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	calc_checksums (vlib_main_t *vm, vlib_buffer_t *b)
static_always_inline u16	tso_alloc_tx_bufs (vlib_main_t *vm, vnet_interface_per_thread_data_t *ptd, vlib_buffer_t *b0, u16 l4_hdr_sz)
static_always_inline void	tso_init_buf_from_template_base (vlib_buffer_t *nb0, vlib_buffer_t *b0, u32 flags, u16 length)
static_always_inline void	tso_init_buf_from_template (vlib_main_t *vm, vlib_buffer_t *nb0, vlib_buffer_t *b0, u16 template_data_sz, u16 gso_size, u8 **p_dst_ptr, u16 *p_dst_left, u32 next_tcp_seq, u32 flags)
static_always_inline void	tso_fixup_segmented_buf (vlib_buffer_t *b0, u8 tcp_flags, int is_ip6)
static_always_inline u32	tso_segment_buffer (vlib_main_t *vm, vnet_interface_per_thread_data_t *ptd, int do_tx_offloads, u32 sbi0, vlib_buffer_t *sb0, u32 n_bytes_b0)
	Allocate the necessary number of ptd->split_buffers, and segment the possibly chained buffer(s) from b0 into there. More...
static_always_inline void	drop_one_buffer_and_count (vlib_main_t *vm, vnet_main_t *vnm, vlib_node_runtime_t *node, u32 *pbi0, u32 drop_error_code)
static_always_inline uword	vnet_interface_output_node_inline_gso (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, vnet_main_t *vnm, vnet_hw_interface_t *hi, int do_tx_offloads, int do_segmentation)
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 uword	vnet_interface_output_node_inline (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame, vnet_main_t *vnm, vnet_hw_interface_t *hi, int do_tx_offloads)
uword	vnet_interface_output_node (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
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_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, 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)
static uword	interface_tx_node_fn (vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *from_frame)
	VNET_FEATURE_ARC_INIT (interface_output, static)
	VNET_FEATURE_INIT (span_tx, static)
	VNET_FEATURE_INIT (ipsec_if_tx, static)
	VNET_FEATURE_INIT (interface_tx, 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...
static clib_error_t *	pcap_drop_trace_command_fn (vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)

Variables
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...
static vlib_node_registration_t	interface_tx
	(constructor) VLIB_REGISTER_NODE (interface_tx) More...
static vlib_cli_command_t	pcap_trace_command
	(constructor) VLIB_CLI_COMMAND (pcap_trace_command) 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 1068 of file interface_output.c.

Function Documentation

calc_checksums()

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

Definition at line 180 of file interface_output.c.

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drop_one_buffer_and_count()

static_always_inline void drop_one_buffer_and_count	(	vlib_main_t *	vm,
		vnet_main_t *	vnm,
		vlib_node_runtime_t *	node,
		u32 *	pbi0,
		u32	drop_error_code
	)

Definition at line 444 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 997 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 59 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 1235 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 1076 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 1247 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 1010 of file interface_output.c.

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interface_tx_node_fn()

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

static

Definition at line 1286 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, vlib_frame_t *  f  )

inlinestatic

Definition at line 1168 of file interface_output.c.

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pcap_drop_trace_command_fn()

static clib_error_t* pcap_drop_trace_command_fn ( vlib_main_t *  vm, unformat_input_t *  input, vlib_cli_command_t *  cmd  )

static

Definition at line 1406 of file interface_output.c.

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tso_alloc_tx_bufs()

static_always_inline u16 tso_alloc_tx_bufs	(	vlib_main_t *	vm,
		vnet_interface_per_thread_data_t *	ptd,
		vlib_buffer_t *	b0,
		u16	l4_hdr_sz
	)

Definition at line 233 of file interface_output.c.

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tso_fixup_segmented_buf()

static_always_inline void tso_fixup_segmented_buf	(	vlib_buffer_t *	b0,
		u8	tcp_flags,
		int	is_ip6
	)

Definition at line 287 of file interface_output.c.

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tso_init_buf_from_template()

static_always_inline void tso_init_buf_from_template	(	vlib_main_t *	vm,
		vlib_buffer_t *	nb0,
		vlib_buffer_t *	b0,
		u16	template_data_sz,
		u16	gso_size,
		u8 **	p_dst_ptr,
		u16 *	p_dst_left,
		u32	next_tcp_seq,
		u32	flags
	)

Definition at line 269 of file interface_output.c.

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tso_init_buf_from_template_base()

static_always_inline void tso_init_buf_from_template_base	(	vlib_buffer_t *	nb0,
		vlib_buffer_t *	b0,
		u32	flags,
		u16	length
	)

Definition at line 257 of file interface_output.c.

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tso_segment_buffer()

static_always_inline u32 tso_segment_buffer	(	vlib_main_t *	vm,
		vnet_interface_per_thread_data_t *	ptd,
		int	do_tx_offloads,
		u32	sbi0,
		vlib_buffer_t *	sb0,
		u32	n_bytes_b0
	)

Allocate the necessary number of ptd->split_buffers, and segment the possibly chained buffer(s) from b0 into there.

Return the cumulative number of bytes sent or zero if allocation failed.

Definition at line 317 of file interface_output.c.

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VNET_FEATURE_ARC_INIT()

VNET_FEATURE_ARC_INIT	(	interface_output	,
		static
	)

VNET_FEATURE_INIT() [1/3]

VNET_FEATURE_INIT	(	span_tx	,
		static
	)

VNET_FEATURE_INIT() [2/3]

VNET_FEATURE_INIT	(	ipsec_if_tx	,
		static
	)

VNET_FEATURE_INIT() [3/3]

VNET_FEATURE_INIT	(	interface_tx	,
		static
	)

VNET_HW_INTERFACE_ADD_DEL_FUNCTION()

VNET_HW_INTERFACE_ADD_DEL_FUNCTION

(

vnet_per_buffer_interface_output_hw_interface_add_del

)

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vnet_interface_output_node()

uword vnet_interface_output_node	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame
	)

Definition at line 877 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,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		vnet_main_t *	vnm,
		vnet_hw_interface_t *	hi,
		int	do_tx_offloads
	)

Definition at line 847 of file interface_output.c.

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vnet_interface_output_node_inline_gso()

static_always_inline uword vnet_interface_output_node_inline_gso	(	vlib_main_t *	vm,
		vlib_node_runtime_t *	node,
		vlib_frame_t *	frame,
		vnet_main_t *	vnm,
		vnet_hw_interface_t *	hi,
		int	do_tx_offloads,
		int	do_segmentation
	)

Definition at line 465 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 105 of file interface_output.c.

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vnet_interface_pcap_tx_trace()

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 809 of file interface_output.c.

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vnet_pcap_drop_trace_filter_add_del()

void vnet_pcap_drop_trace_filter_add_del	(	u32	error_index,
		int	is_add
	)

Definition at line 1221 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 1371 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 898 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 1393 of file interface_output.c.

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Variable Documentation

interface_drop

vlib_node_registration_t interface_drop

Initial value:

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

(constructor) VLIB_REGISTER_NODE (interface_drop)

Definition at line 1255 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,
  .n_next_nodes = 1,
  .next_nodes = {
    [0] = "punt",
  },
}

(constructor) VLIB_REGISTER_NODE (interface_punt)

Definition at line 1267 of file interface_output.c.

interface_tx

vlib_node_registration_t interface_tx

static

Initial value:

= {
  .function = interface_tx_node_fn,
  .name = "interface-tx",
  .vector_size = sizeof (u32),
  .n_next_nodes = 1,
  .next_nodes = {
    [0] = "error-drop",
  },
}

(constructor) VLIB_REGISTER_NODE (interface_tx)

Definition at line 1332 of file interface_output.c.

pcap_trace_command

vlib_cli_command_t pcap_trace_command

static

Initial value:

= {
  .path = "pcap drop trace",
  .short_help =
  "pcap drop trace on off max <nn> intfc <intfc> file <name> status",
  .function = pcap_drop_trace_command_fn,
}

(constructor) VLIB_CLI_COMMAND (pcap_trace_command)

Definition at line 1531 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 1279 of file interface_output.c.