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ath10k: dump tx stats in rate table format

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This patch adds the tx statistics pkts/bytes dump
in rate table format.

Dump format table is similar to http://mcsindex.com/

Tested on QCA9984/QCA4019/QCA988x
Firmware: 10.4-3.5.3-00057
	  10.2.4-1.0-00037
command:
cat /sys/kernel/debug/ieee80211/phy0/netdev\:wlan0/
    stations/<MACADDR>/tx_stats

Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Anilkumar Kolli 2018-10-12 11:33:28 +05:30 committed by Kalle Valo
parent 0e622f67e0
commit e88975ca37
4 changed files with 29 additions and 2 deletions
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1
drivers/net/wireless/ath/ath10k/core.h
View File

@ -474,6 +474,7 @@ struct ath10k_htt_data_stats {
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];
u64 rate_table[ATH10K_COUNTER_TYPE_MAX][ATH10K_RATE_TABLE_NUM];
};
struct ath10k_htt_tx_stats {

12
drivers/net/wireless/ath/ath10k/debugfs_sta.c
View File

@ -665,7 +665,7 @@ static ssize_t ath10k_dbg_sta_dump_tx_stats(struct file *file,
"retry", "ampdu"};
const char *str[ATH10K_COUNTER_TYPE_MAX] = {"bytes", "packets"};
int len = 0, i, j, k, retval = 0;
const int size = 2 * 4096;
const int size = 16 * 4096;
char *buf;
buf = kzalloc(size, GFP_KERNEL);
@ -719,6 +719,16 @@ static ssize_t ath10k_dbg_sta_dump_tx_stats(struct file *file,
len += scnprintf(buf + len, size - len, "%llu ",
stats->legacy[j][i]);
len += scnprintf(buf + len, size - len, "\n");
len += scnprintf(buf + len, size - len,
" Rate table %s (1,2 ... Mbps)\n ",
str[j]);
for (i = 0; i < ATH10K_RATE_TABLE_NUM; i++) {
len += scnprintf(buf + len, size - len, "%llu ",
stats->rate_table[j][i]);
if (!((i + 1) % 8))
len +=
scnprintf(buf + len, size - len, "\n ");
}
}
}

17
drivers/net/wireless/ath/ath10k/htt_rx.c
View File

@ -2650,7 +2650,7 @@ ath10k_accumulate_per_peer_tx_stats(struct ath10k *ar,
{
struct rate_info *txrate = &arsta->txrate;
struct ath10k_htt_tx_stats *tx_stats;
int ht_idx, gi, mcs, bw, nss;
int idx, ht_idx, gi, mcs, bw, nss;
if (!arsta->tx_stats)
return;
@ -2661,6 +2661,8 @@ ath10k_accumulate_per_peer_tx_stats(struct ath10k *ar,
mcs = txrate->mcs;
bw = txrate->bw;
nss = txrate->nss;
idx = mcs * 8 + 8 * 10 * nss;
idx += bw * 2 + gi;
#define STATS_OP_FMT(name) tx_stats->stats[ATH10K_STATS_TYPE_##name]
@ -2709,12 +2711,16 @@ ath10k_accumulate_per_peer_tx_stats(struct ath10k *ar,
pstats->succ_bytes + pstats->retry_bytes;
STATS_OP_FMT(AMPDU).gi[0][gi] +=
pstats->succ_bytes + pstats->retry_bytes;
STATS_OP_FMT(AMPDU).rate_table[0][idx] +=
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;
STATS_OP_FMT(AMPDU).rate_table[1][idx] +=
pstats->succ_pkts + pstats->retry_pkts;
} else {
tx_stats->ack_fails +=
ATH10K_HW_BA_FAIL(pstats->flags);
@ -2743,6 +2749,15 @@ ath10k_accumulate_per_peer_tx_stats(struct ath10k *ar,
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;
if (txrate->flags >= RATE_INFO_FLAGS_MCS) {
STATS_OP_FMT(SUCC).rate_table[0][idx] += pstats->succ_bytes;
STATS_OP_FMT(SUCC).rate_table[1][idx] += pstats->succ_pkts;
STATS_OP_FMT(FAIL).rate_table[0][idx] += pstats->failed_bytes;
STATS_OP_FMT(FAIL).rate_table[1][idx] += pstats->failed_pkts;
STATS_OP_FMT(RETRY).rate_table[0][idx] += pstats->retry_bytes;
STATS_OP_FMT(RETRY).rate_table[1][idx] += pstats->retry_pkts;
}
}
static void

1
drivers/net/wireless/ath/ath10k/wmi.h
View File

@ -4991,6 +4991,7 @@ enum wmi_rate_preamble {
#define ATH10K_LEGACY_NUM 12
#define ATH10K_GI_NUM 2
#define ATH10K_HT_MCS_NUM 32
#define ATH10K_RATE_TABLE_NUM 320
/* Value to disable fixed rate setting */
#define WMI_FIXED_RATE_NONE (0xff)