lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Thu, 3 Sep 2020 12:14:28 -0700
From:   Jakub Kicinski <>
To:     Vasundhara Volam <>
Cc:     Jiri Pirko <>,
        Michael Chan <>,,
        Netdev <>,
        Ido Schimmel <>, Andrew Lunn <>
Subject: Re: Failing to attach bond(created with two interfaces from
 different NICs) to a bridge

On Thu, 3 Sep 2020 12:52:25 +0530 Vasundhara Volam wrote:
> Hello Jiri,
> After the following set of upstream commits, the user fails to attach
> a bond to the bridge, if the user creates the bond with two interfaces
> from different bnxt_en NICs. Previously bnxt_en driver does not
> advertise the switch_id for legacy mode as part of
> ndo_get_port_parent_id cb but with the following patches, switch_id is
> returned even in legacy mode which is causing the failure.
> ---------------
> 7e1146e8c10c00f859843817da8ecc5d902ea409 net: devlink: introduce
> devlink_compat_switch_id_get() helper
> 6605a226781eb1224c2dcf974a39eea11862b864 bnxt: pass switch ID through
> devlink_port_attrs_set()
> 56d9f4e8f70e6f47ad4da7640753cf95ae51a356 bnxt: remove
> ndo_get_port_parent_id implementation for physical ports
> ----------------
> As there is a plan to get rid of ndo_get_port_parent_id in future, I
> think there is a need to fix devlink_compat_switch_id_get() to return
> the switch_id only when device is in SWITCHDEV mode and this effects
> all the NICs.
> Please let me know your thoughts. Thank you.

I'm not Jiri, but I'd think that hiding switch_id from devices should
not be the solution here. Especially that no NICs offload bridging

Could you describe the team/bridge failure in detail, I'm not that
familiar with this code.

Powered by blists - more mailing lists