[Qemu-devel] Re: [PATCH 31/41] virtio-net: we know macs size at compile time, make it static

[Michael S. Tsirkin]

No objection to this or similar change with vlans,
but I'd like to know why was this made a separate buffer
originally.


On Wed, Dec 02, 2009 at 01:04:29PM +0100, Juan Quintela wrote:
> 
> Signed-off-by: Juan Quintela <address@hidden>
> ---
>  hw/virtio-net.c |    6 +-----
>  1 files changed, 1 insertions(+), 5 deletions(-)
> 
> diff --git a/hw/virtio-net.c b/hw/virtio-net.c
> index c515e0e..550a814 100644
> --- a/hw/virtio-net.c
> +++ b/hw/virtio-net.c
> @@ -54,7 +54,7 @@ typedef struct VirtIONet
>          uint32_t first_multi;
>          uint8_t multi_overflow;
>          uint8_t uni_overflow;
> -        uint8_t *macs;
> +        uint8_t macs[MAC_TABLE_ENTRIES * ETH_ALEN];
>      } mac_table;
>      uint8_t vlans[MAX_VLAN >> 3];
>  } VirtIONet;
> @@ -860,8 +860,6 @@ VirtIODevice *virtio_net_init(DeviceState *dev, NICConf 
> *conf)
>      n->mergeable_rx_bufs = 0;
>      n->promisc = 1; /* for compatibility */
> 
> -    n->mac_table.macs = qemu_mallocz(MAC_TABLE_ENTRIES * ETH_ALEN);
> -
>      register_savevm("virtio-net", virtio_net_id++, VIRTIO_NET_VM_VERSION,
>                      virtio_net_save, virtio_net_load, n);
> 
> @@ -876,8 +874,6 @@ void virtio_net_exit(VirtIODevice *vdev)
> 
>      unregister_savevm("virtio-net", n);
> 
> -    qemu_free(n->mac_table.macs);
> -
>      qemu_del_timer(n->tx_timer);
>      qemu_free_timer(n->tx_timer);
> 
> -- 
> 1.6.5.2