diff options
Diffstat (limited to 'backport/backport-include/linux/random.h')
-rw-r--r-- | backport/backport-include/linux/random.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/backport/backport-include/linux/random.h b/backport/backport-include/linux/random.h deleted file mode 100644 index fa016cce..00000000 --- a/backport/backport-include/linux/random.h +++ /dev/null @@ -1,54 +0,0 @@ -#ifndef __BACKPORT_RANDOM_H -#define __BACKPORT_RANDOM_H -#include_next <linux/random.h> -#include <linux/version.h> - -#if (LINUX_VERSION_IS_GEQ(3,3,0) && LINUX_VERSION_IS_LESS(3,4,10)) || \ - (LINUX_VERSION_IS_GEQ(3,1,0) && LINUX_VERSION_IS_LESS(3,2,27)) || \ - LINUX_VERSION_IS_LESS(3,0,41) -#define add_device_randomness LINUX_BACKPORT(add_device_randomness) -static inline void add_device_randomness(const void *buf, unsigned int size) -{ -} -#endif - -/* #if LINUX_VERSION_IS_LESS(3,8,0) */ -/* already backported in our kernels */ -#if 0 -/* backports 496f2f9 */ -#define prandom_seed(_seed) srandom32(_seed) -#define prandom_u32() random32() -#define prandom_u32_state(_state) prandom32(_state) -/* backport 6582c665d6b882dad8329e05749fbcf119f1ab88 */ -#define prandom_bytes LINUX_BACKPORT(prandom_bytes) -void prandom_bytes(void *buf, int bytes); -#endif - -#if LINUX_VERSION_IS_LESS(3,14,0) -/** - * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro) - * @ep_ro: right open interval endpoint - * - * Returns a pseudo-random number that is in interval [0, ep_ro). Note - * that the result depends on PRNG being well distributed in [0, ~0U] - * u32 space. Here we use maximally equidistributed combined Tausworthe - * generator, that is, prandom_u32(). This is useful when requesting a - * random index of an array containing ep_ro elements, for example. - * - * Returns: pseudo-random number in interval [0, ep_ro) - */ -#define prandom_u32_max LINUX_BACKPORT(prandom_u32_max) -static inline u32 prandom_u32_max(u32 ep_ro) -{ - return (u32)(((u64) prandom_u32() * ep_ro) >> 32); -} -#endif /* LINUX_VERSION_IS_LESS(3,14,0) */ - -#if LINUX_VERSION_IS_LESS(4,11,0) -static inline u32 get_random_u32(void) -{ - return get_random_int(); -} -#endif - -#endif /* __BACKPORT_RANDOM_H */ |