2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "ofproto/ofproto-dpif.h"
20 #include "ofproto/ofproto-provider.h"
27 #include "byte-order.h"
28 #include "connectivity.h"
34 #include "dynamic-string.h"
35 #include "fail-open.h"
36 #include "guarded-list.h"
40 #include "mac-learning.h"
41 #include "mcast-snooping.h"
42 #include "meta-flow.h"
43 #include "multipath.h"
44 #include "netdev-vport.h"
49 #include "odp-execute.h"
52 #include "ofp-actions.h"
53 #include "ofp-parse.h"
54 #include "ofp-print.h"
55 #include "ofproto-dpif-ipfix.h"
56 #include "ofproto-dpif-mirror.h"
57 #include "ofproto-dpif-monitor.h"
58 #include "ofproto-dpif-rid.h"
59 #include "ofproto-dpif-sflow.h"
60 #include "ofproto-dpif-upcall.h"
61 #include "ofproto-dpif-xlate.h"
62 #include "poll-loop.h"
64 #include "ovs-router.h"
70 #include "unaligned.h"
72 #include "vlan-bitmap.h"
73 #include "openvswitch/vlog.h"
75 VLOG_DEFINE_THIS_MODULE(ofproto_dpif);
77 COVERAGE_DEFINE(ofproto_dpif_expired);
78 COVERAGE_DEFINE(packet_in_overflow);
87 * - Do include packets and bytes from datapath flows which have not
88 * recently been processed by a revalidator. */
89 struct ovs_mutex stats_mutex;
90 struct dpif_flow_stats stats OVS_GUARDED;
92 /* In non-NULL, will point to a new rule (for which a reference is held) to
93 * which all the stats updates should be forwarded. This exists only
94 * transitionally when flows are replaced.
96 * Protected by stats_mutex. If both 'rule->stats_mutex' and
97 * 'rule->new_rule->stats_mutex' must be held together, acquire them in that
99 struct rule_dpif *new_rule OVS_GUARDED;
101 /* If non-zero then the recirculation id that has
102 * been allocated for use with this rule.
103 * The recirculation id and associated internal flow should
104 * be freed when the rule is freed */
108 /* RULE_CAST() depends on this. */
109 BUILD_ASSERT_DECL(offsetof(struct rule_dpif, up) == 0);
111 static void rule_get_stats(struct rule *, uint64_t *packets, uint64_t *bytes,
112 long long int *used);
113 static struct rule_dpif *rule_dpif_cast(const struct rule *);
114 static void rule_expire(struct rule_dpif *);
121 * - Do include packets and bytes from datapath flows which have not
122 * recently been processed by a revalidator. */
123 struct ovs_mutex stats_mutex;
124 uint64_t packet_count OVS_GUARDED; /* Number of packets received. */
125 uint64_t byte_count OVS_GUARDED; /* Number of bytes received. */
129 struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
130 struct ofproto_dpif *ofproto; /* Owning ofproto. */
131 void *aux; /* Key supplied by ofproto's client. */
132 char *name; /* Identifier for log messages. */
135 struct ovs_list ports; /* Contains "struct ofport"s. */
136 enum port_vlan_mode vlan_mode; /* VLAN mode */
137 int vlan; /* -1=trunk port, else a 12-bit VLAN ID. */
138 unsigned long *trunks; /* Bitmap of trunked VLANs, if 'vlan' == -1.
139 * NULL if all VLANs are trunked. */
140 struct lacp *lacp; /* LACP if LACP is enabled, otherwise NULL. */
141 struct bond *bond; /* Nonnull iff more than one port. */
142 bool use_priority_tags; /* Use 802.1p tag for frames in VLAN 0? */
145 bool floodable; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
148 static void bundle_remove(struct ofport *);
149 static void bundle_update(struct ofbundle *);
150 static void bundle_destroy(struct ofbundle *);
151 static void bundle_del_port(struct ofport_dpif *);
152 static void bundle_run(struct ofbundle *);
153 static void bundle_wait(struct ofbundle *);
154 static void bundle_flush_macs(struct ofbundle *, bool);
155 static void bundle_move(struct ofbundle *, struct ofbundle *);
157 static void stp_run(struct ofproto_dpif *ofproto);
158 static void stp_wait(struct ofproto_dpif *ofproto);
159 static int set_stp_port(struct ofport *,
160 const struct ofproto_port_stp_settings *);
162 static void rstp_run(struct ofproto_dpif *ofproto);
163 static void set_rstp_port(struct ofport *,
164 const struct ofproto_port_rstp_settings *);
167 struct hmap_node odp_port_node; /* In dpif_backer's "odp_to_ofport_map". */
171 struct ofbundle *bundle; /* Bundle that contains this port, if any. */
172 struct ovs_list bundle_node;/* In struct ofbundle's "ports" list. */
173 struct cfm *cfm; /* Connectivity Fault Management, if any. */
174 struct bfd *bfd; /* BFD, if any. */
175 struct lldp *lldp; /* lldp, if any. */
176 bool may_enable; /* May be enabled in bonds. */
177 bool is_tunnel; /* This port is a tunnel. */
178 bool is_layer3; /* This is a layer 3 port. */
179 long long int carrier_seq; /* Carrier status changes. */
180 struct ofport_dpif *peer; /* Peer if patch port. */
183 struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
184 enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
185 long long int stp_state_entered;
187 /* Rapid Spanning Tree. */
188 struct rstp_port *rstp_port; /* Rapid Spanning Tree Protocol, if any. */
189 enum rstp_state rstp_state; /* Always RSTP_DISABLED if RSTP not in use. */
191 /* Queue to DSCP mapping. */
192 struct ofproto_port_queue *qdscp;
195 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
197 * This is deprecated. It is only for compatibility with broken device
198 * drivers in old versions of Linux that do not properly support VLANs when
199 * VLAN devices are not used. When broken device drivers are no longer in
200 * widespread use, we will delete these interfaces. */
201 ofp_port_t realdev_ofp_port;
205 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
207 * This is deprecated. It is only for compatibility with broken device drivers
208 * in old versions of Linux that do not properly support VLANs when VLAN
209 * devices are not used. When broken device drivers are no longer in
210 * widespread use, we will delete these interfaces. */
211 struct vlan_splinter {
212 struct hmap_node realdev_vid_node;
213 struct hmap_node vlandev_node;
214 ofp_port_t realdev_ofp_port;
215 ofp_port_t vlandev_ofp_port;
219 static void vsp_remove(struct ofport_dpif *);
220 static void vsp_add(struct ofport_dpif *, ofp_port_t realdev_ofp_port, int vid);
222 static odp_port_t ofp_port_to_odp_port(const struct ofproto_dpif *,
225 static ofp_port_t odp_port_to_ofp_port(const struct ofproto_dpif *,
228 static struct ofport_dpif *
229 ofport_dpif_cast(const struct ofport *ofport)
231 return ofport ? CONTAINER_OF(ofport, struct ofport_dpif, up) : NULL;
234 static void port_run(struct ofport_dpif *);
235 static int set_bfd(struct ofport *, const struct smap *);
236 static int set_cfm(struct ofport *, const struct cfm_settings *);
237 static int set_lldp(struct ofport *ofport_, const struct smap *cfg);
238 static void ofport_update_peer(struct ofport_dpif *);
240 /* Reasons that we might need to revalidate every datapath flow, and
241 * corresponding coverage counters.
243 * A value of 0 means that there is no need to revalidate.
245 * It would be nice to have some cleaner way to integrate with coverage
246 * counters, but with only a few reasons I guess this is good enough for
248 enum revalidate_reason {
249 REV_RECONFIGURE = 1, /* Switch configuration changed. */
250 REV_STP, /* Spanning tree protocol port status change. */
251 REV_RSTP, /* RSTP port status change. */
252 REV_BOND, /* Bonding changed. */
253 REV_PORT_TOGGLED, /* Port enabled or disabled by CFM, LACP, ...*/
254 REV_FLOW_TABLE, /* Flow table changed. */
255 REV_MAC_LEARNING, /* Mac learning changed. */
256 REV_MCAST_SNOOPING, /* Multicast snooping changed. */
258 COVERAGE_DEFINE(rev_reconfigure);
259 COVERAGE_DEFINE(rev_stp);
260 COVERAGE_DEFINE(rev_rstp);
261 COVERAGE_DEFINE(rev_bond);
262 COVERAGE_DEFINE(rev_port_toggled);
263 COVERAGE_DEFINE(rev_flow_table);
264 COVERAGE_DEFINE(rev_mac_learning);
265 COVERAGE_DEFINE(rev_mcast_snooping);
267 /* All datapaths of a given type share a single dpif backer instance. */
274 struct ovs_rwlock odp_to_ofport_lock;
275 struct hmap odp_to_ofport_map OVS_GUARDED; /* Contains "struct ofport"s. */
277 struct simap tnl_backers; /* Set of dpif ports backing tunnels. */
279 enum revalidate_reason need_revalidate; /* Revalidate all flows. */
281 bool recv_set_enable; /* Enables or disables receiving packets. */
283 /* Version string of the datapath stored in OVSDB. */
284 char *dp_version_string;
286 /* Datapath feature support. */
287 struct dpif_backer_support support;
288 struct atomic_count tnl_count;
291 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
292 static struct shash all_dpif_backers = SHASH_INITIALIZER(&all_dpif_backers);
294 struct ofproto_dpif {
295 struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
297 struct dpif_backer *backer;
299 ATOMIC(cls_version_t) tables_version; /* For classifier lookups. */
301 uint64_t dump_seq; /* Last read of udpif_dump_seq(). */
303 /* Special OpenFlow rules. */
304 struct rule_dpif *miss_rule; /* Sends flow table misses to controller. */
305 struct rule_dpif *no_packet_in_rule; /* Drops flow table misses. */
306 struct rule_dpif *drop_frags_rule; /* Used in OFPC_FRAG_DROP mode. */
309 struct netflow *netflow;
310 struct dpif_sflow *sflow;
311 struct dpif_ipfix *ipfix;
312 struct hmap bundles; /* Contains "struct ofbundle"s. */
313 struct mac_learning *ml;
314 struct mcast_snooping *ms;
315 bool has_bonded_bundles;
317 struct mbridge *mbridge;
319 struct ovs_mutex stats_mutex;
320 struct netdev_stats stats OVS_GUARDED; /* To account packets generated and
321 * consumed in userspace. */
325 long long int stp_last_tick;
327 /* Rapid Spanning Tree. */
329 long long int rstp_last_tick;
331 /* VLAN splinters. */
332 struct ovs_mutex vsp_mutex;
333 struct hmap realdev_vid_map OVS_GUARDED; /* (realdev,vid) -> vlandev. */
334 struct hmap vlandev_map OVS_GUARDED; /* vlandev -> (realdev,vid). */
337 struct sset ports; /* Set of standard port names. */
338 struct sset ghost_ports; /* Ports with no datapath port. */
339 struct sset port_poll_set; /* Queued names for port_poll() reply. */
340 int port_poll_errno; /* Last errno for port_poll() reply. */
341 uint64_t change_seq; /* Connectivity status changes. */
344 struct guarded_list pins; /* Contains "struct ofputil_packet_in"s. */
345 struct seq *pins_seq; /* For notifying 'pins' reception. */
349 /* All existing ofproto_dpif instances, indexed by ->up.name. */
350 static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
352 static bool ofproto_use_tnl_push_pop = true;
353 static void ofproto_unixctl_init(void);
355 static inline struct ofproto_dpif *
356 ofproto_dpif_cast(const struct ofproto *ofproto)
358 ovs_assert(ofproto->ofproto_class == &ofproto_dpif_class);
359 return CONTAINER_OF(ofproto, struct ofproto_dpif, up);
363 ofproto_dpif_get_enable_ufid(const struct dpif_backer *backer)
365 return backer->support.ufid;
368 struct dpif_backer_support *
369 ofproto_dpif_get_support(const struct ofproto_dpif *ofproto)
371 return &ofproto->backer->support;
374 static void ofproto_trace(struct ofproto_dpif *, struct flow *,
375 const struct dp_packet *packet,
376 const struct ofpact[], size_t ofpacts_len,
379 /* Global variables. */
380 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
382 /* Initial mappings of port to bridge mappings. */
383 static struct shash init_ofp_ports = SHASH_INITIALIZER(&init_ofp_ports);
385 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
388 ofproto_dpif_flow_mod(struct ofproto_dpif *ofproto,
389 const struct ofputil_flow_mod *fm)
391 struct ofproto_flow_mod ofm;
393 /* Multiple threads may do this for the same 'fm' at the same time.
394 * Allocate ofproto_flow_mod with execution context from stack.
396 * Note: This copy could be avoided by making ofproto_flow_mod more
397 * complex, but that may not be desireable, and a learn action is not that
398 * fast to begin with. */
400 ofproto_flow_mod(&ofproto->up, &ofm);
403 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
404 * Takes ownership of 'pin' and pin->packet. */
406 ofproto_dpif_send_packet_in(struct ofproto_dpif *ofproto,
407 struct ofproto_packet_in *pin)
409 if (!guarded_list_push_back(&ofproto->pins, &pin->list_node, 1024)) {
410 COVERAGE_INC(packet_in_overflow);
411 free(CONST_CAST(void *, pin->up.packet));
415 /* Wakes up main thread for packet-in I/O. */
416 seq_change(ofproto->pins_seq);
419 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
420 * packet rather than to send the packet to the controller.
422 * This function returns false to indicate that a packet_in message
423 * for a "table-miss" should be sent to at least one controller.
424 * False otherwise. */
426 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *ofproto)
428 return connmgr_wants_packet_in_on_miss(ofproto->up.connmgr);
431 /* Factory functions. */
434 init(const struct shash *iface_hints)
436 struct shash_node *node;
438 /* Make a local copy, since we don't own 'iface_hints' elements. */
439 SHASH_FOR_EACH(node, iface_hints) {
440 const struct iface_hint *orig_hint = node->data;
441 struct iface_hint *new_hint = xmalloc(sizeof *new_hint);
443 new_hint->br_name = xstrdup(orig_hint->br_name);
444 new_hint->br_type = xstrdup(orig_hint->br_type);
445 new_hint->ofp_port = orig_hint->ofp_port;
447 shash_add(&init_ofp_ports, node->name, new_hint);
450 ofproto_unixctl_init();
455 enumerate_types(struct sset *types)
457 dp_enumerate_types(types);
461 enumerate_names(const char *type, struct sset *names)
463 struct ofproto_dpif *ofproto;
466 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
467 if (strcmp(type, ofproto->up.type)) {
470 sset_add(names, ofproto->up.name);
477 del(const char *type, const char *name)
482 error = dpif_open(name, type, &dpif);
484 error = dpif_delete(dpif);
491 port_open_type(const char *datapath_type, const char *port_type)
493 return dpif_port_open_type(datapath_type, port_type);
496 /* Type functions. */
498 static void process_dpif_port_changes(struct dpif_backer *);
499 static void process_dpif_all_ports_changed(struct dpif_backer *);
500 static void process_dpif_port_change(struct dpif_backer *,
501 const char *devname);
502 static void process_dpif_port_error(struct dpif_backer *, int error);
504 static struct ofproto_dpif *
505 lookup_ofproto_dpif_by_port_name(const char *name)
507 struct ofproto_dpif *ofproto;
509 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
510 if (sset_contains(&ofproto->ports, name)) {
519 ofproto_dpif_backer_enabled(struct dpif_backer* backer)
521 return backer->recv_set_enable;
525 type_run(const char *type)
527 struct dpif_backer *backer;
529 backer = shash_find_data(&all_dpif_backers, type);
531 /* This is not necessarily a problem, since backers are only
532 * created on demand. */
537 if (dpif_run(backer->dpif)) {
538 backer->need_revalidate = REV_RECONFIGURE;
541 udpif_run(backer->udpif);
543 /* If vswitchd started with other_config:flow_restore_wait set as "true",
544 * and the configuration has now changed to "false", enable receiving
545 * packets from the datapath. */
546 if (!backer->recv_set_enable && !ofproto_get_flow_restore_wait()) {
549 backer->recv_set_enable = true;
551 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
553 VLOG_ERR("Failed to enable receiving packets in dpif.");
556 dpif_flow_flush(backer->dpif);
557 backer->need_revalidate = REV_RECONFIGURE;
560 if (backer->recv_set_enable) {
561 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
564 dpif_poll_threads_set(backer->dpif, n_dpdk_rxqs, pmd_cpu_mask);
566 if (backer->need_revalidate) {
567 struct ofproto_dpif *ofproto;
568 struct simap_node *node;
569 struct simap tmp_backers;
571 /* Handle tunnel garbage collection. */
572 simap_init(&tmp_backers);
573 simap_swap(&backer->tnl_backers, &tmp_backers);
575 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
576 struct ofport_dpif *iter;
578 if (backer != ofproto->backer) {
582 HMAP_FOR_EACH (iter, up.hmap_node, &ofproto->up.ports) {
583 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
586 if (!iter->is_tunnel) {
590 dp_port = netdev_vport_get_dpif_port(iter->up.netdev,
591 namebuf, sizeof namebuf);
592 node = simap_find(&tmp_backers, dp_port);
594 simap_put(&backer->tnl_backers, dp_port, node->data);
595 simap_delete(&tmp_backers, node);
596 node = simap_find(&backer->tnl_backers, dp_port);
598 node = simap_find(&backer->tnl_backers, dp_port);
600 odp_port_t odp_port = ODPP_NONE;
602 if (!dpif_port_add(backer->dpif, iter->up.netdev,
604 simap_put(&backer->tnl_backers, dp_port,
605 odp_to_u32(odp_port));
606 node = simap_find(&backer->tnl_backers, dp_port);
611 iter->odp_port = node ? u32_to_odp(node->data) : ODPP_NONE;
612 if (tnl_port_reconfigure(iter, iter->up.netdev,
614 ovs_native_tunneling_is_on(ofproto), dp_port)) {
615 backer->need_revalidate = REV_RECONFIGURE;
620 SIMAP_FOR_EACH (node, &tmp_backers) {
621 dpif_port_del(backer->dpif, u32_to_odp(node->data));
623 simap_destroy(&tmp_backers);
625 switch (backer->need_revalidate) {
626 case REV_RECONFIGURE: COVERAGE_INC(rev_reconfigure); break;
627 case REV_STP: COVERAGE_INC(rev_stp); break;
628 case REV_RSTP: COVERAGE_INC(rev_rstp); break;
629 case REV_BOND: COVERAGE_INC(rev_bond); break;
630 case REV_PORT_TOGGLED: COVERAGE_INC(rev_port_toggled); break;
631 case REV_FLOW_TABLE: COVERAGE_INC(rev_flow_table); break;
632 case REV_MAC_LEARNING: COVERAGE_INC(rev_mac_learning); break;
633 case REV_MCAST_SNOOPING: COVERAGE_INC(rev_mcast_snooping); break;
635 backer->need_revalidate = 0;
637 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
638 struct ofport_dpif *ofport;
639 struct ofbundle *bundle;
641 if (ofproto->backer != backer) {
646 xlate_ofproto_set(ofproto, ofproto->up.name,
647 ofproto->backer->dpif, ofproto->ml,
648 ofproto->stp, ofproto->rstp, ofproto->ms,
649 ofproto->mbridge, ofproto->sflow, ofproto->ipfix,
651 ofproto->up.forward_bpdu,
652 connmgr_has_in_band(ofproto->up.connmgr),
653 &ofproto->backer->support);
655 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
656 xlate_bundle_set(ofproto, bundle, bundle->name,
657 bundle->vlan_mode, bundle->vlan,
658 bundle->trunks, bundle->use_priority_tags,
659 bundle->bond, bundle->lacp,
663 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
664 int stp_port = ofport->stp_port
665 ? stp_port_no(ofport->stp_port)
667 xlate_ofport_set(ofproto, ofport->bundle, ofport,
668 ofport->up.ofp_port, ofport->odp_port,
669 ofport->up.netdev, ofport->cfm, ofport->bfd,
670 ofport->lldp, ofport->peer, stp_port,
671 ofport->rstp_port, ofport->qdscp,
672 ofport->n_qdscp, ofport->up.pp.config,
673 ofport->up.pp.state, ofport->is_tunnel,
679 udpif_revalidate(backer->udpif);
682 process_dpif_port_changes(backer);
687 /* Check for and handle port changes in 'backer''s dpif. */
689 process_dpif_port_changes(struct dpif_backer *backer)
695 error = dpif_port_poll(backer->dpif, &devname);
701 process_dpif_all_ports_changed(backer);
705 process_dpif_port_change(backer, devname);
710 process_dpif_port_error(backer, error);
717 process_dpif_all_ports_changed(struct dpif_backer *backer)
719 struct ofproto_dpif *ofproto;
720 struct dpif_port dpif_port;
721 struct dpif_port_dump dump;
722 struct sset devnames;
725 sset_init(&devnames);
726 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
727 if (ofproto->backer == backer) {
728 struct ofport *ofport;
730 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
731 sset_add(&devnames, netdev_get_name(ofport->netdev));
735 DPIF_PORT_FOR_EACH (&dpif_port, &dump, backer->dpif) {
736 sset_add(&devnames, dpif_port.name);
739 SSET_FOR_EACH (devname, &devnames) {
740 process_dpif_port_change(backer, devname);
742 sset_destroy(&devnames);
746 process_dpif_port_change(struct dpif_backer *backer, const char *devname)
748 struct ofproto_dpif *ofproto;
749 struct dpif_port port;
751 /* Don't report on the datapath's device. */
752 if (!strcmp(devname, dpif_base_name(backer->dpif))) {
756 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node,
757 &all_ofproto_dpifs) {
758 if (simap_contains(&ofproto->backer->tnl_backers, devname)) {
763 ofproto = lookup_ofproto_dpif_by_port_name(devname);
764 if (dpif_port_query_by_name(backer->dpif, devname, &port)) {
765 /* The port was removed. If we know the datapath,
766 * report it through poll_set(). If we don't, it may be
767 * notifying us of a removal we initiated, so ignore it.
768 * If there's a pending ENOBUFS, let it stand, since
769 * everything will be reevaluated. */
770 if (ofproto && ofproto->port_poll_errno != ENOBUFS) {
771 sset_add(&ofproto->port_poll_set, devname);
772 ofproto->port_poll_errno = 0;
774 } else if (!ofproto) {
775 /* The port was added, but we don't know with which
776 * ofproto we should associate it. Delete it. */
777 dpif_port_del(backer->dpif, port.port_no);
779 struct ofport_dpif *ofport;
781 ofport = ofport_dpif_cast(shash_find_data(
782 &ofproto->up.port_by_name, devname));
784 && ofport->odp_port != port.port_no
785 && !odp_port_to_ofport(backer, port.port_no))
787 /* 'ofport''s datapath port number has changed from
788 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
789 * structures to match. */
790 ovs_rwlock_wrlock(&backer->odp_to_ofport_lock);
791 hmap_remove(&backer->odp_to_ofport_map, &ofport->odp_port_node);
792 ofport->odp_port = port.port_no;
793 hmap_insert(&backer->odp_to_ofport_map, &ofport->odp_port_node,
794 hash_odp_port(port.port_no));
795 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
796 backer->need_revalidate = REV_RECONFIGURE;
799 dpif_port_destroy(&port);
802 /* Propagate 'error' to all ofprotos based on 'backer'. */
804 process_dpif_port_error(struct dpif_backer *backer, int error)
806 struct ofproto_dpif *ofproto;
808 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
809 if (ofproto->backer == backer) {
810 sset_clear(&ofproto->port_poll_set);
811 ofproto->port_poll_errno = error;
817 type_wait(const char *type)
819 struct dpif_backer *backer;
821 backer = shash_find_data(&all_dpif_backers, type);
823 /* This is not necessarily a problem, since backers are only
824 * created on demand. */
828 dpif_wait(backer->dpif);
831 /* Basic life-cycle. */
833 static int add_internal_flows(struct ofproto_dpif *);
835 static struct ofproto *
838 struct ofproto_dpif *ofproto = xzalloc(sizeof *ofproto);
843 dealloc(struct ofproto *ofproto_)
845 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
850 close_dpif_backer(struct dpif_backer *backer)
852 ovs_assert(backer->refcount > 0);
854 if (--backer->refcount) {
858 udpif_destroy(backer->udpif);
860 simap_destroy(&backer->tnl_backers);
861 ovs_rwlock_destroy(&backer->odp_to_ofport_lock);
862 hmap_destroy(&backer->odp_to_ofport_map);
863 shash_find_and_delete(&all_dpif_backers, backer->type);
865 free(backer->dp_version_string);
866 dpif_close(backer->dpif);
870 /* Datapath port slated for removal from datapath. */
872 struct ovs_list list_node;
876 static bool check_variable_length_userdata(struct dpif_backer *backer);
877 static void check_support(struct dpif_backer *backer);
880 open_dpif_backer(const char *type, struct dpif_backer **backerp)
882 struct dpif_backer *backer;
883 struct dpif_port_dump port_dump;
884 struct dpif_port port;
885 struct shash_node *node;
886 struct ovs_list garbage_list;
887 struct odp_garbage *garbage;
896 backer = shash_find_data(&all_dpif_backers, type);
903 backer_name = xasprintf("ovs-%s", type);
905 /* Remove any existing datapaths, since we assume we're the only
906 * userspace controlling the datapath. */
908 dp_enumerate_names(type, &names);
909 SSET_FOR_EACH(name, &names) {
910 struct dpif *old_dpif;
912 /* Don't remove our backer if it exists. */
913 if (!strcmp(name, backer_name)) {
917 if (dpif_open(name, type, &old_dpif)) {
918 VLOG_WARN("couldn't open old datapath %s to remove it", name);
920 dpif_delete(old_dpif);
921 dpif_close(old_dpif);
924 sset_destroy(&names);
926 backer = xmalloc(sizeof *backer);
928 error = dpif_create_and_open(backer_name, type, &backer->dpif);
931 VLOG_ERR("failed to open datapath of type %s: %s", type,
932 ovs_strerror(error));
936 backer->udpif = udpif_create(backer, backer->dpif);
938 backer->type = xstrdup(type);
939 backer->refcount = 1;
940 hmap_init(&backer->odp_to_ofport_map);
941 ovs_rwlock_init(&backer->odp_to_ofport_lock);
942 backer->need_revalidate = 0;
943 simap_init(&backer->tnl_backers);
944 backer->recv_set_enable = !ofproto_get_flow_restore_wait();
947 if (backer->recv_set_enable) {
948 dpif_flow_flush(backer->dpif);
951 /* Loop through the ports already on the datapath and remove any
952 * that we don't need anymore. */
953 list_init(&garbage_list);
954 dpif_port_dump_start(&port_dump, backer->dpif);
955 while (dpif_port_dump_next(&port_dump, &port)) {
956 node = shash_find(&init_ofp_ports, port.name);
957 if (!node && strcmp(port.name, dpif_base_name(backer->dpif))) {
958 garbage = xmalloc(sizeof *garbage);
959 garbage->odp_port = port.port_no;
960 list_push_front(&garbage_list, &garbage->list_node);
963 dpif_port_dump_done(&port_dump);
965 LIST_FOR_EACH_POP (garbage, list_node, &garbage_list) {
966 dpif_port_del(backer->dpif, garbage->odp_port);
970 shash_add(&all_dpif_backers, type, backer);
972 check_support(backer);
973 atomic_count_init(&backer->tnl_count, 0);
975 error = dpif_recv_set(backer->dpif, backer->recv_set_enable);
977 VLOG_ERR("failed to listen on datapath of type %s: %s",
978 type, ovs_strerror(error));
979 close_dpif_backer(backer);
983 if (backer->recv_set_enable) {
984 udpif_set_threads(backer->udpif, n_handlers, n_revalidators);
987 /* This check fails if performed before udpif threads have been set,
988 * as the kernel module checks that the 'pid' in userspace action
990 backer->support.variable_length_userdata
991 = check_variable_length_userdata(backer);
992 backer->dp_version_string = dpif_get_dp_version(backer->dpif);
998 ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto)
1000 return ofproto_use_tnl_push_pop && ofproto->backer->support.tnl_push_pop &&
1001 atomic_count_get(&ofproto->backer->tnl_count);
1004 /* Tests whether 'backer''s datapath supports recirculation. Only newer
1005 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
1006 * features on older datapaths that don't support this feature.
1008 * Returns false if 'backer' definitely does not support recirculation, true if
1009 * it seems to support recirculation or if at least the error we get is
1012 check_recirc(struct dpif_backer *backer)
1015 struct odputil_keybuf keybuf;
1018 struct odp_flow_key_parms odp_parms = {
1025 memset(&flow, 0, sizeof flow);
1029 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1030 odp_flow_key_from_flow(&odp_parms, &key);
1031 enable_recirc = dpif_probe_feature(backer->dpif, "recirculation", &key,
1034 if (enable_recirc) {
1035 VLOG_INFO("%s: Datapath supports recirculation",
1036 dpif_name(backer->dpif));
1038 VLOG_INFO("%s: Datapath does not support recirculation",
1039 dpif_name(backer->dpif));
1042 return enable_recirc;
1045 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
1046 * some flow attributes for datapaths that support this feature.
1048 * Returns true if 'dpif' supports UFID for flow operations.
1049 * Returns false if 'dpif' does not support UFID. */
1051 check_ufid(struct dpif_backer *backer)
1054 struct odputil_keybuf keybuf;
1058 struct odp_flow_key_parms odp_parms = {
1062 memset(&flow, 0, sizeof flow);
1063 flow.dl_type = htons(0x1234);
1065 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1066 odp_flow_key_from_flow(&odp_parms, &key);
1067 dpif_flow_hash(backer->dpif, key.data, key.size, &ufid);
1069 enable_ufid = dpif_probe_feature(backer->dpif, "UFID", &key, &ufid);
1072 VLOG_INFO("%s: Datapath supports unique flow ids",
1073 dpif_name(backer->dpif));
1075 VLOG_INFO("%s: Datapath does not support unique flow ids",
1076 dpif_name(backer->dpif));
1081 /* Tests whether 'backer''s datapath supports variable-length
1082 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1083 * to disable some features on older datapaths that don't support this
1086 * Returns false if 'backer' definitely does not support variable-length
1087 * userdata, true if it seems to support them or if at least the error we get
1090 check_variable_length_userdata(struct dpif_backer *backer)
1092 struct eth_header *eth;
1093 struct ofpbuf actions;
1094 struct dpif_execute execute;
1095 struct dp_packet packet;
1099 /* Compose a userspace action that will cause an ERANGE error on older
1100 * datapaths that don't support variable-length userdata.
1102 * We really test for using userdata longer than 8 bytes, but older
1103 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1104 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1105 * test for that instead as a proxy for longer userdata support. */
1106 ofpbuf_init(&actions, 64);
1107 start = nl_msg_start_nested(&actions, OVS_ACTION_ATTR_USERSPACE);
1108 nl_msg_put_u32(&actions, OVS_USERSPACE_ATTR_PID,
1109 dpif_port_get_pid(backer->dpif, ODPP_NONE, 0));
1110 nl_msg_put_unspec_zero(&actions, OVS_USERSPACE_ATTR_USERDATA, 4);
1111 nl_msg_end_nested(&actions, start);
1113 /* Compose a dummy ethernet packet. */
1114 dp_packet_init(&packet, ETH_HEADER_LEN);
1115 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1116 eth->eth_type = htons(0x1234);
1118 /* Execute the actions. On older datapaths this fails with ERANGE, on
1119 * newer datapaths it succeeds. */
1120 execute.actions = actions.data;
1121 execute.actions_len = actions.size;
1122 execute.packet = &packet;
1123 execute.needs_help = false;
1124 execute.probe = true;
1127 error = dpif_execute(backer->dpif, &execute);
1129 dp_packet_uninit(&packet);
1130 ofpbuf_uninit(&actions);
1137 /* Variable-length userdata is not supported. */
1138 VLOG_WARN("%s: datapath does not support variable-length userdata "
1139 "feature (needs Linux 3.10+ or kernel module from OVS "
1140 "1..11+). The NXAST_SAMPLE action will be ignored.",
1141 dpif_name(backer->dpif));
1145 /* Something odd happened. We're not sure whether variable-length
1146 * userdata is supported. Default to "yes". */
1147 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1148 dpif_name(backer->dpif), ovs_strerror(error));
1153 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1155 * Returns the number of elements in a struct flow's mpls_lse field
1156 * if the datapath supports at least that many entries in an
1158 * Otherwise returns the number of MPLS push actions supported by
1161 check_max_mpls_depth(struct dpif_backer *backer)
1166 for (n = 0; n < FLOW_MAX_MPLS_LABELS; n++) {
1167 struct odputil_keybuf keybuf;
1169 struct odp_flow_key_parms odp_parms = {
1173 memset(&flow, 0, sizeof flow);
1174 flow.dl_type = htons(ETH_TYPE_MPLS);
1175 flow_set_mpls_bos(&flow, n, 1);
1177 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
1178 odp_flow_key_from_flow(&odp_parms, &key);
1179 if (!dpif_probe_feature(backer->dpif, "MPLS", &key, NULL)) {
1184 VLOG_INFO("%s: MPLS label stack length probed as %d",
1185 dpif_name(backer->dpif), n);
1189 /* Tests whether 'backer''s datapath supports masked data in
1190 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1191 * datapaths that don't support this feature. */
1193 check_masked_set_action(struct dpif_backer *backer)
1195 struct eth_header *eth;
1196 struct ofpbuf actions;
1197 struct dpif_execute execute;
1198 struct dp_packet packet;
1200 struct ovs_key_ethernet key, mask;
1202 /* Compose a set action that will cause an EINVAL error on older
1203 * datapaths that don't support masked set actions.
1204 * Avoid using a full mask, as it could be translated to a non-masked
1205 * set action instead. */
1206 ofpbuf_init(&actions, 64);
1207 memset(&key, 0x53, sizeof key);
1208 memset(&mask, 0x7f, sizeof mask);
1209 commit_masked_set_action(&actions, OVS_KEY_ATTR_ETHERNET, &key, &mask,
1212 /* Compose a dummy ethernet packet. */
1213 dp_packet_init(&packet, ETH_HEADER_LEN);
1214 eth = dp_packet_put_zeros(&packet, ETH_HEADER_LEN);
1215 eth->eth_type = htons(0x1234);
1217 /* Execute the actions. On older datapaths this fails with EINVAL, on
1218 * newer datapaths it succeeds. */
1219 execute.actions = actions.data;
1220 execute.actions_len = actions.size;
1221 execute.packet = &packet;
1222 execute.needs_help = false;
1223 execute.probe = true;
1226 error = dpif_execute(backer->dpif, &execute);
1228 dp_packet_uninit(&packet);
1229 ofpbuf_uninit(&actions);
1232 /* Masked set action is not supported. */
1233 VLOG_INFO("%s: datapath does not support masked set action feature.",
1234 dpif_name(backer->dpif));
1239 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE) \
1241 check_##NAME(struct dpif_backer *backer) \
1244 struct odputil_keybuf keybuf; \
1245 struct ofpbuf key; \
1247 struct odp_flow_key_parms odp_parms = { \
1254 memset(&flow, 0, sizeof flow); \
1255 flow.FIELD = VALUE; \
1257 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1258 odp_flow_key_from_flow(&odp_parms, &key); \
1259 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL); \
1262 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1264 VLOG_INFO("%s: Datapath does not support "#NAME, \
1265 dpif_name(backer->dpif)); \
1270 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1)
1272 CHECK_FEATURE(ct_state)
1273 CHECK_FEATURE(ct_zone)
1274 CHECK_FEATURE(ct_mark)
1275 CHECK_FEATURE__(ct_label, ct_label, ct_label.u64.lo, 1)
1276 CHECK_FEATURE__(ct_state_nat, ct_state, ct_state, CS_TRACKED|CS_SRC_NAT)
1278 #undef CHECK_FEATURE
1279 #undef CHECK_FEATURE__
1282 check_support(struct dpif_backer *backer)
1284 /* This feature needs to be tested after udpif threads are set. */
1285 backer->support.variable_length_userdata = false;
1287 backer->support.odp.recirc = check_recirc(backer);
1288 backer->support.odp.max_mpls_depth = check_max_mpls_depth(backer);
1289 backer->support.masked_set_action = check_masked_set_action(backer);
1290 backer->support.ufid = check_ufid(backer);
1291 backer->support.tnl_push_pop = dpif_supports_tnl_push_pop(backer->dpif);
1293 backer->support.odp.ct_state = check_ct_state(backer);
1294 backer->support.odp.ct_zone = check_ct_zone(backer);
1295 backer->support.odp.ct_mark = check_ct_mark(backer);
1296 backer->support.odp.ct_label = check_ct_label(backer);
1298 backer->support.odp.ct_state_nat = check_ct_state_nat(backer);
1302 construct(struct ofproto *ofproto_)
1304 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1305 struct shash_node *node, *next;
1308 /* Tunnel module can get used right after the udpif threads are running. */
1309 ofproto_tunnel_init();
1311 error = open_dpif_backer(ofproto->up.type, &ofproto->backer);
1316 atomic_init(&ofproto->tables_version, CLS_MIN_VERSION);
1317 ofproto->netflow = NULL;
1318 ofproto->sflow = NULL;
1319 ofproto->ipfix = NULL;
1320 ofproto->stp = NULL;
1321 ofproto->rstp = NULL;
1322 ofproto->dump_seq = 0;
1323 hmap_init(&ofproto->bundles);
1324 ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
1326 ofproto->mbridge = mbridge_create();
1327 ofproto->has_bonded_bundles = false;
1328 ofproto->lacp_enabled = false;
1329 ovs_mutex_init_adaptive(&ofproto->stats_mutex);
1330 ovs_mutex_init(&ofproto->vsp_mutex);
1332 guarded_list_init(&ofproto->pins);
1334 hmap_init(&ofproto->vlandev_map);
1335 hmap_init(&ofproto->realdev_vid_map);
1337 sset_init(&ofproto->ports);
1338 sset_init(&ofproto->ghost_ports);
1339 sset_init(&ofproto->port_poll_set);
1340 ofproto->port_poll_errno = 0;
1341 ofproto->change_seq = 0;
1342 ofproto->pins_seq = seq_create();
1343 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1346 SHASH_FOR_EACH_SAFE (node, next, &init_ofp_ports) {
1347 struct iface_hint *iface_hint = node->data;
1349 if (!strcmp(iface_hint->br_name, ofproto->up.name)) {
1350 /* Check if the datapath already has this port. */
1351 if (dpif_port_exists(ofproto->backer->dpif, node->name)) {
1352 sset_add(&ofproto->ports, node->name);
1355 free(iface_hint->br_name);
1356 free(iface_hint->br_type);
1358 shash_delete(&init_ofp_ports, node);
1362 hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
1363 hash_string(ofproto->up.name, 0));
1364 memset(&ofproto->stats, 0, sizeof ofproto->stats);
1366 ofproto_init_tables(ofproto_, N_TABLES);
1367 error = add_internal_flows(ofproto);
1369 ofproto->up.tables[TBL_INTERNAL].flags = OFTABLE_HIDDEN | OFTABLE_READONLY;
1375 add_internal_miss_flow(struct ofproto_dpif *ofproto, int id,
1376 const struct ofpbuf *ofpacts, struct rule_dpif **rulep)
1382 match_init_catchall(&match);
1383 match_set_reg(&match, 0, id);
1385 error = ofproto_dpif_add_internal_flow(ofproto, &match, 0, 0, ofpacts,
1387 *rulep = error ? NULL : rule_dpif_cast(rule);
1393 add_internal_flows(struct ofproto_dpif *ofproto)
1395 struct ofpact_controller *controller;
1396 uint64_t ofpacts_stub[128 / 8];
1397 struct ofpbuf ofpacts;
1398 struct rule *unused_rulep OVS_UNUSED;
1403 ofpbuf_use_stack(&ofpacts, ofpacts_stub, sizeof ofpacts_stub);
1406 controller = ofpact_put_CONTROLLER(&ofpacts);
1407 controller->max_len = UINT16_MAX;
1408 controller->controller_id = 0;
1409 controller->reason = OFPR_NO_MATCH;
1410 ofpact_pad(&ofpacts);
1412 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1413 &ofproto->miss_rule);
1418 ofpbuf_clear(&ofpacts);
1419 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1420 &ofproto->no_packet_in_rule);
1425 error = add_internal_miss_flow(ofproto, id++, &ofpacts,
1426 &ofproto->drop_frags_rule);
1431 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1432 * zero when reaching this rule.
1434 * (priority=2), recirc_id=0, actions=drop
1436 ofpbuf_clear(&ofpacts);
1437 match_init_catchall(&match);
1438 match_set_recirc_id(&match, 0);
1439 error = ofproto_dpif_add_internal_flow(ofproto, &match, 2, 0, &ofpacts,
1445 destruct(struct ofproto *ofproto_)
1447 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1448 struct ofproto_packet_in *pin;
1449 struct rule_dpif *rule;
1450 struct oftable *table;
1451 struct ovs_list pins;
1453 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1455 xlate_remove_ofproto(ofproto);
1458 /* Ensure that the upcall processing threads have no remaining references
1459 * to the ofproto or anything in it. */
1460 udpif_synchronize(ofproto->backer->udpif);
1462 hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
1464 OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
1465 CLS_FOR_EACH (rule, up.cr, &table->cls) {
1466 ofproto_rule_delete(&ofproto->up, &rule->up);
1469 ofproto_group_delete_all(&ofproto->up);
1471 guarded_list_pop_all(&ofproto->pins, &pins);
1472 LIST_FOR_EACH_POP (pin, list_node, &pins) {
1473 free(CONST_CAST(void *, pin->up.packet));
1476 guarded_list_destroy(&ofproto->pins);
1478 recirc_free_ofproto(ofproto, ofproto->up.name);
1480 mbridge_unref(ofproto->mbridge);
1482 netflow_unref(ofproto->netflow);
1483 dpif_sflow_unref(ofproto->sflow);
1484 dpif_ipfix_unref(ofproto->ipfix);
1485 hmap_destroy(&ofproto->bundles);
1486 mac_learning_unref(ofproto->ml);
1487 mcast_snooping_unref(ofproto->ms);
1489 hmap_destroy(&ofproto->vlandev_map);
1490 hmap_destroy(&ofproto->realdev_vid_map);
1492 sset_destroy(&ofproto->ports);
1493 sset_destroy(&ofproto->ghost_ports);
1494 sset_destroy(&ofproto->port_poll_set);
1496 ovs_mutex_destroy(&ofproto->stats_mutex);
1497 ovs_mutex_destroy(&ofproto->vsp_mutex);
1499 seq_destroy(ofproto->pins_seq);
1501 close_dpif_backer(ofproto->backer);
1505 run(struct ofproto *ofproto_)
1507 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1508 uint64_t new_seq, new_dump_seq;
1510 if (mbridge_need_revalidate(ofproto->mbridge)) {
1511 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1512 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1513 mac_learning_flush(ofproto->ml);
1514 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1515 mcast_snooping_mdb_flush(ofproto->ms);
1518 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1519 * flow restore. Even though nothing is processed during flow restore,
1520 * all queued 'pins' will be handled immediately when flow restore
1522 ofproto->pins_seqno = seq_read(ofproto->pins_seq);
1524 /* Do not perform any periodic activity required by 'ofproto' while
1525 * waiting for flow restore to complete. */
1526 if (!ofproto_get_flow_restore_wait()) {
1527 struct ofproto_packet_in *pin;
1528 struct ovs_list pins;
1530 guarded_list_pop_all(&ofproto->pins, &pins);
1531 LIST_FOR_EACH_POP (pin, list_node, &pins) {
1532 connmgr_send_packet_in(ofproto->up.connmgr, pin);
1533 free(CONST_CAST(void *, pin->up.packet));
1538 if (ofproto->netflow) {
1539 netflow_run(ofproto->netflow);
1541 if (ofproto->sflow) {
1542 dpif_sflow_run(ofproto->sflow);
1544 if (ofproto->ipfix) {
1545 dpif_ipfix_run(ofproto->ipfix);
1548 new_seq = seq_read(connectivity_seq_get());
1549 if (ofproto->change_seq != new_seq) {
1550 struct ofport_dpif *ofport;
1552 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1556 ofproto->change_seq = new_seq;
1558 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1559 struct ofbundle *bundle;
1561 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1568 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
1569 if (mac_learning_run(ofproto->ml)) {
1570 ofproto->backer->need_revalidate = REV_MAC_LEARNING;
1572 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1574 if (mcast_snooping_run(ofproto->ms)) {
1575 ofproto->backer->need_revalidate = REV_MCAST_SNOOPING;
1578 new_dump_seq = seq_read(udpif_dump_seq(ofproto->backer->udpif));
1579 if (ofproto->dump_seq != new_dump_seq) {
1580 struct rule *rule, *next_rule;
1582 /* We know stats are relatively fresh, so now is a good time to do some
1584 ofproto->dump_seq = new_dump_seq;
1586 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1588 ovs_mutex_lock(&ofproto_mutex);
1589 LIST_FOR_EACH_SAFE (rule, next_rule, expirable,
1590 &ofproto->up.expirable) {
1591 rule_expire(rule_dpif_cast(rule));
1593 ovs_mutex_unlock(&ofproto_mutex);
1595 /* All outstanding data in existing flows has been accounted, so it's a
1596 * good time to do bond rebalancing. */
1597 if (ofproto->has_bonded_bundles) {
1598 struct ofbundle *bundle;
1600 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1602 bond_rebalance(bundle->bond);
1611 wait(struct ofproto *ofproto_)
1613 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1615 if (ofproto_get_flow_restore_wait()) {
1619 if (ofproto->sflow) {
1620 dpif_sflow_wait(ofproto->sflow);
1622 if (ofproto->ipfix) {
1623 dpif_ipfix_wait(ofproto->ipfix);
1625 if (ofproto->lacp_enabled || ofproto->has_bonded_bundles) {
1626 struct ofbundle *bundle;
1628 HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
1629 bundle_wait(bundle);
1632 if (ofproto->netflow) {
1633 netflow_wait(ofproto->netflow);
1635 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
1636 mac_learning_wait(ofproto->ml);
1637 ovs_rwlock_unlock(&ofproto->ml->rwlock);
1638 mcast_snooping_wait(ofproto->ms);
1640 if (ofproto->backer->need_revalidate) {
1641 poll_immediate_wake();
1644 seq_wait(udpif_dump_seq(ofproto->backer->udpif), ofproto->dump_seq);
1645 seq_wait(ofproto->pins_seq, ofproto->pins_seqno);
1649 type_get_memory_usage(const char *type, struct simap *usage)
1651 struct dpif_backer *backer;
1653 backer = shash_find_data(&all_dpif_backers, type);
1655 udpif_get_memory_usage(backer->udpif, usage);
1660 flush(struct ofproto *ofproto_)
1662 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1663 struct dpif_backer *backer = ofproto->backer;
1666 udpif_flush(backer->udpif);
1671 query_tables(struct ofproto *ofproto,
1672 struct ofputil_table_features *features,
1673 struct ofputil_table_stats *stats)
1675 strcpy(features->name, "classifier");
1680 for (i = 0; i < ofproto->n_tables; i++) {
1681 unsigned long missed, matched;
1683 atomic_read_relaxed(&ofproto->tables[i].n_matched, &matched);
1684 atomic_read_relaxed(&ofproto->tables[i].n_missed, &missed);
1686 stats[i].matched_count = matched;
1687 stats[i].lookup_count = matched + missed;
1693 set_tables_version(struct ofproto *ofproto_, cls_version_t version)
1695 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1697 atomic_store_relaxed(&ofproto->tables_version, version);
1701 static struct ofport *
1704 struct ofport_dpif *port = xzalloc(sizeof *port);
1709 port_dealloc(struct ofport *port_)
1711 struct ofport_dpif *port = ofport_dpif_cast(port_);
1716 port_construct(struct ofport *port_)
1718 struct ofport_dpif *port = ofport_dpif_cast(port_);
1719 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1720 const struct netdev *netdev = port->up.netdev;
1721 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1722 const char *dp_port_name;
1723 struct dpif_port dpif_port;
1726 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1727 port->bundle = NULL;
1731 port->may_enable = false;
1732 port->stp_port = NULL;
1733 port->stp_state = STP_DISABLED;
1734 port->rstp_port = NULL;
1735 port->rstp_state = RSTP_DISABLED;
1736 port->is_tunnel = false;
1740 port->realdev_ofp_port = 0;
1741 port->vlandev_vid = 0;
1742 port->carrier_seq = netdev_get_carrier_resets(netdev);
1743 port->is_layer3 = netdev_vport_is_layer3(netdev);
1745 if (netdev_vport_is_patch(netdev)) {
1746 /* By bailing out here, we don't submit the port to the sFlow module
1747 * to be considered for counter polling export. This is correct
1748 * because the patch port represents an interface that sFlow considers
1749 * to be "internal" to the switch as a whole, and therefore not a
1750 * candidate for counter polling. */
1751 port->odp_port = ODPP_NONE;
1752 ofport_update_peer(port);
1756 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1757 error = dpif_port_query_by_name(ofproto->backer->dpif, dp_port_name,
1763 port->odp_port = dpif_port.port_no;
1765 if (netdev_get_tunnel_config(netdev)) {
1766 atomic_count_inc(&ofproto->backer->tnl_count);
1767 error = tnl_port_add(port, port->up.netdev, port->odp_port,
1768 ovs_native_tunneling_is_on(ofproto), dp_port_name);
1770 atomic_count_dec(&ofproto->backer->tnl_count);
1771 dpif_port_destroy(&dpif_port);
1775 port->is_tunnel = true;
1776 if (ofproto->ipfix) {
1777 dpif_ipfix_add_tunnel_port(ofproto->ipfix, port_, port->odp_port);
1780 /* Sanity-check that a mapping doesn't already exist. This
1781 * shouldn't happen for non-tunnel ports. */
1782 if (odp_port_to_ofp_port(ofproto, port->odp_port) != OFPP_NONE) {
1783 VLOG_ERR("port %s already has an OpenFlow port number",
1785 dpif_port_destroy(&dpif_port);
1789 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1790 hmap_insert(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node,
1791 hash_odp_port(port->odp_port));
1792 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1794 dpif_port_destroy(&dpif_port);
1796 if (ofproto->sflow) {
1797 dpif_sflow_add_port(ofproto->sflow, port_, port->odp_port);
1804 port_destruct(struct ofport *port_)
1806 struct ofport_dpif *port = ofport_dpif_cast(port_);
1807 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1808 const char *devname = netdev_get_name(port->up.netdev);
1809 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1810 const char *dp_port_name;
1812 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1814 xlate_ofport_remove(port);
1817 dp_port_name = netdev_vport_get_dpif_port(port->up.netdev, namebuf,
1819 if (dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
1820 /* The underlying device is still there, so delete it. This
1821 * happens when the ofproto is being destroyed, since the caller
1822 * assumes that removal of attached ports will happen as part of
1824 if (!port->is_tunnel) {
1825 dpif_port_del(ofproto->backer->dpif, port->odp_port);
1830 port->peer->peer = NULL;
1834 if (port->odp_port != ODPP_NONE && !port->is_tunnel) {
1835 ovs_rwlock_wrlock(&ofproto->backer->odp_to_ofport_lock);
1836 hmap_remove(&ofproto->backer->odp_to_ofport_map, &port->odp_port_node);
1837 ovs_rwlock_unlock(&ofproto->backer->odp_to_ofport_lock);
1840 if (port->is_tunnel) {
1841 atomic_count_dec(&ofproto->backer->tnl_count);
1844 if (port->is_tunnel && ofproto->ipfix) {
1845 dpif_ipfix_del_tunnel_port(ofproto->ipfix, port->odp_port);
1849 sset_find_and_delete(&ofproto->ports, devname);
1850 sset_find_and_delete(&ofproto->ghost_ports, devname);
1851 bundle_remove(port_);
1852 set_cfm(port_, NULL);
1853 set_bfd(port_, NULL);
1854 set_lldp(port_, NULL);
1855 if (port->stp_port) {
1856 stp_port_disable(port->stp_port);
1858 set_rstp_port(port_, NULL);
1859 if (ofproto->sflow) {
1860 dpif_sflow_del_port(ofproto->sflow, port->odp_port);
1867 port_modified(struct ofport *port_)
1869 struct ofport_dpif *port = ofport_dpif_cast(port_);
1870 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
1871 const char *dp_port_name;
1872 struct netdev *netdev = port->up.netdev;
1874 if (port->bundle && port->bundle->bond) {
1875 bond_slave_set_netdev(port->bundle->bond, port, netdev);
1879 cfm_set_netdev(port->cfm, netdev);
1883 bfd_set_netdev(port->bfd, netdev);
1886 ofproto_dpif_monitor_port_update(port, port->bfd, port->cfm,
1887 port->lldp, &port->up.pp.hw_addr);
1889 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
1891 if (port->is_tunnel) {
1892 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1894 if (tnl_port_reconfigure(port, netdev, port->odp_port,
1895 ovs_native_tunneling_is_on(ofproto),
1897 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1901 ofport_update_peer(port);
1905 port_reconfigured(struct ofport *port_, enum ofputil_port_config old_config)
1907 struct ofport_dpif *port = ofport_dpif_cast(port_);
1908 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
1909 enum ofputil_port_config changed = old_config ^ port->up.pp.config;
1911 if (changed & (OFPUTIL_PC_NO_RECV | OFPUTIL_PC_NO_RECV_STP |
1912 OFPUTIL_PC_NO_FWD | OFPUTIL_PC_NO_FLOOD |
1913 OFPUTIL_PC_NO_PACKET_IN)) {
1914 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1916 if (changed & OFPUTIL_PC_NO_FLOOD && port->bundle) {
1917 bundle_update(port->bundle);
1923 set_sflow(struct ofproto *ofproto_,
1924 const struct ofproto_sflow_options *sflow_options)
1926 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1927 struct dpif_sflow *ds = ofproto->sflow;
1929 if (sflow_options) {
1930 uint32_t old_probability = ds ? dpif_sflow_get_probability(ds) : 0;
1932 struct ofport_dpif *ofport;
1934 ds = ofproto->sflow = dpif_sflow_create();
1935 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1936 dpif_sflow_add_port(ds, &ofport->up, ofport->odp_port);
1939 dpif_sflow_set_options(ds, sflow_options);
1940 if (dpif_sflow_get_probability(ds) != old_probability) {
1941 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1945 dpif_sflow_unref(ds);
1946 ofproto->backer->need_revalidate = REV_RECONFIGURE;
1947 ofproto->sflow = NULL;
1955 struct ofproto *ofproto_,
1956 const struct ofproto_ipfix_bridge_exporter_options *bridge_exporter_options,
1957 const struct ofproto_ipfix_flow_exporter_options *flow_exporters_options,
1958 size_t n_flow_exporters_options)
1960 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
1961 struct dpif_ipfix *di = ofproto->ipfix;
1962 bool has_options = bridge_exporter_options || flow_exporters_options;
1963 bool new_di = false;
1965 if (has_options && !di) {
1966 di = ofproto->ipfix = dpif_ipfix_create();
1971 /* Call set_options in any case to cleanly flush the flow
1972 * caches in the last exporters that are to be destroyed. */
1973 dpif_ipfix_set_options(
1974 di, bridge_exporter_options, flow_exporters_options,
1975 n_flow_exporters_options);
1977 /* Add tunnel ports only when a new ipfix created */
1978 if (new_di == true) {
1979 struct ofport_dpif *ofport;
1980 HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
1981 if (ofport->is_tunnel == true) {
1982 dpif_ipfix_add_tunnel_port(di, &ofport->up, ofport->odp_port);
1988 dpif_ipfix_unref(di);
1989 ofproto->ipfix = NULL;
1997 set_cfm(struct ofport *ofport_, const struct cfm_settings *s)
1999 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2000 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2001 struct cfm *old = ofport->cfm;
2006 ofport->cfm = cfm_create(ofport->up.netdev);
2009 if (cfm_configure(ofport->cfm, s)) {
2016 cfm_unref(ofport->cfm);
2019 if (ofport->cfm != old) {
2020 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2022 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
2023 ofport->lldp, &ofport->up.pp.hw_addr);
2028 cfm_status_changed(struct ofport *ofport_)
2030 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2032 return ofport->cfm ? cfm_check_status_change(ofport->cfm) : true;
2036 get_cfm_status(const struct ofport *ofport_,
2037 struct cfm_status *status)
2039 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2043 cfm_get_status(ofport->cfm, status);
2052 set_bfd(struct ofport *ofport_, const struct smap *cfg)
2054 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
2055 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2059 ofport->bfd = bfd_configure(old, netdev_get_name(ofport->up.netdev),
2060 cfg, ofport->up.netdev);
2061 if (ofport->bfd != old) {
2062 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2064 ofproto_dpif_monitor_port_update(ofport, ofport->bfd, ofport->cfm,
2065 ofport->lldp, &ofport->up.pp.hw_addr);
2070 bfd_status_changed(struct ofport *ofport_)
2072 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2074 return ofport->bfd ? bfd_check_status_change(ofport->bfd) : true;
2078 get_bfd_status(struct ofport *ofport_, struct smap *smap)
2080 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2084 bfd_get_status(ofport->bfd, smap);
2093 set_lldp(struct ofport *ofport_,
2094 const struct smap *cfg)
2096 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2100 if (!ofport->lldp) {
2101 struct ofproto_dpif *ofproto;
2103 ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2104 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2105 ofport->lldp = lldp_create(ofport->up.netdev, ofport_->mtu, cfg);
2108 if (!lldp_configure(ofport->lldp, cfg)) {
2113 lldp_unref(ofport->lldp);
2114 ofport->lldp = NULL;
2117 ofproto_dpif_monitor_port_update(ofport,
2121 &ofport->up.pp.hw_addr);
2126 get_lldp_status(const struct ofport *ofport_,
2127 struct lldp_status *status OVS_UNUSED)
2129 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2131 return ofport->lldp ? true : false;
2135 set_aa(struct ofproto *ofproto OVS_UNUSED,
2136 const struct aa_settings *s)
2138 return aa_configure(s);
2142 aa_mapping_set(struct ofproto *ofproto_ OVS_UNUSED, void *aux,
2143 const struct aa_mapping_settings *s)
2145 return aa_mapping_register(aux, s);
2149 aa_mapping_unset(struct ofproto *ofproto OVS_UNUSED, void *aux)
2151 return aa_mapping_unregister(aux);
2155 aa_vlan_get_queued(struct ofproto *ofproto OVS_UNUSED, struct ovs_list *list)
2157 return aa_get_vlan_queued(list);
2161 aa_vlan_get_queue_size(struct ofproto *ofproto OVS_UNUSED)
2163 return aa_get_vlan_queue_size();
2167 /* Spanning Tree. */
2169 /* Called while rstp_mutex is held. */
2171 rstp_send_bpdu_cb(struct dp_packet *pkt, void *ofport_, void *ofproto_)
2173 struct ofproto_dpif *ofproto = ofproto_;
2174 struct ofport_dpif *ofport = ofport_;
2175 struct eth_header *eth = dp_packet_l2(pkt);
2177 netdev_get_etheraddr(ofport->up.netdev, ð->eth_src);
2178 if (eth_addr_is_zero(eth->eth_src)) {
2179 VLOG_WARN_RL(&rl, "%s port %d: cannot send RSTP BPDU on a port which "
2180 "does not have a configured source MAC address.",
2181 ofproto->up.name, ofp_to_u16(ofport->up.ofp_port));
2183 ofproto_dpif_send_packet(ofport, pkt);
2185 dp_packet_delete(pkt);
2189 send_bpdu_cb(struct dp_packet *pkt, int port_num, void *ofproto_)
2191 struct ofproto_dpif *ofproto = ofproto_;
2192 struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
2193 struct ofport_dpif *ofport;
2195 ofport = stp_port_get_aux(sp);
2197 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
2198 ofproto->up.name, port_num);
2200 struct eth_header *eth = dp_packet_l2(pkt);
2202 netdev_get_etheraddr(ofport->up.netdev, ð->eth_src);
2203 if (eth_addr_is_zero(eth->eth_src)) {
2204 VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
2205 "with unknown MAC", ofproto->up.name, port_num);
2207 ofproto_dpif_send_packet(ofport, pkt);
2210 dp_packet_delete(pkt);
2213 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2215 set_rstp(struct ofproto *ofproto_, const struct ofproto_rstp_settings *s)
2217 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2219 /* Only revalidate flows if the configuration changed. */
2220 if (!s != !ofproto->rstp) {
2221 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2225 if (!ofproto->rstp) {
2226 ofproto->rstp = rstp_create(ofproto_->name, s->address,
2227 rstp_send_bpdu_cb, ofproto);
2228 ofproto->rstp_last_tick = time_msec();
2230 rstp_set_bridge_address(ofproto->rstp, s->address);
2231 rstp_set_bridge_priority(ofproto->rstp, s->priority);
2232 rstp_set_bridge_ageing_time(ofproto->rstp, s->ageing_time);
2233 rstp_set_bridge_force_protocol_version(ofproto->rstp,
2234 s->force_protocol_version);
2235 rstp_set_bridge_max_age(ofproto->rstp, s->bridge_max_age);
2236 rstp_set_bridge_forward_delay(ofproto->rstp, s->bridge_forward_delay);
2237 rstp_set_bridge_transmit_hold_count(ofproto->rstp,
2238 s->transmit_hold_count);
2240 struct ofport *ofport;
2241 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2242 set_rstp_port(ofport, NULL);
2244 rstp_unref(ofproto->rstp);
2245 ofproto->rstp = NULL;
2250 get_rstp_status(struct ofproto *ofproto_, struct ofproto_rstp_status *s)
2252 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2254 if (ofproto->rstp) {
2256 s->root_id = rstp_get_root_id(ofproto->rstp);
2257 s->bridge_id = rstp_get_bridge_id(ofproto->rstp);
2258 s->designated_id = rstp_get_designated_id(ofproto->rstp);
2259 s->root_path_cost = rstp_get_root_path_cost(ofproto->rstp);
2260 s->designated_port_id = rstp_get_designated_port_id(ofproto->rstp);
2261 s->bridge_port_id = rstp_get_bridge_port_id(ofproto->rstp);
2268 update_rstp_port_state(struct ofport_dpif *ofport)
2270 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2271 enum rstp_state state;
2273 /* Figure out new state. */
2274 state = ofport->rstp_port ? rstp_port_get_state(ofport->rstp_port)
2278 if (ofport->rstp_state != state) {
2279 enum ofputil_port_state of_state;
2282 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2283 netdev_get_name(ofport->up.netdev),
2284 rstp_state_name(ofport->rstp_state),
2285 rstp_state_name(state));
2287 if (rstp_learn_in_state(ofport->rstp_state)
2288 != rstp_learn_in_state(state)) {
2289 /* XXX: Learning action flows should also be flushed. */
2290 if (ofport->bundle) {
2291 if (!rstp_shift_root_learned_address(ofproto->rstp)
2292 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2293 bundle_flush_macs(ofport->bundle, false);
2297 fwd_change = rstp_forward_in_state(ofport->rstp_state)
2298 != rstp_forward_in_state(state);
2300 ofproto->backer->need_revalidate = REV_RSTP;
2301 ofport->rstp_state = state;
2303 if (fwd_change && ofport->bundle) {
2304 bundle_update(ofport->bundle);
2307 /* Update the RSTP state bits in the OpenFlow port description. */
2308 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2309 of_state |= (state == RSTP_LEARNING ? OFPUTIL_PS_STP_LEARN
2310 : state == RSTP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2311 : state == RSTP_DISCARDING ? OFPUTIL_PS_STP_LISTEN
2313 ofproto_port_set_state(&ofport->up, of_state);
2318 rstp_run(struct ofproto_dpif *ofproto)
2320 if (ofproto->rstp) {
2321 long long int now = time_msec();
2322 long long int elapsed = now - ofproto->rstp_last_tick;
2323 struct rstp_port *rp;
2324 struct ofport_dpif *ofport;
2326 /* Every second, decrease the values of the timers. */
2327 if (elapsed >= 1000) {
2328 rstp_tick_timers(ofproto->rstp);
2329 ofproto->rstp_last_tick = now;
2332 while ((ofport = rstp_get_next_changed_port_aux(ofproto->rstp, &rp))) {
2333 update_rstp_port_state(ofport);
2337 /* FIXME: This check should be done on-event (i.e., when setting
2338 * p->fdb_flush) and not periodically.
2340 while ((ofport = rstp_check_and_reset_fdb_flush(ofproto->rstp, &rp))) {
2341 if (!rstp_shift_root_learned_address(ofproto->rstp)
2342 || rstp_get_old_root_aux(ofproto->rstp) != ofport) {
2343 bundle_flush_macs(ofport->bundle, false);
2347 if (rstp_shift_root_learned_address(ofproto->rstp)) {
2348 struct ofport_dpif *old_root_aux =
2349 (struct ofport_dpif *)rstp_get_old_root_aux(ofproto->rstp);
2350 struct ofport_dpif *new_root_aux =
2351 (struct ofport_dpif *)rstp_get_new_root_aux(ofproto->rstp);
2352 if (old_root_aux != NULL && new_root_aux != NULL) {
2353 bundle_move(old_root_aux->bundle, new_root_aux->bundle);
2354 rstp_reset_root_changed(ofproto->rstp);
2360 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2362 set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
2364 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2366 /* Only revalidate flows if the configuration changed. */
2367 if (!s != !ofproto->stp) {
2368 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2372 if (!ofproto->stp) {
2373 ofproto->stp = stp_create(ofproto_->name, s->system_id,
2374 send_bpdu_cb, ofproto);
2375 ofproto->stp_last_tick = time_msec();
2378 stp_set_bridge_id(ofproto->stp, s->system_id);
2379 stp_set_bridge_priority(ofproto->stp, s->priority);
2380 stp_set_hello_time(ofproto->stp, s->hello_time);
2381 stp_set_max_age(ofproto->stp, s->max_age);
2382 stp_set_forward_delay(ofproto->stp, s->fwd_delay);
2384 struct ofport *ofport;
2386 HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
2387 set_stp_port(ofport, NULL);
2390 stp_unref(ofproto->stp);
2391 ofproto->stp = NULL;
2398 get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
2400 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2404 s->bridge_id = stp_get_bridge_id(ofproto->stp);
2405 s->designated_root = stp_get_designated_root(ofproto->stp);
2406 s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
2415 update_stp_port_state(struct ofport_dpif *ofport)
2417 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2418 enum stp_state state;
2420 /* Figure out new state. */
2421 state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
2425 if (ofport->stp_state != state) {
2426 enum ofputil_port_state of_state;
2429 VLOG_DBG("port %s: STP state changed from %s to %s",
2430 netdev_get_name(ofport->up.netdev),
2431 stp_state_name(ofport->stp_state),
2432 stp_state_name(state));
2433 if (stp_learn_in_state(ofport->stp_state)
2434 != stp_learn_in_state(state)) {
2435 /* xxx Learning action flows should also be flushed. */
2436 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2437 mac_learning_flush(ofproto->ml);
2438 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2439 mcast_snooping_mdb_flush(ofproto->ms);
2441 fwd_change = stp_forward_in_state(ofport->stp_state)
2442 != stp_forward_in_state(state);
2444 ofproto->backer->need_revalidate = REV_STP;
2445 ofport->stp_state = state;
2446 ofport->stp_state_entered = time_msec();
2448 if (fwd_change && ofport->bundle) {
2449 bundle_update(ofport->bundle);
2452 /* Update the STP state bits in the OpenFlow port description. */
2453 of_state = ofport->up.pp.state & ~OFPUTIL_PS_STP_MASK;
2454 of_state |= (state == STP_LISTENING ? OFPUTIL_PS_STP_LISTEN
2455 : state == STP_LEARNING ? OFPUTIL_PS_STP_LEARN
2456 : state == STP_FORWARDING ? OFPUTIL_PS_STP_FORWARD
2457 : state == STP_BLOCKING ? OFPUTIL_PS_STP_BLOCK
2459 ofproto_port_set_state(&ofport->up, of_state);
2463 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2464 * caller is responsible for assigning STP port numbers and ensuring
2465 * there are no duplicates. */
2467 set_stp_port(struct ofport *ofport_,
2468 const struct ofproto_port_stp_settings *s)
2470 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2471 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2472 struct stp_port *sp = ofport->stp_port;
2474 if (!s || !s->enable) {
2476 ofport->stp_port = NULL;
2477 stp_port_disable(sp);
2478 update_stp_port_state(ofport);
2481 } else if (sp && stp_port_no(sp) != s->port_num
2482 && ofport == stp_port_get_aux(sp)) {
2483 /* The port-id changed, so disable the old one if it's not
2484 * already in use by another port. */
2485 stp_port_disable(sp);
2488 sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
2490 /* Set name before enabling the port so that debugging messages can print
2492 stp_port_set_name(sp, netdev_get_name(ofport->up.netdev));
2493 stp_port_enable(sp);
2495 stp_port_set_aux(sp, ofport);
2496 stp_port_set_priority(sp, s->priority);
2497 stp_port_set_path_cost(sp, s->path_cost);
2499 update_stp_port_state(ofport);
2505 get_stp_port_status(struct ofport *ofport_,
2506 struct ofproto_port_stp_status *s)
2508 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2509 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2510 struct stp_port *sp = ofport->stp_port;
2512 if (!ofproto->stp || !sp) {
2518 s->port_id = stp_port_get_id(sp);
2519 s->state = stp_port_get_state(sp);
2520 s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
2521 s->role = stp_port_get_role(sp);
2527 get_stp_port_stats(struct ofport *ofport_,
2528 struct ofproto_port_stp_stats *s)
2530 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2531 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2532 struct stp_port *sp = ofport->stp_port;
2534 if (!ofproto->stp || !sp) {
2540 stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
2546 stp_run(struct ofproto_dpif *ofproto)
2549 long long int now = time_msec();
2550 long long int elapsed = now - ofproto->stp_last_tick;
2551 struct stp_port *sp;
2554 stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
2555 ofproto->stp_last_tick = now;
2557 while (stp_get_changed_port(ofproto->stp, &sp)) {
2558 struct ofport_dpif *ofport = stp_port_get_aux(sp);
2561 update_stp_port_state(ofport);
2565 if (stp_check_and_reset_fdb_flush(ofproto->stp)) {
2566 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
2567 mac_learning_flush(ofproto->ml);
2568 ovs_rwlock_unlock(&ofproto->ml->rwlock);
2569 mcast_snooping_mdb_flush(ofproto->ms);
2575 stp_wait(struct ofproto_dpif *ofproto)
2578 poll_timer_wait(1000);
2582 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2583 * caller is responsible for assigning RSTP port numbers and ensuring
2584 * there are no duplicates. */
2586 set_rstp_port(struct ofport *ofport_,
2587 const struct ofproto_port_rstp_settings *s)
2589 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2590 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2591 struct rstp_port *rp = ofport->rstp_port;
2593 if (!s || !s->enable) {
2595 rstp_port_set_aux(rp, NULL);
2596 rstp_port_set_state(rp, RSTP_DISABLED);
2597 rstp_port_set_mac_operational(rp, false);
2598 ofport->rstp_port = NULL;
2599 rstp_port_unref(rp);
2600 update_rstp_port_state(ofport);
2605 /* Check if need to add a new port. */
2607 rp = ofport->rstp_port = rstp_add_port(ofproto->rstp);
2610 rstp_port_set(rp, s->port_num, s->priority, s->path_cost,
2611 s->admin_edge_port, s->auto_edge,
2612 s->admin_p2p_mac_state, s->admin_port_state, s->mcheck,
2614 update_rstp_port_state(ofport);
2615 /* Synchronize operational status. */
2616 rstp_port_set_mac_operational(rp, ofport->may_enable);
2620 get_rstp_port_status(struct ofport *ofport_,
2621 struct ofproto_port_rstp_status *s)
2623 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2624 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2625 struct rstp_port *rp = ofport->rstp_port;
2627 if (!ofproto->rstp || !rp) {
2633 rstp_port_get_status(rp, &s->port_id, &s->state, &s->role,
2634 &s->designated_bridge_id, &s->designated_port_id,
2635 &s->designated_path_cost, &s->tx_count,
2636 &s->rx_count, &s->error_count, &s->uptime);
2641 set_queues(struct ofport *ofport_, const struct ofproto_port_queue *qdscp,
2644 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
2645 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
2647 if (ofport->n_qdscp != n_qdscp
2648 || (n_qdscp && memcmp(ofport->qdscp, qdscp,
2649 n_qdscp * sizeof *qdscp))) {
2650 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2651 free(ofport->qdscp);
2652 ofport->qdscp = n_qdscp
2653 ? xmemdup(qdscp, n_qdscp * sizeof *qdscp)
2655 ofport->n_qdscp = n_qdscp;
2663 /* Expires all MAC learning entries associated with 'bundle' and forces its
2664 * ofproto to revalidate every flow.
2666 * Normally MAC learning entries are removed only from the ofproto associated
2667 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2668 * are removed from every ofproto. When patch ports and SLB bonds are in use
2669 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2670 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2671 * with the host from which it migrated. */
2673 bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
2675 struct ofproto_dpif *ofproto = bundle->ofproto;
2676 struct mac_learning *ml = ofproto->ml;
2677 struct mac_entry *mac, *next_mac;
2679 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2680 ovs_rwlock_wrlock(&ml->rwlock);
2681 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2682 if (mac_entry_get_port(ml, mac) == bundle) {
2684 struct ofproto_dpif *o;
2686 HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
2688 struct mac_entry *e;
2690 ovs_rwlock_wrlock(&o->ml->rwlock);
2691 e = mac_learning_lookup(o->ml, mac->mac, mac->vlan);
2693 mac_learning_expire(o->ml, e);
2695 ovs_rwlock_unlock(&o->ml->rwlock);
2700 mac_learning_expire(ml, mac);
2703 ovs_rwlock_unlock(&ml->rwlock);
2707 bundle_move(struct ofbundle *old, struct ofbundle *new)
2709 struct ofproto_dpif *ofproto = old->ofproto;
2710 struct mac_learning *ml = ofproto->ml;
2711 struct mac_entry *mac, *next_mac;
2713 ovs_assert(new->ofproto == old->ofproto);
2715 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2716 ovs_rwlock_wrlock(&ml->rwlock);
2717 LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
2718 if (mac_entry_get_port(ml, mac) == old) {
2719 mac_entry_set_port(ml, mac, new);
2722 ovs_rwlock_unlock(&ml->rwlock);
2725 static struct ofbundle *
2726 bundle_lookup(const struct ofproto_dpif *ofproto, void *aux)
2728 struct ofbundle *bundle;
2730 HMAP_FOR_EACH_IN_BUCKET (bundle, hmap_node, hash_pointer(aux, 0),
2731 &ofproto->bundles) {
2732 if (bundle->aux == aux) {
2740 bundle_update(struct ofbundle *bundle)
2742 struct ofport_dpif *port;
2744 bundle->floodable = true;
2745 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
2746 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2748 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2749 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2750 bundle->floodable = false;
2757 bundle_del_port(struct ofport_dpif *port)
2759 struct ofbundle *bundle = port->bundle;
2761 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2763 list_remove(&port->bundle_node);
2764 port->bundle = NULL;
2767 lacp_slave_unregister(bundle->lacp, port);
2770 bond_slave_unregister(bundle->bond, port);
2773 bundle_update(bundle);
2777 bundle_add_port(struct ofbundle *bundle, ofp_port_t ofp_port,
2778 struct lacp_slave_settings *lacp)
2780 struct ofport_dpif *port;
2782 port = ofp_port_to_ofport(bundle->ofproto, ofp_port);
2787 if (port->bundle != bundle) {
2788 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2790 bundle_remove(&port->up);
2793 port->bundle = bundle;
2794 list_push_back(&bundle->ports, &port->bundle_node);
2795 if (port->up.pp.config & OFPUTIL_PC_NO_FLOOD
2797 || (bundle->ofproto->stp && !stp_forward_in_state(port->stp_state))
2798 || (bundle->ofproto->rstp && !rstp_forward_in_state(port->rstp_state))) {
2799 bundle->floodable = false;
2803 bundle->ofproto->backer->need_revalidate = REV_RECONFIGURE;
2804 lacp_slave_register(bundle->lacp, port, lacp);
2811 bundle_destroy(struct ofbundle *bundle)
2813 struct ofproto_dpif *ofproto;
2814 struct ofport_dpif *port, *next_port;
2820 ofproto = bundle->ofproto;
2821 mbridge_unregister_bundle(ofproto->mbridge, bundle);
2824 xlate_bundle_remove(bundle);
2827 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2828 bundle_del_port(port);
2831 bundle_flush_macs(bundle, true);
2832 hmap_remove(&ofproto->bundles, &bundle->hmap_node);
2834 free(bundle->trunks);
2835 lacp_unref(bundle->lacp);
2836 bond_unref(bundle->bond);
2841 bundle_set(struct ofproto *ofproto_, void *aux,
2842 const struct ofproto_bundle_settings *s)
2844 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
2845 bool need_flush = false;
2846 struct ofport_dpif *port;
2847 struct ofbundle *bundle;
2848 unsigned long *trunks;
2854 bundle_destroy(bundle_lookup(ofproto, aux));
2858 ovs_assert(s->n_slaves == 1 || s->bond != NULL);
2859 ovs_assert((s->lacp != NULL) == (s->lacp_slaves != NULL));
2861 bundle = bundle_lookup(ofproto, aux);
2863 bundle = xmalloc(sizeof *bundle);
2865 bundle->ofproto = ofproto;
2866 hmap_insert(&ofproto->bundles, &bundle->hmap_node,
2867 hash_pointer(aux, 0));
2869 bundle->name = NULL;
2871 list_init(&bundle->ports);
2872 bundle->vlan_mode = PORT_VLAN_TRUNK;
2874 bundle->trunks = NULL;
2875 bundle->use_priority_tags = s->use_priority_tags;
2876 bundle->lacp = NULL;
2877 bundle->bond = NULL;
2879 bundle->floodable = true;
2880 mbridge_register_bundle(ofproto->mbridge, bundle);
2883 if (!bundle->name || strcmp(s->name, bundle->name)) {
2885 bundle->name = xstrdup(s->name);
2890 ofproto->lacp_enabled = true;
2891 if (!bundle->lacp) {
2892 ofproto->backer->need_revalidate = REV_RECONFIGURE;
2893 bundle->lacp = lacp_create();
2895 lacp_configure(bundle->lacp, s->lacp);
2897 lacp_unref(bundle->lacp);
2898 bundle->lacp = NULL;
2901 /* Update set of ports. */
2903 for (i = 0; i < s->n_slaves; i++) {
2904 if (!bundle_add_port(bundle, s->slaves[i],
2905 s->lacp ? &s->lacp_slaves[i] : NULL)) {
2909 if (!ok || list_size(&bundle->ports) != s->n_slaves) {
2910 struct ofport_dpif *next_port;
2912 LIST_FOR_EACH_SAFE (port, next_port, bundle_node, &bundle->ports) {
2913 for (i = 0; i < s->n_slaves; i++) {
2914 if (s->slaves[i] == port->up.ofp_port) {
2919 bundle_del_port(port);
2923 ovs_assert(list_size(&bundle->ports) <= s->n_slaves);
2925 if (list_is_empty(&bundle->ports)) {
2926 bundle_destroy(bundle);
2930 /* Set VLAN tagging mode */
2931 if (s->vlan_mode != bundle->vlan_mode
2932 || s->use_priority_tags != bundle->use_priority_tags) {
2933 bundle->vlan_mode = s->vlan_mode;
2934 bundle->use_priority_tags = s->use_priority_tags;
2939 vlan = (s->vlan_mode == PORT_VLAN_TRUNK ? -1
2940 : s->vlan >= 0 && s->vlan <= 4095 ? s->vlan
2942 if (vlan != bundle->vlan) {
2943 bundle->vlan = vlan;
2947 /* Get trunked VLANs. */
2948 switch (s->vlan_mode) {
2949 case PORT_VLAN_ACCESS:
2953 case PORT_VLAN_TRUNK:
2954 trunks = CONST_CAST(unsigned long *, s->trunks);
2957 case PORT_VLAN_NATIVE_UNTAGGED:
2958 case PORT_VLAN_NATIVE_TAGGED:
2959 if (vlan != 0 && (!s->trunks
2960 || !bitmap_is_set(s->trunks, vlan)
2961 || bitmap_is_set(s->trunks, 0))) {
2962 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2964 trunks = bitmap_clone(s->trunks, 4096);
2966 trunks = bitmap_allocate1(4096);
2968 bitmap_set1(trunks, vlan);
2969 bitmap_set0(trunks, 0);
2971 trunks = CONST_CAST(unsigned long *, s->trunks);
2978 if (!vlan_bitmap_equal(trunks, bundle->trunks)) {
2979 free(bundle->trunks);
2980 if (trunks == s->trunks) {
2981 bundle->trunks = vlan_bitmap_clone(trunks);
2983 bundle->trunks = trunks;
2988 if (trunks != s->trunks) {
2993 if (!list_is_short(&bundle->ports)) {
2994 bundle->ofproto->has_bonded_bundles = true;
2996 if (bond_reconfigure(bundle->bond, s->bond)) {
2997 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3000 bundle->bond = bond_create(s->bond, ofproto);
3001 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3004 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
3005 bond_slave_register(bundle->bond, port,
3006 port->up.ofp_port, port->up.netdev);
3009 bond_unref(bundle->bond);
3010 bundle->bond = NULL;
3013 /* If we changed something that would affect MAC learning, un-learn
3014 * everything on this port and force flow revalidation. */
3016 bundle_flush_macs(bundle, false);
3023 bundle_remove(struct ofport *port_)
3025 struct ofport_dpif *port = ofport_dpif_cast(port_);
3026 struct ofbundle *bundle = port->bundle;
3029 bundle_del_port(port);
3030 if (list_is_empty(&bundle->ports)) {
3031 bundle_destroy(bundle);
3032 } else if (list_is_short(&bundle->ports)) {
3033 bond_unref(bundle->bond);
3034 bundle->bond = NULL;
3040 send_pdu_cb(void *port_, const void *pdu, size_t pdu_size)
3042 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
3043 struct ofport_dpif *port = port_;
3047 error = netdev_get_etheraddr(port->up.netdev, &ea);
3049 struct dp_packet packet;
3052 dp_packet_init(&packet, 0);
3053 packet_pdu = eth_compose(&packet, eth_addr_lacp, ea, ETH_TYPE_LACP,
3055 memcpy(packet_pdu, pdu, pdu_size);
3057 ofproto_dpif_send_packet(port, &packet);
3058 dp_packet_uninit(&packet);
3060 VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
3061 "%s (%s)", port->bundle->name,
3062 netdev_get_name(port->up.netdev), ovs_strerror(error));
3067 bundle_send_learning_packets(struct ofbundle *bundle)
3069 struct ofproto_dpif *ofproto = bundle->ofproto;
3070 int error, n_packets, n_errors;
3071 struct mac_entry *e;
3073 struct ovs_list list_node;
3074 struct ofport_dpif *port;
3075 struct dp_packet *pkt;
3077 struct ovs_list packets;
3079 list_init(&packets);
3080 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
3081 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
3082 if (mac_entry_get_port(ofproto->ml, e) != bundle) {
3083 pkt_node = xmalloc(sizeof *pkt_node);
3084 pkt_node->pkt = bond_compose_learning_packet(bundle->bond,
3086 (void **)&pkt_node->port);
3087 list_push_back(&packets, &pkt_node->list_node);
3090 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3092 error = n_packets = n_errors = 0;
3093 LIST_FOR_EACH_POP (pkt_node, list_node, &packets) {
3096 ret = ofproto_dpif_send_packet(pkt_node->port, pkt_node->pkt);
3097 dp_packet_delete(pkt_node->pkt);
3107 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3108 VLOG_WARN_RL(&rl, "bond %s: %d errors sending %d gratuitous learning "
3109 "packets, last error was: %s",
3110 bundle->name, n_errors, n_packets, ovs_strerror(error));
3112 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3113 bundle->name, n_packets);
3118 bundle_run(struct ofbundle *bundle)
3121 lacp_run(bundle->lacp, send_pdu_cb);
3124 struct ofport_dpif *port;
3126 LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
3127 bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
3130 if (bond_run(bundle->bond, lacp_status(bundle->lacp))) {
3131 bundle->ofproto->backer->need_revalidate = REV_BOND;
3134 if (bond_should_send_learning_packets(bundle->bond)) {
3135 bundle_send_learning_packets(bundle);
3141 bundle_wait(struct ofbundle *bundle)
3144 lacp_wait(bundle->lacp);
3147 bond_wait(bundle->bond);
3154 mirror_set__(struct ofproto *ofproto_, void *aux,
3155 const struct ofproto_mirror_settings *s)
3157 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3158 struct ofbundle **srcs, **dsts;
3163 mirror_destroy(ofproto->mbridge, aux);
3167 srcs = xmalloc(s->n_srcs * sizeof *srcs);
3168 dsts = xmalloc(s->n_dsts * sizeof *dsts);
3170 for (i = 0; i < s->n_srcs; i++) {
3171 srcs[i] = bundle_lookup(ofproto, s->srcs[i]);
3174 for (i = 0; i < s->n_dsts; i++) {
3175 dsts[i] = bundle_lookup(ofproto, s->dsts[i]);
3178 error = mirror_set(ofproto->mbridge, aux, s->name, srcs, s->n_srcs, dsts,
3179 s->n_dsts, s->src_vlans,
3180 bundle_lookup(ofproto, s->out_bundle), s->out_vlan);
3187 mirror_get_stats__(struct ofproto *ofproto, void *aux,
3188 uint64_t *packets, uint64_t *bytes)
3190 return mirror_get_stats(ofproto_dpif_cast(ofproto)->mbridge, aux, packets,
3195 set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
3197 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3198 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3199 if (mac_learning_set_flood_vlans(ofproto->ml, flood_vlans)) {
3200 mac_learning_flush(ofproto->ml);
3202 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3207 is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
3209 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3210 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3211 return bundle && mirror_bundle_out(ofproto->mbridge, bundle) != 0;
3215 forward_bpdu_changed(struct ofproto *ofproto_)
3217 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3218 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3222 set_mac_table_config(struct ofproto *ofproto_, unsigned int idle_time,
3225 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3226 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
3227 mac_learning_set_idle_time(ofproto->ml, idle_time);
3228 mac_learning_set_max_entries(ofproto->ml, max_entries);
3229 ovs_rwlock_unlock(&ofproto->ml->rwlock);
3232 /* Configures multicast snooping on 'ofport' using the settings
3233 * defined in 's'. */
3235 set_mcast_snooping(struct ofproto *ofproto_,
3236 const struct ofproto_mcast_snooping_settings *s)
3238 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3240 /* Only revalidate flows if the configuration changed. */
3241 if (!s != !ofproto->ms) {
3242 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3247 ofproto->ms = mcast_snooping_create();
3250 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3251 mcast_snooping_set_idle_time(ofproto->ms, s->idle_time);
3252 mcast_snooping_set_max_entries(ofproto->ms, s->max_entries);
3253 if (mcast_snooping_set_flood_unreg(ofproto->ms, s->flood_unreg)) {
3254 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3256 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3258 mcast_snooping_unref(ofproto->ms);
3265 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3267 set_mcast_snooping_port(struct ofproto *ofproto_, void *aux,
3268 const struct ofproto_mcast_snooping_port_settings *s)
3270 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3271 struct ofbundle *bundle = bundle_lookup(ofproto, aux);
3273 if (ofproto->ms && s) {
3274 ovs_rwlock_wrlock(&ofproto->ms->rwlock);
3275 mcast_snooping_set_port_flood(ofproto->ms, bundle, s->flood);
3276 mcast_snooping_set_port_flood_reports(ofproto->ms, bundle,
3278 ovs_rwlock_unlock(&ofproto->ms->rwlock);
3286 struct ofport_dpif *
3287 ofp_port_to_ofport(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
3289 struct ofport *ofport = ofproto_get_port(&ofproto->up, ofp_port);
3290 return ofport ? ofport_dpif_cast(ofport) : NULL;
3294 ofproto_port_from_dpif_port(struct ofproto_dpif *ofproto,
3295 struct ofproto_port *ofproto_port,
3296 struct dpif_port *dpif_port)
3298 ofproto_port->name = dpif_port->name;
3299 ofproto_port->type = dpif_port->type;
3300 ofproto_port->ofp_port = odp_port_to_ofp_port(ofproto, dpif_port->port_no);
3304 ofport_update_peer(struct ofport_dpif *ofport)
3306 const struct ofproto_dpif *ofproto;
3307 struct dpif_backer *backer;
3310 if (!netdev_vport_is_patch(ofport->up.netdev)) {
3314 backer = ofproto_dpif_cast(ofport->up.ofproto)->backer;
3315 backer->need_revalidate = REV_RECONFIGURE;
3318 ofport->peer->peer = NULL;
3319 ofport->peer = NULL;
3322 peer_name = netdev_vport_patch_peer(ofport->up.netdev);
3327 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
3328 struct ofport *peer_ofport;
3329 struct ofport_dpif *peer;
3332 if (ofproto->backer != backer) {
3336 peer_ofport = shash_find_data(&ofproto->up.port_by_name, peer_name);
3341 peer = ofport_dpif_cast(peer_ofport);
3342 peer_peer = netdev_vport_patch_peer(peer->up.netdev);
3343 if (peer_peer && !strcmp(netdev_get_name(ofport->up.netdev),
3345 ofport->peer = peer;
3346 ofport->peer->peer = ofport;
3356 port_run(struct ofport_dpif *ofport)
3358 long long int carrier_seq = netdev_get_carrier_resets(ofport->up.netdev);
3359 bool carrier_changed = carrier_seq != ofport->carrier_seq;
3360 bool enable = netdev_get_carrier(ofport->up.netdev);
3361 bool cfm_enable = false;
3362 bool bfd_enable = false;
3364 ofport->carrier_seq = carrier_seq;
3367 int cfm_opup = cfm_get_opup(ofport->cfm);
3369 cfm_enable = !cfm_get_fault(ofport->cfm);
3371 if (cfm_opup >= 0) {
3372 cfm_enable = cfm_enable && cfm_opup;
3377 bfd_enable = bfd_forwarding(ofport->bfd);
3380 if (ofport->bfd || ofport->cfm) {
3381 enable = enable && (cfm_enable || bfd_enable);
3384 if (ofport->bundle) {
3385 enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
3386 if (carrier_changed) {
3387 lacp_slave_carrier_changed(ofport->bundle->lacp, ofport);
3391 if (ofport->may_enable != enable) {
3392 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3394 ofproto->backer->need_revalidate = REV_PORT_TOGGLED;
3396 if (ofport->rstp_port) {
3397 rstp_port_set_mac_operational(ofport->rstp_port, enable);
3401 ofport->may_enable = enable;
3405 port_query_by_name(const struct ofproto *ofproto_, const char *devname,
3406 struct ofproto_port *ofproto_port)
3408 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3409 struct dpif_port dpif_port;
3412 if (sset_contains(&ofproto->ghost_ports, devname)) {
3413 const char *type = netdev_get_type_from_name(devname);
3415 /* We may be called before ofproto->up.port_by_name is populated with
3416 * the appropriate ofport. For this reason, we must get the name and
3417 * type from the netdev layer directly. */
3419 const struct ofport *ofport;
3421 ofport = shash_find_data(&ofproto->up.port_by_name, devname);
3422 ofproto_port->ofp_port = ofport ? ofport->ofp_port : OFPP_NONE;
3423 ofproto_port->name = xstrdup(devname);
3424 ofproto_port->type = xstrdup(type);
3430 if (!sset_contains(&ofproto->ports, devname)) {
3433 error = dpif_port_query_by_name(ofproto->backer->dpif,
3434 devname, &dpif_port);
3436 ofproto_port_from_dpif_port(ofproto, ofproto_port, &dpif_port);
3442 port_add(struct ofproto *ofproto_, struct netdev *netdev)
3444 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3445 const char *devname = netdev_get_name(netdev);
3446 char namebuf[NETDEV_VPORT_NAME_BUFSIZE];
3447 const char *dp_port_name;
3449 if (netdev_vport_is_patch(netdev)) {
3450 sset_add(&ofproto->ghost_ports, netdev_get_name(netdev));
3454 dp_port_name = netdev_vport_get_dpif_port(netdev, namebuf, sizeof namebuf);
3455 if (!dpif_port_exists(ofproto->backer->dpif, dp_port_name)) {
3456 odp_port_t port_no = ODPP_NONE;
3459 error = dpif_port_add(ofproto->backer->dpif, netdev, &port_no);
3463 if (netdev_get_tunnel_config(netdev)) {
3464 simap_put(&ofproto->backer->tnl_backers,
3465 dp_port_name, odp_to_u32(port_no));
3469 if (netdev_get_tunnel_config(netdev)) {
3470 sset_add(&ofproto->ghost_ports, devname);
3472 sset_add(&ofproto->ports, devname);
3478 port_del(struct ofproto *ofproto_, ofp_port_t ofp_port)
3480 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3481 struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
3488 sset_find_and_delete(&ofproto->ghost_ports,
3489 netdev_get_name(ofport->up.netdev));
3490 ofproto->backer->need_revalidate = REV_RECONFIGURE;
3491 if (!ofport->is_tunnel && !netdev_vport_is_patch(ofport->up.netdev)) {
3492 error = dpif_port_del(ofproto->backer->dpif, ofport->odp_port);
3494 /* The caller is going to close ofport->up.netdev. If this is a
3495 * bonded port, then the bond is using that netdev, so remove it
3496 * from the bond. The client will need to reconfigure everything
3497 * after deleting ports, so then the slave will get re-added. */
3498 bundle_remove(&ofport->up);
3505 port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
3507 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3510 error = netdev_get_stats(ofport->up.netdev, stats);
3512 if (!error && ofport_->ofp_port == OFPP_LOCAL) {
3513 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
3515 ovs_mutex_lock(&ofproto->stats_mutex);
3516 /* ofproto->stats.tx_packets represents packets that we created
3517 * internally and sent to some port (e.g. packets sent with
3518 * ofproto_dpif_send_packet()). Account for them as if they had
3519 * come from OFPP_LOCAL and got forwarded. */
3521 if (stats->rx_packets != UINT64_MAX) {
3522 stats->rx_packets += ofproto->stats.tx_packets;
3525 if (stats->rx_bytes != UINT64_MAX) {
3526 stats->rx_bytes += ofproto->stats.tx_bytes;
3529 /* ofproto->stats.rx_packets represents packets that were received on
3530 * some port and we processed internally and dropped (e.g. STP).
3531 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3533 if (stats->tx_packets != UINT64_MAX) {
3534 stats->tx_packets += ofproto->stats.rx_packets;
3537 if (stats->tx_bytes != UINT64_MAX) {
3538 stats->tx_bytes += ofproto->stats.rx_bytes;
3540 ovs_mutex_unlock(&ofproto->stats_mutex);
3547 port_get_lacp_stats(const struct ofport *ofport_, struct lacp_slave_stats *stats)
3549 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3550 if (ofport->bundle && ofport->bundle->lacp) {
3551 if (lacp_get_slave_stats(ofport->bundle->lacp, ofport, stats)) {
3558 struct port_dump_state {
3563 struct ofproto_port port;
3568 port_dump_start(const struct ofproto *ofproto_ OVS_UNUSED, void **statep)
3570 *statep = xzalloc(sizeof(struct port_dump_state));
3575 port_dump_next(const struct ofproto *ofproto_, void *state_,
3576 struct ofproto_port *port)
3578 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3579 struct port_dump_state *state = state_;
3580 const struct sset *sset;
3581 struct sset_node *node;
3583 if (state->has_port) {
3584 ofproto_port_destroy(&state->port);
3585 state->has_port = false;
3587 sset = state->ghost ? &ofproto->ghost_ports : &ofproto->ports;
3588 while ((node = sset_at_position(sset, &state->bucket, &state->offset))) {
3591 error = port_query_by_name(ofproto_, node->name, &state->port);
3593 *port = state->port;
3594 state->has_port = true;
3596 } else if (error != ENODEV) {
3601 if (!state->ghost) {
3602 state->ghost = true;
3605 return port_dump_next(ofproto_, state_, port);
3612 port_dump_done(const struct ofproto *ofproto_ OVS_UNUSED, void *state_)
3614 struct port_dump_state *state = state_;
3616 if (state->has_port) {
3617 ofproto_port_destroy(&state->port);
3624 port_poll(const struct ofproto *ofproto_, char **devnamep)
3626 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3628 if (ofproto->port_poll_errno) {
3629 int error = ofproto->port_poll_errno;
3630 ofproto->port_poll_errno = 0;
3634 if (sset_is_empty(&ofproto->port_poll_set)) {
3638 *devnamep = sset_pop(&ofproto->port_poll_set);
3643 port_poll_wait(const struct ofproto *ofproto_)
3645 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
3646 dpif_port_poll_wait(ofproto->backer->dpif);
3650 port_is_lacp_current(const struct ofport *ofport_)
3652 const struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
3653 return (ofport->bundle && ofport->bundle->lacp
3654 ? lacp_slave_is_current(ofport->bundle->lacp, ofport)
3658 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3659 * then delete it entirely. */
3661 rule_expire(struct rule_dpif *rule)
3662 OVS_REQUIRES(ofproto_mutex)
3664 uint16_t hard_timeout, idle_timeout;
3665 long long int now = time_msec();
3668 hard_timeout = rule->up.hard_timeout;
3669 idle_timeout = rule->up.idle_timeout;
3671 /* Has 'rule' expired? */
3673 long long int modified;
3675 ovs_mutex_lock(&rule->up.mutex);
3676 modified = rule->up.modified;
3677 ovs_mutex_unlock(&rule->up.mutex);
3679 if (now > modified + hard_timeout * 1000) {
3680 reason = OFPRR_HARD_TIMEOUT;
3684 if (reason < 0 && idle_timeout) {
3687 ovs_mutex_lock(&rule->stats_mutex);
3688 used = rule->stats.used;
3689 ovs_mutex_unlock(&rule->stats_mutex);
3691 if (now > used + idle_timeout * 1000) {
3692 reason = OFPRR_IDLE_TIMEOUT;
3697 COVERAGE_INC(ofproto_dpif_expired);
3698 ofproto_rule_expire(&rule->up, reason);
3703 ofproto_dpif_execute_actions__(struct ofproto_dpif *ofproto,
3704 const struct flow *flow,
3705 struct rule_dpif *rule,
3706 const struct ofpact *ofpacts, size_t ofpacts_len,
3707 int recurse, int resubmits,
3708 struct dp_packet *packet)
3710 struct dpif_flow_stats stats;
3711 struct xlate_out xout;
3712 struct xlate_in xin;
3714 struct dpif_execute execute;
3717 ovs_assert((rule != NULL) != (ofpacts != NULL));
3719 dpif_flow_stats_extract(flow, packet, time_msec(), &stats);
3722 rule_dpif_credit_stats(rule, &stats);
3725 uint64_t odp_actions_stub[1024 / 8];
3726 struct ofpbuf odp_actions = OFPBUF_STUB_INITIALIZER(odp_actions_stub);
3727 xlate_in_init(&xin, ofproto, flow, flow->in_port.ofp_port, rule,
3728 stats.tcp_flags, packet, NULL, &odp_actions);
3729 xin.ofpacts = ofpacts;
3730 xin.ofpacts_len = ofpacts_len;
3731 xin.resubmit_stats = &stats;
3732 xin.recurse = recurse;
3733 xin.resubmits = resubmits;
3734 if (xlate_actions(&xin, &xout) != XLATE_OK) {
3739 execute.actions = odp_actions.data;
3740 execute.actions_len = odp_actions.size;
3742 pkt_metadata_from_flow(&packet->md, flow);
3743 execute.packet = packet;
3744 execute.needs_help = (xout.slow & SLOW_ACTION) != 0;
3745 execute.probe = false;
3748 /* Fix up in_port. */
3749 in_port = flow->in_port.ofp_port;
3750 if (in_port == OFPP_NONE) {
3751 in_port = OFPP_LOCAL;
3753 execute.packet->md.in_port.odp_port = ofp_port_to_odp_port(ofproto, in_port);
3755 error = dpif_execute(ofproto->backer->dpif, &execute);
3757 xlate_out_uninit(&xout);
3758 ofpbuf_uninit(&odp_actions);
3763 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3764 * 'flow' must reflect the data in 'packet'. */
3766 ofproto_dpif_execute_actions(struct ofproto_dpif *ofproto,
3767 const struct flow *flow,
3768 struct rule_dpif *rule,
3769 const struct ofpact *ofpacts, size_t ofpacts_len,
3770 struct dp_packet *packet)
3772 return ofproto_dpif_execute_actions__(ofproto, flow, rule, ofpacts,
3773 ofpacts_len, 0, 0, packet);
3777 rule_dpif_credit_stats(struct rule_dpif *rule,
3778 const struct dpif_flow_stats *stats)
3780 ovs_mutex_lock(&rule->stats_mutex);
3781 if (OVS_UNLIKELY(rule->new_rule)) {
3782 rule_dpif_credit_stats(rule->new_rule, stats);
3784 rule->stats.n_packets += stats->n_packets;
3785 rule->stats.n_bytes += stats->n_bytes;
3786 rule->stats.used = MAX(rule->stats.used, stats->used);
3788 ovs_mutex_unlock(&rule->stats_mutex);
3792 rule_dpif_get_flow_cookie(const struct rule_dpif *rule)
3793 OVS_REQUIRES(rule->up.mutex)
3795 return rule->up.flow_cookie;
3799 rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout,
3800 uint16_t hard_timeout)
3802 ofproto_rule_reduce_timeouts(&rule->up, idle_timeout, hard_timeout);
3805 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3806 * be read until the calling thread quiesces. */
3807 const struct rule_actions *
3808 rule_dpif_get_actions(const struct rule_dpif *rule)
3810 return rule_get_actions(&rule->up);
3813 /* Sets 'rule''s recirculation id. */
3815 rule_dpif_set_recirc_id(struct rule_dpif *rule, uint32_t id)
3816 OVS_REQUIRES(rule->up.mutex)
3818 ovs_assert(!rule->recirc_id || rule->recirc_id == id);
3819 if (rule->recirc_id == id) {
3820 /* Release the new reference to the same id. */
3823 rule->recirc_id = id;
3827 /* Sets 'rule''s recirculation id. */
3829 rule_set_recirc_id(struct rule *rule_, uint32_t id)
3831 struct rule_dpif *rule = rule_dpif_cast(rule_);
3833 ovs_mutex_lock(&rule->up.mutex);
3834 rule_dpif_set_recirc_id(rule, id);
3835 ovs_mutex_unlock(&rule->up.mutex);
3839 ofproto_dpif_get_tables_version(struct ofproto_dpif *ofproto OVS_UNUSED)
3841 cls_version_t version;
3843 atomic_read_relaxed(&ofproto->tables_version, &version);
3848 /* The returned rule (if any) is valid at least until the next RCU quiescent
3849 * period. If the rule needs to stay around longer, the caller should take
3852 * 'flow' is non-const to allow for temporary modifications during the lookup.
3853 * Any changes are restored before returning. */
3854 static struct rule_dpif *
3855 rule_dpif_lookup_in_table(struct ofproto_dpif *ofproto, cls_version_t version,
3856 uint8_t table_id, struct flow *flow,
3857 struct flow_wildcards *wc)
3859 struct classifier *cls = &ofproto->up.tables[table_id].cls;
3860 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls, version,
3864 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
3865 * table '*table_id'. Returns the rule that was found, which may be one of the
3866 * special rules according to packet miss hadling. If 'may_packet_in' is
3867 * false, returning of the miss_rule (which issues packet ins for the
3868 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
3869 * that were used during the lookup.
3871 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3872 * if none is found then the table miss configuration for that table is
3873 * honored, which can result in additional lookups in other OpenFlow tables.
3874 * In this case the function updates '*table_id' to reflect the final OpenFlow
3875 * table that was searched.
3877 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3880 * The rule is returned in '*rule', which is valid at least until the next
3881 * RCU quiescent period. If the '*rule' needs to stay around longer, the
3882 * caller must take a reference.
3884 * 'in_port' allows the lookup to take place as if the in port had the value
3885 * 'in_port'. This is needed for resubmit action support.
3887 * 'flow' is non-const to allow for temporary modifications during the lookup.
3888 * Any changes are restored before returning. */
3890 rule_dpif_lookup_from_table(struct ofproto_dpif *ofproto,
3891 cls_version_t version, struct flow *flow,
3892 struct flow_wildcards *wc,
3893 const struct dpif_flow_stats *stats,
3894 uint8_t *table_id, ofp_port_t in_port,
3895 bool may_packet_in, bool honor_table_miss)
3897 ovs_be16 old_tp_src = flow->tp_src, old_tp_dst = flow->tp_dst;
3898 ofp_port_t old_in_port = flow->in_port.ofp_port;
3899 enum ofputil_table_miss miss_config;
3900 struct rule_dpif *rule;
3903 /* We always unwildcard nw_frag (for IP), so they
3904 * need not be unwildcarded here. */
3905 if (flow->nw_frag & FLOW_NW_FRAG_ANY
3906 && ofproto->up.frag_handling != OFPC_FRAG_NX_MATCH) {
3907 if (ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
3908 /* We must pretend that transport ports are unavailable. */
3909 flow->tp_src = htons(0);
3910 flow->tp_dst = htons(0);
3912 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3913 * Use the drop_frags_rule (which cannot disappear). */
3914 rule = ofproto->drop_frags_rule;
3916 struct oftable *tbl = &ofproto->up.tables[*table_id];
3919 atomic_add_relaxed(&tbl->n_matched, stats->n_packets, &orig);
3925 /* Look up a flow with 'in_port' as the input port. Then restore the
3926 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3927 * have surprising behavior). */
3928 flow->in_port.ofp_port = in_port;
3930 /* Our current implementation depends on n_tables == N_TABLES, and
3931 * TBL_INTERNAL being the last table. */
3932 BUILD_ASSERT_DECL(N_TABLES == TBL_INTERNAL + 1);
3934 miss_config = OFPUTIL_TABLE_MISS_CONTINUE;
3936 for (next_id = *table_id;
3937 next_id < ofproto->up.n_tables;
3938 next_id++, next_id += (next_id == TBL_INTERNAL))
3940 *table_id = next_id;
3941 rule = rule_dpif_lookup_in_table(ofproto, version, next_id, flow, wc);
3943 struct oftable *tbl = &ofproto->up.tables[next_id];
3946 atomic_add_relaxed(rule ? &tbl->n_matched : &tbl->n_missed,
3947 stats->n_packets, &orig);
3950 goto out; /* Match. */
3952 if (honor_table_miss) {
3953 miss_config = ofproto_table_get_miss_config(&ofproto->up,
3955 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE) {
3962 rule = ofproto->no_packet_in_rule;
3963 if (may_packet_in) {
3964 if (miss_config == OFPUTIL_TABLE_MISS_CONTINUE
3965 || miss_config == OFPUTIL_TABLE_MISS_CONTROLLER) {
3966 struct ofport_dpif *port;
3968 port = ofp_port_to_ofport(ofproto, old_in_port);
3970 VLOG_WARN_RL(&rl, "packet-in on unknown OpenFlow port %"PRIu16,
3972 } else if (!(port->up.pp.config & OFPUTIL_PC_NO_PACKET_IN)) {
3973 rule = ofproto->miss_rule;
3975 } else if (miss_config == OFPUTIL_TABLE_MISS_DEFAULT &&
3976 connmgr_wants_packet_in_on_miss(ofproto->up.connmgr)) {
3977 rule = ofproto->miss_rule;
3981 /* Restore port numbers, as they may have been modified above. */
3982 flow->tp_src = old_tp_src;
3983 flow->tp_dst = old_tp_dst;
3984 /* Restore the old in port. */
3985 flow->in_port.ofp_port = old_in_port;
3991 complete_operation(struct rule_dpif *rule)
3992 OVS_REQUIRES(ofproto_mutex)
3994 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
3996 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
3999 static struct rule_dpif *rule_dpif_cast(const struct rule *rule)
4001 return rule ? CONTAINER_OF(rule, struct rule_dpif, up) : NULL;
4004 static struct rule *
4007 struct rule_dpif *rule = xzalloc(sizeof *rule);
4012 rule_dealloc(struct rule *rule_)
4014 struct rule_dpif *rule = rule_dpif_cast(rule_);
4019 check_mask(struct ofproto_dpif *ofproto, const struct miniflow *flow)
4021 const struct odp_support *support;
4022 uint16_t ct_state, ct_zone;
4026 support = &ofproto_dpif_get_support(ofproto)->odp;
4027 ct_state = MINIFLOW_GET_U16(flow, ct_state);
4028 if (support->ct_state && support->ct_zone && support->ct_mark
4029 && support->ct_label && support->ct_state_nat) {
4030 return ct_state & CS_UNSUPPORTED_MASK ? OFPERR_OFPBMC_BAD_MASK : 0;
4033 ct_zone = MINIFLOW_GET_U16(flow, ct_zone);
4034 ct_mark = MINIFLOW_GET_U32(flow, ct_mark);
4035 ct_label = MINIFLOW_GET_U128(flow, ct_label);
4037 if ((ct_state && !support->ct_state)
4038 || (ct_state & CS_UNSUPPORTED_MASK)
4039 || ((ct_state & (CS_SRC_NAT | CS_DST_NAT)) && !support->ct_state_nat)
4040 || (ct_zone && !support->ct_zone)
4041 || (ct_mark && !support->ct_mark)
4042 || (!ovs_u128_is_zero(&ct_label) && !support->ct_label)) {
4043 return OFPERR_OFPBMC_BAD_MASK;
4050 check_actions(const struct ofproto_dpif *ofproto,
4051 const struct rule_actions *const actions)
4053 const struct ofpact *ofpact;
4055 OFPACT_FOR_EACH (ofpact, actions->ofpacts, actions->ofpacts_len) {
4056 const struct odp_support *support;
4057 const struct ofpact_conntrack *ct;
4058 const struct ofpact *a;
4060 if (ofpact->type != OFPACT_CT) {
4064 ct = CONTAINER_OF(ofpact, struct ofpact_conntrack, ofpact);
4065 support = &ofproto_dpif_get_support(ofproto)->odp;
4067 if (!support->ct_state) {
4068 return OFPERR_OFPBAC_BAD_TYPE;
4070 if ((ct->zone_imm || ct->zone_src.field) && !support->ct_zone) {
4071 return OFPERR_OFPBAC_BAD_ARGUMENT;
4074 OFPACT_FOR_EACH(a, ct->actions, ofpact_ct_get_action_len(ct)) {
4075 const struct mf_field *dst = ofpact_get_mf_dst(a);
4077 if (a->type == OFPACT_NAT && !support->ct_state_nat) {
4078 /* The backer doesn't seem to support the NAT bits in
4079 * 'ct_state': assume that it doesn't support the NAT
4081 return OFPERR_OFPBAC_BAD_TYPE;
4083 if (dst && ((dst->id == MFF_CT_MARK && !support->ct_mark)
4084 || (dst->id == MFF_CT_LABEL && !support->ct_label))) {
4085 return OFPERR_OFPBAC_BAD_SET_ARGUMENT;
4094 rule_check(struct rule *rule)
4096 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->ofproto);
4099 err = check_mask(ofproto, &rule->cr.match.mask->masks);
4103 return check_actions(ofproto, rule->actions);
4107 rule_construct(struct rule *rule_)
4108 OVS_NO_THREAD_SAFETY_ANALYSIS
4110 struct rule_dpif *rule = rule_dpif_cast(rule_);
4113 error = rule_check(rule_);
4118 ovs_mutex_init_adaptive(&rule->stats_mutex);
4119 rule->stats.n_packets = 0;
4120 rule->stats.n_bytes = 0;
4121 rule->stats.used = rule->up.modified;
4122 rule->recirc_id = 0;
4123 rule->new_rule = NULL;
4129 rule_insert(struct rule *rule_, struct rule *old_rule_, bool forward_stats)
4130 OVS_REQUIRES(ofproto_mutex)
4132 struct rule_dpif *rule = rule_dpif_cast(rule_);
4134 if (old_rule_ && forward_stats) {
4135 struct rule_dpif *old_rule = rule_dpif_cast(old_rule_);
4137 ovs_assert(!old_rule->new_rule);
4139 /* Take a reference to the new rule, and refer all stats updates from
4140 * the old rule to the new rule. */
4141 rule_dpif_ref(rule);
4143 ovs_mutex_lock(&old_rule->stats_mutex);
4144 ovs_mutex_lock(&rule->stats_mutex);
4145 old_rule->new_rule = rule; /* Forward future stats. */
4146 rule->stats = old_rule->stats; /* Transfer stats to the new rule. */
4147 ovs_mutex_unlock(&rule->stats_mutex);
4148 ovs_mutex_unlock(&old_rule->stats_mutex);
4151 complete_operation(rule);
4155 rule_delete(struct rule *rule_)
4156 OVS_REQUIRES(ofproto_mutex)
4158 struct rule_dpif *rule = rule_dpif_cast(rule_);
4159 complete_operation(rule);
4163 rule_destruct(struct rule *rule_)
4164 OVS_NO_THREAD_SAFETY_ANALYSIS
4166 struct rule_dpif *rule = rule_dpif_cast(rule_);
4168 ovs_mutex_destroy(&rule->stats_mutex);
4169 /* Release reference to the new rule, if any. */
4170 if (rule->new_rule) {
4171 rule_dpif_unref(rule->new_rule);
4173 if (rule->recirc_id) {
4174 recirc_free_id(rule->recirc_id);
4179 rule_get_stats(struct rule *rule_, uint64_t *packets, uint64_t *bytes,
4180 long long int *used)
4182 struct rule_dpif *rule = rule_dpif_cast(rule_);
4184 ovs_mutex_lock(&rule->stats_mutex);
4185 if (OVS_UNLIKELY(rule->new_rule)) {
4186 rule_get_stats(&rule->new_rule->up, packets, bytes, used);
4188 *packets = rule->stats.n_packets;
4189 *bytes = rule->stats.n_bytes;
4190 *used = rule->stats.used;
4192 ovs_mutex_unlock(&rule->stats_mutex);
4196 rule_dpif_execute(struct rule_dpif *rule, const struct flow *flow,
4197 struct dp_packet *packet)
4199 struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
4201 ofproto_dpif_execute_actions(ofproto, flow, rule, NULL, 0, packet);
4205 rule_execute(struct rule *rule, const struct flow *flow,
4206 struct dp_packet *packet)
4208 rule_dpif_execute(rule_dpif_cast(rule), flow, packet);
4209 dp_packet_delete(packet);
4213 static struct group_dpif *group_dpif_cast(const struct ofgroup *group)
4215 return group ? CONTAINER_OF(group, struct group_dpif, up) : NULL;
4218 static struct ofgroup *
4221 struct group_dpif *group = xzalloc(sizeof *group);
4226 group_dealloc(struct ofgroup *group_)
4228 struct group_dpif *group = group_dpif_cast(group_);
4233 group_construct_stats(struct group_dpif *group)
4234 OVS_REQUIRES(group->stats_mutex)
4236 struct ofputil_bucket *bucket;
4237 const struct ovs_list *buckets;
4239 group->packet_count = 0;
4240 group->byte_count = 0;
4242 group_dpif_get_buckets(group, &buckets);
4243 LIST_FOR_EACH (bucket, list_node, buckets) {
4244 bucket->stats.packet_count = 0;
4245 bucket->stats.byte_count = 0;
4250 group_dpif_credit_stats(struct group_dpif *group,
4251 struct ofputil_bucket *bucket,
4252 const struct dpif_flow_stats *stats)
4254 ovs_mutex_lock(&group->stats_mutex);
4255 group->packet_count += stats->n_packets;
4256 group->byte_count += stats->n_bytes;
4258 bucket->stats.packet_count += stats->n_packets;
4259 bucket->stats.byte_count += stats->n_bytes;
4260 } else { /* Credit to all buckets */
4261 const struct ovs_list *buckets;
4263 group_dpif_get_buckets(group, &buckets);
4264 LIST_FOR_EACH (bucket, list_node, buckets) {
4265 bucket->stats.packet_count += stats->n_packets;
4266 bucket->stats.byte_count += stats->n_bytes;
4269 ovs_mutex_unlock(&group->stats_mutex);
4273 group_construct(struct ofgroup *group_)
4275 struct group_dpif *group = group_dpif_cast(group_);
4277 ovs_mutex_init_adaptive(&group->stats_mutex);
4278 ovs_mutex_lock(&group->stats_mutex);
4279 group_construct_stats(group);
4280 ovs_mutex_unlock(&group->stats_mutex);
4285 group_destruct(struct ofgroup *group_)
4287 struct group_dpif *group = group_dpif_cast(group_);
4288 ovs_mutex_destroy(&group->stats_mutex);
4292 group_modify(struct ofgroup *group_)
4294 struct ofproto_dpif *ofproto = ofproto_dpif_cast(group_->ofproto);
4296 ofproto->backer->need_revalidate = REV_FLOW_TABLE;
4302 group_get_stats(const struct ofgroup *group_, struct ofputil_group_stats *ogs)
4304 struct group_dpif *group = group_dpif_cast(group_);
4305 struct ofputil_bucket *bucket;
4306 const struct ovs_list *buckets;
4307 struct bucket_counter *bucket_stats;
4309 ovs_mutex_lock(&group->stats_mutex);
4310 ogs->packet_count = group->packet_count;
4311 ogs->byte_count = group->byte_count;
4313 group_dpif_get_buckets(group, &buckets);
4314 bucket_stats = ogs->bucket_stats;
4315 LIST_FOR_EACH (bucket, list_node, buckets) {
4316 bucket_stats->packet_count = bucket->stats.packet_count;
4317 bucket_stats->byte_count = bucket->stats.byte_count;
4320 ovs_mutex_unlock(&group->stats_mutex);
4325 /* If the group exists, this function increments the groups's reference count.
4327 * Make sure to call group_dpif_unref() after no longer needing to maintain
4328 * a reference to the group. */
4330 group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id,
4331 struct group_dpif **group)
4333 struct ofgroup *ofgroup;
4336 found = ofproto_group_lookup(&ofproto->up, group_id, &ofgroup);
4337 *group = found ? group_dpif_cast(ofgroup) : NULL;
4343 group_dpif_get_buckets(const struct group_dpif *group,
4344 const struct ovs_list **buckets)
4346 *buckets = &group->up.buckets;
4349 enum ofp11_group_type
4350 group_dpif_get_type(const struct group_dpif *group)
4352 return group->up.type;
4356 group_dpif_get_selection_method(const struct group_dpif *group)
4358 return group->up.props.selection_method;
4361 /* Sends 'packet' out 'ofport'.
4362 * May modify 'packet'.
4363 * Returns 0 if successful, otherwise a positive errno value. */
4365 ofproto_dpif_send_packet(const struct ofport_dpif *ofport, struct dp_packet *packet)
4367 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
4370 error = xlate_send_packet(ofport, packet);
4372 ovs_mutex_lock(&ofproto->stats_mutex);
4373 ofproto->stats.tx_packets++;
4374 ofproto->stats.tx_bytes += dp_packet_size(packet);
4375 ovs_mutex_unlock(&ofproto->stats_mutex);
4380 group_dpif_get_selection_method_param(const struct group_dpif *group)
4382 return group->up.props.selection_method_param;
4385 const struct field_array *
4386 group_dpif_get_fields(const struct group_dpif *group)
4388 return &group->up.props.fields;
4391 /* Return the version string of the datapath that backs up
4395 get_datapath_version(const struct ofproto *ofproto_)
4397 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4399 return ofproto->backer->dp_version_string;
4403 set_frag_handling(struct ofproto *ofproto_,
4404 enum ofp_config_flags frag_handling)
4406 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4407 if (frag_handling != OFPC_FRAG_REASM) {
4408 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4416 packet_out(struct ofproto *ofproto_, struct dp_packet *packet,
4417 const struct flow *flow,
4418 const struct ofpact *ofpacts, size_t ofpacts_len)
4420 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4422 ofproto_dpif_execute_actions(ofproto, flow, NULL, ofpacts,
4423 ofpacts_len, packet);
4430 set_netflow(struct ofproto *ofproto_,
4431 const struct netflow_options *netflow_options)
4433 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4435 if (netflow_options) {
4436 if (!ofproto->netflow) {
4437 ofproto->netflow = netflow_create();
4438 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4440 return netflow_set_options(ofproto->netflow, netflow_options);
4441 } else if (ofproto->netflow) {
4442 ofproto->backer->need_revalidate = REV_RECONFIGURE;
4443 netflow_unref(ofproto->netflow);
4444 ofproto->netflow = NULL;
4451 get_netflow_ids(const struct ofproto *ofproto_,
4452 uint8_t *engine_type, uint8_t *engine_id)
4454 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
4456 dpif_get_netflow_ids(ofproto->backer->dpif, engine_type, engine_id);
4459 static struct ofproto_dpif *
4460 ofproto_dpif_lookup(const char *name)
4462 struct ofproto_dpif *ofproto;
4464 HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
4465 hash_string(name, 0), &all_ofproto_dpifs) {
4466 if (!strcmp(ofproto->up.name, name)) {
4474 ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
4475 const char *argv[], void *aux OVS_UNUSED)
4477 struct ofproto_dpif *ofproto;
4480 ofproto = ofproto_dpif_lookup(argv[1]);
4482 unixctl_command_reply_error(conn, "no such bridge");
4485 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4486 mac_learning_flush(ofproto->ml);
4487 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4489 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4490 ovs_rwlock_wrlock(&ofproto->ml->rwlock);
4491 mac_learning_flush(ofproto->ml);
4492 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4496 unixctl_command_reply(conn, "table successfully flushed");
4500 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn *conn, int argc,
4501 const char *argv[], void *aux OVS_UNUSED)
4503 struct ofproto_dpif *ofproto;
4506 ofproto = ofproto_dpif_lookup(argv[1]);
4508 unixctl_command_reply_error(conn, "no such bridge");
4512 if (!mcast_snooping_enabled(ofproto->ms)) {
4513 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4516 mcast_snooping_mdb_flush(ofproto->ms);
4518 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
4519 if (!mcast_snooping_enabled(ofproto->ms)) {
4522 mcast_snooping_mdb_flush(ofproto->ms);
4526 unixctl_command_reply(conn, "table successfully flushed");
4529 static struct ofport_dpif *
4530 ofbundle_get_a_port(const struct ofbundle *bundle)
4532 return CONTAINER_OF(list_front(&bundle->ports), struct ofport_dpif,
4537 ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
4538 const char *argv[], void *aux OVS_UNUSED)
4540 struct ds ds = DS_EMPTY_INITIALIZER;
4541 const struct ofproto_dpif *ofproto;
4542 const struct mac_entry *e;
4544 ofproto = ofproto_dpif_lookup(argv[1]);
4546 unixctl_command_reply_error(conn, "no such bridge");
4550 ds_put_cstr(&ds, " port VLAN MAC Age\n");
4551 ovs_rwlock_rdlock(&ofproto->ml->rwlock);
4552 LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
4553 struct ofbundle *bundle = mac_entry_get_port(ofproto->ml, e);
4554 char name[OFP_MAX_PORT_NAME_LEN];
4556 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4558 ds_put_format(&ds, "%5s %4d "ETH_ADDR_FMT" %3d\n",
4559 name, e->vlan, ETH_ADDR_ARGS(e->mac),
4560 mac_entry_age(ofproto->ml, e));
4562 ovs_rwlock_unlock(&ofproto->ml->rwlock);
4563 unixctl_command_reply(conn, ds_cstr(&ds));
4568 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn *conn,
4569 int argc OVS_UNUSED,
4571 void *aux OVS_UNUSED)
4573 struct ds ds = DS_EMPTY_INITIALIZER;
4574 const struct ofproto_dpif *ofproto;
4575 const struct ofbundle *bundle;
4576 const struct mcast_group *grp;
4577 struct mcast_group_bundle *b;
4578 struct mcast_mrouter_bundle *mrouter;
4580 ofproto = ofproto_dpif_lookup(argv[1]);
4582 unixctl_command_reply_error(conn, "no such bridge");
4586 if (!mcast_snooping_enabled(ofproto->ms)) {
4587 unixctl_command_reply_error(conn, "multicast snooping is disabled");
4591 ds_put_cstr(&ds, " port VLAN GROUP Age\n");
4592 ovs_rwlock_rdlock(&ofproto->ms->rwlock);
4593 LIST_FOR_EACH (grp, group_node, &ofproto->ms->group_lru) {
4594 LIST_FOR_EACH(b, bundle_node, &grp->bundle_lru) {
4595 char name[OFP_MAX_PORT_NAME_LEN];
4598 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4600 ds_put_format(&ds, "%5s %4d ", name, grp->vlan);
4601 ipv6_format_mapped(&grp->addr, &ds);
4602 ds_put_format(&ds, " %3d\n",
4603 mcast_bundle_age(ofproto->ms, b));
4607 /* ports connected to multicast routers */
4608 LIST_FOR_EACH(mrouter, mrouter_node, &ofproto->ms->mrouter_lru) {
4609 char name[OFP_MAX_PORT_NAME_LEN];
4611 bundle = mrouter->port;
4612 ofputil_port_to_string(ofbundle_get_a_port(bundle)->up.ofp_port,
4614 ds_put_format(&ds, "%5s %4d querier %3d\n",
4615 name, mrouter->vlan,
4616 mcast_mrouter_age(ofproto->ms, mrouter));
4618 ovs_rwlock_unlock(&ofproto->ms->rwlock);
4619 unixctl_command_reply(conn, ds_cstr(&ds));
4624 struct xlate_out xout;
4625 struct xlate_in xin;
4626 const struct flow *key;
4629 struct flow_wildcards wc;
4630 struct ofpbuf odp_actions;
4634 trace_format_rule(struct ds *result, int level, const struct rule_dpif *rule)
4636 const struct rule_actions *actions;
4639 ds_put_char_multiple(result, '\t', level);
4641 ds_put_cstr(result, "No match\n");
4645 ovs_mutex_lock(&rule->up.mutex);
4646 cookie = rule->up.flow_cookie;
4647 ovs_mutex_unlock(&rule->up.mutex);
4649 ds_put_format(result, "Rule: table=%"PRIu8" cookie=%#"PRIx64" ",
4650 rule ? rule->up.table_id : 0, ntohll(cookie));
4651 cls_rule_format(&rule->up.cr, result);
4652 ds_put_char(result, '\n');
4654 actions = rule_dpif_get_actions(rule);
4656 ds_put_char_multiple(result, '\t', level);
4657 ds_put_cstr(result, "OpenFlow actions=");
4658 ofpacts_format(actions->ofpacts, actions->ofpacts_len, result);
4659 ds_put_char(result, '\n');
4663 trace_format_flow(struct ds *result, int level, const char *title,
4664 struct trace_ctx *trace)
4666 ds_put_char_multiple(result, '\t', level);
4667 ds_put_format(result, "%s: ", title);
4668 /* Do not report unchanged flows for resubmits. */
4669 if ((level > 0 && flow_equal(&trace->xin.flow, &trace->flow))
4670 || (level == 0 && flow_equal(&trace->xin.flow, trace->key))) {
4671 ds_put_cstr(result, "unchanged");
4673 flow_format(result, &trace->xin.flow);
4674 trace->flow = trace->xin.flow;
4676 ds_put_char(result, '\n');
4680 trace_format_regs(struct ds *result, int level, const char *title,
4681 struct trace_ctx *trace)
4685 ds_put_char_multiple(result, '\t', level);
4686 ds_put_format(result, "%s:", title);
4687 for (i = 0; i < FLOW_N_REGS; i++) {
4688 ds_put_format(result, " reg%"PRIuSIZE"=0x%"PRIx32, i, trace->flow.regs[i]);
4690 ds_put_char(result, '\n');
4694 trace_format_odp(struct ds *result, int level, const char *title,
4695 struct trace_ctx *trace)
4697 struct ofpbuf *odp_actions = &trace->odp_actions;
4699 ds_put_char_multiple(result, '\t', level);
4700 ds_put_format(result, "%s: ", title);
4701 format_odp_actions(result, odp_actions->data, odp_actions->size);
4702 ds_put_char(result, '\n');
4706 trace_format_megaflow(struct ds *result, int level, const char *title,
4707 struct trace_ctx *trace)
4711 ds_put_char_multiple(result, '\t', level);
4712 ds_put_format(result, "%s: ", title);
4713 match_init(&match, trace->key, &trace->wc);
4714 match_format(&match, result, OFP_DEFAULT_PRIORITY);
4715 ds_put_char(result, '\n');
4718 static void trace_report(struct xlate_in *, int recurse,
4719 const char *format, ...)
4720 OVS_PRINTF_FORMAT(3, 4);
4721 static void trace_report_valist(struct xlate_in *, int recurse,
4722 const char *format, va_list args)
4723 OVS_PRINTF_FORMAT(3, 0);
4726 trace_resubmit(struct xlate_in *xin, struct rule_dpif *rule, int recurse)
4728 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4729 struct ds *result = trace->result;
4732 if (rule == xin->ofproto->miss_rule) {
4733 trace_report(xin, recurse,
4734 "No match, flow generates \"packet in\"s.");
4735 } else if (rule == xin->ofproto->no_packet_in_rule) {
4736 trace_report(xin, recurse, "No match, packets dropped because "
4737 "OFPPC_NO_PACKET_IN is set on in_port.");
4738 } else if (rule == xin->ofproto->drop_frags_rule) {
4739 trace_report(xin, recurse, "Packets dropped because they are IP "
4740 "fragments and the fragment handling mode is "
4745 ds_put_char(result, '\n');
4747 trace_format_flow(result, recurse, "Resubmitted flow", trace);
4748 trace_format_regs(result, recurse, "Resubmitted regs", trace);
4749 trace_format_odp(result, recurse, "Resubmitted odp", trace);
4750 trace_format_megaflow(result, recurse, "Resubmitted megaflow", trace);
4752 trace_format_rule(result, recurse, rule);
4756 trace_report_valist(struct xlate_in *xin, int recurse,
4757 const char *format, va_list args)
4759 struct trace_ctx *trace = CONTAINER_OF(xin, struct trace_ctx, xin);
4760 struct ds *result = trace->result;
4762 ds_put_char_multiple(result, '\t', recurse);
4763 ds_put_format_valist(result, format, args);
4764 ds_put_char(result, '\n');
4768 trace_report(struct xlate_in *xin, int recurse, const char *format, ...)
4772 va_start(args, format);
4773 trace_report_valist(xin, recurse, format, args);
4777 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4778 * forms are supported:
4780 * - [dpname] odp_flow [-generate | packet]
4781 * - bridge br_flow [-generate | packet]
4783 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4784 * returns a nonnull malloced error message. */
4785 static char * OVS_WARN_UNUSED_RESULT
4786 parse_flow_and_packet(int argc, const char *argv[],
4787 struct ofproto_dpif **ofprotop, struct flow *flow,
4788 struct dp_packet **packetp)
4790 const struct dpif_backer *backer = NULL;
4791 const char *error = NULL;
4793 struct simap port_names = SIMAP_INITIALIZER(&port_names);
4794 struct dp_packet *packet;
4795 struct ofpbuf odp_key;
4796 struct ofpbuf odp_mask;
4798 ofpbuf_init(&odp_key, 0);
4799 ofpbuf_init(&odp_mask, 0);
4801 /* Handle "-generate" or a hex string as the last argument. */
4802 if (!strcmp(argv[argc - 1], "-generate")) {
4803 packet = dp_packet_new(0);
4806 error = eth_from_hex(argv[argc - 1], &packet);
4809 } else if (argc == 4) {
4810 /* The 3-argument form must end in "-generate' or a hex string. */
4816 /* odp_flow can have its in_port specified as a name instead of port no.
4817 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4818 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4819 * we need to create a simap of name to port no. */
4821 const char *dp_type;
4822 if (!strncmp(argv[1], "ovs-", 4)) {
4823 dp_type = argv[1] + 4;
4827 backer = shash_find_data(&all_dpif_backers, dp_type);
4828 } else if (argc == 2) {
4829 struct shash_node *node;
4830 if (shash_count(&all_dpif_backers) == 1) {
4831 node = shash_first(&all_dpif_backers);
4832 backer = node->data;
4835 error = "Syntax error";
4838 if (backer && backer->dpif) {
4839 struct dpif_port dpif_port;
4840 struct dpif_port_dump port_dump;
4841 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, backer->dpif) {
4842 simap_put(&port_names, dpif_port.name,
4843 odp_to_u32(dpif_port.port_no));
4847 /* Parse the flow and determine whether a datapath or
4848 * bridge is specified. If function odp_flow_key_from_string()
4849 * returns 0, the flow is a odp_flow. If function
4850 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4851 if (!odp_flow_from_string(argv[argc - 1], &port_names,
4852 &odp_key, &odp_mask)) {
4854 error = "Cannot find the datapath";
4858 if (odp_flow_key_to_flow(odp_key.data, odp_key.size, flow) == ODP_FIT_ERROR) {
4859 error = "Failed to parse datapath flow key";
4863 *ofprotop = xlate_lookup_ofproto(backer, flow,
4864 &flow->in_port.ofp_port);
4865 if (*ofprotop == NULL) {
4866 error = "Invalid datapath flow";
4870 vsp_adjust_flow(*ofprotop, flow, NULL);
4873 char *err = parse_ofp_exact_flow(flow, NULL, argv[argc - 1], NULL);
4876 m_err = xasprintf("Bad openflow flow syntax: %s", err);
4881 error = "Must specify bridge name";
4885 *ofprotop = ofproto_dpif_lookup(argv[1]);
4887 error = "Unknown bridge name";
4893 /* Generate a packet, if requested. */
4895 if (!dp_packet_size(packet)) {
4896 flow_compose(packet, flow);
4898 /* Use the metadata from the flow and the packet argument
4899 * to reconstruct the flow. */
4900 pkt_metadata_from_flow(&packet->md, flow);
4901 flow_extract(packet, flow);
4906 if (error && !m_err) {
4907 m_err = xstrdup(error);
4910 dp_packet_delete(packet);
4914 ofpbuf_uninit(&odp_key);
4915 ofpbuf_uninit(&odp_mask);
4916 simap_destroy(&port_names);
4921 ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
4922 void *aux OVS_UNUSED)
4924 struct ofproto_dpif *ofproto;
4925 struct dp_packet *packet;
4929 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4934 ofproto_trace(ofproto, &flow, packet, NULL, 0, &result);
4935 unixctl_command_reply(conn, ds_cstr(&result));
4936 ds_destroy(&result);
4937 dp_packet_delete(packet);
4939 unixctl_command_reply_error(conn, error);
4945 ofproto_unixctl_trace_actions(struct unixctl_conn *conn, int argc,
4946 const char *argv[], void *aux OVS_UNUSED)
4948 enum ofputil_protocol usable_protocols;
4949 struct ofproto_dpif *ofproto;
4950 bool enforce_consistency;
4951 struct ofpbuf ofpacts;
4952 struct dp_packet *packet;
4957 /* Three kinds of error return values! */
4963 ofpbuf_init(&ofpacts, 0);
4965 /* Parse actions. */
4966 error = ofpacts_parse_actions(argv[--argc], &ofpacts, &usable_protocols);
4968 unixctl_command_reply_error(conn, error);
4973 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4974 * consistency between the flow and the actions. With -consistent, we
4975 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4976 if (!strcmp(argv[1], "-consistent")) {
4977 enforce_consistency = true;
4981 enforce_consistency = false;
4984 error = parse_flow_and_packet(argc, argv, &ofproto, &flow, &packet);
4986 unixctl_command_reply_error(conn, error);
4991 /* Do the same checks as handle_packet_out() in ofproto.c.
4993 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4994 * strictly correct because these actions aren't in any table, but it's OK
4995 * because it 'table_id' is used only to check goto_table instructions, but
4996 * packet-outs take a list of actions and therefore it can't include
4999 * We skip the "meter" check here because meter is an instruction, not an
5000 * action, and thus cannot appear in ofpacts. */
5001 in_port = ofp_to_u16(flow.in_port.ofp_port);
5002 if (in_port >= ofproto->up.max_ports && in_port < ofp_to_u16(OFPP_MAX)) {
5003 unixctl_command_reply_error(conn, "invalid in_port");
5006 if (enforce_consistency) {
5007 retval = ofpacts_check_consistency(ofpacts.data, ofpacts.size, &flow,
5008 u16_to_ofp(ofproto->up.max_ports),
5009 0, ofproto->up.n_tables,
5012 retval = ofpacts_check(ofpacts.data, ofpacts.size, &flow,
5013 u16_to_ofp(ofproto->up.max_ports), 0,
5014 ofproto->up.n_tables, &usable_protocols);
5017 retval = ofproto_check_ofpacts(&ofproto->up, ofpacts.data,
5023 ds_put_format(&result, "Bad actions: %s", ofperr_to_string(retval));
5024 unixctl_command_reply_error(conn, ds_cstr(&result));
5028 ofproto_trace(ofproto, &flow, packet,
5029 ofpacts.data, ofpacts.size, &result);
5030 unixctl_command_reply(conn, ds_cstr(&result));
5033 ds_destroy(&result);
5034 dp_packet_delete(packet);
5035 ofpbuf_uninit(&ofpacts);
5038 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
5039 * description of the results to 'ds'.
5041 * The trace follows a packet with the specified 'flow' through the flow
5042 * table. 'packet' may be nonnull to trace an actual packet, with consequent
5043 * side effects (if it is nonnull then its flow must be 'flow').
5045 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
5046 * trace, otherwise the actions are determined by a flow table lookup. */
5048 ofproto_trace(struct ofproto_dpif *ofproto, struct flow *flow,
5049 const struct dp_packet *packet,
5050 const struct ofpact ofpacts[], size_t ofpacts_len,
5053 struct trace_ctx trace;
5054 enum xlate_error error;
5056 ds_put_format(ds, "Bridge: %s\n", ofproto->up.name);
5057 ds_put_cstr(ds, "Flow: ");
5058 flow_format(ds, flow);
5059 ds_put_char(ds, '\n');
5061 ofpbuf_init(&trace.odp_actions, 0);
5064 trace.key = flow; /* Original flow key, used for megaflow. */
5065 trace.flow = *flow; /* May be modified by actions. */
5066 xlate_in_init(&trace.xin, ofproto, flow, flow->in_port.ofp_port, NULL,
5067 ntohs(flow->tcp_flags), packet, &trace.wc,
5068 &trace.odp_actions);
5069 trace.xin.ofpacts = ofpacts;
5070 trace.xin.ofpacts_len = ofpacts_len;
5071 trace.xin.resubmit_hook = trace_resubmit;
5072 trace.xin.report_hook = trace_report_valist;
5074 error = xlate_actions(&trace.xin, &trace.xout);
5075 ds_put_char(ds, '\n');
5076 trace_format_flow(ds, 0, "Final flow", &trace);
5077 trace_format_megaflow(ds, 0, "Megaflow", &trace);
5079 ds_put_cstr(ds, "Datapath actions: ");
5080 format_odp_actions(ds, trace.odp_actions.data, trace.odp_actions.size);
5082 if (error != XLATE_OK) {
5083 ds_put_format(ds, "\nTranslation failed (%s), packet is dropped.\n",
5084 xlate_strerror(error));
5085 } else if (trace.xout.slow) {
5086 enum slow_path_reason slow;
5088 ds_put_cstr(ds, "\nThis flow is handled by the userspace "
5089 "slow path because it:");
5091 slow = trace.xout.slow;
5093 enum slow_path_reason bit = rightmost_1bit(slow);
5095 ds_put_format(ds, "\n\t- %s.",
5096 slow_path_reason_to_explanation(bit));
5102 xlate_out_uninit(&trace.xout);
5103 ofpbuf_uninit(&trace.odp_actions);
5106 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5107 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5108 * to destroy 'ofproto_shash' and free the returned value. */
5109 static const struct shash_node **
5110 get_ofprotos(struct shash *ofproto_shash)
5112 const struct ofproto_dpif *ofproto;
5114 HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
5115 char *name = xasprintf("%s@%s", ofproto->up.type, ofproto->up.name);
5116 shash_add_nocopy(ofproto_shash, name, ofproto);
5119 return shash_sort(ofproto_shash);
5123 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn *conn, int argc OVS_UNUSED,
5124 const char *argv[] OVS_UNUSED,
5125 void *aux OVS_UNUSED)
5127 struct ds ds = DS_EMPTY_INITIALIZER;
5128 struct shash ofproto_shash;
5129 const struct shash_node **sorted_ofprotos;
5132 shash_init(&ofproto_shash);
5133 sorted_ofprotos = get_ofprotos(&ofproto_shash);
5134 for (i = 0; i < shash_count(&ofproto_shash); i++) {
5135 const struct shash_node *node = sorted_ofprotos[i];
5136 ds_put_format(&ds, "%s\n", node->name);
5139 shash_destroy(&ofproto_shash);
5140 free(sorted_ofprotos);
5142 unixctl_command_reply(conn, ds_cstr(&ds));
5147 dpif_show_backer(const struct dpif_backer *backer, struct ds *ds)
5149 const struct shash_node **ofprotos;
5150 struct dpif_dp_stats dp_stats;
5151 struct shash ofproto_shash;
5154 dpif_get_dp_stats(backer->dpif, &dp_stats);
5156 ds_put_format(ds, "%s: hit:%"PRIu64" missed:%"PRIu64"\n",
5157 dpif_name(backer->dpif), dp_stats.n_hit, dp_stats.n_missed);
5159 shash_init(&ofproto_shash);
5160 ofprotos = get_ofprotos(&ofproto_shash);
5161 for (i = 0; i < shash_count(&ofproto_shash); i++) {
5162 struct ofproto_dpif *ofproto = ofprotos[i]->data;
5163 const struct shash_node **ports;
5166 if (ofproto->backer != backer) {
5170 ds_put_format(ds, "\t%s:\n", ofproto->up.name);
5172 ports = shash_sort(&ofproto->up.port_by_name);
5173 for (j = 0; j < shash_count(&ofproto->up.port_by_name); j++) {
5174 const struct shash_node *node = ports[j];
5175 struct ofport *ofport = node->data;
5177 odp_port_t odp_port;
5179 ds_put_format(ds, "\t\t%s %u/", netdev_get_name(ofport->netdev),
5182 odp_port = ofp_port_to_odp_port(ofproto, ofport->ofp_port);
5183 if (odp_port != ODPP_NONE) {
5184 ds_put_format(ds, "%"PRIu32":", odp_port);
5186 ds_put_cstr(ds, "none:");
5189 ds_put_format(ds, " (%s", netdev_get_type(ofport->netdev));
5192 if (!netdev_get_config(ofport->netdev, &config)) {
5193 const struct smap_node **nodes;
5196 nodes = smap_sort(&config);
5197 for (i = 0; i < smap_count(&config); i++) {
5198 const struct smap_node *node = nodes[i];
5199 ds_put_format(ds, "%c %s=%s", i ? ',' : ':',
5200 node->key, node->value);
5204 smap_destroy(&config);
5206 ds_put_char(ds, ')');
5207 ds_put_char(ds, '\n');
5211 shash_destroy(&ofproto_shash);
5216 ofproto_unixctl_dpif_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
5217 const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
5219 struct ds ds = DS_EMPTY_INITIALIZER;
5220 const struct shash_node **backers;
5223 backers = shash_sort(&all_dpif_backers);
5224 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5225 dpif_show_backer(backers[i]->data, &ds);
5229 unixctl_command_reply(conn, ds_cstr(&ds));
5234 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn *conn,
5235 int argc OVS_UNUSED, const char *argv[],
5236 void *aux OVS_UNUSED)
5238 const struct ofproto_dpif *ofproto;
5240 struct ds ds = DS_EMPTY_INITIALIZER;
5241 bool verbosity = false;
5243 struct dpif_port dpif_port;
5244 struct dpif_port_dump port_dump;
5245 struct hmap portno_names;
5247 struct dpif_flow_dump *flow_dump;
5248 struct dpif_flow_dump_thread *flow_dump_thread;
5252 ofproto = ofproto_dpif_lookup(argv[argc - 1]);
5254 unixctl_command_reply_error(conn, "no such bridge");
5258 if (argc > 2 && !strcmp(argv[1], "-m")) {
5262 hmap_init(&portno_names);
5263 DPIF_PORT_FOR_EACH (&dpif_port, &port_dump, ofproto->backer->dpif) {
5264 odp_portno_names_set(&portno_names, dpif_port.port_no, dpif_port.name);
5268 flow_dump = dpif_flow_dump_create(ofproto->backer->dpif, false);
5269 flow_dump_thread = dpif_flow_dump_thread_create(flow_dump);
5270 while (dpif_flow_dump_next(flow_dump_thread, &f, 1)) {
5273 if (odp_flow_key_to_flow(f.key, f.key_len, &flow) == ODP_FIT_ERROR
5274 || xlate_lookup_ofproto(ofproto->backer, &flow, NULL) != ofproto) {
5279 odp_format_ufid(&f.ufid, &ds);
5280 ds_put_cstr(&ds, " ");
5282 odp_flow_format(f.key, f.key_len, f.mask, f.mask_len,
5283 &portno_names, &ds, verbosity);
5284 ds_put_cstr(&ds, ", ");
5285 dpif_flow_stats_format(&f.stats, &ds);
5286 ds_put_cstr(&ds, ", actions:");
5287 format_odp_actions(&ds, f.actions, f.actions_len);
5288 ds_put_char(&ds, '\n');
5290 dpif_flow_dump_thread_destroy(flow_dump_thread);
5291 error = dpif_flow_dump_destroy(flow_dump);
5295 ds_put_format(&ds, "dpif/dump_flows failed: %s", ovs_strerror(errno));
5296 unixctl_command_reply_error(conn, ds_cstr(&ds));
5298 unixctl_command_reply(conn, ds_cstr(&ds));
5300 odp_portno_names_destroy(&portno_names);
5301 hmap_destroy(&portno_names);
5306 ofproto_revalidate_all_backers(void)
5308 const struct shash_node **backers;
5311 backers = shash_sort(&all_dpif_backers);
5312 for (i = 0; i < shash_count(&all_dpif_backers); i++) {
5313 struct dpif_backer *backer = backers[i]->data;
5314 backer->need_revalidate = REV_RECONFIGURE;
5320 disable_tnl_push_pop(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
5321 const char *argv[], void *aux OVS_UNUSED)
5323 if (!strcasecmp(argv[1], "off")) {
5324 ofproto_use_tnl_push_pop = false;
5325 unixctl_command_reply(conn, "Tunnel push-pop off");
5326 ofproto_revalidate_all_backers();
5327 } else if (!strcasecmp(argv[1], "on")) {
5328 ofproto_use_tnl_push_pop = true;
5329 unixctl_command_reply(conn, "Tunnel push-pop on");
5330 ofproto_revalidate_all_backers();
5332 unixctl_command_reply_error(conn, "Invalid argument");
5337 ofproto_unixctl_init(void)
5339 static bool registered;
5345 unixctl_command_register(
5347 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5348 1, 3, ofproto_unixctl_trace, NULL);
5349 unixctl_command_register(
5350 "ofproto/trace-packet-out",
5351 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5352 2, 6, ofproto_unixctl_trace_actions, NULL);
5353 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5354 ofproto_unixctl_fdb_flush, NULL);
5355 unixctl_command_register("fdb/show", "bridge", 1, 1,
5356 ofproto_unixctl_fdb_show, NULL);
5357 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5358 ofproto_unixctl_mcast_snooping_flush, NULL);
5359 unixctl_command_register("mdb/show", "bridge", 1, 1,
5360 ofproto_unixctl_mcast_snooping_show, NULL);
5361 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5362 ofproto_unixctl_dpif_dump_dps, NULL);
5363 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show,
5365 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5366 ofproto_unixctl_dpif_dump_flows, NULL);
5368 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5369 disable_tnl_push_pop, NULL);
5372 /* Returns true if 'table' is the table used for internal rules,
5373 * false otherwise. */
5375 table_is_internal(uint8_t table_id)
5377 return table_id == TBL_INTERNAL;
5380 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5382 * This is deprecated. It is only for compatibility with broken device drivers
5383 * in old versions of Linux that do not properly support VLANs when VLAN
5384 * devices are not used. When broken device drivers are no longer in
5385 * widespread use, we will delete these interfaces. */
5388 set_realdev(struct ofport *ofport_, ofp_port_t realdev_ofp_port, int vid)
5390 struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
5391 struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
5393 if (realdev_ofp_port == ofport->realdev_ofp_port
5394 && vid == ofport->vlandev_vid) {
5398 ofproto->backer->need_revalidate = REV_RECONFIGURE;
5400 if (ofport->realdev_ofp_port) {
5403 if (realdev_ofp_port && ofport->bundle) {
5404 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5405 * themselves be part of a bundle. */
5406 bundle_set(ofport_->ofproto, ofport->bundle, NULL);
5409 ofport->realdev_ofp_port = realdev_ofp_port;
5410 ofport->vlandev_vid = vid;
5412 if (realdev_ofp_port) {
5413 vsp_add(ofport, realdev_ofp_port, vid);
5420 hash_realdev_vid(ofp_port_t realdev_ofp_port, int vid)
5422 return hash_2words(ofp_to_u16(realdev_ofp_port), vid);
5426 ofproto_has_vlan_splinters(const struct ofproto_dpif *ofproto)
5427 OVS_EXCLUDED(ofproto->vsp_mutex)
5429 /* hmap_is_empty is thread safe. */
5430 return !hmap_is_empty(&ofproto->realdev_vid_map);
5435 vsp_realdev_to_vlandev__(const struct ofproto_dpif *ofproto,
5436 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5437 OVS_REQUIRES(ofproto->vsp_mutex)
5439 if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
5440 int vid = vlan_tci_to_vid(vlan_tci);
5441 const struct vlan_splinter *vsp;
5443 HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
5444 hash_realdev_vid(realdev_ofp_port, vid),
5445 &ofproto->realdev_vid_map) {
5446 if (vsp->realdev_ofp_port == realdev_ofp_port
5447 && vsp->vid == vid) {
5448 return vsp->vlandev_ofp_port;
5452 return realdev_ofp_port;
5455 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5456 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5457 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5458 * 'vlan_tci' 9, it would return the port number of eth0.9.
5460 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5461 * function just returns its 'realdev_ofp_port' argument. */
5463 vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
5464 ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci)
5465 OVS_EXCLUDED(ofproto->vsp_mutex)
5469 /* hmap_is_empty is thread safe, see if we can return immediately. */
5470 if (hmap_is_empty(&ofproto->realdev_vid_map)) {
5471 return realdev_ofp_port;
5473 ovs_mutex_lock(&ofproto->vsp_mutex);
5474 ret = vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, vlan_tci);
5475 ovs_mutex_unlock(&ofproto->vsp_mutex);
5479 static struct vlan_splinter *
5480 vlandev_find(const struct ofproto_dpif *ofproto, ofp_port_t vlandev_ofp_port)
5482 struct vlan_splinter *vsp;
5484 HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node,
5485 hash_ofp_port(vlandev_ofp_port),
5486 &ofproto->vlandev_map) {
5487 if (vsp->vlandev_ofp_port == vlandev_ofp_port) {
5495 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5496 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5497 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5498 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5499 * eth0 and store 9 in '*vid'.
5501 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5502 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5505 vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
5506 ofp_port_t vlandev_ofp_port, int *vid)
5507 OVS_REQUIRES(ofproto->vsp_mutex)
5509 if (!hmap_is_empty(&ofproto->vlandev_map)) {
5510 const struct vlan_splinter *vsp;
5512 vsp = vlandev_find(ofproto, vlandev_ofp_port);
5517 return vsp->realdev_ofp_port;
5523 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5524 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5525 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5526 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5527 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5528 * case unless VLAN splinters are enabled), returns false without making any
5531 vsp_adjust_flow(const struct ofproto_dpif *ofproto, struct flow *flow,
5532 struct dp_packet *packet)
5533 OVS_EXCLUDED(ofproto->vsp_mutex)
5538 /* hmap_is_empty is thread safe. */
5539 if (hmap_is_empty(&ofproto->vlandev_map)) {
5543 ovs_mutex_lock(&ofproto->vsp_mutex);
5544 realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port.ofp_port, &vid);
5545 ovs_mutex_unlock(&ofproto->vsp_mutex);
5550 /* Cause the flow to be processed as if it came in on the real device with
5551 * the VLAN device's VLAN ID. */
5552 flow->in_port.ofp_port = realdev;
5553 flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
5556 /* Make the packet resemble the flow, so that it gets sent to an
5557 * OpenFlow controller properly, so that it looks correct for sFlow,
5558 * and so that flow_extract() will get the correct vlan_tci if it is
5559 * called on 'packet'. */
5560 eth_push_vlan(packet, htons(ETH_TYPE_VLAN), flow->vlan_tci);
5567 vsp_remove(struct ofport_dpif *port)
5569 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5570 struct vlan_splinter *vsp;
5572 ovs_mutex_lock(&ofproto->vsp_mutex);
5573 vsp = vlandev_find(ofproto, port->up.ofp_port);
5575 hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node);
5576 hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node);
5579 port->realdev_ofp_port = 0;
5581 VLOG_ERR("missing vlan device record");
5583 ovs_mutex_unlock(&ofproto->vsp_mutex);
5587 vsp_add(struct ofport_dpif *port, ofp_port_t realdev_ofp_port, int vid)
5589 struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
5591 ovs_mutex_lock(&ofproto->vsp_mutex);
5592 if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL)
5593 && (vsp_realdev_to_vlandev__(ofproto, realdev_ofp_port, htons(vid))
5594 == realdev_ofp_port)) {
5595 struct vlan_splinter *vsp;
5597 vsp = xmalloc(sizeof *vsp);
5598 vsp->realdev_ofp_port = realdev_ofp_port;
5599 vsp->vlandev_ofp_port = port->up.ofp_port;
5602 port->realdev_ofp_port = realdev_ofp_port;
5604 hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node,
5605 hash_ofp_port(port->up.ofp_port));
5606 hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node,
5607 hash_realdev_vid(realdev_ofp_port, vid));
5609 VLOG_ERR("duplicate vlan device record");
5611 ovs_mutex_unlock(&ofproto->vsp_mutex);
5615 ofp_port_to_odp_port(const struct ofproto_dpif *ofproto, ofp_port_t ofp_port)
5617 const struct ofport_dpif *ofport = ofp_port_to_ofport(ofproto, ofp_port);
5618 return ofport ? ofport->odp_port : ODPP_NONE;
5621 struct ofport_dpif *
5622 odp_port_to_ofport(const struct dpif_backer *backer, odp_port_t odp_port)
5624 struct ofport_dpif *port;
5626 ovs_rwlock_rdlock(&backer->odp_to_ofport_lock);
5627 HMAP_FOR_EACH_IN_BUCKET (port, odp_port_node, hash_odp_port(odp_port),
5628 &backer->odp_to_ofport_map) {
5629 if (port->odp_port == odp_port) {
5630 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5635 ovs_rwlock_unlock(&backer->odp_to_ofport_lock);
5640 odp_port_to_ofp_port(const struct ofproto_dpif *ofproto, odp_port_t odp_port)
5642 struct ofport_dpif *port;
5644 port = odp_port_to_ofport(ofproto->backer, odp_port);
5645 if (port && &ofproto->up == port->up.ofproto) {
5646 return port->up.ofp_port;
5653 ofproto_dpif_add_internal_flow(struct ofproto_dpif *ofproto,
5654 const struct match *match, int priority,
5655 uint16_t idle_timeout,
5656 const struct ofpbuf *ofpacts,
5657 struct rule **rulep)
5659 struct ofproto_flow_mod ofm;
5660 struct rule_dpif *rule;
5663 ofm.fm.match = *match;
5664 ofm.fm.priority = priority;
5665 ofm.fm.new_cookie = htonll(0);
5666 ofm.fm.cookie = htonll(0);
5667 ofm.fm.cookie_mask = htonll(0);
5668 ofm.fm.modify_cookie = false;
5669 ofm.fm.table_id = TBL_INTERNAL;
5670 ofm.fm.command = OFPFC_ADD;
5671 ofm.fm.idle_timeout = idle_timeout;
5672 ofm.fm.hard_timeout = 0;
5673 ofm.fm.importance = 0;
5674 ofm.fm.buffer_id = 0;
5675 ofm.fm.out_port = 0;
5676 ofm.fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5677 ofm.fm.ofpacts = ofpacts->data;
5678 ofm.fm.ofpacts_len = ofpacts->size;
5679 ofm.fm.delete_reason = OVS_OFPRR_NONE;
5681 error = ofproto_flow_mod(&ofproto->up, &ofm);
5683 VLOG_ERR_RL(&rl, "failed to add internal flow (%s)",
5684 ofperr_to_string(error));
5689 rule = rule_dpif_lookup_in_table(ofproto,
5690 ofproto_dpif_get_tables_version(ofproto),
5691 TBL_INTERNAL, &ofm.fm.match.flow,
5702 ofproto_dpif_delete_internal_flow(struct ofproto_dpif *ofproto,
5703 struct match *match, int priority)
5705 struct ofproto_flow_mod ofm;
5708 ofm.fm.match = *match;
5709 ofm.fm.priority = priority;
5710 ofm.fm.new_cookie = htonll(0);
5711 ofm.fm.cookie = htonll(0);
5712 ofm.fm.cookie_mask = htonll(0);
5713 ofm.fm.modify_cookie = false;
5714 ofm.fm.table_id = TBL_INTERNAL;
5715 ofm.fm.flags = OFPUTIL_FF_HIDDEN_FIELDS | OFPUTIL_FF_NO_READONLY;
5716 ofm.fm.command = OFPFC_DELETE_STRICT;
5718 error = ofproto_flow_mod(&ofproto->up, &ofm);
5720 VLOG_ERR_RL(&rl, "failed to delete internal flow (%s)",
5721 ofperr_to_string(error));
5728 const struct ofproto_class ofproto_dpif_class = {
5742 NULL, /* get_memory_usage. */
5743 type_get_memory_usage,
5762 port_is_lacp_current,
5763 port_get_lacp_stats,
5764 NULL, /* rule_choose_table */
5788 aa_vlan_get_queue_size,
5795 get_stp_port_status,
5800 get_rstp_port_status,
5807 is_mirror_output_bundle,
5808 forward_bpdu_changed,
5809 set_mac_table_config,
5811 set_mcast_snooping_port,
5813 NULL, /* meter_get_features */
5814 NULL, /* meter_set */
5815 NULL, /* meter_get */
5816 NULL, /* meter_del */
5817 group_alloc, /* group_alloc */
5818 group_construct, /* group_construct */
5819 group_destruct, /* group_destruct */
5820 group_dealloc, /* group_dealloc */
5821 group_modify, /* group_modify */
5822 group_get_stats, /* group_get_stats */
5823 get_datapath_version, /* get_datapath_version */