/**
* struct sock_common - minimal network layer representation of sockets
+ * @skc_node: main hash linkage for various protocol lookup tables
+ * @skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
+ * @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_bound_dev_if: bound device index if != 0
- * @skc_node: main hash linkage for various protocol lookup tables
- * @skc_nulls_node: main hash linkage for UDP/UDP-Lite protocol
* @skc_bind_node: bind hash linkage for various protocol lookup tables
- * @skc_refcnt: reference count
- * @skc_hash: hash value used with various protocol lookup tables
* @skc_prot: protocol handlers inside a network family
* @skc_net: reference to the network namespace of this socket
*
* for struct sock and struct inet_timewait_sock.
*/
struct sock_common {
- unsigned short skc_family;
- volatile unsigned char skc_state;
- unsigned char skc_reuse;
- int skc_bound_dev_if;
+ /*
+ * first fields are not copied in sock_copy()
+ */
union {
struct hlist_node skc_node;
struct hlist_nulls_node skc_nulls_node;
};
- struct hlist_node skc_bind_node;
atomic_t skc_refcnt;
+
unsigned int skc_hash;
+ unsigned short skc_family;
+ volatile unsigned char skc_state;
+ unsigned char skc_reuse;
+ int skc_bound_dev_if;
+ struct hlist_node skc_bind_node;
struct proto *skc_prot;
#ifdef CONFIG_NET_NS
struct net *skc_net;
* don't add nothing before this first member (__sk_common) --acme
*/
struct sock_common __sk_common;
+#define sk_node __sk_common.skc_node
+#define sk_nulls_node __sk_common.skc_nulls_node
+#define sk_refcnt __sk_common.skc_refcnt
+
+#define sk_copy_start __sk_common.skc_hash
+#define sk_hash __sk_common.skc_hash
#define sk_family __sk_common.skc_family
#define sk_state __sk_common.skc_state
#define sk_reuse __sk_common.skc_reuse
#define sk_bound_dev_if __sk_common.skc_bound_dev_if
-#define sk_node __sk_common.skc_node
-#define sk_nulls_node __sk_common.skc_nulls_node
#define sk_bind_node __sk_common.skc_bind_node
-#define sk_refcnt __sk_common.skc_refcnt
-#define sk_hash __sk_common.skc_hash
#define sk_prot __sk_common.skc_prot
#define sk_net __sk_common.skc_net
kmemcheck_bitfield_begin(flags);
void (*shutdown)(struct sock *sk, int how);
int (*setsockopt)(struct sock *sk, int level,
int optname, char __user *optval,
- int optlen);
+ unsigned int optlen);
int (*getsockopt)(struct sock *sk, int level,
int optname, char __user *optval,
int __user *option);
int (*compat_setsockopt)(struct sock *sk,
int level,
int optname, char __user *optval,
- int optlen);
+ unsigned int optlen);
int (*compat_getsockopt)(struct sock *sk,
int level,
int optname, char __user *optval,
extern int sock_setsockopt(struct socket *sock, int level,
int op, char __user *optval,
- int optlen);
+ unsigned int optlen);
extern int sock_getsockopt(struct socket *sock, int level,
int op, char __user *optval,
extern int sock_no_getsockopt(struct socket *, int , int,
char __user *, int __user *);
extern int sock_no_setsockopt(struct socket *, int, int,
- char __user *, int);
+ char __user *, unsigned int);
extern int sock_no_sendmsg(struct kiocb *, struct socket *,
struct msghdr *, size_t);
extern int sock_no_recvmsg(struct kiocb *, struct socket *,
extern int sock_common_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t size, int flags);
extern int sock_common_setsockopt(struct socket *sock, int level, int optname,
- char __user *optval, int optlen);
+ char __user *optval, unsigned int optlen);
extern int compat_sock_common_getsockopt(struct socket *sock, int level,
int optname, char __user *optval, int __user *optlen);
extern int compat_sock_common_setsockopt(struct socket *sock, int level,
- int optname, char __user *optval, int optlen);
+ int optname, char __user *optval, unsigned int optlen);
extern void sk_common_release(struct sock *sk);