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mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-09-04 20:19:47 +08:00
linux/net/unix/af_unix.h
Kuniyuki Iwashima 84960bf240 af_unix: Move internal definitions to net/unix/.
net/af_unix.h is included by core and some LSMs, but most definitions
need not be.

Let's move struct unix_{vertex,edge} to net/unix/garbage.c and other
definitions to net/unix/af_unix.h.

Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250318034934.86708-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-03-25 04:30:07 -07:00

76 lines
2.0 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __AF_UNIX_H
#define __AF_UNIX_H
#include <linux/uidgid.h>
#define UNIX_HASH_MOD (256 - 1)
#define UNIX_HASH_SIZE (256 * 2)
#define UNIX_HASH_BITS 8
#define unix_state_lock(s) spin_lock(&unix_sk(s)->lock)
#define unix_state_unlock(s) spin_unlock(&unix_sk(s)->lock)
struct sock *unix_peer_get(struct sock *sk);
struct unix_skb_parms {
struct pid *pid; /* skb credentials */
kuid_t uid;
kgid_t gid;
struct scm_fp_list *fp; /* Passed files */
#ifdef CONFIG_SECURITY_NETWORK
u32 secid; /* Security ID */
#endif
u32 consumed;
} __randomize_layout;
#define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb))
/* GC for SCM_RIGHTS */
extern unsigned int unix_tot_inflight;
void unix_add_edges(struct scm_fp_list *fpl, struct unix_sock *receiver);
void unix_del_edges(struct scm_fp_list *fpl);
void unix_update_edges(struct unix_sock *receiver);
int unix_prepare_fpl(struct scm_fp_list *fpl);
void unix_destroy_fpl(struct scm_fp_list *fpl);
void unix_gc(void);
void wait_for_unix_gc(struct scm_fp_list *fpl);
/* SOCK_DIAG */
long unix_inq_len(struct sock *sk);
long unix_outq_len(struct sock *sk);
/* sysctl */
#ifdef CONFIG_SYSCTL
int unix_sysctl_register(struct net *net);
void unix_sysctl_unregister(struct net *net);
#else
static inline int unix_sysctl_register(struct net *net)
{
return 0;
}
static inline void unix_sysctl_unregister(struct net *net)
{
}
#endif
/* BPF SOCKMAP */
int __unix_dgram_recvmsg(struct sock *sk, struct msghdr *msg, size_t size, int flags);
int __unix_stream_recvmsg(struct sock *sk, struct msghdr *msg, size_t size, int flags);
#ifdef CONFIG_BPF_SYSCALL
extern struct proto unix_dgram_proto;
extern struct proto unix_stream_proto;
int unix_dgram_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore);
int unix_stream_bpf_update_proto(struct sock *sk, struct sk_psock *psock, bool restore);
void __init unix_bpf_build_proto(void);
#else
static inline void __init unix_bpf_build_proto(void)
{
}
#endif
#endif