From: Lorenzo Bianconi <lorenzo@kernel.org>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Andrew Lunn <andrew+netdev@lunn.ch>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Christian Marangi <ansuelsmth@gmail.com>,
Benjamin Larsson <benjamin.larsson@genexis.eu>,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, netdev@vger.kernel.org,
devicetree@vger.kernel.org, Xuegang Lu <xuegang.lu@airoha.com>
Subject: Re: [PATCH net-next v3 00/12] net: airoha: Support multiple net_devices connected to the same GDM port
Date: Fri, 10 Apr 2026 09:37:11 +0200 [thread overview]
Message-ID: <adiop-9Mo4ADfvfw@lore-desk> (raw)
In-Reply-To: <20260409195950.74e4bc97@kernel.org>
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> On Mon, 06 Apr 2026 12:34:05 +0200 Lorenzo Bianconi wrote:
> > EN7581 or AN7583 SoCs support connecting multiple external SerDes (e.g.
> > Ethernet or USB SerDes) to GDM3 or GDM4 ports via a hw arbiter that
> > manages the traffic in a TDM manner. As a result multiple net_devices can
> > connect to the same GDM{3,4} port and there is a theoretical "1:n"
> > relation between GDM ports and net_devices.
>
> Looks like this driver uses page pool.
> If you're sharing the same page pool across multiple netdevs
> it must not be linked to a netdev.
are you referring to slow.netdev pointer? If so, this is not set in airoha_eth
driver.
Regards,
Lorenzo
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prev parent reply other threads:[~2026-04-10 7:37 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-06 10:34 [PATCH net-next v3 00/12] net: airoha: Support multiple net_devices connected to the same GDM port Lorenzo Bianconi
2026-04-06 10:34 ` [PATCH net-next v3 01/12] dt-bindings: net: airoha: Add EN7581 ethernet-ports properties Lorenzo Bianconi
2026-04-10 2:57 ` Jakub Kicinski
2026-04-06 10:34 ` [PATCH net-next v3 02/12] net: airoha: Set PPE cpu port for GDM2 if loopback is enabled Lorenzo Bianconi
2026-04-10 2:57 ` Jakub Kicinski
2026-04-06 10:34 ` [PATCH net-next v3 03/12] net: airoha: Rely on net_device pointer in airoha_dev_setup_tc_block signature Lorenzo Bianconi
2026-04-06 10:34 ` [PATCH net-next v3 04/12] net: airoha: Rely on net_device pointer in HTB callbacks Lorenzo Bianconi
2026-04-10 2:57 ` Jakub Kicinski
2026-04-06 10:34 ` [PATCH net-next v3 05/12] net: airoha: Rely on net_device pointer in ETS callbacks Lorenzo Bianconi
2026-04-06 10:34 ` [PATCH net-next v3 06/12] net: airoha: Introduce airoha_gdm_dev struct Lorenzo Bianconi
2026-04-06 10:34 ` [PATCH net-next v3 07/12] net: airoha: Move airoha_qdma pointer in " Lorenzo Bianconi
2026-04-06 10:34 ` [PATCH net-next v3 08/12] net: airoha: Rely on airoha_gdm_dev pointer in airhoa_is_lan_gdm_port() Lorenzo Bianconi
2026-04-06 10:34 ` [PATCH net-next v3 09/12] net: airoha: Support multiple net_devices for a single FE GDM port Lorenzo Bianconi
2026-04-10 2:57 ` Jakub Kicinski
2026-04-06 10:34 ` [PATCH net-next v3 10/12] net: airoha: Do not stop GDM port if it is shared Lorenzo Bianconi
2026-04-10 2:57 ` Jakub Kicinski
2026-04-06 10:34 ` [PATCH net-next v3 11/12] net: airoha: Introduce WAN device flag Lorenzo Bianconi
2026-04-06 10:34 ` [PATCH net-next v3 12/12] net: airoha: Rename get_src_port_id callback in get_sport Lorenzo Bianconi
2026-04-10 2:56 ` [PATCH net-next v3 00/12] net: airoha: Support multiple net_devices connected to the same GDM port Jakub Kicinski
2026-04-10 2:59 ` Jakub Kicinski
2026-04-10 7:37 ` Lorenzo Bianconi [this message]
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