1 files changed, 72 insertions, 0 deletions

diff --git a/include/linux/random.h b/include/linux/random.h
new file mode 100644
index 000000000000..cc6703449916
--- /dev/null
+++ b/include/linux/random.h
@@ -0,0 +1,72 @@
+/*
+ * include/linux/random.h
+ *
+ * Include file for the random number generator.
+ */
+
+#ifndef _LINUX_RANDOM_H
+#define _LINUX_RANDOM_H
+
+#include <linux/ioctl.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(__u32 daddr);
+extern u32 secure_tcp_port_ephemeral(__u32 saddr, __u32 daddr, __u16 dport);
+extern u32 secure_tcpv6_port_ephemeral(const __u32 *saddr, const __u32 *daddr, 
+                                       __u16 dport);
+extern __u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr,
+                                        __u16 sport, __u16 dport);
+extern __u32 secure_tcpv6_sequence_number(__u32 *saddr, __u32 *daddr,
+                                          __u16 sport, __u16 dport);
+
+#ifndef MODULE
+extern 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);
+
+#endif /* __KERNEL___ */
+
+#endif /* _LINUX_RANDOM_H */