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//
// raw.h
//
// Raw network protocol interface
//
// Copyright (C) 2002 Michael Ringgaard. All rights reserved.
// Portions Copyright (C) 2001, Swedish Institute of Computer Science.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. 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.
// 3. Neither the name of the project nor the names of its contributors
// may be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS 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.
//
#ifndef RAW_H
#define RAW_H
struct raw_pcb {
struct ip_addr local_ip;
struct ip_addr remote_ip;
int ttl;
struct raw_pcb *next;
unsigned short protocol;
void *recv_arg;
err_t (*recv)(void *arg, struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *addr);
};
// Application layer interface to the RAW code
struct raw_pcb *raw_new(unsigned short proto);
void raw_remove(struct raw_pcb *pcb);
err_t raw_bind(struct raw_pcb *pcb, struct ip_addr *ipaddr);
err_t raw_connect(struct raw_pcb *pcb, struct ip_addr *ipaddr);
err_t raw_recv(struct raw_pcb *pcb, err_t (*recv)(void *arg, struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *addr), void *recv_arg);
err_t raw_sendto(struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *ipaddr);
err_t raw_send(struct raw_pcb *pcb, struct pbuf *p);
// Lower layer interface to RAW
err_t raw_input(struct pbuf *p, struct netif *inp);
void raw_init();
#endif