Re: [PATCH net-next 3/3] net: lantiq_xrx200: convert to build_skb

[Eric Dumazet]

On 1/4/22 07:11, Aleksander Jan Bajkowski wrote:
> We can increase the efficiency of rx path by using buffers to receive
> packets then build SKBs around them just before passing into the network
> stack. In contrast, preallocating SKBs too early reduces CPU cache
> efficiency.
>
> NAT Performance results on BT Home Hub 5A (kernel 5.10.89, mtu 1500):
>
> 	Down		Up
> Before	577 Mbps	648 Mbps
> After	624 Mbps	695 Mbps
>
> Signed-off-by: Aleksander Jan Bajkowski <olek2@xxxxx>
> ---


Not sure why GRO is not yet implemented in this driver...