Symbol: TF2_CANNOT_DO_ECN
sys/netinet/tcp_stacks/bbr.c
14105
tp->t_flags2 |= TF2_CANNOT_DO_ECN;
sys/netinet/tcp_stacks/bbr.c
9950
tp->t_flags2 |= TF2_CANNOT_DO_ECN;
sys/netinet/tcp_syncache.c
1758
if (V_tcp_do_ecn && (tp->t_flags2 & TF2_CANNOT_DO_ECN) == 0)