STRUCT SOCK_COMMON(9) Linux Networking STRUCT SOCK_COMMON(9)NAMEstruct_sock_common - minimal network layer representation of sockets
SYNOPSIS
struct sock_common {
union {unnamed_union};
atomic_t skc_refcnt;
unsigned int skc_hash;
unsigned short skc_family;
volatile unsigned char skc_state;
#ifndef __GENKSYMS__
unsigned char skc_reuse;
unsigned char skc_reuseport:4;
#else
unsigned char skc_reuse;
#endif
int skc_bound_dev_if;
struct hlist_node skc_bind_node;
struct proto * skc_prot;
#ifdef CONFIG_NET_NS
struct net * skc_net;
#endif
};
MEMBERS
{unnamed_union}
anonymous
skc_refcnt
reference count
skc_hash
hash value used with various protocol lookup tables
skc_family
network address family
skc_state
Connection state
skc_reuse
SO_REUSEADDR setting
skc_reuseport
SO_REUSEPORT setting
skc_reuse
SO_REUSEADDR setting
skc_bound_dev_if
bound device index if != 0
skc_bind_node
bind hash linkage for various protocol lookup tables
skc_prot
protocol handlers inside a network family
skc_net
reference to the network namespace of this socket
DESCRIPTION
This is the minimal network layer representation of sockets, the header
for struct sock and struct inet_timewait_sock.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 STRUCT SOCK_COMMON(9)