2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "ofproto/ofproto-dpif.h"
20 #include "ofproto/ofproto-provider.h"
27 #include "byte-order.h"
28 #include "connectivity.h"
33 #include "dynamic-string.h"
34 #include "fail-open.h"
35 #include "guarded-list.h"
39 #include "mac-learning.h"
40 #include "mcast-snooping.h"
41 #include "meta-flow.h"
42 #include "multipath.h"
43 #include "netdev-vport.h"
48 #include "odp-execute.h"
51 #include "ofp-actions.h"
52 #include "ofp-parse.h"
53 #include "ofp-print.h"
54 #include "ofproto-dpif-ipfix.h"
55 #include "ofproto-dpif-mirror.h"
56 #include "ofproto-dpif-monitor.h"
57 #include "ofproto-dpif-rid.h"
58 #include "ofproto-dpif-sflow.h"
59 #include "ofproto-dpif-upcall.h"
60 #include "ofproto-dpif-xlate.h"
61 #include "poll-loop.h"
62 #include "ovs-router.h"
68 #include "unaligned.h"
70 #include "vlan-bitmap.h"
73 VLOG_DEFINE_THIS_MODULE(ofproto_dpif);
75 COVERAGE_DEFINE(ofproto_dpif_expired);
76 COVERAGE_DEFINE(packet_in_overflow);
85 * - Do include packets and bytes from datapath flows which have not
86 * recently been processed by a revalidator. */
87 struct ovs_mutex stats_mutex;
88 struct dpif_flow_stats stats OVS_GUARDED;
90 /* If non-zero then the recirculation id that has
91 * been allocated for use with this rule.
92 * The recirculation id and associated internal flow should
93 * be freed when the rule is freed */
97 /* RULE_CAST() depends on this. */
98 BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0);
100 static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes,
101 long long int *used);
102 static struct rule_dpif *rule_dpif_cast(const struct rule *);
103 static void rule_expire(struct rule_dpif *);
110 * - Do include packets and bytes from datapath flows which have not
111 * recently been processed by a revalidator. */
112 struct ovs_mutex stats_mutex;
113 uint64_t packet_count OVS_GUARDED; /* Number of packets received. */
114 uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */
118 struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
119 struct ofproto_dpif *ofproto; /* Owning ofproto. */
120 void *aux; /* Key supplied by ofproto's client. */
121 char *name; /* Identifier for log messages. */
124 struct list ports; /* Contains "struct ofport"s. */
125 enum port_vlan_mode vlan_mode; /* VLAN mode */
126 int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
127 unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1.
128 * NULL if all VLANs are trunked. */
129 struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */
130 struct bond *bond; /* Nonnull iff more than one port. */
131 bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
134 bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
137 static void bundle_remove(struct ofport *);
138 static void bundle_update(struct ofbundle *);
139 static void bundle_destroy(struct ofbundle *);
140 static void bundle_del_port(struct ofport_dpif *);
141 static void bundle_run(struct ofbundle *);
142 static void bundle_wait(struct ofbundle *);
143 static void bundle_flush_macs(struct ofbundle *, bool);
144 static void bundle_move(struct ofbundle *, struct ofbundle *);
146 static void stp_run(struct ofproto_dpif *ofproto);
147 static void stp_wait(struct ofproto_dpif *ofproto);
148 static int set_stp_port(struct ofport *,
149 const struct ofproto_port_stp_settings *);
151 static void rstp_run(struct ofproto_dpif *ofproto);
152 static void set_rstp_port(struct ofport *,
153 const struct ofproto_port_rstp_settings *);
156 struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
160 struct ofbundle *bundle; /* Bundle that contains this port, if any. */
161 struct list bundle_node; /* In struct ofbundle's "ports" list. */
162 struct cfm *cfm; /* Connectivity Fault Management, if any. */
163 struct bfd *bfd; /* BFD, if any. */
164 bool may_enable; /* May be enabled in bonds. */
165 bool is_tunnel; /* This port is a tunnel. */
166 bool is_layer3; /* This is a layer 3 port. */
167 long long int carrier_seq; /* Carrier status changes. */
168 struct ofport_dpif *peer; /* Peer if patch port. */
171 struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
172 enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
173 long long int stp_state_entered;
175 /* Rapid Spanning Tree. */
176 struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
177 enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
179 /* Queue to DSCP mapping. */
180 struct ofproto_port_queue *qdscp;
183 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
185 * This is deprecated. It is only for compatibility with broken device
186 * drivers in old versions of Linux that do not properly support VLANs when
187 * VLAN devices are not used. When broken device drivers are no longer in
188 * widespread use, we will delete these interfaces. */
189 ofp_port_t realdev_ofp_port;
193 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
195 * This is deprecated. It is only for compatibility with broken device drivers
196 * in old versions of Linux that do not properly support VLANs when VLAN
197 * devices are not used. When broken device drivers are no longer in
198 * widespread use, we will delete these interfaces. */
199 struct vlan_splinter {
200 struct hmap_node realdev_vid_node;
201 struct hmap_node vlandev_node;
202 ofp_port_t realdev_ofp_port;
203 ofp_port_t vlandev_ofp_port;
207 static void vsp_remove(struct ofport_dpif *);
208 static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid);
210 static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *,
213 static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *,
216 static struct ofport_dpif *
217 ofport_dpif_cast(const struct ofport *ofport)
219 return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
222 static void port_run(struct ofport_dpif *);
223 static int set_bfd(struct ofport *, const struct smap *);
224 static int set_cfm(struct ofport *, const struct cfm_settings *);
225 static void ofport_update_peer(struct ofport_dpif *);
227 /* Reasons that we might need to revalidate every datapath flow, and
228 * corresponding coverage counters.
230 * A value of 0 means that there is no need to revalidate.
232 * It would be nice to have some cleaner way to integrate with coverage
233 * counters, but with only a few reasons I guess this is good enough for
235 enum revalidate_reason {
236 REV_RECONFIGURE = 1, /* Switch configuration changed. */
237 REV_STP, /* Spanning tree protocol port status change. */
238 REV_RSTP, /* RSTP port status change. */
239 REV_BOND, /* Bonding changed. */
240 REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/
241 REV_FLOW_TABLE, /* Flow table changed. */
242 REV_MAC_LEARNING, /* Mac learning changed. */
243 REV_MCAST_SNOOPING, /* Multicast snooping changed. */
245 COVERAGE_DEFINE(rev_reconfigure);
246 COVERAGE_DEFINE(rev_stp);
247 COVERAGE_DEFINE(rev_rstp);
248 COVERAGE_DEFINE(rev_bond);
249 COVERAGE_DEFINE(rev_port_toggled);
250 COVERAGE_DEFINE(rev_flow_table);
251 COVERAGE_DEFINE(rev_mac_learning);
252 COVERAGE_DEFINE(rev_mcast_snooping);
254 /* All datapaths of a given type share a single dpif backer instance. */
261 struct ovs_rwlock odp_to_ofport_lock;
262 struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
264 struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
266 enum revalidate_reason need_revalidate; /* Revalidate all flows. */
268 bool recv_set_enable; /* Enables or disables receiving packets. */
271 struct recirc_id_pool *rid_pool; /* Recirculation ID pool. */
272 bool enable_recirc; /* True if the datapath supports recirculation */
274 /* True if the datapath supports variable-length
275 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
276 * False if the datapath supports only 8-byte (or shorter) userdata. */
277 bool variable_length_userdata;
279 /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET
281 bool masked_set_action;
283 /* Maximum number of MPLS label stack entries that the datapath supports
285 size_t max_mpls_depth;
287 /* Version string of the datapath stored in OVSDB. */
288 char *dp_version_string;
290 /* True if the datapath supports tnl_push and pop actions. */
291 bool enable_tnl_push_pop;
292 struct atomic_count tnl_count;
295 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
296 static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
298 struct ofproto_dpif {
299 struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
301 struct dpif_backer *backer;
303 uint64_t dump_seq; /* Last read of udpif_dump_seq(). */
305 /* Special OpenFlow rules. */
306 struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
307 struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
308 struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */
311 struct netflow *netflow;
312 struct dpif_sflow *sflow;
313 struct dpif_ipfix *ipfix;
314 struct hmap bundles; /* Contains "struct ofbundle"s. */
315 struct mac_learning *ml;
316 struct mcast_snooping *ms;
317 bool has_bonded_bundles;
319 struct mbridge *mbridge;
321 struct ovs_mutex stats_mutex;
322 struct netdev_stats stats OVS_GUARDED; /* To account packets generated and
323 * consumed in userspace. */
327 long long int stp_last_tick;
329 /* Rapid Spanning Tree. */
331 long long int rstp_last_tick;
333 /* VLAN splinters. */
334 struct ovs_mutex vsp_mutex;
335 struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */
336 struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */
339 struct sset ports; /* Set of standard port names. */
340 struct sset ghost_ports; /* Ports with no datapath port. */
341 struct sset port_poll_set; /* Queued names for port_poll() reply. */
342 int port_poll_errno; /* Last errno for port_poll() reply. */
343 uint64_t change_seq; /* Connectivity status changes. */
346 struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */
347 struct seq *pins_seq; /* For notifying 'pins' reception. */
351 /* All existing ofproto_dpif instances, indexed by ->up.name. */
352 static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
354 static bool ofproto_use_tnl_push_pop = true;
355 static void ofproto_unixctl_init(void);
357 static inline struct ofproto_dpif *
358 ofproto_dpif_cast(const struct ofproto *ofproto)
360 ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class);
361 return CONTAINER_OF(ofproto, struct ofproto_dpif, up);
365 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto)
367 return ofproto->backer->max_mpls_depth;
371 ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto)
373 return ofproto->backer->enable_recirc;
376 static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto,
377 ofp_port_t ofp_port);
378 static void ofproto_trace(struct ofproto_dpif *, struct flow *,
379 const struct ofpbuf *packet,
380 const struct ofpact[], size_t ofpacts_len,
383 /* Global variables. */
384 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
386 /* Initial mappings of port to bridge mappings. */
387 static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports);
389 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
392 ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
393 struct ofputil_flow_mod *fm)
395 ofproto_flow_mod(&ofproto->up, fm);
398 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
399 * Takes ownership of 'pin' and pin->packet. */
401 ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto,
402 struct ofproto_packet_in *pin)
404 if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) {
405 COVERAGE_INC(packet_in_overflow);
406 free(CONST_CAST(void *, pin->up.packet));
410 /* Wakes up main thread for packet-in I/O. */
411 seq_change(ofproto->pins_seq);
414 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
415 * packet rather than to send the packet to the controller.
417 * This function returns false to indicate that a packet_in message
418 * for a "table-miss" should be sent to at least one controller.
419 * False otherwise. */
421 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto)
423 return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr);
426 /* Factory functions. */
429 init(const struct shash *iface_hints)
431 struct shash_node *node;
433 /* Make a local copy, since we don't own 'iface_hints' elements. */
434 SHASH_FOR_EACH(node, iface_hints) {
435 const struct iface_hint *orig_hint = node->data;
436 struct iface_hint *new_hint = xmalloc(sizeof *new_hint);
438 new_hint->br_name = xstrdup(orig_hint->br_name);
439 new_hint->br_type = xstrdup(orig_hint->br_type);
440 new_hint->ofp_port = orig_hint->ofp_port;
442 shash_add(&init_ofp_ports, node->name, new_hint);
447 enumerate_types(struct sset *types)
449 dp_enumerate_types(types);
453 enumerate_names(const char *type, struct sset *names)
455 struct ofproto_dpif *ofproto;
458 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
459 if (strcmp(type, ofproto->up.type)) {
462 sset_add(names, ofproto->up.name);
469 del(const char *type, const char *name)
474 error = dpif_open(name, type, &dpif);
476 error = dpif_delete(dpif);
483 port_open_type(const char *datapath_type, const char *port_type)
485 return dpif_port_open_type(datapath_type, port_type);
488 /* Type functions. */
490 static void process_dpif_port_changes(struct dpif_backer *);
491 static void process_dpif_all_ports_changed(struct dpif_backer *);
492 static void process_dpif_port_change(struct dpif_backer *,
493 const char *devname);
494 static void process_dpif_port_error(struct dpif_backer *, int error);
496 static struct ofproto_dpif *
497 lookup_ofproto_dpif_by_port_name(const char *name)
499 struct ofproto_dpif *ofproto;
501 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
502 if (sset_contains(&ofproto->ports, name)) {
511 type_run(const char *type)
513 struct dpif_backer *backer;
515 backer = shash_find_data(&all_dpif_backers, type);
517 /* This is not necessarily a problem, since backers are only
518 * created on demand. */
523 if (dpif_run(backer->dpif)) {
524 backer->need_revalidate = REV_RECONFIGURE;
527 udpif_run(backer->udpif);
529 /* If vswitchd started with other_config:flow_restore_wait set as "true",
530 * and the configuration has now changed to "false", enable receiving
531 * packets from the datapath. */
532 if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
535 backer->recv_set_enable = true;
537 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
539 VLOG_ERR("Failed to enable receiving packets in dpif.");
542 dpif_flow_flush(backer->dpif);
543 backer->need_revalidate = REV_RECONFIGURE;
546 if (backer->recv_set_enable) {
547 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
550 dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask);
552 if (backer->need_revalidate) {
553 struct ofproto_dpif *ofproto;
554 struct simap_node *node;
555 struct simap tmp_backers;
557 /* Handle tunnel garbage collection. */
558 simap_init(&tmp_backers);
559 simap_swap(&backer->tnl_backers, &tmp_backers);
561 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
562 struct ofport_dpif *iter;
564 if (backer != ofproto->backer) {
568 HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
569 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
572 if (!iter->is_tunnel) {
576 dp_port = netdev_vport_get_dpif_port(iter->up.netdev,
577 namebuf, sizeof namebuf);
578 node = simap_find(&tmp_backers, dp_port);
580 simap_put(&backer->tnl_backers, dp_port, node->data);
581 simap_delete(&tmp_backers, node);
582 node = simap_find(&backer->tnl_backers, dp_port);
584 node = simap_find(&backer->tnl_backers, dp_port);
586 odp_port_t odp_port = ODPP_NONE;
588 if (!dpif_port_add(backer->dpif, iter->up.netdev,
590 simap_put(&backer->tnl_backers, dp_port,
591 odp_to_u32(odp_port));
592 node = simap_find(&backer->tnl_backers, dp_port);
597 iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
598 if (tnl_port_reconfigure(iter, iter->up.netdev,
600 ovs_native_tunneling_is_on(ofproto), dp_port)) {
601 backer->need_revalidate = REV_RECONFIGURE;
606 SIMAP_FOR_EACH (node, &tmp_backers) {
607 dpif_port_del(backer->dpif, u32_to_odp(node->data));
609 simap_destroy(&tmp_backers);
611 switch (backer->need_revalidate) {
612 case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
613 case REV_STP: COVERAGE_INC(rev_stp); break;
614 case REV_RSTP: COVERAGE_INC(rev_rstp); break;
615 case REV_BOND: COVERAGE_INC(rev_bond); break;
616 case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
617 case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
618 case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break;
619 case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break;
621 backer->need_revalidate = 0;
623 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
624 struct ofport_dpif *ofport;
625 struct ofbundle *bundle;
627 if (ofproto->backer != backer) {
632 xlate_ofproto_set(ofproto, ofproto->up.name,
633 ofproto->backer->dpif, ofproto->ml,
634 ofproto->stp, ofproto->rstp, ofproto->ms,
635 ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
637 ofproto->up.forward_bpdu,
638 connmgr_has_in_band(ofproto->up.connmgr),
639 ofproto->backer->enable_recirc,
640 ofproto->backer->variable_length_userdata,
641 ofproto->backer->max_mpls_depth,
642 ofproto->backer->masked_set_action);
644 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
645 xlate_bundle_set(ofproto, bundle, bundle->name,
646 bundle->vlan_mode, bundle->vlan,
647 bundle->trunks, bundle->use_priority_tags,
648 bundle->bond, bundle->lacp,
652 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
653 int stp_port = ofport->stp_port
654 ? stp_port_no(ofport->stp_port)
656 xlate_ofport_set(ofproto, ofport->bundle, ofport,
657 ofport->up.ofp_port, ofport->odp_port,
658 ofport->up.netdev, ofport->cfm,
659 ofport->bfd, ofport->peer, stp_port,
660 ofport->rstp_port, ofport->qdscp,
661 ofport->n_qdscp, ofport->up.pp.config,
662 ofport->up.pp.state, ofport->is_tunnel,
668 udpif_revalidate(backer->udpif);
671 process_dpif_port_changes(backer);
676 /* Check for and handle port changes in 'backer''s dpif. */
678 process_dpif_port_changes(struct dpif_backer *backer)
684 error = dpif_port_poll(backer->dpif, &devname);
690 process_dpif_all_ports_changed(backer);
694 process_dpif_port_change(backer, devname);
699 process_dpif_port_error(backer, error);
706 process_dpif_all_ports_changed(struct dpif_backer *backer)
708 struct ofproto_dpif *ofproto;
709 struct dpif_port dpif_port;
710 struct dpif_port_dump dump;
711 struct sset devnames;
714 sset_init(&devnames);
715 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
716 if (ofproto->backer == backer) {
717 struct ofport *ofport;
719 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
720 sset_add(&devnames, netdev_get_name(ofport->netdev));
724 DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) {
725 sset_add(&devnames, dpif_port.name);
728 SSET_FOR_EACH (devname, &devnames) {
729 process_dpif_port_change(backer, devname);
731 sset_destroy(&devnames);
735 process_dpif_port_change(struct dpif_backer *backer, const char *devname)
737 struct ofproto_dpif *ofproto;
738 struct dpif_port port;
740 /* Don't report on the datapath's device. */
741 if (!strcmp(devname, dpif_base_name(backer->dpif))) {
745 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
746 &all_ofproto_dpifs) {
747 if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
752 ofproto = lookup_ofproto_dpif_by_port_name(devname);
753 if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
754 /* The port was removed. If we know the datapath,
755 * report it through poll_set(). If we don't, it may be
756 * notifying us of a removal we initiated, so ignore it.
757 * If there's a pending ENOBUFS, let it stand, since
758 * everything will be reevaluated. */
759 if (ofproto && ofproto->port_poll_errno != ENOBUFS) {
760 sset_add(&ofproto->port_poll_set, devname);
761 ofproto->port_poll_errno = 0;
763 } else if (!ofproto) {
764 /* The port was added, but we don't know with which
765 * ofproto we should associate it. Delete it. */
766 dpif_port_del(backer->dpif, port.port_no);
768 struct ofport_dpif *ofport;
770 ofport = ofport_dpif_cast(shash_find_data(
771 &ofproto->up.port_by_name, devname));
773 && ofport->odp_port != port.port_no
774 && !odp_port_to_ofport(backer, port.port_no))
776 /* 'ofport''s datapath port number has changed from
777 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
778 * structures to match. */
779 ovs_rwlock_wrlock(&backer->odp_to_ofport_lock);
780 hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node);
781 ofport->odp_port = port.port_no;
782 hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node,
783 hash_odp_port(port.port_no));
784 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
785 backer->need_revalidate = REV_RECONFIGURE;
788 dpif_port_destroy(&port);
791 /* Propagate 'error' to all ofprotos based on 'backer'. */
793 process_dpif_port_error(struct dpif_backer *backer, int error)
795 struct ofproto_dpif *ofproto;
797 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
798 if (ofproto->backer == backer) {
799 sset_clear(&ofproto->port_poll_set);
800 ofproto->port_poll_errno = error;
806 type_wait(const char *type)
808 struct dpif_backer *backer;
810 backer = shash_find_data(&all_dpif_backers, type);
812 /* This is not necessarily a problem, since backers are only
813 * created on demand. */
817 dpif_wait(backer->dpif);
820 /* Basic life-cycle. */
822 static int add_internal_flows(struct ofproto_dpif *);
824 static struct ofproto *
827 struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto);
832 dealloc(struct ofproto *ofproto_)
834 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
839 close_dpif_backer(struct dpif_backer *backer)
841 ovs_assert(backer->refcount > 0);
843 if (--backer->refcount) {
847 udpif_destroy(backer->udpif);
849 simap_destroy(&backer->tnl_backers);
850 ovs_rwlock_destroy(&backer->odp_to_ofport_lock);
851 hmap_destroy(&backer->odp_to_ofport_map);
852 shash_find_and_delete(&all_dpif_backers, backer->type);
853 recirc_id_pool_destroy(backer->rid_pool);
855 free(backer->dp_version_string);
856 dpif_close(backer->dpif);
860 /* Datapath port slated for removal from datapath. */
862 struct list list_node;
866 static bool check_variable_length_userdata(struct dpif_backer *backer);
867 static size_t check_max_mpls_depth(struct dpif_backer *backer);
868 static bool check_recirc(struct dpif_backer *backer);
869 static bool check_masked_set_action(struct dpif_backer *backer);
872 open_dpif_backer(const char *type, struct dpif_backer **backerp)
874 struct dpif_backer *backer;
875 struct dpif_port_dump port_dump;
876 struct dpif_port port;
877 struct shash_node *node;
878 struct list garbage_list;
879 struct odp_garbage *garbage, *next;
886 backer = shash_find_data(&all_dpif_backers, type);
893 backer_name = xasprintf("ovs-%s", type);
895 /* Remove any existing datapaths, since we assume we're the only
896 * userspace controlling the datapath. */
898 dp_enumerate_names(type, &names);
899 SSET_FOR_EACH(name, &names) {
900 struct dpif *old_dpif;
902 /* Don't remove our backer if it exists. */
903 if (!strcmp(name, backer_name)) {
907 if (dpif_open(name, type, &old_dpif)) {
908 VLOG_WARN("couldn't open old datapath %s to remove it", name);
910 dpif_delete(old_dpif);
911 dpif_close(old_dpif);
914 sset_destroy(&names);
916 backer = xmalloc(sizeof *backer);
918 error = dpif_create_and_open(backer_name, type, &backer->dpif);
921 VLOG_ERR("failed to open datapath of type %s: %s", type,
922 ovs_strerror(error));
926 backer->udpif = udpif_create(backer, backer->dpif);
928 backer->type = xstrdup(type);
929 backer->refcount = 1;
930 hmap_init(&backer->odp_to_ofport_map);
931 ovs_rwlock_init(&backer->odp_to_ofport_lock);
932 backer->need_revalidate = 0;
933 simap_init(&backer->tnl_backers);
934 backer->recv_set_enable = !ofproto_get_flow_restore_wait();
937 if (backer->recv_set_enable) {
938 dpif_flow_flush(backer->dpif);
941 /* Loop through the ports already on the datapath and remove any
942 * that we don't need anymore. */
943 list_init(&garbage_list);
944 dpif_port_dump_start(&port_dump, backer->dpif);
945 while (dpif_port_dump_next(&port_dump, &port)) {
946 node = shash_find(&init_ofp_ports, port.name);
947 if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) {
948 garbage = xmalloc(sizeof *garbage);
949 garbage->odp_port = port.port_no;
950 list_push_front(&garbage_list, &garbage->list_node);
953 dpif_port_dump_done(&port_dump);
955 LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) {
956 dpif_port_del(backer->dpif, garbage->odp_port);
957 list_remove(&garbage->list_node);
961 shash_add(&all_dpif_backers, type, backer);
963 backer->enable_recirc = check_recirc(backer);
964 backer->max_mpls_depth = check_max_mpls_depth(backer);
965 backer->masked_set_action = check_masked_set_action(backer);
966 backer->rid_pool = recirc_id_pool_create();
968 backer->enable_tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif);
969 atomic_count_init(&backer->tnl_count, 0);
971 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
973 VLOG_ERR("failed to listen on datapath of type %s: %s",
974 type, ovs_strerror(error));
975 close_dpif_backer(backer);
979 if (backer->recv_set_enable) {
980 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
983 /* This check fails if performed before udpif threads have been set,
984 * as the kernel module checks that the 'pid' in userspace action
986 backer->variable_length_userdata = check_variable_length_userdata(backer);
987 backer->dp_version_string = dpif_get_dp_version(backer->dpif);
993 ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto)
995 return ofproto_use_tnl_push_pop && ofproto->backer->enable_tnl_push_pop &&
996 atomic_count_get(&ofproto->backer->tnl_count);
999 /* Tests whether 'backer''s datapath supports recirculation. Only newer
1000 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
1001 * features on older datapaths that don't support this feature.
1003 * Returns false if 'backer' definitely does not support recirculation, true if
1004 * it seems to support recirculation or if at least the error we get is
1007 check_recirc(struct dpif_backer *backer)
1010 struct odputil_keybuf keybuf;
1013 bool enable_recirc = false;
1015 memset(&flow, 0, sizeof flow);
1019 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1020 odp_flow_key_from_flow(&key, &flow, NULL, 0, true);
1022 error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
1023 ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL,
1025 if (error && error != EEXIST) {
1026 if (error != EINVAL) {
1027 VLOG_WARN("%s: Reciculation flow probe failed (%s)",
1028 dpif_name(backer->dpif), ovs_strerror(error));
1033 error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key),
1036 VLOG_WARN("%s: failed to delete recirculation feature probe flow",
1037 dpif_name(backer->dpif));
1040 enable_recirc = true;
1043 if (enable_recirc) {
1044 VLOG_INFO("%s: Datapath supports recirculation",
1045 dpif_name(backer->dpif));
1047 VLOG_INFO("%s: Datapath does not support recirculation",
1048 dpif_name(backer->dpif));
1051 return enable_recirc;
1054 /* Tests whether 'backer''s datapath supports variable-length
1055 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1056 * to disable some features on older datapaths that don't support this
1059 * Returns false if 'backer' definitely does not support variable-length
1060 * userdata, true if it seems to support them or if at least the error we get
1063 check_variable_length_userdata(struct dpif_backer *backer)
1065 struct eth_header *eth;
1066 struct ofpbuf actions;
1067 struct dpif_execute execute;
1068 struct ofpbuf packet;
1072 /* Compose a userspace action that will cause an ERANGE error on older
1073 * datapaths that don't support variable-length userdata.
1075 * We really test for using userdata longer than 8 bytes, but older
1076 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1077 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1078 * test for that instead as a proxy for longer userdata support. */
1079 ofpbuf_init(&actions, 64);
1080 start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE);
1081 nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID,
1082 dpif_port_get_pid(backer->dpif, ODPP_NONE, 0));
1083 nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4);
1084 nl_msg_end_nested(&actions, start);
1086 /* Compose a dummy ethernet packet. */
1087 ofpbuf_init(&packet, ETH_HEADER_LEN);
1088 eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
1089 eth->eth_type = htons(0x1234);
1091 /* Execute the actions. On older datapaths this fails with ERANGE, on
1092 * newer datapaths it succeeds. */
1093 execute.actions = ofpbuf_data(&actions);
1094 execute.actions_len = ofpbuf_size(&actions);
1095 execute.packet = &packet;
1096 execute.md = PKT_METADATA_INITIALIZER(0);
1097 execute.needs_help = false;
1098 execute.probe = true;
1100 error = dpif_execute(backer->dpif, &execute);
1102 ofpbuf_uninit(&packet);
1103 ofpbuf_uninit(&actions);
1110 /* Variable-length userdata is not supported. */
1111 VLOG_WARN("%s: datapath does not support variable-length userdata "
1112 "feature (needs Linux 3.10+ or kernel module from OVS "
1113 "1..11+). The NXAST_SAMPLE action will be ignored.",
1114 dpif_name(backer->dpif));
1118 /* Something odd happened. We're not sure whether variable-length
1119 * userdata is supported. Default to "yes". */
1120 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1121 dpif_name(backer->dpif), ovs_strerror(error));
1126 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1128 * Returns the number of elements in a struct flow's mpls_lse field
1129 * if the datapath supports at least that many entries in an
1131 * Otherwise returns the number of MPLS push actions supported by
1134 check_max_mpls_depth(struct dpif_backer *backer)
1139 for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) {
1140 struct odputil_keybuf keybuf;
1144 memset(&flow, 0, sizeof flow);
1145 flow.dl_type = htons(ETH_TYPE_MPLS);
1146 flow_set_mpls_bos(&flow, n, 1);
1148 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1149 odp_flow_key_from_flow(&key, &flow, NULL, 0, false);
1151 error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
1152 ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0,
1153 NULL, 0, NULL, NULL);
1154 if (error && error != EEXIST) {
1155 if (error != EINVAL) {
1156 VLOG_WARN("%s: MPLS stack length feature probe failed (%s)",
1157 dpif_name(backer->dpif), ovs_strerror(error));
1162 error = dpif_flow_del(backer->dpif, ofpbuf_data(&key),
1163 ofpbuf_size(&key), NULL, NULL);
1165 VLOG_WARN("%s: failed to delete MPLS feature probe flow",
1166 dpif_name(backer->dpif));
1170 VLOG_INFO("%s: MPLS label stack length probed as %d",
1171 dpif_name(backer->dpif), n);
1175 /* Tests whether 'backer''s datapath supports masked data in
1176 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1177 * datapaths that don't support this feature. */
1179 check_masked_set_action(struct dpif_backer *backer)
1181 struct eth_header *eth;
1182 struct ofpbuf actions;
1183 struct dpif_execute execute;
1184 struct ofpbuf packet;
1186 struct ovs_key_ethernet key, mask;
1188 /* Compose a set action that will cause an EINVAL error on older
1189 * datapaths that don't support masked set actions.
1190 * Avoid using a full mask, as it could be translated to a non-masked
1191 * set action instead. */
1192 ofpbuf_init(&actions, 64);
1193 memset(&key, 0x53, sizeof key);
1194 memset(&mask, 0x7f, sizeof mask);
1195 commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
1198 /* Compose a dummy ethernet packet. */
1199 ofpbuf_init(&packet, ETH_HEADER_LEN);
1200 eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
1201 eth->eth_type = htons(0x1234);
1203 /* Execute the actions. On older datapaths this fails with EINVAL, on
1204 * newer datapaths it succeeds. */
1205 execute.actions = ofpbuf_data(&actions);
1206 execute.actions_len = ofpbuf_size(&actions);
1207 execute.packet = &packet;
1208 execute.md = PKT_METADATA_INITIALIZER(0);
1209 execute.needs_help = false;
1210 execute.probe = true;
1212 error = dpif_execute(backer->dpif, &execute);
1214 ofpbuf_uninit(&packet);
1215 ofpbuf_uninit(&actions);
1218 /* Masked set action is not supported. */
1219 VLOG_INFO("%s: datapath does not support masked set action feature.",
1220 dpif_name(backer->dpif));
1226 construct(struct ofproto *ofproto_)
1228 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1229 struct shash_node *node, *next;
1232 error = open_dpif_backer(ofproto->up.type, &ofproto->backer);
1237 ofproto->netflow = NULL;
1238 ofproto->sflow = NULL;
1239 ofproto->ipfix = NULL;
1240 ofproto->stp = NULL;
1241 ofproto->rstp = NULL;
1242 ofproto->dump_seq = 0;
1243 hmap_init(&ofproto->bundles);
1244 ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
1246 ofproto->mbridge = mbridge_create();
1247 ofproto->has_bonded_bundles = false;
1248 ofproto->lacp_enabled = false;
1249 ofproto_tunnel_init();
1250 ovs_mutex_init_adaptive(&ofproto->stats_mutex);
1251 ovs_mutex_init(&ofproto->vsp_mutex);
1253 guarded_list_init(&ofproto->pins);
1255 ofproto_unixctl_init();
1257 hmap_init(&ofproto->vlandev_map);
1258 hmap_init(&ofproto->realdev_vid_map);
1260 sset_init(&ofproto->ports);
1261 sset_init(&ofproto->ghost_ports);
1262 sset_init(&ofproto->port_poll_set);
1263 ofproto->port_poll_errno = 0;
1264 ofproto->change_seq = 0;
1265 ofproto->pins_seq = seq_create();
1266 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1269 SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) {
1270 struct iface_hint *iface_hint = node->data;
1272 if (!strcmp(iface_hint->br_name, ofproto->up.name)) {
1273 /* Check if the datapath already has this port. */
1274 if (dpif_port_exists(ofproto->backer->dpif, node->name)) {
1275 sset_add(&ofproto->ports, node->name);
1278 free(iface_hint->br_name);
1279 free(iface_hint->br_type);
1281 shash_delete(&init_ofp_ports, node);
1285 hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
1286 hash_string(ofproto->up.name, 0));
1287 memset(&ofproto->stats, 0, sizeof ofproto->stats);
1289 ofproto_init_tables(ofproto_, N_TABLES);
1290 error = add_internal_flows(ofproto);
1292 ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
1298 add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
1299 const struct ofpbuf *ofpacts, struct rule_dpif **rulep)
1305 match_init_catchall(&match);
1306 match_set_reg(&match, 0, id);
1308 error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
1310 *rulep = error ? NULL : rule_dpif_cast(rule);
1316 add_internal_flows(struct ofproto_dpif *ofproto)
1318 struct ofpact_controller *controller;
1319 uint64_t ofpacts_stub[128 / 8];
1320 struct ofpbuf ofpacts;
1321 struct rule *unused_rulep OVS_UNUSED;
1322 struct ofpact_resubmit *resubmit;
1327 ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
1330 controller = ofpact_put_CONTROLLER(&ofpacts);
1331 controller->max_len = UINT16_MAX;
1332 controller->controller_id = 0;
1333 controller->reason = OFPR_NO_MATCH;
1334 ofpact_pad(&ofpacts);
1336 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1337 &ofproto->miss_rule);
1342 ofpbuf_clear(&ofpacts);
1343 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1344 &ofproto->no_packet_in_rule);
1349 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1350 &ofproto->drop_frags_rule);
1355 /* Continue non-recirculation rule lookups from table 0.
1357 * (priority=2), recirc=0, actions=resubmit(, 0)
1359 resubmit = ofpact_put_RESUBMIT(&ofpacts);
1360 resubmit->in_port = OFPP_IN_PORT;
1361 resubmit->table_id = 0;
1363 match_init_catchall(&match);
1364 match_set_recirc_id(&match, 0);
1366 error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
1372 /* Drop any run away recirc rule lookups. Recirc_id has to be
1373 * non-zero when reaching this rule.
1375 * (priority=1), *, actions=drop
1377 ofpbuf_clear(&ofpacts);
1378 match_init_catchall(&match);
1379 error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, 0, &ofpacts,
1386 destruct(struct ofproto *ofproto_)
1388 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1389 struct ofproto_packet_in *pin, *next_pin;
1390 struct rule_dpif *rule;
1391 struct oftable *table;
1394 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1396 xlate_remove_ofproto(ofproto);
1399 /* Ensure that the upcall processing threads have no remaining references
1400 * to the ofproto or anything in it. */
1401 udpif_synchronize(ofproto->backer->udpif);
1403 hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
1405 OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
1406 CLS_FOR_EACH (rule, up.cr, &table->cls) {
1407 ofproto_rule_delete(&ofproto->up, &rule->up);
1411 guarded_list_pop_all(&ofproto->pins, &pins);
1412 LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) {
1413 list_remove(&pin->list_node);
1414 free(CONST_CAST(void *, pin->up.packet));
1417 guarded_list_destroy(&ofproto->pins);
1419 mbridge_unref(ofproto->mbridge);
1421 netflow_unref(ofproto->netflow);
1422 dpif_sflow_unref(ofproto->sflow);
1423 dpif_ipfix_unref(ofproto->ipfix);
1424 hmap_destroy(&ofproto->bundles);
1425 mac_learning_unref(ofproto->ml);
1426 mcast_snooping_unref(ofproto->ms);
1428 hmap_destroy(&ofproto->vlandev_map);
1429 hmap_destroy(&ofproto->realdev_vid_map);
1431 sset_destroy(&ofproto->ports);
1432 sset_destroy(&ofproto->ghost_ports);
1433 sset_destroy(&ofproto->port_poll_set);
1435 ovs_mutex_destroy(&ofproto->stats_mutex);
1436 ovs_mutex_destroy(&ofproto->vsp_mutex);
1438 seq_destroy(ofproto->pins_seq);
1440 close_dpif_backer(ofproto->backer);
1444 run(struct ofproto *ofproto_)
1446 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1447 uint64_t new_seq, new_dump_seq;
1449 if (mbridge_need_revalidate(ofproto->mbridge)) {
1450 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1451 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1452 mac_learning_flush(ofproto->ml);
1453 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1454 mcast_snooping_mdb_flush(ofproto->ms);
1457 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1458 * flow restore. Even though nothing is processed during flow restore,
1459 * all queued 'pins' will be handled immediately when flow restore
1461 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1463 /* Do not perform any periodic activity required by 'ofproto' while
1464 * waiting for flow restore to complete. */
1465 if (!ofproto_get_flow_restore_wait()) {
1466 struct ofproto_packet_in *pin, *next_pin;
1469 guarded_list_pop_all(&ofproto->pins, &pins);
1470 LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) {
1471 connmgr_send_packet_in(ofproto->up.connmgr, pin);
1472 list_remove(&pin->list_node);
1473 free(CONST_CAST(void *, pin->up.packet));
1478 if (ofproto->netflow) {
1479 netflow_run(ofproto->netflow);
1481 if (ofproto->sflow) {
1482 dpif_sflow_run(ofproto->sflow);
1484 if (ofproto->ipfix) {
1485 dpif_ipfix_run(ofproto->ipfix);
1488 new_seq = seq_read(connectivity_seq_get());
1489 if (ofproto->change_seq != new_seq) {
1490 struct ofport_dpif *ofport;
1492 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1496 ofproto->change_seq = new_seq;
1498 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1499 struct ofbundle *bundle;
1501 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1508 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1509 if (mac_learning_run(ofproto->ml)) {
1510 ofproto->backer->need_revalidate = REV_MAC_LEARNING;
1512 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1514 if (mcast_snooping_run(ofproto->ms)) {
1515 ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
1518 new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
1519 if (ofproto->dump_seq != new_dump_seq) {
1520 struct rule *rule, *next_rule;
1522 /* We know stats are relatively fresh, so now is a good time to do some
1524 ofproto->dump_seq = new_dump_seq;
1526 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1528 ovs_mutex_lock(&ofproto_mutex);
1529 LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
1530 &ofproto->up.expirable) {
1531 rule_expire(rule_dpif_cast(rule));
1533 ovs_mutex_unlock(&ofproto_mutex);
1535 /* All outstanding data in existing flows has been accounted, so it's a
1536 * good time to do bond rebalancing. */
1537 if (ofproto->has_bonded_bundles) {
1538 struct ofbundle *bundle;
1540 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1542 bond_rebalance(bundle->bond);
1551 wait(struct ofproto *ofproto_)
1553 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1555 if (ofproto_get_flow_restore_wait()) {
1559 if (ofproto->sflow) {
1560 dpif_sflow_wait(ofproto->sflow);
1562 if (ofproto->ipfix) {
1563 dpif_ipfix_wait(ofproto->ipfix);
1565 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1566 struct ofbundle *bundle;
1568 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1569 bundle_wait(bundle);
1572 if (ofproto->netflow) {
1573 netflow_wait(ofproto->netflow);
1575 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
1576 mac_learning_wait(ofproto->ml);
1577 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1578 mcast_snooping_wait(ofproto->ms);
1580 if (ofproto->backer->need_revalidate) {
1581 /* Shouldn't happen, but if it does just go around again. */
1582 VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()");
1583 poll_immediate_wake();
1586 seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq);
1587 seq_wait(ofproto->pins_seq, ofproto->pins_seqno);
1591 type_get_memory_usage(const char *type, struct simap *usage)
1593 struct dpif_backer *backer;
1595 backer = shash_find_data(&all_dpif_backers, type);
1597 udpif_get_memory_usage(backer->udpif, usage);
1602 flush(struct ofproto *ofproto_)
1604 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1605 struct dpif_backer *backer = ofproto->backer;
1608 udpif_flush(backer->udpif);
1613 query_tables(struct ofproto *ofproto,
1614 struct ofputil_table_features *features,
1615 struct ofputil_table_stats *stats)
1617 strcpy(features->name, "classifier");
1622 for (i = 0; i < ofproto->n_tables; i++) {
1623 unsigned long missed, matched;
1625 atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
1626 atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
1628 stats[i].matched_count = matched;
1629 stats[i].lookup_count = matched + missed;
1634 static struct ofport *
1637 struct ofport_dpif *port = xmalloc(sizeof *port);
1642 port_dealloc(struct ofport *port_)
1644 struct ofport_dpif *port = ofport_dpif_cast(port_);
1649 port_construct(struct ofport *port_)
1651 struct ofport_dpif *port = ofport_dpif_cast(port_);
1652 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1653 const struct netdev *netdev = port->up.netdev;
1654 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1655 struct dpif_port dpif_port;
1658 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1659 port->bundle = NULL;
1662 port->may_enable = false;
1663 port->stp_port = NULL;
1664 port->stp_state = STP_DISABLED;
1665 port->rstp_port = NULL;
1666 port->rstp_state = RSTP_DISABLED;
1667 port->is_tunnel = false;
1671 port->realdev_ofp_port = 0;
1672 port->vlandev_vid = 0;
1673 port->carrier_seq = netdev_get_carrier_resets(netdev);
1674 port->is_layer3 = netdev_vport_is_layer3(netdev);
1676 if (netdev_vport_is_patch(netdev)) {
1677 /* By bailing out here, we don't submit the port to the sFlow module
1678 * to be considered for counter polling export. This is correct
1679 * because the patch port represents an interface that sFlow considers
1680 * to be "internal" to the switch as a whole, and therefore not an
1681 * candidate for counter polling. */
1682 port->odp_port = ODPP_NONE;
1683 ofport_update_peer(port);
1687 error = dpif_port_query_by_name(ofproto->backer->dpif,
1688 netdev_vport_get_dpif_port(netdev, namebuf,
1695 port->odp_port = dpif_port.port_no;
1697 if (netdev_get_tunnel_config(netdev)) {
1698 atomic_count_inc(&ofproto->backer->tnl_count);
1699 tnl_port_add(port, port->up.netdev, port->odp_port,
1700 ovs_native_tunneling_is_on(ofproto), namebuf);
1701 port->is_tunnel = true;
1702 if (ofproto->ipfix) {
1703 dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
1706 /* Sanity-check that a mapping doesn't already exist. This
1707 * shouldn't happen for non-tunnel ports. */
1708 if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
1709 VLOG_ERR("port %s already has an OpenFlow port number",
1711 dpif_port_destroy(&dpif_port);
1715 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1716 hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
1717 hash_odp_port(port->odp_port));
1718 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1720 dpif_port_destroy(&dpif_port);
1722 if (ofproto->sflow) {
1723 dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
1730 port_destruct(struct ofport *port_)
1732 struct ofport_dpif *port = ofport_dpif_cast(port_);
1733 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1734 const char *devname = netdev_get_name(port->up.netdev);
1735 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1736 const char *dp_port_name;
1738 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1740 xlate_ofport_remove(port);
1743 dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf,
1745 if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
1746 /* The underlying device is still there, so delete it. This
1747 * happens when the ofproto is being destroyed, since the caller
1748 * assumes that removal of attached ports will happen as part of
1750 if (!port->is_tunnel) {
1751 dpif_port_del(ofproto->backer->dpif, port->odp_port);
1756 port->peer->peer = NULL;
1760 if (port->odp_port != ODPP_NONE && !port->is_tunnel) {
1761 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1762 hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
1763 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1766 if (port->is_tunnel) {
1767 atomic_count_dec(&ofproto->backer->tnl_count);
1770 if (port->is_tunnel && ofproto->ipfix) {
1771 dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
1775 sset_find_and_delete(&ofproto->ports, devname);
1776 sset_find_and_delete(&ofproto->ghost_ports, devname);
1777 bundle_remove(port_);
1778 set_cfm(port_, NULL);
1779 set_bfd(port_, NULL);
1780 if (port->stp_port) {
1781 stp_port_disable(port->stp_port);
1783 set_rstp_port(port_, NULL);
1784 if (ofproto->sflow) {
1785 dpif_sflow_del_port(ofproto->sflow, port->odp_port);
1792 port_modified(struct ofport *port_)
1794 struct ofport_dpif *port = ofport_dpif_cast(port_);
1795 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1796 struct netdev *netdev = port->up.netdev;
1798 if (port->bundle && port->bundle->bond) {
1799 bond_slave_set_netdev(port->bundle->bond, port, netdev);
1803 cfm_set_netdev(port->cfm, netdev);
1807 bfd_set_netdev(port->bfd, netdev);
1810 ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
1811 port->up.pp.hw_addr);
1813 netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1815 if (port->is_tunnel) {
1816 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1818 if (tnl_port_reconfigure(port, netdev, port->odp_port,
1819 ovs_native_tunneling_is_on(ofproto), namebuf)) {
1820 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1824 ofport_update_peer(port);
1828 port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config)
1830 struct ofport_dpif *port = ofport_dpif_cast(port_);
1831 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1832 enum ofputil_port_config changed = old_config ^ port->up.pp.config;
1834 if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
1835 OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
1836 OFPUTIL_PC_NO_PACKET_IN)) {
1837 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1839 if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
1840 bundle_update(port->bundle);
1846 set_sflow(struct ofproto *ofproto_,
1847 const struct ofproto_sflow_options *sflow_options)
1849 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1850 struct dpif_sflow *ds = ofproto->sflow;
1852 if (sflow_options) {
1854 struct ofport_dpif *ofport;
1856 ds = ofproto->sflow = dpif_sflow_create();
1857 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1858 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
1860 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1862 dpif_sflow_set_options(ds, sflow_options);
1865 dpif_sflow_unref(ds);
1866 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1867 ofproto->sflow = NULL;
1875 struct ofproto *ofproto_,
1876 const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
1877 const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
1878 size_t n_flow_exporters_options)
1880 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1881 struct dpif_ipfix *di = ofproto->ipfix;
1882 bool has_options = bridge_exporter_options || flow_exporters_options;
1883 bool new_di = false;
1885 if (has_options && !di) {
1886 di = ofproto->ipfix = dpif_ipfix_create();
1891 /* Call set_options in any case to cleanly flush the flow
1892 * caches in the last exporters that are to be destroyed. */
1893 dpif_ipfix_set_options(
1894 di, bridge_exporter_options, flow_exporters_options,
1895 n_flow_exporters_options);
1897 /* Add tunnel ports only when a new ipfix created */
1898 if (new_di == true) {
1899 struct ofport_dpif *ofport;
1900 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1901 if (ofport->is_tunnel == true) {
1902 dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
1908 dpif_ipfix_unref(di);
1909 ofproto->ipfix = NULL;
1917 set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
1919 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1924 struct ofproto_dpif *ofproto;
1926 ofproto = ofproto_dpif_cast(ofport->up.ofproto);
1927 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1928 ofport->cfm = cfm_create(ofport->up.netdev);
1931 if (cfm_configure(ofport->cfm, s)) {
1938 cfm_unref(ofport->cfm);
1941 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1942 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->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);
2011 /* Spanning Tree. */
2013 /* Called while rstp_mutex is held. */
2015 rstp_send_bpdu_cb(struct ofpbuf *pkt, void *ofport_, void *ofproto_)
2017 struct ofproto_dpif *ofproto = ofproto_;
2018 struct ofport_dpif *ofport = ofport_;
2019 struct eth_header *eth = ofpbuf_l2(pkt);
2021 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2022 if (eth_addr_is_zero(eth->eth_src)) {
2023 VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
2024 "does not have a configured source MAC address.",
2025 ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
2027 ofproto_dpif_send_packet(ofport, pkt);
2033 send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_)
2035 struct ofproto_dpif *ofproto = ofproto_;
2036 struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
2037 struct ofport_dpif *ofport;
2039 ofport = stp_port_get_aux(sp);
2041 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
2042 ofproto->up.name, port_num);
2044 struct eth_header *eth = ofpbuf_l2(pkt);
2046 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2047 if (eth_addr_is_zero(eth->eth_src)) {
2048 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
2049 "with unknown MAC", ofproto->up.name, port_num);
2051 ofproto_dpif_send_packet(ofport, pkt);
2057 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2059 set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
2061 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2063 /* Only revalidate flows if the configuration changed. */
2064 if (!s != !ofproto->rstp) {
2065 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2069 if (!ofproto->rstp) {
2070 ofproto->rstp = rstp_create(ofproto_->name, s->address,
2071 rstp_send_bpdu_cb, ofproto);
2072 ofproto->rstp_last_tick = time_msec();
2074 rstp_set_bridge_address(ofproto->rstp, s->address);
2075 rstp_set_bridge_priority(ofproto->rstp, s->priority);
2076 rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
2077 rstp_set_bridge_force_protocol_version(ofproto->rstp,
2078 s->force_protocol_version);
2079 rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
2080 rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
2081 rstp_set_bridge_transmit_hold_count(ofproto->rstp,
2082 s->transmit_hold_count);
2084 struct ofport *ofport;
2085 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2086 set_rstp_port(ofport, NULL);
2088 rstp_unref(ofproto->rstp);
2089 ofproto->rstp = NULL;
2094 get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
2096 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2098 if (ofproto->rstp) {
2100 s->root_id = rstp_get_root_id(ofproto->rstp);
2101 s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
2102 s->designated_id = rstp_get_designated_id(ofproto->rstp);
2103 s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
2104 s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
2105 s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
2112 update_rstp_port_state(struct ofport_dpif *ofport)
2114 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2115 enum rstp_state state;
2117 /* Figure out new state. */
2118 state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
2122 if (ofport->rstp_state != state) {
2123 enum ofputil_port_state of_state;
2126 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2127 netdev_get_name(ofport->up.netdev),
2128 rstp_state_name(ofport->rstp_state),
2129 rstp_state_name(state));
2131 if (rstp_learn_in_state(ofport->rstp_state)
2132 != rstp_learn_in_state(state)) {
2133 /* XXX: Learning action flows should also be flushed. */
2134 if (ofport->bundle) {
2135 if (!rstp_shift_root_learned_address(ofproto->rstp)
2136 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2137 bundle_flush_macs(ofport->bundle, false);
2141 fwd_change = rstp_forward_in_state(ofport->rstp_state)
2142 != rstp_forward_in_state(state);
2144 ofproto->backer->need_revalidate = REV_RSTP;
2145 ofport->rstp_state = state;
2147 if (fwd_change && ofport->bundle) {
2148 bundle_update(ofport->bundle);
2151 /* Update the RSTP state bits in the OpenFlow port description. */
2152 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2153 of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
2154 : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2155 : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN
2157 ofproto_port_set_state(&ofport->up, of_state);
2162 rstp_run(struct ofproto_dpif *ofproto)
2164 if (ofproto->rstp) {
2165 long long int now = time_msec();
2166 long long int elapsed = now - ofproto->rstp_last_tick;
2167 struct rstp_port *rp;
2168 struct ofport_dpif *ofport;
2170 /* Every second, decrease the values of the timers. */
2171 if (elapsed >= 1000) {
2172 rstp_tick_timers(ofproto->rstp);
2173 ofproto->rstp_last_tick = now;
2176 while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
2177 update_rstp_port_state(ofport);
2181 /* FIXME: This check should be done on-event (i.e., when setting
2182 * p->fdb_flush) and not periodically.
2184 while ((ofport = rstp_check_and_reset_fdb_flush(ofproto->rstp, &rp))) {
2185 if (!rstp_shift_root_learned_address(ofproto->rstp)
2186 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2187 bundle_flush_macs(ofport->bundle, false);
2191 if (rstp_shift_root_learned_address(ofproto->rstp)) {
2192 bundle_move(((struct ofport_dpif *)rstp_get_old_root_aux(ofproto->rstp))->bundle,
2193 ((struct ofport_dpif *)rstp_get_new_root_aux(ofproto->rstp))->bundle);
2194 rstp_reset_root_changed(ofproto->rstp);
2199 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2201 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
2203 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2205 /* Only revalidate flows if the configuration changed. */
2206 if (!s != !ofproto->stp) {
2207 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2211 if (!ofproto->stp) {
2212 ofproto->stp = stp_create(ofproto_->name, s->system_id,
2213 send_bpdu_cb, ofproto);
2214 ofproto->stp_last_tick = time_msec();
2217 stp_set_bridge_id(ofproto->stp, s->system_id);
2218 stp_set_bridge_priority(ofproto->stp, s->priority);
2219 stp_set_hello_time(ofproto->stp, s->hello_time);
2220 stp_set_max_age(ofproto->stp, s->max_age);
2221 stp_set_forward_delay(ofproto->stp, s->fwd_delay);
2223 struct ofport *ofport;
2225 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2226 set_stp_port(ofport, NULL);
2229 stp_unref(ofproto->stp);
2230 ofproto->stp = NULL;
2237 get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
2239 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2243 s->bridge_id = stp_get_bridge_id(ofproto->stp);
2244 s->designated_root = stp_get_designated_root(ofproto->stp);
2245 s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
2254 update_stp_port_state(struct ofport_dpif *ofport)
2256 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2257 enum stp_state state;
2259 /* Figure out new state. */
2260 state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
2264 if (ofport->stp_state != state) {
2265 enum ofputil_port_state of_state;
2268 VLOG_DBG("port %s: STP state changed from %s to %s",
2269 netdev_get_name(ofport->up.netdev),
2270 stp_state_name(ofport->stp_state),
2271 stp_state_name(state));
2272 if (stp_learn_in_state(ofport->stp_state)
2273 != stp_learn_in_state(state)) {
2274 /* xxx Learning action flows should also be flushed. */
2275 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2276 mac_learning_flush(ofproto->ml);
2277 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2278 mcast_snooping_mdb_flush(ofproto->ms);
2280 fwd_change = stp_forward_in_state(ofport->stp_state)
2281 != stp_forward_in_state(state);
2283 ofproto->backer->need_revalidate = REV_STP;
2284 ofport->stp_state = state;
2285 ofport->stp_state_entered = time_msec();
2287 if (fwd_change && ofport->bundle) {
2288 bundle_update(ofport->bundle);
2291 /* Update the STP state bits in the OpenFlow port description. */
2292 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2293 of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN
2294 : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN
2295 : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2296 : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK
2298 ofproto_port_set_state(&ofport->up, of_state);
2302 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2303 * caller is responsible for assigning STP port numbers and ensuring
2304 * there are no duplicates. */
2306 set_stp_port(struct ofport *ofport_,
2307 const struct ofproto_port_stp_settings *s)
2309 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2310 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2311 struct stp_port *sp = ofport->stp_port;
2313 if (!s || !s->enable) {
2315 ofport->stp_port = NULL;
2316 stp_port_disable(sp);
2317 update_stp_port_state(ofport);
2320 } else if (sp && stp_port_no(sp) != s->port_num
2321 && ofport == stp_port_get_aux(sp)) {
2322 /* The port-id changed, so disable the old one if it's not
2323 * already in use by another port. */
2324 stp_port_disable(sp);
2327 sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
2329 /* Set name before enabling the port so that debugging messages can print
2331 stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
2332 stp_port_enable(sp);
2334 stp_port_set_aux(sp, ofport);
2335 stp_port_set_priority(sp, s->priority);
2336 stp_port_set_path_cost(sp, s->path_cost);
2338 update_stp_port_state(ofport);
2344 get_stp_port_status(struct ofport *ofport_,
2345 struct ofproto_port_stp_status *s)
2347 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2348 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2349 struct stp_port *sp = ofport->stp_port;
2351 if (!ofproto->stp || !sp) {
2357 s->port_id = stp_port_get_id(sp);
2358 s->state = stp_port_get_state(sp);
2359 s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
2360 s->role = stp_port_get_role(sp);
2366 get_stp_port_stats(struct ofport *ofport_,
2367 struct ofproto_port_stp_stats *s)
2369 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2370 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2371 struct stp_port *sp = ofport->stp_port;
2373 if (!ofproto->stp || !sp) {
2379 stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
2385 stp_run(struct ofproto_dpif *ofproto)
2388 long long int now = time_msec();
2389 long long int elapsed = now - ofproto->stp_last_tick;
2390 struct stp_port *sp;
2393 stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
2394 ofproto->stp_last_tick = now;
2396 while (stp_get_changed_port(ofproto->stp, &sp)) {
2397 struct ofport_dpif *ofport = stp_port_get_aux(sp);
2400 update_stp_port_state(ofport);
2404 if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
2405 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2406 mac_learning_flush(ofproto->ml);
2407 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2408 mcast_snooping_mdb_flush(ofproto->ms);
2414 stp_wait(struct ofproto_dpif *ofproto)
2417 poll_timer_wait(1000);
2421 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2422 * caller is responsible for assigning RSTP port numbers and ensuring
2423 * there are no duplicates. */
2425 set_rstp_port(struct ofport *ofport_,
2426 const struct ofproto_port_rstp_settings *s)
2428 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2429 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2430 struct rstp_port *rp = ofport->rstp_port;
2432 if (!s || !s->enable) {
2434 rstp_port_unref(rp);
2435 ofport->rstp_port = NULL;
2436 update_rstp_port_state(ofport);
2441 /* Check if need to add a new port. */
2443 rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
2446 rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
2447 s->admin_edge_port, s->auto_edge,
2448 s->admin_p2p_mac_state, s->admin_port_state, s->mcheck,
2450 update_rstp_port_state(ofport);
2451 /* Synchronize operational status. */
2452 rstp_port_set_mac_operational(rp, ofport->may_enable);
2456 get_rstp_port_status(struct ofport *ofport_,
2457 struct ofproto_port_rstp_status *s)
2459 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2460 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2461 struct rstp_port *rp = ofport->rstp_port;
2463 if (!ofproto->rstp || !rp) {
2469 rstp_port_get_status(rp, &s->port_id, &s->state, &s->role,
2470 &s->designated_bridge_id, &s->designated_port_id,
2471 &s->designated_path_cost, &s->tx_count,
2472 &s->rx_count, &s->error_count, &s->uptime);
2477 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
2480 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2481 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2483 if (ofport->n_qdscp != n_qdscp
2484 || (n_qdscp && memcmp(ofport->qdscp, qdscp,
2485 n_qdscp * sizeof *qdscp))) {
2486 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2487 free(ofport->qdscp);
2488 ofport->qdscp = n_qdscp
2489 ? xmemdup(qdscp, n_qdscp * sizeof *qdscp)
2491 ofport->n_qdscp = n_qdscp;
2499 /* Expires all MAC learning entries associated with 'bundle' and forces its
2500 * ofproto to revalidate every flow.
2502 * Normally MAC learning entries are removed only from the ofproto associated
2503 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2504 * are removed from every ofproto. When patch ports and SLB bonds are in use
2505 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2506 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2507 * with the host from which it migrated. */
2509 bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
2511 struct ofproto_dpif *ofproto = bundle->ofproto;
2512 struct mac_learning *ml = ofproto->ml;
2513 struct mac_entry *mac, *next_mac;
2515 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2516 ovs_rwlock_wrlock(&ml->rwlock);
2517 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2518 if (mac->port.p == bundle) {
2520 struct ofproto_dpif *o;
2522 HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
2524 struct mac_entry *e;
2526 ovs_rwlock_wrlock(&o->ml->rwlock);
2527 e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
2529 mac_learning_expire(o->ml, e);
2531 ovs_rwlock_unlock(&o->ml->rwlock);
2536 mac_learning_expire(ml, mac);
2539 ovs_rwlock_unlock(&ml->rwlock);
2543 bundle_move(struct ofbundle *old, struct ofbundle *new)
2545 struct ofproto_dpif *ofproto = old->ofproto;
2546 struct mac_learning *ml = ofproto->ml;
2547 struct mac_entry *mac, *next_mac;
2549 ovs_assert(new->ofproto == old->ofproto);
2551 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2552 ovs_rwlock_wrlock(&ml->rwlock);
2553 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2554 if (mac->port.p == old) {
2558 ovs_rwlock_unlock(&ml->rwlock);
2561 static struct ofbundle *
2562 bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
2564 struct ofbundle *bundle;
2566 HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0),
2567 &ofproto->bundles) {
2568 if (bundle->aux == aux) {
2576 bundle_update(struct ofbundle *bundle)
2578 struct ofport_dpif *port;
2580 bundle->floodable = true;
2581 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2582 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2584 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2585 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2586 bundle->floodable = false;
2593 bundle_del_port(struct ofport_dpif *port)
2595 struct ofbundle *bundle = port->bundle;
2597 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2599 list_remove(&port->bundle_node);
2600 port->bundle = NULL;
2603 lacp_slave_unregister(bundle->lacp, port);
2606 bond_slave_unregister(bundle->bond, port);
2609 bundle_update(bundle);
2613 bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port,
2614 struct lacp_slave_settings *lacp)
2616 struct ofport_dpif *port;
2618 port = get_ofp_port(bundle->ofproto, ofp_port);
2623 if (port->bundle != bundle) {
2624 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2626 bundle_remove(&port->up);
2629 port->bundle = bundle;
2630 list_push_back(&bundle->ports, &port->bundle_node);
2631 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2633 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2634 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2635 bundle->floodable = false;
2639 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2640 lacp_slave_register(bundle->lacp, port, lacp);
2647 bundle_destroy(struct ofbundle *bundle)
2649 struct ofproto_dpif *ofproto;
2650 struct ofport_dpif *port, *next_port;
2656 ofproto = bundle->ofproto;
2657 mbridge_unregister_bundle(ofproto->mbridge, bundle->aux);
2660 xlate_bundle_remove(bundle);
2663 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2664 bundle_del_port(port);
2667 bundle_flush_macs(bundle, true);
2668 hmap_remove(&ofproto->bundles, &bundle->hmap_node);
2670 free(bundle->trunks);
2671 lacp_unref(bundle->lacp);
2672 bond_unref(bundle->bond);
2677 bundle_set(struct ofproto *ofproto_, void *aux,
2678 const struct ofproto_bundle_settings *s)
2680 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2681 bool need_flush = false;
2682 struct ofport_dpif *port;
2683 struct ofbundle *bundle;
2684 unsigned long *trunks;
2690 bundle_destroy(bundle_lookup(ofproto, aux));
2694 ovs_assert(s->n_slaves == 1 || s->bond != NULL);
2695 ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL));
2697 bundle = bundle_lookup(ofproto, aux);
2699 bundle = xmalloc(sizeof *bundle);
2701 bundle->ofproto = ofproto;
2702 hmap_insert(&ofproto->bundles, &bundle->hmap_node,
2703 hash_pointer(aux, 0));
2705 bundle->name = NULL;
2707 list_init(&bundle->ports);
2708 bundle->vlan_mode = PORT_VLAN_TRUNK;
2710 bundle->trunks = NULL;
2711 bundle->use_priority_tags = s->use_priority_tags;
2712 bundle->lacp = NULL;
2713 bundle->bond = NULL;
2715 bundle->floodable = true;
2716 mbridge_register_bundle(ofproto->mbridge, bundle);
2719 if (!bundle->name || strcmp(s->name, bundle->name)) {
2721 bundle->name = xstrdup(s->name);
2726 ofproto->lacp_enabled = true;
2727 if (!bundle->lacp) {
2728 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2729 bundle->lacp = lacp_create();
2731 lacp_configure(bundle->lacp, s->lacp);
2733 lacp_unref(bundle->lacp);
2734 bundle->lacp = NULL;
2737 /* Update set of ports. */
2739 for (i = 0; i < s->n_slaves; i++) {
2740 if (!bundle_add_port(bundle, s->slaves[i],
2741 s->lacp ? &s->lacp_slaves[i] : NULL)) {
2745 if (!ok || list_size(&bundle->ports) != s->n_slaves) {
2746 struct ofport_dpif *next_port;
2748 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2749 for (i = 0; i < s->n_slaves; i++) {
2750 if (s->slaves[i] == port->up.ofp_port) {
2755 bundle_del_port(port);
2759 ovs_assert(list_size(&bundle->ports) <= s->n_slaves);
2761 if (list_is_empty(&bundle->ports)) {
2762 bundle_destroy(bundle);
2766 /* Set VLAN tagging mode */
2767 if (s->vlan_mode != bundle->vlan_mode
2768 || s->use_priority_tags != bundle->use_priority_tags) {
2769 bundle->vlan_mode = s->vlan_mode;
2770 bundle->use_priority_tags = s->use_priority_tags;
2775 vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1
2776 : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan
2778 if (vlan != bundle->vlan) {
2779 bundle->vlan = vlan;
2783 /* Get trunked VLANs. */
2784 switch (s->vlan_mode) {
2785 case PORT_VLAN_ACCESS:
2789 case PORT_VLAN_TRUNK:
2790 trunks = CONST_CAST(unsigned long *, s->trunks);
2793 case PORT_VLAN_NATIVE_UNTAGGED:
2794 case PORT_VLAN_NATIVE_TAGGED:
2795 if (vlan != 0 && (!s->trunks
2796 || !bitmap_is_set(s->trunks, vlan)
2797 || bitmap_is_set(s->trunks, 0))) {
2798 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2800 trunks = bitmap_clone(s->trunks, 4096);
2802 trunks = bitmap_allocate1(4096);
2804 bitmap_set1(trunks, vlan);
2805 bitmap_set0(trunks, 0);
2807 trunks = CONST_CAST(unsigned long *, s->trunks);
2814 if (!vlan_bitmap_equal(trunks, bundle->trunks)) {
2815 free(bundle->trunks);
2816 if (trunks == s->trunks) {
2817 bundle->trunks = vlan_bitmap_clone(trunks);
2819 bundle->trunks = trunks;
2824 if (trunks != s->trunks) {
2829 if (!list_is_short(&bundle->ports)) {
2830 bundle->ofproto->has_bonded_bundles = true;
2832 if (bond_reconfigure(bundle->bond, s->bond)) {
2833 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2836 bundle->bond = bond_create(s->bond, ofproto);
2837 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2840 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2841 bond_slave_register(bundle->bond, port,
2842 port->up.ofp_port, port->up.netdev);
2845 bond_unref(bundle->bond);
2846 bundle->bond = NULL;
2849 /* If we changed something that would affect MAC learning, un-learn
2850 * everything on this port and force flow revalidation. */
2852 bundle_flush_macs(bundle, false);
2859 bundle_remove(struct ofport *port_)
2861 struct ofport_dpif *port = ofport_dpif_cast(port_);
2862 struct ofbundle *bundle = port->bundle;
2865 bundle_del_port(port);
2866 if (list_is_empty(&bundle->ports)) {
2867 bundle_destroy(bundle);
2868 } else if (list_is_short(&bundle->ports)) {
2869 bond_unref(bundle->bond);
2870 bundle->bond = NULL;
2876 send_pdu_cb(void *port_, const void *pdu, size_t pdu_size)
2878 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
2879 struct ofport_dpif *port = port_;
2880 uint8_t ea[ETH_ADDR_LEN];
2883 error = netdev_get_etheraddr(port->up.netdev, ea);
2885 struct ofpbuf packet;
2888 ofpbuf_init(&packet, 0);
2889 packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
2891 memcpy(packet_pdu, pdu, pdu_size);
2893 ofproto_dpif_send_packet(port, &packet);
2894 ofpbuf_uninit(&packet);
2896 VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
2897 "%s (%s)", port->bundle->name,
2898 netdev_get_name(port->up.netdev), ovs_strerror(error));
2903 bundle_send_learning_packets(struct ofbundle *bundle)
2905 struct ofproto_dpif *ofproto = bundle->ofproto;
2906 struct ofpbuf *learning_packet;
2907 int error, n_packets, n_errors;
2908 struct mac_entry *e;
2909 struct list packets;
2911 list_init(&packets);
2912 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
2913 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
2914 if (e->port.p != bundle) {
2917 learning_packet = bond_compose_learning_packet(bundle->bond,
2920 /* Temporarily use 'frame' as a private pointer (see below). */
2921 ovs_assert(learning_packet->frame == ofpbuf_data(learning_packet));
2922 learning_packet->frame = port_void;
2923 list_push_back(&packets, &learning_packet->list_node);
2926 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2928 error = n_packets = n_errors = 0;
2929 LIST_FOR_EACH (learning_packet, list_node, &packets) {
2931 void *port_void = learning_packet->frame;
2933 /* Restore 'frame'. */
2934 learning_packet->frame = ofpbuf_data(learning_packet);
2935 ret = ofproto_dpif_send_packet(port_void, learning_packet);
2942 ofpbuf_list_delete(&packets);
2945 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2946 VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
2947 "packets, last error was: %s",
2948 bundle->name, n_errors, n_packets, ovs_strerror(error));
2950 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
2951 bundle->name, n_packets);
2956 bundle_run(struct ofbundle *bundle)
2959 lacp_run(bundle->lacp, send_pdu_cb);
2962 struct ofport_dpif *port;
2964 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2965 bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
2968 if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
2969 bundle->ofproto->backer->need_revalidate = REV_BOND;
2972 if (bond_should_send_learning_packets(bundle->bond)) {
2973 bundle_send_learning_packets(bundle);
2979 bundle_wait(struct ofbundle *bundle)
2982 lacp_wait(bundle->lacp);
2985 bond_wait(bundle->bond);
2992 mirror_set__(struct ofproto *ofproto_, void *aux,
2993 const struct ofproto_mirror_settings *s)
2995 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2996 struct ofbundle **srcs, **dsts;
3001 mirror_destroy(ofproto->mbridge, aux);
3005 srcs = xmalloc(s->n_srcs * sizeof *srcs);
3006 dsts = xmalloc(s->n_dsts * sizeof *dsts);
3008 for (i = 0; i < s->n_srcs; i++) {
3009 srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
3012 for (i = 0; i < s->n_dsts; i++) {
3013 dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
3016 error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
3017 s->n_dsts, s->src_vlans,
3018 bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
3025 mirror_get_stats__(struct ofproto *ofproto, void *aux,
3026 uint64_t *packets, uint64_t *bytes)
3028 return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
3033 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
3035 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3036 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3037 if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
3038 mac_learning_flush(ofproto->ml);
3040 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3045 is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
3047 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3048 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3049 return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
3053 forward_bpdu_changed(struct ofproto *ofproto_)
3055 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3056 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3060 set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
3063 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3064 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3065 mac_learning_set_idle_time(ofproto->ml, idle_time);
3066 mac_learning_set_max_entries(ofproto->ml, max_entries);
3067 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3070 /* Configures multicast snooping on 'ofport' using the settings
3071 * defined in 's'. */
3073 set_mcast_snooping(struct ofproto *ofproto_,
3074 const struct ofproto_mcast_snooping_settings *s)
3076 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3078 /* Only revalidate flows if the configuration changed. */
3079 if (!s != !ofproto->ms) {
3080 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3085 ofproto->ms = mcast_snooping_create();
3088 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3089 mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
3090 mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
3091 if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
3092 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3094 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3096 mcast_snooping_unref(ofproto->ms);
3103 /* Configures multicast snooping port's flood setting on 'ofproto'. */
3105 set_mcast_snooping_port(struct ofproto *ofproto_, void *aux, bool flood)
3107 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3108 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3111 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3112 mcast_snooping_set_port_flood(ofproto->ms, bundle->vlan, bundle,
3114 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3122 static struct ofport_dpif *
3123 get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
3125 struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port);
3126 return ofport ? ofport_dpif_cast(ofport) : NULL;
3130 ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto,
3131 struct ofproto_port *ofproto_port,
3132 struct dpif_port *dpif_port)
3134 ofproto_port->name = dpif_port->name;
3135 ofproto_port->type = dpif_port->type;
3136 ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
3140 ofport_update_peer(struct ofport_dpif *ofport)
3142 const struct ofproto_dpif *ofproto;
3143 struct dpif_backer *backer;
3146 if (!netdev_vport_is_patch(ofport->up.netdev)) {
3150 backer = ofproto_dpif_cast(ofport->up.ofproto)->backer;
3151 backer->need_revalidate = REV_RECONFIGURE;
3154 ofport->peer->peer = NULL;
3155 ofport->peer = NULL;
3158 peer_name = netdev_vport_patch_peer(ofport->up.netdev);
3163 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
3164 struct ofport *peer_ofport;
3165 struct ofport_dpif *peer;
3168 if (ofproto->backer != backer) {
3172 peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name);
3177 peer = ofport_dpif_cast(peer_ofport);
3178 peer_peer = netdev_vport_patch_peer(peer->up.netdev);
3179 if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev),
3181 ofport->peer = peer;
3182 ofport->peer->peer = ofport;
3192 port_run(struct ofport_dpif *ofport)
3194 long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev);
3195 bool carrier_changed = carrier_seq != ofport->carrier_seq;
3196 bool enable = netdev_get_carrier(ofport->up.netdev);
3197 bool cfm_enable = false;
3198 bool bfd_enable = false;
3200 ofport->carrier_seq = carrier_seq;
3203 int cfm_opup = cfm_get_opup(ofport->cfm);
3205 cfm_enable = !cfm_get_fault(ofport->cfm);
3207 if (cfm_opup >= 0) {
3208 cfm_enable = cfm_enable && cfm_opup;
3213 bfd_enable = bfd_forwarding(ofport->bfd);
3216 if (ofport->bfd || ofport->cfm) {
3217 enable = enable && (cfm_enable || bfd_enable);
3220 if (ofport->bundle) {
3221 enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
3222 if (carrier_changed) {
3223 lacp_slave_carrier_changed(ofport->bundle->lacp, ofport);
3227 if (ofport->may_enable != enable) {
3228 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3230 ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
3232 if (ofport->rstp_port) {
3233 rstp_port_set_mac_operational(ofport->rstp_port, enable);
3237 ofport->may_enable = enable;
3241 port_query_by_name(const struct ofproto *ofproto_, const char *devname,
3242 struct ofproto_port *ofproto_port)
3244 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3245 struct dpif_port dpif_port;
3248 if (sset_contains(&ofproto->ghost_ports, devname)) {
3249 const char *type = netdev_get_type_from_name(devname);
3251 /* We may be called before ofproto->up.port_by_name is populated with
3252 * the appropriate ofport. For this reason, we must get the name and
3253 * type from the netdev layer directly. */
3255 const struct ofport *ofport;
3257 ofport = shash_find_data(&ofproto->up.port_by_name, devname);
3258 ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
3259 ofproto_port->name = xstrdup(devname);
3260 ofproto_port->type = xstrdup(type);
3266 if (!sset_contains(&ofproto->ports, devname)) {
3269 error = dpif_port_query_by_name(ofproto->backer->dpif,
3270 devname, &dpif_port);
3272 ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port);
3278 port_add(struct ofproto *ofproto_, struct netdev *netdev)
3280 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3281 const char *devname = netdev_get_name(netdev);
3282 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
3283 const char *dp_port_name;
3285 if (netdev_vport_is_patch(netdev)) {
3286 sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
3290 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
3291 if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
3292 odp_port_t port_no = ODPP_NONE;
3295 error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
3299 if (netdev_get_tunnel_config(netdev)) {
3300 simap_put(&ofproto->backer->tnl_backers,
3301 dp_port_name, odp_to_u32(port_no));
3305 if (netdev_get_tunnel_config(netdev)) {
3306 sset_add(&ofproto->ghost_ports, devname);
3308 sset_add(&ofproto->ports, devname);
3314 port_del(struct ofproto *ofproto_, ofp_port_t ofp_port)
3316 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3317 struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
3324 sset_find_and_delete(&ofproto->ghost_ports,
3325 netdev_get_name(ofport->up.netdev));
3326 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3327 if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) {
3328 error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
3330 /* The caller is going to close ofport->up.netdev. If this is a
3331 * bonded port, then the bond is using that netdev, so remove it
3332 * from the bond. The client will need to reconfigure everything
3333 * after deleting ports, so then the slave will get re-added. */
3334 bundle_remove(&ofport->up);
3341 port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
3343 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3346 error = netdev_get_stats(ofport->up.netdev, stats);
3348 if (!error && ofport_->ofp_port == OFPP_LOCAL) {
3349 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3351 ovs_mutex_lock(&ofproto->stats_mutex);
3352 /* ofproto->stats.tx_packets represents packets that we created
3353 * internally and sent to some port (e.g. packets sent with
3354 * ofproto_dpif_send_packet()). Account for them as if they had
3355 * come from OFPP_LOCAL and got forwarded. */
3357 if (stats->rx_packets != UINT64_MAX) {
3358 stats->rx_packets += ofproto->stats.tx_packets;
3361 if (stats->rx_bytes != UINT64_MAX) {
3362 stats->rx_bytes += ofproto->stats.tx_bytes;
3365 /* ofproto->stats.rx_packets represents packets that were received on
3366 * some port and we processed internally and dropped (e.g. STP).
3367 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3369 if (stats->tx_packets != UINT64_MAX) {
3370 stats->tx_packets += ofproto->stats.rx_packets;
3373 if (stats->tx_bytes != UINT64_MAX) {
3374 stats->tx_bytes += ofproto->stats.rx_bytes;
3376 ovs_mutex_unlock(&ofproto->stats_mutex);
3383 port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats)
3385 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3386 if (ofport->bundle && ofport->bundle->lacp) {
3387 if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) {
3394 struct port_dump_state {
3399 struct ofproto_port port;
3404 port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
3406 *statep = xzalloc(sizeof(struct port_dump_state));
3411 port_dump_next(const struct ofproto *ofproto_, void *state_,
3412 struct ofproto_port *port)
3414 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3415 struct port_dump_state *state = state_;
3416 const struct sset *sset;
3417 struct sset_node *node;
3419 if (state->has_port) {
3420 ofproto_port_destroy(&state->port);
3421 state->has_port = false;
3423 sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
3424 while ((node = sset_at_position(sset, &state->bucket, &state->offset))) {
3427 error = port_query_by_name(ofproto_, node->name, &state->port);
3429 *port = state->port;
3430 state->has_port = true;
3432 } else if (error != ENODEV) {
3437 if (!state->ghost) {
3438 state->ghost = true;
3441 return port_dump_next(ofproto_, state_, port);
3448 port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_)
3450 struct port_dump_state *state = state_;
3452 if (state->has_port) {
3453 ofproto_port_destroy(&state->port);
3460 port_poll(const struct ofproto *ofproto_, char **devnamep)
3462 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3464 if (ofproto->port_poll_errno) {
3465 int error = ofproto->port_poll_errno;
3466 ofproto->port_poll_errno = 0;
3470 if (sset_is_empty(&ofproto->port_poll_set)) {
3474 *devnamep = sset_pop(&ofproto->port_poll_set);
3479 port_poll_wait(const struct ofproto *ofproto_)
3481 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3482 dpif_port_poll_wait(ofproto->backer->dpif);
3486 port_is_lacp_current(const struct ofport *ofport_)
3488 const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3489 return (ofport->bundle && ofport->bundle->lacp
3490 ? lacp_slave_is_current(ofport->bundle->lacp, ofport)
3494 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3495 * then delete it entirely. */
3497 rule_expire(struct rule_dpif *rule)
3498 OVS_REQUIRES(ofproto_mutex)
3500 uint16_t hard_timeout, idle_timeout;
3501 long long int now = time_msec();
3504 hard_timeout = rule->up.hard_timeout;
3505 idle_timeout = rule->up.idle_timeout;
3507 /* Has 'rule' expired? */
3509 long long int modified;
3511 ovs_mutex_lock(&rule->up.mutex);
3512 modified = rule->up.modified;
3513 ovs_mutex_unlock(&rule->up.mutex);
3515 if (now > modified + hard_timeout * 1000) {
3516 reason = OFPRR_HARD_TIMEOUT;
3520 if (reason < 0 && idle_timeout) {
3523 ovs_mutex_lock(&rule->stats_mutex);
3524 used = rule->stats.used;
3525 ovs_mutex_unlock(&rule->stats_mutex);
3527 if (now > used + idle_timeout * 1000) {
3528 reason = OFPRR_IDLE_TIMEOUT;
3533 COVERAGE_INC(ofproto_dpif_expired);
3534 ofproto_rule_expire(&rule->up, reason);
3538 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3539 * 'flow' must reflect the data in 'packet'. */
3541 ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
3542 const struct flow *flow,
3543 struct rule_dpif *rule,
3544 const struct ofpact *ofpacts, size_t ofpacts_len,
3545 struct ofpbuf *packet)
3547 struct dpif_flow_stats stats;
3548 struct xlate_out xout;
3549 struct xlate_in xin;
3551 struct dpif_execute execute;
3554 ovs_assert((rule != NULL) != (ofpacts != NULL));
3556 dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
3559 rule_dpif_credit_stats(rule, &stats);
3562 xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
3563 stats.tcp_flags, packet);
3564 xin.ofpacts = ofpacts;
3565 xin.ofpacts_len = ofpacts_len;
3566 xin.resubmit_stats = &stats;
3567 xlate_actions(&xin, &xout);
3569 execute.actions = ofpbuf_data(xout.odp_actions);
3570 execute.actions_len = ofpbuf_size(xout.odp_actions);
3572 execute.packet = packet;
3573 execute.md = pkt_metadata_from_flow(flow);
3574 execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
3575 execute.probe = false;
3577 /* Fix up in_port. */
3578 in_port = flow->in_port.ofp_port;
3579 if (in_port == OFPP_NONE) {
3580 in_port = OFPP_LOCAL;
3582 execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
3584 error = dpif_execute(ofproto->backer->dpif, &execute);
3586 xlate_out_uninit(&xout);
3592 rule_dpif_credit_stats(struct rule_dpif *rule,
3593 const struct dpif_flow_stats *stats)
3595 ovs_mutex_lock(&rule->stats_mutex);
3596 rule->stats.n_packets += stats->n_packets;
3597 rule->stats.n_bytes += stats->n_bytes;
3598 rule->stats.used = MAX(rule->stats.used, stats->used);
3599 ovs_mutex_unlock(&rule->stats_mutex);
3603 rule_dpif_get_flow_cookie(const struct rule_dpif *rule)
3604 OVS_REQUIRES(rule->up.mutex)
3606 return rule->up.flow_cookie;
3610 rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout,
3611 uint16_t hard_timeout)
3613 ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
3616 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3617 * be read until the calling thread quiesces. */
3618 const struct rule_actions *
3619 rule_dpif_get_actions(const struct rule_dpif *rule)
3621 return rule_get_actions(&rule->up);
3624 /* Sets 'rule''s recirculation id. */
3626 rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
3627 OVS_REQUIRES(rule->up.mutex)
3629 ovs_assert(!rule->recirc_id);
3630 rule->recirc_id = id;
3633 /* Returns 'rule''s recirculation id. */
3635 rule_dpif_get_recirc_id(struct rule_dpif *rule)
3636 OVS_REQUIRES(rule->up.mutex)
3638 if (!rule->recirc_id) {
3639 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3641 rule_dpif_set_recirc_id(rule, ofproto_dpif_alloc_recirc_id(ofproto));
3643 return rule->recirc_id;
3646 /* Sets 'rule''s recirculation id. */
3648 rule_set_recirc_id(struct rule *rule_, uint32_t id)
3650 struct rule_dpif *rule = rule_dpif_cast(rule_);
3652 ovs_mutex_lock(&rule->up.mutex);
3653 rule_dpif_set_recirc_id(rule, id);
3654 ovs_mutex_unlock(&rule->up.mutex);
3657 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
3658 * If 'wc' is non-null, sets the fields that were relevant as part of
3659 * the lookup. Returns the table id where a match or miss occurred via
3660 * 'table_id'. This will be zero unless there was a miss and
3661 * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables
3662 * where misses occur, or TBL_INTERNAL if the rule has a non-zero
3663 * recirculation ID, and a match was found in the internal table, or if
3664 * there was no match and one of the special rules (drop_frags_rule,
3665 * miss_rule, or no_packet_in_rule) was returned.
3667 * The return value is the found rule, which is valid at least until the next
3668 * RCU quiescent period. If the rule needs to stay around longer,
3669 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3670 * on it before this returns. */
3672 rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow,
3673 struct flow_wildcards *wc, bool take_ref,
3674 const struct dpif_flow_stats *stats, uint8_t *table_id)
3678 if (ofproto_dpif_get_enable_recirc(ofproto)) {
3679 /* Always exactly match recirc_id since datapath supports
3682 wc->masks.recirc_id = UINT32_MAX;
3684 if (flow->recirc_id) {
3685 /* Start looking up from internal table for post recirculation
3686 * flows or packets. */
3687 *table_id = TBL_INTERNAL;
3691 return rule_dpif_lookup_from_table(ofproto, flow, wc, take_ref, stats,
3692 table_id, flow->in_port.ofp_port, true,
3696 /* The returned rule (if any) is valid at least until the next RCU quiescent
3697 * period. If the rule needs to stay around longer, a non-zero 'take_ref'
3698 * must be passed in to cause a reference to be taken on it. */
3699 static struct rule_dpif *
3700 rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id,
3701 const struct flow *flow, struct flow_wildcards *wc,
3704 struct classifier *cls = &ofproto->up.tables[table_id].cls;
3705 const struct cls_rule *cls_rule;
3706 struct rule_dpif *rule;
3709 cls_rule = classifier_lookup(cls, flow, wc);
3711 rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
3713 /* Try again if the rule was released before we get the reference. */
3714 } while (rule && take_ref && !rule_dpif_try_ref(rule));
3719 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3720 * Returns the rule that was found, which may be one of the special rules
3721 * according to packet miss hadling. If 'may_packet_in' is false, returning of
3722 * the miss_rule (which issues packet ins for the controller) is avoided.
3723 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3726 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3727 * if none is found then the table miss configuration for that table is
3728 * honored, which can result in additional lookups in other OpenFlow tables.
3729 * In this case the function updates '*table_id' to reflect the final OpenFlow
3730 * table that was searched.
3732 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3735 * The rule is returned in '*rule', which is valid at least until the next
3736 * RCU quiescent period. If the '*rule' needs to stay around longer,
3737 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3738 * on it before this returns.
3740 * 'in_port' allows the lookup to take place as if the in port had the value
3741 * 'in_port'. This is needed for resubmit action support. */
3743 rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, struct flow *flow,
3744 struct flow_wildcards *wc, bool take_ref,
3745 const struct dpif_flow_stats *stats,
3746 uint8_t *table_id, ofp_port_t in_port,
3747 bool may_packet_in, bool honor_table_miss)
3749 ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst;
3750 ofp_port_t old_in_port = flow->in_port.ofp_port;
3751 enum ofputil_table_miss miss_config;
3752 struct rule_dpif *rule;
3755 /* We always unwildcard nw_frag (for IP), so they
3756 * need not be unwildcarded here. */
3757 if (flow->nw_frag & FLOW_NW_FRAG_ANY
3758 && ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
3759 if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
3760 /* We must pretend that transport ports are unavailable. */
3761 flow->tp_src = htons(0);
3762 flow->tp_dst = htons(0);
3764 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3765 * Use the drop_frags_rule (which cannot disappear). */
3766 rule = ofproto->drop_frags_rule;
3768 rule_dpif_ref(rule);
3771 struct oftable *tbl = &ofproto->up.tables[*table_id];
3774 atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig);
3780 /* Look up a flow with 'in_port' as the input port. Then restore the
3781 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3782 * have surprising behavior). */
3783 flow->in_port.ofp_port = in_port;
3785 /* Our current implementation depends on n_tables == N_TABLES, and
3786 * TBL_INTERNAL being the last table. */
3787 BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1);
3789 miss_config = OFPUTIL_TABLE_MISS_CONTINUE;
3791 for (next_id = *table_id;
3792 next_id < ofproto->up.n_tables;
3793 next_id++, next_id += (next_id == TBL_INTERNAL))
3795 *table_id = next_id;
3796 rule = rule_dpif_lookup_in_table(ofproto, next_id, flow, wc, take_ref);
3798 struct oftable *tbl = &ofproto->up.tables[next_id];
3801 atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed,
3802 stats->n_packets, &orig);
3805 goto out; /* Match. */
3807 if (honor_table_miss) {
3808 miss_config = ofproto_table_get_miss_config(&ofproto->up,
3810 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) {
3817 rule = ofproto->no_packet_in_rule;
3818 if (may_packet_in) {
3819 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE
3820 || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) {
3821 struct ofport_dpif *port;
3823 port = get_ofp_port(ofproto, old_in_port);
3825 VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
3827 } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) {
3828 rule = ofproto->miss_rule;
3830 } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT &&
3831 connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
3832 rule = ofproto->miss_rule;
3836 rule_dpif_ref(rule);
3839 /* Restore port numbers, as they may have been modified above. */
3840 flow->tp_src = old_tp_src;
3841 flow->tp_dst = old_tp_dst;
3842 /* Restore the old in port. */
3843 flow->in_port.ofp_port = old_in_port;
3849 complete_operation(struct rule_dpif *rule)
3850 OVS_REQUIRES(ofproto_mutex)
3852 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3854 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
3857 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
3859 return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL;
3862 static struct rule *
3865 struct rule_dpif *rule = xmalloc(sizeof *rule);
3870 rule_dealloc(struct rule *rule_)
3872 struct rule_dpif *rule = rule_dpif_cast(rule_);
3877 rule_construct(struct rule *rule_)
3878 OVS_NO_THREAD_SAFETY_ANALYSIS
3880 struct rule_dpif *rule = rule_dpif_cast(rule_);
3881 ovs_mutex_init_adaptive(&rule->stats_mutex);
3882 rule->stats.n_packets = 0;
3883 rule->stats.n_bytes = 0;
3884 rule->stats.used = rule->up.modified;
3885 rule->recirc_id = 0;
3891 rule_insert(struct rule *rule_)
3892 OVS_REQUIRES(ofproto_mutex)
3894 struct rule_dpif *rule = rule_dpif_cast(rule_);
3895 complete_operation(rule);
3900 rule_delete(struct rule *rule_)
3901 OVS_REQUIRES(ofproto_mutex)
3903 struct rule_dpif *rule = rule_dpif_cast(rule_);
3904 complete_operation(rule);
3908 rule_destruct(struct rule *rule_)
3910 struct rule_dpif *rule = rule_dpif_cast(rule_);
3912 ovs_mutex_destroy(&rule->stats_mutex);
3913 if (rule->recirc_id) {
3914 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3916 ofproto_dpif_free_recirc_id(ofproto, rule->recirc_id);
3921 rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes,
3922 long long int *used)
3924 struct rule_dpif *rule = rule_dpif_cast(rule_);
3926 ovs_mutex_lock(&rule->stats_mutex);
3927 *packets = rule->stats.n_packets;
3928 *bytes = rule->stats.n_bytes;
3929 *used = rule->stats.used;
3930 ovs_mutex_unlock(&rule->stats_mutex);
3934 rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
3935 struct ofpbuf *packet)
3937 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3939 ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet);
3943 rule_execute(struct rule *rule, const struct flow *flow,
3944 struct ofpbuf *packet)
3946 rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
3947 ofpbuf_delete(packet);
3952 rule_modify_actions(struct rule *rule_, bool reset_counters)
3953 OVS_REQUIRES(ofproto_mutex)
3955 struct rule_dpif *rule = rule_dpif_cast(rule_);
3957 if (reset_counters) {
3958 ovs_mutex_lock(&rule->stats_mutex);
3959 rule->stats.n_packets = 0;
3960 rule->stats.n_bytes = 0;
3961 ovs_mutex_unlock(&rule->stats_mutex);
3964 complete_operation(rule);
3967 static struct group_dpif *group_dpif_cast(const struct ofgroup *group)
3969 return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL;
3972 static struct ofgroup *
3975 struct group_dpif *group = xzalloc(sizeof *group);
3980 group_dealloc(struct ofgroup *group_)
3982 struct group_dpif *group = group_dpif_cast(group_);
3987 group_construct_stats(struct group_dpif *group)
3988 OVS_REQUIRES(group->stats_mutex)
3990 struct ofputil_bucket *bucket;
3991 const struct list *buckets;
3993 group->packet_count = 0;
3994 group->byte_count = 0;
3996 group_dpif_get_buckets(group, &buckets);
3997 LIST_FOR_EACH (bucket, list_node, buckets) {
3998 bucket->stats.packet_count = 0;
3999 bucket->stats.byte_count = 0;
4004 group_dpif_credit_stats(struct group_dpif *group,
4005 struct ofputil_bucket *bucket,
4006 const struct dpif_flow_stats *stats)
4008 ovs_mutex_lock(&group->stats_mutex);
4009 group->packet_count += stats->n_packets;
4010 group->byte_count += stats->n_bytes;
4012 bucket->stats.packet_count += stats->n_packets;
4013 bucket->stats.byte_count += stats->n_bytes;
4014 } else { /* Credit to all buckets */
4015 const struct list *buckets;
4017 group_dpif_get_buckets(group, &buckets);
4018 LIST_FOR_EACH (bucket, list_node, buckets) {
4019 bucket->stats.packet_count += stats->n_packets;
4020 bucket->stats.byte_count += stats->n_bytes;
4023 ovs_mutex_unlock(&group->stats_mutex);
4027 group_construct(struct ofgroup *group_)
4029 struct group_dpif *group = group_dpif_cast(group_);
4030 const struct ofputil_bucket *bucket;
4032 /* Prevent group chaining because our locking structure makes it hard to
4033 * implement deadlock-free. (See xlate_group_resource_check().) */
4034 LIST_FOR_EACH (bucket, list_node, &group->up.buckets) {
4035 const struct ofpact *a;
4037 OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) {
4038 if (a->type == OFPACT_GROUP) {
4039 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED;
4044 ovs_mutex_init_adaptive(&group->stats_mutex);
4045 ovs_mutex_lock(&group->stats_mutex);
4046 group_construct_stats(group);
4047 ovs_mutex_unlock(&group->stats_mutex);
4052 group_destruct(struct ofgroup *group_)
4054 struct group_dpif *group = group_dpif_cast(group_);
4055 ovs_mutex_destroy(&group->stats_mutex);
4059 group_modify(struct ofgroup *group_)
4061 struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto);
4063 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
4069 group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs)
4071 struct group_dpif *group = group_dpif_cast(group_);
4072 struct ofputil_bucket *bucket;
4073 const struct list *buckets;
4074 struct bucket_counter *bucket_stats;
4076 ovs_mutex_lock(&group->stats_mutex);
4077 ogs->packet_count = group->packet_count;
4078 ogs->byte_count = group->byte_count;
4080 group_dpif_get_buckets(group, &buckets);
4081 bucket_stats = ogs->bucket_stats;
4082 LIST_FOR_EACH (bucket, list_node, buckets) {
4083 bucket_stats->packet_count = bucket->stats.packet_count;
4084 bucket_stats->byte_count = bucket->stats.byte_count;
4087 ovs_mutex_unlock(&group->stats_mutex);
4092 /* If the group exists, this function increments the groups's reference count.
4094 * Make sure to call group_dpif_unref() after no longer needing to maintain
4095 * a reference to the group. */
4097 group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id,
4098 struct group_dpif **group)
4100 struct ofgroup *ofgroup;
4103 found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup);
4104 *group = found ? group_dpif_cast(ofgroup) : NULL;
4110 group_dpif_get_buckets(const struct group_dpif *group,
4111 const struct list **buckets)
4113 *buckets = &group->up.buckets;
4116 enum ofp11_group_type
4117 group_dpif_get_type(const struct group_dpif *group)
4119 return group->up.type;
4122 /* Sends 'packet' out 'ofport'.
4123 * May modify 'packet'.
4124 * Returns 0 if successful, otherwise a positive errno value. */
4126 ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet)
4128 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
4131 error = xlate_send_packet(ofport, packet);
4133 ovs_mutex_lock(&ofproto->stats_mutex);
4134 ofproto->stats.tx_packets++;
4135 ofproto->stats.tx_bytes += ofpbuf_size(packet);
4136 ovs_mutex_unlock(&ofproto->stats_mutex);
4140 /* Return the version string of the datapath that backs up
4144 get_datapath_version(const struct ofproto *ofproto_)
4146 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4148 return ofproto->backer->dp_version_string;
4152 set_frag_handling(struct ofproto *ofproto_,
4153 enum ofp_config_flags frag_handling)
4155 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4156 if (frag_handling != OFPC_FRAG_REASM) {
4157 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4165 packet_out(struct ofproto *ofproto_, struct ofpbuf *packet,
4166 const struct flow *flow,
4167 const struct ofpact *ofpacts, size_t ofpacts_len)
4169 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4171 ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts,
4172 ofpacts_len, packet);
4179 set_netflow(struct ofproto *ofproto_,
4180 const struct netflow_options *netflow_options)
4182 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4184 if (netflow_options) {
4185 if (!ofproto->netflow) {
4186 ofproto->netflow = netflow_create();
4187 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4189 return netflow_set_options(ofproto->netflow, netflow_options);
4190 } else if (ofproto->netflow) {
4191 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4192 netflow_unref(ofproto->netflow);
4193 ofproto->netflow = NULL;
4200 get_netflow_ids(const struct ofproto *ofproto_,
4201 uint8_t *engine_type, uint8_t *engine_id)
4203 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4205 dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id);
4208 static struct ofproto_dpif *
4209 ofproto_dpif_lookup(const char *name)
4211 struct ofproto_dpif *ofproto;
4213 HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
4214 hash_string(name, 0), &all_ofproto_dpifs) {
4215 if (!strcmp(ofproto->up.name, name)) {
4223 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
4224 const char *argv[], void *aux OVS_UNUSED)
4226 struct ofproto_dpif *ofproto;
4229 ofproto = ofproto_dpif_lookup(argv[1]);
4231 unixctl_command_reply_error(conn, "no such bridge");
4234 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4235 mac_learning_flush(ofproto->ml);
4236 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4238 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4239 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4240 mac_learning_flush(ofproto->ml);
4241 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4245 unixctl_command_reply(conn, "table successfully flushed");
4249 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
4250 const char *argv[], void *aux OVS_UNUSED)
4252 struct ofproto_dpif *ofproto;
4255 ofproto = ofproto_dpif_lookup(argv[1]);
4257 unixctl_command_reply_error(conn, "no such bridge");
4261 if (!mcast_snooping_enabled(ofproto->ms)) {
4262 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4265 mcast_snooping_mdb_flush(ofproto->ms);
4267 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4268 if (!mcast_snooping_enabled(ofproto->ms)) {
4271 mcast_snooping_mdb_flush(ofproto->ms);
4275 unixctl_command_reply(conn, "table successfully flushed");
4278 static struct ofport_dpif *
4279 ofbundle_get_a_port(const struct ofbundle *bundle)
4281 return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif,
4286 ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4287 const char *argv[], void *aux OVS_UNUSED)
4289 struct ds ds = DS_EMPTY_INITIALIZER;
4290 const struct ofproto_dpif *ofproto;
4291 const struct mac_entry *e;
4293 ofproto = ofproto_dpif_lookup(argv[1]);
4295 unixctl_command_reply_error(conn, "no such bridge");
4299 ds_put_cstr(&ds, " port VLAN MAC Age\n");
4300 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
4301 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
4302 struct ofbundle *bundle = e->port.p;
4303 char name[OFP_MAX_PORT_NAME_LEN];
4305 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4307 ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n",
4308 name, e->vlan, ETH_ADDR_ARGS(e->mac),
4309 mac_entry_age(ofproto->ml, e));
4311 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4312 unixctl_command_reply(conn, ds_cstr(&ds));
4317 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
4318 int argc OVS_UNUSED,
4320 void *aux OVS_UNUSED)
4322 struct ds ds = DS_EMPTY_INITIALIZER;
4323 const struct ofproto_dpif *ofproto;
4324 const struct ofbundle *bundle;
4325 const struct mcast_group *grp;
4326 struct mcast_group_bundle *b;
4327 struct mcast_mrouter_bundle *mrouter;
4329 ofproto = ofproto_dpif_lookup(argv[1]);
4331 unixctl_command_reply_error(conn, "no such bridge");
4335 if (!mcast_snooping_enabled(ofproto->ms)) {
4336 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4340 ds_put_cstr(&ds, " port VLAN GROUP Age\n");
4341 ovs_rwlock_rdlock(&ofproto->ms->rwlock);
4342 LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
4343 LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
4344 char name[OFP_MAX_PORT_NAME_LEN];
4347 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4349 ds_put_format(&ds, "%5s %4d "IP_FMT" %3d\n",
4350 name, grp->vlan, IP_ARGS(grp->ip4),
4351 mcast_bundle_age(ofproto->ms, b));
4355 /* ports connected to multicast routers */
4356 LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
4357 char name[OFP_MAX_PORT_NAME_LEN];
4359 bundle = mrouter->port;
4360 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4362 ds_put_format(&ds, "%5s %4d querier %3d\n",
4363 name, mrouter->vlan,
4364 mcast_mrouter_age(ofproto->ms, mrouter));
4366 ovs_rwlock_unlock(&ofproto->ms->rwlock);
4367 unixctl_command_reply(conn, ds_cstr(&ds));
4372 struct xlate_out xout;
4373 struct xlate_in xin;
4374 const struct flow *key;
4376 struct flow_wildcards wc;
4381 trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule)
4383 const struct rule_actions *actions;
4386 ds_put_char_multiple(result, '\t', level);
4388 ds_put_cstr(result, "No match\n");
4392 ovs_mutex_lock(&rule->up.mutex);
4393 cookie = rule->up.flow_cookie;
4394 ovs_mutex_unlock(&rule->up.mutex);
4396 ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ",
4397 rule ? rule->up.table_id : 0, ntohll(cookie));
4398 cls_rule_format(&rule->up.cr, result);
4399 ds_put_char(result, '\n');
4401 actions = rule_dpif_get_actions(rule);
4403 ds_put_char_multiple(result, '\t', level);
4404 ds_put_cstr(result, "OpenFlow actions=");
4405 ofpacts_format(actions->ofpacts, actions->ofpacts_len, result);
4406 ds_put_char(result, '\n');
4410 trace_format_flow(struct ds *result, int level, const char *title,
4411 struct trace_ctx *trace)
4413 ds_put_char_multiple(result, '\t', level);
4414 ds_put_format(result, "%s: ", title);
4415 /* Do not report unchanged flows for resubmits. */
4416 if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow))
4417 || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) {
4418 ds_put_cstr(result, "unchanged");
4420 flow_format(result, &trace->xin.flow);
4421 trace->flow = trace->xin.flow;
4423 ds_put_char(result, '\n');
4427 trace_format_regs(struct ds *result, int level, const char *title,
4428 struct trace_ctx *trace)
4432 ds_put_char_multiple(result, '\t', level);
4433 ds_put_format(result, "%s:", title);
4434 for (i = 0; i < FLOW_N_REGS; i++) {
4435 ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
4437 ds_put_char(result, '\n');
4441 trace_format_odp(struct ds *result, int level, const char *title,
4442 struct trace_ctx *trace)
4444 struct ofpbuf *odp_actions = trace->xout.odp_actions;
4446 ds_put_char_multiple(result, '\t', level);
4447 ds_put_format(result, "%s: ", title);
4448 format_odp_actions(result, ofpbuf_data(odp_actions),
4449 ofpbuf_size(odp_actions));
4450 ds_put_char(result, '\n');
4454 trace_format_megaflow(struct ds *result, int level, const char *title,
4455 struct trace_ctx *trace)
4459 ds_put_char_multiple(result, '\t', level);
4460 ds_put_format(result, "%s: ", title);
4461 flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc);
4462 match_init(&match, trace->key, &trace->wc);
4463 match_format(&match, result, OFP_DEFAULT_PRIORITY);
4464 ds_put_char(result, '\n');
4467 static void trace_report(struct xlate_in *xin, const char *s, int recurse);
4470 trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse)
4472 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4473 struct ds *result = trace->result;
4476 if (rule == xin->ofproto->miss_rule) {
4477 trace_report(xin, "No match, flow generates \"packet in\"s.",
4479 } else if (rule == xin->ofproto->no_packet_in_rule) {
4480 trace_report(xin, "No match, packets dropped because "
4481 "OFPPC_NO_PACKET_IN is set on in_port.", recurse);
4482 } else if (rule == xin->ofproto->drop_frags_rule) {
4483 trace_report(xin, "Packets dropped because they are IP "
4484 "fragments and the fragment handling mode is "
4485 "\"drop\".", recurse);
4489 ds_put_char(result, '\n');
4491 trace_format_flow(result, recurse, "Resubmitted flow", trace);
4492 trace_format_regs(result, recurse, "Resubmitted regs", trace);
4493 trace_format_odp(result, recurse, "Resubmitted odp", trace);
4494 trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace);
4496 trace_format_rule(result, recurse, rule);
4500 trace_report(struct xlate_in *xin, const char *s, int recurse)
4502 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4503 struct ds *result = trace->result;
4505 ds_put_char_multiple(result, '\t', recurse);
4506 ds_put_cstr(result, s);
4507 ds_put_char(result, '\n');
4510 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4511 * forms are supported:
4513 * - [dpname] odp_flow [-generate | packet]
4514 * - bridge br_flow [-generate | packet]
4516 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4517 * returns a nonnull malloced error message. */
4518 static char * WARN_UNUSED_RESULT
4519 parse_flow_and_packet(int argc, const char *argv[],
4520 struct ofproto_dpif **ofprotop, struct flow *flow,
4521 struct ofpbuf **packetp)
4523 const struct dpif_backer *backer = NULL;
4524 const char *error = NULL;
4526 struct simap port_names = SIMAP_INITIALIZER(&port_names);
4527 struct ofpbuf *packet;
4528 struct ofpbuf odp_key;
4529 struct ofpbuf odp_mask;
4531 ofpbuf_init(&odp_key, 0);
4532 ofpbuf_init(&odp_mask, 0);
4534 /* Handle "-generate" or a hex string as the last argument. */
4535 if (!strcmp(argv[argc - 1], "-generate")) {
4536 packet = ofpbuf_new(0);
4539 error = eth_from_hex(argv[argc - 1], &packet);
4542 } else if (argc == 4) {
4543 /* The 3-argument form must end in "-generate' or a hex string. */
4549 /* odp_flow can have its in_port specified as a name instead of port no.
4550 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4551 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4552 * we need to create a simap of name to port no. */
4554 const char *dp_type;
4555 if (!strncmp(argv[1], "ovs-", 4)) {
4556 dp_type = argv[1] + 4;
4560 backer = shash_find_data(&all_dpif_backers, dp_type);
4561 } else if (argc == 2) {
4562 struct shash_node *node;
4563 if (shash_count(&all_dpif_backers) == 1) {
4564 node = shash_first(&all_dpif_backers);
4565 backer = node->data;
4568 error = "Syntax error";
4571 if (backer && backer->dpif) {
4572 struct dpif_port dpif_port;
4573 struct dpif_port_dump port_dump;
4574 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) {
4575 simap_put(&port_names, dpif_port.name,
4576 odp_to_u32(dpif_port.port_no));
4580 /* Parse the flow and determine whether a datapath or
4581 * bridge is specified. If function odp_flow_key_from_string()
4582 * returns 0, the flow is a odp_flow. If function
4583 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4584 if (!odp_flow_from_string(argv[argc - 1], &port_names,
4585 &odp_key, &odp_mask)) {
4587 error = "Cannot find the datapath";
4591 if (odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key),
4592 flow) == ODP_FIT_ERROR) {
4593 error = "Failed to parse flow key";
4597 *ofprotop = xlate_lookup_ofproto(backer, flow,
4598 &flow->in_port.ofp_port);
4599 if (*ofprotop == NULL) {
4600 error = "Invalid datapath flow";
4604 vsp_adjust_flow(*ofprotop, flow, NULL);
4607 char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
4610 m_err = xasprintf("Bad flow syntax: %s", err);
4615 error = "Must specify bridge name";
4619 *ofprotop = ofproto_dpif_lookup(argv[1]);
4621 error = "Unknown bridge name";
4627 /* Generate a packet, if requested. */
4629 if (!ofpbuf_size(packet)) {
4630 flow_compose(packet, flow);
4632 struct pkt_metadata md = pkt_metadata_from_flow(flow);
4634 /* Use the metadata from the flow and the packet argument
4635 * to reconstruct the flow. */
4636 flow_extract(packet, &md, flow);
4641 if (error && !m_err) {
4642 m_err = xstrdup(error);
4645 ofpbuf_delete(packet);
4649 ofpbuf_uninit(&odp_key);
4650 ofpbuf_uninit(&odp_mask);
4651 simap_destroy(&port_names);
4656 ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
4657 void *aux OVS_UNUSED)
4659 struct ofproto_dpif *ofproto;
4660 struct ofpbuf *packet;
4664 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4669 ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
4670 unixctl_command_reply(conn, ds_cstr(&result));
4671 ds_destroy(&result);
4672 ofpbuf_delete(packet);
4674 unixctl_command_reply_error(conn, error);
4680 ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
4681 const char *argv[], void *aux OVS_UNUSED)
4683 enum ofputil_protocol usable_protocols;
4684 struct ofproto_dpif *ofproto;
4685 bool enforce_consistency;
4686 struct ofpbuf ofpacts;
4687 struct ofpbuf *packet;
4692 /* Three kinds of error return values! */
4698 ofpbuf_init(&ofpacts, 0);
4700 /* Parse actions. */
4701 error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
4703 unixctl_command_reply_error(conn, error);
4708 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4709 * consistency between the flow and the actions. With -consistent, we
4710 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4711 if (!strcmp(argv[1], "-consistent")) {
4712 enforce_consistency = true;
4716 enforce_consistency = false;
4719 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4721 unixctl_command_reply_error(conn, error);
4726 /* Do the same checks as handle_packet_out() in ofproto.c.
4728 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4729 * strictly correct because these actions aren't in any table, but it's OK
4730 * because it 'table_id' is used only to check goto_table instructions, but
4731 * packet-outs take a list of actions and therefore it can't include
4734 * We skip the "meter" check here because meter is an instruction, not an
4735 * action, and thus cannot appear in ofpacts. */
4736 in_port = ofp_to_u16(flow.in_port.ofp_port);
4737 if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
4738 unixctl_command_reply_error(conn, "invalid in_port");
4741 if (enforce_consistency) {
4742 retval = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
4743 &flow, u16_to_ofp(ofproto->up.max_ports),
4744 0, 0, usable_protocols);
4746 retval = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &flow,
4747 u16_to_ofp(ofproto->up.max_ports), 0, 0,
4753 ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
4754 unixctl_command_reply_error(conn, ds_cstr(&result));
4758 ofproto_trace(ofproto, &flow, packet,
4759 ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &result);
4760 unixctl_command_reply(conn, ds_cstr(&result));
4763 ds_destroy(&result);
4764 ofpbuf_delete(packet);
4765 ofpbuf_uninit(&ofpacts);
4768 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4769 * description of the results to 'ds'.
4771 * The trace follows a packet with the specified 'flow' through the flow
4772 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4773 * side effects (if it is nonnull then its flow must be 'flow').
4775 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4776 * trace, otherwise the actions are determined by a flow table lookup. */
4778 ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
4779 const struct ofpbuf *packet,
4780 const struct ofpact ofpacts[], size_t ofpacts_len,
4783 struct trace_ctx trace;
4785 ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
4786 ds_put_cstr(ds, "Flow: ");
4787 flow_format(ds, flow);
4788 ds_put_char(ds, '\n');
4790 flow_wildcards_init_catchall(&trace.wc);
4793 trace.key = flow; /* Original flow key, used for megaflow. */
4794 trace.flow = *flow; /* May be modified by actions. */
4795 xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL,
4796 ntohs(flow->tcp_flags), packet);
4797 trace.xin.ofpacts = ofpacts;
4798 trace.xin.ofpacts_len = ofpacts_len;
4799 trace.xin.resubmit_hook = trace_resubmit;
4800 trace.xin.report_hook = trace_report;
4802 xlate_actions(&trace.xin, &trace.xout);
4804 ds_put_char(ds, '\n');
4805 trace_format_flow(ds, 0, "Final flow", &trace);
4806 trace_format_megaflow(ds, 0, "Megaflow", &trace);
4808 ds_put_cstr(ds, "Datapath actions: ");
4809 format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions),
4810 ofpbuf_size(trace.xout.odp_actions));
4812 if (trace.xout.slow) {
4813 enum slow_path_reason slow;
4815 ds_put_cstr(ds, "\nThis flow is handled by the userspace "
4816 "slow path because it:");
4818 slow = trace.xout.slow;
4820 enum slow_path_reason bit = rightmost_1bit(slow);
4822 ds_put_format(ds, "\n\t- %s.",
4823 slow_path_reason_to_explanation(bit));
4829 xlate_out_uninit(&trace.xout);
4832 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4833 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4834 * to destroy 'ofproto_shash' and free the returned value. */
4835 static const struct shash_node **
4836 get_ofprotos(struct shash *ofproto_shash)
4838 const struct ofproto_dpif *ofproto;
4840 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4841 char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name);
4842 shash_add_nocopy(ofproto_shash, name, ofproto);
4845 return shash_sort(ofproto_shash);
4849 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED,
4850 const char *argv[] OVS_UNUSED,
4851 void *aux OVS_UNUSED)
4853 struct ds ds = DS_EMPTY_INITIALIZER;
4854 struct shash ofproto_shash;
4855 const struct shash_node **sorted_ofprotos;
4858 shash_init(&ofproto_shash);
4859 sorted_ofprotos = get_ofprotos(&ofproto_shash);
4860 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4861 const struct shash_node *node = sorted_ofprotos[i];
4862 ds_put_format(&ds, "%s\n", node->name);
4865 shash_destroy(&ofproto_shash);
4866 free(sorted_ofprotos);
4868 unixctl_command_reply(conn, ds_cstr(&ds));
4873 dpif_show_backer(const struct dpif_backer *backer, struct ds *ds)
4875 const struct shash_node **ofprotos;
4876 struct dpif_dp_stats dp_stats;
4877 struct shash ofproto_shash;
4880 dpif_get_dp_stats(backer->dpif, &dp_stats);
4882 ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
4883 dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed);
4885 shash_init(&ofproto_shash);
4886 ofprotos = get_ofprotos(&ofproto_shash);
4887 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4888 struct ofproto_dpif *ofproto = ofprotos[i]->data;
4889 const struct shash_node **ports;
4892 if (ofproto->backer != backer) {
4896 ds_put_format(ds, "\t%s:\n", ofproto->up.name);
4898 ports = shash_sort(&ofproto->up.port_by_name);
4899 for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) {
4900 const struct shash_node *node = ports[j];
4901 struct ofport *ofport = node->data;
4903 odp_port_t odp_port;
4905 ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev),
4908 odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
4909 if (odp_port != ODPP_NONE) {
4910 ds_put_format(ds, "%"PRIu32":", odp_port);
4912 ds_put_cstr(ds, "none:");
4915 ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev));
4918 if (!netdev_get_config(ofport->netdev, &config)) {
4919 const struct smap_node **nodes;
4922 nodes = smap_sort(&config);
4923 for (i = 0; i < smap_count(&config); i++) {
4924 const struct smap_node *node = nodes[i];
4925 ds_put_format(ds, "%c %s=%s", i ? ',' : ':',
4926 node->key, node->value);
4930 smap_destroy(&config);
4932 ds_put_char(ds, ')');
4933 ds_put_char(ds, '\n');
4937 shash_destroy(&ofproto_shash);
4942 ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4943 const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
4945 struct ds ds = DS_EMPTY_INITIALIZER;
4946 const struct shash_node **backers;
4949 backers = shash_sort(&all_dpif_backers);
4950 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
4951 dpif_show_backer(backers[i]->data, &ds);
4955 unixctl_command_reply(conn, ds_cstr(&ds));
4960 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
4961 int argc OVS_UNUSED, const char *argv[],
4962 void *aux OVS_UNUSED)
4964 const struct ofproto_dpif *ofproto;
4966 struct ds ds = DS_EMPTY_INITIALIZER;
4967 bool verbosity = false;
4969 struct dpif_port dpif_port;
4970 struct dpif_port_dump port_dump;
4971 struct hmap portno_names;
4973 struct dpif_flow_dump *flow_dump;
4974 struct dpif_flow_dump_thread *flow_dump_thread;
4978 ofproto = ofproto_dpif_lookup(argv[argc - 1]);
4980 unixctl_command_reply_error(conn, "no such bridge");
4984 if (argc > 2 && !strcmp(argv[1], "-m")) {
4988 hmap_init(&portno_names);
4989 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) {
4990 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
4994 flow_dump = dpif_flow_dump_create(ofproto->backer->dpif, false);
4995 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
4996 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
4999 if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
5000 || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
5005 odp_format_ufid(&f.ufid, &ds);
5006 ds_put_cstr(&ds, " ");
5008 odp_flow_format(f.key, f.key_len, f.mask, f.mask_len,
5009 &portno_names, &ds, verbosity);
5010 ds_put_cstr(&ds, ", ");
5011 dpif_flow_stats_format(&f.stats, &ds);
5012 ds_put_cstr(&ds, ", actions:");
5013 format_odp_actions(&ds, f.actions, f.actions_len);
5014 ds_put_char(&ds, '\n');
5016 dpif_flow_dump_thread_destroy(flow_dump_thread);
5017 error = dpif_flow_dump_destroy(flow_dump);
5021 ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno));
5022 unixctl_command_reply_error(conn, ds_cstr(&ds));
5024 unixctl_command_reply(conn, ds_cstr(&ds));
5026 odp_portno_names_destroy(&portno_names);
5027 hmap_destroy(&portno_names);
5032 ofproto_revalidate_all_backers(void)
5034 const struct shash_node **backers;
5037 backers = shash_sort(&all_dpif_backers);
5038 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5039 struct dpif_backer *backer = backers[i]->data;
5040 backer->need_revalidate = REV_RECONFIGURE;
5046 disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
5047 const char *argv[], void *aux OVS_UNUSED)
5049 if (!strcasecmp(argv[1], "off")) {
5050 ofproto_use_tnl_push_pop = false;
5051 unixctl_command_reply(conn, "Tunnel push-pop off");
5052 ofproto_revalidate_all_backers();
5053 } else if (!strcasecmp(argv[1], "on")) {
5054 ofproto_use_tnl_push_pop = true;
5055 unixctl_command_reply(conn, "Tunnel push-pop on");
5056 ofproto_revalidate_all_backers();
5061 ofproto_unixctl_init(void)
5063 static bool registered;
5069 unixctl_command_register(
5071 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5072 1, 3, ofproto_unixctl_trace, NULL);
5073 unixctl_command_register(
5074 "ofproto/trace-packet-out",
5075 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5076 2, 6, ofproto_unixctl_trace_actions, NULL);
5077 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5078 ofproto_unixctl_fdb_flush, NULL);
5079 unixctl_command_register("fdb/show", "bridge", 1, 1,
5080 ofproto_unixctl_fdb_show, NULL);
5081 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5082 ofproto_unixctl_mcast_snooping_flush, NULL);
5083 unixctl_command_register("mdb/show", "bridge", 1, 1,
5084 ofproto_unixctl_mcast_snooping_show, NULL);
5085 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5086 ofproto_unixctl_dpif_dump_dps, NULL);
5087 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
5089 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5090 ofproto_unixctl_dpif_dump_flows, NULL);
5092 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5093 disable_tnl_push_pop, NULL);
5096 /* Returns true if 'table' is the table used for internal rules,
5097 * false otherwise. */
5099 table_is_internal(uint8_t table_id)
5101 return table_id == TBL_INTERNAL;
5104 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5106 * This is deprecated. It is only for compatibility with broken device drivers
5107 * in old versions of Linux that do not properly support VLANs when VLAN
5108 * devices are not used. When broken device drivers are no longer in
5109 * widespread use, we will delete these interfaces. */
5112 set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid)
5114 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
5115 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
5117 if (realdev_ofp_port == ofport->realdev_ofp_port
5118 && vid == ofport->vlandev_vid) {
5122 ofproto->backer->need_revalidate = REV_RECONFIGURE;
5124 if (ofport->realdev_ofp_port) {
5127 if (realdev_ofp_port && ofport->bundle) {
5128 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5129 * themselves be part of a bundle. */
5130 bundle_set(ofport_->ofproto, ofport->bundle, NULL);
5133 ofport->realdev_ofp_port = realdev_ofp_port;
5134 ofport->vlandev_vid = vid;
5136 if (realdev_ofp_port) {
5137 vsp_add(ofport, realdev_ofp_port, vid);
5144 hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid)
5146 return hash_2words(ofp_to_u16(realdev_ofp_port), vid);
5150 ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto)
5151 OVS_EXCLUDED(ofproto->vsp_mutex)
5153 /* hmap_is_empty is thread safe. */
5154 return !hmap_is_empty(&ofproto->realdev_vid_map);
5159 vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto,
5160 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5161 OVS_REQUIRES(ofproto->vsp_mutex)
5163 if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
5164 int vid = vlan_tci_to_vid(vlan_tci);
5165 const struct vlan_splinter *vsp;
5167 HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
5168 hash_realdev_vid(realdev_ofp_port, vid),
5169 &ofproto->realdev_vid_map) {
5170 if (vsp->realdev_ofp_port == realdev_ofp_port
5171 && vsp->vid == vid) {
5172 return vsp->vlandev_ofp_port;
5176 return realdev_ofp_port;
5179 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5180 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5181 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5182 * 'vlan_tci' 9, it would return the port number of eth0.9.
5184 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5185 * function just returns its 'realdev_ofp_port' argument. */
5187 vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
5188 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5189 OVS_EXCLUDED(ofproto->vsp_mutex)
5193 /* hmap_is_empty is thread safe, see if we can return immediately. */
5194 if (hmap_is_empty(&ofproto->realdev_vid_map)) {
5195 return realdev_ofp_port;
5197 ovs_mutex_lock(&ofproto->vsp_mutex);
5198 ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci);
5199 ovs_mutex_unlock(&ofproto->vsp_mutex);
5203 static struct vlan_splinter *
5204 vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port)
5206 struct vlan_splinter *vsp;
5208 HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node,
5209 hash_ofp_port(vlandev_ofp_port),
5210 &ofproto->vlandev_map) {
5211 if (vsp->vlandev_ofp_port == vlandev_ofp_port) {
5219 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5220 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5221 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5222 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5223 * eth0 and store 9 in '*vid'.
5225 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5226 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5229 vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
5230 ofp_port_t vlandev_ofp_port, int *vid)
5231 OVS_REQUIRES(ofproto->vsp_mutex)
5233 if (!hmap_is_empty(&ofproto->vlandev_map)) {
5234 const struct vlan_splinter *vsp;
5236 vsp = vlandev_find(ofproto, vlandev_ofp_port);
5241 return vsp->realdev_ofp_port;
5247 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5248 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5249 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5250 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5251 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5252 * case unless VLAN splinters are enabled), returns false without making any
5255 vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow,
5256 struct ofpbuf *packet)
5257 OVS_EXCLUDED(ofproto->vsp_mutex)
5262 /* hmap_is_empty is thread safe. */
5263 if (hmap_is_empty(&ofproto->vlandev_map)) {
5267 ovs_mutex_lock(&ofproto->vsp_mutex);
5268 realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid);
5269 ovs_mutex_unlock(&ofproto->vsp_mutex);
5274 /* Cause the flow to be processed as if it came in on the real device with
5275 * the VLAN device's VLAN ID. */
5276 flow->in_port.ofp_port = realdev;
5277 flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
5280 /* Make the packet resemble the flow, so that it gets sent to an
5281 * OpenFlow controller properly, so that it looks correct for sFlow,
5282 * and so that flow_extract() will get the correct vlan_tci if it is
5283 * called on 'packet'. */
5284 eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci);
5291 vsp_remove(struct ofport_dpif *port)
5293 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5294 struct vlan_splinter *vsp;
5296 ovs_mutex_lock(&ofproto->vsp_mutex);
5297 vsp = vlandev_find(ofproto, port->up.ofp_port);
5299 hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node);
5300 hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node);
5303 port->realdev_ofp_port = 0;
5305 VLOG_ERR("missing vlan device record");
5307 ovs_mutex_unlock(&ofproto->vsp_mutex);
5311 vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid)
5313 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5315 ovs_mutex_lock(&ofproto->vsp_mutex);
5316 if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL)
5317 && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid))
5318 == realdev_ofp_port)) {
5319 struct vlan_splinter *vsp;
5321 vsp = xmalloc(sizeof *vsp);
5322 vsp->realdev_ofp_port = realdev_ofp_port;
5323 vsp->vlandev_ofp_port = port->up.ofp_port;
5326 port->realdev_ofp_port = realdev_ofp_port;
5328 hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node,
5329 hash_ofp_port(port->up.ofp_port));
5330 hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node,
5331 hash_realdev_vid(realdev_ofp_port, vid));
5333 VLOG_ERR("duplicate vlan device record");
5335 ovs_mutex_unlock(&ofproto->vsp_mutex);
5339 ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
5341 const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
5342 return ofport ? ofport->odp_port : ODPP_NONE;
5345 struct ofport_dpif *
5346 odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port)
5348 struct ofport_dpif *port;
5350 ovs_rwlock_rdlock(&backer->odp_to_ofport_lock);
5351 HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port),
5352 &backer->odp_to_ofport_map) {
5353 if (port->odp_port == odp_port) {
5354 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5359 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5364 odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port)
5366 struct ofport_dpif *port;
5368 port = odp_port_to_ofport(ofproto->backer, odp_port);
5369 if (port && &ofproto->up == port->up.ofproto) {
5370 return port->up.ofp_port;
5377 ofproto_dpif_alloc_recirc_id(struct ofproto_dpif *ofproto)
5379 struct dpif_backer *backer = ofproto->backer;
5381 return recirc_id_alloc(backer->rid_pool);
5385 ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id)
5387 struct dpif_backer *backer = ofproto->backer;
5389 recirc_id_free(backer->rid_pool, recirc_id);
5393 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
5394 const struct match *match, int priority,
5395 uint16_t idle_timeout,
5396 const struct ofpbuf *ofpacts,
5397 struct rule **rulep)
5399 struct ofputil_flow_mod fm;
5400 struct rule_dpif *rule;
5404 fm.priority = priority;
5405 fm.new_cookie = htonll(0);
5406 fm.cookie = htonll(0);
5407 fm.cookie_mask = htonll(0);
5408 fm.modify_cookie = false;
5409 fm.table_id = TBL_INTERNAL;
5410 fm.command = OFPFC_ADD;
5411 fm.idle_timeout = idle_timeout;
5412 fm.hard_timeout = 0;
5416 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5417 fm.ofpacts = ofpbuf_data(ofpacts);
5418 fm.ofpacts_len = ofpbuf_size(ofpacts);
5420 error = ofproto_flow_mod(&ofproto->up, &fm);
5422 VLOG_ERR_RL(&rl, "failed to add internal flow (%s)",
5423 ofperr_to_string(error));
5428 rule = rule_dpif_lookup_in_table(ofproto, TBL_INTERNAL, &fm.match.flow,
5429 &fm.match.wc, false);
5439 ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto,
5440 struct match *match, int priority)
5442 struct ofputil_flow_mod fm;
5446 fm.priority = priority;
5447 fm.new_cookie = htonll(0);
5448 fm.cookie = htonll(0);
5449 fm.cookie_mask = htonll(0);
5450 fm.modify_cookie = false;
5451 fm.table_id = TBL_INTERNAL;
5452 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5453 fm.command = OFPFC_DELETE_STRICT;
5455 error = ofproto_flow_mod(&ofproto->up, &fm);
5457 VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)",
5458 ofperr_to_string(error));
5465 const struct ofproto_class ofproto_dpif_class = {
5479 NULL, /* get_memory_usage. */
5480 type_get_memory_usage,
5498 port_is_lacp_current,
5499 port_get_lacp_stats,
5500 NULL, /* rule_choose_table */
5509 NULL, /* rule_premodify_actions */
5510 rule_modify_actions,
5526 get_stp_port_status,
5531 get_rstp_port_status,
5538 is_mirror_output_bundle,
5539 forward_bpdu_changed,
5540 set_mac_table_config,
5542 set_mcast_snooping_port,
5544 NULL, /* meter_get_features */
5545 NULL, /* meter_set */
5546 NULL, /* meter_get */
5547 NULL, /* meter_del */
5548 group_alloc, /* group_alloc */
5549 group_construct, /* group_construct */
5550 group_destruct, /* group_destruct */
5551 group_dealloc, /* group_dealloc */
5552 group_modify, /* group_modify */
5553 group_get_stats, /* group_get_stats */
5554 get_datapath_version, /* get_datapath_version */