X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/7e6bad5cf5d0a16b028c82d884e30ae9c31e316c..fb8b947488c7f22b518de1df1a91e663dc7ab33c:/print-fddi.c diff --git a/print-fddi.c b/print-fddi.c index 858dfb5a..84aea552 100644 --- a/print-fddi.c +++ b/print-fddi.c @@ -20,33 +20,16 @@ */ #ifndef lint -static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-fddi.c,v 1.40 1999-12-14 16:49:02 fenner Exp $ (LBL)"; +static const char rcsid[] _U_ = + "@(#) $Header: /tcpdump/master/tcpdump/print-fddi.c,v 1.64 2004-03-17 23:24:37 guy Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include -#include -#include -#include -#include +#include -#if __STDC__ -struct mbuf; -struct rtentry; -#endif -#include - -#include -#include -#include -#include - -#include -#include #include #include #include @@ -55,12 +38,13 @@ struct rtentry; #include "addrtoname.h" #include "ethertype.h" +#include "ether.h" #include "fddi.h" /* * Some FDDI interfaces use bit-swapped addresses. */ -#if defined(ultrix) || defined(__alpha) || defined(__bsdi) || defined(__NetBSD__) +#if defined(ultrix) || defined(__alpha) || defined(__bsdi) || defined(__NetBSD__) || defined(__linux__) int fddi_bitswap = 0; #else int fddi_bitswap = 1; @@ -96,8 +80,6 @@ int fddi_bitswap = 1; * - vj */ -#define FDDI_HDRLEN (sizeof(struct fddi_header)) - static u_char fddi_bit_swap[] = { 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0, @@ -220,8 +202,8 @@ extract_fddi_addrs(const struct fddi_header *fddip, char *fsrc, char *fdst) fsrc[i] = fddi_bit_swap[fddip->fddi_shost[i]]; } else { - memcpy(fdst, (char *)fddip->fddi_dhost, 6); - memcpy(fsrc, (char *)fddip->fddi_shost, 6); + memcpy(fdst, (const char *)fddip->fddi_dhost, 6); + memcpy(fsrc, (const char *)fddip->fddi_shost, 6); } } @@ -229,10 +211,10 @@ extract_fddi_addrs(const struct fddi_header *fddip, char *fsrc, char *fdst) * Print the FDDI MAC header */ static inline void -fddi_print(register const struct fddi_header *fddip, register u_int length, +fddi_hdr_print(register const struct fddi_header *fddip, register u_int length, register const u_char *fsrc, register const u_char *fdst) { - char *srcname, *dstname; + const char *srcname, *dstname; srcname = etheraddr_string(fsrc); dstname = etheraddr_string(fdst); @@ -251,53 +233,30 @@ fddi_print(register const struct fddi_header *fddip, register u_int length, } static inline void -fddi_smt_print(const u_char *p, u_int length) +fddi_smt_print(const u_char *p _U_, u_int length _U_) { printf(""); } -/* - * This is the top level routine of the printer. 'sp' is the points - * to the FDDI header of the packet, 'tvp' is the timestamp, - * 'length' is the length of the packet off the wire, and 'caplen' - * is the number of bytes actually captured. - */ void -fddi_if_print(u_char *pcap, const struct pcap_pkthdr *h, - register const u_char *p) +fddi_print(const u_char *p, u_int length, u_int caplen) { - u_int caplen = h->caplen; - u_int length = h->len; - const struct fddi_header *fddip = (struct fddi_header *)p; + const struct fddi_header *fddip = (const struct fddi_header *)p; struct ether_header ehdr; u_short extracted_ethertype; - ts_print(&h->ts); - if (caplen < FDDI_HDRLEN) { printf("[|fddi]"); - goto out; + return; } + /* * Get the FDDI addresses into a canonical form */ extract_fddi_addrs(fddip, (char *)ESRC(&ehdr), (char *)EDST(&ehdr)); - /* - * Some printers want to get back at the link level addresses, - * and/or check that they're not walking off the end of the packet. - * Rather than pass them all the way down, we set these globals. - */ - snapend = p + caplen; - /* - * Actually, the only printer that uses packetp is print-bootp.c, - * and it assumes that packetp points to an Ethernet header. The - * right thing to do is to fix print-bootp.c to know which link - * type is in use when it excavates. XXX - */ - packetp = (u_char *)&ehdr; if (eflag) - fddi_print(fddip, length, ESRC(&ehdr), EDST(&ehdr)); + fddi_hdr_print(fddip, length, ESRC(&ehdr), EDST(&ehdr)); /* Skip over FDDI MAC header */ length -= FDDI_HDRLEN; @@ -308,14 +267,14 @@ fddi_if_print(u_char *pcap, const struct pcap_pkthdr *h, extracted_ethertype = 0; 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)) - == 0) { + if (llc_print(p, length, caplen, ESRC(&ehdr), EDST(&ehdr), + &extracted_ethertype) == 0) { /* * Some kinds of LLC packet we cannot * handle intelligently */ if (!eflag) - fddi_print(fddip, length, + fddi_hdr_print(fddip, length + FDDI_HDRLEN, ESRC(&ehdr), EDST(&ehdr)); if (extracted_ethertype) { printf("(LLC %s) ", @@ -329,12 +288,23 @@ fddi_if_print(u_char *pcap, const struct pcap_pkthdr *h, else { /* Some kinds of FDDI packet we cannot handle intelligently */ if (!eflag) - fddi_print(fddip, length, ESRC(&ehdr), EDST(&ehdr)); + fddi_hdr_print(fddip, length + FDDI_HDRLEN, ESRC(&ehdr), + EDST(&ehdr)); if (!xflag && !qflag) default_print(p, caplen); } - if (xflag) - default_print(p, caplen); -out: - putchar('\n'); +} + +/* + * This is the top level routine of the printer. 'p' points + * to the FDDI 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. + */ +u_int +fddi_if_print(const struct pcap_pkthdr *h, register const u_char *p) +{ + fddi_print(p, h->len, h->caplen); + + return (FDDI_HDRLEN); }