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/*
* This file is part of wl18xx
*
* Copyright (C) 2012 Texas Instruments. All rights reserved.
*
* 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 __WL18XX_SCAN_H__
#define __WL18XX_SCAN_H__
#include "../wlcore/wlcore.h"
#include "../wlcore/cmd.h"
#include "../wlcore/scan.h"
struct tracking_ch_params {
struct conn_scan_ch_params channel;
__le32 bssid_lsb;
__le16 bssid_msb;
u8 padding[2];
} __packed;
/* probe request rate */
enum
{
WL18XX_SCAN_RATE_1 = 0,
WL18XX_SCAN_RATE_5_5 = 1,
WL18XX_SCAN_RATE_6 = 2,
};
#define WL18XX_MAX_CHANNELS_5GHZ 32
struct wl18xx_cmd_scan_params {
struct wl1271_cmd_header header;
u8 role_id;
u8 scan_type;
s8 rssi_threshold; /* for filtering (in dBm) */
s8 snr_threshold; /* for filtering (in dB) */
u8 bss_type; /* for filtering */
u8 ssid_from_list; /* use ssid from configured ssid list */
u8 filter; /* forward only results with matching ssids */
/*
* add broadcast ssid in addition to the configured ssids.
* the driver should add dummy entry for it (?).
*/
u8 add_broadcast;
u8 urgency;
u8 protect; /* ??? */
u8 n_probe_reqs; /* Number of probes requests per channel */
u8 terminate_after; /* early terminate scan operation */
u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */
u8 dfs; /* number of dfs channels in 5ghz */
u8 passive_active; /* number of passive before active channels 2.4ghz */
__le16 short_cycles_sec;
__le16 long_cycles_sec;
u8 short_cycles_count;
u8 total_cycles; /* 0 - infinite */
u8 padding[2];
union {
struct {
struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ];
struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
};
struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS];
} ;
u8 ssid[IEEE80211_MAX_SSID_LEN];
u8 ssid_len; /* For SCAN_SSID_FILTER_SPECIFIC */
u8 tag;
u8 rate;
/* send SCAN_REPORT_EVENT in periodic scans after each cycle
* if number of results >= report_threshold. Must be 0 for
* non periodic scans
*/
u8 report_threshold;
/* Should periodic scan stop after a report event was created.
* Must be 0 for non periodic scans.
*/
u8 terminate_on_report;
u8 padding1[3];
} __packed;
struct wl18xx_cmd_scan_stop {
struct wl1271_cmd_header header;
u8 role_id;
u8 scan_type;
u8 padding[2];
} __packed;
int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_scan_request *req);
int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
struct cfg80211_sched_scan_request *req,
struct ieee80211_sched_scan_ies *ies);
void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
#endif
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