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From: Vladimir Oltean <vladimir.oltean@nxp.com>
To: Horatiu Vultur <horatiu.vultur@microchip.com>
Cc: Rasmus Villemoes <rasmus.villemoes@prevas.dk>,
	Roopa Prabhu <roopa@nvidia.com>,
	Nikolay Aleksandrov <nikolay@nvidia.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Andrew Lunn <andrew@lunn.ch>,
	"bridge@lists.linux-foundation.org" 
	<bridge@lists.linux-foundation.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH net] net: mrp: use stp state as substitute for unimplemented mrp state
Date: Mon, 18 Jan 2021 19:46:33 +0000	[thread overview]
Message-ID: <20210118194632.zn5yucjfibguemjq@skbuf> (raw)
In-Reply-To: <20210118185618.75h45rjf6qqberic@soft-dev3.localdomain>

On Mon, Jan 18, 2021 at 07:56:18PM +0100, Horatiu Vultur wrote:
> The reason was to stay away from STP, because you can't run these two
> protocols at the same time. Even though in SW, we reuse port's state.
> In our driver(which is not upstreamed), we currently implement
> SWITCHDEV_ATTR_ID_MRP_PORT_STATE and just call the
> SWITCHDEV_ATTR_ID_PORT_STP_STATE.

And isn't Rasmus's approach reasonable, in that it allows unmodified
switchdev drivers to offload MRP port states without creating
unnecessary code churn?

Also, if it has no in-kernel users, why does it even exist as a
switchdev attribute?

  reply	other threads:[~2021-01-18 19:48 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-18 18:13 [PATCH net] net: mrp: use stp state as substitute for unimplemented mrp state Rasmus Villemoes
2021-01-18 18:56 ` Horatiu Vultur
2021-01-18 19:46   ` Vladimir Oltean [this message]
2021-01-18 20:20     ` Horatiu Vultur
2021-01-18 21:27       ` Vladimir Oltean
2021-01-19  8:32         ` Horatiu Vultur
2021-01-19 15:52           ` Andrew Lunn
2021-01-19 20:59             ` Horatiu Vultur
2021-01-25 21:36             ` Rasmus Villemoes

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