From: Jakub Kicinski <kuba@kernel.org>
To: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Cc: Andrew Lunn <andrew@lunn.ch>,
Michael Chan <michael.chan@broadcom.com>,
Pavan Chebbi <pavan.chebbi@broadcom.com>,
Tariq Toukan <tariqt@nvidia.com>, Gal Pressman <gal@nvidia.com>,
intel-wired-lan@lists.osuosl.org,
Donald Hunter <donald.hunter@gmail.com>,
Carolina Jubran <cjubran@nvidia.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
netdev@vger.kernel.org
Subject: Re: [Intel-wired-lan] [RFC PATCH v4] ethtool: add FEC bins histogramm report
Date: Mon, 11 Aug 2025 08:41:42 -0700 [thread overview]
Message-ID: <20250811084142.459a9a75@kernel.org> (raw)
In-Reply-To: <ec9e7da6-30f0-40aa-8cb7-bfa0ff814126@linux.dev>
On Sun, 10 Aug 2025 11:52:55 +0100 Vadim Fedorenko wrote:
> > TBH I'm a bit unsure if this is really worth breaking out into
> > individual nla_puts(). We generally recommend that, but here it's
> > an array of simple ints.. maybe we're better of with a binary / C
> > array of u64. Like the existing FEC stats but without also folding
> > the total value into index 0.
>
> Well, the current implementation is straight forward. Do you propose to
> have drivers fill in the amount of lanes they have histogram for, or
> should we always put array of ETHTOOL_MAX_LANES values and let
> user-space to figure out what to show?
Similar logic to what you have, you can move the put outside of the
loop, let the loop break or exit, and then @j will tell you how many
entries to fill..
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Cc: Andrew Lunn <andrew@lunn.ch>,
Michael Chan <michael.chan@broadcom.com>,
Pavan Chebbi <pavan.chebbi@broadcom.com>,
Tariq Toukan <tariqt@nvidia.com>, Gal Pressman <gal@nvidia.com>,
intel-wired-lan@lists.osuosl.org,
Donald Hunter <donald.hunter@gmail.com>,
Carolina Jubran <cjubran@nvidia.com>,
Paolo Abeni <pabeni@redhat.com>, Simon Horman <horms@kernel.org>,
netdev@vger.kernel.org
Subject: Re: [RFC PATCH v4] ethtool: add FEC bins histogramm report
Date: Mon, 11 Aug 2025 08:41:42 -0700 [thread overview]
Message-ID: <20250811084142.459a9a75@kernel.org> (raw)
In-Reply-To: <ec9e7da6-30f0-40aa-8cb7-bfa0ff814126@linux.dev>
On Sun, 10 Aug 2025 11:52:55 +0100 Vadim Fedorenko wrote:
> > TBH I'm a bit unsure if this is really worth breaking out into
> > individual nla_puts(). We generally recommend that, but here it's
> > an array of simple ints.. maybe we're better of with a binary / C
> > array of u64. Like the existing FEC stats but without also folding
> > the total value into index 0.
>
> Well, the current implementation is straight forward. Do you propose to
> have drivers fill in the amount of lanes they have histogram for, or
> should we always put array of ETHTOOL_MAX_LANES values and let
> user-space to figure out what to show?
Similar logic to what you have, you can move the put outside of the
loop, let the loop break or exit, and then @j will tell you how many
entries to fill..
next prev parent reply other threads:[~2025-08-11 15:48 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-07 15:59 [Intel-wired-lan] [RFC PATCH v4] ethtool: add FEC bins histogramm report Vadim Fedorenko
2025-08-07 15:59 ` Vadim Fedorenko
2025-08-08 9:31 ` [Intel-wired-lan] " kernel test robot
2025-08-08 19:57 ` kernel test robot
2025-08-08 20:15 ` Jakub Kicinski
2025-08-08 20:15 ` Jakub Kicinski
2025-08-10 10:52 ` [Intel-wired-lan] " Vadim Fedorenko
2025-08-10 10:52 ` Vadim Fedorenko
2025-08-11 15:41 ` Jakub Kicinski [this message]
2025-08-11 15:41 ` Jakub Kicinski
2025-08-11 16:08 ` [Intel-wired-lan] " Vadim Fedorenko
2025-08-11 16:08 ` Vadim Fedorenko
2025-08-11 16:21 ` [Intel-wired-lan] " Jakub Kicinski
2025-08-11 16:21 ` Jakub Kicinski
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