199 lines
4.3 KiB
C
199 lines
4.3 KiB
C
/*
|
|
* Copyright (c) 1982, 1986 Regents of the University of California.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms are permitted
|
|
* provided that this notice is preserved and that due credit is given
|
|
* to the University of California at Berkeley. The name of the University
|
|
* may not be used to endorse or promote products derived from this
|
|
* software without specific prior written permission. This software
|
|
* is provided ``as is'' without express or implied warranty.
|
|
*
|
|
* @(#)tcp_debug.c 7.2 (Berkeley) 12/7/87
|
|
*/
|
|
|
|
#ifdef sgi
|
|
#include "tcp-param.h"
|
|
#include "sys/param.h"
|
|
#include "sys/systm.h"
|
|
#include "sys/mbuf.h"
|
|
#include "sys/socket.h"
|
|
#include "sys/socketvar.h"
|
|
#define PRUREQUESTS
|
|
#include "sys/protosw.h"
|
|
#include "sys/errno.h"
|
|
#include "sys/debug.h"
|
|
|
|
|
|
#else /* !sgi */
|
|
#include "param.h"
|
|
#include "systm.h"
|
|
#include "mbuf.h"
|
|
#include "socket.h"
|
|
#include "socketvar.h"
|
|
#define PRUREQUESTS
|
|
#include "protosw.h"
|
|
#include "errno.h"
|
|
#endif /* sgi */
|
|
|
|
#include "net/route.h"
|
|
#include "net/if.h"
|
|
#include "in.h"
|
|
#include "in_systm.h"
|
|
#include "ip.h"
|
|
#include "ip_var.h"
|
|
#include "in_pcb.h"
|
|
#include "tcp.h"
|
|
#define TCPSTATES
|
|
#include "tcp_fsm.h"
|
|
#include "tcp_seq.h"
|
|
#define TCPTIMERS
|
|
#include "tcp_timer.h"
|
|
#include "tcp_var.h"
|
|
#include "tcpip.h"
|
|
#define TANAMES
|
|
#include "tcp_debug.h"
|
|
|
|
#ifdef sgi
|
|
struct tcp_debug tcp_debug[TCP_NDEBUG];
|
|
int tcpconsdebug = 1;
|
|
#else
|
|
int tcpconsdebug = 0;
|
|
#endif /* sgi */
|
|
/*
|
|
* Tcp debug routines
|
|
*/
|
|
#ifdef sgi
|
|
void
|
|
#endif
|
|
tcp_trace(
|
|
short act,
|
|
short ostate,
|
|
struct tcpcb *tp,
|
|
#ifdef INET6
|
|
void *ti,
|
|
#else
|
|
struct tcpiphdr *ti,
|
|
#endif
|
|
int req)
|
|
{
|
|
tcp_seq seq, ack;
|
|
int len, flags;
|
|
struct tcp_debug *td = &tcp_debug[tcp_debx++];
|
|
#ifdef INET6
|
|
struct tcphdr *th;
|
|
#endif
|
|
|
|
if (tcp_debx == TCP_NDEBUG)
|
|
tcp_debx = 0;
|
|
td->td_time = iptime();
|
|
td->td_act = act;
|
|
td->td_ostate = ostate;
|
|
td->td_tcb = (caddr_t)tp;
|
|
if (tp)
|
|
td->td_cb = *tp;
|
|
else
|
|
bzero((caddr_t)&td->td_cb, sizeof (*tp));
|
|
#ifdef INET6
|
|
if (ti) {
|
|
if ((((struct tcpip6hdr *)ti)->ti6_i.ip6_head &
|
|
IPV6_FLOWINFO_VERSION) != IPV6_VERSION) {
|
|
th = &((struct tcpiphdr *)ti)->ti_t;
|
|
len = ((struct tcpiphdr *)ti)->ti_len;
|
|
td->u.td_ti = *((struct tcpiphdr *)ti);
|
|
} else {
|
|
th = &((struct tcpip6hdr *)ti)->ti6_t;
|
|
len = ((struct tcpip6hdr *)ti)->ti6_len;
|
|
td->u.td_ti6 = *((struct tcpip6hdr *)ti);
|
|
}
|
|
} else
|
|
bzero((caddr_t)&td->u.td_ti, sizeof (struct tcpiphdr));
|
|
#else
|
|
if (ti)
|
|
td->td_ti = *ti;
|
|
else
|
|
bzero((caddr_t)&td->td_ti, sizeof (*ti));
|
|
#endif
|
|
td->td_req = req;
|
|
if (tcpconsdebug == 0)
|
|
return;
|
|
if (tp)
|
|
printf("%x %s:", tp, tcpstates[ostate]);
|
|
else
|
|
printf("???????? ");
|
|
printf("%s ", tanames[act]);
|
|
switch (act) {
|
|
|
|
case TA_INPUT:
|
|
case TA_OUTPUT:
|
|
case TA_DROP:
|
|
if (ti == 0)
|
|
break;
|
|
#ifdef INET6
|
|
seq = th->th_seq;
|
|
ack = th->th_ack;
|
|
#else
|
|
seq = ti->ti_seq;
|
|
ack = ti->ti_ack;
|
|
len = ti->ti_len;
|
|
#endif
|
|
if (act == TA_OUTPUT) {
|
|
seq = ntohl(seq);
|
|
ack = ntohl(ack);
|
|
len = ntohs((u_short)len);
|
|
}
|
|
if (act == TA_OUTPUT)
|
|
len -= sizeof (struct tcphdr);
|
|
if (len)
|
|
printf("[%x..%x)", seq, seq+len);
|
|
else
|
|
printf("%x", seq);
|
|
#ifdef INET6
|
|
printf("@%x, urp=%x", ack, th->th_urp);
|
|
flags = th->th_flags;
|
|
#else
|
|
printf("@%x, urp=%x", ack, ti->ti_urp);
|
|
flags = ti->ti_flags;
|
|
#endif
|
|
if (flags) {
|
|
#ifndef lint
|
|
char *cp = "<";
|
|
#ifdef sgi
|
|
#include <sys/cdefs.h>
|
|
#ifdef INET6
|
|
#define pf(f) { if (th->th_flags&__CONCAT(TH_,f)) { printf("%s%s", cp, "f"); cp = ","; } }
|
|
#else
|
|
#define pf(f) { if (ti->ti_flags&__CONCAT(TH_,f)) { printf("%s%s", cp, "f"); cp = ","; } }
|
|
#endif
|
|
#else
|
|
#ifdef INET6
|
|
#define pf(f) { if (th->th_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
|
|
#else
|
|
#define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
|
|
#endif
|
|
#endif
|
|
pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG);
|
|
#endif
|
|
printf(">");
|
|
}
|
|
break;
|
|
|
|
case TA_USER:
|
|
printf("%s", prurequests[req&0xff]);
|
|
if ((req & 0xff) == PRU_SLOWTIMO)
|
|
printf("<%s>", tcptimers[req>>8]);
|
|
break;
|
|
}
|
|
if (tp)
|
|
printf(" -> %s", tcpstates[tp->t_state]);
|
|
/* print out internal state of tp !?! */
|
|
printf("\n");
|
|
if (tp == 0)
|
|
return;
|
|
printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
|
|
tp->rcv_nxt, tp->rcv_wnd, tp->rcv_up, tp->snd_una, tp->snd_nxt,
|
|
tp->snd_max);
|
|
printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n",
|
|
tp->snd_wl1, tp->snd_wl2, tp->snd_wnd);
|
|
}
|