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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
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
Arnaldo Carvalho de Melo14c85022005-12-27 02:43:12 -020021#include <net/protocol.h>
Patrick McHardyf74e49b2010-04-13 05:03:18 +000022#include <linux/icmp.h>
Arnaldo Carvalho de Melo14c85022005-12-27 02:43:12 -020023
Linus Torvalds1da177e2005-04-16 15:20:36 -070024extern struct proto raw_prot;
25
Pavel Emelyanov7bc54c92007-11-19 22:35:07 -080026void raw_icmp_error(struct sk_buff *, int, u32);
27int raw_local_deliver(struct sk_buff *, int);
28
Joe Perches0ad6ad92013-09-22 10:32:19 -070029int raw_rcv(struct sock *, struct sk_buff *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070030
Pavel Emelyanovb673e4d2007-11-19 22:36:45 -080031#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
Arnaldo Carvalho de Melo20380732005-08-16 02:18:02 -030038#ifdef CONFIG_PROC_FS
Joe Perches0ad6ad92013-09-22 10:32:19 -070039int raw_proc_init(void);
40void raw_proc_exit(void);
Pavel Emelyanov42a73802007-11-19 22:38:33 -080041
42struct raw_iter_state {
Pavel Emelyanovf51d5992008-01-14 05:35:57 -080043 struct seq_net_private p;
Pavel Emelyanov42a73802007-11-19 22:38:33 -080044 int bucket;
Pavel Emelyanov42a73802007-11-19 22:38:33 -080045 struct raw_hashinfo *h;
46};
47
Joe Perchese3634162010-09-07 05:55:38 +000048static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
49{
50 return seq->private;
51}
Pavel Emelyanov42a73802007-11-19 22:38:33 -080052void *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);
Denis V. Lunev3046d762008-01-31 03:48:55 -080055int raw_seq_open(struct inode *ino, struct file *file,
56 struct raw_hashinfo *h, const struct seq_operations *ops);
Pavel Emelyanov42a73802007-11-19 22:38:33 -080057
Arnaldo Carvalho de Melo20380732005-08-16 02:18:02 -030058#endif
59
Pavel Emelyanovfc8717b2008-03-22 16:56:51 -070060void raw_hash_sk(struct sock *sk);
61void raw_unhash_sk(struct sock *sk);
Pavel Emelyanov65b4c502007-11-19 22:37:24 -080062
Patrick McHardyf74e49b2010-04-13 05:03:18 +000063struct raw_sock {
64 /* inet_sock has to be the first member */
65 struct inet_sock inet;
66 struct icmp_filter filter;
Patrick McHardyf0ad0862010-04-13 05:03:23 +000067 u32 ipmr_table;
Patrick McHardyf74e49b2010-04-13 05:03:18 +000068};
69
70static inline struct raw_sock *raw_sk(const struct sock *sk)
71{
72 return (struct raw_sock *)sk;
73}
74
Linus Torvalds1da177e2005-04-16 15:20:36 -070075#endif /* _RAW_H */