36 	int	    (*queue_xmit)(struct sock *sk, struct sk_buff *skb, struct flowi *fl);
37 	void	    (*send_check)(struct sock *sk, struct sk_buff *skb);
38 	int	    (*rebuild_header)(struct sock *sk);
39 	void	    (*sk_rx_dst_set)(struct sock *sk, const struct sk_buff *skb);
40 	int	    (*conn_request)(struct sock *sk, struct sk_buff *skb);
41 	struct sock *(*syn_recv_sock)(const struct sock *sk, struct sk_buff *skb,
46 				      void (*opt_child_init)(struct sock *newsk,
47 							     const struct sock *sk));
49 	int	    (*setsockopt)(struct sock *sk, int level, int optname,
51 	int	    (*getsockopt)(struct sock *sk, int level, int optname,
53 	void	    (*mtu_reduced)(struct sock *sk);
102 	unsigned int		  (*icsk_sync_mss)(struct sock *sk, u32 pmtu);
154 static inline void *inet_csk_ca(const struct sock *sk)  in inet_csk_ca()
159 struct sock *inet_csk_clone_lock(const struct sock *sk,
172 void inet_csk_init_xmit_timers(struct sock *sk,
176 void inet_csk_clear_xmit_timers(struct sock *sk);
177 void inet_csk_clear_xmit_timers_sync(struct sock *sk);
179 static inline void inet_csk_schedule_ack(struct sock *sk)  in inet_csk_schedule_ack()
184 static inline int inet_csk_ack_scheduled(const struct sock *sk)  in inet_csk_ack_scheduled()
189 static inline void inet_csk_delack_init(struct sock *sk)  in inet_csk_delack_init()
194 static inline unsigned long tcp_timeout_expires(const struct sock *sk)  in tcp_timeout_expires()
205 static inline void inet_csk_clear_xmit_timer(struct sock *sk, const int what)  in inet_csk_clear_xmit_timer()
228 static inline void inet_csk_reset_xmit_timer(struct sock *sk, const int what,  in inet_csk_reset_xmit_timer()
263 struct sock *inet_csk_accept(struct sock *sk, struct proto_accept_arg *arg);
265 int inet_csk_get_port(struct sock *sk, unsigned short snum);
267 struct dst_entry *inet_csk_route_req(const struct sock *sk, struct flowi4 *fl4,
269 struct dst_entry *inet_csk_route_child_sock(const struct sock *sk,
270 					    struct sock *newsk,
273 struct sock *inet_csk_reqsk_queue_add(struct sock *sk,
275 				      struct sock *child);
276 bool inet_csk_reqsk_queue_hash_add(struct sock *sk, struct request_sock *req);
277 struct sock *inet_csk_complete_hashdance(struct sock *sk, struct sock *child,
281 static inline void inet_csk_reqsk_queue_added(struct sock *sk)  in inet_csk_reqsk_queue_added()
286 static inline int inet_csk_reqsk_queue_len(const struct sock *sk)  in inet_csk_reqsk_queue_len()
291 static inline int inet_csk_reqsk_queue_is_full(const struct sock *sk)  in inet_csk_reqsk_queue_is_full()
296 bool inet_csk_reqsk_queue_drop(struct sock *sk, struct request_sock *req);
297 void inet_csk_reqsk_queue_drop_and_put(struct sock *sk, struct request_sock *req);
299 void inet_csk_destroy_sock(struct sock *sk);
300 void inet_csk_prepare_for_destroy_sock(struct sock *sk);
301 void inet_csk_prepare_forced_close(struct sock *sk);
306 static inline __poll_t inet_csk_listen_poll(const struct sock *sk)  in inet_csk_listen_poll()
312 int inet_csk_listen_start(struct sock *sk);
313 void inet_csk_listen_stop(struct sock *sk);
316 void inet_csk_update_fastreuse(const struct sock *sk,
320 struct dst_entry *inet_csk_update_pmtu(struct sock *sk, u32 mtu);
322 static inline void inet_csk_enter_pingpong_mode(struct sock *sk)  in inet_csk_enter_pingpong_mode()
328 static inline void inet_csk_exit_pingpong_mode(struct sock *sk)  in inet_csk_exit_pingpong_mode()
333 static inline bool inet_csk_in_pingpong_mode(struct sock *sk)  in inet_csk_in_pingpong_mode()
339 static inline void inet_csk_inc_pingpong_cnt(struct sock *sk)  in inet_csk_inc_pingpong_cnt()
347 static inline bool inet_csk_has_ulp(const struct sock *sk)  in inet_csk_has_ulp()
352 static inline void inet_init_csk_locks(struct sock *sk)  in inet_init_csk_locks()