From 2df7f6110dc24b8d55e1c6c2c825fb2e393cdfb2 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Thu, 4 Jun 1998 23:11:43 +0000
Subject: add DLT_LOOP support; 4-byte header indicates proto; cstone@pobox.com

---
 lib/libpcap/gencode.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'lib/libpcap')

diff --git a/lib/libpcap/gencode.c b/lib/libpcap/gencode.c
index 068d5642105..d6d323ab1a7 100644
--- a/lib/libpcap/gencode.c
+++ b/lib/libpcap/gencode.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: gencode.c,v 1.6 1997/07/25 20:30:18 mickey Exp $	*/
+/*	$OpenBSD: gencode.c,v 1.7 1998/06/04 23:11:34 deraadt Exp $	*/
 
 /*
  * Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996
@@ -493,6 +493,11 @@ init_linktype(type)
 		off_nl = 0;
 		return;
 
+	case DLT_LOOP:
+		off_linktype = -1;
+		off_nl = 4;
+		return;
+
 	case DLT_PPP:
 		off_linktype = 2;
 		off_nl = 4;
@@ -575,10 +580,11 @@ gen_linktype(proto)
 			proto = 0x0021;		/* XXX - need ppp.h defs */
 		break;
 
+	case DLT_LOOP:
 	case DLT_NULL:
 		/* XXX */
 		if (proto == ETHERTYPE_IP)
-			return (gen_cmp(0, BPF_W, (bpf_int32)AF_INET));
+			return (gen_cmp(0, BPF_W, htonl((bpf_int32) AF_INET)));
 		else
 			return gen_false();
 	}
-- 
cgit v1.2.3