nat_ipfix_logging.c File Reference

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Data Structures
struct	snat_ipfix_logging_nat44_ses_args_t
struct	snat_ipfix_logging_addr_exhausted_args_t
struct	snat_ipfix_logging_max_entries_per_user_args_t

Macros
#define	NAT44_SESSION_CREATE_LEN   26
#define	NAT_ADDRESSES_EXHAUTED_LEN   13
#define	MAX_ENTRIES_PER_USER_LEN   17
#define	NAT44_SESSION_CREATE_FIELD_COUNT   8
#define	NAT_ADDRESSES_EXHAUTED_FIELD_COUNT   3
#define	MAX_ENTRIES_PER_USER_FIELD_COUNT   4
#define	skip_if_disabled()

Functions
static u8 *	snat_template_rewrite (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port, nat_event_t event, quota_exceed_event_t quota_event)
	Create an IPFIX template packet rewrite string. More...
u8 *	snat_template_rewrite_addr_exhausted (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port)
u8 *	snat_template_rewrite_nat44_session (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port)
u8 *	snat_template_rewrite_max_entries_per_usr (flow_report_main_t *frm, flow_report_t *fr, ip4_address_t *collector_address, ip4_address_t *src_address, u16 collector_port)
static void	snat_ipfix_header_create (flow_report_main_t *frm, vlib_buffer_t *b0, u32 *offset)
static void	snat_ipfix_send (flow_report_main_t *frm, vlib_frame_t *f, vlib_buffer_t *b0, u16 template_id)
static void	snat_ipfix_logging_nat44_ses (u8 nat_event, u32 src_ip, u32 nat_src_ip, snat_protocol_t snat_proto, u16 src_port, u16 nat_src_port, u32 vrf_id, int do_flush)
static void	snat_ipfix_logging_addr_exhausted (u32 pool_id, int do_flush)
static void	snat_ipfix_logging_max_entries_per_usr (u32 src_ip, int do_flush)
static void	snat_ipfix_logging_nat44_ses_rpc_cb (snat_ipfix_logging_nat44_ses_args_t *a)
void	snat_ipfix_logging_nat44_ses_create (u32 src_ip, u32 nat_src_ip, snat_protocol_t snat_proto, u16 src_port, u16 nat_src_port, u32 vrf_id)
	Generate NAT44 session create event. More...
void	snat_ipfix_logging_nat44_ses_delete (u32 src_ip, u32 nat_src_ip, snat_protocol_t snat_proto, u16 src_port, u16 nat_src_port, u32 vrf_id)
	Generate NAT44 session delete event. More...
vlib_frame_t *	snat_data_callback_nat44_session (flow_report_main_t *frm, flow_report_t *fr, vlib_frame_t *f, u32 *to_next, u32 node_index)
static void	snat_ipfix_logging_addr_exhausted_rpc_cb (snat_ipfix_logging_addr_exhausted_args_t *a)
void	snat_ipfix_logging_addresses_exhausted (u32 pool_id)
	Generate NAT addresses exhausted event. More...
vlib_frame_t *	snat_data_callback_addr_exhausted (flow_report_main_t *frm, flow_report_t *fr, vlib_frame_t *f, u32 *to_next, u32 node_index)
static void	snat_ipfix_logging_max_entries_per_usr_rpc_cb (snat_ipfix_logging_max_entries_per_user_args_t *a)
void	snat_ipfix_logging_max_entries_per_user (u32 src_ip)
	Generate maximum entries per user exceeded event. More...
vlib_frame_t *	snat_data_callback_max_entries_per_usr (flow_report_main_t *frm, flow_report_t *fr, vlib_frame_t *f, u32 *to_next, u32 node_index)
int	snat_ipfix_logging_enable_disable (int enable, u32 domain_id, u16 src_port)
	Enable/disable NAT plugin IPFIX logging. More...
void	snat_ipfix_logging_init (vlib_main_t *vm)
	Initialize NAT plugin IPFIX logging. More...

Variables
snat_ipfix_logging_main_t	snat_ipfix_logging_main

Macro Definition Documentation

#define MAX_ENTRIES_PER_USER_FIELD_COUNT   4

Definition at line 31 of file nat_ipfix_logging.c.

#define MAX_ENTRIES_PER_USER_LEN   17

Definition at line 27 of file nat_ipfix_logging.c.

#define NAT44_SESSION_CREATE_FIELD_COUNT   8

Definition at line 29 of file nat_ipfix_logging.c.

#define NAT44_SESSION_CREATE_LEN   26

Definition at line 25 of file nat_ipfix_logging.c.

#define NAT_ADDRESSES_EXHAUTED_FIELD_COUNT   3

Definition at line 30 of file nat_ipfix_logging.c.

#define NAT_ADDRESSES_EXHAUTED_LEN   13

Definition at line 26 of file nat_ipfix_logging.c.

#define skip_if_disabled

(

)

Value:

do {                                                          \
  snat_ipfix_logging_main_t *silm = &snat_ipfix_logging_main; \
  if (PREDICT_TRUE (!silm->enabled))                          \
    return;                                                   \
} while (0)

Definition at line 54 of file nat_ipfix_logging.c.

Function Documentation

vlib_frame_t* snat_data_callback_addr_exhausted	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		vlib_frame_t *	f,
		u32 *	to_next,
		u32	node_index
	)

Definition at line 721 of file nat_ipfix_logging.c.

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vlib_frame_t* snat_data_callback_max_entries_per_usr	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		vlib_frame_t *	f,
		u32 *	to_next,
		u32	node_index
	)

Definition at line 757 of file nat_ipfix_logging.c.

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vlib_frame_t* snat_data_callback_nat44_session	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		vlib_frame_t *	f,
		u32 *	to_next,
		u32	node_index
	)

Definition at line 685 of file nat_ipfix_logging.c.

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static void snat_ipfix_header_create ( flow_report_main_t *  frm, vlib_buffer_t *  b0, u32 *  offset  )

inlinestatic

Definition at line 244 of file nat_ipfix_logging.c.

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static void snat_ipfix_logging_addr_exhausted ( u32  pool_id, int  do_flush  )

static

Definition at line 435 of file nat_ipfix_logging.c.

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static void snat_ipfix_logging_addr_exhausted_rpc_cb ( snat_ipfix_logging_addr_exhausted_args_t *  a )

static

Definition at line 696 of file nat_ipfix_logging.c.

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void snat_ipfix_logging_addresses_exhausted

(

u32

pool_id

)

Generate NAT addresses exhausted event.

Parameters

pool_id

NAT pool ID

Definition at line 707 of file nat_ipfix_logging.c.

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int snat_ipfix_logging_enable_disable	(	int	enable,
		u32	domain_id,
		u16	src_port
	)

Enable/disable NAT plugin IPFIX logging.

Parameters

enable	1 if enable, 0 if disable
domain_id	observation domain ID
src_port	source port number

Returns

0 if success

Definition at line 776 of file nat_ipfix_logging.c.

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void snat_ipfix_logging_init

(

vlib_main_t *

vm

)

Initialize NAT plugin IPFIX logging.

Parameters

vm

vlib main

Definition at line 839 of file nat_ipfix_logging.c.

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void snat_ipfix_logging_max_entries_per_user

(

u32

src_ip

)

Generate maximum entries per user exceeded event.

Parameters

src_ip

source IPv4 address

Definition at line 743 of file nat_ipfix_logging.c.

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static void snat_ipfix_logging_max_entries_per_usr ( u32  src_ip, int  do_flush  )

static

Definition at line 521 of file nat_ipfix_logging.c.

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static void snat_ipfix_logging_max_entries_per_usr_rpc_cb ( snat_ipfix_logging_max_entries_per_user_args_t *  a )

static

Definition at line 732 of file nat_ipfix_logging.c.

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static void snat_ipfix_logging_nat44_ses ( u8  nat_event, u32  src_ip, u32  nat_src_ip, snat_protocol_t  snat_proto, u16  src_port, u16  nat_src_port, u32  vrf_id, int  do_flush  )

static

Definition at line 330 of file nat_ipfix_logging.c.

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void snat_ipfix_logging_nat44_ses_create	(	u32	src_ip,
		u32	nat_src_ip,
		snat_protocol_t	snat_proto,
		u16	src_port,
		u16	nat_src_port,
		u32	vrf_id
	)

Generate NAT44 session create event.

Parameters

src_ip	source IPv4 address
nat_src_ip	transaltes source IPv4 address
snat_proto	NAT transport protocol
src_port	source port
nat_src_port	translated source port
vrf_id	VRF ID

Definition at line 629 of file nat_ipfix_logging.c.

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void snat_ipfix_logging_nat44_ses_delete	(	u32	src_ip,
		u32	nat_src_ip,
		snat_protocol_t	snat_proto,
		u16	src_port,
		u16	nat_src_port,
		u32	vrf_id
	)

Generate NAT44 session delete event.

Parameters

src_ip	source IPv4 address
nat_src_ip	transaltes source IPv4 address
snat_proto	NAT transport protocol
src_port	source port
nat_src_port	translated source port
vrf_id	VRF ID

Definition at line 662 of file nat_ipfix_logging.c.

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static void snat_ipfix_logging_nat44_ses_rpc_cb ( snat_ipfix_logging_nat44_ses_args_t *  a )

static

Definition at line 611 of file nat_ipfix_logging.c.

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static void snat_ipfix_send ( flow_report_main_t *  frm, vlib_frame_t *  f, vlib_buffer_t *  b0, u16  template_id  )

inlinestatic

Definition at line 290 of file nat_ipfix_logging.c.

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static u8* snat_template_rewrite ( flow_report_main_t *  frm, flow_report_t *  fr, ip4_address_t *  collector_address, ip4_address_t *  src_address, u16  collector_port, nat_event_t  event, quota_exceed_event_t  quota_event  )

inlinestatic

Create an IPFIX template packet rewrite string.

Parameters

frm	flow report main
fr	flow report
collector_address	collector address
src_address	source address
collector_port	collector
event	NAT event ID
quota_event	NAT quota exceeded event ID

Returns

template packet

Definition at line 75 of file nat_ipfix_logging.c.

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u8* snat_template_rewrite_addr_exhausted	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		ip4_address_t *	collector_address,
		ip4_address_t *	src_address,
		u16	collector_port
	)

Definition at line 210 of file nat_ipfix_logging.c.

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u8* snat_template_rewrite_max_entries_per_usr	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		ip4_address_t *	collector_address,
		ip4_address_t *	src_address,
		u16	collector_port
	)

Definition at line 232 of file nat_ipfix_logging.c.

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u8* snat_template_rewrite_nat44_session	(	flow_report_main_t *	frm,
		flow_report_t *	fr,
		ip4_address_t *	collector_address,
		ip4_address_t *	src_address,
		u16	collector_port
	)

Definition at line 221 of file nat_ipfix_logging.c.

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Variable Documentation

snat_ipfix_logging_main_t snat_ipfix_logging_main

Definition at line 23 of file nat_ipfix_logging.c.