+
+ /* The following is similar to dump_trivial_stats_transaction(), but it
+ * maintains the previous 'ofputil_table_features' from one stats reply
+ * message to the next, which allows duplication to be eliminated in the
+ * output across messages. Otherwise the output is much larger and harder
+ * to read, because only 17 or so ofputil_table_features elements fit in a
+ * single 64 kB OpenFlow message and therefore you get a ton of repetition
+ * (every 17th element is printed in full instead of abbreviated). */
+
+ const struct ofp_header *request_oh = request->data;
+ ovs_be32 send_xid = request_oh->xid;
+ bool done = false;
+
+ struct ofputil_table_features prev;
+ int n = 0;
+
+ send_openflow_buffer(vconn, request);
+ while (!done) {
+ ovs_be32 recv_xid;
+ struct ofpbuf *reply;
+
+ run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
+ recv_xid = ((struct ofp_header *) reply->data)->xid;
+ if (send_xid == recv_xid) {
+ enum ofptype type;
+ enum ofperr error;
+ error = ofptype_decode(&type, reply->data);
+ if (error) {
+ ovs_fatal(0, "decode error: %s", ofperr_get_name(error));
+ } else if (type == OFPTYPE_ERROR) {
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
+ done = true;
+ } else if (type == OFPTYPE_TABLE_FEATURES_STATS_REPLY) {
+ done = !ofpmp_more(reply->data);
+ for (;;) {
+ struct ofputil_table_features tf;
+ int retval;
+
+ retval = ofputil_decode_table_features(reply, &tf, true);
+ if (retval) {
+ if (retval != EOF) {
+ ovs_fatal(0, "decode error: %s",
+ ofperr_get_name(retval));
+ }
+ break;
+ }
+
+ struct ds s = DS_EMPTY_INITIALIZER;
+ ofp_print_table_features(&s, &tf, n ? &prev : NULL,
+ NULL, NULL);
+ puts(ds_cstr(&s));
+ ds_destroy(&s);
+
+ prev = tf;
+ n++;
+ }
+ } else {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
+ } else {
+ VLOG_DBG("received reply with xid %08"PRIx32" "
+ "!= expected %08"PRIx32, recv_xid, send_xid);
+ }
+ ofpbuf_delete(reply);
+ }
+
+ vconn_close(vconn);
+}
+
+static void
+ofctl_dump_table_desc(struct ovs_cmdl_context *ctx)
+{
+ struct ofpbuf *request;
+ struct vconn *vconn;
+
+ open_vconn(ctx->argv[1], &vconn);
+ request = ofputil_encode_table_desc_request(vconn_get_version(vconn));