cnat_ports.h File Reference

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Data Structures
struct	cnat_portmap_t
struct	cnat_portmap_v2_t

Macros
#define	PORTS_PER_ADDR   65536
#define	CNAT_INSTS   PLATFORM_CNAT_INSTS
#define	BITS_PER_INST   (PORTS_PER_ADDR)
#define	MIN_STATIC_PORT_RANGE_FOR_RTSP   (9900)
#define	PORT_PROBE_LIMIT   20

Enumerations
enum	port_pair_t { PORT_SINGLE =0, PORT_PAIR =1, PORT_S_EVEN =2, PORT_S_ODD =3 }
enum	port_type_t { PORT_TYPE_DYNAMIC =0, PORT_TYPE_STATIC =1, PORT_TYPE_RTSP =2 }
enum	port_alloc_t { PORT_ALLOC_ANY =1, PORT_ALLOC_DIRECTED =2 }

Functions
static u16	bit2port (u32 bit)
static uword	port2bit (u16 port)
static u32	randq1 (u32 prev)
cnat_errno_t	cnat_static_port_alloc_v2 (cnat_portmap_v2_t *pm, port_alloc_t atype, port_pair_t pair_type, u32 i_ipv4_address, u16 i_port, u32 *index, u32 *o_ipv4_address, u16 *o_port, u16 static_port_range, bulk_alloc_size_t bulk_size, int *nfv9_log_req, u16 ip_n_to_1)
cnat_errno_t	cnat_mapped_static_port_alloc_v2 (cnat_portmap_v2_t *pm, port_alloc_t atype, u32 *index, u32 ipv4_address, u16 port, int *nfv9_log_req, bulk_alloc_size_t bulk_size, u16 ip_n_to_1)
cnat_errno_t	cnat_dynamic_port_alloc_v2 (cnat_portmap_v2_t *pm, port_alloc_t atype, port_pair_t pair_type, u32 *index, u32 *o_ipv4_address, u16 *o_port, u16 static_port_range, bulk_alloc_size_t bulk_size, int *nfv9_log_req, u16 ip_n_to_1, u32 *rseed_ip)
cnat_errno_t	cnat_dynamic_port_alloc_rtsp (cnat_portmap_v2_t *pm, port_alloc_t atype, port_pair_t pair_type, u16 start_range, u16 end_range, u32 *index, u32 *o_ipv4_address, u16 *o_port, bulk_alloc_size_t bulk_size, int *nfv9_log_req, u32 *rseed_ip)
void	cnat_port_free_v2 (cnat_portmap_v2_t *pm, int index, port_pair_t ptype, u16 base_port, u16 static_port_range)
void	cnat_portmap_dump_v2 (cnat_portmap_v2_t *pm, u16 print_limit)
cnat_errno_t	nat64_static_port_alloc (cnat_portmap_v2_t *pm, port_alloc_t atype, port_pair_t pair_type, u32 *i_ipv6_address, u16 i_port, u32 *index, u32 *o_ipv4_address, u16 *o_port)

Variables
u8	my_instance_number

Macro Definition Documentation

#define BITS_PER_INST   (PORTS_PER_ADDR)

Definition at line 30 of file cnat_ports.h.

#define CNAT_INSTS   PLATFORM_CNAT_INSTS

Definition at line 28 of file cnat_ports.h.

#define MIN_STATIC_PORT_RANGE_FOR_RTSP   (9900)

Definition at line 36 of file cnat_ports.h.

#define PORT_PROBE_LIMIT   20

Definition at line 101 of file cnat_ports.h.

#define PORTS_PER_ADDR   65536

Definition at line 26 of file cnat_ports.h.

Enumeration Type Documentation

enum port_alloc_t

Enumerator
PORT_ALLOC_ANY
PORT_ALLOC_DIRECTED

Definition at line 96 of file cnat_ports.h.

enum port_pair_t

Enumerator
PORT_SINGLE
PORT_PAIR
PORT_S_EVEN
PORT_S_ODD

Definition at line 82 of file cnat_ports.h.

enum port_type_t

Enumerator
PORT_TYPE_DYNAMIC
PORT_TYPE_STATIC
PORT_TYPE_RTSP

Definition at line 89 of file cnat_ports.h.

Function Documentation

static u16 bit2port ( u32  bit )

inlinestatic

Definition at line 43 of file cnat_ports.h.

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cnat_errno_t cnat_dynamic_port_alloc_rtsp	(	cnat_portmap_v2_t *	pm,
		port_alloc_t	atype,
		port_pair_t	pair_type,
		u16	start_range,
		u16	end_range,
		u32 *	index,
		u32 *	o_ipv4_address,
		u16 *	o_port,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req,
		u32 *	rseed_ip
	)

Definition at line 906 of file cnat_ports.c.

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cnat_errno_t cnat_dynamic_port_alloc_v2	(	cnat_portmap_v2_t *	pm,
		port_alloc_t	atype,
		port_pair_t	pair_type,
		u32 *	index,
		u32 *	o_ipv4_address,
		u16 *	o_port,
		u16	static_port_range,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req,
		u16	ip_n_to_1,
		u32 *	rseed_ip
	)

Definition at line 554 of file cnat_ports.c.

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cnat_errno_t cnat_mapped_static_port_alloc_v2	(	cnat_portmap_v2_t *	pm,
		port_alloc_t	atype,
		u32 *	index,
		u32	ipv4_address,
		u16	port,
		int *	nfv9_log_req,
		bulk_alloc_size_t	bulk_size,
		u16	ip_n_to_1
	)

Definition at line 932 of file cnat_ports.c.

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void cnat_port_free_v2	(	cnat_portmap_v2_t *	pm,
		int	index,
		port_pair_t	ptype,
		u16	base_port,
		u16	static_port_range
	)

Definition at line 1037 of file cnat_ports.c.

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void cnat_portmap_dump_v2	(	cnat_portmap_v2_t *	pm,
		u16	print_limit
	)

Definition at line 1072 of file cnat_ports.c.

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cnat_errno_t cnat_static_port_alloc_v2	(	cnat_portmap_v2_t *	pm,
		port_alloc_t	atype,
		port_pair_t	pair_type,
		u32	i_ipv4_address,
		u16	i_port,
		u32 *	index,
		u32 *	o_ipv4_address,
		u16 *	o_port,
		u16	static_port_range,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req,
		u16	ip_n_to_1
	)

Definition at line 135 of file cnat_ports.c.

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cnat_errno_t nat64_static_port_alloc	(	cnat_portmap_v2_t *	pm,
		port_alloc_t	atype,
		port_pair_t	pair_type,
		u32 *	i_ipv6_address,
		u16	i_port,
		u32 *	index,
		u32 *	o_ipv4_address,
		u16 *	o_port
	)

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static uword port2bit ( u16  port )

inlinestatic

Definition at line 48 of file cnat_ports.h.

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static u32 randq1 ( u32  prev )

inlinestatic

Definition at line 111 of file cnat_ports.h.

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Variable Documentation

u8 my_instance_number

Definition at line 51 of file cnat_ports.c.