Xenomai 3.3.2
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protocol.h
1/***
2 *
3 * include/ipv4/protocol.h
4 *
5 * RTnet - real-time networking subsystem
6 * Copyright (C) 1999, 2000 Zentropic Computing, LLC
7 * 2002 Ulrich Marx <marx@kammer.uni-hannover.de>
8 * 2004, 2005 Jan Kiszka <jan.kiszka@web.de>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 */
25
26#ifndef __RTNET_PROTOCOL_H_
27#define __RTNET_PROTOCOL_H_
28
29#include <rtnet_socket.h>
30#include <rtskb.h>
31
32#define MAX_RT_INET_PROTOCOLS 32
33
34/***
35 * transport layer protocol
36 */
37struct rtinet_protocol {
38 char *name;
39 unsigned short protocol;
40
41 struct rtsocket *(*dest_socket)(struct rtskb *);
42 void (*rcv_handler)(struct rtskb *);
43 void (*err_handler)(struct rtskb *);
44 int (*init_socket)(struct rtdm_fd *);
45};
46
47extern struct rtinet_protocol *rt_inet_protocols[];
48
49#define rt_inet_hashkey(id) (id & (MAX_RT_INET_PROTOCOLS - 1))
50extern void rt_inet_add_protocol(struct rtinet_protocol *prot);
51extern void rt_inet_del_protocol(struct rtinet_protocol *prot);
52extern int rt_inet_socket(struct rtdm_fd *fd, int protocol);
53
54#endif /* __RTNET_PROTOCOL_H_ */