lib.h File Reference

NAT port/address allocation lib. More...

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Data Structures
struct	nat_timeouts_t

Macros
#define	foreach_nat_config_flag
#define	foreach_nat_counter   _ (tcp) _ (udp) _ (icmp) _ (other) _ (drops)
#define	foreach_nat_error
#define	foreach_nat_protocol
#define	NAT_UDP_TIMEOUT   300
#define	NAT_TCP_TRANSITORY_TIMEOUT   240
#define	NAT_TCP_ESTABLISHED_TIMEOUT   7440
#define	NAT_ICMP_TIMEOUT   60

Typedefs
typedef enum nat_config_flags_t_	nat_config_flags_t

Enumerations
enum	nat_config_flags_t_ { foreach_nat_config_flag }
enum	nat_error_t { foreach_nat_error }
enum	nat_protocol_t { foreach_nat_protocol }

Functions
static_always_inline void	nat_reset_timeouts (nat_timeouts_t *timeouts)
static_always_inline u32	nat_session_get_timeout (nat_timeouts_t *timeouts, nat_protocol_t proto, u8 state)
static_always_inline u32	nat_calc_bihash_buckets (u32 n_elts)
u8 *	format_nat_protocol (u8 *s, va_list *args)
uword	unformat_nat_protocol (unformat_input_t *input, va_list *args)

Detailed Description

NAT port/address allocation lib.

Definition in file lib.h.

Macro Definition Documentation

foreach_nat_config_flag

#define foreach_nat_config_flag

Value:

  _(0x01, IS_TWICE_NAT)         \
  _(0x02, IS_SELF_TWICE_NAT)    \
  _(0x04, IS_OUT2IN_ONLY)       \
  _(0x08, IS_ADDR_ONLY)         \
  _(0x10, IS_OUTSIDE)           \
  _(0x20, IS_INSIDE)            \
  _(0x40, IS_STATIC)            \
  _(0x80, IS_EXT_HOST_VALID)

Definition at line 25 of file lib.h.

foreach_nat_counter

#define foreach_nat_counter   _ (tcp) _ (udp) _ (icmp) _ (other) _ (drops)

Definition at line 42 of file lib.h.

foreach_nat_error

#define foreach_nat_error

Value:

  _ (VALUE_EXIST, -1, "Value already exists")  \
  _ (NO_SUCH_ENTRY, -2, "No such entry")       \
  _ (UNKNOWN_PROTOCOL, -3, "Unknown protocol") \
  _ (OUT_OF_TRANSLATIONS, -4, "Out of translations")

Definition at line 44 of file lib.h.

foreach_nat_protocol

#define foreach_nat_protocol

Value:

  _ (OTHER, 0, other, "other") \
  _ (UDP, 1, udp, "udp")       \
  _ (TCP, 2, tcp, "tcp")       \
  _ (ICMP, 3, icmp, "icmp")

Definition at line 57 of file lib.h.

NAT_ICMP_TIMEOUT

#define NAT_ICMP_TIMEOUT   60

Definition at line 74 of file lib.h.

NAT_TCP_ESTABLISHED_TIMEOUT

#define NAT_TCP_ESTABLISHED_TIMEOUT   7440

Definition at line 73 of file lib.h.

NAT_TCP_TRANSITORY_TIMEOUT

#define NAT_TCP_TRANSITORY_TIMEOUT   240

Definition at line 72 of file lib.h.

NAT_UDP_TIMEOUT

#define NAT_UDP_TIMEOUT   300

Definition at line 71 of file lib.h.

Typedef Documentation

nat_config_flags_t

typedef enum nat_config_flags_t_ nat_config_flags_t

Enumeration Type Documentation

nat_config_flags_t_

enum nat_config_flags_t_

Enumerator
foreach_nat_config_flag

Definition at line 35 of file lib.h.

nat_error_t

enum nat_error_t

Enumerator
foreach_nat_error

Definition at line 50 of file lib.h.

nat_protocol_t

enum nat_protocol_t

Enumerator
foreach_nat_protocol

Definition at line 63 of file lib.h.

Function Documentation

format_nat_protocol()

u8* format_nat_protocol	(	u8 *	s,
		va_list *	args
	)

Definition at line 1627 of file nat64.c.

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nat_calc_bihash_buckets()

static_always_inline u32 nat_calc_bihash_buckets

(

u32

n_elts

)

Definition at line 122 of file lib.h.

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nat_reset_timeouts()

static_always_inline void nat_reset_timeouts

(

nat_timeouts_t *

timeouts

)

Definition at line 90 of file lib.h.

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nat_session_get_timeout()

static_always_inline u32 nat_session_get_timeout	(	nat_timeouts_t *	timeouts,
		nat_protocol_t	proto,
		u8	state
	)

Definition at line 99 of file lib.h.

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unformat_nat_protocol()

uword unformat_nat_protocol	(	unformat_input_t *	input,
		va_list *	args
	)

Definition at line 1613 of file nat64.c.