diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/htc_drv_main.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index ef4c6066129..06101b6bdea 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1409,6 +1409,21 @@ static int ath9k_htc_set_key(struct ieee80211_hw *hw, if (htc_modparam_nohwcrypt) return -ENOSPC; + if ((vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_MESH_POINT) && + (key->cipher == WLAN_CIPHER_SUITE_TKIP || + key->cipher == WLAN_CIPHER_SUITE_CCMP) && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { + /* + * For now, disable hw crypto for the RSN IBSS group keys. This + * could be optimized in the future to use a modified key cache + * design to support per-STA RX GTK, but until that gets + * implemented, use of software crypto for group addressed + * frames is a acceptable to allow RSN IBSS to be used. + */ + return -EOPNOTSUPP; + } + mutex_lock(&priv->mutex); ath_dbg(common, CONFIG, "Set HW Key\n"); ath9k_htc_ps_wakeup(priv); |