root/drivers/net/wireless/ti/wl12xx/scan.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * This file is part of wl12xx
   4  *
   5  * Copyright (C) 2012 Texas Instruments. All rights reserved.
   6  */
   7 
   8 #ifndef __WL12XX_SCAN_H__
   9 #define __WL12XX_SCAN_H__
  10 
  11 #include "../wlcore/wlcore.h"
  12 #include "../wlcore/cmd.h"
  13 #include "../wlcore/scan.h"
  14 
  15 #define WL12XX_MAX_CHANNELS_5GHZ 23
  16 
  17 struct basic_scan_params {
  18         /* Scan option flags (WL1271_SCAN_OPT_*) */
  19         __le16 scan_options;
  20         u8 role_id;
  21         /* Number of scan channels in the list (maximum 30) */
  22         u8 n_ch;
  23         /* This field indicates the number of probe requests to send
  24            per channel for an active scan */
  25         u8 n_probe_reqs;
  26         u8 tid_trigger;
  27         u8 ssid_len;
  28         u8 use_ssid_list;
  29 
  30         /* Rate bit field for sending the probes */
  31         __le32 tx_rate;
  32 
  33         u8 ssid[IEEE80211_MAX_SSID_LEN];
  34         /* Band to scan */
  35         u8 band;
  36 
  37         u8 scan_tag;
  38         u8 padding2[2];
  39 } __packed;
  40 
  41 struct basic_scan_channel_params {
  42         /* Duration in TU to wait for frames on a channel for active scan */
  43         __le32 min_duration;
  44         __le32 max_duration;
  45         __le32 bssid_lsb;
  46         __le16 bssid_msb;
  47         u8 early_termination;
  48         u8 tx_power_att;
  49         u8 channel;
  50         /* FW internal use only! */
  51         u8 dfs_candidate;
  52         u8 activity_detected;
  53         u8 pad;
  54 } __packed;
  55 
  56 struct wl1271_cmd_scan {
  57         struct wl1271_cmd_header header;
  58 
  59         struct basic_scan_params params;
  60         struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS];
  61 
  62         /* src mac address */
  63         u8 addr[ETH_ALEN];
  64         u8 padding[2];
  65 } __packed;
  66 
  67 struct wl1271_cmd_sched_scan_config {
  68         struct wl1271_cmd_header header;
  69 
  70         __le32 intervals[SCAN_MAX_CYCLE_INTERVALS];
  71 
  72         s8 rssi_threshold; /* for filtering (in dBm) */
  73         s8 snr_threshold;  /* for filtering (in dB) */
  74 
  75         u8 cycles;       /* maximum number of scan cycles */
  76         u8 report_after; /* report when this number of results are received */
  77         u8 terminate;    /* stop scanning after reporting */
  78 
  79         u8 tag;
  80         u8 bss_type; /* for filtering */
  81         u8 filter_type;
  82 
  83         u8 ssid_len;     /* For SCAN_SSID_FILTER_SPECIFIC */
  84         u8 ssid[IEEE80211_MAX_SSID_LEN];
  85 
  86         u8 n_probe_reqs; /* Number of probes requests per channel */
  87 
  88         u8 passive[SCAN_MAX_BANDS];
  89         u8 active[SCAN_MAX_BANDS];
  90 
  91         u8 dfs;
  92 
  93         u8 n_pactive_ch; /* number of pactive (passive until fw detects energy)
  94                             channels in BG band */
  95         u8 role_id;
  96         u8 padding[1];
  97         struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
  98         struct conn_scan_ch_params channels_5[WL12XX_MAX_CHANNELS_5GHZ];
  99         struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
 100 } __packed;
 101 
 102 struct wl1271_cmd_sched_scan_start {
 103         struct wl1271_cmd_header header;
 104 
 105         u8 tag;
 106         u8 role_id;
 107         u8 padding[2];
 108 } __packed;
 109 
 110 struct wl1271_cmd_sched_scan_stop {
 111         struct wl1271_cmd_header header;
 112 
 113         u8 tag;
 114         u8 role_id;
 115         u8 padding[2];
 116 } __packed;
 117 
 118 int wl12xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 119                       struct cfg80211_scan_request *req);
 120 int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 121 void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 122 int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif  *wlvif,
 123                             struct cfg80211_sched_scan_request *req,
 124                             struct ieee80211_scan_ies *ies);
 125 void wl12xx_scan_sched_scan_stop(struct wl1271 *wl,  struct wl12xx_vif *wlvif);
 126 #endif