1/* 2 * This file is part of wl12xx 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 __WL12XX_SCAN_H__ 23#define __WL12XX_SCAN_H__ 24 25#include "../wlcore/wlcore.h" 26#include "../wlcore/cmd.h" 27#include "../wlcore/scan.h" 28 29#define WL12XX_MAX_CHANNELS_5GHZ 23 30 31struct basic_scan_params { 32 /* Scan option flags (WL1271_SCAN_OPT_*) */ 33 __le16 scan_options; 34 u8 role_id; 35 /* Number of scan channels in the list (maximum 30) */ 36 u8 n_ch; 37 /* This field indicates the number of probe requests to send 38 per channel for an active scan */ 39 u8 n_probe_reqs; 40 u8 tid_trigger; 41 u8 ssid_len; 42 u8 use_ssid_list; 43 44 /* Rate bit field for sending the probes */ 45 __le32 tx_rate; 46 47 u8 ssid[IEEE80211_MAX_SSID_LEN]; 48 /* Band to scan */ 49 u8 band; 50 51 u8 scan_tag; 52 u8 padding2[2]; 53} __packed; 54 55struct basic_scan_channel_params { 56 /* Duration in TU to wait for frames on a channel for active scan */ 57 __le32 min_duration; 58 __le32 max_duration; 59 __le32 bssid_lsb; 60 __le16 bssid_msb; 61 u8 early_termination; 62 u8 tx_power_att; 63 u8 channel; 64 /* FW internal use only! */ 65 u8 dfs_candidate; 66 u8 activity_detected; 67 u8 pad; 68} __packed; 69 70struct wl1271_cmd_scan { 71 struct wl1271_cmd_header header; 72 73 struct basic_scan_params params; 74 struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; 75 76 /* src mac address */ 77 u8 addr[ETH_ALEN]; 78 u8 padding[2]; 79} __packed; 80 81struct wl1271_cmd_sched_scan_config { 82 struct wl1271_cmd_header header; 83 84 __le32 intervals[SCAN_MAX_CYCLE_INTERVALS]; 85 86 s8 rssi_threshold; /* for filtering (in dBm) */ 87 s8 snr_threshold; /* for filtering (in dB) */ 88 89 u8 cycles; /* maximum number of scan cycles */ 90 u8 report_after; /* report when this number of results are received */ 91 u8 terminate; /* stop scanning after reporting */ 92 93 u8 tag; 94 u8 bss_type; /* for filtering */ 95 u8 filter_type; 96 97 u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */ 98 u8 ssid[IEEE80211_MAX_SSID_LEN]; 99 100 u8 n_probe_reqs; /* Number of probes requests per channel */ 101 102 u8 passive[SCAN_MAX_BANDS]; 103 u8 active[SCAN_MAX_BANDS]; 104 105 u8 dfs; 106 107 u8 n_pactive_ch; /* number of pactive (passive until fw detects energy) 108 channels in BG band */ 109 u8 role_id; 110 u8 padding[1]; 111 struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; 112 struct conn_scan_ch_params channels_5[WL12XX_MAX_CHANNELS_5GHZ]; 113 struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; 114} __packed; 115 116struct wl1271_cmd_sched_scan_start { 117 struct wl1271_cmd_header header; 118 119 u8 tag; 120 u8 role_id; 121 u8 padding[2]; 122} __packed; 123 124struct wl1271_cmd_sched_scan_stop { 125 struct wl1271_cmd_header header; 126 127 u8 tag; 128 u8 role_id; 129 u8 padding[2]; 130} __packed; 131 132int wl12xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, 133 struct cfg80211_scan_request *req); 134int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); 135void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif); 136int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif, 137 struct cfg80211_sched_scan_request *req, 138 struct ieee80211_scan_ies *ies); 139void wl12xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); 140#endif 141