EX_IP4CSUMTX_PADLEN
if (__predict_false(totlen <= EX_IP4CSUMTX_PADLEN &&
seglen = EX_IP4CSUMTX_PADLEN + 1 - totlen;
DPDMEM_SIZE + EX_IP4CSUMTX_PADLEN, PAGE_SIZE, 0, &sc->sc_dseg, 1,
DPDMEM_SIZE + EX_IP4CSUMTX_PADLEN, (void **)&sc->sc_dpd,
memset(sc->sc_dpd, 0, DPDMEM_SIZE + EX_IP4CSUMTX_PADLEN);
DPDMEM_SIZE + EX_IP4CSUMTX_PADLEN, 1,
DPDMEM_SIZE + EX_IP4CSUMTX_PADLEN, 0, BUS_DMA_NOWAIT,
sc->sc_dpd, DPDMEM_SIZE + EX_IP4CSUMTX_PADLEN, NULL,
DPDMEMPAD_OFF, EX_IP4CSUMTX_PADLEN, BUS_DMASYNC_PREWRITE);