Merge ath-next from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git

ath.git patches for v5.8. Major changes:

ath11k

* add 802.11 encapsulation offload on hardware support

* add htt_peer_stats_reset debugfs file

ath10k

* sdio: decrease power consumption

* sdio: add HTT TX bundle support to increase throughput

* sdio: add rx bitrate reporting

ath9k

* improvements to AR9002 calibration logic

carl9170

* remove buggy P2P_GO support

Documentation/devicetree/bindings/net/wireless/qcom,ath10k.txt

@@ -96,6 +96,17 @@ Optional properties:
 - qcom,coexist-gpio-pin : gpio pin number  information to support coex
 			  which will be used by wifi firmware.
 
+* Subnodes
+The ath10k wifi node can contain one optional firmware subnode.
+Firmware subnode is needed when the platform does not have TustZone.
+The firmware subnode must have:
+
+- iommus:
+	Usage: required
+	Value type: <prop-encoded-array>
+	Definition: A list of phandle and IOMMU specifier pairs.
+
+
 Example (to supply PCI based wifi block details):
 
 In this example, the node is defined as child node of the PCI controller.
@@ -196,4 +207,7 @@ wifi@18000000 {
 		memory-region = <&wifi_msa_mem>;
 		iommus = <&apps_smmu 0x0040 0x1>;
 		qcom,msa-fixed-perm;
+		wifi-firmware {
+			iommus = <&apps_iommu 0xc22 0x1>;
+		};
 };

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

@@ -380,6 +380,7 @@ static int ath10k_bmi_lz_data_large(struct ath10k *ar, const void *buffer, u32 l
 						  NULL, NULL);
 		if (ret) {
 			ath10k_warn(ar, "unable to write to the device\n");
+			kfree(cmd);
 			return ret;
 		}
 

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

@@ -419,7 +419,7 @@ struct ce_pipe_config {
 #define PIPEDIR_INOUT   3  /* bidirectional */
 
 /* Establish a mapping between a service/direction and a pipe. */
-struct service_to_pipe {
+struct ce_service_to_pipe {
 	__le32 service_id;
 	__le32 pipedir;
 	__le32 pipenum;

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

@@ -190,6 +190,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = {
 		.uart_pin_workaround = true,
 		.tx_stats_over_pktlog = false,
 		.bmi_large_size_download = true,
+		.supports_peer_stats_info = true,
 	},
 	{
 		.id = QCA6174_HW_2_1_VERSION,
@@ -725,10 +726,10 @@ static int ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode)
 
 	param |= HI_ACS_FLAGS_SDIO_REDUCE_TX_COMPL_SET;
 
-	/* Alternate credit size of 1544 as used by SDIO firmware is
+	if (mode == ATH10K_FIRMWARE_MODE_NORMAL)
-	 * not big enough for mac80211 / native wifi frames. disable it
+		param |= HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
-	 */
+	else
-	param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
+		param &= ~HI_ACS_FLAGS_ALT_DATA_CREDIT_SIZE;
 
 	if (mode == ATH10K_FIRMWARE_MODE_UTF)
 		param &= ~HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET;
@@ -2714,7 +2715,7 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
 		goto err_hif_stop;
 	}
 
-	status = ath10k_hif_swap_mailbox(ar);
+	status = ath10k_hif_start_post(ar);
 	if (status) {
 		ath10k_err(ar, "failed to swap mailbox: %d\n", status);
 		goto err_hif_stop;
@@ -3277,6 +3278,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 	init_completion(&ar->thermal.wmi_sync);
 	init_completion(&ar->bss_survey_done);
 	init_completion(&ar->peer_delete_done);
+	init_completion(&ar->peer_stats_info_complete);
 
 	INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
 
@@ -3288,6 +3290,11 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 	if (!ar->workqueue_aux)
 		goto err_free_wq;
 
+	ar->workqueue_tx_complete =
+		create_singlethread_workqueue("ath10k_tx_complete_wq");
+	if (!ar->workqueue_tx_complete)
+		goto err_free_aux_wq;
+
 	mutex_init(&ar->conf_mutex);
 	mutex_init(&ar->dump_mutex);
 	spin_lock_init(&ar->data_lock);
@@ -3315,7 +3322,7 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 
 	ret = ath10k_coredump_create(ar);
 	if (ret)
-		goto err_free_aux_wq;
+		goto err_free_tx_complete;
 
 	ret = ath10k_debug_create(ar);
 	if (ret)
@@ -3325,12 +3332,12 @@ struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
 
 err_free_coredump:
 	ath10k_coredump_destroy(ar);
-
+err_free_tx_complete:
+	destroy_workqueue(ar->workqueue_tx_complete);
 err_free_aux_wq:
 	destroy_workqueue(ar->workqueue_aux);
 err_free_wq:
 	destroy_workqueue(ar->workqueue);
-
 err_free_mac:
 	ath10k_mac_destroy(ar);
 
@@ -3346,6 +3353,9 @@ void ath10k_core_destroy(struct ath10k *ar)
 	flush_workqueue(ar->workqueue_aux);
 	destroy_workqueue(ar->workqueue_aux);
 
+	flush_workqueue(ar->workqueue_tx_complete);
+	destroy_workqueue(ar->workqueue_tx_complete);
+
 	ath10k_debug_destroy(ar);
 	ath10k_coredump_destroy(ar);
 	ath10k_htt_tx_destroy(&ar->htt);

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

@@ -149,6 +149,26 @@ static inline u32 host_interest_item_address(u32 item_offset)
 	return QCA988X_HOST_INTEREST_ADDRESS + item_offset;
 }
 
+enum ath10k_phy_mode {
+	ATH10K_PHY_MODE_LEGACY = 0,
+	ATH10K_PHY_MODE_HT = 1,
+	ATH10K_PHY_MODE_VHT = 2,
+};
+
+/* Data rate 100KBPS based on IE Index */
+struct ath10k_index_ht_data_rate_type {
+	u8   beacon_rate_index;
+	u16  supported_rate[4];
+};
+
+/* Data rate 100KBPS based on IE Index */
+struct ath10k_index_vht_data_rate_type {
+	u8   beacon_rate_index;
+	u16  supported_VHT80_rate[2];
+	u16  supported_VHT40_rate[2];
+	u16  supported_VHT20_rate[2];
+};
+
 struct ath10k_bmi {
 	bool done_sent;
 };
@@ -500,8 +520,14 @@ struct ath10k_sta {
 	u16 peer_id;
 	struct rate_info txrate;
 	struct ieee80211_tx_info tx_info;
+	u32 tx_retries;
+	u32 tx_failed;
 	u32 last_tx_bitrate;
 
+	u32 rx_rate_code;
+	u32 rx_bitrate_kbps;
+	u32 tx_rate_code;
+	u32 tx_bitrate_kbps;
 	struct work_struct update_wk;
 	u64 rx_duration;
 	struct ath10k_htt_tx_stats *tx_stats;
@@ -949,6 +975,11 @@ struct ath10k {
 	struct ieee80211_hw *hw;
 	struct ieee80211_ops *ops;
 	struct device *dev;
+	struct msa_region {
+		dma_addr_t paddr;
+		u32 mem_size;
+		void *vaddr;
+	} msa;
 	u8 mac_addr[ETH_ALEN];
 
 	enum ath10k_hw_rev hw_rev;
@@ -1087,11 +1118,12 @@ struct ath10k {
 	int last_wmi_vdev_start_status;
 	struct completion vdev_setup_done;
 	struct completion vdev_delete_done;
+	struct completion peer_stats_info_complete;
 
 	struct workqueue_struct *workqueue;
 	/* Auxiliary workqueue */
 	struct workqueue_struct *workqueue_aux;
-
+	struct workqueue_struct *workqueue_tx_complete;
 	/* prevents concurrent FW reconfiguration */
 	struct mutex conf_mutex;
 
@@ -1132,6 +1164,8 @@ struct ath10k {
 
 	struct work_struct register_work;
 	struct work_struct restart_work;
+	struct work_struct bundle_tx_work;
+	struct work_struct tx_complete_work;
 
 	/* cycle count is reported twice for each visited channel during scan.
 	 * access protected by data_lock

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

@@ -349,7 +349,7 @@ void ath10k_debug_fw_stats_process(struct ath10k *ar, struct sk_buff *skb)
 	spin_unlock_bh(&ar->data_lock);
 }
 
-static int ath10k_debug_fw_stats_request(struct ath10k *ar)
+int ath10k_debug_fw_stats_request(struct ath10k *ar)
 {
 	unsigned long timeout, time_left;
 	int ret;
@@ -778,7 +778,7 @@ static ssize_t ath10k_mem_value_read(struct file *file,
 
 	ret = ath10k_hif_diag_read(ar, *ppos, buf, count);
 	if (ret) {
-		ath10k_warn(ar, "failed to read address 0x%08x via diagnose window fnrom debugfs: %d\n",
+		ath10k_warn(ar, "failed to read address 0x%08x via diagnose window from debugfs: %d\n",
 			    (u32)(*ppos), ret);
 		goto exit;
 	}

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

@@ -125,6 +125,9 @@ static inline int ath10k_debug_is_extd_tx_stats_enabled(struct ath10k *ar)
 {
 	return ar->debug.enable_extd_tx_stats;
 }
+
+int ath10k_debug_fw_stats_request(struct ath10k *ar);
+
 #else
 
 static inline int ath10k_debug_start(struct ath10k *ar)
@@ -192,6 +195,11 @@ static inline int ath10k_debug_is_extd_tx_stats_enabled(struct ath10k *ar)
 	return 0;
 }
 
+static inline int ath10k_debug_fw_stats_request(struct ath10k *ar)
+{
+	return 0;
+}
+
 #define ATH10K_DFS_STAT_INC(ar, c) do { } while (0)
 
 #define ath10k_debug_get_et_strings NULL

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

@@ -54,7 +54,7 @@ struct ath10k_hif_ops {
 	 */
 	void (*stop)(struct ath10k *ar);
 
-	int (*swap_mailbox)(struct ath10k *ar);
+	int (*start_post)(struct ath10k *ar);
 
 	int (*get_htt_tx_complete)(struct ath10k *ar);
 
@@ -139,10 +139,10 @@ static inline void ath10k_hif_stop(struct ath10k *ar)
 	return ar->hif.ops->stop(ar);
 }
 
-static inline int ath10k_hif_swap_mailbox(struct ath10k *ar)
+static inline int ath10k_hif_start_post(struct ath10k *ar)
 {
-	if (ar->hif.ops->swap_mailbox)
+	if (ar->hif.ops->start_post)
-		return ar->hif.ops->swap_mailbox(ar);
+		return ar->hif.ops->start_post(ar);
 	return 0;
 }
 
@@ -170,7 +170,8 @@ static inline void ath10k_hif_get_default_pipe(struct ath10k *ar,
 static inline void ath10k_hif_send_complete_check(struct ath10k *ar,
 						  u8 pipe_id, int force)
 {
-	ar->hif.ops->send_complete_check(ar, pipe_id, force);
+	if (ar->hif.ops->send_complete_check)
+		ar->hif.ops->send_complete_check(ar, pipe_id, force);
 }
 
 static inline u16 ath10k_hif_get_free_queue_number(struct ath10k *ar,

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

@@ -51,10 +51,12 @@ void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep,
 				     struct sk_buff *skb)
 {
 	struct ath10k *ar = ep->htc->ar;
+	struct ath10k_htc_hdr *hdr;
 
 	ath10k_dbg(ar, ATH10K_DBG_HTC, "%s: ep %d skb %pK\n", __func__,
 		   ep->eid, skb);
 
+	hdr = (struct ath10k_htc_hdr *)skb->data;
 	ath10k_htc_restore_tx_skb(ep->htc, skb);
 
 	if (!ep->ep_ops.ep_tx_complete) {
@@ -63,6 +65,11 @@ void ath10k_htc_notify_tx_completion(struct ath10k_htc_ep *ep,
 		return;
 	}
 
+	if (hdr->flags & ATH10K_HTC_FLAG_SEND_BUNDLE) {
+		dev_kfree_skb_any(skb);
+		return;
+	}
+
 	ep->ep_ops.ep_tx_complete(ep->htc->ar, skb);
 }
 EXPORT_SYMBOL(ath10k_htc_notify_tx_completion);
@@ -78,7 +85,7 @@ static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
 	hdr->eid = ep->eid;
 	hdr->len = __cpu_to_le16(skb->len - sizeof(*hdr));
 	hdr->flags = 0;
-	if (ep->tx_credit_flow_enabled)
+	if (ep->tx_credit_flow_enabled && !ep->bundle_tx)
 		hdr->flags |= ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE;
 
 	spin_lock_bh(&ep->htc->tx_lock);
@@ -86,6 +93,63 @@ static void ath10k_htc_prepare_tx_skb(struct ath10k_htc_ep *ep,
 	spin_unlock_bh(&ep->htc->tx_lock);
 }
 
+static int ath10k_htc_consume_credit(struct ath10k_htc_ep *ep,
+				     unsigned int len,
+				     bool consume)
+{
+	struct ath10k_htc *htc = ep->htc;
+	struct ath10k *ar = htc->ar;
+	enum ath10k_htc_ep_id eid = ep->eid;
+	int credits, ret = 0;
+
+	if (!ep->tx_credit_flow_enabled)
+		return 0;
+
+	credits = DIV_ROUND_UP(len, ep->tx_credit_size);
+	spin_lock_bh(&htc->tx_lock);
+
+	if (ep->tx_credits < credits) {
+		ath10k_dbg(ar, ATH10K_DBG_HTC,
+			   "htc insufficient credits ep %d required %d available %d consume %d\n",
+			   eid, credits, ep->tx_credits, consume);
+		ret = -EAGAIN;
+		goto unlock;
+	}
+
+	if (consume) {
+		ep->tx_credits -= credits;
+		ath10k_dbg(ar, ATH10K_DBG_HTC,
+			   "htc ep %d consumed %d credits total %d\n",
+			   eid, credits, ep->tx_credits);
+	}
+
+unlock:
+	spin_unlock_bh(&htc->tx_lock);
+	return ret;
+}
+
+static void ath10k_htc_release_credit(struct ath10k_htc_ep *ep, unsigned int len)
+{
+	struct ath10k_htc *htc = ep->htc;
+	struct ath10k *ar = htc->ar;
+	enum ath10k_htc_ep_id eid = ep->eid;
+	int credits;
+
+	if (!ep->tx_credit_flow_enabled)
+		return;
+
+	credits = DIV_ROUND_UP(len, ep->tx_credit_size);
+	spin_lock_bh(&htc->tx_lock);
+	ep->tx_credits += credits;
+	ath10k_dbg(ar, ATH10K_DBG_HTC,
+		   "htc ep %d reverted %d credits back total %d\n",
+		   eid, credits, ep->tx_credits);
+	spin_unlock_bh(&htc->tx_lock);
+
+	if (ep->ep_ops.ep_tx_credits)
+		ep->ep_ops.ep_tx_credits(htc->ar);
+}
+
 int ath10k_htc_send(struct ath10k_htc *htc,
 		    enum ath10k_htc_ep_id eid,
 		    struct sk_buff *skb)
@@ -95,8 +159,8 @@ int ath10k_htc_send(struct ath10k_htc *htc,
 	struct ath10k_skb_cb *skb_cb = ATH10K_SKB_CB(skb);
 	struct ath10k_hif_sg_item sg_item;
 	struct device *dev = htc->ar->dev;
-	int credits = 0;
 	int ret;
+	unsigned int skb_len;
 
 	if (htc->ar->state == ATH10K_STATE_WEDGED)
 		return -ECOMM;
@@ -108,23 +172,10 @@ int ath10k_htc_send(struct ath10k_htc *htc,
 
 	skb_push(skb, sizeof(struct ath10k_htc_hdr));
 
-	if (ep->tx_credit_flow_enabled) {
+	skb_len = skb->len;
-		credits = DIV_ROUND_UP(skb->len, htc->target_credit_size);
+	ret = ath10k_htc_consume_credit(ep, skb_len, true);
-		spin_lock_bh(&htc->tx_lock);
+	if (ret)
-		if (ep->tx_credits < credits) {
+		goto err_pull;
-			ath10k_dbg(ar, ATH10K_DBG_HTC,
-				   "htc insufficient credits ep %d required %d available %d\n",
-				   eid, credits, ep->tx_credits);
-			spin_unlock_bh(&htc->tx_lock);
-			ret = -EAGAIN;
-			goto err_pull;
-		}
-		ep->tx_credits -= credits;
-		ath10k_dbg(ar, ATH10K_DBG_HTC,
-			   "htc ep %d consumed %d credits (total %d)\n",
-			   eid, credits, ep->tx_credits);
-		spin_unlock_bh(&htc->tx_lock);
-	}
 
 	ath10k_htc_prepare_tx_skb(ep, skb);
 
@@ -155,17 +206,7 @@ int ath10k_htc_send(struct ath10k_htc *htc,
 	if (ar->bus_param.dev_type != ATH10K_DEV_TYPE_HL)
 		dma_unmap_single(dev, skb_cb->paddr, skb->len, DMA_TO_DEVICE);
 err_credits:
-	if (ep->tx_credit_flow_enabled) {
+	ath10k_htc_release_credit(ep, skb_len);
-		spin_lock_bh(&htc->tx_lock);
-		ep->tx_credits += credits;
-		ath10k_dbg(ar, ATH10K_DBG_HTC,
-			   "htc ep %d reverted %d credits back (total %d)\n",
-			   eid, credits, ep->tx_credits);
-		spin_unlock_bh(&htc->tx_lock);
-
-		if (ep->ep_ops.ep_tx_credits)
-			ep->ep_ops.ep_tx_credits(htc->ar);
-	}
 err_pull:
 	skb_pull(skb, sizeof(struct ath10k_htc_hdr));
 	return ret;
@@ -581,6 +622,278 @@ static u8 ath10k_htc_get_credit_allocation(struct ath10k_htc *htc,
 	return allocation;
 }
 
+static int ath10k_htc_send_bundle(struct ath10k_htc_ep *ep,
+				  struct sk_buff *bundle_skb,
+				  struct sk_buff_head *tx_save_head)
+{
+	struct ath10k_hif_sg_item sg_item;
+	struct ath10k_htc *htc = ep->htc;
+	struct ath10k *ar = htc->ar;
+	struct sk_buff *skb;
+	int ret, cn = 0;
+	unsigned int skb_len;
+
+	ath10k_dbg(ar, ATH10K_DBG_HTC, "bundle skb len %d\n", bundle_skb->len);
+	skb_len = bundle_skb->len;
+	ret = ath10k_htc_consume_credit(ep, skb_len, true);
+
+	if (!ret) {
+		sg_item.transfer_id = ep->eid;
+		sg_item.transfer_context = bundle_skb;
+		sg_item.vaddr = bundle_skb->data;
+		sg_item.len = bundle_skb->len;
+
+		ret = ath10k_hif_tx_sg(htc->ar, ep->ul_pipe_id, &sg_item, 1);
+		if (ret)
+			ath10k_htc_release_credit(ep, skb_len);
+	}
+
+	if (ret)
+		dev_kfree_skb_any(bundle_skb);
+
+	for (cn = 0; (skb = skb_dequeue_tail(tx_save_head)); cn++) {
+		if (ret) {
+			skb_pull(skb, sizeof(struct ath10k_htc_hdr));
+			skb_queue_head(&ep->tx_req_head, skb);
+		} else {
+			skb_queue_tail(&ep->tx_complete_head, skb);
+		}
+	}
+
+	if (!ret)
+		queue_work(ar->workqueue_tx_complete, &ar->tx_complete_work);
+
+	ath10k_dbg(ar, ATH10K_DBG_HTC,
+		   "bundle tx status %d eid %d req count %d count %d len %d\n",
+		   ret, ep->eid, skb_queue_len(&ep->tx_req_head), cn, bundle_skb->len);
+	return ret;
+}
+
+static void ath10k_htc_send_one_skb(struct ath10k_htc_ep *ep, struct sk_buff *skb)
+{
+	struct ath10k_htc *htc = ep->htc;
+	struct ath10k *ar = htc->ar;
+	int ret;
+
+	ret = ath10k_htc_send(htc, ep->eid, skb);
+
+	if (ret)
+		skb_queue_head(&ep->tx_req_head, skb);
+
+	ath10k_dbg(ar, ATH10K_DBG_HTC, "tx one status %d eid %d len %d pending count %d\n",
+		   ret, ep->eid, skb->len, skb_queue_len(&ep->tx_req_head));
+}
+
+static int ath10k_htc_send_bundle_skbs(struct ath10k_htc_ep *ep)
+{
+	struct ath10k_htc *htc = ep->htc;
+	struct sk_buff *bundle_skb, *skb;
+	struct sk_buff_head tx_save_head;
+	struct ath10k_htc_hdr *hdr;
+	u8 *bundle_buf;
+	int ret = 0, credit_pad, credit_remainder, trans_len, bundles_left = 0;
+
+	if (htc->ar->state == ATH10K_STATE_WEDGED)
+		return -ECOMM;
+
+	if (ep->tx_credit_flow_enabled &&
+	    ep->tx_credits < ATH10K_MIN_CREDIT_PER_HTC_TX_BUNDLE)
+		return 0;
+
+	bundles_left = ATH10K_MAX_MSG_PER_HTC_TX_BUNDLE * ep->tx_credit_size;
+	bundle_skb = dev_alloc_skb(bundles_left);
+
+	if (!bundle_skb)
+		return -ENOMEM;
+
+	bundle_buf = bundle_skb->data;
+	skb_queue_head_init(&tx_save_head);
+
+	while (true) {
+		skb = skb_dequeue(&ep->tx_req_head);
+		if (!skb)
+			break;
+
+		credit_pad = 0;
+		trans_len = skb->len + sizeof(*hdr);
+		credit_remainder = trans_len % ep->tx_credit_size;
+
+		if (credit_remainder != 0) {
+			credit_pad = ep->tx_credit_size - credit_remainder;
+			trans_len += credit_pad;
+		}
+
+		ret = ath10k_htc_consume_credit(ep,
+						bundle_buf + trans_len - bundle_skb->data,
+						false);
+		if (ret) {
+			skb_queue_head(&ep->tx_req_head, skb);
+			break;
+		}
+
+		if (bundles_left < trans_len) {
+			bundle_skb->len = bundle_buf - bundle_skb->data;
+			ret = ath10k_htc_send_bundle(ep, bundle_skb, &tx_save_head);
+
+			if (ret) {
+				skb_queue_head(&ep->tx_req_head, skb);
+				return ret;
+			}
+
+			if (skb_queue_len(&ep->tx_req_head) == 0) {
+				ath10k_htc_send_one_skb(ep, skb);
+				return ret;
+			}
+
+			if (ep->tx_credit_flow_enabled &&
+			    ep->tx_credits < ATH10K_MIN_CREDIT_PER_HTC_TX_BUNDLE) {
+				skb_queue_head(&ep->tx_req_head, skb);
+				return 0;
+			}
+
+			bundles_left =
+				ATH10K_MAX_MSG_PER_HTC_TX_BUNDLE * ep->tx_credit_size;
+			bundle_skb = dev_alloc_skb(bundles_left);
+
+			if (!bundle_skb) {
+				skb_queue_head(&ep->tx_req_head, skb);
+				return -ENOMEM;
+			}
+			bundle_buf = bundle_skb->data;
+			skb_queue_head_init(&tx_save_head);
+		}
+
+		skb_push(skb, sizeof(struct ath10k_htc_hdr));
+		ath10k_htc_prepare_tx_skb(ep, skb);
+
+		memcpy(bundle_buf, skb->data, skb->len);
+		hdr = (struct ath10k_htc_hdr *)bundle_buf;
+		hdr->flags |= ATH10K_HTC_FLAG_SEND_BUNDLE;
+		hdr->pad_len = __cpu_to_le16(credit_pad);
+		bundle_buf += trans_len;
+		bundles_left -= trans_len;
+		skb_queue_tail(&tx_save_head, skb);
+	}
+
+	if (bundle_buf != bundle_skb->data) {
+		bundle_skb->len = bundle_buf - bundle_skb->data;
+		ret = ath10k_htc_send_bundle(ep, bundle_skb, &tx_save_head);
+	} else {
+		dev_kfree_skb_any(bundle_skb);
+	}
+
+	return ret;
+}
+
+static void ath10k_htc_bundle_tx_work(struct work_struct *work)
+{
+	struct ath10k *ar = container_of(work, struct ath10k, bundle_tx_work);
+	struct ath10k_htc_ep *ep;
+	struct sk_buff *skb;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ar->htc.endpoint); i++) {
+		ep = &ar->htc.endpoint[i];
+
+		if (!ep->bundle_tx)
+			continue;
+
+		ath10k_dbg(ar, ATH10K_DBG_HTC, "bundle tx work eid %d count %d\n",
+			   ep->eid, skb_queue_len(&ep->tx_req_head));
+
+		if (skb_queue_len(&ep->tx_req_head) >=
+		    ATH10K_MIN_MSG_PER_HTC_TX_BUNDLE) {
+			ath10k_htc_send_bundle_skbs(ep);
+		} else {
+			skb = skb_dequeue(&ep->tx_req_head);
+
+			if (!skb)
+				continue;
+			ath10k_htc_send_one_skb(ep, skb);
+		}
+	}
+}
+
+static void ath10k_htc_tx_complete_work(struct work_struct *work)
+{
+	struct ath10k *ar = container_of(work, struct ath10k, tx_complete_work);
+	struct ath10k_htc_ep *ep;
+	enum ath10k_htc_ep_id eid;
+	struct sk_buff *skb;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ar->htc.endpoint); i++) {
+		ep = &ar->htc.endpoint[i];
+		eid = ep->eid;
+		if (ep->bundle_tx && eid == ar->htt.eid) {
+			ath10k_dbg(ar, ATH10K_DBG_HTC, "bundle tx complete eid %d pending complete count%d\n",
+				   ep->eid, skb_queue_len(&ep->tx_complete_head));
+
+			while (true) {
+				skb = skb_dequeue(&ep->tx_complete_head);
+				if (!skb)
+					break;
+				ath10k_htc_notify_tx_completion(ep, skb);
+			}
+		}
+	}
+}
+
+int ath10k_htc_send_hl(struct ath10k_htc *htc,
+		       enum ath10k_htc_ep_id eid,
+		       struct sk_buff *skb)
+{
+	struct ath10k_htc_ep *ep = &htc->endpoint[eid];
+	struct ath10k *ar = htc->ar;
+
+	if (sizeof(struct ath10k_htc_hdr) + skb->len > ep->tx_credit_size) {
+		ath10k_dbg(ar, ATH10K_DBG_HTC, "tx exceed max len %d\n", skb->len);
+		return -ENOMEM;
+	}
+
+	ath10k_dbg(ar, ATH10K_DBG_HTC, "htc send hl eid %d bundle %d tx count %d len %d\n",
+		   eid, ep->bundle_tx, skb_queue_len(&ep->tx_req_head), skb->len);
+
+	if (ep->bundle_tx) {
+		skb_queue_tail(&ep->tx_req_head, skb);
+		queue_work(ar->workqueue, &ar->bundle_tx_work);
+		return 0;
+	} else {
+		return ath10k_htc_send(htc, eid, skb);
+	}
+}
+
+void ath10k_htc_setup_tx_req(struct ath10k_htc_ep *ep)
+{
+	if (ep->htc->max_msgs_per_htc_bundle >= ATH10K_MIN_MSG_PER_HTC_TX_BUNDLE &&
+	    !ep->bundle_tx) {
+		ep->bundle_tx = true;
+		skb_queue_head_init(&ep->tx_req_head);
+		skb_queue_head_init(&ep->tx_complete_head);
+	}
+}
+
+void ath10k_htc_stop_hl(struct ath10k *ar)
+{
+	struct ath10k_htc_ep *ep;
+	int i;
+
+	cancel_work_sync(&ar->bundle_tx_work);
+	cancel_work_sync(&ar->tx_complete_work);
+
+	for (i = 0; i < ARRAY_SIZE(ar->htc.endpoint); i++) {
+		ep = &ar->htc.endpoint[i];
+
+		if (!ep->bundle_tx)
+			continue;
+
+		ath10k_dbg(ar, ATH10K_DBG_HTC, "stop tx work eid %d count %d\n",
+			   ep->eid, skb_queue_len(&ep->tx_req_head));
+
+		skb_queue_purge(&ep->tx_req_head);
+	}
+}
+
 int ath10k_htc_wait_target(struct ath10k_htc *htc)
 {
 	struct ath10k *ar = htc->ar;
@@ -649,14 +962,21 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
 	 */
 	if (htc->control_resp_len >=
 	    sizeof(msg->hdr) + sizeof(msg->ready_ext)) {
+		htc->alt_data_credit_size =
+			__le16_to_cpu(msg->ready_ext.reserved) &
+			ATH10K_HTC_MSG_READY_EXT_ALT_DATA_MASK;
 		htc->max_msgs_per_htc_bundle =
 			min_t(u8, msg->ready_ext.max_msgs_per_htc_bundle,
 			      HTC_HOST_MAX_MSG_PER_RX_BUNDLE);
 		ath10k_dbg(ar, ATH10K_DBG_HTC,
-			   "Extended ready message. RX bundle size: %d\n",
+			   "Extended ready message RX bundle size %d alt size %d\n",
-			   htc->max_msgs_per_htc_bundle);
+			   htc->max_msgs_per_htc_bundle,
+			   htc->alt_data_credit_size);
 	}
 
+	INIT_WORK(&ar->bundle_tx_work, ath10k_htc_bundle_tx_work);
+	INIT_WORK(&ar->tx_complete_work, ath10k_htc_tx_complete_work);
+
 	return 0;
 }
 
@@ -801,6 +1121,11 @@ int ath10k_htc_connect_service(struct ath10k_htc *htc,
 	ep->max_tx_queue_depth = conn_req->max_send_queue_depth;
 	ep->max_ep_message_len = __le16_to_cpu(resp_msg->max_msg_size);
 	ep->tx_credits = tx_alloc;
+	ep->tx_credit_size = htc->target_credit_size;
+
+	if (conn_req->service_id == ATH10K_HTC_SVC_ID_HTT_DATA_MSG &&
+	    htc->alt_data_credit_size != 0)
+		ep->tx_credit_size = htc->alt_data_credit_size;
 
 	/* copy all the callbacks */
 	ep->ep_ops = conn_req->ep_ops;

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

@@ -83,8 +83,14 @@ struct ath10k_htc_hdr {
 		u8 seq_no; /* for tx */
 		u8 control_byte1;
 	} __packed;
-	u8 pad0;
+	union {
-	u8 pad1;
+		__le16 pad_len;
+		struct {
+			u8 pad0;
+			u8 pad1;
+		} __packed;
+	} __packed;
+
 } __packed __aligned(4);
 
 enum ath10k_ath10k_htc_msg_id {
@@ -113,6 +119,8 @@ enum ath10k_htc_conn_flags {
 #define ATH10K_HTC_CONN_FLAGS_RECV_ALLOC_LSB  8
 };
 
+#define ATH10K_HTC_MSG_READY_EXT_ALT_DATA_MASK 0xFFF
+
 enum ath10k_htc_conn_svc_status {
 	ATH10K_HTC_CONN_SVC_STATUS_SUCCESS      = 0,
 	ATH10K_HTC_CONN_SVC_STATUS_NOT_FOUND    = 1,
@@ -121,6 +129,10 @@ enum ath10k_htc_conn_svc_status {
 	ATH10K_HTC_CONN_SVC_STATUS_NO_MORE_EP   = 4
 };
 
+#define ATH10K_MAX_MSG_PER_HTC_TX_BUNDLE        32
+#define ATH10K_MIN_MSG_PER_HTC_TX_BUNDLE        2
+#define ATH10K_MIN_CREDIT_PER_HTC_TX_BUNDLE     2
+
 enum ath10k_htc_setup_complete_flags {
 	ATH10K_HTC_SETUP_COMPLETE_FLAGS_RX_BNDL_EN = 1
 };
@@ -145,8 +157,14 @@ struct ath10k_htc_ready_extended {
 	struct ath10k_htc_ready base;
 	u8 htc_version; /* @enum ath10k_htc_version */
 	u8 max_msgs_per_htc_bundle;
-	u8 pad0;
+	union {
-	u8 pad1;
+		__le16 reserved;
+		struct {
+			u8 pad0;
+			u8 pad1;
+		} __packed;
+	} __packed;
+
 } __packed;
 
 struct ath10k_htc_conn_svc {
@@ -353,7 +371,12 @@ struct ath10k_htc_ep {
 
 	u8 seq_no; /* for debugging */
 	int tx_credits;
+	int tx_credit_size;
 	bool tx_credit_flow_enabled;
+	bool bundle_tx;
+	struct sk_buff_head tx_req_head;
+	struct sk_buff_head tx_complete_head;
+
 };
 
 struct ath10k_htc_svc_tx_credits {
@@ -378,10 +401,12 @@ struct ath10k_htc {
 	int total_transmit_credits;
 	int target_credit_size;
 	u8 max_msgs_per_htc_bundle;
+	int alt_data_credit_size;
 };
 
 int ath10k_htc_init(struct ath10k *ar);
 int ath10k_htc_wait_target(struct ath10k_htc *htc);
+void ath10k_htc_setup_tx_req(struct ath10k_htc_ep *ep);
 int ath10k_htc_start(struct ath10k_htc *htc);
 int ath10k_htc_connect_service(struct ath10k_htc *htc,
 			       struct ath10k_htc_svc_conn_req  *conn_req,
@@ -391,6 +416,10 @@ void ath10k_htc_change_tx_credit_flow(struct ath10k_htc *htc,
 				      bool enable);
 int ath10k_htc_send(struct ath10k_htc *htc, enum ath10k_htc_ep_id eid,
 		    struct sk_buff *packet);
+void ath10k_htc_stop_hl(struct ath10k *ar);
+
+int ath10k_htc_send_hl(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);

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

@@ -135,6 +135,8 @@ int ath10k_htt_connect(struct ath10k_htt *htt)
 {
 	struct ath10k_htc_svc_conn_req conn_req;
 	struct ath10k_htc_svc_conn_resp conn_resp;
+	struct ath10k *ar = htt->ar;
+	struct ath10k_htc_ep *ep;
 	int status;
 
 	memset(&conn_req, 0, sizeof(conn_req));
@@ -142,6 +144,7 @@ int ath10k_htt_connect(struct ath10k_htt *htt)
 
 	conn_req.ep_ops.ep_tx_complete = ath10k_htt_htc_tx_complete;
 	conn_req.ep_ops.ep_rx_complete = ath10k_htt_htc_t2h_msg_handler;
+	conn_req.ep_ops.ep_tx_credits = ath10k_htt_op_ep_tx_credits;
 
 	/* connect to control service */
 	conn_req.service_id = ATH10K_HTC_SVC_ID_HTT_DATA_MSG;
@@ -154,6 +157,11 @@ int ath10k_htt_connect(struct ath10k_htt *htt)
 
 	htt->eid = conn_resp.eid;
 
+	if (ar->bus_param.dev_type == ATH10K_DEV_TYPE_HL) {
+		ep = &ar->htc.endpoint[htt->eid];
+		ath10k_htc_setup_tx_req(ep);
+	}
+
 	htt->disable_tx_comp = ath10k_hif_get_htt_tx_complete(htt->ar);
 	if (htt->disable_tx_comp)
 		ath10k_htc_change_tx_credit_flow(&htt->ar->htc, htt->eid, true);

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

@@ -2032,6 +2032,9 @@ struct ath10k_htt {
 	const struct ath10k_htt_tx_ops *tx_ops;
 	const struct ath10k_htt_rx_ops *rx_ops;
 	bool disable_tx_comp;
+	bool bundle_tx;
+	struct sk_buff_head tx_req_head;
+	struct sk_buff_head tx_complete_head;
 };
 
 struct ath10k_htt_tx_ops {
@@ -2046,6 +2049,7 @@ struct ath10k_htt_tx_ops {
 	int (*htt_h2t_aggr_cfg_msg)(struct ath10k_htt *htt,
 				    u8 max_subfrms_ampdu,
 				    u8 max_subfrms_amsdu);
+	void (*htt_flush_tx)(struct ath10k_htt *htt);
 };
 
 static inline int ath10k_htt_send_rx_ring_cfg(struct ath10k_htt *htt)
@@ -2085,6 +2089,12 @@ static inline int ath10k_htt_tx(struct ath10k_htt *htt,
 	return htt->tx_ops->htt_tx(htt, txmode, msdu);
 }
 
+static inline void ath10k_htt_flush_tx(struct ath10k_htt *htt)
+{
+	if (htt->tx_ops->htt_flush_tx)
+		htt->tx_ops->htt_flush_tx(htt);
+}
+
 static inline int ath10k_htt_alloc_txbuff(struct ath10k_htt *htt)
 {
 	if (!htt->tx_ops->htt_alloc_txbuff)
@@ -2278,6 +2288,7 @@ int ath10k_htt_tx_fetch_resp(struct ath10k *ar,
 			     __le16 fetch_seq_num,
 			     struct htt_tx_fetch_record *records,
 			     size_t num_records);
+void ath10k_htt_op_ep_tx_credits(struct ath10k *ar);
 
 void ath10k_htt_tx_txq_update(struct ieee80211_hw *hw,
 			      struct ieee80211_txq *txq);

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

@@ -3574,6 +3574,13 @@ ath10k_update_per_peer_tx_stats(struct ath10k *ar,
 		ieee80211_tx_rate_update(ar->hw, sta, &arsta->tx_info);
 	}
 
+	if (ar->htt.disable_tx_comp) {
+		arsta->tx_retries += peer_stats->retry_pkts;
+		arsta->tx_failed += peer_stats->failed_pkts;
+		ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx retries %d tx failed %d\n",
+			   arsta->tx_retries, arsta->tx_failed);
+	}
+
 	if (ath10k_debug_is_extd_tx_stats_enabled(ar))
 		ath10k_accumulate_per_peer_tx_stats(ar, arsta, peer_stats,
 						    rate_idx);
@@ -3919,6 +3926,7 @@ bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 			ath10k_dbg(ar, ATH10K_DBG_HTT,
 				   "htt credit total %d\n",
 				   ep->tx_credits);
+			ep->ep_ops.ep_tx_credits(htc->ar);
 		}
 		break;
 	}

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

@@ -529,9 +529,15 @@ void ath10k_htt_tx_destroy(struct ath10k_htt *htt)
 	htt->tx_mem_allocated = false;
 }
 
+static void ath10k_htt_flush_tx_queue(struct ath10k_htt *htt)
+{
+	ath10k_htc_stop_hl(htt->ar);
+	idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
+}
+
 void ath10k_htt_tx_stop(struct ath10k_htt *htt)
 {
-	idr_for_each(&htt->pending_tx, ath10k_htt_tx_clean_up_pending, htt->ar);
+	ath10k_htt_flush_tx_queue(htt);
 	idr_destroy(&htt->pending_tx);
 }
 
@@ -541,6 +547,11 @@ void ath10k_htt_tx_free(struct ath10k_htt *htt)
 	ath10k_htt_tx_destroy(htt);
 }
 
+void ath10k_htt_op_ep_tx_credits(struct ath10k *ar)
+{
+	queue_work(ar->workqueue, &ar->bundle_tx_work);
+}
+
 void ath10k_htt_htc_tx_complete(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct ath10k_htt *htt = &ar->htt;
@@ -1379,7 +1390,7 @@ static int ath10k_htt_tx_hl(struct ath10k_htt *htt, enum ath10k_hw_txrx_mode txm
 	 */
 	tx_desc->peerid = __cpu_to_le32(HTT_INVALID_PEERID);
 
-	res = ath10k_htc_send(&htt->ar->htc, htt->eid, msdu);
+	res = ath10k_htc_send_hl(&htt->ar->htc, htt->eid, msdu);
 
 out:
 	return res;
@@ -1819,6 +1830,7 @@ static const struct ath10k_htt_tx_ops htt_tx_ops_hl = {
 	.htt_send_frag_desc_bank_cfg = ath10k_htt_send_frag_desc_bank_cfg_32,
 	.htt_tx = ath10k_htt_tx_hl,
 	.htt_h2t_aggr_cfg_msg = ath10k_htt_h2t_aggr_cfg_msg_32,
+	.htt_flush_tx = ath10k_htt_flush_tx_queue,
 };
 
 void ath10k_htt_set_tx_ops(struct ath10k_htt *htt)

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

@@ -623,6 +623,9 @@ struct ath10k_hw_params {
 
 	/* tx stats support over pktlog */
 	bool tx_stats_over_pktlog;
+
+	/* provides bitrates for sta_statistics using WMI_TLV_PEER_STATS_INFO_EVENTID */
+	bool supports_peer_stats_info;
 };
 
 struct htt_rx_desc;

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

@@ -2959,6 +2959,11 @@ static void ath10k_bss_assoc(struct ieee80211_hw *hw,
 	arvif->aid = bss_conf->aid;
 	ether_addr_copy(arvif->bssid, bss_conf->bssid);
 
+	ret = ath10k_wmi_pdev_set_param(ar,
+					ar->wmi.pdev_param->peer_stats_info_enable, 1);
+	if (ret)
+		ath10k_warn(ar, "failed to enable peer stats info: %d\n", ret);
+
 	ret = ath10k_wmi_vdev_up(ar, arvif->vdev_id, arvif->aid, arvif->bssid);
 	if (ret) {
 		ath10k_warn(ar, "failed to set vdev %d up: %d\n",
@@ -4529,17 +4534,18 @@ static int ath10k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
 	return 0;
 }
 
-static void ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
+static bool ath10k_check_chain_mask(struct ath10k *ar, u32 cm, const char *dbg)
 {
 	/* It is not clear that allowing gaps in chainmask
 	 * is helpful.  Probably it will not do what user
 	 * is hoping for, so warn in that case.
 	 */
 	if (cm == 15 || cm == 7 || cm == 3 || cm == 1 || cm == 0)
-		return;
+		return true;
 
-	ath10k_warn(ar, "mac %s antenna chainmask may be invalid: 0x%x.  Suggested values: 15, 7, 3, 1 or 0.\n",
+	ath10k_warn(ar, "mac %s antenna chainmask is invalid: 0x%x.  Suggested values: 15, 7, 3, 1 or 0.\n",
 		    dbg, cm);
+	return false;
 }
 
 static int ath10k_mac_get_vht_cap_bf_sts(struct ath10k *ar)
@@ -4722,11 +4728,15 @@ static void ath10k_mac_setup_ht_vht_cap(struct ath10k *ar)
 static int __ath10k_set_antenna(struct ath10k *ar, u32 tx_ant, u32 rx_ant)
 {
 	int ret;
+	bool is_valid_tx_chain_mask, is_valid_rx_chain_mask;
 
 	lockdep_assert_held(&ar->conf_mutex);
 
-	ath10k_check_chain_mask(ar, tx_ant, "tx");
+	is_valid_tx_chain_mask = ath10k_check_chain_mask(ar, tx_ant, "tx");
-	ath10k_check_chain_mask(ar, rx_ant, "rx");
+	is_valid_rx_chain_mask = ath10k_check_chain_mask(ar, rx_ant, "rx");
+
+	if (!is_valid_tx_chain_mask || !is_valid_rx_chain_mask)
+		return -EINVAL;
 
 	ar->cfg_tx_chainmask = tx_ant;
 	ar->cfg_rx_chainmask = rx_ant;
@@ -7224,6 +7234,7 @@ static void ath10k_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 					ath10k_wmi_peer_flush(ar, arvif->vdev_id,
 							      arvif->bssid, bitmap);
 			}
+			ath10k_htt_flush_tx(&ar->htt);
 		}
 		return;
 	}
@@ -8294,6 +8305,215 @@ static void ath10k_mac_op_sta_pre_rcu_remove(struct ieee80211_hw *hw,
 			peer->removed = true;
 }
 
+/* HT MCS parameters with Nss = 1 */
+static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss1[] = {
+	/* MCS  L20   L40   S20  S40 */
+	{0,  { 65,  135,  72,  150} },
+	{1,  { 130, 270,  144, 300} },
+	{2,  { 195, 405,  217, 450} },
+	{3,  { 260, 540,  289, 600} },
+	{4,  { 390, 810,  433, 900} },
+	{5,  { 520, 1080, 578, 1200} },
+	{6,  { 585, 1215, 650, 1350} },
+	{7,  { 650, 1350, 722, 1500} }
+};
+
+/* HT MCS parameters with Nss = 2 */
+static const struct ath10k_index_ht_data_rate_type supported_ht_mcs_rate_nss2[] = {
+	/* MCS  L20    L40   S20   S40 */
+	{0,  {130,  270,  144,  300} },
+	{1,  {260,  540,  289,  600} },
+	{2,  {390,  810,  433,  900} },
+	{3,  {520,  1080, 578,  1200} },
+	{4,  {780,  1620, 867,  1800} },
+	{5,  {1040, 2160, 1156, 2400} },
+	{6,  {1170, 2430, 1300, 2700} },
+	{7,  {1300, 2700, 1444, 3000} }
+};
+
+/* MCS parameters with Nss = 1 */
+static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss1[] = {
+	/* MCS  L80    S80     L40   S40    L20   S20 */
+	{0,  {293,  325},  {135,  150},  {65,   72} },
+	{1,  {585,  650},  {270,  300},  {130,  144} },
+	{2,  {878,  975},  {405,  450},  {195,  217} },
+	{3,  {1170, 1300}, {540,  600},  {260,  289} },
+	{4,  {1755, 1950}, {810,  900},  {390,  433} },
+	{5,  {2340, 2600}, {1080, 1200}, {520,  578} },
+	{6,  {2633, 2925}, {1215, 1350}, {585,  650} },
+	{7,  {2925, 3250}, {1350, 1500}, {650,  722} },
+	{8,  {3510, 3900}, {1620, 1800}, {780,  867} },
+	{9,  {3900, 4333}, {1800, 2000}, {780,  867} }
+};
+
+/*MCS parameters with Nss = 2 */
+static const struct ath10k_index_vht_data_rate_type supported_vht_mcs_rate_nss2[] = {
+	/* MCS  L80    S80     L40   S40    L20   S20 */
+	{0,  {585,  650},  {270,  300},  {130,  144} },
+	{1,  {1170, 1300}, {540,  600},  {260,  289} },
+	{2,  {1755, 1950}, {810,  900},  {390,  433} },
+	{3,  {2340, 2600}, {1080, 1200}, {520,  578} },
+	{4,  {3510, 3900}, {1620, 1800}, {780,  867} },
+	{5,  {4680, 5200}, {2160, 2400}, {1040, 1156} },
+	{6,  {5265, 5850}, {2430, 2700}, {1170, 1300} },
+	{7,  {5850, 6500}, {2700, 3000}, {1300, 1444} },
+	{8,  {7020, 7800}, {3240, 3600}, {1560, 1733} },
+	{9,  {7800, 8667}, {3600, 4000}, {1560, 1733} }
+};
+
+static void ath10k_mac_get_rate_flags_ht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs,
+					 u8 *flags, u8 *bw)
+{
+	struct ath10k_index_ht_data_rate_type *mcs_rate;
+
+	mcs_rate = (struct ath10k_index_ht_data_rate_type *)
+		   ((nss == 1) ? &supported_ht_mcs_rate_nss1 :
+		   &supported_ht_mcs_rate_nss2);
+
+	if (rate == mcs_rate[mcs].supported_rate[0]) {
+		*bw = RATE_INFO_BW_20;
+	} else if (rate == mcs_rate[mcs].supported_rate[1]) {
+		*bw |= RATE_INFO_BW_40;
+	} else if (rate == mcs_rate[mcs].supported_rate[2]) {
+		*bw |= RATE_INFO_BW_20;
+		*flags |= RATE_INFO_FLAGS_SHORT_GI;
+	} else if (rate == mcs_rate[mcs].supported_rate[3]) {
+		*bw |= RATE_INFO_BW_40;
+		*flags |= RATE_INFO_FLAGS_SHORT_GI;
+	} else {
+		ath10k_warn(ar, "invalid ht params rate %d 100kbps nss %d mcs %d",
+			    rate, nss, mcs);
+	}
+}
+
+static void ath10k_mac_get_rate_flags_vht(struct ath10k *ar, u32 rate, u8 nss, u8 mcs,
+					  u8 *flags, u8 *bw)
+{
+	struct ath10k_index_vht_data_rate_type *mcs_rate;
+
+	mcs_rate = (struct ath10k_index_vht_data_rate_type *)
+		   ((nss == 1) ? &supported_vht_mcs_rate_nss1 :
+		   &supported_vht_mcs_rate_nss2);
+
+	if (rate == mcs_rate[mcs].supported_VHT80_rate[0]) {
+		*bw = RATE_INFO_BW_80;
+	} else if (rate == mcs_rate[mcs].supported_VHT80_rate[1]) {
+		*bw = RATE_INFO_BW_80;
+		*flags |= RATE_INFO_FLAGS_SHORT_GI;
+	} else if (rate == mcs_rate[mcs].supported_VHT40_rate[0]) {
+		*bw = RATE_INFO_BW_40;
+	} else if (rate == mcs_rate[mcs].supported_VHT40_rate[1]) {
+		*bw = RATE_INFO_BW_40;
+		*flags |= RATE_INFO_FLAGS_SHORT_GI;
+	} else if (rate == mcs_rate[mcs].supported_VHT20_rate[0]) {
+		*bw = RATE_INFO_BW_20;
+	} else if (rate == mcs_rate[mcs].supported_VHT20_rate[1]) {
+		*bw = RATE_INFO_BW_20;
+		*flags |= RATE_INFO_FLAGS_SHORT_GI;
+	} else {
+		ath10k_warn(ar, "invalid vht params rate %d 100kbps nss %d mcs %d",
+			    rate, nss, mcs);
+	}
+}
+
+static void ath10k_mac_get_rate_flags(struct ath10k *ar, u32 rate,
+				      enum ath10k_phy_mode mode, u8 nss, u8 mcs,
+				      u8 *flags, u8 *bw)
+{
+	if (mode == ATH10K_PHY_MODE_HT) {
+		*flags = RATE_INFO_FLAGS_MCS;
+		ath10k_mac_get_rate_flags_ht(ar, rate, nss, mcs, flags, bw);
+	} else if (mode == ATH10K_PHY_MODE_VHT) {
+		*flags = RATE_INFO_FLAGS_VHT_MCS;
+		ath10k_mac_get_rate_flags_vht(ar, rate, nss, mcs, flags, bw);
+	}
+}
+
+static void ath10k_mac_parse_bitrate(struct ath10k *ar, u32 rate_code,
+				     u32 bitrate_kbps, struct rate_info *rate)
+{
+	enum ath10k_phy_mode mode = ATH10K_PHY_MODE_LEGACY;
+	enum wmi_rate_preamble preamble = WMI_TLV_GET_HW_RC_PREAM_V1(rate_code);
+	u8 nss = WMI_TLV_GET_HW_RC_NSS_V1(rate_code) + 1;
+	u8 mcs = WMI_TLV_GET_HW_RC_RATE_V1(rate_code);
+	u8 flags = 0, bw = 0;
+
+	if (preamble == WMI_RATE_PREAMBLE_HT)
+		mode = ATH10K_PHY_MODE_HT;
+	else if (preamble == WMI_RATE_PREAMBLE_VHT)
+		mode = ATH10K_PHY_MODE_VHT;
+
+	ath10k_mac_get_rate_flags(ar, bitrate_kbps / 100, mode, nss, mcs, &flags, &bw);
+
+	ath10k_dbg(ar, ATH10K_DBG_MAC,
+		   "mac parse bitrate preamble %d mode %d nss %d mcs %d flags %x bw %d\n",
+		   preamble, mode, nss, mcs, flags, bw);
+
+	rate->flags = flags;
+	rate->bw = bw;
+	rate->legacy = bitrate_kbps / 100;
+	rate->nss = nss;
+	rate->mcs = mcs;
+}
+
+static void ath10k_mac_sta_get_peer_stats_info(struct ath10k *ar,
+					       struct ieee80211_sta *sta,
+					       struct station_info *sinfo)
+{
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	struct ath10k_peer *peer;
+	unsigned long time_left;
+	int ret;
+
+	if (!(ar->hw_params.supports_peer_stats_info &&
+	      arsta->arvif->vdev_type == WMI_VDEV_TYPE_STA))
+		return;
+
+	spin_lock_bh(&ar->data_lock);
+	peer = ath10k_peer_find(ar, arsta->arvif->vdev_id, sta->addr);
+	spin_unlock_bh(&ar->data_lock);
+	if (!peer)
+		return;
+
+	reinit_completion(&ar->peer_stats_info_complete);
+
+	ret = ath10k_wmi_request_peer_stats_info(ar,
+						 arsta->arvif->vdev_id,
+						 WMI_REQUEST_ONE_PEER_STATS_INFO,
+						 arsta->arvif->bssid,
+						 0);
+	if (ret && ret != -EOPNOTSUPP) {
+		ath10k_warn(ar, "could not request peer stats info: %d\n", ret);
+		return;
+	}
+
+	time_left = wait_for_completion_timeout(&ar->peer_stats_info_complete, 3 * HZ);
+	if (time_left == 0) {
+		ath10k_warn(ar, "timed out waiting peer stats info\n");
+		return;
+	}
+
+	if (arsta->rx_rate_code != 0 && arsta->rx_bitrate_kbps != 0) {
+		ath10k_mac_parse_bitrate(ar, arsta->rx_rate_code,
+					 arsta->rx_bitrate_kbps,
+					 &sinfo->rxrate);
+
+		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE);
+		arsta->rx_rate_code = 0;
+		arsta->rx_bitrate_kbps = 0;
+	}
+
+	if (arsta->tx_rate_code != 0 && arsta->tx_bitrate_kbps != 0) {
+		ath10k_mac_parse_bitrate(ar, arsta->tx_rate_code,
+					 arsta->tx_bitrate_kbps,
+					 &sinfo->txrate);
+
+		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+		arsta->tx_rate_code = 0;
+		arsta->tx_bitrate_kbps = 0;
+	}
+}
+
 static void ath10k_sta_statistics(struct ieee80211_hw *hw,
 				  struct ieee80211_vif *vif,
 				  struct ieee80211_sta *sta,
@@ -8305,6 +8525,8 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw,
 	if (!ath10k_peer_stats_enabled(ar))
 		return;
 
+	ath10k_debug_fw_stats_request(ar);
+
 	sinfo->rx_duration = arsta->rx_duration;
 	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION);
 
@@ -8320,6 +8542,15 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw,
 	}
 	sinfo->txrate.flags = arsta->txrate.flags;
 	sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE);
+
+	if (ar->htt.disable_tx_comp) {
+		sinfo->tx_retries = arsta->tx_retries;
+		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_RETRIES);
+		sinfo->tx_failed = arsta->tx_failed;
+		sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED);
+	}
+
+	ath10k_mac_sta_get_peer_stats_info(ar, sta, sinfo);
 }
 
 static const struct ieee80211_ops ath10k_ops = {
@@ -8957,7 +9188,6 @@ int ath10k_mac_register(struct ath10k *ar)
 	ar->hw->wiphy->max_scan_ie_len = WLAN_SCAN_PARAMS_MAX_IE_LEN;
 
 	if (test_bit(WMI_SERVICE_NLO, ar->wmi.svc_map)) {
-		ar->hw->wiphy->max_sched_scan_reqs = 1;
 		ar->hw->wiphy->max_sched_scan_ssids = WMI_PNO_MAX_SUPP_NETWORKS;
 		ar->hw->wiphy->max_match_sets = WMI_PNO_MAX_SUPP_NETWORKS;
 		ar->hw->wiphy->max_sched_scan_ie_len = WMI_PNO_MAX_IE_LENGTH;

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

@@ -116,7 +116,7 @@ static void ath10k_pci_htt_rx_cb(struct ath10k_ce_pipe *ce_state);
 static void ath10k_pci_htt_htc_rx_cb(struct ath10k_ce_pipe *ce_state);
 static void ath10k_pci_pktlog_rx_cb(struct ath10k_ce_pipe *ce_state);
 
-static struct ce_attr host_ce_config_wlan[] = {
+static const struct ce_attr pci_host_ce_config_wlan[] = {
 	/* CE0: host->target HTC control and raw streams */
 	{
 		.flags = CE_ATTR_FLAGS,
@@ -222,7 +222,7 @@ static struct ce_attr host_ce_config_wlan[] = {
 };
 
 /* Target firmware's Copy Engine configuration. */
-static struct ce_pipe_config target_ce_config_wlan[] = {
+static const struct ce_pipe_config pci_target_ce_config_wlan[] = {
 	/* CE0: host->target HTC control and raw streams */
 	{
 		.pipenum = __cpu_to_le32(0),
@@ -335,7 +335,7 @@ static struct ce_pipe_config target_ce_config_wlan[] = {
  * This table is derived from the CE_PCI TABLE, above.
  * It is passed to the Target at startup for use by firmware.
  */
-static struct service_to_pipe target_service_to_ce_map_wlan[] = {
+static const struct ce_service_to_pipe pci_target_service_to_ce_map_wlan[] = {
 	{
 		__cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO),
 		__cpu_to_le32(PIPEDIR_OUT),	/* out = UL = host -> target */
@@ -1787,6 +1787,8 @@ static void ath10k_pci_fw_crashed_dump(struct ath10k *ar)
 void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
 					int force)
 {
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
 	ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif send complete check\n");
 
 	if (!force) {
@@ -1804,7 +1806,7 @@ void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
 		 * If at least 50% of the total resources are still available,
 		 * don't bother checking again yet.
 		 */
-		if (resources > (host_ce_config_wlan[pipe].src_nentries >> 1))
+		if (resources > (ar_pci->attr[pipe].src_nentries >> 1))
 			return;
 	}
 	ath10k_ce_per_engine_service(ar, pipe);
@@ -1820,14 +1822,15 @@ static void ath10k_pci_rx_retry_sync(struct ath10k *ar)
 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;
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+	const struct ce_service_to_pipe *entry;
 	bool ul_set = false, dl_set = false;
 	int i;
 
 	ath10k_dbg(ar, ATH10K_DBG_PCI, "pci hif map service\n");
 
-	for (i = 0; i < ARRAY_SIZE(target_service_to_ce_map_wlan); i++) {
+	for (i = 0; i < ARRAY_SIZE(pci_target_service_to_ce_map_wlan); i++) {
-		entry = &target_service_to_ce_map_wlan[i];
+		entry = &ar_pci->serv_to_pipe[i];
 
 		if (__le32_to_cpu(entry->service_id) != service_id)
 			continue;
@@ -2316,6 +2319,7 @@ static int ath10k_bus_get_num_banks(struct ath10k *ar)
 
 int ath10k_pci_init_config(struct ath10k *ar)
 {
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	u32 interconnect_targ_addr;
 	u32 pcie_state_targ_addr = 0;
 	u32 pipe_cfg_targ_addr = 0;
@@ -2361,7 +2365,7 @@ int ath10k_pci_init_config(struct ath10k *ar)
 	}
 
 	ret = ath10k_pci_diag_write_mem(ar, pipe_cfg_targ_addr,
-					target_ce_config_wlan,
+					ar_pci->pipe_config,
 					sizeof(struct ce_pipe_config) *
 					NUM_TARGET_CE_CONFIG_WLAN);
 
@@ -2386,8 +2390,8 @@ int ath10k_pci_init_config(struct ath10k *ar)
 	}
 
 	ret = ath10k_pci_diag_write_mem(ar, svc_to_pipe_map,
-					target_service_to_ce_map_wlan,
+					ar_pci->serv_to_pipe,
-					sizeof(target_service_to_ce_map_wlan));
+					sizeof(pci_target_service_to_ce_map_wlan));
 	if (ret != 0) {
 		ath10k_err(ar, "Failed to write svc/pipe map: %d\n", ret);
 		return ret;
@@ -2459,23 +2463,24 @@ static void ath10k_pci_override_ce_config(struct ath10k *ar)
 {
 	struct ce_attr *attr;
 	struct ce_pipe_config *config;
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 
 	/* For QCA6174 we're overriding the Copy Engine 5 configuration,
 	 * since it is currently used for other feature.
 	 */
 
 	/* Override Host's Copy Engine 5 configuration */
-	attr = &host_ce_config_wlan[5];
+	attr = &ar_pci->attr[5];
 	attr->src_sz_max = 0;
 	attr->dest_nentries = 0;
 
 	/* Override Target firmware's Copy Engine configuration */
-	config = &target_ce_config_wlan[5];
+	config = &ar_pci->pipe_config[5];
 	config->pipedir = __cpu_to_le32(PIPEDIR_OUT);
 	config->nbytes_max = __cpu_to_le32(2048);
 
 	/* Map from service/endpoint to Copy Engine */
-	target_service_to_ce_map_wlan[15].pipenum = __cpu_to_le32(1);
+	ar_pci->serv_to_pipe[15].pipenum = __cpu_to_le32(1);
 }
 
 int ath10k_pci_alloc_pipes(struct ath10k *ar)
@@ -2491,7 +2496,7 @@ 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]);
+		ret = ath10k_ce_alloc_pipe(ar, i, &ar_pci->attr[i]);
 		if (ret) {
 			ath10k_err(ar, "failed to allocate copy engine pipe %d: %d\n",
 				   i, ret);
@@ -2504,7 +2509,7 @@ int ath10k_pci_alloc_pipes(struct ath10k *ar)
 			continue;
 		}
 
-		pipe->buf_sz = (size_t)(host_ce_config_wlan[i].src_sz_max);
+		pipe->buf_sz = (size_t)(ar_pci->attr[i].src_sz_max);
 	}
 
 	return 0;
@@ -2520,10 +2525,11 @@ void ath10k_pci_free_pipes(struct ath10k *ar)
 
 int ath10k_pci_init_pipes(struct ath10k *ar)
 {
+	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	int i, ret;
 
 	for (i = 0; i < CE_COUNT; i++) {
-		ret = ath10k_ce_init_pipe(ar, i, &host_ce_config_wlan[i]);
+		ret = ath10k_ce_init_pipe(ar, i, &ar_pci->attr[i]);
 		if (ret) {
 			ath10k_err(ar, "failed to initialize copy engine pipe %d: %d\n",
 				   i, ret);
@@ -3595,6 +3601,30 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 
 	timer_setup(&ar_pci->ps_timer, ath10k_pci_ps_timer, 0);
 
+	ar_pci->attr = kmemdup(pci_host_ce_config_wlan,
+			       sizeof(pci_host_ce_config_wlan),
+			       GFP_KERNEL);
+	if (!ar_pci->attr) {
+		ret = -ENOMEM;
+		goto err_free;
+	}
+
+	ar_pci->pipe_config = kmemdup(pci_target_ce_config_wlan,
+				      sizeof(pci_target_ce_config_wlan),
+				      GFP_KERNEL);
+	if (!ar_pci->pipe_config) {
+		ret = -ENOMEM;
+		goto err_free;
+	}
+
+	ar_pci->serv_to_pipe = kmemdup(pci_target_service_to_ce_map_wlan,
+				       sizeof(pci_target_service_to_ce_map_wlan),
+				       GFP_KERNEL);
+	if (!ar_pci->serv_to_pipe) {
+		ret = -ENOMEM;
+		goto err_free;
+	}
+
 	ret = ath10k_pci_setup_resource(ar);
 	if (ret) {
 		ath10k_err(ar, "failed to setup resource: %d\n", ret);
@@ -3690,6 +3720,11 @@ static int ath10k_pci_probe(struct pci_dev *pdev,
 err_core_destroy:
 	ath10k_core_destroy(ar);
 
+err_free:
+	kfree(ar_pci->attr);
+	kfree(ar_pci->pipe_config);
+	kfree(ar_pci->serv_to_pipe);
+
 	return ret;
 }
 
@@ -3715,6 +3750,9 @@ static void ath10k_pci_remove(struct pci_dev *pdev)
 	ath10k_pci_sleep_sync(ar);
 	ath10k_pci_release(ar);
 	ath10k_core_destroy(ar);
+	kfree(ar_pci->attr);
+	kfree(ar_pci->pipe_config);
+	kfree(ar_pci->serv_to_pipe);
 }
 
 MODULE_DEVICE_TABLE(pci, ath10k_pci_id_table);

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

@@ -183,6 +183,10 @@ struct ath10k_pci {
 	 * this struct.
 	 */
 	struct ath10k_ahb ahb[0];
+
+	struct ce_attr *attr;
+	struct ce_pipe_config *pipe_config;
+	struct ce_service_to_pipe *serv_to_pipe;
 };
 
 static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)

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

@@ -122,8 +122,8 @@ static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi)
 	int ret;
 	int i;
 
-	req.msa_addr = qmi->msa_pa;
+	req.msa_addr = ar->msa.paddr;
-	req.size = qmi->msa_mem_size;
+	req.size = ar->msa.mem_size;
 
 	ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
 			   wlfw_msa_info_resp_msg_v01_ei, &resp);
@@ -157,12 +157,12 @@ static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi)
 		goto out;
 	}
 
-	max_mapped_addr = qmi->msa_pa + qmi->msa_mem_size;
+	max_mapped_addr = ar->msa.paddr + ar->msa.mem_size;
 	qmi->nr_mem_region = resp.mem_region_info_len;
 	for (i = 0; i < resp.mem_region_info_len; i++) {
-		if (resp.mem_region_info[i].size > qmi->msa_mem_size ||
+		if (resp.mem_region_info[i].size > ar->msa.mem_size ||
 		    resp.mem_region_info[i].region_addr > max_mapped_addr ||
-		    resp.mem_region_info[i].region_addr < qmi->msa_pa ||
+		    resp.mem_region_info[i].region_addr < ar->msa.paddr ||
 		    resp.mem_region_info[i].size +
 		    resp.mem_region_info[i].region_addr > max_mapped_addr) {
 			ath10k_err(ar, "received out of range memory region address 0x%llx with size 0x%x, aborting\n",
@@ -1006,54 +1006,10 @@ static void ath10k_qmi_driver_event_work(struct work_struct *work)
 	spin_unlock(&qmi->event_lock);
 }
 
-static int ath10k_qmi_setup_msa_resources(struct ath10k_qmi *qmi, u32 msa_size)
-{
-	struct ath10k *ar = qmi->ar;
-	struct device *dev = ar->dev;
-	struct device_node *node;
-	struct resource r;
-	int ret;
-
-	node = of_parse_phandle(dev->of_node, "memory-region", 0);
-	if (node) {
-		ret = of_address_to_resource(node, 0, &r);
-		if (ret) {
-			dev_err(dev, "failed to resolve msa fixed region\n");
-			return ret;
-		}
-		of_node_put(node);
-
-		qmi->msa_pa = r.start;
-		qmi->msa_mem_size = resource_size(&r);
-		qmi->msa_va = devm_memremap(dev, qmi->msa_pa, qmi->msa_mem_size,
-					    MEMREMAP_WT);
-		if (IS_ERR(qmi->msa_va)) {
-			dev_err(dev, "failed to map memory region: %pa\n", &r.start);
-			return PTR_ERR(qmi->msa_va);
-		}
-	} else {
-		qmi->msa_va = dmam_alloc_coherent(dev, msa_size,
-						  &qmi->msa_pa, GFP_KERNEL);
-		if (!qmi->msa_va) {
-			ath10k_err(ar, "failed to allocate dma memory for msa region\n");
-			return -ENOMEM;
-		}
-		qmi->msa_mem_size = msa_size;
-	}
-
-	if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm"))
-		qmi->msa_fixed_perm = true;
-
-	ath10k_dbg(ar, ATH10K_DBG_QMI, "msa pa: %pad , msa va: 0x%p\n",
-		   &qmi->msa_pa,
-		   qmi->msa_va);
-
-	return 0;
-}
-
 int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
 {
 	struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+	struct device *dev = ar->dev;
 	struct ath10k_qmi *qmi;
 	int ret;
 
@@ -1064,9 +1020,8 @@ int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
 	qmi->ar = ar;
 	ar_snoc->qmi = qmi;
 
-	ret = ath10k_qmi_setup_msa_resources(qmi, msa_size);
+	if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm"))
-	if (ret)
+		qmi->msa_fixed_perm = true;
-		goto err;
 
 	ret = qmi_handle_init(&qmi->qmi_hdl,
 			      WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,

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

@@ -93,9 +93,6 @@ struct ath10k_qmi {
 	spinlock_t event_lock; /* spinlock for qmi event list */
 	u32 nr_mem_region;
 	struct ath10k_msa_mem_info mem_region[MAX_NUM_MEMORY_REGIONS];
-	dma_addr_t msa_pa;
-	u32 msa_mem_size;
-	void *msa_va;
 	struct ath10k_qmi_chip_info chip_info;
 	struct ath10k_qmi_board_info board_info;
 	struct ath10k_qmi_soc_info soc_info;

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

@@ -542,7 +542,7 @@ static int ath10k_sdio_mbox_rx_alloc(struct ath10k *ar,
 	int pkt_cnt = 0;
 
 	if (n_lookaheads > ATH10K_SDIO_MAX_RX_MSGS) {
-		ath10k_warn(ar, "the total number of pkgs to be fetched (%u) exceeds maximum %u\n",
+		ath10k_warn(ar, "the total number of pkts to be fetched (%u) exceeds maximum %u\n",
 			    n_lookaheads, ATH10K_SDIO_MAX_RX_MSGS);
 		ret = -ENOMEM;
 		goto err;
@@ -1361,23 +1361,117 @@ static void ath10k_rx_indication_async_work(struct work_struct *work)
 		napi_schedule(&ar->napi);
 }
 
+static int ath10k_sdio_read_rtc_state(struct ath10k_sdio *ar_sdio, unsigned char *state)
+{
+	struct ath10k *ar = ar_sdio->ar;
+	unsigned char rtc_state = 0;
+	int ret = 0;
+
+	rtc_state = sdio_f0_readb(ar_sdio->func, ATH10K_CIS_RTC_STATE_ADDR, &ret);
+	if (ret) {
+		ath10k_warn(ar, "failed to read rtc state: %d\n", ret);
+		return ret;
+	}
+
+	*state = rtc_state & 0x3;
+
+	return ret;
+}
+
+static int ath10k_sdio_set_mbox_sleep(struct ath10k *ar, bool enable_sleep)
+{
+	struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
+	u32 val;
+	int retry = ATH10K_CIS_READ_RETRY, ret = 0;
+	unsigned char rtc_state = 0;
+
+	sdio_claim_host(ar_sdio->func);
+
+	ret = ath10k_sdio_read32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, &val);
+	if (ret) {
+		ath10k_warn(ar, "failed to read fifo/chip control register: %d\n",
+			    ret);
+		goto release;
+	}
+
+	if (enable_sleep) {
+		val &= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF;
+		ar_sdio->mbox_state = SDIO_MBOX_SLEEP_STATE;
+	} else {
+		val |= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_ON;
+		ar_sdio->mbox_state = SDIO_MBOX_AWAKE_STATE;
+	}
+
+	ret = ath10k_sdio_write32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, val);
+	if (ret) {
+		ath10k_warn(ar, "failed to write to FIFO_TIMEOUT_AND_CHIP_CONTROL: %d",
+			    ret);
+	}
+
+	if (!enable_sleep) {
+		do {
+			udelay(ATH10K_CIS_READ_WAIT_4_RTC_CYCLE_IN_US);
+			ret = ath10k_sdio_read_rtc_state(ar_sdio, &rtc_state);
+
+			if (ret) {
+				ath10k_warn(ar, "failed to disable mbox sleep: %d", ret);
+				break;
+			}
+
+			ath10k_dbg(ar, ATH10K_DBG_SDIO, "sdio read rtc state: %d\n",
+				   rtc_state);
+
+			if (rtc_state == ATH10K_CIS_RTC_STATE_ON)
+				break;
+
+			udelay(ATH10K_CIS_XTAL_SETTLE_DURATION_IN_US);
+			retry--;
+		} while (retry > 0);
+	}
+
+release:
+	sdio_release_host(ar_sdio->func);
+
+	return ret;
+}
+
+static void ath10k_sdio_sleep_timer_handler(struct timer_list *t)
+{
+	struct ath10k_sdio *ar_sdio = from_timer(ar_sdio, t, sleep_timer);
+
+	ar_sdio->mbox_state = SDIO_MBOX_REQUEST_TO_SLEEP_STATE;
+	queue_work(ar_sdio->workqueue, &ar_sdio->wr_async_work);
+}
+
 static void ath10k_sdio_write_async_work(struct work_struct *work)
 {
 	struct ath10k_sdio *ar_sdio = container_of(work, struct ath10k_sdio,
 						   wr_async_work);
 	struct ath10k *ar = ar_sdio->ar;
 	struct ath10k_sdio_bus_request *req, *tmp_req;
+	struct ath10k_mbox_info *mbox_info = &ar_sdio->mbox_info;
 
 	spin_lock_bh(&ar_sdio->wr_async_lock);
 
 	list_for_each_entry_safe(req, tmp_req, &ar_sdio->wr_asyncq, list) {
 		list_del(&req->list);
 		spin_unlock_bh(&ar_sdio->wr_async_lock);
+
+		if (req->address >= mbox_info->htc_addr &&
+		    ar_sdio->mbox_state == SDIO_MBOX_SLEEP_STATE) {
+			ath10k_sdio_set_mbox_sleep(ar, false);
+			mod_timer(&ar_sdio->sleep_timer, jiffies +
+				  msecs_to_jiffies(ATH10K_MIN_SLEEP_INACTIVITY_TIME_MS));
+		}
+
 		__ath10k_sdio_write_async(ar, req);
 		spin_lock_bh(&ar_sdio->wr_async_lock);
 	}
 
 	spin_unlock_bh(&ar_sdio->wr_async_lock);
+
+	if (ar_sdio->mbox_state == SDIO_MBOX_REQUEST_TO_SLEEP_STATE)
+		ath10k_sdio_set_mbox_sleep(ar, true);
 }
 
 static int ath10k_sdio_prep_async_req(struct ath10k *ar, u32 addr,
@@ -1444,7 +1538,7 @@ static void ath10k_sdio_irq_handler(struct sdio_func *func)
 
 /* sdio HIF functions */
 
-static int ath10k_sdio_hif_disable_intrs(struct ath10k *ar)
+static int ath10k_sdio_disable_intrs(struct ath10k *ar)
 {
 	struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
 	struct ath10k_sdio_irq_data *irq_data = &ar_sdio->irq_data;
@@ -1500,7 +1594,7 @@ static int ath10k_sdio_hif_power_up(struct ath10k *ar,
 
 	ar_sdio->is_disabled = false;
 
-	ret = ath10k_sdio_hif_disable_intrs(ar);
+	ret = ath10k_sdio_disable_intrs(ar);
 	if (ret)
 		return ret;
 
@@ -1517,6 +1611,9 @@ static void ath10k_sdio_hif_power_down(struct ath10k *ar)
 
 	ath10k_dbg(ar, ATH10K_DBG_BOOT, "sdio power off\n");
 
+	del_timer_sync(&ar_sdio->sleep_timer);
+	ath10k_sdio_set_mbox_sleep(ar, true);
+
 	/* Disable the card */
 	sdio_claim_host(ar_sdio->func);
 
@@ -1569,7 +1666,7 @@ static int ath10k_sdio_hif_tx_sg(struct ath10k *ar, u8 pipe_id,
 	return 0;
 }
 
-static int ath10k_sdio_hif_enable_intrs(struct ath10k *ar)
+static int ath10k_sdio_enable_intrs(struct ath10k *ar)
 {
 	struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
 	struct ath10k_sdio_irq_data *irq_data = &ar_sdio->irq_data;
@@ -1617,33 +1714,6 @@ static int ath10k_sdio_hif_enable_intrs(struct ath10k *ar)
 	return ret;
 }
 
-static int ath10k_sdio_hif_set_mbox_sleep(struct ath10k *ar, bool enable_sleep)
-{
-	u32 val;
-	int ret;
-
-	ret = ath10k_sdio_read32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, &val);
-	if (ret) {
-		ath10k_warn(ar, "failed to read fifo/chip control register: %d\n",
-			    ret);
-		return ret;
-	}
-
-	if (enable_sleep)
-		val &= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF;
-	else
-		val |= ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_ON;
-
-	ret = ath10k_sdio_write32(ar, ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL, val);
-	if (ret) {
-		ath10k_warn(ar, "failed to write to FIFO_TIMEOUT_AND_CHIP_CONTROL: %d",
-			    ret);
-		return ret;
-	}
-
-	return 0;
-}
-
 /* HIF diagnostics */
 
 static int ath10k_sdio_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
@@ -1679,8 +1749,8 @@ static int ath10k_sdio_hif_diag_read(struct ath10k *ar, u32 address, void *buf,
 	return ret;
 }
 
-static int ath10k_sdio_hif_diag_read32(struct ath10k *ar, u32 address,
+static int ath10k_sdio_diag_read32(struct ath10k *ar, u32 address,
-				       u32 *value)
+				   u32 *value)
 {
 	__le32 *val;
 	int ret;
@@ -1725,7 +1795,7 @@ static int ath10k_sdio_hif_diag_write_mem(struct ath10k *ar, u32 address,
 	return 0;
 }
 
-static int ath10k_sdio_hif_swap_mailbox(struct ath10k *ar)
+static int ath10k_sdio_hif_start_post(struct ath10k *ar)
 {
 	struct ath10k_sdio *ar_sdio = ath10k_sdio_priv(ar);
 	u32 addr, val;
@@ -1733,7 +1803,7 @@ static int ath10k_sdio_hif_swap_mailbox(struct ath10k *ar)
 
 	addr = host_interest_item_address(HI_ITEM(hi_acs_flags));
 
-	ret = ath10k_sdio_hif_diag_read32(ar, addr, &val);
+	ret = ath10k_sdio_diag_read32(ar, addr, &val);
 	if (ret) {
 		ath10k_warn(ar, "unable to read hi_acs_flags : %d\n", ret);
 		return ret;
@@ -1749,6 +1819,8 @@ static int ath10k_sdio_hif_swap_mailbox(struct ath10k *ar)
 		ar_sdio->swap_mbox = false;
 	}
 
+	ath10k_sdio_set_mbox_sleep(ar, true);
+
 	return 0;
 }
 
@@ -1759,7 +1831,7 @@ static int ath10k_sdio_get_htt_tx_complete(struct ath10k *ar)
 
 	addr = host_interest_item_address(HI_ITEM(hi_acs_flags));
 
-	ret = ath10k_sdio_hif_diag_read32(ar, addr, &val);
+	ret = ath10k_sdio_diag_read32(ar, addr, &val);
 	if (ret) {
 		ath10k_warn(ar,
 			    "unable to read hi_acs_flags for htt tx comple : %d\n", ret);
@@ -1788,7 +1860,7 @@ static int ath10k_sdio_hif_start(struct ath10k *ar)
 	 * request before interrupts are disabled.
 	 */
 	msleep(20);
-	ret = ath10k_sdio_hif_disable_intrs(ar);
+	ret = ath10k_sdio_disable_intrs(ar);
 	if (ret)
 		return ret;
 
@@ -1810,19 +1882,19 @@ static int ath10k_sdio_hif_start(struct ath10k *ar)
 
 	sdio_release_host(ar_sdio->func);
 
-	ret = ath10k_sdio_hif_enable_intrs(ar);
+	ret = ath10k_sdio_enable_intrs(ar);
 	if (ret)
 		ath10k_warn(ar, "failed to enable sdio interrupts: %d\n", ret);
 
 	/* Enable sleep and then disable it again */
-	ret = ath10k_sdio_hif_set_mbox_sleep(ar, true);
+	ret = ath10k_sdio_set_mbox_sleep(ar, true);
 	if (ret)
 		return ret;
 
 	/* Wait for 20ms for the written value to take effect */
 	msleep(20);
 
-	ret = ath10k_sdio_hif_set_mbox_sleep(ar, false);
+	ret = ath10k_sdio_set_mbox_sleep(ar, false);
 	if (ret)
 		return ret;
 
@@ -2029,17 +2101,6 @@ static void ath10k_sdio_hif_get_default_pipe(struct ath10k *ar,
 	*dl_pipe = 0;
 }
 
-/* This op is currently only used by htc_wait_target if the HTC ready
- * message times out. It is not applicable for SDIO since there is nothing
- * we can do if the HTC ready message does not arrive in time.
- * TODO: Make this op non mandatory by introducing a NULL check in the
- * hif op wrapper.
- */
-static void ath10k_sdio_hif_send_complete_check(struct ath10k *ar,
-						u8 pipe, int force)
-{
-}
-
 static const struct ath10k_hif_ops ath10k_sdio_hif_ops = {
 	.tx_sg			= ath10k_sdio_hif_tx_sg,
 	.diag_read		= ath10k_sdio_hif_diag_read,
@@ -2047,11 +2108,10 @@ static const struct ath10k_hif_ops ath10k_sdio_hif_ops = {
 	.exchange_bmi_msg	= ath10k_sdio_bmi_exchange_msg,
 	.start			= ath10k_sdio_hif_start,
 	.stop			= ath10k_sdio_hif_stop,
-	.swap_mailbox		= ath10k_sdio_hif_swap_mailbox,
+	.start_post		= ath10k_sdio_hif_start_post,
 	.get_htt_tx_complete	= ath10k_sdio_get_htt_tx_complete,
 	.map_service_to_pipe	= ath10k_sdio_hif_map_service_to_pipe,
 	.get_default_pipe	= ath10k_sdio_hif_get_default_pipe,
-	.send_complete_check	= ath10k_sdio_hif_send_complete_check,
 	.power_up		= ath10k_sdio_hif_power_up,
 	.power_down		= ath10k_sdio_hif_power_down,
 #ifdef CONFIG_PM
@@ -2076,6 +2136,8 @@ static int ath10k_sdio_pm_suspend(struct device *device)
 	if (!device_may_wakeup(ar->dev))
 		return 0;
 
+	ath10k_sdio_set_mbox_sleep(ar, true);
+
 	pm_flag = MMC_PM_KEEP_POWER;
 
 	ret = sdio_set_host_pm_flags(func, pm_flag);
@@ -2239,6 +2301,8 @@ static int ath10k_sdio_probe(struct sdio_func *func,
 		goto err_free_wq;
 	}
 
+	timer_setup(&ar_sdio->sleep_timer, ath10k_sdio_sleep_timer_handler, 0);
+
 	return 0;
 
 err_free_wq:

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

@@ -98,6 +98,20 @@
 #define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF 0xFFFEFFFF
 #define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_ON 0x10000
 
+enum sdio_mbox_state {
+	SDIO_MBOX_UNKNOWN_STATE = 0,
+	SDIO_MBOX_REQUEST_TO_SLEEP_STATE = 1,
+	SDIO_MBOX_SLEEP_STATE = 2,
+	SDIO_MBOX_AWAKE_STATE = 3,
+};
+
+#define ATH10K_CIS_READ_WAIT_4_RTC_CYCLE_IN_US	125
+#define ATH10K_CIS_RTC_STATE_ADDR		0x1138
+#define ATH10K_CIS_RTC_STATE_ON			0x01
+#define ATH10K_CIS_XTAL_SETTLE_DURATION_IN_US	1500
+#define ATH10K_CIS_READ_RETRY			10
+#define ATH10K_MIN_SLEEP_INACTIVITY_TIME_MS	50
+
 /* TODO: remove this and use skb->cb instead, much cleaner approach */
 struct ath10k_sdio_bus_request {
 	struct list_head list;
@@ -218,6 +232,8 @@ struct ath10k_sdio {
 	spinlock_t wr_async_lock;
 
 	struct work_struct async_work_rx;
+	struct timer_list sleep_timer;
+	enum sdio_mbox_state mbox_state;
 };
 
 static inline struct ath10k_sdio *ath10k_sdio_priv(struct ath10k *ar)

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

@@ -11,6 +11,8 @@
 #include <linux/platform_device.h>
 #include <linux/property.h>
 #include <linux/regulator/consumer.h>
+#include <linux/of_address.h>
+#include <linux/iommu.h>
 
 #include "ce.h"
 #include "coredump.h"
@@ -356,7 +358,7 @@ static struct ce_pipe_config target_ce_config_wlan[] = {
 	},
 };
 
-static struct service_to_pipe target_service_to_ce_map_wlan[] = {
+static struct ce_service_to_pipe target_service_to_ce_map_wlan[] = {
 	{
 		__cpu_to_le32(ATH10K_HTC_SVC_ID_WMI_DATA_VO),
 		__cpu_to_le32(PIPEDIR_OUT),	/* out = UL = host -> target */
@@ -769,7 +771,7 @@ static int ath10k_snoc_hif_map_service_to_pipe(struct ath10k *ar,
 					       u16 service_id,
 					       u8 *ul_pipe, u8 *dl_pipe)
 {
-	const struct service_to_pipe *entry;
+	const struct ce_service_to_pipe *entry;
 	bool ul_set = false, dl_set = false;
 	int i;
 
@@ -1393,7 +1395,6 @@ static int ath10k_hw_power_off(struct ath10k *ar)
 static void ath10k_msa_dump_memory(struct ath10k *ar,
 				   struct ath10k_fw_crash_data *crash_data)
 {
-	struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
 	const struct ath10k_hw_mem_layout *mem_layout;
 	const struct ath10k_mem_region *current_region;
 	struct ath10k_dump_ram_data_hdr *hdr;
@@ -1419,15 +1420,15 @@ static void ath10k_msa_dump_memory(struct ath10k *ar,
 	buf_len -= sizeof(*hdr);
 
 	hdr->region_type = cpu_to_le32(current_region->type);
-	hdr->start = cpu_to_le32((unsigned long)ar_snoc->qmi->msa_va);
+	hdr->start = cpu_to_le32((unsigned long)ar->msa.vaddr);
-	hdr->length = cpu_to_le32(ar_snoc->qmi->msa_mem_size);
+	hdr->length = cpu_to_le32(ar->msa.mem_size);
 
-	if (current_region->len < ar_snoc->qmi->msa_mem_size) {
+	if (current_region->len < ar->msa.mem_size) {
-		memcpy(buf, ar_snoc->qmi->msa_va, current_region->len);
+		memcpy(buf, ar->msa.vaddr, current_region->len);
 		ath10k_warn(ar, "msa dump length is less than msa size %x, %x\n",
-			    current_region->len, ar_snoc->qmi->msa_mem_size);
+			    current_region->len, ar->msa.mem_size);
 	} else {
-		memcpy(buf, ar_snoc->qmi->msa_va, ar_snoc->qmi->msa_mem_size);
+		memcpy(buf, ar->msa.vaddr, ar->msa.mem_size);
 	}
 }
 
@@ -1455,6 +1456,155 @@ void ath10k_snoc_fw_crashed_dump(struct ath10k *ar)
 	mutex_unlock(&ar->dump_mutex);
 }
 
+static int ath10k_setup_msa_resources(struct ath10k *ar, u32 msa_size)
+{
+	struct device *dev = ar->dev;
+	struct device_node *node;
+	struct resource r;
+	int ret;
+
+	node = of_parse_phandle(dev->of_node, "memory-region", 0);
+	if (node) {
+		ret = of_address_to_resource(node, 0, &r);
+		if (ret) {
+			dev_err(dev, "failed to resolve msa fixed region\n");
+			return ret;
+		}
+		of_node_put(node);
+
+		ar->msa.paddr = r.start;
+		ar->msa.mem_size = resource_size(&r);
+		ar->msa.vaddr = devm_memremap(dev, ar->msa.paddr,
+					      ar->msa.mem_size,
+					      MEMREMAP_WT);
+		if (IS_ERR(ar->msa.vaddr)) {
+			dev_err(dev, "failed to map memory region: %pa\n",
+				&r.start);
+			return PTR_ERR(ar->msa.vaddr);
+		}
+	} else {
+		ar->msa.vaddr = dmam_alloc_coherent(dev, msa_size,
+						    &ar->msa.paddr,
+						    GFP_KERNEL);
+		if (!ar->msa.vaddr) {
+			ath10k_err(ar, "failed to allocate dma memory for msa region\n");
+			return -ENOMEM;
+		}
+		ar->msa.mem_size = msa_size;
+	}
+
+	ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa.paddr: %pad , msa.vaddr: 0x%p\n",
+		   &ar->msa.paddr,
+		   ar->msa.vaddr);
+
+	return 0;
+}
+
+static int ath10k_fw_init(struct ath10k *ar)
+{
+	struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+	struct device *host_dev = &ar_snoc->dev->dev;
+	struct platform_device_info info;
+	struct iommu_domain *iommu_dom;
+	struct platform_device *pdev;
+	struct device_node *node;
+	int ret;
+
+	node = of_get_child_by_name(host_dev->of_node, "wifi-firmware");
+	if (!node) {
+		ar_snoc->use_tz = true;
+		return 0;
+	}
+
+	memset(&info, 0, sizeof(info));
+	info.fwnode = &node->fwnode;
+	info.parent = host_dev;
+	info.name = node->name;
+	info.dma_mask = DMA_BIT_MASK(32);
+
+	pdev = platform_device_register_full(&info);
+	if (IS_ERR(pdev)) {
+		of_node_put(node);
+		return PTR_ERR(pdev);
+	}
+
+	pdev->dev.of_node = node;
+
+	ret = of_dma_configure(&pdev->dev, node, true);
+	if (ret) {
+		ath10k_err(ar, "dma configure fail: %d\n", ret);
+		goto err_unregister;
+	}
+
+	ar_snoc->fw.dev = &pdev->dev;
+
+	iommu_dom = iommu_domain_alloc(&platform_bus_type);
+	if (!iommu_dom) {
+		ath10k_err(ar, "failed to allocate iommu domain\n");
+		ret = -ENOMEM;
+		goto err_unregister;
+	}
+
+	ret = iommu_attach_device(iommu_dom, ar_snoc->fw.dev);
+	if (ret) {
+		ath10k_err(ar, "could not attach device: %d\n", ret);
+		goto err_iommu_free;
+	}
+
+	ar_snoc->fw.iommu_domain = iommu_dom;
+	ar_snoc->fw.fw_start_addr = ar->msa.paddr;
+
+	ret = iommu_map(iommu_dom, ar_snoc->fw.fw_start_addr,
+			ar->msa.paddr, ar->msa.mem_size,
+			IOMMU_READ | IOMMU_WRITE);
+	if (ret) {
+		ath10k_err(ar, "failed to map firmware region: %d\n", ret);
+		goto err_iommu_detach;
+	}
+
+	of_node_put(node);
+
+	return 0;
+
+err_iommu_detach:
+	iommu_detach_device(iommu_dom, ar_snoc->fw.dev);
+
+err_iommu_free:
+	iommu_domain_free(iommu_dom);
+
+err_unregister:
+	platform_device_unregister(pdev);
+	of_node_put(node);
+
+	return ret;
+}
+
+static int ath10k_fw_deinit(struct ath10k *ar)
+{
+	struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
+	const size_t mapped_size = ar_snoc->fw.mapped_mem_size;
+	struct iommu_domain *iommu;
+	size_t unmapped_size;
+
+	if (ar_snoc->use_tz)
+		return 0;
+
+	iommu = ar_snoc->fw.iommu_domain;
+
+	unmapped_size = iommu_unmap(iommu, ar_snoc->fw.fw_start_addr,
+				    mapped_size);
+	if (unmapped_size != mapped_size)
+		ath10k_err(ar, "failed to unmap firmware: %zu\n",
+			   unmapped_size);
+
+	iommu_detach_device(iommu, ar_snoc->fw.dev);
+	iommu_domain_free(iommu);
+
+	platform_device_unregister(to_platform_device(ar_snoc->fw.dev));
+
+	return 0;
+}
+
 static const struct of_device_id ath10k_snoc_dt_match[] = {
 	{ .compatible = "qcom,wcn3990-wifi",
 	 .data = &drv_priv,
@@ -1557,16 +1707,31 @@ static int ath10k_snoc_probe(struct platform_device *pdev)
 		goto err_free_irq;
 	}
 
+	ret = ath10k_setup_msa_resources(ar, msa_size);
+	if (ret) {
+		ath10k_warn(ar, "failed to setup msa resources: %d\n", ret);
+		goto err_power_off;
+	}
+
+	ret = ath10k_fw_init(ar);
+	if (ret) {
+		ath10k_err(ar, "failed to initialize firmware: %d\n", ret);
+		goto err_power_off;
+	}
+
 	ret = ath10k_qmi_init(ar, msa_size);
 	if (ret) {
 		ath10k_warn(ar, "failed to register wlfw qmi client: %d\n", ret);
-		goto err_power_off;
+		goto err_fw_deinit;
 	}
 
 	ath10k_dbg(ar, ATH10K_DBG_SNOC, "snoc probe\n");
 
 	return 0;
 
+err_fw_deinit:
+	ath10k_fw_deinit(ar);
+
 err_power_off:
 	ath10k_hw_power_off(ar);
 
@@ -1598,6 +1763,7 @@ static int ath10k_snoc_remove(struct platform_device *pdev)
 
 	ath10k_core_unregister(ar);
 	ath10k_hw_power_off(ar);
+	ath10k_fw_deinit(ar);
 	ath10k_snoc_free_irq(ar);
 	ath10k_snoc_release_resource(ar);
 	ath10k_qmi_deinit(ar);

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

@@ -55,6 +55,13 @@ struct regulator_bulk_data;
 struct ath10k_snoc {
 	struct platform_device *dev;
 	struct ath10k *ar;
+	unsigned int use_tz;
+	struct ath10k_firmware {
+		struct device *dev;
+		dma_addr_t fw_start_addr;
+		struct iommu_domain *iommu_domain;
+		size_t mapped_mem_size;
+	} fw;
 	void __iomem *mem;
 	dma_addr_t mem_pa;
 	struct ath10k_snoc_target_info target_info;

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

@@ -693,17 +693,6 @@ static int ath10k_usb_hif_map_service_to_pipe(struct ath10k *ar, u16 svc_id,
 	return 0;
 }
 
-/* This op is currently only used by htc_wait_target if the HTC ready
- * message times out. It is not applicable for USB since there is nothing
- * we can do if the HTC ready message does not arrive in time.
- * TODO: Make this op non mandatory by introducing a NULL check in the
- * hif op wrapper.
- */
-static void ath10k_usb_hif_send_complete_check(struct ath10k *ar,
-					       u8 pipe, int force)
-{
-}
-
 static int ath10k_usb_hif_power_up(struct ath10k *ar,
 				   enum ath10k_firmware_mode fw_mode)
 {
@@ -737,7 +726,6 @@ static const struct ath10k_hif_ops ath10k_usb_hif_ops = {
 	.stop			= ath10k_usb_hif_stop,
 	.map_service_to_pipe	= ath10k_usb_hif_map_service_to_pipe,
 	.get_default_pipe	= ath10k_usb_hif_get_default_pipe,
-	.send_complete_check	= ath10k_usb_hif_send_complete_check,
 	.get_free_queue_number	= ath10k_usb_hif_get_free_queue_number,
 	.power_up		= ath10k_usb_hif_power_up,
 	.power_down		= ath10k_usb_hif_power_down,

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

@@ -126,6 +126,13 @@ struct wmi_ops {
 	struct sk_buff *(*gen_pdev_set_wmm)(struct ath10k *ar,
 					    const struct wmi_wmm_params_all_arg *arg);
 	struct sk_buff *(*gen_request_stats)(struct ath10k *ar, u32 stats_mask);
+	struct sk_buff *(*gen_request_peer_stats_info)(struct ath10k *ar,
+						       u32 vdev_id,
+						       enum
+						       wmi_peer_stats_info_request_type
+						       type,
+						       u8 *addr,
+						       u32 reset);
 	struct sk_buff *(*gen_force_fw_hang)(struct ath10k *ar,
 					     enum wmi_force_fw_hang_type type,
 					     u32 delay_ms);
@@ -1064,6 +1071,29 @@ ath10k_wmi_request_stats(struct ath10k *ar, u32 stats_mask)
 	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->request_stats_cmdid);
 }
 
+static inline int
+ath10k_wmi_request_peer_stats_info(struct ath10k *ar,
+				   u32 vdev_id,
+				   enum wmi_peer_stats_info_request_type type,
+				   u8 *addr,
+				   u32 reset)
+{
+	struct sk_buff *skb;
+
+	if (!ar->wmi.ops->gen_request_peer_stats_info)
+		return -EOPNOTSUPP;
+
+	skb = ar->wmi.ops->gen_request_peer_stats_info(ar,
+						       vdev_id,
+						       type,
+						       addr,
+						       reset);
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
+
+	return ath10k_wmi_cmd_send(ar, skb, ar->wmi.cmd->request_peer_stats_info_cmdid);
+}
+
 static inline int
 ath10k_wmi_force_fw_hang(struct ath10k *ar,
 			 enum wmi_force_fw_hang_type type, u32 delay_ms)

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

@@ -219,6 +219,91 @@ static void ath10k_wmi_tlv_event_vdev_delete_resp(struct ath10k *ar,
 	complete(&ar->vdev_delete_done);
 }
 
+static int ath10k_wmi_tlv_parse_peer_stats_info(struct ath10k *ar, u16 tag, u16 len,
+						const void *ptr, void *data)
+{
+	const struct wmi_tlv_peer_stats_info *stat = ptr;
+	struct ieee80211_sta *sta;
+	struct ath10k_sta *arsta;
+
+	if (tag != WMI_TLV_TAG_STRUCT_PEER_STATS_INFO)
+		return -EPROTO;
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi tlv stats peer addr %pMF rx rate code 0x%x bit rate %d kbps\n",
+		   stat->peer_macaddr.addr,
+		   __le32_to_cpu(stat->last_rx_rate_code),
+		   __le32_to_cpu(stat->last_rx_bitrate_kbps));
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi tlv stats tx rate code 0x%x bit rate %d kbps\n",
+		   __le32_to_cpu(stat->last_tx_rate_code),
+		   __le32_to_cpu(stat->last_tx_bitrate_kbps));
+
+	sta = ieee80211_find_sta_by_ifaddr(ar->hw, stat->peer_macaddr.addr, NULL);
+	if (!sta) {
+		ath10k_warn(ar, "not found station for peer stats\n");
+		return -EINVAL;
+	}
+
+	arsta = (struct ath10k_sta *)sta->drv_priv;
+	arsta->rx_rate_code = __le32_to_cpu(stat->last_rx_rate_code);
+	arsta->rx_bitrate_kbps = __le32_to_cpu(stat->last_rx_bitrate_kbps);
+	arsta->tx_rate_code = __le32_to_cpu(stat->last_tx_rate_code);
+	arsta->tx_bitrate_kbps = __le32_to_cpu(stat->last_tx_bitrate_kbps);
+
+	return 0;
+}
+
+static int ath10k_wmi_tlv_op_pull_peer_stats_info(struct ath10k *ar,
+						  struct sk_buff *skb)
+{
+	const void **tb;
+	const struct wmi_tlv_peer_stats_info_ev *ev;
+	const void *data;
+	u32 num_peer_stats;
+	int ret;
+
+	tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC);
+	if (IS_ERR(tb)) {
+		ret = PTR_ERR(tb);
+		ath10k_warn(ar, "failed to parse tlv: %d\n", ret);
+		return ret;
+	}
+
+	ev = tb[WMI_TLV_TAG_STRUCT_PEER_STATS_INFO_EVENT];
+	data = tb[WMI_TLV_TAG_ARRAY_STRUCT];
+
+	if (!ev || !data) {
+		kfree(tb);
+		return -EPROTO;
+	}
+
+	num_peer_stats = __le32_to_cpu(ev->num_peers);
+
+	ath10k_dbg(ar, ATH10K_DBG_WMI,
+		   "wmi tlv peer stats info update peer vdev id %d peers %i more data %d\n",
+		   __le32_to_cpu(ev->vdev_id),
+		   num_peer_stats,
+		   __le32_to_cpu(ev->more_data));
+
+	ret = ath10k_wmi_tlv_iter(ar, data, ath10k_wmi_tlv_len(data),
+				  ath10k_wmi_tlv_parse_peer_stats_info, NULL);
+	if (ret)
+		ath10k_warn(ar, "failed to parse stats info tlv: %d\n", ret);
+
+	kfree(tb);
+	return 0;
+}
+
+static void ath10k_wmi_tlv_event_peer_stats_info(struct ath10k *ar,
+						 struct sk_buff *skb)
+{
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "WMI_PEER_STATS_INFO_EVENTID\n");
+	ath10k_wmi_tlv_op_pull_peer_stats_info(ar, skb);
+	complete(&ar->peer_stats_info_complete);
+}
+
 static int ath10k_wmi_tlv_event_diag_data(struct ath10k *ar,
 					  struct sk_buff *skb)
 {
@@ -576,6 +661,9 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb)
 	case WMI_TLV_UPDATE_STATS_EVENTID:
 		ath10k_wmi_event_update_stats(ar, skb);
 		break;
+	case WMI_TLV_PEER_STATS_INFO_EVENTID:
+		ath10k_wmi_tlv_event_peer_stats_info(ar, skb);
+		break;
 	case WMI_TLV_VDEV_START_RESP_EVENTID:
 		ath10k_wmi_event_vdev_start_resp(ar, skb);
 		break;
@@ -2897,6 +2985,36 @@ ath10k_wmi_tlv_op_gen_request_stats(struct ath10k *ar, u32 stats_mask)
 	return skb;
 }
 
+static struct sk_buff *
+ath10k_wmi_tlv_op_gen_request_peer_stats_info(struct ath10k *ar,
+					      u32 vdev_id,
+					      enum wmi_peer_stats_info_request_type type,
+					      u8 *addr,
+					      u32 reset)
+{
+	struct wmi_tlv_request_peer_stats_info *cmd;
+	struct wmi_tlv *tlv;
+	struct sk_buff *skb;
+
+	skb = ath10k_wmi_alloc_skb(ar, sizeof(*tlv) + sizeof(*cmd));
+	if (!skb)
+		return ERR_PTR(-ENOMEM);
+
+	tlv = (void *)skb->data;
+	tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_REQUEST_PEER_STATS_INFO_CMD);
+	tlv->len = __cpu_to_le16(sizeof(*cmd));
+	cmd = (void *)tlv->value;
+	cmd->vdev_id = __cpu_to_le32(vdev_id);
+	cmd->request_type = __cpu_to_le32(type);
+
+	if (type == WMI_REQUEST_ONE_PEER_STATS_INFO)
+		ether_addr_copy(cmd->peer_macaddr.addr, addr);
+
+	cmd->reset_after_request = reset;
+	ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv request peer stats info\n");
+	return skb;
+}
+
 static int
 ath10k_wmi_mgmt_tx_alloc_msdu_id(struct ath10k *ar, struct sk_buff *skb,
 				 dma_addr_t paddr)
@@ -4113,6 +4231,7 @@ static struct wmi_cmd_map wmi_tlv_cmd_map = {
 	.vdev_spectral_scan_configure_cmdid = WMI_TLV_SPECTRAL_SCAN_CONF_CMDID,
 	.vdev_spectral_scan_enable_cmdid = WMI_TLV_SPECTRAL_SCAN_ENABLE_CMDID,
 	.request_stats_cmdid = WMI_TLV_REQUEST_STATS_CMDID,
+	.request_peer_stats_info_cmdid = WMI_TLV_REQUEST_PEER_STATS_INFO_CMDID,
 	.set_arp_ns_offload_cmdid = WMI_TLV_SET_ARP_NS_OFFLOAD_CMDID,
 	.network_list_offload_config_cmdid =
 				WMI_TLV_NETWORK_LIST_OFFLOAD_CONFIG_CMDID,
@@ -4269,6 +4388,7 @@ static struct wmi_pdev_param_map wmi_tlv_pdev_param_map = {
 	.arp_dstaddr = WMI_PDEV_PARAM_UNSUPPORTED,
 	.rfkill_config = WMI_TLV_PDEV_PARAM_HW_RFKILL_CONFIG,
 	.rfkill_enable = WMI_TLV_PDEV_PARAM_RFKILL_ENABLE,
+	.peer_stats_info_enable = WMI_TLV_PDEV_PARAM_PEER_STATS_INFO_ENABLE,
 };
 
 static struct wmi_peer_param_map wmi_tlv_peer_param_map = {
@@ -4416,6 +4536,7 @@ static const struct wmi_ops wmi_tlv_ops = {
 	.gen_beacon_dma = ath10k_wmi_tlv_op_gen_beacon_dma,
 	.gen_pdev_set_wmm = ath10k_wmi_tlv_op_gen_pdev_set_wmm,
 	.gen_request_stats = ath10k_wmi_tlv_op_gen_request_stats,
+	.gen_request_peer_stats_info = ath10k_wmi_tlv_op_gen_request_peer_stats_info,
 	.gen_force_fw_hang = ath10k_wmi_tlv_op_gen_force_fw_hang,
 	/* .gen_mgmt_tx = not implemented; HTT is used */
 	.gen_mgmt_tx_send = ath10k_wmi_tlv_op_gen_mgmt_tx_send,

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

@@ -198,6 +198,12 @@ enum wmi_tlv_cmd_id {
 	WMI_TLV_REQUEST_LINK_STATS_CMDID,
 	WMI_TLV_START_LINK_STATS_CMDID,
 	WMI_TLV_CLEAR_LINK_STATS_CMDID,
+	WMI_TLV_CGET_FW_MEM_DUMP_CMDID,
+	WMI_TLV_CDEBUG_MESG_FLUSH_CMDID,
+	WMI_TLV_CDIAG_EVENT_LOG_CONFIG_CMDID,
+	WMI_TLV_CREQUEST_WLAN_STATS_CMDID,
+	WMI_TLV_CREQUEST_RCPI_CMDID,
+	WMI_TLV_REQUEST_PEER_STATS_INFO_CMDID,
 	WMI_TLV_SET_ARP_NS_OFFLOAD_CMDID = WMI_TLV_CMD(WMI_TLV_GRP_ARP_NS_OFL),
 	WMI_TLV_ADD_PROACTIVE_ARP_RSP_PATTERN_CMDID,
 	WMI_TLV_DEL_PROACTIVE_ARP_RSP_PATTERN_CMDID,
@@ -338,6 +344,13 @@ enum wmi_tlv_event_id {
 	WMI_TLV_IFACE_LINK_STATS_EVENTID,
 	WMI_TLV_PEER_LINK_STATS_EVENTID,
 	WMI_TLV_RADIO_LINK_STATS_EVENTID,
+	WMI_TLV_UPDATE_FW_MEM_DUMP_EVENTID,
+	WMI_TLV_DIAG_EVENT_LOG_SUPPORTED_EVENTID,
+	WMI_TLV_INST_RSSI_STATS_EVENTID,
+	WMI_TLV_RADIO_TX_POWER_LEVEL_STATS_EVENTID,
+	WMI_TLV_REPORT_STATS_EVENTID,
+	WMI_TLV_UPDATE_RCPI_EVENTID,
+	WMI_TLV_PEER_STATS_INFO_EVENTID,
 	WMI_TLV_NLO_MATCH_EVENTID = WMI_TLV_EV(WMI_TLV_GRP_NLO_OFL),
 	WMI_TLV_NLO_SCAN_COMPLETE_EVENTID,
 	WMI_TLV_APFIND_EVENTID,
@@ -451,6 +464,7 @@ enum wmi_tlv_pdev_param {
 	WMI_TLV_PDEV_PARAM_VDEV_RATE_STATS_UPDATE_PERIOD,
 	WMI_TLV_PDEV_PARAM_TXPOWER_REASON_NONE,
 	WMI_TLV_PDEV_PARAM_TXPOWER_REASON_SAR,
+	WMI_TLV_PDEV_PARAM_PEER_STATS_INFO_ENABLE = 0x8b,
 	WMI_TLV_PDEV_PARAM_TXPOWER_REASON_MAX,
 };
 
@@ -2081,6 +2095,94 @@ struct wmi_tlv_stats_ev {
 	__le32 num_peer_stats_extd;
 } __packed;
 
+struct wmi_tlv_peer_stats_info_ev {
+	__le32 vdev_id;
+	__le32 num_peers;
+	__le32 more_data;
+} __packed;
+
+#define WMI_TLV_MAX_CHAINS 8
+
+struct wmi_tlv_peer_stats_info {
+	struct wmi_mac_addr peer_macaddr;
+	struct {
+		/* lower 32 bits of the tx_bytes value */
+		__le32 low_32;
+		/* upper 32 bits of the tx_bytes value */
+		__le32 high_32;
+	} __packed tx_bytes;
+	struct {
+		/* lower 32 bits of the tx_packets value */
+		__le32 low_32;
+		/* upper 32 bits of the tx_packets value */
+		__le32 high_32;
+	} __packed tx_packets;
+	struct {
+		/* lower 32 bits of the rx_bytes value */
+		__le32 low_32;
+		/* upper 32 bits of the rx_bytes value */
+		__le32 high_32;
+	} __packed rx_bytes;
+	struct {
+		/* lower 32 bits of the rx_packets value */
+		__le32 low_32;
+		/* upper 32 bits of the rx_packets value */
+		__le32 high_32;
+	} __packed rx_packets;
+	__le32 tx_retries;
+	__le32 tx_failed;
+
+	/* rate information, it is output of WMI_ASSEMBLE_RATECODE_V1
+	 *  (in format of 0x1000RRRR)
+	 * The rate-code is a 4-bytes field in which,
+	 * for given rate, nss and preamble
+	 *
+	 * b'31-b'29 unused / reserved
+	 * b'28      indicate the version of rate-code (1 = RATECODE_V1)
+	 * b'27-b'11 unused / reserved
+	 * b'10-b'8  indicate the preamble (0 OFDM, 1 CCK, 2 HT, 3 VHT)
+	 * b'7-b'5   indicate the NSS (0 - 1x1, 1 - 2x2, 2 - 3x3, 3 - 4x4)
+	 * b'4-b'0   indicate the rate, which is indicated as follows:
+	 *	    OFDM :     0: OFDM 48 Mbps
+	 *		       1: OFDM 24 Mbps
+	 *		       2: OFDM 12 Mbps
+	 *		       3: OFDM 6 Mbps
+	 *		       4: OFDM 54 Mbps
+	 *		       5: OFDM 36 Mbps
+	 *		       6: OFDM 18 Mbps
+	 *		       7: OFDM 9 Mbps
+	 *	   CCK (pream == 1)
+	 *		       0: CCK 11 Mbps Long
+	 *		       1: CCK 5.5 Mbps Long
+	 *		       2: CCK 2 Mbps Long
+	 *		       3: CCK 1 Mbps Long
+	 *		       4: CCK 11 Mbps Short
+	 *		       5: CCK 5.5 Mbps Short
+	 *		       6: CCK 2 Mbps Short
+	 *	   HT/VHT (pream == 2/3)
+	 *		       0..7: MCS0..MCS7 (HT)
+	 *		       0..9: MCS0..MCS9 (11AC VHT)
+	 *		       0..11: MCS0..MCS11 (11AX VHT)
+	 * rate-code of the last transmission
+	 */
+	__le32 last_tx_rate_code;
+	__le32 last_rx_rate_code;
+	__le32 last_tx_bitrate_kbps;
+	__le32 last_rx_bitrate_kbps;
+	__le32 peer_rssi;
+	__le32 tx_succeed;
+	__le32 peer_rssi_per_chain[WMI_TLV_MAX_CHAINS];
+} __packed;
+
+#define HW_RATECODE_PREAM_V1_MASK GENMASK(10, 8)
+#define WMI_TLV_GET_HW_RC_PREAM_V1(rc) FIELD_GET(HW_RATECODE_PREAM_V1_MASK, rc)
+
+#define HW_RATECODE_NSS_V1_MASK GENMASK(7, 5)
+#define WMI_TLV_GET_HW_RC_NSS_V1(rc) FIELD_GET(HW_RATECODE_NSS_V1_MASK, rc)
+
+#define HW_RATECODE_RATE_V1_MASK GENMASK(4, 0)
+#define WMI_TLV_GET_HW_RC_RATE_V1(rc) FIELD_GET(HW_RATECODE_RATE_V1_MASK, rc)
+
 struct wmi_tlv_p2p_noa_ev {
 	__le32 vdev_id;
 } __packed;
@@ -2097,6 +2199,14 @@ struct wmi_tlv_wow_add_del_event_cmd {
 	__le32 event_bitmap;
 } __packed;
 
+struct wmi_tlv_request_peer_stats_info {
+	__le32 request_type;
+	__le32 vdev_id;
+	/* peer MAC address */
+	struct wmi_mac_addr peer_macaddr;
+	__le32 reset_after_request;
+} __packed;
+
 /* Command to set/unset chip in quiet mode */
 struct wmi_tlv_set_quiet_cmd {
 	__le32 vdev_id;

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

@@ -8336,7 +8336,7 @@ ath10k_wmi_fw_pdev_rx_stats_fill(const struct ath10k_fw_stats_pdev *pdev,
 	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);
+			 "Oversized AMSDUs", 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",

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

@@ -940,6 +940,7 @@ struct wmi_cmd_map {
 	u32 vdev_spectral_scan_configure_cmdid;
 	u32 vdev_spectral_scan_enable_cmdid;
 	u32 request_stats_cmdid;
+	u32 request_peer_stats_info_cmdid;
 	u32 set_arp_ns_offload_cmdid;
 	u32 network_list_offload_config_cmdid;
 	u32 gtk_offload_cmdid;
@@ -3798,6 +3799,7 @@ struct wmi_pdev_param_map {
 	u32 enable_btcoex;
 	u32 rfkill_config;
 	u32 rfkill_enable;
+	u32 peer_stats_info_enable;
 };
 
 #define WMI_PDEV_PARAM_UNSUPPORTED 0
@@ -4578,6 +4580,13 @@ struct wmi_request_stats_cmd {
 	struct wlan_inst_rssi_args inst_rssi_args;
 } __packed;
 
+enum wmi_peer_stats_info_request_type {
+	/* request stats of one specified peer */
+	WMI_REQUEST_ONE_PEER_STATS_INFO = 0x01,
+	/* request stats of all peers belong to specified VDEV */
+	WMI_REQUEST_VDEV_ALL_PEER_STATS_INFO = 0x02,
+};
+
 /* Suspend option */
 enum {
 	/* suspend */

drivers/net/wireless/ath/ath11k/core.h

@@ -60,9 +60,14 @@ static inline enum wme_ac ath11k_tid_to_ac(u32 tid)
 		WME_AC_VO);
 }
 
+enum ath11k_skb_flags {
+	ATH11K_SKB_HW_80211_ENCAP = BIT(0),
+};
+
 struct ath11k_skb_cb {
 	dma_addr_t paddr;
 	u8 eid;
+	u8 flags;
 	struct ath11k *ar;
 	struct ieee80211_vif *vif;
 } __packed;
@@ -392,6 +397,7 @@ struct ath11k_debug {
 	u32 pktlog_mode;
 	u32 pktlog_peer_valid;
 	u8 pktlog_peer_addr[ETH_ALEN];
+	u32 rx_filter;
 };
 
 struct ath11k_per_peer_tx_stats {
@@ -656,6 +662,9 @@ struct ath11k_base {
 		u32 fw_crash_counter;
 	} stats;
 	u32 pktlog_defs_checksum;
+
+	/* Round robbin based TCL ring selector */
+	atomic_t tcl_ring_selector;
 };
 
 struct ath11k_fw_stats_pdev {

drivers/net/wireless/ath/ath11k/debug.c

@@ -195,7 +195,7 @@ void ath11k_debug_fw_stats_process(struct ath11k_base *ab, struct sk_buff *skb)
 				total_vdevs_started += ar->num_started_vdevs;
 		}
 
-		is_end = ((++num_vdev) == total_vdevs_started ? true : false);
+		is_end = ((++num_vdev) == total_vdevs_started);
 
 		list_splice_tail_init(&stats.vdevs,
 				      &ar->debug.fw_stats.vdevs);
@@ -215,7 +215,7 @@ void ath11k_debug_fw_stats_process(struct ath11k_base *ab, struct sk_buff *skb)
 		/* Mark end until we reached the count of all started VDEVs
 		 * within the PDEV
 		 */
-		is_end = ((++num_bcn) == ar->num_started_vdevs ? true : false);
+		is_end = ((++num_bcn) == ar->num_started_vdevs);
 
 		list_splice_tail_init(&stats.bcn,
 				      &ar->debug.fw_stats.bcn);
@@ -698,6 +698,8 @@ static ssize_t ath11k_write_extd_rx_stats(struct file *file,
 		tlv_filter = ath11k_mac_mon_status_filter_default;
 	}
 
+	ar->debug.rx_filter = tlv_filter.rx_filter;
+
 	ring_id = ar->dp.rx_mon_status_refill_ring.refill_buf_ring.ring_id;
 	ret = ath11k_dp_tx_htt_rx_filter_setup(ar->ab, ring_id, ar->dp.mac_id,
 					       HAL_RXDMA_MONITOR_STATUS,
@@ -803,6 +805,9 @@ static const struct file_operations fops_soc_rx_stats = {
 
 int ath11k_debug_pdev_create(struct ath11k_base *ab)
 {
+	if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
+		return 0;
+
 	ab->debugfs_soc = debugfs_create_dir(ab->hw_params.name, ab->debugfs_ath11k);
 
 	if (IS_ERR_OR_NULL(ab->debugfs_soc)) {

drivers/net/wireless/ath/ath11k/debug.h

@@ -67,7 +67,7 @@ struct debug_htt_stats_req {
 	u8 peer_addr[ETH_ALEN];
 	struct completion cmpln;
 	u32 buf_len;
-	u8 buf[0];
+	u8 buf[];
 };
 
 struct ath_pktlog_hdr {
@@ -77,9 +77,11 @@ struct ath_pktlog_hdr {
 	u16 size;
 	u32 timestamp;
 	u32 type_specific_data;
-	u8 payload[0];
+	u8 payload[];
 };
 
+#define ATH11K_HTT_PEER_STATS_RESET BIT(16)
+
 #define ATH11K_HTT_STATS_BUF_SIZE (1024 * 512)
 #define ATH11K_FW_STATS_BUF_SIZE (1024 * 1024)
 
@@ -188,6 +190,11 @@ static inline int ath11k_debug_is_extd_rx_stats_enabled(struct ath11k *ar)
 	return ar->debug.extd_rx_stats;
 }
 
+static inline int ath11k_debug_rx_filter(struct ath11k *ar)
+{
+	return ar->debug.rx_filter;
+}
+
 void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta, struct dentry *dir);
 void
@@ -269,6 +276,11 @@ static inline bool ath11k_debug_is_pktlog_peer_valid(struct ath11k *ar, u8 *addr
 	return false;
 }
 
+static inline int ath11k_debug_rx_filter(struct ath11k *ar)
+{
+	return 0;
+}
+
 static inline void
 ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
 				    struct ath11k_per_peer_tx_stats *peer_stats,

drivers/net/wireless/ath/ath11k/debug_htt_stats.h

@@ -239,7 +239,7 @@ struct htt_tx_pdev_stats_tx_ppdu_stats_tlv_v {
  */
 struct htt_tx_pdev_stats_tried_mpdu_cnt_hist_tlv_v {
 	u32 hist_bin_size;
-	u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */
+	u32 tried_mpdu_cnt_hist[]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */
 };
 
 /* == SOC ERROR STATS == */
@@ -550,7 +550,7 @@ struct htt_tx_hwq_stats_cmn_tlv {
 struct htt_tx_hwq_difs_latency_stats_tlv_v {
 	u32 hist_intvl;
 	/* histogram of ppdu post to hwsch - > cmd status received */
-	u32 difs_latency_hist[0]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */
+	u32 difs_latency_hist[]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */
 };
 
 /* NOTE: Variable length TLV, use length spec to infer array size */
@@ -586,7 +586,7 @@ struct htt_tx_hwq_fes_result_stats_tlv_v {
 struct htt_tx_hwq_tried_mpdu_cnt_hist_tlv_v {
 	u32 hist_bin_size;
 	/* Histogram of number of mpdus on tried mpdu */
-	u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */
+	u32 tried_mpdu_cnt_hist[]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */
 };
 
 /* NOTE: Variable length TLV, use length spec to infer array size
@@ -1584,7 +1584,7 @@ struct htt_pdev_stats_twt_session_tlv {
 struct htt_pdev_stats_twt_sessions_tlv {
 	u32 pdev_id;
 	u32 num_sessions;
-	struct htt_pdev_stats_twt_session_tlv twt_session[0];
+	struct htt_pdev_stats_twt_session_tlv twt_session[];
 };
 
 enum htt_rx_reo_resource_sample_id_enum {

drivers/net/wireless/ath/ath11k/debugfs_sta.c

@@ -8,6 +8,8 @@
 #include "core.h"
 #include "peer.h"
 #include "debug.h"
+#include "dp_tx.h"
+#include "debug_htt_stats.h"
 
 void
 ath11k_accumulate_per_peer_tx_stats(struct ath11k_sta *arsta,
@@ -435,13 +437,22 @@ ath11k_dbg_sta_open_htt_peer_stats(struct inode *inode, struct file *file)
 	return 0;
 out:
 	vfree(stats_req);
+	ar->debug.htt_stats.stats_req = NULL;
 	return ret;
 }
 
 static int
 ath11k_dbg_sta_release_htt_peer_stats(struct inode *inode, struct file *file)
 {
+	struct ieee80211_sta *sta = inode->i_private;
+	struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+	struct ath11k *ar = arsta->arvif->ar;
+
+	mutex_lock(&ar->conf_mutex);
 	vfree(file->private_data);
+	ar->debug.htt_stats.stats_req = NULL;
+	mutex_unlock(&ar->conf_mutex);
+
 	return 0;
 }
 
@@ -749,6 +760,66 @@ static const struct file_operations fops_aggr_mode = {
 	.llseek = default_llseek,
 };
 
+static ssize_t
+ath11k_write_htt_peer_stats_reset(struct file *file,
+				  const char __user *user_buf,
+				  size_t count, loff_t *ppos)
+{
+	struct ieee80211_sta *sta = file->private_data;
+	struct ath11k_sta *arsta = (struct ath11k_sta *)sta->drv_priv;
+	struct ath11k *ar = arsta->arvif->ar;
+	struct htt_ext_stats_cfg_params cfg_params = { 0 };
+	int ret;
+	u8 type;
+
+	ret = kstrtou8_from_user(user_buf, count, 0, &type);
+	if (ret)
+		return ret;
+
+	if (!type)
+		return ret;
+
+	mutex_lock(&ar->conf_mutex);
+	cfg_params.cfg0 = HTT_STAT_PEER_INFO_MAC_ADDR;
+	cfg_params.cfg0 |= FIELD_PREP(GENMASK(15, 1),
+				HTT_PEER_STATS_REQ_MODE_FLUSH_TQM);
+
+	cfg_params.cfg1 = HTT_STAT_DEFAULT_PEER_REQ_TYPE;
+
+	cfg_params.cfg2 |= FIELD_PREP(GENMASK(7, 0), sta->addr[0]);
+	cfg_params.cfg2 |= FIELD_PREP(GENMASK(15, 8), sta->addr[1]);
+	cfg_params.cfg2 |= FIELD_PREP(GENMASK(23, 16), sta->addr[2]);
+	cfg_params.cfg2 |= FIELD_PREP(GENMASK(31, 24), sta->addr[3]);
+
+	cfg_params.cfg3 |= FIELD_PREP(GENMASK(7, 0), sta->addr[4]);
+	cfg_params.cfg3 |= FIELD_PREP(GENMASK(15, 8), sta->addr[5]);
+
+	cfg_params.cfg3 |= ATH11K_HTT_PEER_STATS_RESET;
+
+	ret = ath11k_dp_tx_htt_h2t_ext_stats_req(ar,
+						 ATH11K_DBG_HTT_EXT_STATS_PEER_INFO,
+						 &cfg_params,
+						 0ULL);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to send htt peer stats request: %d\n", ret);
+		mutex_unlock(&ar->conf_mutex);
+		return ret;
+	}
+
+	mutex_unlock(&ar->conf_mutex);
+
+	ret = count;
+
+	return ret;
+}
+
+static const struct file_operations fops_htt_peer_stats_reset = {
+	.write = ath11k_write_htt_peer_stats_reset,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			    struct ieee80211_sta *sta, struct dentry *dir)
 {
@@ -771,4 +842,9 @@ void ath11k_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 	debugfs_create_file("addba", 0200, dir, sta, &fops_addba);
 	debugfs_create_file("addba_resp", 0200, dir, sta, &fops_addba_resp);
 	debugfs_create_file("delba", 0200, dir, sta, &fops_delba);
+
+	if (test_bit(WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET,
+		     ar->ab->wmi_ab.svc_map))
+		debugfs_create_file("htt_peer_stats_reset", 0600, dir, sta,
+				    &fops_htt_peer_stats_reset);
 }

drivers/net/wireless/ath/ath11k/dp.c

@@ -880,6 +880,8 @@ int ath11k_dp_alloc(struct ath11k_base *ab)
 	INIT_LIST_HEAD(&dp->reo_cmd_cache_flush_list);
 	spin_lock_init(&dp->reo_cmd_lock);
 
+	dp->reo_cmd_cache_flush_count = 0;
+
 	ret = ath11k_wbm_idle_ring_setup(ab, &n_link_desc);
 	if (ret) {
 		ath11k_warn(ab, "failed to setup wbm_idle_ring: %d\n", ret);
@@ -909,8 +911,10 @@ int ath11k_dp_alloc(struct ath11k_base *ab)
 		dp->tx_ring[i].tx_status_head = 0;
 		dp->tx_ring[i].tx_status_tail = DP_TX_COMP_RING_SIZE - 1;
 		dp->tx_ring[i].tx_status = kmalloc(size, GFP_KERNEL);
-		if (!dp->tx_ring[i].tx_status)
+		if (!dp->tx_ring[i].tx_status) {
+			ret = -ENOMEM;
 			goto fail_cmn_srng_cleanup;
+		}
 	}
 
 	for (i = 0; i < HAL_DSCP_TID_MAP_TBL_NUM_ENTRIES_MAX; i++)

drivers/net/wireless/ath/ath11k/dp.h

@@ -36,6 +36,7 @@ struct dp_rx_tid {
 	struct ath11k_base *ab;
 };
 
+#define DP_REO_DESC_FREE_THRESHOLD  64
 #define DP_REO_DESC_FREE_TIMEOUT_MS 1000
 
 struct dp_reo_cache_flush_elem {
@@ -222,7 +223,13 @@ struct ath11k_dp {
 	struct hal_wbm_idle_scatter_list scatter_list[DP_IDLE_SCATTER_BUFS_MAX];
 	struct list_head reo_cmd_list;
 	struct list_head reo_cmd_cache_flush_list;
-	/* protects access to reo_cmd_list and reo_cmd_cache_flush_list */
+	u32 reo_cmd_cache_flush_count;
+	/**
+	 * protects access to below fields,
+	 * - reo_cmd_list
+	 * - reo_cmd_cache_flush_list
+	 * - reo_cmd_cache_flush_count
+	 */
 	spinlock_t reo_cmd_lock;
 };
 

drivers/net/wireless/ath/ath11k/dp_rx.c

@@ -252,7 +252,7 @@ static bool ath11k_dp_rxdesc_mpdu_valid(struct hal_rx_desc *rx_desc)
 	tlv_tag = FIELD_GET(HAL_TLV_HDR_TAG,
 			    __le32_to_cpu(rx_desc->mpdu_start_tag));
 
-	return tlv_tag == HAL_RX_MPDU_START ? true : false;
+	return tlv_tag == HAL_RX_MPDU_START;
 }
 
 static u32 ath11k_dp_rxdesc_get_ppduid(struct hal_rx_desc *rx_desc)
@@ -565,6 +565,7 @@ void ath11k_dp_reo_cmd_list_cleanup(struct ath11k_base *ab)
 	list_for_each_entry_safe(cmd_cache, tmp_cache,
 				 &dp->reo_cmd_cache_flush_list, list) {
 		list_del(&cmd_cache->list);
+		dp->reo_cmd_cache_flush_count--;
 		dma_unmap_single(ab->dev, cmd_cache->data.paddr,
 				 cmd_cache->data.size, DMA_BIDIRECTIONAL);
 		kfree(cmd_cache->data.vaddr);
@@ -651,15 +652,18 @@ static void ath11k_dp_rx_tid_del_func(struct ath11k_dp *dp, void *ctx,
 
 	spin_lock_bh(&dp->reo_cmd_lock);
 	list_add_tail(&elem->list, &dp->reo_cmd_cache_flush_list);
+	dp->reo_cmd_cache_flush_count++;
 	spin_unlock_bh(&dp->reo_cmd_lock);
 
 	/* Flush and invalidate aged REO desc from HW cache */
 	spin_lock_bh(&dp->reo_cmd_lock);
 	list_for_each_entry_safe(elem, tmp, &dp->reo_cmd_cache_flush_list,
 				 list) {
-		if (time_after(jiffies, elem->ts +
+		if (dp->reo_cmd_cache_flush_count > DP_REO_DESC_FREE_THRESHOLD ||
+		    time_after(jiffies, elem->ts +
 			       msecs_to_jiffies(DP_REO_DESC_FREE_TIMEOUT_MS))) {
 			list_del(&elem->list);
+			dp->reo_cmd_cache_flush_count--;
 			spin_unlock_bh(&dp->reo_cmd_lock);
 
 			ath11k_dp_reo_cache_flush(ab, &elem->data);
@@ -892,7 +896,7 @@ int ath11k_peer_rx_tid_setup(struct ath11k *ar, const u8 *peer_mac, int vdev_id,
 	else
 		hw_desc_sz = ath11k_hal_reo_qdesc_size(DP_BA_WIN_SZ_MAX, tid);
 
-	vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_KERNEL);
+	vaddr = kzalloc(hw_desc_sz + HAL_LINK_DESC_ALIGN - 1, GFP_ATOMIC);
 	if (!vaddr) {
 		spin_unlock_bh(&ab->base_lock);
 		return -ENOMEM;
@@ -2266,6 +2270,7 @@ static int ath11k_dp_rx_process_msdu(struct ath11k *ar,
 	struct ieee80211_hdr *hdr;
 	struct sk_buff *last_buf;
 	u8 l3_pad_bytes;
+	u8 *hdr_status;
 	u16 msdu_len;
 	int ret;
 
@@ -2294,8 +2299,13 @@ static int ath11k_dp_rx_process_msdu(struct ath11k *ar,
 		skb_pull(msdu, HAL_RX_DESC_SIZE);
 	} else if (!rxcb->is_continuation) {
 		if ((msdu_len + HAL_RX_DESC_SIZE) > DP_RX_BUFFER_SIZE) {
+			hdr_status = ath11k_dp_rx_h_80211_hdr(rx_desc);
 			ret = -EINVAL;
 			ath11k_warn(ar->ab, "invalid msdu len %u\n", msdu_len);
+			ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", hdr_status,
+					sizeof(struct ieee80211_hdr));
+			ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", rx_desc,
+					sizeof(struct hal_rx_desc));
 			goto free_out;
 		}
 		skb_put(msdu, HAL_RX_DESC_SIZE + l3_pad_bytes + msdu_len);
@@ -2961,8 +2971,8 @@ static int ath11k_dp_rx_h_verify_tkip_mic(struct ath11k *ar, struct ath11k_peer
 	return 0;
 
 mic_fail:
-	(ATH11K_SKB_RXCB(msdu))->is_first_msdu = 1;
+	(ATH11K_SKB_RXCB(msdu))->is_first_msdu = true;
-	(ATH11K_SKB_RXCB(msdu))->is_last_msdu = 1;
+	(ATH11K_SKB_RXCB(msdu))->is_last_msdu = true;
 
 	rxs->flag |= RX_FLAG_MMIC_ERROR | RX_FLAG_MMIC_STRIPPED |
 		    RX_FLAG_IV_STRIPPED | RX_FLAG_DECRYPTED;
@@ -3390,6 +3400,7 @@ ath11k_dp_process_rx_err_buf(struct ath11k *ar, u32 *ring_desc, int buf_id, bool
 	struct sk_buff *msdu;
 	struct ath11k_skb_rxcb *rxcb;
 	struct hal_rx_desc *rx_desc;
+	u8 *hdr_status;
 	u16 msdu_len;
 
 	spin_lock_bh(&rx_ring->idr_lock);
@@ -3427,6 +3438,17 @@ ath11k_dp_process_rx_err_buf(struct ath11k *ar, u32 *ring_desc, int buf_id, bool
 
 	rx_desc = (struct hal_rx_desc *)msdu->data;
 	msdu_len = ath11k_dp_rx_h_msdu_start_msdu_len(rx_desc);
+	if ((msdu_len + HAL_RX_DESC_SIZE) > DP_RX_BUFFER_SIZE) {
+		hdr_status = ath11k_dp_rx_h_80211_hdr(rx_desc);
+		ath11k_warn(ar->ab, "invalid msdu leng %u", msdu_len);
+		ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", hdr_status,
+				sizeof(struct ieee80211_hdr));
+		ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "", rx_desc,
+				sizeof(struct hal_rx_desc));
+		dev_kfree_skb_any(msdu);
+		goto exit;
+	}
+
 	skb_put(msdu, HAL_RX_DESC_SIZE + msdu_len);
 
 	if (ath11k_dp_rx_frag_h_mpdu(ar, msdu, ring_desc)) {

drivers/net/wireless/ath/ath11k/dp_tx.c

@@ -9,14 +9,14 @@
 #include "hw.h"
 #include "peer.h"
 
-/* NOTE: Any of the mapped ring id value must not exceed DP_TCL_NUM_RING_MAX */
-static const u8
-ath11k_txq_tcl_ring_map[ATH11K_HW_MAX_QUEUES] = { 0x0, 0x1, 0x2, 0x2 };
-
 static enum hal_tcl_encap_type
 ath11k_dp_tx_get_encap_type(struct ath11k_vif *arvif, struct sk_buff *skb)
 {
-	/* TODO: Determine encap type based on vif_type and configuration */
+	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
+
+	if (tx_info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP)
+		return HAL_TCL_ENCAP_TYPE_ETHERNET;
+
 	return HAL_TCL_ENCAP_TYPE_NATIVE_WIFI;
 }
 
@@ -40,8 +40,11 @@ static void ath11k_dp_tx_encap_nwifi(struct sk_buff *skb)
 static u8 ath11k_dp_tx_get_tid(struct sk_buff *skb)
 {
 	struct ieee80211_hdr *hdr = (void *)skb->data;
+	struct ath11k_skb_cb *cb = ATH11K_SKB_CB(skb);
 
-	if (!ieee80211_is_data_qos(hdr->frame_control))
+	if (cb->flags & ATH11K_SKB_HW_80211_ENCAP)
+		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
+	else if (!ieee80211_is_data_qos(hdr->frame_control))
 		return HAL_DESC_REO_NON_QOS_TID;
 	else
 		return skb->priority & IEEE80211_QOS_CTL_TID_MASK;
@@ -84,15 +87,31 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 	u8 pool_id;
 	u8 hal_ring_id;
 	int ret;
+	u8 ring_selector = 0, ring_map = 0;
+	bool tcl_ring_retry;
 
 	if (test_bit(ATH11K_FLAG_CRASH_FLUSH, &ar->ab->dev_flags))
 		return -ESHUTDOWN;
 
-	if (!ieee80211_is_data(hdr->frame_control))
+	if (!(info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) &&
+	    !ieee80211_is_data(hdr->frame_control))
 		return -ENOTSUPP;
 
 	pool_id = skb_get_queue_mapping(skb) & (ATH11K_HW_MAX_QUEUES - 1);
-	ti.ring_id = ath11k_txq_tcl_ring_map[pool_id];
+
+	/* Let the default ring selection be based on a round robin
+	 * fashion where one of the 3 tcl rings are selected based on
+	 * the tcl_ring_selector counter. In case that ring
+	 * is full/busy, we resort to other available rings.
+	 * If all rings are full, we drop the packet.
+	 * //TODO Add throttling logic when all rings are full
+	 */
+	ring_selector = atomic_inc_return(&ab->tcl_ring_selector);
+
+tcl_ring_sel:
+	tcl_ring_retry = false;
+	ti.ring_id = ring_selector % DP_TCL_NUM_RING_MAX;
+	ring_map |= BIT(ti.ring_id);
 
 	tx_ring = &dp->tx_ring[ti.ring_id];
 
@@ -101,8 +120,14 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 			DP_TX_IDR_SIZE - 1, GFP_ATOMIC);
 	spin_unlock_bh(&tx_ring->tx_idr_lock);
 
-	if (ret < 0)
+	if (ret < 0) {
-		return -ENOSPC;
+		if (ring_map == (BIT(DP_TCL_NUM_RING_MAX) - 1))
+			return -ENOSPC;
+
+		/* Check if the next ring is available */
+		ring_selector++;
+		goto tcl_ring_sel;
+	}
 
 	ti.desc_id = FIELD_PREP(DP_TX_DESC_ID_MAC_ID, ar->pdev_idx) |
 		     FIELD_PREP(DP_TX_DESC_ID_MSDU_ID, ret) |
@@ -149,7 +174,10 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 		 *	  skb_checksum_help() is needed
 		 */
 	case HAL_TCL_ENCAP_TYPE_ETHERNET:
+		/* no need to encap */
+		break;
 	case HAL_TCL_ENCAP_TYPE_802_3:
+	default:
 		/* TODO: Take care of other encap modes as well */
 		ret = -EINVAL;
 		goto fail_remove_idr;
@@ -178,11 +206,21 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 	if (!hal_tcl_desc) {
 		/* NOTE: It is highly unlikely we'll be running out of tcl_ring
 		 * desc because the desc is directly enqueued onto hw queue.
-		 * So add tx packet throttling logic in future if required.
 		 */
 		ath11k_hal_srng_access_end(ab, tcl_ring);
 		spin_unlock_bh(&tcl_ring->lock);
 		ret = -ENOMEM;
+
+		/* Checking for available tcl descritors in another ring in
+		 * case of failure due to full tcl ring now, is better than
+		 * checking this ring earlier for each pkt tx.
+		 * Restart ring selection if some rings are not checked yet.
+		 */
+		if (ring_map != (BIT(DP_TCL_NUM_RING_MAX) - 1)) {
+			tcl_ring_retry = true;
+			ring_selector++;
+		}
+
 		goto fail_unmap_dma;
 	}
 
@@ -206,6 +244,9 @@ int ath11k_dp_tx(struct ath11k *ar, struct ath11k_vif *arvif,
 		   FIELD_GET(DP_TX_DESC_ID_MSDU_ID, ti.desc_id));
 	spin_unlock_bh(&tx_ring->tx_idr_lock);
 
+	if (tcl_ring_retry)
+		goto tcl_ring_sel;
+
 	return ret;
 }
 
@@ -543,8 +584,12 @@ int ath11k_dp_tx_send_reo_cmd(struct ath11k_base *ab, struct dp_rx_tid *rx_tid,
 	cmd_ring = &ab->hal.srng_list[dp->reo_cmd_ring.ring_id];
 	cmd_num = ath11k_hal_reo_cmd_send(ab, cmd_ring, type, cmd);
 
+	/* cmd_num should start from 1, during failure return the error code */
+	if (cmd_num < 0)
+		return cmd_num;
+
 	/* reo cmd ring descriptors has cmd_num starting from 1 */
-	if (cmd_num <= 0)
+	if (cmd_num == 0)
 		return -EINVAL;
 
 	if (!cb)

drivers/net/wireless/ath/ath11k/hal_desc.h

@@ -477,7 +477,7 @@ enum hal_tlv_tag {
 
 struct hal_tlv_hdr {
 	u32 tl;
-	u8 value[0];
+	u8 value[];
 } __packed;
 
 #define RX_MPDU_DESC_INFO0_MSDU_COUNT		GENMASK(7, 0)
@@ -1972,7 +1972,7 @@ struct hal_rx_reo_queue {
 	u32 processed_total_bytes;
 	u32 info5;
 	u32 rsvd[3];
-	struct hal_rx_reo_queue_ext ext_desc[0];
+	struct hal_rx_reo_queue_ext ext_desc[];
 } __packed;
 
 /* hal_rx_reo_queue

drivers/net/wireless/ath/ath11k/hal_rx.h

@@ -23,7 +23,7 @@ struct hal_rx_wbm_rel_info {
 
 struct hal_rx_mon_status_tlv_hdr {
 	u32 hdr;
-	u8 value[0];
+	u8 value[];
 };
 
 enum hal_rx_su_mu_coding {

drivers/net/wireless/ath/ath11k/hw.h

@@ -111,7 +111,7 @@ struct ath11k_hw_params {
 struct ath11k_fw_ie {
 	__le32 id;
 	__le32 len;
-	u8 data[0];
+	u8 data[];
 };
 
 enum ath11k_bd_ie_board_type {

drivers/net/wireless/ath/ath11k/mac.c

@@ -33,6 +33,12 @@
 	.max_power              = 30, \
 }
 
+/* frame mode values are mapped as per enum ath11k_hw_txrx_mode */
+static unsigned int ath11k_frame_mode = ATH11K_HW_TXRX_NATIVE_WIFI;
+module_param_named(frame_mode, ath11k_frame_mode, uint, 0644);
+MODULE_PARM_DESC(frame_mode,
+		 "Datapath frame mode (0: raw, 1: native wifi (default), 2: ethernet)");
+
 static const struct ieee80211_channel ath11k_2ghz_channels[] = {
 	CHAN2G(1, 2412, 0),
 	CHAN2G(2, 2417, 0),
@@ -1142,6 +1148,10 @@ static void ath11k_peer_assoc_h_vht(struct ath11k *ar,
 	arg->tx_mcs_set &= ~IEEE80211_VHT_MCS_SUPPORT_0_11_MASK;
 	arg->tx_mcs_set |= IEEE80211_DISABLE_VHT_MCS_SUPPORT_0_11;
 
+	if ((arg->tx_mcs_set & IEEE80211_VHT_MCS_NOT_SUPPORTED) ==
+			IEEE80211_VHT_MCS_NOT_SUPPORTED)
+		arg->peer_vht_caps &= ~IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
+
 	/* TODO:  Check */
 	arg->tx_max_mcs_nss = 0xFF;
 
@@ -3682,10 +3692,10 @@ static int __ath11k_set_antenna(struct ath11k *ar, u32 tx_ant, u32 rx_ant)
 
 int ath11k_mac_tx_mgmt_pending_free(int buf_id, void *skb, void *ctx)
 {
+	struct sk_buff *msdu = skb;
+	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(msdu);
 	struct ath11k *ar = ctx;
 	struct ath11k_base *ab = ar->ab;
-	struct sk_buff *msdu = skb;
-	struct ieee80211_tx_info *info;
 
 	spin_lock_bh(&ar->txmgmt_idr_lock);
 	idr_remove(&ar->txmgmt_idr, buf_id);
@@ -3725,6 +3735,7 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif,
 {
 	struct ath11k_base *ab = ar->ab;
 	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
+	struct ieee80211_tx_info *info;
 	dma_addr_t paddr;
 	int buf_id;
 	int ret;
@@ -3736,11 +3747,14 @@ static int ath11k_mac_mgmt_tx_wmi(struct ath11k *ar, struct ath11k_vif *arvif,
 	if (buf_id < 0)
 		return -ENOSPC;
 
-	if ((ieee80211_is_action(hdr->frame_control) ||
+	info = IEEE80211_SKB_CB(skb);
-	     ieee80211_is_deauth(hdr->frame_control) ||
+	if (!(info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP)) {
-	     ieee80211_is_disassoc(hdr->frame_control)) &&
+		if ((ieee80211_is_action(hdr->frame_control) ||
-	     ieee80211_has_protected(hdr->frame_control)) {
+		     ieee80211_is_deauth(hdr->frame_control) ||
-		skb_put(skb, IEEE80211_CCMP_MIC_LEN);
+		     ieee80211_is_disassoc(hdr->frame_control)) &&
+		     ieee80211_has_protected(hdr->frame_control)) {
+			skb_put(skb, IEEE80211_CCMP_MIC_LEN);
+		}
 	}
 
 	paddr = dma_map_single(ab->dev, skb->data, skb->len, DMA_TO_DEVICE);
@@ -3789,15 +3803,30 @@ static void ath11k_mgmt_over_wmi_tx_work(struct work_struct *work)
 
 	while ((skb = skb_dequeue(&ar->wmi_mgmt_tx_queue)) != NULL) {
 		info = IEEE80211_SKB_CB(skb);
-		arvif = ath11k_vif_to_arvif(info->control.vif);
+		if (!info->control.vif) {
-
+			ath11k_warn(ar->ab, "no vif found for mgmt frame, flags 0x%x\n",
-		ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb);
+				    info->control.flags);
-		if (ret) {
-			ath11k_warn(ar->ab, "failed to transmit management frame %d\n",
-				    ret);
 			ieee80211_free_txskb(ar->hw, skb);
+			continue;
+		}
+
+		arvif = ath11k_vif_to_arvif(info->control.vif);
+		if (ar->allocated_vdev_map & (1LL << arvif->vdev_id) &&
+		    arvif->is_started) {
+			ret = ath11k_mac_mgmt_tx_wmi(ar, arvif, skb);
+			if (ret) {
+				ath11k_warn(ar->ab, "failed to tx mgmt frame, vdev_id %d :%d\n",
+					    arvif->vdev_id, ret);
+				ieee80211_free_txskb(ar->hw, skb);
+			} else {
+				atomic_inc(&ar->num_pending_mgmt_tx);
+			}
 		} else {
-			atomic_inc(&ar->num_pending_mgmt_tx);
+			ath11k_warn(ar->ab,
+				    "dropping mgmt frame for vdev %d, flags 0x%x is_started %d\n",
+				    arvif->vdev_id, info->control.flags,
+				    arvif->is_started);
+			ieee80211_free_txskb(ar->hw, skb);
 		}
 	}
 }
@@ -3837,6 +3866,7 @@ static void ath11k_mac_op_tx(struct ieee80211_hw *hw,
 			     struct ieee80211_tx_control *control,
 			     struct sk_buff *skb)
 {
+	struct ath11k_skb_cb *skb_cb = ATH11K_SKB_CB(skb);
 	struct ath11k *ar = hw->priv;
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 	struct ieee80211_vif *vif = info->control.vif;
@@ -3845,7 +3875,9 @@ static void ath11k_mac_op_tx(struct ieee80211_hw *hw,
 	bool is_prb_rsp;
 	int ret;
 
-	if (ieee80211_is_mgmt(hdr->frame_control)) {
+	if (info->control.flags & IEEE80211_TX_CTRL_HW_80211_ENCAP) {
+		skb_cb->flags |= ATH11K_SKB_HW_80211_ENCAP;
+	} else if (ieee80211_is_mgmt(hdr->frame_control)) {
 		is_prb_rsp = ieee80211_is_probe_resp(hdr->frame_control);
 		ret = ath11k_mac_mgmt_tx(ar, skb, is_prb_rsp);
 		if (ret) {
@@ -3877,8 +3909,10 @@ static int ath11k_mac_config_mon_status_default(struct ath11k *ar, bool enable)
 	struct htt_rx_ring_tlv_filter tlv_filter = {0};
 	u32 ring_id;
 
-	if (enable)
+	if (enable) {
 		tlv_filter = ath11k_mac_mon_status_filter_default;
+		tlv_filter.rx_filter = ath11k_debug_rx_filter(ar);
+	}
 
 	ring_id = ar->dp.rx_mon_status_refill_ring.refill_buf_ring.ring_id;
 
@@ -4124,6 +4158,7 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
 	struct vdev_create_params vdev_param = {0};
 	struct peer_create_params peer_param;
 	u32 param_id, param_value;
+	int hw_encap = 0;
 	u16 nss;
 	int i;
 	int ret;
@@ -4208,6 +4243,8 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
 	}
 
 	ar->num_created_vdevs++;
+	ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM created, vdev_id %d\n",
+		   vif->addr, arvif->vdev_id);
 	ar->allocated_vdev_map |= 1LL << arvif->vdev_id;
 	ab->free_vdev_map &= ~(1LL << arvif->vdev_id);
 
@@ -4216,7 +4253,22 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
 	spin_unlock_bh(&ar->data_lock);
 
 	param_id = WMI_VDEV_PARAM_TX_ENCAP_TYPE;
-	param_value = ATH11K_HW_TXRX_NATIVE_WIFI;
+	if (ath11k_frame_mode == ATH11K_HW_TXRX_ETHERNET)
+		switch (vif->type) {
+		case NL80211_IFTYPE_STATION:
+		case NL80211_IFTYPE_AP_VLAN:
+		case NL80211_IFTYPE_AP:
+			hw_encap = 1;
+			break;
+		default:
+			break;
+		}
+
+	if (ieee80211_set_hw_80211_encap(vif, hw_encap))
+		param_value = ATH11K_HW_TXRX_ETHERNET;
+	else
+		param_value = ATH11K_HW_TXRX_NATIVE_WIFI;
+
 	ret = ath11k_wmi_vdev_set_param_cmd(ar, arvif->vdev_id,
 					    param_id, param_value);
 	if (ret) {
@@ -4378,6 +4430,8 @@ static void ath11k_mac_op_remove_interface(struct ieee80211_hw *hw,
 			    arvif->vdev_id, ret);
 
 	ar->num_created_vdevs--;
+	ath11k_dbg(ab, ATH11K_DBG_MAC, "vdev %pM deleted, vdev_id %d\n",
+		   vif->addr, arvif->vdev_id);
 	ar->allocated_vdev_map &= ~(1LL << arvif->vdev_id);
 	ab->free_vdev_map |= 1LL << (arvif->vdev_id);
 
@@ -4643,6 +4697,8 @@ ath11k_mac_vdev_start_restart(struct ath11k_vif *arvif,
 	}
 
 	ar->num_started_vdevs++;
+	ath11k_dbg(ab, ATH11K_DBG_MAC,  "vdev %pM started, vdev_id %d\n",
+		   arvif->vif->addr, arvif->vdev_id);
 
 	/* Enable CAC Flag in the driver by checking the channel DFS cac time,
 	 * i.e dfs_cac_ms value which will be valid only for radar channels
@@ -4701,6 +4757,8 @@ static int ath11k_mac_vdev_stop(struct ath11k_vif *arvif)
 	WARN_ON(ar->num_started_vdevs == 0);
 
 	ar->num_started_vdevs--;
+	ath11k_dbg(ar->ab, ATH11K_DBG_MAC, "vdev %pM stopped, vdev_id %d\n",
+		   arvif->vif->addr, arvif->vdev_id);
 
 	if (test_bit(ATH11K_CAC_RUNNING, &ar->dev_flags)) {
 		clear_bit(ATH11K_CAC_RUNNING, &ar->dev_flags);
@@ -5891,6 +5949,9 @@ int ath11k_mac_register(struct ath11k_base *ab)
 	int i;
 	int ret;
 
+	if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags))
+		return 0;
+
 	for (i = 0; i < ab->num_radios; i++) {
 		pdev = &ab->pdevs[i];
 		ar = pdev->ar;

drivers/net/wireless/ath/ath11k/wmi.h

@@ -39,7 +39,7 @@ struct wmi_cmd_hdr {
 
 struct wmi_tlv {
 	u32 header;
-	u8 value[0];
+	u8 value[];
 } __packed;
 
 #define WMI_TLV_LEN	GENMASK(15, 0)
@@ -1976,6 +1976,43 @@ enum wmi_tlv_service {
 	WMI_TLV_SERVICE_TX_DATA_MGMT_ACK_RSSI = 174,
 	WMI_TLV_SERVICE_NAN_DISABLE_SUPPORT = 175,
 	WMI_TLV_SERVICE_HTT_H2T_NO_HTC_HDR_LEN_IN_MSG_LEN = 176,
+	WMI_TLV_SERVICE_COEX_SUPPORT_UNEQUAL_ISOLATION = 177,
+	WMI_TLV_SERVICE_HW_DB2DBM_CONVERSION_SUPPORT = 178,
+	WMI_TLV_SERVICE_SUPPORT_EXTEND_ADDRESS = 179,
+	WMI_TLV_SERVICE_BEACON_RECEPTION_STATS = 180,
+	WMI_TLV_SERVICE_FETCH_TX_PN = 181,
+	WMI_TLV_SERVICE_PEER_UNMAP_RESPONSE_SUPPORT = 182,
+	WMI_TLV_SERVICE_TX_PER_PEER_AMPDU_SIZE = 183,
+	WMI_TLV_SERVICE_BSS_COLOR_SWITCH_COUNT = 184,
+	WMI_TLV_SERVICE_HTT_PEER_STATS_SUPPORT = 185,
+	WMI_TLV_SERVICE_UL_RU26_ALLOWED = 186,
+	WMI_TLV_SERVICE_GET_MWS_COEX_STATE = 187,
+	WMI_TLV_SERVICE_GET_MWS_DPWB_STATE = 188,
+	WMI_TLV_SERVICE_GET_MWS_TDM_STATE = 189,
+	WMI_TLV_SERVICE_GET_MWS_IDRX_STATE = 190,
+	WMI_TLV_SERVICE_GET_MWS_ANTENNA_SHARING_STATE = 191,
+	WMI_TLV_SERVICE_ENHANCED_TPC_CONFIG_EVENT = 192,
+	WMI_TLV_SERVICE_WLM_STATS_REQUEST = 193,
+	WMI_TLV_SERVICE_EXT_PEER_TID_CONFIGS_SUPPORT = 194,
+	WMI_TLV_SERVICE_WPA3_FT_SAE_SUPPORT = 195,
+	WMI_TLV_SERVICE_WPA3_FT_SUITE_B_SUPPORT = 196,
+	WMI_TLV_SERVICE_VOW_ENABLE = 197,
+	WMI_TLV_SERVICE_CFR_CAPTURE_IND_EVT_TYPE_1 = 198,
+	WMI_TLV_SERVICE_BROADCAST_TWT = 199,
+	WMI_TLV_SERVICE_RAP_DETECTION_SUPPORT = 200,
+	WMI_TLV_SERVICE_PS_TDCC = 201,
+	WMI_TLV_SERVICE_THREE_WAY_COEX_CONFIG_LEGACY   = 202,
+	WMI_TLV_SERVICE_THREE_WAY_COEX_CONFIG_OVERRIDE = 203,
+	WMI_TLV_SERVICE_TX_PWR_PER_PEER = 204,
+	WMI_TLV_SERVICE_STA_PLUS_STA_SUPPORT = 205,
+	WMI_TLV_SERVICE_WPA3_FT_FILS = 206,
+	WMI_TLV_SERVICE_ADAPTIVE_11R_ROAM = 207,
+	WMI_TLV_SERVICE_CHAN_RF_CHARACTERIZATION_INFO = 208,
+	WMI_TLV_SERVICE_FW_IFACE_COMBINATION_SUPPORT = 209,
+	WMI_TLV_SERVICE_TX_COMPL_TSF64 = 210,
+	WMI_TLV_SERVICE_DSM_ROAM_FILTER = 211,
+	WMI_TLV_SERVICE_PACKET_CAPTURE_SUPPORT = 212,
+	WMI_TLV_SERVICE_PER_PEER_HTT_STATS_RESET = 213,
 
 	WMI_MAX_EXT_SERVICE
 
@@ -4568,6 +4605,9 @@ enum wmi_sta_ps_param_rx_wake_policy {
 	WMI_STA_PS_RX_WAKE_POLICY_POLL_UAPSD = 1,
 };
 
+/* Do not change existing values! Used by ath11k_frame_mode parameter
+ * module parameter.
+ */
 enum ath11k_hw_txrx_mode {
 	ATH11K_HW_TXRX_RAW = 0,
 	ATH11K_HW_TXRX_NATIVE_WIFI = 1,

drivers/net/wireless/ath/ath5k/ani.c

@@ -501,7 +501,7 @@ ath5k_ani_calibration(struct ath5k_hw *ah)
 
 	if (as->ofdm_errors > ofdm_high || as->cck_errors > cck_high) {
 		/* too many PHY errors - we have to raise immunity */
-		bool ofdm_flag = as->ofdm_errors > ofdm_high ? true : false;
+		bool ofdm_flag = as->ofdm_errors > ofdm_high;
 		ath5k_ani_raise_immunity(ah, as, ofdm_flag);
 		ath5k_ani_period_restart(as);
 

drivers/net/wireless/ath/ath6kl/core.h

@@ -160,7 +160,7 @@ enum ath6kl_fw_capability {
 struct ath6kl_fw_ie {
 	__le32 id;
 	__le32 len;
-	u8 data[0];
+	u8 data[];
 };
 
 enum ath6kl_hw_flags {
@@ -406,7 +406,7 @@ struct ath6kl_mgmt_buff {
 	u32 id;
 	bool no_cck;
 	size_t len;
-	u8 buf[0];
+	u8 buf[];
 };
 
 struct ath6kl_sta {

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

@@ -30,7 +30,7 @@ struct ath6kl_fwlog_slot {
 	__le32 length;
 
 	/* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
-	u8 payload[0];
+	u8 payload[];
 };
 
 #define ATH6KL_FWLOG_MAX_ENTRIES 20

drivers/net/wireless/ath/ath6kl/hif.h

@@ -199,7 +199,7 @@ struct hif_scatter_req {
 
 	u32 scat_q_depth;
 
-	struct hif_scatter_item scat_list[0];
+	struct hif_scatter_item scat_list[];
 };
 
 struct ath6kl_irq_proc_registers {

drivers/net/wireless/ath/ath9k/ar9002_calib.c

@@ -19,6 +19,8 @@
 #include "ar9002_phy.h"
 
 #define AR9285_CLCAL_REDO_THRESH    1
+/* AGC & I/Q calibrations time limit, ms */
+#define AR9002_CAL_MAX_TIME		30000
 
 enum ar9002_cal_types {
 	ADC_GAIN_CAL = BIT(0),
@@ -37,9 +39,8 @@ static bool ar9002_hw_is_cal_supported(struct ath_hw *ah,
 		break;
 	case ADC_GAIN_CAL:
 	case ADC_DC_CAL:
-		/* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */
+		/* Run even/odd ADCs calibrations for HT40 channels only */
-		if (!((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) &&
+		if (IS_CHAN_HT40(chan))
-		      IS_CHAN_HT20(chan)))
 			supported = true;
 		break;
 	}
@@ -105,6 +106,14 @@ static bool ar9002_hw_per_calibration(struct ath_hw *ah,
 			} else {
 				ar9002_hw_setup_calibration(ah, currCal);
 			}
+		} else if (time_after(jiffies, ah->cal_start_time +
+				      msecs_to_jiffies(AR9002_CAL_MAX_TIME))) {
+			REG_CLR_BIT(ah, AR_PHY_TIMING_CTRL4(0),
+				    AR_PHY_TIMING_CTRL4_DO_CAL);
+			ath_dbg(ath9k_hw_common(ah), CALIBRATE,
+				"calibration timeout\n");
+			currCal->calState = CAL_WAITING;	/* Try later */
+			iscaldone = true;
 		}
 	} else if (!(caldata->CalValid & currCal->calData->calType)) {
 		ath9k_hw_reset_calibration(ah, currCal);
@@ -664,8 +673,13 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 	int ret;
 
 	nfcal = !!(REG_READ(ah, AR_PHY_AGC_CONTROL) & AR_PHY_AGC_CONTROL_NF);
-	if (ah->caldata)
+	if (ah->caldata) {
 		nfcal_pending = test_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
+		if (longcal)		/* Remember to not miss */
+			set_bit(LONGCAL_PENDING, &ah->caldata->cal_flags);
+		else if (test_bit(LONGCAL_PENDING, &ah->caldata->cal_flags))
+			longcal = true;	/* Respin a previous one */
+	}
 
 	percal_pending = (currCal &&
 			  (currCal->calState == CAL_RUNNING ||
@@ -675,9 +689,24 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 		if (!ar9002_hw_per_calibration(ah, chan, rxchainmask, currCal))
 			return 0;
 
-		ah->cal_list_curr = currCal = currCal->calNext;
+		/* Looking for next waiting calibration if any */
-		if (currCal->calState == CAL_WAITING)
+		for (currCal = currCal->calNext; currCal != ah->cal_list_curr;
-			ath9k_hw_reset_calibration(ah, currCal);
+		     currCal = currCal->calNext) {
+			if (currCal->calState == CAL_WAITING)
+				break;
+		}
+		if (currCal->calState == CAL_WAITING) {
+			percal_pending = true;
+			ah->cal_list_curr = currCal;
+		} else {
+			percal_pending = false;
+			ah->cal_list_curr = ah->cal_list;
+		}
+	}
+
+	/* Do not start a next calibration if the longcal is in action */
+	if (percal_pending && !nfcal && !longcal) {
+		ath9k_hw_reset_calibration(ah, currCal);
 
 		return 0;
 	}
@@ -701,6 +730,9 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan,
 		}
 
 		if (longcal) {
+			if (ah->caldata)
+				clear_bit(LONGCAL_PENDING,
+					  &ah->caldata->cal_flags);
 			ath9k_hw_start_nfcal(ah, false);
 			/* Do periodic PAOffset Cal */
 			ar9002_hw_pa_cal(ah, false);
@@ -858,9 +890,6 @@ static bool ar9002_hw_init_cal(struct ath_hw *ah, struct ath9k_channel *chan)
 	ath9k_hw_loadnf(ah, chan);
 	ath9k_hw_start_nfcal(ah, true);
 
-	if (ah->caldata)
-		set_bit(NFCAL_PENDING, &ah->caldata->cal_flags);
-
 	ah->cal_list = ah->cal_list_last = ah->cal_list_curr = NULL;
 
 	/* Enable IQ, ADC Gain and ADC DC offset CALs */

drivers/net/wireless/ath/ath9k/calib.c

@@ -176,6 +176,7 @@ void ath9k_hw_reset_calibration(struct ath_hw *ah,
 
 	ath9k_hw_setup_calibration(ah, currCal);
 
+	ah->cal_start_time = jiffies;
 	currCal->calState = CAL_RUNNING;
 
 	for (i = 0; i < AR5416_MAX_CHAINS; i++) {
@@ -209,14 +210,17 @@ bool ath9k_hw_reset_calvalid(struct ath_hw *ah)
 		return true;
 	}
 
-	if (!(ah->supp_cals & currCal->calData->calType))
+	currCal = ah->cal_list;
-		return true;
+	do {
+		ath_dbg(common, CALIBRATE, "Resetting Cal %d state for channel %u\n",
+			currCal->calData->calType,
+			ah->curchan->chan->center_freq);
 
-	ath_dbg(common, CALIBRATE, "Resetting Cal %d state for channel %u\n",
+		ah->caldata->CalValid &= ~currCal->calData->calType;
-		currCal->calData->calType, ah->curchan->chan->center_freq);
+		currCal->calState = CAL_WAITING;
 
-	ah->caldata->CalValid &= ~currCal->calData->calType;
+		currCal = currCal->calNext;
-	currCal->calState = CAL_WAITING;
+	} while (currCal != ah->cal_list);
 
 	return false;
 }

drivers/net/wireless/ath/ath9k/htc_drv_txrx.c

@@ -999,9 +999,9 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
 	 * which are not PHY_ERROR (short radar pulses have a length of 3)
 	 */
 	if (unlikely(!rs_datalen || (rs_datalen < 10 && !is_phyerr))) {
-		ath_warn(common,
+		ath_dbg(common, ANY,
-			 "Short RX data len, dropping (dlen: %d)\n",
+			"Short RX data len, dropping (dlen: %d)\n",
-			 rs_datalen);
+			rs_datalen);
 		goto rx_next;
 	}
 

drivers/net/wireless/ath/ath9k/hw.h

@@ -427,6 +427,7 @@ enum ath9k_cal_flags {
 	TXIQCAL_DONE,
 	TXCLCAL_DONE,
 	SW_PKDET_DONE,
+	LONGCAL_PENDING,
 };
 
 struct ath9k_hw_cal_data {
@@ -833,6 +834,7 @@ struct ath_hw {
 
 	/* Calibration */
 	u32 supp_cals;
+	unsigned long cal_start_time;
 	struct ath9k_cal_list iq_caldata;
 	struct ath9k_cal_list adcgain_caldata;
 	struct ath9k_cal_list adcdc_caldata;

drivers/net/wireless/ath/carl9170/fw.c

@@ -338,9 +338,7 @@ static int carl9170_fw(struct ar9170 *ar, const __u8 *data, size_t len)
 		ar->hw->wiphy->interface_modes |= BIT(NL80211_IFTYPE_ADHOC);
 
 		if (SUPP(CARL9170FW_WLANTX_CAB)) {
-			if_comb_types |=
+			if_comb_types |= BIT(NL80211_IFTYPE_AP);
-				BIT(NL80211_IFTYPE_AP) |
-				BIT(NL80211_IFTYPE_P2P_GO);
 
 #ifdef CONFIG_MAC80211_MESH
 			if_comb_types |=

drivers/net/wireless/ath/carl9170/main.c

@@ -582,11 +582,10 @@ static int carl9170_init_interface(struct ar9170 *ar,
 	ar->disable_offload |= ((vif->type != NL80211_IFTYPE_STATION) &&
 	    (vif->type != NL80211_IFTYPE_AP));
 
-	/* While the driver supports HW offload in a single
+	/* The driver used to have P2P GO+CLIENT support,
-	 * P2P client configuration, it doesn't support HW
+	 * but since this was dropped and we don't know if
-	 * offload in the favourit, concurrent P2P GO+CLIENT
+	 * there are any gremlins lurking in the shadows,
-	 * configuration. Hence, HW offload will always be
+	 * so best we keep HW offload disabled for P2P.
-	 * disabled for P2P.
 	 */
 	ar->disable_offload |= vif->p2p;
 
@@ -639,18 +638,6 @@ static int carl9170_op_add_interface(struct ieee80211_hw *hw,
 			if (vif->type == NL80211_IFTYPE_STATION)
 				break;
 
-			/* P2P GO [master] use-case
-			 * Because the P2P GO station is selected dynamically
-			 * by all participating peers of a WIFI Direct network,
-			 * the driver has be able to change the main interface
-			 * operating mode on the fly.
-			 */
-			if (main_vif->p2p && vif->p2p &&
-			    vif->type == NL80211_IFTYPE_AP) {
-				old_main = main_vif;
-				break;
-			}
-
 			err = -EBUSY;
 			rcu_read_unlock();