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iwlwifi: mvm: Add support for connection monitor offload

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The firmware supports periodic keep alive and beacon monitoring,
so advertise connection monitor offload capability by setting
IEEE80211_HW_CONNECTION_MONITOR flag. Implement missed beacons
notification handler. Call ieee80211_beacon_loss in case of
missed beacons, so AP probing by mac80211 can be triggered.

Signed-off-by: Hila Gonen <hila.gonen@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Hila Gonen
2013-03-13 18:00:03 +02:00
committed by Johannes Berg
parent 9ce4fa7291
commit d64048edcd
5 changed files with 54 additions and 1 deletions
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25
drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c
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@@ -1050,3 +1050,28 @@ int iwl_mvm_rx_beacon_notif(struct iwl_mvm *mvm,
rate);
return 0;
}
static void iwl_mvm_beacon_loss_iterator(void *_data, u8 *mac,
struct ieee80211_vif *vif)
{
u16 *id = _data;
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
if (mvmvif->id == *id)
ieee80211_beacon_loss(vif);
}
int iwl_mvm_rx_missed_beacons_notif(struct iwl_mvm *mvm,
struct iwl_rx_cmd_buffer *rxb,
struct iwl_device_cmd *cmd)
{
struct iwl_rx_packet *pkt = rxb_addr(rxb);
struct iwl_missed_beacons_notif *missed_beacons = (void *)pkt->data;
u16 id = (u16)le32_to_cpu(missed_beacons->mac_id);
ieee80211_iterate_active_interfaces_atomic(mvm->hw,
IEEE80211_IFACE_ITER_NORMAL,
iwl_mvm_beacon_loss_iterator,
&id);
return 0;
}