wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/bss.h b/wpa_supplicant/bss.h
new file mode 100644
index 0000000..992b9c0
--- /dev/null
+++ b/wpa_supplicant/bss.h
@@ -0,0 +1,95 @@
+/*
+ * BSS table
+ * Copyright (c) 2009-2010, Jouni Malinen <j@w1.fi>
+ *
+ * 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.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#ifndef BSS_H
+#define BSS_H
+
+struct wpa_scan_res;
+
+#define WPA_BSS_QUAL_INVALID BIT(0)
+#define WPA_BSS_NOISE_INVALID BIT(1)
+#define WPA_BSS_LEVEL_INVALID BIT(2)
+#define WPA_BSS_LEVEL_DBM BIT(3)
+#define WPA_BSS_AUTHENTICATED BIT(4)
+#define WPA_BSS_ASSOCIATED BIT(5)
+
+/**
+ * struct wpa_bss - BSS table
+ * @list: List entry for struct wpa_supplicant::bss
+ * @list_id: List entry for struct wpa_supplicant::bss_id
+ * @id: Unique identifier for this BSS entry
+ * @scan_miss_count: Number of counts without seeing this BSS
+ * @flags: information flags about the BSS/IBSS (WPA_BSS_*)
+ * @last_update_idx: Index of the last scan update
+ * @bssid: BSSID
+ * @freq: frequency of the channel in MHz (e.g., 2412 = channel 1)
+ * @beacon_int: beacon interval in TUs (host byte order)
+ * @caps: capability information field in host byte order
+ * @qual: signal quality
+ * @noise: noise level
+ * @level: signal level
+ * @tsf: Timestamp of last Beacon/Probe Response frame
+ * @last_update: Time of the last update (i.e., Beacon or Probe Response RX)
+ * @ie_len: length of the following IE field in octets (from Probe Response)
+ * @beacon_ie_len: length of the following Beacon IE field in octets
+ *
+ * This structure is used to store information about neighboring BSSes in
+ * generic format. It is mainly updated based on scan results from the driver.
+ */
+struct wpa_bss {
+ struct dl_list list;
+ struct dl_list list_id;
+ unsigned int id;
+ unsigned int scan_miss_count;
+ unsigned int last_update_idx;
+ unsigned int flags;
+ u8 bssid[ETH_ALEN];
+ u8 ssid[32];
+ size_t ssid_len;
+ int freq;
+ u16 beacon_int;
+ u16 caps;
+ int qual;
+ int noise;
+ int level;
+ u64 tsf;
+ struct os_time last_update;
+ size_t ie_len;
+ size_t beacon_ie_len;
+ /* followed by ie_len octets of IEs */
+ /* followed by beacon_ie_len octets of IEs */
+};
+
+void wpa_bss_update_start(struct wpa_supplicant *wpa_s);
+void wpa_bss_update_scan_res(struct wpa_supplicant *wpa_s,
+ struct wpa_scan_res *res);
+void wpa_bss_update_end(struct wpa_supplicant *wpa_s, struct scan_info *info,
+ int new_scan);
+int wpa_bss_init(struct wpa_supplicant *wpa_s);
+void wpa_bss_deinit(struct wpa_supplicant *wpa_s);
+void wpa_bss_flush(struct wpa_supplicant *wpa_s);
+void wpa_bss_flush_by_age(struct wpa_supplicant *wpa_s, int age);
+struct wpa_bss * wpa_bss_get(struct wpa_supplicant *wpa_s, const u8 *bssid,
+ const u8 *ssid, size_t ssid_len);
+struct wpa_bss * wpa_bss_get_bssid(struct wpa_supplicant *wpa_s,
+ const u8 *bssid);
+struct wpa_bss * wpa_bss_get_id(struct wpa_supplicant *wpa_s, unsigned int id);
+const u8 * wpa_bss_get_ie(const struct wpa_bss *bss, u8 ie);
+const u8 * wpa_bss_get_vendor_ie(const struct wpa_bss *bss, u32 vendor_type);
+struct wpabuf * wpa_bss_get_vendor_ie_multi(const struct wpa_bss *bss,
+ u32 vendor_type);
+int wpa_bss_get_max_rate(const struct wpa_bss *bss);
+int wpa_bss_get_bit_rates(const struct wpa_bss *bss, u8 **rates);
+
+#endif /* BSS_H */