* Added LLC support for ARP and IPv6 decoding.

decode/llc_packet.js

@@ -1,4 +1,6 @@
 var IPv4 = require("./ipv4");
+var IPv6 = require("./ipv6");
+var ARP = require("./arp");
 
 function LogicalLinkControl(emitter) {
  this.emitter = emitter;
@@ -28,10 +30,21 @@ LogicalLinkControl.prototype.decode = function (raw_packet, offset) {
  ];
  this.type = raw_packet.readUInt16BE(offset); offset += 2;
 
- switch (this.type) {
- case 0x0800: // IPv4
- this.payload = new IPv4(this.emitter).decode(raw_packet, offset);
- break;
+ if (this.ethertype < 1536) {
+ // this packet is actually some 802.3 type without an ethertype
+ this.ethertype = 0;
+ } else {
+ switch (this.type) {
+ case 0x0800: // IPv4
+ this.payload = new IPv4(this.emitter).decode(raw_packet, offset);
+ break;
+ case 0x0806: // ARP
+ this.payload = new ARP(this.emitter).decode(raw_packet, offset);
+ break;
+ case 0x86dd: // IPv6
+ this.payload = new IPv6(this.emitter).decode(raw_packet, offset);
+ break;
+ }
  }
  } else {
  this._error = "Unknown LLC types: DSAP: " + this.dsap + ", SSAP: " + this.ssap;