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path: root/drivers/net/wireless/ti/wlcore/scan.h
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-rw-r--r--drivers/net/wireless/ti/wlcore/scan.h178
1 files changed, 178 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wlcore/scan.h b/drivers/net/wireless/ti/wlcore/scan.h
new file mode 100644
index 0000000..782eb29
--- /dev/null
+++ b/drivers/net/wireless/ti/wlcore/scan.h
@@ -0,0 +1,178 @@
+/*
+ * This file is part of wl1271
+ *
+ * Copyright (C) 2009-2010 Nokia Corporation
+ *
+ * Contact: Luciano Coelho <luciano.coelho@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __SCAN_H__
+#define __SCAN_H__
+
+#include "wlcore.h"
+
+int wlcore_scan(struct wl1271 *wl, struct ieee80211_vif *vif,
+ const u8 *ssid, size_t ssid_len,
+ struct cfg80211_scan_request *req);
+int wl1271_scan_build_probe_req(struct wl1271 *wl,
+ const u8 *ssid, size_t ssid_len,
+ const u8 *ie, size_t ie_len, u8 band);
+void wl1271_scan_stm(struct wl1271 *wl, struct wl12xx_vif *wlvif);
+void wl1271_scan_complete_work(struct work_struct *work);
+int wl1271_scan_sched_scan_config(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
+ struct cfg80211_sched_scan_request *req,
+ struct ieee80211_scan_ies *ies);
+int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif);
+void wlcore_scan_sched_scan_results(struct wl1271 *wl);
+
+#define WL1271_SCAN_MAX_CHANNELS 24
+#define WL1271_SCAN_DEFAULT_TAG 1
+#define WL1271_SCAN_CURRENT_TX_PWR 0
+#define WL1271_SCAN_OPT_ACTIVE 0
+#define WL1271_SCAN_OPT_PASSIVE 1
+#define WL1271_SCAN_OPT_SPLIT_SCAN 2
+#define WL1271_SCAN_OPT_PRIORITY_HIGH 4
+/* scan even if we fail to enter psm */
+#define WL1271_SCAN_OPT_FORCE 8
+#define WL1271_SCAN_BAND_2_4_GHZ 0
+#define WL1271_SCAN_BAND_5_GHZ 1
+
+#define WL1271_SCAN_TIMEOUT 30000 /* msec */
+
+enum {
+ WL1271_SCAN_STATE_IDLE,
+ WL1271_SCAN_STATE_2GHZ_ACTIVE,
+ WL1271_SCAN_STATE_2GHZ_PASSIVE,
+ WL1271_SCAN_STATE_5GHZ_ACTIVE,
+ WL1271_SCAN_STATE_5GHZ_PASSIVE,
+ WL1271_SCAN_STATE_DONE
+};
+
+struct wl1271_cmd_trigger_scan_to {
+ struct wl1271_cmd_header header;
+
+ __le32 timeout;
+} __packed;
+
+#define MAX_CHANNELS_2GHZ 14
+#define MAX_CHANNELS_4GHZ 4
+
+/*
+ * This max value here is used only for the struct definition of
+ * wlcore_scan_channels. This struct is used by both 12xx
+ * and 18xx (which have different max 5ghz channels value).
+ * In order to make sure this is large enough, just use the
+ * max possible 5ghz channels.
+ */
+#define MAX_CHANNELS_5GHZ 42
+
+#define SCAN_MAX_CYCLE_INTERVALS 16
+
+/* The FW intervals can take up to 16 entries.
+ * The 1st entry isn't used (scan is immediate). The last
+ * entry should be used for the long_interval
+ */
+#define SCAN_MAX_SHORT_INTERVALS (SCAN_MAX_CYCLE_INTERVALS - 2)
+#define SCAN_MAX_BANDS 3
+
+enum {
+ SCAN_SSID_FILTER_ANY = 0,
+ SCAN_SSID_FILTER_SPECIFIC = 1,
+ SCAN_SSID_FILTER_LIST = 2,
+ SCAN_SSID_FILTER_DISABLED = 3
+};
+
+enum {
+ SCAN_BSS_TYPE_INDEPENDENT,
+ SCAN_BSS_TYPE_INFRASTRUCTURE,
+ SCAN_BSS_TYPE_ANY,
+};
+
+#define SCAN_CHANNEL_FLAGS_DFS BIT(0) /* channel is passive until an
+ activity is detected on it */
+#define SCAN_CHANNEL_FLAGS_DFS_ENABLED BIT(1)
+
+struct conn_scan_ch_params {
+ __le16 min_duration;
+ __le16 max_duration;
+ __le16 passive_duration;
+
+ u8 channel;
+ u8 tx_power_att;
+
+ /* bit 0: DFS channel; bit 1: DFS enabled */
+ u8 flags;
+
+ u8 padding[3];
+} __packed;
+
+#define SCHED_SCAN_MAX_SSIDS 16
+
+enum {
+ SCAN_SSID_TYPE_PUBLIC = 0,
+ SCAN_SSID_TYPE_HIDDEN = 1,
+};
+
+struct wl1271_ssid {
+ u8 type;
+ u8 len;
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ /* u8 padding[2]; */
+} __packed;
+
+struct wl1271_cmd_sched_scan_ssid_list {
+ struct wl1271_cmd_header header;
+
+ u8 n_ssids;
+ struct wl1271_ssid ssids[SCHED_SCAN_MAX_SSIDS];
+ u8 role_id;
+ u8 padding[2];
+} __packed;
+
+struct wlcore_scan_channels {
+ u8 passive[SCAN_MAX_BANDS]; /* number of passive scan channels */
+ u8 active[SCAN_MAX_BANDS]; /* number of active scan channels */
+ u8 dfs; /* number of dfs channels in 5ghz */
+ u8 passive_active; /* number of passive before active channels 2.4ghz */
+
+ struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ];
+ struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ];
+ struct conn_scan_ch_params channels_4[MAX_CHANNELS_4GHZ];
+};
+
+enum {
+ SCAN_TYPE_SEARCH = 0,
+ SCAN_TYPE_PERIODIC = 1,
+ SCAN_TYPE_TRACKING = 2,
+};
+
+bool
+wlcore_set_scan_chan_params(struct wl1271 *wl,
+ struct wlcore_scan_channels *cfg,
+ struct ieee80211_channel *channels[],
+ u32 n_channels,
+ u32 n_ssids,
+ int scan_type);
+
+int
+wlcore_scan_sched_scan_ssid_list(struct wl1271 *wl,
+ struct wl12xx_vif *wlvif,
+ struct cfg80211_sched_scan_request *req);
+
+#endif /* __WL1271_SCAN_H__ */