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
24 extern struct proto raw_prot;
25
26 extern struct raw_hashinfo raw_v4_hashinfo;
27 struct sock *__raw_v4_lookup(struct net *net, struct sock *sk,
28 unsigned short num, __be32 raddr,
29 __be32 laddr, int dif, int sdif);
30
31 int raw_abort(struct sock *sk, int err);
32 void raw_icmp_error(struct sk_buff *, int, u32);
33 int raw_local_deliver(struct sk_buff *, int);
34
35 int raw_rcv(struct sock *, struct sk_buff *);
36
37 #define RAW_HTABLE_SIZE MAX_INET_PROTOS
38
39 struct raw_hashinfo {
40 rwlock_t lock;
41 struct hlist_head ht[RAW_HTABLE_SIZE];
42 };
43
44 #ifdef CONFIG_PROC_FS
45 int raw_proc_init(void);
46 void raw_proc_exit(void);
47
48 struct raw_iter_state {
49 struct seq_net_private p;
50 int bucket;
51 };
52
raw_seq_private(struct seq_file * seq)53 static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
54 {
55 return seq->private;
56 }
57 void *raw_seq_start(struct seq_file *seq, loff_t *pos);
58 void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
59 void raw_seq_stop(struct seq_file *seq, void *v);
60 #endif
61
62 int raw_hash_sk(struct sock *sk);
63 void raw_unhash_sk(struct sock *sk);
64
65 struct raw_sock {
66 /* inet_sock has to be the first member */
67 struct inet_sock inet;
68 struct icmp_filter filter;
69 u32 ipmr_table;
70 };
71
raw_sk(const struct sock * sk)72 static inline struct raw_sock *raw_sk(const struct sock *sk)
73 {
74 return (struct raw_sock *)sk;
75 }
76
77 #endif /* _RAW_H */
78