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authorJohannes Berg <johannes.berg@intel.com>2013-03-06 13:15:21 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-03-20 12:02:12 +0100
commit6caffd4f9d11cbd9651d93a511ac385ce84aab83 (patch)
tree2605745846dcc8c4d3e8a389ce264efa715ab9c5 /drivers/net/wireless/iwlwifi
parentb9545b48ff4c725ea71f1d9fd9b78da08ddd6551 (diff)
downloadop-kernel-dev-6caffd4f9d11cbd9651d93a511ac385ce84aab83.zip
op-kernel-dev-6caffd4f9d11cbd9651d93a511ac385ce84aab83.tar.gz
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>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index ed2d875..f64bca5 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -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;
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