netdev - RE: USO / UFO status ?

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Date:   Wed, 6 Nov 2019 13:33:05 +0000
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     Josh Hunt <johunt@...mai.com>,
        Willem de Bruijn <willemdebruijn.kernel@...il.com>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Joao Pinto <Joao.Pinto@...opsys.com>
Subject: RE: USO / UFO status ?

From: Jose Abreu <joabreu@...opsys.com>
Date: Nov/05/2019, 15:24:54 (UTC+00:00)

> From: Jose Abreu <joabreu@...opsys.com>
> Date: Oct/31/2019, 10:20:37 (UTC+00:00)
> 
> > Well, I'm more interested in implementing it in stmmac. I have some HW 
> > that supports USO and UFO.
> 
> Hi Josh,
> 
> Using your script these are the results I get:

And now, with full benchmark:

UDP GSO On:
$pkt_size	kB/s(sar)	MB/s	Calls/s Msg/s CPU	MB2CPU
==========================================================
1472		114786.35	108	77680	77680	42.63	2.53
2944		108055.11	103	37075	37075	23.3	4.42
5888		111820.25	108	19309	19309	10.68	10.11
11776		113832.08	110	9864	9864	6.1	18.03
23552		114330.73	111	4962	4962	3.05	36.39
47104		114753.60	111	2493	2493	2.31	48.05
61824		114558.31	111	1896	1896	1.68	66.07

UDP GSO Off:
$pkt_size	kB/s(sar)	MB/s	Calls/s Msg/s CPU	MB2CPU
==========================================================
1472		114415.01	108	77386	77386	40.21	2.68
2944		115230.37	108	38964	38964	23.84	4.53
5888		109765.31	103	18579	18579	16.14	6.38
11776		110878.09	104	9369	9369	8.64	12.03
23552		109194.77	103	4613	4613	4	25.75
47104		108597.13	102	2294	2294	2.11	48.34
61824		109141.54	103	1756	1756	1.53	67.32

---
Thanks,
Jose Miguel Abreu