/*
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* This file is part of wl18xx
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*
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* Copyright (C) 2012 Texas Instruments. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef __WL18XX_SCAN_H__
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#define __WL18XX_SCAN_H__
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#include "../wlcore/wlcore.h"
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#include "../wlcore/cmd.h"
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#include "../wlcore/scan.h"
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struct tracking_ch_params {
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struct conn_scan_ch_params channel;
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__le32 bssid_lsb;
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__le16 bssid_msb;
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u8 padding[2];
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} __packed;
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/* probe request rate */
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enum
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{
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WL18XX_SCAN_RATE_1 = 0,
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WL18XX_SCAN_RATE_5_5 = 1,
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WL18XX_SCAN_RATE_6 = 2,
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};
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#define WL18XX_MAX_CHANNELS_5GHZ 32
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struct wl18xx_cmd_scan_params {
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struct wl1271_cmd_header header;
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u8 role_id;
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u8 scan_type;
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s8 rssi_threshold; /* for filtering (in dBm) */
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s8 snr_threshold; /* for filtering (in dB) */
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u8 bss_type; /* for filtering */
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u8 ssid_from_list; /* use ssid from configured ssid list */
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u8 filter; /* forward only results with matching ssids */
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/*
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* add broadcast ssid in addition to the configured ssids.
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* the driver should add dummy entry for it (?).
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*/
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u8 add_broadcast;
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u8 urgency;
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u8 protect; /* ??? */
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u8 n_probe_reqs; /* Number of probes requests per channel */
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u8 terminate_after; /* early terminate scan operation */
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u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
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u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */
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u8 dfs; /* number of dfs channels in 5ghz */
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u8 passive_active; /* number of passive before active channels 2.4ghz */
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__le16 short_cycles_msec;
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__le16 long_cycles_msec;
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u8 short_cycles_count;
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u8 total_cycles; /* 0 - infinite */
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u8 padding[2];
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union {
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struct {
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struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
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struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ];
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struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
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};
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struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS];
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} ;
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u8 ssid[IEEE80211_MAX_SSID_LEN];
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u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */
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u8 tag;
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u8 rate;
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/* send SCAN_REPORT_EVENT in periodic scans after each cycle
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* if number of results >= report_threshold. Must be 0 for
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* non periodic scans
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*/
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u8 report_threshold;
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/* Should periodic scan stop after a report event was created.
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* Must be 0 for non periodic scans.
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*/
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u8 terminate_on_report;
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u8 padding1[3];
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} __packed;
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struct wl18xx_cmd_scan_stop {
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struct wl1271_cmd_header header;
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u8 role_id;
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u8 scan_type;
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u8 padding[2];
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} __packed;
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int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
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struct cfg80211_scan_request *req);
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int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
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void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
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int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
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struct cfg80211_sched_scan_request *req,
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struct ieee80211_scan_ies *ies);
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void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
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#endif
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