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b37e88407c
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>
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
#ifndef _INET_DIAG_H_
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#define _INET_DIAG_H_ 1
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#include <uapi/linux/inet_diag.h>
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struct net;
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struct sock;
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struct inet_hashinfo;
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struct nlattr;
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struct nlmsghdr;
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struct sk_buff;
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struct netlink_callback;
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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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struct nlattr *bc);
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int (*dump_one)(struct sk_buff *in_skb,
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const struct nlmsghdr *nlh,
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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 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, const struct inet_diag_req_v2 *req,
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struct user_namespace *user_ns,
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u32 pid, u32 seq, u16 nlmsg_flags,
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const struct nlmsghdr *unlh, 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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struct nlattr *bc);
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int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo,
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struct sk_buff *in_skb, const struct nlmsghdr *nlh,
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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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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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