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sctp_var.h (166675) sctp_var.h (167598)
1/*-
2 * Copyright (c) 2001-2007, Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.

--- 17 unchanged lines hidden (view full) ---

26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/* $KAME: sctp_var.h,v 1.24 2005/03/06 16:04:19 itojun Exp $ */
32
33#include <sys/cdefs.h>
1/*-
2 * Copyright (c) 2001-2007, Cisco Systems, Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * a) Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.

--- 17 unchanged lines hidden (view full) ---

26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/* $KAME: sctp_var.h,v 1.24 2005/03/06 16:04:19 itojun Exp $ */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 166675 2007-02-12 23:24:31Z rrs $");
34__FBSDID("$FreeBSD: head/sys/netinet/sctp_var.h 167598 2007-03-15 11:27:14Z rrs $");
35
36#ifndef _NETINET_SCTP_VAR_H_
37#define _NETINET_SCTP_VAR_H_
38
35
36#ifndef _NETINET_SCTP_VAR_H_
37#define _NETINET_SCTP_VAR_H_
38
39
40#include <netinet/sctp_uio.h>
41
39#include <netinet/sctp_uio.h>
40
42/* SCTP Kernel structures */
43
44/*
45 * Names for SCTP sysctl objects
46 */
47#define SCTPCTL_MAXDGRAM 1 /* max datagram size */
48#define SCTPCTL_RECVSPACE 2 /* default receive buffer space */
49#define SCTPCTL_AUTOASCONF 3 /* auto asconf enable/disable flag */
50#define SCTPCTL_ECN_ENABLE 4 /* Is ecn allowed */
51#define SCTPCTL_ECN_NONCE 5 /* Is ecn nonce allowed */
52#define SCTPCTL_STRICT_SACK 6 /* strictly require sack'd TSN's to be
53 * smaller than sndnxt. */
54#define SCTPCTL_NOCSUM_LO 7 /* Require that the Loopback NOT have
55 * the crc32 checksum on packets
56 * routed over it. */
57#define SCTPCTL_STRICT_INIT 8
58#define SCTPCTL_PEER_CHK_OH 9
59#define SCTPCTL_MAXBURST 10
60#define SCTPCTL_MAXCHUNKONQ 11
61#define SCTPCTL_DELAYED_SACK 12
62#define SCTPCTL_HB_INTERVAL 13
63#define SCTPCTL_PMTU_RAISE 14
64#define SCTPCTL_SHUTDOWN_GUARD 15
65#define SCTPCTL_SECRET_LIFETIME 16
66#define SCTPCTL_RTO_MAX 17
67#define SCTPCTL_RTO_MIN 18
68#define SCTPCTL_RTO_INITIAL 19
69#define SCTPCTL_INIT_RTO_MAX 20
70#define SCTPCTL_COOKIE_LIFE 21
71#define SCTPCTL_INIT_RTX_MAX 22
72#define SCTPCTL_ASSOC_RTX_MAX 23
73#define SCTPCTL_PATH_RTX_MAX 24
74#define SCTPCTL_NR_OUTGOING_STREAMS 25
75#define SCTPCTL_CMT_ON_OFF 26
76#define SCTPCTL_CWND_MAXBURST 27
77#define SCTPCTL_EARLY_FR 28
78#define SCTPCTL_RTTVAR_CC 29
79#define SCTPCTL_DEADLOCK_DET 30
80#define SCTPCTL_EARLY_FR_MSEC 31
81#define SCTPCTL_ASCONF_AUTH_NOCHK 32
82#define SCTPCTL_AUTH_DISABLE 33
83#define SCTPCTL_AUTH_RANDOM_LEN 34
84#define SCTPCTL_AUTH_HMAC_ID 35
85#define SCTPCTL_ABC_L_VAR 36
86#define SCTPCTL_MAX_MBUF_CHAIN 37
87#define SCTPCTL_CMT_USE_DAC 38
88#define SCTPCTL_DO_DRAIN 39
89#define SCTPCTL_WARM_CRC32 40
90#define SCTPCTL_QLIMIT_ABORT 41
91#define SCTPCTL_STRICT_ORDER 42
92#define SCTPCTL_TCBHASHSIZE 43
93#define SCTPCTL_PCBHASHSIZE 44
94#define SCTPCTL_CHUNKSCALE 45
95#define SCTPCTL_MINSPLIT 46
96#define SCTPCTL_ADD_MORE 47
97#define SCTPCTL_SYS_RESC 48
98#define SCTPCTL_ASOC_RESC 49
99#define SCTPCTL_NAT_FRIENDLY 50
100#ifdef SCTP_DEBUG
101#define SCTPCTL_DEBUG 51
102#define SCTPCTL_MAXID 51
103#else
104#define SCTPCTL_MAXID 50
105#endif
106
107#ifdef SCTP_DEBUG
108#define SCTPCTL_NAMES { \
109 { 0, 0 }, \
110 { "sendspace", CTLTYPE_INT }, \
111 { "recvspace", CTLTYPE_INT }, \
112 { "autoasconf", CTLTYPE_INT }, \
113 { "ecn_enable", CTLTYPE_INT }, \
114 { "ecn_nonce", CTLTYPE_INT }, \
115 { "strict_sack", CTLTYPE_INT }, \
116 { "looback_nocsum", CTLTYPE_INT }, \
117 { "strict_init", CTLTYPE_INT }, \
118 { "peer_chkoh", CTLTYPE_INT }, \
119 { "maxburst", CTLTYPE_INT }, \
120 { "maxchunks", CTLTYPE_INT }, \
121 { "delayed_sack_time", CTLTYPE_INT }, \
122 { "heartbeat_interval", CTLTYPE_INT }, \
123 { "pmtu_raise_time", CTLTYPE_INT }, \
124 { "shutdown_guard_time", CTLTYPE_INT }, \
125 { "secret_lifetime", CTLTYPE_INT }, \
126 { "rto_max", CTLTYPE_INT }, \
127 { "rto_min", CTLTYPE_INT }, \
128 { "rto_initial", CTLTYPE_INT }, \
129 { "init_rto_max", CTLTYPE_INT }, \
130 { "valid_cookie_life", CTLTYPE_INT }, \
131 { "init_rtx_max", CTLTYPE_INT }, \
132 { "assoc_rtx_max", CTLTYPE_INT }, \
133 { "path_rtx_max", CTLTYPE_INT }, \
134 { "nr_outgoing_streams", CTLTYPE_INT }, \
135 { "cmt_on_off", CTLTYPE_INT }, \
136 { "cwnd_maxburst", CTLTYPE_INT }, \
137 { "early_fast_retran", CTLTYPE_INT }, \
138 { "use_rttvar_congctrl", CTLTYPE_INT }, \
139 { "deadlock_detect", CTLTYPE_INT }, \
140 { "early_fast_retran_msec", CTLTYPE_INT }, \
141 { "asconf_auth_nochk", CTLTYPE_INT }, \
142 { "auth_disable", CTLTYPE_INT }, \
143 { "auth_random_len", CTLTYPE_INT }, \
144 { "auth_hmac_id", CTLTYPE_INT }, \
145 { "abc_l_var", CTLTYPE_INT }, \
146 { "max_mbuf_chain", CTLTYPE_INT }, \
147 { "cmt_use_dac", CTLTYPE_INT }, \
148 { "do_sctp_drain", CTLTYPE_INT }, \
149 { "warm_crc_table", CTLTYPE_INT }, \
150 { "abort_at_limit", CTLTYPE_INT }, \
151 { "strict_data_order", CTLTYPE_INT }, \
152 { "tcbhashsize", CTLTYPE_INT }, \
153 { "pcbhashsize", CTLTYPE_INT }, \
154 { "chunkscale", CTLTYPE_INT }, \
155 { "min_split_point", CTLTYPE_INT }, \
156 { "add_more_on_output", CTLTYPE_INT }, \
157 { "sys_resource", CTLTYPE_INT }, \
158 { "asoc_resource", CTLTYPE_INT }, \
159 { "nat_friendly", CTLTYPE_INT }, \
160 { "debug", CTLTYPE_INT }, \
161}
162#else
163#define SCTPCTL_NAMES { \
164 { 0, 0 }, \
165 { "sendspace", CTLTYPE_INT }, \
166 { "recvspace", CTLTYPE_INT }, \
167 { "autoasconf", CTLTYPE_INT }, \
168 { "ecn_enable", CTLTYPE_INT }, \
169 { "ecn_nonce", CTLTYPE_INT }, \
170 { "strict_sack", CTLTYPE_INT }, \
171 { "looback_nocsum", CTLTYPE_INT }, \
172 { "strict_init", CTLTYPE_INT }, \
173 { "peer_chkoh", CTLTYPE_INT }, \
174 { "maxburst", CTLTYPE_INT }, \
175 { "maxchunks", CTLTYPE_INT }, \
176 { "delayed_sack_time", CTLTYPE_INT }, \
177 { "heartbeat_interval", CTLTYPE_INT }, \
178 { "pmtu_raise_time", CTLTYPE_INT }, \
179 { "shutdown_guard_time", CTLTYPE_INT }, \
180 { "secret_lifetime", CTLTYPE_INT }, \
181 { "rto_max", CTLTYPE_INT }, \
182 { "rto_min", CTLTYPE_INT }, \
183 { "rto_initial", CTLTYPE_INT }, \
184 { "init_rto_max", CTLTYPE_INT }, \
185 { "valid_cookie_life", CTLTYPE_INT }, \
186 { "init_rtx_max", CTLTYPE_INT }, \
187 { "assoc_rtx_max", CTLTYPE_INT }, \
188 { "path_rtx_max", CTLTYPE_INT }, \
189 { "nr_outgoing_streams", CTLTYPE_INT }, \
190 { "cmt_on_off", CTLTYPE_INT }, \
191 { "cwnd_maxburst", CTLTYPE_INT }, \
192 { "early_fast_retran", CTLTYPE_INT }, \
193 { "use_rttvar_congctrl", CTLTYPE_INT }, \
194 { "deadlock_detect", CTLTYPE_INT }, \
195 { "early_fast_retran_msec", CTLTYPE_INT }, \
196 { "asconf_auth_nochk", CTLTYPE_INT }, \
197 { "auth_disable", CTLTYPE_INT }, \
198 { "auth_random_len", CTLTYPE_INT }, \
199 { "auth_hmac_id", CTLTYPE_INT }, \
200 { "abc_l_var", CTLTYPE_INT }, \
201 { "max_mbuf_chain", CTLTYPE_INT }, \
202 { "cmt_use_dac", CTLTYPE_INT }, \
203 { "do_sctp_drain", CTLTYPE_INT }, \
204 { "warm_crc_table", CTLTYPE_INT }, \
205 { "abort_at_limit", CTLTYPE_INT }, \
206 { "strict_data_order", CTLTYPE_INT }, \
207 { "tcbhashsize", CTLTYPE_INT }, \
208 { "pcbhashsize", CTLTYPE_INT }, \
209 { "chunkscale", CTLTYPE_INT }, \
210 { "min_split_point", CTLTYPE_INT }, \
211 { "add_more_on_output", CTLTYPE_INT }, \
212 { "sys_resource", CTLTYPE_INT }, \
213 { "asoc_resource", CTLTYPE_INT }, \
214 { "nat_friendly", CTLTYPE_INT }, \
215}
216#endif
217
218
219#if defined(_KERNEL)
220
41#if defined(_KERNEL)
42
221#ifdef SYSCTL_DECL
222SYSCTL_DECL(_net_inet_sctp);
223#endif
224extern struct pr_usrreqs sctp_usrreqs;
225
226
227#define sctp_feature_on(inp, feature) (inp->sctp_features |= feature)
228#define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature)
229#define sctp_is_feature_on(inp, feature) (inp->sctp_features & feature)
230#define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
231
232#define sctp_sbspace(asoc, sb) ((long) (((sb)->sb_hiwat > (asoc)->sb_cc) ? ((sb)->sb_hiwat - (asoc)->sb_cc) : 0))
233
234#define sctp_sbspace_failedmsgs(sb) ((long) (((sb)->sb_hiwat > (sb)->sb_cc) ? ((sb)->sb_hiwat - (sb)->sb_cc) : 0))
235
236#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
237
43extern struct pr_usrreqs sctp_usrreqs;
44
45
46#define sctp_feature_on(inp, feature) (inp->sctp_features |= feature)
47#define sctp_feature_off(inp, feature) (inp->sctp_features &= ~feature)
48#define sctp_is_feature_on(inp, feature) (inp->sctp_features & feature)
49#define sctp_is_feature_off(inp, feature) ((inp->sctp_features & feature) == 0)
50
51#define sctp_sbspace(asoc, sb) ((long) (((sb)->sb_hiwat > (asoc)->sb_cc) ? ((sb)->sb_hiwat - (asoc)->sb_cc) : 0))
52
53#define sctp_sbspace_failedmsgs(sb) ((long) (((sb)->sb_hiwat > (sb)->sb_cc) ? ((sb)->sb_hiwat - (sb)->sb_cc) : 0))
54
55#define sctp_sbspace_sub(a,b) ((a > b) ? (a - b) : 0)
56
238extern uint32_t sctp_asoc_free_resc_limit;
239extern uint32_t sctp_system_free_resc_limit;
240
241/* I tried to cache the readq entries at one
242 * point. But the reality is that it did not
243 * add any performance since this meant
244 * we had to lock the STCB on read. And at that point
245 * once you have to do an extra lock, it really does
246 * not matter if the lock is in the ZONE stuff or
247 * in our code. Note that this same problem would
248 * occur with an mbuf cache as well so it is
249 * not really worth doing, at least right now :-D
57/*
58 * I tried to cache the readq entries at one point. But the reality
59 * is that it did not add any performance since this meant we had to
60 * lock the STCB on read. And at that point once you have to do an
61 * extra lock, it really does not matter if the lock is in the ZONE
62 * stuff or in our code. Note that this same problem would occur with
63 * an mbuf cache as well so it is not really worth doing, at least
64 * right now :-D
250 */
251
252#define sctp_free_a_readq(_stcb, _readq) { \
253 SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_readq, (_readq)); \
254 SCTP_DECR_READQ_COUNT(); \
255}
256
257#define sctp_alloc_a_readq(_stcb, _readq) { \

--- 54 unchanged lines hidden (view full) ---

312 atomic_subtract_int(&sctppcbinfo.ipi_free_chunks, 1); \
313 (_stcb)->asoc.free_chunk_cnt--; \
314 } \
315}
316
317
318
319#define sctp_free_remote_addr(__net) { \
65 */
66
67#define sctp_free_a_readq(_stcb, _readq) { \
68 SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_readq, (_readq)); \
69 SCTP_DECR_READQ_COUNT(); \
70}
71
72#define sctp_alloc_a_readq(_stcb, _readq) { \

--- 54 unchanged lines hidden (view full) ---

127 atomic_subtract_int(&sctppcbinfo.ipi_free_chunks, 1); \
128 (_stcb)->asoc.free_chunk_cnt--; \
129 } \
130}
131
132
133
134#define sctp_free_remote_addr(__net) { \
320 if ((__net)) { \
135 if ((__net)) { \
321 if (atomic_fetchadd_int(&(__net)->ref_count, -1) == 1) { \
322 SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
323 SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
324 SCTP_OS_TIMER_STOP(&(__net)->fr_timer.timer); \
136 if (atomic_fetchadd_int(&(__net)->ref_count, -1) == 1) { \
137 SCTP_OS_TIMER_STOP(&(__net)->rxt_timer.timer); \
138 SCTP_OS_TIMER_STOP(&(__net)->pmtu_timer.timer); \
139 SCTP_OS_TIMER_STOP(&(__net)->fr_timer.timer); \
140 if ((__net)->ro.ro_rt) { \
141 RTFREE((__net)->ro.ro_rt); \
142 (__net)->ro.ro_rt = NULL; \
143 } \
144 if ((__net)->src_addr_selected) { \
145 sctp_free_ifa((__net)->ro._s_addr); \
146 (__net)->ro._s_addr = NULL; \
147 } \
148 (__net)->src_addr_selected = 0; \
325 (__net)->dest_state = SCTP_ADDR_NOT_REACHABLE; \
326 SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_net, (__net)); \
327 SCTP_DECR_RADDR_COUNT(); \
328 } \
329 } \
330}
331
332#define sctp_sbfree(ctl, stcb, sb, m) { \

--- 70 unchanged lines hidden (view full) ---

403 (data) = SCTP_BUF_NEXT(_m); \
404 SCTP_BUF_NEXT(_m) = NULL; \
405 sctp_m_free(_m); \
406 _m = (data); \
407 } \
408} while (0)
409
410
149 (__net)->dest_state = SCTP_ADDR_NOT_REACHABLE; \
150 SCTP_ZONE_FREE(sctppcbinfo.ipi_zone_net, (__net)); \
151 SCTP_DECR_RADDR_COUNT(); \
152 } \
153 } \
154}
155
156#define sctp_sbfree(ctl, stcb, sb, m) { \

--- 70 unchanged lines hidden (view full) ---

227 (data) = SCTP_BUF_NEXT(_m); \
228 SCTP_BUF_NEXT(_m) = NULL; \
229 sctp_m_free(_m); \
230 _m = (data); \
231 } \
232} while (0)
233
234
411/*
412 * some sysctls
413 */
414extern int sctp_sendspace;
415extern int sctp_recvspace;
416extern int sctp_ecn_enable;
417extern int sctp_ecn_nonce;
418extern int sctp_use_cwnd_based_maxburst;
419extern unsigned int sctp_cmt_on_off;
420extern unsigned int sctp_cmt_use_dac;
421extern unsigned int sctp_cmt_sockopt_on_off;
422extern uint32_t sctp_nat_friendly;
423
424struct sctp_nets;
425struct sctp_inpcb;
426struct sctp_tcb;
427struct sctphdr;
428
429void sctp_ctlinput __P((int, struct sockaddr *, void *));
430int sctp_ctloutput __P((struct socket *, struct sockopt *));
431void sctp_input __P((struct mbuf *, int));
235struct sctp_nets;
236struct sctp_inpcb;
237struct sctp_tcb;
238struct sctphdr;
239
240void sctp_ctlinput __P((int, struct sockaddr *, void *));
241int sctp_ctloutput __P((struct socket *, struct sockopt *));
242void sctp_input __P((struct mbuf *, int));
432
433void sctp_drain __P((void));
434void sctp_init __P((void));
435
436
437void sctp_pcbinfo_cleanup(void);
438
439int sctp_shutdown __P((struct socket *));
440void sctp_notify

--- 22 unchanged lines hidden (view full) ---

463 int sctp_peeraddr(struct socket *,
464 struct sockaddr **
465);
466
467 int sctp_listen(struct socket *, int, struct thread *);
468
469 int sctp_accept(struct socket *, struct sockaddr **);
470
243void sctp_drain __P((void));
244void sctp_init __P((void));
245
246
247void sctp_pcbinfo_cleanup(void);
248
249int sctp_shutdown __P((struct socket *));
250void sctp_notify

--- 22 unchanged lines hidden (view full) ---

273 int sctp_peeraddr(struct socket *,
274 struct sockaddr **
275);
276
277 int sctp_listen(struct socket *, int, struct thread *);
278
279 int sctp_accept(struct socket *, struct sockaddr **);
280
471
472#endif /* _KERNEL */
473
474#endif /* !_NETINET_SCTP_VAR_H_ */
281#endif /* _KERNEL */
282
283#endif /* !_NETINET_SCTP_VAR_H_ */