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