cgem_ring Struct Reference

A Cadence GEM descriptor ring. More...

#include <cgem.h>

Data Fields
struct cgem_descriptor *	desc
	Descriptors. More...
struct dma_mapping	map
	Descriptor ring DMA mapping. More...
unsigned int	prod
	Producer index. More...
unsigned int	cons
	Consumer index. More...
uint8_t	qbase
	Queue base address register. More...
uint8_t	count
	Number of descriptors. More...
uint16_t	len
	Length of descriptors. More...

Detailed Description

A Cadence GEM descriptor ring.

Definition at line 129 of file cgem.h.

Field Documentation

desc

struct cgem_descriptor* cgem_ring::desc

Descriptors.

Definition at line 131 of file cgem.h.

Referenced by cgem_create_ring(), cgem_destroy_ring(), cgem_init_ring(), cgem_poll_rx(), cgem_poll_tx(), cgem_refill_rx(), and cgem_transmit().

map

struct dma_mapping cgem_ring::map

Descriptor ring DMA mapping.

Definition at line 133 of file cgem.h.

Referenced by cgem_create_ring(), and cgem_destroy_ring().

prod

unsigned int cgem_ring::prod

Producer index.

Definition at line 135 of file cgem.h.

Referenced by cgem_destroy_ring(), cgem_poll_rx(), cgem_poll_tx(), cgem_refill_rx(), and cgem_transmit().

cons

unsigned int cgem_ring::cons

Consumer index.

Definition at line 137 of file cgem.h.

Referenced by cgem_destroy_ring(), cgem_poll_rx(), cgem_poll_tx(), cgem_refill_rx(), and cgem_transmit().

qbase

uint8_t cgem_ring::qbase

Queue base address register.

Definition at line 140 of file cgem.h.

Referenced by cgem_create_ring(), cgem_destroy_ring(), and cgem_init_ring().

count

uint8_t cgem_ring::count

Number of descriptors.

Definition at line 142 of file cgem.h.

Referenced by cgem_create_ring(), and cgem_init_ring().

len

uint16_t cgem_ring::len

Length of descriptors.

Definition at line 144 of file cgem.h.

Referenced by cgem_create_ring(), cgem_destroy_ring(), and cgem_init_ring().

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

• drivers/net/cgem.h