virtio-net.h File Reference

Virtual I/O network device. More...

#include <ipxe/virtio.h>

Go to the source code of this file.

Data Structures
union	virtio_net_header
	A virtio network packet header. More...
struct	virtio_net_queue
	A virtio network queue. More...
struct	virtio_net
	A virtio network device. More...

Macros
#define	VIRTIO_FEAT0_NET_MTU   0x00000008
	Device has a reported MTU.
#define	VIRTIO_FEAT0_NET_MAC   0x00000020
	Device has a MAC address.
#define	VIRTIO_NET_MAC   0x00
	MAC address register offset.
#define	VIRTIO_NET_MTU   0x0a
	MTU register offset.
#define	VIRTIO_NET_RX_INDEX   0
	Receive queue index.
#define	VIRTIO_NET_RX_COUNT   128
	Receive queue requested queue size.
#define	VIRTIO_NET_RX_MAX   16
	Receive queue maximum fill level.
#define	VIRTIO_NET_TX_INDEX   1
	Transmit queue index.
#define	VIRTIO_NET_TX_COUNT   128
	Transmit queue requested queue size.
#define	VIRTIO_NET_TX_MAX   128
	Transmit queue maximum fill level.
#define	VIRTIO_NET_DESCS   2
	Number of descriptors per packet.

Functions
	FILE_LICENCE (GPL2_OR_LATER_OR_UBDL)
	FILE_SECBOOT (PERMITTED)
static void	virtio_net_queue_init (struct virtio_net_queue *queue, struct io_buffer **iobufs, uint8_t *slots, unsigned int index, unsigned int count, unsigned int max, unsigned int dma, unsigned int write)
	Initialise virtio network queue.

Detailed Description

Virtual I/O network device.

Definition in file virtio-net.h.

Macro Definition Documentation

VIRTIO_FEAT0_NET_MTU

#define VIRTIO_FEAT0_NET_MTU   0x00000008

Device has a reported MTU.

Definition at line 16 of file virtio-net.h.

Referenced by virtio_net_mtu().

VIRTIO_FEAT0_NET_MAC

#define VIRTIO_FEAT0_NET_MAC   0x00000020

Device has a MAC address.

Definition at line 19 of file virtio-net.h.

Referenced by virtio_net_mac().

VIRTIO_NET_MAC

#define VIRTIO_NET_MAC   0x00

MAC address register offset.

Definition at line 22 of file virtio-net.h.

Referenced by virtio_net_mac().

VIRTIO_NET_MTU

#define VIRTIO_NET_MTU   0x0a

MTU register offset.

Definition at line 25 of file virtio-net.h.

Referenced by virtio_net_mtu().

VIRTIO_NET_RX_INDEX

#define VIRTIO_NET_RX_INDEX   0

Receive queue index.

Definition at line 36 of file virtio-net.h.

Referenced by virtio_net_probe().

VIRTIO_NET_RX_COUNT

#define VIRTIO_NET_RX_COUNT   128

Receive queue requested queue size.

Definition at line 39 of file virtio-net.h.

Referenced by virtio_net_probe().

VIRTIO_NET_RX_MAX

#define VIRTIO_NET_RX_MAX   16

Receive queue maximum fill level.

Definition at line 42 of file virtio-net.h.

Referenced by virtio_net_close(), and virtio_net_probe().

VIRTIO_NET_TX_INDEX

#define VIRTIO_NET_TX_INDEX   1

Transmit queue index.

Definition at line 45 of file virtio-net.h.

Referenced by virtio_net_probe().

VIRTIO_NET_TX_COUNT

#define VIRTIO_NET_TX_COUNT   128

Transmit queue requested queue size.

Definition at line 48 of file virtio-net.h.

Referenced by virtio_net_probe().

VIRTIO_NET_TX_MAX

#define VIRTIO_NET_TX_MAX   128

Transmit queue maximum fill level.

Definition at line 51 of file virtio-net.h.

Referenced by virtio_net_probe().

VIRTIO_NET_DESCS

#define VIRTIO_NET_DESCS   2

Number of descriptors per packet.

Definition at line 54 of file virtio-net.h.

Referenced by virtio_net_complete(), virtio_net_enable(), and virtio_net_submit().

Function Documentation

FILE_LICENCE()

FILE_LICENCE

(

GPL2_OR_LATER_OR_UBDL

)

FILE_SECBOOT()

FILE_SECBOOT

(

PERMITTED

)

virtio_net_queue_init()

void virtio_net_queue_init ( struct virtio_net_queue * queue, struct io_buffer ** iobufs, uint8_t * slots, unsigned int index, unsigned int count, unsigned int max, unsigned int dma, unsigned int write )

inlinestatic

Initialise virtio network queue.

Parameters

queue	Virtio network queue
index	Queue index
iobufs	I/O buffer list
slots	Descriptor slot ring
dma	DMA direction for packet header
write	Writability flag for packet header
count	Requested queue size
max	Maximum fill level

Definition at line 97 of file virtio-net.h.

                                             {
 
        queue->queue.index = index;
        queue->iobufs = iobufs;
        queue->slots = slots;
        queue->dma = dma;
        queue->write = write;
        queue->count = count;
        queue->max = max;
}

References count, dma(), index, iobufs, max, queue, and write.

Referenced by virtio_net_probe().