1 /* 2 * kernel_compat.h 3 * 4 * Compatibility stuff for building in kernel context where standard 5 * C headers and library are not available. 6 * 7 * Marcus Sundberg 8 * Ingate Systems AB 9 */ 10 /* 11 * 12 * Copyright(c) 2005 Ingate Systems AB 13 * All rights reserved. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 19 * Redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer. 21 * 22 * Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials provided 25 * with the distribution. 26 * 27 * Neither the name of the author(s) nor the names of its 28 * contributors may be used to endorse or promote products derived 29 * from this software without specific prior written permission. 30 * 31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 34 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 35 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 36 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 37 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 38 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 39 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 40 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 41 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 42 * OF THE POSSIBILITY OF SUCH DAMAGE. 43 * 44 */ 45 46 #ifndef KERNEL_COMPAT_H 47 #define KERNEL_COMPAT_H 48 49 #ifdef SRTP_KERNEL_LINUX 50 51 #include <linux/kernel.h> 52 #include <linux/slab.h> 53 #include <linux/sched.h> 54 #include <linux/random.h> 55 #include <linux/byteorder/generic.h> 56 57 58 #define err_report(priority, ...) \ 59 do {\ 60 if (priority <= err_level) {\ 61 printk(__VA_ARGS__);\ 62 }\ 63 }while(0) 64 65 #define clock() (jiffies) 66 #define time(x) (jiffies) 67 68 /* rand() implementation. */ 69 #define RAND_MAX 32767 70 71 static inline int rand(void) 72 { 73 uint32_t temp; 74 get_random_bytes(&temp, sizeof(temp)); 75 return temp % (RAND_MAX+1); 76 } 77 78 /* stdio/stdlib implementation. */ 79 #define printf(...) printk(__VA_ARGS__) 80 #define exit(n) panic("%s:%d: exit(%d)\n", __FILE__, __LINE__, (n)) 81 82 #endif /* SRTP_KERNEL_LINUX */ 83 84 #endif /* KERNEL_COMPAT_H */ 85
