X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/f9b3c51da6c9454af79601666b5afe705901c126..bd00116d80c18b782f4cb15dfc90cd5bf993d4f5:/print-fddi.c diff --git a/print-fddi.c b/print-fddi.c index 0d740089..7576b6f0 100644 --- a/print-fddi.c +++ b/print-fddi.c @@ -255,8 +255,8 @@ fddi_hdr_print(netdissect_options *ndo, { const char *srcname, *dstname; - srcname = etheraddr_string(fsrc); - dstname = etheraddr_string(fdst); + srcname = etheraddr_string(ndo, fsrc); + dstname = etheraddr_string(ndo, fdst); if (ndo->ndo_vflag) ND_PRINT((ndo, "%02x %s %s %d: ", @@ -277,16 +277,16 @@ fddi_smt_print(netdissect_options *ndo, const u_char *p _U_, u_int length _U_) ND_PRINT((ndo, "")); } -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; + int llc_hdrlen; if (caplen < FDDI_HDRLEN) { ND_PRINT((ndo, "[|fddi]")); - return; + return (caplen); } /* @@ -305,32 +305,29 @@ 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(p, length, caplen, ESRC(&ehdr), EDST(&ehdr), - &extracted_ethertype) == 0) { + llc_hdrlen = llc_print(ndo, p, length, caplen, ESRC(&ehdr), EDST(&ehdr)); + 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) - ndo->ndo_default_print(ndo, p, caplen); + 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) - ndo->ndo_default_print(ndo, p, caplen); + ND_DEFAULTPRINT(p, caplen); + llc_hdrlen = 0; } + return (FDDI_HDRLEN + llc_hdrlen); } /* @@ -342,7 +339,5 @@ 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)); }