FD.io VPP  v17.10-9-gd594711
Vector Packet Processing
nat.h File Reference
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Data Structures

struct  snat_session_key_t
 
struct  nat_ed_ses_key_t
 
struct  snat_det_out_key_t
 
struct  snat_user_key_t
 
struct  snat_user_t
 
struct  snat_address_t
 
struct  snat_det_session_t
 
struct  snat_det_map_t
 
struct  nat44_lb_addr_port_t
 
struct  snat_static_mapping_t
 
struct  snat_interface_t
 
struct  snat_static_map_resolve_t
 
struct  snat_main_per_thread_data_t
 
struct  snat_main_s
 
struct  snat_runtime_t
 
struct  icmp_echo_header_t
 
struct  tcp_udp_header_t
 

Macros

#define SNAT_UDP_TIMEOUT   300
 
#define SNAT_UDP_TIMEOUT_MIN   120
 
#define SNAT_TCP_TRANSITORY_TIMEOUT   240
 
#define SNAT_TCP_ESTABLISHED_TIMEOUT   7440
 
#define SNAT_TCP_INCOMING_SYN   6
 
#define SNAT_ICMP_TIMEOUT   60
 
#define SNAT_FLAG_HAIRPINNING   (1 << 0)
 
#define foreach_snat_protocol
 
#define foreach_snat_session_state
 
#define SNAT_SESSION_FLAG_STATIC_MAPPING   1
 
#define SNAT_SESSION_FLAG_UNKNOWN_PROTO   2
 
#define SNAT_SESSION_FLAG_LOAD_BALANCING   4
 
#define snat_is_session_static(s)   s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING
 Check if SNAT session is created from static mapping. More...
 
#define snat_is_unk_proto_session(s)   s->flags & SNAT_SESSION_FLAG_UNKNOWN_PROTO
 Check if SNAT session for unknown protocol. More...
 

Typedefs

typedef u32 snat_icmp_match_function_t(struct snat_main_s *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)
 
typedef u32snat_get_worker_function_t) (ip4_header_t *ip, u32 rx_fib_index)
 
typedef struct snat_main_s snat_main_t
 

Enumerations

enum  snat_protocol_t { foreach_snat_protocol }
 
enum  snat_session_state_t { foreach_snat_session_state }
 

Functions

typedef CLIB_PACKED (struct{snat_session_key_t out2in;snat_session_key_t in2out;u32 flags;u32 per_user_index;u32 per_user_list_head_index;f64 last_heard;u64 total_bytes;u32 total_pkts;u32 outside_address_index;ip4_address_t ext_host_addr;}) snat_session_t
 
void snat_free_outside_address_and_port (snat_main_t *sm, u32 thread_index, snat_session_key_t *k, u32 address_index)
 
int snat_alloc_outside_address_and_port (snat_main_t *sm, u32 fib_index, u32 thread_index, snat_session_key_t *k, u32 *address_indexp)
 
int snat_static_mapping_match (snat_main_t *sm, snat_session_key_t match, snat_session_key_t *mapping, u8 by_external, u8 *is_addr_only)
 Match NAT44 static mapping. More...
 
void snat_add_del_addr_to_fib (ip4_address_t *addr, u8 p_len, u32 sw_if_index, int is_add)
 Add/del NAT address to FIB. More...
 
static u32 ip_proto_to_snat_proto (u8 ip_proto)
 
static u8 snat_proto_to_ip_proto (snat_protocol_t snat_proto)
 
u32 icmp_match_in2out_fast (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)
 Get address and port values to be used for ICMP packet translation. More...
 
u32 icmp_match_in2out_slow (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)
 Get address and port values to be used for ICMP packet translation and create session if needed. More...
 
u32 icmp_match_in2out_det (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)
 Get address and port values to be used for ICMP packet translation and create session if needed. More...
 
u32 icmp_match_out2in_fast (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)
 Get address and port values to be used for ICMP packet translation. More...
 
u32 icmp_match_out2in_slow (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)
 Get address and port values to be used for ICMP packet translation and create session if needed. More...
 
u32 icmp_match_out2in_det (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)
 Get address and port values to be used for ICMP packet translation and create session if needed. More...
 
void increment_v4_address (ip4_address_t *a)
 
void snat_add_address (snat_main_t *sm, ip4_address_t *addr, u32 vrf_id)
 
int snat_del_address (snat_main_t *sm, ip4_address_t addr, u8 delete_sm)
 
int snat_add_static_mapping (ip4_address_t l_addr, ip4_address_t e_addr, u16 l_port, u16 e_port, u32 vrf_id, int addr_only, u32 sw_if_index, snat_protocol_t proto, int is_add)
 Add static mapping. More...
 
clib_error_tsnat_api_init (vlib_main_t *vm, snat_main_t *sm)
 
int snat_set_workers (uword *bitmap)
 
int snat_interface_add_del (u32 sw_if_index, u8 is_inside, int is_del)
 
int snat_interface_add_del_output_feature (u32 sw_if_index, u8 is_inside, int is_del)
 
int snat_add_interface_address (snat_main_t *sm, u32 sw_if_index, int is_del)
 
uword unformat_snat_protocol (unformat_input_t *input, va_list *args)
 
u8format_snat_protocol (u8 *s, va_list *args)
 
int nat44_add_del_lb_static_mapping (ip4_address_t e_addr, u16 e_port, snat_protocol_t proto, u32 vrf_id, nat44_lb_addr_port_t *locals, u8 is_add)
 
static_always_inline u8 icmp_is_error_message (icmp46_header_t *icmp)
 
static_always_inline u8 is_interface_addr (snat_main_t *sm, vlib_node_runtime_t *node, u32 sw_if_index0, u32 ip4_addr)
 
static u8 maximum_sessions_exceeded (snat_main_t *sm, u32 thread_index)
 

Variables

snat_main_t snat_main
 
vlib_node_registration_t snat_in2out_node
 (constructor) VLIB_REGISTER_NODE (snat_in2out_node) More...
 
vlib_node_registration_t snat_in2out_output_node
 (constructor) VLIB_REGISTER_NODE (snat_in2out_output_node) More...
 
vlib_node_registration_t snat_out2in_node
 (constructor) VLIB_REGISTER_NODE (snat_out2in_node) More...
 
vlib_node_registration_t snat_in2out_fast_node
 (constructor) VLIB_REGISTER_NODE (snat_in2out_fast_node) More...
 
vlib_node_registration_t snat_out2in_fast_node
 (constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node) More...
 
vlib_node_registration_t snat_in2out_worker_handoff_node
 (constructor) VLIB_REGISTER_NODE (snat_in2out_worker_handoff_node) More...
 
vlib_node_registration_t snat_in2out_output_worker_handoff_node
 (constructor) VLIB_REGISTER_NODE (snat_in2out_output_worker_handoff_node) More...
 
vlib_node_registration_t snat_out2in_worker_handoff_node
 (constructor) VLIB_REGISTER_NODE (snat_out2in_worker_handoff_node) More...
 
vlib_node_registration_t snat_det_in2out_node
 (constructor) VLIB_REGISTER_NODE (snat_det_in2out_node) More...
 
vlib_node_registration_t snat_det_out2in_node
 (constructor) VLIB_REGISTER_NODE (snat_det_out2in_node) More...
 
vlib_node_registration_t snat_hairpin_dst_node
 (constructor) VLIB_REGISTER_NODE (snat_hairpin_dst_node) More...
 
vlib_node_registration_t snat_hairpin_src_node
 (constructor) VLIB_REGISTER_NODE (snat_hairpin_src_node) More...
 
format_function_t format_snat_user
 

Macro Definition Documentation

#define foreach_snat_protocol
Value:
_(UDP, 0, udp, "udp") \
_(TCP, 1, tcp, "tcp") \
_(ICMP, 2, icmp, "icmp")

Definition at line 99 of file nat.h.

#define foreach_snat_session_state
Value:
_(0, UNKNOWN, "unknown") \
_(1, UDP_ACTIVE, "udp-active") \
_(2, TCP_SYN_SENT, "tcp-syn-sent") \
_(3, TCP_ESTABLISHED, "tcp-established") \
_(4, TCP_FIN_WAIT, "tcp-fin-wait") \
_(5, TCP_CLOSE_WAIT, "tcp-close-wait") \
_(6, TCP_LAST_ACK, "tcp-last-ack") \
_(7, ICMP_ACTIVE, "icmp-active")

Definition at line 111 of file nat.h.

#define SNAT_FLAG_HAIRPINNING   (1 << 0)

Definition at line 40 of file nat.h.

#define SNAT_ICMP_TIMEOUT   60

Definition at line 38 of file nat.h.

#define snat_is_session_static (   s)    s->flags & SNAT_SESSION_FLAG_STATIC_MAPPING

Check if SNAT session is created from static mapping.

Parameters
sSNAT session
Returns
1 if SNAT session is created from static mapping otherwise 0

Definition at line 409 of file nat.h.

#define snat_is_unk_proto_session (   s)    s->flags & SNAT_SESSION_FLAG_UNKNOWN_PROTO

Check if SNAT session for unknown protocol.

Parameters
sSNAT session
Returns
1 if SNAT session for unknown protocol otherwise 0

Definition at line 415 of file nat.h.

#define SNAT_SESSION_FLAG_LOAD_BALANCING   4

Definition at line 130 of file nat.h.

#define SNAT_SESSION_FLAG_STATIC_MAPPING   1

Definition at line 128 of file nat.h.

#define SNAT_SESSION_FLAG_UNKNOWN_PROTO   2

Definition at line 129 of file nat.h.

#define SNAT_TCP_ESTABLISHED_TIMEOUT   7440

Definition at line 36 of file nat.h.

#define SNAT_TCP_INCOMING_SYN   6

Definition at line 37 of file nat.h.

#define SNAT_TCP_TRANSITORY_TIMEOUT   240

Definition at line 35 of file nat.h.

#define SNAT_UDP_TIMEOUT   300

Definition at line 33 of file nat.h.

#define SNAT_UDP_TIMEOUT_MIN   120

Definition at line 34 of file nat.h.

Typedef Documentation

typedef u32( snat_get_worker_function_t) (ip4_header_t *ip, u32 rx_fib_index)

Definition at line 267 of file nat.h.

typedef u32 snat_icmp_match_function_t(struct snat_main_s *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, u8 *p_proto, snat_session_key_t *p_value, u8 *p_dont_translate, void *d, void *e)

Definition at line 256 of file nat.h.

typedef struct snat_main_s snat_main_t

Enumeration Type Documentation

Enumerator
foreach_snat_protocol 

Definition at line 104 of file nat.h.

Enumerator
foreach_snat_session_state 

Definition at line 121 of file nat.h.

Function Documentation

typedef CLIB_PACKED ( struct{snat_session_key_t out2in;snat_session_key_t in2out;u32 flags;u32 per_user_index;u32 per_user_list_head_index;f64 last_heard;u64 total_bytes;u32 total_pkts;u32 outside_address_index;ip4_address_t ext_host_addr;}  )
u8* format_snat_protocol ( u8 s,
va_list *  args 
)

Definition at line 1625 of file nat.c.

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static_always_inline u8 icmp_is_error_message ( icmp46_header_t *  icmp)

Definition at line 506 of file nat.h.

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u32 icmp_match_in2out_det ( snat_main_t sm,
vlib_node_runtime_t node,
u32  thread_index,
vlib_buffer_t b0,
ip4_header_t ip0,
u8 p_proto,
snat_session_key_t p_value,
u8 p_dont_translate,
void *  d,
void *  e 
)

Get address and port values to be used for ICMP packet translation and create session if needed.

Parameters
[in,out]smNAT main
[in,out]nodeNAT node runtime
[in]thread_indexthread index
[in,out]b0buffer containing packet to be translated
[out]p_protoprotocol used for matching
[out]p_valueaddress and port after NAT translation
[out]p_dont_translateif packet should not be translated
doptional parameter
eoptional parameter

Definition at line 2914 of file in2out.c.

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u32 icmp_match_in2out_fast ( snat_main_t sm,
vlib_node_runtime_t node,
u32  thread_index,
vlib_buffer_t b0,
ip4_header_t ip0,
u8 p_proto,
snat_session_key_t p_value,
u8 p_dont_translate,
void *  d,
void *  e 
)

Get address and port values to be used for ICMP packet translation.

Parameters
[in]smNAT main
[in,out]nodeNAT node runtime
[in]thread_indexthread index
[in,out]b0buffer containing packet to be translated
[out]p_protoprotocol used for matching
[out]p_valueaddress and port after NAT translation
[out]p_dont_translateif packet should not be translated
doptional parameter
eoptional parameter

Definition at line 618 of file in2out.c.

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u32 icmp_match_in2out_slow ( snat_main_t sm,
vlib_node_runtime_t node,
u32  thread_index,
vlib_buffer_t b0,
ip4_header_t ip0,
u8 p_proto,
snat_session_key_t p_value,
u8 p_dont_translate,
void *  d,
void *  e 
)

Get address and port values to be used for ICMP packet translation and create session if needed.

Parameters
[in,out]smNAT main
[in,out]nodeNAT node runtime
[in]thread_indexthread index
[in,out]b0buffer containing packet to be translated
[out]p_protoprotocol used for matching
[out]p_valueaddress and port after NAT translation
[out]p_dont_translateif packet should not be translated
doptional parameter
eoptional parameter

Definition at line 525 of file in2out.c.

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u32 icmp_match_out2in_det ( snat_main_t sm,
vlib_node_runtime_t node,
u32  thread_index,
vlib_buffer_t b0,
ip4_header_t ip0,
u8 p_proto,
snat_session_key_t p_value,
u8 p_dont_translate,
void *  d,
void *  e 
)

Get address and port values to be used for ICMP packet translation and create session if needed.

Parameters
[in,out]smNAT main
[in,out]nodeNAT node runtime
[in]thread_indexthread index
[in,out]b0buffer containing packet to be translated
[out]p_protoprotocol used for matching
[out]p_valueaddress and port after NAT translation
[out]p_dont_translateif packet should not be translated
doptional parameter
eoptional parameter

Definition at line 2038 of file out2in.c.

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u32 icmp_match_out2in_fast ( snat_main_t sm,
vlib_node_runtime_t node,
u32  thread_index,
vlib_buffer_t b0,
ip4_header_t ip0,
u8 p_proto,
snat_session_key_t p_value,
u8 p_dont_translate,
void *  d,
void *  e 
)

Get address and port values to be used for ICMP packet translation.

Parameters
[in]smNAT main
[in,out]nodeNAT node runtime
[in]thread_indexthread index
[in,out]b0buffer containing packet to be translated
[out]p_protoprotocol used for matching
[out]p_valueaddress and port after NAT translation
[out]p_dont_translateif packet should not be translated
doptional parameter
eoptional parameter

Definition at line 409 of file out2in.c.

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u32 icmp_match_out2in_slow ( snat_main_t sm,
vlib_node_runtime_t node,
u32  thread_index,
vlib_buffer_t b0,
ip4_header_t ip0,
u8 p_proto,
snat_session_key_t p_value,
u8 p_dont_translate,
void *  d,
void *  e 
)

Get address and port values to be used for ICMP packet translation and create session if needed.

Parameters
[in,out]smNAT main
[in,out]nodeNAT node runtime
[in]thread_indexthread index
[in,out]b0buffer containing packet to be translated
[out]p_protoprotocol used for matching
[out]p_valueaddress and port after NAT translation
[out]p_dont_translateif packet should not be translated
doptional parameter
eoptional parameter

Definition at line 299 of file out2in.c.

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void increment_v4_address ( ip4_address_t a)

Definition at line 214 of file nat.c.

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static u32 ip_proto_to_snat_proto ( u8  ip_proto)
inlinestatic

Definition at line 429 of file nat.h.

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static_always_inline u8 is_interface_addr ( snat_main_t sm,
vlib_node_runtime_t node,
u32  sw_if_index0,
u32  ip4_addr 
)

Definition at line 522 of file nat.h.

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static u8 maximum_sessions_exceeded ( snat_main_t sm,
u32  thread_index 
)
inlinestatic

Definition at line 547 of file nat.h.

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int nat44_add_del_lb_static_mapping ( ip4_address_t  e_addr,
u16  e_port,
snat_protocol_t  proto,
u32  vrf_id,
nat44_lb_addr_port_t locals,
u8  is_add 
)

Definition at line 582 of file nat.c.

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void snat_add_address ( snat_main_t sm,
ip4_address_t addr,
u32  vrf_id 
)

Definition at line 151 of file nat.c.

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void snat_add_del_addr_to_fib ( ip4_address_t addr,
u8  p_len,
u32  sw_if_index,
int  is_add 
)

Add/del NAT address to FIB.

Add the external NAT address to the FIB as receive entries. This ensures that VPP will reply to ARP for this address and we don't need to enable proxy ARP on the outside interface.

Parameters
addrIPv4 address.
plenaddress prefix length
sw_if_indexInterface.
is_addIf 0 delete, otherwise add.

Definition at line 119 of file nat.c.

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int snat_add_interface_address ( snat_main_t sm,
u32  sw_if_index,
int  is_del 
)

Definition at line 2719 of file nat.c.

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int snat_add_static_mapping ( ip4_address_t  l_addr,
ip4_address_t  e_addr,
u16  l_port,
u16  e_port,
u32  vrf_id,
int  addr_only,
u32  sw_if_index,
snat_protocol_t  proto,
int  is_add 
)

Add static mapping.

Create static mapping between local addr+port and external addr+port.

Parameters
l_addrLocal IPv4 address.
e_addrExternal IPv4 address.
l_portLocal port number.
e_portExternal port number.
vrf_idVRF ID.
addr_onlyIf 0 address port and pair mapping, otherwise address only.
sw_if_indexExternal port instead of specific IP address.
is_addIf 0 delete static mapping, otherwise add.
Returns

Definition at line 262 of file nat.c.

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int snat_alloc_outside_address_and_port ( snat_main_t sm,
u32  fib_index,
u32  thread_index,
snat_session_key_t k,
u32 address_indexp 
)

Definition at line 1339 of file nat.c.

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clib_error_t* snat_api_init ( vlib_main_t vm,
snat_main_t sm 
)

Definition at line 3367 of file nat_api.c.

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int snat_del_address ( snat_main_t sm,
ip4_address_t  addr,
u8  delete_sm 
)

Definition at line 804 of file nat.c.

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void snat_free_outside_address_and_port ( snat_main_t sm,
u32  thread_index,
snat_session_key_t k,
u32  address_index 
)

Definition at line 1214 of file nat.c.

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int snat_interface_add_del ( u32  sw_if_index,
u8  is_inside,
int  is_del 
)

Definition at line 943 of file nat.c.

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int snat_interface_add_del_output_feature ( u32  sw_if_index,
u8  is_inside,
int  is_del 
)

Definition at line 1017 of file nat.c.

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static u8 snat_proto_to_ip_proto ( snat_protocol_t  snat_proto)
inlinestatic

Definition at line 442 of file nat.h.

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int snat_set_workers ( uword bitmap)

Definition at line 1102 of file nat.c.

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int snat_static_mapping_match ( snat_main_t sm,
snat_session_key_t  match,
snat_session_key_t mapping,
u8  by_external,
u8 is_addr_only 
)

Match NAT44 static mapping.

Parameters
smNAT main.
matchAddress and port to match.
mappingExternal or local address and port of the matched mapping.
by_externalIf 0 match by local address otherwise match by external address.
is_addr_onlyIf matched mapping is address only
Returns
0 if match found otherwise 1.

Definition at line 1257 of file nat.c.

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uword unformat_snat_protocol ( unformat_input_t input,
va_list *  args 
)

Definition at line 1611 of file nat.c.

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Variable Documentation

format_function_t format_snat_user

Definition at line 398 of file nat.h.

vlib_node_registration_t snat_det_in2out_node

(constructor) VLIB_REGISTER_NODE (snat_det_in2out_node)

Definition at line 90 of file in2out.c.

vlib_node_registration_t snat_det_out2in_node
Initial value:
= {
.name = "nat44-det-out2in",
.vector_size = sizeof (u32),
.format_trace = format_snat_out2in_trace,
.error_strings = snat_out2in_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
.n_next_nodes = SNAT_OUT2IN_N_NEXT,
.next_nodes = {
[SNAT_OUT2IN_NEXT_DROP] = "error-drop",
[SNAT_OUT2IN_NEXT_LOOKUP] = "ip4-lookup",
[SNAT_OUT2IN_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
}
#define ARRAY_LEN(x)
Definition: clib.h:59
unsigned int u32
Definition: types.h:88
static uword snat_det_out2in_node_fn(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: out2in.c:1541
static char * snat_out2in_error_strings[]
Definition: out2in.c:100
static u8 * format_snat_out2in_trace(u8 *s, va_list *args)
Definition: out2in.c:45

(constructor) VLIB_REGISTER_NODE (snat_det_out2in_node)

Definition at line 2001 of file out2in.c.

vlib_node_registration_t snat_hairpin_dst_node

(constructor) VLIB_REGISTER_NODE (snat_hairpin_dst_node)

Definition at line 94 of file in2out.c.

vlib_node_registration_t snat_hairpin_src_node

(constructor) VLIB_REGISTER_NODE (snat_hairpin_src_node)

Definition at line 95 of file in2out.c.

vlib_node_registration_t snat_in2out_fast_node

(constructor) VLIB_REGISTER_NODE (snat_in2out_fast_node)

Definition at line 88 of file in2out.c.

vlib_node_registration_t snat_in2out_node

(constructor) VLIB_REGISTER_NODE (snat_in2out_node)

Definition at line 86 of file in2out.c.

vlib_node_registration_t snat_in2out_output_node

(constructor) VLIB_REGISTER_NODE (snat_in2out_output_node)

Definition at line 91 of file in2out.c.

vlib_node_registration_t snat_in2out_output_worker_handoff_node

(constructor) VLIB_REGISTER_NODE (snat_in2out_output_worker_handoff_node)

Definition at line 93 of file in2out.c.

vlib_node_registration_t snat_in2out_worker_handoff_node

(constructor) VLIB_REGISTER_NODE (snat_in2out_worker_handoff_node)

Definition at line 89 of file in2out.c.

snat_main_t snat_main

Definition at line 31 of file nat.c.

vlib_node_registration_t snat_out2in_fast_node
Initial value:
= {
.name = "nat44-out2in-fast",
.vector_size = sizeof (u32),
.error_strings = snat_out2in_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
.n_next_nodes = SNAT_OUT2IN_N_NEXT,
.next_nodes = {
[SNAT_OUT2IN_NEXT_LOOKUP] = "ip4-lookup",
[SNAT_OUT2IN_NEXT_DROP] = "error-drop",
[SNAT_OUT2IN_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
}
static u8 * format_snat_out2in_fast_trace(u8 *s, va_list *args)
Definition: out2in.c:56
#define ARRAY_LEN(x)
Definition: clib.h:59
unsigned int u32
Definition: types.h:88
static char * snat_out2in_error_strings[]
Definition: out2in.c:100
static uword snat_out2in_fast_node_fn(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: out2in.c:2327

(constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node)

Definition at line 2493 of file out2in.c.

vlib_node_registration_t snat_out2in_node
Initial value:
= {
.function = snat_out2in_node_fn,
.name = "nat44-out2in",
.vector_size = sizeof (u32),
.format_trace = format_snat_out2in_trace,
.error_strings = snat_out2in_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
.n_next_nodes = SNAT_OUT2IN_N_NEXT,
.next_nodes = {
[SNAT_OUT2IN_NEXT_DROP] = "error-drop",
[SNAT_OUT2IN_NEXT_LOOKUP] = "ip4-lookup",
[SNAT_OUT2IN_NEXT_ICMP_ERROR] = "ip4-icmp-error",
},
}
#define ARRAY_LEN(x)
Definition: clib.h:59
unsigned int u32
Definition: types.h:88
static char * snat_out2in_error_strings[]
Definition: out2in.c:100
static u8 * format_snat_out2in_trace(u8 *s, va_list *args)
Definition: out2in.c:45
static uword snat_out2in_node_fn(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: out2in.c:926

(constructor) VLIB_REGISTER_NODE (snat_out2in_node)

Definition at line 1514 of file out2in.c.

vlib_node_registration_t snat_out2in_worker_handoff_node
Initial value:
= {
.name = "nat44-out2in-worker-handoff",
.vector_size = sizeof (u32),
.n_next_nodes = 1,
.next_nodes = {
[0] = "error-drop",
},
}
static uword snat_out2in_worker_handoff_fn(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: out2in.c:2167
unsigned int u32
Definition: types.h:88
static u8 * format_snat_out2in_worker_handoff_trace(u8 *s, va_list *args)
Definition: out2in.c:67

(constructor) VLIB_REGISTER_NODE (snat_out2in_worker_handoff_node)

Definition at line 2310 of file out2in.c.