/* 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 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, conststruct in6_addr *addr, conststruct net_device *dev, int strict);
};
int ping_get_port(struct sock *sk, unsignedshort 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 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); enum skb_drop_reason ping_rcv(struct sk_buff *skb);
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