diff --git a/master/ethernet.c b/master/ethernet.c
index fd3e679b..0eb0e964 100644
--- a/master/ethernet.c
+++ b/master/ethernet.c
@@ -320,7 +320,7 @@ int ec_eoe_send(ec_eoe_t *eoe /**< EoE handler */)
     if (IS_ERR(data))
         return PTR_ERR(data);
 
-    EC_WRITE_U8 (data, EC_EOE_FRAMETYPE_FRAG_REQ);
+    EC_WRITE_U8 (data, EC_EOE_FRAMETYPE_INIT_REQ); // Initiate EoE Request
     EC_WRITE_U8 (data + 1, last_fragment);
     EC_WRITE_U16(data + 2, ((eoe->tx_fragment_number & 0x3F) |
                             (complete_offset & 0x3F) << 6 |
@@ -507,7 +507,7 @@ void ec_eoe_state_rx_fetch(ec_eoe_t *eoe /**< EoE handler */)
 
     frame_type = EC_READ_U16(data) & 0x000F;
 
-    if (frame_type != EC_EOE_FRAMETYPE_FRAG_REQ) {
+    if (frame_type != EC_EOE_FRAMETYPE_INIT_REQ) { // EoE Fragment Data
 #if EOE_DEBUG_LEVEL >= 1
         EC_SLAVE_WARN(eoe->slave, "%s: Other frame received."
                 " Dropping.\n", eoe->dev->name);
diff --git a/master/ethernet.h b/master/ethernet.h
index eab353ec..024ec9a3 100644
--- a/master/ethernet.h
+++ b/master/ethernet.h
@@ -55,11 +55,11 @@
 /** EoE frame types.
  */
 enum {
-    EC_EOE_FRAMETYPE_FRAG_REQ = 0x00, /** EoE Fragment Request. */
-    EC_EOE_FRAMETYPE_INIT_REQ = 0x02, /** Initiate EoE Request. */
-    EC_EOE_FRAMETYPE_INIT_RES = 0x03, /** Initiate EoE Response. */
-    EC_EOE_FRAMETYPE_FILT_REQ = 0x04, /** Set Address Filter Request. */
-    EC_EOE_FRAMETYPE_FILT_RES = 0x05, /** Set Address Filter Response. */
+    EC_EOE_FRAMETYPE_INIT_REQ =   0x00, /** Initiate EoE Request. */
+    EC_EOE_FRAMETYPE_SET_IP_REQ = 0x02, /** Set IP Parameter Request. */
+    EC_EOE_FRAMETYPE_SET_IP_RES = 0x03, /** Set IP Parameter Response. */
+    EC_EOE_FRAMETYPE_FILT_REQ =   0x04, /** Set Address Filter Request. */
+    EC_EOE_FRAMETYPE_FILT_RES =   0x05, /** Set Address Filter Response. */
 };
 
 /*****************************************************************************/