Symbol: TOF_DSACK
sys/netinet/tcp_input.c
2747
to->to_flags |= TOF_DSACK;
sys/netinet/tcp_input.c
3509
(to_flags & (TOF_DSACK | TOF_SACK_REDUNDANT)) ==
sys/netinet/tcp_input.c
3510
(TOF_DSACK | TOF_SACK_REDUNDANT)) {