2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "ofproto/ofproto-dpif.h"
20 #include "ofproto/ofproto-provider.h"
27 #include "byte-order.h"
28 #include "connectivity.h"
34 #include "dynamic-string.h"
35 #include "fail-open.h"
36 #include "guarded-list.h"
40 #include "mac-learning.h"
41 #include "mcast-snooping.h"
42 #include "meta-flow.h"
43 #include "multipath.h"
44 #include "netdev-vport.h"
49 #include "odp-execute.h"
52 #include "ofp-actions.h"
53 #include "ofp-parse.h"
54 #include "ofp-print.h"
55 #include "ofproto-dpif-ipfix.h"
56 #include "ofproto-dpif-mirror.h"
57 #include "ofproto-dpif-monitor.h"
58 #include "ofproto-dpif-rid.h"
59 #include "ofproto-dpif-sflow.h"
60 #include "ofproto-dpif-upcall.h"
61 #include "ofproto-dpif-xlate.h"
62 #include "poll-loop.h"
64 #include "ovs-router.h"
70 #include "unaligned.h"
72 #include "vlan-bitmap.h"
73 #include "openvswitch/vlog.h"
75 VLOG_DEFINE_THIS_MODULE(ofproto_dpif);
77 COVERAGE_DEFINE(ofproto_dpif_expired);
78 COVERAGE_DEFINE(packet_in_overflow);
87 * - Do include packets and bytes from datapath flows which have not
88 * recently been processed by a revalidator. */
89 struct ovs_mutex stats_mutex;
90 struct dpif_flow_stats stats OVS_GUARDED;
92 /* In non-NULL, will point to a new rule (for which a reference is held) to
93 * which all the stats updates should be forwarded. This exists only
94 * transitionally when flows are replaced.
96 * Protected by stats_mutex. If both 'rule->stats_mutex' and
97 * 'rule->new_rule->stats_mutex' must be held together, acquire them in that
99 struct rule_dpif *new_rule OVS_GUARDED;
101 /* If non-zero then the recirculation id that has
102 * been allocated for use with this rule.
103 * The recirculation id and associated internal flow should
104 * be freed when the rule is freed */
108 /* RULE_CAST() depends on this. */
109 BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0);
111 static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes,
112 long long int *used);
113 static struct rule_dpif *rule_dpif_cast(const struct rule *);
114 static void rule_expire(struct rule_dpif *);
121 * - Do include packets and bytes from datapath flows which have not
122 * recently been processed by a revalidator. */
123 struct ovs_mutex stats_mutex;
124 uint64_t packet_count OVS_GUARDED; /* Number of packets received. */
125 uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */
129 struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
130 struct ofproto_dpif *ofproto; /* Owning ofproto. */
131 void *aux; /* Key supplied by ofproto's client. */
132 char *name; /* Identifier for log messages. */
135 struct ovs_list ports; /* Contains "struct ofport"s. */
136 enum port_vlan_mode vlan_mode; /* VLAN mode */
137 int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
138 unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1.
139 * NULL if all VLANs are trunked. */
140 struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */
141 struct bond *bond; /* Nonnull iff more than one port. */
142 bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
145 bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
148 static void bundle_remove(struct ofport *);
149 static void bundle_update(struct ofbundle *);
150 static void bundle_destroy(struct ofbundle *);
151 static void bundle_del_port(struct ofport_dpif *);
152 static void bundle_run(struct ofbundle *);
153 static void bundle_wait(struct ofbundle *);
154 static void bundle_flush_macs(struct ofbundle *, bool);
155 static void bundle_move(struct ofbundle *, struct ofbundle *);
157 static void stp_run(struct ofproto_dpif *ofproto);
158 static void stp_wait(struct ofproto_dpif *ofproto);
159 static int set_stp_port(struct ofport *,
160 const struct ofproto_port_stp_settings *);
162 static void rstp_run(struct ofproto_dpif *ofproto);
163 static void set_rstp_port(struct ofport *,
164 const struct ofproto_port_rstp_settings *);
167 struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
171 struct ofbundle *bundle; /* Bundle that contains this port, if any. */
172 struct ovs_list bundle_node;/* In struct ofbundle's "ports" list. */
173 struct cfm *cfm; /* Connectivity Fault Management, if any. */
174 struct bfd *bfd; /* BFD, if any. */
175 struct lldp *lldp; /* lldp, if any. */
176 bool may_enable; /* May be enabled in bonds. */
177 bool is_tunnel; /* This port is a tunnel. */
178 bool is_layer3; /* This is a layer 3 port. */
179 long long int carrier_seq; /* Carrier status changes. */
180 struct ofport_dpif *peer; /* Peer if patch port. */
183 struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
184 enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
185 long long int stp_state_entered;
187 /* Rapid Spanning Tree. */
188 struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
189 enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
191 /* Queue to DSCP mapping. */
192 struct ofproto_port_queue *qdscp;
195 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
197 * This is deprecated. It is only for compatibility with broken device
198 * drivers in old versions of Linux that do not properly support VLANs when
199 * VLAN devices are not used. When broken device drivers are no longer in
200 * widespread use, we will delete these interfaces. */
201 ofp_port_t realdev_ofp_port;
205 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
207 * This is deprecated. It is only for compatibility with broken device drivers
208 * in old versions of Linux that do not properly support VLANs when VLAN
209 * devices are not used. When broken device drivers are no longer in
210 * widespread use, we will delete these interfaces. */
211 struct vlan_splinter {
212 struct hmap_node realdev_vid_node;
213 struct hmap_node vlandev_node;
214 ofp_port_t realdev_ofp_port;
215 ofp_port_t vlandev_ofp_port;
219 static void vsp_remove(struct ofport_dpif *);
220 static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid);
222 static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *,
225 static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *,
228 static struct ofport_dpif *
229 ofport_dpif_cast(const struct ofport *ofport)
231 return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
234 static void port_run(struct ofport_dpif *);
235 static int set_bfd(struct ofport *, const struct smap *);
236 static int set_cfm(struct ofport *, const struct cfm_settings *);
237 static int set_lldp(struct ofport *ofport_, const struct smap *cfg);
238 static void ofport_update_peer(struct ofport_dpif *);
240 /* Reasons that we might need to revalidate every datapath flow, and
241 * corresponding coverage counters.
243 * A value of 0 means that there is no need to revalidate.
245 * It would be nice to have some cleaner way to integrate with coverage
246 * counters, but with only a few reasons I guess this is good enough for
248 enum revalidate_reason {
249 REV_RECONFIGURE = 1, /* Switch configuration changed. */
250 REV_STP, /* Spanning tree protocol port status change. */
251 REV_RSTP, /* RSTP port status change. */
252 REV_BOND, /* Bonding changed. */
253 REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/
254 REV_FLOW_TABLE, /* Flow table changed. */
255 REV_MAC_LEARNING, /* Mac learning changed. */
256 REV_MCAST_SNOOPING, /* Multicast snooping changed. */
258 COVERAGE_DEFINE(rev_reconfigure);
259 COVERAGE_DEFINE(rev_stp);
260 COVERAGE_DEFINE(rev_rstp);
261 COVERAGE_DEFINE(rev_bond);
262 COVERAGE_DEFINE(rev_port_toggled);
263 COVERAGE_DEFINE(rev_flow_table);
264 COVERAGE_DEFINE(rev_mac_learning);
265 COVERAGE_DEFINE(rev_mcast_snooping);
267 /* All datapaths of a given type share a single dpif backer instance. */
274 struct ovs_rwlock odp_to_ofport_lock;
275 struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
277 struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
279 enum revalidate_reason need_revalidate; /* Revalidate all flows. */
281 bool recv_set_enable; /* Enables or disables receiving packets. */
283 /* Version string of the datapath stored in OVSDB. */
284 char *dp_version_string;
286 /* Datapath feature support. */
287 struct dpif_backer_support support;
288 struct atomic_count tnl_count;
291 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
292 static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
294 struct ofproto_dpif {
295 struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
297 struct dpif_backer *backer;
299 ATOMIC(cls_version_t) tables_version; /* For classifier lookups. */
301 uint64_t dump_seq; /* Last read of udpif_dump_seq(). */
303 /* Special OpenFlow rules. */
304 struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
305 struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
306 struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */
309 struct netflow *netflow;
310 struct dpif_sflow *sflow;
311 struct dpif_ipfix *ipfix;
312 struct hmap bundles; /* Contains "struct ofbundle"s. */
313 struct mac_learning *ml;
314 struct mcast_snooping *ms;
315 bool has_bonded_bundles;
317 struct mbridge *mbridge;
319 struct ovs_mutex stats_mutex;
320 struct netdev_stats stats OVS_GUARDED; /* To account packets generated and
321 * consumed in userspace. */
325 long long int stp_last_tick;
327 /* Rapid Spanning Tree. */
329 long long int rstp_last_tick;
331 /* VLAN splinters. */
332 struct ovs_mutex vsp_mutex;
333 struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */
334 struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */
337 struct sset ports; /* Set of standard port names. */
338 struct sset ghost_ports; /* Ports with no datapath port. */
339 struct sset port_poll_set; /* Queued names for port_poll() reply. */
340 int port_poll_errno; /* Last errno for port_poll() reply. */
341 uint64_t change_seq; /* Connectivity status changes. */
344 struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */
345 struct seq *pins_seq; /* For notifying 'pins' reception. */
349 /* All existing ofproto_dpif instances, indexed by ->up.name. */
350 static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
352 static bool ofproto_use_tnl_push_pop = true;
353 static void ofproto_unixctl_init(void);
355 static inline struct ofproto_dpif *
356 ofproto_dpif_cast(const struct ofproto *ofproto)
358 ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class);
359 return CONTAINER_OF(ofproto, struct ofproto_dpif, up);
363 ofproto_dpif_get_enable_ufid(const struct dpif_backer *backer)
365 return backer->support.ufid;
368 struct dpif_backer_support *
369 ofproto_dpif_get_support(const struct ofproto_dpif *ofproto)
371 return &ofproto->backer->support;
374 static void ofproto_trace(struct ofproto_dpif *, struct flow *,
375 const struct dp_packet *packet,
376 const struct ofpact[], size_t ofpacts_len,
379 /* Global variables. */
380 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
382 /* Initial mappings of port to bridge mappings. */
383 static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports);
385 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
388 ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
389 const struct ofputil_flow_mod *fm)
391 struct ofproto_flow_mod ofm;
393 /* Multiple threads may do this for the same 'fm' at the same time.
394 * Allocate ofproto_flow_mod with execution context from stack.
396 * Note: This copy could be avoided by making ofproto_flow_mod more
397 * complex, but that may not be desireable, and a learn action is not that
398 * fast to begin with. */
400 ofproto_flow_mod(&ofproto->up, &ofm);
403 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
404 * Takes ownership of 'pin' and pin->packet. */
406 ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto,
407 struct ofproto_packet_in *pin)
409 if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) {
410 COVERAGE_INC(packet_in_overflow);
411 free(CONST_CAST(void *, pin->up.packet));
415 /* Wakes up main thread for packet-in I/O. */
416 seq_change(ofproto->pins_seq);
419 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
420 * packet rather than to send the packet to the controller.
422 * This function returns false to indicate that a packet_in message
423 * for a "table-miss" should be sent to at least one controller.
424 * False otherwise. */
426 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto)
428 return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr);
431 /* Factory functions. */
434 init(const struct shash *iface_hints)
436 struct shash_node *node;
438 /* Make a local copy, since we don't own 'iface_hints' elements. */
439 SHASH_FOR_EACH(node, iface_hints) {
440 const struct iface_hint *orig_hint = node->data;
441 struct iface_hint *new_hint = xmalloc(sizeof *new_hint);
443 new_hint->br_name = xstrdup(orig_hint->br_name);
444 new_hint->br_type = xstrdup(orig_hint->br_type);
445 new_hint->ofp_port = orig_hint->ofp_port;
447 shash_add(&init_ofp_ports, node->name, new_hint);
450 ofproto_unixctl_init();
455 enumerate_types(struct sset *types)
457 dp_enumerate_types(types);
461 enumerate_names(const char *type, struct sset *names)
463 struct ofproto_dpif *ofproto;
466 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
467 if (strcmp(type, ofproto->up.type)) {
470 sset_add(names, ofproto->up.name);
477 del(const char *type, const char *name)
482 error = dpif_open(name, type, &dpif);
484 error = dpif_delete(dpif);
491 port_open_type(const char *datapath_type, const char *port_type)
493 return dpif_port_open_type(datapath_type, port_type);
496 /* Type functions. */
498 static void process_dpif_port_changes(struct dpif_backer *);
499 static void process_dpif_all_ports_changed(struct dpif_backer *);
500 static void process_dpif_port_change(struct dpif_backer *,
501 const char *devname);
502 static void process_dpif_port_error(struct dpif_backer *, int error);
504 static struct ofproto_dpif *
505 lookup_ofproto_dpif_by_port_name(const char *name)
507 struct ofproto_dpif *ofproto;
509 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
510 if (sset_contains(&ofproto->ports, name)) {
519 type_run(const char *type)
521 struct dpif_backer *backer;
523 backer = shash_find_data(&all_dpif_backers, type);
525 /* This is not necessarily a problem, since backers are only
526 * created on demand. */
531 if (dpif_run(backer->dpif)) {
532 backer->need_revalidate = REV_RECONFIGURE;
535 udpif_run(backer->udpif);
537 /* If vswitchd started with other_config:flow_restore_wait set as "true",
538 * and the configuration has now changed to "false", enable receiving
539 * packets from the datapath. */
540 if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
543 backer->recv_set_enable = true;
545 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
547 VLOG_ERR("Failed to enable receiving packets in dpif.");
550 dpif_flow_flush(backer->dpif);
551 backer->need_revalidate = REV_RECONFIGURE;
554 if (backer->recv_set_enable) {
555 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
558 dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask);
560 if (backer->need_revalidate) {
561 struct ofproto_dpif *ofproto;
562 struct simap_node *node;
563 struct simap tmp_backers;
565 /* Handle tunnel garbage collection. */
566 simap_init(&tmp_backers);
567 simap_swap(&backer->tnl_backers, &tmp_backers);
569 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
570 struct ofport_dpif *iter;
572 if (backer != ofproto->backer) {
576 HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
577 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
580 if (!iter->is_tunnel) {
584 dp_port = netdev_vport_get_dpif_port(iter->up.netdev,
585 namebuf, sizeof namebuf);
586 node = simap_find(&tmp_backers, dp_port);
588 simap_put(&backer->tnl_backers, dp_port, node->data);
589 simap_delete(&tmp_backers, node);
590 node = simap_find(&backer->tnl_backers, dp_port);
592 node = simap_find(&backer->tnl_backers, dp_port);
594 odp_port_t odp_port = ODPP_NONE;
596 if (!dpif_port_add(backer->dpif, iter->up.netdev,
598 simap_put(&backer->tnl_backers, dp_port,
599 odp_to_u32(odp_port));
600 node = simap_find(&backer->tnl_backers, dp_port);
605 iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
606 if (tnl_port_reconfigure(iter, iter->up.netdev,
608 ovs_native_tunneling_is_on(ofproto), dp_port)) {
609 backer->need_revalidate = REV_RECONFIGURE;
614 SIMAP_FOR_EACH (node, &tmp_backers) {
615 dpif_port_del(backer->dpif, u32_to_odp(node->data));
617 simap_destroy(&tmp_backers);
619 switch (backer->need_revalidate) {
620 case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
621 case REV_STP: COVERAGE_INC(rev_stp); break;
622 case REV_RSTP: COVERAGE_INC(rev_rstp); break;
623 case REV_BOND: COVERAGE_INC(rev_bond); break;
624 case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
625 case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
626 case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break;
627 case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break;
629 backer->need_revalidate = 0;
631 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
632 struct ofport_dpif *ofport;
633 struct ofbundle *bundle;
635 if (ofproto->backer != backer) {
640 xlate_ofproto_set(ofproto, ofproto->up.name,
641 ofproto->backer->dpif, ofproto->ml,
642 ofproto->stp, ofproto->rstp, ofproto->ms,
643 ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
645 ofproto->up.forward_bpdu,
646 connmgr_has_in_band(ofproto->up.connmgr),
647 &ofproto->backer->support);
649 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
650 xlate_bundle_set(ofproto, bundle, bundle->name,
651 bundle->vlan_mode, bundle->vlan,
652 bundle->trunks, bundle->use_priority_tags,
653 bundle->bond, bundle->lacp,
657 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
658 int stp_port = ofport->stp_port
659 ? stp_port_no(ofport->stp_port)
661 xlate_ofport_set(ofproto, ofport->bundle, ofport,
662 ofport->up.ofp_port, ofport->odp_port,
663 ofport->up.netdev, ofport->cfm, ofport->bfd,
664 ofport->lldp, ofport->peer, stp_port,
665 ofport->rstp_port, ofport->qdscp,
666 ofport->n_qdscp, ofport->up.pp.config,
667 ofport->up.pp.state, ofport->is_tunnel,
673 udpif_revalidate(backer->udpif);
676 process_dpif_port_changes(backer);
681 /* Check for and handle port changes in 'backer''s dpif. */
683 process_dpif_port_changes(struct dpif_backer *backer)
689 error = dpif_port_poll(backer->dpif, &devname);
695 process_dpif_all_ports_changed(backer);
699 process_dpif_port_change(backer, devname);
704 process_dpif_port_error(backer, error);
711 process_dpif_all_ports_changed(struct dpif_backer *backer)
713 struct ofproto_dpif *ofproto;
714 struct dpif_port dpif_port;
715 struct dpif_port_dump dump;
716 struct sset devnames;
719 sset_init(&devnames);
720 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
721 if (ofproto->backer == backer) {
722 struct ofport *ofport;
724 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
725 sset_add(&devnames, netdev_get_name(ofport->netdev));
729 DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) {
730 sset_add(&devnames, dpif_port.name);
733 SSET_FOR_EACH (devname, &devnames) {
734 process_dpif_port_change(backer, devname);
736 sset_destroy(&devnames);
740 process_dpif_port_change(struct dpif_backer *backer, const char *devname)
742 struct ofproto_dpif *ofproto;
743 struct dpif_port port;
745 /* Don't report on the datapath's device. */
746 if (!strcmp(devname, dpif_base_name(backer->dpif))) {
750 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
751 &all_ofproto_dpifs) {
752 if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
757 ofproto = lookup_ofproto_dpif_by_port_name(devname);
758 if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
759 /* The port was removed. If we know the datapath,
760 * report it through poll_set(). If we don't, it may be
761 * notifying us of a removal we initiated, so ignore it.
762 * If there's a pending ENOBUFS, let it stand, since
763 * everything will be reevaluated. */
764 if (ofproto && ofproto->port_poll_errno != ENOBUFS) {
765 sset_add(&ofproto->port_poll_set, devname);
766 ofproto->port_poll_errno = 0;
768 } else if (!ofproto) {
769 /* The port was added, but we don't know with which
770 * ofproto we should associate it. Delete it. */
771 dpif_port_del(backer->dpif, port.port_no);
773 struct ofport_dpif *ofport;
775 ofport = ofport_dpif_cast(shash_find_data(
776 &ofproto->up.port_by_name, devname));
778 && ofport->odp_port != port.port_no
779 && !odp_port_to_ofport(backer, port.port_no))
781 /* 'ofport''s datapath port number has changed from
782 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
783 * structures to match. */
784 ovs_rwlock_wrlock(&backer->odp_to_ofport_lock);
785 hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node);
786 ofport->odp_port = port.port_no;
787 hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node,
788 hash_odp_port(port.port_no));
789 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
790 backer->need_revalidate = REV_RECONFIGURE;
793 dpif_port_destroy(&port);
796 /* Propagate 'error' to all ofprotos based on 'backer'. */
798 process_dpif_port_error(struct dpif_backer *backer, int error)
800 struct ofproto_dpif *ofproto;
802 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
803 if (ofproto->backer == backer) {
804 sset_clear(&ofproto->port_poll_set);
805 ofproto->port_poll_errno = error;
811 type_wait(const char *type)
813 struct dpif_backer *backer;
815 backer = shash_find_data(&all_dpif_backers, type);
817 /* This is not necessarily a problem, since backers are only
818 * created on demand. */
822 dpif_wait(backer->dpif);
825 /* Basic life-cycle. */
827 static int add_internal_flows(struct ofproto_dpif *);
829 static struct ofproto *
832 struct ofproto_dpif *ofproto = xzalloc(sizeof *ofproto);
837 dealloc(struct ofproto *ofproto_)
839 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
844 close_dpif_backer(struct dpif_backer *backer)
846 ovs_assert(backer->refcount > 0);
848 if (--backer->refcount) {
852 udpif_destroy(backer->udpif);
854 simap_destroy(&backer->tnl_backers);
855 ovs_rwlock_destroy(&backer->odp_to_ofport_lock);
856 hmap_destroy(&backer->odp_to_ofport_map);
857 shash_find_and_delete(&all_dpif_backers, backer->type);
859 free(backer->dp_version_string);
860 dpif_close(backer->dpif);
864 /* Datapath port slated for removal from datapath. */
866 struct ovs_list list_node;
870 static bool check_variable_length_userdata(struct dpif_backer *backer);
871 static void check_support(struct dpif_backer *backer);
874 open_dpif_backer(const char *type, struct dpif_backer **backerp)
876 struct dpif_backer *backer;
877 struct dpif_port_dump port_dump;
878 struct dpif_port port;
879 struct shash_node *node;
880 struct ovs_list garbage_list;
881 struct odp_garbage *garbage;
890 backer = shash_find_data(&all_dpif_backers, type);
897 backer_name = xasprintf("ovs-%s", type);
899 /* Remove any existing datapaths, since we assume we're the only
900 * userspace controlling the datapath. */
902 dp_enumerate_names(type, &names);
903 SSET_FOR_EACH(name, &names) {
904 struct dpif *old_dpif;
906 /* Don't remove our backer if it exists. */
907 if (!strcmp(name, backer_name)) {
911 if (dpif_open(name, type, &old_dpif)) {
912 VLOG_WARN("couldn't open old datapath %s to remove it", name);
914 dpif_delete(old_dpif);
915 dpif_close(old_dpif);
918 sset_destroy(&names);
920 backer = xmalloc(sizeof *backer);
922 error = dpif_create_and_open(backer_name, type, &backer->dpif);
925 VLOG_ERR("failed to open datapath of type %s: %s", type,
926 ovs_strerror(error));
930 backer->udpif = udpif_create(backer, backer->dpif);
932 backer->type = xstrdup(type);
933 backer->refcount = 1;
934 hmap_init(&backer->odp_to_ofport_map);
935 ovs_rwlock_init(&backer->odp_to_ofport_lock);
936 backer->need_revalidate = 0;
937 simap_init(&backer->tnl_backers);
938 backer->recv_set_enable = !ofproto_get_flow_restore_wait();
941 if (backer->recv_set_enable) {
942 dpif_flow_flush(backer->dpif);
945 /* Loop through the ports already on the datapath and remove any
946 * that we don't need anymore. */
947 list_init(&garbage_list);
948 dpif_port_dump_start(&port_dump, backer->dpif);
949 while (dpif_port_dump_next(&port_dump, &port)) {
950 node = shash_find(&init_ofp_ports, port.name);
951 if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) {
952 garbage = xmalloc(sizeof *garbage);
953 garbage->odp_port = port.port_no;
954 list_push_front(&garbage_list, &garbage->list_node);
957 dpif_port_dump_done(&port_dump);
959 LIST_FOR_EACH_POP (garbage, list_node, &garbage_list) {
960 dpif_port_del(backer->dpif, garbage->odp_port);
964 shash_add(&all_dpif_backers, type, backer);
966 check_support(backer);
967 atomic_count_init(&backer->tnl_count, 0);
969 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
971 VLOG_ERR("failed to listen on datapath of type %s: %s",
972 type, ovs_strerror(error));
973 close_dpif_backer(backer);
977 if (backer->recv_set_enable) {
978 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
981 /* This check fails if performed before udpif threads have been set,
982 * as the kernel module checks that the 'pid' in userspace action
984 backer->support.variable_length_userdata
985 = check_variable_length_userdata(backer);
986 backer->dp_version_string = dpif_get_dp_version(backer->dpif);
992 ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto)
994 return ofproto_use_tnl_push_pop && ofproto->backer->support.tnl_push_pop &&
995 atomic_count_get(&ofproto->backer->tnl_count);
998 /* Tests whether 'backer''s datapath supports recirculation. Only newer
999 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
1000 * features on older datapaths that don't support this feature.
1002 * Returns false if 'backer' definitely does not support recirculation, true if
1003 * it seems to support recirculation or if at least the error we get is
1006 check_recirc(struct dpif_backer *backer)
1009 struct odputil_keybuf keybuf;
1012 struct odp_flow_key_parms odp_parms = {
1019 memset(&flow, 0, sizeof flow);
1023 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1024 odp_flow_key_from_flow(&odp_parms, &key);
1025 enable_recirc = dpif_probe_feature(backer->dpif, "recirculation", &key,
1028 if (enable_recirc) {
1029 VLOG_INFO("%s: Datapath supports recirculation",
1030 dpif_name(backer->dpif));
1032 VLOG_INFO("%s: Datapath does not support recirculation",
1033 dpif_name(backer->dpif));
1036 return enable_recirc;
1039 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
1040 * some flow attributes for datapaths that support this feature.
1042 * Returns true if 'dpif' supports UFID for flow operations.
1043 * Returns false if 'dpif' does not support UFID. */
1045 check_ufid(struct dpif_backer *backer)
1048 struct odputil_keybuf keybuf;
1052 struct odp_flow_key_parms odp_parms = {
1056 memset(&flow, 0, sizeof flow);
1057 flow.dl_type = htons(0x1234);
1059 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1060 odp_flow_key_from_flow(&odp_parms, &key);
1061 dpif_flow_hash(backer->dpif, key.data, key.size, &ufid);
1063 enable_ufid = dpif_probe_feature(backer->dpif, "UFID", &key, &ufid);
1066 VLOG_INFO("%s: Datapath supports unique flow ids",
1067 dpif_name(backer->dpif));
1069 VLOG_INFO("%s: Datapath does not support unique flow ids",
1070 dpif_name(backer->dpif));
1075 /* Tests whether 'backer''s datapath supports variable-length
1076 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1077 * to disable some features on older datapaths that don't support this
1080 * Returns false if 'backer' definitely does not support variable-length
1081 * userdata, true if it seems to support them or if at least the error we get
1084 check_variable_length_userdata(struct dpif_backer *backer)
1086 struct eth_header *eth;
1087 struct ofpbuf actions;
1088 struct dpif_execute execute;
1089 struct dp_packet packet;
1093 /* Compose a userspace action that will cause an ERANGE error on older
1094 * datapaths that don't support variable-length userdata.
1096 * We really test for using userdata longer than 8 bytes, but older
1097 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1098 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1099 * test for that instead as a proxy for longer userdata support. */
1100 ofpbuf_init(&actions, 64);
1101 start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE);
1102 nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID,
1103 dpif_port_get_pid(backer->dpif, ODPP_NONE, 0));
1104 nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4);
1105 nl_msg_end_nested(&actions, start);
1107 /* Compose a dummy ethernet packet. */
1108 dp_packet_init(&packet, ETH_HEADER_LEN);
1109 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1110 eth->eth_type = htons(0x1234);
1112 /* Execute the actions. On older datapaths this fails with ERANGE, on
1113 * newer datapaths it succeeds. */
1114 execute.actions = actions.data;
1115 execute.actions_len = actions.size;
1116 execute.packet = &packet;
1117 execute.needs_help = false;
1118 execute.probe = true;
1120 error = dpif_execute(backer->dpif, &execute);
1122 dp_packet_uninit(&packet);
1123 ofpbuf_uninit(&actions);
1130 /* Variable-length userdata is not supported. */
1131 VLOG_WARN("%s: datapath does not support variable-length userdata "
1132 "feature (needs Linux 3.10+ or kernel module from OVS "
1133 "1..11+). The NXAST_SAMPLE action will be ignored.",
1134 dpif_name(backer->dpif));
1138 /* Something odd happened. We're not sure whether variable-length
1139 * userdata is supported. Default to "yes". */
1140 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1141 dpif_name(backer->dpif), ovs_strerror(error));
1146 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1148 * Returns the number of elements in a struct flow's mpls_lse field
1149 * if the datapath supports at least that many entries in an
1151 * Otherwise returns the number of MPLS push actions supported by
1154 check_max_mpls_depth(struct dpif_backer *backer)
1159 for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) {
1160 struct odputil_keybuf keybuf;
1162 struct odp_flow_key_parms odp_parms = {
1166 memset(&flow, 0, sizeof flow);
1167 flow.dl_type = htons(ETH_TYPE_MPLS);
1168 flow_set_mpls_bos(&flow, n, 1);
1170 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1171 odp_flow_key_from_flow(&odp_parms, &key);
1172 if (!dpif_probe_feature(backer->dpif, "MPLS", &key, NULL)) {
1177 VLOG_INFO("%s: MPLS label stack length probed as %d",
1178 dpif_name(backer->dpif), n);
1182 /* Tests whether 'backer''s datapath supports masked data in
1183 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1184 * datapaths that don't support this feature. */
1186 check_masked_set_action(struct dpif_backer *backer)
1188 struct eth_header *eth;
1189 struct ofpbuf actions;
1190 struct dpif_execute execute;
1191 struct dp_packet packet;
1193 struct ovs_key_ethernet key, mask;
1195 /* Compose a set action that will cause an EINVAL error on older
1196 * datapaths that don't support masked set actions.
1197 * Avoid using a full mask, as it could be translated to a non-masked
1198 * set action instead. */
1199 ofpbuf_init(&actions, 64);
1200 memset(&key, 0x53, sizeof key);
1201 memset(&mask, 0x7f, sizeof mask);
1202 commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
1205 /* Compose a dummy ethernet packet. */
1206 dp_packet_init(&packet, ETH_HEADER_LEN);
1207 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1208 eth->eth_type = htons(0x1234);
1210 /* Execute the actions. On older datapaths this fails with EINVAL, on
1211 * newer datapaths it succeeds. */
1212 execute.actions = actions.data;
1213 execute.actions_len = actions.size;
1214 execute.packet = &packet;
1215 execute.needs_help = false;
1216 execute.probe = true;
1218 error = dpif_execute(backer->dpif, &execute);
1220 dp_packet_uninit(&packet);
1221 ofpbuf_uninit(&actions);
1224 /* Masked set action is not supported. */
1225 VLOG_INFO("%s: datapath does not support masked set action feature.",
1226 dpif_name(backer->dpif));
1232 check_support(struct dpif_backer *backer)
1234 /* This feature needs to be tested after udpif threads are set. */
1235 backer->support.variable_length_userdata = false;
1237 backer->support.odp.recirc = check_recirc(backer);
1238 backer->support.odp.max_mpls_depth = check_max_mpls_depth(backer);
1239 backer->support.masked_set_action = check_masked_set_action(backer);
1240 backer->support.ufid = check_ufid(backer);
1241 backer->support.tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif);
1245 construct(struct ofproto *ofproto_)
1247 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1248 struct shash_node *node, *next;
1251 /* Tunnel module can get used right after the udpif threads are running. */
1252 ofproto_tunnel_init();
1254 error = open_dpif_backer(ofproto->up.type, &ofproto->backer);
1259 atomic_init(&ofproto->tables_version, CLS_MIN_VERSION);
1260 ofproto->netflow = NULL;
1261 ofproto->sflow = NULL;
1262 ofproto->ipfix = NULL;
1263 ofproto->stp = NULL;
1264 ofproto->rstp = NULL;
1265 ofproto->dump_seq = 0;
1266 hmap_init(&ofproto->bundles);
1267 ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
1269 ofproto->mbridge = mbridge_create();
1270 ofproto->has_bonded_bundles = false;
1271 ofproto->lacp_enabled = false;
1272 ovs_mutex_init_adaptive(&ofproto->stats_mutex);
1273 ovs_mutex_init(&ofproto->vsp_mutex);
1275 guarded_list_init(&ofproto->pins);
1277 hmap_init(&ofproto->vlandev_map);
1278 hmap_init(&ofproto->realdev_vid_map);
1280 sset_init(&ofproto->ports);
1281 sset_init(&ofproto->ghost_ports);
1282 sset_init(&ofproto->port_poll_set);
1283 ofproto->port_poll_errno = 0;
1284 ofproto->change_seq = 0;
1285 ofproto->pins_seq = seq_create();
1286 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1289 SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) {
1290 struct iface_hint *iface_hint = node->data;
1292 if (!strcmp(iface_hint->br_name, ofproto->up.name)) {
1293 /* Check if the datapath already has this port. */
1294 if (dpif_port_exists(ofproto->backer->dpif, node->name)) {
1295 sset_add(&ofproto->ports, node->name);
1298 free(iface_hint->br_name);
1299 free(iface_hint->br_type);
1301 shash_delete(&init_ofp_ports, node);
1305 hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
1306 hash_string(ofproto->up.name, 0));
1307 memset(&ofproto->stats, 0, sizeof ofproto->stats);
1309 ofproto_init_tables(ofproto_, N_TABLES);
1310 error = add_internal_flows(ofproto);
1312 ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
1318 add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
1319 const struct ofpbuf *ofpacts, struct rule_dpif **rulep)
1325 match_init_catchall(&match);
1326 match_set_reg(&match, 0, id);
1328 error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
1330 *rulep = error ? NULL : rule_dpif_cast(rule);
1336 add_internal_flows(struct ofproto_dpif *ofproto)
1338 struct ofpact_controller *controller;
1339 uint64_t ofpacts_stub[128 / 8];
1340 struct ofpbuf ofpacts;
1341 struct rule *unused_rulep OVS_UNUSED;
1346 ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
1349 controller = ofpact_put_CONTROLLER(&ofpacts);
1350 controller->max_len = UINT16_MAX;
1351 controller->controller_id = 0;
1352 controller->reason = OFPR_NO_MATCH;
1353 ofpact_pad(&ofpacts);
1355 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1356 &ofproto->miss_rule);
1361 ofpbuf_clear(&ofpacts);
1362 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1363 &ofproto->no_packet_in_rule);
1368 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1369 &ofproto->drop_frags_rule);
1374 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1375 * zero when reaching this rule.
1377 * (priority=2), recirc_id=0, actions=drop
1379 ofpbuf_clear(&ofpacts);
1380 match_init_catchall(&match);
1381 match_set_recirc_id(&match, 0);
1382 error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
1388 destruct(struct ofproto *ofproto_)
1390 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1391 struct ofproto_packet_in *pin;
1392 struct rule_dpif *rule;
1393 struct oftable *table;
1394 struct ovs_list pins;
1396 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1398 xlate_remove_ofproto(ofproto);
1401 /* Ensure that the upcall processing threads have no remaining references
1402 * to the ofproto or anything in it. */
1403 udpif_synchronize(ofproto->backer->udpif);
1405 hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
1407 OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
1408 CLS_FOR_EACH (rule, up.cr, &table->cls) {
1409 ofproto_rule_delete(&ofproto->up, &rule->up);
1412 ofproto_group_delete_all(&ofproto->up);
1414 guarded_list_pop_all(&ofproto->pins, &pins);
1415 LIST_FOR_EACH_POP (pin, list_node, &pins) {
1416 free(CONST_CAST(void *, pin->up.packet));
1419 guarded_list_destroy(&ofproto->pins);
1421 recirc_free_ofproto(ofproto, ofproto->up.name);
1423 mbridge_unref(ofproto->mbridge);
1425 netflow_unref(ofproto->netflow);
1426 dpif_sflow_unref(ofproto->sflow);
1427 dpif_ipfix_unref(ofproto->ipfix);
1428 hmap_destroy(&ofproto->bundles);
1429 mac_learning_unref(ofproto->ml);
1430 mcast_snooping_unref(ofproto->ms);
1432 hmap_destroy(&ofproto->vlandev_map);
1433 hmap_destroy(&ofproto->realdev_vid_map);
1435 sset_destroy(&ofproto->ports);
1436 sset_destroy(&ofproto->ghost_ports);
1437 sset_destroy(&ofproto->port_poll_set);
1439 ovs_mutex_destroy(&ofproto->stats_mutex);
1440 ovs_mutex_destroy(&ofproto->vsp_mutex);
1442 seq_destroy(ofproto->pins_seq);
1444 close_dpif_backer(ofproto->backer);
1448 run(struct ofproto *ofproto_)
1450 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1451 uint64_t new_seq, new_dump_seq;
1453 if (mbridge_need_revalidate(ofproto->mbridge)) {
1454 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1455 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1456 mac_learning_flush(ofproto->ml);
1457 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1458 mcast_snooping_mdb_flush(ofproto->ms);
1461 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1462 * flow restore. Even though nothing is processed during flow restore,
1463 * all queued 'pins' will be handled immediately when flow restore
1465 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1467 /* Do not perform any periodic activity required by 'ofproto' while
1468 * waiting for flow restore to complete. */
1469 if (!ofproto_get_flow_restore_wait()) {
1470 struct ofproto_packet_in *pin;
1471 struct ovs_list pins;
1473 guarded_list_pop_all(&ofproto->pins, &pins);
1474 LIST_FOR_EACH_POP (pin, list_node, &pins) {
1475 connmgr_send_packet_in(ofproto->up.connmgr, pin);
1476 free(CONST_CAST(void *, pin->up.packet));
1481 if (ofproto->netflow) {
1482 netflow_run(ofproto->netflow);
1484 if (ofproto->sflow) {
1485 dpif_sflow_run(ofproto->sflow);
1487 if (ofproto->ipfix) {
1488 dpif_ipfix_run(ofproto->ipfix);
1491 new_seq = seq_read(connectivity_seq_get());
1492 if (ofproto->change_seq != new_seq) {
1493 struct ofport_dpif *ofport;
1495 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1499 ofproto->change_seq = new_seq;
1501 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1502 struct ofbundle *bundle;
1504 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1511 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1512 if (mac_learning_run(ofproto->ml)) {
1513 ofproto->backer->need_revalidate = REV_MAC_LEARNING;
1515 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1517 if (mcast_snooping_run(ofproto->ms)) {
1518 ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
1521 new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
1522 if (ofproto->dump_seq != new_dump_seq) {
1523 struct rule *rule, *next_rule;
1525 /* We know stats are relatively fresh, so now is a good time to do some
1527 ofproto->dump_seq = new_dump_seq;
1529 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1531 ovs_mutex_lock(&ofproto_mutex);
1532 LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
1533 &ofproto->up.expirable) {
1534 rule_expire(rule_dpif_cast(rule));
1536 ovs_mutex_unlock(&ofproto_mutex);
1538 /* All outstanding data in existing flows has been accounted, so it's a
1539 * good time to do bond rebalancing. */
1540 if (ofproto->has_bonded_bundles) {
1541 struct ofbundle *bundle;
1543 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1545 bond_rebalance(bundle->bond);
1554 wait(struct ofproto *ofproto_)
1556 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1558 if (ofproto_get_flow_restore_wait()) {
1562 if (ofproto->sflow) {
1563 dpif_sflow_wait(ofproto->sflow);
1565 if (ofproto->ipfix) {
1566 dpif_ipfix_wait(ofproto->ipfix);
1568 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1569 struct ofbundle *bundle;
1571 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1572 bundle_wait(bundle);
1575 if (ofproto->netflow) {
1576 netflow_wait(ofproto->netflow);
1578 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
1579 mac_learning_wait(ofproto->ml);
1580 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1581 mcast_snooping_wait(ofproto->ms);
1583 if (ofproto->backer->need_revalidate) {
1584 /* Shouldn't happen, but if it does just go around again. */
1585 VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()");
1586 poll_immediate_wake();
1589 seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq);
1590 seq_wait(ofproto->pins_seq, ofproto->pins_seqno);
1594 type_get_memory_usage(const char *type, struct simap *usage)
1596 struct dpif_backer *backer;
1598 backer = shash_find_data(&all_dpif_backers, type);
1600 udpif_get_memory_usage(backer->udpif, usage);
1605 flush(struct ofproto *ofproto_)
1607 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1608 struct dpif_backer *backer = ofproto->backer;
1611 udpif_flush(backer->udpif);
1616 query_tables(struct ofproto *ofproto,
1617 struct ofputil_table_features *features,
1618 struct ofputil_table_stats *stats)
1620 strcpy(features->name, "classifier");
1625 for (i = 0; i < ofproto->n_tables; i++) {
1626 unsigned long missed, matched;
1628 atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
1629 atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
1631 stats[i].matched_count = matched;
1632 stats[i].lookup_count = matched + missed;
1638 set_tables_version(struct ofproto *ofproto_, cls_version_t version)
1640 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1642 atomic_store_relaxed(&ofproto->tables_version, version);
1646 static struct ofport *
1649 struct ofport_dpif *port = xzalloc(sizeof *port);
1654 port_dealloc(struct ofport *port_)
1656 struct ofport_dpif *port = ofport_dpif_cast(port_);
1661 port_construct(struct ofport *port_)
1663 struct ofport_dpif *port = ofport_dpif_cast(port_);
1664 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1665 const struct netdev *netdev = port->up.netdev;
1666 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1667 const char *dp_port_name;
1668 struct dpif_port dpif_port;
1671 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1672 port->bundle = NULL;
1676 port->may_enable = false;
1677 port->stp_port = NULL;
1678 port->stp_state = STP_DISABLED;
1679 port->rstp_port = NULL;
1680 port->rstp_state = RSTP_DISABLED;
1681 port->is_tunnel = false;
1685 port->realdev_ofp_port = 0;
1686 port->vlandev_vid = 0;
1687 port->carrier_seq = netdev_get_carrier_resets(netdev);
1688 port->is_layer3 = netdev_vport_is_layer3(netdev);
1690 if (netdev_vport_is_patch(netdev)) {
1691 /* By bailing out here, we don't submit the port to the sFlow module
1692 * to be considered for counter polling export. This is correct
1693 * because the patch port represents an interface that sFlow considers
1694 * to be "internal" to the switch as a whole, and therefore not a
1695 * candidate for counter polling. */
1696 port->odp_port = ODPP_NONE;
1697 ofport_update_peer(port);
1701 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1702 error = dpif_port_query_by_name(ofproto->backer->dpif, dp_port_name,
1708 port->odp_port = dpif_port.port_no;
1710 if (netdev_get_tunnel_config(netdev)) {
1711 atomic_count_inc(&ofproto->backer->tnl_count);
1712 error = tnl_port_add(port, port->up.netdev, port->odp_port,
1713 ovs_native_tunneling_is_on(ofproto), dp_port_name);
1715 atomic_count_dec(&ofproto->backer->tnl_count);
1716 dpif_port_destroy(&dpif_port);
1720 port->is_tunnel = true;
1721 if (ofproto->ipfix) {
1722 dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
1725 /* Sanity-check that a mapping doesn't already exist. This
1726 * shouldn't happen for non-tunnel ports. */
1727 if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
1728 VLOG_ERR("port %s already has an OpenFlow port number",
1730 dpif_port_destroy(&dpif_port);
1734 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1735 hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
1736 hash_odp_port(port->odp_port));
1737 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1739 dpif_port_destroy(&dpif_port);
1741 if (ofproto->sflow) {
1742 dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
1749 port_destruct(struct ofport *port_)
1751 struct ofport_dpif *port = ofport_dpif_cast(port_);
1752 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1753 const char *devname = netdev_get_name(port->up.netdev);
1754 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1755 const char *dp_port_name;
1757 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1759 xlate_ofport_remove(port);
1762 dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf,
1764 if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
1765 /* The underlying device is still there, so delete it. This
1766 * happens when the ofproto is being destroyed, since the caller
1767 * assumes that removal of attached ports will happen as part of
1769 if (!port->is_tunnel) {
1770 dpif_port_del(ofproto->backer->dpif, port->odp_port);
1775 port->peer->peer = NULL;
1779 if (port->odp_port != ODPP_NONE && !port->is_tunnel) {
1780 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1781 hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
1782 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1785 if (port->is_tunnel) {
1786 atomic_count_dec(&ofproto->backer->tnl_count);
1789 if (port->is_tunnel && ofproto->ipfix) {
1790 dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
1794 sset_find_and_delete(&ofproto->ports, devname);
1795 sset_find_and_delete(&ofproto->ghost_ports, devname);
1796 bundle_remove(port_);
1797 set_cfm(port_, NULL);
1798 set_bfd(port_, NULL);
1799 set_lldp(port_, NULL);
1800 if (port->stp_port) {
1801 stp_port_disable(port->stp_port);
1803 set_rstp_port(port_, NULL);
1804 if (ofproto->sflow) {
1805 dpif_sflow_del_port(ofproto->sflow, port->odp_port);
1812 port_modified(struct ofport *port_)
1814 struct ofport_dpif *port = ofport_dpif_cast(port_);
1815 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1816 const char *dp_port_name;
1817 struct netdev *netdev = port->up.netdev;
1819 if (port->bundle && port->bundle->bond) {
1820 bond_slave_set_netdev(port->bundle->bond, port, netdev);
1824 cfm_set_netdev(port->cfm, netdev);
1828 bfd_set_netdev(port->bfd, netdev);
1831 ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
1832 port->lldp, port->up.pp.hw_addr);
1834 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1836 if (port->is_tunnel) {
1837 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1839 if (tnl_port_reconfigure(port, netdev, port->odp_port,
1840 ovs_native_tunneling_is_on(ofproto),
1842 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1846 ofport_update_peer(port);
1850 port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config)
1852 struct ofport_dpif *port = ofport_dpif_cast(port_);
1853 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1854 enum ofputil_port_config changed = old_config ^ port->up.pp.config;
1856 if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
1857 OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
1858 OFPUTIL_PC_NO_PACKET_IN)) {
1859 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1861 if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
1862 bundle_update(port->bundle);
1868 set_sflow(struct ofproto *ofproto_,
1869 const struct ofproto_sflow_options *sflow_options)
1871 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1872 struct dpif_sflow *ds = ofproto->sflow;
1874 if (sflow_options) {
1875 uint32_t old_probability = ds ? dpif_sflow_get_probability(ds) : 0;
1877 struct ofport_dpif *ofport;
1879 ds = ofproto->sflow = dpif_sflow_create();
1880 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1881 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
1884 dpif_sflow_set_options(ds, sflow_options);
1885 if (dpif_sflow_get_probability(ds) != old_probability) {
1886 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1890 dpif_sflow_unref(ds);
1891 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1892 ofproto->sflow = NULL;
1900 struct ofproto *ofproto_,
1901 const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
1902 const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
1903 size_t n_flow_exporters_options)
1905 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1906 struct dpif_ipfix *di = ofproto->ipfix;
1907 bool has_options = bridge_exporter_options || flow_exporters_options;
1908 bool new_di = false;
1910 if (has_options && !di) {
1911 di = ofproto->ipfix = dpif_ipfix_create();
1916 /* Call set_options in any case to cleanly flush the flow
1917 * caches in the last exporters that are to be destroyed. */
1918 dpif_ipfix_set_options(
1919 di, bridge_exporter_options, flow_exporters_options,
1920 n_flow_exporters_options);
1922 /* Add tunnel ports only when a new ipfix created */
1923 if (new_di == true) {
1924 struct ofport_dpif *ofport;
1925 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1926 if (ofport->is_tunnel == true) {
1927 dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
1933 dpif_ipfix_unref(di);
1934 ofproto->ipfix = NULL;
1942 set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
1944 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1945 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
1946 struct cfm *old = ofport->cfm;
1951 ofport->cfm = cfm_create(ofport->up.netdev);
1954 if (cfm_configure(ofport->cfm, s)) {
1961 cfm_unref(ofport->cfm);
1964 if (ofport->cfm != old) {
1965 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1967 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1968 ofport->lldp, ofport->up.pp.hw_addr);
1973 cfm_status_changed(struct ofport *ofport_)
1975 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1977 return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true;
1981 get_cfm_status(const struct ofport *ofport_,
1982 struct cfm_status *status)
1984 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1988 cfm_get_status(ofport->cfm, status);
1997 set_bfd(struct ofport *ofport_, const struct smap *cfg)
1999 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
2000 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2004 ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev),
2005 cfg, ofport->up.netdev);
2006 if (ofport->bfd != old) {
2007 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2009 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
2010 ofport->lldp, ofport->up.pp.hw_addr);
2015 bfd_status_changed(struct ofport *ofport_)
2017 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2019 return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true;
2023 get_bfd_status(struct ofport *ofport_, struct smap *smap)
2025 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2029 bfd_get_status(ofport->bfd, smap);
2038 set_lldp(struct ofport *ofport_,
2039 const struct smap *cfg)
2041 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2045 if (!ofport->lldp) {
2046 struct ofproto_dpif *ofproto;
2048 ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2049 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2050 ofport->lldp = lldp_create(ofport->up.netdev, ofport_->mtu, cfg);
2053 if (!lldp_configure(ofport->lldp, cfg)) {
2058 lldp_unref(ofport->lldp);
2059 ofport->lldp = NULL;
2062 ofproto_dpif_monitor_port_update(ofport,
2066 ofport->up.pp.hw_addr);
2071 get_lldp_status(const struct ofport *ofport_,
2072 struct lldp_status *status OVS_UNUSED)
2074 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2076 return ofport->lldp ? true : false;
2080 set_aa(struct ofproto *ofproto OVS_UNUSED,
2081 const struct aa_settings *s)
2083 return aa_configure(s);
2087 aa_mapping_set(struct ofproto *ofproto_ OVS_UNUSED, void *aux,
2088 const struct aa_mapping_settings *s)
2090 return aa_mapping_register(aux, s);
2094 aa_mapping_unset(struct ofproto *ofproto OVS_UNUSED, void *aux)
2096 return aa_mapping_unregister(aux);
2100 aa_vlan_get_queued(struct ofproto *ofproto OVS_UNUSED, struct ovs_list *list)
2102 return aa_get_vlan_queued(list);
2106 aa_vlan_get_queue_size(struct ofproto *ofproto OVS_UNUSED)
2108 return aa_get_vlan_queue_size();
2112 /* Spanning Tree. */
2114 /* Called while rstp_mutex is held. */
2116 rstp_send_bpdu_cb(struct dp_packet *pkt, void *ofport_, void *ofproto_)
2118 struct ofproto_dpif *ofproto = ofproto_;
2119 struct ofport_dpif *ofport = ofport_;
2120 struct eth_header *eth = dp_packet_l2(pkt);
2122 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2123 if (eth_addr_is_zero(eth->eth_src)) {
2124 VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
2125 "does not have a configured source MAC address.",
2126 ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
2128 ofproto_dpif_send_packet(ofport, pkt);
2130 dp_packet_delete(pkt);
2134 send_bpdu_cb(struct dp_packet *pkt, int port_num, void *ofproto_)
2136 struct ofproto_dpif *ofproto = ofproto_;
2137 struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
2138 struct ofport_dpif *ofport;
2140 ofport = stp_port_get_aux(sp);
2142 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
2143 ofproto->up.name, port_num);
2145 struct eth_header *eth = dp_packet_l2(pkt);
2147 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2148 if (eth_addr_is_zero(eth->eth_src)) {
2149 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
2150 "with unknown MAC", ofproto->up.name, port_num);
2152 ofproto_dpif_send_packet(ofport, pkt);
2155 dp_packet_delete(pkt);
2158 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2160 set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
2162 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2164 /* Only revalidate flows if the configuration changed. */
2165 if (!s != !ofproto->rstp) {
2166 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2170 if (!ofproto->rstp) {
2171 ofproto->rstp = rstp_create(ofproto_->name, s->address,
2172 rstp_send_bpdu_cb, ofproto);
2173 ofproto->rstp_last_tick = time_msec();
2175 rstp_set_bridge_address(ofproto->rstp, s->address);
2176 rstp_set_bridge_priority(ofproto->rstp, s->priority);
2177 rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
2178 rstp_set_bridge_force_protocol_version(ofproto->rstp,
2179 s->force_protocol_version);
2180 rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
2181 rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
2182 rstp_set_bridge_transmit_hold_count(ofproto->rstp,
2183 s->transmit_hold_count);
2185 struct ofport *ofport;
2186 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2187 set_rstp_port(ofport, NULL);
2189 rstp_unref(ofproto->rstp);
2190 ofproto->rstp = NULL;
2195 get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
2197 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2199 if (ofproto->rstp) {
2201 s->root_id = rstp_get_root_id(ofproto->rstp);
2202 s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
2203 s->designated_id = rstp_get_designated_id(ofproto->rstp);
2204 s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
2205 s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
2206 s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
2213 update_rstp_port_state(struct ofport_dpif *ofport)
2215 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2216 enum rstp_state state;
2218 /* Figure out new state. */
2219 state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
2223 if (ofport->rstp_state != state) {
2224 enum ofputil_port_state of_state;
2227 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2228 netdev_get_name(ofport->up.netdev),
2229 rstp_state_name(ofport->rstp_state),
2230 rstp_state_name(state));
2232 if (rstp_learn_in_state(ofport->rstp_state)
2233 != rstp_learn_in_state(state)) {
2234 /* XXX: Learning action flows should also be flushed. */
2235 if (ofport->bundle) {
2236 if (!rstp_shift_root_learned_address(ofproto->rstp)
2237 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2238 bundle_flush_macs(ofport->bundle, false);
2242 fwd_change = rstp_forward_in_state(ofport->rstp_state)
2243 != rstp_forward_in_state(state);
2245 ofproto->backer->need_revalidate = REV_RSTP;
2246 ofport->rstp_state = state;
2248 if (fwd_change && ofport->bundle) {
2249 bundle_update(ofport->bundle);
2252 /* Update the RSTP state bits in the OpenFlow port description. */
2253 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2254 of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
2255 : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2256 : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN
2258 ofproto_port_set_state(&ofport->up, of_state);
2263 rstp_run(struct ofproto_dpif *ofproto)
2265 if (ofproto->rstp) {
2266 long long int now = time_msec();
2267 long long int elapsed = now - ofproto->rstp_last_tick;
2268 struct rstp_port *rp;
2269 struct ofport_dpif *ofport;
2271 /* Every second, decrease the values of the timers. */
2272 if (elapsed >= 1000) {
2273 rstp_tick_timers(ofproto->rstp);
2274 ofproto->rstp_last_tick = now;
2277 while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
2278 update_rstp_port_state(ofport);
2282 /* FIXME: This check should be done on-event (i.e., when setting
2283 * p->fdb_flush) and not periodically.
2285 while ((ofport = rstp_check_and_reset_fdb_flush(ofproto->rstp, &rp))) {
2286 if (!rstp_shift_root_learned_address(ofproto->rstp)
2287 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2288 bundle_flush_macs(ofport->bundle, false);
2292 if (rstp_shift_root_learned_address(ofproto->rstp)) {
2293 bundle_move(((struct ofport_dpif *)rstp_get_old_root_aux(ofproto->rstp))->bundle,
2294 ((struct ofport_dpif *)rstp_get_new_root_aux(ofproto->rstp))->bundle);
2295 rstp_reset_root_changed(ofproto->rstp);
2300 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2302 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
2304 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2306 /* Only revalidate flows if the configuration changed. */
2307 if (!s != !ofproto->stp) {
2308 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2312 if (!ofproto->stp) {
2313 ofproto->stp = stp_create(ofproto_->name, s->system_id,
2314 send_bpdu_cb, ofproto);
2315 ofproto->stp_last_tick = time_msec();
2318 stp_set_bridge_id(ofproto->stp, s->system_id);
2319 stp_set_bridge_priority(ofproto->stp, s->priority);
2320 stp_set_hello_time(ofproto->stp, s->hello_time);
2321 stp_set_max_age(ofproto->stp, s->max_age);
2322 stp_set_forward_delay(ofproto->stp, s->fwd_delay);
2324 struct ofport *ofport;
2326 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2327 set_stp_port(ofport, NULL);
2330 stp_unref(ofproto->stp);
2331 ofproto->stp = NULL;
2338 get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
2340 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2344 s->bridge_id = stp_get_bridge_id(ofproto->stp);
2345 s->designated_root = stp_get_designated_root(ofproto->stp);
2346 s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
2355 update_stp_port_state(struct ofport_dpif *ofport)
2357 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2358 enum stp_state state;
2360 /* Figure out new state. */
2361 state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
2365 if (ofport->stp_state != state) {
2366 enum ofputil_port_state of_state;
2369 VLOG_DBG("port %s: STP state changed from %s to %s",
2370 netdev_get_name(ofport->up.netdev),
2371 stp_state_name(ofport->stp_state),
2372 stp_state_name(state));
2373 if (stp_learn_in_state(ofport->stp_state)
2374 != stp_learn_in_state(state)) {
2375 /* xxx Learning action flows should also be flushed. */
2376 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2377 mac_learning_flush(ofproto->ml);
2378 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2379 mcast_snooping_mdb_flush(ofproto->ms);
2381 fwd_change = stp_forward_in_state(ofport->stp_state)
2382 != stp_forward_in_state(state);
2384 ofproto->backer->need_revalidate = REV_STP;
2385 ofport->stp_state = state;
2386 ofport->stp_state_entered = time_msec();
2388 if (fwd_change && ofport->bundle) {
2389 bundle_update(ofport->bundle);
2392 /* Update the STP state bits in the OpenFlow port description. */
2393 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2394 of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN
2395 : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN
2396 : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2397 : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK
2399 ofproto_port_set_state(&ofport->up, of_state);
2403 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2404 * caller is responsible for assigning STP port numbers and ensuring
2405 * there are no duplicates. */
2407 set_stp_port(struct ofport *ofport_,
2408 const struct ofproto_port_stp_settings *s)
2410 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2411 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2412 struct stp_port *sp = ofport->stp_port;
2414 if (!s || !s->enable) {
2416 ofport->stp_port = NULL;
2417 stp_port_disable(sp);
2418 update_stp_port_state(ofport);
2421 } else if (sp && stp_port_no(sp) != s->port_num
2422 && ofport == stp_port_get_aux(sp)) {
2423 /* The port-id changed, so disable the old one if it's not
2424 * already in use by another port. */
2425 stp_port_disable(sp);
2428 sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
2430 /* Set name before enabling the port so that debugging messages can print
2432 stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
2433 stp_port_enable(sp);
2435 stp_port_set_aux(sp, ofport);
2436 stp_port_set_priority(sp, s->priority);
2437 stp_port_set_path_cost(sp, s->path_cost);
2439 update_stp_port_state(ofport);
2445 get_stp_port_status(struct ofport *ofport_,
2446 struct ofproto_port_stp_status *s)
2448 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2449 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2450 struct stp_port *sp = ofport->stp_port;
2452 if (!ofproto->stp || !sp) {
2458 s->port_id = stp_port_get_id(sp);
2459 s->state = stp_port_get_state(sp);
2460 s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
2461 s->role = stp_port_get_role(sp);
2467 get_stp_port_stats(struct ofport *ofport_,
2468 struct ofproto_port_stp_stats *s)
2470 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2471 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2472 struct stp_port *sp = ofport->stp_port;
2474 if (!ofproto->stp || !sp) {
2480 stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
2486 stp_run(struct ofproto_dpif *ofproto)
2489 long long int now = time_msec();
2490 long long int elapsed = now - ofproto->stp_last_tick;
2491 struct stp_port *sp;
2494 stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
2495 ofproto->stp_last_tick = now;
2497 while (stp_get_changed_port(ofproto->stp, &sp)) {
2498 struct ofport_dpif *ofport = stp_port_get_aux(sp);
2501 update_stp_port_state(ofport);
2505 if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
2506 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2507 mac_learning_flush(ofproto->ml);
2508 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2509 mcast_snooping_mdb_flush(ofproto->ms);
2515 stp_wait(struct ofproto_dpif *ofproto)
2518 poll_timer_wait(1000);
2522 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2523 * caller is responsible for assigning RSTP port numbers and ensuring
2524 * there are no duplicates. */
2526 set_rstp_port(struct ofport *ofport_,
2527 const struct ofproto_port_rstp_settings *s)
2529 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2530 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2531 struct rstp_port *rp = ofport->rstp_port;
2533 if (!s || !s->enable) {
2535 rstp_port_unref(rp);
2536 ofport->rstp_port = NULL;
2537 update_rstp_port_state(ofport);
2542 /* Check if need to add a new port. */
2544 rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
2547 rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
2548 s->admin_edge_port, s->auto_edge,
2549 s->admin_p2p_mac_state, s->admin_port_state, s->mcheck,
2551 update_rstp_port_state(ofport);
2552 /* Synchronize operational status. */
2553 rstp_port_set_mac_operational(rp, ofport->may_enable);
2557 get_rstp_port_status(struct ofport *ofport_,
2558 struct ofproto_port_rstp_status *s)
2560 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2561 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2562 struct rstp_port *rp = ofport->rstp_port;
2564 if (!ofproto->rstp || !rp) {
2570 rstp_port_get_status(rp, &s->port_id, &s->state, &s->role,
2571 &s->designated_bridge_id, &s->designated_port_id,
2572 &s->designated_path_cost, &s->tx_count,
2573 &s->rx_count, &s->error_count, &s->uptime);
2578 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
2581 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2582 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2584 if (ofport->n_qdscp != n_qdscp
2585 || (n_qdscp && memcmp(ofport->qdscp, qdscp,
2586 n_qdscp * sizeof *qdscp))) {
2587 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2588 free(ofport->qdscp);
2589 ofport->qdscp = n_qdscp
2590 ? xmemdup(qdscp, n_qdscp * sizeof *qdscp)
2592 ofport->n_qdscp = n_qdscp;
2600 /* Expires all MAC learning entries associated with 'bundle' and forces its
2601 * ofproto to revalidate every flow.
2603 * Normally MAC learning entries are removed only from the ofproto associated
2604 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2605 * are removed from every ofproto. When patch ports and SLB bonds are in use
2606 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2607 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2608 * with the host from which it migrated. */
2610 bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
2612 struct ofproto_dpif *ofproto = bundle->ofproto;
2613 struct mac_learning *ml = ofproto->ml;
2614 struct mac_entry *mac, *next_mac;
2616 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2617 ovs_rwlock_wrlock(&ml->rwlock);
2618 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2619 if (mac_entry_get_port(ml, mac) == bundle) {
2621 struct ofproto_dpif *o;
2623 HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
2625 struct mac_entry *e;
2627 ovs_rwlock_wrlock(&o->ml->rwlock);
2628 e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
2630 mac_learning_expire(o->ml, e);
2632 ovs_rwlock_unlock(&o->ml->rwlock);
2637 mac_learning_expire(ml, mac);
2640 ovs_rwlock_unlock(&ml->rwlock);
2644 bundle_move(struct ofbundle *old, struct ofbundle *new)
2646 struct ofproto_dpif *ofproto = old->ofproto;
2647 struct mac_learning *ml = ofproto->ml;
2648 struct mac_entry *mac, *next_mac;
2650 ovs_assert(new->ofproto == old->ofproto);
2652 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2653 ovs_rwlock_wrlock(&ml->rwlock);
2654 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2655 if (mac_entry_get_port(ml, mac) == old) {
2656 mac_entry_set_port(ml, mac, new);
2659 ovs_rwlock_unlock(&ml->rwlock);
2662 static struct ofbundle *
2663 bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
2665 struct ofbundle *bundle;
2667 HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0),
2668 &ofproto->bundles) {
2669 if (bundle->aux == aux) {
2677 bundle_update(struct ofbundle *bundle)
2679 struct ofport_dpif *port;
2681 bundle->floodable = true;
2682 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2683 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2685 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2686 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2687 bundle->floodable = false;
2694 bundle_del_port(struct ofport_dpif *port)
2696 struct ofbundle *bundle = port->bundle;
2698 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2700 list_remove(&port->bundle_node);
2701 port->bundle = NULL;
2704 lacp_slave_unregister(bundle->lacp, port);
2707 bond_slave_unregister(bundle->bond, port);
2710 bundle_update(bundle);
2714 bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port,
2715 struct lacp_slave_settings *lacp)
2717 struct ofport_dpif *port;
2719 port = ofp_port_to_ofport(bundle->ofproto, ofp_port);
2724 if (port->bundle != bundle) {
2725 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2727 bundle_remove(&port->up);
2730 port->bundle = bundle;
2731 list_push_back(&bundle->ports, &port->bundle_node);
2732 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2734 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2735 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2736 bundle->floodable = false;
2740 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2741 lacp_slave_register(bundle->lacp, port, lacp);
2748 bundle_destroy(struct ofbundle *bundle)
2750 struct ofproto_dpif *ofproto;
2751 struct ofport_dpif *port, *next_port;
2757 ofproto = bundle->ofproto;
2758 mbridge_unregister_bundle(ofproto->mbridge, bundle);
2761 xlate_bundle_remove(bundle);
2764 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2765 bundle_del_port(port);
2768 bundle_flush_macs(bundle, true);
2769 hmap_remove(&ofproto->bundles, &bundle->hmap_node);
2771 free(bundle->trunks);
2772 lacp_unref(bundle->lacp);
2773 bond_unref(bundle->bond);
2778 bundle_set(struct ofproto *ofproto_, void *aux,
2779 const struct ofproto_bundle_settings *s)
2781 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2782 bool need_flush = false;
2783 struct ofport_dpif *port;
2784 struct ofbundle *bundle;
2785 unsigned long *trunks;
2791 bundle_destroy(bundle_lookup(ofproto, aux));
2795 ovs_assert(s->n_slaves == 1 || s->bond != NULL);
2796 ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL));
2798 bundle = bundle_lookup(ofproto, aux);
2800 bundle = xmalloc(sizeof *bundle);
2802 bundle->ofproto = ofproto;
2803 hmap_insert(&ofproto->bundles, &bundle->hmap_node,
2804 hash_pointer(aux, 0));
2806 bundle->name = NULL;
2808 list_init(&bundle->ports);
2809 bundle->vlan_mode = PORT_VLAN_TRUNK;
2811 bundle->trunks = NULL;
2812 bundle->use_priority_tags = s->use_priority_tags;
2813 bundle->lacp = NULL;
2814 bundle->bond = NULL;
2816 bundle->floodable = true;
2817 mbridge_register_bundle(ofproto->mbridge, bundle);
2820 if (!bundle->name || strcmp(s->name, bundle->name)) {
2822 bundle->name = xstrdup(s->name);
2827 ofproto->lacp_enabled = true;
2828 if (!bundle->lacp) {
2829 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2830 bundle->lacp = lacp_create();
2832 lacp_configure(bundle->lacp, s->lacp);
2834 lacp_unref(bundle->lacp);
2835 bundle->lacp = NULL;
2838 /* Update set of ports. */
2840 for (i = 0; i < s->n_slaves; i++) {
2841 if (!bundle_add_port(bundle, s->slaves[i],
2842 s->lacp ? &s->lacp_slaves[i] : NULL)) {
2846 if (!ok || list_size(&bundle->ports) != s->n_slaves) {
2847 struct ofport_dpif *next_port;
2849 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2850 for (i = 0; i < s->n_slaves; i++) {
2851 if (s->slaves[i] == port->up.ofp_port) {
2856 bundle_del_port(port);
2860 ovs_assert(list_size(&bundle->ports) <= s->n_slaves);
2862 if (list_is_empty(&bundle->ports)) {
2863 bundle_destroy(bundle);
2867 /* Set VLAN tagging mode */
2868 if (s->vlan_mode != bundle->vlan_mode
2869 || s->use_priority_tags != bundle->use_priority_tags) {
2870 bundle->vlan_mode = s->vlan_mode;
2871 bundle->use_priority_tags = s->use_priority_tags;
2876 vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1
2877 : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan
2879 if (vlan != bundle->vlan) {
2880 bundle->vlan = vlan;
2884 /* Get trunked VLANs. */
2885 switch (s->vlan_mode) {
2886 case PORT_VLAN_ACCESS:
2890 case PORT_VLAN_TRUNK:
2891 trunks = CONST_CAST(unsigned long *, s->trunks);
2894 case PORT_VLAN_NATIVE_UNTAGGED:
2895 case PORT_VLAN_NATIVE_TAGGED:
2896 if (vlan != 0 && (!s->trunks
2897 || !bitmap_is_set(s->trunks, vlan)
2898 || bitmap_is_set(s->trunks, 0))) {
2899 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2901 trunks = bitmap_clone(s->trunks, 4096);
2903 trunks = bitmap_allocate1(4096);
2905 bitmap_set1(trunks, vlan);
2906 bitmap_set0(trunks, 0);
2908 trunks = CONST_CAST(unsigned long *, s->trunks);
2915 if (!vlan_bitmap_equal(trunks, bundle->trunks)) {
2916 free(bundle->trunks);
2917 if (trunks == s->trunks) {
2918 bundle->trunks = vlan_bitmap_clone(trunks);
2920 bundle->trunks = trunks;
2925 if (trunks != s->trunks) {
2930 if (!list_is_short(&bundle->ports)) {
2931 bundle->ofproto->has_bonded_bundles = true;
2933 if (bond_reconfigure(bundle->bond, s->bond)) {
2934 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2937 bundle->bond = bond_create(s->bond, ofproto);
2938 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2941 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2942 bond_slave_register(bundle->bond, port,
2943 port->up.ofp_port, port->up.netdev);
2946 bond_unref(bundle->bond);
2947 bundle->bond = NULL;
2950 /* If we changed something that would affect MAC learning, un-learn
2951 * everything on this port and force flow revalidation. */
2953 bundle_flush_macs(bundle, false);
2960 bundle_remove(struct ofport *port_)
2962 struct ofport_dpif *port = ofport_dpif_cast(port_);
2963 struct ofbundle *bundle = port->bundle;
2966 bundle_del_port(port);
2967 if (list_is_empty(&bundle->ports)) {
2968 bundle_destroy(bundle);
2969 } else if (list_is_short(&bundle->ports)) {
2970 bond_unref(bundle->bond);
2971 bundle->bond = NULL;
2977 send_pdu_cb(void *port_, const void *pdu, size_t pdu_size)
2979 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
2980 struct ofport_dpif *port = port_;
2981 uint8_t ea[ETH_ADDR_LEN];
2984 error = netdev_get_etheraddr(port->up.netdev, ea);
2986 struct dp_packet packet;
2989 dp_packet_init(&packet, 0);
2990 packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
2992 memcpy(packet_pdu, pdu, pdu_size);
2994 ofproto_dpif_send_packet(port, &packet);
2995 dp_packet_uninit(&packet);
2997 VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
2998 "%s (%s)", port->bundle->name,
2999 netdev_get_name(port->up.netdev), ovs_strerror(error));
3004 bundle_send_learning_packets(struct ofbundle *bundle)
3006 struct ofproto_dpif *ofproto = bundle->ofproto;
3007 int error, n_packets, n_errors;
3008 struct mac_entry *e;
3010 struct ovs_list list_node;
3011 struct ofport_dpif *port;
3012 struct dp_packet *pkt;
3014 struct ovs_list packets;
3016 list_init(&packets);
3017 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
3018 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
3019 if (mac_entry_get_port(ofproto->ml, e) != bundle) {
3020 pkt_node = xmalloc(sizeof *pkt_node);
3021 pkt_node->pkt = bond_compose_learning_packet(bundle->bond,
3023 (void **)&pkt_node->port);
3024 list_push_back(&packets, &pkt_node->list_node);
3027 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3029 error = n_packets = n_errors = 0;
3030 LIST_FOR_EACH_POP (pkt_node, list_node, &packets) {
3033 ret = ofproto_dpif_send_packet(pkt_node->port, pkt_node->pkt);
3034 dp_packet_delete(pkt_node->pkt);
3044 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3045 VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
3046 "packets, last error was: %s",
3047 bundle->name, n_errors, n_packets, ovs_strerror(error));
3049 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3050 bundle->name, n_packets);
3055 bundle_run(struct ofbundle *bundle)
3058 lacp_run(bundle->lacp, send_pdu_cb);
3061 struct ofport_dpif *port;
3063 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
3064 bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
3067 if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
3068 bundle->ofproto->backer->need_revalidate = REV_BOND;
3071 if (bond_should_send_learning_packets(bundle->bond)) {
3072 bundle_send_learning_packets(bundle);
3078 bundle_wait(struct ofbundle *bundle)
3081 lacp_wait(bundle->lacp);
3084 bond_wait(bundle->bond);
3091 mirror_set__(struct ofproto *ofproto_, void *aux,
3092 const struct ofproto_mirror_settings *s)
3094 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3095 struct ofbundle **srcs, **dsts;
3100 mirror_destroy(ofproto->mbridge, aux);
3104 srcs = xmalloc(s->n_srcs * sizeof *srcs);
3105 dsts = xmalloc(s->n_dsts * sizeof *dsts);
3107 for (i = 0; i < s->n_srcs; i++) {
3108 srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
3111 for (i = 0; i < s->n_dsts; i++) {
3112 dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
3115 error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
3116 s->n_dsts, s->src_vlans,
3117 bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
3124 mirror_get_stats__(struct ofproto *ofproto, void *aux,
3125 uint64_t *packets, uint64_t *bytes)
3127 return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
3132 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
3134 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3135 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3136 if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
3137 mac_learning_flush(ofproto->ml);
3139 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3144 is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
3146 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3147 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3148 return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
3152 forward_bpdu_changed(struct ofproto *ofproto_)
3154 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3155 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3159 set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
3162 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3163 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3164 mac_learning_set_idle_time(ofproto->ml, idle_time);
3165 mac_learning_set_max_entries(ofproto->ml, max_entries);
3166 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3169 /* Configures multicast snooping on 'ofport' using the settings
3170 * defined in 's'. */
3172 set_mcast_snooping(struct ofproto *ofproto_,
3173 const struct ofproto_mcast_snooping_settings *s)
3175 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3177 /* Only revalidate flows if the configuration changed. */
3178 if (!s != !ofproto->ms) {
3179 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3184 ofproto->ms = mcast_snooping_create();
3187 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3188 mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
3189 mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
3190 if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
3191 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3193 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3195 mcast_snooping_unref(ofproto->ms);
3202 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3204 set_mcast_snooping_port(struct ofproto *ofproto_, void *aux,
3205 const struct ofproto_mcast_snooping_port_settings *s)
3207 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3208 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3210 if (ofproto->ms && s) {
3211 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3212 mcast_snooping_set_port_flood(ofproto->ms, bundle, s->flood);
3213 mcast_snooping_set_port_flood_reports(ofproto->ms, bundle,
3215 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3223 struct ofport_dpif *
3224 ofp_port_to_ofport(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
3226 struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port);
3227 return ofport ? ofport_dpif_cast(ofport) : NULL;
3231 ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto,
3232 struct ofproto_port *ofproto_port,
3233 struct dpif_port *dpif_port)
3235 ofproto_port->name = dpif_port->name;
3236 ofproto_port->type = dpif_port->type;
3237 ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
3241 ofport_update_peer(struct ofport_dpif *ofport)
3243 const struct ofproto_dpif *ofproto;
3244 struct dpif_backer *backer;
3247 if (!netdev_vport_is_patch(ofport->up.netdev)) {
3251 backer = ofproto_dpif_cast(ofport->up.ofproto)->backer;
3252 backer->need_revalidate = REV_RECONFIGURE;
3255 ofport->peer->peer = NULL;
3256 ofport->peer = NULL;
3259 peer_name = netdev_vport_patch_peer(ofport->up.netdev);
3264 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
3265 struct ofport *peer_ofport;
3266 struct ofport_dpif *peer;
3269 if (ofproto->backer != backer) {
3273 peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name);
3278 peer = ofport_dpif_cast(peer_ofport);
3279 peer_peer = netdev_vport_patch_peer(peer->up.netdev);
3280 if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev),
3282 ofport->peer = peer;
3283 ofport->peer->peer = ofport;
3293 port_run(struct ofport_dpif *ofport)
3295 long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev);
3296 bool carrier_changed = carrier_seq != ofport->carrier_seq;
3297 bool enable = netdev_get_carrier(ofport->up.netdev);
3298 bool cfm_enable = false;
3299 bool bfd_enable = false;
3301 ofport->carrier_seq = carrier_seq;
3304 int cfm_opup = cfm_get_opup(ofport->cfm);
3306 cfm_enable = !cfm_get_fault(ofport->cfm);
3308 if (cfm_opup >= 0) {
3309 cfm_enable = cfm_enable && cfm_opup;
3314 bfd_enable = bfd_forwarding(ofport->bfd);
3317 if (ofport->bfd || ofport->cfm) {
3318 enable = enable && (cfm_enable || bfd_enable);
3321 if (ofport->bundle) {
3322 enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
3323 if (carrier_changed) {
3324 lacp_slave_carrier_changed(ofport->bundle->lacp, ofport);
3328 if (ofport->may_enable != enable) {
3329 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3331 ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
3333 if (ofport->rstp_port) {
3334 rstp_port_set_mac_operational(ofport->rstp_port, enable);
3338 ofport->may_enable = enable;
3342 port_query_by_name(const struct ofproto *ofproto_, const char *devname,
3343 struct ofproto_port *ofproto_port)
3345 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3346 struct dpif_port dpif_port;
3349 if (sset_contains(&ofproto->ghost_ports, devname)) {
3350 const char *type = netdev_get_type_from_name(devname);
3352 /* We may be called before ofproto->up.port_by_name is populated with
3353 * the appropriate ofport. For this reason, we must get the name and
3354 * type from the netdev layer directly. */
3356 const struct ofport *ofport;
3358 ofport = shash_find_data(&ofproto->up.port_by_name, devname);
3359 ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
3360 ofproto_port->name = xstrdup(devname);
3361 ofproto_port->type = xstrdup(type);
3367 if (!sset_contains(&ofproto->ports, devname)) {
3370 error = dpif_port_query_by_name(ofproto->backer->dpif,
3371 devname, &dpif_port);
3373 ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port);
3379 port_add(struct ofproto *ofproto_, struct netdev *netdev)
3381 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3382 const char *devname = netdev_get_name(netdev);
3383 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
3384 const char *dp_port_name;
3386 if (netdev_vport_is_patch(netdev)) {
3387 sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
3391 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
3392 if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
3393 odp_port_t port_no = ODPP_NONE;
3396 error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
3400 if (netdev_get_tunnel_config(netdev)) {
3401 simap_put(&ofproto->backer->tnl_backers,
3402 dp_port_name, odp_to_u32(port_no));
3406 if (netdev_get_tunnel_config(netdev)) {
3407 sset_add(&ofproto->ghost_ports, devname);
3409 sset_add(&ofproto->ports, devname);
3415 port_del(struct ofproto *ofproto_, ofp_port_t ofp_port)
3417 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3418 struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
3425 sset_find_and_delete(&ofproto->ghost_ports,
3426 netdev_get_name(ofport->up.netdev));
3427 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3428 if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) {
3429 error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
3431 /* The caller is going to close ofport->up.netdev. If this is a
3432 * bonded port, then the bond is using that netdev, so remove it
3433 * from the bond. The client will need to reconfigure everything
3434 * after deleting ports, so then the slave will get re-added. */
3435 bundle_remove(&ofport->up);
3442 port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
3444 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3447 error = netdev_get_stats(ofport->up.netdev, stats);
3449 if (!error && ofport_->ofp_port == OFPP_LOCAL) {
3450 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3452 ovs_mutex_lock(&ofproto->stats_mutex);
3453 /* ofproto->stats.tx_packets represents packets that we created
3454 * internally and sent to some port (e.g. packets sent with
3455 * ofproto_dpif_send_packet()). Account for them as if they had
3456 * come from OFPP_LOCAL and got forwarded. */
3458 if (stats->rx_packets != UINT64_MAX) {
3459 stats->rx_packets += ofproto->stats.tx_packets;
3462 if (stats->rx_bytes != UINT64_MAX) {
3463 stats->rx_bytes += ofproto->stats.tx_bytes;
3466 /* ofproto->stats.rx_packets represents packets that were received on
3467 * some port and we processed internally and dropped (e.g. STP).
3468 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3470 if (stats->tx_packets != UINT64_MAX) {
3471 stats->tx_packets += ofproto->stats.rx_packets;
3474 if (stats->tx_bytes != UINT64_MAX) {
3475 stats->tx_bytes += ofproto->stats.rx_bytes;
3477 ovs_mutex_unlock(&ofproto->stats_mutex);
3484 port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats)
3486 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3487 if (ofport->bundle && ofport->bundle->lacp) {
3488 if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) {
3495 struct port_dump_state {
3500 struct ofproto_port port;
3505 port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
3507 *statep = xzalloc(sizeof(struct port_dump_state));
3512 port_dump_next(const struct ofproto *ofproto_, void *state_,
3513 struct ofproto_port *port)
3515 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3516 struct port_dump_state *state = state_;
3517 const struct sset *sset;
3518 struct sset_node *node;
3520 if (state->has_port) {
3521 ofproto_port_destroy(&state->port);
3522 state->has_port = false;
3524 sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
3525 while ((node = sset_at_position(sset, &state->bucket, &state->offset))) {
3528 error = port_query_by_name(ofproto_, node->name, &state->port);
3530 *port = state->port;
3531 state->has_port = true;
3533 } else if (error != ENODEV) {
3538 if (!state->ghost) {
3539 state->ghost = true;
3542 return port_dump_next(ofproto_, state_, port);
3549 port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_)
3551 struct port_dump_state *state = state_;
3553 if (state->has_port) {
3554 ofproto_port_destroy(&state->port);
3561 port_poll(const struct ofproto *ofproto_, char **devnamep)
3563 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3565 if (ofproto->port_poll_errno) {
3566 int error = ofproto->port_poll_errno;
3567 ofproto->port_poll_errno = 0;
3571 if (sset_is_empty(&ofproto->port_poll_set)) {
3575 *devnamep = sset_pop(&ofproto->port_poll_set);
3580 port_poll_wait(const struct ofproto *ofproto_)
3582 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3583 dpif_port_poll_wait(ofproto->backer->dpif);
3587 port_is_lacp_current(const struct ofport *ofport_)
3589 const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3590 return (ofport->bundle && ofport->bundle->lacp
3591 ? lacp_slave_is_current(ofport->bundle->lacp, ofport)
3595 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3596 * then delete it entirely. */
3598 rule_expire(struct rule_dpif *rule)
3599 OVS_REQUIRES(ofproto_mutex)
3601 uint16_t hard_timeout, idle_timeout;
3602 long long int now = time_msec();
3605 hard_timeout = rule->up.hard_timeout;
3606 idle_timeout = rule->up.idle_timeout;
3608 /* Has 'rule' expired? */
3610 long long int modified;
3612 ovs_mutex_lock(&rule->up.mutex);
3613 modified = rule->up.modified;
3614 ovs_mutex_unlock(&rule->up.mutex);
3616 if (now > modified + hard_timeout * 1000) {
3617 reason = OFPRR_HARD_TIMEOUT;
3621 if (reason < 0 && idle_timeout) {
3624 ovs_mutex_lock(&rule->stats_mutex);
3625 used = rule->stats.used;
3626 ovs_mutex_unlock(&rule->stats_mutex);
3628 if (now > used + idle_timeout * 1000) {
3629 reason = OFPRR_IDLE_TIMEOUT;
3634 COVERAGE_INC(ofproto_dpif_expired);
3635 ofproto_rule_expire(&rule->up, reason);
3639 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3640 * 'flow' must reflect the data in 'packet'. */
3642 ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
3643 const struct flow *flow,
3644 struct rule_dpif *rule,
3645 const struct ofpact *ofpacts, size_t ofpacts_len,
3646 struct dp_packet *packet)
3648 struct dpif_flow_stats stats;
3649 struct xlate_out xout;
3650 struct xlate_in xin;
3652 struct dpif_execute execute;
3655 ovs_assert((rule != NULL) != (ofpacts != NULL));
3657 dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
3660 rule_dpif_credit_stats(rule, &stats);
3663 uint64_t odp_actions_stub[1024 / 8];
3664 struct ofpbuf odp_actions = OFPBUF_STUB_INITIALIZER(odp_actions_stub);
3665 xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
3666 stats.tcp_flags, packet, NULL, &odp_actions);
3667 xin.ofpacts = ofpacts;
3668 xin.ofpacts_len = ofpacts_len;
3669 xin.resubmit_stats = &stats;
3670 xlate_actions(&xin, &xout);
3672 execute.actions = odp_actions.data;
3673 execute.actions_len = odp_actions.size;
3675 pkt_metadata_from_flow(&packet->md, flow);
3676 execute.packet = packet;
3677 execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
3678 execute.probe = false;
3680 /* Fix up in_port. */
3681 in_port = flow->in_port.ofp_port;
3682 if (in_port == OFPP_NONE) {
3683 in_port = OFPP_LOCAL;
3685 execute.packet->md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
3687 error = dpif_execute(ofproto->backer->dpif, &execute);
3689 xlate_out_uninit(&xout);
3690 ofpbuf_uninit(&odp_actions);
3696 rule_dpif_credit_stats(struct rule_dpif *rule,
3697 const struct dpif_flow_stats *stats)
3699 ovs_mutex_lock(&rule->stats_mutex);
3700 if (OVS_UNLIKELY(rule->new_rule)) {
3701 rule_dpif_credit_stats(rule->new_rule, stats);
3703 rule->stats.n_packets += stats->n_packets;
3704 rule->stats.n_bytes += stats->n_bytes;
3705 rule->stats.used = MAX(rule->stats.used, stats->used);
3707 ovs_mutex_unlock(&rule->stats_mutex);
3711 rule_dpif_get_flow_cookie(const struct rule_dpif *rule)
3712 OVS_REQUIRES(rule->up.mutex)
3714 return rule->up.flow_cookie;
3718 rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout,
3719 uint16_t hard_timeout)
3721 ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
3724 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3725 * be read until the calling thread quiesces. */
3726 const struct rule_actions *
3727 rule_dpif_get_actions(const struct rule_dpif *rule)
3729 return rule_get_actions(&rule->up);
3732 /* Sets 'rule''s recirculation id. */
3734 rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
3735 OVS_REQUIRES(rule->up.mutex)
3737 ovs_assert(!rule->recirc_id || rule->recirc_id == id);
3738 if (rule->recirc_id == id) {
3739 /* Release the new reference to the same id. */
3742 rule->recirc_id = id;
3746 /* Sets 'rule''s recirculation id. */
3748 rule_set_recirc_id(struct rule *rule_, uint32_t id)
3750 struct rule_dpif *rule = rule_dpif_cast(rule_);
3752 ovs_mutex_lock(&rule->up.mutex);
3753 rule_dpif_set_recirc_id(rule, id);
3754 ovs_mutex_unlock(&rule->up.mutex);
3758 ofproto_dpif_get_tables_version(struct ofproto_dpif *ofproto OVS_UNUSED)
3760 cls_version_t version;
3762 atomic_read_relaxed(&ofproto->tables_version, &version);
3767 /* The returned rule (if any) is valid at least until the next RCU quiescent
3768 * period. If the rule needs to stay around longer, the caller should take
3771 * 'flow' is non-const to allow for temporary modifications during the lookup.
3772 * Any changes are restored before returning. */
3773 static struct rule_dpif *
3774 rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, cls_version_t version,
3775 uint8_t table_id, struct flow *flow,
3776 struct flow_wildcards *wc)
3778 struct classifier *cls = &ofproto->up.tables[table_id].cls;
3779 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls, version,
3783 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
3784 * table '*table_id'. Returns the rule that was found, which may be one of the
3785 * special rules according to packet miss hadling. If 'may_packet_in' is
3786 * false, returning of the miss_rule (which issues packet ins for the
3787 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
3788 * that were used during the lookup.
3790 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3791 * if none is found then the table miss configuration for that table is
3792 * honored, which can result in additional lookups in other OpenFlow tables.
3793 * In this case the function updates '*table_id' to reflect the final OpenFlow
3794 * table that was searched.
3796 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3799 * The rule is returned in '*rule', which is valid at least until the next
3800 * RCU quiescent period. If the '*rule' needs to stay around longer, the
3801 * caller must take a reference.
3803 * 'in_port' allows the lookup to take place as if the in port had the value
3804 * 'in_port'. This is needed for resubmit action support.
3806 * 'flow' is non-const to allow for temporary modifications during the lookup.
3807 * Any changes are restored before returning. */
3809 rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto,
3810 cls_version_t version, struct flow *flow,
3811 struct flow_wildcards *wc,
3812 const struct dpif_flow_stats *stats,
3813 uint8_t *table_id, ofp_port_t in_port,
3814 bool may_packet_in, bool honor_table_miss)
3816 ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst;
3817 ofp_port_t old_in_port = flow->in_port.ofp_port;
3818 enum ofputil_table_miss miss_config;
3819 struct rule_dpif *rule;
3822 /* We always unwildcard nw_frag (for IP), so they
3823 * need not be unwildcarded here. */
3824 if (flow->nw_frag & FLOW_NW_FRAG_ANY
3825 && ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
3826 if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
3827 /* We must pretend that transport ports are unavailable. */
3828 flow->tp_src = htons(0);
3829 flow->tp_dst = htons(0);
3831 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3832 * Use the drop_frags_rule (which cannot disappear). */
3833 rule = ofproto->drop_frags_rule;
3835 struct oftable *tbl = &ofproto->up.tables[*table_id];
3838 atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig);
3844 /* Look up a flow with 'in_port' as the input port. Then restore the
3845 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3846 * have surprising behavior). */
3847 flow->in_port.ofp_port = in_port;
3849 /* Our current implementation depends on n_tables == N_TABLES, and
3850 * TBL_INTERNAL being the last table. */
3851 BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1);
3853 miss_config = OFPUTIL_TABLE_MISS_CONTINUE;
3855 for (next_id = *table_id;
3856 next_id < ofproto->up.n_tables;
3857 next_id++, next_id += (next_id == TBL_INTERNAL))
3859 *table_id = next_id;
3860 rule = rule_dpif_lookup_in_table(ofproto, version, next_id, flow, wc);
3862 struct oftable *tbl = &ofproto->up.tables[next_id];
3865 atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed,
3866 stats->n_packets, &orig);
3869 goto out; /* Match. */
3871 if (honor_table_miss) {
3872 miss_config = ofproto_table_get_miss_config(&ofproto->up,
3874 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) {
3881 rule = ofproto->no_packet_in_rule;
3882 if (may_packet_in) {
3883 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE
3884 || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) {
3885 struct ofport_dpif *port;
3887 port = ofp_port_to_ofport(ofproto, old_in_port);
3889 VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
3891 } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) {
3892 rule = ofproto->miss_rule;
3894 } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT &&
3895 connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
3896 rule = ofproto->miss_rule;
3900 /* Restore port numbers, as they may have been modified above. */
3901 flow->tp_src = old_tp_src;
3902 flow->tp_dst = old_tp_dst;
3903 /* Restore the old in port. */
3904 flow->in_port.ofp_port = old_in_port;
3910 complete_operation(struct rule_dpif *rule)
3911 OVS_REQUIRES(ofproto_mutex)
3913 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3915 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
3918 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
3920 return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL;
3923 static struct rule *
3926 struct rule_dpif *rule = xzalloc(sizeof *rule);
3931 rule_dealloc(struct rule *rule_)
3933 struct rule_dpif *rule = rule_dpif_cast(rule_);
3938 rule_construct(struct rule *rule_)
3939 OVS_NO_THREAD_SAFETY_ANALYSIS
3941 struct rule_dpif *rule = rule_dpif_cast(rule_);
3942 ovs_mutex_init_adaptive(&rule->stats_mutex);
3943 rule->stats.n_packets = 0;
3944 rule->stats.n_bytes = 0;
3945 rule->stats.used = rule->up.modified;
3946 rule->recirc_id = 0;
3947 rule->new_rule = NULL;
3953 rule_insert(struct rule *rule_, struct rule *old_rule_, bool forward_stats)
3954 OVS_REQUIRES(ofproto_mutex)
3956 struct rule_dpif *rule = rule_dpif_cast(rule_);
3958 if (old_rule_ && forward_stats) {
3959 struct rule_dpif *old_rule = rule_dpif_cast(old_rule_);
3961 ovs_assert(!old_rule->new_rule);
3963 /* Take a reference to the new rule, and refer all stats updates from
3964 * the old rule to the new rule. */
3965 rule_dpif_ref(rule);
3967 ovs_mutex_lock(&old_rule->stats_mutex);
3968 ovs_mutex_lock(&rule->stats_mutex);
3969 old_rule->new_rule = rule; /* Forward future stats. */
3970 rule->stats = old_rule->stats; /* Transfer stats to the new rule. */
3971 ovs_mutex_unlock(&rule->stats_mutex);
3972 ovs_mutex_unlock(&old_rule->stats_mutex);
3975 complete_operation(rule);
3979 rule_delete(struct rule *rule_)
3980 OVS_REQUIRES(ofproto_mutex)
3982 struct rule_dpif *rule = rule_dpif_cast(rule_);
3983 complete_operation(rule);
3987 rule_destruct(struct rule *rule_)
3988 OVS_NO_THREAD_SAFETY_ANALYSIS
3990 struct rule_dpif *rule = rule_dpif_cast(rule_);
3992 ovs_mutex_destroy(&rule->stats_mutex);
3993 /* Release reference to the new rule, if any. */
3994 if (rule->new_rule) {
3995 rule_dpif_unref(rule->new_rule);
3997 if (rule->recirc_id) {
3998 recirc_free_id(rule->recirc_id);
4003 rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes,
4004 long long int *used)
4006 struct rule_dpif *rule = rule_dpif_cast(rule_);
4008 ovs_mutex_lock(&rule->stats_mutex);
4009 if (OVS_UNLIKELY(rule->new_rule)) {
4010 rule_get_stats(&rule->new_rule->up, packets, bytes, used);
4012 *packets = rule->stats.n_packets;
4013 *bytes = rule->stats.n_bytes;
4014 *used = rule->stats.used;
4016 ovs_mutex_unlock(&rule->stats_mutex);
4020 rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
4021 struct dp_packet *packet)
4023 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
4025 ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet);
4029 rule_execute(struct rule *rule, const struct flow *flow,
4030 struct dp_packet *packet)
4032 rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
4033 dp_packet_delete(packet);
4037 static struct group_dpif *group_dpif_cast(const struct ofgroup *group)
4039 return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL;
4042 static struct ofgroup *
4045 struct group_dpif *group = xzalloc(sizeof *group);
4050 group_dealloc(struct ofgroup *group_)
4052 struct group_dpif *group = group_dpif_cast(group_);
4057 group_construct_stats(struct group_dpif *group)
4058 OVS_REQUIRES(group->stats_mutex)
4060 struct ofputil_bucket *bucket;
4061 const struct ovs_list *buckets;
4063 group->packet_count = 0;
4064 group->byte_count = 0;
4066 group_dpif_get_buckets(group, &buckets);
4067 LIST_FOR_EACH (bucket, list_node, buckets) {
4068 bucket->stats.packet_count = 0;
4069 bucket->stats.byte_count = 0;
4074 group_dpif_credit_stats(struct group_dpif *group,
4075 struct ofputil_bucket *bucket,
4076 const struct dpif_flow_stats *stats)
4078 ovs_mutex_lock(&group->stats_mutex);
4079 group->packet_count += stats->n_packets;
4080 group->byte_count += stats->n_bytes;
4082 bucket->stats.packet_count += stats->n_packets;
4083 bucket->stats.byte_count += stats->n_bytes;
4084 } else { /* Credit to all buckets */
4085 const struct ovs_list *buckets;
4087 group_dpif_get_buckets(group, &buckets);
4088 LIST_FOR_EACH (bucket, list_node, buckets) {
4089 bucket->stats.packet_count += stats->n_packets;
4090 bucket->stats.byte_count += stats->n_bytes;
4093 ovs_mutex_unlock(&group->stats_mutex);
4097 group_construct(struct ofgroup *group_)
4099 struct group_dpif *group = group_dpif_cast(group_);
4101 ovs_mutex_init_adaptive(&group->stats_mutex);
4102 ovs_mutex_lock(&group->stats_mutex);
4103 group_construct_stats(group);
4104 ovs_mutex_unlock(&group->stats_mutex);
4109 group_destruct(struct ofgroup *group_)
4111 struct group_dpif *group = group_dpif_cast(group_);
4112 ovs_mutex_destroy(&group->stats_mutex);
4116 group_modify(struct ofgroup *group_)
4118 struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto);
4120 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
4126 group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs)
4128 struct group_dpif *group = group_dpif_cast(group_);
4129 struct ofputil_bucket *bucket;
4130 const struct ovs_list *buckets;
4131 struct bucket_counter *bucket_stats;
4133 ovs_mutex_lock(&group->stats_mutex);
4134 ogs->packet_count = group->packet_count;
4135 ogs->byte_count = group->byte_count;
4137 group_dpif_get_buckets(group, &buckets);
4138 bucket_stats = ogs->bucket_stats;
4139 LIST_FOR_EACH (bucket, list_node, buckets) {
4140 bucket_stats->packet_count = bucket->stats.packet_count;
4141 bucket_stats->byte_count = bucket->stats.byte_count;
4144 ovs_mutex_unlock(&group->stats_mutex);
4149 /* If the group exists, this function increments the groups's reference count.
4151 * Make sure to call group_dpif_unref() after no longer needing to maintain
4152 * a reference to the group. */
4154 group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id,
4155 struct group_dpif **group)
4157 struct ofgroup *ofgroup;
4160 found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup);
4161 *group = found ? group_dpif_cast(ofgroup) : NULL;
4167 group_dpif_get_buckets(const struct group_dpif *group,
4168 const struct ovs_list **buckets)
4170 *buckets = &group->up.buckets;
4173 enum ofp11_group_type
4174 group_dpif_get_type(const struct group_dpif *group)
4176 return group->up.type;
4180 group_dpif_get_selection_method(const struct group_dpif *group)
4182 return group->up.props.selection_method;
4185 /* Sends 'packet' out 'ofport'.
4186 * May modify 'packet'.
4187 * Returns 0 if successful, otherwise a positive errno value. */
4189 ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct dp_packet *packet)
4191 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
4194 error = xlate_send_packet(ofport, packet);
4196 ovs_mutex_lock(&ofproto->stats_mutex);
4197 ofproto->stats.tx_packets++;
4198 ofproto->stats.tx_bytes += dp_packet_size(packet);
4199 ovs_mutex_unlock(&ofproto->stats_mutex);
4204 group_dpif_get_selection_method_param(const struct group_dpif *group)
4206 return group->up.props.selection_method_param;
4209 const struct field_array *
4210 group_dpif_get_fields(const struct group_dpif *group)
4212 return &group->up.props.fields;
4215 /* Return the version string of the datapath that backs up
4219 get_datapath_version(const struct ofproto *ofproto_)
4221 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4223 return ofproto->backer->dp_version_string;
4227 set_frag_handling(struct ofproto *ofproto_,
4228 enum ofp_config_flags frag_handling)
4230 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4231 if (frag_handling != OFPC_FRAG_REASM) {
4232 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4240 packet_out(struct ofproto *ofproto_, struct dp_packet *packet,
4241 const struct flow *flow,
4242 const struct ofpact *ofpacts, size_t ofpacts_len)
4244 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4246 ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts,
4247 ofpacts_len, packet);
4254 set_netflow(struct ofproto *ofproto_,
4255 const struct netflow_options *netflow_options)
4257 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4259 if (netflow_options) {
4260 if (!ofproto->netflow) {
4261 ofproto->netflow = netflow_create();
4262 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4264 return netflow_set_options(ofproto->netflow, netflow_options);
4265 } else if (ofproto->netflow) {
4266 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4267 netflow_unref(ofproto->netflow);
4268 ofproto->netflow = NULL;
4275 get_netflow_ids(const struct ofproto *ofproto_,
4276 uint8_t *engine_type, uint8_t *engine_id)
4278 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4280 dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id);
4283 static struct ofproto_dpif *
4284 ofproto_dpif_lookup(const char *name)
4286 struct ofproto_dpif *ofproto;
4288 HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
4289 hash_string(name, 0), &all_ofproto_dpifs) {
4290 if (!strcmp(ofproto->up.name, name)) {
4298 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
4299 const char *argv[], void *aux OVS_UNUSED)
4301 struct ofproto_dpif *ofproto;
4304 ofproto = ofproto_dpif_lookup(argv[1]);
4306 unixctl_command_reply_error(conn, "no such bridge");
4309 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4310 mac_learning_flush(ofproto->ml);
4311 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4313 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4314 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4315 mac_learning_flush(ofproto->ml);
4316 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4320 unixctl_command_reply(conn, "table successfully flushed");
4324 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
4325 const char *argv[], void *aux OVS_UNUSED)
4327 struct ofproto_dpif *ofproto;
4330 ofproto = ofproto_dpif_lookup(argv[1]);
4332 unixctl_command_reply_error(conn, "no such bridge");
4336 if (!mcast_snooping_enabled(ofproto->ms)) {
4337 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4340 mcast_snooping_mdb_flush(ofproto->ms);
4342 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4343 if (!mcast_snooping_enabled(ofproto->ms)) {
4346 mcast_snooping_mdb_flush(ofproto->ms);
4350 unixctl_command_reply(conn, "table successfully flushed");
4353 static struct ofport_dpif *
4354 ofbundle_get_a_port(const struct ofbundle *bundle)
4356 return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif,
4361 ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4362 const char *argv[], void *aux OVS_UNUSED)
4364 struct ds ds = DS_EMPTY_INITIALIZER;
4365 const struct ofproto_dpif *ofproto;
4366 const struct mac_entry *e;
4368 ofproto = ofproto_dpif_lookup(argv[1]);
4370 unixctl_command_reply_error(conn, "no such bridge");
4374 ds_put_cstr(&ds, " port VLAN MAC Age\n");
4375 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
4376 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
4377 struct ofbundle *bundle = mac_entry_get_port(ofproto->ml, e);
4378 char name[OFP_MAX_PORT_NAME_LEN];
4380 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4382 ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n",
4383 name, e->vlan, ETH_ADDR_ARGS(e->mac),
4384 mac_entry_age(ofproto->ml, e));
4386 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4387 unixctl_command_reply(conn, ds_cstr(&ds));
4392 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
4393 int argc OVS_UNUSED,
4395 void *aux OVS_UNUSED)
4397 struct ds ds = DS_EMPTY_INITIALIZER;
4398 const struct ofproto_dpif *ofproto;
4399 const struct ofbundle *bundle;
4400 const struct mcast_group *grp;
4401 struct mcast_group_bundle *b;
4402 struct mcast_mrouter_bundle *mrouter;
4404 ofproto = ofproto_dpif_lookup(argv[1]);
4406 unixctl_command_reply_error(conn, "no such bridge");
4410 if (!mcast_snooping_enabled(ofproto->ms)) {
4411 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4415 ds_put_cstr(&ds, " port VLAN GROUP Age\n");
4416 ovs_rwlock_rdlock(&ofproto->ms->rwlock);
4417 LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
4418 LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
4419 char name[OFP_MAX_PORT_NAME_LEN];
4422 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4424 ds_put_format(&ds, "%5s %4d ", name, grp->vlan);
4425 print_ipv6_mapped(&ds, &grp->addr);
4426 ds_put_format(&ds, " %3d\n",
4427 mcast_bundle_age(ofproto->ms, b));
4431 /* ports connected to multicast routers */
4432 LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
4433 char name[OFP_MAX_PORT_NAME_LEN];
4435 bundle = mrouter->port;
4436 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4438 ds_put_format(&ds, "%5s %4d querier %3d\n",
4439 name, mrouter->vlan,
4440 mcast_mrouter_age(ofproto->ms, mrouter));
4442 ovs_rwlock_unlock(&ofproto->ms->rwlock);
4443 unixctl_command_reply(conn, ds_cstr(&ds));
4448 struct xlate_out xout;
4449 struct xlate_in xin;
4450 const struct flow *key;
4453 struct flow_wildcards wc;
4454 struct ofpbuf odp_actions;
4458 trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule)
4460 const struct rule_actions *actions;
4463 ds_put_char_multiple(result, '\t', level);
4465 ds_put_cstr(result, "No match\n");
4469 ovs_mutex_lock(&rule->up.mutex);
4470 cookie = rule->up.flow_cookie;
4471 ovs_mutex_unlock(&rule->up.mutex);
4473 ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ",
4474 rule ? rule->up.table_id : 0, ntohll(cookie));
4475 cls_rule_format(&rule->up.cr, result);
4476 ds_put_char(result, '\n');
4478 actions = rule_dpif_get_actions(rule);
4480 ds_put_char_multiple(result, '\t', level);
4481 ds_put_cstr(result, "OpenFlow actions=");
4482 ofpacts_format(actions->ofpacts, actions->ofpacts_len, result);
4483 ds_put_char(result, '\n');
4487 trace_format_flow(struct ds *result, int level, const char *title,
4488 struct trace_ctx *trace)
4490 ds_put_char_multiple(result, '\t', level);
4491 ds_put_format(result, "%s: ", title);
4492 /* Do not report unchanged flows for resubmits. */
4493 if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow))
4494 || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) {
4495 ds_put_cstr(result, "unchanged");
4497 flow_format(result, &trace->xin.flow);
4498 trace->flow = trace->xin.flow;
4500 ds_put_char(result, '\n');
4504 trace_format_regs(struct ds *result, int level, const char *title,
4505 struct trace_ctx *trace)
4509 ds_put_char_multiple(result, '\t', level);
4510 ds_put_format(result, "%s:", title);
4511 for (i = 0; i < FLOW_N_REGS; i++) {
4512 ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
4514 ds_put_char(result, '\n');
4518 trace_format_odp(struct ds *result, int level, const char *title,
4519 struct trace_ctx *trace)
4521 struct ofpbuf *odp_actions = &trace->odp_actions;
4523 ds_put_char_multiple(result, '\t', level);
4524 ds_put_format(result, "%s: ", title);
4525 format_odp_actions(result, odp_actions->data, odp_actions->size);
4526 ds_put_char(result, '\n');
4530 trace_format_megaflow(struct ds *result, int level, const char *title,
4531 struct trace_ctx *trace)
4535 ds_put_char_multiple(result, '\t', level);
4536 ds_put_format(result, "%s: ", title);
4537 match_init(&match, trace->key, &trace->wc);
4538 match_format(&match, result, OFP_DEFAULT_PRIORITY);
4539 ds_put_char(result, '\n');
4542 static void trace_report(struct xlate_in *, int recurse,
4543 const char *format, ...)
4544 OVS_PRINTF_FORMAT(3, 4);
4545 static void trace_report_valist(struct xlate_in *, int recurse,
4546 const char *format, va_list args)
4547 OVS_PRINTF_FORMAT(3, 0);
4550 trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse)
4552 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4553 struct ds *result = trace->result;
4556 if (rule == xin->ofproto->miss_rule) {
4557 trace_report(xin, recurse,
4558 "No match, flow generates \"packet in\"s.");
4559 } else if (rule == xin->ofproto->no_packet_in_rule) {
4560 trace_report(xin, recurse, "No match, packets dropped because "
4561 "OFPPC_NO_PACKET_IN is set on in_port.");
4562 } else if (rule == xin->ofproto->drop_frags_rule) {
4563 trace_report(xin, recurse, "Packets dropped because they are IP "
4564 "fragments and the fragment handling mode is "
4569 ds_put_char(result, '\n');
4571 trace_format_flow(result, recurse, "Resubmitted flow", trace);
4572 trace_format_regs(result, recurse, "Resubmitted regs", trace);
4573 trace_format_odp(result, recurse, "Resubmitted odp", trace);
4574 trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace);
4576 trace_format_rule(result, recurse, rule);
4580 trace_report_valist(struct xlate_in *xin, int recurse,
4581 const char *format, va_list args)
4583 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4584 struct ds *result = trace->result;
4586 ds_put_char_multiple(result, '\t', recurse);
4587 ds_put_format_valist(result, format, args);
4588 ds_put_char(result, '\n');
4592 trace_report(struct xlate_in *xin, int recurse, const char *format, ...)
4596 va_start(args, format);
4597 trace_report_valist(xin, recurse, format, args);
4601 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4602 * forms are supported:
4604 * - [dpname] odp_flow [-generate | packet]
4605 * - bridge br_flow [-generate | packet]
4607 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4608 * returns a nonnull malloced error message. */
4609 static char * OVS_WARN_UNUSED_RESULT
4610 parse_flow_and_packet(int argc, const char *argv[],
4611 struct ofproto_dpif **ofprotop, struct flow *flow,
4612 struct dp_packet **packetp)
4614 const struct dpif_backer *backer = NULL;
4615 const char *error = NULL;
4617 struct simap port_names = SIMAP_INITIALIZER(&port_names);
4618 struct dp_packet *packet;
4619 struct ofpbuf odp_key;
4620 struct ofpbuf odp_mask;
4622 ofpbuf_init(&odp_key, 0);
4623 ofpbuf_init(&odp_mask, 0);
4625 /* Handle "-generate" or a hex string as the last argument. */
4626 if (!strcmp(argv[argc - 1], "-generate")) {
4627 packet = dp_packet_new(0);
4630 error = eth_from_hex(argv[argc - 1], &packet);
4633 } else if (argc == 4) {
4634 /* The 3-argument form must end in "-generate' or a hex string. */
4640 /* odp_flow can have its in_port specified as a name instead of port no.
4641 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4642 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4643 * we need to create a simap of name to port no. */
4645 const char *dp_type;
4646 if (!strncmp(argv[1], "ovs-", 4)) {
4647 dp_type = argv[1] + 4;
4651 backer = shash_find_data(&all_dpif_backers, dp_type);
4652 } else if (argc == 2) {
4653 struct shash_node *node;
4654 if (shash_count(&all_dpif_backers) == 1) {
4655 node = shash_first(&all_dpif_backers);
4656 backer = node->data;
4659 error = "Syntax error";
4662 if (backer && backer->dpif) {
4663 struct dpif_port dpif_port;
4664 struct dpif_port_dump port_dump;
4665 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) {
4666 simap_put(&port_names, dpif_port.name,
4667 odp_to_u32(dpif_port.port_no));
4671 /* Parse the flow and determine whether a datapath or
4672 * bridge is specified. If function odp_flow_key_from_string()
4673 * returns 0, the flow is a odp_flow. If function
4674 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4675 if (!odp_flow_from_string(argv[argc - 1], &port_names,
4676 &odp_key, &odp_mask)) {
4678 error = "Cannot find the datapath";
4682 if (odp_flow_key_to_flow(odp_key.data, odp_key.size, flow) == ODP_FIT_ERROR) {
4683 error = "Failed to parse datapath flow key";
4687 *ofprotop = xlate_lookup_ofproto(backer, flow,
4688 &flow->in_port.ofp_port);
4689 if (*ofprotop == NULL) {
4690 error = "Invalid datapath flow";
4694 vsp_adjust_flow(*ofprotop, flow, NULL);
4697 char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
4700 m_err = xasprintf("Bad openflow flow syntax: %s", err);
4705 error = "Must specify bridge name";
4709 *ofprotop = ofproto_dpif_lookup(argv[1]);
4711 error = "Unknown bridge name";
4717 /* Generate a packet, if requested. */
4719 if (!dp_packet_size(packet)) {
4720 flow_compose(packet, flow);
4722 /* Use the metadata from the flow and the packet argument
4723 * to reconstruct the flow. */
4724 pkt_metadata_from_flow(&packet->md, flow);
4725 flow_extract(packet, flow);
4730 if (error && !m_err) {
4731 m_err = xstrdup(error);
4734 dp_packet_delete(packet);
4738 ofpbuf_uninit(&odp_key);
4739 ofpbuf_uninit(&odp_mask);
4740 simap_destroy(&port_names);
4745 ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
4746 void *aux OVS_UNUSED)
4748 struct ofproto_dpif *ofproto;
4749 struct dp_packet *packet;
4753 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4758 ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
4759 unixctl_command_reply(conn, ds_cstr(&result));
4760 ds_destroy(&result);
4761 dp_packet_delete(packet);
4763 unixctl_command_reply_error(conn, error);
4769 ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
4770 const char *argv[], void *aux OVS_UNUSED)
4772 enum ofputil_protocol usable_protocols;
4773 struct ofproto_dpif *ofproto;
4774 bool enforce_consistency;
4775 struct ofpbuf ofpacts;
4776 struct dp_packet *packet;
4781 /* Three kinds of error return values! */
4787 ofpbuf_init(&ofpacts, 0);
4789 /* Parse actions. */
4790 error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
4792 unixctl_command_reply_error(conn, error);
4797 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4798 * consistency between the flow and the actions. With -consistent, we
4799 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4800 if (!strcmp(argv[1], "-consistent")) {
4801 enforce_consistency = true;
4805 enforce_consistency = false;
4808 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4810 unixctl_command_reply_error(conn, error);
4815 /* Do the same checks as handle_packet_out() in ofproto.c.
4817 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4818 * strictly correct because these actions aren't in any table, but it's OK
4819 * because it 'table_id' is used only to check goto_table instructions, but
4820 * packet-outs take a list of actions and therefore it can't include
4823 * We skip the "meter" check here because meter is an instruction, not an
4824 * action, and thus cannot appear in ofpacts. */
4825 in_port = ofp_to_u16(flow.in_port.ofp_port);
4826 if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
4827 unixctl_command_reply_error(conn, "invalid in_port");
4830 if (enforce_consistency) {
4831 retval = ofpacts_check_consistency(ofpacts.data, ofpacts.size,
4832 &flow, u16_to_ofp(ofproto->up.max_ports),
4833 0, 0, usable_protocols);
4835 retval = ofpacts_check(ofpacts.data, ofpacts.size, &flow,
4836 u16_to_ofp(ofproto->up.max_ports), 0, 0,
4842 ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
4843 unixctl_command_reply_error(conn, ds_cstr(&result));
4847 ofproto_trace(ofproto, &flow, packet,
4848 ofpacts.data, ofpacts.size, &result);
4849 unixctl_command_reply(conn, ds_cstr(&result));
4852 ds_destroy(&result);
4853 dp_packet_delete(packet);
4854 ofpbuf_uninit(&ofpacts);
4857 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4858 * description of the results to 'ds'.
4860 * The trace follows a packet with the specified 'flow' through the flow
4861 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4862 * side effects (if it is nonnull then its flow must be 'flow').
4864 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4865 * trace, otherwise the actions are determined by a flow table lookup. */
4867 ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
4868 const struct dp_packet *packet,
4869 const struct ofpact ofpacts[], size_t ofpacts_len,
4872 struct trace_ctx trace;
4874 ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
4875 ds_put_cstr(ds, "Flow: ");
4876 flow_format(ds, flow);
4877 ds_put_char(ds, '\n');
4879 ofpbuf_init(&trace.odp_actions, 0);
4882 trace.key = flow; /* Original flow key, used for megaflow. */
4883 trace.flow = *flow; /* May be modified by actions. */
4884 xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL,
4885 ntohs(flow->tcp_flags), packet, &trace.wc,
4886 &trace.odp_actions);
4887 trace.xin.ofpacts = ofpacts;
4888 trace.xin.ofpacts_len = ofpacts_len;
4889 trace.xin.resubmit_hook = trace_resubmit;
4890 trace.xin.report_hook = trace_report_valist;
4892 xlate_actions(&trace.xin, &trace.xout);
4894 ds_put_char(ds, '\n');
4895 trace_format_flow(ds, 0, "Final flow", &trace);
4896 trace_format_megaflow(ds, 0, "Megaflow", &trace);
4898 ds_put_cstr(ds, "Datapath actions: ");
4899 format_odp_actions(ds, trace.odp_actions.data, trace.odp_actions.size);
4901 if (trace.xout.slow) {
4902 enum slow_path_reason slow;
4904 ds_put_cstr(ds, "\nThis flow is handled by the userspace "
4905 "slow path because it:");
4907 slow = trace.xout.slow;
4909 enum slow_path_reason bit = rightmost_1bit(slow);
4911 ds_put_format(ds, "\n\t- %s.",
4912 slow_path_reason_to_explanation(bit));
4918 xlate_out_uninit(&trace.xout);
4919 ofpbuf_uninit(&trace.odp_actions);
4922 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4923 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4924 * to destroy 'ofproto_shash' and free the returned value. */
4925 static const struct shash_node **
4926 get_ofprotos(struct shash *ofproto_shash)
4928 const struct ofproto_dpif *ofproto;
4930 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4931 char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name);
4932 shash_add_nocopy(ofproto_shash, name, ofproto);
4935 return shash_sort(ofproto_shash);
4939 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED,
4940 const char *argv[] OVS_UNUSED,
4941 void *aux OVS_UNUSED)
4943 struct ds ds = DS_EMPTY_INITIALIZER;
4944 struct shash ofproto_shash;
4945 const struct shash_node **sorted_ofprotos;
4948 shash_init(&ofproto_shash);
4949 sorted_ofprotos = get_ofprotos(&ofproto_shash);
4950 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4951 const struct shash_node *node = sorted_ofprotos[i];
4952 ds_put_format(&ds, "%s\n", node->name);
4955 shash_destroy(&ofproto_shash);
4956 free(sorted_ofprotos);
4958 unixctl_command_reply(conn, ds_cstr(&ds));
4963 dpif_show_backer(const struct dpif_backer *backer, struct ds *ds)
4965 const struct shash_node **ofprotos;
4966 struct dpif_dp_stats dp_stats;
4967 struct shash ofproto_shash;
4970 dpif_get_dp_stats(backer->dpif, &dp_stats);
4972 ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
4973 dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed);
4975 shash_init(&ofproto_shash);
4976 ofprotos = get_ofprotos(&ofproto_shash);
4977 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4978 struct ofproto_dpif *ofproto = ofprotos[i]->data;
4979 const struct shash_node **ports;
4982 if (ofproto->backer != backer) {
4986 ds_put_format(ds, "\t%s:\n", ofproto->up.name);
4988 ports = shash_sort(&ofproto->up.port_by_name);
4989 for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) {
4990 const struct shash_node *node = ports[j];
4991 struct ofport *ofport = node->data;
4993 odp_port_t odp_port;
4995 ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev),
4998 odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
4999 if (odp_port != ODPP_NONE) {
5000 ds_put_format(ds, "%"PRIu32":", odp_port);
5002 ds_put_cstr(ds, "none:");
5005 ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev));
5008 if (!netdev_get_config(ofport->netdev, &config)) {
5009 const struct smap_node **nodes;
5012 nodes = smap_sort(&config);
5013 for (i = 0; i < smap_count(&config); i++) {
5014 const struct smap_node *node = nodes[i];
5015 ds_put_format(ds, "%c %s=%s", i ? ',' : ':',
5016 node->key, node->value);
5020 smap_destroy(&config);
5022 ds_put_char(ds, ')');
5023 ds_put_char(ds, '\n');
5027 shash_destroy(&ofproto_shash);
5032 ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
5033 const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
5035 struct ds ds = DS_EMPTY_INITIALIZER;
5036 const struct shash_node **backers;
5039 backers = shash_sort(&all_dpif_backers);
5040 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5041 dpif_show_backer(backers[i]->data, &ds);
5045 unixctl_command_reply(conn, ds_cstr(&ds));
5050 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
5051 int argc OVS_UNUSED, const char *argv[],
5052 void *aux OVS_UNUSED)
5054 const struct ofproto_dpif *ofproto;
5056 struct ds ds = DS_EMPTY_INITIALIZER;
5057 bool verbosity = false;
5059 struct dpif_port dpif_port;
5060 struct dpif_port_dump port_dump;
5061 struct hmap portno_names;
5063 struct dpif_flow_dump *flow_dump;
5064 struct dpif_flow_dump_thread *flow_dump_thread;
5068 ofproto = ofproto_dpif_lookup(argv[argc - 1]);
5070 unixctl_command_reply_error(conn, "no such bridge");
5074 if (argc > 2 && !strcmp(argv[1], "-m")) {
5078 hmap_init(&portno_names);
5079 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) {
5080 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
5084 flow_dump = dpif_flow_dump_create(ofproto->backer->dpif, false);
5085 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
5086 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
5089 if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
5090 || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
5095 odp_format_ufid(&f.ufid, &ds);
5096 ds_put_cstr(&ds, " ");
5098 odp_flow_format(f.key, f.key_len, f.mask, f.mask_len,
5099 &portno_names, &ds, verbosity);
5100 ds_put_cstr(&ds, ", ");
5101 dpif_flow_stats_format(&f.stats, &ds);
5102 ds_put_cstr(&ds, ", actions:");
5103 format_odp_actions(&ds, f.actions, f.actions_len);
5104 ds_put_char(&ds, '\n');
5106 dpif_flow_dump_thread_destroy(flow_dump_thread);
5107 error = dpif_flow_dump_destroy(flow_dump);
5111 ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno));
5112 unixctl_command_reply_error(conn, ds_cstr(&ds));
5114 unixctl_command_reply(conn, ds_cstr(&ds));
5116 odp_portno_names_destroy(&portno_names);
5117 hmap_destroy(&portno_names);
5122 ofproto_revalidate_all_backers(void)
5124 const struct shash_node **backers;
5127 backers = shash_sort(&all_dpif_backers);
5128 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5129 struct dpif_backer *backer = backers[i]->data;
5130 backer->need_revalidate = REV_RECONFIGURE;
5136 disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
5137 const char *argv[], void *aux OVS_UNUSED)
5139 if (!strcasecmp(argv[1], "off")) {
5140 ofproto_use_tnl_push_pop = false;
5141 unixctl_command_reply(conn, "Tunnel push-pop off");
5142 ofproto_revalidate_all_backers();
5143 } else if (!strcasecmp(argv[1], "on")) {
5144 ofproto_use_tnl_push_pop = true;
5145 unixctl_command_reply(conn, "Tunnel push-pop on");
5146 ofproto_revalidate_all_backers();
5151 ofproto_unixctl_init(void)
5153 static bool registered;
5159 unixctl_command_register(
5161 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5162 1, 3, ofproto_unixctl_trace, NULL);
5163 unixctl_command_register(
5164 "ofproto/trace-packet-out",
5165 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5166 2, 6, ofproto_unixctl_trace_actions, NULL);
5167 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5168 ofproto_unixctl_fdb_flush, NULL);
5169 unixctl_command_register("fdb/show", "bridge", 1, 1,
5170 ofproto_unixctl_fdb_show, NULL);
5171 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5172 ofproto_unixctl_mcast_snooping_flush, NULL);
5173 unixctl_command_register("mdb/show", "bridge", 1, 1,
5174 ofproto_unixctl_mcast_snooping_show, NULL);
5175 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5176 ofproto_unixctl_dpif_dump_dps, NULL);
5177 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
5179 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5180 ofproto_unixctl_dpif_dump_flows, NULL);
5182 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5183 disable_tnl_push_pop, NULL);
5186 /* Returns true if 'table' is the table used for internal rules,
5187 * false otherwise. */
5189 table_is_internal(uint8_t table_id)
5191 return table_id == TBL_INTERNAL;
5194 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5196 * This is deprecated. It is only for compatibility with broken device drivers
5197 * in old versions of Linux that do not properly support VLANs when VLAN
5198 * devices are not used. When broken device drivers are no longer in
5199 * widespread use, we will delete these interfaces. */
5202 set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid)
5204 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
5205 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
5207 if (realdev_ofp_port == ofport->realdev_ofp_port
5208 && vid == ofport->vlandev_vid) {
5212 ofproto->backer->need_revalidate = REV_RECONFIGURE;
5214 if (ofport->realdev_ofp_port) {
5217 if (realdev_ofp_port && ofport->bundle) {
5218 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5219 * themselves be part of a bundle. */
5220 bundle_set(ofport_->ofproto, ofport->bundle, NULL);
5223 ofport->realdev_ofp_port = realdev_ofp_port;
5224 ofport->vlandev_vid = vid;
5226 if (realdev_ofp_port) {
5227 vsp_add(ofport, realdev_ofp_port, vid);
5234 hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid)
5236 return hash_2words(ofp_to_u16(realdev_ofp_port), vid);
5240 ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto)
5241 OVS_EXCLUDED(ofproto->vsp_mutex)
5243 /* hmap_is_empty is thread safe. */
5244 return !hmap_is_empty(&ofproto->realdev_vid_map);
5249 vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto,
5250 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5251 OVS_REQUIRES(ofproto->vsp_mutex)
5253 if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
5254 int vid = vlan_tci_to_vid(vlan_tci);
5255 const struct vlan_splinter *vsp;
5257 HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
5258 hash_realdev_vid(realdev_ofp_port, vid),
5259 &ofproto->realdev_vid_map) {
5260 if (vsp->realdev_ofp_port == realdev_ofp_port
5261 && vsp->vid == vid) {
5262 return vsp->vlandev_ofp_port;
5266 return realdev_ofp_port;
5269 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5270 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5271 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5272 * 'vlan_tci' 9, it would return the port number of eth0.9.
5274 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5275 * function just returns its 'realdev_ofp_port' argument. */
5277 vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
5278 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5279 OVS_EXCLUDED(ofproto->vsp_mutex)
5283 /* hmap_is_empty is thread safe, see if we can return immediately. */
5284 if (hmap_is_empty(&ofproto->realdev_vid_map)) {
5285 return realdev_ofp_port;
5287 ovs_mutex_lock(&ofproto->vsp_mutex);
5288 ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci);
5289 ovs_mutex_unlock(&ofproto->vsp_mutex);
5293 static struct vlan_splinter *
5294 vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port)
5296 struct vlan_splinter *vsp;
5298 HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node,
5299 hash_ofp_port(vlandev_ofp_port),
5300 &ofproto->vlandev_map) {
5301 if (vsp->vlandev_ofp_port == vlandev_ofp_port) {
5309 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5310 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5311 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5312 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5313 * eth0 and store 9 in '*vid'.
5315 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5316 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5319 vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
5320 ofp_port_t vlandev_ofp_port, int *vid)
5321 OVS_REQUIRES(ofproto->vsp_mutex)
5323 if (!hmap_is_empty(&ofproto->vlandev_map)) {
5324 const struct vlan_splinter *vsp;
5326 vsp = vlandev_find(ofproto, vlandev_ofp_port);
5331 return vsp->realdev_ofp_port;
5337 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5338 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5339 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5340 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5341 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5342 * case unless VLAN splinters are enabled), returns false without making any
5345 vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow,
5346 struct dp_packet *packet)
5347 OVS_EXCLUDED(ofproto->vsp_mutex)
5352 /* hmap_is_empty is thread safe. */
5353 if (hmap_is_empty(&ofproto->vlandev_map)) {
5357 ovs_mutex_lock(&ofproto->vsp_mutex);
5358 realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid);
5359 ovs_mutex_unlock(&ofproto->vsp_mutex);
5364 /* Cause the flow to be processed as if it came in on the real device with
5365 * the VLAN device's VLAN ID. */
5366 flow->in_port.ofp_port = realdev;
5367 flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
5370 /* Make the packet resemble the flow, so that it gets sent to an
5371 * OpenFlow controller properly, so that it looks correct for sFlow,
5372 * and so that flow_extract() will get the correct vlan_tci if it is
5373 * called on 'packet'. */
5374 eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci);
5381 vsp_remove(struct ofport_dpif *port)
5383 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5384 struct vlan_splinter *vsp;
5386 ovs_mutex_lock(&ofproto->vsp_mutex);
5387 vsp = vlandev_find(ofproto, port->up.ofp_port);
5389 hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node);
5390 hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node);
5393 port->realdev_ofp_port = 0;
5395 VLOG_ERR("missing vlan device record");
5397 ovs_mutex_unlock(&ofproto->vsp_mutex);
5401 vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid)
5403 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5405 ovs_mutex_lock(&ofproto->vsp_mutex);
5406 if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL)
5407 && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid))
5408 == realdev_ofp_port)) {
5409 struct vlan_splinter *vsp;
5411 vsp = xmalloc(sizeof *vsp);
5412 vsp->realdev_ofp_port = realdev_ofp_port;
5413 vsp->vlandev_ofp_port = port->up.ofp_port;
5416 port->realdev_ofp_port = realdev_ofp_port;
5418 hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node,
5419 hash_ofp_port(port->up.ofp_port));
5420 hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node,
5421 hash_realdev_vid(realdev_ofp_port, vid));
5423 VLOG_ERR("duplicate vlan device record");
5425 ovs_mutex_unlock(&ofproto->vsp_mutex);
5429 ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
5431 const struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
5432 return ofport ? ofport->odp_port : ODPP_NONE;
5435 struct ofport_dpif *
5436 odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port)
5438 struct ofport_dpif *port;
5440 ovs_rwlock_rdlock(&backer->odp_to_ofport_lock);
5441 HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port),
5442 &backer->odp_to_ofport_map) {
5443 if (port->odp_port == odp_port) {
5444 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5449 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5454 odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port)
5456 struct ofport_dpif *port;
5458 port = odp_port_to_ofport(ofproto->backer, odp_port);
5459 if (port && &ofproto->up == port->up.ofproto) {
5460 return port->up.ofp_port;
5467 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
5468 const struct match *match, int priority,
5469 uint16_t idle_timeout,
5470 const struct ofpbuf *ofpacts,
5471 struct rule **rulep)
5473 struct ofproto_flow_mod ofm;
5474 struct rule_dpif *rule;
5477 ofm.fm.match = *match;
5478 ofm.fm.priority = priority;
5479 ofm.fm.new_cookie = htonll(0);
5480 ofm.fm.cookie = htonll(0);
5481 ofm.fm.cookie_mask = htonll(0);
5482 ofm.fm.modify_cookie = false;
5483 ofm.fm.table_id = TBL_INTERNAL;
5484 ofm.fm.command = OFPFC_ADD;
5485 ofm.fm.idle_timeout = idle_timeout;
5486 ofm.fm.hard_timeout = 0;
5487 ofm.fm.importance = 0;
5488 ofm.fm.buffer_id = 0;
5489 ofm.fm.out_port = 0;
5490 ofm.fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5491 ofm.fm.ofpacts = ofpacts->data;
5492 ofm.fm.ofpacts_len = ofpacts->size;
5494 error = ofproto_flow_mod(&ofproto->up, &ofm);
5496 VLOG_ERR_RL(&rl, "failed to add internal flow (%s)",
5497 ofperr_to_string(error));
5502 rule = rule_dpif_lookup_in_table(ofproto,
5503 ofproto_dpif_get_tables_version(ofproto),
5504 TBL_INTERNAL, &ofm.fm.match.flow,
5515 ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto,
5516 struct match *match, int priority)
5518 struct ofproto_flow_mod ofm;
5521 ofm.fm.match = *match;
5522 ofm.fm.priority = priority;
5523 ofm.fm.new_cookie = htonll(0);
5524 ofm.fm.cookie = htonll(0);
5525 ofm.fm.cookie_mask = htonll(0);
5526 ofm.fm.modify_cookie = false;
5527 ofm.fm.table_id = TBL_INTERNAL;
5528 ofm.fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5529 ofm.fm.command = OFPFC_DELETE_STRICT;
5531 error = ofproto_flow_mod(&ofproto->up, &ofm);
5533 VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)",
5534 ofperr_to_string(error));
5541 const struct ofproto_class ofproto_dpif_class = {
5555 NULL, /* get_memory_usage. */
5556 type_get_memory_usage,
5575 port_is_lacp_current,
5576 port_get_lacp_stats,
5577 NULL, /* rule_choose_table */
5601 aa_vlan_get_queue_size,
5608 get_stp_port_status,
5613 get_rstp_port_status,
5620 is_mirror_output_bundle,
5621 forward_bpdu_changed,
5622 set_mac_table_config,
5624 set_mcast_snooping_port,
5626 NULL, /* meter_get_features */
5627 NULL, /* meter_set */
5628 NULL, /* meter_get */
5629 NULL, /* meter_del */
5630 group_alloc, /* group_alloc */
5631 group_construct, /* group_construct */
5632 group_destruct, /* group_destruct */
5633 group_dealloc, /* group_dealloc */
5634 group_modify, /* group_modify */
5635 group_get_stats, /* group_get_stats */
5636 get_datapath_version, /* get_datapath_version */