TIDA-00203: How to Enbale DHCP

Part Number: TIDA-00203

i have CAN to Ethernet demo board. The board is getting ping with 169.254.254.255 successfully.

i have source code of CAN to Ethernet  which is download from TI web site.  Now ,what do i  make change in downloaded source  code to communicate with  TIDA-00203 Board through static ip other than Default ip (169.254.254.255) , and also how can i enable DHCP for this board.