michael@0: /*-
michael@0:  * Copyright (c) 2009-2010 Brad Penoff
michael@0:  * Copyright (c) 2009-2010 Humaira Kamal
michael@0:  * Copyright (c) 2011-2012 Irene Ruengeler
michael@0:  * Copyright (c) 2011-2012 Michael Tuexen
michael@0:  *
michael@0:  * All rights reserved.
michael@0:  *
michael@0:  * Redistribution and use in source and binary forms, with or without
michael@0:  * modification, are permitted provided that the following conditions
michael@0:  * are met:
michael@0:  * 1. Redistributions of source code must retain the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer.
michael@0:  * 2. Redistributions in binary form must reproduce the above copyright
michael@0:  *    notice, this list of conditions and the following disclaimer in the
michael@0:  *    documentation and/or other materials provided with the distribution.
michael@0:  *
michael@0:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
michael@0:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
michael@0:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
michael@0:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
michael@0:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
michael@0:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
michael@0:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
michael@0:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
michael@0:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
michael@0:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
michael@0:  * SUCH DAMAGE.
michael@0:  */
michael@0: 
michael@0: #ifndef _USER_ENVIRONMENT_H_
michael@0: #define _USER_ENVIRONMENT_H_
michael@0: /* __Userspace__ */
michael@0: #include <sys/types.h>
michael@0: 
michael@0: #ifdef __Userspace_os_FreeBSD
michael@0: #ifndef _SYS_MUTEX_H_
michael@0: #include <sys/mutex.h>
michael@0: #endif
michael@0: #endif
michael@0: #if defined (__Userspace_os_Windows)
michael@0: #include "netinet/sctp_os_userspace.h"
michael@0: #endif
michael@0: 
michael@0: /* maxsockets is used in SCTP_ZONE_INIT call. It refers to
michael@0:  * kern.ipc.maxsockets kernel environment variable.
michael@0:  */
michael@0: extern int maxsockets;
michael@0: 
michael@0: /* int hz; is declared in sys/kern/subr_param.c and refers to kernel timer frequency.
michael@0:  * See http://ivoras.sharanet.org/freebsd/vmware.html for additional info about kern.hz
michael@0:  * hz is initialized in void init_param1(void) in that file.
michael@0:  */
michael@0: extern int hz;
michael@0: 
michael@0: 
michael@0: /* The following two ints define a range of available ephermal ports. */
michael@0: extern int ipport_firstauto, ipport_lastauto;
michael@0: 
michael@0: /* nmbclusters is used in sctp_usrreq.c (e.g., sctp_init). In the FreeBSD kernel,
michael@0:  *  this is 1024 + maxusers * 64.
michael@0:  */
michael@0: extern int nmbclusters;
michael@0: 
michael@0: #if !defined (__Userspace_os_Windows)
michael@0: #define min(a,b) ((a)>(b)?(b):(a))
michael@0: #define max(a,b) ((a)>(b)?(a):(b))
michael@0: #endif
michael@0: 
michael@0: extern int read_random(void *buf, int count);
michael@0: 
michael@0: /* errno's may differ per OS.  errno.h now included in sctp_os_userspace.h */
michael@0: /* Source: /usr/src/sys/sys/errno.h */
michael@0: /* #define	ENOSPC		28 */		/* No space left on device */
michael@0: /* #define	ENOBUFS		55 */		/* No buffer space available */
michael@0: /* #define	ENOMEM		12 */		/* Cannot allocate memory */
michael@0: /* #define	EACCES		13 */		/* Permission denied */
michael@0: /* #define	EFAULT		14 */		/* Bad address */
michael@0: /* #define	EHOSTDOWN	64 */		/* Host is down */
michael@0: /* #define	EHOSTUNREACH	65 */		/* No route to host */
michael@0: 
michael@0: /* Source ip_output.c. extern'd in ip_var.h */
michael@0: extern u_short ip_id;
michael@0: 
michael@0: #if defined(__Userspace_os_Linux)
michael@0: #define IPV6_VERSION            0x60
michael@0: #endif
michael@0: #if defined(INVARIANTS)
michael@0: #define panic(args...)            \
michael@0: 	do {                      \
michael@0: 		SCTP_PRINTF(args);\
michael@0: 		exit(1);          \
michael@0: } while (0)
michael@0: #endif
michael@0: 
michael@0: #if defined(INVARIANTS)
michael@0: #define KASSERT(cond, args)          \
michael@0: 	do {                         \
michael@0: 		if (!(cond)) {       \
michael@0: 			printf args ;\
michael@0: 			exit(1);     \
michael@0: 		}                    \
michael@0: 	} while (0)
michael@0: #else
michael@0: #define KASSERT(cond, args)
michael@0: #endif
michael@0: 
michael@0: /* necessary for sctp_pcb.c */
michael@0: extern int ip_defttl;
michael@0: 
michael@0: 
michael@0: /* dummy definitions used (temporarily?) for inpcb userspace port */
michael@0: 
michael@0: /* called in sctp_usrreq.c */
michael@0: #define in6_sin_2_v4mapsin6(arg1, arg2) /* STUB */
michael@0: 
michael@0: #endif