[PATCH net-next v2 3/3] net: stmmac: Set CIC bit only for TX queues with COE

[Jakub Kicinski]

On Wed, 20 Aug 2025 12:44:18 +0530 G Thomas, Rohan wrote:
> On 8/20/2025 6:52 AM, Jakub Kicinski wrote:
> > On Sat, 16 Aug 2025 00:55:25 +0800 Rohan G Thomas via B4 Relay wrote:  
> >> +	bool csum = !priv->plat->tx_queues_cfg[queue].coe_unsupported;  
> > 
> > Hopefully the slight pointer chasing here doesn't impact performance?
> > XDP itself doesn't support checksum so perhaps we could always pass
> > false?  
> 
> I'm not certain whether some XDP applications might be benefiting from
> checksum offloading currently

Checksum offload is not supported in real XDP, AFAIK, and in AF_XDP 
the driver must implement a checksum callback which stmmac does not do.
IOW it's not possible to use Tx checksum offload in stmmac today from
XDP.