kern_uuid.c File Reference

#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/endian.h>
#include <sys/kernel.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/sbuf.h>
#include <sys/socket.h>
#include <sys/sysproto.h>
#include <sys/systm.h>
#include <sys/jail.h>
#include <sys/uuid.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <net/if_types.h>
#include <net/vnet.h>

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Data Structures
struct	uuid_private
struct	uuid_macaddr
struct	uuidgen_args

Macros
#define	UUID_ETHER_EMPTY   0
#define	UUID_ETHER_RANDOM   1
#define	UUID_ETHER_UNIQUE   2
#define	UUID_NETHER   4
#define	VUUIDF_PARSEFLAGS   (VUUIDF_EMPTYOK | VUUIDF_CHECKSEMANTICS)

Functions
	__FBSDID ("$FreeBSD$")
	CTASSERT (sizeof(struct uuid)==16)
	CTASSERT (sizeof(struct uuid_private)==16)
	MTX_SYSINIT (uuid_lock, &uuid_mutex, "UUID generator mutex lock", MTX_DEF)
static void	uuid_node (uint16_t *node)
static uint64_t	uuid_time (void)
struct uuid *	kern_uuidgen (struct uuid *store, size_t count)
int	sys_uuidgen (struct thread *td, struct uuidgen_args *uap)
int	uuid_ether_add (const uint8_t *addr)
int	uuid_ether_del (const uint8_t *addr)
int	snprintf_uuid (char *buf, size_t sz, struct uuid *uuid)
int	printf_uuid (struct uuid *uuid)
int	sbuf_printf_uuid (struct sbuf *sb, struct uuid *uuid)
void	le_uuid_enc (void *buf, struct uuid const *uuid)
void	le_uuid_dec (void const *buf, struct uuid *uuid)
void	be_uuid_enc (void *buf, struct uuid const *uuid)
void	be_uuid_dec (void const *buf, struct uuid *uuid)
int	validate_uuid (const char *str, size_t size, struct uuid *uuid, int flags)
int	parse_uuid (const char *str, struct uuid *uuid)
int	uuidcmp (const struct uuid *uuid1, const struct uuid *uuid2)

Variables
static struct uuid_private	uuid_last
static struct uuid_macaddr	uuid_ether [UUID_NETHER]
static struct mtx	uuid_mutex

Macro Definition Documentation

UUID_ETHER_EMPTY

#define UUID_ETHER_EMPTY   0

Definition at line 78 of file kern_uuid.c.

UUID_ETHER_RANDOM

#define UUID_ETHER_RANDOM   1

Definition at line 79 of file kern_uuid.c.

UUID_ETHER_UNIQUE

#define UUID_ETHER_UNIQUE   2

Definition at line 80 of file kern_uuid.c.

UUID_NETHER

#define UUID_NETHER   4

Definition at line 86 of file kern_uuid.c.

VUUIDF_PARSEFLAGS

#define VUUIDF_PARSEFLAGS   (VUUIDF_EMPTYOK | VUUIDF_CHECKSEMANTICS)

Definition at line 440 of file kern_uuid.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

be_uuid_dec()

void be_uuid_dec	(	void const *	buf,
		struct uuid *	uuid
	)

Definition at line 369 of file kern_uuid.c.

References buf.

be_uuid_enc()

void be_uuid_enc	(	void *	buf,
		struct uuid const *	uuid
	)

Definition at line 353 of file kern_uuid.c.

References buf.

CTASSERT() [1/2]

CTASSERT

(

sizeof(struct uuid)

= =16

)

CTASSERT() [2/2]

CTASSERT

(

sizeof(struct uuid_private)

= =16

)

kern_uuidgen()

struct uuid * kern_uuidgen	(	struct uuid *	store,
		size_t	count
	)

Definition at line 132 of file kern_uuid.c.

References count, uuid_private::hi, uuid_private::ll, uuid_private::low, uuid_private::mid, uuid_private::node, uuid_private::seq, uuid_private::time, uuid_last, uuid_mutex, uuid_node(), uuid_time(), and uuid_private::x.

Referenced by sys_uuidgen().

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le_uuid_dec()

void le_uuid_dec	(	void const *	buf,
		struct uuid *	uuid
	)

Definition at line 337 of file kern_uuid.c.

References buf.

le_uuid_enc()

void le_uuid_enc	(	void *	buf,
		struct uuid const *	uuid
	)

Definition at line 321 of file kern_uuid.c.

References buf.

MTX_SYSINIT()

MTX_SYSINIT	(	uuid_lock	,
		&	uuid_mutex,
		"UUID generator mutex lock"	,
		MTX_DEF
	)

parse_uuid()

int parse_uuid	(	const char *	str,
		struct uuid *	uuid
	)

Definition at line 443 of file kern_uuid.c.

References validate_uuid(), and VUUIDF_PARSEFLAGS.

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printf_uuid()

int printf_uuid

(

struct uuid *

uuid

)

Definition at line 286 of file kern_uuid.c.

References buf, printf(), and snprintf_uuid().

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sbuf_printf_uuid()

int sbuf_printf_uuid	(	struct sbuf *	sb,
		struct uuid *	uuid
	)

Definition at line 295 of file kern_uuid.c.

References buf, sbuf_cat(), and snprintf_uuid().

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snprintf_uuid()

int snprintf_uuid	(	char *	buf,
		size_t	sz,
		struct uuid *	uuid
	)

Definition at line 273 of file kern_uuid.c.

References buf, uuid_private::hi, uuid_private::low, uuid_private::mid, uuid_private::node, uuid_private::seq, snprintf(), uuid_private::time, and uuid_private::x.

Referenced by printf_uuid(), and sbuf_printf_uuid().

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sys_uuidgen()

int sys_uuidgen	(	struct thread *	td,
		struct uuidgen_args *	uap
	)

Definition at line 179 of file kern_uuid.c.

References count, uuidgen_args::count, free(), kern_uuidgen(), malloc(), and uuidgen_args::store.

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uuid_ether_add()

int uuid_ether_add

(

const uint8_t *

addr

)

Definition at line 203 of file kern_uuid.c.

References addr, uuid_macaddr::state, uuid_ether, UUID_ETHER_RANDOM, UUID_ETHER_UNIQUE, uuid_mutex, and UUID_NETHER.

uuid_ether_del()

int uuid_ether_del

(

const uint8_t *

addr

)

Definition at line 245 of file kern_uuid.c.

References addr, uuid_macaddr::state, uuid_ether, UUID_ETHER_EMPTY, UUID_ETHER_UNIQUE, uuid_mutex, and UUID_NETHER.

uuid_node()

static void uuid_node ( uint16_t *  node )

static

Definition at line 99 of file kern_uuid.c.

References uuid_macaddr::state, uuid_ether, UUID_ETHER_EMPTY, and UUID_ETHER_RANDOM.

Referenced by kern_uuidgen().

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uuid_time()

static uint64_t uuid_time ( void  )

static

Definition at line 120 of file kern_uuid.c.

References bintime(), and bt.

Referenced by kern_uuidgen().

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uuidcmp()

int uuidcmp	(	const struct uuid *	uuid1,
		const struct uuid *	uuid2
	)

Definition at line 450 of file kern_uuid.c.

validate_uuid()

int validate_uuid	(	const char *	str,
		size_t	size,
		struct uuid *	uuid,
		int	flags
	)

Definition at line 385 of file kern_uuid.c.

References flags, and sscanf().

Referenced by parse_uuid(), and prison0_init().

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Variable Documentation

uuid_ether

struct uuid_macaddr uuid_ether[UUID_NETHER]

static

Definition at line 87 of file kern_uuid.c.

Referenced by uuid_ether_add(), uuid_ether_del(), and uuid_node().

uuid_last

struct uuid_private uuid_last

static

Definition at line 84 of file kern_uuid.c.

Referenced by kern_uuidgen().

uuid_mutex

struct mtx uuid_mutex

static

Definition at line 89 of file kern_uuid.c.

Referenced by kern_uuidgen(), uuid_ether_add(), and uuid_ether_del().