Commit 6f3afc6c authored by Emmanuel Grumbach's avatar Emmanuel Grumbach Committed by Johannes Berg
Browse files

wifi: iwlwifi: mvm: use the new command to clear the internal buffer 



The firmware can allow to clear the internal debug buffer. This can be
used to sanitize the data when requested to.

Signed-off-by: default avatarEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: default avatarGregory Greenman <gregory.greenman@intel.com>
Signed-off-by: default avatarMiri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231219215605.99aed3efbacb.Ib5bda1d1ff4bae476667737d4081ad066d1d7e6b@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent ea5cca78

drivers/net/wireless/intel/iwlwifi/fw/api/debug.h

+6 −0
Original line number Diff line number Diff line
@@ -59,6 +59,12 @@ enum iwl_debug_cmds { 
	 * &struct iwl_dbg_dump_complete_cmd

	 */

	FW_DUMP_COMPLETE_CMD = 0xB,

	/**

	 * @FW_CLEAR_BUFFER:

	 * clears the firmware's internal buffer

	 * no payload

	 */

	FW_CLEAR_BUFFER = 0xD,

	/**

	 * @MFU_ASSERT_DUMP_NTF:

	 * &struct iwl_mfu_assert_dump_notif

drivers/net/wireless/intel/iwlwifi/fw/dbg.c

+9 −0
Original line number Diff line number Diff line
@@ -3401,6 +3401,15 @@ void iwl_fw_dbg_clear_monitor_buf(struct iwl_fw_runtime *fwrt) 
	struct iwl_fw_dbg_params params = {0};



	iwl_fw_dbg_stop_sync(fwrt);



	if (fw_has_api(&fwrt->fw->ucode_capa,

		       IWL_UCODE_TLV_API_INT_DBG_BUF_CLEAR)) {

		struct iwl_host_cmd hcmd = {

			.id = WIDE_ID(DEBUG_GROUP, FW_CLEAR_BUFFER),

		};

		iwl_trans_send_cmd(fwrt->trans, &hcmd);

	}



	iwl_dbg_tlv_init_cfg(fwrt);

	iwl_fw_dbg_stop_restart_recording(fwrt, &params, false);

}

drivers/net/wireless/intel/iwlwifi/fw/file.h

+4 −0
Original line number Diff line number Diff line
@@ -245,6 +245,8 @@ typedef unsigned int __bitwise iwl_ucode_tlv_api_t; 
 *  SCAN_CONFIG_DB_CMD_API_S.

 * @IWL_UCODE_TLV_API_NO_HOST_DISABLE_TX: Firmware offloaded the station disable tx

 *	logic.

 * @IWL_UCODE_TLV_API_INT_DBG_BUF_CLEAR: Firmware supports clearing the debug

 *	internal buffer

 *

 * @NUM_IWL_UCODE_TLV_API: number of bits used

 */
@@ -282,7 +284,9 @@ enum iwl_ucode_tlv_api { 
	IWL_UCODE_TLV_API_ADWELL_HB_DEF_N_AP	= (__force iwl_ucode_tlv_api_t)57,

	IWL_UCODE_TLV_API_SCAN_EXT_CHAN_VER	= (__force iwl_ucode_tlv_api_t)58,

	IWL_UCODE_TLV_API_BAND_IN_RX_DATA	= (__force iwl_ucode_tlv_api_t)59,

	/* API Set 2 */

	IWL_UCODE_TLV_API_NO_HOST_DISABLE_TX	= (__force iwl_ucode_tlv_api_t)66,

	IWL_UCODE_TLV_API_INT_DBG_BUF_CLEAR     = (__force iwl_ucode_tlv_api_t)67,



	NUM_IWL_UCODE_TLV_API

/*