mac80211: Fix mac80211 station info rx bitrate for IBSS mode

Filter out incoming multicast packages before applying their bitrate
to the rx bitrate station info field to prevent them from setting the
rx bitrate to the basic multicast rate.

Signed-off-by: Henning Rogge <hrogge@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 216c45b949e513382447050eb560098a5edaa4b3..2b608b2b70ece8a6ed0cb8f8d8eed5b1d44e1536 100644 (file)
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1231,7 +1231,8 @@ ieee80211_rx_h_sta_process(struct ieee80211_rx_data *rx)
                if (ether_addr_equal(bssid, rx->sdata->u.ibss.bssid) &&
                    test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
                        sta->last_rx = jiffies;
-                       if (ieee80211_is_data(hdr->frame_control)) {
+                       if (ieee80211_is_data(hdr->frame_control) &&
+                           !is_multicast_ether_addr(hdr->addr1)) {
                                sta->last_rx_rate_idx = status->rate_idx;
                                sta->last_rx_rate_flag = status->flag;
                                sta->last_rx_rate_vht_flag = status->vht_flag;