xref: /freebsd/sys/netinet/sctp.h (revision c4739e2f478736687f85dfb28db95587d3e8d7a8)
1f8829a4aSRandall Stewart /*-
2b1006367SRandall Stewart  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
3f8829a4aSRandall Stewart  *
4f8829a4aSRandall Stewart  * Redistribution and use in source and binary forms, with or without
5f8829a4aSRandall Stewart  * modification, are permitted provided that the following conditions are met:
6f8829a4aSRandall Stewart  *
7f8829a4aSRandall Stewart  * a) Redistributions of source code must retain the above copyright notice,
8f8829a4aSRandall Stewart  *   this list of conditions and the following disclaimer.
9f8829a4aSRandall Stewart  *
10f8829a4aSRandall Stewart  * b) Redistributions in binary form must reproduce the above copyright
11f8829a4aSRandall Stewart  *    notice, this list of conditions and the following disclaimer in
12f8829a4aSRandall Stewart  *   the documentation and/or other materials provided with the distribution.
13f8829a4aSRandall Stewart  *
14f8829a4aSRandall Stewart  * c) Neither the name of Cisco Systems, Inc. nor the names of its
15f8829a4aSRandall Stewart  *    contributors may be used to endorse or promote products derived
16f8829a4aSRandall Stewart  *    from this software without specific prior written permission.
17f8829a4aSRandall Stewart  *
18f8829a4aSRandall Stewart  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19f8829a4aSRandall Stewart  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20f8829a4aSRandall Stewart  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21f8829a4aSRandall Stewart  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22f8829a4aSRandall Stewart  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23f8829a4aSRandall Stewart  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24f8829a4aSRandall Stewart  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25f8829a4aSRandall Stewart  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26f8829a4aSRandall Stewart  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27f8829a4aSRandall Stewart  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28f8829a4aSRandall Stewart  * THE POSSIBILITY OF SUCH DAMAGE.
29f8829a4aSRandall Stewart  */
30f8829a4aSRandall Stewart /* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $	 */
31f8829a4aSRandall Stewart 
32f8829a4aSRandall Stewart #include <sys/cdefs.h>
33f8829a4aSRandall Stewart __FBSDID("$FreeBSD$");
34f8829a4aSRandall Stewart 
35f8829a4aSRandall Stewart #ifndef _NETINET_SCTP_H_
36f8829a4aSRandall Stewart #define _NETINET_SCTP_H_
37f8829a4aSRandall Stewart 
38f8829a4aSRandall Stewart #include <sys/types.h>
39f8829a4aSRandall Stewart 
40f8829a4aSRandall Stewart /*
41f8829a4aSRandall Stewart  * SCTP protocol - RFC2960.
42f8829a4aSRandall Stewart  */
43f8829a4aSRandall Stewart 
44f8829a4aSRandall Stewart struct sctphdr {
45f8829a4aSRandall Stewart 	uint16_t src_port;	/* source port */
46f8829a4aSRandall Stewart 	uint16_t dest_port;	/* destination port */
47f8829a4aSRandall Stewart 	uint32_t v_tag;		/* verification tag of packet */
48f8829a4aSRandall Stewart 	uint32_t checksum;	/* Adler32 C-Sum */
49f8829a4aSRandall Stewart 	/* chunks follow... */
5035918f85SRandall Stewart }
5135918f85SRandall Stewart 
5235918f85SRandall Stewart __attribute__((packed));
53f8829a4aSRandall Stewart 
54f8829a4aSRandall Stewart /*
55f8829a4aSRandall Stewart  * SCTP Chunks
56f8829a4aSRandall Stewart  */
57f8829a4aSRandall Stewart 	struct sctp_chunkhdr {
58f8829a4aSRandall Stewart 		uint8_t chunk_type;	/* chunk type */
59f8829a4aSRandall Stewart 		uint8_t chunk_flags;	/* chunk flags */
60f8829a4aSRandall Stewart 		uint16_t chunk_length;	/* chunk length */
61f8829a4aSRandall Stewart 		/* optional params follow */
6235918f85SRandall Stewart 	}             __attribute__((packed));
63f8829a4aSRandall Stewart 
64f8829a4aSRandall Stewart /*
65f8829a4aSRandall Stewart  * SCTP chunk parameters
66f8829a4aSRandall Stewart  */
67f8829a4aSRandall Stewart 	struct sctp_paramhdr {
68f8829a4aSRandall Stewart 		uint16_t param_type;	/* parameter type */
69f8829a4aSRandall Stewart 		uint16_t param_length;	/* parameter length */
7035918f85SRandall Stewart 	}             __attribute__((packed));
71f8829a4aSRandall Stewart 
72f8829a4aSRandall Stewart /*
73f8829a4aSRandall Stewart  * user socket options: socket API defined
74f8829a4aSRandall Stewart  */
75f8829a4aSRandall Stewart /*
76f8829a4aSRandall Stewart  * read-write options
77f8829a4aSRandall Stewart  */
78f8829a4aSRandall Stewart #define SCTP_RTOINFO			0x00000001
79f8829a4aSRandall Stewart #define SCTP_ASSOCINFO			0x00000002
80f8829a4aSRandall Stewart #define SCTP_INITMSG			0x00000003
81f8829a4aSRandall Stewart #define SCTP_NODELAY			0x00000004
82f8829a4aSRandall Stewart #define SCTP_AUTOCLOSE			0x00000005
83f8829a4aSRandall Stewart #define SCTP_SET_PEER_PRIMARY_ADDR	0x00000006
84f8829a4aSRandall Stewart #define SCTP_PRIMARY_ADDR		0x00000007
85f8829a4aSRandall Stewart #define SCTP_ADAPTATION_LAYER		0x00000008
86f8829a4aSRandall Stewart /* same as above */
87f8829a4aSRandall Stewart #define SCTP_ADAPTION_LAYER		0x00000008
88f8829a4aSRandall Stewart #define SCTP_DISABLE_FRAGMENTS		0x00000009
89f8829a4aSRandall Stewart #define SCTP_PEER_ADDR_PARAMS 		0x0000000a
90f8829a4aSRandall Stewart #define SCTP_DEFAULT_SEND_PARAM		0x0000000b
91f8829a4aSRandall Stewart /* ancillary data/notification interest options */
92f8829a4aSRandall Stewart #define SCTP_EVENTS			0x0000000c
93f8829a4aSRandall Stewart /* Without this applied we will give V4 and V6 addresses on a V6 socket */
94f8829a4aSRandall Stewart #define SCTP_I_WANT_MAPPED_V4_ADDR	0x0000000d
95f8829a4aSRandall Stewart #define SCTP_MAXSEG 			0x0000000e
96d61a0ae0SRandall Stewart #define SCTP_DELAYED_SACK               0x0000000f
97f8829a4aSRandall Stewart #define SCTP_FRAGMENT_INTERLEAVE        0x00000010
98f8829a4aSRandall Stewart #define SCTP_PARTIAL_DELIVERY_POINT     0x00000011
99f8829a4aSRandall Stewart /* authentication support */
100f8829a4aSRandall Stewart #define SCTP_AUTH_CHUNK 		0x00000012
101f8829a4aSRandall Stewart #define SCTP_AUTH_KEY 			0x00000013
102f8829a4aSRandall Stewart #define SCTP_HMAC_IDENT 		0x00000014
103f8829a4aSRandall Stewart #define SCTP_AUTH_ACTIVE_KEY 		0x00000015
104f8829a4aSRandall Stewart #define SCTP_AUTH_DELETE_KEY 		0x00000016
105f8829a4aSRandall Stewart #define SCTP_USE_EXT_RCVINFO		0x00000017
106f8829a4aSRandall Stewart #define SCTP_AUTO_ASCONF		0x00000018	/* rw */
107f8829a4aSRandall Stewart #define SCTP_MAXBURST			0x00000019	/* rw */
108d61a0ae0SRandall Stewart #define SCTP_MAX_BURST			0x00000019	/* rw */
109f8829a4aSRandall Stewart /* assoc level context */
110f8829a4aSRandall Stewart #define SCTP_CONTEXT                    0x0000001a	/* rw */
111f8829a4aSRandall Stewart /* explict EOR signalling */
112f8829a4aSRandall Stewart #define SCTP_EXPLICIT_EOR               0x0000001b
113f8829a4aSRandall Stewart 
114f8829a4aSRandall Stewart /*
115f8829a4aSRandall Stewart  * read-only options
116f8829a4aSRandall Stewart  */
117f8829a4aSRandall Stewart #define SCTP_STATUS			0x00000100
118f8829a4aSRandall Stewart #define SCTP_GET_PEER_ADDR_INFO		0x00000101
119f8829a4aSRandall Stewart /* authentication support */
120f8829a4aSRandall Stewart #define SCTP_PEER_AUTH_CHUNKS 		0x00000102
121f8829a4aSRandall Stewart #define SCTP_LOCAL_AUTH_CHUNKS 		0x00000103
1223c503c28SRandall Stewart #define SCTP_GET_ASSOC_NUMBER           0x00000104	/* ro */
1233c503c28SRandall Stewart #define SCTP_GET_ASSOC_ID_LIST          0x00000105	/* ro */
124f8829a4aSRandall Stewart 
125f8829a4aSRandall Stewart /*
126f8829a4aSRandall Stewart  * user socket options: BSD implementation specific
127f8829a4aSRandall Stewart  */
128f8829a4aSRandall Stewart /*
129f8829a4aSRandall Stewart  * Blocking I/O is enabled on any TCP type socket by default. For the UDP
130f8829a4aSRandall Stewart  * model if this is turned on then the socket buffer is shared for send
131f8829a4aSRandall Stewart  * resources amongst all associations.  The default for the UDP model is that
132f8829a4aSRandall Stewart  * is SS_NBIO is set.  Which means all associations have a seperate send
133f8829a4aSRandall Stewart  * limit BUT they will NOT ever BLOCK instead you will get an error back
134f8829a4aSRandall Stewart  * EAGAIN if you try to send to much. If you want the blocking symantics you
135f8829a4aSRandall Stewart  * set this option at the cost of sharing one socket send buffer size amongst
136f8829a4aSRandall Stewart  * all associations. Peeled off sockets turn this option off and block. But
137f8829a4aSRandall Stewart  * since both TCP and peeled off sockets have only one assoc per socket this
138f8829a4aSRandall Stewart  * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP
139f8829a4aSRandall Stewart  * model OR peeled off UDP model, but we do allow you to do so. You just use
140f8829a4aSRandall Stewart  * the normal syscall to toggle SS_NBIO the way you want.
141f8829a4aSRandall Stewart  *
142f8829a4aSRandall Stewart  * Blocking I/O is controled by the SS_NBIO flag on the socket state so_state
143f8829a4aSRandall Stewart  * field.
144f8829a4aSRandall Stewart  */
145f8829a4aSRandall Stewart 
146f8829a4aSRandall Stewart /* these should probably go into sockets API */
147f8829a4aSRandall Stewart #define SCTP_RESET_STREAMS		0x00001004	/* wo */
148f8829a4aSRandall Stewart 
149f8829a4aSRandall Stewart 
150f8829a4aSRandall Stewart /* here on down are more implementation specific */
151f8829a4aSRandall Stewart #define SCTP_SET_DEBUG_LEVEL		0x00001005
152f8829a4aSRandall Stewart #define SCTP_CLR_STAT_LOG               0x00001007
153f8829a4aSRandall Stewart /* CMT ON/OFF socket option */
154f8829a4aSRandall Stewart #define SCTP_CMT_ON_OFF                 0x00001200
155f8829a4aSRandall Stewart #define SCTP_CMT_USE_DAC                0x00001201
156b54d3a6cSRandall Stewart /* JRS - Pluggable Congestion Control Socket option */
157b54d3a6cSRandall Stewart #define SCTP_PLUGGABLE_CC				0x00001202
158f8829a4aSRandall Stewart 
159f8829a4aSRandall Stewart /* read only */
160f8829a4aSRandall Stewart #define SCTP_GET_SNDBUF_USE		0x00001101
161f8829a4aSRandall Stewart #define SCTP_GET_STAT_LOG		0x00001103
1623c503c28SRandall Stewart #define SCTP_PCB_STATUS			0x00001104
1633c503c28SRandall Stewart #define SCTP_GET_NONCE_VALUES           0x00001105
164f8829a4aSRandall Stewart 
165207304d4SRandall Stewart 
16642551e99SRandall Stewart /* Special hook for dynamically setting primary for all assoc's,
16742551e99SRandall Stewart  * this is a write only option that requires root privledge.
16842551e99SRandall Stewart  */
16942551e99SRandall Stewart #define SCTP_SET_DYNAMIC_PRIMARY        0x00002001
170f8829a4aSRandall Stewart 
17142551e99SRandall Stewart /* VRF (virtual router feature) and multi-VRF support
17242551e99SRandall Stewart  * options. VRF's provide splits within a router
17342551e99SRandall Stewart  * that give the views of multiple routers. A
17442551e99SRandall Stewart  * standard host, without VRF support, is just
17542551e99SRandall Stewart  * a single VRF. If VRF's are supported then
17642551e99SRandall Stewart  * the transport must be VRF aware. This means
17742551e99SRandall Stewart  * that every socket call coming in must be directed
17842551e99SRandall Stewart  * within the endpoint to one of the VRF's it belongs
17942551e99SRandall Stewart  * to. The endpoint, before binding, may select
18042551e99SRandall Stewart  * the "default" VRF it is in by using a set socket
18142551e99SRandall Stewart  * option with SCTP_VRF_ID. This will also
18242551e99SRandall Stewart  * get propegated to the default VRF. Once the
18342551e99SRandall Stewart  * endpoint binds an address then it CANNOT add
18442551e99SRandall Stewart  * additional VRF's to become a Multi-VRF endpoint.
18542551e99SRandall Stewart  *
18642551e99SRandall Stewart  * Before BINDING additional VRF's can be added with
18742551e99SRandall Stewart  * the SCTP_ADD_VRF_ID call or deleted with
18842551e99SRandall Stewart  * SCTP_DEL_VRF_ID.
18942551e99SRandall Stewart  *
19042551e99SRandall Stewart  * Associations are ALWAYS contained inside a single
19142551e99SRandall Stewart  * VRF. They cannot reside in two (or more) VRF's. Incoming
19242551e99SRandall Stewart  * packets, assuming the router is VRF aware, can always
19342551e99SRandall Stewart  * tell us what VRF they arrived on. A host not supporting
19442551e99SRandall Stewart  * any VRF's will find that the packets always arrived on the
19542551e99SRandall Stewart  * single VRF that the host has.
19642551e99SRandall Stewart  *
19742551e99SRandall Stewart  */
19842551e99SRandall Stewart 
19942551e99SRandall Stewart #define SCTP_VRF_ID			0x00003001
20042551e99SRandall Stewart #define SCTP_ADD_VRF_ID			0x00003002
20142551e99SRandall Stewart #define SCTP_GET_VRF_IDS		0x00003003
20242551e99SRandall Stewart #define SCTP_GET_ASOC_VRF               0x00003004
20342551e99SRandall Stewart #define SCTP_DEL_VRF_ID                 0x00003005
204207304d4SRandall Stewart 
205207304d4SRandall Stewart /*
206207304d4SRandall Stewart  * If you enable packet logging you can get
207207304d4SRandall Stewart  * a poor mans ethereal output in binary
208207304d4SRandall Stewart  * form. Note this is a compile option to
209207304d4SRandall Stewart  * the kernel,  SCTP_PACKET_LOGGING, and
210207304d4SRandall Stewart  * without it in your kernel you
2116b4ae356SRandall Stewart  * will get a EOPNOTSUPP
212207304d4SRandall Stewart  */
213207304d4SRandall Stewart #define SCTP_GET_PACKET_LOG             0x00004001
214207304d4SRandall Stewart 
215f8829a4aSRandall Stewart /*
216f8829a4aSRandall Stewart  * hidden implementation specific options these are NOT user visible (should
217f8829a4aSRandall Stewart  * move out of sctp.h)
218f8829a4aSRandall Stewart  */
219f8829a4aSRandall Stewart /* sctp_bindx() flags as hidden socket options */
220f8829a4aSRandall Stewart #define SCTP_BINDX_ADD_ADDR		0x00008001
221f8829a4aSRandall Stewart #define SCTP_BINDX_REM_ADDR		0x00008002
222f8829a4aSRandall Stewart /* Hidden socket option that gets the addresses */
223f8829a4aSRandall Stewart #define SCTP_GET_PEER_ADDRESSES		0x00008003
224f8829a4aSRandall Stewart #define SCTP_GET_LOCAL_ADDRESSES	0x00008004
225f8829a4aSRandall Stewart /* return the total count in bytes needed to hold all local addresses bound */
226f8829a4aSRandall Stewart #define SCTP_GET_LOCAL_ADDR_SIZE	0x00008005
227f8829a4aSRandall Stewart /* Return the total count in bytes needed to hold the remote address */
228f8829a4aSRandall Stewart #define SCTP_GET_REMOTE_ADDR_SIZE	0x00008006
229f8829a4aSRandall Stewart /* hidden option for connectx */
230f8829a4aSRandall Stewart #define SCTP_CONNECT_X			0x00008007
231f8829a4aSRandall Stewart /* hidden option for connectx_delayed, part of sendx */
232f8829a4aSRandall Stewart #define SCTP_CONNECT_X_DELAYED		0x00008008
233f8829a4aSRandall Stewart #define SCTP_CONNECT_X_COMPLETE         0x00008009
234f8829a4aSRandall Stewart /* hidden socket option based sctp_peeloff */
235f8829a4aSRandall Stewart #define SCTP_PEELOFF                    0x0000800a
236f8829a4aSRandall Stewart /* the real worker for sctp_getaddrlen() */
237f8829a4aSRandall Stewart #define SCTP_GET_ADDR_LEN               0x0000800b
238f8829a4aSRandall Stewart /* temporary workaround for Apple listen() issue, no args used */
239f8829a4aSRandall Stewart #define SCTP_LISTEN_FIX			0x0000800c
240f8829a4aSRandall Stewart /* Debug things that need to be purged */
241f8829a4aSRandall Stewart #define SCTP_SET_INITIAL_DBG_SEQ	0x00009f00
242f8829a4aSRandall Stewart 
243b54d3a6cSRandall Stewart /* JRS - Supported congestion control modules for pluggable
244b54d3a6cSRandall Stewart  * congestion control
245b54d3a6cSRandall Stewart  */
246b54d3a6cSRandall Stewart /* Standard TCP Congestion Control */
247b54d3a6cSRandall Stewart #define SCTP_CC_RFC2581		0x00000000
248b54d3a6cSRandall Stewart /* High Speed TCP Congestion Control (Floyd) */
249b54d3a6cSRandall Stewart #define SCTP_CC_HSTCP		0x00000001
250b54d3a6cSRandall Stewart /* HTCP Congestion Control */
251b54d3a6cSRandall Stewart #define SCTP_CC_HTCP		0x00000002
252b54d3a6cSRandall Stewart 
2539a6142d8SRandall Stewart 
2549a6142d8SRandall Stewart /* fragment interleave constants
2559a6142d8SRandall Stewart  * setting must be one of these or
2569a6142d8SRandall Stewart  * EINVAL returned.
2579a6142d8SRandall Stewart  */
2589a6142d8SRandall Stewart #define SCTP_FRAG_LEVEL_0    0x00000000
2599a6142d8SRandall Stewart #define SCTP_FRAG_LEVEL_1    0x00000001
2609a6142d8SRandall Stewart #define SCTP_FRAG_LEVEL_2    0x00000002
2619a6142d8SRandall Stewart 
262f8829a4aSRandall Stewart /*
263f8829a4aSRandall Stewart  * user state values
264f8829a4aSRandall Stewart  */
265f8829a4aSRandall Stewart #define SCTP_CLOSED			0x0000
266f8829a4aSRandall Stewart #define SCTP_BOUND			0x1000
267f8829a4aSRandall Stewart #define SCTP_LISTEN			0x2000
268f8829a4aSRandall Stewart #define SCTP_COOKIE_WAIT		0x0002
269f8829a4aSRandall Stewart #define SCTP_COOKIE_ECHOED		0x0004
270f8829a4aSRandall Stewart #define SCTP_ESTABLISHED		0x0008
271f8829a4aSRandall Stewart #define SCTP_SHUTDOWN_SENT		0x0010
272f8829a4aSRandall Stewart #define SCTP_SHUTDOWN_RECEIVED		0x0020
273f8829a4aSRandall Stewart #define SCTP_SHUTDOWN_ACK_SENT		0x0040
274f8829a4aSRandall Stewart #define SCTP_SHUTDOWN_PENDING		0x0080
275f8829a4aSRandall Stewart 
276f8829a4aSRandall Stewart /*
277f8829a4aSRandall Stewart  * SCTP operational error codes (user visible)
278f8829a4aSRandall Stewart  */
279f8829a4aSRandall Stewart #define SCTP_CAUSE_NO_ERROR		0x0000
280f8829a4aSRandall Stewart #define SCTP_CAUSE_INVALID_STREAM	0x0001
281f8829a4aSRandall Stewart #define SCTP_CAUSE_MISSING_PARAM	0x0002
282f8829a4aSRandall Stewart #define SCTP_CAUSE_STALE_COOKIE		0x0003
283f8829a4aSRandall Stewart #define SCTP_CAUSE_OUT_OF_RESC		0x0004
284f8829a4aSRandall Stewart #define SCTP_CAUSE_UNRESOLVABLE_ADDR	0x0005
285f8829a4aSRandall Stewart #define SCTP_CAUSE_UNRECOG_CHUNK	0x0006
286f8829a4aSRandall Stewart #define SCTP_CAUSE_INVALID_PARAM	0x0007
287f8829a4aSRandall Stewart #define SCTP_CAUSE_UNRECOG_PARAM	0x0008
288f8829a4aSRandall Stewart #define SCTP_CAUSE_NO_USER_DATA		0x0009
289f8829a4aSRandall Stewart #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN	0x000a
290f8829a4aSRandall Stewart #define SCTP_CAUSE_RESTART_W_NEWADDR	0x000b
291f8829a4aSRandall Stewart #define SCTP_CAUSE_USER_INITIATED_ABT	0x000c
292f8829a4aSRandall Stewart #define SCTP_CAUSE_PROTOCOL_VIOLATION	0x000d
293f8829a4aSRandall Stewart 
294f8829a4aSRandall Stewart /* Error causes from draft-ietf-tsvwg-addip-sctp */
29518e198d3SRandall Stewart #define SCTP_CAUSE_DELETING_LAST_ADDR	0xa0
29618e198d3SRandall Stewart #define SCTP_CAUSE_RESOURCE_SHORTAGE	0xa1
29718e198d3SRandall Stewart #define SCTP_CAUSE_DELETING_SRC_ADDR	0xa2
29818e198d3SRandall Stewart #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK	0xa3
29918e198d3SRandall Stewart #define SCTP_CAUSE_REQUEST_REFUSED	0xa4
300f8829a4aSRandall Stewart 
301f8829a4aSRandall Stewart /* Error causes from draft-ietf-tsvwg-sctp-auth */
302f8829a4aSRandall Stewart #define SCTP_CAUSE_UNSUPPORTED_HMACID	0x0105
303f8829a4aSRandall Stewart 
304f8829a4aSRandall Stewart /*
305f8829a4aSRandall Stewart  * error cause parameters (user visisble)
306f8829a4aSRandall Stewart  */
307f8829a4aSRandall Stewart 	struct sctp_error_cause {
308f8829a4aSRandall Stewart 		uint16_t code;
309f8829a4aSRandall Stewart 		uint16_t length;
310f8829a4aSRandall Stewart 		/* optional cause-specific info may follow */
31135918f85SRandall Stewart 	}                __attribute__((packed));
312f8829a4aSRandall Stewart 
313f8829a4aSRandall Stewart 	struct sctp_error_invalid_stream {
31435918f85SRandall Stewart 		struct sctp_error_cause cause;	/* code=SCTP_ERROR_INVALID_STRE
31535918f85SRandall Stewart 						 * AM */
316f8829a4aSRandall Stewart 		uint16_t stream_id;	/* stream id of the DATA in error */
317f8829a4aSRandall Stewart 		uint16_t reserved;
31835918f85SRandall Stewart 	}                         __attribute__((packed));
319f8829a4aSRandall Stewart 
320f8829a4aSRandall Stewart 	struct sctp_error_missing_param {
32135918f85SRandall Stewart 		struct sctp_error_cause cause;	/* code=SCTP_ERROR_MISSING_PARA
32235918f85SRandall Stewart 						 * M */
32335918f85SRandall Stewart 		uint32_t num_missing_params;	/* number of missing
32435918f85SRandall Stewart 						 * parameters */
325f8829a4aSRandall Stewart 		/* uint16_t param_type's follow */
32635918f85SRandall Stewart 	}                        __attribute__((packed));
327f8829a4aSRandall Stewart 
328f8829a4aSRandall Stewart 	struct sctp_error_stale_cookie {
32935918f85SRandall Stewart 		struct sctp_error_cause cause;	/* code=SCTP_ERROR_STALE_COOKIE
33035918f85SRandall Stewart 						 *  */
331f8829a4aSRandall Stewart 		uint32_t stale_time;	/* time in usec of staleness */
33235918f85SRandall Stewart 	}                       __attribute__((packed));
333f8829a4aSRandall Stewart 
334f8829a4aSRandall Stewart 	struct sctp_error_out_of_resource {
33535918f85SRandall Stewart 		struct sctp_error_cause cause;	/* code=SCTP_ERROR_OUT_OF_RESOU
33635918f85SRandall Stewart 						 * RCES */
33735918f85SRandall Stewart 	}                          __attribute__((packed));
338f8829a4aSRandall Stewart 
339f8829a4aSRandall Stewart 	struct sctp_error_unresolv_addr {
34035918f85SRandall Stewart 		struct sctp_error_cause cause;	/* code=SCTP_ERROR_UNRESOLVABLE
34135918f85SRandall Stewart 						 * _ADDR */
342f8829a4aSRandall Stewart 
34335918f85SRandall Stewart 	}                        __attribute__((packed));
344f8829a4aSRandall Stewart 
345f8829a4aSRandall Stewart 	struct sctp_error_unrecognized_chunk {
34635918f85SRandall Stewart 		struct sctp_error_cause cause;	/* code=SCTP_ERROR_UNRECOG_CHUN
34735918f85SRandall Stewart 						 * K */
348f8829a4aSRandall Stewart 		struct sctp_chunkhdr ch;	/* header from chunk in error */
34935918f85SRandall Stewart 	}                             __attribute__((packed));
350f8829a4aSRandall Stewart 
351f8829a4aSRandall Stewart #define HAVE_SCTP			1
352f8829a4aSRandall Stewart #define HAVE_KERNEL_SCTP		1
353f8829a4aSRandall Stewart #define HAVE_SCTP_PRSCTP		1
354f8829a4aSRandall Stewart #define HAVE_SCTP_ADDIP			1
355f8829a4aSRandall Stewart #define HAVE_SCTP_CANSET_PRIMARY	1
356f8829a4aSRandall Stewart #define HAVE_SCTP_SAT_CAPABILITY	1
357f8829a4aSRandall Stewart #define HAVE_SCTP_MULTIBUF              1
358f8829a4aSRandall Stewart #define HAVE_SCTP_NOCONNECT             0
359f8829a4aSRandall Stewart #define HAVE_SCTP_ECN_NONCE             1	/* ECN Nonce option */
360f8829a4aSRandall Stewart #define HAVE_SCTP_AUTH			1
361f8829a4aSRandall Stewart #define HAVE_SCTP_EXT_RCVINFO		1
362f8829a4aSRandall Stewart #define HAVE_SCTP_CONNECTX              1
363f8829a4aSRandall Stewart /*
364f8829a4aSRandall Stewart  * Main SCTP chunk types we place these here so natd and f/w's in user land
365f8829a4aSRandall Stewart  * can find them.
366f8829a4aSRandall Stewart  */
367f8829a4aSRandall Stewart /************0x00 series ***********/
368f8829a4aSRandall Stewart #define SCTP_DATA		0x00
369f8829a4aSRandall Stewart #define SCTP_INITIATION		0x01
370f8829a4aSRandall Stewart #define SCTP_INITIATION_ACK	0x02
371f8829a4aSRandall Stewart #define SCTP_SELECTIVE_ACK	0x03
372f8829a4aSRandall Stewart #define SCTP_HEARTBEAT_REQUEST	0x04
373f8829a4aSRandall Stewart #define SCTP_HEARTBEAT_ACK	0x05
374f8829a4aSRandall Stewart #define SCTP_ABORT_ASSOCIATION	0x06
375f8829a4aSRandall Stewart #define SCTP_SHUTDOWN		0x07
376f8829a4aSRandall Stewart #define SCTP_SHUTDOWN_ACK	0x08
377f8829a4aSRandall Stewart #define SCTP_OPERATION_ERROR	0x09
378f8829a4aSRandall Stewart #define SCTP_COOKIE_ECHO	0x0a
379f8829a4aSRandall Stewart #define SCTP_COOKIE_ACK		0x0b
380f8829a4aSRandall Stewart #define SCTP_ECN_ECHO		0x0c
381f8829a4aSRandall Stewart #define SCTP_ECN_CWR		0x0d
382f8829a4aSRandall Stewart #define SCTP_SHUTDOWN_COMPLETE	0x0e
383f8829a4aSRandall Stewart /* draft-ietf-tsvwg-sctp-auth */
384f8829a4aSRandall Stewart #define SCTP_AUTHENTICATION     0x0f
385f8829a4aSRandall Stewart /************0x40 series ***********/
386f8829a4aSRandall Stewart /************0x80 series ***********/
387f8829a4aSRandall Stewart /* draft-ietf-tsvwg-addip-sctp */
388f8829a4aSRandall Stewart #define	SCTP_ASCONF_ACK		0x80
389f8829a4aSRandall Stewart /* draft-ietf-stewart-pktdrpsctp */
390f8829a4aSRandall Stewart #define SCTP_PACKET_DROPPED	0x81
391f8829a4aSRandall Stewart /* draft-ietf-stewart-strreset-xxx */
392f8829a4aSRandall Stewart #define SCTP_STREAM_RESET       0x82
3939a972525SRandall Stewart 
3949a972525SRandall Stewart /* RFC4820                         */
3959a972525SRandall Stewart #define SCTP_PAD_CHUNK          0x84
396f8829a4aSRandall Stewart /************0xc0 series ***********/
397f8829a4aSRandall Stewart /* RFC3758 */
398f8829a4aSRandall Stewart #define SCTP_FORWARD_CUM_TSN	0xc0
399f8829a4aSRandall Stewart /* draft-ietf-tsvwg-addip-sctp */
400f8829a4aSRandall Stewart #define SCTP_ASCONF		0xc1
401f8829a4aSRandall Stewart 
402f8829a4aSRandall Stewart 
403f8829a4aSRandall Stewart /* ABORT and SHUTDOWN COMPLETE FLAG */
404f8829a4aSRandall Stewart #define SCTP_HAD_NO_TCB		0x01
405f8829a4aSRandall Stewart 
406f8829a4aSRandall Stewart /* Packet dropped flags */
407f8829a4aSRandall Stewart #define SCTP_FROM_MIDDLE_BOX	SCTP_HAD_NO_TCB
408f8829a4aSRandall Stewart #define SCTP_BADCRC		0x02
409f8829a4aSRandall Stewart #define SCTP_PACKET_TRUNCATED	0x04
410f8829a4aSRandall Stewart 
411f8829a4aSRandall Stewart #define SCTP_SAT_NETWORK_MIN	400	/* min ms for RTT to set satellite
412f8829a4aSRandall Stewart 					 * time */
413f8829a4aSRandall Stewart #define SCTP_SAT_NETWORK_BURST_INCR  2	/* how many times to multiply maxburst
414f8829a4aSRandall Stewart 					 * in sat */
415f8829a4aSRandall Stewart 
416f8829a4aSRandall Stewart /* Data Chuck Specific Flags */
417f8829a4aSRandall Stewart #define SCTP_DATA_FRAG_MASK	0x03
418f8829a4aSRandall Stewart #define SCTP_DATA_MIDDLE_FRAG	0x00
419f8829a4aSRandall Stewart #define SCTP_DATA_LAST_FRAG	0x01
420f8829a4aSRandall Stewart #define SCTP_DATA_FIRST_FRAG	0x02
421f8829a4aSRandall Stewart #define SCTP_DATA_NOT_FRAG	0x03
422f8829a4aSRandall Stewart #define SCTP_DATA_UNORDERED	0x04
423f8829a4aSRandall Stewart 
424f8829a4aSRandall Stewart /* ECN Nonce: SACK Chunk Specific Flags */
425f8829a4aSRandall Stewart #define SCTP_SACK_NONCE_SUM     0x01
426f8829a4aSRandall Stewart 
427f8829a4aSRandall Stewart /* CMT DAC algorithm SACK flag */
428f8829a4aSRandall Stewart #define SCTP_SACK_CMT_DAC       0x80
429f8829a4aSRandall Stewart 
43058967d8dSRandall Stewart /*
43158967d8dSRandall Stewart  * PCB flags (in sctp_flags bitmask).
43258967d8dSRandall Stewart  * Note the features and flags are meant
43358967d8dSRandall Stewart  * for use by netstat.
43458967d8dSRandall Stewart  */
43558967d8dSRandall Stewart #define SCTP_PCB_FLAGS_UDPTYPE		0x00000001
43658967d8dSRandall Stewart #define SCTP_PCB_FLAGS_TCPTYPE		0x00000002
43758967d8dSRandall Stewart #define SCTP_PCB_FLAGS_BOUNDALL		0x00000004
43858967d8dSRandall Stewart #define SCTP_PCB_FLAGS_ACCEPTING	0x00000008
43958967d8dSRandall Stewart #define SCTP_PCB_FLAGS_UNBOUND		0x00000010
440d06c82f1SRandall Stewart #define SCTP_PCB_FLAGS_LISTENING	0x00000020
44158967d8dSRandall Stewart #define SCTP_PCB_FLAGS_CLOSE_IP         0x00040000
44258967d8dSRandall Stewart #define SCTP_PCB_FLAGS_WAS_CONNECTED    0x00080000
44358967d8dSRandall Stewart #define SCTP_PCB_FLAGS_WAS_ABORTED      0x00100000
44458967d8dSRandall Stewart /* TCP model support */
44558967d8dSRandall Stewart 
44658967d8dSRandall Stewart #define SCTP_PCB_FLAGS_CONNECTED	0x00200000
44758967d8dSRandall Stewart #define SCTP_PCB_FLAGS_IN_TCPPOOL	0x00400000
44858967d8dSRandall Stewart #define SCTP_PCB_FLAGS_DONT_WAKE	0x00800000
44958967d8dSRandall Stewart #define SCTP_PCB_FLAGS_WAKEOUTPUT	0x01000000
45058967d8dSRandall Stewart #define SCTP_PCB_FLAGS_WAKEINPUT	0x02000000
45158967d8dSRandall Stewart #define SCTP_PCB_FLAGS_BOUND_V6		0x04000000
45258967d8dSRandall Stewart #define SCTP_PCB_FLAGS_NEEDS_MAPPED_V4	0x08000000
45358967d8dSRandall Stewart #define SCTP_PCB_FLAGS_BLOCKING_IO	0x10000000
45458967d8dSRandall Stewart #define SCTP_PCB_FLAGS_SOCKET_GONE	0x20000000
45558967d8dSRandall Stewart #define SCTP_PCB_FLAGS_SOCKET_ALLGONE	0x40000000
45658967d8dSRandall Stewart /* flags to copy to new PCB */
45758967d8dSRandall Stewart #define SCTP_PCB_COPY_FLAGS		0x0e000004
45858967d8dSRandall Stewart 
45958967d8dSRandall Stewart 
46058967d8dSRandall Stewart /*
46158967d8dSRandall Stewart  * PCB Features (in sctp_features bitmask)
46258967d8dSRandall Stewart  */
46358967d8dSRandall Stewart #define SCTP_PCB_FLAGS_EXT_RCVINFO      0x00000002
46458967d8dSRandall Stewart #define SCTP_PCB_FLAGS_DONOT_HEARTBEAT  0x00000004
46558967d8dSRandall Stewart #define SCTP_PCB_FLAGS_FRAG_INTERLEAVE  0x00000008
46658967d8dSRandall Stewart #define SCTP_PCB_FLAGS_INTERLEAVE_STRMS	0x00000010
46758967d8dSRandall Stewart #define SCTP_PCB_FLAGS_DO_ASCONF	0x00000020
46858967d8dSRandall Stewart #define SCTP_PCB_FLAGS_AUTO_ASCONF	0x00000040
46917205eccSRandall Stewart #define SCTP_PCB_FLAGS_ZERO_COPY_ACTIVE 0x00000080
47017205eccSRandall Stewart 
47158967d8dSRandall Stewart /* socket options */
47258967d8dSRandall Stewart #define SCTP_PCB_FLAGS_NODELAY		0x00000100
47358967d8dSRandall Stewart #define SCTP_PCB_FLAGS_AUTOCLOSE	0x00000200
47458967d8dSRandall Stewart #define SCTP_PCB_FLAGS_RECVDATAIOEVNT	0x00000400
47558967d8dSRandall Stewart #define SCTP_PCB_FLAGS_RECVASSOCEVNT	0x00000800
47658967d8dSRandall Stewart #define SCTP_PCB_FLAGS_RECVPADDREVNT	0x00001000
47758967d8dSRandall Stewart #define SCTP_PCB_FLAGS_RECVPEERERR	0x00002000
47858967d8dSRandall Stewart #define SCTP_PCB_FLAGS_RECVSENDFAILEVNT	0x00004000
47958967d8dSRandall Stewart #define SCTP_PCB_FLAGS_RECVSHUTDOWNEVNT	0x00008000
48058967d8dSRandall Stewart #define SCTP_PCB_FLAGS_ADAPTATIONEVNT	0x00010000
48158967d8dSRandall Stewart #define SCTP_PCB_FLAGS_PDAPIEVNT	0x00020000
48258967d8dSRandall Stewart #define SCTP_PCB_FLAGS_AUTHEVNT		0x00040000
48358967d8dSRandall Stewart #define SCTP_PCB_FLAGS_STREAM_RESETEVNT 0x00080000
48458967d8dSRandall Stewart #define SCTP_PCB_FLAGS_NO_FRAGMENT	0x00100000
48558967d8dSRandall Stewart #define SCTP_PCB_FLAGS_EXPLICIT_EOR     0x00400000
48658967d8dSRandall Stewart 
487d61a0ae0SRandall Stewart #define SCTP_SMALLEST_PMTU 512	/* smallest pmtu allowed when disabling PMTU
488d61a0ae0SRandall Stewart 				 * discovery */
489d61a0ae0SRandall Stewart 
490f8829a4aSRandall Stewart #include <netinet/sctp_uio.h>
491f8829a4aSRandall Stewart 
49280fefe0aSRandall Stewart /* This dictates the size of the packet
49380fefe0aSRandall Stewart  * collection buffer. This only applies
49480fefe0aSRandall Stewart  * if SCTP_PACKET_LOGGING is enabled in
49580fefe0aSRandall Stewart  * your config.
49680fefe0aSRandall Stewart  */
497207304d4SRandall Stewart #define SCTP_PACKET_LOG_SIZE 65536
498207304d4SRandall Stewart 
49918e198d3SRandall Stewart /* Maximum delays and such a user can set for options that
50018e198d3SRandall Stewart  * take ms.
50118e198d3SRandall Stewart  */
50218e198d3SRandall Stewart #define SCTP_MAX_SACK_DELAY 500	/* per RFC4960 */
50318e198d3SRandall Stewart #define SCTP_MAX_HB_INTERVAL 14400000	/* 4 hours in ms */
50418e198d3SRandall Stewart #define SCTP_MAX_COOKIE_LIFE  3600000	/* 1 hour in ms */
50518e198d3SRandall Stewart 
50618e198d3SRandall Stewart 
50780fefe0aSRandall Stewart /* Types of logging/KTR tracing  that can be enabled via the
50880fefe0aSRandall Stewart  * sysctl net.inet.sctp.sctp_logging. You must also enable
50980fefe0aSRandall Stewart  * SUBSYS tracing.
51080fefe0aSRandall Stewart  * Note that you must have the SCTP option in the kernel
51180fefe0aSRandall Stewart  * to enable these as well.
51280fefe0aSRandall Stewart  */
51380fefe0aSRandall Stewart #define SCTP_BLK_LOGGING_ENABLE				0x00000001
51480fefe0aSRandall Stewart #define SCTP_CWND_MONITOR_ENABLE			0x00000002
51580fefe0aSRandall Stewart #define SCTP_CWND_LOGGING_ENABLE			0x00000004
51680fefe0aSRandall Stewart #define SCTP_EARLYFR_LOGGING_ENABLE			0x00000010
51780fefe0aSRandall Stewart #define SCTP_FLIGHT_LOGGING_ENABLE			0x00000020
51880fefe0aSRandall Stewart #define SCTP_FR_LOGGING_ENABLE				0x00000040
51980fefe0aSRandall Stewart #define SCTP_LOCK_LOGGING_ENABLE			0x00000080
52080fefe0aSRandall Stewart #define SCTP_MAP_LOGGING_ENABLE				0x00000100
52180fefe0aSRandall Stewart #define SCTP_MBCNT_LOGGING_ENABLE			0x00000200
52280fefe0aSRandall Stewart #define SCTP_MBUF_LOGGING_ENABLE			0x00000400
52380fefe0aSRandall Stewart #define SCTP_NAGLE_LOGGING_ENABLE			0x00000800
52480fefe0aSRandall Stewart #define SCTP_RECV_RWND_LOGGING_ENABLE			0x00001000
52580fefe0aSRandall Stewart #define SCTP_RTTVAR_LOGGING_ENABLE			0x00002000
52680fefe0aSRandall Stewart #define SCTP_SACK_LOGGING_ENABLE			0x00004000
52780fefe0aSRandall Stewart #define SCTP_SACK_RWND_LOGGING_ENABLE			0x00008000
52880fefe0aSRandall Stewart #define SCTP_SB_LOGGING_ENABLE				0x00010000
52980fefe0aSRandall Stewart #define SCTP_STR_LOGGING_ENABLE				0x00020000
53080fefe0aSRandall Stewart #define SCTP_WAKE_LOGGING_ENABLE			0x00040000
53180fefe0aSRandall Stewart #define SCTP_LOG_MAXBURST_ENABLE			0x00080000
53280fefe0aSRandall Stewart #define SCTP_LOG_RWND_ENABLE    			0x00100000
53380fefe0aSRandall Stewart #define SCTP_LOG_SACK_ARRIVALS_ENABLE                   0x00200000
53480fefe0aSRandall Stewart #define SCTP_LTRACE_CHUNK_ENABLE                        0x00400000
53580fefe0aSRandall Stewart #define SCTP_LTRACE_ERROR_ENABLE                        0x00800000
536d95ddf02SRandall Stewart #define SCTP_LAST_PACKET_TRACING                        0x01000000
537c4739e2fSRandall Stewart #define SCTP_THRESHOLD_LOGGING                          0x02000000
538c4739e2fSRandall Stewart 
539207304d4SRandall Stewart 
540f8829a4aSRandall Stewart #endif				/* !_NETINET_SCTP_H_ */
541