357 struct sock {  struct
362 	struct sock_common	__sk_common;  argument
402 	socket_lock_t		sk_lock;  argument
409 	 * the per-socket spinlock held and requires low latency  argument
436 		struct socket_wq __rcu	*sk_wq;  argument
442 	struct xfrm_policy __rcu *sk_policy[2];
445 	struct dst_entry __rcu	*sk_dst_cache;
446 	atomic_t		sk_omem_alloc;
447 	int			sk_sndbuf;
450 	int			sk_wmem_queued;
451 	refcount_t		sk_wmem_alloc;
452 	unsigned long		sk_tsq_flags;
453 	union {
477 	 * changes are protected by socket lock.  argument
480 				sk_kern_sock : 1,  argument
481 				sk_no_check_tx : 1,
482 				sk_no_check_rx : 1,
483 				sk_userlocks : 4;
484 	u8			sk_pacing_shift;
485 	u16			sk_type;
486 	u16			sk_protocol;
487 	u16			sk_gso_max_segs;
488 	unsigned long	        sk_lingertime;
489 	struct proto		*sk_prot_creator;
490 	rwlock_t		sk_callback_lock;
491 	int			sk_err,
492 				sk_err_soft;
493 	u32			sk_ack_backlog;
494 	u32			sk_max_ack_backlog;
495 	kuid_t			sk_uid;
496 	u8			sk_txrehash;
498 	u8			sk_prefer_busy_poll;
522 	struct socket		*sk_socket;  argument
527 	struct sock_cgroup_data	sk_cgrp_data;  argument
529 	void			(*sk_state_change)(struct sock *sk);  argument
530 	void			(*sk_data_ready)(struct sock *sk);  argument
531 	void			(*sk_write_space)(struct sock *sk);  argument
532 	void			(*sk_error_report)(struct sock *sk);  argument
533 	int			(*sk_backlog_rcv)(struct sock *sk,  argument
536 	struct sk_buff*		(*sk_validate_xmit_skb)(struct sock *sk,  argument
540 	void                    (*sk_destruct)(struct sock *sk);  argument
541 	struct sock_reuseport __rcu	*sk_reuseport_cb;  argument
559  *   not be suitable for copying when cloning the socket. For instance,  argument
2097 static inline void sk_set_socket(struct sock *sk, struct socket *sock)  in sk_set_socket()
2398 static inline void sock_poll_wait(struct file *filp, struct socket *sock,  in sock_poll_wait()