[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [QEMU PATCH v2] virtio-net: introduce a new macaddr con
From: |
Amos Kong |
Subject: |
Re: [Qemu-devel] [QEMU PATCH v2] virtio-net: introduce a new macaddr control |
Date: |
Thu, 17 Jan 2013 16:37:22 +0800 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Thu, Jan 17, 2013 at 01:45:11PM +0800, Amos Kong wrote:
> On Thu, Jan 17, 2013 at 11:49:20AM +1030, Rusty Russell wrote:
> > address@hidden writes:
> > > @@ -349,6 +351,14 @@ static int virtio_net_handle_mac(VirtIONet *n,
> > > uint8_t cmd,
> > > {
> > > struct virtio_net_ctrl_mac mac_data;
> > >
> > > + if (cmd == VIRTIO_NET_CTRL_MAC_ADDR_SET && elem->out_num == 2 &&
> > > + elem->out_sg[1].iov_len == ETH_ALEN) {
> > > + /* Set MAC address */
> > > + memcpy(n->mac, elem->out_sg[1].iov_base,
> > > elem->out_sg[1].iov_len);
> > > + qemu_format_nic_info_str(&n->nic->nc, n->mac);
> > > + return VIRTIO_NET_OK;
> > > + }
> >
> > Does the rest of the net device still rely on the layout of descriptors?
>
> No, only info string of net client relies on n->mac
I misunderstood. There is no clear limitation of how much descriptor are
used for each vq command, but many commands rely on the layout of
descriptiors. eg:
virtio-net:
VIRTIO_NET_CTRL_RX_PROMISC
VIRTIO_NET_CTRL_RX_ALLMULTI
VIRTIO_NET_CTRL_MAC_TABLE_SET
etc
> > If so, OK, we'll fix them all together. If not, this introduces a new
> > one.
> >
> > Cheers,
> > Rusty.
- Re: [Qemu-devel] [PATCH v2 2/2] virtio-net: introduce a new control to set macaddr, (continued)
[Qemu-devel] [PATCH v2 1/2] move virtnet_send_command() above virtnet_set_mac_address(), akong, 2013/01/16
[Qemu-devel] [QEMU PATCH v2] virtio-net: introduce a new macaddr control, akong, 2013/01/16
Re: [Qemu-devel] [QEMU PATCH v2] virtio-net: introduce a new macaddr control, Rusty Russell, 2013/01/16
Re: [Qemu-devel] [QEMU PATCH v2] virtio-net: introduce a new macaddr control, Michael S. Tsirkin, 2013/01/17
Re: [Qemu-devel] [QEMU PATCH v2] virtio-net: introduce a new macaddr control, Amos Kong, 2013/01/17