301 struct sock {  struct
306 	struct sock_common	__sk_common;  argument
334 	socket_lock_t		sk_lock;  argument
338 	 * the per-socket spinlock held and requires low latency  argument
344 	struct {
370 	struct socket_wq __rcu	*sk_wq;  argument
373 	struct xfrm_policy	*sk_policy[2];
375 	unsigned long 		sk_flags;
376 	struct dst_entry	*sk_rx_dst;
377 	struct dst_entry __rcu	*sk_dst_cache;
378 	spinlock_t		sk_dst_lock;
379 	atomic_t		sk_wmem_alloc;
380 	atomic_t		sk_omem_alloc;
381 	int			sk_sndbuf;
382 	struct sk_buff_head	sk_write_queue;
384 	unsigned int		sk_shutdown  : 2,
385 				sk_no_check_tx : 1,
386 				sk_no_check_rx : 1,
387 				sk_userlocks : 4,
388 				sk_protocol  : 8,
390 				sk_type      : 16;
392 	int			sk_wmem_queued;
393 	gfp_t			sk_allocation;
394 	u32			sk_pacing_rate; /* bytes per second */
395 	u32			sk_max_pacing_rate;
396 	netdev_features_t	sk_route_caps;
397 	netdev_features_t	sk_route_nocaps;
398 	int			sk_gso_type;
399 	unsigned int		sk_gso_max_size;
423 	struct socket		*sk_socket;  argument
435 	void			(*sk_state_change)(struct sock *sk);  argument
436 	void			(*sk_data_ready)(struct sock *sk);  argument
437 	void			(*sk_write_space)(struct sock *sk);  argument
438 	void			(*sk_error_report)(struct sock *sk);  argument
439 	int			(*sk_backlog_rcv)(struct sock *sk,  argument
441 	void                    (*sk_destruct)(struct sock *sk);  argument
1660 static inline void sk_set_socket(struct sock *sk, struct socket *sock)  in sk_set_socket()