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30 /* $KAME: sctp.h,v 1.18 2005/03/06 16:04:16 itojun Exp $ */
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 #ifndef _NETINET_SCTP_H_
36 #define _NETINET_SCTP_H_
38 #include <sys/types.h>
41 * SCTP protocol - RFC2960.
45 uint16_t src_port; /* source port */
46 uint16_t dest_port; /* destination port */
47 uint32_t v_tag; /* verification tag of packet */
48 uint32_t checksum; /* Adler32 C-Sum */
49 /* chunks follow... */
55 struct sctp_chunkhdr {
56 uint8_t chunk_type; /* chunk type */
57 uint8_t chunk_flags; /* chunk flags */
58 uint16_t chunk_length; /* chunk length */
59 /* optional params follow */
63 * SCTP chunk parameters
65 struct sctp_paramhdr {
66 uint16_t param_type; /* parameter type */
67 uint16_t param_length; /* parameter length */
71 * user socket options: socket API defined
76 #define SCTP_RTOINFO 0x00000001
77 #define SCTP_ASSOCINFO 0x00000002
78 #define SCTP_INITMSG 0x00000003
79 #define SCTP_NODELAY 0x00000004
80 #define SCTP_AUTOCLOSE 0x00000005
81 #define SCTP_SET_PEER_PRIMARY_ADDR 0x00000006
82 #define SCTP_PRIMARY_ADDR 0x00000007
83 #define SCTP_ADAPTATION_LAYER 0x00000008
85 #define SCTP_ADAPTION_LAYER 0x00000008
86 #define SCTP_DISABLE_FRAGMENTS 0x00000009
87 #define SCTP_PEER_ADDR_PARAMS 0x0000000a
88 #define SCTP_DEFAULT_SEND_PARAM 0x0000000b
89 /* ancillary data/notification interest options */
90 #define SCTP_EVENTS 0x0000000c
91 /* Without this applied we will give V4 and V6 addresses on a V6 socket */
92 #define SCTP_I_WANT_MAPPED_V4_ADDR 0x0000000d
93 #define SCTP_MAXSEG 0x0000000e
94 #define SCTP_DELAYED_ACK_TIME 0x0000000f
95 #define SCTP_FRAGMENT_INTERLEAVE 0x00000010
96 #define SCTP_PARTIAL_DELIVERY_POINT 0x00000011
97 /* authentication support */
98 #define SCTP_AUTH_CHUNK 0x00000012
99 #define SCTP_AUTH_KEY 0x00000013
100 #define SCTP_HMAC_IDENT 0x00000014
101 #define SCTP_AUTH_ACTIVE_KEY 0x00000015
102 #define SCTP_AUTH_DELETE_KEY 0x00000016
103 #define SCTP_USE_EXT_RCVINFO 0x00000017
104 #define SCTP_AUTO_ASCONF 0x00000018 /* rw */
105 #define SCTP_MAXBURST 0x00000019 /* rw */
106 /* assoc level context */
107 #define SCTP_CONTEXT 0x0000001a /* rw */
108 /* explict EOR signalling */
109 #define SCTP_EXPLICIT_EOR 0x0000001b
114 #define SCTP_STATUS 0x00000100
115 #define SCTP_GET_PEER_ADDR_INFO 0x00000101
116 /* authentication support */
117 #define SCTP_PEER_AUTH_CHUNKS 0x00000102
118 #define SCTP_LOCAL_AUTH_CHUNKS 0x00000103
122 * user socket options: BSD implementation specific
125 * Blocking I/O is enabled on any TCP type socket by default. For the UDP
126 * model if this is turned on then the socket buffer is shared for send
127 * resources amongst all associations. The default for the UDP model is that
128 * is SS_NBIO is set. Which means all associations have a seperate send
129 * limit BUT they will NOT ever BLOCK instead you will get an error back
130 * EAGAIN if you try to send to much. If you want the blocking symantics you
131 * set this option at the cost of sharing one socket send buffer size amongst
132 * all associations. Peeled off sockets turn this option off and block. But
133 * since both TCP and peeled off sockets have only one assoc per socket this
134 * is fine. It probably does NOT make sense to set this on SS_NBIO on a TCP
135 * model OR peeled off UDP model, but we do allow you to do so. You just use
136 * the normal syscall to toggle SS_NBIO the way you want.
138 * Blocking I/O is controled by the SS_NBIO flag on the socket state so_state
142 /* these should probably go into sockets API */
143 #define SCTP_RESET_STREAMS 0x00001004 /* wo */
146 /* here on down are more implementation specific */
147 #define SCTP_SET_DEBUG_LEVEL 0x00001005
148 #define SCTP_CLR_STAT_LOG 0x00001007
149 /* CMT ON/OFF socket option */
150 #define SCTP_CMT_ON_OFF 0x00001200
151 #define SCTP_CMT_USE_DAC 0x00001201
154 #define SCTP_GET_SNDBUF_USE 0x00001101
155 #define SCTP_GET_STAT_LOG 0x00001103
156 #define SCTP_GET_ASOC_ID_LIST 0x00001104 /* ro */
157 #define SCTP_PCB_STATUS 0x00001105
158 #define SCTP_GET_NONCE_VALUES 0x00001106
162 * hidden implementation specific options these are NOT user visible (should
163 * move out of sctp.h)
165 /* sctp_bindx() flags as hidden socket options */
166 #define SCTP_BINDX_ADD_ADDR 0x00008001
167 #define SCTP_BINDX_REM_ADDR 0x00008002
168 /* Hidden socket option that gets the addresses */
169 #define SCTP_GET_PEER_ADDRESSES 0x00008003
170 #define SCTP_GET_LOCAL_ADDRESSES 0x00008004
171 /* return the total count in bytes needed to hold all local addresses bound */
172 #define SCTP_GET_LOCAL_ADDR_SIZE 0x00008005
173 /* Return the total count in bytes needed to hold the remote address */
174 #define SCTP_GET_REMOTE_ADDR_SIZE 0x00008006
175 /* hidden option for connectx */
176 #define SCTP_CONNECT_X 0x00008007
177 /* hidden option for connectx_delayed, part of sendx */
178 #define SCTP_CONNECT_X_DELAYED 0x00008008
179 #define SCTP_CONNECT_X_COMPLETE 0x00008009
180 /* hidden socket option based sctp_peeloff */
181 #define SCTP_PEELOFF 0x0000800a
182 /* the real worker for sctp_getaddrlen() */
183 #define SCTP_GET_ADDR_LEN 0x0000800b
184 /* temporary workaround for Apple listen() issue, no args used */
185 #define SCTP_LISTEN_FIX 0x0000800c
186 /* Debug things that need to be purged */
187 #define SCTP_SET_INITIAL_DBG_SEQ 0x00009f00
192 #define SCTP_CLOSED 0x0000
193 #define SCTP_BOUND 0x1000
194 #define SCTP_LISTEN 0x2000
195 #define SCTP_COOKIE_WAIT 0x0002
196 #define SCTP_COOKIE_ECHOED 0x0004
197 #define SCTP_ESTABLISHED 0x0008
198 #define SCTP_SHUTDOWN_SENT 0x0010
199 #define SCTP_SHUTDOWN_RECEIVED 0x0020
200 #define SCTP_SHUTDOWN_ACK_SENT 0x0040
201 #define SCTP_SHUTDOWN_PENDING 0x0080
204 * SCTP operational error codes (user visible)
206 #define SCTP_CAUSE_NO_ERROR 0x0000
207 #define SCTP_CAUSE_INVALID_STREAM 0x0001
208 #define SCTP_CAUSE_MISSING_PARAM 0x0002
209 #define SCTP_CAUSE_STALE_COOKIE 0x0003
210 #define SCTP_CAUSE_OUT_OF_RESC 0x0004
211 #define SCTP_CAUSE_UNRESOLVABLE_ADDR 0x0005
212 #define SCTP_CAUSE_UNRECOG_CHUNK 0x0006
213 #define SCTP_CAUSE_INVALID_PARAM 0x0007
214 #define SCTP_CAUSE_UNRECOG_PARAM 0x0008
215 #define SCTP_CAUSE_NO_USER_DATA 0x0009
216 #define SCTP_CAUSE_COOKIE_IN_SHUTDOWN 0x000a
217 #define SCTP_CAUSE_RESTART_W_NEWADDR 0x000b
218 #define SCTP_CAUSE_USER_INITIATED_ABT 0x000c
219 #define SCTP_CAUSE_PROTOCOL_VIOLATION 0x000d
221 /* Error causes from draft-ietf-tsvwg-addip-sctp */
222 #define SCTP_CAUSE_DELETING_LAST_ADDR 0x0100
223 #define SCTP_CAUSE_RESOURCE_SHORTAGE 0x0101
224 #define SCTP_CAUSE_DELETING_SRC_ADDR 0x0102
225 #define SCTP_CAUSE_ILLEGAL_ASCONF_ACK 0x0103
226 #define SCTP_CAUSE_REQUEST_REFUSED 0x0104
228 /* Error causes from draft-ietf-tsvwg-sctp-auth */
229 #define SCTP_CAUSE_UNSUPPORTED_HMACID 0x0105
232 * error cause parameters (user visisble)
234 struct sctp_error_cause {
237 /* optional cause-specific info may follow */
240 struct sctp_error_invalid_stream {
241 struct sctp_error_cause cause; /* code=SCTP_ERROR_INVALID_STREAM */
242 uint16_t stream_id; /* stream id of the DATA in error */
246 struct sctp_error_missing_param {
247 struct sctp_error_cause cause; /* code=SCTP_ERROR_MISSING_PARAM */
248 uint32_t num_missing_params; /* number of missing parameters */
249 /* uint16_t param_type's follow */
252 struct sctp_error_stale_cookie {
253 struct sctp_error_cause cause; /* code=SCTP_ERROR_STALE_COOKIE */
254 uint32_t stale_time; /* time in usec of staleness */
257 struct sctp_error_out_of_resource {
258 struct sctp_error_cause cause; /* code=SCTP_ERROR_OUT_OF_RESOURCES */
261 struct sctp_error_unresolv_addr {
262 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRESOLVABLE_ADDR */
266 struct sctp_error_unrecognized_chunk {
267 struct sctp_error_cause cause; /* code=SCTP_ERROR_UNRECOG_CHUNK */
268 struct sctp_chunkhdr ch;/* header from chunk in error */
272 #define HAVE_KERNEL_SCTP 1
273 #define HAVE_SCTP_PRSCTP 1
274 #define HAVE_SCTP_ADDIP 1
275 #define HAVE_SCTP_CANSET_PRIMARY 1
276 #define HAVE_SCTP_SAT_CAPABILITY 1
277 #define HAVE_SCTP_MULTIBUF 1
278 #define HAVE_SCTP_NOCONNECT 0
279 #define HAVE_SCTP_ECN_NONCE 1 /* ECN Nonce option */
280 #define HAVE_SCTP_AUTH 1
281 #define HAVE_SCTP_EXT_RCVINFO 1
282 #define HAVE_SCTP_CONNECTX 1
284 * Main SCTP chunk types we place these here so natd and f/w's in user land
287 /************0x00 series ***********/
288 #define SCTP_DATA 0x00
289 #define SCTP_INITIATION 0x01
290 #define SCTP_INITIATION_ACK 0x02
291 #define SCTP_SELECTIVE_ACK 0x03
292 #define SCTP_HEARTBEAT_REQUEST 0x04
293 #define SCTP_HEARTBEAT_ACK 0x05
294 #define SCTP_ABORT_ASSOCIATION 0x06
295 #define SCTP_SHUTDOWN 0x07
296 #define SCTP_SHUTDOWN_ACK 0x08
297 #define SCTP_OPERATION_ERROR 0x09
298 #define SCTP_COOKIE_ECHO 0x0a
299 #define SCTP_COOKIE_ACK 0x0b
300 #define SCTP_ECN_ECHO 0x0c
301 #define SCTP_ECN_CWR 0x0d
302 #define SCTP_SHUTDOWN_COMPLETE 0x0e
303 /* draft-ietf-tsvwg-sctp-auth */
304 #define SCTP_AUTHENTICATION 0x0f
305 /************0x40 series ***********/
306 /************0x80 series ***********/
307 /* draft-ietf-tsvwg-addip-sctp */
308 #define SCTP_ASCONF_ACK 0x80
309 /* draft-ietf-stewart-pktdrpsctp */
310 #define SCTP_PACKET_DROPPED 0x81
311 /* draft-ietf-stewart-strreset-xxx */
312 #define SCTP_STREAM_RESET 0x82
313 /************0xc0 series ***********/
315 #define SCTP_FORWARD_CUM_TSN 0xc0
316 /* draft-ietf-tsvwg-addip-sctp */
317 #define SCTP_ASCONF 0xc1
320 /* ABORT and SHUTDOWN COMPLETE FLAG */
321 #define SCTP_HAD_NO_TCB 0x01
323 /* Packet dropped flags */
324 #define SCTP_FROM_MIDDLE_BOX SCTP_HAD_NO_TCB
325 #define SCTP_BADCRC 0x02
326 #define SCTP_PACKET_TRUNCATED 0x04
328 #define SCTP_SAT_NETWORK_MIN 400 /* min ms for RTT to set satellite
330 #define SCTP_SAT_NETWORK_BURST_INCR 2 /* how many times to multiply maxburst
333 /* Data Chuck Specific Flags */
334 #define SCTP_DATA_FRAG_MASK 0x03
335 #define SCTP_DATA_MIDDLE_FRAG 0x00
336 #define SCTP_DATA_LAST_FRAG 0x01
337 #define SCTP_DATA_FIRST_FRAG 0x02
338 #define SCTP_DATA_NOT_FRAG 0x03
339 #define SCTP_DATA_UNORDERED 0x04
341 /* ECN Nonce: SACK Chunk Specific Flags */
342 #define SCTP_SACK_NONCE_SUM 0x01
344 /* CMT DAC algorithm SACK flag */
345 #define SCTP_SACK_CMT_DAC 0x80
347 #include <netinet/sctp_uio.h>
349 #endif /* !_NETINET_SCTP_H_ */