TFO_CLIENT_ENABLE 1148 net/ipv4/tcp.c if (!(sock_net(sk)->ipv4.sysctl_tcp_fastopen & TFO_CLIENT_ENABLE) || TFO_CLIENT_ENABLE 3117 net/ipv4/tcp.c } else if (net->ipv4.sysctl_tcp_fastopen & TFO_CLIENT_ENABLE) { TFO_CLIENT_ENABLE 2724 net/ipv4/tcp_ipv4.c net->ipv4.sysctl_tcp_fastopen = TFO_CLIENT_ENABLE;