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From: "Jürgen Lambrecht" <j.lambrecht@televic.com>
To: Andrew Lunn <andrew@lunn.ch>,
	"Allan W. Nielsen" <allan.nielsen@microchip.com>
Cc: Horatiu Vultur <horatiu.vultur@microchip.com>,
	linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
	bridge@lists.linux-foundation.org, jiri@resnulli.us,
	ivecera@redhat.com, davem@davemloft.net,
	roopa@cumulusnetworks.com, nikolay@cumulusnetworks.com,
	anirudh.venkataramanan@intel.com, olteanv@gmail.com,
	jeffrey.t.kirsher@intel.com, UNGLinuxDriver@microchip.com
Subject: Re: [RFC net-next v3 09/10] net: bridge: mrp: Integrate MRP into the bridge
Date: Tue, 28 Jan 2020 10:56:23 +0100	[thread overview]
Message-ID: <eac22f69-94ae-2a36-f974-9aa840ac9bfc@televic.com> (raw)
In-Reply-To: <20200127134053.GG12816@lunn.ch>

On 1/27/20 2:40 PM, Andrew Lunn wrote:
>> Again, I do not know how other HW is designed, but all the SOC's we are
>> working with, does allow us to add a TCAM rule which can redirect these
>> frames to the CPU even on a blocked port.
> It is not in scope for what you are doing, but i wonder how we
> describe this in a generic Linux way? And then how we push it down to
> the hardware?
>
> For the Marvell Switches, it might be possible to do this without the
> TCAM. You can add forwarding DB entries marked as Management. It is
> unclear if this overrides the blocked state, but it would be a bit odd
> if it did not.
A MGMT frame does override the blocked state according the the datasheet.
And any MAC address can be loaded, not only 01:80:C2:00:00:0x (802.1D) and 01:80:C2:00:00:2x (GARP). Then the ATU is used instead of something specialized.
(referring to Andrew's email of 20200126 6:12 PM)
(I only checked again 88E6250/88E6220/88E6071/88E6070/88E6020 Functional Specification)


Kind regards,

Jürgen



  reply	other threads:[~2020-01-28  9:56 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-24 16:18 [RFC net-next v3 00/10] net: bridge: mrp: Add support for Media Redundancy Protocol (MRP) Horatiu Vultur
2020-01-24 16:18 ` [RFC net-next v3 01/10] net: bridge: mrp: Expose mrp attributes Horatiu Vultur
2020-01-24 16:18 ` [RFC net-next v3 02/10] net: bridge: mrp: Expose function br_mrp_port_open Horatiu Vultur
2020-01-24 17:37   ` Andrew Lunn
2020-01-25 11:29     ` Horatiu Vultur
2020-01-24 16:18 ` [RFC net-next v3 03/10] net: bridge: mrp: Add MRP interface used by netlink Horatiu Vultur
2020-01-24 17:43   ` Andrew Lunn
2020-01-25 11:37     ` Horatiu Vultur
2020-01-25 15:20       ` Andrew Lunn
2020-01-25 19:16         ` Allan W. Nielsen
2020-01-26 13:28           ` Horatiu Vultur
2020-01-26 15:39             ` Andrew Lunn
2020-02-20  9:08             ` Nikolay Aleksandrov
2020-02-20 13:00               ` Allan W. Nielsen
2020-01-24 16:18 ` [RFC net-next v3 04/10] net: bridge: mrp: Add generic netlink interface to configure MRP Horatiu Vultur
2020-01-25 15:34   ` Andrew Lunn
2020-01-25 19:28     ` Allan W. Nielsen
2020-01-26 13:39       ` Horatiu Vultur
2020-01-24 16:18 ` [RFC net-next v3 05/10] net: bridge: mrp: Update MRP interface to add switchdev support Horatiu Vultur
2020-01-24 16:18 ` [RFC net-next v3 06/10] net: bridge: mrp: switchdev: Extend switchdev API to offload MRP Horatiu Vultur
2020-01-25 16:35   ` Andrew Lunn
2020-01-26 13:22     ` Horatiu Vultur
2020-01-26 15:59       ` Andrew Lunn
2020-01-27 11:04         ` Allan W. Nielsen
2020-01-27 14:41           ` Jürgen Lambrecht
     [not found]           ` <c5733ddb-a837-b866-54bf-c631baf36c54@televic.com>
2020-01-27 15:06             ` Andrew Lunn
2020-01-28  9:50           ` Jürgen Lambrecht
2020-01-27 11:29         ` Jürgen Lambrecht
2020-01-27 12:27           ` Allan W. Nielsen
2020-01-27 14:39             ` Jürgen Lambrecht
2020-01-28  9:58               ` Allan W. Nielsen
2020-01-24 16:18 ` [RFC net-next v3 07/10] net: bridge: mrp: switchdev: Implement MRP API for switchdev Horatiu Vultur
2020-01-24 16:18 ` [RFC net-next v3 08/10] net: bridge: mrp: Connect MRP api with the switchev API Horatiu Vultur
2020-01-24 16:18 ` [RFC net-next v3 09/10] net: bridge: mrp: Integrate MRP into the bridge Horatiu Vultur
2020-01-25 15:42   ` Andrew Lunn
2020-01-26 12:49     ` Horatiu Vultur
2020-01-25 16:16   ` Andrew Lunn
2020-01-26 13:01     ` Horatiu Vultur
2020-01-26 17:12       ` Andrew Lunn
2020-01-27 10:57         ` Allan W. Nielsen
2020-01-27 13:02           ` Horatiu Vultur
2020-01-27 13:40           ` Andrew Lunn
2020-01-28  9:56             ` Jürgen Lambrecht [this message]
2020-01-28 10:17             ` Allan W. Nielsen
2020-01-24 16:18 ` [RFC net-next v3 10/10] net: bridge: mrp: Update Kconfig and Makefile Horatiu Vultur
2020-01-24 20:34 ` [RFC net-next v3 00/10] net: bridge: mrp: Add support for Media Redundancy Protocol (MRP) Allan W. Nielsen
2020-01-24 21:05   ` Vinicius Costa Gomes
2020-01-25  9:44     ` Allan W. Nielsen
2020-01-25 16:23       ` Andrew Lunn
2020-01-25 19:12         ` Allan W. Nielsen
2020-01-25 21:18       ` Vinicius Costa Gomes
2020-01-28 10:35         ` Jürgen Lambrecht
2020-02-18 12:18 ` Allan W. Nielsen
2020-02-18 16:55   ` Jakub Kicinski
2020-02-20 10:48   ` Nikolay Aleksandrov
2020-02-20 12:58     ` Allan W. Nielsen

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