summaryrefslogtreecommitdiff
path: root/pfinet/linux-src/include/linux/random.h
diff options
context:
space:
mode:
Diffstat (limited to 'pfinet/linux-src/include/linux/random.h')
-rw-r--r--pfinet/linux-src/include/linux/random.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/random.h b/pfinet/linux-src/include/linux/random.h
new file mode 100644
index 00000000..58c93b9b
--- /dev/null
+++ b/pfinet/linux-src/include/linux/random.h
@@ -0,0 +1,73 @@
+/*
+ * 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(void);
+extern void rand_initialize_irq(int irq);
+extern void rand_initialize_blkdev(int irq, int mode);
+
+extern void add_keyboard_randomness(unsigned char scancode);
+extern void add_mouse_randomness(__u32 mouse_data);
+extern void add_interrupt_randomness(int irq);
+extern void add_blkdev_randomness(int major);
+
+extern void get_random_bytes(void *buf, int nbytes);
+
+extern __u32 secure_tcp_sequence_number(__u32 saddr, __u32 daddr,
+ __u16 sport, __u16 dport);
+extern __u32 secure_tcp_syn_cookie(__u32 saddr, __u32 daddr,
+ __u16 sport, __u16 dport,
+ __u32 sseq, __u32 count,
+ __u32 data);
+extern __u32 check_tcp_syn_cookie(__u32 cookie, __u32 saddr,
+ __u32 daddr, __u16 sport,
+ __u16 dport, __u32 sseq,
+ __u32 count, __u32 maxdiff);
+
+#ifndef MODULE
+extern struct file_operations random_fops, urandom_fops;
+#endif
+
+#endif /* __KERNEL___ */
+
+#endif /* _LINUX_RANDOM_H */