| /*- |
| * Copyright (c) 2009-2010 Brad Penoff |
| * Copyright (c) 2009-2010 Humaira Kamal |
| * Copyright (c) 2011-2012 Irene Ruengeler |
| * Copyright (c) 2011-2012 Michael Tuexen |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. |
| */ |
| |
| /* __Userspace__ */ |
| |
| #include <stdlib.h> |
| #if !defined (__Userspace_os_Windows) |
| #include <stdint.h> |
| #include <netinet/sctp_os_userspace.h> |
| #endif |
| #include <user_environment.h> |
| #include <sys/types.h> |
| /* #include <sys/param.h> defines MIN */ |
| #if !defined(MIN) |
| #define MIN(arg1,arg2) ((arg1) < (arg2) ? (arg1) : (arg2)) |
| #endif |
| #include <string.h> |
| |
| #define uHZ 1000 |
| |
| /* See user_include/user_environment.h for comments about these variables */ |
| int maxsockets = 25600; |
| int hz = uHZ; |
| int ip_defttl = 64; |
| int ipport_firstauto = 49152, ipport_lastauto = 65535; |
| int nmbclusters = 65536; |
| |
| /* Source ip_output.c. extern'd in ip_var.h */ |
| u_short ip_id = 0; /*__Userspace__ TODO Should it be initialized to zero? */ |
| |
| /* used in user_include/user_atomic.h in order to make the operations |
| * defined there truly atomic |
| */ |
| userland_mutex_t atomic_mtx; |
| |
| /* Source: /usr/src/sys/dev/random/harvest.c */ |
| static int read_random_phony(void *, int); |
| |
| static int (*read_func)(void *, int) = read_random_phony; |
| |
| /* Userland-visible version of read_random */ |
| int |
| read_random(void *buf, int count) |
| { |
| return ((*read_func)(buf, count)); |
| } |
| |
| /* If the entropy device is not loaded, make a token effort to |
| * provide _some_ kind of randomness. This should only be used |
| * inside other RNG's, like arc4random(9). |
| */ |
| static int |
| read_random_phony(void *buf, int count) |
| { |
| uint32_t randval; |
| int size, i; |
| |
| /* srandom() is called in kern/init_main.c:proc0_post() */ |
| |
| /* Fill buf[] with random(9) output */ |
| for (i = 0; i < count; i+= (int)sizeof(uint32_t)) { |
| randval = random(); |
| size = MIN(count - i, (int)sizeof(uint32_t)); |
| memcpy(&((char *)buf)[i], &randval, (size_t)size); |
| } |
| |
| return (count); |
| } |
| |