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mac80211: minstrel_ht: show sampling rates in debugfs

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This makes it easier to see what rates are going to be tested next

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20210127055735.78599-5-nbd@nbd.name
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Felix Fietkau 2021-01-27 06:57:34 +01:00 committed by Johannes Berg
parent 80d55154b2
commit 4a8d0c999f
1 changed files with 16 additions and 2 deletions
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18
net/mac80211/rc80211_minstrel_ht_debugfs.c
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@ -32,6 +32,18 @@ minstrel_stats_release(struct inode *inode, struct file *file)
return 0;
}
static bool
minstrel_ht_is_sample_rate(struct minstrel_ht_sta *mi, int idx)
{
int type, i;
for (type = 0; type < ARRAY_SIZE(mi->sample); type++)
for (i = 0; i < MINSTREL_SAMPLE_RATES; i++)
if (mi->sample[type].cur_sample_rates[i] == idx)
return true;
return false;
}
static char *
minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
{
@ -84,6 +96,7 @@ minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
*(p++) = (idx == mi->max_tp_rate[2]) ? 'C' : ' ';
*(p++) = (idx == mi->max_tp_rate[3]) ? 'D' : ' ';
*(p++) = (idx == mi->max_prob_rate) ? 'P' : ' ';
*(p++) = minstrel_ht_is_sample_rate(mi, idx) ? 'S' : ' ';
if (gflags & IEEE80211_TX_RC_MCS) {
p += sprintf(p, " MCS%-2u", (mg->streams - 1) * 8 + j);
@ -145,9 +158,9 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
p += sprintf(p, "\n");
p += sprintf(p,
" best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n");
" best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n");
p += sprintf(p,
"mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
"mode guard # rate [name idx airtime max_tp] [avg(tp) avg(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++)
@ -228,6 +241,7 @@ minstrel_ht_stats_csv_dump(struct minstrel_ht_sta *mi, int i, char *p)
p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[2]) ? "C" : ""));
p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[3]) ? "D" : ""));
p += sprintf(p, "%s" ,((idx == mi->max_prob_rate) ? "P" : ""));
p += sprintf(p, "%s", (minstrel_ht_is_sample_rate(mi, idx) ? "S" : ""));
if (gflags & IEEE80211_TX_RC_MCS) {
p += sprintf(p, ",MCS%-2u,", (mg->streams - 1) * 8 + j);