buffer.c File Reference

Allocate/free network buffers. More...

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Functions
	STATIC_ASSERT (VLIB_BUFFER_PRE_DATA_SIZE==RTE_PKTMBUF_HEADROOM,"VLIB_BUFFER_PRE_DATA_SIZE must be equal to RTE_PKTMBUF_HEADROOM")
static_always_inline void	dpdk_rte_pktmbuf_free (vlib_main_t *vm, vlib_buffer_t *b)
static void	del_free_list (vlib_main_t *vm, vlib_buffer_free_list_t *f)
static void	dpdk_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)
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	dpdk_buffer_alloc (vlib_main_t *vm, u32 *buffers, u32 n_buffers)
u32	dpdk_buffer_alloc_from_free_list (vlib_main_t *vm, u32 *buffers, u32 n_buffers, u32 free_list_index)
static_always_inline void	vlib_buffer_free_inline (vlib_main_t *vm, u32 *buffers, u32 n_buffers, u32 follow_buffer_next)
static void	dpdk_buffer_free (vlib_main_t *vm, u32 *buffers, u32 n_buffers)
static void	dpdk_buffer_free_no_next (vlib_main_t *vm, u32 *buffers, u32 n_buffers)
static void	dpdk_packet_template_init (vlib_main_t *vm, void *vt, void *packet_data, uword n_packet_data_bytes, uword min_n_buffers_each_physmem_alloc, u8 *name)
clib_error_t *	vlib_buffer_pool_create (vlib_main_t *vm, unsigned num_mbufs, unsigned socket_id)
static clib_error_t *	buffer_state_validation_init (vlib_main_t *vm)
static clib_error_t *	dpdk_buffer_init (vlib_main_t *vm)

Variables
u32 *	vlib_buffer_state_validation_lock
uword *	vlib_buffer_state_validation_hash
void *	vlib_buffer_state_heap
static vlib_buffer_callbacks_t	callbacks

Detailed Description

Allocate/free network buffers.

Definition in file buffer.c.

Function Documentation

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 281 of file buffer.c.

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static clib_error_t* buffer_state_validation_init ( vlib_main_t *  vm )

static

Definition at line 545 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 111 of file buffer.c.

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

Definition at line 309 of file buffer.c.

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

Definition at line 322 of file buffer.c.

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static void dpdk_buffer_delete_free_list ( vlib_main_t *  vm, u32  free_list_index  )

static

Definition at line 128 of file buffer.c.

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static void dpdk_buffer_free ( vlib_main_t *  vm, u32 *  buffers, u32  n_buffers  )

static

Definition at line 395 of file buffer.c.

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static void dpdk_buffer_free_no_next ( vlib_main_t *  vm, u32 *  buffers, u32  n_buffers  )

static

Definition at line 402 of file buffer.c.

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static clib_error_t* dpdk_buffer_init ( vlib_main_t *  vm )

static

Definition at line 573 of file buffer.c.

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static void dpdk_packet_template_init ( vlib_main_t *  vm, void *  vt, void *  packet_data, uword  n_packet_data_bytes, uword  min_n_buffers_each_physmem_alloc, u8 *  name  )

static

Definition at line 409 of file buffer.c.

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

Definition at line 83 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 165 of file buffer.c.

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STATIC_ASSERT	(	VLIB_BUFFER_PRE_DATA_SIZE	= =RTE_PKTMBUF_HEADROOM,
		"VLIB_BUFFER_PRE_DATA_SIZE must be equal to RTE_PKTMBUF_HEADROOM"
	)

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

Definition at line 333 of file buffer.c.

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clib_error_t* vlib_buffer_pool_create	(	vlib_main_t *	vm,
		unsigned	num_mbufs,
		unsigned	socket_id
	)

Definition at line 426 of file buffer.c.

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Variable Documentation

vlib_buffer_callbacks_t callbacks

static

Initial value:

= {
  .vlib_buffer_alloc_cb = &dpdk_buffer_alloc,
  .vlib_buffer_alloc_from_free_list_cb = &dpdk_buffer_alloc_from_free_list,
  .vlib_buffer_free_cb = &dpdk_buffer_free,
  .vlib_buffer_free_no_next_cb = &dpdk_buffer_free_no_next,
  .vlib_packet_template_init_cb = &dpdk_packet_template_init,
  .vlib_buffer_delete_free_list_cb = &dpdk_buffer_delete_free_list,
}

Definition at line 563 of file buffer.c.

void* vlib_buffer_state_heap

Definition at line 542 of file buffer.c.

uword* vlib_buffer_state_validation_hash

Definition at line 541 of file buffer.c.

u32* vlib_buffer_state_validation_lock

Definition at line 540 of file buffer.c.