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iwlwifi: mvm: Fix quota handling for monitor interface 

1. Quota for the monitor interface should be added only if there is
   a channel context assigned to the interface.
2. In the unassign channel context flow, need to remove the quota
   for the monitor interface binding, before unbinding.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Ilan Peer 2013-03-13 14:52:04 +02:00 committed by Johannes Berg
parent 5649ce429e
commit 1e1391ca43
3 changed files with 9 additions and 3 deletions
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6
drivers/net/wireless/iwlwifi/mvm/mac80211.c
View File

@ -1264,6 +1264,7 @@ static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
* will handle quota settings.
*/
if (vif->type == NL80211_IFTYPE_MONITOR) {
mvmvif->monitor_active = true;
ret = iwl_mvm_update_quotas(mvm, vif);
if (ret)
goto out_remove_binding;
@ -1294,15 +1295,16 @@ static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
if (vif->type == NL80211_IFTYPE_AP)
goto out_unlock;
iwl_mvm_binding_remove_vif(mvm, vif);
switch (vif->type) {
case NL80211_IFTYPE_MONITOR:
iwl_mvm_update_quotas(mvm, vif);
mvmvif->monitor_active = false;
iwl_mvm_update_quotas(mvm, NULL);
break;
default:
break;
}
iwl_mvm_binding_remove_vif(mvm, vif);
out_unlock:
mvmvif->phy_ctxt = NULL;
mutex_unlock(&mvm->mutex);

3
drivers/net/wireless/iwlwifi/mvm/mvm.h
View File

@ -157,6 +157,8 @@ enum iwl_power_scheme {
* @uploaded: indicates the MAC context has been added to the device
* @ap_active: indicates that ap context is configured, and that the interface
* should get quota etc.
* @monitor_active: indicates that monitor context is configured, and that the
* interface should get quota etc.
* @queue_params: QoS params for this MAC
* @bcast_sta: station used for broadcast packets. Used by the following
* vifs: P2P_DEVICE, GO and AP.
@ -169,6 +171,7 @@ struct iwl_mvm_vif {
bool uploaded;
bool ap_active;
bool monitor_active;
u32 ap_beacon_time;

3
drivers/net/wireless/iwlwifi/mvm/quota.c
View File

@ -114,7 +114,8 @@ static void iwl_mvm_quota_iterator(void *_data, u8 *mac,
data->n_interfaces[id]++;
break;
case NL80211_IFTYPE_MONITOR:
data->n_interfaces[id]++;
if (mvmvif->monitor_active)
data->n_interfaces[id]++;
break;
case NL80211_IFTYPE_P2P_DEVICE:
break;