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Vector Packet Processing
in2out_ed.c File Reference

NAT44 endpoint-dependent inside to outside network translation. More...

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Data Structures

struct  nat_in2out_ed_trace_t
 

Macros

#define ED_PORT_ALLOC_ATTEMPTS   (10)
 

Functions

static u8format_nat_in2out_ed_trace (u8 *s, va_list *args)
 
int nat44_i2o_ed_is_idle_session_cb (clib_bihash_kv_16_8_t *kv, void *arg)
 
static u32 icmp_in2out_ed_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 thread_index, snat_session_t **p_s0)
 
static int nat_ed_alloc_addr_and_port (snat_main_t *sm, u32 rx_fib_index, u32 nat_proto, u32 thread_index, ip4_address_t r_addr, u16 r_port, u8 proto, u16 port_per_thread, u32 snat_thread_index, snat_session_t *s, ip4_address_t *outside_addr, u16 *outside_port, clib_bihash_kv_16_8_t *out2in_ed_kv)
 
static_always_inline u32 nat_outside_fib_index_lookup (snat_main_t *sm, ip4_address_t addr)
 
static u32 slow_path_ed (snat_main_t *sm, vlib_buffer_t *b, ip4_address_t l_addr, ip4_address_t r_addr, u16 l_port, u16 r_port, u8 proto, u32 rx_fib_index, snat_session_t **sessionp, vlib_node_runtime_t *node, u32 next, u32 thread_index, f64 now)
 
static_always_inline int nat44_ed_not_translate (snat_main_t *sm, vlib_node_runtime_t *node, u32 sw_if_index, ip4_header_t *ip, u32 proto, u32 rx_fib_index, u32 thread_index)
 
static_always_inline int nat_not_translate_output_feature_fwd (snat_main_t *sm, ip4_header_t *ip, u32 thread_index, f64 now, vlib_main_t *vm, vlib_buffer_t *b)
 
static_always_inline int nat44_ed_not_translate_output_feature (snat_main_t *sm, ip4_header_t *ip, u16 src_port, u16 dst_port, u32 thread_index, u32 rx_sw_if_index, u32 tx_sw_if_index)
 
u32 icmp_match_in2out_ed (snat_main_t *sm, vlib_node_runtime_t *node, u32 thread_index, vlib_buffer_t *b, ip4_header_t *ip, ip4_address_t *addr, u16 *port, u32 *fib_index, nat_protocol_t *proto, void *d, void *e, u8 *dont_translate)
 
static snat_session_t * nat44_ed_in2out_unknown_proto (snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, u32 rx_fib_index, u32 thread_index, f64 now, vlib_main_t *vm, vlib_node_runtime_t *node)
 
static uword nat44_ed_in2out_fast_path_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_output_feature)
 
static uword nat44_ed_in2out_slow_path_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_output_feature)
 
VLIB_NODE_FN() nat44_ed_in2out_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
VLIB_NODE_FN() nat44_ed_in2out_output_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
VLIB_NODE_FN() nat44_ed_in2out_slowpath_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
VLIB_NODE_FN() nat44_ed_in2out_output_slowpath_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
static u8format_nat_pre_trace (u8 *s, va_list *args)
 

Variables

static char * nat_in2out_ed_error_strings []
 
vlib_node_registration_t nat44_ed_in2out_node
 (constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_node) More...
 
vlib_node_registration_t nat44_ed_in2out_output_node
 (constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_node) More...
 
vlib_node_registration_t nat44_ed_in2out_slowpath_node
 (constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_slowpath_node) More...
 
vlib_node_registration_t nat44_ed_in2out_output_slowpath_node
 (constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_slowpath_node) More...
 
vlib_main_tvm
 
vlib_main_t vlib_node_runtime_tnode
 
vlib_main_t vlib_node_runtime_t vlib_frame_tframe
 
vlib_node_registration_t nat_pre_in2out_node
 (constructor) VLIB_REGISTER_NODE (nat_pre_in2out_node) More...
 
vlib_node_registration_t nat_pre_in2out_output_node
 (constructor) VLIB_REGISTER_NODE (nat_pre_in2out_output_node) More...
 

Detailed Description

NAT44 endpoint-dependent inside to outside network translation.

Definition in file in2out_ed.c.

Macro Definition Documentation

◆ ED_PORT_ALLOC_ATTEMPTS

#define ED_PORT_ALLOC_ATTEMPTS   (10)

Definition at line 40 of file in2out_ed.c.

Function Documentation

◆ format_nat_in2out_ed_trace()

static u8* format_nat_in2out_ed_trace ( u8 s,
va_list *  args 
)
static

Definition at line 57 of file in2out_ed.c.

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◆ format_nat_pre_trace()

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

Definition at line 1572 of file in2out_ed.c.

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◆ icmp_in2out_ed_slow_path()

static u32 icmp_in2out_ed_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  thread_index,
snat_session_t **  p_s0 
)
inlinestatic

Definition at line 176 of file in2out_ed.c.

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◆ icmp_match_in2out_ed()

u32 icmp_match_in2out_ed ( snat_main_t sm,
vlib_node_runtime_t node,
u32  thread_index,
vlib_buffer_t b,
ip4_header_t ip,
ip4_address_t addr,
u16 port,
u32 fib_index,
nat_protocol_t proto,
void *  d,
void *  e,
u8 dont_translate 
)

Definition at line 648 of file in2out_ed.c.

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◆ nat44_ed_in2out_fast_path_node_fn_inline()

static uword nat44_ed_in2out_fast_path_node_fn_inline ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame,
int  is_output_feature 
)
inlinestatic

Definition at line 917 of file in2out_ed.c.

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◆ nat44_ed_in2out_node()

VLIB_NODE_FN() nat44_ed_in2out_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1490 of file in2out_ed.c.

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◆ nat44_ed_in2out_output_node()

VLIB_NODE_FN() nat44_ed_in2out_output_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1510 of file in2out_ed.c.

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◆ nat44_ed_in2out_output_slowpath_node()

VLIB_NODE_FN() nat44_ed_in2out_output_slowpath_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1550 of file in2out_ed.c.

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◆ nat44_ed_in2out_slow_path_node_fn_inline()

static uword nat44_ed_in2out_slow_path_node_fn_inline ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame,
int  is_output_feature 
)
inlinestatic

Definition at line 1204 of file in2out_ed.c.

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◆ nat44_ed_in2out_slowpath_node()

VLIB_NODE_FN() nat44_ed_in2out_slowpath_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1530 of file in2out_ed.c.

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◆ nat44_ed_in2out_unknown_proto()

static snat_session_t* nat44_ed_in2out_unknown_proto ( snat_main_t sm,
vlib_buffer_t b,
ip4_header_t ip,
u32  rx_fib_index,
u32  thread_index,
f64  now,
vlib_main_t vm,
vlib_node_runtime_t node 
)
static

Definition at line 762 of file in2out_ed.c.

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◆ nat44_ed_not_translate()

static_always_inline int nat44_ed_not_translate ( snat_main_t sm,
vlib_node_runtime_t node,
u32  sw_if_index,
ip4_header_t ip,
u32  proto,
u32  rx_fib_index,
u32  thread_index 
)

Definition at line 497 of file in2out_ed.c.

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◆ nat44_ed_not_translate_output_feature()

static_always_inline int nat44_ed_not_translate_output_feature ( snat_main_t sm,
ip4_header_t ip,
u16  src_port,
u16  dst_port,
u32  thread_index,
u32  rx_sw_if_index,
u32  tx_sw_if_index 
)

Definition at line 589 of file in2out_ed.c.

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◆ nat44_i2o_ed_is_idle_session_cb()

int nat44_i2o_ed_is_idle_session_cb ( clib_bihash_kv_16_8_t kv,
void *  arg 
)

Definition at line 76 of file in2out_ed.c.

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◆ nat_ed_alloc_addr_and_port()

static int nat_ed_alloc_addr_and_port ( snat_main_t sm,
u32  rx_fib_index,
u32  nat_proto,
u32  thread_index,
ip4_address_t  r_addr,
u16  r_port,
u8  proto,
u16  port_per_thread,
u32  snat_thread_index,
snat_session_t *  s,
ip4_address_t outside_addr,
u16 outside_port,
clib_bihash_kv_16_8_t out2in_ed_kv 
)
static

Definition at line 200 of file in2out_ed.c.

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◆ nat_not_translate_output_feature_fwd()

static_always_inline int nat_not_translate_output_feature_fwd ( snat_main_t sm,
ip4_header_t ip,
u32  thread_index,
f64  now,
vlib_main_t vm,
vlib_buffer_t b 
)

Definition at line 531 of file in2out_ed.c.

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◆ nat_outside_fib_index_lookup()

static_always_inline u32 nat_outside_fib_index_lookup ( snat_main_t sm,
ip4_address_t  addr 
)

Definition at line 293 of file in2out_ed.c.

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◆ slow_path_ed()

static u32 slow_path_ed ( snat_main_t sm,
vlib_buffer_t b,
ip4_address_t  l_addr,
ip4_address_t  r_addr,
u16  l_port,
u16  r_port,
u8  proto,
u32  rx_fib_index,
snat_session_t **  sessionp,
vlib_node_runtime_t node,
u32  next,
u32  thread_index,
f64  now 
)
static

Definition at line 321 of file in2out_ed.c.

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Variable Documentation

◆ frame

Initial value:
{
vlib_main_t * vm
Definition: in2out_ed.c:1582
static uword nat_pre_node_fn_inline(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u32 def_next)
Definition: nat_inlines.h:104
vlib_main_t vlib_node_runtime_t * node
Definition: in2out_ed.c:1582
vlib_main_t vlib_node_runtime_t vlib_frame_t * frame
Definition: in2out_ed.c:1583

Definition at line 1583 of file in2out_ed.c.

◆ nat44_ed_in2out_node

vlib_node_registration_t nat44_ed_in2out_node
Initial value:
= {
.name = "nat44-ed-in2out",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.format_trace = format_nat_in2out_ed_trace,
.error_strings = nat_in2out_ed_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
}
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat_in2out_ed_trace(u8 *s, va_list *args)
Definition: in2out_ed.c:57
#define ARRAY_LEN(x)
Definition: clib.h:67
static char * nat_in2out_ed_error_strings[]
Definition: in2out_ed.c:42

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_node)

Definition at line 1498 of file in2out_ed.c.

◆ nat44_ed_in2out_output_node

vlib_node_registration_t nat44_ed_in2out_output_node
Initial value:
= {
.name = "nat44-ed-in2out-output",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.format_trace = format_nat_in2out_ed_trace,
.error_strings = nat_in2out_ed_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
}
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat_in2out_ed_trace(u8 *s, va_list *args)
Definition: in2out_ed.c:57
#define ARRAY_LEN(x)
Definition: clib.h:67
static char * nat_in2out_ed_error_strings[]
Definition: in2out_ed.c:42

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_node)

Definition at line 1518 of file in2out_ed.c.

◆ nat44_ed_in2out_output_slowpath_node

vlib_node_registration_t nat44_ed_in2out_output_slowpath_node
Initial value:
= {
.name = "nat44-ed-in2out-output-slowpath",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.format_trace = format_nat_in2out_ed_trace,
.error_strings = nat_in2out_ed_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
}
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat_in2out_ed_trace(u8 *s, va_list *args)
Definition: in2out_ed.c:57
#define ARRAY_LEN(x)
Definition: clib.h:67
static char * nat_in2out_ed_error_strings[]
Definition: in2out_ed.c:42

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_output_slowpath_node)

Definition at line 1559 of file in2out_ed.c.

◆ nat44_ed_in2out_slowpath_node

vlib_node_registration_t nat44_ed_in2out_slowpath_node
Initial value:
= {
.name = "nat44-ed-in2out-slowpath",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.format_trace = format_nat_in2out_ed_trace,
.error_strings = nat_in2out_ed_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
}
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat_in2out_ed_trace(u8 *s, va_list *args)
Definition: in2out_ed.c:57
#define ARRAY_LEN(x)
Definition: clib.h:67
static char * nat_in2out_ed_error_strings[]
Definition: in2out_ed.c:42

(constructor) VLIB_REGISTER_NODE (nat44_ed_in2out_slowpath_node)

Definition at line 1538 of file in2out_ed.c.

◆ nat_in2out_ed_error_strings

char* nat_in2out_ed_error_strings[]
static
Initial value:
= {
#define _(sym,string)
}
#define foreach_nat_in2out_ed_error
Definition: nat.h:137

Definition at line 42 of file in2out_ed.c.

◆ nat_pre_in2out_node

vlib_node_registration_t nat_pre_in2out_node
Initial value:
= {
.name = "nat-pre-in2out",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.format_trace = format_nat_pre_trace,
.n_errors = 0,
}
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat_pre_trace(u8 *s, va_list *args)
Definition: in2out_ed.c:1572

(constructor) VLIB_REGISTER_NODE (nat_pre_in2out_node)

Definition at line 1596 of file in2out_ed.c.

◆ nat_pre_in2out_output_node

vlib_node_registration_t nat_pre_in2out_output_node
Initial value:
= {
.name = "nat-pre-in2out-output",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.format_trace = format_nat_pre_trace,
.n_errors = 0,
}
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat_pre_trace(u8 *s, va_list *args)
Definition: in2out_ed.c:1572

(constructor) VLIB_REGISTER_NODE (nat_pre_in2out_output_node)

Definition at line 1605 of file in2out_ed.c.

◆ node

Definition at line 1582 of file in2out_ed.c.

◆ vm

Definition at line 1582 of file in2out_ed.c.