| /* |
| * Copyright (c) 2015,2017 The Linux Foundation. All rights reserved. |
| * |
| * Previously licensed under the ISC license by Qualcomm Atheros, Inc. |
| * |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /* |
| * This file was originally distributed by Qualcomm Atheros, Inc. |
| * under proprietary terms before Copyright ownership was assigned |
| * to the Linux Foundation. |
| */ |
| |
| #if !defined WLAN_HDD_TSF_H |
| #define WLAN_HDD_TSF_H |
| |
| /*--------------------------------------------------------------------------- |
| Include files |
| -------------------------------------------------------------------------*/ |
| #include <wlan_hdd_includes.h> |
| #include "wlan_hdd_cfg.h" |
| |
| /*--------------------------------------------------------------------------- |
| Preprocessor definitions and constants |
| -------------------------------------------------------------------------*/ |
| |
| /*--------------------------------------------------------------------------- |
| Function declarations and documentation |
| -------------------------------------------------------------------------*/ |
| |
| #ifdef WLAN_FEATURE_TSF |
| |
| /** |
| * wlan_hdd_tsf_init() - set gpio and callbacks for |
| * capturing tsf and init tsf_plus |
| * @hdd_ctx: pointer to the hdd_context_t |
| * |
| * This function set the callback to sme module, the callback will be |
| * called when a tsf event is reported by firmware; set gpio number |
| * to FW, FW will toggle this gpio when received a CAP_TSF command; |
| * do tsf_plus init |
| * |
| * Return: nothing |
| */ |
| void wlan_hdd_tsf_init(hdd_context_t *hdd_ctx); |
| |
| /** |
| * wlan_hdd_tsf_deinit() - reset callbacks for capturing tsf, deinit tsf_plus |
| * @hdd_ctx: pointer to the hdd_context_t |
| * |
| * This function reset the callback to sme module, and deinit tsf_plus |
| * |
| * Return: nothing |
| */ |
| void wlan_hdd_tsf_deinit(hdd_context_t *hdd_ctx); |
| |
| /** |
| * hdd_capture_tsf() - capture tsf |
| * @adapter: pointer to adapter |
| * @buf: pointer to uplayer buf |
| * @len : the length of buf |
| * |
| * This function returns tsf value to uplayer. |
| * |
| * Return: Describe the execute result of this routine |
| */ |
| int hdd_capture_tsf(hdd_adapter_t *adapter, uint32_t *buf, int len); |
| |
| /** |
| * hdd_indicate_tsf() - return tsf to uplayer |
| * @adapter: pointer to adapter |
| * @buf: pointer to uplayer buf |
| * @len : the length of buf |
| * |
| * This function returns tsf value to uplayer. |
| * |
| * Return: Describe the execute result of this routine |
| */ |
| int hdd_indicate_tsf(hdd_adapter_t *adapter, uint32_t *buf, int len); |
| #else |
| static inline void |
| wlan_hdd_tsf_init(hdd_context_t *hdd_ctx) |
| { |
| } |
| |
| static inline void wlan_hdd_tsf_deinit(hdd_context_t *hdd_ctx) |
| { |
| } |
| |
| static inline int hdd_indicate_tsf(hdd_adapter_t *adapter, |
| uint32_t *buf, int len) |
| { |
| return -ENOTSUPP; |
| } |
| |
| static inline int |
| hdd_capture_tsf(hdd_adapter_t *adapter, uint32_t *buf, int len) |
| { |
| return -ENOTSUPP; |
| } |
| #endif |
| |
| #if defined(WLAN_FEATURE_TSF_PLUS) && defined(WLAN_FEATURE_TSF) |
| #define HDD_TSF_IS_PTP_ENABLED(hdd_ctx) \ |
| ((hdd_ctx) && (hdd_ctx)->cfg_ini && \ |
| ((hdd_ctx)->cfg_ini->tsf_ptp_options)) |
| |
| #define HDD_TSF_IS_TX_SET(hdd_ctx) \ |
| ((hdd_ctx) && (hdd_ctx)->cfg_ini && \ |
| (((hdd_ctx)->cfg_ini->tsf_ptp_options & CFG_SET_TSF_PTP_OPT_TX) == \ |
| CFG_SET_TSF_PTP_OPT_TX)) |
| |
| #define HDD_TSF_IS_RX_SET(hdd_ctx) \ |
| ((hdd_ctx) && (hdd_ctx)->cfg_ini && \ |
| (((hdd_ctx)->cfg_ini->tsf_ptp_options & CFG_SET_TSF_PTP_OPT_RX) == \ |
| CFG_SET_TSF_PTP_OPT_RX)) |
| |
| #define HDD_TSF_IS_RAW_SET(hdd_ctx) \ |
| ((hdd_ctx) && (hdd_ctx)->cfg_ini && \ |
| (((hdd_ctx)->cfg_ini->tsf_ptp_options & CFG_SET_TSF_PTP_OPT_RAW) == \ |
| CFG_SET_TSF_PTP_OPT_RAW)) |
| |
| #define HDD_TSF_IS_DBG_FS_SET(hdd_ctx) \ |
| ((hdd_ctx) && (hdd_ctx)->cfg_ini && \ |
| (((hdd_ctx)->cfg_ini->tsf_ptp_options & CFG_SET_TSF_DBG_FS) == \ |
| CFG_SET_TSF_DBG_FS)) |
| |
| /** |
| * hdd_start_tsf_sync() - start tsf sync |
| * @adapter: pointer to adapter |
| * |
| * This function initialize and start TSF synchronization |
| * |
| * Return: Describe the execute result of this routine |
| */ |
| int hdd_start_tsf_sync(hdd_adapter_t *adapter); |
| |
| /** |
| * hdd_stop_tsf_sync() - stop tsf sync |
| * @adapter: pointer to adapter |
| * |
| * This function stop and de-initialize TSF synchronization |
| * |
| * Return: Describe the execute result of this routine |
| */ |
| int hdd_stop_tsf_sync(hdd_adapter_t *adapter); |
| |
| /** |
| * hdd_tsf_notify_wlan_state_change() - |
| * notify tsf module of wlan connection state |
| * @old_state: old wlan state |
| * @new_state: new wlan state |
| * |
| * This function check the old and new connection state, determine whether |
| * to start or stop tsf sync |
| * |
| * Return: nothing |
| */ |
| void hdd_tsf_notify_wlan_state_change(hdd_adapter_t *adapter, |
| eConnectionState old_state, |
| eConnectionState new_state); |
| |
| /** |
| * hdd_tx_timestamp() - time stamp TX netbuf |
| * |
| * @netbuf: pointer to a TX netbuf |
| * @target_time: TX time for the netbuf |
| * |
| * This function get corresponding host time from target time, |
| * and time stamp the TX netbuf with this time |
| * |
| * Return: Describe the execute result of this routine |
| */ |
| int hdd_tx_timestamp(adf_nbuf_t netbuf, uint64_t target_time); |
| |
| /** |
| * hdd_rx_timestamp() - time stamp RX netbuf |
| * |
| * @netbuf: pointer to a RX netbuf |
| * @target_time: RX time for the netbuf |
| * |
| * This function get corresponding host time from target time, |
| * and time stamp the RX netbuf with this time |
| * |
| * Return: Describe the execute result of this routine |
| */ |
| int hdd_rx_timestamp(adf_nbuf_t netbuf, uint64_t target_time); |
| |
| /** |
| * hdd_tsf_record_sk_for_skb() - save sk for skb |
| * |
| * @hdd_ctx: pointer to hdd context |
| * @nbuf: pointer to a TX netbuf |
| * |
| * This function record netbuf->sk in netbuf->tstamp, |
| * in case netbuf->sk will be set to NULL. |
| * |
| * Return: nothing |
| */ |
| void |
| hdd_tsf_record_sk_for_skb(hdd_context_t *hdd_ctx, adf_nbuf_t nbuf); |
| #else |
| static inline int hdd_start_tsf_sync(hdd_adapter_t *adapter) |
| { |
| return -ENOTSUPP; |
| } |
| |
| static inline int hdd_stop_tsf_sync(hdd_adapter_t *adapter) |
| { |
| return -ENOTSUPP; |
| } |
| |
| static inline |
| void hdd_tsf_notify_wlan_state_change(hdd_adapter_t *adapter, |
| eConnectionState old_state, |
| eConnectionState new_state) |
| { |
| } |
| |
| static inline |
| int hdd_tx_timestamp(adf_nbuf_t netbuf, uint64_t target_time) |
| { |
| return -ENOTSUPP; |
| } |
| |
| static inline |
| int hdd_rx_timestamp(adf_nbuf_t netbuf, uint64_t target_time) |
| { |
| return -ENOTSUPP; |
| } |
| |
| static inline void |
| hdd_tsf_record_sk_for_skb(hdd_context_t *hdd_ctx, adf_nbuf_t nbuf) |
| { |
| } |
| #endif |
| |
| #endif |
