36 				       struct request_sock *req);
38 				    struct request_sock *req);
41 	void		(*destructor)(struct request_sock *req);
42 	void		(*syn_ack_timeout)(const struct request_sock *req);
45 int inet_rtx_syn_ack(const struct sock *parent, struct request_sock *req);
76 static inline struct sock *req_to_sk(struct request_sock *req)  in req_to_sk()  argument
78 	return (struct sock *)req;  in req_to_sk()
85 	struct request_sock *req;  in reqsk_alloc()  local
87 	req = kmem_cache_alloc(ops->slab, GFP_ATOMIC | __GFP_NOWARN);  in reqsk_alloc()
89 	if (req) {  in reqsk_alloc()
90 		req->rsk_ops = ops;  in reqsk_alloc()
93 			req->rsk_listener = sk_listener;  in reqsk_alloc()
95 			req->rsk_listener = NULL;  in reqsk_alloc()
97 		req_to_sk(req)->sk_prot = sk_listener->sk_prot;  in reqsk_alloc()
98 		sk_node_init(&req_to_sk(req)->sk_node);  in reqsk_alloc()
99 		sk_tx_queue_clear(req_to_sk(req));  in reqsk_alloc()
100 		req->saved_syn = NULL;  in reqsk_alloc()
104 		atomic_set(&req->rsk_refcnt, 0);  in reqsk_alloc()
106 	return req;  in reqsk_alloc()
109 static inline void reqsk_free(struct request_sock *req)  in reqsk_free()  argument
112 	WARN_ON_ONCE(atomic_read(&req->rsk_refcnt) != 0);  in reqsk_free()
114 	req->rsk_ops->destructor(req);  in reqsk_free()
115 	if (req->rsk_listener)  in reqsk_free()
116 		sock_put(req->rsk_listener);  in reqsk_free()
117 	kfree(req->saved_syn);  in reqsk_free()
118 	kmem_cache_free(req->rsk_ops->slab, req);  in reqsk_free()
121 static inline void reqsk_put(struct request_sock *req)  in reqsk_put()  argument
123 	if (atomic_dec_and_test(&req->rsk_refcnt))  in reqsk_put()
124 		reqsk_free(req);  in reqsk_put()
181 void reqsk_fastopen_remove(struct sock *sk, struct request_sock *req,
192 	struct request_sock *req;  in reqsk_queue_remove()  local
195 	req = queue->rskq_accept_head;  in reqsk_queue_remove()
196 	if (req) {  in reqsk_queue_remove()
198 		queue->rskq_accept_head = req->dl_next;  in reqsk_queue_remove()
203 	return req;  in reqsk_queue_remove()
207 				       const struct request_sock *req)  in reqsk_queue_removed()  argument
209 	if (req->num_timeout == 0)  in reqsk_queue_removed()