diff options
Diffstat (limited to 'netwerk/sctp/src/netinet/sctp_lock_userspace.h')
| -rw-r--r-- | netwerk/sctp/src/netinet/sctp_lock_userspace.h | 243 |
1 files changed, 243 insertions, 0 deletions
diff --git a/netwerk/sctp/src/netinet/sctp_lock_userspace.h b/netwerk/sctp/src/netinet/sctp_lock_userspace.h new file mode 100644 index 0000000000..f3b9b3d961 --- /dev/null +++ b/netwerk/sctp/src/netinet/sctp_lock_userspace.h @@ -0,0 +1,243 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved. + * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved. + * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved. + * Copyright (c) 2008-2012, by Brad Penoff. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * a) Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * b) Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the distribution. + * + * c) Neither the name of Cisco Systems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF + * THE POSSIBILITY OF SUCH DAMAGE. + */ + +#if defined(__FreeBSD__) && !defined(__Userspace__) +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); +#endif + +#ifndef _NETINET_SCTP_LOCK_EMPTY_H_ +#define _NETINET_SCTP_LOCK_EMPTY_H_ + +/* + * Empty Lock declarations for all other platforms. Pre-process away to + * nothing. + */ + +/* __Userspace__ putting lock macros in same order as sctp_lock_bsd.h ...*/ + +#define SCTP_IPI_COUNT_INIT() + +#define SCTP_STATLOG_INIT_LOCK() +#define SCTP_STATLOG_LOCK() +#define SCTP_STATLOG_UNLOCK() +#define SCTP_STATLOG_DESTROY() + +#define SCTP_INP_INFO_LOCK_DESTROY() + +#define SCTP_INP_INFO_LOCK_INIT() +#define SCTP_INP_INFO_RLOCK() +#define SCTP_INP_INFO_WLOCK() +#define SCTP_INP_INFO_TRYLOCK() 1 +#define SCTP_INP_INFO_RUNLOCK() +#define SCTP_INP_INFO_WUNLOCK() +#define SCTP_INP_INFO_LOCK_ASSERT() +#define SCTP_INP_INFO_RLOCK_ASSERT() +#define SCTP_INP_INFO_WLOCK_ASSERT() + +#define SCTP_WQ_ADDR_INIT() +#define SCTP_WQ_ADDR_DESTROY() +#define SCTP_WQ_ADDR_LOCK() +#define SCTP_WQ_ADDR_UNLOCK() +#define SCTP_WQ_ADDR_LOCK_ASSERT() + +#define SCTP_IPI_ADDR_INIT() +#define SCTP_IPI_ADDR_DESTROY() +#define SCTP_IPI_ADDR_RLOCK() +#define SCTP_IPI_ADDR_WLOCK() +#define SCTP_IPI_ADDR_RUNLOCK() +#define SCTP_IPI_ADDR_WUNLOCK() +#define SCTP_IPI_ADDR_LOCK_ASSERT() +#define SCTP_IPI_ADDR_WLOCK_ASSERT() + +#define SCTP_IPI_ITERATOR_WQ_INIT() +#define SCTP_IPI_ITERATOR_WQ_DESTROY() +#define SCTP_IPI_ITERATOR_WQ_LOCK() +#define SCTP_IPI_ITERATOR_WQ_UNLOCK() + +#define SCTP_IP_PKTLOG_INIT() +#define SCTP_IP_PKTLOG_LOCK() +#define SCTP_IP_PKTLOG_UNLOCK() +#define SCTP_IP_PKTLOG_DESTROY() + +#define SCTP_INP_READ_INIT(_inp) +#define SCTP_INP_READ_DESTROY(_inp) +#define SCTP_INP_READ_LOCK(_inp) +#define SCTP_INP_READ_UNLOCK(_inp) + +#define SCTP_INP_LOCK_INIT(_inp) +#define SCTP_ASOC_CREATE_LOCK_INIT(_inp) +#define SCTP_INP_LOCK_DESTROY(_inp) +#define SCTP_ASOC_CREATE_LOCK_DESTROY(_inp) + +#define SCTP_INP_RLOCK(_inp) +#define SCTP_INP_WLOCK(_inp) +#define SCTP_INP_RLOCK_ASSERT(_inp) +#define SCTP_INP_WLOCK_ASSERT(_inp) + +#define SCTP_INP_LOCK_CONTENDED(_inp) (0) /* Don't know if this is possible */ + +#define SCTP_INP_READ_CONTENDED(_inp) (0) /* Don't know if this is possible */ + +#define SCTP_ASOC_CREATE_LOCK_CONTENDED(_inp) (0) /* Don't know if this is possible */ + + +#define SCTP_INP_INCR_REF(_inp) +#define SCTP_INP_DECR_REF(_inp) + +#define SCTP_ASOC_CREATE_LOCK(_inp) + +#define SCTP_INP_RUNLOCK(_inp) +#define SCTP_INP_WUNLOCK(_inp) +#define SCTP_ASOC_CREATE_UNLOCK(_inp) + + +#define SCTP_TCB_LOCK_INIT(_tcb) +#define SCTP_TCB_LOCK_DESTROY(_tcb) +#define SCTP_TCB_LOCK(_tcb) +#define SCTP_TCB_TRYLOCK(_tcb) 1 +#define SCTP_TCB_UNLOCK(_tcb) +#define SCTP_TCB_UNLOCK_IFOWNED(_tcb) +#define SCTP_TCB_LOCK_ASSERT(_tcb) + + + +#define SCTP_ITERATOR_LOCK_INIT() +#define SCTP_ITERATOR_LOCK() +#define SCTP_ITERATOR_UNLOCK() +#define SCTP_ITERATOR_LOCK_DESTROY() + + + +#define SCTP_INCR_EP_COUNT() \ + do { \ + sctppcbinfo.ipi_count_ep++; \ + } while (0) + +#define SCTP_DECR_EP_COUNT() \ + do { \ + sctppcbinfo.ipi_count_ep--; \ + } while (0) + +#define SCTP_INCR_ASOC_COUNT() \ + do { \ + sctppcbinfo.ipi_count_asoc++; \ + } while (0) + +#define SCTP_DECR_ASOC_COUNT() \ + do { \ + sctppcbinfo.ipi_count_asoc--; \ + } while (0) + +#define SCTP_INCR_LADDR_COUNT() \ + do { \ + sctppcbinfo.ipi_count_laddr++; \ + } while (0) + +#define SCTP_DECR_LADDR_COUNT() \ + do { \ + sctppcbinfo.ipi_count_laddr--; \ + } while (0) + +#define SCTP_INCR_RADDR_COUNT() \ + do { \ + sctppcbinfo.ipi_count_raddr++; \ + } while (0) + +#define SCTP_DECR_RADDR_COUNT() \ + do { \ + sctppcbinfo.ipi_count_raddr--; \ + } while (0) + +#define SCTP_INCR_CHK_COUNT() \ + do { \ + sctppcbinfo.ipi_count_chunk++; \ + } while (0) + +#define SCTP_DECR_CHK_COUNT() \ + do { \ + sctppcbinfo.ipi_count_chunk--; \ + } while (0) + +#define SCTP_INCR_READQ_COUNT() \ + do { \ + sctppcbinfo.ipi_count_readq++; \ + } while (0) + +#define SCTP_DECR_READQ_COUNT() \ + do { \ + sctppcbinfo.ipi_count_readq--; \ + } while (0) + +#define SCTP_INCR_STRMOQ_COUNT() \ + do { \ + sctppcbinfo.ipi_count_strmoq++; \ + } while (0) + +#define SCTP_DECR_STRMOQ_COUNT() \ + do { \ + sctppcbinfo.ipi_count_strmoq--; \ + } while (0) + + +/* these were in sctp_lock_empty.h but aren't in sctp_lock_bsd.h ... */ +#if 0 +#define SCTP_IPI_ADDR_LOCK() +#define SCTP_IPI_ADDR_UNLOCK() +#endif + + +/* These were in sctp_lock_empty.h because they were commented out within + * within user_include/user_socketvar.h . If they are NOT commented out + * in user_socketvar.h (because that seems the more natural place for them + * to live), then change this "if" to 0. Keep the "if" as 1 if these ARE + * indeed commented out in user_socketvar.h . + * + * This modularity is kept so this file can easily be chosen as an alternative + * to SCTP_PROCESS_LEVEL_LOCKS. If one defines SCTP_PROCESS_LEVEL_LOCKS in + * user_include/opt_sctp.h, then the file sctp_process_lock.h (which we didn't + * implement) is used, and that declares these locks already (so using + * SCTP_PROCESS_LEVEL_LOCKS *requires* that these defintions be commented out + * in user_socketvar.h). + */ +#if 1 +#define SOCK_LOCK(_so) +#define SOCK_UNLOCK(_so) +#define SOCKBUF_LOCK(_so_buf) +#define SOCKBUF_UNLOCK(_so_buf) +#define SOCKBUF_LOCK_ASSERT(_so_buf) +#endif + +#endif |