1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/netwerk/sctp/src/netinet/sctp_lock_userspace.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,251 @@
1.4 +/*-
1.5 + * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
1.6 + * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
1.7 + * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
1.8 + * Copyright (c) 2008-2012, by Brad Penoff. All rights reserved.
1.9 + *
1.10 + * Redistribution and use in source and binary forms, with or without
1.11 + * modification, are permitted provided that the following conditions are met:
1.12 + *
1.13 + * a) Redistributions of source code must retain the above copyright notice,
1.14 + * this list of conditions and the following disclaimer.
1.15 + *
1.16 + * b) Redistributions in binary form must reproduce the above copyright
1.17 + * notice, this list of conditions and the following disclaimer in
1.18 + * the documentation and/or other materials provided with the distribution.
1.19 + *
1.20 + * c) Neither the name of Cisco Systems, Inc. nor the names of its
1.21 + * contributors may be used to endorse or promote products derived
1.22 + * from this software without specific prior written permission.
1.23 + *
1.24 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.25 + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
1.26 + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.27 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
1.28 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.29 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.30 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.31 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.32 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.33 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
1.34 + * THE POSSIBILITY OF SUCH DAMAGE.
1.35 + */
1.36 +
1.37 +#ifdef __FreeBSD__
1.38 +#include <sys/cdefs.h>
1.39 +__FBSDID("$FreeBSD$");
1.40 +#endif
1.41 +
1.42 +#ifndef _NETINET_SCTP_LOCK_EMPTY_H_
1.43 +#define _NETINET_SCTP_LOCK_EMPTY_H_
1.44 +
1.45 +/*
1.46 + * Empty Lock declarations for all other platforms. Pre-process away to
1.47 + * nothing.
1.48 + */
1.49 +
1.50 +/* __Userspace__ putting lock macros in same order as sctp_lock_bsd.h ...*/
1.51 +
1.52 +#define SCTP_IPI_COUNT_INIT()
1.53 +
1.54 +#define SCTP_STATLOG_INIT_LOCK()
1.55 +#define SCTP_STATLOG_LOCK()
1.56 +#define SCTP_STATLOG_UNLOCK()
1.57 +#define SCTP_STATLOG_DESTROY()
1.58 +
1.59 +#define SCTP_INP_INFO_LOCK_DESTROY()
1.60 +
1.61 +#define SCTP_INP_INFO_LOCK_INIT()
1.62 +#define SCTP_INP_INFO_RLOCK()
1.63 +#define SCTP_INP_INFO_WLOCK()
1.64 +#define SCTP_INP_INFO_TRYLOCK() 1
1.65 +#define SCTP_INP_INFO_RUNLOCK()
1.66 +#define SCTP_INP_INFO_WUNLOCK()
1.67 +
1.68 +#define SCTP_WQ_ADDR_INIT()
1.69 +#define SCTP_WQ_ADDR_DESTROY()
1.70 +#define SCTP_WQ_ADDR_LOCK()
1.71 +#define SCTP_WQ_ADDR_UNLOCK()
1.72 +
1.73 +
1.74 +#define SCTP_IPI_ADDR_INIT()
1.75 +#define SCTP_IPI_ADDR_DESTROY()
1.76 +#define SCTP_IPI_ADDR_RLOCK()
1.77 +#define SCTP_IPI_ADDR_WLOCK()
1.78 +#define SCTP_IPI_ADDR_RUNLOCK()
1.79 +#define SCTP_IPI_ADDR_WUNLOCK()
1.80 +
1.81 +#define SCTP_IPI_ITERATOR_WQ_INIT()
1.82 +#define SCTP_IPI_ITERATOR_WQ_DESTROY()
1.83 +#define SCTP_IPI_ITERATOR_WQ_LOCK()
1.84 +#define SCTP_IPI_ITERATOR_WQ_UNLOCK()
1.85 +
1.86 +
1.87 +#define SCTP_IP_PKTLOG_INIT()
1.88 +#define SCTP_IP_PKTLOG_LOCK()
1.89 +#define SCTP_IP_PKTLOG_UNLOCK()
1.90 +#define SCTP_IP_PKTLOG_DESTROY()
1.91 +
1.92 +
1.93 +
1.94 +#define SCTP_INP_READ_INIT(_inp)
1.95 +#define SCTP_INP_READ_DESTROY(_inp)
1.96 +#define SCTP_INP_READ_LOCK(_inp)
1.97 +#define SCTP_INP_READ_UNLOCK(_inp)
1.98 +
1.99 +#define SCTP_INP_LOCK_INIT(_inp)
1.100 +#define SCTP_ASOC_CREATE_LOCK_INIT(_inp)
1.101 +#define SCTP_INP_LOCK_DESTROY(_inp)
1.102 +#define SCTP_ASOC_CREATE_LOCK_DESTROY(_inp)
1.103 +
1.104 +
1.105 +#define SCTP_INP_RLOCK(_inp)
1.106 +#define SCTP_INP_WLOCK(_inp)
1.107 +
1.108 +#define SCTP_INP_LOCK_CONTENDED(_inp) (0) /* Don't know if this is possible */
1.109 +
1.110 +#define SCTP_INP_READ_CONTENDED(_inp) (0) /* Don't know if this is possible */
1.111 +
1.112 +#define SCTP_ASOC_CREATE_LOCK_CONTENDED(_inp) (0) /* Don't know if this is possible */
1.113 +
1.114 +
1.115 +#define SCTP_TCB_SEND_LOCK_INIT(_tcb)
1.116 +#define SCTP_TCB_SEND_LOCK_DESTROY(_tcb)
1.117 +#define SCTP_TCB_SEND_LOCK(_tcb)
1.118 +#define SCTP_TCB_SEND_UNLOCK(_tcb)
1.119 +
1.120 +#define SCTP_INP_INCR_REF(_inp)
1.121 +#define SCTP_INP_DECR_REF(_inp)
1.122 +
1.123 +#define SCTP_ASOC_CREATE_LOCK(_inp)
1.124 +
1.125 +#define SCTP_INP_RUNLOCK(_inp)
1.126 +#define SCTP_INP_WUNLOCK(_inp)
1.127 +#define SCTP_ASOC_CREATE_UNLOCK(_inp)
1.128 +
1.129 +
1.130 +#define SCTP_TCB_LOCK_INIT(_tcb)
1.131 +#define SCTP_TCB_LOCK_DESTROY(_tcb)
1.132 +#define SCTP_TCB_LOCK(_tcb)
1.133 +#define SCTP_TCB_TRYLOCK(_tcb) 1
1.134 +#define SCTP_TCB_UNLOCK(_tcb)
1.135 +#define SCTP_TCB_UNLOCK_IFOWNED(_tcb)
1.136 +#define SCTP_TCB_LOCK_ASSERT(_tcb)
1.137 +
1.138 +
1.139 +
1.140 +#define SCTP_ITERATOR_LOCK_INIT()
1.141 +#define SCTP_ITERATOR_LOCK()
1.142 +#define SCTP_ITERATOR_UNLOCK()
1.143 +#define SCTP_ITERATOR_LOCK_DESTROY()
1.144 +
1.145 +
1.146 +
1.147 +#define SCTP_INCR_EP_COUNT() \
1.148 + do { \
1.149 + sctppcbinfo.ipi_count_ep++; \
1.150 + } while (0)
1.151 +
1.152 +#define SCTP_DECR_EP_COUNT() \
1.153 + do { \
1.154 + sctppcbinfo.ipi_count_ep--; \
1.155 + } while (0)
1.156 +
1.157 +#define SCTP_INCR_ASOC_COUNT() \
1.158 + do { \
1.159 + sctppcbinfo.ipi_count_asoc++; \
1.160 + } while (0)
1.161 +
1.162 +#define SCTP_DECR_ASOC_COUNT() \
1.163 + do { \
1.164 + sctppcbinfo.ipi_count_asoc--; \
1.165 + } while (0)
1.166 +
1.167 +#define SCTP_INCR_LADDR_COUNT() \
1.168 + do { \
1.169 + sctppcbinfo.ipi_count_laddr++; \
1.170 + } while (0)
1.171 +
1.172 +#define SCTP_DECR_LADDR_COUNT() \
1.173 + do { \
1.174 + sctppcbinfo.ipi_count_laddr--; \
1.175 + } while (0)
1.176 +
1.177 +#define SCTP_INCR_RADDR_COUNT() \
1.178 + do { \
1.179 + sctppcbinfo.ipi_count_raddr++; \
1.180 + } while (0)
1.181 +
1.182 +#define SCTP_DECR_RADDR_COUNT() \
1.183 + do { \
1.184 + sctppcbinfo.ipi_count_raddr--; \
1.185 + } while (0)
1.186 +
1.187 +#define SCTP_INCR_CHK_COUNT() \
1.188 + do { \
1.189 + sctppcbinfo.ipi_count_chunk++; \
1.190 + } while (0)
1.191 +
1.192 +#define SCTP_DECR_CHK_COUNT() \
1.193 + do { \
1.194 + sctppcbinfo.ipi_count_chunk--; \
1.195 + } while (0)
1.196 +
1.197 +#define SCTP_INCR_READQ_COUNT() \
1.198 + do { \
1.199 + sctppcbinfo.ipi_count_readq++; \
1.200 + } while (0)
1.201 +
1.202 +#define SCTP_DECR_READQ_COUNT() \
1.203 + do { \
1.204 + sctppcbinfo.ipi_count_readq--; \
1.205 + } while (0)
1.206 +
1.207 +#define SCTP_INCR_STRMOQ_COUNT() \
1.208 + do { \
1.209 + sctppcbinfo.ipi_count_strmoq++; \
1.210 + } while (0)
1.211 +
1.212 +#define SCTP_DECR_STRMOQ_COUNT() \
1.213 + do { \
1.214 + sctppcbinfo.ipi_count_strmoq--; \
1.215 + } while (0)
1.216 +
1.217 +
1.218 +/* not sure if __Userspace__ needs these (but copied nonetheless...) */
1.219 +#if defined(SCTP_SO_LOCK_TESTING)
1.220 +#define SCTP_INP_SO(sctpinp) (sctpinp)->ip_inp.inp.inp_socket
1.221 +#define SCTP_SOCKET_LOCK(so, refcnt)
1.222 +#define SCTP_SOCKET_UNLOCK(so, refcnt)
1.223 +#endif
1.224 +
1.225 +
1.226 +/* these were in sctp_lock_empty.h but aren't in sctp_lock_bsd.h ... */
1.227 +#if 0
1.228 +#define SCTP_IPI_ADDR_LOCK()
1.229 +#define SCTP_IPI_ADDR_UNLOCK()
1.230 +#endif
1.231 +
1.232 +
1.233 +/* These were in sctp_lock_empty.h because they were commented out within
1.234 + * within user_include/user_socketvar.h . If they are NOT commented out
1.235 + * in user_socketvar.h (because that seems the more natural place for them
1.236 + * to live), then change this "if" to 0. Keep the "if" as 1 if these ARE
1.237 + * indeed commented out in user_socketvar.h .
1.238 + *
1.239 + * This modularity is kept so this file can easily be chosen as an alternative
1.240 + * to SCTP_PROCESS_LEVEL_LOCKS. If one defines SCTP_PROCESS_LEVEL_LOCKS in
1.241 + * user_include/opt_sctp.h, then the file sctp_process_lock.h (which we didn't
1.242 + * implement) is used, and that declares these locks already (so using
1.243 + * SCTP_PROCESS_LEVEL_LOCKS *requires* that these defintions be commented out
1.244 + * in user_socketvar.h).
1.245 + */
1.246 +#if 1
1.247 +#define SOCK_LOCK(_so)
1.248 +#define SOCK_UNLOCK(_so)
1.249 +#define SOCKBUF_LOCK(_so_buf)
1.250 +#define SOCKBUF_UNLOCK(_so_buf)
1.251 +#define SOCKBUF_LOCK_ASSERT(_so_buf)
1.252 +#endif
1.253 +
1.254 +#endif
