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From: Jonathan Morton <chromatix99@gmail.com>
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To: Alan Jenkins <alan.christopher.jenkins@gmail.com>
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Subject: Re: [Cake] openwrt build with latest cake and other qdiscs
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> On 14 May, 2015, at 13:33, Alan Jenkins =
<alan.christopher.jenkins@gmail.com> wrote:
>=20
> On 14/05/15 11:24, Jonathan Morton wrote:
>> I can=92t figure out the connection between HTB and that code. Also,
>> that appears to be GSO, not GRO. I=92m not precisely sure what the
>> difference is, but I=92d hazard a guess that GSO is outbound, GRO is
>> inbound.
>=20
> I've just been reading thanks to Seb.  GSO is outbound.  GRO is =
inbound.
>=20
> They appear to interact in routing: if you GRO packets, you end up =
with >MTU skbs, which then *have* to be de-aggregated somehow before you =
can send them.
>=20
> (And the popular reference on GRO is =
https://lwn.net/Articles/358910/).

Which says that GSO can resegment GRO chunks.  Hmm.

Are we typically getting GRO in CPE devices?

 - Jonathan Morton