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ath10k: add extended per sta tx statistics support

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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>
This commit is contained in:
Anilkumar Kolli 2018-09-04 12:15:15 +05:30 committed by Kalle Valo
parent 348cd95c81
commit a904417fc8
4 changed files with 158 additions and 3 deletions
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31
drivers/net/wireless/ath/ath10k/core.h
View File

@ -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 */

109
drivers/net/wireless/ath/ath10k/htt_rx.c
View File

@ -2503,6 +2503,111 @@ static inline int ath10k_get_legacy_rate_idx(struct ath10k *ar, u8 rate)
return -EINVAL;
}
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,
@ -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,

10
drivers/net/wireless/ath/ath10k/mac.c
View File

@ -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,

11
drivers/net/wireless/ath/ath10k/wmi.h
View File

@ -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 ATH10K_HW_AMPDU(flags) ((flags) & 0x1)
#define ATH10K_HW_BA_FAIL(flags) (((flags) >> 1) & 0x3)
#define VHT_MCS_NUM 10
#define VHT_BW_NUM 4
#define VHT_NSS_NUM 4
#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)