RE: [PATCH net v2 2/3] r8152: modify the tx flow

From: hayeswang
Date: Tue Nov 05 2013 - 07:46:31 EST


David Miller [mailto:davem@xxxxxxxxxxxxx]
> Sent: Tuesday, November 05, 2013 4:53 AM
> To: Hayeswang
> Cc: netdev@xxxxxxxxxxxxxxx; nic_swsd;
> linux-kernel@xxxxxxxxxxxxxxx; linux-usb@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH net v2 2/3] r8152: modify the tx flow
[...]
> The more TX work you push into the workqueue handler, the longer the
> latency for releasing the SKB and releasing all the queues that are
> waiting for release of that packet.
>
> Do you know that sockets, queueing discplines, etc. all rely upon
> there being a timely release of SKBs once they are successfully
> transmitted? It must happen at the earliest moment possible that
> can be reasonable obtained.

Thanks for your answer. I would resend the patches after finishing the
setting of the queue length.

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