AGGR_BUF_MIDDLE
i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) {
case AGGR_BUF_MIDDLE:
if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST)
case AGGR_BUF_MIDDLE:
info.aggr = AGGR_BUF_MIDDLE;