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24#ifndef __SCAN_H__
25#define __SCAN_H__
26
27#include "wlcore.h"
28
29int wlcore_scan(struct wl1271 *wl, struct ieee80211_vif *vif,
30 const u8 *ssid, size_t ssid_len,
31 struct cfg80211_scan_request *req);
32int wl1271_scan_build_probe_req(struct wl1271 *wl,
33 const u8 *ssid, size_t ssid_len,
34 const u8 *ie, size_t ie_len, u8 band);
35void wl1271_scan_stm(struct wl1271 *wl, struct wl12xx_vif *wlvif);
36void wl1271_scan_complete_work(struct work_struct *work);
37int wl1271_scan_sched_scan_config(struct wl1271 *wl,
38 struct wl12xx_vif *wlvif,
39 struct cfg80211_sched_scan_request *req,
40 struct ieee80211_scan_ies *ies);
41int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif);
42void wlcore_scan_sched_scan_results(struct wl1271 *wl);
43
44#define WL1271_SCAN_MAX_CHANNELS 24
45#define WL1271_SCAN_DEFAULT_TAG 1
46#define WL1271_SCAN_CURRENT_TX_PWR 0
47#define WL1271_SCAN_OPT_ACTIVE 0
48#define WL1271_SCAN_OPT_PASSIVE 1
49#define WL1271_SCAN_OPT_SPLIT_SCAN 2
50#define WL1271_SCAN_OPT_PRIORITY_HIGH 4
51
52#define WL1271_SCAN_OPT_FORCE 8
53#define WL1271_SCAN_BAND_2_4_GHZ 0
54#define WL1271_SCAN_BAND_5_GHZ 1
55
56#define WL1271_SCAN_TIMEOUT 30000
57
58enum {
59 WL1271_SCAN_STATE_IDLE,
60 WL1271_SCAN_STATE_2GHZ_ACTIVE,
61 WL1271_SCAN_STATE_2GHZ_PASSIVE,
62 WL1271_SCAN_STATE_5GHZ_ACTIVE,
63 WL1271_SCAN_STATE_5GHZ_PASSIVE,
64 WL1271_SCAN_STATE_DONE
65};
66
67struct wl1271_cmd_trigger_scan_to {
68 struct wl1271_cmd_header header;
69
70 __le32 timeout;
71} __packed;
72
73#define MAX_CHANNELS_2GHZ 14
74#define MAX_CHANNELS_4GHZ 4
75
76
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78
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81
82
83#define MAX_CHANNELS_5GHZ 42
84
85#define SCAN_MAX_CYCLE_INTERVALS 16
86
87
88
89
90
91#define SCAN_MAX_SHORT_INTERVALS (SCAN_MAX_CYCLE_INTERVALS - 2)
92#define SCAN_MAX_BANDS 3
93
94enum {
95 SCAN_SSID_FILTER_ANY = 0,
96 SCAN_SSID_FILTER_SPECIFIC = 1,
97 SCAN_SSID_FILTER_LIST = 2,
98 SCAN_SSID_FILTER_DISABLED = 3
99};
100
101enum {
102 SCAN_BSS_TYPE_INDEPENDENT,
103 SCAN_BSS_TYPE_INFRASTRUCTURE,
104 SCAN_BSS_TYPE_ANY,
105};
106
107#define SCAN_CHANNEL_FLAGS_DFS BIT(0)
108
109#define SCAN_CHANNEL_FLAGS_DFS_ENABLED BIT(1)
110
111struct conn_scan_ch_params {
112 __le16 min_duration;
113 __le16 max_duration;
114 __le16 passive_duration;
115
116 u8 channel;
117 u8 tx_power_att;
118
119
120 u8 flags;
121
122 u8 padding[3];
123} __packed;
124
125#define SCHED_SCAN_MAX_SSIDS 16
126
127enum {
128 SCAN_SSID_TYPE_PUBLIC = 0,
129 SCAN_SSID_TYPE_HIDDEN = 1,
130};
131
132struct wl1271_ssid {
133 u8 type;
134 u8 len;
135 u8 ssid[IEEE80211_MAX_SSID_LEN];
136
137} __packed;
138
139struct wl1271_cmd_sched_scan_ssid_list {
140 struct wl1271_cmd_header header;
141
142 u8 n_ssids;
143 struct wl1271_ssid ssids[SCHED_SCAN_MAX_SSIDS];
144 u8 role_id;
145 u8 padding[2];
146} __packed;
147
148struct wlcore_scan_channels {
149 u8 passive[SCAN_MAX_BANDS];
150 u8 active[SCAN_MAX_BANDS];
151 u8 dfs;
152 u8 passive_active;
153
154 struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
155 struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ];
156 struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
157};
158
159enum {
160 SCAN_TYPE_SEARCH = 0,
161 SCAN_TYPE_PERIODIC = 1,
162 SCAN_TYPE_TRACKING = 2,
163};
164
165bool
166wlcore_set_scan_chan_params(struct wl1271 *wl,
167 struct wlcore_scan_channels *cfg,
168 struct ieee80211_channel *channels[],
169 u32 n_channels,
170 u32 n_ssids,
171 int scan_type);
172
173int
174wlcore_scan_sched_scan_ssid_list(struct wl1271 *wl,
175 struct wl12xx_vif *wlvif,
176 struct cfg80211_sched_scan_request *req);
177
178#endif
179