When randomly generating MAC addresses they will always be
locally administrated addresses, so the LAA bit should be set.
The LAA bit is the 2nd bit of the 1st byte of the MAC address
not the 2nd bit of the 4th byte.
Fixes: #16452
Signed-off-by: Erwin Rol <erwin@erwinrol.com>
Remove magic numbers from Ethernet drivers and tests by defining
NET_ETH_MAX_DATAGRAM_SIZE and NET_ETH_MAX_FRAME_SIZE.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Any word started with underscore followed by and uppercase letter or a
second underscore is a reserved word according with C99.
Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>