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Bug#949863: linux: wishlist

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  Bug#949863: linux: wishlist Tzafrir Cohen <tzafrir@debian.org> - 2020-01-26 10:30 +0100
    Bug#949863: Info received (#949863: please enable CONFIG_NET_SWITCHDEV) Ben Hutchings <ben@decadent.org.uk> - 2020-03-20 01:10 +0100
      Bug#949863: Info received (#949863: please enable CONFIG_NET_SWITCHDEV) Vasudev Kamath <vasudev-debian@copyninja.info> - 2020-04-02 07:50 +0200
    Bug#949863: marked as done (Please enable switchdev support) "Debian Bug Tracking System" <owner@bugs.debian.org> - 2020-03-30 10:20 +0200
    Bug#949863: [Vasudev Kamath] Re: Bug#949863: Info received (#949863: please enable CONFIG_NET_SWITCHDEV) Vasudev Kamath <vasudev@debian.org> - 2020-07-02 08:40 +0200
    Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV Tzafrir Cohen <tzafrir@cohens.org.il> - 2020-09-15 09:40 +0200
      Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV Vasudev Kamath <vasudev@debian.org> - 2020-09-15 10:40 +0200
        Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV Salvatore Bonaccorso <carnil@debian.org> - 2020-10-31 11:30 +0100
          Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV Vasudev Kamath <vasudev@debian.org> - 2020-11-02 05:30 +0100
            Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV Vasudev Kamath <vasudev@debian.org> - 2020-11-05 10:40 +0100

#66210 — Bug#949863: linux: wishlist

Source: linux
Version: Please enable switchdev support
Severity: wishlist

Dear Maintainer,

When testing our networking-related hardware on various platforms, One
feature that we miss in the Debian kernel is switchdev support: This
is useful for us for switchdev hardware offloading with our hardware.

Could ypu please set:

  CONFIG_NET_SWITCHDEV=y

-- Tzafrir

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#66563 — Bug#949863: Info received (#949863: please enable CONFIG_NET_SWITCHDEV)

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On Mon, 9 Mar 2020 13:58:38 +0200 Tzafrir Cohen <tzafrir@cohens.org.il> wrote:
> Hi,
> 
> > Also: please consider this change for inclusion in a stable update, if
> > possible.
> 
> I see that this was merged into git. Thanks. What are the chances of
> this fix getting included into Debian 10.4 to allow OVS off-loading there?

I think it's reasonable, but will need to consult with the release
team.  In case this should only happen after the change has gone into
unstable and testing.

Ben.
 
-- 
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
                                                         - Albert Camus

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#66676 — Bug#949863: Info received (#949863: please enable CONFIG_NET_SWITCHDEV)

Ben Hutchings <ben@decadent.org.uk> writes:

> On Mon, 9 Mar 2020 13:58:38 +0200 Tzafrir Cohen <tzafrir@cohens.org.il> wrote:
>> Hi,
>> 
>> > Also: please consider this change for inclusion in a stable update, if
>> > possible.
>> 
>> I see that this was merged into git. Thanks. What are the chances of
>> this fix getting included into Debian 10.4 to allow OVS off-loading there?
>
> I think it's reasonable, but will need to consult with the release
> team.  In case this should only happen after the change has gone into
> unstable and testing.

Wanted to update my findings on Buster with this patch. We use Mellanox
Connect-X5 series nic (dual port) and have a bonded setup.

Both ports are bonded with 802.3ad and the bond device is put on a
bridge (br0) and br0 gets the IP address.

In this setup with CONFIG_NET_SWITCHDEV enabled bond0 is not placed on
br0 and I see a message:

ifup: can't add bond0 to bridge br0: No data available

This happens with Mellanox inbox driver in Kernel but if I install
latest OFED there is no issue. So I'm not sure how other NIC's behave
with this option enabled.

Cheers,

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#66641 — Bug#949863: marked as done (Please enable switchdev support)

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Your message dated Mon, 30 Mar 2020 08:10:09 +0000
with message-id <E1jIpUn-000G6u-3b@fasolo.debian.org>
and subject line Bug#949863: fixed in linux 5.5.13-1
has caused the Debian Bug report #949863,
regarding Please enable switchdev support
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
949863: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=949863
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems

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#67446 — Bug#949863: [Vasudev Kamath] Re: Bug#949863: Info received (#949863: please enable CONFIG_NET_SWITCHDEV)

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Sending it to BTS to track in bug log.

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#68135 — Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV

Hi,

A patch for fix of the regression is in 4.19.145 (commit 
044be307e550b4532960eadabfb6942de96751f0  "net/mlx5e: Don't support phys 
switch id if not in switchdev mode").

Please enable CONFIG_NET_SWITCHDEV once this is merged to the Buster 
kernel tree.

-- Tzafrir

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#68136 — Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV

Tzafrir Cohen <tzafrir@cohens.org.il> writes:

> Hi,
>
> A patch for fix of the regression is in 4.19.145 (commit 
> 044be307e550b4532960eadabfb6942de96751f0  "net/mlx5e: Don't support phys 
> switch id if not in switchdev mode").
>
> Please enable CONFIG_NET_SWITCHDEV once this is merged to the Buster 
> kernel tree.
>
> -- Tzafrir

I just created another ticket as this bug is already archived [1]. And
mail is not getting tracked in the BTS.

[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970350

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#68485 — Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV

Hi 

On Tue, Sep 15, 2020 at 02:00:51PM +0530, Vasudev Kamath wrote:
> Tzafrir Cohen <tzafrir@cohens.org.il> writes:
> 
> > Hi,
> >
> > A patch for fix of the regression is in 4.19.145 (commit 
> > 044be307e550b4532960eadabfb6942de96751f0  "net/mlx5e: Don't support phys 
> > switch id if not in switchdev mode").
> >
> > Please enable CONFIG_NET_SWITCHDEV once this is merged to the Buster 
> > kernel tree.
> >
> > -- Tzafrir
> 
> I just created another ticket as this bug is already archived [1]. And
> mail is not getting tracked in the BTS.
> 
> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970350

Please have look at https://salsa.debian.org/kernel-team/linux/-/merge_requests/278 

Still it should be evaluated if this has no other impact as it was
previously only enabled for armhf.

Regards,
Salvatore

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#68496 — Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV

Salvatore Bonaccorso <carnil@debian.org> writes:

> Hi 
>
> On Tue, Sep 15, 2020 at 02:00:51PM +0530, Vasudev Kamath wrote:
>> Tzafrir Cohen <tzafrir@cohens.org.il> writes:
>> 
>> > Hi,
>> >
>> > A patch for fix of the regression is in 4.19.145 (commit 
>> > 044be307e550b4532960eadabfb6942de96751f0  "net/mlx5e: Don't support phys 
>> > switch id if not in switchdev mode").
>> >
>> > Please enable CONFIG_NET_SWITCHDEV once this is merged to the Buster 
>> > kernel tree.
>> >
>> > -- Tzafrir
>> 
>> I just created another ticket as this bug is already archived [1]. And
>> mail is not getting tracked in the BTS.
>> 
>> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970350
>
> Please have look at https://salsa.debian.org/kernel-team/linux/-/merge_requests/278 
>
> Still it should be evaluated if this has no other impact as it was
> previously only enabled for armhf.

We are already using this in our production with custom compiled kernel
based on kernel in 10.4.(one with regression issue still present but
workaround done manually) (Currently we have 50+ machines running  this
and will eventually increase it).

I will check this with current buster kernel from 10.5 where regression
issue fix is applied and update here.

Regards,
Vasudev

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#68511 — Bug#949863: #949863: please enable CONFIG_NET_SWITCHDEV

Vasudev Kamath <vasudev@debian.org> writes:

> Salvatore Bonaccorso <carnil@debian.org> writes:
>
>> Hi 
>>
>> On Tue, Sep 15, 2020 at 02:00:51PM +0530, Vasudev Kamath wrote:
>>> Tzafrir Cohen <tzafrir@cohens.org.il> writes:
>>> 
>>> > Hi,
>>> >
>>> > A patch for fix of the regression is in 4.19.145 (commit 
>>> > 044be307e550b4532960eadabfb6942de96751f0  "net/mlx5e: Don't support phys 
>>> > switch id if not in switchdev mode").
>>> >
>>> > Please enable CONFIG_NET_SWITCHDEV once this is merged to the Buster 
>>> > kernel tree.
>>> >
>>> > -- Tzafrir
>>> 
>>> I just created another ticket as this bug is already archived [1]. And
>>> mail is not getting tracked in the BTS.
>>> 
>>> [1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=970350
>>
>> Please have look at https://salsa.debian.org/kernel-team/linux/-/merge_requests/278 
>>
>> Still it should be evaluated if this has no other impact as it was
>> previously only enabled for armhf.
>
> We are already using this in our production with custom compiled kernel
> based on kernel in 10.4.(one with regression issue still present but
> workaround done manually) (Currently we have 50+ machines running  this
> and will eventually increase it).
>
> I will check this with current buster kernel from 10.5 where regression
> issue fix is applied and update here.

I compiled 10.6 kernel 4.19.152 with your MR patch and tested on our
setup. I can confirm no more regression issue is found on both network
setup we use (bonding and non-bonding).

As for the NET_SWITCHDEV we have this enabled in our production machine
from kernel compiled in 10.3 with this patch. And its been running for 2
months or so without any issue.

Please consider merging this patch and release it as part of Debian 10.7
release.

Cheers,
Vasudev

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