1 /* SPDX-License-Identifier: GPL-2.0-or-later */
3 * INET An implementation of the TCP/IP protocol suite for the LINUX
4 * operating system. INET is implemented using the BSD Socket
5 * interface as the means of communication with the user level.
7 * Definitions for the "ping" module.
13 #include <net/netns/hash.h>
15 /* PING_HTABLE_SIZE must be power of 2 */
16 #define PING_HTABLE_SIZE 64
17 #define PING_HTABLE_MASK (PING_HTABLE_SIZE-1)
19 #define ping_portaddr_for_each_entry(__sk, node, list) \
20 hlist_nulls_for_each_entry(__sk, node, list, sk_nulls_node)
23 * gid_t is either uint or ushort. We want to pass it to
24 * proc_dointvec_minmax(), so it must not be larger than MAX_INT
26 #define GID_T_MAX (((gid_t)~0U) >> 1)
28 /* Compatibility glue so we can support IPv6 when it's compiled as a module */
30 int (*ipv6_recv_error)(struct sock *sk, struct msghdr *msg, int len,
32 void (*ip6_datagram_recv_common_ctl)(struct sock *sk,
35 void (*ip6_datagram_recv_specific_ctl)(struct sock *sk,
38 int (*icmpv6_err_convert)(u8 type, u8 code, int *err);
39 void (*ipv6_icmp_error)(struct sock *sk, struct sk_buff *skb, int err,
40 __be16 port, u32 info, u8 *payload);
41 int (*ipv6_chk_addr)(struct net *net, const struct in6_addr *addr,
42 const struct net_device *dev, int strict);
45 struct ping_iter_state {
46 struct seq_net_private p;
51 extern struct proto ping_prot;
52 #if IS_ENABLED(CONFIG_IPV6)
53 extern struct pingv6_ops pingv6_ops;
63 int ping_get_port(struct sock *sk, unsigned short ident);
64 int ping_hash(struct sock *sk);
65 void ping_unhash(struct sock *sk);
67 int ping_init_sock(struct sock *sk);
68 void ping_close(struct sock *sk, long timeout);
69 int ping_bind(struct sock *sk, struct sockaddr *uaddr, int addr_len);
70 void ping_err(struct sk_buff *skb, int offset, u32 info);
71 int ping_getfrag(void *from, char *to, int offset, int fraglen, int odd,
74 int ping_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock,
75 int flags, int *addr_len);
76 int ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
77 void *user_icmph, size_t icmph_len);
78 int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
79 bool ping_rcv(struct sk_buff *skb);
82 void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family);
83 void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos);
84 void ping_seq_stop(struct seq_file *seq, void *v);
86 int __init ping_proc_init(void);
87 void ping_proc_exit(void);
90 void __init ping_init(void);
91 int __init pingv6_init(void);
92 void pingv6_exit(void);