diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/scan.h')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/scan.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wlcore/scan.h b/drivers/net/wireless/ti/wlcore/scan.h new file mode 100644 index 000000000000..81ee36ac2078 --- /dev/null +++ b/drivers/net/wireless/ti/wlcore/scan.h @@ -0,0 +1,233 @@ +/* + * 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 __SCAN_H__ +#define __SCAN_H__ + +#include "wlcore.h" + +int wl1271_scan(struct wl1271 *wl, struct ieee80211_vif *vif, + const u8 *ssid, size_t ssid_len, + struct cfg80211_scan_request *req); +int wl1271_scan_stop(struct wl1271 *wl); +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, struct ieee80211_vif *vif); +void wl1271_scan_complete_work(struct work_struct *work); +int wl1271_scan_sched_scan_config(struct wl1271 *wl, + struct wl12xx_vif *wlvif, + struct cfg80211_sched_scan_request *req, + struct ieee80211_sched_scan_ies *ies); +int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif); +void wl1271_scan_sched_scan_stop(struct wl1271 *wl); +void wl1271_scan_sched_scan_results(struct wl1271 *wl); + +#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_SPLIT_SCAN 2 +#define WL1271_SCAN_OPT_PRIORITY_HIGH 4 +/* scan even if we fail to enter psm */ +#define WL1271_SCAN_OPT_FORCE 8 +#define WL1271_SCAN_BAND_2_4_GHZ 0 +#define WL1271_SCAN_BAND_5_GHZ 1 + +#define WL1271_SCAN_TIMEOUT 30000 /* 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 { + /* Scan option flags (WL1271_SCAN_OPT_*) */ + __le16 scan_options; + u8 role_id; + /* 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; + u8 tid_trigger; + u8 ssid_len; + u8 use_ssid_list; + + /* Rate bit field for sending the probes */ + __le32 tx_rate; + + u8 ssid[IEEE80211_MAX_SSID_LEN]; + /* Band to scan */ + u8 band; + + u8 scan_tag; + u8 padding2[2]; +} __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]; + + /* src mac address */ + u8 addr[ETH_ALEN]; + u8 padding[2]; +} __packed; + +struct wl1271_cmd_trigger_scan_to { + struct wl1271_cmd_header header; + + __le32 timeout; +} __packed; + +#define MAX_CHANNELS_2GHZ 14 +#define MAX_CHANNELS_5GHZ 23 +#define MAX_CHANNELS_4GHZ 4 + +#define SCAN_MAX_CYCLE_INTERVALS 16 +#define SCAN_MAX_BANDS 3 + +enum { + SCAN_SSID_FILTER_ANY = 0, + SCAN_SSID_FILTER_SPECIFIC = 1, + SCAN_SSID_FILTER_LIST = 2, + SCAN_SSID_FILTER_DISABLED = 3 +}; + +enum { + SCAN_BSS_TYPE_INDEPENDENT, + SCAN_BSS_TYPE_INFRASTRUCTURE, + SCAN_BSS_TYPE_ANY, +}; + +#define SCAN_CHANNEL_FLAGS_DFS BIT(0) +#define SCAN_CHANNEL_FLAGS_DFS_ENABLED BIT(1) + +struct conn_scan_ch_params { + __le16 min_duration; + __le16 max_duration; + __le16 passive_duration; + + u8 channel; + u8 tx_power_att; + + /* bit 0: DFS channel; bit 1: DFS enabled */ + u8 flags; + + u8 padding[3]; +} __packed; + +struct wl1271_cmd_sched_scan_config { + struct wl1271_cmd_header header; + + __le32 intervals[SCAN_MAX_CYCLE_INTERVALS]; + + s8 rssi_threshold; /* for filtering (in dBm) */ + s8 snr_threshold; /* for filtering (in dB) */ + + u8 cycles; /* maximum number of scan cycles */ + u8 report_after; /* report when this number of results are received */ + u8 terminate; /* stop scanning after reporting */ + + u8 tag; + u8 bss_type; /* for filtering */ + u8 filter_type; + + u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */ + u8 ssid[IEEE80211_MAX_SSID_LEN]; + + u8 n_probe_reqs; /* Number of probes requests per channel */ + + u8 passive[SCAN_MAX_BANDS]; + u8 active[SCAN_MAX_BANDS]; + + u8 dfs; + + u8 padding[3]; + + struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; + struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ]; + struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ]; +} __packed; + + +#define SCHED_SCAN_MAX_SSIDS 16 + +enum { + SCAN_SSID_TYPE_PUBLIC = 0, + SCAN_SSID_TYPE_HIDDEN = 1, +}; + +struct wl1271_ssid { + u8 type; + u8 len; + u8 ssid[IEEE80211_MAX_SSID_LEN]; + /* u8 padding[2]; */ +} __packed; + +struct wl1271_cmd_sched_scan_ssid_list { + struct wl1271_cmd_header header; + + u8 n_ssids; + struct wl1271_ssid ssids[SCHED_SCAN_MAX_SSIDS]; + u8 padding[3]; +} __packed; + +struct wl1271_cmd_sched_scan_start { + struct wl1271_cmd_header header; + + u8 tag; + u8 padding[3]; +} __packed; + +struct wl1271_cmd_sched_scan_stop { + struct wl1271_cmd_header header; + + u8 tag; + u8 padding[3]; +} __packed; + + +#endif /* __WL1271_SCAN_H__ */ |