1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * This file is part of wl12xx
4 *
5 * Copyright (C) 2012 Texas Instruments. All rights reserved.
6 */
7
8#ifndef __WL12XX_SCAN_H__
9#define __WL12XX_SCAN_H__
10
11#include "../wlcore/wlcore.h"
12#include "../wlcore/cmd.h"
13#include "../wlcore/scan.h"
14
15#define WL12XX_MAX_CHANNELS_5GHZ 23
16
17struct basic_scan_params {
18 /* Scan option flags (WL1271_SCAN_OPT_*) */
19 __le16 scan_options;
20 u8 role_id;
21 /* Number of scan channels in the list (maximum 30) */
22 u8 n_ch;
23 /* This field indicates the number of probe requests to send
24 per channel for an active scan */
25 u8 n_probe_reqs;
26 u8 tid_trigger;
27 u8 ssid_len;
28 u8 use_ssid_list;
29
30 /* Rate bit field for sending the probes */
31 __le32 tx_rate;
32
33 u8 ssid[IEEE80211_MAX_SSID_LEN];
34 /* Band to scan */
35 u8 band;
36
37 u8 scan_tag;
38 u8 padding2[2];
39} __packed;
40
41struct basic_scan_channel_params {
42 /* Duration in TU to wait for frames on a channel for active scan */
43 __le32 min_duration;
44 __le32 max_duration;
45 __le32 bssid_lsb;
46 __le16 bssid_msb;
47 u8 early_termination;
48 u8 tx_power_att;
49 u8 channel;
50 /* FW internal use only! */
51 u8 dfs_candidate;
52 u8 activity_detected;
53 u8 pad;
54} __packed;
55
56struct wl1271_cmd_scan {
57 struct wl1271_cmd_header header;
58
59 struct basic_scan_params params;
60 struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS];
61
62 /* src mac address */
63 u8 addr[ETH_ALEN];
64 u8 padding[2];
65} __packed;
66
67struct wl1271_cmd_sched_scan_config {
68 struct wl1271_cmd_header header;
69
70 __le32 intervals[SCAN_MAX_CYCLE_INTERVALS];
71
72 s8 rssi_threshold; /* for filtering (in dBm) */
73 s8 snr_threshold; /* for filtering (in dB) */
74
75 u8 cycles; /* maximum number of scan cycles */
76 u8 report_after; /* report when this number of results are received */
77 u8 terminate; /* stop scanning after reporting */
78
79 u8 tag;
80 u8 bss_type; /* for filtering */
81 u8 filter_type;
82
83 u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */
84 u8 ssid[IEEE80211_MAX_SSID_LEN];
85
86 u8 n_probe_reqs; /* Number of probes requests per channel */
87
88 u8 passive[SCAN_MAX_BANDS];
89 u8 active[SCAN_MAX_BANDS];
90
91 u8 dfs;
92
93 u8 n_pactive_ch; /* number of pactive (passive until fw detects energy)
94 channels in BG band */
95 u8 role_id;
96 u8 padding[1];
97 struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
98 struct conn_scan_ch_params channels_5[WL12XX_MAX_CHANNELS_5GHZ];
99 struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
100} __packed;
101
102struct wl1271_cmd_sched_scan_start {
103 struct wl1271_cmd_header header;
104
105 u8 tag;
106 u8 role_id;
107 u8 padding[2];
108} __packed;
109
110struct wl1271_cmd_sched_scan_stop {
111 struct wl1271_cmd_header header;
112
113 u8 tag;
114 u8 role_id;
115 u8 padding[2];
116} __packed;
117
118int wl12xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
119 struct cfg80211_scan_request *req);
120int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
121void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
122int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
123 struct cfg80211_sched_scan_request *req,
124 struct ieee80211_scan_ies *ies);
125void wl12xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
126#endif
127

source code of linux/drivers/net/wireless/ti/wl12xx/scan.h