LXR linux/include/linux/inet

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#ifndef _INET_DIAG_H_
   3#define _INET_DIAG_H_ 1
   4
   5#include <uapi/linux/inet_diag.h>
   6
   7struct net;
   8struct sock;
   9struct inet_hashinfo;
  10struct nlattr;
  11struct nlmsghdr;
  12struct sk_buff;
  13struct netlink_callback;
  14
  15struct inet_diag_handler {
  16        void            (*dump)(struct sk_buff *skb,
  17                                struct netlink_callback *cb,
  18                                const struct inet_diag_req_v2 *r,
  19                                struct nlattr *bc);
  20
  21        int             (*dump_one)(struct sk_buff *in_skb,
  22                                    const struct nlmsghdr *nlh,
  23                                    const struct inet_diag_req_v2 *req);
  24
  25        void            (*idiag_get_info)(struct sock *sk,
  26                                          struct inet_diag_msg *r,
  27                                          void *info);
  28
  29        int             (*idiag_get_aux)(struct sock *sk,
  30                                         bool net_admin,
  31                                         struct sk_buff *skb);
  32
  33        size_t          (*idiag_get_aux_size)(struct sock *sk,
  34                                              bool net_admin);
  35
  36        int             (*destroy)(struct sk_buff *in_skb,
  37                                   const struct inet_diag_req_v2 *req);
  38
  39        __u16           idiag_type;
  40        __u16           idiag_info_size;
  41};
  42
  43struct inet_connection_sock;
  44int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
  45                      struct sk_buff *skb, const struct inet_diag_req_v2 *req,
  46                      struct user_namespace *user_ns,
  47                      u32 pid, u32 seq, u16 nlmsg_flags,
  48                      const struct nlmsghdr *unlh, bool net_admin);
  49void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
  50                         struct netlink_callback *cb,
  51                         const struct inet_diag_req_v2 *r,
  52                         struct nlattr *bc);
  53int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
  54                            struct sk_buff *in_skb, const struct nlmsghdr *nlh,
  55                            const struct inet_diag_req_v2 *req);
  56
  57struct sock *inet_diag_find_one_icsk(struct net *net,
  58                                     struct inet_hashinfo *hashinfo,
  59                                     const struct inet_diag_req_v2 *req);
  60
  61int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
  62
  63void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);
  64
  65int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
  66                             struct inet_diag_msg *r, int ext,
  67                             struct user_namespace *user_ns, bool net_admin);
  68
  69extern int  inet_diag_register(const struct inet_diag_handler *handler);
  70extern void inet_diag_unregister(const struct inet_diag_handler *handler);
  71#endif /* _INET_DIAG_H_ */
  72