[PATCH net-next v3 00/12] net: airoha: Support multiple net_devices connected to the same GDM port
Lorenzo Bianconi
lorenzo at kernel.org
Fri Apr 10 00:37:11 PDT 2026
> 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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