projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 2c48b3f8 | 1 | /* tcp_debug.c 4.8 82/10/30 */ |
| 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" | |
| fcfe450e | 10 | #include "../netinet/in.h" |
| c124e997 | 11 | #include "../net/route.h" |
| fcfe450e BJ |
12 | #include "../netinet/in_pcb.h" |
| 13 | #include "../netinet/in_systm.h" | |
| 24342857 | 14 | #include "../net/if.h" |
| fcfe450e BJ |
15 | #include "../netinet/ip.h" |
| 16 | #include "../netinet/ip_var.h" | |
| 17 | #include "../netinet/tcp.h" | |
| 24342857 | 18 | #define TCPSTATES |
| fcfe450e BJ |
19 | #include "../netinet/tcp_fsm.h" |
| 20 | #include "../netinet/tcp_seq.h" | |
| 24342857 | 21 | #define TCPTIMERS |
| fcfe450e BJ |
22 | #include "../netinet/tcp_timer.h" |
| 23 | #include "../netinet/tcp_var.h" | |
| 24 | #include "../netinet/tcpip.h" | |
| 24342857 | 25 | #define TANAMES |
| fcfe450e | 26 | #include "../netinet/tcp_debug.h" |
| c47a5909 | 27 | #include <errno.h> |
| 24342857 BJ |
28 | |
| 29 | int tcpconsdebug = 0; | |
| 30 | /* | |
| 31 | * Tcp debug routines | |
| 32 | */ | |
| 33 | tcp_trace(act, ostate, tp, ti, req) | |
| 34 | short act, ostate; | |
| 35 | struct tcpcb *tp; | |
| 36 | struct tcpiphdr *ti; | |
| 37 | int req; | |
| 38 | { | |
| 39 | tcp_seq seq, ack; | |
| 40 | int len, flags; | |
| 24342857 BJ |
41 | struct tcp_debug *td = &tcp_debug[tcp_debx++]; |
| 42 | ||
| 43 | if (tcp_debx == TCP_NDEBUG) | |
| 44 | tcp_debx = 0; | |
| 45 | td->td_time = iptime(); | |
| 46 | td->td_act = act; | |
| 47 | td->td_ostate = ostate; | |
| 48 | td->td_tcb = (caddr_t)tp; | |
| 49 | if (tp) | |
| 50 | td->td_cb = *tp; | |
| 51 | else | |
| 52 | bzero((caddr_t)&td->td_cb, sizeof (*tp)); | |
| 53 | if (ti) | |
| 54 | td->td_ti = *ti; | |
| 55 | else | |
| 56 | bzero((caddr_t)&td->td_ti, sizeof (*ti)); | |
| 57 | td->td_req = req; | |
| 58 | if (tcpconsdebug == 0) | |
| 59 | return; | |
| 60 | if (tp) | |
| 61 | printf("%x %s:", tp, tcpstates[ostate]); | |
| 62 | else | |
| 63 | printf("???????? "); | |
| 64 | printf("%s ", tanames[act]); | |
| 65 | switch (act) { | |
| 66 | ||
| 67 | case TA_INPUT: | |
| 68 | case TA_OUTPUT: | |
| 69 | seq = ti->ti_seq; | |
| 70 | ack = ti->ti_ack; | |
| 71 | len = ti->ti_len; | |
| 24342857 BJ |
72 | if (act == TA_OUTPUT) { |
| 73 | seq = ntohl(seq); | |
| 74 | ack = ntohl(ack); | |
| 668cc26d | 75 | len = ntohs((u_short)len); |
| 24342857 | 76 | } |
| 24342857 BJ |
77 | if (act == TA_OUTPUT) |
| 78 | len -= sizeof (struct tcphdr); | |
| 79 | if (len) | |
| 80 | printf("[%x..%x)", seq, seq+len); | |
| 81 | else | |
| 82 | printf("%x", seq); | |
| 83 | printf("@%x", ack); | |
| 84 | flags = ti->ti_flags; | |
| 85 | if (flags) { | |
| 668cc26d | 86 | #ifndef lint |
| 24342857 BJ |
87 | char *cp = "<"; |
| 88 | #define pf(f) { if (ti->ti_flags&TH_/**/f) { printf("%s%s", cp, "f"); cp = ","; } } | |
| 89 | pf(SYN); pf(ACK); pf(FIN); pf(RST); | |
| 668cc26d | 90 | #endif |
| 24342857 BJ |
91 | printf(">"); |
| 92 | } | |
| 93 | break; | |
| 94 | ||
| 95 | case TA_USER: | |
| 96 | printf("%s", prurequests[req&0xff]); | |
| 97 | if ((req & 0xff) == PRU_SLOWTIMO) | |
| 98 | printf("<%s>", tcptimers[req>>8]); | |
| 99 | break; | |
| 100 | } | |
| 101 | if (tp) | |
| 102 | printf(" -> %s", tcpstates[tp->t_state]); | |
| 103 | /* print out internal state of tp !?! */ | |
| 104 | printf("\n"); | |
| 105 | if (tp == 0) | |
| 106 | return; | |
| 107 | printf("\trcv_(nxt,wnd) (%x,%x) snd_(una,nxt,max) (%x,%x,%x)\n", | |
| 108 | tp->rcv_nxt, tp->rcv_wnd, tp->snd_una, tp->snd_nxt, tp->snd_max); | |
| 109 | printf("\tsnd_(wl1,wl2,wnd) (%x,%x,%x)\n", | |
| 110 | tp->snd_wl1, tp->snd_wl2, tp->snd_wnd); | |
| 111 | } |