On Mon, Jun 21, 2010 at 07:53:43PM +0930, Rusty Russell wrote:
> On Mon, 21 Jun 2010 06:03:16 pm Michael S. Tsirkin wrote:
> > On Mon, Jun 21, 2010 at 12:13:49PM +0930, Rusty Russell wrote:
> > > - return NETDEV_TX_BUSY;
> > > + kfree_skb(skb);
> > > + return NETDEV_TX_OK;
>
On Mon, 21 Jun 2010 06:03:16 pm Michael S. Tsirkin wrote:
> On Mon, Jun 21, 2010 at 12:13:49PM +0930, Rusty Russell wrote:
> > - return NETDEV_TX_BUSY;
> > + kfree_skb(skb);
> > + return NETDEV_TX_OK;
>
> If we do so, let's increment the dropped counter and/or error c
On Mon, Jun 21, 2010 at 12:13:49PM +0930, Rusty Russell wrote:
> On Fri, 11 Jun 2010 04:33:43 am Michael S. Tsirkin wrote:
> > > > > @@ -572,12 +571,14 @@ again:
> > > > >
> > > > > /* This can happen with OOM and indirect buffers. */
> > > > > if (unlikely(capacity < 0)) {
> > > > > -
On Fri, 11 Jun 2010 04:33:43 am Michael S. Tsirkin wrote:
> > > > @@ -572,12 +571,14 @@ again:
> > > >
> > > > /* This can happen with OOM and indirect buffers. */
> > > > if (unlikely(capacity < 0)) {
> > > > - netif_stop_queue(dev);
> > > > - dev_warn(
On Fri, 11 Jun 2010 04:33:43 am Michael S. Tsirkin wrote:
> On Thu, Jun 10, 2010 at 10:46:53AM -0700, Stephen Hemminger wrote:
> > It makes more sense to have the device increment tx_droppped,
> > and return NETDEV_TX_OK. Skip the message (or make it a pr_debug()).
> > Network devices do not guar
On Thu, Jun 10, 2010 at 10:17:07AM -0700, Sridhar Samudrala wrote:
> On Thu, 2010-06-10 at 18:20 +0300, Michael S. Tsirkin wrote:
> > virtio net will never try to overflow the TX ring, so the only reason
> > add_buf may fail is out of memory. Thus, we can not stop the
> > device until some request
On Thu, Jun 10, 2010 at 10:46:53AM -0700, Stephen Hemminger wrote:
> On Thu, 10 Jun 2010 10:17:07 -0700
> Sridhar Samudrala wrote:
>
> > On Thu, 2010-06-10 at 18:20 +0300, Michael S. Tsirkin wrote:
> > > virtio net will never try to overflow the TX ring, so the only reason
> > > add_buf may fail
On Thu, 10 Jun 2010 10:17:07 -0700
Sridhar Samudrala wrote:
> On Thu, 2010-06-10 at 18:20 +0300, Michael S. Tsirkin wrote:
> > virtio net will never try to overflow the TX ring, so the only reason
> > add_buf may fail is out of memory. Thus, we can not stop the
> > device until some request compl
On Thu, 2010-06-10 at 18:20 +0300, Michael S. Tsirkin wrote:
> virtio net will never try to overflow the TX ring, so the only reason
> add_buf may fail is out of memory. Thus, we can not stop the
> device until some request completes - there's no guarantee anything
> at all is outstanding.
>
> Mak
virtio net will never try to overflow the TX ring, so the only reason
add_buf may fail is out of memory. Thus, we can not stop the
device until some request completes - there's no guarantee anything
at all is outstanding.
Make the error message clearer as well: error here does not
indicate queue f
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