1 /*- 2 * Copyright (c) 2009-2010 Brad Penoff 3 * Copyright (c) 2009-2010 Humaira Kamal 4 * Copyright (c) 2011-2012 Irene Ruengeler 5 * Copyright (c) 2011-2012 Michael Tuexen 6 * 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #ifndef _USER_ENVIRONMENT_H_ 32 #define _USER_ENVIRONMENT_H_ 33 /* __Userspace__ */ 34 #include <sys/types.h> 35 36 #ifdef __Userspace_os_FreeBSD 37 #ifndef _SYS_MUTEX_H_ 38 #include <sys/mutex.h> 39 #endif 40 #endif 41 #if defined (__Userspace_os_Windows) 42 #include "netinet/sctp_os_userspace.h" 43 #endif 44 45 /* maxsockets is used in SCTP_ZONE_INIT call. It refers to 46 * kern.ipc.maxsockets kernel environment variable. 47 */ 48 extern int maxsockets; 49 50 /* int hz; is declared in sys/kern/subr_param.c and refers to kernel timer frequency. 51 * See http://ivoras.sharanet.org/freebsd/vmware.html for additional info about kern.hz 52 * hz is initialized in void init_param1(void) in that file. 53 */ 54 extern int hz; 55 56 57 /* The following two ints define a range of available ephermal ports. */ 58 extern int ipport_firstauto, ipport_lastauto; 59 60 /* nmbclusters is used in sctp_usrreq.c (e.g., sctp_init). In the FreeBSD kernel, 61 * this is 1024 + maxusers * 64. 62 */ 63 extern int nmbclusters; 64 65 #if !defined (__Userspace_os_Windows) 66 #define min(a,b) ((a)>(b)?(b):(a)) 67 #define max(a,b) ((a)>(b)?(a):(b)) 68 #endif 69 70 extern int read_random(void *buf, int count); 71 72 /* errno's may differ per OS. errno.h now included in sctp_os_userspace.h */ 73 /* Source: /usr/src/sys/sys/errno.h */ 74 /* #define ENOSPC 28 */ /* No space left on device */ 75 /* #define ENOBUFS 55 */ /* No buffer space available */ 76 /* #define ENOMEM 12 */ /* Cannot allocate memory */ 77 /* #define EACCES 13 */ /* Permission denied */ 78 /* #define EFAULT 14 */ /* Bad address */ 79 /* #define EHOSTDOWN 64 */ /* Host is down */ 80 /* #define EHOSTUNREACH 65 */ /* No route to host */ 81 82 /* Source ip_output.c. extern'd in ip_var.h */ 83 extern u_short ip_id; 84 85 #if defined(__Userspace_os_Linux) 86 #define IPV6_VERSION 0x60 87 #endif 88 #if defined(INVARIANTS) 89 #define panic(args...) \ 90 do { \ 91 SCTP_PRINTF(args);\ 92 exit(1); \ 93 } while (0) 94 #endif 95 96 #if defined(INVARIANTS) 97 #define KASSERT(cond, args) \ 98 do { \ 99 if (!(cond)) { \ 100 printf args ;\ 101 exit(1); \ 102 } \ 103 } while (0) 104 #else 105 #define KASSERT(cond, args) 106 #endif 107 108 /* necessary for sctp_pcb.c */ 109 extern int ip_defttl; 110 111 112 /* dummy definitions used (temporarily?) for inpcb userspace port */ 113 114 /* called in sctp_usrreq.c */ 115 #define in6_sin_2_v4mapsin6(arg1, arg2) /* STUB */ 116 117 #endif 118
