From: Andrew Lunn <andrew@lunn.ch>
To: Rodney Cummings <rodney.cummings@ni.com>
Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"kernel@savoirfairelinux.com" <kernel@savoirfairelinux.com>,
"David S. Miller" <davem@davemloft.net>,
Florian Fainelli <f.fainelli@gmail.com>,
David Laight <David.Laight@ACULAB.COM>
Subject: Re: [PATCH net-next v3 0/5] net: dsa: remove .set_addr
Date: Mon, 16 Oct 2017 18:47:37 +0200 [thread overview]
Message-ID: <20171016164737.GD13339@lunn.ch> (raw)
In-Reply-To: <CY1PR0401MB1536097366C596C42A8B225B924F0@CY1PR0401MB1536.namprd04.prod.outlook.com>
On Mon, Oct 16, 2017 at 04:28:04PM +0000, Rodney Cummings wrote:
> Hi Andrew,
>
> I may have misunderstood.
>
> If this MAC address is the destination
Nope. This is the source address, for Pause frames.
> My concern is that for a source MAC address, a local random MAC
> address is not safe in all networks, because it has the potential
> for duplication. That topic has been discussed quite a bit in IEEE
> 802.
Duplications don't matter, for pause frames. The source address
appears to be unused. And these frames don't get passed the direct
peers MAC layer.
Andrew
next prev parent reply other threads:[~2017-10-16 16:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-13 18:18 [PATCH net-next v3 0/5] net: dsa: remove .set_addr Vivien Didelot
2017-10-13 18:18 ` [PATCH net-next v3 1/5] net: dsa: mv88e6xxx: setup random mac address Vivien Didelot
2017-10-13 18:18 ` [PATCH net-next v3 2/5] net: dsa: mv88e6060: fix switch MAC address Vivien Didelot
2017-10-13 18:18 ` [PATCH net-next v3 3/5] net: dsa: mv88e6060: setup random mac address Vivien Didelot
2017-10-16 9:05 ` David Laight
2017-10-13 18:18 ` [PATCH net-next v3 4/5] net: dsa: dsa_loop: remove .set_addr Vivien Didelot
2017-10-13 18:18 ` [PATCH net-next v3 5/5] net: dsa: " Vivien Didelot
2017-10-15 1:30 ` [PATCH net-next v3 0/5] " David Miller
2017-10-16 15:23 ` Rodney Cummings
2017-10-16 16:09 ` Andrew Lunn
2017-10-16 16:28 ` Rodney Cummings
2017-10-16 16:47 ` Andrew Lunn [this message]
2017-10-16 16:52 ` Rodney Cummings
2017-10-16 16:57 ` Andrew Lunn
2017-10-16 18:14 ` Rodney Cummings
2017-10-16 16:30 ` David Laight
2017-10-16 16:44 ` Andrew Lunn
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