diff options
| author | Avraham Stern <avraham.stern@intel.com> | 2023-03-20 13:33:03 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2023-03-22 15:16:35 +0300 |
| commit | 21fb8da6ebe40ce83468d6198143b4b583b967f9 (patch) | |
| tree | bcc39a2899b2b9e8826c409681d4ace790e23cad /drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h | |
| parent | 1595ecce1cf32688760281f40b58b7a1d4a69aa9 (diff) | |
| download | linux-21fb8da6ebe40ce83468d6198143b4b583b967f9.tar.xz | |
wifi: iwlwifi: mvm: read synced time from firmware if supported
If the firmware supports reading synced GP2/ATRB timestamps,
read the synced timestamps from firmware instead of reading the
GP2 register and the system time separately. Reading the synced
time from firmware should be more accurate.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230320122330.a6be5f0b5580.Idedb496a5943fa496143066ffbed08185a8c4582@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h | 49 |
1 files changed, 48 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h b/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h index 8b38a0073077..59db52f32e43 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/api/datapath.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2012-2014, 2018-2020 Intel Corporation + * Copyright (C) 2012-2014, 2018-2022 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -27,6 +27,11 @@ enum iwl_data_path_subcmd_ids { TRIGGER_RX_QUEUES_NOTIF_CMD = 0x2, /** + * @WNM_PLATFORM_PTM_REQUEST_CMD: &struct iwl_time_sync_cfg_cmd + */ + WNM_PLATFORM_PTM_REQUEST_CMD = 0x3, + + /** * @STA_HE_CTXT_CMD: &struct iwl_he_sta_context_cmd */ STA_HE_CTXT_CMD = 0x7, @@ -147,6 +152,48 @@ enum iwl_channel_estimation_flags { }; /** + * enum iwl_synced_time_operation - PTM request options + * + * @IWL_SYNCED_TIME_OPERATION_READ_ARTB: read only the ARTB time + * @IWL_SYNCED_TIME_OPERATION_READ_GP2: read only the GP2 time + * @IWL_SYNCED_TIME_OPERATION_READ_BOTH: latch the ARTB and GP2 clocks and + * provide timestamps from both clocks for the same time point + */ +enum iwl_synced_time_operation { + IWL_SYNCED_TIME_OPERATION_READ_ARTB = 1, + IWL_SYNCED_TIME_OPERATION_READ_GP2, + IWL_SYNCED_TIME_OPERATION_READ_BOTH, +}; + +/** + * struct iwl_synced_time_cmd - request synced GP2/ARTB timestamps + * + * @operation: one of &enum iwl_synced_time_operation + */ +struct iwl_synced_time_cmd { + __le32 operation; +} __packed; /* WNM_80211V_TIMING_CMD_API_S_VER_1 */ + +/** + * struct iwl_synced_time_rsp - response to iwl_synced_time_cmd + * + * @operation: one of &enum iwl_synced_time_operation + * @platform_timestamp_hi: high DWORD of the ARTB clock timestamp in nanoseconds + * @platform_timestamp_lo: low DWORD of the ARTB clock timestamp in nanoseconds + * @gp2_timestamp_hi: high DWORD of the GP2 clock timestamp in 10's of + * nanoseconds + * @gp2_timestamp_lo: low DWORD of the GP2 clock timestamp in 10's of + * nanoseconds + */ +struct iwl_synced_time_rsp { + __le32 operation; + __le32 platform_timestamp_hi; + __le32 platform_timestamp_lo; + __le32 gp2_timestamp_hi; + __le32 gp2_timestamp_lo; +} __packed; /* WNM_80211V_TIMING_RSP_API_S_VER_1 */ + +/** * struct iwl_channel_estimation_cfg - channel estimation reporting config */ struct iwl_channel_estimation_cfg { |