Include dependency graph for buffer.c:

Macros
#define	BUFFERS_PER_COPY (sizeof (vlib_copy_unit_t) / sizeof (u32))

Functions
uword	vlib_buffer_length_in_chain_slow_path (vlib_main_t vm, vlib_buffer_t b_first)

u8 *	format_vlib_buffer (u8 s, va_list args)

u8 *	format_vlib_buffer_and_data (u8 s, va_list args)

static u8 *	format_vlib_buffer_known_state (u8 s, va_list args)

u8 *	format_vlib_buffer_contents (u8 s, va_list va)

static u8 *	vlib_validate_buffer_helper (vlib_main_t vm, u32 bi, uword follow_buffer_next, uword *unique_hash)

u8 *	vlib_validate_buffer (vlib_main_t *vm, u32 bi, uword follow_buffer_next)

u8 *	vlib_validate_buffers (vlib_main_t vm, u32 buffers, uword next_buffer_stride, uword n_buffers, vlib_buffer_known_state_t known_state, uword follow_buffer_next)

static void	vlib_buffer_validate_alloc_free (vlib_main_t vm, u32 buffers, uword n_buffers, vlib_buffer_known_state_t expected_state)

void	vlib_aligned_memcpy (void _dst, void _src, int n_bytes)

static void	fill_unaligned (vlib_main_t vm, vlib_buffer_free_list_t free_list, uword n_unaligned_buffers)

static void	trim_aligned (vlib_buffer_free_list_t *f)

static void	merge_free_lists (vlib_buffer_free_list_t dst, vlib_buffer_free_list_t src)

always_inline u32	vlib_buffer_get_free_list_with_size (vlib_main_t *vm, u32 size)

static u32	vlib_buffer_create_free_list_helper (vlib_main_t vm, u32 n_data_bytes, u32 is_public, u32 is_default, u8 name)

u32	vlib_buffer_create_free_list (vlib_main_t vm, u32 n_data_bytes, char fmt,...)

u32	vlib_buffer_get_or_create_free_list (vlib_main_t vm, u32 n_data_bytes, char fmt,...)

static void	del_free_list (vlib_main_t vm, vlib_buffer_free_list_t f)

void	vlib_buffer_delete_free_list (vlib_main_t *vm, u32 free_list_index)

static uword	fill_free_list (vlib_main_t vm, vlib_buffer_free_list_t fl, uword min_free_buffers)

always_inline uword	copy_alignment (u32 *x)

static u32	alloc_from_free_list (vlib_main_t vm, vlib_buffer_free_list_t free_list, u32 *alloc_buffers, u32 n_alloc_buffers)

u32	vlib_buffer_alloc (vlib_main_t vm, u32 buffers, u32 n_buffers)
	Allocate buffers into supplied array. More...

u32	vlib_buffer_alloc_from_free_list (vlib_main_t vm, u32 buffers, u32 n_buffers, u32 free_list_index)
	Allocate buffers from specific freelist into supplied array. More...

always_inline void	add_buffer_to_free_list (vlib_main_t vm, vlib_buffer_free_list_t f, u32 buffer_index, u8 do_init)

always_inline vlib_buffer_free_list_t *	buffer_get_free_list (vlib_main_t vm, vlib_buffer_t b, u32 *index)

void *	vlib_set_buffer_free_callback (vlib_main_t vm, void fp)

void	vnet_buffer_free_dpdk_mb (vlib_buffer_t *b)

static_always_inline void	vlib_buffer_free_inline (vlib_main_t vm, u32 buffers, u32 n_buffers, u32 follow_buffer_next)

void	vlib_buffer_free (vlib_main_t vm, u32 buffers, u32 n_buffers)
	Free buffers Frees the entire buffer chain for each buffer. More...

void	vlib_buffer_free_no_next (vlib_main_t vm, u32 buffers, u32 n_buffers)
	Free buffers, does not free the buffer chain for each buffer. More...

static void	vlib_packet_template_buffer_init (vlib_main_t vm, vlib_buffer_free_list_t fl, u32 *buffers, u32 n_buffers)

void	vlib_packet_template_init (vlib_main_t vm, vlib_packet_template_t t, void packet_data, uword n_packet_data_bytes, uword min_n_buffers_each_physmem_alloc, char fmt,...)

void *	vlib_packet_template_get_packet (vlib_main_t vm, vlib_packet_template_t t, u32 *bi_result)

void	vlib_packet_template_get_packet_helper (vlib_main_t vm, vlib_packet_template_t t)

u32	vlib_buffer_add_data (vlib_main_t vm, u32 free_list_index, u32 buffer_index, void data, u32 n_data_bytes)

u16	vlib_buffer_chain_append_data_with_alloc (vlib_main_t vm, u32 free_list_index, vlib_buffer_t first, vlib_buffer_t *last, void data, u16 data_len)

void	vlib_buffer_chain_validate (vlib_main_t vm, vlib_buffer_t b_first)

static void	vlib_serialize_tx (serialize_main_header_t m, serialize_stream_t s)

static void	vlib_serialize_rx (serialize_main_header_t m, serialize_stream_t s)

static void	serialize_open_vlib_helper (serialize_main_t m, vlib_main_t vm, vlib_serialize_buffer_main_t *sm, uword is_read)

void	serialize_open_vlib_buffer (serialize_main_t m, vlib_main_t vm, vlib_serialize_buffer_main_t *sm)

void	unserialize_open_vlib_buffer (serialize_main_t m, vlib_main_t vm, vlib_serialize_buffer_main_t *sm)

u32	serialize_close_vlib_buffer (serialize_main_t *m)

void	unserialize_close_vlib_buffer (serialize_main_t *m)

static u8 *	format_vlib_buffer_free_list (u8 s, va_list va)

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

Variables
vlib_main_t **	vlib_mains

vlib_cli_command_t	show_buffers_command
	(constructor) VLIB_CLI_COMMAND (show_buffers_command) More...

Macro Definition Documentation

#define BUFFERS_PER_COPY (sizeof (vlib_copy_unit_t) / sizeof (u32))

Definition at line 353 of file buffer.c.

Function Documentation

always_inline void add_buffer_to_free_list	(	vlib_main_t *	vm,
		vlib_buffer_free_list_t *	f,
		u32	buffer_index,
		u8	do_init
	)

Definition at line 794 of file buffer.c.

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static u32 alloc_from_free_list	(	vlib_main_t *	vm,
		vlib_buffer_free_list_t *	free_list,
		u32 *	alloc_buffers,
		u32	n_alloc_buffers
	)

static

Definition at line 650 of file buffer.c.

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always_inline vlib_buffer_free_list_t* buffer_get_free_list	(	vlib_main_t *	vm,
		vlib_buffer_t *	b,
		u32 *	index
	)

Definition at line 806 of file buffer.c.

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always_inline uword copy_alignment ( u32 * x )

Definition at line 646 of file buffer.c.

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static void del_free_list	(	vlib_main_t *	vm,
		vlib_buffer_free_list_t *	f
	)

static

Definition at line 535 of file buffer.c.

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static uword fill_free_list	(	vlib_main_t *	vm,
		vlib_buffer_free_list_t *	fl,
		uword	min_free_buffers
	)

static

Definition at line 574 of file buffer.c.

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static void fill_unaligned	(	vlib_main_t *	vm,
		vlib_buffer_free_list_t *	free_list,
		uword	n_unaligned_buffers
	)

static

Definition at line 357 of file buffer.c.

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u8* format_vlib_buffer	(	u8 *	s,
		va_list *	args
	)

Definition at line 57 of file buffer.c.

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u8* format_vlib_buffer_and_data	(	u8 *	s,
		va_list *	args
	)

Definition at line 74 of file buffer.c.

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

Definition at line 112 of file buffer.c.

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

static

Definition at line 1427 of file buffer.c.

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

static

Definition at line 85 of file buffer.c.

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static void merge_free_lists	(	vlib_buffer_free_list_t *	dst,
		vlib_buffer_free_list_t *	src
	)

static

Definition at line 411 of file buffer.c.

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u32 serialize_close_vlib_buffer ( serialize_main_t * m )

Definition at line 1393 of file buffer.c.

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void serialize_open_vlib_buffer	(	serialize_main_t *	m,
		vlib_main_t *	vm,
		vlib_serialize_buffer_main_t *	sm
	)

Definition at line 1387 of file buffer.c.

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static void serialize_open_vlib_helper	(	serialize_main_t *	m,
		vlib_main_t *	vm,
		vlib_serialize_buffer_main_t *	sm,
		uword	is_read
	)

static

Definition at line 1363 of file buffer.c.

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

static

Definition at line 1451 of file buffer.c.

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static void trim_aligned ( vlib_buffer_free_list_t * f )

static

Definition at line 383 of file buffer.c.

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void unserialize_close_vlib_buffer ( serialize_main_t * m )

Definition at line 1416 of file buffer.c.

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void unserialize_open_vlib_buffer	(	serialize_main_t *	m,
		vlib_main_t *	vm,
		vlib_serialize_buffer_main_t *	sm
	)

Definition at line 1390 of file buffer.c.

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void vlib_aligned_memcpy	(	void *	_dst,
		void *	_src,
		int	n_bytes
	)

Definition at line 293 of file buffer.c.

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u32 vlib_buffer_add_data	(	vlib_main_t *	vm,
		u32	free_list_index,
		u32	buffer_index,
		void *	data,
		u32	n_data_bytes
	)

Definition at line 1169 of file buffer.c.

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u32 vlib_buffer_alloc	(	vlib_main_t *	vm,
		u32 *	buffers,
		u32	n_buffers
	)

Allocate buffers into supplied array.

Parameters

vm	- (vlib_main_t *) vlib main data structure pointer
buffers	- (u32 * ) buffer index array
n_buffers	- (u32) number of buffers requested

Returns: - (u32) number of buffers actually allocated, may be less than the number requested or zero

Definition at line 770 of file buffer.c.

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u32 vlib_buffer_alloc_from_free_list	(	vlib_main_t *	vm,
		u32 *	buffers,
		u32	n_buffers,
		u32	free_list_index
	)

Allocate buffers from specific freelist into supplied array.

Parameters

vm	- (vlib_main_t *) vlib main data structure pointer
buffers	- (u32 * ) buffer index array
n_buffers	- (u32) number of buffers requested

Returns: - (u32) number of buffers actually allocated, may be less than the number requested or zero

Definition at line 782 of file buffer.c.

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u16 vlib_buffer_chain_append_data_with_alloc	(	vlib_main_t *	vm,
		u32	free_list_index,
		vlib_buffer_t *	first,
		vlib_buffer_t **	last,
		void *	data,
		u16	data_len
	)

Definition at line 1224 of file buffer.c.

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void vlib_buffer_chain_validate	(	vlib_main_t *	vm,
		vlib_buffer_t *	b_first
	)

Definition at line 1254 of file buffer.c.

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u32 vlib_buffer_create_free_list	(	vlib_main_t *	vm,
		u32	n_data_bytes,
		char *	fmt,
			...
	)

Definition at line 495 of file buffer.c.

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static u32 vlib_buffer_create_free_list_helper	(	vlib_main_t *	vm,
		u32	n_data_bytes,
		u32	is_public,
		u32	is_default,
		u8 *	name
	)

static

Definition at line 449 of file buffer.c.

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void vlib_buffer_delete_free_list	(	vlib_main_t *	vm,
		u32	free_list_index
	)

Definition at line 548 of file buffer.c.

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void vlib_buffer_free	(	vlib_main_t *	vm,
		u32 *	buffers,
		u32	n_buffers
	)

Free buffers Frees the entire buffer chain for each buffer.

Parameters

vm	- (vlib_main_t *) vlib main data structure pointer
buffers	- (u32 * ) buffer index array
n_buffers	- (u32) number of buffers to free

Definition at line 1060 of file buffer.c.

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static_always_inline void vlib_buffer_free_inline	(	vlib_main_t *	vm,
		u32 *	buffers,
		u32	n_buffers,
		u32	follow_buffer_next
	)

Definition at line 828 of file buffer.c.

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void vlib_buffer_free_no_next	(	vlib_main_t *	vm,
		u32 *	buffers,
		u32	n_buffers
	)

Free buffers, does not free the buffer chain for each buffer.

Parameters

vm	- (vlib_main_t *) vlib main data structure pointer
buffers	- (u32 * ) buffer index array
n_buffers	- (u32) number of buffers to free

Definition at line 1067 of file buffer.c.

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always_inline u32 vlib_buffer_get_free_list_with_size	(	vlib_main_t *	vm,
		u32	size
	)

Definition at line 438 of file buffer.c.

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u32 vlib_buffer_get_or_create_free_list	(	vlib_main_t *	vm,
		u32	n_data_bytes,
		char *	fmt,
			...
	)

Definition at line 511 of file buffer.c.

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uword vlib_buffer_length_in_chain_slow_path	(	vlib_main_t *	vm,
		vlib_buffer_t *	b_first
	)

Definition at line 42 of file buffer.c.

static void vlib_buffer_validate_alloc_free	(	vlib_main_t *	vm,
		u32 *	buffers,
		uword	n_buffers,
		vlib_buffer_known_state_t	expected_state
	)

static

Definition at line 249 of file buffer.c.

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static void vlib_packet_template_buffer_init	(	vlib_main_t *	vm,
		vlib_buffer_free_list_t *	fl,
		u32 *	buffers,
		u32	n_buffers
	)

static

Definition at line 1076 of file buffer.c.

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void* vlib_packet_template_get_packet	(	vlib_main_t *	vm,
		vlib_packet_template_t *	t,
		u32 *	bi_result
	)

Definition at line 1133 of file buffer.c.

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void vlib_packet_template_get_packet_helper	(	vlib_main_t *	vm,
		vlib_packet_template_t *	t
	)

Definition at line 1153 of file buffer.c.

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void vlib_packet_template_init	(	vlib_main_t *	vm,
		vlib_packet_template_t *	t,
		void *	packet_data,
		uword	n_packet_data_bytes,
		uword	min_n_buffers_each_physmem_alloc,
		char *	fmt,
			...
	)

Definition at line 1093 of file buffer.c.

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static void vlib_serialize_rx	(	serialize_main_header_t *	m,
		serialize_stream_t *	s
	)

static

Definition at line 1317 of file buffer.c.

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static void vlib_serialize_tx	(	serialize_main_header_t *	m,
		serialize_stream_t *	s
	)

static

Definition at line 1259 of file buffer.c.

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void* vlib_set_buffer_free_callback	(	vlib_main_t *	vm,
		void *	fp
	)

Definition at line 815 of file buffer.c.

u8* vlib_validate_buffer	(	vlib_main_t *	vm,
		u32	bi,
		uword	follow_buffer_next
	)

Definition at line 189 of file buffer.c.

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static u8* vlib_validate_buffer_helper	(	vlib_main_t *	vm,
		u32	bi,
		uword	follow_buffer_next,
		uword **	unique_hash
	)

static

Definition at line 130 of file buffer.c.

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u8* vlib_validate_buffers	(	vlib_main_t *	vm,
		u32 *	buffers,
		uword	next_buffer_stride,
		uword	n_buffers,
		vlib_buffer_known_state_t	known_state,
		uword	follow_buffer_next
	)

Definition at line 193 of file buffer.c.

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void vnet_buffer_free_dpdk_mb ( vlib_buffer_t * b )

Definition at line 825 of file buffer.c.

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Variable Documentation

vlib_cli_command_t show_buffers_command

Initial value:

= {
  .path = "show buffers",
  .short_help = "Show packet buffer allocation",
  .function = show_buffers,
}

(constructor) VLIB_CLI_COMMAND (show_buffers_command)

Definition at line 1466 of file buffer.c.

vlib_main_t** vlib_mains

Definition at line 244 of file buffer.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation