node.c File Reference

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Data Structures
struct	lb_trace_t
struct	lb_nodeport_trace_t
struct	lb_nat_trace_t

Macros
#define	foreach_lb_error

Enumerations
enum	lb_error_t { LB_N_ERROR }

Functions
u8 *	format_lb_trace (u8 *s, va_list *args)
u8 *	format_lb_nat_trace (u8 *s, va_list *args)
lb_hash_t *	lb_get_sticky_table (u32 thread_index)
u64	lb_node_get_other_ports4 (ip4_header_t *ip40)
u64	lb_node_get_other_ports6 (ip6_header_t *ip60)
static_always_inline u32	lb_node_get_hash (vlib_buffer_t *p, u8 is_input_v4)
static_always_inline uword	lb_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u8 is_input_v4, lb_encap_type_t encap_type)
u8 *	format_nodeport_lb_trace (u8 *s, va_list *args)
static uword	lb_nodeport_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u8 is_input_v4)
int	lb_nat44_mapping_match (lb_main_t *lbm, lb_snat4_key_t *match, u32 *index)
	Match NAT44 static mapping. More...
int	lb_nat66_mapping_match (lb_main_t *lbm, lb_snat6_key_t *match, u32 *index)
	Match NAT66 static mapping. More...
static uword	lb_nat_in2out_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u32 is_nat4)
static uword	lb6_gre6_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb6_gre4_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_gre6_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_gre4_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_l3dsr_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb6_nat6_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_nat4_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb_nat4_in2out_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb_nat6_in2out_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_nodeport_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb6_nodeport_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	VNET_FEATURE_INIT (lb_nat4_in2out_node_fn, static)
	VNET_FEATURE_INIT (lb_nat6_in2out_node_fn, static)

Variables
static char *	lb_error_strings []
vlib_node_registration_t	lb6_gre6_node
	(constructor) VLIB_REGISTER_NODE (lb6_gre6_node) More...
vlib_node_registration_t	lb6_gre4_node
	(constructor) VLIB_REGISTER_NODE (lb6_gre4_node) More...
vlib_node_registration_t	lb4_gre6_node
	(constructor) VLIB_REGISTER_NODE (lb4_gre6_node) More...
vlib_node_registration_t	lb4_gre4_node
	(constructor) VLIB_REGISTER_NODE (lb4_gre4_node) More...
vlib_node_registration_t	lb4_l3dsr_node
	(constructor) VLIB_REGISTER_NODE (lb4_l3dsr_node) More...
vlib_node_registration_t	lb6_nat6_node
	(constructor) VLIB_REGISTER_NODE (lb6_nat6_node) More...
vlib_node_registration_t	lb4_nat4_node
	(constructor) VLIB_REGISTER_NODE (lb4_nat4_node) More...
vlib_node_registration_t	lb4_nodeport_node
	(constructor) VLIB_REGISTER_NODE (lb4_nodeport_node) More...
vlib_node_registration_t	lb6_nodeport_node
	(constructor) VLIB_REGISTER_NODE (lb6_nodeport_node) More...
vlib_node_registration_t	lb_nat4_in2out_node
	(constructor) VLIB_REGISTER_NODE (lb_nat4_in2out_node) More...
vlib_node_registration_t	lb_nat6_in2out_node
	(constructor) VLIB_REGISTER_NODE (lb_nat6_in2out_node) More...

Macro Definition Documentation

#define foreach_lb_error

Value:

_(NONE, "no error") \
 _(PROTO_NOT_SUPPORTED, "protocol not supported")

Definition at line 22 of file node.c.

Enumeration Type Documentation

enum lb_error_t

Enumerator
LB_N_ERROR

Definition at line 26 of file node.c.

Function Documentation

u8* format_lb_nat_trace	(	u8 *	s,
		va_list *	args
	)

Definition at line 93 of file node.c.

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u8* format_lb_trace	(	u8 *	s,
		va_list *	args
	)

Definition at line 63 of file node.c.

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u8* format_nodeport_lb_trace	(	u8 *	s,
		va_list *	args
	)

Definition at line 511 of file node.c.

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static uword lb4_gre4_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 908 of file node.c.

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static uword lb4_gre6_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 901 of file node.c.

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static uword lb4_l3dsr_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 915 of file node.c.

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static uword lb4_nat4_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 929 of file node.c.

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static uword lb4_nodeport_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 1040 of file node.c.

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static uword lb6_gre4_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 894 of file node.c.

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static uword lb6_gre6_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 887 of file node.c.

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static uword lb6_nat6_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 922 of file node.c.

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static uword lb6_nodeport_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 1047 of file node.c.

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lb_hash_t* lb_get_sticky_table

(

u32

thread_index

)

Definition at line 127 of file node.c.

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int lb_nat44_mapping_match	(	lb_main_t *	lbm,
		lb_snat4_key_t *	match,
		u32 *	index
	)

Match NAT44 static mapping.

Parameters

sm	NAT main.
match	Address and port to match.
index	index to the pool.

Returns

0 if match found, otherwise -1.

Definition at line 632 of file node.c.

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static uword lb_nat4_in2out_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 936 of file node.c.

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int lb_nat66_mapping_match	(	lb_main_t *	lbm,
		lb_snat6_key_t *	match,
		u32 *	index
	)

Match NAT66 static mapping.

Parameters

sm	NAT main.
match	Address and port to match.
mapping	External or local address and port of the matched mapping.

Returns

0 if match found otherwise 1.

Definition at line 658 of file node.c.

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static uword lb_nat6_in2out_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 943 of file node.c.

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static uword lb_nat_in2out_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, u32  is_nat4  )

static

Definition at line 684 of file node.c.

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static_always_inline uword lb_node_fn	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		u8	is_input_v4,
		lb_encap_type_t	encap_type
	)

Definition at line 217 of file node.c.

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static_always_inline u32 lb_node_get_hash	(	vlib_buffer_t *	p,
		u8	is_input_v4
	)

Definition at line 177 of file node.c.

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u64 lb_node_get_other_ports4

(

ip4_header_t *

ip40

)

Definition at line 165 of file node.c.

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u64 lb_node_get_other_ports6

(

ip6_header_t *

ip60

)

Definition at line 171 of file node.c.

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static uword lb_nodeport_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, u8  is_input_v4  )

static

Definition at line 535 of file node.c.

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VNET_FEATURE_INIT	(	lb_nat4_in2out_node_fn	,
		static
	)

VNET_FEATURE_INIT	(	lb_nat6_in2out_node_fn	,
		static
	)

Variable Documentation

vlib_node_registration_t lb4_gre4_node

Initial value:

=
  {
    .function = lb4_gre4_node_fn,
    .name = "lb4-gre4",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_N_NEXT, 
    .next_nodes =
        { [LB_NEXT_DROP] = "error-drop" },
  }

(constructor) VLIB_REGISTER_NODE (lb4_gre4_node)

Definition at line 987 of file node.c.

vlib_node_registration_t lb4_gre6_node

Initial value:

=
  {
    .function = lb4_gre6_node_fn,
    .name = "lb4-gre6",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_N_NEXT,
    .next_nodes =
        { [LB_NEXT_DROP] = "error-drop" }, 
  }

(constructor) VLIB_REGISTER_NODE (lb4_gre6_node)

Definition at line 974 of file node.c.

vlib_node_registration_t lb4_l3dsr_node

Initial value:

=
  {
    .function = lb4_l3dsr_node_fn,
    .name = "lb4-l3dsr",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_N_NEXT,
    .next_nodes =
        { [LB_NEXT_DROP] = "error-drop" },
  }

(constructor) VLIB_REGISTER_NODE (lb4_l3dsr_node)

Definition at line 1000 of file node.c.

vlib_node_registration_t lb4_nat4_node

Initial value:

=
  {
    .function = lb4_nat4_node_fn,
    .name = "lb4-nat4",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_N_NEXT,
    .next_nodes =
        { [LB_NEXT_DROP] = "error-drop" },
  }

(constructor) VLIB_REGISTER_NODE (lb4_nat4_node)

Definition at line 1026 of file node.c.

vlib_node_registration_t lb4_nodeport_node

Initial value:

=
  {
    .function = lb4_nodeport_node_fn,
    .name = "lb4-nodeport",
    .vector_size = sizeof(u32),
    .format_trace = format_nodeport_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB4_NODEPORT_N_NEXT,
    .next_nodes =
        {
            [LB4_NODEPORT_NEXT_IP4_NAT4] = "lb4-nat4",
            [LB4_NODEPORT_NEXT_DROP] = "error-drop",
        },
  }

(constructor) VLIB_REGISTER_NODE (lb4_nodeport_node)

Definition at line 1053 of file node.c.

vlib_node_registration_t lb6_gre4_node

Initial value:

=
  {
    .function = lb6_gre4_node_fn,
    .name = "lb6-gre4",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_N_NEXT,
    .next_nodes =
        { [LB_NEXT_DROP] = "error-drop" },
  }

(constructor) VLIB_REGISTER_NODE (lb6_gre4_node)

Definition at line 961 of file node.c.

vlib_node_registration_t lb6_gre6_node

Initial value:

=
  {
    .function = lb6_gre6_node_fn,
    .name = "lb6-gre6",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_trace,
    .n_errors = LB_N_ERROR, .error_strings = lb_error_strings,
    .n_next_nodes = LB_N_NEXT,
    .next_nodes =
        { [LB_NEXT_DROP] = "error-drop" },
  }

(constructor) VLIB_REGISTER_NODE (lb6_gre6_node)

Definition at line 949 of file node.c.

vlib_node_registration_t lb6_nat6_node

Initial value:

=
  {
    .function = lb6_nat6_node_fn,
    .name = "lb6-nat6",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_N_NEXT,
    .next_nodes =
        { [LB_NEXT_DROP] = "error-drop" },
  }

(constructor) VLIB_REGISTER_NODE (lb6_nat6_node)

Definition at line 1013 of file node.c.

vlib_node_registration_t lb6_nodeport_node

Initial value:

=
  {
    .function = lb6_nodeport_node_fn,
    .name = "lb6-nodeport",
    .vector_size = sizeof(u32),
    .format_trace = format_nodeport_lb_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB6_NODEPORT_N_NEXT,
    .next_nodes =
      {
          [LB6_NODEPORT_NEXT_IP6_NAT6] = "lb6-nat6",
          [LB6_NODEPORT_NEXT_DROP] = "error-drop",
      },
  }

(constructor) VLIB_REGISTER_NODE (lb6_nodeport_node)

Definition at line 1069 of file node.c.

char* lb_error_strings[]

static

Initial value:

=
  {
#define _(sym,string) 
      foreach_lb_error

    }

Definition at line 34 of file node.c.

vlib_node_registration_t lb_nat4_in2out_node

Initial value:

=
  {
    .function = lb_nat4_in2out_node_fn,
    .name = "lb-nat4-in2out",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_nat_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_NAT4_IN2OUT_N_NEXT,
    .next_nodes =
      {
          [LB_NAT4_IN2OUT_NEXT_DROP] = "error-drop",
          [LB_NAT4_IN2OUT_NEXT_LOOKUP] = "ip4-lookup",
      },
  }

(constructor) VLIB_REGISTER_NODE (lb_nat4_in2out_node)

Definition at line 1092 of file node.c.

vlib_node_registration_t lb_nat6_in2out_node

Initial value:

=
  {
    .function = lb_nat6_in2out_node_fn,
    .name = "lb-nat6-in2out",
    .vector_size = sizeof(u32),
    .format_trace = format_lb_nat_trace,
    .n_errors = LB_N_ERROR,
    .error_strings = lb_error_strings,
    .n_next_nodes = LB_NAT6_IN2OUT_N_NEXT,
    .next_nodes =
      {
          [LB_NAT6_IN2OUT_NEXT_DROP] = "error-drop",
          [LB_NAT6_IN2OUT_NEXT_LOOKUP] = "ip6-lookup",
      },
  }

(constructor) VLIB_REGISTER_NODE (lb_nat6_in2out_node)

Definition at line 1115 of file node.c.