On Friday 30 January 2009 09:35:23 Alex Williamson wrote:
> + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN,
> + VIRTIO_NET_CTRL_VLAN_ADD, &vid, sizeof(vid)))
> + printk(KERN_WARNING "%s: Failed to add VLAN ID %d.\n",
> + dev->name, vid);
> +}
Hmm, I should have mentioned dev_warn() in previous patches.
And possibly (since we never expect it to happen), we should move it into
virtnet_send_command to save all the callers sweating on it. It'd be
less informative tho.
> + if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VLAN)) {
> + u8 enable = 1;
> +
> + /* Enable VLAN filtering */
> + if (virtnet_send_command(vi, VIRTIO_NET_CTRL_VLAN,
> + VIRTIO_NET_CTRL_VLAN_ENABLE,
> + &enable, sizeof(enable)))
> + dev->features |= NETIF_F_HW_VLAN_FILTER;
> + else
> + printk(KERN_WARNING "virtio_net: "
> + "Failed to enable VLAN filter\n");
> + }
We can kill VLAN_ENABLE. We activate it by acking the feature bit.
So this becomes:
if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VLAN))
dev->features |= NETIF_F_HW_VLAN_FILTER;
> + * The VLAN filter table is controlled via a simple ADD/DEL interface.
> + * VLAN IDs not added will be dropped. Del is the opposite of add.
> + * Both commands expect an out entry containing a 2 byte VLAN ID.
s/will be dropped/may be filtered out by the host/ ?
Cheers,
Rusty.
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