Linux-libre 4.4-gnupck-4.4-gnu

1 files changed, 76 insertions, 33 deletions

diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 64f193635..f91d18732 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -303,7 +303,6 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_hw *hw = &local->hw;
 	struct sta_info *sta;
-	struct timespec uptime;
 	int i;
 
 	sta = kzalloc(sizeof(*sta) + hw->sta_data_size, gfp);
@@ -332,18 +331,17 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 	memcpy(sta->sta.addr, addr, ETH_ALEN);
 	sta->local = local;
 	sta->sdata = sdata;
-	sta->last_rx = jiffies;
+	sta->rx_stats.last_rx = jiffies;
 
 	sta->sta_state = IEEE80211_STA_NONE;
 
 	/* Mark TID as unreserved */
 	sta->reserved_tid = IEEE80211_TID_UNRESERVED;
 
-	ktime_get_ts(&uptime);
-	sta->last_connected = uptime.tv_sec;
-	ewma_signal_init(&sta->avg_signal);
-	for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++)
-		ewma_signal_init(&sta->chain_signal_avg[i]);
+	sta->last_connected = ktime_get_seconds();
+	ewma_signal_init(&sta->rx_stats.avg_signal);
+	for (i = 0; i < ARRAY_SIZE(sta->rx_stats.chain_signal_avg); i++)
+		ewma_signal_init(&sta->rx_stats.chain_signal_avg[i]);
 
 	if (local->ops->wake_tx_queue) {
 		void *txq_data;
@@ -1068,7 +1066,7 @@ void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
 		if (sdata != sta->sdata)
 			continue;
 
-		if (time_after(jiffies, sta->last_rx + exp_time)) {
+		if (time_after(jiffies, sta->rx_stats.last_rx + exp_time)) {
 			sta_dbg(sta->sdata, "expiring inactive STA %pM\n",
 				sta->sta.addr);
 
@@ -1808,12 +1806,50 @@ u8 sta_info_tx_streams(struct sta_info *sta)
 			>> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT) + 1;
 }
 
+static void sta_set_rate_info_rx(struct sta_info *sta, struct rate_info *rinfo)
+{
+	rinfo->flags = 0;
+
+	if (sta->rx_stats.last_rate_flag & RX_FLAG_HT) {
+		rinfo->flags |= RATE_INFO_FLAGS_MCS;
+		rinfo->mcs = sta->rx_stats.last_rate_idx;
+	} else if (sta->rx_stats.last_rate_flag & RX_FLAG_VHT) {
+		rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
+		rinfo->nss = sta->rx_stats.last_rate_vht_nss;
+		rinfo->mcs = sta->rx_stats.last_rate_idx;
+	} else {
+		struct ieee80211_supported_band *sband;
+		int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
+		u16 brate;
+
+		sband = sta->local->hw.wiphy->bands[
+				ieee80211_get_sdata_band(sta->sdata)];
+		brate = sband->bitrates[sta->rx_stats.last_rate_idx].bitrate;
+		rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
+	}
+
+	if (sta->rx_stats.last_rate_flag & RX_FLAG_SHORT_GI)
+		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
+
+	if (sta->rx_stats.last_rate_flag & RX_FLAG_5MHZ)
+		rinfo->bw = RATE_INFO_BW_5;
+	else if (sta->rx_stats.last_rate_flag & RX_FLAG_10MHZ)
+		rinfo->bw = RATE_INFO_BW_10;
+	else if (sta->rx_stats.last_rate_flag & RX_FLAG_40MHZ)
+		rinfo->bw = RATE_INFO_BW_40;
+	else if (sta->rx_stats.last_rate_vht_flag & RX_VHT_FLAG_80MHZ)
+		rinfo->bw = RATE_INFO_BW_80;
+	else if (sta->rx_stats.last_rate_vht_flag & RX_VHT_FLAG_160MHZ)
+		rinfo->bw = RATE_INFO_BW_160;
+	else
+		rinfo->bw = RATE_INFO_BW_20;
+}
+
 void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 {
 	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	struct ieee80211_local *local = sdata->local;
 	struct rate_control_ref *ref = NULL;
-	struct timespec uptime;
 	u32 thr = 0;
 	int i, ac;
 
@@ -1835,51 +1871,54 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 			 BIT(NL80211_STA_INFO_STA_FLAGS) |
 			 BIT(NL80211_STA_INFO_BSS_PARAM) |
 			 BIT(NL80211_STA_INFO_CONNECTED_TIME) |
-			 BIT(NL80211_STA_INFO_RX_DROP_MISC) |
-			 BIT(NL80211_STA_INFO_BEACON_LOSS);
+			 BIT(NL80211_STA_INFO_RX_DROP_MISC);
+
+	if (sdata->vif.type == NL80211_IFTYPE_STATION) {
+		sinfo->beacon_loss_count = sdata->u.mgd.beacon_loss_count;
+		sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_LOSS);
+	}
 
-	ktime_get_ts(&uptime);
-	sinfo->connected_time = uptime.tv_sec - sta->last_connected;
-	sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
+	sinfo->connected_time = ktime_get_seconds() - sta->last_connected;
+	sinfo->inactive_time =
+		jiffies_to_msecs(jiffies - sta->rx_stats.last_rx);
 
 	if (!(sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES64) |
 			       BIT(NL80211_STA_INFO_TX_BYTES)))) {
 		sinfo->tx_bytes = 0;
 		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-			sinfo->tx_bytes += sta->tx_bytes[ac];
+			sinfo->tx_bytes += sta->tx_stats.bytes[ac];
 		sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64);
 	}
 
 	if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_PACKETS))) {
 		sinfo->tx_packets = 0;
 		for (ac = 0; ac < IEEE80211_NUM_ACS; ac++)
-			sinfo->tx_packets += sta->tx_packets[ac];
+			sinfo->tx_packets += sta->tx_stats.packets[ac];
 		sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS);
 	}
 
 	if (!(sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES64) |
 			       BIT(NL80211_STA_INFO_RX_BYTES)))) {
-		sinfo->rx_bytes = sta->rx_bytes;
+		sinfo->rx_bytes = sta->rx_stats.bytes;
 		sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64);
 	}
 
 	if (!(sinfo->filled & BIT(NL80211_STA_INFO_RX_PACKETS))) {
-		sinfo->rx_packets = sta->rx_packets;
+		sinfo->rx_packets = sta->rx_stats.packets;
 		sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS);
 	}
 
 	if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_RETRIES))) {
-		sinfo->tx_retries = sta->tx_retry_count;
+		sinfo->tx_retries = sta->status_stats.retry_count;
 		sinfo->filled |= BIT(NL80211_STA_INFO_TX_RETRIES);
 	}
 
 	if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_FAILED))) {
-		sinfo->tx_failed = sta->tx_retry_failed;
+		sinfo->tx_failed = sta->status_stats.retry_failed;
 		sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED);
 	}
 
-	sinfo->rx_dropped_misc = sta->rx_dropped;
-	sinfo->beacon_loss_count = sta->beacon_loss_count;
+	sinfo->rx_dropped_misc = sta->rx_stats.dropped;
 
 	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
 	    !(sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)) {
@@ -1891,33 +1930,35 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 	if (ieee80211_hw_check(&sta->local->hw, SIGNAL_DBM) ||
 	    ieee80211_hw_check(&sta->local->hw, SIGNAL_UNSPEC)) {
 		if (!(sinfo->filled & BIT(NL80211_STA_INFO_SIGNAL))) {
-			sinfo->signal = (s8)sta->last_signal;
+			sinfo->signal = (s8)sta->rx_stats.last_signal;
 			sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL);
 		}
 
 		if (!(sinfo->filled & BIT(NL80211_STA_INFO_SIGNAL_AVG))) {
 			sinfo->signal_avg =
-				(s8) -ewma_signal_read(&sta->avg_signal);
+				-ewma_signal_read(&sta->rx_stats.avg_signal);
 			sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG);
 		}
 	}
 
-	if (sta->chains &&
+	if (sta->rx_stats.chains &&
 	    !(sinfo->filled & (BIT(NL80211_STA_INFO_CHAIN_SIGNAL) |
 			       BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)))) {
 		sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL) |
 				 BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG);
 
-		sinfo->chains = sta->chains;
+		sinfo->chains = sta->rx_stats.chains;
 		for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
-			sinfo->chain_signal[i] = sta->chain_signal_last[i];
+			sinfo->chain_signal[i] =
+				sta->rx_stats.chain_signal_last[i];
 			sinfo->chain_signal_avg[i] =
-				(s8) -ewma_signal_read(&sta->chain_signal_avg[i]);
+				-ewma_signal_read(&sta->rx_stats.chain_signal_avg[i]);
 		}
 	}
 
 	if (!(sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE))) {
-		sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
+		sta_set_rate_info_tx(sta, &sta->tx_stats.last_rate,
+				     &sinfo->txrate);
 		sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE);
 	}
 
@@ -1932,12 +1973,12 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 
 		if (!(tidstats->filled & BIT(NL80211_TID_STATS_RX_MSDU))) {
 			tidstats->filled |= BIT(NL80211_TID_STATS_RX_MSDU);
-			tidstats->rx_msdu = sta->rx_msdu[i];
+			tidstats->rx_msdu = sta->rx_stats.msdu[i];
 		}
 
 		if (!(tidstats->filled & BIT(NL80211_TID_STATS_TX_MSDU))) {
 			tidstats->filled |= BIT(NL80211_TID_STATS_TX_MSDU);
-			tidstats->tx_msdu = sta->tx_msdu[i];
+			tidstats->tx_msdu = sta->tx_stats.msdu[i];
 		}
 
 		if (!(tidstats->filled &
@@ -1945,7 +1986,8 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 		    ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
 			tidstats->filled |=
 				BIT(NL80211_TID_STATS_TX_MSDU_RETRIES);
-			tidstats->tx_msdu_retries = sta->tx_msdu_retries[i];
+			tidstats->tx_msdu_retries =
+				sta->status_stats.msdu_retries[i];
 		}
 
 		if (!(tidstats->filled &
@@ -1953,7 +1995,8 @@ void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 		    ieee80211_hw_check(&local->hw, REPORTS_TX_ACK_STATUS)) {
 			tidstats->filled |=
 				BIT(NL80211_TID_STATS_TX_MSDU_FAILED);
-			tidstats->tx_msdu_failed = sta->tx_msdu_failed[i];
+			tidstats->tx_msdu_failed =
+				sta->status_stats.msdu_failed[i];
 		}
 	}