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Date:      Tue, 22 Aug 2023 23:07:32 +0200
From:      Kristof Provost <kp@FreeBSD.org>
To:        Warner Losh <imp@FreeBSD.org>, Sumit Saxena <sumit.saxena@broadcom.com>
Cc:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   Re: git: 91fcacc35597 - main - if_bnxt: Add support for VLAN on Thor
Message-ID:  <05979953-C089-4D56-99E3-BBBF066FE277@FreeBSD.org>
In-Reply-To: <419530F4-DB8F-46EA-BF45-C130BCF8A3DE@FreeBSD.org>
References:  <202211042255.2A4MtqVv032693@gitrepo.freebsd.org> <419530F4-DB8F-46EA-BF45-C130BCF8A3DE@FreeBSD.org>

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[-- Attachment #1 --]
On 27 Jun 2023, at 11:17, Kristof Provost wrote:
> On 4 Nov 2022, at 23:55, Warner Losh wrote:
>> The branch main has been updated by imp:
>>
>> URL: 
>> https://cgit.FreeBSD.org/src/commit/?id=91fcacc355971f74aa26fc7861020dc3a2a2d717
>>
>> commit 91fcacc355971f74aa26fc7861020dc3a2a2d717
>> Author:     Sumit Saxena <sumit.saxena@broadcom.com>
>> AuthorDate: 2022-11-04 22:24:32 +0000
>> Commit:     Warner Losh <imp@FreeBSD.org>
>> CommitDate: 2022-11-04 22:24:32 +0000
>>
>>     if_bnxt: Add support for VLAN on Thor
>>
>>     Reviewed by: imp
>>     Differential Revision: https://reviews.freebsd.org/D36443
>> ---
>>  sys/dev/bnxt/bnxt.h      |   3 +-
>>  sys/dev/bnxt/bnxt_hwrm.c | 110 
>> ++++++++++++++++++++++++++++-------------------
>>  sys/dev/bnxt/bnxt_hwrm.h |   7 ++-
>>  sys/dev/bnxt/if_bnxt.c   |   7 ++-
>>  4 files changed, 74 insertions(+), 53 deletions(-)
>>
>
> This commit appears to have broken vlan on these interfaces.
> My hardware is a Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet, (in 
> a Dell T640, if that helps).
>
> A simple vlan creation on top of one:
> ifconfig vlan create
> ifconfig vlan0 vlan 201 vlandev bnxt0
>
> Results in a loss of connectivity. The kernel logs this, which I 
> assume is related:
>
> `bnxt0: HWRM_CFA_L2_FILTER_ALLOC command returned INVALID_PARAMS 
> error.`
>
>
> After reverting this (and 72e9dbb58cad5262190cf2eae47f764021072128) I 
> can create vlan interfaces on top of bnxt0 without losing 
> connectivity.
>
Should we revert this before 14.0?

There’s also a report of what I think is the same issue in 
[https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269133](https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269133)


There’s a proposed patch there, but it did not work for me.

Best regards,
Kristof
[-- Attachment #2 --]
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<p dir="auto">On 27 Jun 2023, at 11:17, Kristof Provost wrote:</p>
</div><div class="plaintext" style="white-space: normal;"><blockquote style="margin: 0 0 5px; padding-left: 5px; border-left: 2px solid #136BCE; color: #136BCE;"><p dir="auto">On 4 Nov 2022, at 23:55, Warner Losh wrote:</p>
<blockquote style="margin: 0 0 5px; padding-left: 5px; border-left: 2px solid #136BCE; border-left-color: #4B89CF; color: #4B89CF;"><p dir="auto">The branch main has been updated by imp:</p>
<p dir="auto">URL: <a href="https://cgit.FreeBSD.org/src/commit/?id=91fcacc355971f74aa26fc7861020dc3a2a2d717">https://cgit.FreeBSD.org/src/commit/?id=91fcacc355971f74aa26fc7861020dc3a2a2d717</a></p>;
<p dir="auto">commit 91fcacc355971f74aa26fc7861020dc3a2a2d717
<br>
Author:     Sumit Saxena &lt;sumit.saxena@broadcom.com&gt;
<br>
AuthorDate: 2022-11-04 22:24:32 +0000
<br>
Commit:     Warner Losh &lt;imp@FreeBSD.org&gt;
<br>
CommitDate: 2022-11-04 22:24:32 +0000</p>
<p dir="auto">    if_bnxt: Add support for VLAN on Thor</p>
<p dir="auto">    Reviewed by: imp
<br>
    Differential Revision: <a href="https://reviews.freebsd.org/D36443">https://reviews.freebsd.org/D36443</a>;
<br>
---
<br>
 sys/dev/bnxt/bnxt.h      |   3 +-
<br>
 sys/dev/bnxt/bnxt_hwrm.c | 110 ++++++++++++++++++++++++++++-------------------
<br>
 sys/dev/bnxt/bnxt_hwrm.h |   7 ++-
<br>
 sys/dev/bnxt/if_bnxt.c   |   7 ++-
<br>
 4 files changed, 74 insertions(+), 53 deletions(-)</p>
</blockquote><p dir="auto">This commit appears to have broken vlan on these interfaces.
<br>
My hardware is a Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet, (in a Dell T640, if that helps).</p>
<p dir="auto">A simple vlan creation on top of one:
<br>
ifconfig vlan create
<br>
ifconfig vlan0 vlan 201 vlandev bnxt0</p>
<p dir="auto">Results in a loss of connectivity. The kernel logs this, which I assume is related:</p>
<p dir="auto">`bnxt0: HWRM_CFA_L2_FILTER_ALLOC command returned INVALID_PARAMS error.`</p>
<p dir="auto">After reverting this (and 72e9dbb58cad5262190cf2eae47f764021072128) I can create vlan interfaces on top of bnxt0 without losing connectivity.</p>
<br></blockquote></div>
<div class="markdown" style="white-space: normal;">
<p dir="auto">Should we revert this before 14.0?</p>
<p dir="auto">There’s also a report of what I think is the same issue in <a href="https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269133">https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=269133</a></p>;
<p dir="auto">There’s a proposed patch there, but it did not work for me.</p>
<p dir="auto">Best regards,<br>
Kristof</p>

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