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iwlwifi:mvm: Add AP/GO channel switch support

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Publish WIPHY_FLAG_HAS_CHANNEL_SWITCH if the fw supports
newly introduced IWL_UCODE_TLV_API_CSA_FLOW.
When CSA starts, save the switching vif inside mvm and during the CSA period
configure fw with a new beacon after each beacon transmission in order to
update the csa counters.
Also, handle correctly the CSA unbind-bind flow which is triggered by mac80211
when the actual channel switch happens.

Signed-off-by: Andrei Otcheretianski <andrei.otcheretianski@intel.com>
Reviewed-by: Luciano Coelho <luciano.coelho@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Andrei Otcheretianski
2013-10-22 05:01:12 +02:00
committed by Emmanuel Grumbach
parent 9256c2051d
commit bd3398e286
5 changed files with 60 additions and 2 deletions
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2
drivers/net/wireless/iwlwifi/mvm/ops.c
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@@ -220,7 +220,7 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false),
RX_HANDLER(BT_PROFILE_NOTIFICATION, iwl_mvm_rx_bt_coex_notif, true),
RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, false),
RX_HANDLER(BEACON_NOTIFICATION, iwl_mvm_rx_beacon_notif, true),
RX_HANDLER(STATISTICS_NOTIFICATION, iwl_mvm_rx_statistics, true),
RX_HANDLER(ANTENNA_COUPLING_NOTIFICATION,
iwl_mvm_rx_ant_coupling_notif, true),