linux_dsm_epyc7002/include/net/ping.h
Thomas Gleixner 2874c5fd28 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 3029 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:32 -07:00

95 lines
2.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* 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.
*/
#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 msghdr *msg;
sa_family_t family;
__wsum wcheck;
};
int ping_get_port(struct sock *sk, unsigned short ident);
int 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 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_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
bool ping_rcv(struct sk_buff *skb);
#ifdef CONFIG_PROC_FS
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 __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 */