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Vector Packet Processing
out2in_ed.c File Reference

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

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Data Structures

struct  nat44_ed_out2in_trace_t
 
struct  nat44_ed_out2in_handoff_trace_t
 

Functions

static u8format_nat44_ed_out2in_trace (u8 *s, va_list *args)
 
static u32 icmp_out2in_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)
 
int nat44_o2i_ed_is_idle_session_cb (clib_bihash_kv_16_8_t *kv, void *arg)
 
static_always_inline int nat_alloc_addr_and_port_exact (snat_address_t *a, u32 thread_index, nat_protocol_t proto, ip4_address_t *addr, u16 *port, u16 port_per_thread, u32 snat_thread_index)
 
static snat_session_t * create_session_for_static_mapping_ed (snat_main_t *sm, vlib_buffer_t *b, ip4_address_t i2o_addr, u16 i2o_port, u32 i2o_fib_index, ip4_address_t o2i_addr, u16 o2i_port, u32 o2i_fib_index, nat_protocol_t nat_proto, vlib_node_runtime_t *node, u32 rx_fib_index, u32 thread_index, twice_nat_type_t twice_nat, lb_nat_type_t lb_nat, f64 now, snat_static_mapping_t *mapping)
 
static int next_src_nat (snat_main_t *sm, ip4_header_t *ip, u16 src_port, u16 dst_port, u32 thread_index, u32 rx_fib_index)
 
static void create_bypass_for_fwd (snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, u32 rx_fib_index, u32 thread_index)
 
static_always_inline int create_bypass_for_fwd_worker (snat_main_t *sm, vlib_buffer_t *b, ip4_header_t *ip, u32 rx_fib_index, u32 thread_index)
 
u32 icmp_match_out2in_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_out2in_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_out2in_fast_path_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int is_multi_worker)
 
static uword nat44_ed_out2in_slow_path_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
static uword nat_handoff_node_fn_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u32 fq_index)
 
VLIB_NODE_FN() nat44_ed_out2in_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
VLIB_NODE_FN() nat44_ed_out2in_slowpath_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
static u8format_nat44_ed_out2in_handoff_trace (u8 *s, va_list *args)
 
VLIB_NODE_FN() nat44_ed_out2in_handoff_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 
static u8format_nat_pre_trace (u8 *s, va_list *args)
 
VLIB_NODE_FN() nat_pre_out2in_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
 

Variables

static char * nat_out2in_ed_error_strings []
 
vlib_node_registration_t nat44_ed_out2in_node
 (constructor) VLIB_REGISTER_NODE (nat44_ed_out2in_node) More...
 
vlib_node_registration_t nat44_ed_out2in_slowpath_node
 (constructor) VLIB_REGISTER_NODE (nat44_ed_out2in_slowpath_node) More...
 
vlib_node_registration_t nat44_ed_out2in_handoff_node
 (constructor) VLIB_REGISTER_NODE (nat44_ed_out2in_handoff_node) More...
 
vlib_node_registration_t nat_pre_out2in_node
 (constructor) VLIB_REGISTER_NODE (nat_pre_out2in_node) More...
 

Detailed Description

NAT44 endpoint-dependent outside to inside network translation.

Definition in file out2in_ed.c.

Function Documentation

◆ create_bypass_for_fwd()

static void create_bypass_for_fwd ( snat_main_t sm,
vlib_buffer_t b,
ip4_header_t ip,
u32  rx_fib_index,
u32  thread_index 
)
static

Definition at line 419 of file out2in_ed.c.

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◆ create_bypass_for_fwd_worker()

static_always_inline int create_bypass_for_fwd_worker ( snat_main_t sm,
vlib_buffer_t b,
ip4_header_t ip,
u32  rx_fib_index,
u32  thread_index 
)

Definition at line 522 of file out2in_ed.c.

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◆ create_session_for_static_mapping_ed()

static snat_session_t* create_session_for_static_mapping_ed ( snat_main_t sm,
vlib_buffer_t b,
ip4_address_t  i2o_addr,
u16  i2o_port,
u32  i2o_fib_index,
ip4_address_t  o2i_addr,
u16  o2i_port,
u32  o2i_fib_index,
nat_protocol_t  nat_proto,
vlib_node_runtime_t node,
u32  rx_fib_index,
u32  thread_index,
twice_nat_type_t  twice_nat,
lb_nat_type_t  lb_nat,
f64  now,
snat_static_mapping_t mapping 
)
static

Definition at line 244 of file out2in_ed.c.

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◆ format_nat44_ed_out2in_handoff_trace()

static u8* format_nat44_ed_out2in_handoff_trace ( u8 s,
va_list *  args 
)
static

Definition at line 1544 of file out2in_ed.c.

◆ format_nat44_ed_out2in_trace()

static u8* format_nat44_ed_out2in_trace ( u8 s,
va_list *  args 
)
static

Definition at line 55 of file out2in_ed.c.

◆ format_nat_pre_trace()

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

Definition at line 1573 of file out2in_ed.c.

◆ icmp_match_out2in_ed()

u32 icmp_match_out2in_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 543 of file out2in_ed.c.

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◆ icmp_out2in_ed_slow_path()

static u32 icmp_out2in_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 73 of file out2in_ed.c.

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◆ nat44_ed_out2in_fast_path_node_fn_inline()

static uword nat44_ed_out2in_fast_path_node_fn_inline ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame,
int  is_multi_worker 
)
inlinestatic

Definition at line 787 of file out2in_ed.c.

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◆ nat44_ed_out2in_handoff_node()

VLIB_NODE_FN() nat44_ed_out2in_handoff_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1553 of file out2in_ed.c.

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◆ nat44_ed_out2in_node()

VLIB_NODE_FN() nat44_ed_out2in_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1496 of file out2in_ed.c.

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◆ nat44_ed_out2in_slow_path_node_fn_inline()

static uword nat44_ed_out2in_slow_path_node_fn_inline ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)
inlinestatic

Definition at line 1083 of file out2in_ed.c.

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◆ nat44_ed_out2in_slowpath_node()

VLIB_NODE_FN() nat44_ed_out2in_slowpath_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1523 of file out2in_ed.c.

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◆ nat44_ed_out2in_unknown_proto()

static snat_session_t* nat44_ed_out2in_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 686 of file out2in_ed.c.

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◆ nat44_o2i_ed_is_idle_session_cb()

int nat44_o2i_ed_is_idle_session_cb ( clib_bihash_kv_16_8_t kv,
void *  arg 
)

Definition at line 98 of file out2in_ed.c.

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◆ nat_alloc_addr_and_port_exact()

static_always_inline int nat_alloc_addr_and_port_exact ( snat_address_t a,
u32  thread_index,
nat_protocol_t  proto,
ip4_address_t addr,
u16 port,
u16  port_per_thread,
u32  snat_thread_index 
)

Definition at line 199 of file out2in_ed.c.

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◆ nat_handoff_node_fn_inline()

static uword nat_handoff_node_fn_inline ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame,
u32  fq_index 
)
inlinestatic

Definition at line 1415 of file out2in_ed.c.

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◆ nat_pre_out2in_node()

VLIB_NODE_FN() nat_pre_out2in_node ( vlib_main_t vm,
vlib_node_runtime_t node,
vlib_frame_t frame 
)

Definition at line 1582 of file out2in_ed.c.

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◆ next_src_nat()

static int next_src_nat ( snat_main_t sm,
ip4_header_t ip,
u16  src_port,
u16  dst_port,
u32  thread_index,
u32  rx_fib_index 
)
static

Definition at line 404 of file out2in_ed.c.

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Variable Documentation

◆ nat44_ed_out2in_handoff_node

vlib_node_registration_t nat44_ed_out2in_handoff_node
Initial value:
= {
.name = "nat44-ed-out2in-handoff",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.n_errors = 0,
}
static u8 * format_nat44_ed_out2in_handoff_trace(u8 *s, va_list *args)
Definition: out2in_ed.c:1544
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123

(constructor) VLIB_REGISTER_NODE (nat44_ed_out2in_handoff_node)

Definition at line 1562 of file out2in_ed.c.

◆ nat44_ed_out2in_node

vlib_node_registration_t nat44_ed_out2in_node
Initial value:
= {
.name = "nat44-ed-out2in",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.error_strings = nat_out2in_ed_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
}
static char * nat_out2in_ed_error_strings[]
Definition: out2in_ed.c:35
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat44_ed_out2in_trace(u8 *s, va_list *args)
Definition: out2in_ed.c:55
#define ARRAY_LEN(x)
Definition: clib.h:67

(constructor) VLIB_REGISTER_NODE (nat44_ed_out2in_node)

Definition at line 1511 of file out2in_ed.c.

◆ nat44_ed_out2in_slowpath_node

vlib_node_registration_t nat44_ed_out2in_slowpath_node
Initial value:
= {
.name = "nat44-ed-out2in-slowpath",
.vector_size = sizeof (u32),
.sibling_of = "nat-default",
.error_strings = nat_out2in_ed_error_strings,
.runtime_data_bytes = sizeof (snat_runtime_t),
}
static char * nat_out2in_ed_error_strings[]
Definition: out2in_ed.c:35
unsigned int u32
Definition: types.h:88
vl_api_fib_path_type_t type
Definition: fib_types.api:123
static u8 * format_nat44_ed_out2in_trace(u8 *s, va_list *args)
Definition: out2in_ed.c:55
#define ARRAY_LEN(x)
Definition: clib.h:67

(constructor) VLIB_REGISTER_NODE (nat44_ed_out2in_slowpath_node)

Definition at line 1531 of file out2in_ed.c.

◆ nat_out2in_ed_error_strings

char* nat_out2in_ed_error_strings[]
static
Initial value:
= {
#define _(sym,string)
}
#define foreach_nat_out2in_ed_error
Definition: nat.h:179

Definition at line 35 of file out2in_ed.c.

◆ nat_pre_out2in_node

vlib_node_registration_t nat_pre_out2in_node
Initial value:
= {
.name = "nat-pre-out2in",
.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: out2in_ed.c:1573

(constructor) VLIB_REGISTER_NODE (nat_pre_out2in_node)

Definition at line 1591 of file out2in_ed.c.