From 34f7bb31eb213bfb775d82d685f3c1af90e75a28 Mon Sep 17 00:00:00 2001 From: Saurav Das <saurav.das@bigswitch.com> Date: Fri, 1 Mar 2013 09:31:42 -0800 Subject: [PATCH] Small bug fixes in link discovery --- .../linkdiscovery/internal/LinkDiscoveryManager.java | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/src/main/java/net/floodlightcontroller/linkdiscovery/internal/LinkDiscoveryManager.java b/src/main/java/net/floodlightcontroller/linkdiscovery/internal/LinkDiscoveryManager.java index 1b321a99c..53cbb3ac8 100644 --- a/src/main/java/net/floodlightcontroller/linkdiscovery/internal/LinkDiscoveryManager.java +++ b/src/main/java/net/floodlightcontroller/linkdiscovery/internal/LinkDiscoveryManager.java @@ -595,9 +595,9 @@ public class LinkDiscoveryManager implements IOFMessageListener, if (!isIncomingDiscoveryAllowed(sw, inPort, isStandard)) return Command.STOP; - // If this is a malformed LLDP, or not from us, exit + // If this is a malformed LLDP exit if (lldp.getPortId() == null || lldp.getPortId().getLength() != 3) { - return Command.CONTINUE; + return Command.STOP; } long myId = ByteBuffer.wrap(controllerTLV.getValue()).getLong(); @@ -636,8 +636,7 @@ public class LinkDiscoveryManager implements IOFMessageListener, if (myLLDP == false) { // This is not the LLDP sent by this controller. // If the LLDP message has multicast bit set, then we need to - // broadcast - // the packet as a regular packet. + // broadcast the packet as a regular packet (after checking IDs) if (isStandard) { if (log.isTraceEnabled()) { log.trace("Got a standard LLDP=[{}]. Not fowarding it.", lldp.toString()); @@ -650,6 +649,7 @@ public class LinkDiscoveryManager implements IOFMessageListener, } return Command.CONTINUE; } + return Command.STOP; } if (remoteSwitch == null) { -- GitLab