wifi: mac80211: move tdls_chan_switch_prohibited to link data

This value should be per link, since a TDLS connection is
only established on a given link.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/cfg.c

@@ -1759,7 +1759,7 @@ static int sta_apply_parameters(struct ieee80211_local *local,
 
 	/* mark TDLS channel switch support, if the AP allows it */
 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
-	    !sdata->u.mgd.tdls_chan_switch_prohibited &&
+	    !sdata->deflink.u.mgd.tdls_chan_switch_prohibited &&
 	    params->ext_capab_len >= 4 &&
 	    params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
 		set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);

net/mac80211/ieee80211_i.h

@@ -514,7 +514,6 @@ struct ieee80211_if_managed {
 	struct sk_buff *orig_teardown_skb; /* The original teardown skb */
 	struct sk_buff *teardown_skb; /* A copy to send through the AP */
 	spinlock_t teardown_lock; /* To lock changing teardown_skb */
-	bool tdls_chan_switch_prohibited;
 	bool tdls_wider_bw_prohibited;
 
 	/* WMM-AC TSPEC support */
@@ -880,6 +879,8 @@ struct ieee80211_link_data_managed {
 
 	s16 p2p_noa_index;
 
+	bool tdls_chan_switch_prohibited;
+
 	bool have_beacon;
 	bool tracking_signal_avg;
 	bool disable_wmm_tracking;

net/mac80211/mlme.c

@@ -3504,7 +3504,7 @@ static bool ieee80211_assoc_success(struct ieee80211_sub_if_data *sdata,
 	}
 
 	sdata->vif.cfg.aid = aid;
-	ifmgd->tdls_chan_switch_prohibited =
+	sdata->deflink.u.mgd.tdls_chan_switch_prohibited =
 		elems->ext_capab && elems->ext_capab_len >= 5 &&
 		(elems->ext_capab[4] & WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED);