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v3.1
 
 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 */
v5.9
 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 4 *		operating system.  INET is implemented using the  BSD Socket
 5 *		interface as the means of communication with the user level.
 6 *
 7 *		Definitions for the RAW-IP module.
 8 *
 9 * Version:	@(#)raw.h	1.0.2	05/07/93
10 *
11 * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 
 
 
 
 
12 */
13#ifndef _RAW_H
14#define _RAW_H
15
16#include <net/inet_sock.h>
17#include <net/protocol.h>
18#include <linux/icmp.h>
19
20extern struct proto raw_prot;
21
22extern struct raw_hashinfo raw_v4_hashinfo;
23struct sock *__raw_v4_lookup(struct net *net, struct sock *sk,
24			     unsigned short num, __be32 raddr,
25			     __be32 laddr, int dif, int sdif);
26
27int raw_abort(struct sock *sk, int err);
28void raw_icmp_error(struct sk_buff *, int, u32);
29int raw_local_deliver(struct sk_buff *, int);
30
31int raw_rcv(struct sock *, struct sk_buff *);
32
33#define RAW_HTABLE_SIZE	MAX_INET_PROTOS
34
35struct raw_hashinfo {
36	rwlock_t lock;
37	struct hlist_head ht[RAW_HTABLE_SIZE];
38};
39
40#ifdef CONFIG_PROC_FS
41int raw_proc_init(void);
42void raw_proc_exit(void);
43
44struct raw_iter_state {
45	struct seq_net_private p;
46	int bucket;
 
47};
48
49static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
50{
51	return seq->private;
52}
53void *raw_seq_start(struct seq_file *seq, loff_t *pos);
54void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
55void raw_seq_stop(struct seq_file *seq, void *v);
 
 
 
56#endif
57
58int raw_hash_sk(struct sock *sk);
59void raw_unhash_sk(struct sock *sk);
60void raw_init(void);
61
62struct raw_sock {
63	/* inet_sock has to be the first member */
64	struct inet_sock   inet;
65	struct icmp_filter filter;
66	u32		   ipmr_table;
67};
68
69static inline struct raw_sock *raw_sk(const struct sock *sk)
70{
71	return (struct raw_sock *)sk;
72}
73
74static inline bool raw_sk_bound_dev_eq(struct net *net, int bound_dev_if,
75				       int dif, int sdif)
76{
77#if IS_ENABLED(CONFIG_NET_L3_MASTER_DEV)
78	return inet_bound_dev_eq(!!net->ipv4.sysctl_raw_l3mdev_accept,
79				 bound_dev_if, dif, sdif);
80#else
81	return inet_bound_dev_eq(true, bound_dev_if, dif, sdif);
82#endif
83}
84
85#endif	/* _RAW_H */