rtl8139.c File Reference

#include <miniOS/drivers/rtl8139.h>
#include <miniOS/arch/x86_64/port.h>
#include <miniOS/io.h>
#include <miniOS/mm/heap.h>
#include <miniOS/mm/vmm.h>
#include <miniOS/net/ethernet.h>
#include <string.h>

Include dependency graph for rtl8139.c:

Classes
struct	rtl8139_state_t

Macros
#define	RTL8139_REG_MAC0   0x00
#define	RTL8139_REG_MAR0   0x08
#define	RTL8139_REG_TXSTATUS0   0x10
#define	RTL8139_REG_TXADDR0   0x20
#define	RTL8139_REG_RXBUF   0x30
#define	RTL8139_REG_CMD   0x37
#define	RTL8139_REG_CAPR   0x38
#define	RTL8139_REG_CBR   0x3A
#define	RTL8139_REG_IMR   0x3C
#define	RTL8139_REG_ISR   0x3E
#define	RTL8139_REG_TCR   0x40
#define	RTL8139_REG_RCR   0x44
#define	RTL8139_REG_CONFIG1   0x52
#define	RTL8139_CMD_RESET   0x10
#define	RTL8139_CMD_RX_ENABLE   0x08
#define	RTL8139_CMD_TX_ENABLE   0x04
#define	RTL8139_ISR_RX_OK   0x0001
#define	RTL8139_ISR_RX_ERR   0x0002
#define	RTL8139_ISR_TX_OK   0x0004
#define	RTL8139_ISR_TX_ERR   0x0008
#define	RTL8139_RX_STATUS_ROK   0x0001
#define	RTL8139_TX_DESC_COUNT   4
#define	RTL8139_RX_BUFFER_SIZE   8192
#define	RTL8139_RX_PAD_SIZE   16
#define	RTL8139_RX_WRAP_GUARD   2048
#define	RTL8139_RX_RING_SIZE   (RTL8139_RX_BUFFER_SIZE + RTL8139_RX_PAD_SIZE + RTL8139_RX_WRAP_GUARD)

Functions
static void	rtl_out8 (uint16_t port, uint8_t value)
static void	rtl_out16 (uint16_t port, uint16_t value)
static void	rtl_out32 (uint16_t port, uint32_t value)
static uint8_t	rtl_in8 (uint16_t port)
static uint16_t	rtl_in16 (uint16_t port)
static uint32_t	rtl_in32 (uint16_t port)
bool	rtl8139_tx_length_valid (size_t frame_len)
bool	rtl8139_rx_status_valid (uint16_t status, size_t frame_len, size_t avail_len)
uint32_t	rtl8139_ring_advance (uint32_t ring_offset, uint32_t consumed_len, uint32_t ring_size)
static void	rtl8139_reset (uint16_t io_base)
static int	rtl8139_open (netdev_t *dev)
static int	rtl8139_get_mac (netdev_t *dev, uint8_t mac_out[6])
static bool	rtl8139_get_link (netdev_t *dev)
static int	rtl8139_xmit (netdev_t *dev, const void *frame, size_t frame_len)
int	rtl8139_poll (netdev_t *dev)
int	rtl8139_probe_and_init (void)
int	rtl8139_rx_ready (void)

Variables
static uint8_t	g_rtl8139_rx_buf [RTL8139_RX_RING_SIZE]
static uint8_t	g_rtl8139_tx_buf [RTL8139_TX_DESC_COUNT][NET_MAX_FRAME_SIZE+4]
static rtl8139_state_t	g_rtl8139_state
static netdev_t	g_rtl8139_netdev
static const netdev_ops_t	g_rtl8139_ops

Macro Definition Documentation

RTL8139_CMD_RESET

#define RTL8139_CMD_RESET   0x10

RTL8139_CMD_RX_ENABLE

#define RTL8139_CMD_RX_ENABLE   0x08

RTL8139_CMD_TX_ENABLE

#define RTL8139_CMD_TX_ENABLE   0x04

RTL8139_ISR_RX_ERR

#define RTL8139_ISR_RX_ERR   0x0002

RTL8139_ISR_RX_OK

#define RTL8139_ISR_RX_OK   0x0001

RTL8139_ISR_TX_ERR

#define RTL8139_ISR_TX_ERR   0x0008

RTL8139_ISR_TX_OK

#define RTL8139_ISR_TX_OK   0x0004

RTL8139_REG_CAPR

#define RTL8139_REG_CAPR   0x38

RTL8139_REG_CBR

#define RTL8139_REG_CBR   0x3A

RTL8139_REG_CMD

#define RTL8139_REG_CMD   0x37

RTL8139_REG_CONFIG1

#define RTL8139_REG_CONFIG1   0x52

RTL8139_REG_IMR

#define RTL8139_REG_IMR   0x3C

RTL8139_REG_ISR

#define RTL8139_REG_ISR   0x3E

RTL8139_REG_MAC0

#define RTL8139_REG_MAC0   0x00

RTL8139_REG_MAR0

#define RTL8139_REG_MAR0   0x08

RTL8139_REG_RCR

#define RTL8139_REG_RCR   0x44

RTL8139_REG_RXBUF

#define RTL8139_REG_RXBUF   0x30

RTL8139_REG_TCR

#define RTL8139_REG_TCR   0x40

RTL8139_REG_TXADDR0

#define RTL8139_REG_TXADDR0   0x20

RTL8139_REG_TXSTATUS0

#define RTL8139_REG_TXSTATUS0   0x10

RTL8139_RX_BUFFER_SIZE

#define RTL8139_RX_BUFFER_SIZE   8192

RTL8139_RX_PAD_SIZE

#define RTL8139_RX_PAD_SIZE   16

RTL8139_RX_RING_SIZE

#define RTL8139_RX_RING_SIZE   (RTL8139_RX_BUFFER_SIZE + RTL8139_RX_PAD_SIZE + RTL8139_RX_WRAP_GUARD)

RTL8139_RX_STATUS_ROK

#define RTL8139_RX_STATUS_ROK   0x0001

RTL8139_RX_WRAP_GUARD

#define RTL8139_RX_WRAP_GUARD   2048

RTL8139_TX_DESC_COUNT

#define RTL8139_TX_DESC_COUNT   4

Function Documentation

rtl8139_get_link()

bool rtl8139_get_link ( netdev_t * dev )

static

rtl8139_get_mac()

int rtl8139_get_mac ( netdev_t * dev, uint8_t mac_out[6] )

static

Here is the call graph for this function:

rtl8139_open()

int rtl8139_open ( netdev_t * dev )

static

rtl8139_poll()

int rtl8139_poll

(

netdev_t *

dev

)

Here is the call graph for this function:

rtl8139_probe_and_init()

int rtl8139_probe_and_init

(

void

)

Here is the call graph for this function:

Here is the caller graph for this function:

rtl8139_reset()

void rtl8139_reset ( uint16_t io_base )

static

Here is the call graph for this function:

Here is the caller graph for this function:

rtl8139_ring_advance()

uint32_t rtl8139_ring_advance	(	uint32_t	ring_offset,
		uint32_t	consumed_len,
		uint32_t	ring_size )

Here is the caller graph for this function:

rtl8139_rx_ready()

int rtl8139_rx_ready

(

void

)

Here is the call graph for this function:

rtl8139_rx_status_valid()

bool rtl8139_rx_status_valid	(	uint16_t	status,
		size_t	frame_len,
		size_t	avail_len )

Here is the caller graph for this function:

rtl8139_tx_length_valid()

bool rtl8139_tx_length_valid

(

size_t

frame_len

)

Here is the caller graph for this function:

rtl8139_xmit()

int rtl8139_xmit ( netdev_t * dev, const void * frame, size_t frame_len )

static

Here is the call graph for this function:

rtl_in16()

uint16_t rtl_in16 ( uint16_t port )

inlinestatic

Here is the call graph for this function:

Here is the caller graph for this function:

rtl_in32()

uint32_t rtl_in32 ( uint16_t port )

inlinestatic

Here is the call graph for this function:

Here is the caller graph for this function:

rtl_in8()

uint8_t rtl_in8 ( uint16_t port )

inlinestatic

Here is the call graph for this function:

Here is the caller graph for this function:

rtl_out16()

void rtl_out16 ( uint16_t port, uint16_t value )

inlinestatic

Here is the call graph for this function:

Here is the caller graph for this function:

rtl_out32()

void rtl_out32 ( uint16_t port, uint32_t value )

inlinestatic

Here is the call graph for this function:

Here is the caller graph for this function:

rtl_out8()

void rtl_out8 ( uint16_t port, uint8_t value )

inlinestatic

Here is the call graph for this function:

Here is the caller graph for this function:

Variable Documentation

g_rtl8139_netdev

netdev_t g_rtl8139_netdev

static

g_rtl8139_ops

const netdev_ops_t g_rtl8139_ops

static

Initial value:

                                        = {
    .open = rtl8139_open,
    .poll = rtl8139_poll,
    .xmit = rtl8139_xmit,
    .get_mac = rtl8139_get_mac,
    .get_link = rtl8139_get_link,
}

g_rtl8139_rx_buf

uint8_t g_rtl8139_rx_buf[RTL8139_RX_RING_SIZE]

static

g_rtl8139_state

rtl8139_state_t g_rtl8139_state

static

g_rtl8139_tx_buf

uint8_t g_rtl8139_tx_buf[RTL8139_TX_DESC_COUNT][NET_MAX_FRAME_SIZE+4]

static