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

…lo/ath.git

ath.git patches for 4.10. Major changes:

ath10k

* add spectral scan support for QCA6174 and QCA9377 families
* show used tx bitrate with 10.4 firmware

wil6210

* add power save mode support
* add abort scan functionality
* add support settings retry limit for short frames

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

@@ -326,6 +326,7 @@ static const char *const ath10k_core_fw_feature_str[] = {
 	[ATH10K_FW_FEATURE_PEER_FLOW_CONTROL] = "peer-flow-ctrl",
 	[ATH10K_FW_FEATURE_BTCOEX_PARAM] = "btcoex-param",
 	[ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR] = "skip-null-func-war",
+	[ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST] = "allows-mesh-bcast",
 };
 
 static unsigned int ath10k_core_get_fw_feature_str(char *buf,
@@ -1536,7 +1537,7 @@ static void ath10k_core_restart(struct work_struct *work)
 	switch (ar->state) {
 	case ATH10K_STATE_ON:
 		ar->state = ATH10K_STATE_RESTARTING;
-		ath10k_hif_stop(ar);
+		ath10k_halt(ar);
 		ath10k_scan_finish(ar);
 		ieee80211_restart_hw(ar->hw);
 		break;
@@ -1857,7 +1858,7 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode,
 		goto err_wmi_detach;
 	}
 
-	status = ath10k_htt_tx_alloc(&ar->htt);
+	status = ath10k_htt_tx_start(&ar->htt);
 	if (status) {
 		ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
 		goto err_wmi_detach;
@@ -2052,7 +2053,7 @@ void ath10k_core_stop(struct ath10k *ar)
 		ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
 
 	ath10k_hif_stop(ar);
-	ath10k_htt_tx_free(&ar->htt);
+	ath10k_htt_tx_stop(&ar->htt);
 	ath10k_htt_rx_free(&ar->htt);
 	ath10k_wmi_detach(ar);
 }
@@ -2385,6 +2386,7 @@ void ath10k_core_destroy(struct ath10k *ar)
 	destroy_workqueue(ar->workqueue_aux);
 
 	ath10k_debug_destroy(ar);
+	ath10k_htt_tx_destroy(&ar->htt);
 	ath10k_wmi_free_host_mem(ar);
 	ath10k_mac_destroy(ar);
 }

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

@@ -337,6 +337,7 @@ struct ath10k_sta {
 	u32 nss;
 	u32 smps;
 	u16 peer_id;
+	struct rate_info txrate;
 
 	struct work_struct update_wk;
 
@@ -561,6 +562,13 @@ enum ath10k_fw_features {
 	 */
 	ATH10K_FW_FEATURE_SKIP_NULL_FUNC_WAR = 15,
 
+	/* Firmware allow other BSS mesh broadcast/multicast frames without
+	 * creating monitor interface. Appropriate rxfilters are programmed for
+	 * mesh vdev by firmware itself. This feature flags will be used for
+	 * not creating monitor vdev while configuring mesh node.
+	 */
+	ATH10K_FW_FEATURE_ALLOWS_MESH_BCAST = 16,
+
 	/* keep last */
 	ATH10K_FW_FEATURE_COUNT,
 };
@@ -692,6 +700,21 @@ struct ath10k_fw_components {
 	struct ath10k_fw_file fw_file;
 };
 
+struct ath10k_per_peer_tx_stats {
+	u32	succ_bytes;
+	u32	retry_bytes;
+	u32	failed_bytes;
+	u8	ratecode;
+	u8	flags;
+	u16	peer_id;
+	u16	succ_pkts;
+	u16	retry_pkts;
+	u16	failed_pkts;
+	u16	duration;
+	u32	reserved1;
+	u32	reserved2;
+};
+
 struct ath10k {
 	struct ath_common ath_common;
 	struct ieee80211_hw *hw;
@@ -905,6 +928,7 @@ struct ath10k {
 
 	struct ath10k_thermal thermal;
 	struct ath10k_wow wow;
+	struct ath10k_per_peer_tx_stats peer_tx_stats;
 
 	/* NAPI */
 	struct net_device napi_dev;

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

@@ -77,6 +77,19 @@ void ath10k_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 
 	sinfo->rx_duration = arsta->rx_duration;
 	sinfo->filled |= 1ULL << NL80211_STA_INFO_RX_DURATION;
+
+	if (!arsta->txrate.legacy && !arsta->txrate.nss)
+		return;
+
+	if (arsta->txrate.legacy) {
+		sinfo->txrate.legacy = arsta->txrate.legacy;
+	} else {
+		sinfo->txrate.mcs = arsta->txrate.mcs;
+		sinfo->txrate.nss = arsta->txrate.nss;
+		sinfo->txrate.bw = arsta->txrate.bw;
+	}
+	sinfo->txrate.flags = arsta->txrate.flags;
+	sinfo->filled |= 1ULL << NL80211_STA_INFO_TX_BITRATE;
 }
 
 static ssize_t ath10k_dbg_sta_read_aggr_mode(struct file *file,

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

@@ -137,6 +137,8 @@ static const enum htt_t2h_msg_type htt_10_4_t2h_msg_types[] = {
 				HTT_T2H_MSG_TYPE_STATS_NOUPLOAD,
 	[HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND] =
 				HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND,
+	[HTT_10_4_T2H_MSG_TYPE_PEER_STATS] =
+				HTT_T2H_MSG_TYPE_PEER_STATS,
 };
 
 int ath10k_htt_connect(struct ath10k_htt *htt)

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

@@ -419,6 +419,7 @@ enum htt_10_4_t2h_msg_type {
 	HTT_10_4_T2H_MSG_TYPE_STATS_NOUPLOAD         = 0x18,
 	/* 0x19 to 0x2f are reserved */
 	HTT_10_4_T2H_MSG_TYPE_TX_MODE_SWITCH_IND     = 0x30,
+	HTT_10_4_T2H_MSG_TYPE_PEER_STATS	     = 0x31,
 	/* keep this last */
 	HTT_10_4_T2H_NUM_MSGS
 };
@@ -453,6 +454,7 @@ enum htt_t2h_msg_type {
 	HTT_T2H_MSG_TYPE_TX_FETCH_IND,
 	HTT_T2H_MSG_TYPE_TX_FETCH_CONFIRM,
 	HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND,
+	HTT_T2H_MSG_TYPE_PEER_STATS,
 	/* keep this last */
 	HTT_T2H_NUM_MSGS
 };
@@ -1470,6 +1472,28 @@ struct htt_channel_change {
 	__le32 phymode;
 } __packed;
 
+struct htt_per_peer_tx_stats_ind {
+	__le32	succ_bytes;
+	__le32  retry_bytes;
+	__le32  failed_bytes;
+	u8	ratecode;
+	u8	flags;
+	__le16	peer_id;
+	__le16  succ_pkts;
+	__le16	retry_pkts;
+	__le16	failed_pkts;
+	__le16	tx_duration;
+	__le32	reserved1;
+	__le32	reserved2;
+} __packed;
+
+struct htt_peer_tx_stats {
+	u8 num_ppdu;
+	u8 ppdu_len;
+	u8 version;
+	u8 payload[0];
+} __packed;
+
 union htt_rx_pn_t {
 	/* WEP: 24-bit PN */
 	u32 pn24;
@@ -1521,6 +1545,7 @@ struct htt_resp {
 		struct htt_tx_fetch_confirm tx_fetch_confirm;
 		struct htt_tx_mode_switch_ind tx_mode_switch_ind;
 		struct htt_channel_change chan_change;
+		struct htt_peer_tx_stats peer_tx_stats;
 	};
 } __packed;
 
@@ -1692,6 +1717,8 @@ struct ath10k_htt {
 		enum htt_tx_mode_switch_mode mode;
 		enum htt_q_depth_type type;
 	} tx_q_state;
+
+	bool tx_mem_allocated;
 };
 
 #define RX_HTT_HDR_STATUS_LEN 64
@@ -1754,7 +1781,9 @@ int ath10k_htt_connect(struct ath10k_htt *htt);
 int ath10k_htt_init(struct ath10k *ar);
 int ath10k_htt_setup(struct ath10k_htt *htt);
 
-int ath10k_htt_tx_alloc(struct ath10k_htt *htt);
+int ath10k_htt_tx_start(struct ath10k_htt *htt);
+void ath10k_htt_tx_stop(struct ath10k_htt *htt);
+void ath10k_htt_tx_destroy(struct ath10k_htt *htt);
 void ath10k_htt_tx_free(struct ath10k_htt *htt);
 
 int ath10k_htt_rx_alloc(struct ath10k_htt *htt);

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

@@ -2194,6 +2194,128 @@ void ath10k_htt_htc_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 		dev_kfree_skb_any(skb);
 }
 
+static inline bool is_valid_legacy_rate(u8 rate)
+{
+	static const u8 legacy_rates[] = {1, 2, 5, 11, 6, 9, 12,
+					  18, 24, 36, 48, 54};
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(legacy_rates); i++) {
+		if (rate == legacy_rates[i])
+			return true;
+	}
+
+	return false;
+}
+
+static void
+ath10k_update_per_peer_tx_stats(struct ath10k *ar,
+				struct ieee80211_sta *sta,
+				struct ath10k_per_peer_tx_stats *peer_stats)
+{
+	struct ath10k_sta *arsta = (struct ath10k_sta *)sta->drv_priv;
+	u8 rate = 0, sgi;
+	struct rate_info txrate;
+
+	lockdep_assert_held(&ar->data_lock);
+
+	txrate.flags = ATH10K_HW_PREAMBLE(peer_stats->ratecode);
+	txrate.bw = ATH10K_HW_BW(peer_stats->flags);
+	txrate.nss = ATH10K_HW_NSS(peer_stats->ratecode);
+	txrate.mcs = ATH10K_HW_MCS_RATE(peer_stats->ratecode);
+	sgi = ATH10K_HW_GI(peer_stats->flags);
+
+	if (((txrate.flags == WMI_RATE_PREAMBLE_HT) ||
+	     (txrate.flags == WMI_RATE_PREAMBLE_VHT)) && txrate.mcs > 9) {
+		ath10k_warn(ar, "Invalid mcs %hhd peer stats", txrate.mcs);
+		return;
+	}
+
+	if (txrate.flags == WMI_RATE_PREAMBLE_CCK ||
+	    txrate.flags == WMI_RATE_PREAMBLE_OFDM) {
+		rate = ATH10K_HW_LEGACY_RATE(peer_stats->ratecode);
+
+		if (!is_valid_legacy_rate(rate)) {
+			ath10k_warn(ar, "Invalid legacy rate %hhd peer stats",
+				    rate);
+			return;
+		}
+
+		/* This is hacky, FW sends CCK rate 5.5Mbps as 6 */
+		rate *= 10;
+		if (rate == 60 && txrate.flags == WMI_RATE_PREAMBLE_CCK)
+			rate = rate - 5;
+		arsta->txrate.legacy = rate * 10;
+	} else if (txrate.flags == WMI_RATE_PREAMBLE_HT) {
+		arsta->txrate.flags = RATE_INFO_FLAGS_MCS;
+		arsta->txrate.mcs = txrate.mcs;
+	} else {
+		arsta->txrate.flags = RATE_INFO_FLAGS_VHT_MCS;
+		arsta->txrate.mcs = txrate.mcs;
+	}
+
+	if (sgi)
+		arsta->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
+
+	arsta->txrate.nss = txrate.nss;
+	arsta->txrate.bw = txrate.bw + RATE_INFO_BW_20;
+}
+
+static void ath10k_htt_fetch_peer_stats(struct ath10k *ar,
+					struct sk_buff *skb)
+{
+	struct htt_resp *resp = (struct htt_resp *)skb->data;
+	struct ath10k_per_peer_tx_stats *p_tx_stats = &ar->peer_tx_stats;
+	struct htt_per_peer_tx_stats_ind *tx_stats;
+	struct ieee80211_sta *sta;
+	struct ath10k_peer *peer;
+	int peer_id, i;
+	u8 ppdu_len, num_ppdu;
+
+	num_ppdu = resp->peer_tx_stats.num_ppdu;
+	ppdu_len = resp->peer_tx_stats.ppdu_len * sizeof(__le32);
+
+	if (skb->len < sizeof(struct htt_resp_hdr) + num_ppdu * ppdu_len) {
+		ath10k_warn(ar, "Invalid peer stats buf length %d\n", skb->len);
+		return;
+	}
+
+	tx_stats = (struct htt_per_peer_tx_stats_ind *)
+			(resp->peer_tx_stats.payload);
+	peer_id = __le16_to_cpu(tx_stats->peer_id);
+
+	rcu_read_lock();
+	spin_lock_bh(&ar->data_lock);
+	peer = ath10k_peer_find_by_id(ar, peer_id);
+	if (!peer) {
+		ath10k_warn(ar, "Invalid peer id %d peer stats buffer\n",
+			    peer_id);
+		goto out;
+	}
+
+	sta = peer->sta;
+	for (i = 0; i < num_ppdu; i++) {
+		tx_stats = (struct htt_per_peer_tx_stats_ind *)
+			   (resp->peer_tx_stats.payload + i * ppdu_len);
+
+		p_tx_stats->succ_bytes = __le32_to_cpu(tx_stats->succ_bytes);
+		p_tx_stats->retry_bytes = __le32_to_cpu(tx_stats->retry_bytes);
+		p_tx_stats->failed_bytes =
+				__le32_to_cpu(tx_stats->failed_bytes);
+		p_tx_stats->ratecode = tx_stats->ratecode;
+		p_tx_stats->flags = tx_stats->flags;
+		p_tx_stats->succ_pkts = __le16_to_cpu(tx_stats->succ_pkts);
+		p_tx_stats->retry_pkts = __le16_to_cpu(tx_stats->retry_pkts);
+		p_tx_stats->failed_pkts = __le16_to_cpu(tx_stats->failed_pkts);
+
+		ath10k_update_per_peer_tx_stats(ar, sta, p_tx_stats);
+	}
+
+out:
+	spin_unlock_bh(&ar->data_lock);
+	rcu_read_unlock();
+}
+
 bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 {
 	struct ath10k_htt *htt = &ar->htt;
@@ -2354,6 +2476,9 @@ bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb)
 	case HTT_T2H_MSG_TYPE_TX_MODE_SWITCH_IND:
 		ath10k_htt_rx_tx_mode_switch_ind(ar, skb);
 		break;
+	case HTT_T2H_MSG_TYPE_PEER_STATS:
+		ath10k_htt_fetch_peer_stats(ar, skb);
+		break;
 	case HTT_T2H_MSG_TYPE_EN_STATS:
 	default:
 		ath10k_warn(ar, "htt event (%d) not handled\n",