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Commit 79221126 authored by Sara Sharon's avatar Sara Sharon Committed by Luca Coelho
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iwlwifi: mvm: implement CSA abort



In case we receive abort operation for CSA, clean up
our state.

Signed-off-by: default avatarSara Sharon <sara.sharon@intel.com>
Signed-off-by: default avatarLuca Coelho <luciano.coelho@intel.com>
parent 9cfcf71c
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+24 −0
Original line number Diff line number Diff line
@@ -4631,6 +4631,29 @@ static int iwl_mvm_post_channel_switch(struct ieee80211_hw *hw,
	return ret;
}

static void iwl_mvm_abort_channel_switch(struct ieee80211_hw *hw,
					 struct ieee80211_vif *vif)
{
	struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
	struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
	struct iwl_chan_switch_te_cmd cmd = {
		.mac_id = cpu_to_le32(FW_CMD_ID_AND_COLOR(mvmvif->id,
							  mvmvif->color)),
		.action = cpu_to_le32(FW_CTXT_ACTION_REMOVE),
	};

	IWL_DEBUG_MAC80211(mvm, "Abort CSA on mac %d\n", mvmvif->id);

	mutex_lock(&mvm->mutex);
	WARN_ON(iwl_mvm_send_cmd_pdu(mvm,
				     WIDE_ID(MAC_CONF_GROUP,
					     CHANNEL_SWITCH_TIME_EVENT_CMD),
				     0, sizeof(cmd), &cmd));
	mutex_unlock(&mvm->mutex);

	WARN_ON(iwl_mvm_post_channel_switch(hw, vif));
}

static void iwl_mvm_flush_no_vif(struct iwl_mvm *mvm, u32 queues, bool drop)
{
	int i;
@@ -5087,6 +5110,7 @@ const struct ieee80211_ops iwl_mvm_hw_ops = {
	.channel_switch = iwl_mvm_channel_switch,
	.pre_channel_switch = iwl_mvm_pre_channel_switch,
	.post_channel_switch = iwl_mvm_post_channel_switch,
	.abort_channel_switch = iwl_mvm_abort_channel_switch,

	.tdls_channel_switch = iwl_mvm_tdls_channel_switch,
	.tdls_cancel_channel_switch = iwl_mvm_tdls_cancel_channel_switch,