kernel_optimize_test/include/linux/inet_diag.h
Ivan Delalande b37e88407c inet_diag: allow protocols to provide additional data
Extend inet_diag_handler to allow individual protocols to report
additional data on INET_DIAG_INFO through idiag_get_aux. The size
can be dynamic and is computed by idiag_get_aux_size.

Signed-off-by: Ivan Delalande <colona@arista.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-09-01 18:38:09 -07:00

71 lines
2.1 KiB
C

#ifndef _INET_DIAG_H_
#define _INET_DIAG_H_ 1
#include <uapi/linux/inet_diag.h>
struct net;
struct sock;
struct inet_hashinfo;
struct nlattr;
struct nlmsghdr;
struct sk_buff;
struct netlink_callback;
struct inet_diag_handler {
void (*dump)(struct sk_buff *skb,
struct netlink_callback *cb,
const struct inet_diag_req_v2 *r,
struct nlattr *bc);
int (*dump_one)(struct sk_buff *in_skb,
const struct nlmsghdr *nlh,
const struct inet_diag_req_v2 *req);
void (*idiag_get_info)(struct sock *sk,
struct inet_diag_msg *r,
void *info);
int (*idiag_get_aux)(struct sock *sk,
bool net_admin,
struct sk_buff *skb);
size_t (*idiag_get_aux_size)(struct sock *sk,
bool net_admin);
int (*destroy)(struct sk_buff *in_skb,
const struct inet_diag_req_v2 *req);
__u16 idiag_type;
__u16 idiag_info_size;
};
struct inet_connection_sock;
int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
struct sk_buff *skb, const struct inet_diag_req_v2 *req,
struct user_namespace *user_ns,
u32 pid, u32 seq, u16 nlmsg_flags,
const struct nlmsghdr *unlh, bool net_admin);
void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
struct netlink_callback *cb,
const struct inet_diag_req_v2 *r,
struct nlattr *bc);
int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
struct sk_buff *in_skb, const struct nlmsghdr *nlh,
const struct inet_diag_req_v2 *req);
struct sock *inet_diag_find_one_icsk(struct net *net,
struct inet_hashinfo *hashinfo,
const struct inet_diag_req_v2 *req);
int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);
int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
struct inet_diag_msg *r, int ext,
struct user_namespace *user_ns, bool net_admin);
extern int inet_diag_register(const struct inet_diag_handler *handler);
extern void inet_diag_unregister(const struct inet_diag_handler *handler);
#endif /* _INET_DIAG_H_ */