root/include/net/raw.h

DEFINITIONS

1. raw_seq_private
2. raw_sk

/*
 * INET         An implementation of the TCP/IP protocol suite for the LINUX
 *              operating system.  INET is implemented using the  BSD Socket
 *              interface as the means of communication with the user level.
 *
 *              Definitions for the RAW-IP module.
 *
 * Version:     @(#)raw.h       1.0.2   05/07/93
 *
 * Author:      Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 *
 *              This program is free software; you can redistribute it and/or
 *              modify it under the terms of the GNU General Public License
 *              as published by the Free Software Foundation; either version
 *              2 of the License, or (at your option) any later version.
 */
#ifndef _RAW_H
#define _RAW_H


#include <net/protocol.h>
#include <linux/icmp.h>

extern struct proto raw_prot;

void raw_icmp_error(struct sk_buff *, int, u32);
int raw_local_deliver(struct sk_buff *, int);

int raw_rcv(struct sock *, struct sk_buff *);

#define RAW_HTABLE_SIZE MAX_INET_PROTOS

struct raw_hashinfo {
        rwlock_t lock;
        struct hlist_head ht[RAW_HTABLE_SIZE];
};

#ifdef CONFIG_PROC_FS
int raw_proc_init(void);
void raw_proc_exit(void);

struct raw_iter_state {
        struct seq_net_private p;
        int bucket;
        struct raw_hashinfo *h;
};

static inline struct raw_iter_state *raw_seq_private(struct seq_file *seq)
{
        return seq->private;
}
void *raw_seq_start(struct seq_file *seq, loff_t *pos);
void *raw_seq_next(struct seq_file *seq, void *v, loff_t *pos);
void raw_seq_stop(struct seq_file *seq, void *v);
int raw_seq_open(struct inode *ino, struct file *file,
                 struct raw_hashinfo *h, const struct seq_operations *ops);

#endif

void raw_hash_sk(struct sock *sk);
void raw_unhash_sk(struct sock *sk);

struct raw_sock {
        /* inet_sock has to be the first member */
        struct inet_sock   inet;
        struct icmp_filter filter;
        u32                ipmr_table;
};

static inline struct raw_sock *raw_sk(const struct sock *sk)
{
        return (struct raw_sock *)sk;
}

#endif  /* _RAW_H */