From: "naamax.meir" <naamax.meir@linux.intel.com>
To: Sasha Neftin <sasha.neftin@intel.com>, intel-wired-lan@lists.osuosl.org
Subject: Re: [Intel-wired-lan] [PATCH net v1 1/1] igc: Add ndo_tx_timeout support
Date: Thu, 12 Jan 2023 11:53:45 +0200 [thread overview]
Message-ID: <9ce9b3fe-61a6-05fa-c842-f7b2e37008cb@linux.intel.com> (raw)
In-Reply-To: <20230110054841.1857688-1-sasha.neftin@intel.com>
On 1/10/2023 07:48, Sasha Neftin wrote:
> On some platforms, 100/1000/2500 speeds seem to have sometimes problems
> reporting false positive tx unit hang during stressful UDP traffic. Likely
> other Intel drivers introduce responses to a tx hang. Update the 'tx hang'
> comparator with the comparison of the head and tail of ring pointers and
> restore the tx_timeout_factor to the previous value (one).
>
> This can be test by using netperf or iperf3 applications.
> Example:
> iperf3 -s -p 5001
> iperf3 -c 192.168.0.2 --udp -p 5001 --time 600 -b 0
>
> netserver -p 16604
> netperf -H 192.168.0.2 -l 600 -p 16604 -t UDP_STREAM -- -m 64000
>
> Fixes: b27b8dc77b5e ("igc: Increase timeout value for Speed 100/1000/2500")
> Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
> ---
> drivers/net/ethernet/intel/igc/igc_main.c | 25 +++++++++++++++++++++--
> 1 file changed, 23 insertions(+), 2 deletions(-)
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
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prev parent reply other threads:[~2023-01-12 9:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 5:48 [Intel-wired-lan] [PATCH net v1 1/1] igc: Add ndo_tx_timeout support Sasha Neftin
2023-01-12 9:53 ` naamax.meir [this message]
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