Commit 4a8d0c99 authored by Felix Fietkau's avatar Felix Fietkau Committed by Johannes Berg
Browse files

mac80211: minstrel_ht: show sampling rates in debugfs 



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

Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Link: https://lore.kernel.org/r/20210127055735.78599-5-nbd@nbd.name


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 80d55154

net/mac80211/rc80211_minstrel_ht_debugfs.c

+16 −2
Original line number Diff line number Diff line
@@ -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);
@@ -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);