virtio_net_queue Struct Reference

A virtio network queue. More...

#include <virtio-net.h>

Data Fields
struct virtio_queue	queue
	Underlying virtio queue.
struct io_buffer **	iobufs
	I/O buffer list.
uint8_t *	slots
	Descriptor slot ring.
unsigned int	fill
	Effective fill level.
unsigned int	mask
	Descriptor index ring mask.
union virtio_net_header	hdr
	Shared packet header.
struct dma_mapping	map
	DMA mapping for packet header.
uint8_t	dma
	DMA direction for packet header.
uint8_t	write
	Buffer writability flag for packet header.
uint8_t	count
	Requested queue size.
uint8_t	max
	Maximum fill level.

Detailed Description

A virtio network queue.

Definition at line 57 of file virtio-net.h.

Field Documentation

queue

struct virtio_queue virtio_net_queue::queue

Underlying virtio queue.

Definition at line 59 of file virtio-net.h.

Referenced by virtio_net_close(), and virtio_net_open().

iobufs

struct io_buffer** virtio_net_queue::iobufs

I/O buffer list.

Definition at line 61 of file virtio-net.h.

slots

uint8_t* virtio_net_queue::slots

Descriptor slot ring.

Definition at line 63 of file virtio-net.h.

fill

unsigned int virtio_net_queue::fill

Effective fill level.

Definition at line 65 of file virtio-net.h.

mask

unsigned int virtio_net_queue::mask

Descriptor index ring mask.

Definition at line 67 of file virtio-net.h.

hdr

union virtio_net_header virtio_net_queue::hdr

Shared packet header.

Definition at line 70 of file virtio-net.h.

Referenced by virtio_net_close(), and virtio_net_open().

map

struct dma_mapping virtio_net_queue::map

DMA mapping for packet header.

Definition at line 72 of file virtio-net.h.

Referenced by virtio_net_close(), and virtio_net_open().

dma

uint8_t virtio_net_queue::dma

DMA direction for packet header.

Definition at line 75 of file virtio-net.h.

write

uint8_t virtio_net_queue::write

Buffer writability flag for packet header.

Definition at line 77 of file virtio-net.h.

count

uint8_t virtio_net_queue::count

Requested queue size.

Definition at line 79 of file virtio-net.h.

max

uint8_t virtio_net_queue::max

Maximum fill level.

Definition at line 81 of file virtio-net.h.

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The documentation for this struct was generated from the following file:

• drivers/net/virtio-net.h