use_ecn 325 net/ipv4/tcp_output.c bool use_ecn = sock_net(sk)->ipv4.sysctl_tcp_ecn == 1 || use_ecn 328 net/ipv4/tcp_output.c if (!use_ecn) { use_ecn 332 net/ipv4/tcp_output.c use_ecn = true; use_ecn 337 net/ipv4/tcp_output.c if (use_ecn) { use_ecn 249 net/sched/sch_choke.c if (use_harddrop(q) || !use_ecn(q) || use_ecn 262 net/sched/sch_choke.c if (!use_ecn(q) || !INET_ECN_set_ce(skb)) {