2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 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.
23 #include "byte-order.h"
24 #include "connectivity.h"
29 #include "fail-open.h"
30 #include "guarded-list.h"
34 #include "mac-learning.h"
35 #include "mcast-snooping.h"
36 #include "multipath.h"
37 #include "netdev-vport.h"
42 #include "odp-execute.h"
43 #include "ofproto/ofproto-dpif.h"
44 #include "ofproto/ofproto-provider.h"
45 #include "ofproto-dpif-ipfix.h"
46 #include "ofproto-dpif-mirror.h"
47 #include "ofproto-dpif-monitor.h"
48 #include "ofproto-dpif-rid.h"
49 #include "ofproto-dpif-sflow.h"
50 #include "ofproto-dpif-upcall.h"
51 #include "ofproto-dpif-xlate.h"
52 #include "openvswitch/ofp-actions.h"
53 #include "openvswitch/dynamic-string.h"
54 #include "openvswitch/meta-flow.h"
55 #include "openvswitch/ofp-parse.h"
56 #include "openvswitch/ofp-print.h"
57 #include "openvswitch/ofp-util.h"
58 #include "openvswitch/ofpbuf.h"
59 #include "openvswitch/vlog.h"
62 #include "ovs-router.h"
63 #include "poll-loop.h"
69 #include "unaligned.h"
71 #include "vlan-bitmap.h"
73 VLOG_DEFINE_THIS_MODULE(ofproto_dpif);
75 COVERAGE_DEFINE(ofproto_dpif_expired);
76 COVERAGE_DEFINE(packet_in_overflow);
85 * - Do include packets and bytes from datapath flows which have not
86 * recently been processed by a revalidator. */
87 struct ovs_mutex stats_mutex;
88 struct dpif_flow_stats stats OVS_GUARDED;
90 /* In non-NULL, will point to a new rule (for which a reference is held) to
91 * which all the stats updates should be forwarded. This exists only
92 * transitionally when flows are replaced.
94 * Protected by stats_mutex. If both 'rule->stats_mutex' and
95 * 'rule->new_rule->stats_mutex' must be held together, acquire them in that
97 struct rule_dpif *new_rule OVS_GUARDED;
99 /* If non-zero then the recirculation id that has
100 * been allocated for use with this rule.
101 * The recirculation id and associated internal flow should
102 * be freed when the rule is freed */
106 /* RULE_CAST() depends on this. */
107 BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0);
109 static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes,
110 long long int *used);
111 static struct rule_dpif *rule_dpif_cast(const struct rule *);
112 static void rule_expire(struct rule_dpif *, long long now);
119 * - Do include packets and bytes from datapath flows which have not
120 * recently been processed by a revalidator. */
121 struct ovs_mutex stats_mutex;
122 uint64_t packet_count OVS_GUARDED; /* Number of packets received. */
123 uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */
127 struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
128 struct ofproto_dpif *ofproto; /* Owning ofproto. */
129 void *aux; /* Key supplied by ofproto's client. */
130 char *name; /* Identifier for log messages. */
133 struct ovs_list ports; /* Contains "struct ofport"s. */
134 enum port_vlan_mode vlan_mode; /* VLAN mode */
135 int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
136 unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1.
137 * NULL if all VLANs are trunked. */
138 struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */
139 struct bond *bond; /* Nonnull iff more than one port. */
140 bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
143 bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
146 static void bundle_remove(struct ofport *);
147 static void bundle_update(struct ofbundle *);
148 static void bundle_destroy(struct ofbundle *);
149 static void bundle_del_port(struct ofport_dpif *);
150 static void bundle_run(struct ofbundle *);
151 static void bundle_wait(struct ofbundle *);
152 static void bundle_flush_macs(struct ofbundle *, bool);
153 static void bundle_move(struct ofbundle *, struct ofbundle *);
155 static void stp_run(struct ofproto_dpif *ofproto);
156 static void stp_wait(struct ofproto_dpif *ofproto);
157 static int set_stp_port(struct ofport *,
158 const struct ofproto_port_stp_settings *);
160 static void rstp_run(struct ofproto_dpif *ofproto);
161 static void set_rstp_port(struct ofport *,
162 const struct ofproto_port_rstp_settings *);
165 struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
169 struct ofbundle *bundle; /* Bundle that contains this port, if any. */
170 struct ovs_list bundle_node;/* In struct ofbundle's "ports" list. */
171 struct cfm *cfm; /* Connectivity Fault Management, if any. */
172 struct bfd *bfd; /* BFD, if any. */
173 struct lldp *lldp; /* lldp, if any. */
174 bool may_enable; /* May be enabled in bonds. */
175 bool is_tunnel; /* This port is a tunnel. */
176 bool is_layer3; /* This is a layer 3 port. */
177 long long int carrier_seq; /* Carrier status changes. */
178 struct ofport_dpif *peer; /* Peer if patch port. */
181 struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
182 enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
183 long long int stp_state_entered;
185 /* Rapid Spanning Tree. */
186 struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
187 enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
189 /* Queue to DSCP mapping. */
190 struct ofproto_port_queue *qdscp;
194 static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *,
197 static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *,
200 static struct ofport_dpif *
201 ofport_dpif_cast(const struct ofport *ofport)
203 return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
206 static void port_run(struct ofport_dpif *);
207 static int set_bfd(struct ofport *, const struct smap *);
208 static int set_cfm(struct ofport *, const struct cfm_settings *);
209 static int set_lldp(struct ofport *ofport_, const struct smap *cfg);
210 static void ofport_update_peer(struct ofport_dpif *);
212 /* Reasons that we might need to revalidate every datapath flow, and
213 * corresponding coverage counters.
215 * A value of 0 means that there is no need to revalidate.
217 * It would be nice to have some cleaner way to integrate with coverage
218 * counters, but with only a few reasons I guess this is good enough for
220 enum revalidate_reason {
221 REV_RECONFIGURE = 1, /* Switch configuration changed. */
222 REV_STP, /* Spanning tree protocol port status change. */
223 REV_RSTP, /* RSTP port status change. */
224 REV_BOND, /* Bonding changed. */
225 REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/
226 REV_FLOW_TABLE, /* Flow table changed. */
227 REV_MAC_LEARNING, /* Mac learning changed. */
228 REV_MCAST_SNOOPING, /* Multicast snooping changed. */
230 COVERAGE_DEFINE(rev_reconfigure);
231 COVERAGE_DEFINE(rev_stp);
232 COVERAGE_DEFINE(rev_rstp);
233 COVERAGE_DEFINE(rev_bond);
234 COVERAGE_DEFINE(rev_port_toggled);
235 COVERAGE_DEFINE(rev_flow_table);
236 COVERAGE_DEFINE(rev_mac_learning);
237 COVERAGE_DEFINE(rev_mcast_snooping);
239 /* All datapaths of a given type share a single dpif backer instance. */
246 struct ovs_rwlock odp_to_ofport_lock;
247 struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
249 struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
251 enum revalidate_reason need_revalidate; /* Revalidate all flows. */
253 bool recv_set_enable; /* Enables or disables receiving packets. */
255 /* Version string of the datapath stored in OVSDB. */
256 char *dp_version_string;
258 /* Datapath feature support. */
259 struct dpif_backer_support support;
260 struct atomic_count tnl_count;
263 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
264 static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
266 struct ofproto_dpif {
267 struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
269 struct dpif_backer *backer;
271 /* Unique identifier for this instantiation of this bridge in this running
275 ATOMIC(cls_version_t) tables_version; /* For classifier lookups. */
277 uint64_t dump_seq; /* Last read of udpif_dump_seq(). */
279 /* Special OpenFlow rules. */
280 struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
281 struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
282 struct rule_dpif *drop_frags_rule; /* Used in OFPUTIL_FRAG_DROP mode. */
285 struct netflow *netflow;
286 struct dpif_sflow *sflow;
287 struct dpif_ipfix *ipfix;
288 struct hmap bundles; /* Contains "struct ofbundle"s. */
289 struct mac_learning *ml;
290 struct mcast_snooping *ms;
291 bool has_bonded_bundles;
293 struct mbridge *mbridge;
295 struct ovs_mutex stats_mutex;
296 struct netdev_stats stats OVS_GUARDED; /* To account packets generated and
297 * consumed in userspace. */
301 long long int stp_last_tick;
303 /* Rapid Spanning Tree. */
305 long long int rstp_last_tick;
308 struct sset ports; /* Set of standard port names. */
309 struct sset ghost_ports; /* Ports with no datapath port. */
310 struct sset port_poll_set; /* Queued names for port_poll() reply. */
311 int port_poll_errno; /* Last errno for port_poll() reply. */
312 uint64_t change_seq; /* Connectivity status changes. */
315 struct guarded_list ams; /* Contains "struct ofproto_async_msgs"s. */
316 struct seq *ams_seq; /* For notifying 'ams' reception. */
320 /* All existing ofproto_dpif instances, indexed by ->up.name. */
321 static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
323 static bool ofproto_use_tnl_push_pop = true;
324 static void ofproto_unixctl_init(void);
326 static inline struct ofproto_dpif *
327 ofproto_dpif_cast(const struct ofproto *ofproto)
329 ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class);
330 return CONTAINER_OF(ofproto, struct ofproto_dpif, up);
334 ofproto_dpif_get_enable_ufid(const struct dpif_backer *backer)
336 return backer->support.ufid;
339 struct dpif_backer_support *
340 ofproto_dpif_get_support(const struct ofproto_dpif *ofproto)
342 return &ofproto->backer->support;
345 static void ofproto_trace(struct ofproto_dpif *, struct flow *,
346 const struct dp_packet *packet,
347 const struct ofpact[], size_t ofpacts_len,
350 /* Global variables. */
351 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
353 /* Initial mappings of port to bridge mappings. */
354 static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports);
356 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
359 ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
360 const struct ofputil_flow_mod *fm)
362 struct ofproto_flow_mod ofm;
364 /* Multiple threads may do this for the same 'fm' at the same time.
365 * Allocate ofproto_flow_mod with execution context from stack.
367 * Note: This copy could be avoided by making ofproto_flow_mod more
368 * complex, but that may not be desireable, and a learn action is not that
369 * fast to begin with. */
371 ofproto_flow_mod(&ofproto->up, &ofm);
374 /* Appends 'am' to the queue of asynchronous messages to be sent to the
375 * controller. Takes ownership of 'am' and any data it points to. */
377 ofproto_dpif_send_async_msg(struct ofproto_dpif *ofproto,
378 struct ofproto_async_msg *am)
380 if (!guarded_list_push_back(&ofproto->ams, &am->list_node, 1024)) {
381 COVERAGE_INC(packet_in_overflow);
382 ofproto_async_msg_free(am);
385 /* Wakes up main thread for packet-in I/O. */
386 seq_change(ofproto->ams_seq);
389 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
390 * packet rather than to send the packet to the controller.
392 * This function returns false to indicate that a packet_in message
393 * for a "table-miss" should be sent to at least one controller.
394 * False otherwise. */
396 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto)
398 return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr);
401 /* Factory functions. */
404 init(const struct shash *iface_hints)
406 struct shash_node *node;
408 /* Make a local copy, since we don't own 'iface_hints' elements. */
409 SHASH_FOR_EACH(node, iface_hints) {
410 const struct iface_hint *orig_hint = node->data;
411 struct iface_hint *new_hint = xmalloc(sizeof *new_hint);
413 new_hint->br_name = xstrdup(orig_hint->br_name);
414 new_hint->br_type = xstrdup(orig_hint->br_type);
415 new_hint->ofp_port = orig_hint->ofp_port;
417 shash_add(&init_ofp_ports, node->name, new_hint);
420 ofproto_unixctl_init();
425 enumerate_types(struct sset *types)
427 dp_enumerate_types(types);
431 enumerate_names(const char *type, struct sset *names)
433 struct ofproto_dpif *ofproto;
436 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
437 if (strcmp(type, ofproto->up.type)) {
440 sset_add(names, ofproto->up.name);
447 del(const char *type, const char *name)
452 error = dpif_open(name, type, &dpif);
454 error = dpif_delete(dpif);
461 port_open_type(const char *datapath_type, const char *port_type)
463 return dpif_port_open_type(datapath_type, port_type);
466 /* Type functions. */
468 static void process_dpif_port_changes(struct dpif_backer *);
469 static void process_dpif_all_ports_changed(struct dpif_backer *);
470 static void process_dpif_port_change(struct dpif_backer *,
471 const char *devname);
472 static void process_dpif_port_error(struct dpif_backer *, int error);
474 static struct ofproto_dpif *
475 lookup_ofproto_dpif_by_port_name(const char *name)
477 struct ofproto_dpif *ofproto;
479 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
480 if (sset_contains(&ofproto->ports, name)) {
489 ofproto_dpif_backer_enabled(struct dpif_backer* backer)
491 return backer->recv_set_enable;
495 type_run(const char *type)
497 struct dpif_backer *backer;
499 backer = shash_find_data(&all_dpif_backers, type);
501 /* This is not necessarily a problem, since backers are only
502 * created on demand. */
506 /* This must be called before dpif_run() */
507 dpif_poll_threads_set(backer->dpif, pmd_cpu_mask);
509 if (dpif_run(backer->dpif)) {
510 backer->need_revalidate = REV_RECONFIGURE;
513 udpif_run(backer->udpif);
515 /* If vswitchd started with other_config:flow_restore_wait set as "true",
516 * and the configuration has now changed to "false", enable receiving
517 * packets from the datapath. */
518 if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
521 backer->recv_set_enable = true;
523 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
525 VLOG_ERR("Failed to enable receiving packets in dpif.");
528 dpif_flow_flush(backer->dpif);
529 backer->need_revalidate = REV_RECONFIGURE;
532 if (backer->recv_set_enable) {
533 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
536 if (backer->need_revalidate) {
537 struct ofproto_dpif *ofproto;
538 struct simap_node *node;
539 struct simap tmp_backers;
541 /* Handle tunnel garbage collection. */
542 simap_init(&tmp_backers);
543 simap_swap(&backer->tnl_backers, &tmp_backers);
545 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
546 struct ofport_dpif *iter;
548 if (backer != ofproto->backer) {
552 HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
553 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
556 if (!iter->is_tunnel) {
560 dp_port = netdev_vport_get_dpif_port(iter->up.netdev,
561 namebuf, sizeof namebuf);
562 node = simap_find(&tmp_backers, dp_port);
564 simap_put(&backer->tnl_backers, dp_port, node->data);
565 simap_delete(&tmp_backers, node);
566 node = simap_find(&backer->tnl_backers, dp_port);
568 node = simap_find(&backer->tnl_backers, dp_port);
570 odp_port_t odp_port = ODPP_NONE;
572 if (!dpif_port_add(backer->dpif, iter->up.netdev,
574 simap_put(&backer->tnl_backers, dp_port,
575 odp_to_u32(odp_port));
576 node = simap_find(&backer->tnl_backers, dp_port);
581 iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
582 if (tnl_port_reconfigure(iter, iter->up.netdev,
584 ovs_native_tunneling_is_on(ofproto), dp_port)) {
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->ml,
618 ofproto->stp, ofproto->rstp, ofproto->ms,
619 ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
621 ofproto->up.forward_bpdu,
622 connmgr_has_in_band(ofproto->up.connmgr),
623 &ofproto->backer->support);
625 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
626 xlate_bundle_set(ofproto, bundle, bundle->name,
627 bundle->vlan_mode, bundle->vlan,
628 bundle->trunks, bundle->use_priority_tags,
629 bundle->bond, bundle->lacp,
633 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
634 int stp_port = ofport->stp_port
635 ? stp_port_no(ofport->stp_port)
637 xlate_ofport_set(ofproto, ofport->bundle, ofport,
638 ofport->up.ofp_port, ofport->odp_port,
639 ofport->up.netdev, ofport->cfm, ofport->bfd,
640 ofport->lldp, ofport->peer, stp_port,
641 ofport->rstp_port, ofport->qdscp,
642 ofport->n_qdscp, ofport->up.pp.config,
643 ofport->up.pp.state, ofport->is_tunnel,
649 udpif_revalidate(backer->udpif);
652 process_dpif_port_changes(backer);
657 /* Check for and handle port changes in 'backer''s dpif. */
659 process_dpif_port_changes(struct dpif_backer *backer)
665 error = dpif_port_poll(backer->dpif, &devname);
671 process_dpif_all_ports_changed(backer);
675 process_dpif_port_change(backer, devname);
680 process_dpif_port_error(backer, error);
687 process_dpif_all_ports_changed(struct dpif_backer *backer)
689 struct ofproto_dpif *ofproto;
690 struct dpif_port dpif_port;
691 struct dpif_port_dump dump;
692 struct sset devnames;
695 sset_init(&devnames);
696 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
697 if (ofproto->backer == backer) {
698 struct ofport *ofport;
700 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
701 sset_add(&devnames, netdev_get_name(ofport->netdev));
705 DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) {
706 sset_add(&devnames, dpif_port.name);
709 SSET_FOR_EACH (devname, &devnames) {
710 process_dpif_port_change(backer, devname);
712 sset_destroy(&devnames);
716 process_dpif_port_change(struct dpif_backer *backer, const char *devname)
718 struct ofproto_dpif *ofproto;
719 struct dpif_port port;
721 /* Don't report on the datapath's device. */
722 if (!strcmp(devname, dpif_base_name(backer->dpif))) {
726 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
727 &all_ofproto_dpifs) {
728 if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
733 ofproto = lookup_ofproto_dpif_by_port_name(devname);
734 if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
735 /* The port was removed. If we know the datapath,
736 * report it through poll_set(). If we don't, it may be
737 * notifying us of a removal we initiated, so ignore it.
738 * If there's a pending ENOBUFS, let it stand, since
739 * everything will be reevaluated. */
740 if (ofproto && ofproto->port_poll_errno != ENOBUFS) {
741 sset_add(&ofproto->port_poll_set, devname);
742 ofproto->port_poll_errno = 0;
744 } else if (!ofproto) {
745 /* The port was added, but we don't know with which
746 * ofproto we should associate it. Delete it. */
747 dpif_port_del(backer->dpif, port.port_no);
749 struct ofport_dpif *ofport;
751 ofport = ofport_dpif_cast(shash_find_data(
752 &ofproto->up.port_by_name, devname));
754 && ofport->odp_port != port.port_no
755 && !odp_port_to_ofport(backer, port.port_no))
757 /* 'ofport''s datapath port number has changed from
758 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
759 * structures to match. */
760 ovs_rwlock_wrlock(&backer->odp_to_ofport_lock);
761 hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node);
762 ofport->odp_port = port.port_no;
763 hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node,
764 hash_odp_port(port.port_no));
765 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
766 backer->need_revalidate = REV_RECONFIGURE;
769 dpif_port_destroy(&port);
772 /* Propagate 'error' to all ofprotos based on 'backer'. */
774 process_dpif_port_error(struct dpif_backer *backer, int error)
776 struct ofproto_dpif *ofproto;
778 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
779 if (ofproto->backer == backer) {
780 sset_clear(&ofproto->port_poll_set);
781 ofproto->port_poll_errno = error;
787 type_wait(const char *type)
789 struct dpif_backer *backer;
791 backer = shash_find_data(&all_dpif_backers, type);
793 /* This is not necessarily a problem, since backers are only
794 * created on demand. */
798 dpif_wait(backer->dpif);
801 /* Basic life-cycle. */
803 static int add_internal_flows(struct ofproto_dpif *);
805 static struct ofproto *
808 struct ofproto_dpif *ofproto = xzalloc(sizeof *ofproto);
813 dealloc(struct ofproto *ofproto_)
815 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
820 close_dpif_backer(struct dpif_backer *backer)
822 ovs_assert(backer->refcount > 0);
824 if (--backer->refcount) {
828 udpif_destroy(backer->udpif);
830 simap_destroy(&backer->tnl_backers);
831 ovs_rwlock_destroy(&backer->odp_to_ofport_lock);
832 hmap_destroy(&backer->odp_to_ofport_map);
833 shash_find_and_delete(&all_dpif_backers, backer->type);
835 free(backer->dp_version_string);
836 dpif_close(backer->dpif);
840 /* Datapath port slated for removal from datapath. */
842 struct ovs_list list_node;
846 static bool check_variable_length_userdata(struct dpif_backer *backer);
847 static void check_support(struct dpif_backer *backer);
850 open_dpif_backer(const char *type, struct dpif_backer **backerp)
852 struct dpif_backer *backer;
853 struct dpif_port_dump port_dump;
854 struct dpif_port port;
855 struct shash_node *node;
856 struct ovs_list garbage_list;
857 struct odp_garbage *garbage;
864 backer = shash_find_data(&all_dpif_backers, type);
871 backer_name = xasprintf("ovs-%s", type);
873 /* Remove any existing datapaths, since we assume we're the only
874 * userspace controlling the datapath. */
876 dp_enumerate_names(type, &names);
877 SSET_FOR_EACH(name, &names) {
878 struct dpif *old_dpif;
880 /* Don't remove our backer if it exists. */
881 if (!strcmp(name, backer_name)) {
885 if (dpif_open(name, type, &old_dpif)) {
886 VLOG_WARN("couldn't open old datapath %s to remove it", name);
888 dpif_delete(old_dpif);
889 dpif_close(old_dpif);
892 sset_destroy(&names);
894 backer = xmalloc(sizeof *backer);
896 error = dpif_create_and_open(backer_name, type, &backer->dpif);
899 VLOG_ERR("failed to open datapath of type %s: %s", type,
900 ovs_strerror(error));
904 backer->udpif = udpif_create(backer, backer->dpif);
906 backer->type = xstrdup(type);
907 backer->refcount = 1;
908 hmap_init(&backer->odp_to_ofport_map);
909 ovs_rwlock_init(&backer->odp_to_ofport_lock);
910 backer->need_revalidate = 0;
911 simap_init(&backer->tnl_backers);
912 backer->recv_set_enable = !ofproto_get_flow_restore_wait();
915 if (backer->recv_set_enable) {
916 dpif_flow_flush(backer->dpif);
919 /* Loop through the ports already on the datapath and remove any
920 * that we don't need anymore. */
921 ovs_list_init(&garbage_list);
922 dpif_port_dump_start(&port_dump, backer->dpif);
923 while (dpif_port_dump_next(&port_dump, &port)) {
924 node = shash_find(&init_ofp_ports, port.name);
925 if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) {
926 garbage = xmalloc(sizeof *garbage);
927 garbage->odp_port = port.port_no;
928 ovs_list_push_front(&garbage_list, &garbage->list_node);
931 dpif_port_dump_done(&port_dump);
933 LIST_FOR_EACH_POP (garbage, list_node, &garbage_list) {
934 dpif_port_del(backer->dpif, garbage->odp_port);
938 shash_add(&all_dpif_backers, type, backer);
940 check_support(backer);
941 atomic_count_init(&backer->tnl_count, 0);
943 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
945 VLOG_ERR("failed to listen on datapath of type %s: %s",
946 type, ovs_strerror(error));
947 close_dpif_backer(backer);
951 if (backer->recv_set_enable) {
952 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
955 /* This check fails if performed before udpif threads have been set,
956 * as the kernel module checks that the 'pid' in userspace action
958 backer->support.variable_length_userdata
959 = check_variable_length_userdata(backer);
960 backer->dp_version_string = dpif_get_dp_version(backer->dpif);
966 ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto)
968 return ofproto_use_tnl_push_pop && ofproto->backer->support.tnl_push_pop &&
969 atomic_count_get(&ofproto->backer->tnl_count);
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 struct odp_flow_key_parms odp_parms = {
993 memset(&flow, 0, sizeof flow);
997 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
998 odp_flow_key_from_flow(&odp_parms, &key);
999 enable_recirc = dpif_probe_feature(backer->dpif, "recirculation", &key,
1002 if (enable_recirc) {
1003 VLOG_INFO("%s: Datapath supports recirculation",
1004 dpif_name(backer->dpif));
1006 VLOG_INFO("%s: Datapath does not support recirculation",
1007 dpif_name(backer->dpif));
1010 return enable_recirc;
1013 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
1014 * some flow attributes for datapaths that support this feature.
1016 * Returns true if 'dpif' supports UFID for flow operations.
1017 * Returns false if 'dpif' does not support UFID. */
1019 check_ufid(struct dpif_backer *backer)
1022 struct odputil_keybuf keybuf;
1026 struct odp_flow_key_parms odp_parms = {
1030 memset(&flow, 0, sizeof flow);
1031 flow.dl_type = htons(0x1234);
1033 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1034 odp_flow_key_from_flow(&odp_parms, &key);
1035 dpif_flow_hash(backer->dpif, key.data, key.size, &ufid);
1037 enable_ufid = dpif_probe_feature(backer->dpif, "UFID", &key, &ufid);
1040 VLOG_INFO("%s: Datapath supports unique flow ids",
1041 dpif_name(backer->dpif));
1043 VLOG_INFO("%s: Datapath does not support unique flow ids",
1044 dpif_name(backer->dpif));
1049 /* Tests whether 'backer''s datapath supports variable-length
1050 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1051 * to disable some features on older datapaths that don't support this
1054 * Returns false if 'backer' definitely does not support variable-length
1055 * userdata, true if it seems to support them or if at least the error we get
1058 check_variable_length_userdata(struct dpif_backer *backer)
1060 struct eth_header *eth;
1061 struct ofpbuf actions;
1062 struct dpif_execute execute;
1063 struct dp_packet packet;
1068 /* Compose a userspace action that will cause an ERANGE error on older
1069 * datapaths that don't support variable-length userdata.
1071 * We really test for using userdata longer than 8 bytes, but older
1072 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1073 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1074 * test for that instead as a proxy for longer userdata support. */
1075 ofpbuf_init(&actions, 64);
1076 start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE);
1077 nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID,
1078 dpif_port_get_pid(backer->dpif, ODPP_NONE, 0));
1079 nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4);
1080 nl_msg_end_nested(&actions, start);
1082 /* Compose a dummy ethernet packet. */
1083 dp_packet_init(&packet, ETH_HEADER_LEN);
1084 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1085 eth->eth_type = htons(0x1234);
1087 flow_extract(&packet, &flow);
1089 /* Execute the actions. On older datapaths this fails with ERANGE, on
1090 * newer datapaths it succeeds. */
1091 execute.actions = actions.data;
1092 execute.actions_len = actions.size;
1093 execute.packet = &packet;
1094 execute.flow = &flow;
1095 execute.needs_help = false;
1096 execute.probe = true;
1099 error = dpif_execute(backer->dpif, &execute);
1101 dp_packet_uninit(&packet);
1102 ofpbuf_uninit(&actions);
1109 /* Variable-length userdata is not supported. */
1110 VLOG_WARN("%s: datapath does not support variable-length userdata "
1111 "feature (needs Linux 3.10+ or kernel module from OVS "
1112 "1..11+). The NXAST_SAMPLE action will be ignored.",
1113 dpif_name(backer->dpif));
1117 /* Something odd happened. We're not sure whether variable-length
1118 * userdata is supported. Default to "yes". */
1119 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1120 dpif_name(backer->dpif), ovs_strerror(error));
1125 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1127 * Returns the number of elements in a struct flow's mpls_lse field
1128 * if the datapath supports at least that many entries in an
1130 * Otherwise returns the number of MPLS push actions supported by
1133 check_max_mpls_depth(struct dpif_backer *backer)
1138 for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) {
1139 struct odputil_keybuf keybuf;
1141 struct odp_flow_key_parms odp_parms = {
1145 memset(&flow, 0, sizeof flow);
1146 flow.dl_type = htons(ETH_TYPE_MPLS);
1147 flow_set_mpls_bos(&flow, n, 1);
1149 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1150 odp_flow_key_from_flow(&odp_parms, &key);
1151 if (!dpif_probe_feature(backer->dpif, "MPLS", &key, NULL)) {
1156 VLOG_INFO("%s: MPLS label stack length probed as %d",
1157 dpif_name(backer->dpif), n);
1161 /* Tests whether 'backer''s datapath supports masked data in
1162 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1163 * datapaths that don't support this feature. */
1165 check_masked_set_action(struct dpif_backer *backer)
1167 struct eth_header *eth;
1168 struct ofpbuf actions;
1169 struct dpif_execute execute;
1170 struct dp_packet packet;
1173 struct ovs_key_ethernet key, mask;
1175 /* Compose a set action that will cause an EINVAL error on older
1176 * datapaths that don't support masked set actions.
1177 * Avoid using a full mask, as it could be translated to a non-masked
1178 * set action instead. */
1179 ofpbuf_init(&actions, 64);
1180 memset(&key, 0x53, sizeof key);
1181 memset(&mask, 0x7f, sizeof mask);
1182 commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
1185 /* Compose a dummy ethernet packet. */
1186 dp_packet_init(&packet, ETH_HEADER_LEN);
1187 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1188 eth->eth_type = htons(0x1234);
1190 flow_extract(&packet, &flow);
1192 /* Execute the actions. On older datapaths this fails with EINVAL, on
1193 * newer datapaths it succeeds. */
1194 execute.actions = actions.data;
1195 execute.actions_len = actions.size;
1196 execute.packet = &packet;
1197 execute.flow = &flow;
1198 execute.needs_help = false;
1199 execute.probe = true;
1202 error = dpif_execute(backer->dpif, &execute);
1204 dp_packet_uninit(&packet);
1205 ofpbuf_uninit(&actions);
1208 /* Masked set action is not supported. */
1209 VLOG_INFO("%s: datapath does not support masked set action feature.",
1210 dpif_name(backer->dpif));
1215 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE) \
1217 check_##NAME(struct dpif_backer *backer) \
1220 struct odputil_keybuf keybuf; \
1221 struct ofpbuf key; \
1223 struct odp_flow_key_parms odp_parms = { \
1230 memset(&flow, 0, sizeof flow); \
1231 flow.FIELD = VALUE; \
1233 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1234 odp_flow_key_from_flow(&odp_parms, &key); \
1235 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL); \
1238 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1240 VLOG_INFO("%s: Datapath does not support "#NAME, \
1241 dpif_name(backer->dpif)); \
1246 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1)
1248 CHECK_FEATURE(ct_state)
1249 CHECK_FEATURE(ct_zone)
1250 CHECK_FEATURE(ct_mark)
1251 CHECK_FEATURE__(ct_label, ct_label, ct_label.u64.lo, 1)
1252 CHECK_FEATURE__(ct_state_nat, ct_state, ct_state, CS_TRACKED|CS_SRC_NAT)
1254 #undef CHECK_FEATURE
1255 #undef CHECK_FEATURE__
1258 check_support(struct dpif_backer *backer)
1260 /* This feature needs to be tested after udpif threads are set. */
1261 backer->support.variable_length_userdata = false;
1263 backer->support.odp.recirc = check_recirc(backer);
1264 backer->support.odp.max_mpls_depth = check_max_mpls_depth(backer);
1265 backer->support.masked_set_action = check_masked_set_action(backer);
1266 backer->support.ufid = check_ufid(backer);
1267 backer->support.tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif);
1269 backer->support.odp.ct_state = check_ct_state(backer);
1270 backer->support.odp.ct_zone = check_ct_zone(backer);
1271 backer->support.odp.ct_mark = check_ct_mark(backer);
1272 backer->support.odp.ct_label = check_ct_label(backer);
1274 backer->support.odp.ct_state_nat = check_ct_state_nat(backer);
1278 construct(struct ofproto *ofproto_)
1280 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1281 struct shash_node *node, *next;
1284 /* Tunnel module can get used right after the udpif threads are running. */
1285 ofproto_tunnel_init();
1287 error = open_dpif_backer(ofproto->up.type, &ofproto->backer);
1292 uuid_generate(&ofproto->uuid);
1293 atomic_init(&ofproto->tables_version, CLS_MIN_VERSION);
1294 ofproto->netflow = NULL;
1295 ofproto->sflow = NULL;
1296 ofproto->ipfix = NULL;
1297 ofproto->stp = NULL;
1298 ofproto->rstp = NULL;
1299 ofproto->dump_seq = 0;
1300 hmap_init(&ofproto->bundles);
1301 ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
1303 ofproto->mbridge = mbridge_create();
1304 ofproto->has_bonded_bundles = false;
1305 ofproto->lacp_enabled = false;
1306 ovs_mutex_init_adaptive(&ofproto->stats_mutex);
1308 guarded_list_init(&ofproto->ams);
1310 sset_init(&ofproto->ports);
1311 sset_init(&ofproto->ghost_ports);
1312 sset_init(&ofproto->port_poll_set);
1313 ofproto->port_poll_errno = 0;
1314 ofproto->change_seq = 0;
1315 ofproto->ams_seq = seq_create();
1316 ofproto->ams_seqno = seq_read(ofproto->ams_seq);
1319 SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) {
1320 struct iface_hint *iface_hint = node->data;
1322 if (!strcmp(iface_hint->br_name, ofproto->up.name)) {
1323 /* Check if the datapath already has this port. */
1324 if (dpif_port_exists(ofproto->backer->dpif, node->name)) {
1325 sset_add(&ofproto->ports, node->name);
1328 free(iface_hint->br_name);
1329 free(iface_hint->br_type);
1331 shash_delete(&init_ofp_ports, node);
1335 hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
1336 hash_string(ofproto->up.name, 0));
1337 memset(&ofproto->stats, 0, sizeof ofproto->stats);
1339 ofproto_init_tables(ofproto_, N_TABLES);
1340 error = add_internal_flows(ofproto);
1342 ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
1348 add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
1349 const struct ofpbuf *ofpacts, struct rule_dpif **rulep)
1355 match_init_catchall(&match);
1356 match_set_reg(&match, 0, id);
1358 error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
1360 *rulep = error ? NULL : rule_dpif_cast(rule);
1366 add_internal_flows(struct ofproto_dpif *ofproto)
1368 struct ofpact_controller *controller;
1369 uint64_t ofpacts_stub[128 / 8];
1370 struct ofpbuf ofpacts;
1371 struct rule *unused_rulep OVS_UNUSED;
1376 ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
1379 controller = ofpact_put_CONTROLLER(&ofpacts);
1380 controller->max_len = UINT16_MAX;
1381 controller->controller_id = 0;
1382 controller->reason = OFPR_IMPLICIT_MISS;
1383 ofpact_finish_CONTROLLER(&ofpacts, &controller);
1385 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1386 &ofproto->miss_rule);
1391 ofpbuf_clear(&ofpacts);
1392 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1393 &ofproto->no_packet_in_rule);
1398 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1399 &ofproto->drop_frags_rule);
1404 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1405 * zero when reaching this rule.
1407 * (priority=2), recirc_id=0, actions=drop
1409 ofpbuf_clear(&ofpacts);
1410 match_init_catchall(&match);
1411 match_set_recirc_id(&match, 0);
1412 error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
1418 destruct(struct ofproto *ofproto_)
1420 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1421 struct ofproto_async_msg *am;
1422 struct rule_dpif *rule;
1423 struct oftable *table;
1424 struct ovs_list ams;
1426 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1428 xlate_remove_ofproto(ofproto);
1431 /* Ensure that the upcall processing threads have no remaining references
1432 * to the ofproto or anything in it. */
1433 udpif_synchronize(ofproto->backer->udpif);
1435 hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
1437 OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
1438 CLS_FOR_EACH (rule, up.cr, &table->cls) {
1439 ofproto_rule_delete(&ofproto->up, &rule->up);
1442 ofproto_group_delete_all(&ofproto->up);
1444 guarded_list_pop_all(&ofproto->ams, &ams);
1445 LIST_FOR_EACH_POP (am, list_node, &ams) {
1446 ofproto_async_msg_free(am);
1448 guarded_list_destroy(&ofproto->ams);
1450 recirc_free_ofproto(ofproto, ofproto->up.name);
1452 mbridge_unref(ofproto->mbridge);
1454 netflow_unref(ofproto->netflow);
1455 dpif_sflow_unref(ofproto->sflow);
1456 dpif_ipfix_unref(ofproto->ipfix);
1457 hmap_destroy(&ofproto->bundles);
1458 mac_learning_unref(ofproto->ml);
1459 mcast_snooping_unref(ofproto->ms);
1461 sset_destroy(&ofproto->ports);
1462 sset_destroy(&ofproto->ghost_ports);
1463 sset_destroy(&ofproto->port_poll_set);
1465 ovs_mutex_destroy(&ofproto->stats_mutex);
1467 seq_destroy(ofproto->ams_seq);
1469 close_dpif_backer(ofproto->backer);
1473 run(struct ofproto *ofproto_)
1475 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1476 uint64_t new_seq, new_dump_seq;
1478 if (mbridge_need_revalidate(ofproto->mbridge)) {
1479 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1480 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1481 mac_learning_flush(ofproto->ml);
1482 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1483 mcast_snooping_mdb_flush(ofproto->ms);
1486 /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during
1487 * flow restore. Even though nothing is processed during flow restore,
1488 * all queued 'ams' will be handled immediately when flow restore
1490 ofproto->ams_seqno = seq_read(ofproto->ams_seq);
1492 /* Do not perform any periodic activity required by 'ofproto' while
1493 * waiting for flow restore to complete. */
1494 if (!ofproto_get_flow_restore_wait()) {
1495 struct ofproto_async_msg *am;
1496 struct ovs_list ams;
1498 guarded_list_pop_all(&ofproto->ams, &ams);
1499 LIST_FOR_EACH_POP (am, list_node, &ams) {
1500 connmgr_send_async_msg(ofproto->up.connmgr, am);
1501 ofproto_async_msg_free(am);
1505 if (ofproto->netflow) {
1506 netflow_run(ofproto->netflow);
1508 if (ofproto->sflow) {
1509 dpif_sflow_run(ofproto->sflow);
1511 if (ofproto->ipfix) {
1512 dpif_ipfix_run(ofproto->ipfix);
1515 new_seq = seq_read(connectivity_seq_get());
1516 if (ofproto->change_seq != new_seq) {
1517 struct ofport_dpif *ofport;
1519 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1523 ofproto->change_seq = new_seq;
1525 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1526 struct ofbundle *bundle;
1528 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1535 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1536 if (mac_learning_run(ofproto->ml)) {
1537 ofproto->backer->need_revalidate = REV_MAC_LEARNING;
1539 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1541 if (mcast_snooping_run(ofproto->ms)) {
1542 ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
1545 new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
1546 if (ofproto->dump_seq != new_dump_seq) {
1547 struct rule *rule, *next_rule;
1548 long long now = time_msec();
1550 /* We know stats are relatively fresh, so now is a good time to do some
1552 ofproto->dump_seq = new_dump_seq;
1554 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1556 ovs_mutex_lock(&ofproto_mutex);
1557 LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
1558 &ofproto->up.expirable) {
1559 rule_expire(rule_dpif_cast(rule), now);
1561 ovs_mutex_unlock(&ofproto_mutex);
1563 /* All outstanding data in existing flows has been accounted, so it's a
1564 * good time to do bond rebalancing. */
1565 if (ofproto->has_bonded_bundles) {
1566 struct ofbundle *bundle;
1568 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1570 bond_rebalance(bundle->bond);
1579 ofproto_dpif_wait(struct ofproto *ofproto_)
1581 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1583 if (ofproto_get_flow_restore_wait()) {
1587 if (ofproto->sflow) {
1588 dpif_sflow_wait(ofproto->sflow);
1590 if (ofproto->ipfix) {
1591 dpif_ipfix_wait(ofproto->ipfix);
1593 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1594 struct ofbundle *bundle;
1596 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1597 bundle_wait(bundle);
1600 if (ofproto->netflow) {
1601 netflow_wait(ofproto->netflow);
1603 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
1604 mac_learning_wait(ofproto->ml);
1605 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1606 mcast_snooping_wait(ofproto->ms);
1608 if (ofproto->backer->need_revalidate) {
1609 poll_immediate_wake();
1612 seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq);
1613 seq_wait(ofproto->ams_seq, ofproto->ams_seqno);
1617 type_get_memory_usage(const char *type, struct simap *usage)
1619 struct dpif_backer *backer;
1621 backer = shash_find_data(&all_dpif_backers, type);
1623 udpif_get_memory_usage(backer->udpif, usage);
1628 flush(struct ofproto *ofproto_)
1630 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1631 struct dpif_backer *backer = ofproto->backer;
1634 udpif_flush(backer->udpif);
1639 query_tables(struct ofproto *ofproto,
1640 struct ofputil_table_features *features,
1641 struct ofputil_table_stats *stats)
1643 strcpy(features->name, "classifier");
1648 for (i = 0; i < ofproto->n_tables; i++) {
1649 unsigned long missed, matched;
1651 atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
1652 atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
1654 stats[i].matched_count = matched;
1655 stats[i].lookup_count = matched + missed;
1661 set_tables_version(struct ofproto *ofproto_, cls_version_t version)
1663 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1665 atomic_store_relaxed(&ofproto->tables_version, version);
1669 static struct ofport *
1672 struct ofport_dpif *port = xzalloc(sizeof *port);
1677 port_dealloc(struct ofport *port_)
1679 struct ofport_dpif *port = ofport_dpif_cast(port_);
1684 port_construct(struct ofport *port_)
1686 struct ofport_dpif *port = ofport_dpif_cast(port_);
1687 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1688 const struct netdev *netdev = port->up.netdev;
1689 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1690 const char *dp_port_name;
1691 struct dpif_port dpif_port;
1694 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1695 port->bundle = NULL;
1699 port->may_enable = false;
1700 port->stp_port = NULL;
1701 port->stp_state = STP_DISABLED;
1702 port->rstp_port = NULL;
1703 port->rstp_state = RSTP_DISABLED;
1704 port->is_tunnel = false;
1708 port->carrier_seq = netdev_get_carrier_resets(netdev);
1709 port->is_layer3 = netdev_vport_is_layer3(netdev);
1711 if (netdev_vport_is_patch(netdev)) {
1712 /* By bailing out here, we don't submit the port to the sFlow module
1713 * to be considered for counter polling export. This is correct
1714 * because the patch port represents an interface that sFlow considers
1715 * to be "internal" to the switch as a whole, and therefore not a
1716 * candidate for counter polling. */
1717 port->odp_port = ODPP_NONE;
1718 ofport_update_peer(port);
1722 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1723 error = dpif_port_query_by_name(ofproto->backer->dpif, dp_port_name,
1729 port->odp_port = dpif_port.port_no;
1731 if (netdev_get_tunnel_config(netdev)) {
1732 atomic_count_inc(&ofproto->backer->tnl_count);
1733 error = tnl_port_add(port, port->up.netdev, port->odp_port,
1734 ovs_native_tunneling_is_on(ofproto), dp_port_name);
1736 atomic_count_dec(&ofproto->backer->tnl_count);
1737 dpif_port_destroy(&dpif_port);
1741 port->is_tunnel = true;
1742 if (ofproto->ipfix) {
1743 dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
1746 /* Sanity-check that a mapping doesn't already exist. This
1747 * shouldn't happen for non-tunnel ports. */
1748 if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
1749 VLOG_ERR("port %s already has an OpenFlow port number",
1751 dpif_port_destroy(&dpif_port);
1755 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1756 hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
1757 hash_odp_port(port->odp_port));
1758 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1760 dpif_port_destroy(&dpif_port);
1762 if (ofproto->sflow) {
1763 dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
1770 port_destruct(struct ofport *port_, bool del)
1772 struct ofport_dpif *port = ofport_dpif_cast(port_);
1773 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1774 const char *devname = netdev_get_name(port->up.netdev);
1775 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1776 const char *dp_port_name;
1778 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1780 xlate_ofport_remove(port);
1783 dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf,
1785 if (del && dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
1786 /* The underlying device is still there, so delete it. This
1787 * happens when the ofproto is being destroyed, since the caller
1788 * assumes that removal of attached ports will happen as part of
1790 if (!port->is_tunnel) {
1791 dpif_port_del(ofproto->backer->dpif, port->odp_port);
1796 port->peer->peer = NULL;
1800 if (port->odp_port != ODPP_NONE && !port->is_tunnel) {
1801 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1802 hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
1803 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1806 if (port->is_tunnel) {
1807 atomic_count_dec(&ofproto->backer->tnl_count);
1810 if (port->is_tunnel && ofproto->ipfix) {
1811 dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
1815 sset_find_and_delete(&ofproto->ports, devname);
1816 sset_find_and_delete(&ofproto->ghost_ports, devname);
1817 bundle_remove(port_);
1818 set_cfm(port_, NULL);
1819 set_bfd(port_, NULL);
1820 set_lldp(port_, NULL);
1821 if (port->stp_port) {
1822 stp_port_disable(port->stp_port);
1824 set_rstp_port(port_, NULL);
1825 if (ofproto->sflow) {
1826 dpif_sflow_del_port(ofproto->sflow, port->odp_port);
1833 port_modified(struct ofport *port_)
1835 struct ofport_dpif *port = ofport_dpif_cast(port_);
1836 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1837 const char *dp_port_name;
1838 struct netdev *netdev = port->up.netdev;
1840 if (port->bundle && port->bundle->bond) {
1841 bond_slave_set_netdev(port->bundle->bond, port, netdev);
1845 cfm_set_netdev(port->cfm, netdev);
1849 bfd_set_netdev(port->bfd, netdev);
1852 ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
1853 port->lldp, &port->up.pp.hw_addr);
1855 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1857 if (port->is_tunnel) {
1858 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1860 if (tnl_port_reconfigure(port, netdev, port->odp_port,
1861 ovs_native_tunneling_is_on(ofproto),
1863 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1867 ofport_update_peer(port);
1871 port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config)
1873 struct ofport_dpif *port = ofport_dpif_cast(port_);
1874 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1875 enum ofputil_port_config changed = old_config ^ port->up.pp.config;
1877 if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
1878 OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
1879 OFPUTIL_PC_NO_PACKET_IN)) {
1880 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1882 if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
1883 bundle_update(port->bundle);
1889 set_sflow(struct ofproto *ofproto_,
1890 const struct ofproto_sflow_options *sflow_options)
1892 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1893 struct dpif_sflow *ds = ofproto->sflow;
1895 if (sflow_options) {
1896 uint32_t old_probability = ds ? dpif_sflow_get_probability(ds) : 0;
1898 struct ofport_dpif *ofport;
1900 ds = ofproto->sflow = dpif_sflow_create();
1901 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1902 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
1905 dpif_sflow_set_options(ds, sflow_options);
1906 if (dpif_sflow_get_probability(ds) != old_probability) {
1907 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1911 dpif_sflow_unref(ds);
1912 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1913 ofproto->sflow = NULL;
1921 struct ofproto *ofproto_,
1922 const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
1923 const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
1924 size_t n_flow_exporters_options)
1926 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1927 struct dpif_ipfix *di = ofproto->ipfix;
1928 bool has_options = bridge_exporter_options || flow_exporters_options;
1929 bool new_di = false;
1931 if (has_options && !di) {
1932 di = ofproto->ipfix = dpif_ipfix_create();
1937 /* Call set_options in any case to cleanly flush the flow
1938 * caches in the last exporters that are to be destroyed. */
1939 dpif_ipfix_set_options(
1940 di, bridge_exporter_options, flow_exporters_options,
1941 n_flow_exporters_options);
1943 /* Add tunnel ports only when a new ipfix created */
1944 if (new_di == true) {
1945 struct ofport_dpif *ofport;
1946 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1947 if (ofport->is_tunnel == true) {
1948 dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
1954 dpif_ipfix_unref(di);
1955 ofproto->ipfix = NULL;
1963 set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
1965 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1966 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
1967 struct cfm *old = ofport->cfm;
1972 ofport->cfm = cfm_create(ofport->up.netdev);
1975 if (cfm_configure(ofport->cfm, s)) {
1982 cfm_unref(ofport->cfm);
1985 if (ofport->cfm != old) {
1986 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1988 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1989 ofport->lldp, &ofport->up.pp.hw_addr);
1994 cfm_status_changed(struct ofport *ofport_)
1996 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1998 return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true;
2002 get_cfm_status(const struct ofport *ofport_,
2003 struct cfm_status *status)
2005 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2009 cfm_get_status(ofport->cfm, status);
2018 set_bfd(struct ofport *ofport_, const struct smap *cfg)
2020 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
2021 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2025 ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev),
2026 cfg, ofport->up.netdev);
2027 if (ofport->bfd != old) {
2028 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2030 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
2031 ofport->lldp, &ofport->up.pp.hw_addr);
2036 bfd_status_changed(struct ofport *ofport_)
2038 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2040 return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true;
2044 get_bfd_status(struct ofport *ofport_, struct smap *smap)
2046 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2050 bfd_get_status(ofport->bfd, smap);
2059 set_lldp(struct ofport *ofport_,
2060 const struct smap *cfg)
2062 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2066 if (!ofport->lldp) {
2067 struct ofproto_dpif *ofproto;
2069 ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2070 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2071 ofport->lldp = lldp_create(ofport->up.netdev, ofport_->mtu, cfg);
2074 if (!lldp_configure(ofport->lldp, cfg)) {
2079 lldp_unref(ofport->lldp);
2080 ofport->lldp = NULL;
2083 ofproto_dpif_monitor_port_update(ofport,
2087 &ofport->up.pp.hw_addr);
2092 get_lldp_status(const struct ofport *ofport_,
2093 struct lldp_status *status OVS_UNUSED)
2095 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2097 return ofport->lldp ? true : false;
2101 set_aa(struct ofproto *ofproto OVS_UNUSED,
2102 const struct aa_settings *s)
2104 return aa_configure(s);
2108 aa_mapping_set(struct ofproto *ofproto_ OVS_UNUSED, void *aux,
2109 const struct aa_mapping_settings *s)
2111 return aa_mapping_register(aux, s);
2115 aa_mapping_unset(struct ofproto *ofproto OVS_UNUSED, void *aux)
2117 return aa_mapping_unregister(aux);
2121 aa_vlan_get_queued(struct ofproto *ofproto OVS_UNUSED, struct ovs_list *list)
2123 return aa_get_vlan_queued(list);
2127 aa_vlan_get_queue_size(struct ofproto *ofproto OVS_UNUSED)
2129 return aa_get_vlan_queue_size();
2133 /* Spanning Tree. */
2135 /* Called while rstp_mutex is held. */
2137 rstp_send_bpdu_cb(struct dp_packet *pkt, void *ofport_, void *ofproto_)
2139 struct ofproto_dpif *ofproto = ofproto_;
2140 struct ofport_dpif *ofport = ofport_;
2141 struct eth_header *eth = dp_packet_l2(pkt);
2143 netdev_get_etheraddr(ofport->up.netdev, ð->eth_src);
2144 if (eth_addr_is_zero(eth->eth_src)) {
2145 VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
2146 "does not have a configured source MAC address.",
2147 ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
2149 ofproto_dpif_send_packet(ofport, pkt);
2151 dp_packet_delete(pkt);
2155 send_bpdu_cb(struct dp_packet *pkt, int port_num, void *ofproto_)
2157 struct ofproto_dpif *ofproto = ofproto_;
2158 struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
2159 struct ofport_dpif *ofport;
2161 ofport = stp_port_get_aux(sp);
2163 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
2164 ofproto->up.name, port_num);
2166 struct eth_header *eth = dp_packet_l2(pkt);
2168 netdev_get_etheraddr(ofport->up.netdev, ð->eth_src);
2169 if (eth_addr_is_zero(eth->eth_src)) {
2170 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
2171 "with unknown MAC", ofproto->up.name, port_num);
2173 ofproto_dpif_send_packet(ofport, pkt);
2176 dp_packet_delete(pkt);
2179 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2181 set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
2183 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2185 /* Only revalidate flows if the configuration changed. */
2186 if (!s != !ofproto->rstp) {
2187 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2191 if (!ofproto->rstp) {
2192 ofproto->rstp = rstp_create(ofproto_->name, s->address,
2193 rstp_send_bpdu_cb, ofproto);
2194 ofproto->rstp_last_tick = time_msec();
2196 rstp_set_bridge_address(ofproto->rstp, s->address);
2197 rstp_set_bridge_priority(ofproto->rstp, s->priority);
2198 rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
2199 rstp_set_bridge_force_protocol_version(ofproto->rstp,
2200 s->force_protocol_version);
2201 rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
2202 rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
2203 rstp_set_bridge_transmit_hold_count(ofproto->rstp,
2204 s->transmit_hold_count);
2206 struct ofport *ofport;
2207 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2208 set_rstp_port(ofport, NULL);
2210 rstp_unref(ofproto->rstp);
2211 ofproto->rstp = NULL;
2216 get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
2218 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2220 if (ofproto->rstp) {
2222 s->root_id = rstp_get_root_id(ofproto->rstp);
2223 s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
2224 s->designated_id = rstp_get_designated_id(ofproto->rstp);
2225 s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
2226 s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
2227 s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
2234 update_rstp_port_state(struct ofport_dpif *ofport)
2236 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2237 enum rstp_state state;
2239 /* Figure out new state. */
2240 state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
2244 if (ofport->rstp_state != state) {
2245 enum ofputil_port_state of_state;
2248 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2249 netdev_get_name(ofport->up.netdev),
2250 rstp_state_name(ofport->rstp_state),
2251 rstp_state_name(state));
2253 if (rstp_learn_in_state(ofport->rstp_state)
2254 != rstp_learn_in_state(state)) {
2255 /* XXX: Learning action flows should also be flushed. */
2256 if (ofport->bundle) {
2257 if (!rstp_shift_root_learned_address(ofproto->rstp)
2258 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2259 bundle_flush_macs(ofport->bundle, false);
2263 fwd_change = rstp_forward_in_state(ofport->rstp_state)
2264 != rstp_forward_in_state(state);
2266 ofproto->backer->need_revalidate = REV_RSTP;
2267 ofport->rstp_state = state;
2269 if (fwd_change && ofport->bundle) {
2270 bundle_update(ofport->bundle);
2273 /* Update the RSTP state bits in the OpenFlow port description. */
2274 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2275 of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
2276 : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2277 : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN
2279 ofproto_port_set_state(&ofport->up, of_state);
2284 rstp_run(struct ofproto_dpif *ofproto)
2286 if (ofproto->rstp) {
2287 long long int now = time_msec();
2288 long long int elapsed = now - ofproto->rstp_last_tick;
2289 struct rstp_port *rp;
2290 struct ofport_dpif *ofport;
2292 /* Every second, decrease the values of the timers. */
2293 if (elapsed >= 1000) {
2294 rstp_tick_timers(ofproto->rstp);
2295 ofproto->rstp_last_tick = now;
2298 while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
2299 update_rstp_port_state(ofport);
2303 /* FIXME: This check should be done on-event (i.e., when setting
2304 * p->fdb_flush) and not periodically.
2306 while ((ofport = rstp_check_and_reset_fdb_flush(ofproto->rstp, &rp))) {
2307 if (!rstp_shift_root_learned_address(ofproto->rstp)
2308 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2309 bundle_flush_macs(ofport->bundle, false);
2313 if (rstp_shift_root_learned_address(ofproto->rstp)) {
2314 struct ofport_dpif *old_root_aux =
2315 (struct ofport_dpif *)rstp_get_old_root_aux(ofproto->rstp);
2316 struct ofport_dpif *new_root_aux =
2317 (struct ofport_dpif *)rstp_get_new_root_aux(ofproto->rstp);
2318 if (old_root_aux != NULL && new_root_aux != NULL) {
2319 bundle_move(old_root_aux->bundle, new_root_aux->bundle);
2320 rstp_reset_root_changed(ofproto->rstp);
2326 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2328 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
2330 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2332 /* Only revalidate flows if the configuration changed. */
2333 if (!s != !ofproto->stp) {
2334 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2338 if (!ofproto->stp) {
2339 ofproto->stp = stp_create(ofproto_->name, s->system_id,
2340 send_bpdu_cb, ofproto);
2341 ofproto->stp_last_tick = time_msec();
2344 stp_set_bridge_id(ofproto->stp, s->system_id);
2345 stp_set_bridge_priority(ofproto->stp, s->priority);
2346 stp_set_hello_time(ofproto->stp, s->hello_time);
2347 stp_set_max_age(ofproto->stp, s->max_age);
2348 stp_set_forward_delay(ofproto->stp, s->fwd_delay);
2350 struct ofport *ofport;
2352 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2353 set_stp_port(ofport, NULL);
2356 stp_unref(ofproto->stp);
2357 ofproto->stp = NULL;
2364 get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
2366 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2370 s->bridge_id = stp_get_bridge_id(ofproto->stp);
2371 s->designated_root = stp_get_designated_root(ofproto->stp);
2372 s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
2381 update_stp_port_state(struct ofport_dpif *ofport)
2383 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2384 enum stp_state state;
2386 /* Figure out new state. */
2387 state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
2391 if (ofport->stp_state != state) {
2392 enum ofputil_port_state of_state;
2395 VLOG_DBG("port %s: STP state changed from %s to %s",
2396 netdev_get_name(ofport->up.netdev),
2397 stp_state_name(ofport->stp_state),
2398 stp_state_name(state));
2399 if (stp_learn_in_state(ofport->stp_state)
2400 != stp_learn_in_state(state)) {
2401 /* xxx Learning action flows should also be flushed. */
2402 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2403 mac_learning_flush(ofproto->ml);
2404 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2405 mcast_snooping_mdb_flush(ofproto->ms);
2407 fwd_change = stp_forward_in_state(ofport->stp_state)
2408 != stp_forward_in_state(state);
2410 ofproto->backer->need_revalidate = REV_STP;
2411 ofport->stp_state = state;
2412 ofport->stp_state_entered = time_msec();
2414 if (fwd_change && ofport->bundle) {
2415 bundle_update(ofport->bundle);
2418 /* Update the STP state bits in the OpenFlow port description. */
2419 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2420 of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN
2421 : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN
2422 : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2423 : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK
2425 ofproto_port_set_state(&ofport->up, of_state);
2429 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2430 * caller is responsible for assigning STP port numbers and ensuring
2431 * there are no duplicates. */
2433 set_stp_port(struct ofport *ofport_,
2434 const struct ofproto_port_stp_settings *s)
2436 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2437 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2438 struct stp_port *sp = ofport->stp_port;
2440 if (!s || !s->enable) {
2442 ofport->stp_port = NULL;
2443 stp_port_disable(sp);
2444 update_stp_port_state(ofport);
2447 } else if (sp && stp_port_no(sp) != s->port_num
2448 && ofport == stp_port_get_aux(sp)) {
2449 /* The port-id changed, so disable the old one if it's not
2450 * already in use by another port. */
2451 stp_port_disable(sp);
2454 sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
2456 /* Set name before enabling the port so that debugging messages can print
2458 stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
2459 stp_port_enable(sp);
2461 stp_port_set_aux(sp, ofport);
2462 stp_port_set_priority(sp, s->priority);
2463 stp_port_set_path_cost(sp, s->path_cost);
2465 update_stp_port_state(ofport);
2471 get_stp_port_status(struct ofport *ofport_,
2472 struct ofproto_port_stp_status *s)
2474 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2475 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2476 struct stp_port *sp = ofport->stp_port;
2478 if (!ofproto->stp || !sp) {
2484 s->port_id = stp_port_get_id(sp);
2485 s->state = stp_port_get_state(sp);
2486 s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
2487 s->role = stp_port_get_role(sp);
2493 get_stp_port_stats(struct ofport *ofport_,
2494 struct ofproto_port_stp_stats *s)
2496 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2497 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2498 struct stp_port *sp = ofport->stp_port;
2500 if (!ofproto->stp || !sp) {
2506 stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
2512 stp_run(struct ofproto_dpif *ofproto)
2515 long long int now = time_msec();
2516 long long int elapsed = now - ofproto->stp_last_tick;
2517 struct stp_port *sp;
2520 stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
2521 ofproto->stp_last_tick = now;
2523 while (stp_get_changed_port(ofproto->stp, &sp)) {
2524 struct ofport_dpif *ofport = stp_port_get_aux(sp);
2527 update_stp_port_state(ofport);
2531 if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
2532 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2533 mac_learning_flush(ofproto->ml);
2534 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2535 mcast_snooping_mdb_flush(ofproto->ms);
2541 stp_wait(struct ofproto_dpif *ofproto)
2544 poll_timer_wait(1000);
2548 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2549 * caller is responsible for assigning RSTP port numbers and ensuring
2550 * there are no duplicates. */
2552 set_rstp_port(struct ofport *ofport_,
2553 const struct ofproto_port_rstp_settings *s)
2555 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2556 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2557 struct rstp_port *rp = ofport->rstp_port;
2559 if (!s || !s->enable) {
2561 rstp_port_set_aux(rp, NULL);
2562 rstp_port_set_state(rp, RSTP_DISABLED);
2563 rstp_port_set_mac_operational(rp, false);
2564 ofport->rstp_port = NULL;
2565 rstp_port_unref(rp);
2566 update_rstp_port_state(ofport);
2571 /* Check if need to add a new port. */
2573 rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
2576 rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
2577 s->admin_edge_port, s->auto_edge,
2578 s->admin_p2p_mac_state, s->admin_port_state, s->mcheck,
2580 update_rstp_port_state(ofport);
2581 /* Synchronize operational status. */
2582 rstp_port_set_mac_operational(rp, ofport->may_enable);
2586 get_rstp_port_status(struct ofport *ofport_,
2587 struct ofproto_port_rstp_status *s)
2589 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2590 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2591 struct rstp_port *rp = ofport->rstp_port;
2593 if (!ofproto->rstp || !rp) {
2599 rstp_port_get_status(rp, &s->port_id, &s->state, &s->role,
2600 &s->designated_bridge_id, &s->designated_port_id,
2601 &s->designated_path_cost, &s->tx_count,
2602 &s->rx_count, &s->error_count, &s->uptime);
2607 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
2610 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2611 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2613 if (ofport->n_qdscp != n_qdscp
2614 || (n_qdscp && memcmp(ofport->qdscp, qdscp,
2615 n_qdscp * sizeof *qdscp))) {
2616 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2617 free(ofport->qdscp);
2618 ofport->qdscp = n_qdscp
2619 ? xmemdup(qdscp, n_qdscp * sizeof *qdscp)
2621 ofport->n_qdscp = n_qdscp;
2629 /* Expires all MAC learning entries associated with 'bundle' and forces its
2630 * ofproto to revalidate every flow.
2632 * Normally MAC learning entries are removed only from the ofproto associated
2633 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2634 * are removed from every ofproto. When patch ports and SLB bonds are in use
2635 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2636 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2637 * with the host from which it migrated. */
2639 bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
2641 struct ofproto_dpif *ofproto = bundle->ofproto;
2642 struct mac_learning *ml = ofproto->ml;
2643 struct mac_entry *mac, *next_mac;
2645 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2646 ovs_rwlock_wrlock(&ml->rwlock);
2647 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2648 if (mac_entry_get_port(ml, mac) == bundle) {
2650 struct ofproto_dpif *o;
2652 HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
2654 struct mac_entry *e;
2656 ovs_rwlock_wrlock(&o->ml->rwlock);
2657 e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
2659 mac_learning_expire(o->ml, e);
2661 ovs_rwlock_unlock(&o->ml->rwlock);
2666 mac_learning_expire(ml, mac);
2669 ovs_rwlock_unlock(&ml->rwlock);
2673 bundle_move(struct ofbundle *old, struct ofbundle *new)
2675 struct ofproto_dpif *ofproto = old->ofproto;
2676 struct mac_learning *ml = ofproto->ml;
2677 struct mac_entry *mac, *next_mac;
2679 ovs_assert(new->ofproto == old->ofproto);
2681 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2682 ovs_rwlock_wrlock(&ml->rwlock);
2683 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2684 if (mac_entry_get_port(ml, mac) == old) {
2685 mac_entry_set_port(ml, mac, new);
2688 ovs_rwlock_unlock(&ml->rwlock);
2691 static struct ofbundle *
2692 bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
2694 struct ofbundle *bundle;
2696 HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0),
2697 &ofproto->bundles) {
2698 if (bundle->aux == aux) {
2706 bundle_update(struct ofbundle *bundle)
2708 struct ofport_dpif *port;
2710 bundle->floodable = true;
2711 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2712 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2714 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2715 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2716 bundle->floodable = false;
2723 bundle_del_port(struct ofport_dpif *port)
2725 struct ofbundle *bundle = port->bundle;
2727 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2729 ovs_list_remove(&port->bundle_node);
2730 port->bundle = NULL;
2733 lacp_slave_unregister(bundle->lacp, port);
2736 bond_slave_unregister(bundle->bond, port);
2739 bundle_update(bundle);
2743 bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port,
2744 struct lacp_slave_settings *lacp)
2746 struct ofport_dpif *port;
2748 port = ofp_port_to_ofport(bundle->ofproto, ofp_port);
2753 if (port->bundle != bundle) {
2754 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2756 bundle_remove(&port->up);
2759 port->bundle = bundle;
2760 ovs_list_push_back(&bundle->ports, &port->bundle_node);
2761 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2763 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2764 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2765 bundle->floodable = false;
2769 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2770 lacp_slave_register(bundle->lacp, port, lacp);
2777 bundle_destroy(struct ofbundle *bundle)
2779 struct ofproto_dpif *ofproto;
2780 struct ofport_dpif *port, *next_port;
2786 ofproto = bundle->ofproto;
2787 mbridge_unregister_bundle(ofproto->mbridge, bundle);
2790 xlate_bundle_remove(bundle);
2793 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2794 bundle_del_port(port);
2797 bundle_flush_macs(bundle, true);
2798 hmap_remove(&ofproto->bundles, &bundle->hmap_node);
2800 free(bundle->trunks);
2801 lacp_unref(bundle->lacp);
2802 bond_unref(bundle->bond);
2807 bundle_set(struct ofproto *ofproto_, void *aux,
2808 const struct ofproto_bundle_settings *s)
2810 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2811 bool need_flush = false;
2812 struct ofport_dpif *port;
2813 struct ofbundle *bundle;
2814 unsigned long *trunks;
2820 bundle_destroy(bundle_lookup(ofproto, aux));
2824 ovs_assert(s->n_slaves == 1 || s->bond != NULL);
2825 ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL));
2827 bundle = bundle_lookup(ofproto, aux);
2829 bundle = xmalloc(sizeof *bundle);
2831 bundle->ofproto = ofproto;
2832 hmap_insert(&ofproto->bundles, &bundle->hmap_node,
2833 hash_pointer(aux, 0));
2835 bundle->name = NULL;
2837 ovs_list_init(&bundle->ports);
2838 bundle->vlan_mode = PORT_VLAN_TRUNK;
2840 bundle->trunks = NULL;
2841 bundle->use_priority_tags = s->use_priority_tags;
2842 bundle->lacp = NULL;
2843 bundle->bond = NULL;
2845 bundle->floodable = true;
2846 mbridge_register_bundle(ofproto->mbridge, bundle);
2849 if (!bundle->name || strcmp(s->name, bundle->name)) {
2851 bundle->name = xstrdup(s->name);
2856 ofproto->lacp_enabled = true;
2857 if (!bundle->lacp) {
2858 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2859 bundle->lacp = lacp_create();
2861 lacp_configure(bundle->lacp, s->lacp);
2863 lacp_unref(bundle->lacp);
2864 bundle->lacp = NULL;
2867 /* Update set of ports. */
2869 for (i = 0; i < s->n_slaves; i++) {
2870 if (!bundle_add_port(bundle, s->slaves[i],
2871 s->lacp ? &s->lacp_slaves[i] : NULL)) {
2875 if (!ok || ovs_list_size(&bundle->ports) != s->n_slaves) {
2876 struct ofport_dpif *next_port;
2878 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2879 for (i = 0; i < s->n_slaves; i++) {
2880 if (s->slaves[i] == port->up.ofp_port) {
2885 bundle_del_port(port);
2889 ovs_assert(ovs_list_size(&bundle->ports) <= s->n_slaves);
2891 if (ovs_list_is_empty(&bundle->ports)) {
2892 bundle_destroy(bundle);
2896 /* Set VLAN tagging mode */
2897 if (s->vlan_mode != bundle->vlan_mode
2898 || s->use_priority_tags != bundle->use_priority_tags) {
2899 bundle->vlan_mode = s->vlan_mode;
2900 bundle->use_priority_tags = s->use_priority_tags;
2905 vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1
2906 : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan
2908 if (vlan != bundle->vlan) {
2909 bundle->vlan = vlan;
2913 /* Get trunked VLANs. */
2914 switch (s->vlan_mode) {
2915 case PORT_VLAN_ACCESS:
2919 case PORT_VLAN_TRUNK:
2920 trunks = CONST_CAST(unsigned long *, s->trunks);
2923 case PORT_VLAN_NATIVE_UNTAGGED:
2924 case PORT_VLAN_NATIVE_TAGGED:
2925 if (vlan != 0 && (!s->trunks
2926 || !bitmap_is_set(s->trunks, vlan)
2927 || bitmap_is_set(s->trunks, 0))) {
2928 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2930 trunks = bitmap_clone(s->trunks, 4096);
2932 trunks = bitmap_allocate1(4096);
2934 bitmap_set1(trunks, vlan);
2935 bitmap_set0(trunks, 0);
2937 trunks = CONST_CAST(unsigned long *, s->trunks);
2944 if (!vlan_bitmap_equal(trunks, bundle->trunks)) {
2945 free(bundle->trunks);
2946 if (trunks == s->trunks) {
2947 bundle->trunks = vlan_bitmap_clone(trunks);
2949 bundle->trunks = trunks;
2954 if (trunks != s->trunks) {
2959 if (!ovs_list_is_short(&bundle->ports)) {
2960 bundle->ofproto->has_bonded_bundles = true;
2962 if (bond_reconfigure(bundle->bond, s->bond)) {
2963 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2966 bundle->bond = bond_create(s->bond, ofproto);
2967 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2970 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2971 bond_slave_register(bundle->bond, port,
2972 port->up.ofp_port, port->up.netdev);
2975 bond_unref(bundle->bond);
2976 bundle->bond = NULL;
2979 /* If we changed something that would affect MAC learning, un-learn
2980 * everything on this port and force flow revalidation. */
2982 bundle_flush_macs(bundle, false);
2989 bundle_remove(struct ofport *port_)
2991 struct ofport_dpif *port = ofport_dpif_cast(port_);
2992 struct ofbundle *bundle = port->bundle;
2995 bundle_del_port(port);
2996 if (ovs_list_is_empty(&bundle->ports)) {
2997 bundle_destroy(bundle);
2998 } else if (ovs_list_is_short(&bundle->ports)) {
2999 bond_unref(bundle->bond);
3000 bundle->bond = NULL;
3006 send_pdu_cb(void *port_, const void *pdu, size_t pdu_size)
3008 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
3009 struct ofport_dpif *port = port_;
3013 error = netdev_get_etheraddr(port->up.netdev, &ea);
3015 struct dp_packet packet;
3018 dp_packet_init(&packet, 0);
3019 packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
3021 memcpy(packet_pdu, pdu, pdu_size);
3023 ofproto_dpif_send_packet(port, &packet);
3024 dp_packet_uninit(&packet);
3026 VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
3027 "%s (%s)", port->bundle->name,
3028 netdev_get_name(port->up.netdev), ovs_strerror(error));
3033 bundle_send_learning_packets(struct ofbundle *bundle)
3035 struct ofproto_dpif *ofproto = bundle->ofproto;
3036 int error, n_packets, n_errors;
3037 struct mac_entry *e;
3039 struct ovs_list list_node;
3040 struct ofport_dpif *port;
3041 struct dp_packet *pkt;
3043 struct ovs_list packets;
3045 ovs_list_init(&packets);
3046 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
3047 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
3048 if (mac_entry_get_port(ofproto->ml, e) != bundle) {
3049 pkt_node = xmalloc(sizeof *pkt_node);
3050 pkt_node->pkt = bond_compose_learning_packet(bundle->bond,
3052 (void **)&pkt_node->port);
3053 ovs_list_push_back(&packets, &pkt_node->list_node);
3056 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3058 error = n_packets = n_errors = 0;
3059 LIST_FOR_EACH_POP (pkt_node, list_node, &packets) {
3062 ret = ofproto_dpif_send_packet(pkt_node->port, pkt_node->pkt);
3063 dp_packet_delete(pkt_node->pkt);
3073 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3074 VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
3075 "packets, last error was: %s",
3076 bundle->name, n_errors, n_packets, ovs_strerror(error));
3078 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3079 bundle->name, n_packets);
3084 bundle_run(struct ofbundle *bundle)
3087 lacp_run(bundle->lacp, send_pdu_cb);
3090 struct ofport_dpif *port;
3092 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
3093 bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
3096 if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
3097 bundle->ofproto->backer->need_revalidate = REV_BOND;
3100 if (bond_should_send_learning_packets(bundle->bond)) {
3101 bundle_send_learning_packets(bundle);
3107 bundle_wait(struct ofbundle *bundle)
3110 lacp_wait(bundle->lacp);
3113 bond_wait(bundle->bond);
3120 mirror_set__(struct ofproto *ofproto_, void *aux,
3121 const struct ofproto_mirror_settings *s)
3123 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3124 struct ofbundle **srcs, **dsts;
3129 mirror_destroy(ofproto->mbridge, aux);
3133 srcs = xmalloc(s->n_srcs * sizeof *srcs);
3134 dsts = xmalloc(s->n_dsts * sizeof *dsts);
3136 for (i = 0; i < s->n_srcs; i++) {
3137 srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
3140 for (i = 0; i < s->n_dsts; i++) {
3141 dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
3144 error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
3145 s->n_dsts, s->src_vlans,
3146 bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
3153 mirror_get_stats__(struct ofproto *ofproto, void *aux,
3154 uint64_t *packets, uint64_t *bytes)
3156 return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
3161 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
3163 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3164 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3165 if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
3166 mac_learning_flush(ofproto->ml);
3168 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3173 is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
3175 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3176 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3177 return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
3181 forward_bpdu_changed(struct ofproto *ofproto_)
3183 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3184 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3188 set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
3191 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3192 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3193 mac_learning_set_idle_time(ofproto->ml, idle_time);
3194 mac_learning_set_max_entries(ofproto->ml, max_entries);
3195 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3198 /* Configures multicast snooping on 'ofport' using the settings
3199 * defined in 's'. */
3201 set_mcast_snooping(struct ofproto *ofproto_,
3202 const struct ofproto_mcast_snooping_settings *s)
3204 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3206 /* Only revalidate flows if the configuration changed. */
3207 if (!s != !ofproto->ms) {
3208 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3213 ofproto->ms = mcast_snooping_create();
3216 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3217 mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
3218 mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
3219 if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
3220 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3222 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3224 mcast_snooping_unref(ofproto->ms);
3231 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3233 set_mcast_snooping_port(struct ofproto *ofproto_, void *aux,
3234 const struct ofproto_mcast_snooping_port_settings *s)
3236 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3237 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3239 if (ofproto->ms && s) {
3240 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3241 mcast_snooping_set_port_flood(ofproto->ms, bundle, s->flood);
3242 mcast_snooping_set_port_flood_reports(ofproto->ms, bundle,
3244 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3252 struct ofport_dpif *
3253 ofp_port_to_ofport(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
3255 struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port);
3256 return ofport ? ofport_dpif_cast(ofport) : NULL;
3260 ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto,
3261 struct ofproto_port *ofproto_port,
3262 struct dpif_port *dpif_port)
3264 ofproto_port->name = dpif_port->name;
3265 ofproto_port->type = dpif_port->type;
3266 ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
3270 ofport_update_peer(struct ofport_dpif *ofport)
3272 const struct ofproto_dpif *ofproto;
3273 struct dpif_backer *backer;
3276 if (!netdev_vport_is_patch(ofport->up.netdev)) {
3280 backer = ofproto_dpif_cast(ofport->up.ofproto)->backer;
3281 backer->need_revalidate = REV_RECONFIGURE;
3284 ofport->peer->peer = NULL;
3285 ofport->peer = NULL;
3288 peer_name = netdev_vport_patch_peer(ofport->up.netdev);
3293 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
3294 struct ofport *peer_ofport;
3295 struct ofport_dpif *peer;
3298 if (ofproto->backer != backer) {
3302 peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name);
3307 peer = ofport_dpif_cast(peer_ofport);
3308 peer_peer = netdev_vport_patch_peer(peer->up.netdev);
3309 if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev),
3311 ofport->peer = peer;
3312 ofport->peer->peer = ofport;
3322 port_run(struct ofport_dpif *ofport)
3324 long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev);
3325 bool carrier_changed = carrier_seq != ofport->carrier_seq;
3326 bool enable = netdev_get_carrier(ofport->up.netdev);
3327 bool cfm_enable = false;
3328 bool bfd_enable = false;
3330 ofport->carrier_seq = carrier_seq;
3333 int cfm_opup = cfm_get_opup(ofport->cfm);
3335 cfm_enable = !cfm_get_fault(ofport->cfm);
3337 if (cfm_opup >= 0) {
3338 cfm_enable = cfm_enable && cfm_opup;
3343 bfd_enable = bfd_forwarding(ofport->bfd);
3346 if (ofport->bfd || ofport->cfm) {
3347 enable = enable && (cfm_enable || bfd_enable);
3350 if (ofport->bundle) {
3351 enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
3352 if (carrier_changed) {
3353 lacp_slave_carrier_changed(ofport->bundle->lacp, ofport);
3357 if (ofport->may_enable != enable) {
3358 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3360 ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
3362 if (ofport->rstp_port) {
3363 rstp_port_set_mac_operational(ofport->rstp_port, enable);
3367 ofport->may_enable = enable;
3371 port_query_by_name(const struct ofproto *ofproto_, const char *devname,
3372 struct ofproto_port *ofproto_port)
3374 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3375 struct dpif_port dpif_port;
3378 if (sset_contains(&ofproto->ghost_ports, devname)) {
3379 const char *type = netdev_get_type_from_name(devname);
3381 /* We may be called before ofproto->up.port_by_name is populated with
3382 * the appropriate ofport. For this reason, we must get the name and
3383 * type from the netdev layer directly. */
3385 const struct ofport *ofport;
3387 ofport = shash_find_data(&ofproto->up.port_by_name, devname);
3388 ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
3389 ofproto_port->name = xstrdup(devname);
3390 ofproto_port->type = xstrdup(type);
3396 if (!sset_contains(&ofproto->ports, devname)) {
3399 error = dpif_port_query_by_name(ofproto->backer->dpif,
3400 devname, &dpif_port);
3402 ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port);
3408 port_add(struct ofproto *ofproto_, struct netdev *netdev)
3410 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3411 const char *devname = netdev_get_name(netdev);
3412 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
3413 const char *dp_port_name;
3415 if (netdev_vport_is_patch(netdev)) {
3416 sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
3420 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
3421 if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
3422 odp_port_t port_no = ODPP_NONE;
3425 error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
3429 if (netdev_get_tunnel_config(netdev)) {
3430 simap_put(&ofproto->backer->tnl_backers,
3431 dp_port_name, odp_to_u32(port_no));
3435 if (netdev_get_tunnel_config(netdev)) {
3436 sset_add(&ofproto->ghost_ports, devname);
3438 sset_add(&ofproto->ports, devname);
3444 port_del(struct ofproto *ofproto_, ofp_port_t ofp_port)
3446 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3447 struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
3454 sset_find_and_delete(&ofproto->ghost_ports,
3455 netdev_get_name(ofport->up.netdev));
3456 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3457 if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) {
3458 error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
3460 /* The caller is going to close ofport->up.netdev. If this is a
3461 * bonded port, then the bond is using that netdev, so remove it
3462 * from the bond. The client will need to reconfigure everything
3463 * after deleting ports, so then the slave will get re-added. */
3464 bundle_remove(&ofport->up);
3471 port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
3473 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3476 error = netdev_get_stats(ofport->up.netdev, stats);
3478 if (!error && ofport_->ofp_port == OFPP_LOCAL) {
3479 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3481 ovs_mutex_lock(&ofproto->stats_mutex);
3482 /* ofproto->stats.tx_packets represents packets that we created
3483 * internally and sent to some port (e.g. packets sent with
3484 * ofproto_dpif_send_packet()). Account for them as if they had
3485 * come from OFPP_LOCAL and got forwarded. */
3487 if (stats->rx_packets != UINT64_MAX) {
3488 stats->rx_packets += ofproto->stats.tx_packets;
3491 if (stats->rx_bytes != UINT64_MAX) {
3492 stats->rx_bytes += ofproto->stats.tx_bytes;
3495 /* ofproto->stats.rx_packets represents packets that were received on
3496 * some port and we processed internally and dropped (e.g. STP).
3497 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3499 if (stats->tx_packets != UINT64_MAX) {
3500 stats->tx_packets += ofproto->stats.rx_packets;
3503 if (stats->tx_bytes != UINT64_MAX) {
3504 stats->tx_bytes += ofproto->stats.rx_bytes;
3506 ovs_mutex_unlock(&ofproto->stats_mutex);
3513 port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats)
3515 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3516 if (ofport->bundle && ofport->bundle->lacp) {
3517 if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) {
3524 struct port_dump_state {
3525 struct sset_position pos;
3528 struct ofproto_port port;
3533 port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
3535 *statep = xzalloc(sizeof(struct port_dump_state));
3540 port_dump_next(const struct ofproto *ofproto_, void *state_,
3541 struct ofproto_port *port)
3543 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3544 struct port_dump_state *state = state_;
3545 const struct sset *sset;
3546 struct sset_node *node;
3548 if (state->has_port) {
3549 ofproto_port_destroy(&state->port);
3550 state->has_port = false;
3552 sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
3553 while ((node = sset_at_position(sset, &state->pos))) {
3556 error = port_query_by_name(ofproto_, node->name, &state->port);
3558 *port = state->port;
3559 state->has_port = true;
3561 } else if (error != ENODEV) {
3566 if (!state->ghost) {
3567 state->ghost = true;
3568 memset(&state->pos, 0, sizeof state->pos);
3569 return port_dump_next(ofproto_, state_, port);
3576 port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_)
3578 struct port_dump_state *state = state_;
3580 if (state->has_port) {
3581 ofproto_port_destroy(&state->port);
3588 port_poll(const struct ofproto *ofproto_, char **devnamep)
3590 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3592 if (ofproto->port_poll_errno) {
3593 int error = ofproto->port_poll_errno;
3594 ofproto->port_poll_errno = 0;
3598 if (sset_is_empty(&ofproto->port_poll_set)) {
3602 *devnamep = sset_pop(&ofproto->port_poll_set);
3607 port_poll_wait(const struct ofproto *ofproto_)
3609 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3610 dpif_port_poll_wait(ofproto->backer->dpif);
3614 port_is_lacp_current(const struct ofport *ofport_)
3616 const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3617 return (ofport->bundle && ofport->bundle->lacp
3618 ? lacp_slave_is_current(ofport->bundle->lacp, ofport)
3622 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3623 * then delete it entirely. */
3625 rule_expire(struct rule_dpif *rule, long long now)
3626 OVS_REQUIRES(ofproto_mutex)
3628 uint16_t hard_timeout, idle_timeout;
3631 hard_timeout = rule->up.hard_timeout;
3632 idle_timeout = rule->up.idle_timeout;
3634 /* Has 'rule' expired? */
3636 long long int modified;
3638 ovs_mutex_lock(&rule->up.mutex);
3639 modified = rule->up.modified;
3640 ovs_mutex_unlock(&rule->up.mutex);
3642 if (now > modified + hard_timeout * 1000) {
3643 reason = OFPRR_HARD_TIMEOUT;
3647 if (reason < 0 && idle_timeout) {
3650 ovs_mutex_lock(&rule->stats_mutex);
3651 used = rule->stats.used;
3652 ovs_mutex_unlock(&rule->stats_mutex);
3654 if (now > used + idle_timeout * 1000) {
3655 reason = OFPRR_IDLE_TIMEOUT;
3660 COVERAGE_INC(ofproto_dpif_expired);
3661 ofproto_rule_expire(&rule->up, reason);
3666 ofproto_dpif_set_packet_odp_port(const struct ofproto_dpif *ofproto,
3667 ofp_port_t in_port, struct dp_packet *packet)
3669 if (in_port == OFPP_NONE) {
3670 in_port = OFPP_LOCAL;
3672 packet->md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
3676 ofproto_dpif_execute_actions__(struct ofproto_dpif *ofproto,
3677 const struct flow *flow,
3678 struct rule_dpif *rule,
3679 const struct ofpact *ofpacts, size_t ofpacts_len,
3680 int indentation, int depth, int resubmits,
3681 struct dp_packet *packet)
3683 struct dpif_flow_stats stats;
3684 struct xlate_out xout;
3685 struct xlate_in xin;
3686 struct dpif_execute execute;
3689 ovs_assert((rule != NULL) != (ofpacts != NULL));
3691 dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
3694 rule_dpif_credit_stats(rule, &stats);
3697 uint64_t odp_actions_stub[1024 / 8];
3698 struct ofpbuf odp_actions = OFPBUF_STUB_INITIALIZER(odp_actions_stub);
3699 xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
3700 stats.tcp_flags, packet, NULL, &odp_actions);
3701 xin.ofpacts = ofpacts;
3702 xin.ofpacts_len = ofpacts_len;
3703 xin.resubmit_stats = &stats;
3704 xin.indentation = indentation;
3706 xin.resubmits = resubmits;
3707 if (xlate_actions(&xin, &xout) != XLATE_OK) {
3712 execute.actions = odp_actions.data;
3713 execute.actions_len = odp_actions.size;
3715 pkt_metadata_from_flow(&packet->md, flow);
3716 execute.packet = packet;
3717 execute.flow = flow;
3718 execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
3719 execute.probe = false;
3722 /* Fix up in_port. */
3723 ofproto_dpif_set_packet_odp_port(ofproto, flow->in_port.ofp_port, packet);
3725 error = dpif_execute(ofproto->backer->dpif, &execute);
3727 xlate_out_uninit(&xout);
3728 ofpbuf_uninit(&odp_actions);
3733 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3734 * 'flow' must reflect the data in 'packet'. */
3736 ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
3737 const struct flow *flow,
3738 struct rule_dpif *rule,
3739 const struct ofpact *ofpacts, size_t ofpacts_len,
3740 struct dp_packet *packet)
3742 return ofproto_dpif_execute_actions__(ofproto, flow, rule, ofpacts,
3743 ofpacts_len, 0, 0, 0, packet);
3747 rule_dpif_credit_stats(struct rule_dpif *rule,
3748 const struct dpif_flow_stats *stats)
3750 ovs_mutex_lock(&rule->stats_mutex);
3751 if (OVS_UNLIKELY(rule->new_rule)) {
3752 rule_dpif_credit_stats(rule->new_rule, stats);
3754 rule->stats.n_packets += stats->n_packets;
3755 rule->stats.n_bytes += stats->n_bytes;
3756 rule->stats.used = MAX(rule->stats.used, stats->used);
3758 ovs_mutex_unlock(&rule->stats_mutex);
3762 rule_dpif_get_flow_cookie(const struct rule_dpif *rule)
3763 OVS_REQUIRES(rule->up.mutex)
3765 return rule->up.flow_cookie;
3769 rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout,
3770 uint16_t hard_timeout)
3772 ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
3775 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3776 * be read until the calling thread quiesces. */
3777 const struct rule_actions *
3778 rule_dpif_get_actions(const struct rule_dpif *rule)
3780 return rule_get_actions(&rule->up);
3783 /* Sets 'rule''s recirculation id. */
3785 rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
3786 OVS_REQUIRES(rule->up.mutex)
3788 ovs_assert(!rule->recirc_id || rule->recirc_id == id);
3789 if (rule->recirc_id == id) {
3790 /* Release the new reference to the same id. */
3793 rule->recirc_id = id;
3797 /* Sets 'rule''s recirculation id. */
3799 rule_set_recirc_id(struct rule *rule_, uint32_t id)
3801 struct rule_dpif *rule = rule_dpif_cast(rule_);
3803 ovs_mutex_lock(&rule->up.mutex);
3804 rule_dpif_set_recirc_id(rule, id);
3805 ovs_mutex_unlock(&rule->up.mutex);
3809 ofproto_dpif_get_tables_version(struct ofproto_dpif *ofproto OVS_UNUSED)
3811 cls_version_t version;
3813 atomic_read_relaxed(&ofproto->tables_version, &version);
3818 /* The returned rule (if any) is valid at least until the next RCU quiescent
3819 * period. If the rule needs to stay around longer, the caller should take
3822 * 'flow' is non-const to allow for temporary modifications during the lookup.
3823 * Any changes are restored before returning. */
3824 static struct rule_dpif *
3825 rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, cls_version_t version,
3826 uint8_t table_id, struct flow *flow,
3827 struct flow_wildcards *wc)
3829 struct classifier *cls = &ofproto->up.tables[table_id].cls;
3830 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls, version,
3834 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
3835 * table '*table_id'. Returns the rule that was found, which may be one of the
3836 * special rules according to packet miss hadling. If 'may_packet_in' is
3837 * false, returning of the miss_rule (which issues packet ins for the
3838 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
3839 * that were used during the lookup.
3841 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3842 * if none is found then the table miss configuration for that table is
3843 * honored, which can result in additional lookups in other OpenFlow tables.
3844 * In this case the function updates '*table_id' to reflect the final OpenFlow
3845 * table that was searched.
3847 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3850 * The rule is returned in '*rule', which is valid at least until the next
3851 * RCU quiescent period. If the '*rule' needs to stay around longer, the
3852 * caller must take a reference.
3854 * 'in_port' allows the lookup to take place as if the in port had the value
3855 * 'in_port'. This is needed for resubmit action support.
3857 * 'flow' is non-const to allow for temporary modifications during the lookup.
3858 * Any changes are restored before returning. */
3860 rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto,
3861 cls_version_t version, struct flow *flow,
3862 struct flow_wildcards *wc,
3863 const struct dpif_flow_stats *stats,
3864 uint8_t *table_id, ofp_port_t in_port,
3865 bool may_packet_in, bool honor_table_miss)
3867 ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst;
3868 ofp_port_t old_in_port = flow->in_port.ofp_port;
3869 enum ofputil_table_miss miss_config;
3870 struct rule_dpif *rule;
3873 /* We always unwildcard nw_frag (for IP), so they
3874 * need not be unwildcarded here. */
3875 if (flow->nw_frag & FLOW_NW_FRAG_ANY
3876 && ofproto->up.frag_handling != OFPUTIL_FRAG_NX_MATCH) {
3877 if (ofproto->up.frag_handling == OFPUTIL_FRAG_NORMAL) {
3878 /* We must pretend that transport ports are unavailable. */
3879 flow->tp_src = htons(0);
3880 flow->tp_dst = htons(0);
3882 /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM).
3883 * Use the drop_frags_rule (which cannot disappear). */
3884 rule = ofproto->drop_frags_rule;
3886 struct oftable *tbl = &ofproto->up.tables[*table_id];
3889 atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig);
3895 /* Look up a flow with 'in_port' as the input port. Then restore the
3896 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3897 * have surprising behavior). */
3898 flow->in_port.ofp_port = in_port;
3900 /* Our current implementation depends on n_tables == N_TABLES, and
3901 * TBL_INTERNAL being the last table. */
3902 BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1);
3904 miss_config = OFPUTIL_TABLE_MISS_CONTINUE;
3906 for (next_id = *table_id;
3907 next_id < ofproto->up.n_tables;
3908 next_id++, next_id += (next_id == TBL_INTERNAL))
3910 *table_id = next_id;
3911 rule = rule_dpif_lookup_in_table(ofproto, version, next_id, flow, wc);
3913 struct oftable *tbl = &ofproto->up.tables[next_id];
3916 atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed,
3917 stats->n_packets, &orig);
3920 goto out; /* Match. */
3922 if (honor_table_miss) {
3923 miss_config = ofproto_table_get_miss_config(&ofproto->up,
3925 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) {
3932 rule = ofproto->no_packet_in_rule;
3933 if (may_packet_in) {
3934 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE
3935 || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) {
3936 struct ofport_dpif *port;
3938 port = ofp_port_to_ofport(ofproto, old_in_port);
3940 VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
3942 } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) {
3943 rule = ofproto->miss_rule;
3945 } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT &&
3946 connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
3947 rule = ofproto->miss_rule;
3951 /* Restore port numbers, as they may have been modified above. */
3952 flow->tp_src = old_tp_src;
3953 flow->tp_dst = old_tp_dst;
3954 /* Restore the old in port. */
3955 flow->in_port.ofp_port = old_in_port;
3961 complete_operation(struct rule_dpif *rule)
3962 OVS_REQUIRES(ofproto_mutex)
3964 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3966 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
3969 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
3971 return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL;
3974 static struct rule *
3977 struct rule_dpif *rule = xzalloc(sizeof *rule);
3982 rule_dealloc(struct rule *rule_)
3984 struct rule_dpif *rule = rule_dpif_cast(rule_);
3989 check_mask(struct ofproto_dpif *ofproto, const struct miniflow *flow)
3991 const struct odp_support *support;
3992 uint16_t ct_state, ct_zone;
3996 support = &ofproto_dpif_get_support(ofproto)->odp;
3997 ct_state = MINIFLOW_GET_U16(flow, ct_state);
3998 if (support->ct_state && support->ct_zone && support->ct_mark
3999 && support->ct_label && support->ct_state_nat) {
4000 return ct_state & CS_UNSUPPORTED_MASK ? OFPERR_OFPBMC_BAD_MASK : 0;
4003 ct_zone = MINIFLOW_GET_U16(flow, ct_zone);
4004 ct_mark = MINIFLOW_GET_U32(flow, ct_mark);
4005 ct_label = MINIFLOW_GET_U128(flow, ct_label);
4007 if ((ct_state && !support->ct_state)
4008 || (ct_state & CS_UNSUPPORTED_MASK)
4009 || ((ct_state & (CS_SRC_NAT | CS_DST_NAT)) && !support->ct_state_nat)
4010 || (ct_zone && !support->ct_zone)
4011 || (ct_mark && !support->ct_mark)
4012 || (!ovs_u128_is_zero(ct_label) && !support->ct_label)) {
4013 return OFPERR_OFPBMC_BAD_MASK;
4020 check_actions(const struct ofproto_dpif *ofproto,
4021 const struct rule_actions *const actions)
4023 const struct ofpact *ofpact;
4025 OFPACT_FOR_EACH (ofpact, actions->ofpacts, actions->ofpacts_len) {
4026 const struct odp_support *support;
4027 const struct ofpact_conntrack *ct;
4028 const struct ofpact *a;
4030 if (ofpact->type != OFPACT_CT) {
4034 ct = CONTAINER_OF(ofpact, struct ofpact_conntrack, ofpact);
4035 support = &ofproto_dpif_get_support(ofproto)->odp;
4037 if (!support->ct_state) {
4038 return OFPERR_OFPBAC_BAD_TYPE;
4040 if ((ct->zone_imm || ct->zone_src.field) && !support->ct_zone) {
4041 return OFPERR_OFPBAC_BAD_ARGUMENT;
4044 OFPACT_FOR_EACH(a, ct->actions, ofpact_ct_get_action_len(ct)) {
4045 const struct mf_field *dst = ofpact_get_mf_dst(a);
4047 if (a->type == OFPACT_NAT && !support->ct_state_nat) {
4048 /* The backer doesn't seem to support the NAT bits in
4049 * 'ct_state': assume that it doesn't support the NAT
4051 return OFPERR_OFPBAC_BAD_TYPE;
4053 if (dst && ((dst->id == MFF_CT_MARK && !support->ct_mark)
4054 || (dst->id == MFF_CT_LABEL && !support->ct_label))) {
4055 return OFPERR_OFPBAC_BAD_SET_ARGUMENT;
4064 rule_check(struct rule *rule)
4066 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->ofproto);
4069 err = check_mask(ofproto, &rule->cr.match.mask->masks);
4073 return check_actions(ofproto, rule->actions);
4077 rule_construct(struct rule *rule_)
4078 OVS_NO_THREAD_SAFETY_ANALYSIS
4080 struct rule_dpif *rule = rule_dpif_cast(rule_);
4083 error = rule_check(rule_);
4088 ovs_mutex_init_adaptive(&rule->stats_mutex);
4089 rule->stats.n_packets = 0;
4090 rule->stats.n_bytes = 0;
4091 rule->stats.used = rule->up.modified;
4092 rule->recirc_id = 0;
4093 rule->new_rule = NULL;
4099 rule_insert(struct rule *rule_, struct rule *old_rule_, bool forward_stats)
4100 OVS_REQUIRES(ofproto_mutex)
4102 struct rule_dpif *rule = rule_dpif_cast(rule_);
4104 if (old_rule_ && forward_stats) {
4105 struct rule_dpif *old_rule = rule_dpif_cast(old_rule_);
4107 ovs_assert(!old_rule->new_rule);
4109 /* Take a reference to the new rule, and refer all stats updates from
4110 * the old rule to the new rule. */
4111 rule_dpif_ref(rule);
4113 ovs_mutex_lock(&old_rule->stats_mutex);
4114 ovs_mutex_lock(&rule->stats_mutex);
4115 old_rule->new_rule = rule; /* Forward future stats. */
4116 rule->stats = old_rule->stats; /* Transfer stats to the new rule. */
4117 ovs_mutex_unlock(&rule->stats_mutex);
4118 ovs_mutex_unlock(&old_rule->stats_mutex);
4121 complete_operation(rule);
4125 rule_delete(struct rule *rule_)
4126 OVS_REQUIRES(ofproto_mutex)
4128 struct rule_dpif *rule = rule_dpif_cast(rule_);
4129 complete_operation(rule);
4133 rule_destruct(struct rule *rule_)
4134 OVS_NO_THREAD_SAFETY_ANALYSIS
4136 struct rule_dpif *rule = rule_dpif_cast(rule_);
4138 ovs_mutex_destroy(&rule->stats_mutex);
4139 /* Release reference to the new rule, if any. */
4140 if (rule->new_rule) {
4141 rule_dpif_unref(rule->new_rule);
4143 if (rule->recirc_id) {
4144 recirc_free_id(rule->recirc_id);
4149 rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes,
4150 long long int *used)
4152 struct rule_dpif *rule = rule_dpif_cast(rule_);
4154 ovs_mutex_lock(&rule->stats_mutex);
4155 if (OVS_UNLIKELY(rule->new_rule)) {
4156 rule_get_stats(&rule->new_rule->up, packets, bytes, used);
4158 *packets = rule->stats.n_packets;
4159 *bytes = rule->stats.n_bytes;
4160 *used = rule->stats.used;
4162 ovs_mutex_unlock(&rule->stats_mutex);
4166 rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
4167 struct dp_packet *packet)
4169 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
4171 ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet);
4175 rule_execute(struct rule *rule, const struct flow *flow,
4176 struct dp_packet *packet)
4178 rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
4179 dp_packet_delete(packet);
4183 static struct group_dpif *group_dpif_cast(const struct ofgroup *group)
4185 return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL;
4188 static struct ofgroup *
4191 struct group_dpif *group = xzalloc(sizeof *group);
4196 group_dealloc(struct ofgroup *group_)
4198 struct group_dpif *group = group_dpif_cast(group_);
4203 group_construct_stats(struct group_dpif *group)
4204 OVS_REQUIRES(group->stats_mutex)
4206 struct ofputil_bucket *bucket;
4207 const struct ovs_list *buckets;
4209 group->packet_count = 0;
4210 group->byte_count = 0;
4212 group_dpif_get_buckets(group, &buckets);
4213 LIST_FOR_EACH (bucket, list_node, buckets) {
4214 bucket->stats.packet_count = 0;
4215 bucket->stats.byte_count = 0;
4220 group_dpif_credit_stats(struct group_dpif *group,
4221 struct ofputil_bucket *bucket,
4222 const struct dpif_flow_stats *stats)
4224 ovs_mutex_lock(&group->stats_mutex);
4225 group->packet_count += stats->n_packets;
4226 group->byte_count += stats->n_bytes;
4228 bucket->stats.packet_count += stats->n_packets;
4229 bucket->stats.byte_count += stats->n_bytes;
4230 } else { /* Credit to all buckets */
4231 const struct ovs_list *buckets;
4233 group_dpif_get_buckets(group, &buckets);
4234 LIST_FOR_EACH (bucket, list_node, buckets) {
4235 bucket->stats.packet_count += stats->n_packets;
4236 bucket->stats.byte_count += stats->n_bytes;
4239 ovs_mutex_unlock(&group->stats_mutex);
4243 group_construct(struct ofgroup *group_)
4245 struct group_dpif *group = group_dpif_cast(group_);
4247 ovs_mutex_init_adaptive(&group->stats_mutex);
4248 ovs_mutex_lock(&group->stats_mutex);
4249 group_construct_stats(group);
4250 ovs_mutex_unlock(&group->stats_mutex);
4255 group_destruct(struct ofgroup *group_)
4257 struct group_dpif *group = group_dpif_cast(group_);
4258 ovs_mutex_destroy(&group->stats_mutex);
4262 group_modify(struct ofgroup *group_)
4264 struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto);
4266 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
4272 group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs)
4274 struct group_dpif *group = group_dpif_cast(group_);
4275 struct ofputil_bucket *bucket;
4276 const struct ovs_list *buckets;
4277 struct bucket_counter *bucket_stats;
4279 ovs_mutex_lock(&group->stats_mutex);
4280 ogs->packet_count = group->packet_count;
4281 ogs->byte_count = group->byte_count;
4283 group_dpif_get_buckets(group, &buckets);
4284 bucket_stats = ogs->bucket_stats;
4285 LIST_FOR_EACH (bucket, list_node, buckets) {
4286 bucket_stats->packet_count = bucket->stats.packet_count;
4287 bucket_stats->byte_count = bucket->stats.byte_count;
4290 ovs_mutex_unlock(&group->stats_mutex);
4295 /* If the group exists, this function increments the groups's reference count.
4297 * Make sure to call group_dpif_unref() after no longer needing to maintain
4298 * a reference to the group. */
4300 group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id,
4301 struct group_dpif **group)
4303 struct ofgroup *ofgroup;
4306 found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup);
4307 *group = found ? group_dpif_cast(ofgroup) : NULL;
4313 group_dpif_get_buckets(const struct group_dpif *group,
4314 const struct ovs_list **buckets)
4316 *buckets = &group->up.buckets;
4319 enum ofp11_group_type
4320 group_dpif_get_type(const struct group_dpif *group)
4322 return group->up.type;
4326 group_dpif_get_selection_method(const struct group_dpif *group)
4328 return group->up.props.selection_method;
4331 /* Sends 'packet' out 'ofport'.
4332 * May modify 'packet'.
4333 * Returns 0 if successful, otherwise a positive errno value. */
4335 ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct dp_packet *packet)
4337 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
4340 error = xlate_send_packet(ofport, packet);
4342 ovs_mutex_lock(&ofproto->stats_mutex);
4343 ofproto->stats.tx_packets++;
4344 ofproto->stats.tx_bytes += dp_packet_size(packet);
4345 ovs_mutex_unlock(&ofproto->stats_mutex);
4350 group_dpif_get_selection_method_param(const struct group_dpif *group)
4352 return group->up.props.selection_method_param;
4355 const struct field_array *
4356 group_dpif_get_fields(const struct group_dpif *group)
4358 return &group->up.props.fields;
4361 /* Return the version string of the datapath that backs up
4365 get_datapath_version(const struct ofproto *ofproto_)
4367 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4369 return ofproto->backer->dp_version_string;
4373 set_frag_handling(struct ofproto *ofproto_,
4374 enum ofputil_frag_handling frag_handling)
4376 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4377 if (frag_handling != OFPUTIL_FRAG_REASM) {
4378 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4386 packet_out(struct ofproto *ofproto_, struct dp_packet *packet,
4387 const struct flow *flow,
4388 const struct ofpact *ofpacts, size_t ofpacts_len)
4390 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4392 ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts,
4393 ofpacts_len, packet);
4398 nxt_resume(struct ofproto *ofproto_,
4399 const struct ofputil_packet_in_private *pin)
4401 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4403 /* Translate pin into datapath actions. */
4404 uint64_t odp_actions_stub[1024 / 8];
4405 struct ofpbuf odp_actions = OFPBUF_STUB_INITIALIZER(odp_actions_stub);
4406 enum slow_path_reason slow;
4407 enum ofperr error = xlate_resume(ofproto, pin, &odp_actions, &slow);
4409 /* Steal 'pin->packet' and put it into a dp_packet. */
4410 struct dp_packet packet;
4411 dp_packet_init(&packet, pin->public.packet_len);
4412 dp_packet_put(&packet, pin->public.packet, pin->public.packet_len);
4414 pkt_metadata_from_flow(&packet.md, &pin->public.flow_metadata.flow);
4416 /* Fix up in_port. */
4417 ofproto_dpif_set_packet_odp_port(ofproto,
4418 pin->public.flow_metadata.flow.in_port.ofp_port,
4421 struct flow headers;
4422 flow_extract(&packet, &headers);
4424 /* Execute the datapath actions on the packet. */
4425 struct dpif_execute execute = {
4426 .actions = odp_actions.data,
4427 .actions_len = odp_actions.size,
4428 .needs_help = (slow & SLOW_ACTION) != 0,
4432 dpif_execute(ofproto->backer->dpif, &execute);
4435 ofpbuf_uninit(&odp_actions);
4436 dp_packet_uninit(&packet);
4444 set_netflow(struct ofproto *ofproto_,
4445 const struct netflow_options *netflow_options)
4447 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4449 if (netflow_options) {
4450 if (!ofproto->netflow) {
4451 ofproto->netflow = netflow_create();
4452 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4454 return netflow_set_options(ofproto->netflow, netflow_options);
4455 } else if (ofproto->netflow) {
4456 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4457 netflow_unref(ofproto->netflow);
4458 ofproto->netflow = NULL;
4465 get_netflow_ids(const struct ofproto *ofproto_,
4466 uint8_t *engine_type, uint8_t *engine_id)
4468 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4470 dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id);
4473 static struct ofproto_dpif *
4474 ofproto_dpif_lookup(const char *name)
4476 struct ofproto_dpif *ofproto;
4478 HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
4479 hash_string(name, 0), &all_ofproto_dpifs) {
4480 if (!strcmp(ofproto->up.name, name)) {
4488 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
4489 const char *argv[], void *aux OVS_UNUSED)
4491 struct ofproto_dpif *ofproto;
4494 ofproto = ofproto_dpif_lookup(argv[1]);
4496 unixctl_command_reply_error(conn, "no such bridge");
4499 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4500 mac_learning_flush(ofproto->ml);
4501 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4503 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4504 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4505 mac_learning_flush(ofproto->ml);
4506 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4510 unixctl_command_reply(conn, "table successfully flushed");
4514 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
4515 const char *argv[], void *aux OVS_UNUSED)
4517 struct ofproto_dpif *ofproto;
4520 ofproto = ofproto_dpif_lookup(argv[1]);
4522 unixctl_command_reply_error(conn, "no such bridge");
4526 if (!mcast_snooping_enabled(ofproto->ms)) {
4527 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4530 mcast_snooping_mdb_flush(ofproto->ms);
4532 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4533 if (!mcast_snooping_enabled(ofproto->ms)) {
4536 mcast_snooping_mdb_flush(ofproto->ms);
4540 unixctl_command_reply(conn, "table successfully flushed");
4543 static struct ofport_dpif *
4544 ofbundle_get_a_port(const struct ofbundle *bundle)
4546 return CONTAINER_OF(ovs_list_front(&bundle->ports), struct ofport_dpif,
4551 ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4552 const char *argv[], void *aux OVS_UNUSED)
4554 struct ds ds = DS_EMPTY_INITIALIZER;
4555 const struct ofproto_dpif *ofproto;
4556 const struct mac_entry *e;
4558 ofproto = ofproto_dpif_lookup(argv[1]);
4560 unixctl_command_reply_error(conn, "no such bridge");
4564 ds_put_cstr(&ds, " port VLAN MAC Age\n");
4565 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
4566 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
4567 struct ofbundle *bundle = mac_entry_get_port(ofproto->ml, e);
4568 char name[OFP_MAX_PORT_NAME_LEN];
4570 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4572 ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n",
4573 name, e->vlan, ETH_ADDR_ARGS(e->mac),
4574 mac_entry_age(ofproto->ml, e));
4576 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4577 unixctl_command_reply(conn, ds_cstr(&ds));
4582 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
4583 int argc OVS_UNUSED,
4585 void *aux OVS_UNUSED)
4587 struct ds ds = DS_EMPTY_INITIALIZER;
4588 const struct ofproto_dpif *ofproto;
4589 const struct ofbundle *bundle;
4590 const struct mcast_group *grp;
4591 struct mcast_group_bundle *b;
4592 struct mcast_mrouter_bundle *mrouter;
4594 ofproto = ofproto_dpif_lookup(argv[1]);
4596 unixctl_command_reply_error(conn, "no such bridge");
4600 if (!mcast_snooping_enabled(ofproto->ms)) {
4601 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4605 ds_put_cstr(&ds, " port VLAN GROUP Age\n");
4606 ovs_rwlock_rdlock(&ofproto->ms->rwlock);
4607 LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
4608 LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
4609 char name[OFP_MAX_PORT_NAME_LEN];
4612 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4614 ds_put_format(&ds, "%5s %4d ", name, grp->vlan);
4615 ipv6_format_mapped(&grp->addr, &ds);
4616 ds_put_format(&ds, " %3d\n",
4617 mcast_bundle_age(ofproto->ms, b));
4621 /* ports connected to multicast routers */
4622 LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
4623 char name[OFP_MAX_PORT_NAME_LEN];
4625 bundle = mrouter->port;
4626 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4628 ds_put_format(&ds, "%5s %4d querier %3d\n",
4629 name, mrouter->vlan,
4630 mcast_mrouter_age(ofproto->ms, mrouter));
4632 ovs_rwlock_unlock(&ofproto->ms->rwlock);
4633 unixctl_command_reply(conn, ds_cstr(&ds));
4638 struct xlate_out xout;
4639 struct xlate_in xin;
4640 const struct flow *key;
4643 struct flow_wildcards wc;
4644 struct ofpbuf odp_actions;
4648 trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule)
4650 const struct rule_actions *actions;
4653 ds_put_char_multiple(result, '\t', level);
4655 ds_put_cstr(result, "No match\n");
4659 ovs_mutex_lock(&rule->up.mutex);
4660 cookie = rule->up.flow_cookie;
4661 ovs_mutex_unlock(&rule->up.mutex);
4663 ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ",
4664 rule ? rule->up.table_id : 0, ntohll(cookie));
4665 cls_rule_format(&rule->up.cr, result);
4666 ds_put_char(result, '\n');
4668 actions = rule_dpif_get_actions(rule);
4670 ds_put_char_multiple(result, '\t', level);
4671 ds_put_cstr(result, "OpenFlow actions=");
4672 ofpacts_format(actions->ofpacts, actions->ofpacts_len, result);
4673 ds_put_char(result, '\n');
4677 trace_format_flow(struct ds *result, int level, const char *title,
4678 struct trace_ctx *trace)
4680 ds_put_char_multiple(result, '\t', level);
4681 ds_put_format(result, "%s: ", title);
4682 /* Do not report unchanged flows for resubmits. */
4683 if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow))
4684 || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) {
4685 ds_put_cstr(result, "unchanged");
4687 flow_format(result, &trace->xin.flow);
4688 trace->flow = trace->xin.flow;
4690 ds_put_char(result, '\n');
4694 trace_format_regs(struct ds *result, int level, const char *title,
4695 struct trace_ctx *trace)
4699 ds_put_char_multiple(result, '\t', level);
4700 ds_put_format(result, "%s:", title);
4701 for (i = 0; i < FLOW_N_REGS; i++) {
4702 ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
4704 ds_put_char(result, '\n');
4708 trace_format_odp(struct ds *result, int level, const char *title,
4709 struct trace_ctx *trace)
4711 struct ofpbuf *odp_actions = &trace->odp_actions;
4713 ds_put_char_multiple(result, '\t', level);
4714 ds_put_format(result, "%s: ", title);
4715 format_odp_actions(result, odp_actions->data, odp_actions->size);
4716 ds_put_char(result, '\n');
4720 trace_format_megaflow(struct ds *result, int level, const char *title,
4721 struct trace_ctx *trace)
4725 ds_put_char_multiple(result, '\t', level);
4726 ds_put_format(result, "%s: ", title);
4727 match_init(&match, trace->key, &trace->wc);
4728 match_format(&match, result, OFP_DEFAULT_PRIORITY);
4729 ds_put_char(result, '\n');
4732 static void trace_report(struct xlate_in *, int indentation,
4733 const char *format, ...)
4734 OVS_PRINTF_FORMAT(3, 4);
4735 static void trace_report_valist(struct xlate_in *, int indentation,
4736 const char *format, va_list args)
4737 OVS_PRINTF_FORMAT(3, 0);
4740 trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int indentation)
4742 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4743 struct ds *result = trace->result;
4746 if (rule == xin->ofproto->miss_rule) {
4747 trace_report(xin, indentation,
4748 "No match, flow generates \"packet in\"s.");
4749 } else if (rule == xin->ofproto->no_packet_in_rule) {
4750 trace_report(xin, indentation, "No match, packets dropped because "
4751 "OFPPC_NO_PACKET_IN is set on in_port.");
4752 } else if (rule == xin->ofproto->drop_frags_rule) {
4753 trace_report(xin, indentation,
4754 "Packets dropped because they are IP fragments and "
4755 "the fragment handling mode is \"drop\".");
4759 ds_put_char(result, '\n');
4761 trace_format_flow(result, indentation, "Resubmitted flow", trace);
4762 trace_format_regs(result, indentation, "Resubmitted regs", trace);
4763 trace_format_odp(result, indentation, "Resubmitted odp", trace);
4764 trace_format_megaflow(result, indentation, "Resubmitted megaflow",
4767 trace_format_rule(result, indentation, rule);
4771 trace_report_valist(struct xlate_in *xin, int indentation,
4772 const char *format, va_list args)
4774 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4775 struct ds *result = trace->result;
4777 ds_put_char_multiple(result, '\t', indentation);
4778 ds_put_format_valist(result, format, args);
4779 ds_put_char(result, '\n');
4783 trace_report(struct xlate_in *xin, int indentation, const char *format, ...)
4787 va_start(args, format);
4788 trace_report_valist(xin, indentation, format, args);
4792 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4793 * forms are supported:
4795 * - [dpname] odp_flow [-generate | packet]
4796 * - bridge br_flow [-generate | packet]
4798 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4799 * returns a nonnull malloced error message. */
4800 static char * OVS_WARN_UNUSED_RESULT
4801 parse_flow_and_packet(int argc, const char *argv[],
4802 struct ofproto_dpif **ofprotop, struct flow *flow,
4803 struct dp_packet **packetp)
4805 const struct dpif_backer *backer = NULL;
4806 const char *error = NULL;
4808 struct simap port_names = SIMAP_INITIALIZER(&port_names);
4809 struct dp_packet *packet;
4810 struct ofpbuf odp_key;
4811 struct ofpbuf odp_mask;
4813 ofpbuf_init(&odp_key, 0);
4814 ofpbuf_init(&odp_mask, 0);
4816 /* Handle "-generate" or a hex string as the last argument. */
4817 if (!strcmp(argv[argc - 1], "-generate")) {
4818 packet = dp_packet_new(0);
4821 error = eth_from_hex(argv[argc - 1], &packet);
4824 } else if (argc == 4) {
4825 /* The 3-argument form must end in "-generate' or a hex string. */
4831 /* odp_flow can have its in_port specified as a name instead of port no.
4832 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4833 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4834 * we need to create a simap of name to port no. */
4836 const char *dp_type;
4837 if (!strncmp(argv[1], "ovs-", 4)) {
4838 dp_type = argv[1] + 4;
4842 backer = shash_find_data(&all_dpif_backers, dp_type);
4843 } else if (argc == 2) {
4844 struct shash_node *node;
4845 if (shash_count(&all_dpif_backers) == 1) {
4846 node = shash_first(&all_dpif_backers);
4847 backer = node->data;
4850 error = "Syntax error";
4853 if (backer && backer->dpif) {
4854 struct dpif_port dpif_port;
4855 struct dpif_port_dump port_dump;
4856 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) {
4857 simap_put(&port_names, dpif_port.name,
4858 odp_to_u32(dpif_port.port_no));
4862 /* Parse the flow and determine whether a datapath or
4863 * bridge is specified. If function odp_flow_key_from_string()
4864 * returns 0, the flow is a odp_flow. If function
4865 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4866 if (!odp_flow_from_string(argv[argc - 1], &port_names,
4867 &odp_key, &odp_mask)) {
4869 error = "Cannot find the datapath";
4873 if (odp_flow_key_to_flow(odp_key.data, odp_key.size, flow) == ODP_FIT_ERROR) {
4874 error = "Failed to parse datapath flow key";
4878 *ofprotop = xlate_lookup_ofproto(backer, flow,
4879 &flow->in_port.ofp_port);
4880 if (*ofprotop == NULL) {
4881 error = "Invalid datapath flow";
4885 char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
4888 m_err = xasprintf("Bad openflow flow syntax: %s", err);
4893 error = "Must specify bridge name";
4897 *ofprotop = ofproto_dpif_lookup(argv[1]);
4899 error = "Unknown bridge name";
4905 /* Generate a packet, if requested. */
4907 if (!dp_packet_size(packet)) {
4908 flow_compose(packet, flow);
4910 /* Use the metadata from the flow and the packet argument
4911 * to reconstruct the flow. */
4912 pkt_metadata_from_flow(&packet->md, flow);
4913 flow_extract(packet, flow);
4918 if (error && !m_err) {
4919 m_err = xstrdup(error);
4922 dp_packet_delete(packet);
4926 ofpbuf_uninit(&odp_key);
4927 ofpbuf_uninit(&odp_mask);
4928 simap_destroy(&port_names);
4933 ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
4934 void *aux OVS_UNUSED)
4936 struct ofproto_dpif *ofproto;
4937 struct dp_packet *packet;
4941 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4946 ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
4947 unixctl_command_reply(conn, ds_cstr(&result));
4948 ds_destroy(&result);
4949 dp_packet_delete(packet);
4951 unixctl_command_reply_error(conn, error);
4957 ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
4958 const char *argv[], void *aux OVS_UNUSED)
4960 enum ofputil_protocol usable_protocols;
4961 struct ofproto_dpif *ofproto;
4962 bool enforce_consistency;
4963 struct ofpbuf ofpacts;
4964 struct dp_packet *packet;
4969 /* Three kinds of error return values! */
4975 ofpbuf_init(&ofpacts, 0);
4977 /* Parse actions. */
4978 error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
4980 unixctl_command_reply_error(conn, error);
4985 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4986 * consistency between the flow and the actions. With -consistent, we
4987 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4988 if (!strcmp(argv[1], "-consistent")) {
4989 enforce_consistency = true;
4993 enforce_consistency = false;
4996 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4998 unixctl_command_reply_error(conn, error);
5003 /* Do the same checks as handle_packet_out() in ofproto.c.
5005 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
5006 * strictly correct because these actions aren't in any table, but it's OK
5007 * because it 'table_id' is used only to check goto_table instructions, but
5008 * packet-outs take a list of actions and therefore it can't include
5011 * We skip the "meter" check here because meter is an instruction, not an
5012 * action, and thus cannot appear in ofpacts. */
5013 in_port = ofp_to_u16(flow.in_port.ofp_port);
5014 if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
5015 unixctl_command_reply_error(conn, "invalid in_port");
5018 if (enforce_consistency) {
5019 retval = ofpacts_check_consistency(ofpacts.data, ofpacts.size, &flow,
5020 u16_to_ofp(ofproto->up.max_ports),
5021 0, ofproto->up.n_tables,
5024 retval = ofpacts_check(ofpacts.data, ofpacts.size, &flow,
5025 u16_to_ofp(ofproto->up.max_ports), 0,
5026 ofproto->up.n_tables, &usable_protocols);
5029 retval = ofproto_check_ofpacts(&ofproto->up, ofpacts.data,
5035 ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
5036 unixctl_command_reply_error(conn, ds_cstr(&result));
5040 ofproto_trace(ofproto, &flow, packet,
5041 ofpacts.data, ofpacts.size, &result);
5042 unixctl_command_reply(conn, ds_cstr(&result));
5045 ds_destroy(&result);
5046 dp_packet_delete(packet);
5047 ofpbuf_uninit(&ofpacts);
5050 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
5051 * description of the results to 'ds'.
5053 * The trace follows a packet with the specified 'flow' through the flow
5054 * table. 'packet' may be nonnull to trace an actual packet, with consequent
5055 * side effects (if it is nonnull then its flow must be 'flow').
5057 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
5058 * trace, otherwise the actions are determined by a flow table lookup. */
5060 ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
5061 const struct dp_packet *packet,
5062 const struct ofpact ofpacts[], size_t ofpacts_len,
5065 struct trace_ctx trace;
5066 enum xlate_error error;
5068 ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
5069 ds_put_cstr(ds, "Flow: ");
5070 flow_format(ds, flow);
5071 ds_put_char(ds, '\n');
5073 ofpbuf_init(&trace.odp_actions, 0);
5076 trace.key = flow; /* Original flow key, used for megaflow. */
5077 trace.flow = *flow; /* May be modified by actions. */
5078 xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL,
5079 ntohs(flow->tcp_flags), packet, &trace.wc,
5080 &trace.odp_actions);
5081 trace.xin.ofpacts = ofpacts;
5082 trace.xin.ofpacts_len = ofpacts_len;
5083 trace.xin.resubmit_hook = trace_resubmit;
5084 trace.xin.report_hook = trace_report_valist;
5086 error = xlate_actions(&trace.xin, &trace.xout);
5087 ds_put_char(ds, '\n');
5088 trace.xin.flow.actset_output = 0;
5089 trace_format_flow(ds, 0, "Final flow", &trace);
5090 trace_format_megaflow(ds, 0, "Megaflow", &trace);
5092 ds_put_cstr(ds, "Datapath actions: ");
5093 format_odp_actions(ds, trace.odp_actions.data, trace.odp_actions.size);
5095 if (error != XLATE_OK) {
5096 ds_put_format(ds, "\nTranslation failed (%s), packet is dropped.\n",
5097 xlate_strerror(error));
5098 } else if (trace.xout.slow) {
5099 enum slow_path_reason slow;
5101 ds_put_cstr(ds, "\nThis flow is handled by the userspace "
5102 "slow path because it:");
5104 slow = trace.xout.slow;
5106 enum slow_path_reason bit = rightmost_1bit(slow);
5108 ds_put_format(ds, "\n\t- %s.",
5109 slow_path_reason_to_explanation(bit));
5115 xlate_out_uninit(&trace.xout);
5116 ofpbuf_uninit(&trace.odp_actions);
5119 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5120 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5121 * to destroy 'ofproto_shash' and free the returned value. */
5122 static const struct shash_node **
5123 get_ofprotos(struct shash *ofproto_shash)
5125 const struct ofproto_dpif *ofproto;
5127 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
5128 char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name);
5129 shash_add_nocopy(ofproto_shash, name, ofproto);
5132 return shash_sort(ofproto_shash);
5136 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED,
5137 const char *argv[] OVS_UNUSED,
5138 void *aux OVS_UNUSED)
5140 struct ds ds = DS_EMPTY_INITIALIZER;
5141 struct shash ofproto_shash;
5142 const struct shash_node **sorted_ofprotos;
5145 shash_init(&ofproto_shash);
5146 sorted_ofprotos = get_ofprotos(&ofproto_shash);
5147 for (i = 0; i < shash_count(&ofproto_shash); i++) {
5148 const struct shash_node *node = sorted_ofprotos[i];
5149 ds_put_format(&ds, "%s\n", node->name);
5152 shash_destroy(&ofproto_shash);
5153 free(sorted_ofprotos);
5155 unixctl_command_reply(conn, ds_cstr(&ds));
5160 dpif_show_backer(const struct dpif_backer *backer, struct ds *ds)
5162 const struct shash_node **ofprotos;
5163 struct dpif_dp_stats dp_stats;
5164 struct shash ofproto_shash;
5167 dpif_get_dp_stats(backer->dpif, &dp_stats);
5169 ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
5170 dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed);
5172 shash_init(&ofproto_shash);
5173 ofprotos = get_ofprotos(&ofproto_shash);
5174 for (i = 0; i < shash_count(&ofproto_shash); i++) {
5175 struct ofproto_dpif *ofproto = ofprotos[i]->data;
5176 const struct shash_node **ports;
5179 if (ofproto->backer != backer) {
5183 ds_put_format(ds, "\t%s:\n", ofproto->up.name);
5185 ports = shash_sort(&ofproto->up.port_by_name);
5186 for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) {
5187 const struct shash_node *node = ports[j];
5188 struct ofport *ofport = node->data;
5190 odp_port_t odp_port;
5192 ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev),
5195 odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
5196 if (odp_port != ODPP_NONE) {
5197 ds_put_format(ds, "%"PRIu32":", odp_port);
5199 ds_put_cstr(ds, "none:");
5202 ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev));
5205 if (!netdev_get_config(ofport->netdev, &config)) {
5206 const struct smap_node **nodes;
5209 nodes = smap_sort(&config);
5210 for (i = 0; i < smap_count(&config); i++) {
5211 const struct smap_node *node = nodes[i];
5212 ds_put_format(ds, "%c %s=%s", i ? ',' : ':',
5213 node->key, node->value);
5217 smap_destroy(&config);
5219 ds_put_char(ds, ')');
5220 ds_put_char(ds, '\n');
5224 shash_destroy(&ofproto_shash);
5229 ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
5230 const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
5232 struct ds ds = DS_EMPTY_INITIALIZER;
5233 const struct shash_node **backers;
5236 backers = shash_sort(&all_dpif_backers);
5237 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5238 dpif_show_backer(backers[i]->data, &ds);
5242 unixctl_command_reply(conn, ds_cstr(&ds));
5247 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
5248 int argc OVS_UNUSED, const char *argv[],
5249 void *aux OVS_UNUSED)
5251 const struct ofproto_dpif *ofproto;
5253 struct ds ds = DS_EMPTY_INITIALIZER;
5254 bool verbosity = false;
5256 struct dpif_port dpif_port;
5257 struct dpif_port_dump port_dump;
5258 struct hmap portno_names;
5260 struct dpif_flow_dump *flow_dump;
5261 struct dpif_flow_dump_thread *flow_dump_thread;
5265 ofproto = ofproto_dpif_lookup(argv[argc - 1]);
5267 unixctl_command_reply_error(conn, "no such bridge");
5271 if (argc > 2 && !strcmp(argv[1], "-m")) {
5275 hmap_init(&portno_names);
5276 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) {
5277 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
5281 flow_dump = dpif_flow_dump_create(ofproto->backer->dpif, false);
5282 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
5283 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
5286 if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
5287 || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
5292 odp_format_ufid(&f.ufid, &ds);
5293 ds_put_cstr(&ds, " ");
5295 odp_flow_format(f.key, f.key_len, f.mask, f.mask_len,
5296 &portno_names, &ds, verbosity);
5297 ds_put_cstr(&ds, ", ");
5298 dpif_flow_stats_format(&f.stats, &ds);
5299 ds_put_cstr(&ds, ", actions:");
5300 format_odp_actions(&ds, f.actions, f.actions_len);
5301 ds_put_char(&ds, '\n');
5303 dpif_flow_dump_thread_destroy(flow_dump_thread);
5304 error = dpif_flow_dump_destroy(flow_dump);
5308 ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno));
5309 unixctl_command_reply_error(conn, ds_cstr(&ds));
5311 unixctl_command_reply(conn, ds_cstr(&ds));
5313 odp_portno_names_destroy(&portno_names);
5314 hmap_destroy(&portno_names);
5319 ofproto_revalidate_all_backers(void)
5321 const struct shash_node **backers;
5324 backers = shash_sort(&all_dpif_backers);
5325 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5326 struct dpif_backer *backer = backers[i]->data;
5327 backer->need_revalidate = REV_RECONFIGURE;
5333 disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
5334 const char *argv[], void *aux OVS_UNUSED)
5336 if (!strcasecmp(argv[1], "off")) {
5337 ofproto_use_tnl_push_pop = false;
5338 unixctl_command_reply(conn, "Tunnel push-pop off");
5339 ofproto_revalidate_all_backers();
5340 } else if (!strcasecmp(argv[1], "on")) {
5341 ofproto_use_tnl_push_pop = true;
5342 unixctl_command_reply(conn, "Tunnel push-pop on");
5343 ofproto_revalidate_all_backers();
5345 unixctl_command_reply_error(conn, "Invalid argument");
5350 ofproto_unixctl_init(void)
5352 static bool registered;
5358 unixctl_command_register(
5360 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5361 1, 3, ofproto_unixctl_trace, NULL);
5362 unixctl_command_register(
5363 "ofproto/trace-packet-out",
5364 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5365 2, 6, ofproto_unixctl_trace_actions, NULL);
5366 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5367 ofproto_unixctl_fdb_flush, NULL);
5368 unixctl_command_register("fdb/show", "bridge", 1, 1,
5369 ofproto_unixctl_fdb_show, NULL);
5370 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5371 ofproto_unixctl_mcast_snooping_flush, NULL);
5372 unixctl_command_register("mdb/show", "bridge", 1, 1,
5373 ofproto_unixctl_mcast_snooping_show, NULL);
5374 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5375 ofproto_unixctl_dpif_dump_dps, NULL);
5376 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
5378 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5379 ofproto_unixctl_dpif_dump_flows, NULL);
5381 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5382 disable_tnl_push_pop, NULL);
5385 /* Returns true if 'table' is the table used for internal rules,
5386 * false otherwise. */
5388 table_is_internal(uint8_t table_id)
5390 return table_id == TBL_INTERNAL;
5395 ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
5397 const struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
5398 return ofport ? ofport->odp_port : ODPP_NONE;
5401 struct ofport_dpif *
5402 odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port)
5404 struct ofport_dpif *port;
5406 ovs_rwlock_rdlock(&backer->odp_to_ofport_lock);
5407 HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port),
5408 &backer->odp_to_ofport_map) {
5409 if (port->odp_port == odp_port) {
5410 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5415 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5420 odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port)
5422 struct ofport_dpif *port;
5424 port = odp_port_to_ofport(ofproto->backer, odp_port);
5425 if (port && &ofproto->up == port->up.ofproto) {
5426 return port->up.ofp_port;
5433 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
5434 const struct match *match, int priority,
5435 uint16_t idle_timeout,
5436 const struct ofpbuf *ofpacts,
5437 struct rule **rulep)
5439 struct ofproto_flow_mod ofm;
5440 struct rule_dpif *rule;
5443 ofm.fm = (struct ofputil_flow_mod) {
5445 .priority = priority,
5446 .table_id = TBL_INTERNAL,
5447 .command = OFPFC_ADD,
5448 .idle_timeout = idle_timeout,
5449 .flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY,
5450 .ofpacts = ofpacts->data,
5451 .ofpacts_len = ofpacts->size,
5452 .delete_reason = OVS_OFPRR_NONE,
5455 error = ofproto_flow_mod(&ofproto->up, &ofm);
5457 VLOG_ERR_RL(&rl, "failed to add internal flow (%s)",
5458 ofperr_to_string(error));
5463 rule = rule_dpif_lookup_in_table(ofproto,
5464 ofproto_dpif_get_tables_version(ofproto),
5465 TBL_INTERNAL, &ofm.fm.match.flow,
5476 ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto,
5477 struct match *match, int priority)
5479 struct ofproto_flow_mod ofm;
5482 ofm.fm = (struct ofputil_flow_mod) {
5484 .priority = priority,
5485 .table_id = TBL_INTERNAL,
5486 .flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY,
5487 .command = OFPFC_DELETE_STRICT,
5490 error = ofproto_flow_mod(&ofproto->up, &ofm);
5492 VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)",
5493 ofperr_to_string(error));
5501 ofproto_dpif_get_uuid(const struct ofproto_dpif *ofproto)
5503 return &ofproto->uuid;
5506 const struct ofproto_class ofproto_dpif_class = {
5520 NULL, /* get_memory_usage. */
5521 type_get_memory_usage,
5540 port_is_lacp_current,
5541 port_get_lacp_stats,
5542 NULL, /* rule_choose_table */
5567 aa_vlan_get_queue_size,
5574 get_stp_port_status,
5579 get_rstp_port_status,
5586 is_mirror_output_bundle,
5587 forward_bpdu_changed,
5588 set_mac_table_config,
5590 set_mcast_snooping_port,
5591 NULL, /* meter_get_features */
5592 NULL, /* meter_set */
5593 NULL, /* meter_get */
5594 NULL, /* meter_del */
5595 group_alloc, /* group_alloc */
5596 group_construct, /* group_construct */
5597 group_destruct, /* group_destruct */
5598 group_dealloc, /* group_dealloc */
5599 group_modify, /* group_modify */
5600 group_get_stats, /* group_get_stats */
5601 get_datapath_version, /* get_datapath_version */