When the flow dissector first sees packets coming in on a DSA devices the
802.3 header wont be located where the code expects it to be as the tag
is still present. Adding this new callback allows a DSA device to provide a
new function that the flow_dissector can use to get the correct protocol
and offset of the network header.
Signed-off-by: NMuciri Gatimu <muciri@openmesh.com>
Signed-off-by: NShashidhar Lakkavalli <shashidhar.lakkavalli@openmesh.com>
Signed-off-by: NJohn Crispin <john@phrozen.org>
Reviewed-by: NAndrew Lunn <andrew@lunn.ch>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>