Re: [PATCH 0/3] Receive Side Coalescing for macb driver
From: David Miller
Date: Tue Apr 17 2018 - 09:53:39 EST
From: Rafal Ozieblo <rafalo@xxxxxxxxxxx>
Date: Tue, 17 Apr 2018 08:59:35 +0000
> If IP supports RSC and skb has 2B reserved for alignment we end up
> with none packets receive correctly (2B missing in the each skb).
> We can either leave few customers without support in Linux driver or
> let them use the driver with decrease performance.
You probably want to find a way to memmove() the headers to be aligned
in this case, and then point the data afterwards into SKB page frags.