2 * Copyright (c) 2008, 2009, 2010 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>
29 #include "byte-order.h"
31 #include "dynamic-string.h"
36 #include "openflow/openflow.h"
37 #include "openflow/nicira-ext.h"
40 #include "type-props.h"
43 static void ofp_print_port_name(struct ds *string, uint16_t port);
44 static void ofp_print_queue_name(struct ds *string, uint32_t port);
45 static void ofp_print_error(struct ds *, int error);
48 /* Returns a string that represents the contents of the Ethernet frame in the
49 * 'len' bytes starting at 'data' to 'stream' as output by tcpdump.
50 * 'total_len' specifies the full length of the Ethernet frame (of which 'len'
51 * bytes were captured).
53 * The caller must free the returned string.
55 * This starts and kills a tcpdump subprocess so it's quite expensive. */
57 ofp_packet_to_string(const void *data, size_t len, size_t total_len OVS_UNUSED)
59 struct ds ds = DS_EMPTY_INITIALIZER;
68 ofpbuf_use_const(&buf, data, len);
72 ovs_error(errno, "tmpfile");
73 return xstrdup("<error>");
75 pcap_write_header(pcap);
76 pcap_write(pcap, &buf);
79 ovs_error(errno, "error writing temporary file");
83 snprintf(command, sizeof command, "/usr/sbin/tcpdump -e -n -r /dev/fd/%d 2>/dev/null",
85 tcpdump = popen(command, "r");
88 ovs_error(errno, "exec(\"%s\")", command);
89 return xstrdup("<error>");
92 while ((c = getc(tcpdump)) != EOF) {
96 status = pclose(tcpdump);
97 if (WIFEXITED(status)) {
98 if (WEXITSTATUS(status))
99 ovs_error(0, "tcpdump exited with status %d", WEXITSTATUS(status));
100 } else if (WIFSIGNALED(status)) {
101 ovs_error(0, "tcpdump exited with signal %d", WTERMSIG(status));
107 ofp_print_packet_in(struct ds *string, const struct ofp_packet_in *op,
110 size_t len = ntohs(op->header.length);
113 ds_put_format(string, " total_len=%"PRIu16" in_port=",
114 ntohs(op->total_len));
115 ofp_print_port_name(string, ntohs(op->in_port));
117 if (op->reason == OFPR_ACTION)
118 ds_put_cstr(string, " (via action)");
119 else if (op->reason != OFPR_NO_MATCH)
120 ds_put_format(string, " (***reason %"PRIu8"***)", op->reason);
122 data_len = len - offsetof(struct ofp_packet_in, data);
123 ds_put_format(string, " data_len=%zu", data_len);
124 if (htonl(op->buffer_id) == UINT32_MAX) {
125 ds_put_format(string, " (unbuffered)");
126 if (ntohs(op->total_len) != data_len)
127 ds_put_format(string, " (***total_len != data_len***)");
129 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(op->buffer_id));
130 if (ntohs(op->total_len) < data_len)
131 ds_put_format(string, " (***total_len < data_len***)");
133 ds_put_char(string, '\n');
137 struct ofpbuf packet;
139 ofpbuf_use_const(&packet, op->data, data_len);
140 flow_extract(&packet, 0, ntohs(op->in_port), &flow);
141 flow_format(string, &flow);
142 ds_put_char(string, '\n');
145 char *packet = ofp_packet_to_string(op->data, data_len,
146 ntohs(op->total_len));
147 ds_put_cstr(string, packet);
152 static void ofp_print_port_name(struct ds *string, uint16_t port)
171 case OFPP_CONTROLLER:
181 ds_put_format(string, "%"PRIu16, port);
184 ds_put_cstr(string, name);
188 print_note(struct ds *string, const struct nx_action_note *nan)
193 ds_put_cstr(string, "note:");
194 len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
195 for (i = 0; i < len; i++) {
197 ds_put_char(string, '.');
199 ds_put_format(string, "%02"PRIx8, nan->note[i]);
204 ofp_print_nx_action(struct ds *string, const struct nx_action_header *nah)
206 uint16_t subtype = ntohs(nah->subtype);
208 if (subtype <= TYPE_MAXIMUM(enum nx_action_subtype)) {
209 const struct nx_action_set_tunnel *nast;
210 const struct nx_action_set_queue *nasq;
211 const struct nx_action_resubmit *nar;
213 switch ((enum nx_action_subtype) subtype) {
215 nar = (struct nx_action_resubmit *)nah;
216 ds_put_format(string, "resubmit:");
217 ofp_print_port_name(string, ntohs(nar->in_port));
220 case NXAST_SET_TUNNEL:
221 nast = (struct nx_action_set_tunnel *)nah;
222 ds_put_format(string, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
225 case NXAST_DROP_SPOOFED_ARP:
226 ds_put_cstr(string, "drop_spoofed_arp");
229 case NXAST_SET_QUEUE:
230 nasq = (struct nx_action_set_queue *)nah;
231 ds_put_format(string, "set_queue:%u", ntohl(nasq->queue_id));
234 case NXAST_POP_QUEUE:
235 ds_put_cstr(string, "pop_queue");
239 print_note(string, (const struct nx_action_note *) nah);
247 case NXAST_SNAT__OBSOLETE:
253 ds_put_format(string, "***unknown Nicira action:%"PRIu16"***", subtype);
257 ofp_action_len(enum ofp_action_type type)
260 case OFPAT_OUTPUT: return sizeof(struct ofp_action_output);
261 case OFPAT_SET_VLAN_VID: return sizeof(struct ofp_action_vlan_vid);
262 case OFPAT_SET_VLAN_PCP: return sizeof(struct ofp_action_vlan_pcp);
263 case OFPAT_STRIP_VLAN: return sizeof(struct ofp_action_header);
264 case OFPAT_SET_DL_SRC: return sizeof(struct ofp_action_dl_addr);
265 case OFPAT_SET_DL_DST: return sizeof(struct ofp_action_dl_addr);
266 case OFPAT_SET_NW_SRC: return sizeof(struct ofp_action_nw_addr);
267 case OFPAT_SET_NW_DST: return sizeof(struct ofp_action_nw_addr);
268 case OFPAT_SET_NW_TOS: return sizeof(struct ofp_action_nw_tos);
269 case OFPAT_SET_TP_SRC: return sizeof(struct ofp_action_tp_port);
270 case OFPAT_SET_TP_DST: return sizeof(struct ofp_action_tp_port);
271 case OFPAT_ENQUEUE: return sizeof(struct ofp_action_enqueue);
272 case OFPAT_VENDOR: return -1;
278 ofp_print_action(struct ds *string, const struct ofp_action_header *ah,
281 enum ofp_action_type type;
285 if (actions_len < sizeof *ah) {
286 ds_put_format(string, "***action array too short for next action***\n");
290 type = ntohs(ah->type);
291 len = ntohs(ah->len);
292 if (actions_len < len) {
293 ds_put_format(string, "***truncated action %d***\n", (int) type);
298 ds_put_format(string, "***zero-length action***\n");
302 if ((len % OFP_ACTION_ALIGN) != 0) {
303 ds_put_format(string,
304 "***action %d length not a multiple of %d***\n",
305 (int) type, OFP_ACTION_ALIGN);
309 required_len = ofp_action_len(type);
310 if (required_len >= 0 && len != required_len) {
311 ds_put_format(string,
312 "***action %d wrong length: %zu***\n", (int) type, len);
318 struct ofp_action_output *oa = (struct ofp_action_output *)ah;
319 uint16_t port = ntohs(oa->port);
320 if (port < OFPP_MAX) {
321 ds_put_format(string, "output:%"PRIu16, port);
323 ofp_print_port_name(string, port);
324 if (port == OFPP_CONTROLLER) {
326 ds_put_format(string, ":%"PRIu16, ntohs(oa->max_len));
328 ds_put_cstr(string, ":all");
335 case OFPAT_ENQUEUE: {
336 struct ofp_action_enqueue *ea = (struct ofp_action_enqueue *)ah;
337 unsigned int port = ntohs(ea->port);
338 unsigned int queue_id = ntohl(ea->queue_id);
339 ds_put_format(string, "enqueue:");
340 if (port != OFPP_IN_PORT) {
341 ds_put_format(string, "%u", port);
343 ds_put_cstr(string, "IN_PORT");
345 ds_put_format(string, "q%u", queue_id);
349 case OFPAT_SET_VLAN_VID: {
350 struct ofp_action_vlan_vid *va = (struct ofp_action_vlan_vid *)ah;
351 ds_put_format(string, "mod_vlan_vid:%"PRIu16, ntohs(va->vlan_vid));
355 case OFPAT_SET_VLAN_PCP: {
356 struct ofp_action_vlan_pcp *va = (struct ofp_action_vlan_pcp *)ah;
357 ds_put_format(string, "mod_vlan_pcp:%"PRIu8, va->vlan_pcp);
361 case OFPAT_STRIP_VLAN:
362 ds_put_cstr(string, "strip_vlan");
365 case OFPAT_SET_DL_SRC: {
366 struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah;
367 ds_put_format(string, "mod_dl_src:"ETH_ADDR_FMT,
368 ETH_ADDR_ARGS(da->dl_addr));
372 case OFPAT_SET_DL_DST: {
373 struct ofp_action_dl_addr *da = (struct ofp_action_dl_addr *)ah;
374 ds_put_format(string, "mod_dl_dst:"ETH_ADDR_FMT,
375 ETH_ADDR_ARGS(da->dl_addr));
379 case OFPAT_SET_NW_SRC: {
380 struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah;
381 ds_put_format(string, "mod_nw_src:"IP_FMT, IP_ARGS(&na->nw_addr));
385 case OFPAT_SET_NW_DST: {
386 struct ofp_action_nw_addr *na = (struct ofp_action_nw_addr *)ah;
387 ds_put_format(string, "mod_nw_dst:"IP_FMT, IP_ARGS(&na->nw_addr));
391 case OFPAT_SET_NW_TOS: {
392 struct ofp_action_nw_tos *nt = (struct ofp_action_nw_tos *)ah;
393 ds_put_format(string, "mod_nw_tos:%d", nt->nw_tos);
397 case OFPAT_SET_TP_SRC: {
398 struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah;
399 ds_put_format(string, "mod_tp_src:%d", ntohs(ta->tp_port));
403 case OFPAT_SET_TP_DST: {
404 struct ofp_action_tp_port *ta = (struct ofp_action_tp_port *)ah;
405 ds_put_format(string, "mod_tp_dst:%d", ntohs(ta->tp_port));
410 struct ofp_action_vendor_header *avh
411 = (struct ofp_action_vendor_header *)ah;
412 if (len < sizeof *avh) {
413 ds_put_format(string, "***ofpat_vendor truncated***\n");
416 if (avh->vendor == htonl(NX_VENDOR_ID)) {
417 ofp_print_nx_action(string, (struct nx_action_header *)avh);
419 ds_put_format(string, "vendor action:0x%x", ntohl(avh->vendor));
425 ds_put_format(string, "(decoder %d not implemented)", (int) type);
433 ofp_print_actions(struct ds *string, const struct ofp_action_header *action,
436 uint8_t *p = (uint8_t *)action;
439 ds_put_cstr(string, "actions=");
441 ds_put_cstr(string, "drop");
443 while (actions_len > 0) {
445 ds_put_cstr(string, ",");
447 len = ofp_print_action(string, (struct ofp_action_header *)p,
458 ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
461 size_t len = ntohs(opo->header.length);
462 size_t actions_len = ntohs(opo->actions_len);
464 ds_put_cstr(string, " in_port=");
465 ofp_print_port_name(string, ntohs(opo->in_port));
467 ds_put_format(string, " actions_len=%zu ", actions_len);
468 if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
469 ds_put_format(string, "***packet too short for action length***\n");
472 ofp_print_actions(string, opo->actions, actions_len);
474 if (ntohl(opo->buffer_id) == UINT32_MAX) {
475 int data_len = len - sizeof *opo - actions_len;
476 ds_put_format(string, " data_len=%d", data_len);
477 if (verbosity > 0 && len > sizeof *opo) {
478 char *packet = ofp_packet_to_string(
479 (uint8_t *)opo->actions + actions_len, data_len, data_len);
480 ds_put_char(string, '\n');
481 ds_put_cstr(string, packet);
485 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
487 ds_put_char(string, '\n');
490 /* qsort comparison function. */
492 compare_ports(const void *a_, const void *b_)
494 const struct ofp_phy_port *a = a_;
495 const struct ofp_phy_port *b = b_;
496 uint16_t ap = ntohs(a->port_no);
497 uint16_t bp = ntohs(b->port_no);
499 return ap < bp ? -1 : ap > bp;
502 static void ofp_print_port_features(struct ds *string, uint32_t features)
505 ds_put_cstr(string, "Unsupported\n");
508 if (features & OFPPF_10MB_HD) {
509 ds_put_cstr(string, "10MB-HD ");
511 if (features & OFPPF_10MB_FD) {
512 ds_put_cstr(string, "10MB-FD ");
514 if (features & OFPPF_100MB_HD) {
515 ds_put_cstr(string, "100MB-HD ");
517 if (features & OFPPF_100MB_FD) {
518 ds_put_cstr(string, "100MB-FD ");
520 if (features & OFPPF_1GB_HD) {
521 ds_put_cstr(string, "1GB-HD ");
523 if (features & OFPPF_1GB_FD) {
524 ds_put_cstr(string, "1GB-FD ");
526 if (features & OFPPF_10GB_FD) {
527 ds_put_cstr(string, "10GB-FD ");
529 if (features & OFPPF_COPPER) {
530 ds_put_cstr(string, "COPPER ");
532 if (features & OFPPF_FIBER) {
533 ds_put_cstr(string, "FIBER ");
535 if (features & OFPPF_AUTONEG) {
536 ds_put_cstr(string, "AUTO_NEG ");
538 if (features & OFPPF_PAUSE) {
539 ds_put_cstr(string, "AUTO_PAUSE ");
541 if (features & OFPPF_PAUSE_ASYM) {
542 ds_put_cstr(string, "AUTO_PAUSE_ASYM ");
544 ds_put_char(string, '\n');
548 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
550 char name[OFP_MAX_PORT_NAME_LEN];
553 memcpy(name, port->name, sizeof name);
554 for (j = 0; j < sizeof name - 1; j++) {
555 if (!isprint(name[j])) {
561 ds_put_char(string, ' ');
562 ofp_print_port_name(string, ntohs(port->port_no));
563 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT", config: %#x, state:%#x\n",
564 name, ETH_ADDR_ARGS(port->hw_addr), ntohl(port->config),
567 ds_put_format(string, " current: ");
568 ofp_print_port_features(string, ntohl(port->curr));
570 if (port->advertised) {
571 ds_put_format(string, " advertised: ");
572 ofp_print_port_features(string, ntohl(port->advertised));
574 if (port->supported) {
575 ds_put_format(string, " supported: ");
576 ofp_print_port_features(string, ntohl(port->supported));
579 ds_put_format(string, " peer: ");
580 ofp_print_port_features(string, ntohl(port->peer));
585 ofp_print_switch_features(struct ds *string,
586 const struct ofp_switch_features *osf)
588 size_t len = ntohs(osf->header.length);
589 struct ofp_phy_port *port_list;
593 ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n",
594 osf->header.version, ntohll(osf->datapath_id));
595 ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
596 ntohl(osf->n_buffers));
597 ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
598 ntohl(osf->capabilities), ntohl(osf->actions));
600 n_ports = (len - sizeof *osf) / sizeof *osf->ports;
602 port_list = xmemdup(osf->ports, len - sizeof *osf);
603 qsort(port_list, n_ports, sizeof *port_list, compare_ports);
604 for (i = 0; i < n_ports; i++) {
605 ofp_print_phy_port(string, &port_list[i]);
611 ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
615 flags = ntohs(osc->flags);
617 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
620 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
623 static void print_wild(struct ds *string, const char *leader, int is_wild,
624 int verbosity, const char *format, ...)
625 __attribute__((format(printf, 5, 6)));
627 static void print_wild(struct ds *string, const char *leader, int is_wild,
628 int verbosity, const char *format, ...)
630 if (is_wild && verbosity < 2) {
633 ds_put_cstr(string, leader);
637 va_start(args, format);
638 ds_put_format_valist(string, format, args);
641 ds_put_char(string, '*');
643 ds_put_char(string, ',');
647 print_ip_netmask(struct ds *string, const char *leader, uint32_t ip,
648 uint32_t wild_bits, int verbosity)
650 if (wild_bits >= 32 && verbosity < 2) {
653 ds_put_cstr(string, leader);
654 if (wild_bits < 32) {
655 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
657 ds_put_format(string, "/%d", 32 - wild_bits);
660 ds_put_char(string, '*');
662 ds_put_char(string, ',');
666 ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
668 char *s = ofp_match_to_string(om, verbosity);
674 ofp_match_to_string(const struct ofp_match *om, int verbosity)
676 struct ds f = DS_EMPTY_INITIALIZER;
677 uint32_t w = ntohl(om->wildcards);
678 bool skip_type = false;
679 bool skip_proto = false;
681 if (!(w & OFPFW_DL_TYPE)) {
683 if (om->dl_type == htons(ETH_TYPE_IP)) {
684 if (!(w & OFPFW_NW_PROTO)) {
686 if (om->nw_proto == IP_TYPE_ICMP) {
687 ds_put_cstr(&f, "icmp,");
688 } else if (om->nw_proto == IP_TYPE_TCP) {
689 ds_put_cstr(&f, "tcp,");
690 } else if (om->nw_proto == IP_TYPE_UDP) {
691 ds_put_cstr(&f, "udp,");
693 ds_put_cstr(&f, "ip,");
697 ds_put_cstr(&f, "ip,");
699 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
700 ds_put_cstr(&f, "arp,");
705 if (w & NXFW_TUN_ID) {
706 ds_put_cstr(&f, "tun_id_wild,");
708 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
709 "%d", ntohs(om->in_port));
710 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
711 "%d", ntohs(om->dl_vlan));
712 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
713 "%d", om->dl_vlan_pcp);
714 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
715 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
716 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
717 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
719 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
720 "0x%04x", ntohs(om->dl_type));
722 print_ip_netmask(&f, "nw_src=", om->nw_src,
723 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
724 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
725 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
727 if (om->dl_type == htons(ETH_TYPE_ARP)) {
728 print_wild(&f, "opcode=", w & OFPFW_NW_PROTO, verbosity,
731 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
735 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
737 if (om->nw_proto == IP_TYPE_ICMP) {
738 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
739 "%d", ntohs(om->icmp_type));
740 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
741 "%d", ntohs(om->icmp_code));
743 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
744 "%d", ntohs(om->tp_src));
745 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
746 "%d", ntohs(om->tp_dst));
748 if (ds_last(&f) == ',') {
755 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
756 enum ofputil_msg_code code, int verbosity)
761 error = ofputil_decode_flow_mod(&fm, oh, NXFF_OPENFLOW10);
763 ofp_print_error(s, error);
768 switch (fm.command) {
770 ds_put_cstr(s, "ADD");
773 ds_put_cstr(s, "MOD");
775 case OFPFC_MODIFY_STRICT:
776 ds_put_cstr(s, "MOD_STRICT");
779 ds_put_cstr(s, "DEL");
781 case OFPFC_DELETE_STRICT:
782 ds_put_cstr(s, "DEL_STRICT");
785 ds_put_format(s, "cmd:%d", fm.command);
789 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
790 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
792 ofp_print_match(s, &ofm->match, verbosity);
793 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
794 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
795 const void *nxm = nfm + 1;
796 char *nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
797 ds_put_cstr(s, nxm_s);
800 cls_rule_format(&fm.cr, s);
803 if (ds_last(s) != ' ') {
806 if (fm.cookie != htonll(0)) {
807 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
809 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
810 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
812 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
813 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
815 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && verbosity >= 3) {
816 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
818 if (fm.buffer_id != UINT32_MAX) {
819 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
822 ds_put_format(s, "flags:0x%"PRIx16" ", fm.flags);
825 ofp_print_actions(s, (const struct ofp_action_header *) fm.actions,
826 fm.n_actions * sizeof *fm.actions);
830 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
832 ds_put_format(string, "%u", sec);
834 ds_put_format(string, ".%09u", nsec);
835 while (string->string[string->length - 1] == '0') {
839 ds_put_char(string, 's');
843 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
845 struct ofputil_flow_removed fr;
848 error = ofputil_decode_flow_removed(&fr, oh, NXFF_OPENFLOW10);
850 ofp_print_error(string, error);
854 cls_rule_format(&fr.rule, string);
856 ds_put_cstr(string, " reason=");
858 case OFPRR_IDLE_TIMEOUT:
859 ds_put_cstr(string, "idle");
861 case OFPRR_HARD_TIMEOUT:
862 ds_put_cstr(string, "hard");
865 ds_put_cstr(string, "delete");
868 ds_put_format(string, "**%"PRIu8"**", fr.reason);
872 if (fr.cookie != htonll(0)) {
873 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
875 ds_put_cstr(string, " duration");
876 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
877 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
878 fr.idle_timeout, fr.packet_count, fr.byte_count);
882 ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
884 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
885 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
886 ntohl(opm->config), ntohl(opm->mask));
887 ds_put_format(string, " advertise: ");
888 if (opm->advertise) {
889 ofp_print_port_features(string, ntohl(opm->advertise));
891 ds_put_format(string, "UNCHANGED\n");
901 static const struct error_type error_types[] = {
902 #define ERROR_TYPE(TYPE) {TYPE, -1, #TYPE}
903 #define ERROR_CODE(TYPE, CODE) {TYPE, CODE, #CODE}
904 ERROR_TYPE(OFPET_HELLO_FAILED),
905 ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_INCOMPATIBLE),
906 ERROR_CODE(OFPET_HELLO_FAILED, OFPHFC_EPERM),
908 ERROR_TYPE(OFPET_BAD_REQUEST),
909 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VERSION),
910 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_TYPE),
911 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_STAT),
912 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_VENDOR),
913 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_SUBTYPE),
914 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_EPERM),
915 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN),
916 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_EMPTY),
917 ERROR_CODE(OFPET_BAD_REQUEST, OFPBRC_BUFFER_UNKNOWN),
918 /* Nicira error extensions. */
919 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_INVALID),
920 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_TYPE),
921 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_VALUE),
922 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_MASK),
923 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_BAD_PREREQ),
924 ERROR_CODE(OFPET_BAD_REQUEST, NXBRC_NXM_DUP_TYPE),
926 ERROR_TYPE(OFPET_BAD_ACTION),
927 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_TYPE),
928 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_LEN),
929 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR),
930 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_VENDOR_TYPE),
931 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_OUT_PORT),
932 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_BAD_ARGUMENT),
933 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_EPERM),
934 ERROR_CODE(OFPET_BAD_ACTION, OFPBAC_TOO_MANY),
936 ERROR_TYPE(OFPET_FLOW_MOD_FAILED),
937 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_ALL_TABLES_FULL),
938 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_OVERLAP),
939 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_EPERM),
940 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_EMERG_TIMEOUT),
941 ERROR_CODE(OFPET_FLOW_MOD_FAILED, OFPFMFC_BAD_COMMAND),
942 /* Nicira error extenstions. */
943 ERROR_CODE(OFPET_FLOW_MOD_FAILED, NXFMFC_HARDWARE),
944 ERROR_CODE(OFPET_FLOW_MOD_FAILED, NXFMFC_BAD_TABLE_ID),
946 ERROR_TYPE(OFPET_PORT_MOD_FAILED),
947 ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_PORT),
948 ERROR_CODE(OFPET_PORT_MOD_FAILED, OFPPMFC_BAD_HW_ADDR)
950 #define N_ERROR_TYPES ARRAY_SIZE(error_types)
953 lookup_error_type(int type)
955 const struct error_type *t;
957 for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) {
958 if (t->type == type && t->code == -1) {
966 lookup_error_code(int type, int code)
968 const struct error_type *t;
970 for (t = error_types; t < &error_types[N_ERROR_TYPES]; t++) {
971 if (t->type == type && t->code == code) {
979 ofp_print_error(struct ds *string, int error)
981 int type = get_ofp_err_type(error);
982 int code = get_ofp_err_code(error);
983 if (string->length) {
984 ds_put_char(string, ' ');
986 ds_put_format(string, " ***decode error type:%d(%s) code:%d(%s)***",
987 type, lookup_error_type(type),
988 code, lookup_error_code(type, code));
992 ofp_print_nx_error_msg(struct ds *string, const struct ofp_error_msg *oem)
994 size_t len = ntohs(oem->header.length);
995 const struct nx_vendor_error *nve = (struct nx_vendor_error *)oem->data;
996 int vendor = ntohl(nve->vendor);
997 int type = ntohs(nve->type);
998 int code = ntohs(nve->code);
1000 ds_put_format(string, " vendor:%x type:%d(%s) code:%d(%s) payload:\n",
1002 type, lookup_error_type(type),
1003 code, lookup_error_code(type, code));
1005 ds_put_hex_dump(string, nve + 1, len - sizeof *oem - sizeof *nve,
1010 ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
1012 size_t len = ntohs(oem->header.length);
1013 int type = ntohs(oem->type);
1014 int code = ntohs(oem->code);
1018 if (type == NXET_VENDOR && code == NXVC_VENDOR_ERROR) {
1019 if (len < sizeof *oem + sizeof(struct nx_vendor_error)) {
1020 ds_put_format(string,
1021 "(***truncated extended error message is %zu bytes "
1022 "when it should be at least %zu***)\n",
1023 len, sizeof(struct nx_vendor_error));
1027 return ofp_print_nx_error_msg(string, oem);
1030 ds_put_format(string, " type:%d(%s) code:%d(%s) payload:\n",
1031 type, lookup_error_type(type),
1032 code, lookup_error_code(type, code));
1035 case OFPET_HELLO_FAILED:
1036 ds_put_printable(string, (char *) oem->data, len - sizeof *oem);
1039 case OFPET_BAD_REQUEST:
1040 s = ofp_to_string(oem->data, len - sizeof *oem, 1);
1041 ds_put_cstr(string, s);
1046 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
1052 ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
1054 if (ops->reason == OFPPR_ADD) {
1055 ds_put_format(string, " ADD:");
1056 } else if (ops->reason == OFPPR_DELETE) {
1057 ds_put_format(string, " DEL:");
1058 } else if (ops->reason == OFPPR_MODIFY) {
1059 ds_put_format(string, " MOD:");
1062 ofp_print_phy_port(string, &ops->desc);
1066 ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_header *oh)
1068 const struct ofp_desc_stats *ods = ofputil_stats_body(oh);
1070 ds_put_format(string, "Manufacturer: %.*s\n",
1071 (int) sizeof ods->mfr_desc, ods->mfr_desc);
1072 ds_put_format(string, "Hardware: %.*s\n",
1073 (int) sizeof ods->hw_desc, ods->hw_desc);
1074 ds_put_format(string, "Software: %.*s\n",
1075 (int) sizeof ods->sw_desc, ods->sw_desc);
1076 ds_put_format(string, "Serial Num: %.*s\n",
1077 (int) sizeof ods->serial_num, ods->serial_num);
1078 ds_put_format(string, "DP Description: %.*s\n",
1079 (int) sizeof ods->dp_desc, ods->dp_desc);
1083 ofp_print_flow_stats_request(struct ds *string, const struct ofp_header *oh)
1085 struct flow_stats_request fsr;
1088 error = ofputil_decode_flow_stats_request(&fsr, oh, NXFF_OPENFLOW10);
1090 ofp_print_error(string, error);
1094 if (fsr.table_id != 0xff) {
1095 ds_put_format(string, " table_id=%"PRIu8, fsr.table_id);
1098 if (fsr.out_port != OFPP_NONE) {
1099 ds_put_cstr(string, " out_port=");
1100 ofp_print_port_name(string, fsr.out_port);
1103 ds_put_char(string, ' ');
1104 cls_rule_format(&fsr.match, string);
1108 ofp_print_ofpst_flow_reply(struct ds *string, const struct ofp_header *oh,
1111 size_t len = ofputil_stats_body_len(oh);
1112 const char *body = ofputil_stats_body(oh);
1113 const char *pos = body;
1115 const struct ofp_flow_stats *fs;
1116 ptrdiff_t bytes_left = body + len - pos;
1119 ds_put_char(string, '\n');
1121 if (bytes_left < sizeof *fs) {
1122 if (bytes_left != 0) {
1123 ds_put_format(string, " ***%td leftover bytes at end***",
1129 fs = (const void *) pos;
1130 length = ntohs(fs->length);
1131 if (length < sizeof *fs) {
1132 ds_put_format(string, " ***length=%zu shorter than minimum %zu***",
1133 length, sizeof *fs);
1135 } else if (length > bytes_left) {
1136 ds_put_format(string,
1137 " ***length=%zu but only %td bytes left***",
1138 length, bytes_left);
1140 } else if ((length - sizeof *fs) % sizeof fs->actions[0]) {
1141 ds_put_format(string,
1142 " ***length=%zu has %zu bytes leftover in "
1145 (length - sizeof *fs) % sizeof fs->actions[0]);
1149 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1150 ntohll(fs->cookie));
1151 ofp_print_duration(string, ntohl(fs->duration_sec),
1152 ntohl(fs->duration_nsec));
1153 ds_put_format(string, ", table_id=%"PRIu8", ", fs->table_id);
1154 ds_put_format(string, "priority=%"PRIu16", ", ntohs(fs->priority));
1155 ds_put_format(string, "n_packets=%"PRIu64", ",
1156 ntohll(fs->packet_count));
1157 ds_put_format(string, "n_bytes=%"PRIu64", ", ntohll(fs->byte_count));
1158 if (fs->idle_timeout != htons(OFP_FLOW_PERMANENT)) {
1159 ds_put_format(string, "idle_timeout=%"PRIu16",",
1160 ntohs(fs->idle_timeout));
1162 if (fs->hard_timeout != htons(OFP_FLOW_PERMANENT)) {
1163 ds_put_format(string, "hard_timeout=%"PRIu16",",
1164 ntohs(fs->hard_timeout));
1166 ofp_print_match(string, &fs->match, verbosity);
1167 ds_put_char(string, ' ');
1168 ofp_print_actions(string, fs->actions, length - sizeof *fs);
1175 ofp_print_nxst_flow_reply(struct ds *string, const struct ofp_header *oh)
1179 ofpbuf_use_const(&b, ofputil_nxstats_body(oh),
1180 ofputil_nxstats_body_len(oh));
1181 while (b.size > 0) {
1182 const struct nx_flow_stats *fs;
1183 union ofp_action *actions;
1184 struct cls_rule rule;
1185 size_t actions_len, n_actions;
1190 fs = ofpbuf_try_pull(&b, sizeof *fs);
1192 ds_put_format(string, " ***%td leftover bytes at end***", b.size);
1196 length = ntohs(fs->length);
1197 if (length < sizeof *fs) {
1198 ds_put_format(string, " ***nx_flow_stats claims length %zu***",
1203 match_len = ntohs(fs->match_len);
1204 if (match_len > length - sizeof *fs) {
1205 ds_put_format(string, " ***length=%zu match_len=%d***",
1210 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1211 ntohll(fs->cookie));
1212 ofp_print_duration(string, ntohl(fs->duration_sec),
1213 ntohl(fs->duration_nsec));
1214 ds_put_format(string, ", table_id=%"PRIu8", ", fs->table_id);
1215 ds_put_format(string, "priority=%"PRIu16", ", ntohs(fs->priority));
1216 ds_put_format(string, "n_packets=%"PRIu64", ",
1217 ntohll(fs->packet_count));
1218 ds_put_format(string, "n_bytes=%"PRIu64", ", ntohll(fs->byte_count));
1219 if (fs->idle_timeout != htons(OFP_FLOW_PERMANENT)) {
1220 ds_put_format(string, "idle_timeout=%"PRIu16",",
1221 ntohs(fs->idle_timeout));
1223 if (fs->hard_timeout != htons(OFP_FLOW_PERMANENT)) {
1224 ds_put_format(string, "hard_timeout=%"PRIu16",",
1225 ntohs(fs->hard_timeout));
1228 error = nx_pull_match(&b, match_len, ntohs(fs->priority), &rule);
1230 ofp_print_error(string, error);
1234 actions_len = length - sizeof *fs - ROUND_UP(match_len, 8);
1235 error = ofputil_pull_actions(&b, actions_len, &actions, &n_actions);
1237 ofp_print_error(string, error);
1241 cls_rule_format(&rule, string);
1242 ds_put_char(string, ' ');
1243 ofp_print_actions(string, (const struct ofp_action_header *) actions,
1244 n_actions * sizeof *actions);
1245 ds_put_char(string, '\n');
1250 ofp_print_ofp_aggregate_stats_reply (
1251 struct ds *string, const struct ofp_aggregate_stats_reply *asr)
1253 ds_put_format(string, " packet_count=%"PRIu64, ntohll(asr->packet_count));
1254 ds_put_format(string, " byte_count=%"PRIu64, ntohll(asr->byte_count));
1255 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1259 ofp_print_ofpst_aggregate_reply(struct ds *string, const struct ofp_header *oh)
1261 ofp_print_ofp_aggregate_stats_reply(string, ofputil_stats_body(oh));
1265 ofp_print_nxst_aggregate_reply(struct ds *string,
1266 const struct nx_aggregate_stats_reply *nasr)
1268 ofp_print_ofp_aggregate_stats_reply(string, &nasr->asr);
1271 static void print_port_stat(struct ds *string, const char *leader,
1272 uint64_t stat, int more)
1274 ds_put_cstr(string, leader);
1276 ds_put_format(string, "%"PRIu64, stat);
1278 ds_put_char(string, '?');
1281 ds_put_cstr(string, ", ");
1283 ds_put_cstr(string, "\n");
1288 ofp_print_ofpst_port_request(struct ds *string, const struct ofp_header *oh)
1290 const struct ofp_port_stats_request *psr = ofputil_stats_body(oh);
1291 ds_put_format(string, "port_no=%"PRIu16, ntohs(psr->port_no));
1295 ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1298 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1299 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
1300 ds_put_format(string, " %zu ports\n", n);
1301 if (verbosity < 1) {
1306 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1308 ds_put_cstr(string, "rx ");
1309 print_port_stat(string, "pkts=", ntohll(ps->rx_packets), 1);
1310 print_port_stat(string, "bytes=", ntohll(ps->rx_bytes), 1);
1311 print_port_stat(string, "drop=", ntohll(ps->rx_dropped), 1);
1312 print_port_stat(string, "errs=", ntohll(ps->rx_errors), 1);
1313 print_port_stat(string, "frame=", ntohll(ps->rx_frame_err), 1);
1314 print_port_stat(string, "over=", ntohll(ps->rx_over_err), 1);
1315 print_port_stat(string, "crc=", ntohll(ps->rx_crc_err), 0);
1317 ds_put_cstr(string, " tx ");
1318 print_port_stat(string, "pkts=", ntohll(ps->tx_packets), 1);
1319 print_port_stat(string, "bytes=", ntohll(ps->tx_bytes), 1);
1320 print_port_stat(string, "drop=", ntohll(ps->tx_dropped), 1);
1321 print_port_stat(string, "errs=", ntohll(ps->tx_errors), 1);
1322 print_port_stat(string, "coll=", ntohll(ps->collisions), 0);
1327 ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1330 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1331 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
1332 ds_put_format(string, " %zu tables\n", n);
1333 if (verbosity < 1) {
1338 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1339 strncpy(name, ts->name, sizeof name);
1340 name[OFP_MAX_TABLE_NAME_LEN] = '\0';
1342 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1343 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1344 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1345 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1346 ds_put_cstr(string, " ");
1347 ds_put_format(string, "lookup=%"PRIu64", ",
1348 ntohll(ts->lookup_count));
1349 ds_put_format(string, "matched=%"PRIu64"\n",
1350 ntohll(ts->matched_count));
1355 ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1357 if (queue_id == OFPQ_ALL) {
1358 ds_put_cstr(string, "ALL");
1360 ds_put_format(string, "%"PRIu32, queue_id);
1365 ofp_print_ofpst_queue_request(struct ds *string, const struct ofp_header *oh)
1367 const struct ofp_queue_stats_request *qsr = ofputil_stats_body(oh);
1369 ds_put_cstr(string, "port=");
1370 ofp_print_port_name(string, ntohs(qsr->port_no));
1372 ds_put_cstr(string, " queue=");
1373 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1377 ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1380 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1381 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
1382 ds_put_format(string, " %zu queues\n", n);
1383 if (verbosity < 1) {
1388 ds_put_cstr(string, " port ");
1389 ofp_print_port_name(string, ntohs(qs->port_no));
1390 ds_put_cstr(string, " queue ");
1391 ofp_print_queue_name(string, ntohl(qs->queue_id));
1392 ds_put_cstr(string, ": ");
1394 print_port_stat(string, "bytes=", ntohll(qs->tx_bytes), 1);
1395 print_port_stat(string, "pkts=", ntohll(qs->tx_packets), 1);
1396 print_port_stat(string, "errors=", ntohll(qs->tx_errors), 0);
1401 ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
1403 const struct ofp_stats_request *srq
1404 = (const struct ofp_stats_request *) oh;
1407 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1413 ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
1415 const struct ofp_stats_reply *srp = (const struct ofp_stats_reply *) oh;
1418 uint16_t flags = ntohs(srp->flags);
1420 ds_put_cstr(string, " flags=");
1421 if (flags & OFPSF_REPLY_MORE) {
1422 ds_put_cstr(string, "[more]");
1423 flags &= ~OFPSF_REPLY_MORE;
1426 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1433 ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
1435 size_t len = ntohs(oh->length);
1437 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
1438 if (verbosity > 1) {
1439 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
1444 ofp_print_nxt_status_message(struct ds *string, const struct ofp_header *oh)
1448 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1449 ofpbuf_pull(&b, sizeof *oh);
1450 ds_put_char(string, '"');
1451 ds_put_printable(string, b.data, b.size);
1452 ds_put_char(string, '"');
1456 ofp_print_nxt_tun_id_from_cookie(struct ds *string,
1457 const struct nxt_tun_id_cookie *ntic)
1459 ds_put_format(string, " set=%"PRIu8, ntic->set);
1463 ofp_print_nxt_role_message(struct ds *string,
1464 const struct nx_role_request *nrr)
1466 unsigned int role = ntohl(nrr->role);
1468 ds_put_cstr(string, " role=");
1469 if (role == NX_ROLE_OTHER) {
1470 ds_put_cstr(string, "other");
1471 } else if (role == NX_ROLE_MASTER) {
1472 ds_put_cstr(string, "master");
1473 } else if (role == NX_ROLE_SLAVE) {
1474 ds_put_cstr(string, "slave");
1476 ds_put_format(string, "%u", role);
1481 ofp_print_nxt_set_flow_format(struct ds *string,
1482 const struct nxt_set_flow_format *nsff)
1484 uint32_t format = ntohl(nsff->format);
1486 ds_put_cstr(string, " format=");
1487 if (ofputil_flow_format_is_valid(format)) {
1488 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1490 ds_put_format(string, "%"PRIu32, format);
1495 ofp_to_string__(const struct ofp_header *oh,
1496 const struct ofputil_msg_type *type, struct ds *string,
1499 enum ofputil_msg_code code;
1500 const void *msg = oh;
1502 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1503 ofputil_msg_type_name(type), ntohl(oh->xid));
1505 code = ofputil_msg_type_code(type);
1507 case OFPUTIL_INVALID:
1510 case OFPUTIL_OFPT_HELLO:
1513 case OFPUTIL_OFPT_ERROR:
1514 ofp_print_error_msg(string, msg);
1517 case OFPUTIL_OFPT_ECHO_REQUEST:
1518 case OFPUTIL_OFPT_ECHO_REPLY:
1519 ofp_print_echo(string, oh, verbosity);
1522 case OFPUTIL_OFPT_FEATURES_REQUEST:
1525 case OFPUTIL_OFPT_FEATURES_REPLY:
1526 ofp_print_switch_features(string, msg);
1529 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1532 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1533 case OFPUTIL_OFPT_SET_CONFIG:
1534 ofp_print_switch_config(string, msg);
1537 case OFPUTIL_OFPT_PACKET_IN:
1538 ofp_print_packet_in(string, msg, verbosity);
1541 case OFPUTIL_OFPT_FLOW_REMOVED:
1542 case OFPUTIL_NXT_FLOW_REMOVED:
1543 ofp_print_flow_removed(string, msg);
1546 case OFPUTIL_OFPT_PORT_STATUS:
1547 ofp_print_port_status(string, msg);
1550 case OFPUTIL_OFPT_PACKET_OUT:
1551 ofp_print_packet_out(string, msg, verbosity);
1554 case OFPUTIL_OFPT_FLOW_MOD:
1555 ofp_print_flow_mod(string, msg, code, verbosity);
1558 case OFPUTIL_OFPT_PORT_MOD:
1559 ofp_print_port_mod(string, msg);
1562 case OFPUTIL_OFPT_BARRIER_REQUEST:
1563 case OFPUTIL_OFPT_BARRIER_REPLY:
1566 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1567 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1571 case OFPUTIL_OFPST_DESC_REQUEST:
1572 ofp_print_stats_request(string, oh);
1575 case OFPUTIL_OFPST_FLOW_REQUEST:
1576 case OFPUTIL_NXST_FLOW_REQUEST:
1577 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
1578 case OFPUTIL_NXST_AGGREGATE_REQUEST:
1579 ofp_print_stats_request(string, oh);
1580 ofp_print_flow_stats_request(string, oh);
1583 case OFPUTIL_OFPST_TABLE_REQUEST:
1584 ofp_print_stats_request(string, oh);
1587 case OFPUTIL_OFPST_PORT_REQUEST:
1588 ofp_print_stats_request(string, oh);
1589 ofp_print_ofpst_port_request(string, oh);
1592 case OFPUTIL_OFPST_QUEUE_REQUEST:
1593 ofp_print_stats_request(string, oh);
1594 ofp_print_ofpst_queue_request(string, oh);
1597 case OFPUTIL_OFPST_DESC_REPLY:
1598 ofp_print_stats_reply(string, oh);
1599 ofp_print_ofpst_desc_reply(string, oh);
1602 case OFPUTIL_OFPST_FLOW_REPLY:
1603 ofp_print_stats_reply(string, oh);
1604 ofp_print_ofpst_flow_reply(string, oh, verbosity);
1607 case OFPUTIL_OFPST_QUEUE_REPLY:
1608 ofp_print_stats_reply(string, oh);
1609 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1612 case OFPUTIL_OFPST_PORT_REPLY:
1613 ofp_print_stats_reply(string, oh);
1614 ofp_print_ofpst_port_reply(string, oh, verbosity);
1617 case OFPUTIL_OFPST_TABLE_REPLY:
1618 ofp_print_stats_reply(string, oh);
1619 ofp_print_ofpst_table_reply(string, oh, verbosity);
1622 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1623 ofp_print_stats_reply(string, oh);
1624 ofp_print_ofpst_aggregate_reply(string, oh);
1627 case OFPUTIL_NXT_STATUS_REQUEST:
1628 case OFPUTIL_NXT_STATUS_REPLY:
1629 ofp_print_nxt_status_message(string, oh);
1632 case OFPUTIL_NXT_TUN_ID_FROM_COOKIE:
1633 ofp_print_nxt_tun_id_from_cookie(string, msg);
1636 case OFPUTIL_NXT_ROLE_REQUEST:
1637 case OFPUTIL_NXT_ROLE_REPLY:
1638 ofp_print_nxt_role_message(string, msg);
1641 case OFPUTIL_NXT_SET_FLOW_FORMAT:
1642 ofp_print_nxt_set_flow_format(string, msg);
1645 case OFPUTIL_NXT_FLOW_MOD:
1646 ofp_print_flow_mod(string, msg, code, verbosity);
1649 case OFPUTIL_NXST_FLOW_REPLY:
1650 ofp_print_nxst_flow_reply(string, oh);
1653 case OFPUTIL_NXST_AGGREGATE_REPLY:
1654 ofp_print_stats_reply(string, oh);
1655 ofp_print_nxst_aggregate_reply(string, msg);
1660 /* Composes and returns a string representing the OpenFlow packet of 'len'
1661 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1662 * verbosity and higher numbers increase verbosity. The caller is responsible
1663 * for freeing the string. */
1665 ofp_to_string(const void *oh_, size_t len, int verbosity)
1667 struct ds string = DS_EMPTY_INITIALIZER;
1668 const struct ofp_header *oh = oh_;
1670 if (len < sizeof(struct ofp_header)) {
1671 ds_put_cstr(&string, "OpenFlow packet too short:\n");
1672 } else if (oh->version != OFP_VERSION) {
1673 ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n",
1675 } else if (ntohs(oh->length) > len) {
1676 ds_put_format(&string,
1677 "(***truncated to %zu bytes from %"PRIu16"***)",
1678 len, ntohs(oh->length));
1679 } else if (ntohs(oh->length) < len) {
1680 ds_put_format(&string,
1681 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1682 ntohs(oh->length), len);
1684 const struct ofputil_msg_type *type;
1687 error = ofputil_decode_msg_type(oh, &type);
1689 ofp_to_string__(oh, type, &string, verbosity);
1690 if (verbosity >= 5) {
1691 if (ds_last(&string) != '\n') {
1692 ds_put_char(&string, '\n');
1694 ds_put_hex_dump(&string, oh, len, 0, true);
1696 if (ds_last(&string) != '\n') {
1697 ds_put_char(&string, '\n');
1699 return ds_steal_cstr(&string);
1702 ofp_print_error(&string, error);
1704 ds_put_hex_dump(&string, oh, len, 0, true);
1705 return ds_steal_cstr(&string);
1708 /* Returns the name for the specified OpenFlow message type as a string,
1709 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1710 * hex number, e.g. "0x55".
1712 * The caller must free the returned string when it is no longer needed. */
1714 ofp_message_type_to_string(uint8_t type)
1725 case OFPT_ECHO_REQUEST:
1726 name = "ECHO_REQUEST";
1728 case OFPT_ECHO_REPLY:
1729 name = "ECHO_REPLY";
1734 case OFPT_FEATURES_REQUEST:
1735 name = "FEATURES_REQUEST";
1737 case OFPT_FEATURES_REPLY:
1738 name = "FEATURES_REPLY";
1740 case OFPT_GET_CONFIG_REQUEST:
1741 name = "GET_CONFIG_REQUEST";
1743 case OFPT_GET_CONFIG_REPLY:
1744 name = "GET_CONFIG_REPLY";
1746 case OFPT_SET_CONFIG:
1747 name = "SET_CONFIG";
1749 case OFPT_PACKET_IN:
1752 case OFPT_FLOW_REMOVED:
1753 name = "FLOW_REMOVED";
1755 case OFPT_PORT_STATUS:
1756 name = "PORT_STATUS";
1758 case OFPT_PACKET_OUT:
1759 name = "PACKET_OUT";
1767 case OFPT_STATS_REQUEST:
1768 name = "STATS_REQUEST";
1770 case OFPT_STATS_REPLY:
1771 name = "STATS_REPLY";
1773 case OFPT_BARRIER_REQUEST:
1774 name = "BARRIER_REQUEST";
1776 case OFPT_BARRIER_REPLY:
1777 name = "BARRIER_REPLY";
1779 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1780 name = "QUEUE_GET_CONFIG_REQUEST";
1782 case OFPT_QUEUE_GET_CONFIG_REPLY:
1783 name = "QUEUE_GET_CONFIG_REPLY";
1790 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
1794 print_and_free(FILE *stream, char *string)
1796 fputs(string, stream);
1800 /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1801 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1802 * numbers increase verbosity. */
1804 ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1806 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1809 /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1810 * 'data' to 'stream' using tcpdump. 'total_len' specifies the full length of
1811 * the Ethernet frame (of which 'len' bytes were captured).
1813 * This starts and kills a tcpdump subprocess so it's quite expensive. */
1815 ofp_print_packet(FILE *stream, const void *data, size_t len, size_t total_len)
1817 print_and_free(stream, ofp_packet_to_string(data, len, total_len));