/*
 *
 *  Wireless daemon for Linux
 *
 *  Copyright (C) 2013-2014  Intel Corporation. All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */

#include <stdbool.h>

struct netdev;
struct scan_bss;
struct handshake_state;
struct eapol_sm;
struct mmpdu_header;

enum netdev_result {
	NETDEV_RESULT_OK,
	NETDEV_RESULT_AUTHENTICATION_FAILED,
	NETDEV_RESULT_ASSOCIATION_FAILED,
	NETDEV_RESULT_HANDSHAKE_FAILED,
	NETDEV_RESULT_KEY_SETTING_FAILED,
	NETDEV_RESULT_ABORTED,
};

enum netdev_event {
	NETDEV_EVENT_AUTHENTICATING,
	NETDEV_EVENT_ASSOCIATING,
	NETDEV_EVENT_LOST_BEACON,
	NETDEV_EVENT_DISCONNECT_BY_AP,
	NETDEV_EVENT_DISCONNECT_BY_SME,
	NETDEV_EVENT_RSSI_THRESHOLD_LOW,
	NETDEV_EVENT_RSSI_THRESHOLD_HIGH,
	NETDEV_EVENT_RSSI_LEVEL_NOTIFY,
};

enum netdev_watch_event {
	NETDEV_WATCH_EVENT_UP,
	NETDEV_WATCH_EVENT_DOWN,
	NETDEV_WATCH_EVENT_NAME_CHANGE,
	NETDEV_WATCH_EVENT_ADDRESS_CHANGE,
};

enum netdev_iftype {
	NETDEV_IFTYPE_STATION,
	NETDEV_IFTYPE_AP,
	NETDEV_IFTYPE_ADHOC
};

typedef void (*netdev_command_func_t) (bool result, void *user_data);
typedef void (*netdev_connect_cb_t)(struct netdev *netdev,
					enum netdev_result result,
					void *user_data);
typedef void (*netdev_event_func_t)(struct netdev *netdev,
					enum netdev_event event,
					void *user_data);
typedef void (*netdev_disconnect_cb_t)(struct netdev *netdev, bool result,
					void *user_data);
typedef void (*netdev_watch_func_t)(struct netdev *netdev,
					enum netdev_watch_event event,
					void *user_data);
typedef void (*netdev_set_powered_cb_t)(struct netdev *netdev, int result,
					void *user_data);
typedef void (*netdev_set_4addr_cb_t)(struct netdev *netdev, int result,
					void *user_data);
typedef void (*netdev_destroy_func_t)(void *user_data);
typedef void (*netdev_eapol_event_func_t)(unsigned int event,
					const void *event_data,
					void *user_data);
typedef void (*netdev_neighbor_report_cb_t)(struct netdev *netdev, int err,
					const uint8_t *reports,
					size_t reports_len, void *user_data);
typedef void (*netdev_preauthenticate_cb_t)(struct netdev *netdev,
					enum netdev_result result,
					const uint8_t *pmk, void *user_data);
typedef void (*netdev_frame_watch_func_t)(struct netdev *netdev,
					const struct mmpdu_header *frame,
					const void *body, size_t body_len,
					void *user_data);

struct wiphy *netdev_get_wiphy(struct netdev *netdev);
const uint8_t *netdev_get_address(struct netdev *netdev);
uint32_t netdev_get_ifindex(struct netdev *netdev);
enum netdev_iftype netdev_get_iftype(struct netdev *netdev);
int netdev_set_iftype(struct netdev *netdev, enum netdev_iftype type);
int netdev_set_4addr(struct netdev *netdev, bool use_4addr,
			netdev_set_4addr_cb_t cb, void *user_data,
			netdev_destroy_func_t destroy);
bool netdev_get_4addr(struct netdev *netdev);
const char *netdev_get_name(struct netdev *netdev);
bool netdev_get_is_up(struct netdev *netdev);

struct handshake_state *netdev_handshake_state_new(struct netdev *netdev);
struct handshake_state *netdev_get_handshake(struct netdev *netdev);

int netdev_connect(struct netdev *netdev, struct scan_bss *bss,
				struct handshake_state *hs,
				netdev_event_func_t event_filter,
				netdev_connect_cb_t cb, void *user_data);
int netdev_connect_wsc(struct netdev *netdev, struct scan_bss *bss,
				struct handshake_state *hs,
				netdev_event_func_t event_filter,
				netdev_connect_cb_t cb,
				netdev_eapol_event_func_t eapol_cb,
				void *user_data);
int netdev_disconnect(struct netdev *netdev,
				netdev_disconnect_cb_t cb, void *user_data);
int netdev_reassociate(struct netdev *netdev, struct scan_bss *target_bss,
			struct scan_bss *orig_bss, struct handshake_state *hs,
			netdev_event_func_t event_filter,
			netdev_connect_cb_t cb, void *user_data);
int netdev_fast_transition(struct netdev *netdev, struct scan_bss *target_bss,
				netdev_connect_cb_t cb);
int netdev_preauthenticate(struct netdev *netdev, struct scan_bss *target_bss,
				netdev_preauthenticate_cb_t cb,
				void *user_data);

int netdev_del_station(struct netdev *netdev, const uint8_t *sta,
		uint16_t reason_code, bool disassociate);

int netdev_set_powered(struct netdev *netdev, bool powered,
				netdev_set_powered_cb_t cb, void *user_data,
				netdev_destroy_func_t destroy);

int netdev_neighbor_report_req(struct netdev *netdev,
				netdev_neighbor_report_cb_t cb);

int netdev_set_rssi_report_levels(struct netdev *netdev, const int8_t *levels,
					size_t levels_num);
int netdev_get_rssi_level(struct netdev *netdev);

uint32_t netdev_frame_watch_add(struct netdev *netdev, uint16_t frame_type,
				const uint8_t *prefix, size_t prefix_len,
				netdev_frame_watch_func_t handler,
				void *user_data);
bool netdev_frame_watch_remove(struct netdev *netdev, uint32_t id);

void netdev_handshake_failed(struct handshake_state *hs, uint16_t reason_code);

struct netdev *netdev_find(int ifindex);

uint32_t netdev_watch_add(struct netdev *netdev, netdev_watch_func_t func,
				void *user_data);
bool netdev_watch_remove(struct netdev *netdev, uint32_t id);

bool netdev_init(struct l_genl_family *in,
				const char *whitelist, const char *blacklist);
bool netdev_exit(void);
void netdev_shutdown(void);