1/*-
2 * Copyright (c) 2006-2007, by 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.
9 *
10 * b) Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the distribution.
13 *
14 * c) Neither the name of Cisco Systems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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#include <sys/cdefs.h>
| 1/*-
2 * Copyright (c) 2006-2007, by 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.
9 *
10 * b) Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the distribution.
13 *
14 * c) Neither the name of Cisco Systems, Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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#include <sys/cdefs.h>
|
31__FBSDID("$FreeBSD: head/sys/netinet/sctp_os_bsd.h 211969 2010-08-29 18:50:30Z tuexen $");
| 31__FBSDID("$FreeBSD: head/sys/netinet/sctp_os_bsd.h 215034 2010-11-09 10:59:09Z brucec $");
|
32#ifndef __sctp_os_bsd_h__
33#define __sctp_os_bsd_h__
34/*
35 * includes
36 */
37#include "opt_ipsec.h"
38#include "opt_compat.h"
39#include "opt_inet6.h"
40#include "opt_inet.h"
41#include "opt_sctp.h"
42
43#include <sys/param.h>
44#include <sys/ktr.h>
45#include <sys/systm.h>
46#include <sys/malloc.h>
47#include <sys/kernel.h>
48#include <sys/sysctl.h>
49#include <sys/mbuf.h>
50#include <sys/protosw.h>
51#include <sys/socket.h>
52#include <sys/socketvar.h>
53#include <sys/jail.h>
54#include <sys/sysctl.h>
55#include <sys/resourcevar.h>
56#include <sys/uio.h>
57#include <sys/lock.h>
58#include <sys/rwlock.h>
59#include <sys/kthread.h>
60#include <sys/priv.h>
61#include <sys/random.h>
62#include <sys/limits.h>
63#include <sys/queue.h>
64#include <machine/cpu.h>
65
66#include <net/if.h>
67#include <net/if_types.h>
68#include <net/if_var.h>
69#include <net/route.h>
70#include <net/vnet.h>
71
72#include <netinet/in.h>
73#include <netinet/in_systm.h>
74#include <netinet/ip.h>
75#include <netinet/in_pcb.h>
76#include <netinet/in_var.h>
77#include <netinet/ip_var.h>
78#include <netinet/ip_icmp.h>
79#include <netinet/icmp_var.h>
80
81#ifdef IPSEC
82#include <netipsec/ipsec.h>
83#include <netipsec/key.h>
84#endif /* IPSEC */
85
86#ifdef INET6
87#include <sys/domain.h>
88#ifdef IPSEC
89#include <netipsec/ipsec6.h>
90#endif
91#include <netinet/ip6.h>
92#include <netinet6/ip6_var.h>
93#include <netinet6/in6_pcb.h>
94#include <netinet/icmp6.h>
95#include <netinet6/ip6protosw.h>
96#include <netinet6/nd6.h>
97#include <netinet6/scope6_var.h>
98#endif /* INET6 */
99
100
101#include <netinet/ip_options.h>
102
103#ifndef in6pcb
104#define in6pcb inpcb
105#endif
106/* Declare all the malloc names for all the various mallocs */
107MALLOC_DECLARE(SCTP_M_MAP);
108MALLOC_DECLARE(SCTP_M_STRMI);
109MALLOC_DECLARE(SCTP_M_STRMO);
110MALLOC_DECLARE(SCTP_M_ASC_ADDR);
111MALLOC_DECLARE(SCTP_M_ASC_IT);
112MALLOC_DECLARE(SCTP_M_AUTH_CL);
113MALLOC_DECLARE(SCTP_M_AUTH_KY);
114MALLOC_DECLARE(SCTP_M_AUTH_HL);
115MALLOC_DECLARE(SCTP_M_AUTH_IF);
116MALLOC_DECLARE(SCTP_M_STRESET);
117MALLOC_DECLARE(SCTP_M_CMSG);
118MALLOC_DECLARE(SCTP_M_COPYAL);
119MALLOC_DECLARE(SCTP_M_VRF);
120MALLOC_DECLARE(SCTP_M_IFA);
121MALLOC_DECLARE(SCTP_M_IFN);
122MALLOC_DECLARE(SCTP_M_TIMW);
123MALLOC_DECLARE(SCTP_M_MVRF);
124MALLOC_DECLARE(SCTP_M_ITER);
125MALLOC_DECLARE(SCTP_M_SOCKOPT);
126
127#if defined(SCTP_LOCAL_TRACE_BUF)
128
129#define SCTP_GET_CYCLECOUNT get_cyclecount()
130#define SCTP_CTR6 sctp_log_trace
131
132#else
133#define SCTP_CTR6 CTR6
134#endif
135
136/*
137 * Macros to expand out globals defined by various modules
138 * to either a real global or a virtualized instance of one,
139 * depending on whether VIMAGE is defined.
140 */
141/* then define the macro(s) that hook into the vimage macros */
142#define MODULE_GLOBAL(__SYMBOL) V_##__SYMBOL
143
144#define V_system_base_info VNET(system_base_info)
145#define SCTP_BASE_INFO(__m) V_system_base_info.sctppcbinfo.__m
146#define SCTP_BASE_STATS V_system_base_info.sctpstat
147#define SCTP_BASE_STATS_SYSCTL VNET_NAME(system_base_info.sctpstat)
148#define SCTP_BASE_STAT(__m) V_system_base_info.sctpstat.__m
149#define SCTP_BASE_SYSCTL(__m) VNET_NAME(system_base_info.sctpsysctl.__m)
150#define SCTP_BASE_VAR(__m) V_system_base_info.__m
151
152/*
153 *
154 */
155#define USER_ADDR_NULL (NULL) /* FIX ME: temp */
156
157#if defined(SCTP_DEBUG)
158#define SCTPDBG(level, params...) \
159{ \
160 do { \
161 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level ) { \
162 printf(params); \
163 } \
164 } while (0); \
165}
166#define SCTPDBG_ADDR(level, addr) \
167{ \
168 do { \
169 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level ) { \
170 sctp_print_address(addr); \
171 } \
172 } while (0); \
173}
174#define SCTPDBG_PKT(level, iph, sh) \
175{ \
176 do { \
177 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level) { \
178 sctp_print_address_pkt(iph, sh); \
179 } \
180 } while (0); \
181}
182#else
183#define SCTPDBG(level, params...)
184#define SCTPDBG_ADDR(level, addr)
185#define SCTPDBG_PKT(level, iph, sh)
186#endif
187#define SCTP_PRINTF(params...) printf(params)
188
189#ifdef SCTP_LTRACE_CHUNKS
190#define SCTP_LTRACE_CHK(a, b, c, d) if(SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LTRACE_CHUNK_ENABLE) SCTP_CTR6(KTR_SUBSYS, "SCTP:%d[%d]:%x-%x-%x-%x", SCTP_LOG_CHUNK_PROC, 0, a, b, c, d)
191#else
192#define SCTP_LTRACE_CHK(a, b, c, d)
193#endif
194
195#ifdef SCTP_LTRACE_ERRORS
196#define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err) if(SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LTRACE_ERROR_ENABLE) \
197 printf("mbuf:%p inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \
198 m, inp, stcb, net, file, __LINE__, err);
199#define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err) if(SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LTRACE_ERROR_ENABLE) \
200 printf("inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \
201 inp, stcb, net, file, __LINE__, err);
202#else
203#define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err)
204#define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err)
205#endif
206
207
208/*
209 * Local address and interface list handling
210 */
211#define SCTP_MAX_VRF_ID 0
212#define SCTP_SIZE_OF_VRF_HASH 3
213#define SCTP_IFNAMSIZ IFNAMSIZ
214#define SCTP_DEFAULT_VRFID 0
215#define SCTP_VRF_ADDR_HASH_SIZE 16
216#define SCTP_VRF_IFN_HASH_SIZE 3
217#define SCTP_INIT_VRF_TABLEID(vrf)
218
219#define SCTP_IFN_IS_IFT_LOOP(ifn) ((ifn)->ifn_type == IFT_LOOP)
220#define SCTP_ROUTE_IS_REAL_LOOP(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifa && (ro)->ro_rt->rt_ifa->ifa_ifp && (ro)->ro_rt->rt_ifa->ifa_ifp->if_type == IFT_LOOP)
221
222/*
223 * Access to IFN's to help with src-addr-selection
224 */
225/* This could return VOID if the index works but for BSD we provide both. */
226#define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) (void *)ro->ro_rt->rt_ifp
227#define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) (ro)->ro_rt->rt_ifp->if_index
228#define SCTP_ROUTE_HAS_VALID_IFN(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifp)
229
230/*
231 * general memory allocation
232 */
233#define SCTP_MALLOC(var, type, size, name) \
234 do { \
235 var = (type)malloc(size, name, M_NOWAIT); \
236 } while (0)
237
238#define SCTP_FREE(var, type) free(var, type)
239
240#define SCTP_MALLOC_SONAME(var, type, size) \
241 do { \
242 var = (type)malloc(size, M_SONAME, M_WAITOK | M_ZERO); \
243 } while (0)
244
245#define SCTP_FREE_SONAME(var) free(var, M_SONAME)
246
247#define SCTP_PROCESS_STRUCT struct proc *
248
249/*
250 * zone allocation functions
251 */
252#include <vm/uma.h>
253
254/* SCTP_ZONE_INIT: initialize the zone */
255typedef struct uma_zone *sctp_zone_t;
256
257#define SCTP_ZONE_INIT(zone, name, size, number) { \
258 zone = uma_zcreate(name, size, NULL, NULL, NULL, NULL, UMA_ALIGN_PTR,\
259 0); \
260 uma_zone_set_max(zone, number); \
261}
262
263#define SCTP_ZONE_DESTROY(zone) uma_zdestroy(zone)
264
265/* SCTP_ZONE_GET: allocate element from the zone */
266#define SCTP_ZONE_GET(zone, type) \
267 (type *)uma_zalloc(zone, M_NOWAIT);
268
269/* SCTP_ZONE_FREE: free element from the zone */
270#define SCTP_ZONE_FREE(zone, element) \
271 uma_zfree(zone, element);
272
273#define SCTP_HASH_INIT(size, hashmark) hashinit_flags(size, M_PCB, hashmark, HASH_NOWAIT)
274#define SCTP_HASH_FREE(table, hashmark) hashdestroy(table, M_PCB, hashmark)
275
276#define SCTP_M_COPYM m_copym
277
278/*
279 * timers
280 */
281#include <sys/callout.h>
282typedef struct callout sctp_os_timer_t;
283
284
285#define SCTP_OS_TIMER_INIT(tmr) callout_init(tmr, 1)
286#define SCTP_OS_TIMER_START callout_reset
287#define SCTP_OS_TIMER_STOP callout_stop
288#define SCTP_OS_TIMER_STOP_DRAIN callout_drain
289#define SCTP_OS_TIMER_PENDING callout_pending
290#define SCTP_OS_TIMER_ACTIVE callout_active
291#define SCTP_OS_TIMER_DEACTIVATE callout_deactivate
292
293#define sctp_get_tick_count() (ticks)
294
295#define SCTP_UNUSED __attribute__((unused))
296
297/*
298 * Functions
299 */
300/* Mbuf manipulation and access macros */
301#define SCTP_BUF_LEN(m) (m->m_len)
302#define SCTP_BUF_NEXT(m) (m->m_next)
303#define SCTP_BUF_NEXT_PKT(m) (m->m_nextpkt)
304#define SCTP_BUF_RESV_UF(m, size) m->m_data += size
305#define SCTP_BUF_AT(m, size) m->m_data + size
306#define SCTP_BUF_IS_EXTENDED(m) (m->m_flags & M_EXT)
307#define SCTP_BUF_EXTEND_SIZE(m) (m->m_ext.ext_size)
308#define SCTP_BUF_TYPE(m) (m->m_type)
309#define SCTP_BUF_RECVIF(m) (m->m_pkthdr.rcvif)
310#define SCTP_BUF_PREPEND M_PREPEND
311
312#define SCTP_ALIGN_TO_END(m, len) if(m->m_flags & M_PKTHDR) { \
313 MH_ALIGN(m, len); \
314 } else if ((m->m_flags & M_EXT) == 0) { \
315 M_ALIGN(m, len); \
316 }
317
318/* We make it so if you have up to 4 threads
| 32#ifndef __sctp_os_bsd_h__
33#define __sctp_os_bsd_h__
34/*
35 * includes
36 */
37#include "opt_ipsec.h"
38#include "opt_compat.h"
39#include "opt_inet6.h"
40#include "opt_inet.h"
41#include "opt_sctp.h"
42
43#include <sys/param.h>
44#include <sys/ktr.h>
45#include <sys/systm.h>
46#include <sys/malloc.h>
47#include <sys/kernel.h>
48#include <sys/sysctl.h>
49#include <sys/mbuf.h>
50#include <sys/protosw.h>
51#include <sys/socket.h>
52#include <sys/socketvar.h>
53#include <sys/jail.h>
54#include <sys/sysctl.h>
55#include <sys/resourcevar.h>
56#include <sys/uio.h>
57#include <sys/lock.h>
58#include <sys/rwlock.h>
59#include <sys/kthread.h>
60#include <sys/priv.h>
61#include <sys/random.h>
62#include <sys/limits.h>
63#include <sys/queue.h>
64#include <machine/cpu.h>
65
66#include <net/if.h>
67#include <net/if_types.h>
68#include <net/if_var.h>
69#include <net/route.h>
70#include <net/vnet.h>
71
72#include <netinet/in.h>
73#include <netinet/in_systm.h>
74#include <netinet/ip.h>
75#include <netinet/in_pcb.h>
76#include <netinet/in_var.h>
77#include <netinet/ip_var.h>
78#include <netinet/ip_icmp.h>
79#include <netinet/icmp_var.h>
80
81#ifdef IPSEC
82#include <netipsec/ipsec.h>
83#include <netipsec/key.h>
84#endif /* IPSEC */
85
86#ifdef INET6
87#include <sys/domain.h>
88#ifdef IPSEC
89#include <netipsec/ipsec6.h>
90#endif
91#include <netinet/ip6.h>
92#include <netinet6/ip6_var.h>
93#include <netinet6/in6_pcb.h>
94#include <netinet/icmp6.h>
95#include <netinet6/ip6protosw.h>
96#include <netinet6/nd6.h>
97#include <netinet6/scope6_var.h>
98#endif /* INET6 */
99
100
101#include <netinet/ip_options.h>
102
103#ifndef in6pcb
104#define in6pcb inpcb
105#endif
106/* Declare all the malloc names for all the various mallocs */
107MALLOC_DECLARE(SCTP_M_MAP);
108MALLOC_DECLARE(SCTP_M_STRMI);
109MALLOC_DECLARE(SCTP_M_STRMO);
110MALLOC_DECLARE(SCTP_M_ASC_ADDR);
111MALLOC_DECLARE(SCTP_M_ASC_IT);
112MALLOC_DECLARE(SCTP_M_AUTH_CL);
113MALLOC_DECLARE(SCTP_M_AUTH_KY);
114MALLOC_DECLARE(SCTP_M_AUTH_HL);
115MALLOC_DECLARE(SCTP_M_AUTH_IF);
116MALLOC_DECLARE(SCTP_M_STRESET);
117MALLOC_DECLARE(SCTP_M_CMSG);
118MALLOC_DECLARE(SCTP_M_COPYAL);
119MALLOC_DECLARE(SCTP_M_VRF);
120MALLOC_DECLARE(SCTP_M_IFA);
121MALLOC_DECLARE(SCTP_M_IFN);
122MALLOC_DECLARE(SCTP_M_TIMW);
123MALLOC_DECLARE(SCTP_M_MVRF);
124MALLOC_DECLARE(SCTP_M_ITER);
125MALLOC_DECLARE(SCTP_M_SOCKOPT);
126
127#if defined(SCTP_LOCAL_TRACE_BUF)
128
129#define SCTP_GET_CYCLECOUNT get_cyclecount()
130#define SCTP_CTR6 sctp_log_trace
131
132#else
133#define SCTP_CTR6 CTR6
134#endif
135
136/*
137 * Macros to expand out globals defined by various modules
138 * to either a real global or a virtualized instance of one,
139 * depending on whether VIMAGE is defined.
140 */
141/* then define the macro(s) that hook into the vimage macros */
142#define MODULE_GLOBAL(__SYMBOL) V_##__SYMBOL
143
144#define V_system_base_info VNET(system_base_info)
145#define SCTP_BASE_INFO(__m) V_system_base_info.sctppcbinfo.__m
146#define SCTP_BASE_STATS V_system_base_info.sctpstat
147#define SCTP_BASE_STATS_SYSCTL VNET_NAME(system_base_info.sctpstat)
148#define SCTP_BASE_STAT(__m) V_system_base_info.sctpstat.__m
149#define SCTP_BASE_SYSCTL(__m) VNET_NAME(system_base_info.sctpsysctl.__m)
150#define SCTP_BASE_VAR(__m) V_system_base_info.__m
151
152/*
153 *
154 */
155#define USER_ADDR_NULL (NULL) /* FIX ME: temp */
156
157#if defined(SCTP_DEBUG)
158#define SCTPDBG(level, params...) \
159{ \
160 do { \
161 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level ) { \
162 printf(params); \
163 } \
164 } while (0); \
165}
166#define SCTPDBG_ADDR(level, addr) \
167{ \
168 do { \
169 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level ) { \
170 sctp_print_address(addr); \
171 } \
172 } while (0); \
173}
174#define SCTPDBG_PKT(level, iph, sh) \
175{ \
176 do { \
177 if (SCTP_BASE_SYSCTL(sctp_debug_on) & level) { \
178 sctp_print_address_pkt(iph, sh); \
179 } \
180 } while (0); \
181}
182#else
183#define SCTPDBG(level, params...)
184#define SCTPDBG_ADDR(level, addr)
185#define SCTPDBG_PKT(level, iph, sh)
186#endif
187#define SCTP_PRINTF(params...) printf(params)
188
189#ifdef SCTP_LTRACE_CHUNKS
190#define SCTP_LTRACE_CHK(a, b, c, d) if(SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LTRACE_CHUNK_ENABLE) SCTP_CTR6(KTR_SUBSYS, "SCTP:%d[%d]:%x-%x-%x-%x", SCTP_LOG_CHUNK_PROC, 0, a, b, c, d)
191#else
192#define SCTP_LTRACE_CHK(a, b, c, d)
193#endif
194
195#ifdef SCTP_LTRACE_ERRORS
196#define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err) if(SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LTRACE_ERROR_ENABLE) \
197 printf("mbuf:%p inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \
198 m, inp, stcb, net, file, __LINE__, err);
199#define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err) if(SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LTRACE_ERROR_ENABLE) \
200 printf("inp:%p stcb:%p net:%p file:%x line:%d error:%d\n", \
201 inp, stcb, net, file, __LINE__, err);
202#else
203#define SCTP_LTRACE_ERR_RET_PKT(m, inp, stcb, net, file, err)
204#define SCTP_LTRACE_ERR_RET(inp, stcb, net, file, err)
205#endif
206
207
208/*
209 * Local address and interface list handling
210 */
211#define SCTP_MAX_VRF_ID 0
212#define SCTP_SIZE_OF_VRF_HASH 3
213#define SCTP_IFNAMSIZ IFNAMSIZ
214#define SCTP_DEFAULT_VRFID 0
215#define SCTP_VRF_ADDR_HASH_SIZE 16
216#define SCTP_VRF_IFN_HASH_SIZE 3
217#define SCTP_INIT_VRF_TABLEID(vrf)
218
219#define SCTP_IFN_IS_IFT_LOOP(ifn) ((ifn)->ifn_type == IFT_LOOP)
220#define SCTP_ROUTE_IS_REAL_LOOP(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifa && (ro)->ro_rt->rt_ifa->ifa_ifp && (ro)->ro_rt->rt_ifa->ifa_ifp->if_type == IFT_LOOP)
221
222/*
223 * Access to IFN's to help with src-addr-selection
224 */
225/* This could return VOID if the index works but for BSD we provide both. */
226#define SCTP_GET_IFN_VOID_FROM_ROUTE(ro) (void *)ro->ro_rt->rt_ifp
227#define SCTP_GET_IF_INDEX_FROM_ROUTE(ro) (ro)->ro_rt->rt_ifp->if_index
228#define SCTP_ROUTE_HAS_VALID_IFN(ro) ((ro)->ro_rt && (ro)->ro_rt->rt_ifp)
229
230/*
231 * general memory allocation
232 */
233#define SCTP_MALLOC(var, type, size, name) \
234 do { \
235 var = (type)malloc(size, name, M_NOWAIT); \
236 } while (0)
237
238#define SCTP_FREE(var, type) free(var, type)
239
240#define SCTP_MALLOC_SONAME(var, type, size) \
241 do { \
242 var = (type)malloc(size, M_SONAME, M_WAITOK | M_ZERO); \
243 } while (0)
244
245#define SCTP_FREE_SONAME(var) free(var, M_SONAME)
246
247#define SCTP_PROCESS_STRUCT struct proc *
248
249/*
250 * zone allocation functions
251 */
252#include <vm/uma.h>
253
254/* SCTP_ZONE_INIT: initialize the zone */
255typedef struct uma_zone *sctp_zone_t;
256
257#define SCTP_ZONE_INIT(zone, name, size, number) { \
258 zone = uma_zcreate(name, size, NULL, NULL, NULL, NULL, UMA_ALIGN_PTR,\
259 0); \
260 uma_zone_set_max(zone, number); \
261}
262
263#define SCTP_ZONE_DESTROY(zone) uma_zdestroy(zone)
264
265/* SCTP_ZONE_GET: allocate element from the zone */
266#define SCTP_ZONE_GET(zone, type) \
267 (type *)uma_zalloc(zone, M_NOWAIT);
268
269/* SCTP_ZONE_FREE: free element from the zone */
270#define SCTP_ZONE_FREE(zone, element) \
271 uma_zfree(zone, element);
272
273#define SCTP_HASH_INIT(size, hashmark) hashinit_flags(size, M_PCB, hashmark, HASH_NOWAIT)
274#define SCTP_HASH_FREE(table, hashmark) hashdestroy(table, M_PCB, hashmark)
275
276#define SCTP_M_COPYM m_copym
277
278/*
279 * timers
280 */
281#include <sys/callout.h>
282typedef struct callout sctp_os_timer_t;
283
284
285#define SCTP_OS_TIMER_INIT(tmr) callout_init(tmr, 1)
286#define SCTP_OS_TIMER_START callout_reset
287#define SCTP_OS_TIMER_STOP callout_stop
288#define SCTP_OS_TIMER_STOP_DRAIN callout_drain
289#define SCTP_OS_TIMER_PENDING callout_pending
290#define SCTP_OS_TIMER_ACTIVE callout_active
291#define SCTP_OS_TIMER_DEACTIVATE callout_deactivate
292
293#define sctp_get_tick_count() (ticks)
294
295#define SCTP_UNUSED __attribute__((unused))
296
297/*
298 * Functions
299 */
300/* Mbuf manipulation and access macros */
301#define SCTP_BUF_LEN(m) (m->m_len)
302#define SCTP_BUF_NEXT(m) (m->m_next)
303#define SCTP_BUF_NEXT_PKT(m) (m->m_nextpkt)
304#define SCTP_BUF_RESV_UF(m, size) m->m_data += size
305#define SCTP_BUF_AT(m, size) m->m_data + size
306#define SCTP_BUF_IS_EXTENDED(m) (m->m_flags & M_EXT)
307#define SCTP_BUF_EXTEND_SIZE(m) (m->m_ext.ext_size)
308#define SCTP_BUF_TYPE(m) (m->m_type)
309#define SCTP_BUF_RECVIF(m) (m->m_pkthdr.rcvif)
310#define SCTP_BUF_PREPEND M_PREPEND
311
312#define SCTP_ALIGN_TO_END(m, len) if(m->m_flags & M_PKTHDR) { \
313 MH_ALIGN(m, len); \
314 } else if ((m->m_flags & M_EXT) == 0) { \
315 M_ALIGN(m, len); \
316 }
317
318/* We make it so if you have up to 4 threads
|
319 * writting based on the default size of
| 319 * writing based on the default size of
|
320 * the packet log 65 k, that would be
321 * 4 16k packets before we would hit
322 * a problem.
323 */
324#define SCTP_PKTLOG_WRITERS_NEED_LOCK 3
325
326/*************************/
327/* MTU */
328/*************************/
329#define SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, af) ((struct ifnet *)ifn)->if_mtu
330#define SCTP_GATHER_MTU_FROM_ROUTE(sctp_ifa, sa, rt) ((rt != NULL) ? rt->rt_rmx.rmx_mtu : 0)
331#define SCTP_GATHER_MTU_FROM_INTFC(sctp_ifn) ((sctp_ifn->ifn_p != NULL) ? ((struct ifnet *)(sctp_ifn->ifn_p))->if_mtu : 0)
332#define SCTP_SET_MTU_OF_ROUTE(sa, rt, mtu) do { \
333 if (rt != NULL) \
334 rt->rt_rmx.rmx_mtu = mtu; \
335 } while(0)
336
337/* (de-)register interface event notifications */
338#define SCTP_REGISTER_INTERFACE(ifhandle, af)
339#define SCTP_DEREGISTER_INTERFACE(ifhandle, af)
340
341
342/*************************/
343/* These are for logging */
344/*************************/
345/* return the base ext data pointer */
346#define SCTP_BUF_EXTEND_BASE(m) (m->m_ext.ext_buf)
347 /* return the refcnt of the data pointer */
348#define SCTP_BUF_EXTEND_REFCNT(m) (*m->m_ext.ref_cnt)
349/* return any buffer related flags, this is
350 * used beyond logging for apple only.
351 */
352#define SCTP_BUF_GET_FLAGS(m) (m->m_flags)
353
354/* For BSD this just accesses the M_PKTHDR length
355 * so it operates on an mbuf with hdr flag. Other
| 320 * the packet log 65 k, that would be
321 * 4 16k packets before we would hit
322 * a problem.
323 */
324#define SCTP_PKTLOG_WRITERS_NEED_LOCK 3
325
326/*************************/
327/* MTU */
328/*************************/
329#define SCTP_GATHER_MTU_FROM_IFN_INFO(ifn, ifn_index, af) ((struct ifnet *)ifn)->if_mtu
330#define SCTP_GATHER_MTU_FROM_ROUTE(sctp_ifa, sa, rt) ((rt != NULL) ? rt->rt_rmx.rmx_mtu : 0)
331#define SCTP_GATHER_MTU_FROM_INTFC(sctp_ifn) ((sctp_ifn->ifn_p != NULL) ? ((struct ifnet *)(sctp_ifn->ifn_p))->if_mtu : 0)
332#define SCTP_SET_MTU_OF_ROUTE(sa, rt, mtu) do { \
333 if (rt != NULL) \
334 rt->rt_rmx.rmx_mtu = mtu; \
335 } while(0)
336
337/* (de-)register interface event notifications */
338#define SCTP_REGISTER_INTERFACE(ifhandle, af)
339#define SCTP_DEREGISTER_INTERFACE(ifhandle, af)
340
341
342/*************************/
343/* These are for logging */
344/*************************/
345/* return the base ext data pointer */
346#define SCTP_BUF_EXTEND_BASE(m) (m->m_ext.ext_buf)
347 /* return the refcnt of the data pointer */
348#define SCTP_BUF_EXTEND_REFCNT(m) (*m->m_ext.ref_cnt)
349/* return any buffer related flags, this is
350 * used beyond logging for apple only.
351 */
352#define SCTP_BUF_GET_FLAGS(m) (m->m_flags)
353
354/* For BSD this just accesses the M_PKTHDR length
355 * so it operates on an mbuf with hdr flag. Other
|
356 * O/S's may have seperate packet header and mbuf
| 356 * O/S's may have separate packet header and mbuf
|
357 * chain pointers.. thus the macro.
358 */
359#define SCTP_HEADER_TO_CHAIN(m) (m)
360#define SCTP_DETACH_HEADER_FROM_CHAIN(m)
361#define SCTP_HEADER_LEN(m) (m->m_pkthdr.len)
362#define SCTP_GET_HEADER_FOR_OUTPUT(o_pak) 0
363#define SCTP_RELEASE_HEADER(m)
364#define SCTP_RELEASE_PKT(m) sctp_m_freem(m)
365#define SCTP_ENABLE_UDP_CSUM(m) do { \
366 m->m_pkthdr.csum_flags = CSUM_UDP; \
367 m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum); \
368 } while (0)
369
370#define SCTP_GET_PKT_VRFID(m, vrf_id) ((vrf_id = SCTP_DEFAULT_VRFID) != SCTP_DEFAULT_VRFID)
371
372
373
374/* Attach the chain of data into the sendable packet. */
375#define SCTP_ATTACH_CHAIN(pak, m, packet_length) do { \
376 pak = m; \
377 pak->m_pkthdr.len = packet_length; \
378 } while(0)
379
380/* Other m_pkthdr type things */
381#define SCTP_IS_IT_BROADCAST(dst, m) ((m->m_flags & M_PKTHDR) ? in_broadcast(dst, m->m_pkthdr.rcvif) : 0)
382#define SCTP_IS_IT_LOOPBACK(m) ((m->m_flags & M_PKTHDR) && ((m->m_pkthdr.rcvif == NULL) || (m->m_pkthdr.rcvif->if_type == IFT_LOOP)))
383
384
385/* This converts any input packet header
386 * into the chain of data holders, for BSD
387 * its a NOP.
388 */
389
390/* Macro's for getting length from V6/V4 header */
391#define SCTP_GET_IPV4_LENGTH(iph) (iph->ip_len)
392#define SCTP_GET_IPV6_LENGTH(ip6) (ntohs(ip6->ip6_plen))
393
394/* get the v6 hop limit */
395#define SCTP_GET_HLIM(inp, ro) in6_selecthlim((struct in6pcb *)&inp->ip_inp.inp, (ro ? (ro->ro_rt ? (ro->ro_rt->rt_ifp) : (NULL)) : (NULL)));
396
397/* is the endpoint v6only? */
398#define SCTP_IPV6_V6ONLY(inp) (((struct inpcb *)inp)->inp_flags & IN6P_IPV6_V6ONLY)
399/* is the socket non-blocking? */
400#define SCTP_SO_IS_NBIO(so) ((so)->so_state & SS_NBIO)
401#define SCTP_SET_SO_NBIO(so) ((so)->so_state |= SS_NBIO)
402#define SCTP_CLEAR_SO_NBIO(so) ((so)->so_state &= ~SS_NBIO)
403/* get the socket type */
404#define SCTP_SO_TYPE(so) ((so)->so_type)
405/* reserve sb space for a socket */
406#define SCTP_SORESERVE(so, send, recv) soreserve(so, send, recv)
407/* wakeup a socket */
408#define SCTP_SOWAKEUP(so) wakeup(&(so)->so_timeo)
409/* clear the socket buffer state */
410#define SCTP_SB_CLEAR(sb) \
411 (sb).sb_cc = 0; \
412 (sb).sb_mb = NULL; \
413 (sb).sb_mbcnt = 0;
414
415#define SCTP_SB_LIMIT_RCV(so) so->so_rcv.sb_hiwat
416#define SCTP_SB_LIMIT_SND(so) so->so_snd.sb_hiwat
417
418/*
419 * routes, output, etc.
420 */
421typedef struct route sctp_route_t;
422typedef struct rtentry sctp_rtentry_t;
423
424#define SCTP_RTALLOC(ro, vrf_id) rtalloc_ign((struct route *)ro, 0UL)
425
426/* Future zero copy wakeup/send function */
427#define SCTP_ZERO_COPY_EVENT(inp, so)
428/* This is re-pulse ourselves for sendbuf */
429#define SCTP_ZERO_COPY_SENDQ_EVENT(inp, so)
430
431/*
432 * IP output routines
433 */
434#define SCTP_IP_OUTPUT(result, o_pak, ro, stcb, vrf_id) \
435{ \
436 int o_flgs = IP_RAWOUTPUT; \
437 struct sctp_tcb *local_stcb = stcb; \
438 if (local_stcb && \
439 local_stcb->sctp_ep && \
440 local_stcb->sctp_ep->sctp_socket) \
441 o_flgs |= local_stcb->sctp_ep->sctp_socket->so_options & SO_DONTROUTE; \
442 result = ip_output(o_pak, NULL, ro, o_flgs, 0, NULL); \
443}
444
445#define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) \
446{ \
447 struct sctp_tcb *local_stcb = stcb; \
448 if (local_stcb && local_stcb->sctp_ep) \
449 result = ip6_output(o_pak, \
450 ((struct in6pcb *)(local_stcb->sctp_ep))->in6p_outputopts, \
451 (ro), 0, 0, ifp, NULL); \
452 else \
453 result = ip6_output(o_pak, NULL, (ro), 0, 0, ifp, NULL); \
454}
455
456struct mbuf *
457sctp_get_mbuf_for_msg(unsigned int space_needed,
458 int want_header, int how, int allonebuf, int type);
459
460
461/*
462 * SCTP AUTH
463 */
464#define HAVE_SHA2
465
466#define SCTP_READ_RANDOM(buf, len) read_random(buf, len)
467
468#ifdef USE_SCTP_SHA1
469#include <netinet/sctp_sha1.h>
470#else
471#include <crypto/sha1.h>
472/* map standard crypto API names */
473#define SHA1_Init SHA1Init
474#define SHA1_Update SHA1Update
475#define SHA1_Final(x,y) SHA1Final((caddr_t)x, y)
476#endif
477
478#if defined(HAVE_SHA2)
479#include <crypto/sha2/sha2.h>
480#endif
481
482#endif
483
484#define SCTP_DECREMENT_AND_CHECK_REFCOUNT(addr) (atomic_fetchadd_int(addr, -1) == 1)
485#if defined(INVARIANTS)
486#define SCTP_SAVE_ATOMIC_DECREMENT(addr, val) \
487{ \
488 int32_t oldval; \
489 oldval = atomic_fetchadd_int(addr, -val); \
490 if (oldval < val) { \
491 panic("Counter goes negative"); \
492 } \
493}
494#else
495#define SCTP_SAVE_ATOMIC_DECREMENT(addr, val) \
496{ \
497 int32_t oldval; \
498 oldval = atomic_fetchadd_int(addr, -val); \
499 if (oldval < val) { \
500 *addr = 0; \
501 } \
502}
503#endif
| 357 * chain pointers.. thus the macro.
358 */
359#define SCTP_HEADER_TO_CHAIN(m) (m)
360#define SCTP_DETACH_HEADER_FROM_CHAIN(m)
361#define SCTP_HEADER_LEN(m) (m->m_pkthdr.len)
362#define SCTP_GET_HEADER_FOR_OUTPUT(o_pak) 0
363#define SCTP_RELEASE_HEADER(m)
364#define SCTP_RELEASE_PKT(m) sctp_m_freem(m)
365#define SCTP_ENABLE_UDP_CSUM(m) do { \
366 m->m_pkthdr.csum_flags = CSUM_UDP; \
367 m->m_pkthdr.csum_data = offsetof(struct udphdr, uh_sum); \
368 } while (0)
369
370#define SCTP_GET_PKT_VRFID(m, vrf_id) ((vrf_id = SCTP_DEFAULT_VRFID) != SCTP_DEFAULT_VRFID)
371
372
373
374/* Attach the chain of data into the sendable packet. */
375#define SCTP_ATTACH_CHAIN(pak, m, packet_length) do { \
376 pak = m; \
377 pak->m_pkthdr.len = packet_length; \
378 } while(0)
379
380/* Other m_pkthdr type things */
381#define SCTP_IS_IT_BROADCAST(dst, m) ((m->m_flags & M_PKTHDR) ? in_broadcast(dst, m->m_pkthdr.rcvif) : 0)
382#define SCTP_IS_IT_LOOPBACK(m) ((m->m_flags & M_PKTHDR) && ((m->m_pkthdr.rcvif == NULL) || (m->m_pkthdr.rcvif->if_type == IFT_LOOP)))
383
384
385/* This converts any input packet header
386 * into the chain of data holders, for BSD
387 * its a NOP.
388 */
389
390/* Macro's for getting length from V6/V4 header */
391#define SCTP_GET_IPV4_LENGTH(iph) (iph->ip_len)
392#define SCTP_GET_IPV6_LENGTH(ip6) (ntohs(ip6->ip6_plen))
393
394/* get the v6 hop limit */
395#define SCTP_GET_HLIM(inp, ro) in6_selecthlim((struct in6pcb *)&inp->ip_inp.inp, (ro ? (ro->ro_rt ? (ro->ro_rt->rt_ifp) : (NULL)) : (NULL)));
396
397/* is the endpoint v6only? */
398#define SCTP_IPV6_V6ONLY(inp) (((struct inpcb *)inp)->inp_flags & IN6P_IPV6_V6ONLY)
399/* is the socket non-blocking? */
400#define SCTP_SO_IS_NBIO(so) ((so)->so_state & SS_NBIO)
401#define SCTP_SET_SO_NBIO(so) ((so)->so_state |= SS_NBIO)
402#define SCTP_CLEAR_SO_NBIO(so) ((so)->so_state &= ~SS_NBIO)
403/* get the socket type */
404#define SCTP_SO_TYPE(so) ((so)->so_type)
405/* reserve sb space for a socket */
406#define SCTP_SORESERVE(so, send, recv) soreserve(so, send, recv)
407/* wakeup a socket */
408#define SCTP_SOWAKEUP(so) wakeup(&(so)->so_timeo)
409/* clear the socket buffer state */
410#define SCTP_SB_CLEAR(sb) \
411 (sb).sb_cc = 0; \
412 (sb).sb_mb = NULL; \
413 (sb).sb_mbcnt = 0;
414
415#define SCTP_SB_LIMIT_RCV(so) so->so_rcv.sb_hiwat
416#define SCTP_SB_LIMIT_SND(so) so->so_snd.sb_hiwat
417
418/*
419 * routes, output, etc.
420 */
421typedef struct route sctp_route_t;
422typedef struct rtentry sctp_rtentry_t;
423
424#define SCTP_RTALLOC(ro, vrf_id) rtalloc_ign((struct route *)ro, 0UL)
425
426/* Future zero copy wakeup/send function */
427#define SCTP_ZERO_COPY_EVENT(inp, so)
428/* This is re-pulse ourselves for sendbuf */
429#define SCTP_ZERO_COPY_SENDQ_EVENT(inp, so)
430
431/*
432 * IP output routines
433 */
434#define SCTP_IP_OUTPUT(result, o_pak, ro, stcb, vrf_id) \
435{ \
436 int o_flgs = IP_RAWOUTPUT; \
437 struct sctp_tcb *local_stcb = stcb; \
438 if (local_stcb && \
439 local_stcb->sctp_ep && \
440 local_stcb->sctp_ep->sctp_socket) \
441 o_flgs |= local_stcb->sctp_ep->sctp_socket->so_options & SO_DONTROUTE; \
442 result = ip_output(o_pak, NULL, ro, o_flgs, 0, NULL); \
443}
444
445#define SCTP_IP6_OUTPUT(result, o_pak, ro, ifp, stcb, vrf_id) \
446{ \
447 struct sctp_tcb *local_stcb = stcb; \
448 if (local_stcb && local_stcb->sctp_ep) \
449 result = ip6_output(o_pak, \
450 ((struct in6pcb *)(local_stcb->sctp_ep))->in6p_outputopts, \
451 (ro), 0, 0, ifp, NULL); \
452 else \
453 result = ip6_output(o_pak, NULL, (ro), 0, 0, ifp, NULL); \
454}
455
456struct mbuf *
457sctp_get_mbuf_for_msg(unsigned int space_needed,
458 int want_header, int how, int allonebuf, int type);
459
460
461/*
462 * SCTP AUTH
463 */
464#define HAVE_SHA2
465
466#define SCTP_READ_RANDOM(buf, len) read_random(buf, len)
467
468#ifdef USE_SCTP_SHA1
469#include <netinet/sctp_sha1.h>
470#else
471#include <crypto/sha1.h>
472/* map standard crypto API names */
473#define SHA1_Init SHA1Init
474#define SHA1_Update SHA1Update
475#define SHA1_Final(x,y) SHA1Final((caddr_t)x, y)
476#endif
477
478#if defined(HAVE_SHA2)
479#include <crypto/sha2/sha2.h>
480#endif
481
482#endif
483
484#define SCTP_DECREMENT_AND_CHECK_REFCOUNT(addr) (atomic_fetchadd_int(addr, -1) == 1)
485#if defined(INVARIANTS)
486#define SCTP_SAVE_ATOMIC_DECREMENT(addr, val) \
487{ \
488 int32_t oldval; \
489 oldval = atomic_fetchadd_int(addr, -val); \
490 if (oldval < val) { \
491 panic("Counter goes negative"); \
492 } \
493}
494#else
495#define SCTP_SAVE_ATOMIC_DECREMENT(addr, val) \
496{ \
497 int32_t oldval; \
498 oldval = atomic_fetchadd_int(addr, -val); \
499 if (oldval < val) { \
500 *addr = 0; \
501 } \
502}
503#endif
|