mac80211: notify drivers on sta rate table changes

This allows drivers with a firmware or chip-based rate lookup table to
use the most recent default rate selection without having to get it from
per-packet data or explicit ieee80211_get_tx_rate calls

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index f6fea67f..08ab7d6d 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -696,6 +696,7 @@
 			   struct ieee80211_sta *pubsta,
 			   struct ieee80211_sta_rates *rates)
 {
+	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
 	struct ieee80211_sta_rates *old;
 
 	/*
@@ -709,6 +710,8 @@
 	if (old)
 		kfree_rcu(old, rcu_head);
 
+	drv_sta_rate_tbl_update(hw_to_local(hw), sta->sdata, pubsta);
+
 	return 0;
 }
 EXPORT_SYMBOL(rate_control_set_rates);