2 * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 #include "ofp-print.h"
22 #include <sys/types.h>
23 #include <netinet/in.h>
30 #include "byte-order.h"
32 #include "dynamic-string.h"
35 #include "multipath.h"
36 #include "meta-flow.h"
38 #include "ofp-errors.h"
41 #include "openflow/openflow.h"
42 #include "openflow/nicira-ext.h"
45 #include "type-props.h"
46 #include "unaligned.h"
49 static void ofp_print_queue_name(struct ds *string, uint32_t port);
50 static void ofp_print_error(struct ds *, enum ofperr);
53 /* Returns a string that represents the contents of the Ethernet frame in the
54 * 'len' bytes starting at 'data'. The caller must free the returned string.*/
56 ofp_packet_to_string(const void *data, size_t len)
58 struct ds ds = DS_EMPTY_INITIALIZER;
62 ofpbuf_use_const(&buf, data, len);
63 flow_extract(&buf, 0, 0, 0, &flow);
64 flow_format(&ds, &flow);
67 if (flow.nw_proto == IPPROTO_TCP) {
68 struct tcp_header *th = buf.l4;
69 ds_put_format(&ds, " tcp_csum:%"PRIx16,
71 } else if (flow.nw_proto == IPPROTO_UDP) {
72 struct udp_header *uh = buf.l4;
73 ds_put_format(&ds, " udp_csum:%"PRIx16,
78 ds_put_char(&ds, '\n');
84 ofp_packet_in_reason_to_string(enum ofp_packet_in_reason reason)
93 case OFPR_INVALID_TTL:
96 sprintf(s, "%d", (int) reason);
102 ofp_print_packet_in(struct ds *string, const struct ofp_header *oh,
105 struct ofputil_packet_in pin;
109 error = ofputil_decode_packet_in(&pin, oh);
111 ofp_print_error(string, error);
116 ds_put_format(string, " table_id=%"PRIu8, pin.table_id);
120 ds_put_format(string, " cookie=0x%"PRIx64, ntohll(pin.cookie));
123 ds_put_format(string, " total_len=%"PRIu16" in_port=", pin.total_len);
124 ofputil_format_port(pin.fmd.in_port, string);
126 if (pin.fmd.tun_id_mask) {
127 ds_put_format(string, " tun_id=0x%"PRIx64, ntohll(pin.fmd.tun_id));
128 if (pin.fmd.tun_id_mask != htonll(UINT64_MAX)) {
129 ds_put_format(string, "/0x%"PRIx64, ntohll(pin.fmd.tun_id_mask));
133 for (i = 0; i < FLOW_N_REGS; i++) {
134 if (pin.fmd.reg_masks[i]) {
135 ds_put_format(string, " reg%d=0x%"PRIx32, i, pin.fmd.regs[i]);
136 if (pin.fmd.reg_masks[i] != UINT32_MAX) {
137 ds_put_format(string, "/0x%"PRIx32, pin.fmd.reg_masks[i]);
142 ds_put_format(string, " (via %s)",
143 ofp_packet_in_reason_to_string(pin.reason));
145 ds_put_format(string, " data_len=%zu", pin.packet_len);
146 if (pin.buffer_id == UINT32_MAX) {
147 ds_put_format(string, " (unbuffered)");
148 if (pin.total_len != pin.packet_len) {
149 ds_put_format(string, " (***total_len != data_len***)");
152 ds_put_format(string, " buffer=0x%08"PRIx32, pin.buffer_id);
153 if (pin.total_len < pin.packet_len) {
154 ds_put_format(string, " (***total_len < data_len***)");
157 ds_put_char(string, '\n');
160 char *packet = ofp_packet_to_string(pin.packet, pin.packet_len);
161 ds_put_cstr(string, packet);
167 print_note(struct ds *string, const struct nx_action_note *nan)
172 ds_put_cstr(string, "note:");
173 len = ntohs(nan->len) - offsetof(struct nx_action_note, note);
174 for (i = 0; i < len; i++) {
176 ds_put_char(string, '.');
178 ds_put_format(string, "%02"PRIx8, nan->note[i]);
183 ofp_print_action(struct ds *s, const union ofp_action *a,
184 enum ofputil_action_code code)
186 const struct ofp_action_enqueue *oae;
187 const struct ofp_action_dl_addr *oada;
188 const struct nx_action_set_tunnel64 *nast64;
189 const struct nx_action_set_tunnel *nast;
190 const struct nx_action_set_queue *nasq;
191 const struct nx_action_resubmit *nar;
192 const struct nx_action_reg_move *move;
193 const struct nx_action_reg_load *load;
194 const struct nx_action_multipath *nam;
195 const struct nx_action_autopath *naa;
196 const struct nx_action_output_reg *naor;
197 struct mf_subfield subfield;
201 case OFPUTIL_OFPAT_OUTPUT:
202 port = ntohs(a->output.port);
203 if (port < OFPP_MAX) {
204 ds_put_format(s, "output:%"PRIu16, port);
206 ofputil_format_port(port, s);
207 if (port == OFPP_CONTROLLER) {
208 if (a->output.max_len != htons(0)) {
209 ds_put_format(s, ":%"PRIu16, ntohs(a->output.max_len));
211 ds_put_cstr(s, ":all");
217 case OFPUTIL_OFPAT_ENQUEUE:
218 oae = (const struct ofp_action_enqueue *) a;
219 ds_put_format(s, "enqueue:");
220 ofputil_format_port(ntohs(oae->port), s);
221 ds_put_format(s, "q%"PRIu32, ntohl(oae->queue_id));
224 case OFPUTIL_OFPAT_SET_VLAN_VID:
225 ds_put_format(s, "mod_vlan_vid:%"PRIu16,
226 ntohs(a->vlan_vid.vlan_vid));
229 case OFPUTIL_OFPAT_SET_VLAN_PCP:
230 ds_put_format(s, "mod_vlan_pcp:%"PRIu8, a->vlan_pcp.vlan_pcp);
233 case OFPUTIL_OFPAT_STRIP_VLAN:
234 ds_put_cstr(s, "strip_vlan");
237 case OFPUTIL_OFPAT_SET_DL_SRC:
238 oada = (const struct ofp_action_dl_addr *) a;
239 ds_put_format(s, "mod_dl_src:"ETH_ADDR_FMT,
240 ETH_ADDR_ARGS(oada->dl_addr));
243 case OFPUTIL_OFPAT_SET_DL_DST:
244 oada = (const struct ofp_action_dl_addr *) a;
245 ds_put_format(s, "mod_dl_dst:"ETH_ADDR_FMT,
246 ETH_ADDR_ARGS(oada->dl_addr));
249 case OFPUTIL_OFPAT_SET_NW_SRC:
250 ds_put_format(s, "mod_nw_src:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
253 case OFPUTIL_OFPAT_SET_NW_DST:
254 ds_put_format(s, "mod_nw_dst:"IP_FMT, IP_ARGS(&a->nw_addr.nw_addr));
257 case OFPUTIL_OFPAT_SET_NW_TOS:
258 ds_put_format(s, "mod_nw_tos:%d", a->nw_tos.nw_tos);
261 case OFPUTIL_OFPAT_SET_TP_SRC:
262 ds_put_format(s, "mod_tp_src:%d", ntohs(a->tp_port.tp_port));
265 case OFPUTIL_OFPAT_SET_TP_DST:
266 ds_put_format(s, "mod_tp_dst:%d", ntohs(a->tp_port.tp_port));
269 case OFPUTIL_NXAST_RESUBMIT:
270 nar = (struct nx_action_resubmit *)a;
271 ds_put_format(s, "resubmit:");
272 ofputil_format_port(ntohs(nar->in_port), s);
275 case OFPUTIL_NXAST_RESUBMIT_TABLE:
276 nar = (struct nx_action_resubmit *)a;
277 ds_put_format(s, "resubmit(");
278 if (nar->in_port != htons(OFPP_IN_PORT)) {
279 ofputil_format_port(ntohs(nar->in_port), s);
282 if (nar->table != 255) {
283 ds_put_format(s, "%"PRIu8, nar->table);
288 case OFPUTIL_NXAST_SET_TUNNEL:
289 nast = (struct nx_action_set_tunnel *)a;
290 ds_put_format(s, "set_tunnel:%#"PRIx32, ntohl(nast->tun_id));
293 case OFPUTIL_NXAST_SET_QUEUE:
294 nasq = (struct nx_action_set_queue *)a;
295 ds_put_format(s, "set_queue:%u", ntohl(nasq->queue_id));
298 case OFPUTIL_NXAST_POP_QUEUE:
299 ds_put_cstr(s, "pop_queue");
302 case OFPUTIL_NXAST_NOTE:
303 print_note(s, (const struct nx_action_note *) a);
306 case OFPUTIL_NXAST_REG_MOVE:
307 move = (const struct nx_action_reg_move *) a;
308 nxm_format_reg_move(move, s);
311 case OFPUTIL_NXAST_REG_LOAD:
312 load = (const struct nx_action_reg_load *) a;
313 nxm_format_reg_load(load, s);
316 case OFPUTIL_NXAST_SET_TUNNEL64:
317 nast64 = (const struct nx_action_set_tunnel64 *) a;
318 ds_put_format(s, "set_tunnel64:%#"PRIx64,
319 ntohll(nast64->tun_id));
322 case OFPUTIL_NXAST_MULTIPATH:
323 nam = (const struct nx_action_multipath *) a;
324 multipath_format(nam, s);
327 case OFPUTIL_NXAST_AUTOPATH:
328 naa = (const struct nx_action_autopath *)a;
329 ds_put_format(s, "autopath(%u,", ntohl(naa->id));
330 nxm_decode(&subfield, naa->dst, naa->ofs_nbits);
331 mf_format_subfield(&subfield, s);
335 case OFPUTIL_NXAST_BUNDLE:
336 case OFPUTIL_NXAST_BUNDLE_LOAD:
337 bundle_format((const struct nx_action_bundle *) a, s);
340 case OFPUTIL_NXAST_OUTPUT_REG:
341 naor = (const struct nx_action_output_reg *) a;
342 ds_put_cstr(s, "output:");
343 nxm_decode(&subfield, naor->src, naor->ofs_nbits);
344 mf_format_subfield(&subfield, s);
347 case OFPUTIL_NXAST_LEARN:
348 learn_format((const struct nx_action_learn *) a, s);
351 case OFPUTIL_NXAST_DEC_TTL:
352 ds_put_cstr(s, "dec_ttl");
355 case OFPUTIL_NXAST_EXIT:
356 ds_put_cstr(s, "exit");
365 ofp_print_actions(struct ds *string, const union ofp_action *actions,
368 const union ofp_action *a;
371 ds_put_cstr(string, "actions=");
373 ds_put_cstr(string, "drop");
376 OFPUTIL_ACTION_FOR_EACH (a, left, actions, n_actions) {
377 int code = ofputil_decode_action(a);
380 ds_put_cstr(string, ",");
382 ofp_print_action(string, a, code);
384 ofp_print_error(string, -code);
388 ds_put_format(string, " ***%zu leftover bytes following actions",
394 ofp_print_packet_out(struct ds *string, const struct ofp_packet_out *opo,
397 struct ofputil_packet_out po;
400 error = ofputil_decode_packet_out(&po, opo);
402 ofp_print_error(string, error);
406 ds_put_cstr(string, " in_port=");
407 ofputil_format_port(po.in_port, string);
409 ds_put_char(string, ' ');
410 ofp_print_actions(string, po.actions, po.n_actions);
412 if (po.buffer_id == UINT32_MAX) {
413 ds_put_format(string, " data_len=%d", po.packet_len);
414 if (verbosity > 0 && po.packet_len > 0) {
415 char *packet = ofp_packet_to_string(po.packet, po.packet_len);
416 ds_put_char(string, '\n');
417 ds_put_cstr(string, packet);
421 ds_put_format(string, " buffer=0x%08"PRIx32, po.buffer_id);
423 ds_put_char(string, '\n');
426 /* qsort comparison function. */
428 compare_ports(const void *a_, const void *b_)
430 const struct ofp_phy_port *a = a_;
431 const struct ofp_phy_port *b = b_;
432 uint16_t ap = ntohs(a->port_no);
433 uint16_t bp = ntohs(b->port_no);
435 return ap < bp ? -1 : ap > bp;
444 ofp_print_bit_names(struct ds *string, uint32_t bits,
445 const struct bit_name bit_names[])
450 ds_put_cstr(string, "0");
454 for (; bits && bit_names->name; bit_names++) {
455 if (bits & bit_names->bit) {
457 ds_put_char(string, ' ');
459 ds_put_cstr(string, bit_names->name);
460 bits &= ~bit_names->bit;
466 ds_put_char(string, ' ');
468 ds_put_format(string, "0x%"PRIx32, bits);
473 ofp_print_port_features(struct ds *string, uint32_t features)
475 static const struct bit_name feature_bits[] = {
476 { OFPPF_10MB_HD, "10MB-HD" },
477 { OFPPF_10MB_FD, "10MB-FD" },
478 { OFPPF_100MB_HD, "100MB-HD" },
479 { OFPPF_100MB_FD, "100MB-FD" },
480 { OFPPF_1GB_HD, "1GB-HD" },
481 { OFPPF_1GB_FD, "1GB-FD" },
482 { OFPPF_10GB_FD, "10GB-FD" },
483 { OFPPF_COPPER, "COPPER" },
484 { OFPPF_FIBER, "FIBER" },
485 { OFPPF_AUTONEG, "AUTO_NEG" },
486 { OFPPF_PAUSE, "AUTO_PAUSE" },
487 { OFPPF_PAUSE_ASYM, "AUTO_PAUSE_ASYM" },
491 ofp_print_bit_names(string, features, feature_bits);
492 ds_put_char(string, '\n');
496 ofp_print_port_config(struct ds *string, uint32_t config)
498 static const struct bit_name config_bits[] = {
499 { OFPPC_PORT_DOWN, "PORT_DOWN" },
500 { OFPPC_NO_STP, "NO_STP" },
501 { OFPPC_NO_RECV, "NO_RECV" },
502 { OFPPC_NO_RECV_STP, "NO_RECV_STP" },
503 { OFPPC_NO_FLOOD, "NO_FLOOD" },
504 { OFPPC_NO_FWD, "NO_FWD" },
505 { OFPPC_NO_PACKET_IN, "NO_PACKET_IN" },
509 ofp_print_bit_names(string, config, config_bits);
510 ds_put_char(string, '\n');
514 ofp_print_port_state(struct ds *string, uint32_t state)
516 static const struct bit_name state_bits[] = {
517 { OFPPS_LINK_DOWN, "LINK_DOWN" },
522 /* The STP state is a 2-bit field so it doesn't fit in with the bitmask
523 * pattern. We have to special case it.
525 * OVS doesn't support STP, so this field will always be 0 if we are
526 * talking to OVS, so we'd always print STP_LISTEN in that case.
527 * Therefore, we don't print anything at all if the value is STP_LISTEN, to
528 * avoid confusing users. */
529 stp_state = state & OFPPS_STP_MASK;
531 ds_put_cstr(string, (stp_state == OFPPS_STP_LEARN ? "STP_LEARN"
532 : stp_state == OFPPS_STP_FORWARD ? "STP_FORWARD"
534 state &= ~OFPPS_STP_MASK;
536 ofp_print_bit_names(string, state, state_bits);
539 ofp_print_bit_names(string, state, state_bits);
541 ds_put_char(string, '\n');
545 ofp_print_phy_port(struct ds *string, const struct ofp_phy_port *port)
547 char name[OFP_MAX_PORT_NAME_LEN];
550 memcpy(name, port->name, sizeof name);
551 for (j = 0; j < sizeof name - 1; j++) {
552 if (!isprint((unsigned char) name[j])) {
558 ds_put_char(string, ' ');
559 ofputil_format_port(ntohs(port->port_no), string);
560 ds_put_format(string, "(%s): addr:"ETH_ADDR_FMT"\n",
561 name, ETH_ADDR_ARGS(port->hw_addr));
563 ds_put_cstr(string, " config: ");
564 ofp_print_port_config(string, ntohl(port->config));
566 ds_put_cstr(string, " state: ");
567 ofp_print_port_state(string, ntohl(port->state));
570 ds_put_format(string, " current: ");
571 ofp_print_port_features(string, ntohl(port->curr));
573 if (port->advertised) {
574 ds_put_format(string, " advertised: ");
575 ofp_print_port_features(string, ntohl(port->advertised));
577 if (port->supported) {
578 ds_put_format(string, " supported: ");
579 ofp_print_port_features(string, ntohl(port->supported));
582 ds_put_format(string, " peer: ");
583 ofp_print_port_features(string, ntohl(port->peer));
588 ofp_print_switch_features(struct ds *string,
589 const struct ofp_switch_features *osf)
591 size_t len = ntohs(osf->header.length);
592 struct ofp_phy_port *port_list;
596 ds_put_format(string, " ver:0x%x, dpid:%016"PRIx64"\n",
597 osf->header.version, ntohll(osf->datapath_id));
598 ds_put_format(string, "n_tables:%d, n_buffers:%d\n", osf->n_tables,
599 ntohl(osf->n_buffers));
600 ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
601 ntohl(osf->capabilities), ntohl(osf->actions));
603 n_ports = (len - sizeof *osf) / sizeof *osf->ports;
605 port_list = xmemdup(osf->ports, len - sizeof *osf);
606 qsort(port_list, n_ports, sizeof *port_list, compare_ports);
607 for (i = 0; i < n_ports; i++) {
608 ofp_print_phy_port(string, &port_list[i]);
614 ofp_print_switch_config(struct ds *string, const struct ofp_switch_config *osc)
616 enum ofp_config_flags flags;
618 flags = ntohs(osc->flags);
620 ds_put_format(string, " frags=%s", ofputil_frag_handling_to_string(flags));
621 flags &= ~OFPC_FRAG_MASK;
623 if (flags & OFPC_INVALID_TTL_TO_CONTROLLER) {
624 ds_put_format(string, " invalid_ttl_to_controller");
625 flags &= ~OFPC_INVALID_TTL_TO_CONTROLLER;
629 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***", flags);
632 ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
635 static void print_wild(struct ds *string, const char *leader, int is_wild,
636 int verbosity, const char *format, ...)
637 __attribute__((format(printf, 5, 6)));
639 static void print_wild(struct ds *string, const char *leader, int is_wild,
640 int verbosity, const char *format, ...)
642 if (is_wild && verbosity < 2) {
645 ds_put_cstr(string, leader);
649 va_start(args, format);
650 ds_put_format_valist(string, format, args);
653 ds_put_char(string, '*');
655 ds_put_char(string, ',');
659 print_ip_netmask(struct ds *string, const char *leader, ovs_be32 ip,
660 uint32_t wild_bits, int verbosity)
662 if (wild_bits >= 32 && verbosity < 2) {
665 ds_put_cstr(string, leader);
666 if (wild_bits < 32) {
667 ds_put_format(string, IP_FMT, IP_ARGS(&ip));
669 ds_put_format(string, "/%d", 32 - wild_bits);
672 ds_put_char(string, '*');
674 ds_put_char(string, ',');
678 ofp_print_match(struct ds *f, const struct ofp_match *om, int verbosity)
680 char *s = ofp_match_to_string(om, verbosity);
686 ofp_match_to_string(const struct ofp_match *om, int verbosity)
688 struct ds f = DS_EMPTY_INITIALIZER;
689 uint32_t w = ntohl(om->wildcards);
690 bool skip_type = false;
691 bool skip_proto = false;
693 if (!(w & OFPFW_DL_TYPE)) {
695 if (om->dl_type == htons(ETH_TYPE_IP)) {
696 if (!(w & OFPFW_NW_PROTO)) {
698 if (om->nw_proto == IPPROTO_ICMP) {
699 ds_put_cstr(&f, "icmp,");
700 } else if (om->nw_proto == IPPROTO_TCP) {
701 ds_put_cstr(&f, "tcp,");
702 } else if (om->nw_proto == IPPROTO_UDP) {
703 ds_put_cstr(&f, "udp,");
705 ds_put_cstr(&f, "ip,");
709 ds_put_cstr(&f, "ip,");
711 } else if (om->dl_type == htons(ETH_TYPE_ARP)) {
712 ds_put_cstr(&f, "arp,");
717 print_wild(&f, "in_port=", w & OFPFW_IN_PORT, verbosity,
718 "%d", ntohs(om->in_port));
719 print_wild(&f, "dl_vlan=", w & OFPFW_DL_VLAN, verbosity,
720 "%d", ntohs(om->dl_vlan));
721 print_wild(&f, "dl_vlan_pcp=", w & OFPFW_DL_VLAN_PCP, verbosity,
722 "%d", om->dl_vlan_pcp);
723 print_wild(&f, "dl_src=", w & OFPFW_DL_SRC, verbosity,
724 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_src));
725 print_wild(&f, "dl_dst=", w & OFPFW_DL_DST, verbosity,
726 ETH_ADDR_FMT, ETH_ADDR_ARGS(om->dl_dst));
728 print_wild(&f, "dl_type=", w & OFPFW_DL_TYPE, verbosity,
729 "0x%04x", ntohs(om->dl_type));
731 print_ip_netmask(&f, "nw_src=", om->nw_src,
732 (w & OFPFW_NW_SRC_MASK) >> OFPFW_NW_SRC_SHIFT, verbosity);
733 print_ip_netmask(&f, "nw_dst=", om->nw_dst,
734 (w & OFPFW_NW_DST_MASK) >> OFPFW_NW_DST_SHIFT, verbosity);
736 if (om->dl_type == htons(ETH_TYPE_ARP)) {
737 print_wild(&f, "arp_op=", w & OFPFW_NW_PROTO, verbosity,
740 print_wild(&f, "nw_proto=", w & OFPFW_NW_PROTO, verbosity,
744 print_wild(&f, "nw_tos=", w & OFPFW_NW_TOS, verbosity,
746 if (om->nw_proto == IPPROTO_ICMP) {
747 print_wild(&f, "icmp_type=", w & OFPFW_ICMP_TYPE, verbosity,
748 "%d", ntohs(om->tp_src));
749 print_wild(&f, "icmp_code=", w & OFPFW_ICMP_CODE, verbosity,
750 "%d", ntohs(om->tp_dst));
752 print_wild(&f, "tp_src=", w & OFPFW_TP_SRC, verbosity,
753 "%d", ntohs(om->tp_src));
754 print_wild(&f, "tp_dst=", w & OFPFW_TP_DST, verbosity,
755 "%d", ntohs(om->tp_dst));
757 if (ds_last(&f) == ',') {
764 ofp_print_flow_mod(struct ds *s, const struct ofp_header *oh,
765 enum ofputil_msg_code code, int verbosity)
767 struct ofputil_flow_mod fm;
771 error = ofputil_decode_flow_mod(&fm, oh, true);
773 ofp_print_error(s, error);
778 switch (fm.command) {
780 ds_put_cstr(s, "ADD");
783 ds_put_cstr(s, "MOD");
785 case OFPFC_MODIFY_STRICT:
786 ds_put_cstr(s, "MOD_STRICT");
789 ds_put_cstr(s, "DEL");
791 case OFPFC_DELETE_STRICT:
792 ds_put_cstr(s, "DEL_STRICT");
795 ds_put_format(s, "cmd:%d", fm.command);
797 if (fm.table_id != 0) {
798 ds_put_format(s, " table:%d", fm.table_id);
802 if (verbosity >= 3 && code == OFPUTIL_OFPT_FLOW_MOD) {
803 const struct ofp_flow_mod *ofm = (const struct ofp_flow_mod *) oh;
804 ofp_print_match(s, &ofm->match, verbosity);
806 /* ofp_print_match() doesn't print priority. */
807 need_priority = true;
808 } else if (verbosity >= 3 && code == OFPUTIL_NXT_FLOW_MOD) {
809 const struct nx_flow_mod *nfm = (const struct nx_flow_mod *) oh;
810 const void *nxm = nfm + 1;
813 nxm_s = nx_match_to_string(nxm, ntohs(nfm->match_len));
814 ds_put_cstr(s, nxm_s);
817 /* nx_match_to_string() doesn't print priority. */
818 need_priority = true;
820 cls_rule_format(&fm.cr, s);
822 /* cls_rule_format() does print priority. */
823 need_priority = false;
826 if (ds_last(s) != ' ') {
829 if (fm.cookie != htonll(0)) {
830 ds_put_format(s, "cookie:0x%"PRIx64" ", ntohll(fm.cookie));
832 if (fm.idle_timeout != OFP_FLOW_PERMANENT) {
833 ds_put_format(s, "idle:%"PRIu16" ", fm.idle_timeout);
835 if (fm.hard_timeout != OFP_FLOW_PERMANENT) {
836 ds_put_format(s, "hard:%"PRIu16" ", fm.hard_timeout);
838 if (fm.cr.priority != OFP_DEFAULT_PRIORITY && need_priority) {
839 ds_put_format(s, "pri:%"PRIu16" ", fm.cr.priority);
841 if (fm.buffer_id != UINT32_MAX) {
842 ds_put_format(s, "buf:0x%"PRIx32" ", fm.buffer_id);
845 uint16_t flags = fm.flags;
847 if (flags & OFPFF_SEND_FLOW_REM) {
848 ds_put_cstr(s, "send_flow_rem ");
850 if (flags & OFPFF_CHECK_OVERLAP) {
851 ds_put_cstr(s, "check_overlap ");
853 if (flags & OFPFF_EMERG) {
854 ds_put_cstr(s, "emerg ");
857 flags &= ~(OFPFF_SEND_FLOW_REM | OFPFF_CHECK_OVERLAP | OFPFF_EMERG);
859 ds_put_format(s, "flags:0x%"PRIx16" ", flags);
863 ofp_print_actions(s, fm.actions, fm.n_actions);
867 ofp_print_duration(struct ds *string, unsigned int sec, unsigned int nsec)
869 ds_put_format(string, "%u", sec);
871 ds_put_format(string, ".%09u", nsec);
872 while (string->string[string->length - 1] == '0') {
876 ds_put_char(string, 's');
880 ofp_flow_removed_reason_to_string(enum ofp_flow_removed_reason reason)
885 case OFPRR_IDLE_TIMEOUT:
887 case OFPRR_HARD_TIMEOUT:
892 sprintf(s, "%d", (int) reason);
898 ofp_print_flow_removed(struct ds *string, const struct ofp_header *oh)
900 struct ofputil_flow_removed fr;
903 error = ofputil_decode_flow_removed(&fr, oh);
905 ofp_print_error(string, error);
909 ds_put_char(string, ' ');
910 cls_rule_format(&fr.rule, string);
912 ds_put_format(string, " reason=%s",
913 ofp_flow_removed_reason_to_string(fr.reason));
915 if (fr.cookie != htonll(0)) {
916 ds_put_format(string, " cookie:0x%"PRIx64, ntohll(fr.cookie));
918 ds_put_cstr(string, " duration");
919 ofp_print_duration(string, fr.duration_sec, fr.duration_nsec);
920 ds_put_format(string, " idle%"PRIu16" pkts%"PRIu64" bytes%"PRIu64"\n",
921 fr.idle_timeout, fr.packet_count, fr.byte_count);
925 ofp_print_port_mod(struct ds *string, const struct ofp_port_mod *opm)
927 ds_put_format(string, "port: %d: addr:"ETH_ADDR_FMT", config: %#x, mask:%#x\n",
928 ntohs(opm->port_no), ETH_ADDR_ARGS(opm->hw_addr),
929 ntohl(opm->config), ntohl(opm->mask));
930 ds_put_format(string, " advertise: ");
931 if (opm->advertise) {
932 ofp_print_port_features(string, ntohl(opm->advertise));
934 ds_put_format(string, "UNCHANGED\n");
939 ofp_print_error(struct ds *string, enum ofperr error)
941 if (string->length) {
942 ds_put_char(string, ' ');
944 ds_put_format(string, "***decode error: %s***\n", ofperr_get_name(error));
948 ofp_print_error_msg(struct ds *string, const struct ofp_error_msg *oem)
950 size_t len = ntohs(oem->header.length);
951 size_t payload_ofs, payload_len;
956 error = ofperr_decode_msg(&oem->header, &payload_ofs);
958 ds_put_cstr(string, "***decode error***");
959 ds_put_hex_dump(string, oem->data, len - sizeof *oem, 0, true);
963 ds_put_format(string, " %s\n", ofperr_get_name(error));
965 payload = (const uint8_t *) oem + payload_ofs;
966 payload_len = len - payload_ofs;
967 if (error == OFPERR_OFPHFC_INCOMPATIBLE || error == OFPERR_OFPHFC_EPERM) {
968 ds_put_printable(string, payload, payload_len);
970 s = ofp_to_string(payload, payload_len, 1);
971 ds_put_cstr(string, s);
977 ofp_print_port_status(struct ds *string, const struct ofp_port_status *ops)
979 if (ops->reason == OFPPR_ADD) {
980 ds_put_format(string, " ADD:");
981 } else if (ops->reason == OFPPR_DELETE) {
982 ds_put_format(string, " DEL:");
983 } else if (ops->reason == OFPPR_MODIFY) {
984 ds_put_format(string, " MOD:");
987 ofp_print_phy_port(string, &ops->desc);
991 ofp_print_ofpst_desc_reply(struct ds *string, const struct ofp_desc_stats *ods)
993 ds_put_char(string, '\n');
994 ds_put_format(string, "Manufacturer: %.*s\n",
995 (int) sizeof ods->mfr_desc, ods->mfr_desc);
996 ds_put_format(string, "Hardware: %.*s\n",
997 (int) sizeof ods->hw_desc, ods->hw_desc);
998 ds_put_format(string, "Software: %.*s\n",
999 (int) sizeof ods->sw_desc, ods->sw_desc);
1000 ds_put_format(string, "Serial Num: %.*s\n",
1001 (int) sizeof ods->serial_num, ods->serial_num);
1002 ds_put_format(string, "DP Description: %.*s\n",
1003 (int) sizeof ods->dp_desc, ods->dp_desc);
1007 ofp_print_flow_stats_request(struct ds *string,
1008 const struct ofp_stats_msg *osm)
1010 struct ofputil_flow_stats_request fsr;
1013 error = ofputil_decode_flow_stats_request(&fsr, &osm->header);
1015 ofp_print_error(string, error);
1019 if (fsr.table_id != 0xff) {
1020 ds_put_format(string, " table=%"PRIu8, fsr.table_id);
1023 if (fsr.out_port != OFPP_NONE) {
1024 ds_put_cstr(string, " out_port=");
1025 ofputil_format_port(fsr.out_port, string);
1028 /* A flow stats request doesn't include a priority, but cls_rule_format()
1029 * will print one unless it is OFP_DEFAULT_PRIORITY. */
1030 fsr.match.priority = OFP_DEFAULT_PRIORITY;
1032 ds_put_char(string, ' ');
1033 cls_rule_format(&fsr.match, string);
1037 ofp_print_flow_stats_reply(struct ds *string, const struct ofp_header *oh)
1041 ofpbuf_use_const(&b, oh, ntohs(oh->length));
1043 struct ofputil_flow_stats fs;
1046 retval = ofputil_decode_flow_stats_reply(&fs, &b, true);
1048 if (retval != EOF) {
1049 ds_put_cstr(string, " ***parse error***");
1054 ds_put_char(string, '\n');
1056 ds_put_format(string, " cookie=0x%"PRIx64", duration=",
1058 ofp_print_duration(string, fs.duration_sec, fs.duration_nsec);
1059 ds_put_format(string, ", table=%"PRIu8", ", fs.table_id);
1060 ds_put_format(string, "n_packets=%"PRIu64", ", fs.packet_count);
1061 ds_put_format(string, "n_bytes=%"PRIu64", ", fs.byte_count);
1062 if (fs.idle_timeout != OFP_FLOW_PERMANENT) {
1063 ds_put_format(string, "idle_timeout=%"PRIu16",", fs.idle_timeout);
1065 if (fs.hard_timeout != OFP_FLOW_PERMANENT) {
1066 ds_put_format(string, "hard_timeout=%"PRIu16",", fs.hard_timeout);
1068 if (fs.idle_age >= 0) {
1069 ds_put_format(string, "idle_age=%d,", fs.idle_age);
1071 if (fs.hard_age >= 0 && fs.hard_age != fs.duration_sec) {
1072 ds_put_format(string, "hard_age=%d,", fs.hard_age);
1075 cls_rule_format(&fs.rule, string);
1076 if (string->string[string->length - 1] != ' ') {
1077 ds_put_char(string, ' ');
1079 ofp_print_actions(string, fs.actions, fs.n_actions);
1084 ofp_print_ofpst_aggregate_reply(struct ds *string,
1085 const struct ofp_aggregate_stats_reply *asr)
1087 ds_put_format(string, " packet_count=%"PRIu64,
1088 ntohll(get_32aligned_be64(&asr->packet_count)));
1089 ds_put_format(string, " byte_count=%"PRIu64,
1090 ntohll(get_32aligned_be64(&asr->byte_count)));
1091 ds_put_format(string, " flow_count=%"PRIu32, ntohl(asr->flow_count));
1095 ofp_print_nxst_aggregate_reply(struct ds *string,
1096 const struct nx_aggregate_stats_reply *nasr)
1098 ds_put_format(string, " packet_count=%"PRIu64, ntohll(nasr->packet_count));
1099 ds_put_format(string, " byte_count=%"PRIu64, ntohll(nasr->byte_count));
1100 ds_put_format(string, " flow_count=%"PRIu32, ntohl(nasr->flow_count));
1103 static void print_port_stat(struct ds *string, const char *leader,
1104 const ovs_32aligned_be64 *statp, int more)
1106 uint64_t stat = ntohll(get_32aligned_be64(statp));
1108 ds_put_cstr(string, leader);
1109 if (stat != UINT64_MAX) {
1110 ds_put_format(string, "%"PRIu64, stat);
1112 ds_put_char(string, '?');
1115 ds_put_cstr(string, ", ");
1117 ds_put_cstr(string, "\n");
1122 ofp_print_ofpst_port_request(struct ds *string,
1123 const struct ofp_port_stats_request *psr)
1125 ds_put_format(string, " port_no=%"PRIu16, ntohs(psr->port_no));
1129 ofp_print_ofpst_port_reply(struct ds *string, const struct ofp_header *oh,
1132 const struct ofp_port_stats *ps = ofputil_stats_body(oh);
1133 size_t n = ofputil_stats_body_len(oh) / sizeof *ps;
1134 ds_put_format(string, " %zu ports\n", n);
1135 if (verbosity < 1) {
1140 ds_put_format(string, " port %2"PRIu16": ", ntohs(ps->port_no));
1142 ds_put_cstr(string, "rx ");
1143 print_port_stat(string, "pkts=", &ps->rx_packets, 1);
1144 print_port_stat(string, "bytes=", &ps->rx_bytes, 1);
1145 print_port_stat(string, "drop=", &ps->rx_dropped, 1);
1146 print_port_stat(string, "errs=", &ps->rx_errors, 1);
1147 print_port_stat(string, "frame=", &ps->rx_frame_err, 1);
1148 print_port_stat(string, "over=", &ps->rx_over_err, 1);
1149 print_port_stat(string, "crc=", &ps->rx_crc_err, 0);
1151 ds_put_cstr(string, " tx ");
1152 print_port_stat(string, "pkts=", &ps->tx_packets, 1);
1153 print_port_stat(string, "bytes=", &ps->tx_bytes, 1);
1154 print_port_stat(string, "drop=", &ps->tx_dropped, 1);
1155 print_port_stat(string, "errs=", &ps->tx_errors, 1);
1156 print_port_stat(string, "coll=", &ps->collisions, 0);
1161 ofp_print_ofpst_table_reply(struct ds *string, const struct ofp_header *oh,
1164 const struct ofp_table_stats *ts = ofputil_stats_body(oh);
1165 size_t n = ofputil_stats_body_len(oh) / sizeof *ts;
1166 ds_put_format(string, " %zu tables\n", n);
1167 if (verbosity < 1) {
1172 char name[OFP_MAX_TABLE_NAME_LEN + 1];
1173 ovs_strlcpy(name, ts->name, sizeof name);
1175 ds_put_format(string, " %d: %-8s: ", ts->table_id, name);
1176 ds_put_format(string, "wild=0x%05"PRIx32", ", ntohl(ts->wildcards));
1177 ds_put_format(string, "max=%6"PRIu32", ", ntohl(ts->max_entries));
1178 ds_put_format(string, "active=%"PRIu32"\n", ntohl(ts->active_count));
1179 ds_put_cstr(string, " ");
1180 ds_put_format(string, "lookup=%"PRIu64", ",
1181 ntohll(get_32aligned_be64(&ts->lookup_count)));
1182 ds_put_format(string, "matched=%"PRIu64"\n",
1183 ntohll(get_32aligned_be64(&ts->matched_count)));
1188 ofp_print_queue_name(struct ds *string, uint32_t queue_id)
1190 if (queue_id == OFPQ_ALL) {
1191 ds_put_cstr(string, "ALL");
1193 ds_put_format(string, "%"PRIu32, queue_id);
1198 ofp_print_ofpst_queue_request(struct ds *string,
1199 const struct ofp_queue_stats_request *qsr)
1201 ds_put_cstr(string, "port=");
1202 ofputil_format_port(ntohs(qsr->port_no), string);
1204 ds_put_cstr(string, " queue=");
1205 ofp_print_queue_name(string, ntohl(qsr->queue_id));
1209 ofp_print_ofpst_queue_reply(struct ds *string, const struct ofp_header *oh,
1212 const struct ofp_queue_stats *qs = ofputil_stats_body(oh);
1213 size_t n = ofputil_stats_body_len(oh) / sizeof *qs;
1214 ds_put_format(string, " %zu queues\n", n);
1215 if (verbosity < 1) {
1220 ds_put_cstr(string, " port ");
1221 ofputil_format_port(ntohs(qs->port_no), string);
1222 ds_put_cstr(string, " queue ");
1223 ofp_print_queue_name(string, ntohl(qs->queue_id));
1224 ds_put_cstr(string, ": ");
1226 print_port_stat(string, "bytes=", &qs->tx_bytes, 1);
1227 print_port_stat(string, "pkts=", &qs->tx_packets, 1);
1228 print_port_stat(string, "errors=", &qs->tx_errors, 0);
1233 ofp_print_stats_request(struct ds *string, const struct ofp_header *oh)
1235 const struct ofp_stats_msg *srq = (const struct ofp_stats_msg *) oh;
1238 ds_put_format(string, " ***unknown flags 0x%04"PRIx16"***",
1244 ofp_print_stats_reply(struct ds *string, const struct ofp_header *oh)
1246 const struct ofp_stats_msg *srp = (const struct ofp_stats_msg *) oh;
1249 uint16_t flags = ntohs(srp->flags);
1251 ds_put_cstr(string, " flags=");
1252 if (flags & OFPSF_REPLY_MORE) {
1253 ds_put_cstr(string, "[more]");
1254 flags &= ~OFPSF_REPLY_MORE;
1257 ds_put_format(string, "[***unknown flags 0x%04"PRIx16"***]",
1264 ofp_print_echo(struct ds *string, const struct ofp_header *oh, int verbosity)
1266 size_t len = ntohs(oh->length);
1268 ds_put_format(string, " %zu bytes of payload\n", len - sizeof *oh);
1269 if (verbosity > 1) {
1270 ds_put_hex_dump(string, oh + 1, len - sizeof *oh, 0, true);
1275 ofp_print_nxt_role_message(struct ds *string,
1276 const struct nx_role_request *nrr)
1278 unsigned int role = ntohl(nrr->role);
1280 ds_put_cstr(string, " role=");
1281 if (role == NX_ROLE_OTHER) {
1282 ds_put_cstr(string, "other");
1283 } else if (role == NX_ROLE_MASTER) {
1284 ds_put_cstr(string, "master");
1285 } else if (role == NX_ROLE_SLAVE) {
1286 ds_put_cstr(string, "slave");
1288 ds_put_format(string, "%u", role);
1293 ofp_print_nxt_flow_mod_table_id(struct ds *string,
1294 const struct nx_flow_mod_table_id *nfmti)
1296 ds_put_format(string, " %s", nfmti->set ? "enable" : "disable");
1300 ofp_print_nxt_set_flow_format(struct ds *string,
1301 const struct nx_set_flow_format *nsff)
1303 uint32_t format = ntohl(nsff->format);
1305 ds_put_cstr(string, " format=");
1306 if (ofputil_flow_format_is_valid(format)) {
1307 ds_put_cstr(string, ofputil_flow_format_to_string(format));
1309 ds_put_format(string, "%"PRIu32, format);
1314 ofp_print_nxt_set_packet_in_format(struct ds *string,
1315 const struct nx_set_packet_in_format *nspf)
1317 uint32_t format = ntohl(nspf->format);
1319 ds_put_cstr(string, " format=");
1320 if (ofputil_packet_in_format_is_valid(format)) {
1321 ds_put_cstr(string, ofputil_packet_in_format_to_string(format));
1323 ds_put_format(string, "%"PRIu32, format);
1328 ofp_port_reason_to_string(enum ofp_port_reason reason)
1343 sprintf(s, "%d", (int) reason);
1349 ofp_print_nxt_set_async_config(struct ds *string,
1350 const struct nx_async_config *nac)
1354 for (i = 0; i < 2; i++) {
1357 ds_put_format(string, "\n %s:\n", i == 0 ? "master" : "slave");
1359 ds_put_cstr(string, " PACKET_IN:");
1360 for (j = 0; j < 32; j++) {
1361 if (nac->packet_in_mask[i] & htonl(1u << j)) {
1362 ds_put_format(string, " %s",
1363 ofp_packet_in_reason_to_string(j));
1366 if (!nac->packet_in_mask[i]) {
1367 ds_put_cstr(string, " (off)");
1369 ds_put_char(string, '\n');
1371 ds_put_cstr(string, " PORT_STATUS:");
1372 for (j = 0; j < 32; j++) {
1373 if (nac->port_status_mask[i] & htonl(1u << j)) {
1374 ds_put_format(string, " %s", ofp_port_reason_to_string(j));
1377 if (!nac->port_status_mask[i]) {
1378 ds_put_cstr(string, " (off)");
1380 ds_put_char(string, '\n');
1382 ds_put_cstr(string, " FLOW_REMOVED:");
1383 for (j = 0; j < 32; j++) {
1384 if (nac->flow_removed_mask[i] & htonl(1u << j)) {
1385 ds_put_format(string, " %s",
1386 ofp_flow_removed_reason_to_string(j));
1389 if (!nac->flow_removed_mask[i]) {
1390 ds_put_cstr(string, " (off)");
1392 ds_put_char(string, '\n');
1397 ofp_to_string__(const struct ofp_header *oh,
1398 const struct ofputil_msg_type *type, struct ds *string,
1401 enum ofputil_msg_code code;
1402 const void *msg = oh;
1404 ds_put_format(string, "%s (xid=0x%"PRIx32"):",
1405 ofputil_msg_type_name(type), ntohl(oh->xid));
1407 code = ofputil_msg_type_code(type);
1409 case OFPUTIL_MSG_INVALID:
1412 case OFPUTIL_OFPT_HELLO:
1413 ds_put_char(string, '\n');
1414 ds_put_hex_dump(string, oh + 1, ntohs(oh->length) - sizeof *oh,
1418 case OFPUTIL_OFPT_ERROR:
1419 ofp_print_error_msg(string, msg);
1422 case OFPUTIL_OFPT_ECHO_REQUEST:
1423 case OFPUTIL_OFPT_ECHO_REPLY:
1424 ofp_print_echo(string, oh, verbosity);
1427 case OFPUTIL_OFPT_FEATURES_REQUEST:
1430 case OFPUTIL_OFPT_FEATURES_REPLY:
1431 ofp_print_switch_features(string, msg);
1434 case OFPUTIL_OFPT_GET_CONFIG_REQUEST:
1437 case OFPUTIL_OFPT_GET_CONFIG_REPLY:
1438 case OFPUTIL_OFPT_SET_CONFIG:
1439 ofp_print_switch_config(string, msg);
1442 case OFPUTIL_OFPT_PACKET_IN:
1443 case OFPUTIL_NXT_PACKET_IN:
1444 ofp_print_packet_in(string, msg, verbosity);
1447 case OFPUTIL_OFPT_FLOW_REMOVED:
1448 case OFPUTIL_NXT_FLOW_REMOVED:
1449 ofp_print_flow_removed(string, msg);
1452 case OFPUTIL_OFPT_PORT_STATUS:
1453 ofp_print_port_status(string, msg);
1456 case OFPUTIL_OFPT_PACKET_OUT:
1457 ofp_print_packet_out(string, msg, verbosity);
1460 case OFPUTIL_OFPT_FLOW_MOD:
1461 case OFPUTIL_NXT_FLOW_MOD:
1462 ofp_print_flow_mod(string, msg, code, verbosity);
1465 case OFPUTIL_OFPT_PORT_MOD:
1466 ofp_print_port_mod(string, msg);
1469 case OFPUTIL_OFPT_BARRIER_REQUEST:
1470 case OFPUTIL_OFPT_BARRIER_REPLY:
1473 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST:
1474 case OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY:
1478 case OFPUTIL_OFPST_DESC_REQUEST:
1479 ofp_print_stats_request(string, oh);
1482 case OFPUTIL_OFPST_FLOW_REQUEST:
1483 case OFPUTIL_NXST_FLOW_REQUEST:
1484 case OFPUTIL_OFPST_AGGREGATE_REQUEST:
1485 case OFPUTIL_NXST_AGGREGATE_REQUEST:
1486 ofp_print_stats_request(string, oh);
1487 ofp_print_flow_stats_request(string, msg);
1490 case OFPUTIL_OFPST_TABLE_REQUEST:
1491 ofp_print_stats_request(string, oh);
1494 case OFPUTIL_OFPST_PORT_REQUEST:
1495 ofp_print_stats_request(string, oh);
1496 ofp_print_ofpst_port_request(string, msg);
1499 case OFPUTIL_OFPST_QUEUE_REQUEST:
1500 ofp_print_stats_request(string, oh);
1501 ofp_print_ofpst_queue_request(string, msg);
1504 case OFPUTIL_OFPST_DESC_REPLY:
1505 ofp_print_stats_reply(string, oh);
1506 ofp_print_ofpst_desc_reply(string, msg);
1509 case OFPUTIL_OFPST_FLOW_REPLY:
1510 case OFPUTIL_NXST_FLOW_REPLY:
1511 ofp_print_stats_reply(string, oh);
1512 ofp_print_flow_stats_reply(string, oh);
1515 case OFPUTIL_OFPST_QUEUE_REPLY:
1516 ofp_print_stats_reply(string, oh);
1517 ofp_print_ofpst_queue_reply(string, oh, verbosity);
1520 case OFPUTIL_OFPST_PORT_REPLY:
1521 ofp_print_stats_reply(string, oh);
1522 ofp_print_ofpst_port_reply(string, oh, verbosity);
1525 case OFPUTIL_OFPST_TABLE_REPLY:
1526 ofp_print_stats_reply(string, oh);
1527 ofp_print_ofpst_table_reply(string, oh, verbosity);
1530 case OFPUTIL_OFPST_AGGREGATE_REPLY:
1531 ofp_print_stats_reply(string, oh);
1532 ofp_print_ofpst_aggregate_reply(string, msg);
1535 case OFPUTIL_NXT_ROLE_REQUEST:
1536 case OFPUTIL_NXT_ROLE_REPLY:
1537 ofp_print_nxt_role_message(string, msg);
1540 case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
1541 ofp_print_nxt_flow_mod_table_id(string, msg);
1544 case OFPUTIL_NXT_SET_FLOW_FORMAT:
1545 ofp_print_nxt_set_flow_format(string, msg);
1548 case OFPUTIL_NXT_SET_PACKET_IN_FORMAT:
1549 ofp_print_nxt_set_packet_in_format(string, msg);
1552 case OFPUTIL_NXT_FLOW_AGE:
1555 case OFPUTIL_NXT_SET_ASYNC_CONFIG:
1556 ofp_print_nxt_set_async_config(string, msg);
1559 case OFPUTIL_NXST_AGGREGATE_REPLY:
1560 ofp_print_stats_reply(string, oh);
1561 ofp_print_nxst_aggregate_reply(string, msg);
1566 /* Composes and returns a string representing the OpenFlow packet of 'len'
1567 * bytes at 'oh' at the given 'verbosity' level. 0 is a minimal amount of
1568 * verbosity and higher numbers increase verbosity. The caller is responsible
1569 * for freeing the string. */
1571 ofp_to_string(const void *oh_, size_t len, int verbosity)
1573 struct ds string = DS_EMPTY_INITIALIZER;
1574 const struct ofp_header *oh = oh_;
1577 ds_put_cstr(&string, "OpenFlow message is empty\n");
1578 } else if (len < sizeof(struct ofp_header)) {
1579 ds_put_format(&string, "OpenFlow packet too short (only %zu bytes):\n",
1581 } else if (ntohs(oh->length) > len) {
1582 ds_put_format(&string,
1583 "(***truncated to %zu bytes from %"PRIu16"***)\n",
1584 len, ntohs(oh->length));
1585 } else if (ntohs(oh->length) < len) {
1586 ds_put_format(&string,
1587 "(***only uses %"PRIu16" bytes out of %zu***)\n",
1588 ntohs(oh->length), len);
1590 const struct ofputil_msg_type *type;
1593 error = ofputil_decode_msg_type(oh, &type);
1595 ofp_to_string__(oh, type, &string, verbosity);
1596 if (verbosity >= 5) {
1597 if (ds_last(&string) != '\n') {
1598 ds_put_char(&string, '\n');
1600 ds_put_hex_dump(&string, oh, len, 0, true);
1602 if (ds_last(&string) != '\n') {
1603 ds_put_char(&string, '\n');
1605 return ds_steal_cstr(&string);
1608 ofp_print_error(&string, error);
1610 ds_put_hex_dump(&string, oh, len, 0, true);
1611 return ds_steal_cstr(&string);
1614 /* Returns the name for the specified OpenFlow message type as a string,
1615 * e.g. "OFPT_FEATURES_REPLY". If no name is known, the string returned is a
1616 * hex number, e.g. "0x55".
1618 * The caller must free the returned string when it is no longer needed. */
1620 ofp_message_type_to_string(uint8_t type)
1631 case OFPT_ECHO_REQUEST:
1632 name = "ECHO_REQUEST";
1634 case OFPT_ECHO_REPLY:
1635 name = "ECHO_REPLY";
1640 case OFPT_FEATURES_REQUEST:
1641 name = "FEATURES_REQUEST";
1643 case OFPT_FEATURES_REPLY:
1644 name = "FEATURES_REPLY";
1646 case OFPT_GET_CONFIG_REQUEST:
1647 name = "GET_CONFIG_REQUEST";
1649 case OFPT_GET_CONFIG_REPLY:
1650 name = "GET_CONFIG_REPLY";
1652 case OFPT_SET_CONFIG:
1653 name = "SET_CONFIG";
1655 case OFPT_PACKET_IN:
1658 case OFPT_FLOW_REMOVED:
1659 name = "FLOW_REMOVED";
1661 case OFPT_PORT_STATUS:
1662 name = "PORT_STATUS";
1664 case OFPT_PACKET_OUT:
1665 name = "PACKET_OUT";
1673 case OFPT_STATS_REQUEST:
1674 name = "STATS_REQUEST";
1676 case OFPT_STATS_REPLY:
1677 name = "STATS_REPLY";
1679 case OFPT_BARRIER_REQUEST:
1680 name = "BARRIER_REQUEST";
1682 case OFPT_BARRIER_REPLY:
1683 name = "BARRIER_REPLY";
1685 case OFPT_QUEUE_GET_CONFIG_REQUEST:
1686 name = "QUEUE_GET_CONFIG_REQUEST";
1688 case OFPT_QUEUE_GET_CONFIG_REPLY:
1689 name = "QUEUE_GET_CONFIG_REPLY";
1696 return name ? xasprintf("OFPT_%s", name) : xasprintf("0x%02"PRIx8, type);
1700 print_and_free(FILE *stream, char *string)
1702 fputs(string, stream);
1706 /* Pretty-print the OpenFlow packet of 'len' bytes at 'oh' to 'stream' at the
1707 * given 'verbosity' level. 0 is a minimal amount of verbosity and higher
1708 * numbers increase verbosity. */
1710 ofp_print(FILE *stream, const void *oh, size_t len, int verbosity)
1712 print_and_free(stream, ofp_to_string(oh, len, verbosity));
1715 /* Dumps the contents of the Ethernet frame in the 'len' bytes starting at
1716 * 'data' to 'stream'. */
1718 ofp_print_packet(FILE *stream, const void *data, size_t len)
1720 print_and_free(stream, ofp_packet_to_string(data, len));