drivers/net/wireless/ti/wl18xx/scan.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * This file is part of wl18xx
   4  *
   5  * Copyright (C) 2012 Texas Instruments. All rights reserved.
   6  */
   7
   8 #ifndef __WL18XX_SCAN_H__
   9 #define __WL18XX_SCAN_H__
  10
  11 #include "../wlcore/wlcore.h"
  12 #include "../wlcore/cmd.h"
  13 #include "../wlcore/scan.h"
  14
  15 struct tracking_ch_params {
  16         struct conn_scan_ch_params channel;
  17
  18         __le32 bssid_lsb;
  19         __le16 bssid_msb;
  20
  21         u8 padding[2];
  22 } __packed;
  23
  24 /* probe request rate */
  25 enum
  26 {
  27         WL18XX_SCAN_RATE_1      = 0,
  28         WL18XX_SCAN_RATE_5_5    = 1,
  29         WL18XX_SCAN_RATE_6      = 2,
  30 };
  31
  32 #define WL18XX_MAX_CHANNELS_5GHZ 32
  33
  34 struct wl18xx_cmd_scan_params {
  35         struct wl1271_cmd_header header;
  36
  37         u8 role_id;
  38         u8 scan_type;
  39
  40         s8 rssi_threshold; /* for filtering (in dBm) */
  41         s8 snr_threshold;  /* for filtering (in dB) */
  42
  43         u8 bss_type;       /* for filtering */
  44         u8 ssid_from_list; /* use ssid from configured ssid list */
  45         u8 filter;         /* forward only results with matching ssids */
  46
  47         /*
  48          * add broadcast ssid in addition to the configured ssids.
  49          * the driver should add dummy entry for it (?).
  50          */
  51         u8 add_broadcast;
  52
  53         u8 urgency;
  54         u8 protect;      /* ??? */
  55         u8 n_probe_reqs;    /* Number of probes requests per channel */
  56         u8 terminate_after; /* early terminate scan operation */
  57
  58         u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
  59         u8 active[SCAN_MAX_BANDS];  /* number of active scan channels */
  60         u8 dfs;            /* number of dfs channels in 5ghz */
  61         u8 passive_active; /* number of passive before active channels 2.4ghz */
  62
  63         __le16 short_cycles_msec;
  64         __le16 long_cycles_msec;
  65         u8 short_cycles_count;
  66         u8 total_cycles; /* 0 - infinite */
  67         u8 padding[2];
  68
  69         union {
  70                 struct {
  71                         struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
  72                         struct conn_scan_ch_params channels_5[WL18XX_MAX_CHANNELS_5GHZ];
  73                         struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
  74                 };
  75                 struct tracking_ch_params channels_tracking[WL1271_SCAN_MAX_CHANNELS];
  76         } ;
  77
  78         u8 ssid[IEEE80211_MAX_SSID_LEN];
  79         u8 ssid_len;     /* For SCAN_SSID_FILTER_SPECIFIC */
  80         u8 tag;
  81         u8 rate;
  82
  83         /* send SCAN_REPORT_EVENT in periodic scans after each cycle
  84         * if number of results >= report_threshold. Must be 0 for
  85         * non periodic scans
  86         */
  87         u8 report_threshold;
  88
  89         /* Should periodic scan stop after a report event was created.
  90         * Must be 0 for non periodic scans.
  91         */
  92         u8 terminate_on_report;
  93
  94         u8 padding1[3];
  95 } __packed;
  96
  97 struct wl18xx_cmd_scan_stop {
  98         struct wl1271_cmd_header header;
  99
 100         u8 role_id;
 101         u8 scan_type;
 102         u8 padding[2];
 103 } __packed;
 104
 105 int wl18xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 106                       struct cfg80211_scan_request *req);
 107 int wl18xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 108 void wl18xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 109 int wl18xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 110                             struct cfg80211_sched_scan_request *req,
 111                             struct ieee80211_scan_ies *ies);
 112 void wl18xx_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 113 #endif