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- /* SPDX-License-Identifier: GPL-2.0 */
- #ifndef _INET_DIAG_H_
- #define _INET_DIAG_H_ 1
- #include <net/netlink.h>
- #include <uapi/linux/inet_diag.h>
- struct inet_hashinfo;
- struct inet_diag_handler {
- void (*dump)(struct sk_buff *skb,
- struct netlink_callback *cb,
- const struct inet_diag_req_v2 *r);
- int (*dump_one)(struct netlink_callback *cb,
- 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 bpf_sk_storage_diag;
- struct inet_diag_dump_data {
- struct nlattr *req_nlas[__INET_DIAG_REQ_MAX];
- #define inet_diag_nla_bc req_nlas[INET_DIAG_REQ_BYTECODE]
- #define inet_diag_nla_bpf_stgs req_nlas[INET_DIAG_REQ_SK_BPF_STORAGES]
- struct bpf_sk_storage_diag *bpf_stg_diag;
- };
- struct inet_connection_sock;
- int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
- struct sk_buff *skb, struct netlink_callback *cb,
- const struct inet_diag_req_v2 *req,
- u16 nlmsg_flags, 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);
- int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
- struct netlink_callback *cb,
- 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);
- static inline size_t inet_diag_msg_attrs_size(void)
- {
- return nla_total_size(1) /* INET_DIAG_SHUTDOWN */
- + nla_total_size(1) /* INET_DIAG_TOS */
- #if IS_ENABLED(CONFIG_IPV6)
- + nla_total_size(1) /* INET_DIAG_TCLASS */
- + nla_total_size(1) /* INET_DIAG_SKV6ONLY */
- #endif
- + nla_total_size(4) /* INET_DIAG_MARK */
- + nla_total_size(4) /* INET_DIAG_CLASS_ID */
- #ifdef CONFIG_SOCK_CGROUP_DATA
- + nla_total_size_64bit(sizeof(u64)) /* INET_DIAG_CGROUP_ID */
- #endif
- + nla_total_size(sizeof(struct inet_diag_sockopt))
- /* INET_DIAG_SOCKOPT */
- ;
- }
- 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_ */
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