2 * This file is part of wl18xx
4 * Copyright (C) 2012 Texas Instruments. All rights reserved.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * version 2 as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
22 #ifndef __WL18XX_SCAN_H__
23 #define __WL18XX_SCAN_H__
25 #include "../wlcore/wlcore.h"
26 #include "../wlcore/cmd.h"
27 #include "../wlcore/scan.h"
29 struct tracking_ch_params {
30 struct conn_scan_ch_params channel;
41 SCAN_TYPE_PERIODIC = 1,
42 SCAN_TYPE_TRACKING = 2,
45 /* probe request rate */
48 WL18XX_SCAN_RATE_1 = 0,
49 WL18XX_SCAN_RATE_5_5 = 1,
50 WL18XX_SCAN_RATE_6 = 2,
53 #define WL18XX_MAX_CHANNELS_5GHZ 32
55 struct wl18xx_cmd_scan_params {
56 struct wl1271_cmd_header header;
61 s8 rssi_threshold; /* for filtering (in dBm) */
62 s8 snr_threshold; /* for filtering (in dB) */
64 u8 bss_type; /* for filtering */
65 u8 ssid_from_list; /* use ssid from configured ssid list */
66 u8 filter; /* forward only results with matching ssids */
69 * add broadcast ssid in addition to the configured ssids.
70 * the driver should add dummy entry for it (?).
76 u8 n_probe_reqs; /* Number of probes requests per channel */
77 u8 terminate_after; /* early terminate scan operation */
79 u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
80 u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */
81 u8 dfs; /* number of dfs channels in 5ghz */
82 u8 passive_active; /* number of passive before active channels 2.4ghz */
84 __le16 short_cycles_sec;
85 __le16 long_cycles_sec;
86 u8 short_cycles_count;
87 u8 total_cycles; /* 0 - infinite */
93 struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
94 struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ];
95 struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
97 struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS];
100 u8 ssid[IEEE80211_MAX_SSID_LEN];
101 u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */
106 struct wl18xx_cmd_scan_stop {
107 struct wl1271_cmd_header header;
114 int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
115 struct cfg80211_scan_request *req);
116 int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
117 void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
118 int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
119 struct cfg80211_sched_scan_request *req,
120 struct ieee80211_sched_scan_ies *ies);
121 void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);