--- openflow-2013-01-04.h	2015-07-23 09:54:17.220479365 -0700
+++ openflow-2012-12-19.h	2015-07-23 09:54:17.224479365 -0700
@@ -215,7 +215,7 @@
 /* Switch configuration. */
 struct ofp_switch_config {
     struct ofp_header header;
-    uint16_t flags;             /* OFPC_* flags. */
+    uint16_t flags;             /* Bitmap of OFPC_* flags. */
     uint16_t miss_send_len;     /* Max bytes of packet that datapath
                                    should send to the controller. See
                                    ofp_controller_max_len for valid values.
@@ -1179,7 +1179,7 @@
                                      matching entries to include this as an
                                      output group.  A value of OFPG_ANY
                                      indicates no restriction. */
-    uint16_t flags;               /* One of OFPFF_*. */
+    uint16_t flags;               /* Bitmap of OFPFF_* flags. */
     uint8_t pad[2];
     struct ofp_match match;       /* Fields to match. Variable size. */
     /* The variable size and padded match is always followed by instructions. */
@@ -1404,7 +1404,7 @@
 struct ofp_meter_mod {
     struct ofp_header	header;
     uint16_t            command;        /* One of OFPMC_*. */
-    uint16_t            flags;          /* One of OFPMF_*. */
+    uint16_t            flags;          /* Bitmap of OFPMF_* flags. */
     uint32_t            meter_id;       /* Meter instance. */
     struct ofp_meter_band_header bands[0]; /* The band list length is
                                            inferred from the length field
@@ -1828,7 +1828,7 @@
     uint16_t priority;        /* Priority of the entry. */
     uint16_t idle_timeout;    /* Number of seconds idle before expiration. */
     uint16_t hard_timeout;    /* Number of seconds before expiration. */
-    uint16_t flags;           /* One of OFPFF_*. */
+    uint16_t flags;           /* Bitmap of OFPFF_* flags. */
     uint8_t pad2[4];          /* Align to 64-bits. */
     uint64_t cookie;          /* Opaque controller-issued identifier. */
     uint64_t packet_count;    /* Number of packets in flow. */