1/*
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)tcp_debug.c 8.1 (Berkeley) 6/10/93
| 1/*
2 * Copyright (c) 1982, 1986, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)tcp_debug.c 8.1 (Berkeley) 6/10/93
|
63#endif
64#include <netinet/ip_var.h>
65#include <netinet/tcp.h>
66#include <netinet/tcp_fsm.h>
67#include <netinet/tcp_timer.h>
68#include <netinet/tcp_var.h>
69#include <netinet/tcpip.h>
70#include <netinet/tcp_debug.h>
71
72#ifdef TCPDEBUG
73static int tcpconsdebug = 0;
74#endif
75
76static struct tcp_debug tcp_debug[TCP_NDEBUG];
77static int tcp_debx;
78
79/*
80 * Tcp debug routines
81 */
82void
83tcp_trace(act, ostate, tp, ipgen, th, req)
84 short act, ostate;
85 struct tcpcb *tp;
86 void *ipgen;
87 struct tcphdr *th;
88 int req;
89{
90#ifdef INET6
91 int isipv6;
92#endif /* INET6 */
93 tcp_seq seq, ack;
94 int len, flags;
95 struct tcp_debug *td = &tcp_debug[tcp_debx++];
96
97#ifdef INET6
98 isipv6 = (ipgen != NULL && ((struct ip *)ipgen)->ip_v == 6) ? 1 : 0;
99#endif /* INET6 */
100 td->td_family =
101#ifdef INET6
102 (isipv6 != 0) ? AF_INET6 :
103#endif
104 AF_INET;
105 if (tcp_debx == TCP_NDEBUG)
106 tcp_debx = 0;
107 td->td_time = iptime();
108 td->td_act = act;
109 td->td_ostate = ostate;
110 td->td_tcb = (caddr_t)tp;
111 if (tp)
112 td->td_cb = *tp;
113 else
114 bzero((caddr_t)&td->td_cb, sizeof (*tp));
115 if (ipgen) {
116 switch (td->td_family) {
117 case AF_INET:
118 bcopy((caddr_t)ipgen, (caddr_t)&td->td_ti.ti_i,
119 sizeof(td->td_ti.ti_i));
120 bzero((caddr_t)td->td_ip6buf, sizeof(td->td_ip6buf));
121 break;
122#ifdef INET6
123 case AF_INET6:
124 bcopy((caddr_t)ipgen, (caddr_t)td->td_ip6buf,
125 sizeof(td->td_ip6buf));
126 bzero((caddr_t)&td->td_ti.ti_i,
127 sizeof(td->td_ti.ti_i));
128 break;
129#endif
130 default:
131 bzero((caddr_t)td->td_ip6buf, sizeof(td->td_ip6buf));
132 bzero((caddr_t)&td->td_ti.ti_i,
133 sizeof(td->td_ti.ti_i));
134 break;
135 }
136 } else {
137 bzero((caddr_t)&td->td_ti.ti_i, sizeof(td->td_ti.ti_i));
138 bzero((caddr_t)td->td_ip6buf, sizeof(td->td_ip6buf));
139 }
140 if (th) {
141 switch (td->td_family) {
142 case AF_INET:
143 td->td_ti.ti_t = *th;
144 bzero((caddr_t)&td->td_ti6.th, sizeof(td->td_ti6.th));
145 break;
146#ifdef INET6
147 case AF_INET6:
148 td->td_ti6.th = *th;
149 bzero((caddr_t)&td->td_ti.ti_t,
150 sizeof(td->td_ti.ti_t));
151 break;
152#endif
153 default:
154 bzero((caddr_t)&td->td_ti.ti_t,
155 sizeof(td->td_ti.ti_t));
156 bzero((caddr_t)&td->td_ti6.th, sizeof(td->td_ti6.th));
157 break;
158 }
159 } else {
160 bzero((caddr_t)&td->td_ti.ti_t, sizeof(td->td_ti.ti_t));
161 bzero((caddr_t)&td->td_ti6.th, sizeof(td->td_ti6.th));
162 }
163 td->td_req = req;
164#ifdef TCPDEBUG
165 if (tcpconsdebug == 0)
166 return;
167 if (tp)
168 printf("%p %s:", tp, tcpstates[ostate]);
169 else
170 printf("???????? ");
171 printf("%s ", tanames[act]);
172 switch (act) {
173
174 case TA_INPUT:
175 case TA_OUTPUT:
176 case TA_DROP:
177 if (ipgen == NULL || th == NULL)
178 break;
179 seq = th->th_seq;
180 ack = th->th_ack;
181 len =
182#ifdef INET6
183 isipv6 ? ((struct ip6_hdr *)ipgen)->ip6_plen :
184#endif
185 ((struct ip *)ipgen)->ip_len;
186 if (act == TA_OUTPUT) {
187 seq = ntohl(seq);
188 ack = ntohl(ack);
189 len = ntohs((u_short)len);
190 }
191 if (act == TA_OUTPUT)
192 len -= sizeof (struct tcphdr);
193 if (len)
194 printf("[%x..%x)", seq, seq+len);
195 else
196 printf("%x", seq);
197 printf("@%x, urp=%x", ack, th->th_urp);
198 flags = th->th_flags;
199 if (flags) {
200 char *cp = "<";
201#define pf(f) { \
202 if (th->th_flags & TH_##f) { \
203 printf("%s%s", cp, #f); \
204 cp = ","; \
205 } \
206}
207 pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG);
208 printf(">");
209 }
210 break;
211
212 case TA_USER:
213 printf("%s", prurequests[req&0xff]);
214 if ((req & 0xff) == PRU_SLOWTIMO)
215 printf("<%s>", tcptimers[req>>8]);
216 break;
217 }
218 if (tp)
219 printf(" -> %s", tcpstates[tp->t_state]);
220 /* print out internal state of tp !?! */
221 printf("\n");
222 if (tp == 0)
223 return;
224 printf(
225 "\trcv_(nxt,wnd,up) (%lx,%lx,%lx) snd_(una,nxt,max) (%lx,%lx,%lx)\n",
226 (u_long)tp->rcv_nxt, tp->rcv_wnd, (u_long)tp->rcv_up,
227 (u_long)tp->snd_una, (u_long)tp->snd_nxt, (u_long)tp->snd_max);
228 printf("\tsnd_(wl1,wl2,wnd) (%lx,%lx,%lx)\n",
229 (u_long)tp->snd_wl1, (u_long)tp->snd_wl2, tp->snd_wnd);
230#endif /* TCPDEBUG */
231}
| 63#endif
64#include <netinet/ip_var.h>
65#include <netinet/tcp.h>
66#include <netinet/tcp_fsm.h>
67#include <netinet/tcp_timer.h>
68#include <netinet/tcp_var.h>
69#include <netinet/tcpip.h>
70#include <netinet/tcp_debug.h>
71
72#ifdef TCPDEBUG
73static int tcpconsdebug = 0;
74#endif
75
76static struct tcp_debug tcp_debug[TCP_NDEBUG];
77static int tcp_debx;
78
79/*
80 * Tcp debug routines
81 */
82void
83tcp_trace(act, ostate, tp, ipgen, th, req)
84 short act, ostate;
85 struct tcpcb *tp;
86 void *ipgen;
87 struct tcphdr *th;
88 int req;
89{
90#ifdef INET6
91 int isipv6;
92#endif /* INET6 */
93 tcp_seq seq, ack;
94 int len, flags;
95 struct tcp_debug *td = &tcp_debug[tcp_debx++];
96
97#ifdef INET6
98 isipv6 = (ipgen != NULL && ((struct ip *)ipgen)->ip_v == 6) ? 1 : 0;
99#endif /* INET6 */
100 td->td_family =
101#ifdef INET6
102 (isipv6 != 0) ? AF_INET6 :
103#endif
104 AF_INET;
105 if (tcp_debx == TCP_NDEBUG)
106 tcp_debx = 0;
107 td->td_time = iptime();
108 td->td_act = act;
109 td->td_ostate = ostate;
110 td->td_tcb = (caddr_t)tp;
111 if (tp)
112 td->td_cb = *tp;
113 else
114 bzero((caddr_t)&td->td_cb, sizeof (*tp));
115 if (ipgen) {
116 switch (td->td_family) {
117 case AF_INET:
118 bcopy((caddr_t)ipgen, (caddr_t)&td->td_ti.ti_i,
119 sizeof(td->td_ti.ti_i));
120 bzero((caddr_t)td->td_ip6buf, sizeof(td->td_ip6buf));
121 break;
122#ifdef INET6
123 case AF_INET6:
124 bcopy((caddr_t)ipgen, (caddr_t)td->td_ip6buf,
125 sizeof(td->td_ip6buf));
126 bzero((caddr_t)&td->td_ti.ti_i,
127 sizeof(td->td_ti.ti_i));
128 break;
129#endif
130 default:
131 bzero((caddr_t)td->td_ip6buf, sizeof(td->td_ip6buf));
132 bzero((caddr_t)&td->td_ti.ti_i,
133 sizeof(td->td_ti.ti_i));
134 break;
135 }
136 } else {
137 bzero((caddr_t)&td->td_ti.ti_i, sizeof(td->td_ti.ti_i));
138 bzero((caddr_t)td->td_ip6buf, sizeof(td->td_ip6buf));
139 }
140 if (th) {
141 switch (td->td_family) {
142 case AF_INET:
143 td->td_ti.ti_t = *th;
144 bzero((caddr_t)&td->td_ti6.th, sizeof(td->td_ti6.th));
145 break;
146#ifdef INET6
147 case AF_INET6:
148 td->td_ti6.th = *th;
149 bzero((caddr_t)&td->td_ti.ti_t,
150 sizeof(td->td_ti.ti_t));
151 break;
152#endif
153 default:
154 bzero((caddr_t)&td->td_ti.ti_t,
155 sizeof(td->td_ti.ti_t));
156 bzero((caddr_t)&td->td_ti6.th, sizeof(td->td_ti6.th));
157 break;
158 }
159 } else {
160 bzero((caddr_t)&td->td_ti.ti_t, sizeof(td->td_ti.ti_t));
161 bzero((caddr_t)&td->td_ti6.th, sizeof(td->td_ti6.th));
162 }
163 td->td_req = req;
164#ifdef TCPDEBUG
165 if (tcpconsdebug == 0)
166 return;
167 if (tp)
168 printf("%p %s:", tp, tcpstates[ostate]);
169 else
170 printf("???????? ");
171 printf("%s ", tanames[act]);
172 switch (act) {
173
174 case TA_INPUT:
175 case TA_OUTPUT:
176 case TA_DROP:
177 if (ipgen == NULL || th == NULL)
178 break;
179 seq = th->th_seq;
180 ack = th->th_ack;
181 len =
182#ifdef INET6
183 isipv6 ? ((struct ip6_hdr *)ipgen)->ip6_plen :
184#endif
185 ((struct ip *)ipgen)->ip_len;
186 if (act == TA_OUTPUT) {
187 seq = ntohl(seq);
188 ack = ntohl(ack);
189 len = ntohs((u_short)len);
190 }
191 if (act == TA_OUTPUT)
192 len -= sizeof (struct tcphdr);
193 if (len)
194 printf("[%x..%x)", seq, seq+len);
195 else
196 printf("%x", seq);
197 printf("@%x, urp=%x", ack, th->th_urp);
198 flags = th->th_flags;
199 if (flags) {
200 char *cp = "<";
201#define pf(f) { \
202 if (th->th_flags & TH_##f) { \
203 printf("%s%s", cp, #f); \
204 cp = ","; \
205 } \
206}
207 pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG);
208 printf(">");
209 }
210 break;
211
212 case TA_USER:
213 printf("%s", prurequests[req&0xff]);
214 if ((req & 0xff) == PRU_SLOWTIMO)
215 printf("<%s>", tcptimers[req>>8]);
216 break;
217 }
218 if (tp)
219 printf(" -> %s", tcpstates[tp->t_state]);
220 /* print out internal state of tp !?! */
221 printf("\n");
222 if (tp == 0)
223 return;
224 printf(
225 "\trcv_(nxt,wnd,up) (%lx,%lx,%lx) snd_(una,nxt,max) (%lx,%lx,%lx)\n",
226 (u_long)tp->rcv_nxt, tp->rcv_wnd, (u_long)tp->rcv_up,
227 (u_long)tp->snd_una, (u_long)tp->snd_nxt, (u_long)tp->snd_max);
228 printf("\tsnd_(wl1,wl2,wnd) (%lx,%lx,%lx)\n",
229 (u_long)tp->snd_wl1, (u_long)tp->snd_wl2, tp->snd_wnd);
230#endif /* TCPDEBUG */
231}
|