301 struct sock {  struct
306 	struct sock_common	__sk_common;  argument
333 	socket_lock_t		sk_lock;  argument
337 	 * the per-socket spinlock held and requires low latency  argument
363 	struct socket_wq __rcu	*sk_wq;  argument
366 	struct xfrm_policy	*sk_policy[2];
368 	unsigned long 		sk_flags;
369 	struct dst_entry	*sk_rx_dst;
370 	struct dst_entry __rcu	*sk_dst_cache;
371 	spinlock_t		sk_dst_lock;
372 	atomic_t		sk_wmem_alloc;
373 	atomic_t		sk_omem_alloc;
374 	int			sk_sndbuf;
375 	struct sk_buff_head	sk_write_queue;
377 	unsigned int		sk_shutdown  : 2,
378 				sk_no_check_tx : 1,
379 				sk_no_check_rx : 1,
380 				sk_userlocks : 4,
381 				sk_protocol  : 8,
383 				sk_type      : 16;
385 	int			sk_wmem_queued;
386 	gfp_t			sk_allocation;
387 	u32			sk_pacing_rate; /* bytes per second */
388 	u32			sk_max_pacing_rate;
389 	netdev_features_t	sk_route_caps;
390 	netdev_features_t	sk_route_nocaps;
391 	int			sk_gso_type;
392 	unsigned int		sk_gso_max_size;
416 	struct socket		*sk_socket;  argument
429 	void			(*sk_state_change)(struct sock *sk);  argument
430 	void			(*sk_data_ready)(struct sock *sk);  argument
431 	void			(*sk_write_space)(struct sock *sk);  argument
432 	void			(*sk_error_report)(struct sock *sk);  argument
433 	int			(*sk_backlog_rcv)(struct sock *sk,  argument
435 	void                    (*sk_destruct)(struct sock *sk);  argument
1392 	struct socket		*sock;  member
1708 static inline void sk_set_socket(struct sock *sk, struct socket *sock)  in sk_set_socket()