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' to 'stream' as output by tcpdump.
54 * The caller must free the returned string.
56 * This starts and kills a tcpdump subprocess so it's quite expensive. */
58 ofp_packet_to_string(const void *data, size_t len)
60 struct ds ds = DS_EMPTY_INITIALIZER;
69 ofpbuf_use_const(&buf, data, len);
73 ovs_error(errno, "tmpfile");
74 return xstrdup("<error>");
76 pcap_write_header(pcap);
77 pcap_write(pcap, &buf);
80 ovs_error(errno, "error writing temporary file");
84 snprintf(command, sizeof command, "/usr/sbin/tcpdump -t -e -n -r /dev/fd/%d 2>/dev/null",
86 tcpdump = popen(command, "r");
89 ovs_error(errno, "exec(\"%s\")", command);
90 return xstrdup("<error>");
93 while ((c = getc(tcpdump)) != EOF) {
97 status = pclose(tcpdump);
98 if (WIFEXITED(status)) {
99 if (WEXITSTATUS(status))
100 ovs_error(0, "tcpdump exited with status %d", WEXITSTATUS(status));
101 } else if (WIFSIGNALED(status)) {
102 ovs_error(0, "tcpdump exited with signal %d", WTERMSIG(status));
108 ofp_print_packet_in(struct ds *string, const struct ofp_packet_in *op,
111 size_t len = ntohs(op->header.length);
114 ds_put_format(string, " total_len=%"PRIu16" in_port=",
115 ntohs(op->total_len));
116 ofputil_format_port(ntohs(op->in_port), string);
118 if (op->reason == OFPR_ACTION)
119 ds_put_cstr(string, " (via action)");
120 else if (op->reason != OFPR_NO_MATCH)
121 ds_put_format(string, " (***reason %"PRIu8"***)", op->reason);
123 data_len = len - offsetof(struct ofp_packet_in, data);
124 ds_put_format(string, " data_len=%zu", data_len);
125 if (op->buffer_id == htonl(UINT32_MAX)) {
126 ds_put_format(string, " (unbuffered)");
127 if (ntohs(op->total_len) != data_len)
128 ds_put_format(string, " (***total_len != data_len***)");
130 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(op->buffer_id));
131 if (ntohs(op->total_len) < data_len)
132 ds_put_format(string, " (***total_len < data_len***)");
134 ds_put_char(string, '\n');
138 struct ofpbuf packet;
140 ofpbuf_use_const(&packet, op->data, data_len);
141 flow_extract(&packet, 0, 0, ntohs(op->in_port), &flow);
142 flow_format(string, &flow);
143 ds_put_char(string, '\n');
146 char *packet = ofp_packet_to_string(op->data, data_len);
147 ds_put_cstr(string, packet);
153 print_note(struct ds *string, const struct nx_action_note *nan)
158 ds_put_cstr(string, "note:");
159 len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
160 for (i = 0; i < len; i++) {
162 ds_put_char(string, '.');
164 ds_put_format(string, "%02"PRIx8, nan->note[i]);
169 ofp_print_action(struct ds *s, const union ofp_action *a,
170 enum ofputil_action_code code)
172 const struct ofp_action_enqueue *oae;
173 const struct ofp_action_dl_addr *oada;
174 const struct nx_action_set_tunnel64 *nast64;
175 const struct nx_action_set_tunnel *nast;
176 const struct nx_action_set_queue *nasq;
177 const struct nx_action_resubmit *nar;
178 const struct nx_action_reg_move *move;
179 const struct nx_action_reg_load *load;
180 const struct nx_action_multipath *nam;
181 const struct nx_action_autopath *naa;
182 const struct nx_action_output_reg *naor;
186 case OFPUTIL_OFPAT_OUTPUT:
187 port = ntohs(a->output.port);
188 if (port < OFPP_MAX) {
189 ds_put_format(s, "output:%"PRIu16, port);
191 ofputil_format_port(port, s);
192 if (port == OFPP_CONTROLLER) {
193 if (a->output.max_len != htons(0)) {
194 ds_put_format(s, ":%"PRIu16, ntohs(a->output.max_len));
196 ds_put_cstr(s, ":all");
202 case OFPUTIL_OFPAT_ENQUEUE:
203 oae = (const struct ofp_action_enqueue *) a;
204 ds_put_format(s, "enqueue:");
205 ofputil_format_port(ntohs(oae->port), s);
206 ds_put_format(s, "q%"PRIu32, ntohl(oae->queue_id));
209 case OFPUTIL_OFPAT_SET_VLAN_VID:
210 ds_put_format(s, "mod_vlan_vid:%"PRIu16,
211 ntohs(a->vlan_vid.vlan_vid));
214 case OFPUTIL_OFPAT_SET_VLAN_PCP:
215 ds_put_format(s, "mod_vlan_pcp:%"PRIu8, a->vlan_pcp.vlan_pcp);
218 case OFPUTIL_OFPAT_STRIP_VLAN:
219 ds_put_cstr(s, "strip_vlan");
222 case OFPUTIL_OFPAT_SET_DL_SRC:
223 oada = (const struct ofp_action_dl_addr *) a;
224 ds_put_format(s, "mod_dl_src:"ETH_ADDR_FMT,
225 ETH_ADDR_ARGS(oada->dl_addr));
228 case OFPUTIL_OFPAT_SET_DL_DST:
229 oada = (const struct ofp_action_dl_addr *) a;
230 ds_put_format(s, "mod_dl_dst:"ETH_ADDR_FMT,
231 ETH_ADDR_ARGS(oada->dl_addr));
234 case OFPUTIL_OFPAT_SET_NW_SRC:
235 ds_put_format(s, "mod_nw_src:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
238 case OFPUTIL_OFPAT_SET_NW_DST:
239 ds_put_format(s, "mod_nw_dst:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
242 case OFPUTIL_OFPAT_SET_NW_TOS:
243 ds_put_format(s, "mod_nw_tos:%d", a->nw_tos.nw_tos);
246 case OFPUTIL_OFPAT_SET_TP_SRC:
247 ds_put_format(s, "mod_tp_src:%d", ntohs(a->tp_port.tp_port));
250 case OFPUTIL_OFPAT_SET_TP_DST:
251 ds_put_format(s, "mod_tp_dst:%d", ntohs(a->tp_port.tp_port));
254 case OFPUTIL_NXAST_RESUBMIT:
255 nar = (struct nx_action_resubmit *)a;
256 ds_put_format(s, "resubmit:");
257 ofputil_format_port(ntohs(nar->in_port), s);
260 case OFPUTIL_NXAST_RESUBMIT_TABLE:
261 nar = (struct nx_action_resubmit *)a;
262 ds_put_format(s, "resubmit(");
263 if (nar->in_port != htons(OFPP_IN_PORT)) {
264 ofputil_format_port(ntohs(nar->in_port), s);
267 if (nar->table != 255) {
268 ds_put_format(s, "%"PRIu8, nar->table);
273 case OFPUTIL_NXAST_SET_TUNNEL:
274 nast = (struct nx_action_set_tunnel *)a;
275 ds_put_format(s, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
278 case OFPUTIL_NXAST_SET_QUEUE:
279 nasq = (struct nx_action_set_queue *)a;
280 ds_put_format(s, "set_queue:%u", ntohl(nasq->queue_id));
283 case OFPUTIL_NXAST_POP_QUEUE:
284 ds_put_cstr(s, "pop_queue");
287 case OFPUTIL_NXAST_NOTE:
288 print_note(s, (const struct nx_action_note *) a);
291 case OFPUTIL_NXAST_REG_MOVE:
292 move = (const struct nx_action_reg_move *) a;
293 nxm_format_reg_move(move, s);
296 case OFPUTIL_NXAST_REG_LOAD:
297 load = (const struct nx_action_reg_load *) a;
298 nxm_format_reg_load(load, s);
301 case OFPUTIL_NXAST_SET_TUNNEL64:
302 nast64 = (const struct nx_action_set_tunnel64 *) a;
303 ds_put_format(s, "set_tunnel64:%#"PRIx64,
304 ntohll(nast64->tun_id));
307 case OFPUTIL_NXAST_MULTIPATH:
308 nam = (const struct nx_action_multipath *) a;
309 multipath_format(nam, s);
312 case OFPUTIL_NXAST_AUTOPATH:
313 naa = (const struct nx_action_autopath *)a;
314 ds_put_format(s, "autopath(%u,", ntohl(naa->id));
315 nxm_format_field_bits(s, ntohl(naa->dst),
316 nxm_decode_ofs(naa->ofs_nbits),
317 nxm_decode_n_bits(naa->ofs_nbits));
321 case OFPUTIL_NXAST_BUNDLE:
322 case OFPUTIL_NXAST_BUNDLE_LOAD:
323 bundle_format((const struct nx_action_bundle *) a, s);
326 case OFPUTIL_NXAST_OUTPUT_REG:
327 naor = (const struct nx_action_output_reg *) a;
328 ds_put_cstr(s, "output:");
329 nxm_format_field_bits(s, ntohl(naor->src),
330 nxm_decode_ofs(naor->ofs_nbits),
331 nxm_decode_n_bits(naor->ofs_nbits));
334 case OFPUTIL_NXAST_LEARN:
335 learn_format((const struct nx_action_learn *) a, s);
338 case OFPUTIL_NXAST_EXIT:
339 ds_put_cstr(s, "exit");
348 ofp_print_actions(struct ds *string, const union ofp_action *actions,
351 const union ofp_action *a;
354 ds_put_cstr(string, "actions=");
356 ds_put_cstr(string, "drop");
359 OFPUTIL_ACTION_FOR_EACH (a, left, actions, n_actions) {
360 int code = ofputil_decode_action(a);
363 ds_put_cstr(string, ",");
365 ofp_print_action(string, a, code);
367 ofp_print_error(string, -code);
371 ds_put_format(string, " ***%zu leftover bytes following actions",
377 ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
380 size_t len = ntohs(opo->header.length);
381 size_t actions_len = ntohs(opo->actions_len);
383 ds_put_cstr(string, " in_port=");
384 ofputil_format_port(ntohs(opo->in_port), string);
386 ds_put_format(string, " actions_len=%zu ", actions_len);
387 if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
388 ds_put_format(string, "***packet too short for action length***\n");
391 if (actions_len % sizeof(union ofp_action)) {
392 ds_put_format(string, "***action length not a multiple of %zu***\n",
393 sizeof(union ofp_action));
395 ofp_print_actions(string, (const union ofp_action *) opo->actions,
396 actions_len / sizeof(union ofp_action));
398 if (ntohl(opo->buffer_id) == UINT32_MAX) {
399 int data_len = len - sizeof *opo - actions_len;
400 ds_put_format(string, " data_len=%d", data_len);
401 if (verbosity > 0 && len > sizeof *opo) {
402 char *packet = ofp_packet_to_string(
403 (uint8_t *) opo->actions + actions_len, data_len);
404 ds_put_char(string, '\n');
405 ds_put_cstr(string, packet);
409 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
411 ds_put_char(string, '\n');
414 /* qsort comparison function. */
416 compare_ports(const void *a_, const void *b_)
418 const struct ofp_phy_port *a = a_;
419 const struct ofp_phy_port *b = b_;
420 uint16_t ap = ntohs(a->port_no);
421 uint16_t bp = ntohs(b->port_no);
423 return ap < bp ? -1 : ap > bp;
432 ofp_print_bit_names(struct ds *string, uint32_t bits,
433 const struct bit_name bit_names[])
438 ds_put_cstr(string, "0");
442 for (; bits && bit_names->name; bit_names++) {
443 if (bits & bit_names->bit) {
445 ds_put_char(string, ' ');
447 ds_put_cstr(string, bit_names->name);
448 bits &= ~bit_names->bit;
454 ds_put_char(string, ' ');
456 ds_put_format(string, "0x%"PRIx32, bits);
461 ofp_print_port_features(struct ds *string, uint32_t features)
463 static const struct bit_name feature_bits[] = {
464 { OFPPF_10MB_HD, "10MB-HD" },
465 { OFPPF_10MB_FD, "10MB-FD" },
466 { OFPPF_100MB_HD, "100MB-HD" },
467 { OFPPF_100MB_FD, "100MB-FD" },
468 { OFPPF_1GB_HD, "1GB-HD" },
469 { OFPPF_1GB_FD, "1GB-FD" },
470 { OFPPF_10GB_FD, "10GB-FD" },
471 { OFPPF_COPPER, "COPPER" },
472 { OFPPF_FIBER, "FIBER" },
473 { OFPPF_AUTONEG, "AUTO_NEG" },
474 { OFPPF_PAUSE, "AUTO_PAUSE" },
475 { OFPPF_PAUSE_ASYM, "AUTO_PAUSE_ASYM" },
479 ofp_print_bit_names(string, features, feature_bits);
480 ds_put_char(string, '\n');
484 ofp_print_port_config(struct ds *string, uint32_t config)
486 static const struct bit_name config_bits[] = {
487 { OFPPC_PORT_DOWN, "PORT_DOWN" },
488 { OFPPC_NO_STP, "NO_STP" },
489 { OFPPC_NO_RECV, "NO_RECV" },
490 { OFPPC_NO_RECV_STP, "NO_RECV_STP" },
491 { OFPPC_NO_FLOOD, "NO_FLOOD" },
492 { OFPPC_NO_FWD, "NO_FWD" },
493 { OFPPC_NO_PACKET_IN, "NO_PACKET_IN" },
497 ofp_print_bit_names(string, config, config_bits);
498 ds_put_char(string, '\n');
502 ofp_print_port_state(struct ds *string, uint32_t state)
504 static const struct bit_name state_bits[] = {
505 { OFPPS_LINK_DOWN, "LINK_DOWN" },
510 /* The STP state is a 2-bit field so it doesn't fit in with the bitmask
511 * pattern. We have to special case it.
513 * OVS doesn't support STP, so this field will always be 0 if we are
514 * talking to OVS, so we'd always print STP_LISTEN in that case.
515 * Therefore, we don't print anything at all if the value is STP_LISTEN, to
516 * avoid confusing users. */
517 stp_state = state & OFPPS_STP_MASK;
519 ds_put_cstr(string, (stp_state == OFPPS_STP_LEARN ? "STP_LEARN"
520 : stp_state == OFPPS_STP_FORWARD ? "STP_FORWARD"
522 state &= ~OFPPS_STP_MASK;
524 ofp_print_bit_names(string, state, state_bits);
527 ofp_print_bit_names(string, state, state_bits);
529 ds_put_char(string, '\n');
533 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
535 char name[OFP_MAX_PORT_NAME_LEN];
538 memcpy(name, port->name, sizeof name);
539 for (j = 0; j < sizeof name - 1; j++) {
540 if (!isprint((unsigned char) name[j])) {
546 ds_put_char(string, ' ');
547 ofputil_format_port(ntohs(port->port_no), string);
548 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT"\n",
549 name, ETH_ADDR_ARGS(port->hw_addr));
551 ds_put_cstr(string, " config: ");
552 ofp_print_port_config(string, ntohl(port->config));
554 ds_put_cstr(string, " state: ");
555 ofp_print_port_state(string, ntohl(port->state));
558 ds_put_format(string, " current: ");
559 ofp_print_port_features(string, ntohl(port->curr));
561 if (port->advertised) {
562 ds_put_format(string, " advertised: ");
563 ofp_print_port_features(string, ntohl(port->advertised));
565 if (port->supported) {
566 ds_put_format(string, " supported: ");
567 ofp_print_port_features(string, ntohl(port->supported));
570 ds_put_format(string, " peer: ");
571 ofp_print_port_features(string, ntohl(port->peer));
576 ofp_print_switch_features(struct ds *string,
577 const struct ofp_switch_features *osf)
579 size_t len = ntohs(osf->header.length);
580 struct ofp_phy_port *port_list;
584 ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n",
585 osf->header.version, ntohll(osf->datapath_id));
586 ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
587 ntohl(osf->n_buffers));
588 ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
589 ntohl(osf->capabilities), ntohl(osf->actions));
591 n_ports = (len - sizeof *osf) / sizeof *osf->ports;
593 port_list = xmemdup(osf->ports, len - sizeof *osf);
594 qsort(port_list, n_ports, sizeof *port_list, compare_ports);
595 for (i = 0; i < n_ports; i++) {
596 ofp_print_phy_port(string, &port_list[i]);
602 ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
606 flags = ntohs(osc->flags);
608 ds_put_format(string, " frags=%s", ofputil_frag_handling_to_string(flags));
609 flags &= ~OFPC_FRAG_MASK;
612 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
615 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
618 static void print_wild(struct ds *string, const char *leader, int is_wild,
619 int verbosity, const char *format, ...)
620 __attribute__((format(printf, 5, 6)));
622 static void print_wild(struct ds *string, const char *leader, int is_wild,
623 int verbosity, const char *format, ...)
625 if (is_wild && verbosity < 2) {
628 ds_put_cstr(string, leader);
632 va_start(args, format);
633 ds_put_format_valist(string, format, args);
636 ds_put_char(string, '*');
638 ds_put_char(string, ',');
642 print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
643 uint32_t wild_bits, int verbosity)
645 if (wild_bits >= 32 && verbosity < 2) {
648 ds_put_cstr(string, leader);
649 if (wild_bits < 32) {
650 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
652 ds_put_format(string, "/%d", 32 - wild_bits);
655 ds_put_char(string, '*');
657 ds_put_char(string, ',');
661 ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
663 char *s = ofp_match_to_string(om, verbosity);
669 ofp_match_to_string(const struct ofp_match *om, int verbosity)
671 struct ds f = DS_EMPTY_INITIALIZER;
672 uint32_t w = ntohl(om->wildcards);
673 bool skip_type = false;
674 bool skip_proto = false;
676 if (!(w & OFPFW_DL_TYPE)) {
678 if (om->dl_type == htons(ETH_TYPE_IP)) {
679 if (!(w & OFPFW_NW_PROTO)) {
681 if (om->nw_proto == IPPROTO_ICMP) {
682 ds_put_cstr(&f, "icmp,");
683 } else if (om->nw_proto == IPPROTO_TCP) {
684 ds_put_cstr(&f, "tcp,");
685 } else if (om->nw_proto == IPPROTO_UDP) {
686 ds_put_cstr(&f, "udp,");
688 ds_put_cstr(&f, "ip,");
692 ds_put_cstr(&f, "ip,");
694 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
695 ds_put_cstr(&f, "arp,");
700 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
701 "%d", ntohs(om->in_port));
702 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
703 "%d", ntohs(om->dl_vlan));
704 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
705 "%d", om->dl_vlan_pcp);
706 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
707 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
708 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
709 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
711 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
712 "0x%04x", ntohs(om->dl_type));
714 print_ip_netmask(&f, "nw_src=", om->nw_src,
715 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
716 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
717 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
719 if (om->dl_type == htons(ETH_TYPE_ARP)) {
720 print_wild(&f, "arp_op=", w & OFPFW_NW_PROTO, verbosity,
723 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
727 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
729 if (om->nw_proto == IPPROTO_ICMP) {
730 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
731 "%d", ntohs(om->tp_src));
732 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
733 "%d", ntohs(om->tp_dst));
735 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
736 "%d", ntohs(om->tp_src));
737 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
738 "%d", ntohs(om->tp_dst));
740 if (ds_last(&f) == ',') {
747 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
748 enum ofputil_msg_code code, int verbosity)
750 struct ofputil_flow_mod fm;
754 error = ofputil_decode_flow_mod(&fm, oh, true);
756 ofp_print_error(s, error);
761 switch (fm.command) {
763 ds_put_cstr(s, "ADD");
766 ds_put_cstr(s, "MOD");
768 case OFPFC_MODIFY_STRICT:
769 ds_put_cstr(s, "MOD_STRICT");
772 ds_put_cstr(s, "DEL");
774 case OFPFC_DELETE_STRICT:
775 ds_put_cstr(s, "DEL_STRICT");
778 ds_put_format(s, "cmd:%d", fm.command);
780 if (fm.table_id != 0) {
781 ds_put_format(s, " table:%d", fm.table_id);
785 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
786 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
787 ofp_print_match(s, &ofm->match, verbosity);
789 /* ofp_print_match() doesn't print priority. */
790 need_priority = true;
791 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
792 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
793 const void *nxm = nfm + 1;
796 nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
797 ds_put_cstr(s, nxm_s);
800 /* nx_match_to_string() doesn't print priority. */
801 need_priority = true;
803 cls_rule_format(&fm.cr, s);
805 /* cls_rule_format() does print priority. */
806 need_priority = false;
809 if (ds_last(s) != ' ') {
812 if (fm.cookie != htonll(0)) {
813 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
815 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
816 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
818 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
819 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
821 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
822 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
824 if (fm.buffer_id != UINT32_MAX) {
825 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
828 ds_put_format(s, "flags:0x%"PRIx16" ", fm.flags);
831 ofp_print_actions(s, fm.actions, fm.n_actions);
835 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
837 ds_put_format(string, "%u", sec);
839 ds_put_format(string, ".%09u", nsec);
840 while (string->string[string->length - 1] == '0') {
844 ds_put_char(string, 's');
848 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
850 struct ofputil_flow_removed fr;
853 error = ofputil_decode_flow_removed(&fr, oh);
855 ofp_print_error(string, error);
859 ds_put_char(string, ' ');
860 cls_rule_format(&fr.rule, string);
862 ds_put_cstr(string, " reason=");
864 case OFPRR_IDLE_TIMEOUT:
865 ds_put_cstr(string, "idle");
867 case OFPRR_HARD_TIMEOUT:
868 ds_put_cstr(string, "hard");
871 ds_put_cstr(string, "delete");
874 ds_put_format(string, "**%"PRIu8"**", fr.reason);
878 if (fr.cookie != htonll(0)) {
879 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
881 ds_put_cstr(string, " duration");
882 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
883 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
884 fr.idle_timeout, fr.packet_count, fr.byte_count);
888 ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
890 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
891 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
892 ntohl(opm->config), ntohl(opm->mask));
893 ds_put_format(string, " advertise: ");
894 if (opm->advertise) {
895 ofp_print_port_features(string, ntohl(opm->advertise));
897 ds_put_format(string, "UNCHANGED\n");
902 ofp_print_error(struct ds *string, int error)
904 if (string->length) {
905 ds_put_char(string, ' ');
907 ds_put_cstr(string, "***decode error: ");
908 ofputil_format_error(string, error);
909 ds_put_cstr(string, "***\n");
913 ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
915 size_t len = ntohs(oem->header.length);
916 size_t payload_ofs, payload_len;
921 error = ofputil_decode_error_msg(&oem->header, &payload_ofs);
922 if (!is_ofp_error(error)) {
923 ofp_print_error(string, error);
924 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
928 ds_put_char(string, ' ');
929 ofputil_format_error(string, error);
930 ds_put_char(string, '\n');
932 payload = (const uint8_t *) oem + payload_ofs;
933 payload_len = len - payload_ofs;
934 switch (get_ofp_err_type(error)) {
935 case OFPET_HELLO_FAILED:
936 ds_put_printable(string, payload, payload_len);
940 s = ofp_to_string(payload, payload_len, 1);
941 ds_put_cstr(string, s);
948 ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
950 if (ops->reason == OFPPR_ADD) {
951 ds_put_format(string, " ADD:");
952 } else if (ops->reason == OFPPR_DELETE) {
953 ds_put_format(string, " DEL:");
954 } else if (ops->reason == OFPPR_MODIFY) {
955 ds_put_format(string, " MOD:");
958 ofp_print_phy_port(string, &ops->desc);
962 ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_desc_stats *ods)
964 ds_put_char(string, '\n');
965 ds_put_format(string, "Manufacturer: %.*s\n",
966 (int) sizeof ods->mfr_desc, ods->mfr_desc);
967 ds_put_format(string, "Hardware: %.*s\n",
968 (int) sizeof ods->hw_desc, ods->hw_desc);
969 ds_put_format(string, "Software: %.*s\n",
970 (int) sizeof ods->sw_desc, ods->sw_desc);
971 ds_put_format(string, "Serial Num: %.*s\n",
972 (int) sizeof ods->serial_num, ods->serial_num);
973 ds_put_format(string, "DP Description: %.*s\n",
974 (int) sizeof ods->dp_desc, ods->dp_desc);
978 ofp_print_flow_stats_request(struct ds *string,
979 const struct ofp_stats_msg *osm)
981 struct ofputil_flow_stats_request fsr;
984 error = ofputil_decode_flow_stats_request(&fsr, &osm->header);
986 ofp_print_error(string, error);
990 if (fsr.table_id != 0xff) {
991 ds_put_format(string, " table=%"PRIu8, fsr.table_id);
994 if (fsr.out_port != OFPP_NONE) {
995 ds_put_cstr(string, " out_port=");
996 ofputil_format_port(fsr.out_port, string);
999 /* A flow stats request doesn't include a priority, but cls_rule_format()
1000 * will print one unless it is OFP_DEFAULT_PRIORITY. */
1001 fsr.match.priority = OFP_DEFAULT_PRIORITY;
1003 ds_put_char(string, ' ');
1004 cls_rule_format(&fsr.match, string);
1008 ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
1012 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1014 struct ofputil_flow_stats fs;
1017 retval = ofputil_decode_flow_stats_reply(&fs, &b);
1019 if (retval != EOF) {
1020 ds_put_cstr(string, " ***parse error***");
1025 ds_put_char(string, '\n');
1027 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1029 ofp_print_duration(string, fs.duration_sec, fs.duration_nsec);
1030 ds_put_format(string, ", table=%"PRIu8", ", fs.table_id);
1031 ds_put_format(string, "n_packets=%"PRIu64", ", fs.packet_count);
1032 ds_put_format(string, "n_bytes=%"PRIu64", ", fs.byte_count);
1033 if (fs.idle_timeout != OFP_FLOW_PERMANENT) {
1034 ds_put_format(string, "idle_timeout=%"PRIu16",", fs.idle_timeout);
1036 if (fs.hard_timeout != OFP_FLOW_PERMANENT) {
1037 ds_put_format(string, "hard_timeout=%"PRIu16",", fs.hard_timeout);
1040 cls_rule_format(&fs.rule, string);
1041 if (string->string[string->length - 1] != ' ') {
1042 ds_put_char(string, ' ');
1044 ofp_print_actions(string, fs.actions, fs.n_actions);
1049 ofp_print_ofpst_aggregate_reply(struct ds *string,
1050 const struct ofp_aggregate_stats_reply *asr)
1052 ds_put_format(string, " packet_count=%"PRIu64,
1053 ntohll(get_32aligned_be64(&asr->packet_count)));
1054 ds_put_format(string, " byte_count=%"PRIu64,
1055 ntohll(get_32aligned_be64(&asr->byte_count)));
1056 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1060 ofp_print_nxst_aggregate_reply(struct ds *string,
1061 const struct nx_aggregate_stats_reply *nasr)
1063 ds_put_format(string, " packet_count=%"PRIu64, ntohll(nasr->packet_count));
1064 ds_put_format(string, " byte_count=%"PRIu64, ntohll(nasr->byte_count));
1065 ds_put_format(string, " flow_count=%"PRIu32, ntohl(nasr->flow_count));
1068 static void print_port_stat(struct ds *string, const char *leader,
1069 const ovs_32aligned_be64 *statp, int more)
1071 uint64_t stat = ntohll(get_32aligned_be64(statp));
1073 ds_put_cstr(string, leader);
1074 if (stat != UINT64_MAX) {
1075 ds_put_format(string, "%"PRIu64, stat);
1077 ds_put_char(string, '?');
1080 ds_put_cstr(string, ", ");
1082 ds_put_cstr(string, "\n");
1087 ofp_print_ofpst_port_request(struct ds *string,
1088 const struct ofp_port_stats_request *psr)
1090 ds_put_format(string, " port_no=%"PRIu16, ntohs(psr->port_no));
1094 ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1097 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1098 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
1099 ds_put_format(string, " %zu ports\n", n);
1100 if (verbosity < 1) {
1105 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1107 ds_put_cstr(string, "rx ");
1108 print_port_stat(string, "pkts=", &ps->rx_packets, 1);
1109 print_port_stat(string, "bytes=", &ps->rx_bytes, 1);
1110 print_port_stat(string, "drop=", &ps->rx_dropped, 1);
1111 print_port_stat(string, "errs=", &ps->rx_errors, 1);
1112 print_port_stat(string, "frame=", &ps->rx_frame_err, 1);
1113 print_port_stat(string, "over=", &ps->rx_over_err, 1);
1114 print_port_stat(string, "crc=", &ps->rx_crc_err, 0);
1116 ds_put_cstr(string, " tx ");
1117 print_port_stat(string, "pkts=", &ps->tx_packets, 1);
1118 print_port_stat(string, "bytes=", &ps->tx_bytes, 1);
1119 print_port_stat(string, "drop=", &ps->tx_dropped, 1);
1120 print_port_stat(string, "errs=", &ps->tx_errors, 1);
1121 print_port_stat(string, "coll=", &ps->collisions, 0);
1126 ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1129 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1130 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
1131 ds_put_format(string, " %zu tables\n", n);
1132 if (verbosity < 1) {
1137 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1138 ovs_strlcpy(name, ts->name, sizeof name);
1140 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1141 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1142 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1143 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1144 ds_put_cstr(string, " ");
1145 ds_put_format(string, "lookup=%"PRIu64", ",
1146 ntohll(get_32aligned_be64(&ts->lookup_count)));
1147 ds_put_format(string, "matched=%"PRIu64"\n",
1148 ntohll(get_32aligned_be64(&ts->matched_count)));
1153 ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1155 if (queue_id == OFPQ_ALL) {
1156 ds_put_cstr(string, "ALL");
1158 ds_put_format(string, "%"PRIu32, queue_id);
1163 ofp_print_ofpst_queue_request(struct ds *string,
1164 const struct ofp_queue_stats_request *qsr)
1166 ds_put_cstr(string, "port=");
1167 ofputil_format_port(ntohs(qsr->port_no), string);
1169 ds_put_cstr(string, " queue=");
1170 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1174 ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1177 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1178 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
1179 ds_put_format(string, " %zu queues\n", n);
1180 if (verbosity < 1) {
1185 ds_put_cstr(string, " port ");
1186 ofputil_format_port(ntohs(qs->port_no), string);
1187 ds_put_cstr(string, " queue ");
1188 ofp_print_queue_name(string, ntohl(qs->queue_id));
1189 ds_put_cstr(string, ": ");
1191 print_port_stat(string, "bytes=", &qs->tx_bytes, 1);
1192 print_port_stat(string, "pkts=", &qs->tx_packets, 1);
1193 print_port_stat(string, "errors=", &qs->tx_errors, 0);
1198 ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
1200 const struct ofp_stats_msg *srq = (const struct ofp_stats_msg *) oh;
1203 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1209 ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
1211 const struct ofp_stats_msg *srp = (const struct ofp_stats_msg *) oh;
1214 uint16_t flags = ntohs(srp->flags);
1216 ds_put_cstr(string, " flags=");
1217 if (flags & OFPSF_REPLY_MORE) {
1218 ds_put_cstr(string, "[more]");
1219 flags &= ~OFPSF_REPLY_MORE;
1222 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1229 ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
1231 size_t len = ntohs(oh->length);
1233 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
1234 if (verbosity > 1) {
1235 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
1240 ofp_print_nxt_role_message(struct ds *string,
1241 const struct nx_role_request *nrr)
1243 unsigned int role = ntohl(nrr->role);
1245 ds_put_cstr(string, " role=");
1246 if (role == NX_ROLE_OTHER) {
1247 ds_put_cstr(string, "other");
1248 } else if (role == NX_ROLE_MASTER) {
1249 ds_put_cstr(string, "master");
1250 } else if (role == NX_ROLE_SLAVE) {
1251 ds_put_cstr(string, "slave");
1253 ds_put_format(string, "%u", role);
1258 ofp_print_nxt_flow_mod_table_id(struct ds *string,
1259 const struct nxt_flow_mod_table_id *nfmti)
1261 ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
1265 ofp_print_nxt_set_flow_format(struct ds *string,
1266 const struct nxt_set_flow_format *nsff)
1268 uint32_t format = ntohl(nsff->format);
1270 ds_put_cstr(string, " format=");
1271 if (ofputil_flow_format_is_valid(format)) {
1272 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1274 ds_put_format(string, "%"PRIu32, format);
1279 ofp_to_string__(const struct ofp_header *oh,
1280 const struct ofputil_msg_type *type, struct ds *string,
1283 enum ofputil_msg_code code;
1284 const void *msg = oh;
1286 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1287 ofputil_msg_type_name(type), ntohl(oh->xid));
1289 code = ofputil_msg_type_code(type);
1291 case OFPUTIL_MSG_INVALID:
1294 case OFPUTIL_OFPT_HELLO:
1295 ds_put_char(string, '\n');
1296 ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
1300 case OFPUTIL_OFPT_ERROR:
1301 ofp_print_error_msg(string, msg);
1304 case OFPUTIL_OFPT_ECHO_REQUEST:
1305 case OFPUTIL_OFPT_ECHO_REPLY:
1306 ofp_print_echo(string, oh, verbosity);
1309 case OFPUTIL_OFPT_FEATURES_REQUEST:
1312 case OFPUTIL_OFPT_FEATURES_REPLY:
1313 ofp_print_switch_features(string, msg);
1316 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1319 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1320 case OFPUTIL_OFPT_SET_CONFIG:
1321 ofp_print_switch_config(string, msg);
1324 case OFPUTIL_OFPT_PACKET_IN:
1325 ofp_print_packet_in(string, msg, verbosity);
1328 case OFPUTIL_OFPT_FLOW_REMOVED:
1329 case OFPUTIL_NXT_FLOW_REMOVED:
1330 ofp_print_flow_removed(string, msg);
1333 case OFPUTIL_OFPT_PORT_STATUS:
1334 ofp_print_port_status(string, msg);
1337 case OFPUTIL_OFPT_PACKET_OUT:
1338 ofp_print_packet_out(string, msg, verbosity);
1341 case OFPUTIL_OFPT_FLOW_MOD:
1342 ofp_print_flow_mod(string, msg, code, verbosity);
1345 case OFPUTIL_OFPT_PORT_MOD:
1346 ofp_print_port_mod(string, msg);
1349 case OFPUTIL_OFPT_BARRIER_REQUEST:
1350 case OFPUTIL_OFPT_BARRIER_REPLY:
1353 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1354 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1358 case OFPUTIL_OFPST_DESC_REQUEST:
1359 ofp_print_stats_request(string, oh);
1362 case OFPUTIL_OFPST_FLOW_REQUEST:
1363 case OFPUTIL_NXST_FLOW_REQUEST:
1364 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
1365 case OFPUTIL_NXST_AGGREGATE_REQUEST:
1366 ofp_print_stats_request(string, oh);
1367 ofp_print_flow_stats_request(string, msg);
1370 case OFPUTIL_OFPST_TABLE_REQUEST:
1371 ofp_print_stats_request(string, oh);
1374 case OFPUTIL_OFPST_PORT_REQUEST:
1375 ofp_print_stats_request(string, oh);
1376 ofp_print_ofpst_port_request(string, msg);
1379 case OFPUTIL_OFPST_QUEUE_REQUEST:
1380 ofp_print_stats_request(string, oh);
1381 ofp_print_ofpst_queue_request(string, msg);
1384 case OFPUTIL_OFPST_DESC_REPLY:
1385 ofp_print_stats_reply(string, oh);
1386 ofp_print_ofpst_desc_reply(string, msg);
1389 case OFPUTIL_OFPST_FLOW_REPLY:
1390 case OFPUTIL_NXST_FLOW_REPLY:
1391 ofp_print_stats_reply(string, oh);
1392 ofp_print_flow_stats_reply(string, oh);
1395 case OFPUTIL_OFPST_QUEUE_REPLY:
1396 ofp_print_stats_reply(string, oh);
1397 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1400 case OFPUTIL_OFPST_PORT_REPLY:
1401 ofp_print_stats_reply(string, oh);
1402 ofp_print_ofpst_port_reply(string, oh, verbosity);
1405 case OFPUTIL_OFPST_TABLE_REPLY:
1406 ofp_print_stats_reply(string, oh);
1407 ofp_print_ofpst_table_reply(string, oh, verbosity);
1410 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1411 ofp_print_stats_reply(string, oh);
1412 ofp_print_ofpst_aggregate_reply(string, msg);
1415 case OFPUTIL_NXT_ROLE_REQUEST:
1416 case OFPUTIL_NXT_ROLE_REPLY:
1417 ofp_print_nxt_role_message(string, msg);
1420 case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
1421 ofp_print_nxt_flow_mod_table_id(string, msg);
1424 case OFPUTIL_NXT_SET_FLOW_FORMAT:
1425 ofp_print_nxt_set_flow_format(string, msg);
1428 case OFPUTIL_NXT_FLOW_MOD:
1429 ofp_print_flow_mod(string, msg, code, verbosity);
1432 case OFPUTIL_NXST_AGGREGATE_REPLY:
1433 ofp_print_stats_reply(string, oh);
1434 ofp_print_nxst_aggregate_reply(string, msg);
1439 /* Composes and returns a string representing the OpenFlow packet of 'len'
1440 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1441 * verbosity and higher numbers increase verbosity. The caller is responsible
1442 * for freeing the string. */
1444 ofp_to_string(const void *oh_, size_t len, int verbosity)
1446 struct ds string = DS_EMPTY_INITIALIZER;
1447 const struct ofp_header *oh = oh_;
1450 ds_put_cstr(&string, "OpenFlow message is empty\n");
1451 } else if (len < sizeof(struct ofp_header)) {
1452 ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
1454 } else if (oh->version != OFP_VERSION) {
1455 ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n",
1457 } else if (ntohs(oh->length) > len) {
1458 ds_put_format(&string,
1459 "(***truncated to %zu bytes from %"PRIu16"***)\n",
1460 len, ntohs(oh->length));
1461 } else if (ntohs(oh->length) < len) {
1462 ds_put_format(&string,
1463 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1464 ntohs(oh->length), len);
1466 const struct ofputil_msg_type *type;
1469 error = ofputil_decode_msg_type(oh, &type);
1471 ofp_to_string__(oh, type, &string, verbosity);
1472 if (verbosity >= 5) {
1473 if (ds_last(&string) != '\n') {
1474 ds_put_char(&string, '\n');
1476 ds_put_hex_dump(&string, oh, len, 0, true);
1478 if (ds_last(&string) != '\n') {
1479 ds_put_char(&string, '\n');
1481 return ds_steal_cstr(&string);
1484 ofp_print_error(&string, error);
1486 ds_put_hex_dump(&string, oh, len, 0, true);
1487 return ds_steal_cstr(&string);
1490 /* Returns the name for the specified OpenFlow message type as a string,
1491 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1492 * hex number, e.g. "0x55".
1494 * The caller must free the returned string when it is no longer needed. */
1496 ofp_message_type_to_string(uint8_t type)
1507 case OFPT_ECHO_REQUEST:
1508 name = "ECHO_REQUEST";
1510 case OFPT_ECHO_REPLY:
1511 name = "ECHO_REPLY";
1516 case OFPT_FEATURES_REQUEST:
1517 name = "FEATURES_REQUEST";
1519 case OFPT_FEATURES_REPLY:
1520 name = "FEATURES_REPLY";
1522 case OFPT_GET_CONFIG_REQUEST:
1523 name = "GET_CONFIG_REQUEST";
1525 case OFPT_GET_CONFIG_REPLY:
1526 name = "GET_CONFIG_REPLY";
1528 case OFPT_SET_CONFIG:
1529 name = "SET_CONFIG";
1531 case OFPT_PACKET_IN:
1534 case OFPT_FLOW_REMOVED:
1535 name = "FLOW_REMOVED";
1537 case OFPT_PORT_STATUS:
1538 name = "PORT_STATUS";
1540 case OFPT_PACKET_OUT:
1541 name = "PACKET_OUT";
1549 case OFPT_STATS_REQUEST:
1550 name = "STATS_REQUEST";
1552 case OFPT_STATS_REPLY:
1553 name = "STATS_REPLY";
1555 case OFPT_BARRIER_REQUEST:
1556 name = "BARRIER_REQUEST";
1558 case OFPT_BARRIER_REPLY:
1559 name = "BARRIER_REPLY";
1561 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1562 name = "QUEUE_GET_CONFIG_REQUEST";
1564 case OFPT_QUEUE_GET_CONFIG_REPLY:
1565 name = "QUEUE_GET_CONFIG_REPLY";
1572 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
1576 print_and_free(FILE *stream, char *string)
1578 fputs(string, stream);
1582 /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1583 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1584 * numbers increase verbosity. */
1586 ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1588 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1591 /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1592 * 'data' to 'stream' using tcpdump. 'total_len' specifies the full length of
1593 * the Ethernet frame (of which 'len' bytes were captured).
1595 * This starts and kills a tcpdump subprocess so it's quite expensive. */
1597 ofp_print_packet(FILE *stream, const void *data, size_t len)
1599 print_and_free(stream, ofp_packet_to_string(data, len));