| /* |
| * This file is part of wl1271 |
| * |
| * Copyright (C) 2009-2010 Nokia Corporation |
| * |
| * Contact: Luciano Coelho <luciano.coelho@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| * 02110-1301 USA |
| * |
| */ |
| |
| #ifndef __WL1271_SCAN_H__ |
| #define __WL1271_SCAN_H__ |
| |
| #include "wl1271.h" |
| |
| int wl1271_scan(struct wl1271 *wl, const u8 *ssid, size_t ssid_len, |
| struct cfg80211_scan_request *req); |
| int wl1271_scan_build_probe_req(struct wl1271 *wl, |
| const u8 *ssid, size_t ssid_len, |
| const u8 *ie, size_t ie_len, u8 band); |
| void wl1271_scan_stm(struct wl1271 *wl); |
| void wl1271_scan_complete_work(struct work_struct *work); |
| |
| #define WL1271_SCAN_MAX_CHANNELS 24 |
| #define WL1271_SCAN_DEFAULT_TAG 1 |
| #define WL1271_SCAN_CURRENT_TX_PWR 0 |
| #define WL1271_SCAN_OPT_ACTIVE 0 |
| #define WL1271_SCAN_OPT_PASSIVE 1 |
| #define WL1271_SCAN_OPT_PRIORITY_HIGH 4 |
| #define WL1271_SCAN_BAND_2_4_GHZ 0 |
| #define WL1271_SCAN_BAND_5_GHZ 1 |
| |
| #define WL1271_SCAN_TIMEOUT 10000 /* msec */ |
| |
| enum { |
| WL1271_SCAN_STATE_IDLE, |
| WL1271_SCAN_STATE_2GHZ_ACTIVE, |
| WL1271_SCAN_STATE_2GHZ_PASSIVE, |
| WL1271_SCAN_STATE_5GHZ_ACTIVE, |
| WL1271_SCAN_STATE_5GHZ_PASSIVE, |
| WL1271_SCAN_STATE_DONE |
| }; |
| |
| struct basic_scan_params { |
| __le32 rx_config_options; |
| __le32 rx_filter_options; |
| /* Scan option flags (WL1271_SCAN_OPT_*) */ |
| __le16 scan_options; |
| /* Number of scan channels in the list (maximum 30) */ |
| u8 n_ch; |
| /* This field indicates the number of probe requests to send |
| per channel for an active scan */ |
| u8 n_probe_reqs; |
| /* Rate bit field for sending the probes */ |
| __le32 tx_rate; |
| u8 tid_trigger; |
| u8 ssid_len; |
| /* in order to align */ |
| u8 padding1[2]; |
| u8 ssid[IW_ESSID_MAX_SIZE]; |
| /* Band to scan */ |
| u8 band; |
| u8 use_ssid_list; |
| u8 scan_tag; |
| u8 padding2; |
| } __packed; |
| |
| struct basic_scan_channel_params { |
| /* Duration in TU to wait for frames on a channel for active scan */ |
| __le32 min_duration; |
| __le32 max_duration; |
| __le32 bssid_lsb; |
| __le16 bssid_msb; |
| u8 early_termination; |
| u8 tx_power_att; |
| u8 channel; |
| /* FW internal use only! */ |
| u8 dfs_candidate; |
| u8 activity_detected; |
| u8 pad; |
| } __packed; |
| |
| struct wl1271_cmd_scan { |
| struct wl1271_cmd_header header; |
| |
| struct basic_scan_params params; |
| struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS]; |
| } __packed; |
| |
| struct wl1271_cmd_trigger_scan_to { |
| struct wl1271_cmd_header header; |
| |
| __le32 timeout; |
| } __packed; |
| |
| #endif /* __WL1271_SCAN_H__ */ |
