Index: head/sys/compat/linuxkpi/common/include/linux/random.h =================================================================== --- head/sys/compat/linuxkpi/common/include/linux/random.h (revision 324284) +++ head/sys/compat/linuxkpi/common/include/linux/random.h (revision 324285) @@ -1,44 +1,64 @@ /*- * Copyright (c) 2010 Isilon Systems, Inc. * Copyright (c) 2010 iX Systems, Inc. * Copyright (c) 2010 Panasas, Inc. * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. * 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 unmodified, 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 ``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 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. * * $FreeBSD$ */ -#ifndef _LINUX_RANDOM_H_ + +#ifndef _LINUX_RANDOM_H_ #define _LINUX_RANDOM_H_ #include #include static inline void get_random_bytes(void *buf, int nbytes) { + if (read_random(buf, nbytes) == 0) arc4rand(buf, nbytes, 0); } -#endif /* _LINUX_RANDOM_H_ */ +static inline u_int +get_random_int(void) +{ + u_int val; + + get_random_bytes(&val, sizeof(val)); + return (val); +} + +static inline u_long +get_random_long(void) +{ + u_long val; + + get_random_bytes(&val, sizeof(val)); + return (val); +} + +#endif /* _LINUX_RANDOM_H_ */