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From: Andrew Lunn <andrew@lunn.ch>
To: Dario Alcocer <dalcocer@helixd.com>
Cc: netdev@vger.kernel.org
Subject: Re: Marvell switch port shows LOWERLAYERDOWN, ping fails
Date: Fri, 23 Jul 2021 20:25:32 +0200	[thread overview]
Message-ID: <YPsJnLCKVzEUV5cb@lunn.ch> (raw)
In-Reply-To: <0188e53d-1535-658a-4134-a5f05f214bef@helixd.com>

> > You probably don't want both ends of the link in rgmii-id mode. That
> > will give you twice the delay.
> 
> Ok, I'll change phy-mode to "rgmii" for both ends. It's a little confusing
> that there's a reference to phy-mode at all, though, given the actual
> connection is SERDES. My understanding is SERDES is a digital, PHY-less
> connection.

Is it even RGMII? You say SERDES, so 1000BaseX seems more likely.

   Andrew


  reply	other threads:[~2021-07-23 18:25 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-22 22:55 Dario Alcocer
2021-07-23 13:41 ` Andrew Lunn
2021-07-23 18:21   ` Dario Alcocer
2021-07-23 18:25     ` Andrew Lunn [this message]
2021-07-23 18:36       ` Dario Alcocer
2021-07-23 21:58         ` Dario Alcocer
2021-07-24 17:34           ` Andrew Lunn
2021-07-25  2:26             ` Dario Alcocer
2021-07-25  2:36               ` Dario Alcocer
2021-07-27  1:39                 ` Dario Alcocer
2021-07-28 18:07                   ` Dario Alcocer
2021-07-28 18:23                     ` Andrew Lunn
2021-07-28 18:33                       ` Dario Alcocer
2021-07-28 19:24                         ` Andrew Lunn
2021-07-28 19:37                           ` Dario Alcocer
2021-07-28 20:47                             ` Andrew Lunn
2021-07-28 20:54                               ` Dario Alcocer
2021-07-28 21:09                             ` Andrew Lunn
2021-08-05 21:44                             ` Dario Alcocer
2021-08-06 16:03                               ` Dario Alcocer
2021-08-06 23:46                                 ` Dario Alcocer
2021-08-07 18:57                                   ` Andrew Lunn
2021-08-09 16:28                                     ` Dario Alcocer
2021-08-10 20:58                                       ` Dario Alcocer
2021-08-10 22:13                                         ` Andrew Lunn
2021-08-11 13:16                                           ` Dario Alcocer
2021-08-07 17:44                               ` Andrew Lunn

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