Merge tag 'for-linville-20131203' of git://github.com/kvalo/ath

Conflicts:
	drivers/net/wireless/ath/ath10k/htc.c
	drivers/net/wireless/ath/ath10k/mac.c

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

@@ -243,6 +243,16 @@ static inline void ath10k_ce_error_intr_enable(struct ath10k *ar,
 			   misc_ie_addr | CE_ERROR_MASK);
 }
 
+static inline void ath10k_ce_error_intr_disable(struct ath10k *ar,
+						u32 ce_ctrl_addr)
+{
+	u32 misc_ie_addr = ath10k_pci_read32(ar,
+					     ce_ctrl_addr + MISC_IE_ADDRESS);
+
+	ath10k_pci_write32(ar, ce_ctrl_addr + MISC_IE_ADDRESS,
+			   misc_ie_addr & ~CE_ERROR_MASK);
+}
+
 static inline void ath10k_ce_engine_int_status_clear(struct ath10k *ar,
 						     u32 ce_ctrl_addr,
 						     unsigned int mask)
@@ -731,7 +741,6 @@ void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id)
 
 void ath10k_ce_per_engine_service_any(struct ath10k *ar)
 {
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	int ce_id, ret;
 	u32 intr_summary;
 
@@ -741,7 +750,7 @@ void ath10k_ce_per_engine_service_any(struct ath10k *ar)
 
 	intr_summary = CE_INTERRUPT_SUMMARY(ar);
 
-	for (ce_id = 0; intr_summary && (ce_id < ar_pci->ce_count); ce_id++) {
+	for (ce_id = 0; intr_summary && (ce_id < CE_COUNT); ce_id++) {
 		if (intr_summary & (1 << ce_id))
 			intr_summary &= ~(1 << ce_id);
 		else
@@ -783,22 +792,25 @@ static void ath10k_ce_per_engine_handler_adjust(struct ath10k_ce_pipe *ce_state,
 	ath10k_pci_sleep(ar);
 }
 
-void ath10k_ce_disable_interrupts(struct ath10k *ar)
+int ath10k_ce_disable_interrupts(struct ath10k *ar)
 {
-	struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
 	int ce_id, ret;
 
 	ret = ath10k_pci_wake(ar);
 	if (ret)
-		return;
+		return ret;
 
-	for (ce_id = 0; ce_id < ar_pci->ce_count; ce_id++) {
-		struct ath10k_ce_pipe *ce_state = &ar_pci->ce_states[ce_id];
-		u32 ctrl_addr = ce_state->ctrl_addr;
+	for (ce_id = 0; ce_id < CE_COUNT; ce_id++) {
+		u32 ctrl_addr = ath10k_ce_base_address(ce_id);
 
 		ath10k_ce_copy_complete_intr_disable(ar, ctrl_addr);
+		ath10k_ce_error_intr_disable(ar, ctrl_addr);
+		ath10k_ce_watermark_intr_disable(ar, ctrl_addr);
 	}
+
 	ath10k_pci_sleep(ar);
+
+	return 0;
 }
 
 void ath10k_ce_send_cb_register(struct ath10k_ce_pipe *ce_state,
@@ -1047,9 +1059,19 @@ struct ath10k_ce_pipe *ath10k_ce_init(struct ath10k *ar,
 				const struct ce_attr *attr)
 {
 	struct ath10k_ce_pipe *ce_state;
-	u32 ctrl_addr = ath10k_ce_base_address(ce_id);
 	int ret;
 
+	/*
+	 * Make sure there's enough CE ringbuffer entries for HTT TX to avoid
+	 * additional TX locking checks.
+	 *
+	 * For the lack of a better place do the check here.
+	 */
+	BUILD_BUG_ON(TARGET_NUM_MSDU_DESC >
+		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
+	BUILD_BUG_ON(TARGET_10X_NUM_MSDU_DESC >
+		     (CE_HTT_H2T_MSG_SRC_NENTRIES - 1));
+
 	ret = ath10k_pci_wake(ar);
 	if (ret)
 		return NULL;
@@ -1057,7 +1079,7 @@ struct ath10k_ce_pipe *ath10k_ce_init(struct ath10k *ar,
 	ce_state = ath10k_ce_init_state(ar, ce_id, attr);
 	if (!ce_state) {
 		ath10k_err("Failed to initialize CE state for ID: %d\n", ce_id);
-		return NULL;
+		goto out;
 	}
 
 	if (attr->src_nentries) {
@@ -1066,7 +1088,8 @@ struct ath10k_ce_pipe *ath10k_ce_init(struct ath10k *ar,
 			ath10k_err("Failed to initialize CE src ring for ID: %d (%d)\n",
 				   ce_id, ret);
 			ath10k_ce_deinit(ce_state);
-			return NULL;
+			ce_state = NULL;
+			goto out;
 		}
 	}
 
@@ -1076,15 +1099,13 @@ struct ath10k_ce_pipe *ath10k_ce_init(struct ath10k *ar,
 			ath10k_err("Failed to initialize CE dest ring for ID: %d (%d)\n",
 				   ce_id, ret);
 			ath10k_ce_deinit(ce_state);
-			return NULL;
+			ce_state = NULL;
+			goto out;
 		}
 	}
 
-	/* Enable CE error interrupts */
-	ath10k_ce_error_intr_enable(ar, ctrl_addr);
-
+out:
 	ath10k_pci_sleep(ar);
-
 	return ce_state;
 }
 

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

@@ -234,7 +234,7 @@ void ath10k_ce_deinit(struct ath10k_ce_pipe *ce_state);
 /*==================CE Interrupt Handlers====================*/
 void ath10k_ce_per_engine_service_any(struct ath10k *ar);
 void ath10k_ce_per_engine_service(struct ath10k *ar, unsigned int ce_id);
-void ath10k_ce_disable_interrupts(struct ath10k *ar);
+int ath10k_ce_disable_interrupts(struct ath10k *ar);
 
 /* ce_attr.flags values */
 /* Use NonSnooping PCIe accesses? */

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

@@ -597,10 +597,8 @@ static int ath10k_init_uart(struct ath10k *ar)
 		return ret;
 	}
 
-	if (!uart_print) {
-		ath10k_info("UART prints disabled\n");
+	if (!uart_print)
 		return 0;
-	}
 
 	ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7);
 	if (ret) {
@@ -645,7 +643,7 @@ static int ath10k_init_hw_params(struct ath10k *ar)
 
 	ar->hw_params = *hw_params;
 
-	ath10k_info("Hardware name %s version 0x%x\n",
+	ath10k_dbg(ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
 		   ar->hw_params.name, ar->target_version);
 
 	return 0;
@@ -664,7 +662,8 @@ static void ath10k_core_restart(struct work_struct *work)
 		ieee80211_restart_hw(ar->hw);
 		break;
 	case ATH10K_STATE_OFF:
-		/* this can happen if driver is being unloaded */
+		/* this can happen if driver is being unloaded
+		 * or if the crash happens during FW probing */
 		ath10k_warn("cannot restart a device that hasn't been started\n");
 		break;
 	case ATH10K_STATE_RESTARTING:
@@ -737,8 +736,6 @@ EXPORT_SYMBOL(ath10k_core_create);
 
 void ath10k_core_destroy(struct ath10k *ar)
 {
-	ath10k_debug_destroy(ar);
-
 	flush_workqueue(ar->workqueue);
 	destroy_workqueue(ar->workqueue);
 
@@ -786,21 +783,30 @@ int ath10k_core_start(struct ath10k *ar)
 		goto err;
 	}
 
-	status = ath10k_htc_wait_target(&ar->htc);
-	if (status)
+	status = ath10k_hif_start(ar);
+	if (status) {
+		ath10k_err("could not start HIF: %d\n", status);
 		goto err_wmi_detach;
+	}
+
+	status = ath10k_htc_wait_target(&ar->htc);
+	if (status) {
+		ath10k_err("failed to connect to HTC: %d\n", status);
+		goto err_hif_stop;
+	}
 
 	status = ath10k_htt_attach(ar);
 	if (status) {
 		ath10k_err("could not attach htt (%d)\n", status);
-		goto err_wmi_detach;
+		goto err_hif_stop;
 	}
 
 	status = ath10k_init_connect_htc(ar);
 	if (status)
 		goto err_htt_detach;
 
-	ath10k_info("firmware %s booted\n", ar->hw->wiphy->fw_version);
+	ath10k_dbg(ATH10K_DBG_BOOT, "firmware %s booted\n",
+		   ar->hw->wiphy->fw_version);
 
 	status = ath10k_wmi_cmd_init(ar);
 	if (status) {
@@ -826,12 +832,23 @@ int ath10k_core_start(struct ath10k *ar)
 	ar->free_vdev_map = (1 << TARGET_NUM_VDEVS) - 1;
 	INIT_LIST_HEAD(&ar->arvifs);
 
+	if (!test_bit(ATH10K_FLAG_FIRST_BOOT_DONE, &ar->dev_flags))
+		ath10k_info("%s (0x%x) fw %s api %d htt %d.%d\n",
+			    ar->hw_params.name, ar->target_version,
+			    ar->hw->wiphy->fw_version, ar->fw_api,
+			    ar->htt.target_version_major,
+			    ar->htt.target_version_minor);
+
+	__set_bit(ATH10K_FLAG_FIRST_BOOT_DONE, &ar->dev_flags);
+
 	return 0;
 
 err_disconnect_htc:
 	ath10k_htc_stop(&ar->htc);
 err_htt_detach:
 	ath10k_htt_detach(&ar->htt);
+err_hif_stop:
+	ath10k_hif_stop(ar);
 err_wmi_detach:
 	ath10k_wmi_detach(ar);
 err:
@@ -985,6 +1002,8 @@ void ath10k_core_unregister(struct ath10k *ar)
 	ath10k_mac_unregister(ar);
 
 	ath10k_core_free_firmware_files(ar);
+
+	ath10k_debug_destroy(ar);
 }
 EXPORT_SYMBOL(ath10k_core_unregister);
 

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

@@ -30,6 +30,7 @@
 #include "wmi.h"
 #include "../ath.h"
 #include "../regd.h"
+#include "../dfs_pattern_detector.h"
 
 #define MS(_v, _f) (((_v) & _f##_MASK) >> _f##_LSB)
 #define SM(_v, _f) (((_v) << _f##_LSB) & _f##_MASK)
@@ -43,7 +44,7 @@
 /* Antenna noise floor */
 #define ATH10K_DEFAULT_NOISE_FLOOR -95
 
-#define ATH10K_MAX_NUM_MGMT_PENDING 16
+#define ATH10K_MAX_NUM_MGMT_PENDING 128
 
 struct ath10k;
 
@@ -192,6 +193,14 @@ struct ath10k_target_stats {
 
 };
 
+struct ath10k_dfs_stats {
+	u32 phy_errors;
+	u32 pulses_total;
+	u32 pulses_detected;
+	u32 pulses_discarded;
+	u32 radar_detected;
+};
+
 #define ATH10K_MAX_NUM_PEER_IDS (1 << 11) /* htt rx_desc limit */
 
 struct ath10k_peer {
@@ -261,6 +270,8 @@ struct ath10k_debug {
 
 	unsigned long htt_stats_mask;
 	struct delayed_work htt_stats_dwork;
+	struct ath10k_dfs_stats dfs_stats;
+	struct ath_dfs_pool_stats dfs_pool_stats;
 };
 
 enum ath10k_state {
@@ -299,6 +310,12 @@ enum ath10k_fw_features {
 	ATH10K_FW_FEATURE_COUNT,
 };
 
+enum ath10k_dev_flags {
+	/* Indicates that ath10k device is during CAC phase of DFS */
+	ATH10K_CAC_RUNNING,
+	ATH10K_FLAG_FIRST_BOOT_DONE,
+};
+
 struct ath10k {
 	struct ath_common ath_common;
 	struct ieee80211_hw *hw;
@@ -392,6 +409,8 @@ struct ath10k {
 	bool monitor_enabled;
 	bool monitor_present;
 	unsigned int filter_flags;
+	unsigned long dev_flags;
+	u32 dfs_block_radar_events;
 
 	struct wmi_pdev_set_wmm_params_arg wmm_params;
 	struct completion install_key_done;
@@ -428,6 +447,8 @@ struct ath10k {
 	u32 survey_last_cycle_count;
 	struct survey_info survey[ATH10K_NUM_CHANS];
 
+	struct dfs_pattern_detector *dfs_detector;
+
 #ifdef CONFIG_ATH10K_DEBUGFS
 	struct ath10k_debug debug;
 #endif

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

@@ -639,6 +639,86 @@ void ath10k_debug_stop(struct ath10k *ar)
 		cancel_delayed_work(&ar->debug.htt_stats_dwork);
 }
 
+static ssize_t ath10k_write_simulate_radar(struct file *file,
+					   const char __user *user_buf,
+					   size_t count, loff_t *ppos)
+{
+	struct ath10k *ar = file->private_data;
+
+	ieee80211_radar_detected(ar->hw);
+
+	return count;
+}
+
+static const struct file_operations fops_simulate_radar = {
+	.write = ath10k_write_simulate_radar,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
+#define ATH10K_DFS_STAT(s, p) (\
+	len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
+			 ar->debug.dfs_stats.p))
+
+#define ATH10K_DFS_POOL_STAT(s, p) (\
+	len += scnprintf(buf + len, size - len, "%-28s : %10u\n", s, \
+			 ar->debug.dfs_pool_stats.p))
+
+static ssize_t ath10k_read_dfs_stats(struct file *file, char __user *user_buf,
+				     size_t count, loff_t *ppos)
+{
+	int retval = 0, len = 0;
+	const int size = 8000;
+	struct ath10k *ar = file->private_data;
+	char *buf;
+
+	buf = kzalloc(size, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	if (!ar->dfs_detector) {
+		len += scnprintf(buf + len, size - len, "DFS not enabled\n");
+		goto exit;
+	}
+
+	ar->debug.dfs_pool_stats =
+			ar->dfs_detector->get_stats(ar->dfs_detector);
+
+	len += scnprintf(buf + len, size - len, "Pulse detector statistics:\n");
+
+	ATH10K_DFS_STAT("reported phy errors", phy_errors);
+	ATH10K_DFS_STAT("pulse events reported", pulses_total);
+	ATH10K_DFS_STAT("DFS pulses detected", pulses_detected);
+	ATH10K_DFS_STAT("DFS pulses discarded", pulses_discarded);
+	ATH10K_DFS_STAT("Radars detected", radar_detected);
+
+	len += scnprintf(buf + len, size - len, "Global Pool statistics:\n");
+	ATH10K_DFS_POOL_STAT("Pool references", pool_reference);
+	ATH10K_DFS_POOL_STAT("Pulses allocated", pulse_allocated);
+	ATH10K_DFS_POOL_STAT("Pulses alloc error", pulse_alloc_error);
+	ATH10K_DFS_POOL_STAT("Pulses in use", pulse_used);
+	ATH10K_DFS_POOL_STAT("Seqs. allocated", pseq_allocated);
+	ATH10K_DFS_POOL_STAT("Seqs. alloc error", pseq_alloc_error);
+	ATH10K_DFS_POOL_STAT("Seqs. in use", pseq_used);
+
+exit:
+	if (len > size)
+		len = size;
+
+	retval = simple_read_from_buffer(user_buf, count, ppos, buf, len);
+	kfree(buf);
+
+	return retval;
+}
+
+static const struct file_operations fops_dfs_stats = {
+	.read = ath10k_read_dfs_stats,
+	.open = simple_open,
+	.owner = THIS_MODULE,
+	.llseek = default_llseek,
+};
+
 int ath10k_debug_create(struct ath10k *ar)
 {
 	ar->debug.debugfs_phy = debugfs_create_dir("ath10k",
@@ -667,6 +747,20 @@ int ath10k_debug_create(struct ath10k *ar)
 	debugfs_create_file("htt_stats_mask", S_IRUSR, ar->debug.debugfs_phy,
 			    ar, &fops_htt_stats_mask);
 
+	if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
+		debugfs_create_file("dfs_simulate_radar", S_IWUSR,
+				    ar->debug.debugfs_phy, ar,
+				    &fops_simulate_radar);
+
+		debugfs_create_bool("dfs_block_radar_events", S_IWUSR,
+				    ar->debug.debugfs_phy,
+				    &ar->dfs_block_radar_events);
+
+		debugfs_create_file("dfs_stats", S_IRUSR,
+				    ar->debug.debugfs_phy, ar,
+				    &fops_dfs_stats);
+	}
+
 	return 0;
 }
 

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

@@ -33,6 +33,7 @@ enum ath10k_debug_mask {
 	ATH10K_DBG_MGMT		= 0x00000100,
 	ATH10K_DBG_DATA		= 0x00000200,
 	ATH10K_DBG_BMI		= 0x00000400,
+	ATH10K_DBG_REGULATORY	= 0x00000800,
 	ATH10K_DBG_ANY		= 0xffffffff,
 };
 
@@ -53,6 +54,8 @@ void ath10k_debug_read_service_map(struct ath10k *ar,
 void ath10k_debug_read_target_stats(struct ath10k *ar,
 				    struct wmi_stats_event *ev);
 
+#define ATH10K_DFS_STAT_INC(ar, c) (ar->debug.dfs_stats.c++)
+
 #else
 static inline int ath10k_debug_start(struct ath10k *ar)
 {
@@ -82,6 +85,9 @@ static inline void ath10k_debug_read_target_stats(struct ath10k *ar,
 						  struct wmi_stats_event *ev)
 {
 }
+
+#define ATH10K_DFS_STAT_INC(ar, c) do { } while (0)
+
 #endif /* CONFIG_ATH10K_DEBUGFS */
 
 #ifdef CONFIG_ATH10K_DEBUG

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

@@ -191,6 +191,11 @@ static int ath10k_htc_tx_completion_handler(struct ath10k *ar,
 	struct ath10k_htc *htc = &ar->htc;
 	struct ath10k_htc_ep *ep = &htc->endpoint[eid];
 
+	if (!skb) {
+		ath10k_warn("invalid sk_buff completion - NULL pointer. firmware crashed?\n");
+		return 0;
+	}
+
 	ath10k_htc_notify_tx_completion(ep, skb);
 	/* the skb now belongs to the completion handler */
 
@@ -534,14 +539,6 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
 	u16 credit_count;
 	u16 credit_size;
 
-	reinit_completion(&htc->ctl_resp);
-
-	status = ath10k_hif_start(htc->ar);
-	if (status) {
-		ath10k_err("could not start HIF (%d)\n", status);
-		goto err_start;
-	}
-
 	status = wait_for_completion_timeout(&htc->ctl_resp,
 					     ATH10K_HTC_WAIT_TIMEOUT_HZ);
 	if (status <= 0) {
@@ -549,15 +546,13 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
 			status = -ETIMEDOUT;
 
 		ath10k_err("ctl_resp never came in (%d)\n", status);
-		goto err_target;
+		return status;
 	}
 
 	if (htc->control_resp_len < sizeof(msg->hdr) + sizeof(msg->ready)) {
 		ath10k_err("Invalid HTC ready msg len:%d\n",
 			   htc->control_resp_len);
-
-		status = -ECOMM;
-		goto err_target;
+		return -ECOMM;
 	}
 
 	msg = (struct ath10k_htc_msg *)htc->control_resp_buffer;
@@ -567,8 +562,7 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
 
 	if (message_id != ATH10K_HTC_MSG_READY_ID) {
 		ath10k_err("Invalid HTC ready msg: 0x%x\n", message_id);
-		status = -ECOMM;
-		goto err_target;
+		return -ECOMM;
 	}
 
 	htc->total_transmit_credits = credit_count;
@@ -581,9 +575,8 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
 
 	if ((htc->total_transmit_credits == 0) ||
 	    (htc->target_credit_size == 0)) {
-		status = -ECOMM;
 		ath10k_err("Invalid credit size received\n");
-		goto err_target;
+		return -ECOMM;
 	}
 
 	ath10k_htc_setup_target_buffer_assignments(htc);
@@ -600,14 +593,10 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc)
 	status = ath10k_htc_connect_service(htc, &conn_req, &conn_resp);
 	if (status) {
 		ath10k_err("could not connect to htc service (%d)\n", status);
-		goto err_target;
+		return status;
 	}
 
 	return 0;
-err_target:
-	ath10k_hif_stop(htc->ar);
-err_start:
-	return status;
 }
 
 int ath10k_htc_connect_service(struct ath10k_htc *htc,

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

@@ -104,7 +104,7 @@ int ath10k_htt_attach(struct ath10k *ar)
 
 static int ath10k_htt_verify_version(struct ath10k_htt *htt)
 {
-	ath10k_info("htt target version %d.%d\n",
+	ath10k_dbg(ATH10K_DBG_BOOT, "htt target version %d.%d\n",
 		   htt->target_version_major, htt->target_version_minor);
 
 	if (htt->target_version_major != 2 &&

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

@@ -1182,6 +1182,7 @@ struct htt_rx_info {
 		u32 info2;
 	} rate;
 	bool fcs_err;
+	bool amsdu_more;
 };
 
 struct ath10k_htt {

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

@@ -659,23 +659,6 @@ static void ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
 	memcpy(hdr_buf, hdr, hdr_len);
 	hdr = (struct ieee80211_hdr *)hdr_buf;
 
-	/* FIXME: Hopefully this is a temporary measure.
-	 *
-	 * Reporting individual A-MSDU subframes means each reported frame
-	 * shares the same sequence number.
-	 *
-	 * mac80211 drops frames it recognizes as duplicates, i.e.
-	 * retransmission flag is set and sequence number matches sequence
-	 * number from a previous frame (as per IEEE 802.11-2012: 9.3.2.10
-	 * "Duplicate detection and recovery")
-	 *
-	 * To avoid frames being dropped clear retransmission flag for all
-	 * received A-MSDUs.
-	 *
-	 * Worst case: actual duplicate frames will be reported but this should
-	 * still be handled gracefully by other OSI/ISO layers. */
-	hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_RETRY);
-
 	first = skb;
 	while (skb) {
 		void *decap_hdr;
@@ -746,6 +729,9 @@ static void ath10k_htt_rx_amsdu(struct ath10k_htt *htt,
 		skb = skb->next;
 		info->skb->next = NULL;
 
+		if (skb)
+			info->amsdu_more = true;
+
 		ath10k_process_rx(htt->ar, info);
 	}
 
@@ -959,6 +945,11 @@ static void ath10k_htt_rx_handler(struct ath10k_htt *htt,
 				continue;
 			}
 
+			if (test_bit(ATH10K_CAC_RUNNING, &htt->ar->dev_flags)) {
+				ath10k_htt_rx_free_msdu_chain(msdu_head);
+				continue;
+			}
+
 			/* FIXME: we do not support chaining yet.
 			 * this needs investigation */
 			if (msdu_chaining) {

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

@@ -85,16 +85,13 @@ void ath10k_htt_tx_free_msdu_id(struct ath10k_htt *htt, u16 msdu_id)
 
 int ath10k_htt_tx_attach(struct ath10k_htt *htt)
 {
-	u8 pipe;
-
 	spin_lock_init(&htt->tx_lock);
 	init_waitqueue_head(&htt->empty_tx_wq);
 
-	/* At the beginning free queue number should hint us the maximum
-	 * queue length */
-	pipe = htt->ar->htc.endpoint[htt->eid].ul_pipe_id;
-	htt->max_num_pending_tx = ath10k_hif_get_free_queue_number(htt->ar,
-								   pipe);
+	if (test_bit(ATH10K_FW_FEATURE_WMI_10X, htt->ar->fw_features))
+		htt->max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
+	else
+		htt->max_num_pending_tx = TARGET_NUM_MSDU_DESC;
 
 	ath10k_dbg(ATH10K_DBG_BOOT, "htt tx max num pending tx %d\n",
 		   htt->max_num_pending_tx);

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

@@ -269,6 +269,7 @@ enum ath10k_mcast2ucast_mode {
 #define CORE_CTRL_CPU_INTR_MASK			0x00002000
 #define CORE_CTRL_ADDRESS			0x0000
 #define PCIE_INTR_ENABLE_ADDRESS		0x0008
+#define PCIE_INTR_CAUSE_ADDRESS			0x000c
 #define PCIE_INTR_CLR_ADDRESS			0x0014
 #define SCRATCH_3_ADDRESS			0x0030
 

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

@@ -198,9 +198,7 @@ struct ath10k_pci {
 
 	struct tasklet_struct intr_tq;
 	struct tasklet_struct msi_fw_err;
-
-	/* Number of Copy Engines supported */
-	unsigned int ce_count;
+	struct tasklet_struct early_irq_tasklet;
 
 	int started;
 
@@ -318,6 +316,16 @@ static inline u32 ath10k_pci_read32(struct ath10k *ar, u32 offset)
 	return ioread32(ar_pci->mem + offset);
 }
 
+static inline u32 ath10k_pci_soc_read32(struct ath10k *ar, u32 addr)
+{
+	return ath10k_pci_read32(ar, RTC_SOC_BASE_ADDRESS + addr);
+}
+
+static inline void ath10k_pci_soc_write32(struct ath10k *ar, u32 addr, u32 val)
+{
+	ath10k_pci_write32(ar, RTC_SOC_BASE_ADDRESS + addr, val);
+}
+
 int ath10k_do_pci_wake(struct ath10k *ar);
 void ath10k_do_pci_sleep(struct ath10k *ar);
 

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

@@ -75,6 +75,7 @@ void ath10k_txrx_tx_unref(struct ath10k_htt *htt,
 	ath10k_report_offchan_tx(htt->ar, msdu);
 
 	info = IEEE80211_SKB_CB(msdu);
+	memset(&info->status, 0, sizeof(info->status));
 
 	if (tx_done->discard) {
 		ieee80211_free_txskb(htt->ar->hw, msdu);
@@ -183,7 +184,7 @@ static void process_rx_rates(struct ath10k *ar, struct htt_rx_info *info,
 		/* VHT-SIG-A1 in info 1, VHT-SIG-A2 in info2
 		   TODO check this */
 		mcs = (info2 >> 4) & 0x0F;
-		nss = (info1 >> 10) & 0x07;
+		nss = ((info1 >> 10) & 0x07) + 1;
 		bw = info1 & 3;
 		sgi = info2 & 1;
 
@@ -236,6 +237,9 @@ void ath10k_process_rx(struct ath10k *ar, struct htt_rx_info *info)
 	if (info->fcs_err)
 		status->flag |= RX_FLAG_FAILED_FCS_CRC;
 
+	if (info->amsdu_more)
+		status->flag |= RX_FLAG_AMSDU_MORE;
+
 	status->signal = info->signal;
 
 	spin_lock_bh(&ar->data_lock);

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

@@ -893,6 +893,7 @@ struct wmi_channel {
 	union {
 		__le32 reginfo0;
 		struct {
+			/* note: power unit is 0.5 dBm */
 			u8 min_power;
 			u8 max_power;
 			u8 reg_power;
@@ -915,7 +916,8 @@ struct wmi_channel_arg {
 	bool allow_ht;
 	bool allow_vht;
 	bool ht40plus;
-	/* note: power unit is 1/4th of dBm */
+	bool chan_radar;
+	/* note: power unit is 0.5 dBm */
 	u32 min_power;
 	u32 max_power;
 	u32 max_reg_power;
@@ -1977,6 +1979,10 @@ struct wmi_mgmt_rx_event_v2 {
 #define WMI_RX_STATUS_ERR_MIC			0x10
 #define WMI_RX_STATUS_ERR_KEY_CACHE_MISS	0x20
 
+#define PHY_ERROR_SPECTRAL_SCAN		0x26
+#define PHY_ERROR_FALSE_RADAR_EXT		0x24
+#define PHY_ERROR_RADAR				0x05
+
 struct wmi_single_phyerr_rx_hdr {
 	/* TSF timestamp */
 	__le32 tsf_timestamp;
@@ -2068,6 +2074,87 @@ struct wmi_comb_phyerr_rx_event {
 	u8 bufp[0];
 } __packed;
 
+#define PHYERR_TLV_SIG				0xBB
+#define PHYERR_TLV_TAG_SEARCH_FFT_REPORT	0xFB
+#define PHYERR_TLV_TAG_RADAR_PULSE_SUMMARY	0xF8
+
+struct phyerr_radar_report {
+	__le32 reg0; /* RADAR_REPORT_REG0_* */
+	__le32 reg1; /* REDAR_REPORT_REG1_* */
+} __packed;
+
+#define RADAR_REPORT_REG0_PULSE_IS_CHIRP_MASK		0x80000000
+#define RADAR_REPORT_REG0_PULSE_IS_CHIRP_LSB		31
+
+#define RADAR_REPORT_REG0_PULSE_IS_MAX_WIDTH_MASK	0x40000000
+#define RADAR_REPORT_REG0_PULSE_IS_MAX_WIDTH_LSB	30
+
+#define RADAR_REPORT_REG0_AGC_TOTAL_GAIN_MASK		0x3FF00000
+#define RADAR_REPORT_REG0_AGC_TOTAL_GAIN_LSB		20
+
+#define RADAR_REPORT_REG0_PULSE_DELTA_DIFF_MASK		0x000F0000
+#define RADAR_REPORT_REG0_PULSE_DELTA_DIFF_LSB		16
+
+#define RADAR_REPORT_REG0_PULSE_DELTA_PEAK_MASK		0x0000FC00
+#define RADAR_REPORT_REG0_PULSE_DELTA_PEAK_LSB		10
+
+#define RADAR_REPORT_REG0_PULSE_SIDX_MASK		0x000003FF
+#define RADAR_REPORT_REG0_PULSE_SIDX_LSB		0
+
+#define RADAR_REPORT_REG1_PULSE_SRCH_FFT_VALID_MASK	0x80000000
+#define RADAR_REPORT_REG1_PULSE_SRCH_FFT_VALID_LSB	31
+
+#define RADAR_REPORT_REG1_PULSE_AGC_MB_GAIN_MASK	0x7F000000
+#define RADAR_REPORT_REG1_PULSE_AGC_MB_GAIN_LSB		24
+
+#define RADAR_REPORT_REG1_PULSE_SUBCHAN_MASK_MASK	0x00FF0000
+#define RADAR_REPORT_REG1_PULSE_SUBCHAN_MASK_LSB	16
+
+#define RADAR_REPORT_REG1_PULSE_TSF_OFFSET_MASK		0x0000FF00
+#define RADAR_REPORT_REG1_PULSE_TSF_OFFSET_LSB		8
+
+#define RADAR_REPORT_REG1_PULSE_DUR_MASK		0x000000FF
+#define RADAR_REPORT_REG1_PULSE_DUR_LSB			0
+
+struct phyerr_fft_report {
+	__le32 reg0; /* SEARCH_FFT_REPORT_REG0_ * */
+	__le32 reg1; /* SEARCH_FFT_REPORT_REG1_ * */
+} __packed;
+
+#define SEARCH_FFT_REPORT_REG0_TOTAL_GAIN_DB_MASK	0xFF800000
+#define SEARCH_FFT_REPORT_REG0_TOTAL_GAIN_DB_LSB	23
+
+#define SEARCH_FFT_REPORT_REG0_BASE_PWR_DB_MASK		0x007FC000
+#define SEARCH_FFT_REPORT_REG0_BASE_PWR_DB_LSB		14
+
+#define SEARCH_FFT_REPORT_REG0_FFT_CHN_IDX_MASK		0x00003000
+#define SEARCH_FFT_REPORT_REG0_FFT_CHN_IDX_LSB		12
+
+#define SEARCH_FFT_REPORT_REG0_PEAK_SIDX_MASK		0x00000FFF
+#define SEARCH_FFT_REPORT_REG0_PEAK_SIDX_LSB		0
+
+#define SEARCH_FFT_REPORT_REG1_RELPWR_DB_MASK		0xFC000000
+#define SEARCH_FFT_REPORT_REG1_RELPWR_DB_LSB		26
+
+#define SEARCH_FFT_REPORT_REG1_AVGPWR_DB_MASK		0x03FC0000
+#define SEARCH_FFT_REPORT_REG1_AVGPWR_DB_LSB		18
+
+#define SEARCH_FFT_REPORT_REG1_PEAK_MAG_MASK		0x0003FF00
+#define SEARCH_FFT_REPORT_REG1_PEAK_MAG_LSB		8
+
+#define SEARCH_FFT_REPORT_REG1_NUM_STR_BINS_IB_MASK	0x000000FF
+#define SEARCH_FFT_REPORT_REG1_NUM_STR_BINS_IB_LSB	0
+
+
+struct phyerr_tlv {
+	__le16 len;
+	u8 tag;
+	u8 sig;
+} __packed;
+
+#define DFS_RSSI_POSSIBLY_FALSE			50
+#define DFS_PEAK_MAG_THOLD_POSSIBLY_FALSE	40
+
 struct wmi_mgmt_tx_hdr {
 	__le32 vdev_id;
 	struct wmi_mac_addr peer_macaddr;
@@ -2233,7 +2320,12 @@ enum wmi_pdev_param {
 	 * 0: no protection 1:use CTS-to-self 2: use RTS/CTS
 	 */
 	WMI_PDEV_PARAM_PROTECTION_MODE,
-	/* Dynamic bandwidth 0: disable 1: enable */
+	/*
+	 * Dynamic bandwidth - 0: disable, 1: enable
+	 *
+	 * When enabled HW rate control tries different bandwidths when
+	 * retransmitting frames.
+	 */
 	WMI_PDEV_PARAM_DYNAMIC_BW,
 	/* Non aggregrate/ 11g sw retry threshold.0-disable */
 	WMI_PDEV_PARAM_NON_AGG_SW_RETRY_TH,