cnat_node.h File Reference

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Data Structures
struct	cnat_trace_element_t_

Typedefs
typedef uword(*	cnat_node_sub_t) (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, cnat_node_ctx_t *ctx, int rv, cnat_session_t *session)
typedef struct cnat_trace_element_t_	cnat_trace_element_t
typedef enum cnat_trace_element_flag_t_	cnat_trace_element_flag_t

Enumerations
enum	cnat_trace_element_flag_t_ { CNAT_TRACE_SESSION_FOUND = (1 << 0), CNAT_TRACE_SESSION_CREATED = (1 << 1), CNAT_TRACE_TRANSLATION_FOUND = (1 << 2), CNAT_TRACE_NO_NAT = (1 << 3) }

Functions
static_always_inline void	cnat_add_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, cnat_session_t *session, const cnat_translation_t *ct, u8 flags)
static u8 *	format_cnat_trace (u8 *s, va_list *args)
static_always_inline u8	icmp_type_is_error_message (u8 icmp_type)
static_always_inline u8	icmp_type_is_echo (u8 icmp_type)
static_always_inline u8	icmp6_type_is_echo (u8 icmp_type)
static_always_inline u8	icmp6_type_is_error_message (u8 icmp_type)
static_always_inline u8	cmp_ip6_address (const ip6_address_t *a1, const ip6_address_t *a2)
static_always_inline u8	has_ip6_address (ip6_address_t *a)
	Inline translation functions. More...
static_always_inline void	cnat_ip4_translate_l4 (ip4_header_t *ip4, udp_header_t *udp, ip_csum_t *sum, ip4_address_t new_addr[VLIB_N_DIR], u16 new_port[VLIB_N_DIR])
static_always_inline void	cnat_ip4_translate_l3 (ip4_header_t *ip4, ip4_address_t new_addr[VLIB_N_DIR])
static_always_inline void	cnat_tcp_update_session_lifetime (tcp_header_t *tcp, u32 index)
static_always_inline void	cnat_translation_icmp4_echo (ip4_header_t *ip4, icmp46_header_t *icmp, ip4_address_t new_addr[VLIB_N_DIR], u16 new_port[VLIB_N_DIR])
static_always_inline void	cnat_translation_icmp4_error (ip4_header_t *outer_ip4, icmp46_header_t *icmp, ip4_address_t outer_new_addr[VLIB_N_DIR], u16 outer_new_port[VLIB_N_DIR], u8 snat_outer_ip)
static_always_inline void	cnat_translation_ip4 (const cnat_session_t *session, ip4_header_t *ip4, udp_header_t *udp)
static_always_inline void	cnat_ip6_translate_l3 (ip6_header_t *ip6, ip6_address_t new_addr[VLIB_N_DIR])
static_always_inline void	cnat_ip6_translate_l4 (ip6_header_t *ip6, udp_header_t *udp, ip_csum_t *sum, ip6_address_t new_addr[VLIB_N_DIR], u16 new_port[VLIB_N_DIR])
static_always_inline void	cnat_translation_icmp6_echo (ip6_header_t *ip6, icmp46_header_t *icmp, ip6_address_t new_addr[VLIB_N_DIR], u16 new_port[VLIB_N_DIR])
static_always_inline void	cnat_translation_icmp6_error (ip6_header_t *outer_ip6, icmp46_header_t *icmp, ip6_address_t outer_new_addr[VLIB_N_DIR], u16 outer_new_port[VLIB_N_DIR], u8 snat_outer_ip)
static_always_inline void	cnat_translation_ip6 (const cnat_session_t *session, ip6_header_t *ip6, udp_header_t *udp)
static_always_inline void	cnat_session_make_key (vlib_buffer_t *b, ip_address_family_t af, cnat_session_location_t cs_loc, cnat_bihash_kv_t *bkey)
static_always_inline cnat_ep_trk_t *	cnat_load_balance (const cnat_translation_t *ct, ip_address_family_t af, ip4_header_t *ip4, ip6_header_t *ip6, u32 *dpoi_index)
static_always_inline void	cnat_session_create (cnat_session_t *session, cnat_node_ctx_t *ctx, cnat_session_location_t rsession_location, u8 rsession_flags)
	Create NAT sessions rsession_location is the location the (return) session will be matched at. More...
static uword	cnat_node_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, cnat_node_sub_t cnat_sub, ip_address_family_t af, cnat_session_location_t cs_loc, u8 do_trace)

Typedef Documentation

cnat_node_sub_t

typedef uword(* cnat_node_sub_t) (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b, cnat_node_ctx_t *ctx, int rv, cnat_session_t *session)

Definition at line 31 of file cnat_node.h.

cnat_trace_element_flag_t

typedef enum cnat_trace_element_flag_t_ cnat_trace_element_flag_t

cnat_trace_element_t

typedef struct cnat_trace_element_t_ cnat_trace_element_t

Enumeration Type Documentation

cnat_trace_element_flag_t_

enum cnat_trace_element_flag_t_

Enumerator
CNAT_TRACE_SESSION_FOUND
CNAT_TRACE_SESSION_CREATED
CNAT_TRACE_TRANSLATION_FOUND
CNAT_TRACE_NO_NAT

Definition at line 46 of file cnat_node.h.

Function Documentation

cmp_ip6_address()

static_always_inline u8 cmp_ip6_address	(	const ip6_address_t *	a1,
		const ip6_address_t *	a2
	)

Definition at line 162 of file cnat_node.h.

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cnat_add_trace()

static_always_inline void cnat_add_trace	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_buffer_t *	b,
		cnat_session_t *	session,
		const cnat_translation_t *	ct,
		u8	flags
	)

Definition at line 55 of file cnat_node.h.

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cnat_ip4_translate_l3()

static_always_inline void cnat_ip4_translate_l3	(	ip4_header_t *	ip4,
		ip4_address_t	new_addr[VLIB_N_DIR]
	)

Definition at line 229 of file cnat_node.h.

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cnat_ip4_translate_l4()

static_always_inline void cnat_ip4_translate_l4	(	ip4_header_t *	ip4,
		udp_header_t *	udp,
		ip_csum_t *	sum,
		ip4_address_t	new_addr[VLIB_N_DIR],
		u16	new_port[VLIB_N_DIR]
	)

Definition at line 179 of file cnat_node.h.

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cnat_ip6_translate_l3()

static_always_inline void cnat_ip6_translate_l3	(	ip6_header_t *	ip6,
		ip6_address_t	new_addr[VLIB_N_DIR]
	)

Definition at line 428 of file cnat_node.h.

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cnat_ip6_translate_l4()

static_always_inline void cnat_ip6_translate_l4	(	ip6_header_t *	ip6,
		udp_header_t *	udp,
		ip_csum_t *	sum,
		ip6_address_t	new_addr[VLIB_N_DIR],
		u16	new_port[VLIB_N_DIR]
	)

Definition at line 437 of file cnat_node.h.

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cnat_load_balance()

static_always_inline cnat_ep_trk_t* cnat_load_balance	(	const cnat_translation_t *	ct,
		ip_address_family_t	af,
		ip4_header_t *	ip4,
		ip6_header_t *	ip6,
		u32 *	dpoi_index
	)

Definition at line 807 of file cnat_node.h.

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cnat_node_inline()

static uword cnat_node_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, cnat_node_sub_t  cnat_sub, ip_address_family_t  af, cnat_session_location_t  cs_loc, u8  do_trace  )

inlinestatic

Definition at line 933 of file cnat_node.h.

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cnat_session_create()

static_always_inline void cnat_session_create	(	cnat_session_t *	session,
		cnat_node_ctx_t *	ctx,
		cnat_session_location_t	rsession_location,
		u8	rsession_flags
	)

Create NAT sessions rsession_location is the location the (return) session will be matched at.

Definition at line 841 of file cnat_node.h.

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cnat_session_make_key()

static_always_inline void cnat_session_make_key	(	vlib_buffer_t *	b,
		ip_address_family_t	af,
		cnat_session_location_t	cs_loc,
		cnat_bihash_kv_t *	bkey
	)

Definition at line 685 of file cnat_node.h.

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cnat_tcp_update_session_lifetime()

static_always_inline void cnat_tcp_update_session_lifetime	(	tcp_header_t *	tcp,
		u32	index
	)

Definition at line 256 of file cnat_node.h.

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cnat_translation_icmp4_echo()

static_always_inline void cnat_translation_icmp4_echo	(	ip4_header_t *	ip4,
		icmp46_header_t *	icmp,
		ip4_address_t	new_addr[VLIB_N_DIR],
		u16	new_port[VLIB_N_DIR]
	)

Definition at line 276 of file cnat_node.h.

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cnat_translation_icmp4_error()

static_always_inline void cnat_translation_icmp4_error	(	ip4_header_t *	outer_ip4,
		icmp46_header_t *	icmp,
		ip4_address_t	outer_new_addr[VLIB_N_DIR],
		u16	outer_new_port[VLIB_N_DIR],
		u8	snat_outer_ip
	)

Definition at line 297 of file cnat_node.h.

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cnat_translation_icmp6_echo()

static_always_inline void cnat_translation_icmp6_echo	(	ip6_header_t *	ip6,
		icmp46_header_t *	icmp,
		ip6_address_t	new_addr[VLIB_N_DIR],
		u16	new_port[VLIB_N_DIR]
	)

Definition at line 491 of file cnat_node.h.

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cnat_translation_icmp6_error()

static_always_inline void cnat_translation_icmp6_error	(	ip6_header_t *	outer_ip6,
		icmp46_header_t *	icmp,
		ip6_address_t	outer_new_addr[VLIB_N_DIR],
		u16	outer_new_port[VLIB_N_DIR],
		u8	snat_outer_ip
	)

Definition at line 531 of file cnat_node.h.

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cnat_translation_ip4()

static_always_inline void cnat_translation_ip4	(	const cnat_session_t *	session,
		ip4_header_t *	ip4,
		udp_header_t *	udp
	)

Definition at line 383 of file cnat_node.h.

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cnat_translation_ip6()

static_always_inline void cnat_translation_ip6	(	const cnat_session_t *	session,
		ip6_header_t *	ip6,
		udp_header_t *	udp
	)

Definition at line 640 of file cnat_node.h.

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format_cnat_trace()

static u8* format_cnat_trace ( u8 *  s, va_list *  args  )

static

Definition at line 75 of file cnat_node.h.

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has_ip6_address()

static_always_inline u8 has_ip6_address

(

ip6_address_t *

a

)

Inline translation functions.

Definition at line 173 of file cnat_node.h.

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icmp6_type_is_echo()

static_always_inline u8 icmp6_type_is_echo

(

u8

icmp_type

)

Definition at line 137 of file cnat_node.h.

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icmp6_type_is_error_message()

static_always_inline u8 icmp6_type_is_error_message

(

u8

icmp_type

)

Definition at line 149 of file cnat_node.h.

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icmp_type_is_echo()

static_always_inline u8 icmp_type_is_echo

(

u8

icmp_type

)

Definition at line 125 of file cnat_node.h.

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icmp_type_is_error_message()

static_always_inline u8 icmp_type_is_error_message

(

u8

icmp_type

)

Definition at line 109 of file cnat_node.h.

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