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60 lines
2.4 KiB
Diff
60 lines
2.4 KiB
Diff
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From: Felix Fietkau <nbd@nbd.name>
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Date: Sat, 23 Jan 2021 00:10:34 +0100
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Subject: [PATCH] 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
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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---
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--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
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+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
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@@ -32,6 +32,18 @@ minstrel_stats_release(struct inode *ino
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return 0;
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}
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+static bool
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+minstrel_ht_is_sample_rate(struct minstrel_ht_sta *mi, int idx)
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+{
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+ int type, i;
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+
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+ for (type = 0; type < ARRAY_SIZE(mi->sample); type++)
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+ for (i = 0; i < MINSTREL_SAMPLE_RATES; i++)
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+ if (mi->sample[type].cur_sample_rates[i] == idx)
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+ return true;
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+ return false;
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+}
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+
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static char *
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minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
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{
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@@ -84,6 +96,7 @@ minstrel_ht_stats_dump(struct minstrel_h
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*(p++) = (idx == mi->max_tp_rate[2]) ? 'C' : ' ';
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*(p++) = (idx == mi->max_tp_rate[3]) ? 'D' : ' ';
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*(p++) = (idx == mi->max_prob_rate) ? 'P' : ' ';
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+ *(p++) = minstrel_ht_is_sample_rate(mi, idx) ? 'S' : ' ';
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if (gflags & IEEE80211_TX_RC_MCS) {
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p += sprintf(p, " MCS%-2u", (mg->streams - 1) * 8 + j);
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@@ -145,9 +158,9 @@ minstrel_ht_stats_open(struct inode *ino
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p += sprintf(p, "\n");
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p += sprintf(p,
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- " best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n");
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+ " best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n");
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p += sprintf(p,
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- "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
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+ "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n");
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p = minstrel_ht_stats_dump(mi, MINSTREL_CCK_GROUP, p);
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for (i = 0; i < MINSTREL_CCK_GROUP; i++)
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@@ -228,6 +241,8 @@ minstrel_ht_stats_csv_dump(struct minstr
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p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[2]) ? "C" : ""));
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p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[3]) ? "D" : ""));
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p += sprintf(p, "%s" ,((idx == mi->max_prob_rate) ? "P" : ""));
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+ p += sprintf(p, "%s" ,((idx == mi->max_prob_rate) ? "P" : ""));
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+ p += sprintf(p, "%s", (minstrel_ht_is_sample_rate(mi, idx) ? "S" : ""));
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if (gflags & IEEE80211_TX_RC_MCS) {
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p += sprintf(p, ",MCS%-2u,", (mg->streams - 1) * 8 + j);
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