2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
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.
19 #include "ofproto/ofproto-dpif.h"
20 #include "ofproto/ofproto-provider.h"
27 #include "byte-order.h"
28 #include "connectivity.h"
33 #include "dynamic-string.h"
34 #include "fail-open.h"
35 #include "guarded-list.h"
39 #include "mac-learning.h"
40 #include "mcast-snooping.h"
41 #include "meta-flow.h"
42 #include "multipath.h"
43 #include "netdev-vport.h"
48 #include "odp-execute.h"
51 #include "ofp-actions.h"
52 #include "ofp-parse.h"
53 #include "ofp-print.h"
54 #include "ofproto-dpif-ipfix.h"
55 #include "ofproto-dpif-mirror.h"
56 #include "ofproto-dpif-monitor.h"
57 #include "ofproto-dpif-rid.h"
58 #include "ofproto-dpif-sflow.h"
59 #include "ofproto-dpif-upcall.h"
60 #include "ofproto-dpif-xlate.h"
61 #include "poll-loop.h"
67 #include "unaligned.h"
69 #include "vlan-bitmap.h"
72 VLOG_DEFINE_THIS_MODULE(ofproto_dpif);
74 COVERAGE_DEFINE(ofproto_dpif_expired);
75 COVERAGE_DEFINE(packet_in_overflow);
84 * - Do include packets and bytes from datapath flows which have not
85 * recently been processed by a revalidator. */
86 struct ovs_mutex stats_mutex;
87 struct dpif_flow_stats stats OVS_GUARDED;
89 /* If non-zero then the recirculation id that has
90 * been allocated for use with this rule.
91 * The recirculation id and associated internal flow should
92 * be freed when the rule is freed */
96 /* RULE_CAST() depends on this. */
97 BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0);
99 static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes,
100 long long int *used);
101 static struct rule_dpif *rule_dpif_cast(const struct rule *);
102 static void rule_expire(struct rule_dpif *);
109 * - Do include packets and bytes from datapath flows which have not
110 * recently been processed by a revalidator. */
111 struct ovs_mutex stats_mutex;
112 uint64_t packet_count OVS_GUARDED; /* Number of packets received. */
113 uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */
117 struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
118 struct ofproto_dpif *ofproto; /* Owning ofproto. */
119 void *aux; /* Key supplied by ofproto's client. */
120 char *name; /* Identifier for log messages. */
123 struct list ports; /* Contains "struct ofport"s. */
124 enum port_vlan_mode vlan_mode; /* VLAN mode */
125 int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
126 unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1.
127 * NULL if all VLANs are trunked. */
128 struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */
129 struct bond *bond; /* Nonnull iff more than one port. */
130 bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
133 bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
136 static void bundle_remove(struct ofport *);
137 static void bundle_update(struct ofbundle *);
138 static void bundle_destroy(struct ofbundle *);
139 static void bundle_del_port(struct ofport_dpif *);
140 static void bundle_run(struct ofbundle *);
141 static void bundle_wait(struct ofbundle *);
143 static void stp_run(struct ofproto_dpif *ofproto);
144 static void stp_wait(struct ofproto_dpif *ofproto);
145 static int set_stp_port(struct ofport *,
146 const struct ofproto_port_stp_settings *);
148 static void rstp_run(struct ofproto_dpif *ofproto);
149 static void set_rstp_port(struct ofport *,
150 const struct ofproto_port_rstp_settings *);
153 struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
157 struct ofbundle *bundle; /* Bundle that contains this port, if any. */
158 struct list bundle_node; /* In struct ofbundle's "ports" list. */
159 struct cfm *cfm; /* Connectivity Fault Management, if any. */
160 struct bfd *bfd; /* BFD, if any. */
161 bool may_enable; /* May be enabled in bonds. */
162 bool is_tunnel; /* This port is a tunnel. */
163 bool is_layer3; /* This is a layer 3 port. */
164 long long int carrier_seq; /* Carrier status changes. */
165 struct ofport_dpif *peer; /* Peer if patch port. */
168 struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
169 enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
170 long long int stp_state_entered;
172 /* Rapid Spanning Tree. */
173 struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
174 enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
176 /* Queue to DSCP mapping. */
177 struct ofproto_port_queue *qdscp;
180 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
182 * This is deprecated. It is only for compatibility with broken device
183 * drivers in old versions of Linux that do not properly support VLANs when
184 * VLAN devices are not used. When broken device drivers are no longer in
185 * widespread use, we will delete these interfaces. */
186 ofp_port_t realdev_ofp_port;
190 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
192 * This is deprecated. It is only for compatibility with broken device drivers
193 * in old versions of Linux that do not properly support VLANs when VLAN
194 * devices are not used. When broken device drivers are no longer in
195 * widespread use, we will delete these interfaces. */
196 struct vlan_splinter {
197 struct hmap_node realdev_vid_node;
198 struct hmap_node vlandev_node;
199 ofp_port_t realdev_ofp_port;
200 ofp_port_t vlandev_ofp_port;
204 static void vsp_remove(struct ofport_dpif *);
205 static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid);
207 static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *,
210 static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *,
213 static struct ofport_dpif *
214 ofport_dpif_cast(const struct ofport *ofport)
216 return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
219 static void port_run(struct ofport_dpif *);
220 static int set_bfd(struct ofport *, const struct smap *);
221 static int set_cfm(struct ofport *, const struct cfm_settings *);
222 static void ofport_update_peer(struct ofport_dpif *);
224 /* Reasons that we might need to revalidate every datapath flow, and
225 * corresponding coverage counters.
227 * A value of 0 means that there is no need to revalidate.
229 * It would be nice to have some cleaner way to integrate with coverage
230 * counters, but with only a few reasons I guess this is good enough for
232 enum revalidate_reason {
233 REV_RECONFIGURE = 1, /* Switch configuration changed. */
234 REV_STP, /* Spanning tree protocol port status change. */
235 REV_RSTP, /* RSTP port status change. */
236 REV_BOND, /* Bonding changed. */
237 REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/
238 REV_FLOW_TABLE, /* Flow table changed. */
239 REV_MAC_LEARNING, /* Mac learning changed. */
240 REV_MCAST_SNOOPING, /* Multicast snooping changed. */
242 COVERAGE_DEFINE(rev_reconfigure);
243 COVERAGE_DEFINE(rev_stp);
244 COVERAGE_DEFINE(rev_rstp);
245 COVERAGE_DEFINE(rev_bond);
246 COVERAGE_DEFINE(rev_port_toggled);
247 COVERAGE_DEFINE(rev_flow_table);
248 COVERAGE_DEFINE(rev_mac_learning);
249 COVERAGE_DEFINE(rev_mcast_snooping);
251 /* All datapaths of a given type share a single dpif backer instance. */
258 struct ovs_rwlock odp_to_ofport_lock;
259 struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
261 struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
263 enum revalidate_reason need_revalidate; /* Revalidate all flows. */
265 bool recv_set_enable; /* Enables or disables receiving packets. */
268 struct recirc_id_pool *rid_pool; /* Recirculation ID pool. */
269 bool enable_recirc; /* True if the datapath supports recirculation */
271 /* True if the datapath supports variable-length
272 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
273 * False if the datapath supports only 8-byte (or shorter) userdata. */
274 bool variable_length_userdata;
276 /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET
278 bool masked_set_action;
280 /* Maximum number of MPLS label stack entries that the datapath supports
282 size_t max_mpls_depth;
285 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
286 static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
288 struct ofproto_dpif {
289 struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
291 struct dpif_backer *backer;
293 uint64_t dump_seq; /* Last read of udpif_dump_seq(). */
295 /* Special OpenFlow rules. */
296 struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
297 struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
298 struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */
301 struct netflow *netflow;
302 struct dpif_sflow *sflow;
303 struct dpif_ipfix *ipfix;
304 struct hmap bundles; /* Contains "struct ofbundle"s. */
305 struct mac_learning *ml;
306 struct mcast_snooping *ms;
307 bool has_bonded_bundles;
309 struct mbridge *mbridge;
311 struct ovs_mutex stats_mutex;
312 struct netdev_stats stats OVS_GUARDED; /* To account packets generated and
313 * consumed in userspace. */
317 long long int stp_last_tick;
319 /* Rapid Spanning Tree. */
321 long long int rstp_last_tick;
323 /* VLAN splinters. */
324 struct ovs_mutex vsp_mutex;
325 struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */
326 struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */
329 struct sset ports; /* Set of standard port names. */
330 struct sset ghost_ports; /* Ports with no datapath port. */
331 struct sset port_poll_set; /* Queued names for port_poll() reply. */
332 int port_poll_errno; /* Last errno for port_poll() reply. */
333 uint64_t change_seq; /* Connectivity status changes. */
336 struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */
337 struct seq *pins_seq; /* For notifying 'pins' reception. */
341 /* All existing ofproto_dpif instances, indexed by ->up.name. */
342 static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
344 static void ofproto_dpif_unixctl_init(void);
346 static inline struct ofproto_dpif *
347 ofproto_dpif_cast(const struct ofproto *ofproto)
349 ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class);
350 return CONTAINER_OF(ofproto, struct ofproto_dpif, up);
354 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto)
356 return ofproto->backer->max_mpls_depth;
360 ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto)
362 return ofproto->backer->enable_recirc;
365 static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto,
366 ofp_port_t ofp_port);
367 static void ofproto_trace(struct ofproto_dpif *, struct flow *,
368 const struct ofpbuf *packet,
369 const struct ofpact[], size_t ofpacts_len,
372 /* Global variables. */
373 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
375 /* Initial mappings of port to bridge mappings. */
376 static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports);
378 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
381 ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
382 struct ofputil_flow_mod *fm)
384 ofproto_flow_mod(&ofproto->up, fm);
387 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
388 * Takes ownership of 'pin' and pin->packet. */
390 ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto,
391 struct ofproto_packet_in *pin)
393 if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) {
394 COVERAGE_INC(packet_in_overflow);
395 free(CONST_CAST(void *, pin->up.packet));
399 /* Wakes up main thread for packet-in I/O. */
400 seq_change(ofproto->pins_seq);
403 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
404 * packet rather than to send the packet to the controller.
406 * This function returns false to indicate that a packet_in message
407 * for a "table-miss" should be sent to at least one controller.
408 * False otherwise. */
410 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto)
412 return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr);
415 /* Factory functions. */
418 init(const struct shash *iface_hints)
420 struct shash_node *node;
422 /* Make a local copy, since we don't own 'iface_hints' elements. */
423 SHASH_FOR_EACH(node, iface_hints) {
424 const struct iface_hint *orig_hint = node->data;
425 struct iface_hint *new_hint = xmalloc(sizeof *new_hint);
427 new_hint->br_name = xstrdup(orig_hint->br_name);
428 new_hint->br_type = xstrdup(orig_hint->br_type);
429 new_hint->ofp_port = orig_hint->ofp_port;
431 shash_add(&init_ofp_ports, node->name, new_hint);
436 enumerate_types(struct sset *types)
438 dp_enumerate_types(types);
442 enumerate_names(const char *type, struct sset *names)
444 struct ofproto_dpif *ofproto;
447 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
448 if (strcmp(type, ofproto->up.type)) {
451 sset_add(names, ofproto->up.name);
458 del(const char *type, const char *name)
463 error = dpif_open(name, type, &dpif);
465 error = dpif_delete(dpif);
472 port_open_type(const char *datapath_type, const char *port_type)
474 return dpif_port_open_type(datapath_type, port_type);
477 /* Type functions. */
479 static void process_dpif_port_changes(struct dpif_backer *);
480 static void process_dpif_all_ports_changed(struct dpif_backer *);
481 static void process_dpif_port_change(struct dpif_backer *,
482 const char *devname);
483 static void process_dpif_port_error(struct dpif_backer *, int error);
485 static struct ofproto_dpif *
486 lookup_ofproto_dpif_by_port_name(const char *name)
488 struct ofproto_dpif *ofproto;
490 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
491 if (sset_contains(&ofproto->ports, name)) {
500 type_run(const char *type)
502 struct dpif_backer *backer;
504 backer = shash_find_data(&all_dpif_backers, type);
506 /* This is not necessarily a problem, since backers are only
507 * created on demand. */
511 dpif_run(backer->dpif);
512 udpif_run(backer->udpif);
514 /* If vswitchd started with other_config:flow_restore_wait set as "true",
515 * and the configuration has now changed to "false", enable receiving
516 * packets from the datapath. */
517 if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
520 backer->recv_set_enable = true;
522 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
524 VLOG_ERR("Failed to enable receiving packets in dpif.");
527 dpif_flow_flush(backer->dpif);
528 backer->need_revalidate = REV_RECONFIGURE;
531 if (backer->recv_set_enable) {
532 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
535 dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask);
537 if (backer->need_revalidate) {
538 struct ofproto_dpif *ofproto;
539 struct simap_node *node;
540 struct simap tmp_backers;
542 /* Handle tunnel garbage collection. */
543 simap_init(&tmp_backers);
544 simap_swap(&backer->tnl_backers, &tmp_backers);
546 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
547 struct ofport_dpif *iter;
549 if (backer != ofproto->backer) {
553 HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
554 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
557 if (!iter->is_tunnel) {
561 dp_port = netdev_vport_get_dpif_port(iter->up.netdev,
562 namebuf, sizeof namebuf);
563 node = simap_find(&tmp_backers, dp_port);
565 simap_put(&backer->tnl_backers, dp_port, node->data);
566 simap_delete(&tmp_backers, node);
567 node = simap_find(&backer->tnl_backers, dp_port);
569 node = simap_find(&backer->tnl_backers, dp_port);
571 odp_port_t odp_port = ODPP_NONE;
573 if (!dpif_port_add(backer->dpif, iter->up.netdev,
575 simap_put(&backer->tnl_backers, dp_port,
576 odp_to_u32(odp_port));
577 node = simap_find(&backer->tnl_backers, dp_port);
582 iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
583 if (tnl_port_reconfigure(iter, iter->up.netdev,
585 backer->need_revalidate = REV_RECONFIGURE;
590 SIMAP_FOR_EACH (node, &tmp_backers) {
591 dpif_port_del(backer->dpif, u32_to_odp(node->data));
593 simap_destroy(&tmp_backers);
595 switch (backer->need_revalidate) {
596 case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
597 case REV_STP: COVERAGE_INC(rev_stp); break;
598 case REV_RSTP: COVERAGE_INC(rev_rstp); break;
599 case REV_BOND: COVERAGE_INC(rev_bond); break;
600 case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
601 case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
602 case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break;
603 case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break;
605 backer->need_revalidate = 0;
607 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
608 struct ofport_dpif *ofport;
609 struct ofbundle *bundle;
611 if (ofproto->backer != backer) {
616 xlate_ofproto_set(ofproto, ofproto->up.name,
617 ofproto->backer->dpif, ofproto->miss_rule,
618 ofproto->no_packet_in_rule, ofproto->ml,
619 ofproto->stp, ofproto->rstp, ofproto->ms,
620 ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
621 ofproto->netflow, ofproto->up.frag_handling,
622 ofproto->up.forward_bpdu,
623 connmgr_has_in_band(ofproto->up.connmgr),
624 ofproto->backer->enable_recirc,
625 ofproto->backer->variable_length_userdata,
626 ofproto->backer->max_mpls_depth,
627 ofproto->backer->masked_set_action);
629 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
630 xlate_bundle_set(ofproto, bundle, bundle->name,
631 bundle->vlan_mode, bundle->vlan,
632 bundle->trunks, bundle->use_priority_tags,
633 bundle->bond, bundle->lacp,
637 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
638 int stp_port = ofport->stp_port
639 ? stp_port_no(ofport->stp_port)
641 xlate_ofport_set(ofproto, ofport->bundle, ofport,
642 ofport->up.ofp_port, ofport->odp_port,
643 ofport->up.netdev, ofport->cfm,
644 ofport->bfd, ofport->peer, stp_port,
645 ofport->rstp_port, ofport->qdscp,
646 ofport->n_qdscp, ofport->up.pp.config,
647 ofport->up.pp.state, ofport->is_tunnel,
653 udpif_revalidate(backer->udpif);
656 process_dpif_port_changes(backer);
661 /* Check for and handle port changes in 'backer''s dpif. */
663 process_dpif_port_changes(struct dpif_backer *backer)
669 error = dpif_port_poll(backer->dpif, &devname);
675 process_dpif_all_ports_changed(backer);
679 process_dpif_port_change(backer, devname);
684 process_dpif_port_error(backer, error);
691 process_dpif_all_ports_changed(struct dpif_backer *backer)
693 struct ofproto_dpif *ofproto;
694 struct dpif_port dpif_port;
695 struct dpif_port_dump dump;
696 struct sset devnames;
699 sset_init(&devnames);
700 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
701 if (ofproto->backer == backer) {
702 struct ofport *ofport;
704 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
705 sset_add(&devnames, netdev_get_name(ofport->netdev));
709 DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) {
710 sset_add(&devnames, dpif_port.name);
713 SSET_FOR_EACH (devname, &devnames) {
714 process_dpif_port_change(backer, devname);
716 sset_destroy(&devnames);
720 process_dpif_port_change(struct dpif_backer *backer, const char *devname)
722 struct ofproto_dpif *ofproto;
723 struct dpif_port port;
725 /* Don't report on the datapath's device. */
726 if (!strcmp(devname, dpif_base_name(backer->dpif))) {
730 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
731 &all_ofproto_dpifs) {
732 if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
737 ofproto = lookup_ofproto_dpif_by_port_name(devname);
738 if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
739 /* The port was removed. If we know the datapath,
740 * report it through poll_set(). If we don't, it may be
741 * notifying us of a removal we initiated, so ignore it.
742 * If there's a pending ENOBUFS, let it stand, since
743 * everything will be reevaluated. */
744 if (ofproto && ofproto->port_poll_errno != ENOBUFS) {
745 sset_add(&ofproto->port_poll_set, devname);
746 ofproto->port_poll_errno = 0;
748 } else if (!ofproto) {
749 /* The port was added, but we don't know with which
750 * ofproto we should associate it. Delete it. */
751 dpif_port_del(backer->dpif, port.port_no);
753 struct ofport_dpif *ofport;
755 ofport = ofport_dpif_cast(shash_find_data(
756 &ofproto->up.port_by_name, devname));
758 && ofport->odp_port != port.port_no
759 && !odp_port_to_ofport(backer, port.port_no))
761 /* 'ofport''s datapath port number has changed from
762 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
763 * structures to match. */
764 ovs_rwlock_wrlock(&backer->odp_to_ofport_lock);
765 hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node);
766 ofport->odp_port = port.port_no;
767 hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node,
768 hash_odp_port(port.port_no));
769 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
770 backer->need_revalidate = REV_RECONFIGURE;
773 dpif_port_destroy(&port);
776 /* Propagate 'error' to all ofprotos based on 'backer'. */
778 process_dpif_port_error(struct dpif_backer *backer, int error)
780 struct ofproto_dpif *ofproto;
782 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
783 if (ofproto->backer == backer) {
784 sset_clear(&ofproto->port_poll_set);
785 ofproto->port_poll_errno = error;
791 type_wait(const char *type)
793 struct dpif_backer *backer;
795 backer = shash_find_data(&all_dpif_backers, type);
797 /* This is not necessarily a problem, since backers are only
798 * created on demand. */
802 dpif_wait(backer->dpif);
805 /* Basic life-cycle. */
807 static int add_internal_flows(struct ofproto_dpif *);
809 static struct ofproto *
812 struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto);
817 dealloc(struct ofproto *ofproto_)
819 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
824 close_dpif_backer(struct dpif_backer *backer)
826 ovs_assert(backer->refcount > 0);
828 if (--backer->refcount) {
832 udpif_destroy(backer->udpif);
834 simap_destroy(&backer->tnl_backers);
835 ovs_rwlock_destroy(&backer->odp_to_ofport_lock);
836 hmap_destroy(&backer->odp_to_ofport_map);
837 shash_find_and_delete(&all_dpif_backers, backer->type);
838 recirc_id_pool_destroy(backer->rid_pool);
840 dpif_close(backer->dpif);
844 /* Datapath port slated for removal from datapath. */
846 struct list list_node;
850 static bool check_variable_length_userdata(struct dpif_backer *backer);
851 static size_t check_max_mpls_depth(struct dpif_backer *backer);
852 static bool check_recirc(struct dpif_backer *backer);
853 static bool check_masked_set_action(struct dpif_backer *backer);
856 open_dpif_backer(const char *type, struct dpif_backer **backerp)
858 struct dpif_backer *backer;
859 struct dpif_port_dump port_dump;
860 struct dpif_port port;
861 struct shash_node *node;
862 struct list garbage_list;
863 struct odp_garbage *garbage, *next;
870 backer = shash_find_data(&all_dpif_backers, type);
877 backer_name = xasprintf("ovs-%s", type);
879 /* Remove any existing datapaths, since we assume we're the only
880 * userspace controlling the datapath. */
882 dp_enumerate_names(type, &names);
883 SSET_FOR_EACH(name, &names) {
884 struct dpif *old_dpif;
886 /* Don't remove our backer if it exists. */
887 if (!strcmp(name, backer_name)) {
891 if (dpif_open(name, type, &old_dpif)) {
892 VLOG_WARN("couldn't open old datapath %s to remove it", name);
894 dpif_delete(old_dpif);
895 dpif_close(old_dpif);
898 sset_destroy(&names);
900 backer = xmalloc(sizeof *backer);
902 error = dpif_create_and_open(backer_name, type, &backer->dpif);
905 VLOG_ERR("failed to open datapath of type %s: %s", type,
906 ovs_strerror(error));
910 backer->udpif = udpif_create(backer, backer->dpif);
912 backer->type = xstrdup(type);
913 backer->refcount = 1;
914 hmap_init(&backer->odp_to_ofport_map);
915 ovs_rwlock_init(&backer->odp_to_ofport_lock);
916 backer->need_revalidate = 0;
917 simap_init(&backer->tnl_backers);
918 backer->recv_set_enable = !ofproto_get_flow_restore_wait();
921 if (backer->recv_set_enable) {
922 dpif_flow_flush(backer->dpif);
925 /* Loop through the ports already on the datapath and remove any
926 * that we don't need anymore. */
927 list_init(&garbage_list);
928 dpif_port_dump_start(&port_dump, backer->dpif);
929 while (dpif_port_dump_next(&port_dump, &port)) {
930 node = shash_find(&init_ofp_ports, port.name);
931 if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) {
932 garbage = xmalloc(sizeof *garbage);
933 garbage->odp_port = port.port_no;
934 list_push_front(&garbage_list, &garbage->list_node);
937 dpif_port_dump_done(&port_dump);
939 LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) {
940 dpif_port_del(backer->dpif, garbage->odp_port);
941 list_remove(&garbage->list_node);
945 shash_add(&all_dpif_backers, type, backer);
947 backer->enable_recirc = check_recirc(backer);
948 backer->max_mpls_depth = check_max_mpls_depth(backer);
949 backer->masked_set_action = check_masked_set_action(backer);
950 backer->rid_pool = recirc_id_pool_create();
952 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
954 VLOG_ERR("failed to listen on datapath of type %s: %s",
955 type, ovs_strerror(error));
956 close_dpif_backer(backer);
960 if (backer->recv_set_enable) {
961 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
964 /* This check fails if performed before udpif threads have been set,
965 * as the kernel module checks that the 'pid' in userspace action
967 backer->variable_length_userdata = check_variable_length_userdata(backer);
972 /* Tests whether 'backer''s datapath supports recirculation. Only newer
973 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
974 * features on older datapaths that don't support this feature.
976 * Returns false if 'backer' definitely does not support recirculation, true if
977 * it seems to support recirculation or if at least the error we get is
980 check_recirc(struct dpif_backer *backer)
983 struct odputil_keybuf keybuf;
986 bool enable_recirc = false;
988 memset(&flow, 0, sizeof flow);
992 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
993 odp_flow_key_from_flow(&key, &flow, NULL, 0, true);
995 error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
996 ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL,
998 if (error && error != EEXIST) {
999 if (error != EINVAL) {
1000 VLOG_WARN("%s: Reciculation flow probe failed (%s)",
1001 dpif_name(backer->dpif), ovs_strerror(error));
1006 error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key),
1009 VLOG_WARN("%s: failed to delete recirculation feature probe flow",
1010 dpif_name(backer->dpif));
1013 enable_recirc = true;
1016 if (enable_recirc) {
1017 VLOG_INFO("%s: Datapath supports recirculation",
1018 dpif_name(backer->dpif));
1020 VLOG_INFO("%s: Datapath does not support recirculation",
1021 dpif_name(backer->dpif));
1024 return enable_recirc;
1027 /* Tests whether 'backer''s datapath supports variable-length
1028 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1029 * to disable some features on older datapaths that don't support this
1032 * Returns false if 'backer' definitely does not support variable-length
1033 * userdata, true if it seems to support them or if at least the error we get
1036 check_variable_length_userdata(struct dpif_backer *backer)
1038 struct eth_header *eth;
1039 struct ofpbuf actions;
1040 struct dpif_execute execute;
1041 struct ofpbuf packet;
1045 /* Compose a userspace action that will cause an ERANGE error on older
1046 * datapaths that don't support variable-length userdata.
1048 * We really test for using userdata longer than 8 bytes, but older
1049 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1050 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1051 * test for that instead as a proxy for longer userdata support. */
1052 ofpbuf_init(&actions, 64);
1053 start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE);
1054 nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID,
1055 dpif_port_get_pid(backer->dpif, ODPP_NONE, 0));
1056 nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4);
1057 nl_msg_end_nested(&actions, start);
1059 /* Compose a dummy ethernet packet. */
1060 ofpbuf_init(&packet, ETH_HEADER_LEN);
1061 eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
1062 eth->eth_type = htons(0x1234);
1064 /* Execute the actions. On older datapaths this fails with ERANGE, on
1065 * newer datapaths it succeeds. */
1066 execute.actions = ofpbuf_data(&actions);
1067 execute.actions_len = ofpbuf_size(&actions);
1068 execute.packet = &packet;
1069 execute.md = PKT_METADATA_INITIALIZER(0);
1070 execute.needs_help = false;
1071 execute.probe = true;
1073 error = dpif_execute(backer->dpif, &execute);
1075 ofpbuf_uninit(&packet);
1076 ofpbuf_uninit(&actions);
1083 /* Variable-length userdata is not supported. */
1084 VLOG_WARN("%s: datapath does not support variable-length userdata "
1085 "feature (needs Linux 3.10+ or kernel module from OVS "
1086 "1..11+). The NXAST_SAMPLE action will be ignored.",
1087 dpif_name(backer->dpif));
1091 /* Something odd happened. We're not sure whether variable-length
1092 * userdata is supported. Default to "yes". */
1093 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1094 dpif_name(backer->dpif), ovs_strerror(error));
1099 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1101 * Returns the number of elements in a struct flow's mpls_lse field
1102 * if the datapath supports at least that many entries in an
1104 * Otherwise returns the number of MPLS push actions supported by
1107 check_max_mpls_depth(struct dpif_backer *backer)
1112 for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) {
1113 struct odputil_keybuf keybuf;
1117 memset(&flow, 0, sizeof flow);
1118 flow.dl_type = htons(ETH_TYPE_MPLS);
1119 flow_set_mpls_bos(&flow, n, 1);
1121 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1122 odp_flow_key_from_flow(&key, &flow, NULL, 0, false);
1124 error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
1125 ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0,
1127 if (error && error != EEXIST) {
1128 if (error != EINVAL) {
1129 VLOG_WARN("%s: MPLS stack length feature probe failed (%s)",
1130 dpif_name(backer->dpif), ovs_strerror(error));
1135 error = dpif_flow_del(backer->dpif, ofpbuf_data(&key),
1136 ofpbuf_size(&key), NULL);
1138 VLOG_WARN("%s: failed to delete MPLS feature probe flow",
1139 dpif_name(backer->dpif));
1143 VLOG_INFO("%s: MPLS label stack length probed as %d",
1144 dpif_name(backer->dpif), n);
1148 /* Tests whether 'backer''s datapath supports masked data in
1149 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1150 * datapaths that don't support this feature. */
1152 check_masked_set_action(struct dpif_backer *backer)
1154 struct eth_header *eth;
1155 struct ofpbuf actions;
1156 struct dpif_execute execute;
1157 struct ofpbuf packet;
1159 struct ovs_key_ethernet key, mask;
1161 /* Compose a set action that will cause an EINVAL error on older
1162 * datapaths that don't support masked set actions.
1163 * Avoid using a full mask, as it could be translated to a non-masked
1164 * set action instead. */
1165 ofpbuf_init(&actions, 64);
1166 memset(&key, 0x53, sizeof key);
1167 memset(&mask, 0x7f, sizeof mask);
1168 commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
1171 /* Compose a dummy ethernet packet. */
1172 ofpbuf_init(&packet, ETH_HEADER_LEN);
1173 eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
1174 eth->eth_type = htons(0x1234);
1176 /* Execute the actions. On older datapaths this fails with EINVAL, on
1177 * newer datapaths it succeeds. */
1178 execute.actions = ofpbuf_data(&actions);
1179 execute.actions_len = ofpbuf_size(&actions);
1180 execute.packet = &packet;
1181 execute.md = PKT_METADATA_INITIALIZER(0);
1182 execute.needs_help = false;
1183 execute.probe = true;
1185 error = dpif_execute(backer->dpif, &execute);
1187 ofpbuf_uninit(&packet);
1188 ofpbuf_uninit(&actions);
1191 /* Masked set action is not supported. */
1192 VLOG_INFO("%s: datapath does not support masked set action feature.",
1193 dpif_name(backer->dpif));
1199 construct(struct ofproto *ofproto_)
1201 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1202 struct shash_node *node, *next;
1205 error = open_dpif_backer(ofproto->up.type, &ofproto->backer);
1210 ofproto->netflow = NULL;
1211 ofproto->sflow = NULL;
1212 ofproto->ipfix = NULL;
1213 ofproto->stp = NULL;
1214 ofproto->rstp = NULL;
1215 ofproto->dump_seq = 0;
1216 hmap_init(&ofproto->bundles);
1217 ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
1219 ofproto->mbridge = mbridge_create();
1220 ofproto->has_bonded_bundles = false;
1221 ofproto->lacp_enabled = false;
1222 ovs_mutex_init_adaptive(&ofproto->stats_mutex);
1223 ovs_mutex_init(&ofproto->vsp_mutex);
1225 guarded_list_init(&ofproto->pins);
1227 ofproto_dpif_unixctl_init();
1229 hmap_init(&ofproto->vlandev_map);
1230 hmap_init(&ofproto->realdev_vid_map);
1232 sset_init(&ofproto->ports);
1233 sset_init(&ofproto->ghost_ports);
1234 sset_init(&ofproto->port_poll_set);
1235 ofproto->port_poll_errno = 0;
1236 ofproto->change_seq = 0;
1237 ofproto->pins_seq = seq_create();
1238 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1241 SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) {
1242 struct iface_hint *iface_hint = node->data;
1244 if (!strcmp(iface_hint->br_name, ofproto->up.name)) {
1245 /* Check if the datapath already has this port. */
1246 if (dpif_port_exists(ofproto->backer->dpif, node->name)) {
1247 sset_add(&ofproto->ports, node->name);
1250 free(iface_hint->br_name);
1251 free(iface_hint->br_type);
1253 shash_delete(&init_ofp_ports, node);
1257 hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
1258 hash_string(ofproto->up.name, 0));
1259 memset(&ofproto->stats, 0, sizeof ofproto->stats);
1261 ofproto_init_tables(ofproto_, N_TABLES);
1262 error = add_internal_flows(ofproto);
1264 ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
1270 add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
1271 const struct ofpbuf *ofpacts, struct rule_dpif **rulep)
1277 match_init_catchall(&match);
1278 match_set_reg(&match, 0, id);
1280 error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
1282 *rulep = error ? NULL : rule_dpif_cast(rule);
1288 add_internal_flows(struct ofproto_dpif *ofproto)
1290 struct ofpact_controller *controller;
1291 uint64_t ofpacts_stub[128 / 8];
1292 struct ofpbuf ofpacts;
1293 struct rule *unused_rulep OVS_UNUSED;
1294 struct ofpact_resubmit *resubmit;
1299 ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
1302 controller = ofpact_put_CONTROLLER(&ofpacts);
1303 controller->max_len = UINT16_MAX;
1304 controller->controller_id = 0;
1305 controller->reason = OFPR_NO_MATCH;
1306 ofpact_pad(&ofpacts);
1308 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1309 &ofproto->miss_rule);
1314 ofpbuf_clear(&ofpacts);
1315 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1316 &ofproto->no_packet_in_rule);
1321 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1322 &ofproto->drop_frags_rule);
1327 /* Continue non-recirculation rule lookups from table 0.
1329 * (priority=2), recirc=0, actions=resubmit(, 0)
1331 resubmit = ofpact_put_RESUBMIT(&ofpacts);
1332 resubmit->in_port = OFPP_IN_PORT;
1333 resubmit->table_id = 0;
1335 match_init_catchall(&match);
1336 match_set_recirc_id(&match, 0);
1338 error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
1344 /* Drop any run away recirc rule lookups. Recirc_id has to be
1345 * non-zero when reaching this rule.
1347 * (priority=1), *, actions=drop
1349 ofpbuf_clear(&ofpacts);
1350 match_init_catchall(&match);
1351 error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, 0, &ofpacts,
1358 destruct(struct ofproto *ofproto_)
1360 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1361 struct ofproto_packet_in *pin, *next_pin;
1362 struct rule_dpif *rule;
1363 struct oftable *table;
1366 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1368 xlate_remove_ofproto(ofproto);
1371 /* Ensure that the upcall processing threads have no remaining references
1372 * to the ofproto or anything in it. */
1373 udpif_synchronize(ofproto->backer->udpif);
1375 hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
1377 OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
1378 CLS_FOR_EACH_SAFE (rule, up.cr, &table->cls) {
1379 ofproto_rule_delete(&ofproto->up, &rule->up);
1383 guarded_list_pop_all(&ofproto->pins, &pins);
1384 LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) {
1385 list_remove(&pin->list_node);
1386 free(CONST_CAST(void *, pin->up.packet));
1389 guarded_list_destroy(&ofproto->pins);
1391 mbridge_unref(ofproto->mbridge);
1393 netflow_unref(ofproto->netflow);
1394 dpif_sflow_unref(ofproto->sflow);
1395 dpif_ipfix_unref(ofproto->ipfix);
1396 hmap_destroy(&ofproto->bundles);
1397 mac_learning_unref(ofproto->ml);
1398 mcast_snooping_unref(ofproto->ms);
1400 hmap_destroy(&ofproto->vlandev_map);
1401 hmap_destroy(&ofproto->realdev_vid_map);
1403 sset_destroy(&ofproto->ports);
1404 sset_destroy(&ofproto->ghost_ports);
1405 sset_destroy(&ofproto->port_poll_set);
1407 ovs_mutex_destroy(&ofproto->stats_mutex);
1408 ovs_mutex_destroy(&ofproto->vsp_mutex);
1410 seq_destroy(ofproto->pins_seq);
1412 close_dpif_backer(ofproto->backer);
1416 run(struct ofproto *ofproto_)
1418 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1419 uint64_t new_seq, new_dump_seq;
1421 if (mbridge_need_revalidate(ofproto->mbridge)) {
1422 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1423 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1424 mac_learning_flush(ofproto->ml);
1425 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1426 mcast_snooping_mdb_flush(ofproto->ms);
1429 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1430 * flow restore. Even though nothing is processed during flow restore,
1431 * all queued 'pins' will be handled immediately when flow restore
1433 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1435 /* Do not perform any periodic activity required by 'ofproto' while
1436 * waiting for flow restore to complete. */
1437 if (!ofproto_get_flow_restore_wait()) {
1438 struct ofproto_packet_in *pin, *next_pin;
1441 guarded_list_pop_all(&ofproto->pins, &pins);
1442 LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) {
1443 connmgr_send_packet_in(ofproto->up.connmgr, pin);
1444 list_remove(&pin->list_node);
1445 free(CONST_CAST(void *, pin->up.packet));
1450 if (ofproto->netflow) {
1451 netflow_run(ofproto->netflow);
1453 if (ofproto->sflow) {
1454 dpif_sflow_run(ofproto->sflow);
1456 if (ofproto->ipfix) {
1457 dpif_ipfix_run(ofproto->ipfix);
1460 new_seq = seq_read(connectivity_seq_get());
1461 if (ofproto->change_seq != new_seq) {
1462 struct ofport_dpif *ofport;
1464 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1468 ofproto->change_seq = new_seq;
1470 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1471 struct ofbundle *bundle;
1473 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1480 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1481 if (mac_learning_run(ofproto->ml)) {
1482 ofproto->backer->need_revalidate = REV_MAC_LEARNING;
1484 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1486 if (mcast_snooping_run(ofproto->ms)) {
1487 ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
1490 new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
1491 if (ofproto->dump_seq != new_dump_seq) {
1492 struct rule *rule, *next_rule;
1494 /* We know stats are relatively fresh, so now is a good time to do some
1496 ofproto->dump_seq = new_dump_seq;
1498 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1500 ovs_mutex_lock(&ofproto_mutex);
1501 LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
1502 &ofproto->up.expirable) {
1503 rule_expire(rule_dpif_cast(rule));
1505 ovs_mutex_unlock(&ofproto_mutex);
1507 /* All outstanding data in existing flows has been accounted, so it's a
1508 * good time to do bond rebalancing. */
1509 if (ofproto->has_bonded_bundles) {
1510 struct ofbundle *bundle;
1512 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1514 bond_rebalance(bundle->bond);
1524 wait(struct ofproto *ofproto_)
1526 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1528 if (ofproto_get_flow_restore_wait()) {
1532 if (ofproto->sflow) {
1533 dpif_sflow_wait(ofproto->sflow);
1535 if (ofproto->ipfix) {
1536 dpif_ipfix_wait(ofproto->ipfix);
1538 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1539 struct ofbundle *bundle;
1541 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1542 bundle_wait(bundle);
1545 if (ofproto->netflow) {
1546 netflow_wait(ofproto->netflow);
1548 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
1549 mac_learning_wait(ofproto->ml);
1550 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1551 mcast_snooping_wait(ofproto->ms);
1553 if (ofproto->backer->need_revalidate) {
1554 /* Shouldn't happen, but if it does just go around again. */
1555 VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()");
1556 poll_immediate_wake();
1559 seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq);
1560 seq_wait(ofproto->pins_seq, ofproto->pins_seqno);
1564 type_get_memory_usage(const char *type, struct simap *usage)
1566 struct dpif_backer *backer;
1568 backer = shash_find_data(&all_dpif_backers, type);
1570 udpif_get_memory_usage(backer->udpif, usage);
1575 flush(struct ofproto *ofproto_)
1577 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1578 struct dpif_backer *backer = ofproto->backer;
1581 udpif_flush(backer->udpif);
1586 query_tables(struct ofproto *ofproto,
1587 struct ofputil_table_features *features,
1588 struct ofputil_table_stats *stats)
1590 strcpy(features->name, "classifier");
1595 for (i = 0; i < ofproto->n_tables; i++) {
1596 unsigned long missed, matched;
1598 atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
1599 atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
1601 stats[i].matched_count = matched;
1602 stats[i].lookup_count = matched + missed;
1607 static struct ofport *
1610 struct ofport_dpif *port = xmalloc(sizeof *port);
1615 port_dealloc(struct ofport *port_)
1617 struct ofport_dpif *port = ofport_dpif_cast(port_);
1622 port_construct(struct ofport *port_)
1624 struct ofport_dpif *port = ofport_dpif_cast(port_);
1625 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1626 const struct netdev *netdev = port->up.netdev;
1627 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1628 struct dpif_port dpif_port;
1631 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1632 port->bundle = NULL;
1635 port->may_enable = false;
1636 port->stp_port = NULL;
1637 port->stp_state = STP_DISABLED;
1638 port->rstp_port = NULL;
1639 port->rstp_state = RSTP_DISABLED;
1640 port->is_tunnel = false;
1644 port->realdev_ofp_port = 0;
1645 port->vlandev_vid = 0;
1646 port->carrier_seq = netdev_get_carrier_resets(netdev);
1647 port->is_layer3 = netdev_vport_is_layer3(netdev);
1649 if (netdev_vport_is_patch(netdev)) {
1650 /* By bailing out here, we don't submit the port to the sFlow module
1651 * to be considered for counter polling export. This is correct
1652 * because the patch port represents an interface that sFlow considers
1653 * to be "internal" to the switch as a whole, and therefore not an
1654 * candidate for counter polling. */
1655 port->odp_port = ODPP_NONE;
1656 ofport_update_peer(port);
1660 error = dpif_port_query_by_name(ofproto->backer->dpif,
1661 netdev_vport_get_dpif_port(netdev, namebuf,
1668 port->odp_port = dpif_port.port_no;
1670 if (netdev_get_tunnel_config(netdev)) {
1671 tnl_port_add(port, port->up.netdev, port->odp_port);
1672 port->is_tunnel = true;
1673 if (ofproto->ipfix) {
1674 dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
1677 /* Sanity-check that a mapping doesn't already exist. This
1678 * shouldn't happen for non-tunnel ports. */
1679 if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
1680 VLOG_ERR("port %s already has an OpenFlow port number",
1682 dpif_port_destroy(&dpif_port);
1686 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1687 hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
1688 hash_odp_port(port->odp_port));
1689 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1691 dpif_port_destroy(&dpif_port);
1693 if (ofproto->sflow) {
1694 dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
1701 port_destruct(struct ofport *port_)
1703 struct ofport_dpif *port = ofport_dpif_cast(port_);
1704 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1705 const char *devname = netdev_get_name(port->up.netdev);
1706 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1707 const char *dp_port_name;
1709 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1711 xlate_ofport_remove(port);
1714 dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf,
1716 if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
1717 /* The underlying device is still there, so delete it. This
1718 * happens when the ofproto is being destroyed, since the caller
1719 * assumes that removal of attached ports will happen as part of
1721 if (!port->is_tunnel) {
1722 dpif_port_del(ofproto->backer->dpif, port->odp_port);
1727 port->peer->peer = NULL;
1731 if (port->odp_port != ODPP_NONE && !port->is_tunnel) {
1732 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1733 hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
1734 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1737 if (port->is_tunnel && ofproto->ipfix) {
1738 dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
1742 sset_find_and_delete(&ofproto->ports, devname);
1743 sset_find_and_delete(&ofproto->ghost_ports, devname);
1744 bundle_remove(port_);
1745 set_cfm(port_, NULL);
1746 set_bfd(port_, NULL);
1747 if (port->stp_port) {
1748 stp_port_disable(port->stp_port);
1750 set_rstp_port(port_, NULL);
1751 if (ofproto->sflow) {
1752 dpif_sflow_del_port(ofproto->sflow, port->odp_port);
1759 port_modified(struct ofport *port_)
1761 struct ofport_dpif *port = ofport_dpif_cast(port_);
1763 if (port->bundle && port->bundle->bond) {
1764 bond_slave_set_netdev(port->bundle->bond, port, port->up.netdev);
1768 cfm_set_netdev(port->cfm, port->up.netdev);
1772 bfd_set_netdev(port->bfd, port->up.netdev);
1775 ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
1776 port->up.pp.hw_addr);
1778 if (port->is_tunnel && tnl_port_reconfigure(port, port->up.netdev,
1780 ofproto_dpif_cast(port->up.ofproto)->backer->need_revalidate =
1784 ofport_update_peer(port);
1788 port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config)
1790 struct ofport_dpif *port = ofport_dpif_cast(port_);
1791 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1792 enum ofputil_port_config changed = old_config ^ port->up.pp.config;
1794 if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
1795 OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
1796 OFPUTIL_PC_NO_PACKET_IN)) {
1797 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1799 if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
1800 bundle_update(port->bundle);
1806 set_sflow(struct ofproto *ofproto_,
1807 const struct ofproto_sflow_options *sflow_options)
1809 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1810 struct dpif_sflow *ds = ofproto->sflow;
1812 if (sflow_options) {
1814 struct ofport_dpif *ofport;
1816 ds = ofproto->sflow = dpif_sflow_create();
1817 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1818 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
1820 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1822 dpif_sflow_set_options(ds, sflow_options);
1825 dpif_sflow_unref(ds);
1826 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1827 ofproto->sflow = NULL;
1835 struct ofproto *ofproto_,
1836 const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
1837 const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
1838 size_t n_flow_exporters_options)
1840 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1841 struct dpif_ipfix *di = ofproto->ipfix;
1842 bool has_options = bridge_exporter_options || flow_exporters_options;
1843 bool new_di = false;
1845 if (has_options && !di) {
1846 di = ofproto->ipfix = dpif_ipfix_create();
1851 /* Call set_options in any case to cleanly flush the flow
1852 * caches in the last exporters that are to be destroyed. */
1853 dpif_ipfix_set_options(
1854 di, bridge_exporter_options, flow_exporters_options,
1855 n_flow_exporters_options);
1857 /* Add tunnel ports only when a new ipfix created */
1858 if (new_di == true) {
1859 struct ofport_dpif *ofport;
1860 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1861 if (ofport->is_tunnel == true) {
1862 dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
1868 dpif_ipfix_unref(di);
1869 ofproto->ipfix = NULL;
1877 set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
1879 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1884 struct ofproto_dpif *ofproto;
1886 ofproto = ofproto_dpif_cast(ofport->up.ofproto);
1887 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1888 ofport->cfm = cfm_create(ofport->up.netdev);
1891 if (cfm_configure(ofport->cfm, s)) {
1898 cfm_unref(ofport->cfm);
1901 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1902 ofport->up.pp.hw_addr);
1907 cfm_status_changed(struct ofport *ofport_)
1909 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1911 return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true;
1915 get_cfm_status(const struct ofport *ofport_,
1916 struct cfm_status *status)
1918 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1922 cfm_get_status(ofport->cfm, status);
1931 set_bfd(struct ofport *ofport_, const struct smap *cfg)
1933 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
1934 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1938 ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev),
1939 cfg, ofport->up.netdev);
1940 if (ofport->bfd != old) {
1941 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1943 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1944 ofport->up.pp.hw_addr);
1949 bfd_status_changed(struct ofport *ofport_)
1951 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1953 return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true;
1957 get_bfd_status(struct ofport *ofport_, struct smap *smap)
1959 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1963 bfd_get_status(ofport->bfd, smap);
1971 /* Spanning Tree. */
1973 /* Called while rstp_mutex is held. */
1975 rstp_send_bpdu_cb(struct ofpbuf *pkt, void *ofport_, void *ofproto_)
1977 struct ofproto_dpif *ofproto = ofproto_;
1978 struct ofport_dpif *ofport = ofport_;
1979 struct eth_header *eth = ofpbuf_l2(pkt);
1981 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
1982 if (eth_addr_is_zero(eth->eth_src)) {
1983 VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
1984 "does not have a configured source MAC address.",
1985 ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
1987 ofproto_dpif_send_packet(ofport, pkt);
1993 send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_)
1995 struct ofproto_dpif *ofproto = ofproto_;
1996 struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
1997 struct ofport_dpif *ofport;
1999 ofport = stp_port_get_aux(sp);
2001 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
2002 ofproto->up.name, port_num);
2004 struct eth_header *eth = ofpbuf_l2(pkt);
2006 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2007 if (eth_addr_is_zero(eth->eth_src)) {
2008 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
2009 "with unknown MAC", ofproto->up.name, port_num);
2011 ofproto_dpif_send_packet(ofport, pkt);
2017 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2019 set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
2021 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2023 /* Only revalidate flows if the configuration changed. */
2024 if (!s != !ofproto->rstp) {
2025 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2029 if (!ofproto->rstp) {
2030 ofproto->rstp = rstp_create(ofproto_->name, s->address,
2031 rstp_send_bpdu_cb, ofproto);
2032 ofproto->rstp_last_tick = time_msec();
2034 rstp_set_bridge_address(ofproto->rstp, s->address);
2035 rstp_set_bridge_priority(ofproto->rstp, s->priority);
2036 rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
2037 rstp_set_bridge_force_protocol_version(ofproto->rstp,
2038 s->force_protocol_version);
2039 rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
2040 rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
2041 rstp_set_bridge_transmit_hold_count(ofproto->rstp,
2042 s->transmit_hold_count);
2044 struct ofport *ofport;
2045 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2046 set_rstp_port(ofport, NULL);
2048 rstp_unref(ofproto->rstp);
2049 ofproto->rstp = NULL;
2054 get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
2056 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2058 if (ofproto->rstp) {
2060 s->root_id = rstp_get_root_id(ofproto->rstp);
2061 s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
2062 s->designated_id = rstp_get_designated_id(ofproto->rstp);
2063 s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
2064 s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
2065 s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
2072 update_rstp_port_state(struct ofport_dpif *ofport)
2074 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2075 enum rstp_state state;
2077 /* Figure out new state. */
2078 state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
2082 if (ofport->rstp_state != state) {
2083 enum ofputil_port_state of_state;
2086 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2087 netdev_get_name(ofport->up.netdev),
2088 rstp_state_name(ofport->rstp_state),
2089 rstp_state_name(state));
2090 if (rstp_learn_in_state(ofport->rstp_state)
2091 != rstp_learn_in_state(state)) {
2092 /* xxx Learning action flows should also be flushed. */
2093 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2094 mac_learning_flush(ofproto->ml);
2095 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2097 fwd_change = rstp_forward_in_state(ofport->rstp_state)
2098 != rstp_forward_in_state(state);
2100 ofproto->backer->need_revalidate = REV_RSTP;
2101 ofport->rstp_state = state;
2103 if (fwd_change && ofport->bundle) {
2104 bundle_update(ofport->bundle);
2107 /* Update the RSTP state bits in the OpenFlow port description. */
2108 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2109 of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
2110 : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2111 : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN
2113 ofproto_port_set_state(&ofport->up, of_state);
2118 rstp_run(struct ofproto_dpif *ofproto)
2120 if (ofproto->rstp) {
2121 long long int now = time_msec();
2122 long long int elapsed = now - ofproto->rstp_last_tick;
2123 struct rstp_port *rp;
2124 struct ofport_dpif *ofport;
2126 /* Every second, decrease the values of the timers. */
2127 if (elapsed >= 1000) {
2128 rstp_tick_timers(ofproto->rstp);
2129 ofproto->rstp_last_tick = now;
2132 while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
2133 update_rstp_port_state(ofport);
2135 /* FIXME: This check should be done on-event (i.e., when setting
2136 * p->fdb_flush) and not periodically.
2138 if (rstp_check_and_reset_fdb_flush(ofproto->rstp)) {
2139 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2140 /* FIXME: RSTP should be able to flush the entries pertaining to a
2141 * single port, not the whole table.
2143 mac_learning_flush(ofproto->ml);
2144 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2149 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2151 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
2153 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2155 /* Only revalidate flows if the configuration changed. */
2156 if (!s != !ofproto->stp) {
2157 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2161 if (!ofproto->stp) {
2162 ofproto->stp = stp_create(ofproto_->name, s->system_id,
2163 send_bpdu_cb, ofproto);
2164 ofproto->stp_last_tick = time_msec();
2167 stp_set_bridge_id(ofproto->stp, s->system_id);
2168 stp_set_bridge_priority(ofproto->stp, s->priority);
2169 stp_set_hello_time(ofproto->stp, s->hello_time);
2170 stp_set_max_age(ofproto->stp, s->max_age);
2171 stp_set_forward_delay(ofproto->stp, s->fwd_delay);
2173 struct ofport *ofport;
2175 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2176 set_stp_port(ofport, NULL);
2179 stp_unref(ofproto->stp);
2180 ofproto->stp = NULL;
2187 get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
2189 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2193 s->bridge_id = stp_get_bridge_id(ofproto->stp);
2194 s->designated_root = stp_get_designated_root(ofproto->stp);
2195 s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
2204 update_stp_port_state(struct ofport_dpif *ofport)
2206 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2207 enum stp_state state;
2209 /* Figure out new state. */
2210 state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
2214 if (ofport->stp_state != state) {
2215 enum ofputil_port_state of_state;
2218 VLOG_DBG("port %s: STP state changed from %s to %s",
2219 netdev_get_name(ofport->up.netdev),
2220 stp_state_name(ofport->stp_state),
2221 stp_state_name(state));
2222 if (stp_learn_in_state(ofport->stp_state)
2223 != stp_learn_in_state(state)) {
2224 /* xxx Learning action flows should also be flushed. */
2225 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2226 mac_learning_flush(ofproto->ml);
2227 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2228 mcast_snooping_mdb_flush(ofproto->ms);
2230 fwd_change = stp_forward_in_state(ofport->stp_state)
2231 != stp_forward_in_state(state);
2233 ofproto->backer->need_revalidate = REV_STP;
2234 ofport->stp_state = state;
2235 ofport->stp_state_entered = time_msec();
2237 if (fwd_change && ofport->bundle) {
2238 bundle_update(ofport->bundle);
2241 /* Update the STP state bits in the OpenFlow port description. */
2242 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2243 of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN
2244 : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN
2245 : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2246 : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK
2248 ofproto_port_set_state(&ofport->up, of_state);
2252 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2253 * caller is responsible for assigning STP port numbers and ensuring
2254 * there are no duplicates. */
2256 set_stp_port(struct ofport *ofport_,
2257 const struct ofproto_port_stp_settings *s)
2259 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2260 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2261 struct stp_port *sp = ofport->stp_port;
2263 if (!s || !s->enable) {
2265 ofport->stp_port = NULL;
2266 stp_port_disable(sp);
2267 update_stp_port_state(ofport);
2270 } else if (sp && stp_port_no(sp) != s->port_num
2271 && ofport == stp_port_get_aux(sp)) {
2272 /* The port-id changed, so disable the old one if it's not
2273 * already in use by another port. */
2274 stp_port_disable(sp);
2277 sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
2279 /* Set name before enabling the port so that debugging messages can print
2281 stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
2282 stp_port_enable(sp);
2284 stp_port_set_aux(sp, ofport);
2285 stp_port_set_priority(sp, s->priority);
2286 stp_port_set_path_cost(sp, s->path_cost);
2288 update_stp_port_state(ofport);
2294 get_stp_port_status(struct ofport *ofport_,
2295 struct ofproto_port_stp_status *s)
2297 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2298 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2299 struct stp_port *sp = ofport->stp_port;
2301 if (!ofproto->stp || !sp) {
2307 s->port_id = stp_port_get_id(sp);
2308 s->state = stp_port_get_state(sp);
2309 s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
2310 s->role = stp_port_get_role(sp);
2316 get_stp_port_stats(struct ofport *ofport_,
2317 struct ofproto_port_stp_stats *s)
2319 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2320 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2321 struct stp_port *sp = ofport->stp_port;
2323 if (!ofproto->stp || !sp) {
2329 stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
2335 stp_run(struct ofproto_dpif *ofproto)
2338 long long int now = time_msec();
2339 long long int elapsed = now - ofproto->stp_last_tick;
2340 struct stp_port *sp;
2343 stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
2344 ofproto->stp_last_tick = now;
2346 while (stp_get_changed_port(ofproto->stp, &sp)) {
2347 struct ofport_dpif *ofport = stp_port_get_aux(sp);
2350 update_stp_port_state(ofport);
2354 if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
2355 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2356 mac_learning_flush(ofproto->ml);
2357 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2358 mcast_snooping_mdb_flush(ofproto->ms);
2364 stp_wait(struct ofproto_dpif *ofproto)
2367 poll_timer_wait(1000);
2371 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2372 * caller is responsible for assigning RSTP port numbers and ensuring
2373 * there are no duplicates. */
2375 set_rstp_port(struct ofport *ofport_,
2376 const struct ofproto_port_rstp_settings *s)
2378 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2379 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2380 struct rstp_port *rp = ofport->rstp_port;
2382 if (!s || !s->enable) {
2384 rstp_port_unref(rp);
2385 ofport->rstp_port = NULL;
2386 update_rstp_port_state(ofport);
2391 /* Check if need to add a new port. */
2393 rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
2396 rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
2397 s->admin_edge_port, s->auto_edge, s->mcheck, ofport);
2398 update_rstp_port_state(ofport);
2399 /* Synchronize operational status. */
2400 rstp_port_set_mac_operational(rp, ofport->may_enable);
2404 get_rstp_port_status(struct ofport *ofport_,
2405 struct ofproto_port_rstp_status *s)
2407 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2408 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2409 struct rstp_port *rp = ofport->rstp_port;
2411 if (!ofproto->rstp || !rp) {
2417 rstp_port_get_status(rp, &s->port_id, &s->state, &s->role, &s->tx_count,
2418 &s->rx_count, &s->error_count, &s->uptime);
2423 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
2426 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2427 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2429 if (ofport->n_qdscp != n_qdscp
2430 || (n_qdscp && memcmp(ofport->qdscp, qdscp,
2431 n_qdscp * sizeof *qdscp))) {
2432 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2433 free(ofport->qdscp);
2434 ofport->qdscp = n_qdscp
2435 ? xmemdup(qdscp, n_qdscp * sizeof *qdscp)
2437 ofport->n_qdscp = n_qdscp;
2445 /* Expires all MAC learning entries associated with 'bundle' and forces its
2446 * ofproto to revalidate every flow.
2448 * Normally MAC learning entries are removed only from the ofproto associated
2449 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2450 * are removed from every ofproto. When patch ports and SLB bonds are in use
2451 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2452 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2453 * with the host from which it migrated. */
2455 bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
2457 struct ofproto_dpif *ofproto = bundle->ofproto;
2458 struct mac_learning *ml = ofproto->ml;
2459 struct mac_entry *mac, *next_mac;
2461 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2462 ovs_rwlock_wrlock(&ml->rwlock);
2463 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2464 if (mac->port.p == bundle) {
2466 struct ofproto_dpif *o;
2468 HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
2470 struct mac_entry *e;
2472 ovs_rwlock_wrlock(&o->ml->rwlock);
2473 e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
2475 mac_learning_expire(o->ml, e);
2477 ovs_rwlock_unlock(&o->ml->rwlock);
2482 mac_learning_expire(ml, mac);
2485 ovs_rwlock_unlock(&ml->rwlock);
2488 static struct ofbundle *
2489 bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
2491 struct ofbundle *bundle;
2493 HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0),
2494 &ofproto->bundles) {
2495 if (bundle->aux == aux) {
2503 bundle_update(struct ofbundle *bundle)
2505 struct ofport_dpif *port;
2507 bundle->floodable = true;
2508 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2509 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2511 || !stp_forward_in_state(port->stp_state)) {
2512 bundle->floodable = false;
2519 bundle_del_port(struct ofport_dpif *port)
2521 struct ofbundle *bundle = port->bundle;
2523 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2525 list_remove(&port->bundle_node);
2526 port->bundle = NULL;
2529 lacp_slave_unregister(bundle->lacp, port);
2532 bond_slave_unregister(bundle->bond, port);
2535 bundle_update(bundle);
2539 bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port,
2540 struct lacp_slave_settings *lacp)
2542 struct ofport_dpif *port;
2544 port = get_ofp_port(bundle->ofproto, ofp_port);
2549 if (port->bundle != bundle) {
2550 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2552 bundle_remove(&port->up);
2555 port->bundle = bundle;
2556 list_push_back(&bundle->ports, &port->bundle_node);
2557 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2559 || !stp_forward_in_state(port->stp_state)) {
2560 bundle->floodable = false;
2564 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2565 lacp_slave_register(bundle->lacp, port, lacp);
2572 bundle_destroy(struct ofbundle *bundle)
2574 struct ofproto_dpif *ofproto;
2575 struct ofport_dpif *port, *next_port;
2581 ofproto = bundle->ofproto;
2582 mbridge_unregister_bundle(ofproto->mbridge, bundle->aux);
2585 xlate_bundle_remove(bundle);
2588 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2589 bundle_del_port(port);
2592 bundle_flush_macs(bundle, true);
2593 hmap_remove(&ofproto->bundles, &bundle->hmap_node);
2595 free(bundle->trunks);
2596 lacp_unref(bundle->lacp);
2597 bond_unref(bundle->bond);
2602 bundle_set(struct ofproto *ofproto_, void *aux,
2603 const struct ofproto_bundle_settings *s)
2605 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2606 bool need_flush = false;
2607 struct ofport_dpif *port;
2608 struct ofbundle *bundle;
2609 unsigned long *trunks;
2615 bundle_destroy(bundle_lookup(ofproto, aux));
2619 ovs_assert(s->n_slaves == 1 || s->bond != NULL);
2620 ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL));
2622 bundle = bundle_lookup(ofproto, aux);
2624 bundle = xmalloc(sizeof *bundle);
2626 bundle->ofproto = ofproto;
2627 hmap_insert(&ofproto->bundles, &bundle->hmap_node,
2628 hash_pointer(aux, 0));
2630 bundle->name = NULL;
2632 list_init(&bundle->ports);
2633 bundle->vlan_mode = PORT_VLAN_TRUNK;
2635 bundle->trunks = NULL;
2636 bundle->use_priority_tags = s->use_priority_tags;
2637 bundle->lacp = NULL;
2638 bundle->bond = NULL;
2640 bundle->floodable = true;
2641 mbridge_register_bundle(ofproto->mbridge, bundle);
2644 if (!bundle->name || strcmp(s->name, bundle->name)) {
2646 bundle->name = xstrdup(s->name);
2651 ofproto->lacp_enabled = true;
2652 if (!bundle->lacp) {
2653 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2654 bundle->lacp = lacp_create();
2656 lacp_configure(bundle->lacp, s->lacp);
2658 lacp_unref(bundle->lacp);
2659 bundle->lacp = NULL;
2662 /* Update set of ports. */
2664 for (i = 0; i < s->n_slaves; i++) {
2665 if (!bundle_add_port(bundle, s->slaves[i],
2666 s->lacp ? &s->lacp_slaves[i] : NULL)) {
2670 if (!ok || list_size(&bundle->ports) != s->n_slaves) {
2671 struct ofport_dpif *next_port;
2673 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2674 for (i = 0; i < s->n_slaves; i++) {
2675 if (s->slaves[i] == port->up.ofp_port) {
2680 bundle_del_port(port);
2684 ovs_assert(list_size(&bundle->ports) <= s->n_slaves);
2686 if (list_is_empty(&bundle->ports)) {
2687 bundle_destroy(bundle);
2691 /* Set VLAN tagging mode */
2692 if (s->vlan_mode != bundle->vlan_mode
2693 || s->use_priority_tags != bundle->use_priority_tags) {
2694 bundle->vlan_mode = s->vlan_mode;
2695 bundle->use_priority_tags = s->use_priority_tags;
2700 vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1
2701 : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan
2703 if (vlan != bundle->vlan) {
2704 bundle->vlan = vlan;
2708 /* Get trunked VLANs. */
2709 switch (s->vlan_mode) {
2710 case PORT_VLAN_ACCESS:
2714 case PORT_VLAN_TRUNK:
2715 trunks = CONST_CAST(unsigned long *, s->trunks);
2718 case PORT_VLAN_NATIVE_UNTAGGED:
2719 case PORT_VLAN_NATIVE_TAGGED:
2720 if (vlan != 0 && (!s->trunks
2721 || !bitmap_is_set(s->trunks, vlan)
2722 || bitmap_is_set(s->trunks, 0))) {
2723 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2725 trunks = bitmap_clone(s->trunks, 4096);
2727 trunks = bitmap_allocate1(4096);
2729 bitmap_set1(trunks, vlan);
2730 bitmap_set0(trunks, 0);
2732 trunks = CONST_CAST(unsigned long *, s->trunks);
2739 if (!vlan_bitmap_equal(trunks, bundle->trunks)) {
2740 free(bundle->trunks);
2741 if (trunks == s->trunks) {
2742 bundle->trunks = vlan_bitmap_clone(trunks);
2744 bundle->trunks = trunks;
2749 if (trunks != s->trunks) {
2754 if (!list_is_short(&bundle->ports)) {
2755 bundle->ofproto->has_bonded_bundles = true;
2757 if (bond_reconfigure(bundle->bond, s->bond)) {
2758 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2761 bundle->bond = bond_create(s->bond, ofproto);
2762 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2765 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2766 bond_slave_register(bundle->bond, port,
2767 port->up.ofp_port, port->up.netdev);
2770 bond_unref(bundle->bond);
2771 bundle->bond = NULL;
2774 /* If we changed something that would affect MAC learning, un-learn
2775 * everything on this port and force flow revalidation. */
2777 bundle_flush_macs(bundle, false);
2784 bundle_remove(struct ofport *port_)
2786 struct ofport_dpif *port = ofport_dpif_cast(port_);
2787 struct ofbundle *bundle = port->bundle;
2790 bundle_del_port(port);
2791 if (list_is_empty(&bundle->ports)) {
2792 bundle_destroy(bundle);
2793 } else if (list_is_short(&bundle->ports)) {
2794 bond_unref(bundle->bond);
2795 bundle->bond = NULL;
2801 send_pdu_cb(void *port_, const void *pdu, size_t pdu_size)
2803 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
2804 struct ofport_dpif *port = port_;
2805 uint8_t ea[ETH_ADDR_LEN];
2808 error = netdev_get_etheraddr(port->up.netdev, ea);
2810 struct ofpbuf packet;
2813 ofpbuf_init(&packet, 0);
2814 packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
2816 memcpy(packet_pdu, pdu, pdu_size);
2818 ofproto_dpif_send_packet(port, &packet);
2819 ofpbuf_uninit(&packet);
2821 VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
2822 "%s (%s)", port->bundle->name,
2823 netdev_get_name(port->up.netdev), ovs_strerror(error));
2828 bundle_send_learning_packets(struct ofbundle *bundle)
2830 struct ofproto_dpif *ofproto = bundle->ofproto;
2831 struct ofpbuf *learning_packet;
2832 int error, n_packets, n_errors;
2833 struct mac_entry *e;
2834 struct list packets;
2836 list_init(&packets);
2837 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
2838 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
2839 if (e->port.p != bundle) {
2842 learning_packet = bond_compose_learning_packet(bundle->bond,
2845 /* Temporarily use 'frame' as a private pointer (see below). */
2846 ovs_assert(learning_packet->frame == ofpbuf_data(learning_packet));
2847 learning_packet->frame = port_void;
2848 list_push_back(&packets, &learning_packet->list_node);
2851 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2853 error = n_packets = n_errors = 0;
2854 LIST_FOR_EACH (learning_packet, list_node, &packets) {
2856 void *port_void = learning_packet->frame;
2858 /* Restore 'frame'. */
2859 learning_packet->frame = ofpbuf_data(learning_packet);
2860 ret = ofproto_dpif_send_packet(port_void, learning_packet);
2867 ofpbuf_list_delete(&packets);
2870 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2871 VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
2872 "packets, last error was: %s",
2873 bundle->name, n_errors, n_packets, ovs_strerror(error));
2875 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
2876 bundle->name, n_packets);
2881 bundle_run(struct ofbundle *bundle)
2884 lacp_run(bundle->lacp, send_pdu_cb);
2887 struct ofport_dpif *port;
2889 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2890 bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
2893 if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
2894 bundle->ofproto->backer->need_revalidate = REV_BOND;
2897 if (bond_should_send_learning_packets(bundle->bond)) {
2898 bundle_send_learning_packets(bundle);
2904 bundle_wait(struct ofbundle *bundle)
2907 lacp_wait(bundle->lacp);
2910 bond_wait(bundle->bond);
2917 mirror_set__(struct ofproto *ofproto_, void *aux,
2918 const struct ofproto_mirror_settings *s)
2920 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2921 struct ofbundle **srcs, **dsts;
2926 mirror_destroy(ofproto->mbridge, aux);
2930 srcs = xmalloc(s->n_srcs * sizeof *srcs);
2931 dsts = xmalloc(s->n_dsts * sizeof *dsts);
2933 for (i = 0; i < s->n_srcs; i++) {
2934 srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
2937 for (i = 0; i < s->n_dsts; i++) {
2938 dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
2941 error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
2942 s->n_dsts, s->src_vlans,
2943 bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
2950 mirror_get_stats__(struct ofproto *ofproto, void *aux,
2951 uint64_t *packets, uint64_t *bytes)
2953 return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
2958 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
2960 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2961 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2962 if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
2963 mac_learning_flush(ofproto->ml);
2965 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2970 is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
2972 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2973 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
2974 return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
2978 forward_bpdu_changed(struct ofproto *ofproto_)
2980 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2981 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2985 set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
2988 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2989 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2990 mac_learning_set_idle_time(ofproto->ml, idle_time);
2991 mac_learning_set_max_entries(ofproto->ml, max_entries);
2992 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2995 /* Configures multicast snooping on 'ofport' using the settings
2996 * defined in 's'. */
2998 set_mcast_snooping(struct ofproto *ofproto_,
2999 const struct ofproto_mcast_snooping_settings *s)
3001 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3003 /* Only revalidate flows if the configuration changed. */
3004 if (!s != !ofproto->ms) {
3005 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3010 ofproto->ms = mcast_snooping_create();
3013 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3014 mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
3015 mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
3016 if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
3017 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3019 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3021 mcast_snooping_unref(ofproto->ms);
3028 /* Configures multicast snooping port's flood setting on 'ofproto'. */
3030 set_mcast_snooping_port(struct ofproto *ofproto_, void *aux, bool flood)
3032 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3033 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3036 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3037 mcast_snooping_set_port_flood(ofproto->ms, bundle->vlan, bundle,
3039 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3047 static struct ofport_dpif *
3048 get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
3050 struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port);
3051 return ofport ? ofport_dpif_cast(ofport) : NULL;
3055 ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto,
3056 struct ofproto_port *ofproto_port,
3057 struct dpif_port *dpif_port)
3059 ofproto_port->name = dpif_port->name;
3060 ofproto_port->type = dpif_port->type;
3061 ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
3065 ofport_update_peer(struct ofport_dpif *ofport)
3067 const struct ofproto_dpif *ofproto;
3068 struct dpif_backer *backer;
3071 if (!netdev_vport_is_patch(ofport->up.netdev)) {
3075 backer = ofproto_dpif_cast(ofport->up.ofproto)->backer;
3076 backer->need_revalidate = REV_RECONFIGURE;
3079 ofport->peer->peer = NULL;
3080 ofport->peer = NULL;
3083 peer_name = netdev_vport_patch_peer(ofport->up.netdev);
3088 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
3089 struct ofport *peer_ofport;
3090 struct ofport_dpif *peer;
3093 if (ofproto->backer != backer) {
3097 peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name);
3102 peer = ofport_dpif_cast(peer_ofport);
3103 peer_peer = netdev_vport_patch_peer(peer->up.netdev);
3104 if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev),
3106 ofport->peer = peer;
3107 ofport->peer->peer = ofport;
3117 port_run(struct ofport_dpif *ofport)
3119 long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev);
3120 bool carrier_changed = carrier_seq != ofport->carrier_seq;
3121 bool enable = netdev_get_carrier(ofport->up.netdev);
3122 bool cfm_enable = false;
3123 bool bfd_enable = false;
3125 ofport->carrier_seq = carrier_seq;
3128 int cfm_opup = cfm_get_opup(ofport->cfm);
3130 cfm_enable = !cfm_get_fault(ofport->cfm);
3132 if (cfm_opup >= 0) {
3133 cfm_enable = cfm_enable && cfm_opup;
3138 bfd_enable = bfd_forwarding(ofport->bfd);
3141 if (ofport->bfd || ofport->cfm) {
3142 enable = enable && (cfm_enable || bfd_enable);
3145 if (ofport->bundle) {
3146 enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
3147 if (carrier_changed) {
3148 lacp_slave_carrier_changed(ofport->bundle->lacp, ofport);
3152 if (ofport->may_enable != enable) {
3153 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3155 ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
3157 if (ofport->rstp_port) {
3158 rstp_port_set_mac_operational(ofport->rstp_port, enable);
3162 ofport->may_enable = enable;
3166 port_query_by_name(const struct ofproto *ofproto_, const char *devname,
3167 struct ofproto_port *ofproto_port)
3169 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3170 struct dpif_port dpif_port;
3173 if (sset_contains(&ofproto->ghost_ports, devname)) {
3174 const char *type = netdev_get_type_from_name(devname);
3176 /* We may be called before ofproto->up.port_by_name is populated with
3177 * the appropriate ofport. For this reason, we must get the name and
3178 * type from the netdev layer directly. */
3180 const struct ofport *ofport;
3182 ofport = shash_find_data(&ofproto->up.port_by_name, devname);
3183 ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
3184 ofproto_port->name = xstrdup(devname);
3185 ofproto_port->type = xstrdup(type);
3191 if (!sset_contains(&ofproto->ports, devname)) {
3194 error = dpif_port_query_by_name(ofproto->backer->dpif,
3195 devname, &dpif_port);
3197 ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port);
3203 port_add(struct ofproto *ofproto_, struct netdev *netdev)
3205 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3206 const char *devname = netdev_get_name(netdev);
3207 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
3208 const char *dp_port_name;
3210 if (netdev_vport_is_patch(netdev)) {
3211 sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
3215 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
3216 if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
3217 odp_port_t port_no = ODPP_NONE;
3220 error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
3224 if (netdev_get_tunnel_config(netdev)) {
3225 simap_put(&ofproto->backer->tnl_backers,
3226 dp_port_name, odp_to_u32(port_no));
3230 if (netdev_get_tunnel_config(netdev)) {
3231 sset_add(&ofproto->ghost_ports, devname);
3233 sset_add(&ofproto->ports, devname);
3239 port_del(struct ofproto *ofproto_, ofp_port_t ofp_port)
3241 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3242 struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
3249 sset_find_and_delete(&ofproto->ghost_ports,
3250 netdev_get_name(ofport->up.netdev));
3251 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3252 if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) {
3253 error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
3255 /* The caller is going to close ofport->up.netdev. If this is a
3256 * bonded port, then the bond is using that netdev, so remove it
3257 * from the bond. The client will need to reconfigure everything
3258 * after deleting ports, so then the slave will get re-added. */
3259 bundle_remove(&ofport->up);
3266 port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
3268 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3271 error = netdev_get_stats(ofport->up.netdev, stats);
3273 if (!error && ofport_->ofp_port == OFPP_LOCAL) {
3274 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3276 ovs_mutex_lock(&ofproto->stats_mutex);
3277 /* ofproto->stats.tx_packets represents packets that we created
3278 * internally and sent to some port (e.g. packets sent with
3279 * ofproto_dpif_send_packet()). Account for them as if they had
3280 * come from OFPP_LOCAL and got forwarded. */
3282 if (stats->rx_packets != UINT64_MAX) {
3283 stats->rx_packets += ofproto->stats.tx_packets;
3286 if (stats->rx_bytes != UINT64_MAX) {
3287 stats->rx_bytes += ofproto->stats.tx_bytes;
3290 /* ofproto->stats.rx_packets represents packets that were received on
3291 * some port and we processed internally and dropped (e.g. STP).
3292 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3294 if (stats->tx_packets != UINT64_MAX) {
3295 stats->tx_packets += ofproto->stats.rx_packets;
3298 if (stats->tx_bytes != UINT64_MAX) {
3299 stats->tx_bytes += ofproto->stats.rx_bytes;
3301 ovs_mutex_unlock(&ofproto->stats_mutex);
3307 struct port_dump_state {
3312 struct ofproto_port port;
3317 port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
3319 *statep = xzalloc(sizeof(struct port_dump_state));
3324 port_dump_next(const struct ofproto *ofproto_, void *state_,
3325 struct ofproto_port *port)
3327 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3328 struct port_dump_state *state = state_;
3329 const struct sset *sset;
3330 struct sset_node *node;
3332 if (state->has_port) {
3333 ofproto_port_destroy(&state->port);
3334 state->has_port = false;
3336 sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
3337 while ((node = sset_at_position(sset, &state->bucket, &state->offset))) {
3340 error = port_query_by_name(ofproto_, node->name, &state->port);
3342 *port = state->port;
3343 state->has_port = true;
3345 } else if (error != ENODEV) {
3350 if (!state->ghost) {
3351 state->ghost = true;
3354 return port_dump_next(ofproto_, state_, port);
3361 port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_)
3363 struct port_dump_state *state = state_;
3365 if (state->has_port) {
3366 ofproto_port_destroy(&state->port);
3373 port_poll(const struct ofproto *ofproto_, char **devnamep)
3375 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3377 if (ofproto->port_poll_errno) {
3378 int error = ofproto->port_poll_errno;
3379 ofproto->port_poll_errno = 0;
3383 if (sset_is_empty(&ofproto->port_poll_set)) {
3387 *devnamep = sset_pop(&ofproto->port_poll_set);
3392 port_poll_wait(const struct ofproto *ofproto_)
3394 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3395 dpif_port_poll_wait(ofproto->backer->dpif);
3399 port_is_lacp_current(const struct ofport *ofport_)
3401 const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3402 return (ofport->bundle && ofport->bundle->lacp
3403 ? lacp_slave_is_current(ofport->bundle->lacp, ofport)
3407 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3408 * then delete it entirely. */
3410 rule_expire(struct rule_dpif *rule)
3411 OVS_REQUIRES(ofproto_mutex)
3413 uint16_t hard_timeout, idle_timeout;
3414 long long int now = time_msec();
3417 hard_timeout = rule->up.hard_timeout;
3418 idle_timeout = rule->up.idle_timeout;
3420 /* Has 'rule' expired? */
3422 long long int modified;
3424 ovs_mutex_lock(&rule->up.mutex);
3425 modified = rule->up.modified;
3426 ovs_mutex_unlock(&rule->up.mutex);
3428 if (now > modified + hard_timeout * 1000) {
3429 reason = OFPRR_HARD_TIMEOUT;
3433 if (reason < 0 && idle_timeout) {
3436 ovs_mutex_lock(&rule->stats_mutex);
3437 used = rule->stats.used;
3438 ovs_mutex_unlock(&rule->stats_mutex);
3440 if (now > used + idle_timeout * 1000) {
3441 reason = OFPRR_IDLE_TIMEOUT;
3446 COVERAGE_INC(ofproto_dpif_expired);
3447 ofproto_rule_expire(&rule->up, reason);
3451 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3452 * 'flow' must reflect the data in 'packet'. */
3454 ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
3455 const struct flow *flow,
3456 struct rule_dpif *rule,
3457 const struct ofpact *ofpacts, size_t ofpacts_len,
3458 struct ofpbuf *packet)
3460 struct dpif_flow_stats stats;
3461 struct xlate_out xout;
3462 struct xlate_in xin;
3464 struct dpif_execute execute;
3467 ovs_assert((rule != NULL) != (ofpacts != NULL));
3469 dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
3472 rule_dpif_credit_stats(rule, &stats);
3475 xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
3476 stats.tcp_flags, packet);
3477 xin.ofpacts = ofpacts;
3478 xin.ofpacts_len = ofpacts_len;
3479 xin.resubmit_stats = &stats;
3480 xlate_actions(&xin, &xout);
3482 execute.actions = ofpbuf_data(xout.odp_actions);
3483 execute.actions_len = ofpbuf_size(xout.odp_actions);
3484 execute.packet = packet;
3485 execute.md = pkt_metadata_from_flow(flow);
3486 execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
3487 execute.probe = false;
3489 /* Fix up in_port. */
3490 in_port = flow->in_port.ofp_port;
3491 if (in_port == OFPP_NONE) {
3492 in_port = OFPP_LOCAL;
3494 execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
3496 error = dpif_execute(ofproto->backer->dpif, &execute);
3498 xlate_out_uninit(&xout);
3504 rule_dpif_credit_stats(struct rule_dpif *rule,
3505 const struct dpif_flow_stats *stats)
3507 ovs_mutex_lock(&rule->stats_mutex);
3508 rule->stats.n_packets += stats->n_packets;
3509 rule->stats.n_bytes += stats->n_bytes;
3510 rule->stats.used = MAX(rule->stats.used, stats->used);
3511 ovs_mutex_unlock(&rule->stats_mutex);
3515 rule_dpif_get_flow_cookie(const struct rule_dpif *rule)
3516 OVS_REQUIRES(rule->up.mutex)
3518 return rule->up.flow_cookie;
3522 rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout,
3523 uint16_t hard_timeout)
3525 ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
3528 /* Returns 'rule''s actions. The caller owns a reference on the returned
3529 * actions and must eventually release it (with rule_actions_unref()) to avoid
3531 const struct rule_actions *
3532 rule_dpif_get_actions(const struct rule_dpif *rule)
3534 return rule_get_actions(&rule->up);
3537 /* Sets 'rule''s recirculation id. */
3539 rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
3540 OVS_REQUIRES(rule->up.mutex)
3542 ovs_assert(!rule->recirc_id);
3543 rule->recirc_id = id;
3546 /* Returns 'rule''s recirculation id. */
3548 rule_dpif_get_recirc_id(struct rule_dpif *rule)
3549 OVS_REQUIRES(rule->up.mutex)
3551 if (!rule->recirc_id) {
3552 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3554 rule_dpif_set_recirc_id(rule, ofproto_dpif_alloc_recirc_id(ofproto));
3556 return rule->recirc_id;
3559 /* Sets 'rule''s recirculation id. */
3561 rule_set_recirc_id(struct rule *rule_, uint32_t id)
3563 struct rule_dpif *rule = rule_dpif_cast(rule_);
3565 ovs_mutex_lock(&rule->up.mutex);
3566 rule_dpif_set_recirc_id(rule, id);
3567 ovs_mutex_unlock(&rule->up.mutex);
3570 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
3571 * If 'wc' is non-null, sets the fields that were relevant as part of
3572 * the lookup. Returns the table_id where a match or miss occurred.
3574 * The return value will be zero unless there was a miss and
3575 * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables
3576 * where misses occur.
3578 * The rule is returned in '*rule', which is valid at least until the next
3579 * RCU quiescent period. If the '*rule' needs to stay around longer,
3580 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3581 * on it before this returns. */
3583 rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow,
3584 struct flow_wildcards *wc, struct rule_dpif **rule,
3585 bool take_ref, const struct dpif_flow_stats *stats)
3587 enum rule_dpif_lookup_verdict verdict;
3588 enum ofputil_port_config config = 0;
3591 if (ofproto_dpif_get_enable_recirc(ofproto)) {
3592 /* Always exactly match recirc_id since datapath supports
3595 wc->masks.recirc_id = UINT32_MAX;
3598 /* Start looking up from internal table for post recirculation flows
3599 * or packets. We can also simply send all, including normal flows
3600 * or packets to the internal table. They will not match any post
3601 * recirculation rules except the 'catch all' rule that resubmit
3604 * As an optimization, we send normal flows and packets to table 0
3605 * directly, saving one table lookup. */
3606 table_id = flow->recirc_id ? TBL_INTERNAL : 0;
3611 verdict = rule_dpif_lookup_from_table(ofproto, flow, wc, true,
3612 &table_id, rule, take_ref, stats);
3615 case RULE_DPIF_LOOKUP_VERDICT_MATCH:
3617 case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER: {
3618 struct ofport_dpif *port;
3620 port = get_ofp_port(ofproto, flow->in_port.ofp_port);
3622 VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
3623 flow->in_port.ofp_port);
3625 config = port ? port->up.pp.config : 0;
3628 case RULE_DPIF_LOOKUP_VERDICT_DROP:
3629 config = OFPUTIL_PC_NO_PACKET_IN;
3631 case RULE_DPIF_LOOKUP_VERDICT_DEFAULT:
3632 if (!connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
3633 config = OFPUTIL_PC_NO_PACKET_IN;
3640 choose_miss_rule(config, ofproto->miss_rule,
3641 ofproto->no_packet_in_rule, rule, take_ref);
3645 /* The returned rule is valid at least until the next RCU quiescent period.
3646 * If the '*rule' needs to stay around longer, a non-zero 'take_ref' must be
3647 * passed in to cause a reference to be taken on it before this returns. */
3648 static struct rule_dpif *
3649 rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id,
3650 const struct flow *flow, struct flow_wildcards *wc,
3653 struct classifier *cls = &ofproto->up.tables[table_id].cls;
3654 const struct cls_rule *cls_rule;
3655 struct rule_dpif *rule;
3656 struct flow ofpc_normal_flow;
3658 if (ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
3659 /* We always unwildcard dl_type and nw_frag (for IP), so they
3660 * need not be unwildcarded here. */
3662 if (flow->nw_frag & FLOW_NW_FRAG_ANY) {
3663 if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
3664 /* We must pretend that transport ports are unavailable. */
3665 ofpc_normal_flow = *flow;
3666 ofpc_normal_flow.tp_src = htons(0);
3667 ofpc_normal_flow.tp_dst = htons(0);
3668 flow = &ofpc_normal_flow;
3670 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3671 * Use the drop_frags_rule (which cannot disappear). */
3672 cls_rule = &ofproto->drop_frags_rule->up.cr;
3673 rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
3675 rule_dpif_ref(rule);
3683 cls_rule = classifier_lookup(cls, flow, wc);
3685 rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
3687 /* Try again if the rule was released before we get the reference. */
3688 } while (rule && take_ref && !rule_dpif_try_ref(rule));
3693 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3694 * Stores the rule that was found in '*rule', or NULL if none was found.
3695 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3698 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3699 * if none is found then the table miss configuration for that table is
3700 * honored, which can result in additional lookups in other OpenFlow tables.
3701 * In this case the function updates '*table_id' to reflect the final OpenFlow
3702 * table that was searched.
3704 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3709 * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found.
3711 * - RULE_OFPTC_TABLE_MISS_CONTROLLER if no rule was found and either:
3712 * + 'honor_table_miss' is false
3713 * + a table miss configuration specified that the packet should be
3714 * sent to the controller in this case.
3716 * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found, 'honor_table_miss'
3717 * is true and a table miss configuration specified that the packet
3718 * should be dropped in this case.
3720 * - RULE_DPIF_LOOKUP_VERDICT_DEFAULT if no rule was found,
3721 * 'honor_table_miss' is true and a table miss configuration has
3722 * not been specified in this case.
3724 * The rule is returned in '*rule', which is valid at least until the next
3725 * RCU quiescent period. If the '*rule' needs to stay around longer,
3726 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3727 * on it before this returns. */
3728 enum rule_dpif_lookup_verdict
3729 rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto,
3730 const struct flow *flow,
3731 struct flow_wildcards *wc,
3732 bool honor_table_miss,
3733 uint8_t *table_id, struct rule_dpif **rule,
3734 bool take_ref, const struct dpif_flow_stats *stats)
3738 for (next_id = *table_id;
3739 next_id < ofproto->up.n_tables;
3740 next_id++, next_id += (next_id == TBL_INTERNAL))
3742 *table_id = next_id;
3743 *rule = rule_dpif_lookup_in_table(ofproto, *table_id, flow, wc,
3746 struct oftable *tbl = &ofproto->up.tables[next_id];
3749 atomic_add_relaxed(*rule ? &tbl->n_matched : &tbl->n_missed,
3750 stats->n_packets, &orig);
3753 return RULE_DPIF_LOOKUP_VERDICT_MATCH;
3754 } else if (!honor_table_miss) {
3755 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
3757 switch (ofproto_table_get_miss_config(&ofproto->up, *table_id)) {
3758 case OFPUTIL_TABLE_MISS_CONTINUE:
3761 case OFPUTIL_TABLE_MISS_CONTROLLER:
3762 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
3764 case OFPUTIL_TABLE_MISS_DROP:
3765 return RULE_DPIF_LOOKUP_VERDICT_DROP;
3767 case OFPUTIL_TABLE_MISS_DEFAULT:
3768 return RULE_DPIF_LOOKUP_VERDICT_DEFAULT;
3773 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER;
3776 /* Given a port configuration (specified as zero if there's no port), chooses
3777 * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a
3780 * The rule is returned in '*rule', which is valid at least until the next
3781 * RCU quiescent period. If the '*rule' needs to stay around longer,
3782 * a reference must be taken on it (rule_dpif_ref()).
3785 choose_miss_rule(enum ofputil_port_config config, struct rule_dpif *miss_rule,
3786 struct rule_dpif *no_packet_in_rule, struct rule_dpif **rule,
3789 *rule = config & OFPUTIL_PC_NO_PACKET_IN ? no_packet_in_rule : miss_rule;
3791 rule_dpif_ref(*rule);
3796 complete_operation(struct rule_dpif *rule)
3797 OVS_REQUIRES(ofproto_mutex)
3799 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3801 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
3804 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
3806 return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL;
3809 static struct rule *
3812 struct rule_dpif *rule = xmalloc(sizeof *rule);
3817 rule_dealloc(struct rule *rule_)
3819 struct rule_dpif *rule = rule_dpif_cast(rule_);
3824 rule_construct(struct rule *rule_)
3825 OVS_NO_THREAD_SAFETY_ANALYSIS
3827 struct rule_dpif *rule = rule_dpif_cast(rule_);
3828 ovs_mutex_init_adaptive(&rule->stats_mutex);
3829 rule->stats.n_packets = 0;
3830 rule->stats.n_bytes = 0;
3831 rule->stats.used = rule->up.modified;
3832 rule->recirc_id = 0;
3838 rule_insert(struct rule *rule_)
3839 OVS_REQUIRES(ofproto_mutex)
3841 struct rule_dpif *rule = rule_dpif_cast(rule_);
3842 complete_operation(rule);
3847 rule_delete(struct rule *rule_)
3848 OVS_REQUIRES(ofproto_mutex)
3850 struct rule_dpif *rule = rule_dpif_cast(rule_);
3851 complete_operation(rule);
3855 rule_destruct(struct rule *rule_)
3857 struct rule_dpif *rule = rule_dpif_cast(rule_);
3859 ovs_mutex_destroy(&rule->stats_mutex);
3860 if (rule->recirc_id) {
3861 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3863 ofproto_dpif_free_recirc_id(ofproto, rule->recirc_id);
3868 rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes,
3869 long long int *used)
3871 struct rule_dpif *rule = rule_dpif_cast(rule_);
3873 ovs_mutex_lock(&rule->stats_mutex);
3874 *packets = rule->stats.n_packets;
3875 *bytes = rule->stats.n_bytes;
3876 *used = rule->stats.used;
3877 ovs_mutex_unlock(&rule->stats_mutex);
3881 rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
3882 struct ofpbuf *packet)
3884 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3886 ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet);
3890 rule_execute(struct rule *rule, const struct flow *flow,
3891 struct ofpbuf *packet)
3893 rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
3894 ofpbuf_delete(packet);
3899 rule_modify_actions(struct rule *rule_, bool reset_counters)
3900 OVS_REQUIRES(ofproto_mutex)
3902 struct rule_dpif *rule = rule_dpif_cast(rule_);
3904 if (reset_counters) {
3905 ovs_mutex_lock(&rule->stats_mutex);
3906 rule->stats.n_packets = 0;
3907 rule->stats.n_bytes = 0;
3908 ovs_mutex_unlock(&rule->stats_mutex);
3911 complete_operation(rule);
3914 static struct group_dpif *group_dpif_cast(const struct ofgroup *group)
3916 return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL;
3919 static struct ofgroup *
3922 struct group_dpif *group = xzalloc(sizeof *group);
3927 group_dealloc(struct ofgroup *group_)
3929 struct group_dpif *group = group_dpif_cast(group_);
3934 group_construct_stats(struct group_dpif *group)
3935 OVS_REQUIRES(group->stats_mutex)
3937 struct ofputil_bucket *bucket;
3938 const struct list *buckets;
3940 group->packet_count = 0;
3941 group->byte_count = 0;
3943 group_dpif_get_buckets(group, &buckets);
3944 LIST_FOR_EACH (bucket, list_node, buckets) {
3945 bucket->stats.packet_count = 0;
3946 bucket->stats.byte_count = 0;
3951 group_dpif_credit_stats(struct group_dpif *group,
3952 struct ofputil_bucket *bucket,
3953 const struct dpif_flow_stats *stats)
3955 ovs_mutex_lock(&group->stats_mutex);
3956 group->packet_count += stats->n_packets;
3957 group->byte_count += stats->n_bytes;
3959 bucket->stats.packet_count += stats->n_packets;
3960 bucket->stats.byte_count += stats->n_bytes;
3961 } else { /* Credit to all buckets */
3962 const struct list *buckets;
3964 group_dpif_get_buckets(group, &buckets);
3965 LIST_FOR_EACH (bucket, list_node, buckets) {
3966 bucket->stats.packet_count += stats->n_packets;
3967 bucket->stats.byte_count += stats->n_bytes;
3970 ovs_mutex_unlock(&group->stats_mutex);
3974 group_construct(struct ofgroup *group_)
3976 struct group_dpif *group = group_dpif_cast(group_);
3977 const struct ofputil_bucket *bucket;
3979 /* Prevent group chaining because our locking structure makes it hard to
3980 * implement deadlock-free. (See xlate_group_resource_check().) */
3981 LIST_FOR_EACH (bucket, list_node, &group->up.buckets) {
3982 const struct ofpact *a;
3984 OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) {
3985 if (a->type == OFPACT_GROUP) {
3986 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED;
3991 ovs_mutex_init_adaptive(&group->stats_mutex);
3992 ovs_mutex_lock(&group->stats_mutex);
3993 group_construct_stats(group);
3994 ovs_mutex_unlock(&group->stats_mutex);
3999 group_destruct(struct ofgroup *group_)
4001 struct group_dpif *group = group_dpif_cast(group_);
4002 ovs_mutex_destroy(&group->stats_mutex);
4006 group_modify(struct ofgroup *group_)
4008 struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto);
4010 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
4016 group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs)
4018 struct group_dpif *group = group_dpif_cast(group_);
4019 struct ofputil_bucket *bucket;
4020 const struct list *buckets;
4021 struct bucket_counter *bucket_stats;
4023 ovs_mutex_lock(&group->stats_mutex);
4024 ogs->packet_count = group->packet_count;
4025 ogs->byte_count = group->byte_count;
4027 group_dpif_get_buckets(group, &buckets);
4028 bucket_stats = ogs->bucket_stats;
4029 LIST_FOR_EACH (bucket, list_node, buckets) {
4030 bucket_stats->packet_count = bucket->stats.packet_count;
4031 bucket_stats->byte_count = bucket->stats.byte_count;
4034 ovs_mutex_unlock(&group->stats_mutex);
4039 /* If the group exists, this function increments the groups's reference count.
4041 * Make sure to call group_dpif_unref() after no longer needing to maintain
4042 * a reference to the group. */
4044 group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id,
4045 struct group_dpif **group)
4047 struct ofgroup *ofgroup;
4050 found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup);
4051 *group = found ? group_dpif_cast(ofgroup) : NULL;
4057 group_dpif_get_buckets(const struct group_dpif *group,
4058 const struct list **buckets)
4060 *buckets = &group->up.buckets;
4063 enum ofp11_group_type
4064 group_dpif_get_type(const struct group_dpif *group)
4066 return group->up.type;
4069 /* Sends 'packet' out 'ofport'.
4070 * May modify 'packet'.
4071 * Returns 0 if successful, otherwise a positive errno value. */
4073 ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet)
4075 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
4078 error = xlate_send_packet(ofport, packet);
4080 ovs_mutex_lock(&ofproto->stats_mutex);
4081 ofproto->stats.tx_packets++;
4082 ofproto->stats.tx_bytes += ofpbuf_size(packet);
4083 ovs_mutex_unlock(&ofproto->stats_mutex);
4088 set_frag_handling(struct ofproto *ofproto_,
4089 enum ofp_config_flags frag_handling)
4091 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4092 if (frag_handling != OFPC_FRAG_REASM) {
4093 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4101 packet_out(struct ofproto *ofproto_, struct ofpbuf *packet,
4102 const struct flow *flow,
4103 const struct ofpact *ofpacts, size_t ofpacts_len)
4105 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4107 ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts,
4108 ofpacts_len, packet);
4115 set_netflow(struct ofproto *ofproto_,
4116 const struct netflow_options *netflow_options)
4118 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4120 if (netflow_options) {
4121 if (!ofproto->netflow) {
4122 ofproto->netflow = netflow_create();
4123 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4125 return netflow_set_options(ofproto->netflow, netflow_options);
4126 } else if (ofproto->netflow) {
4127 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4128 netflow_unref(ofproto->netflow);
4129 ofproto->netflow = NULL;
4136 get_netflow_ids(const struct ofproto *ofproto_,
4137 uint8_t *engine_type, uint8_t *engine_id)
4139 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4141 dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id);
4144 static struct ofproto_dpif *
4145 ofproto_dpif_lookup(const char *name)
4147 struct ofproto_dpif *ofproto;
4149 HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
4150 hash_string(name, 0), &all_ofproto_dpifs) {
4151 if (!strcmp(ofproto->up.name, name)) {
4159 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
4160 const char *argv[], void *aux OVS_UNUSED)
4162 struct ofproto_dpif *ofproto;
4165 ofproto = ofproto_dpif_lookup(argv[1]);
4167 unixctl_command_reply_error(conn, "no such bridge");
4170 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4171 mac_learning_flush(ofproto->ml);
4172 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4174 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4175 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4176 mac_learning_flush(ofproto->ml);
4177 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4181 unixctl_command_reply(conn, "table successfully flushed");
4185 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
4186 const char *argv[], void *aux OVS_UNUSED)
4188 struct ofproto_dpif *ofproto;
4191 ofproto = ofproto_dpif_lookup(argv[1]);
4193 unixctl_command_reply_error(conn, "no such bridge");
4197 if (!mcast_snooping_enabled(ofproto->ms)) {
4198 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4201 mcast_snooping_mdb_flush(ofproto->ms);
4203 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4204 if (!mcast_snooping_enabled(ofproto->ms)) {
4207 mcast_snooping_mdb_flush(ofproto->ms);
4211 unixctl_command_reply(conn, "table successfully flushed");
4214 static struct ofport_dpif *
4215 ofbundle_get_a_port(const struct ofbundle *bundle)
4217 return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif,
4222 ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4223 const char *argv[], void *aux OVS_UNUSED)
4225 struct ds ds = DS_EMPTY_INITIALIZER;
4226 const struct ofproto_dpif *ofproto;
4227 const struct mac_entry *e;
4229 ofproto = ofproto_dpif_lookup(argv[1]);
4231 unixctl_command_reply_error(conn, "no such bridge");
4235 ds_put_cstr(&ds, " port VLAN MAC Age\n");
4236 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
4237 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
4238 struct ofbundle *bundle = e->port.p;
4239 char name[OFP_MAX_PORT_NAME_LEN];
4241 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4243 ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n",
4244 name, e->vlan, ETH_ADDR_ARGS(e->mac),
4245 mac_entry_age(ofproto->ml, e));
4247 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4248 unixctl_command_reply(conn, ds_cstr(&ds));
4253 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
4254 int argc OVS_UNUSED,
4256 void *aux OVS_UNUSED)
4258 struct ds ds = DS_EMPTY_INITIALIZER;
4259 const struct ofproto_dpif *ofproto;
4260 const struct ofbundle *bundle;
4261 const struct mcast_group *grp;
4262 struct mcast_group_bundle *b;
4263 struct mcast_mrouter_bundle *mrouter;
4265 ofproto = ofproto_dpif_lookup(argv[1]);
4267 unixctl_command_reply_error(conn, "no such bridge");
4271 if (!mcast_snooping_enabled(ofproto->ms)) {
4272 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4276 ds_put_cstr(&ds, " port VLAN GROUP Age\n");
4277 ovs_rwlock_rdlock(&ofproto->ms->rwlock);
4278 LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
4279 LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
4280 char name[OFP_MAX_PORT_NAME_LEN];
4283 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4285 ds_put_format(&ds, "%5s %4d "IP_FMT" %3d\n",
4286 name, grp->vlan, IP_ARGS(grp->ip4),
4287 mcast_bundle_age(ofproto->ms, b));
4291 /* ports connected to multicast routers */
4292 LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
4293 char name[OFP_MAX_PORT_NAME_LEN];
4295 bundle = mrouter->port;
4296 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4298 ds_put_format(&ds, "%5s %4d querier %3d\n",
4299 name, mrouter->vlan,
4300 mcast_mrouter_age(ofproto->ms, mrouter));
4302 ovs_rwlock_unlock(&ofproto->ms->rwlock);
4303 unixctl_command_reply(conn, ds_cstr(&ds));
4308 struct xlate_out xout;
4309 struct xlate_in xin;
4310 const struct flow *key;
4312 struct flow_wildcards wc;
4317 trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule)
4319 const struct rule_actions *actions;
4322 ds_put_char_multiple(result, '\t', level);
4324 ds_put_cstr(result, "No match\n");
4328 ovs_mutex_lock(&rule->up.mutex);
4329 cookie = rule->up.flow_cookie;
4330 ovs_mutex_unlock(&rule->up.mutex);
4332 ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ",
4333 rule ? rule->up.table_id : 0, ntohll(cookie));
4334 cls_rule_format(&rule->up.cr, result);
4335 ds_put_char(result, '\n');
4337 actions = rule_dpif_get_actions(rule);
4339 ds_put_char_multiple(result, '\t', level);
4340 ds_put_cstr(result, "OpenFlow actions=");
4341 ofpacts_format(actions->ofpacts, actions->ofpacts_len, result);
4342 ds_put_char(result, '\n');
4346 trace_format_flow(struct ds *result, int level, const char *title,
4347 struct trace_ctx *trace)
4349 ds_put_char_multiple(result, '\t', level);
4350 ds_put_format(result, "%s: ", title);
4351 /* Do not report unchanged flows for resubmits. */
4352 if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow))
4353 || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) {
4354 ds_put_cstr(result, "unchanged");
4356 flow_format(result, &trace->xin.flow);
4357 trace->flow = trace->xin.flow;
4359 ds_put_char(result, '\n');
4363 trace_format_regs(struct ds *result, int level, const char *title,
4364 struct trace_ctx *trace)
4368 ds_put_char_multiple(result, '\t', level);
4369 ds_put_format(result, "%s:", title);
4370 for (i = 0; i < FLOW_N_REGS; i++) {
4371 ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
4373 ds_put_char(result, '\n');
4377 trace_format_odp(struct ds *result, int level, const char *title,
4378 struct trace_ctx *trace)
4380 struct ofpbuf *odp_actions = trace->xout.odp_actions;
4382 ds_put_char_multiple(result, '\t', level);
4383 ds_put_format(result, "%s: ", title);
4384 format_odp_actions(result, ofpbuf_data(odp_actions),
4385 ofpbuf_size(odp_actions));
4386 ds_put_char(result, '\n');
4390 trace_format_megaflow(struct ds *result, int level, const char *title,
4391 struct trace_ctx *trace)
4395 ds_put_char_multiple(result, '\t', level);
4396 ds_put_format(result, "%s: ", title);
4397 flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc);
4398 match_init(&match, trace->key, &trace->wc);
4399 match_format(&match, result, OFP_DEFAULT_PRIORITY);
4400 ds_put_char(result, '\n');
4404 trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse)
4406 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4407 struct ds *result = trace->result;
4409 ds_put_char(result, '\n');
4410 trace_format_flow(result, recurse + 1, "Resubmitted flow", trace);
4411 trace_format_regs(result, recurse + 1, "Resubmitted regs", trace);
4412 trace_format_odp(result, recurse + 1, "Resubmitted odp", trace);
4413 trace_format_megaflow(result, recurse + 1, "Resubmitted megaflow", trace);
4414 trace_format_rule(result, recurse + 1, rule);
4418 trace_report(struct xlate_in *xin, const char *s, int recurse)
4420 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4421 struct ds *result = trace->result;
4423 ds_put_char_multiple(result, '\t', recurse);
4424 ds_put_cstr(result, s);
4425 ds_put_char(result, '\n');
4428 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4429 * forms are supported:
4431 * - [dpname] odp_flow [-generate | packet]
4432 * - bridge br_flow [-generate | packet]
4434 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4435 * returns a nonnull malloced error message. */
4436 static char * WARN_UNUSED_RESULT
4437 parse_flow_and_packet(int argc, const char *argv[],
4438 struct ofproto_dpif **ofprotop, struct flow *flow,
4439 struct ofpbuf **packetp)
4441 const struct dpif_backer *backer = NULL;
4442 const char *error = NULL;
4444 struct simap port_names = SIMAP_INITIALIZER(&port_names);
4445 struct ofpbuf *packet;
4446 struct ofpbuf odp_key;
4447 struct ofpbuf odp_mask;
4449 ofpbuf_init(&odp_key, 0);
4450 ofpbuf_init(&odp_mask, 0);
4452 /* Handle "-generate" or a hex string as the last argument. */
4453 if (!strcmp(argv[argc - 1], "-generate")) {
4454 packet = ofpbuf_new(0);
4457 error = eth_from_hex(argv[argc - 1], &packet);
4460 } else if (argc == 4) {
4461 /* The 3-argument form must end in "-generate' or a hex string. */
4467 /* odp_flow can have its in_port specified as a name instead of port no.
4468 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4469 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4470 * we need to create a simap of name to port no. */
4472 const char *dp_type;
4473 if (!strncmp(argv[1], "ovs-", 4)) {
4474 dp_type = argv[1] + 4;
4478 backer = shash_find_data(&all_dpif_backers, dp_type);
4479 } else if (argc == 2) {
4480 struct shash_node *node;
4481 if (shash_count(&all_dpif_backers) == 1) {
4482 node = shash_first(&all_dpif_backers);
4483 backer = node->data;
4486 error = "Syntax error";
4489 if (backer && backer->dpif) {
4490 struct dpif_port dpif_port;
4491 struct dpif_port_dump port_dump;
4492 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) {
4493 simap_put(&port_names, dpif_port.name,
4494 odp_to_u32(dpif_port.port_no));
4498 /* Parse the flow and determine whether a datapath or
4499 * bridge is specified. If function odp_flow_key_from_string()
4500 * returns 0, the flow is a odp_flow. If function
4501 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4502 if (!odp_flow_from_string(argv[argc - 1], &port_names,
4503 &odp_key, &odp_mask)) {
4505 error = "Cannot find the datapath";
4509 if (odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key),
4510 flow) == ODP_FIT_ERROR) {
4511 error = "Failed to parse flow key";
4515 *ofprotop = xlate_lookup_ofproto(backer, flow,
4516 &flow->in_port.ofp_port);
4517 if (*ofprotop == NULL) {
4518 error = "Invalid datapath flow";
4522 vsp_adjust_flow(*ofprotop, flow, NULL);
4525 char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
4528 m_err = xasprintf("Bad flow syntax: %s", err);
4533 error = "Must specify bridge name";
4537 *ofprotop = ofproto_dpif_lookup(argv[1]);
4539 error = "Unknown bridge name";
4545 /* Generate a packet, if requested. */
4547 if (!ofpbuf_size(packet)) {
4548 flow_compose(packet, flow);
4550 struct pkt_metadata md = pkt_metadata_from_flow(flow);
4552 /* Use the metadata from the flow and the packet argument
4553 * to reconstruct the flow. */
4554 flow_extract(packet, &md, flow);
4559 if (error && !m_err) {
4560 m_err = xstrdup(error);
4563 ofpbuf_delete(packet);
4567 ofpbuf_uninit(&odp_key);
4568 ofpbuf_uninit(&odp_mask);
4569 simap_destroy(&port_names);
4574 ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
4575 void *aux OVS_UNUSED)
4577 struct ofproto_dpif *ofproto;
4578 struct ofpbuf *packet;
4582 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4587 ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
4588 unixctl_command_reply(conn, ds_cstr(&result));
4589 ds_destroy(&result);
4590 ofpbuf_delete(packet);
4592 unixctl_command_reply_error(conn, error);
4598 ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
4599 const char *argv[], void *aux OVS_UNUSED)
4601 enum ofputil_protocol usable_protocols;
4602 struct ofproto_dpif *ofproto;
4603 bool enforce_consistency;
4604 struct ofpbuf ofpacts;
4605 struct ofpbuf *packet;
4610 /* Three kinds of error return values! */
4616 ofpbuf_init(&ofpacts, 0);
4618 /* Parse actions. */
4619 error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
4621 unixctl_command_reply_error(conn, error);
4626 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4627 * consistency between the flow and the actions. With -consistent, we
4628 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4629 if (!strcmp(argv[1], "-consistent")) {
4630 enforce_consistency = true;
4634 enforce_consistency = false;
4637 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4639 unixctl_command_reply_error(conn, error);
4644 /* Do the same checks as handle_packet_out() in ofproto.c.
4646 * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't
4647 * strictly correct because these actions aren't in any table, but it's OK
4648 * because it 'table_id' is used only to check goto_table instructions, but
4649 * packet-outs take a list of actions and therefore it can't include
4652 * We skip the "meter" check here because meter is an instruction, not an
4653 * action, and thus cannot appear in ofpacts. */
4654 in_port = ofp_to_u16(flow.in_port.ofp_port);
4655 if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
4656 unixctl_command_reply_error(conn, "invalid in_port");
4659 if (enforce_consistency) {
4660 retval = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
4661 &flow, u16_to_ofp(ofproto->up.max_ports),
4662 0, 0, usable_protocols);
4664 retval = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &flow,
4665 u16_to_ofp(ofproto->up.max_ports), 0, 0,
4671 ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
4672 unixctl_command_reply_error(conn, ds_cstr(&result));
4676 ofproto_trace(ofproto, &flow, packet,
4677 ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &result);
4678 unixctl_command_reply(conn, ds_cstr(&result));
4681 ds_destroy(&result);
4682 ofpbuf_delete(packet);
4683 ofpbuf_uninit(&ofpacts);
4686 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4687 * description of the results to 'ds'.
4689 * The trace follows a packet with the specified 'flow' through the flow
4690 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4691 * side effects (if it is nonnull then its flow must be 'flow').
4693 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4694 * trace, otherwise the actions are determined by a flow table lookup. */
4696 ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
4697 const struct ofpbuf *packet,
4698 const struct ofpact ofpacts[], size_t ofpacts_len,
4701 struct rule_dpif *rule;
4702 struct trace_ctx trace;
4704 ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
4705 ds_put_cstr(ds, "Flow: ");
4706 flow_format(ds, flow);
4707 ds_put_char(ds, '\n');
4709 flow_wildcards_init_catchall(&trace.wc);
4713 rule_dpif_lookup(ofproto, flow, &trace.wc, &rule, false, NULL);
4715 trace_format_rule(ds, 0, rule);
4716 if (rule == ofproto->miss_rule) {
4717 ds_put_cstr(ds, "\nNo match, flow generates \"packet in\"s.\n");
4718 } else if (rule == ofproto->no_packet_in_rule) {
4719 ds_put_cstr(ds, "\nNo match, packets dropped because "
4720 "OFPPC_NO_PACKET_IN is set on in_port.\n");
4721 } else if (rule == ofproto->drop_frags_rule) {
4722 ds_put_cstr(ds, "\nPackets dropped because they are IP fragments "
4723 "and the fragment handling mode is \"drop\".\n");
4727 if (rule || ofpacts) {
4729 trace.key = flow; /* Original flow key, used for megaflow. */
4730 trace.flow = *flow; /* May be modified by actions. */
4731 xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, rule,
4732 ntohs(flow->tcp_flags), packet);
4734 trace.xin.ofpacts = ofpacts;
4735 trace.xin.ofpacts_len = ofpacts_len;
4737 trace.xin.resubmit_hook = trace_resubmit;
4738 trace.xin.report_hook = trace_report;
4740 xlate_actions(&trace.xin, &trace.xout);
4742 ds_put_char(ds, '\n');
4743 trace_format_flow(ds, 0, "Final flow", &trace);
4744 trace_format_megaflow(ds, 0, "Megaflow", &trace);
4746 ds_put_cstr(ds, "Datapath actions: ");
4747 format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions),
4748 ofpbuf_size(trace.xout.odp_actions));
4750 if (trace.xout.slow) {
4751 enum slow_path_reason slow;
4753 ds_put_cstr(ds, "\nThis flow is handled by the userspace "
4754 "slow path because it:");
4756 slow = trace.xout.slow;
4758 enum slow_path_reason bit = rightmost_1bit(slow);
4760 ds_put_format(ds, "\n\t- %s.",
4761 slow_path_reason_to_explanation(bit));
4767 xlate_out_uninit(&trace.xout);
4771 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4772 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4773 * to destroy 'ofproto_shash' and free the returned value. */
4774 static const struct shash_node **
4775 get_ofprotos(struct shash *ofproto_shash)
4777 const struct ofproto_dpif *ofproto;
4779 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4780 char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name);
4781 shash_add_nocopy(ofproto_shash, name, ofproto);
4784 return shash_sort(ofproto_shash);
4788 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED,
4789 const char *argv[] OVS_UNUSED,
4790 void *aux OVS_UNUSED)
4792 struct ds ds = DS_EMPTY_INITIALIZER;
4793 struct shash ofproto_shash;
4794 const struct shash_node **sorted_ofprotos;
4797 shash_init(&ofproto_shash);
4798 sorted_ofprotos = get_ofprotos(&ofproto_shash);
4799 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4800 const struct shash_node *node = sorted_ofprotos[i];
4801 ds_put_format(&ds, "%s\n", node->name);
4804 shash_destroy(&ofproto_shash);
4805 free(sorted_ofprotos);
4807 unixctl_command_reply(conn, ds_cstr(&ds));
4812 dpif_show_backer(const struct dpif_backer *backer, struct ds *ds)
4814 const struct shash_node **ofprotos;
4815 struct dpif_dp_stats dp_stats;
4816 struct shash ofproto_shash;
4819 dpif_get_dp_stats(backer->dpif, &dp_stats);
4821 ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
4822 dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed);
4824 shash_init(&ofproto_shash);
4825 ofprotos = get_ofprotos(&ofproto_shash);
4826 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4827 struct ofproto_dpif *ofproto = ofprotos[i]->data;
4828 const struct shash_node **ports;
4831 if (ofproto->backer != backer) {
4835 ds_put_format(ds, "\t%s:\n", ofproto->up.name);
4837 ports = shash_sort(&ofproto->up.port_by_name);
4838 for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) {
4839 const struct shash_node *node = ports[j];
4840 struct ofport *ofport = node->data;
4842 odp_port_t odp_port;
4844 ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev),
4847 odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
4848 if (odp_port != ODPP_NONE) {
4849 ds_put_format(ds, "%"PRIu32":", odp_port);
4851 ds_put_cstr(ds, "none:");
4854 ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev));
4857 if (!netdev_get_config(ofport->netdev, &config)) {
4858 const struct smap_node **nodes;
4861 nodes = smap_sort(&config);
4862 for (i = 0; i < smap_count(&config); i++) {
4863 const struct smap_node *node = nodes[i];
4864 ds_put_format(ds, "%c %s=%s", i ? ',' : ':',
4865 node->key, node->value);
4869 smap_destroy(&config);
4871 ds_put_char(ds, ')');
4872 ds_put_char(ds, '\n');
4876 shash_destroy(&ofproto_shash);
4881 ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4882 const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
4884 struct ds ds = DS_EMPTY_INITIALIZER;
4885 const struct shash_node **backers;
4888 backers = shash_sort(&all_dpif_backers);
4889 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
4890 dpif_show_backer(backers[i]->data, &ds);
4894 unixctl_command_reply(conn, ds_cstr(&ds));
4899 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
4900 int argc OVS_UNUSED, const char *argv[],
4901 void *aux OVS_UNUSED)
4903 const struct ofproto_dpif *ofproto;
4905 struct ds ds = DS_EMPTY_INITIALIZER;
4906 bool verbosity = false;
4908 struct dpif_port dpif_port;
4909 struct dpif_port_dump port_dump;
4910 struct hmap portno_names;
4912 struct dpif_flow_dump *flow_dump;
4913 struct dpif_flow_dump_thread *flow_dump_thread;
4917 ofproto = ofproto_dpif_lookup(argv[argc - 1]);
4919 unixctl_command_reply_error(conn, "no such bridge");
4923 if (argc > 2 && !strcmp(argv[1], "-m")) {
4927 hmap_init(&portno_names);
4928 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) {
4929 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
4933 flow_dump = dpif_flow_dump_create(ofproto->backer->dpif);
4934 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
4935 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
4938 if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
4939 || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
4943 odp_flow_format(f.key, f.key_len, f.mask, f.mask_len,
4944 &portno_names, &ds, verbosity);
4945 ds_put_cstr(&ds, ", ");
4946 dpif_flow_stats_format(&f.stats, &ds);
4947 ds_put_cstr(&ds, ", actions:");
4948 format_odp_actions(&ds, f.actions, f.actions_len);
4949 ds_put_char(&ds, '\n');
4951 dpif_flow_dump_thread_destroy(flow_dump_thread);
4952 error = dpif_flow_dump_destroy(flow_dump);
4956 ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno));
4957 unixctl_command_reply_error(conn, ds_cstr(&ds));
4959 unixctl_command_reply(conn, ds_cstr(&ds));
4961 odp_portno_names_destroy(&portno_names);
4962 hmap_destroy(&portno_names);
4967 ofproto_dpif_unixctl_init(void)
4969 static bool registered;
4975 unixctl_command_register(
4977 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
4978 1, 3, ofproto_unixctl_trace, NULL);
4979 unixctl_command_register(
4980 "ofproto/trace-packet-out",
4981 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
4982 2, 6, ofproto_unixctl_trace_actions, NULL);
4983 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
4984 ofproto_unixctl_fdb_flush, NULL);
4985 unixctl_command_register("fdb/show", "bridge", 1, 1,
4986 ofproto_unixctl_fdb_show, NULL);
4987 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
4988 ofproto_unixctl_mcast_snooping_flush, NULL);
4989 unixctl_command_register("mdb/show", "bridge", 1, 1,
4990 ofproto_unixctl_mcast_snooping_show, NULL);
4991 unixctl_command_register("dpif/dump-dps", "", 0, 0,
4992 ofproto_unixctl_dpif_dump_dps, NULL);
4993 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
4995 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
4996 ofproto_unixctl_dpif_dump_flows, NULL);
4999 /* Returns true if 'table' is the table used for internal rules,
5000 * false otherwise. */
5002 table_is_internal(uint8_t table_id)
5004 return table_id == TBL_INTERNAL;
5007 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5009 * This is deprecated. It is only for compatibility with broken device drivers
5010 * in old versions of Linux that do not properly support VLANs when VLAN
5011 * devices are not used. When broken device drivers are no longer in
5012 * widespread use, we will delete these interfaces. */
5015 set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid)
5017 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
5018 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
5020 if (realdev_ofp_port == ofport->realdev_ofp_port
5021 && vid == ofport->vlandev_vid) {
5025 ofproto->backer->need_revalidate = REV_RECONFIGURE;
5027 if (ofport->realdev_ofp_port) {
5030 if (realdev_ofp_port && ofport->bundle) {
5031 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5032 * themselves be part of a bundle. */
5033 bundle_set(ofport_->ofproto, ofport->bundle, NULL);
5036 ofport->realdev_ofp_port = realdev_ofp_port;
5037 ofport->vlandev_vid = vid;
5039 if (realdev_ofp_port) {
5040 vsp_add(ofport, realdev_ofp_port, vid);
5047 hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid)
5049 return hash_2words(ofp_to_u16(realdev_ofp_port), vid);
5053 ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto)
5054 OVS_EXCLUDED(ofproto->vsp_mutex)
5056 /* hmap_is_empty is thread safe. */
5057 return !hmap_is_empty(&ofproto->realdev_vid_map);
5062 vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto,
5063 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5064 OVS_REQUIRES(ofproto->vsp_mutex)
5066 if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
5067 int vid = vlan_tci_to_vid(vlan_tci);
5068 const struct vlan_splinter *vsp;
5070 HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
5071 hash_realdev_vid(realdev_ofp_port, vid),
5072 &ofproto->realdev_vid_map) {
5073 if (vsp->realdev_ofp_port == realdev_ofp_port
5074 && vsp->vid == vid) {
5075 return vsp->vlandev_ofp_port;
5079 return realdev_ofp_port;
5082 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5083 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5084 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5085 * 'vlan_tci' 9, it would return the port number of eth0.9.
5087 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5088 * function just returns its 'realdev_ofp_port' argument. */
5090 vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
5091 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5092 OVS_EXCLUDED(ofproto->vsp_mutex)
5096 /* hmap_is_empty is thread safe, see if we can return immediately. */
5097 if (hmap_is_empty(&ofproto->realdev_vid_map)) {
5098 return realdev_ofp_port;
5100 ovs_mutex_lock(&ofproto->vsp_mutex);
5101 ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci);
5102 ovs_mutex_unlock(&ofproto->vsp_mutex);
5106 static struct vlan_splinter *
5107 vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port)
5109 struct vlan_splinter *vsp;
5111 HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node,
5112 hash_ofp_port(vlandev_ofp_port),
5113 &ofproto->vlandev_map) {
5114 if (vsp->vlandev_ofp_port == vlandev_ofp_port) {
5122 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5123 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5124 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5125 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5126 * eth0 and store 9 in '*vid'.
5128 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5129 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5132 vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
5133 ofp_port_t vlandev_ofp_port, int *vid)
5134 OVS_REQUIRES(ofproto->vsp_mutex)
5136 if (!hmap_is_empty(&ofproto->vlandev_map)) {
5137 const struct vlan_splinter *vsp;
5139 vsp = vlandev_find(ofproto, vlandev_ofp_port);
5144 return vsp->realdev_ofp_port;
5150 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5151 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5152 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5153 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5154 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5155 * case unless VLAN splinters are enabled), returns false without making any
5158 vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow,
5159 struct ofpbuf *packet)
5160 OVS_EXCLUDED(ofproto->vsp_mutex)
5165 /* hmap_is_empty is thread safe. */
5166 if (hmap_is_empty(&ofproto->vlandev_map)) {
5170 ovs_mutex_lock(&ofproto->vsp_mutex);
5171 realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid);
5172 ovs_mutex_unlock(&ofproto->vsp_mutex);
5177 /* Cause the flow to be processed as if it came in on the real device with
5178 * the VLAN device's VLAN ID. */
5179 flow->in_port.ofp_port = realdev;
5180 flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
5183 /* Make the packet resemble the flow, so that it gets sent to an
5184 * OpenFlow controller properly, so that it looks correct for sFlow,
5185 * and so that flow_extract() will get the correct vlan_tci if it is
5186 * called on 'packet'. */
5187 eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci);
5194 vsp_remove(struct ofport_dpif *port)
5196 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5197 struct vlan_splinter *vsp;
5199 ovs_mutex_lock(&ofproto->vsp_mutex);
5200 vsp = vlandev_find(ofproto, port->up.ofp_port);
5202 hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node);
5203 hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node);
5206 port->realdev_ofp_port = 0;
5208 VLOG_ERR("missing vlan device record");
5210 ovs_mutex_unlock(&ofproto->vsp_mutex);
5214 vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid)
5216 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5218 ovs_mutex_lock(&ofproto->vsp_mutex);
5219 if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL)
5220 && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid))
5221 == realdev_ofp_port)) {
5222 struct vlan_splinter *vsp;
5224 vsp = xmalloc(sizeof *vsp);
5225 vsp->realdev_ofp_port = realdev_ofp_port;
5226 vsp->vlandev_ofp_port = port->up.ofp_port;
5229 port->realdev_ofp_port = realdev_ofp_port;
5231 hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node,
5232 hash_ofp_port(port->up.ofp_port));
5233 hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node,
5234 hash_realdev_vid(realdev_ofp_port, vid));
5236 VLOG_ERR("duplicate vlan device record");
5238 ovs_mutex_unlock(&ofproto->vsp_mutex);
5242 ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
5244 const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
5245 return ofport ? ofport->odp_port : ODPP_NONE;
5248 struct ofport_dpif *
5249 odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port)
5251 struct ofport_dpif *port;
5253 ovs_rwlock_rdlock(&backer->odp_to_ofport_lock);
5254 HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port),
5255 &backer->odp_to_ofport_map) {
5256 if (port->odp_port == odp_port) {
5257 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5262 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5267 odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port)
5269 struct ofport_dpif *port;
5271 port = odp_port_to_ofport(ofproto->backer, odp_port);
5272 if (port && &ofproto->up == port->up.ofproto) {
5273 return port->up.ofp_port;
5280 ofproto_dpif_alloc_recirc_id(struct ofproto_dpif *ofproto)
5282 struct dpif_backer *backer = ofproto->backer;
5284 return recirc_id_alloc(backer->rid_pool);
5288 ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id)
5290 struct dpif_backer *backer = ofproto->backer;
5292 recirc_id_free(backer->rid_pool, recirc_id);
5296 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
5297 const struct match *match, int priority,
5298 uint16_t idle_timeout,
5299 const struct ofpbuf *ofpacts,
5300 struct rule **rulep)
5302 struct ofputil_flow_mod fm;
5303 struct rule_dpif *rule;
5307 fm.priority = priority;
5308 fm.new_cookie = htonll(0);
5309 fm.cookie = htonll(0);
5310 fm.cookie_mask = htonll(0);
5311 fm.modify_cookie = false;
5312 fm.table_id = TBL_INTERNAL;
5313 fm.command = OFPFC_ADD;
5314 fm.idle_timeout = idle_timeout;
5315 fm.hard_timeout = 0;
5318 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5319 fm.ofpacts = ofpbuf_data(ofpacts);
5320 fm.ofpacts_len = ofpbuf_size(ofpacts);
5322 error = ofproto_flow_mod(&ofproto->up, &fm);
5324 VLOG_ERR_RL(&rl, "failed to add internal flow (%s)",
5325 ofperr_to_string(error));
5330 rule = rule_dpif_lookup_in_table(ofproto, TBL_INTERNAL, &fm.match.flow,
5331 &fm.match.wc, false);
5341 ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto,
5342 struct match *match, int priority)
5344 struct ofputil_flow_mod fm;
5348 fm.priority = priority;
5349 fm.new_cookie = htonll(0);
5350 fm.cookie = htonll(0);
5351 fm.cookie_mask = htonll(0);
5352 fm.modify_cookie = false;
5353 fm.table_id = TBL_INTERNAL;
5354 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5355 fm.command = OFPFC_DELETE_STRICT;
5357 error = ofproto_flow_mod(&ofproto->up, &fm);
5359 VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)",
5360 ofperr_to_string(error));
5367 const struct ofproto_class ofproto_dpif_class = {
5381 NULL, /* get_memory_usage. */
5382 type_get_memory_usage,
5400 port_is_lacp_current,
5401 NULL, /* rule_choose_table */
5410 NULL, /* rule_premodify_actions */
5411 rule_modify_actions,
5427 get_stp_port_status,
5432 get_rstp_port_status,
5439 is_mirror_output_bundle,
5440 forward_bpdu_changed,
5441 set_mac_table_config,
5443 set_mcast_snooping_port,
5445 NULL, /* meter_get_features */
5446 NULL, /* meter_set */
5447 NULL, /* meter_get */
5448 NULL, /* meter_del */
5449 group_alloc, /* group_alloc */
5450 group_construct, /* group_construct */
5451 group_destruct, /* group_destruct */
5452 group_dealloc, /* group_dealloc */
5453 group_modify, /* group_modify */
5454 group_get_stats, /* group_get_stats */