TF_LRD
(tp->t_flags & TF_LRD)) {
if ((tp->t_flags & TF_LRD) && SEQ_GEQ(p->rxmit, p->end))
if ((tp->t_flags & TF_LRD) && SEQ_GEQ(cur->rxmit, cur->end))
if ((tp->t_flags & TF_LRD) && SEQ_GEQ(cur->rxmit, cur->end))
tp->t_flags |= TF_LRD;
(TF_LRD|TF_NOPUSH|TF_NODELAY);