Module Name: src
Committed By: christos
Date: Mon Sep 2 15:34:08 UTC 2024
Modified Files:
src/sys/net: bpf_filter.c dlt.h
Log Message:
merge changes from libpcap-1.10.5
To generate a diff of this commit:
cvs rdiff -u -r1.72 -r1.73 src/sys/net/bpf_filter.c
cvs rdiff -u -r1.24 -r1.25 src/sys/net/dlt.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/net/bpf_filter.c
diff -u src/sys/net/bpf_filter.c:1.72 src/sys/net/bpf_filter.c:1.73
--- src/sys/net/bpf_filter.c:1.72 Thu Aug 17 11:16:33 2023
+++ src/sys/net/bpf_filter.c Mon Sep 2 11:34:08 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: bpf_filter.c,v 1.72 2023/08/17 15:16:33 christos Exp $ */
+/* $NetBSD: bpf_filter.c,v 1.73 2024/09/02 15:34:08 christos Exp $ */
/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.72 2023/08/17 15:16:33 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: bpf_filter.c,v 1.73 2024/09/02 15:34:08 christos Exp $");
#if 0
#if !(defined(lint) || defined(KERNEL))
@@ -211,7 +211,7 @@ bpf_filter(const struct bpf_insn *pc, co
u_int
bpf_filter_ext(const bpf_ctx_t *bc, const struct bpf_insn *pc, bpf_args_t *args)
#else
-__strong_alias(pcap_filter, bpf_filter)
+__strong_alias(pcapint_filter, bpf_filter)
u_int
bpf_filter(const struct bpf_insn *pc, const u_char *p, u_int wirelen,
u_int buflen)
@@ -610,7 +610,7 @@ bpf_validate(const struct bpf_insn *f, i
int
bpf_validate_ext(const bpf_ctx_t *bc, const struct bpf_insn *f, int signed_len)
#else
-__strong_alias(pcap_validate_filter, bpf_validate)
+__strong_alias(pcapint_validate_filter, bpf_validate)
int
bpf_validate(const struct bpf_insn *f, int signed_len)
#endif
Index: src/sys/net/dlt.h
diff -u src/sys/net/dlt.h:1.24 src/sys/net/dlt.h:1.25
--- src/sys/net/dlt.h:1.24 Thu Aug 17 11:17:05 2023
+++ src/sys/net/dlt.h Mon Sep 2 11:34:08 2024
@@ -1,4 +1,4 @@
-/* $NetBSD: dlt.h,v 1.24 2023/08/17 15:17:05 christos Exp $ */
+/* $NetBSD: dlt.h,v 1.25 2024/09/02 15:34:08 christos Exp $ */
/*-
* Copyright (c) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
@@ -60,7 +60,12 @@
/*
* These are the types that are the same on all platforms, and that
* have been defined by <net/bpf.h> for ages.
+ *
+ * DLT_LOW_MATCHING_MIN is the lowest such value; DLT_LOW_MATCHING_MAX
+ * is the highest such value.
*/
+#define DLT_LOW_MATCHING_MIN 0
+
#define DLT_NULL 0 /* BSD loopback encapsulation */
#define DLT_EN10MB 1 /* Ethernet (10Mb) */
#define DLT_EN3MB 2 /* Experimental Ethernet (3Mb) */
@@ -73,6 +78,25 @@
#define DLT_PPP 9 /* Point-to-point Protocol */
#define DLT_FDDI 10 /* FDDI */
+ /*
+ * In case the code that includes this file (directly or indirectly)
+ * has also included OS files that happen to define DLT_LOW_MATCHING_MAX,
+ * with a different value (perhaps because that OS hasn't picked up
+ * the latest version of our DLT definitions), we undefine the
+ * previous value of DLT_LOW_MATCHING_MAX.
+ *
+ * (They shouldn't, because only those 10 values were assigned in
+ * the Good Old Days, before DLT_ code assignment became a bit of
+ * a free-for-all. Perhaps 11 is DLT_ATM_RFC1483 everywhere 11
+ * is used at all, but 12 is DLT_RAW on some platforms but not
+ * OpenBSD, and the fun continues for several other values.)
+ */
+#ifdef DLT_LOW_MATCHING_MAX
+#undef DLT_LOW_MATCHING_MAX
+#endif
+
+#define DLT_LOW_MATCHING_MAX DLT_FDDI /* highest value in this "matching" range */
+
/*
* These are types that are different on some platforms, and that
* have been defined by <net/bpf.h> for ages. We use #ifdefs to
@@ -80,7 +104,9 @@
* 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.
+ * but I don't know what the right #define is for BSD/OS. The last
+ * release was in October 2003; if anybody cares about making this
+ * work on BSD/OS, give us a pull request for a change to make it work.
*/
#define DLT_ATM_RFC1483 11 /* LLC-encapsulated ATM */
@@ -188,12 +214,10 @@
* anything and doesn't appear to have ever used it for anything.)
*
* We define it as 18 on those platforms; it is, unfortunately, used
- * for DLT_CIP in Suse 6.3, so we don't define it as DLT_PFSYNC
- * in general. As the packet format for it, like that for
- * DLT_PFLOG, is not only OS-dependent but OS-version-dependent,
- * we don't support printing it in tcpdump except on OSes that
- * have the relevant header files, so it's not that useful on
- * other platforms.
+ * for DLT_CIP in SUSE 6.3, so we don't define it as 18 on all
+ * platforms. We define it as 121 on FreeBSD and as the same
+ * value that we assigned to LINKTYPE_PFSYNC on all remaining
+ * platforms.
*/
#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__DragonFly__) || defined(__APPLE__)
#define DLT_PFSYNC 18
@@ -238,10 +262,10 @@
* and the LINKTYPE_ value that appears in capture files, are the
* same.
*
- * DLT_MATCHING_MIN is the lowest such value; DLT_MATCHING_MAX is
+ * DLT_HIGH_MATCHING_MIN is the lowest such value; DLT_HIGH_MATCHING_MAX is
* the highest such value.
*/
-#define DLT_MATCHING_MIN 104
+#define DLT_HIGH_MATCHING_MIN 104
/*
* This value was defined by libpcap 0.5; platforms that have defined
@@ -1021,9 +1045,9 @@
#define DLT_AOS 222
/*
- * Wireless HART (Highway Addressable Remote Transducer)
+ * WirelessHART (Highway Addressable Remote Transducer)
* From the HART Communication Foundation
- * IES/PAS 62591
+ * IEC/PAS 62591
*
* Requested by Sam Roberts <[email protected]>.
*/
@@ -1558,15 +1582,15 @@
/*
* In case the code that includes this file (directly or indirectly)
- * has also included OS files that happen to define DLT_MATCHING_MAX,
+ * has also included OS files that happen to define DLT_HIGH_MATCHING_MAX,
* with a different value (perhaps because that OS hasn't picked up
* the latest version of our DLT definitions), we undefine the
- * previous value of DLT_MATCHING_MAX.
+ * previous value of DLT_HIGH_MATCHING_MAX.
*/
-#ifdef DLT_MATCHING_MAX
-#undef DLT_MATCHING_MAX
+#ifdef DLT_HIGH_MATCHING_MAX
+#undef DLT_HIGH_MATCHING_MAX
#endif
-#define DLT_MATCHING_MAX 289 /* highest value in the "matching" range */
+#define DLT_HIGH_MATCHING_MAX 289 /* highest value in the "matching" range */
/*
* DLT and savefile link type values are split into a class and
