From: Simon Horman <horms@kernel.org>
To: vjardin@free.fr
Cc: Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Ioana Ciornei <ioana.ciornei@nxp.com>,
Vladimir Oltean <vladimir.oltean@nxp.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v2 2/2] dpaa2-eth: mark DPNIs without a DPMAC as virtual devlink ports
Date: Thu, 1 Oct 2026 13:54:17 +0100 [thread overview]
Message-ID: <20261001125417.GE13925@horms.kernel.org> (raw)
In-Reply-To: <20260928-for-upstream-dpaa2_ports-v2-2-1cda148530bf@free.fr>
On Mon, Sep 28, 2026 at 01:22:46PM +0200, Vincent Jardin via B4 Relay wrote:
> From: Vincent Jardin <vjardin@free.fr>
>
> A DPNI whose endpoint is not a DPMAC has no physical connector: it
> may have no endpoint at all, or be connected to another DPNI or to a
> DPSW port. Until now, such a DPNI was still registered as a physical
> devlink port with number 0, so userspace saw a physical port that does
> not exist.
>
> Register these DPNIs as virtual devlink ports instead. A virtual port
> has no phys_port_name, so only the DPNIs that serve a DPMAC at probe
> time report one, "p<dpmac id>", and those names do not collide.
>
> Signed-off-by: Vincent Jardin <vjardin@free.fr>
Reviewed-by: Simon Horman <horms@kernel.org>
next prev parent reply other threads:[~2026-10-01 12:54 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-28 11:22 [PATCH net-next v2 0/2] dpaa2-eth: devlink port number from the DPMAC Vincent Jardin via B4 Relay
2026-09-28 11:22 ` [PATCH net-next v2 1/2] dpaa2-eth: use the DPMAC id as the devlink physical port number Vincent Jardin via B4 Relay
2026-10-01 12:53 ` Simon Horman
2026-09-28 11:22 ` [PATCH net-next v2 2/2] dpaa2-eth: mark DPNIs without a DPMAC as virtual devlink ports Vincent Jardin via B4 Relay
2026-10-01 12:54 ` Simon Horman [this message]
2026-10-02 0:20 ` [PATCH net-next v2 0/2] dpaa2-eth: devlink port number from the DPMAC patchwork-bot+netdevbpf
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