node.c File Reference

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Data Structures
struct	ethernet_input_trace_t
struct	eth_input_tag_lookup_t

Macros
#define	foreach_ethernet_input_next
#define	ethernet_error(n, c, s)   s,

Enumerations
enum	ethernet_input_next_t { ETHERNET_INPUT_N_NEXT }
enum	ethernet_input_variant_t { ETHERNET_INPUT_VARIANT_ETHERNET, ETHERNET_INPUT_VARIANT_ETHERNET_TYPE, ETHERNET_INPUT_VARIANT_NOT_L2 }

Functions
static u8 *	format_ethernet_input_trace (u8 *s, va_list *va)
static_always_inline void	parse_header (ethernet_input_variant_t variant, vlib_buffer_t *b0, u16 *type, u16 *orig_type, u16 *outer_id, u16 *inner_id, u32 *match_flags)
static_always_inline void	identify_subint (vnet_hw_interface_t *hi, vlib_buffer_t *b0, u32 match_flags, main_intf_t *main_intf, vlan_intf_t *vlan_intf, qinq_intf_t *qinq_intf, u32 *new_sw_if_index, u8 *error0, u32 *is_l2)
static_always_inline void	determine_next_node (ethernet_main_t *em, ethernet_input_variant_t variant, u32 is_l20, u32 type0, vlib_buffer_t *b0, u8 *error0, u8 *next0)
	STATIC_ASSERT_OFFSET_OF (vlib_buffer_t, current_data, 0)
	STATIC_ASSERT_OFFSET_OF (vlib_buffer_t, current_length, 2)
	STATIC_ASSERT_OFFSET_OF (vlib_buffer_t, flags, 4)
	STATIC_ASSERT (STRUCT_OFFSET_OF(vnet_buffer_opaque_t, l2_hdr_offset)==STRUCT_OFFSET_OF(vnet_buffer_opaque_t, l3_hdr_offset)-2,"l3_hdr_offset must follow l2_hdr_offset")
static_always_inline void	eth_input_adv_and_flags_x4 (vlib_buffer_t **b, int is_l3)
static_always_inline void	eth_input_adv_and_flags_x1 (vlib_buffer_t **b, int is_l3)
static_always_inline void	eth_input_get_etype_and_tags (vlib_buffer_t **b, u16 *etype, u64 *tags, u64 *dmacs, int offset, int dmac_check)
static_always_inline u16	eth_input_next_by_type (u16 etype)
static_always_inline void	eth_input_update_if_counters (vlib_main_t *vm, vnet_main_t *vnm, eth_input_tag_lookup_t *l)
static_always_inline void	eth_input_tag_lookup (vlib_main_t *vm, vnet_main_t *vnm, vlib_node_runtime_t *node, vnet_hw_interface_t *hi, u64 tag, u16 *next, vlib_buffer_t *b, eth_input_tag_lookup_t *l, u8 dmac_bad, int is_dot1ad, int main_is_l3, int check_dmac)
	STATIC_ASSERT (VLIB_FRAME_SIZE%8==0,"VLIB_FRAME_SIZE must be power of 8")
static_always_inline void	eth_input_process_frame (vlib_main_t *vm, vlib_node_runtime_t *node, vnet_hw_interface_t *hi, u32 *buffer_indices, u32 n_packets, int main_is_l3, int ip4_cksum_ok, int dmac_check)
static_always_inline void	eth_input_single_int (vlib_main_t *vm, vlib_node_runtime_t *node, vnet_hw_interface_t *hi, u32 *from, u32 n_pkts, int ip4_cksum_ok)
static_always_inline void	ethernet_input_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static_always_inline void	ethernet_input_inline (vlib_main_t *vm, vlib_node_runtime_t *node, u32 *from, u32 n_packets, ethernet_input_variant_t variant)
VLIB_NODE_FN()	ethernet_input_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	ethernet_input_type_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
VLIB_NODE_FN()	ethernet_input_not_l2_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
static subint_config_t *	ethernet_sw_interface_get_config (vnet_main_t *vnm, u32 sw_if_index, u32 *flags, u32 *unsupported)
static clib_error_t *	ethernet_sw_interface_up_down (vnet_main_t *vnm, u32 sw_if_index, u32 flags)
	VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (ethernet_sw_interface_up_down)
void	ethernet_sw_interface_set_l2_mode (vnet_main_t *vnm, u32 sw_if_index, u32 l2)
void	ethernet_sw_interface_set_l2_mode_noport (vnet_main_t *vnm, u32 sw_if_index, u32 l2)
static clib_error_t *	ethernet_sw_interface_add_del (vnet_main_t *vnm, u32 sw_if_index, u32 is_create)
	VNET_SW_INTERFACE_ADD_DEL_FUNCTION (ethernet_sw_interface_add_del)
void	ethernet_set_rx_redirect (vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 enable)
clib_error_t *	next_by_ethertype_init (next_by_ethertype_t *l3_next)
clib_error_t *	next_by_ethertype_register (next_by_ethertype_t *l3_next, u32 ethertype, u32 next_index)
static clib_error_t *	ethernet_input_init (vlib_main_t *vm)
void	ethernet_register_input_type (vlib_main_t *vm, ethernet_type_t type, u32 node_index)
void	ethernet_register_l2_input (vlib_main_t *vm, u32 node_index)
void	ethernet_register_l3_redirect (vlib_main_t *vm, u32 node_index)

Variables
vlib_node_registration_t	ethernet_input_node
	(constructor) VLIB_REGISTER_NODE (ethernet_input_node) More...
static char *	ethernet_error_strings []
vlib_node_registration_t	ethernet_input_type_node
	(constructor) VLIB_REGISTER_NODE (ethernet_input_type_node) More...
vlib_node_registration_t	ethernet_input_not_l2_node
	(constructor) VLIB_REGISTER_NODE (ethernet_input_not_l2_node) More...

Macro Definition Documentation

#define ethernet_error	(		n,
			c,
			s
	)		s,

#define foreach_ethernet_input_next

Value:

_ (PUNT, "error-punt")                  \
  _ (DROP, "error-drop")                        \
  _ (LLC, "llc-input")                          \
  _ (IP4_INPUT, "ip4-input")                    \
  _ (IP4_INPUT_NCS, "ip4-input-no-checksum")

Definition at line 48 of file node.c.

Enumeration Type Documentation

enum ethernet_input_next_t

Enumerator
ETHERNET_INPUT_N_NEXT

Definition at line 55 of file node.c.

enum ethernet_input_variant_t

Enumerator
ETHERNET_INPUT_VARIANT_ETHERNET
ETHERNET_INPUT_VARIANT_ETHERNET_TYPE
ETHERNET_INPUT_VARIANT_NOT_L2

Definition at line 93 of file node.c.

Function Documentation

static_always_inline void determine_next_node	(	ethernet_main_t *	em,
		ethernet_input_variant_t	variant,
		u32	is_l20,
		u32	type0,
		vlib_buffer_t *	b0,
		u8 *	error0,
		u8 *	next0
	)

Definition at line 239 of file node.c.

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static_always_inline void eth_input_adv_and_flags_x1	(	vlib_buffer_t **	b,
		int	is_l3
	)

Definition at line 415 of file node.c.

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static_always_inline void eth_input_adv_and_flags_x4	(	vlib_buffer_t **	b,
		int	is_l3
	)

Definition at line 313 of file node.c.

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static_always_inline void eth_input_get_etype_and_tags	(	vlib_buffer_t **	b,
		u16 *	etype,
		u64 *	tags,
		u64 *	dmacs,
		int	offset,
		int	dmac_check
	)

Definition at line 433 of file node.c.

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static_always_inline u16 eth_input_next_by_type

(

u16

etype

)

Definition at line 452 of file node.c.

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static_always_inline void eth_input_process_frame	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vnet_hw_interface_t *	hi,
		u32 *	buffer_indices,
		u32	n_packets,
		int	main_is_l3,
		int	ip4_cksum_ok,
		int	dmac_check
	)

Definition at line 619 of file node.c.

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static_always_inline void eth_input_single_int	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vnet_hw_interface_t *	hi,
		u32 *	from,
		u32	n_pkts,
		int	ip4_cksum_ok
	)

Definition at line 923 of file node.c.

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static_always_inline void eth_input_tag_lookup	(	vlib_main_t *	vm,
		vnet_main_t *	vnm,
		vlib_node_runtime_t *	node,
		vnet_hw_interface_t *	hi,
		u64	tag,
		u16 *	next,
		vlib_buffer_t *	b,
		eth_input_tag_lookup_t *	l,
		u8	dmac_bad,
		int	is_dot1ad,
		int	main_is_l3,
		int	check_dmac
	)

Definition at line 488 of file node.c.

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static_always_inline void eth_input_update_if_counters	(	vlib_main_t *	vm,
		vnet_main_t *	vnm,
		eth_input_tag_lookup_t *	l
	)

Definition at line 472 of file node.c.

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static clib_error_t* ethernet_input_init ( vlib_main_t *  vm )

static

Definition at line 2008 of file node.c.

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static_always_inline void ethernet_input_inline	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		u32 *	from,
		u32	n_packets,
		ethernet_input_variant_t	variant
	)

Definition at line 993 of file node.c.

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VLIB_NODE_FN() ethernet_input_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 1461 of file node.c.

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VLIB_NODE_FN() ethernet_input_not_l2_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 1496 of file node.c.

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static_always_inline void ethernet_input_trace	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 962 of file node.c.

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VLIB_NODE_FN() ethernet_input_type_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	from_frame
	)

Definition at line 1484 of file node.c.

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void ethernet_register_input_type	(	vlib_main_t *	vm,
		ethernet_type_t	type,
		u32	node_index
	)

Definition at line 2036 of file node.c.

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void ethernet_register_l2_input	(	vlib_main_t *	vm,
		u32	node_index
	)

Definition at line 2067 of file node.c.

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void ethernet_register_l3_redirect	(	vlib_main_t *	vm,
		u32	node_index
	)

Definition at line 2088 of file node.c.

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void ethernet_set_rx_redirect	(	vnet_main_t *	vnm,
		vnet_hw_interface_t *	hi,
		u32	enable
	)

Definition at line 1916 of file node.c.

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static clib_error_t* ethernet_sw_interface_add_del ( vnet_main_t *  vnm, u32  sw_if_index, u32  is_create  )

static

Definition at line 1815 of file node.c.

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static subint_config_t* ethernet_sw_interface_get_config ( vnet_main_t *  vnm, u32  sw_if_index, u32 *  flags, u32 *  unsupported  )

static

Definition at line 1514 of file node.c.

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void ethernet_sw_interface_set_l2_mode	(	vnet_main_t *	vnm,
		u32	sw_if_index,
		u32	l2
	)

Definition at line 1727 of file node.c.

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void ethernet_sw_interface_set_l2_mode_noport	(	vnet_main_t *	vnm,
		u32	sw_if_index,
		u32	l2
	)

Definition at line 1776 of file node.c.

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static clib_error_t* ethernet_sw_interface_up_down ( vnet_main_t *  vnm, u32  sw_if_index, u32  flags  )

static

Definition at line 1696 of file node.c.

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static u8* format_ethernet_input_trace ( u8 *  s, va_list *  va  )

static

Definition at line 71 of file node.c.

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static_always_inline void identify_subint	(	vnet_hw_interface_t *	hi,
		vlib_buffer_t *	b0,
		u32	match_flags,
		main_intf_t *	main_intf,
		vlan_intf_t *	vlan_intf,
		qinq_intf_t *	qinq_intf,
		u32 *	new_sw_if_index,
		u8 *	error0,
		u32 *	is_l2
	)

Definition at line 200 of file node.c.

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clib_error_t* next_by_ethertype_init

(

next_by_ethertype_t *

l3_next

)

Definition at line 1931 of file node.c.

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clib_error_t* next_by_ethertype_register	(	next_by_ethertype_t *	l3_next,
		u32	ethertype,
		u32	next_index
	)

Definition at line 1961 of file node.c.

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static_always_inline void parse_header	(	ethernet_input_variant_t	variant,
		vlib_buffer_t *	b0,
		u16 *	type,
		u16 *	orig_type,
		u16 *	outer_id,
		u16 *	inner_id,
		u32 *	match_flags
	)

Definition at line 103 of file node.c.

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STATIC_ASSERT	(	STRUCT_OFFSET_OF(vnet_buffer_opaque_t, l2_hdr_offset)	= =STRUCT_OFFSET_OF(vnet_buffer_opaque_t, l3_hdr_offset)-2,
		"l3_hdr_offset must follow l2_hdr_offset"
	)

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STATIC_ASSERT	(	VLIB_FRAME_SIZE%	8 = =0,
		"VLIB_FRAME_SIZE must be power of 8"
	)

STATIC_ASSERT_OFFSET_OF	(	vlib_buffer_t	,
		current_data	,
		0
	)

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STATIC_ASSERT_OFFSET_OF	(	vlib_buffer_t	,
		current_length	,
		2
	)

STATIC_ASSERT_OFFSET_OF	(	vlib_buffer_t	,
		flags	,
		4
	)

VNET_SW_INTERFACE_ADD_DEL_FUNCTION

(

ethernet_sw_interface_add_del

)

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VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION

(

ethernet_sw_interface_up_down

)

Variable Documentation

char* ethernet_error_strings[]

static

Initial value:

= {
#define ethernet_error(n,c,s) 



ethernet_error (NONE, PUNT, "no error")
ethernet_error (BAD_LLC_LENGTH, DROP, "llc length > packet length")
ethernet_error (UNKNOWN_TYPE, PUNT, "unknown ethernet type")
ethernet_error (UNKNOWN_VLAN, DROP, "unknown vlan")
ethernet_error (L3_MAC_MISMATCH, DROP, "l3 mac mismatch")
ethernet_error (DOWN, DROP, "subinterface down")


}

Definition at line 1864 of file node.c.

vlib_node_registration_t ethernet_input_node

Initial value:

= {
  .name = "ethernet-input",
  
  .vector_size = sizeof (u32),
  .scalar_size = sizeof (ethernet_input_frame_t),
  .n_errors = ETHERNET_N_ERROR,
  .error_strings = ethernet_error_strings,
  .n_next_nodes = ETHERNET_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_ethernet_input_next

  },
  .format_buffer = format_ethernet_header_with_length,
  .format_trace = format_ethernet_input_trace,
  .unformat_buffer = unformat_ethernet_header,
}

(constructor) VLIB_REGISTER_NODE (ethernet_input_node)

Definition at line 1871 of file node.c.

vlib_node_registration_t ethernet_input_not_l2_node

Initial value:

= {
  .name = "ethernet-input-not-l2",
  
  .vector_size = sizeof (u32),
  .n_next_nodes = ETHERNET_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_ethernet_input_next

  },
}

(constructor) VLIB_REGISTER_NODE (ethernet_input_not_l2_node)

Definition at line 1901 of file node.c.

vlib_node_registration_t ethernet_input_type_node

Initial value:

= {
  .name = "ethernet-input-type",
  
  .vector_size = sizeof (u32),
  .n_next_nodes = ETHERNET_INPUT_N_NEXT,
  .next_nodes = {
#define _(s,n) 
    foreach_ethernet_input_next

  },
}

(constructor) VLIB_REGISTER_NODE (ethernet_input_type_node)

Definition at line 1889 of file node.c.