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 extern 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 extern int raw_proc_init(void); 40 extern 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