lists.openwall.net   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:   Tue, 28 Jan 2020 10:50:34 +0100
From:   J├╝rgen Lambrecht <j.lambrecht@...evic.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [RFC net-next v3 06/10] net: bridge: mrp: switchdev: Extend
 switchdev API to offload MRP

[sending again to vger.kernel.org, because previous was rejected]

On 1/27/20 12:04 PM, Allan W. Nielsen wrote:
>>> > How do you handle the 'headless chicken' scenario? User space tells
>>> > the port to start sending MRP_Test frames. It then dies. The hardware

Andrew, I am a bit confused here - maybe I missed an email-thread, I'm sorry then.

In previous emails you and others talked about hardware support to send packets (inside the switch). But somebody also talked about data-plane and control-plane (about STP in-kernel being a bad idea), and that data-plane is in-kernel, and control plane is a mrp-daemon (in user space).
And in my mind, the "hardware" you mention is a frame-injector and can be both real hardware and a driver in the kernel.

Do I see it right?

>>> > continues sending these messages, and the neighbours thinks everything
>>> > is O.K, but in reality the state machine is dead, and when the ring
>>> > breaks, the daemon is not there to fix it?
> I agree, we need to find a solution to this issue.
>

Powered by blists - more mailing lists