shared/libkernelppp/KPPPInterface.cpp

1535 /*!	\brief Sends a packet to the device.
1543 	\param packet The packet.
1544 	\param protocolNumber The packet's protocol number.
1551 KPPPInterface::Send(net_buffer *packet, uint16 protocolNumber)
1555 	if (!packet)
1563 		gBufferModule->free(packet);
1576 		// gBufferModule->free(packet);
1602 		TRACE("send IP packet!\n");
1605 		ERROR("KPPPInterface::Send(): Device is down, throw packet away!!\n");
1606 		// gBufferModule->free(packet);
1613 		NetBufferPrepend<uint8> bufferHeader(packet);
1624 		NetBufferPrepend<uint16> bufferHeader(packet);
1637 		// check if packet is too big for device
1638 		uint32 length = packet->size;
1641 			dprintf("packet too large!\n");
1642 			gBufferModule->free(packet);
1649 		return SendToNext(packet, 0);
1654 		gBufferModule->free(packet);
1660 /*!	\brief Receives a packet.
1668 	\param packet The packet.
1669 	\param protocolNumber The packet's protocol number.
1674 		- \c PPP_REJECTED: No protocol handler could be found for this packet.
1675 		- \c PPP_DISCARDED: The protocol handler(s) did not handle this packet.
1678 KPPPInterface::Receive(net_buffer *packet, uint16 protocolNumber)
1682 	if (!packet)
1692 		TRACE("%s::%s: receiving IP packet\n", __FILE__, __func__);
1696 			return gStackModule->fifo_enqueue_buffer(&(dev->ppp_fifo), packet);
1707 	// if (packet->m_flags & M_PKTHDR && Ifnet() != NULL)
1708 	// 	packet->m_pkthdr.rcvif = Ifnet();
1710 	// Find handler and let it parse the packet.
1712 	// the handler might be upped by this packet.
1724 		result = protocol->Receive(packet, protocolNumber);
1733 	// maybe the parent interface can handle the packet
1735 		return Parent()->Receive(packet, protocolNumber);
1738 		gBufferModule->free(packet);
1741 		StateMachine().RUCEvent(packet, protocolNumber);
1747 /*!	\brief Receives a base PPP packet from the device.
1749 	KPPPDevice should call this method when it receives a packet. \n
1752 	\param packet The packet.
1757 		- \c PPP_REJECTED: No protocol handler could be found for this packet.
1758 		- \c PPP_DISCARDED: The protocol handler(s) did not handle this packet.
1761 KPPPInterface::ReceiveFromDevice(net_buffer *packet)
1765 	if (!packet)
1769 		gBufferModule->free(packet);
1773 	uint32 length = packet->size;
1775 	NetBufferHeaderReader<uint16> bufferHeader(packet);
1788 		NetBufferPrepend<uint8> bufferprepend(packet);
1790 			gBufferModule->free(packet);
1804 	return Receive(packet, protocolNumber);