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From: Jakub Kicinski <kuba@kernel.org>
To: f.fainelli@gmail.com
Cc: "Álvaro Fernández Rojas" <noltari@gmail.com>,
	andrew@lunn.ch, jonas.gorski@gmail.com, olteanv@gmail.com,
	davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Michal Swiatkowski" <michal.swiatkowski@linux.intel.com>
Subject: Re: [PATCH v2] net: dsa: tag_brcm: legacy: fix daisy-chained switches
Date: Mon, 20 Mar 2023 18:58:06 -0700	[thread overview]
Message-ID: <20230320185806.5dd71c90@kernel.org> (raw)
In-Reply-To: <20230319095540.239064-1-noltari@gmail.com>

On Sun, 19 Mar 2023 10:55:40 +0100 Álvaro Fernández Rojas wrote:
> When BCM63xx internal switches are connected to switches with a 4-byte
> Broadcom tag, it does not identify the packet as VLAN tagged, so it adds one
> based on its PVID (which is likely 0).
> Right now, the packet is received by the BCM63xx internal switch and the 6-byte
> tag is properly processed. The next step would to decode the corresponding
> 4-byte tag. However, the internal switch adds an invalid VLAN tag after the
> 6-byte tag and the 4-byte tag handling fails.
> In order to fix this we need to remove the invalid VLAN tag after the 6-byte
> tag before passing it to the 4-byte tag decoding.

Is it good to go in, Florian?

  reply	other threads:[~2023-03-21  1:58 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-17 12:08 [PATCH] net: dsa: tag_brcm: legacy: fix daisy-chained switches Álvaro Fernández Rojas
2023-03-17 12:26 ` Michal Swiatkowski
2023-03-17 16:25   ` Álvaro Fernández Rojas
2023-03-17 16:32 ` Andrew Lunn
2023-03-17 16:36   ` Florian Fainelli
2023-03-17 16:40   ` Álvaro Fernández Rojas
2023-03-17 16:49   ` Jonas Gorski
2023-03-17 16:54     ` Florian Fainelli
2023-03-17 21:51       ` Álvaro Fernández Rojas
2023-03-17 22:03         ` Florian Fainelli
2023-03-19  9:55 ` [PATCH v2] " Álvaro Fernández Rojas
2023-03-21  1:58   ` Jakub Kicinski [this message]
2023-03-21 20:51   ` Florian Fainelli
2023-03-22  0:40   ` patchwork-bot+netdevbpf
2023-03-21 20:50 ` [PATCH] " Florian Fainelli

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