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Some TRACE improvements and comment revs.

Adam Ierymenko преди 11 години
родител
ревизия
5d467f0f45
променени са 3 файла, в които са добавени 4 реда и са изтрити 2 реда
  1. 1 1
      node/Constants.hpp
  2. 1 1
      node/MAC.hpp
  3. 2 0
      node/Switch.cpp

+ 1 - 1
node/Constants.hpp

@@ -133,7 +133,7 @@ error_no_byte_order_defined;
 #define ZT_UDP_DEFAULT_PAYLOAD_MTU 1444
 
 /**
- * MTU used for Ethernet tap device
+ * Default MTU used for Ethernet tap device
  *
  * This is pretty much an unchangeable global constant. To make it change
  * across nodes would require logic to send ICMP packet too big messages,

+ 1 - 1
node/MAC.hpp

@@ -224,7 +224,7 @@ public:
 		throw()
 	{
 		unsigned char a = ((unsigned char)(nwid & 0xfe) | 0x02); // locally administered, not multicast, from LSB of network ID
-		return ((a == 0x52) ? 0x32 : a); // blacklist 0x52 since it's used by KVM
+		return ((a == 0x52) ? 0x32 : a); // blacklist 0x52 since it's used by KVM, libvirt, and other popular virtualization engines... seems de-facto standard on Linux
 	}
 
 	/**

+ 2 - 0
node/Switch.cpp

@@ -141,6 +141,8 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
 			return;
 		}
 
+		TRACE("%s: MULTICAST %s -> %s %s %d",network->tapDeviceName().c_str(),from.toString().c_str(),mg.toString().c_str(),etherTypeName(etherType),(int)data.size());
+
 		const unsigned int mcid = ++_multicastIdCounter & 0xffffff;
 		const uint16_t bloomNonce = (uint16_t)(_r->prng->next32() & 0xffff); // doesn't need to be cryptographically strong
 		unsigned char bloom[ZT_PROTO_VERB_MULTICAST_FRAME_LEN_PROPAGATION_BLOOM];