dp8390.c File Reference

NE2000 (based on DP8390) network interface core implementation. More...

#include <assert.h>
#include <byteorder.h>
#include <errno.h>
#include <stdio.h>
#include <libarch/ddi.h>
#include <net/packet.h>
#include <packet_client.h>
#include "dp8390.h"

Go to the source code of this file.

Data Structures
struct	recv_header_t
	Type definition of the receive header. More...
Defines
#define	DP_PAGE   256
	Page size.
#define	ETH_MAX_PACK_SIZE_TAGGED   1518
	Maximum Ethernet packet size in bytes.
#define	ETH_MIN_PACK_SIZE   60
	Minimum Ethernet packet size in bytes.
#define	NE2K_DATA   0x0010
	NE2000 Data Register.
#define	NE2K_ERL   10
	NE2000 error messages rate limiting.
#define	NE2K_RESET   0x001f
	NE2000 Reset register.
#define	NE2K_RETRY   0x1000
	NE2000 retry count.
#define	NE2K_SIZE   0x4000
	NE2000 data size.
#define	NE2K_START   0x4000
	NE2000 data start.
#define	SQ_PAGES   6
	6 * DP_PAGE >= 1514 bytes
Functions
void	ne2k_down (ne2k_t *ne2k)
	Stop the network interface.
static void	ne2k_download (ne2k_t *ne2k, void *buf, size_t addr, size_t size)
static void	ne2k_init (ne2k_t *ne2k)
link_t *	ne2k_interrupt (ne2k_t *ne2k, uint8_t isr, uint8_t tsr)
int	ne2k_probe (ne2k_t *ne2k, void *port, int irq)
	Probe and initialize the network interface.
static link_t *	ne2k_receive (ne2k_t *ne2k)
static frame_t *	ne2k_receive_frame (ne2k_t *ne2k, uint8_t page, size_t length)
static void	ne2k_reset (ne2k_t *ne2k)
void	ne2k_send (ne2k_t *ne2k, packet_t *packet)
	Send a frame.
int	ne2k_up (ne2k_t *ne2k)
	Start the network interface.
static void	ne2k_upload (ne2k_t *ne2k, void *buf, size_t addr, size_t size)
static void	pio_read_buf_16 (void *port, void *buf, size_t size)
	Read a memory block word by word.
static void	pio_write_buf_16 (void *port, void *buf, size_t size)
	Write a memory block word by word.

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Detailed Description

NE2000 (based on DP8390) network interface core implementation.

Only the basic NE2000 PIO (ISA) interface is supported, remote DMA is completely absent from this code for simplicity.

Definition in file dp8390.c.

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