diff options
| author |   Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2023-12-19 21:59:01 +0200 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2023-12-21 20:35:17 +0100 |
| commit | 6f3afc6c19fcd2d04909d8e04c7de04879838d1e (patch) | |
| tree | e6248ee51ac0088522819a1ef42eceaee6042e94 | |
| parent | wifi: iwlwifi: mvm: disallow puncturing in US/Canada (diff) | |
| download | wireguard-linux-6f3afc6c19fcd2d04909d8e04c7de04879838d1e.tar.xz wireguard-linux-6f3afc6c19fcd2d04909d8e04c7de04879838d1e.zip | |
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: 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>
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/api/debug.h | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/file.h | 4 |
3 files changed, 19 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h index 7b18e098b125..798731ecbefd 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/debug.h @@ -60,6 +60,12 @@ enum iwl_debug_cmds { */ 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 */ diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c index f6e399d1e95c..e27774e7ed74 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c @@ -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, ¶ms, false); } diff --git a/drivers/net/wireless/intel/iwlwifi/fw/file.h b/drivers/net/wireless/intel/iwlwifi/fw/file.h index c38e5194c55f..bfc39bd5bbc6 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/file.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/file.h @@ -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 /* |