102 void SOCK_DEBUG(const struct sock *sk, const char *msg, ...)  in SOCK_DEBUG()
126 struct sock;
214 		struct sock	*skc_listener; /* request_sock */
321 struct sock {  struct
453 	void			(*sk_state_change)(struct sock *sk);  argument
454 	void			(*sk_data_ready)(struct sock *sk);  argument
455 	void			(*sk_write_space)(struct sock *sk);  argument
456 	void			(*sk_error_report)(struct sock *sk);  argument
457 	int			(*sk_backlog_rcv)(struct sock *sk,  argument
459 	void                    (*sk_destruct)(struct sock *sk);  argument
478 static inline int sk_peek_offset(struct sock *sk, int flags)  in sk_peek_offset()
486 static inline void sk_peek_offset_bwd(struct sock *sk, int val)  in sk_peek_offset_bwd()
496 static inline void sk_peek_offset_fwd(struct sock *sk, int val)  in sk_peek_offset_fwd()
505 static inline struct sock *sk_entry(const struct hlist_node *node)  in sk_entry()
507 	return hlist_entry(node, struct sock, sk_node);  in sk_entry()
510 static inline struct sock *__sk_head(const struct hlist_head *head)  in __sk_head()
512 	return hlist_entry(head->first, struct sock, sk_node);  in __sk_head()
515 static inline struct sock *sk_head(const struct hlist_head *head)  in sk_head()
520 static inline struct sock *__sk_nulls_head(const struct hlist_nulls_head *head)  in __sk_nulls_head()
522 	return hlist_nulls_entry(head->first, struct sock, sk_nulls_node);  in __sk_nulls_head()
525 static inline struct sock *sk_nulls_head(const struct hlist_nulls_head *head)  in sk_nulls_head()
530 static inline struct sock *sk_next(const struct sock *sk)  in sk_next()
533 		hlist_entry(sk->sk_node.next, struct sock, sk_node) : NULL;  in sk_next()
536 static inline struct sock *sk_nulls_next(const struct sock *sk)  in sk_nulls_next()
540 				  struct sock, sk_nulls_node) :  in sk_nulls_next()
544 static inline bool sk_unhashed(const struct sock *sk)  in sk_unhashed()
549 static inline bool sk_hashed(const struct sock *sk)  in sk_hashed()
564 static inline void __sk_del_node(struct sock *sk)  in __sk_del_node()
570 static inline bool __sk_del_node_init(struct sock *sk)  in __sk_del_node_init()
586 static inline void sock_hold(struct sock *sk)  in sock_hold()
594 static inline void __sock_put(struct sock *sk)  in __sock_put()
599 static inline bool sk_del_node_init(struct sock *sk)  in sk_del_node_init()
612 static inline bool __sk_nulls_del_node_init_rcu(struct sock *sk)  in __sk_nulls_del_node_init_rcu()
621 static inline bool sk_nulls_del_node_init_rcu(struct sock *sk)  in sk_nulls_del_node_init_rcu()
633 static inline void __sk_add_node(struct sock *sk, struct hlist_head *list)  in __sk_add_node()
638 static inline void sk_add_node(struct sock *sk, struct hlist_head *list)  in sk_add_node()
644 static inline void sk_add_node_rcu(struct sock *sk, struct hlist_head *list)  in sk_add_node_rcu()
650 static inline void __sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)  in __sk_nulls_add_node_rcu()
655 static inline void sk_nulls_add_node_rcu(struct sock *sk, struct hlist_nulls_head *list)  in sk_nulls_add_node_rcu()
661 static inline void __sk_del_bind_node(struct sock *sk)  in __sk_del_bind_node()
666 static inline void sk_add_bind_node(struct sock *sk,  in sk_add_bind_node()
704 static inline struct user_namespace *sk_user_ns(struct sock *sk)  in sk_user_ns()
746 static inline void sock_copy_flags(struct sock *nsk, struct sock *osk)  in sock_copy_flags()
751 static inline void sock_set_flag(struct sock *sk, enum sock_flags flag)  in sock_set_flag()
756 static inline void sock_reset_flag(struct sock *sk, enum sock_flags flag)  in sock_reset_flag()
761 static inline bool sock_flag(const struct sock *sk, enum sock_flags flag)  in sock_flag()
781 static inline gfp_t sk_gfp_atomic(const struct sock *sk, gfp_t gfp_mask)  in sk_gfp_atomic()
786 static inline void sk_acceptq_removed(struct sock *sk)  in sk_acceptq_removed()
791 static inline void sk_acceptq_added(struct sock *sk)  in sk_acceptq_added()
796 static inline bool sk_acceptq_is_full(const struct sock *sk)  in sk_acceptq_is_full()
804 static inline int sk_stream_min_wspace(const struct sock *sk)  in sk_stream_min_wspace()
809 static inline int sk_stream_wspace(const struct sock *sk)  in sk_stream_wspace()
814 void sk_stream_write_space(struct sock *sk);
817 static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)  in __sk_add_backlog()
836 static inline bool sk_rcvqueues_full(const struct sock *sk, unsigned int limit)  in sk_rcvqueues_full()
844 static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb,  in sk_add_backlog()
863 int __sk_backlog_rcv(struct sock *sk, struct sk_buff *skb);
865 static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)  in sk_backlog_rcv()
873 static inline void sk_incoming_cpu_update(struct sock *sk)  in sk_incoming_cpu_update()
890 static inline void sock_rps_record_flow(const struct sock *sk)  in sock_rps_record_flow()
897 static inline void sock_rps_save_rxhash(struct sock *sk,  in sock_rps_save_rxhash()
906 static inline void sock_rps_reset_rxhash(struct sock *sk)  in sock_rps_reset_rxhash()
926 int sk_stream_wait_connect(struct sock *sk, long *timeo_p);
927 int sk_stream_wait_memory(struct sock *sk, long *timeo_p);
928 void sk_stream_wait_close(struct sock *sk, long timeo_p);
929 int sk_stream_error(struct sock *sk, int flags, int err);
930 void sk_stream_kill_queues(struct sock *sk);
931 void sk_set_memalloc(struct sock *sk);
932 void sk_clear_memalloc(struct sock *sk);
934 int sk_wait_data(struct sock *sk, long *timeo, const struct sk_buff *skb);
946 static inline void sk_prot_clear_nulls(struct sock *sk, int size)  in sk_prot_clear_nulls()
948 	if (offsetof(struct sock, sk_node.next) != 0)  in sk_prot_clear_nulls()
949 		memset(sk, 0, offsetof(struct sock, sk_node.next));  in sk_prot_clear_nulls()
951 	       size - offsetof(struct sock, sk_node.pprev));  in sk_prot_clear_nulls()
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);
1017 	bool			(*stream_memory_free)(const struct sock *sk);
1019 	void			(*enter_memory_pressure)(struct sock *sk);
1076 static inline void sk_refcnt_debug_inc(struct sock *sk)  in sk_refcnt_debug_inc()
1081 static inline void sk_refcnt_debug_dec(struct sock *sk)  in sk_refcnt_debug_dec()
1088 static inline void sk_refcnt_debug_release(const struct sock *sk)  in sk_refcnt_debug_release()
1117 static inline bool sk_stream_memory_free(const struct sock *sk)  in sk_stream_memory_free()
1126 static inline bool sk_stream_is_writeable(const struct sock *sk)  in sk_stream_is_writeable()
1133 static inline bool sk_has_memory_pressure(const struct sock *sk)  in sk_has_memory_pressure()
1138 static inline bool sk_under_memory_pressure(const struct sock *sk)  in sk_under_memory_pressure()
1149 static inline void sk_leave_memory_pressure(struct sock *sk)  in sk_leave_memory_pressure()
1169 static inline void sk_enter_memory_pressure(struct sock *sk)  in sk_enter_memory_pressure()
1185 static inline long sk_prot_mem_limits(const struct sock *sk, int index)  in sk_prot_mem_limits()
1211 sk_memory_allocated(const struct sock *sk)  in sk_memory_allocated()
1222 sk_memory_allocated_add(struct sock *sk, int amt, int *parent_status)  in sk_memory_allocated_add()
1237 sk_memory_allocated_sub(struct sock *sk, int amt)  in sk_memory_allocated_sub()
1247 static inline void sk_sockets_allocated_dec(struct sock *sk)  in sk_sockets_allocated_dec()
1261 static inline void sk_sockets_allocated_inc(struct sock *sk)  in sk_sockets_allocated_inc()
1276 sk_sockets_allocated_read_positive(struct sock *sk)  in sk_sockets_allocated_read_positive()
1322 static inline void __sk_prot_rehash(struct sock *sk)  in __sk_prot_rehash()
1328 void sk_prot_clear_portaddr_nulls(struct sock *sk, int size);
1363 int __sk_mem_schedule(struct sock *sk, int size, int kind);
1364 void __sk_mem_reclaim(struct sock *sk, int amount);
1376 static inline bool sk_has_account(struct sock *sk)  in sk_has_account()
1382 static inline bool sk_wmem_schedule(struct sock *sk, int size)  in sk_wmem_schedule()
1391 sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)  in sk_rmem_schedule()
1400 static inline void sk_mem_reclaim(struct sock *sk)  in sk_mem_reclaim()
1408 static inline void sk_mem_reclaim_partial(struct sock *sk)  in sk_mem_reclaim_partial()
1416 static inline void sk_mem_charge(struct sock *sk, int size)  in sk_mem_charge()
1423 static inline void sk_mem_uncharge(struct sock *sk, int size)  in sk_mem_uncharge()
1430 static inline void sk_wmem_free_skb(struct sock *sk, struct sk_buff *skb)  in sk_wmem_free_skb()
1453 static inline void sock_release_ownership(struct sock *sk)  in sock_release_ownership()
1477 void lock_sock_nested(struct sock *sk, int subclass);
1479 static inline void lock_sock(struct sock *sk)  in lock_sock()
1484 void release_sock(struct sock *sk);
1493 bool lock_sock_fast(struct sock *sk);
1502 static inline void unlock_sock_fast(struct sock *sk, bool slow)  in unlock_sock_fast()
1511 struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
1513 void sk_free(struct sock *sk);
1514 void sk_destruct(struct sock *sk);
1515 struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority);
1517 struct sk_buff *sock_wmalloc(struct sock *sk, unsigned long size, int force,
1529 int sock_setsockopt(struct socket *sock, int level, int op,
1532 int sock_getsockopt(struct socket *sock, int level, int op,
1534 struct sk_buff *sock_alloc_send_skb(struct sock *sk, unsigned long size,
1536 struct sk_buff *sock_alloc_send_pskb(struct sock *sk, unsigned long header_len,
1539 void *sock_kmalloc(struct sock *sk, int size, gfp_t priority);
1540 void sock_kfree_s(struct sock *sk, void *mem, int size);
1541 void sock_kzfree_s(struct sock *sk, void *mem, int size);
1542 void sk_send_sigurg(struct sock *sk);
1548 int sock_cmsg_send(struct sock *sk, struct msghdr *msg,
1569 int sock_no_mmap(struct file *file, struct socket *sock,
1571 ssize_t sock_no_sendpage(struct socket *sock, struct page *page, int offset,
1578 int sock_common_getsockopt(struct socket *sock, int level, int optname,
1580 int sock_common_recvmsg(struct socket *sock, struct msghdr *msg, size_t size,
1582 int sock_common_setsockopt(struct socket *sock, int level, int optname,
1584 int compat_sock_common_getsockopt(struct socket *sock, int level,
1586 int compat_sock_common_setsockopt(struct socket *sock, int level,
1589 void sk_common_release(struct sock *sk);
1596 void sock_init_data(struct socket *sock, struct sock *sk);
1624 static inline void sock_put(struct sock *sk)  in sock_put()
1632 void sock_gen_put(struct sock *sk);
1634 int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested);
1636 static inline void sk_tx_queue_set(struct sock *sk, int tx_queue)  in sk_tx_queue_set()
1641 static inline void sk_tx_queue_clear(struct sock *sk)  in sk_tx_queue_clear()
1646 static inline int sk_tx_queue_get(const struct sock *sk)  in sk_tx_queue_get()
1651 static inline void sk_set_socket(struct sock *sk, struct socket *sock)  in sk_set_socket()  argument
1654 	sk->sk_socket = sock;  in sk_set_socket()
1657 static inline wait_queue_head_t *sk_sleep(struct sock *sk)  in sk_sleep()
1669 static inline void sock_orphan(struct sock *sk)  in sock_orphan()
1678 static inline void sock_graft(struct sock *sk, struct socket *parent)  in sock_graft()
1688 kuid_t sock_i_uid(struct sock *sk);
1689 unsigned long sock_i_ino(struct sock *sk);
1698 static inline void sk_set_txhash(struct sock *sk)  in sk_set_txhash()
1703 static inline void sk_rethink_txhash(struct sock *sk)  in sk_rethink_txhash()
1710 __sk_dst_get(struct sock *sk)  in __sk_dst_get()
1717 sk_dst_get(struct sock *sk)  in sk_dst_get()
1729 static inline void dst_negative_advice(struct sock *sk)  in dst_negative_advice()
1746 __sk_dst_set(struct sock *sk, struct dst_entry *dst)  in __sk_dst_set()
1761 sk_dst_set(struct sock *sk, struct dst_entry *dst)  in sk_dst_set()
1771 __sk_dst_reset(struct sock *sk)  in __sk_dst_reset()
1777 sk_dst_reset(struct sock *sk)  in sk_dst_reset()
1782 struct dst_entry *__sk_dst_check(struct sock *sk, u32 cookie);
1784 struct dst_entry *sk_dst_check(struct sock *sk, u32 cookie);
1786 bool sk_mc_loop(struct sock *sk);
1788 static inline bool sk_can_gso(const struct sock *sk)  in sk_can_gso()
1793 void sk_setup_caps(struct sock *sk, struct dst_entry *dst);
1795 static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags)  in sk_nocaps_add()
1801 static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb,  in skb_do_copy_data_nocache()
1819 static inline int skb_add_data_nocache(struct sock *sk, struct sk_buff *skb,  in skb_add_data_nocache()
1832 static inline int skb_copy_to_page_nocache(struct sock *sk, struct iov_iter *from,  in skb_copy_to_page_nocache()
1858 static inline int sk_wmem_alloc_get(const struct sock *sk)  in sk_wmem_alloc_get()
1869 static inline int sk_rmem_alloc_get(const struct sock *sk)  in sk_rmem_alloc_get()
1880 static inline bool sk_has_allocations(const struct sock *sk)  in sk_has_allocations()
1950 static inline void skb_set_hash_from_sk(struct sk_buff *skb, struct sock *sk)  in skb_set_hash_from_sk()
1958 void skb_set_owner_w(struct sk_buff *skb, struct sock *sk);
1968 static inline void skb_set_owner_r(struct sk_buff *skb, struct sock *sk)  in skb_set_owner_r()
1977 void sk_reset_timer(struct sock *sk, struct timer_list *timer,
1980 void sk_stop_timer(struct sock *sk, struct timer_list *timer);
1982 int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb);
1984 int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb);
1985 struct sk_buff *sock_dequeue_err_skb(struct sock *sk);
1991 static inline int sock_error(struct sock *sk)  in sock_error()
2000 static inline unsigned long sock_wspace(struct sock *sk)  in sock_wspace()
2016 static inline void sk_set_bit(int nr, struct sock *sk)  in sk_set_bit()
2021 static inline void sk_clear_bit(int nr, struct sock *sk)  in sk_clear_bit()
2026 static inline void sk_wake_async(const struct sock *sk, int how, int band)  in sk_wake_async()
2045 static inline void sk_stream_moderate_sndbuf(struct sock *sk)  in sk_stream_moderate_sndbuf()
2053 struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
2063 static inline struct page_frag *sk_page_frag(struct sock *sk)  in sk_page_frag()
2071 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag);
2076 static inline bool sock_writeable(const struct sock *sk)  in sock_writeable()
2086 static inline long sock_rcvtimeo(const struct sock *sk, bool noblock)  in sock_rcvtimeo()
2091 static inline long sock_sndtimeo(const struct sock *sk, bool noblock)  in sock_sndtimeo()
2096 static inline int sock_rcvlowat(const struct sock *sk, int waitall, int len)  in sock_rcvlowat()
2127 sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb)  in sock_skb_set_dropcount()
2132 void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk,
2134 void __sock_recv_wifi_status(struct msghdr *msg, struct sock *sk,
2138 sock_recv_timestamp(struct msghdr *msg, struct sock *sk, struct sk_buff *skb)  in sock_recv_timestamp()
2162 void __sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,
2165 static inline void sock_recv_ts_and_drops(struct msghdr *msg, struct sock *sk,  in sock_recv_ts_and_drops()
2179 void __sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags);
2188 static inline void sock_tx_timestamp(const struct sock *sk, __u8 *tx_flags)  in sock_tx_timestamp()
2204 static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb)  in sk_eat_skb()
2211 struct net *sock_net(const struct sock *sk)  in sock_net()
2217 void sock_net_set(struct sock *sk, struct net *net)  in sock_net_set()
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()
2245 static inline bool sk_listener(const struct sock *sk)  in sk_listener()
2257 static inline int sk_state_load(const struct sock *sk)  in sk_state_load()
2270 static inline void sk_state_store(struct sock *sk, int newstate)  in sk_state_store()
2275 void sock_enable_timestamp(struct sock *sk, int flag);
2276 int sock_get_timestamp(struct sock *, struct timeval __user *);
2277 int sock_get_timestampns(struct sock *, struct timespec __user *);
2278 int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, int level,
2281 bool sk_ns_capable(const struct sock *sk,
2283 bool sk_capable(const struct sock *sk, int cap);
2284 bool sk_net_capable(const struct sock *sk, int cap);