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Message-ID: <cb0245b2-38c7-b00c-91f0-0d159b0bc46d@gmail.com> Date: Tue, 9 Apr 2019 19:09:25 -0700 From: Florian Fainelli <f.fainelli@...il.com> To: Vladimir Oltean <olteanv@...il.com>, vivien.didelot@...il.com, andrew@...n.ch, davem@...emloft.net Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, georg.waibel@...sor-technik.de Subject: Re: [PATCH v2 net-next 20/22] net: dsa: sja1105: Reject unsupported link modes for AN On 4/9/2019 5:56 PM, Vladimir Oltean wrote: > Ethernet flow control: > > The switch MAC does not consume, nor does it emit pause frames. It > simply forwards them as any other Ethernet frame (and since the DMAC is, > per IEEE spec, 01-80-C2-00-00-01, it means they are filtered as > link-local traffic and forwarded to the CPU, which can't do anything > useful with them). > > Duplex: > > There is no duplex setting in the SJA1105 MAC. It is known to forward > traffic at line rate on the same port in both directions. Therefore it > must be that it only supports full duplex. > > Signed-off-by: Vladimir Oltean <olteanv@...il.com> Reviewed-by: Florian Fainelli <f.fainelli@...il.com> -- Florian
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