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Diffstat (limited to 'netwerk/sctp/src/netinet/sctp_constants.h')
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1 files changed, 1094 insertions, 0 deletions
diff --git a/netwerk/sctp/src/netinet/sctp_constants.h b/netwerk/sctp/src/netinet/sctp_constants.h new file mode 100755 index 000000000..ff4874d9d --- /dev/null +++ b/netwerk/sctp/src/netinet/sctp_constants.h @@ -0,0 +1,1094 @@ +/*- + * 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. + */ + +#ifdef __FreeBSD__ +#include <sys/cdefs.h> +__FBSDID("$FreeBSD: head/sys/netinet/sctp_constants.h 271204 2014-09-06 19:12:14Z tuexen $"); +#endif + +#ifndef _NETINET_SCTP_CONSTANTS_H_ +#define _NETINET_SCTP_CONSTANTS_H_ + +#if defined(__Userspace_os_Windows) +extern void getwintimeofday(struct timeval *tv); +#endif + +/* IANA assigned port number for SCTP over UDP encapsulation */ +#define SCTP_OVER_UDP_TUNNELING_PORT 9899 + +/* 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 MULTIPLE_ASCONF mode enable(1)/disable(0) value (sysctl) */ +#define SCTP_DEFAULT_MULTIPLE_ASCONFS 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 +#define SCTP_DATAGRAM_NR_ACKED 40010 + +/* 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 +#if defined(__Userspace__) +#define SCTP_CONN_ADDRESS 0x0004 +#endif +#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 + +/* 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)) + + +#if defined(__APPLE__) +/* Number of ticks to run the main timer at in msec */ +#define SCTP_MAIN_TIMER_DEFAULT 10 +#endif + +/* 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 + */ +#ifdef __Panda__ +#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 10240 +#else +#define SCTP_ASOC_MAX_CHUNKS_ON_QUEUE 512 +#endif + + +/* 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 +#define SCTP_ISTREAM_INITIAL 2048 + +/* + * 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 +#if defined(__Userspace__) +#define SCTP_DEBUG_USR 0x80000000 +#else +#define SCTP_DEBUG_XXXXX 0x80000000 /* unused */ +#endif +#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_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 + +/* Maximum length of diagnostic information in error causes */ +#define SCTP_DIAG_INFO_LEN 64 + +/* 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 + +#ifdef __FreeBSD__ +/* clock variance is 1 ms */ +#define SCTP_CLOCK_GRANULARITY 1 +#else +/* clock variance is 10 ms */ +#define SCTP_CLOCK_GRANULARITY 10 +#endif +#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)) + +#define IN4_ISLINKLOCAL_ADDRESS(a) \ + ((((uint8_t *)&(a)->s_addr)[0] == 169) && \ + (((uint8_t *)&(a)->s_addr)[1] == 254)) + +#if defined(__Userspace__) +#if defined(__Userspace_os_Windows) +#define SCTP_GETTIME_TIMEVAL(x) getwintimeofday(x) +#define SCTP_GETPTIME_TIMEVAL(x) getwintimeofday(x) /* this doesn't seem to ever be used.. */ +#else +#define SCTP_GETTIME_TIMEVAL(x) gettimeofday(x, NULL) +#define SCTP_GETPTIME_TIMEVAL(x) gettimeofday(x, NULL) +#endif +#endif + +#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) + +#if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__) +#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) +#else +#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(so); \ + } \ +} while (0) +#endif + +#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) + +#if defined(__FreeBSD__) || defined(__Windows__) || defined(__Userspace__) +#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) +#else + +#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(so); \ + } \ +} while (0) +#endif + +#endif /* _KERNEL || __Userspace__*/ +#endif |