124327Ssklower /* 2*61474Sbostic * Copyright (c) 1983, 1993 3*61474Sbostic * The Regents of the University of California. All rights reserved. 424327Ssklower * 535551Sbostic * This file includes significant work done at Cornell University by 635551Sbostic * Bill Nesheim. That work included by permission. 724327Ssklower * 842699Sbostic * %sccs.include.redist.c% 935551Sbostic * 10*61474Sbostic * @(#)trace.h 8.1 (Berkeley) 06/05/93 1124327Ssklower */ 1224315Ssklower 1324315Ssklower /* 1424315Ssklower * Xerox Routing Information Protocol. 1524315Ssklower */ 1624315Ssklower 1724315Ssklower /* 1824315Ssklower * Trace record format. 1924315Ssklower */ 2024315Ssklower struct iftrace { 2124315Ssklower time_t ift_stamp; /* time stamp */ 2224315Ssklower struct sockaddr ift_who; /* from/to */ 2324315Ssklower char *ift_packet; /* pointer to packet */ 2424315Ssklower short ift_size; /* size of packet */ 2524315Ssklower short ift_metric; /* metric */ 2624315Ssklower }; 2724315Ssklower 2824315Ssklower /* 2924315Ssklower * Per interface packet tracing buffers. An incoming and 3024315Ssklower * outgoing circular buffer of packets is maintained, per 3124315Ssklower * interface, for debugging. Buffers are dumped whenever 3224315Ssklower * an interface is marked down. 3324315Ssklower */ 3424315Ssklower struct ifdebug { 3524315Ssklower struct iftrace *ifd_records; /* array of trace records */ 3624315Ssklower struct iftrace *ifd_front; /* next empty trace record */ 3724315Ssklower int ifd_count; /* number of unprinted records */ 3824315Ssklower struct interface *ifd_if; /* for locating stuff */ 3924315Ssklower }; 4024315Ssklower 4124315Ssklower /* 4224315Ssklower * Packet tracing stuff. 4324315Ssklower */ 4424315Ssklower int tracepackets; /* watch packets as they go by */ 4524315Ssklower int tracing; /* on/off */ 4624315Ssklower FILE *ftrace; /* output trace file */ 4724315Ssklower 4824315Ssklower #define TRACE_ACTION(action, route) { \ 4924315Ssklower if (tracing) \ 5024315Ssklower traceaction(ftrace, "action", route); \ 5124315Ssklower } 5224315Ssklower #define TRACE_INPUT(ifp, src, size) { \ 5324315Ssklower if (tracing) { \ 5424315Ssklower ifp = if_iflookup(src); \ 5524315Ssklower if (ifp) \ 5624315Ssklower trace(&ifp->int_input, src, &packet[sizeof(struct idp)], size, \ 5724315Ssklower ntohl(ifp->int_metric)); \ 5824315Ssklower } \ 5924875Ssklower if (tracepackets && ftrace) \ 6024875Ssklower dumppacket(ftrace, "from", src, &packet[sizeof(struct idp)], size); \ 6124315Ssklower } 6224315Ssklower #define TRACE_OUTPUT(ifp, dst, size) { \ 6324315Ssklower if (tracing) { \ 6424315Ssklower ifp = if_iflookup(dst); \ 6524315Ssklower if (ifp) \ 6624315Ssklower trace(&ifp->int_output, dst, &packet[sizeof(struct idp)], size, ifp->int_metric); \ 6724315Ssklower } \ 6824875Ssklower if (tracepackets && ftrace) \ 6924875Ssklower dumppacket(ftrace, "to", dst, &packet[sizeof(struct idp)], size); \ 7024315Ssklower } 71