LM_MEDIUM_TYPE_EXT_PHY_LOOPBACK
((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_EXT_PHY_LOOPBACK) || \
case LM_MEDIUM_TYPE_EXT_PHY_LOOPBACK:
case LM_MEDIUM_TYPE_EXT_PHY_LOOPBACK:
((GET_MEDIUM_TYPE(_medium)) == LM_MEDIUM_TYPE_EXT_PHY_LOOPBACK) || \