LXR linux/drivers/net/wireless/ti/wl12xx/scan.h

   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
  17struct 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
  41struct 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
  56struct 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
  67struct 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
 102struct 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
 110struct 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
 118int wl12xx_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif,
 119                      struct cfg80211_scan_request *req);
 120int wl12xx_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 121void wl12xx_scan_completed(struct wl1271 *wl, struct wl12xx_vif *wlvif);
 122int wl12xx_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif  *wlvif,
 123                            struct cfg80211_sched_scan_request *req,
 124                            struct ieee80211_scan_ies *ies);
 125void wl12xx_scan_sched_scan_stop(struct wl1271 *wl,  struct wl12xx_vif *wlvif);
 126#endif
 127