1 /* 2 * This file is part of wl18xx 3 * 4 * Copyright (C) 2012 Texas Instruments. All rights reserved. 5 * 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. 9 * 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. 14 * 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 18 * 02110-1301 USA 19 * 20 */ 21 22 #ifndef __WL18XX_SCAN_H__ 23 #define __WL18XX_SCAN_H__ 24 25 #include "../wlcore/wlcore.h" 26 #include "../wlcore/cmd.h" 27 #include "../wlcore/scan.h" 28 29 struct tracking_ch_params { 30 struct conn_scan_ch_params channel; 31 32 __le32 bssid_lsb; 33 __le16 bssid_msb; 34 35 u8 padding[2]; 36 } __packed; 37 38 /* probe request rate */ 39 enum 40 { 41 WL18XX_SCAN_RATE_1 = 0, 42 WL18XX_SCAN_RATE_5_5 = 1, 43 WL18XX_SCAN_RATE_6 = 2, 44 }; 45 46 #define WL18XX_MAX_CHANNELS_5GHZ 32 47 48 struct wl18xx_cmd_scan_params { 49 struct wl1271_cmd_header header; 50 51 u8 role_id; 52 u8 scan_type; 53 54 s8 rssi_threshold; /* for filtering (in dBm) */ 55 s8 snr_threshold; /* for filtering (in dB) */ 56 57 u8 bss_type; /* for filtering */ 58 u8 ssid_from_list; /* use ssid from configured ssid list */ 59 u8 filter; /* forward only results with matching ssids */ 60 61 /* 62 * add broadcast ssid in addition to the configured ssids. 63 * the driver should add dummy entry for it (?). 64 */ 65 u8 add_broadcast; 66 67 u8 urgency; 68 u8 protect; /* ??? */ 69 u8 n_probe_reqs; /* Number of probes requests per channel */ 70 u8 terminate_after; /* early terminate scan operation */ 71 72 u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */ 73 u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */ 74 u8 dfs; /* number of dfs channels in 5ghz */ 75 u8 passive_active; /* number of passive before active channels 2.4ghz */ 76 77 __le16 short_cycles_msec; 78 __le16 long_cycles_msec; 79 u8 short_cycles_count; 80 u8 total_cycles; /* 0 - infinite */ 81 u8 padding[2]; 82 83 union { 84 struct { 85 struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; 86 struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ]; 87 struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; 88 }; 89 struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS]; 90 } ; 91 92 u8 ssid[IEEE80211_MAX_SSID_LEN]; 93 u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */ 94 u8 tag; 95 u8 rate; 96 97 /* send SCAN_REPORT_EVENT in periodic scans after each cycle 98 * if number of results >= report_threshold. Must be 0 for 99 * non periodic scans 100 */ 101 u8 report_threshold; 102 103 /* Should periodic scan stop after a report event was created. 104 * Must be 0 for non periodic scans. 105 */ 106 u8 terminate_on_report; 107 108 u8 padding1[3]; 109 } __packed; 110 111 struct wl18xx_cmd_scan_stop { 112 struct wl1271_cmd_header header; 113 114 u8 role_id; 115 u8 scan_type; 116 u8 padding[2]; 117 } __packed; 118 119 int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, 120 struct cfg80211_scan_request *req); 121 int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); 122 void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif); 123 int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, 124 struct cfg80211_sched_scan_request *req, 125 struct ieee80211_scan_ies *ies); 126 void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); 127 #endif 128