323     struct NPCMGMACRxDesc rx_desc;  in gmac_receive()  local
342     if (gmac_read_rx_desc(desc_addr, &rx_desc)) {  in gmac_receive()
351     if (!(rx_desc.rdes0 & RX_DESC_RDES0_OWN)) {  in gmac_receive()
367     trace_npcm_gmac_debug_desc_data(DEVICE(gmac)->canonical_path, &rx_desc,  in gmac_receive()
368                                     rx_desc.rdes0, rx_desc.rdes1, rx_desc.rdes2,  in gmac_receive()
369                                     rx_desc.rdes3);  in gmac_receive()
371     rx_desc.rdes0 = RX_DESC_RDES0_FIRST_DESC_MASK;  in gmac_receive()
382         rx_desc.rdes0 &= ~RX_DESC_RDES0_OWN;  in gmac_receive()
384         rx_desc.rdes0 |= RX_DESC_RDES0_FRM_TYPE_MASK;  in gmac_receive()
387         rx_buf_len = RX_DESC_RDES1_BFFR1_SZ_MASK(rx_desc.rdes1);  in gmac_receive()
388         rx_buf_addr = rx_desc.rdes2;  in gmac_receive()
397          if (!(rx_desc.rdes1 & RX_DESC_RDES1_SEC_ADDR_CHND_MASK) && \  in gmac_receive()
400             rx_buf_len = RX_DESC_RDES1_BFFR2_SZ_MASK(rx_desc.rdes1);  in gmac_receive()
401             rx_buf_addr = rx_desc.rdes3;  in gmac_receive()
413         rx_desc.rdes0 &= ~RX_DESC_RDES0_OWN;  in gmac_receive()
415         rx_desc.rdes0 |= ((uint32_t)transferred)  in gmac_receive()
417         trace_npcm_gmac_debug_desc_data(DEVICE(gmac)->canonical_path, &rx_desc,  in gmac_receive()
418                                         rx_desc.rdes0, rx_desc.rdes1,  in gmac_receive()
419                                         rx_desc.rdes2, rx_desc.rdes3);  in gmac_receive()
422         gmac_write_rx_desc(desc_addr, &rx_desc);  in gmac_receive()
424                                         &rx_desc, rx_desc.rdes0,  in gmac_receive()
425                                         rx_desc.rdes1, rx_desc.rdes2,  in gmac_receive()
426                                         rx_desc.rdes3);  in gmac_receive()
430             if (rx_desc.rdes1 & RX_DESC_RDES1_RC_END_RING_MASK) {  in gmac_receive()
432             } else if (rx_desc.rdes1 & RX_DESC_RDES1_SEC_ADDR_CHND_MASK) {  in gmac_receive()
433                 desc_addr = rx_desc.rdes3;  in gmac_receive()
435                 desc_addr += sizeof(rx_desc);  in gmac_receive()
439             if (gmac_read_rx_desc(desc_addr, &rx_desc)) {  in gmac_receive()
449             if (!(rx_desc.rdes0 & RX_DESC_RDES0_OWN)) {  in gmac_receive()
452                     rx_desc.rdes0 |= RX_DESC_RDES0_DESC_ERR_MASK;  in gmac_receive()
457             rx_desc.rdes0 = 0;  in gmac_receive()
463     rx_desc.rdes0 |= RX_DESC_RDES0_LAST_DESC_MASK;  in gmac_receive()
464     if (!(rx_desc.rdes1 & RX_DESC_RDES1_DIS_INTR_COMP_MASK)) {  in gmac_receive()
468     trace_npcm_gmac_debug_desc_data(DEVICE(gmac)->canonical_path, &rx_desc,  in gmac_receive()
469                                     rx_desc.rdes0, rx_desc.rdes1, rx_desc.rdes2,  in gmac_receive()
470                                     rx_desc.rdes3);  in gmac_receive()
479     gmac_write_rx_desc(desc_addr, &rx_desc);  in gmac_receive()
482     if (rx_desc.rdes1 & RX_DESC_RDES1_RC_END_RING_MASK) {  in gmac_receive()
484     } else if (rx_desc.rdes1 & RX_DESC_RDES1_SEC_ADDR_CHND_MASK) {  in gmac_receive()
485         desc_addr = rx_desc.rdes3;  in gmac_receive()
487         desc_addr += sizeof(rx_desc);  in gmac_receive()