[unix-history] / usr / src / sys / netinet / tcp_debug.c

/*
 * Copyright (c) 1982, 1986 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 *	@(#)tcp_debug.c	7.1 (Berkeley) %G%
 */

#include "param.h"
#include "systm.h"
#include "mbuf.h"
#include "socket.h"
#include "socketvar.h"
#define PRUREQUESTS
#include "protosw.h"
#include "errno.h"

#include "../net/route.h"
#include "../net/if.h"

#include "in.h"
#include "in_pcb.h"
#include "in_systm.h"
#include "ip.h"
#include "ip_var.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"

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:
	case TA_DROP:
		if (ti == 0)
			break;
		seq = ti->ti_seq;
		ack = ti->ti_ack;
		len = ti->ti_len;
		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);
		printf("@%x, urp=%x", ack, ti->ti_urp);
		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); 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);
}
Commit	Line	Data
8ae0e4b4	1	/*
0880b18e	2	* Copyright (c) 1982, 1986 Regents of the University of California.
8ae0e4b4 KM	3	* All rights reserved. The Berkeley software License Agreement
	4	* specifies the terms and conditions for redistribution.
	5	*
0880b18e	6	* @(#)tcp_debug.c 7.1 (Berkeley) %G%
8ae0e4b4	7	*/
24342857	8
20666ad3 JB	9	#include "param.h"
	10	#include "systm.h"
	11	#include "mbuf.h"
	12	#include "socket.h"
	13	#include "socketvar.h"
24342857	14	#define PRUREQUESTS
20666ad3 JB	15	#include "protosw.h"
20666ad3 JB	16	#include "errno.h"
f4d55810	17
c124e997	18	#include "../net/route.h"
f4d55810 SL	19	#include "../net/if.h"
f4d55810 SL	20
20666ad3 JB	21	#include "in.h"
	22	#include "in_pcb.h"
	23	#include "in_systm.h"
	24	#include "ip.h"
	25	#include "ip_var.h"
	26	#include "tcp.h"
24342857	27	#define TCPSTATES
20666ad3 JB	28	#include "tcp_fsm.h"
20666ad3 JB	29	#include "tcp_seq.h"
24342857	30	#define TCPTIMERS
20666ad3 JB	31	#include "tcp_timer.h"
	32	#include "tcp_var.h"
	33	#include "tcpip.h"
24342857	34	#define TANAMES
20666ad3	35	#include "tcp_debug.h"
24342857 BJ	36
	37	int tcpconsdebug = 0;
	38	/*
	39	* Tcp debug routines
	40	*/
	41	tcp_trace(act, ostate, tp, ti, req)
	42	short act, ostate;
	43	struct tcpcb *tp;
	44	struct tcpiphdr *ti;
	45	int req;
	46	{
	47	tcp_seq seq, ack;
	48	int len, flags;
24342857 BJ	49	struct tcp_debug *td = &tcp_debug[tcp_debx++];
	50
	51	if (tcp_debx == TCP_NDEBUG)
	52	tcp_debx = 0;
	53	td->td_time = iptime();
	54	td->td_act = act;
	55	td->td_ostate = ostate;
	56	td->td_tcb = (caddr_t)tp;
	57	if (tp)
	58	td->td_cb = *tp;
	59	else
	60	bzero((caddr_t)&td->td_cb, sizeof (*tp));
	61	if (ti)
	62	td->td_ti = *ti;
	63	else
	64	bzero((caddr_t)&td->td_ti, sizeof (*ti));
	65	td->td_req = req;
	66	if (tcpconsdebug == 0)
	67	return;
	68	if (tp)
	69	printf("%x %s:", tp, tcpstates[ostate]);
	70	else
	71	printf("???????? ");
	72	printf("%s ", tanames[act]);
	73	switch (act) {
	74
	75	case TA_INPUT:
	76	case TA_OUTPUT:
b78c1941 SL	77	case TA_DROP:
	78	if (ti == 0)
	79	break;
24342857 BJ	80	seq = ti->ti_seq;
	81	ack = ti->ti_ack;
	82	len = ti->ti_len;
24342857 BJ	83	if (act == TA_OUTPUT) {
	84	seq = ntohl(seq);
	85	ack = ntohl(ack);
668cc26d	86	len = ntohs((u_short)len);
24342857	87	}
24342857 BJ	88	if (act == TA_OUTPUT)
	89	len -= sizeof (struct tcphdr);
	90	if (len)
	91	printf("[%x..%x)", seq, seq+len);
	92	else
	93	printf("%x", seq);
b78c1941	94	printf("@%x, urp=%x", ack, ti->ti_urp);
24342857 BJ	95	flags = ti->ti_flags;
24342857 BJ	96	if (flags) {
668cc26d	97	#ifndef lint
24342857 BJ	98	char *cp = "<";
24342857 BJ	99	#define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
b78c1941	100	pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG);
668cc26d	101	#endif
24342857 BJ	102	printf(">");
	103	}
	104	break;
	105
	106	case TA_USER:
	107	printf("%s", prurequests[req&0xff]);
	108	if ((req & 0xff) == PRU_SLOWTIMO)
	109	printf("<%s>", tcptimers[req>>8]);
	110	break;
	111	}
	112	if (tp)
	113	printf(" -> %s", tcpstates[tp->t_state]);
	114	/* print out internal state of tp !?! */
	115	printf("\n");
	116	if (tp == 0)
	117	return;
b78c1941 SL	118	printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
	119	tp->rcv_nxt, tp->rcv_wnd, tp->rcv_up, tp->snd_una, tp->snd_nxt,
	120	tp->snd_max);
24342857 BJ	121	printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n",
	122	tp->snd_wl1, tp->snd_wl2, tp->snd_wnd);
	123	}