DDP_TASK_ACTIVE
if (toep->ddp.flags & DDP_TASK_ACTIVE)
toep->ddp.flags |= DDP_TASK_ACTIVE;
toep->ddp.flags &= ~DDP_TASK_ACTIVE;
toep->ddp.flags &= ~DDP_TASK_ACTIVE;
MPASS((toep->ddp.flags & (DDP_TASK_ACTIVE | DDP_DEAD)) != DDP_TASK_ACTIVE);