include/linux/inet_diag.h

   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
   7 struct net;
   8 struct sock;
   9 struct inet_hashinfo;
  10 struct nlattr;
  11 struct nlmsghdr;
  12 struct sk_buff;
  13 struct netlink_callback;
  14
  15 struct 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
  43 struct inet_connection_sock;
  44 int 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);
  49 void 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);
  53 int 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
  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 int 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
  69 extern int  inet_diag_register(const struct inet_diag_handler *handler);
  70 extern void inet_diag_unregister(const struct inet_diag_handler *handler);
  71 #endif /* _INET_DIAG_H_ */