2 * Copyright (c) 2008, 2009, 2010, 2011, 2012 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"
37 #include "ofp-errors.h"
40 #include "openflow/openflow.h"
41 #include "openflow/nicira-ext.h"
44 #include "type-props.h"
45 #include "unaligned.h"
48 static void ofp_print_queue_name(struct ds *string, uint32_t port);
49 static void ofp_print_error(struct ds *, enum ofperr);
52 /* Returns a string that represents the contents of the Ethernet frame in the
53 * 'len' bytes starting at 'data'. The caller must free the returned string.*/
55 ofp_packet_to_string(const void *data, size_t len)
57 struct ds ds = DS_EMPTY_INITIALIZER;
61 ofpbuf_use_const(&buf, data, len);
62 flow_extract(&buf, 0, 0, 0, &flow);
63 flow_format(&ds, &flow);
66 if (flow.nw_proto == IPPROTO_TCP) {
67 struct tcp_header *th = buf.l4;
68 ds_put_format(&ds, " tcp_csum:%"PRIx16,
70 } else if (flow.nw_proto == IPPROTO_UDP) {
71 struct udp_header *uh = buf.l4;
72 ds_put_format(&ds, " udp_csum:%"PRIx16,
77 ds_put_char(&ds, '\n');
83 ofp_print_packet_in(struct ds *string, const struct ofp_header *oh,
86 struct ofputil_packet_in pin;
90 error = ofputil_decode_packet_in(&pin, oh);
92 ofp_print_error(string, error);
97 ds_put_format(string, " table_id=%"PRIu8, pin.table_id);
101 ds_put_format(string, " cookie=0x%"PRIx64, ntohll(pin.cookie));
104 ds_put_format(string, " total_len=%"PRIu16" in_port=", pin.total_len);
105 ofputil_format_port(pin.fmd.in_port, string);
107 if (pin.fmd.tun_id_mask) {
108 ds_put_format(string, " tun_id=0x%"PRIx64, ntohll(pin.fmd.tun_id));
109 if (pin.fmd.tun_id_mask != htonll(UINT64_MAX)) {
110 ds_put_format(string, "/0x%"PRIx64, ntohll(pin.fmd.tun_id_mask));
114 for (i = 0; i < FLOW_N_REGS; i++) {
115 if (pin.fmd.reg_masks[i]) {
116 ds_put_format(string, " reg%d=0x%"PRIx32, i, pin.fmd.regs[i]);
117 if (pin.fmd.reg_masks[i] != UINT32_MAX) {
118 ds_put_format(string, "/0x%"PRIx32, pin.fmd.reg_masks[i]);
123 switch (pin.reason) {
125 ds_put_cstr(string, " (via no_match)");
128 ds_put_cstr(string, " (via action)");
130 case OFPR_INVALID_TTL:
131 ds_put_cstr(string, " (via invalid_ttl)");
134 ds_put_format(string, " (***reason %"PRIu8"***)", pin.reason);
138 ds_put_format(string, " data_len=%zu", pin.packet_len);
139 if (pin.buffer_id == UINT32_MAX) {
140 ds_put_format(string, " (unbuffered)");
141 if (pin.total_len != pin.packet_len) {
142 ds_put_format(string, " (***total_len != data_len***)");
145 ds_put_format(string, " buffer=0x%08"PRIx32, pin.buffer_id);
146 if (pin.total_len < pin.packet_len) {
147 ds_put_format(string, " (***total_len < data_len***)");
150 ds_put_char(string, '\n');
153 char *packet = ofp_packet_to_string(pin.packet, pin.packet_len);
154 ds_put_cstr(string, packet);
160 print_note(struct ds *string, const struct nx_action_note *nan)
165 ds_put_cstr(string, "note:");
166 len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
167 for (i = 0; i < len; i++) {
169 ds_put_char(string, '.');
171 ds_put_format(string, "%02"PRIx8, nan->note[i]);
176 ofp_print_action(struct ds *s, const union ofp_action *a,
177 enum ofputil_action_code code)
179 const struct ofp_action_enqueue *oae;
180 const struct ofp_action_dl_addr *oada;
181 const struct nx_action_set_tunnel64 *nast64;
182 const struct nx_action_set_tunnel *nast;
183 const struct nx_action_set_queue *nasq;
184 const struct nx_action_resubmit *nar;
185 const struct nx_action_reg_move *move;
186 const struct nx_action_reg_load *load;
187 const struct nx_action_multipath *nam;
188 const struct nx_action_autopath *naa;
189 const struct nx_action_output_reg *naor;
193 case OFPUTIL_OFPAT_OUTPUT:
194 port = ntohs(a->output.port);
195 if (port < OFPP_MAX) {
196 ds_put_format(s, "output:%"PRIu16, port);
198 ofputil_format_port(port, s);
199 if (port == OFPP_CONTROLLER) {
200 if (a->output.max_len != htons(0)) {
201 ds_put_format(s, ":%"PRIu16, ntohs(a->output.max_len));
203 ds_put_cstr(s, ":all");
209 case OFPUTIL_OFPAT_ENQUEUE:
210 oae = (const struct ofp_action_enqueue *) a;
211 ds_put_format(s, "enqueue:");
212 ofputil_format_port(ntohs(oae->port), s);
213 ds_put_format(s, "q%"PRIu32, ntohl(oae->queue_id));
216 case OFPUTIL_OFPAT_SET_VLAN_VID:
217 ds_put_format(s, "mod_vlan_vid:%"PRIu16,
218 ntohs(a->vlan_vid.vlan_vid));
221 case OFPUTIL_OFPAT_SET_VLAN_PCP:
222 ds_put_format(s, "mod_vlan_pcp:%"PRIu8, a->vlan_pcp.vlan_pcp);
225 case OFPUTIL_OFPAT_STRIP_VLAN:
226 ds_put_cstr(s, "strip_vlan");
229 case OFPUTIL_OFPAT_SET_DL_SRC:
230 oada = (const struct ofp_action_dl_addr *) a;
231 ds_put_format(s, "mod_dl_src:"ETH_ADDR_FMT,
232 ETH_ADDR_ARGS(oada->dl_addr));
235 case OFPUTIL_OFPAT_SET_DL_DST:
236 oada = (const struct ofp_action_dl_addr *) a;
237 ds_put_format(s, "mod_dl_dst:"ETH_ADDR_FMT,
238 ETH_ADDR_ARGS(oada->dl_addr));
241 case OFPUTIL_OFPAT_SET_NW_SRC:
242 ds_put_format(s, "mod_nw_src:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
245 case OFPUTIL_OFPAT_SET_NW_DST:
246 ds_put_format(s, "mod_nw_dst:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
249 case OFPUTIL_OFPAT_SET_NW_TOS:
250 ds_put_format(s, "mod_nw_tos:%d", a->nw_tos.nw_tos);
253 case OFPUTIL_OFPAT_SET_TP_SRC:
254 ds_put_format(s, "mod_tp_src:%d", ntohs(a->tp_port.tp_port));
257 case OFPUTIL_OFPAT_SET_TP_DST:
258 ds_put_format(s, "mod_tp_dst:%d", ntohs(a->tp_port.tp_port));
261 case OFPUTIL_NXAST_RESUBMIT:
262 nar = (struct nx_action_resubmit *)a;
263 ds_put_format(s, "resubmit:");
264 ofputil_format_port(ntohs(nar->in_port), s);
267 case OFPUTIL_NXAST_RESUBMIT_TABLE:
268 nar = (struct nx_action_resubmit *)a;
269 ds_put_format(s, "resubmit(");
270 if (nar->in_port != htons(OFPP_IN_PORT)) {
271 ofputil_format_port(ntohs(nar->in_port), s);
274 if (nar->table != 255) {
275 ds_put_format(s, "%"PRIu8, nar->table);
280 case OFPUTIL_NXAST_SET_TUNNEL:
281 nast = (struct nx_action_set_tunnel *)a;
282 ds_put_format(s, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
285 case OFPUTIL_NXAST_SET_QUEUE:
286 nasq = (struct nx_action_set_queue *)a;
287 ds_put_format(s, "set_queue:%u", ntohl(nasq->queue_id));
290 case OFPUTIL_NXAST_POP_QUEUE:
291 ds_put_cstr(s, "pop_queue");
294 case OFPUTIL_NXAST_NOTE:
295 print_note(s, (const struct nx_action_note *) a);
298 case OFPUTIL_NXAST_REG_MOVE:
299 move = (const struct nx_action_reg_move *) a;
300 nxm_format_reg_move(move, s);
303 case OFPUTIL_NXAST_REG_LOAD:
304 load = (const struct nx_action_reg_load *) a;
305 nxm_format_reg_load(load, s);
308 case OFPUTIL_NXAST_SET_TUNNEL64:
309 nast64 = (const struct nx_action_set_tunnel64 *) a;
310 ds_put_format(s, "set_tunnel64:%#"PRIx64,
311 ntohll(nast64->tun_id));
314 case OFPUTIL_NXAST_MULTIPATH:
315 nam = (const struct nx_action_multipath *) a;
316 multipath_format(nam, s);
319 case OFPUTIL_NXAST_AUTOPATH:
320 naa = (const struct nx_action_autopath *)a;
321 ds_put_format(s, "autopath(%u,", ntohl(naa->id));
322 nxm_format_field_bits(s, ntohl(naa->dst),
323 nxm_decode_ofs(naa->ofs_nbits),
324 nxm_decode_n_bits(naa->ofs_nbits));
328 case OFPUTIL_NXAST_BUNDLE:
329 case OFPUTIL_NXAST_BUNDLE_LOAD:
330 bundle_format((const struct nx_action_bundle *) a, s);
333 case OFPUTIL_NXAST_OUTPUT_REG:
334 naor = (const struct nx_action_output_reg *) a;
335 ds_put_cstr(s, "output:");
336 nxm_format_field_bits(s, ntohl(naor->src),
337 nxm_decode_ofs(naor->ofs_nbits),
338 nxm_decode_n_bits(naor->ofs_nbits));
341 case OFPUTIL_NXAST_LEARN:
342 learn_format((const struct nx_action_learn *) a, s);
345 case OFPUTIL_NXAST_DEC_TTL:
346 ds_put_cstr(s, "dec_ttl");
349 case OFPUTIL_NXAST_EXIT:
350 ds_put_cstr(s, "exit");
359 ofp_print_actions(struct ds *string, const union ofp_action *actions,
362 const union ofp_action *a;
365 ds_put_cstr(string, "actions=");
367 ds_put_cstr(string, "drop");
370 OFPUTIL_ACTION_FOR_EACH (a, left, actions, n_actions) {
371 int code = ofputil_decode_action(a);
374 ds_put_cstr(string, ",");
376 ofp_print_action(string, a, code);
378 ofp_print_error(string, -code);
382 ds_put_format(string, " ***%zu leftover bytes following actions",
388 ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
391 size_t len = ntohs(opo->header.length);
392 size_t actions_len = ntohs(opo->actions_len);
394 ds_put_cstr(string, " in_port=");
395 ofputil_format_port(ntohs(opo->in_port), string);
397 ds_put_format(string, " actions_len=%zu ", actions_len);
398 if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
399 ds_put_format(string, "***packet too short for action length***\n");
402 if (actions_len % sizeof(union ofp_action)) {
403 ds_put_format(string, "***action length not a multiple of %zu***\n",
404 sizeof(union ofp_action));
406 ofp_print_actions(string, (const union ofp_action *) opo->actions,
407 actions_len / sizeof(union ofp_action));
409 if (ntohl(opo->buffer_id) == UINT32_MAX) {
410 int data_len = len - sizeof *opo - actions_len;
411 ds_put_format(string, " data_len=%d", data_len);
412 if (verbosity > 0 && len > sizeof *opo) {
413 char *packet = ofp_packet_to_string(
414 (uint8_t *) opo->actions + actions_len, data_len);
415 ds_put_char(string, '\n');
416 ds_put_cstr(string, packet);
420 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
422 ds_put_char(string, '\n');
425 /* qsort comparison function. */
427 compare_ports(const void *a_, const void *b_)
429 const struct ofp_phy_port *a = a_;
430 const struct ofp_phy_port *b = b_;
431 uint16_t ap = ntohs(a->port_no);
432 uint16_t bp = ntohs(b->port_no);
434 return ap < bp ? -1 : ap > bp;
443 ofp_print_bit_names(struct ds *string, uint32_t bits,
444 const struct bit_name bit_names[])
449 ds_put_cstr(string, "0");
453 for (; bits && bit_names->name; bit_names++) {
454 if (bits & bit_names->bit) {
456 ds_put_char(string, ' ');
458 ds_put_cstr(string, bit_names->name);
459 bits &= ~bit_names->bit;
465 ds_put_char(string, ' ');
467 ds_put_format(string, "0x%"PRIx32, bits);
472 ofp_print_port_features(struct ds *string, uint32_t features)
474 static const struct bit_name feature_bits[] = {
475 { OFPPF_10MB_HD, "10MB-HD" },
476 { OFPPF_10MB_FD, "10MB-FD" },
477 { OFPPF_100MB_HD, "100MB-HD" },
478 { OFPPF_100MB_FD, "100MB-FD" },
479 { OFPPF_1GB_HD, "1GB-HD" },
480 { OFPPF_1GB_FD, "1GB-FD" },
481 { OFPPF_10GB_FD, "10GB-FD" },
482 { OFPPF_COPPER, "COPPER" },
483 { OFPPF_FIBER, "FIBER" },
484 { OFPPF_AUTONEG, "AUTO_NEG" },
485 { OFPPF_PAUSE, "AUTO_PAUSE" },
486 { OFPPF_PAUSE_ASYM, "AUTO_PAUSE_ASYM" },
490 ofp_print_bit_names(string, features, feature_bits);
491 ds_put_char(string, '\n');
495 ofp_print_port_config(struct ds *string, uint32_t config)
497 static const struct bit_name config_bits[] = {
498 { OFPPC_PORT_DOWN, "PORT_DOWN" },
499 { OFPPC_NO_STP, "NO_STP" },
500 { OFPPC_NO_RECV, "NO_RECV" },
501 { OFPPC_NO_RECV_STP, "NO_RECV_STP" },
502 { OFPPC_NO_FLOOD, "NO_FLOOD" },
503 { OFPPC_NO_FWD, "NO_FWD" },
504 { OFPPC_NO_PACKET_IN, "NO_PACKET_IN" },
508 ofp_print_bit_names(string, config, config_bits);
509 ds_put_char(string, '\n');
513 ofp_print_port_state(struct ds *string, uint32_t state)
515 static const struct bit_name state_bits[] = {
516 { OFPPS_LINK_DOWN, "LINK_DOWN" },
521 /* The STP state is a 2-bit field so it doesn't fit in with the bitmask
522 * pattern. We have to special case it.
524 * OVS doesn't support STP, so this field will always be 0 if we are
525 * talking to OVS, so we'd always print STP_LISTEN in that case.
526 * Therefore, we don't print anything at all if the value is STP_LISTEN, to
527 * avoid confusing users. */
528 stp_state = state & OFPPS_STP_MASK;
530 ds_put_cstr(string, (stp_state == OFPPS_STP_LEARN ? "STP_LEARN"
531 : stp_state == OFPPS_STP_FORWARD ? "STP_FORWARD"
533 state &= ~OFPPS_STP_MASK;
535 ofp_print_bit_names(string, state, state_bits);
538 ofp_print_bit_names(string, state, state_bits);
540 ds_put_char(string, '\n');
544 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
546 char name[OFP_MAX_PORT_NAME_LEN];
549 memcpy(name, port->name, sizeof name);
550 for (j = 0; j < sizeof name - 1; j++) {
551 if (!isprint((unsigned char) name[j])) {
557 ds_put_char(string, ' ');
558 ofputil_format_port(ntohs(port->port_no), string);
559 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT"\n",
560 name, ETH_ADDR_ARGS(port->hw_addr));
562 ds_put_cstr(string, " config: ");
563 ofp_print_port_config(string, ntohl(port->config));
565 ds_put_cstr(string, " state: ");
566 ofp_print_port_state(string, ntohl(port->state));
569 ds_put_format(string, " current: ");
570 ofp_print_port_features(string, ntohl(port->curr));
572 if (port->advertised) {
573 ds_put_format(string, " advertised: ");
574 ofp_print_port_features(string, ntohl(port->advertised));
576 if (port->supported) {
577 ds_put_format(string, " supported: ");
578 ofp_print_port_features(string, ntohl(port->supported));
581 ds_put_format(string, " peer: ");
582 ofp_print_port_features(string, ntohl(port->peer));
587 ofp_print_switch_features(struct ds *string,
588 const struct ofp_switch_features *osf)
590 size_t len = ntohs(osf->header.length);
591 struct ofp_phy_port *port_list;
595 ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n",
596 osf->header.version, ntohll(osf->datapath_id));
597 ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
598 ntohl(osf->n_buffers));
599 ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
600 ntohl(osf->capabilities), ntohl(osf->actions));
602 n_ports = (len - sizeof *osf) / sizeof *osf->ports;
604 port_list = xmemdup(osf->ports, len - sizeof *osf);
605 qsort(port_list, n_ports, sizeof *port_list, compare_ports);
606 for (i = 0; i < n_ports; i++) {
607 ofp_print_phy_port(string, &port_list[i]);
613 ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
615 enum ofp_config_flags flags;
617 flags = ntohs(osc->flags);
619 ds_put_format(string, " frags=%s", ofputil_frag_handling_to_string(flags));
620 flags &= ~OFPC_FRAG_MASK;
622 if (flags & OFPC_INVALID_TTL_TO_CONTROLLER) {
623 ds_put_format(string, " invalid_ttl_to_controller");
624 flags &= ~OFPC_INVALID_TTL_TO_CONTROLLER;
628 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
631 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
634 static void print_wild(struct ds *string, const char *leader, int is_wild,
635 int verbosity, const char *format, ...)
636 __attribute__((format(printf, 5, 6)));
638 static void print_wild(struct ds *string, const char *leader, int is_wild,
639 int verbosity, const char *format, ...)
641 if (is_wild && verbosity < 2) {
644 ds_put_cstr(string, leader);
648 va_start(args, format);
649 ds_put_format_valist(string, format, args);
652 ds_put_char(string, '*');
654 ds_put_char(string, ',');
658 print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
659 uint32_t wild_bits, int verbosity)
661 if (wild_bits >= 32 && verbosity < 2) {
664 ds_put_cstr(string, leader);
665 if (wild_bits < 32) {
666 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
668 ds_put_format(string, "/%d", 32 - wild_bits);
671 ds_put_char(string, '*');
673 ds_put_char(string, ',');
677 ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
679 char *s = ofp_match_to_string(om, verbosity);
685 ofp_match_to_string(const struct ofp_match *om, int verbosity)
687 struct ds f = DS_EMPTY_INITIALIZER;
688 uint32_t w = ntohl(om->wildcards);
689 bool skip_type = false;
690 bool skip_proto = false;
692 if (!(w & OFPFW_DL_TYPE)) {
694 if (om->dl_type == htons(ETH_TYPE_IP)) {
695 if (!(w & OFPFW_NW_PROTO)) {
697 if (om->nw_proto == IPPROTO_ICMP) {
698 ds_put_cstr(&f, "icmp,");
699 } else if (om->nw_proto == IPPROTO_TCP) {
700 ds_put_cstr(&f, "tcp,");
701 } else if (om->nw_proto == IPPROTO_UDP) {
702 ds_put_cstr(&f, "udp,");
704 ds_put_cstr(&f, "ip,");
708 ds_put_cstr(&f, "ip,");
710 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
711 ds_put_cstr(&f, "arp,");
716 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
717 "%d", ntohs(om->in_port));
718 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
719 "%d", ntohs(om->dl_vlan));
720 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
721 "%d", om->dl_vlan_pcp);
722 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
723 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
724 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
725 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
727 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
728 "0x%04x", ntohs(om->dl_type));
730 print_ip_netmask(&f, "nw_src=", om->nw_src,
731 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
732 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
733 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
735 if (om->dl_type == htons(ETH_TYPE_ARP)) {
736 print_wild(&f, "arp_op=", w & OFPFW_NW_PROTO, verbosity,
739 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
743 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
745 if (om->nw_proto == IPPROTO_ICMP) {
746 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
747 "%d", ntohs(om->tp_src));
748 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
749 "%d", ntohs(om->tp_dst));
751 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
752 "%d", ntohs(om->tp_src));
753 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
754 "%d", ntohs(om->tp_dst));
756 if (ds_last(&f) == ',') {
763 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
764 enum ofputil_msg_code code, int verbosity)
766 struct ofputil_flow_mod fm;
770 error = ofputil_decode_flow_mod(&fm, oh, true);
772 ofp_print_error(s, error);
777 switch (fm.command) {
779 ds_put_cstr(s, "ADD");
782 ds_put_cstr(s, "MOD");
784 case OFPFC_MODIFY_STRICT:
785 ds_put_cstr(s, "MOD_STRICT");
788 ds_put_cstr(s, "DEL");
790 case OFPFC_DELETE_STRICT:
791 ds_put_cstr(s, "DEL_STRICT");
794 ds_put_format(s, "cmd:%d", fm.command);
796 if (fm.table_id != 0) {
797 ds_put_format(s, " table:%d", fm.table_id);
801 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
802 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
803 ofp_print_match(s, &ofm->match, verbosity);
805 /* ofp_print_match() doesn't print priority. */
806 need_priority = true;
807 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
808 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
809 const void *nxm = nfm + 1;
812 nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
813 ds_put_cstr(s, nxm_s);
816 /* nx_match_to_string() doesn't print priority. */
817 need_priority = true;
819 cls_rule_format(&fm.cr, s);
821 /* cls_rule_format() does print priority. */
822 need_priority = false;
825 if (ds_last(s) != ' ') {
828 if (fm.cookie != htonll(0)) {
829 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
831 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
832 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
834 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
835 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
837 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
838 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
840 if (fm.buffer_id != UINT32_MAX) {
841 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
844 ds_put_format(s, "flags:0x%"PRIx16" ", fm.flags);
847 ofp_print_actions(s, fm.actions, fm.n_actions);
851 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
853 ds_put_format(string, "%u", sec);
855 ds_put_format(string, ".%09u", nsec);
856 while (string->string[string->length - 1] == '0') {
860 ds_put_char(string, 's');
864 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
866 struct ofputil_flow_removed fr;
869 error = ofputil_decode_flow_removed(&fr, oh);
871 ofp_print_error(string, error);
875 ds_put_char(string, ' ');
876 cls_rule_format(&fr.rule, string);
878 ds_put_cstr(string, " reason=");
880 case OFPRR_IDLE_TIMEOUT:
881 ds_put_cstr(string, "idle");
883 case OFPRR_HARD_TIMEOUT:
884 ds_put_cstr(string, "hard");
887 ds_put_cstr(string, "delete");
890 ds_put_format(string, "**%"PRIu8"**", fr.reason);
894 if (fr.cookie != htonll(0)) {
895 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
897 ds_put_cstr(string, " duration");
898 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
899 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
900 fr.idle_timeout, fr.packet_count, fr.byte_count);
904 ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
906 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
907 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
908 ntohl(opm->config), ntohl(opm->mask));
909 ds_put_format(string, " advertise: ");
910 if (opm->advertise) {
911 ofp_print_port_features(string, ntohl(opm->advertise));
913 ds_put_format(string, "UNCHANGED\n");
918 ofp_print_error(struct ds *string, enum ofperr error)
920 if (string->length) {
921 ds_put_char(string, ' ');
923 ds_put_format(string, "***decode error: %s***\n", ofperr_get_name(error));
927 ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
929 size_t len = ntohs(oem->header.length);
930 size_t payload_ofs, payload_len;
935 error = ofperr_decode_msg(&oem->header, &payload_ofs);
937 ds_put_cstr(string, "***decode error***");
938 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
942 ds_put_format(string, " %s\n", ofperr_get_name(error));
944 payload = (const uint8_t *) oem + payload_ofs;
945 payload_len = len - payload_ofs;
946 if (error == OFPERR_OFPHFC_INCOMPATIBLE || error == OFPERR_OFPHFC_EPERM) {
947 ds_put_printable(string, payload, payload_len);
949 s = ofp_to_string(payload, payload_len, 1);
950 ds_put_cstr(string, s);
956 ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
958 if (ops->reason == OFPPR_ADD) {
959 ds_put_format(string, " ADD:");
960 } else if (ops->reason == OFPPR_DELETE) {
961 ds_put_format(string, " DEL:");
962 } else if (ops->reason == OFPPR_MODIFY) {
963 ds_put_format(string, " MOD:");
966 ofp_print_phy_port(string, &ops->desc);
970 ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_desc_stats *ods)
972 ds_put_char(string, '\n');
973 ds_put_format(string, "Manufacturer: %.*s\n",
974 (int) sizeof ods->mfr_desc, ods->mfr_desc);
975 ds_put_format(string, "Hardware: %.*s\n",
976 (int) sizeof ods->hw_desc, ods->hw_desc);
977 ds_put_format(string, "Software: %.*s\n",
978 (int) sizeof ods->sw_desc, ods->sw_desc);
979 ds_put_format(string, "Serial Num: %.*s\n",
980 (int) sizeof ods->serial_num, ods->serial_num);
981 ds_put_format(string, "DP Description: %.*s\n",
982 (int) sizeof ods->dp_desc, ods->dp_desc);
986 ofp_print_flow_stats_request(struct ds *string,
987 const struct ofp_stats_msg *osm)
989 struct ofputil_flow_stats_request fsr;
992 error = ofputil_decode_flow_stats_request(&fsr, &osm->header);
994 ofp_print_error(string, error);
998 if (fsr.table_id != 0xff) {
999 ds_put_format(string, " table=%"PRIu8, fsr.table_id);
1002 if (fsr.out_port != OFPP_NONE) {
1003 ds_put_cstr(string, " out_port=");
1004 ofputil_format_port(fsr.out_port, string);
1007 /* A flow stats request doesn't include a priority, but cls_rule_format()
1008 * will print one unless it is OFP_DEFAULT_PRIORITY. */
1009 fsr.match.priority = OFP_DEFAULT_PRIORITY;
1011 ds_put_char(string, ' ');
1012 cls_rule_format(&fsr.match, string);
1016 ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
1020 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1022 struct ofputil_flow_stats fs;
1025 retval = ofputil_decode_flow_stats_reply(&fs, &b);
1027 if (retval != EOF) {
1028 ds_put_cstr(string, " ***parse error***");
1033 ds_put_char(string, '\n');
1035 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1037 ofp_print_duration(string, fs.duration_sec, fs.duration_nsec);
1038 ds_put_format(string, ", table=%"PRIu8", ", fs.table_id);
1039 ds_put_format(string, "n_packets=%"PRIu64", ", fs.packet_count);
1040 ds_put_format(string, "n_bytes=%"PRIu64", ", fs.byte_count);
1041 if (fs.idle_timeout != OFP_FLOW_PERMANENT) {
1042 ds_put_format(string, "idle_timeout=%"PRIu16",", fs.idle_timeout);
1044 if (fs.hard_timeout != OFP_FLOW_PERMANENT) {
1045 ds_put_format(string, "hard_timeout=%"PRIu16",", fs.hard_timeout);
1048 cls_rule_format(&fs.rule, string);
1049 if (string->string[string->length - 1] != ' ') {
1050 ds_put_char(string, ' ');
1052 ofp_print_actions(string, fs.actions, fs.n_actions);
1057 ofp_print_ofpst_aggregate_reply(struct ds *string,
1058 const struct ofp_aggregate_stats_reply *asr)
1060 ds_put_format(string, " packet_count=%"PRIu64,
1061 ntohll(get_32aligned_be64(&asr->packet_count)));
1062 ds_put_format(string, " byte_count=%"PRIu64,
1063 ntohll(get_32aligned_be64(&asr->byte_count)));
1064 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1068 ofp_print_nxst_aggregate_reply(struct ds *string,
1069 const struct nx_aggregate_stats_reply *nasr)
1071 ds_put_format(string, " packet_count=%"PRIu64, ntohll(nasr->packet_count));
1072 ds_put_format(string, " byte_count=%"PRIu64, ntohll(nasr->byte_count));
1073 ds_put_format(string, " flow_count=%"PRIu32, ntohl(nasr->flow_count));
1076 static void print_port_stat(struct ds *string, const char *leader,
1077 const ovs_32aligned_be64 *statp, int more)
1079 uint64_t stat = ntohll(get_32aligned_be64(statp));
1081 ds_put_cstr(string, leader);
1082 if (stat != UINT64_MAX) {
1083 ds_put_format(string, "%"PRIu64, stat);
1085 ds_put_char(string, '?');
1088 ds_put_cstr(string, ", ");
1090 ds_put_cstr(string, "\n");
1095 ofp_print_ofpst_port_request(struct ds *string,
1096 const struct ofp_port_stats_request *psr)
1098 ds_put_format(string, " port_no=%"PRIu16, ntohs(psr->port_no));
1102 ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1105 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1106 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
1107 ds_put_format(string, " %zu ports\n", n);
1108 if (verbosity < 1) {
1113 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1115 ds_put_cstr(string, "rx ");
1116 print_port_stat(string, "pkts=", &ps->rx_packets, 1);
1117 print_port_stat(string, "bytes=", &ps->rx_bytes, 1);
1118 print_port_stat(string, "drop=", &ps->rx_dropped, 1);
1119 print_port_stat(string, "errs=", &ps->rx_errors, 1);
1120 print_port_stat(string, "frame=", &ps->rx_frame_err, 1);
1121 print_port_stat(string, "over=", &ps->rx_over_err, 1);
1122 print_port_stat(string, "crc=", &ps->rx_crc_err, 0);
1124 ds_put_cstr(string, " tx ");
1125 print_port_stat(string, "pkts=", &ps->tx_packets, 1);
1126 print_port_stat(string, "bytes=", &ps->tx_bytes, 1);
1127 print_port_stat(string, "drop=", &ps->tx_dropped, 1);
1128 print_port_stat(string, "errs=", &ps->tx_errors, 1);
1129 print_port_stat(string, "coll=", &ps->collisions, 0);
1134 ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1137 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1138 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
1139 ds_put_format(string, " %zu tables\n", n);
1140 if (verbosity < 1) {
1145 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1146 ovs_strlcpy(name, ts->name, sizeof name);
1148 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1149 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1150 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1151 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1152 ds_put_cstr(string, " ");
1153 ds_put_format(string, "lookup=%"PRIu64", ",
1154 ntohll(get_32aligned_be64(&ts->lookup_count)));
1155 ds_put_format(string, "matched=%"PRIu64"\n",
1156 ntohll(get_32aligned_be64(&ts->matched_count)));
1161 ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1163 if (queue_id == OFPQ_ALL) {
1164 ds_put_cstr(string, "ALL");
1166 ds_put_format(string, "%"PRIu32, queue_id);
1171 ofp_print_ofpst_queue_request(struct ds *string,
1172 const struct ofp_queue_stats_request *qsr)
1174 ds_put_cstr(string, "port=");
1175 ofputil_format_port(ntohs(qsr->port_no), string);
1177 ds_put_cstr(string, " queue=");
1178 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1182 ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1185 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1186 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
1187 ds_put_format(string, " %zu queues\n", n);
1188 if (verbosity < 1) {
1193 ds_put_cstr(string, " port ");
1194 ofputil_format_port(ntohs(qs->port_no), string);
1195 ds_put_cstr(string, " queue ");
1196 ofp_print_queue_name(string, ntohl(qs->queue_id));
1197 ds_put_cstr(string, ": ");
1199 print_port_stat(string, "bytes=", &qs->tx_bytes, 1);
1200 print_port_stat(string, "pkts=", &qs->tx_packets, 1);
1201 print_port_stat(string, "errors=", &qs->tx_errors, 0);
1206 ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
1208 const struct ofp_stats_msg *srq = (const struct ofp_stats_msg *) oh;
1211 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1217 ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
1219 const struct ofp_stats_msg *srp = (const struct ofp_stats_msg *) oh;
1222 uint16_t flags = ntohs(srp->flags);
1224 ds_put_cstr(string, " flags=");
1225 if (flags & OFPSF_REPLY_MORE) {
1226 ds_put_cstr(string, "[more]");
1227 flags &= ~OFPSF_REPLY_MORE;
1230 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1237 ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
1239 size_t len = ntohs(oh->length);
1241 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
1242 if (verbosity > 1) {
1243 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
1248 ofp_print_nxt_role_message(struct ds *string,
1249 const struct nx_role_request *nrr)
1251 unsigned int role = ntohl(nrr->role);
1253 ds_put_cstr(string, " role=");
1254 if (role == NX_ROLE_OTHER) {
1255 ds_put_cstr(string, "other");
1256 } else if (role == NX_ROLE_MASTER) {
1257 ds_put_cstr(string, "master");
1258 } else if (role == NX_ROLE_SLAVE) {
1259 ds_put_cstr(string, "slave");
1261 ds_put_format(string, "%u", role);
1266 ofp_print_nxt_flow_mod_table_id(struct ds *string,
1267 const struct nx_flow_mod_table_id *nfmti)
1269 ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
1273 ofp_print_nxt_set_flow_format(struct ds *string,
1274 const struct nx_set_flow_format *nsff)
1276 uint32_t format = ntohl(nsff->format);
1278 ds_put_cstr(string, " format=");
1279 if (ofputil_flow_format_is_valid(format)) {
1280 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1282 ds_put_format(string, "%"PRIu32, format);
1287 ofp_print_nxt_set_packet_in_format(struct ds *string,
1288 const struct nx_set_packet_in_format *nspf)
1290 uint32_t format = ntohl(nspf->format);
1292 ds_put_cstr(string, " format=");
1293 if (ofputil_packet_in_format_is_valid(format)) {
1294 ds_put_cstr(string, ofputil_packet_in_format_to_string(format));
1296 ds_put_format(string, "%"PRIu32, format);
1301 ofp_to_string__(const struct ofp_header *oh,
1302 const struct ofputil_msg_type *type, struct ds *string,
1305 enum ofputil_msg_code code;
1306 const void *msg = oh;
1308 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1309 ofputil_msg_type_name(type), ntohl(oh->xid));
1311 code = ofputil_msg_type_code(type);
1313 case OFPUTIL_MSG_INVALID:
1316 case OFPUTIL_OFPT_HELLO:
1317 ds_put_char(string, '\n');
1318 ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
1322 case OFPUTIL_OFPT_ERROR:
1323 ofp_print_error_msg(string, msg);
1326 case OFPUTIL_OFPT_ECHO_REQUEST:
1327 case OFPUTIL_OFPT_ECHO_REPLY:
1328 ofp_print_echo(string, oh, verbosity);
1331 case OFPUTIL_OFPT_FEATURES_REQUEST:
1334 case OFPUTIL_OFPT_FEATURES_REPLY:
1335 ofp_print_switch_features(string, msg);
1338 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1341 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1342 case OFPUTIL_OFPT_SET_CONFIG:
1343 ofp_print_switch_config(string, msg);
1346 case OFPUTIL_OFPT_PACKET_IN:
1347 case OFPUTIL_NXT_PACKET_IN:
1348 ofp_print_packet_in(string, msg, verbosity);
1351 case OFPUTIL_OFPT_FLOW_REMOVED:
1352 case OFPUTIL_NXT_FLOW_REMOVED:
1353 ofp_print_flow_removed(string, msg);
1356 case OFPUTIL_OFPT_PORT_STATUS:
1357 ofp_print_port_status(string, msg);
1360 case OFPUTIL_OFPT_PACKET_OUT:
1361 ofp_print_packet_out(string, msg, verbosity);
1364 case OFPUTIL_OFPT_FLOW_MOD:
1365 ofp_print_flow_mod(string, msg, code, verbosity);
1368 case OFPUTIL_OFPT_PORT_MOD:
1369 ofp_print_port_mod(string, msg);
1372 case OFPUTIL_OFPT_BARRIER_REQUEST:
1373 case OFPUTIL_OFPT_BARRIER_REPLY:
1376 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1377 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1381 case OFPUTIL_OFPST_DESC_REQUEST:
1382 ofp_print_stats_request(string, oh);
1385 case OFPUTIL_OFPST_FLOW_REQUEST:
1386 case OFPUTIL_NXST_FLOW_REQUEST:
1387 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
1388 case OFPUTIL_NXST_AGGREGATE_REQUEST:
1389 ofp_print_stats_request(string, oh);
1390 ofp_print_flow_stats_request(string, msg);
1393 case OFPUTIL_OFPST_TABLE_REQUEST:
1394 ofp_print_stats_request(string, oh);
1397 case OFPUTIL_OFPST_PORT_REQUEST:
1398 ofp_print_stats_request(string, oh);
1399 ofp_print_ofpst_port_request(string, msg);
1402 case OFPUTIL_OFPST_QUEUE_REQUEST:
1403 ofp_print_stats_request(string, oh);
1404 ofp_print_ofpst_queue_request(string, msg);
1407 case OFPUTIL_OFPST_DESC_REPLY:
1408 ofp_print_stats_reply(string, oh);
1409 ofp_print_ofpst_desc_reply(string, msg);
1412 case OFPUTIL_OFPST_FLOW_REPLY:
1413 case OFPUTIL_NXST_FLOW_REPLY:
1414 ofp_print_stats_reply(string, oh);
1415 ofp_print_flow_stats_reply(string, oh);
1418 case OFPUTIL_OFPST_QUEUE_REPLY:
1419 ofp_print_stats_reply(string, oh);
1420 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1423 case OFPUTIL_OFPST_PORT_REPLY:
1424 ofp_print_stats_reply(string, oh);
1425 ofp_print_ofpst_port_reply(string, oh, verbosity);
1428 case OFPUTIL_OFPST_TABLE_REPLY:
1429 ofp_print_stats_reply(string, oh);
1430 ofp_print_ofpst_table_reply(string, oh, verbosity);
1433 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1434 ofp_print_stats_reply(string, oh);
1435 ofp_print_ofpst_aggregate_reply(string, msg);
1438 case OFPUTIL_NXT_ROLE_REQUEST:
1439 case OFPUTIL_NXT_ROLE_REPLY:
1440 ofp_print_nxt_role_message(string, msg);
1443 case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
1444 ofp_print_nxt_flow_mod_table_id(string, msg);
1447 case OFPUTIL_NXT_SET_FLOW_FORMAT:
1448 ofp_print_nxt_set_flow_format(string, msg);
1451 case OFPUTIL_NXT_SET_PACKET_IN_FORMAT:
1452 ofp_print_nxt_set_packet_in_format(string, msg);
1455 case OFPUTIL_NXT_FLOW_MOD:
1456 ofp_print_flow_mod(string, msg, code, verbosity);
1459 case OFPUTIL_NXST_AGGREGATE_REPLY:
1460 ofp_print_stats_reply(string, oh);
1461 ofp_print_nxst_aggregate_reply(string, msg);
1466 /* Composes and returns a string representing the OpenFlow packet of 'len'
1467 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1468 * verbosity and higher numbers increase verbosity. The caller is responsible
1469 * for freeing the string. */
1471 ofp_to_string(const void *oh_, size_t len, int verbosity)
1473 struct ds string = DS_EMPTY_INITIALIZER;
1474 const struct ofp_header *oh = oh_;
1477 ds_put_cstr(&string, "OpenFlow message is empty\n");
1478 } else if (len < sizeof(struct ofp_header)) {
1479 ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
1481 } else if (ntohs(oh->length) > len) {
1482 ds_put_format(&string,
1483 "(***truncated to %zu bytes from %"PRIu16"***)\n",
1484 len, ntohs(oh->length));
1485 } else if (ntohs(oh->length) < len) {
1486 ds_put_format(&string,
1487 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1488 ntohs(oh->length), len);
1490 const struct ofputil_msg_type *type;
1493 error = ofputil_decode_msg_type(oh, &type);
1495 ofp_to_string__(oh, type, &string, verbosity);
1496 if (verbosity >= 5) {
1497 if (ds_last(&string) != '\n') {
1498 ds_put_char(&string, '\n');
1500 ds_put_hex_dump(&string, oh, len, 0, true);
1502 if (ds_last(&string) != '\n') {
1503 ds_put_char(&string, '\n');
1505 return ds_steal_cstr(&string);
1508 ofp_print_error(&string, error);
1510 ds_put_hex_dump(&string, oh, len, 0, true);
1511 return ds_steal_cstr(&string);
1514 /* Returns the name for the specified OpenFlow message type as a string,
1515 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1516 * hex number, e.g. "0x55".
1518 * The caller must free the returned string when it is no longer needed. */
1520 ofp_message_type_to_string(uint8_t type)
1531 case OFPT_ECHO_REQUEST:
1532 name = "ECHO_REQUEST";
1534 case OFPT_ECHO_REPLY:
1535 name = "ECHO_REPLY";
1540 case OFPT_FEATURES_REQUEST:
1541 name = "FEATURES_REQUEST";
1543 case OFPT_FEATURES_REPLY:
1544 name = "FEATURES_REPLY";
1546 case OFPT_GET_CONFIG_REQUEST:
1547 name = "GET_CONFIG_REQUEST";
1549 case OFPT_GET_CONFIG_REPLY:
1550 name = "GET_CONFIG_REPLY";
1552 case OFPT_SET_CONFIG:
1553 name = "SET_CONFIG";
1555 case OFPT_PACKET_IN:
1558 case OFPT_FLOW_REMOVED:
1559 name = "FLOW_REMOVED";
1561 case OFPT_PORT_STATUS:
1562 name = "PORT_STATUS";
1564 case OFPT_PACKET_OUT:
1565 name = "PACKET_OUT";
1573 case OFPT_STATS_REQUEST:
1574 name = "STATS_REQUEST";
1576 case OFPT_STATS_REPLY:
1577 name = "STATS_REPLY";
1579 case OFPT_BARRIER_REQUEST:
1580 name = "BARRIER_REQUEST";
1582 case OFPT_BARRIER_REPLY:
1583 name = "BARRIER_REPLY";
1585 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1586 name = "QUEUE_GET_CONFIG_REQUEST";
1588 case OFPT_QUEUE_GET_CONFIG_REPLY:
1589 name = "QUEUE_GET_CONFIG_REPLY";
1596 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
1600 print_and_free(FILE *stream, char *string)
1602 fputs(string, stream);
1606 /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1607 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1608 * numbers increase verbosity. */
1610 ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1612 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1615 /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1616 * 'data' to 'stream'. */
1618 ofp_print_packet(FILE *stream, const void *data, size_t len)
1620 print_and_free(stream, ofp_packet_to_string(data, len));