567     uint32_t intstatus, status, buffer, sum = 0;  in sunhme_transmit()  local
576     pci_dma_read(d, tb + cr * HME_DESC_SIZE, &status, 4);  in sunhme_transmit()
580     while (status & HME_XD_OWN) {  in sunhme_transmit()
581         trace_sunhme_tx_desc(buffer, status, cr, nr);  in sunhme_transmit()
585         len = status & HME_XD_TXLENMSK;  in sunhme_transmit()
595         if (status & HME_XD_SOP) {  in sunhme_transmit()
597             csum_offset = (status & HME_XD_TXCSSTART) >> HME_XD_TXCSSTARTSHIFT;  in sunhme_transmit()
598             csum_stuff_offset = (status & HME_XD_TXCSSTUFF) >>  in sunhme_transmit()
602         if (status & HME_XD_TXCKSUM) {  in sunhme_transmit()
615         if (status & HME_XD_EOP) {  in sunhme_transmit()
617             if (status & HME_XD_TXCKSUM) {  in sunhme_transmit()
630         status &= ~HME_XD_OWN;  in sunhme_transmit()
631         pci_dma_write(d, tb + cr * HME_DESC_SIZE, &status, 4);  in sunhme_transmit()
640         pci_dma_read(d, tb + cr * HME_DESC_SIZE, &status, 4);  in sunhme_transmit()
723     uint32_t intstatus, status, buffer, buffersize, sum;  in sunhme_receive()  local
779     pci_dma_read(d, rb + cr * HME_DESC_SIZE, &status, 4);  in sunhme_receive()
783     if (!(status & HME_XD_OWN)) {  in sunhme_receive()
794     buffersize = (status & HME_XD_RXLENMSK) >> HME_XD_RXLENSHIFT;  in sunhme_receive()
799         status |= HME_XD_OFL;  in sunhme_receive()
805     trace_sunhme_rx_desc(buffer, rxoffset, status, len, cr, nr);  in sunhme_receive()
817     status &= ~HME_XD_OWN;  in sunhme_receive()
818     status &= ~HME_XD_RXLENMSK;  in sunhme_receive()
819     status |= len << HME_XD_RXLENSHIFT;  in sunhme_receive()
820     status &= ~HME_XD_RXCKSUM;  in sunhme_receive()
821     status |= csum;  in sunhme_receive()
823     pci_dma_write(d, rb + cr * HME_DESC_SIZE, &status, 4);  in sunhme_receive()