linux/include/net/raw.h
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   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#include <net/protocol.h>
  22#include <linux/icmp.h>
  23
  24extern struct proto raw_prot;
  25
  26void raw_icmp_error(struct sk_buff *, int, u32);
  27int raw_local_deliver(struct sk_buff *, int);
  28
  29extern int      raw_rcv(struct sock *, struct sk_buff *);
  30
  31#define RAW_HTABLE_SIZE MAX_INET_PROTOS
  32
  33struct raw_hashinfo {
  34        rwlock_t lock;
  35        struct hlist_head ht[RAW_HTABLE_SIZE];
  36};
  37
  38#ifdef CONFIG_PROC_FS
  39extern int  raw_proc_init(void);
  40extern void raw_proc_exit(void);
  41
  42struct raw_iter_state {
  43        struct seq_net_private p;
  44        int bucket;
  45        struct raw_hashinfo *h;
  46};
  47
  48static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
  49{
  50        return seq->private;
  51}
  52void *raw_seq_start(struct seq_file *seq, loff_t *pos);
  53void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
  54void raw_seq_stop(struct seq_file *seq, void *v);
  55int raw_seq_open(struct inode *ino, struct file *file,
  56                 struct raw_hashinfo *h, const struct seq_operations *ops);
  57
  58#endif
  59
  60void raw_hash_sk(struct sock *sk);
  61void raw_unhash_sk(struct sock *sk);
  62
  63struct raw_sock {
  64        /* inet_sock has to be the first member */
  65        struct inet_sock   inet;
  66        struct icmp_filter filter;
  67        u32                ipmr_table;
  68};
  69
  70static inline struct raw_sock *raw_sk(const struct sock *sk)
  71{
  72        return (struct raw_sock *)sk;
  73}
  74
  75#endif  /* _RAW_H */
  76
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