From 3cfbc53754ec7f1456a218cf384a72125116cf63 Mon Sep 17 00:00:00 2001
From: Ivan Loskutov <ivan.loskutov@rnd.stcnet.ru>
Date: Mon, 26 Mar 2012 13:18:28 +0400
Subject: [PATCH] Extend nic_bridge to support internal traffic Fixes #156

---
 os/src/server/nic_bridge/component.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/os/src/server/nic_bridge/component.cc b/os/src/server/nic_bridge/component.cc
index 52f3a4287..b713da43e 100644
--- a/os/src/server/nic_bridge/component.cc
+++ b/os/src/server/nic_bridge/component.cc
@@ -55,7 +55,12 @@ bool Session_component::Tx_handler::handle_arp(Ethernet_frame *eth, Genode::size
 		new (eth->data()) Arp_packet(size - sizeof(Ethernet_frame));
 	if (arp->ethernet_ipv4() &&
 		arp->opcode() == Arp_packet::REQUEST) {
-		arp->src_mac(_mac);
+		Ipv4_address_node *node = Vlan::vlan()->ip_tree()->first();
+		if (node)
+			node = node->find_by_address(arp->dst_ip());
+		if (!node) {
+			arp->src_mac(_mac);
+		}
 	}
 	return true;
 }