X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/6ec714988caac3bf9fedc766ae51a2248896ec80..refs/heads/master:/print-lane.c diff --git a/print-lane.c b/print-lane.c index cc4cb6bb..3836b066 100644 --- a/print-lane.c +++ b/print-lane.c @@ -22,27 +22,26 @@ /* \summary: ATM LANE printer */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif +#include -#include +#include "netdissect-stdinc.h" +#define ND_LONGJMP_FROM_TCHECK #include "netdissect.h" #include "extract.h" struct lecdatahdr_8023 { - uint16_t le_header; - nd_mac_addr h_dest; - nd_mac_addr h_source; - uint16_t h_type; + nd_uint16_t le_header; + nd_mac48 h_dest; + nd_mac48 h_source; + nd_uint16_t h_type; }; struct lane_controlhdr { - uint16_t lec_header; - uint8_t lec_proto; - uint8_t lec_vers; - uint16_t lec_opcode; + nd_uint16_t lec_header; + nd_uint8_t lec_proto; + nd_uint8_t lec_vers; + nd_uint16_t lec_opcode; }; static const struct tok lecop2str[] = { @@ -68,15 +67,10 @@ static const struct tok lecop2str[] = { static void lane_hdr_print(netdissect_options *ndo, const u_char *bp) { - ND_PRINT((ndo, "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 @@ -84,25 +78,24 @@ lane_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen) { const struct lane_controlhdr *lec; - if (caplen < sizeof(struct lane_controlhdr)) { - ND_PRINT((ndo, "[|lane]")); - return; - } + ndo->ndo_protocol = "lane"; 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((ndo, "lec: proto %x vers %x %s", - lec->lec_proto, lec->lec_vers, - tok2str(lecop2str, "opcode-#%u", EXTRACT_BE_U_2(&lec->lec_opcode)))); + ND_PRINT("lec: proto %x vers %x %s", + 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; @@ -113,11 +106,3 @@ lane_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen) */ 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) -{ - lane_print(ndo, p, h->len, h->caplen); - - return (sizeof(struct lecdatahdr_8023)); -}