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iwlwifi: mvm: suppress key error messages in AP mode 

In AP mode, don't attempt to program GTKs into the
device, they're used for TX only so not needed and
programming them causes error messages. Also, in
this case and if key programming fails, avoid trying
to remove the key that isn't present later.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-03-06 13:15:21 +01:00
parent b9545b48ff
commit 6caffd4f9d
1 changed files with 13 additions and 0 deletions
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13
drivers/net/wireless/iwlwifi/mvm/mac80211.c
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@ -1087,6 +1087,13 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
switch (cmd) {
case SET_KEY:
if (vif->type == NL80211_IFTYPE_AP && !sta) {
/* GTK on AP interface is a TX-only key, return 0 */
ret = 0;
key->hw_key_idx = STA_KEY_IDX_INVALID;
break;
}
IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
if (ret) {
@ -1095,11 +1102,17 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
* can't add key for RX, but we don't need it
* in the device for TX so still return 0
*/
key->hw_key_idx = STA_KEY_IDX_INVALID;
ret = 0;
}
break;
case DISABLE_KEY:
if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
ret = 0;
break;
}
IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
break;