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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 | /* * Copyright (c) 2006-2008 Apple Computer, Inc. All Rights Reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #pragma D depends_on library darwin.d #pragma D depends_on module mach_kernel #pragma D depends_on provider tcp /* * TCP flags */ inline int TH_FIN = 0x01; #pragma D binding "1.0" TH_FIN inline int TH_SYN = 0x02; #pragma D binding "1.0" TH_SYN inline int TH_RST = 0x04; #pragma D binding "1.0" TH_RST inline int TH_PUSH = 0x08; #pragma D binding "1.0" TH_PUSH inline int TH_ACK = 0x10; #pragma D binding "1.0" TH_ACK inline int TH_URG = 0x20; #pragma D binding "1.0" TH_URG inline int TH_ECE = 0x40; #pragma D binding "1.0" TH_ECE inline int TH_CWR = 0x80; #pragma D binding "1.0" TH_CWR /* * TCP states */ inline int TCPS_CLOSED = 0; #pragma D binding "1.0" TCPS_CLOSED inline int TCPS_LISTEN = 1; #pragma D binding "1.0" TCPS_LISTEN inline int TCPS_SYN_SENT = 2; #pragma D binding "1.0" TCPS_SYN_SENT inline int TCPS_SYN_RECEIVED = 3; #pragma D binding "1.0" TCPS_SYN_RECEIVED inline int TCPS_ESTABLISHED = 4; #pragma D binding "1.0" TCPS_ESTABLISHED inline int TCPS_CLOSE_WAIT = 5; #pragma D binding "1.0" TCPS_CLOSE_WAIT inline int TCPS_FIN_WAIT_1 = 6; #pragma D binding "1.0" TCPS_FIN_WAIT_1 inline int TCPS_CLOSING = 7; #pragma D binding "1.0" TCPS_CLOSING inline int TCPS_LAST_ACK = 8; #pragma D binding "1.0" TCPS_LAST_ACK inline int TCPS_FIN_WAIT_2 = 9; #pragma D binding "1.0" TCPS_FIN_WAIT_2 inline int TCPS_TIME_WAIT = 10; #pragma D binding "1.0" TCPS_TIME_WAIT /* * TCP congestion control events */ inline int TCP_CC_CWND_INIT = 0; #pragma D binding "1.0" TCP_CC_CWND_INIT inline int TCP_CC_INSEQ_ACK_RCVD = 1; #pragma D binding "1.0" TCP_CC_INSEQ_ACK_RCVD inline int TCP_CC_ACK_RCVD = 2; #pragma D binding "1.0" TCP_CC_ACK_RCVD inline int TCP_CC_ENTER_FASTRECOVERY = 3; #pragma D binding "1.0" TCP_CC_ENTER_FASTRECOVERY inline int TCP_CC_IN_FASTRECOVERY = 4; #pragma D binding "1.0" TCP_CC_IN_FASTRECOVERY inline int TCP_CC_EXIT_FASTRECOVERY = 5; #pragma D binding "1.0" TCP_CC_EXIT_FASTRECOVERY inline int TCP_CC_PARTIAL_ACK = 6; #pragma D binding "1.0" TCP_CC_PARTIAL_ACK inline int TCP_CC_IDLE_TIMEOUT = 7; #pragma D binding "1.0" TCP_CC_IDLE_TIMEOUT inline int TCP_CC_REXMT_TIMEOUT = 8; #pragma D binding "1.0" TCP_CC_REXMT_TIMEOUT inline int TCP_CC_ECN_RCVD = 9; #pragma D binding "1.0" TCP_CC_ECN_RCVD inline int TCP_CC_BAD_REXMT_RECOVERY = 10; #pragma D binding "1.0" TCP_CC_BAD_REXMT_RECOVERY inline int TCP_CC_OUTPUT_ERROR = 11; #pragma D binding "1.0" TCP_CC_OUTPUT_ERROR inline int TCP_CC_CHANGE_ALGO = 12; #pragma D binding "1.0" TCP_CC_CHANGE_ALGO inline int TCP_CC_FLOW_CONTROL = 13; #pragma D binding "1.0" TCP_CC_FLOW_CONTROL inline int TCP_CC_SUSPEND = 14; #pragma D binding "1.0" TCP_CC_SUSPEND inline int TCP_CC_LIMITED_TRANSMIT = 15; #pragma D binding "1.0" TCP_CC_LIMITED_TRANSMIT inline int TCP_CC_EARLY_RETRANSMIT = 16; #pragma D binding "1.0" TCP_CC_EARLY_RETRANSMIT /* * tcpinfo is the TCP header field */ typedef struct tcpinfo { uint16_t tcp_sport; /* source port */ uint16_t tcp_dport; /* destination port */ uint32_t tcp_seq; /* sequence number */ uint32_t tcp_ack; /* acknowledgement number */ uint8_t tcp_offset; /* data offset, in bytes */ uint8_t tcp_flags; /* flags */ uint16_t tcp_window; /* window size */ uint16_t tcp_checksum; /* checksum */ uint16_t tcp_urgent; /* urgent data pointer */ struct tcphdr *tcp_hdr; /* raw TCP header */ } tcpinfo_t; #pragma D binding "1.0" translator translator tcpinfo_t < struct tcphdr *T > { tcp_sport = ntohs(T->th_sport); tcp_dport = ntohs(T->th_dport); tcp_seq = ntohl(T->th_seq); tcp_ack = ntohl(T->th_ack); tcp_offset = T->th_off << 2; tcp_flags = T->th_flags; tcp_window = ntohs(T->th_win); tcp_checksum = ntohs(T->th_sum); tcp_urgent = ntohs(T->th_urp); tcp_hdr = T; }; /* * tcpsinfo contains stable TCP details from TCP control block */ typedef struct tcpsinfo { int tcps_local; /* is delivered locally, boolean */ int tcps_active; /* active open, boolean */ string tcps_state; /* TCP state, as a string */ u_int t_flags; /* flags */ uint32_t rcv_nxt; /* receive next */ uint32_t rcv_adv; /* advertised window */ uint32_t rcv_wnd; /* receive window */ uint32_t snd_wnd; /* send window */ uint32_t snd_cwnd; /* congestion controlled window */ uint32_t snd_ssthresh; /* slow-start threshold */ uint32_t snd_una; /* send unacknowledged */ uint32_t snd_nxt; /* send next */ uint32_t snd_max; /* send max */ uint32_t snd_recover; /* send recover for NewReno */ int t_rxtcur; /* retransmit timeout in ms */ u_int t_maxseg; /* maximum segment size */ u_int t_rttbest; /* best rtt we have seen */ int rcv_numsacks; /* number of sack blocks present */ int snd_numholes; /* number of holes seen by sender */ struct tcpcb* tcpcb; /* Pointer to tcp control block */ } tcpsinfo_t; #pragma D binding "1.0" translator translator tcpsinfo_t < struct tcpcb *T> { tcps_local = 0; /* Not used */ tcps_active = 0; tcps_state = T ? T->t_state == TCPS_CLOSED ? "state-closed" : T->t_state == TCPS_LISTEN ? "state-listen" : T->t_state == TCPS_SYN_SENT ? "state-syn-sent" : T->t_state == TCPS_SYN_RECEIVED ? "state-syn-received" : T->t_state == TCPS_ESTABLISHED ? "state-established" : T->t_state == TCPS_CLOSE_WAIT ? "state-close-wait" : T->t_state == TCPS_FIN_WAIT_1 ? "state-fin-wait1" : T->t_state == TCPS_CLOSING ? "state-closing" : T->t_state == TCPS_LAST_ACK ? "state-last-ack" : T->t_state == TCPS_FIN_WAIT_2 ? "state-fin-wait2" : T->t_state == TCPS_TIME_WAIT ? "state-time-wait" : "<unknown>" : "<null>"; t_flags = T->t_flags; rcv_nxt = T->rcv_nxt; rcv_adv = T->rcv_adv; rcv_wnd = T->rcv_wnd; snd_wnd = T->snd_wnd; snd_cwnd = T->snd_cwnd; snd_ssthresh = T->snd_ssthresh; snd_una = T->snd_una; snd_nxt = T->snd_nxt; snd_max = T->snd_max; snd_recover = T->snd_recover; t_rxtcur = T->t_rxtcur; t_maxseg = T->t_maxseg; t_rttbest = T->t_rttbest; rcv_numsacks = T->rcv_numsacks; snd_numholes = T->snd_numholes; tcpcb = T; }; /* * tcpnsinfo provides the new tcp state for state changes. */ typedef struct tcpnsinfo { string tcps_state; /* TCP state, as a string */ } tcpnsinfo_t; #pragma D binding "1.0" translator translator tcpnsinfo_t < int32_t I > { tcps_state = I ? I == TCPS_LISTEN ? "state-listen" : I == TCPS_SYN_SENT ? "state-syn-sent" : I == TCPS_SYN_RECEIVED ? "state-syn-received" : I == TCPS_ESTABLISHED ? "state-established" : I == TCPS_CLOSE_WAIT ? "state-close-wait" : I == TCPS_FIN_WAIT_1 ? "state-fin-wait1" : I == TCPS_CLOSING ? "state-closing" : I == TCPS_LAST_ACK ? "state-last-ack" : I == TCPS_FIN_WAIT_2 ? "state-fin-wait2" : I == TCPS_TIME_WAIT ? "state-time-wait" : "<unknown>" : "state-closed"; }; /* * tcpccevent provides the congestion control event for TCP cc probes */ typedef struct tcpccevent { string tcp_cc; /* TCP congestion control event, as a string */ } tcpccevent_t; #pragma D binding "1.0" translator translator tcpccevent_t < int32_t I > { tcp_cc = I ? I == TCP_CC_INSEQ_ACK_RCVD ? "inseq-ack-rcvd" : I == TCP_CC_ACK_RCVD ? "ack-rcvd" : I == TCP_CC_ENTER_FASTRECOVERY ? "enter-fastrecovery" : I == TCP_CC_EXIT_FASTRECOVERY ? "exit-fastrecovery" : I == TCP_CC_PARTIAL_ACK ? "partial-ack" : I == TCP_CC_IDLE_TIMEOUT ? "idle-timeout" : I == TCP_CC_REXMT_TIMEOUT ? "rexmt-timeout" : I == TCP_CC_ECN_RCVD ? "ecn-rcvd" : I == TCP_CC_BAD_REXMT_RECOVERY ? "bad-rexmt" : I == TCP_CC_OUTPUT_ERROR ? "output-error" : I == TCP_CC_CHANGE_ALGO ? "change-algo" : I == TCP_CC_FLOW_CONTROL ? "flow-control" : I == TCP_CC_SUSPEND ? "suspend" : I == TCP_CC_LIMITED_TRANSMIT ? "limited-transmit" : I == TCP_CC_EARLY_RETRANSMIT ? "early-rexmt" : "<unknown>" : "cwnd-init"; }; |