diff options
author | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
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committer | Zheng Da <zhengda1936@gmail.com> | 2009-12-06 05:26:23 +0100 |
commit | 8a6d48c0542876eb3acfc0970c0ab7872db08d5f (patch) | |
tree | 496e78bc728317ea779781b92f897d16936ee231 /libdde_linux26/contrib/include/linux/random.h | |
parent | b4bffcfcdf3ab7a55d664e9aa5907f88da503f38 (diff) |
check in the original version of dde linux26.
Diffstat (limited to 'libdde_linux26/contrib/include/linux/random.h')
-rw-r--r-- | libdde_linux26/contrib/include/linux/random.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/libdde_linux26/contrib/include/linux/random.h b/libdde_linux26/contrib/include/linux/random.h new file mode 100644 index 00000000..25d02fe5 --- /dev/null +++ b/libdde_linux26/contrib/include/linux/random.h @@ -0,0 +1,79 @@ +/* + * include/linux/random.h + * + * Include file for the random number generator. + */ + +#ifndef _LINUX_RANDOM_H +#define _LINUX_RANDOM_H + +#include <linux/types.h> +#include <linux/ioctl.h> +#include <linux/irqnr.h> + +/* ioctl()'s for the random number generator */ + +/* Get the entropy count. */ +#define RNDGETENTCNT _IOR( 'R', 0x00, int ) + +/* Add to (or subtract from) the entropy count. (Superuser only.) */ +#define RNDADDTOENTCNT _IOW( 'R', 0x01, int ) + +/* Get the contents of the entropy pool. (Superuser only.) */ +#define RNDGETPOOL _IOR( 'R', 0x02, int [2] ) + +/* + * Write bytes into the entropy pool and add to the entropy count. + * (Superuser only.) + */ +#define RNDADDENTROPY _IOW( 'R', 0x03, int [2] ) + +/* Clear entropy count to 0. (Superuser only.) */ +#define RNDZAPENTCNT _IO( 'R', 0x04 ) + +/* Clear the entropy pool and associated counters. (Superuser only.) */ +#define RNDCLEARPOOL _IO( 'R', 0x06 ) + +struct rand_pool_info { + int entropy_count; + int buf_size; + __u32 buf[0]; +}; + +/* Exported functions */ + +#ifdef __KERNEL__ + +extern void rand_initialize_irq(int irq); + +extern void add_input_randomness(unsigned int type, unsigned int code, + unsigned int value); +extern void add_interrupt_randomness(int irq); + +extern void get_random_bytes(void *buf, int nbytes); +void generate_random_uuid(unsigned char uuid_out[16]); + +extern __u32 secure_ip_id(__be32 daddr); +extern u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport); +extern u32 secure_ipv6_port_ephemeral(const __be32 *saddr, const __be32 *daddr, + __be16 dport); +extern __u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, + __be16 sport, __be16 dport); +extern __u32 secure_tcpv6_sequence_number(__be32 *saddr, __be32 *daddr, + __be16 sport, __be16 dport); +extern u64 secure_dccp_sequence_number(__be32 saddr, __be32 daddr, + __be16 sport, __be16 dport); + +#ifndef MODULE +extern const struct file_operations random_fops, urandom_fops; +#endif + +unsigned int get_random_int(void); +unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len); + +u32 random32(void); +void srandom32(u32 seed); + +#endif /* __KERNEL___ */ + +#endif /* _LINUX_RANDOM_H */ |