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-rw-r--r--include/linux/ieee80211.h5
-rw-r--r--net/mac80211/debugfs_sta.c12
2 files changed, 14 insertions, 3 deletions
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index e8d43d0ff2c3..098bedcde9bb 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -775,7 +775,10 @@ struct ieee80211_bar {
/**
* struct ieee80211_mcs_info - MCS information
* @rx_mask: RX mask
- * @rx_highest: highest supported RX rate
+ * @rx_highest: highest supported RX rate. If set represents
+ * the highest supported RX data rate in units of 1 Mbps.
+ * If this field is 0 this value should not be used to
+ * consider the highest RX data rate supported.
* @tx_params: TX parameters
*/
struct ieee80211_mcs_info {
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index c833b6ce9902..0d4a759ba72c 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -218,11 +218,19 @@ static ssize_t sta_ht_capa_read(struct file *file, char __user *userbuf,
p += scnprintf(p, sizeof(buf)+buf-p, "ampdu factor/density: %d/%d\n",
htc->ampdu_factor, htc->ampdu_density);
p += scnprintf(p, sizeof(buf)+buf-p, "MCS mask:");
+
for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
p += scnprintf(p, sizeof(buf)+buf-p, " %.2x",
htc->mcs.rx_mask[i]);
- p += scnprintf(p, sizeof(buf)+buf-p, "\nMCS rx highest: %d\n",
- le16_to_cpu(htc->mcs.rx_highest));
+ p += scnprintf(p, sizeof(buf)+buf-p, "\n");
+
+ /* If not set this is meaningless */
+ if (le16_to_cpu(htc->mcs.rx_highest)) {
+ p += scnprintf(p, sizeof(buf)+buf-p,
+ "MCS rx highest: %d Mbps\n",
+ le16_to_cpu(htc->mcs.rx_highest));
+ }
+
p += scnprintf(p, sizeof(buf)+buf-p, "MCS tx params: %x\n",
htc->mcs.tx_params);
}
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