/*- * Copyright (c) 2001-2007, by 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: * * 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. */ /* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $ */ #include __FBSDID("$FreeBSD$"); #ifndef _NETINET_SCTP_H_ #define _NETINET_SCTP_H_ #include /* * SCTP protocol - RFC2960. */ struct sctphdr { uint16_t src_port; /* source port */ uint16_t dest_port; /* destination port */ uint32_t v_tag; /* verification tag of packet */ uint32_t checksum; /* Adler32 C-Sum */ /* chunks follow... */ }; /* * SCTP Chunks */ struct sctp_chunkhdr { uint8_t chunk_type; /* chunk type */ uint8_t chunk_flags; /* chunk flags */ uint16_t chunk_length; /* chunk length */ /* optional params follow */ }; /* * SCTP chunk parameters */ struct sctp_paramhdr { uint16_t param_type; /* parameter type */ uint16_t param_length; /* parameter length */ }; /* * user socket options: socket API defined */ /* * read-write options */ #define SCTP_RTOINFO 0x00000001 #define SCTP_ASSOCINFO 0x00000002 #define SCTP_INITMSG 0x00000003 #define SCTP_NODELAY 0x00000004 #define SCTP_AUTOCLOSE 0x00000005 #define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006 #define SCTP_PRIMARY_ADDR 0x00000007 #define SCTP_ADAPTATION_LAYER 0x00000008 /* same as above */ #define SCTP_ADAPTION_LAYER 0x00000008 #define SCTP_DISABLE_FRAGMENTS 0x00000009 #define SCTP_PEER_ADDR_PARAMS 0x0000000a #define SCTP_DEFAULT_SEND_PARAM 0x0000000b /* ancillary data/notification interest options */ #define SCTP_EVENTS 0x0000000c /* Without this applied we will give V4 and V6 addresses on a V6 socket */ #define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d #define SCTP_MAXSEG 0x0000000e #define SCTP_DELAYED_SACK 0x0000000f #define SCTP_FRAGMENT_INTERLEAVE 0x00000010 #define SCTP_PARTIAL_DELIVERY_POINT 0x00000011 /* authentication support */ #define SCTP_AUTH_CHUNK 0x00000012 #define SCTP_AUTH_KEY 0x00000013 #define SCTP_HMAC_IDENT 0x00000014 #define SCTP_AUTH_ACTIVE_KEY 0x00000015 #define SCTP_AUTH_DELETE_KEY 0x00000016 #define SCTP_USE_EXT_RCVINFO 0x00000017 #define SCTP_AUTO_ASCONF 0x00000018 /* rw */ #define SCTP_MAXBURST 0x00000019 /* rw */ #define SCTP_MAX_BURST 0x00000019 /* rw */ /* assoc level context */ #define SCTP_CONTEXT 0x0000001a /* rw */ /* explict EOR signalling */ #define SCTP_EXPLICIT_EOR 0x0000001b /* * read-only options */ #define SCTP_STATUS 0x00000100 #define SCTP_GET_PEER_ADDR_INFO 0x00000101 /* authentication support */ #define SCTP_PEER_AUTH_CHUNKS 0x00000102 #define SCTP_LOCAL_AUTH_CHUNKS 0x00000103 #define SCTP_GET_ASSOC_NUMBER 0x00000104 /* ro */ #define SCTP_GET_ASSOC_ID_LIST 0x00000105 /* ro */ /* * user socket options: BSD implementation specific */ /* * 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 seperate send * limit BUT they will NOT ever BLOCK instead you will get an error back * EAGAIN if you try to send to 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 controled by the SS_NBIO flag on the socket state so_state * field. */ /* these should probably go into sockets API */ #define SCTP_RESET_STREAMS 0x00001004 /* wo */ /* here on down are more implementation specific */ #define SCTP_SET_DEBUG_LEVEL 0x00001005 #define SCTP_CLR_STAT_LOG 0x00001007 /* CMT ON/OFF socket option */ #define SCTP_CMT_ON_OFF 0x00001200 #define SCTP_CMT_USE_DAC 0x00001201 /* read only */ #define SCTP_GET_SNDBUF_USE 0x00001101 #define SCTP_GET_STAT_LOG 0x00001103 #define SCTP_PCB_STATUS 0x00001104 #define SCTP_GET_NONCE_VALUES 0x00001105 /* Special hook for dynamically setting primary for all assoc's, * this is a write only option that requires root privledge. */ #define SCTP_SET_DYNAMIC_PRIMARY 0x00002001 /* VRF (virtual router feature) and multi-VRF support * options. VRF's provide splits within a router * that give the views of multiple routers. A * standard host, without VRF support, is just * a single VRF. If VRF's are supported then * the transport must be VRF aware. This means * that every socket call coming in must be directed * within the endpoint to one of the VRF's it belongs * to. The endpoint, before binding, may select * the "default" VRF it is in by using a set socket * option with SCTP_VRF_ID. This will also * get propegated to the default VRF. Once the * endpoint binds an address then it CANNOT add * additional VRF's to become a Multi-VRF endpoint. * * Before BINDING additional VRF's can be added with * the SCTP_ADD_VRF_ID call or deleted with * SCTP_DEL_VRF_ID. * * Associations are ALWAYS contained inside a single * VRF. They cannot reside in two (or more) VRF's. Incoming * packets, assuming the router is VRF aware, can always * tell us what VRF they arrived on. A host not supporting * any VRF's will find that the packets always arrived on the * single VRF that the host has. * */ #define SCTP_VRF_ID 0x00003001 #define SCTP_ADD_VRF_ID 0x00003002 #define SCTP_GET_VRF_IDS 0x00003003 #define SCTP_GET_ASOC_VRF 0x00003004 #define SCTP_DEL_VRF_ID 0x00003005 /* * If you enable packet logging you can get * a poor mans ethereal output in binary * form. Note this is a compile option to * the kernel, SCTP_PACKET_LOGGING, and * without it in your kernel you * will get a ENOSUPPORT. */ #define SCTP_GET_PACKET_LOG 0x00004001 /* * hidden implementation specific options these are NOT user visible (should * move out of sctp.h) */ /* sctp_bindx() flags as hidden socket options */ #define SCTP_BINDX_ADD_ADDR 0x00008001 #define SCTP_BINDX_REM_ADDR 0x00008002 /* Hidden socket option that gets the addresses */ #define SCTP_GET_PEER_ADDRESSES 0x00008003 #define SCTP_GET_LOCAL_ADDRESSES 0x00008004 /* return the total count in bytes needed to hold all local addresses bound */ #define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005 /* Return the total count in bytes needed to hold the remote address */ #define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006 /* hidden option for connectx */ #define SCTP_CONNECT_X 0x00008007 /* hidden option for connectx_delayed, part of sendx */ #define SCTP_CONNECT_X_DELAYED 0x00008008 #define SCTP_CONNECT_X_COMPLETE 0x00008009 /* hidden socket option based sctp_peeloff */ #define SCTP_PEELOFF 0x0000800a /* the real worker for sctp_getaddrlen() */ #define SCTP_GET_ADDR_LEN 0x0000800b /* temporary workaround for Apple listen() issue, no args used */ #define SCTP_LISTEN_FIX 0x0000800c /* Debug things that need to be purged */ #define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00 /* fragment interleave constants * setting must be one of these or * EINVAL returned. */ #define SCTP_FRAG_LEVEL_0 0x00000000 #define SCTP_FRAG_LEVEL_1 0x00000001 #define SCTP_FRAG_LEVEL_2 0x00000002 /* * 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_CAUSE_NO_ERROR 0x0000 #define SCTP_CAUSE_INVALID_STREAM 0x0001 #define SCTP_CAUSE_MISSING_PARAM 0x0002 #define SCTP_CAUSE_STALE_COOKIE 0x0003 #define SCTP_CAUSE_OUT_OF_RESC 0x0004 #define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005 #define SCTP_CAUSE_UNRECOG_CHUNK 0x0006 #define SCTP_CAUSE_INVALID_PARAM 0x0007 #define SCTP_CAUSE_UNRECOG_PARAM 0x0008 #define SCTP_CAUSE_NO_USER_DATA 0x0009 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a #define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b #define SCTP_CAUSE_USER_INITIATED_ABT 0x000c #define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d /* Error causes from draft-ietf-tsvwg-addip-sctp */ #define SCTP_CAUSE_DELETING_LAST_ADDR 0x0100 #define SCTP_CAUSE_RESOURCE_SHORTAGE 0x0101 #define SCTP_CAUSE_DELETING_SRC_ADDR 0x0102 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x0103 #define SCTP_CAUSE_REQUEST_REFUSED 0x0104 /* Error causes from draft-ietf-tsvwg-sctp-auth */ #define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105 /* * error cause parameters (user visisble) */ struct sctp_error_cause { uint16_t code; uint16_t length; /* optional cause-specific info may follow */ }; struct sctp_error_invalid_stream { struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */ uint16_t stream_id; /* stream id of the DATA in error */ uint16_t reserved; }; struct sctp_error_missing_param { struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */ uint32_t num_missing_params; /* number of missing parameters */ /* uint16_t param_type's follow */ }; struct sctp_error_stale_cookie { struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */ uint32_t stale_time; /* time in usec of staleness */ }; struct sctp_error_out_of_resource { struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */ }; struct sctp_error_unresolv_addr { struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */ }; struct sctp_error_unrecognized_chunk { struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */ struct sctp_chunkhdr ch;/* header from chunk in error */ }; #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_CAPABILITY 1 #define HAVE_SCTP_MULTIBUF 1 #define HAVE_SCTP_NOCONNECT 0 #define HAVE_SCTP_ECN_NONCE 1 /* ECN Nonce option */ #define HAVE_SCTP_AUTH 1 #define HAVE_SCTP_EXT_RCVINFO 1 #define HAVE_SCTP_CONNECTX 1 /* * Main SCTP chunk types we place these here so natd and f/w's in user land * can find them. */ /************0x00 series ***********/ #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-sctp-auth */ #define SCTP_AUTHENTICATION 0x0f /************0x40 series ***********/ /************0x80 series ***********/ /* draft-ietf-tsvwg-addip-sctp */ #define SCTP_ASCONF_ACK 0x80 /* draft-ietf-stewart-pktdrpsctp */ #define SCTP_PACKET_DROPPED 0x81 /* draft-ietf-stewart-strreset-xxx */ #define SCTP_STREAM_RESET 0x82 /************0xc0 series ***********/ /* RFC3758 */ #define SCTP_FORWARD_CUM_TSN 0xc0 /* draft-ietf-tsvwg-addip-sctp */ #define SCTP_ASCONF 0xc1 /* 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 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 /* ECN Nonce: SACK Chunk Specific Flags */ #define SCTP_SACK_NONCE_SUM 0x01 /* CMT DAC algorithm SACK flag */ #define SCTP_SACK_CMT_DAC 0x80 /* * PCB flags (in sctp_flags bitmask). * Note the features and flags are meant * for use by netstat. */ #define SCTP_PCB_FLAGS_UDPTYPE 0x00000001 #define SCTP_PCB_FLAGS_TCPTYPE 0x00000002 #define SCTP_PCB_FLAGS_BOUNDALL 0x00000004 #define SCTP_PCB_FLAGS_ACCEPTING 0x00000008 #define SCTP_PCB_FLAGS_UNBOUND 0x00000010 #define SCTP_PCB_FLAGS_LISTENING 0x00000020 #define SCTP_PCB_FLAGS_CLOSE_IP 0x00040000 #define SCTP_PCB_FLAGS_WAS_CONNECTED 0x00080000 #define SCTP_PCB_FLAGS_WAS_ABORTED 0x00100000 /* TCP model support */ #define SCTP_PCB_FLAGS_CONNECTED 0x00200000 #define SCTP_PCB_FLAGS_IN_TCPPOOL 0x00400000 #define SCTP_PCB_FLAGS_DONT_WAKE 0x00800000 #define SCTP_PCB_FLAGS_WAKEOUTPUT 0x01000000 #define SCTP_PCB_FLAGS_WAKEINPUT 0x02000000 #define SCTP_PCB_FLAGS_BOUND_V6 0x04000000 #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4 0x08000000 #define SCTP_PCB_FLAGS_BLOCKING_IO 0x10000000 #define SCTP_PCB_FLAGS_SOCKET_GONE 0x20000000 #define SCTP_PCB_FLAGS_SOCKET_ALLGONE 0x40000000 /* flags to copy to new PCB */ #define SCTP_PCB_COPY_FLAGS 0x0e000004 /* * PCB Features (in sctp_features bitmask) */ #define SCTP_PCB_FLAGS_EXT_RCVINFO 0x00000002 #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT 0x00000004 #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE 0x00000008 #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS 0x00000010 #define SCTP_PCB_FLAGS_DO_ASCONF 0x00000020 #define SCTP_PCB_FLAGS_AUTO_ASCONF 0x00000040 #define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x00000080 /* socket options */ #define SCTP_PCB_FLAGS_NODELAY 0x00000100 #define SCTP_PCB_FLAGS_AUTOCLOSE 0x00000200 #define SCTP_PCB_FLAGS_RECVDATAIOEVNT 0x00000400 #define SCTP_PCB_FLAGS_RECVASSOCEVNT 0x00000800 #define SCTP_PCB_FLAGS_RECVPADDREVNT 0x00001000 #define SCTP_PCB_FLAGS_RECVPEERERR 0x00002000 #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT 0x00004000 #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT 0x00008000 #define SCTP_PCB_FLAGS_ADAPTATIONEVNT 0x00010000 #define SCTP_PCB_FLAGS_PDAPIEVNT 0x00020000 #define SCTP_PCB_FLAGS_AUTHEVNT 0x00040000 #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x00080000 #define SCTP_PCB_FLAGS_NO_FRAGMENT 0x00100000 #define SCTP_PCB_FLAGS_EXPLICIT_EOR 0x00400000 #define SCTP_SMALLEST_PMTU 512 /* smallest pmtu allowed when disabling PMTU * discovery */ #include #define SCTP_PACKET_LOG_SIZE 65536 #endif /* !_NETINET_SCTP_H_ */