Re: [PATCH v2 net-next] net: introduce gro_frag_list_enable sysctl

Jerry Chu
2013-10-30T04:15:53Z

On Tue, Oct 29, 2013 at 9:09 PM, Herbert Xu <herbert@gondor.apana.org.au> wrote:
> On Wed, Oct 30, 2013 at 12:08:18PM +0800, Herbert Xu wrote:
>> On Tue, Oct 29, 2013 at 09:06:52PM -0700, Eric Dumazet wrote:
>> >
>> > I am not sure 64K GRO packets that must be segmented are going to be
>> > faster than 22K packets without segmentation at all (TSO path on xmit)
>>
>> Indeed that is a tough call, but I think conceptually the 64K
>> case is much nicer than a sysctl that gets magically turned off.
>
> Also at some point we'll want to do >64K GRO/GSO too so we'll
> have to face this complexity one day.

Not sure how this is possible with the IP datagram length limit. (Am I
missing something, like pkt chaining?)

Jerry

>
> Cheers,
> --
> Email: Herbert Xu <herbert@gondor.apana.org.au>
> Home Page: http://gondor.apana.org.au/~herbert/
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