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From: Vincent Jardin <vjardin@free.fr>
To: Ioana Ciornei <ioana.ciornei@nxp.com>
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>,
	Vladimir Oltean <vladimir.oltean@nxp.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next 2/2] dpaa2-eth: DPNIs without a DPMAC should be virtual devlink ports
Date: Mon, 28 Sep 2026 13:35:41 +0200	[thread overview]
Message-ID: <arpRDebOwAe08pc9@L30177.local> (raw)
In-Reply-To: <hh6bjsyoe4hidiiyl3bt6tsmizfpf5p4h3gpbflcnsakcpgwjr@2pi6r22dpor2>

Hi Ioana,

> > 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. It is still registered as a physical devlink port, number 0,
> > so userspace sees a physical port that does not exist.
> 
> Reword this so that it's clear that you are describing the state before
> the patch.

Done, see v2

> > A virtual port has no phys_port_name, so only the DPNIs that serve a
> > DPMAC report one, and "p<dpmac id>" never collides.
> 
> Reword this as well and mention directly what you are changing.

Done,

> 
> I would also suggest a change in the subject title:
>  dpaa2-eth: mark DPNIs without a DPMAC as virtual devlink ports

OK, thanks for the suggestion

> >  void dpaa2_eth_dl_port_check(struct dpaa2_eth_priv *priv)
> >  {
> > -	u32 registered = priv->devlink_port.attrs.phys.port_number;
> > +	const struct devlink_port_attrs *attrs = &priv->devlink_port.attrs;
> >  	u32 current_number = dpaa2_eth_dl_port_number(priv);
> > +	u32 registered = 0;
> 
> Move these changes to patch 1/2.


ok, done

Thanks for the comments,
  Vincent

  reply	other threads:[~2026-09-28 11:35 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-23 12:57 [PATCH net-next 0/2] dpaa2-eth: devlink port number from the DPMAC Vincent Jardin via B4 Relay
2026-09-23 12:57 ` Vincent Jardin
2026-09-23 12:58 ` [PATCH net-next 1/2] dpaa2-eth: use the DPMAC id as the devlink physical port number Vincent Jardin via B4 Relay
2026-09-23 12:58   ` Vincent Jardin
2026-09-27 13:17   ` netdev-bot+sashiko
2026-09-28 11:27     ` Vincent Jardin
2026-09-28  9:12   ` Ioana Ciornei
2026-09-28 11:29     ` Vincent Jardin
2026-09-23 12:58 ` [PATCH net-next 2/2] dpaa2-eth: DPNIs without a DPMAC should be virtual devlink ports Vincent Jardin via B4 Relay
2026-09-23 12:58   ` Vincent Jardin
2026-09-27 13:17   ` netdev-bot+sashiko
2026-09-28 11:33     ` Vincent Jardin
2026-09-28  9:18   ` Ioana Ciornei
2026-09-28 11:35     ` Vincent Jardin [this message]
2026-09-23 15:09 ` [PATCH net-next 0/2] dpaa2-eth: devlink port number from the DPMAC Ioana Ciornei
2026-09-24 11:58   ` Vincent Jardin
2026-09-28 12:31 ` Ioana Ciornei

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