patch-2.2.16 linux/net/ipv4/arp.c

• Lines: 45
• Date: Wed Jun 7 14:26:44 2000
• Orig file: v2.2.15/linux/net/ipv4/arp.c
• Orig date: Wed May 3 17:16:53 2000

diff -urN v2.2.15/linux/net/ipv4/arp.c linux/net/ipv4/arp.c
@@ -1,6 +1,6 @@
 /* linux/net/inet/arp.c
  *
- * Version:	$Id: arp.c,v 1.77.2.5 1999/12/14 10:32:39 davem Exp $
+ * Version:	$Id: arp.c,v 1.77.2.6 2000/05/27 04:46:43 davem Exp $
  *
  * Copyright (C) 1994 by Florian  La Roche
  *
@@ -65,6 +65,7 @@
  *					clean up the APFDDI & gen. FDDI bits.
  *		Alexey Kuznetsov:	new arp state machine;
  *					now it is in net/core/neighbour.c.
+ *		Krzysztof Halasa:	Added Frame Relay ARP support.
  *		Julian Anastasov:	"hidden" flag: hide the
  *					interface and don't reply for it
  */
@@ -618,7 +619,7 @@
 #endif
 	}
 
-	/* Undertsand only these message types */
+	/* Understand only these message types */
 
 	if (arp->ar_op != __constant_htons(ARPOP_REPLY) &&
 	    arp->ar_op != __constant_htons(ARPOP_REQUEST))
@@ -634,12 +635,19 @@
 	tha=arp_ptr;
 	arp_ptr += dev->addr_len;
 	memcpy(&tip, arp_ptr, 4);
+
 /* 
  *	Check for bad requests for 127.x.x.x and requests for multicast
  *	addresses.  If this is one such, delete it.
  */
 	if (LOOPBACK(tip) || MULTICAST(tip))
 		goto out;
+
+/*
+ *     Special case: We must set Frame Relay source Q.922 address
+ */
+	if (dev_type == ARPHRD_DLCI)
+		sha = dev->broadcast;
 
 /*
  *  Process entry.  The idea here is we want to send a reply if it is a