packet: Revert recent header parsing changes.

This reverts commits:

0f75b09c79
cbd89acb9e
c483e02614

Amongst other things, it's modifies the SKB header
to pull the ethernet headers off via eth_type_trans()
on the output path which is bogus.

It's causing serious regressions for people.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2013-08-07 17:11:00 -07:00
commit 09effa67a1