Commit | Line | Data |
---|---|---|
8ae0e4b4 | 1 | /* |
ad787160 C |
2 | * Copyright (c) 1982, 1986, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
8ae0e4b4 | 4 | * |
ad787160 C |
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. | |
2b6b6284 | 20 | * |
ad787160 C |
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 | |
8ae0e4b4 | 34 | */ |
24342857 | 35 | |
5adb2ee7 MK |
36 | #ifdef TCPDEBUG |
37 | /* load symbolic names */ | |
38 | #define PRUREQUESTS | |
39 | #define TCPSTATES | |
40 | #define TCPTIMERS | |
41 | #define TANAMES | |
42 | #endif | |
43 | ||
5548a02f KB |
44 | #include <sys/param.h> |
45 | #include <sys/systm.h> | |
46 | #include <sys/mbuf.h> | |
47 | #include <sys/socket.h> | |
48 | #include <sys/socketvar.h> | |
49 | #include <sys/protosw.h> | |
50 | #include <sys/errno.h> | |
f4d55810 | 51 | |
5548a02f KB |
52 | #include <net/route.h> |
53 | #include <net/if.h> | |
f4d55810 | 54 | |
5548a02f KB |
55 | #include <netinet/in.h> |
56 | #include <netinet/in_systm.h> | |
57 | #include <netinet/ip.h> | |
58 | #include <netinet/in_pcb.h> | |
59 | #include <netinet/ip_var.h> | |
60 | #include <netinet/tcp.h> | |
61 | #include <netinet/tcp_fsm.h> | |
62 | #include <netinet/tcp_seq.h> | |
63 | #include <netinet/tcp_timer.h> | |
64 | #include <netinet/tcp_var.h> | |
65 | #include <netinet/tcpip.h> | |
66 | #include <netinet/tcp_debug.h> | |
24342857 | 67 | |
5adb2ee7 | 68 | #ifdef TCPDEBUG |
24342857 | 69 | int tcpconsdebug = 0; |
5adb2ee7 | 70 | #endif |
24342857 BJ |
71 | /* |
72 | * Tcp debug routines | |
73 | */ | |
c46785cb | 74 | void |
24342857 BJ |
75 | tcp_trace(act, ostate, tp, ti, req) |
76 | short act, ostate; | |
77 | struct tcpcb *tp; | |
78 | struct tcpiphdr *ti; | |
79 | int req; | |
80 | { | |
81 | tcp_seq seq, ack; | |
82 | int len, flags; | |
24342857 BJ |
83 | struct tcp_debug *td = &tcp_debug[tcp_debx++]; |
84 | ||
85 | if (tcp_debx == TCP_NDEBUG) | |
86 | tcp_debx = 0; | |
87 | td->td_time = iptime(); | |
88 | td->td_act = act; | |
89 | td->td_ostate = ostate; | |
90 | td->td_tcb = (caddr_t)tp; | |
91 | if (tp) | |
92 | td->td_cb = *tp; | |
93 | else | |
94 | bzero((caddr_t)&td->td_cb, sizeof (*tp)); | |
95 | if (ti) | |
96 | td->td_ti = *ti; | |
97 | else | |
98 | bzero((caddr_t)&td->td_ti, sizeof (*ti)); | |
99 | td->td_req = req; | |
5adb2ee7 | 100 | #ifdef TCPDEBUG |
24342857 BJ |
101 | if (tcpconsdebug == 0) |
102 | return; | |
103 | if (tp) | |
104 | printf("%x %s:", tp, tcpstates[ostate]); | |
105 | else | |
106 | printf("???????? "); | |
107 | printf("%s ", tanames[act]); | |
108 | switch (act) { | |
109 | ||
110 | case TA_INPUT: | |
111 | case TA_OUTPUT: | |
b78c1941 SL |
112 | case TA_DROP: |
113 | if (ti == 0) | |
114 | break; | |
24342857 BJ |
115 | seq = ti->ti_seq; |
116 | ack = ti->ti_ack; | |
117 | len = ti->ti_len; | |
24342857 BJ |
118 | if (act == TA_OUTPUT) { |
119 | seq = ntohl(seq); | |
120 | ack = ntohl(ack); | |
668cc26d | 121 | len = ntohs((u_short)len); |
24342857 | 122 | } |
24342857 BJ |
123 | if (act == TA_OUTPUT) |
124 | len -= sizeof (struct tcphdr); | |
125 | if (len) | |
126 | printf("[%x..%x)", seq, seq+len); | |
127 | else | |
128 | printf("%x", seq); | |
b78c1941 | 129 | printf("@%x, urp=%x", ack, ti->ti_urp); |
24342857 BJ |
130 | flags = ti->ti_flags; |
131 | if (flags) { | |
668cc26d | 132 | #ifndef lint |
24342857 BJ |
133 | char *cp = "<"; |
134 | #define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } } | |
b78c1941 | 135 | pf(SYN); pf(ACK); pf(FIN); pf(RST); pf(PUSH); pf(URG); |
668cc26d | 136 | #endif |
24342857 BJ |
137 | printf(">"); |
138 | } | |
139 | break; | |
140 | ||
141 | case TA_USER: | |
142 | printf("%s", prurequests[req&0xff]); | |
143 | if ((req & 0xff) == PRU_SLOWTIMO) | |
144 | printf("<%s>", tcptimers[req>>8]); | |
145 | break; | |
146 | } | |
147 | if (tp) | |
148 | printf(" -> %s", tcpstates[tp->t_state]); | |
149 | /* print out internal state of tp !?! */ | |
150 | printf("\n"); | |
151 | if (tp == 0) | |
152 | return; | |
b78c1941 SL |
153 | printf("\trcv_(nxt,wnd,up) (%x,%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n", |
154 | tp->rcv_nxt, tp->rcv_wnd, tp->rcv_up, tp->snd_una, tp->snd_nxt, | |
155 | tp->snd_max); | |
24342857 BJ |
156 | printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n", |
157 | tp->snd_wl1, tp->snd_wl2, tp->snd_wnd); | |
5adb2ee7 | 158 | #endif /* TCPDEBUG */ |
24342857 | 159 | } |