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

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

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20231219215605.99aed3efbacb.Ib5bda1d1ff4bae476667737d4081ad066d1d7e6b@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach
2023-12-19 21:59:01 +02:00
committed by Johannes Berg
parent ea5cca78fa
commit 6f3afc6c19
3 changed files with 19 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/net/wireless/intel/iwlwifi/fw/api/debug.h
View File

@@ -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

9
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@@ -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);
}

4
drivers/net/wireless/intel/iwlwifi/fw/file.h
View File

@@ -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
/*