Add a new define ETH_P_LLDP for Link Layer Discovery Protocol (LLDP)
ethertype.
Suggested-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
 #define ETH_P_802_EX1  0x88B5          /* 802.1 Local Experimental 1.  */
 #define ETH_P_PREAUTH  0x88C7          /* 802.11 Preauthentication */
 #define ETH_P_TIPC     0x88CA          /* TIPC                         */
+#define ETH_P_LLDP     0x88CC          /* Link Layer Discovery Protocol */
 #define ETH_P_MACSEC   0x88E5          /* 802.1ae MACsec */
 #define ETH_P_8021AH   0x88E7          /* 802.1ah Backbone Service Tag */
 #define ETH_P_MVRP     0x88F5          /* 802.1Q MVRP                  */