Add m-esr52 at 52.6.0

1 files changed, 251 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 100755
index 000000000..83a565c37
--- /dev/null
+++ b/netwerk/sctp/src/netinet/sctp_lock_userspace.h
@@ -0,0 +1,251 @@
+/*-
+ * 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.
+ */
+
+#ifdef __FreeBSD__
+#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_WQ_ADDR_INIT()
+#define SCTP_WQ_ADDR_DESTROY()
+#define SCTP_WQ_ADDR_LOCK()
+#define SCTP_WQ_ADDR_UNLOCK()
+
+
+#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_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_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_TCB_SEND_LOCK_INIT(_tcb)
+#define SCTP_TCB_SEND_LOCK_DESTROY(_tcb)
+#define SCTP_TCB_SEND_LOCK(_tcb)
+#define SCTP_TCB_SEND_UNLOCK(_tcb)
+
+#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)
+
+
+/* not sure if __Userspace__ needs these (but copied nonetheless...) */
+#if defined(SCTP_SO_LOCK_TESTING)
+#define SCTP_INP_SO(sctpinp)	(sctpinp)->ip_inp.inp.inp_socket
+#define SCTP_SOCKET_LOCK(so, refcnt)
+#define SCTP_SOCKET_UNLOCK(so, refcnt)
+#endif
+
+
+/* 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