Messages in this thread | | | Date | Thu, 17 Sep 2015 13:10:37 -0700 (PDT) | Subject | Re: [PATCH net-next RFC] net: increase LL_MAX_HEADER for Hyper-V | From | David Miller <> |
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From: KY Srinivasan <kys@microsoft.com> Date: Thu, 17 Sep 2015 19:52:01 +0000
> > >> -----Original Message----- >> Have a pre-cooked ring of buffers for these descriptors that you can >> point the chip at. No per-packet allocation is necessary at all. > > Even if I had a ring of buffers, I would still need to manage the life cycle > of these buffers - selecting an unused one on the transmit path and marking > it used (atomically).
Have one per TX ring entry, then the lifetime matches the lifetime of the TX entry itself and therefore you need do nothing.
That's the whole idea.
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