1 files changed, 72 insertions, 0 deletions
diff --git a/package/mac80211/patches/521-ath9k_common-use_mcast_search.patch b/package/mac80211/patches/521-ath9k_common-use_mcast_search.patch
new file mode 100644
index 000000000..b83e9583c
--- /dev/null
+++ b/package/mac80211/patches/521-ath9k_common-use_mcast_search.patch
@@ -0,0 +1,72 @@
+--- a/drivers/net/wireless/ath/ath9k/common.c
++++ b/drivers/net/wireless/ath/ath9k/common.c
+@@ -211,10 +211,14 @@ static int ath_reserve_key_cache_slot_tk
+ 	return -1;
+ }
+ 
+-static int ath_reserve_key_cache_slot(struct ath_common *common)
++static int ath_reserve_key_cache_slot(struct ath_common *common,
++				      enum ieee80211_key_alg alg)
+ {
+ 	int i;
+ 
++	if (alg == ALG_TKIP)
++		return ath_reserve_key_cache_slot_tkip(common);
++
+ 	/* First, try to find slots that would not be available for TKIP. */
+ 	if (common->splitmic) {
+ 		for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) {
+@@ -283,6 +287,7 @@ int ath9k_cmn_key_config(struct ath_comm
+ 	struct ath_hw *ah = common->ah;
+ 	struct ath9k_keyval hk;
+ 	const u8 *mac = NULL;
++	u8 gmac[ETH_ALEN];
+ 	int ret = 0;
+ 	int idx;
+ 
+@@ -306,9 +311,23 @@ int ath9k_cmn_key_config(struct ath_comm
+ 	memcpy(hk.kv_val, key->key, key->keylen);
+ 
+ 	if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
+-		/* For now, use the default keys for broadcast keys. This may
+-		 * need to change with virtual interfaces. */
+-		idx = key->keyidx;
++		switch (vif->type) {
++		case NL80211_IFTYPE_AP:
++			memcpy(gmac, vif->addr, ETH_ALEN);
++			gmac[0] |= 0x01;
++			mac = gmac;
++			idx = ath_reserve_key_cache_slot(common, key->alg);
++			break;
++		case NL80211_IFTYPE_ADHOC:
++			memcpy(gmac, sta->addr, ETH_ALEN);
++			gmac[0] |= 0x01;
++			mac = gmac;
++			idx = ath_reserve_key_cache_slot(common, key->alg);
++			break;
++		default:
++			idx = key->keyidx;
++			break;
++		}
+ 	} else if (key->keyidx) {
+ 		if (WARN_ON(!sta))
+ 			return -EOPNOTSUPP;
+@@ -325,14 +344,12 @@ int ath9k_cmn_key_config(struct ath_comm
+ 			return -EOPNOTSUPP;
+ 		mac = sta->addr;
+ 
+-		if (key->alg == ALG_TKIP)
+-			idx = ath_reserve_key_cache_slot_tkip(common);
+-		else
+-			idx = ath_reserve_key_cache_slot(common);
+-		if (idx < 0)
+-			return -ENOSPC; /* no free key cache entries */
++		idx = ath_reserve_key_cache_slot(common, key->alg);
+ 	}
+ 
++	if (idx < 0)
++		return -ENOSPC; /* no free key cache entries */
++
+ 	if (key->alg == ALG_TKIP)
+ 		ret = ath_setkey_tkip(common, idx, key->key, &hk, mac,
+ 				      vif->type == NL80211_IFTYPE_AP);