i40e: Fix ATR in relation to tunnels

i40e: Fix ATR in relation to tunnels

Orabug: 22342532

This patch contains a number of fixes to make certain that we are using
the correct protocols when parsing both the inner and outer headers of a
frame that is mixed between IPv4 and IPv6 for inner and outer.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Acked-by: Kiran Patil <kiran.patil@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
(cherry picked from commit 6b037cd465ff6e5f6b96524658f47d59d1acc554)
Signed-off-by: Brian Maly <brian.maly@oracle.com>