private void StartPassing(uint id, byte protocol, ushort pass_length,
uint fragment_offset,
ushort pseudoheader_checksum,
ulong dst_addr_0, ulong src_addr_0,
ulong dst_addr_1 = 0, ulong src_addr_1 = 0)
{
state = InternetInState.Pass;
cur_segment_data.offset = 0;
cur_segment_data.ip.id = id;
cur_segment_data.ip.protocol = protocol;
cur_segment_data.size = pass_length;
cur_segment_data.ip.fragment_offset = fragment_offset;
cur_segment_data.ip.pseudoheader_checksum = pseudoheader_checksum;
cur_segment_data.ip.dst_addr_0 = dst_addr_0;
cur_segment_data.ip.dst_addr_1 = dst_addr_1;
cur_segment_data.ip.src_addr_0 = src_addr_0;
cur_segment_data.ip.src_addr_1 = src_addr_1;
Logging.log.Info("Passing started!");
ResetAllBusses();
// We know that the next byte is for passing so to limit interrupts, we set it here already
datagramBusInBufferConsumerControlBusOut.ready = true;
}
void StartWriting(ushort last_byte)
{
StartIdle();
Logging.log.Warn($"WRITING CURRENTLY NOT SUPPORTED ON INTERNET_IN");
state = InternetInState.Write;
idx_out = cur_segment_data.offset;
write_len = last_byte;
ResetAllBusses();
}
void StartReading()
{
state = InternetInState.Read;
// Reset various values
idx_in = 0x00;
cur_segment_data.ip.id = 0;
cur_segment_data.ip.protocol = 0;
cur_segment_data.frame_number = long.MinValue;
cur_segment_data.ip.fragment_offset = 0;
cur_segment_data.ip.pseudoheader_checksum = 0;
cur_segment_data.ip.src_addr_0 = 0;
cur_segment_data.ip.src_addr_1 = 0;
cur_segment_data.ip.dst_addr_0 = 0;
cur_segment_data.ip.dst_addr_1 = 0;
ResetAllBusses();
//datagramBusInBufferConsumerControlBusOut.ready = true;
}
private void StartIdle()
{
state = InternetInState.Idle;
ResetAllBusses();
}
// Intermediate state for transition without resetting busses
private void Finish()
{
state = InternetInState.Finish;
}