Symbol: TCP_ACCECN_OPTION_FULL
net/ipv4/tcp_ipv4.c
3436
net->ipv4.sysctl_tcp_ecn_option = TCP_ACCECN_OPTION_FULL;
net/ipv4/tcp_output.c
1229
(ecn_opt >= TCP_ACCECN_OPTION_FULL || tp->accecn_opt_demand ||