kernel - Replace zalloc zones with kmalloc for PCBs
[dragonfly.git] / sys / netinet / sctputil.h
CommitLineData
8d60bf8a 1/* $KAME: sctputil.h,v 1.14 2004/08/17 04:06:21 itojun Exp $ */
6d49aa6f 2/* $DragonFly: src/sys/netinet/sctputil.h,v 1.6 2007/04/22 01:13:14 dillon Exp $ */
8d60bf8a 3
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4#ifndef _NETINET_SCTPUTIL_H_
5#define _NETINET_SCTPUTIL_H_
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6
7/*
8 * Copyright (C) 2002, 2003, 2004 Cisco Systems Inc,
9 * All rights reserved.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the project nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
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36#ifndef _SYS_TYPES_H_
37#include <sys/types.h>
38#endif
39#ifndef _SYS_SOCKET_H_
40#include <sys/socket.h>
41#endif
42
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43#if defined(_KERNEL) || (defined(__APPLE__) && defined(KERNEL))
44
45#ifdef SCTP_MBUF_DEBUG
46#define sctp_m_freem(m) do { \
a6ec04bc 47 kprintf("m_freem(%p) m->nxtpkt:%p at %s[%d]\n", \
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48 (m), (m)->m_next, __FILE__, __LINE__); \
49 m_freem(m); \
50} while (0);
51#else
52#define sctp_m_freem m_freem
53#endif
54
55#ifdef __APPLE__
56struct mbuf *sctp_m_copym(struct mbuf *m, int off, int len, int wait);
57#else
58#define sctp_m_copym m_copym
59#endif /* __APPLE__ */
60
61/*
62 * Zone(pool) allocation routines: MUST be defined for each OS
63 * zone = zone/pool pointer
64 * name = string name of the zone/pool
65 * size = size of each zone/pool element
66 * number = number of elements in zone/pool
67 */
8e062f96 68#if defined(__FreeBSD__) || defined(__DragonFly__)
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69#if __FreeBSD_version >= 500000
70#include <vm/uma.h>
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71#endif
72#elif defined(__NetBSD__) || defined(__OpenBSD__)
73#include <sys/pool.h>
74#endif
75
76/* SCTP_ZONE_INIT: initialize the zone */
8e062f96 77#if defined(__FreeBSD__) || defined(__DragonFly__)
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78#if __FreeBSD_version >= 500000
79#define UMA_ZFLAG_FULL 0x0020
80#define SCTP_ZONE_INIT(zone, name, size, number) { \
81 zone = uma_zcreate(name, size, NULL, NULL, NULL, NULL, UMA_ALIGN_PTR,\
82 UMA_ZFLAG_FULL); \
83 uma_zone_set_max(zone, number); \
84}
85#else
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86#define SCTP_ZONE_INIT(zone, name, size, number) \
87 do { \
88 zone.ks_shortdesc = name; \
89 zone.ks_size = size; \
90 malloc_init(&zone); \
91 } while(0)
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92#endif
93#elif defined(__APPLE__)
94#define SCTP_ZONE_INIT(zone, name, size, number) \
95 zone = (void *)zinit(size, number * size, number, name);
96#elif defined(__OpenBSD__) || defined(__NetBSD__)
97#define SCTP_ZONE_INIT(zone, name, size, number) \
98 pool_init(&(zone), size, 0, 0, 0, name, NULL);
99#else
100 /* don't know this OS! */
101 force_comile_error;
102#endif
103
104/* SCTP_ZONE_GET: allocate element from the zone */
105#if defined(__FreeBSD__)
106#if __FreeBSD_version >= 500000
107#define SCTP_ZONE_GET(zone) \
108 uma_zalloc(zone, M_NOWAIT);
109#else
110#define SCTP_ZONE_GET(zone) \
111 zalloci(zone);
112#endif
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113#elif defined(__DragonFly__)
114#define SCTP_ZONE_GET(zone) \
9f42c129 115 kmalloc(zone.ks_size, &zone, M_WAITOK|M_ZERO)
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116#elif defined(__APPLE__)
117#define SCTP_ZONE_GET(zone) \
118 zalloc(zone);
119#elif defined(__NetBSD__) || defined(__OpenBSD__)
120#define SCTP_ZONE_GET(zone) \
121 pool_get(&zone, PR_NOWAIT);
122#else
123 /* don't know this OS! */
124 force_comile_error;
125#endif
126
127/* SCTP_ZONE_FREE: free element from the zone */
128#if defined(__FreeBSD__)
129#if __FreeBSD_version >= 500000
130#define SCTP_ZONE_FREE(zone, element) \
131 uma_zfree(zone, element);
132#else
133#define SCTP_ZONE_FREE(zone, element) \
134 zfreei(zone, element);
135#endif
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136#elif defined(__DragonFly__)
137#define SCTP_ZONE_FREE(zone, element) \
9f42c129 138 kfree(element, &zone)
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139#elif defined(__APPLE__)
140#define SCTP_ZONE_FREE(zone, element) \
141 zfree(zone, element);
142#elif defined(__NetBSD__) || defined(__OpenBSD__)
143#define SCTP_ZONE_FREE(zone, element) \
144 pool_put(&zone, element);
145#else
146 /* don't know this OS! */
147 force_comile_error;
148#endif
149
150#define sctp_get_associd(stcb) ((sctp_assoc_t)stcb->asoc.my_vtag)
151
152/*
153 * Function prototypes
154 */
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155
156struct mbuf;
157struct ip;
158struct sockbuf;
159struct socket;
160struct sockaddr_in6;
161struct sctp_pcb;
162struct sctp_tcb;
163struct sctp_tmit_chunk;
164struct sctpchunk_listhead;
165struct sctphdr;
166struct sctp_inpcb;
167struct sctp_association;
168struct sctp_nets;
169
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170struct ifaddr *sctp_find_ifa_by_addr(struct sockaddr *sa);
171
172u_int32_t sctp_select_initial_TSN(struct sctp_pcb *);
173
174u_int32_t sctp_select_a_tag(struct sctp_inpcb *);
175
176int sctp_init_asoc(struct sctp_inpcb *, struct sctp_association *, int, uint32_t);
177
178void sctp_fill_random_store(struct sctp_pcb *);
179
180int sctp_timer_start(int, struct sctp_inpcb *, struct sctp_tcb *,
181 struct sctp_nets *);
182
183int sctp_timer_stop(int, struct sctp_inpcb *, struct sctp_tcb *,
184 struct sctp_nets *);
185
186u_int32_t sctp_calculate_sum(struct mbuf *, int32_t *, u_int32_t);
187
188void sctp_mtu_size_reset(struct sctp_inpcb *, struct sctp_association *,
189 u_long);
190
191int find_next_best_mtu(int);
192
193u_int32_t sctp_calculate_rto(struct sctp_tcb *, struct sctp_association *,
194 struct sctp_nets *, struct timeval *);
195
196u_int32_t sctp_calculate_len(struct mbuf *);
197
198caddr_t sctp_m_getptr(struct mbuf *, int, int, u_int8_t *);
199
200struct sctp_paramhdr *sctp_get_next_param(struct mbuf *, int,
201 struct sctp_paramhdr *, int);
202
203int sctp_add_pad_tombuf(struct mbuf *, int);
204
205int sctp_pad_lastmbuf(struct mbuf *, int);
206
207void sctp_ulp_notify(u_int32_t, struct sctp_tcb *, u_int32_t, void *);
208
209void sctp_report_all_outbound(struct sctp_tcb *);
210
211int sctp_expand_mapping_array(struct sctp_association *);
212
213void sctp_abort_notification(struct sctp_tcb *, int);
214
215/* We abort responding to an IP packet for some reason */
216void sctp_abort_association(struct sctp_inpcb *, struct sctp_tcb *,
217 struct mbuf *, int, struct sctphdr *, struct mbuf *);
218
219/* We choose to abort via user input */
220void sctp_abort_an_association(struct sctp_inpcb *, struct sctp_tcb *, int,
221 struct mbuf *);
222
223void sctp_handle_ootb(struct mbuf *, int, int, struct sctphdr *,
224 struct sctp_inpcb *, struct mbuf *);
225
226int sctp_is_there_an_abort_here(struct mbuf *, int, int *);
227uint32_t sctp_is_same_scope(struct sockaddr_in6 *, struct sockaddr_in6 *);
228struct sockaddr_in6 *sctp_recover_scope(struct sockaddr_in6 *,
229 struct sockaddr_in6 *);
230
231int sctp_cmpaddr(struct sockaddr *, struct sockaddr *);
232
233void sctp_print_address(struct sockaddr *);
234void sctp_print_address_pkt(struct ip *, struct sctphdr *);
235
6d49aa6f 236int sctp_sbappendaddr_nocheck(struct signalsockbuf *, struct sockaddr *,
f3f70f0d 237 struct mbuf *, struct mbuf *, u_int32_t, struct sctp_inpcb *);
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238
239
240int sctp_release_pr_sctp_chunk(struct sctp_tcb *, struct sctp_tmit_chunk *,
241 int, struct sctpchunk_listhead *);
242
243struct mbuf *sctp_generate_invmanparam(int);
244
245/*
246 * this is an evil layer violation that I think is a hack.. but I stand
247 * alone on the tsvwg in this thought... everyone else considers it part
248 * of the sockets layer (along with all of the peeloff code :<)
249 */
250u_int32_t sctp_get_first_vtag_from_sb(struct socket *);
251
252
253void sctp_grub_through_socket_buffer(struct sctp_inpcb *, struct socket *,
254 struct socket *, struct sctp_tcb *);
255
256void sctp_free_bufspace(struct sctp_tcb *, struct sctp_association *,
257 struct sctp_tmit_chunk *);
258
259#ifdef SCTP_STAT_LOGGING
260void sctp_log_strm_del_alt(u_int32_t, u_int16_t, int);
261
262void sctp_log_strm_del(struct sctp_tmit_chunk *, struct sctp_tmit_chunk *, int);
263void sctp_log_cwnd(struct sctp_nets *, int, uint8_t);
264void sctp_log_maxburst(struct sctp_nets *, int, int, uint8_t);
265void sctp_log_block(uint8_t, struct socket *, struct sctp_association *);
266void sctp_log_rwnd(uint8_t, u_int32_t, u_int32_t, u_int32_t );
267void sctp_log_mbcnt(uint8_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t);
268void sctp_log_rwnd_set(uint8_t, u_int32_t, u_int32_t, u_int32_t, u_int32_t);
269int sctp_fill_stat_log(struct mbuf *);
270void sctp_log_fr(uint32_t, uint32_t, uint32_t, int);
271void sctp_log_map(uint32_t, uint32_t, uint32_t, int);
272
273void sctp_clr_stat_log(void);
274
275#endif
276
277#ifdef SCTP_AUDITING_ENABLED
278void sctp_auditing(int, struct sctp_inpcb *, struct sctp_tcb *,
279 struct sctp_nets *);
280void sctp_audit_log(u_int8_t, u_int8_t);
281
282#endif
283
8e062f96 284#if defined(SCTP_BASE_FREEBSD) || defined(__DragonFly__)
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285/* Note: these are in <sys/time.h>, but not in kernel space */
286#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
287#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)
288#define timercmp(tvp, uvp, cmp) \
289 (((tvp)->tv_sec == (uvp)->tv_sec) ? \
290 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \
291 ((tvp)->tv_sec cmp (uvp)->tv_sec))
292#define timeradd(tvp, uvp, vvp) \
293 do { \
294 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
295 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
296 if ((vvp)->tv_usec >= 1000000) { \
297 (vvp)->tv_sec++; \
298 (vvp)->tv_usec -= 1000000; \
299 } \
300 } while (/* CONSTCOND */ 0)
301#define timersub(tvp, uvp, vvp) \
302 do { \
303 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
304 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
305 if ((vvp)->tv_usec < 0) { \
306 (vvp)->tv_sec--; \
307 (vvp)->tv_usec += 1000000; \
308 } \
309 } while (/* CONSTCOND */ 0)
310#endif /* SCTP_BASE_FREEBSD */
311
312#endif /* _KERNEL */
313#endif