1 /*
2 * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved..
3 *
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
7 *
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 /**
18 * DOC: wlan_hdd_sysfs_add_timestamp.h
19 *
20 * Implementation for creating sysfs files:
21 *
22 * dp_pkt_add_ts
23 */
24
25 #ifndef _WLAN_HDD_SYSFS_DP_PKT_ADD_TIMESTAMP_H
26 #define _WLAN_HDD_SYSFS_DP_PKT_ADD_TIMESTAMP_H
27
28 #include <qdf_pkt_add_timestamp.h>
29
30 #if defined(WLAN_SYSFS) && defined(CONFIG_DP_PKT_ADD_TIMESTAMP)
31
32 /**
33 * hdd_sysfs_dp_pkt_add_ts_create() - API to create dp trace related files
34 * @driver_kobject: sysfs driver kobject
35 *
36 * file path: /sys/kernel/wifi/dp_pkt_add_ts
37 *
38 * usage:
39 * <protocol>:<destination port>:<offset in data>
40 * echo "TCP:5210:50,UDP:5110:50" > dp_pkt_add_ts (add protocol)
41 * echo "" > dp_pkt_add_ts (clear protocol)
42 *
43 * Return: 0 on success and errno on failure
44 */
45 int hdd_sysfs_dp_pkt_add_ts_create(struct kobject *driver_kobject);
46
47 /**
48 * hdd_sysfs_dp_pkt_add_ts_destroy() - API to destroy dp trace related files
49 * @driver_kobject: sysfs driver kobject
50 *
51 * Return: none
52 */
53 void
54 hdd_sysfs_dp_pkt_add_ts_destroy(struct kobject *driver_kobject);
55 #else
56 static inline int
hdd_sysfs_dp_pkt_add_ts_create(struct kobject * driver_kobject)57 hdd_sysfs_dp_pkt_add_ts_create(struct kobject *driver_kobject)
58 {
59 return 0;
60 }
61
62 static inline void
hdd_sysfs_dp_pkt_add_ts_destroy(struct kobject * driver_kobject)63 hdd_sysfs_dp_pkt_add_ts_destroy(struct kobject *driver_kobject)
64 {
65 }
66 #endif
67 #endif /* #ifndef _WLAN_HDD_SYSFS_DP_PKT_ADD_TIMESTAMP_H */
68