Merge ath-next from ath.git

Major changes:

ath10k

* add board 2 API support for automatically choosing correct board file
* data path optimisations
* disable PCI power save for qca988x and QCA99x0 due to interop reasons

wil6210

* BlockAckReq support
* firmware crashdump using devcoredump
* capture all frames with sniffer

drivers/net/wireless/ath/ath10k/bmi.h

@@ -82,6 +82,16 @@ enum bmi_cmd_id {
 
 #define BMI_NVRAM_SEG_NAME_SZ 16
 
+#define BMI_PARAM_GET_EEPROM_BOARD_ID 0x10
+
+#define ATH10K_BMI_BOARD_ID_FROM_OTP_MASK   0x7c00
+#define ATH10K_BMI_BOARD_ID_FROM_OTP_LSB    10
+
+#define ATH10K_BMI_CHIP_ID_FROM_OTP_MASK    0x18000
+#define ATH10K_BMI_CHIP_ID_FROM_OTP_LSB     15
+
+#define ATH10K_BMI_BOARD_ID_STATUS_MASK 0xff
+
 struct bmi_cmd {
 	__le32 id; /* enum bmi_cmd_id */
 	union {

drivers/net/wireless/ath/ath10k/ce.c

@@ -413,7 +413,7 @@ int __ath10k_ce_rx_post_buf(struct ath10k_ce_pipe *pipe, void *ctx, u32 paddr)
 	lockdep_assert_held(&ar_pci->ce_lock);
 
 	if (CE_RING_DELTA(nentries_mask, write_index, sw_index - 1) == 0)
-		return -EIO;
+		return -ENOSPC;
 
 	desc->addr = __cpu_to_le32(paddr);
 	desc->nbytes = 0;
@@ -1076,9 +1076,7 @@ void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id)
 }
 
 int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
-			 const struct ce_attr *attr,
-			 void (*send_cb)(struct ath10k_ce_pipe *),
-			 void (*recv_cb)(struct ath10k_ce_pipe *))
+			 const struct ce_attr *attr)
 {
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
@@ -1104,10 +1102,10 @@ int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
 	ce_state->src_sz_max = attr->src_sz_max;
 
 	if (attr->src_nentries)
-		ce_state->send_cb = send_cb;
+		ce_state->send_cb = attr->send_cb;
 
 	if (attr->dest_nentries)
-		ce_state->recv_cb = recv_cb;
+		ce_state->recv_cb = attr->recv_cb;
 
 	if (attr->src_nentries) {
 		ce_state->src_ring = ath10k_ce_alloc_src_ring(ar, ce_id, attr);

drivers/net/wireless/ath/ath10k/ce.h

@@ -209,9 +209,7 @@ int ath10k_ce_init_pipe(struct ath10k *ar, unsigned int ce_id,
 			const struct ce_attr *attr);
 void ath10k_ce_deinit_pipe(struct ath10k *ar, unsigned int ce_id);
 int ath10k_ce_alloc_pipe(struct ath10k *ar, int ce_id,
-			 const struct ce_attr *attr,
-			 void (*send_cb)(struct ath10k_ce_pipe *),
-			 void (*recv_cb)(struct ath10k_ce_pipe *));
+			 const struct ce_attr *attr);
 void ath10k_ce_free_pipe(struct ath10k *ar, int ce_id);
 
 /*==================CE Engine Shutdown=======================*/
@@ -277,6 +275,9 @@ struct ce_attr {
 
 	/* #entries in destination ring - Must be a power of 2 */
 	unsigned int dest_nentries;
+
+	void (*send_cb)(struct ath10k_ce_pipe *);
+	void (*recv_cb)(struct ath10k_ce_pipe *);
 };
 
 #define SR_BA_ADDRESS		0x0000

drivers/net/wireless/ath/ath10k/core.c

@@ -448,6 +448,56 @@ out:
 	return ret;
 }
 
+static int ath10k_core_get_board_id_from_otp(struct ath10k *ar)
+{
+	u32 result, address;
+	u8 board_id, chip_id;
+	int ret;
+
+	address = ar->hw_params.patch_load_addr;
+
+	if (!ar->otp_data || !ar->otp_len) {
+		ath10k_warn(ar,
+			    "failed to retrieve board id because of invalid otp\n");
+		return -ENODATA;
+	}
+
+	ath10k_dbg(ar, ATH10K_DBG_BOOT,
+		   "boot upload otp to 0x%x len %zd for board id\n",
+		   address, ar->otp_len);
+
+	ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
+	if (ret) {
+		ath10k_err(ar, "could not write otp for board id check: %d\n",
+			   ret);
+		return ret;
+	}
+
+	ret = ath10k_bmi_execute(ar, address, BMI_PARAM_GET_EEPROM_BOARD_ID,
+				 &result);
+	if (ret) {
+		ath10k_err(ar, "could not execute otp for board id check: %d\n",
+			   ret);
+		return ret;
+	}
+
+	board_id = MS(result, ATH10K_BMI_BOARD_ID_FROM_OTP);
+	chip_id = MS(result, ATH10K_BMI_CHIP_ID_FROM_OTP);
+
+	ath10k_dbg(ar, ATH10K_DBG_BOOT,
+		   "boot get otp board id result 0x%08x board_id %d chip_id %d\n",
+		   result, board_id, chip_id);
+
+	if ((result & ATH10K_BMI_BOARD_ID_STATUS_MASK) != 0)
+		return -EOPNOTSUPP;
+
+	ar->id.bmi_ids_valid = true;
+	ar->id.bmi_board_id = board_id;
+	ar->id.bmi_chip_id = chip_id;
+
+	return 0;
+}
+
 static int ath10k_download_and_run_otp(struct ath10k *ar)
 {
 	u32 result, address = ar->hw_params.patch_load_addr;
@@ -486,8 +536,8 @@ static int ath10k_download_and_run_otp(struct ath10k *ar)
 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
 
 	if (!(skip_otp || test_bit(ATH10K_FW_FEATURE_IGNORE_OTP_RESULT,
-				   ar->fw_features))
-	    && result != 0) {
+				   ar->fw_features)) &&
+	    result != 0) {
 		ath10k_err(ar, "otp calibration failed: %d", result);
 		return -EINVAL;
 	}
@@ -510,7 +560,7 @@ static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
 		data_len = ar->firmware_len;
 		mode_name = "normal";
 		ret = ath10k_swap_code_seg_configure(ar,
-				ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
+						     ATH10K_SWAP_CODE_SEG_BIN_TYPE_FW);
 		if (ret) {
 			ath10k_err(ar, "failed to configure fw code swap: %d\n",
 				   ret);
@@ -541,11 +591,18 @@ static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
 	return ret;
 }
 
-static void ath10k_core_free_firmware_files(struct ath10k *ar)
+static void ath10k_core_free_board_files(struct ath10k *ar)
 {
 	if (!IS_ERR(ar->board))
 		release_firmware(ar->board);
 
+	ar->board = NULL;
+	ar->board_data = NULL;
+	ar->board_len = 0;
+}
+
+static void ath10k_core_free_firmware_files(struct ath10k *ar)
+{
 	if (!IS_ERR(ar->otp))
 		release_firmware(ar->otp);
 
@@ -557,10 +614,6 @@ static void ath10k_core_free_firmware_files(struct ath10k *ar)
 
 	ath10k_swap_code_seg_release(ar);
 
-	ar->board = NULL;
-	ar->board_data = NULL;
-	ar->board_len = 0;
-
 	ar->otp = NULL;
 	ar->otp_data = NULL;
 	ar->otp_len = 0;
@@ -570,7 +623,6 @@ static void ath10k_core_free_firmware_files(struct ath10k *ar)
 	ar->firmware_len = 0;
 
 	ar->cal_file = NULL;
-
 }
 
 static int ath10k_fetch_cal_file(struct ath10k *ar)
@@ -592,68 +644,251 @@ static int ath10k_fetch_cal_file(struct ath10k *ar)
 	return 0;
 }
 
-static int ath10k_core_fetch_spec_board_file(struct ath10k *ar)
+static int ath10k_core_fetch_board_data_api_1(struct ath10k *ar)
 {
-	char filename[100];
-
-	scnprintf(filename, sizeof(filename), "board-%s-%s.bin",
-		  ath10k_bus_str(ar->hif.bus), ar->spec_board_id);
+	if (!ar->hw_params.fw.board) {
+		ath10k_err(ar, "failed to find board file fw entry\n");
+		return -EINVAL;
+	}
 
-	ar->board = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, filename);
+	ar->board = ath10k_fetch_fw_file(ar,
+					 ar->hw_params.fw.dir,
+					 ar->hw_params.fw.board);
 	if (IS_ERR(ar->board))
 		return PTR_ERR(ar->board);
 
 	ar->board_data = ar->board->data;
 	ar->board_len = ar->board->size;
-	ar->spec_board_loaded = true;
 
 	return 0;
 }
 
-static int ath10k_core_fetch_generic_board_file(struct ath10k *ar)
+static int ath10k_core_parse_bd_ie_board(struct ath10k *ar,
+					 const void *buf, size_t buf_len,
+					 const char *boardname)
 {
-	if (!ar->hw_params.fw.board) {
-		ath10k_err(ar, "failed to find board file fw entry\n");
-		return -EINVAL;
+	const struct ath10k_fw_ie *hdr;
+	bool name_match_found;
+	int ret, board_ie_id;
+	size_t board_ie_len;
+	const void *board_ie_data;
+
+	name_match_found = false;
+
+	/* go through ATH10K_BD_IE_BOARD_ elements */
+	while (buf_len > sizeof(struct ath10k_fw_ie)) {
+		hdr = buf;
+		board_ie_id = le32_to_cpu(hdr->id);
+		board_ie_len = le32_to_cpu(hdr->len);
+		board_ie_data = hdr->data;
+
+		buf_len -= sizeof(*hdr);
+		buf += sizeof(*hdr);
+
+		if (buf_len < ALIGN(board_ie_len, 4)) {
+			ath10k_err(ar, "invalid ATH10K_BD_IE_BOARD length: %zu < %zu\n",
+				   buf_len, ALIGN(board_ie_len, 4));
+			ret = -EINVAL;
+			goto out;
+		}
+
+		switch (board_ie_id) {
+		case ATH10K_BD_IE_BOARD_NAME:
+			ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "board name", "",
+					board_ie_data, board_ie_len);
+
+			if (board_ie_len != strlen(boardname))
+				break;
+
+			ret = memcmp(board_ie_data, boardname, strlen(boardname));
+			if (ret)
+				break;
+
+			name_match_found = true;
+			ath10k_dbg(ar, ATH10K_DBG_BOOT,
+				   "boot found match for name '%s'",
+				   boardname);
+			break;
+		case ATH10K_BD_IE_BOARD_DATA:
+			if (!name_match_found)
+				/* no match found */
+				break;
+
+			ath10k_dbg(ar, ATH10K_DBG_BOOT,
+				   "boot found board data for '%s'",
+				   boardname);
+
+			ar->board_data = board_ie_data;
+			ar->board_len = board_ie_len;
+
+			ret = 0;
+			goto out;
+		default:
+			ath10k_warn(ar, "unknown ATH10K_BD_IE_BOARD found: %d\n",
+				    board_ie_id);
+			break;
+		}
+
+		/* jump over the padding */
+		board_ie_len = ALIGN(board_ie_len, 4);
+
+		buf_len -= board_ie_len;
+		buf += board_ie_len;
 	}
 
-	ar->board = ath10k_fetch_fw_file(ar,
-					 ar->hw_params.fw.dir,
-					 ar->hw_params.fw.board);
+	/* no match found */
+	ret = -ENOENT;
+
+out:
+	return ret;
+}
+
+static int ath10k_core_fetch_board_data_api_n(struct ath10k *ar,
+					      const char *boardname,
+					      const char *filename)
+{
+	size_t len, magic_len, ie_len;
+	struct ath10k_fw_ie *hdr;
+	const u8 *data;
+	int ret, ie_id;
+
+	ar->board = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, filename);
 	if (IS_ERR(ar->board))
 		return PTR_ERR(ar->board);
 
-	ar->board_data = ar->board->data;
-	ar->board_len = ar->board->size;
-	ar->spec_board_loaded = false;
+	data = ar->board->data;
+	len = ar->board->size;
+
+	/* magic has extra null byte padded */
+	magic_len = strlen(ATH10K_BOARD_MAGIC) + 1;
+	if (len < magic_len) {
+		ath10k_err(ar, "failed to find magic value in %s/%s, file too short: %zu\n",
+			   ar->hw_params.fw.dir, filename, len);
+		ret = -EINVAL;
+		goto err;
+	}
+
+	if (memcmp(data, ATH10K_BOARD_MAGIC, magic_len)) {
+		ath10k_err(ar, "found invalid board magic\n");
+		ret = -EINVAL;
+		goto err;
+	}
+
+	/* magic is padded to 4 bytes */
+	magic_len = ALIGN(magic_len, 4);
+	if (len < magic_len) {
+		ath10k_err(ar, "failed: %s/%s too small to contain board data, len: %zu\n",
+			   ar->hw_params.fw.dir, filename, len);
+		ret = -EINVAL;
+		goto err;
+	}
+
+	data += magic_len;
+	len -= magic_len;
+
+	while (len > sizeof(struct ath10k_fw_ie)) {
+		hdr = (struct ath10k_fw_ie *)data;
+		ie_id = le32_to_cpu(hdr->id);
+		ie_len = le32_to_cpu(hdr->len);
+
+		len -= sizeof(*hdr);
+		data = hdr->data;
+
+		if (len < ALIGN(ie_len, 4)) {
+			ath10k_err(ar, "invalid length for board ie_id %d ie_len %zu len %zu\n",
+				   ie_id, ie_len, len);
+			ret = -EINVAL;
+			goto err;
+		}
+
+		switch (ie_id) {
+		case ATH10K_BD_IE_BOARD:
+			ret = ath10k_core_parse_bd_ie_board(ar, data, ie_len,
+							    boardname);
+			if (ret == -ENOENT)
+				/* no match found, continue */
+				break;
+			else if (ret)
+				/* there was an error, bail out */
+				goto err;
+
+			/* board data found */
+			goto out;
+		}
+
+		/* jump over the padding */
+		ie_len = ALIGN(ie_len, 4);
+
+		len -= ie_len;
+		data += ie_len;
+	}
+
+out:
+	if (!ar->board_data || !ar->board_len) {
+		ath10k_err(ar,
+			   "failed to fetch board data for %s from %s/%s\n",
+			   ar->hw_params.fw.dir, boardname, filename);
+		ret = -ENODATA;
+		goto err;
+	}
+
+	return 0;
+
+err:
+	ath10k_core_free_board_files(ar);
+	return ret;
+}
+
+static int ath10k_core_create_board_name(struct ath10k *ar, char *name,
+					 size_t name_len)
+{
+	if (ar->id.bmi_ids_valid) {
+		scnprintf(name, name_len,
+			  "bus=%s,bmi-chip-id=%d,bmi-board-id=%d",
+			  ath10k_bus_str(ar->hif.bus),
+			  ar->id.bmi_chip_id,
+			  ar->id.bmi_board_id);
+		goto out;
+	}
+
+	scnprintf(name, name_len,
+		  "bus=%s,vendor=%04x,device=%04x,subsystem-vendor=%04x,subsystem-device=%04x",
+		  ath10k_bus_str(ar->hif.bus),
+		  ar->id.vendor, ar->id.device,
+		  ar->id.subsystem_vendor, ar->id.subsystem_device);
+
+out:
+	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using board name '%s'\n", name);
 
 	return 0;
 }
 
 static int ath10k_core_fetch_board_file(struct ath10k *ar)
 {
+	char boardname[100];
 	int ret;
 
-	if (strlen(ar->spec_board_id) > 0) {
-		ret = ath10k_core_fetch_spec_board_file(ar);
-		if (ret) {
-			ath10k_info(ar, "failed to load spec board file, falling back to generic: %d\n",
-				    ret);
-			goto generic;
-		}
-
-		ath10k_dbg(ar, ATH10K_DBG_BOOT, "found specific board file for %s\n",
-			   ar->spec_board_id);
-		return 0;
+	ret = ath10k_core_create_board_name(ar, boardname, sizeof(boardname));
+	if (ret) {
+		ath10k_err(ar, "failed to create board name: %d", ret);
+		return ret;
 	}
 
-generic:
-	ret = ath10k_core_fetch_generic_board_file(ar);
+	ar->bd_api = 2;
+	ret = ath10k_core_fetch_board_data_api_n(ar, boardname,
+						 ATH10K_BOARD_API2_FILE);
+	if (!ret)
+		goto success;
+
+	ar->bd_api = 1;
+	ret = ath10k_core_fetch_board_data_api_1(ar);
 	if (ret) {
-		ath10k_err(ar, "failed to fetch generic board data: %d\n", ret);
+		ath10k_err(ar, "failed to fetch board data\n");
 		return ret;
 	}
 
+success:
+	ath10k_dbg(ar, ATH10K_DBG_BOOT, "using board api %d\n", ar->bd_api);
 	return 0;
 }
 
@@ -885,12 +1120,6 @@ static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
 	/* calibration file is optional, don't check for any errors */
 	ath10k_fetch_cal_file(ar);
 
-	ret = ath10k_core_fetch_board_file(ar);
-	if (ret) {
-		ath10k_err(ar, "failed to fetch board file: %d\n", ret);
-		return ret;
-	}
-
 	ar->fw_api = 5;
 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
 
@@ -1263,10 +1492,10 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
 		goto err;
 
 	/* Some of of qca988x solutions are having global reset issue
-         * during target initialization. Bypassing PLL setting before
-         * downloading firmware and letting the SoC run on REF_CLK is
-         * fixing the problem. Corresponding firmware change is also needed
-         * to set the clock source once the target is initialized.
+	 * during target initialization. Bypassing PLL setting before
+	 * downloading firmware and letting the SoC run on REF_CLK is
+	 * fixing the problem. Corresponding firmware change is also needed
+	 * to set the clock source once the target is initialized.
 	 */
 	if (test_bit(ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT,
 		     ar->fw_features)) {
@@ -1500,6 +1729,19 @@ static int ath10k_core_probe_fw(struct ath10k *ar)
 		goto err_power_down;
 	}
 
+	ret = ath10k_core_get_board_id_from_otp(ar);
+	if (ret && ret != -EOPNOTSUPP) {
+		ath10k_err(ar, "failed to get board id from otp for qca99x0: %d\n",
+			   ret);
+		return ret;
+	}
+
+	ret = ath10k_core_fetch_board_file(ar);
+	if (ret) {
+		ath10k_err(ar, "failed to fetch board file: %d\n", ret);
+		goto err_free_firmware_files;
+	}
+
 	ret = ath10k_core_init_firmware_features(ar);
 	if (ret) {
 		ath10k_err(ar, "fatal problem with firmware features: %d\n",
@@ -1627,6 +1869,7 @@ void ath10k_core_unregister(struct ath10k *ar)
 	ath10k_testmode_destroy(ar);
 
 	ath10k_core_free_firmware_files(ar);
+	ath10k_core_free_board_files(ar);
 
 	ath10k_debug_unregister(ar);
 }

drivers/net/wireless/ath/ath10k/core.h

@@ -250,6 +250,30 @@ struct ath10k_fw_stats {
 	struct list_head peers;
 };
 
+#define ATH10K_TPC_TABLE_TYPE_FLAG	1
+#define ATH10K_TPC_PREAM_TABLE_END	0xFFFF
+
+struct ath10k_tpc_table {
+	u32 pream_idx[WMI_TPC_RATE_MAX];
+	u8 rate_code[WMI_TPC_RATE_MAX];
+	char tpc_value[WMI_TPC_RATE_MAX][WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
+};
+
+struct ath10k_tpc_stats {
+	u32 reg_domain;
+	u32 chan_freq;
+	u32 phy_mode;
+	u32 twice_antenna_reduction;
+	u32 twice_max_rd_power;
+	s32 twice_antenna_gain;
+	u32 power_limit;
+	u32 num_tx_chain;
+	u32 ctl;
+	u32 rate_max;
+	u8 flag[WMI_TPC_FLAG];
+	struct ath10k_tpc_table tpc_table[WMI_TPC_FLAG];
+};
+
 struct ath10k_dfs_stats {
 	u32 phy_errors;
 	u32 pulses_total;
@@ -378,6 +402,11 @@ struct ath10k_debug {
 	struct ath10k_dfs_stats dfs_stats;
 	struct ath_dfs_pool_stats dfs_pool_stats;
 
+	/* used for tpc-dump storage, protected by data-lock */
+	struct ath10k_tpc_stats *tpc_stats;
+
+	struct completion tpc_complete;
+
 	/* protected by conf_mutex */
 	u32 fw_dbglog_mask;
 	u32 fw_dbglog_level;
@@ -647,10 +676,19 @@ struct ath10k {
 		struct ath10k_swap_code_seg_info *firmware_swap_code_seg_info;
 	} swap;
 
-	char spec_board_id[100];
-	bool spec_board_loaded;
+	struct {
+		u32 vendor;
+		u32 device;
+		u32 subsystem_vendor;
+		u32 subsystem_device;
+
+		bool bmi_ids_valid;
+		u8 bmi_board_id;
+		u8 bmi_chip_id;
+	} id;
 
 	int fw_api;
+	int bd_api;
 	enum ath10k_cal_mode cal_mode;
 
 	struct {

drivers/net/wireless/ath/ath10k/debug.c

@@ -125,19 +125,25 @@ EXPORT_SYMBOL(ath10k_info);
 void ath10k_print_driver_info(struct ath10k *ar)
 {
 	char fw_features[128] = {};
+	char boardinfo[100];
 
 	ath10k_core_get_fw_features_str(ar, fw_features, sizeof(fw_features));
 
-	ath10k_info(ar, "%s (0x%08x, 0x%08x%s%s%s) fw %s api %d htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d features %s\n",
+	if (ar->id.bmi_ids_valid)
+		scnprintf(boardinfo, sizeof(boardinfo), "bmi %d:%d",
+			  ar->id.bmi_chip_id, ar->id.bmi_board_id);
+	else
+		scnprintf(boardinfo, sizeof(boardinfo), "sub %04x:%04x",
+			  ar->id.subsystem_vendor, ar->id.subsystem_device);
+
+	ath10k_info(ar, "%s (0x%08x, 0x%08x %s) fw %s fwapi %d bdapi %d htt-ver %d.%d wmi-op %d htt-op %d cal %s max-sta %d raw %d hwcrypto %d features %s\n",
 		    ar->hw_params.name,
 		    ar->target_version,
 		    ar->chip_id,
-		    (strlen(ar->spec_board_id) > 0 ? ", " : ""),
-		    ar->spec_board_id,
-		    (strlen(ar->spec_board_id) > 0 && !ar->spec_board_loaded
-		     ? " fallback" : ""),
+		    boardinfo,
 		    ar->hw->wiphy->fw_version,
 		    ar->fw_api,
+		    ar->bd_api,
 		    ar->htt.target_version_major,
 		    ar->htt.target_version_minor,
 		    ar->wmi.op_version,
@@ -285,28 +291,6 @@ static void ath10k_debug_fw_stats_reset(struct ath10k *ar)
 	spin_unlock_bh(&ar->data_lock);
 }
 
-static size_t ath10k_debug_fw_stats_num_peers(struct list_head *head)
-{
-	struct ath10k_fw_stats_peer *i;
-	size_t num = 0;
-
-	list_for_each_entry(i, head, list)
-		++num;
-
-	return num;
-}
-
-static size_t ath10k_debug_fw_stats_num_vdevs(struct list_head *head)
-{
-	struct ath10k_fw_stats_vdev *i;
-	size_t num = 0;
-
-	list_for_each_entry(i, head, list)
-		++num;
-
-	return num;
-}
-
 void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct ath10k_fw_stats stats = {};
@@ -343,8 +327,8 @@ void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
 		goto free;
 	}
 
-	num_peers = ath10k_debug_fw_stats_num_peers(&ar->debug.fw_stats.peers);
-	num_vdevs = ath10k_debug_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
+	num_peers = ath10k_wmi_fw_stats_num_peers(&ar->debug.fw_stats.peers);
+	num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&ar->debug.fw_stats.vdevs);
 	is_start = (list_empty(&ar->debug.fw_stats.pdevs) &&
 		    !list_empty(&stats.pdevs));
 	is_end = (!list_empty(&ar->debug.fw_stats.pdevs) &&
@@ -429,240 +413,6 @@ static int ath10k_debug_fw_stats_request(struct ath10k *ar)
 	return 0;
 }
 
-/* FIXME: How to calculate the buffer size sanely? */
-#define ATH10K_FW_STATS_BUF_SIZE (1024*1024)
-
-static void ath10k_fw_stats_fill(struct ath10k *ar,
-				 struct ath10k_fw_stats *fw_stats,
-				 char *buf)
-{
-	unsigned int len = 0;
-	unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE;
-	const struct ath10k_fw_stats_pdev *pdev;
-	const struct ath10k_fw_stats_vdev *vdev;
-	const struct ath10k_fw_stats_peer *peer;
-	size_t num_peers;
-	size_t num_vdevs;
-	int i;
-
-	spin_lock_bh(&ar->data_lock);
-
-	pdev = list_first_entry_or_null(&fw_stats->pdevs,
-					struct ath10k_fw_stats_pdev, list);
-	if (!pdev) {
-		ath10k_warn(ar, "failed to get pdev stats\n");
-		goto unlock;
-	}
-
-	num_peers = ath10k_debug_fw_stats_num_peers(&fw_stats->peers);
-	num_vdevs = ath10k_debug_fw_stats_num_vdevs(&fw_stats->vdevs);
-
-	len += scnprintf(buf + len, buf_len - len, "\n");
-	len += scnprintf(buf + len, buf_len - len, "%30s\n",
-			 "ath10k PDEV stats");
-	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
-				 "=================");
-
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Channel noise floor", pdev->ch_noise_floor);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "Channel TX power", pdev->chan_tx_power);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "TX frame count", pdev->tx_frame_count);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "RX frame count", pdev->rx_frame_count);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "RX clear count", pdev->rx_clear_count);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "Cycle count", pdev->cycle_count);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "PHY error count", pdev->phy_err_count);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "RTS bad count", pdev->rts_bad);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "RTS good count", pdev->rts_good);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "FCS bad count", pdev->fcs_bad);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "No beacon count", pdev->no_beacons);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
-			 "MIB int count", pdev->mib_int_count);
-
-	len += scnprintf(buf + len, buf_len - len, "\n");
-	len += scnprintf(buf + len, buf_len - len, "%30s\n",
-			 "ath10k PDEV TX stats");
-	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
-				 "=================");
-
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "HTT cookies queued", pdev->comp_queued);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "HTT cookies disp.", pdev->comp_delivered);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MSDU queued", pdev->msdu_enqued);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MPDU queued", pdev->mpdu_enqued);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MSDUs dropped", pdev->wmm_drop);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Local enqued", pdev->local_enqued);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Local freed", pdev->local_freed);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "HW queued", pdev->hw_queued);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "PPDUs reaped", pdev->hw_reaped);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Num underruns", pdev->underrun);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "PPDUs cleaned", pdev->tx_abort);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MPDUs requed", pdev->mpdus_requed);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Excessive retries", pdev->tx_ko);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "HW rate", pdev->data_rc);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Sched self tiggers", pdev->self_triggers);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Dropped due to SW retries",
-			 pdev->sw_retry_failure);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Illegal rate phy errors",
-			 pdev->illgl_rate_phy_err);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Pdev continous xretry", pdev->pdev_cont_xretry);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "TX timeout", pdev->pdev_tx_timeout);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "PDEV resets", pdev->pdev_resets);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "PHY underrun", pdev->phy_underrun);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MPDU is more than txop limit", pdev->txop_ovf);
-
-	len += scnprintf(buf + len, buf_len - len, "\n");
-	len += scnprintf(buf + len, buf_len - len, "%30s\n",
-			 "ath10k PDEV RX stats");
-	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
-				 "=================");
-
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Mid PPDU route change",
-			 pdev->mid_ppdu_route_change);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Tot. number of statuses", pdev->status_rcvd);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Extra frags on rings 0", pdev->r0_frags);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Extra frags on rings 1", pdev->r1_frags);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Extra frags on rings 2", pdev->r2_frags);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Extra frags on rings 3", pdev->r3_frags);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MSDUs delivered to HTT", pdev->htt_msdus);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MPDUs delivered to HTT", pdev->htt_mpdus);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MSDUs delivered to stack", pdev->loc_msdus);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MPDUs delivered to stack", pdev->loc_mpdus);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "Oversized AMSUs", pdev->oversize_amsdu);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "PHY errors", pdev->phy_errs);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "PHY errors drops", pdev->phy_err_drop);
-	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
-			 "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs);
-
-	len += scnprintf(buf + len, buf_len - len, "\n");
-	len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
-			 "ath10k VDEV stats", num_vdevs);
-	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
-				 "=================");
-
-	list_for_each_entry(vdev, &fw_stats->vdevs, list) {
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "vdev id", vdev->vdev_id);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "beacon snr", vdev->beacon_snr);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "data snr", vdev->data_snr);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "num rx frames", vdev->num_rx_frames);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "num rts fail", vdev->num_rts_fail);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "num rts success", vdev->num_rts_success);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "num rx err", vdev->num_rx_err);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "num rx discard", vdev->num_rx_discard);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "num tx not acked", vdev->num_tx_not_acked);
-
-		for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames); i++)
-			len += scnprintf(buf + len, buf_len - len,
-					"%25s [%02d] %u\n",
-					 "num tx frames", i,
-					 vdev->num_tx_frames[i]);
-
-		for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_retries); i++)
-			len += scnprintf(buf + len, buf_len - len,
-					"%25s [%02d] %u\n",
-					 "num tx frames retries", i,
-					 vdev->num_tx_frames_retries[i]);
-
-		for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_failures); i++)
-			len += scnprintf(buf + len, buf_len - len,
-					"%25s [%02d] %u\n",
-					 "num tx frames failures", i,
-					 vdev->num_tx_frames_failures[i]);
-
-		for (i = 0 ; i < ARRAY_SIZE(vdev->tx_rate_history); i++)
-			len += scnprintf(buf + len, buf_len - len,
-					"%25s [%02d] 0x%08x\n",
-					 "tx rate history", i,
-					 vdev->tx_rate_history[i]);
-
-		for (i = 0 ; i < ARRAY_SIZE(vdev->beacon_rssi_history); i++)
-			len += scnprintf(buf + len, buf_len - len,
-					"%25s [%02d] %u\n",
-					 "beacon rssi history", i,
-					 vdev->beacon_rssi_history[i]);
-
-		len += scnprintf(buf + len, buf_len - len, "\n");
-	}
-
-	len += scnprintf(buf + len, buf_len - len, "\n");
-	len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
-			 "ath10k PEER stats", num_peers);
-	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
-				 "=================");
-
-	list_for_each_entry(peer, &fw_stats->peers, list) {
-		len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
-				 "Peer MAC address", peer->peer_macaddr);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "Peer RSSI", peer->peer_rssi);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "Peer TX rate", peer->peer_tx_rate);
-		len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
-				 "Peer RX rate", peer->peer_rx_rate);
-		len += scnprintf(buf + len, buf_len - len, "\n");
-	}
-
-unlock:
-	spin_unlock_bh(&ar->data_lock);
-
-	if (len >= buf_len)
-		buf[len - 1] = 0;
-	else
-		buf[len] = 0;
-}
-
 static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
 {
 	struct ath10k *ar = inode->i_private;
@@ -688,7 +438,12 @@ static int ath10k_fw_stats_open(struct inode *inode, struct file *file)
 		goto err_free;
 	}
 
-	ath10k_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
+	ret = ath10k_wmi_fw_stats_fill(ar, &ar->debug.fw_stats, buf);
+	if (ret) {
+		ath10k_warn(ar, "failed to fill fw stats: %d\n", ret);
+		goto err_free;
+	}
+
 	file->private_data = buf;
 
 	mutex_unlock(&ar->conf_mutex);
@@ -1843,6 +1598,233 @@ static const struct file_operations fops_nf_cal_period = {
 	.llseek = default_llseek,
 };
 
+#define ATH10K_TPC_CONFIG_BUF_SIZE	(1024 * 1024)
+
+static int ath10k_debug_tpc_stats_request(struct ath10k *ar)
+{
+	int ret;
+	unsigned long time_left;
+
+	lockdep_assert_held(&ar->conf_mutex);
+
+	reinit_completion(&ar->debug.tpc_complete);
+
+	ret = ath10k_wmi_pdev_get_tpc_config(ar, WMI_TPC_CONFIG_PARAM);
+	if (ret) {
+		ath10k_warn(ar, "failed to request tpc config: %d\n", ret);
+		return ret;
+	}
+
+	time_left = wait_for_completion_timeout(&ar->debug.tpc_complete,
+						1 * HZ);
+	if (time_left == 0)
+		return -ETIMEDOUT;
+
+	return 0;
+}
+
+void ath10k_debug_tpc_stats_process(struct ath10k *ar,
+				    struct ath10k_tpc_stats *tpc_stats)
+{
+	spin_lock_bh(&ar->data_lock);
+
+	kfree(ar->debug.tpc_stats);
+	ar->debug.tpc_stats = tpc_stats;
+	complete(&ar->debug.tpc_complete);
+
+	spin_unlock_bh(&ar->data_lock);
+}
+
+static void ath10k_tpc_stats_print(struct ath10k_tpc_stats *tpc_stats,
+				   unsigned int j, char *buf, unsigned int *len)
+{
+	unsigned int i, buf_len;
+	static const char table_str[][5] = { "CDD",
+					     "STBC",
+					     "TXBF" };
+	static const char pream_str[][6] = { "CCK",
+					     "OFDM",
+					     "HT20",
+					     "HT40",
+					     "VHT20",
+					     "VHT40",
+					     "VHT80",
+					     "HTCUP" };
+
+	buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;
+	*len += scnprintf(buf + *len, buf_len - *len,
+			  "********************************\n");
+	*len += scnprintf(buf + *len, buf_len - *len,
+			  "******************* %s POWER TABLE ****************\n",
+			  table_str[j]);
+	*len += scnprintf(buf + *len, buf_len - *len,
+			  "********************************\n");
+	*len += scnprintf(buf + *len, buf_len - *len,
+			  "No.  Preamble Rate_code tpc_value1 tpc_value2 tpc_value3\n");
+
+	for (i = 0; i < tpc_stats->rate_max; i++) {
+		*len += scnprintf(buf + *len, buf_len - *len,
+				  "%8d %s 0x%2x %s\n", i,
+				  pream_str[tpc_stats->tpc_table[j].pream_idx[i]],
+				  tpc_stats->tpc_table[j].rate_code[i],
+				  tpc_stats->tpc_table[j].tpc_value[i]);
+	}
+
+	*len += scnprintf(buf + *len, buf_len - *len,
+			  "***********************************\n");
+}
+
+static void ath10k_tpc_stats_fill(struct ath10k *ar,
+				  struct ath10k_tpc_stats *tpc_stats,
+				  char *buf)
+{
+	unsigned int len, j, buf_len;
+
+	len = 0;
+	buf_len = ATH10K_TPC_CONFIG_BUF_SIZE;
+
+	spin_lock_bh(&ar->data_lock);
+
+	if (!tpc_stats) {
+		ath10k_warn(ar, "failed to get tpc stats\n");
+		goto unlock;
+	}
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	len += scnprintf(buf + len, buf_len - len,
+			 "*************************************\n");
+	len += scnprintf(buf + len, buf_len - len,
+			 "TPC config for channel %4d mode %d\n",
+			 tpc_stats->chan_freq,
+			 tpc_stats->phy_mode);
+	len += scnprintf(buf + len, buf_len - len,
+			 "*************************************\n");
+	len += scnprintf(buf + len, buf_len - len,
+			 "CTL		=  0x%2x Reg. Domain		= %2d\n",
+			 tpc_stats->ctl,
+			 tpc_stats->reg_domain);
+	len += scnprintf(buf + len, buf_len - len,
+			 "Antenna Gain	= %2d Reg. Max Antenna Gain	=  %2d\n",
+			 tpc_stats->twice_antenna_gain,
+			 tpc_stats->twice_antenna_reduction);
+	len += scnprintf(buf + len, buf_len - len,
+			 "Power Limit	= %2d Reg. Max Power		= %2d\n",
+			 tpc_stats->power_limit,
+			 tpc_stats->twice_max_rd_power / 2);
+	len += scnprintf(buf + len, buf_len - len,
+			 "Num tx chains	= %2d Num supported rates	= %2d\n",
+			 tpc_stats->num_tx_chain,
+			 tpc_stats->rate_max);
+
+	for (j = 0; j < tpc_stats->num_tx_chain ; j++) {
+		switch (j) {
+		case WMI_TPC_TABLE_TYPE_CDD:
+			if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
+				len += scnprintf(buf + len, buf_len - len,
+						 "CDD not supported\n");
+				break;
+			}
+
+			ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
+			break;
+		case WMI_TPC_TABLE_TYPE_STBC:
+			if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
+				len += scnprintf(buf + len, buf_len - len,
+						 "STBC not supported\n");
+				break;
+			}
+
+			ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
+			break;
+		case WMI_TPC_TABLE_TYPE_TXBF:
+			if (tpc_stats->flag[j] == ATH10K_TPC_TABLE_TYPE_FLAG) {
+				len += scnprintf(buf + len, buf_len - len,
+						 "TXBF not supported\n***************************\n");
+				break;
+			}
+
+			ath10k_tpc_stats_print(tpc_stats, j, buf, &len);
+			break;
+		default:
+			len += scnprintf(buf + len, buf_len - len,
+					 "Invalid Type\n");
+			break;
+		}
+	}
+
+unlock:
+	spin_unlock_bh(&ar->data_lock);
+
+	if (len >= buf_len)
+		buf[len - 1] = 0;
+	else
+		buf[len] = 0;
+}
+
+static int ath10k_tpc_stats_open(struct inode *inode, struct file *file)
+{
+	struct ath10k *ar = inode->i_private;
+	void *buf = NULL;
+	int ret;
+
+	mutex_lock(&ar->conf_mutex);
+
+	if (ar->state != ATH10K_STATE_ON) {
+		ret = -ENETDOWN;
+		goto err_unlock;
+	}
+
+	buf = vmalloc(ATH10K_TPC_CONFIG_BUF_SIZE);
+	if (!buf) {
+		ret = -ENOMEM;
+		goto err_unlock;
+	}
+
+	ret = ath10k_debug_tpc_stats_request(ar);
+	if (ret) {
+		ath10k_warn(ar, "failed to request tpc config stats: %d\n",
+			    ret);
+		goto err_free;
+	}
+
+	ath10k_tpc_stats_fill(ar, ar->debug.tpc_stats, buf);
+	file->private_data = buf;
+
+	mutex_unlock(&ar->conf_mutex);
+	return 0;
+
+err_free:
+	vfree(buf);
+
+err_unlock:
+	mutex_unlock(&ar->conf_mutex);
+	return ret;
+}
+
+static int ath10k_tpc_stats_release(struct inode *inode, struct file *file)
+{
+	vfree(file->private_data);
+
+	return 0;
+}
+
+static ssize_t ath10k_tpc_stats_read(struct file *file, char __user *user_buf,
+				     size_t count, loff_t *ppos)
+{
+	const char *buf = file->private_data;
+	unsigned int len = strlen(buf);
+
+	return simple_read_from_buffer(user_buf, count, ppos, buf, len);
+}
+
+static const struct file_operations fops_tpc_stats = {
+	.open = ath10k_tpc_stats_open,
+	.release = ath10k_tpc_stats_release,
+	.read = ath10k_tpc_stats_read,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 int ath10k_debug_start(struct ath10k *ar)
 {
 	int ret;
@@ -2111,6 +2093,8 @@ void ath10k_debug_destroy(struct ath10k *ar)
 	ar->debug.fw_crash_data = NULL;
 
 	ath10k_debug_fw_stats_reset(ar);
+
+	kfree(ar->debug.tpc_stats);
 }
 
 int ath10k_debug_register(struct ath10k *ar)
@@ -2127,6 +2111,7 @@ int ath10k_debug_register(struct ath10k *ar)
 	INIT_DELAYED_WORK(&ar->debug.htt_stats_dwork,
 			  ath10k_debug_htt_stats_dwork);
 
+	init_completion(&ar->debug.tpc_complete);
 	init_completion(&ar->debug.fw_stats_complete);
 
 	debugfs_create_file("fw_stats", S_IRUSR, ar->debug.debugfs_phy, ar,
@@ -2195,6 +2180,9 @@ int ath10k_debug_register(struct ath10k *ar)
 	debugfs_create_file("quiet_period", S_IRUGO | S_IWUSR,
 			    ar->debug.debugfs_phy, ar, &fops_quiet_period);
 
+	debugfs_create_file("tpc_stats", S_IRUSR,
+			    ar->debug.debugfs_phy, ar, &fops_tpc_stats);
+
 	return 0;
 }
 

drivers/net/wireless/ath/ath10k/debug.h

@@ -55,6 +55,9 @@ enum ath10k_dbg_aggr_mode {
 	ATH10K_DBG_AGGR_MODE_MAX,
 };
 
+/* FIXME: How to calculate the buffer size sanely? */
+#define ATH10K_FW_STATS_BUF_SIZE (1024*1024)
+
 extern unsigned int ath10k_debug_mask;
 
 __printf(2, 3) void ath10k_info(struct ath10k *ar, const char *fmt, ...);
@@ -70,6 +73,8 @@ void ath10k_debug_destroy(struct ath10k *ar);
 int ath10k_debug_register(struct ath10k *ar);
 void ath10k_debug_unregister(struct ath10k *ar);
 void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb);
+void ath10k_debug_tpc_stats_process(struct ath10k *ar,
+				    struct ath10k_tpc_stats *tpc_stats);
 struct ath10k_fw_crash_data *
 ath10k_debug_get_new_fw_crash_data(struct ath10k *ar);
 
@@ -117,6 +122,12 @@ static inline void ath10k_debug_fw_stats_process(struct ath10k *ar,
 {
 }
 
+static inline void ath10k_debug_tpc_stats_process(struct ath10k *ar,
+						  struct ath10k_tpc_stats *tpc_stats)
+{
+	kfree(tpc_stats);
+}
+
 static inline void ath10k_debug_dbglog_add(struct ath10k *ar, u8 *buffer,
 					   int len)
 {

drivers/net/wireless/ath/ath10k/hif.h

@@ -30,13 +30,6 @@ struct ath10k_hif_sg_item {
 	u16 len;
 };
 
-struct ath10k_hif_cb {
-	int (*tx_completion)(struct ath10k *ar,
-			     struct sk_buff *wbuf);
-	int (*rx_completion)(struct ath10k *ar,
-			     struct sk_buff *wbuf);
-};
-
 struct ath10k_hif_ops {
 	/* send a scatter-gather list to the target */
 	int (*tx_sg)(struct ath10k *ar, u8 pipe_id,
@@ -65,8 +58,7 @@ struct ath10k_hif_ops {
 	void (*stop)(struct ath10k *ar);
 
 	int (*map_service_to_pipe)(struct ath10k *ar, u16 service_id,
-				   u8 *ul_pipe, u8 *dl_pipe,
-				   int *ul_is_polled, int *dl_is_polled);
+				   u8 *ul_pipe, u8 *dl_pipe);
 
 	void (*get_default_pipe)(struct ath10k *ar, u8 *ul_pipe, u8 *dl_pipe);
 
@@ -80,9 +72,6 @@ struct ath10k_hif_ops {
 	 */
 	void (*send_complete_check)(struct ath10k *ar, u8 pipe_id, int force);
 
-	void (*set_callbacks)(struct ath10k *ar,
-			      struct ath10k_hif_cb *callbacks);
-
 	u16 (*get_free_queue_number)(struct ath10k *ar, u8 pipe_id);
 
 	u32 (*read32)(struct ath10k *ar, u32 address);
@@ -142,13 +131,10 @@ static inline void ath10k_hif_stop(struct ath10k *ar)
 
 static inline int ath10k_hif_map_service_to_pipe(struct ath10k *ar,
 						 u16 service_id,
-						 u8 *ul_pipe, u8 *dl_pipe,
-						 int *ul_is_polled,
-						 int *dl_is_polled)
+						 u8 *ul_pipe, u8 *dl_pipe)
 {
 	return ar->hif.ops->map_service_to_pipe(ar, service_id,
-						ul_pipe, dl_pipe,
-						ul_is_polled, dl_is_polled);
+						ul_pipe, dl_pipe);
 }
 
 static inline void ath10k_hif_get_default_pipe(struct ath10k *ar,
@@ -163,12 +149,6 @@ static inline void ath10k_hif_send_complete_check(struct ath10k *ar,
 	ar->hif.ops->send_complete_check(ar, pipe_id, force);
 }
 
-static inline void ath10k_hif_set_callbacks(struct ath10k *ar,
-					    struct ath10k_hif_cb *callbacks)
-{
-	ar->hif.ops->set_callbacks(ar, callbacks);
-}
-
 static inline u16 ath10k_hif_get_free_queue_number(struct ath10k *ar,
 						   u8 pipe_id)
 {

drivers/net/wireless/ath/ath10k/htc.c

@@ -23,16 +23,6 @@
 /* Send */
 /********/
 
-static inline void ath10k_htc_send_complete_check(struct ath10k_htc_ep *ep,
-						  int force)
-{
-	/*
-	 * Check whether HIF has any prior sends that have finished,
-	 * have not had the post-processing done.
-	 */
-	ath10k_hif_send_complete_check(ep->htc->ar, ep->ul_pipe_id, force);
-}
-
 static void ath10k_htc_control_tx_complete(struct ath10k *ar,
 					   struct sk_buff *skb)
 {
@@ -181,24 +171,22 @@ err_pull:
 	return ret;
 }
 
-static int ath10k_htc_tx_completion_handler(struct ath10k *ar,
-					    struct sk_buff *skb)
+void ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct ath10k_htc *htc = &ar->htc;
 	struct ath10k_skb_cb *skb_cb;
 	struct ath10k_htc_ep *ep;
 
 	if (WARN_ON_ONCE(!skb))
-		return 0;
+		return;
 
 	skb_cb = ATH10K_SKB_CB(skb);
 	ep = &htc->endpoint[skb_cb->eid];
 
 	ath10k_htc_notify_tx_completion(ep, skb);
 	/* the skb now belongs to the completion handler */
-
-	return 0;
 }
+EXPORT_SYMBOL(ath10k_htc_tx_completion_handler);
 
 /***********/
 /* Receive */
@@ -304,8 +292,7 @@ static int ath10k_htc_process_trailer(struct ath10k_htc *htc,
 	return status;
 }
 
-static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
-					    struct sk_buff *skb)
+void ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb)
 {
 	int status = 0;
 	struct ath10k_htc *htc = &ar->htc;
@@ -326,21 +313,11 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
 		ath10k_warn(ar, "HTC Rx: invalid eid %d\n", eid);
 		ath10k_dbg_dump(ar, ATH10K_DBG_HTC, "htc bad header", "",
 				hdr, sizeof(*hdr));
-		status = -EINVAL;
 		goto out;
 	}
 
 	ep = &htc->endpoint[eid];
 
-	/*
-	 * If this endpoint that received a message from the target has
-	 * a to-target HIF pipe whose send completions are polled rather
-	 * than interrupt-driven, this is a good point to ask HIF to check
-	 * whether it has any completed sends to handle.
-	 */
-	if (ep->ul_is_polled)
-		ath10k_htc_send_complete_check(ep, 1);
-
 	payload_len = __le16_to_cpu(hdr->len);
 
 	if (payload_len + sizeof(*hdr) > ATH10K_HTC_MAX_LEN) {
@@ -348,7 +325,6 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
 			    payload_len + sizeof(*hdr));
 		ath10k_dbg_dump(ar, ATH10K_DBG_HTC, "htc bad rx pkt len", "",
 				hdr, sizeof(*hdr));
-		status = -EINVAL;
 		goto out;
 	}
 
@@ -358,7 +334,6 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
 			   skb->len, payload_len);
 		ath10k_dbg_dump(ar, ATH10K_DBG_HTC, "htc bad rx pkt len",
 				"", hdr, sizeof(*hdr));
-		status = -EINVAL;
 		goto out;
 	}
 
@@ -374,7 +349,6 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
 		    (trailer_len > payload_len)) {
 			ath10k_warn(ar, "Invalid trailer length: %d\n",
 				    trailer_len);
-			status = -EPROTO;
 			goto out;
 		}
 
@@ -407,7 +381,6 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
 				 * sending unsolicited messages on the ep 0
 				 */
 				ath10k_warn(ar, "HTC rx ctrl still processing\n");
-				status = -EINVAL;
 				complete(&htc->ctl_resp);
 				goto out;
 			}
@@ -439,9 +412,8 @@ static int ath10k_htc_rx_completion_handler(struct ath10k *ar,
 	skb = NULL;
 out:
 	kfree_skb(skb);
-
-	return status;
 }
+EXPORT_SYMBOL(ath10k_htc_rx_completion_handler);
 
 static void ath10k_htc_control_rx_complete(struct ath10k *ar,
 					   struct sk_buff *skb)
@@ -767,9 +739,7 @@ setup:
 	status = ath10k_hif_map_service_to_pipe(htc->ar,
 						ep->service_id,
 						&ep->ul_pipe_id,
-						&ep->dl_pipe_id,
-						&ep->ul_is_polled,
-						&ep->dl_is_polled);
+						&ep->dl_pipe_id);
 	if (status)
 		return status;
 
@@ -778,10 +748,6 @@ setup:
 		   htc_service_name(ep->service_id), ep->ul_pipe_id,
 		   ep->dl_pipe_id, ep->eid);
 
-	ath10k_dbg(ar, ATH10K_DBG_BOOT,
-		   "boot htc ep %d ul polled %d dl polled %d\n",
-		   ep->eid, ep->ul_is_polled, ep->dl_is_polled);
-
 	if (disable_credit_flow_ctrl && ep->tx_credit_flow_enabled) {
 		ep->tx_credit_flow_enabled = false;
 		ath10k_dbg(ar, ATH10K_DBG_BOOT,
@@ -841,7 +807,6 @@ int ath10k_htc_start(struct ath10k_htc *htc)
 /* registered target arrival callback from the HIF layer */
 int ath10k_htc_init(struct ath10k *ar)
 {
-	struct ath10k_hif_cb htc_callbacks;
 	struct ath10k_htc_ep *ep = NULL;
 	struct ath10k_htc *htc = &ar->htc;
 
@@ -849,15 +814,11 @@ int ath10k_htc_init(struct ath10k *ar)
 
 	ath10k_htc_reset_endpoint_states(htc);
 
-	/* setup HIF layer callbacks */
-	htc_callbacks.rx_completion = ath10k_htc_rx_completion_handler;
-	htc_callbacks.tx_completion = ath10k_htc_tx_completion_handler;
 	htc->ar = ar;
 
 	/* Get HIF default pipe for HTC message exchange */
 	ep = &htc->endpoint[ATH10K_HTC_EP_0];
 
-	ath10k_hif_set_callbacks(ar, &htc_callbacks);
 	ath10k_hif_get_default_pipe(ar, &ep->ul_pipe_id, &ep->dl_pipe_id);
 
 	init_completion(&htc->ctl_resp);

drivers/net/wireless/ath/ath10k/htc.h

@@ -312,8 +312,6 @@ struct ath10k_htc_ep {
 	int max_ep_message_len;
 	u8 ul_pipe_id;
 	u8 dl_pipe_id;
-	int ul_is_polled; /* call HIF to get tx completions */
-	int dl_is_polled; /* call HIF to fetch rx (not implemented) */
 
 	u8 seq_no; /* for debugging */
 	int tx_credits;
@@ -355,5 +353,7 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
 int ath10k_htc_send(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
 		    struct sk_buff *packet);
 struct sk_buff *ath10k_htc_alloc_skb(struct ath10k *ar, int size);
+void ath10k_htc_tx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
+void ath10k_htc_rx_completion_handler(struct ath10k *ar, struct sk_buff *skb);
 
 #endif

drivers/net/wireless/ath/ath10k/htt.h

@@ -1488,7 +1488,6 @@ struct ath10k_htt {
 	int num_pending_mgmt_tx;
 	struct idr pending_tx;
 	wait_queue_head_t empty_tx_wq;
-	struct dma_pool *tx_pool;
 
 	/* set if host-fw communication goes haywire
 	 * used to avoid further failures */
@@ -1509,6 +1508,11 @@ struct ath10k_htt {
 		dma_addr_t paddr;
 		struct htt_msdu_ext_desc *vaddr;
 	} frag_desc;
+
+	struct {
+		dma_addr_t paddr;
+		struct ath10k_htt_txbuf *vaddr;
+	} txbuf;
 };
 
 #define RX_HTT_HDR_STATUS_LEN 64
@@ -1587,6 +1591,7 @@ int ath10k_htt_send_rx_ring_cfg_ll(struct ath10k_htt *htt);
 int ath10k_htt_h2t_aggr_cfg_msg(struct ath10k_htt *htt,
 				u8 max_subfrms_ampdu,
 				u8 max_subfrms_amsdu);
+void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb);
 
 void __ath10k_htt_tx_dec_pending(struct ath10k_htt *htt, bool limit_mgmt_desc);
 int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb);

drivers/net/wireless/ath/ath10k/htt_rx.c

@@ -2125,6 +2125,7 @@ void ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 	/* Free the indication buffer */
 	dev_kfree_skb_any(skb);
 }
+EXPORT_SYMBOL(ath10k_htt_t2h_msg_handler);
 
 static void ath10k_htt_txrx_compl_task(unsigned long ptr)
 {

drivers/net/wireless/ath/ath10k/htt_tx.c

@@ -108,9 +108,12 @@ int ath10k_htt_tx_alloc(struct ath10k_htt *htt)
 	spin_lock_init(&htt->tx_lock);
 	idr_init(&htt->pending_tx);
 
-	htt->tx_pool = dma_pool_create("ath10k htt tx pool", htt->ar->dev,
-				       sizeof(struct ath10k_htt_txbuf), 4, 0);
-	if (!htt->tx_pool) {
+	size = htt->max_num_pending_tx * sizeof(struct ath10k_htt_txbuf);
+	htt->txbuf.vaddr = dma_alloc_coherent(ar->dev, size,
+						  &htt->txbuf.paddr,
+						  GFP_DMA);
+	if (!htt->txbuf.vaddr) {
+		ath10k_err(ar, "failed to alloc tx buffer\n");
 		ret = -ENOMEM;
 		goto free_idr_pending_tx;
 	}
@@ -125,14 +128,17 @@ int ath10k_htt_tx_alloc(struct ath10k_htt *htt)
 	if (!htt->frag_desc.vaddr) {
 		ath10k_warn(ar, "failed to alloc fragment desc memory\n");
 		ret = -ENOMEM;
-		goto free_tx_pool;
+		goto free_txbuf;
 	}
 
 skip_frag_desc_alloc:
 	return 0;
 
-free_tx_pool:
-	dma_pool_destroy(htt->tx_pool);
+free_txbuf:
+	size = htt->max_num_pending_tx *
+			  sizeof(struct ath10k_htt_txbuf);
+	dma_free_coherent(htt->ar->dev, size, htt->txbuf.vaddr,
+			  htt->txbuf.paddr);
 free_idr_pending_tx:
 	idr_destroy(&htt->pending_tx);
 	return ret;
@@ -160,7 +166,13 @@ void ath10k_htt_tx_free(struct ath10k_htt *htt)
 
 	idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
 	idr_destroy(&htt->pending_tx);
-	dma_pool_destroy(htt->tx_pool);
+
+	if (htt->txbuf.vaddr) {
+		size = htt->max_num_pending_tx *
+				  sizeof(struct ath10k_htt_txbuf);
+		dma_free_coherent(htt->ar->dev, size, htt->txbuf.vaddr,
+				  htt->txbuf.paddr);
+	}
 
 	if (htt->frag_desc.vaddr) {
 		size = htt->max_num_pending_tx *
@@ -175,6 +187,12 @@ void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb)
 	dev_kfree_skb_any(skb);
 }
 
+void ath10k_htt_hif_tx_complete(struct ath10k *ar, struct sk_buff *skb)
+{
+	dev_kfree_skb_any(skb);
+}
+EXPORT_SYMBOL(ath10k_htt_hif_tx_complete);
+
 int ath10k_htt_h2t_ver_req_msg(struct ath10k_htt *htt)
 {
 	struct ath10k *ar = htt->ar;
@@ -454,9 +472,9 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	spin_lock_bh(&htt->tx_lock);
 	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
 	spin_unlock_bh(&htt->tx_lock);
-	if (res < 0) {
+	if (res < 0)
 		goto err_tx_dec;
-	}
+
 	msdu_id = res;
 
 	txdesc = ath10k_htc_alloc_skb(ar, len);
@@ -521,7 +539,6 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	int res;
 	u8 flags0 = 0;
 	u16 msdu_id, flags1 = 0;
-	dma_addr_t paddr = 0;
 	u32 frags_paddr = 0;
 	struct htt_msdu_ext_desc *ext_desc = NULL;
 	bool limit_mgmt_desc = false;
@@ -542,21 +559,17 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	spin_lock_bh(&htt->tx_lock);
 	res = ath10k_htt_tx_alloc_msdu_id(htt, msdu);
 	spin_unlock_bh(&htt->tx_lock);
-	if (res < 0) {
+	if (res < 0)
 		goto err_tx_dec;
-	}
+
 	msdu_id = res;
 
 	prefetch_len = min(htt->prefetch_len, msdu->len);
 	prefetch_len = roundup(prefetch_len, 4);
 
-	skb_cb->htt.txbuf = dma_pool_alloc(htt->tx_pool, GFP_ATOMIC,
-					   &paddr);
-	if (!skb_cb->htt.txbuf) {
-		res = -ENOMEM;
-		goto err_free_msdu_id;
-	}
-	skb_cb->htt.txbuf_paddr = paddr;
+	skb_cb->htt.txbuf = &htt->txbuf.vaddr[msdu_id];
+	skb_cb->htt.txbuf_paddr = htt->txbuf.paddr +
+		(sizeof(struct ath10k_htt_txbuf) * msdu_id);
 
 	if ((ieee80211_is_action(hdr->frame_control) ||
 	     ieee80211_is_deauth(hdr->frame_control) ||
@@ -574,7 +587,7 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 	res = dma_mapping_error(dev, skb_cb->paddr);
 	if (res) {
 		res = -EIO;
-		goto err_free_txbuf;
+		goto err_free_msdu_id;
 	}
 
 	switch (skb_cb->txmode) {
@@ -706,10 +719,6 @@ int ath10k_htt_tx(struct ath10k_htt *htt, struct sk_buff *msdu)
 
 err_unmap_msdu:
 	dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
-err_free_txbuf:
-	dma_pool_free(htt->tx_pool,
-		      skb_cb->htt.txbuf,
-		      skb_cb->htt.txbuf_paddr);
 err_free_msdu_id:
 	spin_lock_bh(&htt->tx_lock);
 	ath10k_htt_tx_free_msdu_id(htt, msdu_id);

drivers/net/wireless/ath/ath10k/hw.h

@@ -97,6 +97,9 @@ enum qca6174_chip_id_rev {
 
 /* includes also the null byte */
 #define ATH10K_FIRMWARE_MAGIC               "QCA-ATH10K"
+#define ATH10K_BOARD_MAGIC                  "QCA-ATH10K-BOARD"
+
+#define ATH10K_BOARD_API2_FILE         "board-2.bin"
 
 #define REG_DUMP_COUNT_QCA988X 60
 
@@ -159,6 +162,16 @@ enum ath10k_fw_htt_op_version {
 	ATH10K_FW_HTT_OP_VERSION_MAX,
 };
 
+enum ath10k_bd_ie_type {
+	/* contains sub IEs of enum ath10k_bd_ie_board_type */
+	ATH10K_BD_IE_BOARD = 0,
+};
+
+enum ath10k_bd_ie_board_type {
+	ATH10K_BD_IE_BOARD_NAME = 0,
+	ATH10K_BD_IE_BOARD_DATA = 1,
+};
+
 enum ath10k_hw_rev {
 	ATH10K_HW_QCA988X,
 	ATH10K_HW_QCA6174,

drivers/net/wireless/ath/ath10k/mac.c

@@ -197,9 +197,8 @@ static int ath10k_send_key(struct ath10k_vif *arvif,
 		return -EOPNOTSUPP;
 	}
 
-	if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags)) {
+	if (test_bit(ATH10K_FLAG_RAW_MODE, &ar->dev_flags))
 		key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
-	}
 
 	if (cmd == DISABLE_KEY) {
 		arg.key_cipher = WMI_CIPHER_NONE;
@@ -1111,7 +1110,8 @@ static int ath10k_monitor_recalc(struct ath10k *ar)
 
 			ret = ath10k_monitor_stop(ar);
 			if (ret)
-				ath10k_warn(ar, "failed to stop disallowed monitor: %d\n", ret);
+				ath10k_warn(ar, "failed to stop disallowed monitor: %d\n",
+					    ret);
 				/* not serious */
 		}
 
@@ -2084,7 +2084,8 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
 	enum ieee80211_band band;
 	const u8 *ht_mcs_mask;
 	const u16 *vht_mcs_mask;
-	int i, n, max_nss;
+	int i, n;
+	u8 max_nss;
 	u32 stbc;
 
 	lockdep_assert_held(&ar->conf_mutex);
@@ -2169,7 +2170,7 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
 			arg->peer_ht_rates.rates[i] = i;
 	} else {
 		arg->peer_ht_rates.num_rates = n;
-		arg->peer_num_spatial_streams = max_nss;
+		arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
 	}
 
 	ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
@@ -4065,6 +4066,7 @@ static u32 get_nss_from_chainmask(u16 chain_mask)
 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
 {
 	int nsts = ar->vht_cap_info;
+
 	nsts &= IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK;
 	nsts >>= IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT;
 
@@ -4081,8 +4083,9 @@ static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
 static int ath10k_mac_get_vht_cap_bf_sound_dim(struct ath10k *ar)
 {
 	int sound_dim = ar->vht_cap_info;
+
 	sound_dim &= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK;
-	sound_dim >>=IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
+	sound_dim >>= IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT;
 
 	/* If the sounding dimension is not advertised by the firmware,
 	 * let's use a default value of 1
@@ -4656,7 +4659,7 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
 						info->use_cts_prot ? 1 : 0);
 		if (ret)
 			ath10k_warn(ar, "failed to set protection mode %d on vdev %i: %d\n",
-					info->use_cts_prot, arvif->vdev_id, ret);
+				    info->use_cts_prot, arvif->vdev_id, ret);
 	}
 
 	if (changed & BSS_CHANGED_ERP_SLOT) {
@@ -6268,8 +6271,8 @@ ath10k_mac_update_rx_channel(struct ath10k *ar,
 	rcu_read_lock();
 	if (!ctx && ath10k_mac_num_chanctxs(ar) == 1) {
 		ieee80211_iter_chan_contexts_atomic(ar->hw,
-					ath10k_mac_get_any_chandef_iter,
-					&def);
+						    ath10k_mac_get_any_chandef_iter,
+						    &def);
 
 		if (vifs)
 			def = &vifs[0].new_ctx->def;
@@ -7301,7 +7304,7 @@ int ath10k_mac_register(struct ath10k *ar)
 			    ath10k_reg_notifier);
 	if (ret) {
 		ath10k_err(ar, "failed to initialise regulatory: %i\n", ret);
-		goto err_free;
+		goto err_dfs_detector_exit;
 	}
 
 	ar->hw->wiphy->cipher_suites = cipher_suites;
@@ -7310,7 +7313,7 @@ int ath10k_mac_register(struct ath10k *ar)
 	ret = ieee80211_register_hw(ar->hw);
 	if (ret) {
 		ath10k_err(ar, "failed to register ieee80211: %d\n", ret);
-		goto err_free;
+		goto err_dfs_detector_exit;
 	}
 
 	if (!ath_is_world_regd(&ar->ath_common.regulatory)) {
@@ -7324,10 +7327,16 @@ int ath10k_mac_register(struct ath10k *ar)
 
 err_unregister:
 	ieee80211_unregister_hw(ar->hw);
+
+err_dfs_detector_exit:
+	if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
+		ar->dfs_detector->exit(ar->dfs_detector);
+
 err_free:
 	kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
 	kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);
 
+	SET_IEEE80211_DEV(ar->hw, NULL);
 	return ret;
 }
 

drivers/net/wireless/ath/ath10k/pci.c

@@ -104,6 +104,10 @@ static int ath10k_pci_bmi_wait(struct ath10k_ce_pipe *tx_pipe,
 			       struct ath10k_ce_pipe *rx_pipe,
 			       struct bmi_xfer *xfer);
 static int ath10k_pci_qca99x0_chip_reset(struct ath10k *ar);
+static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state);
+static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
+static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state);
+static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state);
 
 static const struct ce_attr host_ce_config_wlan[] = {
 	/* CE0: host->target HTC control and raw streams */
@@ -112,6 +116,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
 		.src_nentries = 16,
 		.src_sz_max = 256,
 		.dest_nentries = 0,
+		.send_cb = ath10k_pci_htc_tx_cb,
 	},
 
 	/* CE1: target->host HTT + HTC control */
@@ -120,6 +125,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
 		.src_nentries = 0,
 		.src_sz_max = 2048,
 		.dest_nentries = 512,
+		.recv_cb = ath10k_pci_htc_rx_cb,
 	},
 
 	/* CE2: target->host WMI */
@@ -128,6 +134,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
 		.src_nentries = 0,
 		.src_sz_max = 2048,
 		.dest_nentries = 128,
+		.recv_cb = ath10k_pci_htc_rx_cb,
 	},
 
 	/* CE3: host->target WMI */
@@ -136,6 +143,7 @@ static const struct ce_attr host_ce_config_wlan[] = {
 		.src_nentries = 32,
 		.src_sz_max = 2048,
 		.dest_nentries = 0,
+		.send_cb = ath10k_pci_htc_tx_cb,
 	},
 
 	/* CE4: host->target HTT */
@@ -144,14 +152,16 @@ static const struct ce_attr host_ce_config_wlan[] = {
 		.src_nentries = CE_HTT_H2T_MSG_SRC_NENTRIES,
 		.src_sz_max = 256,
 		.dest_nentries = 0,
+		.send_cb = ath10k_pci_htt_tx_cb,
 	},
 
-	/* CE5: unused */
+	/* CE5: target->host HTT (HIF->HTT) */
 	{
 		.flags = CE_ATTR_FLAGS,
 		.src_nentries = 0,
-		.src_sz_max = 0,
-		.dest_nentries = 0,
+		.src_sz_max = 512,
+		.dest_nentries = 512,
+		.recv_cb = ath10k_pci_htt_rx_cb,
 	},
 
 	/* CE6: target autonomous hif_memcpy */
@@ -257,12 +267,12 @@ static const struct ce_pipe_config target_ce_config_wlan[] = {
 
 	/* NB: 50% of src nentries, since tx has 2 frags */
 
-	/* CE5: unused */
+	/* CE5: target->host HTT (HIF->HTT) */
 	{
 		.pipenum = __cpu_to_le32(5),
-		.pipedir = __cpu_to_le32(PIPEDIR_OUT),
+		.pipedir = __cpu_to_le32(PIPEDIR_IN),
 		.nentries = __cpu_to_le32(32),
-		.nbytes_max = __cpu_to_le32(2048),
+		.nbytes_max = __cpu_to_le32(512),
 		.flags = __cpu_to_le32(CE_ATTR_FLAGS),
 		.reserved = __cpu_to_le32(0),
 	},
@@ -396,7 +406,7 @@ static const struct service_to_pipe target_service_to_ce_map_wlan[] = {
 	{
 		__cpu_to_le32(ATH10K_HTC_SVC_ID_HTT_DATA_MSG),
 		__cpu_to_le32(PIPEDIR_IN),	/* in = DL = target -> host */
-		__cpu_to_le32(1),
+		__cpu_to_le32(5),
 	},
 
 	/* (Additions here) */
@@ -452,8 +462,12 @@ static int ath10k_pci_wake_wait(struct ath10k *ar)
 	int curr_delay = 5;
 
 	while (tot_delay < PCIE_WAKE_TIMEOUT) {
-		if (ath10k_pci_is_awake(ar))
+		if (ath10k_pci_is_awake(ar)) {
+			if (tot_delay > PCIE_WAKE_LATE_US)
+				ath10k_warn(ar, "device wakeup took %d ms which is unusally long, otherwise it works normally.\n",
+					    tot_delay / 1000);
 			return 0;
+		}
 
 		udelay(curr_delay);
 		tot_delay += curr_delay;
@@ -465,12 +479,53 @@ static int ath10k_pci_wake_wait(struct ath10k *ar)
 	return -ETIMEDOUT;
 }
 
+static int ath10k_pci_force_wake(struct ath10k *ar)
+{
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+	unsigned long flags;
+	int ret = 0;
+
+	spin_lock_irqsave(&ar_pci->ps_lock, flags);
+
+	if (!ar_pci->ps_awake) {
+		iowrite32(PCIE_SOC_WAKE_V_MASK,
+			  ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
+			  PCIE_SOC_WAKE_ADDRESS);
+
+		ret = ath10k_pci_wake_wait(ar);
+		if (ret == 0)
+			ar_pci->ps_awake = true;
+	}
+
+	spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
+
+	return ret;
+}
+
+static void ath10k_pci_force_sleep(struct ath10k *ar)
+{
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+	unsigned long flags;
+
+	spin_lock_irqsave(&ar_pci->ps_lock, flags);
+
+	iowrite32(PCIE_SOC_WAKE_RESET,
+		  ar_pci->mem + PCIE_LOCAL_BASE_ADDRESS +
+		  PCIE_SOC_WAKE_ADDRESS);
+	ar_pci->ps_awake = false;
+
+	spin_unlock_irqrestore(&ar_pci->ps_lock, flags);
+}
+
 static int ath10k_pci_wake(struct ath10k *ar)
 {
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	unsigned long flags;
 	int ret = 0;
 
+	if (ar_pci->pci_ps == 0)
+		return ret;
+
 	spin_lock_irqsave(&ar_pci->ps_lock, flags);
 
 	ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps wake refcount %lu awake %d\n",
@@ -502,6 +557,9 @@ static void ath10k_pci_sleep(struct ath10k *ar)
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	unsigned long flags;
 
+	if (ar_pci->pci_ps == 0)
+		return;
+
 	spin_lock_irqsave(&ar_pci->ps_lock, flags);
 
 	ath10k_dbg(ar, ATH10K_DBG_PCI_PS, "pci ps sleep refcount %lu awake %d\n",
@@ -544,6 +602,11 @@ static void ath10k_pci_sleep_sync(struct ath10k *ar)
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	unsigned long flags;
 
+	if (ar_pci->pci_ps == 0) {
+		ath10k_pci_force_sleep(ar);
+		return;
+	}
+
 	del_timer_sync(&ar_pci->ps_timer);
 
 	spin_lock_irqsave(&ar_pci->ps_lock, flags);
@@ -682,8 +745,6 @@ static int __ath10k_pci_rx_post_buf(struct ath10k_pci_pipe *pipe)
 	dma_addr_t paddr;
 	int ret;
 
-	lockdep_assert_held(&ar_pci->ce_lock);
-
 	skb = dev_alloc_skb(pipe->buf_sz);
 	if (!skb)
 		return -ENOMEM;
@@ -701,9 +762,10 @@ static int __ath10k_pci_rx_post_buf(struct ath10k_pci_pipe *pipe)
 
 	ATH10K_SKB_RXCB(skb)->paddr = paddr;
 
+	spin_lock_bh(&ar_pci->ce_lock);
 	ret = __ath10k_ce_rx_post_buf(ce_pipe, skb, paddr);
+	spin_unlock_bh(&ar_pci->ce_lock);
 	if (ret) {
-		ath10k_warn(ar, "failed to post pci rx buf: %d\n", ret);
 		dma_unmap_single(ar->dev, paddr, skb->len + skb_tailroom(skb),
 				 DMA_FROM_DEVICE);
 		dev_kfree_skb_any(skb);
@@ -713,25 +775,27 @@ static int __ath10k_pci_rx_post_buf(struct ath10k_pci_pipe *pipe)
 	return 0;
 }
 
-static void __ath10k_pci_rx_post_pipe(struct ath10k_pci_pipe *pipe)
+static void ath10k_pci_rx_post_pipe(struct ath10k_pci_pipe *pipe)
 {
 	struct ath10k *ar = pipe->hif_ce_state;
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	struct ath10k_ce_pipe *ce_pipe = pipe->ce_hdl;
 	int ret, num;
 
-	lockdep_assert_held(&ar_pci->ce_lock);
-
 	if (pipe->buf_sz == 0)
 		return;
 
 	if (!ce_pipe->dest_ring)
 		return;
 
+	spin_lock_bh(&ar_pci->ce_lock);
 	num = __ath10k_ce_rx_num_free_bufs(ce_pipe);
+	spin_unlock_bh(&ar_pci->ce_lock);
 	while (num--) {
 		ret = __ath10k_pci_rx_post_buf(pipe);
 		if (ret) {
+			if (ret == -ENOSPC)
+				break;
 			ath10k_warn(ar, "failed to post pci rx buf: %d\n", ret);
 			mod_timer(&ar_pci->rx_post_retry, jiffies +
 				  ATH10K_PCI_RX_POST_RETRY_MS);
@@ -740,25 +804,13 @@ static void __ath10k_pci_rx_post_pipe(struct ath10k_pci_pipe *pipe)
 	}
 }
 
-static void ath10k_pci_rx_post_pipe(struct ath10k_pci_pipe *pipe)
-{
-	struct ath10k *ar = pipe->hif_ce_state;
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-
-	spin_lock_bh(&ar_pci->ce_lock);
-	__ath10k_pci_rx_post_pipe(pipe);
-	spin_unlock_bh(&ar_pci->ce_lock);
-}
-
 static void ath10k_pci_rx_post(struct ath10k *ar)
 {
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	int i;
 
-	spin_lock_bh(&ar_pci->ce_lock);
 	for (i = 0; i < CE_COUNT; i++)
-		__ath10k_pci_rx_post_pipe(&ar_pci->pipe_info[i]);
-	spin_unlock_bh(&ar_pci->ce_lock);
+		ath10k_pci_rx_post_pipe(&ar_pci->pipe_info[i]);
 }
 
 static void ath10k_pci_rx_replenish_retry(unsigned long ptr)
@@ -1102,11 +1154,9 @@ static int ath10k_pci_diag_write32(struct ath10k *ar, u32 address, u32 value)
 }
 
 /* Called by lower (CE) layer when a send to Target completes. */
-static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state)
+static void ath10k_pci_htc_tx_cb(struct ath10k_ce_pipe *ce_state)
 {
 	struct ath10k *ar = ce_state->ar;
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-	struct ath10k_hif_cb *cb = &ar_pci->msg_callbacks_current;
 	struct sk_buff_head list;
 	struct sk_buff *skb;
 	u32 ce_data;
@@ -1124,16 +1174,16 @@ static void ath10k_pci_ce_send_done(struct ath10k_ce_pipe *ce_state)
 	}
 
 	while ((skb = __skb_dequeue(&list)))
-		cb->tx_completion(ar, skb);
+		ath10k_htc_tx_completion_handler(ar, skb);
 }
 
-/* Called by lower (CE) layer when data is received from the Target. */
-static void ath10k_pci_ce_recv_data(struct ath10k_ce_pipe *ce_state)
+static void ath10k_pci_process_rx_cb(struct ath10k_ce_pipe *ce_state,
+				     void (*callback)(struct ath10k *ar,
+						      struct sk_buff *skb))
 {
 	struct ath10k *ar = ce_state->ar;
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	struct ath10k_pci_pipe *pipe_info =  &ar_pci->pipe_info[ce_state->id];
-	struct ath10k_hif_cb *cb = &ar_pci->msg_callbacks_current;
 	struct sk_buff *skb;
 	struct sk_buff_head list;
 	void *transfer_context;
@@ -1168,12 +1218,56 @@ static void ath10k_pci_ce_recv_data(struct ath10k_ce_pipe *ce_state)
 		ath10k_dbg_dump(ar, ATH10K_DBG_PCI_DUMP, NULL, "pci rx: ",
 				skb->data, skb->len);
 
-		cb->rx_completion(ar, skb);
+		callback(ar, skb);
 	}
 
 	ath10k_pci_rx_post_pipe(pipe_info);
 }
 
+/* Called by lower (CE) layer when data is received from the Target. */
+static void ath10k_pci_htc_rx_cb(struct ath10k_ce_pipe *ce_state)
+{
+	ath10k_pci_process_rx_cb(ce_state, ath10k_htc_rx_completion_handler);
+}
+
+/* Called by lower (CE) layer when a send to HTT Target completes. */
+static void ath10k_pci_htt_tx_cb(struct ath10k_ce_pipe *ce_state)
+{
+	struct ath10k *ar = ce_state->ar;
+	struct sk_buff *skb;
+	u32 ce_data;
+	unsigned int nbytes;
+	unsigned int transfer_id;
+
+	while (ath10k_ce_completed_send_next(ce_state, (void **)&skb, &ce_data,
+					     &nbytes, &transfer_id) == 0) {
+		/* no need to call tx completion for NULL pointers */
+		if (!skb)
+			continue;
+
+		dma_unmap_single(ar->dev, ATH10K_SKB_CB(skb)->paddr,
+				 skb->len, DMA_TO_DEVICE);
+		ath10k_htt_hif_tx_complete(ar, skb);
+	}
+}
+
+static void ath10k_pci_htt_rx_deliver(struct ath10k *ar, struct sk_buff *skb)
+{
+	skb_pull(skb, sizeof(struct ath10k_htc_hdr));
+	ath10k_htt_t2h_msg_handler(ar, skb);
+}
+
+/* Called by lower (CE) layer when HTT data is received from the Target. */
+static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state)
+{
+	/* CE4 polling needs to be done whenever CE pipe which transports
+	 * HTT Rx (target->host) is processed.
+	 */
+	ath10k_ce_per_engine_service(ce_state->ar, 4);
+
+	ath10k_pci_process_rx_cb(ce_state, ath10k_pci_htt_rx_deliver);
+}
+
 static int ath10k_pci_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
 				struct ath10k_hif_sg_item *items, int n_items)
 {
@@ -1343,17 +1437,6 @@ static void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
 	ath10k_ce_per_engine_service(ar, pipe);
 }
 
-static void ath10k_pci_hif_set_callbacks(struct ath10k *ar,
-					 struct ath10k_hif_cb *callbacks)
-{
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
-
-	ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif set callbacks\n");
-
-	memcpy(&ar_pci->msg_callbacks_current, callbacks,
-	       sizeof(ar_pci->msg_callbacks_current));
-}
-
 static void ath10k_pci_kill_tasklet(struct ath10k *ar)
 {
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
@@ -1368,10 +1451,8 @@ static void ath10k_pci_kill_tasklet(struct ath10k *ar)
 	del_timer_sync(&ar_pci->rx_post_retry);
 }
 
-static int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar,
-					      u16 service_id, u8 *ul_pipe,
-					      u8 *dl_pipe, int *ul_is_polled,
-					      int *dl_is_polled)
+static int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar, u16 service_id,
+					      u8 *ul_pipe, u8 *dl_pipe)
 {
 	const struct service_to_pipe *entry;
 	bool ul_set = false, dl_set = false;
@@ -1379,9 +1460,6 @@ static int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar,
 
 	ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif map service\n");
 
-	/* polling for received messages not supported */
-	*dl_is_polled = 0;
-
 	for (i = 0; i < ARRAY_SIZE(target_service_to_ce_map_wlan); i++) {
 		entry = &target_service_to_ce_map_wlan[i];
 
@@ -1415,25 +1493,17 @@ static int ath10k_pci_hif_map_service_to_pipe(struct ath10k *ar,
 	if (WARN_ON(!ul_set || !dl_set))
 		return -ENOENT;
 
-	*ul_is_polled =
-		(host_ce_config_wlan[*ul_pipe].flags & CE_ATTR_DIS_INTR) != 0;
-
 	return 0;
 }
 
 static void ath10k_pci_hif_get_default_pipe(struct ath10k *ar,
 					    u8 *ul_pipe, u8 *dl_pipe)
 {
-	int ul_is_polled, dl_is_polled;
-
 	ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif get default pipe\n");
 
 	(void)ath10k_pci_hif_map_service_to_pipe(ar,
 						 ATH10K_HTC_SVC_ID_RSVD_CTRL,
-						 ul_pipe,
-						 dl_pipe,
-						 &ul_is_polled,
-						 &dl_is_polled);
+						 ul_pipe, dl_pipe);
 }
 
 static void ath10k_pci_irq_msi_fw_mask(struct ath10k *ar)
@@ -1504,6 +1574,7 @@ static void ath10k_pci_irq_enable(struct ath10k *ar)
 static int ath10k_pci_hif_start(struct ath10k *ar)
 {
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif start\n");
 
 	ath10k_pci_irq_enable(ar);
@@ -1579,7 +1650,7 @@ static void ath10k_pci_tx_pipe_cleanup(struct ath10k_pci_pipe *pci_pipe)
 
 		ce_ring->per_transfer_context[i] = NULL;
 
-		ar_pci->msg_callbacks_current.tx_completion(ar, skb);
+		ath10k_htc_tx_completion_handler(ar, skb);
 	}
 }
 
@@ -1999,9 +2070,7 @@ static int ath10k_pci_alloc_pipes(struct ath10k *ar)
 		pipe->pipe_num = i;
 		pipe->hif_ce_state = ar;
 
-		ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i],
-					   ath10k_pci_ce_send_done,
-					   ath10k_pci_ce_recv_data);
+		ret = ath10k_ce_alloc_pipe(ar, i, &host_ce_config_wlan[i]);
 		if (ret) {
 			ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n",
 				   i, ret);
@@ -2257,7 +2326,7 @@ static int ath10k_pci_qca6174_chip_reset(struct ath10k *ar)
 	ret = ath10k_pci_wait_for_target_init(ar);
 	if (ret) {
 		ath10k_warn(ar, "failed to wait for target after cold reset: %d\n",
-				ret);
+			    ret);
 		return ret;
 	}
 
@@ -2397,6 +2466,15 @@ static int ath10k_pci_hif_resume(struct ath10k *ar)
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	struct pci_dev *pdev = ar_pci->pdev;
 	u32 val;
+	int ret = 0;
+
+	if (ar_pci->pci_ps == 0) {
+		ret = ath10k_pci_force_wake(ar);
+		if (ret) {
+			ath10k_err(ar, "failed to wake up target: %d\n", ret);
+			return ret;
+		}
+	}
 
 	/* Suspend/Resume resets the PCI configuration space, so we have to
 	 * re-disable the RETRY_TIMEOUT register (0x41) to keep PCI Tx retries
@@ -2407,7 +2485,7 @@ static int ath10k_pci_hif_resume(struct ath10k *ar)
 	if ((val & 0x0000ff00) != 0)
 		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 
-	return 0;
+	return ret;
 }
 #endif
 
@@ -2421,7 +2499,6 @@ static const struct ath10k_hif_ops ath10k_pci_hif_ops = {
 	.map_service_to_pipe	= ath10k_pci_hif_map_service_to_pipe,
 	.get_default_pipe	= ath10k_pci_hif_get_default_pipe,
 	.send_complete_check	= ath10k_pci_hif_send_complete_check,
-	.set_callbacks		= ath10k_pci_hif_set_callbacks,
 	.get_free_queue_number	= ath10k_pci_hif_get_free_queue_number,
 	.power_up		= ath10k_pci_hif_power_up,
 	.power_down		= ath10k_pci_hif_power_down,
@@ -2501,6 +2578,16 @@ static irqreturn_t ath10k_pci_interrupt_handler(int irq, void *arg)
 {
 	struct ath10k *ar = arg;
 	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+	int ret;
+
+	if (ar_pci->pci_ps == 0) {
+		ret = ath10k_pci_force_wake(ar);
+		if (ret) {
+			ath10k_warn(ar, "failed to wake device up on irq: %d\n",
+				    ret);
+			return IRQ_NONE;
+		}
+	}
 
 	if (ar_pci->num_msi_intrs == 0) {
 		if (!ath10k_pci_irq_pending(ar))
@@ -2900,17 +2987,21 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 	struct ath10k_pci *ar_pci;
 	enum ath10k_hw_rev hw_rev;
 	u32 chip_id;
+	bool pci_ps;
 
 	switch (pci_dev->device) {
 	case QCA988X_2_0_DEVICE_ID:
 		hw_rev = ATH10K_HW_QCA988X;
+		pci_ps = false;
 		break;
 	case QCA6164_2_1_DEVICE_ID:
 	case QCA6174_2_1_DEVICE_ID:
 		hw_rev = ATH10K_HW_QCA6174;
+		pci_ps = true;
 		break;
 	case QCA99X0_2_0_DEVICE_ID:
 		hw_rev = ATH10K_HW_QCA99X0;
+		pci_ps = false;
 		break;
 	default:
 		WARN_ON(1);
@@ -2924,19 +3015,21 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 		return -ENOMEM;
 	}
 
-	ath10k_dbg(ar, ATH10K_DBG_PCI, "pci probe\n");
+	ath10k_dbg(ar, ATH10K_DBG_BOOT, "pci probe %04x:%04x %04x:%04x\n",
+		   pdev->vendor, pdev->device,
+		   pdev->subsystem_vendor, pdev->subsystem_device);
 
 	ar_pci = ath10k_pci_priv(ar);
 	ar_pci->pdev = pdev;
 	ar_pci->dev = &pdev->dev;
 	ar_pci->ar = ar;
 	ar->dev_id = pci_dev->device;
+	ar_pci->pci_ps = pci_ps;
 
-	if (pdev->subsystem_vendor || pdev->subsystem_device)
-		scnprintf(ar->spec_board_id, sizeof(ar->spec_board_id),
-			  "%04x:%04x:%04x:%04x",
-			  pdev->vendor, pdev->device,
-			  pdev->subsystem_vendor, pdev->subsystem_device);
+	ar->id.vendor = pdev->vendor;
+	ar->id.device = pdev->device;
+	ar->id.subsystem_vendor = pdev->subsystem_vendor;
+	ar->id.subsystem_device = pdev->subsystem_device;
 
 	spin_lock_init(&ar_pci->ce_lock);
 	spin_lock_init(&ar_pci->ps_lock);
@@ -2962,6 +3055,14 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 	ath10k_pci_ce_deinit(ar);
 	ath10k_pci_irq_disable(ar);
 
+	if (ar_pci->pci_ps == 0) {
+		ret = ath10k_pci_force_wake(ar);
+		if (ret) {
+			ath10k_warn(ar, "failed to wake up device : %d\n", ret);
+			goto err_free_pipes;
+		}
+	}
+
 	ret = ath10k_pci_init_irq(ar);
 	if (ret) {
 		ath10k_err(ar, "failed to init irqs: %d\n", ret);
@@ -3090,13 +3191,16 @@ MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API3_FILE);
 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API4_FILE);
 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_FW_API5_FILE);
 MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" QCA988X_HW_2_0_BOARD_DATA_FILE);
+MODULE_FIRMWARE(QCA988X_HW_2_0_FW_DIR "/" ATH10K_BOARD_API2_FILE);
 
 /* QCA6174 2.1 firmware files */
 MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_FW_API4_FILE);
 MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_FW_API5_FILE);
 MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" QCA6174_HW_2_1_BOARD_DATA_FILE);
+MODULE_FIRMWARE(QCA6174_HW_2_1_FW_DIR "/" ATH10K_BOARD_API2_FILE);
 
 /* QCA6174 3.1 firmware files */
 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_FW_API4_FILE);
 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_FW_API5_FILE);
 MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" QCA6174_HW_3_0_BOARD_DATA_FILE);
+MODULE_FIRMWARE(QCA6174_HW_3_0_FW_DIR "/" ATH10K_BOARD_API2_FILE);

drivers/net/wireless/ath/ath10k/pci.h

@@ -175,8 +175,6 @@ struct ath10k_pci {
 
 	struct ath10k_pci_pipe pipe_info[CE_COUNT_MAX];
 
-	struct ath10k_hif_cb msg_callbacks_current;
-
 	/* Copy Engine used for Diagnostic Accesses */
 	struct ath10k_ce_pipe *ce_diag;
 
@@ -221,6 +219,12 @@ struct ath10k_pci {
 	 * powersave register state changes.
 	 */
 	bool ps_awake;
+
+	/* pci power save, disable for QCA988X and QCA99X0.
+	 * Writing 'false' to this variable avoids frequent locking
+	 * on MMIO read/write.
+	 */
+	bool pci_ps;
 };
 
 static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
@@ -230,7 +234,8 @@ static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
 
 #define ATH10K_PCI_RX_POST_RETRY_MS 50
 #define ATH_PCI_RESET_WAIT_MAX 10 /* ms */
-#define PCIE_WAKE_TIMEOUT 10000	/* 10ms */
+#define PCIE_WAKE_TIMEOUT 30000	/* 30ms */
+#define PCIE_WAKE_LATE_US 10000	/* 10ms */
 
 #define BAR_NUM 0
 

drivers/net/wireless/ath/ath10k/thermal.c

@@ -215,6 +215,6 @@ err_cooling_destroy:
 
 void ath10k_thermal_unregister(struct ath10k *ar)
 {
-	thermal_cooling_device_unregister(ar->thermal.cdev);
 	sysfs_remove_link(&ar->dev->kobj, "cooling_device");
+	thermal_cooling_device_unregister(ar->thermal.cdev);
 }

drivers/net/wireless/ath/ath10k/txrx.c

@@ -92,11 +92,6 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
 	skb_cb = ATH10K_SKB_CB(msdu);
 	dma_unmap_single(dev, skb_cb->paddr, msdu->len, DMA_TO_DEVICE);
 
-	if (skb_cb->htt.txbuf)
-		dma_pool_free(htt->tx_pool,
-			      skb_cb->htt.txbuf,
-			      skb_cb->htt.txbuf_paddr);
-
 	ath10k_report_offchan_tx(htt->ar, msdu);
 
 	info = IEEE80211_SKB_CB(msdu);

drivers/net/wireless/ath/ath10k/wmi-ops.h

@@ -177,6 +177,11 @@ struct wmi_ops {
 						const struct wmi_tdls_peer_capab_arg *cap,
 						const struct wmi_channel_arg *chan);
 	struct sk_buff *(*gen_adaptive_qcs)(struct ath10k *ar, bool enable);
+	struct sk_buff *(*gen_pdev_get_tpc_config)(struct ath10k *ar,
+						   u32 param);
+	void (*fw_stats_fill)(struct ath10k *ar,
+			      struct ath10k_fw_stats *fw_stats,
+			      char *buf);
 };
 
 int ath10k_wmi_cmd_send(struct ath10k *ar, struct sk_buff *skb, u32 cmd_id);
@@ -1270,4 +1275,31 @@ ath10k_wmi_adaptive_qcs(struct ath10k *ar, bool enable)
 	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->adaptive_qcs_cmdid);
 }
 
+static inline int
+ath10k_wmi_pdev_get_tpc_config(struct ath10k *ar, u32 param)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_pdev_get_tpc_config)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_pdev_get_tpc_config(ar, param);
+
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb,
+				   ar->wmi.cmd->pdev_get_tpc_config_cmdid);
+}
+
+static inline int
+ath10k_wmi_fw_stats_fill(struct ath10k *ar, struct ath10k_fw_stats *fw_stats,
+			 char *buf)
+{
+	if (!ar->wmi.ops->fw_stats_fill)
+		return -EOPNOTSUPP;
+
+	ar->wmi.ops->fw_stats_fill(ar, fw_stats, buf);
+	return 0;
+}
 #endif

drivers/net/wireless/ath/ath10k/wmi-tlv.c

@@ -3468,6 +3468,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	.gen_update_fw_tdls_state = ath10k_wmi_tlv_op_gen_update_fw_tdls_state,
 	.gen_tdls_peer_update = ath10k_wmi_tlv_op_gen_tdls_peer_update,
 	.gen_adaptive_qcs = ath10k_wmi_tlv_op_gen_adaptive_qcs,
+	.fw_stats_fill = ath10k_wmi_main_op_fw_stats_fill,
 };
 
 /************/

drivers/net/wireless/ath/ath10k/wmi.c

@@ -3018,8 +3018,6 @@ static void ath10k_wmi_update_noa(struct ath10k *ar, struct ath10k_vif *arvif,
 			memcpy(skb_put(bcn, arvif->u.ap.noa_len),
 			       arvif->u.ap.noa_data,
 			       arvif->u.ap.noa_len);
-
-	return;
 }
 
 static int ath10k_wmi_op_pull_swba_ev(struct ath10k *ar, struct sk_buff *skb,
@@ -3507,7 +3505,7 @@ void ath10k_wmi_event_spectral_scan(struct ath10k *ar,
 							  tsf);
 			if (res < 0) {
 				ath10k_dbg(ar, ATH10K_DBG_WMI, "failed to process fft report: %d\n",
-					    res);
+					   res);
 				return;
 			}
 			break;
@@ -3835,9 +3833,258 @@ void ath10k_wmi_event_dcs_interference(struct ath10k *ar, struct sk_buff *skb)
 	ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_DCS_INTERFERENCE_EVENTID\n");
 }
 
+static u8 ath10k_tpc_config_get_rate(struct ath10k *ar,
+				     struct wmi_pdev_tpc_config_event *ev,
+				     u32 rate_idx, u32 num_chains,
+				     u32 rate_code, u8 type)
+{
+	u8 tpc, num_streams, preamble, ch, stm_idx;
+
+	num_streams = ATH10K_HW_NSS(rate_code);
+	preamble = ATH10K_HW_PREAMBLE(rate_code);
+	ch = num_chains - 1;
+
+	tpc = min_t(u8, ev->rates_array[rate_idx], ev->max_reg_allow_pow[ch]);
+
+	if (__le32_to_cpu(ev->num_tx_chain) <= 1)
+		goto out;
+
+	if (preamble == WMI_RATE_PREAMBLE_CCK)
+		goto out;
+
+	stm_idx = num_streams - 1;
+	if (num_chains <= num_streams)
+		goto out;
+
+	switch (type) {
+	case WMI_TPC_TABLE_TYPE_STBC:
+		tpc = min_t(u8, tpc,
+			    ev->max_reg_allow_pow_agstbc[ch - 1][stm_idx]);
+		break;
+	case WMI_TPC_TABLE_TYPE_TXBF:
+		tpc = min_t(u8, tpc,
+			    ev->max_reg_allow_pow_agtxbf[ch - 1][stm_idx]);
+		break;
+	case WMI_TPC_TABLE_TYPE_CDD:
+		tpc = min_t(u8, tpc,
+			    ev->max_reg_allow_pow_agcdd[ch - 1][stm_idx]);
+		break;
+	default:
+		ath10k_warn(ar, "unknown wmi tpc table type: %d\n", type);
+		tpc = 0;
+		break;
+	}
+
+out:
+	return tpc;
+}
+
+static void ath10k_tpc_config_disp_tables(struct ath10k *ar,
+					  struct wmi_pdev_tpc_config_event *ev,
+					  struct ath10k_tpc_stats *tpc_stats,
+					  u8 *rate_code, u16 *pream_table, u8 type)
+{
+	u32 i, j, pream_idx, flags;
+	u8 tpc[WMI_TPC_TX_N_CHAIN];
+	char tpc_value[WMI_TPC_TX_N_CHAIN * WMI_TPC_BUF_SIZE];
+	char buff[WMI_TPC_BUF_SIZE];
+
+	flags = __le32_to_cpu(ev->flags);
+
+	switch (type) {
+	case WMI_TPC_TABLE_TYPE_CDD:
+		if (!(flags & WMI_TPC_CONFIG_EVENT_FLAG_TABLE_CDD)) {
+			ath10k_dbg(ar, ATH10K_DBG_WMI, "CDD not supported\n");
+			tpc_stats->flag[type] = ATH10K_TPC_TABLE_TYPE_FLAG;
+			return;
+		}
+		break;
+	case WMI_TPC_TABLE_TYPE_STBC:
+		if (!(flags & WMI_TPC_CONFIG_EVENT_FLAG_TABLE_STBC)) {
+			ath10k_dbg(ar, ATH10K_DBG_WMI, "STBC not supported\n");
+			tpc_stats->flag[type] = ATH10K_TPC_TABLE_TYPE_FLAG;
+			return;
+		}
+		break;
+	case WMI_TPC_TABLE_TYPE_TXBF:
+		if (!(flags & WMI_TPC_CONFIG_EVENT_FLAG_TABLE_TXBF)) {
+			ath10k_dbg(ar, ATH10K_DBG_WMI, "TXBF not supported\n");
+			tpc_stats->flag[type] = ATH10K_TPC_TABLE_TYPE_FLAG;
+			return;
+		}
+		break;
+	default:
+		ath10k_dbg(ar, ATH10K_DBG_WMI,
+			   "invalid table type in wmi tpc event: %d\n", type);
+		return;
+	}
+
+	pream_idx = 0;
+	for (i = 0; i < __le32_to_cpu(ev->rate_max); i++) {
+		memset(tpc_value, 0, sizeof(tpc_value));
+		memset(buff, 0, sizeof(buff));
+		if (i == pream_table[pream_idx])
+			pream_idx++;
+
+		for (j = 0; j < WMI_TPC_TX_N_CHAIN; j++) {
+			if (j >= __le32_to_cpu(ev->num_tx_chain))
+				break;
+
+			tpc[j] = ath10k_tpc_config_get_rate(ar, ev, i, j + 1,
+							    rate_code[i],
+							    type);
+			snprintf(buff, sizeof(buff), "%8d ", tpc[j]);
+			strncat(tpc_value, buff, strlen(buff));
+		}
+		tpc_stats->tpc_table[type].pream_idx[i] = pream_idx;
+		tpc_stats->tpc_table[type].rate_code[i] = rate_code[i];
+		memcpy(tpc_stats->tpc_table[type].tpc_value[i],
+		       tpc_value, sizeof(tpc_value));
+	}
+}
+
 void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb)
 {
-	ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_PDEV_TPC_CONFIG_EVENTID\n");
+	u32 i, j, pream_idx, num_tx_chain;
+	u8 rate_code[WMI_TPC_RATE_MAX], rate_idx;
+	u16 pream_table[WMI_TPC_PREAM_TABLE_MAX];
+	struct wmi_pdev_tpc_config_event *ev;
+	struct ath10k_tpc_stats *tpc_stats;
+
+	ev = (struct wmi_pdev_tpc_config_event *)skb->data;
+
+	tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC);
+	if (!tpc_stats)
+		return;
+
+	/* Create the rate code table based on the chains supported */
+	rate_idx = 0;
+	pream_idx = 0;
+
+	/* Fill CCK rate code */
+	for (i = 0; i < 4; i++) {
+		rate_code[rate_idx] =
+			ATH10K_HW_RATECODE(i, 0, WMI_RATE_PREAMBLE_CCK);
+		rate_idx++;
+	}
+	pream_table[pream_idx] = rate_idx;
+	pream_idx++;
+
+	/* Fill OFDM rate code */
+	for (i = 0; i < 8; i++) {
+		rate_code[rate_idx] =
+			ATH10K_HW_RATECODE(i, 0, WMI_RATE_PREAMBLE_OFDM);
+		rate_idx++;
+	}
+	pream_table[pream_idx] = rate_idx;
+	pream_idx++;
+
+	num_tx_chain = __le32_to_cpu(ev->num_tx_chain);
+
+	/* Fill HT20 rate code */
+	for (i = 0; i < num_tx_chain; i++) {
+		for (j = 0; j < 8; j++) {
+			rate_code[rate_idx] =
+			ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_HT);
+			rate_idx++;
+		}
+	}
+	pream_table[pream_idx] = rate_idx;
+	pream_idx++;
+
+	/* Fill HT40 rate code */
+	for (i = 0; i < num_tx_chain; i++) {
+		for (j = 0; j < 8; j++) {
+			rate_code[rate_idx] =
+			ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_HT);
+			rate_idx++;
+		}
+	}
+	pream_table[pream_idx] = rate_idx;
+	pream_idx++;
+
+	/* Fill VHT20 rate code */
+	for (i = 0; i < __le32_to_cpu(ev->num_tx_chain); i++) {
+		for (j = 0; j < 10; j++) {
+			rate_code[rate_idx] =
+			ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_VHT);
+			rate_idx++;
+		}
+	}
+	pream_table[pream_idx] = rate_idx;
+	pream_idx++;
+
+	/* Fill VHT40 rate code */
+	for (i = 0; i < num_tx_chain; i++) {
+		for (j = 0; j < 10; j++) {
+			rate_code[rate_idx] =
+			ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_VHT);
+			rate_idx++;
+		}
+	}
+	pream_table[pream_idx] = rate_idx;
+	pream_idx++;
+
+	/* Fill VHT80 rate code */
+	for (i = 0; i < num_tx_chain; i++) {
+		for (j = 0; j < 10; j++) {
+			rate_code[rate_idx] =
+			ATH10K_HW_RATECODE(j, i, WMI_RATE_PREAMBLE_VHT);
+			rate_idx++;
+		}
+	}
+	pream_table[pream_idx] = rate_idx;
+	pream_idx++;
+
+	rate_code[rate_idx++] =
+		ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_CCK);
+	rate_code[rate_idx++] =
+		ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_OFDM);
+	rate_code[rate_idx++] =
+		ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_CCK);
+	rate_code[rate_idx++] =
+		ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_OFDM);
+	rate_code[rate_idx++] =
+		ATH10K_HW_RATECODE(0, 0, WMI_RATE_PREAMBLE_OFDM);
+
+	pream_table[pream_idx] = ATH10K_TPC_PREAM_TABLE_END;
+
+	tpc_stats->chan_freq = __le32_to_cpu(ev->chan_freq);
+	tpc_stats->phy_mode = __le32_to_cpu(ev->phy_mode);
+	tpc_stats->ctl = __le32_to_cpu(ev->ctl);
+	tpc_stats->reg_domain = __le32_to_cpu(ev->reg_domain);
+	tpc_stats->twice_antenna_gain = a_sle32_to_cpu(ev->twice_antenna_gain);
+	tpc_stats->twice_antenna_reduction =
+		__le32_to_cpu(ev->twice_antenna_reduction);
+	tpc_stats->power_limit = __le32_to_cpu(ev->power_limit);
+	tpc_stats->twice_max_rd_power = __le32_to_cpu(ev->twice_max_rd_power);
+	tpc_stats->num_tx_chain = __le32_to_cpu(ev->num_tx_chain);
+	tpc_stats->rate_max = __le32_to_cpu(ev->rate_max);
+
+	ath10k_tpc_config_disp_tables(ar, ev, tpc_stats,
+				      rate_code, pream_table,
+				      WMI_TPC_TABLE_TYPE_CDD);
+	ath10k_tpc_config_disp_tables(ar, ev,  tpc_stats,
+				      rate_code, pream_table,
+				      WMI_TPC_TABLE_TYPE_STBC);
+	ath10k_tpc_config_disp_tables(ar, ev, tpc_stats,
+				      rate_code, pream_table,
+				      WMI_TPC_TABLE_TYPE_TXBF);
+
+	ath10k_debug_tpc_stats_process(ar, tpc_stats);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi event tpc config channel %d mode %d ctl %d regd %d gain %d %d limit %d max_power %d tx_chanins %d rates %d\n",
+		   __le32_to_cpu(ev->chan_freq),
+		   __le32_to_cpu(ev->phy_mode),
+		   __le32_to_cpu(ev->ctl),
+		   __le32_to_cpu(ev->reg_domain),
+		   a_sle32_to_cpu(ev->twice_antenna_gain),
+		   __le32_to_cpu(ev->twice_antenna_reduction),
+		   __le32_to_cpu(ev->power_limit),
+		   __le32_to_cpu(ev->twice_max_rd_power) / 2,
+		   __le32_to_cpu(ev->num_tx_chain),
+		   __le32_to_cpu(ev->rate_max));
 }
 
 void ath10k_wmi_event_pdev_ftm_intg(struct ath10k *ar, struct sk_buff *skb)
@@ -5090,7 +5337,7 @@ static struct sk_buff *ath10k_wmi_10_4_op_gen_init(struct ath10k *ar)
 	config.rx_timeout_pri[2] = __cpu_to_le32(TARGET_10_4_RX_TIMEOUT_LO_PRI);
 	config.rx_timeout_pri[3] = __cpu_to_le32(TARGET_10_4_RX_TIMEOUT_HI_PRI);
 
-	config.rx_decap_mode	    = __cpu_to_le32(TARGET_10_4_RX_DECAP_MODE);
+	config.rx_decap_mode	    = __cpu_to_le32(ar->wmi.rx_decap_mode);
 	config.scan_max_pending_req = __cpu_to_le32(TARGET_10_4_SCAN_MAX_REQS);
 	config.bmiss_offload_max_vdev =
 			__cpu_to_le32(TARGET_10_4_BMISS_OFFLOAD_MAX_VDEV);
@@ -6356,6 +6603,399 @@ ath10k_wmi_op_gen_delba_send(struct ath10k *ar, u32 vdev_id, const u8 *mac,
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_10_2_4_op_gen_pdev_get_tpc_config(struct ath10k *ar, u32 param)
+{
+	struct wmi_pdev_get_tpc_config_cmd *cmd;
+	struct sk_buff *skb;
+
+	skb = ath10k_wmi_alloc_skb(ar, sizeof(*cmd));
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	cmd = (struct wmi_pdev_get_tpc_config_cmd *)skb->data;
+	cmd->param = __cpu_to_le32(param);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi pdev get tcp config param:%d\n", param);
+	return skb;
+}
+
+size_t ath10k_wmi_fw_stats_num_peers(struct list_head *head)
+{
+	struct ath10k_fw_stats_peer *i;
+	size_t num = 0;
+
+	list_for_each_entry(i, head, list)
+		++num;
+
+	return num;
+}
+
+size_t ath10k_wmi_fw_stats_num_vdevs(struct list_head *head)
+{
+	struct ath10k_fw_stats_vdev *i;
+	size_t num = 0;
+
+	list_for_each_entry(i, head, list)
+		++num;
+
+	return num;
+}
+
+static void
+ath10k_wmi_fw_pdev_base_stats_fill(const struct ath10k_fw_stats_pdev *pdev,
+				   char *buf, u32 *length)
+{
+	u32 len = *length;
+	u32 buf_len = ATH10K_FW_STATS_BUF_SIZE;
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	len += scnprintf(buf + len, buf_len - len, "%30s\n",
+			"ath10k PDEV stats");
+	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+			"=================");
+
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			"Channel noise floor", pdev->ch_noise_floor);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"Channel TX power", pdev->chan_tx_power);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"TX frame count", pdev->tx_frame_count);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"RX frame count", pdev->rx_frame_count);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"RX clear count", pdev->rx_clear_count);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"Cycle count", pdev->cycle_count);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"PHY error count", pdev->phy_err_count);
+
+	*length = len;
+}
+
+static void
+ath10k_wmi_fw_pdev_extra_stats_fill(const struct ath10k_fw_stats_pdev *pdev,
+				    char *buf, u32 *length)
+{
+	u32 len = *length;
+	u32 buf_len = ATH10K_FW_STATS_BUF_SIZE;
+
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"RTS bad count", pdev->rts_bad);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"RTS good count", pdev->rts_good);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"FCS bad count", pdev->fcs_bad);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"No beacon count", pdev->no_beacons);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10u\n",
+			"MIB int count", pdev->mib_int_count);
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	*length = len;
+}
+
+static void
+ath10k_wmi_fw_pdev_tx_stats_fill(const struct ath10k_fw_stats_pdev *pdev,
+				 char *buf, u32 *length)
+{
+	u32 len = *length;
+	u32 buf_len = ATH10K_FW_STATS_BUF_SIZE;
+
+	len += scnprintf(buf + len, buf_len - len, "\n%30s\n",
+			 "ath10k PDEV TX stats");
+	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+				 "=================");
+
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "HTT cookies queued", pdev->comp_queued);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "HTT cookies disp.", pdev->comp_delivered);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MSDU queued", pdev->msdu_enqued);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MPDU queued", pdev->mpdu_enqued);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MSDUs dropped", pdev->wmm_drop);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Local enqued", pdev->local_enqued);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Local freed", pdev->local_freed);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "HW queued", pdev->hw_queued);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "PPDUs reaped", pdev->hw_reaped);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Num underruns", pdev->underrun);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "PPDUs cleaned", pdev->tx_abort);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MPDUs requed", pdev->mpdus_requed);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Excessive retries", pdev->tx_ko);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "HW rate", pdev->data_rc);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Sched self tiggers", pdev->self_triggers);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Dropped due to SW retries",
+			 pdev->sw_retry_failure);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Illegal rate phy errors",
+			 pdev->illgl_rate_phy_err);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Pdev continuous xretry", pdev->pdev_cont_xretry);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "TX timeout", pdev->pdev_tx_timeout);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "PDEV resets", pdev->pdev_resets);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "PHY underrun", pdev->phy_underrun);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MPDU is more than txop limit", pdev->txop_ovf);
+	*length = len;
+}
+
+static void
+ath10k_wmi_fw_pdev_rx_stats_fill(const struct ath10k_fw_stats_pdev *pdev,
+				 char *buf, u32 *length)
+{
+	u32 len = *length;
+	u32 buf_len = ATH10K_FW_STATS_BUF_SIZE;
+
+	len += scnprintf(buf + len, buf_len - len, "\n%30s\n",
+			 "ath10k PDEV RX stats");
+	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+				 "=================");
+
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Mid PPDU route change",
+			 pdev->mid_ppdu_route_change);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Tot. number of statuses", pdev->status_rcvd);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Extra frags on rings 0", pdev->r0_frags);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Extra frags on rings 1", pdev->r1_frags);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Extra frags on rings 2", pdev->r2_frags);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Extra frags on rings 3", pdev->r3_frags);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MSDUs delivered to HTT", pdev->htt_msdus);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MPDUs delivered to HTT", pdev->htt_mpdus);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MSDUs delivered to stack", pdev->loc_msdus);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MPDUs delivered to stack", pdev->loc_mpdus);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "Oversized AMSUs", pdev->oversize_amsdu);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "PHY errors", pdev->phy_errs);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "PHY errors drops", pdev->phy_err_drop);
+	len += scnprintf(buf + len, buf_len - len, "%30s %10d\n",
+			 "MPDU errors (FCS, MIC, ENC)", pdev->mpdu_errs);
+	*length = len;
+}
+
+static void
+ath10k_wmi_fw_vdev_stats_fill(const struct ath10k_fw_stats_vdev *vdev,
+			      char *buf, u32 *length)
+{
+	u32 len = *length;
+	u32 buf_len = ATH10K_FW_STATS_BUF_SIZE;
+	int i;
+
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"vdev id", vdev->vdev_id);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"beacon snr", vdev->beacon_snr);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"data snr", vdev->data_snr);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"num rx frames", vdev->num_rx_frames);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"num rts fail", vdev->num_rts_fail);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"num rts success", vdev->num_rts_success);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"num rx err", vdev->num_rx_err);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"num rx discard", vdev->num_rx_discard);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"num tx not acked", vdev->num_tx_not_acked);
+
+	for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames); i++)
+		len += scnprintf(buf + len, buf_len - len,
+				"%25s [%02d] %u\n",
+				"num tx frames", i,
+				vdev->num_tx_frames[i]);
+
+	for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_retries); i++)
+		len += scnprintf(buf + len, buf_len - len,
+				"%25s [%02d] %u\n",
+				"num tx frames retries", i,
+				vdev->num_tx_frames_retries[i]);
+
+	for (i = 0 ; i < ARRAY_SIZE(vdev->num_tx_frames_failures); i++)
+		len += scnprintf(buf + len, buf_len - len,
+				"%25s [%02d] %u\n",
+				"num tx frames failures", i,
+				vdev->num_tx_frames_failures[i]);
+
+	for (i = 0 ; i < ARRAY_SIZE(vdev->tx_rate_history); i++)
+		len += scnprintf(buf + len, buf_len - len,
+				"%25s [%02d] 0x%08x\n",
+				"tx rate history", i,
+				vdev->tx_rate_history[i]);
+
+	for (i = 0 ; i < ARRAY_SIZE(vdev->beacon_rssi_history); i++)
+		len += scnprintf(buf + len, buf_len - len,
+				"%25s [%02d] %u\n",
+				"beacon rssi history", i,
+				vdev->beacon_rssi_history[i]);
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	*length = len;
+}
+
+static void
+ath10k_wmi_fw_peer_stats_fill(const struct ath10k_fw_stats_peer *peer,
+			      char *buf, u32 *length)
+{
+	u32 len = *length;
+	u32 buf_len = ATH10K_FW_STATS_BUF_SIZE;
+
+	len += scnprintf(buf + len, buf_len - len, "%30s %pM\n",
+			"Peer MAC address", peer->peer_macaddr);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"Peer RSSI", peer->peer_rssi);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"Peer TX rate", peer->peer_tx_rate);
+	len += scnprintf(buf + len, buf_len - len, "%30s %u\n",
+			"Peer RX rate", peer->peer_rx_rate);
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	*length = len;
+}
+
+void ath10k_wmi_main_op_fw_stats_fill(struct ath10k *ar,
+				      struct ath10k_fw_stats *fw_stats,
+				      char *buf)
+{
+	u32 len = 0;
+	u32 buf_len = ATH10K_FW_STATS_BUF_SIZE;
+	const struct ath10k_fw_stats_pdev *pdev;
+	const struct ath10k_fw_stats_vdev *vdev;
+	const struct ath10k_fw_stats_peer *peer;
+	size_t num_peers;
+	size_t num_vdevs;
+
+	spin_lock_bh(&ar->data_lock);
+
+	pdev = list_first_entry_or_null(&fw_stats->pdevs,
+					struct ath10k_fw_stats_pdev, list);
+	if (!pdev) {
+		ath10k_warn(ar, "failed to get pdev stats\n");
+		goto unlock;
+	}
+
+	num_peers = ath10k_wmi_fw_stats_num_peers(&fw_stats->peers);
+	num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&fw_stats->vdevs);
+
+	ath10k_wmi_fw_pdev_base_stats_fill(pdev, buf, &len);
+	ath10k_wmi_fw_pdev_tx_stats_fill(pdev, buf, &len);
+	ath10k_wmi_fw_pdev_rx_stats_fill(pdev, buf, &len);
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
+			 "ath10k VDEV stats", num_vdevs);
+	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+				 "=================");
+
+	list_for_each_entry(vdev, &fw_stats->vdevs, list) {
+		ath10k_wmi_fw_vdev_stats_fill(vdev, buf, &len);
+	}
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
+			 "ath10k PEER stats", num_peers);
+	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+				 "=================");
+
+	list_for_each_entry(peer, &fw_stats->peers, list) {
+		ath10k_wmi_fw_peer_stats_fill(peer, buf, &len);
+	}
+
+unlock:
+	spin_unlock_bh(&ar->data_lock);
+
+	if (len >= buf_len)
+		buf[len - 1] = 0;
+	else
+		buf[len] = 0;
+}
+
+void ath10k_wmi_10x_op_fw_stats_fill(struct ath10k *ar,
+				     struct ath10k_fw_stats *fw_stats,
+				     char *buf)
+{
+	unsigned int len = 0;
+	unsigned int buf_len = ATH10K_FW_STATS_BUF_SIZE;
+	const struct ath10k_fw_stats_pdev *pdev;
+	const struct ath10k_fw_stats_vdev *vdev;
+	const struct ath10k_fw_stats_peer *peer;
+	size_t num_peers;
+	size_t num_vdevs;
+
+	spin_lock_bh(&ar->data_lock);
+
+	pdev = list_first_entry_or_null(&fw_stats->pdevs,
+					struct ath10k_fw_stats_pdev, list);
+	if (!pdev) {
+		ath10k_warn(ar, "failed to get pdev stats\n");
+		goto unlock;
+	}
+
+	num_peers = ath10k_wmi_fw_stats_num_peers(&fw_stats->peers);
+	num_vdevs = ath10k_wmi_fw_stats_num_vdevs(&fw_stats->vdevs);
+
+	ath10k_wmi_fw_pdev_base_stats_fill(pdev, buf, &len);
+	ath10k_wmi_fw_pdev_extra_stats_fill(pdev, buf, &len);
+	ath10k_wmi_fw_pdev_tx_stats_fill(pdev, buf, &len);
+	ath10k_wmi_fw_pdev_rx_stats_fill(pdev, buf, &len);
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
+			 "ath10k VDEV stats", num_vdevs);
+	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+				 "=================");
+
+	list_for_each_entry(vdev, &fw_stats->vdevs, list) {
+		ath10k_wmi_fw_vdev_stats_fill(vdev, buf, &len);
+	}
+
+	len += scnprintf(buf + len, buf_len - len, "\n");
+	len += scnprintf(buf + len, buf_len - len, "%30s (%zu)\n",
+			 "ath10k PEER stats", num_peers);
+	len += scnprintf(buf + len, buf_len - len, "%30s\n\n",
+				 "=================");
+
+	list_for_each_entry(peer, &fw_stats->peers, list) {
+		ath10k_wmi_fw_peer_stats_fill(peer, buf, &len);
+	}
+
+unlock:
+	spin_unlock_bh(&ar->data_lock);
+
+	if (len >= buf_len)
+		buf[len - 1] = 0;
+	else
+		buf[len] = 0;
+}
+
 static const struct wmi_ops wmi_ops = {
 	.rx = ath10k_wmi_op_rx,
 	.map_svc = wmi_main_svc_map,
@@ -6414,6 +7054,7 @@ static const struct wmi_ops wmi_ops = {
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
+	.fw_stats_fill = ath10k_wmi_main_op_fw_stats_fill,
 	/* .gen_bcn_tmpl not implemented */
 	/* .gen_prb_tmpl not implemented */
 	/* .gen_p2p_go_bcn_ie not implemented */
@@ -6479,6 +7120,7 @@ static const struct wmi_ops wmi_10_1_ops = {
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
+	.fw_stats_fill = ath10k_wmi_10x_op_fw_stats_fill,
 	/* .gen_bcn_tmpl not implemented */
 	/* .gen_prb_tmpl not implemented */
 	/* .gen_p2p_go_bcn_ie not implemented */
@@ -6545,6 +7187,7 @@ static const struct wmi_ops wmi_10_2_ops = {
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
+	.fw_stats_fill = ath10k_wmi_10x_op_fw_stats_fill,
 };
 
 static const struct wmi_ops wmi_10_2_4_ops = {
@@ -6606,6 +7249,8 @@ static const struct wmi_ops wmi_10_2_4_ops = {
 	.gen_addba_send = ath10k_wmi_op_gen_addba_send,
 	.gen_addba_set_resp = ath10k_wmi_op_gen_addba_set_resp,
 	.gen_delba_send = ath10k_wmi_op_gen_delba_send,
+	.gen_pdev_get_tpc_config = ath10k_wmi_10_2_4_op_gen_pdev_get_tpc_config,
+	.fw_stats_fill = ath10k_wmi_10x_op_fw_stats_fill,
 	/* .gen_bcn_tmpl not implemented */
 	/* .gen_prb_tmpl not implemented */
 	/* .gen_p2p_go_bcn_ie not implemented */

drivers/net/wireless/ath/ath10k/wmi.h

@@ -73,6 +73,25 @@ struct wmi_cmd_hdr {
 #define HTC_PROTOCOL_VERSION    0x0002
 #define WMI_PROTOCOL_VERSION    0x0002
 
+/*
+ * There is no signed version of __le32, so for a temporary solution come
+ * up with our own version. The idea is from fs/ntfs/types.h.
+ *
+ * Use a_ prefix so that it doesn't conflict if we get proper support to
+ * linux/types.h.
+ */
+typedef __s32 __bitwise a_sle32;
+
+static inline a_sle32 a_cpu_to_sle32(s32 val)
+{
+	return (__force a_sle32)cpu_to_le32(val);
+}
+
+static inline s32 a_sle32_to_cpu(a_sle32 val)
+{
+	return le32_to_cpu((__force __le32)val);
+}
+
 enum wmi_service {
 	WMI_SERVICE_BEACON_OFFLOAD = 0,
 	WMI_SERVICE_SCAN_OFFLOAD,
@@ -3642,8 +3661,18 @@ struct wmi_pdev_get_tpc_config_cmd {
 	__le32 param;
 } __packed;
 
+#define WMI_TPC_CONFIG_PARAM		1
 #define WMI_TPC_RATE_MAX		160
 #define WMI_TPC_TX_N_CHAIN		4
+#define WMI_TPC_PREAM_TABLE_MAX		10
+#define WMI_TPC_FLAG			3
+#define WMI_TPC_BUF_SIZE		10
+
+enum wmi_tpc_table_type {
+	WMI_TPC_TABLE_TYPE_CDD = 0,
+	WMI_TPC_TABLE_TYPE_STBC = 1,
+	WMI_TPC_TABLE_TYPE_TXBF = 2,
+};
 
 enum wmi_tpc_config_event_flag {
 	WMI_TPC_CONFIG_EVENT_FLAG_TABLE_CDD	= 0x1,
@@ -3657,7 +3686,7 @@ struct wmi_pdev_tpc_config_event {
 	__le32 phy_mode;
 	__le32 twice_antenna_reduction;
 	__le32 twice_max_rd_power;
-	s32 twice_antenna_gain;
+	a_sle32 twice_antenna_gain;
 	__le32 power_limit;
 	__le32 rate_max;
 	__le32 num_tx_chain;
@@ -4253,6 +4282,11 @@ enum wmi_rate_preamble {
 	WMI_RATE_PREAMBLE_VHT,
 };
 
+#define ATH10K_HW_NSS(rate)		(1 + (((rate) >> 4) & 0x3))
+#define ATH10K_HW_PREAMBLE(rate)	(((rate) >> 6) & 0x3)
+#define ATH10K_HW_RATECODE(rate, nss, preamble)	\
+	(((preamble) << 6) | ((nss) << 4) | (rate))
+
 /* Value to disable fixed rate setting */
 #define WMI_FIXED_RATE_NONE    (0xff)
 
@@ -6064,6 +6098,7 @@ struct ath10k;
 struct ath10k_vif;
 struct ath10k_fw_stats_pdev;
 struct ath10k_fw_stats_peer;
+struct ath10k_fw_stats;
 
 int ath10k_wmi_attach(struct ath10k *ar);
 void ath10k_wmi_detach(struct ath10k *ar);
@@ -6145,4 +6180,13 @@ void ath10k_wmi_event_service_ready(struct ath10k *ar, struct sk_buff *skb);
 int ath10k_wmi_event_ready(struct ath10k *ar, struct sk_buff *skb);
 int ath10k_wmi_op_pull_phyerr_ev(struct ath10k *ar, const void *phyerr_buf,
 				 int left_len, struct wmi_phyerr_ev_arg *arg);
+void ath10k_wmi_main_op_fw_stats_fill(struct ath10k *ar,
+				      struct ath10k_fw_stats *fw_stats,
+				      char *buf);
+void ath10k_wmi_10x_op_fw_stats_fill(struct ath10k *ar,
+				     struct ath10k_fw_stats *fw_stats,
+				     char *buf);
+size_t ath10k_wmi_fw_stats_num_peers(struct list_head *head);
+size_t ath10k_wmi_fw_stats_num_vdevs(struct list_head *head);
+
 #endif /* _WMI_H_ */

drivers/net/wireless/ath/ath6kl/cfg80211.c

@@ -2217,7 +2217,7 @@ static int ath6kl_wow_suspend(struct ath6kl *ar, struct cfg80211_wowlan *wow)
 
 	/* enter / leave wow suspend on first vif always */
 	first_vif = ath6kl_vif_first(ar);
-	if (WARN_ON(unlikely(!first_vif)) ||
+	if (WARN_ON(!first_vif) ||
 	    !ath6kl_cfg80211_ready(first_vif))
 		return -EIO;
 
@@ -2297,7 +2297,7 @@ static int ath6kl_wow_resume(struct ath6kl *ar)
 	int ret;
 
 	vif = ath6kl_vif_first(ar);
-	if (WARN_ON(unlikely(!vif)) ||
+	if (WARN_ON(!vif) ||
 	    !ath6kl_cfg80211_ready(vif))
 		return -EIO;
 

drivers/net/wireless/ath/ath6kl/htc_mbox.c

@@ -1085,9 +1085,7 @@ static int htc_setup_tx_complete(struct htc_target *target)
 	send_pkt->completion = NULL;
 	ath6kl_htc_tx_prep_pkt(send_pkt, 0, 0, 0);
 	status = ath6kl_htc_tx_issue(target, send_pkt);
-
-	if (send_pkt != NULL)
-		htc_reclaim_txctrl_buf(target, send_pkt);
+	htc_reclaim_txctrl_buf(target, send_pkt);
 
 	return status;
 }

drivers/net/wireless/ath/dfs_pattern_detector.c

@@ -284,10 +284,10 @@ dpd_add_pulse(struct dfs_pattern_detector *dpd, struct pulse_event *event)
 	if (cd == NULL)
 		return false;
 
-	dpd->last_pulse_ts = event->ts;
 	/* reset detector on time stamp wraparound, caused by TSF reset */
 	if (event->ts < dpd->last_pulse_ts)
 		dpd_reset(dpd);
+	dpd->last_pulse_ts = event->ts;
 
 	/* do type individual pattern matching */
 	for (i = 0; i < dpd->num_radar_types; i++) {

drivers/net/wireless/ath/wil6210/Kconfig

@@ -1,5 +1,6 @@
 config WIL6210
 	tristate "Wilocity 60g WiFi card wil6210 support"
+	select WANT_DEV_COREDUMP
 	depends on CFG80211
 	depends on PCI
 	default n

drivers/net/wireless/ath/wil6210/Makefile

@@ -17,6 +17,7 @@ wil6210-y += pmc.o
 wil6210-$(CONFIG_WIL6210_TRACING) += trace.o
 wil6210-y += wil_platform.o
 wil6210-y += ethtool.o
+wil6210-y += wil_crash_dump.o
 
 # for tracing framework to find trace.h
 CFLAGS_trace.o := -I$(src)

drivers/net/wireless/ath/wil6210/debugfs.c

@@ -1373,6 +1373,12 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock)
 				}
 			}
 			spin_unlock_bh(&p->tid_rx_lock);
+			seq_printf(s,
+				   "Rx invalid frame: non-data %lu, short %lu, large %lu\n",
+				   p->stats.rx_non_data_frame,
+				   p->stats.rx_short_frame,
+				   p->stats.rx_large_frame);
+
 			seq_puts(s, "Rx/MCS:");
 			for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs);
 			     mcs++)

drivers/net/wireless/ath/wil6210/interrupt.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2012-2014 Qualcomm Atheros, Inc.
+ * Copyright (c) 2012-2015 Qualcomm Atheros, Inc.
  *
  * Permission to use, copy, modify, and/or distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
@@ -347,7 +347,12 @@ static irqreturn_t wil6210_irq_misc(int irq, void *cookie)
 	wil6210_mask_irq_misc(wil);
 
 	if (isr & ISR_MISC_FW_ERROR) {
-		wil_err(wil, "Firmware error detected\n");
+		u32 fw_assert_code = wil_r(wil, RGF_FW_ASSERT_CODE);
+		u32 ucode_assert_code = wil_r(wil, RGF_UCODE_ASSERT_CODE);
+
+		wil_err(wil,
+			"Firmware error detected, assert codes FW 0x%08x, UCODE 0x%08x\n",
+			fw_assert_code, ucode_assert_code);
 		clear_bit(wil_status_fwready, wil->status);
 		/*
 		 * do not clear @isr here - we do 2-nd part in thread
@@ -386,6 +391,7 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie)
 	wil_dbg_irq(wil, "Thread ISR MISC 0x%08x\n", isr);
 
 	if (isr & ISR_MISC_FW_ERROR) {
+		wil_fw_core_dump(wil);
 		wil_notify_fw_error(wil);
 		isr &= ~ISR_MISC_FW_ERROR;
 		wil_fw_error_recovery(wil);

drivers/net/wireless/ath/wil6210/main.c

@@ -203,11 +203,13 @@ static void _wil6210_disconnect(struct wil6210_priv *wil, const u8 *bssid,
 	 * - disconnect single STA, already disconnected
 	 * - disconnect all
 	 *
-	 * For "disconnect all", there are 2 options:
+	 * For "disconnect all", there are 3 options:
 	 * - bssid == NULL
+	 * - bssid is broadcast address (ff:ff:ff:ff:ff:ff)
 	 * - bssid is our MAC address
 	 */
-	if (bssid && memcmp(ndev->dev_addr, bssid, ETH_ALEN)) {
+	if (bssid && !is_broadcast_ether_addr(bssid) &&
+	    !ether_addr_equal_unaligned(ndev->dev_addr, bssid)) {
 		cid = wil_find_cid(wil, bssid);
 		wil_dbg_misc(wil, "Disconnect %pM, CID=%d, reason=%d\n",
 			     bssid, cid, reason_code);
@@ -765,6 +767,8 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 	if (wil->hw_version == HW_VER_UNKNOWN)
 		return -ENODEV;
 
+	set_bit(wil_status_resetting, wil->status);
+
 	cancel_work_sync(&wil->disconnect_worker);
 	wil6210_disconnect(wil, NULL, WLAN_REASON_DEAUTH_LEAVING, false);
 	wil_bcast_fini(wil);
@@ -851,6 +855,12 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw)
 void wil_fw_error_recovery(struct wil6210_priv *wil)
 {
 	wil_dbg_misc(wil, "starting fw error recovery\n");
+
+	if (test_bit(wil_status_resetting, wil->status)) {
+		wil_info(wil, "Reset already in progress\n");
+		return;
+	}
+
 	wil->recovery_state = fw_recovery_pending;
 	schedule_work(&wil->fw_error_worker);
 }

drivers/net/wireless/ath/wil6210/pcie_bus.c

@@ -260,6 +260,7 @@ static const struct pci_device_id wil6210_pcie_ids[] = {
 MODULE_DEVICE_TABLE(pci, wil6210_pcie_ids);
 
 #ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 
 static int wil6210_suspend(struct device *dev, bool is_runtime)
 {
@@ -307,7 +308,6 @@ static int wil6210_resume(struct device *dev, bool is_runtime)
 	return rc;
 }
 
-#ifdef CONFIG_PM_SLEEP
 static int wil6210_pm_suspend(struct device *dev)
 {
 	return wil6210_suspend(dev, false);

drivers/net/wireless/ath/wil6210/pmc.c

@@ -110,7 +110,7 @@ void wil_pmc_alloc(struct wil6210_priv *wil,
 	 */
 	for (i = 0; i < num_descriptors; i++) {
 		struct vring_tx_desc *_d = &pmc->pring_va[i];
-		struct vring_tx_desc dd, *d = &dd;
+		struct vring_tx_desc dd = {}, *d = &dd;
 		int j = 0;
 
 		pmc->descriptors[i].va = dma_alloc_coherent(dev,

drivers/net/wireless/ath/wil6210/rx_reorder.c

@@ -205,6 +205,32 @@ out:
 	spin_unlock(&sta->tid_rx_lock);
 }
 
+/* process BAR frame, called in NAPI context */
+void wil_rx_bar(struct wil6210_priv *wil, u8 cid, u8 tid, u16 seq)
+{
+	struct wil_sta_info *sta = &wil->sta[cid];
+	struct wil_tid_ampdu_rx *r;
+
+	spin_lock(&sta->tid_rx_lock);
+
+	r = sta->tid_rx[tid];
+	if (!r) {
+		wil_err(wil, "BAR for non-existing CID %d TID %d\n", cid, tid);
+		goto out;
+	}
+	if (seq_less(seq, r->head_seq_num)) {
+		wil_err(wil, "BAR Seq 0x%03x preceding head 0x%03x\n",
+			seq, r->head_seq_num);
+		goto out;
+	}
+	wil_dbg_txrx(wil, "BAR: CID %d TID %d Seq 0x%03x head 0x%03x\n",
+		     cid, tid, seq, r->head_seq_num);
+	wil_release_reorder_frames(wil, r, seq);
+
+out:
+	spin_unlock(&sta->tid_rx_lock);
+}
+
 struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil,
 						int size, u16 ssn)
 {

drivers/net/wireless/ath/wil6210/txrx.c

@@ -358,6 +358,13 @@ static void wil_rx_add_radiotap_header(struct wil6210_priv *wil,
 	}
 }
 
+/* similar to ieee80211_ version, but FC contain only 1-st byte */
+static inline int wil_is_back_req(u8 fc)
+{
+	return (fc & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
+	       (IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
+}
+
 /**
  * reap 1 frame from @swhead
  *
@@ -379,14 +386,16 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
 	u16 dmalen;
 	u8 ftype;
 	int cid;
-	int i = (int)vring->swhead;
+	int i;
 	struct wil_net_stats *stats;
 
 	BUILD_BUG_ON(sizeof(struct vring_rx_desc) > sizeof(skb->cb));
 
+again:
 	if (unlikely(wil_vring_is_empty(vring)))
 		return NULL;
 
+	i = (int)vring->swhead;
 	_d = &vring->va[i].rx;
 	if (unlikely(!(_d->dma.status & RX_DMA_STATUS_DU))) {
 		/* it is not error, we just reached end of Rx done area */
@@ -398,7 +407,7 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
 	wil_vring_advance_head(vring, 1);
 	if (!skb) {
 		wil_err(wil, "No Rx skb at [%d]\n", i);
-		return NULL;
+		goto again;
 	}
 	d = wil_skb_rxdesc(skb);
 	*d = *_d;
@@ -409,13 +418,17 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
 
 	trace_wil6210_rx(i, d);
 	wil_dbg_txrx(wil, "Rx[%3d] : %d bytes\n", i, dmalen);
-	wil_hex_dump_txrx("Rx ", DUMP_PREFIX_NONE, 32, 4,
+	wil_hex_dump_txrx("RxD ", DUMP_PREFIX_NONE, 32, 4,
 			  (const void *)d, sizeof(*d), false);
 
+	cid = wil_rxdesc_cid(d);
+	stats = &wil->sta[cid].stats;
+
 	if (unlikely(dmalen > sz)) {
 		wil_err(wil, "Rx size too large: %d bytes!\n", dmalen);
+		stats->rx_large_frame++;
 		kfree_skb(skb);
-		return NULL;
+		goto again;
 	}
 	skb_trim(skb, dmalen);
 
@@ -424,8 +437,6 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
 	wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1,
 			  skb->data, skb_headlen(skb), false);
 
-	cid = wil_rxdesc_cid(d);
-	stats = &wil->sta[cid].stats;
 	stats->last_mcs_rx = wil_rxdesc_mcs(d);
 	if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs))
 		stats->rx_per_mcs[stats->last_mcs_rx]++;
@@ -437,24 +448,47 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil,
 	/* no extra checks if in sniffer mode */
 	if (ndev->type != ARPHRD_ETHER)
 		return skb;
-	/*
-	 * Non-data frames may be delivered through Rx DMA channel (ex: BAR)
+	/* Non-data frames may be delivered through Rx DMA channel (ex: BAR)
 	 * Driver should recognize it by frame type, that is found
 	 * in Rx descriptor. If type is not data, it is 802.11 frame as is
 	 */
 	ftype = wil_rxdesc_ftype(d) << 2;
 	if (unlikely(ftype != IEEE80211_FTYPE_DATA)) {
-		wil_dbg_txrx(wil, "Non-data frame ftype 0x%08x\n", ftype);
-		/* TODO: process it */
+		u8 fc1 = wil_rxdesc_fc1(d);
+		int mid = wil_rxdesc_mid(d);
+		int tid = wil_rxdesc_tid(d);
+		u16 seq = wil_rxdesc_seq(d);
+
+		wil_dbg_txrx(wil,
+			     "Non-data frame FC[7:0] 0x%02x MID %d CID %d TID %d Seq 0x%03x\n",
+			     fc1, mid, cid, tid, seq);
+		stats->rx_non_data_frame++;
+		if (wil_is_back_req(fc1)) {
+			wil_dbg_txrx(wil,
+				     "BAR: MID %d CID %d TID %d Seq 0x%03x\n",
+				     mid, cid, tid, seq);
+			wil_rx_bar(wil, cid, tid, seq);
+		} else {
+			/* print again all info. One can enable only this
+			 * without overhead for printing every Rx frame
+			 */
+			wil_dbg_txrx(wil,
+				     "Unhandled non-data frame FC[7:0] 0x%02x MID %d CID %d TID %d Seq 0x%03x\n",
+				     fc1, mid, cid, tid, seq);
+			wil_hex_dump_txrx("RxD ", DUMP_PREFIX_NONE, 32, 4,
+					  (const void *)d, sizeof(*d), false);
+			wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1,
+					  skb->data, skb_headlen(skb), false);
+		}
 		kfree_skb(skb);
-		return NULL;
+		goto again;
 	}
 
 	if (unlikely(skb->len < ETH_HLEN + snaplen)) {
 		wil_err(wil, "Short frame, len = %d\n", skb->len);
-		/* TODO: process it (i.e. BAR) */
+		stats->rx_short_frame++;
 		kfree_skb(skb);
-		return NULL;
+		goto again;
 	}
 
 	/* L4 IDENT is on when HW calculated checksum, check status
@@ -1633,7 +1667,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 		goto drop;
 	}
 	if (unlikely(!test_bit(wil_status_fwconnected, wil->status))) {
-		wil_err(wil, "FW not connected\n");
+		wil_err_ratelimited(wil, "FW not connected\n");
 		goto drop;
 	}
 	if (unlikely(wil->wdev->iftype == NL80211_IFTYPE_MONITOR)) {

drivers/net/wireless/ath/wil6210/txrx.h

@@ -464,6 +464,12 @@ static inline int wil_rxdesc_subtype(struct vring_rx_desc *d)
 	return WIL_GET_BITS(d->mac.d0, 12, 15);
 }
 
+/* 1-st byte (with frame type/subtype) of FC field */
+static inline u8 wil_rxdesc_fc1(struct vring_rx_desc *d)
+{
+	return (u8)(WIL_GET_BITS(d->mac.d0, 10, 15) << 2);
+}
+
 static inline int wil_rxdesc_seq(struct vring_rx_desc *d)
 {
 	return WIL_GET_BITS(d->mac.d0, 16, 27);
@@ -501,6 +507,7 @@ static inline struct vring_rx_desc *wil_skb_rxdesc(struct sk_buff *skb)
 
 void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev);
 void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb);
+void wil_rx_bar(struct wil6210_priv *wil, u8 cid, u8 tid, u16 seq);
 struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil,
 						int size, u16 ssn);
 void wil_tid_ampdu_rx_free(struct wil6210_priv *wil,

drivers/net/wireless/ath/wil6210/wil6210.h

@@ -246,6 +246,10 @@ struct RGF_ICR {
 #define RGF_USER_JTAG_DEV_ID	(0x880b34) /* device ID */
 	#define JTAG_DEV_ID_SPARROW_B0	(0x2632072f)
 
+/* crash codes for FW/Ucode stored here */
+#define RGF_FW_ASSERT_CODE		(0x91f020)
+#define RGF_UCODE_ASSERT_CODE		(0x91f028)
+
 enum {
 	HW_VER_UNKNOWN,
 	HW_VER_SPARROW_B0, /* JTAG_DEV_ID_SPARROW_B0 */
@@ -405,6 +409,7 @@ enum { /* for wil6210_priv.status */
 	wil_status_reset_done,
 	wil_status_irqen, /* FIXME: interrupts enabled - for debug */
 	wil_status_napi_en, /* NAPI enabled protected by wil->mutex */
+	wil_status_resetting, /* reset in progress */
 	wil_status_last /* keep last */
 };
 
@@ -465,6 +470,9 @@ struct wil_net_stats {
 	unsigned long	tx_bytes;
 	unsigned long	tx_errors;
 	unsigned long	rx_dropped;
+	unsigned long	rx_non_data_frame;
+	unsigned long	rx_short_frame;
+	unsigned long	rx_large_frame;
 	u16 last_mcs_rx;
 	u64 rx_per_mcs[WIL_MCS_MAX + 1];
 };
@@ -820,4 +828,6 @@ int wil_can_suspend(struct wil6210_priv *wil, bool is_runtime);
 int wil_suspend(struct wil6210_priv *wil, bool is_runtime);
 int wil_resume(struct wil6210_priv *wil, bool is_runtime);
 
+void wil_fw_core_dump(struct wil6210_priv *wil);
+
 #endif /* __WIL6210_H__ */

drivers/net/wireless/ath/wil6210/wil_crash_dump.c

@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 2015 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "wil6210.h"
+#include <linux/devcoredump.h>
+
+static int wil_fw_get_crash_dump_bounds(struct wil6210_priv *wil,
+					u32 *out_dump_size, u32 *out_host_min)
+{
+	int i;
+	const struct fw_map *map;
+	u32 host_min, host_max, tmp_max;
+
+	if (!out_dump_size)
+		return -EINVAL;
+
+	/* calculate the total size of the unpacked crash dump */
+	BUILD_BUG_ON(ARRAY_SIZE(fw_mapping) == 0);
+	map = &fw_mapping[0];
+	host_min = map->host;
+	host_max = map->host + (map->to - map->from);
+
+	for (i = 1; i < ARRAY_SIZE(fw_mapping); i++) {
+		map = &fw_mapping[i];
+
+		if (map->host < host_min)
+			host_min = map->host;
+
+		tmp_max = map->host + (map->to - map->from);
+		if (tmp_max > host_max)
+			host_max = tmp_max;
+	}
+
+	*out_dump_size = host_max - host_min;
+	if (out_host_min)
+		*out_host_min = host_min;
+
+	return 0;
+}
+
+static int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest,
+				  u32 size)
+{
+	int i;
+	const struct fw_map *map;
+	void *data;
+	u32 host_min, dump_size, offset, len;
+
+	if (wil_fw_get_crash_dump_bounds(wil, &dump_size, &host_min)) {
+		wil_err(wil, "%s: fail to obtain crash dump size\n", __func__);
+		return -EINVAL;
+	}
+
+	if (dump_size > size) {
+		wil_err(wil, "%s: not enough space for dump. Need %d have %d\n",
+			__func__, dump_size, size);
+		return -EINVAL;
+	}
+
+	/* copy to crash dump area */
+	for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) {
+		map = &fw_mapping[i];
+
+		data = (void * __force)wil->csr + HOSTADDR(map->host);
+		len = map->to - map->from;
+		offset = map->host - host_min;
+
+		wil_dbg_misc(wil, "%s() - dump %s, size %d, offset %d\n",
+			     __func__, fw_mapping[i].name, len, offset);
+
+		wil_memcpy_fromio_32((void * __force)(dest + offset),
+				     (const void __iomem * __force)data, len);
+	}
+
+	return 0;
+}
+
+void wil_fw_core_dump(struct wil6210_priv *wil)
+{
+	void *fw_dump_data;
+	u32 fw_dump_size;
+
+	if (wil_fw_get_crash_dump_bounds(wil, &fw_dump_size, NULL)) {
+		wil_err(wil, "%s: fail to get fw dump size\n", __func__);
+		return;
+	}
+
+	fw_dump_data = vzalloc(fw_dump_size);
+	if (!fw_dump_data)
+		return;
+
+	if (wil_fw_copy_crash_dump(wil, fw_dump_data, fw_dump_size)) {
+		vfree(fw_dump_data);
+		return;
+	}
+	/* fw_dump_data will be free in device coredump release function
+	 * after 5 min
+	 */
+	dev_coredumpv(wil_to_dev(wil), fw_dump_data, fw_dump_size, GFP_KERNEL);
+	wil_info(wil, "%s: fw core dumped, size %d bytes\n", __func__,
+		 fw_dump_size);
+}

drivers/net/wireless/ath/wil6210/wmi.c

@@ -1120,7 +1120,7 @@ int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring)
 			cpu_to_le32(ndev->type == ARPHRD_IEEE80211_RADIOTAP);
 		cmd.sniffer_cfg.phy_support =
 			cpu_to_le32((wil->monitor_flags & MONITOR_FLAG_CONTROL)
-				    ? WMI_SNIFFER_CP : WMI_SNIFFER_DP);
+				    ? WMI_SNIFFER_CP : WMI_SNIFFER_BOTH_PHYS);
 	} else {
 		/* Initialize offload (in non-sniffer mode).
 		 * Linux IP stack always calculates IP checksum