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/*-
* Copyright (c) 2001-2008, by Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
* Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* a) Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* b) 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.
*
* c) Neither the name of Cisco Systems, Inc. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: release/9.1.0/sys/netinet/sctp_constants.h 237896 2012-07-01 07:59:00Z tuexen $");
#ifndef _NETINET_SCTP_CONSTANTS_H_
#define _NETINET_SCTP_CONSTANTS_H_
/* IANA assigned port number for SCTP over UDP encapsulation */
/* For freebsd we cannot bind the port at
* startup. Otherwise what will happen is
* we really won't be bound. The user must
* put it into the sysctl... or we need
* to build a special timer for this to allow
* us to wait 1 second or so after the system
* comes up.
*/
#define SCTP_OVER_UDP_TUNNELING_PORT 0
/* Number of packets to get before sack sent by default */
#define SCTP_DEFAULT_SACK_FREQ 2
/* Address limit - This variable is calculated
* based on an 65535 byte max ip packet. We take out 100 bytes
* for the cookie, 40 bytes for a v6 header and 32
* bytes for the init structure. A second init structure
* for the init-ack and then finally a third one for the
* imbedded init. This yeilds 100+40+(3 * 32) = 236 bytes.
* This leaves 65299 bytes for addresses. We throw out the 299 bytes.
* Now whatever we send in the INIT() we need to allow to get back in the
* INIT-ACK plus all the values from INIT and INIT-ACK
* listed in the cookie. Plus we need some overhead for
* maybe copied parameters in the COOKIE. If we
* allow 1080 addresses, and each side has 1080 V6 addresses
* that will be 21600 bytes. In the INIT-ACK we will
* see the INIT-ACK 21600 + 43200 in the cookie. This leaves
* about 500 bytes slack for misc things in the cookie.
*/
#define SCTP_ADDRESS_LIMIT 1080
/* We need at least 2k of space for us, inits
* larger than that lets abort.
*/
#define SCTP_LARGEST_INIT_ACCEPTED (65535 - 2048)
/* Number of addresses where we just skip the counting */
#define SCTP_COUNT_LIMIT 40
#define SCTP_ZERO_COPY_TICK_DELAY (((100 * hz) + 999) / 1000)
#define SCTP_ZERO_COPY_SENDQ_TICK_DELAY (((100 * hz) + 999) / 1000)
/* Number of ticks to delay before running
* iterator on an address change.
*/
#define SCTP_ADDRESS_TICK_DELAY 2
#define SCTP_VERSION_STRING "KAME-BSD 1.1"
/* #define SCTP_AUDITING_ENABLED 1 used for debug/auditing */
#define SCTP_AUDIT_SIZE 256
#define SCTP_KTRHEAD_NAME "sctp_iterator"
#define SCTP_KTHREAD_PAGES 0
#define SCTP_MCORE_NAME "sctp_core_worker"
/* If you support Multi-VRF how big to
* make the initial array of VRF's to.
*/
#define SCTP_DEFAULT_VRF_SIZE 4
/* constants for rto calc */
#define sctp_align_safe_nocopy 0
#define sctp_align_unsafe_makecopy 1
/* JRS - Values defined for the HTCP algorithm */
#define ALPHA_BASE (1<<7) /* 1.0 with shift << 7 */
#define BETA_MIN (1<<6) /* 0.5 with shift << 7 */
#define BETA_MAX 102 /* 0.8 with shift << 7 */
/* Places that CWND log can happen from */
#define SCTP_CWND_LOG_FROM_FR 1
#define SCTP_CWND_LOG_FROM_RTX 2
#define SCTP_CWND_LOG_FROM_BRST 3
#define SCTP_CWND_LOG_FROM_SS 4
#define SCTP_CWND_LOG_FROM_CA 5
#define SCTP_CWND_LOG_FROM_SAT 6
#define SCTP_BLOCK_LOG_INTO_BLK 7
#define SCTP_BLOCK_LOG_OUTOF_BLK 8
#define SCTP_BLOCK_LOG_CHECK 9
#define SCTP_STR_LOG_FROM_INTO_STRD 10
#define SCTP_STR_LOG_FROM_IMMED_DEL 11
#define SCTP_STR_LOG_FROM_INSERT_HD 12
#define SCTP_STR_LOG_FROM_INSERT_MD 13
#define SCTP_STR_LOG_FROM_INSERT_TL 14
#define SCTP_STR_LOG_FROM_MARK_TSN 15
#define SCTP_STR_LOG_FROM_EXPRS_DEL 16
#define SCTP_FR_LOG_BIGGEST_TSNS 17
#define SCTP_FR_LOG_STRIKE_TEST 18
#define SCTP_FR_LOG_STRIKE_CHUNK 19
#define SCTP_FR_T3_TIMEOUT 20
#define SCTP_MAP_PREPARE_SLIDE 21
#define SCTP_MAP_SLIDE_FROM 22
#define SCTP_MAP_SLIDE_RESULT 23
#define SCTP_MAP_SLIDE_CLEARED 24
#define SCTP_MAP_SLIDE_NONE 25
#define SCTP_FR_T3_MARK_TIME 26
#define SCTP_FR_T3_MARKED 27
#define SCTP_FR_T3_STOPPED 28
#define SCTP_FR_MARKED 30
#define SCTP_CWND_LOG_NOADV_SS 31
#define SCTP_CWND_LOG_NOADV_CA 32
#define SCTP_MAX_BURST_APPLIED 33
#define SCTP_MAX_IFP_APPLIED 34
#define SCTP_MAX_BURST_ERROR_STOP 35
#define SCTP_INCREASE_PEER_RWND 36
#define SCTP_DECREASE_PEER_RWND 37
#define SCTP_SET_PEER_RWND_VIA_SACK 38
#define SCTP_LOG_MBCNT_INCREASE 39
#define SCTP_LOG_MBCNT_DECREASE 40
#define SCTP_LOG_MBCNT_CHKSET 41
#define SCTP_LOG_NEW_SACK 42
#define SCTP_LOG_TSN_ACKED 43
#define SCTP_LOG_TSN_REVOKED 44
#define SCTP_LOG_LOCK_TCB 45
#define SCTP_LOG_LOCK_INP 46
#define SCTP_LOG_LOCK_SOCK 47
#define SCTP_LOG_LOCK_SOCKBUF_R 48
#define SCTP_LOG_LOCK_SOCKBUF_S 49
#define SCTP_LOG_LOCK_CREATE 50
#define SCTP_LOG_INITIAL_RTT 51
#define SCTP_LOG_RTTVAR 52
#define SCTP_LOG_SBALLOC 53
#define SCTP_LOG_SBFREE 54
#define SCTP_LOG_SBRESULT 55
#define SCTP_FR_DUPED 56
#define SCTP_FR_MARKED_EARLY 57
#define SCTP_FR_CWND_REPORT 58
#define SCTP_FR_CWND_REPORT_START 59
#define SCTP_FR_CWND_REPORT_STOP 60
#define SCTP_CWND_LOG_FROM_SEND 61
#define SCTP_CWND_INITIALIZATION 62
#define SCTP_CWND_LOG_FROM_T3 63
#define SCTP_CWND_LOG_FROM_SACK 64
#define SCTP_CWND_LOG_NO_CUMACK 65
#define SCTP_CWND_LOG_FROM_RESEND 66
#define SCTP_FR_LOG_CHECK_STRIKE 67
#define SCTP_SEND_NOW_COMPLETES 68
#define SCTP_CWND_LOG_FILL_OUTQ_CALLED 69
#define SCTP_CWND_LOG_FILL_OUTQ_FILLS 70
#define SCTP_LOG_FREE_SENT 71
#define SCTP_NAGLE_APPLIED 72
#define SCTP_NAGLE_SKIPPED 73
#define SCTP_WAKESND_FROM_SACK 74
#define SCTP_WAKESND_FROM_FWDTSN 75
#define SCTP_NOWAKE_FROM_SACK 76
#define SCTP_CWNDLOG_PRESEND 77
#define SCTP_CWNDLOG_ENDSEND 78
#define SCTP_AT_END_OF_SACK 79
#define SCTP_REASON_FOR_SC 80
#define SCTP_BLOCK_LOG_INTO_BLKA 81
#define SCTP_ENTER_USER_RECV 82
#define SCTP_USER_RECV_SACKS 83
#define SCTP_SORECV_BLOCKSA 84
#define SCTP_SORECV_BLOCKSB 85
#define SCTP_SORECV_DONE 86
#define SCTP_SACK_RWND_UPDATE 87
#define SCTP_SORECV_ENTER 88
#define SCTP_SORECV_ENTERPL 89
#define SCTP_MBUF_INPUT 90
#define SCTP_MBUF_IALLOC 91
#define SCTP_MBUF_IFREE 92
#define SCTP_MBUF_ICOPY 93
#define SCTP_MBUF_SPLIT 94
#define SCTP_SORCV_FREECTL 95
#define SCTP_SORCV_DOESCPY 96
#define SCTP_SORCV_DOESLCK 97
#define SCTP_SORCV_DOESADJ 98
#define SCTP_SORCV_BOTWHILE 99
#define SCTP_SORCV_PASSBF 100
#define SCTP_SORCV_ADJD 101
#define SCTP_UNKNOWN_MAX 102
#define SCTP_RANDY_STUFF 103
#define SCTP_RANDY_STUFF1 104
#define SCTP_STRMOUT_LOG_ASSIGN 105
#define SCTP_STRMOUT_LOG_SEND 106
#define SCTP_FLIGHT_LOG_DOWN_CA 107
#define SCTP_FLIGHT_LOG_UP 108
#define SCTP_FLIGHT_LOG_DOWN_GAP 109
#define SCTP_FLIGHT_LOG_DOWN_RSND 110
#define SCTP_FLIGHT_LOG_UP_RSND 111
#define SCTP_FLIGHT_LOG_DOWN_RSND_TO 112
#define SCTP_FLIGHT_LOG_DOWN_WP 113
#define SCTP_FLIGHT_LOG_UP_REVOKE 114
#define SCTP_FLIGHT_LOG_DOWN_PDRP 115
#define SCTP_FLIGHT_LOG_DOWN_PMTU 116
#define SCTP_SACK_LOG_NORMAL 117
#define SCTP_SACK_LOG_EXPRESS 118
#define SCTP_MAP_TSN_ENTERS 119
#define SCTP_THRESHOLD_CLEAR 120
#define SCTP_THRESHOLD_INCR 121
#define SCTP_FLIGHT_LOG_DWN_WP_FWD 122
#define SCTP_FWD_TSN_CHECK 123
#define SCTP_LOG_MAX_TYPES 124
/*
* To turn on various logging, you must first enable 'options KTR' and
* you might want to bump the entires 'options KTR_ENTRIES=80000'.
* To get something to log you define one of the logging defines.
* (see LINT).
*
* This gets the compile in place, but you still need to turn the
* logging flag on too in the sysctl (see in sctp.h).
*/
#define SCTP_LOG_EVENT_UNKNOWN 0
#define SCTP_LOG_EVENT_CWND 1
#define SCTP_LOG_EVENT_BLOCK 2
#define SCTP_LOG_EVENT_STRM 3
#define SCTP_LOG_EVENT_FR 4
#define SCTP_LOG_EVENT_MAP 5
#define SCTP_LOG_EVENT_MAXBURST 6
#define SCTP_LOG_EVENT_RWND 7
#define SCTP_LOG_EVENT_MBCNT 8
#define SCTP_LOG_EVENT_SACK 9
#define SCTP_LOG_LOCK_EVENT 10
#define SCTP_LOG_EVENT_RTT 11
#define SCTP_LOG_EVENT_SB 12
#define SCTP_LOG_EVENT_NAGLE 13
#define SCTP_LOG_EVENT_WAKE 14
#define SCTP_LOG_MISC_EVENT 15
#define SCTP_LOG_EVENT_CLOSE 16
#define SCTP_LOG_EVENT_MBUF 17
#define SCTP_LOG_CHUNK_PROC 18
#define SCTP_LOG_ERROR_RET 19
#define SCTP_LOG_MAX_EVENT 20
#define SCTP_LOCK_UNKNOWN 2
/* number of associations by default for zone allocation */
#define SCTP_MAX_NUM_OF_ASOC 40000
/* how many addresses per assoc remote and local */
#define SCTP_SCALE_FOR_ADDR 2
/* default AUTO_ASCONF mode enable(1)/disable(0) value (sysctl) */
#define SCTP_DEFAULT_AUTO_ASCONF 1
/* default MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */
#define SCTP_DEFAULT_MULTIPLE_ASCONFS 0
/* default MOBILITY_BASE mode enable(1)/disable(0) value (sysctl) */
#define SCTP_DEFAULT_MOBILITY_BASE 0
/* default MOBILITY_FASTHANDOFF mode enable(1)/disable(0) value (sysctl) */
#define SCTP_DEFAULT_MOBILITY_FASTHANDOFF 0
/*
* Theshold for rwnd updates, we have to read (sb_hiwat >>
* SCTP_RWND_HIWAT_SHIFT) before we will look to see if we need to send a
* window update sack. When we look, we compare the last rwnd we sent vs the
* current rwnd. It too must be greater than this value. Using 3 divdes the
* hiwat by 8, so for 200k rwnd we need to read 24k. For a 64k rwnd we need
* to read 8k. This seems about right.. I hope :-D.. we do set a
* min of a MTU on it so if the rwnd is real small we will insist
* on a full MTU of 1500 bytes.
*/
#define SCTP_RWND_HIWAT_SHIFT 3
/* How much of the rwnd must the
* message be taking up to start partial delivery.
* We calculate this by shifing the hi_water (recv_win)
* left the following .. set to 1, when a message holds
* 1/2 the rwnd. If we set it to 2 when a message holds
* 1/4 the rwnd...etc..
*/
#define SCTP_PARTIAL_DELIVERY_SHIFT 1
/*
* default HMAC for cookies, etc... use one of the AUTH HMAC id's
* SCTP_HMAC is the HMAC_ID to use
* SCTP_SIGNATURE_SIZE is the digest length
*/
#define SCTP_HMAC SCTP_AUTH_HMAC_ID_SHA1
#define SCTP_SIGNATURE_SIZE SCTP_AUTH_DIGEST_LEN_SHA1
#define SCTP_SIGNATURE_ALOC_SIZE SCTP_SIGNATURE_SIZE
/*
* 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
/* how many executions every N tick's */
#define SCTP_ITERATOR_MAX_AT_ONCE 20
/* number of clock ticks between iterator executions */
#define SCTP_ITERATOR_TICKS 1
/*
* 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
/*
* Adds implementors guide behavior to only use newest highest update in SACK
* gap ack's to figure out if you need to stroke a chunk for FR.
*/
#define SCTP_NO_FR_UNLESS_SEGMENT_SMALLER 1
/* default max I can burst out after a fast retransmit, 0 disables it */
#define SCTP_DEF_MAX_BURST 4
#define SCTP_DEF_HBMAX_BURST 4
#define SCTP_DEF_FRMAX_BURST 4
/* RTO calculation flag to say if it
* is safe to determine local lan or not.
*/
#define SCTP_RTT_FROM_NON_DATA 0
#define SCTP_RTT_FROM_DATA 1
/* IP hdr (20/40) + 12+2+2 (enet) + sctp common 12 */
#define SCTP_FIRST_MBUF_RESV 68
/* Packet transmit states in the sent field */
#define SCTP_DATAGRAM_UNSENT 0
#define SCTP_DATAGRAM_SENT 1
#define SCTP_DATAGRAM_RESEND1 2 /* not used (in code, but may
* hit this value) */
#define SCTP_DATAGRAM_RESEND2 3 /* not used (in code, but may
* hit this value) */
#define SCTP_DATAGRAM_RESEND 4
#define SCTP_DATAGRAM_ACKED 10010
#define SCTP_DATAGRAM_MARKED 20010
#define SCTP_FORWARD_TSN_SKIP 30010
/* chunk output send from locations */
#define SCTP_OUTPUT_FROM_USR_SEND 0
#define SCTP_OUTPUT_FROM_T3 1
#define SCTP_OUTPUT_FROM_INPUT_ERROR 2
#define SCTP_OUTPUT_FROM_CONTROL_PROC 3
#define SCTP_OUTPUT_FROM_SACK_TMR 4
#define SCTP_OUTPUT_FROM_SHUT_TMR 5
#define SCTP_OUTPUT_FROM_HB_TMR 6
#define SCTP_OUTPUT_FROM_SHUT_ACK_TMR 7
#define SCTP_OUTPUT_FROM_ASCONF_TMR 8
#define SCTP_OUTPUT_FROM_STRRST_TMR 9
#define SCTP_OUTPUT_FROM_AUTOCLOSE_TMR 10
#define SCTP_OUTPUT_FROM_EARLY_FR_TMR 11
#define SCTP_OUTPUT_FROM_STRRST_REQ 12
#define SCTP_OUTPUT_FROM_USR_RCVD 13
#define SCTP_OUTPUT_FROM_COOKIE_ACK 14
#define SCTP_OUTPUT_FROM_DRAIN 15
#define SCTP_OUTPUT_FROM_CLOSING 16
#define SCTP_OUTPUT_FROM_SOCKOPT 17
/* SCTP chunk types are moved sctp.h for application (NAT, FW) use */
/* align to 32-bit sizes */
#define SCTP_SIZE32(x) ((((x) + 3) >> 2) << 2)
#define IS_SCTP_CONTROL(a) ((a)->chunk_type != SCTP_DATA)
#define IS_SCTP_DATA(a) ((a)->chunk_type == SCTP_DATA)
/* SCTP parameter types */
/*************0x0000 series*************/
#define SCTP_HEARTBEAT_INFO 0x0001
#define SCTP_IPV4_ADDRESS 0x0005
#define SCTP_IPV6_ADDRESS 0x0006
#define SCTP_STATE_COOKIE 0x0007
#define SCTP_UNRECOG_PARAM 0x0008
#define SCTP_COOKIE_PRESERVE 0x0009
#define SCTP_HOSTNAME_ADDRESS 0x000b
#define SCTP_SUPPORTED_ADDRTYPE 0x000c
/* draft-ietf-stewart-tsvwg-strreset-xxx */
#define SCTP_STR_RESET_OUT_REQUEST 0x000d
#define SCTP_STR_RESET_IN_REQUEST 0x000e
#define SCTP_STR_RESET_TSN_REQUEST 0x000f
#define SCTP_STR_RESET_RESPONSE 0x0010
#define SCTP_STR_RESET_ADD_OUT_STREAMS 0x0011
#define SCTP_STR_RESET_ADD_IN_STREAMS 0x0012
#define SCTP_MAX_RESET_PARAMS 2
#define SCTP_STREAM_RESET_TSN_DELTA 0x1000
/*************0x4000 series*************/
/*************0x8000 series*************/
#define SCTP_ECN_CAPABLE 0x8000
/* draft-ietf-tsvwg-auth-xxx */
#define SCTP_RANDOM 0x8002
#define SCTP_CHUNK_LIST 0x8003
#define SCTP_HMAC_LIST 0x8004
/*
* draft-ietf-tsvwg-addip-sctp-xx param=0x8008 len=0xNNNN Byte | Byte | Byte
* | Byte Byte | Byte ...
*
* Where each byte is a chunk type extension supported. For example, to support
* all chunks one would have (in hex):
*
* 80 01 00 09 C0 C1 80 81 82 00 00 00
*
* Has the parameter. C0 = PR-SCTP (RFC3758) C1, 80 = ASCONF (addip draft) 81
* = Packet Drop 82 = Stream Reset 83 = Authentication
*/
#define SCTP_SUPPORTED_CHUNK_EXT 0x8008
/*************0xC000 series*************/
#define SCTP_PRSCTP_SUPPORTED 0xc000
/* draft-ietf-tsvwg-addip-sctp */
#define SCTP_ADD_IP_ADDRESS 0xc001
#define SCTP_DEL_IP_ADDRESS 0xc002
#define SCTP_ERROR_CAUSE_IND 0xc003
#define SCTP_SET_PRIM_ADDR 0xc004
#define SCTP_SUCCESS_REPORT 0xc005
#define SCTP_ULP_ADAPTATION 0xc006
/* behave-nat-draft */
#define SCTP_HAS_NAT_SUPPORT 0xc007
#define SCTP_NAT_VTAGS 0xc008
/* bits for TOS field */
#define SCTP_ECT0_BIT 0x02
#define SCTP_ECT1_BIT 0x01
#define SCTP_CE_BITS 0x03
/* below turns off above */
#define SCTP_FLEXIBLE_ADDRESS 0x20
#define SCTP_NO_HEARTBEAT 0x40
/* mask to get sticky */
#define SCTP_STICKY_OPTIONS_MASK 0x0c
/*
* SCTP states for internal state machine XXX (should match "user" values)
*/
#define SCTP_STATE_EMPTY 0x0000
#define SCTP_STATE_INUSE 0x0001
#define SCTP_STATE_COOKIE_WAIT 0x0002
#define SCTP_STATE_COOKIE_ECHOED 0x0004
#define SCTP_STATE_OPEN 0x0008
#define SCTP_STATE_SHUTDOWN_SENT 0x0010
#define SCTP_STATE_SHUTDOWN_RECEIVED 0x0020
#define SCTP_STATE_SHUTDOWN_ACK_SENT 0x0040
#define SCTP_STATE_SHUTDOWN_PENDING 0x0080
#define SCTP_STATE_CLOSED_SOCKET 0x0100
#define SCTP_STATE_ABOUT_TO_BE_FREED 0x0200
#define SCTP_STATE_PARTIAL_MSG_LEFT 0x0400
#define SCTP_STATE_WAS_ABORTED 0x0800
#define SCTP_STATE_IN_ACCEPT_QUEUE 0x1000
#define SCTP_STATE_MASK 0x007f
#define SCTP_GET_STATE(asoc) ((asoc)->state & SCTP_STATE_MASK)
#define SCTP_SET_STATE(asoc, newstate) ((asoc)->state = ((asoc)->state & ~SCTP_STATE_MASK) | newstate)
#define SCTP_CLEAR_SUBSTATE(asoc, substate) ((asoc)->state &= ~substate)
#define SCTP_ADD_SUBSTATE(asoc, substate) ((asoc)->state |= substate)
/* SCTP reachability state for each address */
#define SCTP_ADDR_REACHABLE 0x001
#define SCTP_ADDR_NO_PMTUD 0x002
#define SCTP_ADDR_NOHB 0x004
#define SCTP_ADDR_BEING_DELETED 0x008
#define SCTP_ADDR_NOT_IN_ASSOC 0x010
#define SCTP_ADDR_OUT_OF_SCOPE 0x080
#define SCTP_ADDR_UNCONFIRMED 0x200
#define SCTP_ADDR_REQ_PRIMARY 0x400
/* JRS 5/13/07 - Added potentially failed state for CMT PF */
#define SCTP_ADDR_PF 0x800
/* bound address types (e.g. valid address types to allow) */
#define SCTP_BOUND_V6 0x01
#define SCTP_BOUND_V4 0x02
/*
* what is the default number of mbufs in a chain I allow before switching to
* a cluster
*/
#define SCTP_DEFAULT_MBUFS_IN_CHAIN 5
/* How long a cookie lives in milli-seconds */
#define SCTP_DEFAULT_COOKIE_LIFE 60000
/* resource limit of streams */
#define MAX_SCTP_STREAMS 2048
/* Maximum the mapping array will grow to (TSN mapping array) */
#define SCTP_MAPPING_ARRAY 512
/* size of the inital malloc on the mapping array */
#define SCTP_INITIAL_MAPPING_ARRAY 16
/* how much we grow the mapping array each call */
#define SCTP_MAPPING_ARRAY_INCR 32
/*
* Here we define the timer types used by the implementation as 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_HEARTBEAT 3
#define SCTP_TIMER_PMTU 4
#define SCTP_TIMER_MAXSHUTDOWN 5
#define SCTP_TIMER_SIGNATURE 6
/*
* number of timer types in the base SCTP structure used in the set/get and
* has the base default.
*/
#define SCTP_NUM_TMRS 7
/* timer types */
#define SCTP_TIMER_TYPE_NONE 0
#define SCTP_TIMER_TYPE_SEND 1
#define SCTP_TIMER_TYPE_INIT 2
#define SCTP_TIMER_TYPE_RECV 3
#define SCTP_TIMER_TYPE_SHUTDOWN 4
#define SCTP_TIMER_TYPE_HEARTBEAT 5
#define SCTP_TIMER_TYPE_COOKIE 6
#define SCTP_TIMER_TYPE_NEWCOOKIE 7
#define SCTP_TIMER_TYPE_PATHMTURAISE 8
#define SCTP_TIMER_TYPE_SHUTDOWNACK 9
#define SCTP_TIMER_TYPE_ASCONF 10
#define SCTP_TIMER_TYPE_SHUTDOWNGUARD 11
#define SCTP_TIMER_TYPE_AUTOCLOSE 12
#define SCTP_TIMER_TYPE_EVENTWAKE 13
#define SCTP_TIMER_TYPE_STRRESET 14
#define SCTP_TIMER_TYPE_INPKILL 15
#define SCTP_TIMER_TYPE_ASOCKILL 16
#define SCTP_TIMER_TYPE_ADDR_WQ 17
#define SCTP_TIMER_TYPE_ZERO_COPY 18
#define SCTP_TIMER_TYPE_ZCOPY_SENDQ 19
#define SCTP_TIMER_TYPE_PRIM_DELETED 20
/* add new timers here - and increment LAST */
#define SCTP_TIMER_TYPE_LAST 21
#define SCTP_IS_TIMER_TYPE_VALID(t) (((t) > SCTP_TIMER_TYPE_NONE) && \
((t) < SCTP_TIMER_TYPE_LAST))
/* 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 amounts.
*/
/* How many drop re-attempts we make on INIT/COOKIE-ECHO */
#define SCTP_RETRY_DROPPED_THRESH 4
/*
* Maxmium number of chunks a single association can have on it. Note that
* this is a squishy number since the count can run over this if the user
* sends a large message down .. the fragmented chunks don't count until
* AFTER the message is on queue.. it would be the next send that blocks
* things. This number will get tuned up at boot in the sctp_init and use the
* number of clusters as a base. This way high bandwidth environments will
* not get impacted by the lower bandwidth sending a bunch of 1 byte chunks
*/
#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512
/* The conversion from time to ticks and vice versa is done by rounding
* upwards. This way we can test in the code the time to be positive and
* know that this corresponds to a positive number of ticks.
*/
#define MSEC_TO_TICKS(x) ((hz == 1000) ? x : ((((x) * hz) + 999) / 1000))
#define TICKS_TO_MSEC(x) ((hz == 1000) ? x : ((((x) * 1000) + (hz - 1)) / hz))
#define SEC_TO_TICKS(x) ((x) * hz)
#define TICKS_TO_SEC(x) (((x) + (hz - 1)) / hz)
/*
* Basically the minimum amount of time before I do a early FR. Making this
* value to low will cause duplicate retransmissions.
*/
#define SCTP_MINFR_MSEC_TIMER 250
/* The floor this value is allowed to fall to when starting a timer. */
#define SCTP_MINFR_MSEC_FLOOR 20
/* init timer def = 1 sec */
#define SCTP_INIT_SEC 1
/* send timer def = 1 seconds */
#define SCTP_SEND_SEC 1
/* recv timer def = 200ms */
#define SCTP_RECV_MSEC 200
/* 30 seconds + RTO (in ms) */
#define SCTP_HB_DEFAULT_MSEC 30000
/* Max time I will wait for Shutdown to complete */
#define SCTP_DEF_MAX_SHUTDOWN_SEC 180
/*
* This is how long a secret lives, NOT how long a cookie lives how many
* ticks the current secret will live.
*/
#define SCTP_DEFAULT_SECRET_LIFE_SEC 3600
#define SCTP_RTO_UPPER_BOUND (60000) /* 60 sec in ms */
#define SCTP_RTO_LOWER_BOUND (1000) /* 1 sec is ms */
#define SCTP_RTO_INITIAL (3000) /* 3 sec in ms */
#define SCTP_INP_KILL_TIMEOUT 20/* number of ms to retry kill of inpcb */
#define SCTP_ASOC_KILL_TIMEOUT 10 /* number of ms to retry kill of inpcb */
#define SCTP_DEF_MAX_INIT 8
#define SCTP_DEF_MAX_SEND 10
#define SCTP_DEF_MAX_PATH_RTX 5
#define SCTP_DEF_PATH_PF_THRESHOLD SCTP_DEF_MAX_PATH_RTX
#define SCTP_DEF_PMTU_RAISE_SEC 600 /* 10 min between raise attempts */
/* How many streams I request initally by default */
#define SCTP_OSTREAM_INITIAL 10
/*
* How many smallest_mtu's need to increase before a window update sack is
* sent (should be a power of 2).
*/
/* Send window update (incr * this > hiwat). Should be a power of 2 */
#define SCTP_MINIMAL_RWND (4096) /* minimal rwnd */
#define SCTP_ADDRMAX 16
/* SCTP DEBUG Switch parameters */
#define SCTP_DEBUG_TIMER1 0x00000001
#define SCTP_DEBUG_TIMER2 0x00000002 /* unused */
#define SCTP_DEBUG_TIMER3 0x00000004 /* unused */
#define SCTP_DEBUG_TIMER4 0x00000008
#define SCTP_DEBUG_OUTPUT1 0x00000010
#define SCTP_DEBUG_OUTPUT2 0x00000020
#define SCTP_DEBUG_OUTPUT3 0x00000040
#define SCTP_DEBUG_OUTPUT4 0x00000080
#define SCTP_DEBUG_UTIL1 0x00000100
#define SCTP_DEBUG_UTIL2 0x00000200 /* unused */
#define SCTP_DEBUG_AUTH1 0x00000400
#define SCTP_DEBUG_AUTH2 0x00000800 /* unused */
#define SCTP_DEBUG_INPUT1 0x00001000
#define SCTP_DEBUG_INPUT2 0x00002000
#define SCTP_DEBUG_INPUT3 0x00004000
#define SCTP_DEBUG_INPUT4 0x00008000 /* unused */
#define SCTP_DEBUG_ASCONF1 0x00010000
#define SCTP_DEBUG_ASCONF2 0x00020000
#define SCTP_DEBUG_OUTPUT5 0x00040000 /* unused */
#define SCTP_DEBUG_XXX 0x00080000 /* unused */
#define SCTP_DEBUG_PCB1 0x00100000
#define SCTP_DEBUG_PCB2 0x00200000 /* unused */
#define SCTP_DEBUG_PCB3 0x00400000
#define SCTP_DEBUG_PCB4 0x00800000
#define SCTP_DEBUG_INDATA1 0x01000000
#define SCTP_DEBUG_INDATA2 0x02000000 /* unused */
#define SCTP_DEBUG_INDATA3 0x04000000 /* unused */
#define SCTP_DEBUG_CRCOFFLOAD 0x08000000 /* unused */
#define SCTP_DEBUG_USRREQ1 0x10000000 /* unused */
#define SCTP_DEBUG_USRREQ2 0x20000000 /* unused */
#define SCTP_DEBUG_PEEL1 0x40000000
#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */
#define SCTP_DEBUG_ALL 0x7ff3ffff
#define SCTP_DEBUG_NOISY 0x00040000
/* What sender needs to see to avoid SWS or we consider peers rwnd 0 */
#define SCTP_SWS_SENDER_DEF 1420
/*
* SWS is scaled to the sb_hiwat of the socket. A value of 2 is hiwat/4, 1
* would be hiwat/2 etc.
*/
/* What receiver needs to see in sockbuf or we tell peer its 1 */
#define SCTP_SWS_RECEIVER_DEF 3000
#define SCTP_INITIAL_CWND 4380
#define SCTP_DEFAULT_MTU 1500 /* emergency default MTU */
/* amount peer is obligated to have in rwnd or I will abort */
#define SCTP_MIN_RWND 1500
#define SCTP_DEFAULT_MAXSEGMENT 65535
#define SCTP_CHUNK_BUFFER_SIZE 512
#define SCTP_PARAM_BUFFER_SIZE 512
/* small chunk store for looking at chunk_list in auth */
#define SCTP_SMALL_CHUNK_STORE 260
#define SCTP_DEFAULT_MINSEGMENT 512 /* MTU size ... if no mtu disc */
#define SCTP_HOW_MANY_SECRETS 2 /* how many secrets I keep */
#define SCTP_NUMBER_OF_SECRETS 8 /* or 8 * 4 = 32 octets */
#define SCTP_SECRET_SIZE 32 /* number of octets in a 256 bits */
/*
* SCTP upper layer notifications
*/
#define SCTP_NOTIFY_ASSOC_UP 1
#define SCTP_NOTIFY_ASSOC_DOWN 2
#define SCTP_NOTIFY_INTERFACE_DOWN 3
#define SCTP_NOTIFY_INTERFACE_UP 4
#define SCTP_NOTIFY_SENT_DG_FAIL 5
#define SCTP_NOTIFY_UNSENT_DG_FAIL 6
#define SCTP_NOTIFY_SPECIAL_SP_FAIL 7
#define SCTP_NOTIFY_ASSOC_LOC_ABORTED 8
#define SCTP_NOTIFY_ASSOC_REM_ABORTED 9
#define SCTP_NOTIFY_ASSOC_RESTART 10
#define SCTP_NOTIFY_PEER_SHUTDOWN 11
#define SCTP_NOTIFY_ASCONF_ADD_IP 12
#define SCTP_NOTIFY_ASCONF_DELETE_IP 13
#define SCTP_NOTIFY_ASCONF_SET_PRIMARY 14
#define SCTP_NOTIFY_PARTIAL_DELVIERY_INDICATION 15
#define SCTP_NOTIFY_INTERFACE_CONFIRMED 16
#define SCTP_NOTIFY_STR_RESET_RECV 17
#define SCTP_NOTIFY_STR_RESET_SEND 18
#define SCTP_NOTIFY_STR_RESET_FAILED_OUT 19
#define SCTP_NOTIFY_STR_RESET_FAILED_IN 20
#define SCTP_NOTIFY_STR_RESET_DENIED_OUT 21
#define SCTP_NOTIFY_STR_RESET_DENIED_IN 22
#define SCTP_NOTIFY_AUTH_NEW_KEY 23
#define SCTP_NOTIFY_AUTH_FREE_KEY 24
#define SCTP_NOTIFY_NO_PEER_AUTH 25
#define SCTP_NOTIFY_SENDER_DRY 26
#define SCTP_NOTIFY_REMOTE_ERROR 27
/* This is the value for messages that are NOT completely
* copied down where we will start to split the message.
* So, with our default, we split only if the piece we
* want to take will fill up a full MTU (assuming
* a 1500 byte MTU).
*/
#define SCTP_DEFAULT_SPLIT_POINT_MIN 2904
/* ABORT CODES and other tell-tale location
* codes are generated by adding the below
* to the instance id.
*/
/* File defines */
#define SCTP_FROM_SCTP_INPUT 0x10000000
#define SCTP_FROM_SCTP_PCB 0x20000000
#define SCTP_FROM_SCTP_INDATA 0x30000000
#define SCTP_FROM_SCTP_TIMER 0x40000000
#define SCTP_FROM_SCTP_USRREQ 0x50000000
#define SCTP_FROM_SCTPUTIL 0x60000000
#define SCTP_FROM_SCTP6_USRREQ 0x70000000
#define SCTP_FROM_SCTP_ASCONF 0x80000000
#define SCTP_FROM_SCTP_OUTPUT 0x90000000
#define SCTP_FROM_SCTP_PEELOFF 0xa0000000
#define SCTP_FROM_SCTP_PANDA 0xb0000000
#define SCTP_FROM_SCTP_SYSCTL 0xc0000000
/* Location ID's */
#define SCTP_LOC_1 0x00000001
#define SCTP_LOC_2 0x00000002
#define SCTP_LOC_3 0x00000003
#define SCTP_LOC_4 0x00000004
#define SCTP_LOC_5 0x00000005
#define SCTP_LOC_6 0x00000006
#define SCTP_LOC_7 0x00000007
#define SCTP_LOC_8 0x00000008
#define SCTP_LOC_9 0x00000009
#define SCTP_LOC_10 0x0000000a
#define SCTP_LOC_11 0x0000000b
#define SCTP_LOC_12 0x0000000c
#define SCTP_LOC_13 0x0000000d
#define SCTP_LOC_14 0x0000000e
#define SCTP_LOC_15 0x0000000f
#define SCTP_LOC_16 0x00000010
#define SCTP_LOC_17 0x00000011
#define SCTP_LOC_18 0x00000012
#define SCTP_LOC_19 0x00000013
#define SCTP_LOC_20 0x00000014
#define SCTP_LOC_21 0x00000015
#define SCTP_LOC_22 0x00000016
#define SCTP_LOC_23 0x00000017
#define SCTP_LOC_24 0x00000018
#define SCTP_LOC_25 0x00000019
#define SCTP_LOC_26 0x0000001a
#define SCTP_LOC_27 0x0000001b
#define SCTP_LOC_28 0x0000001c
#define SCTP_LOC_29 0x0000001d
#define SCTP_LOC_30 0x0000001e
#define SCTP_LOC_31 0x0000001f
#define SCTP_LOC_32 0x00000020
#define SCTP_LOC_33 0x00000021
/* Free assoc codes */
#define SCTP_NORMAL_PROC 0
#define SCTP_PCBFREE_NOFORCE 1
#define SCTP_PCBFREE_FORCE 2
/* From codes for adding addresses */
#define SCTP_ADDR_IS_CONFIRMED 8
#define SCTP_ADDR_DYNAMIC_ADDED 6
#define SCTP_IN_COOKIE_PROC 100
#define SCTP_ALLOC_ASOC 1
#define SCTP_LOAD_ADDR_2 2
#define SCTP_LOAD_ADDR_3 3
#define SCTP_LOAD_ADDR_4 4
#define SCTP_LOAD_ADDR_5 5
#define SCTP_DONOT_SETSCOPE 0
#define SCTP_DO_SETSCOPE 1
/* This value determines the default for when
* we try to add more on the send queue., if
* there is room. This prevents us from cycling
* into the copy_resume routine to often if
* we have not got enough space to add a decent
* enough size message. Note that if we have enough
* space to complete the message copy we will always
* add to the message, no matter what the size. Its
* only when we reach the point that we have some left
* to add, there is only room for part of it that we
* will use this threshold. Its also a sysctl.
*/
#define SCTP_DEFAULT_ADD_MORE 1452
#ifndef SCTP_PCBHASHSIZE
/* default number of association hash buckets in each endpoint */
#define SCTP_PCBHASHSIZE 256
#endif
#ifndef SCTP_TCBHASHSIZE
#define SCTP_TCBHASHSIZE 1024
#endif
#ifndef SCTP_CHUNKQUEUE_SCALE
#define SCTP_CHUNKQUEUE_SCALE 10
#endif
/* clock variance is 1 ms */
#define SCTP_CLOCK_GRANULARITY 1
#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 */
/* Argument magic number for sctp_inpcb_free() */
/* third argument */
#define SCTP_CALLED_DIRECTLY_NOCMPSET 0
#define SCTP_CALLED_AFTER_CMPSET_OFCLOSE 1
#define SCTP_CALLED_FROM_INPKILL_TIMER 2
/* second argument */
#define SCTP_FREE_SHOULD_USE_ABORT 1
#define SCTP_FREE_SHOULD_USE_GRACEFUL_CLOSE 0
#ifndef IPPROTO_SCTP
#define IPPROTO_SCTP 132 /* the Official IANA number :-) */
#endif /* !IPPROTO_SCTP */
#define SCTP_MAX_DATA_BUNDLING 256
/* modular comparison */
/* See RFC 1982 for details. */
#define SCTP_SSN_GT(a, b) (((a < b) && ((uint16_t)(b - a) > (1U<<15))) || \
((a > b) && ((uint16_t)(a - b) < (1U<<15))))
#define SCTP_SSN_GE(a, b) (SCTP_SSN_GT(a, b) || (a == b))
#define SCTP_TSN_GT(a, b) (((a < b) && ((uint32_t)(b - a) > (1U<<31))) || \
((a > b) && ((uint32_t)(a - b) < (1U<<31))))
#define SCTP_TSN_GE(a, b) (SCTP_TSN_GT(a, b) || (a == b))
/* Mapping array manipulation routines */
#define SCTP_IS_TSN_PRESENT(arry, gap) ((arry[(gap >> 3)] >> (gap & 0x07)) & 0x01)
#define SCTP_SET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] |= (0x01 << ((gap & 0x07))))
#define SCTP_UNSET_TSN_PRESENT(arry, gap) (arry[(gap >> 3)] &= ((~(0x01 << ((gap & 0x07)))) & 0xff))
#define SCTP_CALC_TSN_TO_GAP(gap, tsn, mapping_tsn) do { \
if (tsn >= mapping_tsn) { \
gap = tsn - mapping_tsn; \
} else { \
gap = (MAX_TSN - mapping_tsn) + tsn + 1; \
} \
} while (0)
#define SCTP_RETRAN_DONE -1
#define SCTP_RETRAN_EXIT -2
/*
* This value defines the number of vtag block time wait entry's per list
* element. Each entry will take 2 4 byte ints (and of course the overhead
* of the next pointer as well). Using 15 as an example will yield * ((8 *
* 15) + 8) or 128 bytes of overhead for each timewait block that gets
* initialized. Increasing it to 31 would yeild 256 bytes per block.
*/
#define SCTP_NUMBER_IN_VTAG_BLOCK 15
/*
* If we use the STACK option, we have an array of this size head pointers.
* This array is mod'd the with the size to find which bucket and then all
* entries must be searched to see if the tag is in timed wait. If so we
* reject it.
*/
#define SCTP_STACK_VTAG_HASH_SIZE 32
/*
* Number of seconds of time wait for a vtag.
*/
#define SCTP_TIME_WAIT 60
/* How many micro seconds is the cutoff from
* local lan type rtt's
*/
/*
* We allow 900us for the rtt.
*/
#define SCTP_LOCAL_LAN_RTT 900
#define SCTP_LAN_UNKNOWN 0
#define SCTP_LAN_LOCAL 1
#define SCTP_LAN_INTERNET 2
#define SCTP_SEND_BUFFER_SPLITTING 0x00000001
#define SCTP_RECV_BUFFER_SPLITTING 0x00000002
/* The system retains a cache of free chunks such to
* cut down on calls the memory allocation system. There
* is a per association limit of free items and a overall
* system limit. If either one gets hit then the resource
* stops being cached.
*/
#define SCTP_DEF_ASOC_RESC_LIMIT 10
#define SCTP_DEF_SYSTEM_RESC_LIMIT 1000
/*-
* defines for socket lock states.
* Used by __APPLE__ and SCTP_SO_LOCK_TESTING
*/
#define SCTP_SO_LOCKED 1
#define SCTP_SO_NOT_LOCKED 0
#define SCTP_HOLDS_LOCK 1
#define SCTP_NOT_LOCKED 0
/*-
* For address locks, do we hold the lock?
*/
#define SCTP_ADDR_LOCKED 1
#define SCTP_ADDR_NOT_LOCKED 0
#define IN4_ISPRIVATE_ADDRESS(a) \
((((uint8_t *)&(a)->s_addr)[0] == 10) || \
((((uint8_t *)&(a)->s_addr)[0] == 172) && \
(((uint8_t *)&(a)->s_addr)[1] >= 16) && \
(((uint8_t *)&(a)->s_addr)[1] <= 32)) || \
((((uint8_t *)&(a)->s_addr)[0] == 192) && \
(((uint8_t *)&(a)->s_addr)[1] == 168)))
#define IN4_ISLOOPBACK_ADDRESS(a) \
((((uint8_t *)&(a)->s_addr)[0] == 127) && \
(((uint8_t *)&(a)->s_addr)[1] == 0) && \
(((uint8_t *)&(a)->s_addr)[2] == 0) && \
(((uint8_t *)&(a)->s_addr)[3] == 1))
#if defined(_KERNEL)
#define SCTP_GETTIME_TIMEVAL(x) (getmicrouptime(x))
#define SCTP_GETPTIME_TIMEVAL(x) (microuptime(x))
#endif
#if defined(_KERNEL) || defined(__Userspace__)
#define sctp_sowwakeup(inp, so) \
do { \
if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
} else { \
sowwakeup(so); \
} \
} while (0)
#define sctp_sowwakeup_locked(inp, so) \
do { \
if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
SOCKBUF_UNLOCK(&((so)->so_snd)); \
inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEOUTPUT; \
} else { \
sowwakeup_locked(so); \
} \
} while (0)
#define sctp_sorwakeup(inp, so) \
do { \
if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
} else { \
sorwakeup(so); \
} \
} while (0)
#define sctp_sorwakeup_locked(inp, so) \
do { \
if (inp->sctp_flags & SCTP_PCB_FLAGS_DONT_WAKE) { \
inp->sctp_flags |= SCTP_PCB_FLAGS_WAKEINPUT; \
SOCKBUF_UNLOCK(&((so)->so_rcv)); \
} else { \
sorwakeup_locked(so); \
} \
} while (0)
#endif /* _KERNEL || __Userspace__ */
#endif