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66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
/*
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* \brief Interface definition for packet-stream transmission channel
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* \author Norman Feske
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* \date 2010-03-01
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*/
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/*
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* Copyright (C) 2010-2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__PACKET_STREAM_TX__PACKET_STREAM_TX_H_
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#define _INCLUDE__PACKET_STREAM_TX__PACKET_STREAM_TX_H_
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#include <os/packet_stream.h>
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#include <base/rpc.h>
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namespace Packet_stream_tx {
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template <typename PACKET_STREAM_POLICY>
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struct Channel
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{
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typedef Packet_stream_source<PACKET_STREAM_POLICY> Source;
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typedef Packet_stream_sink<PACKET_STREAM_POLICY> Sink;
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/**
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* Request transmission interface
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*
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* This function enables the client-side use of the 'Channel' using
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* the abstract 'Channel' interface only. This is useful in cases
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* where both source and sink of the 'Channel' are co-located in
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* one program. At the server side of the 'Channel', this function
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* has no meaning.
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*/
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virtual Source *source() { return 0; }
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/**
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* Register signal handler for receiving 'ready_to_submit' signals
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*/
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virtual void sigh_ready_to_submit(Genode::Signal_context_capability sigh) = 0;
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/**
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* Register signal handler for receiving 'ack_avail' signals
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*/
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virtual void sigh_ack_avail(Genode::Signal_context_capability sigh) = 0;
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/*******************
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** RPC interface **
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*******************/
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GENODE_RPC(Rpc_dataspace, Genode::Dataspace_capability, dataspace);
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GENODE_RPC(Rpc_ack_avail, void, sigh_ack_avail, Genode::Signal_context_capability);
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GENODE_RPC(Rpc_ready_to_submit, void, sigh_ready_to_submit, Genode::Signal_context_capability);
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GENODE_RPC(Rpc_ready_to_ack, Genode::Signal_context_capability, sigh_ready_to_ack);
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GENODE_RPC(Rpc_packet_avail, Genode::Signal_context_capability, sigh_packet_avail);
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GENODE_RPC_INTERFACE(Rpc_dataspace, Rpc_ack_avail, Rpc_ready_to_submit,
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Rpc_ready_to_ack, Rpc_packet_avail);
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};
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}
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#endif /* _INCLUDE__PACKET_STREAM_TX__PACKET_STREAM_TX_H_ */
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