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-rw-r--r--drivers/net/wireless/ath/ath9k/main.c28
-rw-r--r--include/net/mac80211.h1
-rw-r--r--net/mac80211/key.c1
3 files changed, 27 insertions, 3 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 1f4ea74bf4c..40136cf63fa 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -751,6 +751,7 @@ static int ath_key_config(struct ath_common *common,
struct ath_hw *ah = common->ah;
struct ath9k_keyval hk;
const u8 *mac = NULL;
+ u8 gmac[ETH_ALEN];
int ret = 0;
int idx;
@@ -774,9 +775,30 @@ static int ath_key_config(struct ath_common *common,
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;
+
+ if (key->ap_addr) {
+ /*
+ * Group keys on hardware that supports multicast frame
+ * key search use a mac that is the sender's address with
+ * the high bit set instead of the app-specified address.
+ */
+ memcpy(gmac, key->ap_addr, ETH_ALEN);
+ gmac[0] |= 0x80;
+ mac = gmac;
+
+ if (key->alg == ALG_TKIP)
+ idx = ath_reserve_key_cache_slot_tkip(common);
+ else
+ idx = ath_reserve_key_cache_slot(common);
+ if (idx < 0)
+ mac = NULL; /* no free key cache entries */
+ }
+
+ if (!mac) {
+ /* For now, use the default keys for broadcast keys. This may
+ * need to change with virtual interfaces. */
+ idx = key->keyidx;
+ }
} else if (key->keyidx) {
if (WARN_ON(!sta))
return -EOPNOTSUPP;
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index c49e6adcd8f..63e9d37e3e7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -793,6 +793,7 @@ struct ieee80211_key_conf {
u8 iv_len;
u8 hw_key_idx;
u8 flags;
+ u8 *ap_addr;
s8 keyidx;
u8 keylen;
u8 key[0];
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index 8160d9c5372..75705bd4195 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -139,6 +139,7 @@ static void ieee80211_key_enable_hw_accel(struct ieee80211_key *key)
struct ieee80211_sub_if_data,
u.ap);
+ key->conf.ap_addr = sdata->dev->dev_addr;
ret = drv_set_key(key->local, SET_KEY, sdata, sta, &key->conf);
if (!ret) {