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Commit f35d9c55 authored by Emmanuel Grumbach's avatar Emmanuel Grumbach
Browse files

iwlwifi: mvm: add trigger for firmware dump upon channel switch 



We fire the trigger when the channel switch starts, but
the delay is configurable. That makes is easier to catch
channel switches that fail.

Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
parent 9d761fd8

drivers/net/wireless/iwlwifi/iwl-fw-error-dump.h

+2 −0
Original line number Diff line number Diff line
@@ -243,12 +243,14 @@ iwl_fw_error_next_data(struct iwl_fw_error_dump_data *data) 
 * @FW_DBG_TRIGGER_FW_ASSERT: trigger log collection when the firmware asserts

 * @FW_DBG_TRIGGER_MISSED_BEACONS: trigger log collection when beacons are

 *	missed.

 * @FW_DBG_TRIGGER_CHANNEL_SWITCH: trigger log collection upon channel switch.

 */

enum iwl_fw_dbg_trigger {

	FW_DBG_TRIGGER_INVALID = 0,

	FW_DBG_TRIGGER_USER,

	FW_DBG_TRIGGER_FW_ASSERT,

	FW_DBG_TRIGGER_MISSED_BEACONS,

	FW_DBG_TRIGGER_CHANNEL_SWITCH,



	/* must be last */

	FW_DBG_TRIGGER_MAX,

drivers/net/wireless/iwlwifi/mvm/mac80211.c

+3 −0
Original line number Diff line number Diff line
@@ -3481,6 +3481,9 @@ static int iwl_mvm_pre_channel_switch(struct ieee80211_hw *hw, 
	IWL_DEBUG_MAC80211(mvm, "pre CSA to freq %d\n",

			   chsw->chandef.center_freq1);



	iwl_fw_dbg_trigger_simple_stop(mvm, vif, FW_DBG_TRIGGER_CHANNEL_SWITCH,

				       NULL, 0);



	switch (vif->type) {

	case NL80211_IFTYPE_AP:

		csa_vif =