3056c718c8
After announcing the NIC service, the bridge connects to the driver to ensure to see any incoming traffic in case the client itself only reacts on connects from LAN (e.g., the netperf server). Also, some styling issues were fixed.
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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* \brief Proxy-ARP for Nic-session
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* \author Stefan Kalkowski
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* \date 2010-08-18
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*/
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/*
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* Copyright (C) 2010-2013 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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/* Genode */
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#include <base/env.h>
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#include <cap_session/connection.h>
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#include <nic_session/connection.h>
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#include <nic/packet_allocator.h>
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#include <nic/xml_node.h>
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#include <os/config.h>
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/* local includes */
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#include "component.h"
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#include "nic.h"
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#include "env.h"
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int main(int, char **)
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{
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using namespace Genode;
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/* read MAC address prefix from config file */
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try {
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Nic::Mac_address mac;
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Genode::config()->xml_node().attribute("mac").value(&mac);
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Genode::memcpy(&Net::Mac_allocator::mac_addr_base, &mac,
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sizeof(Net::Mac_allocator::mac_addr_base));
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} catch(...) {}
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try {
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enum { STACK_SIZE = 1024*sizeof(Genode::addr_t) };
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static Cap_connection cap;
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static Rpc_entrypoint ep(&cap, STACK_SIZE, "nic_bridge_ep");
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static Net::Root nic_root(&ep, env()->heap());
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/* announce NIC service */
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env()->parent()->announce(ep.manage(&nic_root));
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/* connect to NIC backend to actually see incoming traffic */
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Net::Ethernet_frame::Mac_address mac(Net::Env::nic()->mac());
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printf("--- NIC bridge started (mac=%02x:%02x:%02x:%02x:%02x:%02x) ---\n",
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mac.addr[0], mac.addr[1], mac.addr[2],
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mac.addr[3], mac.addr[4], mac.addr[5]);
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while (true) {
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Signal s = Net::Env::receiver()->wait_for_signal();
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static_cast<Signal_dispatcher_base *>(s.context())->dispatch(s.num());
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}
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} catch (Parent::Service_denied) {
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PERR("Could not connect to uplink NIC");
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}
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return 0;
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}
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