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/src/ap/hostapd.h b/src/ap/hostapd.h
new file mode 100644
index 0000000..d4501a1
--- /dev/null
+++ b/src/ap/hostapd.h
@@ -0,0 +1,262 @@
+/*
+ * hostapd / Initialization and configuration
+ * Copyright (c) 2002-2009, 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 HOSTAPD_H
+#define HOSTAPD_H
+
+#include "common/defs.h"
+
+struct wpa_driver_ops;
+struct wpa_ctrl_dst;
+struct radius_server_data;
+struct upnp_wps_device_sm;
+struct hapd_interfaces;
+struct hostapd_data;
+struct sta_info;
+struct hostap_sta_driver_data;
+struct ieee80211_ht_capabilities;
+struct full_dynamic_vlan;
+enum wps_event;
+union wps_event_data;
+
+struct hostapd_probereq_cb {
+	int (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len);
+	void *ctx;
+};
+
+#define HOSTAPD_RATE_BASIC 0x00000001
+
+struct hostapd_rate_data {
+	int rate; /* rate in 100 kbps */
+	int flags; /* HOSTAPD_RATE_ flags */
+};
+
+struct hostapd_frame_info {
+	u32 channel;
+	u32 datarate;
+	u32 ssi_signal;
+};
+
+
+/**
+ * struct hostapd_data - hostapd per-BSS data structure
+ */
+struct hostapd_data {
+	struct hostapd_iface *iface;
+	struct hostapd_config *iconf;
+	struct hostapd_bss_config *conf;
+	int interface_added; /* virtual interface added for this BSS */
+
+	u8 own_addr[ETH_ALEN];
+
+	int num_sta; /* number of entries in sta_list */
+	struct sta_info *sta_list; /* STA info list head */
+#define STA_HASH_SIZE 256
+#define STA_HASH(sta) (sta[5])
+	struct sta_info *sta_hash[STA_HASH_SIZE];
+
+	/*
+	 * Bitfield for indicating which AIDs are allocated. Only AID values
+	 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
+	 * 1.
+	 */
+#define AID_WORDS ((2008 + 31) / 32)
+	u32 sta_aid[AID_WORDS];
+
+	const struct wpa_driver_ops *driver;
+	void *drv_priv;
+
+	void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
+				 struct sta_info *sta, int reassoc);
+
+	void *msg_ctx; /* ctx for wpa_msg() calls */
+
+	struct radius_client_data *radius;
+	u32 acct_session_id_hi, acct_session_id_lo;
+
+	struct iapp_data *iapp;
+
+	struct hostapd_cached_radius_acl *acl_cache;
+	struct hostapd_acl_query_data *acl_queries;
+
+	struct wpa_authenticator *wpa_auth;
+	struct eapol_authenticator *eapol_auth;
+
+	struct rsn_preauth_interface *preauth_iface;
+	time_t michael_mic_failure;
+	int michael_mic_failures;
+	int tkip_countermeasures;
+
+	int ctrl_sock;
+	struct wpa_ctrl_dst *ctrl_dst;
+
+	void *ssl_ctx;
+	void *eap_sim_db_priv;
+	struct radius_server_data *radius_srv;
+
+	int parameter_set_count;
+
+#ifdef CONFIG_FULL_DYNAMIC_VLAN
+	struct full_dynamic_vlan *full_dynamic_vlan;
+#endif /* CONFIG_FULL_DYNAMIC_VLAN */
+
+	struct l2_packet_data *l2;
+	struct wps_context *wps;
+
+	struct wpabuf *wps_beacon_ie;
+	struct wpabuf *wps_probe_resp_ie;
+#ifdef CONFIG_WPS
+	unsigned int ap_pin_failures;
+	struct upnp_wps_device_sm *wps_upnp;
+	unsigned int ap_pin_lockout_time;
+#endif /* CONFIG_WPS */
+
+	struct hostapd_probereq_cb *probereq_cb;
+	size_t num_probereq_cb;
+
+	void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
+				 int freq);
+	void *public_action_cb_ctx;
+
+	int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
+				int freq);
+	void *vendor_action_cb_ctx;
+
+	void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
+				   const u8 *uuid_e);
+	void *wps_reg_success_cb_ctx;
+
+	void (*wps_event_cb)(void *ctx, enum wps_event event,
+			     union wps_event_data *data);
+	void *wps_event_cb_ctx;
+
+	void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
+				  int authorized);
+	void *sta_authorized_cb_ctx;
+
+	void (*setup_complete_cb)(void *ctx);
+	void *setup_complete_cb_ctx;
+
+#ifdef CONFIG_P2P
+	struct p2p_data *p2p;
+	struct p2p_group *p2p_group;
+	struct wpabuf *p2p_beacon_ie;
+	struct wpabuf *p2p_probe_resp_ie;
+
+	/* Number of non-P2P association stations */
+	int num_sta_no_p2p;
+
+	/* Periodic NoA (used only when no non-P2P clients in the group) */
+	int noa_enabled;
+	int noa_start;
+	int noa_duration;
+#endif /* CONFIG_P2P */
+};
+
+
+/**
+ * struct hostapd_iface - hostapd per-interface data structure
+ */
+struct hostapd_iface {
+	struct hapd_interfaces *interfaces;
+	void *owner;
+	int (*reload_config)(struct hostapd_iface *iface);
+	struct hostapd_config * (*config_read_cb)(const char *config_fname);
+	char *config_fname;
+	struct hostapd_config *conf;
+
+	size_t num_bss;
+	struct hostapd_data **bss;
+
+	int num_ap; /* number of entries in ap_list */
+	struct ap_info *ap_list; /* AP info list head */
+	struct ap_info *ap_hash[STA_HASH_SIZE];
+	struct ap_info *ap_iter_list;
+
+	unsigned int drv_flags;
+	struct hostapd_hw_modes *hw_features;
+	int num_hw_features;
+	struct hostapd_hw_modes *current_mode;
+	/* Rates that are currently used (i.e., filtered copy of
+	 * current_mode->channels */
+	int num_rates;
+	struct hostapd_rate_data *current_rates;
+	int freq;
+
+	u16 hw_flags;
+
+	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
+	 * in 802.11g BSS) */
+	int num_sta_non_erp;
+
+	/* Number of associated stations that do not support Short Slot Time */
+	int num_sta_no_short_slot_time;
+
+	/* Number of associated stations that do not support Short Preamble */
+	int num_sta_no_short_preamble;
+
+	int olbc; /* Overlapping Legacy BSS Condition */
+
+	/* Number of HT associated stations that do not support greenfield */
+	int num_sta_ht_no_gf;
+
+	/* Number of associated non-HT stations */
+	int num_sta_no_ht;
+
+	/* Number of HT associated stations 20 MHz */
+	int num_sta_ht_20mhz;
+
+	/* Overlapping BSS information */
+	int olbc_ht;
+
+	u16 ht_op_mode;
+	void (*scan_cb)(struct hostapd_iface *iface);
+
+	int (*ctrl_iface_init)(struct hostapd_data *hapd);
+	void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
+
+	int (*for_each_interface)(struct hapd_interfaces *interfaces,
+				  int (*cb)(struct hostapd_iface *iface,
+					    void *ctx), void *ctx);
+};
+
+/* hostapd.c */
+int hostapd_reload_config(struct hostapd_iface *iface);
+struct hostapd_data *
+hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
+		       struct hostapd_config *conf,
+		       struct hostapd_bss_config *bss);
+int hostapd_setup_interface(struct hostapd_iface *iface);
+int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
+void hostapd_interface_deinit(struct hostapd_iface *iface);
+void hostapd_interface_free(struct hostapd_iface *iface);
+void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
+			   int reassoc);
+
+/* utils.c */
+int hostapd_register_probereq_cb(struct hostapd_data *hapd,
+				 int (*cb)(void *ctx, const u8 *sa,
+					   const u8 *ie, size_t ie_len),
+				 void *ctx);
+void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
+
+/* drv_callbacks.c (TODO: move to somewhere else?) */
+int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
+			const u8 *ie, size_t ielen, int reassoc);
+void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
+void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
+int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa,
+			 const u8 *ie, size_t ie_len);
+
+#endif /* HOSTAPD_H */