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-rw-r--r--contrib/tcpdump/print-fddi.c62
1 files changed, 28 insertions, 34 deletions
diff --git a/contrib/tcpdump/print-fddi.c b/contrib/tcpdump/print-fddi.c
index 2b53c45..2780378 100644
--- a/contrib/tcpdump/print-fddi.c
+++ b/contrib/tcpdump/print-fddi.c
@@ -17,20 +17,19 @@
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $FreeBSD$
*/
-#define NETDISSECT_REWORKED
+/* \summary: Fiber Distributed Data Interface (FDDI) printer */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
#include <string.h>
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
#include "ether.h"
@@ -86,9 +85,9 @@ struct fddi_header {
* Some FDDI interfaces use bit-swapped addresses.
*/
#if defined(ultrix) || defined(__alpha) || defined(__bsdi) || defined(__NetBSD__) || defined(__linux__)
-int fddi_bitswap = 0;
+static int fddi_bitswap = 0;
#else
-int fddi_bitswap = 1;
+static int fddi_bitswap = 1;
#endif
/*
@@ -261,17 +260,11 @@ fddi_hdr_print(netdissect_options *ndo,
srcname = etheraddr_string(ndo, fsrc);
dstname = etheraddr_string(ndo, fdst);
- if (ndo->ndo_vflag)
- ND_PRINT((ndo, "%02x %s %s %d: ",
- fddip->fddi_fc,
- srcname, dstname,
- length));
- else if (ndo->ndo_qflag)
- ND_PRINT((ndo, "%s %s %d: ", srcname, dstname, length));
- else {
+ if (!ndo->ndo_qflag)
print_fddi_fc(ndo, fddip->fddi_fc);
- ND_PRINT((ndo, "%s %s %d: ", srcname, dstname, length));
- }
+ ND_PRINT((ndo, "%s > %s, length %u: ",
+ srcname, dstname,
+ length));
}
static inline void
@@ -280,16 +273,17 @@ fddi_smt_print(netdissect_options *ndo, const u_char *p _U_, u_int length _U_)
ND_PRINT((ndo, "<SMT printer not yet implemented>"));
}
-void
+u_int
fddi_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
{
const struct fddi_header *fddip = (const struct fddi_header *)p;
struct ether_header ehdr;
- u_short extracted_ethertype;
+ struct lladdr_info src, dst;
+ int llc_hdrlen;
if (caplen < FDDI_HDRLEN) {
ND_PRINT((ndo, "[|fddi]"));
- return;
+ return (caplen);
}
/*
@@ -300,6 +294,11 @@ fddi_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
if (ndo->ndo_eflag)
fddi_hdr_print(ndo, fddip, length, ESRC(&ehdr), EDST(&ehdr));
+ src.addr = ESRC(&ehdr);
+ src.addr_string = etheraddr_string;
+ dst.addr = EDST(&ehdr);
+ dst.addr_string = etheraddr_string;
+
/* Skip over FDDI MAC header */
length -= FDDI_HDRLEN;
p += FDDI_HDRLEN;
@@ -308,32 +307,29 @@ fddi_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
/* Frame Control field determines interpretation of packet */
if ((fddip->fddi_fc & FDDIFC_CLFF) == FDDIFC_LLC_ASYNC) {
/* Try to print the LLC-layer header & higher layers */
- if (llc_print(ndo, p, length, caplen, ESRC(&ehdr), EDST(&ehdr),
- &extracted_ethertype) == 0) {
+ llc_hdrlen = llc_print(ndo, p, length, caplen, &src, &dst);
+ if (llc_hdrlen < 0) {
/*
* Some kinds of LLC packet we cannot
* handle intelligently
*/
- if (!ndo->ndo_eflag)
- fddi_hdr_print(ndo, fddip, length + FDDI_HDRLEN,
- ESRC(&ehdr), EDST(&ehdr));
- if (extracted_ethertype) {
- ND_PRINT((ndo, "(LLC %s) ",
- etherproto_string(htons(extracted_ethertype))));
- }
if (!ndo->ndo_suppress_default_print)
ND_DEFAULTPRINT(p, caplen);
+ llc_hdrlen = -llc_hdrlen;
}
- } else if ((fddip->fddi_fc & FDDIFC_CLFF) == FDDIFC_SMT)
+ } else if ((fddip->fddi_fc & FDDIFC_CLFF) == FDDIFC_SMT) {
fddi_smt_print(ndo, p, caplen);
- else {
+ llc_hdrlen = 0;
+ } else {
/* Some kinds of FDDI packet we cannot handle intelligently */
if (!ndo->ndo_eflag)
fddi_hdr_print(ndo, fddip, length + FDDI_HDRLEN, ESRC(&ehdr),
EDST(&ehdr));
if (!ndo->ndo_suppress_default_print)
ND_DEFAULTPRINT(p, caplen);
+ llc_hdrlen = 0;
}
+ return (FDDI_HDRLEN + llc_hdrlen);
}
/*
@@ -345,7 +341,5 @@ fddi_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
u_int
fddi_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, register const u_char *p)
{
- fddi_print(ndo, p, h->len, h->caplen);
-
- return (FDDI_HDRLEN);
+ return (fddi_print(ndo, p, h->len, h->caplen));
}
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