From d5c3be9ab662fcbe3a8ab0973b8d1a564279f171 Mon Sep 17 00:00:00 2001
From: guy <guy>
Date: Sat, 8 Mar 2003 09:21:37 +0000
Subject: FreeBSD also defines DLT_SLIP_BSDOS as 13 and DLT_PPP_BSDOS as 14, so
 we define them that way on FreeBSD as well as NetBSD.

---
 pcap-bpf.h | 38 +++++++++++++-------------------------
 1 file changed, 13 insertions(+), 25 deletions(-)

(limited to 'pcap-bpf.h')

diff --git a/pcap-bpf.h b/pcap-bpf.h
index 1e1a52d..8ac4527 100644
--- a/pcap-bpf.h
+++ b/pcap-bpf.h
@@ -37,7 +37,7 @@
  *
  *      @(#)bpf.h       7.1 (Berkeley) 5/7/91
  *
- * @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.4 2003-03-08 09:13:39 guy Exp $ (LBL)
+ * @(#) $Header: /tcpdump/master/libpcap/pcap-bpf.h,v 1.5 2003-03-08 09:21:37 guy Exp $ (LBL)
  */
 
 /*
@@ -110,14 +110,8 @@ struct bpf_version {
  */
 
 /*
- * These are the types that are the same on all platforms; on other
- * platforms, a <net/bpf.h> should be supplied that defines the additional
- * DLT_* codes appropriately for that platform (the BSDs, for example,
- * should not just pick up this version of "bpf.h"; they should also define
- * the additional DLT_* codes used by their kernels, as well as the values
- * defined here - and, if the values they use for particular DLT_ types
- * differ from those here, they should use their values, not the ones
- * here).
+ * These are the types that are the same on all platforms, and that
+ * have been defined by <net/bpf.h> for ages.
  */
 #define DLT_NULL	0	/* no link-layer encapsulation */
 #define DLT_EN10MB	1	/* Ethernet (10Mb) */
@@ -132,15 +126,16 @@ struct bpf_version {
 #define DLT_FDDI	10	/* FDDI */
 
 /*
- * These are values from the traditional libpcap "bpf.h".
- * Ports of this to particular platforms should replace these definitions
- * with the ones appropriate to that platform, if the values are
- * different on that platform.
+ * These are types that are different on some platforms, and that
+ * have been defined by <net/bpf.h> for ages.  We use #ifdefs to
+ * detect the BSDs that define them differently from the traditional
+ * libpcap <net/bpf.h>
  *
  * XXX - DLT_ATM_RFC1483 is 13 in BSD/OS, and DLT_RAW is 14 in BSD/OS,
  * but I don't know what the right #define is for BSD/OS.
  */
 #define DLT_ATM_RFC1483	11	/* LLC/SNAP encapsulated atm */
+
 #ifdef __OpenBSD__
 #define DLT_RAW		14	/* raw IP */
 #else
@@ -148,19 +143,12 @@ struct bpf_version {
 #endif
 
 /*
- * These are values from BSD/OS's "bpf.h".
- * These are not the same as the values from the traditional libpcap
- * "bpf.h"; however, these values shouldn't be generated by any
- * OS other than BSD/OS, so the correct values to use here are the
- * BSD/OS values.
- *
- * Platforms that have already assigned these values to other
- * DLT_ codes, however, should give these codes the values
- * from that platform, so that programs that use these codes will
- * continue to compile - even though they won't correctly read
- * files of these types.
+ * Given that the only OS that currently generates BSD/OS SLIP or PPP
+ * is, well, BSD/OS, arguably everybody should have chosen its values
+ * for DLT_SLIP_BSDOS and DLT_PPP_BSDOS, which are 15 and 16, but they
+ * didn't.  So it goes.
  */
-#ifdef __NetBSD__
+#if defined(__NetBSD__) || defined(__FreeBSD__)
 #ifndef DLT_SLIP_BSDOS
 #define DLT_SLIP_BSDOS	13	/* BSD/OS Serial Line IP */
 #define DLT_PPP_BSDOS	14	/* BSD/OS Point-to-point Protocol */
-- 
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