The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Marko Kiiskila carnil@cs.tut.fi |
| 3 | * |
| 4 | * Tampere University of Technology - Telecommunications Laboratory |
| 5 | * |
| 6 | * Permission to use, copy, modify and distribute this |
| 7 | * software and its documentation is hereby granted, |
| 8 | * provided that both the copyright notice and this |
| 9 | * permission notice appear in all copies of the software, |
| 10 | * derivative works or modified versions, and any portions |
| 11 | * thereof, that both notices appear in supporting |
| 12 | * documentation, and that the use of this software is |
| 13 | * acknowledged in any publications resulting from using |
| 14 | * the software. |
| 15 | * |
| 16 | * TUT ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| 17 | * CONDITION AND DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
| 18 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS |
| 19 | * SOFTWARE. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #ifndef lint |
| 24 | static const char rcsid[] _U_ = |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 25 | "@(#) $Header: /tcpdump/master/tcpdump/print-lane.c,v 1.25 2005-11-13 12:12:42 guy Exp $ (LBL)"; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 26 | #endif |
| 27 | |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include "config.h" |
| 30 | #endif |
| 31 | |
| 32 | #include <tcpdump-stdinc.h> |
| 33 | |
| 34 | #include <stdio.h> |
| 35 | #include <pcap.h> |
| 36 | |
| 37 | #include "interface.h" |
| 38 | #include "addrtoname.h" |
| 39 | #include "extract.h" |
| 40 | #include "ether.h" |
| 41 | #include "lane.h" |
| 42 | |
| 43 | static const struct tok lecop2str[] = { |
| 44 | { 0x0001, "configure request" }, |
| 45 | { 0x0101, "configure response" }, |
| 46 | { 0x0002, "join request" }, |
| 47 | { 0x0102, "join response" }, |
| 48 | { 0x0003, "ready query" }, |
| 49 | { 0x0103, "ready indication" }, |
| 50 | { 0x0004, "register request" }, |
| 51 | { 0x0104, "register response" }, |
| 52 | { 0x0005, "unregister request" }, |
| 53 | { 0x0105, "unregister response" }, |
| 54 | { 0x0006, "ARP request" }, |
| 55 | { 0x0106, "ARP response" }, |
| 56 | { 0x0007, "flush request" }, |
| 57 | { 0x0107, "flush response" }, |
| 58 | { 0x0008, "NARP request" }, |
| 59 | { 0x0009, "topology request" }, |
| 60 | { 0, NULL } |
| 61 | }; |
| 62 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 63 | static void |
| 64 | lane_hdr_print(netdissect_options *ndo, const u_char *bp) |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 65 | { |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 66 | (void)ND_PRINT((ndo, "lecid:%x ", EXTRACT_16BITS(bp))); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | /* |
| 70 | * This is the top level routine of the printer. 'p' points |
| 71 | * to the LANE header of the packet, 'h->ts' is the timestamp, |
| 72 | * 'h->len' is the length of the packet off the wire, and 'h->caplen' |
| 73 | * is the number of bytes actually captured. |
| 74 | * |
| 75 | * This assumes 802.3, not 802.5, LAN emulation. |
| 76 | */ |
| 77 | void |
| 78 | lane_print(const u_char *p, u_int length, u_int caplen) |
| 79 | { |
| 80 | struct lane_controlhdr *lec; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 81 | |
| 82 | if (caplen < sizeof(struct lane_controlhdr)) { |
| 83 | printf("[|lane]"); |
| 84 | return; |
| 85 | } |
| 86 | |
| 87 | lec = (struct lane_controlhdr *)p; |
| 88 | if (EXTRACT_16BITS(&lec->lec_header) == 0xff00) { |
| 89 | /* |
| 90 | * LE Control. |
| 91 | */ |
| 92 | printf("lec: proto %x vers %x %s", |
| 93 | lec->lec_proto, lec->lec_vers, |
| 94 | tok2str(lecop2str, "opcode-#%u", EXTRACT_16BITS(&lec->lec_opcode))); |
| 95 | return; |
| 96 | } |
| 97 | |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 98 | /* |
| 99 | * Go past the LE header. |
| 100 | */ |
| 101 | length -= 2; |
| 102 | caplen -= 2; |
| 103 | p += 2; |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 104 | |
| 105 | /* |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 106 | * Now print the encapsulated frame, under the assumption |
| 107 | * that it's an Ethernet frame. |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 108 | */ |
JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 109 | ether_print(gndo, p, length, caplen, lane_hdr_print, p - 2); |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | u_int |
| 113 | lane_if_print(const struct pcap_pkthdr *h, const u_char *p) |
| 114 | { |
| 115 | lane_print(p, h->len, h->caplen); |
| 116 | |
| 117 | return (sizeof(struct lecdatahdr_8023)); |
| 118 | } |