mac80211: copy peer MCS TX parameters

We need to copy this to allow drivers to look
at the information where needed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 75d679d75e63..b9e4b9bd2179 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -66,6 +66,9 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
         /* own MCS TX capabilities */
         tx_mcs_set_cap = sband->ht_cap.mcs.tx_params;
 
+        /* Copy peer MCS TX capabilities, the driver might need them. */
+        ht_cap->mcs.tx_params = ht_cap_ie->mcs.tx_params;
+
         /* can we TX with MCS rates? */
         if (!(tx_mcs_set_cap & IEEE80211_HT_MCS_TX_DEFINED))
                 return;
@@ -79,7 +82,7 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
                 max_tx_streams = IEEE80211_HT_MCS_TX_MAX_STREAMS;
 
         /*
-         * 802.11n D5.0 20.3.5 / 20.6 says:
+         * 802.11n-2009 20.3.5 / 20.6 says:
          * - indices 0 to 7 and 32 are single spatial stream
          * - 8 to 31 are multiple spatial streams using equal modulation
          *   [8..15 for two streams, 16..23 for three and 24..31 for four]