165 lines
4.2 KiB
C
165 lines
4.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* This file is part of wl1271
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*
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* Copyright (C) 2009-2010 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*/
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#ifndef __SCAN_H__
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#define __SCAN_H__
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#include "wlcore.h"
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int wlcore_scan(struct wl1271 *wl, struct ieee80211_vif *vif,
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const u8 *ssid, size_t ssid_len,
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struct cfg80211_scan_request *req);
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int wl1271_scan_build_probe_req(struct wl1271 *wl,
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const u8 *ssid, size_t ssid_len,
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const u8 *ie, size_t ie_len, u8 band);
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void wl1271_scan_stm(struct wl1271 *wl, struct wl12xx_vif *wlvif);
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void wl1271_scan_complete_work(struct work_struct *work);
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int wl1271_scan_sched_scan_config(struct wl1271 *wl,
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struct wl12xx_vif *wlvif,
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struct cfg80211_sched_scan_request *req,
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struct ieee80211_scan_ies *ies);
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int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif);
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void wlcore_scan_sched_scan_results(struct wl1271 *wl);
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#define WL1271_SCAN_MAX_CHANNELS 24
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#define WL1271_SCAN_DEFAULT_TAG 1
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#define WL1271_SCAN_CURRENT_TX_PWR 0
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#define WL1271_SCAN_OPT_ACTIVE 0
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#define WL1271_SCAN_OPT_PASSIVE 1
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#define WL1271_SCAN_OPT_SPLIT_SCAN 2
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#define WL1271_SCAN_OPT_PRIORITY_HIGH 4
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/* scan even if we fail to enter psm */
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#define WL1271_SCAN_OPT_FORCE 8
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#define WL1271_SCAN_BAND_2_4_GHZ 0
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#define WL1271_SCAN_BAND_5_GHZ 1
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#define WL1271_SCAN_TIMEOUT 30000 /* msec */
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enum {
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WL1271_SCAN_STATE_IDLE,
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WL1271_SCAN_STATE_2GHZ_ACTIVE,
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WL1271_SCAN_STATE_2GHZ_PASSIVE,
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WL1271_SCAN_STATE_5GHZ_ACTIVE,
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WL1271_SCAN_STATE_5GHZ_PASSIVE,
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WL1271_SCAN_STATE_DONE
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};
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struct wl1271_cmd_trigger_scan_to {
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struct wl1271_cmd_header header;
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__le32 timeout;
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} __packed;
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#define MAX_CHANNELS_2GHZ 14
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#define MAX_CHANNELS_4GHZ 4
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/*
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* This max value here is used only for the struct definition of
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* wlcore_scan_channels. This struct is used by both 12xx
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* and 18xx (which have different max 5ghz channels value).
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* In order to make sure this is large enough, just use the
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* max possible 5ghz channels.
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*/
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#define MAX_CHANNELS_5GHZ 42
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#define SCAN_MAX_CYCLE_INTERVALS 16
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/* The FW intervals can take up to 16 entries.
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* The 1st entry isn't used (scan is immediate). The last
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* entry should be used for the long_interval
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*/
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#define SCAN_MAX_SHORT_INTERVALS (SCAN_MAX_CYCLE_INTERVALS - 2)
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#define SCAN_MAX_BANDS 3
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enum {
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SCAN_SSID_FILTER_ANY = 0,
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SCAN_SSID_FILTER_SPECIFIC = 1,
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SCAN_SSID_FILTER_LIST = 2,
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SCAN_SSID_FILTER_DISABLED = 3
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};
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enum {
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SCAN_BSS_TYPE_INDEPENDENT,
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SCAN_BSS_TYPE_INFRASTRUCTURE,
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SCAN_BSS_TYPE_ANY,
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};
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#define SCAN_CHANNEL_FLAGS_DFS BIT(0) /* channel is passive until an
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activity is detected on it */
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#define SCAN_CHANNEL_FLAGS_DFS_ENABLED BIT(1)
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struct conn_scan_ch_params {
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__le16 min_duration;
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__le16 max_duration;
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__le16 passive_duration;
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u8 channel;
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u8 tx_power_att;
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/* bit 0: DFS channel; bit 1: DFS enabled */
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u8 flags;
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u8 padding[3];
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} __packed;
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#define SCHED_SCAN_MAX_SSIDS 16
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enum {
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SCAN_SSID_TYPE_PUBLIC = 0,
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SCAN_SSID_TYPE_HIDDEN = 1,
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};
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struct wl1271_ssid {
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u8 type;
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u8 len;
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u8 ssid[IEEE80211_MAX_SSID_LEN];
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/* u8 padding[2]; */
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} __packed;
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struct wl1271_cmd_sched_scan_ssid_list {
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struct wl1271_cmd_header header;
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u8 n_ssids;
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struct wl1271_ssid ssids[SCHED_SCAN_MAX_SSIDS];
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u8 role_id;
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u8 padding[2];
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} __packed;
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struct wlcore_scan_channels {
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u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
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u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */
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u8 dfs; /* number of dfs channels in 5ghz */
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u8 passive_active; /* number of passive before active channels 2.4ghz */
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struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
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struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ];
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struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
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};
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enum {
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SCAN_TYPE_SEARCH = 0,
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SCAN_TYPE_PERIODIC = 1,
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SCAN_TYPE_TRACKING = 2,
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};
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bool
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wlcore_set_scan_chan_params(struct wl1271 *wl,
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struct wlcore_scan_channels *cfg,
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struct ieee80211_channel *channels[],
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u32 n_channels,
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u32 n_ssids,
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int scan_type);
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int
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wlcore_scan_sched_scan_ssid_list(struct wl1271 *wl,
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struct wl12xx_vif *wlvif,
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struct cfg80211_sched_scan_request *req);
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#endif /* __WL1271_SCAN_H__ */
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