102 void SOCK_DEBUG(const struct sock *sk, const char *msg, ...)  in SOCK_DEBUG()
126 struct sock;
301 struct sock {  struct
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
460 static inline int sk_peek_offset(struct sock *sk, int flags)  in sk_peek_offset()
468 static inline void sk_peek_offset_bwd(struct sock *sk, int val)  in sk_peek_offset_bwd()
478 static inline void sk_peek_offset_fwd(struct sock *sk, int val)  in sk_peek_offset_fwd()
487 static inline struct sock *sk_entry(const struct hlist_node *node)  in sk_entry()
489 	return hlist_entry(node, struct sock, sk_node);  in sk_entry()
492 static inline struct sock *__sk_head(const struct hlist_head *head)  in __sk_head()
494 	return hlist_entry(head->first, struct sock, sk_node);  in __sk_head()
497 static inline struct sock *sk_head(const struct hlist_head *head)  in sk_head()
502 static inline struct sock *__sk_nulls_head(const struct hlist_nulls_head *head)  in __sk_nulls_head()
504 	return hlist_nulls_entry(head->first, struct sock, sk_nulls_node);  in __sk_nulls_head()
507 static inline struct sock *sk_nulls_head(const struct hlist_nulls_head *head)  in sk_nulls_head()
512 static inline struct sock *sk_next(const struct sock *sk)  in sk_next()
515 		hlist_entry(sk->sk_node.next, struct sock, sk_node) : NULL;  in sk_next()
518 static inline struct sock *sk_nulls_next(const struct sock *sk)  in sk_nulls_next()
522 				  struct sock, sk_nulls_node) :  in sk_nulls_next()
526 static inline bool sk_unhashed(const struct sock *sk)  in sk_unhashed()
531 static inline bool sk_hashed(const struct sock *sk)  in sk_hashed()
546 static inline void __sk_del_node(struct sock *sk)  in __sk_del_node()
552 static inline bool __sk_del_node_init(struct sock *sk)  in __sk_del_node_init()
568 static inline void sock_hold(struct sock *sk)  in sock_hold()
576 static inline void __sock_put(struct sock *sk)  in __sock_put()
581 static inline bool sk_del_node_init(struct sock *sk)  in sk_del_node_init()
594 static inline bool __sk_nulls_del_node_init_rcu(struct sock *sk)  in __sk_nulls_del_node_init_rcu()
603 static inline bool sk_nulls_del_node_init_rcu(struct sock *sk)  in sk_nulls_del_node_init_rcu()
615 static inline void __sk_add_node(struct sock *sk, struct hlist_head *list)  in __sk_add_node()
620 static inline void sk_add_node(struct sock *sk, struct hlist_head *list)  in sk_add_node()
626 static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)  in sk_add_node_rcu()
632 static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)  in __sk_nulls_add_node_rcu()
637 static inline void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)  in sk_nulls_add_node_rcu()
643 static inline void __sk_del_bind_node(struct sock *sk)  in __sk_del_bind_node()
648 static inline void sk_add_bind_node(struct sock *sk,  in sk_add_bind_node()
686 static inline struct user_namespace *sk_user_ns(struct sock *sk)  in sk_user_ns()
728 static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)  in sock_copy_flags()
733 static inline void sock_set_flag(struct sock *sk, enum sock_flags flag)  in sock_set_flag()
738 static inline void sock_reset_flag(struct sock *sk, enum sock_flags flag)  in sock_reset_flag()
743 static inline bool sock_flag(const struct sock *sk, enum sock_flags flag)  in sock_flag()
763 static inline gfp_t sk_gfp_atomic(struct sock *sk, gfp_t gfp_mask)  in sk_gfp_atomic()
768 static inline void sk_acceptq_removed(struct sock *sk)  in sk_acceptq_removed()
773 static inline void sk_acceptq_added(struct sock *sk)  in sk_acceptq_added()
778 static inline bool sk_acceptq_is_full(const struct sock *sk)  in sk_acceptq_is_full()
786 static inline int sk_stream_min_wspace(const struct sock *sk)  in sk_stream_min_wspace()
791 static inline int sk_stream_wspace(const struct sock *sk)  in sk_stream_wspace()
796 void sk_stream_write_space(struct sock *sk);
799 static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)  in __sk_add_backlog()
818 static inline bool sk_rcvqueues_full(const struct sock *sk, unsigned int limit)  in sk_rcvqueues_full()
826 static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb,  in sk_add_backlog()
845 int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
847 static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)  in sk_backlog_rcv()
855 static inline void sk_incoming_cpu_update(struct sock *sk)  in sk_incoming_cpu_update()
872 static inline void sock_rps_record_flow(const struct sock *sk)  in sock_rps_record_flow()
879 static inline void sock_rps_save_rxhash(struct sock *sk,  in sock_rps_save_rxhash()
888 static inline void sock_rps_reset_rxhash(struct sock *sk)  in sock_rps_reset_rxhash()
908 int sk_stream_wait_connect(struct sock *sk, long *timeo_p);
909 int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
910 void sk_stream_wait_close(struct sock *sk, long timeo_p);
911 int sk_stream_error(struct sock *sk, int flags, int err);
912 void sk_stream_kill_queues(struct sock *sk);
913 void sk_set_memalloc(struct sock *sk);
914 void sk_clear_memalloc(struct sock *sk);
916 int sk_wait_data(struct sock *sk, long *timeo);
928 static inline void sk_prot_clear_nulls(struct sock *sk, int size)  in sk_prot_clear_nulls()
930 	if (offsetof(struct sock, sk_node.next) != 0)  in sk_prot_clear_nulls()
931 		memset(sk, 0, offsetof(struct sock, sk_node.next));  in sk_prot_clear_nulls()
933 	       size - offsetof(struct sock, sk_node.pprev));  in sk_prot_clear_nulls()
941 	void			(*close)(struct sock *sk,
943 	int			(*connect)(struct sock *sk,
946 	int			(*disconnect)(struct sock *sk, int flags);
948 	struct sock *		(*accept)(struct sock *sk, int flags, int *err);
950 	int			(*ioctl)(struct sock *sk, int cmd,
952 	int			(*init)(struct sock *sk);
953 	void			(*destroy)(struct sock *sk);
954 	void			(*shutdown)(struct sock *sk, int how);
955 	int			(*setsockopt)(struct sock *sk, int level,
958 	int			(*getsockopt)(struct sock *sk, int level,
962 	int			(*compat_setsockopt)(struct sock *sk,
966 	int			(*compat_getsockopt)(struct sock *sk,
970 	int			(*compat_ioctl)(struct sock *sk,
973 	int			(*sendmsg)(struct sock *sk, struct msghdr *msg,
975 	int			(*recvmsg)(struct sock *sk, struct msghdr *msg,
978 	int			(*sendpage)(struct sock *sk, struct page *page,
980 	int			(*bind)(struct sock *sk,
983 	int			(*backlog_rcv) (struct sock *sk,
986 	void		(*release_cb)(struct sock *sk);
989 	void			(*hash)(struct sock *sk);
990 	void			(*unhash)(struct sock *sk);
991 	void			(*rehash)(struct sock *sk);
992 	int			(*get_port)(struct sock *sk, unsigned short snum);
993 	void			(*clear_sk)(struct sock *sk, int size);
1000 	bool			(*stream_memory_free)(const struct sock *sk);
1002 	void			(*enter_memory_pressure)(struct sock *sk);
1092 static inline void sk_refcnt_debug_inc(struct sock *sk)  in sk_refcnt_debug_inc()
1097 static inline void sk_refcnt_debug_dec(struct sock *sk)  in sk_refcnt_debug_dec()
1104 static inline void sk_refcnt_debug_release(const struct sock *sk)  in sk_refcnt_debug_release()
1133 static inline bool sk_stream_memory_free(const struct sock *sk)  in sk_stream_memory_free()
1142 static inline bool sk_stream_is_writeable(const struct sock *sk)  in sk_stream_is_writeable()
1149 static inline bool sk_has_memory_pressure(const struct sock *sk)  in sk_has_memory_pressure()
1154 static inline bool sk_under_memory_pressure(const struct sock *sk)  in sk_under_memory_pressure()
1165 static inline void sk_leave_memory_pressure(struct sock *sk)  in sk_leave_memory_pressure()
1185 static inline void sk_enter_memory_pressure(struct sock *sk)  in sk_enter_memory_pressure()
1201 static inline long sk_prot_mem_limits(const struct sock *sk, int index)  in sk_prot_mem_limits()
1227 sk_memory_allocated(const struct sock *sk)  in sk_memory_allocated()
1238 sk_memory_allocated_add(struct sock *sk, int amt, int *parent_status)  in sk_memory_allocated_add()
1253 sk_memory_allocated_sub(struct sock *sk, int amt)  in sk_memory_allocated_sub()
1263 static inline void sk_sockets_allocated_dec(struct sock *sk)  in sk_sockets_allocated_dec()
1277 static inline void sk_sockets_allocated_inc(struct sock *sk)  in sk_sockets_allocated_inc()
1292 sk_sockets_allocated_read_positive(struct sock *sk)  in sk_sockets_allocated_read_positive()
1338 static inline void __sk_prot_rehash(struct sock *sk)  in __sk_prot_rehash()
1344 void sk_prot_clear_portaddr_nulls(struct sock *sk, int size);
1379 int __sk_mem_schedule(struct sock *sk, int size, int kind);
1380 void __sk_mem_reclaim(struct sock *sk);
1392 static inline bool sk_has_account(struct sock *sk)  in sk_has_account()
1398 static inline bool sk_wmem_schedule(struct sock *sk, int size)  in sk_wmem_schedule()
1407 sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)  in sk_rmem_schedule()
1416 static inline void sk_mem_reclaim(struct sock *sk)  in sk_mem_reclaim()
1424 static inline void sk_mem_reclaim_partial(struct sock *sk)  in sk_mem_reclaim_partial()
1432 static inline void sk_mem_charge(struct sock *sk, int size)  in sk_mem_charge()
1439 static inline void sk_mem_uncharge(struct sock *sk, int size)  in sk_mem_uncharge()
1446 static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb)  in sk_wmem_free_skb()
1469 static inline void sock_release_ownership(struct sock *sk)  in sock_release_ownership()
1493 void lock_sock_nested(struct sock *sk, int subclass);
1495 static inline void lock_sock(struct sock *sk)  in lock_sock()
1500 void release_sock(struct sock *sk);
1509 bool lock_sock_fast(struct sock *sk);
1518 static inline void unlock_sock_fast(struct sock *sk, bool slow)  in unlock_sock_fast()
1527 struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
1529 void sk_free(struct sock *sk);
1530 void sk_release_kernel(struct sock *sk);
1531 struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority);
1533 struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
1545 int sock_setsockopt(struct socket *sock, int level, int op,
1548 int sock_getsockopt(struct socket *sock, int level, int op,
1550 struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size,
1552 struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
1555 void *sock_kmalloc(struct sock *sk, int size, gfp_t priority);
1556 void sock_kfree_s(struct sock *sk, void *mem, int size);
1557 void sock_kzfree_s(struct sock *sk, void *mem, int size);
1558 void sk_send_sigurg(struct sock *sk);
1578 int sock_no_mmap(struct file *file, struct socket *sock,
1580 ssize_t sock_no_sendpage(struct socket *sock, struct page *page, int offset,
1587 int sock_common_getsockopt(struct socket *sock, int level, int optname,
1589 int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
1591 int sock_common_setsockopt(struct socket *sock, int level, int optname,
1593 int compat_sock_common_getsockopt(struct socket *sock, int level,
1595 int compat_sock_common_setsockopt(struct socket *sock, int level,
1598 void sk_common_release(struct sock *sk);
1605 void sock_init_data(struct socket *sock, struct sock *sk);
1633 static inline void sock_put(struct sock *sk)  in sock_put()
1641 void sock_gen_put(struct sock *sk);
1643 int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested);
1645 static inline void sk_tx_queue_set(struct sock *sk, int tx_queue)  in sk_tx_queue_set()
1650 static inline void sk_tx_queue_clear(struct sock *sk)  in sk_tx_queue_clear()
1655 static inline int sk_tx_queue_get(const struct sock *sk)  in sk_tx_queue_get()
1660 static inline void sk_set_socket(struct sock *sk, struct socket *sock)  in sk_set_socket()  argument
1663 	sk->sk_socket = sock;  in sk_set_socket()
1666 static inline wait_queue_head_t *sk_sleep(struct sock *sk)  in sk_sleep()
1678 static inline void sock_orphan(struct sock *sk)  in sock_orphan()
1687 static inline void sock_graft(struct sock *sk, struct socket *parent)  in sock_graft()
1697 kuid_t sock_i_uid(struct sock *sk);
1698 unsigned long sock_i_ino(struct sock *sk);
1701 __sk_dst_get(struct sock *sk)  in __sk_dst_get()
1708 sk_dst_get(struct sock *sk)  in sk_dst_get()
1720 static inline void dst_negative_advice(struct sock *sk)  in dst_negative_advice()
1735 __sk_dst_set(struct sock *sk, struct dst_entry *dst)  in __sk_dst_set()
1750 sk_dst_set(struct sock *sk, struct dst_entry *dst)  in sk_dst_set()
1760 __sk_dst_reset(struct sock *sk)  in __sk_dst_reset()
1766 sk_dst_reset(struct sock *sk)  in sk_dst_reset()
1771 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
1773 struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
1775 bool sk_mc_loop(struct sock *sk);
1777 static inline bool sk_can_gso(const struct sock *sk)  in sk_can_gso()
1782 void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
1784 static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags)  in sk_nocaps_add()
1790 static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb,  in skb_do_copy_data_nocache()
1808 static inline int skb_add_data_nocache(struct sock *sk, struct sk_buff *skb,  in skb_add_data_nocache()
1821 static inline int skb_copy_to_page_nocache(struct sock *sk, struct iov_iter *from,  in skb_copy_to_page_nocache()
1847 static inline int sk_wmem_alloc_get(const struct sock *sk)  in sk_wmem_alloc_get()
1858 static inline int sk_rmem_alloc_get(const struct sock *sk)  in sk_rmem_alloc_get()
1869 static inline bool sk_has_allocations(const struct sock *sk)  in sk_has_allocations()
1939 static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk)  in skb_set_hash_from_sk()
1956 static inline void skb_set_owner_w(struct sk_buff *skb, struct sock *sk)  in skb_set_owner_w()
1970 static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk)  in skb_set_owner_r()
1979 void sk_reset_timer(struct sock *sk, struct timer_list *timer,
1982 void sk_stop_timer(struct sock *sk, struct timer_list *timer);
1984 int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
1986 int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
1987 struct sk_buff *sock_dequeue_err_skb(struct sock *sk);
1993 static inline int sock_error(struct sock *sk)  in sock_error()
2002 static inline unsigned long sock_wspace(struct sock *sk)  in sock_wspace()
2014 static inline void sk_wake_async(struct sock *sk, int how, int band)  in sk_wake_async()
2030 static inline void sk_stream_moderate_sndbuf(struct sock *sk)  in sk_stream_moderate_sndbuf()
2038 struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp);
2047 static inline struct page_frag *sk_page_frag(struct sock *sk)  in sk_page_frag()
2055 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag);
2060 static inline bool sock_writeable(const struct sock *sk)  in sock_writeable()
2070 static inline long sock_rcvtimeo(const struct sock *sk, bool noblock)  in sock_rcvtimeo()
2075 static inline long sock_sndtimeo(const struct sock *sk, bool noblock)  in sock_sndtimeo()
2080 static inline int sock_rcvlowat(const struct sock *sk, int waitall, int len)  in sock_rcvlowat()
2111 sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb)  in sock_skb_set_dropcount()
2116 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
2118 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
2122 sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)  in sock_recv_timestamp()
2146 void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
2149 static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,  in sock_recv_ts_and_drops()
2163 void __sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags);
2172 static inline void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags)  in sock_tx_timestamp()
2188 static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb)  in sk_eat_skb()
2195 struct net *sock_net(const struct sock *sk)  in sock_net()
2201 void sock_net_set(struct sock *sk, struct net *net)  in sock_net_set()
2212 static inline void sk_change_net(struct sock *sk, struct net *net)  in sk_change_net()
2222 static inline struct sock *skb_steal_sock(struct sk_buff *skb)  in skb_steal_sock()
2225 		struct sock *sk = skb->sk;  in skb_steal_sock()
2237 static inline bool sk_fullsock(const struct sock *sk)  in sk_fullsock()
2242 void sock_enable_timestamp(struct sock *sk, int flag);
2243 int sock_get_timestamp(struct sock *, struct timeval __user *);
2244 int sock_get_timestampns(struct sock *, struct timespec __user *);
2245 int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, int level,
2248 bool sk_ns_capable(const struct sock *sk,
2250 bool sk_capable(const struct sock *sk, int cap);
2251 bool sk_net_capable(const struct sock *sk, int cap);