package/mac80211/patches/521-ath9k_common-use_mcast_search.patch

   1 --- a/drivers/net/wireless/ath/ath9k/common.c
   2 +++ b/drivers/net/wireless/ath/ath9k/common.c
   3 @@ -211,10 +211,14 @@ static int ath_reserve_key_cache_slot_tk
   4         return -1;
   5  }
   6
   7 -static int ath_reserve_key_cache_slot(struct ath_common *common)
   8 +static int ath_reserve_key_cache_slot(struct ath_common *common,
   9 +                                     enum ieee80211_key_alg alg)
  10  {
  11         int i;
  12
  13 +       if (alg == ALG_TKIP)
  14 +               return ath_reserve_key_cache_slot_tkip(common);
  15 +
  16         /* First, try to find slots that would not be available for TKIP. */
  17         if (common->splitmic) {
  18                 for (i = IEEE80211_WEP_NKID; i < common->keymax / 4; i++) {
  19 @@ -283,6 +287,7 @@ int ath9k_cmn_key_config(struct ath_comm
  20         struct ath_hw *ah = common->ah;
  21         struct ath9k_keyval hk;
  22         const u8 *mac = NULL;
  23 +       u8 gmac[ETH_ALEN];
  24         int ret = 0;
  25         int idx;
  26
  27 @@ -306,9 +311,23 @@ int ath9k_cmn_key_config(struct ath_comm
  28         memcpy(hk.kv_val, key->key, key->keylen);
  29
  30         if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) {
  31 -               /* For now, use the default keys for broadcast keys. This may
  32 -                * need to change with virtual interfaces. */
  33 -               idx = key->keyidx;
  34 +               switch (vif->type) {
  35 +               case NL80211_IFTYPE_AP:
  36 +                       memcpy(gmac, vif->addr, ETH_ALEN);
  37 +                       gmac[0] |= 0x01;
  38 +                       mac = gmac;
  39 +                       idx = ath_reserve_key_cache_slot(common, key->alg);
  40 +                       break;
  41 +               case NL80211_IFTYPE_ADHOC:
  42 +                       memcpy(gmac, sta->addr, ETH_ALEN);
  43 +                       gmac[0] |= 0x01;
  44 +                       mac = gmac;
  45 +                       idx = ath_reserve_key_cache_slot(common, key->alg);
  46 +                       break;
  47 +               default:
  48 +                       idx = key->keyidx;
  49 +                       break;
  50 +               }
  51         } else if (key->keyidx) {
  52                 if (WARN_ON(!sta))
  53                         return -EOPNOTSUPP;
  54 @@ -325,14 +344,12 @@ int ath9k_cmn_key_config(struct ath_comm
  55                         return -EOPNOTSUPP;
  56                 mac = sta->addr;
  57
  58 -               if (key->alg == ALG_TKIP)
  59 -                       idx = ath_reserve_key_cache_slot_tkip(common);
  60 -               else
  61 -                       idx = ath_reserve_key_cache_slot(common);
  62 -               if (idx < 0)
  63 -                       return -ENOSPC; /* no free key cache entries */
  64 +               idx = ath_reserve_key_cache_slot(common, key->alg);
  65         }
  66
  67 +       if (idx < 0)
  68 +               return -ENOSPC; /* no free key cache entries */
  69 +
  70         if (key->alg == ALG_TKIP)
  71                 ret = ath_setkey_tkip(common, idx, key->key, &hk, mac,
  72                                       vif->type == NL80211_IFTYPE_AP);