Re: [PATCH v2 2/2] net: ethernet: ti: am65-cpsw: Add minimal XDP support

[Andrew Lunn]

> 3) From 2), am65_cpsw_alloc_skb() function removed and replaced by
> netdev_alloc_skb_ip_align(), as used by the driver before -> res = 506
> Conclusion: Here is where the loss comes from.
> IOW, My am65_cpsw_alloc_skb() function is not good.
> 
> Initially, I mainly created this 'custom' am65_cpsw_alloc_skb() function
> because I thought that none of XDP memory models could be used along
> with netdev_alloc_skb_ip_align() function. Was I wrong ?
> By creating this custom am65_cpsw_alloc_skb(), I also wanted to handle
> the way headroom is reserved differently.

What is special about your device? Why would
netdev_alloc_skb_ip_align() not work?

	Andrew