1 files changed, 26 insertions, 17 deletions

diff --git a/net/mac80211/rc80211_minstrel_ht_debugfs.c b/net/mac80211/rc80211_minstrel_ht_debugfs.c
index d537bec..20c676b 100644
--- a/net/mac80211/rc80211_minstrel_ht_debugfs.c
+++ b/net/mac80211/rc80211_minstrel_ht_debugfs.c
@@ -18,19 +18,23 @@
 static char *
 minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
 {
-	unsigned int max_mcs = MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS;
 	const struct mcs_group *mg;
 	unsigned int j, tp, prob, eprob;
 	char htmode = '2';
 	char gimode = 'L';
+	u32 gflags;
 
 	if (!mi->groups[i].supported)
 		return p;
 
 	mg = &minstrel_mcs_groups[i];
-	if (mg->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+	gflags = mg->flags;
+
+	if (gflags & IEEE80211_TX_RC_40_MHZ_WIDTH)
 		htmode = '4';
-	if (mg->flags & IEEE80211_TX_RC_SHORT_GI)
+	else if (gflags & IEEE80211_TX_RC_80_MHZ_WIDTH)
+		htmode = '8';
+	if (gflags & IEEE80211_TX_RC_SHORT_GI)
 		gimode = 'S';
 
 	for (j = 0; j < MCS_GROUP_RATES; j++) {
@@ -41,10 +45,12 @@ minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
 		if (!(mi->groups[i].supported & BIT(j)))
 			continue;
 
-		if (i == max_mcs)
-			p += sprintf(p, "CCK/%cP   ", j < 4 ? 'L' : 'S');
+		if (gflags & IEEE80211_TX_RC_MCS)
+			p += sprintf(p, " HT%c0/%cGI ", htmode, gimode);
+		else if (gflags & IEEE80211_TX_RC_VHT_MCS)
+			p += sprintf(p, "VHT%c0/%cGI ", htmode, gimode);
 		else
-			p += sprintf(p, "HT%c0/%cGI ", htmode, gimode);
+			p += sprintf(p, " CCK/%cP   ", j < 4 ? 'L' : 'S');
 
 		*(p++) = (idx == mi->max_tp_rate[0]) ? 'A' : ' ';
 		*(p++) = (idx == mi->max_tp_rate[1]) ? 'B' : ' ';
@@ -52,11 +58,14 @@ minstrel_ht_stats_dump(struct minstrel_ht_sta *mi, int i, char *p)
 		*(p++) = (idx == mi->max_tp_rate[3]) ? 'D' : ' ';
 		*(p++) = (idx == mi->max_prob_rate) ? 'P' : ' ';
 
-		if (i == max_mcs) {
-			int r = bitrates[j % 4];
-			p += sprintf(p, " %2u.%1uM", r / 10, r % 10);
+		if (gflags & IEEE80211_TX_RC_MCS) {
+			p += sprintf(p, " MCS%-2u ", (mg->streams - 1) * 8 + j);
+		} else if (gflags & IEEE80211_TX_RC_VHT_MCS) {
+			p += sprintf(p, " MCS%-1u/%1u", j, mg->streams);
 		} else {
-			p += sprintf(p, " MCS%-2u", (mg->streams - 1) * 8 + j);
+			int r = bitrates[j % 4];
+
+			p += sprintf(p, " %2u.%1uM ", r / 10, r % 10);
 		}
 
 		tp = mr->cur_tp / 10;
@@ -85,7 +94,6 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
 	struct minstrel_ht_sta *mi = &msp->ht;
 	struct minstrel_debugfs_info *ms;
 	unsigned int i;
-	unsigned int max_mcs = MINSTREL_MAX_STREAMS * MINSTREL_STREAM_GROUPS;
 	char *p;
 	int ret;
 
@@ -96,18 +104,19 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
 		return ret;
 	}
 
-	ms = kmalloc(8192, GFP_KERNEL);
+	ms = kmalloc(32768, GFP_KERNEL);
 	if (!ms)
 		return -ENOMEM;
 
 	file->private_data = ms;
 	p = ms->buf;
-	p += sprintf(p, "type           rate     tpt eprob *prob "
+	p += sprintf(p, " type           rate      tpt eprob *prob "
 			"ret  *ok(*cum)        ok(      cum)\n");
 
-
-	p = minstrel_ht_stats_dump(mi, max_mcs, p);
-	for (i = 0; i < max_mcs; i++)
+	p = minstrel_ht_stats_dump(mi, MINSTREL_CCK_GROUP, p);
+	for (i = 0; i < MINSTREL_CCK_GROUP; i++)
+		p = minstrel_ht_stats_dump(mi, i, p);
+	for (i++; i < ARRAY_SIZE(mi->groups); i++)
 		p = minstrel_ht_stats_dump(mi, i, p);
 
 	p += sprintf(p, "\nTotal packet count::    ideal %d      "
@@ -119,7 +128,7 @@ minstrel_ht_stats_open(struct inode *inode, struct file *file)
 		MINSTREL_TRUNC(mi->avg_ampdu_len * 10) % 10);
 	ms->len = p - ms->buf;
 
-	WARN_ON(ms->len + sizeof(*ms) > 8192);
+	WARN_ON(ms->len + sizeof(*ms) > 32768);
 
 	return nonseekable_open(inode, file);
 }