From: Ted Lemon <source@isc.org>
Date: Sun, 20 Dec 1998 18:21:52 +0000 (+0000)
Subject: Add generalized fallback support.
X-Git-Tag: V2-BETA-1-PATCH-7~26
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=933f590bcec7f1fae3b19b37be78f0bec225c944;p=thirdparty%2Fdhcp.git

Add generalized fallback support.
---

diff --git a/common/bpf.c b/common/bpf.c
index e47aa1f78..60ccb09ba 100644
--- a/common/bpf.c
+++ b/common/bpf.c
@@ -42,7 +42,7 @@
 
 #ifndef lint
 static char copyright[] =
-"$Id: bpf.c,v 1.19 1997/10/20 21:47:13 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
+"$Id: bpf.c,v 1.19.2.1 1998/12/20 18:21:52 mellon Exp $ Copyright (c) 1995, 1996 The Internet Software Consortium.  All rights reserved.\n";
 #endif /* not lint */
 
 #include "dhcpd.h"
@@ -255,6 +255,10 @@ ssize_t send_packet (interface, packet, raw, len, from, to, hto)
 	unsigned char buf [256];
 	struct iovec iov [2];
 
+	if (!strcmp (interface -> name, "fallback"))
+		return send_fallback (interface, packet, raw,
+				      len, from, to, hto);
+
 	/* Assemble the headers... */
 	assemble_hw_header (interface, buf, &bufp, hto);
 	assemble_udp_ip_header (interface, buf, &bufp, from.s_addr,
@@ -383,4 +387,20 @@ ssize_t receive_packet (interface, buf, len, from, hfrom)
 	} while (!length);
 	return 0;
 }
+
+int can_unicast_without_arp ()
+{
+	return 1;
+}
+
+void maybe_setup_fallback ()
+{
+	struct interface_info *fbi;
+	fbi = setup_fallback ();
+	if (fbi) {
+		if_register_fallback (fbi);
+		add_protocol ("fallback", fallback_interface -> wfdesc,
+			      fallback_discard, fallback_interface);
+	}
+}
 #endif