From: Doug Ledford <dledf...@redhat.com>
Date: Thu, 13 Oct 2016 11:20:59 -0400
> We *had* a safe way to do that. It got broken. What about increasing
> the size of skb->cb? Or adding a skb->dgid that is a
> u8[INFINIBAND_ALEN]? Or a more generic skb->dest_ll_addr that is sized
> to hold the dest address for any link layer?
I understand the situation, and I also believe that making sk_buff any
huger than it already is happens to be a non-starter.
>> Pushing metadata before the head of the SKB data pointer is illegal,
>> as the layers in between might want to push protocol headers,
> That's a total non-issue for us. There are no headers that protocols
> can add before ours.
Ok, if that's the case, and based upon Paolo's response to me it appears
to be, I guess this is OK for now.
Paolo please resubmit your patch, thanks.