Re: [PATCH v2,1/1] net/hyperv: Fix the code handling tx busy

[Eric Dumazet]

On Mon, 2012-03-19 at 14:23 -0700, Haiyang Zhang wrote:
> Instead of dropping the packet, we keep the skb buffer, and return
> NETDEV_TX_BUSY to let upper layer retry send. This will not cause
> endless loop, because the host is taking data away from ring buffer,
> and we have called the stop_queue before returning NETDEV_TX_BUSY.
> 
> The stop_queue was called in the function netvsc_send() in file 
> netvsc.c, then it returns to rndis_filter_send(), which returns to
> netvsc_start_xmit() in file netvsc_drv.c. So the NETDEV_TX_BUSY is
> indeed returned AFTER queue is stopped.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> Reviewed-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx>
> ---

Thanks 

Acked-by: Eric Dumazet <eric.dumazet@xxxxxxxxx>


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