Re: [PATCH v2 net-next 1/2] net: mana: Allow tso_max_size to go up-to GSO_MAX_SIZE

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On Mon, Feb 10, 2025 at 07:02:04PM +0100, Eric Dumazet wrote:
> On Mon, Feb 10, 2025 at 6:59???PM Shradha Gupta
> <shradhagupta@xxxxxxxxxxxxxxxxxxx> wrote:
> >
> > On Mon, Feb 10, 2025 at 09:57:53AM -0800, Shradha Gupta wrote:
> > > On Mon, Feb 10, 2025 at 04:55:54PM +0100, Eric Dumazet wrote:
> > > > On Mon, Feb 10, 2025 at 5:40???AM Shradha Gupta
> > > > <shradhagupta@xxxxxxxxxxxxxxxxxxx> wrote:
> > > > >
> > > > > Allow the max aggregated pkt size to go up-to GSO_MAX_SIZE for MANA NIC.
> > > > > This patch only increases the max allowable gso/gro pkt size for MANA
> > > > > devices and does not change the defaults.
> > > > > Following are the perf benefits by increasing the pkt aggregate size from
> > > > > legacy gso_max_size value(64K) to newer one(up-to 511K)
> > > > >
> > > > > for i in {1..10}; do netperf -t TCP_RR  -H 10.0.0.5 -p50000 -- -r80000,80000
> > > > > -O MIN_LATENCY,P90_LATENCY,P99_LATENCY,THROUGHPUT|tail -1; done
> > > >
> > > > Was this tested with IPv6 ?
> > >
> > > Hi Eric,
> > > yes, sanity and functional testing where performed(manually) and passed on azure
> > > VMs with IPv6.
> > Forgot to mention that the tests were performed on both IPv4 and IPv6
> > and these numbers are from IPv4 testing
> 
> Where is the IPv6 jumbo header removed ?
I think this is missed in this patchset. In our IPv6 tests, patch sanity was
performed without changing the default values.
I will add this support, thorughly test IPv6 and send out another
version with complete IPv6 support and numbers.

Thanks for the pointers Eric.

Regards,
Shradha Gupta.




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