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Message-ID: <20200730193203.2ou4wz4net47mc6d@lion.mk-sys.cz>
Date: Thu, 30 Jul 2020 21:32:03 +0200
From: Michal Kubecek <mkubecek@...e.cz>
To: Jacob Keller <jacob.e.keller@...el.com>
Cc: Andrew Lunn <andrew@...n.ch>, netdev@...r.kernel.org
Subject: Re: [ethtool v2 2/2] ethtool: use "Not reported" when no FEC modes
are provided
On Mon, Jul 27, 2020 at 03:49:37PM -0700, Jacob Keller wrote:
> When displaying the FEC link modes advertised by the peer, we used the
> string "No" to indicate when nothing was provided. This does not match
> the IOCTL output which indicates "Not reported". It also doesn't match
> the local advertised FEC modes, which also used the "Not reported"
> string.
>
> This is especially confusing for FEC, because the FEC bits include
> a "None" bit which indicates that FEC is definitely not supported. Avoid
> this confusion and match both the local advertised settings display and
> the old IOCTL output by using "Not reported" when FEC settings aren't
> reported.
>
> Reported-by: Andrew Lunn <andrew@...n.ch>
> Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>
Applied with
Fixes: 10cc3ea337d1 ("netlink: partial netlink handler for gset (no option)")
Michal
> ---
> netlink/settings.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/netlink/settings.c b/netlink/settings.c
> index 66b0d4892cdd..726259d83702 100644
> --- a/netlink/settings.c
> +++ b/netlink/settings.c
> @@ -481,7 +481,7 @@ static int dump_peer_modes(struct nl_context *nlctx, const struct nlattr *attr)
>
> ret = dump_link_modes(nlctx, attr, false, LM_CLASS_FEC,
> "Link partner advertised FEC modes: ",
> - " ", "\n", "No");
> + " ", "\n", "Not reported");
> return ret;
> }
>
> --
> 2.26.2
>
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