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_SET_TUNNEL:
299 nast = (struct nx_action_set_tunnel *)a;
300 ds_put_format(s, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
303 case OFPUTIL_NXAST_SET_QUEUE:
304 nasq = (struct nx_action_set_queue *)a;
305 ds_put_format(s, "set_queue:%u", ntohl(nasq->queue_id));
308 case OFPUTIL_NXAST_POP_QUEUE:
309 ds_put_cstr(s, "pop_queue");
312 case OFPUTIL_NXAST_NOTE:
313 print_note(s, (const struct nx_action_note *) a);
316 case OFPUTIL_NXAST_REG_MOVE:
317 move = (const struct nx_action_reg_move *) a;
318 nxm_format_reg_move(move, s);
321 case OFPUTIL_NXAST_REG_LOAD:
322 load = (const struct nx_action_reg_load *) a;
323 nxm_format_reg_load(load, s);
326 case OFPUTIL_NXAST_SET_TUNNEL64:
327 nast64 = (const struct nx_action_set_tunnel64 *) a;
328 ds_put_format(s, "set_tunnel64:%#"PRIx64,
329 ntohll(nast64->tun_id));
332 case OFPUTIL_NXAST_MULTIPATH:
333 nam = (const struct nx_action_multipath *) a;
334 multipath_format(nam, s);
337 case OFPUTIL_NXAST_AUTOPATH:
338 naa = (const struct nx_action_autopath *)a;
339 ds_put_format(s, "autopath(%u,", ntohl(naa->id));
340 nxm_format_field_bits(s, ntohl(naa->dst),
341 nxm_decode_ofs(naa->ofs_nbits),
342 nxm_decode_n_bits(naa->ofs_nbits));
346 case OFPUTIL_NXAST_BUNDLE:
347 case OFPUTIL_NXAST_BUNDLE_LOAD:
348 bundle_format((const struct nx_action_bundle *) a, s);
357 ofp_print_actions(struct ds *string, const union ofp_action *actions,
360 const union ofp_action *a;
363 ds_put_cstr(string, "actions=");
365 ds_put_cstr(string, "drop");
368 OFPUTIL_ACTION_FOR_EACH (a, left, actions, n_actions) {
369 int code = ofputil_decode_action(a);
372 ds_put_cstr(string, ",");
374 ofp_print_action(string, a, code);
376 ofp_print_error(string, -code);
380 ds_put_format(string, " ***%zu leftover bytes following actions",
386 ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
389 size_t len = ntohs(opo->header.length);
390 size_t actions_len = ntohs(opo->actions_len);
392 ds_put_cstr(string, " in_port=");
393 ofp_print_port_name(string, ntohs(opo->in_port));
395 ds_put_format(string, " actions_len=%zu ", actions_len);
396 if (actions_len > (ntohs(opo->header.length) - sizeof *opo)) {
397 ds_put_format(string, "***packet too short for action length***\n");
400 if (actions_len % sizeof(union ofp_action)) {
401 ds_put_format(string, "***action length not a multiple of %zu***\n",
402 sizeof(union ofp_action));
404 ofp_print_actions(string, (const union ofp_action *) opo->actions,
405 actions_len / sizeof(union ofp_action));
407 if (ntohl(opo->buffer_id) == UINT32_MAX) {
408 int data_len = len - sizeof *opo - actions_len;
409 ds_put_format(string, " data_len=%d", data_len);
410 if (verbosity > 0 && len > sizeof *opo) {
411 char *packet = ofp_packet_to_string(
412 (uint8_t *)opo->actions + actions_len, data_len, data_len);
413 ds_put_char(string, '\n');
414 ds_put_cstr(string, packet);
418 ds_put_format(string, " buffer=0x%08"PRIx32, ntohl(opo->buffer_id));
420 ds_put_char(string, '\n');
423 /* qsort comparison function. */
425 compare_ports(const void *a_, const void *b_)
427 const struct ofp_phy_port *a = a_;
428 const struct ofp_phy_port *b = b_;
429 uint16_t ap = ntohs(a->port_no);
430 uint16_t bp = ntohs(b->port_no);
432 return ap < bp ? -1 : ap > bp;
441 ofp_print_bit_names(struct ds *string, uint32_t bits,
442 const struct bit_name bit_names[])
447 ds_put_cstr(string, "0");
451 for (; bits && bit_names->name; bit_names++) {
452 if (bits & bit_names->bit) {
454 ds_put_char(string, ' ');
456 ds_put_cstr(string, bit_names->name);
457 bits &= ~bit_names->bit;
463 ds_put_char(string, ' ');
465 ds_put_format(string, "0x%"PRIx32, bits);
470 ofp_print_port_features(struct ds *string, uint32_t features)
472 static const struct bit_name feature_bits[] = {
473 { OFPPF_10MB_HD, "10MB-HD" },
474 { OFPPF_10MB_FD, "10MB-FD" },
475 { OFPPF_100MB_HD, "100MB-HD" },
476 { OFPPF_100MB_FD, "100MB-FD" },
477 { OFPPF_1GB_HD, "1GB-HD" },
478 { OFPPF_1GB_FD, "1GB-FD" },
479 { OFPPF_10GB_FD, "10GB-FD" },
480 { OFPPF_COPPER, "COPPER" },
481 { OFPPF_FIBER, "FIBER" },
482 { OFPPF_AUTONEG, "AUTO_NEG" },
483 { OFPPF_PAUSE, "AUTO_PAUSE" },
484 { OFPPF_PAUSE_ASYM, "AUTO_PAUSE_ASYM" },
488 ofp_print_bit_names(string, features, feature_bits);
489 ds_put_char(string, '\n');
493 ofp_print_port_config(struct ds *string, uint32_t config)
495 static const struct bit_name config_bits[] = {
496 { OFPPC_PORT_DOWN, "PORT_DOWN" },
497 { OFPPC_NO_STP, "NO_STP" },
498 { OFPPC_NO_RECV, "NO_RECV" },
499 { OFPPC_NO_RECV_STP, "NO_RECV_STP" },
500 { OFPPC_NO_FLOOD, "NO_FLOOD" },
501 { OFPPC_NO_FWD, "NO_FWD" },
502 { OFPPC_NO_PACKET_IN, "NO_PACKET_IN" },
506 ofp_print_bit_names(string, config, config_bits);
507 ds_put_char(string, '\n');
511 ofp_print_port_state(struct ds *string, uint32_t state)
513 static const struct bit_name state_bits[] = {
514 { OFPPS_LINK_DOWN, "LINK_DOWN" },
519 /* The STP state is a 2-bit field so it doesn't fit in with the bitmask
520 * pattern. We have to special case it.
522 * OVS doesn't support STP, so this field will always be 0 if we are
523 * talking to OVS, so we'd always print STP_LISTEN in that case.
524 * Therefore, we don't print anything at all if the value is STP_LISTEN, to
525 * avoid confusing users. */
526 stp_state = state & OFPPS_STP_MASK;
528 ds_put_cstr(string, (stp_state == OFPPS_STP_LEARN ? "STP_LEARN"
529 : stp_state == OFPPS_STP_FORWARD ? "STP_FORWARD"
531 state &= ~OFPPS_STP_MASK;
533 ofp_print_bit_names(string, state, state_bits);
536 ofp_print_bit_names(string, state, state_bits);
538 ds_put_char(string, '\n');
542 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
544 char name[OFP_MAX_PORT_NAME_LEN];
547 memcpy(name, port->name, sizeof name);
548 for (j = 0; j < sizeof name - 1; j++) {
549 if (!isprint((unsigned char) name[j])) {
555 ds_put_char(string, ' ');
556 ofp_print_port_name(string, ntohs(port->port_no));
557 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT"\n",
558 name, ETH_ADDR_ARGS(port->hw_addr));
560 ds_put_cstr(string, " config: ");
561 ofp_print_port_config(string, ntohl(port->config));
563 ds_put_cstr(string, " state: ");
564 ofp_print_port_state(string, ntohl(port->state));
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_cstr(string, " frags=");
618 switch (flags & OFPC_FRAG_MASK) {
619 case OFPC_FRAG_NORMAL:
620 ds_put_cstr(string, "normal");
621 flags &= ~OFPC_FRAG_MASK;
624 ds_put_cstr(string, "drop");
625 flags &= ~OFPC_FRAG_MASK;
627 case OFPC_FRAG_REASM:
628 ds_put_cstr(string, "reassemble");
629 flags &= ~OFPC_FRAG_MASK;
633 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
636 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
639 static void print_wild(struct ds *string, const char *leader, int is_wild,
640 int verbosity, const char *format, ...)
641 __attribute__((format(printf, 5, 6)));
643 static void print_wild(struct ds *string, const char *leader, int is_wild,
644 int verbosity, const char *format, ...)
646 if (is_wild && verbosity < 2) {
649 ds_put_cstr(string, leader);
653 va_start(args, format);
654 ds_put_format_valist(string, format, args);
657 ds_put_char(string, '*');
659 ds_put_char(string, ',');
663 print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
664 uint32_t wild_bits, int verbosity)
666 if (wild_bits >= 32 && verbosity < 2) {
669 ds_put_cstr(string, leader);
670 if (wild_bits < 32) {
671 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
673 ds_put_format(string, "/%d", 32 - wild_bits);
676 ds_put_char(string, '*');
678 ds_put_char(string, ',');
682 ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
684 char *s = ofp_match_to_string(om, verbosity);
690 ofp_match_to_string(const struct ofp_match *om, int verbosity)
692 struct ds f = DS_EMPTY_INITIALIZER;
693 uint32_t w = ntohl(om->wildcards);
694 bool skip_type = false;
695 bool skip_proto = false;
697 if (!(w & OFPFW_DL_TYPE)) {
699 if (om->dl_type == htons(ETH_TYPE_IP)) {
700 if (!(w & OFPFW_NW_PROTO)) {
702 if (om->nw_proto == IPPROTO_ICMP) {
703 ds_put_cstr(&f, "icmp,");
704 } else if (om->nw_proto == IPPROTO_TCP) {
705 ds_put_cstr(&f, "tcp,");
706 } else if (om->nw_proto == IPPROTO_UDP) {
707 ds_put_cstr(&f, "udp,");
709 ds_put_cstr(&f, "ip,");
713 ds_put_cstr(&f, "ip,");
715 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
716 ds_put_cstr(&f, "arp,");
721 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
722 "%d", ntohs(om->in_port));
723 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
724 "%d", ntohs(om->dl_vlan));
725 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
726 "%d", om->dl_vlan_pcp);
727 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
728 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
729 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
730 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
732 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
733 "0x%04x", ntohs(om->dl_type));
735 print_ip_netmask(&f, "nw_src=", om->nw_src,
736 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
737 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
738 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
740 if (om->dl_type == htons(ETH_TYPE_ARP)) {
741 print_wild(&f, "arp_op=", w & OFPFW_NW_PROTO, verbosity,
744 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
748 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
750 if (om->nw_proto == IPPROTO_ICMP) {
751 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
752 "%d", ntohs(om->icmp_type));
753 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
754 "%d", ntohs(om->icmp_code));
756 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
757 "%d", ntohs(om->tp_src));
758 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
759 "%d", ntohs(om->tp_dst));
761 if (ds_last(&f) == ',') {
768 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
769 enum ofputil_msg_code code, int verbosity)
775 error = ofputil_decode_flow_mod(&fm, oh, true);
777 ofp_print_error(s, error);
782 switch (fm.command) {
784 ds_put_cstr(s, "ADD");
787 ds_put_cstr(s, "MOD");
789 case OFPFC_MODIFY_STRICT:
790 ds_put_cstr(s, "MOD_STRICT");
793 ds_put_cstr(s, "DEL");
795 case OFPFC_DELETE_STRICT:
796 ds_put_cstr(s, "DEL_STRICT");
799 ds_put_format(s, "cmd:%d", fm.command);
801 if (fm.table_id != 0) {
802 ds_put_format(s, " table:%d", fm.table_id);
806 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
807 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
808 ofp_print_match(s, &ofm->match, verbosity);
810 /* ofp_print_match() doesn't print priority. */
811 need_priority = true;
812 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
813 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
814 const void *nxm = nfm + 1;
817 nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
818 ds_put_cstr(s, nxm_s);
821 /* nx_match_to_string() doesn't print priority. */
822 need_priority = true;
824 cls_rule_format(&fm.cr, s);
826 /* cls_rule_format() does print priority. */
827 need_priority = false;
830 if (ds_last(s) != ' ') {
833 if (fm.cookie != htonll(0)) {
834 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
836 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
837 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
839 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
840 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
842 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
843 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
845 if (fm.buffer_id != UINT32_MAX) {
846 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
849 ds_put_format(s, "flags:0x%"PRIx16" ", fm.flags);
852 ofp_print_actions(s, fm.actions, fm.n_actions);
856 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
858 ds_put_format(string, "%u", sec);
860 ds_put_format(string, ".%09u", nsec);
861 while (string->string[string->length - 1] == '0') {
865 ds_put_char(string, 's');
869 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
871 struct ofputil_flow_removed fr;
874 error = ofputil_decode_flow_removed(&fr, oh);
876 ofp_print_error(string, error);
880 ds_put_char(string, ' ');
881 cls_rule_format(&fr.rule, string);
883 ds_put_cstr(string, " reason=");
885 case OFPRR_IDLE_TIMEOUT:
886 ds_put_cstr(string, "idle");
888 case OFPRR_HARD_TIMEOUT:
889 ds_put_cstr(string, "hard");
892 ds_put_cstr(string, "delete");
895 ds_put_format(string, "**%"PRIu8"**", fr.reason);
899 if (fr.cookie != htonll(0)) {
900 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
902 ds_put_cstr(string, " duration");
903 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
904 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
905 fr.idle_timeout, fr.packet_count, fr.byte_count);
909 ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
911 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
912 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
913 ntohl(opm->config), ntohl(opm->mask));
914 ds_put_format(string, " advertise: ");
915 if (opm->advertise) {
916 ofp_print_port_features(string, ntohl(opm->advertise));
918 ds_put_format(string, "UNCHANGED\n");
923 ofp_print_error(struct ds *string, int error)
925 if (string->length) {
926 ds_put_char(string, ' ');
928 ds_put_cstr(string, "***decode error: ");
929 ofputil_format_error(string, error);
930 ds_put_cstr(string, "***\n");
934 ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
936 size_t len = ntohs(oem->header.length);
937 size_t payload_ofs, payload_len;
942 error = ofputil_decode_error_msg(&oem->header, &payload_ofs);
943 if (!is_ofp_error(error)) {
944 ofp_print_error(string, error);
945 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
949 ds_put_char(string, ' ');
950 ofputil_format_error(string, error);
951 ds_put_char(string, '\n');
953 payload = (const uint8_t *) oem + payload_ofs;
954 payload_len = len - payload_ofs;
955 switch (get_ofp_err_type(error)) {
956 case OFPET_HELLO_FAILED:
957 ds_put_printable(string, payload, payload_len);
960 case OFPET_BAD_REQUEST:
961 s = ofp_to_string(payload, payload_len, 1);
962 ds_put_cstr(string, s);
967 ds_put_hex_dump(string, payload, payload_len, 0, true);
973 ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
975 if (ops->reason == OFPPR_ADD) {
976 ds_put_format(string, " ADD:");
977 } else if (ops->reason == OFPPR_DELETE) {
978 ds_put_format(string, " DEL:");
979 } else if (ops->reason == OFPPR_MODIFY) {
980 ds_put_format(string, " MOD:");
983 ofp_print_phy_port(string, &ops->desc);
987 ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_desc_stats *ods)
989 ds_put_char(string, '\n');
990 ds_put_format(string, "Manufacturer: %.*s\n",
991 (int) sizeof ods->mfr_desc, ods->mfr_desc);
992 ds_put_format(string, "Hardware: %.*s\n",
993 (int) sizeof ods->hw_desc, ods->hw_desc);
994 ds_put_format(string, "Software: %.*s\n",
995 (int) sizeof ods->sw_desc, ods->sw_desc);
996 ds_put_format(string, "Serial Num: %.*s\n",
997 (int) sizeof ods->serial_num, ods->serial_num);
998 ds_put_format(string, "DP Description: %.*s\n",
999 (int) sizeof ods->dp_desc, ods->dp_desc);
1003 ofp_print_flow_stats_request(struct ds *string,
1004 const struct ofp_stats_msg *osm)
1006 struct flow_stats_request fsr;
1009 error = ofputil_decode_flow_stats_request(&fsr, &osm->header);
1011 ofp_print_error(string, error);
1015 if (fsr.table_id != 0xff) {
1016 ds_put_format(string, " table=%"PRIu8, fsr.table_id);
1019 if (fsr.out_port != OFPP_NONE) {
1020 ds_put_cstr(string, " out_port=");
1021 ofp_print_port_name(string, fsr.out_port);
1024 /* A flow stats request doesn't include a priority, but cls_rule_format()
1025 * will print one unless it is OFP_DEFAULT_PRIORITY. */
1026 fsr.match.priority = OFP_DEFAULT_PRIORITY;
1028 ds_put_char(string, ' ');
1029 cls_rule_format(&fsr.match, string);
1033 ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
1037 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1039 struct ofputil_flow_stats fs;
1042 retval = ofputil_decode_flow_stats_reply(&fs, &b);
1044 if (retval != EOF) {
1045 ds_put_cstr(string, " ***parse error***");
1050 ds_put_char(string, '\n');
1052 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1054 ofp_print_duration(string, fs.duration_sec, fs.duration_nsec);
1055 ds_put_format(string, ", table=%"PRIu8", ", fs.table_id);
1056 ds_put_format(string, "n_packets=%"PRIu64", ", fs.packet_count);
1057 ds_put_format(string, "n_bytes=%"PRIu64", ", fs.byte_count);
1058 if (fs.idle_timeout != OFP_FLOW_PERMANENT) {
1059 ds_put_format(string, "idle_timeout=%"PRIu16",", fs.idle_timeout);
1061 if (fs.hard_timeout != OFP_FLOW_PERMANENT) {
1062 ds_put_format(string, "hard_timeout=%"PRIu16",", fs.hard_timeout);
1065 cls_rule_format(&fs.rule, string);
1066 ds_put_char(string, ' ');
1067 ofp_print_actions(string, fs.actions, fs.n_actions);
1072 ofp_print_ofpst_aggregate_reply(struct ds *string,
1073 const struct ofp_aggregate_stats_reply *asr)
1075 ds_put_format(string, " packet_count=%"PRIu64,
1076 ntohll(get_32aligned_be64(&asr->packet_count)));
1077 ds_put_format(string, " byte_count=%"PRIu64,
1078 ntohll(get_32aligned_be64(&asr->byte_count)));
1079 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1083 ofp_print_nxst_aggregate_reply(struct ds *string,
1084 const struct nx_aggregate_stats_reply *nasr)
1086 ds_put_format(string, " packet_count=%"PRIu64, ntohll(nasr->packet_count));
1087 ds_put_format(string, " byte_count=%"PRIu64, ntohll(nasr->byte_count));
1088 ds_put_format(string, " flow_count=%"PRIu32, ntohl(nasr->flow_count));
1091 static void print_port_stat(struct ds *string, const char *leader,
1092 const ovs_32aligned_be64 *statp, int more)
1094 uint64_t stat = ntohll(get_32aligned_be64(statp));
1096 ds_put_cstr(string, leader);
1097 if (stat != UINT64_MAX) {
1098 ds_put_format(string, "%"PRIu64, stat);
1100 ds_put_char(string, '?');
1103 ds_put_cstr(string, ", ");
1105 ds_put_cstr(string, "\n");
1110 ofp_print_ofpst_port_request(struct ds *string,
1111 const struct ofp_port_stats_request *psr)
1113 ds_put_format(string, " port_no=%"PRIu16, ntohs(psr->port_no));
1117 ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1120 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1121 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
1122 ds_put_format(string, " %zu ports\n", n);
1123 if (verbosity < 1) {
1128 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1130 ds_put_cstr(string, "rx ");
1131 print_port_stat(string, "pkts=", &ps->rx_packets, 1);
1132 print_port_stat(string, "bytes=", &ps->rx_bytes, 1);
1133 print_port_stat(string, "drop=", &ps->rx_dropped, 1);
1134 print_port_stat(string, "errs=", &ps->rx_errors, 1);
1135 print_port_stat(string, "frame=", &ps->rx_frame_err, 1);
1136 print_port_stat(string, "over=", &ps->rx_over_err, 1);
1137 print_port_stat(string, "crc=", &ps->rx_crc_err, 0);
1139 ds_put_cstr(string, " tx ");
1140 print_port_stat(string, "pkts=", &ps->tx_packets, 1);
1141 print_port_stat(string, "bytes=", &ps->tx_bytes, 1);
1142 print_port_stat(string, "drop=", &ps->tx_dropped, 1);
1143 print_port_stat(string, "errs=", &ps->tx_errors, 1);
1144 print_port_stat(string, "coll=", &ps->collisions, 0);
1149 ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1152 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1153 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
1154 ds_put_format(string, " %zu tables\n", n);
1155 if (verbosity < 1) {
1160 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1161 ovs_strlcpy(name, ts->name, sizeof name);
1163 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1164 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1165 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1166 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1167 ds_put_cstr(string, " ");
1168 ds_put_format(string, "lookup=%"PRIu64", ",
1169 ntohll(get_32aligned_be64(&ts->lookup_count)));
1170 ds_put_format(string, "matched=%"PRIu64"\n",
1171 ntohll(get_32aligned_be64(&ts->matched_count)));
1176 ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1178 if (queue_id == OFPQ_ALL) {
1179 ds_put_cstr(string, "ALL");
1181 ds_put_format(string, "%"PRIu32, queue_id);
1186 ofp_print_ofpst_queue_request(struct ds *string,
1187 const struct ofp_queue_stats_request *qsr)
1189 ds_put_cstr(string, "port=");
1190 ofp_print_port_name(string, ntohs(qsr->port_no));
1192 ds_put_cstr(string, " queue=");
1193 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1197 ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1200 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1201 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
1202 ds_put_format(string, " %zu queues\n", n);
1203 if (verbosity < 1) {
1208 ds_put_cstr(string, " port ");
1209 ofp_print_port_name(string, ntohs(qs->port_no));
1210 ds_put_cstr(string, " queue ");
1211 ofp_print_queue_name(string, ntohl(qs->queue_id));
1212 ds_put_cstr(string, ": ");
1214 print_port_stat(string, "bytes=", &qs->tx_bytes, 1);
1215 print_port_stat(string, "pkts=", &qs->tx_packets, 1);
1216 print_port_stat(string, "errors=", &qs->tx_errors, 0);
1221 ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
1223 const struct ofp_stats_msg *srq = (const struct ofp_stats_msg *) oh;
1226 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1232 ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
1234 const struct ofp_stats_msg *srp = (const struct ofp_stats_msg *) oh;
1237 uint16_t flags = ntohs(srp->flags);
1239 ds_put_cstr(string, " flags=");
1240 if (flags & OFPSF_REPLY_MORE) {
1241 ds_put_cstr(string, "[more]");
1242 flags &= ~OFPSF_REPLY_MORE;
1245 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1252 ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
1254 size_t len = ntohs(oh->length);
1256 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
1257 if (verbosity > 1) {
1258 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
1263 ofp_print_nxt_role_message(struct ds *string,
1264 const struct nx_role_request *nrr)
1266 unsigned int role = ntohl(nrr->role);
1268 ds_put_cstr(string, " role=");
1269 if (role == NX_ROLE_OTHER) {
1270 ds_put_cstr(string, "other");
1271 } else if (role == NX_ROLE_MASTER) {
1272 ds_put_cstr(string, "master");
1273 } else if (role == NX_ROLE_SLAVE) {
1274 ds_put_cstr(string, "slave");
1276 ds_put_format(string, "%u", role);
1281 ofp_print_nxt_flow_mod_table_id(struct ds *string,
1282 const struct nxt_flow_mod_table_id *nfmti)
1284 ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
1288 ofp_print_nxt_set_flow_format(struct ds *string,
1289 const struct nxt_set_flow_format *nsff)
1291 uint32_t format = ntohl(nsff->format);
1293 ds_put_cstr(string, " format=");
1294 if (ofputil_flow_format_is_valid(format)) {
1295 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1297 ds_put_format(string, "%"PRIu32, format);
1302 ofp_to_string__(const struct ofp_header *oh,
1303 const struct ofputil_msg_type *type, struct ds *string,
1306 enum ofputil_msg_code code;
1307 const void *msg = oh;
1309 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1310 ofputil_msg_type_name(type), ntohl(oh->xid));
1312 code = ofputil_msg_type_code(type);
1314 case OFPUTIL_MSG_INVALID:
1317 case OFPUTIL_OFPT_HELLO:
1318 ds_put_char(string, '\n');
1319 ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
1323 case OFPUTIL_OFPT_ERROR:
1324 ofp_print_error_msg(string, msg);
1327 case OFPUTIL_OFPT_ECHO_REQUEST:
1328 case OFPUTIL_OFPT_ECHO_REPLY:
1329 ofp_print_echo(string, oh, verbosity);
1332 case OFPUTIL_OFPT_FEATURES_REQUEST:
1335 case OFPUTIL_OFPT_FEATURES_REPLY:
1336 ofp_print_switch_features(string, msg);
1339 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1342 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1343 case OFPUTIL_OFPT_SET_CONFIG:
1344 ofp_print_switch_config(string, msg);
1347 case OFPUTIL_OFPT_PACKET_IN:
1348 ofp_print_packet_in(string, msg, verbosity);
1351 case OFPUTIL_OFPT_FLOW_REMOVED:
1352 case OFPUTIL_NXT_FLOW_REMOVED:
1353 ofp_print_flow_removed(string, msg);
1356 case OFPUTIL_OFPT_PORT_STATUS:
1357 ofp_print_port_status(string, msg);
1360 case OFPUTIL_OFPT_PACKET_OUT:
1361 ofp_print_packet_out(string, msg, verbosity);
1364 case OFPUTIL_OFPT_FLOW_MOD:
1365 ofp_print_flow_mod(string, msg, code, verbosity);
1368 case OFPUTIL_OFPT_PORT_MOD:
1369 ofp_print_port_mod(string, msg);
1372 case OFPUTIL_OFPT_BARRIER_REQUEST:
1373 case OFPUTIL_OFPT_BARRIER_REPLY:
1376 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1377 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1381 case OFPUTIL_OFPST_DESC_REQUEST:
1382 ofp_print_stats_request(string, oh);
1385 case OFPUTIL_OFPST_FLOW_REQUEST:
1386 case OFPUTIL_NXST_FLOW_REQUEST:
1387 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
1388 case OFPUTIL_NXST_AGGREGATE_REQUEST:
1389 ofp_print_stats_request(string, oh);
1390 ofp_print_flow_stats_request(string, msg);
1393 case OFPUTIL_OFPST_TABLE_REQUEST:
1394 ofp_print_stats_request(string, oh);
1397 case OFPUTIL_OFPST_PORT_REQUEST:
1398 ofp_print_stats_request(string, oh);
1399 ofp_print_ofpst_port_request(string, msg);
1402 case OFPUTIL_OFPST_QUEUE_REQUEST:
1403 ofp_print_stats_request(string, oh);
1404 ofp_print_ofpst_queue_request(string, msg);
1407 case OFPUTIL_OFPST_DESC_REPLY:
1408 ofp_print_stats_reply(string, oh);
1409 ofp_print_ofpst_desc_reply(string, msg);
1412 case OFPUTIL_OFPST_FLOW_REPLY:
1413 case OFPUTIL_NXST_FLOW_REPLY:
1414 ofp_print_stats_reply(string, oh);
1415 ofp_print_flow_stats_reply(string, oh);
1418 case OFPUTIL_OFPST_QUEUE_REPLY:
1419 ofp_print_stats_reply(string, oh);
1420 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1423 case OFPUTIL_OFPST_PORT_REPLY:
1424 ofp_print_stats_reply(string, oh);
1425 ofp_print_ofpst_port_reply(string, oh, verbosity);
1428 case OFPUTIL_OFPST_TABLE_REPLY:
1429 ofp_print_stats_reply(string, oh);
1430 ofp_print_ofpst_table_reply(string, oh, verbosity);
1433 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1434 ofp_print_stats_reply(string, oh);
1435 ofp_print_ofpst_aggregate_reply(string, msg);
1438 case OFPUTIL_NXT_ROLE_REQUEST:
1439 case OFPUTIL_NXT_ROLE_REPLY:
1440 ofp_print_nxt_role_message(string, msg);
1443 case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
1444 ofp_print_nxt_flow_mod_table_id(string, msg);
1447 case OFPUTIL_NXT_SET_FLOW_FORMAT:
1448 ofp_print_nxt_set_flow_format(string, msg);
1451 case OFPUTIL_NXT_FLOW_MOD:
1452 ofp_print_flow_mod(string, msg, code, verbosity);
1455 case OFPUTIL_NXST_AGGREGATE_REPLY:
1456 ofp_print_stats_reply(string, oh);
1457 ofp_print_nxst_aggregate_reply(string, msg);
1462 /* Composes and returns a string representing the OpenFlow packet of 'len'
1463 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1464 * verbosity and higher numbers increase verbosity. The caller is responsible
1465 * for freeing the string. */
1467 ofp_to_string(const void *oh_, size_t len, int verbosity)
1469 struct ds string = DS_EMPTY_INITIALIZER;
1470 const struct ofp_header *oh = oh_;
1473 ds_put_cstr(&string, "OpenFlow message is empty\n");
1474 } else if (len < sizeof(struct ofp_header)) {
1475 ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
1477 } else if (oh->version != OFP_VERSION) {
1478 ds_put_format(&string, "Bad OpenFlow version %"PRIu8":\n",
1480 } else if (ntohs(oh->length) > len) {
1481 ds_put_format(&string,
1482 "(***truncated to %zu bytes from %"PRIu16"***)\n",
1483 len, ntohs(oh->length));
1484 } else if (ntohs(oh->length) < len) {
1485 ds_put_format(&string,
1486 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1487 ntohs(oh->length), len);
1489 const struct ofputil_msg_type *type;
1492 error = ofputil_decode_msg_type(oh, &type);
1494 ofp_to_string__(oh, type, &string, verbosity);
1495 if (verbosity >= 5) {
1496 if (ds_last(&string) != '\n') {
1497 ds_put_char(&string, '\n');
1499 ds_put_hex_dump(&string, oh, len, 0, true);
1501 if (ds_last(&string) != '\n') {
1502 ds_put_char(&string, '\n');
1504 return ds_steal_cstr(&string);
1507 ofp_print_error(&string, error);
1509 ds_put_hex_dump(&string, oh, len, 0, true);
1510 return ds_steal_cstr(&string);
1513 /* Returns the name for the specified OpenFlow message type as a string,
1514 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1515 * hex number, e.g. "0x55".
1517 * The caller must free the returned string when it is no longer needed. */
1519 ofp_message_type_to_string(uint8_t type)
1530 case OFPT_ECHO_REQUEST:
1531 name = "ECHO_REQUEST";
1533 case OFPT_ECHO_REPLY:
1534 name = "ECHO_REPLY";
1539 case OFPT_FEATURES_REQUEST:
1540 name = "FEATURES_REQUEST";
1542 case OFPT_FEATURES_REPLY:
1543 name = "FEATURES_REPLY";
1545 case OFPT_GET_CONFIG_REQUEST:
1546 name = "GET_CONFIG_REQUEST";
1548 case OFPT_GET_CONFIG_REPLY:
1549 name = "GET_CONFIG_REPLY";
1551 case OFPT_SET_CONFIG:
1552 name = "SET_CONFIG";
1554 case OFPT_PACKET_IN:
1557 case OFPT_FLOW_REMOVED:
1558 name = "FLOW_REMOVED";
1560 case OFPT_PORT_STATUS:
1561 name = "PORT_STATUS";
1563 case OFPT_PACKET_OUT:
1564 name = "PACKET_OUT";
1572 case OFPT_STATS_REQUEST:
1573 name = "STATS_REQUEST";
1575 case OFPT_STATS_REPLY:
1576 name = "STATS_REPLY";
1578 case OFPT_BARRIER_REQUEST:
1579 name = "BARRIER_REQUEST";
1581 case OFPT_BARRIER_REPLY:
1582 name = "BARRIER_REPLY";
1584 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1585 name = "QUEUE_GET_CONFIG_REQUEST";
1587 case OFPT_QUEUE_GET_CONFIG_REPLY:
1588 name = "QUEUE_GET_CONFIG_REPLY";
1595 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
1599 print_and_free(FILE *stream, char *string)
1601 fputs(string, stream);
1605 /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1606 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1607 * numbers increase verbosity. */
1609 ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1611 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1614 /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1615 * 'data' to 'stream' using tcpdump. 'total_len' specifies the full length of
1616 * the Ethernet frame (of which 'len' bytes were captured).
1618 * This starts and kills a tcpdump subprocess so it's quite expensive. */
1620 ofp_print_packet(FILE *stream, const void *data, size_t len, size_t total_len)
1622 print_and_free(stream, ofp_packet_to_string(data, len, total_len));