1 /*
2 * Copyright (c) 2012-2018, 2020 The Linux Foundation. All rights reserved.
3 *
4 * Permission to use, copy, modify, and/or distribute this software for
5 * any purpose with or without fee is hereby granted, provided that the
6 * above copyright notice and this permission notice appear in all
7 * copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10 * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11 * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12 * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13 * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14 * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16 * PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #ifndef __WLAN_HDD_RSSI_MONITOR_H
20 #define __WLAN_HDD_RSSI_MONITOR_H
21
22 /**
23 * DOC: wlan_hdd_rssi_monitor_h
24 *
25 * WLAN Host Device Driver RSSI monitoring API specification
26 */
27
28 #ifdef FEATURE_RSSI_MONITOR
29
30 /* QCA_NL80211_VENDOR_SUBCMD_MONITOR_RSSI policy */
31 extern const struct nla_policy moitor_rssi_policy[
32 QCA_WLAN_VENDOR_ATTR_RSSI_MONITORING_MAX + 1];
33
34 /**
35 * wlan_hdd_cfg80211_monitor_rssi() - SSR wrapper to rssi monitoring
36 * @wiphy: wiphy structure pointer
37 * @wdev: Wireless device structure pointer
38 * @data: Pointer to the data received
39 * @data_len: Length of @data
40 *
41 * Return: 0 on success; errno on failure
42 */
43 int
44 wlan_hdd_cfg80211_monitor_rssi(struct wiphy *wiphy, struct wireless_dev *wdev,
45 const void *data, int data_len);
46
47 /**
48 * hdd_rssi_threshold_breached() - rssi breached NL event
49 * @hdd_handle: HDD handle
50 * @data: rssi breached event data
51 *
52 * This function reads the rssi breached event %data and fill in the skb with
53 * NL attributes and send up the NL event.
54 *
55 * Return: none
56 */
57 void hdd_rssi_threshold_breached(hdd_handle_t hdd_handle,
58 struct rssi_breach_event *data);
59
60 #define FEATURE_RSSI_MONITOR_VENDOR_EVENTS \
61 [QCA_NL80211_VENDOR_SUBCMD_MONITOR_RSSI_INDEX] = { \
62 .vendor_id = QCA_NL80211_VENDOR_ID, \
63 .subcmd = QCA_NL80211_VENDOR_SUBCMD_MONITOR_RSSI \
64 },
65
66 #define FEATURE_RSSI_MONITOR_VENDOR_COMMANDS \
67 { \
68 .info.vendor_id = QCA_NL80211_VENDOR_ID, \
69 .info.subcmd = QCA_NL80211_VENDOR_SUBCMD_MONITOR_RSSI, \
70 .flags = WIPHY_VENDOR_CMD_NEED_WDEV | \
71 WIPHY_VENDOR_CMD_NEED_NETDEV | \
72 WIPHY_VENDOR_CMD_NEED_RUNNING, \
73 .doit = wlan_hdd_cfg80211_monitor_rssi, \
74 vendor_command_policy(moitor_rssi_policy, \
75 QCA_WLAN_VENDOR_ATTR_RSSI_MONITORING_MAX) \
76 },
77
78 #else /* FEATURE_RSSI_MONITOR */
79 static inline
hdd_rssi_threshold_breached(hdd_handle_t hdd_handle,struct rssi_breach_event * data)80 void hdd_rssi_threshold_breached(hdd_handle_t hdd_handle,
81 struct rssi_breach_event *data)
82 {
83 }
84
85 #define FEATURE_RSSI_MONITOR_VENDOR_EVENTS
86 #define FEATURE_RSSI_MONITOR_VENDOR_COMMANDS
87 #endif /* FEATURE_RSSI_MONITOR */
88
89 #endif /* __WLAN_HDD_RSSI_MONITOR_H */
90
91