1 files changed, 62 insertions, 3 deletions

diff --git a/include/net/ping.h b/include/net/ping.h
index 682b5ae9af51..5db0224b73ac 100644
--- a/include/net/ping.h
+++ b/include/net/ping.h
@@ -13,6 +13,7 @@
 #ifndef _PING_H
 #define _PING_H
 
+#include <net/icmp.h>
 #include <net/netns/hash.h>
 
 /* PING_HTABLE_SIZE must be power of 2 */
@@ -28,6 +29,18 @@
  */
 #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 (*ip6_datagram_recv_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_table {
         struct hlist_nulls_head hash[PING_HTABLE_SIZE];
         rwlock_t                lock;
@@ -36,20 +49,66 @@ struct ping_table {
 struct ping_iter_state {
         struct seq_net_private  p;
         int                     bucket;
+        sa_family_t             family;
 };
 
 extern struct proto ping_prot;
+extern struct ping_table ping_table;
+#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 *);
 
-extern void ping_rcv(struct sk_buff *);
-extern void ping_err(struct sk_buff *, u32 info);
+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_v4_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
+                     size_t 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);
+void 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);
+
 extern int __init ping_proc_init(void);
 extern void ping_proc_exit(void);
 #endif
 
 void __init ping_init(void);
-
+int  __init pingv6_init(void);
+void pingv6_exit(void);
 
 #endif /* _PING_H */