From: Justin Chen <justin.chen@broadcom.com>
To: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
bcm-kernel-feedback-list@broadcom.com,
florian.fainelli@broadcom.com, davem@davemloft.net,
edumazet@google.com, pabeni@redhat.com, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
opendmb@gmail.com, andrew@lunn.ch, hkallweit1@gmail.com,
linux@armlinux.org.uk, richardcochran@gmail.com,
sumit.semwal@linaro.org, christian.koenig@amd.com,
simon.horman@corigine.com
Subject: Re: [PATCH net-next v6 3/6] net: bcmasp: Add support for ASP2.0 Ethernet controller
Date: Tue, 6 Jun 2023 18:35:51 -0700 [thread overview]
Message-ID: <8601be87-4bcb-8e6b-5124-1c63150c7c40@broadcom.com> (raw)
In-Reply-To: <20230606171605.3c20ae79@kernel.org>
[-- Attachment #1: Type: text/plain, Size: 1315 bytes --]
On 6/6/2023 5:16 PM, Jakub Kicinski wrote:
> On Tue, 6 Jun 2023 15:58:21 -0700 Justin Chen wrote:
>> On 6/2/23 11:58 PM, Jakub Kicinski wrote:
>>> On Thu, 1 Jun 2023 15:12:28 -0700 Justin Chen wrote:
>>>> + /* general stats */
>>>> + STAT_NETDEV(rx_packets),
>>>> + STAT_NETDEV(tx_packets),
>>>> + STAT_NETDEV(rx_bytes),
>>>> + STAT_NETDEV(tx_bytes),
>>>> + STAT_NETDEV(rx_errors),
>>>> + STAT_NETDEV(tx_errors),
>>>> + STAT_NETDEV(rx_dropped),
>>>> + STAT_NETDEV(tx_dropped),
>>>> + STAT_NETDEV(multicast),
>>>
>>> please don't report standard interface stats in ethtool -S
>>>
>>
>> These are not netdev statistics but MAC block counters. Guess it is not
>> clear with the naming here, will fix this. We have a use case where the
>> MAC traffic may be redirected from the associated net dev, so the
>> counters may not be the same.
>
> You seem to be dumping straight from the stats member of struct
> net_device:
>
> + if (s->type == BCMASP_STAT_NETDEV)
> + p = (char *)&dev->stats;
>
> No?
>
Woops I got it mixed up. Yes these stats are redundant. What I was
describing is
+ STAT_BCMASP_MIB_RX("rx_pkts", mib.rx.pkt),
and equivalent.
> Also - can you describe how you can have multiple netdevs for
> the same MAC?
Not netdevs per se, but packets can be redirected to an offload
co-processor.
[-- Attachment #2: S/MIME Cryptographic Signature --]
[-- Type: application/pkcs7-signature, Size: 4206 bytes --]
next prev parent reply other threads:[~2023-06-07 1:35 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-01 22:12 [PATCH net-next v6 0/6] Brcm ASP 2.0 Ethernet Controller Justin Chen
2023-06-01 22:12 ` [PATCH net-next v6 1/6] dt-bindings: net: brcm,unimac-mdio: Add asp-v2.0 Justin Chen
2023-06-01 22:12 ` [PATCH net-next v6 2/6] dt-bindings: net: Brcm ASP 2.0 Ethernet controller Justin Chen
2023-06-07 22:24 ` Rob Herring
2023-06-01 22:12 ` [PATCH net-next v6 3/6] net: bcmasp: Add support for ASP2.0 " Justin Chen
2023-06-03 6:52 ` Jakub Kicinski
2023-06-03 6:58 ` Jakub Kicinski
2023-06-05 22:04 ` Florian Fainelli
2023-06-06 22:58 ` Justin Chen
2023-06-07 0:16 ` Jakub Kicinski
2023-06-07 1:35 ` Justin Chen [this message]
2023-06-07 1:54 ` Jakub Kicinski
2023-06-07 2:33 ` Justin Chen
2023-06-07 3:45 ` Jakub Kicinski
2023-06-07 4:22 ` Justin Chen
2023-06-07 4:35 ` Jakub Kicinski
2023-06-01 22:12 ` [PATCH net-next v6 4/6] net: phy: mdio-bcm-unimac: Add asp v2.0 support Justin Chen
2023-06-01 22:12 ` [PATCH net-next v6 5/6] net: phy: bcm7xxx: Add EPHY entry for 74165 Justin Chen
2023-06-01 22:12 ` [PATCH net-next v6 6/6] MAINTAINERS: ASP 2.0 Ethernet driver maintainers Justin Chen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8601be87-4bcb-8e6b-5124-1c63150c7c40@broadcom.com \
--to=justin.chen@broadcom.com \
--cc=andrew@lunn.ch \
--cc=bcm-kernel-feedback-list@broadcom.com \
--cc=christian.koenig@amd.com \
--cc=conor+dt@kernel.org \
--cc=davem@davemloft.net \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=edumazet@google.com \
--cc=florian.fainelli@broadcom.com \
--cc=hkallweit1@gmail.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=kuba@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux@armlinux.org.uk \
--cc=netdev@vger.kernel.org \
--cc=opendmb@gmail.com \
--cc=pabeni@redhat.com \
--cc=richardcochran@gmail.com \
--cc=robh+dt@kernel.org \
--cc=simon.horman@corigine.com \
--cc=sumit.semwal@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).