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Diffstat (limited to 'sysdeps/unix/sysv/linux/net/if_arp.h')
-rw-r--r--sysdeps/unix/sysv/linux/net/if_arp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/net/if_arp.h b/sysdeps/unix/sysv/linux/net/if_arp.h
index c4ac8e8400..25d65702cd 100644
--- a/sysdeps/unix/sysv/linux/net/if_arp.h
+++ b/sysdeps/unix/sysv/linux/net/if_arp.h
@@ -92,6 +92,7 @@ struct arphdr
 #define ARPHRD_PPP	512
 #define ARPHRD_HDLC	513		/* (Cisco) HDLC.  */
 #define ARPHRD_LAPB	516		/* LAPB.  */
+#define ARPHRD_DDCMP	517		/* Digital's DDCMP.  */
 
 #define ARPHRD_TUNNEL	768		/* IPIP tunnel.  */
 #define ARPHRD_TUNNEL6	769		/* IPIP6 tunnel.  */