Re: [PATCH net-next v9 0/3] Add minimal XDP support to TI AM65 CPSW Ethernet driver

[Siddharth Vadapalli]

On Thu, Apr 18, 2024 at 01:17:47PM +0200, Julien Panis wrote:
> On 4/18/24 13:00, Siddharth Vadapalli wrote:
> > On 12-04-2024 21:08, Julien Panis wrote:
> > > This patch adds XDP support to TI AM65 CPSW Ethernet driver.
> > > 
> > > The following features are implemented: NETDEV_XDP_ACT_BASIC,
> > > NETDEV_XDP_ACT_REDIRECT, and NETDEV_XDP_ACT_NDO_XMIT.
> > > 
> > > Zero-copy and non-linear XDP buffer supports are NOT implemented.
> > > 
> > > Besides, the page pool memory model is used to get better performance.
> > > 
> > > Signed-off-by: Julien Panis <jpanis@xxxxxxxxxxxx>
> > Hello Julien,
> > 
> > This series crashes Linux on AM62ax SoC which also uses the
> > AM65-CPSW-NUSS driver:
> > https://gist.github.com/Siddharth-Vadapalli-at-TI/5ed0e436606001c247a7da664f75edee
> > 
> > Regards,
> > Siddharth.
> 
> Hello Siddharth.
> 
> Thanks for the log. I can read:
> [    1.966094] Missing net_device from driver
> 
> Did you check that nodes exist in the device tree for the net devices ?

Yes it exists. The device-tree used was also built with linux-next
tagged next-20240417. The node corresponding to eth0 is cpsw_port1 which
is present and enabled in the device-tree:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts?h=next-20240417#n644

Regards,
Siddharth.