add ETH_P_PREAUTH ethertype from linux v4.17

added in linux commit 4fe0de5b143762d327bfaf1d7be7c5b58041a18c

diff --git a/include/netinet/if_ether.h b/include/netinet/if_ether.h
index f7df5f7f6b1c4f283b4bfe0bbb3893fa099aead1..ecd6c73cbda7f47da6f3ec64f95b577463d7d805 100644 (file)
--- a/include/netinet/if_ether.h
+++ b/include/netinet/if_ether.h
@@ -56,6 +56,7 @@
 #define ETH_P_8021AD   0x88A8
 #define ETH_P_802_EX1  0x88B5
 #define ETH_P_ERSPAN   0x88BE
+#define ETH_P_PREAUTH  0x88C7
 #define ETH_P_TIPC     0x88CA
 #define ETH_P_MACSEC   0x88E5
 #define ETH_P_8021AH   0x88E7