localize header files
[unix-history] / usr / src / sys / netinet / tcp_debug.c
/* tcp_debug.c 4.5 82/10/09 */
#include "../h/param.h"
#include "../h/systm.h"
#include "../h/mbuf.h"
#include "../h/socket.h"
#include "../h/socketvar.h"
#define PRUREQUESTS
#include "../h/protosw.h"
#include "../netinet/in.h"
#include "../net/route.h"
#include "../netinet/in_pcb.h"
#include "../netinet/in_systm.h"
#include "../net/if.h"
#include "../netinet/ip.h"
#include "../netinet/ip_var.h"
#include "../netinet/tcp.h"
#define TCPSTATES
#include "../netinet/tcp_fsm.h"
#include "../netinet/tcp_seq.h"
#define TCPTIMERS
#include "../netinet/tcp_timer.h"
#include "../netinet/tcp_var.h"
#include "../netinet/tcpip.h"
#define TANAMES
#include "../netinet/tcp_debug.h"
#include <errno.h>
int tcpconsdebug = 0;
/*
* Tcp debug routines
*/
tcp_trace(act, ostate, tp, ti, req)
short act, ostate;
struct tcpcb *tp;
struct tcpiphdr *ti;
int req;
{
tcp_seq seq, ack;
int len, flags;
struct tcp_debug *td = &tcp_debug[tcp_debx++];
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));
if (ti)
td->td_ti = *ti;
else
bzero((caddr_t)&td->td_ti, sizeof (*ti));
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:
seq = ti->ti_seq;
ack = ti->ti_ack;
len = ti->ti_len;
#if vax
if (act == TA_OUTPUT) {
seq = ntohl(seq);
ack = ntohl(ack);
len = ntohs((u_short)len);
}
#endif
if (act == TA_OUTPUT)
len -= sizeof (struct tcphdr);
if (len)
printf("[%x..%x)", seq, seq+len);
else
printf("%x", seq);
printf("@%x", ack);
flags = ti->ti_flags;
if (flags) {
#ifndef lint
char *cp = "<";
#define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
pf(SYN); pf(ACK); pf(FIN); pf(RST);
#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) (%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
tp->rcv_nxt, tp->rcv_wnd, 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);
}