13 	ctxt = rcu_dereference(net->ipv4.tcp_fastopen_ctx);  in tcp_fastopen_init_key_once()
52 	ctxt = xchg((__force struct tcp_fastopen_context **)&net->ipv4.tcp_fastopen_ctx, NULL);  in tcp_fastopen_ctx_destroy()
85 		octx = xchg((__force struct tcp_fastopen_context **)&net->ipv4.tcp_fastopen_ctx, ctx);  in tcp_fastopen_reset_cipher()
104 		ctx = rcu_dereference(net->ipv4.tcp_fastopen_ctx);  in tcp_fastopen_get_cipher()
336 	return (READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen) & flag) ||  in tcp_fastopen_no_cookie()
351 	int tcp_fastopen = READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen);  in tcp_try_fastopen()
493 	if (!READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen_blackhole_timeout))  in tcp_fastopen_active_disable()
497 	WRITE_ONCE(net->ipv4.tfo_active_disable_stamp, jiffies);  in tcp_fastopen_active_disable()
503 	atomic_inc(&net->ipv4.tfo_active_disable_times);  in tcp_fastopen_active_disable()
515 		READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_fastopen_blackhole_timeout);  in tcp_fastopen_active_should_disable()
523 	tfo_da_times = atomic_read(&sock_net(sk)->ipv4.tfo_active_disable_times);  in tcp_fastopen_active_should_disable()
534 	timeout = READ_ONCE(sock_net(sk)->ipv4.tfo_active_disable_stamp) +  in tcp_fastopen_active_should_disable()
570 		   atomic_read(&sock_net(sk)->ipv4.tfo_active_disable_times)) {  in tcp_fastopen_active_disable_ofo_check()
573 			atomic_set(&sock_net(sk)->ipv4.tfo_active_disable_times, 0);  in tcp_fastopen_active_disable_ofo_check()