/* \summary: ATM LANE printer */
-#ifdef HAVE_CONFIG_H
#include <config.h>
-#endif
#include "netdissect-stdinc.h"
+#define ND_LONGJMP_FROM_TCHECK
#include "netdissect.h"
#include "extract.h"
struct lecdatahdr_8023 {
nd_uint16_t le_header;
- nd_mac_addr h_dest;
- nd_mac_addr h_source;
+ nd_mac48 h_dest;
+ nd_mac48 h_source;
nd_uint16_t h_type;
};
static void
lane_hdr_print(netdissect_options *ndo, const u_char *bp)
{
- ND_PRINT("lecid:%x ", EXTRACT_BE_U_2(bp));
+ ND_PRINT("lecid:%x ", GET_BE_U_2(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->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.
*/
void
const struct lane_controlhdr *lec;
ndo->ndo_protocol = "lane";
- if (caplen < sizeof(struct lane_controlhdr)) {
- ND_PRINT("[|lane]");
- return;
- }
lec = (const struct lane_controlhdr *)p;
- if (EXTRACT_BE_U_2(lec->lec_header) == 0xff00) {
+ if (GET_BE_U_2(lec->lec_header) == 0xff00) {
/*
* LE Control.
*/
ND_PRINT("lec: proto %x vers %x %s",
- EXTRACT_U_1(lec->lec_proto),
- EXTRACT_U_1(lec->lec_vers),
- tok2str(lecop2str, "opcode-#%u", EXTRACT_BE_U_2(lec->lec_opcode)));
+ GET_U_1(lec->lec_proto),
+ GET_U_1(lec->lec_vers),
+ tok2str(lecop2str, "opcode-#%u", GET_BE_U_2(lec->lec_opcode)));
return;
}
/*
* Go past the LE header.
*/
+ ND_TCHECK_2(p); /* Needed */
length -= 2;
caplen -= 2;
p += 2;
*/
ether_print(ndo, p, length, caplen, lane_hdr_print, p - 2);
}
-
-u_int
-lane_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
-{
- ndo->ndo_protocol = "lane_if";
- lane_print(ndo, p, h->len, h->caplen);
-
- return (sizeof(struct lecdatahdr_8023));
-}