nat44_ei_hairpinning.c File Reference

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Data Structures
struct	nat44_ei_hairpin_trace_t

Macros
#define	NAT44_EI_FLAG_HAIRPINNING   (1 << 0)

Enumerations
enum	nat44_ei_hairpin_src_next_t {   NAT44_EI_HAIRPIN_SRC_NEXT_DROP, NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT, NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT_WH, NAT44_EI_HAIRPIN_SRC_NEXT_INTERFACE_OUTPUT,   NAT44_EI_HAIRPIN_SRC_N_NEXT }
enum	nat44_ei_hairpin_next_t { NAT44_EI_HAIRPIN_NEXT_LOOKUP, NAT44_EI_HAIRPIN_NEXT_DROP, NAT44_EI_HAIRPIN_NEXT_HANDOFF, NAT44_EI_HAIRPIN_N_NEXT }

Functions
static u8 *	format_nat44_ei_hairpin_trace (u8 *s, va_list *args)
static_always_inline int	nat44_ei_is_hairpinning (nat44_ei_main_t *nm, ip4_address_t *dst_addr)
void	nat44_ei_hairpinning_sm_unknown_proto (nat44_ei_main_t *nm, vlib_buffer_t *b, ip4_header_t *ip)
int	nat44_ei_hairpinning (vlib_main_t *vm, vlib_node_runtime_t *node, nat44_ei_main_t *nm, u32 thread_index, vlib_buffer_t *b0, ip4_header_t *ip0, udp_header_t *udp0, tcp_header_t *tcp0, u32 proto0, int do_trace, u32 *required_thread_index)
u32	nat44_ei_icmp_hairpinning (nat44_ei_main_t *nm, vlib_buffer_t *b0, u32 thread_index, ip4_header_t *ip0, icmp46_header_t *icmp0, u32 *required_thread_index)
void	nat44_ei_hairpinning_unknown_proto (nat44_ei_main_t *nm, vlib_buffer_t *b, ip4_header_t *ip)
	while (n_left_from > 0)

Variables
vnet_feature_arc_registration_t	vnet_feat_arc_ip4_local
vlib_main_t *	vm
vlib_main_t vlib_node_runtime_t *	node
vlib_main_t vlib_node_runtime_t vlib_frame_t *	frame
nat44_ei_hairpin_src_next_t	next_index = node->cached_next_index
nat44_ei_main_t *	nm = &nat44_ei_main
	from = vlib_frame_vector_args (frame)
	n_left_from = frame->n_vectors
return frame	n_vectors
u32	thread_index = vm->thread_index
vnet_feature_main_t *	fm = &feature_main
u8	arc_index = vnet_feat_arc_ip4_local.feature_arc_index
vnet_feature_config_main_t *	cm = &fm->feature_config_mains[arc_index]
vlib_node_registration_t	nat44_ei_hairpinning_dst_handoff_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_dst_handoff_node) More...
vlib_node_registration_t	nat44_ei_hairpinning_handoff_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_handoff_node) More...
vlib_node_registration_t	nat44_ei_hairpin_src_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpin_src_node) More...
vlib_node_registration_t	nat44_ei_hairpin_dst_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpin_dst_node) More...
vlib_node_registration_t	nat44_ei_hairpinning_node
	(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_node) More...

Macro Definition Documentation

NAT44_EI_FLAG_HAIRPINNING

#define NAT44_EI_FLAG_HAIRPINNING   (1 << 0)

Definition at line 26 of file nat44_ei_hairpinning.c.

Enumeration Type Documentation

nat44_ei_hairpin_next_t

enum nat44_ei_hairpin_next_t

Enumerator
NAT44_EI_HAIRPIN_NEXT_LOOKUP
NAT44_EI_HAIRPIN_NEXT_DROP
NAT44_EI_HAIRPIN_NEXT_HANDOFF
NAT44_EI_HAIRPIN_N_NEXT

Definition at line 37 of file nat44_ei_hairpinning.c.

nat44_ei_hairpin_src_next_t

enum nat44_ei_hairpin_src_next_t

Enumerator
NAT44_EI_HAIRPIN_SRC_NEXT_DROP
NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT
NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT_WH
NAT44_EI_HAIRPIN_SRC_NEXT_INTERFACE_OUTPUT
NAT44_EI_HAIRPIN_SRC_N_NEXT

Definition at line 28 of file nat44_ei_hairpinning.c.

Function Documentation

format_nat44_ei_hairpin_trace()

static u8* format_nat44_ei_hairpin_trace ( u8 *  s, va_list *  args  )

static

Definition at line 54 of file nat44_ei_hairpinning.c.

nat44_ei_hairpinning()

int nat44_ei_hairpinning	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		nat44_ei_main_t *	nm,
		u32	thread_index,
		vlib_buffer_t *	b0,
		ip4_header_t *	ip0,
		udp_header_t *	udp0,
		tcp_header_t *	tcp0,
		u32	proto0,
		int	do_trace,
		u32 *	required_thread_index
	)

Definition at line 124 of file nat44_ei_hairpinning.c.

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nat44_ei_hairpinning_sm_unknown_proto()

void nat44_ei_hairpinning_sm_unknown_proto	(	nat44_ei_main_t *	nm,
		vlib_buffer_t *	b,
		ip4_header_t *	ip
	)

Definition at line 97 of file nat44_ei_hairpinning.c.

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nat44_ei_hairpinning_unknown_proto()

void nat44_ei_hairpinning_unknown_proto	(	nat44_ei_main_t *	nm,
		vlib_buffer_t *	b,
		ip4_header_t *	ip
	)

Definition at line 383 of file nat44_ei_hairpinning.c.

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nat44_ei_icmp_hairpinning()

u32 nat44_ei_icmp_hairpinning	(	nat44_ei_main_t *	nm,
		vlib_buffer_t *	b0,
		u32	thread_index,
		ip4_header_t *	ip0,
		icmp46_header_t *	icmp0,
		u32 *	required_thread_index
	)

Definition at line 251 of file nat44_ei_hairpinning.c.

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nat44_ei_is_hairpinning()

static_always_inline int nat44_ei_is_hairpinning	(	nat44_ei_main_t *	nm,
		ip4_address_t *	dst_addr
	)

Definition at line 77 of file nat44_ei_hairpinning.c.

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while()

while	(	n_left_from	,
		0
	)

Definition at line 419 of file nat44_ei_hairpinning.c.

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Variable Documentation

arc_index

u8 arc_index = vnet_feat_arc_ip4_local.feature_arc_index

Definition at line 593 of file nat44_ei_hairpinning.c.

cm

vnet_feature_config_main_t* cm = &fm->feature_config_mains[arc_index]

Definition at line 594 of file nat44_ei_hairpinning.c.

fm

vnet_feature_main_t* fm = &feature_main

Definition at line 592 of file nat44_ei_hairpinning.c.

frame

vlib_main_t vlib_node_runtime_t vlib_frame_t* frame

Initial value:

{
  u32 n_left_from, *from, *to_next

Definition at line 410 of file nat44_ei_hairpinning.c.

from

u32 * from = vlib_frame_vector_args (frame)

Definition at line 415 of file nat44_ei_hairpinning.c.

n_left_from

n_left_from = frame->n_vectors

Definition at line 416 of file nat44_ei_hairpinning.c.

n_vectors

return frame n_vectors

Definition at line 488 of file nat44_ei_hairpinning.c.

nat44_ei_hairpin_dst_node

vlib_node_registration_t nat44_ei_hairpin_dst_node

Initial value:

= {
  .name = "nat44-ei-hairpin-dst",
  .vector_size = sizeof (u32),
  .type = VLIB_NODE_TYPE_INTERNAL,
  .format_trace = format_nat44_ei_hairpin_trace,
  .n_next_nodes = NAT44_EI_HAIRPIN_N_NEXT,
  .next_nodes = {
    [NAT44_EI_HAIRPIN_NEXT_DROP] = "error-drop",
    [NAT44_EI_HAIRPIN_NEXT_LOOKUP] = "ip4-lookup",
    [NAT44_EI_HAIRPIN_NEXT_HANDOFF] = "nat44-ei-hairpin-dst-handoff",
  },
}

(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpin_dst_node)

Definition at line 727 of file nat44_ei_hairpinning.c.

nat44_ei_hairpin_src_node

vlib_node_registration_t nat44_ei_hairpin_src_node

Initial value:

= {
  .name = "nat44-ei-hairpin-src",
  .vector_size = sizeof (u32),
  .type = VLIB_NODE_TYPE_INTERNAL,
  .n_next_nodes = NAT44_EI_HAIRPIN_SRC_N_NEXT,
  .next_nodes = {
     [NAT44_EI_HAIRPIN_SRC_NEXT_DROP] = "error-drop",
     [NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT] = "nat44-ei-in2out-output",
     [NAT44_EI_HAIRPIN_SRC_NEXT_INTERFACE_OUTPUT] = "interface-output",
     [NAT44_EI_HAIRPIN_SRC_NEXT_SNAT_IN2OUT_WH] = "nat44-ei-in2out-output-worker-handoff",
  },
}

(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpin_src_node)

Definition at line 714 of file nat44_ei_hairpinning.c.

nat44_ei_hairpinning_dst_handoff_node

vlib_node_registration_t nat44_ei_hairpinning_dst_handoff_node

Initial value:

= {
  .name = "nat44-ei-hairpin-dst-handoff",
  .vector_size = sizeof (u32),
  .n_errors = ARRAY_LEN(nat44_ei_hairpinning_handoff_error_strings),
  .error_strings = nat44_ei_hairpinning_handoff_error_strings,
  .format_trace = format_nat44_ei_hairpinning_handoff_trace,
 
  .n_next_nodes = 1,
 
  .next_nodes = {
    [0] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_dst_handoff_node)

Definition at line 686 of file nat44_ei_hairpinning.c.

nat44_ei_hairpinning_handoff_node

vlib_node_registration_t nat44_ei_hairpinning_handoff_node

Initial value:

= {
  .name = "nat44-ei-hairpinning-handoff",
  .vector_size = sizeof (u32),
  .n_errors = ARRAY_LEN(nat44_ei_hairpinning_handoff_error_strings),
  .error_strings = nat44_ei_hairpinning_handoff_error_strings,
  .format_trace = format_nat44_ei_hairpinning_handoff_trace,
 
  .n_next_nodes = 1,
 
  .next_nodes = {
    [0] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_handoff_node)

Definition at line 700 of file nat44_ei_hairpinning.c.

nat44_ei_hairpinning_node

vlib_node_registration_t nat44_ei_hairpinning_node

Initial value:

= {
  .name = "nat44-ei-hairpinning",
  .vector_size = sizeof (u32),
  .type = VLIB_NODE_TYPE_INTERNAL,
  .format_trace = format_nat44_ei_hairpin_trace,
  .n_next_nodes = NAT44_EI_HAIRPIN_N_NEXT,
  .next_nodes = {
    [NAT44_EI_HAIRPIN_NEXT_DROP] = "error-drop",
    [NAT44_EI_HAIRPIN_NEXT_LOOKUP] = "ip4-lookup",
    [NAT44_EI_HAIRPIN_NEXT_HANDOFF] = "nat44-ei-hairpinning-handoff",
  },
}

(constructor) VLIB_REGISTER_NODE (nat44_ei_hairpinning_node)

Definition at line 740 of file nat44_ei_hairpinning.c.

next_index

lcp_arp_next_t next_index = node->cached_next_index

Definition at line 412 of file nat44_ei_hairpinning.c.

nm

nat44_ei_main_t * nm = &nat44_ei_main

Definition at line 413 of file nat44_ei_hairpinning.c.

node

vlib_main_t vlib_node_runtime_t* node

Definition at line 409 of file nat44_ei_hairpinning.c.

thread_index

u32 thread_index = vm->thread_index

Definition at line 495 of file nat44_ei_hairpinning.c.

vm

vlib_main_t* vm

Definition at line 409 of file nat44_ei_hairpinning.c.

vnet_feat_arc_ip4_local

vnet_feature_arc_registration_t vnet_feat_arc_ip4_local