From: Jakub Kicinski <kuba@kernel.org>
To: Eric Woudstra <ericwouds@gmail.com>
Cc: Felix Fietkau <nbd@nbd.name>, Sean Wang <sean.wang@mediatek.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
"Frank Wunderlich" <frank-w@public-files.de>,
Daniel Golle <daniel@makrotopia.org>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v3 net-next] net: ethernet: mtk_ppe_offload: Allow QinQ
Date: Tue, 11 Feb 2025 16:51:27 -0800 [thread overview]
Message-ID: <20250211165127.3282acb0@kernel.org> (raw)
In-Reply-To: <20250209110936.241487-1-ericwouds@gmail.com>
On Sun, 9 Feb 2025 12:09:36 +0100 Eric Woudstra wrote:
> This patch adds QinQ support to mtk_flow_offload_replace().
>
> Only PPPoE-in-Q (as before) and Q-in-Q are allowed. A combination
> of PPPoE and Q-in-Q is not allowed.
AFAIU the standard asks for outer tag in Q-in-Q to be ETH_P_8021AD,
but you still check:
> act->vlan.proto != htons(ETH_P_8021Q))
> return -EOPNOTSUPP;
If this is a HW limitation I think you should document that more
clearly in the commit message. If you can fix it, I think you should..
--
pw-bot: cr
WARNING: multiple messages have this Message-ID (diff)
From: Jakub Kicinski <kuba@kernel.org>
To: Eric Woudstra <ericwouds@gmail.com>
Cc: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
netdev@vger.kernel.org, Sean Wang <sean.wang@mediatek.com>,
Daniel Golle <daniel@makrotopia.org>,
linux-kernel@vger.kernel.org, Andrew Lunn <andrew+netdev@lunn.ch>,
Eric Dumazet <edumazet@google.com>,
linux-mediatek@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
Paolo Abeni <pabeni@redhat.com>,
Lorenzo Bianconi <lorenzo@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
linux-arm-kernel@lists.infradead.org,
Felix Fietkau <nbd@nbd.name>
Subject: Re: [PATCH v3 net-next] net: ethernet: mtk_ppe_offload: Allow QinQ
Date: Tue, 11 Feb 2025 16:51:27 -0800 [thread overview]
Message-ID: <20250211165127.3282acb0@kernel.org> (raw)
In-Reply-To: <20250209110936.241487-1-ericwouds@gmail.com>
On Sun, 9 Feb 2025 12:09:36 +0100 Eric Woudstra wrote:
> This patch adds QinQ support to mtk_flow_offload_replace().
>
> Only PPPoE-in-Q (as before) and Q-in-Q are allowed. A combination
> of PPPoE and Q-in-Q is not allowed.
AFAIU the standard asks for outer tag in Q-in-Q to be ETH_P_8021AD,
but you still check:
> act->vlan.proto != htons(ETH_P_8021Q))
> return -EOPNOTSUPP;
If this is a HW limitation I think you should document that more
clearly in the commit message. If you can fix it, I think you should..
--
pw-bot: cr
next prev parent reply other threads:[~2025-02-12 0:58 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-09 11:09 [PATCH v3 net-next] net: ethernet: mtk_ppe_offload: Allow QinQ Eric Woudstra
2025-02-10 7:43 ` Michal Swiatkowski
2025-02-10 7:43 ` Michal Swiatkowski
2025-02-12 0:51 ` Jakub Kicinski [this message]
2025-02-12 0:51 ` Jakub Kicinski
2025-02-12 19:33 ` Eric Woudstra
2025-02-12 19:33 ` Eric Woudstra
2025-02-15 14:01 ` Simon Horman
2025-02-15 14:01 ` Simon Horman
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