cnat_bulk_port.c File Reference

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Macros
#define	PORT_TO_CACHE(y, z)   ((y)/(z))
#define	CACHE_TO_PORT(x, z)   (((x)& 0x7FFF) * (z))
#define	IS_CACHE_ENTRY_FULL(x)   ((x) & 0x8000)
#define	MARK_CACHE_ENTRY_AS_FULL(x)   ((x) = ((x) | 0x8000))
#define	UNMARK_CACHE_ENTRY_AS_FULL(x)   ((x) = ((x) & 0x7FFF))
#define	CACHE_ENTRY_WITHOUT_FULL_STAT(x)   ((x) & 0x7FFF)
#define	NUM_BULK_CHECK
#define	HAVE_BULK_PORT_STATS   1

Functions
void	show_bulk_port_allocation (u16 in_vrfid, u32 inside_ip)
void	show_bulk_port_stats ()
void	clear_bulk_port_stats ()
void	cnat_update_bulk_range_cache (cnat_user_db_entry_t *udb, u16 o_port, bulk_alloc_size_t bulk_size)
void	cnat_port_free_v2_bulk (cnat_portmap_v2_t *pm, int index, port_pair_t ptype, u16 base_port, cnat_user_db_entry_t *udb, u16 static_port_range, bulk_alloc_size_t bulk_size, int *nfv9_log_req)
static i16	get_suiting_port_pos_from_range (cnat_portmap_v2_t *my_pm, u16 bulk_start, i16 bulk_size, port_pair_t pair_type)
static cnat_errno_t	try_bulk_port_from_non_cache (cnat_user_db_entry_t *udb, cnat_portmap_v2_t *my_pm, port_pair_t pair_type, bulk_alloc_size_t bulk_size, u16 *port_available, u16 static_port_range)
cnat_errno_t	cnat_dynamic_port_alloc_v2_bulk (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, cnat_user_db_entry_t *udb, bulk_alloc_size_t bulk_size, int *nfv9_log_req, u16 ip_n_to_1, u32 *rseed_ip)
cnat_errno_t	cnat_static_port_alloc_v2_bulk (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, cnat_user_db_entry_t *udb, bulk_alloc_size_t bulk_size, int *nfv9_log_req, u16 ip_n_to_1)
cnat_errno_t	cnat_mapped_static_port_alloc_v2_bulk (cnat_portmap_v2_t *pm, port_alloc_t atype, u32 *index, u32 ipv4_address, u16 port, cnat_user_db_entry_t *udb, bulk_alloc_size_t bulk_size, int *nfv9_log_req, u16 ip_n_to_1)
cnat_errno_t	cnat_dynamic_port_alloc_rtsp_bulk (cnat_portmap_v2_t *pm, port_alloc_t atype, port_pair_t pair_type, u16 i_port, u32 *index, u32 *o_ipv4_address, u16 *o_port, u16 static_port_range, cnat_user_db_entry_t *udb, bulk_alloc_size_t bulk_size, int *nfv9_log_req, u32 *rseed_ip)

Variables
static uword	bulk_cache_hit_count
static uword	bulk_port_use_count
static uword	bulk_port_alloc_count
static uword	mapped_port_alloc_count
static u32	bulk_port_rand_across

Macro Definition Documentation

#define CACHE_ENTRY_WITHOUT_FULL_STAT

(

x

)

((x) & 0x7FFF)

Definition at line 48 of file cnat_bulk_port.c.

#define CACHE_TO_PORT	(		x,
			z
	)		(((x)& 0x7FFF) * (z))

Definition at line 44 of file cnat_bulk_port.c.

#define HAVE_BULK_PORT_STATS   1

Definition at line 57 of file cnat_bulk_port.c.

#define IS_CACHE_ENTRY_FULL

(

x

)

((x) & 0x8000)

Definition at line 45 of file cnat_bulk_port.c.

#define MARK_CACHE_ENTRY_AS_FULL

(

x

)

((x) = ((x) | 0x8000))

Definition at line 46 of file cnat_bulk_port.c.

#define NUM_BULK_CHECK

Value:

128 /* max number of previous chache to check.
    * somewhat orbirtrary.. assume 64 as bulk size.. can handle up 
    * to 128*64 ports allocated by a single subscriber */

Definition at line 51 of file cnat_bulk_port.c.

#define PORT_TO_CACHE	(		y,
			z
	)		((y)/(z))

Definition at line 42 of file cnat_bulk_port.c.

#define UNMARK_CACHE_ENTRY_AS_FULL

(

x

)

((x) = ((x) & 0x7FFF))

Definition at line 47 of file cnat_bulk_port.c.

Function Documentation

void clear_bulk_port_stats

(

)

Definition at line 191 of file cnat_bulk_port.c.

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cnat_errno_t cnat_dynamic_port_alloc_rtsp_bulk	(	cnat_portmap_v2_t *	pm,
		port_alloc_t	atype,
		port_pair_t	pair_type,
		u16	i_port,
		u32 *	index,
		u32 *	o_ipv4_address,
		u16 *	o_port,
		u16	static_port_range,
		cnat_user_db_entry_t *	udb,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req,
		u32 *	rseed_ip
	)

Definition at line 775 of file cnat_bulk_port.c.

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cnat_errno_t cnat_dynamic_port_alloc_v2_bulk	(	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,
		cnat_user_db_entry_t *	udb,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req,
		u16	ip_n_to_1,
		u32 *	rseed_ip
	)

Definition at line 477 of file cnat_bulk_port.c.

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cnat_errno_t cnat_mapped_static_port_alloc_v2_bulk	(	cnat_portmap_v2_t *	pm,
		port_alloc_t	atype,
		u32 *	index,
		u32	ipv4_address,
		u16	port,
		cnat_user_db_entry_t *	udb,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req,
		u16	ip_n_to_1
	)

Definition at line 729 of file cnat_bulk_port.c.

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void cnat_port_free_v2_bulk	(	cnat_portmap_v2_t *	pm,
		int	index,
		port_pair_t	ptype,
		u16	base_port,
		cnat_user_db_entry_t *	udb,
		u16	static_port_range,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req
	)

Definition at line 248 of file cnat_bulk_port.c.

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cnat_errno_t cnat_static_port_alloc_v2_bulk	(	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,
		cnat_user_db_entry_t *	udb,
		bulk_alloc_size_t	bulk_size,
		int *	nfv9_log_req,
		u16	ip_n_to_1
	)

Definition at line 598 of file cnat_bulk_port.c.

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void cnat_update_bulk_range_cache	(	cnat_user_db_entry_t *	udb,
		u16	o_port,
		bulk_alloc_size_t	bulk_size
	)

Definition at line 202 of file cnat_bulk_port.c.

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static i16 get_suiting_port_pos_from_range ( cnat_portmap_v2_t *  my_pm, u16  bulk_start, i16  bulk_size, port_pair_t  pair_type  )

static

Definition at line 315 of file cnat_bulk_port.c.

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void show_bulk_port_allocation	(	u16	in_vrfid,
		u32	inside_ip
	)

Definition at line 68 of file cnat_bulk_port.c.

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void show_bulk_port_stats

(

)

Definition at line 164 of file cnat_bulk_port.c.

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static cnat_errno_t try_bulk_port_from_non_cache ( cnat_user_db_entry_t *  udb, cnat_portmap_v2_t *  my_pm, port_pair_t  pair_type, bulk_alloc_size_t  bulk_size, u16 *  port_available, u16  static_port_range  )

static

Definition at line 376 of file cnat_bulk_port.c.

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Variable Documentation

uword bulk_cache_hit_count

static

Definition at line 60 of file cnat_bulk_port.c.

uword bulk_port_alloc_count

static

Definition at line 62 of file cnat_bulk_port.c.

u32 bulk_port_rand_across

static

Definition at line 66 of file cnat_bulk_port.c.

uword bulk_port_use_count

static

Definition at line 61 of file cnat_bulk_port.c.

uword mapped_port_alloc_count

static

Definition at line 63 of file cnat_bulk_port.c.