mbuf.h File Reference

#include "basic.h"
#include "buffer.h"

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Data Structures
struct	mbuf_buffer
struct	mbuf_item
struct	mbuf_set

Macros
#define	MBUF_INDEX(head, offset, size)   (((head) + (offset)) & ((size)-1))
#define	MF_UNICAST   (1<<0)

Functions
struct mbuf_set *	mbuf_init (unsigned int size)
void	mbuf_free (struct mbuf_set *ms)
struct mbuf_buffer *	mbuf_alloc_buf (const struct buffer *buf)
void	mbuf_free_buf (struct mbuf_buffer *mb)
void	mbuf_add_item (struct mbuf_set *ms, const struct mbuf_item *item)
bool	mbuf_extract_item (struct mbuf_set *ms, struct mbuf_item *item)
void	mbuf_dereference_instance (struct mbuf_set *ms, struct multi_instance *mi)
static bool	mbuf_defined (const struct mbuf_set *ms)
static unsigned int	mbuf_len (const struct mbuf_set *ms)
static int	mbuf_maximum_queued (const struct mbuf_set *ms)
struct multi_instance *	mbuf_peek_dowork (struct mbuf_set *ms)
static struct multi_instance *	mbuf_peek (struct mbuf_set *ms)

Macro Definition Documentation

MBUF_INDEX

#define MBUF_INDEX	(		head,
			offset,
			size
	)		(((head) + (offset)) & ((size)-1))

Definition at line 39 of file mbuf.h.

MF_UNICAST

#define MF_UNICAST   (1<<0)

Definition at line 46 of file mbuf.h.

Function Documentation

mbuf_add_item()

void mbuf_add_item	(	struct mbuf_set *	ms,
		const struct mbuf_item *	item
	)

Definition at line 89 of file mbuf.c.

References mbuf_set::array, ASSERT, mbuf_item::buffer, mbuf_set::capacity, D_MULTI_DROPPED, mbuf_set::head, mbuf_set::len, mbuf_set::max_queued, mbuf_extract_item(), mbuf_free_buf(), MBUF_INDEX, msg, and mbuf_buffer::refcount.

Referenced by multi_add_mbuf(), and multi_tcp_process_outgoing_link().

mbuf_alloc_buf()

struct mbuf_buffer* mbuf_alloc_buf

(

const struct buffer *

buf

)

Definition at line 65 of file mbuf.c.

References ALLOC_OBJ, mbuf_buffer::buf, clone_buf(), mbuf_buffer::flags, and mbuf_buffer::refcount.

Referenced by multi_bcast(), multi_tcp_process_outgoing_link(), and multi_unicast().

mbuf_defined()

static bool mbuf_defined ( const struct mbuf_set *  ms )

inlinestatic

Definition at line 80 of file mbuf.h.

References mbuf_set::len.

Referenced by mbuf_peek(), multi_process_outgoing_link_pre(), multi_tcp_process_outgoing_link(), multi_tcp_set_global_rw_flags(), and p2mp_iow_flags().

mbuf_dereference_instance()

void mbuf_dereference_instance	(	struct mbuf_set *	ms,
		struct multi_instance *	mi
	)

Definition at line 152 of file mbuf.c.

References mbuf_set::array, mbuf_item::buffer, mbuf_set::capacity, D_MBUF, mbuf_set::head, mbuf_item::instance, mbuf_set::len, mbuf_free_buf(), MBUF_INDEX, and msg.

Referenced by multi_close_instance().

mbuf_extract_item()

bool mbuf_extract_item	(	struct mbuf_set *	ms,
		struct mbuf_item *	item
	)

Definition at line 111 of file mbuf.c.

References mbuf_set::array, mbuf_set::capacity, mbuf_set::head, mbuf_item::instance, mbuf_set::len, and MBUF_INDEX.

Referenced by mbuf_add_item(), multi_get_queue(), and multi_tcp_process_outgoing_link_ready().

mbuf_free()

void mbuf_free

(

struct mbuf_set *

ms

)

Definition at line 49 of file mbuf.c.

References mbuf_set::array, mbuf_item::buffer, mbuf_set::capacity, mbuf_set::head, mbuf_set::len, mbuf_free_buf(), and MBUF_INDEX.

Referenced by multi_tcp_instance_specific_free(), and multi_uninit().

mbuf_free_buf()

void mbuf_free_buf

(

struct mbuf_buffer *

mb

)

Definition at line 76 of file mbuf.c.

References mbuf_buffer::buf, free_buf(), and mbuf_buffer::refcount.

Referenced by mbuf_add_item(), mbuf_dereference_instance(), mbuf_free(), multi_bcast(), multi_get_queue(), multi_tcp_process_outgoing_link(), multi_tcp_process_outgoing_link_ready(), and multi_unicast().

mbuf_init()

struct mbuf_set* mbuf_init

(

unsigned int

size

)

Definition at line 39 of file mbuf.c.

References adjust_power_of_2(), ALLOC_ARRAY, ALLOC_OBJ_CLEAR, mbuf_set::array, and mbuf_set::capacity.

Referenced by multi_init(), and multi_tcp_instance_specific_init().

mbuf_len()

static unsigned int mbuf_len ( const struct mbuf_set *  ms )

inlinestatic

Definition at line 86 of file mbuf.h.

References mbuf_set::len.

Referenced by multi_output_queue_ready().

mbuf_maximum_queued()

static int mbuf_maximum_queued ( const struct mbuf_set *  ms )

inlinestatic

Definition at line 92 of file mbuf.h.

References mbuf_set::max_queued.

Referenced by multi_print_status().

mbuf_peek()

static struct multi_instance* mbuf_peek ( struct mbuf_set *  ms )

inlinestatic

Definition at line 100 of file mbuf.h.

References mbuf_defined(), and mbuf_peek_dowork().

Referenced by multi_tcp_process_io().

mbuf_peek_dowork()

struct multi_instance* mbuf_peek_dowork

(

struct mbuf_set *

ms

)

Definition at line 132 of file mbuf.c.

References mbuf_set::array, mbuf_set::capacity, mbuf_set::head, mbuf_item::instance, mbuf_set::len, and MBUF_INDEX.

Referenced by mbuf_peek().