1 /*
2  * INET		An implementation of the TCP/IP protocol suite for the LINUX
3  *		operating system.  INET is implemented using the  BSD Socket
4  *		interface as the means of communication with the user level.
5  *
6  *		Definitions for the RAW-IP module.
7  *
8  * Version:	@(#)raw.h	1.0.2	05/07/93
9  *
10  * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
11  *
12  *		This program is free software; you can redistribute it and/or
13  *		modify it under the terms of the GNU General Public License
14  *		as published by the Free Software Foundation; either version
15  *		2 of the License, or (at your option) any later version.
16  */
17 #ifndef _RAW_H
18 #define _RAW_H
19 
20 
21 extern struct proto raw_prot;
22 
23 
24 extern void 	raw_err(struct sock *, struct sk_buff *, u32 info);
25 extern int 	raw_rcv(struct sock *, struct sk_buff *);
26 
27 /* Note: v4 ICMP wants to get at this stuff, if you change the
28  *       hashing mechanism, make sure you update icmp.c as well.
29  */
30 #define RAWV4_HTABLE_SIZE	MAX_INET_PROTOS
31 extern struct sock *raw_v4_htable[RAWV4_HTABLE_SIZE];
32 
33 extern rwlock_t raw_v4_lock;
34 
35 
36 extern struct sock *__raw_v4_lookup(struct sock *sk, unsigned short num,
37 				    unsigned long raddr, unsigned long laddr,
38 				    int dif);
39 
40 extern struct sock *raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash);
41 
42 #endif	/* _RAW_H */
43