From: "Jason A. Donenfeld" <ja...@zx2c4.com> Date: Mon, 26 Jun 2017 00:52:09 +0200
> On Sun, Jun 25, 2017 at 5:49 PM, David Miller <da...@davemloft.net> wrote: >> You definitely can't just rewrite header fields here either. The >> SKB could be shared, for example. > > I was afraid of that. It's easy to rework this particular patch, > though, if you're still interested in the crufty bolt on approach... > But I think I should investigate the netfilter-only approach instead, > as you suggested. I highly encourage you to continue pursuing the netfilter based approach, and to also discuss it on netfilter-devel which will hit more capable minds than just here on netdev.