We now rely on the skb->mark = 0xDeadC1a7 setting side effect for non offloadable packets, but for this to work reliably, we *must* be able to read the ip header. Test: TreeHugger, and on a gs101-based pixel Signed-off-by: Maciej Żenczykowski <maze@google.com> Change-Id: Ic2b15335099404047d136a92ce7aeeb1f11ccfa3