1 files changed, 15 insertions, 0 deletions
diff --git a/src/dev/etherpkt.hh b/src/dev/etherpkt.hh
index acda9fb47..0d8998b1d 100644
--- a/src/dev/etherpkt.hh
+++ b/src/dev/etherpkt.hh
@@ -71,8 +71,23 @@ class EthPacketData
     ~EthPacketData() { if (data) delete [] data; }
 
   public:
+    /**
+     * This function pulls out the MAC source and destination addresses from
+     * the packet data and stores them in the caller specified buffers.
+     *
+     * @param src_addr The buffer to store the source MAC address.
+     * @param dst_addr The buffer to store the destination MAC address.
+     * @param length This is an inout parameter. The caller stores in this
+     * the size of the address buffers. On return, this will contain the
+     * actual address size stored in the buffers. (We assume that source
+     * address size is equal to that of the destination address.)
+     */
+    void packAddress(uint8_t *src_addr, uint8_t *dst_addr, unsigned &length);
+
     void serialize(const std::string &base, CheckpointOut &cp) const;
     void unserialize(const std::string &base, CheckpointIn &cp);
+
+    unsigned size() const { return length; }
 };
 
 typedef std::shared_ptr<EthPacketData> EthPacketPtr;