see linux commit c54c2c72b2b90a3ba61b8cad032a578ce2bf5b35 net: Add a define for LLDP ethertype
@@ -58,6 +58,7 @@
#define ETH_P_ERSPAN 0x88BE
#define ETH_P_PREAUTH 0x88C7
#define ETH_P_TIPC 0x88CA
+#define ETH_P_LLDP 0x88CC
#define ETH_P_MACSEC 0x88E5
#define ETH_P_8021AH 0x88E7
#define ETH_P_MVRP 0x88F5