Allow the guest to write to the MAC address config space and update the network info string when it does. Rename get_config for symmetry.
Signed-off-by: Alex Williamson <[email protected]> --- qemu/hw/virtio-net.c | 18 ++++++++++++++++-- 1 files changed, 16 insertions(+), 2 deletions(-) diff --git a/qemu/hw/virtio-net.c b/qemu/hw/virtio-net.c index 6ce2ff5..3767ecc 100644 --- a/qemu/hw/virtio-net.c +++ b/qemu/hw/virtio-net.c @@ -45,7 +45,7 @@ static VirtIONet *to_virtio_net(VirtIODevice *vdev) return (VirtIONet *)vdev; } -static void virtio_net_update_config(VirtIODevice *vdev, uint8_t *config) +static void virtio_net_get_config(VirtIODevice *vdev, uint8_t *config) { VirtIONet *n = to_virtio_net(vdev); struct virtio_net_config netcfg; @@ -55,6 +55,19 @@ static void virtio_net_update_config(VirtIODevice *vdev, uint8_t *config) memcpy(config, &netcfg, sizeof(netcfg)); } +static void virtio_net_set_config(VirtIODevice *vdev, const uint8_t *config) +{ + VirtIONet *n = to_virtio_net(vdev); + struct virtio_net_config netcfg; + + memcpy(&netcfg, config, sizeof(netcfg)); + + if (memcmp(netcfg.mac, n->mac, 6)) { + memcpy(n->mac, netcfg.mac, 6); + qemu_format_nic_info_str(n->vc, n->mac); + } +} + static void virtio_net_set_link_status(VLANClientState *vc) { VirtIONet *n = vc->opaque; @@ -437,7 +450,8 @@ PCIDevice *virtio_net_init(PCIBus *bus, NICInfo *nd, int devfn) if (!n) return NULL; - n->vdev.get_config = virtio_net_update_config; + n->vdev.get_config = virtio_net_get_config; + n->vdev.set_config = virtio_net_set_config; n->vdev.get_features = virtio_net_get_features; n->vdev.set_features = virtio_net_set_features; n->rx_vq = virtio_add_queue(&n->vdev, 256, virtio_net_handle_rx); -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
