From: Andrew Lunn <andrew@lunn.ch>
To: Meir Lichtinger <meirl@mellanox.com>
Cc: netdev <netdev@vger.kernel.org>
Subject: Re: [PATCH net-next 1/2] ethtool: Add support for 100Gbps per lane link modes
Date: Thu, 11 Jun 2020 15:54:29 +0200 [thread overview]
Message-ID: <20200611135429.GF19869@lunn.ch> (raw)
In-Reply-To: <e3b31d58-fc00-4387-56a0-d787e33e77ae@mellanox.com>
> > How do you know you have connected a 400000baseLR4 to a
> > 400000baseER4 with a 40Km and it is not expected to work, when looking
> > at ethtool? I assume the EEPROM contents tell you if the module is
> > LR4, ER4, or FR4?
> >
> > Andrew
> Correct.
Hi Meir
Do you also have patches to Ethtool to decode these bits in the SFP EEPROM?
> In addition, this is the terminology exposed in 50 Gbps and we
> followed it.
Yes, i missed the patch which added those. I would probably of
objected. But we have them now, so lets keep going. But we might want
a clear definition of when modes can be combined like this.
Andrew
next prev parent reply other threads:[~2020-06-11 13:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-30 23:41 [PATCH net-next 0/2] ethtool: Add support for 100Gbps per lane link modes Saeed Mahameed
2020-04-30 23:41 ` [PATCH net-next 1/2] " Saeed Mahameed
2020-05-02 15:08 ` Andrew Lunn
2020-06-11 13:19 ` Meir Lichtinger
2020-06-11 13:54 ` Andrew Lunn [this message]
2020-06-11 18:52 ` Meir Lichtinger
2020-06-25 20:24 ` Saeed Mahameed
2020-06-25 21:31 ` Andrew Lunn
2020-04-30 23:41 ` [PATCH net-next 2/2] net/mlx5: Added " Saeed Mahameed
2020-05-01 22:59 ` [PATCH net-next 0/2] ethtool: Add " David Miller
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