Updates to some reply/request pairs

Starting to follow the convention that all set operations come in
request/reply pairs with a status code in the reply.
diff --git a/openflow_input/bsn_bw b/openflow_input/bsn_bw
index 830908f..b6e0972 100644
--- a/openflow_input/bsn_bw
+++ b/openflow_input/bsn_bw
@@ -30,7 +30,7 @@
 
 #version any
 
-struct ofp_bsn_bw_enable_set {
+struct ofp_bsn_bw_enable_set_request {
     uint8_t version;
     uint8_t type;           // OFPT_VENDOR
     uint16_t length;
@@ -40,6 +40,17 @@
     uint32_t enable;        // 0 to disable the extension, 1 to enable it
 };
 
+struct ofp_bsn_bw_enable_set_reply {
+    uint8_t version;
+    uint8_t type;           // OFPT_VENDOR
+    uint16_t length;
+    uint32_t xid;
+    uint32_t experimenter;  // OF_EXPERIMENTER_ID_BSN
+    uint32_t subtype;       // BSN_BW_ENABLE_SET
+    uint32_t enable;        // Resulting state, 0 disabled, 1 enabled
+    uint32_t status;        // Result code: 0 success
+};
+
 struct ofp_bsn_bw_enable_get_request {
     uint8_t version;
     uint8_t type;           // OFPT_VENDOR
@@ -59,7 +70,7 @@
     uint32_t enabled;       // 0 if feature is disabled; 1 if feature enabled
 };
 
-struct ofp_bsn_bw_clear_data {
+struct ofp_bsn_bw_clear_data_request {
     uint8_t version;
     uint8_t type;           // OFPT_VENDOR
     uint16_t length;
@@ -67,3 +78,13 @@
     uint32_t experimenter;  // OF_EXPERIMENTER_ID_BSN
     uint32_t subtype;       // BSN_BW_CLEAR_DATA
 };
+
+struct ofp_bsn_bw_clear_data_reply {
+    uint8_t version;
+    uint8_t type;           // OFPT_VENDOR
+    uint16_t length;
+    uint32_t xid;
+    uint32_t experimenter;  // OF_EXPERIMENTER_ID_BSN
+    uint32_t subtype;       // BSN_BW_CLEAR_DATA
+    uint32_t status;        // Result code, 0 success
+};