Add changes in 4.2.1.

[tcpdump] / print-lane.c

diff --git a/print-lane.c b/print-lane.c
index fe0afb4b718ec8d425a3b0e11c4d1125d367be66..aa7931154911f5106c984199583949c25ba572a7 100644 (file)
--- a/print-lane.c
+++ b/print-lane.c
@@ -21,8 +21,8 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-lane.c,v 1.18 2002-12-18 08:53:22 guy Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-lane.c,v 1.25 2005-11-13 12:12:42 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -60,31 +60,16 @@ static const struct tok lecop2str[] = {
        { 0,            NULL }
 };
 
-static inline void
-lane_hdr_print(register const u_char *bp, int length)
+static void
+lane_hdr_print(netdissect_options *ndo, const u_char *bp)
 {
-       register const struct lecdatahdr_8023 *ep;
-
-       ep = (const struct lecdatahdr_8023 *)bp;
-       if (qflag)
-               (void)printf("lecid:%x %s %s %d: ",
-                            EXTRACT_16BITS(&ep->le_header),
-                            etheraddr_string(ep->h_source),
-                            etheraddr_string(ep->h_dest),
-                            length);
-       else
-               (void)printf("lecid:%x %s %s %s %d: ",
-                            EXTRACT_16BITS(&ep->le_header),
-                            etheraddr_string(ep->h_source),
-                            etheraddr_string(ep->h_dest),
-                            etherproto_string(ep->h_type),
-                            length);
+       (void)ND_PRINT((ndo, "lecid:%x ", EXTRACT_16BITS(bp)));
 }
 
 /*
  * This is the top level routine of the printer.  'p' points
  * to the LANE header of the packet, 'h->ts' is the timestamp,
- * 'h->length' is the length of the packet off the wire, and 'h->caplen'
+ * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  *
  * This assumes 802.3, not 802.5, LAN emulation.
@@ -93,9 +78,6 @@ void
 lane_print(const u_char *p, u_int length, u_int caplen)
 {
        struct lane_controlhdr *lec;
-       struct lecdatahdr_8023 *ep;
-       u_short ether_type;
-       u_short extracted_ethertype;
 
        if (caplen < sizeof(struct lane_controlhdr)) {
                printf("[|lane]");
@@ -113,71 +95,24 @@ lane_print(const u_char *p, u_int length, u_int caplen)
                return;
        }
 
-       if (caplen < sizeof(struct lecdatahdr_8023)) {
-               printf("[|lane]");
-               return;
-       }
-
-       if (eflag)
-               lane_hdr_print(p, length);
-
        /*
-        * Some printers want to check that they're not walking off the
-        * end of the packet.
-        * Rather than pass it all the way down, we set this global.
+        * Go past the LE header.
         */
-       snapend = p + caplen;
-
-       length -= sizeof(struct lecdatahdr_8023);
-       caplen -= sizeof(struct lecdatahdr_8023);
-       ep = (struct lecdatahdr_8023 *)p;
-       p += sizeof(struct lecdatahdr_8023);
-
-       ether_type = EXTRACT_16BITS(&ep->h_type);
+       length -= 2;
+       caplen -= 2;
+       p += 2;
 
        /*
-        * Is it (gag) an 802.3 encapsulation?
+        * Now print the encapsulated frame, under the assumption
+        * that it's an Ethernet frame.
         */
-       extracted_ethertype = 0;
-       if (ether_type <= ETHERMTU) {
-               /* Try to print the LLC-layer header & higher layers */
-               if (llc_print(p, length, caplen, ep->h_source, ep->h_dest,
-                   &extracted_ethertype) == 0) {
-                       /* ether_type not known, print raw packet */
-                       if (!eflag)
-                               lane_hdr_print((u_char *)ep, length + sizeof(*ep));
-                       if (extracted_ethertype) {
-                               printf("(LLC %s) ",
-                              etherproto_string(htons(extracted_ethertype)));
-                       }
-                       if (!xflag && !qflag)
-                               default_print(p, caplen);
-               }
-       } else if (ether_encap_print(ether_type, p, length, caplen,
-           &extracted_ethertype) == 0) {
-               /* ether_type not known, print raw packet */
-               if (!eflag)
-                       lane_hdr_print((u_char *)ep, length + sizeof(*ep));
-               if (!xflag && !qflag)
-                       default_print(p, caplen);
-       }
-       if (xflag)
-               default_print(p, caplen);
+       ether_print(gndo, p, length, caplen, lane_hdr_print, p - 2);
 }
 
-void
-lane_if_print(u_char *user _U_, const struct pcap_pkthdr *h, const u_char *p)
+u_int
+lane_if_print(const struct pcap_pkthdr *h, const u_char *p)
 {
-       int caplen = h->caplen;
-       int length = h->len;
-
-       ++infodelay;
-       ts_print(&h->ts);
-
-       lane_print(p, length, caplen);
+       lane_print(p, h->len, h->caplen);
 
-       putchar('\n');
-       --infodelay;
-       if (infoprint)
-               info(0);
+       return (sizeof(struct lecdatahdr_8023));
 }