wifi: mac80211: make ieee80211_check_rate_mask() link-aware

Change ieee80211_check_rate_mask() to use a link rather than
the sdata and deflink/bss_conf.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/cfg.c

@@ -2524,7 +2524,7 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
 					 params->basic_rates_len,
 					 &sdata->vif.bss_conf.basic_rates);
 		changed |= BSS_CHANGED_BASIC_RATES;
-		ieee80211_check_rate_mask(sdata);
+		ieee80211_check_rate_mask(&sdata->deflink);
 	}
 
 	if (params->ap_isolate >= 0) {

net/mac80211/mlme.c

@@ -2361,7 +2361,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
 	memcpy(link->u.mgd.bssid, cbss->bssid, ETH_ALEN);
 	memcpy(sdata->vif.cfg.ap_addr, cbss->bssid, ETH_ALEN);
 
-	ieee80211_check_rate_mask(sdata);
+	ieee80211_check_rate_mask(link);
 
 	if (sdata->vif.p2p ||
 	    sdata->vif.driver_flags & IEEE80211_VIF_GET_NOA_UPDATE) {

net/mac80211/rate.c

@@ -270,17 +270,18 @@ static void rate_control_free(struct ieee80211_local *local,
 	kfree(ctrl_ref);
 }
 
-void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata)
+void ieee80211_check_rate_mask(struct ieee80211_link_data *link)
 {
+	struct ieee80211_sub_if_data *sdata = link->sdata;
 	struct ieee80211_local *local = sdata->local;
 	struct ieee80211_supported_band *sband;
-	u32 user_mask, basic_rates = sdata->vif.bss_conf.basic_rates;
+	u32 user_mask, basic_rates = link->conf->basic_rates;
 	enum nl80211_band band;
 
-	if (WARN_ON(!sdata->vif.bss_conf.chandef.chan))
+	if (WARN_ON(!link->conf->chandef.chan))
 		return;
 
-	band = sdata->vif.bss_conf.chandef.chan->band;
+	band = link->conf->chandef.chan->band;
 	if (band == NL80211_BAND_S1GHZ) {
 		/* TODO */
 		return;

net/mac80211/rate.h

@@ -85,7 +85,7 @@ static inline void rate_control_add_debugfs(struct ieee80211_local *local)
 #endif
 }
 
-void ieee80211_check_rate_mask(struct ieee80211_sub_if_data *sdata);
+void ieee80211_check_rate_mask(struct ieee80211_link_data *link);
 
 /* Get a reference to the rate control algorithm. If `name' is NULL, get the
  * first available algorithm. */