When using a VDPA device, the following situations are also acceptable: the hardware MAC address is not 0, and the MAC address in the QEMU command line is 0.
Signed-off-by: Cindy Lu <l...@redhat.com> --- hw/net/virtio-net.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c index 7aa7308244..5c610d8078 100644 --- a/hw/net/virtio-net.c +++ b/hw/net/virtio-net.c @@ -3607,6 +3607,18 @@ static bool virtio_net_check_vdpa_mac(NetClientState *nc, VirtIONet *n, if ((memcmp(&hwcfg.mac, cmdline_mac, sizeof(MACAddr)) == 0)) { return true; } + /* + * 2.The hardware MAC address is not 0, + * and the MAC address in the QEMU command line is 0. + * In this situation, the hardware MAC address will overwrite + * the QEMU command line address. + */ + if (memcmp(cmdline_mac, &zero, sizeof(MACAddr)) == 0) { + /* overwrite the mac address with hardware address*/ + memcpy(&n->mac[0], &hwcfg.mac, sizeof(n->mac)); + memcpy(&n->nic_conf.macaddr, &hwcfg.mac, sizeof(n->mac)); + return true; + } } error_setg(errp, -- 2.45.0