/* * 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 /** @} */