JP Abgrall | 53f17a9 | 2014-02-12 14:02:41 -0800 | [diff] [blame] | 1 | /* @(#) $Header: /tcpdump/master/tcpdump/sctpConstants.h,v 1.4 2003-06-03 23:49:23 guy Exp $ (LBL) */ |
The Android Open Source Project | 2949f58 | 2009-03-03 19:30:46 -0800 | [diff] [blame] | 2 | |
| 3 | /* SCTP reference Implementation Copyright (C) 1999 Cisco And Motorola |
| 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 | * |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * |
| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * 3. Neither the name of Cisco nor of Motorola may be used |
| 17 | * to endorse or promote products derived from this software without |
| 18 | * specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | * |
| 32 | * This file is part of the SCTP reference Implementation |
| 33 | * |
| 34 | * |
| 35 | * Please send any bug reports or fixes you make to one of the following email |
| 36 | * addresses: |
| 37 | * |
| 38 | * rstewar1@email.mot.com |
| 39 | * kmorneau@cisco.com |
| 40 | * qxie1@email.mot.com |
| 41 | * |
| 42 | * Any bugs reported given to us we will try to fix... any fixes shared will |
| 43 | * be incorperated into the next SCTP release. |
| 44 | */ |
| 45 | |
| 46 | |
| 47 | #ifndef __sctpConstants_h__ |
| 48 | #define __sctpConstants_h__ |
| 49 | |
| 50 | |
| 51 | /* If you wish to use MD5 instead of SLA uncomment the line |
| 52 | * below. Why you would like to do this: |
| 53 | * a) There may be IPR on SHA-1, or so the FIP-180-1 page says, |
| 54 | * b) MD5 is 3 times faster (has coded here). |
| 55 | * |
| 56 | * The disadvantage is, it is thought that MD5 has been |
| 57 | * cracked... see RFC2104. |
| 58 | */ |
| 59 | /*#define USE_MD5 1*/ |
| 60 | |
| 61 | /* the SCTP protocol signature |
| 62 | * this includes the version number |
| 63 | * encoded in the last 4 bits of the |
| 64 | * signature. |
| 65 | */ |
| 66 | #define PROTO_SIGNATURE_A 0x30000000 |
| 67 | |
| 68 | #define SCTP_VERSION_NUMBER 0x3 |
| 69 | |
| 70 | #define MAX_TSN 0xffffffff |
| 71 | #define MAX_SEQ 0xffff |
| 72 | |
| 73 | /* option: |
| 74 | * If you comment out the following you will |
| 75 | * receive the old behavior of obeying cwnd for |
| 76 | * the fast retransmit algorithm. With this defined |
| 77 | * a FR happens right away with-out waiting for the |
| 78 | * flightsize to drop below the cwnd value (which |
| 79 | * is reduced by the FR to 1/2 the inflight packets). |
| 80 | */ |
| 81 | #define SCTP_IGNORE_CWND_ON_FR 1 |
| 82 | /* default max I can burst out after a fast retransmit */ |
| 83 | #define SCTP_DEF_MAX_BURST 4 |
| 84 | |
| 85 | /* Packet transmit states in the sent |
| 86 | * field in the SCTP_transmitOnQueue struct |
| 87 | */ |
| 88 | #define SCTP_DATAGRAM_UNSENT 0 |
| 89 | #define SCTP_DATAGRAM_SENT 1 |
| 90 | #define SCTP_DATAGRAM_RESEND1 2 /* not used */ |
| 91 | #define SCTP_DATAGRAM_RESEND2 3 /* not used */ |
| 92 | #define SCTP_DATAGRAM_RESEND3 4 /* not used */ |
| 93 | #define SCTP_DATAGRAM_RESEND 5 |
| 94 | #define SCTP_DATAGRAM_ACKED 10010 |
| 95 | #define SCTP_DATAGRAM_INBOUND 10011 |
| 96 | #define SCTP_READY_TO_TRANSMIT 10012 |
| 97 | #define SCTP_DATAGRAM_MARKED 20010 |
| 98 | |
| 99 | #define MAX_FSID 64 /* debug 5 ints used for cc dynamic tracking */ |
| 100 | |
| 101 | /* The valid defines for all message |
| 102 | * types know to SCTP. 0 is reserved |
| 103 | */ |
| 104 | #define SCTP_MSGTYPE_MASK 0xff |
| 105 | |
| 106 | #define SCTP_DATA 0x00 |
| 107 | #define SCTP_INITIATION 0x01 |
| 108 | #define SCTP_INITIATION_ACK 0x02 |
| 109 | #define SCTP_SELECTIVE_ACK 0x03 |
| 110 | #define SCTP_HEARTBEAT_REQUEST 0x04 |
| 111 | #define SCTP_HEARTBEAT_ACK 0x05 |
| 112 | #define SCTP_ABORT_ASSOCIATION 0x06 |
| 113 | #define SCTP_SHUTDOWN 0x07 |
| 114 | #define SCTP_SHUTDOWN_ACK 0x08 |
| 115 | #define SCTP_OPERATION_ERR 0x09 |
| 116 | #define SCTP_COOKIE_ECHO 0x0a |
| 117 | #define SCTP_COOKIE_ACK 0x0b |
| 118 | #define SCTP_ECN_ECHO 0x0c |
| 119 | #define SCTP_ECN_CWR 0x0d |
| 120 | #define SCTP_SHUTDOWN_COMPLETE 0x0e |
| 121 | #define SCTP_FORWARD_CUM_TSN 0xc0 |
| 122 | #define SCTP_RELIABLE_CNTL 0xc1 |
| 123 | #define SCTP_RELIABLE_CNTL_ACK 0xc2 |
| 124 | |
| 125 | /* ABORT and SHUTDOWN COMPLETE FLAG */ |
| 126 | #define SCTP_HAD_NO_TCB 0x01 |
| 127 | |
| 128 | /* Data Chuck Specific Flags */ |
| 129 | #define SCTP_DATA_FRAG_MASK 0x03 |
| 130 | #define SCTP_DATA_MIDDLE_FRAG 0x00 |
| 131 | #define SCTP_DATA_LAST_FRAG 0x01 |
| 132 | #define SCTP_DATA_FIRST_FRAG 0x02 |
| 133 | #define SCTP_DATA_NOT_FRAG 0x03 |
| 134 | #define SCTP_DATA_UNORDERED 0x04 |
| 135 | |
| 136 | #define SCTP_CRC_ENABLE_BIT 0x01 /* lower bit of reserved */ |
| 137 | |
| 138 | #define isSCTPControl(a) (a->chunkID != SCTP_DATA) |
| 139 | #define isSCTPData(a) (a->chunkID == SCTP_DATA) |
| 140 | |
| 141 | /* sctp parameter types for init/init-ack */ |
| 142 | |
| 143 | #define SCTP_IPV4_PARAM_TYPE 0x0005 |
| 144 | #define SCTP_IPV6_PARAM_TYPE 0x0006 |
| 145 | #define SCTP_RESPONDER_COOKIE 0x0007 |
| 146 | #define SCTP_UNRECOG_PARAM 0x0008 |
| 147 | #define SCTP_COOKIE_PRESERVE 0x0009 |
| 148 | #define SCTP_HOSTNAME_VIA_DNS 0x000b |
| 149 | #define SCTP_RESTRICT_ADDR_TO 0x000c |
| 150 | |
| 151 | #define SCTP_ECN_I_CAN_DO_ECN 0x8000 |
| 152 | #define SCTP_OPERATION_SUCCEED 0x4001 |
| 153 | #define SCTP_ERROR_NOT_EXECUTED 0x4002 |
| 154 | |
| 155 | #define SCTP_UNRELIABLE_STRM 0xc000 |
| 156 | #define SCTP_ADD_IP_ADDRESS 0xc001 |
| 157 | #define SCTP_DEL_IP_ADDRESS 0xc002 |
| 158 | #define SCTP_STRM_FLOW_LIMIT 0xc003 |
| 159 | #define SCTP_PARTIAL_CSUM 0xc004 |
| 160 | #define SCTP_ERROR_CAUSE_TLV 0xc005 |
| 161 | #define SCTP_MIT_STACK_NAME 0xc006 |
| 162 | #define SCTP_SETADDRESS_PRIMARY 0xc007 |
| 163 | |
| 164 | /* bits for TOS field */ |
| 165 | #define SCTP_ECT_BIT 0x02 |
| 166 | #define SCTP_CE_BIT 0x01 |
| 167 | |
| 168 | /* error codes */ |
| 169 | #define SCTP_OP_ERROR_NO_ERROR 0x0000 |
| 170 | #define SCTP_OP_ERROR_INV_STRM 0x0001 |
| 171 | #define SCTP_OP_ERROR_MISS_PARAM 0x0002 |
| 172 | #define SCTP_OP_ERROR_STALE_COOKIE 0x0003 |
| 173 | #define SCTP_OP_ERROR_NO_RESOURCE 0x0004 |
| 174 | #define SCTP_OP_ERROR_DNS_FAILED 0x0005 |
| 175 | #define SCTP_OP_ERROR_UNK_CHUNK 0x0006 |
| 176 | #define SCTP_OP_ERROR_INV_PARAM 0x0007 |
| 177 | #define SCTP_OP_ERROR_UNK_PARAM 0x0008 |
| 178 | #define SCTP_OP_ERROR_NO_USERD 0x0009 |
| 179 | #define SCTP_OP_ERROR_COOKIE_SHUT 0x000a |
| 180 | #define SCTP_OP_ERROR_DELETE_LAST 0x000b |
| 181 | #define SCTP_OP_ERROR_RESOURCE_SHORT 0x000c |
| 182 | |
| 183 | #define SCTP_MAX_ERROR_CAUSE 12 |
| 184 | |
| 185 | /* empty error causes i.e. nothing but the cause |
| 186 | * are SCTP_OP_ERROR_NO_RESOURCE, SCTP_OP_ERROR_INV_PARAM, |
| 187 | * SCTP_OP_ERROR_COOKIE_SHUT. |
| 188 | */ |
| 189 | |
| 190 | /* parameter for Heart Beat */ |
| 191 | #define HEART_BEAT_PARAM 0x0001 |
| 192 | |
| 193 | |
| 194 | |
| 195 | /* send options for SCTP |
| 196 | */ |
| 197 | #define SCTP_ORDERED_DELIVERY 0x01 |
| 198 | #define SCTP_NON_ORDERED_DELIVERY 0x02 |
| 199 | #define SCTP_DO_CRC16 0x08 |
| 200 | #define SCTP_MY_ADDRESS_ONLY 0x10 |
| 201 | |
| 202 | /* below turns off above */ |
| 203 | #define SCTP_FLEXIBLE_ADDRESS 0x20 |
| 204 | #define SCTP_NO_HEARTBEAT 0x40 |
| 205 | |
| 206 | /* mask to get sticky */ |
| 207 | #define SCTP_STICKY_OPTIONS_MASK 0x0c |
| 208 | |
| 209 | /* MTU discovery flags */ |
| 210 | #define SCTP_DONT_FRAGMENT 0x0100 |
| 211 | #define SCTP_FRAGMENT_OK 0x0200 |
| 212 | |
| 213 | |
| 214 | /* SCTP state defines for internal state machine */ |
| 215 | #define SCTP_STATE_EMPTY 0x0000 |
| 216 | #define SCTP_STATE_INUSE 0x0001 |
| 217 | #define SCTP_STATE_COOKIE_WAIT 0x0002 |
| 218 | #define SCTP_STATE_COOKIE_SENT 0x0004 |
| 219 | #define SCTP_STATE_OPEN 0x0008 |
| 220 | #define SCTP_STATE_SHUTDOWN 0x0010 |
| 221 | #define SCTP_STATE_SHUTDOWN_RECV 0x0020 |
| 222 | #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 |
| 223 | #define SCTP_STATE_SHUTDOWN_PEND 0x0080 |
| 224 | #define SCTP_STATE_MASK 0x007f |
| 225 | /* SCTP reachability state for each address */ |
| 226 | #define SCTP_ADDR_NOT_REACHABLE 1 |
| 227 | #define SCTP_ADDR_REACHABLE 2 |
| 228 | #define SCTP_ADDR_NOHB 4 |
| 229 | #define SCTP_ADDR_BEING_DELETED 8 |
| 230 | |
| 231 | /* How long a cookie lives */ |
| 232 | #define SCTP_DEFAULT_COOKIE_LIFE 60 /* seconds */ |
| 233 | |
| 234 | /* resource limit of streams */ |
| 235 | #define MAX_SCTP_STREAMS 2048 |
| 236 | |
| 237 | |
| 238 | /* guess at how big to make the TSN mapping array */ |
| 239 | #define SCTP_STARTING_MAPARRAY 10000 |
| 240 | |
| 241 | /* Here we define the timer types used |
| 242 | * by the implementation has |
| 243 | * arguments in the set/get timer type calls. |
| 244 | */ |
| 245 | #define SCTP_TIMER_INIT 0 |
| 246 | #define SCTP_TIMER_RECV 1 |
| 247 | #define SCTP_TIMER_SEND 2 |
| 248 | #define SCTP_TIMER_SHUTDOWN 3 |
| 249 | #define SCTP_TIMER_HEARTBEAT 4 |
| 250 | #define SCTP_TIMER_PMTU 5 |
| 251 | /* number of timer types in the base SCTP |
| 252 | * structure used in the set/get and has |
| 253 | * the base default. |
| 254 | */ |
| 255 | #define SCTP_NUM_TMRS 6 |
| 256 | |
| 257 | |
| 258 | |
| 259 | #define SCTP_IPV4_ADDRESS 2 |
| 260 | #define SCTP_IPV6_ADDRESS 4 |
| 261 | |
| 262 | /* timer types */ |
| 263 | #define SctpTimerTypeNone 0 |
| 264 | #define SctpTimerTypeSend 1 |
| 265 | #define SctpTimerTypeInit 2 |
| 266 | #define SctpTimerTypeRecv 3 |
| 267 | #define SctpTimerTypeShutdown 4 |
| 268 | #define SctpTimerTypeHeartbeat 5 |
| 269 | #define SctpTimerTypeCookie 6 |
| 270 | #define SctpTimerTypeNewCookie 7 |
| 271 | #define SctpTimerTypePathMtuRaise 8 |
| 272 | #define SctpTimerTypeShutdownAck 9 |
| 273 | #define SctpTimerTypeRelReq 10 |
| 274 | |
| 275 | /* Here are the timer directives given to the |
| 276 | * user provided function |
| 277 | */ |
| 278 | #define SCTP_TIMER_START 1 |
| 279 | #define SCTP_TIMER_STOP 2 |
| 280 | |
| 281 | /* running flag states in timer structure */ |
| 282 | #define SCTP_TIMER_IDLE 0x0 |
| 283 | #define SCTP_TIMER_EXPIRED 0x1 |
| 284 | #define SCTP_TIMER_RUNNING 0x2 |
| 285 | |
| 286 | |
| 287 | /* number of simultaneous timers running */ |
| 288 | #define SCTP_MAX_NET_TIMERS 6 /* base of where net timers start */ |
| 289 | #define SCTP_NUMBER_TIMERS 12 /* allows up to 6 destinations */ |
| 290 | |
| 291 | |
| 292 | /* Of course we really don't collect stale cookies, being |
| 293 | * folks of decerning taste. However we do count them, if |
| 294 | * we get to many before the association comes up.. we |
| 295 | * give up. Below is the constant that dictates when |
| 296 | * we give it up...this is a implemenation dependant |
| 297 | * treatment. In ours we do not ask for a extension of |
| 298 | * time, but just retry this many times... |
| 299 | */ |
| 300 | #define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 |
| 301 | |
| 302 | /* max number of TSN's dup'd that I will hold */ |
| 303 | #define SCTP_MAX_DUP_TSNS 20 |
| 304 | |
| 305 | /* Here we define the types used when |
| 306 | * setting the retry ammounts. |
| 307 | */ |
| 308 | /* constants for type of set */ |
| 309 | #define SCTP_MAXATTEMPT_INIT 2 |
| 310 | #define SCTP_MAXATTEMPT_SEND 3 |
| 311 | |
| 312 | /* Here we define the default timers and the |
| 313 | * default number of attemts we make for |
| 314 | * each respective side (send/init). |
| 315 | */ |
| 316 | |
| 317 | /* init timer def = 3sec */ |
| 318 | #define SCTP_INIT_SEC 3 |
| 319 | #define SCTP_INIT_NSEC 0 |
| 320 | |
| 321 | /* send timer def = 3 seconds */ |
| 322 | #define SCTP_SEND_SEC 1 |
| 323 | #define SCTP_SEND_NSEC 0 |
| 324 | |
| 325 | /* recv timer def = 200ms (in nsec) */ |
| 326 | #define SCTP_RECV_SEC 0 |
| 327 | #define SCTP_RECV_NSEC 200000000 |
| 328 | |
| 329 | /* 30 seconds + RTO */ |
| 330 | #define SCTP_HB_SEC 30 |
| 331 | #define SCTP_HB_NSEC 0 |
| 332 | |
| 333 | |
| 334 | /* 300 ms */ |
| 335 | #define SCTP_SHUTDOWN_SEC 0 |
| 336 | #define SCTP_SHUTDOWN_NSEC 300000000 |
| 337 | |
| 338 | #define SCTP_RTO_UPPER_BOUND 60000000 /* 60 sec in micro-second's */ |
| 339 | #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ |
| 340 | #define SCTP_RTO_LOWER_BOUND 1000000 /* 1 sec in micro-sec's */ |
| 341 | |
| 342 | #define SCTP_DEF_MAX_INIT 8 |
| 343 | #define SCTP_DEF_MAX_SEND 10 |
| 344 | |
| 345 | #define SCTP_DEF_PMTU_RAISE 600 /* 10 Minutes between raise attempts */ |
| 346 | #define SCTP_DEF_PMTU_MIN 600 |
| 347 | |
| 348 | #define SCTP_MSEC_IN_A_SEC 1000 |
| 349 | #define SCTP_USEC_IN_A_SEC 1000000 |
| 350 | #define SCTP_NSEC_IN_A_SEC 1000000000 |
| 351 | |
| 352 | |
| 353 | /* Events that SCTP will look for, these |
| 354 | * are or'd together to declare what SCTP |
| 355 | * wants. Each select mask/poll list should be |
| 356 | * set for the fd, if the bit is on. |
| 357 | */ |
| 358 | #define SCTP_EVENT_READ 0x000001 |
| 359 | #define SCTP_EVENT_WRITE 0x000002 |
| 360 | #define SCTP_EVENT_EXCEPT 0x000004 |
| 361 | |
| 362 | /* The following constant is a value for this |
| 363 | * particular implemenation. It is quite arbitrary and |
| 364 | * is used to limit how much data will be queued up to |
| 365 | * a sender, waiting for cwnd to be larger than flightSize. |
| 366 | * All implementations will need this protection is some |
| 367 | * way due to buffer size constraints. |
| 368 | */ |
| 369 | |
| 370 | #define SCTP_MAX_OUTSTANDING_DG 10000 |
| 371 | |
| 372 | |
| 373 | |
| 374 | /* This constant (SCTP_MAX_READBUFFER) define |
| 375 | * how big the read/write buffer is |
| 376 | * when we enter the fd event notification |
| 377 | * the buffer is put on the stack, so the bigger |
| 378 | * it is the more stack you chew up, however it |
| 379 | * has got to be big enough to handle the bigest |
| 380 | * message this O/S will send you. In solaris |
| 381 | * with sockets (not TLI) we end up at a value |
| 382 | * of 64k. In TLI we could do partial reads to |
| 383 | * get it all in with less hassel.. but we |
| 384 | * write to sockets for generality. |
| 385 | */ |
| 386 | #define SCTP_MAX_READBUFFER 65536 |
| 387 | #define SCTP_ADDRMAX 60 |
| 388 | |
| 389 | /* amount peer is obligated to have in rwnd or |
| 390 | * I will abort |
| 391 | */ |
| 392 | #define SCTP_MIN_RWND 1500 |
| 393 | |
| 394 | #define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ |
| 395 | #define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to |
| 396 | * My playing around suggests a |
| 397 | * value greater than 64k does not |
| 398 | * do much, I guess via the kernel |
| 399 | * limitations on the stream/socket. |
| 400 | */ |
| 401 | |
| 402 | #define SCTP_MAX_BUNDLE_UP 256 /* max number of chunks I can bundle */ |
| 403 | |
| 404 | /* I can handle a 1meg re-assembly */ |
| 405 | #define SCTP_DEFAULT_MAXMSGREASM 1048576 |
| 406 | |
| 407 | |
| 408 | #define SCTP_DEFAULT_MAXWINDOW 32768 /* default rwnd size */ |
| 409 | #define SCTP_DEFAULT_MAXSEGMENT 1500 /* MTU size, this is the default |
| 410 | * to which we set the smallestMTU |
| 411 | * size to. This governs what is the |
| 412 | * largest size we will use, of course |
| 413 | * PMTU will raise this up to |
| 414 | * the largest interface MTU or the |
| 415 | * ceiling below if there is no |
| 416 | * SIOCGIFMTU. |
| 417 | */ |
| 418 | #ifdef LYNX |
| 419 | #define DEFAULT_MTU_CEILING 1500 /* Since Lynx O/S is brain dead |
| 420 | * in the way it handles the |
| 421 | * raw IP socket, insisting |
| 422 | * on makeing its own IP |
| 423 | * header, we limit the growth |
| 424 | * to that of the e-net size |
| 425 | */ |
| 426 | #else |
| 427 | #define DEFAULT_MTU_CEILING 2048 /* If no SIOCGIFMTU, highest value |
| 428 | * to raise the PMTU to, i.e. |
| 429 | * don't try to raise above this |
| 430 | * value. Tune this per your |
| 431 | * largest MTU interface if your |
| 432 | * system does not support the |
| 433 | * SIOCGIFMTU ioctl. |
| 434 | */ |
| 435 | #endif |
| 436 | #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ |
| 437 | #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ |
| 438 | /* This is how long a secret lives, NOT how long a cookie lives */ |
| 439 | #define SCTP_HOW_LONG_COOKIE_LIVE 3600 /* how many seconds the current secret will live */ |
| 440 | |
| 441 | #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ |
| 442 | #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ |
| 443 | |
| 444 | #ifdef USE_MD5 |
| 445 | #define SCTP_SIGNATURE_SIZE 16 /* size of a MD5 signature */ |
| 446 | #else |
| 447 | #define SCTP_SIGNATURE_SIZE 20 /* size of a SLA-1 signature */ |
| 448 | #endif |
| 449 | /* Here are the notification constants |
| 450 | * that the code and upper layer will get |
| 451 | */ |
| 452 | |
| 453 | /* association is up */ |
| 454 | #define SCTP_NOTIFY_ASSOC_UP 1 |
| 455 | |
| 456 | /* association is down */ |
| 457 | #define SCTP_NOTIFY_ASSOC_DOWN 2 |
| 458 | |
| 459 | /* interface on a association is down |
| 460 | * and out of consideration for selection. |
| 461 | */ |
| 462 | #define SCTP_NOTIFY_INTF_DOWN 3 |
| 463 | |
| 464 | /* interface on a association is up |
| 465 | * and now back in consideration for selection. |
| 466 | */ |
| 467 | #define SCTP_NOTIFY_INTF_UP 4 |
| 468 | |
| 469 | /* The given datagram cannot be delivered |
| 470 | * to the peer, this will probably be followed |
| 471 | * by a SCTP_NOTFIY_ASSOC_DOWN. |
| 472 | */ |
| 473 | #define SCTP_NOTIFY_DG_FAIL 5 |
| 474 | |
| 475 | /* Sent dg on non-open stream extreme code error! |
| 476 | */ |
| 477 | #define SCTP_NOTIFY_STRDATA_ERR 6 |
| 478 | |
| 479 | #define SCTP_NOTIFY_ASSOC_ABORTED 7 |
| 480 | |
| 481 | /* The stream ones are not used yet, but could |
| 482 | * be when a association opens. |
| 483 | */ |
| 484 | #define SCTP_NOTIFY_PEER_OPENED_STR 8 |
| 485 | #define SCTP_NOTIFY_STREAM_OPENED_OK 9 |
| 486 | |
| 487 | /* association sees a restart event */ |
| 488 | #define SCTP_NOTIFY_ASSOC_RESTART 10 |
| 489 | |
| 490 | /* a user requested HB returned */ |
| 491 | #define SCTP_NOTIFY_HB_RESP 11 |
| 492 | |
| 493 | /* a result from a REL-REQ */ |
| 494 | #define SCTP_NOTIFY_RELREQ_RESULT_OK 12 |
| 495 | #define SCTP_NOTIFY_RELREQ_RESULT_FAILED 13 |
| 496 | |
| 497 | /* clock variance is 10ms or 10,000 us's */ |
| 498 | #define SCTP_CLOCK_GRAINULARITY 10000 |
| 499 | |
| 500 | #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here |
| 501 | * this detracts a small amount for ipv4 |
| 502 | * but it simplifies the ipv6 addition |
| 503 | */ |
| 504 | |
| 505 | #define SCTP_NUM_FDS 3 |
| 506 | |
| 507 | /* raw IP filedescriptor */ |
| 508 | #define SCTP_FD_IP 0 |
| 509 | /* raw ICMP filedescriptor */ |
| 510 | #define SCTP_FD_ICMP 1 |
| 511 | /* processes contact me for requests here */ |
| 512 | #define SCTP_REQUEST 2 |
| 513 | |
| 514 | |
| 515 | #define SCTP_DEAMON_PORT 9899 |
| 516 | |
| 517 | /* Deamon registration message types/responses */ |
| 518 | #define DEAMON_REGISTER 0x01 |
| 519 | #define DEAMON_REGISTER_ACK 0x02 |
| 520 | #define DEAMON_DEREGISTER 0x03 |
| 521 | #define DEAMON_DEREGISTER_ACK 0x04 |
| 522 | #define DEAMON_CHECKADDR_LIST 0x05 |
| 523 | |
| 524 | #define DEAMON_MAGIC_VER_LEN 0xff |
| 525 | |
| 526 | /* max times I will attempt to send a message to deamon */ |
| 527 | #define SCTP_MAX_ATTEMPTS_AT_DEAMON 5 |
| 528 | #define SCTP_TIMEOUT_IN_POLL_FOR_DEAMON 1500 /* 1.5 seconds */ |
| 529 | |
| 530 | /* modular comparison */ |
| 531 | /* True if a > b (mod = M) */ |
| 532 | #define compare_with_wrap(a, b, M) ((a > b) && ((a - b) < (M >> 1))) || \ |
| 533 | ((b > a) && ((b - a) > (M >> 1))) |
| 534 | |
| 535 | #ifndef TIMEVAL_TO_TIMESPEC |
| 536 | #define TIMEVAL_TO_TIMESPEC(tv, ts) \ |
| 537 | { \ |
| 538 | (ts)->tv_sec = (tv)->tv_sec; \ |
| 539 | (ts)->tv_nsec = (tv)->tv_usec * 1000; \ |
| 540 | } |
| 541 | #endif |
| 542 | |
| 543 | /* pegs */ |
| 544 | #define SCTP_NUMBER_OF_PEGS 21 |
| 545 | /* peg index's */ |
| 546 | #define SCTP_PEG_SACKS_SEEN 0 |
| 547 | #define SCTP_PEG_SACKS_SENT 1 |
| 548 | #define SCTP_PEG_TSNS_SENT 2 |
| 549 | #define SCTP_PEG_TSNS_RCVD 3 |
| 550 | #define SCTP_DATAGRAMS_SENT 4 |
| 551 | #define SCTP_DATAGRAMS_RCVD 5 |
| 552 | #define SCTP_RETRANTSN_SENT 6 |
| 553 | #define SCTP_DUPTSN_RECVD 7 |
| 554 | #define SCTP_HBR_RECV 8 |
| 555 | #define SCTP_HBA_RECV 9 |
| 556 | #define SCTP_HB_SENT 10 |
| 557 | #define SCTP_DATA_DG_SENT 11 |
| 558 | #define SCTP_DATA_DG_RECV 12 |
| 559 | #define SCTP_TMIT_TIMER 13 |
| 560 | #define SCTP_RECV_TIMER 14 |
| 561 | #define SCTP_HB_TIMER 15 |
| 562 | #define SCTP_FAST_RETRAN 16 |
| 563 | #define SCTP_PEG_TSNS_READ 17 |
| 564 | #define SCTP_NONE_LFT_TO 18 |
| 565 | #define SCTP_NONE_LFT_RWND 19 |
| 566 | #define SCTP_NONE_LFT_CWND 20 |
| 567 | |
| 568 | |
| 569 | |
| 570 | #endif |
| 571 | |