Implement OpenFlow 1.4+ OFPMP_TABLE_DESC message.
[cascardo/ovs.git] / lib / ofp-print.c
index cafc665..4603bb7 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
 #include "netdev.h"
 #include "nx-match.h"
 #include "ofp-actions.h"
+#include "ofpbuf.h"
 #include "ofp-errors.h"
 #include "ofp-msgs.h"
 #include "ofp-util.h"
-#include "ofpbuf.h"
 #include "openflow/openflow.h"
 #include "openflow/nicira-ext.h"
 #include "packets.h"
-#include "pcap.h"
+#include "dp-packet.h"
 #include "type-props.h"
 #include "unaligned.h"
+#include "odp-util.h"
 #include "util.h"
 
 static void ofp_print_queue_name(struct ds *string, uint32_t port);
 static void ofp_print_error(struct ds *, enum ofperr);
-
+static void ofp_print_table_features(struct ds *,
+                                     const struct ofputil_table_features *,
+                                     const struct ofputil_table_stats *);
 
 /* Returns a string that represents the contents of the Ethernet frame in the
  * 'len' bytes starting at 'data'.  The caller must free the returned string.*/
@@ -59,23 +62,34 @@ char *
 ofp_packet_to_string(const void *data, size_t len)
 {
     struct ds ds = DS_EMPTY_INITIALIZER;
-    struct ofpbuf buf;
+    struct dp_packet buf;
     struct flow flow;
+    size_t l4_size;
 
-    ofpbuf_use_const(&buf, data, len);
-    flow_extract(&buf, 0, NULL, 0, &flow);
+    dp_packet_use_const(&buf, data, len);
+    flow_extract(&buf, &flow);
     flow_format(&ds, &flow);
 
-    if (buf.l7) {
-        if (flow.nw_proto == IPPROTO_TCP) {
-            struct tcp_header *th = buf.l4;
-            ds_put_format(&ds, " tcp_csum:%"PRIx16,
-                          ntohs(th->tcp_csum));
-        } else if (flow.nw_proto == IPPROTO_UDP) {
-            struct udp_header *uh = buf.l4;
-            ds_put_format(&ds, " udp_csum:%"PRIx16,
-                          ntohs(uh->udp_csum));
-        }
+    l4_size = dp_packet_l4_size(&buf);
+
+    if (flow.nw_proto == IPPROTO_TCP && l4_size >= TCP_HEADER_LEN) {
+        struct tcp_header *th = dp_packet_l4(&buf);
+        ds_put_format(&ds, " tcp_csum:%"PRIx16, ntohs(th->tcp_csum));
+    } else if (flow.nw_proto == IPPROTO_UDP && l4_size >= UDP_HEADER_LEN) {
+        struct udp_header *uh = dp_packet_l4(&buf);
+        ds_put_format(&ds, " udp_csum:%"PRIx16, ntohs(uh->udp_csum));
+    } else if (flow.nw_proto == IPPROTO_SCTP && l4_size >= SCTP_HEADER_LEN) {
+        struct sctp_header *sh = dp_packet_l4(&buf);
+        ds_put_format(&ds, " sctp_csum:%"PRIx32,
+                      ntohl(get_16aligned_be32(&sh->sctp_csum)));
+    } else if (flow.nw_proto == IPPROTO_ICMP && l4_size >= ICMP_HEADER_LEN) {
+        struct icmp_header *icmph = dp_packet_l4(&buf);
+        ds_put_format(&ds, " icmp_csum:%"PRIx16,
+                      ntohs(icmph->icmp_csum));
+    } else if (flow.nw_proto == IPPROTO_ICMPV6 && l4_size >= ICMP6_HEADER_LEN) {
+        struct icmp6_header *icmp6h = dp_packet_l4(&buf);
+        ds_put_format(&ds, " icmp6_csum:%"PRIx16,
+                      ntohs(icmp6h->icmp6_cksum));
     }
 
     ds_put_char(&ds, '\n');
@@ -87,9 +101,9 @@ static void
 ofp_print_packet_in(struct ds *string, const struct ofp_header *oh,
                     int verbosity)
 {
+    char reasonbuf[OFPUTIL_PACKET_IN_REASON_BUFSIZE];
     struct ofputil_packet_in pin;
     int error;
-    int i;
 
     error = ofputil_decode_packet_in(&pin, oh);
     if (error) {
@@ -101,31 +115,19 @@ ofp_print_packet_in(struct ds *string, const struct ofp_header *oh,
         ds_put_format(string, " table_id=%"PRIu8, pin.table_id);
     }
 
-    if (pin.cookie) {
+    if (pin.cookie != OVS_BE64_MAX) {
         ds_put_format(string, " cookie=0x%"PRIx64, ntohll(pin.cookie));
     }
 
-    ds_put_format(string, " total_len=%"PRIu16" in_port=", pin.total_len);
-    ofputil_format_port(pin.fmd.in_port, string);
-
-    if (pin.fmd.tun_id != htonll(0)) {
-        ds_put_format(string, " tun_id=0x%"PRIx64, ntohll(pin.fmd.tun_id));
-    }
-
-    if (pin.fmd.metadata != htonll(0)) {
-        ds_put_format(string, " metadata=0x%"PRIx64, ntohll(pin.fmd.metadata));
-    }
+    ds_put_format(string, " total_len=%"PRIuSIZE" ", pin.total_len);
 
-    for (i = 0; i < FLOW_N_REGS; i++) {
-        if (pin.fmd.regs[i]) {
-            ds_put_format(string, " reg%d=0x%"PRIx32, i, pin.fmd.regs[i]);
-        }
-    }
+    match_format(&pin.flow_metadata, string, OFP_DEFAULT_PRIORITY);
 
     ds_put_format(string, " (via %s)",
-                  ofputil_packet_in_reason_to_string(pin.reason));
+                  ofputil_packet_in_reason_to_string(pin.reason, reasonbuf,
+                                                     sizeof reasonbuf));
 
-    ds_put_format(string, " data_len=%zu", pin.packet_len);
+    ds_put_format(string, " data_len=%"PRIuSIZE, pin.packet_len);
     if (pin.buffer_id == UINT32_MAX) {
         ds_put_format(string, " (unbuffered)");
         if (pin.total_len != pin.packet_len) {
@@ -144,6 +146,9 @@ ofp_print_packet_in(struct ds *string, const struct ofp_header *oh,
         ds_put_cstr(string, packet);
         free(packet);
     }
+    if (verbosity > 2) {
+        ds_put_hex_dump(string, pin.packet, pin.packet_len, 0, false);
+    }
 }
 
 static void
@@ -165,21 +170,23 @@ ofp_print_packet_out(struct ds *string, const struct ofp_header *oh,
     ds_put_cstr(string, " in_port=");
     ofputil_format_port(po.in_port, string);
 
-    ds_put_char(string, ' ');
+    ds_put_cstr(string, " actions=");
     ofpacts_format(po.ofpacts, po.ofpacts_len, string);
 
     if (po.buffer_id == UINT32_MAX) {
-        ds_put_format(string, " data_len=%zu", po.packet_len);
+        ds_put_format(string, " data_len=%"PRIuSIZE, po.packet_len);
         if (verbosity > 0 && po.packet_len > 0) {
             char *packet = ofp_packet_to_string(po.packet, po.packet_len);
             ds_put_char(string, '\n');
             ds_put_cstr(string, packet);
             free(packet);
         }
+        if (verbosity > 2) {
+            ds_put_hex_dump(string, po.packet, po.packet_len, 0, false);
+        }
     } else {
         ds_put_format(string, " buffer=0x%08"PRIx32, po.buffer_id);
     }
-    ds_put_char(string, '\n');
 
     ofpbuf_uninit(&ofpacts);
 }
@@ -190,8 +197,8 @@ compare_ports(const void *a_, const void *b_)
 {
     const struct ofputil_phy_port *a = a_;
     const struct ofputil_phy_port *b = b_;
-    uint16_t ap = a->port_no;
-    uint16_t bp = b->port_no;
+    uint16_t ap = ofp_to_u16(a->port_no);
+    uint16_t bp = ofp_to_u16(b->port_no);
 
     return ap < bp ? -1 : ap > bp;
 }
@@ -395,28 +402,33 @@ static void
 ofp_print_phy_ports(struct ds *string, uint8_t ofp_version,
                     struct ofpbuf *b)
 {
-    size_t n_ports;
     struct ofputil_phy_port *ports;
-    enum ofperr error;
+    size_t allocated_ports, n_ports;
+    int retval;
     size_t i;
 
-    n_ports = ofputil_count_phy_ports(ofp_version, b);
+    ports = NULL;
+    allocated_ports = 0;
+    for (n_ports = 0; ; n_ports++) {
+        if (n_ports >= allocated_ports) {
+            ports = x2nrealloc(ports, &allocated_ports, sizeof *ports);
+        }
 
-    ports = xmalloc(n_ports * sizeof *ports);
-    for (i = 0; i < n_ports; i++) {
-        error = ofputil_pull_phy_port(ofp_version, b, &ports[i]);
-        if (error) {
-            ofp_print_error(string, error);
-            goto exit;
+        retval = ofputil_pull_phy_port(ofp_version, b, &ports[n_ports]);
+        if (retval) {
+            break;
         }
     }
+
     qsort(ports, n_ports, sizeof *ports, compare_ports);
     for (i = 0; i < n_ports; i++) {
         ofp_print_phy_port(string, &ports[i]);
     }
-
-exit:
     free(ports);
+
+    if (retval != EOF) {
+        ofp_print_error(string, retval);
+    }
 }
 
 static const char *
@@ -439,45 +451,6 @@ ofputil_capabilities_to_name(uint32_t bit)
     return NULL;
 }
 
-static const char *
-ofputil_action_bitmap_to_name(uint32_t bit)
-{
-    enum ofputil_action_bitmap action = bit;
-
-    switch (action) {
-    case OFPUTIL_A_OUTPUT:         return "OUTPUT";
-    case OFPUTIL_A_SET_VLAN_VID:   return "SET_VLAN_VID";
-    case OFPUTIL_A_SET_VLAN_PCP:   return "SET_VLAN_PCP";
-    case OFPUTIL_A_STRIP_VLAN:     return "STRIP_VLAN";
-    case OFPUTIL_A_SET_DL_SRC:     return "SET_DL_SRC";
-    case OFPUTIL_A_SET_DL_DST:     return "SET_DL_DST";
-    case OFPUTIL_A_SET_NW_SRC:     return "SET_NW_SRC";
-    case OFPUTIL_A_SET_NW_DST:     return "SET_NW_DST";
-    case OFPUTIL_A_SET_NW_ECN:     return "SET_NW_ECN";
-    case OFPUTIL_A_SET_NW_TOS:     return "SET_NW_TOS";
-    case OFPUTIL_A_SET_TP_SRC:     return "SET_TP_SRC";
-    case OFPUTIL_A_SET_TP_DST:     return "SET_TP_DST";
-    case OFPUTIL_A_SET_FIELD:      return "SET_FIELD";
-    case OFPUTIL_A_ENQUEUE:        return "ENQUEUE";
-    case OFPUTIL_A_COPY_TTL_OUT:   return "COPY_TTL_OUT";
-    case OFPUTIL_A_COPY_TTL_IN:    return "COPY_TTL_IN";
-    case OFPUTIL_A_SET_MPLS_LABEL: return "SET_MPLS_LABEL";
-    case OFPUTIL_A_SET_MPLS_TC:    return "SET_MPLS_TC";
-    case OFPUTIL_A_SET_MPLS_TTL:   return "SET_MPLS_TTL";
-    case OFPUTIL_A_DEC_MPLS_TTL:   return "DEC_MPLS_TTL";
-    case OFPUTIL_A_PUSH_VLAN:      return "PUSH_VLAN";
-    case OFPUTIL_A_POP_VLAN:       return "POP_VLAN";
-    case OFPUTIL_A_PUSH_MPLS:      return "PUSH_MPLS";
-    case OFPUTIL_A_POP_MPLS:       return "POP_MPLS";
-    case OFPUTIL_A_SET_QUEUE:      return "SET_QUEUE";
-    case OFPUTIL_A_GROUP:          return "GROUP";
-    case OFPUTIL_A_SET_NW_TTL:     return "SET_NW_TTL";
-    case OFPUTIL_A_DEC_NW_TTL:     return "DEC_NW_TTL";
-    }
-
-    return NULL;
-}
-
 static void
 ofp_print_switch_features(struct ds *string, const struct ofp_header *oh)
 {
@@ -492,8 +465,13 @@ ofp_print_switch_features(struct ds *string, const struct ofp_header *oh)
     }
 
     ds_put_format(string, " dpid:%016"PRIx64"\n", features.datapath_id);
-    ds_put_format(string, "n_tables:%"PRIu8", n_buffers:%"PRIu32"\n",
+
+    ds_put_format(string, "n_tables:%"PRIu8", n_buffers:%"PRIu32,
                   features.n_tables, features.n_buffers);
+    if (features.auxiliary_id) {
+        ds_put_format(string, ", auxiliary_id:%"PRIu8, features.auxiliary_id);
+    }
+    ds_put_char(string, '\n');
 
     ds_put_cstr(string, "capabilities: ");
     ofp_print_bit_names(string, features.capabilities,
@@ -503,15 +481,18 @@ ofp_print_switch_features(struct ds *string, const struct ofp_header *oh)
     switch ((enum ofp_version)oh->version) {
     case OFP10_VERSION:
         ds_put_cstr(string, "actions: ");
-        ofp_print_bit_names(string, features.actions,
-                            ofputil_action_bitmap_to_name, ' ');
+        ofpact_bitmap_format(features.ofpacts, string);
         ds_put_char(string, '\n');
         break;
     case OFP11_VERSION:
     case OFP12_VERSION:
         break;
+    case OFP13_VERSION:
+    case OFP14_VERSION:
+    case OFP15_VERSION:
+        return; /* no ports in ofp13_switch_features */
     default:
-        NOT_REACHED();
+        OVS_NOT_REACHED();
     }
 
     ofp_print_phy_ports(string, oh->version, &b);
@@ -541,7 +522,7 @@ ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
 
 static void print_wild(struct ds *string, const char *leader, int is_wild,
             int verbosity, const char *format, ...)
-            __attribute__((format(printf, 5, 6)));
+            OVS_PRINTF_FORMAT(5, 6);
 
 static void print_wild(struct ds *string, const char *leader, int is_wild,
                        int verbosity, const char *format, ...)
@@ -562,6 +543,22 @@ static void print_wild(struct ds *string, const char *leader, int is_wild,
     ds_put_char(string, ',');
 }
 
+static void
+print_wild_port(struct ds *string, const char *leader, int is_wild,
+                int verbosity, ofp_port_t port)
+{
+    if (is_wild && verbosity < 2) {
+        return;
+    }
+    ds_put_cstr(string, leader);
+    if (!is_wild) {
+        ofputil_format_port(port, string);
+    } else {
+        ds_put_char(string, '*');
+    }
+    ds_put_char(string, ',');
+}
+
 static void
 print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
                  uint32_t wild_bits, int verbosity)
@@ -571,7 +568,7 @@ print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
     }
     ds_put_cstr(string, leader);
     if (wild_bits < 32) {
-        ds_put_format(string, IP_FMT, IP_ARGS(&ip));
+        ds_put_format(string, IP_FMT, IP_ARGS(ip));
         if (wild_bits) {
             ds_put_format(string, "/%d", 32 - wild_bits);
         }
@@ -608,6 +605,8 @@ ofp10_match_to_string(const struct ofp10_match *om, int verbosity)
                     ds_put_cstr(&f, "tcp,");
                 } else if (om->nw_proto == IPPROTO_UDP) {
                     ds_put_cstr(&f, "udp,");
+                } else if (om->nw_proto == IPPROTO_SCTP) {
+                    ds_put_cstr(&f, "sctp,");
                 } else {
                     ds_put_cstr(&f, "ip,");
                     skip_proto = false;
@@ -619,12 +618,16 @@ ofp10_match_to_string(const struct ofp10_match *om, int verbosity)
             ds_put_cstr(&f, "arp,");
         } else if (om->dl_type == htons(ETH_TYPE_RARP)){
             ds_put_cstr(&f, "rarp,");
+        } else if (om->dl_type == htons(ETH_TYPE_MPLS)) {
+            ds_put_cstr(&f, "mpls,");
+        } else if (om->dl_type == htons(ETH_TYPE_MPLS_MCAST)) {
+            ds_put_cstr(&f, "mplsm,");
         } else {
             skip_type = false;
         }
     }
-    print_wild(&f, "in_port=", w & OFPFW10_IN_PORT, verbosity,
-               "%d", ntohs(om->in_port));
+    print_wild_port(&f, "in_port=", w & OFPFW10_IN_PORT, verbosity,
+                    u16_to_ofp(ntohs(om->in_port)));
     print_wild(&f, "dl_vlan=", w & OFPFW10_DL_VLAN, verbosity,
                "%d", ntohs(om->dl_vlan));
     print_wild(&f, "dl_vlan_pcp=", w & OFPFW10_DL_VLAN_PCP, verbosity,
@@ -666,12 +669,36 @@ ofp10_match_to_string(const struct ofp10_match *om, int verbosity)
         print_wild(&f, "tp_dst=", w & OFPFW10_TP_DST, verbosity,
                    "%d", ntohs(om->tp_dst));
     }
-    if (ds_last(&f) == ',') {
-        f.length--;
-    }
+    ds_chomp(&f, ',');
     return ds_cstr(&f);
 }
 
+static void
+ofp_print_flow_flags(struct ds *s, enum ofputil_flow_mod_flags flags)
+{
+    if (flags & OFPUTIL_FF_SEND_FLOW_REM) {
+        ds_put_cstr(s, "send_flow_rem ");
+    }
+    if (flags & OFPUTIL_FF_CHECK_OVERLAP) {
+        ds_put_cstr(s, "check_overlap ");
+    }
+    if (flags & OFPUTIL_FF_RESET_COUNTS) {
+        ds_put_cstr(s, "reset_counts ");
+    }
+    if (flags & OFPUTIL_FF_NO_PKT_COUNTS) {
+        ds_put_cstr(s, "no_packet_counts ");
+    }
+    if (flags & OFPUTIL_FF_NO_BYT_COUNTS) {
+        ds_put_cstr(s, "no_byte_counts ");
+    }
+    if (flags & OFPUTIL_FF_HIDDEN_FIELDS) {
+        ds_put_cstr(s, "allow_hidden_fields ");
+    }
+    if (flags & OFPUTIL_FF_NO_READONLY) {
+        ds_put_cstr(s, "no_readonly_table ");
+    }
+}
+
 static void
 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh, int verbosity)
 {
@@ -686,7 +713,8 @@ ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh, int verbosity)
     protocol = ofputil_protocol_set_tid(protocol, true);
 
     ofpbuf_init(&ofpacts, 64);
-    error = ofputil_decode_flow_mod(&fm, oh, protocol, &ofpacts);
+    error = ofputil_decode_flow_mod(&fm, oh, protocol, &ofpacts,
+                                    OFPP_MAX, 255);
     if (error) {
         ofpbuf_uninit(&ofpacts);
         ofp_print_error(s, error);
@@ -746,7 +774,7 @@ ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh, int verbosity)
     if (ds_last(s) != ' ') {
         ds_put_char(s, ' ');
     }
-    if (fm.new_cookie != htonll(0) && fm.new_cookie != htonll(UINT64_MAX)) {
+    if (fm.new_cookie != htonll(0) && fm.new_cookie != OVS_BE64_MAX) {
         ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.new_cookie));
     }
     if (fm.cookie_mask != htonll(0)) {
@@ -759,36 +787,30 @@ ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh, int verbosity)
     if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
         ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
     }
+    if (fm.importance != 0) {
+        ds_put_format(s, "importance:%"PRIu16" ", fm.importance);
+    }
     if (fm.priority != OFP_DEFAULT_PRIORITY && need_priority) {
         ds_put_format(s, "pri:%"PRIu16" ", fm.priority);
     }
     if (fm.buffer_id != UINT32_MAX) {
         ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
     }
-    if (fm.out_port != OFPP_NONE) {
+    if (fm.out_port != OFPP_ANY) {
         ds_put_format(s, "out_port:");
         ofputil_format_port(fm.out_port, s);
         ds_put_char(s, ' ');
     }
-    if (fm.flags != 0) {
-        uint16_t flags = fm.flags;
-
-        if (flags & OFPFF_SEND_FLOW_REM) {
-            ds_put_cstr(s, "send_flow_rem ");
-        }
-        if (flags & OFPFF_CHECK_OVERLAP) {
-            ds_put_cstr(s, "check_overlap ");
-        }
-        if (flags & OFPFF10_EMERG) {
-            ds_put_cstr(s, "emerg ");
-        }
 
-        flags &= ~(OFPFF_SEND_FLOW_REM | OFPFF_CHECK_OVERLAP | OFPFF10_EMERG);
-        if (flags) {
-            ds_put_format(s, "flags:0x%"PRIx16" ", flags);
-        }
+    if (oh->version == OFP10_VERSION || oh->version == OFP11_VERSION) {
+        /* Don't print the reset_counts flag for OF1.0 and OF1.1 because those
+         * versions don't really have such a flag and printing one is likely to
+         * confuse people. */
+        fm.flags &= ~OFPUTIL_FF_RESET_COUNTS;
     }
+    ofp_print_flow_flags(s, fm.flags);
 
+    ds_put_cstr(s, "actions=");
     ofpacts_format(fm.ofpacts, fm.ofpacts_len, s);
     ofpbuf_uninit(&ofpacts);
 }
@@ -797,20 +819,39 @@ static void
 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
 {
     ds_put_format(string, "%u", sec);
+
+    /* If there are no fractional seconds, don't print any decimals.
+     *
+     * If the fractional seconds can be expressed exactly as milliseconds,
+     * print 3 decimals.  Open vSwitch provides millisecond precision for most
+     * time measurements, so printing 3 decimals every time makes it easier to
+     * spot real changes in flow dumps that refresh themselves quickly.
+     *
+     * If the fractional seconds are more precise than milliseconds, print the
+     * number of decimals needed to express them exactly.
+     */
     if (nsec > 0) {
-        ds_put_format(string, ".%09u", nsec);
-        while (string->string[string->length - 1] == '0') {
-            string->length--;
+        unsigned int msec = nsec / 1000000;
+        if (msec * 1000000 == nsec) {
+            ds_put_format(string, ".%03u", msec);
+        } else {
+            ds_put_format(string, ".%09u", nsec);
+            while (string->string[string->length - 1] == '0') {
+                string->length--;
+            }
         }
     }
     ds_put_char(string, 's');
 }
 
+/* Returns a string form of 'reason'.  The return value is either a statically
+ * allocated constant string or the 'bufsize'-byte buffer 'reasonbuf'.
+ * 'bufsize' should be at least OFP_FLOW_REMOVED_REASON_BUFSIZE. */
+#define OFP_FLOW_REMOVED_REASON_BUFSIZE (INT_STRLEN(int) + 1)
 static const char *
-ofp_flow_removed_reason_to_string(enum ofp_flow_removed_reason reason)
+ofp_flow_removed_reason_to_string(enum ofp_flow_removed_reason reason,
+                                  char *reasonbuf, size_t bufsize)
 {
-    static char s[32];
-
     switch (reason) {
     case OFPRR_IDLE_TIMEOUT:
         return "idle";
@@ -822,15 +863,19 @@ ofp_flow_removed_reason_to_string(enum ofp_flow_removed_reason reason)
         return "group_delete";
     case OFPRR_EVICTION:
         return "eviction";
+    case OFPRR_METER_DELETE:
+        return "meter_delete";
+    case OVS_OFPRR_NONE:
     default:
-        sprintf(s, "%d", (int) reason);
-        return s;
+        snprintf(reasonbuf, bufsize, "%d", (int) reason);
+        return reasonbuf;
     }
 }
 
 static void
 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
 {
+    char reasonbuf[OFP_FLOW_REMOVED_REASON_BUFSIZE];
     struct ofputil_flow_removed fr;
     enum ofperr error;
 
@@ -844,7 +889,8 @@ ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
     match_format(&fr.match, string, fr.priority);
 
     ds_put_format(string, " reason=%s",
-                  ofp_flow_removed_reason_to_string(fr.reason));
+                  ofp_flow_removed_reason_to_string(fr.reason, reasonbuf,
+                                                    sizeof reasonbuf));
 
     if (fr.table_id != 255) {
         ds_put_format(string, " table_id=%"PRIu8, fr.table_id);
@@ -871,853 +917,1891 @@ ofp_print_port_mod(struct ds *string, const struct ofp_header *oh)
     struct ofputil_port_mod pm;
     enum ofperr error;
 
-    error = ofputil_decode_port_mod(oh, &pm);
+    error = ofputil_decode_port_mod(oh, &pm, true);
     if (error) {
         ofp_print_error(string, error);
         return;
     }
 
-    ds_put_format(string, "port: %"PRIu16": addr:"ETH_ADDR_FMT"\n",
-                  pm.port_no, ETH_ADDR_ARGS(pm.hw_addr));
+    ds_put_cstr(string, "port: ");
+    ofputil_format_port(pm.port_no, string);
+    ds_put_format(string, ": addr:"ETH_ADDR_FMT"\n",
+                  ETH_ADDR_ARGS(pm.hw_addr));
 
-    ds_put_format(string, "     config: ");
+    ds_put_cstr(string, "     config: ");
     ofp_print_port_config(string, pm.config);
 
-    ds_put_format(string, "     mask:   ");
+    ds_put_cstr(string, "     mask:   ");
     ofp_print_port_config(string, pm.mask);
 
-    ds_put_format(string, "     advertise: ");
+    ds_put_cstr(string, "     advertise: ");
     if (pm.advertise) {
         ofp_print_port_features(string, pm.advertise);
     } else {
-        ds_put_format(string, "UNCHANGED\n");
+        ds_put_cstr(string, "UNCHANGED\n");
     }
 }
 
-static void
-ofp_print_error(struct ds *string, enum ofperr error)
+static const char *
+ofputil_table_miss_to_string(enum ofputil_table_miss miss)
 {
-    if (string->length) {
-        ds_put_char(string, ' ');
+    switch (miss) {
+    case OFPUTIL_TABLE_MISS_DEFAULT: return "default";
+    case OFPUTIL_TABLE_MISS_CONTROLLER: return "controller";
+    case OFPUTIL_TABLE_MISS_CONTINUE: return "continue";
+    case OFPUTIL_TABLE_MISS_DROP: return "drop";
+    default: return "***error***";
     }
-    ds_put_format(string, "***decode error: %s***\n", ofperr_get_name(error));
 }
 
-static void
-ofp_print_error_msg(struct ds *string, const struct ofp_header *oh)
+static const char *
+ofputil_table_eviction_to_string(enum ofputil_table_eviction eviction)
 {
-    size_t len = ntohs(oh->length);
-    struct ofpbuf payload;
-    enum ofperr error;
-    char *s;
+    switch (eviction) {
+    case OFPUTIL_TABLE_EVICTION_DEFAULT: return "default";
+    case OFPUTIL_TABLE_EVICTION_ON: return "on";
+    case OFPUTIL_TABLE_EVICTION_OFF: return "off";
+    default: return "***error***";
+    }
 
-    error = ofperr_decode_msg(oh, &payload);
-    if (!error) {
-        ds_put_cstr(string, "***decode error***");
-        ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
-        return;
+}
+
+static const char *
+ofputil_eviction_flag_to_string(uint32_t bit)
+{
+    enum ofp14_table_mod_prop_eviction_flag eviction_flag = bit;
+
+    switch (eviction_flag) {
+    case OFPTMPEF14_OTHER:      return "OTHER";
+    case OFPTMPEF14_IMPORTANCE: return "IMPORTANCE";
+    case OFPTMPEF14_LIFETIME:   return "LIFETIME";
     }
 
-    ds_put_format(string, " %s\n", ofperr_get_name(error));
+    return NULL;
+}
 
-    if (error == OFPERR_OFPHFC_INCOMPATIBLE || error == OFPERR_OFPHFC_EPERM) {
-        ds_put_printable(string, payload.data, payload.size);
+/* Appends to 'string' a description of the bitmap of OFPTMPEF14_* values in
+ * 'eviction_flags'. */
+static void
+ofputil_put_eviction_flags(struct ds *string, uint32_t eviction_flags)
+{
+    if (eviction_flags != UINT32_MAX) {
+        ofp_print_bit_names(string, eviction_flags,
+                            ofputil_eviction_flag_to_string, '|');
     } else {
-        s = ofp_to_string(payload.data, payload.size, 1);
-        ds_put_cstr(string, s);
-        free(s);
+        ds_put_cstr(string, "(default)");
     }
 }
 
 static void
-ofp_print_port_status(struct ds *string, const struct ofp_header *oh)
+ofp_print_table_mod(struct ds *string, const struct ofp_header *oh)
 {
-    struct ofputil_port_status ps;
+    struct ofputil_table_mod pm;
     enum ofperr error;
 
-    error = ofputil_decode_port_status(oh, &ps);
+    error = ofputil_decode_table_mod(oh, &pm);
     if (error) {
         ofp_print_error(string, error);
         return;
     }
 
-    if (ps.reason == OFPPR_ADD) {
-        ds_put_format(string, " ADD:");
-    } else if (ps.reason == OFPPR_DELETE) {
-        ds_put_format(string, " DEL:");
-    } else if (ps.reason == OFPPR_MODIFY) {
-        ds_put_format(string, " MOD:");
+    if (pm.table_id == 0xff) {
+        ds_put_cstr(string, " table_id: ALL_TABLES");
+    } else {
+        ds_put_format(string, " table_id=%"PRIu8, pm.table_id);
     }
 
-    ofp_print_phy_port(string, &ps.desc);
+    if (pm.miss != OFPUTIL_TABLE_MISS_DEFAULT) {
+        ds_put_format(string, ", flow_miss_config=%s",
+                      ofputil_table_miss_to_string(pm.miss));
+    }
+    if (pm.eviction != OFPUTIL_TABLE_EVICTION_DEFAULT) {
+        ds_put_format(string, ", eviction=%s",
+                      ofputil_table_eviction_to_string(pm.eviction));
+    }
+    if (pm.eviction_flags != UINT32_MAX) {
+        ds_put_cstr(string, "eviction_flags=");
+        ofputil_put_eviction_flags(string, pm.eviction_flags);
+    }
 }
 
+/* This function will print the Table description properties. */
 static void
-ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_header *oh)
+ofp_print_table_desc(struct ds *string, const struct ofputil_table_desc *td)
 {
-    const struct ofp_desc_stats *ods = ofpmsg_body(oh);
-
+    ds_put_format(string, "\n  table %"PRIu8, td->table_id);
+    ds_put_cstr(string, ":\n");
+    ds_put_format(string, "   eviction=%s eviction_flags=",
+                  ofputil_table_eviction_to_string(td->eviction));
+    ofputil_put_eviction_flags(string, td->eviction_flags);
     ds_put_char(string, '\n');
-    ds_put_format(string, "Manufacturer: %.*s\n",
-            (int) sizeof ods->mfr_desc, ods->mfr_desc);
-    ds_put_format(string, "Hardware: %.*s\n",
-            (int) sizeof ods->hw_desc, ods->hw_desc);
-    ds_put_format(string, "Software: %.*s\n",
-            (int) sizeof ods->sw_desc, ods->sw_desc);
-    ds_put_format(string, "Serial Num: %.*s\n",
-            (int) sizeof ods->serial_num, ods->serial_num);
-    ds_put_format(string, "DP Description: %.*s\n",
-            (int) sizeof ods->dp_desc, ods->dp_desc);
 }
 
 static void
-ofp_print_flow_stats_request(struct ds *string, const struct ofp_header *oh)
+ofp_print_queue_get_config_request(struct ds *string,
+                                   const struct ofp_header *oh)
 {
-    struct ofputil_flow_stats_request fsr;
     enum ofperr error;
+    ofp_port_t port;
 
-    error = ofputil_decode_flow_stats_request(&fsr, oh);
+    error = ofputil_decode_queue_get_config_request(oh, &port);
     if (error) {
         ofp_print_error(string, error);
         return;
     }
 
-    if (fsr.table_id != 0xff) {
-        ds_put_format(string, " table=%"PRIu8, fsr.table_id);
-    }
-
-    if (fsr.out_port != OFPP_NONE) {
-        ds_put_cstr(string, " out_port=");
-        ofputil_format_port(fsr.out_port, string);
-    }
-
-    ds_put_char(string, ' ');
-    match_format(&fsr.match, string, OFP_DEFAULT_PRIORITY);
+    ds_put_cstr(string, " port=");
+    ofputil_format_port(port, string);
 }
 
-void
-ofp_print_flow_stats(struct ds *string, struct ofputil_flow_stats *fs)
+static void
+print_queue_rate(struct ds *string, const char *name, unsigned int rate)
 {
-    ds_put_format(string, " cookie=0x%"PRIx64", duration=",
-                  ntohll(fs->cookie));
-
-    ofp_print_duration(string, fs->duration_sec, fs->duration_nsec);
-    ds_put_format(string, ", table=%"PRIu8", ", fs->table_id);
-    ds_put_format(string, "n_packets=%"PRIu64", ", fs->packet_count);
-    ds_put_format(string, "n_bytes=%"PRIu64", ", fs->byte_count);
-    if (fs->idle_timeout != OFP_FLOW_PERMANENT) {
-        ds_put_format(string, "idle_timeout=%"PRIu16", ", fs->idle_timeout);
-    }
-    if (fs->hard_timeout != OFP_FLOW_PERMANENT) {
-        ds_put_format(string, "hard_timeout=%"PRIu16", ", fs->hard_timeout);
+    if (rate <= 1000) {
+        ds_put_format(string, " %s:%u.%u%%", name, rate / 10, rate % 10);
+    } else if (rate < UINT16_MAX) {
+        ds_put_format(string, " %s:(disabled)", name);
     }
-    if (fs->idle_age >= 0) {
-        ds_put_format(string, "idle_age=%d, ", fs->idle_age);
-    }
-    if (fs->hard_age >= 0 && fs->hard_age != fs->duration_sec) {
-        ds_put_format(string, "hard_age=%d, ", fs->hard_age);
-    }
-
-    match_format(&fs->match, string, fs->priority);
-    if (string->string[string->length - 1] != ' ') {
-        ds_put_char(string, ' ');
-    }
-
-    ofpacts_format(fs->ofpacts, fs->ofpacts_len, string);
 }
 
 static void
-ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
+ofp_print_queue_get_config_reply(struct ds *string,
+                                 const struct ofp_header *oh)
 {
-    struct ofpbuf ofpacts;
+    enum ofperr error;
     struct ofpbuf b;
+    ofp_port_t port;
 
     ofpbuf_use_const(&b, oh, ntohs(oh->length));
-    ofpbuf_init(&ofpacts, 64);
+    error = ofputil_decode_queue_get_config_reply(&b, &port);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    ds_put_cstr(string, " port=");
+    ofputil_format_port(port, string);
+    ds_put_char(string, '\n');
+
     for (;;) {
-        struct ofputil_flow_stats fs;
+        struct ofputil_queue_config queue;
         int retval;
 
-        retval = ofputil_decode_flow_stats_reply(&fs, &b, true, &ofpacts);
+        retval = ofputil_pull_queue_get_config_reply(&b, &queue);
         if (retval) {
             if (retval != EOF) {
-                ds_put_cstr(string, " ***parse error***");
+                ofp_print_error(string, retval);
             }
             break;
         }
+
+        ds_put_format(string, "queue %"PRIu32":", queue.queue_id);
+        print_queue_rate(string, "min_rate", queue.min_rate);
+        print_queue_rate(string, "max_rate", queue.max_rate);
         ds_put_char(string, '\n');
-        ofp_print_flow_stats(string, &fs);
-     }
-    ofpbuf_uninit(&ofpacts);
+    }
 }
 
 static void
-ofp_print_aggregate_stats_reply(struct ds *string, const struct ofp_header *oh)
+ofp_print_meter_flags(struct ds *s, uint16_t flags)
 {
-    struct ofputil_aggregate_stats as;
-    enum ofperr error;
+    if (flags & OFPMF13_KBPS) {
+        ds_put_cstr(s, "kbps ");
+    }
+    if (flags & OFPMF13_PKTPS) {
+        ds_put_cstr(s, "pktps ");
+    }
+    if (flags & OFPMF13_BURST) {
+        ds_put_cstr(s, "burst ");
+    }
+    if (flags & OFPMF13_STATS) {
+        ds_put_cstr(s, "stats ");
+    }
 
-    error = ofputil_decode_aggregate_stats_reply(&as, oh);
-    if (error) {
-        ofp_print_error(string, error);
-        return;
+    flags &= ~(OFPMF13_KBPS | OFPMF13_PKTPS | OFPMF13_BURST | OFPMF13_STATS);
+    if (flags) {
+        ds_put_format(s, "flags:0x%"PRIx16" ", flags);
     }
+}
 
-    ds_put_format(string, " packet_count=%"PRIu64, as.packet_count);
-    ds_put_format(string, " byte_count=%"PRIu64, as.byte_count);
-    ds_put_format(string, " flow_count=%"PRIu32, as.flow_count);
+static void
+ofp_print_meter_band(struct ds *s, uint16_t flags,
+                     const struct ofputil_meter_band *mb)
+{
+    ds_put_cstr(s, "\ntype=");
+    switch (mb->type) {
+    case OFPMBT13_DROP:
+        ds_put_cstr(s, "drop");
+        break;
+    case OFPMBT13_DSCP_REMARK:
+        ds_put_cstr(s, "dscp_remark");
+        break;
+    default:
+        ds_put_format(s, "%u", mb->type);
+    }
+
+    ds_put_format(s, " rate=%"PRIu32, mb->rate);
+
+    if (flags & OFPMF13_BURST) {
+        ds_put_format(s, " burst_size=%"PRIu32, mb->burst_size);
+    }
+    if (mb->type == OFPMBT13_DSCP_REMARK) {
+        ds_put_format(s, " prec_level=%"PRIu8, mb->prec_level);
+    }
 }
 
 static void
-print_port_stat(struct ds *string, const char *leader, uint64_t stat, int more)
+ofp_print_meter_stats(struct ds *s, const struct ofputil_meter_stats *ms)
 {
-    ds_put_cstr(string, leader);
-    if (stat != UINT64_MAX) {
-        ds_put_format(string, "%"PRIu64, stat);
-    } else {
-        ds_put_char(string, '?');
+    uint16_t i;
+
+    ds_put_format(s, "meter:%"PRIu32" ", ms->meter_id);
+    ds_put_format(s, "flow_count:%"PRIu32" ", ms->flow_count);
+    ds_put_format(s, "packet_in_count:%"PRIu64" ", ms->packet_in_count);
+    ds_put_format(s, "byte_in_count:%"PRIu64" ", ms->byte_in_count);
+    ds_put_cstr(s, "duration:");
+    ofp_print_duration(s, ms->duration_sec, ms->duration_nsec);
+    ds_put_char(s, ' ');
+
+    ds_put_cstr(s, "bands:\n");
+    for (i = 0; i < ms->n_bands; ++i) {
+        ds_put_format(s, "%d: ", i);
+        ds_put_format(s, "packet_count:%"PRIu64" ", ms->bands[i].packet_count);
+        ds_put_format(s, "byte_count:%"PRIu64"\n", ms->bands[i].byte_count);
     }
-    if (more) {
-        ds_put_cstr(string, ", ");
-    } else {
-        ds_put_cstr(string, "\n");
+}
+
+static void
+ofp_print_meter_config(struct ds *s, const struct ofputil_meter_config *mc)
+{
+    uint16_t i;
+
+    ds_put_format(s, "meter=%"PRIu32" ", mc->meter_id);
+
+    ofp_print_meter_flags(s, mc->flags);
+
+    ds_put_cstr(s, "bands=");
+    for (i = 0; i < mc->n_bands; ++i) {
+        ofp_print_meter_band(s, mc->flags, &mc->bands[i]);
     }
+    ds_put_char(s, '\n');
 }
 
 static void
-ofp_print_ofpst_port_request(struct ds *string, const struct ofp_header *oh)
+ofp_print_meter_mod(struct ds *s, const struct ofp_header *oh)
 {
-    uint16_t ofp10_port;
+    struct ofputil_meter_mod mm;
+    struct ofpbuf bands;
     enum ofperr error;
 
-    error = ofputil_decode_port_stats_request(oh, &ofp10_port);
+    ofpbuf_init(&bands, 64);
+    error = ofputil_decode_meter_mod(oh, &mm, &bands);
     if (error) {
-        ofp_print_error(string, error);
+        ofpbuf_uninit(&bands);
+        ofp_print_error(s, error);
         return;
     }
 
-    ds_put_format(string, " port_no=%2"PRIu16, ofp10_port);
+    switch (mm.command) {
+    case OFPMC13_ADD:
+        ds_put_cstr(s, " ADD ");
+        break;
+    case OFPMC13_MODIFY:
+        ds_put_cstr(s, " MOD ");
+        break;
+    case OFPMC13_DELETE:
+        ds_put_cstr(s, " DEL ");
+        break;
+    default:
+        ds_put_format(s, " cmd:%d ", mm.command);
+    }
+
+    ofp_print_meter_config(s, &mm.meter);
+    ofpbuf_uninit(&bands);
 }
 
 static void
-ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
-                           int verbosity)
+ofp_print_meter_stats_request(struct ds *s, const struct ofp_header *oh)
 {
-    struct ofpbuf b;
+    uint32_t meter_id;
 
-    ds_put_format(string, " %zu ports\n", ofputil_count_port_stats(oh));
-    if (verbosity < 1) {
-        return;
-    }
+    ofputil_decode_meter_request(oh, &meter_id);
 
-    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    ds_put_format(s, " meter=%"PRIu32, meter_id);
+}
+
+static const char *
+ofputil_meter_capabilities_to_name(uint32_t bit)
+{
+    enum ofp13_meter_flags flag = bit;
+
+    switch (flag) {
+    case OFPMF13_KBPS:    return "kbps";
+    case OFPMF13_PKTPS:   return "pktps";
+    case OFPMF13_BURST:   return "burst";
+    case OFPMF13_STATS:   return "stats";
+    }
+
+    return NULL;
+}
+
+static const char *
+ofputil_meter_band_types_to_name(uint32_t bit)
+{
+    switch (bit) {
+    case 1 << OFPMBT13_DROP:          return "drop";
+    case 1 << OFPMBT13_DSCP_REMARK:   return "dscp_remark";
+    }
+
+    return NULL;
+}
+
+static void
+ofp_print_meter_features_reply(struct ds *s, const struct ofp_header *oh)
+{
+    struct ofputil_meter_features mf;
+
+    ofputil_decode_meter_features(oh, &mf);
+
+    ds_put_format(s, "\nmax_meter:%"PRIu32, mf.max_meters);
+    ds_put_format(s, " max_bands:%"PRIu8, mf.max_bands);
+    ds_put_format(s, " max_color:%"PRIu8"\n", mf.max_color);
+
+    ds_put_cstr(s, "band_types: ");
+    ofp_print_bit_names(s, mf.band_types,
+                        ofputil_meter_band_types_to_name, ' ');
+    ds_put_char(s, '\n');
+
+    ds_put_cstr(s, "capabilities: ");
+    ofp_print_bit_names(s, mf.capabilities,
+                        ofputil_meter_capabilities_to_name, ' ');
+    ds_put_char(s, '\n');
+}
+
+static void
+ofp_print_meter_config_reply(struct ds *s, const struct ofp_header *oh)
+{
+    struct ofpbuf bands;
+    struct ofpbuf b;
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    ofpbuf_init(&bands, 64);
+    for (;;) {
+        struct ofputil_meter_config mc;
+        int retval;
+
+        retval = ofputil_decode_meter_config(&b, &mc, &bands);
+        if (retval) {
+            if (retval != EOF) {
+                ofp_print_error(s, retval);
+            }
+            break;
+        }
+        ds_put_char(s, '\n');
+        ofp_print_meter_config(s, &mc);
+    }
+    ofpbuf_uninit(&bands);
+}
+
+static void
+ofp_print_meter_stats_reply(struct ds *s, const struct ofp_header *oh)
+{
+    struct ofpbuf bands;
+    struct ofpbuf b;
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    ofpbuf_init(&bands, 64);
+    for (;;) {
+        struct ofputil_meter_stats ms;
+        int retval;
+
+        retval = ofputil_decode_meter_stats(&b, &ms, &bands);
+        if (retval) {
+            if (retval != EOF) {
+                ofp_print_error(s, retval);
+            }
+            break;
+        }
+        ds_put_char(s, '\n');
+        ofp_print_meter_stats(s, &ms);
+    }
+    ofpbuf_uninit(&bands);
+}
+
+static void
+ofp_print_error(struct ds *string, enum ofperr error)
+{
+    if (string->length) {
+        ds_put_char(string, ' ');
+    }
+    ds_put_format(string, "***decode error: %s***\n", ofperr_get_name(error));
+}
+
+static void
+ofp_print_hello(struct ds *string, const struct ofp_header *oh)
+{
+    uint32_t allowed_versions;
+    bool ok;
+
+    ok = ofputil_decode_hello(oh, &allowed_versions);
+
+    ds_put_cstr(string, "\n version bitmap: ");
+    ofputil_format_version_bitmap(string, allowed_versions);
+
+    if (!ok) {
+        ds_put_cstr(string, "\n unknown data in hello:\n");
+        ds_put_hex_dump(string, oh, ntohs(oh->length), 0, true);
+    }
+}
+
+static void
+ofp_print_error_msg(struct ds *string, const struct ofp_header *oh)
+{
+    size_t len = ntohs(oh->length);
+    struct ofpbuf payload;
+    enum ofperr error;
+    char *s;
+
+    error = ofperr_decode_msg(oh, &payload);
+    if (!error) {
+        ds_put_cstr(string, "***decode error***");
+        ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
+        return;
+    }
+
+    ds_put_format(string, " %s\n", ofperr_get_name(error));
+
+    if (error == OFPERR_OFPHFC_INCOMPATIBLE || error == OFPERR_OFPHFC_EPERM) {
+        ds_put_printable(string, payload.data, payload.size);
+    } else {
+        s = ofp_to_string(payload.data, payload.size, 1);
+        ds_put_cstr(string, s);
+        free(s);
+    }
+    ofpbuf_uninit(&payload);
+}
+
+static void
+ofp_print_port_status(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofputil_port_status ps;
+    enum ofperr error;
+
+    error = ofputil_decode_port_status(oh, &ps);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    if (ps.reason == OFPPR_ADD) {
+        ds_put_format(string, " ADD:");
+    } else if (ps.reason == OFPPR_DELETE) {
+        ds_put_format(string, " DEL:");
+    } else if (ps.reason == OFPPR_MODIFY) {
+        ds_put_format(string, " MOD:");
+    }
+
+    ofp_print_phy_port(string, &ps.desc);
+}
+
+static void
+ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_header *oh)
+{
+    const struct ofp_desc_stats *ods = ofpmsg_body(oh);
+
+    ds_put_char(string, '\n');
+    ds_put_format(string, "Manufacturer: %.*s\n",
+            (int) sizeof ods->mfr_desc, ods->mfr_desc);
+    ds_put_format(string, "Hardware: %.*s\n",
+            (int) sizeof ods->hw_desc, ods->hw_desc);
+    ds_put_format(string, "Software: %.*s\n",
+            (int) sizeof ods->sw_desc, ods->sw_desc);
+    ds_put_format(string, "Serial Num: %.*s\n",
+            (int) sizeof ods->serial_num, ods->serial_num);
+    ds_put_format(string, "DP Description: %.*s\n",
+            (int) sizeof ods->dp_desc, ods->dp_desc);
+}
+
+static void
+ofp_print_flow_stats_request(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofputil_flow_stats_request fsr;
+    enum ofperr error;
+
+    error = ofputil_decode_flow_stats_request(&fsr, oh);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    if (fsr.table_id != 0xff) {
+        ds_put_format(string, " table=%"PRIu8, fsr.table_id);
+    }
+
+    if (fsr.out_port != OFPP_ANY) {
+        ds_put_cstr(string, " out_port=");
+        ofputil_format_port(fsr.out_port, string);
+    }
+
+    ds_put_char(string, ' ');
+    match_format(&fsr.match, string, OFP_DEFAULT_PRIORITY);
+}
+
+void
+ofp_print_flow_stats(struct ds *string, struct ofputil_flow_stats *fs)
+{
+    ds_put_format(string, " cookie=0x%"PRIx64", duration=",
+                  ntohll(fs->cookie));
+
+    ofp_print_duration(string, fs->duration_sec, fs->duration_nsec);
+    ds_put_format(string, ", table=%"PRIu8", ", fs->table_id);
+    ds_put_format(string, "n_packets=%"PRIu64", ", fs->packet_count);
+    ds_put_format(string, "n_bytes=%"PRIu64", ", fs->byte_count);
+    if (fs->idle_timeout != OFP_FLOW_PERMANENT) {
+        ds_put_format(string, "idle_timeout=%"PRIu16", ", fs->idle_timeout);
+    }
+    if (fs->hard_timeout != OFP_FLOW_PERMANENT) {
+        ds_put_format(string, "hard_timeout=%"PRIu16", ", fs->hard_timeout);
+    }
+    if (fs->flags) {
+        ofp_print_flow_flags(string, fs->flags);
+    }
+    if (fs->importance != 0) {
+        ds_put_format(string, "importance=%"PRIu16", ", fs->importance);
+    }
+    if (fs->idle_age >= 0) {
+        ds_put_format(string, "idle_age=%d, ", fs->idle_age);
+    }
+    if (fs->hard_age >= 0 && fs->hard_age != fs->duration_sec) {
+        ds_put_format(string, "hard_age=%d, ", fs->hard_age);
+    }
+
+    match_format(&fs->match, string, fs->priority);
+    if (string->string[string->length - 1] != ' ') {
+        ds_put_char(string, ' ');
+    }
+
+    ds_put_cstr(string, "actions=");
+    ofpacts_format(fs->ofpacts, fs->ofpacts_len, string);
+}
+
+static void
+ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofpbuf ofpacts;
+    struct ofpbuf b;
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    ofpbuf_init(&ofpacts, 64);
+    for (;;) {
+        struct ofputil_flow_stats fs;
+        int retval;
+
+        retval = ofputil_decode_flow_stats_reply(&fs, &b, true, &ofpacts);
+        if (retval) {
+            if (retval != EOF) {
+                ds_put_cstr(string, " ***parse error***");
+            }
+            break;
+        }
+        ds_put_char(string, '\n');
+        ofp_print_flow_stats(string, &fs);
+     }
+    ofpbuf_uninit(&ofpacts);
+}
+
+static void
+ofp_print_aggregate_stats_reply(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofputil_aggregate_stats as;
+    enum ofperr error;
+
+    error = ofputil_decode_aggregate_stats_reply(&as, oh);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    ds_put_format(string, " packet_count=%"PRIu64, as.packet_count);
+    ds_put_format(string, " byte_count=%"PRIu64, as.byte_count);
+    ds_put_format(string, " flow_count=%"PRIu32, as.flow_count);
+}
+
+static void
+print_port_stat(struct ds *string, const char *leader, uint64_t stat, int more)
+{
+    ds_put_cstr(string, leader);
+    if (stat != UINT64_MAX) {
+        ds_put_format(string, "%"PRIu64, stat);
+    } else {
+        ds_put_char(string, '?');
+    }
+    if (more) {
+        ds_put_cstr(string, ", ");
+    } else {
+        ds_put_cstr(string, "\n");
+    }
+}
+
+static void
+ofp_print_ofpst_port_request(struct ds *string, const struct ofp_header *oh)
+{
+    ofp_port_t ofp10_port;
+    enum ofperr error;
+
+    error = ofputil_decode_port_stats_request(oh, &ofp10_port);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    ds_put_cstr(string, " port_no=");
+    ofputil_format_port(ofp10_port, string);
+}
+
+static void
+ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
+                           int verbosity)
+{
+    struct ofpbuf b;
+
+    ds_put_format(string, " %"PRIuSIZE" ports\n", ofputil_count_port_stats(oh));
+    if (verbosity < 1) {
+        return;
+    }
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    for (;;) {
+        struct ofputil_port_stats ps;
+        int retval;
+
+        retval = ofputil_decode_port_stats(&ps, &b);
+        if (retval) {
+            if (retval != EOF) {
+                ds_put_cstr(string, " ***parse error***");
+            }
+            return;
+        }
+
+        ds_put_cstr(string, "  port ");
+        if (ofp_to_u16(ps.port_no) < 10) {
+            ds_put_char(string, ' ');
+        }
+        ofputil_format_port(ps.port_no, string);
+
+        ds_put_cstr(string, ": rx ");
+        print_port_stat(string, "pkts=", ps.stats.rx_packets, 1);
+        print_port_stat(string, "bytes=", ps.stats.rx_bytes, 1);
+        print_port_stat(string, "drop=", ps.stats.rx_dropped, 1);
+        print_port_stat(string, "errs=", ps.stats.rx_errors, 1);
+        print_port_stat(string, "frame=", ps.stats.rx_frame_errors, 1);
+        print_port_stat(string, "over=", ps.stats.rx_over_errors, 1);
+        print_port_stat(string, "crc=", ps.stats.rx_crc_errors, 0);
+
+        ds_put_cstr(string, "           tx ");
+        print_port_stat(string, "pkts=", ps.stats.tx_packets, 1);
+        print_port_stat(string, "bytes=", ps.stats.tx_bytes, 1);
+        print_port_stat(string, "drop=", ps.stats.tx_dropped, 1);
+        print_port_stat(string, "errs=", ps.stats.tx_errors, 1);
+        print_port_stat(string, "coll=", ps.stats.collisions, 0);
+
+        if (ps.duration_sec != UINT32_MAX) {
+            ds_put_cstr(string, "           duration=");
+            ofp_print_duration(string, ps.duration_sec, ps.duration_nsec);
+            ds_put_char(string, '\n');
+        }
+    }
+}
+
+static void
+ofp_print_table_stats_reply(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofpbuf b;
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    ofpraw_pull_assert(&b);
+
+    for (;;) {
+        struct ofputil_table_features features;
+        struct ofputil_table_stats stats;
+        int retval;
+
+        retval = ofputil_decode_table_stats_reply(&b, &stats, &features);
+        if (retval) {
+            if (retval != EOF) {
+                ofp_print_error(string, retval);
+            }
+            return;
+        }
+
+        ofp_print_table_features(string, &features, &stats);
+    }
+}
+
+static void
+ofp_print_queue_name(struct ds *string, uint32_t queue_id)
+{
+    if (queue_id == OFPQ_ALL) {
+        ds_put_cstr(string, "ALL");
+    } else {
+        ds_put_format(string, "%"PRIu32, queue_id);
+    }
+}
+
+static void
+ofp_print_ofpst_queue_request(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofputil_queue_stats_request oqsr;
+    enum ofperr error;
+
+    error = ofputil_decode_queue_stats_request(oh, &oqsr);
+    if (error) {
+        ds_put_format(string, "***decode error: %s***\n", ofperr_get_name(error));
+        return;
+    }
+
+    ds_put_cstr(string, "port=");
+    ofputil_format_port(oqsr.port_no, string);
+
+    ds_put_cstr(string, " queue=");
+    ofp_print_queue_name(string, oqsr.queue_id);
+}
+
+static void
+ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
+                            int verbosity)
+{
+    struct ofpbuf b;
+
+    ds_put_format(string, " %"PRIuSIZE" queues\n", ofputil_count_queue_stats(oh));
+    if (verbosity < 1) {
+        return;
+    }
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    for (;;) {
+        struct ofputil_queue_stats qs;
+        int retval;
+
+        retval = ofputil_decode_queue_stats(&qs, &b);
+        if (retval) {
+            if (retval != EOF) {
+                ds_put_cstr(string, " ***parse error***");
+            }
+            return;
+        }
+
+        ds_put_cstr(string, "  port ");
+        ofputil_format_port(qs.port_no, string);
+        ds_put_cstr(string, " queue ");
+        ofp_print_queue_name(string, qs.queue_id);
+        ds_put_cstr(string, ": ");
+
+        print_port_stat(string, "bytes=", qs.tx_bytes, 1);
+        print_port_stat(string, "pkts=", qs.tx_packets, 1);
+        print_port_stat(string, "errors=", qs.tx_errors, 1);
+
+        ds_put_cstr(string, "duration=");
+        if (qs.duration_sec != UINT32_MAX) {
+            ofp_print_duration(string, qs.duration_sec, qs.duration_nsec);
+        } else {
+            ds_put_char(string, '?');
+        }
+        ds_put_char(string, '\n');
+    }
+}
+
+static void
+ofp_print_ofpst_port_desc_request(struct ds *string,
+                                  const struct ofp_header *oh)
+{
+    enum ofperr error;
+    ofp_port_t port;
+
+    error = ofputil_decode_port_desc_stats_request(oh, &port);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    ds_put_cstr(string, " port=");
+    ofputil_format_port(port, string);
+}
+
+static void
+ofp_print_ofpst_port_desc_reply(struct ds *string,
+                                const struct ofp_header *oh)
+{
+    struct ofpbuf b;
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    ofpraw_pull_assert(&b);
+    ds_put_char(string, '\n');
+    ofp_print_phy_ports(string, oh->version, &b);
+}
+
+static void
+ofp_print_stats(struct ds *string, const struct ofp_header *oh)
+{
+    uint16_t flags = ofpmp_flags(oh);
+
+    if (flags) {
+        ds_put_cstr(string, " flags=");
+        if ((!ofpmsg_is_stat_request(oh) || oh->version >= OFP13_VERSION)
+            && (flags & OFPSF_REPLY_MORE)) {
+            ds_put_cstr(string, "[more]");
+            flags &= ~OFPSF_REPLY_MORE;
+        }
+        if (flags) {
+            ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
+                          flags);
+        }
+    }
+}
+
+static void
+ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
+{
+    size_t len = ntohs(oh->length);
+
+    ds_put_format(string, " %"PRIuSIZE" bytes of payload\n", len - sizeof *oh);
+    if (verbosity > 1) {
+        ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
+    }
+}
+
+static void
+ofp_print_role_generic(struct ds *string, enum ofp12_controller_role role,
+                       uint64_t generation_id)
+{
+    ds_put_cstr(string, " role=");
+
+    switch (role) {
+    case OFPCR12_ROLE_NOCHANGE:
+        ds_put_cstr(string, "nochange");
+        break;
+    case OFPCR12_ROLE_EQUAL:
+        ds_put_cstr(string, "equal"); /* OF 1.2 wording */
+        break;
+    case OFPCR12_ROLE_MASTER:
+        ds_put_cstr(string, "master");
+        break;
+    case OFPCR12_ROLE_SLAVE:
+        ds_put_cstr(string, "slave");
+        break;
+    default:
+        OVS_NOT_REACHED();
+    }
+
+    if (generation_id != UINT64_MAX) {
+        ds_put_format(string, " generation_id=%"PRIu64, generation_id);
+    }
+}
+
+static void
+ofp_print_role_message(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofputil_role_request rr;
+    enum ofperr error;
+
+    error = ofputil_decode_role_message(oh, &rr);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    ofp_print_role_generic(string, rr.role, rr.have_generation_id ? rr.generation_id : UINT64_MAX);
+}
+
+static void
+ofp_print_role_status_message(struct ds *string, const struct ofp_header *oh)
+{
+    struct ofputil_role_status rs;
+    enum ofperr error;
+
+    error = ofputil_decode_role_status(oh, &rs);
+    if (error) {
+        ofp_print_error(string, error);
+        return;
+    }
+
+    ofp_print_role_generic(string, rs.role, rs.generation_id);
+
+    ds_put_cstr(string, " reason=");
+
+    switch (rs.reason) {
+    case OFPCRR_MASTER_REQUEST:
+        ds_put_cstr(string, "master_request");
+        break;
+    case OFPCRR_CONFIG:
+        ds_put_cstr(string, "configuration_changed");
+        break;
+    case OFPCRR_EXPERIMENTER:
+        ds_put_cstr(string, "experimenter_data_changed");
+        break;
+    default:
+        OVS_NOT_REACHED();
+    }
+}
+
+static void
+ofp_print_nxt_flow_mod_table_id(struct ds *string,
+                                const struct nx_flow_mod_table_id *nfmti)
+{
+    ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
+}
+
+static void
+ofp_print_nxt_set_flow_format(struct ds *string,
+                              const struct nx_set_flow_format *nsff)
+{
+    uint32_t format = ntohl(nsff->format);
+
+    ds_put_cstr(string, " format=");
+    if (ofputil_nx_flow_format_is_valid(format)) {
+        ds_put_cstr(string, ofputil_nx_flow_format_to_string(format));
+    } else {
+        ds_put_format(string, "%"PRIu32, format);
+    }
+}
+
+static void
+ofp_print_nxt_set_packet_in_format(struct ds *string,
+                                   const struct nx_set_packet_in_format *nspf)
+{
+    uint32_t format = ntohl(nspf->format);
+
+    ds_put_cstr(string, " format=");
+    if (ofputil_packet_in_format_is_valid(format)) {
+        ds_put_cstr(string, ofputil_packet_in_format_to_string(format));
+    } else {
+        ds_put_format(string, "%"PRIu32, format);
+    }
+}
+
+/* Returns a string form of 'reason'.  The return value is either a statically
+ * allocated constant string or the 'bufsize'-byte buffer 'reasonbuf'.
+ * 'bufsize' should be at least OFP_PORT_REASON_BUFSIZE. */
+#define OFP_PORT_REASON_BUFSIZE (INT_STRLEN(int) + 1)
+static const char *
+ofp_port_reason_to_string(enum ofp_port_reason reason,
+                          char *reasonbuf, size_t bufsize)
+{
+    switch (reason) {
+    case OFPPR_ADD:
+        return "add";
+
+    case OFPPR_DELETE:
+        return "delete";
+
+    case OFPPR_MODIFY:
+        return "modify";
+
+    default:
+        snprintf(reasonbuf, bufsize, "%d", (int) reason);
+        return reasonbuf;
+    }
+}
+
+static void
+ofp_print_nxt_set_async_config(struct ds *string,
+                               const struct nx_async_config *nac)
+{
+    int i;
+
+    for (i = 0; i < 2; i++) {
+        int j;
+
+        ds_put_format(string, "\n %s:\n", i == 0 ? "master" : "slave");
+
+        ds_put_cstr(string, "       PACKET_IN:");
+        for (j = 0; j < 32; j++) {
+            if (nac->packet_in_mask[i] & htonl(1u << j)) {
+                char reasonbuf[OFPUTIL_PACKET_IN_REASON_BUFSIZE];
+                const char *reason;
+
+                reason = ofputil_packet_in_reason_to_string(j, reasonbuf,
+                                                            sizeof reasonbuf);
+                ds_put_format(string, " %s", reason);
+            }
+        }
+        if (!nac->packet_in_mask[i]) {
+            ds_put_cstr(string, " (off)");
+        }
+        ds_put_char(string, '\n');
+
+        ds_put_cstr(string, "     PORT_STATUS:");
+        for (j = 0; j < 32; j++) {
+            if (nac->port_status_mask[i] & htonl(1u << j)) {
+                char reasonbuf[OFP_PORT_REASON_BUFSIZE];
+                const char *reason;
+
+                reason = ofp_port_reason_to_string(j, reasonbuf,
+                                                   sizeof reasonbuf);
+                ds_put_format(string, " %s", reason);
+            }
+        }
+        if (!nac->port_status_mask[i]) {
+            ds_put_cstr(string, " (off)");
+        }
+        ds_put_char(string, '\n');
+
+        ds_put_cstr(string, "    FLOW_REMOVED:");
+        for (j = 0; j < 32; j++) {
+            if (nac->flow_removed_mask[i] & htonl(1u << j)) {
+                char reasonbuf[OFP_FLOW_REMOVED_REASON_BUFSIZE];
+                const char *reason;
+
+                reason = ofp_flow_removed_reason_to_string(j, reasonbuf,
+                                                           sizeof reasonbuf);
+                ds_put_format(string, " %s", reason);
+            }
+        }
+        if (!nac->flow_removed_mask[i]) {
+            ds_put_cstr(string, " (off)");
+        }
+        ds_put_char(string, '\n');
+    }
+}
+
+static void
+ofp_print_nxt_set_controller_id(struct ds *string,
+                                const struct nx_controller_id *nci)
+{
+    ds_put_format(string, " id=%"PRIu16, ntohs(nci->controller_id));
+}
+
+static void
+ofp_print_nxt_flow_monitor_cancel(struct ds *string,
+                                  const struct ofp_header *oh)
+{
+    ds_put_format(string, " id=%"PRIu32,
+                  ofputil_decode_flow_monitor_cancel(oh));
+}
+
+static const char *
+nx_flow_monitor_flags_to_name(uint32_t bit)
+{
+    enum nx_flow_monitor_flags fmf = bit;
+
+    switch (fmf) {
+    case NXFMF_INITIAL: return "initial";
+    case NXFMF_ADD: return "add";
+    case NXFMF_DELETE: return "delete";
+    case NXFMF_MODIFY: return "modify";
+    case NXFMF_ACTIONS: return "actions";
+    case NXFMF_OWN: return "own";
+    }
+
+    return NULL;
+}
+
+static void
+ofp_print_nxst_flow_monitor_request(struct ds *string,
+                                    const struct ofp_header *oh)
+{
+    struct ofpbuf b;
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
     for (;;) {
-        struct ofputil_port_stats ps;
+        struct ofputil_flow_monitor_request request;
         int retval;
 
-        retval = ofputil_decode_port_stats(&ps, &b);
+        retval = ofputil_decode_flow_monitor_request(&request, &b);
         if (retval) {
             if (retval != EOF) {
-                ds_put_cstr(string, " ***parse error***");
+                ofp_print_error(string, retval);
             }
             return;
         }
 
-        ds_put_format(string, "  port %2"PRIu16, ps.port_no);
+        ds_put_format(string, "\n id=%"PRIu32" flags=", request.id);
+        ofp_print_bit_names(string, request.flags,
+                            nx_flow_monitor_flags_to_name, ',');
 
-        ds_put_cstr(string, ": rx ");
-        print_port_stat(string, "pkts=", ps.stats.rx_packets, 1);
-        print_port_stat(string, "bytes=", ps.stats.rx_bytes, 1);
-        print_port_stat(string, "drop=", ps.stats.rx_dropped, 1);
-        print_port_stat(string, "errs=", ps.stats.rx_errors, 1);
-        print_port_stat(string, "frame=", ps.stats.rx_frame_errors, 1);
-        print_port_stat(string, "over=", ps.stats.rx_over_errors, 1);
-        print_port_stat(string, "crc=", ps.stats.rx_crc_errors, 0);
+        if (request.out_port != OFPP_NONE) {
+            ds_put_cstr(string, " out_port=");
+            ofputil_format_port(request.out_port, string);
+        }
 
-        ds_put_cstr(string, "           tx ");
-        print_port_stat(string, "pkts=", ps.stats.tx_packets, 1);
-        print_port_stat(string, "bytes=", ps.stats.tx_bytes, 1);
-        print_port_stat(string, "drop=", ps.stats.tx_dropped, 1);
-        print_port_stat(string, "errs=", ps.stats.tx_errors, 1);
-        print_port_stat(string, "coll=", ps.stats.collisions, 0);
+        if (request.table_id != 0xff) {
+            ds_put_format(string, " table=%"PRIu8, request.table_id);
+        }
+
+        ds_put_char(string, ' ');
+        match_format(&request.match, string, OFP_DEFAULT_PRIORITY);
+        ds_chomp(string, ' ');
+    }
+}
+
+static void
+ofp_print_nxst_flow_monitor_reply(struct ds *string,
+                                  const struct ofp_header *oh)
+{
+    uint64_t ofpacts_stub[1024 / 8];
+    struct ofpbuf ofpacts;
+    struct ofpbuf b;
+
+    ofpbuf_use_const(&b, oh, ntohs(oh->length));
+    ofpbuf_use_stub(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
+    for (;;) {
+        char reasonbuf[OFP_FLOW_REMOVED_REASON_BUFSIZE];
+        struct ofputil_flow_update update;
+        struct match match;
+        int retval;
+
+        update.match = &match;
+        retval = ofputil_decode_flow_update(&update, &b, &ofpacts);
+        if (retval) {
+            if (retval != EOF) {
+                ofp_print_error(string, retval);
+            }
+            ofpbuf_uninit(&ofpacts);
+            return;
+        }
+
+        ds_put_cstr(string, "\n event=");
+        switch (update.event) {
+        case NXFME_ADDED:
+            ds_put_cstr(string, "ADDED");
+            break;
+
+        case NXFME_DELETED:
+            ds_put_format(string, "DELETED reason=%s",
+                          ofp_flow_removed_reason_to_string(update.reason,
+                                                            reasonbuf,
+                                                            sizeof reasonbuf));
+            break;
+
+        case NXFME_MODIFIED:
+            ds_put_cstr(string, "MODIFIED");
+            break;
+
+        case NXFME_ABBREV:
+            ds_put_format(string, "ABBREV xid=0x%"PRIx32, ntohl(update.xid));
+            continue;
+        }
+
+        ds_put_format(string, " table=%"PRIu8, update.table_id);
+        if (update.idle_timeout != OFP_FLOW_PERMANENT) {
+            ds_put_format(string, " idle_timeout=%"PRIu16,
+                          update.idle_timeout);
+        }
+        if (update.hard_timeout != OFP_FLOW_PERMANENT) {
+            ds_put_format(string, " hard_timeout=%"PRIu16,
+                          update.hard_timeout);
+        }
+        ds_put_format(string, " cookie=%#"PRIx64, ntohll(update.cookie));
+
+        ds_put_char(string, ' ');
+        match_format(update.match, string, OFP_DEFAULT_PRIORITY);
+
+        if (update.ofpacts_len) {
+            if (string->string[string->length - 1] != ' ') {
+                ds_put_char(string, ' ');
+            }
+            ds_put_cstr(string, "actions=");
+            ofpacts_format(update.ofpacts, update.ofpacts_len, string);
+        }
+    }
+}
+
+void
+ofp_print_version(const struct ofp_header *oh,
+                  struct ds *string)
+{
+    switch (oh->version) {
+    case OFP10_VERSION:
+        break;
+    case OFP11_VERSION:
+        ds_put_cstr(string, " (OF1.1)");
+        break;
+    case OFP12_VERSION:
+        ds_put_cstr(string, " (OF1.2)");
+        break;
+    case OFP13_VERSION:
+        ds_put_cstr(string, " (OF1.3)");
+        break;
+    case OFP14_VERSION:
+        ds_put_cstr(string, " (OF1.4)");
+        break;
+    case OFP15_VERSION:
+        ds_put_cstr(string, " (OF1.5)");
+        break;
+    default:
+        ds_put_format(string, " (OF 0x%02"PRIx8")", oh->version);
+        break;
     }
+    ds_put_format(string, " (xid=0x%"PRIx32"):", ntohl(oh->xid));
+}
+
+static void
+ofp_header_to_string__(const struct ofp_header *oh, enum ofpraw raw,
+                       struct ds *string)
+{
+    ds_put_cstr(string, ofpraw_get_name(raw));
+    ofp_print_version(oh, string);
 }
 
 static void
-ofp_print_one_ofpst_table_reply(struct ds *string, enum ofp_version ofp_version,
-                                const char *name, struct ofp12_table_stats *ts)
+ofp_print_bucket_id(struct ds *s, const char *label, uint32_t bucket_id,
+                    enum ofp_version ofp_version)
 {
-    char name_[OFP_MAX_TABLE_NAME_LEN + 1];
-
-    ovs_strlcpy(name_, name, sizeof name_);
-
-    ds_put_format(string, "  %d: %-8s: ", ts->table_id, name_);
-    ds_put_format(string, "wild=0x%05"PRIx64", ", ntohll(ts->wildcards));
-    ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
-    ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
-    ds_put_cstr(string, "               ");
-    ds_put_format(string, "lookup=%"PRIu64", ", ntohll(ts->lookup_count));
-    ds_put_format(string, "matched=%"PRIu64"\n", ntohll(ts->matched_count));
-
-    if (ofp_version < OFP11_VERSION) {
+    if (ofp_version < OFP15_VERSION) {
         return;
     }
 
-    ds_put_cstr(string, "               ");
-    ds_put_format(string, "match=0x%08"PRIx64", ", ntohll(ts->match));
-    ds_put_format(string, "instructions=0x%08"PRIx32", ",
-                  ntohl(ts->instructions));
-    ds_put_format(string, "config=0x%08"PRIx32"\n", ntohl(ts->config));
-    ds_put_cstr(string, "               ");
-    ds_put_format(string, "write_actions=0x%08"PRIx32", ",
-                  ntohl(ts->write_actions));
-    ds_put_format(string, "apply_actions=0x%08"PRIx32"\n",
-                  ntohl(ts->apply_actions));
+    ds_put_cstr(s, label);
 
-    if (ofp_version < OFP12_VERSION) {
-        return;
+    switch (bucket_id) {
+    case OFPG15_BUCKET_FIRST:
+        ds_put_cstr(s, "first");
+        break;
+    case OFPG15_BUCKET_LAST:
+        ds_put_cstr(s, "last");
+        break;
+    case OFPG15_BUCKET_ALL:
+        ds_put_cstr(s, "all");
+        break;
+    default:
+        ds_put_format(s, "%"PRIu32, bucket_id);
+        break;
     }
 
-    ds_put_cstr(string, "               ");
-    ds_put_format(string, "write_setfields=0x%016"PRIx64"\n",
-                  ntohll(ts->write_setfields));
-    ds_put_cstr(string, "               ");
-    ds_put_format(string, "apply_setfields=0x%016"PRIx64"\n",
-                  ntohll(ts->apply_setfields));
-    ds_put_cstr(string, "               ");
-    ds_put_format(string, "metadata_match=0x%016"PRIx64"\n",
-                  ntohll(ts->metadata_match));
-    ds_put_cstr(string, "               ");
-    ds_put_format(string, "metadata_write=0x%016"PRIx64"\n",
-                  ntohll(ts->metadata_write));
+    ds_put_char(s, ',');
 }
 
 static void
-ofp_print_ofpst_table_reply12(struct ds *string, const struct ofp_header *oh,
-                              int verbosity)
+ofp_print_group(struct ds *s, uint32_t group_id, uint8_t type,
+                struct ovs_list *p_buckets, struct ofputil_group_props *props,
+                enum ofp_version ofp_version, bool suppress_type)
 {
-    struct ofp12_table_stats *ts;
-    struct ofpbuf b;
-    size_t n;
+    struct ofputil_bucket *bucket;
 
-    ofpbuf_use_const(&b, oh, ntohs(oh->length));
-    ofpraw_pull_assert(&b);
+    ds_put_format(s, "group_id=%"PRIu32, group_id);
 
-    n = b.size / sizeof *ts;
-    ds_put_format(string, " %zu tables\n", n);
-    if (verbosity < 1) {
-        return;
+    if (!suppress_type) {
+        static const char *type_str[] = { "all", "select", "indirect",
+                                          "ff", "unknown" };
+        ds_put_format(s, ",type=%s", type_str[type > 4 ? 4 : type]);
     }
 
-    for (;;) {
-        ts = ofpbuf_try_pull(&b, sizeof *ts);
-        if (!ts) {
-            return;
-        }
+    if (props->selection_method[0]) {
+        size_t mark, start;
 
-        ofp_print_one_ofpst_table_reply(string, OFP12_VERSION, ts->name, ts);
-     }
-}
+        ds_put_format(s, ",selection_method=%s,", props->selection_method);
+        if (props->selection_method_param) {
+            ds_put_format(s, "selection_method_param=%"PRIu64",",
+                          props->selection_method_param);
+        }
 
-static void
-ofp_print_ofpst_table_reply11(struct ds *string, const struct ofp_header *oh,
-                              int verbosity)
-{
-    struct ofp11_table_stats *ts;
-    struct ofpbuf b;
-    size_t n;
+        /* Allow rewinding to immediately before the trailing ',' */
+        mark = s->length - 1;
 
-    ofpbuf_use_const(&b, oh, ntohs(oh->length));
-    ofpraw_pull_assert(&b);
+        ds_put_cstr(s, "fields=");
+        start = s->length;
+        oxm_format_field_array(s, &props->fields);
+        if (s->length == start) {
+            ds_truncate(s, mark);
+        }
+    }
 
-    n = b.size / sizeof *ts;
-    ds_put_format(string, " %zu tables\n", n);
-    if (verbosity < 1) {
+    if (!p_buckets) {
         return;
     }
 
-    for (;;) {
-        struct ofp12_table_stats ts12;
+    ds_put_char(s, ',');
 
-        ts = ofpbuf_try_pull(&b, sizeof *ts);
-        if (!ts) {
-            return;
+    LIST_FOR_EACH (bucket, list_node, p_buckets) {
+        ds_put_cstr(s, "bucket=");
+
+        ofp_print_bucket_id(s, "bucket_id:", bucket->bucket_id, ofp_version);
+        if (bucket->weight != 1) {
+            ds_put_format(s, "weight:%"PRIu16",", bucket->weight);
+        }
+        if (bucket->watch_port != OFPP_NONE) {
+            ds_put_format(s, "watch_port:%"PRIu32",", bucket->watch_port);
+        }
+        if (bucket->watch_group != OFPG11_ANY) {
+            ds_put_format(s, "watch_group:%"PRIu32",", bucket->watch_group);
         }
 
-        ts12.table_id = ts->table_id;
-        ts12.wildcards = htonll(ntohl(ts->wildcards));
-        ts12.max_entries = ts->max_entries;
-        ts12.active_count = ts->active_count;
-        ts12.lookup_count = ts->lookup_count;
-        ts12.matched_count = ts->matched_count;
-        ts12.match = htonll(ntohl(ts->match));
-        ts12.instructions = ts->instructions;
-        ts12.config = ts->config;
-        ts12.write_actions = ts->write_actions;
-        ts12.apply_actions = ts->apply_actions;
-        ofp_print_one_ofpst_table_reply(string, OFP11_VERSION, ts->name, &ts12);
-     }
+        ds_put_cstr(s, "actions=");
+        ofpacts_format(bucket->ofpacts, bucket->ofpacts_len, s);
+        ds_put_char(s, ',');
+    }
+
+    ds_chomp(s, ',');
+}
+
+static void
+ofp_print_ofpst_group_desc_request(struct ds *string,
+                                   const struct ofp_header *oh)
+{
+    uint32_t group_id = ofputil_decode_group_desc_request(oh);
+    ds_put_cstr(string, " group_id=");
+    ofputil_format_group(group_id, string);
 }
 
 static void
-ofp_print_ofpst_table_reply10(struct ds *string, const struct ofp_header *oh,
-                              int verbosity)
+ofp_print_group_desc(struct ds *s, const struct ofp_header *oh)
 {
-    struct ofp10_table_stats *ts;
     struct ofpbuf b;
-    size_t n;
 
     ofpbuf_use_const(&b, oh, ntohs(oh->length));
-    ofpraw_pull_assert(&b);
-
-    n = b.size / sizeof *ts;
-    ds_put_format(string, " %zu tables\n", n);
-    if (verbosity < 1) {
-        return;
-    }
-
     for (;;) {
-        struct ofp12_table_stats ts12;
+        struct ofputil_group_desc gd;
+        int retval;
 
-        ts = ofpbuf_try_pull(&b, sizeof *ts);
-        if (!ts) {
-            return;
+        retval = ofputil_decode_group_desc_reply(&gd, &b, oh->version);
+        if (retval) {
+            if (retval != EOF) {
+                ds_put_cstr(s, " ***parse error***");
+            }
+            break;
         }
 
-        ts12.table_id = ts->table_id;
-        ts12.wildcards = htonll(ntohl(ts->wildcards));
-        ts12.max_entries = ts->max_entries;
-        ts12.active_count = ts->active_count;
-        ts12.lookup_count = get_32aligned_be64(&ts->lookup_count);
-        ts12.matched_count = get_32aligned_be64(&ts->matched_count);
-        ofp_print_one_ofpst_table_reply(string, OFP10_VERSION, ts->name, &ts12);
+        ds_put_char(s, '\n');
+        ds_put_char(s, ' ');
+        ofp_print_group(s, gd.group_id, gd.type, &gd.buckets, &gd.props,
+                        oh->version, false);
+        ofputil_bucket_list_destroy(&gd.buckets);
      }
 }
 
 static void
-ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
-                            int verbosity)
-{
-    switch ((enum ofp_version)oh->version) {
-    case OFP12_VERSION:
-        ofp_print_ofpst_table_reply12(string, oh, verbosity);
-        break;
-
-    case OFP11_VERSION:
-        ofp_print_ofpst_table_reply11(string, oh, verbosity);
-        break;
-
-    case OFP10_VERSION:
-        ofp_print_ofpst_table_reply10(string, oh, verbosity);
-        break;
-
-    default:
-        NOT_REACHED();
-    }
-}
-
-static void
-ofp_print_queue_name(struct ds *string, uint32_t queue_id)
-{
-    if (queue_id == OFPQ_ALL) {
-        ds_put_cstr(string, "ALL");
-    } else {
-        ds_put_format(string, "%"PRIu32, queue_id);
-    }
-}
-
-static void
-ofp_print_ofpst_queue_request(struct ds *string, const struct ofp_header *oh)
+ofp_print_ofpst_group_request(struct ds *string, const struct ofp_header *oh)
 {
-    struct ofputil_queue_stats_request oqsr;
     enum ofperr error;
+    uint32_t group_id;
 
-    error = ofputil_decode_queue_stats_request(oh, &oqsr);
+    error = ofputil_decode_group_stats_request(oh, &group_id);
     if (error) {
-        ds_put_format(string, "***decode error: %s***\n", ofperr_get_name(error));
+        ofp_print_error(string, error);
         return;
     }
 
-    ds_put_cstr(string, "port=");
-    ofputil_format_port(oqsr.port_no, string);
-
-    ds_put_cstr(string, " queue=");
-    ofp_print_queue_name(string, oqsr.queue_id);
+    ds_put_cstr(string, " group_id=");
+    ofputil_format_group(group_id, string);
 }
 
 static void
-ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
-                            int verbosity)
+ofp_print_group_stats(struct ds *s, const struct ofp_header *oh)
 {
     struct ofpbuf b;
-
-    ds_put_format(string, " %zu queues\n", ofputil_count_queue_stats(oh));
-    if (verbosity < 1) {
-        return;
-    }
+    uint32_t bucket_i;
 
     ofpbuf_use_const(&b, oh, ntohs(oh->length));
+
     for (;;) {
-        struct ofputil_queue_stats qs;
+        struct ofputil_group_stats gs;
         int retval;
 
-        retval = ofputil_decode_queue_stats(&qs, &b);
+        retval = ofputil_decode_group_stats_reply(&b, &gs);
         if (retval) {
             if (retval != EOF) {
-                ds_put_cstr(string, " ***parse error***");
+                ds_put_cstr(s, " ***parse error***");
             }
-            return;
+            break;
         }
 
-        ds_put_cstr(string, "  port ");
-        ofputil_format_port(qs.port_no, string);
-        ds_put_cstr(string, " queue ");
-        ofp_print_queue_name(string, qs.queue_id);
-        ds_put_cstr(string, ": ");
+        ds_put_char(s, '\n');
 
-        print_port_stat(string, "bytes=", qs.stats.tx_bytes, 1);
-        print_port_stat(string, "pkts=", qs.stats.tx_packets, 1);
-        print_port_stat(string, "errors=", qs.stats.tx_errors, 0);
-    }
-}
+        ds_put_char(s, ' ');
+        ds_put_format(s, "group_id=%"PRIu32",", gs.group_id);
 
-static void
-ofp_print_ofpst_port_desc_reply(struct ds *string,
-                                const struct ofp_header *oh)
-{
-    struct ofpbuf b;
+        if (gs.duration_sec != UINT32_MAX) {
+            ds_put_cstr(s, "duration=");
+            ofp_print_duration(s, gs.duration_sec, gs.duration_nsec);
+            ds_put_char(s, ',');
+        }
+        ds_put_format(s, "ref_count=%"PRIu32",", gs.ref_count);
+        ds_put_format(s, "packet_count=%"PRIu64",", gs.packet_count);
+        ds_put_format(s, "byte_count=%"PRIu64"", gs.byte_count);
+
+        for (bucket_i = 0; bucket_i < gs.n_buckets; bucket_i++) {
+            if (gs.bucket_stats[bucket_i].packet_count != UINT64_MAX) {
+                ds_put_format(s, ",bucket%"PRIu32":", bucket_i);
+                ds_put_format(s, "packet_count=%"PRIu64",", gs.bucket_stats[bucket_i].packet_count);
+                ds_put_format(s, "byte_count=%"PRIu64"", gs.bucket_stats[bucket_i].byte_count);
+            }
+        }
 
-    ofpbuf_use_const(&b, oh, ntohs(oh->length));
-    ofpraw_pull_assert(&b);
-    ds_put_char(string, '\n');
-    ofp_print_phy_ports(string, oh->version, &b);
+        free(gs.bucket_stats);
+     }
 }
 
-static void
-ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
+static const char *
+group_type_to_string(enum ofp11_group_type type)
 {
-    uint16_t flags = ofpmp_flags(oh);
-
-    if (flags) {
-        ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
+    switch (type) {
+    case OFPGT11_ALL: return "all";
+    case OFPGT11_SELECT: return "select";
+    case OFPGT11_INDIRECT: return "indirect";
+    case OFPGT11_FF: return "fast failover";
+    default: OVS_NOT_REACHED();
     }
 }
 
 static void
-ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
+ofp_print_group_features(struct ds *string, const struct ofp_header *oh)
 {
-    uint16_t flags = ofpmp_flags(oh);
+    struct ofputil_group_features features;
+    int i;
 
-    if (flags) {
-        ds_put_cstr(string, " flags=");
-        if (flags & OFPSF_REPLY_MORE) {
-            ds_put_cstr(string, "[more]");
-            flags &= ~OFPSF_REPLY_MORE;
-        }
-        if (flags) {
-            ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
-                          flags);
+    ofputil_decode_group_features_reply(oh, &features);
+
+    ds_put_format(string, "\n Group table:\n");
+    ds_put_format(string, "    Types:  0x%"PRIx32"\n", features.types);
+    ds_put_format(string, "    Capabilities:  0x%"PRIx32"\n",
+                  features.capabilities);
+
+    for (i = 0; i < OFPGT12_N_TYPES; i++) {
+        if (features.types & (1u << i)) {
+            ds_put_format(string, "    %s group:\n", group_type_to_string(i));
+            ds_put_format(string, "       max_groups=%#"PRIx32"\n",
+                          features.max_groups[i]);
+            ds_put_format(string, "       actions: ");
+            ofpact_bitmap_format(features.ofpacts[i], string);
+            ds_put_char(string, '\n');
         }
     }
 }
 
 static void
-ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
+ofp_print_group_mod(struct ds *s, const struct ofp_header *oh)
 {
-    size_t len = ntohs(oh->length);
+    struct ofputil_group_mod gm;
+    int error;
+    bool bucket_command = false;
 
-    ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
-    if (verbosity > 1) {
-        ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
+    error = ofputil_decode_group_mod(oh, &gm);
+    if (error) {
+        ofp_print_error(s, error);
+        return;
     }
-}
 
-static void
-ofp_print_nxt_role_message(struct ds *string,
-                           const struct nx_role_request *nrr)
-{
-    unsigned int role = ntohl(nrr->role);
+    ds_put_char(s, '\n');
 
-    ds_put_cstr(string, " role=");
-    if (role == NX_ROLE_OTHER) {
-        ds_put_cstr(string, "other");
-    } else if (role == NX_ROLE_MASTER) {
-        ds_put_cstr(string, "master");
-    } else if (role == NX_ROLE_SLAVE) {
-        ds_put_cstr(string, "slave");
-    } else {
-        ds_put_format(string, "%u", role);
-    }
-}
+    ds_put_char(s, ' ');
+    switch (gm.command) {
+    case OFPGC11_ADD:
+        ds_put_cstr(s, "ADD");
+        break;
 
-static void
-ofp_print_nxt_flow_mod_table_id(struct ds *string,
-                                const struct nx_flow_mod_table_id *nfmti)
-{
-    ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
-}
+    case OFPGC11_MODIFY:
+        ds_put_cstr(s, "MOD");
+        break;
 
-static void
-ofp_print_nxt_set_flow_format(struct ds *string,
-                              const struct nx_set_flow_format *nsff)
-{
-    uint32_t format = ntohl(nsff->format);
+    case OFPGC11_DELETE:
+        ds_put_cstr(s, "DEL");
+        break;
 
-    ds_put_cstr(string, " format=");
-    if (ofputil_nx_flow_format_is_valid(format)) {
-        ds_put_cstr(string, ofputil_nx_flow_format_to_string(format));
-    } else {
-        ds_put_format(string, "%"PRIu32, format);
-    }
-}
+    case OFPGC15_INSERT_BUCKET:
+        ds_put_cstr(s, "INSERT_BUCKET");
+        bucket_command = true;
+        break;
 
-static void
-ofp_print_nxt_set_packet_in_format(struct ds *string,
-                                   const struct nx_set_packet_in_format *nspf)
-{
-    uint32_t format = ntohl(nspf->format);
+    case OFPGC15_REMOVE_BUCKET:
+        ds_put_cstr(s, "REMOVE_BUCKET");
+        bucket_command = true;
+        break;
 
-    ds_put_cstr(string, " format=");
-    if (ofputil_packet_in_format_is_valid(format)) {
-        ds_put_cstr(string, ofputil_packet_in_format_to_string(format));
-    } else {
-        ds_put_format(string, "%"PRIu32, format);
+    default:
+        ds_put_format(s, "cmd:%"PRIu16"", gm.command);
     }
-}
+    ds_put_char(s, ' ');
 
-static const char *
-ofp_port_reason_to_string(enum ofp_port_reason reason)
-{
-    static char s[32];
+    if (bucket_command) {
+        ofp_print_bucket_id(s, "command_bucket_id:",
+                            gm.command_bucket_id, oh->version);
+    }
 
-    switch (reason) {
-    case OFPPR_ADD:
-        return "add";
+    ofp_print_group(s, gm.group_id, gm.type, &gm.buckets, &gm.props,
+                    oh->version, bucket_command);
+    ofputil_bucket_list_destroy(&gm.buckets);
+}
 
-    case OFPPR_DELETE:
-        return "delete";
+static void
+print_table_action_features(struct ds *s,
+                            const struct ofputil_table_action_features *taf)
+{
+    if (taf->ofpacts) {
+        ds_put_cstr(s, "        actions: ");
+        ofpact_bitmap_format(taf->ofpacts, s);
+        ds_put_char(s, '\n');
+    }
 
-    case OFPPR_MODIFY:
-        return "modify";
+    if (!bitmap_is_all_zeros(taf->set_fields.bm, MFF_N_IDS)) {
+        int i;
 
-    default:
-        sprintf(s, "%d", (int) reason);
-        return s;
+        ds_put_cstr(s, "        supported on Set-Field:");
+        BITMAP_FOR_EACH_1 (i, MFF_N_IDS, taf->set_fields.bm) {
+            ds_put_format(s, " %s", mf_from_id(i)->name);
+        }
+        ds_put_char(s, '\n');
     }
 }
 
-static void
-ofp_print_nxt_set_async_config(struct ds *string,
-                               const struct nx_async_config *nac)
+static bool
+table_action_features_equal(const struct ofputil_table_action_features *a,
+                            const struct ofputil_table_action_features *b)
 {
-    int i;
-
-    for (i = 0; i < 2; i++) {
-        int j;
+    return (a->ofpacts == b->ofpacts
+            && bitmap_equal(a->set_fields.bm, b->set_fields.bm, MFF_N_IDS));
+}
 
-        ds_put_format(string, "\n %s:\n", i == 0 ? "master" : "slave");
+static bool
+table_action_features_empty(const struct ofputil_table_action_features *taf)
+{
+    return !taf->ofpacts && bitmap_is_all_zeros(taf->set_fields.bm, MFF_N_IDS);
+}
 
-        ds_put_cstr(string, "       PACKET_IN:");
-        for (j = 0; j < 32; j++) {
-            if (nac->packet_in_mask[i] & htonl(1u << j)) {
-                ds_put_format(string, " %s",
-                              ofputil_packet_in_reason_to_string(j));
+static void
+print_table_instruction_features(
+    struct ds *s, const struct ofputil_table_instruction_features *tif)
+{
+    int start, end;
+
+    if (!bitmap_is_all_zeros(tif->next, 255)) {
+        ds_put_cstr(s, "      next tables: ");
+        for (start = bitmap_scan(tif->next, 1, 0, 255); start < 255;
+             start = bitmap_scan(tif->next, 1, end, 255)) {
+            end = bitmap_scan(tif->next, 0, start + 1, 255);
+            if (end == start + 1) {
+                ds_put_format(s, "%d,", start);
+            } else {
+                ds_put_format(s, "%d-%d,", start, end - 1);
             }
         }
-        if (!nac->packet_in_mask[i]) {
-            ds_put_cstr(string, " (off)");
+        ds_chomp(s, ',');
+        if (ds_last(s) == ' ') {
+            ds_put_cstr(s, "none");
         }
-        ds_put_char(string, '\n');
+        ds_put_char(s, '\n');
+    }
 
-        ds_put_cstr(string, "     PORT_STATUS:");
-        for (j = 0; j < 32; j++) {
-            if (nac->port_status_mask[i] & htonl(1u << j)) {
-                ds_put_format(string, " %s", ofp_port_reason_to_string(j));
-            }
-        }
-        if (!nac->port_status_mask[i]) {
-            ds_put_cstr(string, " (off)");
-        }
-        ds_put_char(string, '\n');
+    if (tif->instructions) {
+        ds_put_cstr(s, "      instructions: ");
+        int i;
 
-        ds_put_cstr(string, "    FLOW_REMOVED:");
-        for (j = 0; j < 32; j++) {
-            if (nac->flow_removed_mask[i] & htonl(1u << j)) {
-                ds_put_format(string, " %s",
-                              ofp_flow_removed_reason_to_string(j));
-            }
-        }
-        if (!nac->flow_removed_mask[i]) {
-            ds_put_cstr(string, " (off)");
+        for (i = 0; i < 32; i++) {
+            if (tif->instructions & (1u << i)) {
+                ds_put_format(s, "%s,", ovs_instruction_name_from_type(i));
+            }
         }
-        ds_put_char(string, '\n');
+        ds_chomp(s, ',');
+        ds_put_char(s, '\n');
+    }
+
+    if (!table_action_features_equal(&tif->write, &tif->apply)) {
+        ds_put_cstr(s, "      Write-Actions features:\n");
+        print_table_action_features(s, &tif->write);
+        ds_put_cstr(s, "      Apply-Actions features:\n");
+        print_table_action_features(s, &tif->apply);
+    } else if (tif->write.ofpacts
+               || !bitmap_is_all_zeros(tif->write.set_fields.bm, MFF_N_IDS)) {
+        ds_put_cstr(s, "      Write-Actions and Apply-Actions features:\n");
+        print_table_action_features(s, &tif->write);
     }
 }
 
-static void
-ofp_print_nxt_set_controller_id(struct ds *string,
-                                const struct nx_controller_id *nci)
+static bool
+table_instruction_features_equal(
+    const struct ofputil_table_instruction_features *a,
+    const struct ofputil_table_instruction_features *b)
 {
-    ds_put_format(string, " id=%"PRIu16, ntohs(nci->controller_id));
+    return (bitmap_equal(a->next, b->next, 255)
+            && a->instructions == b->instructions
+            && table_action_features_equal(&a->write, &b->write)
+            && table_action_features_equal(&a->apply, &b->apply));
 }
 
-static void
-ofp_print_nxt_flow_monitor_cancel(struct ds *string,
-                                  const struct ofp_header *oh)
+static bool
+table_instruction_features_empty(
+    const struct ofputil_table_instruction_features *tif)
 {
-    ds_put_format(string, " id=%"PRIu32,
-                  ofputil_decode_flow_monitor_cancel(oh));
+    return (bitmap_is_all_zeros(tif->next, 255)
+            && !tif->instructions
+            && table_action_features_empty(&tif->write)
+            && table_action_features_empty(&tif->apply));
 }
 
-static const char *
-nx_flow_monitor_flags_to_name(uint32_t bit)
+static void
+ofp_print_table_features(struct ds *s,
+                         const struct ofputil_table_features *features,
+                         const struct ofputil_table_stats *stats)
 {
-    enum nx_flow_monitor_flags fmf = bit;
+    int i;
 
-    switch (fmf) {
-    case NXFMF_INITIAL: return "initial";
-    case NXFMF_ADD: return "add";
-    case NXFMF_DELETE: return "delete";
-    case NXFMF_MODIFY: return "modify";
-    case NXFMF_ACTIONS: return "actions";
-    case NXFMF_OWN: return "own";
+    ds_put_format(s, "\n  table %"PRIu8, features->table_id);
+    if (features->name[0]) {
+        ds_put_format(s, " (\"%s\")", features->name);
+    }
+    ds_put_cstr(s, ":\n");
+    if (stats) {
+        ds_put_format(s, "    active=%"PRIu32", ", stats->active_count);
+        ds_put_format(s, "lookup=%"PRIu64", ", stats->lookup_count);
+        ds_put_format(s, "matched=%"PRIu64"\n", stats->matched_count);
+    }
+    if (features->metadata_match || features->metadata_match) {
+        ds_put_format(s, "    metadata: match=%#"PRIx64" write=%#"PRIx64"\n",
+                      ntohll(features->metadata_match),
+                      ntohll(features->metadata_write));
     }
 
-    return NULL;
+    if (features->miss_config != OFPUTIL_TABLE_MISS_DEFAULT) {
+        ds_put_format(s, "    config=%s\n",
+                      ofputil_table_miss_to_string(features->miss_config));
+    }
+
+    if (features->supports_eviction >= 0) {
+        ds_put_format(s, "    eviction: %ssupported\n",
+                      features->supports_eviction ? "" : "not ");
+
+    }
+    if (features->supports_vacancy_events >= 0) {
+        ds_put_format(s, "    vacancy events: %ssupported\n",
+                      features->supports_vacancy_events ? "" : "not ");
+
+    }
+
+    if (features->max_entries) {
+        ds_put_format(s, "    max_entries=%"PRIu32"\n", features->max_entries);
+    }
+
+    if (!table_instruction_features_equal(&features->nonmiss,
+                                          &features->miss)) {
+        ds_put_cstr(s, "    instructions (other than table miss):\n");
+        print_table_instruction_features(s, &features->nonmiss);
+        ds_put_cstr(s, "    instructions (table miss):\n");
+        print_table_instruction_features(s, &features->miss);
+    } else if (!table_instruction_features_empty(&features->nonmiss)) {
+        ds_put_cstr(s, "    instructions (table miss and others):\n");
+        print_table_instruction_features(s, &features->nonmiss);
+    }
+
+    if (!bitmap_is_all_zeros(features->match.bm, MFF_N_IDS)){
+        ds_put_cstr(s, "    matching:\n");
+        BITMAP_FOR_EACH_1 (i, MFF_N_IDS, features->match.bm) {
+            const struct mf_field *f = mf_from_id(i);
+            bool mask = bitmap_is_set(features->mask.bm, i);
+            bool wildcard = bitmap_is_set(features->wildcard.bm, i);
+
+            ds_put_format(s, "      %s: %s\n",
+                          f->name,
+                          (mask ? "arbitrary mask"
+                           : wildcard ? "exact match or wildcard"
+                           : "must exact match"));
+        }
+    }
 }
 
 static void
-ofp_print_nxst_flow_monitor_request(struct ds *string,
-                                    const struct ofp_header *oh)
+ofp_print_table_features_reply(struct ds *s, const struct ofp_header *oh)
 {
     struct ofpbuf b;
 
     ofpbuf_use_const(&b, oh, ntohs(oh->length));
+
     for (;;) {
-        struct ofputil_flow_monitor_request request;
+        struct ofputil_table_features tf;
         int retval;
 
-        retval = ofputil_decode_flow_monitor_request(&request, &b);
+        retval = ofputil_decode_table_features(&b, &tf, true);
         if (retval) {
             if (retval != EOF) {
-                ofp_print_error(string, retval);
+                ofp_print_error(s, retval);
             }
             return;
         }
-
-        ds_put_format(string, "\n id=%"PRIu32" flags=", request.id);
-        ofp_print_bit_names(string, request.flags,
-                            nx_flow_monitor_flags_to_name, ',');
-
-        if (request.out_port != OFPP_NONE) {
-            ds_put_cstr(string, " out_port=");
-            ofputil_format_port(request.out_port, string);
-        }
-
-        if (request.table_id != 0xff) {
-            ds_put_format(string, " table=%"PRIu8, request.table_id);
-        }
-
-        ds_put_char(string, ' ');
-        match_format(&request.match, string, OFP_DEFAULT_PRIORITY);
-        ds_chomp(string, ' ');
+        ofp_print_table_features(s, &tf, NULL);
     }
 }
 
 static void
-ofp_print_nxst_flow_monitor_reply(struct ds *string,
-                                  const struct ofp_header *oh)
+ofp_print_table_desc_reply(struct ds *s, const struct ofp_header *oh)
 {
-    uint64_t ofpacts_stub[1024 / 8];
-    struct ofpbuf ofpacts;
     struct ofpbuf b;
 
     ofpbuf_use_const(&b, oh, ntohs(oh->length));
-    ofpbuf_use_stub(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
+
     for (;;) {
-        struct ofputil_flow_update update;
-        struct match match;
+        struct ofputil_table_desc td;
         int retval;
 
-        update.match = &match;
-        retval = ofputil_decode_flow_update(&update, &b, &ofpacts);
+        retval = ofputil_decode_table_desc(&b, &td, oh->version);
         if (retval) {
             if (retval != EOF) {
-                ofp_print_error(string, retval);
+                ofp_print_error(s, retval);
             }
-            ofpbuf_uninit(&ofpacts);
             return;
         }
+        ofp_print_table_desc(s, &td);
+    }
+}
 
-        ds_put_cstr(string, "\n event=");
-        switch (update.event) {
-        case NXFME_ADDED:
-            ds_put_cstr(string, "ADDED");
-            break;
+static const char *
+bundle_flags_to_name(uint32_t bit)
+{
+    switch (bit) {
+    case OFPBF_ATOMIC:
+        return "atomic";
+    case OFPBF_ORDERED:
+        return "ordered";
+    default:
+        return NULL;
+    }
+}
 
-        case NXFME_DELETED:
-            ds_put_format(string, "DELETED reason=%s",
-                          ofp_flow_removed_reason_to_string(update.reason));
-            break;
+static void
+ofp_print_bundle_ctrl(struct ds *s, const struct ofp_header *oh)
+{
+    int error;
+    struct ofputil_bundle_ctrl_msg bctrl;
 
-        case NXFME_MODIFIED:
-            ds_put_cstr(string, "MODIFIED");
-            break;
+    error = ofputil_decode_bundle_ctrl(oh, &bctrl);
+    if (error) {
+        ofp_print_error(s, error);
+        return;
+    }
 
-        case NXFME_ABBREV:
-            ds_put_format(string, "ABBREV xid=0x%"PRIx32, ntohl(update.xid));
-            continue;
-        }
+    ds_put_char(s, '\n');
 
-        ds_put_format(string, " table=%"PRIu8, update.table_id);
-        if (update.idle_timeout != OFP_FLOW_PERMANENT) {
-            ds_put_format(string, " idle_timeout=%"PRIu16,
-                          update.idle_timeout);
-        }
-        if (update.hard_timeout != OFP_FLOW_PERMANENT) {
-            ds_put_format(string, " hard_timeout=%"PRIu16,
-                          update.hard_timeout);
-        }
-        ds_put_format(string, " cookie=%#"PRIx64, ntohll(update.cookie));
+    ds_put_format(s, " bundle_id=%#"PRIx32" type=",  bctrl.bundle_id);
+    switch (bctrl.type) {
+    case OFPBCT_OPEN_REQUEST:
+        ds_put_cstr(s, "OPEN_REQUEST");
+        break;
+    case OFPBCT_OPEN_REPLY:
+        ds_put_cstr(s, "OPEN_REPLY");
+        break;
+    case OFPBCT_CLOSE_REQUEST:
+        ds_put_cstr(s, "CLOSE_REQUEST");
+        break;
+    case OFPBCT_CLOSE_REPLY:
+        ds_put_cstr(s, "CLOSE_REPLY");
+        break;
+    case OFPBCT_COMMIT_REQUEST:
+        ds_put_cstr(s, "COMMIT_REQUEST");
+        break;
+    case OFPBCT_COMMIT_REPLY:
+        ds_put_cstr(s, "COMMIT_REPLY");
+        break;
+    case OFPBCT_DISCARD_REQUEST:
+        ds_put_cstr(s, "DISCARD_REQUEST");
+        break;
+    case OFPBCT_DISCARD_REPLY:
+        ds_put_cstr(s, "DISCARD_REPLY");
+        break;
+    }
 
-        ds_put_char(string, ' ');
-        match_format(update.match, string, OFP_DEFAULT_PRIORITY);
+    ds_put_cstr(s, " flags=");
+    ofp_print_bit_names(s, bctrl.flags, bundle_flags_to_name, ' ');
+}
 
-        if (update.ofpacts_len) {
-            if (string->string[string->length - 1] != ' ') {
-                ds_put_char(string, ' ');
-            }
-            ofpacts_format(update.ofpacts, update.ofpacts_len, string);
-        }
+static void
+ofp_print_bundle_add(struct ds *s, const struct ofp_header *oh, int verbosity)
+{
+    int error;
+    struct ofputil_bundle_add_msg badd;
+    char *msg;
+
+    error = ofputil_decode_bundle_add(oh, &badd, NULL);
+    if (error) {
+        ofp_print_error(s, error);
+        return;
+    }
+
+    ds_put_char(s, '\n');
+    ds_put_format(s, " bundle_id=%#"PRIx32,  badd.bundle_id);
+    ds_put_cstr(s, " flags=");
+    ofp_print_bit_names(s, badd.flags, bundle_flags_to_name, ' ');
+
+    ds_put_char(s, '\n');
+    msg = ofp_to_string(badd.msg, ntohs(badd.msg->length), verbosity);
+    if (msg) {
+        ds_put_cstr(s, msg);
     }
 }
 
-void
-ofp_print_version(const struct ofp_header *oh,
-                  struct ds *string)
+static void
+print_geneve_table(struct ds *s, struct ovs_list *mappings)
 {
-    switch (oh->version) {
-    case OFP10_VERSION:
-        break;
-    case OFP11_VERSION:
-        ds_put_cstr(string, " (OF1.1)");
+    struct ofputil_geneve_map *map;
+
+    ds_put_cstr(s, " mapping table:\n");
+    ds_put_cstr(s, " class\ttype\tlength\tmatch field\n");
+    ds_put_cstr(s, " -----\t----\t------\t-----------");
+
+    LIST_FOR_EACH (map, list_node, mappings) {
+        ds_put_char(s, '\n');
+        ds_put_format(s, " 0x%"PRIx16"\t0x%"PRIx8"\t%"PRIu8"\ttun_metadata%"PRIu16,
+                      map->option_class, map->option_type, map->option_len,
+                      map->index);
+    }
+}
+
+static void
+ofp_print_geneve_table_mod(struct ds *s, const struct ofp_header *oh)
+{
+    int error;
+    struct ofputil_geneve_table_mod gtm;
+
+    error = ofputil_decode_geneve_table_mod(oh, &gtm);
+    if (error) {
+        ofp_print_error(s, error);
+        return;
+    }
+
+    ds_put_cstr(s, "\n ");
+
+    switch (gtm.command) {
+    case NXGTMC_ADD:
+        ds_put_cstr(s, "ADD");
         break;
-    case OFP12_VERSION:
-        ds_put_cstr(string, " (OF1.2)");
+    case NXGTMC_DELETE:
+        ds_put_cstr(s, "DEL");
         break;
-    default:
-        ds_put_format(string, " (OF 0x%02"PRIx8")", oh->version);
+    case NXGTMC_CLEAR:
+        ds_put_cstr(s, "CLEAR");
         break;
     }
-    ds_put_format(string, " (xid=0x%"PRIx32"):", ntohl(oh->xid));
+
+    if (gtm.command != NXGTMC_CLEAR) {
+        print_geneve_table(s, &gtm.mappings);
+    }
+
+    ofputil_uninit_geneve_table(&gtm.mappings);
 }
 
 static void
-ofp_header_to_string__(const struct ofp_header *oh, enum ofpraw raw,
-                       struct ds *string)
+ofp_print_geneve_table_reply(struct ds *s, const struct ofp_header *oh)
 {
-    ds_put_cstr(string, ofpraw_get_name(raw));
-    ofp_print_version(oh, string);
+    int error;
+    struct ofputil_geneve_table_reply gtr;
+    struct ofputil_geneve_map *map;
+    int allocated_space = 0;
+
+    error = ofputil_decode_geneve_table_reply(oh, &gtr);
+    if (error) {
+        ofp_print_error(s, error);
+        return;
+    }
+
+    ds_put_char(s, '\n');
+
+    LIST_FOR_EACH (map, list_node, &gtr.mappings) {
+        allocated_space += map->option_len;
+    }
+
+    ds_put_format(s, " max option space=%"PRIu32" max fields=%"PRIu16"\n",
+                  gtr.max_option_space, gtr.max_fields);
+    ds_put_format(s, " allocated option space=%d\n", allocated_space);
+    ds_put_char(s, '\n');
+    print_geneve_table(s, &gtr.mappings);
+
+    ofputil_uninit_geneve_table(&gtr.mappings);
 }
 
 static void
@@ -1728,10 +2812,49 @@ ofp_to_string__(const struct ofp_header *oh, enum ofpraw raw,
 
     ofp_header_to_string__(oh, raw, string);
     switch (ofptype_from_ofpraw(raw)) {
+
+    case OFPTYPE_GROUP_STATS_REQUEST:
+        ofp_print_stats(string, oh);
+        ofp_print_ofpst_group_request(string, oh);
+        break;
+
+    case OFPTYPE_GROUP_STATS_REPLY:
+        ofp_print_group_stats(string, oh);
+        break;
+
+    case OFPTYPE_GROUP_DESC_STATS_REQUEST:
+        ofp_print_stats(string, oh);
+        ofp_print_ofpst_group_desc_request(string, oh);
+        break;
+
+    case OFPTYPE_GROUP_DESC_STATS_REPLY:
+        ofp_print_group_desc(string, oh);
+        break;
+
+    case OFPTYPE_GROUP_FEATURES_STATS_REQUEST:
+        ofp_print_stats(string, oh);
+        break;
+
+    case OFPTYPE_GROUP_FEATURES_STATS_REPLY:
+        ofp_print_group_features(string, oh);
+        break;
+
+    case OFPTYPE_GROUP_MOD:
+        ofp_print_group_mod(string, oh);
+        break;
+
+    case OFPTYPE_TABLE_FEATURES_STATS_REQUEST:
+    case OFPTYPE_TABLE_FEATURES_STATS_REPLY:
+        ofp_print_table_features_reply(string, oh);
+        break;
+
+    case OFPTYPE_TABLE_DESC_REQUEST:
+    case OFPTYPE_TABLE_DESC_REPLY:
+        ofp_print_table_desc_reply(string, oh);
+        break;
+
     case OFPTYPE_HELLO:
-        ds_put_char(string, '\n');
-        ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
-                        0, true);
+        ofp_print_hello(string, oh);
         break;
 
     case OFPTYPE_ERROR:
@@ -1782,73 +2905,118 @@ ofp_to_string__(const struct ofp_header *oh, enum ofpraw raw,
         ofp_print_port_mod(string, oh);
         break;
 
+    case OFPTYPE_TABLE_MOD:
+        ofp_print_table_mod(string, oh);
+        break;
+
+    case OFPTYPE_METER_MOD:
+        ofp_print_meter_mod(string, oh);
+        break;
+
     case OFPTYPE_BARRIER_REQUEST:
     case OFPTYPE_BARRIER_REPLY:
         break;
 
+    case OFPTYPE_QUEUE_GET_CONFIG_REQUEST:
+        ofp_print_queue_get_config_request(string, oh);
+        break;
+
+    case OFPTYPE_QUEUE_GET_CONFIG_REPLY:
+        ofp_print_queue_get_config_reply(string, oh);
+        break;
+
+    case OFPTYPE_ROLE_REQUEST:
+    case OFPTYPE_ROLE_REPLY:
+        ofp_print_role_message(string, oh);
+        break;
+    case OFPTYPE_ROLE_STATUS:
+        ofp_print_role_status_message(string, oh);
+        break;
+
+    case OFPTYPE_METER_STATS_REQUEST:
+    case OFPTYPE_METER_CONFIG_STATS_REQUEST:
+        ofp_print_stats(string, oh);
+        ofp_print_meter_stats_request(string, oh);
+        break;
+
+    case OFPTYPE_METER_STATS_REPLY:
+        ofp_print_stats(string, oh);
+        ofp_print_meter_stats_reply(string, oh);
+        break;
+
+    case OFPTYPE_METER_CONFIG_STATS_REPLY:
+        ofp_print_stats(string, oh);
+        ofp_print_meter_config_reply(string, oh);
+        break;
+
+    case OFPTYPE_METER_FEATURES_STATS_REPLY:
+        ofp_print_stats(string, oh);
+        ofp_print_meter_features_reply(string, oh);
+        break;
+
     case OFPTYPE_DESC_STATS_REQUEST:
-    case OFPTYPE_PORT_DESC_STATS_REQUEST:
-        ofp_print_stats_request(string, oh);
+    case OFPTYPE_METER_FEATURES_STATS_REQUEST:
+        ofp_print_stats(string, oh);
         break;
 
     case OFPTYPE_FLOW_STATS_REQUEST:
     case OFPTYPE_AGGREGATE_STATS_REQUEST:
-        ofp_print_stats_request(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_flow_stats_request(string, oh);
         break;
 
     case OFPTYPE_TABLE_STATS_REQUEST:
-        ofp_print_stats_request(string, oh);
+        ofp_print_stats(string, oh);
         break;
 
     case OFPTYPE_PORT_STATS_REQUEST:
-        ofp_print_stats_request(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_ofpst_port_request(string, oh);
         break;
 
     case OFPTYPE_QUEUE_STATS_REQUEST:
-        ofp_print_stats_request(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_ofpst_queue_request(string, oh);
         break;
 
     case OFPTYPE_DESC_STATS_REPLY:
-        ofp_print_stats_reply(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_ofpst_desc_reply(string, oh);
         break;
 
     case OFPTYPE_FLOW_STATS_REPLY:
-        ofp_print_stats_reply(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_flow_stats_reply(string, oh);
         break;
 
     case OFPTYPE_QUEUE_STATS_REPLY:
-        ofp_print_stats_reply(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_ofpst_queue_reply(string, oh, verbosity);
         break;
 
     case OFPTYPE_PORT_STATS_REPLY:
-        ofp_print_stats_reply(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_ofpst_port_reply(string, oh, verbosity);
         break;
 
     case OFPTYPE_TABLE_STATS_REPLY:
-        ofp_print_stats_reply(string, oh);
-        ofp_print_ofpst_table_reply(string, oh, verbosity);
+        ofp_print_stats(string, oh);
+        ofp_print_table_stats_reply(string, oh);
         break;
 
     case OFPTYPE_AGGREGATE_STATS_REPLY:
-        ofp_print_stats_reply(string, oh);
+        ofp_print_stats(string, oh);
         ofp_print_aggregate_stats_reply(string, oh);
         break;
 
-    case OFPTYPE_PORT_DESC_STATS_REPLY:
-        ofp_print_stats_reply(string, oh);
-        ofp_print_ofpst_port_desc_reply(string, oh);
+    case OFPTYPE_PORT_DESC_STATS_REQUEST:
+        ofp_print_stats(string, oh);
+        ofp_print_ofpst_port_desc_request(string, oh);
         break;
 
-    case OFPTYPE_ROLE_REQUEST:
-    case OFPTYPE_ROLE_REPLY:
-        ofp_print_nxt_role_message(string, ofpmsg_body(oh));
+    case OFPTYPE_PORT_DESC_STATS_REPLY:
+        ofp_print_stats(string, oh);
+        ofp_print_ofpst_port_desc_reply(string, oh);
         break;
 
     case OFPTYPE_FLOW_MOD_TABLE_ID:
@@ -1870,10 +3038,12 @@ ofp_to_string__(const struct ofp_header *oh, enum ofpraw raw,
         ofp_print_nxt_set_controller_id(string, ofpmsg_body(oh));
         break;
 
+    case OFPTYPE_GET_ASYNC_REPLY:
     case OFPTYPE_SET_ASYNC_CONFIG:
         ofp_print_nxt_set_async_config(string, ofpmsg_body(oh));
         break;
-
+    case OFPTYPE_GET_ASYNC_REQUEST:
+        break;
     case OFPTYPE_FLOW_MONITOR_CANCEL:
         ofp_print_nxt_flow_monitor_cancel(string, msg);
         break;
@@ -1889,6 +3059,26 @@ ofp_to_string__(const struct ofp_header *oh, enum ofpraw raw,
     case OFPTYPE_FLOW_MONITOR_STATS_REPLY:
         ofp_print_nxst_flow_monitor_reply(string, msg);
         break;
+
+    case OFPTYPE_BUNDLE_CONTROL:
+        ofp_print_bundle_ctrl(string, msg);
+        break;
+
+    case OFPTYPE_BUNDLE_ADD_MESSAGE:
+        ofp_print_bundle_add(string, msg, verbosity);
+        break;
+
+    case OFPTYPE_NXT_GENEVE_TABLE_MOD:
+        ofp_print_geneve_table_mod(string, msg);
+        break;
+
+    case OFPTYPE_NXT_GENEVE_TABLE_REQUEST:
+        break;
+
+    case OFPTYPE_NXT_GENEVE_TABLE_REPLY:
+        ofp_print_geneve_table_reply(string, msg);
+        break;
+
     }
 }
 
@@ -1905,7 +3095,7 @@ ofp_to_string(const void *oh_, size_t len, int verbosity)
     if (!len) {
         ds_put_cstr(&string, "OpenFlow message is empty\n");
     } else if (len < sizeof(struct ofp_header)) {
-        ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
+        ds_put_format(&string, "OpenFlow packet too short (only %"PRIuSIZE" bytes):\n",
                       len);
     } else if (ntohs(oh->length) > len) {
         enum ofperr error;
@@ -1918,11 +3108,11 @@ ofp_to_string(const void *oh_, size_t len, int verbosity)
         }
 
         ds_put_format(&string,
-                      "(***truncated to %zu bytes from %"PRIu16"***)\n",
+                      "(***truncated to %"PRIuSIZE" bytes from %"PRIu16"***)\n",
                       len, ntohs(oh->length));
     } else if (ntohs(oh->length) < len) {
         ds_put_format(&string,
-                      "(***only uses %"PRIu16" bytes out of %zu***)\n",
+                      "(***only uses %"PRIu16" bytes out of %"PRIuSIZE"***)\n",
                       ntohs(oh->length), len);
     } else {
         enum ofperr error;