| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 1 | From: Felix Fietkau <nbd@nbd.name> |
| 2 | Date: Sat, 23 Jan 2021 00:10:34 +0100 |
| 3 | Subject: [PATCH] mac80211: minstrel_ht: show sampling rates in debugfs |
| 4 | |
| 5 | This makes it easier to see what rates are going to be tested next |
| 6 | |
| 7 | Signed-off-by: Felix Fietkau <nbd@nbd.name> |
| 8 | --- |
| 9 | |
| 10 | --- a/net/mac80211/rc80211_minstrel_ht_debugfs.c |
| 11 | +++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c |
| 12 | @@ -32,6 +32,18 @@ minstrel_stats_release(struct inode *ino |
| 13 | return 0; |
| 14 | } |
| 15 | |
| 16 | +static bool |
| 17 | +minstrel_ht_is_sample_rate(struct minstrel_ht_sta *mi, int idx) |
| 18 | +{ |
| 19 | + int type, i; |
| 20 | + |
| 21 | + for (type = 0; type < ARRAY_SIZE(mi->sample); type++) |
| 22 | + for (i = 0; i < MINSTREL_SAMPLE_RATES; i++) |
| 23 | + if (mi->sample[type].cur_sample_rates[i] == idx) |
| 24 | + return true; |
| 25 | + return false; |
| 26 | +} |
| 27 | + |
| 28 | static char * |
| 29 | minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p) |
| 30 | { |
| 31 | @@ -84,6 +96,7 @@ minstrel_ht_stats_dump(struct minstrel_h |
| 32 | *(p++) = (idx == mi->max_tp_rate[2]) ? 'C' : ' '; |
| 33 | *(p++) = (idx == mi->max_tp_rate[3]) ? 'D' : ' '; |
| 34 | *(p++) = (idx == mi->max_prob_rate) ? 'P' : ' '; |
| 35 | + *(p++) = minstrel_ht_is_sample_rate(mi, idx) ? 'S' : ' '; |
| 36 | |
| 37 | if (gflags & IEEE80211_TX_RC_MCS) { |
| 38 | p += sprintf(p, " MCS%-2u", (mg->streams - 1) * 8 + j); |
| 39 | @@ -145,9 +158,9 @@ minstrel_ht_stats_open(struct inode *ino |
| 40 | |
| 41 | p += sprintf(p, "\n"); |
| 42 | p += sprintf(p, |
| 43 | - " best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n"); |
| 44 | + " best ____________rate__________ ____statistics___ _____last____ ______sum-of________\n"); |
| 45 | p += sprintf(p, |
| 46 | - "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n"); |
| 47 | + "mode guard # rate [name idx airtime max_tp] [avg(tp) avg(prob)] [retry|suc|att] [#success | #attempts]\n"); |
| 48 | |
| 49 | p = minstrel_ht_stats_dump(mi, MINSTREL_CCK_GROUP, p); |
| 50 | for (i = 0; i < MINSTREL_CCK_GROUP; i++) |
| 51 | @@ -228,6 +241,7 @@ minstrel_ht_stats_csv_dump(struct minstr |
| 52 | p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[2]) ? "C" : "")); |
| 53 | p += sprintf(p, "%s" ,((idx == mi->max_tp_rate[3]) ? "D" : "")); |
| 54 | p += sprintf(p, "%s" ,((idx == mi->max_prob_rate) ? "P" : "")); |
| 55 | + p += sprintf(p, "%s", (minstrel_ht_is_sample_rate(mi, idx) ? "S" : "")); |
| 56 | |
| 57 | if (gflags & IEEE80211_TX_RC_MCS) { |
| 58 | p += sprintf(p, ",MCS%-2u,", (mg->streams - 1) * 8 + j); |