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-rw-r--r--net/mac80211/rc80211_minstrel_ht_debugfs.c49
1 files changed, 34 insertions, 15 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index 20c676b8e5b6..7fc690ffd85a 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -19,7 +19,7 @@ static char *
minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
{
const struct mcs_group *mg;
- unsigned int j, tp, prob, eprob;
+ unsigned int j, tp, prob, eprob, tx_time;
char htmode = '2';
char gimode = 'L';
u32 gflags;
@@ -45,12 +45,19 @@ minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
if (!(mi->groups[i].supported & BIT(j)))
continue;
- if (gflags & IEEE80211_TX_RC_MCS)
- p += sprintf(p, " HT%c0/%cGI ", htmode, gimode);
- else if (gflags & IEEE80211_TX_RC_VHT_MCS)
- p += sprintf(p, "VHT%c0/%cGI ", htmode, gimode);
- else
- p += sprintf(p, " CCK/%cP ", j < 4 ? 'L' : 'S');
+ if (gflags & IEEE80211_TX_RC_MCS) {
+ p += sprintf(p, "HT%c0 ", htmode);
+ p += sprintf(p, "%cGI ", gimode);
+ p += sprintf(p, "%d ", mg->streams);
+ } else if (gflags & IEEE80211_TX_RC_VHT_MCS) {
+ p += sprintf(p, "VHT%c0 ", htmode);
+ p += sprintf(p, "%cGI ", gimode);
+ p += sprintf(p, "%d ", mg->streams);
+ } else {
+ p += sprintf(p, "CCK ");
+ p += sprintf(p, "%cP ", j < 4 ? 'L' : 'S');
+ p += sprintf(p, "1 ");
+ }
*(p++) = (idx == mi->max_tp_rate[0]) ? 'A' : ' ';
*(p++) = (idx == mi->max_tp_rate[1]) ? 'B' : ' ';
@@ -59,21 +66,27 @@ minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
*(p++) = (idx == mi->max_prob_rate) ? 'P' : ' ';
if (gflags & IEEE80211_TX_RC_MCS) {
- p += sprintf(p, " MCS%-2u ", (mg->streams - 1) * 8 + j);
+ p += sprintf(p, " MCS%-2u", (mg->streams - 1) * 8 + j);
} else if (gflags & IEEE80211_TX_RC_VHT_MCS) {
- p += sprintf(p, " MCS%-1u/%1u", j, mg->streams);
+ p += sprintf(p, " MCS%-1u/%1u", j, mg->streams);
} else {
int r = bitrates[j % 4];
- p += sprintf(p, " %2u.%1uM ", r / 10, r % 10);
+ p += sprintf(p, " %2u.%1uM", r / 10, r % 10);
}
+ p += sprintf(p, " %3u ", idx);
+
+ /* tx_time[rate(i)] in usec */
+ tx_time = DIV_ROUND_CLOSEST(mg->duration[j], 1000);
+ p += sprintf(p, "%6u ", tx_time);
+
tp = mr->cur_tp / 10;
prob = MINSTREL_TRUNC(mr->cur_prob * 1000);
eprob = MINSTREL_TRUNC(mr->probability * 1000);
- p += sprintf(p, " %4u.%1u %3u.%1u %3u.%1u "
- "%3u %4u(%4u) %9llu(%9llu)\n",
+ p += sprintf(p, "%4u.%1u %3u.%1u %3u.%1u "
+ "%3u %3u %-3u %9llu %-9llu\n",
tp / 10, tp % 10,
eprob / 10, eprob % 10,
prob / 10, prob % 10,
@@ -110,8 +123,14 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
file->private_data = ms;
p = ms->buf;
- p += sprintf(p, " type rate tpt eprob *prob "
- "ret *ok(*cum) ok( cum)\n");
+
+ p += sprintf(p, "\n");
+ p += sprintf(p, " best ________rate______ "
+ "__statistics__ ________last_______ "
+ "______sum-of________\n");
+ p += sprintf(p, "mode guard # rate [name idx airtime] [ ø(tp) "
+ "ø(prob)] [prob.|retry|suc|att] [#success | "
+ "#attempts]\n");
p = minstrel_ht_stats_dump(mi, MINSTREL_CCK_GROUP, p);
for (i = 0; i < MINSTREL_CCK_GROUP; i++)
@@ -123,7 +142,7 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
"lookaround %d\n",
max(0, (int) mi->total_packets - (int) mi->sample_packets),
mi->sample_packets);
- p += sprintf(p, "Average A-MPDU length: %d.%d\n",
+ p += sprintf(p, "Average # of aggregated frames per A-MPDU: %d.%d\n",
MINSTREL_TRUNC(mi->avg_ampdu_len),
MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
ms->len = p - ms->buf;