1 files changed, 226 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/scan.h b/drivers/net/wireless/wl12xx/scan.h
new file mode 100644
index 000000000000..a0b6c5d67b07
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/scan.h
@@ -0,0 +1,226 @@
+/*
+ * 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 "wl12xx.h"
+
+int wl1271_scan(struct wl1271 *wl, 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);
+void wl1271_scan_complete_work(struct work_struct *work);
+int wl1271_scan_sched_scan_config(struct wl1271 *wl,
+                                     struct cfg80211_sched_scan_request *req,
+                                     struct ieee80211_sched_scan_ies *ies);
+int wl1271_scan_sched_scan_start(struct wl1271 *wl);
+void wl1271_scan_sched_scan_stop(struct wl1271 *wl);
+void wl1271_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_PRIORITY_HIGH  4
+#define WL1271_SCAN_BAND_2_4_GHZ 0
+#define WL1271_SCAN_BAND_5_GHZ 1
+
+#define WL1271_SCAN_TIMEOUT    10000 /* 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 basic_scan_params {
+        __le32 rx_config_options;
+        __le32 rx_filter_options;
+        /* Scan option flags (WL1271_SCAN_OPT_*) */
+        __le16 scan_options;
+        /* Number of scan channels in the list (maximum 30) */
+        u8 n_ch;
+        /* This field indicates the number of probe requests to send
+           per channel for an active scan */
+        u8 n_probe_reqs;
+        /* Rate bit field for sending the probes */
+        __le32 tx_rate;
+        u8 tid_trigger;
+        u8 ssid_len;
+        /* in order to align */
+        u8 padding1[2];
+        u8 ssid[IW_ESSID_MAX_SIZE];
+        /* Band to scan */
+        u8 band;
+        u8 use_ssid_list;
+        u8 scan_tag;
+        u8 padding2;
+} __packed;
+
+struct basic_scan_channel_params {
+        /* Duration in TU to wait for frames on a channel for active scan */
+        __le32 min_duration;
+        __le32 max_duration;
+        __le32 bssid_lsb;
+        __le16 bssid_msb;
+        u8 early_termination;
+        u8 tx_power_att;
+        u8 channel;
+        /* FW internal use only! */
+        u8 dfs_candidate;
+        u8 activity_detected;
+        u8 pad;
+} __packed;
+
+struct wl1271_cmd_scan {
+        struct wl1271_cmd_header header;
+
+        struct basic_scan_params params;
+        struct basic_scan_channel_params channels[WL1271_SCAN_MAX_CHANNELS];
+} __packed;
+
+struct wl1271_cmd_trigger_scan_to {
+        struct wl1271_cmd_header header;
+
+        __le32 timeout;
+} __packed;
+
+#define MAX_CHANNELS_ALL_BANDS 41
+#define SCAN_MAX_CYCLE_INTERVALS 16
+#define SCAN_MAX_BANDS 3
+
+enum {
+        SCAN_CHANNEL_TYPE_2GHZ_PASSIVE,
+        SCAN_CHANNEL_TYPE_2GHZ_ACTIVE,
+        SCAN_CHANNEL_TYPE_5GHZ_PASSIVE,
+        SCAN_CHANNEL_TYPE_5GHZ_ACTIVE,
+        SCAN_CHANNEL_TYPE_5GHZ_DFS,
+};
+
+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)
+#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;
+
+struct wl1271_cmd_sched_scan_config {
+        struct wl1271_cmd_header header;
+
+        __le32 intervals[SCAN_MAX_CYCLE_INTERVALS];
+
+        s8 rssi_threshold; /* for filtering (in dBm) */
+        s8 snr_threshold;  /* for filtering (in dB) */
+
+        u8 cycles;       /* maximum number of scan cycles */
+        u8 report_after; /* report when this number of results are received */
+        u8 terminate;    /* stop scanning after reporting */
+
+        u8 tag;
+        u8 bss_type; /* for filtering */
+        u8 filter_type;
+
+        u8 ssid_len;     /* For SCAN_SSID_FILTER_SPECIFIC */
+        u8 ssid[IW_ESSID_MAX_SIZE];
+
+        u8 n_probe_reqs; /* Number of probes requests per channel */
+
+        u8 passive[SCAN_MAX_BANDS];
+        u8 active[SCAN_MAX_BANDS];
+
+        u8 dfs;
+
+        u8 padding[3];
+
+        struct conn_scan_ch_params channels[MAX_CHANNELS_ALL_BANDS];
+} __packed;
+
+
+#define SCHED_SCAN_MAX_SSIDS 8
+
+enum {
+        SCAN_SSID_TYPE_PUBLIC = 0,
+        SCAN_SSID_TYPE_HIDDEN = 1,
+};
+
+struct wl1271_ssid {
+        u8 type;
+        u8 len;
+        u8 ssid[IW_ESSID_MAX_SIZE];
+        /* 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 padding[3];
+} __packed;
+
+struct wl1271_cmd_sched_scan_start {
+        struct wl1271_cmd_header header;
+
+        u8 tag;
+        u8 padding[3];
+} __packed;
+
+struct wl1271_cmd_sched_scan_stop {
+        struct wl1271_cmd_header header;
+
+        u8 tag;
+        u8 padding[3];
+} __packed;
+
+
+#endif /* __WL1271_SCAN_H__ */