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 *);
144 static void stp_run(struct ofproto_dpif *ofproto);
145 static void stp_wait(struct ofproto_dpif *ofproto);
146 static int set_stp_port(struct ofport *,
147 const struct ofproto_port_stp_settings *);
149 static void rstp_run(struct ofproto_dpif *ofproto);
150 static void set_rstp_port(struct ofport *,
151 const struct ofproto_port_rstp_settings *);
154 struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
158 struct ofbundle *bundle; /* Bundle that contains this port, if any. */
159 struct list bundle_node; /* In struct ofbundle's "ports" list. */
160 struct cfm *cfm; /* Connectivity Fault Management, if any. */
161 struct bfd *bfd; /* BFD, if any. */
162 bool may_enable; /* May be enabled in bonds. */
163 bool is_tunnel; /* This port is a tunnel. */
164 bool is_layer3; /* This is a layer 3 port. */
165 long long int carrier_seq; /* Carrier status changes. */
166 struct ofport_dpif *peer; /* Peer if patch port. */
169 struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
170 enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
171 long long int stp_state_entered;
173 /* Rapid Spanning Tree. */
174 struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
175 enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
177 /* Queue to DSCP mapping. */
178 struct ofproto_port_queue *qdscp;
181 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
183 * This is deprecated. It is only for compatibility with broken device
184 * drivers in old versions of Linux that do not properly support VLANs when
185 * VLAN devices are not used. When broken device drivers are no longer in
186 * widespread use, we will delete these interfaces. */
187 ofp_port_t realdev_ofp_port;
191 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
193 * This is deprecated. It is only for compatibility with broken device drivers
194 * in old versions of Linux that do not properly support VLANs when VLAN
195 * devices are not used. When broken device drivers are no longer in
196 * widespread use, we will delete these interfaces. */
197 struct vlan_splinter {
198 struct hmap_node realdev_vid_node;
199 struct hmap_node vlandev_node;
200 ofp_port_t realdev_ofp_port;
201 ofp_port_t vlandev_ofp_port;
205 static void vsp_remove(struct ofport_dpif *);
206 static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid);
208 static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *,
211 static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *,
214 static struct ofport_dpif *
215 ofport_dpif_cast(const struct ofport *ofport)
217 return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
220 static void port_run(struct ofport_dpif *);
221 static int set_bfd(struct ofport *, const struct smap *);
222 static int set_cfm(struct ofport *, const struct cfm_settings *);
223 static void ofport_update_peer(struct ofport_dpif *);
225 /* Reasons that we might need to revalidate every datapath flow, and
226 * corresponding coverage counters.
228 * A value of 0 means that there is no need to revalidate.
230 * It would be nice to have some cleaner way to integrate with coverage
231 * counters, but with only a few reasons I guess this is good enough for
233 enum revalidate_reason {
234 REV_RECONFIGURE = 1, /* Switch configuration changed. */
235 REV_STP, /* Spanning tree protocol port status change. */
236 REV_RSTP, /* RSTP port status change. */
237 REV_BOND, /* Bonding changed. */
238 REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/
239 REV_FLOW_TABLE, /* Flow table changed. */
240 REV_MAC_LEARNING, /* Mac learning changed. */
241 REV_MCAST_SNOOPING, /* Multicast snooping changed. */
243 COVERAGE_DEFINE(rev_reconfigure);
244 COVERAGE_DEFINE(rev_stp);
245 COVERAGE_DEFINE(rev_rstp);
246 COVERAGE_DEFINE(rev_bond);
247 COVERAGE_DEFINE(rev_port_toggled);
248 COVERAGE_DEFINE(rev_flow_table);
249 COVERAGE_DEFINE(rev_mac_learning);
250 COVERAGE_DEFINE(rev_mcast_snooping);
252 /* All datapaths of a given type share a single dpif backer instance. */
259 struct ovs_rwlock odp_to_ofport_lock;
260 struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
262 struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
264 enum revalidate_reason need_revalidate; /* Revalidate all flows. */
266 bool recv_set_enable; /* Enables or disables receiving packets. */
269 struct recirc_id_pool *rid_pool; /* Recirculation ID pool. */
270 bool enable_recirc; /* True if the datapath supports recirculation */
272 /* True if the datapath supports variable-length
273 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
274 * False if the datapath supports only 8-byte (or shorter) userdata. */
275 bool variable_length_userdata;
277 /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET
279 bool masked_set_action;
281 /* Maximum number of MPLS label stack entries that the datapath supports
283 size_t max_mpls_depth;
285 /* Version string of the datapath stored in OVSDB. */
286 char *dp_version_string;
288 /* True if the datapath supports tnl_push and pop actions. */
289 bool enable_tnl_push_pop;
290 struct atomic_count tnl_count;
293 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
294 static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
296 struct ofproto_dpif {
297 struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
299 struct dpif_backer *backer;
301 uint64_t dump_seq; /* Last read of udpif_dump_seq(). */
303 /* Special OpenFlow rules. */
304 struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
305 struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
306 struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */
309 struct netflow *netflow;
310 struct dpif_sflow *sflow;
311 struct dpif_ipfix *ipfix;
312 struct hmap bundles; /* Contains "struct ofbundle"s. */
313 struct mac_learning *ml;
314 struct mcast_snooping *ms;
315 bool has_bonded_bundles;
317 struct mbridge *mbridge;
319 struct ovs_mutex stats_mutex;
320 struct netdev_stats stats OVS_GUARDED; /* To account packets generated and
321 * consumed in userspace. */
325 long long int stp_last_tick;
327 /* Rapid Spanning Tree. */
329 long long int rstp_last_tick;
331 /* VLAN splinters. */
332 struct ovs_mutex vsp_mutex;
333 struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */
334 struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */
337 struct sset ports; /* Set of standard port names. */
338 struct sset ghost_ports; /* Ports with no datapath port. */
339 struct sset port_poll_set; /* Queued names for port_poll() reply. */
340 int port_poll_errno; /* Last errno for port_poll() reply. */
341 uint64_t change_seq; /* Connectivity status changes. */
344 struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */
345 struct seq *pins_seq; /* For notifying 'pins' reception. */
349 /* All existing ofproto_dpif instances, indexed by ->up.name. */
350 static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
352 static bool ofproto_use_tnl_push_pop = true;
353 static void ofproto_unixctl_init(void);
355 static inline struct ofproto_dpif *
356 ofproto_dpif_cast(const struct ofproto *ofproto)
358 ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class);
359 return CONTAINER_OF(ofproto, struct ofproto_dpif, up);
363 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif *ofproto)
365 return ofproto->backer->max_mpls_depth;
369 ofproto_dpif_get_enable_recirc(const struct ofproto_dpif *ofproto)
371 return ofproto->backer->enable_recirc;
374 static struct ofport_dpif *get_ofp_port(const struct ofproto_dpif *ofproto,
375 ofp_port_t ofp_port);
376 static void ofproto_trace(struct ofproto_dpif *, struct flow *,
377 const struct ofpbuf *packet,
378 const struct ofpact[], size_t ofpacts_len,
381 /* Global variables. */
382 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
384 /* Initial mappings of port to bridge mappings. */
385 static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports);
387 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
390 ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
391 struct ofputil_flow_mod *fm)
393 ofproto_flow_mod(&ofproto->up, fm);
396 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
397 * Takes ownership of 'pin' and pin->packet. */
399 ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto,
400 struct ofproto_packet_in *pin)
402 if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) {
403 COVERAGE_INC(packet_in_overflow);
404 free(CONST_CAST(void *, pin->up.packet));
408 /* Wakes up main thread for packet-in I/O. */
409 seq_change(ofproto->pins_seq);
412 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
413 * packet rather than to send the packet to the controller.
415 * This function returns false to indicate that a packet_in message
416 * for a "table-miss" should be sent to at least one controller.
417 * False otherwise. */
419 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto)
421 return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr);
424 /* Factory functions. */
427 init(const struct shash *iface_hints)
429 struct shash_node *node;
431 /* Make a local copy, since we don't own 'iface_hints' elements. */
432 SHASH_FOR_EACH(node, iface_hints) {
433 const struct iface_hint *orig_hint = node->data;
434 struct iface_hint *new_hint = xmalloc(sizeof *new_hint);
436 new_hint->br_name = xstrdup(orig_hint->br_name);
437 new_hint->br_type = xstrdup(orig_hint->br_type);
438 new_hint->ofp_port = orig_hint->ofp_port;
440 shash_add(&init_ofp_ports, node->name, new_hint);
445 enumerate_types(struct sset *types)
447 dp_enumerate_types(types);
451 enumerate_names(const char *type, struct sset *names)
453 struct ofproto_dpif *ofproto;
456 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
457 if (strcmp(type, ofproto->up.type)) {
460 sset_add(names, ofproto->up.name);
467 del(const char *type, const char *name)
472 error = dpif_open(name, type, &dpif);
474 error = dpif_delete(dpif);
481 port_open_type(const char *datapath_type, const char *port_type)
483 return dpif_port_open_type(datapath_type, port_type);
486 /* Type functions. */
488 static void process_dpif_port_changes(struct dpif_backer *);
489 static void process_dpif_all_ports_changed(struct dpif_backer *);
490 static void process_dpif_port_change(struct dpif_backer *,
491 const char *devname);
492 static void process_dpif_port_error(struct dpif_backer *, int error);
494 static struct ofproto_dpif *
495 lookup_ofproto_dpif_by_port_name(const char *name)
497 struct ofproto_dpif *ofproto;
499 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
500 if (sset_contains(&ofproto->ports, name)) {
509 type_run(const char *type)
511 struct dpif_backer *backer;
513 backer = shash_find_data(&all_dpif_backers, type);
515 /* This is not necessarily a problem, since backers are only
516 * created on demand. */
521 if (dpif_run(backer->dpif)) {
522 backer->need_revalidate = REV_RECONFIGURE;
525 udpif_run(backer->udpif);
527 /* If vswitchd started with other_config:flow_restore_wait set as "true",
528 * and the configuration has now changed to "false", enable receiving
529 * packets from the datapath. */
530 if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
533 backer->recv_set_enable = true;
535 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
537 VLOG_ERR("Failed to enable receiving packets in dpif.");
540 dpif_flow_flush(backer->dpif);
541 backer->need_revalidate = REV_RECONFIGURE;
544 if (backer->recv_set_enable) {
545 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
548 dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask);
550 if (backer->need_revalidate) {
551 struct ofproto_dpif *ofproto;
552 struct simap_node *node;
553 struct simap tmp_backers;
555 /* Handle tunnel garbage collection. */
556 simap_init(&tmp_backers);
557 simap_swap(&backer->tnl_backers, &tmp_backers);
559 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
560 struct ofport_dpif *iter;
562 if (backer != ofproto->backer) {
566 HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
567 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
570 if (!iter->is_tunnel) {
574 dp_port = netdev_vport_get_dpif_port(iter->up.netdev,
575 namebuf, sizeof namebuf);
576 node = simap_find(&tmp_backers, dp_port);
578 simap_put(&backer->tnl_backers, dp_port, node->data);
579 simap_delete(&tmp_backers, node);
580 node = simap_find(&backer->tnl_backers, dp_port);
582 node = simap_find(&backer->tnl_backers, dp_port);
584 odp_port_t odp_port = ODPP_NONE;
586 if (!dpif_port_add(backer->dpif, iter->up.netdev,
588 simap_put(&backer->tnl_backers, dp_port,
589 odp_to_u32(odp_port));
590 node = simap_find(&backer->tnl_backers, dp_port);
595 iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
596 if (tnl_port_reconfigure(iter, iter->up.netdev,
598 ovs_native_tunneling_is_on(ofproto), dp_port)) {
599 backer->need_revalidate = REV_RECONFIGURE;
604 SIMAP_FOR_EACH (node, &tmp_backers) {
605 dpif_port_del(backer->dpif, u32_to_odp(node->data));
607 simap_destroy(&tmp_backers);
609 switch (backer->need_revalidate) {
610 case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
611 case REV_STP: COVERAGE_INC(rev_stp); break;
612 case REV_RSTP: COVERAGE_INC(rev_rstp); break;
613 case REV_BOND: COVERAGE_INC(rev_bond); break;
614 case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
615 case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
616 case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break;
617 case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break;
619 backer->need_revalidate = 0;
621 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
622 struct ofport_dpif *ofport;
623 struct ofbundle *bundle;
625 if (ofproto->backer != backer) {
630 xlate_ofproto_set(ofproto, ofproto->up.name,
631 ofproto->backer->dpif, ofproto->ml,
632 ofproto->stp, ofproto->rstp, ofproto->ms,
633 ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
635 ofproto->up.forward_bpdu,
636 connmgr_has_in_band(ofproto->up.connmgr),
637 ofproto->backer->enable_recirc,
638 ofproto->backer->variable_length_userdata,
639 ofproto->backer->max_mpls_depth,
640 ofproto->backer->masked_set_action);
642 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
643 xlate_bundle_set(ofproto, bundle, bundle->name,
644 bundle->vlan_mode, bundle->vlan,
645 bundle->trunks, bundle->use_priority_tags,
646 bundle->bond, bundle->lacp,
650 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
651 int stp_port = ofport->stp_port
652 ? stp_port_no(ofport->stp_port)
654 xlate_ofport_set(ofproto, ofport->bundle, ofport,
655 ofport->up.ofp_port, ofport->odp_port,
656 ofport->up.netdev, ofport->cfm,
657 ofport->bfd, ofport->peer, stp_port,
658 ofport->rstp_port, ofport->qdscp,
659 ofport->n_qdscp, ofport->up.pp.config,
660 ofport->up.pp.state, ofport->is_tunnel,
666 udpif_revalidate(backer->udpif);
669 process_dpif_port_changes(backer);
674 /* Check for and handle port changes in 'backer''s dpif. */
676 process_dpif_port_changes(struct dpif_backer *backer)
682 error = dpif_port_poll(backer->dpif, &devname);
688 process_dpif_all_ports_changed(backer);
692 process_dpif_port_change(backer, devname);
697 process_dpif_port_error(backer, error);
704 process_dpif_all_ports_changed(struct dpif_backer *backer)
706 struct ofproto_dpif *ofproto;
707 struct dpif_port dpif_port;
708 struct dpif_port_dump dump;
709 struct sset devnames;
712 sset_init(&devnames);
713 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
714 if (ofproto->backer == backer) {
715 struct ofport *ofport;
717 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
718 sset_add(&devnames, netdev_get_name(ofport->netdev));
722 DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) {
723 sset_add(&devnames, dpif_port.name);
726 SSET_FOR_EACH (devname, &devnames) {
727 process_dpif_port_change(backer, devname);
729 sset_destroy(&devnames);
733 process_dpif_port_change(struct dpif_backer *backer, const char *devname)
735 struct ofproto_dpif *ofproto;
736 struct dpif_port port;
738 /* Don't report on the datapath's device. */
739 if (!strcmp(devname, dpif_base_name(backer->dpif))) {
743 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
744 &all_ofproto_dpifs) {
745 if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
750 ofproto = lookup_ofproto_dpif_by_port_name(devname);
751 if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
752 /* The port was removed. If we know the datapath,
753 * report it through poll_set(). If we don't, it may be
754 * notifying us of a removal we initiated, so ignore it.
755 * If there's a pending ENOBUFS, let it stand, since
756 * everything will be reevaluated. */
757 if (ofproto && ofproto->port_poll_errno != ENOBUFS) {
758 sset_add(&ofproto->port_poll_set, devname);
759 ofproto->port_poll_errno = 0;
761 } else if (!ofproto) {
762 /* The port was added, but we don't know with which
763 * ofproto we should associate it. Delete it. */
764 dpif_port_del(backer->dpif, port.port_no);
766 struct ofport_dpif *ofport;
768 ofport = ofport_dpif_cast(shash_find_data(
769 &ofproto->up.port_by_name, devname));
771 && ofport->odp_port != port.port_no
772 && !odp_port_to_ofport(backer, port.port_no))
774 /* 'ofport''s datapath port number has changed from
775 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
776 * structures to match. */
777 ovs_rwlock_wrlock(&backer->odp_to_ofport_lock);
778 hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node);
779 ofport->odp_port = port.port_no;
780 hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node,
781 hash_odp_port(port.port_no));
782 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
783 backer->need_revalidate = REV_RECONFIGURE;
786 dpif_port_destroy(&port);
789 /* Propagate 'error' to all ofprotos based on 'backer'. */
791 process_dpif_port_error(struct dpif_backer *backer, int error)
793 struct ofproto_dpif *ofproto;
795 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
796 if (ofproto->backer == backer) {
797 sset_clear(&ofproto->port_poll_set);
798 ofproto->port_poll_errno = error;
804 type_wait(const char *type)
806 struct dpif_backer *backer;
808 backer = shash_find_data(&all_dpif_backers, type);
810 /* This is not necessarily a problem, since backers are only
811 * created on demand. */
815 dpif_wait(backer->dpif);
818 /* Basic life-cycle. */
820 static int add_internal_flows(struct ofproto_dpif *);
822 static struct ofproto *
825 struct ofproto_dpif *ofproto = xmalloc(sizeof *ofproto);
830 dealloc(struct ofproto *ofproto_)
832 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
837 close_dpif_backer(struct dpif_backer *backer)
839 ovs_assert(backer->refcount > 0);
841 if (--backer->refcount) {
845 udpif_destroy(backer->udpif);
847 simap_destroy(&backer->tnl_backers);
848 ovs_rwlock_destroy(&backer->odp_to_ofport_lock);
849 hmap_destroy(&backer->odp_to_ofport_map);
850 shash_find_and_delete(&all_dpif_backers, backer->type);
851 recirc_id_pool_destroy(backer->rid_pool);
853 free(backer->dp_version_string);
854 dpif_close(backer->dpif);
858 /* Datapath port slated for removal from datapath. */
860 struct list list_node;
864 static bool check_variable_length_userdata(struct dpif_backer *backer);
865 static size_t check_max_mpls_depth(struct dpif_backer *backer);
866 static bool check_recirc(struct dpif_backer *backer);
867 static bool check_masked_set_action(struct dpif_backer *backer);
870 open_dpif_backer(const char *type, struct dpif_backer **backerp)
872 struct dpif_backer *backer;
873 struct dpif_port_dump port_dump;
874 struct dpif_port port;
875 struct shash_node *node;
876 struct list garbage_list;
877 struct odp_garbage *garbage, *next;
884 backer = shash_find_data(&all_dpif_backers, type);
891 backer_name = xasprintf("ovs-%s", type);
893 /* Remove any existing datapaths, since we assume we're the only
894 * userspace controlling the datapath. */
896 dp_enumerate_names(type, &names);
897 SSET_FOR_EACH(name, &names) {
898 struct dpif *old_dpif;
900 /* Don't remove our backer if it exists. */
901 if (!strcmp(name, backer_name)) {
905 if (dpif_open(name, type, &old_dpif)) {
906 VLOG_WARN("couldn't open old datapath %s to remove it", name);
908 dpif_delete(old_dpif);
909 dpif_close(old_dpif);
912 sset_destroy(&names);
914 backer = xmalloc(sizeof *backer);
916 error = dpif_create_and_open(backer_name, type, &backer->dpif);
919 VLOG_ERR("failed to open datapath of type %s: %s", type,
920 ovs_strerror(error));
924 backer->udpif = udpif_create(backer, backer->dpif);
926 backer->type = xstrdup(type);
927 backer->refcount = 1;
928 hmap_init(&backer->odp_to_ofport_map);
929 ovs_rwlock_init(&backer->odp_to_ofport_lock);
930 backer->need_revalidate = 0;
931 simap_init(&backer->tnl_backers);
932 backer->recv_set_enable = !ofproto_get_flow_restore_wait();
935 if (backer->recv_set_enable) {
936 dpif_flow_flush(backer->dpif);
939 /* Loop through the ports already on the datapath and remove any
940 * that we don't need anymore. */
941 list_init(&garbage_list);
942 dpif_port_dump_start(&port_dump, backer->dpif);
943 while (dpif_port_dump_next(&port_dump, &port)) {
944 node = shash_find(&init_ofp_ports, port.name);
945 if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) {
946 garbage = xmalloc(sizeof *garbage);
947 garbage->odp_port = port.port_no;
948 list_push_front(&garbage_list, &garbage->list_node);
951 dpif_port_dump_done(&port_dump);
953 LIST_FOR_EACH_SAFE (garbage, next, list_node, &garbage_list) {
954 dpif_port_del(backer->dpif, garbage->odp_port);
955 list_remove(&garbage->list_node);
959 shash_add(&all_dpif_backers, type, backer);
961 backer->enable_recirc = check_recirc(backer);
962 backer->max_mpls_depth = check_max_mpls_depth(backer);
963 backer->masked_set_action = check_masked_set_action(backer);
964 backer->rid_pool = recirc_id_pool_create();
966 backer->enable_tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif);
967 atomic_count_init(&backer->tnl_count, 0);
969 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
971 VLOG_ERR("failed to listen on datapath of type %s: %s",
972 type, ovs_strerror(error));
973 close_dpif_backer(backer);
977 if (backer->recv_set_enable) {
978 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
981 /* This check fails if performed before udpif threads have been set,
982 * as the kernel module checks that the 'pid' in userspace action
984 backer->variable_length_userdata = check_variable_length_userdata(backer);
985 backer->dp_version_string = dpif_get_dp_version(backer->dpif);
991 ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto)
993 return ofproto_use_tnl_push_pop && ofproto->backer->enable_tnl_push_pop &&
994 atomic_count_get(&ofproto->backer->tnl_count);
997 /* Tests whether 'backer''s datapath supports recirculation. Only newer
998 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
999 * features on older datapaths that don't support this feature.
1001 * Returns false if 'backer' definitely does not support recirculation, true if
1002 * it seems to support recirculation or if at least the error we get is
1005 check_recirc(struct dpif_backer *backer)
1008 struct odputil_keybuf keybuf;
1011 bool enable_recirc = false;
1013 memset(&flow, 0, sizeof flow);
1017 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1018 odp_flow_key_from_flow(&key, &flow, NULL, 0, true);
1020 error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
1021 ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0, NULL,
1023 if (error && error != EEXIST) {
1024 if (error != EINVAL) {
1025 VLOG_WARN("%s: Reciculation flow probe failed (%s)",
1026 dpif_name(backer->dpif), ovs_strerror(error));
1031 error = dpif_flow_del(backer->dpif, ofpbuf_data(&key), ofpbuf_size(&key),
1034 VLOG_WARN("%s: failed to delete recirculation feature probe flow",
1035 dpif_name(backer->dpif));
1038 enable_recirc = true;
1041 if (enable_recirc) {
1042 VLOG_INFO("%s: Datapath supports recirculation",
1043 dpif_name(backer->dpif));
1045 VLOG_INFO("%s: Datapath does not support recirculation",
1046 dpif_name(backer->dpif));
1049 return enable_recirc;
1052 /* Tests whether 'backer''s datapath supports variable-length
1053 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1054 * to disable some features on older datapaths that don't support this
1057 * Returns false if 'backer' definitely does not support variable-length
1058 * userdata, true if it seems to support them or if at least the error we get
1061 check_variable_length_userdata(struct dpif_backer *backer)
1063 struct eth_header *eth;
1064 struct ofpbuf actions;
1065 struct dpif_execute execute;
1066 struct ofpbuf packet;
1070 /* Compose a userspace action that will cause an ERANGE error on older
1071 * datapaths that don't support variable-length userdata.
1073 * We really test for using userdata longer than 8 bytes, but older
1074 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1075 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1076 * test for that instead as a proxy for longer userdata support. */
1077 ofpbuf_init(&actions, 64);
1078 start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE);
1079 nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID,
1080 dpif_port_get_pid(backer->dpif, ODPP_NONE, 0));
1081 nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4);
1082 nl_msg_end_nested(&actions, start);
1084 /* Compose a dummy ethernet packet. */
1085 ofpbuf_init(&packet, ETH_HEADER_LEN);
1086 eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
1087 eth->eth_type = htons(0x1234);
1089 /* Execute the actions. On older datapaths this fails with ERANGE, on
1090 * newer datapaths it succeeds. */
1091 execute.actions = ofpbuf_data(&actions);
1092 execute.actions_len = ofpbuf_size(&actions);
1093 execute.packet = &packet;
1094 execute.md = PKT_METADATA_INITIALIZER(0);
1095 execute.needs_help = false;
1096 execute.probe = true;
1098 error = dpif_execute(backer->dpif, &execute);
1100 ofpbuf_uninit(&packet);
1101 ofpbuf_uninit(&actions);
1108 /* Variable-length userdata is not supported. */
1109 VLOG_WARN("%s: datapath does not support variable-length userdata "
1110 "feature (needs Linux 3.10+ or kernel module from OVS "
1111 "1..11+). The NXAST_SAMPLE action will be ignored.",
1112 dpif_name(backer->dpif));
1116 /* Something odd happened. We're not sure whether variable-length
1117 * userdata is supported. Default to "yes". */
1118 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1119 dpif_name(backer->dpif), ovs_strerror(error));
1124 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1126 * Returns the number of elements in a struct flow's mpls_lse field
1127 * if the datapath supports at least that many entries in an
1129 * Otherwise returns the number of MPLS push actions supported by
1132 check_max_mpls_depth(struct dpif_backer *backer)
1137 for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) {
1138 struct odputil_keybuf keybuf;
1142 memset(&flow, 0, sizeof flow);
1143 flow.dl_type = htons(ETH_TYPE_MPLS);
1144 flow_set_mpls_bos(&flow, n, 1);
1146 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1147 odp_flow_key_from_flow(&key, &flow, NULL, 0, false);
1149 error = dpif_flow_put(backer->dpif, DPIF_FP_CREATE | DPIF_FP_PROBE,
1150 ofpbuf_data(&key), ofpbuf_size(&key), NULL, 0,
1152 if (error && error != EEXIST) {
1153 if (error != EINVAL) {
1154 VLOG_WARN("%s: MPLS stack length feature probe failed (%s)",
1155 dpif_name(backer->dpif), ovs_strerror(error));
1160 error = dpif_flow_del(backer->dpif, ofpbuf_data(&key),
1161 ofpbuf_size(&key), NULL);
1163 VLOG_WARN("%s: failed to delete MPLS feature probe flow",
1164 dpif_name(backer->dpif));
1168 VLOG_INFO("%s: MPLS label stack length probed as %d",
1169 dpif_name(backer->dpif), n);
1173 /* Tests whether 'backer''s datapath supports masked data in
1174 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1175 * datapaths that don't support this feature. */
1177 check_masked_set_action(struct dpif_backer *backer)
1179 struct eth_header *eth;
1180 struct ofpbuf actions;
1181 struct dpif_execute execute;
1182 struct ofpbuf packet;
1184 struct ovs_key_ethernet key, mask;
1186 /* Compose a set action that will cause an EINVAL error on older
1187 * datapaths that don't support masked set actions.
1188 * Avoid using a full mask, as it could be translated to a non-masked
1189 * set action instead. */
1190 ofpbuf_init(&actions, 64);
1191 memset(&key, 0x53, sizeof key);
1192 memset(&mask, 0x7f, sizeof mask);
1193 commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
1196 /* Compose a dummy ethernet packet. */
1197 ofpbuf_init(&packet, ETH_HEADER_LEN);
1198 eth = ofpbuf_put_zeros(&packet, ETH_HEADER_LEN);
1199 eth->eth_type = htons(0x1234);
1201 /* Execute the actions. On older datapaths this fails with EINVAL, on
1202 * newer datapaths it succeeds. */
1203 execute.actions = ofpbuf_data(&actions);
1204 execute.actions_len = ofpbuf_size(&actions);
1205 execute.packet = &packet;
1206 execute.md = PKT_METADATA_INITIALIZER(0);
1207 execute.needs_help = false;
1208 execute.probe = true;
1210 error = dpif_execute(backer->dpif, &execute);
1212 ofpbuf_uninit(&packet);
1213 ofpbuf_uninit(&actions);
1216 /* Masked set action is not supported. */
1217 VLOG_INFO("%s: datapath does not support masked set action feature.",
1218 dpif_name(backer->dpif));
1224 construct(struct ofproto *ofproto_)
1226 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1227 struct shash_node *node, *next;
1230 error = open_dpif_backer(ofproto->up.type, &ofproto->backer);
1235 ofproto->netflow = NULL;
1236 ofproto->sflow = NULL;
1237 ofproto->ipfix = NULL;
1238 ofproto->stp = NULL;
1239 ofproto->rstp = NULL;
1240 ofproto->dump_seq = 0;
1241 hmap_init(&ofproto->bundles);
1242 ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
1244 ofproto->mbridge = mbridge_create();
1245 ofproto->has_bonded_bundles = false;
1246 ofproto->lacp_enabled = false;
1247 ofproto_tunnel_init();
1248 ovs_mutex_init_adaptive(&ofproto->stats_mutex);
1249 ovs_mutex_init(&ofproto->vsp_mutex);
1251 guarded_list_init(&ofproto->pins);
1253 ofproto_unixctl_init();
1254 ovs_router_unixctl_register();
1256 hmap_init(&ofproto->vlandev_map);
1257 hmap_init(&ofproto->realdev_vid_map);
1259 sset_init(&ofproto->ports);
1260 sset_init(&ofproto->ghost_ports);
1261 sset_init(&ofproto->port_poll_set);
1262 ofproto->port_poll_errno = 0;
1263 ofproto->change_seq = 0;
1264 ofproto->pins_seq = seq_create();
1265 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1268 SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) {
1269 struct iface_hint *iface_hint = node->data;
1271 if (!strcmp(iface_hint->br_name, ofproto->up.name)) {
1272 /* Check if the datapath already has this port. */
1273 if (dpif_port_exists(ofproto->backer->dpif, node->name)) {
1274 sset_add(&ofproto->ports, node->name);
1277 free(iface_hint->br_name);
1278 free(iface_hint->br_type);
1280 shash_delete(&init_ofp_ports, node);
1284 hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
1285 hash_string(ofproto->up.name, 0));
1286 memset(&ofproto->stats, 0, sizeof ofproto->stats);
1288 ofproto_init_tables(ofproto_, N_TABLES);
1289 error = add_internal_flows(ofproto);
1291 ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
1297 add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
1298 const struct ofpbuf *ofpacts, struct rule_dpif **rulep)
1304 match_init_catchall(&match);
1305 match_set_reg(&match, 0, id);
1307 error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
1309 *rulep = error ? NULL : rule_dpif_cast(rule);
1315 add_internal_flows(struct ofproto_dpif *ofproto)
1317 struct ofpact_controller *controller;
1318 uint64_t ofpacts_stub[128 / 8];
1319 struct ofpbuf ofpacts;
1320 struct rule *unused_rulep OVS_UNUSED;
1321 struct ofpact_resubmit *resubmit;
1326 ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
1329 controller = ofpact_put_CONTROLLER(&ofpacts);
1330 controller->max_len = UINT16_MAX;
1331 controller->controller_id = 0;
1332 controller->reason = OFPR_NO_MATCH;
1333 ofpact_pad(&ofpacts);
1335 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1336 &ofproto->miss_rule);
1341 ofpbuf_clear(&ofpacts);
1342 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1343 &ofproto->no_packet_in_rule);
1348 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1349 &ofproto->drop_frags_rule);
1354 /* Continue non-recirculation rule lookups from table 0.
1356 * (priority=2), recirc=0, actions=resubmit(, 0)
1358 resubmit = ofpact_put_RESUBMIT(&ofpacts);
1359 resubmit->in_port = OFPP_IN_PORT;
1360 resubmit->table_id = 0;
1362 match_init_catchall(&match);
1363 match_set_recirc_id(&match, 0);
1365 error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
1371 /* Drop any run away recirc rule lookups. Recirc_id has to be
1372 * non-zero when reaching this rule.
1374 * (priority=1), *, actions=drop
1376 ofpbuf_clear(&ofpacts);
1377 match_init_catchall(&match);
1378 error = ofproto_dpif_add_internal_flow(ofproto, &match, 1, 0, &ofpacts,
1385 destruct(struct ofproto *ofproto_)
1387 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1388 struct ofproto_packet_in *pin, *next_pin;
1389 struct rule_dpif *rule;
1390 struct oftable *table;
1393 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1395 xlate_remove_ofproto(ofproto);
1398 /* Ensure that the upcall processing threads have no remaining references
1399 * to the ofproto or anything in it. */
1400 udpif_synchronize(ofproto->backer->udpif);
1402 hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
1404 OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
1405 CLS_FOR_EACH_SAFE (rule, up.cr, &table->cls) {
1406 ofproto_rule_delete(&ofproto->up, &rule->up);
1410 guarded_list_pop_all(&ofproto->pins, &pins);
1411 LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) {
1412 list_remove(&pin->list_node);
1413 free(CONST_CAST(void *, pin->up.packet));
1416 guarded_list_destroy(&ofproto->pins);
1418 mbridge_unref(ofproto->mbridge);
1420 netflow_unref(ofproto->netflow);
1421 dpif_sflow_unref(ofproto->sflow);
1422 dpif_ipfix_unref(ofproto->ipfix);
1423 hmap_destroy(&ofproto->bundles);
1424 mac_learning_unref(ofproto->ml);
1425 mcast_snooping_unref(ofproto->ms);
1427 hmap_destroy(&ofproto->vlandev_map);
1428 hmap_destroy(&ofproto->realdev_vid_map);
1430 sset_destroy(&ofproto->ports);
1431 sset_destroy(&ofproto->ghost_ports);
1432 sset_destroy(&ofproto->port_poll_set);
1434 ovs_mutex_destroy(&ofproto->stats_mutex);
1435 ovs_mutex_destroy(&ofproto->vsp_mutex);
1437 seq_destroy(ofproto->pins_seq);
1439 close_dpif_backer(ofproto->backer);
1443 run(struct ofproto *ofproto_)
1445 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1446 uint64_t new_seq, new_dump_seq;
1448 if (mbridge_need_revalidate(ofproto->mbridge)) {
1449 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1450 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1451 mac_learning_flush(ofproto->ml);
1452 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1453 mcast_snooping_mdb_flush(ofproto->ms);
1456 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1457 * flow restore. Even though nothing is processed during flow restore,
1458 * all queued 'pins' will be handled immediately when flow restore
1460 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1462 /* Do not perform any periodic activity required by 'ofproto' while
1463 * waiting for flow restore to complete. */
1464 if (!ofproto_get_flow_restore_wait()) {
1465 struct ofproto_packet_in *pin, *next_pin;
1468 guarded_list_pop_all(&ofproto->pins, &pins);
1469 LIST_FOR_EACH_SAFE (pin, next_pin, list_node, &pins) {
1470 connmgr_send_packet_in(ofproto->up.connmgr, pin);
1471 list_remove(&pin->list_node);
1472 free(CONST_CAST(void *, pin->up.packet));
1477 if (ofproto->netflow) {
1478 netflow_run(ofproto->netflow);
1480 if (ofproto->sflow) {
1481 dpif_sflow_run(ofproto->sflow);
1483 if (ofproto->ipfix) {
1484 dpif_ipfix_run(ofproto->ipfix);
1487 new_seq = seq_read(connectivity_seq_get());
1488 if (ofproto->change_seq != new_seq) {
1489 struct ofport_dpif *ofport;
1491 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1495 ofproto->change_seq = new_seq;
1497 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1498 struct ofbundle *bundle;
1500 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1507 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1508 if (mac_learning_run(ofproto->ml)) {
1509 ofproto->backer->need_revalidate = REV_MAC_LEARNING;
1511 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1513 if (mcast_snooping_run(ofproto->ms)) {
1514 ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
1517 new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
1518 if (ofproto->dump_seq != new_dump_seq) {
1519 struct rule *rule, *next_rule;
1521 /* We know stats are relatively fresh, so now is a good time to do some
1523 ofproto->dump_seq = new_dump_seq;
1525 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1527 ovs_mutex_lock(&ofproto_mutex);
1528 LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
1529 &ofproto->up.expirable) {
1530 rule_expire(rule_dpif_cast(rule));
1532 ovs_mutex_unlock(&ofproto_mutex);
1534 /* All outstanding data in existing flows has been accounted, so it's a
1535 * good time to do bond rebalancing. */
1536 if (ofproto->has_bonded_bundles) {
1537 struct ofbundle *bundle;
1539 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1541 bond_rebalance(bundle->bond);
1550 wait(struct ofproto *ofproto_)
1552 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1554 if (ofproto_get_flow_restore_wait()) {
1558 if (ofproto->sflow) {
1559 dpif_sflow_wait(ofproto->sflow);
1561 if (ofproto->ipfix) {
1562 dpif_ipfix_wait(ofproto->ipfix);
1564 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1565 struct ofbundle *bundle;
1567 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1568 bundle_wait(bundle);
1571 if (ofproto->netflow) {
1572 netflow_wait(ofproto->netflow);
1574 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
1575 mac_learning_wait(ofproto->ml);
1576 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1577 mcast_snooping_wait(ofproto->ms);
1579 if (ofproto->backer->need_revalidate) {
1580 /* Shouldn't happen, but if it does just go around again. */
1581 VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()");
1582 poll_immediate_wake();
1585 seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq);
1586 seq_wait(ofproto->pins_seq, ofproto->pins_seqno);
1590 type_get_memory_usage(const char *type, struct simap *usage)
1592 struct dpif_backer *backer;
1594 backer = shash_find_data(&all_dpif_backers, type);
1596 udpif_get_memory_usage(backer->udpif, usage);
1601 flush(struct ofproto *ofproto_)
1603 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1604 struct dpif_backer *backer = ofproto->backer;
1607 udpif_flush(backer->udpif);
1612 query_tables(struct ofproto *ofproto,
1613 struct ofputil_table_features *features,
1614 struct ofputil_table_stats *stats)
1616 strcpy(features->name, "classifier");
1621 for (i = 0; i < ofproto->n_tables; i++) {
1622 unsigned long missed, matched;
1624 atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
1625 atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
1627 stats[i].matched_count = matched;
1628 stats[i].lookup_count = matched + missed;
1633 static struct ofport *
1636 struct ofport_dpif *port = xmalloc(sizeof *port);
1641 port_dealloc(struct ofport *port_)
1643 struct ofport_dpif *port = ofport_dpif_cast(port_);
1648 port_construct(struct ofport *port_)
1650 struct ofport_dpif *port = ofport_dpif_cast(port_);
1651 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1652 const struct netdev *netdev = port->up.netdev;
1653 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1654 struct dpif_port dpif_port;
1657 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1658 port->bundle = NULL;
1661 port->may_enable = false;
1662 port->stp_port = NULL;
1663 port->stp_state = STP_DISABLED;
1664 port->rstp_port = NULL;
1665 port->rstp_state = RSTP_DISABLED;
1666 port->is_tunnel = false;
1670 port->realdev_ofp_port = 0;
1671 port->vlandev_vid = 0;
1672 port->carrier_seq = netdev_get_carrier_resets(netdev);
1673 port->is_layer3 = netdev_vport_is_layer3(netdev);
1675 if (netdev_vport_is_patch(netdev)) {
1676 /* By bailing out here, we don't submit the port to the sFlow module
1677 * to be considered for counter polling export. This is correct
1678 * because the patch port represents an interface that sFlow considers
1679 * to be "internal" to the switch as a whole, and therefore not an
1680 * candidate for counter polling. */
1681 port->odp_port = ODPP_NONE;
1682 ofport_update_peer(port);
1686 error = dpif_port_query_by_name(ofproto->backer->dpif,
1687 netdev_vport_get_dpif_port(netdev, namebuf,
1694 port->odp_port = dpif_port.port_no;
1696 if (netdev_get_tunnel_config(netdev)) {
1697 atomic_count_inc(&ofproto->backer->tnl_count);
1698 tnl_port_add(port, port->up.netdev, port->odp_port,
1699 ovs_native_tunneling_is_on(ofproto), namebuf);
1700 port->is_tunnel = true;
1701 if (ofproto->ipfix) {
1702 dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
1705 /* Sanity-check that a mapping doesn't already exist. This
1706 * shouldn't happen for non-tunnel ports. */
1707 if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
1708 VLOG_ERR("port %s already has an OpenFlow port number",
1710 dpif_port_destroy(&dpif_port);
1714 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1715 hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
1716 hash_odp_port(port->odp_port));
1717 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1719 dpif_port_destroy(&dpif_port);
1721 if (ofproto->sflow) {
1722 dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
1729 port_destruct(struct ofport *port_)
1731 struct ofport_dpif *port = ofport_dpif_cast(port_);
1732 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1733 const char *devname = netdev_get_name(port->up.netdev);
1734 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1735 const char *dp_port_name;
1737 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1739 xlate_ofport_remove(port);
1742 dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf,
1744 if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
1745 /* The underlying device is still there, so delete it. This
1746 * happens when the ofproto is being destroyed, since the caller
1747 * assumes that removal of attached ports will happen as part of
1749 if (!port->is_tunnel) {
1750 dpif_port_del(ofproto->backer->dpif, port->odp_port);
1755 port->peer->peer = NULL;
1759 if (port->odp_port != ODPP_NONE && !port->is_tunnel) {
1760 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1761 hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
1762 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1765 if (port->is_tunnel) {
1766 atomic_count_dec(&ofproto->backer->tnl_count);
1769 if (port->is_tunnel && ofproto->ipfix) {
1770 dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
1774 sset_find_and_delete(&ofproto->ports, devname);
1775 sset_find_and_delete(&ofproto->ghost_ports, devname);
1776 bundle_remove(port_);
1777 set_cfm(port_, NULL);
1778 set_bfd(port_, NULL);
1779 if (port->stp_port) {
1780 stp_port_disable(port->stp_port);
1782 set_rstp_port(port_, NULL);
1783 if (ofproto->sflow) {
1784 dpif_sflow_del_port(ofproto->sflow, port->odp_port);
1791 port_modified(struct ofport *port_)
1793 struct ofport_dpif *port = ofport_dpif_cast(port_);
1794 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1795 struct netdev *netdev = port->up.netdev;
1797 if (port->bundle && port->bundle->bond) {
1798 bond_slave_set_netdev(port->bundle->bond, port, netdev);
1802 cfm_set_netdev(port->cfm, netdev);
1806 bfd_set_netdev(port->bfd, netdev);
1809 ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
1810 port->up.pp.hw_addr);
1812 netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1814 if (port->is_tunnel) {
1815 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1817 if (tnl_port_reconfigure(port, netdev, port->odp_port,
1818 ovs_native_tunneling_is_on(ofproto), namebuf)) {
1819 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1823 ofport_update_peer(port);
1827 port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config)
1829 struct ofport_dpif *port = ofport_dpif_cast(port_);
1830 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1831 enum ofputil_port_config changed = old_config ^ port->up.pp.config;
1833 if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
1834 OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
1835 OFPUTIL_PC_NO_PACKET_IN)) {
1836 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1838 if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
1839 bundle_update(port->bundle);
1845 set_sflow(struct ofproto *ofproto_,
1846 const struct ofproto_sflow_options *sflow_options)
1848 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1849 struct dpif_sflow *ds = ofproto->sflow;
1851 if (sflow_options) {
1853 struct ofport_dpif *ofport;
1855 ds = ofproto->sflow = dpif_sflow_create();
1856 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1857 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
1859 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1861 dpif_sflow_set_options(ds, sflow_options);
1864 dpif_sflow_unref(ds);
1865 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1866 ofproto->sflow = NULL;
1874 struct ofproto *ofproto_,
1875 const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
1876 const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
1877 size_t n_flow_exporters_options)
1879 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1880 struct dpif_ipfix *di = ofproto->ipfix;
1881 bool has_options = bridge_exporter_options || flow_exporters_options;
1882 bool new_di = false;
1884 if (has_options && !di) {
1885 di = ofproto->ipfix = dpif_ipfix_create();
1890 /* Call set_options in any case to cleanly flush the flow
1891 * caches in the last exporters that are to be destroyed. */
1892 dpif_ipfix_set_options(
1893 di, bridge_exporter_options, flow_exporters_options,
1894 n_flow_exporters_options);
1896 /* Add tunnel ports only when a new ipfix created */
1897 if (new_di == true) {
1898 struct ofport_dpif *ofport;
1899 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1900 if (ofport->is_tunnel == true) {
1901 dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
1907 dpif_ipfix_unref(di);
1908 ofproto->ipfix = NULL;
1916 set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
1918 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1923 struct ofproto_dpif *ofproto;
1925 ofproto = ofproto_dpif_cast(ofport->up.ofproto);
1926 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1927 ofport->cfm = cfm_create(ofport->up.netdev);
1930 if (cfm_configure(ofport->cfm, s)) {
1937 cfm_unref(ofport->cfm);
1940 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1941 ofport->up.pp.hw_addr);
1946 cfm_status_changed(struct ofport *ofport_)
1948 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1950 return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true;
1954 get_cfm_status(const struct ofport *ofport_,
1955 struct cfm_status *status)
1957 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1961 cfm_get_status(ofport->cfm, status);
1970 set_bfd(struct ofport *ofport_, const struct smap *cfg)
1972 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
1973 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1977 ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev),
1978 cfg, ofport->up.netdev);
1979 if (ofport->bfd != old) {
1980 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1982 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
1983 ofport->up.pp.hw_addr);
1988 bfd_status_changed(struct ofport *ofport_)
1990 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
1992 return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true;
1996 get_bfd_status(struct ofport *ofport_, struct smap *smap)
1998 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2002 bfd_get_status(ofport->bfd, smap);
2010 /* Spanning Tree. */
2012 /* Called while rstp_mutex is held. */
2014 rstp_send_bpdu_cb(struct ofpbuf *pkt, void *ofport_, void *ofproto_)
2016 struct ofproto_dpif *ofproto = ofproto_;
2017 struct ofport_dpif *ofport = ofport_;
2018 struct eth_header *eth = ofpbuf_l2(pkt);
2020 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2021 if (eth_addr_is_zero(eth->eth_src)) {
2022 VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
2023 "does not have a configured source MAC address.",
2024 ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
2026 ofproto_dpif_send_packet(ofport, pkt);
2032 send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_)
2034 struct ofproto_dpif *ofproto = ofproto_;
2035 struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
2036 struct ofport_dpif *ofport;
2038 ofport = stp_port_get_aux(sp);
2040 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
2041 ofproto->up.name, port_num);
2043 struct eth_header *eth = ofpbuf_l2(pkt);
2045 netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
2046 if (eth_addr_is_zero(eth->eth_src)) {
2047 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
2048 "with unknown MAC", ofproto->up.name, port_num);
2050 ofproto_dpif_send_packet(ofport, pkt);
2056 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2058 set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
2060 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2062 /* Only revalidate flows if the configuration changed. */
2063 if (!s != !ofproto->rstp) {
2064 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2068 if (!ofproto->rstp) {
2069 ofproto->rstp = rstp_create(ofproto_->name, s->address,
2070 rstp_send_bpdu_cb, ofproto);
2071 ofproto->rstp_last_tick = time_msec();
2073 rstp_set_bridge_address(ofproto->rstp, s->address);
2074 rstp_set_bridge_priority(ofproto->rstp, s->priority);
2075 rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
2076 rstp_set_bridge_force_protocol_version(ofproto->rstp,
2077 s->force_protocol_version);
2078 rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
2079 rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
2080 rstp_set_bridge_transmit_hold_count(ofproto->rstp,
2081 s->transmit_hold_count);
2083 struct ofport *ofport;
2084 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2085 set_rstp_port(ofport, NULL);
2087 rstp_unref(ofproto->rstp);
2088 ofproto->rstp = NULL;
2093 get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
2095 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2097 if (ofproto->rstp) {
2099 s->root_id = rstp_get_root_id(ofproto->rstp);
2100 s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
2101 s->designated_id = rstp_get_designated_id(ofproto->rstp);
2102 s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
2103 s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
2104 s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
2111 update_rstp_port_state(struct ofport_dpif *ofport)
2113 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2114 enum rstp_state state;
2116 /* Figure out new state. */
2117 state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
2121 if (ofport->rstp_state != state) {
2122 enum ofputil_port_state of_state;
2125 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2126 netdev_get_name(ofport->up.netdev),
2127 rstp_state_name(ofport->rstp_state),
2128 rstp_state_name(state));
2129 if (rstp_learn_in_state(ofport->rstp_state)
2130 != rstp_learn_in_state(state)) {
2131 /* xxx Learning action flows should also be flushed. */
2132 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2133 mac_learning_flush(ofproto->ml);
2134 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2136 fwd_change = rstp_forward_in_state(ofport->rstp_state)
2137 != rstp_forward_in_state(state);
2139 ofproto->backer->need_revalidate = REV_RSTP;
2140 ofport->rstp_state = state;
2142 if (fwd_change && ofport->bundle) {
2143 bundle_update(ofport->bundle);
2146 /* Update the RSTP state bits in the OpenFlow port description. */
2147 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2148 of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
2149 : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2150 : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN
2152 ofproto_port_set_state(&ofport->up, of_state);
2157 rstp_run(struct ofproto_dpif *ofproto)
2159 if (ofproto->rstp) {
2160 long long int now = time_msec();
2161 long long int elapsed = now - ofproto->rstp_last_tick;
2162 struct rstp_port *rp;
2163 struct ofport_dpif *ofport;
2165 /* Every second, decrease the values of the timers. */
2166 if (elapsed >= 1000) {
2167 rstp_tick_timers(ofproto->rstp);
2168 ofproto->rstp_last_tick = now;
2171 while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
2172 update_rstp_port_state(ofport);
2174 /* FIXME: This check should be done on-event (i.e., when setting
2175 * p->fdb_flush) and not periodically.
2177 if (rstp_check_and_reset_fdb_flush(ofproto->rstp)) {
2178 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2179 /* FIXME: RSTP should be able to flush the entries pertaining to a
2180 * single port, not the whole table.
2182 mac_learning_flush(ofproto->ml);
2183 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2188 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2190 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
2192 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2194 /* Only revalidate flows if the configuration changed. */
2195 if (!s != !ofproto->stp) {
2196 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2200 if (!ofproto->stp) {
2201 ofproto->stp = stp_create(ofproto_->name, s->system_id,
2202 send_bpdu_cb, ofproto);
2203 ofproto->stp_last_tick = time_msec();
2206 stp_set_bridge_id(ofproto->stp, s->system_id);
2207 stp_set_bridge_priority(ofproto->stp, s->priority);
2208 stp_set_hello_time(ofproto->stp, s->hello_time);
2209 stp_set_max_age(ofproto->stp, s->max_age);
2210 stp_set_forward_delay(ofproto->stp, s->fwd_delay);
2212 struct ofport *ofport;
2214 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2215 set_stp_port(ofport, NULL);
2218 stp_unref(ofproto->stp);
2219 ofproto->stp = NULL;
2226 get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
2228 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2232 s->bridge_id = stp_get_bridge_id(ofproto->stp);
2233 s->designated_root = stp_get_designated_root(ofproto->stp);
2234 s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
2243 update_stp_port_state(struct ofport_dpif *ofport)
2245 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2246 enum stp_state state;
2248 /* Figure out new state. */
2249 state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
2253 if (ofport->stp_state != state) {
2254 enum ofputil_port_state of_state;
2257 VLOG_DBG("port %s: STP state changed from %s to %s",
2258 netdev_get_name(ofport->up.netdev),
2259 stp_state_name(ofport->stp_state),
2260 stp_state_name(state));
2261 if (stp_learn_in_state(ofport->stp_state)
2262 != stp_learn_in_state(state)) {
2263 /* xxx Learning action flows should also be flushed. */
2264 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2265 mac_learning_flush(ofproto->ml);
2266 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2267 mcast_snooping_mdb_flush(ofproto->ms);
2269 fwd_change = stp_forward_in_state(ofport->stp_state)
2270 != stp_forward_in_state(state);
2272 ofproto->backer->need_revalidate = REV_STP;
2273 ofport->stp_state = state;
2274 ofport->stp_state_entered = time_msec();
2276 if (fwd_change && ofport->bundle) {
2277 bundle_update(ofport->bundle);
2280 /* Update the STP state bits in the OpenFlow port description. */
2281 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2282 of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN
2283 : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN
2284 : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2285 : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK
2287 ofproto_port_set_state(&ofport->up, of_state);
2291 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2292 * caller is responsible for assigning STP port numbers and ensuring
2293 * there are no duplicates. */
2295 set_stp_port(struct ofport *ofport_,
2296 const struct ofproto_port_stp_settings *s)
2298 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2299 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2300 struct stp_port *sp = ofport->stp_port;
2302 if (!s || !s->enable) {
2304 ofport->stp_port = NULL;
2305 stp_port_disable(sp);
2306 update_stp_port_state(ofport);
2309 } else if (sp && stp_port_no(sp) != s->port_num
2310 && ofport == stp_port_get_aux(sp)) {
2311 /* The port-id changed, so disable the old one if it's not
2312 * already in use by another port. */
2313 stp_port_disable(sp);
2316 sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
2318 /* Set name before enabling the port so that debugging messages can print
2320 stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
2321 stp_port_enable(sp);
2323 stp_port_set_aux(sp, ofport);
2324 stp_port_set_priority(sp, s->priority);
2325 stp_port_set_path_cost(sp, s->path_cost);
2327 update_stp_port_state(ofport);
2333 get_stp_port_status(struct ofport *ofport_,
2334 struct ofproto_port_stp_status *s)
2336 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2337 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2338 struct stp_port *sp = ofport->stp_port;
2340 if (!ofproto->stp || !sp) {
2346 s->port_id = stp_port_get_id(sp);
2347 s->state = stp_port_get_state(sp);
2348 s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
2349 s->role = stp_port_get_role(sp);
2355 get_stp_port_stats(struct ofport *ofport_,
2356 struct ofproto_port_stp_stats *s)
2358 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2359 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2360 struct stp_port *sp = ofport->stp_port;
2362 if (!ofproto->stp || !sp) {
2368 stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
2374 stp_run(struct ofproto_dpif *ofproto)
2377 long long int now = time_msec();
2378 long long int elapsed = now - ofproto->stp_last_tick;
2379 struct stp_port *sp;
2382 stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
2383 ofproto->stp_last_tick = now;
2385 while (stp_get_changed_port(ofproto->stp, &sp)) {
2386 struct ofport_dpif *ofport = stp_port_get_aux(sp);
2389 update_stp_port_state(ofport);
2393 if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
2394 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2395 mac_learning_flush(ofproto->ml);
2396 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2397 mcast_snooping_mdb_flush(ofproto->ms);
2403 stp_wait(struct ofproto_dpif *ofproto)
2406 poll_timer_wait(1000);
2410 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2411 * caller is responsible for assigning RSTP port numbers and ensuring
2412 * there are no duplicates. */
2414 set_rstp_port(struct ofport *ofport_,
2415 const struct ofproto_port_rstp_settings *s)
2417 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2418 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2419 struct rstp_port *rp = ofport->rstp_port;
2421 if (!s || !s->enable) {
2423 rstp_port_unref(rp);
2424 ofport->rstp_port = NULL;
2425 update_rstp_port_state(ofport);
2430 /* Check if need to add a new port. */
2432 rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
2435 rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
2436 s->admin_edge_port, s->auto_edge, s->mcheck, ofport);
2437 update_rstp_port_state(ofport);
2438 /* Synchronize operational status. */
2439 rstp_port_set_mac_operational(rp, ofport->may_enable);
2443 get_rstp_port_status(struct ofport *ofport_,
2444 struct ofproto_port_rstp_status *s)
2446 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2447 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2448 struct rstp_port *rp = ofport->rstp_port;
2450 if (!ofproto->rstp || !rp) {
2456 rstp_port_get_status(rp, &s->port_id, &s->state, &s->role,
2457 &s->designated_bridge_id, &s->designated_port_id,
2458 &s->designated_path_cost, &s->tx_count,
2459 &s->rx_count, &s->error_count, &s->uptime);
2464 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
2467 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2468 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2470 if (ofport->n_qdscp != n_qdscp
2471 || (n_qdscp && memcmp(ofport->qdscp, qdscp,
2472 n_qdscp * sizeof *qdscp))) {
2473 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2474 free(ofport->qdscp);
2475 ofport->qdscp = n_qdscp
2476 ? xmemdup(qdscp, n_qdscp * sizeof *qdscp)
2478 ofport->n_qdscp = n_qdscp;
2486 /* Expires all MAC learning entries associated with 'bundle' and forces its
2487 * ofproto to revalidate every flow.
2489 * Normally MAC learning entries are removed only from the ofproto associated
2490 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2491 * are removed from every ofproto. When patch ports and SLB bonds are in use
2492 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2493 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2494 * with the host from which it migrated. */
2496 bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
2498 struct ofproto_dpif *ofproto = bundle->ofproto;
2499 struct mac_learning *ml = ofproto->ml;
2500 struct mac_entry *mac, *next_mac;
2502 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2503 ovs_rwlock_wrlock(&ml->rwlock);
2504 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2505 if (mac->port.p == bundle) {
2507 struct ofproto_dpif *o;
2509 HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
2511 struct mac_entry *e;
2513 ovs_rwlock_wrlock(&o->ml->rwlock);
2514 e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
2516 mac_learning_expire(o->ml, e);
2518 ovs_rwlock_unlock(&o->ml->rwlock);
2523 mac_learning_expire(ml, mac);
2526 ovs_rwlock_unlock(&ml->rwlock);
2529 static struct ofbundle *
2530 bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
2532 struct ofbundle *bundle;
2534 HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0),
2535 &ofproto->bundles) {
2536 if (bundle->aux == aux) {
2544 bundle_update(struct ofbundle *bundle)
2546 struct ofport_dpif *port;
2548 bundle->floodable = true;
2549 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2550 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2552 || !stp_forward_in_state(port->stp_state)) {
2553 bundle->floodable = false;
2560 bundle_del_port(struct ofport_dpif *port)
2562 struct ofbundle *bundle = port->bundle;
2564 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2566 list_remove(&port->bundle_node);
2567 port->bundle = NULL;
2570 lacp_slave_unregister(bundle->lacp, port);
2573 bond_slave_unregister(bundle->bond, port);
2576 bundle_update(bundle);
2580 bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port,
2581 struct lacp_slave_settings *lacp)
2583 struct ofport_dpif *port;
2585 port = get_ofp_port(bundle->ofproto, ofp_port);
2590 if (port->bundle != bundle) {
2591 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2593 bundle_remove(&port->up);
2596 port->bundle = bundle;
2597 list_push_back(&bundle->ports, &port->bundle_node);
2598 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2600 || !stp_forward_in_state(port->stp_state)) {
2601 bundle->floodable = false;
2605 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2606 lacp_slave_register(bundle->lacp, port, lacp);
2613 bundle_destroy(struct ofbundle *bundle)
2615 struct ofproto_dpif *ofproto;
2616 struct ofport_dpif *port, *next_port;
2622 ofproto = bundle->ofproto;
2623 mbridge_unregister_bundle(ofproto->mbridge, bundle->aux);
2626 xlate_bundle_remove(bundle);
2629 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2630 bundle_del_port(port);
2633 bundle_flush_macs(bundle, true);
2634 hmap_remove(&ofproto->bundles, &bundle->hmap_node);
2636 free(bundle->trunks);
2637 lacp_unref(bundle->lacp);
2638 bond_unref(bundle->bond);
2643 bundle_set(struct ofproto *ofproto_, void *aux,
2644 const struct ofproto_bundle_settings *s)
2646 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2647 bool need_flush = false;
2648 struct ofport_dpif *port;
2649 struct ofbundle *bundle;
2650 unsigned long *trunks;
2656 bundle_destroy(bundle_lookup(ofproto, aux));
2660 ovs_assert(s->n_slaves == 1 || s->bond != NULL);
2661 ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL));
2663 bundle = bundle_lookup(ofproto, aux);
2665 bundle = xmalloc(sizeof *bundle);
2667 bundle->ofproto = ofproto;
2668 hmap_insert(&ofproto->bundles, &bundle->hmap_node,
2669 hash_pointer(aux, 0));
2671 bundle->name = NULL;
2673 list_init(&bundle->ports);
2674 bundle->vlan_mode = PORT_VLAN_TRUNK;
2676 bundle->trunks = NULL;
2677 bundle->use_priority_tags = s->use_priority_tags;
2678 bundle->lacp = NULL;
2679 bundle->bond = NULL;
2681 bundle->floodable = true;
2682 mbridge_register_bundle(ofproto->mbridge, bundle);
2685 if (!bundle->name || strcmp(s->name, bundle->name)) {
2687 bundle->name = xstrdup(s->name);
2692 ofproto->lacp_enabled = true;
2693 if (!bundle->lacp) {
2694 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2695 bundle->lacp = lacp_create();
2697 lacp_configure(bundle->lacp, s->lacp);
2699 lacp_unref(bundle->lacp);
2700 bundle->lacp = NULL;
2703 /* Update set of ports. */
2705 for (i = 0; i < s->n_slaves; i++) {
2706 if (!bundle_add_port(bundle, s->slaves[i],
2707 s->lacp ? &s->lacp_slaves[i] : NULL)) {
2711 if (!ok || list_size(&bundle->ports) != s->n_slaves) {
2712 struct ofport_dpif *next_port;
2714 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2715 for (i = 0; i < s->n_slaves; i++) {
2716 if (s->slaves[i] == port->up.ofp_port) {
2721 bundle_del_port(port);
2725 ovs_assert(list_size(&bundle->ports) <= s->n_slaves);
2727 if (list_is_empty(&bundle->ports)) {
2728 bundle_destroy(bundle);
2732 /* Set VLAN tagging mode */
2733 if (s->vlan_mode != bundle->vlan_mode
2734 || s->use_priority_tags != bundle->use_priority_tags) {
2735 bundle->vlan_mode = s->vlan_mode;
2736 bundle->use_priority_tags = s->use_priority_tags;
2741 vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1
2742 : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan
2744 if (vlan != bundle->vlan) {
2745 bundle->vlan = vlan;
2749 /* Get trunked VLANs. */
2750 switch (s->vlan_mode) {
2751 case PORT_VLAN_ACCESS:
2755 case PORT_VLAN_TRUNK:
2756 trunks = CONST_CAST(unsigned long *, s->trunks);
2759 case PORT_VLAN_NATIVE_UNTAGGED:
2760 case PORT_VLAN_NATIVE_TAGGED:
2761 if (vlan != 0 && (!s->trunks
2762 || !bitmap_is_set(s->trunks, vlan)
2763 || bitmap_is_set(s->trunks, 0))) {
2764 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2766 trunks = bitmap_clone(s->trunks, 4096);
2768 trunks = bitmap_allocate1(4096);
2770 bitmap_set1(trunks, vlan);
2771 bitmap_set0(trunks, 0);
2773 trunks = CONST_CAST(unsigned long *, s->trunks);
2780 if (!vlan_bitmap_equal(trunks, bundle->trunks)) {
2781 free(bundle->trunks);
2782 if (trunks == s->trunks) {
2783 bundle->trunks = vlan_bitmap_clone(trunks);
2785 bundle->trunks = trunks;
2790 if (trunks != s->trunks) {
2795 if (!list_is_short(&bundle->ports)) {
2796 bundle->ofproto->has_bonded_bundles = true;
2798 if (bond_reconfigure(bundle->bond, s->bond)) {
2799 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2802 bundle->bond = bond_create(s->bond, ofproto);
2803 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2806 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2807 bond_slave_register(bundle->bond, port,
2808 port->up.ofp_port, port->up.netdev);
2811 bond_unref(bundle->bond);
2812 bundle->bond = NULL;
2815 /* If we changed something that would affect MAC learning, un-learn
2816 * everything on this port and force flow revalidation. */
2818 bundle_flush_macs(bundle, false);
2825 bundle_remove(struct ofport *port_)
2827 struct ofport_dpif *port = ofport_dpif_cast(port_);
2828 struct ofbundle *bundle = port->bundle;
2831 bundle_del_port(port);
2832 if (list_is_empty(&bundle->ports)) {
2833 bundle_destroy(bundle);
2834 } else if (list_is_short(&bundle->ports)) {
2835 bond_unref(bundle->bond);
2836 bundle->bond = NULL;
2842 send_pdu_cb(void *port_, const void *pdu, size_t pdu_size)
2844 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
2845 struct ofport_dpif *port = port_;
2846 uint8_t ea[ETH_ADDR_LEN];
2849 error = netdev_get_etheraddr(port->up.netdev, ea);
2851 struct ofpbuf packet;
2854 ofpbuf_init(&packet, 0);
2855 packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
2857 memcpy(packet_pdu, pdu, pdu_size);
2859 ofproto_dpif_send_packet(port, &packet);
2860 ofpbuf_uninit(&packet);
2862 VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
2863 "%s (%s)", port->bundle->name,
2864 netdev_get_name(port->up.netdev), ovs_strerror(error));
2869 bundle_send_learning_packets(struct ofbundle *bundle)
2871 struct ofproto_dpif *ofproto = bundle->ofproto;
2872 struct ofpbuf *learning_packet;
2873 int error, n_packets, n_errors;
2874 struct mac_entry *e;
2875 struct list packets;
2877 list_init(&packets);
2878 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
2879 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
2880 if (e->port.p != bundle) {
2883 learning_packet = bond_compose_learning_packet(bundle->bond,
2886 /* Temporarily use 'frame' as a private pointer (see below). */
2887 ovs_assert(learning_packet->frame == ofpbuf_data(learning_packet));
2888 learning_packet->frame = port_void;
2889 list_push_back(&packets, &learning_packet->list_node);
2892 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2894 error = n_packets = n_errors = 0;
2895 LIST_FOR_EACH (learning_packet, list_node, &packets) {
2897 void *port_void = learning_packet->frame;
2899 /* Restore 'frame'. */
2900 learning_packet->frame = ofpbuf_data(learning_packet);
2901 ret = ofproto_dpif_send_packet(port_void, learning_packet);
2908 ofpbuf_list_delete(&packets);
2911 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2912 VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
2913 "packets, last error was: %s",
2914 bundle->name, n_errors, n_packets, ovs_strerror(error));
2916 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
2917 bundle->name, n_packets);
2922 bundle_run(struct ofbundle *bundle)
2925 lacp_run(bundle->lacp, send_pdu_cb);
2928 struct ofport_dpif *port;
2930 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2931 bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
2934 if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
2935 bundle->ofproto->backer->need_revalidate = REV_BOND;
2938 if (bond_should_send_learning_packets(bundle->bond)) {
2939 bundle_send_learning_packets(bundle);
2945 bundle_wait(struct ofbundle *bundle)
2948 lacp_wait(bundle->lacp);
2951 bond_wait(bundle->bond);
2958 mirror_set__(struct ofproto *ofproto_, void *aux,
2959 const struct ofproto_mirror_settings *s)
2961 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2962 struct ofbundle **srcs, **dsts;
2967 mirror_destroy(ofproto->mbridge, aux);
2971 srcs = xmalloc(s->n_srcs * sizeof *srcs);
2972 dsts = xmalloc(s->n_dsts * sizeof *dsts);
2974 for (i = 0; i < s->n_srcs; i++) {
2975 srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
2978 for (i = 0; i < s->n_dsts; i++) {
2979 dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
2982 error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
2983 s->n_dsts, s->src_vlans,
2984 bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
2991 mirror_get_stats__(struct ofproto *ofproto, void *aux,
2992 uint64_t *packets, uint64_t *bytes)
2994 return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
2999 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
3001 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3002 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3003 if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
3004 mac_learning_flush(ofproto->ml);
3006 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3011 is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
3013 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3014 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3015 return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
3019 forward_bpdu_changed(struct ofproto *ofproto_)
3021 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3022 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3026 set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
3029 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3030 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3031 mac_learning_set_idle_time(ofproto->ml, idle_time);
3032 mac_learning_set_max_entries(ofproto->ml, max_entries);
3033 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3036 /* Configures multicast snooping on 'ofport' using the settings
3037 * defined in 's'. */
3039 set_mcast_snooping(struct ofproto *ofproto_,
3040 const struct ofproto_mcast_snooping_settings *s)
3042 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3044 /* Only revalidate flows if the configuration changed. */
3045 if (!s != !ofproto->ms) {
3046 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3051 ofproto->ms = mcast_snooping_create();
3054 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3055 mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
3056 mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
3057 if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
3058 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3060 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3062 mcast_snooping_unref(ofproto->ms);
3069 /* Configures multicast snooping port's flood setting on 'ofproto'. */
3071 set_mcast_snooping_port(struct ofproto *ofproto_, void *aux, bool flood)
3073 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3074 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3077 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3078 mcast_snooping_set_port_flood(ofproto->ms, bundle->vlan, bundle,
3080 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3088 static struct ofport_dpif *
3089 get_ofp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
3091 struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port);
3092 return ofport ? ofport_dpif_cast(ofport) : NULL;
3096 ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto,
3097 struct ofproto_port *ofproto_port,
3098 struct dpif_port *dpif_port)
3100 ofproto_port->name = dpif_port->name;
3101 ofproto_port->type = dpif_port->type;
3102 ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
3106 ofport_update_peer(struct ofport_dpif *ofport)
3108 const struct ofproto_dpif *ofproto;
3109 struct dpif_backer *backer;
3112 if (!netdev_vport_is_patch(ofport->up.netdev)) {
3116 backer = ofproto_dpif_cast(ofport->up.ofproto)->backer;
3117 backer->need_revalidate = REV_RECONFIGURE;
3120 ofport->peer->peer = NULL;
3121 ofport->peer = NULL;
3124 peer_name = netdev_vport_patch_peer(ofport->up.netdev);
3129 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
3130 struct ofport *peer_ofport;
3131 struct ofport_dpif *peer;
3134 if (ofproto->backer != backer) {
3138 peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name);
3143 peer = ofport_dpif_cast(peer_ofport);
3144 peer_peer = netdev_vport_patch_peer(peer->up.netdev);
3145 if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev),
3147 ofport->peer = peer;
3148 ofport->peer->peer = ofport;
3158 port_run(struct ofport_dpif *ofport)
3160 long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev);
3161 bool carrier_changed = carrier_seq != ofport->carrier_seq;
3162 bool enable = netdev_get_carrier(ofport->up.netdev);
3163 bool cfm_enable = false;
3164 bool bfd_enable = false;
3166 ofport->carrier_seq = carrier_seq;
3169 int cfm_opup = cfm_get_opup(ofport->cfm);
3171 cfm_enable = !cfm_get_fault(ofport->cfm);
3173 if (cfm_opup >= 0) {
3174 cfm_enable = cfm_enable && cfm_opup;
3179 bfd_enable = bfd_forwarding(ofport->bfd);
3182 if (ofport->bfd || ofport->cfm) {
3183 enable = enable && (cfm_enable || bfd_enable);
3186 if (ofport->bundle) {
3187 enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
3188 if (carrier_changed) {
3189 lacp_slave_carrier_changed(ofport->bundle->lacp, ofport);
3193 if (ofport->may_enable != enable) {
3194 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3196 ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
3198 if (ofport->rstp_port) {
3199 rstp_port_set_mac_operational(ofport->rstp_port, enable);
3203 ofport->may_enable = enable;
3207 port_query_by_name(const struct ofproto *ofproto_, const char *devname,
3208 struct ofproto_port *ofproto_port)
3210 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3211 struct dpif_port dpif_port;
3214 if (sset_contains(&ofproto->ghost_ports, devname)) {
3215 const char *type = netdev_get_type_from_name(devname);
3217 /* We may be called before ofproto->up.port_by_name is populated with
3218 * the appropriate ofport. For this reason, we must get the name and
3219 * type from the netdev layer directly. */
3221 const struct ofport *ofport;
3223 ofport = shash_find_data(&ofproto->up.port_by_name, devname);
3224 ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
3225 ofproto_port->name = xstrdup(devname);
3226 ofproto_port->type = xstrdup(type);
3232 if (!sset_contains(&ofproto->ports, devname)) {
3235 error = dpif_port_query_by_name(ofproto->backer->dpif,
3236 devname, &dpif_port);
3238 ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port);
3244 port_add(struct ofproto *ofproto_, struct netdev *netdev)
3246 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3247 const char *devname = netdev_get_name(netdev);
3248 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
3249 const char *dp_port_name;
3251 if (netdev_vport_is_patch(netdev)) {
3252 sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
3256 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
3257 if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
3258 odp_port_t port_no = ODPP_NONE;
3261 error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
3265 if (netdev_get_tunnel_config(netdev)) {
3266 simap_put(&ofproto->backer->tnl_backers,
3267 dp_port_name, odp_to_u32(port_no));
3271 if (netdev_get_tunnel_config(netdev)) {
3272 sset_add(&ofproto->ghost_ports, devname);
3274 sset_add(&ofproto->ports, devname);
3280 port_del(struct ofproto *ofproto_, ofp_port_t ofp_port)
3282 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3283 struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
3290 sset_find_and_delete(&ofproto->ghost_ports,
3291 netdev_get_name(ofport->up.netdev));
3292 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3293 if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) {
3294 error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
3296 /* The caller is going to close ofport->up.netdev. If this is a
3297 * bonded port, then the bond is using that netdev, so remove it
3298 * from the bond. The client will need to reconfigure everything
3299 * after deleting ports, so then the slave will get re-added. */
3300 bundle_remove(&ofport->up);
3307 port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
3309 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3312 error = netdev_get_stats(ofport->up.netdev, stats);
3314 if (!error && ofport_->ofp_port == OFPP_LOCAL) {
3315 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3317 ovs_mutex_lock(&ofproto->stats_mutex);
3318 /* ofproto->stats.tx_packets represents packets that we created
3319 * internally and sent to some port (e.g. packets sent with
3320 * ofproto_dpif_send_packet()). Account for them as if they had
3321 * come from OFPP_LOCAL and got forwarded. */
3323 if (stats->rx_packets != UINT64_MAX) {
3324 stats->rx_packets += ofproto->stats.tx_packets;
3327 if (stats->rx_bytes != UINT64_MAX) {
3328 stats->rx_bytes += ofproto->stats.tx_bytes;
3331 /* ofproto->stats.rx_packets represents packets that were received on
3332 * some port and we processed internally and dropped (e.g. STP).
3333 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3335 if (stats->tx_packets != UINT64_MAX) {
3336 stats->tx_packets += ofproto->stats.rx_packets;
3339 if (stats->tx_bytes != UINT64_MAX) {
3340 stats->tx_bytes += ofproto->stats.rx_bytes;
3342 ovs_mutex_unlock(&ofproto->stats_mutex);
3349 port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats)
3351 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3352 if (ofport->bundle && ofport->bundle->lacp) {
3353 if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) {
3360 struct port_dump_state {
3365 struct ofproto_port port;
3370 port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
3372 *statep = xzalloc(sizeof(struct port_dump_state));
3377 port_dump_next(const struct ofproto *ofproto_, void *state_,
3378 struct ofproto_port *port)
3380 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3381 struct port_dump_state *state = state_;
3382 const struct sset *sset;
3383 struct sset_node *node;
3385 if (state->has_port) {
3386 ofproto_port_destroy(&state->port);
3387 state->has_port = false;
3389 sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
3390 while ((node = sset_at_position(sset, &state->bucket, &state->offset))) {
3393 error = port_query_by_name(ofproto_, node->name, &state->port);
3395 *port = state->port;
3396 state->has_port = true;
3398 } else if (error != ENODEV) {
3403 if (!state->ghost) {
3404 state->ghost = true;
3407 return port_dump_next(ofproto_, state_, port);
3414 port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_)
3416 struct port_dump_state *state = state_;
3418 if (state->has_port) {
3419 ofproto_port_destroy(&state->port);
3426 port_poll(const struct ofproto *ofproto_, char **devnamep)
3428 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3430 if (ofproto->port_poll_errno) {
3431 int error = ofproto->port_poll_errno;
3432 ofproto->port_poll_errno = 0;
3436 if (sset_is_empty(&ofproto->port_poll_set)) {
3440 *devnamep = sset_pop(&ofproto->port_poll_set);
3445 port_poll_wait(const struct ofproto *ofproto_)
3447 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3448 dpif_port_poll_wait(ofproto->backer->dpif);
3452 port_is_lacp_current(const struct ofport *ofport_)
3454 const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3455 return (ofport->bundle && ofport->bundle->lacp
3456 ? lacp_slave_is_current(ofport->bundle->lacp, ofport)
3460 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3461 * then delete it entirely. */
3463 rule_expire(struct rule_dpif *rule)
3464 OVS_REQUIRES(ofproto_mutex)
3466 uint16_t hard_timeout, idle_timeout;
3467 long long int now = time_msec();
3470 hard_timeout = rule->up.hard_timeout;
3471 idle_timeout = rule->up.idle_timeout;
3473 /* Has 'rule' expired? */
3475 long long int modified;
3477 ovs_mutex_lock(&rule->up.mutex);
3478 modified = rule->up.modified;
3479 ovs_mutex_unlock(&rule->up.mutex);
3481 if (now > modified + hard_timeout * 1000) {
3482 reason = OFPRR_HARD_TIMEOUT;
3486 if (reason < 0 && idle_timeout) {
3489 ovs_mutex_lock(&rule->stats_mutex);
3490 used = rule->stats.used;
3491 ovs_mutex_unlock(&rule->stats_mutex);
3493 if (now > used + idle_timeout * 1000) {
3494 reason = OFPRR_IDLE_TIMEOUT;
3499 COVERAGE_INC(ofproto_dpif_expired);
3500 ofproto_rule_expire(&rule->up, reason);
3504 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3505 * 'flow' must reflect the data in 'packet'. */
3507 ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
3508 const struct flow *flow,
3509 struct rule_dpif *rule,
3510 const struct ofpact *ofpacts, size_t ofpacts_len,
3511 struct ofpbuf *packet)
3513 struct dpif_flow_stats stats;
3514 struct xlate_out xout;
3515 struct xlate_in xin;
3517 struct dpif_execute execute;
3520 ovs_assert((rule != NULL) != (ofpacts != NULL));
3522 dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
3525 rule_dpif_credit_stats(rule, &stats);
3528 xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
3529 stats.tcp_flags, packet);
3530 xin.ofpacts = ofpacts;
3531 xin.ofpacts_len = ofpacts_len;
3532 xin.resubmit_stats = &stats;
3533 xlate_actions(&xin, &xout);
3535 execute.actions = ofpbuf_data(xout.odp_actions);
3536 execute.actions_len = ofpbuf_size(xout.odp_actions);
3538 execute.packet = packet;
3539 execute.md = pkt_metadata_from_flow(flow);
3540 execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
3541 execute.probe = false;
3543 /* Fix up in_port. */
3544 in_port = flow->in_port.ofp_port;
3545 if (in_port == OFPP_NONE) {
3546 in_port = OFPP_LOCAL;
3548 execute.md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
3550 error = dpif_execute(ofproto->backer->dpif, &execute);
3552 xlate_out_uninit(&xout);
3558 rule_dpif_credit_stats(struct rule_dpif *rule,
3559 const struct dpif_flow_stats *stats)
3561 ovs_mutex_lock(&rule->stats_mutex);
3562 rule->stats.n_packets += stats->n_packets;
3563 rule->stats.n_bytes += stats->n_bytes;
3564 rule->stats.used = MAX(rule->stats.used, stats->used);
3565 ovs_mutex_unlock(&rule->stats_mutex);
3569 rule_dpif_get_flow_cookie(const struct rule_dpif *rule)
3570 OVS_REQUIRES(rule->up.mutex)
3572 return rule->up.flow_cookie;
3576 rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout,
3577 uint16_t hard_timeout)
3579 ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
3582 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3583 * be read until the calling thread quiesces. */
3584 const struct rule_actions *
3585 rule_dpif_get_actions(const struct rule_dpif *rule)
3587 return rule_get_actions(&rule->up);
3590 /* Sets 'rule''s recirculation id. */
3592 rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
3593 OVS_REQUIRES(rule->up.mutex)
3595 ovs_assert(!rule->recirc_id);
3596 rule->recirc_id = id;
3599 /* Returns 'rule''s recirculation id. */
3601 rule_dpif_get_recirc_id(struct rule_dpif *rule)
3602 OVS_REQUIRES(rule->up.mutex)
3604 if (!rule->recirc_id) {
3605 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3607 rule_dpif_set_recirc_id(rule, ofproto_dpif_alloc_recirc_id(ofproto));
3609 return rule->recirc_id;
3612 /* Sets 'rule''s recirculation id. */
3614 rule_set_recirc_id(struct rule *rule_, uint32_t id)
3616 struct rule_dpif *rule = rule_dpif_cast(rule_);
3618 ovs_mutex_lock(&rule->up.mutex);
3619 rule_dpif_set_recirc_id(rule, id);
3620 ovs_mutex_unlock(&rule->up.mutex);
3623 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
3624 * If 'wc' is non-null, sets the fields that were relevant as part of
3625 * the lookup. Returns the table id where a match or miss occurred via
3626 * 'table_id'. This will be zero unless there was a miss and
3627 * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables
3628 * where misses occur, or TBL_INTERNAL if the rule has a non-zero
3629 * recirculation ID, and a match was found in the internal table, or if
3630 * there was no match and one of the special rules (drop_frags_rule,
3631 * miss_rule, or no_packet_in_rule) was returned.
3633 * The return value is the found rule, which is valid at least until the next
3634 * RCU quiescent period. If the rule needs to stay around longer,
3635 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3636 * on it before this returns. */
3638 rule_dpif_lookup(struct ofproto_dpif *ofproto, struct flow *flow,
3639 struct flow_wildcards *wc, bool take_ref,
3640 const struct dpif_flow_stats *stats, uint8_t *table_id)
3644 if (ofproto_dpif_get_enable_recirc(ofproto)) {
3645 /* Always exactly match recirc_id since datapath supports
3648 wc->masks.recirc_id = UINT32_MAX;
3650 if (flow->recirc_id) {
3651 /* Start looking up from internal table for post recirculation
3652 * flows or packets. */
3653 *table_id = TBL_INTERNAL;
3657 return rule_dpif_lookup_from_table(ofproto, flow, wc, take_ref, stats,
3658 table_id, flow->in_port.ofp_port, true,
3662 /* The returned rule (if any) is valid at least until the next RCU quiescent
3663 * period. If the rule needs to stay around longer, a non-zero 'take_ref'
3664 * must be passed in to cause a reference to be taken on it. */
3665 static struct rule_dpif *
3666 rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, uint8_t table_id,
3667 const struct flow *flow, struct flow_wildcards *wc,
3670 struct classifier *cls = &ofproto->up.tables[table_id].cls;
3671 const struct cls_rule *cls_rule;
3672 struct rule_dpif *rule;
3675 cls_rule = classifier_lookup(cls, flow, wc);
3677 rule = rule_dpif_cast(rule_from_cls_rule(cls_rule));
3679 /* Try again if the rule was released before we get the reference. */
3680 } while (rule && take_ref && !rule_dpif_try_ref(rule));
3685 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3686 * Returns the rule that was found, which may be one of the special rules
3687 * according to packet miss hadling. If 'may_packet_in' is false, returning of
3688 * the miss_rule (which issues packet ins for the controller) is avoided.
3689 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3692 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3693 * if none is found then the table miss configuration for that table is
3694 * honored, which can result in additional lookups in other OpenFlow tables.
3695 * In this case the function updates '*table_id' to reflect the final OpenFlow
3696 * table that was searched.
3698 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3701 * The rule is returned in '*rule', which is valid at least until the next
3702 * RCU quiescent period. If the '*rule' needs to stay around longer,
3703 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3704 * on it before this returns.
3706 * 'in_port' allows the lookup to take place as if the in port had the value
3707 * 'in_port'. This is needed for resubmit action support. */
3709 rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto, struct flow *flow,
3710 struct flow_wildcards *wc, bool take_ref,
3711 const struct dpif_flow_stats *stats,
3712 uint8_t *table_id, ofp_port_t in_port,
3713 bool may_packet_in, bool honor_table_miss)
3715 ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst;
3716 ofp_port_t old_in_port = flow->in_port.ofp_port;
3717 enum ofputil_table_miss miss_config;
3718 struct rule_dpif *rule;
3721 /* We always unwildcard nw_frag (for IP), so they
3722 * need not be unwildcarded here. */
3723 if (flow->nw_frag & FLOW_NW_FRAG_ANY
3724 && ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
3725 if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
3726 /* We must pretend that transport ports are unavailable. */
3727 flow->tp_src = htons(0);
3728 flow->tp_dst = htons(0);
3730 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3731 * Use the drop_frags_rule (which cannot disappear). */
3732 rule = ofproto->drop_frags_rule;
3734 rule_dpif_ref(rule);
3737 struct oftable *tbl = &ofproto->up.tables[*table_id];
3740 atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig);
3746 /* Look up a flow with 'in_port' as the input port. Then restore the
3747 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3748 * have surprising behavior). */
3749 flow->in_port.ofp_port = in_port;
3751 /* Our current implementation depends on n_tables == N_TABLES, and
3752 * TBL_INTERNAL being the last table. */
3753 BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1);
3755 miss_config = OFPUTIL_TABLE_MISS_CONTINUE;
3757 for (next_id = *table_id;
3758 next_id < ofproto->up.n_tables;
3759 next_id++, next_id += (next_id == TBL_INTERNAL))
3761 *table_id = next_id;
3762 rule = rule_dpif_lookup_in_table(ofproto, next_id, flow, wc, take_ref);
3764 struct oftable *tbl = &ofproto->up.tables[next_id];
3767 atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed,
3768 stats->n_packets, &orig);
3771 goto out; /* Match. */
3773 if (honor_table_miss) {
3774 miss_config = ofproto_table_get_miss_config(&ofproto->up,
3776 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) {
3783 rule = ofproto->no_packet_in_rule;
3784 if (may_packet_in) {
3785 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE
3786 || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) {
3787 struct ofport_dpif *port;
3789 port = get_ofp_port(ofproto, old_in_port);
3791 VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
3793 } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) {
3794 rule = ofproto->miss_rule;
3796 } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT &&
3797 connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
3798 rule = ofproto->miss_rule;
3802 rule_dpif_ref(rule);
3805 /* Restore port numbers, as they may have been modified above. */
3806 flow->tp_src = old_tp_src;
3807 flow->tp_dst = old_tp_dst;
3808 /* Restore the old in port. */
3809 flow->in_port.ofp_port = old_in_port;
3815 complete_operation(struct rule_dpif *rule)
3816 OVS_REQUIRES(ofproto_mutex)
3818 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3820 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
3823 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
3825 return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL;
3828 static struct rule *
3831 struct rule_dpif *rule = xmalloc(sizeof *rule);
3836 rule_dealloc(struct rule *rule_)
3838 struct rule_dpif *rule = rule_dpif_cast(rule_);
3843 rule_construct(struct rule *rule_)
3844 OVS_NO_THREAD_SAFETY_ANALYSIS
3846 struct rule_dpif *rule = rule_dpif_cast(rule_);
3847 ovs_mutex_init_adaptive(&rule->stats_mutex);
3848 rule->stats.n_packets = 0;
3849 rule->stats.n_bytes = 0;
3850 rule->stats.used = rule->up.modified;
3851 rule->recirc_id = 0;
3857 rule_insert(struct rule *rule_)
3858 OVS_REQUIRES(ofproto_mutex)
3860 struct rule_dpif *rule = rule_dpif_cast(rule_);
3861 complete_operation(rule);
3866 rule_delete(struct rule *rule_)
3867 OVS_REQUIRES(ofproto_mutex)
3869 struct rule_dpif *rule = rule_dpif_cast(rule_);
3870 complete_operation(rule);
3874 rule_destruct(struct rule *rule_)
3876 struct rule_dpif *rule = rule_dpif_cast(rule_);
3878 ovs_mutex_destroy(&rule->stats_mutex);
3879 if (rule->recirc_id) {
3880 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3882 ofproto_dpif_free_recirc_id(ofproto, rule->recirc_id);
3887 rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes,
3888 long long int *used)
3890 struct rule_dpif *rule = rule_dpif_cast(rule_);
3892 ovs_mutex_lock(&rule->stats_mutex);
3893 *packets = rule->stats.n_packets;
3894 *bytes = rule->stats.n_bytes;
3895 *used = rule->stats.used;
3896 ovs_mutex_unlock(&rule->stats_mutex);
3900 rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
3901 struct ofpbuf *packet)
3903 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3905 ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet);
3909 rule_execute(struct rule *rule, const struct flow *flow,
3910 struct ofpbuf *packet)
3912 rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
3913 ofpbuf_delete(packet);
3918 rule_modify_actions(struct rule *rule_, bool reset_counters)
3919 OVS_REQUIRES(ofproto_mutex)
3921 struct rule_dpif *rule = rule_dpif_cast(rule_);
3923 if (reset_counters) {
3924 ovs_mutex_lock(&rule->stats_mutex);
3925 rule->stats.n_packets = 0;
3926 rule->stats.n_bytes = 0;
3927 ovs_mutex_unlock(&rule->stats_mutex);
3930 complete_operation(rule);
3933 static struct group_dpif *group_dpif_cast(const struct ofgroup *group)
3935 return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL;
3938 static struct ofgroup *
3941 struct group_dpif *group = xzalloc(sizeof *group);
3946 group_dealloc(struct ofgroup *group_)
3948 struct group_dpif *group = group_dpif_cast(group_);
3953 group_construct_stats(struct group_dpif *group)
3954 OVS_REQUIRES(group->stats_mutex)
3956 struct ofputil_bucket *bucket;
3957 const struct list *buckets;
3959 group->packet_count = 0;
3960 group->byte_count = 0;
3962 group_dpif_get_buckets(group, &buckets);
3963 LIST_FOR_EACH (bucket, list_node, buckets) {
3964 bucket->stats.packet_count = 0;
3965 bucket->stats.byte_count = 0;
3970 group_dpif_credit_stats(struct group_dpif *group,
3971 struct ofputil_bucket *bucket,
3972 const struct dpif_flow_stats *stats)
3974 ovs_mutex_lock(&group->stats_mutex);
3975 group->packet_count += stats->n_packets;
3976 group->byte_count += stats->n_bytes;
3978 bucket->stats.packet_count += stats->n_packets;
3979 bucket->stats.byte_count += stats->n_bytes;
3980 } else { /* Credit to all buckets */
3981 const struct list *buckets;
3983 group_dpif_get_buckets(group, &buckets);
3984 LIST_FOR_EACH (bucket, list_node, buckets) {
3985 bucket->stats.packet_count += stats->n_packets;
3986 bucket->stats.byte_count += stats->n_bytes;
3989 ovs_mutex_unlock(&group->stats_mutex);
3993 group_construct(struct ofgroup *group_)
3995 struct group_dpif *group = group_dpif_cast(group_);
3996 const struct ofputil_bucket *bucket;
3998 /* Prevent group chaining because our locking structure makes it hard to
3999 * implement deadlock-free. (See xlate_group_resource_check().) */
4000 LIST_FOR_EACH (bucket, list_node, &group->up.buckets) {
4001 const struct ofpact *a;
4003 OFPACT_FOR_EACH (a, bucket->ofpacts, bucket->ofpacts_len) {
4004 if (a->type == OFPACT_GROUP) {
4005 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED;
4010 ovs_mutex_init_adaptive(&group->stats_mutex);
4011 ovs_mutex_lock(&group->stats_mutex);
4012 group_construct_stats(group);
4013 ovs_mutex_unlock(&group->stats_mutex);
4018 group_destruct(struct ofgroup *group_)
4020 struct group_dpif *group = group_dpif_cast(group_);
4021 ovs_mutex_destroy(&group->stats_mutex);
4025 group_modify(struct ofgroup *group_)
4027 struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto);
4029 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
4035 group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs)
4037 struct group_dpif *group = group_dpif_cast(group_);
4038 struct ofputil_bucket *bucket;
4039 const struct list *buckets;
4040 struct bucket_counter *bucket_stats;
4042 ovs_mutex_lock(&group->stats_mutex);
4043 ogs->packet_count = group->packet_count;
4044 ogs->byte_count = group->byte_count;
4046 group_dpif_get_buckets(group, &buckets);
4047 bucket_stats = ogs->bucket_stats;
4048 LIST_FOR_EACH (bucket, list_node, buckets) {
4049 bucket_stats->packet_count = bucket->stats.packet_count;
4050 bucket_stats->byte_count = bucket->stats.byte_count;
4053 ovs_mutex_unlock(&group->stats_mutex);
4058 /* If the group exists, this function increments the groups's reference count.
4060 * Make sure to call group_dpif_unref() after no longer needing to maintain
4061 * a reference to the group. */
4063 group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id,
4064 struct group_dpif **group)
4066 struct ofgroup *ofgroup;
4069 found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup);
4070 *group = found ? group_dpif_cast(ofgroup) : NULL;
4076 group_dpif_get_buckets(const struct group_dpif *group,
4077 const struct list **buckets)
4079 *buckets = &group->up.buckets;
4082 enum ofp11_group_type
4083 group_dpif_get_type(const struct group_dpif *group)
4085 return group->up.type;
4088 /* Sends 'packet' out 'ofport'.
4089 * May modify 'packet'.
4090 * Returns 0 if successful, otherwise a positive errno value. */
4092 ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet)
4094 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
4097 error = xlate_send_packet(ofport, packet);
4099 ovs_mutex_lock(&ofproto->stats_mutex);
4100 ofproto->stats.tx_packets++;
4101 ofproto->stats.tx_bytes += ofpbuf_size(packet);
4102 ovs_mutex_unlock(&ofproto->stats_mutex);
4106 /* Return the version string of the datapath that backs up
4110 get_datapath_version(const struct ofproto *ofproto_)
4112 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4114 return ofproto->backer->dp_version_string;
4118 set_frag_handling(struct ofproto *ofproto_,
4119 enum ofp_config_flags frag_handling)
4121 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4122 if (frag_handling != OFPC_FRAG_REASM) {
4123 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4131 packet_out(struct ofproto *ofproto_, struct ofpbuf *packet,
4132 const struct flow *flow,
4133 const struct ofpact *ofpacts, size_t ofpacts_len)
4135 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4137 ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts,
4138 ofpacts_len, packet);
4145 set_netflow(struct ofproto *ofproto_,
4146 const struct netflow_options *netflow_options)
4148 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4150 if (netflow_options) {
4151 if (!ofproto->netflow) {
4152 ofproto->netflow = netflow_create();
4153 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4155 return netflow_set_options(ofproto->netflow, netflow_options);
4156 } else if (ofproto->netflow) {
4157 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4158 netflow_unref(ofproto->netflow);
4159 ofproto->netflow = NULL;
4166 get_netflow_ids(const struct ofproto *ofproto_,
4167 uint8_t *engine_type, uint8_t *engine_id)
4169 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4171 dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id);
4174 static struct ofproto_dpif *
4175 ofproto_dpif_lookup(const char *name)
4177 struct ofproto_dpif *ofproto;
4179 HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
4180 hash_string(name, 0), &all_ofproto_dpifs) {
4181 if (!strcmp(ofproto->up.name, name)) {
4189 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
4190 const char *argv[], void *aux OVS_UNUSED)
4192 struct ofproto_dpif *ofproto;
4195 ofproto = ofproto_dpif_lookup(argv[1]);
4197 unixctl_command_reply_error(conn, "no such bridge");
4200 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4201 mac_learning_flush(ofproto->ml);
4202 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4204 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4205 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4206 mac_learning_flush(ofproto->ml);
4207 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4211 unixctl_command_reply(conn, "table successfully flushed");
4215 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
4216 const char *argv[], void *aux OVS_UNUSED)
4218 struct ofproto_dpif *ofproto;
4221 ofproto = ofproto_dpif_lookup(argv[1]);
4223 unixctl_command_reply_error(conn, "no such bridge");
4227 if (!mcast_snooping_enabled(ofproto->ms)) {
4228 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4231 mcast_snooping_mdb_flush(ofproto->ms);
4233 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4234 if (!mcast_snooping_enabled(ofproto->ms)) {
4237 mcast_snooping_mdb_flush(ofproto->ms);
4241 unixctl_command_reply(conn, "table successfully flushed");
4244 static struct ofport_dpif *
4245 ofbundle_get_a_port(const struct ofbundle *bundle)
4247 return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif,
4252 ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4253 const char *argv[], void *aux OVS_UNUSED)
4255 struct ds ds = DS_EMPTY_INITIALIZER;
4256 const struct ofproto_dpif *ofproto;
4257 const struct mac_entry *e;
4259 ofproto = ofproto_dpif_lookup(argv[1]);
4261 unixctl_command_reply_error(conn, "no such bridge");
4265 ds_put_cstr(&ds, " port VLAN MAC Age\n");
4266 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
4267 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
4268 struct ofbundle *bundle = e->port.p;
4269 char name[OFP_MAX_PORT_NAME_LEN];
4271 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4273 ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n",
4274 name, e->vlan, ETH_ADDR_ARGS(e->mac),
4275 mac_entry_age(ofproto->ml, e));
4277 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4278 unixctl_command_reply(conn, ds_cstr(&ds));
4283 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
4284 int argc OVS_UNUSED,
4286 void *aux OVS_UNUSED)
4288 struct ds ds = DS_EMPTY_INITIALIZER;
4289 const struct ofproto_dpif *ofproto;
4290 const struct ofbundle *bundle;
4291 const struct mcast_group *grp;
4292 struct mcast_group_bundle *b;
4293 struct mcast_mrouter_bundle *mrouter;
4295 ofproto = ofproto_dpif_lookup(argv[1]);
4297 unixctl_command_reply_error(conn, "no such bridge");
4301 if (!mcast_snooping_enabled(ofproto->ms)) {
4302 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4306 ds_put_cstr(&ds, " port VLAN GROUP Age\n");
4307 ovs_rwlock_rdlock(&ofproto->ms->rwlock);
4308 LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
4309 LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
4310 char name[OFP_MAX_PORT_NAME_LEN];
4313 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4315 ds_put_format(&ds, "%5s %4d "IP_FMT" %3d\n",
4316 name, grp->vlan, IP_ARGS(grp->ip4),
4317 mcast_bundle_age(ofproto->ms, b));
4321 /* ports connected to multicast routers */
4322 LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
4323 char name[OFP_MAX_PORT_NAME_LEN];
4325 bundle = mrouter->port;
4326 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4328 ds_put_format(&ds, "%5s %4d querier %3d\n",
4329 name, mrouter->vlan,
4330 mcast_mrouter_age(ofproto->ms, mrouter));
4332 ovs_rwlock_unlock(&ofproto->ms->rwlock);
4333 unixctl_command_reply(conn, ds_cstr(&ds));
4338 struct xlate_out xout;
4339 struct xlate_in xin;
4340 const struct flow *key;
4342 struct flow_wildcards wc;
4347 trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule)
4349 const struct rule_actions *actions;
4352 ds_put_char_multiple(result, '\t', level);
4354 ds_put_cstr(result, "No match\n");
4358 ovs_mutex_lock(&rule->up.mutex);
4359 cookie = rule->up.flow_cookie;
4360 ovs_mutex_unlock(&rule->up.mutex);
4362 ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ",
4363 rule ? rule->up.table_id : 0, ntohll(cookie));
4364 cls_rule_format(&rule->up.cr, result);
4365 ds_put_char(result, '\n');
4367 actions = rule_dpif_get_actions(rule);
4369 ds_put_char_multiple(result, '\t', level);
4370 ds_put_cstr(result, "OpenFlow actions=");
4371 ofpacts_format(actions->ofpacts, actions->ofpacts_len, result);
4372 ds_put_char(result, '\n');
4376 trace_format_flow(struct ds *result, int level, const char *title,
4377 struct trace_ctx *trace)
4379 ds_put_char_multiple(result, '\t', level);
4380 ds_put_format(result, "%s: ", title);
4381 /* Do not report unchanged flows for resubmits. */
4382 if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow))
4383 || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) {
4384 ds_put_cstr(result, "unchanged");
4386 flow_format(result, &trace->xin.flow);
4387 trace->flow = trace->xin.flow;
4389 ds_put_char(result, '\n');
4393 trace_format_regs(struct ds *result, int level, const char *title,
4394 struct trace_ctx *trace)
4398 ds_put_char_multiple(result, '\t', level);
4399 ds_put_format(result, "%s:", title);
4400 for (i = 0; i < FLOW_N_REGS; i++) {
4401 ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
4403 ds_put_char(result, '\n');
4407 trace_format_odp(struct ds *result, int level, const char *title,
4408 struct trace_ctx *trace)
4410 struct ofpbuf *odp_actions = trace->xout.odp_actions;
4412 ds_put_char_multiple(result, '\t', level);
4413 ds_put_format(result, "%s: ", title);
4414 format_odp_actions(result, ofpbuf_data(odp_actions),
4415 ofpbuf_size(odp_actions));
4416 ds_put_char(result, '\n');
4420 trace_format_megaflow(struct ds *result, int level, const char *title,
4421 struct trace_ctx *trace)
4425 ds_put_char_multiple(result, '\t', level);
4426 ds_put_format(result, "%s: ", title);
4427 flow_wildcards_or(&trace->wc, &trace->xout.wc, &trace->wc);
4428 match_init(&match, trace->key, &trace->wc);
4429 match_format(&match, result, OFP_DEFAULT_PRIORITY);
4430 ds_put_char(result, '\n');
4433 static void trace_report(struct xlate_in *xin, const char *s, int recurse);
4436 trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse)
4438 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4439 struct ds *result = trace->result;
4442 if (rule == xin->ofproto->miss_rule) {
4443 trace_report(xin, "No match, flow generates \"packet in\"s.",
4445 } else if (rule == xin->ofproto->no_packet_in_rule) {
4446 trace_report(xin, "No match, packets dropped because "
4447 "OFPPC_NO_PACKET_IN is set on in_port.", recurse);
4448 } else if (rule == xin->ofproto->drop_frags_rule) {
4449 trace_report(xin, "Packets dropped because they are IP "
4450 "fragments and the fragment handling mode is "
4451 "\"drop\".", recurse);
4455 ds_put_char(result, '\n');
4457 trace_format_flow(result, recurse, "Resubmitted flow", trace);
4458 trace_format_regs(result, recurse, "Resubmitted regs", trace);
4459 trace_format_odp(result, recurse, "Resubmitted odp", trace);
4460 trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace);
4462 trace_format_rule(result, recurse, rule);
4466 trace_report(struct xlate_in *xin, const char *s, int recurse)
4468 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4469 struct ds *result = trace->result;
4471 ds_put_char_multiple(result, '\t', recurse);
4472 ds_put_cstr(result, s);
4473 ds_put_char(result, '\n');
4476 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4477 * forms are supported:
4479 * - [dpname] odp_flow [-generate | packet]
4480 * - bridge br_flow [-generate | packet]
4482 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4483 * returns a nonnull malloced error message. */
4484 static char * WARN_UNUSED_RESULT
4485 parse_flow_and_packet(int argc, const char *argv[],
4486 struct ofproto_dpif **ofprotop, struct flow *flow,
4487 struct ofpbuf **packetp)
4489 const struct dpif_backer *backer = NULL;
4490 const char *error = NULL;
4492 struct simap port_names = SIMAP_INITIALIZER(&port_names);
4493 struct ofpbuf *packet;
4494 struct ofpbuf odp_key;
4495 struct ofpbuf odp_mask;
4497 ofpbuf_init(&odp_key, 0);
4498 ofpbuf_init(&odp_mask, 0);
4500 /* Handle "-generate" or a hex string as the last argument. */
4501 if (!strcmp(argv[argc - 1], "-generate")) {
4502 packet = ofpbuf_new(0);
4505 error = eth_from_hex(argv[argc - 1], &packet);
4508 } else if (argc == 4) {
4509 /* The 3-argument form must end in "-generate' or a hex string. */
4515 /* odp_flow can have its in_port specified as a name instead of port no.
4516 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4517 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4518 * we need to create a simap of name to port no. */
4520 const char *dp_type;
4521 if (!strncmp(argv[1], "ovs-", 4)) {
4522 dp_type = argv[1] + 4;
4526 backer = shash_find_data(&all_dpif_backers, dp_type);
4527 } else if (argc == 2) {
4528 struct shash_node *node;
4529 if (shash_count(&all_dpif_backers) == 1) {
4530 node = shash_first(&all_dpif_backers);
4531 backer = node->data;
4534 error = "Syntax error";
4537 if (backer && backer->dpif) {
4538 struct dpif_port dpif_port;
4539 struct dpif_port_dump port_dump;
4540 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) {
4541 simap_put(&port_names, dpif_port.name,
4542 odp_to_u32(dpif_port.port_no));
4546 /* Parse the flow and determine whether a datapath or
4547 * bridge is specified. If function odp_flow_key_from_string()
4548 * returns 0, the flow is a odp_flow. If function
4549 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4550 if (!odp_flow_from_string(argv[argc - 1], &port_names,
4551 &odp_key, &odp_mask)) {
4553 error = "Cannot find the datapath";
4557 if (odp_flow_key_to_flow(ofpbuf_data(&odp_key), ofpbuf_size(&odp_key),
4558 flow) == ODP_FIT_ERROR) {
4559 error = "Failed to parse flow key";
4563 *ofprotop = xlate_lookup_ofproto(backer, flow,
4564 &flow->in_port.ofp_port);
4565 if (*ofprotop == NULL) {
4566 error = "Invalid datapath flow";
4570 vsp_adjust_flow(*ofprotop, flow, NULL);
4573 char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
4576 m_err = xasprintf("Bad flow syntax: %s", err);
4581 error = "Must specify bridge name";
4585 *ofprotop = ofproto_dpif_lookup(argv[1]);
4587 error = "Unknown bridge name";
4593 /* Generate a packet, if requested. */
4595 if (!ofpbuf_size(packet)) {
4596 flow_compose(packet, flow);
4598 struct pkt_metadata md = pkt_metadata_from_flow(flow);
4600 /* Use the metadata from the flow and the packet argument
4601 * to reconstruct the flow. */
4602 flow_extract(packet, &md, flow);
4607 if (error && !m_err) {
4608 m_err = xstrdup(error);
4611 ofpbuf_delete(packet);
4615 ofpbuf_uninit(&odp_key);
4616 ofpbuf_uninit(&odp_mask);
4617 simap_destroy(&port_names);
4622 ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
4623 void *aux OVS_UNUSED)
4625 struct ofproto_dpif *ofproto;
4626 struct ofpbuf *packet;
4630 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4635 ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
4636 unixctl_command_reply(conn, ds_cstr(&result));
4637 ds_destroy(&result);
4638 ofpbuf_delete(packet);
4640 unixctl_command_reply_error(conn, error);
4646 ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
4647 const char *argv[], void *aux OVS_UNUSED)
4649 enum ofputil_protocol usable_protocols;
4650 struct ofproto_dpif *ofproto;
4651 bool enforce_consistency;
4652 struct ofpbuf ofpacts;
4653 struct ofpbuf *packet;
4658 /* Three kinds of error return values! */
4664 ofpbuf_init(&ofpacts, 0);
4666 /* Parse actions. */
4667 error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
4669 unixctl_command_reply_error(conn, error);
4674 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4675 * consistency between the flow and the actions. With -consistent, we
4676 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4677 if (!strcmp(argv[1], "-consistent")) {
4678 enforce_consistency = true;
4682 enforce_consistency = false;
4685 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4687 unixctl_command_reply_error(conn, error);
4692 /* Do the same checks as handle_packet_out() in ofproto.c.
4694 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4695 * strictly correct because these actions aren't in any table, but it's OK
4696 * because it 'table_id' is used only to check goto_table instructions, but
4697 * packet-outs take a list of actions and therefore it can't include
4700 * We skip the "meter" check here because meter is an instruction, not an
4701 * action, and thus cannot appear in ofpacts. */
4702 in_port = ofp_to_u16(flow.in_port.ofp_port);
4703 if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
4704 unixctl_command_reply_error(conn, "invalid in_port");
4707 if (enforce_consistency) {
4708 retval = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
4709 &flow, u16_to_ofp(ofproto->up.max_ports),
4710 0, 0, usable_protocols);
4712 retval = ofpacts_check(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &flow,
4713 u16_to_ofp(ofproto->up.max_ports), 0, 0,
4719 ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
4720 unixctl_command_reply_error(conn, ds_cstr(&result));
4724 ofproto_trace(ofproto, &flow, packet,
4725 ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &result);
4726 unixctl_command_reply(conn, ds_cstr(&result));
4729 ds_destroy(&result);
4730 ofpbuf_delete(packet);
4731 ofpbuf_uninit(&ofpacts);
4734 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4735 * description of the results to 'ds'.
4737 * The trace follows a packet with the specified 'flow' through the flow
4738 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4739 * side effects (if it is nonnull then its flow must be 'flow').
4741 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4742 * trace, otherwise the actions are determined by a flow table lookup. */
4744 ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
4745 const struct ofpbuf *packet,
4746 const struct ofpact ofpacts[], size_t ofpacts_len,
4749 struct trace_ctx trace;
4751 ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
4752 ds_put_cstr(ds, "Flow: ");
4753 flow_format(ds, flow);
4754 ds_put_char(ds, '\n');
4756 flow_wildcards_init_catchall(&trace.wc);
4759 trace.key = flow; /* Original flow key, used for megaflow. */
4760 trace.flow = *flow; /* May be modified by actions. */
4761 xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL,
4762 ntohs(flow->tcp_flags), packet);
4763 trace.xin.ofpacts = ofpacts;
4764 trace.xin.ofpacts_len = ofpacts_len;
4765 trace.xin.resubmit_hook = trace_resubmit;
4766 trace.xin.report_hook = trace_report;
4768 xlate_actions(&trace.xin, &trace.xout);
4770 ds_put_char(ds, '\n');
4771 trace_format_flow(ds, 0, "Final flow", &trace);
4772 trace_format_megaflow(ds, 0, "Megaflow", &trace);
4774 ds_put_cstr(ds, "Datapath actions: ");
4775 format_odp_actions(ds, ofpbuf_data(trace.xout.odp_actions),
4776 ofpbuf_size(trace.xout.odp_actions));
4778 if (trace.xout.slow) {
4779 enum slow_path_reason slow;
4781 ds_put_cstr(ds, "\nThis flow is handled by the userspace "
4782 "slow path because it:");
4784 slow = trace.xout.slow;
4786 enum slow_path_reason bit = rightmost_1bit(slow);
4788 ds_put_format(ds, "\n\t- %s.",
4789 slow_path_reason_to_explanation(bit));
4795 xlate_out_uninit(&trace.xout);
4798 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4799 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4800 * to destroy 'ofproto_shash' and free the returned value. */
4801 static const struct shash_node **
4802 get_ofprotos(struct shash *ofproto_shash)
4804 const struct ofproto_dpif *ofproto;
4806 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4807 char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name);
4808 shash_add_nocopy(ofproto_shash, name, ofproto);
4811 return shash_sort(ofproto_shash);
4815 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED,
4816 const char *argv[] OVS_UNUSED,
4817 void *aux OVS_UNUSED)
4819 struct ds ds = DS_EMPTY_INITIALIZER;
4820 struct shash ofproto_shash;
4821 const struct shash_node **sorted_ofprotos;
4824 shash_init(&ofproto_shash);
4825 sorted_ofprotos = get_ofprotos(&ofproto_shash);
4826 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4827 const struct shash_node *node = sorted_ofprotos[i];
4828 ds_put_format(&ds, "%s\n", node->name);
4831 shash_destroy(&ofproto_shash);
4832 free(sorted_ofprotos);
4834 unixctl_command_reply(conn, ds_cstr(&ds));
4839 dpif_show_backer(const struct dpif_backer *backer, struct ds *ds)
4841 const struct shash_node **ofprotos;
4842 struct dpif_dp_stats dp_stats;
4843 struct shash ofproto_shash;
4846 dpif_get_dp_stats(backer->dpif, &dp_stats);
4848 ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
4849 dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed);
4851 shash_init(&ofproto_shash);
4852 ofprotos = get_ofprotos(&ofproto_shash);
4853 for (i = 0; i < shash_count(&ofproto_shash); i++) {
4854 struct ofproto_dpif *ofproto = ofprotos[i]->data;
4855 const struct shash_node **ports;
4858 if (ofproto->backer != backer) {
4862 ds_put_format(ds, "\t%s:\n", ofproto->up.name);
4864 ports = shash_sort(&ofproto->up.port_by_name);
4865 for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) {
4866 const struct shash_node *node = ports[j];
4867 struct ofport *ofport = node->data;
4869 odp_port_t odp_port;
4871 ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev),
4874 odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
4875 if (odp_port != ODPP_NONE) {
4876 ds_put_format(ds, "%"PRIu32":", odp_port);
4878 ds_put_cstr(ds, "none:");
4881 ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev));
4884 if (!netdev_get_config(ofport->netdev, &config)) {
4885 const struct smap_node **nodes;
4888 nodes = smap_sort(&config);
4889 for (i = 0; i < smap_count(&config); i++) {
4890 const struct smap_node *node = nodes[i];
4891 ds_put_format(ds, "%c %s=%s", i ? ',' : ':',
4892 node->key, node->value);
4896 smap_destroy(&config);
4898 ds_put_char(ds, ')');
4899 ds_put_char(ds, '\n');
4903 shash_destroy(&ofproto_shash);
4908 ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4909 const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
4911 struct ds ds = DS_EMPTY_INITIALIZER;
4912 const struct shash_node **backers;
4915 backers = shash_sort(&all_dpif_backers);
4916 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
4917 dpif_show_backer(backers[i]->data, &ds);
4921 unixctl_command_reply(conn, ds_cstr(&ds));
4926 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
4927 int argc OVS_UNUSED, const char *argv[],
4928 void *aux OVS_UNUSED)
4930 const struct ofproto_dpif *ofproto;
4932 struct ds ds = DS_EMPTY_INITIALIZER;
4933 bool verbosity = false;
4935 struct dpif_port dpif_port;
4936 struct dpif_port_dump port_dump;
4937 struct hmap portno_names;
4939 struct dpif_flow_dump *flow_dump;
4940 struct dpif_flow_dump_thread *flow_dump_thread;
4944 ofproto = ofproto_dpif_lookup(argv[argc - 1]);
4946 unixctl_command_reply_error(conn, "no such bridge");
4950 if (argc > 2 && !strcmp(argv[1], "-m")) {
4954 hmap_init(&portno_names);
4955 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) {
4956 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
4960 flow_dump = dpif_flow_dump_create(ofproto->backer->dpif);
4961 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
4962 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
4965 if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
4966 || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
4970 odp_flow_format(f.key, f.key_len, f.mask, f.mask_len,
4971 &portno_names, &ds, verbosity);
4972 ds_put_cstr(&ds, ", ");
4973 dpif_flow_stats_format(&f.stats, &ds);
4974 ds_put_cstr(&ds, ", actions:");
4975 format_odp_actions(&ds, f.actions, f.actions_len);
4976 ds_put_char(&ds, '\n');
4978 dpif_flow_dump_thread_destroy(flow_dump_thread);
4979 error = dpif_flow_dump_destroy(flow_dump);
4983 ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno));
4984 unixctl_command_reply_error(conn, ds_cstr(&ds));
4986 unixctl_command_reply(conn, ds_cstr(&ds));
4988 odp_portno_names_destroy(&portno_names);
4989 hmap_destroy(&portno_names);
4994 ofproto_revalidate_all_backers(void)
4996 const struct shash_node **backers;
4999 backers = shash_sort(&all_dpif_backers);
5000 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5001 struct dpif_backer *backer = backers[i]->data;
5002 backer->need_revalidate = REV_RECONFIGURE;
5008 disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
5009 const char *argv[], void *aux OVS_UNUSED)
5011 if (!strcasecmp(argv[1], "off")) {
5012 ofproto_use_tnl_push_pop = false;
5013 unixctl_command_reply(conn, "Tunnel push-pop off");
5014 ofproto_revalidate_all_backers();
5015 } else if (!strcasecmp(argv[1], "on")) {
5016 ofproto_use_tnl_push_pop = true;
5017 unixctl_command_reply(conn, "Tunnel push-pop on");
5018 ofproto_revalidate_all_backers();
5023 ofproto_unixctl_init(void)
5025 static bool registered;
5031 unixctl_command_register(
5033 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5034 1, 3, ofproto_unixctl_trace, NULL);
5035 unixctl_command_register(
5036 "ofproto/trace-packet-out",
5037 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5038 2, 6, ofproto_unixctl_trace_actions, NULL);
5039 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5040 ofproto_unixctl_fdb_flush, NULL);
5041 unixctl_command_register("fdb/show", "bridge", 1, 1,
5042 ofproto_unixctl_fdb_show, NULL);
5043 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5044 ofproto_unixctl_mcast_snooping_flush, NULL);
5045 unixctl_command_register("mdb/show", "bridge", 1, 1,
5046 ofproto_unixctl_mcast_snooping_show, NULL);
5047 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5048 ofproto_unixctl_dpif_dump_dps, NULL);
5049 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
5051 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5052 ofproto_unixctl_dpif_dump_flows, NULL);
5054 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5055 disable_tnl_push_pop, NULL);
5058 /* Returns true if 'table' is the table used for internal rules,
5059 * false otherwise. */
5061 table_is_internal(uint8_t table_id)
5063 return table_id == TBL_INTERNAL;
5066 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5068 * This is deprecated. It is only for compatibility with broken device drivers
5069 * in old versions of Linux that do not properly support VLANs when VLAN
5070 * devices are not used. When broken device drivers are no longer in
5071 * widespread use, we will delete these interfaces. */
5074 set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid)
5076 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
5077 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
5079 if (realdev_ofp_port == ofport->realdev_ofp_port
5080 && vid == ofport->vlandev_vid) {
5084 ofproto->backer->need_revalidate = REV_RECONFIGURE;
5086 if (ofport->realdev_ofp_port) {
5089 if (realdev_ofp_port && ofport->bundle) {
5090 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5091 * themselves be part of a bundle. */
5092 bundle_set(ofport_->ofproto, ofport->bundle, NULL);
5095 ofport->realdev_ofp_port = realdev_ofp_port;
5096 ofport->vlandev_vid = vid;
5098 if (realdev_ofp_port) {
5099 vsp_add(ofport, realdev_ofp_port, vid);
5106 hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid)
5108 return hash_2words(ofp_to_u16(realdev_ofp_port), vid);
5112 ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto)
5113 OVS_EXCLUDED(ofproto->vsp_mutex)
5115 /* hmap_is_empty is thread safe. */
5116 return !hmap_is_empty(&ofproto->realdev_vid_map);
5121 vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto,
5122 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5123 OVS_REQUIRES(ofproto->vsp_mutex)
5125 if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
5126 int vid = vlan_tci_to_vid(vlan_tci);
5127 const struct vlan_splinter *vsp;
5129 HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
5130 hash_realdev_vid(realdev_ofp_port, vid),
5131 &ofproto->realdev_vid_map) {
5132 if (vsp->realdev_ofp_port == realdev_ofp_port
5133 && vsp->vid == vid) {
5134 return vsp->vlandev_ofp_port;
5138 return realdev_ofp_port;
5141 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5142 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5143 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5144 * 'vlan_tci' 9, it would return the port number of eth0.9.
5146 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5147 * function just returns its 'realdev_ofp_port' argument. */
5149 vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
5150 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5151 OVS_EXCLUDED(ofproto->vsp_mutex)
5155 /* hmap_is_empty is thread safe, see if we can return immediately. */
5156 if (hmap_is_empty(&ofproto->realdev_vid_map)) {
5157 return realdev_ofp_port;
5159 ovs_mutex_lock(&ofproto->vsp_mutex);
5160 ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci);
5161 ovs_mutex_unlock(&ofproto->vsp_mutex);
5165 static struct vlan_splinter *
5166 vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port)
5168 struct vlan_splinter *vsp;
5170 HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node,
5171 hash_ofp_port(vlandev_ofp_port),
5172 &ofproto->vlandev_map) {
5173 if (vsp->vlandev_ofp_port == vlandev_ofp_port) {
5181 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5182 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5183 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5184 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5185 * eth0 and store 9 in '*vid'.
5187 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5188 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5191 vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
5192 ofp_port_t vlandev_ofp_port, int *vid)
5193 OVS_REQUIRES(ofproto->vsp_mutex)
5195 if (!hmap_is_empty(&ofproto->vlandev_map)) {
5196 const struct vlan_splinter *vsp;
5198 vsp = vlandev_find(ofproto, vlandev_ofp_port);
5203 return vsp->realdev_ofp_port;
5209 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5210 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5211 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5212 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5213 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5214 * case unless VLAN splinters are enabled), returns false without making any
5217 vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow,
5218 struct ofpbuf *packet)
5219 OVS_EXCLUDED(ofproto->vsp_mutex)
5224 /* hmap_is_empty is thread safe. */
5225 if (hmap_is_empty(&ofproto->vlandev_map)) {
5229 ovs_mutex_lock(&ofproto->vsp_mutex);
5230 realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid);
5231 ovs_mutex_unlock(&ofproto->vsp_mutex);
5236 /* Cause the flow to be processed as if it came in on the real device with
5237 * the VLAN device's VLAN ID. */
5238 flow->in_port.ofp_port = realdev;
5239 flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
5242 /* Make the packet resemble the flow, so that it gets sent to an
5243 * OpenFlow controller properly, so that it looks correct for sFlow,
5244 * and so that flow_extract() will get the correct vlan_tci if it is
5245 * called on 'packet'. */
5246 eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci);
5253 vsp_remove(struct ofport_dpif *port)
5255 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5256 struct vlan_splinter *vsp;
5258 ovs_mutex_lock(&ofproto->vsp_mutex);
5259 vsp = vlandev_find(ofproto, port->up.ofp_port);
5261 hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node);
5262 hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node);
5265 port->realdev_ofp_port = 0;
5267 VLOG_ERR("missing vlan device record");
5269 ovs_mutex_unlock(&ofproto->vsp_mutex);
5273 vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid)
5275 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5277 ovs_mutex_lock(&ofproto->vsp_mutex);
5278 if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL)
5279 && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid))
5280 == realdev_ofp_port)) {
5281 struct vlan_splinter *vsp;
5283 vsp = xmalloc(sizeof *vsp);
5284 vsp->realdev_ofp_port = realdev_ofp_port;
5285 vsp->vlandev_ofp_port = port->up.ofp_port;
5288 port->realdev_ofp_port = realdev_ofp_port;
5290 hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node,
5291 hash_ofp_port(port->up.ofp_port));
5292 hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node,
5293 hash_realdev_vid(realdev_ofp_port, vid));
5295 VLOG_ERR("duplicate vlan device record");
5297 ovs_mutex_unlock(&ofproto->vsp_mutex);
5301 ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
5303 const struct ofport_dpif *ofport = get_ofp_port(ofproto, ofp_port);
5304 return ofport ? ofport->odp_port : ODPP_NONE;
5307 struct ofport_dpif *
5308 odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port)
5310 struct ofport_dpif *port;
5312 ovs_rwlock_rdlock(&backer->odp_to_ofport_lock);
5313 HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port),
5314 &backer->odp_to_ofport_map) {
5315 if (port->odp_port == odp_port) {
5316 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5321 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5326 odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port)
5328 struct ofport_dpif *port;
5330 port = odp_port_to_ofport(ofproto->backer, odp_port);
5331 if (port && &ofproto->up == port->up.ofproto) {
5332 return port->up.ofp_port;
5339 ofproto_dpif_alloc_recirc_id(struct ofproto_dpif *ofproto)
5341 struct dpif_backer *backer = ofproto->backer;
5343 return recirc_id_alloc(backer->rid_pool);
5347 ofproto_dpif_free_recirc_id(struct ofproto_dpif *ofproto, uint32_t recirc_id)
5349 struct dpif_backer *backer = ofproto->backer;
5351 recirc_id_free(backer->rid_pool, recirc_id);
5355 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
5356 const struct match *match, int priority,
5357 uint16_t idle_timeout,
5358 const struct ofpbuf *ofpacts,
5359 struct rule **rulep)
5361 struct ofputil_flow_mod fm;
5362 struct rule_dpif *rule;
5366 fm.priority = priority;
5367 fm.new_cookie = htonll(0);
5368 fm.cookie = htonll(0);
5369 fm.cookie_mask = htonll(0);
5370 fm.modify_cookie = false;
5371 fm.table_id = TBL_INTERNAL;
5372 fm.command = OFPFC_ADD;
5373 fm.idle_timeout = idle_timeout;
5374 fm.hard_timeout = 0;
5378 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5379 fm.ofpacts = ofpbuf_data(ofpacts);
5380 fm.ofpacts_len = ofpbuf_size(ofpacts);
5382 error = ofproto_flow_mod(&ofproto->up, &fm);
5384 VLOG_ERR_RL(&rl, "failed to add internal flow (%s)",
5385 ofperr_to_string(error));
5390 rule = rule_dpif_lookup_in_table(ofproto, TBL_INTERNAL, &fm.match.flow,
5391 &fm.match.wc, false);
5401 ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto,
5402 struct match *match, int priority)
5404 struct ofputil_flow_mod fm;
5408 fm.priority = priority;
5409 fm.new_cookie = htonll(0);
5410 fm.cookie = htonll(0);
5411 fm.cookie_mask = htonll(0);
5412 fm.modify_cookie = false;
5413 fm.table_id = TBL_INTERNAL;
5414 fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5415 fm.command = OFPFC_DELETE_STRICT;
5417 error = ofproto_flow_mod(&ofproto->up, &fm);
5419 VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)",
5420 ofperr_to_string(error));
5427 const struct ofproto_class ofproto_dpif_class = {
5441 NULL, /* get_memory_usage. */
5442 type_get_memory_usage,
5460 port_is_lacp_current,
5461 port_get_lacp_stats,
5462 NULL, /* rule_choose_table */
5471 NULL, /* rule_premodify_actions */
5472 rule_modify_actions,
5488 get_stp_port_status,
5493 get_rstp_port_status,
5500 is_mirror_output_bundle,
5501 forward_bpdu_changed,
5502 set_mac_table_config,
5504 set_mcast_snooping_port,
5506 NULL, /* meter_get_features */
5507 NULL, /* meter_set */
5508 NULL, /* meter_get */
5509 NULL, /* meter_del */
5510 group_alloc, /* group_alloc */
5511 group_construct, /* group_construct */
5512 group_destruct, /* group_destruct */
5513 group_dealloc, /* group_dealloc */
5514 group_modify, /* group_modify */
5515 group_get_stats, /* group_get_stats */
5516 get_datapath_version, /* get_datapath_version */