patch-2.2.13 linux/include/net/ip.h

• Lines: 23
• Date: Tue Oct 19 17:14:02 1999
• Orig file: v2.2.12/linux/include/net/ip.h
• Orig date: Tue May 11 10:36:44 1999

diff -u --recursive --new-file v2.2.12/linux/include/net/ip.h linux/include/net/ip.h
@@ -203,6 +203,22 @@
 	buf[3]=addr&0x7F;
 }
 
+/*
+ *	Map a multicast IP onto multicast MAC for type Token Ring.
+ *      This conforms to RFC1469 Option 2 Multicasting i.e.
+ *      using a functional address to transmit / receive 
+ *      multicast packets.
+ */
+
+extern __inline__ void ip_tr_mc_map(u32 addr, char *buf)
+{
+	buf[0]=0xC0;
+	buf[1]=0x00;
+	buf[2]=0x00;
+	buf[3]=0x04;
+	buf[4]=0x00;
+	buf[5]=0x00;
+}
 
 extern int	ip_call_ra_chain(struct sk_buff *skb);