957 struct proto {  struct
958 	void			(*close)(struct sock *sk,
960 	int			(*connect)(struct sock *sk,
963 	int			(*disconnect)(struct sock *sk, int flags);
965 	struct sock *		(*accept)(struct sock *sk, int flags, int *err);
967 	int			(*ioctl)(struct sock *sk, int cmd,
969 	int			(*init)(struct sock *sk);
970 	void			(*destroy)(struct sock *sk);
971 	void			(*shutdown)(struct sock *sk, int how);
972 	int			(*setsockopt)(struct sock *sk, int level,
975 	int			(*getsockopt)(struct sock *sk, int level,
979 	int			(*compat_setsockopt)(struct sock *sk,
983 	int			(*compat_getsockopt)(struct sock *sk,
987 	int			(*compat_ioctl)(struct sock *sk,
990 	int			(*sendmsg)(struct sock *sk, struct msghdr *msg,
992 	int			(*recvmsg)(struct sock *sk, struct msghdr *msg,
995 	int			(*sendpage)(struct sock *sk, struct page *page,
997 	int			(*bind)(struct sock *sk,
1000 	int			(*backlog_rcv) (struct sock *sk,
1003 	void		(*release_cb)(struct sock *sk);
1006 	void			(*hash)(struct sock *sk);
1007 	void			(*unhash)(struct sock *sk);
1008 	void			(*rehash)(struct sock *sk);
1009 	int			(*get_port)(struct sock *sk, unsigned short snum);
1010 	void			(*clear_sk)(struct sock *sk, int size);
1014 	unsigned int		inuse_idx;
1017 	bool			(*stream_memory_free)(const struct sock *sk);
1019 	void			(*enter_memory_pressure)(struct sock *sk);
1020 	atomic_long_t		*memory_allocated;	/* Current allocated memory. */
1021 	struct percpu_counter	*sockets_allocated;	/* Current number of sockets. */
1028 	int			*memory_pressure;
1029 	long			*sysctl_mem;
1030 	int			*sysctl_wmem;
1031 	int			*sysctl_rmem;
1032 	int			max_header;
1033 	bool			no_autobind;
1035 	struct kmem_cache	*slab;
1036 	unsigned int		obj_size;
1037 	int			slab_flags;
1061 	 * protocols that implement it, from cgroups populate function.  argument
1068 	struct cg_proto		*(*proto_cgroup)(struct mem_cgroup *memcg);  argument
1072 int proto_register(struct proto *prot, int alloc_slab);  argument
1102 static inline struct cg_proto *parent_cg_proto(struct proto *proto,  in parent_cg_proto()
1110 static inline struct cg_proto *parent_cg_proto(struct proto *proto,  in parent_cg_proto()