Interface definitions for the GRETH Ethernet driver. More...

Detailed Description

Interface definitions for the GRETH Ethernet driver.

Definition in file greth.h.

#include <stdint.h>
#include <stdbool.h>
#include "net/netdev.h"
#include "net/netdev/eth.h"

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Data Structures
struct	greth_desc_t
	GRETH buffer descriptor (8 bytes, must be kept at natural alignment) More...

struct	greth_params_t
	GRETH driver parameters (board-level configuration) More...

struct	greth_t
	GRETH driver device descriptor. More...

Functions
void	greth_setup (greth_t dev, const greth_params_t params, uint8_t index)
	Set up the GRETH device descriptor.

Driver configuration constants
#define	CONFIG_GRETH_RX_DESC_NUM (8U)
	Number of RX descriptors (and pre-allocated RX buffers)

#define	CONFIG_GRETH_TX_DESC_NUM (4U)
	Number of TX descriptors.

#define	GRETH_MAX_FRAME_LEN (1518U)
	Maximum Ethernet frame size (excluding FCS added by MAC)

#define	GRETH_BUF_SIZE (1536U)
	RX/TX buffer size — rounded up to 32-byte boundary.

#define	GRETH_ANEG_TIMEOUT (100000U)
	PHY auto-negotiate timeout in poll iterations.

Data Structures