netfront_ring Struct Reference

A netfront descriptor ring. More...

#include <netfront.h>

Data Fields
union {
netif_tx_sring_t *   tx
	Transmit shared ring. More...
netif_rx_sring_t *   rx
	Receive shared ring. More...
void *   raw
	Raw pointer. More...
}	sring
	Shared ring. More...
const char *	ref_key
	Shared ring grant reference key. More...
grant_ref_t	ref
	Shared ring grant reference. More...
size_t	count
	Maximum number of used descriptors. More...
struct io_buffer **	iobufs
	I/O buffers, indexed by buffer ID. More...
grant_ref_t *	refs
	Grant references, indexed by buffer ID. More...
uint8_t *	ids
	Buffer ID ring. More...
unsigned int	id_prod
	Buffer ID ring producer counter. More...
unsigned int	id_cons
	Buffer ID ring consumer counter. More...

Detailed Description

A netfront descriptor ring.

Definition at line 49 of file netfront.h.

Field Documentation

tx

netif_tx_sring_t* netfront_ring::tx

Transmit shared ring.

Definition at line 53 of file netfront.h.

rx

netif_rx_sring_t* netfront_ring::rx

Receive shared ring.

Definition at line 55 of file netfront.h.

raw

void* netfront_ring::raw

Raw pointer.

Definition at line 57 of file netfront.h.

Referenced by netfront_create_ring(), and netfront_destroy_ring().

sring

union { ... } netfront_ring::sring

Shared ring.

Referenced by netfront_create_ring(), and netfront_destroy_ring().

ref_key

const char* netfront_ring::ref_key

Shared ring grant reference key.

Definition at line 60 of file netfront.h.

Referenced by netfront_create_ring(), and netfront_destroy_ring().

ref

grant_ref_t netfront_ring::ref

Shared ring grant reference.

Definition at line 62 of file netfront.h.

Referenced by netfront_create_ring(), and netfront_destroy_ring().

count

size_t netfront_ring::count

Maximum number of used descriptors.

Definition at line 65 of file netfront.h.

Referenced by netfront_create_ring(), netfront_destroy_ring(), netfront_open(), netfront_pull(), and netfront_push().

iobufs

struct io_buffer** netfront_ring::iobufs

I/O buffers, indexed by buffer ID.

Definition at line 67 of file netfront.h.

Referenced by netfront_create_ring(), netfront_pull(), and netfront_push().

refs

grant_ref_t* netfront_ring::refs

Grant references, indexed by buffer ID.

Definition at line 69 of file netfront.h.

Referenced by netfront_pull(), and netfront_push().

ids

uint8_t* netfront_ring::ids

Buffer ID ring.

Definition at line 72 of file netfront.h.

Referenced by netfront_create_ring(), netfront_destroy_ring(), netfront_pull(), and netfront_push().

id_prod

unsigned int netfront_ring::id_prod

Buffer ID ring producer counter.

Definition at line 74 of file netfront.h.

Referenced by __attribute__(), netfront_create_ring(), and netfront_push().

id_cons

unsigned int netfront_ring::id_cons

Buffer ID ring consumer counter.

Definition at line 76 of file netfront.h.

Referenced by __attribute__(), netfront_create_ring(), netfront_destroy_ring(), and netfront_pull().

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

• drivers/net/netfront.h