decap.c File Reference

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Data Structures
struct	vxlan_rx_trace_t
struct	last_tunnel_cache4
struct	last_tunnel_cache6

Macros
#define	vxlan_error(n, s)   s,
#define	foreach_vxlan_flow_input_next
#define	foreach_vxlan_flow_error

Enumerations
enum	ip_vxan_bypass_next_t {   IP_GENEVE_BYPASS_NEXT_DROP, IP_GENEVE_BYPASS_NEXT_GENEVE, IP_GENEVE_BYPASS_N_NEXT, IP_VXLAN_BYPASS_NEXT_DROP,   IP_VXLAN_BYPASS_NEXT_VXLAN, IP_VXLAN_BYPASS_N_NEXT, IP_VXLAN_BYPASS_NEXT_DROP, IP_VXLAN_BYPASS_NEXT_VXLAN,   IP_VXLAN_BYPASS_N_NEXT, IP_GTPU_BYPASS_NEXT_DROP, IP_GTPU_BYPASS_NEXT_GTPU, IP_GTPU_BYPASS_N_NEXT }
enum	vxlan_flow_input_next_t { VXLAN_FLOW_N_NEXT }
enum	vxlan_flow_error_t { VXLAN_FLOW_N_ERROR }

Functions
static u8 *	format_vxlan_rx_trace (u8 *s, va_list *args)
static u32	validate_vxlan_fib (vlib_buffer_t *b, vxlan_tunnel_t *t, u32 is_ip4)
static vxlan_tunnel_t *	vxlan4_find_tunnel (vxlan_main_t *vxm, last_tunnel_cache4 *cache, ip4_header_t *ip4_0, vxlan_header_t *vxlan0, vxlan_tunnel_t **stats_t0)
static vxlan_tunnel_t *	vxlan6_find_tunnel (vxlan_main_t *vxm, last_tunnel_cache6 *cache, ip6_header_t *ip6_0, vxlan_header_t *vxlan0, vxlan_tunnel_t **stats_t0)
static uword	vxlan_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame, u32 is_ip4)
static uword	vxlan4_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static uword	vxlan6_input (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static uword	ip_vxlan_bypass_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, u32 is_ip4)
static uword	ip4_vxlan_bypass (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
clib_error_t *	ip4_vxlan_bypass_init (vlib_main_t *vm)
static uword	ip6_vxlan_bypass (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
clib_error_t *	ip6_vxlan_bypass_init (vlib_main_t *vm)
static_always_inline u8	vxlan_validate_udp_csum (vlib_main_t *vm, vlib_buffer_t *b)
static_always_inline u8	vxlan_check_udp_csum (vlib_main_t *vm, vlib_buffer_t *b)
static_always_inline u8	vxlan_check_ip (vlib_buffer_t *b, u16 payload_len)
static_always_inline u8	vxlan_check_ip_udp_len (vlib_buffer_t *b)
static_always_inline u8	vxlan_err_code (u8 ip_err0, u8 udp_err0, u8 csum_err0)
VLIB_NODE_FN()	vxlan4_flow_input_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *f)

Variables
vlib_node_registration_t	vxlan4_input_node
	(constructor) VLIB_REGISTER_NODE (vxlan4_input_node) More...
vlib_node_registration_t	vxlan6_input_node
	(constructor) VLIB_REGISTER_NODE (vxlan6_input_node) More...
static char *	vxlan_error_strings []
vlib_node_registration_t	ip4_vxlan_bypass_node
	(constructor) VLIB_REGISTER_NODE (ip4_vxlan_bypass_node) More...
vlib_node_registration_t	ip6_vxlan_bypass_node
	(constructor) VLIB_REGISTER_NODE (ip6_vxlan_bypass_node) More...
static char *	vxlan_flow_error_strings []
vlib_node_registration_t	vxlan4_flow_input_node
	(constructor) VLIB_REGISTER_NODE (vxlan4_flow_input_node) More...

Macro Definition Documentation

#define foreach_vxlan_flow_error

Value:

_(NONE, "no error")                                                     \
  _(IP_CHECKSUM_ERROR, "Rx ip checksum errors")                         \
  _(IP_HEADER_ERROR, "Rx ip header errors")                             \
  _(UDP_CHECKSUM_ERROR, "Rx udp checksum errors")                               \
  _(UDP_LENGTH_ERROR, "Rx udp length errors")

Definition at line 963 of file decap.c.

#define foreach_vxlan_flow_input_next

Value:

_(DROP, "error-drop")                           \
_(L2_INPUT, "l2-input")

Definition at line 951 of file decap.c.

#define vxlan_error	(		n,
			s
	)		s,

Enumeration Type Documentation

enum ip_vxan_bypass_next_t

Enumerator
IP_GENEVE_BYPASS_NEXT_DROP
IP_GENEVE_BYPASS_NEXT_GENEVE
IP_GENEVE_BYPASS_N_NEXT
IP_VXLAN_BYPASS_NEXT_DROP
IP_VXLAN_BYPASS_NEXT_VXLAN
IP_VXLAN_BYPASS_N_NEXT
IP_VXLAN_BYPASS_NEXT_DROP
IP_VXLAN_BYPASS_NEXT_VXLAN
IP_VXLAN_BYPASS_N_NEXT
IP_GTPU_BYPASS_NEXT_DROP
IP_GTPU_BYPASS_NEXT_GTPU
IP_GTPU_BYPASS_N_NEXT

Definition at line 501 of file decap.c.

enum vxlan_flow_error_t

Enumerator
VXLAN_FLOW_N_ERROR

Definition at line 970 of file decap.c.

enum vxlan_flow_input_next_t

Enumerator
VXLAN_FLOW_N_NEXT

Definition at line 955 of file decap.c.

Function Documentation

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

static

Definition at line 32 of file decap.c.

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static uword ip4_vxlan_bypass ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 890 of file decap.c.

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clib_error_t* ip4_vxlan_bypass_init

(

vlib_main_t *

vm

)

Definition at line 915 of file decap.c.

static uword ip6_vxlan_bypass ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 921 of file decap.c.

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clib_error_t* ip6_vxlan_bypass_init

(

vlib_main_t *

vm

)

Definition at line 946 of file decap.c.

static uword ip_vxlan_bypass_inline ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, u32  is_ip4  )

inlinestatic

Definition at line 508 of file decap.c.

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static u32 validate_vxlan_fib ( vlib_buffer_t *  b, vxlan_tunnel_t *  t, u32  is_ip4  )

inlinestatic

Definition at line 52 of file decap.c.

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static vxlan_tunnel_t* vxlan4_find_tunnel ( vxlan_main_t *  vxm, last_tunnel_cache4 *  cache, ip4_header_t *  ip4_0, vxlan_header_t *  vxlan0, vxlan_tunnel_t **  stats_t0  )

inlinestatic

Definition at line 78 of file decap.c.

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VLIB_NODE_FN() vxlan4_flow_input_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	f
	)

Definition at line 1045 of file decap.c.

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static uword vxlan4_input ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 432 of file decap.c.

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static vxlan_tunnel_t* vxlan6_find_tunnel ( vxlan_main_t *  vxm, last_tunnel_cache6 *  cache, ip6_header_t *  ip6_0, vxlan_header_t *  vxlan0, vxlan_tunnel_t **  stats_t0  )

inlinestatic

Definition at line 120 of file decap.c.

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static uword vxlan6_input ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame  )

static

Definition at line 440 of file decap.c.

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static_always_inline u8 vxlan_check_ip	(	vlib_buffer_t *	b,
		u16	payload_len
	)

Definition at line 1015 of file decap.c.

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static_always_inline u8 vxlan_check_ip_udp_len

(

vlib_buffer_t *

b

)

Definition at line 1024 of file decap.c.

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static_always_inline u8 vxlan_check_udp_csum	(	vlib_main_t *	vm,
		vlib_buffer_t *	b
	)

Definition at line 1003 of file decap.c.

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static_always_inline u8 vxlan_err_code	(	u8	ip_err0,
		u8	udp_err0,
		u8	csum_err0
	)

Definition at line 1033 of file decap.c.

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static uword vxlan_input ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  from_frame, u32  is_ip4  )

inlinestatic

Definition at line 162 of file decap.c.

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static_always_inline u8 vxlan_validate_udp_csum	(	vlib_main_t *	vm,
		vlib_buffer_t *	b
	)

Definition at line 986 of file decap.c.

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Variable Documentation

vlib_node_registration_t ip4_vxlan_bypass_node

Initial value:

= {
  .function = ip4_vxlan_bypass,
  .name = "ip4-vxlan-bypass",
  .vector_size = sizeof (u32),

  .n_next_nodes = IP_VXLAN_BYPASS_N_NEXT,
  .next_nodes = {
    [IP_VXLAN_BYPASS_NEXT_DROP] = "error-drop",
    [IP_VXLAN_BYPASS_NEXT_VXLAN] = "vxlan4-input",
  },

  .format_buffer = format_ip4_header,
  .format_trace = format_ip4_forward_next_trace,
}

(constructor) VLIB_REGISTER_NODE (ip4_vxlan_bypass_node)

Definition at line 897 of file decap.c.

vlib_node_registration_t ip6_vxlan_bypass_node

Initial value:

= {
  .function = ip6_vxlan_bypass,
  .name = "ip6-vxlan-bypass",
  .vector_size = sizeof (u32),

  .n_next_nodes = IP_VXLAN_BYPASS_N_NEXT,
  .next_nodes = {
    [IP_VXLAN_BYPASS_NEXT_DROP] = "error-drop",
    [IP_VXLAN_BYPASS_NEXT_VXLAN] = "vxlan6-input",
  },

  .format_buffer = format_ip6_header,
  .format_trace = format_ip6_forward_next_trace,
}

(constructor) VLIB_REGISTER_NODE (ip6_vxlan_bypass_node)

Definition at line 928 of file decap.c.

vlib_node_registration_t vxlan4_flow_input_node

Initial value:

= {
  .name = "vxlan-flow-input",
  .type = VLIB_NODE_TYPE_INTERNAL,
  .vector_size = sizeof (u32),

  .format_trace = format_vxlan_rx_trace,

  .n_errors = VXLAN_FLOW_N_ERROR,
  .error_strings = vxlan_flow_error_strings,

  .n_next_nodes = VXLAN_FLOW_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_vxlan_flow_input_next

  },
}

(constructor) VLIB_REGISTER_NODE (vxlan4_flow_input_node)

Definition at line 1287 of file decap.c.

vlib_node_registration_t vxlan4_input_node

Initial value:

= {
  .function = vxlan4_input,
  .name = "vxlan4-input",
  
  .vector_size = sizeof (u32),

  .n_errors = VXLAN_N_ERROR,
  .error_strings = vxlan_error_strings,

  .n_next_nodes = VXLAN_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_vxlan_input_next

  },


  .format_trace = format_vxlan_rx_trace,
  
}

(constructor) VLIB_REGISTER_NODE (vxlan4_input_node)

Definition at line 22 of file decap.c.

vlib_node_registration_t vxlan6_input_node

Initial value:

= {
  .function = vxlan6_input,
  .name = "vxlan6-input",
  
  .vector_size = sizeof (u32),

  .n_errors = VXLAN_N_ERROR,
  .error_strings = vxlan_error_strings,

  .n_next_nodes = VXLAN_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_vxlan_input_next

  },


  .format_trace = format_vxlan_rx_trace,
  
}

(constructor) VLIB_REGISTER_NODE (vxlan6_input_node)

Definition at line 23 of file decap.c.

char* vxlan_error_strings[]

static

Initial value:

= {
#define vxlan_error(n,s) 



}

Definition at line 447 of file decap.c.

char* vxlan_flow_error_strings[]

static

Initial value:

= {
#define _(n,s) 
  foreach_vxlan_flow_error

}

Definition at line 978 of file decap.c.