command-line: add ovs_cmdl_ prefix
[cascardo/ovs.git] / utilities / ovs-ofctl.c
index 6235462..89b89a9 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 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.
@@ -50,6 +50,7 @@
 #include "ofproto/ofproto.h"
 #include "openflow/nicira-ext.h"
 #include "openflow/openflow.h"
+#include "dp-packet.h"
 #include "packets.h"
 #include "pcap-file.h"
 #include "poll-loop.h"
@@ -59,8 +60,8 @@
 #include "timeval.h"
 #include "unixctl.h"
 #include "util.h"
-#include "vconn.h"
-#include "vlog.h"
+#include "openvswitch/vconn.h"
+#include "openvswitch/vlog.h"
 #include "meta-flow.h"
 #include "sort.h"
 
@@ -104,9 +105,9 @@ struct sort_criterion {
 static struct sort_criterion *criteria;
 static size_t n_criteria, allocated_criteria;
 
-static const struct command *get_all_commands(void);
+static const struct ovs_cmdl_command *get_all_commands(void);
 
-static void usage(void) NO_RETURN;
+OVS_NO_RETURN static void usage(void);
 static void parse_options(int argc, char *argv[]);
 
 static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid,
@@ -120,7 +121,7 @@ main(int argc, char *argv[])
     service_start(&argc, &argv);
     parse_options(argc, argv);
     fatal_ignore_sigpipe();
-    run_command(argc - optind, argv + optind, get_all_commands());
+    ovs_cmdl_run_command(argc - optind, argv + optind, get_all_commands());
     return 0;
 }
 
@@ -171,13 +172,14 @@ parse_options(int argc, char *argv[])
         {"rsort", optional_argument, NULL, OPT_RSORT},
         {"unixctl",     required_argument, NULL, OPT_UNIXCTL},
         {"help", no_argument, NULL, 'h'},
+        {"option", no_argument, NULL, 'o'},
         DAEMON_LONG_OPTIONS,
         OFP_VERSION_LONG_OPTIONS,
         VLOG_LONG_OPTIONS,
         STREAM_SSL_LONG_OPTIONS,
         {NULL, 0, NULL, 0},
     };
-    char *short_options = long_options_to_short_options(long_options);
+    char *short_options = ovs_cmdl_long_options_to_short_options(long_options);
     uint32_t versions;
     enum ofputil_protocol version_protocols;
 
@@ -240,6 +242,10 @@ parse_options(int argc, char *argv[])
         case 'h':
             usage();
 
+        case 'o':
+            ovs_cmdl_print_options(long_options);
+            exit(EXIT_SUCCESS);
+
         case OPT_STRICT:
             strict = true;
             break;
@@ -334,9 +340,11 @@ usage(void)
            "                              print packets received from SWITCH\n"
            "  snoop SWITCH                snoop on SWITCH and its controller\n"
            "  add-group SWITCH GROUP      add group described by GROUP\n"
-           "  add-group SWITCH FILE       add group from FILE\n"
+           "  add-groups SWITCH FILE      add group from FILE\n"
            "  mod-group SWITCH GROUP      modify specific group\n"
            "  del-groups SWITCH [GROUP]   delete matching GROUPs\n"
+           "  insert-buckets SWITCH [GROUP] add buckets to GROUP\n"
+           "  remove-buckets SWITCH [GROUP] remove buckets from GROUP\n"
            "  dump-group-features SWITCH  print group features\n"
            "  dump-groups SWITCH [GROUP]  print group description\n"
            "  dump-group-stats SWITCH [GROUP]  print group statistics\n"
@@ -388,7 +396,7 @@ ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
 }
 
 static void run(int retval, const char *message, ...)
-    PRINTF_FORMAT(2, 3);
+    OVS_PRINTF_FORMAT(2, 3);
 
 static void
 run(int retval, const char *message, ...)
@@ -497,7 +505,7 @@ dump_transaction(struct vconn *vconn, struct ofpbuf *request)
     ofpmsg_update_length(request);
     run(vconn_transact(vconn, request, &reply), "talking to %s",
         vconn_get_name(vconn));
-    ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
+    ofp_print(stdout, reply->data, reply->size, verbosity + 1);
     ofpbuf_delete(reply);
 }
 
@@ -516,13 +524,13 @@ dump_trivial_transaction(const char *vconn_name, enum ofpraw raw)
 static void
 dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request)
 {
-    const struct ofp_header *request_oh = ofpbuf_data(request);
+    const struct ofp_header *request_oh = request->data;
     ovs_be32 send_xid = request_oh->xid;
     enum ofpraw request_raw;
     enum ofpraw reply_raw;
     bool done = false;
 
-    ofpraw_decode_partial(&request_raw, ofpbuf_data(request), ofpbuf_size(request));
+    ofpraw_decode_partial(&request_raw, request->data, request->size);
     reply_raw = ofpraw_stats_request_to_reply(request_raw,
                                               request_oh->version);
 
@@ -532,20 +540,20 @@ dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request)
         struct ofpbuf *reply;
 
         run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
-        recv_xid = ((struct ofp_header *) ofpbuf_data(reply))->xid;
+        recv_xid = ((struct ofp_header *) reply->data)->xid;
         if (send_xid == recv_xid) {
             enum ofpraw raw;
 
-            ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
+            ofp_print(stdout, reply->data, reply->size, verbosity + 1);
 
-            ofpraw_decode(&raw, ofpbuf_data(reply));
+            ofpraw_decode(&raw, reply->data);
             if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) {
                 done = true;
             } else if (raw == reply_raw) {
-                done = !ofpmp_more(ofpbuf_data(reply));
+                done = !ofpmp_more(reply->data);
             } else {
                 ovs_fatal(0, "received bad reply: %s",
-                          ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
+                          ofp_to_string(reply->data, reply->size,
                                         verbosity + 1));
             }
         } else {
@@ -574,7 +582,7 @@ dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw)
  *
  * Destroys all of the 'requests'. */
 static void
-transact_multiple_noreply(struct vconn *vconn, struct list *requests)
+transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests)
 {
     struct ofpbuf *request, *reply;
 
@@ -585,7 +593,7 @@ transact_multiple_noreply(struct vconn *vconn, struct list *requests)
     run(vconn_transact_multiple_noreply(vconn, requests, &reply),
         "talking to %s", vconn_get_name(vconn));
     if (reply) {
-        ofp_print(stderr, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 2);
+        ofp_print(stderr, reply->data, reply->size, verbosity + 2);
         exit(1);
     }
     ofpbuf_delete(reply);
@@ -599,7 +607,7 @@ transact_multiple_noreply(struct vconn *vconn, struct list *requests)
 static void
 transact_noreply(struct vconn *vconn, struct ofpbuf *request)
 {
-    struct list requests;
+    struct ovs_list requests;
 
     list_init(&requests);
     list_push_back(&requests, &request->list_node);
@@ -656,7 +664,7 @@ ofctl_show(int argc OVS_UNUSED, char *argv[])
     run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
 
     has_ports = ofputil_switch_features_has_ports(reply);
-    ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
+    ofp_print(stdout, reply->data, reply->size, verbosity + 1);
     ofpbuf_delete(reply);
 
     if (!has_ports) {
@@ -723,8 +731,8 @@ fetch_port_by_features(struct vconn *vconn,
     run(vconn_transact(vconn, request, &reply),
         "talking to %s", vconn_get_name(vconn));
 
-    oh = ofpbuf_data(reply);
-    if (ofptype_decode(&type, ofpbuf_data(reply))
+    oh = reply->data;
+    if (ofptype_decode(&type, reply->data)
         || type != OFPTYPE_FEATURES_REPLY) {
         ovs_fatal(0, "%s: received bad features reply", vconn_get_name(vconn));
     }
@@ -775,7 +783,7 @@ fetch_port_by_stats(struct vconn *vconn,
 
     request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn),
                                                      port_no);
-    send_xid = ((struct ofp_header *) ofpbuf_data(request))->xid;
+    send_xid = ((struct ofp_header *) request->data)->xid;
 
     send_openflow_buffer(vconn, request);
     while (!done) {
@@ -783,9 +791,9 @@ fetch_port_by_stats(struct vconn *vconn,
         struct ofpbuf *reply;
 
         run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
-        recv_xid = ((struct ofp_header *) ofpbuf_data(reply))->xid;
+        recv_xid = ((struct ofp_header *) reply->data)->xid;
         if (send_xid == recv_xid) {
-            struct ofp_header *oh = ofpbuf_data(reply);
+            struct ofp_header *oh = reply->data;
             enum ofptype type;
             struct ofpbuf b;
             uint16_t flags;
@@ -794,7 +802,7 @@ fetch_port_by_stats(struct vconn *vconn,
             if (ofptype_pull(&type, &b)
                 || type != OFPTYPE_PORT_DESC_STATS_REPLY) {
                 ovs_fatal(0, "received bad reply: %s",
-                          ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
+                          ofp_to_string(reply->data, reply->size,
                                         verbosity + 1));
             }
 
@@ -898,7 +906,7 @@ try_set_protocol(struct vconn *vconn, enum ofputil_protocol want,
         run(vconn_transact_noreply(vconn, request, &reply),
             "talking to %s", vconn_get_name(vconn));
         if (reply) {
-            char *s = ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply), 2);
+            char *s = ofp_to_string(reply->data, reply->size, 2);
             VLOG_DBG("%s: failed to set protocol, switch replied: %s",
                      vconn_get_name(vconn), s);
             free(s);
@@ -984,8 +992,8 @@ compare_flows(const void *afs_, const void *bfs_)
         int ret;
 
         if (!f) {
-            unsigned int a_pri = afs->priority;
-            unsigned int b_pri = bfs->priority;
+            int a_pri = afs->priority;
+            int b_pri = bfs->priority;
             ret = a_pri < b_pri ? -1 : a_pri > b_pri;
         } else {
             bool ina, inb;
@@ -1018,7 +1026,8 @@ static void
 ofctl_dump_flows(int argc, char *argv[])
 {
     if (!n_criteria) {
-        return ofctl_dump_flows__(argc, argv, false);
+        ofctl_dump_flows__(argc, argv, false);
+        return;
     } else {
         struct ofputil_flow_stats *fses;
         size_t n_fses, allocated_fses;
@@ -1031,7 +1040,7 @@ ofctl_dump_flows(int argc, char *argv[])
         size_t i;
 
         vconn = prepare_dump_flows(argc, argv, false, &request);
-        send_xid = ((struct ofp_header *) ofpbuf_data(request))->xid;
+        send_xid = ((struct ofp_header *) request->data)->xid;
         send_openflow_buffer(vconn, request);
 
         fses = NULL;
@@ -1077,7 +1086,7 @@ ofctl_dump_flows(int argc, char *argv[])
 static void
 ofctl_dump_aggregate(int argc, char *argv[])
 {
-    return ofctl_dump_flows__(argc, argv, true);
+    ofctl_dump_flows__(argc, argv, true);
 }
 
 static void
@@ -1301,13 +1310,13 @@ openflow_from_hex(const char *hex, struct ofpbuf **msgp)
         return "Trailing garbage in hex data";
     }
 
-    if (ofpbuf_size(msg) < sizeof(struct ofp_header)) {
+    if (msg->size < sizeof(struct ofp_header)) {
         ofpbuf_delete(msg);
         return "Message too short for OpenFlow";
     }
 
-    oh = ofpbuf_data(msg);
-    if (ofpbuf_size(msg) != ntohs(oh->length)) {
+    oh = msg->data;
+    if (msg->size != ntohs(oh->length)) {
         ofpbuf_delete(msg);
         return "Message size does not match length in OpenFlow header";
     }
@@ -1340,7 +1349,7 @@ ofctl_send(struct unixctl_conn *conn, int argc,
         }
 
         fprintf(stderr, "send: ");
-        ofp_print(stderr, ofpbuf_data(msg), ofpbuf_size(msg), verbosity);
+        ofp_print(stderr, msg->data, msg->size, verbosity);
 
         error = vconn_send_block(vconn, msg);
         if (error) {
@@ -1489,8 +1498,8 @@ monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests)
                 free(s);
             }
 
-            ofptype_decode(&type, ofpbuf_data(b));
-            ofp_print(stderr, ofpbuf_data(b), ofpbuf_size(b), verbosity + 2);
+            ofptype_decode(&type, b->data);
+            ofp_print(stderr, b->data, b->size, verbosity + 2);
             fflush(stderr);
 
             switch ((int) type) {
@@ -1505,7 +1514,7 @@ monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests)
                 if (reply_to_echo_requests) {
                     struct ofpbuf *reply;
 
-                    reply = make_echo_reply(ofpbuf_data(b));
+                    reply = make_echo_reply(b->data);
                     retval = vconn_send_block(vconn, reply);
                     if (retval) {
                         ovs_fatal(retval, "failed to send echo reply");
@@ -1585,7 +1594,7 @@ ofctl_monitor(int argc, char *argv[])
             run(vconn_transact_noreply(vconn, spif, &reply),
                 "talking to %s", vconn_get_name(vconn));
             if (reply) {
-                char *s = ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply), 2);
+                char *s = ofp_to_string(reply->data, reply->size, 2);
                 VLOG_DBG("%s: failed to set packet in format to nxm, controller"
                         " replied: %s. Falling back to the switch default.",
                         vconn_get_name(vconn), s);
@@ -1656,7 +1665,7 @@ ofctl_probe(int argc OVS_UNUSED, char *argv[])
     open_vconn(argv[1], &vconn);
     request = make_echo_request(vconn_get_version(vconn));
     run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
-    if (ofpbuf_size(reply) != sizeof(struct ofp_header)) {
+    if (reply->size != sizeof(struct ofp_header)) {
         ovs_fatal(0, "reply does not match request");
     }
     ofpbuf_delete(reply);
@@ -1675,19 +1684,20 @@ ofctl_packet_out(int argc, char *argv[])
     enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */
 
     ofpbuf_init(&ofpacts, 64);
-    error = parse_ofpacts(argv[3], &ofpacts, &usable_protocols);
+    error = ofpacts_parse_actions(argv[3], &ofpacts, &usable_protocols);
     if (error) {
         ovs_fatal(0, "%s", error);
     }
 
     po.buffer_id = UINT32_MAX;
     po.in_port = str_to_port_no(argv[1], argv[2]);
-    po.ofpacts = ofpbuf_data(&ofpacts);
-    po.ofpacts_len = ofpbuf_size(&ofpacts);
+    po.ofpacts = ofpacts.data;
+    po.ofpacts_len = ofpacts.size;
 
     protocol = open_vconn(argv[1], &vconn);
     for (i = 4; i < argc; i++) {
-        struct ofpbuf *packet, *opo;
+        struct dp_packet *packet;
+        struct ofpbuf *opo;
         const char *error_msg;
 
         error_msg = eth_from_hex(argv[i], &packet);
@@ -1695,11 +1705,11 @@ ofctl_packet_out(int argc, char *argv[])
             ovs_fatal(0, "%s", error_msg);
         }
 
-        po.packet = ofpbuf_data(packet);
-        po.packet_len = ofpbuf_size(packet);
+        po.packet = dp_packet_data(packet);
+        po.packet_len = dp_packet_size(packet);
         opo = ofputil_encode_packet_out(&po, protocol);
         transact_noreply(vconn, opo);
-        ofpbuf_delete(packet);
+        dp_packet_delete(packet);
     }
     vconn_close(vconn);
     ofpbuf_uninit(&ofpacts);
@@ -1887,7 +1897,7 @@ ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[])
             ovs_fatal(0, "%s: unexpected end of file mid-message", filename);
         }
 
-        ofp_print(stdout, ofpbuf_data(&b), ofpbuf_size(&b), verbosity + 2);
+        ofp_print(stdout, b.data, b.size, verbosity + 2);
     }
     ofpbuf_uninit(&b);
 
@@ -1930,33 +1940,33 @@ ofctl_ofp_parse_pcap(int argc OVS_UNUSED, char *argv[])
     reader = tcp_reader_open();
     first = true;
     for (;;) {
-        struct ofpbuf *packet;
+        struct dp_packet *packet;
         long long int when;
         struct flow flow;
-        const struct pkt_metadata md = PKT_METADATA_INITIALIZER(ODPP_NONE);
 
         error = ovs_pcap_read(file, &packet, &when);
         if (error) {
             break;
         }
-        flow_extract(packet, &md, &flow);
+        packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE);
+        flow_extract(packet, &flow);
         if (flow.dl_type == htons(ETH_TYPE_IP)
             && flow.nw_proto == IPPROTO_TCP
             && (is_openflow_port(flow.tp_src, argv + 2) ||
                 is_openflow_port(flow.tp_dst, argv + 2))) {
-            struct ofpbuf *payload = tcp_reader_run(reader, &flow, packet);
+            struct dp_packet *payload = tcp_reader_run(reader, &flow, packet);
             if (payload) {
-                while (ofpbuf_size(payload) >= sizeof(struct ofp_header)) {
+                while (dp_packet_size(payload) >= sizeof(struct ofp_header)) {
                     const struct ofp_header *oh;
-                    void *data = ofpbuf_data(payload);
+                    void *data = dp_packet_data(payload);
                     int length;
 
                     /* Align OpenFlow on 8-byte boundary for safe access. */
-                    ofpbuf_shift(payload, -((intptr_t) data & 7));
+                    dp_packet_shift(payload, -((intptr_t) data & 7));
 
-                    oh = ofpbuf_data(payload);
+                    oh = dp_packet_data(payload);
                     length = ntohs(oh->length);
-                    if (ofpbuf_size(payload) < length) {
+                    if (dp_packet_size(payload) < length) {
                         break;
                     }
 
@@ -1974,12 +1984,12 @@ ofctl_ofp_parse_pcap(int argc OVS_UNUSED, char *argv[])
                     printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n",
                            IP_ARGS(flow.nw_src), ntohs(flow.tp_src),
                            IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst));
-                    ofp_print(stdout, ofpbuf_data(payload), length, verbosity + 1);
-                    ofpbuf_pull(payload, length);
+                    ofp_print(stdout, dp_packet_data(payload), length, verbosity + 1);
+                    dp_packet_pull(payload, length);
                 }
             }
         }
-        ofpbuf_delete(packet);
+        dp_packet_delete(packet);
     }
     tcp_reader_close(reader);
 }
@@ -2012,18 +2022,18 @@ ofctl_ping(int argc, char *argv[])
         run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
         xgettimeofday(&end);
 
-        rpy_hdr = ofpbuf_data(reply);
+        rpy_hdr = reply->data;
         if (ofptype_pull(&type, reply)
             || type != OFPTYPE_ECHO_REPLY
-            || ofpbuf_size(reply) != payload
-            || memcmp(ofpbuf_l3(request), ofpbuf_l3(reply), payload)) {
+            || reply->size != payload
+            || memcmp(request->msg, reply->msg, payload)) {
             printf("Reply does not match request.  Request:\n");
-            ofp_print(stdout, request, ofpbuf_size(request), verbosity + 2);
+            ofp_print(stdout, request, request->size, verbosity + 2);
             printf("Reply:\n");
-            ofp_print(stdout, reply, ofpbuf_size(reply), verbosity + 2);
+            ofp_print(stdout, reply, reply->size, verbosity + 2);
         }
         printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
-               ofpbuf_size(reply), argv[1], ntohl(rpy_hdr->xid),
+               reply->size, argv[1], ntohl(rpy_hdr->xid),
                    (1000*(double)(end.tv_sec - start.tv_sec))
                    + (.001*(end.tv_usec - start.tv_usec)));
         ofpbuf_delete(request);
@@ -2077,19 +2087,22 @@ ofctl_benchmark(int argc OVS_UNUSED, char *argv[])
 
 static void
 ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms,
-                 size_t n_gms)
+                  size_t n_gms, enum ofputil_protocol usable_protocols)
 {
+    enum ofputil_protocol protocol;
     struct ofputil_group_mod *gm;
+    enum ofp_version version;
     struct ofpbuf *request;
 
     struct vconn *vconn;
     size_t i;
 
-    open_vconn(remote, &vconn);
+    protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols);
+    version = ofputil_protocol_to_ofp_version(protocol);
 
     for (i = 0; i < n_gms; i++) {
         gm = &gms[i];
-        request = ofputil_encode_group_mod(vconn_get_version(vconn), gm);
+        request = ofputil_encode_group_mod(version, gm);
         if (request) {
             transact_noreply(vconn, request);
         }
@@ -2107,13 +2120,17 @@ ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
     enum ofputil_protocol usable_protocols;
     size_t n_gms = 0;
     char *error;
+    int i;
 
     error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms,
                                      &usable_protocols);
     if (error) {
         ovs_fatal(0, "%s", error);
     }
-    ofctl_group_mod__(argv[1], gms, n_gms);
+    ofctl_group_mod__(argv[1], gms, n_gms, usable_protocols);
+    for (i = 0; i < n_gms; i++) {
+        ofputil_bucket_list_destroy(&gms[i].buckets);
+    }
     free(gms);
 }
 
@@ -2132,7 +2149,8 @@ ofctl_group_mod(int argc, char *argv[], uint16_t command)
         if (error) {
             ovs_fatal(0, "%s", error);
         }
-        ofctl_group_mod__(argv[1], &gm, 1);
+        ofctl_group_mod__(argv[1], &gm, 1, usable_protocols);
+        ofputil_bucket_list_destroy(&gm.buckets);
     }
 }
 
@@ -2160,6 +2178,18 @@ ofctl_del_groups(int argc, char *argv[])
     ofctl_group_mod(argc, argv, OFPGC11_DELETE);
 }
 
+static void
+ofctl_insert_bucket(int argc, char *argv[])
+{
+    ofctl_group_mod(argc, argv, OFPGC15_INSERT_BUCKET);
+}
+
+static void
+ofctl_remove_bucket(int argc, char *argv[])
+{
+    ofctl_group_mod(argc, argv, OFPGC15_REMOVE_BUCKET);
+}
+
 static void
 ofctl_dump_group_stats(int argc, char *argv[])
 {
@@ -2233,6 +2263,12 @@ ofctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
 {
     usage();
 }
+
+static void
+ofctl_list_commands(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+    ovs_cmdl_print_commands(get_all_commands());
+}
 \f
 /* replace-flows and diff-flows commands. */
 
@@ -2247,6 +2283,7 @@ struct fte_version {
     ovs_be64 cookie;
     uint16_t idle_timeout;
     uint16_t hard_timeout;
+    uint16_t importance;
     uint16_t flags;
     struct ofpact *ofpacts;
     size_t ofpacts_len;
@@ -2272,6 +2309,7 @@ fte_version_equals(const struct fte_version *a, const struct fte_version *b)
     return (a->cookie == b->cookie
             && a->idle_timeout == b->idle_timeout
             && a->hard_timeout == b->hard_timeout
+            && a->importance == b->importance
             && ofpacts_equal(a->ofpacts, a->ofpacts_len,
                              b->ofpacts, b->ofpacts_len));
 }
@@ -2298,6 +2336,9 @@ fte_version_format(const struct fte *fte, int index, struct ds *s)
     if (version->hard_timeout != OFP_FLOW_PERMANENT) {
         ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout);
     }
+    if (version->importance != 0) {
+        ds_put_format(s, " importance=%"PRIu16, version->importance);
+    }
 
     ds_put_cstr(s, " actions=");
     ofpacts_format(version->ofpacts, version->ofpacts_len, s);
@@ -2329,9 +2370,10 @@ fte_free_all(struct classifier *cls)
 {
     struct fte *fte;
 
-    CLS_FOR_EACH_SAFE (fte, rule, cls) {
+    classifier_defer(cls);
+    CLS_FOR_EACH (fte, rule, cls) {
         classifier_remove(cls, &fte->rule);
-        fte_free(fte);
+        ovsrcu_postpone(fte_free, fte);
     }
     classifier_destroy(cls);
 }
@@ -2343,7 +2385,7 @@ fte_free_all(struct classifier *cls)
  * Takes ownership of 'version'. */
 static void
 fte_insert(struct classifier *cls, const struct match *match,
-           unsigned int priority, struct fte_version *version, int index)
+           int priority, struct fte_version *version, int index)
 {
     struct fte *old, *fte;
 
@@ -2351,12 +2393,12 @@ fte_insert(struct classifier *cls, const struct match *match,
     cls_rule_init(&fte->rule, match, priority);
     fte->versions[index] = version;
 
-    old = fte_from_cls_rule(classifier_replace(cls, &fte->rule));
+    old = fte_from_cls_rule(classifier_replace(cls, &fte->rule, NULL, 0));
     if (old) {
-        fte_version_free(old->versions[index]);
         fte->versions[!index] = old->versions[!index];
-        cls_rule_destroy(&old->rule);
-        free(old);
+        old->versions[!index] = NULL;
+
+        ovsrcu_postpone(fte_free, old);
     }
 }
 
@@ -2379,6 +2421,7 @@ read_flows_from_file(const char *filename, struct classifier *cls, int index)
     ds_init(&s);
     usable_protocols = OFPUTIL_P_ANY;
     line_number = 0;
+    classifier_defer(cls);
     while (!ds_get_preprocessed_line(&s, file, &line_number)) {
         struct fte_version *version;
         struct ofputil_flow_mod fm;
@@ -2395,6 +2438,7 @@ read_flows_from_file(const char *filename, struct classifier *cls, int index)
         version->cookie = fm.new_cookie;
         version->idle_timeout = fm.idle_timeout;
         version->hard_timeout = fm.hard_timeout;
+        version->importance = fm.importance;
         version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM
                                      | OFPUTIL_FF_EMERG);
         version->ofpacts = fm.ofpacts;
@@ -2402,6 +2446,7 @@ read_flows_from_file(const char *filename, struct classifier *cls, int index)
 
         fte_insert(cls, &fm.match, fm.priority, version, index);
     }
+    classifier_publish(cls);
     ds_destroy(&s);
 
     if (file != stdin) {
@@ -2430,12 +2475,12 @@ recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid,
             do {
                 run(vconn_recv_block(vconn, &reply),
                     "OpenFlow packet receive failed");
-            } while (((struct ofp_header *) ofpbuf_data(reply))->xid != send_xid);
+            } while (((struct ofp_header *) reply->data)->xid != send_xid);
 
-            error = ofptype_decode(&type, ofpbuf_data(reply));
+            error = ofptype_decode(&type, reply->data);
             if (error || type != OFPTYPE_FLOW_STATS_REPLY) {
                 ovs_fatal(0, "received bad reply: %s",
-                          ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
+                          ofp_to_string(reply->data, reply->size,
                                         verbosity + 1));
             }
         }
@@ -2448,7 +2493,7 @@ recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid,
             return true;
 
         case EOF:
-            more = ofpmp_more(reply->frame);
+            more = ofpmp_more(reply->header);
             ofpbuf_delete(reply);
             reply = NULL;
             if (!more) {
@@ -2485,11 +2530,12 @@ read_flows_from_switch(struct vconn *vconn,
     fsr.table_id = 0xff;
     fsr.cookie = fsr.cookie_mask = htonll(0);
     request = ofputil_encode_flow_stats_request(&fsr, protocol);
-    send_xid = ((struct ofp_header *) ofpbuf_data(request))->xid;
+    send_xid = ((struct ofp_header *) request->data)->xid;
     send_openflow_buffer(vconn, request);
 
     reply = NULL;
     ofpbuf_init(&ofpacts, 0);
+    classifier_defer(cls);
     while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) {
         struct fte_version *version;
 
@@ -2497,18 +2543,20 @@ read_flows_from_switch(struct vconn *vconn,
         version->cookie = fs.cookie;
         version->idle_timeout = fs.idle_timeout;
         version->hard_timeout = fs.hard_timeout;
+        version->importance = fs.importance;
         version->flags = 0;
         version->ofpacts_len = fs.ofpacts_len;
         version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len);
 
         fte_insert(cls, &fs.match, fs.priority, version, index);
     }
+    classifier_publish(cls);
     ofpbuf_uninit(&ofpacts);
 }
 
 static void
 fte_make_flow_mod(const struct fte *fte, int index, uint16_t command,
-                  enum ofputil_protocol protocol, struct list *packets)
+                  enum ofputil_protocol protocol, struct ovs_list *packets)
 {
     const struct fte_version *version = fte->versions[index];
     struct ofputil_flow_mod fm;
@@ -2524,6 +2572,7 @@ fte_make_flow_mod(const struct fte *fte, int index, uint16_t command,
     fm.command = command;
     fm.idle_timeout = version->idle_timeout;
     fm.hard_timeout = version->hard_timeout;
+    fm.importance = version->importance;
     fm.buffer_id = UINT32_MAX;
     fm.out_port = OFPP_ANY;
     fm.flags = version->flags;
@@ -2547,7 +2596,7 @@ ofctl_replace_flows(int argc OVS_UNUSED, char *argv[])
     enum { FILE_IDX = 0, SWITCH_IDX = 1 };
     enum ofputil_protocol usable_protocols, protocol;
     struct classifier cls;
-    struct list requests;
+    struct ovs_list requests;
     struct vconn *vconn;
     struct fte *fte;
 
@@ -2780,7 +2829,7 @@ ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms,
         struct ofpbuf *msg;
 
         msg = ofputil_encode_flow_mod(fm, protocol);
-        ofp_print(stdout, ofpbuf_data(msg), ofpbuf_size(msg), verbosity);
+        ofp_print(stdout, msg->data, msg->size, verbosity);
         ofpbuf_delete(msg);
 
         free(CONST_CAST(struct ofpact *, fm->ofpacts));
@@ -2873,11 +2922,15 @@ ofctl_parse_nxm__(bool oxm, enum ofp_version version)
             } else {
                 match_len = nx_put_match(&nx_match, &match,
                                          cookie, cookie_mask);
-                out = nx_match_to_string(ofpbuf_data(&nx_match), match_len);
+                out = nx_match_to_string(nx_match.data, match_len);
             }
 
             puts(out);
             free(out);
+
+            if (verbosity > 0) {
+                ovs_hex_dump(stdout, nx_match.data, nx_match.size, 0, false);
+            }
         } else {
             printf("nx_pull_match() returned error %s\n",
                    ofperr_get_name(error));
@@ -2894,7 +2947,7 @@ ofctl_parse_nxm__(bool oxm, enum ofp_version version)
 static void
 ofctl_parse_nxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
 {
-    return ofctl_parse_nxm__(false, 0);
+    ofctl_parse_nxm__(false, 0);
 }
 
 /* "parse-oxm VERSION": reads a series of OXM nx_match specifications as
@@ -2909,7 +2962,7 @@ ofctl_parse_oxm(int argc OVS_UNUSED, char *argv[])
         ovs_fatal(0, "%s: not a valid version for OXM", argv[1]);
     }
 
-    return ofctl_parse_nxm__(true, version);
+    ofctl_parse_nxm__(true, version);
 }
 
 static void
@@ -2936,81 +2989,116 @@ print_differences(const char *prefix,
 }
 
 static void
-ofctl_parse_ofp10_actions__(bool instructions)
+ofctl_parse_actions__(const char *version_s, bool instructions)
 {
+    enum ofp_version version;
     struct ds in;
 
+    version = ofputil_version_from_string(version_s);
+    if (!version) {
+        ovs_fatal(0, "%s: not a valid OpenFlow version", version_s);
+    }
+
     ds_init(&in);
     while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
-        struct ofpbuf of10_out;
-        struct ofpbuf of10_in;
+        struct ofpbuf of_out;
+        struct ofpbuf of_in;
         struct ofpbuf ofpacts;
+        const char *table_id;
+        char *actions;
         enum ofperr error;
         size_t size;
         struct ds s;
 
+        /* Parse table_id separated with the follow-up actions by ",", if
+         * any. */
+        actions = ds_cstr(&in);
+        table_id = NULL;
+        if (strstr(actions, ",")) {
+            table_id = strsep(&actions, ",");
+        }
+
         /* Parse hex bytes. */
-        ofpbuf_init(&of10_in, 0);
-        if (ofpbuf_put_hex(&of10_in, ds_cstr(&in), NULL)[0] != '\0') {
+        ofpbuf_init(&of_in, 0);
+        if (ofpbuf_put_hex(&of_in, actions, NULL)[0] != '\0') {
             ovs_fatal(0, "Trailing garbage in hex data");
         }
 
         /* Convert to ofpacts. */
         ofpbuf_init(&ofpacts, 0);
-        size = ofpbuf_size(&of10_in);
+        size = of_in.size;
         error = (instructions
                  ? ofpacts_pull_openflow_instructions
                  : ofpacts_pull_openflow_actions)(
-                     &of10_in, ofpbuf_size(&of10_in), OFP10_VERSION, &ofpacts);
+                     &of_in, of_in.size, version, &ofpacts);
+        if (!error && instructions) {
+            /* Verify actions, enforce consistency. */
+            enum ofputil_protocol protocol;
+            struct flow flow;
+
+            memset(&flow, 0, sizeof flow);
+            protocol = ofputil_protocols_from_ofp_version(version);
+            error = ofpacts_check_consistency(ofpacts.data, ofpacts.size,
+                                              &flow, OFPP_MAX,
+                                              table_id ? atoi(table_id) : 0,
+                                              255, protocol);
+        }
         if (error) {
-            printf("bad OF1.0 actions: %s\n\n", ofperr_get_name(error));
+            printf("bad %s %s: %s\n\n",
+                   version_s, instructions ? "instructions" : "actions",
+                   ofperr_get_name(error));
             ofpbuf_uninit(&ofpacts);
-            ofpbuf_uninit(&of10_in);
+            ofpbuf_uninit(&of_in);
             continue;
         }
-        ofpbuf_push_uninit(&of10_in, size);
+        ofpbuf_push_uninit(&of_in, size);
 
         /* Print cls_rule. */
         ds_init(&s);
         ds_put_cstr(&s, "actions=");
-        ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
+        ofpacts_format(ofpacts.data, ofpacts.size, &s);
         puts(ds_cstr(&s));
         ds_destroy(&s);
 
         /* Convert back to ofp10 actions and print differences from input. */
-        ofpbuf_init(&of10_out, 0);
-        ofpacts_put_openflow_actions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &of10_out,
-                                     OFP10_VERSION);
+        ofpbuf_init(&of_out, 0);
+        if (instructions) {
+           ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size,
+                                             &of_out, version);
+        } else {
+           ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size,
+                                         &of_out, version);
+        }
 
-        print_differences("", ofpbuf_data(&of10_in), ofpbuf_size(&of10_in),
-                          ofpbuf_data(&of10_out), ofpbuf_size(&of10_out));
+        print_differences("", of_in.data, of_in.size,
+                          of_out.data, of_out.size);
         putchar('\n');
 
         ofpbuf_uninit(&ofpacts);
-        ofpbuf_uninit(&of10_in);
-        ofpbuf_uninit(&of10_out);
+        ofpbuf_uninit(&of_in);
+        ofpbuf_uninit(&of_out);
     }
     ds_destroy(&in);
 }
 
-/* "parse-ofp10-actions": reads a series of OpenFlow 1.0 action specifications
- * as hex bytes from stdin, converts them to ofpacts, prints them as strings
- * on stdout, and then converts them back to hex bytes and prints any
- * differences from the input. */
+/* "parse-actions VERSION": reads a series of action specifications for the
+ * given OpenFlow VERSION as hex bytes from stdin, converts them to ofpacts,
+ * prints them as strings on stdout, and then converts them back to hex bytes
+ * and prints any differences from the input. */
 static void
-ofctl_parse_ofp10_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+ofctl_parse_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
 {
-    ofctl_parse_ofp10_actions__(false);
+    ofctl_parse_actions__(argv[1], false);
 }
 
-/* "parse-ofp10-instructions": reads a series of OpenFlow 1.0 action
- * specifications as hex bytes from stdin, converts them to ofpacts, prints
- * them as strings on stdout, and then converts them back to hex bytes and
- * prints any differences from the input. */
+/* "parse-actions VERSION": reads a series of instruction specifications for
+ * the given OpenFlow VERSION as hex bytes from stdin, converts them to
+ * ofpacts, prints them as strings on stdout, and then converts them back to
+ * hex bytes and prints any differences from the input. */
 static void
-ofctl_parse_ofp10_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+ofctl_parse_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
 {
-    ofctl_parse_ofp10_actions__(true);
+    ofctl_parse_actions__(argv[1], true);
 }
 
 /* "parse-ofp10-match": reads a series of ofp10_match specifications as hex
@@ -3049,9 +3137,9 @@ ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') {
             ovs_fatal(0, "Trailing garbage in hex data");
         }
-        if (ofpbuf_size(&match_expout) != sizeof(struct ofp10_match)) {
+        if (match_expout.size != sizeof(struct ofp10_match)) {
             ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
-                      ofpbuf_size(&match_expout), sizeof(struct ofp10_match));
+                      match_expout.size, sizeof(struct ofp10_match));
         }
 
         /* Parse hex bytes for input. */
@@ -3064,18 +3152,18 @@ ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
             ovs_fatal(0, "Trailing garbage in hex data");
         }
-        if (ofpbuf_size(&match_in) != sizeof(struct ofp10_match)) {
+        if (match_in.size != sizeof(struct ofp10_match)) {
             ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
-                      ofpbuf_size(&match_in), sizeof(struct ofp10_match));
+                      match_in.size, sizeof(struct ofp10_match));
         }
 
         /* Convert to cls_rule and print. */
-        ofputil_match_from_ofp10_match(ofpbuf_data(&match_in), &match);
+        ofputil_match_from_ofp10_match(match_in.data, &match);
         match_print(&match);
 
         /* Convert back to ofp10_match and print differences from input. */
         ofputil_match_to_ofp10_match(&match, &match_out);
-        print_differences("", ofpbuf_data(&match_expout), ofpbuf_size(&match_expout),
+        print_differences("", match_expout.data, match_expout.size,
                           &match_out, sizeof match_out);
 
         /* Normalize, then convert and compare again. */
@@ -3113,13 +3201,13 @@ ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
             ovs_fatal(0, "Trailing garbage in hex data");
         }
-        if (ofpbuf_size(&match_in) != sizeof(struct ofp11_match)) {
+        if (match_in.size != sizeof(struct ofp11_match)) {
             ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
-                      ofpbuf_size(&match_in), sizeof(struct ofp11_match));
+                      match_in.size, sizeof(struct ofp11_match));
         }
 
         /* Convert to match. */
-        error = ofputil_match_from_ofp11_match(ofpbuf_data(&match_in), &match);
+        error = ofputil_match_from_ofp11_match(match_in.data, &match);
         if (error) {
             printf("bad ofp11_match: %s\n\n", ofperr_get_name(error));
             ofpbuf_uninit(&match_in);
@@ -3132,7 +3220,7 @@ ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         /* Convert back to ofp11_match and print differences from input. */
         ofputil_match_to_ofp11_match(&match, &match_out);
 
-        print_differences("", ofpbuf_data(&match_in), ofpbuf_size(&match_in),
+        print_differences("", match_in.data, match_in.size,
                           &match_out, sizeof match_out);
         putchar('\n');
 
@@ -3141,146 +3229,6 @@ ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
     ds_destroy(&in);
 }
 
-/* "parse-ofp11-actions": reads a series of OpenFlow 1.1 action specifications
- * as hex bytes from stdin, converts them to ofpacts, prints them as strings
- * on stdout, and then converts them back to hex bytes and prints any
- * differences from the input. */
-static void
-ofctl_parse_ofp11_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
-{
-    struct ds in;
-
-    ds_init(&in);
-    while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
-        struct ofpbuf of11_out;
-        struct ofpbuf of11_in;
-        struct ofpbuf ofpacts;
-        enum ofperr error;
-        size_t size;
-        struct ds s;
-
-        /* Parse hex bytes. */
-        ofpbuf_init(&of11_in, 0);
-        if (ofpbuf_put_hex(&of11_in, ds_cstr(&in), NULL)[0] != '\0') {
-            ovs_fatal(0, "Trailing garbage in hex data");
-        }
-
-        /* Convert to ofpacts. */
-        ofpbuf_init(&ofpacts, 0);
-        size = ofpbuf_size(&of11_in);
-        error = ofpacts_pull_openflow_actions(&of11_in, ofpbuf_size(&of11_in),
-                                              OFP11_VERSION, &ofpacts);
-        if (error) {
-            printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error));
-            ofpbuf_uninit(&ofpacts);
-            ofpbuf_uninit(&of11_in);
-            continue;
-        }
-        ofpbuf_push_uninit(&of11_in, size);
-
-        /* Print cls_rule. */
-        ds_init(&s);
-        ds_put_cstr(&s, "actions=");
-        ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
-        puts(ds_cstr(&s));
-        ds_destroy(&s);
-
-        /* Convert back to ofp11 actions and print differences from input. */
-        ofpbuf_init(&of11_out, 0);
-        ofpacts_put_openflow_actions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &of11_out,
-                                     OFP11_VERSION);
-
-        print_differences("", ofpbuf_data(&of11_in), ofpbuf_size(&of11_in),
-                          ofpbuf_data(&of11_out), ofpbuf_size(&of11_out));
-        putchar('\n');
-
-        ofpbuf_uninit(&ofpacts);
-        ofpbuf_uninit(&of11_in);
-        ofpbuf_uninit(&of11_out);
-    }
-    ds_destroy(&in);
-}
-
-/* "parse-ofp11-instructions": reads a series of OpenFlow 1.1 instruction
- * specifications as hex bytes from stdin, converts them to ofpacts, prints
- * them as strings on stdout, and then converts them back to hex bytes and
- * prints any differences from the input. */
-static void
-ofctl_parse_ofp11_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
-{
-    struct ds in;
-
-    ds_init(&in);
-    while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
-        struct ofpbuf of11_out;
-        struct ofpbuf of11_in;
-        struct ofpbuf ofpacts;
-        enum ofperr error;
-        size_t size;
-        struct ds s;
-        const char *table_id;
-        char *instructions;
-
-        /* Parse table_id separated with the follow-up instructions by ",", if
-         * any. */
-        instructions = ds_cstr(&in);
-        table_id = NULL;
-        if (strstr(instructions, ",")) {
-            table_id = strsep(&instructions, ",");
-        }
-
-        /* Parse hex bytes. */
-        ofpbuf_init(&of11_in, 0);
-        if (ofpbuf_put_hex(&of11_in, instructions, NULL)[0] != '\0') {
-            ovs_fatal(0, "Trailing garbage in hex data");
-        }
-
-        /* Convert to ofpacts. */
-        ofpbuf_init(&ofpacts, 0);
-        size = ofpbuf_size(&of11_in);
-        error = ofpacts_pull_openflow_instructions(&of11_in, ofpbuf_size(&of11_in),
-                                                   OFP11_VERSION, &ofpacts);
-        if (!error) {
-            /* Verify actions, enforce consistency. */
-            struct flow flow;
-            memset(&flow, 0, sizeof flow);
-            error = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
-                                              &flow, OFPP_MAX,
-                                              table_id ? atoi(table_id) : 0,
-                                              255, OFPUTIL_P_OF11_STD);
-        }
-        if (error) {
-            printf("bad OF1.1 instructions: %s\n\n", ofperr_get_name(error));
-            ofpbuf_uninit(&ofpacts);
-            ofpbuf_uninit(&of11_in);
-            continue;
-        }
-        ofpbuf_push_uninit(&of11_in, size);
-
-        /* Print cls_rule. */
-        ds_init(&s);
-        ds_put_cstr(&s, "actions=");
-        ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
-        puts(ds_cstr(&s));
-        ds_destroy(&s);
-
-        /* Convert back to ofp11 instructions and print differences from
-         * input. */
-        ofpbuf_init(&of11_out, 0);
-        ofpacts_put_openflow_instructions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
-                                          &of11_out, OFP13_VERSION);
-
-        print_differences("", ofpbuf_data(&of11_in), ofpbuf_size(&of11_in),
-                          ofpbuf_data(&of11_out), ofpbuf_size(&of11_out));
-        putchar('\n');
-
-        ofpbuf_uninit(&ofpacts);
-        ofpbuf_uninit(&of11_in);
-        ofpbuf_uninit(&of11_out);
-    }
-    ds_destroy(&in);
-}
-
 /* "parse-pcap PCAP": read packets from PCAP and print their flows. */
 static void
 ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[])
@@ -3293,9 +3241,8 @@ ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[])
     }
 
     for (;;) {
-        struct ofpbuf *packet;
+        struct dp_packet *packet;
         struct flow flow;
-        const struct pkt_metadata md = PKT_METADATA_INITIALIZER(ODPP_NONE);
         int error;
 
         error = ovs_pcap_read(pcap, &packet, NULL);
@@ -3305,10 +3252,11 @@ ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[])
             ovs_fatal(error, "%s: read failed", argv[1]);
         }
 
-        flow_extract(packet, &md, &flow);
+        packet->md = PKT_METADATA_INITIALIZER(ODPP_NONE);
+        flow_extract(packet, &flow);
         flow_print(stdout, &flow);
         putchar('\n');
-        ofpbuf_delete(packet);
+        dp_packet_delete(packet);
     }
 }
 
@@ -3358,7 +3306,7 @@ ofctl_check_vlan(int argc OVS_UNUSED, char *argv[])
     /* Convert to and from NXM. */
     ofpbuf_init(&nxm, 0);
     nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0));
-    nxm_s = nx_match_to_string(ofpbuf_data(&nxm), nxm_match_len);
+    nxm_s = nx_match_to_string(nxm.data, nxm_match_len);
     error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL);
     printf("NXM: %s -> ", nxm_s);
     if (error) {
@@ -3464,19 +3412,19 @@ ofctl_encode_error_reply(int argc OVS_UNUSED, char *argv[])
     if (ofpbuf_put_hex(&request, argv[2], NULL)[0] != '\0') {
         ovs_fatal(0, "Trailing garbage in hex data");
     }
-    if (ofpbuf_size(&request) < sizeof(struct ofp_header)) {
+    if (request.size < sizeof(struct ofp_header)) {
         ovs_fatal(0, "Request too short");
     }
 
-    oh = ofpbuf_data(&request);
-    if (ofpbuf_size(&request) != ntohs(oh->length)) {
+    oh = request.data;
+    if (request.size != ntohs(oh->length)) {
         ovs_fatal(0, "Request size inconsistent");
     }
 
-    reply = ofperr_encode_reply(error, ofpbuf_data(&request));
+    reply = ofperr_encode_reply(error, request.data);
     ofpbuf_uninit(&request);
 
-    ovs_hex_dump(stdout, ofpbuf_data(reply), ofpbuf_size(reply), 0, false);
+    ovs_hex_dump(stdout, reply->data, reply->size, 0, false);
     ofpbuf_delete(reply);
 }
 
@@ -3514,7 +3462,7 @@ ofctl_ofp_print(int argc, char *argv[])
     if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') {
         ovs_fatal(0, "trailing garbage following hex bytes");
     }
-    ofp_print(stdout, ofpbuf_data(&packet), ofpbuf_size(&packet), verbosity);
+    ofp_print(stdout, packet.data, packet.size, verbosity);
     ofpbuf_uninit(&packet);
     ds_destroy(&line);
 }
@@ -3528,82 +3476,128 @@ ofctl_encode_hello(int argc OVS_UNUSED, char *argv[])
     struct ofpbuf *hello;
 
     hello = ofputil_encode_hello(bitmap);
-    ovs_hex_dump(stdout, ofpbuf_data(hello), ofpbuf_size(hello), 0, false);
-    ofp_print(stdout, ofpbuf_data(hello), ofpbuf_size(hello), verbosity);
+    ovs_hex_dump(stdout, hello->data, hello->size, 0, false);
+    ofp_print(stdout, hello->data, hello->size, verbosity);
     ofpbuf_delete(hello);
 }
 
-static const struct command all_commands[] = {
-    { "show", 1, 1, ofctl_show },
-    { "monitor", 1, 3, ofctl_monitor },
-    { "snoop", 1, 1, ofctl_snoop },
-    { "dump-desc", 1, 1, ofctl_dump_desc },
-    { "dump-tables", 1, 1, ofctl_dump_tables },
-    { "dump-table-features", 1, 1, ofctl_dump_table_features },
-    { "dump-flows", 1, 2, ofctl_dump_flows },
-    { "dump-aggregate", 1, 2, ofctl_dump_aggregate },
-    { "queue-stats", 1, 3, ofctl_queue_stats },
-    { "queue-get-config", 2, 2, ofctl_queue_get_config },
-    { "add-flow", 2, 2, ofctl_add_flow },
-    { "add-flows", 2, 2, ofctl_add_flows },
-    { "mod-flows", 2, 2, ofctl_mod_flows },
-    { "del-flows", 1, 2, ofctl_del_flows },
-    { "replace-flows", 2, 2, ofctl_replace_flows },
-    { "diff-flows", 2, 2, ofctl_diff_flows },
-    { "add-meter", 2, 2, ofctl_add_meter },
-    { "mod-meter", 2, 2, ofctl_mod_meter },
-    { "del-meter", 2, 2, ofctl_del_meters },
-    { "del-meters", 1, 1, ofctl_del_meters },
-    { "dump-meter", 2, 2, ofctl_dump_meters },
-    { "dump-meters", 1, 1, ofctl_dump_meters },
-    { "meter-stats", 1, 2, ofctl_meter_stats },
-    { "meter-features", 1, 1, ofctl_meter_features },
-    { "packet-out", 4, INT_MAX, ofctl_packet_out },
-    { "dump-ports", 1, 2, ofctl_dump_ports },
-    { "dump-ports-desc", 1, 2, ofctl_dump_ports_desc },
-    { "mod-port", 3, 3, ofctl_mod_port },
-    { "mod-table", 3, 3, ofctl_mod_table },
-    { "get-frags", 1, 1, ofctl_get_frags },
-    { "set-frags", 2, 2, ofctl_set_frags },
-    { "probe", 1, 1, ofctl_probe },
-    { "ping", 1, 2, ofctl_ping },
-    { "benchmark", 3, 3, ofctl_benchmark },
-
-    { "ofp-parse", 1, 1, ofctl_ofp_parse },
-    { "ofp-parse-pcap", 1, INT_MAX, ofctl_ofp_parse_pcap },
-
-    { "add-group", 1, 2, ofctl_add_group },
-    { "add-groups", 1, 2, ofctl_add_groups },
-    { "mod-group", 1, 2, ofctl_mod_group },
-    { "del-groups", 1, 2, ofctl_del_groups },
-    { "dump-groups", 1, 2, ofctl_dump_group_desc },
-    { "dump-group-stats", 1, 2, ofctl_dump_group_stats },
-    { "dump-group-features", 1, 1, ofctl_dump_group_features },
-    { "help", 0, INT_MAX, ofctl_help },
+static const struct ovs_cmdl_command all_commands[] = {
+    { "show", "switch",
+      1, 1, ofctl_show },
+    { "monitor", "switch [misslen] [invalid_ttl] [watch:[...]]",
+      1, 3, ofctl_monitor },
+    { "snoop", "switch",
+      1, 1, ofctl_snoop },
+    { "dump-desc", "switch",
+      1, 1, ofctl_dump_desc },
+    { "dump-tables", "switch",
+      1, 1, ofctl_dump_tables },
+    { "dump-table-features", "switch",
+      1, 1, ofctl_dump_table_features },
+    { "dump-flows", "switch",
+      1, 2, ofctl_dump_flows },
+    { "dump-aggregate", "switch",
+      1, 2, ofctl_dump_aggregate },
+    { "queue-stats", "switch [port [queue]]",
+      1, 3, ofctl_queue_stats },
+    { "queue-get-config", "switch port",
+      2, 2, ofctl_queue_get_config },
+    { "add-flow", "switch flow",
+      2, 2, ofctl_add_flow },
+    { "add-flows", "switch file",
+      2, 2, ofctl_add_flows },
+    { "mod-flows", "switch flow",
+      2, 2, ofctl_mod_flows },
+    { "del-flows", "switch [flow]",
+      1, 2, ofctl_del_flows },
+    { "replace-flows", "switch file",
+      2, 2, ofctl_replace_flows },
+    { "diff-flows", "source1 source2",
+      2, 2, ofctl_diff_flows },
+    { "add-meter", "switch meter",
+      2, 2, ofctl_add_meter },
+    { "mod-meter", "switch meter",
+      2, 2, ofctl_mod_meter },
+    { "del-meter", "switch meter",
+      2, 2, ofctl_del_meters },
+    { "del-meters", "switch",
+      1, 1, ofctl_del_meters },
+    { "dump-meter", "switch meter",
+      2, 2, ofctl_dump_meters },
+    { "dump-meters", "switch",
+      1, 1, ofctl_dump_meters },
+    { "meter-stats", "switch [meter]",
+      1, 2, ofctl_meter_stats },
+    { "meter-features", "switch",
+      1, 1, ofctl_meter_features },
+    { "packet-out", "switch in_port actions packet...",
+      4, INT_MAX, ofctl_packet_out },
+    { "dump-ports", "switch [port]",
+      1, 2, ofctl_dump_ports },
+    { "dump-ports-desc", "switch [port]",
+      1, 2, ofctl_dump_ports_desc },
+    { "mod-port", "switch iface act",
+      3, 3, ofctl_mod_port },
+    { "mod-table", "switch mod",
+      3, 3, ofctl_mod_table },
+    { "get-frags", "switch",
+      1, 1, ofctl_get_frags },
+    { "set-frags", "switch frag_mode",
+      2, 2, ofctl_set_frags },
+    { "probe", "target",
+      1, 1, ofctl_probe },
+    { "ping", "target [n]",
+      1, 2, ofctl_ping },
+    { "benchmark", "target n count",
+      3, 3, ofctl_benchmark },
+
+    { "ofp-parse", "file",
+      1, 1, ofctl_ofp_parse },
+    { "ofp-parse-pcap", "pcap",
+      1, INT_MAX, ofctl_ofp_parse_pcap },
+
+    { "add-group", "switch group",
+      1, 2, ofctl_add_group },
+    { "add-groups", "switch file",
+      1, 2, ofctl_add_groups },
+    { "mod-group", "switch group",
+      1, 2, ofctl_mod_group },
+    { "del-groups", "switch [group]",
+      1, 2, ofctl_del_groups },
+    { "insert-buckets", "switch [group]",
+      1, 2, ofctl_insert_bucket },
+    { "remove-buckets", "switch [group]",
+      1, 2, ofctl_remove_bucket },
+    { "dump-groups", "switch [group]",
+      1, 2, ofctl_dump_group_desc },
+    { "dump-group-stats", "switch [group]",
+      1, 2, ofctl_dump_group_stats },
+    { "dump-group-features", "switch",
+      1, 1, ofctl_dump_group_features },
+    { "help", NULL, 0, INT_MAX, ofctl_help },
+    { "list-commands", NULL, 0, INT_MAX, ofctl_list_commands },
 
     /* Undocumented commands for testing. */
-    { "parse-flow", 1, 1, ofctl_parse_flow },
-    { "parse-flows", 1, 1, ofctl_parse_flows },
-    { "parse-nx-match", 0, 0, ofctl_parse_nxm },
-    { "parse-nxm", 0, 0, ofctl_parse_nxm },
-    { "parse-oxm", 1, 1, ofctl_parse_oxm },
-    { "parse-ofp10-actions", 0, 0, ofctl_parse_ofp10_actions },
-    { "parse-ofp10-instructions", 0, 0, ofctl_parse_ofp10_instructions },
-    { "parse-ofp10-match", 0, 0, ofctl_parse_ofp10_match },
-    { "parse-ofp11-match", 0, 0, ofctl_parse_ofp11_match },
-    { "parse-ofp11-actions", 0, 0, ofctl_parse_ofp11_actions },
-    { "parse-ofp11-instructions", 0, 0, ofctl_parse_ofp11_instructions },
-    { "parse-pcap", 1, 1, ofctl_parse_pcap },
-    { "check-vlan", 2, 2, ofctl_check_vlan },
-    { "print-error", 1, 1, ofctl_print_error },
-    { "encode-error-reply", 2, 2, ofctl_encode_error_reply },
-    { "ofp-print", 1, 2, ofctl_ofp_print },
-    { "encode-hello", 1, 1, ofctl_encode_hello },
-
-    { NULL, 0, 0, NULL },
+    { "parse-flow", NULL, 1, 1, ofctl_parse_flow },
+    { "parse-flows", NULL, 1, 1, ofctl_parse_flows },
+    { "parse-nx-match", NULL, 0, 0, ofctl_parse_nxm },
+    { "parse-nxm", NULL, 0, 0, ofctl_parse_nxm },
+    { "parse-oxm", NULL, 1, 1, ofctl_parse_oxm },
+    { "parse-actions", NULL, 1, 1, ofctl_parse_actions },
+    { "parse-instructions", NULL, 1, 1, ofctl_parse_instructions },
+    { "parse-ofp10-match", NULL, 0, 0, ofctl_parse_ofp10_match },
+    { "parse-ofp11-match", NULL, 0, 0, ofctl_parse_ofp11_match },
+    { "parse-pcap", NULL, 1, 1, ofctl_parse_pcap },
+    { "check-vlan", NULL, 2, 2, ofctl_check_vlan },
+    { "print-error", NULL, 1, 1, ofctl_print_error },
+    { "encode-error-reply", NULL, 2, 2, ofctl_encode_error_reply },
+    { "ofp-print", NULL, 1, 2, ofctl_ofp_print },
+    { "encode-hello", NULL, 1, 1, ofctl_encode_hello },
+
+    { NULL, NULL, 0, 0, NULL },
 };
 
-static const struct command *get_all_commands(void)
+static const struct ovs_cmdl_command *get_all_commands(void)
 {
     return all_commands;
 }