| Luciano Coelho | 34dd2aa | 2010-07-08 17:50:06 +0300 | [diff] [blame^] | 1 | /* |
| 2 | * This file is part of wl1271 |
| 3 | * |
| 4 | * Copyright (C) 2009-2010 Nokia Corporation |
| 5 | * |
| 6 | * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License |
| 10 | * version 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, but |
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 20 | * 02110-1301 USA |
| 21 | * |
| 22 | */ |
| 23 | |
| 24 | #ifndef __WL1271_SCAN_H__ |
| 25 | #define __WL1271_SCAN_H__ |
| 26 | |
| 27 | #include "wl1271.h" |
| 28 | |
| 29 | int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, |
| 30 | struct cfg80211_scan_request *req, u8 active_scan, |
| 31 | u8 high_prio, u8 band, u8 probe_requests); |
| 32 | int 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); |
| 35 | int wl1271_scan_complete(struct wl1271 *wl); |
| 36 | |
| 37 | #define WL1271_SCAN_MAX_CHANNELS 24 |
| 38 | #define WL1271_SCAN_DEFAULT_TAG 1 |
| 39 | #define WL1271_SCAN_CURRENT_TX_PWR 0 |
| 40 | #define WL1271_SCAN_OPT_ACTIVE 0 |
| 41 | #define WL1271_SCAN_OPT_PASSIVE 1 |
| 42 | #define WL1271_SCAN_OPT_PRIORITY_HIGH 4 |
| 43 | #define WL1271_SCAN_CHAN_MIN_DURATION 30000 /* TU */ |
| 44 | #define WL1271_SCAN_CHAN_MAX_DURATION 60000 /* TU */ |
| 45 | #define WL1271_SCAN_BAND_2_4_GHZ 0 |
| 46 | #define WL1271_SCAN_BAND_5_GHZ 1 |
| 47 | #define WL1271_SCAN_BAND_DUAL 2 |
| 48 | |
| 49 | struct basic_scan_params { |
| 50 | __le32 rx_config_options; |
| 51 | __le32 rx_filter_options; |
| 52 | /* Scan option flags (WL1271_SCAN_OPT_*) */ |
| 53 | __le16 scan_options; |
| 54 | /* Number of scan channels in the list (maximum 30) */ |
| 55 | u8 num_channels; |
| 56 | /* This field indicates the number of probe requests to send |
| 57 | per channel for an active scan */ |
| 58 | u8 num_probe_requests; |
| 59 | /* Rate bit field for sending the probes */ |
| 60 | __le32 tx_rate; |
| 61 | u8 tid_trigger; |
| 62 | u8 ssid_len; |
| 63 | /* in order to align */ |
| 64 | u8 padding1[2]; |
| 65 | u8 ssid[IW_ESSID_MAX_SIZE]; |
| 66 | /* Band to scan */ |
| 67 | u8 band; |
| 68 | u8 use_ssid_list; |
| 69 | u8 scan_tag; |
| 70 | u8 padding2; |
| 71 | } __attribute__ ((packed)); |
| 72 | |
| 73 | struct basic_scan_channel_params { |
| 74 | /* Duration in TU to wait for frames on a channel for active scan */ |
| 75 | __le32 min_duration; |
| 76 | __le32 max_duration; |
| 77 | __le32 bssid_lsb; |
| 78 | __le16 bssid_msb; |
| 79 | u8 early_termination; |
| 80 | u8 tx_power_att; |
| 81 | u8 channel; |
| 82 | /* FW internal use only! */ |
| 83 | u8 dfs_candidate; |
| 84 | u8 activity_detected; |
| 85 | u8 pad; |
| 86 | } __attribute__ ((packed)); |
| 87 | |
| 88 | struct wl1271_cmd_scan { |
| 89 | struct wl1271_cmd_header header; |
| 90 | |
| 91 | struct basic_scan_params params; |
| 92 | struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; |
| 93 | } __attribute__ ((packed)); |
| 94 | |
| 95 | struct wl1271_cmd_trigger_scan_to { |
| 96 | struct wl1271_cmd_header header; |
| 97 | |
| 98 | __le32 timeout; |
| 99 | } __attribute__ ((packed)); |
| 100 | |
| 101 | #endif /* __WL1271_SCAN_H__ */ |