include/net/raw.h

   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 #include <linux/config.h>
  21
  22 #include <net/protocol.h>
  23
  24 extern struct proto raw_prot;
  25
  26 extern void     raw_err(struct sock *, struct sk_buff *, u32 info);
  27 extern int      raw_rcv(struct sock *, struct sk_buff *);
  28
  29 /* Note: v4 ICMP wants to get at this stuff, if you change the
  30  *       hashing mechanism, make sure you update icmp.c as well.
  31  */
  32 #define RAWV4_HTABLE_SIZE       MAX_INET_PROTOS
  33 extern struct hlist_head raw_v4_htable[RAWV4_HTABLE_SIZE];
  34
  35 extern rwlock_t raw_v4_lock;
  36
  37
  38 extern struct sock *__raw_v4_lookup(struct sock *sk, unsigned short num,
  39                                     __be32 raddr, __be32 laddr,
  40                                     int dif);
  41
  42 extern int raw_v4_input(struct sk_buff *skb, struct iphdr *iph, int hash);
  43
  44 #ifdef CONFIG_PROC_FS
  45 extern int  raw_proc_init(void);
  46 extern void raw_proc_exit(void);
  47 #endif
  48
  49 #endif  /* _RAW_H */