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From: Andrew Lunn <andrew@lunn.ch>
To: Vadym Kochan <vadym.kochan@plvision.eu>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"David S . Miller" <davem@davemloft.net>,
	Oleksandr Mazur <oleksandr.mazur@plvision.eu>,
	Taras Chornyi <taras.chornyi@plvision.eu>,
	Serhiy Boiko <serhiy.boiko@plvision.eu>,
	Andrii Savka <andrii.savka@plvision.eu>,
	Volodymyr Mytnyk <volodymyr.mytnyk@plvision.eu>,
	Serhiy Pshyk <serhiy.pshyk@plvision.eu>
Subject: Re: [RFC net-next 1/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX325x (AC3x)
Date: Tue, 25 Feb 2020 23:05:31 +0100	[thread overview]
Message-ID: <20200225220531.GH7663@lunn.ch> (raw)
In-Reply-To: <20200225163025.9430-2-vadym.kochan@plvision.eu>

> +static int mvsw_pr_port_obj_attr_set(struct net_device *dev,
> +				     const struct switchdev_attr *attr,
> +				     struct switchdev_trans *trans)
> +{
> +	int err = 0;
> +	struct mvsw_pr_port *port = netdev_priv(dev);
> +
> +	switch (attr->id) {
> +	case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
> +		err = -EOPNOTSUPP;
> +		break;

That is interesting. Is the linux bridge happy with this? Particularly
when you have other interfaces in the Linux SW bridge, which cause a
loop via the switch ports? I assume the network then dies in a
broadcast storm, since there is nothing Linux can do to solve the
loop.

       Andrew

  reply	other threads:[~2020-02-25 22:05 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-25 16:30 [RFC net-next 0/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX326x (AC3x) Vadym Kochan
2020-02-25 16:30 ` [RFC net-next 1/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX325x (AC3x) Vadym Kochan
2020-02-25 22:05   ` Andrew Lunn [this message]
2020-02-26 15:54   ` Jiri Pirko
2020-02-27 21:32     ` Vadym Kochan
2020-02-27 21:43       ` Andrew Lunn
2020-02-27 23:50         ` Vadym Kochan
2020-02-28  6:36           ` Jiri Pirko
2020-02-28 14:03             ` Andrew Lunn
2020-02-28  6:34       ` Jiri Pirko
2020-02-28  9:44         ` Vadym Kochan
2020-02-28 10:59           ` Jiri Pirko
2020-02-27 14:22   ` Jiri Pirko
2020-02-28  8:06     ` Vadym Kochan
2020-02-28 11:03       ` Jiri Pirko
2020-02-28  4:22   ` Florian Fainelli
2020-02-28  8:17     ` Vadym Kochan
2020-03-05 14:49   ` Ido Schimmel
2020-05-02 15:20     ` Vadym Kochan
2020-05-05  4:01       ` Vadym Kochan
2020-02-25 16:30 ` [RFC net-next 2/3] net: marvell: prestera: Add PCI interface support Vadym Kochan
2020-02-25 20:49   ` Andrew Lunn
2020-02-27 11:05   ` Jiri Pirko
2020-02-28 16:54     ` Vadym Kochan
2020-02-29  7:58       ` Jiri Pirko
2020-03-01  2:12         ` Jakub Kicinski
2020-02-25 16:30 ` [RFC net-next 3/3] dt-bindings: marvell,prestera: Add address mapping for Prestera Switchdev PCIe driver Vadym Kochan
2020-02-28  4:24   ` Florian Fainelli
2020-02-25 22:12 ` [RFC net-next 0/3] net: marvell: prestera: Add Switchdev driver for Prestera family ASIC device 98DX326x (AC3x) Andrew Lunn
2020-02-25 22:45 ` Chris Packham
2020-02-28 16:50   ` Vadym Kochan
2020-02-26 15:44 ` Jiri Pirko
2020-02-26 16:38 ` Roopa Prabhu
2020-03-05 15:01 ` Ido Schimmel

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