1 /*
2 * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 #ifndef SUN_NIO_CH_SCTP_H
27 #define SUN_NIO_CH_SCTP_H
28
29 #include <stdint.h>
30 #include <linux/types.h>
31 #include <sys/socket.h>
32 #include <netinet/in.h>
33 #include "jni.h"
34
35 //Causes compiler error if not found, should make warning and uncomment
36 /*#include <netinet/sctp.h>*/
37
38 #ifndef IPPROTO_SCTP
39 #define IPPROTO_SCTP 132
40 #endif
41
42 /* The current version of lksctp does
43 * not define the following option that the Java API (optionally) supports */
44 #ifndef SCTP_EXPLICIT_EOR
45 #define SCTP_EXPLICIT_EOR -1
46 #endif
47
48 /* Definitions taken from lksctp-tools-1.0.8/src/include/netinet/sctp.h */
49 #ifndef SCTP_INITMSG
50
51 enum sctp_optname {
52 SCTP_RTOINFO,
53 #define SCTP_RTOINFO SCTP_RTOINFO
54 SCTP_ASSOCINFO,
55 #define SCTP_ASSOCINFO SCTP_ASSOCINFO
56 SCTP_INITMSG,
57 #define SCTP_INITMSG SCTP_INITMSG
58 SCTP_NODELAY, /* Get/set nodelay option. */
59 #define SCTP_NODELAY SCTP_NODELAY
60 SCTP_AUTOCLOSE,
61 #define SCTP_AUTOCLOSE SCTP_AUTOCLOSE
62 SCTP_SET_PEER_PRIMARY_ADDR,
63 #define SCTP_SET_PEER_PRIMARY_ADDR SCTP_SET_PEER_PRIMARY_ADDR
64 SCTP_PRIMARY_ADDR,
65 #define SCTP_PRIMARY_ADDR SCTP_PRIMARY_ADDR
66 SCTP_ADAPTATION_LAYER,
67 #define SCTP_ADAPTATION_LAYER SCTP_ADAPTATION_LAYER
68 SCTP_DISABLE_FRAGMENTS,
69 #define SCTP_DISABLE_FRAGMENTS SCTP_DISABLE_FRAGMENTS
70 SCTP_PEER_ADDR_PARAMS,
71 #define SCTP_PEER_ADDR_PARAMS SCTP_PEER_ADDR_PARAMS
72 SCTP_DEFAULT_SEND_PARAM,
73 #define SCTP_DEFAULT_SEND_PARAM SCTP_DEFAULT_SEND_PARAM
74 SCTP_EVENTS,
75 #define SCTP_EVENTS SCTP_EVENTS
76 SCTP_I_WANT_MAPPED_V4_ADDR, /* Turn on/off mapped v4 addresses */
77 #define SCTP_I_WANT_MAPPED_V4_ADDR SCTP_I_WANT_MAPPED_V4_ADDR
78 SCTP_MAXSEG, /* Get/set maximum fragment. */
79 #define SCTP_MAXSEG SCTP_MAXSEG
80 SCTP_STATUS,
81 #define SCTP_STATUS SCTP_STATUS
82 SCTP_GET_PEER_ADDR_INFO,
83 #define SCTP_GET_PEER_ADDR_INFO SCTP_GET_PEER_ADDR_INFO
84 SCTP_DELAYED_ACK_TIME,
85 #define SCTP_DELAYED_ACK_TIME SCTP_DELAYED_ACK_TIME
86 SCTP_CONTEXT, /* Receive Context */
87 #define SCTP_CONTEXT SCTP_CONTEXT
88 SCTP_FRAGMENT_INTERLEAVE,
89 #define SCTP_FRAGMENT_INTERLEAVE SCTP_FRAGMENT_INTERLEAVE
90 SCTP_PARTIAL_DELIVERY_POINT, /* Set/Get partial delivery point */
91 #define SCTP_PARTIAL_DELIVERY_POINT SCTP_PARTIAL_DELIVERY_POINT
92 SCTP_MAX_BURST, /* Set/Get max burst */
93 #define SCTP_MAX_BURST SCTP_MAX_BURST
94 };
95
96 enum sctp_sac_state {
97 SCTP_COMM_UP,
98 SCTP_COMM_LOST,
99 SCTP_RESTART,
100 SCTP_SHUTDOWN_COMP,
101 SCTP_CANT_STR_ASSOC,
102 };
103
104 enum sctp_spc_state {
105 SCTP_ADDR_AVAILABLE,
106 SCTP_ADDR_UNREACHABLE,
107 SCTP_ADDR_REMOVED,
108 SCTP_ADDR_ADDED,
109 SCTP_ADDR_MADE_PRIM,
110 SCTP_ADDR_CONFIRMED,
111 };
112
113 enum sctp_sinfo_flags {
114 SCTP_UNORDERED = 1, /* Send/receive message unordered. */
115 SCTP_ADDR_OVER = 2, /* Override the primary destination. */
116 SCTP_ABORT=4, /* Send an ABORT message to the peer. */
117 SCTP_EOF=MSG_FIN, /* Initiate graceful shutdown process. */
118 };
119
120 enum sctp_sn_type {
121 SCTP_SN_TYPE_BASE = (1<<15),
122 SCTP_ASSOC_CHANGE,
123 SCTP_PEER_ADDR_CHANGE,
124 SCTP_SEND_FAILED,
125 SCTP_REMOTE_ERROR,
126 SCTP_SHUTDOWN_EVENT,
127 SCTP_PARTIAL_DELIVERY_EVENT,
128 SCTP_ADAPTATION_INDICATION,
129 };
130
131 typedef enum sctp_cmsg_type {
132 SCTP_INIT, /* 5.2.1 SCTP Initiation Structure */
133 #define SCTP_INIT SCTP_INIT
134 SCTP_SNDRCV, /* 5.2.2 SCTP Header Information Structure */
135 #define SCTP_SNDRCV SCTP_SNDRCV
136 } sctp_cmsg_t;
137
138 enum sctp_msg_flags {
139 MSG_NOTIFICATION = 0x8000,
140 #define MSG_NOTIFICATION MSG_NOTIFICATION
141 };
142
143 #define SCTP_BINDX_ADD_ADDR 0x01
144 #define SCTP_BINDX_REM_ADDR 0x02
145
146 typedef __s32 sctp_assoc_t;
147
148 struct sctp_initmsg {
149 __u16 sinit_num_ostreams;
150 __u16 sinit_max_instreams;
151 __u16 sinit_max_attempts;
152 __u16 sinit_max_init_timeo;
153 };
154
155 struct sctp_sndrcvinfo {
156 __u16 sinfo_stream;
157 __u16 sinfo_ssn;
158 __u16 sinfo_flags;
159 __u32 sinfo_ppid;
160 __u32 sinfo_context;
161 __u32 sinfo_timetolive;
162 __u32 sinfo_tsn;
163 __u32 sinfo_cumtsn;
164 sctp_assoc_t sinfo_assoc_id;
165 };
166
167 struct sctp_event_subscribe {
168 __u8 sctp_data_io_event;
169 __u8 sctp_association_event;
170 __u8 sctp_address_event;
171 __u8 sctp_send_failure_event;
172 __u8 sctp_peer_error_event;
173 __u8 sctp_shutdown_event;
174 __u8 sctp_partial_delivery_event;
175 __u8 sctp_adaptation_layer_event;
176 };
177
178 struct sctp_send_failed {
179 __u16 ssf_type;
180 __u16 ssf_flags;
181 __u32 ssf_length;
182 __u32 ssf_error;
183 struct sctp_sndrcvinfo ssf_info;
184 sctp_assoc_t ssf_assoc_id;
185 __u8 ssf_data[0];
186 };
187
188 struct sctp_assoc_change {
189 __u16 sac_type;
190 __u16 sac_flags;
191 __u32 sac_length;
192 __u16 sac_state;
193 __u16 sac_error;
194 __u16 sac_outbound_streams;
195 __u16 sac_inbound_streams;
196 sctp_assoc_t sac_assoc_id;
197 __u8 sac_info[0];
198 };
199
200 struct sctp_shutdown_event {
201 __u16 sse_type;
202 __u16 sse_flags;
203 __u32 sse_length;
204 sctp_assoc_t sse_assoc_id;
205 };
206
207 struct sctp_paddr_change {
208 __u16 spc_type;
209 __u16 spc_flags;
210 __u32 spc_length;
211 struct sockaddr_storage spc_aaddr;
212 int spc_state;
213 int spc_error;
214 sctp_assoc_t spc_assoc_id;
215 } __attribute__((packed, aligned(4)));
216
217 struct sctp_remote_error {
218 __u16 sre_type;
219 __u16 sre_flags;
220 __u32 sre_length;
221 __u16 sre_error;
222 sctp_assoc_t sre_assoc_id;
223 __u8 sre_data[0];
224 };
225
226 struct sctp_adaptation_event {
227 __u16 sai_type;
228 __u16 sai_flags;
229 __u32 sai_length;
230 __u32 sai_adaptation_ind;
231 sctp_assoc_t sai_assoc_id;
232 };
233
234 struct sctp_setprim {
235 sctp_assoc_t ssp_assoc_id;
236 struct sockaddr_storage ssp_addr;
237 } __attribute__((packed, aligned(4)));
238
239 struct sctp_setpeerprim {
240 sctp_assoc_t sspp_assoc_id;
241 struct sockaddr_storage sspp_addr;
242 } __attribute__((packed, aligned(4)));
243
244
245 struct sctp_pdapi_event {
246 __u16 pdapi_type;
247 __u16 pdapi_flags;
248 __u32 pdapi_length;
249 __u32 pdapi_indication;
250 sctp_assoc_t pdapi_assoc_id;
251 };
252
253 union sctp_notification {
254 struct {
255 __u16 sn_type; /* Notification type. */
256 __u16 sn_flags;
257 __u32 sn_length;
258 } sn_header;
259 struct sctp_assoc_change sn_assoc_change;
260 struct sctp_paddr_change sn_paddr_change;
261 struct sctp_remote_error sn_remote_error;
262 struct sctp_send_failed sn_send_failed;
263 struct sctp_shutdown_event sn_shutdown_event;
264 struct sctp_adaptation_event sn_adaptation_event;
265 struct sctp_pdapi_event sn_pdapi_event;
266 };
267
268 #endif /* SCTP_INITMSG */
269
270 /* Function types to support dynamic linking of socket API extension functions
271 * for SCTP. This is so that there is no linkage depandancy during build or
272 * runtime for libsctp.*/
273 typedef int sctp_getladdrs_func(int sd, sctp_assoc_t id, struct sockaddr **addrs);
274 typedef int sctp_freeladdrs_func(struct sockaddr *addrs);
275 typedef int sctp_getpaddrs_func(int sd, sctp_assoc_t id, struct sockaddr **addrs);
276 typedef int sctp_freepaddrs_func(struct sockaddr *addrs);
277 typedef int sctp_bindx_func(int sd, struct sockaddr *addrs, int addrcnt, int flags);
278 typedef int sctp_peeloff_func(int sock, sctp_assoc_t id);
279
280
281 extern sctp_getladdrs_func* nio_sctp_getladdrs;
282 extern sctp_freeladdrs_func* nio_sctp_freeladdrs;
283 extern sctp_getpaddrs_func* nio_sctp_getpaddrs;
284 extern sctp_freepaddrs_func* nio_sctp_freepaddrs;
285 extern sctp_bindx_func* nio_sctp_bindx;
286 extern sctp_peeloff_func* nio_sctp_peeloff;
287
288 jboolean loadSocketExtensionFuncs(JNIEnv* env);
289
290 #endif /* !SUN_NIO_CH_SCTP_H */