bonding: Don't assume 802.1Q when sending alb learning packets.

bonding: Don't assume 802.1Q when sending alb learning packets.

TLB/ALB learning packets always assume 802.1Q vlan protocol, but
that is no longer the case since we now have support for Q-in-Q
on top of bonding.  Pass the vlan protocol to alb_send_lp_vid()
so that the packets are properly tagged.

CC: Jay Vosburgh <[email protected]>
CC: Veaceslav Falico <[email protected]>
CC: Andy Gospodarek <[email protected]>
Signed-off-by: Vlad Yasevich <[email protected]>
Acked-by: Veaceslav Falico <[email protected]>
Signed-off-by: David S. Miller <[email protected]>