2 * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "ofp-print.h"
22 #include <sys/types.h>
23 #include <netinet/in.h>
30 #include "byte-order.h"
32 #include "dynamic-string.h"
35 #include "multipath.h"
39 #include "openflow/openflow.h"
40 #include "openflow/nicira-ext.h"
43 #include "type-props.h"
44 #include "unaligned.h"
47 static void ofp_print_queue_name(struct ds *string, uint32_t port);
48 static void ofp_print_error(struct ds *, int error);
51 /* Returns a string that represents the contents of the Ethernet frame in the
52 * 'len' bytes starting at 'data'. The caller must free the returned string.*/
54 ofp_packet_to_string(const void *data, size_t len)
56 struct ds ds = DS_EMPTY_INITIALIZER;
60 ofpbuf_use_const(&buf, data, len);
61 flow_extract(&buf, 0, 0, 0, &flow);
62 flow_format(&ds, &flow);
65 if (flow.nw_proto == IPPROTO_TCP) {
66 struct tcp_header *th = buf.l4;
67 ds_put_format(&ds, " tcp_csum:%"PRIx16,
69 } else if (flow.nw_proto == IPPROTO_UDP) {
70 struct udp_header *uh = buf.l4;
71 ds_put_format(&ds, " udp_csum:%"PRIx16,
76 ds_put_char(&ds, '\n');
82 ofp_print_packet_in(struct ds *string, const struct ofp_header *oh,
85 struct ofputil_packet_in pin;
89 error = ofputil_decode_packet_in(&pin, oh);
91 ofp_print_error(string, error);
95 ds_put_format(string, " total_len=%"PRIu16" in_port=", pin.total_len);
96 ofputil_format_port(pin.fmd.in_port, string);
98 if (pin.fmd.tun_id_mask) {
99 ds_put_format(string, " tun_id=0x%"PRIx64, ntohll(pin.fmd.tun_id));
100 if (pin.fmd.tun_id_mask != htonll(UINT64_MAX)) {
101 ds_put_format(string, "/0x%"PRIx64, ntohll(pin.fmd.tun_id_mask));
105 for (i = 0; i < FLOW_N_REGS; i++) {
106 if (pin.fmd.reg_masks[i]) {
107 ds_put_format(string, " reg%d=0x%"PRIx32, i, pin.fmd.regs[i]);
108 if (pin.fmd.reg_masks[i] != UINT32_MAX) {
109 ds_put_format(string, "/0x%"PRIx32, pin.fmd.reg_masks[i]);
114 if (pin.reason == OFPR_ACTION) {
115 ds_put_cstr(string, " (via action)");
116 } else if (pin.reason != OFPR_NO_MATCH) {
117 ds_put_format(string, " (***reason %"PRIu8"***)", pin.reason);
120 ds_put_format(string, " data_len=%zu", pin.packet_len);
121 if (pin.buffer_id == UINT32_MAX) {
122 ds_put_format(string, " (unbuffered)");
123 if (pin.total_len != pin.packet_len) {
124 ds_put_format(string, " (***total_len != data_len***)");
127 ds_put_format(string, " buffer=0x%08"PRIx32, pin.buffer_id);
128 if (pin.total_len < pin.packet_len) {
129 ds_put_format(string, " (***total_len < data_len***)");
132 ds_put_char(string, '\n');
135 char *packet = ofp_packet_to_string(pin.packet, pin.packet_len);
136 ds_put_cstr(string, packet);
142 print_note(struct ds *string, const struct nx_action_note *nan)
147 ds_put_cstr(string, "note:");
148 len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
149 for (i = 0; i < len; i++) {
151 ds_put_char(string, '.');
153 ds_put_format(string, "%02"PRIx8, nan->note[i]);
158 ofp_print_action(struct ds *s, const union ofp_action *a,
159 enum ofputil_action_code code)
161 const struct ofp_action_enqueue *oae;
162 const struct ofp_action_dl_addr *oada;
163 const struct nx_action_set_tunnel64 *nast64;
164 const struct nx_action_set_tunnel *nast;
165 const struct nx_action_set_queue *nasq;
166 const struct nx_action_resubmit *nar;
167 const struct nx_action_reg_move *move;
168 const struct nx_action_reg_load *load;
169 const struct nx_action_multipath *nam;
170 const struct nx_action_autopath *naa;
171 const struct nx_action_output_reg *naor;
175 case OFPUTIL_OFPAT_OUTPUT:
176 port = ntohs(a->output.port);
177 if (port < OFPP_MAX) {
178 ds_put_format(s, "output:%"PRIu16, port);
180 ofputil_format_port(port, s);
181 if (port == OFPP_CONTROLLER) {
182 if (a->output.max_len != htons(0)) {
183 ds_put_format(s, ":%"PRIu16, ntohs(a->output.max_len));
185 ds_put_cstr(s, ":all");
191 case OFPUTIL_OFPAT_ENQUEUE:
192 oae = (const struct ofp_action_enqueue *) a;
193 ds_put_format(s, "enqueue:");
194 ofputil_format_port(ntohs(oae->port), s);
195 ds_put_format(s, "q%"PRIu32, ntohl(oae->queue_id));
198 case OFPUTIL_OFPAT_SET_VLAN_VID:
199 ds_put_format(s, "mod_vlan_vid:%"PRIu16,
200 ntohs(a->vlan_vid.vlan_vid));
203 case OFPUTIL_OFPAT_SET_VLAN_PCP:
204 ds_put_format(s, "mod_vlan_pcp:%"PRIu8, a->vlan_pcp.vlan_pcp);
207 case OFPUTIL_OFPAT_STRIP_VLAN:
208 ds_put_cstr(s, "strip_vlan");
211 case OFPUTIL_OFPAT_SET_DL_SRC:
212 oada = (const struct ofp_action_dl_addr *) a;
213 ds_put_format(s, "mod_dl_src:"ETH_ADDR_FMT,
214 ETH_ADDR_ARGS(oada->dl_addr));
217 case OFPUTIL_OFPAT_SET_DL_DST:
218 oada = (const struct ofp_action_dl_addr *) a;
219 ds_put_format(s, "mod_dl_dst:"ETH_ADDR_FMT,
220 ETH_ADDR_ARGS(oada->dl_addr));
223 case OFPUTIL_OFPAT_SET_NW_SRC:
224 ds_put_format(s, "mod_nw_src:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
227 case OFPUTIL_OFPAT_SET_NW_DST:
228 ds_put_format(s, "mod_nw_dst:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
231 case OFPUTIL_OFPAT_SET_NW_TOS:
232 ds_put_format(s, "mod_nw_tos:%d", a->nw_tos.nw_tos);
235 case OFPUTIL_OFPAT_SET_TP_SRC:
236 ds_put_format(s, "mod_tp_src:%d", ntohs(a->tp_port.tp_port));
239 case OFPUTIL_OFPAT_SET_TP_DST:
240 ds_put_format(s, "mod_tp_dst:%d", ntohs(a->tp_port.tp_port));
243 case OFPUTIL_NXAST_RESUBMIT:
244 nar = (struct nx_action_resubmit *)a;
245 ds_put_format(s, "resubmit:");
246 ofputil_format_port(ntohs(nar->in_port), s);
249 case OFPUTIL_NXAST_RESUBMIT_TABLE:
250 nar = (struct nx_action_resubmit *)a;
251 ds_put_format(s, "resubmit(");
252 if (nar->in_port != htons(OFPP_IN_PORT)) {
253 ofputil_format_port(ntohs(nar->in_port), s);
256 if (nar->table != 255) {
257 ds_put_format(s, "%"PRIu8, nar->table);
262 case OFPUTIL_NXAST_SET_TUNNEL:
263 nast = (struct nx_action_set_tunnel *)a;
264 ds_put_format(s, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
267 case OFPUTIL_NXAST_SET_QUEUE:
268 nasq = (struct nx_action_set_queue *)a;
269 ds_put_format(s, "set_queue:%u", ntohl(nasq->queue_id));
272 case OFPUTIL_NXAST_POP_QUEUE:
273 ds_put_cstr(s, "pop_queue");
276 case OFPUTIL_NXAST_NOTE:
277 print_note(s, (const struct nx_action_note *) a);
280 case OFPUTIL_NXAST_REG_MOVE:
281 move = (const struct nx_action_reg_move *) a;
282 nxm_format_reg_move(move, s);
285 case OFPUTIL_NXAST_REG_LOAD:
286 load = (const struct nx_action_reg_load *) a;
287 nxm_format_reg_load(load, s);
290 case OFPUTIL_NXAST_SET_TUNNEL64:
291 nast64 = (const struct nx_action_set_tunnel64 *) a;
292 ds_put_format(s, "set_tunnel64:%#"PRIx64,
293 ntohll(nast64->tun_id));
296 case OFPUTIL_NXAST_MULTIPATH:
297 nam = (const struct nx_action_multipath *) a;
298 multipath_format(nam, s);
301 case OFPUTIL_NXAST_AUTOPATH:
302 naa = (const struct nx_action_autopath *)a;
303 ds_put_format(s, "autopath(%u,", ntohl(naa->id));
304 nxm_format_field_bits(s, ntohl(naa->dst),
305 nxm_decode_ofs(naa->ofs_nbits),
306 nxm_decode_n_bits(naa->ofs_nbits));
310 case OFPUTIL_NXAST_BUNDLE:
311 case OFPUTIL_NXAST_BUNDLE_LOAD:
312 bundle_format((const struct nx_action_bundle *) a, s);
315 case OFPUTIL_NXAST_OUTPUT_REG:
316 naor = (const struct nx_action_output_reg *) a;
317 ds_put_cstr(s, "output:");
318 nxm_format_field_bits(s, ntohl(naor->src),
319 nxm_decode_ofs(naor->ofs_nbits),
320 nxm_decode_n_bits(naor->ofs_nbits));
323 case OFPUTIL_NXAST_LEARN:
324 learn_format((const struct nx_action_learn *) a, s);
327 case OFPUTIL_NXAST_EXIT:
328 ds_put_cstr(s, "exit");
337 ofp_print_actions(struct ds *string, const union ofp_action *actions,
340 const union ofp_action *a;
343 ds_put_cstr(string, "actions=");
345 ds_put_cstr(string, "drop");
348 OFPUTIL_ACTION_FOR_EACH (a, left, actions, n_actions) {
349 int code = ofputil_decode_action(a);
352 ds_put_cstr(string, ",");
354 ofp_print_action(string, a, code);
356 ofp_print_error(string, -code);
360 ds_put_format(string, " ***%zu leftover bytes following actions",
366 ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
369 size_t len = ntohs(opo->header.length);
370 size_t actions_len = ntohs(opo->actions_len);
372 ds_put_cstr(string, " in_port=");
373 ofputil_format_port(ntohs(opo->in_port), string);
375 ds_put_format(string, " actions_len=%zu ", actions_len);
376 if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
377 ds_put_format(string, "***packet too short for action length***\n");
380 if (actions_len % sizeof(union ofp_action)) {
381 ds_put_format(string, "***action length not a multiple of %zu***\n",
382 sizeof(union ofp_action));
384 ofp_print_actions(string, (const union ofp_action *) opo->actions,
385 actions_len / sizeof(union ofp_action));
387 if (ntohl(opo->buffer_id) == UINT32_MAX) {
388 int data_len = len - sizeof *opo - actions_len;
389 ds_put_format(string, " data_len=%d", data_len);
390 if (verbosity > 0 && len > sizeof *opo) {
391 char *packet = ofp_packet_to_string(
392 (uint8_t *) opo->actions + actions_len, data_len);
393 ds_put_char(string, '\n');
394 ds_put_cstr(string, packet);
398 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
400 ds_put_char(string, '\n');
403 /* qsort comparison function. */
405 compare_ports(const void *a_, const void *b_)
407 const struct ofp_phy_port *a = a_;
408 const struct ofp_phy_port *b = b_;
409 uint16_t ap = ntohs(a->port_no);
410 uint16_t bp = ntohs(b->port_no);
412 return ap < bp ? -1 : ap > bp;
421 ofp_print_bit_names(struct ds *string, uint32_t bits,
422 const struct bit_name bit_names[])
427 ds_put_cstr(string, "0");
431 for (; bits && bit_names->name; bit_names++) {
432 if (bits & bit_names->bit) {
434 ds_put_char(string, ' ');
436 ds_put_cstr(string, bit_names->name);
437 bits &= ~bit_names->bit;
443 ds_put_char(string, ' ');
445 ds_put_format(string, "0x%"PRIx32, bits);
450 ofp_print_port_features(struct ds *string, uint32_t features)
452 static const struct bit_name feature_bits[] = {
453 { OFPPF_10MB_HD, "10MB-HD" },
454 { OFPPF_10MB_FD, "10MB-FD" },
455 { OFPPF_100MB_HD, "100MB-HD" },
456 { OFPPF_100MB_FD, "100MB-FD" },
457 { OFPPF_1GB_HD, "1GB-HD" },
458 { OFPPF_1GB_FD, "1GB-FD" },
459 { OFPPF_10GB_FD, "10GB-FD" },
460 { OFPPF_COPPER, "COPPER" },
461 { OFPPF_FIBER, "FIBER" },
462 { OFPPF_AUTONEG, "AUTO_NEG" },
463 { OFPPF_PAUSE, "AUTO_PAUSE" },
464 { OFPPF_PAUSE_ASYM, "AUTO_PAUSE_ASYM" },
468 ofp_print_bit_names(string, features, feature_bits);
469 ds_put_char(string, '\n');
473 ofp_print_port_config(struct ds *string, uint32_t config)
475 static const struct bit_name config_bits[] = {
476 { OFPPC_PORT_DOWN, "PORT_DOWN" },
477 { OFPPC_NO_STP, "NO_STP" },
478 { OFPPC_NO_RECV, "NO_RECV" },
479 { OFPPC_NO_RECV_STP, "NO_RECV_STP" },
480 { OFPPC_NO_FLOOD, "NO_FLOOD" },
481 { OFPPC_NO_FWD, "NO_FWD" },
482 { OFPPC_NO_PACKET_IN, "NO_PACKET_IN" },
486 ofp_print_bit_names(string, config, config_bits);
487 ds_put_char(string, '\n');
491 ofp_print_port_state(struct ds *string, uint32_t state)
493 static const struct bit_name state_bits[] = {
494 { OFPPS_LINK_DOWN, "LINK_DOWN" },
499 /* The STP state is a 2-bit field so it doesn't fit in with the bitmask
500 * pattern. We have to special case it.
502 * OVS doesn't support STP, so this field will always be 0 if we are
503 * talking to OVS, so we'd always print STP_LISTEN in that case.
504 * Therefore, we don't print anything at all if the value is STP_LISTEN, to
505 * avoid confusing users. */
506 stp_state = state & OFPPS_STP_MASK;
508 ds_put_cstr(string, (stp_state == OFPPS_STP_LEARN ? "STP_LEARN"
509 : stp_state == OFPPS_STP_FORWARD ? "STP_FORWARD"
511 state &= ~OFPPS_STP_MASK;
513 ofp_print_bit_names(string, state, state_bits);
516 ofp_print_bit_names(string, state, state_bits);
518 ds_put_char(string, '\n');
522 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
524 char name[OFP_MAX_PORT_NAME_LEN];
527 memcpy(name, port->name, sizeof name);
528 for (j = 0; j < sizeof name - 1; j++) {
529 if (!isprint((unsigned char) name[j])) {
535 ds_put_char(string, ' ');
536 ofputil_format_port(ntohs(port->port_no), string);
537 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT"\n",
538 name, ETH_ADDR_ARGS(port->hw_addr));
540 ds_put_cstr(string, " config: ");
541 ofp_print_port_config(string, ntohl(port->config));
543 ds_put_cstr(string, " state: ");
544 ofp_print_port_state(string, ntohl(port->state));
547 ds_put_format(string, " current: ");
548 ofp_print_port_features(string, ntohl(port->curr));
550 if (port->advertised) {
551 ds_put_format(string, " advertised: ");
552 ofp_print_port_features(string, ntohl(port->advertised));
554 if (port->supported) {
555 ds_put_format(string, " supported: ");
556 ofp_print_port_features(string, ntohl(port->supported));
559 ds_put_format(string, " peer: ");
560 ofp_print_port_features(string, ntohl(port->peer));
565 ofp_print_switch_features(struct ds *string,
566 const struct ofp_switch_features *osf)
568 size_t len = ntohs(osf->header.length);
569 struct ofp_phy_port *port_list;
573 ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n",
574 osf->header.version, ntohll(osf->datapath_id));
575 ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
576 ntohl(osf->n_buffers));
577 ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
578 ntohl(osf->capabilities), ntohl(osf->actions));
580 n_ports = (len - sizeof *osf) / sizeof *osf->ports;
582 port_list = xmemdup(osf->ports, len - sizeof *osf);
583 qsort(port_list, n_ports, sizeof *port_list, compare_ports);
584 for (i = 0; i < n_ports; i++) {
585 ofp_print_phy_port(string, &port_list[i]);
591 ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
595 flags = ntohs(osc->flags);
597 ds_put_format(string, " frags=%s", ofputil_frag_handling_to_string(flags));
598 flags &= ~OFPC_FRAG_MASK;
601 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
604 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
607 static void print_wild(struct ds *string, const char *leader, int is_wild,
608 int verbosity, const char *format, ...)
609 __attribute__((format(printf, 5, 6)));
611 static void print_wild(struct ds *string, const char *leader, int is_wild,
612 int verbosity, const char *format, ...)
614 if (is_wild && verbosity < 2) {
617 ds_put_cstr(string, leader);
621 va_start(args, format);
622 ds_put_format_valist(string, format, args);
625 ds_put_char(string, '*');
627 ds_put_char(string, ',');
631 print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
632 uint32_t wild_bits, int verbosity)
634 if (wild_bits >= 32 && verbosity < 2) {
637 ds_put_cstr(string, leader);
638 if (wild_bits < 32) {
639 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
641 ds_put_format(string, "/%d", 32 - wild_bits);
644 ds_put_char(string, '*');
646 ds_put_char(string, ',');
650 ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
652 char *s = ofp_match_to_string(om, verbosity);
658 ofp_match_to_string(const struct ofp_match *om, int verbosity)
660 struct ds f = DS_EMPTY_INITIALIZER;
661 uint32_t w = ntohl(om->wildcards);
662 bool skip_type = false;
663 bool skip_proto = false;
665 if (!(w & OFPFW_DL_TYPE)) {
667 if (om->dl_type == htons(ETH_TYPE_IP)) {
668 if (!(w & OFPFW_NW_PROTO)) {
670 if (om->nw_proto == IPPROTO_ICMP) {
671 ds_put_cstr(&f, "icmp,");
672 } else if (om->nw_proto == IPPROTO_TCP) {
673 ds_put_cstr(&f, "tcp,");
674 } else if (om->nw_proto == IPPROTO_UDP) {
675 ds_put_cstr(&f, "udp,");
677 ds_put_cstr(&f, "ip,");
681 ds_put_cstr(&f, "ip,");
683 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
684 ds_put_cstr(&f, "arp,");
689 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
690 "%d", ntohs(om->in_port));
691 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
692 "%d", ntohs(om->dl_vlan));
693 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
694 "%d", om->dl_vlan_pcp);
695 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
696 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
697 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
698 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
700 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
701 "0x%04x", ntohs(om->dl_type));
703 print_ip_netmask(&f, "nw_src=", om->nw_src,
704 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
705 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
706 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
708 if (om->dl_type == htons(ETH_TYPE_ARP)) {
709 print_wild(&f, "arp_op=", w & OFPFW_NW_PROTO, verbosity,
712 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
716 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
718 if (om->nw_proto == IPPROTO_ICMP) {
719 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
720 "%d", ntohs(om->tp_src));
721 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
722 "%d", ntohs(om->tp_dst));
724 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
725 "%d", ntohs(om->tp_src));
726 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
727 "%d", ntohs(om->tp_dst));
729 if (ds_last(&f) == ',') {
736 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
737 enum ofputil_msg_code code, int verbosity)
739 struct ofputil_flow_mod fm;
743 error = ofputil_decode_flow_mod(&fm, oh, true);
745 ofp_print_error(s, error);
750 switch (fm.command) {
752 ds_put_cstr(s, "ADD");
755 ds_put_cstr(s, "MOD");
757 case OFPFC_MODIFY_STRICT:
758 ds_put_cstr(s, "MOD_STRICT");
761 ds_put_cstr(s, "DEL");
763 case OFPFC_DELETE_STRICT:
764 ds_put_cstr(s, "DEL_STRICT");
767 ds_put_format(s, "cmd:%d", fm.command);
769 if (fm.table_id != 0) {
770 ds_put_format(s, " table:%d", fm.table_id);
774 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
775 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
776 ofp_print_match(s, &ofm->match, verbosity);
778 /* ofp_print_match() doesn't print priority. */
779 need_priority = true;
780 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
781 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
782 const void *nxm = nfm + 1;
785 nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
786 ds_put_cstr(s, nxm_s);
789 /* nx_match_to_string() doesn't print priority. */
790 need_priority = true;
792 cls_rule_format(&fm.cr, s);
794 /* cls_rule_format() does print priority. */
795 need_priority = false;
798 if (ds_last(s) != ' ') {
801 if (fm.cookie != htonll(0)) {
802 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
804 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
805 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
807 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
808 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
810 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
811 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
813 if (fm.buffer_id != UINT32_MAX) {
814 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
817 ds_put_format(s, "flags:0x%"PRIx16" ", fm.flags);
820 ofp_print_actions(s, fm.actions, fm.n_actions);
824 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
826 ds_put_format(string, "%u", sec);
828 ds_put_format(string, ".%09u", nsec);
829 while (string->string[string->length - 1] == '0') {
833 ds_put_char(string, 's');
837 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
839 struct ofputil_flow_removed fr;
842 error = ofputil_decode_flow_removed(&fr, oh);
844 ofp_print_error(string, error);
848 ds_put_char(string, ' ');
849 cls_rule_format(&fr.rule, string);
851 ds_put_cstr(string, " reason=");
853 case OFPRR_IDLE_TIMEOUT:
854 ds_put_cstr(string, "idle");
856 case OFPRR_HARD_TIMEOUT:
857 ds_put_cstr(string, "hard");
860 ds_put_cstr(string, "delete");
863 ds_put_format(string, "**%"PRIu8"**", fr.reason);
867 if (fr.cookie != htonll(0)) {
868 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
870 ds_put_cstr(string, " duration");
871 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
872 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
873 fr.idle_timeout, fr.packet_count, fr.byte_count);
877 ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
879 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
880 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
881 ntohl(opm->config), ntohl(opm->mask));
882 ds_put_format(string, " advertise: ");
883 if (opm->advertise) {
884 ofp_print_port_features(string, ntohl(opm->advertise));
886 ds_put_format(string, "UNCHANGED\n");
891 ofp_print_error(struct ds *string, int error)
893 if (string->length) {
894 ds_put_char(string, ' ');
896 ds_put_cstr(string, "***decode error: ");
897 ofputil_format_error(string, error);
898 ds_put_cstr(string, "***\n");
902 ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
904 size_t len = ntohs(oem->header.length);
905 size_t payload_ofs, payload_len;
910 error = ofputil_decode_error_msg(&oem->header, &payload_ofs);
911 if (!is_ofp_error(error)) {
912 ofp_print_error(string, error);
913 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
917 ds_put_char(string, ' ');
918 ofputil_format_error(string, error);
919 ds_put_char(string, '\n');
921 payload = (const uint8_t *) oem + payload_ofs;
922 payload_len = len - payload_ofs;
923 switch (get_ofp_err_type(error)) {
924 case OFPET_HELLO_FAILED:
925 ds_put_printable(string, payload, payload_len);
929 s = ofp_to_string(payload, payload_len, 1);
930 ds_put_cstr(string, s);
937 ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
939 if (ops->reason == OFPPR_ADD) {
940 ds_put_format(string, " ADD:");
941 } else if (ops->reason == OFPPR_DELETE) {
942 ds_put_format(string, " DEL:");
943 } else if (ops->reason == OFPPR_MODIFY) {
944 ds_put_format(string, " MOD:");
947 ofp_print_phy_port(string, &ops->desc);
951 ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_desc_stats *ods)
953 ds_put_char(string, '\n');
954 ds_put_format(string, "Manufacturer: %.*s\n",
955 (int) sizeof ods->mfr_desc, ods->mfr_desc);
956 ds_put_format(string, "Hardware: %.*s\n",
957 (int) sizeof ods->hw_desc, ods->hw_desc);
958 ds_put_format(string, "Software: %.*s\n",
959 (int) sizeof ods->sw_desc, ods->sw_desc);
960 ds_put_format(string, "Serial Num: %.*s\n",
961 (int) sizeof ods->serial_num, ods->serial_num);
962 ds_put_format(string, "DP Description: %.*s\n",
963 (int) sizeof ods->dp_desc, ods->dp_desc);
967 ofp_print_flow_stats_request(struct ds *string,
968 const struct ofp_stats_msg *osm)
970 struct ofputil_flow_stats_request fsr;
973 error = ofputil_decode_flow_stats_request(&fsr, &osm->header);
975 ofp_print_error(string, error);
979 if (fsr.table_id != 0xff) {
980 ds_put_format(string, " table=%"PRIu8, fsr.table_id);
983 if (fsr.out_port != OFPP_NONE) {
984 ds_put_cstr(string, " out_port=");
985 ofputil_format_port(fsr.out_port, string);
988 /* A flow stats request doesn't include a priority, but cls_rule_format()
989 * will print one unless it is OFP_DEFAULT_PRIORITY. */
990 fsr.match.priority = OFP_DEFAULT_PRIORITY;
992 ds_put_char(string, ' ');
993 cls_rule_format(&fsr.match, string);
997 ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
1001 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1003 struct ofputil_flow_stats fs;
1006 retval = ofputil_decode_flow_stats_reply(&fs, &b);
1008 if (retval != EOF) {
1009 ds_put_cstr(string, " ***parse error***");
1014 ds_put_char(string, '\n');
1016 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1018 ofp_print_duration(string, fs.duration_sec, fs.duration_nsec);
1019 ds_put_format(string, ", table=%"PRIu8", ", fs.table_id);
1020 ds_put_format(string, "n_packets=%"PRIu64", ", fs.packet_count);
1021 ds_put_format(string, "n_bytes=%"PRIu64", ", fs.byte_count);
1022 if (fs.idle_timeout != OFP_FLOW_PERMANENT) {
1023 ds_put_format(string, "idle_timeout=%"PRIu16",", fs.idle_timeout);
1025 if (fs.hard_timeout != OFP_FLOW_PERMANENT) {
1026 ds_put_format(string, "hard_timeout=%"PRIu16",", fs.hard_timeout);
1029 cls_rule_format(&fs.rule, string);
1030 if (string->string[string->length - 1] != ' ') {
1031 ds_put_char(string, ' ');
1033 ofp_print_actions(string, fs.actions, fs.n_actions);
1038 ofp_print_ofpst_aggregate_reply(struct ds *string,
1039 const struct ofp_aggregate_stats_reply *asr)
1041 ds_put_format(string, " packet_count=%"PRIu64,
1042 ntohll(get_32aligned_be64(&asr->packet_count)));
1043 ds_put_format(string, " byte_count=%"PRIu64,
1044 ntohll(get_32aligned_be64(&asr->byte_count)));
1045 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1049 ofp_print_nxst_aggregate_reply(struct ds *string,
1050 const struct nx_aggregate_stats_reply *nasr)
1052 ds_put_format(string, " packet_count=%"PRIu64, ntohll(nasr->packet_count));
1053 ds_put_format(string, " byte_count=%"PRIu64, ntohll(nasr->byte_count));
1054 ds_put_format(string, " flow_count=%"PRIu32, ntohl(nasr->flow_count));
1057 static void print_port_stat(struct ds *string, const char *leader,
1058 const ovs_32aligned_be64 *statp, int more)
1060 uint64_t stat = ntohll(get_32aligned_be64(statp));
1062 ds_put_cstr(string, leader);
1063 if (stat != UINT64_MAX) {
1064 ds_put_format(string, "%"PRIu64, stat);
1066 ds_put_char(string, '?');
1069 ds_put_cstr(string, ", ");
1071 ds_put_cstr(string, "\n");
1076 ofp_print_ofpst_port_request(struct ds *string,
1077 const struct ofp_port_stats_request *psr)
1079 ds_put_format(string, " port_no=%"PRIu16, ntohs(psr->port_no));
1083 ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1086 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1087 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
1088 ds_put_format(string, " %zu ports\n", n);
1089 if (verbosity < 1) {
1094 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1096 ds_put_cstr(string, "rx ");
1097 print_port_stat(string, "pkts=", &ps->rx_packets, 1);
1098 print_port_stat(string, "bytes=", &ps->rx_bytes, 1);
1099 print_port_stat(string, "drop=", &ps->rx_dropped, 1);
1100 print_port_stat(string, "errs=", &ps->rx_errors, 1);
1101 print_port_stat(string, "frame=", &ps->rx_frame_err, 1);
1102 print_port_stat(string, "over=", &ps->rx_over_err, 1);
1103 print_port_stat(string, "crc=", &ps->rx_crc_err, 0);
1105 ds_put_cstr(string, " tx ");
1106 print_port_stat(string, "pkts=", &ps->tx_packets, 1);
1107 print_port_stat(string, "bytes=", &ps->tx_bytes, 1);
1108 print_port_stat(string, "drop=", &ps->tx_dropped, 1);
1109 print_port_stat(string, "errs=", &ps->tx_errors, 1);
1110 print_port_stat(string, "coll=", &ps->collisions, 0);
1115 ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1118 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1119 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
1120 ds_put_format(string, " %zu tables\n", n);
1121 if (verbosity < 1) {
1126 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1127 ovs_strlcpy(name, ts->name, sizeof name);
1129 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1130 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1131 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1132 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1133 ds_put_cstr(string, " ");
1134 ds_put_format(string, "lookup=%"PRIu64", ",
1135 ntohll(get_32aligned_be64(&ts->lookup_count)));
1136 ds_put_format(string, "matched=%"PRIu64"\n",
1137 ntohll(get_32aligned_be64(&ts->matched_count)));
1142 ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1144 if (queue_id == OFPQ_ALL) {
1145 ds_put_cstr(string, "ALL");
1147 ds_put_format(string, "%"PRIu32, queue_id);
1152 ofp_print_ofpst_queue_request(struct ds *string,
1153 const struct ofp_queue_stats_request *qsr)
1155 ds_put_cstr(string, "port=");
1156 ofputil_format_port(ntohs(qsr->port_no), string);
1158 ds_put_cstr(string, " queue=");
1159 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1163 ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1166 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1167 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
1168 ds_put_format(string, " %zu queues\n", n);
1169 if (verbosity < 1) {
1174 ds_put_cstr(string, " port ");
1175 ofputil_format_port(ntohs(qs->port_no), string);
1176 ds_put_cstr(string, " queue ");
1177 ofp_print_queue_name(string, ntohl(qs->queue_id));
1178 ds_put_cstr(string, ": ");
1180 print_port_stat(string, "bytes=", &qs->tx_bytes, 1);
1181 print_port_stat(string, "pkts=", &qs->tx_packets, 1);
1182 print_port_stat(string, "errors=", &qs->tx_errors, 0);
1187 ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
1189 const struct ofp_stats_msg *srq = (const struct ofp_stats_msg *) oh;
1192 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1198 ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
1200 const struct ofp_stats_msg *srp = (const struct ofp_stats_msg *) oh;
1203 uint16_t flags = ntohs(srp->flags);
1205 ds_put_cstr(string, " flags=");
1206 if (flags & OFPSF_REPLY_MORE) {
1207 ds_put_cstr(string, "[more]");
1208 flags &= ~OFPSF_REPLY_MORE;
1211 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1218 ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
1220 size_t len = ntohs(oh->length);
1222 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
1223 if (verbosity > 1) {
1224 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
1229 ofp_print_nxt_role_message(struct ds *string,
1230 const struct nx_role_request *nrr)
1232 unsigned int role = ntohl(nrr->role);
1234 ds_put_cstr(string, " role=");
1235 if (role == NX_ROLE_OTHER) {
1236 ds_put_cstr(string, "other");
1237 } else if (role == NX_ROLE_MASTER) {
1238 ds_put_cstr(string, "master");
1239 } else if (role == NX_ROLE_SLAVE) {
1240 ds_put_cstr(string, "slave");
1242 ds_put_format(string, "%u", role);
1247 ofp_print_nxt_flow_mod_table_id(struct ds *string,
1248 const struct nxt_flow_mod_table_id *nfmti)
1250 ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
1254 ofp_print_nxt_set_flow_format(struct ds *string,
1255 const struct nxt_set_flow_format *nsff)
1257 uint32_t format = ntohl(nsff->format);
1259 ds_put_cstr(string, " format=");
1260 if (ofputil_flow_format_is_valid(format)) {
1261 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1263 ds_put_format(string, "%"PRIu32, format);
1268 ofp_to_string__(const struct ofp_header *oh,
1269 const struct ofputil_msg_type *type, struct ds *string,
1272 enum ofputil_msg_code code;
1273 const void *msg = oh;
1275 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1276 ofputil_msg_type_name(type), ntohl(oh->xid));
1278 code = ofputil_msg_type_code(type);
1280 case OFPUTIL_MSG_INVALID:
1283 case OFPUTIL_OFPT_HELLO:
1284 ds_put_char(string, '\n');
1285 ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
1289 case OFPUTIL_OFPT_ERROR:
1290 ofp_print_error_msg(string, msg);
1293 case OFPUTIL_OFPT_ECHO_REQUEST:
1294 case OFPUTIL_OFPT_ECHO_REPLY:
1295 ofp_print_echo(string, oh, verbosity);
1298 case OFPUTIL_OFPT_FEATURES_REQUEST:
1301 case OFPUTIL_OFPT_FEATURES_REPLY:
1302 ofp_print_switch_features(string, msg);
1305 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1308 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1309 case OFPUTIL_OFPT_SET_CONFIG:
1310 ofp_print_switch_config(string, msg);
1313 case OFPUTIL_OFPT_PACKET_IN:
1314 ofp_print_packet_in(string, msg, verbosity);
1317 case OFPUTIL_OFPT_FLOW_REMOVED:
1318 case OFPUTIL_NXT_FLOW_REMOVED:
1319 ofp_print_flow_removed(string, msg);
1322 case OFPUTIL_OFPT_PORT_STATUS:
1323 ofp_print_port_status(string, msg);
1326 case OFPUTIL_OFPT_PACKET_OUT:
1327 ofp_print_packet_out(string, msg, verbosity);
1330 case OFPUTIL_OFPT_FLOW_MOD:
1331 ofp_print_flow_mod(string, msg, code, verbosity);
1334 case OFPUTIL_OFPT_PORT_MOD:
1335 ofp_print_port_mod(string, msg);
1338 case OFPUTIL_OFPT_BARRIER_REQUEST:
1339 case OFPUTIL_OFPT_BARRIER_REPLY:
1342 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1343 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1347 case OFPUTIL_OFPST_DESC_REQUEST:
1348 ofp_print_stats_request(string, oh);
1351 case OFPUTIL_OFPST_FLOW_REQUEST:
1352 case OFPUTIL_NXST_FLOW_REQUEST:
1353 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
1354 case OFPUTIL_NXST_AGGREGATE_REQUEST:
1355 ofp_print_stats_request(string, oh);
1356 ofp_print_flow_stats_request(string, msg);
1359 case OFPUTIL_OFPST_TABLE_REQUEST:
1360 ofp_print_stats_request(string, oh);
1363 case OFPUTIL_OFPST_PORT_REQUEST:
1364 ofp_print_stats_request(string, oh);
1365 ofp_print_ofpst_port_request(string, msg);
1368 case OFPUTIL_OFPST_QUEUE_REQUEST:
1369 ofp_print_stats_request(string, oh);
1370 ofp_print_ofpst_queue_request(string, msg);
1373 case OFPUTIL_OFPST_DESC_REPLY:
1374 ofp_print_stats_reply(string, oh);
1375 ofp_print_ofpst_desc_reply(string, msg);
1378 case OFPUTIL_OFPST_FLOW_REPLY:
1379 case OFPUTIL_NXST_FLOW_REPLY:
1380 ofp_print_stats_reply(string, oh);
1381 ofp_print_flow_stats_reply(string, oh);
1384 case OFPUTIL_OFPST_QUEUE_REPLY:
1385 ofp_print_stats_reply(string, oh);
1386 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1389 case OFPUTIL_OFPST_PORT_REPLY:
1390 ofp_print_stats_reply(string, oh);
1391 ofp_print_ofpst_port_reply(string, oh, verbosity);
1394 case OFPUTIL_OFPST_TABLE_REPLY:
1395 ofp_print_stats_reply(string, oh);
1396 ofp_print_ofpst_table_reply(string, oh, verbosity);
1399 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1400 ofp_print_stats_reply(string, oh);
1401 ofp_print_ofpst_aggregate_reply(string, msg);
1404 case OFPUTIL_NXT_ROLE_REQUEST:
1405 case OFPUTIL_NXT_ROLE_REPLY:
1406 ofp_print_nxt_role_message(string, msg);
1409 case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
1410 ofp_print_nxt_flow_mod_table_id(string, msg);
1413 case OFPUTIL_NXT_SET_FLOW_FORMAT:
1414 ofp_print_nxt_set_flow_format(string, msg);
1417 case OFPUTIL_NXT_FLOW_MOD:
1418 ofp_print_flow_mod(string, msg, code, verbosity);
1421 case OFPUTIL_NXST_AGGREGATE_REPLY:
1422 ofp_print_stats_reply(string, oh);
1423 ofp_print_nxst_aggregate_reply(string, msg);
1428 /* Composes and returns a string representing the OpenFlow packet of 'len'
1429 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1430 * verbosity and higher numbers increase verbosity. The caller is responsible
1431 * for freeing the string. */
1433 ofp_to_string(const void *oh_, size_t len, int verbosity)
1435 struct ds string = DS_EMPTY_INITIALIZER;
1436 const struct ofp_header *oh = oh_;
1439 ds_put_cstr(&string, "OpenFlow message is empty\n");
1440 } else if (len < sizeof(struct ofp_header)) {
1441 ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
1443 } else if (oh->version != OFP_VERSION) {
1444 ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n",
1446 } else if (ntohs(oh->length) > len) {
1447 ds_put_format(&string,
1448 "(***truncated to %zu bytes from %"PRIu16"***)\n",
1449 len, ntohs(oh->length));
1450 } else if (ntohs(oh->length) < len) {
1451 ds_put_format(&string,
1452 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1453 ntohs(oh->length), len);
1455 const struct ofputil_msg_type *type;
1458 error = ofputil_decode_msg_type(oh, &type);
1460 ofp_to_string__(oh, type, &string, verbosity);
1461 if (verbosity >= 5) {
1462 if (ds_last(&string) != '\n') {
1463 ds_put_char(&string, '\n');
1465 ds_put_hex_dump(&string, oh, len, 0, true);
1467 if (ds_last(&string) != '\n') {
1468 ds_put_char(&string, '\n');
1470 return ds_steal_cstr(&string);
1473 ofp_print_error(&string, error);
1475 ds_put_hex_dump(&string, oh, len, 0, true);
1476 return ds_steal_cstr(&string);
1479 /* Returns the name for the specified OpenFlow message type as a string,
1480 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1481 * hex number, e.g. "0x55".
1483 * The caller must free the returned string when it is no longer needed. */
1485 ofp_message_type_to_string(uint8_t type)
1496 case OFPT_ECHO_REQUEST:
1497 name = "ECHO_REQUEST";
1499 case OFPT_ECHO_REPLY:
1500 name = "ECHO_REPLY";
1505 case OFPT_FEATURES_REQUEST:
1506 name = "FEATURES_REQUEST";
1508 case OFPT_FEATURES_REPLY:
1509 name = "FEATURES_REPLY";
1511 case OFPT_GET_CONFIG_REQUEST:
1512 name = "GET_CONFIG_REQUEST";
1514 case OFPT_GET_CONFIG_REPLY:
1515 name = "GET_CONFIG_REPLY";
1517 case OFPT_SET_CONFIG:
1518 name = "SET_CONFIG";
1520 case OFPT_PACKET_IN:
1523 case OFPT_FLOW_REMOVED:
1524 name = "FLOW_REMOVED";
1526 case OFPT_PORT_STATUS:
1527 name = "PORT_STATUS";
1529 case OFPT_PACKET_OUT:
1530 name = "PACKET_OUT";
1538 case OFPT_STATS_REQUEST:
1539 name = "STATS_REQUEST";
1541 case OFPT_STATS_REPLY:
1542 name = "STATS_REPLY";
1544 case OFPT_BARRIER_REQUEST:
1545 name = "BARRIER_REQUEST";
1547 case OFPT_BARRIER_REPLY:
1548 name = "BARRIER_REPLY";
1550 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1551 name = "QUEUE_GET_CONFIG_REQUEST";
1553 case OFPT_QUEUE_GET_CONFIG_REPLY:
1554 name = "QUEUE_GET_CONFIG_REPLY";
1561 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
1565 print_and_free(FILE *stream, char *string)
1567 fputs(string, stream);
1571 /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1572 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1573 * numbers increase verbosity. */
1575 ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1577 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1580 /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1581 * 'data' to 'stream'. */
1583 ofp_print_packet(FILE *stream, const void *data, size_t len)
1585 print_and_free(stream, ofp_packet_to_string(data, len));