node.c File Reference

Include dependency graph for node.c:

Go to the source code of this file.

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 void	lb_node_get_hash (lb_main_t *lbm, vlib_buffer_t *p, u8 is_input_v4, u32 *hash, u32 *vip_idx, u8 per_port_vip)
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 per_port_vip)
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	lb6_gre6_port_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb6_gre4_port_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_gre6_port_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_gre4_port_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	lb4_l3dsr_port_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb6_nat6_port_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static uword	lb4_nat4_port_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	lb6_gre6_port_node
	(constructor) VLIB_REGISTER_NODE (lb6_gre6_port_node) More...
vlib_node_registration_t	lb6_gre4_port_node
	(constructor) VLIB_REGISTER_NODE (lb6_gre4_port_node) More...
vlib_node_registration_t	lb4_gre6_port_node
	(constructor) VLIB_REGISTER_NODE (lb4_gre6_port_node) More...
vlib_node_registration_t	lb4_gre4_port_node
	(constructor) VLIB_REGISTER_NODE (lb4_gre4_port_node) More...
vlib_node_registration_t	lb4_l3dsr_port_node
	(constructor) VLIB_REGISTER_NODE (lb4_l3dsr_port_node) More...
vlib_node_registration_t	lb4_l3dsr_node
	(constructor) VLIB_REGISTER_NODE (lb4_l3dsr_node) More...
vlib_node_registration_t	lb6_nat6_port_node
	(constructor) VLIB_REGISTER_NODE (lb6_nat6_port_node) More...
vlib_node_registration_t	lb4_nat4_port_node
	(constructor) VLIB_REGISTER_NODE (lb4_nat4_port_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

foreach_lb_error

#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

lb_error_t

enum lb_error_t

Enumerator
LB_N_ERROR

Definition at line 26 of file node.c.

Function Documentation

format_lb_nat_trace()

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

Definition at line 93 of file node.c.

format_lb_trace()

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

Definition at line 63 of file node.c.

format_nodeport_lb_trace()

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

Definition at line 570 of file node.c.

lb4_gre4_node_fn()

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

static

Definition at line 968 of file node.c.

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lb4_gre4_port_node_fn()

static uword lb4_gre4_port_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 996 of file node.c.

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lb4_gre6_node_fn()

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

static

Definition at line 961 of file node.c.

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lb4_gre6_port_node_fn()

static uword lb4_gre6_port_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 989 of file node.c.

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lb4_l3dsr_node_fn()

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

static

Definition at line 1003 of file node.c.

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lb4_l3dsr_port_node_fn()

static uword lb4_l3dsr_port_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 1010 of file node.c.

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lb4_nat4_port_node_fn()

static uword lb4_nat4_port_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 1024 of file node.c.

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lb4_nodeport_node_fn()

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

static

Definition at line 1201 of file node.c.

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lb6_gre4_node_fn()

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

static

Definition at line 954 of file node.c.

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lb6_gre4_port_node_fn()

static uword lb6_gre4_port_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 982 of file node.c.

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lb6_gre6_node_fn()

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

static

Definition at line 947 of file node.c.

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lb6_gre6_port_node_fn()

static uword lb6_gre6_port_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 975 of file node.c.

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lb6_nat6_port_node_fn()

static uword lb6_nat6_port_node_fn ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 1017 of file node.c.

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lb6_nodeport_node_fn()

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

static

Definition at line 1208 of file node.c.

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lb_get_sticky_table()

lb_hash_t* lb_get_sticky_table

(

u32

thread_index

)

Definition at line 127 of file node.c.

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lb_nat44_mapping_match()

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 692 of file node.c.

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lb_nat4_in2out_node_fn()

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

static

Definition at line 1031 of file node.c.

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lb_nat66_mapping_match()

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 718 of file node.c.

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lb_nat6_in2out_node_fn()

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

static

Definition at line 1038 of file node.c.

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lb_nat_in2out_node_fn()

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 744 of file node.c.

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lb_node_fn()

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	per_port_vip
	)

Definition at line 255 of file node.c.

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lb_node_get_hash()

static_always_inline void lb_node_get_hash	(	lb_main_t *	lbm,
		vlib_buffer_t *	p,
		u8	is_input_v4,
		u32 *	hash,
		u32 *	vip_idx,
		u8	per_port_vip
	)

Definition at line 177 of file node.c.

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lb_node_get_other_ports4()

u64 lb_node_get_other_ports4

(

ip4_header_t *

ip40

)

Definition at line 165 of file node.c.

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lb_node_get_other_ports6()

u64 lb_node_get_other_ports6

(

ip6_header_t *

ip60

)

Definition at line 171 of file node.c.

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lb_nodeport_node_fn()

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 594 of file node.c.

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VNET_FEATURE_INIT() [1/2]

VNET_FEATURE_INIT	(	lb_nat4_in2out_node_fn	,
		static
	)

VNET_FEATURE_INIT() [2/2]

VNET_FEATURE_INIT	(	lb_nat6_in2out_node_fn	,
		static
	)

Variable Documentation

lb4_gre4_node

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 1083 of file node.c.

lb4_gre4_port_node

vlib_node_registration_t lb4_gre4_port_node

Initial value:

=
  {
    .function = lb4_gre4_port_node_fn,
    .name = "lb4-gre4-port",
    .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_port_node)

Definition at line 1135 of file node.c.

lb4_gre6_node

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 1070 of file node.c.

lb4_gre6_port_node

vlib_node_registration_t lb4_gre6_port_node

Initial value:

=
  {
    .function = lb4_gre6_port_node_fn,
    .name = "lb4-gre6-port",
    .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_port_node)

Definition at line 1122 of file node.c.

lb4_l3dsr_node

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 1161 of file node.c.

lb4_l3dsr_port_node

vlib_node_registration_t lb4_l3dsr_port_node

Initial value:

=
  {
    .function = lb4_l3dsr_port_node_fn,
    .name = "lb4-l3dsr-port",
    .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_port_node)

Definition at line 1148 of file node.c.

lb4_nat4_port_node

vlib_node_registration_t lb4_nat4_port_node

Initial value:

=
  {
    .function = lb4_nat4_port_node_fn,
    .name = "lb4-nat4-port",
    .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_port_node)

Definition at line 1187 of file node.c.

lb4_nodeport_node

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-port",
            [LB4_NODEPORT_NEXT_DROP] = "error-drop",
        },
  }

(constructor) VLIB_REGISTER_NODE (lb4_nodeport_node)

Definition at line 1214 of file node.c.

lb6_gre4_node

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 1057 of file node.c.

lb6_gre4_port_node

vlib_node_registration_t lb6_gre4_port_node

Initial value:

=
  {
    .function = lb6_gre4_port_node_fn,
    .name = "lb6-gre4-port",
    .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_port_node)

Definition at line 1109 of file node.c.

lb6_gre6_node

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 1044 of file node.c.

lb6_gre6_port_node

vlib_node_registration_t lb6_gre6_port_node

Initial value:

=
  {
    .function = lb6_gre6_port_node_fn,
    .name = "lb6-gre6-port",
    .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_port_node)

Definition at line 1096 of file node.c.

lb6_nat6_port_node

vlib_node_registration_t lb6_nat6_port_node

Initial value:

=
  {
    .function = lb6_nat6_port_node_fn,
    .name = "lb6-nat6-port",
    .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_port_node)

Definition at line 1174 of file node.c.

lb6_nodeport_node

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-port",
          [LB6_NODEPORT_NEXT_DROP] = "error-drop",
      },
  }

(constructor) VLIB_REGISTER_NODE (lb6_nodeport_node)

Definition at line 1230 of file node.c.

lb_error_strings

char* lb_error_strings[]

static

Initial value:

=
  {
#define _(sym,string) 
      foreach_lb_error

    }

Definition at line 34 of file node.c.

lb_nat4_in2out_node

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 1253 of file node.c.

lb_nat6_in2out_node

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 1276 of file node.c.