Symbol: TF_NCR
sys/netinet/tcp_input.c
3164
tp->t_flags &= ~TF_NCR;
sys/netinet/tcp_subr.c
757
tp->t_flags |= TF_NCR;
sys/netinet/tcp_var.h
618
#define TCP_DO_NCR(tp) (((tp)->t_flags & TF_NCR) && TCP_DO_SACK((tp)))