FD.io VPP  v17.01-9-ge7dcee4
Vector Packet Processing
out2in.c File Reference
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Data Structures

struct  snat_out2in_trace_t
 
struct  snat_out2in_worker_handoff_trace_t
 

Macros

#define foreach_snat_out2in_error
 

Enumerations

enum  snat_out2in_error_t { SNAT_OUT2IN_N_ERROR }
 
enum  snat_out2in_next_t { SNAT_OUT2IN_NEXT_DROP, SNAT_OUT2IN_NEXT_LOOKUP, SNAT_OUT2IN_N_NEXT }
 

Functions

static u8format_snat_out2in_trace (u8 *s, va_list *args)
 
static u8format_snat_out2in_fast_trace (u8 *s, va_list *args)
 
static u8format_snat_out2in_worker_handoff_trace (u8 *s, va_list *args)
 
static snat_session_t * create_session_for_static_mapping (snat_main_t *sm, vlib_buffer_t *b0, snat_session_key_t in2out, snat_session_key_t out2in, vlib_node_runtime_t *node, u32 cpu_index)
 Create session for static mapping. More...
 
static u32 icmp_out2in_slow_path (snat_main_t *sm, vlib_buffer_t *b0, ip4_header_t *ip0, icmp46_header_t *icmp0, u32 sw_if_index0, u32 rx_fib_index0, vlib_node_runtime_t *node, u32 next0, f64 now, u32 cpu_index)
 
static uword snat_out2in_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
 VLIB_NODE_FUNCTION_MULTIARCH (snat_out2in_node, snat_out2in_node_fn)
 
static uword snat_out2in_worker_handoff_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
 VLIB_NODE_FUNCTION_MULTIARCH (snat_out2in_worker_handoff_node, snat_out2in_worker_handoff_fn)
 
static u32 icmp_out2in_fast (snat_main_t *sm, vlib_buffer_t *b0, ip4_header_t *ip0, icmp46_header_t *icmp0, u32 sw_if_index0, vlib_node_runtime_t *node, u32 next0, u32 rx_fib_index0)
 
static uword snat_out2in_fast_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
 VLIB_NODE_FUNCTION_MULTIARCH (snat_out2in_fast_node, snat_out2in_fast_node_fn)
 

Variables

vlib_node_registration_t snat_out2in_node
 (constructor) VLIB_REGISTER_NODE (snat_out2in_node) More...
 
vlib_node_registration_t snat_out2in_fast_node
 (constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node) More...
 
vlib_node_registration_t snat_out2in_worker_handoff_node
 (constructor) VLIB_REGISTER_NODE (snat_out2in_worker_handoff_node) More...
 
static char * snat_out2in_error_strings []
 

Macro Definition Documentation

#define foreach_snat_out2in_error
Value:
_(UNSUPPORTED_PROTOCOL, "Unsupported protocol") \
_(OUT2IN_PACKETS, "Good out2in packets processed") \
_(BAD_ICMP_TYPE, "icmp type not echo-reply") \
_(NO_TRANSLATION, "No translation")

Definition at line 82 of file out2in.c.

Enumeration Type Documentation

Enumerator
SNAT_OUT2IN_N_ERROR 

Definition at line 88 of file out2in.c.

Enumerator
SNAT_OUT2IN_NEXT_DROP 
SNAT_OUT2IN_NEXT_LOOKUP 
SNAT_OUT2IN_N_NEXT 

Definition at line 101 of file out2in.c.

Function Documentation

static snat_session_t* create_session_for_static_mapping ( snat_main_t sm,
vlib_buffer_t b0,
snat_session_key_t  in2out,
snat_session_key_t  out2in,
vlib_node_runtime_t node,
u32  cpu_index 
)
inlinestatic

Create session for static mapping.

Create NAT session initiated by host from external network with static mapping.

Parameters
smSNAT main.
b0Vlib buffer.
in2outIn2out SNAT session key.
out2inOut2in SNAT session key.
nodeVlib node.
Returns
SNAT session if successfully created otherwise 0.

Definition at line 122 of file out2in.c.

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static u8* format_snat_out2in_fast_trace ( u8 s,
va_list *  args 
)
static

Definition at line 53 of file out2in.c.

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static u8* format_snat_out2in_trace ( u8 s,
va_list *  args 
)
static

Definition at line 42 of file out2in.c.

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static u8* format_snat_out2in_worker_handoff_trace ( u8 s,
va_list *  args 
)
static

Definition at line 64 of file out2in.c.

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static u32 icmp_out2in_fast ( snat_main_t sm,
vlib_buffer_t b0,
ip4_header_t ip0,
icmp46_header_t *  icmp0,
u32  sw_if_index0,
vlib_node_runtime_t node,
u32  next0,
u32  rx_fib_index0 
)
inlinestatic

Definition at line 1014 of file out2in.c.

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static u32 icmp_out2in_slow_path ( snat_main_t sm,
vlib_buffer_t b0,
ip4_header_t ip0,
icmp46_header_t *  icmp0,
u32  sw_if_index0,
u32  rx_fib_index0,
vlib_node_runtime_t node,
u32  next0,
f64  now,
u32  cpu_index 
)
inlinestatic

Definition at line 216 of file out2in.c.

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static uword snat_out2in_fast_node_fn ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
static

Definition at line 1086 of file out2in.c.

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static uword snat_out2in_node_fn ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
static

Definition at line 318 of file out2in.c.

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static uword snat_out2in_worker_handoff_fn ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
static

Definition at line 815 of file out2in.c.

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VLIB_NODE_FUNCTION_MULTIARCH ( snat_out2in_node  ,
snat_out2in_node_fn   
)

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VLIB_NODE_FUNCTION_MULTIARCH ( snat_out2in_worker_handoff_node  ,
snat_out2in_worker_handoff_fn   
)
VLIB_NODE_FUNCTION_MULTIARCH ( snat_out2in_fast_node  ,
snat_out2in_fast_node_fn   
)

Variable Documentation

char* snat_out2in_error_strings[]
static
Initial value:
= {
#define _(sym,string)
}
#define foreach_snat_out2in_error
Definition: out2in.c:82

Definition at line 95 of file out2in.c.

vlib_node_registration_t snat_out2in_fast_node
Initial value:
= {
.name = "snat-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",
},
}
bad routing header type(not 4)") sr_error (NO_MORE_SEGMENTS
static u8 * format_snat_out2in_fast_trace(u8 *s, va_list *args)
Definition: out2in.c:53
#define ARRAY_LEN(x)
Definition: clib.h:59
unsigned int u32
Definition: types.h:88
static char * snat_out2in_error_strings[]
Definition: out2in.c:95
static uword snat_out2in_fast_node_fn(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: out2in.c:1086

(constructor) VLIB_REGISTER_NODE (snat_out2in_fast_node)

Definition at line 79 of file out2in.c.

vlib_node_registration_t snat_out2in_node
Initial value:
= {
.function = snat_out2in_node_fn,
.name = "snat-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",
},
}
bad routing header type(not 4)") sr_error (NO_MORE_SEGMENTS
#define ARRAY_LEN(x)
Definition: clib.h:59
unsigned int u32
Definition: types.h:88
static char * snat_out2in_error_strings[]
Definition: out2in.c:95
static u8 * format_snat_out2in_trace(u8 *s, va_list *args)
Definition: out2in.c:42
static uword snat_out2in_node_fn(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: out2in.c:318

(constructor) VLIB_REGISTER_NODE (snat_out2in_node)

Definition at line 78 of file out2in.c.

vlib_node_registration_t snat_out2in_worker_handoff_node
Initial value:
= {
.name = "snat-out2in-worker-handoff",
.vector_size = sizeof (u32),
.n_next_nodes = 1,
.next_nodes = {
[0] = "error-drop",
},
}
bad routing header type(not 4)") sr_error (NO_MORE_SEGMENTS
static uword snat_out2in_worker_handoff_fn(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: out2in.c:815
unsigned int u32
Definition: types.h:88
static u8 * format_snat_out2in_worker_handoff_trace(u8 *s, va_list *args)
Definition: out2in.c:64

(constructor) VLIB_REGISTER_NODE (snat_out2in_worker_handoff_node)

Definition at line 80 of file out2in.c.