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<p class="MsoNormal"><span style="font-size:16.0pt">Thank you, I will take a look and get back to you.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt">-john<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:16.0pt"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From:
</span></b><span style="font-size:12.0pt;color:black">Kevin Traynor <ktraynor@redhat.com><br>
<b>Date: </b>Wednesday, March 15, 2023 at 10:47 AM<br>
<b>To: </b>John Daley (johndale) <johndale@cisco.com>, Hyong Youb Kim (hyonkim) <hyonkim@cisco.com><br>
<b>Cc: </b>Luca Boccassi <bluca@debian.org>, David Marchand <david.marchand@redhat.com>, dev@dpdk.org <dev@dpdk.org><br>
<b>Subject: </b>Fwd: [Bug 1185] enic: no longer accepting 2048 descriptor size in 20.11.6<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:11.0pt">Hi John/Hyong Youb,<br>
<br>
Not sure if you are monitoring dpdk bugzilla, but wanted to draw your <br>
attention to <a href="https://bugs.dpdk.org/show_bug.cgi?id=1185">https://bugs.dpdk.org/show_bug.cgi?id=1185</a><br>
<br>
Maybe you have some clues about it and if we need to backport the <br>
mentioned commit?<br>
<br>
thanks,<br>
Kevin.<br>
<br>
-------- Forwarded Message --------<br>
Subject: [Bug 1185] enic: no longer accepting 2048 descriptor size in <br>
20.11.6<br>
Date: Wed, 15 Mar 2023 17:33:52 +0000<br>
From: bugzilla@dpdk.org<br>
To: dev@dpdk.org<br>
<br>
<a href="https://bugs.dpdk.org/show_bug.cgi?id=1185">https://bugs.dpdk.org/show_bug.cgi?id=1185</a><br>
<br>
Bug ID: 1185<br>
Summary: enic: no longer accepting 2048 descriptor size in<br>
20.11.6<br>
Product: DPDK<br>
Version: 20.11<br>
Hardware: All<br>
OS: All<br>
Status: UNCONFIRMED<br>
Severity: normal<br>
Priority: Normal<br>
Component: core<br>
Assignee: dev@dpdk.org<br>
Reporter: ktraynor@redhat.com<br>
Target Milestone: ---<br>
<br>
Hi enic maintainers,<br>
<br>
With openvswitch 2.15 using dpdk 20.11.6, enic driver is reporting that it<br>
cannot accept setup with default OVS number of tx descriptors (2048).<br>
<br>
2022-08-19T16:29:38.555Z|00204|dpdk|ERR|Invalid value for nb_tx_desc(=2048),<br>
should be: <= 256, >= 64, and a product of 32<br>
<br>
OVS has used 2048 as default for many years and the code in 20.11.6 does not<br>
look like it changed much from previous releases either.<br>
<br>
The commit below [0] on dpdk main branch (but not on 20.11 branch), <br>
changes how<br>
max descriptor values are calculated.<br>
<br>
So any idea why the 2048 can no longer be used with 20.11.6 ? some commit I<br>
missed? different firmware?<br>
<br>
or is it an incorrect calculation and the commit [0] is needed on stable<br>
branches to correct this?<br>
<br>
Thanks.<br>
<br>
Reference: <a href="https://bugzilla.redhat.com/show_bug.cgi?id=2119876">https://bugzilla.redhat.com/show_bug.cgi?id=2119876</a><br>
<br>
[0]<br>
commit 22572e84fbda2c195707ffbb0dd6af4433d7a219<br>
Author: John Daley <johndale@cisco.com><br>
Date: Fri Jan 28 09:58:13 2022 -0800<br>
<br>
net/enic: support max descriptors allowed by adapter<br>
<br>
Newer VIC adapters have the max number of supported RX and TX<br>
descriptors in their configuration. Use these values as the<br>
maximums.<br>
<br>
Signed-off-by: John Daley <johndale@cisco.com><br>
Reviewed-by: Hyong Youb Kim <hyonkim@cisco.com><br>
<br>
-- <br>
You are receiving this mail because:<br>
You are the assignee for the bug.<o:p></o:p></span></p>
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