/* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $ */ /* $NetBSD: sctp.h,v 1.7 2025/02/28 09:07:12 andvar Exp $ */ #ifndef _NETINET_SCTP_H_ #define _NETINET_SCTP_H_ /* * Copyright (c) 2001, 2002, 2003, 2004 Cisco Systems, Inc. * All rights reserved. * * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Cisco Systems, Inc. * 4. Neither the name of the project 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 CISCO SYSTEMS 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 CISCO SYSTEMS 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/types.h> /* * SCTP protocol - RFC2960. */ struct sctphdr { u_int16_t src_port; /* source port */ u_int16_t dest_port; /* destination port */ u_int32_t v_tag; /* verification tag of packet */ u_int32_t checksum; /* Adler32 C-Sum */ /* chunks follow... */ } __packed; /* * SCTP Chunks */ struct sctp_chunkhdr { u_int8_t chunk_type; /* chunk type */ u_int8_t chunk_flags; /* chunk flags */ u_int16_t chunk_length; /* chunk length */ /* optional params follow */ } __packed; /* * SCTP chunk parameters */ struct sctp_paramhdr { u_int16_t param_type; /* parameter type */ u_int16_t param_length; /* parameter length */ } __packed; /* * user socket options */ /* read-write options */ #define SCTP_NODELAY 0x00000001 #define SCTP_MAXSEG 0x00000002 #define SCTP_ASSOCINFO 0x00000003 #define SCTP_INITMSG 0x00000004 #define SCTP_AUTOCLOSE 0x00000005 #define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 #define SCTP_PRIMARY_ADDR 0x00000007 /* read-only options */ #define SCTP_STATUS 0x00000008 #define SCTP_PCB_STATUS 0x00000009 /* ancillary data/notification interest options */ #define SCTP_EVENTS 0x0000000a /* sctp_opt_info params */ #define SCTP_PEER_ADDR_PARAMS 0x0000000b #define SCTP_GET_PEER_ADDR_INFO 0x0000000c /* Hidden socket option that gets the addresses */ #define SCTP_GET_PEER_ADDRESSES 0x0000000d #define SCTP_GET_LOCAL_ADDRESSES 0x0000000e /* * Blocking I/O is enabled on any TCP type socket by default. * For the UDP model if this is turned on then the socket buffer is * shared for send resources amongst all associations. The default * for the UDP model is that is SS_NBIO is set. Which means all associations * have a separate send limit BUT they will NOT ever BLOCK instead * you will get an error back EAGAIN if you try to send too much. If * you want the blocking symantics you set this option at the cost * of sharing one socket send buffer size amongst all associations. * Peeled off sockets turn this option off and block... but since both TCP and * peeled off sockets have only one assoc per socket this is fine. * It probably does NOT make sense to set this on SS_NBIO on a TCP model OR * peeled off UDP model, but we do allow you to do so. You just use * the normal syscall to toggle SS_NBIO the way you want. */ /* Blocking I/O is controlled by the SS_NBIO flag on the * socket state so_state field. */ #define SCTP_GET_SNDBUF_USE 0x0000000f /* latter added read/write */ #define SCTP_ADAPTION_LAYER 0x00000010 #define SCTP_DISABLE_FRAGMENTS 0x00000011 /* sctp_bindx() flags as socket options */ #define SCTP_BINDX_ADD_ADDR 0x00000012 #define SCTP_BINDX_REM_ADDR 0x00000013 /* return the total count in bytes needed to hold all local addresses bound */ #define SCTP_GET_LOCAL_ADDR_SIZE 0x00000014 /* Without this applied we will give V4 and V6 addresses on a V6 socket */ #define SCTP_I_WANT_MAPPED_V4_ADDR 0x00000015 /* Return the total count in bytes needed to hold the remote address */ #define SCTP_GET_REMOTE_ADDR_SIZE 0x00000016 #define SCTP_GET_PEGS 0x00000017 #define SCTP_DEFAULT_SEND_PARAM 0x00000018 #define SCTP_SET_DEBUG_LEVEL 0x00000019 #define SCTP_RTOINFO 0x0000001a #define SCTP_AUTO_ASCONF 0x0000001b #define SCTP_MAXBURST 0x0000001c #define SCTP_GET_STAT_LOG 0x0000001d #define SCTP_CONNECT_X 0x0000001e /* hidden opt for connectx */ #define SCTP_RESET_STREAMS 0x0000001f #define SCTP_CONNECT_X_DELAYED 0x00000020 /* hidden opt for connectx_delayed * part of sctp_sendx() */ #define SCTP_CONNECT_X_COMPLETE 0x00000021 #define SCTP_GET_ASOC_ID_LIST 0x00000022 /* Other BSD items */ #define SCTP_GET_NONCE_VALUES 0x00000023 #define SCTP_DELAYED_ACK_TIME 0x00000024 /* Things for the AUTH draft possibly */ #define SCTP_PEER_PUBLIC_KEY 0x00000100 /* get the peers public key */ #define SCTP_MY_PUBLIC_KEY 0x00000101 /* get/set my endpoints public key */ #define SCTP_SET_AUTH_SECRET 0x00000102 /* get/set my shared secret */ #define SCTP_SET_AUTH_CHUNKS 0x00000103 /* specify what chunks you want * the system may have additional requirements * as well. I.e. probably ASCONF/ASCONF-ACK no matter * if you want it or not. */ /* Debug things that need to be purged */ #define SCTP_SET_INITIAL_DBG_SEQ 0x00001f00 #define SCTP_RESET_PEGS 0x00002000 #define SCTP_CLR_STAT_LOG 0x00002100 /* * user state values */ #define SCTP_CLOSED 0x0000 #define SCTP_BOUND 0x1000 #define SCTP_LISTEN 0x2000 #define SCTP_COOKIE_WAIT 0x0002 #define SCTP_COOKIE_ECHOED 0x0004 #define SCTP_ESTABLISHED 0x0008 #define SCTP_SHUTDOWN_SENT 0x0010 #define SCTP_SHUTDOWN_RECEIVED 0x0020 #define SCTP_SHUTDOWN_ACK_SENT 0x0040 #define SCTP_SHUTDOWN_PENDING 0x0080 /* * SCTP operational error codes (user visible) */ #define SCTP_ERROR_NO_ERROR 0x0000 #define SCTP_ERROR_INVALID_STREAM 0x0001 #define SCTP_ERROR_MISSING_PARAM 0x0002 #define SCTP_ERROR_STALE_COOKIE 0x0003 #define SCTP_ERROR_OUT_OF_RESOURCES 0x0004 #define SCTP_ERROR_UNRESOLVABLE_ADDR 0x0005 #define SCTP_ERROR_UNRECOG_CHUNK 0x0006 #define SCTP_ERROR_INVALID_PARAM 0x0007 #define SCTP_ERROR_UNRECOG_PARAM 0x0008 #define SCTP_ERROR_NO_USER_DATA 0x0009 #define SCTP_ERROR_COOKIE_IN_SHUTDOWN 0x000a /* draft-ietf-tsvwg-sctpimpguide */ #define SCTP_ERROR_RESTART_NEWADDRS 0x000b /* draft-ietf-tsvwg-addip-sctp */ #define SCTP_ERROR_DELETE_LAST_ADDR 0x0100 #define SCTP_ERROR_RESOURCE_SHORTAGE 0x0101 #define SCTP_ERROR_DELETE_SOURCE_ADDR 0x0102 #define SCTP_ERROR_ILLEGAL_ASCONF_ACK 0x0103 /* * error cause parameters (user visible) */ struct sctp_error_cause { u_int16_t code; u_int16_t length; /* optional cause-specific info may follow */ } __packed; struct sctp_error_invalid_stream { struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */ u_int16_t stream_id; /* stream id of the DATA in error */ u_int16_t reserved; } __packed; struct sctp_error_missing_param { struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */ u_int32_t num_missing_params; /* number of missing parameters */ /* u_int16_t param_type's follow */ } __packed; struct sctp_error_stale_cookie { struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */ u_int32_t stale_time; /* time in usec of staleness */ } __packed; struct sctp_error_out_of_resource { struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */ } __packed; struct sctp_error_unresolv_addr { struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */ } __packed; struct sctp_error_unrecognized_chunk { struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */ struct sctp_chunkhdr ch; /* header from chunk in error */ } __packed; #define HAVE_SCTP 1 #define HAVE_KERNEL_SCTP 1 #define HAVE_SCTP_PRSCTP 1 #define HAVE_SCTP_ADDIP 1 #define HAVE_SCTP_CANSET_PRIMARY 1 #define HAVE_SCTP_SAT_NETWORK_CAPABILITY1 #define HAVE_SCTP_MULTIBUF 1 #define HAVE_SCTP_NOCONNECT 0 #define HAVE_SCTP_ECN_NONCE 1 /* ECN Nonce option */ /* Main SCTP chunk types, we place * these here since that way natd and f/w's * in user land can find them. */ #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_ERROR 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 /* draft-ietf-tsvwg-addip-sctp */ #define SCTP_ASCONF 0xc1 #define SCTP_ASCONF_ACK 0x80 /* draft-ietf-stewart-prsctp */ #define SCTP_FORWARD_CUM_TSN 0xc0 /* draft-ietf-stewart-pktdrpsctp */ #define SCTP_PACKET_DROPPED 0x81 /* draft-ietf-stewart-strreset-xxx */ #define SCTP_STREAM_RESET 0x82 /* ABORT and SHUTDOWN COMPLETE FLAG */ #define SCTP_HAD_NO_TCB 0x01 /* Packet dropped flags */ #define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB #define SCTP_BADCRC 0x02 #define SCTP_PACKET_TRUNCATED 0x04 #define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite time */ #define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst in sat */ /* Data Chunk 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 /* ECN Nonce: SACK Chunk Specific Flags */ #define SCTP_SACK_NONCE_SUM 0x01 #include <netinet/sctp_uio.h> #endif /* !_NETINET_SCTP_H_ */
