/* @(#) $Header: /tcpdump/master/tcpdump/sctpConstants.h,v 1.4 2003/06/03 23:49:23 guy Exp $ (LBL) */ /* SCTP reference Implementation Copyright (C) 1999 Cisco And Motorola * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * 3. Neither the name of Cisco nor of Motorola may be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * This file is part of the SCTP reference Implementation * * * Please send any bug reports or fixes you make to one of the following email * addresses: * * rstewar1@email.mot.com * kmorneau@cisco.com * qxie1@email.mot.com * * Any bugs reported given to us we will try to fix... any fixes shared will * be incorperated into the next SCTP release. */ #ifndef __sctpConstants_h__ #define __sctpConstants_h__ /* If you wish to use MD5 instead of SLA uncomment the line * below. Why you would like to do this: * a) There may be IPR on SHA-1, or so the FIP-180-1 page says, * b) MD5 is 3 times faster (has coded here). * * The disadvantage is, it is thought that MD5 has been * cracked... see RFC2104. */ /*#define USE_MD5 1*/ /* the SCTP protocol signature * this includes the version number * encoded in the last 4 bits of the * signature. */ #define PROTO_SIGNATURE_A 0x30000000 #define SCTP_VERSION_NUMBER 0x3 #define MAX_TSN 0xffffffff #define MAX_SEQ 0xffff /* option: * If you comment out the following you will * receive the old behavior of obeying cwnd for * the fast retransmit algorithm. With this defined * a FR happens right away with-out waiting for the * flightsize to drop below the cwnd value (which * is reduced by the FR to 1/2 the inflight packets). */ #define SCTP_IGNORE_CWND_ON_FR 1 /* default max I can burst out after a fast retransmit */ #define SCTP_DEF_MAX_BURST 4 /* Packet transmit states in the sent * field in the SCTP_transmitOnQueue struct */ #define SCTP_DATAGRAM_UNSENT 0 #define SCTP_DATAGRAM_SENT 1 #define SCTP_DATAGRAM_RESEND1 2 /* not used */ #define SCTP_DATAGRAM_RESEND2 3 /* not used */ #define SCTP_DATAGRAM_RESEND3 4 /* not used */ #define SCTP_DATAGRAM_RESEND 5 #define SCTP_DATAGRAM_ACKED 10010 #define SCTP_DATAGRAM_INBOUND 10011 #define SCTP_READY_TO_TRANSMIT 10012 #define SCTP_DATAGRAM_MARKED 20010 #define MAX_FSID 64 /* debug 5 ints used for cc dynamic tracking */ /* The valid defines for all message * types know to SCTP. 0 is reserved */ #define SCTP_MSGTYPE_MASK 0xff #define SCTP_DATA 0x00 #define SCTP_INITIATION 0x01 #define SCTP_INITIATION_ACK 0x02 #define SCTP_SELECTIVE_ACK 0x03 #define SCTP_HEARTBEAT_REQUEST 0x04 #define SCTP_HEARTBEAT_ACK 0x05 #define SCTP_ABORT_ASSOCIATION 0x06 #define SCTP_SHUTDOWN 0x07 #define SCTP_SHUTDOWN_ACK 0x08 #define SCTP_OPERATION_ERR 0x09 #define SCTP_COOKIE_ECHO 0x0a #define SCTP_COOKIE_ACK 0x0b #define SCTP_ECN_ECHO 0x0c #define SCTP_ECN_CWR 0x0d #define SCTP_SHUTDOWN_COMPLETE 0x0e #define SCTP_FORWARD_CUM_TSN 0xc0 #define SCTP_RELIABLE_CNTL 0xc1 #define SCTP_RELIABLE_CNTL_ACK 0xc2 /* ABORT and SHUTDOWN COMPLETE FLAG */ #define SCTP_HAD_NO_TCB 0x01 /* Data Chuck Specific Flags */ #define SCTP_DATA_FRAG_MASK 0x03 #define SCTP_DATA_MIDDLE_FRAG 0x00 #define SCTP_DATA_LAST_FRAG 0x01 #define SCTP_DATA_FIRST_FRAG 0x02 #define SCTP_DATA_NOT_FRAG 0x03 #define SCTP_DATA_UNORDERED 0x04 #define SCTP_CRC_ENABLE_BIT 0x01 /* lower bit of reserved */ #define isSCTPControl(a) (a->chunkID != SCTP_DATA) #define isSCTPData(a) (a->chunkID == SCTP_DATA) /* sctp parameter types for init/init-ack */ #define SCTP_IPV4_PARAM_TYPE 0x0005 #define SCTP_IPV6_PARAM_TYPE 0x0006 #define SCTP_RESPONDER_COOKIE 0x0007 #define SCTP_UNRECOG_PARAM 0x0008 #define SCTP_COOKIE_PRESERVE 0x0009 #define SCTP_HOSTNAME_VIA_DNS 0x000b #define SCTP_RESTRICT_ADDR_TO 0x000c #define SCTP_ECN_I_CAN_DO_ECN 0x8000 #define SCTP_OPERATION_SUCCEED 0x4001 #define SCTP_ERROR_NOT_EXECUTED 0x4002 #define SCTP_UNRELIABLE_STRM 0xc000 #define SCTP_ADD_IP_ADDRESS 0xc001 #define SCTP_DEL_IP_ADDRESS 0xc002 #define SCTP_STRM_FLOW_LIMIT 0xc003 #define SCTP_PARTIAL_CSUM 0xc004 #define SCTP_ERROR_CAUSE_TLV 0xc005 #define SCTP_MIT_STACK_NAME 0xc006 #define SCTP_SETADDRESS_PRIMARY 0xc007 /* bits for TOS field */ #define SCTP_ECT_BIT 0x02 #define SCTP_CE_BIT 0x01 /* error codes */ #define SCTP_OP_ERROR_NO_ERROR 0x0000 #define SCTP_OP_ERROR_INV_STRM 0x0001 #define SCTP_OP_ERROR_MISS_PARAM 0x0002 #define SCTP_OP_ERROR_STALE_COOKIE 0x0003 #define SCTP_OP_ERROR_NO_RESOURCE 0x0004 #define SCTP_OP_ERROR_DNS_FAILED 0x0005 #define SCTP_OP_ERROR_UNK_CHUNK 0x0006 #define SCTP_OP_ERROR_INV_PARAM 0x0007 #define SCTP_OP_ERROR_UNK_PARAM 0x0008 #define SCTP_OP_ERROR_NO_USERD 0x0009 #define SCTP_OP_ERROR_COOKIE_SHUT 0x000a #define SCTP_OP_ERROR_DELETE_LAST 0x000b #define SCTP_OP_ERROR_RESOURCE_SHORT 0x000c #define SCTP_MAX_ERROR_CAUSE 12 /* empty error causes i.e. nothing but the cause * are SCTP_OP_ERROR_NO_RESOURCE, SCTP_OP_ERROR_INV_PARAM, * SCTP_OP_ERROR_COOKIE_SHUT. */ /* parameter for Heart Beat */ #define HEART_BEAT_PARAM 0x0001 /* send options for SCTP */ #define SCTP_ORDERED_DELIVERY 0x01 #define SCTP_NON_ORDERED_DELIVERY 0x02 #define SCTP_DO_CRC16 0x08 #define SCTP_MY_ADDRESS_ONLY 0x10 /* below turns off above */ #define SCTP_FLEXIBLE_ADDRESS 0x20 #define SCTP_NO_HEARTBEAT 0x40 /* mask to get sticky */ #define SCTP_STICKY_OPTIONS_MASK 0x0c /* MTU discovery flags */ #define SCTP_DONT_FRAGMENT 0x0100 #define SCTP_FRAGMENT_OK 0x0200 /* SCTP state defines for internal state machine */ #define SCTP_STATE_EMPTY 0x0000 #define SCTP_STATE_INUSE 0x0001 #define SCTP_STATE_COOKIE_WAIT 0x0002 #define SCTP_STATE_COOKIE_SENT 0x0004 #define SCTP_STATE_OPEN 0x0008 #define SCTP_STATE_SHUTDOWN 0x0010 #define SCTP_STATE_SHUTDOWN_RECV 0x0020 #define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040 #define SCTP_STATE_SHUTDOWN_PEND 0x0080 #define SCTP_STATE_MASK 0x007f /* SCTP reachability state for each address */ #define SCTP_ADDR_NOT_REACHABLE 1 #define SCTP_ADDR_REACHABLE 2 #define SCTP_ADDR_NOHB 4 #define SCTP_ADDR_BEING_DELETED 8 /* How long a cookie lives */ #define SCTP_DEFAULT_COOKIE_LIFE 60 /* seconds */ /* resource limit of streams */ #define MAX_SCTP_STREAMS 2048 /* guess at how big to make the TSN mapping array */ #define SCTP_STARTING_MAPARRAY 10000 /* Here we define the timer types used * by the implementation has * arguments in the set/get timer type calls. */ #define SCTP_TIMER_INIT 0 #define SCTP_TIMER_RECV 1 #define SCTP_TIMER_SEND 2 #define SCTP_TIMER_SHUTDOWN 3 #define SCTP_TIMER_HEARTBEAT 4 #define SCTP_TIMER_PMTU 5 /* number of timer types in the base SCTP * structure used in the set/get and has * the base default. */ #define SCTP_NUM_TMRS 6 #define SCTP_IPV4_ADDRESS 2 #define SCTP_IPV6_ADDRESS 4 /* timer types */ #define SctpTimerTypeNone 0 #define SctpTimerTypeSend 1 #define SctpTimerTypeInit 2 #define SctpTimerTypeRecv 3 #define SctpTimerTypeShutdown 4 #define SctpTimerTypeHeartbeat 5 #define SctpTimerTypeCookie 6 #define SctpTimerTypeNewCookie 7 #define SctpTimerTypePathMtuRaise 8 #define SctpTimerTypeShutdownAck 9 #define SctpTimerTypeRelReq 10 /* Here are the timer directives given to the * user provided function */ #define SCTP_TIMER_START 1 #define SCTP_TIMER_STOP 2 /* running flag states in timer structure */ #define SCTP_TIMER_IDLE 0x0 #define SCTP_TIMER_EXPIRED 0x1 #define SCTP_TIMER_RUNNING 0x2 /* number of simultaneous timers running */ #define SCTP_MAX_NET_TIMERS 6 /* base of where net timers start */ #define SCTP_NUMBER_TIMERS 12 /* allows up to 6 destinations */ /* Of course we really don't collect stale cookies, being * folks of decerning taste. However we do count them, if * we get to many before the association comes up.. we * give up. Below is the constant that dictates when * we give it up...this is a implemenation dependant * treatment. In ours we do not ask for a extension of * time, but just retry this many times... */ #define SCTP_MAX_STALE_COOKIES_I_COLLECT 10 /* max number of TSN's dup'd that I will hold */ #define SCTP_MAX_DUP_TSNS 20 /* Here we define the types used when * setting the retry ammounts. */ /* constants for type of set */ #define SCTP_MAXATTEMPT_INIT 2 #define SCTP_MAXATTEMPT_SEND 3 /* Here we define the default timers and the * default number of attemts we make for * each respective side (send/init). */ /* init timer def = 3sec */ #define SCTP_INIT_SEC 3 #define SCTP_INIT_NSEC 0 /* send timer def = 3 seconds */ #define SCTP_SEND_SEC 1 #define SCTP_SEND_NSEC 0 /* recv timer def = 200ms (in nsec) */ #define SCTP_RECV_SEC 0 #define SCTP_RECV_NSEC 200000000 /* 30 seconds + RTO */ #define SCTP_HB_SEC 30 #define SCTP_HB_NSEC 0 /* 300 ms */ #define SCTP_SHUTDOWN_SEC 0 #define SCTP_SHUTDOWN_NSEC 300000000 #define SCTP_RTO_UPPER_BOUND 60000000 /* 60 sec in micro-second's */ #define SCTP_RTO_UPPER_BOUND_SEC 60 /* for the init timer */ #define SCTP_RTO_LOWER_BOUND 1000000 /* 1 sec in micro-sec's */ #define SCTP_DEF_MAX_INIT 8 #define SCTP_DEF_MAX_SEND 10 #define SCTP_DEF_PMTU_RAISE 600 /* 10 Minutes between raise attempts */ #define SCTP_DEF_PMTU_MIN 600 #define SCTP_MSEC_IN_A_SEC 1000 #define SCTP_USEC_IN_A_SEC 1000000 #define SCTP_NSEC_IN_A_SEC 1000000000 /* Events that SCTP will look for, these * are or'd together to declare what SCTP * wants. Each select mask/poll list should be * set for the fd, if the bit is on. */ #define SCTP_EVENT_READ 0x000001 #define SCTP_EVENT_WRITE 0x000002 #define SCTP_EVENT_EXCEPT 0x000004 /* The following constant is a value for this * particular implemenation. It is quite arbitrary and * is used to limit how much data will be queued up to * a sender, waiting for cwnd to be larger than flightSize. * All implementations will need this protection is some * way due to buffer size constraints. */ #define SCTP_MAX_OUTSTANDING_DG 10000 /* This constant (SCTP_MAX_READBUFFER) define * how big the read/write buffer is * when we enter the fd event notification * the buffer is put on the stack, so the bigger * it is the more stack you chew up, however it * has got to be big enough to handle the bigest * message this O/S will send you. In solaris * with sockets (not TLI) we end up at a value * of 64k. In TLI we could do partial reads to * get it all in with less hassel.. but we * write to sockets for generality. */ #define SCTP_MAX_READBUFFER 65536 #define SCTP_ADDRMAX 60 /* amount peer is obligated to have in rwnd or * I will abort */ #define SCTP_MIN_RWND 1500 #define SCTP_WINDOW_MIN 1500 /* smallest rwnd can be */ #define SCTP_WINDOW_MAX 1048576 /* biggest I can grow rwnd to * My playing around suggests a * value greater than 64k does not * do much, I guess via the kernel * limitations on the stream/socket. */ #define SCTP_MAX_BUNDLE_UP 256 /* max number of chunks I can bundle */ /* I can handle a 1meg re-assembly */ #define SCTP_DEFAULT_MAXMSGREASM 1048576 #define SCTP_DEFAULT_MAXWINDOW 32768 /* default rwnd size */ #define SCTP_DEFAULT_MAXSEGMENT 1500 /* MTU size, this is the default * to which we set the smallestMTU * size to. This governs what is the * largest size we will use, of course * PMTU will raise this up to * the largest interface MTU or the * ceiling below if there is no * SIOCGIFMTU. */ #ifdef LYNX #define DEFAULT_MTU_CEILING 1500 /* Since Lynx O/S is brain dead * in the way it handles the * raw IP socket, insisting * on makeing its own IP * header, we limit the growth * to that of the e-net size */ #else #define DEFAULT_MTU_CEILING 2048 /* If no SIOCGIFMTU, highest value * to raise the PMTU to, i.e. * don't try to raise above this * value. Tune this per your * largest MTU interface if your * system does not support the * SIOCGIFMTU ioctl. */ #endif #define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */ #define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */ /* This is how long a secret lives, NOT how long a cookie lives */ #define SCTP_HOW_LONG_COOKIE_LIVE 3600 /* how many seconds the current secret will live */ #define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */ #define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */ #ifdef USE_MD5 #define SCTP_SIGNATURE_SIZE 16 /* size of a MD5 signature */ #else #define SCTP_SIGNATURE_SIZE 20 /* size of a SLA-1 signature */ #endif /* Here are the notification constants * that the code and upper layer will get */ /* association is up */ #define SCTP_NOTIFY_ASSOC_UP 1 /* association is down */ #define SCTP_NOTIFY_ASSOC_DOWN 2 /* interface on a association is down * and out of consideration for selection. */ #define SCTP_NOTIFY_INTF_DOWN 3 /* interface on a association is up * and now back in consideration for selection. */ #define SCTP_NOTIFY_INTF_UP 4 /* The given datagram cannot be delivered * to the peer, this will probably be followed * by a SCTP_NOTFIY_ASSOC_DOWN. */ #define SCTP_NOTIFY_DG_FAIL 5 /* Sent dg on non-open stream extreme code error! */ #define SCTP_NOTIFY_STRDATA_ERR 6 #define SCTP_NOTIFY_ASSOC_ABORTED 7 /* The stream ones are not used yet, but could * be when a association opens. */ #define SCTP_NOTIFY_PEER_OPENED_STR 8 #define SCTP_NOTIFY_STREAM_OPENED_OK 9 /* association sees a restart event */ #define SCTP_NOTIFY_ASSOC_RESTART 10 /* a user requested HB returned */ #define SCTP_NOTIFY_HB_RESP 11 /* a result from a REL-REQ */ #define SCTP_NOTIFY_RELREQ_RESULT_OK 12 #define SCTP_NOTIFY_RELREQ_RESULT_FAILED 13 /* clock variance is 10ms or 10,000 us's */ #define SCTP_CLOCK_GRAINULARITY 10000 #define IP_HDR_SIZE 40 /* we use the size of a IP6 header here * this detracts a small amount for ipv4 * but it simplifies the ipv6 addition */ #define SCTP_NUM_FDS 3 /* raw IP filedescriptor */ #define SCTP_FD_IP 0 /* raw ICMP filedescriptor */ #define SCTP_FD_ICMP 1 /* processes contact me for requests here */ #define SCTP_REQUEST 2 #define SCTP_DEAMON_PORT 9899 /* Deamon registration message types/responses */ #define DEAMON_REGISTER 0x01 #define DEAMON_REGISTER_ACK 0x02 #define DEAMON_DEREGISTER 0x03 #define DEAMON_DEREGISTER_ACK 0x04 #define DEAMON_CHECKADDR_LIST 0x05 #define DEAMON_MAGIC_VER_LEN 0xff /* max times I will attempt to send a message to deamon */ #define SCTP_MAX_ATTEMPTS_AT_DEAMON 5 #define SCTP_TIMEOUT_IN_POLL_FOR_DEAMON 1500 /* 1.5 seconds */ /* modular comparison */ /* True if a > b (mod = M) */ #define compare_with_wrap(a, b, M) ((a > b) && ((a - b) < (M >> 1))) || \ ((b > a) && ((b - a) > (M >> 1))) #ifndef TIMEVAL_TO_TIMESPEC #define TIMEVAL_TO_TIMESPEC(tv, ts) \ { \ (ts)->tv_sec = (tv)->tv_sec; \ (ts)->tv_nsec = (tv)->tv_usec * 1000; \ } #endif /* pegs */ #define SCTP_NUMBER_OF_PEGS 21 /* peg index's */ #define SCTP_PEG_SACKS_SEEN 0 #define SCTP_PEG_SACKS_SENT 1 #define SCTP_PEG_TSNS_SENT 2 #define SCTP_PEG_TSNS_RCVD 3 #define SCTP_DATAGRAMS_SENT 4 #define SCTP_DATAGRAMS_RCVD 5 #define SCTP_RETRANTSN_SENT 6 #define SCTP_DUPTSN_RECVD 7 #define SCTP_HBR_RECV 8 #define SCTP_HBA_RECV 9 #define SCTP_HB_SENT 10 #define SCTP_DATA_DG_SENT 11 #define SCTP_DATA_DG_RECV 12 #define SCTP_TMIT_TIMER 13 #define SCTP_RECV_TIMER 14 #define SCTP_HB_TIMER 15 #define SCTP_FAST_RETRAN 16 #define SCTP_PEG_TSNS_READ 17 #define SCTP_NONE_LFT_TO 18 #define SCTP_NONE_LFT_RWND 19 #define SCTP_NONE_LFT_CWND 20 #endif