functions instead of using the IF_ADDR_LOCK directly. The wrapper
functions are the supported interface for device drivers.
Reviewed by: bz, philip
MFC after: 1 week
maximum IP datagram size (65535 bytes) +
Ethernet header size (14 bytes) +
2 * VLAN tag size (4 bytes) [1].
[1] We need to multiply by 2 to account for the double VLAN tag
provision added in IEEE 802.1ad.
Submitted by: David Somayajulu (david.somayajulu qlogic.com)
MFC after: 4 days