dsr-ack.h

/* Copyright (C) Uppsala University
 *
 * This file is distributed under the terms of the GNU general Public
 * License (GPL), see the file LICENSE
 *
 * Author: Erik Nordström, <erikn@it.uu.se>
 */
#ifndef _DSR_ACK_H
#define _DSR_ACK_H

#include "dsr.h"

#ifndef NO_GLOBALS

struct dsr_ack_req_opt {
	u_int8_t type;
	u_int8_t length;
	u_int16_t id;
};

struct dsr_ack_opt {
	u_int8_t type;
	u_int8_t length;
	u_int16_t id;
	u_int32_t src;
	u_int32_t dst;
};
#define DSR_ACK_REQ_HDR_LEN sizeof(struct dsr_ack_req_opt)
#define DSR_ACK_REQ_OPT_LEN (DSR_ACK_REQ_HDR_LEN - 2)
#define DSR_ACK_HDR_LEN sizeof(struct dsr_ack_opt)
#define DSR_ACK_OPT_LEN (DSR_ACK_HDR_LEN - 2)

int dsr_ack_add_ack_req(struct in_addr neigh);
#endif				/* NO_GLOBALS */

#ifndef NO_DECLS

struct dsr_ack_req_opt *dsr_ack_req_opt_add(struct dsr_pkt *dp,
					    unsigned short id);
int dsr_ack_req_opt_recv(struct dsr_pkt *dp, struct dsr_ack_req_opt *areq);
int dsr_ack_opt_recv(struct dsr_ack_opt *ack);
int dsr_ack_req_send(struct in_addr neigh_addr, unsigned short id);
int dsr_ack_send(struct in_addr dst, unsigned short id);

#endif				/* NO_DECLS */

#endif				/* _DSR_ACK */