BNGE_LINK_DUPLEX_FULL
elink_info->req_duplex = BNGE_LINK_DUPLEX_FULL;
if (bd->link_info.duplex == BNGE_LINK_DUPLEX_FULL)
if (link_info->duplex & BNGE_LINK_DUPLEX_FULL)
if (elink_info->req_duplex == BNGE_LINK_DUPLEX_FULL)