Re: [PATCH 15/21] virtio-net: replace qemu_sendv_packet_async() with qemu_sendv_packet_async_proxy().

Yoshiaki Tamura
2010-11-28T11:43:15Z

2010/11/28 Michael S. Tsirkin <mst@redhat.com>:
> On Thu, Nov 25, 2010 at 03:06:54PM +0900, Yoshiaki Tamura wrote:
>> Replace replace qemu_sendv_packet_async() with
>> qemu_sendv_packet_async_proxy() to let event-tap capture events from
>> virtio-net.
>>
>> Signed-off-by: Yoshiaki Tamura <tamura.yoshiaki@lab.ntt.co.jp>
>
> Why does every device need to know about eent tap?
> Can qemu_sendv_packet_async just do the right thing instead?

If we let net layer notify event-tap, devices don't have to know
about event-tap. Most people want to go to that direction, and I
would follow it in the next spin.

Yoshi

>
>> ---
>>  hw/virtio-net.c |    4 ++--
>>  1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/hw/virtio-net.c b/hw/virtio-net.c
>> index 1d61f19..8c76346 100644
>> --- a/hw/virtio-net.c
>> +++ b/hw/virtio-net.c
>> @@ -710,8 +710,8 @@ static int32_t virtio_net_flush_tx(VirtIONet *n, VirtQueue *vq)
>>              len += hdr_len;
>>          }
>>
>> -        ret = qemu_sendv_packet_async(&n->nic->nc, out_sg, out_num,
>> -                                      virtio_net_tx_complete);
>> +        ret = qemu_sendv_packet_async_proxy(&n->nic->nc, out_sg, out_num,
>> +                                            virtio_net_tx_complete);
>>          if (ret == 0) {
>>              virtio_queue_set_notification(n->tx_vq, 0);
>>              n->async_tx.elem = elem;
>> --
>> 1.7.1.2
>>
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