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"
34 #include "multipath.h"
38 #include "openflow/openflow.h"
39 #include "openflow/nicira-ext.h"
42 #include "type-props.h"
43 #include "unaligned.h"
46 static void ofp_print_port_name(struct ds *string, uint16_t port);
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.
53 * 'total_len' specifies the full length of the Ethernet frame (of which 'len'
54 * bytes were captured).
56 * The caller must free the returned string.
58 * This starts and kills a tcpdump subprocess so it's quite expensive. */
60 ofp_packet_to_string(const void *data, size_t len, size_t total_len OVS_UNUSED)
62 struct ds ds = DS_EMPTY_INITIALIZER;
71 ofpbuf_use_const(&buf, data, len);
75 ovs_error(errno, "tmpfile");
76 return xstrdup("<error>");
78 pcap_write_header(pcap);
79 pcap_write(pcap, &buf);
82 ovs_error(errno, "error writing temporary file");
86 snprintf(command, sizeof command, "/usr/sbin/tcpdump -t -e -n -r /dev/fd/%d 2>/dev/null",
88 tcpdump = popen(command, "r");
91 ovs_error(errno, "exec(\"%s\")", command);
92 return xstrdup("<error>");
95 while ((c = getc(tcpdump)) != EOF) {
99 status = pclose(tcpdump);
100 if (WIFEXITED(status)) {
101 if (WEXITSTATUS(status))
102 ovs_error(0, "tcpdump exited with status %d", WEXITSTATUS(status));
103 } else if (WIFSIGNALED(status)) {
104 ovs_error(0, "tcpdump exited with signal %d", WTERMSIG(status));
110 ofp_print_packet_in(struct ds *string, const struct ofp_packet_in *op,
113 size_t len = ntohs(op->header.length);
116 ds_put_format(string, " total_len=%"PRIu16" in_port=",
117 ntohs(op->total_len));
118 ofp_print_port_name(string, ntohs(op->in_port));
120 if (op->reason == OFPR_ACTION)
121 ds_put_cstr(string, " (via action)");
122 else if (op->reason != OFPR_NO_MATCH)
123 ds_put_format(string, " (***reason %"PRIu8"***)", op->reason);
125 data_len = len - offsetof(struct ofp_packet_in, data);
126 ds_put_format(string, " data_len=%zu", data_len);
127 if (op->buffer_id == htonl(UINT32_MAX)) {
128 ds_put_format(string, " (unbuffered)");
129 if (ntohs(op->total_len) != data_len)
130 ds_put_format(string, " (***total_len != data_len***)");
132 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(op->buffer_id));
133 if (ntohs(op->total_len) < data_len)
134 ds_put_format(string, " (***total_len < data_len***)");
136 ds_put_char(string, '\n');
140 struct ofpbuf packet;
142 ofpbuf_use_const(&packet, op->data, data_len);
143 flow_extract(&packet, 0, ntohs(op->in_port), &flow);
144 flow_format(string, &flow);
145 ds_put_char(string, '\n');
148 char *packet = ofp_packet_to_string(op->data, data_len,
149 ntohs(op->total_len));
150 ds_put_cstr(string, packet);
155 static void ofp_print_port_name(struct ds *string, uint16_t port)
174 case OFPP_CONTROLLER:
184 ds_put_format(string, "%"PRIu16, port);
187 ds_put_cstr(string, name);
192 print_note(struct ds *string, const struct nx_action_note *nan)
197 ds_put_cstr(string, "note:");
198 len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
199 for (i = 0; i < len; i++) {
201 ds_put_char(string, '.');
203 ds_put_format(string, "%02"PRIx8, nan->note[i]);
208 ofp_print_action(struct ds *s, const union ofp_action *a,
209 enum ofputil_action_code code)
211 const struct ofp_action_enqueue *oae;
212 const struct ofp_action_dl_addr *oada;
213 const struct nx_action_set_tunnel64 *nast64;
214 const struct nx_action_set_tunnel *nast;
215 const struct nx_action_set_queue *nasq;
216 const struct nx_action_resubmit *nar;
217 const struct nx_action_reg_move *move;
218 const struct nx_action_reg_load *load;
219 const struct nx_action_multipath *nam;
220 const struct nx_action_autopath *naa;
224 case OFPUTIL_OFPAT_OUTPUT:
225 port = ntohs(a->output.port);
226 if (port < OFPP_MAX) {
227 ds_put_format(s, "output:%"PRIu16, port);
229 ofp_print_port_name(s, port);
230 if (port == OFPP_CONTROLLER) {
231 if (a->output.max_len != htons(0)) {
232 ds_put_format(s, ":%"PRIu16, ntohs(a->output.max_len));
234 ds_put_cstr(s, ":all");
240 case OFPUTIL_OFPAT_ENQUEUE:
241 oae = (const struct ofp_action_enqueue *) a;
242 ds_put_format(s, "enqueue:");
243 ofp_print_port_name(s, ntohs(oae->port));
244 ds_put_format(s, "q%"PRIu32, ntohl(oae->queue_id));
247 case OFPUTIL_OFPAT_SET_VLAN_VID:
248 ds_put_format(s, "mod_vlan_vid:%"PRIu16,
249 ntohs(a->vlan_vid.vlan_vid));
252 case OFPUTIL_OFPAT_SET_VLAN_PCP:
253 ds_put_format(s, "mod_vlan_pcp:%"PRIu8, a->vlan_pcp.vlan_pcp);
256 case OFPUTIL_OFPAT_STRIP_VLAN:
257 ds_put_cstr(s, "strip_vlan");
260 case OFPUTIL_OFPAT_SET_DL_SRC:
261 oada = (const struct ofp_action_dl_addr *) a;
262 ds_put_format(s, "mod_dl_src:"ETH_ADDR_FMT,
263 ETH_ADDR_ARGS(oada->dl_addr));
266 case OFPUTIL_OFPAT_SET_DL_DST:
267 oada = (const struct ofp_action_dl_addr *) a;
268 ds_put_format(s, "mod_dl_dst:"ETH_ADDR_FMT,
269 ETH_ADDR_ARGS(oada->dl_addr));
272 case OFPUTIL_OFPAT_SET_NW_SRC:
273 ds_put_format(s, "mod_nw_src:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
276 case OFPUTIL_OFPAT_SET_NW_DST:
277 ds_put_format(s, "mod_nw_dst:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
280 case OFPUTIL_OFPAT_SET_NW_TOS:
281 ds_put_format(s, "mod_nw_tos:%d", a->nw_tos.nw_tos);
284 case OFPUTIL_OFPAT_SET_TP_SRC:
285 ds_put_format(s, "mod_tp_src:%d", ntohs(a->tp_port.tp_port));
288 case OFPUTIL_OFPAT_SET_TP_DST:
289 ds_put_format(s, "mod_tp_dst:%d", ntohs(a->tp_port.tp_port));
292 case OFPUTIL_NXAST_RESUBMIT:
293 nar = (struct nx_action_resubmit *)a;
294 ds_put_format(s, "resubmit:");
295 ofp_print_port_name(s, ntohs(nar->in_port));
298 case OFPUTIL_NXAST_RESUBMIT_TABLE:
299 nar = (struct nx_action_resubmit *)a;
300 ds_put_format(s, "resubmit(");
301 if (nar->in_port != htons(OFPP_IN_PORT)) {
302 ofp_print_port_name(s, ntohs(nar->in_port));
305 if (nar->table != 255) {
306 ds_put_format(s, "%"PRIu8, nar->table);
311 case OFPUTIL_NXAST_SET_TUNNEL:
312 nast = (struct nx_action_set_tunnel *)a;
313 ds_put_format(s, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
316 case OFPUTIL_NXAST_SET_QUEUE:
317 nasq = (struct nx_action_set_queue *)a;
318 ds_put_format(s, "set_queue:%u", ntohl(nasq->queue_id));
321 case OFPUTIL_NXAST_POP_QUEUE:
322 ds_put_cstr(s, "pop_queue");
325 case OFPUTIL_NXAST_NOTE:
326 print_note(s, (const struct nx_action_note *) a);
329 case OFPUTIL_NXAST_REG_MOVE:
330 move = (const struct nx_action_reg_move *) a;
331 nxm_format_reg_move(move, s);
334 case OFPUTIL_NXAST_REG_LOAD:
335 load = (const struct nx_action_reg_load *) a;
336 nxm_format_reg_load(load, s);
339 case OFPUTIL_NXAST_SET_TUNNEL64:
340 nast64 = (const struct nx_action_set_tunnel64 *) a;
341 ds_put_format(s, "set_tunnel64:%#"PRIx64,
342 ntohll(nast64->tun_id));
345 case OFPUTIL_NXAST_MULTIPATH:
346 nam = (const struct nx_action_multipath *) a;
347 multipath_format(nam, s);
350 case OFPUTIL_NXAST_AUTOPATH:
351 naa = (const struct nx_action_autopath *)a;
352 ds_put_format(s, "autopath(%u,", ntohl(naa->id));
353 nxm_format_field_bits(s, ntohl(naa->dst),
354 nxm_decode_ofs(naa->ofs_nbits),
355 nxm_decode_n_bits(naa->ofs_nbits));
359 case OFPUTIL_NXAST_BUNDLE:
360 case OFPUTIL_NXAST_BUNDLE_LOAD:
361 bundle_format((const struct nx_action_bundle *) a, s);
370 ofp_print_actions(struct ds *string, const union ofp_action *actions,
373 const union ofp_action *a;
376 ds_put_cstr(string, "actions=");
378 ds_put_cstr(string, "drop");
381 OFPUTIL_ACTION_FOR_EACH (a, left, actions, n_actions) {
382 int code = ofputil_decode_action(a);
385 ds_put_cstr(string, ",");
387 ofp_print_action(string, a, code);
389 ofp_print_error(string, -code);
393 ds_put_format(string, " ***%zu leftover bytes following actions",
399 ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
402 size_t len = ntohs(opo->header.length);
403 size_t actions_len = ntohs(opo->actions_len);
405 ds_put_cstr(string, " in_port=");
406 ofp_print_port_name(string, ntohs(opo->in_port));
408 ds_put_format(string, " actions_len=%zu ", actions_len);
409 if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
410 ds_put_format(string, "***packet too short for action length***\n");
413 if (actions_len % sizeof(union ofp_action)) {
414 ds_put_format(string, "***action length not a multiple of %zu***\n",
415 sizeof(union ofp_action));
417 ofp_print_actions(string, (const union ofp_action *) opo->actions,
418 actions_len / sizeof(union ofp_action));
420 if (ntohl(opo->buffer_id) == UINT32_MAX) {
421 int data_len = len - sizeof *opo - actions_len;
422 ds_put_format(string, " data_len=%d", data_len);
423 if (verbosity > 0 && len > sizeof *opo) {
424 char *packet = ofp_packet_to_string(
425 (uint8_t *)opo->actions + actions_len, data_len, data_len);
426 ds_put_char(string, '\n');
427 ds_put_cstr(string, packet);
431 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
433 ds_put_char(string, '\n');
436 /* qsort comparison function. */
438 compare_ports(const void *a_, const void *b_)
440 const struct ofp_phy_port *a = a_;
441 const struct ofp_phy_port *b = b_;
442 uint16_t ap = ntohs(a->port_no);
443 uint16_t bp = ntohs(b->port_no);
445 return ap < bp ? -1 : ap > bp;
454 ofp_print_bit_names(struct ds *string, uint32_t bits,
455 const struct bit_name bit_names[])
460 ds_put_cstr(string, "0");
464 for (; bits && bit_names->name; bit_names++) {
465 if (bits & bit_names->bit) {
467 ds_put_char(string, ' ');
469 ds_put_cstr(string, bit_names->name);
470 bits &= ~bit_names->bit;
476 ds_put_char(string, ' ');
478 ds_put_format(string, "0x%"PRIx32, bits);
483 ofp_print_port_features(struct ds *string, uint32_t features)
485 static const struct bit_name feature_bits[] = {
486 { OFPPF_10MB_HD, "10MB-HD" },
487 { OFPPF_10MB_FD, "10MB-FD" },
488 { OFPPF_100MB_HD, "100MB-HD" },
489 { OFPPF_100MB_FD, "100MB-FD" },
490 { OFPPF_1GB_HD, "1GB-HD" },
491 { OFPPF_1GB_FD, "1GB-FD" },
492 { OFPPF_10GB_FD, "10GB-FD" },
493 { OFPPF_COPPER, "COPPER" },
494 { OFPPF_FIBER, "FIBER" },
495 { OFPPF_AUTONEG, "AUTO_NEG" },
496 { OFPPF_PAUSE, "AUTO_PAUSE" },
497 { OFPPF_PAUSE_ASYM, "AUTO_PAUSE_ASYM" },
501 ofp_print_bit_names(string, features, feature_bits);
502 ds_put_char(string, '\n');
506 ofp_print_port_config(struct ds *string, uint32_t config)
508 static const struct bit_name config_bits[] = {
509 { OFPPC_PORT_DOWN, "PORT_DOWN" },
510 { OFPPC_NO_STP, "NO_STP" },
511 { OFPPC_NO_RECV, "NO_RECV" },
512 { OFPPC_NO_RECV_STP, "NO_RECV_STP" },
513 { OFPPC_NO_FLOOD, "NO_FLOOD" },
514 { OFPPC_NO_FWD, "NO_FWD" },
515 { OFPPC_NO_PACKET_IN, "NO_PACKET_IN" },
519 ofp_print_bit_names(string, config, config_bits);
520 ds_put_char(string, '\n');
524 ofp_print_port_state(struct ds *string, uint32_t state)
526 static const struct bit_name state_bits[] = {
527 { OFPPS_LINK_DOWN, "LINK_DOWN" },
532 /* The STP state is a 2-bit field so it doesn't fit in with the bitmask
533 * pattern. We have to special case it.
535 * OVS doesn't support STP, so this field will always be 0 if we are
536 * talking to OVS, so we'd always print STP_LISTEN in that case.
537 * Therefore, we don't print anything at all if the value is STP_LISTEN, to
538 * avoid confusing users. */
539 stp_state = state & OFPPS_STP_MASK;
541 ds_put_cstr(string, (stp_state == OFPPS_STP_LEARN ? "STP_LEARN"
542 : stp_state == OFPPS_STP_FORWARD ? "STP_FORWARD"
544 state &= ~OFPPS_STP_MASK;
546 ofp_print_bit_names(string, state, state_bits);
549 ofp_print_bit_names(string, state, state_bits);
551 ds_put_char(string, '\n');
555 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
557 char name[OFP_MAX_PORT_NAME_LEN];
560 memcpy(name, port->name, sizeof name);
561 for (j = 0; j < sizeof name - 1; j++) {
562 if (!isprint((unsigned char) name[j])) {
568 ds_put_char(string, ' ');
569 ofp_print_port_name(string, ntohs(port->port_no));
570 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT"\n",
571 name, ETH_ADDR_ARGS(port->hw_addr));
573 ds_put_cstr(string, " config: ");
574 ofp_print_port_config(string, ntohl(port->config));
576 ds_put_cstr(string, " state: ");
577 ofp_print_port_state(string, ntohl(port->state));
580 ds_put_format(string, " current: ");
581 ofp_print_port_features(string, ntohl(port->curr));
583 if (port->advertised) {
584 ds_put_format(string, " advertised: ");
585 ofp_print_port_features(string, ntohl(port->advertised));
587 if (port->supported) {
588 ds_put_format(string, " supported: ");
589 ofp_print_port_features(string, ntohl(port->supported));
592 ds_put_format(string, " peer: ");
593 ofp_print_port_features(string, ntohl(port->peer));
598 ofp_print_switch_features(struct ds *string,
599 const struct ofp_switch_features *osf)
601 size_t len = ntohs(osf->header.length);
602 struct ofp_phy_port *port_list;
606 ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n",
607 osf->header.version, ntohll(osf->datapath_id));
608 ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
609 ntohl(osf->n_buffers));
610 ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
611 ntohl(osf->capabilities), ntohl(osf->actions));
613 n_ports = (len - sizeof *osf) / sizeof *osf->ports;
615 port_list = xmemdup(osf->ports, len - sizeof *osf);
616 qsort(port_list, n_ports, sizeof *port_list, compare_ports);
617 for (i = 0; i < n_ports; i++) {
618 ofp_print_phy_port(string, &port_list[i]);
624 ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
628 flags = ntohs(osc->flags);
630 ds_put_cstr(string, " frags=");
631 switch (flags & OFPC_FRAG_MASK) {
632 case OFPC_FRAG_NORMAL:
633 ds_put_cstr(string, "normal");
634 flags &= ~OFPC_FRAG_MASK;
637 ds_put_cstr(string, "drop");
638 flags &= ~OFPC_FRAG_MASK;
640 case OFPC_FRAG_REASM:
641 ds_put_cstr(string, "reassemble");
642 flags &= ~OFPC_FRAG_MASK;
646 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
649 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
652 static void print_wild(struct ds *string, const char *leader, int is_wild,
653 int verbosity, const char *format, ...)
654 __attribute__((format(printf, 5, 6)));
656 static void print_wild(struct ds *string, const char *leader, int is_wild,
657 int verbosity, const char *format, ...)
659 if (is_wild && verbosity < 2) {
662 ds_put_cstr(string, leader);
666 va_start(args, format);
667 ds_put_format_valist(string, format, args);
670 ds_put_char(string, '*');
672 ds_put_char(string, ',');
676 print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
677 uint32_t wild_bits, int verbosity)
679 if (wild_bits >= 32 && verbosity < 2) {
682 ds_put_cstr(string, leader);
683 if (wild_bits < 32) {
684 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
686 ds_put_format(string, "/%d", 32 - wild_bits);
689 ds_put_char(string, '*');
691 ds_put_char(string, ',');
695 ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
697 char *s = ofp_match_to_string(om, verbosity);
703 ofp_match_to_string(const struct ofp_match *om, int verbosity)
705 struct ds f = DS_EMPTY_INITIALIZER;
706 uint32_t w = ntohl(om->wildcards);
707 bool skip_type = false;
708 bool skip_proto = false;
710 if (!(w & OFPFW_DL_TYPE)) {
712 if (om->dl_type == htons(ETH_TYPE_IP)) {
713 if (!(w & OFPFW_NW_PROTO)) {
715 if (om->nw_proto == IPPROTO_ICMP) {
716 ds_put_cstr(&f, "icmp,");
717 } else if (om->nw_proto == IPPROTO_TCP) {
718 ds_put_cstr(&f, "tcp,");
719 } else if (om->nw_proto == IPPROTO_UDP) {
720 ds_put_cstr(&f, "udp,");
722 ds_put_cstr(&f, "ip,");
726 ds_put_cstr(&f, "ip,");
728 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
729 ds_put_cstr(&f, "arp,");
734 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
735 "%d", ntohs(om->in_port));
736 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
737 "%d", ntohs(om->dl_vlan));
738 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
739 "%d", om->dl_vlan_pcp);
740 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
741 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
742 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
743 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
745 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
746 "0x%04x", ntohs(om->dl_type));
748 print_ip_netmask(&f, "nw_src=", om->nw_src,
749 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
750 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
751 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
753 if (om->dl_type == htons(ETH_TYPE_ARP)) {
754 print_wild(&f, "arp_op=", w & OFPFW_NW_PROTO, verbosity,
757 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
761 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
763 if (om->nw_proto == IPPROTO_ICMP) {
764 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
765 "%d", ntohs(om->icmp_type));
766 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
767 "%d", ntohs(om->icmp_code));
769 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
770 "%d", ntohs(om->tp_src));
771 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
772 "%d", ntohs(om->tp_dst));
774 if (ds_last(&f) == ',') {
781 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
782 enum ofputil_msg_code code, int verbosity)
788 error = ofputil_decode_flow_mod(&fm, oh, true);
790 ofp_print_error(s, error);
795 switch (fm.command) {
797 ds_put_cstr(s, "ADD");
800 ds_put_cstr(s, "MOD");
802 case OFPFC_MODIFY_STRICT:
803 ds_put_cstr(s, "MOD_STRICT");
806 ds_put_cstr(s, "DEL");
808 case OFPFC_DELETE_STRICT:
809 ds_put_cstr(s, "DEL_STRICT");
812 ds_put_format(s, "cmd:%d", fm.command);
814 if (fm.table_id != 0) {
815 ds_put_format(s, " table:%d", fm.table_id);
819 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
820 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
821 ofp_print_match(s, &ofm->match, verbosity);
823 /* ofp_print_match() doesn't print priority. */
824 need_priority = true;
825 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
826 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
827 const void *nxm = nfm + 1;
830 nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
831 ds_put_cstr(s, nxm_s);
834 /* nx_match_to_string() doesn't print priority. */
835 need_priority = true;
837 cls_rule_format(&fm.cr, s);
839 /* cls_rule_format() does print priority. */
840 need_priority = false;
843 if (ds_last(s) != ' ') {
846 if (fm.cookie != htonll(0)) {
847 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
849 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
850 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
852 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
853 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
855 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
856 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
858 if (fm.buffer_id != UINT32_MAX) {
859 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
862 ds_put_format(s, "flags:0x%"PRIx16" ", fm.flags);
865 ofp_print_actions(s, fm.actions, fm.n_actions);
869 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
871 ds_put_format(string, "%u", sec);
873 ds_put_format(string, ".%09u", nsec);
874 while (string->string[string->length - 1] == '0') {
878 ds_put_char(string, 's');
882 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
884 struct ofputil_flow_removed fr;
887 error = ofputil_decode_flow_removed(&fr, oh);
889 ofp_print_error(string, error);
893 ds_put_char(string, ' ');
894 cls_rule_format(&fr.rule, string);
896 ds_put_cstr(string, " reason=");
898 case OFPRR_IDLE_TIMEOUT:
899 ds_put_cstr(string, "idle");
901 case OFPRR_HARD_TIMEOUT:
902 ds_put_cstr(string, "hard");
905 ds_put_cstr(string, "delete");
908 ds_put_format(string, "**%"PRIu8"**", fr.reason);
912 if (fr.cookie != htonll(0)) {
913 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
915 ds_put_cstr(string, " duration");
916 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
917 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
918 fr.idle_timeout, fr.packet_count, fr.byte_count);
922 ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
924 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
925 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
926 ntohl(opm->config), ntohl(opm->mask));
927 ds_put_format(string, " advertise: ");
928 if (opm->advertise) {
929 ofp_print_port_features(string, ntohl(opm->advertise));
931 ds_put_format(string, "UNCHANGED\n");
936 ofp_print_error(struct ds *string, int error)
938 if (string->length) {
939 ds_put_char(string, ' ');
941 ds_put_cstr(string, "***decode error: ");
942 ofputil_format_error(string, error);
943 ds_put_cstr(string, "***\n");
947 ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
949 size_t len = ntohs(oem->header.length);
950 size_t payload_ofs, payload_len;
955 error = ofputil_decode_error_msg(&oem->header, &payload_ofs);
956 if (!is_ofp_error(error)) {
957 ofp_print_error(string, error);
958 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
962 ds_put_char(string, ' ');
963 ofputil_format_error(string, error);
964 ds_put_char(string, '\n');
966 payload = (const uint8_t *) oem + payload_ofs;
967 payload_len = len - payload_ofs;
968 switch (get_ofp_err_type(error)) {
969 case OFPET_HELLO_FAILED:
970 ds_put_printable(string, payload, payload_len);
973 case OFPET_BAD_REQUEST:
974 s = ofp_to_string(payload, payload_len, 1);
975 ds_put_cstr(string, s);
980 ds_put_hex_dump(string, payload, payload_len, 0, true);
986 ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
988 if (ops->reason == OFPPR_ADD) {
989 ds_put_format(string, " ADD:");
990 } else if (ops->reason == OFPPR_DELETE) {
991 ds_put_format(string, " DEL:");
992 } else if (ops->reason == OFPPR_MODIFY) {
993 ds_put_format(string, " MOD:");
996 ofp_print_phy_port(string, &ops->desc);
1000 ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_desc_stats *ods)
1002 ds_put_char(string, '\n');
1003 ds_put_format(string, "Manufacturer: %.*s\n",
1004 (int) sizeof ods->mfr_desc, ods->mfr_desc);
1005 ds_put_format(string, "Hardware: %.*s\n",
1006 (int) sizeof ods->hw_desc, ods->hw_desc);
1007 ds_put_format(string, "Software: %.*s\n",
1008 (int) sizeof ods->sw_desc, ods->sw_desc);
1009 ds_put_format(string, "Serial Num: %.*s\n",
1010 (int) sizeof ods->serial_num, ods->serial_num);
1011 ds_put_format(string, "DP Description: %.*s\n",
1012 (int) sizeof ods->dp_desc, ods->dp_desc);
1016 ofp_print_flow_stats_request(struct ds *string,
1017 const struct ofp_stats_msg *osm)
1019 struct flow_stats_request fsr;
1022 error = ofputil_decode_flow_stats_request(&fsr, &osm->header);
1024 ofp_print_error(string, error);
1028 if (fsr.table_id != 0xff) {
1029 ds_put_format(string, " table=%"PRIu8, fsr.table_id);
1032 if (fsr.out_port != OFPP_NONE) {
1033 ds_put_cstr(string, " out_port=");
1034 ofp_print_port_name(string, fsr.out_port);
1037 /* A flow stats request doesn't include a priority, but cls_rule_format()
1038 * will print one unless it is OFP_DEFAULT_PRIORITY. */
1039 fsr.match.priority = OFP_DEFAULT_PRIORITY;
1041 ds_put_char(string, ' ');
1042 cls_rule_format(&fsr.match, string);
1046 ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
1050 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1052 struct ofputil_flow_stats fs;
1055 retval = ofputil_decode_flow_stats_reply(&fs, &b);
1057 if (retval != EOF) {
1058 ds_put_cstr(string, " ***parse error***");
1063 ds_put_char(string, '\n');
1065 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1067 ofp_print_duration(string, fs.duration_sec, fs.duration_nsec);
1068 ds_put_format(string, ", table=%"PRIu8", ", fs.table_id);
1069 ds_put_format(string, "n_packets=%"PRIu64", ", fs.packet_count);
1070 ds_put_format(string, "n_bytes=%"PRIu64", ", fs.byte_count);
1071 if (fs.idle_timeout != OFP_FLOW_PERMANENT) {
1072 ds_put_format(string, "idle_timeout=%"PRIu16",", fs.idle_timeout);
1074 if (fs.hard_timeout != OFP_FLOW_PERMANENT) {
1075 ds_put_format(string, "hard_timeout=%"PRIu16",", fs.hard_timeout);
1078 cls_rule_format(&fs.rule, string);
1079 ds_put_char(string, ' ');
1080 ofp_print_actions(string, fs.actions, fs.n_actions);
1085 ofp_print_ofpst_aggregate_reply(struct ds *string,
1086 const struct ofp_aggregate_stats_reply *asr)
1088 ds_put_format(string, " packet_count=%"PRIu64,
1089 ntohll(get_32aligned_be64(&asr->packet_count)));
1090 ds_put_format(string, " byte_count=%"PRIu64,
1091 ntohll(get_32aligned_be64(&asr->byte_count)));
1092 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1096 ofp_print_nxst_aggregate_reply(struct ds *string,
1097 const struct nx_aggregate_stats_reply *nasr)
1099 ds_put_format(string, " packet_count=%"PRIu64, ntohll(nasr->packet_count));
1100 ds_put_format(string, " byte_count=%"PRIu64, ntohll(nasr->byte_count));
1101 ds_put_format(string, " flow_count=%"PRIu32, ntohl(nasr->flow_count));
1104 static void print_port_stat(struct ds *string, const char *leader,
1105 const ovs_32aligned_be64 *statp, int more)
1107 uint64_t stat = ntohll(get_32aligned_be64(statp));
1109 ds_put_cstr(string, leader);
1110 if (stat != UINT64_MAX) {
1111 ds_put_format(string, "%"PRIu64, stat);
1113 ds_put_char(string, '?');
1116 ds_put_cstr(string, ", ");
1118 ds_put_cstr(string, "\n");
1123 ofp_print_ofpst_port_request(struct ds *string,
1124 const struct ofp_port_stats_request *psr)
1126 ds_put_format(string, " port_no=%"PRIu16, ntohs(psr->port_no));
1130 ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1133 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1134 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
1135 ds_put_format(string, " %zu ports\n", n);
1136 if (verbosity < 1) {
1141 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1143 ds_put_cstr(string, "rx ");
1144 print_port_stat(string, "pkts=", &ps->rx_packets, 1);
1145 print_port_stat(string, "bytes=", &ps->rx_bytes, 1);
1146 print_port_stat(string, "drop=", &ps->rx_dropped, 1);
1147 print_port_stat(string, "errs=", &ps->rx_errors, 1);
1148 print_port_stat(string, "frame=", &ps->rx_frame_err, 1);
1149 print_port_stat(string, "over=", &ps->rx_over_err, 1);
1150 print_port_stat(string, "crc=", &ps->rx_crc_err, 0);
1152 ds_put_cstr(string, " tx ");
1153 print_port_stat(string, "pkts=", &ps->tx_packets, 1);
1154 print_port_stat(string, "bytes=", &ps->tx_bytes, 1);
1155 print_port_stat(string, "drop=", &ps->tx_dropped, 1);
1156 print_port_stat(string, "errs=", &ps->tx_errors, 1);
1157 print_port_stat(string, "coll=", &ps->collisions, 0);
1162 ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1165 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1166 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
1167 ds_put_format(string, " %zu tables\n", n);
1168 if (verbosity < 1) {
1173 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1174 ovs_strlcpy(name, ts->name, sizeof name);
1176 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1177 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1178 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1179 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1180 ds_put_cstr(string, " ");
1181 ds_put_format(string, "lookup=%"PRIu64", ",
1182 ntohll(get_32aligned_be64(&ts->lookup_count)));
1183 ds_put_format(string, "matched=%"PRIu64"\n",
1184 ntohll(get_32aligned_be64(&ts->matched_count)));
1189 ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1191 if (queue_id == OFPQ_ALL) {
1192 ds_put_cstr(string, "ALL");
1194 ds_put_format(string, "%"PRIu32, queue_id);
1199 ofp_print_ofpst_queue_request(struct ds *string,
1200 const struct ofp_queue_stats_request *qsr)
1202 ds_put_cstr(string, "port=");
1203 ofp_print_port_name(string, ntohs(qsr->port_no));
1205 ds_put_cstr(string, " queue=");
1206 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1210 ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1213 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1214 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
1215 ds_put_format(string, " %zu queues\n", n);
1216 if (verbosity < 1) {
1221 ds_put_cstr(string, " port ");
1222 ofp_print_port_name(string, ntohs(qs->port_no));
1223 ds_put_cstr(string, " queue ");
1224 ofp_print_queue_name(string, ntohl(qs->queue_id));
1225 ds_put_cstr(string, ": ");
1227 print_port_stat(string, "bytes=", &qs->tx_bytes, 1);
1228 print_port_stat(string, "pkts=", &qs->tx_packets, 1);
1229 print_port_stat(string, "errors=", &qs->tx_errors, 0);
1234 ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
1236 const struct ofp_stats_msg *srq = (const struct ofp_stats_msg *) oh;
1239 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1245 ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
1247 const struct ofp_stats_msg *srp = (const struct ofp_stats_msg *) oh;
1250 uint16_t flags = ntohs(srp->flags);
1252 ds_put_cstr(string, " flags=");
1253 if (flags & OFPSF_REPLY_MORE) {
1254 ds_put_cstr(string, "[more]");
1255 flags &= ~OFPSF_REPLY_MORE;
1258 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1265 ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
1267 size_t len = ntohs(oh->length);
1269 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
1270 if (verbosity > 1) {
1271 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
1276 ofp_print_nxt_role_message(struct ds *string,
1277 const struct nx_role_request *nrr)
1279 unsigned int role = ntohl(nrr->role);
1281 ds_put_cstr(string, " role=");
1282 if (role == NX_ROLE_OTHER) {
1283 ds_put_cstr(string, "other");
1284 } else if (role == NX_ROLE_MASTER) {
1285 ds_put_cstr(string, "master");
1286 } else if (role == NX_ROLE_SLAVE) {
1287 ds_put_cstr(string, "slave");
1289 ds_put_format(string, "%u", role);
1294 ofp_print_nxt_flow_mod_table_id(struct ds *string,
1295 const struct nxt_flow_mod_table_id *nfmti)
1297 ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
1301 ofp_print_nxt_set_flow_format(struct ds *string,
1302 const struct nxt_set_flow_format *nsff)
1304 uint32_t format = ntohl(nsff->format);
1306 ds_put_cstr(string, " format=");
1307 if (ofputil_flow_format_is_valid(format)) {
1308 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1310 ds_put_format(string, "%"PRIu32, format);
1315 ofp_to_string__(const struct ofp_header *oh,
1316 const struct ofputil_msg_type *type, struct ds *string,
1319 enum ofputil_msg_code code;
1320 const void *msg = oh;
1322 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1323 ofputil_msg_type_name(type), ntohl(oh->xid));
1325 code = ofputil_msg_type_code(type);
1327 case OFPUTIL_MSG_INVALID:
1330 case OFPUTIL_OFPT_HELLO:
1331 ds_put_char(string, '\n');
1332 ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
1336 case OFPUTIL_OFPT_ERROR:
1337 ofp_print_error_msg(string, msg);
1340 case OFPUTIL_OFPT_ECHO_REQUEST:
1341 case OFPUTIL_OFPT_ECHO_REPLY:
1342 ofp_print_echo(string, oh, verbosity);
1345 case OFPUTIL_OFPT_FEATURES_REQUEST:
1348 case OFPUTIL_OFPT_FEATURES_REPLY:
1349 ofp_print_switch_features(string, msg);
1352 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1355 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1356 case OFPUTIL_OFPT_SET_CONFIG:
1357 ofp_print_switch_config(string, msg);
1360 case OFPUTIL_OFPT_PACKET_IN:
1361 ofp_print_packet_in(string, msg, verbosity);
1364 case OFPUTIL_OFPT_FLOW_REMOVED:
1365 case OFPUTIL_NXT_FLOW_REMOVED:
1366 ofp_print_flow_removed(string, msg);
1369 case OFPUTIL_OFPT_PORT_STATUS:
1370 ofp_print_port_status(string, msg);
1373 case OFPUTIL_OFPT_PACKET_OUT:
1374 ofp_print_packet_out(string, msg, verbosity);
1377 case OFPUTIL_OFPT_FLOW_MOD:
1378 ofp_print_flow_mod(string, msg, code, verbosity);
1381 case OFPUTIL_OFPT_PORT_MOD:
1382 ofp_print_port_mod(string, msg);
1385 case OFPUTIL_OFPT_BARRIER_REQUEST:
1386 case OFPUTIL_OFPT_BARRIER_REPLY:
1389 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1390 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1394 case OFPUTIL_OFPST_DESC_REQUEST:
1395 ofp_print_stats_request(string, oh);
1398 case OFPUTIL_OFPST_FLOW_REQUEST:
1399 case OFPUTIL_NXST_FLOW_REQUEST:
1400 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
1401 case OFPUTIL_NXST_AGGREGATE_REQUEST:
1402 ofp_print_stats_request(string, oh);
1403 ofp_print_flow_stats_request(string, msg);
1406 case OFPUTIL_OFPST_TABLE_REQUEST:
1407 ofp_print_stats_request(string, oh);
1410 case OFPUTIL_OFPST_PORT_REQUEST:
1411 ofp_print_stats_request(string, oh);
1412 ofp_print_ofpst_port_request(string, msg);
1415 case OFPUTIL_OFPST_QUEUE_REQUEST:
1416 ofp_print_stats_request(string, oh);
1417 ofp_print_ofpst_queue_request(string, msg);
1420 case OFPUTIL_OFPST_DESC_REPLY:
1421 ofp_print_stats_reply(string, oh);
1422 ofp_print_ofpst_desc_reply(string, msg);
1425 case OFPUTIL_OFPST_FLOW_REPLY:
1426 case OFPUTIL_NXST_FLOW_REPLY:
1427 ofp_print_stats_reply(string, oh);
1428 ofp_print_flow_stats_reply(string, oh);
1431 case OFPUTIL_OFPST_QUEUE_REPLY:
1432 ofp_print_stats_reply(string, oh);
1433 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1436 case OFPUTIL_OFPST_PORT_REPLY:
1437 ofp_print_stats_reply(string, oh);
1438 ofp_print_ofpst_port_reply(string, oh, verbosity);
1441 case OFPUTIL_OFPST_TABLE_REPLY:
1442 ofp_print_stats_reply(string, oh);
1443 ofp_print_ofpst_table_reply(string, oh, verbosity);
1446 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1447 ofp_print_stats_reply(string, oh);
1448 ofp_print_ofpst_aggregate_reply(string, msg);
1451 case OFPUTIL_NXT_ROLE_REQUEST:
1452 case OFPUTIL_NXT_ROLE_REPLY:
1453 ofp_print_nxt_role_message(string, msg);
1456 case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
1457 ofp_print_nxt_flow_mod_table_id(string, msg);
1460 case OFPUTIL_NXT_SET_FLOW_FORMAT:
1461 ofp_print_nxt_set_flow_format(string, msg);
1464 case OFPUTIL_NXT_FLOW_MOD:
1465 ofp_print_flow_mod(string, msg, code, verbosity);
1468 case OFPUTIL_NXST_AGGREGATE_REPLY:
1469 ofp_print_stats_reply(string, oh);
1470 ofp_print_nxst_aggregate_reply(string, msg);
1475 /* Composes and returns a string representing the OpenFlow packet of 'len'
1476 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1477 * verbosity and higher numbers increase verbosity. The caller is responsible
1478 * for freeing the string. */
1480 ofp_to_string(const void *oh_, size_t len, int verbosity)
1482 struct ds string = DS_EMPTY_INITIALIZER;
1483 const struct ofp_header *oh = oh_;
1486 ds_put_cstr(&string, "OpenFlow message is empty\n");
1487 } else if (len < sizeof(struct ofp_header)) {
1488 ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
1490 } else if (oh->version != OFP_VERSION) {
1491 ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n",
1493 } else if (ntohs(oh->length) > len) {
1494 ds_put_format(&string,
1495 "(***truncated to %zu bytes from %"PRIu16"***)\n",
1496 len, ntohs(oh->length));
1497 } else if (ntohs(oh->length) < len) {
1498 ds_put_format(&string,
1499 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1500 ntohs(oh->length), len);
1502 const struct ofputil_msg_type *type;
1505 error = ofputil_decode_msg_type(oh, &type);
1507 ofp_to_string__(oh, type, &string, verbosity);
1508 if (verbosity >= 5) {
1509 if (ds_last(&string) != '\n') {
1510 ds_put_char(&string, '\n');
1512 ds_put_hex_dump(&string, oh, len, 0, true);
1514 if (ds_last(&string) != '\n') {
1515 ds_put_char(&string, '\n');
1517 return ds_steal_cstr(&string);
1520 ofp_print_error(&string, error);
1522 ds_put_hex_dump(&string, oh, len, 0, true);
1523 return ds_steal_cstr(&string);
1526 /* Returns the name for the specified OpenFlow message type as a string,
1527 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1528 * hex number, e.g. "0x55".
1530 * The caller must free the returned string when it is no longer needed. */
1532 ofp_message_type_to_string(uint8_t type)
1543 case OFPT_ECHO_REQUEST:
1544 name = "ECHO_REQUEST";
1546 case OFPT_ECHO_REPLY:
1547 name = "ECHO_REPLY";
1552 case OFPT_FEATURES_REQUEST:
1553 name = "FEATURES_REQUEST";
1555 case OFPT_FEATURES_REPLY:
1556 name = "FEATURES_REPLY";
1558 case OFPT_GET_CONFIG_REQUEST:
1559 name = "GET_CONFIG_REQUEST";
1561 case OFPT_GET_CONFIG_REPLY:
1562 name = "GET_CONFIG_REPLY";
1564 case OFPT_SET_CONFIG:
1565 name = "SET_CONFIG";
1567 case OFPT_PACKET_IN:
1570 case OFPT_FLOW_REMOVED:
1571 name = "FLOW_REMOVED";
1573 case OFPT_PORT_STATUS:
1574 name = "PORT_STATUS";
1576 case OFPT_PACKET_OUT:
1577 name = "PACKET_OUT";
1585 case OFPT_STATS_REQUEST:
1586 name = "STATS_REQUEST";
1588 case OFPT_STATS_REPLY:
1589 name = "STATS_REPLY";
1591 case OFPT_BARRIER_REQUEST:
1592 name = "BARRIER_REQUEST";
1594 case OFPT_BARRIER_REPLY:
1595 name = "BARRIER_REPLY";
1597 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1598 name = "QUEUE_GET_CONFIG_REQUEST";
1600 case OFPT_QUEUE_GET_CONFIG_REPLY:
1601 name = "QUEUE_GET_CONFIG_REPLY";
1608 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
1612 print_and_free(FILE *stream, char *string)
1614 fputs(string, stream);
1618 /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1619 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1620 * numbers increase verbosity. */
1622 ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1624 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1627 /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1628 * 'data' to 'stream' using tcpdump. 'total_len' specifies the full length of
1629 * the Ethernet frame (of which 'len' bytes were captured).
1631 * This starts and kills a tcpdump subprocess so it's quite expensive. */
1633 ofp_print_packet(FILE *stream, const void *data, size_t len, size_t total_len)
1635 print_and_free(stream, ofp_packet_to_string(data, len, total_len));