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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
---|---|
2 | #ifndef _INET_DIAG_H_ |
3 | #define _INET_DIAG_H_ 1 |
4 | |
5 | #include <net/netlink.h> |
6 | #include <uapi/linux/inet_diag.h> |
7 | |
8 | struct inet_hashinfo; |
9 | |
10 | struct inet_diag_handler { |
11 | void (*dump)(struct sk_buff *skb, |
12 | struct netlink_callback *cb, |
13 | const struct inet_diag_req_v2 *r); |
14 | |
15 | int (*dump_one)(struct netlink_callback *cb, |
16 | const struct inet_diag_req_v2 *req); |
17 | |
18 | void (*idiag_get_info)(struct sock *sk, |
19 | struct inet_diag_msg *r, |
20 | void *info); |
21 | |
22 | int (*idiag_get_aux)(struct sock *sk, |
23 | bool net_admin, |
24 | struct sk_buff *skb); |
25 | |
26 | size_t (*idiag_get_aux_size)(struct sock *sk, |
27 | bool net_admin); |
28 | |
29 | int (*destroy)(struct sk_buff *in_skb, |
30 | const struct inet_diag_req_v2 *req); |
31 | |
32 | __u16 idiag_type; |
33 | __u16 idiag_info_size; |
34 | }; |
35 | |
36 | struct bpf_sk_storage_diag; |
37 | struct inet_diag_dump_data { |
38 | struct nlattr *req_nlas[__INET_DIAG_REQ_MAX]; |
39 | #define inet_diag_nla_bc req_nlas[INET_DIAG_REQ_BYTECODE] |
40 | #define inet_diag_nla_bpf_stgs req_nlas[INET_DIAG_REQ_SK_BPF_STORAGES] |
41 | |
42 | struct bpf_sk_storage_diag *bpf_stg_diag; |
43 | }; |
44 | |
45 | struct inet_connection_sock; |
46 | int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk, |
47 | struct sk_buff *skb, struct netlink_callback *cb, |
48 | const struct inet_diag_req_v2 *req, |
49 | u16 nlmsg_flags, bool net_admin); |
50 | void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb, |
51 | struct netlink_callback *cb, |
52 | const struct inet_diag_req_v2 *r); |
53 | int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, |
54 | struct netlink_callback *cb, |
55 | const struct inet_diag_req_v2 *req); |
56 | |
57 | struct sock *inet_diag_find_one_icsk(struct net *net, |
58 | struct inet_hashinfo *hashinfo, |
59 | const struct inet_diag_req_v2 *req); |
60 | |
61 | int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk); |
62 | |
63 | void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk); |
64 | |
65 | static inline size_t inet_diag_msg_attrs_size(void) |
66 | { |
67 | return nla_total_size(1) /* INET_DIAG_SHUTDOWN */ |
68 | + nla_total_size(1) /* INET_DIAG_TOS */ |
69 | #if IS_ENABLED(CONFIG_IPV6) |
70 | + nla_total_size(1) /* INET_DIAG_TCLASS */ |
71 | + nla_total_size(1) /* INET_DIAG_SKV6ONLY */ |
72 | #endif |
73 | + nla_total_size(4) /* INET_DIAG_MARK */ |
74 | + nla_total_size(4) /* INET_DIAG_CLASS_ID */ |
75 | #ifdef CONFIG_SOCK_CGROUP_DATA |
76 | + nla_total_size_64bit(sizeof(u64)) /* INET_DIAG_CGROUP_ID */ |
77 | #endif |
78 | + nla_total_size(sizeof(struct inet_diag_sockopt)) |
79 | /* INET_DIAG_SOCKOPT */ |
80 | ; |
81 | } |
82 | int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb, |
83 | struct inet_diag_msg *r, int ext, |
84 | struct user_namespace *user_ns, bool net_admin); |
85 | |
86 | extern int inet_diag_register(const struct inet_diag_handler *handler); |
87 | extern void inet_diag_unregister(const struct inet_diag_handler *handler); |
88 | #endif /* _INET_DIAG_H_ */ |
89 |
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