X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fnfp%2Fnfp_net.c;h=bab1f68ebaf3240facb4e1b7a7b01a0229aede84;hb=f7378a03d18d186b0c53f57f5bcc939e5c5c227c;hp=4d6a797b01f4bbf9eb386c2777f6a832eb9d5ce8;hpb=f14a51689894dc226f6af4ab39f7439e4384a06b;p=dpdk.git

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 4d6a797b01..bab1f68eba 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -2702,6 +2702,14 @@ 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)) {
+		RTE_LOG(ERR, PMD, "device %s can not be used:",
+				   pci_dev->device.name);
+		RTE_LOG(ERR, 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);
@@ -3282,14 +3290,16 @@ 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,
 };