1 #ifndef __SOCK_DIAG_H__
2 #define __SOCK_DIAG_H__
3 
4 #include <linux/types.h>
5 
6 #define SOCK_DIAG_BY_FAMILY 20
7 
8 struct sock_diag_req {
9 	__u8	sdiag_family;
10 	__u8	sdiag_protocol;
11 };
12 
13 enum {
14 	SK_MEMINFO_RMEM_ALLOC,
15 	SK_MEMINFO_RCVBUF,
16 	SK_MEMINFO_WMEM_ALLOC,
17 	SK_MEMINFO_SNDBUF,
18 	SK_MEMINFO_FWD_ALLOC,
19 	SK_MEMINFO_WMEM_QUEUED,
20 	SK_MEMINFO_OPTMEM,
21 
22 	SK_MEMINFO_VARS,
23 };
24 
25 #ifdef __KERNEL__
26 struct sk_buff;
27 struct nlmsghdr;
28 struct sock;
29 
30 struct sock_diag_handler {
31 	__u8 family;
32 	int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh);
33 };
34 
35 int sock_diag_register(struct sock_diag_handler *h);
36 void sock_diag_unregister(struct sock_diag_handler *h);
37 
38 void sock_diag_register_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
39 void sock_diag_unregister_inet_compat(int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh));
40 
41 int sock_diag_check_cookie(void *sk, __u32 *cookie);
42 void sock_diag_save_cookie(void *sk, __u32 *cookie);
43 
44 int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attr);
45 
46 extern struct sock *sock_diag_nlsk;
47 #endif /* KERNEL */
48 #endif
49