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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100/* SPDX-License-Identifier: GPL-2.0 */#ifndef __SOCK_DIAG_H__#define __SOCK_DIAG_H__
#include <linux/netlink.h>#include <linux/user_namespace.h>#include <net/net_namespace.h>#include <net/sock.h>#include <uapi/linux/sock_diag.h>
struct sk_buff;struct nlmsghdr;struct sock;
struct sock_diag_handler { struct module *owner; __u8 family; int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh); int (*get_info)(struct sk_buff *skb, struct sock *sk); int (*destroy)(struct sk_buff *skb, struct nlmsghdr *nlh);};
int sock_diag_register(const struct sock_diag_handler *h);void sock_diag_unregister(const struct sock_diag_handler *h);
struct sock_diag_inet_compat { struct module *owner; int (*fn)(struct sk_buff *skb, struct nlmsghdr *nlh);};
void sock_diag_register_inet_compat(const struct sock_diag_inet_compat *ptr);void sock_diag_unregister_inet_compat(const struct sock_diag_inet_compat *ptr);
u64 __sock_gen_cookie(struct sock *sk);
static inline u64 sock_gen_cookie(struct sock *sk){ u64 cookie;
preempt_disable(); cookie = __sock_gen_cookie(sk); preempt_enable();
return cookie;}
int sock_diag_check_cookie(struct sock *sk, const __u32 *cookie);void sock_diag_save_cookie(struct sock *sk, __u32 *cookie);
int sock_diag_put_meminfo(struct sock *sk, struct sk_buff *skb, int attr);int sock_diag_put_filterinfo(bool may_report_filterinfo, struct sock *sk, struct sk_buff *skb, int attrtype);
static inlineenum sknetlink_groups sock_diag_destroy_group(const struct sock *sk){ switch (sk->sk_family) { case AF_INET: if (sk->sk_type == SOCK_RAW) return SKNLGRP_NONE;
switch (sk->sk_protocol) { case IPPROTO_TCP: return SKNLGRP_INET_TCP_DESTROY; case IPPROTO_UDP: return SKNLGRP_INET_UDP_DESTROY; default: return SKNLGRP_NONE; } case AF_INET6: if (sk->sk_type == SOCK_RAW) return SKNLGRP_NONE;
switch (sk->sk_protocol) { case IPPROTO_TCP: return SKNLGRP_INET6_TCP_DESTROY; case IPPROTO_UDP: return SKNLGRP_INET6_UDP_DESTROY; default: return SKNLGRP_NONE; } default: return SKNLGRP_NONE; }}
static inlinebool sock_diag_has_destroy_listeners(const struct sock *sk){ const struct net *n = sock_net(sk); const enum sknetlink_groups group = sock_diag_destroy_group(sk);
return group != SKNLGRP_NONE && n->diag_nlsk && netlink_has_listeners(n->diag_nlsk, group);}void sock_diag_broadcast_destroy(struct sock *sk);
int sock_diag_destroy(struct sock *sk, int err);#endif