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From: Alessio Igor Bogani <alessio.bogani@elettra.eu>
To: Stephen Hemminger <stephen@networkplumber.org>
Cc: users@dpdk.org, Anuj Mittal <anuj.mittal@intel.com>
Subject: Re: dpdk-testpmd on XDP
Date: Fri, 22 Mar 2024 19:13:48 +0100	[thread overview]
Message-ID: <CAPk1OjE8LScVx=MjkW0z3VRzYkeq4nNeM-hn_LosEgAv+BoJwQ@mail.gmail.com> (raw)
In-Reply-To: <CAPk1OjFpnW6Jb78m=0_cQiUgpzmUg3O7aDYhDx7RtMHux7FOyA@mail.gmail.com>

Hi Stephen,

Here the diff between logs:

# diff vfio.log xdp.log
7,11d6
< EAL: Using IOMMU type 1 (Type 1)
< EAL: Ignore mapping IO port bar(2)
< EAL: Probe PCI driver: net_e1000_igb (8086:1521) device:
0000:15:00.0 (socket 0)
< EAL: Ignore mapping IO port bar(2)
< EAL: Probe PCI driver: net_e1000_igb (8086:1521) device:
0000:15:00.3 (socket 0)
22,23c17,18
< Port 0 Link up at 1 Gbps FDX Autoneg
< Port 1 Link up at 1 Gbps FDX Autoneg
---
> Port 0 Link up at 10 Gbps FDX Autoneg
> Port 1 Link up at 10 Gbps FDX Autoneg
36c31
<       RX desc=512 - RX free threshold=32
---
>       RX desc=0 - RX free threshold=0
40,41c35,36
<       TX desc=512 - TX free threshold=0
<       TX threshold registers: pthresh=8 hthresh=1  wthresh=16
---
>       TX desc=0 - TX free threshold=0
>       TX threshold registers: pthresh=0 hthresh=0  wthresh=0
46c41
<       RX desc=512 - RX free threshold=32
---
>       RX desc=0 - RX free threshold=0
50,51c45,46
<       TX desc=512 - TX free threshold=0
<       TX threshold registers: pthresh=8 hthresh=1  wthresh=16
---
>       TX desc=0 - TX free threshold=0
>       TX threshold registers: pthresh=0 hthresh=0  wthresh=0

I don't know why dpdk-testpmd (using xdp) reports 10 Gbps but NICs are
1 Gbs only...

Ciao,
Alessio

  reply	other threads:[~2024-03-22 18:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-19 10:48 Alessio Igor Bogani
2024-03-19 16:07 ` Stephen Hemminger
2024-03-20  7:22   ` Alessio Igor Bogani
2024-03-20 16:24     ` Stephen Hemminger
2024-03-22 17:57       ` Alessio Igor Bogani
2024-03-22 18:13         ` Alessio Igor Bogani [this message]
2024-03-22 23:32         ` Stephen Hemminger

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