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authorZheng Da <zhengda1936@gmail.com>2009-12-06 05:26:23 +0100
committerZheng Da <zhengda1936@gmail.com>2009-12-06 05:26:23 +0100
commit8a6d48c0542876eb3acfc0970c0ab7872db08d5f (patch)
tree496e78bc728317ea779781b92f897d16936ee231 /libdde_linux26/contrib/include/linux/random.h
parentb4bffcfcdf3ab7a55d664e9aa5907f88da503f38 (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.h79
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 */