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