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| 2 | |
| 3 | * INET An implementation of the TCP/IP protocol suite for the LINUX
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| 4 | * operating system. INET is implemented using the BSD Socket
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| 5 | * interface as the means of communication with the user level.
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| 6 | *
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| 7 | * Definitions for the "ping" module.
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| 8 |
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| 9 | #ifndef _PING_H
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| 10 | #define _PING_H
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| 11 |
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| 12 | #include <net/icmp.h>
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| 13 | #include <net/netns/hash.h>
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| 14 |
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| 15 |
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| 16 | #define PING_HTABLE_SIZE 64
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| 17 | #define PING_HTABLE_MASK (PING_HTABLE_SIZE-1)
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| 18 |
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| 19 | #define GID_T_MAX (((gid_t)~0U) - 1)
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| 20 |
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| 21 |
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| 22 | struct pingv6_ops {
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| 23 | int (*ipv6_recv_error)(struct sock *sk, struct msghdr *msg, int len);
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| 24 | void (*ip6_datagram_recv_common_ctl)(struct sock *sk,
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| 25 | struct msghdr *msg,
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| 26 | struct sk_buff *skb);
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| 27 | void (*ip6_datagram_recv_specific_ctl)(struct sock *sk,
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| 28 | struct msghdr *msg,
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| 29 | struct sk_buff *skb);
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| 30 | int (*icmpv6_err_convert)(u8 type, u8 code, int *err);
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| 31 | void (*ipv6_icmp_error)(struct sock *sk, struct sk_buff *skb, int err,
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| 32 | __be16 port, u32 info, u8 *payload);
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| 33 | int (*ipv6_chk_addr)(struct net *net, const struct in6_addr *addr,
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| 34 | const struct net_device *dev, int strict);
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| 35 | };
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| 36 |
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| 37 | struct ping_iter_state {
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| 38 | struct seq_net_private p;
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| 39 | int bucket;
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| 40 | sa_family_t family;
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| 41 | };
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| 42 |
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| 43 | extern struct proto ping_prot;
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| 44 | #if IS_ENABLED(CONFIG_IPV6)
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| 45 | extern struct pingv6_ops pingv6_ops;
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| 46 | #endif
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| 47 |
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| 48 | struct pingfakehdr {
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| 49 | struct icmphdr icmph;
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| 50 | struct msghdr *msg;
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| 51 | sa_family_t family;
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| 52 | __wsum wcheck;
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| 53 | };
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| 54 |
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| 55 | int ping_get_port(struct sock *sk, unsigned short ident);
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| 56 | void ping_unhash(struct sock *sk);
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| 57 |
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| 58 | int ping_init_sock(struct sock *sk);
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| 59 | void ping_close(struct sock *sk, long timeout);
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| 60 | int ping_bind(struct sock *sk, struct sockaddr_unsized *uaddr, int addr_len);
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| 61 | void ping_err(struct sk_buff *skb, int offset, u32 info);
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| 62 | int ping_getfrag(void *from, char *to, int offset, int fraglen, int odd,
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| 63 | struct sk_buff *);
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| 64 |
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| 65 | int ping_recvmsg(struct sock *sk, struct msghdr *msg, size_t len,
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| 66 | int flags);
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| 67 | int ping_common_sendmsg(int family, struct msghdr *msg, size_t len,
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| 68 | void *user_icmph, size_t icmph_len);
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| 69 | int ping_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
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| 70 | enum skb_drop_reason ping_rcv(struct sk_buff *skb);
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| 71 |
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| 72 | #ifdef CONFIG_PROC_FS
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| 73 | void *ping_seq_start(struct seq_file *seq, loff_t *pos, sa_family_t family);
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| 74 | void *ping_seq_next(struct seq_file *seq, void *v, loff_t *pos);
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| 75 | void ping_seq_stop(struct seq_file *seq, void *v);
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| 76 |
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| 77 | int __init ping_proc_init(void);
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| 78 | void ping_proc_exit(void);
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| 79 | #endif
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| 80 |
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| 81 | void __init ping_init(void);
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| 82 | int __init pingv6_init(void);
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| 83 | void pingv6_exit(void);
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| 84 |
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| 85 | #endif
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