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

/*	tcp_debug.c	4.10	83/05/14	*/

#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 "../h/errno.h"

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

#include "../netinet/in.h"
#include "../netinet/in_pcb.h"
#include "../netinet/in_systm.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"

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
b78c1941	1	/* tcp_debug.c 4.10 83/05/14 */
24342857 BJ	2
	3	#include "../h/param.h"
	4	#include "../h/systm.h"
	5	#include "../h/mbuf.h"
	6	#include "../h/socket.h"
	7	#include "../h/socketvar.h"
	8	#define PRUREQUESTS
	9	#include "../h/protosw.h"
f4d55810 SL	10	#include "../h/errno.h"
f4d55810 SL	11
c124e997	12	#include "../net/route.h"
f4d55810 SL	13	#include "../net/if.h"
	14
	15	#include "../netinet/in.h"
fcfe450e BJ	16	#include "../netinet/in_pcb.h"
fcfe450e BJ	17	#include "../netinet/in_systm.h"
fcfe450e BJ	18	#include "../netinet/ip.h"
	19	#include "../netinet/ip_var.h"
	20	#include "../netinet/tcp.h"
24342857	21	#define TCPSTATES
fcfe450e BJ	22	#include "../netinet/tcp_fsm.h"
fcfe450e BJ	23	#include "../netinet/tcp_seq.h"
24342857	24	#define TCPTIMERS
fcfe450e BJ	25	#include "../netinet/tcp_timer.h"
	26	#include "../netinet/tcp_var.h"
	27	#include "../netinet/tcpip.h"
24342857	28	#define TANAMES
fcfe450e	29	#include "../netinet/tcp_debug.h"
24342857 BJ	30
	31	int tcpconsdebug = 0;
	32	/*
	33	* Tcp debug routines
	34	*/
	35	tcp_trace(act, ostate, tp, ti, req)
	36	short act, ostate;
	37	struct tcpcb *tp;
	38	struct tcpiphdr *ti;
	39	int req;
	40	{
	41	tcp_seq seq, ack;
	42	int len, flags;
24342857 BJ	43	struct tcp_debug *td = &tcp_debug[tcp_debx++];
	44
	45	if (tcp_debx == TCP_NDEBUG)
	46	tcp_debx = 0;
	47	td->td_time = iptime();
	48	td->td_act = act;
	49	td->td_ostate = ostate;
	50	td->td_tcb = (caddr_t)tp;
	51	if (tp)
	52	td->td_cb = *tp;
	53	else
	54	bzero((caddr_t)&td->td_cb, sizeof (*tp));
	55	if (ti)
	56	td->td_ti = *ti;
	57	else
	58	bzero((caddr_t)&td->td_ti, sizeof (*ti));
	59	td->td_req = req;
	60	if (tcpconsdebug == 0)
	61	return;
	62	if (tp)
	63	printf("%x %s:", tp, tcpstates[ostate]);
	64	else
	65	printf("???????? ");
	66	printf("%s ", tanames[act]);
	67	switch (act) {
	68
	69	case TA_INPUT:
	70	case TA_OUTPUT:
b78c1941 SL	71	case TA_DROP:
	72	if (ti == 0)
	73	break;
24342857 BJ	74	seq = ti->ti_seq;
	75	ack = ti->ti_ack;
	76	len = ti->ti_len;
24342857 BJ	77	if (act == TA_OUTPUT) {
	78	seq = ntohl(seq);
	79	ack = ntohl(ack);
668cc26d	80	len = ntohs((u_short)len);
24342857	81	}
24342857 BJ	82	if (act == TA_OUTPUT)
	83	len -= sizeof (struct tcphdr);
	84	if (len)
	85	printf("[%x..%x)", seq, seq+len);
	86	else
	87	printf("%x", seq);
b78c1941	88	printf("@%x, urp=%x", ack, ti->ti_urp);
24342857 BJ	89	flags = ti->ti_flags;
24342857 BJ	90	if (flags) {
668cc26d	91	#ifndef lint
24342857 BJ	92	char *cp = "<";
24342857 BJ	93	#define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } }
b78c1941	94	pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG);
668cc26d	95	#endif
24342857 BJ	96	printf(">");
	97	}
	98	break;
	99
	100	case TA_USER:
	101	printf("%s", prurequests[req&0xff]);
	102	if ((req & 0xff) == PRU_SLOWTIMO)
	103	printf("<%s>", tcptimers[req>>8]);
	104	break;
	105	}
	106	if (tp)
	107	printf(" -> %s", tcpstates[tp->t_state]);
	108	/* print out internal state of tp !?! */
	109	printf("\n");
	110	if (tp == 0)
	111	return;
b78c1941 SL	112	printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n",
	113	tp->rcv_nxt, tp->rcv_wnd, tp->rcv_up, tp->snd_una, tp->snd_nxt,
	114	tp->snd_max);
24342857 BJ	115	printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n",
	116	tp->snd_wl1, tp->snd_wl2, tp->snd_wnd);
	117	}