From: Vladimir Oltean <olteanv@gmail.com>
To: arinc9.unal@gmail.com
Cc: "Arınç ÜNAL" <arinc.unal@arinc9.com>,
"Daniel Golle" <daniel@makrotopia.org>,
"Landen Chao" <Landen.Chao@mediatek.com>,
"DENG Qingfang" <dqfext@gmail.com>,
"Sean Wang" <sean.wang@mediatek.com>,
"Andrew Lunn" <andrew@lunn.ch>,
"Florian Fainelli" <f.fainelli@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Matthias Brugger" <matthias.bgg@gmail.com>,
"AngeloGioacchino Del Regno"
<angelogioacchino.delregno@collabora.com>,
"Russell King" <linux@armlinux.org.uk>,
"Frank Wunderlich" <frank-w@public-files.de>,
"Bartel Eerdekens" <bartel.eerdekens@constell8.be>,
mithat.guner@xeront.com, erkin.bozoglu@xeront.com,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH net v5 1/6] net: dsa: mt7530: set all CPU ports in MT7531_CPU_PMAP
Date: Fri, 16 Jun 2023 13:01:30 +0300 [thread overview]
Message-ID: <20230616100130.f7mjociopsgd6pe4@skbuf> (raw)
In-Reply-To: <20230616025327.12652-2-arinc.unal@arinc9.com> <20230616025327.12652-2-arinc.unal@arinc9.com>
On Fri, Jun 16, 2023 at 05:53:22AM +0300, arinc9.unal@gmail.com wrote:
> From: Arınç ÜNAL <arinc.unal@arinc9.com>
>
> MT7531_CPU_PMAP represents the destination port mask for trapped-to-CPU
> frames (further restricted by PCR_MATRIX).
>
> Currently the driver sets the first CPU port as the single port in this bit
> mask, which works fine regardless of whether the device tree defines port
> 5, 6 or 5+6 as CPU ports. This is because the logic coincides with DSA's
> logic of picking the first CPU port as the CPU port that all user ports are
> affine to, by default.
>
> An upcoming change would like to influence DSA's selection of the default
> CPU port to no longer be the first one, and in that case, this logic needs
> adaptation.
>
> Since there is no observed leakage or duplication of frames if all CPU
> ports are defined in this bit mask, simply include them all.
>
> Suggested-by: Russell King (Oracle) <linux@armlinux.org.uk>
> Suggested-by: Vladimir Oltean <olteanv@gmail.com>
> Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
> ---
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
next prev parent reply other threads:[~2023-06-16 10:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-16 2:53 [PATCH net v5 0/6] net: dsa: mt7530: fix multiple CPU ports, BPDU and LLDP handling arinc9.unal
2023-06-16 2:53 ` [PATCH net v5 1/6] net: dsa: mt7530: set all CPU ports in MT7531_CPU_PMAP arinc9.unal
2023-06-16 10:01 ` Vladimir Oltean [this message]
2023-06-16 10:07 ` Russell King (Oracle)
2023-06-16 2:53 ` [PATCH net v5 2/6] net: dsa: mt7530: fix trapping frames on non-MT7621 SoC MT7530 switch arinc9.unal
2023-06-16 10:03 ` Vladimir Oltean
2023-06-16 10:17 ` Russell King (Oracle)
2023-06-16 10:25 ` Vladimir Oltean
2023-06-16 10:29 ` Vladimir Oltean
2023-06-16 10:37 ` Vladimir Oltean
2023-06-16 2:53 ` [PATCH net v5 3/6] net: dsa: mt7530: fix handling of BPDUs on " arinc9.unal
2023-06-16 10:11 ` Vladimir Oltean
2023-06-16 10:19 ` Russell King (Oracle)
2023-06-16 2:53 ` [PATCH net v5 4/6] net: dsa: mt7530: fix handling of LLDP frames arinc9.unal
2023-06-16 5:44 ` Frank Wunderlich
2023-06-16 6:21 ` Arınç ÜNAL
2023-06-16 8:59 ` Vladimir Oltean
2023-06-16 2:53 ` [PATCH net v5 5/6] net: dsa: introduce preferred_default_local_cpu_port and use on MT7530 arinc9.unal
2023-06-16 2:53 ` [PATCH net v5 6/6] MAINTAINERS: add me as maintainer of MEDIATEK SWITCH DRIVER arinc9.unal
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=20230616100130.f7mjociopsgd6pe4@skbuf \
--to=olteanv@gmail.com \
--cc=Landen.Chao@mediatek.com \
--cc=andrew@lunn.ch \
--cc=angelogioacchino.delregno@collabora.com \
--cc=arinc.unal@arinc9.com \
--cc=arinc9.unal@gmail.com \
--cc=bartel.eerdekens@constell8.be \
--cc=daniel@makrotopia.org \
--cc=davem@davemloft.net \
--cc=dqfext@gmail.com \
--cc=edumazet@google.com \
--cc=erkin.bozoglu@xeront.com \
--cc=f.fainelli@gmail.com \
--cc=frank-w@public-files.de \
--cc=kuba@kernel.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=linux@armlinux.org.uk \
--cc=matthias.bgg@gmail.com \
--cc=mithat.guner@xeront.com \
--cc=netdev@vger.kernel.org \
--cc=pabeni@redhat.com \
--cc=sean.wang@mediatek.com \
/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).