mac80211/minstrel_ht: show the number of retries for each rate in debugfs

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index e788f76a1dfe5811fb81614a88fc08f139f37f00..f2b7d26370f08f96680041bf2867136b4151160c 100644 (file)
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -38,8 +38,8 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
 
        file->private_data = ms;
        p = ms->buf;
-       p += sprintf(p, "type      rate     throughput  ewma prob   this prob  "
-                       "this succ/attempt   success    attempts\n");
+       p += sprintf(p, "type         rate     throughput  ewma prob   this prob  "
+                       "retry   this succ/attempt   success    attempts\n");
        for (i = 0; i < MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS; i++) {
                char htmode = '2';
                char gimode = 'L';
@@ -64,18 +64,19 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
                        *(p++) = (idx == mi->max_tp_rate) ? 'T' : ' ';
                        *(p++) = (idx == mi->max_tp_rate2) ? 't' : ' ';
                        *(p++) = (idx == mi->max_prob_rate) ? 'P' : ' ';
-                       p += sprintf(p, "MCS%-2u", (minstrel_mcs_groups[i].streams - 1) *
+                       p += sprintf(p, " MCS%-2u", (minstrel_mcs_groups[i].streams - 1) *
                                        MCS_GROUP_RATES + j);
 
                        tp = mr->cur_tp / 10;
                        prob = MINSTREL_TRUNC(mr->cur_prob * 1000);
                        eprob = MINSTREL_TRUNC(mr->probability * 1000);
 
-                       p += sprintf(p, "  %6u.%1u   %6u.%1u   %6u.%1u        "
-                                       "%3u(%3u)   %8llu    %8llu\n",
+                       p += sprintf(p, "      %6u.%1u   %6u.%1u    %6u.%1u    "
+                                       "%3u            %3u(%3u)  %8llu    %8llu\n",
                                        tp / 10, tp % 10,
                                        eprob / 10, eprob % 10,
                                        prob / 10, prob % 10,
+                                       mr->retry_count,
                                        mr->last_success,
                                        mr->last_attempts,
                                        (unsigned long long)mr->succ_hist,