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 /* If non-zero then the recirculation id that has
93 * been allocated for use with this rule.
94 * The recirculation id and associated internal flow should
95 * be freed when the rule is freed */
99 /* RULE_CAST() depends on this. */
100 BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0);
102 static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes,
103 long long int *used);
104 static struct rule_dpif *rule_dpif_cast(const struct rule *);
105 static void rule_expire(struct rule_dpif *);
112 * - Do include packets and bytes from datapath flows which have not
113 * recently been processed by a revalidator. */
114 struct ovs_mutex stats_mutex;
115 uint64_t packet_count OVS_GUARDED; /* Number of packets received. */
116 uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */
120 struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
121 struct ofproto_dpif *ofproto; /* Owning ofproto. */
122 void *aux; /* Key supplied by ofproto's client. */
123 char *name; /* Identifier for log messages. */
126 struct ovs_list ports; /* Contains "struct ofport"s. */
127 enum port_vlan_mode vlan_mode; /* VLAN mode */
128 int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
129 unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1.
130 * NULL if all VLANs are trunked. */
131 struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */
132 struct bond *bond; /* Nonnull iff more than one port. */
133 bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
136 bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
139 static void bundle_remove(struct ofport *);
140 static void bundle_update(struct ofbundle *);
141 static void bundle_destroy(struct ofbundle *);
142 static void bundle_del_port(struct ofport_dpif *);
143 static void bundle_run(struct ofbundle *);
144 static void bundle_wait(struct ofbundle *);
145 static void bundle_flush_macs(struct ofbundle *, bool);
146 static void bundle_move(struct ofbundle *, struct ofbundle *);
148 static void stp_run(struct ofproto_dpif *ofproto);
149 static void stp_wait(struct ofproto_dpif *ofproto);
150 static int set_stp_port(struct ofport *,
151 const struct ofproto_port_stp_settings *);
153 static void rstp_run(struct ofproto_dpif *ofproto);
154 static void set_rstp_port(struct ofport *,
155 const struct ofproto_port_rstp_settings *);
158 struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
162 struct ofbundle *bundle; /* Bundle that contains this port, if any. */
163 struct ovs_list bundle_node;/* In struct ofbundle's "ports" list. */
164 struct cfm *cfm; /* Connectivity Fault Management, if any. */
165 struct bfd *bfd; /* BFD, if any. */
166 struct lldp *lldp; /* lldp, if any. */
167 bool may_enable; /* May be enabled in bonds. */
168 bool is_tunnel; /* This port is a tunnel. */
169 bool is_layer3; /* This is a layer 3 port. */
170 long long int carrier_seq; /* Carrier status changes. */
171 struct ofport_dpif *peer; /* Peer if patch port. */
174 struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
175 enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
176 long long int stp_state_entered;
178 /* Rapid Spanning Tree. */
179 struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
180 enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
182 /* Queue to DSCP mapping. */
183 struct ofproto_port_queue *qdscp;
186 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
188 * This is deprecated. It is only for compatibility with broken device
189 * drivers in old versions of Linux that do not properly support VLANs when
190 * VLAN devices are not used. When broken device drivers are no longer in
191 * widespread use, we will delete these interfaces. */
192 ofp_port_t realdev_ofp_port;
196 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
198 * This is deprecated. It is only for compatibility with broken device drivers
199 * in old versions of Linux that do not properly support VLANs when VLAN
200 * devices are not used. When broken device drivers are no longer in
201 * widespread use, we will delete these interfaces. */
202 struct vlan_splinter {
203 struct hmap_node realdev_vid_node;
204 struct hmap_node vlandev_node;
205 ofp_port_t realdev_ofp_port;
206 ofp_port_t vlandev_ofp_port;
210 static void vsp_remove(struct ofport_dpif *);
211 static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid);
213 static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *,
216 static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *,
219 static struct ofport_dpif *
220 ofport_dpif_cast(const struct ofport *ofport)
222 return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
225 static void port_run(struct ofport_dpif *);
226 static int set_bfd(struct ofport *, const struct smap *);
227 static int set_cfm(struct ofport *, const struct cfm_settings *);
228 static int set_lldp(struct ofport *ofport_, const struct smap *cfg);
229 static void ofport_update_peer(struct ofport_dpif *);
231 /* Reasons that we might need to revalidate every datapath flow, and
232 * corresponding coverage counters.
234 * A value of 0 means that there is no need to revalidate.
236 * It would be nice to have some cleaner way to integrate with coverage
237 * counters, but with only a few reasons I guess this is good enough for
239 enum revalidate_reason {
240 REV_RECONFIGURE = 1, /* Switch configuration changed. */
241 REV_STP, /* Spanning tree protocol port status change. */
242 REV_RSTP, /* RSTP port status change. */
243 REV_BOND, /* Bonding changed. */
244 REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/
245 REV_FLOW_TABLE, /* Flow table changed. */
246 REV_MAC_LEARNING, /* Mac learning changed. */
247 REV_MCAST_SNOOPING, /* Multicast snooping changed. */
249 COVERAGE_DEFINE(rev_reconfigure);
250 COVERAGE_DEFINE(rev_stp);
251 COVERAGE_DEFINE(rev_rstp);
252 COVERAGE_DEFINE(rev_bond);
253 COVERAGE_DEFINE(rev_port_toggled);
254 COVERAGE_DEFINE(rev_flow_table);
255 COVERAGE_DEFINE(rev_mac_learning);
256 COVERAGE_DEFINE(rev_mcast_snooping);
258 /* All datapaths of a given type share a single dpif backer instance. */
265 struct ovs_rwlock odp_to_ofport_lock;
266 struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
268 struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
270 enum revalidate_reason need_revalidate; /* Revalidate all flows. */
272 bool recv_set_enable; /* Enables or disables receiving packets. */
274 /* Version string of the datapath stored in OVSDB. */
275 char *dp_version_string;
277 /* Datapath feature support. */
278 struct dpif_backer_support support;
279 struct atomic_count tnl_count;
282 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
283 static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
285 struct ofproto_dpif {
286 struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
288 struct dpif_backer *backer;
290 atomic_llong tables_version; /* Version # to use in classifier lookups. */
292 uint64_t dump_seq; /* Last read of udpif_dump_seq(). */
294 /* Special OpenFlow rules. */
295 struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
296 struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
297 struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */
300 struct netflow *netflow;
301 struct dpif_sflow *sflow;
302 struct dpif_ipfix *ipfix;
303 struct hmap bundles; /* Contains "struct ofbundle"s. */
304 struct mac_learning *ml;
305 struct mcast_snooping *ms;
306 bool has_bonded_bundles;
308 struct mbridge *mbridge;
310 struct ovs_mutex stats_mutex;
311 struct netdev_stats stats OVS_GUARDED; /* To account packets generated and
312 * consumed in userspace. */
316 long long int stp_last_tick;
318 /* Rapid Spanning Tree. */
320 long long int rstp_last_tick;
322 /* VLAN splinters. */
323 struct ovs_mutex vsp_mutex;
324 struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */
325 struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */
328 struct sset ports; /* Set of standard port names. */
329 struct sset ghost_ports; /* Ports with no datapath port. */
330 struct sset port_poll_set; /* Queued names for port_poll() reply. */
331 int port_poll_errno; /* Last errno for port_poll() reply. */
332 uint64_t change_seq; /* Connectivity status changes. */
335 struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */
336 struct seq *pins_seq; /* For notifying 'pins' reception. */
340 /* All existing ofproto_dpif instances, indexed by ->up.name. */
341 static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
343 static bool ofproto_use_tnl_push_pop = true;
344 static void ofproto_unixctl_init(void);
346 static inline struct ofproto_dpif *
347 ofproto_dpif_cast(const struct ofproto *ofproto)
349 ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class);
350 return CONTAINER_OF(ofproto, struct ofproto_dpif, up);
354 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto)
356 return ofproto->backer->support.max_mpls_depth;
360 ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto)
362 return ofproto->backer->support.recirc;
366 ofproto_dpif_get_enable_ufid(struct dpif_backer *backer)
368 return backer->support.ufid;
371 static void ofproto_trace(struct ofproto_dpif *, struct flow *,
372 const struct dp_packet *packet,
373 const struct ofpact[], size_t ofpacts_len,
376 /* Global variables. */
377 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
379 /* Initial mappings of port to bridge mappings. */
380 static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports);
382 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
385 ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
386 struct ofputil_flow_mod *fm)
388 ofproto_flow_mod(&ofproto->up, fm);
391 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
392 * Takes ownership of 'pin' and pin->packet. */
394 ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto,
395 struct ofproto_packet_in *pin)
397 if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) {
398 COVERAGE_INC(packet_in_overflow);
399 free(CONST_CAST(void *, pin->up.packet));
403 /* Wakes up main thread for packet-in I/O. */
404 seq_change(ofproto->pins_seq);
407 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
408 * packet rather than to send the packet to the controller.
410 * This function returns false to indicate that a packet_in message
411 * for a "table-miss" should be sent to at least one controller.
412 * False otherwise. */
414 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto)
416 return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr);
419 /* Factory functions. */
422 init(const struct shash *iface_hints)
424 struct shash_node *node;
426 /* Make a local copy, since we don't own 'iface_hints' elements. */
427 SHASH_FOR_EACH(node, iface_hints) {
428 const struct iface_hint *orig_hint = node->data;
429 struct iface_hint *new_hint = xmalloc(sizeof *new_hint);
431 new_hint->br_name = xstrdup(orig_hint->br_name);
432 new_hint->br_type = xstrdup(orig_hint->br_type);
433 new_hint->ofp_port = orig_hint->ofp_port;
435 shash_add(&init_ofp_ports, node->name, new_hint);
440 enumerate_types(struct sset *types)
442 dp_enumerate_types(types);
446 enumerate_names(const char *type, struct sset *names)
448 struct ofproto_dpif *ofproto;
451 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
452 if (strcmp(type, ofproto->up.type)) {
455 sset_add(names, ofproto->up.name);
462 del(const char *type, const char *name)
467 error = dpif_open(name, type, &dpif);
469 error = dpif_delete(dpif);
476 port_open_type(const char *datapath_type, const char *port_type)
478 return dpif_port_open_type(datapath_type, port_type);
481 /* Type functions. */
483 static void process_dpif_port_changes(struct dpif_backer *);
484 static void process_dpif_all_ports_changed(struct dpif_backer *);
485 static void process_dpif_port_change(struct dpif_backer *,
486 const char *devname);
487 static void process_dpif_port_error(struct dpif_backer *, int error);
489 static struct ofproto_dpif *
490 lookup_ofproto_dpif_by_port_name(const char *name)
492 struct ofproto_dpif *ofproto;
494 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
495 if (sset_contains(&ofproto->ports, name)) {
504 type_run(const char *type)
506 struct dpif_backer *backer;
508 backer = shash_find_data(&all_dpif_backers, type);
510 /* This is not necessarily a problem, since backers are only
511 * created on demand. */
516 if (dpif_run(backer->dpif)) {
517 backer->need_revalidate = REV_RECONFIGURE;
520 udpif_run(backer->udpif);
522 /* If vswitchd started with other_config:flow_restore_wait set as "true",
523 * and the configuration has now changed to "false", enable receiving
524 * packets from the datapath. */
525 if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
528 backer->recv_set_enable = true;
530 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
532 VLOG_ERR("Failed to enable receiving packets in dpif.");
535 dpif_flow_flush(backer->dpif);
536 backer->need_revalidate = REV_RECONFIGURE;
539 if (backer->recv_set_enable) {
540 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
543 dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask);
545 if (backer->need_revalidate) {
546 struct ofproto_dpif *ofproto;
547 struct simap_node *node;
548 struct simap tmp_backers;
550 /* Handle tunnel garbage collection. */
551 simap_init(&tmp_backers);
552 simap_swap(&backer->tnl_backers, &tmp_backers);
554 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
555 struct ofport_dpif *iter;
557 if (backer != ofproto->backer) {
561 HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
562 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
565 if (!iter->is_tunnel) {
569 dp_port = netdev_vport_get_dpif_port(iter->up.netdev,
570 namebuf, sizeof namebuf);
571 node = simap_find(&tmp_backers, dp_port);
573 simap_put(&backer->tnl_backers, dp_port, node->data);
574 simap_delete(&tmp_backers, node);
575 node = simap_find(&backer->tnl_backers, dp_port);
577 node = simap_find(&backer->tnl_backers, dp_port);
579 odp_port_t odp_port = ODPP_NONE;
581 if (!dpif_port_add(backer->dpif, iter->up.netdev,
583 simap_put(&backer->tnl_backers, dp_port,
584 odp_to_u32(odp_port));
585 node = simap_find(&backer->tnl_backers, dp_port);
590 iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
591 if (tnl_port_reconfigure(iter, iter->up.netdev,
593 ovs_native_tunneling_is_on(ofproto), dp_port)) {
594 backer->need_revalidate = REV_RECONFIGURE;
599 SIMAP_FOR_EACH (node, &tmp_backers) {
600 dpif_port_del(backer->dpif, u32_to_odp(node->data));
602 simap_destroy(&tmp_backers);
604 switch (backer->need_revalidate) {
605 case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
606 case REV_STP: COVERAGE_INC(rev_stp); break;
607 case REV_RSTP: COVERAGE_INC(rev_rstp); break;
608 case REV_BOND: COVERAGE_INC(rev_bond); break;
609 case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
610 case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
611 case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break;
612 case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break;
614 backer->need_revalidate = 0;
616 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
617 struct ofport_dpif *ofport;
618 struct ofbundle *bundle;
620 if (ofproto->backer != backer) {
625 xlate_ofproto_set(ofproto, ofproto->up.name,
626 ofproto->backer->dpif, ofproto->ml,
627 ofproto->stp, ofproto->rstp, ofproto->ms,
628 ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
630 ofproto->up.forward_bpdu,
631 connmgr_has_in_band(ofproto->up.connmgr),
632 &ofproto->backer->support);
634 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
635 xlate_bundle_set(ofproto, bundle, bundle->name,
636 bundle->vlan_mode, bundle->vlan,
637 bundle->trunks, bundle->use_priority_tags,
638 bundle->bond, bundle->lacp,
642 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
643 int stp_port = ofport->stp_port
644 ? stp_port_no(ofport->stp_port)
646 xlate_ofport_set(ofproto, ofport->bundle, ofport,
647 ofport->up.ofp_port, ofport->odp_port,
648 ofport->up.netdev, ofport->cfm, ofport->bfd,
649 ofport->lldp, ofport->peer, stp_port,
650 ofport->rstp_port, ofport->qdscp,
651 ofport->n_qdscp, ofport->up.pp.config,
652 ofport->up.pp.state, ofport->is_tunnel,
658 udpif_revalidate(backer->udpif);
661 process_dpif_port_changes(backer);
666 /* Check for and handle port changes in 'backer''s dpif. */
668 process_dpif_port_changes(struct dpif_backer *backer)
674 error = dpif_port_poll(backer->dpif, &devname);
680 process_dpif_all_ports_changed(backer);
684 process_dpif_port_change(backer, devname);
689 process_dpif_port_error(backer, error);
696 process_dpif_all_ports_changed(struct dpif_backer *backer)
698 struct ofproto_dpif *ofproto;
699 struct dpif_port dpif_port;
700 struct dpif_port_dump dump;
701 struct sset devnames;
704 sset_init(&devnames);
705 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
706 if (ofproto->backer == backer) {
707 struct ofport *ofport;
709 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
710 sset_add(&devnames, netdev_get_name(ofport->netdev));
714 DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) {
715 sset_add(&devnames, dpif_port.name);
718 SSET_FOR_EACH (devname, &devnames) {
719 process_dpif_port_change(backer, devname);
721 sset_destroy(&devnames);
725 process_dpif_port_change(struct dpif_backer *backer, const char *devname)
727 struct ofproto_dpif *ofproto;
728 struct dpif_port port;
730 /* Don't report on the datapath's device. */
731 if (!strcmp(devname, dpif_base_name(backer->dpif))) {
735 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
736 &all_ofproto_dpifs) {
737 if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
742 ofproto = lookup_ofproto_dpif_by_port_name(devname);
743 if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
744 /* The port was removed. If we know the datapath,
745 * report it through poll_set(). If we don't, it may be
746 * notifying us of a removal we initiated, so ignore it.
747 * If there's a pending ENOBUFS, let it stand, since
748 * everything will be reevaluated. */
749 if (ofproto && ofproto->port_poll_errno != ENOBUFS) {
750 sset_add(&ofproto->port_poll_set, devname);
751 ofproto->port_poll_errno = 0;
753 } else if (!ofproto) {
754 /* The port was added, but we don't know with which
755 * ofproto we should associate it. Delete it. */
756 dpif_port_del(backer->dpif, port.port_no);
758 struct ofport_dpif *ofport;
760 ofport = ofport_dpif_cast(shash_find_data(
761 &ofproto->up.port_by_name, devname));
763 && ofport->odp_port != port.port_no
764 && !odp_port_to_ofport(backer, port.port_no))
766 /* 'ofport''s datapath port number has changed from
767 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
768 * structures to match. */
769 ovs_rwlock_wrlock(&backer->odp_to_ofport_lock);
770 hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node);
771 ofport->odp_port = port.port_no;
772 hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node,
773 hash_odp_port(port.port_no));
774 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
775 backer->need_revalidate = REV_RECONFIGURE;
778 dpif_port_destroy(&port);
781 /* Propagate 'error' to all ofprotos based on 'backer'. */
783 process_dpif_port_error(struct dpif_backer *backer, int error)
785 struct ofproto_dpif *ofproto;
787 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
788 if (ofproto->backer == backer) {
789 sset_clear(&ofproto->port_poll_set);
790 ofproto->port_poll_errno = error;
796 type_wait(const char *type)
798 struct dpif_backer *backer;
800 backer = shash_find_data(&all_dpif_backers, type);
802 /* This is not necessarily a problem, since backers are only
803 * created on demand. */
807 dpif_wait(backer->dpif);
810 /* Basic life-cycle. */
812 static int add_internal_flows(struct ofproto_dpif *);
814 static struct ofproto *
817 struct ofproto_dpif *ofproto = xzalloc(sizeof *ofproto);
822 dealloc(struct ofproto *ofproto_)
824 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
829 close_dpif_backer(struct dpif_backer *backer)
831 ovs_assert(backer->refcount > 0);
833 if (--backer->refcount) {
837 udpif_destroy(backer->udpif);
839 simap_destroy(&backer->tnl_backers);
840 ovs_rwlock_destroy(&backer->odp_to_ofport_lock);
841 hmap_destroy(&backer->odp_to_ofport_map);
842 shash_find_and_delete(&all_dpif_backers, backer->type);
844 free(backer->dp_version_string);
845 dpif_close(backer->dpif);
849 /* Datapath port slated for removal from datapath. */
851 struct ovs_list list_node;
855 static bool check_variable_length_userdata(struct dpif_backer *backer);
856 static void check_support(struct dpif_backer *backer);
859 open_dpif_backer(const char *type, struct dpif_backer **backerp)
861 struct dpif_backer *backer;
862 struct dpif_port_dump port_dump;
863 struct dpif_port port;
864 struct shash_node *node;
865 struct ovs_list garbage_list;
866 struct odp_garbage *garbage;
875 backer = shash_find_data(&all_dpif_backers, type);
882 backer_name = xasprintf("ovs-%s", type);
884 /* Remove any existing datapaths, since we assume we're the only
885 * userspace controlling the datapath. */
887 dp_enumerate_names(type, &names);
888 SSET_FOR_EACH(name, &names) {
889 struct dpif *old_dpif;
891 /* Don't remove our backer if it exists. */
892 if (!strcmp(name, backer_name)) {
896 if (dpif_open(name, type, &old_dpif)) {
897 VLOG_WARN("couldn't open old datapath %s to remove it", name);
899 dpif_delete(old_dpif);
900 dpif_close(old_dpif);
903 sset_destroy(&names);
905 backer = xmalloc(sizeof *backer);
907 error = dpif_create_and_open(backer_name, type, &backer->dpif);
910 VLOG_ERR("failed to open datapath of type %s: %s", type,
911 ovs_strerror(error));
915 backer->udpif = udpif_create(backer, backer->dpif);
917 backer->type = xstrdup(type);
918 backer->refcount = 1;
919 hmap_init(&backer->odp_to_ofport_map);
920 ovs_rwlock_init(&backer->odp_to_ofport_lock);
921 backer->need_revalidate = 0;
922 simap_init(&backer->tnl_backers);
923 backer->recv_set_enable = !ofproto_get_flow_restore_wait();
926 if (backer->recv_set_enable) {
927 dpif_flow_flush(backer->dpif);
930 /* Loop through the ports already on the datapath and remove any
931 * that we don't need anymore. */
932 list_init(&garbage_list);
933 dpif_port_dump_start(&port_dump, backer->dpif);
934 while (dpif_port_dump_next(&port_dump, &port)) {
935 node = shash_find(&init_ofp_ports, port.name);
936 if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) {
937 garbage = xmalloc(sizeof *garbage);
938 garbage->odp_port = port.port_no;
939 list_push_front(&garbage_list, &garbage->list_node);
942 dpif_port_dump_done(&port_dump);
944 LIST_FOR_EACH_POP (garbage, list_node, &garbage_list) {
945 dpif_port_del(backer->dpif, garbage->odp_port);
949 shash_add(&all_dpif_backers, type, backer);
951 check_support(backer);
952 atomic_count_init(&backer->tnl_count, 0);
954 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
956 VLOG_ERR("failed to listen on datapath of type %s: %s",
957 type, ovs_strerror(error));
958 close_dpif_backer(backer);
962 if (backer->recv_set_enable) {
963 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
966 /* This check fails if performed before udpif threads have been set,
967 * as the kernel module checks that the 'pid' in userspace action
969 backer->support.variable_length_userdata
970 = check_variable_length_userdata(backer);
971 backer->dp_version_string = dpif_get_dp_version(backer->dpif);
977 ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto)
979 return ofproto_use_tnl_push_pop && ofproto->backer->support.tnl_push_pop &&
980 atomic_count_get(&ofproto->backer->tnl_count);
983 /* Tests whether 'backer''s datapath supports recirculation. Only newer
984 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
985 * features on older datapaths that don't support this feature.
987 * Returns false if 'backer' definitely does not support recirculation, true if
988 * it seems to support recirculation or if at least the error we get is
991 check_recirc(struct dpif_backer *backer)
994 struct odputil_keybuf keybuf;
998 memset(&flow, 0, sizeof flow);
1002 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1003 odp_flow_key_from_flow(&key, &flow, NULL, 0, true);
1004 enable_recirc = dpif_probe_feature(backer->dpif, "recirculation", &key,
1007 if (enable_recirc) {
1008 VLOG_INFO("%s: Datapath supports recirculation",
1009 dpif_name(backer->dpif));
1011 VLOG_INFO("%s: Datapath does not support recirculation",
1012 dpif_name(backer->dpif));
1015 return enable_recirc;
1018 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
1019 * some flow attributes for datapaths that support this feature.
1021 * Returns true if 'dpif' supports UFID for flow operations.
1022 * Returns false if 'dpif' does not support UFID. */
1024 check_ufid(struct dpif_backer *backer)
1027 struct odputil_keybuf keybuf;
1032 memset(&flow, 0, sizeof flow);
1033 flow.dl_type = htons(0x1234);
1035 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1036 odp_flow_key_from_flow(&key, &flow, NULL, 0, true);
1037 dpif_flow_hash(backer->dpif, key.data, key.size, &ufid);
1039 enable_ufid = dpif_probe_feature(backer->dpif, "UFID", &key, &ufid);
1042 VLOG_INFO("%s: Datapath supports unique flow ids",
1043 dpif_name(backer->dpif));
1045 VLOG_INFO("%s: Datapath does not support unique flow ids",
1046 dpif_name(backer->dpif));
1051 /* Tests whether 'backer''s datapath supports variable-length
1052 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1053 * to disable some features on older datapaths that don't support this
1056 * Returns false if 'backer' definitely does not support variable-length
1057 * userdata, true if it seems to support them or if at least the error we get
1060 check_variable_length_userdata(struct dpif_backer *backer)
1062 struct eth_header *eth;
1063 struct ofpbuf actions;
1064 struct dpif_execute execute;
1065 struct dp_packet packet;
1069 /* Compose a userspace action that will cause an ERANGE error on older
1070 * datapaths that don't support variable-length userdata.
1072 * We really test for using userdata longer than 8 bytes, but older
1073 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1074 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1075 * test for that instead as a proxy for longer userdata support. */
1076 ofpbuf_init(&actions, 64);
1077 start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE);
1078 nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID,
1079 dpif_port_get_pid(backer->dpif, ODPP_NONE, 0));
1080 nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4);
1081 nl_msg_end_nested(&actions, start);
1083 /* Compose a dummy ethernet packet. */
1084 dp_packet_init(&packet, ETH_HEADER_LEN);
1085 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1086 eth->eth_type = htons(0x1234);
1088 /* Execute the actions. On older datapaths this fails with ERANGE, on
1089 * newer datapaths it succeeds. */
1090 execute.actions = actions.data;
1091 execute.actions_len = actions.size;
1092 execute.packet = &packet;
1093 execute.needs_help = false;
1094 execute.probe = true;
1096 error = dpif_execute(backer->dpif, &execute);
1098 dp_packet_uninit(&packet);
1099 ofpbuf_uninit(&actions);
1106 /* Variable-length userdata is not supported. */
1107 VLOG_WARN("%s: datapath does not support variable-length userdata "
1108 "feature (needs Linux 3.10+ or kernel module from OVS "
1109 "1..11+). The NXAST_SAMPLE action will be ignored.",
1110 dpif_name(backer->dpif));
1114 /* Something odd happened. We're not sure whether variable-length
1115 * userdata is supported. Default to "yes". */
1116 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1117 dpif_name(backer->dpif), ovs_strerror(error));
1122 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1124 * Returns the number of elements in a struct flow's mpls_lse field
1125 * if the datapath supports at least that many entries in an
1127 * Otherwise returns the number of MPLS push actions supported by
1130 check_max_mpls_depth(struct dpif_backer *backer)
1135 for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) {
1136 struct odputil_keybuf keybuf;
1139 memset(&flow, 0, sizeof flow);
1140 flow.dl_type = htons(ETH_TYPE_MPLS);
1141 flow_set_mpls_bos(&flow, n, 1);
1143 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1144 odp_flow_key_from_flow(&key, &flow, NULL, 0, false);
1145 if (!dpif_probe_feature(backer->dpif, "MPLS", &key, NULL)) {
1150 VLOG_INFO("%s: MPLS label stack length probed as %d",
1151 dpif_name(backer->dpif), n);
1155 /* Tests whether 'backer''s datapath supports masked data in
1156 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1157 * datapaths that don't support this feature. */
1159 check_masked_set_action(struct dpif_backer *backer)
1161 struct eth_header *eth;
1162 struct ofpbuf actions;
1163 struct dpif_execute execute;
1164 struct dp_packet packet;
1166 struct ovs_key_ethernet key, mask;
1168 /* Compose a set action that will cause an EINVAL error on older
1169 * datapaths that don't support masked set actions.
1170 * Avoid using a full mask, as it could be translated to a non-masked
1171 * set action instead. */
1172 ofpbuf_init(&actions, 64);
1173 memset(&key, 0x53, sizeof key);
1174 memset(&mask, 0x7f, sizeof mask);
1175 commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
1178 /* Compose a dummy ethernet packet. */
1179 dp_packet_init(&packet, ETH_HEADER_LEN);
1180 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1181 eth->eth_type = htons(0x1234);
1183 /* Execute the actions. On older datapaths this fails with EINVAL, on
1184 * newer datapaths it succeeds. */
1185 execute.actions = actions.data;
1186 execute.actions_len = actions.size;
1187 execute.packet = &packet;
1188 execute.needs_help = false;
1189 execute.probe = true;
1191 error = dpif_execute(backer->dpif, &execute);
1193 dp_packet_uninit(&packet);
1194 ofpbuf_uninit(&actions);
1197 /* Masked set action is not supported. */
1198 VLOG_INFO("%s: datapath does not support masked set action feature.",
1199 dpif_name(backer->dpif));
1205 check_support(struct dpif_backer *backer)
1207 /* This feature needs to be tested after udpif threads are set. */
1208 backer->support.variable_length_userdata = false;
1210 backer->support.recirc = check_recirc(backer);
1211 backer->support.max_mpls_depth = check_max_mpls_depth(backer);
1212 backer->support.masked_set_action = check_masked_set_action(backer);
1213 backer->support.ufid = check_ufid(backer);
1214 backer->support.tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif);
1218 construct(struct ofproto *ofproto_)
1220 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1221 struct shash_node *node, *next;
1224 /* Tunnel module can get used right after the udpif threads are running. */
1225 ofproto_tunnel_init();
1227 error = open_dpif_backer(ofproto->up.type, &ofproto->backer);
1232 atomic_init(&ofproto->tables_version, CLS_MIN_VERSION);
1233 ofproto->netflow = NULL;
1234 ofproto->sflow = NULL;
1235 ofproto->ipfix = NULL;
1236 ofproto->stp = NULL;
1237 ofproto->rstp = NULL;
1238 ofproto->dump_seq = 0;
1239 hmap_init(&ofproto->bundles);
1240 ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
1242 ofproto->mbridge = mbridge_create();
1243 ofproto->has_bonded_bundles = false;
1244 ofproto->lacp_enabled = false;
1245 ovs_mutex_init_adaptive(&ofproto->stats_mutex);
1246 ovs_mutex_init(&ofproto->vsp_mutex);
1248 guarded_list_init(&ofproto->pins);
1250 ofproto_unixctl_init();
1252 hmap_init(&ofproto->vlandev_map);
1253 hmap_init(&ofproto->realdev_vid_map);
1255 sset_init(&ofproto->ports);
1256 sset_init(&ofproto->ghost_ports);
1257 sset_init(&ofproto->port_poll_set);
1258 ofproto->port_poll_errno = 0;
1259 ofproto->change_seq = 0;
1260 ofproto->pins_seq = seq_create();
1261 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1264 SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) {
1265 struct iface_hint *iface_hint = node->data;
1267 if (!strcmp(iface_hint->br_name, ofproto->up.name)) {
1268 /* Check if the datapath already has this port. */
1269 if (dpif_port_exists(ofproto->backer->dpif, node->name)) {
1270 sset_add(&ofproto->ports, node->name);
1273 free(iface_hint->br_name);
1274 free(iface_hint->br_type);
1276 shash_delete(&init_ofp_ports, node);
1280 hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
1281 hash_string(ofproto->up.name, 0));
1282 memset(&ofproto->stats, 0, sizeof ofproto->stats);
1284 ofproto_init_tables(ofproto_, N_TABLES);
1285 error = add_internal_flows(ofproto);
1287 ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
1293 add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
1294 const struct ofpbuf *ofpacts, struct rule_dpif **rulep)
1300 match_init_catchall(&match);
1301 match_set_reg(&match, 0, id);
1303 error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
1305 *rulep = error ? NULL : rule_dpif_cast(rule);
1311 add_internal_flows(struct ofproto_dpif *ofproto)
1313 struct ofpact_controller *controller;
1314 uint64_t ofpacts_stub[128 / 8];
1315 struct ofpbuf ofpacts;
1316 struct rule *unused_rulep OVS_UNUSED;
1321 ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
1324 controller = ofpact_put_CONTROLLER(&ofpacts);
1325 controller->max_len = UINT16_MAX;
1326 controller->controller_id = 0;
1327 controller->reason = OFPR_NO_MATCH;
1328 ofpact_pad(&ofpacts);
1330 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1331 &ofproto->miss_rule);
1336 ofpbuf_clear(&ofpacts);
1337 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1338 &ofproto->no_packet_in_rule);
1343 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1344 &ofproto->drop_frags_rule);
1349 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1350 * zero when reaching this rule.
1352 * (priority=2), recirc_id=0, actions=drop
1354 ofpbuf_clear(&ofpacts);
1355 match_init_catchall(&match);
1356 match_set_recirc_id(&match, 0);
1357 error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
1363 destruct(struct ofproto *ofproto_)
1365 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1366 struct ofproto_packet_in *pin;
1367 struct rule_dpif *rule;
1368 struct oftable *table;
1369 struct ovs_list pins;
1371 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1373 xlate_remove_ofproto(ofproto);
1376 /* Ensure that the upcall processing threads have no remaining references
1377 * to the ofproto or anything in it. */
1378 udpif_synchronize(ofproto->backer->udpif);
1380 hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
1382 OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
1383 CLS_FOR_EACH (rule, up.cr, &table->cls) {
1384 ofproto_rule_delete(&ofproto->up, &rule->up);
1388 guarded_list_pop_all(&ofproto->pins, &pins);
1389 LIST_FOR_EACH_POP (pin, list_node, &pins) {
1390 free(CONST_CAST(void *, pin->up.packet));
1393 guarded_list_destroy(&ofproto->pins);
1395 recirc_free_ofproto(ofproto, ofproto->up.name);
1397 mbridge_unref(ofproto->mbridge);
1399 netflow_unref(ofproto->netflow);
1400 dpif_sflow_unref(ofproto->sflow);
1401 dpif_ipfix_unref(ofproto->ipfix);
1402 hmap_destroy(&ofproto->bundles);
1403 mac_learning_unref(ofproto->ml);
1404 mcast_snooping_unref(ofproto->ms);
1406 hmap_destroy(&ofproto->vlandev_map);
1407 hmap_destroy(&ofproto->realdev_vid_map);
1409 sset_destroy(&ofproto->ports);
1410 sset_destroy(&ofproto->ghost_ports);
1411 sset_destroy(&ofproto->port_poll_set);
1413 ovs_mutex_destroy(&ofproto->stats_mutex);
1414 ovs_mutex_destroy(&ofproto->vsp_mutex);
1416 seq_destroy(ofproto->pins_seq);
1418 close_dpif_backer(ofproto->backer);
1422 run(struct ofproto *ofproto_)
1424 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1425 uint64_t new_seq, new_dump_seq;
1427 if (mbridge_need_revalidate(ofproto->mbridge)) {
1428 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1429 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1430 mac_learning_flush(ofproto->ml);
1431 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1432 mcast_snooping_mdb_flush(ofproto->ms);
1435 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1436 * flow restore. Even though nothing is processed during flow restore,
1437 * all queued 'pins' will be handled immediately when flow restore
1439 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1441 /* Do not perform any periodic activity required by 'ofproto' while
1442 * waiting for flow restore to complete. */
1443 if (!ofproto_get_flow_restore_wait()) {
1444 struct ofproto_packet_in *pin;
1445 struct ovs_list pins;
1447 guarded_list_pop_all(&ofproto->pins, &pins);
1448 LIST_FOR_EACH_POP (pin, list_node, &pins) {
1449 connmgr_send_packet_in(ofproto->up.connmgr, pin);
1450 free(CONST_CAST(void *, pin->up.packet));
1455 if (ofproto->netflow) {
1456 netflow_run(ofproto->netflow);
1458 if (ofproto->sflow) {
1459 dpif_sflow_run(ofproto->sflow);
1461 if (ofproto->ipfix) {
1462 dpif_ipfix_run(ofproto->ipfix);
1465 new_seq = seq_read(connectivity_seq_get());
1466 if (ofproto->change_seq != new_seq) {
1467 struct ofport_dpif *ofport;
1469 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1473 ofproto->change_seq = new_seq;
1475 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1476 struct ofbundle *bundle;
1478 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1485 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1486 if (mac_learning_run(ofproto->ml)) {
1487 ofproto->backer->need_revalidate = REV_MAC_LEARNING;
1489 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1491 if (mcast_snooping_run(ofproto->ms)) {
1492 ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
1495 new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
1496 if (ofproto->dump_seq != new_dump_seq) {
1497 struct rule *rule, *next_rule;
1499 /* We know stats are relatively fresh, so now is a good time to do some
1501 ofproto->dump_seq = new_dump_seq;
1503 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1505 ovs_mutex_lock(&ofproto_mutex);
1506 LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
1507 &ofproto->up.expirable) {
1508 rule_expire(rule_dpif_cast(rule));
1510 ovs_mutex_unlock(&ofproto_mutex);
1512 /* All outstanding data in existing flows has been accounted, so it's a
1513 * good time to do bond rebalancing. */
1514 if (ofproto->has_bonded_bundles) {
1515 struct ofbundle *bundle;
1517 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1519 bond_rebalance(bundle->bond);
1528 wait(struct ofproto *ofproto_)
1530 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1532 if (ofproto_get_flow_restore_wait()) {
1536 if (ofproto->sflow) {
1537 dpif_sflow_wait(ofproto->sflow);
1539 if (ofproto->ipfix) {
1540 dpif_ipfix_wait(ofproto->ipfix);
1542 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1543 struct ofbundle *bundle;
1545 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1546 bundle_wait(bundle);
1549 if (ofproto->netflow) {
1550 netflow_wait(ofproto->netflow);
1552 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
1553 mac_learning_wait(ofproto->ml);
1554 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1555 mcast_snooping_wait(ofproto->ms);
1557 if (ofproto->backer->need_revalidate) {
1558 /* Shouldn't happen, but if it does just go around again. */
1559 VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()");
1560 poll_immediate_wake();
1563 seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq);
1564 seq_wait(ofproto->pins_seq, ofproto->pins_seqno);
1568 type_get_memory_usage(const char *type, struct simap *usage)
1570 struct dpif_backer *backer;
1572 backer = shash_find_data(&all_dpif_backers, type);
1574 udpif_get_memory_usage(backer->udpif, usage);
1579 flush(struct ofproto *ofproto_)
1581 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1582 struct dpif_backer *backer = ofproto->backer;
1585 udpif_flush(backer->udpif);
1590 query_tables(struct ofproto *ofproto,
1591 struct ofputil_table_features *features,
1592 struct ofputil_table_stats *stats)
1594 strcpy(features->name, "classifier");
1599 for (i = 0; i < ofproto->n_tables; i++) {
1600 unsigned long missed, matched;
1602 atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
1603 atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
1605 stats[i].matched_count = matched;
1606 stats[i].lookup_count = matched + missed;
1612 set_tables_version(struct ofproto *ofproto_, long long version)
1614 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1616 atomic_store_relaxed(&ofproto->tables_version, version);
1620 static struct ofport *
1623 struct ofport_dpif *port = xzalloc(sizeof *port);
1628 port_dealloc(struct ofport *port_)
1630 struct ofport_dpif *port = ofport_dpif_cast(port_);
1635 port_construct(struct ofport *port_)
1637 struct ofport_dpif *port = ofport_dpif_cast(port_);
1638 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1639 const struct netdev *netdev = port->up.netdev;
1640 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1641 const char *dp_port_name;
1642 struct dpif_port dpif_port;
1645 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1646 port->bundle = NULL;
1650 port->may_enable = false;
1651 port->stp_port = NULL;
1652 port->stp_state = STP_DISABLED;
1653 port->rstp_port = NULL;
1654 port->rstp_state = RSTP_DISABLED;
1655 port->is_tunnel = false;
1659 port->realdev_ofp_port = 0;
1660 port->vlandev_vid = 0;
1661 port->carrier_seq = netdev_get_carrier_resets(netdev);
1662 port->is_layer3 = netdev_vport_is_layer3(netdev);
1664 if (netdev_vport_is_patch(netdev)) {
1665 /* By bailing out here, we don't submit the port to the sFlow module
1666 * to be considered for counter polling export. This is correct
1667 * because the patch port represents an interface that sFlow considers
1668 * to be "internal" to the switch as a whole, and therefore not a
1669 * candidate for counter polling. */
1670 port->odp_port = ODPP_NONE;
1671 ofport_update_peer(port);
1675 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1676 error = dpif_port_query_by_name(ofproto->backer->dpif, dp_port_name,
1682 port->odp_port = dpif_port.port_no;
1684 if (netdev_get_tunnel_config(netdev)) {
1685 atomic_count_inc(&ofproto->backer->tnl_count);
1686 error = tnl_port_add(port, port->up.netdev, port->odp_port,
1687 ovs_native_tunneling_is_on(ofproto), dp_port_name);
1689 atomic_count_dec(&ofproto->backer->tnl_count);
1690 dpif_port_destroy(&dpif_port);
1694 port->is_tunnel = true;
1695 if (ofproto->ipfix) {
1696 dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
1699 /* Sanity-check that a mapping doesn't already exist. This
1700 * shouldn't happen for non-tunnel ports. */
1701 if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
1702 VLOG_ERR("port %s already has an OpenFlow port number",
1704 dpif_port_destroy(&dpif_port);
1708 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1709 hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
1710 hash_odp_port(port->odp_port));
1711 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1713 dpif_port_destroy(&dpif_port);
1715 if (ofproto->sflow) {
1716 dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
1723 port_destruct(struct ofport *port_)
1725 struct ofport_dpif *port = ofport_dpif_cast(port_);
1726 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1727 const char *devname = netdev_get_name(port->up.netdev);
1728 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1729 const char *dp_port_name;
1731 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1733 xlate_ofport_remove(port);
1736 dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf,
1738 if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
1739 /* The underlying device is still there, so delete it. This
1740 * happens when the ofproto is being destroyed, since the caller
1741 * assumes that removal of attached ports will happen as part of
1743 if (!port->is_tunnel) {
1744 dpif_port_del(ofproto->backer->dpif, port->odp_port);
1749 port->peer->peer = NULL;
1753 if (port->odp_port != ODPP_NONE && !port->is_tunnel) {
1754 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1755 hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
1756 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1759 if (port->is_tunnel) {
1760 atomic_count_dec(&ofproto->backer->tnl_count);
1763 if (port->is_tunnel && ofproto->ipfix) {
1764 dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
1768 sset_find_and_delete(&ofproto->ports, devname);
1769 sset_find_and_delete(&ofproto->ghost_ports, devname);
1770 bundle_remove(port_);
1771 set_cfm(port_, NULL);
1772 set_bfd(port_, NULL);
1773 set_lldp(port_, NULL);
1774 if (port->stp_port) {
1775 stp_port_disable(port->stp_port);
1777 set_rstp_port(port_, NULL);
1778 if (ofproto->sflow) {
1779 dpif_sflow_del_port(ofproto->sflow, port->odp_port);
1786 port_modified(struct ofport *port_)
1788 struct ofport_dpif *port = ofport_dpif_cast(port_);
1789 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1790 const char *dp_port_name;
1791 struct netdev *netdev = port->up.netdev;
1793 if (port->bundle && port->bundle->bond) {
1794 bond_slave_set_netdev(port->bundle->bond, port, netdev);
1798 cfm_set_netdev(port->cfm, netdev);
1802 bfd_set_netdev(port->bfd, netdev);
1805 ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
1806 port->lldp, port->up.pp.hw_addr);
1808 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1810 if (port->is_tunnel) {
1811 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1813 if (tnl_port_reconfigure(port, netdev, port->odp_port,
1814 ovs_native_tunneling_is_on(ofproto),
1816 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1820 ofport_update_peer(port);
1824 port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config)
1826 struct ofport_dpif *port = ofport_dpif_cast(port_);
1827 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1828 enum ofputil_port_config changed = old_config ^ port->up.pp.config;
1830 if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
1831 OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
1832 OFPUTIL_PC_NO_PACKET_IN)) {
1833 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1835 if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
1836 bundle_update(port->bundle);
1842 set_sflow(struct ofproto *ofproto_,
1843 const struct ofproto_sflow_options *sflow_options)
1845 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1846 struct dpif_sflow *ds = ofproto->sflow;
1848 if (sflow_options) {
1849 uint32_t old_probability = ds ? dpif_sflow_get_probability(ds) : 0;
1851 struct ofport_dpif *ofport;
1853 ds = ofproto->sflow = dpif_sflow_create();
1854 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1855 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
1858 dpif_sflow_set_options(ds, sflow_options);
1859 if (dpif_sflow_get_probability(ds) != old_probability) {
1860 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1864 dpif_sflow_unref(ds);
1865 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1866 ofproto->sflow = NULL;
1874 struct ofproto *ofproto_,
1875 const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
1876 const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
1877 size_t n_flow_exporters_options)
1879 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1880 struct dpif_ipfix *di = ofproto->ipfix;
1881 bool has_options = bridge_exporter_options || flow_exporters_options;
1882 bool new_di = false;
1884 if (has_options && !di) {
1885 di = ofproto->ipfix = dpif_ipfix_create();
1890 /* Call set_options in any case to cleanly flush the flow
1891 * caches in the last exporters that are to be destroyed. */
1892 dpif_ipfix_set_options(
1893 di, bridge_exporter_options, flow_exporters_options,
1894 n_flow_exporters_options);
1896 /* Add tunnel ports only when a new ipfix created */
1897 if (new_di == true) {
1898 struct ofport_dpif *ofport;
1899 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1900 if (ofport->is_tunnel == true) {
1901 dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
1907 dpif_ipfix_unref(di);
1908 ofproto->ipfix = NULL;
1916 set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
1918 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1919 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
1920 struct cfm *old = ofport->cfm;
1925 ofport->cfm = cfm_create(ofport->up.netdev);
1928 if (cfm_configure(ofport->cfm, s)) {
1935 cfm_unref(ofport->cfm);
1938 if (ofport->cfm != old) {
1939 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1941 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1942 ofport->lldp, ofport->up.pp.hw_addr);
1947 cfm_status_changed(struct ofport *ofport_)
1949 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1951 return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true;
1955 get_cfm_status(const struct ofport *ofport_,
1956 struct cfm_status *status)
1958 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1962 cfm_get_status(ofport->cfm, status);
1971 set_bfd(struct ofport *ofport_, const struct smap *cfg)
1973 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
1974 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1978 ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev),
1979 cfg, ofport->up.netdev);
1980 if (ofport->bfd != old) {
1981 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1983 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1984 ofport->lldp, ofport->up.pp.hw_addr);
1989 bfd_status_changed(struct ofport *ofport_)
1991 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1993 return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true;
1997 get_bfd_status(struct ofport *ofport_, struct smap *smap)
1999 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2003 bfd_get_status(ofport->bfd, smap);
2012 set_lldp(struct ofport *ofport_,
2013 const struct smap *cfg)
2015 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2019 if (!ofport->lldp) {
2020 struct ofproto_dpif *ofproto;
2022 ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2023 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2024 ofport->lldp = lldp_create(ofport->up.netdev, ofport_->mtu, cfg);
2027 if (!lldp_configure(ofport->lldp, cfg)) {
2032 lldp_unref(ofport->lldp);
2033 ofport->lldp = NULL;
2036 ofproto_dpif_monitor_port_update(ofport,
2040 ofport->up.pp.hw_addr);
2045 get_lldp_status(const struct ofport *ofport_,
2046 struct lldp_status *status OVS_UNUSED)
2048 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2050 return ofport->lldp ? true : false;
2054 set_aa(struct ofproto *ofproto OVS_UNUSED,
2055 const struct aa_settings *s)
2057 return aa_configure(s);
2061 aa_mapping_set(struct ofproto *ofproto_ OVS_UNUSED, void *aux,
2062 const struct aa_mapping_settings *s)
2064 return aa_mapping_register(aux, s);
2068 aa_mapping_unset(struct ofproto *ofproto OVS_UNUSED, void *aux)
2070 return aa_mapping_unregister(aux);
2074 aa_vlan_get_queued(struct ofproto *ofproto OVS_UNUSED, struct ovs_list *list)
2076 return aa_get_vlan_queued(list);
2080 aa_vlan_get_queue_size(struct ofproto *ofproto OVS_UNUSED)
2082 return aa_get_vlan_queue_size();
2086 /* Spanning Tree. */
2088 /* Called while rstp_mutex is held. */
2090 rstp_send_bpdu_cb(struct dp_packet *pkt, void *ofport_, void *ofproto_)
2092 struct ofproto_dpif *ofproto = ofproto_;
2093 struct ofport_dpif *ofport = ofport_;
2094 struct eth_header *eth = dp_packet_l2(pkt);
2096 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2097 if (eth_addr_is_zero(eth->eth_src)) {
2098 VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
2099 "does not have a configured source MAC address.",
2100 ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
2102 ofproto_dpif_send_packet(ofport, pkt);
2104 dp_packet_delete(pkt);
2108 send_bpdu_cb(struct dp_packet *pkt, int port_num, void *ofproto_)
2110 struct ofproto_dpif *ofproto = ofproto_;
2111 struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
2112 struct ofport_dpif *ofport;
2114 ofport = stp_port_get_aux(sp);
2116 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
2117 ofproto->up.name, port_num);
2119 struct eth_header *eth = dp_packet_l2(pkt);
2121 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2122 if (eth_addr_is_zero(eth->eth_src)) {
2123 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
2124 "with unknown MAC", ofproto->up.name, port_num);
2126 ofproto_dpif_send_packet(ofport, pkt);
2129 dp_packet_delete(pkt);
2132 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2134 set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
2136 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2138 /* Only revalidate flows if the configuration changed. */
2139 if (!s != !ofproto->rstp) {
2140 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2144 if (!ofproto->rstp) {
2145 ofproto->rstp = rstp_create(ofproto_->name, s->address,
2146 rstp_send_bpdu_cb, ofproto);
2147 ofproto->rstp_last_tick = time_msec();
2149 rstp_set_bridge_address(ofproto->rstp, s->address);
2150 rstp_set_bridge_priority(ofproto->rstp, s->priority);
2151 rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
2152 rstp_set_bridge_force_protocol_version(ofproto->rstp,
2153 s->force_protocol_version);
2154 rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
2155 rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
2156 rstp_set_bridge_transmit_hold_count(ofproto->rstp,
2157 s->transmit_hold_count);
2159 struct ofport *ofport;
2160 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2161 set_rstp_port(ofport, NULL);
2163 rstp_unref(ofproto->rstp);
2164 ofproto->rstp = NULL;
2169 get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
2171 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2173 if (ofproto->rstp) {
2175 s->root_id = rstp_get_root_id(ofproto->rstp);
2176 s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
2177 s->designated_id = rstp_get_designated_id(ofproto->rstp);
2178 s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
2179 s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
2180 s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
2187 update_rstp_port_state(struct ofport_dpif *ofport)
2189 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2190 enum rstp_state state;
2192 /* Figure out new state. */
2193 state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
2197 if (ofport->rstp_state != state) {
2198 enum ofputil_port_state of_state;
2201 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2202 netdev_get_name(ofport->up.netdev),
2203 rstp_state_name(ofport->rstp_state),
2204 rstp_state_name(state));
2206 if (rstp_learn_in_state(ofport->rstp_state)
2207 != rstp_learn_in_state(state)) {
2208 /* XXX: Learning action flows should also be flushed. */
2209 if (ofport->bundle) {
2210 if (!rstp_shift_root_learned_address(ofproto->rstp)
2211 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2212 bundle_flush_macs(ofport->bundle, false);
2216 fwd_change = rstp_forward_in_state(ofport->rstp_state)
2217 != rstp_forward_in_state(state);
2219 ofproto->backer->need_revalidate = REV_RSTP;
2220 ofport->rstp_state = state;
2222 if (fwd_change && ofport->bundle) {
2223 bundle_update(ofport->bundle);
2226 /* Update the RSTP state bits in the OpenFlow port description. */
2227 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2228 of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
2229 : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2230 : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN
2232 ofproto_port_set_state(&ofport->up, of_state);
2237 rstp_run(struct ofproto_dpif *ofproto)
2239 if (ofproto->rstp) {
2240 long long int now = time_msec();
2241 long long int elapsed = now - ofproto->rstp_last_tick;
2242 struct rstp_port *rp;
2243 struct ofport_dpif *ofport;
2245 /* Every second, decrease the values of the timers. */
2246 if (elapsed >= 1000) {
2247 rstp_tick_timers(ofproto->rstp);
2248 ofproto->rstp_last_tick = now;
2251 while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
2252 update_rstp_port_state(ofport);
2256 /* FIXME: This check should be done on-event (i.e., when setting
2257 * p->fdb_flush) and not periodically.
2259 while ((ofport = rstp_check_and_reset_fdb_flush(ofproto->rstp, &rp))) {
2260 if (!rstp_shift_root_learned_address(ofproto->rstp)
2261 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2262 bundle_flush_macs(ofport->bundle, false);
2266 if (rstp_shift_root_learned_address(ofproto->rstp)) {
2267 bundle_move(((struct ofport_dpif *)rstp_get_old_root_aux(ofproto->rstp))->bundle,
2268 ((struct ofport_dpif *)rstp_get_new_root_aux(ofproto->rstp))->bundle);
2269 rstp_reset_root_changed(ofproto->rstp);
2274 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2276 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
2278 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2280 /* Only revalidate flows if the configuration changed. */
2281 if (!s != !ofproto->stp) {
2282 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2286 if (!ofproto->stp) {
2287 ofproto->stp = stp_create(ofproto_->name, s->system_id,
2288 send_bpdu_cb, ofproto);
2289 ofproto->stp_last_tick = time_msec();
2292 stp_set_bridge_id(ofproto->stp, s->system_id);
2293 stp_set_bridge_priority(ofproto->stp, s->priority);
2294 stp_set_hello_time(ofproto->stp, s->hello_time);
2295 stp_set_max_age(ofproto->stp, s->max_age);
2296 stp_set_forward_delay(ofproto->stp, s->fwd_delay);
2298 struct ofport *ofport;
2300 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2301 set_stp_port(ofport, NULL);
2304 stp_unref(ofproto->stp);
2305 ofproto->stp = NULL;
2312 get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
2314 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2318 s->bridge_id = stp_get_bridge_id(ofproto->stp);
2319 s->designated_root = stp_get_designated_root(ofproto->stp);
2320 s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
2329 update_stp_port_state(struct ofport_dpif *ofport)
2331 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2332 enum stp_state state;
2334 /* Figure out new state. */
2335 state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
2339 if (ofport->stp_state != state) {
2340 enum ofputil_port_state of_state;
2343 VLOG_DBG("port %s: STP state changed from %s to %s",
2344 netdev_get_name(ofport->up.netdev),
2345 stp_state_name(ofport->stp_state),
2346 stp_state_name(state));
2347 if (stp_learn_in_state(ofport->stp_state)
2348 != stp_learn_in_state(state)) {
2349 /* xxx Learning action flows should also be flushed. */
2350 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2351 mac_learning_flush(ofproto->ml);
2352 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2353 mcast_snooping_mdb_flush(ofproto->ms);
2355 fwd_change = stp_forward_in_state(ofport->stp_state)
2356 != stp_forward_in_state(state);
2358 ofproto->backer->need_revalidate = REV_STP;
2359 ofport->stp_state = state;
2360 ofport->stp_state_entered = time_msec();
2362 if (fwd_change && ofport->bundle) {
2363 bundle_update(ofport->bundle);
2366 /* Update the STP state bits in the OpenFlow port description. */
2367 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2368 of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN
2369 : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN
2370 : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2371 : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK
2373 ofproto_port_set_state(&ofport->up, of_state);
2377 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2378 * caller is responsible for assigning STP port numbers and ensuring
2379 * there are no duplicates. */
2381 set_stp_port(struct ofport *ofport_,
2382 const struct ofproto_port_stp_settings *s)
2384 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2385 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2386 struct stp_port *sp = ofport->stp_port;
2388 if (!s || !s->enable) {
2390 ofport->stp_port = NULL;
2391 stp_port_disable(sp);
2392 update_stp_port_state(ofport);
2395 } else if (sp && stp_port_no(sp) != s->port_num
2396 && ofport == stp_port_get_aux(sp)) {
2397 /* The port-id changed, so disable the old one if it's not
2398 * already in use by another port. */
2399 stp_port_disable(sp);
2402 sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
2404 /* Set name before enabling the port so that debugging messages can print
2406 stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
2407 stp_port_enable(sp);
2409 stp_port_set_aux(sp, ofport);
2410 stp_port_set_priority(sp, s->priority);
2411 stp_port_set_path_cost(sp, s->path_cost);
2413 update_stp_port_state(ofport);
2419 get_stp_port_status(struct ofport *ofport_,
2420 struct ofproto_port_stp_status *s)
2422 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2423 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2424 struct stp_port *sp = ofport->stp_port;
2426 if (!ofproto->stp || !sp) {
2432 s->port_id = stp_port_get_id(sp);
2433 s->state = stp_port_get_state(sp);
2434 s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
2435 s->role = stp_port_get_role(sp);
2441 get_stp_port_stats(struct ofport *ofport_,
2442 struct ofproto_port_stp_stats *s)
2444 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2445 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2446 struct stp_port *sp = ofport->stp_port;
2448 if (!ofproto->stp || !sp) {
2454 stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
2460 stp_run(struct ofproto_dpif *ofproto)
2463 long long int now = time_msec();
2464 long long int elapsed = now - ofproto->stp_last_tick;
2465 struct stp_port *sp;
2468 stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
2469 ofproto->stp_last_tick = now;
2471 while (stp_get_changed_port(ofproto->stp, &sp)) {
2472 struct ofport_dpif *ofport = stp_port_get_aux(sp);
2475 update_stp_port_state(ofport);
2479 if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
2480 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2481 mac_learning_flush(ofproto->ml);
2482 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2483 mcast_snooping_mdb_flush(ofproto->ms);
2489 stp_wait(struct ofproto_dpif *ofproto)
2492 poll_timer_wait(1000);
2496 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2497 * caller is responsible for assigning RSTP port numbers and ensuring
2498 * there are no duplicates. */
2500 set_rstp_port(struct ofport *ofport_,
2501 const struct ofproto_port_rstp_settings *s)
2503 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2504 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2505 struct rstp_port *rp = ofport->rstp_port;
2507 if (!s || !s->enable) {
2509 rstp_port_unref(rp);
2510 ofport->rstp_port = NULL;
2511 update_rstp_port_state(ofport);
2516 /* Check if need to add a new port. */
2518 rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
2521 rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
2522 s->admin_edge_port, s->auto_edge,
2523 s->admin_p2p_mac_state, s->admin_port_state, s->mcheck,
2525 update_rstp_port_state(ofport);
2526 /* Synchronize operational status. */
2527 rstp_port_set_mac_operational(rp, ofport->may_enable);
2531 get_rstp_port_status(struct ofport *ofport_,
2532 struct ofproto_port_rstp_status *s)
2534 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2535 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2536 struct rstp_port *rp = ofport->rstp_port;
2538 if (!ofproto->rstp || !rp) {
2544 rstp_port_get_status(rp, &s->port_id, &s->state, &s->role,
2545 &s->designated_bridge_id, &s->designated_port_id,
2546 &s->designated_path_cost, &s->tx_count,
2547 &s->rx_count, &s->error_count, &s->uptime);
2552 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
2555 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2556 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2558 if (ofport->n_qdscp != n_qdscp
2559 || (n_qdscp && memcmp(ofport->qdscp, qdscp,
2560 n_qdscp * sizeof *qdscp))) {
2561 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2562 free(ofport->qdscp);
2563 ofport->qdscp = n_qdscp
2564 ? xmemdup(qdscp, n_qdscp * sizeof *qdscp)
2566 ofport->n_qdscp = n_qdscp;
2574 /* Expires all MAC learning entries associated with 'bundle' and forces its
2575 * ofproto to revalidate every flow.
2577 * Normally MAC learning entries are removed only from the ofproto associated
2578 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2579 * are removed from every ofproto. When patch ports and SLB bonds are in use
2580 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2581 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2582 * with the host from which it migrated. */
2584 bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
2586 struct ofproto_dpif *ofproto = bundle->ofproto;
2587 struct mac_learning *ml = ofproto->ml;
2588 struct mac_entry *mac, *next_mac;
2590 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2591 ovs_rwlock_wrlock(&ml->rwlock);
2592 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2593 if (mac_entry_get_port(ml, mac) == bundle) {
2595 struct ofproto_dpif *o;
2597 HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
2599 struct mac_entry *e;
2601 ovs_rwlock_wrlock(&o->ml->rwlock);
2602 e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
2604 mac_learning_expire(o->ml, e);
2606 ovs_rwlock_unlock(&o->ml->rwlock);
2611 mac_learning_expire(ml, mac);
2614 ovs_rwlock_unlock(&ml->rwlock);
2618 bundle_move(struct ofbundle *old, struct ofbundle *new)
2620 struct ofproto_dpif *ofproto = old->ofproto;
2621 struct mac_learning *ml = ofproto->ml;
2622 struct mac_entry *mac, *next_mac;
2624 ovs_assert(new->ofproto == old->ofproto);
2626 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2627 ovs_rwlock_wrlock(&ml->rwlock);
2628 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2629 if (mac_entry_get_port(ml, mac) == old) {
2630 mac_entry_set_port(ml, mac, new);
2633 ovs_rwlock_unlock(&ml->rwlock);
2636 static struct ofbundle *
2637 bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
2639 struct ofbundle *bundle;
2641 HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0),
2642 &ofproto->bundles) {
2643 if (bundle->aux == aux) {
2651 bundle_update(struct ofbundle *bundle)
2653 struct ofport_dpif *port;
2655 bundle->floodable = true;
2656 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2657 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2659 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2660 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2661 bundle->floodable = false;
2668 bundle_del_port(struct ofport_dpif *port)
2670 struct ofbundle *bundle = port->bundle;
2672 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2674 list_remove(&port->bundle_node);
2675 port->bundle = NULL;
2678 lacp_slave_unregister(bundle->lacp, port);
2681 bond_slave_unregister(bundle->bond, port);
2684 bundle_update(bundle);
2688 bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port,
2689 struct lacp_slave_settings *lacp)
2691 struct ofport_dpif *port;
2693 port = ofp_port_to_ofport(bundle->ofproto, ofp_port);
2698 if (port->bundle != bundle) {
2699 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2701 bundle_remove(&port->up);
2704 port->bundle = bundle;
2705 list_push_back(&bundle->ports, &port->bundle_node);
2706 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2708 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2709 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2710 bundle->floodable = false;
2714 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2715 lacp_slave_register(bundle->lacp, port, lacp);
2722 bundle_destroy(struct ofbundle *bundle)
2724 struct ofproto_dpif *ofproto;
2725 struct ofport_dpif *port, *next_port;
2731 ofproto = bundle->ofproto;
2732 mbridge_unregister_bundle(ofproto->mbridge, bundle);
2735 xlate_bundle_remove(bundle);
2738 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2739 bundle_del_port(port);
2742 bundle_flush_macs(bundle, true);
2743 hmap_remove(&ofproto->bundles, &bundle->hmap_node);
2745 free(bundle->trunks);
2746 lacp_unref(bundle->lacp);
2747 bond_unref(bundle->bond);
2752 bundle_set(struct ofproto *ofproto_, void *aux,
2753 const struct ofproto_bundle_settings *s)
2755 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2756 bool need_flush = false;
2757 struct ofport_dpif *port;
2758 struct ofbundle *bundle;
2759 unsigned long *trunks;
2765 bundle_destroy(bundle_lookup(ofproto, aux));
2769 ovs_assert(s->n_slaves == 1 || s->bond != NULL);
2770 ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL));
2772 bundle = bundle_lookup(ofproto, aux);
2774 bundle = xmalloc(sizeof *bundle);
2776 bundle->ofproto = ofproto;
2777 hmap_insert(&ofproto->bundles, &bundle->hmap_node,
2778 hash_pointer(aux, 0));
2780 bundle->name = NULL;
2782 list_init(&bundle->ports);
2783 bundle->vlan_mode = PORT_VLAN_TRUNK;
2785 bundle->trunks = NULL;
2786 bundle->use_priority_tags = s->use_priority_tags;
2787 bundle->lacp = NULL;
2788 bundle->bond = NULL;
2790 bundle->floodable = true;
2791 mbridge_register_bundle(ofproto->mbridge, bundle);
2794 if (!bundle->name || strcmp(s->name, bundle->name)) {
2796 bundle->name = xstrdup(s->name);
2801 ofproto->lacp_enabled = true;
2802 if (!bundle->lacp) {
2803 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2804 bundle->lacp = lacp_create();
2806 lacp_configure(bundle->lacp, s->lacp);
2808 lacp_unref(bundle->lacp);
2809 bundle->lacp = NULL;
2812 /* Update set of ports. */
2814 for (i = 0; i < s->n_slaves; i++) {
2815 if (!bundle_add_port(bundle, s->slaves[i],
2816 s->lacp ? &s->lacp_slaves[i] : NULL)) {
2820 if (!ok || list_size(&bundle->ports) != s->n_slaves) {
2821 struct ofport_dpif *next_port;
2823 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2824 for (i = 0; i < s->n_slaves; i++) {
2825 if (s->slaves[i] == port->up.ofp_port) {
2830 bundle_del_port(port);
2834 ovs_assert(list_size(&bundle->ports) <= s->n_slaves);
2836 if (list_is_empty(&bundle->ports)) {
2837 bundle_destroy(bundle);
2841 /* Set VLAN tagging mode */
2842 if (s->vlan_mode != bundle->vlan_mode
2843 || s->use_priority_tags != bundle->use_priority_tags) {
2844 bundle->vlan_mode = s->vlan_mode;
2845 bundle->use_priority_tags = s->use_priority_tags;
2850 vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1
2851 : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan
2853 if (vlan != bundle->vlan) {
2854 bundle->vlan = vlan;
2858 /* Get trunked VLANs. */
2859 switch (s->vlan_mode) {
2860 case PORT_VLAN_ACCESS:
2864 case PORT_VLAN_TRUNK:
2865 trunks = CONST_CAST(unsigned long *, s->trunks);
2868 case PORT_VLAN_NATIVE_UNTAGGED:
2869 case PORT_VLAN_NATIVE_TAGGED:
2870 if (vlan != 0 && (!s->trunks
2871 || !bitmap_is_set(s->trunks, vlan)
2872 || bitmap_is_set(s->trunks, 0))) {
2873 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2875 trunks = bitmap_clone(s->trunks, 4096);
2877 trunks = bitmap_allocate1(4096);
2879 bitmap_set1(trunks, vlan);
2880 bitmap_set0(trunks, 0);
2882 trunks = CONST_CAST(unsigned long *, s->trunks);
2889 if (!vlan_bitmap_equal(trunks, bundle->trunks)) {
2890 free(bundle->trunks);
2891 if (trunks == s->trunks) {
2892 bundle->trunks = vlan_bitmap_clone(trunks);
2894 bundle->trunks = trunks;
2899 if (trunks != s->trunks) {
2904 if (!list_is_short(&bundle->ports)) {
2905 bundle->ofproto->has_bonded_bundles = true;
2907 if (bond_reconfigure(bundle->bond, s->bond)) {
2908 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2911 bundle->bond = bond_create(s->bond, ofproto);
2912 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2915 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2916 bond_slave_register(bundle->bond, port,
2917 port->up.ofp_port, port->up.netdev);
2920 bond_unref(bundle->bond);
2921 bundle->bond = NULL;
2924 /* If we changed something that would affect MAC learning, un-learn
2925 * everything on this port and force flow revalidation. */
2927 bundle_flush_macs(bundle, false);
2934 bundle_remove(struct ofport *port_)
2936 struct ofport_dpif *port = ofport_dpif_cast(port_);
2937 struct ofbundle *bundle = port->bundle;
2940 bundle_del_port(port);
2941 if (list_is_empty(&bundle->ports)) {
2942 bundle_destroy(bundle);
2943 } else if (list_is_short(&bundle->ports)) {
2944 bond_unref(bundle->bond);
2945 bundle->bond = NULL;
2951 send_pdu_cb(void *port_, const void *pdu, size_t pdu_size)
2953 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
2954 struct ofport_dpif *port = port_;
2955 uint8_t ea[ETH_ADDR_LEN];
2958 error = netdev_get_etheraddr(port->up.netdev, ea);
2960 struct dp_packet packet;
2963 dp_packet_init(&packet, 0);
2964 packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
2966 memcpy(packet_pdu, pdu, pdu_size);
2968 ofproto_dpif_send_packet(port, &packet);
2969 dp_packet_uninit(&packet);
2971 VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
2972 "%s (%s)", port->bundle->name,
2973 netdev_get_name(port->up.netdev), ovs_strerror(error));
2978 bundle_send_learning_packets(struct ofbundle *bundle)
2980 struct ofproto_dpif *ofproto = bundle->ofproto;
2981 int error, n_packets, n_errors;
2982 struct mac_entry *e;
2984 struct ovs_list list_node;
2985 struct ofport_dpif *port;
2986 struct dp_packet *pkt;
2988 struct ovs_list packets;
2990 list_init(&packets);
2991 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
2992 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
2993 if (mac_entry_get_port(ofproto->ml, e) != bundle) {
2994 pkt_node = xmalloc(sizeof *pkt_node);
2995 pkt_node->pkt = bond_compose_learning_packet(bundle->bond,
2997 (void **)&pkt_node->port);
2998 list_push_back(&packets, &pkt_node->list_node);
3001 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3003 error = n_packets = n_errors = 0;
3004 LIST_FOR_EACH_POP (pkt_node, list_node, &packets) {
3007 ret = ofproto_dpif_send_packet(pkt_node->port, pkt_node->pkt);
3008 dp_packet_delete(pkt_node->pkt);
3018 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3019 VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
3020 "packets, last error was: %s",
3021 bundle->name, n_errors, n_packets, ovs_strerror(error));
3023 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3024 bundle->name, n_packets);
3029 bundle_run(struct ofbundle *bundle)
3032 lacp_run(bundle->lacp, send_pdu_cb);
3035 struct ofport_dpif *port;
3037 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
3038 bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
3041 if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
3042 bundle->ofproto->backer->need_revalidate = REV_BOND;
3045 if (bond_should_send_learning_packets(bundle->bond)) {
3046 bundle_send_learning_packets(bundle);
3052 bundle_wait(struct ofbundle *bundle)
3055 lacp_wait(bundle->lacp);
3058 bond_wait(bundle->bond);
3065 mirror_set__(struct ofproto *ofproto_, void *aux,
3066 const struct ofproto_mirror_settings *s)
3068 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3069 struct ofbundle **srcs, **dsts;
3074 mirror_destroy(ofproto->mbridge, aux);
3078 srcs = xmalloc(s->n_srcs * sizeof *srcs);
3079 dsts = xmalloc(s->n_dsts * sizeof *dsts);
3081 for (i = 0; i < s->n_srcs; i++) {
3082 srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
3085 for (i = 0; i < s->n_dsts; i++) {
3086 dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
3089 error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
3090 s->n_dsts, s->src_vlans,
3091 bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
3098 mirror_get_stats__(struct ofproto *ofproto, void *aux,
3099 uint64_t *packets, uint64_t *bytes)
3101 return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
3106 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
3108 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3109 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3110 if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
3111 mac_learning_flush(ofproto->ml);
3113 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3118 is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
3120 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3121 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3122 return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
3126 forward_bpdu_changed(struct ofproto *ofproto_)
3128 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3129 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3133 set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
3136 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3137 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3138 mac_learning_set_idle_time(ofproto->ml, idle_time);
3139 mac_learning_set_max_entries(ofproto->ml, max_entries);
3140 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3143 /* Configures multicast snooping on 'ofport' using the settings
3144 * defined in 's'. */
3146 set_mcast_snooping(struct ofproto *ofproto_,
3147 const struct ofproto_mcast_snooping_settings *s)
3149 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3151 /* Only revalidate flows if the configuration changed. */
3152 if (!s != !ofproto->ms) {
3153 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3158 ofproto->ms = mcast_snooping_create();
3161 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3162 mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
3163 mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
3164 if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
3165 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3167 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3169 mcast_snooping_unref(ofproto->ms);
3176 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3178 set_mcast_snooping_port(struct ofproto *ofproto_, void *aux,
3179 const struct ofproto_mcast_snooping_port_settings *s)
3181 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3182 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3184 if (ofproto->ms && s) {
3185 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3186 mcast_snooping_set_port_flood(ofproto->ms, bundle, s->flood);
3187 mcast_snooping_set_port_flood_reports(ofproto->ms, bundle,
3189 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3197 struct ofport_dpif *
3198 ofp_port_to_ofport(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
3200 struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port);
3201 return ofport ? ofport_dpif_cast(ofport) : NULL;
3205 ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto,
3206 struct ofproto_port *ofproto_port,
3207 struct dpif_port *dpif_port)
3209 ofproto_port->name = dpif_port->name;
3210 ofproto_port->type = dpif_port->type;
3211 ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
3215 ofport_update_peer(struct ofport_dpif *ofport)
3217 const struct ofproto_dpif *ofproto;
3218 struct dpif_backer *backer;
3221 if (!netdev_vport_is_patch(ofport->up.netdev)) {
3225 backer = ofproto_dpif_cast(ofport->up.ofproto)->backer;
3226 backer->need_revalidate = REV_RECONFIGURE;
3229 ofport->peer->peer = NULL;
3230 ofport->peer = NULL;
3233 peer_name = netdev_vport_patch_peer(ofport->up.netdev);
3238 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
3239 struct ofport *peer_ofport;
3240 struct ofport_dpif *peer;
3243 if (ofproto->backer != backer) {
3247 peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name);
3252 peer = ofport_dpif_cast(peer_ofport);
3253 peer_peer = netdev_vport_patch_peer(peer->up.netdev);
3254 if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev),
3256 ofport->peer = peer;
3257 ofport->peer->peer = ofport;
3267 port_run(struct ofport_dpif *ofport)
3269 long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev);
3270 bool carrier_changed = carrier_seq != ofport->carrier_seq;
3271 bool enable = netdev_get_carrier(ofport->up.netdev);
3272 bool cfm_enable = false;
3273 bool bfd_enable = false;
3275 ofport->carrier_seq = carrier_seq;
3278 int cfm_opup = cfm_get_opup(ofport->cfm);
3280 cfm_enable = !cfm_get_fault(ofport->cfm);
3282 if (cfm_opup >= 0) {
3283 cfm_enable = cfm_enable && cfm_opup;
3288 bfd_enable = bfd_forwarding(ofport->bfd);
3291 if (ofport->bfd || ofport->cfm) {
3292 enable = enable && (cfm_enable || bfd_enable);
3295 if (ofport->bundle) {
3296 enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
3297 if (carrier_changed) {
3298 lacp_slave_carrier_changed(ofport->bundle->lacp, ofport);
3302 if (ofport->may_enable != enable) {
3303 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3305 ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
3307 if (ofport->rstp_port) {
3308 rstp_port_set_mac_operational(ofport->rstp_port, enable);
3312 ofport->may_enable = enable;
3316 port_query_by_name(const struct ofproto *ofproto_, const char *devname,
3317 struct ofproto_port *ofproto_port)
3319 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3320 struct dpif_port dpif_port;
3323 if (sset_contains(&ofproto->ghost_ports, devname)) {
3324 const char *type = netdev_get_type_from_name(devname);
3326 /* We may be called before ofproto->up.port_by_name is populated with
3327 * the appropriate ofport. For this reason, we must get the name and
3328 * type from the netdev layer directly. */
3330 const struct ofport *ofport;
3332 ofport = shash_find_data(&ofproto->up.port_by_name, devname);
3333 ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
3334 ofproto_port->name = xstrdup(devname);
3335 ofproto_port->type = xstrdup(type);
3341 if (!sset_contains(&ofproto->ports, devname)) {
3344 error = dpif_port_query_by_name(ofproto->backer->dpif,
3345 devname, &dpif_port);
3347 ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port);
3353 port_add(struct ofproto *ofproto_, struct netdev *netdev)
3355 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3356 const char *devname = netdev_get_name(netdev);
3357 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
3358 const char *dp_port_name;
3360 if (netdev_vport_is_patch(netdev)) {
3361 sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
3365 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
3366 if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
3367 odp_port_t port_no = ODPP_NONE;
3370 error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
3374 if (netdev_get_tunnel_config(netdev)) {
3375 simap_put(&ofproto->backer->tnl_backers,
3376 dp_port_name, odp_to_u32(port_no));
3380 if (netdev_get_tunnel_config(netdev)) {
3381 sset_add(&ofproto->ghost_ports, devname);
3383 sset_add(&ofproto->ports, devname);
3389 port_del(struct ofproto *ofproto_, ofp_port_t ofp_port)
3391 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3392 struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
3399 sset_find_and_delete(&ofproto->ghost_ports,
3400 netdev_get_name(ofport->up.netdev));
3401 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3402 if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) {
3403 error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
3405 /* The caller is going to close ofport->up.netdev. If this is a
3406 * bonded port, then the bond is using that netdev, so remove it
3407 * from the bond. The client will need to reconfigure everything
3408 * after deleting ports, so then the slave will get re-added. */
3409 bundle_remove(&ofport->up);
3416 port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
3418 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3421 error = netdev_get_stats(ofport->up.netdev, stats);
3423 if (!error && ofport_->ofp_port == OFPP_LOCAL) {
3424 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3426 ovs_mutex_lock(&ofproto->stats_mutex);
3427 /* ofproto->stats.tx_packets represents packets that we created
3428 * internally and sent to some port (e.g. packets sent with
3429 * ofproto_dpif_send_packet()). Account for them as if they had
3430 * come from OFPP_LOCAL and got forwarded. */
3432 if (stats->rx_packets != UINT64_MAX) {
3433 stats->rx_packets += ofproto->stats.tx_packets;
3436 if (stats->rx_bytes != UINT64_MAX) {
3437 stats->rx_bytes += ofproto->stats.tx_bytes;
3440 /* ofproto->stats.rx_packets represents packets that were received on
3441 * some port and we processed internally and dropped (e.g. STP).
3442 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3444 if (stats->tx_packets != UINT64_MAX) {
3445 stats->tx_packets += ofproto->stats.rx_packets;
3448 if (stats->tx_bytes != UINT64_MAX) {
3449 stats->tx_bytes += ofproto->stats.rx_bytes;
3451 ovs_mutex_unlock(&ofproto->stats_mutex);
3458 port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats)
3460 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3461 if (ofport->bundle && ofport->bundle->lacp) {
3462 if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) {
3469 struct port_dump_state {
3474 struct ofproto_port port;
3479 port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
3481 *statep = xzalloc(sizeof(struct port_dump_state));
3486 port_dump_next(const struct ofproto *ofproto_, void *state_,
3487 struct ofproto_port *port)
3489 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3490 struct port_dump_state *state = state_;
3491 const struct sset *sset;
3492 struct sset_node *node;
3494 if (state->has_port) {
3495 ofproto_port_destroy(&state->port);
3496 state->has_port = false;
3498 sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
3499 while ((node = sset_at_position(sset, &state->bucket, &state->offset))) {
3502 error = port_query_by_name(ofproto_, node->name, &state->port);
3504 *port = state->port;
3505 state->has_port = true;
3507 } else if (error != ENODEV) {
3512 if (!state->ghost) {
3513 state->ghost = true;
3516 return port_dump_next(ofproto_, state_, port);
3523 port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_)
3525 struct port_dump_state *state = state_;
3527 if (state->has_port) {
3528 ofproto_port_destroy(&state->port);
3535 port_poll(const struct ofproto *ofproto_, char **devnamep)
3537 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3539 if (ofproto->port_poll_errno) {
3540 int error = ofproto->port_poll_errno;
3541 ofproto->port_poll_errno = 0;
3545 if (sset_is_empty(&ofproto->port_poll_set)) {
3549 *devnamep = sset_pop(&ofproto->port_poll_set);
3554 port_poll_wait(const struct ofproto *ofproto_)
3556 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3557 dpif_port_poll_wait(ofproto->backer->dpif);
3561 port_is_lacp_current(const struct ofport *ofport_)
3563 const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3564 return (ofport->bundle && ofport->bundle->lacp
3565 ? lacp_slave_is_current(ofport->bundle->lacp, ofport)
3569 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3570 * then delete it entirely. */
3572 rule_expire(struct rule_dpif *rule)
3573 OVS_REQUIRES(ofproto_mutex)
3575 uint16_t hard_timeout, idle_timeout;
3576 long long int now = time_msec();
3579 hard_timeout = rule->up.hard_timeout;
3580 idle_timeout = rule->up.idle_timeout;
3582 /* Has 'rule' expired? */
3584 long long int modified;
3586 ovs_mutex_lock(&rule->up.mutex);
3587 modified = rule->up.modified;
3588 ovs_mutex_unlock(&rule->up.mutex);
3590 if (now > modified + hard_timeout * 1000) {
3591 reason = OFPRR_HARD_TIMEOUT;
3595 if (reason < 0 && idle_timeout) {
3598 ovs_mutex_lock(&rule->stats_mutex);
3599 used = rule->stats.used;
3600 ovs_mutex_unlock(&rule->stats_mutex);
3602 if (now > used + idle_timeout * 1000) {
3603 reason = OFPRR_IDLE_TIMEOUT;
3608 COVERAGE_INC(ofproto_dpif_expired);
3609 ofproto_rule_expire(&rule->up, reason);
3613 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3614 * 'flow' must reflect the data in 'packet'. */
3616 ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
3617 const struct flow *flow,
3618 struct rule_dpif *rule,
3619 const struct ofpact *ofpacts, size_t ofpacts_len,
3620 struct dp_packet *packet)
3622 struct dpif_flow_stats stats;
3623 struct xlate_out xout;
3624 struct xlate_in xin;
3626 struct dpif_execute execute;
3629 ovs_assert((rule != NULL) != (ofpacts != NULL));
3631 dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
3634 rule_dpif_credit_stats(rule, &stats);
3637 xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
3638 stats.tcp_flags, packet);
3639 xin.ofpacts = ofpacts;
3640 xin.ofpacts_len = ofpacts_len;
3641 xin.resubmit_stats = &stats;
3642 xlate_actions(&xin, &xout);
3644 execute.actions = xout.odp_actions->data;
3645 execute.actions_len = xout.odp_actions->size;
3647 pkt_metadata_from_flow(&packet->md, flow);
3648 execute.packet = packet;
3649 execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
3650 execute.probe = false;
3652 /* Fix up in_port. */
3653 in_port = flow->in_port.ofp_port;
3654 if (in_port == OFPP_NONE) {
3655 in_port = OFPP_LOCAL;
3657 execute.packet->md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
3659 error = dpif_execute(ofproto->backer->dpif, &execute);
3661 xlate_out_uninit(&xout);
3667 rule_dpif_credit_stats(struct rule_dpif *rule,
3668 const struct dpif_flow_stats *stats)
3670 ovs_mutex_lock(&rule->stats_mutex);
3671 rule->stats.n_packets += stats->n_packets;
3672 rule->stats.n_bytes += stats->n_bytes;
3673 rule->stats.used = MAX(rule->stats.used, stats->used);
3674 ovs_mutex_unlock(&rule->stats_mutex);
3678 rule_dpif_get_flow_cookie(const struct rule_dpif *rule)
3679 OVS_REQUIRES(rule->up.mutex)
3681 return rule->up.flow_cookie;
3685 rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout,
3686 uint16_t hard_timeout)
3688 ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
3691 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3692 * be read until the calling thread quiesces. */
3693 const struct rule_actions *
3694 rule_dpif_get_actions(const struct rule_dpif *rule)
3696 return rule_get_actions(&rule->up);
3699 /* Sets 'rule''s recirculation id. */
3701 rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
3702 OVS_REQUIRES(rule->up.mutex)
3704 ovs_assert(!rule->recirc_id || rule->recirc_id == id);
3705 if (rule->recirc_id == id) {
3706 /* Release the new reference to the same id. */
3709 rule->recirc_id = id;
3713 /* Sets 'rule''s recirculation id. */
3715 rule_set_recirc_id(struct rule *rule_, uint32_t id)
3717 struct rule_dpif *rule = rule_dpif_cast(rule_);
3719 ovs_mutex_lock(&rule->up.mutex);
3720 rule_dpif_set_recirc_id(rule, id);
3721 ovs_mutex_unlock(&rule->up.mutex);
3725 ofproto_dpif_get_tables_version(struct ofproto_dpif *ofproto)
3729 atomic_read_relaxed(&ofproto->tables_version, &version);
3733 /* The returned rule (if any) is valid at least until the next RCU quiescent
3734 * period. If the rule needs to stay around longer, a non-zero 'take_ref'
3735 * must be passed in to cause a reference to be taken on it.
3737 * 'flow' is non-const to allow for temporary modifications during the lookup.
3738 * Any changes are restored before returning. */
3739 static struct rule_dpif *
3740 rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, long long version,
3741 uint8_t table_id, struct flow *flow,
3742 struct flow_wildcards *wc, bool take_ref)
3744 struct classifier *cls = &ofproto->up.tables[table_id].cls;
3745 const struct cls_rule *cls_rule;
3746 struct rule_dpif *rule;
3749 cls_rule = classifier_lookup(cls, version, flow, wc);
3751 rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
3753 /* Try again if the rule was released before we get the reference. */
3754 } while (rule && take_ref && !rule_dpif_try_ref(rule));
3759 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3760 * Returns the rule that was found, which may be one of the special rules
3761 * according to packet miss hadling. If 'may_packet_in' is false, returning of
3762 * the miss_rule (which issues packet ins for the controller) is avoided.
3763 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3766 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3767 * if none is found then the table miss configuration for that table is
3768 * honored, which can result in additional lookups in other OpenFlow tables.
3769 * In this case the function updates '*table_id' to reflect the final OpenFlow
3770 * table that was searched.
3772 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3775 * The rule is returned in '*rule', which is valid at least until the next
3776 * RCU quiescent period. If the '*rule' needs to stay around longer,
3777 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3778 * on it before this returns.
3780 * 'in_port' allows the lookup to take place as if the in port had the value
3781 * 'in_port'. This is needed for resubmit action support.
3783 * 'flow' is non-const to allow for temporary modifications during the lookup.
3784 * Any changes are restored before returning. */
3786 rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, long long version,
3787 struct flow *flow, struct flow_wildcards *wc,
3788 bool take_ref, const struct dpif_flow_stats *stats,
3789 uint8_t *table_id, ofp_port_t in_port,
3790 bool may_packet_in, bool honor_table_miss)
3792 ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst;
3793 ofp_port_t old_in_port = flow->in_port.ofp_port;
3794 enum ofputil_table_miss miss_config;
3795 struct rule_dpif *rule;
3798 /* We always unwildcard nw_frag (for IP), so they
3799 * need not be unwildcarded here. */
3800 if (flow->nw_frag & FLOW_NW_FRAG_ANY
3801 && ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
3802 if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
3803 /* We must pretend that transport ports are unavailable. */
3804 flow->tp_src = htons(0);
3805 flow->tp_dst = htons(0);
3807 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3808 * Use the drop_frags_rule (which cannot disappear). */
3809 rule = ofproto->drop_frags_rule;
3811 rule_dpif_ref(rule);
3814 struct oftable *tbl = &ofproto->up.tables[*table_id];
3817 atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig);
3823 /* Look up a flow with 'in_port' as the input port. Then restore the
3824 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3825 * have surprising behavior). */
3826 flow->in_port.ofp_port = in_port;
3828 /* Our current implementation depends on n_tables == N_TABLES, and
3829 * TBL_INTERNAL being the last table. */
3830 BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1);
3832 miss_config = OFPUTIL_TABLE_MISS_CONTINUE;
3834 for (next_id = *table_id;
3835 next_id < ofproto->up.n_tables;
3836 next_id++, next_id += (next_id == TBL_INTERNAL))
3838 *table_id = next_id;
3839 rule = rule_dpif_lookup_in_table(ofproto, version, next_id, flow, wc,
3842 struct oftable *tbl = &ofproto->up.tables[next_id];
3845 atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed,
3846 stats->n_packets, &orig);
3849 goto out; /* Match. */
3851 if (honor_table_miss) {
3852 miss_config = ofproto_table_get_miss_config(&ofproto->up,
3854 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) {
3861 rule = ofproto->no_packet_in_rule;
3862 if (may_packet_in) {
3863 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE
3864 || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) {
3865 struct ofport_dpif *port;
3867 port = ofp_port_to_ofport(ofproto, old_in_port);
3869 VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
3871 } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) {
3872 rule = ofproto->miss_rule;
3874 } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT &&
3875 connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
3876 rule = ofproto->miss_rule;
3880 rule_dpif_ref(rule);
3883 /* Restore port numbers, as they may have been modified above. */
3884 flow->tp_src = old_tp_src;
3885 flow->tp_dst = old_tp_dst;
3886 /* Restore the old in port. */
3887 flow->in_port.ofp_port = old_in_port;
3893 complete_operation(struct rule_dpif *rule)
3894 OVS_REQUIRES(ofproto_mutex)
3896 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3898 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
3901 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
3903 return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL;
3906 static struct rule *
3909 struct rule_dpif *rule = xzalloc(sizeof *rule);
3914 rule_dealloc(struct rule *rule_)
3916 struct rule_dpif *rule = rule_dpif_cast(rule_);
3921 rule_construct(struct rule *rule_)
3922 OVS_NO_THREAD_SAFETY_ANALYSIS
3924 struct rule_dpif *rule = rule_dpif_cast(rule_);
3925 ovs_mutex_init_adaptive(&rule->stats_mutex);
3926 rule->stats.n_packets = 0;
3927 rule->stats.n_bytes = 0;
3928 rule->stats.used = rule->up.modified;
3929 rule->recirc_id = 0;
3935 rule_insert(struct rule *rule_)
3936 OVS_REQUIRES(ofproto_mutex)
3938 struct rule_dpif *rule = rule_dpif_cast(rule_);
3939 complete_operation(rule);
3944 rule_delete(struct rule *rule_)
3945 OVS_REQUIRES(ofproto_mutex)
3947 struct rule_dpif *rule = rule_dpif_cast(rule_);
3948 complete_operation(rule);
3952 rule_destruct(struct rule *rule_)
3954 struct rule_dpif *rule = rule_dpif_cast(rule_);
3956 ovs_mutex_destroy(&rule->stats_mutex);
3957 if (rule->recirc_id) {
3958 recirc_free_id(rule->recirc_id);
3963 rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes,
3964 long long int *used)
3966 struct rule_dpif *rule = rule_dpif_cast(rule_);
3968 ovs_mutex_lock(&rule->stats_mutex);
3969 *packets = rule->stats.n_packets;
3970 *bytes = rule->stats.n_bytes;
3971 *used = rule->stats.used;
3972 ovs_mutex_unlock(&rule->stats_mutex);
3976 rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
3977 struct dp_packet *packet)
3979 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3981 ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet);
3985 rule_execute(struct rule *rule, const struct flow *flow,
3986 struct dp_packet *packet)
3988 rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
3989 dp_packet_delete(packet);
3994 rule_modify_actions(struct rule *rule_, bool reset_counters)
3995 OVS_REQUIRES(ofproto_mutex)
3997 struct rule_dpif *rule = rule_dpif_cast(rule_);
3999 if (reset_counters) {
4000 ovs_mutex_lock(&rule->stats_mutex);
4001 rule->stats.n_packets = 0;
4002 rule->stats.n_bytes = 0;
4003 ovs_mutex_unlock(&rule->stats_mutex);
4006 complete_operation(rule);
4009 static struct group_dpif *group_dpif_cast(const struct ofgroup *group)
4011 return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL;
4014 static struct ofgroup *
4017 struct group_dpif *group = xzalloc(sizeof *group);
4022 group_dealloc(struct ofgroup *group_)
4024 struct group_dpif *group = group_dpif_cast(group_);
4029 group_construct_stats(struct group_dpif *group)
4030 OVS_REQUIRES(group->stats_mutex)
4032 struct ofputil_bucket *bucket;
4033 const struct ovs_list *buckets;
4035 group->packet_count = 0;
4036 group->byte_count = 0;
4038 group_dpif_get_buckets(group, &buckets);
4039 LIST_FOR_EACH (bucket, list_node, buckets) {
4040 bucket->stats.packet_count = 0;
4041 bucket->stats.byte_count = 0;
4046 group_dpif_credit_stats(struct group_dpif *group,
4047 struct ofputil_bucket *bucket,
4048 const struct dpif_flow_stats *stats)
4050 ovs_mutex_lock(&group->stats_mutex);
4051 group->packet_count += stats->n_packets;
4052 group->byte_count += stats->n_bytes;
4054 bucket->stats.packet_count += stats->n_packets;
4055 bucket->stats.byte_count += stats->n_bytes;
4056 } else { /* Credit to all buckets */
4057 const struct ovs_list *buckets;
4059 group_dpif_get_buckets(group, &buckets);
4060 LIST_FOR_EACH (bucket, list_node, buckets) {
4061 bucket->stats.packet_count += stats->n_packets;
4062 bucket->stats.byte_count += stats->n_bytes;
4065 ovs_mutex_unlock(&group->stats_mutex);
4069 group_construct(struct ofgroup *group_)
4071 struct group_dpif *group = group_dpif_cast(group_);
4072 const struct ofputil_bucket *bucket;
4074 /* Prevent group chaining because our locking structure makes it hard to
4075 * implement deadlock-free. (See xlate_group_resource_check().) */
4076 LIST_FOR_EACH (bucket, list_node, &group->up.buckets) {
4077 const struct ofpact *a;
4079 OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) {
4080 if (a->type == OFPACT_GROUP) {
4081 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED;
4086 ovs_mutex_init_adaptive(&group->stats_mutex);
4087 ovs_mutex_lock(&group->stats_mutex);
4088 group_construct_stats(group);
4089 ovs_mutex_unlock(&group->stats_mutex);
4094 group_destruct(struct ofgroup *group_)
4096 struct group_dpif *group = group_dpif_cast(group_);
4097 ovs_mutex_destroy(&group->stats_mutex);
4101 group_modify(struct ofgroup *group_)
4103 struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto);
4105 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
4111 group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs)
4113 struct group_dpif *group = group_dpif_cast(group_);
4114 struct ofputil_bucket *bucket;
4115 const struct ovs_list *buckets;
4116 struct bucket_counter *bucket_stats;
4118 ovs_mutex_lock(&group->stats_mutex);
4119 ogs->packet_count = group->packet_count;
4120 ogs->byte_count = group->byte_count;
4122 group_dpif_get_buckets(group, &buckets);
4123 bucket_stats = ogs->bucket_stats;
4124 LIST_FOR_EACH (bucket, list_node, buckets) {
4125 bucket_stats->packet_count = bucket->stats.packet_count;
4126 bucket_stats->byte_count = bucket->stats.byte_count;
4129 ovs_mutex_unlock(&group->stats_mutex);
4134 /* If the group exists, this function increments the groups's reference count.
4136 * Make sure to call group_dpif_unref() after no longer needing to maintain
4137 * a reference to the group. */
4139 group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id,
4140 struct group_dpif **group)
4142 struct ofgroup *ofgroup;
4145 found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup);
4146 *group = found ? group_dpif_cast(ofgroup) : NULL;
4152 group_dpif_get_buckets(const struct group_dpif *group,
4153 const struct ovs_list **buckets)
4155 *buckets = &group->up.buckets;
4158 enum ofp11_group_type
4159 group_dpif_get_type(const struct group_dpif *group)
4161 return group->up.type;
4165 group_dpif_get_selection_method(const struct group_dpif *group)
4167 return group->up.props.selection_method;
4170 /* Sends 'packet' out 'ofport'.
4171 * May modify 'packet'.
4172 * Returns 0 if successful, otherwise a positive errno value. */
4174 ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct dp_packet *packet)
4176 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
4179 error = xlate_send_packet(ofport, packet);
4181 ovs_mutex_lock(&ofproto->stats_mutex);
4182 ofproto->stats.tx_packets++;
4183 ofproto->stats.tx_bytes += dp_packet_size(packet);
4184 ovs_mutex_unlock(&ofproto->stats_mutex);
4189 group_dpif_get_selection_method_param(const struct group_dpif *group)
4191 return group->up.props.selection_method_param;
4194 const struct field_array *
4195 group_dpif_get_fields(const struct group_dpif *group)
4197 return &group->up.props.fields;
4200 /* Return the version string of the datapath that backs up
4204 get_datapath_version(const struct ofproto *ofproto_)
4206 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4208 return ofproto->backer->dp_version_string;
4212 set_frag_handling(struct ofproto *ofproto_,
4213 enum ofp_config_flags frag_handling)
4215 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4216 if (frag_handling != OFPC_FRAG_REASM) {
4217 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4225 packet_out(struct ofproto *ofproto_, struct dp_packet *packet,
4226 const struct flow *flow,
4227 const struct ofpact *ofpacts, size_t ofpacts_len)
4229 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4231 ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts,
4232 ofpacts_len, packet);
4239 set_netflow(struct ofproto *ofproto_,
4240 const struct netflow_options *netflow_options)
4242 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4244 if (netflow_options) {
4245 if (!ofproto->netflow) {
4246 ofproto->netflow = netflow_create();
4247 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4249 return netflow_set_options(ofproto->netflow, netflow_options);
4250 } else if (ofproto->netflow) {
4251 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4252 netflow_unref(ofproto->netflow);
4253 ofproto->netflow = NULL;
4260 get_netflow_ids(const struct ofproto *ofproto_,
4261 uint8_t *engine_type, uint8_t *engine_id)
4263 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4265 dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id);
4268 static struct ofproto_dpif *
4269 ofproto_dpif_lookup(const char *name)
4271 struct ofproto_dpif *ofproto;
4273 HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
4274 hash_string(name, 0), &all_ofproto_dpifs) {
4275 if (!strcmp(ofproto->up.name, name)) {
4283 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
4284 const char *argv[], void *aux OVS_UNUSED)
4286 struct ofproto_dpif *ofproto;
4289 ofproto = ofproto_dpif_lookup(argv[1]);
4291 unixctl_command_reply_error(conn, "no such bridge");
4294 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4295 mac_learning_flush(ofproto->ml);
4296 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4298 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4299 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4300 mac_learning_flush(ofproto->ml);
4301 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4305 unixctl_command_reply(conn, "table successfully flushed");
4309 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
4310 const char *argv[], void *aux OVS_UNUSED)
4312 struct ofproto_dpif *ofproto;
4315 ofproto = ofproto_dpif_lookup(argv[1]);
4317 unixctl_command_reply_error(conn, "no such bridge");
4321 if (!mcast_snooping_enabled(ofproto->ms)) {
4322 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4325 mcast_snooping_mdb_flush(ofproto->ms);
4327 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4328 if (!mcast_snooping_enabled(ofproto->ms)) {
4331 mcast_snooping_mdb_flush(ofproto->ms);
4335 unixctl_command_reply(conn, "table successfully flushed");
4338 static struct ofport_dpif *
4339 ofbundle_get_a_port(const struct ofbundle *bundle)
4341 return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif,
4346 ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4347 const char *argv[], void *aux OVS_UNUSED)
4349 struct ds ds = DS_EMPTY_INITIALIZER;
4350 const struct ofproto_dpif *ofproto;
4351 const struct mac_entry *e;
4353 ofproto = ofproto_dpif_lookup(argv[1]);
4355 unixctl_command_reply_error(conn, "no such bridge");
4359 ds_put_cstr(&ds, " port VLAN MAC Age\n");
4360 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
4361 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
4362 struct ofbundle *bundle = mac_entry_get_port(ofproto->ml, e);
4363 char name[OFP_MAX_PORT_NAME_LEN];
4365 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4367 ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n",
4368 name, e->vlan, ETH_ADDR_ARGS(e->mac),
4369 mac_entry_age(ofproto->ml, e));
4371 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4372 unixctl_command_reply(conn, ds_cstr(&ds));
4377 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
4378 int argc OVS_UNUSED,
4380 void *aux OVS_UNUSED)
4382 struct ds ds = DS_EMPTY_INITIALIZER;
4383 const struct ofproto_dpif *ofproto;
4384 const struct ofbundle *bundle;
4385 const struct mcast_group *grp;
4386 struct mcast_group_bundle *b;
4387 struct mcast_mrouter_bundle *mrouter;
4389 ofproto = ofproto_dpif_lookup(argv[1]);
4391 unixctl_command_reply_error(conn, "no such bridge");
4395 if (!mcast_snooping_enabled(ofproto->ms)) {
4396 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4400 ds_put_cstr(&ds, " port VLAN GROUP Age\n");
4401 ovs_rwlock_rdlock(&ofproto->ms->rwlock);
4402 LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
4403 LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
4404 char name[OFP_MAX_PORT_NAME_LEN];
4407 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4409 ds_put_format(&ds, "%5s %4d "IP_FMT" %3d\n",
4410 name, grp->vlan, IP_ARGS(grp->ip4),
4411 mcast_bundle_age(ofproto->ms, b));
4415 /* ports connected to multicast routers */
4416 LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
4417 char name[OFP_MAX_PORT_NAME_LEN];
4419 bundle = mrouter->port;
4420 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4422 ds_put_format(&ds, "%5s %4d querier %3d\n",
4423 name, mrouter->vlan,
4424 mcast_mrouter_age(ofproto->ms, mrouter));
4426 ovs_rwlock_unlock(&ofproto->ms->rwlock);
4427 unixctl_command_reply(conn, ds_cstr(&ds));
4432 struct xlate_out xout;
4433 struct xlate_in xin;
4434 const struct flow *key;
4436 struct flow_wildcards wc;
4441 trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule)
4443 const struct rule_actions *actions;
4446 ds_put_char_multiple(result, '\t', level);
4448 ds_put_cstr(result, "No match\n");
4452 ovs_mutex_lock(&rule->up.mutex);
4453 cookie = rule->up.flow_cookie;
4454 ovs_mutex_unlock(&rule->up.mutex);
4456 ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ",
4457 rule ? rule->up.table_id : 0, ntohll(cookie));
4458 cls_rule_format(&rule->up.cr, result);
4459 ds_put_char(result, '\n');
4461 actions = rule_dpif_get_actions(rule);
4463 ds_put_char_multiple(result, '\t', level);
4464 ds_put_cstr(result, "OpenFlow actions=");
4465 ofpacts_format(actions->ofpacts, actions->ofpacts_len, result);
4466 ds_put_char(result, '\n');
4470 trace_format_flow(struct ds *result, int level, const char *title,
4471 struct trace_ctx *trace)
4473 ds_put_char_multiple(result, '\t', level);
4474 ds_put_format(result, "%s: ", title);
4475 /* Do not report unchanged flows for resubmits. */
4476 if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow))
4477 || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) {
4478 ds_put_cstr(result, "unchanged");
4480 flow_format(result, &trace->xin.flow);
4481 trace->flow = trace->xin.flow;
4483 ds_put_char(result, '\n');
4487 trace_format_regs(struct ds *result, int level, const char *title,
4488 struct trace_ctx *trace)
4492 ds_put_char_multiple(result, '\t', level);
4493 ds_put_format(result, "%s:", title);
4494 for (i = 0; i < FLOW_N_REGS; i++) {
4495 ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
4497 ds_put_char(result, '\n');
4501 trace_format_odp(struct ds *result, int level, const char *title,
4502 struct trace_ctx *trace)
4504 struct ofpbuf *odp_actions = trace->xout.odp_actions;
4506 ds_put_char_multiple(result, '\t', level);
4507 ds_put_format(result, "%s: ", title);
4508 format_odp_actions(result, odp_actions->data, odp_actions->size);
4509 ds_put_char(result, '\n');
4513 trace_format_megaflow(struct ds *result, int level, const char *title,
4514 struct trace_ctx *trace)
4518 ds_put_char_multiple(result, '\t', level);
4519 ds_put_format(result, "%s: ", title);
4520 flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc);
4521 match_init(&match, trace->key, &trace->wc);
4522 match_format(&match, result, OFP_DEFAULT_PRIORITY);
4523 ds_put_char(result, '\n');
4526 static void trace_report(struct xlate_in *xin, const char *s, int recurse);
4529 trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse)
4531 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4532 struct ds *result = trace->result;
4535 if (rule == xin->ofproto->miss_rule) {
4536 trace_report(xin, "No match, flow generates \"packet in\"s.",
4538 } else if (rule == xin->ofproto->no_packet_in_rule) {
4539 trace_report(xin, "No match, packets dropped because "
4540 "OFPPC_NO_PACKET_IN is set on in_port.", recurse);
4541 } else if (rule == xin->ofproto->drop_frags_rule) {
4542 trace_report(xin, "Packets dropped because they are IP "
4543 "fragments and the fragment handling mode is "
4544 "\"drop\".", recurse);
4548 ds_put_char(result, '\n');
4550 trace_format_flow(result, recurse, "Resubmitted flow", trace);
4551 trace_format_regs(result, recurse, "Resubmitted regs", trace);
4552 trace_format_odp(result, recurse, "Resubmitted odp", trace);
4553 trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace);
4555 trace_format_rule(result, recurse, rule);
4559 trace_report(struct xlate_in *xin, const char *s, int recurse)
4561 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4562 struct ds *result = trace->result;
4564 ds_put_char_multiple(result, '\t', recurse);
4565 ds_put_cstr(result, s);
4566 ds_put_char(result, '\n');
4569 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4570 * forms are supported:
4572 * - [dpname] odp_flow [-generate | packet]
4573 * - bridge br_flow [-generate | packet]
4575 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4576 * returns a nonnull malloced error message. */
4577 static char * OVS_WARN_UNUSED_RESULT
4578 parse_flow_and_packet(int argc, const char *argv[],
4579 struct ofproto_dpif **ofprotop, struct flow *flow,
4580 struct dp_packet **packetp)
4582 const struct dpif_backer *backer = NULL;
4583 const char *error = NULL;
4585 struct simap port_names = SIMAP_INITIALIZER(&port_names);
4586 struct dp_packet *packet;
4587 struct ofpbuf odp_key;
4588 struct ofpbuf odp_mask;
4590 ofpbuf_init(&odp_key, 0);
4591 ofpbuf_init(&odp_mask, 0);
4593 /* Handle "-generate" or a hex string as the last argument. */
4594 if (!strcmp(argv[argc - 1], "-generate")) {
4595 packet = dp_packet_new(0);
4598 error = eth_from_hex(argv[argc - 1], &packet);
4601 } else if (argc == 4) {
4602 /* The 3-argument form must end in "-generate' or a hex string. */
4608 /* odp_flow can have its in_port specified as a name instead of port no.
4609 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4610 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4611 * we need to create a simap of name to port no. */
4613 const char *dp_type;
4614 if (!strncmp(argv[1], "ovs-", 4)) {
4615 dp_type = argv[1] + 4;
4619 backer = shash_find_data(&all_dpif_backers, dp_type);
4620 } else if (argc == 2) {
4621 struct shash_node *node;
4622 if (shash_count(&all_dpif_backers) == 1) {
4623 node = shash_first(&all_dpif_backers);
4624 backer = node->data;
4627 error = "Syntax error";
4630 if (backer && backer->dpif) {
4631 struct dpif_port dpif_port;
4632 struct dpif_port_dump port_dump;
4633 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) {
4634 simap_put(&port_names, dpif_port.name,
4635 odp_to_u32(dpif_port.port_no));
4639 /* Parse the flow and determine whether a datapath or
4640 * bridge is specified. If function odp_flow_key_from_string()
4641 * returns 0, the flow is a odp_flow. If function
4642 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4643 if (!odp_flow_from_string(argv[argc - 1], &port_names,
4644 &odp_key, &odp_mask)) {
4646 error = "Cannot find the datapath";
4650 if (odp_flow_key_to_flow(odp_key.data, odp_key.size, flow) == ODP_FIT_ERROR) {
4651 error = "Failed to parse datapath flow key";
4655 *ofprotop = xlate_lookup_ofproto(backer, flow,
4656 &flow->in_port.ofp_port);
4657 if (*ofprotop == NULL) {
4658 error = "Invalid datapath flow";
4662 vsp_adjust_flow(*ofprotop, flow, NULL);
4665 char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
4668 m_err = xasprintf("Bad openflow flow syntax: %s", err);
4673 error = "Must specify bridge name";
4677 *ofprotop = ofproto_dpif_lookup(argv[1]);
4679 error = "Unknown bridge name";
4685 /* Generate a packet, if requested. */
4687 if (!dp_packet_size(packet)) {
4688 flow_compose(packet, flow);
4690 /* Use the metadata from the flow and the packet argument
4691 * to reconstruct the flow. */
4692 pkt_metadata_from_flow(&packet->md, flow);
4693 flow_extract(packet, flow);
4698 if (error && !m_err) {
4699 m_err = xstrdup(error);
4702 dp_packet_delete(packet);
4706 ofpbuf_uninit(&odp_key);
4707 ofpbuf_uninit(&odp_mask);
4708 simap_destroy(&port_names);
4713 ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
4714 void *aux OVS_UNUSED)
4716 struct ofproto_dpif *ofproto;
4717 struct dp_packet *packet;
4721 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4726 ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
4727 unixctl_command_reply(conn, ds_cstr(&result));
4728 ds_destroy(&result);
4729 dp_packet_delete(packet);
4731 unixctl_command_reply_error(conn, error);
4737 ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
4738 const char *argv[], void *aux OVS_UNUSED)
4740 enum ofputil_protocol usable_protocols;
4741 struct ofproto_dpif *ofproto;
4742 bool enforce_consistency;
4743 struct ofpbuf ofpacts;
4744 struct dp_packet *packet;
4749 /* Three kinds of error return values! */
4755 ofpbuf_init(&ofpacts, 0);
4757 /* Parse actions. */
4758 error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
4760 unixctl_command_reply_error(conn, error);
4765 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4766 * consistency between the flow and the actions. With -consistent, we
4767 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4768 if (!strcmp(argv[1], "-consistent")) {
4769 enforce_consistency = true;
4773 enforce_consistency = false;
4776 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4778 unixctl_command_reply_error(conn, error);
4783 /* Do the same checks as handle_packet_out() in ofproto.c.
4785 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4786 * strictly correct because these actions aren't in any table, but it's OK
4787 * because it 'table_id' is used only to check goto_table instructions, but
4788 * packet-outs take a list of actions and therefore it can't include
4791 * We skip the "meter" check here because meter is an instruction, not an
4792 * action, and thus cannot appear in ofpacts. */
4793 in_port = ofp_to_u16(flow.in_port.ofp_port);
4794 if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
4795 unixctl_command_reply_error(conn, "invalid in_port");
4798 if (enforce_consistency) {
4799 retval = ofpacts_check_consistency(ofpacts.data, ofpacts.size,
4800 &flow, u16_to_ofp(ofproto->up.max_ports),
4801 0, 0, usable_protocols);
4803 retval = ofpacts_check(ofpacts.data, ofpacts.size, &flow,
4804 u16_to_ofp(ofproto->up.max_ports), 0, 0,
4810 ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
4811 unixctl_command_reply_error(conn, ds_cstr(&result));
4815 ofproto_trace(ofproto, &flow, packet,
4816 ofpacts.data, ofpacts.size, &result);
4817 unixctl_command_reply(conn, ds_cstr(&result));
4820 ds_destroy(&result);
4821 dp_packet_delete(packet);
4822 ofpbuf_uninit(&ofpacts);
4825 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4826 * description of the results to 'ds'.
4828 * The trace follows a packet with the specified 'flow' through the flow
4829 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4830 * side effects (if it is nonnull then its flow must be 'flow').
4832 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4833 * trace, otherwise the actions are determined by a flow table lookup. */
4835 ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
4836 const struct dp_packet *packet,
4837 const struct ofpact ofpacts[], size_t ofpacts_len,
4840 struct trace_ctx trace;
4842 ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
4843 ds_put_cstr(ds, "Flow: ");
4844 flow_format(ds, flow);
4845 ds_put_char(ds, '\n');
4847 flow_wildcards_init_catchall(&trace.wc);
4850 trace.key = flow; /* Original flow key, used for megaflow. */
4851 trace.flow = *flow; /* May be modified by actions. */
4852 xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL,
4853 ntohs(flow->tcp_flags), packet);
4854 trace.xin.ofpacts = ofpacts;
4855 trace.xin.ofpacts_len = ofpacts_len;
4856 trace.xin.resubmit_hook = trace_resubmit;
4857 trace.xin.report_hook = trace_report;
4859 xlate_actions(&trace.xin, &trace.xout);
4861 ds_put_char(ds, '\n');
4862 trace_format_flow(ds, 0, "Final flow", &trace);
4863 trace_format_megaflow(ds, 0, "Megaflow", &trace);
4865 ds_put_cstr(ds, "Datapath actions: ");
4866 format_odp_actions(ds, trace.xout.odp_actions->data,
4867 trace.xout.odp_actions->size);
4869 if (trace.xout.slow) {
4870 enum slow_path_reason slow;
4872 ds_put_cstr(ds, "\nThis flow is handled by the userspace "
4873 "slow path because it:");
4875 slow = trace.xout.slow;
4877 enum slow_path_reason bit = rightmost_1bit(slow);
4879 ds_put_format(ds, "\n\t- %s.",
4880 slow_path_reason_to_explanation(bit));
4886 xlate_out_uninit(&trace.xout);
4889 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4890 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4891 * to destroy 'ofproto_shash' and free the returned value. */
4892 static const struct shash_node **
4893 get_ofprotos(struct shash *ofproto_shash)
4895 const struct ofproto_dpif *ofproto;
4897 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4898 char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name);
4899 shash_add_nocopy(ofproto_shash, name, ofproto);
4902 return shash_sort(ofproto_shash);
4906 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED,
4907 const char *argv[] OVS_UNUSED,
4908 void *aux OVS_UNUSED)
4910 struct ds ds = DS_EMPTY_INITIALIZER;
4911 struct shash ofproto_shash;
4912 const struct shash_node **sorted_ofprotos;
4915 shash_init(&ofproto_shash);
4916 sorted_ofprotos = get_ofprotos(&ofproto_shash);
4917 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4918 const struct shash_node *node = sorted_ofprotos[i];
4919 ds_put_format(&ds, "%s\n", node->name);
4922 shash_destroy(&ofproto_shash);
4923 free(sorted_ofprotos);
4925 unixctl_command_reply(conn, ds_cstr(&ds));
4930 dpif_show_backer(const struct dpif_backer *backer, struct ds *ds)
4932 const struct shash_node **ofprotos;
4933 struct dpif_dp_stats dp_stats;
4934 struct shash ofproto_shash;
4937 dpif_get_dp_stats(backer->dpif, &dp_stats);
4939 ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
4940 dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed);
4942 shash_init(&ofproto_shash);
4943 ofprotos = get_ofprotos(&ofproto_shash);
4944 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4945 struct ofproto_dpif *ofproto = ofprotos[i]->data;
4946 const struct shash_node **ports;
4949 if (ofproto->backer != backer) {
4953 ds_put_format(ds, "\t%s:\n", ofproto->up.name);
4955 ports = shash_sort(&ofproto->up.port_by_name);
4956 for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) {
4957 const struct shash_node *node = ports[j];
4958 struct ofport *ofport = node->data;
4960 odp_port_t odp_port;
4962 ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev),
4965 odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
4966 if (odp_port != ODPP_NONE) {
4967 ds_put_format(ds, "%"PRIu32":", odp_port);
4969 ds_put_cstr(ds, "none:");
4972 ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev));
4975 if (!netdev_get_config(ofport->netdev, &config)) {
4976 const struct smap_node **nodes;
4979 nodes = smap_sort(&config);
4980 for (i = 0; i < smap_count(&config); i++) {
4981 const struct smap_node *node = nodes[i];
4982 ds_put_format(ds, "%c %s=%s", i ? ',' : ':',
4983 node->key, node->value);
4987 smap_destroy(&config);
4989 ds_put_char(ds, ')');
4990 ds_put_char(ds, '\n');
4994 shash_destroy(&ofproto_shash);
4999 ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
5000 const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
5002 struct ds ds = DS_EMPTY_INITIALIZER;
5003 const struct shash_node **backers;
5006 backers = shash_sort(&all_dpif_backers);
5007 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5008 dpif_show_backer(backers[i]->data, &ds);
5012 unixctl_command_reply(conn, ds_cstr(&ds));
5017 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
5018 int argc OVS_UNUSED, const char *argv[],
5019 void *aux OVS_UNUSED)
5021 const struct ofproto_dpif *ofproto;
5023 struct ds ds = DS_EMPTY_INITIALIZER;
5024 bool verbosity = false;
5026 struct dpif_port dpif_port;
5027 struct dpif_port_dump port_dump;
5028 struct hmap portno_names;
5030 struct dpif_flow_dump *flow_dump;
5031 struct dpif_flow_dump_thread *flow_dump_thread;
5035 ofproto = ofproto_dpif_lookup(argv[argc - 1]);
5037 unixctl_command_reply_error(conn, "no such bridge");
5041 if (argc > 2 && !strcmp(argv[1], "-m")) {
5045 hmap_init(&portno_names);
5046 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) {
5047 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
5051 flow_dump = dpif_flow_dump_create(ofproto->backer->dpif, false);
5052 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
5053 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
5056 if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
5057 || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
5062 odp_format_ufid(&f.ufid, &ds);
5063 ds_put_cstr(&ds, " ");
5065 odp_flow_format(f.key, f.key_len, f.mask, f.mask_len,
5066 &portno_names, &ds, verbosity);
5067 ds_put_cstr(&ds, ", ");
5068 dpif_flow_stats_format(&f.stats, &ds);
5069 ds_put_cstr(&ds, ", actions:");
5070 format_odp_actions(&ds, f.actions, f.actions_len);
5071 ds_put_char(&ds, '\n');
5073 dpif_flow_dump_thread_destroy(flow_dump_thread);
5074 error = dpif_flow_dump_destroy(flow_dump);
5078 ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno));
5079 unixctl_command_reply_error(conn, ds_cstr(&ds));
5081 unixctl_command_reply(conn, ds_cstr(&ds));
5083 odp_portno_names_destroy(&portno_names);
5084 hmap_destroy(&portno_names);
5089 ofproto_revalidate_all_backers(void)
5091 const struct shash_node **backers;
5094 backers = shash_sort(&all_dpif_backers);
5095 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5096 struct dpif_backer *backer = backers[i]->data;
5097 backer->need_revalidate = REV_RECONFIGURE;
5103 disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
5104 const char *argv[], void *aux OVS_UNUSED)
5106 if (!strcasecmp(argv[1], "off")) {
5107 ofproto_use_tnl_push_pop = false;
5108 unixctl_command_reply(conn, "Tunnel push-pop off");
5109 ofproto_revalidate_all_backers();
5110 } else if (!strcasecmp(argv[1], "on")) {
5111 ofproto_use_tnl_push_pop = true;
5112 unixctl_command_reply(conn, "Tunnel push-pop on");
5113 ofproto_revalidate_all_backers();
5118 ofproto_unixctl_init(void)
5120 static bool registered;
5126 unixctl_command_register(
5128 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5129 1, 3, ofproto_unixctl_trace, NULL);
5130 unixctl_command_register(
5131 "ofproto/trace-packet-out",
5132 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5133 2, 6, ofproto_unixctl_trace_actions, NULL);
5134 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5135 ofproto_unixctl_fdb_flush, NULL);
5136 unixctl_command_register("fdb/show", "bridge", 1, 1,
5137 ofproto_unixctl_fdb_show, NULL);
5138 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5139 ofproto_unixctl_mcast_snooping_flush, NULL);
5140 unixctl_command_register("mdb/show", "bridge", 1, 1,
5141 ofproto_unixctl_mcast_snooping_show, NULL);
5142 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5143 ofproto_unixctl_dpif_dump_dps, NULL);
5144 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
5146 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5147 ofproto_unixctl_dpif_dump_flows, NULL);
5149 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5150 disable_tnl_push_pop, NULL);
5153 /* Returns true if 'table' is the table used for internal rules,
5154 * false otherwise. */
5156 table_is_internal(uint8_t table_id)
5158 return table_id == TBL_INTERNAL;
5161 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5163 * This is deprecated. It is only for compatibility with broken device drivers
5164 * in old versions of Linux that do not properly support VLANs when VLAN
5165 * devices are not used. When broken device drivers are no longer in
5166 * widespread use, we will delete these interfaces. */
5169 set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid)
5171 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
5172 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
5174 if (realdev_ofp_port == ofport->realdev_ofp_port
5175 && vid == ofport->vlandev_vid) {
5179 ofproto->backer->need_revalidate = REV_RECONFIGURE;
5181 if (ofport->realdev_ofp_port) {
5184 if (realdev_ofp_port && ofport->bundle) {
5185 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5186 * themselves be part of a bundle. */
5187 bundle_set(ofport_->ofproto, ofport->bundle, NULL);
5190 ofport->realdev_ofp_port = realdev_ofp_port;
5191 ofport->vlandev_vid = vid;
5193 if (realdev_ofp_port) {
5194 vsp_add(ofport, realdev_ofp_port, vid);
5201 hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid)
5203 return hash_2words(ofp_to_u16(realdev_ofp_port), vid);
5207 ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto)
5208 OVS_EXCLUDED(ofproto->vsp_mutex)
5210 /* hmap_is_empty is thread safe. */
5211 return !hmap_is_empty(&ofproto->realdev_vid_map);
5216 vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto,
5217 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5218 OVS_REQUIRES(ofproto->vsp_mutex)
5220 if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
5221 int vid = vlan_tci_to_vid(vlan_tci);
5222 const struct vlan_splinter *vsp;
5224 HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
5225 hash_realdev_vid(realdev_ofp_port, vid),
5226 &ofproto->realdev_vid_map) {
5227 if (vsp->realdev_ofp_port == realdev_ofp_port
5228 && vsp->vid == vid) {
5229 return vsp->vlandev_ofp_port;
5233 return realdev_ofp_port;
5236 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5237 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5238 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5239 * 'vlan_tci' 9, it would return the port number of eth0.9.
5241 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5242 * function just returns its 'realdev_ofp_port' argument. */
5244 vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
5245 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5246 OVS_EXCLUDED(ofproto->vsp_mutex)
5250 /* hmap_is_empty is thread safe, see if we can return immediately. */
5251 if (hmap_is_empty(&ofproto->realdev_vid_map)) {
5252 return realdev_ofp_port;
5254 ovs_mutex_lock(&ofproto->vsp_mutex);
5255 ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci);
5256 ovs_mutex_unlock(&ofproto->vsp_mutex);
5260 static struct vlan_splinter *
5261 vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port)
5263 struct vlan_splinter *vsp;
5265 HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node,
5266 hash_ofp_port(vlandev_ofp_port),
5267 &ofproto->vlandev_map) {
5268 if (vsp->vlandev_ofp_port == vlandev_ofp_port) {
5276 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5277 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5278 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5279 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5280 * eth0 and store 9 in '*vid'.
5282 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5283 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5286 vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
5287 ofp_port_t vlandev_ofp_port, int *vid)
5288 OVS_REQUIRES(ofproto->vsp_mutex)
5290 if (!hmap_is_empty(&ofproto->vlandev_map)) {
5291 const struct vlan_splinter *vsp;
5293 vsp = vlandev_find(ofproto, vlandev_ofp_port);
5298 return vsp->realdev_ofp_port;
5304 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5305 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5306 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5307 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5308 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5309 * case unless VLAN splinters are enabled), returns false without making any
5312 vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow,
5313 struct dp_packet *packet)
5314 OVS_EXCLUDED(ofproto->vsp_mutex)
5319 /* hmap_is_empty is thread safe. */
5320 if (hmap_is_empty(&ofproto->vlandev_map)) {
5324 ovs_mutex_lock(&ofproto->vsp_mutex);
5325 realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid);
5326 ovs_mutex_unlock(&ofproto->vsp_mutex);
5331 /* Cause the flow to be processed as if it came in on the real device with
5332 * the VLAN device's VLAN ID. */
5333 flow->in_port.ofp_port = realdev;
5334 flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
5337 /* Make the packet resemble the flow, so that it gets sent to an
5338 * OpenFlow controller properly, so that it looks correct for sFlow,
5339 * and so that flow_extract() will get the correct vlan_tci if it is
5340 * called on 'packet'. */
5341 eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci);
5348 vsp_remove(struct ofport_dpif *port)
5350 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5351 struct vlan_splinter *vsp;
5353 ovs_mutex_lock(&ofproto->vsp_mutex);
5354 vsp = vlandev_find(ofproto, port->up.ofp_port);
5356 hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node);
5357 hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node);
5360 port->realdev_ofp_port = 0;
5362 VLOG_ERR("missing vlan device record");
5364 ovs_mutex_unlock(&ofproto->vsp_mutex);
5368 vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid)
5370 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5372 ovs_mutex_lock(&ofproto->vsp_mutex);
5373 if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL)
5374 && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid))
5375 == realdev_ofp_port)) {
5376 struct vlan_splinter *vsp;
5378 vsp = xmalloc(sizeof *vsp);
5379 vsp->realdev_ofp_port = realdev_ofp_port;
5380 vsp->vlandev_ofp_port = port->up.ofp_port;
5383 port->realdev_ofp_port = realdev_ofp_port;
5385 hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node,
5386 hash_ofp_port(port->up.ofp_port));
5387 hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node,
5388 hash_realdev_vid(realdev_ofp_port, vid));
5390 VLOG_ERR("duplicate vlan device record");
5392 ovs_mutex_unlock(&ofproto->vsp_mutex);
5396 ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
5398 const struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
5399 return ofport ? ofport->odp_port : ODPP_NONE;
5402 struct ofport_dpif *
5403 odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port)
5405 struct ofport_dpif *port;
5407 ovs_rwlock_rdlock(&backer->odp_to_ofport_lock);
5408 HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port),
5409 &backer->odp_to_ofport_map) {
5410 if (port->odp_port == odp_port) {
5411 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5416 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5421 odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port)
5423 struct ofport_dpif *port;
5425 port = odp_port_to_ofport(ofproto->backer, odp_port);
5426 if (port && &ofproto->up == port->up.ofproto) {
5427 return port->up.ofp_port;
5434 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
5435 const struct match *match, int priority,
5436 uint16_t idle_timeout,
5437 const struct ofpbuf *ofpacts,
5438 struct rule **rulep)
5440 struct ofputil_flow_mod fm;
5441 struct rule_dpif *rule;
5445 fm.priority = priority;
5446 fm.new_cookie = htonll(0);
5447 fm.cookie = htonll(0);
5448 fm.cookie_mask = htonll(0);
5449 fm.modify_cookie = false;
5450 fm.table_id = TBL_INTERNAL;
5451 fm.command = OFPFC_ADD;
5452 fm.idle_timeout = idle_timeout;
5453 fm.hard_timeout = 0;
5457 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5458 fm.ofpacts = ofpacts->data;
5459 fm.ofpacts_len = ofpacts->size;
5461 error = ofproto_flow_mod(&ofproto->up, &fm);
5463 VLOG_ERR_RL(&rl, "failed to add internal flow (%s)",
5464 ofperr_to_string(error));
5469 rule = rule_dpif_lookup_in_table(ofproto,
5470 ofproto_dpif_get_tables_version(ofproto),
5471 TBL_INTERNAL, &fm.match.flow,
5472 &fm.match.wc, false);
5482 ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto,
5483 struct match *match, int priority)
5485 struct ofputil_flow_mod fm;
5489 fm.priority = priority;
5490 fm.new_cookie = htonll(0);
5491 fm.cookie = htonll(0);
5492 fm.cookie_mask = htonll(0);
5493 fm.modify_cookie = false;
5494 fm.table_id = TBL_INTERNAL;
5495 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5496 fm.command = OFPFC_DELETE_STRICT;
5498 error = ofproto_flow_mod(&ofproto->up, &fm);
5500 VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)",
5501 ofperr_to_string(error));
5508 const struct ofproto_class ofproto_dpif_class = {
5522 NULL, /* get_memory_usage. */
5523 type_get_memory_usage,
5542 port_is_lacp_current,
5543 port_get_lacp_stats,
5544 NULL, /* rule_choose_table */
5553 NULL, /* rule_premodify_actions */
5554 rule_modify_actions,
5570 aa_vlan_get_queue_size,
5577 get_stp_port_status,
5582 get_rstp_port_status,
5589 is_mirror_output_bundle,
5590 forward_bpdu_changed,
5591 set_mac_table_config,
5593 set_mcast_snooping_port,
5595 NULL, /* meter_get_features */
5596 NULL, /* meter_set */
5597 NULL, /* meter_get */
5598 NULL, /* meter_del */
5599 group_alloc, /* group_alloc */
5600 group_construct, /* group_construct */
5601 group_destruct, /* group_destruct */
5602 group_dealloc, /* group_dealloc */
5603 group_modify, /* group_modify */
5604 group_get_stats, /* group_get_stats */
5605 get_datapath_version, /* get_datapath_version */