LINK_STATE_HALF_DUPLEX
LINK_STATE_FULL_DUPLEX : LINK_STATE_HALF_DUPLEX;
LINK_STATE_HALF_DUPLEX;
link_state = LINK_STATE_HALF_DUPLEX;
LINK_STATE_HALF_DUPLEX :
link_state = LINK_STATE_HALF_DUPLEX;
LINK_STATE_FULL_DUPLEX : LINK_STATE_HALF_DUPLEX;
LINK_STATE_FULL_DUPLEX : LINK_STATE_HALF_DUPLEX;
ifp->if_link_state = LINK_STATE_HALF_DUPLEX;
{ IFT_CARP, LINK_STATE_HALF_DUPLEX, "master" }, \
{ 0, LINK_STATE_HALF_DUPLEX, "active" }, \
case LINK_STATE_HALF_DUPLEX:
case LINK_STATE_HALF_DUPLEX: