112 строки
3.6 KiB
C
112 строки
3.6 KiB
C
/*
|
|
* 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 "ping" module.
|
|
*
|
|
* 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 _PING_H
|
|
#define _PING_H
|
|
|
|
#include <net/icmp.h>
|
|
#include <net/netns/hash.h>
|
|
|
|
/* PING_HTABLE_SIZE must be power of 2 */
|
|
#define PING_HTABLE_SIZE 64
|
|
#define PING_HTABLE_MASK (PING_HTABLE_SIZE-1)
|
|
|
|
#define ping_portaddr_for_each_entry(__sk, node, list) \
|
|
hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
|
|
|
|
/*
|
|
* gid_t is either uint or ushort. We want to pass it to
|
|
* proc_dointvec_minmax(), so it must not be larger than MAX_INT
|
|
*/
|
|
#define GID_T_MAX (((gid_t)~0U) >> 1)
|
|
|
|
/* Compatibility glue so we can support IPv6 when it's compiled as a module */
|
|
struct pingv6_ops {
|
|
int (*ipv6_recv_error)(struct sock *sk, struct msghdr *msg, int len,
|
|
int *addr_len);
|
|
void (*ip6_datagram_recv_common_ctl)(struct sock *sk,
|
|
struct msghdr *msg,
|
|
struct sk_buff *skb);
|
|
void (*ip6_datagram_recv_specific_ctl)(struct sock *sk,
|
|
struct msghdr *msg,
|
|
struct sk_buff *skb);
|
|
int (*icmpv6_err_convert)(u8 type, u8 code, int *err);
|
|
void (*ipv6_icmp_error)(struct sock *sk, struct sk_buff *skb, int err,
|
|
__be16 port, u32 info, u8 *payload);
|
|
int (*ipv6_chk_addr)(struct net *net, const struct in6_addr *addr,
|
|
const struct net_device *dev, int strict);
|
|
};
|
|
|
|
struct ping_iter_state {
|
|
struct seq_net_private p;
|
|
int bucket;
|
|
sa_family_t family;
|
|
};
|
|
|
|
extern struct proto ping_prot;
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
extern struct pingv6_ops pingv6_ops;
|
|
#endif
|
|
|
|
struct pingfakehdr {
|
|
struct icmphdr icmph;
|
|
struct iovec *iov;
|
|
sa_family_t family;
|
|
__wsum wcheck;
|
|
};
|
|
|
|
int ping_get_port(struct sock *sk, unsigned short ident);
|
|
void ping_hash(struct sock *sk);
|
|
void ping_unhash(struct sock *sk);
|
|
|
|
int ping_init_sock(struct sock *sk);
|
|
void ping_close(struct sock *sk, long timeout);
|
|
int ping_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len);
|
|
void ping_err(struct sk_buff *skb, int offset, u32 info);
|
|
int ping_getfrag(void *from, char *to, int offset, int fraglen, int odd,
|
|
struct sk_buff *);
|
|
|
|
int ping_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
|
|
size_t len, int noblock, int flags, int *addr_len);
|
|
int ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
|
|
void *user_icmph, size_t icmph_len);
|
|
int ping_v6_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
|
|
size_t len);
|
|
int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
|
|
bool ping_rcv(struct sk_buff *skb);
|
|
|
|
#ifdef CONFIG_PROC_FS
|
|
struct ping_seq_afinfo {
|
|
char *name;
|
|
sa_family_t family;
|
|
const struct file_operations *seq_fops;
|
|
const struct seq_operations seq_ops;
|
|
};
|
|
|
|
extern const struct file_operations ping_seq_fops;
|
|
|
|
void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family);
|
|
void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos);
|
|
void ping_seq_stop(struct seq_file *seq, void *v);
|
|
int ping_proc_register(struct net *net, struct ping_seq_afinfo *afinfo);
|
|
void ping_proc_unregister(struct net *net, struct ping_seq_afinfo *afinfo);
|
|
|
|
int __init ping_proc_init(void);
|
|
void ping_proc_exit(void);
|
|
#endif
|
|
|
|
void __init ping_init(void);
|
|
int __init pingv6_init(void);
|
|
void pingv6_exit(void);
|
|
|
|
#endif /* _PING_H */
|