xref: /linux-6.15/include/linux/inet_diag.h (revision bb7e5ce7)
1 #ifndef _INET_DIAG_H_
2 #define _INET_DIAG_H_ 1
3 
4 #include <uapi/linux/inet_diag.h>
5 
6 struct net;
7 struct sock;
8 struct inet_hashinfo;
9 struct nlattr;
10 struct nlmsghdr;
11 struct sk_buff;
12 struct netlink_callback;
13 
14 struct inet_diag_handler {
15 	void		(*dump)(struct sk_buff *skb,
16 				struct netlink_callback *cb,
17 				const struct inet_diag_req_v2 *r,
18 				struct nlattr *bc);
19 
20 	int		(*dump_one)(struct sk_buff *in_skb,
21 				    const struct nlmsghdr *nlh,
22 				    const struct inet_diag_req_v2 *req);
23 
24 	void		(*idiag_get_info)(struct sock *sk,
25 					  struct inet_diag_msg *r,
26 					  void *info);
27 
28 	int		(*idiag_get_aux)(struct sock *sk,
29 					 bool net_admin,
30 					 struct sk_buff *skb);
31 
32 	size_t		(*idiag_get_aux_size)(struct sock *sk,
33 					      bool net_admin);
34 
35 	int		(*destroy)(struct sk_buff *in_skb,
36 				   const struct inet_diag_req_v2 *req);
37 
38 	__u16		idiag_type;
39 	__u16		idiag_info_size;
40 };
41 
42 struct inet_connection_sock;
43 int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
44 		      struct sk_buff *skb, const struct inet_diag_req_v2 *req,
45 		      struct user_namespace *user_ns,
46 		      u32 pid, u32 seq, u16 nlmsg_flags,
47 		      const struct nlmsghdr *unlh, bool net_admin);
48 void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
49 			 struct netlink_callback *cb,
50 			 const struct inet_diag_req_v2 *r,
51 			 struct nlattr *bc);
52 int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
53 			    struct sk_buff *in_skb, const struct nlmsghdr *nlh,
54 			    const struct inet_diag_req_v2 *req);
55 
56 struct sock *inet_diag_find_one_icsk(struct net *net,
57 				     struct inet_hashinfo *hashinfo,
58 				     const struct inet_diag_req_v2 *req);
59 
60 int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
61 
62 void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);
63 
64 int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
65 			     struct inet_diag_msg *r, int ext,
66 			     struct user_namespace *user_ns, bool net_admin);
67 
68 extern int  inet_diag_register(const struct inet_diag_handler *handler);
69 extern void inet_diag_unregister(const struct inet_diag_handler *handler);
70 #endif /* _INET_DIAG_H_ */
71