC_MNG_VALID_VHT_HE_TYPES_SU_EXT,
+	IWL_TLC_MNG_VALID_VHT_HE_TYPES_MU,
+	IWL_TLC_MNG_VALID_VHT_HE_TYPES_TRIG_BASED,
+	IWL_TLC_MNG_VALID_VHT_HE_TYPES_NUM =
+		IWL_TLC_MNG_VALID_VHT_HE_TYPES_TRIG_BASED,
+
+};
+
+/**
+ * enum iwl_tlc_mng_ht_rates_enum - HT/VHT rates
+ * @IWL_TLC_MNG_HT_RATE_MCS0: index of MCS0
+ * @IWL_TLC_MNG_HT_RATE_MCS1: index of MCS1
+ * @IWL_TLC_MNG_HT_RATE_MCS2: index of MCS2
+ * @IWL_TLC_MNG_HT_RATE_MCS3: index of MCS3
+ * @IWL_TLC_MNG_HT_RATE_MCS4: index of MCS4
+ * @IWL_TLC_MNG_HT_RATE_MCS5: index of MCS5
+ * @IWL_TLC_MNG_HT_RATE_MCS6: index of MCS6
+ * @IWL_TLC_MNG_HT_RATE_MCS7: index of MCS7
+ * @IWL_TLC_MNG_HT_RATE_MCS8: index of MCS8
+ * @IWL_TLC_MNG_HT_RATE_MCS9: index of MCS9
+ * @IWL_TLC_MNG_HT_RATE_MAX: maximal rate for HT/VHT
+ */
+enum iwl_tlc_mng_ht_rates_enum {
+	IWL_TLC_MNG_HT_RATE_MCS0 = 0,
+	IWL_TLC_MNG_HT_RATE_MCS1,
+	IWL_TLC_MNG_HT_RATE_MCS2,
+	IWL_TLC_MNG_HT_RATE_MCS3,
+	IWL_TLC_MNG_HT_RATE_MCS4,
+	IWL_TLC_MNG_HT_RATE_MCS5,
+	IWL_TLC_MNG_HT_RATE_MCS6,
+	IWL_TLC_MNG_HT_RATE_MCS7,
+	IWL_TLC_MNG_HT_RATE_MCS8,
+	IWL_TLC_MNG_HT_RATE_MCS9,
+	IWL_TLC_MNG_HT_RATE_MAX = IWL_TLC_MNG_HT_RATE_MCS9,
+};
+
+/* Maximum supported tx antennas number */
+#define MAX_RS_ANT_NUM 3
+
+/**
+ * struct tlc_config_cmd - TLC configuration
+ * @sta_id: station id
+ * @reserved1: reserved
+ * @max_supp_ch_width: channel width
+ * @flags: bitmask of %IWL_TLC_MNG_CONFIG_FLAGS_ENABLE_\*
+ * @chains: bitmask of %IWL_TLC_MNG_CHAIN_\*
+ * @max_supp_ss: valid values are 0-3, 0 - spatial streams are not supported
+ * @valid_vht_he_types: bitmap of %IWL_TLC_MNG_VALID_VHT_HE_TYPES_\*
+ * @non_ht_supp_rates: bitmap of supported legacy rates
+ * @ht_supp_rates: bitmap of supported HT/VHT rates, valid bits are 0-9
+ * @mode: modulation type %IWL_TLC_MNG_MODE_\*
+ * @reserved2: reserved
+ * @he_supp_rates: bitmap of supported HE rates
+ * @sgi_ch_width_supp: bitmap of SGI support per channel width
+ * @he_gi_support: 11ax HE guard interval
+ * @max_ampdu_cnt: max AMPDU size (frames count)
+ */
+struct iwl_tlc_config_cmd {
+	u8 sta_id;
+	u8 reserved1[3];
+	u8 max_supp_ch_width;
+	u8 chains;
+	u8 max_supp_ss;
+	u8 valid_vht_he_types;
+	__le16 flags;
+	__le16 non_ht_supp_rates;
+	__le16 ht_supp_rates[MAX_RS_ANT_NUM];
+	u8 mode;
+	u8 reserved2;
+	__le16 he_supp_rates;
+	u8 sgi_ch_width_supp;
+	u8 he_gi_support;
+	__le32 max_ampdu_cnt;
+} __packed; /* TLC_MNG_CONFIG_CMD_API_S_VER_1 */
+
+#define IWL_TLC_NOTIF_INIT_RATE_POS 0
+#define IWL_TLC_NOTIF_INIT_RATE_MSK BIT(IWL_TLC_NOTIF_INIT_RATE_POS)
+#define IWL_TLC_NOTIF_REQ_INTERVAL (500)
+
+/**
+ * struct iwl_tlc_notif_req_config_cmd - request notif on specific changes
+ * @sta_id: relevant station
+ * @reserved1: reserved
+ * @flags: bitmap of requested notifications %IWL_TLC_NOTIF_INIT_\*
+ * @interval: minimum time between notifications from TLC to the driver (msec)
+ * @reserved2: reserved
+ */
+struct iwl_tlc_notif_req_config_cmd {
+	u8 sta_id;
+	u8 reserved1;
+	__le16 flags;
+	__le16 interval;
+	__le16 reserved2;
+} __packed; /* TLC_MNG_NOTIF_REQ_CMD_API_S_VER_1 */
+
+/**
+ * struct iwl_tlc_update_notif - TLC notification from FW
+ * @sta_id: station id
+ * @reserved: reserved
+ * @flags: bitmap of notifications reported
+ * @values: field per flag in struct iwl_tlc_notif_req_config_cmd
+ */
+struct iwl_tlc_update_notif {
+	u8 sta_id;
+	u8 reserved;
+	__le16 flags;
+	__le32 values[16];
+} __packed; /* TLC_MNG_UPDATE_NTFY_API_S_VER_1 */
+
+/**
+ * enum iwl_tlc_debug_flags - debug options
+ * @IWL_TLC_DEBUG_FIXED_RATE: set fixed rate for rate scaling
+ * @IWL_TLC_DEBUG_STATS_TH: threshold for sending statistics to the driver, in
+ *	frames
+ * @IWL_TLC_DEBUG_STATS_TIME_TH: threshold for sending statistics to the
+ *	driver, in msec
+ * @IWL_TLC_DEBUG_AGG_TIME_LIM: time limit for a BA session
+ * @IWL_TLC_DEBUG_AGG_DIS_START_TH: frame with try-count greater than this
+ *	threshold should not start an aggregation session
+ * @IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM: set max number of frames in an aggregation
+ * @IWL_TLC_DEBUG_RENEW_ADDBA_DELAY: delay between retries of ADD BA
+ * @IWL_TLC_DEBUG_START_AC_RATE_IDX: frames per second to start a BA session
+ * @IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK: disable BW scaling
+ */
+enum iwl_tlc_debug_flags {
+	IWL_TLC_DEBUG_FIXED_RATE,
+	IWL_TLC_DEBUG_STATS_TH,
+	IWL_TLC_DEBUG_STATS_TIME_TH,
+	IWL_TLC_DEBUG_AGG_TIME_LIM,
+	IWL_TLC_DEBUG_AGG_DIS_START_TH,
+	IWL_TLC_DEBUG_AGG_FRAME_CNT_LIM,
+	IWL_TLC_DEBUG_RENEW_ADDBA_DELAY,
+	IWL_TLC_DEBUG_START_AC_RATE_IDX,
+	IWL_TLC_DEBUG_NO_FAR_RANGE_TWEAK,
+}; /* TLC_MNG_DEBUG_FLAGS_API_E_VER_1 */
+
+/**
+ * struct iwl_dhc_tlc_dbg - fixed debug config
+ * @sta_id: bit 0 - enable/disable, bits 1 - 7 hold station id
+ * @reserved1: reserved
+ * @flags: bitmap of %IWL_TLC_DEBUG_\*
+ * @fixed_rate: rate value
+ * @stats_threshold: if number of tx-ed frames is greater, send statistics
+ * @time_threshold: statistics threshold in usec
+ * @agg_time_lim: max agg time
+ * @agg_dis_start_threshold: frames with try-cont greater than this count will
+ *			     not be aggregated
+ * @agg_frame_count_lim: agg size
+ * @addba_retry_delay: delay between retries of ADD BA
+ * @start_ac_rate_idx: frames per second to start a BA session
+ * @no_far_range_tweak: disable BW scaling
+ * @reserved2: reserved
+ */
+struct iwl_dhc_tlc_cmd {
+	u8 sta_id;
+	u8 reserved1[3];
+	__le32 flags;
+	__le32 fixed_rate;
+	__le16 stats_threshold;
+	__le16 time_threshold;
+	__le16 agg_time_lim;
+	__le16 agg_dis_start_threshold;
+	__le16 agg_frame_count_lim;
+	__le16 addba_retry_delay;
+	u8 start_ac_rate_idx[IEEE80211_NUM_ACS];
+	u8 no_far_range_tweak;
+	u8 reserved2[3];
+} __packed;
+
 /*
  * These serve as indexes into
  * struct iwl_rate_info fw_rate_idx_to_plcp[IWL_RATE_COUNT];
@@ -253,7 +514,6 @@ enum {
 #define RATE_MCS_ANT_ABC_MSK		(RATE_MCS_ANT_AB_MSK | \
 					 RATE_MCS_ANT_C_MSK)
 #define RATE_MCS_ANT_MSK		RATE_MCS_ANT_ABC_MSK
-#define RATE_MCS_ANT_NUM 3
 
 /* Bit 17: (0) SS, (1) SS*2 */
 #define RATE_MCS_STBC_POS		17

drivers/net/wireless/intel/iwlwifi/fw/file.h

@@ -310,6 +310,7 @@ typedef unsigned int __bitwise iwl_ucode_tlv_capa_t;
  * @IWL_UCODE_TLV_CAPA_BT_COEX_RRC: supports BT Coex RRC
  * @IWL_UCODE_TLV_CAPA_GSCAN_SUPPORT: supports gscan
  * @IWL_UCODE_TLV_CAPA_STA_PM_NOTIF: firmware will send STA PM notification
+ * @IWL_UCODE_TLV_CAPA_TLC_OFFLOAD: firmware implements rate scaling algorithm
  * @IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE: extended DTS measurement
  * @IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS: supports short PM timeouts
  * @IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT: supports bt-coex Multi-priority LUT
@@ -364,6 +365,7 @@ enum iwl_ucode_tlv_capa {
 	IWL_UCODE_TLV_CAPA_BINDING_CDB_SUPPORT		= (__force iwl_ucode_tlv_capa_t)39,
 	IWL_UCODE_TLV_CAPA_CDB_SUPPORT			= (__force iwl_ucode_tlv_capa_t)40,
 	IWL_UCODE_TLV_CAPA_D0I3_END_FIRST		= (__force iwl_ucode_tlv_capa_t)41,
+	IWL_UCODE_TLV_CAPA_TLC_OFFLOAD                  = (__force iwl_ucode_tlv_capa_t)43,
 	IWL_UCODE_TLV_CAPA_EXTENDED_DTS_MEASURE		= (__force iwl_ucode_tlv_capa_t)64,
 	IWL_UCODE_TLV_CAPA_SHORT_PM_TIMEOUTS		= (__force iwl_ucode_tlv_capa_t)65,
 	IWL_UCODE_TLV_CAPA_BT_MPLUT_SUPPORT		= (__force iwl_ucode_tlv_capa_t)67,

drivers/net/wireless/intel/iwlwifi/mvm/Makefile

@@ -2,7 +2,7 @@
 obj-$(CONFIG_IWLMVM)   += iwlmvm.o
 iwlmvm-y += fw.o mac80211.o nvm.o ops.o phy-ctxt.o mac-ctxt.o
 iwlmvm-y += utils.o rx.o rxmq.o tx.o binding.o quota.o sta.o sf.o
-iwlmvm-y += scan.o time-event.o rs.o
+iwlmvm-y += scan.o time-event.o rs.o rs-fw.o
 iwlmvm-y += power.o coex.o
 iwlmvm-y += tt.o offloading.o tdls.o
 iwlmvm-$(CONFIG_IWLWIFI_DEBUGFS) += debugfs.o debugfs-vif.o

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

@@ -425,6 +425,50 @@ static ssize_t iwl_dbgfs_stations_read(struct file *file, char __user *user_buf,
 	return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
 }
 
+static ssize_t iwl_dbgfs_rs_data_read(struct file *file, char __user *user_buf,
+				      size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+	struct iwl_lq_sta_rs_fw *lq_sta = &mvmsta->lq_sta.rs_fw;
+	struct iwl_mvm *mvm = lq_sta->pers.drv;
+	static const size_t bufsz = 2048;
+	char *buff;
+	int desc = 0;
+	ssize_t ret;
+
+	buff = kmalloc(bufsz, GFP_KERNEL);
+	if (!buff)
+		return -ENOMEM;
+
+	mutex_lock(&mvm->mutex);
+
+	desc += scnprintf(buff + desc, bufsz - desc, "sta_id %d\n",
+			  lq_sta->pers.sta_id);
+	desc += scnprintf(buff + desc, bufsz - desc,
+			  "fixed rate 0x%X\n",
+			  lq_sta->pers.dbg_fixed_rate);
+	desc += scnprintf(buff + desc, bufsz - desc,
+			  "A-MPDU size limit %d\n",
+			  lq_sta->pers.dbg_agg_frame_count_lim);
+	desc += scnprintf(buff + desc, bufsz - desc,
+			  "valid_tx_ant %s%s%s\n",
+		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
+		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
+		(iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
+	desc += scnprintf(buff + desc, bufsz - desc,
+			  "last tx rate=0x%X ",
+			  lq_sta->last_rate_n_flags);
+
+	desc += rs_pretty_print_rate(buff + desc, bufsz - desc,
+				     lq_sta->last_rate_n_flags);
+	mutex_unlock(&mvm->mutex);
+
+	ret = simple_read_from_buffer(user_buf, count, ppos, buff, desc);
+	kfree(buff);
+	return ret;
+}
+
 static ssize_t iwl_dbgfs_disable_power_off_read(struct file *file,
 						char __user *user_buf,
 						size_t count, loff_t *ppos)
@@ -715,6 +759,9 @@ static ssize_t iwl_dbgfs_fw_rx_stats_read(struct file *file,
 
 	mutex_lock(&mvm->mutex);
 
+	if (iwl_mvm_firmware_running(mvm))
+		iwl_mvm_request_statistics(mvm, false);
+
 	pos += scnprintf(buf + pos, bufsz - pos, fmt_header,
 			 "Statistics_Rx - OFDM");
 	if (!iwl_mvm_has_new_rx_stats_api(mvm)) {
@@ -930,7 +977,8 @@ static ssize_t iwl_dbgfs_frame_stats_read(struct iwl_mvm *mvm,
 			continue;
 		pos += scnprintf(pos, endpos - pos, "Rate[%d]: ",
 				 (int)(ARRAY_SIZE(stats->last_rates) - i));
-		pos += rs_pretty_print_rate(pos, stats->last_rates[idx]);
+		pos += rs_pretty_print_rate(pos, endpos - pos,
+					    stats->last_rates[idx]);
 	}
 	spin_unlock_bh(&mvm->drv_stats_lock);
 
@@ -1597,6 +1645,19 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
 #define MVM_DEBUGFS_ADD_FILE(name, parent, mode) \
 	MVM_DEBUGFS_ADD_FILE_ALIAS(#name, name, parent, mode)
 
+#define MVM_DEBUGFS_WRITE_STA_FILE_OPS(name, bufsz) \
+	_MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
+#define MVM_DEBUGFS_READ_WRITE_STA_FILE_OPS(name, bufsz) \
+	_MVM_DEBUGFS_READ_WRITE_FILE_OPS(name, bufsz, struct ieee80211_sta)
+
+#define MVM_DEBUGFS_ADD_STA_FILE_ALIAS(alias, name, parent, mode) do {	\
+		if (!debugfs_create_file(alias, mode, parent, sta,	\
+					 &iwl_dbgfs_##name##_ops))	\
+			goto err;					\
+	} while (0)
+#define MVM_DEBUGFS_ADD_STA_FILE(name, parent, mode) \
+	MVM_DEBUGFS_ADD_STA_FILE_ALIAS(#name, name, parent, mode)
+
 static ssize_t
 iwl_dbgfs_prph_reg_read(struct file *file,
 			char __user *user_buf,
@@ -1681,6 +1742,7 @@ 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(rs_data);
 MVM_DEBUGFS_READ_FILE_OPS(bt_notif);
 MVM_DEBUGFS_READ_FILE_OPS(bt_cmd);
 MVM_DEBUGFS_READ_WRITE_FILE_OPS(disable_power_off, 64);
@@ -1845,6 +1907,21 @@ static const struct file_operations iwl_dbgfs_mem_ops = {
 	.llseek = default_llseek,
 };
 
+void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
+			     struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta,
+			     struct dentry *dir)
+{
+	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TLC_OFFLOAD))
+		MVM_DEBUGFS_ADD_STA_FILE(rs_data, dir, S_IRUSR);
+
+	return;
+err:
+	IWL_ERR(mvm, "Can't create the mvm station debugfs entry\n");
+}
+
 int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
 {
 	struct dentry *bcast_dir __maybe_unused;

drivers/net/wireless/intel/iwlwifi/mvm/fw.c

@@ -923,11 +923,11 @@ static int iwl_mvm_load_rt_fw(struct iwl_mvm *mvm)
 
 	ret = iwl_run_init_mvm_ucode(mvm, false);
 
-	if (iwlmvm_mod_params.init_dbg)
-		return 0;
-
 	if (ret) {
 		IWL_ERR(mvm, "Failed to run INIT ucode: %d\n", ret);
+
+		if (iwlmvm_mod_params.init_dbg)
+			return 0;
 		return ret;
 	}
 
@@ -1111,7 +1111,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
 	IWL_DEBUG_INFO(mvm, "RT uCode started.\n");
 	return 0;
  error:
-	if (!iwlmvm_mod_params.init_dbg)
+	if (!iwlmvm_mod_params.init_dbg || !ret)
 		iwl_mvm_stop_device(mvm);
 	return ret;
 }

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

@@ -420,6 +420,12 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 	ieee80211_hw_set(hw, SUPPORTS_CLONED_SKBS);
 	ieee80211_hw_set(hw, SUPPORTS_AMSDU_IN_AMPDU);
 	ieee80211_hw_set(hw, NEEDS_UNIQUE_STA_ADDR);
+
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TLC_OFFLOAD)) {
+		ieee80211_hw_set(hw, TX_AMPDU_SETUP_IN_HW);
+		ieee80211_hw_set(hw, HAS_RATE_CONTROL);
+	}
+
 	if (iwl_mvm_has_new_rx_api(mvm))
 		ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
 
@@ -454,7 +460,9 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 	/* this is the case for CCK frames, it's better (only 8) for OFDM */
 	hw->radiotap_timestamp.accuracy = 22;
 
-	hw->rate_control_algorithm = "iwl-mvm-rs";
+	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TLC_OFFLOAD))
+		hw->rate_control_algorithm = RS_NAME;
+
 	hw->uapsd_queues = IWL_MVM_UAPSD_QUEUES;
 	hw->uapsd_max_sp_len = IWL_UAPSD_MAX_SP;
 
@@ -4394,4 +4402,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
 #endif
 	.get_survey = iwl_mvm_mac_get_survey,
 	.sta_statistics = iwl_mvm_mac_sta_statistics,
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+	.sta_add_debugfs = iwl_mvm_sta_add_debugfs,
+#endif
 };

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

@@ -1591,9 +1591,9 @@ iwl_mvm_vif_dbgfs_clean(struct iwl_mvm *mvm, struct ieee80211_vif *vif)
 /* rate scaling */
 int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init);
 void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg);
-int rs_pretty_print_rate(char *buf, const u32 rate);
+int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate);
 void rs_update_last_rssi(struct iwl_mvm *mvm,
-			 struct iwl_lq_sta *lq_sta,
+			 struct iwl_mvm_sta *mvmsta,
 			 struct ieee80211_rx_status *rx_status);
 
 /* power management */
@@ -1873,5 +1873,11 @@ void iwl_mvm_event_frame_timeout_callback(struct iwl_mvm *mvm,
 
 int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b);
 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm);
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+void iwl_mvm_sta_add_debugfs(struct ieee80211_hw *hw,
+			     struct ieee80211_vif *vif,
+			     struct ieee80211_sta *sta,
+			     struct dentry *dir);
+#endif
 
 #endif /* __IWL_MVM_H__ */

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

@@ -127,11 +127,8 @@ static int __init iwl_mvm_init(void)
 	}
 
 	ret = iwl_opmode_register("iwlmvm", &iwl_mvm_ops);
-
-	if (ret) {
+	if (ret)
 		pr_err("Unable to register MVM op_mode: %d\n", ret);
-		iwl_mvm_rate_control_unregister();
-	}
 
 	return ret;
 }
@@ -749,7 +746,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg,
 	mutex_lock(&mvm->mutex);
 	iwl_mvm_ref(mvm, IWL_MVM_REF_INIT_UCODE);
 	err = iwl_run_init_mvm_ucode(mvm, true);
-	if (!iwlmvm_mod_params.init_dbg)
+	if (!iwlmvm_mod_params.init_dbg || !err)
 		iwl_mvm_stop_device(mvm);
 	iwl_mvm_unref(mvm, IWL_MVM_REF_INIT_UCODE);
 	mutex_unlock(&mvm->mutex);
@@ -1020,6 +1017,8 @@ static void iwl_mvm_rx_mq(struct iwl_op_mode *op_mode,
 		iwl_mvm_rx_queue_notif(mvm, rxb, 0);
 	else if (cmd == WIDE_ID(LEGACY_GROUP, FRAME_RELEASE))
 		iwl_mvm_rx_frame_release(mvm, napi, rxb, 0);
+	else if (cmd == WIDE_ID(DATA_PATH_GROUP, TLC_MNG_UPDATE_NOTIF))
+		iwl_mvm_tlc_update_notif(mvm, pkt);
 	else
 		iwl_mvm_rx_common(mvm, rxb, pkt);
 }

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

@@ -36,6 +36,8 @@
 #include "fw-api.h"
 #include "iwl-trans.h"
 
+#define RS_NAME "iwl-mvm-rs"
+
 struct iwl_rs_rate_info {
 	u8 plcp;	  /* uCode API:  IWL_RATE_6M_PLCP, etc. */
 	u8 plcp_ht_siso;  /* uCode API:  IWL_RATE_SISO_6M_PLCP, etc. */
@@ -217,6 +219,38 @@ struct iwl_rate_mcs_info {
 	char	mcs[IWL_MAX_MCS_DISPLAY_SIZE];
 };
 
+/**
+ * struct iwl_lq_sta_rs_fw - rate and related statistics for RS in FW
+ * @last_rate_n_flags: last rate reported by FW
+ * @sta_id: the id of the station
+#ifdef CONFIG_MAC80211_DEBUGFS
+ * @dbg_fixed_rate: for debug, use fixed rate if not 0
+ * @dbg_agg_frame_count_lim: for debug, max number of frames in A-MPDU
+#endif
+ * @chains: bitmask of chains reported in %chain_signal
+ * @chain_signal: per chain signal strength
+ * @last_rssi: last rssi reported
+ * @drv: pointer back to the driver data
+ */
+
+struct iwl_lq_sta_rs_fw {
+	/* last tx rate_n_flags */
+	u32 last_rate_n_flags;
+
+	/* persistent fields - initialized only once - keep last! */
+	struct lq_sta_pers_rs_fw {
+		u32 sta_id;
+#ifdef CONFIG_MAC80211_DEBUGFS
+		u32 dbg_fixed_rate;
+		u16 dbg_agg_frame_count_lim;
+#endif
+		u8 chains;
+		s8 chain_signal[IEEE80211_MAX_CHAINS];
+		s8 last_rssi;
+		struct iwl_mvm *drv;
+	} pers;
+};
+
 /**
  * struct iwl_rate_scale_data -- tx success history for one rate
  */
@@ -407,4 +441,18 @@ struct iwl_mvm_sta;
 int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
 			  bool enable);
 
+#ifdef CONFIG_IWLWIFI_DEBUGFS
+void iwl_mvm_reset_frame_stats(struct iwl_mvm *mvm);
+#endif
+
+#ifdef CONFIG_MAC80211_DEBUGFS
+void rs_remove_sta_debugfs(void *mvm, void *mvm_sta);
+#endif
+
+void iwl_mvm_rs_add_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta);
+void rs_fw_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+		     enum nl80211_band band);
+int rs_fw_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
+			bool enable);
+void iwl_mvm_tlc_update_notif(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt);
 #endif /* __rs__ */

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

@@ -383,7 +383,7 @@ void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi,
 								 false);
 		}
 
-		rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status);
+		rs_update_last_rssi(mvm, mvmsta, rx_status);
 
 		if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&
 		    ieee80211_is_beacon(hdr->frame_control)) {

drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c

@@ -933,7 +933,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi,
 								 false);
 		}
 
-		rs_update_last_rssi(mvm, &mvmsta->lq_sta, rx_status);
+		rs_update_last_rssi(mvm, mvmsta, rx_status);
 
 		if (iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_RSSI) &&
 		    ieee80211_is_beacon(hdr->frame_control)) {

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

@@ -664,6 +664,22 @@ static u8 *iwl_mvm_copy_and_insert_ds_elem(struct iwl_mvm *mvm, const u8 *ies,
 	return newpos;
 }
 
+#define WFA_TPC_IE_LEN	9
+
+static void iwl_mvm_add_tpc_report_ie(u8 *pos)
+{
+	pos[0] = WLAN_EID_VENDOR_SPECIFIC;
+	pos[1] = WFA_TPC_IE_LEN - 2;
+	pos[2] = (WLAN_OUI_MICROSOFT >> 16) & 0xff;
+	pos[3] = (WLAN_OUI_MICROSOFT >> 8) & 0xff;
+	pos[4] = WLAN_OUI_MICROSOFT & 0xff;
+	pos[5] = WLAN_OUI_TYPE_MICROSOFT_TPC;
+	pos[6] = 0;
+	/* pos[7] - tx power will be inserted by the FW */
+	pos[7] = 0;
+	pos[8] = 0;
+}
+
 static void
 iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 			 struct ieee80211_scan_ies *ies,
@@ -716,7 +732,16 @@ iwl_mvm_build_scan_probe(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 
 	memcpy(pos, ies->common_ies, ies->common_ie_len);
 	params->preq.common_data.offset = cpu_to_le16(pos - params->preq.buf);
-	params->preq.common_data.len = cpu_to_le16(ies->common_ie_len);
+
+	if (iwl_mvm_rrm_scan_needed(mvm) &&
+	    !fw_has_capa(&mvm->fw->ucode_capa,
+			 IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT)) {
+		iwl_mvm_add_tpc_report_ie(pos + ies->common_ie_len);
+		params->preq.common_data.len = cpu_to_le16(ies->common_ie_len +
+							   WFA_TPC_IE_LEN);
+	} else {
+		params->preq.common_data.len = cpu_to_le16(ies->common_ie_len);
+	}
 }
 
 static void iwl_mvm_scan_lmac_dwell(struct iwl_mvm *mvm,
@@ -781,7 +806,9 @@ static int iwl_mvm_scan_lmac_flags(struct iwl_mvm *mvm,
 	if (params->type == IWL_SCAN_TYPE_FRAGMENTED)
 		flags |= IWL_MVM_LMAC_SCAN_FLAG_FRAGMENTED;
 
-	if (iwl_mvm_rrm_scan_needed(mvm))
+	if (iwl_mvm_rrm_scan_needed(mvm) &&
+	    fw_has_capa(&mvm->fw->ucode_capa,
+			IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
 		flags |= IWL_MVM_LMAC_SCAN_FLAGS_RRM_ENABLED;
 
 	if (params->pass_all)
@@ -1183,7 +1210,9 @@ static u16 iwl_mvm_scan_umac_flags(struct iwl_mvm *mvm,
 			flags |= IWL_UMAC_SCAN_GEN_FLAGS_LMAC2_FRAGMENTED;
 	}
 
-	if (iwl_mvm_rrm_scan_needed(mvm))
+	if (iwl_mvm_rrm_scan_needed(mvm) &&
+	    fw_has_capa(&mvm->fw->ucode_capa,
+			IWL_UCODE_TLV_CAPA_WFA_TPC_REP_IE_SUPPORT))
 		flags |= IWL_UMAC_SCAN_GEN_FLAGS_RRM_ENABLED;
 
 	if (params->pass_all)

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

@@ -1439,6 +1439,13 @@ int iwl_mvm_add_sta(struct iwl_mvm *mvm,
 			goto err;
 	}
 
+	/*
+	 * if rs is registered with mac80211, then "add station" will be handled
+	 * via the corresponding ops, otherwise need to notify rate scaling here
+	 */
+	if (fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TLC_OFFLOAD))
+		iwl_mvm_rs_add_sta(mvm, mvm_sta);
+
 update_fw:
 	ret = iwl_mvm_sta_send_to_fw(mvm, sta, sta_update, sta_flags);
 	if (ret)
@@ -2548,6 +2555,14 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 		.aggregate = true,
 	};
 
+	/*
+	 * When FW supports TLC_OFFLOAD, it also implements Tx aggregation
+	 * manager, so this function should never be called in this case.
+	 */
+	if (WARN_ON_ONCE(fw_has_capa(&mvm->fw->ucode_capa,
+				     IWL_UCODE_TLV_CAPA_TLC_OFFLOAD)))
+		return -EINVAL;
+
 	BUILD_BUG_ON((sizeof(mvmsta->agg_tids) * BITS_PER_BYTE)
 		     != IWL_MAX_TID_COUNT);
 
@@ -2645,12 +2660,12 @@ int iwl_mvm_sta_tx_agg_oper(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 	 */
 	mvmsta->max_agg_bufsize =
 		min(mvmsta->max_agg_bufsize, buf_size);
-	mvmsta->lq_sta.lq.agg_frame_cnt_limit = mvmsta->max_agg_bufsize;
+	mvmsta->lq_sta.rs_drv.lq.agg_frame_cnt_limit = mvmsta->max_agg_bufsize;
 
 	IWL_DEBUG_HT(mvm, "Tx aggregation enabled on ra = %pM tid = %d\n",
 		     sta->addr, tid);
 
-	return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.lq, false);
+	return iwl_mvm_send_lq_cmd(mvm, &mvmsta->lq_sta.rs_drv.lq, false);
 }
 
 static void iwl_mvm_unreserve_agg_queue(struct iwl_mvm *mvm,

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

@@ -383,6 +383,8 @@ struct iwl_mvm_rxq_dup_data {
  * and from Tx response flow, it needs a spinlock.
  * @tid_data: per tid data + mgmt. Look at %iwl_mvm_tid_data.
  * @tid_to_baid: a simple map of TID to baid
+ * @lq_sta: holds rate scaling data, either for the case when RS is done in
+ *	the driver - %rs_drv or in the FW - %rs_fw.
  * @reserved_queue: the queue reserved for this STA for DQA purposes
  *	Every STA has is given one reserved queue to allow it to operate. If no
  *	such queue can be guaranteed, the STA addition will fail.
@@ -417,7 +419,10 @@ struct iwl_mvm_sta {
 	spinlock_t lock;
 	struct iwl_mvm_tid_data tid_data[IWL_MAX_TID_COUNT + 1];
 	u8 tid_to_baid[IWL_MAX_TID_COUNT];
-	struct iwl_lq_sta lq_sta;
+	union {
+		struct iwl_lq_sta_rs_fw rs_fw;
+		struct iwl_lq_sta rs_drv;
+	} lq_sta;
 	struct ieee80211_vif *vif;
 	struct iwl_mvm_key_pn __rcu *ptk_pn[4];
 	struct iwl_mvm_rxq_dup_data *dup_data;

drivers/net/wireless/intel/iwlwifi/mvm/time-event.c

@@ -101,7 +101,6 @@ void iwl_mvm_te_clear_data(struct iwl_mvm *mvm,
 void iwl_mvm_roc_done_wk(struct work_struct *wk)
 {
 	struct iwl_mvm *mvm = container_of(wk, struct iwl_mvm, roc_done_wk);
-	u32 queues = 0;
 
 	/*
 	 * Clear the ROC_RUNNING /ROC_AUX_RUNNING status bit.
@@ -110,14 +109,10 @@ void iwl_mvm_roc_done_wk(struct work_struct *wk)
 	 * in the case that the time event actually completed in the firmware
 	 * (which is handled in iwl_mvm_te_handle_notif).
 	 */
-	if (test_and_clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status)) {
-		queues |= BIT(IWL_MVM_OFFCHANNEL_QUEUE);
+	if (test_and_clear_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
 		iwl_mvm_unref(mvm, IWL_MVM_REF_ROC);
-	}
-	if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status)) {
-		queues |= BIT(mvm->aux_queue);
+	if (test_and_clear_bit(IWL_MVM_STATUS_ROC_AUX_RUNNING, &mvm->status))
 		iwl_mvm_unref(mvm, IWL_MVM_REF_ROC_AUX);
-	}
 
 	synchronize_net();
 

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

@@ -1718,8 +1718,12 @@ static void iwl_mvm_tx_reclaim(struct iwl_mvm *mvm, int sta_id, int tid,
 		ba_info->band = chanctx_conf->def.chan->band;
 		iwl_mvm_hwrate_to_tx_status(rate, ba_info);
 
-		IWL_DEBUG_TX_REPLY(mvm, "No reclaim. Update rs directly\n");
-		iwl_mvm_rs_tx_status(mvm, sta, tid, ba_info, false);
+		if (!fw_has_capa(&mvm->fw->ucode_capa,
+				 IWL_UCODE_TLV_CAPA_TLC_OFFLOAD)) {
+			IWL_DEBUG_TX_REPLY(mvm,
+					   "No reclaim. Update rs directly\n");
+			iwl_mvm_rs_tx_status(mvm, sta, tid, ba_info, false);
+		}
 	}
 
 out:

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

@@ -278,8 +278,8 @@ u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx)
 	u8 ind = last_idx;
 	int i;
 
-	for (i = 0; i < RATE_MCS_ANT_NUM; i++) {
-		ind = (ind + 1) % RATE_MCS_ANT_NUM;
+	for (i = 0; i < MAX_RS_ANT_NUM; i++) {
+		ind = (ind + 1) % MAX_RS_ANT_NUM;
 		if (valid & BIT(ind))
 			return ind;
 	}
@@ -595,6 +595,12 @@ static void iwl_mvm_dump_lmac_error_log(struct iwl_mvm *mvm, u32 base)
 
 void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
 {
+	if (!test_bit(STATUS_DEVICE_ENABLED, &mvm->trans->status)) {
+		IWL_ERR(mvm,
+			"DEVICE_ENABLED bit is not set. Aborting dump.\n");
+		return;
+	}
+
 	iwl_mvm_dump_lmac_error_log(mvm, mvm->error_event_table[0]);
 
 	if (mvm->error_event_table[1])
@@ -906,7 +912,9 @@ int iwl_mvm_send_lq_cmd(struct iwl_mvm *mvm, struct iwl_lq_cmd *lq, bool init)
 		.data = { lq, },
 	};
 
-	if (WARN_ON(lq->sta_id == IWL_MVM_INVALID_STA))
+	if (WARN_ON(lq->sta_id == IWL_MVM_INVALID_STA ||
+		    fw_has_capa(&mvm->fw->ucode_capa,
+				IWL_UCODE_TLV_CAPA_TLC_OFFLOAD)))
 		return -EINVAL;
 
 	return iwl_mvm_send_cmd(mvm, &cmd);