/*
* Copyright (c) 2021 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libinet
* @{
*/
/** @file
*/
#ifndef LIBINET_INET_IPLINK_H
#define LIBINET_INET_IPLINK_H
#include <async.h>
#include <inet/addr.h>
#include <inet/eth_addr.h>
struct iplink_ev_ops;
typedef struct {
async_sess_t *sess;
struct iplink_ev_ops *ev_ops;
void *arg;
} iplink_t;
/** IPv4 link Service Data Unit */
typedef struct {
/** Local source address */
addr32_t src;
/** Local destination address */
addr32_t dest;
/** Serialized IP packet */
void *data;
/** Size of @c data in bytes */
size_t size;
} iplink_sdu_t;
/** IPv6 link Service Data Unit */
typedef struct {
/** Local MAC destination address */
eth_addr_t dest;
/** Serialized IP packet */
void *data;
/** Size of @c data in bytes */
size_t size;
} iplink_sdu6_t;
/** Internet link receive Service Data Unit */
typedef struct {
/** Serialized datagram */
void *data;
/** Size of @c data in bytes */
size_t size;
} iplink_recv_sdu_t;
typedef struct iplink_ev_ops {
errno_t (*recv)(iplink_t *, iplink_recv_sdu_t *, ip_ver_t);
errno_t (*change_addr)(iplink_t *, eth_addr_t *);
} iplink_ev_ops_t;
extern errno_t iplink_open(async_sess_t *, iplink_ev_ops_t *, void *, iplink_t **);
extern void iplink_close(iplink_t *);
extern errno_t iplink_send(iplink_t *, iplink_sdu_t *);
extern errno_t iplink_send6(iplink_t *, iplink_sdu6_t *);
extern errno_t iplink_addr_add(iplink_t *, inet_addr_t *);
extern errno_t iplink_addr_remove(iplink_t *, inet_addr_t *);
extern errno_t iplink_get_mtu(iplink_t *, size_t *);
extern errno_t iplink_get_mac48(iplink_t *, eth_addr_t *);
extern errno_t iplink_set_mac48(iplink_t *, eth_addr_t *);
extern void *iplink_get_userptr(iplink_t *);
#endif
/** @}
*/