cfg/mac80211: define TDLS channel switch feature bit

[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / tdls.c

diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 30a4c100401018f07d5ee5afba016fb6d1ed9cc1..4554bdc72c91db118bf14976a47f6e4132b5c4c4 100644 (file)
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -35,16 +35,19 @@ void ieee80211_tdls_peer_del_work(struct work_struct *wk)
        mutex_unlock(&local->mtx);
 }
 
-static void ieee80211_tdls_add_ext_capab(struct sk_buff *skb)
+static void ieee80211_tdls_add_ext_capab(struct ieee80211_local *local,
+                                        struct sk_buff *skb)
 {
        u8 *pos = (void *)skb_put(skb, 7);
+       bool chan_switch = local->hw.wiphy->features &
+                          NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
 
        *pos++ = WLAN_EID_EXT_CAPABILITY;
        *pos++ = 5; /* len */
        *pos++ = 0x0;
        *pos++ = 0x0;
        *pos++ = 0x0;
-       *pos++ = 0x0;
+       *pos++ = chan_switch ? WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH : 0;
        *pos++ = WLAN_EXT_CAPA5_TDLS_ENABLED;
 }
 
@@ -289,7 +292,7 @@ ieee80211_tdls_add_setup_start_ies(struct ieee80211_sub_if_data *sdata,
                offset = noffset;
        }
 
-       ieee80211_tdls_add_ext_capab(skb);
+       ieee80211_tdls_add_ext_capab(local, skb);
 
        /* add the QoS element if we support it */
        if (local->hw.queues >= IEEE80211_NUM_ACS &&