1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * This file is part of wl18xx
4 *
5 * Copyright (C) 2012 Texas Instruments. All rights reserved.
6 */
7
8#ifndef __WL18XX_SCAN_H__
9#define __WL18XX_SCAN_H__
10
11#include "../wlcore/wlcore.h"
12#include "../wlcore/cmd.h"
13#include "../wlcore/scan.h"
14
15struct tracking_ch_params {
16 struct conn_scan_ch_params channel;
17
18 __le32 bssid_lsb;
19 __le16 bssid_msb;
20
21 u8 padding[2];
22} __packed;
23
24/* probe request rate */
25enum
26{
27 WL18XX_SCAN_RATE_1 = 0,
28 WL18XX_SCAN_RATE_5_5 = 1,
29 WL18XX_SCAN_RATE_6 = 2,
30};
31
32#define WL18XX_MAX_CHANNELS_5GHZ 32
33
34struct wl18xx_cmd_scan_params {
35 struct wl1271_cmd_header header;
36
37 u8 role_id;
38 u8 scan_type;
39
40 s8 rssi_threshold; /* for filtering (in dBm) */
41 s8 snr_threshold; /* for filtering (in dB) */
42
43 u8 bss_type; /* for filtering */
44 u8 ssid_from_list; /* use ssid from configured ssid list */
45 u8 filter; /* forward only results with matching ssids */
46
47 /*
48 * add broadcast ssid in addition to the configured ssids.
49 * the driver should add dummy entry for it (?).
50 */
51 u8 add_broadcast;
52
53 u8 urgency;
54 u8 protect; /* ??? */
55 u8 n_probe_reqs; /* Number of probes requests per channel */
56 u8 terminate_after; /* early terminate scan operation */
57
58 u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
59 u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */
60 u8 dfs; /* number of dfs channels in 5ghz */
61 u8 passive_active; /* number of passive before active channels 2.4ghz */
62
63 __le16 short_cycles_msec;
64 __le16 long_cycles_msec;
65 u8 short_cycles_count;
66 u8 total_cycles; /* 0 - infinite */
67 u8 padding[2];
68
69 union {
70 struct {
71 struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
72 struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ];
73 struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
74 };
75 struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS];
76 } ;
77
78 u8 ssid[IEEE80211_MAX_SSID_LEN];
79 u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */
80 u8 tag;
81 u8 rate;
82
83 /* send SCAN_REPORT_EVENT in periodic scans after each cycle
84 * if number of results >= report_threshold. Must be 0 for
85 * non periodic scans
86 */
87 u8 report_threshold;
88
89 /* Should periodic scan stop after a report event was created.
90 * Must be 0 for non periodic scans.
91 */
92 u8 terminate_on_report;
93
94 u8 padding1[3];
95} __packed;
96
97struct wl18xx_cmd_scan_stop {
98 struct wl1271_cmd_header header;
99
100 u8 role_id;
101 u8 scan_type;
102 u8 padding[2];
103} __packed;
104
105int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
106 struct cfg80211_scan_request *req);
107int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
108void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
109int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
110 struct cfg80211_sched_scan_request *req,
111 struct ieee80211_scan_ies *ies);
112void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
113#endif
114

source code of linux/drivers/net/wireless/ti/wl18xx/scan.h