Messages in this thread | | | Date | Fri, 22 Mar 2013 10:11:39 -0400 (EDT) | Subject | Re: [PATCH] net: Add support for handling queueing in hardware | From | David Miller <> |
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From: Andy Fleming <afleming@freescale.com> Date: Wed, 13 Jul 2011 08:52:04 -0500
> The QDisc code does a bunch of locking which is unnecessary if > you have hardware which handles all of the queueing. Add > support for this, and skip over all of the queueing code if > the feature is enabled on a given device, which breaks QDisc > support on dpaa_eth, and also coopts the FCOE feature bit. > > Signed-off-by: Andy Fleming <afleming@freescale.com> > Signed-off-by: Ben Collins <ben.c@servergy.com>
Sorry, no.
If we are going to support something like this then there needs to be full coordination, configuration wise, so that if we enable a qdisc that the hardware supports we submit it directly, but if we enable a qdisc the HW does not support, we still use the software qdisc.
This also means that we need to have a way to determine if the qdisc configuration exceeds that parametorial limits of the device's HW capabilities, and fallback to software qdisc in those cases too.
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