On 10/15/2014 06:43 PM, Michael S. Tsirkin wrote:
> On Wed, Oct 15, 2014 at 06:25:25PM +0800, Jason Wang wrote:
>> > On 10/15/2014 06:18 PM, Michael S. Tsirkin wrote:
>>> > > On Wed, Oct 15, 2014 at 03:25:29PM +0800, Jason Wang wrote:
> > >> > Orphan skb in ndo_start_xmit() breaks socket accoun
On Wed, Oct 15, 2014 at 06:25:25PM +0800, Jason Wang wrote:
> On 10/15/2014 06:18 PM, Michael S. Tsirkin wrote:
> > On Wed, Oct 15, 2014 at 03:25:29PM +0800, Jason Wang wrote:
> >> > Orphan skb in ndo_start_xmit() breaks socket accounting and packet
> >> > queuing. This in fact breaks lots of thing
On 10/15/2014 06:18 PM, Michael S. Tsirkin wrote:
> On Wed, Oct 15, 2014 at 03:25:29PM +0800, Jason Wang wrote:
>> > Orphan skb in ndo_start_xmit() breaks socket accounting and packet
>> > queuing. This in fact breaks lots of things such as pktgen and several
>> > TCP optimizations. And also make B
On 10/15/2014 05:37 PM, Eric Dumazet wrote:
> On Wed, 2014-10-15 at 15:25 +0800, Jason Wang wrote:
>
> ...
>
>> +static int free_old_xmit_skbs(struct send_queue *sq, int budget)
>> +{
>> +struct sk_buff *skb;
>> +unsigned int len;
>> +struct virtnet_info *vi = sq->vq->vdev->priv;
>> +
On Wed, Oct 15, 2014 at 03:25:29PM +0800, Jason Wang wrote:
> Orphan skb in ndo_start_xmit() breaks socket accounting and packet
> queuing. This in fact breaks lots of things such as pktgen and several
> TCP optimizations. And also make BQL can't be implemented for
> virtio-net.
>
> This patch tri
On Wed, 2014-10-15 at 15:25 +0800, Jason Wang wrote:
...
> +static int free_old_xmit_skbs(struct send_queue *sq, int budget)
> +{
> + struct sk_buff *skb;
> + unsigned int len;
> + struct virtnet_info *vi = sq->vq->vdev->priv;
> + struct virtnet_stats *stats = this_cpu_ptr(vi->sta
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