net/nfp: fix live MAC changes not supported

Some NFP firmwares support live changes to the MAC address, but
this is not always true and the firmware advertises it accordingly.

This patch checks if firmware does not support live changes and
sets RTE_ETH_DEV_NOLIVE_MAC_ADDR in that case.

Cc: stable@dpdk.org
Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>

diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 6e5e305..ee743e9 100644 (file)
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -2886,6 +2886,9 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
        ether_addr_copy((struct ether_addr *)hw->mac_addr,
                        &eth_dev->data->mac_addrs[0]);
 
+       if (!(hw->cap & NFP_NET_CFG_CTRL_LIVE_ADDR))
+               eth_dev->data->dev_flags |= RTE_ETH_DEV_NOLIVE_MAC_ADDR;
+
        PMD_INIT_LOG(INFO, "port %d VendorID=0x%x DeviceID=0x%x "
                     "mac=%02x:%02x:%02x:%02x:%02x:%02x",
                     eth_dev->data->port_id, pci_dev->id.vendor_id,