forked from mirrors/linux
c107761614
Expose all exisiting inet sockopt bits through inet_diag for debug purpose. Corresponding changes in iproute2 ss will be submitted to output all these values. Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Mahesh Bandewar <maheshb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
88 lines
2.7 KiB
C
88 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _INET_DIAG_H_
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#define _INET_DIAG_H_ 1
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#include <net/netlink.h>
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#include <uapi/linux/inet_diag.h>
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struct inet_hashinfo;
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struct inet_diag_handler {
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void (*dump)(struct sk_buff *skb,
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struct netlink_callback *cb,
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const struct inet_diag_req_v2 *r);
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int (*dump_one)(struct netlink_callback *cb,
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const struct inet_diag_req_v2 *req);
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void (*idiag_get_info)(struct sock *sk,
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struct inet_diag_msg *r,
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void *info);
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int (*idiag_get_aux)(struct sock *sk,
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bool net_admin,
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struct sk_buff *skb);
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size_t (*idiag_get_aux_size)(struct sock *sk,
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bool net_admin);
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int (*destroy)(struct sk_buff *in_skb,
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const struct inet_diag_req_v2 *req);
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__u16 idiag_type;
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__u16 idiag_info_size;
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};
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struct bpf_sk_storage_diag;
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struct inet_diag_dump_data {
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struct nlattr *req_nlas[__INET_DIAG_REQ_MAX];
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#define inet_diag_nla_bc req_nlas[INET_DIAG_REQ_BYTECODE]
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#define inet_diag_nla_bpf_stgs req_nlas[INET_DIAG_REQ_SK_BPF_STORAGES]
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struct bpf_sk_storage_diag *bpf_stg_diag;
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};
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struct inet_connection_sock;
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int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
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struct sk_buff *skb, struct netlink_callback *cb,
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const struct inet_diag_req_v2 *req,
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u16 nlmsg_flags, bool net_admin);
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void inet_diag_dump_icsk(struct inet_hashinfo *h, struct sk_buff *skb,
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struct netlink_callback *cb,
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const struct inet_diag_req_v2 *r);
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int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
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struct netlink_callback *cb,
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const struct inet_diag_req_v2 *req);
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struct sock *inet_diag_find_one_icsk(struct net *net,
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struct inet_hashinfo *hashinfo,
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const struct inet_diag_req_v2 *req);
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int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);
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void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);
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static inline size_t inet_diag_msg_attrs_size(void)
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{
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return nla_total_size(1) /* INET_DIAG_SHUTDOWN */
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+ nla_total_size(1) /* INET_DIAG_TOS */
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#if IS_ENABLED(CONFIG_IPV6)
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+ nla_total_size(1) /* INET_DIAG_TCLASS */
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+ nla_total_size(1) /* INET_DIAG_SKV6ONLY */
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#endif
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+ nla_total_size(4) /* INET_DIAG_MARK */
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+ nla_total_size(4) /* INET_DIAG_CLASS_ID */
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#ifdef CONFIG_SOCK_CGROUP_DATA
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+ nla_total_size_64bit(sizeof(u64)) /* INET_DIAG_CGROUP_ID */
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#endif
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+ nla_total_size(sizeof(struct inet_diag_sockopt))
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/* INET_DIAG_SOCKOPT */
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;
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}
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int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
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struct inet_diag_msg *r, int ext,
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struct user_namespace *user_ns, bool net_admin);
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extern int inet_diag_register(const struct inet_diag_handler *handler);
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extern void inet_diag_unregister(const struct inet_diag_handler *handler);
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#endif /* _INET_DIAG_H_ */
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