vnic_rq.h File Reference

#include <linux/pci.h>
#include "vnic_dev.h"
#include "vnic_cq.h"

Go to the source code of this file.

Data Structures
struct	vnic_rq_ctrl
struct	vnic_rq_buf
struct	vnic_rq

Macros
#define	VNIC_RQ_BUF_MIN_BLK_ENTRIES   32
#define	VNIC_RQ_BUF_DFLT_BLK_ENTRIES   64
#define	VNIC_RQ_BUF_BLK_ENTRIES(entries)
#define	VNIC_RQ_BUF_BLK_SZ(entries)   (VNIC_RQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_rq_buf))
#define	VNIC_RQ_BUF_BLKS_NEEDED(entries)   DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES(entries))
#define	VNIC_RQ_BUF_BLKS_MAX   VNIC_RQ_BUF_BLKS_NEEDED(4096)
#define	VNIC_RQ_RETURN_RATE   0xf /* keep 2^n - 1 */

Enumerations
enum	desc_return_options { VNIC_RQ_RETURN_DESC, VNIC_RQ_DEFER_RETURN_DESC, VNIC_RQ_RETURN_DESC, VNIC_RQ_DEFER_RETURN_DESC }

Functions
void	vnic_rq_free (struct vnic_rq *rq)
int	vnic_rq_alloc (struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, unsigned int desc_count, unsigned int desc_size)
void	vnic_rq_init (struct vnic_rq *rq, unsigned int cq_index, unsigned int error_interrupt_enable, unsigned int error_interrupt_offset)
unsigned int	vnic_rq_error_status (struct vnic_rq *rq)
void	vnic_rq_enable (struct vnic_rq *rq)
int	vnic_rq_disable (struct vnic_rq *rq)
void	vnic_rq_clean (struct vnic_rq *rq, void(*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf))

Macro Definition Documentation

#define VNIC_RQ_BUF_BLK_ENTRIES

(

entries

)

Value:

((unsigned int)((entries < VNIC_RQ_BUF_DFLT_BLK_ENTRIES) ? \
    VNIC_RQ_BUF_MIN_BLK_ENTRIES : VNIC_RQ_BUF_DFLT_BLK_ENTRIES))

Definition at line 58 of file vnic_rq.h.

#define VNIC_RQ_BUF_BLK_SZ

(

entries

)

(VNIC_RQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_rq_buf))

Definition at line 61 of file vnic_rq.h.

#define VNIC_RQ_BUF_BLKS_MAX   VNIC_RQ_BUF_BLKS_NEEDED(4096)

Definition at line 65 of file vnic_rq.h.

#define VNIC_RQ_BUF_BLKS_NEEDED

(

entries

)

DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES(entries))

Definition at line 63 of file vnic_rq.h.

#define VNIC_RQ_BUF_DFLT_BLK_ENTRIES   64

Definition at line 57 of file vnic_rq.h.

#define VNIC_RQ_BUF_MIN_BLK_ENTRIES   32

Definition at line 56 of file vnic_rq.h.

#define VNIC_RQ_RETURN_RATE   0xf /* keep 2^n - 1 */

Enumeration Type Documentation

enum desc_return_options

Enumerator:

VNIC_RQ_RETURN_DESC
VNIC_RQ_DEFER_RETURN_DESC
VNIC_RQ_RETURN_DESC
VNIC_RQ_DEFER_RETURN_DESC

Definition at line 149 of file vnic_rq.h.

Function Documentation

int vnic_rq_alloc	(	struct vnic_dev *	vdev,
		struct vnic_rq *	rq,
		unsigned int	index,
		unsigned int	desc_count,
		unsigned int	desc_size
	)

Definition at line 87 of file vnic_rq.c.

void vnic_rq_clean	(	struct vnic_rq *	rq,
		void(*)(struct vnic_rq *rq, struct vnic_rq_buf *buf)	buf_clean
	)

Definition at line 188 of file vnic_rq.c.

int vnic_rq_disable

(

struct vnic_rq *

rq

)

Definition at line 170 of file vnic_rq.c.

void vnic_rq_enable

(

struct vnic_rq *

rq

)

Definition at line 165 of file vnic_rq.c.

unsigned int vnic_rq_error_status

(

struct vnic_rq *

rq

)

Definition at line 160 of file vnic_rq.c.

void vnic_rq_free

(

struct vnic_rq *

rq

)

Definition at line 68 of file vnic_rq.c.

void vnic_rq_init	(	struct vnic_rq *	rq,
		unsigned int	cq_index,
		unsigned int	error_interrupt_enable,
		unsigned int	error_interrupt_offset
	)

Definition at line 140 of file vnic_rq.c.