diff options
Diffstat (limited to 'drivers/net/nfp/nfp_net.c')
| -rw-r--r-- | drivers/net/nfp/nfp_net.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c index d9cd0473..8ab28dde 100644 --- a/drivers/net/nfp/nfp_net.c +++ b/drivers/net/nfp/nfp_net.c @@ -2292,11 +2292,15 @@ nfp_net_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts) txq->wr_p = 0; pkt_size -= dma_size; - if (!pkt_size) - /* End of packet */ - txds->offset_eop |= PCIE_DESC_TX_EOP; + + /* + * Making the EOP, packets with just one segment + * the priority + */ + if (likely(!pkt_size)) + txds->offset_eop = PCIE_DESC_TX_EOP; else - txds->offset_eop &= PCIE_DESC_TX_OFFSET_MASK; + txds->offset_eop = 0; pkt = pkt->next; /* Referencing next free TX descriptor */ @@ -2649,6 +2653,14 @@ nfp_net_init(struct rte_eth_dev *eth_dev) pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); + /* NFP can not handle DMA addresses requiring more than 40 bits */ + if (rte_eal_check_dma_mask(40) < 0) { + RTE_LOG(INFO, PMD, "device %s can not be used:", + pci_dev->device.name); + RTE_LOG(INFO, PMD, "\trestricted dma mask to 40 bits!\n"); + return -ENODEV; + }; + if ((pci_dev->id.device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) || (pci_dev->id.device_id == PCI_DEVICE_ID_NFP6000_PF_NIC)) { port = get_pf_port_number(eth_dev->data->name); @@ -3045,14 +3057,16 @@ static int eth_nfp_pci_remove(struct rte_pci_device *pci_dev) static struct rte_pci_driver rte_nfp_net_pf_pmd = { .id_table = pci_id_nfp_pf_net_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC | + RTE_PCI_DRV_IOVA_AS_VA, .probe = nfp_pf_pci_probe, .remove = eth_nfp_pci_remove, }; static struct rte_pci_driver rte_nfp_net_vf_pmd = { .id_table = pci_id_nfp_vf_net_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC | + RTE_PCI_DRV_IOVA_AS_VA, .probe = eth_nfp_pci_probe, .remove = eth_nfp_pci_remove, }; |