# Re: \[PATCH net-next 2/2\] net: stmmac: add tc flower filter for EtherType matching

- From: Sebastian Andrzej Siewior \<bigeasy@linutronix.de\>
- Date: 2021-12-10 11:59:03 
- List: linux-arm-kernel
- Page: https://ratatoskr.run/linux-arm-kernel/2021/12/8815431
- Thread: https://ratatoskr.run/netdev/2021/12/8815374/t.md

```text
On 2021-12-10 11:10:04 [+0100], Kurt Kanzenbach wrote:
> > +	if (match.mask->n_proto) {
> > +		__be16 etype = ntohs(match.key->n_proto);
> 
> n_proto is be16. The ntohs() call will produce an u16.

While at it, could we be please remove that __force in
ETHER_TYPE_FULL_MASK and use cpu_to_be16() macro?

> Thanks,
> Kurt

Sebastian

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