19 	ctxt = rcu_dereference(net->ipv4.tcp_fastopen_ctx);  in tcp_fastopen_init_key_once()
58 	spin_lock(&net->ipv4.tcp_fastopen_ctx_lock);  in tcp_fastopen_ctx_destroy()
60 	ctxt = rcu_dereference_protected(net->ipv4.tcp_fastopen_ctx,  in tcp_fastopen_ctx_destroy()
61 				lockdep_is_held(&net->ipv4.tcp_fastopen_ctx_lock));  in tcp_fastopen_ctx_destroy()
62 	rcu_assign_pointer(net->ipv4.tcp_fastopen_ctx, NULL);  in tcp_fastopen_ctx_destroy()
63 	spin_unlock(&net->ipv4.tcp_fastopen_ctx_lock);  in tcp_fastopen_ctx_destroy()
96 	spin_lock(&net->ipv4.tcp_fastopen_ctx_lock);  in tcp_fastopen_reset_cipher()
100 			lockdep_is_held(&net->ipv4.tcp_fastopen_ctx_lock));  in tcp_fastopen_reset_cipher()
103 		octx = rcu_dereference_protected(net->ipv4.tcp_fastopen_ctx,  in tcp_fastopen_reset_cipher()
104 			lockdep_is_held(&net->ipv4.tcp_fastopen_ctx_lock));  in tcp_fastopen_reset_cipher()
105 		rcu_assign_pointer(net->ipv4.tcp_fastopen_ctx, ctx);  in tcp_fastopen_reset_cipher()
107 	spin_unlock(&net->ipv4.tcp_fastopen_ctx_lock);  in tcp_fastopen_reset_cipher()
124 		ctx = rcu_dereference(sock_net(sk)->ipv4.tcp_fastopen_ctx);  in __tcp_fastopen_cookie_gen()
316 	return (sock_net(sk)->ipv4.sysctl_tcp_fastopen & flag) ||  in tcp_fastopen_no_cookie()
331 	int tcp_fastopen = sock_net(sk)->ipv4.sysctl_tcp_fastopen;  in tcp_try_fastopen()
457 	atomic_inc(&net->ipv4.tfo_active_disable_times);  in tcp_fastopen_active_disable()
458 	net->ipv4.tfo_active_disable_stamp = jiffies;  in tcp_fastopen_active_disable()
468 	unsigned int tfo_bh_timeout = sock_net(sk)->ipv4.sysctl_tcp_fastopen_blackhole_timeout;  in tcp_fastopen_active_should_disable()
469 	int tfo_da_times = atomic_read(&sock_net(sk)->ipv4.tfo_active_disable_times);  in tcp_fastopen_active_should_disable()
479 	if (time_before(jiffies, sock_net(sk)->ipv4.tfo_active_disable_stamp + timeout))  in tcp_fastopen_active_should_disable()
513 		   atomic_read(&sock_net(sk)->ipv4.tfo_active_disable_times)) {  in tcp_fastopen_active_disable_ofo_check()
516 			atomic_set(&sock_net(sk)->ipv4.tfo_active_disable_times, 0);  in tcp_fastopen_active_disable_ofo_check()