ath10k: add extended per sta tx statistics support

This patch adds per station tx statistics support.

Per station tx stats include
 - pkts/bytes transmitted at all possible rates(mcs/nss/bw/gi).
 - ACK fails count
 - ampdu bytes/pkts transmitted at all possible rates(mcs/nss/bw/gi).
 - BA fails count

Tested on QCA9984/QCA4019/QCA988x
Firmware: 10.4-3.5.3-00057
	  10.2.4-1.0-00037

Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 999a6d2..27df8ac 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -461,6 +461,36 @@ struct ath10k_sta_tid_stats {
        unsigned long int rx_pkt_amsdu[ATH10K_AMSDU_SUBFRM_NUM_MAX];
 };
 
+enum ath10k_counter_type {
+       ATH10K_COUNTER_TYPE_BYTES,
+       ATH10K_COUNTER_TYPE_PKTS,
+       ATH10K_COUNTER_TYPE_MAX,
+};
+
+enum ath10k_stats_type {
+       ATH10K_STATS_TYPE_SUCC,
+       ATH10K_STATS_TYPE_FAIL,
+       ATH10K_STATS_TYPE_RETRY,
+       ATH10K_STATS_TYPE_AMPDU,
+       ATH10K_STATS_TYPE_MAX,
+};
+
+struct ath10k_htt_data_stats {
+       u64 legacy[ATH10K_COUNTER_TYPE_MAX][ATH10K_LEGACY_NUM];
+       u64 ht[ATH10K_COUNTER_TYPE_MAX][ATH10K_HT_MCS_NUM];
+       u64 vht[ATH10K_COUNTER_TYPE_MAX][ATH10K_VHT_MCS_NUM];
+       u64 bw[ATH10K_COUNTER_TYPE_MAX][ATH10K_BW_NUM];
+       u64 nss[ATH10K_COUNTER_TYPE_MAX][ATH10K_NSS_NUM];
+       u64 gi[ATH10K_COUNTER_TYPE_MAX][ATH10K_GI_NUM];
+};
+
+struct ath10k_htt_tx_stats {
+       struct ath10k_htt_data_stats stats[ATH10K_STATS_TYPE_MAX];
+       u64 tx_duration;
+       u64 ba_fails;
+       u64 ack_fails;
+};
+
 struct ath10k_sta {
        struct ath10k_vif *arvif;
 
@@ -474,6 +504,7 @@ struct ath10k_sta {
 
        struct work_struct update_wk;
        u64 rx_duration;
+       struct ath10k_htt_tx_stats *tx_stats;
 
 #ifdef CONFIG_MAC80211_DEBUGFS
        /* protected by conf_mutex */

diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c
index 01eb4a7..4b9197b 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/htt_rx.c
+++ b/drivers/net/wireless/ath/ath10k/htt_rx.c
@@ -2504,6 +2504,111 @@ static inline int ath10k_get_legacy_rate_idx(struct ath10k *ar, u8 rate)
 }
 
 static void
+ath10k_accumulate_per_peer_tx_stats(struct ath10k *ar,
+                                   struct ath10k_sta *arsta,
+                                   struct ath10k_per_peer_tx_stats *pstats,
+                                   u8 legacy_rate_idx)
+{
+       struct rate_info *txrate = &arsta->txrate;
+       struct ath10k_htt_tx_stats *tx_stats;
+       int ht_idx, gi, mcs, bw, nss;
+
+       if (!arsta->tx_stats)
+               return;
+
+       tx_stats = arsta->tx_stats;
+       gi = (arsta->txrate.flags & RATE_INFO_FLAGS_SHORT_GI);
+       ht_idx = txrate->mcs + txrate->nss * 8;
+       mcs = txrate->mcs;
+       bw = txrate->bw;
+       nss = txrate->nss;
+
+#define STATS_OP_FMT(name) tx_stats->stats[ATH10K_STATS_TYPE_##name]
+
+       if (txrate->flags == RATE_INFO_FLAGS_VHT_MCS) {
+               STATS_OP_FMT(SUCC).vht[0][mcs] += pstats->succ_bytes;
+               STATS_OP_FMT(SUCC).vht[1][mcs] += pstats->succ_pkts;
+               STATS_OP_FMT(FAIL).vht[0][mcs] += pstats->failed_bytes;
+               STATS_OP_FMT(FAIL).vht[1][mcs] += pstats->failed_pkts;
+               STATS_OP_FMT(RETRY).vht[0][mcs] += pstats->retry_bytes;
+               STATS_OP_FMT(RETRY).vht[1][mcs] += pstats->retry_pkts;
+       } else if (txrate->flags == RATE_INFO_FLAGS_MCS) {
+               STATS_OP_FMT(SUCC).ht[0][ht_idx] += pstats->succ_bytes;
+               STATS_OP_FMT(SUCC).ht[1][ht_idx] += pstats->succ_pkts;
+               STATS_OP_FMT(FAIL).ht[0][ht_idx] += pstats->failed_bytes;
+               STATS_OP_FMT(FAIL).ht[1][ht_idx] += pstats->failed_pkts;
+               STATS_OP_FMT(RETRY).ht[0][ht_idx] += pstats->retry_bytes;
+               STATS_OP_FMT(RETRY).ht[1][ht_idx] += pstats->retry_pkts;
+       } else {
+               mcs = legacy_rate_idx;
+               if (mcs < 0)
+                       return;
+
+               STATS_OP_FMT(SUCC).legacy[0][mcs] += pstats->succ_bytes;
+               STATS_OP_FMT(SUCC).legacy[1][mcs] += pstats->succ_pkts;
+               STATS_OP_FMT(FAIL).legacy[0][mcs] += pstats->failed_bytes;
+               STATS_OP_FMT(FAIL).legacy[1][mcs] += pstats->failed_pkts;
+               STATS_OP_FMT(RETRY).legacy[0][mcs] += pstats->retry_bytes;
+               STATS_OP_FMT(RETRY).legacy[1][mcs] += pstats->retry_pkts;
+       }
+
+       if (ATH10K_HW_AMPDU(pstats->flags)) {
+               tx_stats->ba_fails += ATH10K_HW_BA_FAIL(pstats->flags);
+
+               if (txrate->flags == RATE_INFO_FLAGS_MCS) {
+                       STATS_OP_FMT(AMPDU).ht[0][ht_idx] +=
+                               pstats->succ_bytes + pstats->retry_bytes;
+                       STATS_OP_FMT(AMPDU).ht[1][ht_idx] +=
+                               pstats->succ_pkts + pstats->retry_pkts;
+               } else {
+                       STATS_OP_FMT(AMPDU).vht[0][mcs] +=
+                               pstats->succ_bytes + pstats->retry_bytes;
+                       STATS_OP_FMT(AMPDU).vht[1][mcs] +=
+                               pstats->succ_pkts + pstats->retry_pkts;
+               }
+               STATS_OP_FMT(AMPDU).bw[0][bw] +=
+                       pstats->succ_bytes + pstats->retry_bytes;
+               STATS_OP_FMT(AMPDU).nss[0][nss] +=
+                       pstats->succ_bytes + pstats->retry_bytes;
+               STATS_OP_FMT(AMPDU).gi[0][gi] +=
+                       pstats->succ_bytes + pstats->retry_bytes;
+               STATS_OP_FMT(AMPDU).bw[1][bw] +=
+                       pstats->succ_pkts + pstats->retry_pkts;
+               STATS_OP_FMT(AMPDU).nss[1][nss] +=
+                       pstats->succ_pkts + pstats->retry_pkts;
+               STATS_OP_FMT(AMPDU).gi[1][gi] +=
+                       pstats->succ_pkts + pstats->retry_pkts;
+       } else {
+               tx_stats->ack_fails +=
+                               ATH10K_HW_BA_FAIL(pstats->flags);
+       }
+
+       STATS_OP_FMT(SUCC).bw[0][bw] += pstats->succ_bytes;
+       STATS_OP_FMT(SUCC).nss[0][nss] += pstats->succ_bytes;
+       STATS_OP_FMT(SUCC).gi[0][gi] += pstats->succ_bytes;
+
+       STATS_OP_FMT(SUCC).bw[1][bw] += pstats->succ_pkts;
+       STATS_OP_FMT(SUCC).nss[1][nss] += pstats->succ_pkts;
+       STATS_OP_FMT(SUCC).gi[1][gi] += pstats->succ_pkts;
+
+       STATS_OP_FMT(FAIL).bw[0][bw] += pstats->failed_bytes;
+       STATS_OP_FMT(FAIL).nss[0][nss] += pstats->failed_bytes;
+       STATS_OP_FMT(FAIL).gi[0][gi] += pstats->failed_bytes;
+
+       STATS_OP_FMT(FAIL).bw[1][bw] += pstats->failed_pkts;
+       STATS_OP_FMT(FAIL).nss[1][nss] += pstats->failed_pkts;
+       STATS_OP_FMT(FAIL).gi[1][gi] += pstats->failed_pkts;
+
+       STATS_OP_FMT(RETRY).bw[0][bw] += pstats->retry_bytes;
+       STATS_OP_FMT(RETRY).nss[0][nss] += pstats->retry_bytes;
+       STATS_OP_FMT(RETRY).gi[0][gi] += pstats->retry_bytes;
+
+       STATS_OP_FMT(RETRY).bw[1][bw] += pstats->retry_pkts;
+       STATS_OP_FMT(RETRY).nss[1][nss] += pstats->retry_pkts;
+       STATS_OP_FMT(RETRY).gi[1][gi] += pstats->retry_pkts;
+}
+
+static void
 ath10k_update_per_peer_tx_stats(struct ath10k *ar,
                                struct ieee80211_sta *sta,
                                struct ath10k_per_peer_tx_stats *peer_stats)
@@ -2557,6 +2662,10 @@ ath10k_update_per_peer_tx_stats(struct ath10k *ar,
 
        arsta->txrate.nss = txrate.nss;
        arsta->txrate.bw = ath10k_bw_to_mac80211_bw(txrate.bw);
+
+       if (ath10k_debug_is_extd_tx_stats_enabled(ar))
+               ath10k_accumulate_per_peer_tx_stats(ar, arsta, peer_stats,
+                                                   rate_idx);
 }
 
 static void ath10k_htt_fetch_peer_stats(struct ath10k *ar,

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 078058e..ef952a2 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -6244,6 +6244,13 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
                           ar->num_stations + 1, ar->max_num_stations,
                           ar->num_peers + 1, ar->max_num_peers);
 
+               if (ath10k_debug_is_extd_tx_stats_enabled(ar)) {
+                       arsta->tx_stats = kzalloc(sizeof(*arsta->tx_stats),
+                                                 GFP_KERNEL);
+                       if (!arsta->tx_stats)
+                               goto exit;
+               }
+
                num_tdls_stations = ath10k_mac_tdls_vif_stations_count(hw, vif);
                num_tdls_vifs = ath10k_mac_tdls_vifs_count(hw);
 
@@ -6329,6 +6336,9 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
                           "mac vdev %d peer delete %pM sta %pK (sta gone)\n",
                           arvif->vdev_id, sta->addr, sta);
 
+               if (ath10k_debug_is_extd_tx_stats_enabled(ar))
+                       kfree(arsta->tx_stats);
+
                if (sta->tdls) {
                        ret = ath10k_mac_tdls_peer_update(ar, arvif->vdev_id,
                                                          sta,

diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 3622025..a25bf9b 100644 (file)
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -4958,10 +4958,15 @@ enum wmi_rate_preamble {
 #define ATH10K_HW_GI(flags)            (((flags) >> 5) & 0x1)
 #define ATH10K_HW_RATECODE(rate, nss, preamble) \
        (((preamble) << 6) | ((nss) << 4) | (rate))
-
-#define VHT_MCS_NUM     10
-#define VHT_BW_NUM      4
-#define VHT_NSS_NUM     4
+#define ATH10K_HW_AMPDU(flags)         ((flags) & 0x1)
+#define ATH10K_HW_BA_FAIL(flags)       (((flags) >> 1) & 0x3)
+
+#define ATH10K_VHT_MCS_NUM     10
+#define ATH10K_BW_NUM          4
+#define ATH10K_NSS_NUM         4
+#define ATH10K_LEGACY_NUM      12
+#define ATH10K_GI_NUM          2
+#define ATH10K_HT_MCS_NUM      32
 
 /* Value to disable fixed rate setting */
 #define WMI_FIXED_RATE_NONE    (0xff)