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 void raw_icmp_error(struct sk_buff *, int, u32);
27 int raw_local_deliver(struct sk_buff *, int);
28
29 int raw_rcv(struct sock *, struct sk_buff *);
30
31 #define RAW_HTABLE_SIZE MAX_INET_PROTOS
32
33 struct raw_hashinfo {
34 rwlock_t lock;
35 struct hlist_head ht[RAW_HTABLE_SIZE];
36 };
37
38 #ifdef CONFIG_PROC_FS
39 int raw_proc_init(void);
40 void raw_proc_exit(void);
41
42 struct raw_iter_state {
43 struct seq_net_private p;
44 int bucket;
45 struct raw_hashinfo *h;
46 };
47
raw_seq_private(struct seq_file * seq)48 static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
49 {
50 return seq->private;
51 }
52 void *raw_seq_start(struct seq_file *seq, loff_t *pos);
53 void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
54 void raw_seq_stop(struct seq_file *seq, void *v);
55 int raw_seq_open(struct inode *ino, struct file *file,
56 struct raw_hashinfo *h, const struct seq_operations *ops);
57
58 #endif
59
60 void raw_hash_sk(struct sock *sk);
61 void raw_unhash_sk(struct sock *sk);
62
63 struct 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
raw_sk(const struct sock * sk)70 static inline struct raw_sock *raw_sk(const struct sock *sk)
71 {
72 return (struct raw_sock *)sk;
73 }
74
75 #endif /* _RAW_H */
76