260 struct sock {  struct
265 	struct sock_common	__sk_common;  argument
281 	socket_lock_t		sk_lock;  argument
285 	 * the per-socket spinlock held and requires low latency  argument
306 	struct socket_wq __rcu	*sk_wq;  argument
309 	struct sk_buff_head	sk_async_wait_queue;
313 	struct xfrm_policy	*sk_policy[2];
315 	unsigned long 		sk_flags;
316 	struct dst_entry	*sk_dst_cache;
317 	spinlock_t		sk_dst_lock;
318 	atomic_t		sk_wmem_alloc;
319 	atomic_t		sk_omem_alloc;
320 	int			sk_sndbuf;
321 	struct sk_buff_head	sk_write_queue;
323 	unsigned int		sk_shutdown  : 2,
324 				sk_no_check  : 2,
325 				sk_userlocks : 4,
326 				sk_protocol  : 8,
327 				sk_type      : 16;
329 	int			sk_wmem_queued;
330 	gfp_t			sk_allocation;
331 	netdev_features_t	sk_route_caps;
355 	struct socket		*sk_socket;  argument
367 	void			(*sk_state_change)(struct sock *sk);  argument
368 	void			(*sk_data_ready)(struct sock *sk, int bytes);  argument
369 	void			(*sk_write_space)(struct sock *sk);  argument
370 	void			(*sk_error_report)(struct sock *sk);  argument
371   	int			(*sk_backlog_rcv)(struct sock *sk,  argument
373 	void                    (*sk_destruct)(struct sock *sk);  argument
1171 	struct socket		*sock;  member
1532 static inline void sk_set_socket(struct sock *sk, struct socket *sock)  in sk_set_socket()