interface_output.c File Reference

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Data Structures
struct	interface_output_trace_t
struct	vnet_error_trace_t_

Typedefs
typedef struct vnet_error_trace_t_	vnet_error_trace_t

Enumerations
enum	vnet_error_disposition_t { VNET_ERROR_DISPOSITION_DROP, VNET_ERROR_DISPOSITION_PUNT, VNET_ERROR_N_DISPOSITION }

Functions
u8 *	format_vnet_interface_output_trace (u8 *s, va_list *va)
static void	vnet_interface_output_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, uword n_buffers)
static_always_inline void	vnet_interface_output_handle_offload (vlib_main_t *vm, vlib_buffer_t *b)
static_always_inline uword	vnet_interface_output_node_inline (vlib_main_t *vm, u32 sw_if_index, vlib_combined_counter_main_t *ccm, vlib_buffer_t **b, u32 config_index, u8 arc, u32 n_left, int do_tx_offloads, int arc_or_subif)
static_always_inline void	vnet_interface_pcap_tx_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, int sw_if_index_from_buffer)
static_always_inline void	store_tx_frame_scalar_data (vnet_hw_if_output_node_runtime_t *r, vnet_hw_if_tx_frame_t *tf)
static_always_inline void	enqueu_to_tx_node (vlib_main_t *vm, vlib_node_runtime_t *node, vnet_hw_interface_t *hi, u32 *from, u32 n_vectors)
	if (node->flags &VLIB_NODE_FLAG_TRACE) vnet_interface_output_trace(vm
	if (rt->is_deleted) return vlib_error_drop_buffers(vm
	vnet_interface_pcap_tx_trace (vm, node, frame, 0)
	vlib_get_buffers (vm, from, bufs, n_buffers)
	if (!(si->flags &VNET_SW_INTERFACE_FLAG_ADMIN_UP)||!(hi->flags &VNET_HW_INTERFACE_FLAG_LINK_UP))
	if (PREDICT_FALSE(vnet_have_features(arc, sw_if_index)))
else	if (hash_elts(hi->sub_interface_sw_if_index_by_id))
	vlib_increment_combined_counter (ccm, ti, sw_if_index, n_buffers, n_bytes)
VLIB_NODE_FN()	vnet_per_buffer_interface_output_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static u8 *	format_vnet_error_trace (u8 *s, va_list *va)
static void	interface_trace_buffers (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
static void	drop_catchup_trace (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_buffer_t *b)
static_always_inline uword	interface_drop_punt (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, vnet_error_disposition_t disposition)
static void	pcap_drop_trace (vlib_main_t *vm, vnet_interface_main_t *im, vnet_pcap_t *pp, vlib_frame_t *f)
void	vnet_pcap_drop_trace_filter_add_del (u32 error_index, int is_add)
VLIB_NODE_FN()	interface_drop (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
VLIB_NODE_FN()	interface_punt (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
	vlib_get_buffers (vm, from, bufs, n_left)
	while (n_left >=8)
	while (n_left)
	if (hi->output_node_thread_runtimes) r
	if (f->n_vectors > 0 &&(r==0||r->frame.queue_id==tf->queue_id))
	clib_mask_compare_u32 (swif, sw_if_indices, mask, frame->n_vectors)
	if (tmp !=to)
else	if (n_free >=n_comp)
	vlib_buffer_copy_indices (to, tmp, n_free)
	vlib_put_next_frame (vm, node, next_index, 0)
	vlib_buffer_copy_indices (to, tmp+n_free, n_frame2)
	store_tx_frame_scalar_data (r, tf)
	vlib_put_next_frame (vm, node, next_index, VLIB_FRAME_SIZE - n_frame2)
	if (n_left)
	VNET_FEATURE_ARC_INIT (interface_output, static)
	VNET_FEATURE_INIT (span_tx, static)
	VNET_FEATURE_INIT (ipsec_if_tx, static)
	VNET_FEATURE_INIT (interface_output_arc_end, static)
clib_error_t *	vnet_per_buffer_interface_output_hw_interface_add_del (vnet_main_t *vnm, u32 hw_if_index, u32 is_create)
	VNET_HW_INTERFACE_ADD_DEL_FUNCTION (vnet_per_buffer_interface_output_hw_interface_add_del)
void	vnet_set_interface_output_node (vnet_main_t *vnm, u32 hw_if_index, u32 node_index)
	Set interface output node - for interface registered without its output/tx nodes created because its VNET_DEVICE_CLASS did not specify any tx_function. More...

Variables
vlib_main_t *	vm
vlib_main_t vlib_node_runtime_t *	node
vlib_main_t vlib_node_runtime_t vlib_frame_t *	frame
vnet_interface_main_t *	im = &vnm->interface_main
vlib_combined_counter_main_t *	ccm
vnet_hw_interface_t *	hi = vnet_get_sup_hw_interface (vnm, sw_if_index)
vnet_sw_interface_t *	si = vnet_get_sw_interface (vnm, sw_if_index)
vnet_interface_output_runtime_t *	rt = (void *) node->runtime_data
vlib_buffer_t *	bufs [VLIB_FRAME_SIZE]
u32	n_bytes
u32	n_buffers = frame->n_vectors
u32	config_index = ~0
u32	sw_if_index = rt->sw_if_index
u32	next_index = VNET_INTERFACE_OUTPUT_NEXT_TX
u32	ti = vm->thread_index
u8	arc = im->output_feature_arc_index
int	arc_or_subif = 0
int	do_tx_offloads = 0
u32 *	from = vlib_frame_vector_args (frame)
	VNET_INTERFACE_OUTPUT_NEXT_DROP
node	node_index
node	VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED
	else
vlib_node_registration_t	vnet_interface_output_node
	(constructor) VLIB_REGISTER_NODE (vnet_interface_output_node) More...
vlib_node_registration_t	interface_drop
	(constructor) VLIB_REGISTER_NODE (interface_drop) More...
vlib_node_registration_t	interface_punt
	(constructor) VLIB_REGISTER_NODE (interface_punt) More...
vlib_node_registration_t	vnet_per_buffer_interface_output_node
	(constructor) VLIB_REGISTER_NODE (vnet_per_buffer_interface_output_node) More...
vnet_hw_if_output_node_runtime_t *	r = 0
vnet_hw_if_tx_frame_t *	tf = vlib_frame_scalar_args (f)
vlib_buffer_t **	b = bufs
u32	sw_if_indices [VLIB_FRAME_SIZE]
u64	used_elts [VLIB_FRAME_SIZE/64] = {}
u64	mask [VLIB_FRAME_SIZE/64] = {}
u32 *	tmp = (u32 *) bufs
u32	n_left = frame->n_vectors
u32	n_free = VLIB_FRAME_SIZE
u32	n_comp = clib_compress_u32 (to, from, mask, frame->n_vectors)
u32 *	to = vlib_frame_vector_args (f)
u32	swif = sw_if_indices[0]
u32	off = 0
vlib_frame_t *	f = vlib_get_next_frame_internal (vm, node, next_index, 0)
u32	n_frame2 = n_comp - n_free
return frame	n_vectors
vlib_node_registration_t	vnet_interface_output_arc_end_node
	(constructor) VLIB_REGISTER_NODE (vnet_interface_output_arc_end_node) More...

Typedef Documentation

vnet_error_trace_t

typedef struct vnet_error_trace_t_ vnet_error_trace_t

Enumeration Type Documentation

vnet_error_disposition_t

enum vnet_error_disposition_t

Enumerator
VNET_ERROR_DISPOSITION_DROP
VNET_ERROR_DISPOSITION_PUNT
VNET_ERROR_N_DISPOSITION

Definition at line 697 of file interface_output.c.

Function Documentation

clib_mask_compare_u32()

clib_mask_compare_u32	(	swif	,
		sw_if_indices	,
		mask	,
		frame->	n_vectors
	)

drop_catchup_trace()

static void drop_catchup_trace ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_buffer_t *  b  )

static

Definition at line 705 of file interface_output.c.

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enqueu_to_tx_node()

static_always_inline void enqueu_to_tx_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vnet_hw_interface_t *	hi,
		u32 *	from,
		u32	n_vectors
	)

Definition at line 334 of file interface_output.c.

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format_vnet_error_trace()

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

static

Definition at line 600 of file interface_output.c.

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format_vnet_interface_output_trace()

u8* format_vnet_interface_output_trace	(	u8 *	s,
		va_list *	va
	)

Definition at line 62 of file interface_output.c.

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if() [1/10]

if

(

!

si->flags &VNET_SW_INTERFACE_FLAG_ADMIN_UP)||!(hi->flags &VNET_HW_INTERFACE_FLAG_LINK_UP

)

Definition at line 430 of file interface_output.c.

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if() [2/10]

if	(	f->	n_vectors,
		0 &&	r==0||r->frame.queue_id==tf->queue_id
	)

Definition at line 1126 of file interface_output.c.

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if() [3/10]

else if

(

hash_elts(hi->sub_interface_sw_if_index_by_id)

)

Definition at line 454 of file interface_output.c.

if() [4/10]

if

(

hi->

output_node_thread_runtimes

)

if() [5/10]

else if

(

n_free >=

n_comp

)

Definition at line 1159 of file interface_output.c.

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if() [6/10]

if

(

n_left

)

Definition at line 1184 of file interface_output.c.

if() [7/10]

if

(

node->flags &

VLIB_NODE_FLAG_TRACE

)

if() [8/10]

if

(

PREDICT_FALSE(vnet_have_features(arc, sw_if_index))

)

Definition at line 446 of file interface_output.c.

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if() [9/10]

if

(

rt->

is_deleted

)

if() [10/10]

if

(

tmp !

= to

)

Definition at line 1154 of file interface_output.c.

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interface_drop()

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

Definition at line 1014 of file interface_output.c.

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interface_drop_punt()

static_always_inline uword interface_drop_punt	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		vnet_error_disposition_t	disposition
	)

Definition at line 755 of file interface_output.c.

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interface_punt()

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

Definition at line 1028 of file interface_output.c.

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interface_trace_buffers()

static void interface_trace_buffers ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame  )

static

Definition at line 633 of file interface_output.c.

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pcap_drop_trace()

static void pcap_drop_trace ( vlib_main_t *  vm, vnet_interface_main_t *  im, vnet_pcap_t *  pp, vlib_frame_t *  f  )

inlinestatic

Definition at line 883 of file interface_output.c.

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store_tx_frame_scalar_data() [1/2]

store_tx_frame_scalar_data	(	r	,
		tf
	)

store_tx_frame_scalar_data() [2/2]

static_always_inline void store_tx_frame_scalar_data	(	vnet_hw_if_output_node_runtime_t *	r,
		vnet_hw_if_tx_frame_t *	tf
	)

Definition at line 326 of file interface_output.c.

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vlib_buffer_copy_indices() [1/2]

vlib_buffer_copy_indices	(	to	,
		tmp+	n_free,
		n_frame2
	)

vlib_buffer_copy_indices() [2/2]

vlib_buffer_copy_indices	(	to	,
		tmp	,
		n_free
	)

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vlib_get_buffers() [1/2]

vlib_get_buffers	(	vm	,
		from	,
		bufs	,
		n_buffers
	)

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vlib_get_buffers() [2/2]

vlib_get_buffers	(	vm	,
		from	,
		bufs	,
		n_left
	)

vlib_increment_combined_counter()

vlib_increment_combined_counter	(	ccm	,
		ti	,
		sw_if_index	,
		n_buffers	,
		n_bytes
	)

vlib_put_next_frame() [1/2]

vlib_put_next_frame	(	vm	,
		node	,
		next_index	,
		0
	)

vlib_put_next_frame() [2/2]

vlib_put_next_frame	(	vm	,
		node	,
		next_index	,
		VLIB_FRAME_SIZE -	n_frame2
	)

VNET_FEATURE_ARC_INIT()

VNET_FEATURE_ARC_INIT	(	interface_output	,
		static
	)

VNET_FEATURE_INIT() [1/3]

VNET_FEATURE_INIT	(	interface_output_arc_end	,
		static
	)

VNET_FEATURE_INIT() [2/3]

VNET_FEATURE_INIT	(	ipsec_if_tx	,
		static
	)

VNET_FEATURE_INIT() [3/3]

VNET_FEATURE_INIT	(	span_tx	,
		static
	)

VNET_HW_INTERFACE_ADD_DEL_FUNCTION()

VNET_HW_INTERFACE_ADD_DEL_FUNCTION

(

vnet_per_buffer_interface_output_hw_interface_add_del

)

vnet_interface_output_handle_offload()

static_always_inline void vnet_interface_output_handle_offload	(	vlib_main_t *	vm,
		vlib_buffer_t *	b
	)

Definition at line 167 of file interface_output.c.

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vnet_interface_output_node_inline()

static_always_inline uword vnet_interface_output_node_inline	(	vlib_main_t *	vm,
		u32	sw_if_index,
		vlib_combined_counter_main_t *	ccm,
		vlib_buffer_t **	b,
		u32	config_index,
		u8	arc,
		u32	n_left,
		int	do_tx_offloads,
		int	arc_or_subif
	)

Definition at line 174 of file interface_output.c.

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vnet_interface_output_trace()

static void vnet_interface_output_trace ( vlib_main_t *  vm, vlib_node_runtime_t *  node, vlib_frame_t *  frame, uword  n_buffers  )

static

Definition at line 98 of file interface_output.c.

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vnet_interface_pcap_tx_trace() [1/2]

static_always_inline void vnet_interface_pcap_tx_trace	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		int	sw_if_index_from_buffer
	)

Definition at line 288 of file interface_output.c.

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vnet_interface_pcap_tx_trace() [2/2]

vnet_interface_pcap_tx_trace	(	vm	,
		node	,
		frame	,
		0
	)

vnet_pcap_drop_trace_filter_add_del()

void vnet_pcap_drop_trace_filter_add_del	(	u32	error_index,
		int	is_add
	)

Definition at line 1000 of file interface_output.c.

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vnet_per_buffer_interface_output_hw_interface_add_del()

clib_error_t* vnet_per_buffer_interface_output_hw_interface_add_del	(	vnet_main_t *	vnm,
		u32	hw_if_index,
		u32	is_create
	)

Definition at line 1238 of file interface_output.c.

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vnet_per_buffer_interface_output_node()

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

Definition at line 497 of file interface_output.c.

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vnet_set_interface_output_node()

void vnet_set_interface_output_node	(	vnet_main_t *	vnm,
		u32	hw_if_index,
		u32	node_index
	)

Set interface output node - for interface registered without its output/tx nodes created because its VNET_DEVICE_CLASS did not specify any tx_function.

This is typically the case for tunnel interfaces.

Definition at line 1260 of file interface_output.c.

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while() [1/2]

while

(

n_left >=

8

)

Definition at line 1086 of file interface_output.c.

while() [2/2]

while

(

n_left

)

Definition at line 1102 of file interface_output.c.

Variable Documentation

arc

u8 arc = im->output_feature_arc_index

Definition at line 406 of file interface_output.c.

arc_or_subif

int arc_or_subif = 0

Definition at line 407 of file interface_output.c.

b

vlib_buffer_t ** b = bufs

Definition at line 1074 of file interface_output.c.

bufs

vlib_buffer_t* bufs[VLIB_FRAME_SIZE]

Definition at line 400 of file interface_output.c.

ccm

vlib_combined_counter_main_t* ccm

Definition at line 396 of file interface_output.c.

config_index

u32 config_index = ~0

Definition at line 402 of file interface_output.c.

do_tx_offloads

int do_tx_offloads = 0

Definition at line 408 of file interface_output.c.

else

else

Initial value:

{
      vlib_buffer_enqueue_to_single_next (vm, node, from, next_index,
                                          frame->n_vectors)

Definition at line 481 of file interface_output.c.

f

f = vlib_get_next_frame_internal (vm, node, next_index, 0)

Definition at line 1080 of file interface_output.c.

frame

vlib_main_t vlib_node_runtime_t vlib_frame_t* frame

Initial value:

{
  vnet_main_t *vnm = vnet_get_main ()

Definition at line 393 of file interface_output.c.

from

from = vlib_frame_vector_args (frame)

Definition at line 409 of file interface_output.c.

hi

hi = vnet_get_sup_hw_interface (vnm, sw_if_index)

Definition at line 397 of file interface_output.c.

im

vnet_interface_main_t * im = &vnm->interface_main

Definition at line 395 of file interface_output.c.

interface_drop

vlib_node_registration_t interface_drop

Initial value:

= {
  .name = "error-drop",
  .vector_size = sizeof (u32),
  .format_trace = format_vnet_error_trace,
  .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
  .n_next_nodes = 1,
  .next_nodes = {
    [0] = "drop",
  },
}

(constructor) VLIB_REGISTER_NODE (interface_drop)

Definition at line 1036 of file interface_output.c.

interface_punt

vlib_node_registration_t interface_punt

Initial value:

= {
  .name = "error-punt",
  .vector_size = sizeof (u32),
  .format_trace = format_vnet_error_trace,
  .flags = VLIB_NODE_FLAG_TRACE_SUPPORTED,
  .n_next_nodes = 1,
  .next_nodes = {
    [0] = "punt",
  },
}

(constructor) VLIB_REGISTER_NODE (interface_punt)

Definition at line 1049 of file interface_output.c.

mask

u64 mask[VLIB_FRAME_SIZE/64] = {}

Definition at line 1077 of file interface_output.c.

n_buffers

return n_buffers = frame->n_vectors

Definition at line 401 of file interface_output.c.

n_bytes

u32 n_bytes

Definition at line 401 of file interface_output.c.

n_comp

n_comp = clib_compress_u32 (to, from, mask, frame->n_vectors)

Definition at line 1078 of file interface_output.c.

n_frame2

u32 n_frame2 = n_comp - n_free

Definition at line 1174 of file interface_output.c.

n_free

n_free = VLIB_FRAME_SIZE

Definition at line 1078 of file interface_output.c.

n_left

n_left = frame->n_vectors

Definition at line 1078 of file interface_output.c.

n_vectors

return frame n_vectors

Definition at line 1199 of file interface_output.c.

next_index

u16 next_index = VNET_INTERFACE_OUTPUT_NEXT_TX

Definition at line 404 of file interface_output.c.

node

vlib_main_t vlib_node_runtime_t* node

Definition at line 392 of file interface_output.c.

node_index

node node_index

Definition at line 420 of file interface_output.c.

off

off = 0

Definition at line 1078 of file interface_output.c.

r

vnet_hw_if_output_node_runtime_t* r = 0

Definition at line 1071 of file interface_output.c.

rt

vnet_interface_output_runtime_t* rt = (void *) node->runtime_data

Definition at line 399 of file interface_output.c.

si

si = vnet_get_sw_interface (vnm, sw_if_index)

Definition at line 398 of file interface_output.c.

sw_if_index

u32 * sw_if_index = rt->sw_if_index

Definition at line 403 of file interface_output.c.

sw_if_indices

u32 sw_if_indices[VLIB_FRAME_SIZE]

Definition at line 1075 of file interface_output.c.

swif

more swif = sw_if_indices[0]

Definition at line 1078 of file interface_output.c.

tf

tf = vlib_frame_scalar_args (f)

Definition at line 1073 of file interface_output.c.

ti

u32 ti = vm->thread_index

Definition at line 405 of file interface_output.c.

tmp

tmp = (u32 *) bufs

Definition at line 1078 of file interface_output.c.

to

to = vlib_frame_vector_args (f)

Definition at line 1078 of file interface_output.c.

used_elts

u64 used_elts[VLIB_FRAME_SIZE/64] = {}

Definition at line 1076 of file interface_output.c.

vm

vlib_main_t* vm

Definition at line 392 of file interface_output.c.

vnet_interface_output_arc_end_node

vlib_node_registration_t vnet_interface_output_arc_end_node

Initial value:

= {
  .name = "interface-output-arc-end",
  .vector_size = sizeof (u32),
  .n_next_nodes = 1,
  .next_nodes = {
    [0] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (vnet_interface_output_arc_end_node)

Definition at line 1202 of file interface_output.c.

VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED

node VNET_INTERFACE_OUTPUT_ERROR_INTERFACE_DELETED

Definition at line 420 of file interface_output.c.

VNET_INTERFACE_OUTPUT_NEXT_DROP

VNET_INTERFACE_OUTPUT_NEXT_DROP

Definition at line 419 of file interface_output.c.

vnet_interface_output_node

vlib_node_registration_t vnet_interface_output_node

Initial value:

= {
  .name = "interface-output-template",
  .vector_size = sizeof (u32),
}

(constructor) VLIB_REGISTER_NODE (vnet_interface_output_node)

Definition at line 491 of file interface_output.c.

vnet_per_buffer_interface_output_node

vlib_node_registration_t vnet_per_buffer_interface_output_node

Initial value:

= {
  .name = "interface-output",
  .vector_size = sizeof (u32),
}

(constructor) VLIB_REGISTER_NODE (vnet_per_buffer_interface_output_node)

Definition at line 1061 of file interface_output.c.