void slip_init()
{
mydev = (net_device_t*)kmalloc(sizeof(net_device_t));
memcpy(mydev->name, "slip0", 6);
mydev->proto = NET_PROTO_RAW;
mydev->mtu = 65535;
mydev->send = slip_send;
net_register_device(mydev);
// Hook up to the serial port #1 interrupt
interrupts_registerHandler(IRQ4, slip_receive);
}
static void enableCard(struct rtl8139_card *card)
{
// Power on! (LWAKE + LWPTN to active high)
int_out8(card, REG_CONFIG1, 0);
// Reset card
int_out8(card, REG_COMMAND, CR_RESET);
// Wait until reset is finished
while((int_in8(card, REG_COMMAND) & REG_COMMAND) == CR_RESET);
log(LOG_DEBUG, "rtl8139: Reset finished.\n");
// Load MAC address
memset(&card->macAddr, 0, 6);
card->macAddr[0] = int_in8(card, 0);
card->macAddr[1] = int_in8(card, 1);
card->macAddr[2] = int_in8(card, 2);
card->macAddr[3] = int_in8(card, 3);
card->macAddr[4] = int_in8(card, 4);
card->macAddr[5] = int_in8(card, 5);
log(LOG_DEBUG, "rtl8139: Got MAC address.\n");
// Enable all interrupt events
if(card->device->interruptLine == 0xFF)
{
log(LOG_DEBUG, "rtl8139: Error: Card isn't connected to the PIC.");
return;
}
interrupts_registerHandler(card->device->interruptLine + IRQ0, rtl8139_intHandler);
int_out16(card, REG_INTERRUPT_MASK, 0x0005);
int_out16(card, REG_INTERRUPT_STATUS, 0);
// Initialize RCR/TCR
// RBLEN = 00, 8K + 16 bytes rx ring buffer
int_out32(card, REG_RECEIVE_CONFIGURATION,
RCR_MXDMA_UNLIMITED |
RCR_ACCEPT_BROADCAST |
RCR_ACCEPT_PHYS_MATCH
);
int_out32(card, REG_TRANSMIT_CONFIGURATION,
TCR_IFG_STANDARD |
TCR_MXDMA_2048
);
card->rxBuffer = (char *)kmalloc(8192 + 16 );
memset(card->rxBuffer, 0, 8192 + 16);
card->rxBufferOffset = 0;
int_out32(card, REG_RECEIVE_BUFFER, (uint32_t)card->rxBuffer);
// Enable receiver and transmitter
int_out8(card, REG_COMMAND, CR_RECEIVER_ENABLE | CR_TRANSMITTER_ENABLE);
log(LOG_DEBUG, "rtl8139: Enabled receiver / transmitter.\n");
card->netDevice = kmalloc(sizeof(net_device_t));
card->netDevice->mtu = 1500;
card->netDevice->proto = NET_PROTO_ETH;
card->netDevice->send = sendCallback;
card->netDevice->data = card;
net_register_device(card->netDevice);
}
