2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 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.
23 #include "byte-order.h"
24 #include "connectivity.h"
29 #include "fail-open.h"
30 #include "guarded-list.h"
34 #include "mac-learning.h"
35 #include "mcast-snooping.h"
36 #include "multipath.h"
37 #include "netdev-vport.h"
42 #include "odp-execute.h"
43 #include "ofproto/ofproto-dpif.h"
44 #include "ofproto/ofproto-provider.h"
45 #include "ofproto-dpif-ipfix.h"
46 #include "ofproto-dpif-mirror.h"
47 #include "ofproto-dpif-monitor.h"
48 #include "ofproto-dpif-rid.h"
49 #include "ofproto-dpif-sflow.h"
50 #include "ofproto-dpif-trace.h"
51 #include "ofproto-dpif-upcall.h"
52 #include "ofproto-dpif-xlate.h"
53 #include "ofproto-dpif-xlate-cache.h"
54 #include "openvswitch/ofp-actions.h"
55 #include "openvswitch/dynamic-string.h"
56 #include "openvswitch/meta-flow.h"
57 #include "openvswitch/ofp-parse.h"
58 #include "openvswitch/ofp-print.h"
59 #include "openvswitch/ofp-util.h"
60 #include "openvswitch/ofpbuf.h"
61 #include "openvswitch/vlog.h"
64 #include "ovs-router.h"
65 #include "poll-loop.h"
71 #include "unaligned.h"
74 #include "vlan-bitmap.h"
76 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
78 COVERAGE_DEFINE(ofproto_dpif_expired
);
79 COVERAGE_DEFINE(packet_in_overflow
);
83 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
85 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
86 static void rule_expire(struct rule_dpif
*, long long now
);
89 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
90 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
91 void *aux
; /* Key supplied by ofproto's client. */
92 char *name
; /* Identifier for log messages. */
95 struct ovs_list ports
; /* Contains "struct ofport"s. */
96 enum port_vlan_mode vlan_mode
; /* VLAN mode */
97 uint16_t qinq_ethtype
;
98 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
99 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
100 * NULL if all VLANs are trunked. */
101 unsigned long *cvlans
;
102 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
103 struct bond
*bond
; /* Nonnull iff more than one port. */
104 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
106 bool protected; /* Protected port mode */
109 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
112 static void bundle_remove(struct ofport
*);
113 static void bundle_update(struct ofbundle
*);
114 static void bundle_destroy(struct ofbundle
*);
115 static void bundle_del_port(struct ofport_dpif
*);
116 static void bundle_run(struct ofbundle
*);
117 static void bundle_wait(struct ofbundle
*);
118 static void bundle_flush_macs(struct ofbundle
*, bool);
119 static void bundle_move(struct ofbundle
*, struct ofbundle
*);
121 static void stp_run(struct ofproto_dpif
*ofproto
);
122 static void stp_wait(struct ofproto_dpif
*ofproto
);
123 static int set_stp_port(struct ofport
*,
124 const struct ofproto_port_stp_settings
*);
126 static void rstp_run(struct ofproto_dpif
*ofproto
);
127 static void set_rstp_port(struct ofport
*,
128 const struct ofproto_port_rstp_settings
*);
131 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
135 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
136 struct ovs_list bundle_node
;/* In struct ofbundle's "ports" list. */
137 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
138 struct bfd
*bfd
; /* BFD, if any. */
139 struct lldp
*lldp
; /* lldp, if any. */
140 bool may_enable
; /* May be enabled in bonds. */
141 bool is_tunnel
; /* This port is a tunnel. */
142 long long int carrier_seq
; /* Carrier status changes. */
143 struct ofport_dpif
*peer
; /* Peer if patch port. */
146 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
147 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
148 long long int stp_state_entered
;
150 /* Rapid Spanning Tree. */
151 struct rstp_port
*rstp_port
; /* Rapid Spanning Tree Protocol, if any. */
152 enum rstp_state rstp_state
; /* Always RSTP_DISABLED if RSTP not in use. */
154 /* Queue to DSCP mapping. */
155 struct ofproto_port_queue
*qdscp
;
159 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
162 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
165 static struct ofport_dpif
*
166 ofport_dpif_cast(const struct ofport
*ofport
)
168 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
171 static void port_run(struct ofport_dpif
*);
172 static int set_bfd(struct ofport
*, const struct smap
*);
173 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
174 static int set_lldp(struct ofport
*ofport_
, const struct smap
*cfg
);
175 static void ofport_update_peer(struct ofport_dpif
*);
177 COVERAGE_DEFINE(rev_reconfigure
);
178 COVERAGE_DEFINE(rev_stp
);
179 COVERAGE_DEFINE(rev_rstp
);
180 COVERAGE_DEFINE(rev_bond
);
181 COVERAGE_DEFINE(rev_port_toggled
);
182 COVERAGE_DEFINE(rev_flow_table
);
183 COVERAGE_DEFINE(rev_mac_learning
);
184 COVERAGE_DEFINE(rev_mcast_snooping
);
186 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
187 struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
189 /* All existing ofproto_dpif instances, indexed by ->up.name. */
190 struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
192 static bool ofproto_use_tnl_push_pop
= true;
193 static void ofproto_unixctl_init(void);
195 static inline struct ofproto_dpif
*
196 ofproto_dpif_cast(const struct ofproto
*ofproto
)
198 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
199 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
202 /* Global variables. */
203 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
205 /* Initial mappings of port to bridge mappings. */
206 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
208 /* Initialize 'ofm' for a learn action. If the rule already existed, reference
209 * to that rule is taken, otherwise a new rule is created. 'ofm' keeps the
210 * rule reference in both cases. */
212 ofproto_dpif_flow_mod_init_for_learn(struct ofproto_dpif
*ofproto
,
213 const struct ofputil_flow_mod
*fm
,
214 struct ofproto_flow_mod
*ofm
)
216 /* This will not take the global 'ofproto_mutex'. */
217 return ofproto_flow_mod_init_for_learn(&ofproto
->up
, fm
, ofm
);
220 /* Appends 'am' to the queue of asynchronous messages to be sent to the
221 * controller. Takes ownership of 'am' and any data it points to. */
223 ofproto_dpif_send_async_msg(struct ofproto_dpif
*ofproto
,
224 struct ofproto_async_msg
*am
)
226 if (!guarded_list_push_back(&ofproto
->ams
, &am
->list_node
, 1024)) {
227 COVERAGE_INC(packet_in_overflow
);
228 ofproto_async_msg_free(am
);
231 /* Wakes up main thread for packet-in I/O. */
232 seq_change(ofproto
->ams_seq
);
235 /* Factory functions. */
238 init(const struct shash
*iface_hints
)
240 struct shash_node
*node
;
242 /* Make a local copy, since we don't own 'iface_hints' elements. */
243 SHASH_FOR_EACH(node
, iface_hints
) {
244 const struct iface_hint
*orig_hint
= node
->data
;
245 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
247 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
248 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
249 new_hint
->ofp_port
= orig_hint
->ofp_port
;
251 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
254 ofproto_unixctl_init();
255 ofproto_dpif_trace_init();
260 enumerate_types(struct sset
*types
)
262 dp_enumerate_types(types
);
266 enumerate_names(const char *type
, struct sset
*names
)
268 struct ofproto_dpif
*ofproto
;
271 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
272 if (strcmp(type
, ofproto
->up
.type
)) {
275 sset_add(names
, ofproto
->up
.name
);
282 del(const char *type
, const char *name
)
287 error
= dpif_open(name
, type
, &dpif
);
289 error
= dpif_delete(dpif
);
296 port_open_type(const char *datapath_type
, const char *port_type
)
298 return dpif_port_open_type(datapath_type
, port_type
);
301 /* Type functions. */
303 static void process_dpif_port_changes(struct dpif_backer
*);
304 static void process_dpif_all_ports_changed(struct dpif_backer
*);
305 static void process_dpif_port_change(struct dpif_backer
*,
306 const char *devname
);
307 static void process_dpif_port_error(struct dpif_backer
*, int error
);
309 static struct ofproto_dpif
*
310 lookup_ofproto_dpif_by_port_name(const char *name
)
312 struct ofproto_dpif
*ofproto
;
314 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
315 if (sset_contains(&ofproto
->ports
, name
)) {
324 type_run(const char *type
)
326 struct dpif_backer
*backer
;
328 backer
= shash_find_data(&all_dpif_backers
, type
);
330 /* This is not necessarily a problem, since backers are only
331 * created on demand. */
335 if (dpif_run(backer
->dpif
)) {
336 backer
->need_revalidate
= REV_RECONFIGURE
;
339 udpif_run(backer
->udpif
);
341 /* If vswitchd started with other_config:flow_restore_wait set as "true",
342 * and the configuration has now changed to "false", enable receiving
343 * packets from the datapath. */
344 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
347 backer
->recv_set_enable
= true;
349 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
351 VLOG_ERR("Failed to enable receiving packets in dpif.");
354 dpif_flow_flush(backer
->dpif
);
355 backer
->need_revalidate
= REV_RECONFIGURE
;
358 if (backer
->recv_set_enable
) {
359 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
362 if (backer
->need_revalidate
) {
363 struct ofproto_dpif
*ofproto
;
364 struct simap_node
*node
;
365 struct simap tmp_backers
;
367 /* Handle tunnel garbage collection. */
368 simap_init(&tmp_backers
);
369 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
371 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
372 struct ofport_dpif
*iter
;
374 if (backer
!= ofproto
->backer
) {
378 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
379 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
382 if (!iter
->is_tunnel
) {
386 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
387 namebuf
, sizeof namebuf
);
388 node
= simap_find(&tmp_backers
, dp_port
);
390 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
391 simap_delete(&tmp_backers
, node
);
392 node
= simap_find(&backer
->tnl_backers
, dp_port
);
394 node
= simap_find(&backer
->tnl_backers
, dp_port
);
396 odp_port_t odp_port
= ODPP_NONE
;
398 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
400 simap_put(&backer
->tnl_backers
, dp_port
,
401 odp_to_u32(odp_port
));
402 node
= simap_find(&backer
->tnl_backers
, dp_port
);
407 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
408 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
410 ovs_native_tunneling_is_on(ofproto
), dp_port
)) {
411 backer
->need_revalidate
= REV_RECONFIGURE
;
416 SIMAP_FOR_EACH (node
, &tmp_backers
) {
417 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
419 simap_destroy(&tmp_backers
);
421 switch (backer
->need_revalidate
) {
422 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
423 case REV_STP
: COVERAGE_INC(rev_stp
); break;
424 case REV_RSTP
: COVERAGE_INC(rev_rstp
); break;
425 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
426 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
427 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
428 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
429 case REV_MCAST_SNOOPING
: COVERAGE_INC(rev_mcast_snooping
); break;
431 backer
->need_revalidate
= 0;
434 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
435 struct ofport_dpif
*ofport
;
436 struct ofbundle
*bundle
;
438 if (ofproto
->backer
!= backer
) {
442 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
443 ofproto
->backer
->dpif
, ofproto
->ml
,
444 ofproto
->stp
, ofproto
->rstp
, ofproto
->ms
,
445 ofproto
->mbridge
, ofproto
->sflow
, ofproto
->ipfix
,
447 ofproto
->up
.forward_bpdu
,
448 connmgr_has_in_band(ofproto
->up
.connmgr
),
449 &ofproto
->backer
->support
);
451 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
452 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
453 bundle
->vlan_mode
, bundle
->qinq_ethtype
,
454 bundle
->vlan
, bundle
->trunks
, bundle
->cvlans
,
455 bundle
->use_priority_tags
,
456 bundle
->bond
, bundle
->lacp
,
457 bundle
->floodable
, bundle
->protected);
460 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
461 int stp_port
= ofport
->stp_port
462 ? stp_port_no(ofport
->stp_port
)
464 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
465 ofport
->up
.ofp_port
, ofport
->odp_port
,
466 ofport
->up
.netdev
, ofport
->cfm
, ofport
->bfd
,
467 ofport
->lldp
, ofport
->peer
, stp_port
,
468 ofport
->rstp_port
, ofport
->qdscp
,
469 ofport
->n_qdscp
, ofport
->up
.pp
.config
,
470 ofport
->up
.pp
.state
, ofport
->is_tunnel
,
476 udpif_revalidate(backer
->udpif
);
479 process_dpif_port_changes(backer
);
484 /* Check for and handle port changes in 'backer''s dpif. */
486 process_dpif_port_changes(struct dpif_backer
*backer
)
492 error
= dpif_port_poll(backer
->dpif
, &devname
);
498 process_dpif_all_ports_changed(backer
);
502 process_dpif_port_change(backer
, devname
);
507 process_dpif_port_error(backer
, error
);
514 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
516 struct ofproto_dpif
*ofproto
;
517 struct dpif_port dpif_port
;
518 struct dpif_port_dump dump
;
519 struct sset devnames
;
522 sset_init(&devnames
);
523 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
524 if (ofproto
->backer
== backer
) {
525 struct ofport
*ofport
;
527 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
528 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
532 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
533 sset_add(&devnames
, dpif_port
.name
);
536 SSET_FOR_EACH (devname
, &devnames
) {
537 process_dpif_port_change(backer
, devname
);
539 sset_destroy(&devnames
);
543 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
545 struct ofproto_dpif
*ofproto
;
546 struct dpif_port port
;
548 /* Don't report on the datapath's device. */
549 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
553 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
554 &all_ofproto_dpifs
) {
555 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
560 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
561 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
562 /* The port was removed. If we know the datapath,
563 * report it through poll_set(). If we don't, it may be
564 * notifying us of a removal we initiated, so ignore it.
565 * If there's a pending ENOBUFS, let it stand, since
566 * everything will be reevaluated. */
567 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
568 sset_add(&ofproto
->port_poll_set
, devname
);
569 ofproto
->port_poll_errno
= 0;
571 } else if (!ofproto
) {
572 /* The port was added, but we don't know with which
573 * ofproto we should associate it. Delete it. */
574 dpif_port_del(backer
->dpif
, port
.port_no
);
576 struct ofport_dpif
*ofport
;
578 ofport
= ofport_dpif_cast(shash_find_data(
579 &ofproto
->up
.port_by_name
, devname
));
581 && ofport
->odp_port
!= port
.port_no
582 && !odp_port_to_ofport(backer
, port
.port_no
))
584 /* 'ofport''s datapath port number has changed from
585 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
586 * structures to match. */
587 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
588 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
589 ofport
->odp_port
= port
.port_no
;
590 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
591 hash_odp_port(port
.port_no
));
592 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
593 backer
->need_revalidate
= REV_RECONFIGURE
;
596 dpif_port_destroy(&port
);
599 /* Propagate 'error' to all ofprotos based on 'backer'. */
601 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
603 struct ofproto_dpif
*ofproto
;
605 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
606 if (ofproto
->backer
== backer
) {
607 sset_clear(&ofproto
->port_poll_set
);
608 ofproto
->port_poll_errno
= error
;
614 type_wait(const char *type
)
616 struct dpif_backer
*backer
;
618 backer
= shash_find_data(&all_dpif_backers
, type
);
620 /* This is not necessarily a problem, since backers are only
621 * created on demand. */
625 dpif_wait(backer
->dpif
);
628 /* Basic life-cycle. */
630 static int add_internal_flows(struct ofproto_dpif
*);
632 static struct ofproto
*
635 struct ofproto_dpif
*ofproto
= xzalloc(sizeof *ofproto
);
640 dealloc(struct ofproto
*ofproto_
)
642 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
647 close_dpif_backer(struct dpif_backer
*backer
, bool del
)
649 ovs_assert(backer
->refcount
> 0);
651 if (--backer
->refcount
) {
655 udpif_destroy(backer
->udpif
);
657 simap_destroy(&backer
->tnl_backers
);
658 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
659 hmap_destroy(&backer
->odp_to_ofport_map
);
660 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
662 free(backer
->dp_version_string
);
664 dpif_delete(backer
->dpif
);
666 dpif_close(backer
->dpif
);
667 id_pool_destroy(backer
->meter_ids
);
671 /* Datapath port slated for removal from datapath. */
673 struct ovs_list list_node
;
677 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
678 static void check_support(struct dpif_backer
*backer
);
681 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
683 struct dpif_backer
*backer
;
684 struct dpif_port_dump port_dump
;
685 struct dpif_port port
;
686 struct shash_node
*node
;
687 struct ovs_list garbage_list
;
688 struct odp_garbage
*garbage
;
695 backer
= shash_find_data(&all_dpif_backers
, type
);
702 backer_name
= xasprintf("ovs-%s", type
);
704 /* Remove any existing datapaths, since we assume we're the only
705 * userspace controlling the datapath. */
707 dp_enumerate_names(type
, &names
);
708 SSET_FOR_EACH(name
, &names
) {
709 struct dpif
*old_dpif
;
711 /* Don't remove our backer if it exists. */
712 if (!strcmp(name
, backer_name
)) {
716 if (dpif_open(name
, type
, &old_dpif
)) {
717 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
719 dpif_delete(old_dpif
);
720 dpif_close(old_dpif
);
723 sset_destroy(&names
);
725 backer
= xmalloc(sizeof *backer
);
727 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
730 VLOG_ERR("failed to open datapath of type %s: %s", type
,
731 ovs_strerror(error
));
735 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
737 backer
->type
= xstrdup(type
);
738 backer
->refcount
= 1;
739 hmap_init(&backer
->odp_to_ofport_map
);
740 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
741 backer
->need_revalidate
= 0;
742 simap_init(&backer
->tnl_backers
);
743 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
746 if (backer
->recv_set_enable
) {
747 dpif_flow_flush(backer
->dpif
);
750 /* Loop through the ports already on the datapath and remove any
751 * that we don't need anymore. */
752 ovs_list_init(&garbage_list
);
753 dpif_port_dump_start(&port_dump
, backer
->dpif
);
754 while (dpif_port_dump_next(&port_dump
, &port
)) {
755 node
= shash_find(&init_ofp_ports
, port
.name
);
756 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
757 garbage
= xmalloc(sizeof *garbage
);
758 garbage
->odp_port
= port
.port_no
;
759 ovs_list_push_front(&garbage_list
, &garbage
->list_node
);
762 dpif_port_dump_done(&port_dump
);
764 LIST_FOR_EACH_POP (garbage
, list_node
, &garbage_list
) {
765 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
769 shash_add(&all_dpif_backers
, type
, backer
);
771 check_support(backer
);
772 atomic_count_init(&backer
->tnl_count
, 0);
774 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
776 VLOG_ERR("failed to listen on datapath of type %s: %s",
777 type
, ovs_strerror(error
));
778 close_dpif_backer(backer
, false);
782 if (backer
->recv_set_enable
) {
783 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
786 /* This check fails if performed before udpif threads have been set,
787 * as the kernel module checks that the 'pid' in userspace action
789 backer
->support
.variable_length_userdata
790 = check_variable_length_userdata(backer
);
791 backer
->dp_version_string
= dpif_get_dp_version(backer
->dpif
);
793 /* Manage Datapath meter IDs if supported. */
794 struct ofputil_meter_features features
;
795 dpif_meter_get_features(backer
->dpif
, &features
);
796 if (features
.max_meters
) {
797 backer
->meter_ids
= id_pool_create(0, features
.max_meters
);
799 backer
->meter_ids
= NULL
;
806 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
808 return ofproto_use_tnl_push_pop
&& ofproto
->backer
->support
.tnl_push_pop
&&
809 atomic_count_get(&ofproto
->backer
->tnl_count
);
812 /* Tests whether 'backer''s datapath supports recirculation. Only newer
813 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
814 * features on older datapaths that don't support this feature.
816 * Returns false if 'backer' definitely does not support recirculation, true if
817 * it seems to support recirculation or if at least the error we get is
820 check_recirc(struct dpif_backer
*backer
)
823 struct odputil_keybuf keybuf
;
826 struct odp_flow_key_parms odp_parms
= {
833 memset(&flow
, 0, sizeof flow
);
837 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
838 odp_flow_key_from_flow(&odp_parms
, &key
);
839 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
843 VLOG_INFO("%s: Datapath supports recirculation",
844 dpif_name(backer
->dpif
));
846 VLOG_INFO("%s: Datapath does not support recirculation",
847 dpif_name(backer
->dpif
));
850 return enable_recirc
;
853 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
854 * some flow attributes for datapaths that support this feature.
856 * Returns true if 'dpif' supports UFID for flow operations.
857 * Returns false if 'dpif' does not support UFID. */
859 check_ufid(struct dpif_backer
*backer
)
862 struct odputil_keybuf keybuf
;
866 struct odp_flow_key_parms odp_parms
= {
870 memset(&flow
, 0, sizeof flow
);
871 flow
.dl_type
= htons(0x1234);
873 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
874 odp_flow_key_from_flow(&odp_parms
, &key
);
875 dpif_flow_hash(backer
->dpif
, key
.data
, key
.size
, &ufid
);
877 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, NULL
, &ufid
);
880 VLOG_INFO("%s: Datapath supports unique flow ids",
881 dpif_name(backer
->dpif
));
883 VLOG_INFO("%s: Datapath does not support unique flow ids",
884 dpif_name(backer
->dpif
));
889 /* Tests whether 'backer''s datapath supports variable-length
890 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
891 * to disable some features on older datapaths that don't support this
894 * Returns false if 'backer' definitely does not support variable-length
895 * userdata, true if it seems to support them or if at least the error we get
898 check_variable_length_userdata(struct dpif_backer
*backer
)
900 struct eth_header
*eth
;
901 struct ofpbuf actions
;
902 struct dpif_execute execute
;
903 struct dp_packet packet
;
908 /* Compose a userspace action that will cause an ERANGE error on older
909 * datapaths that don't support variable-length userdata.
911 * We really test for using userdata longer than 8 bytes, but older
912 * datapaths accepted these, silently truncating the userdata to 8 bytes.
913 * The same older datapaths rejected userdata shorter than 8 bytes, so we
914 * test for that instead as a proxy for longer userdata support. */
915 ofpbuf_init(&actions
, 64);
916 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
917 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
918 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
919 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
920 nl_msg_end_nested(&actions
, start
);
922 /* Compose a dummy ethernet packet. */
923 dp_packet_init(&packet
, ETH_HEADER_LEN
);
924 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
925 eth
->eth_type
= htons(0x1234);
927 flow_extract(&packet
, &flow
);
929 /* Execute the actions. On older datapaths this fails with ERANGE, on
930 * newer datapaths it succeeds. */
931 execute
.actions
= actions
.data
;
932 execute
.actions_len
= actions
.size
;
933 execute
.packet
= &packet
;
934 execute
.flow
= &flow
;
935 execute
.needs_help
= false;
936 execute
.probe
= true;
939 error
= dpif_execute(backer
->dpif
, &execute
);
941 dp_packet_uninit(&packet
);
942 ofpbuf_uninit(&actions
);
949 /* Variable-length userdata is not supported. */
950 VLOG_WARN("%s: datapath does not support variable-length userdata "
951 "feature (needs Linux 3.10+ or kernel module from OVS "
952 "1..11+). The NXAST_SAMPLE action will be ignored.",
953 dpif_name(backer
->dpif
));
957 /* Something odd happened. We're not sure whether variable-length
958 * userdata is supported. Default to "yes". */
959 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
960 dpif_name(backer
->dpif
), ovs_strerror(error
));
965 /* Tests number of 802.1q VLAN headers supported by 'backer''s datapath.
967 * Returns the number of elements in a struct flow's vlan
968 * if the datapath supports at least that many VLAN headers. */
970 check_max_vlan_headers(struct dpif_backer
*backer
)
973 struct odp_flow_key_parms odp_parms
= {
979 memset(&flow
, 0, sizeof flow
);
980 flow
.dl_type
= htons(ETH_TYPE_IP
);
981 for (n
= 0; n
< FLOW_MAX_VLAN_HEADERS
; n
++) {
982 struct odputil_keybuf keybuf
;
985 flow_push_vlan_uninit(&flow
, NULL
);
986 flow
.vlans
[0].tpid
= htons(ETH_TYPE_VLAN
);
987 flow
.vlans
[0].tci
= htons(1) | htons(VLAN_CFI
);
989 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
990 odp_flow_key_from_flow(&odp_parms
, &key
);
991 if (!dpif_probe_feature(backer
->dpif
, "VLAN", &key
, NULL
, NULL
)) {
996 VLOG_INFO("%s: VLAN header stack length probed as %d",
997 dpif_name(backer
->dpif
), n
);
1000 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1002 * Returns the number of elements in a struct flow's mpls_lse field
1003 * if the datapath supports at least that many entries in an
1005 * Otherwise returns the number of MPLS push actions supported by
1008 check_max_mpls_depth(struct dpif_backer
*backer
)
1013 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1014 struct odputil_keybuf keybuf
;
1016 struct odp_flow_key_parms odp_parms
= {
1020 memset(&flow
, 0, sizeof flow
);
1021 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1022 flow_set_mpls_bos(&flow
, n
, 1);
1024 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1025 odp_flow_key_from_flow(&odp_parms
, &key
);
1026 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
, NULL
)) {
1031 VLOG_INFO("%s: MPLS label stack length probed as %d",
1032 dpif_name(backer
->dpif
), n
);
1037 add_sample_actions(struct ofpbuf
*actions
, int nesting
)
1040 nl_msg_put_odp_port(actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1044 size_t start
, actions_start
;
1046 start
= nl_msg_start_nested(actions
, OVS_ACTION_ATTR_SAMPLE
);
1047 actions_start
= nl_msg_start_nested(actions
, OVS_SAMPLE_ATTR_ACTIONS
);
1048 add_sample_actions(actions
, nesting
- 1);
1049 nl_msg_end_nested(actions
, actions_start
);
1050 nl_msg_put_u32(actions
, OVS_SAMPLE_ATTR_PROBABILITY
, UINT32_MAX
);
1051 nl_msg_end_nested(actions
, start
);
1054 /* Tests the nested sample actions levels supported by 'backer''s datapath.
1056 * Returns the number of nested sample actions accepted by the datapath. */
1058 check_max_sample_nesting(struct dpif_backer
*backer
)
1060 struct odputil_keybuf keybuf
;
1065 struct odp_flow_key_parms odp_parms
= {
1069 memset(&flow
, 0, sizeof flow
);
1070 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1071 odp_flow_key_from_flow(&odp_parms
, &key
);
1073 /* OVS datapath has always supported at least 3 nested levels. */
1074 for (n
= 3; n
< FLOW_MAX_SAMPLE_NESTING
; n
++) {
1075 struct ofpbuf actions
;
1078 ofpbuf_init(&actions
, 300);
1079 add_sample_actions(&actions
, n
);
1080 ok
= dpif_probe_feature(backer
->dpif
, "Sample action nesting", &key
,
1082 ofpbuf_uninit(&actions
);
1088 VLOG_INFO("%s: Max sample nesting level probed as %d",
1089 dpif_name(backer
->dpif
), n
);
1093 /* Tests whether 'backer''s datapath supports masked data in
1094 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1095 * datapaths that don't support this feature. */
1097 check_masked_set_action(struct dpif_backer
*backer
)
1099 struct eth_header
*eth
;
1100 struct ofpbuf actions
;
1101 struct dpif_execute execute
;
1102 struct dp_packet packet
;
1105 struct ovs_key_ethernet key
, mask
;
1107 /* Compose a set action that will cause an EINVAL error on older
1108 * datapaths that don't support masked set actions.
1109 * Avoid using a full mask, as it could be translated to a non-masked
1110 * set action instead. */
1111 ofpbuf_init(&actions
, 64);
1112 memset(&key
, 0x53, sizeof key
);
1113 memset(&mask
, 0x7f, sizeof mask
);
1114 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1117 /* Compose a dummy ethernet packet. */
1118 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1119 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1120 eth
->eth_type
= htons(0x1234);
1122 flow_extract(&packet
, &flow
);
1124 /* Execute the actions. On older datapaths this fails with EINVAL, on
1125 * newer datapaths it succeeds. */
1126 execute
.actions
= actions
.data
;
1127 execute
.actions_len
= actions
.size
;
1128 execute
.packet
= &packet
;
1129 execute
.flow
= &flow
;
1130 execute
.needs_help
= false;
1131 execute
.probe
= true;
1134 error
= dpif_execute(backer
->dpif
, &execute
);
1136 dp_packet_uninit(&packet
);
1137 ofpbuf_uninit(&actions
);
1140 /* Masked set action is not supported. */
1141 VLOG_INFO("%s: datapath does not support masked set action feature.",
1142 dpif_name(backer
->dpif
));
1147 /* Tests whether 'backer''s datapath supports truncation of a packet in
1148 * OVS_ACTION_ATTR_TRUNC. We need to disable some features on older
1149 * datapaths that don't support this feature. */
1151 check_trunc_action(struct dpif_backer
*backer
)
1153 struct eth_header
*eth
;
1154 struct ofpbuf actions
;
1155 struct dpif_execute execute
;
1156 struct dp_packet packet
;
1157 struct ovs_action_trunc
*trunc
;
1161 /* Compose an action with output(port:1,
1162 * max_len:OVS_ACTION_OUTPUT_MIN + 1).
1163 * This translates to one truncate action and one output action. */
1164 ofpbuf_init(&actions
, 64);
1165 trunc
= nl_msg_put_unspec_uninit(&actions
,
1166 OVS_ACTION_ATTR_TRUNC
, sizeof *trunc
);
1168 trunc
->max_len
= ETH_HEADER_LEN
+ 1;
1169 nl_msg_put_odp_port(&actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1171 /* Compose a dummy Ethernet packet. */
1172 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1173 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1174 eth
->eth_type
= htons(0x1234);
1176 flow_extract(&packet
, &flow
);
1178 /* Execute the actions. On older datapaths this fails with EINVAL, on
1179 * newer datapaths it succeeds. */
1180 execute
.actions
= actions
.data
;
1181 execute
.actions_len
= actions
.size
;
1182 execute
.packet
= &packet
;
1183 execute
.flow
= &flow
;
1184 execute
.needs_help
= false;
1185 execute
.probe
= true;
1188 error
= dpif_execute(backer
->dpif
, &execute
);
1190 dp_packet_uninit(&packet
);
1191 ofpbuf_uninit(&actions
);
1194 VLOG_INFO("%s: Datapath does not support truncate action",
1195 dpif_name(backer
->dpif
));
1197 VLOG_INFO("%s: Datapath supports truncate action",
1198 dpif_name(backer
->dpif
));
1204 /* Tests whether 'backer''s datapath supports the clone action
1205 * OVS_ACTION_ATTR_CLONE. */
1207 check_clone(struct dpif_backer
*backer
)
1209 struct dpif_execute execute
;
1210 struct eth_header
*eth
;
1212 struct dp_packet packet
;
1213 struct ofpbuf actions
;
1217 /* Compose clone with an empty action list.
1218 * and check if datapath can decode the message. */
1219 ofpbuf_init(&actions
, 64);
1220 clone_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CLONE
);
1221 nl_msg_end_nested(&actions
, clone_start
);
1223 /* Compose a dummy Ethernet packet. */
1224 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1225 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1226 eth
->eth_type
= htons(0x1234);
1228 flow_extract(&packet
, &flow
);
1230 /* Execute the actions. On older datapaths this fails with EINVAL, on
1231 * newer datapaths it succeeds. */
1232 execute
.actions
= actions
.data
;
1233 execute
.actions_len
= actions
.size
;
1234 execute
.packet
= &packet
;
1235 execute
.flow
= &flow
;
1236 execute
.needs_help
= false;
1237 execute
.probe
= true;
1240 error
= dpif_execute(backer
->dpif
, &execute
);
1242 dp_packet_uninit(&packet
);
1243 ofpbuf_uninit(&actions
);
1246 VLOG_INFO("%s: Datapath does not support clone action",
1247 dpif_name(backer
->dpif
));
1249 VLOG_INFO("%s: Datapath supports clone action",
1250 dpif_name(backer
->dpif
));
1256 /* Tests whether 'backer''s datapath supports the OVS_CT_ATTR_EVENTMASK
1257 * attribute in OVS_ACTION_ATTR_CT. */
1259 check_ct_eventmask(struct dpif_backer
*backer
)
1261 struct dpif_execute execute
;
1262 struct dp_packet packet
;
1263 struct ofpbuf actions
;
1264 struct flow flow
= {
1265 .dl_type
= CONSTANT_HTONS(ETH_TYPE_IP
),
1266 .nw_proto
= IPPROTO_UDP
,
1268 /* Use the broadcast address on the loopback address range 127/8 to
1269 * avoid hitting any real conntrack entries. We leave the UDP ports to
1270 * zeroes for the same purpose. */
1271 .nw_src
= CONSTANT_HTONL(0x7fffffff),
1272 .nw_dst
= CONSTANT_HTONL(0x7fffffff),
1277 /* Compose CT action with eventmask attribute and check if datapath can
1278 * decode the message. */
1279 ofpbuf_init(&actions
, 64);
1280 ct_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CT
);
1281 /* Eventmask has no effect without the commit flag, but currently the
1282 * datapath will accept an eventmask even without commit. This is useful
1283 * as we do not want to persist the probe connection in the conntrack
1285 nl_msg_put_u32(&actions
, OVS_CT_ATTR_EVENTMASK
, ~0);
1286 nl_msg_end_nested(&actions
, ct_start
);
1288 /* Compose a dummy UDP packet. */
1289 dp_packet_init(&packet
, 0);
1290 flow_compose(&packet
, &flow
);
1292 /* Execute the actions. On older datapaths this fails with EINVAL, on
1293 * newer datapaths it succeeds. */
1294 execute
.actions
= actions
.data
;
1295 execute
.actions_len
= actions
.size
;
1296 execute
.packet
= &packet
;
1297 execute
.flow
= &flow
;
1298 execute
.needs_help
= false;
1299 execute
.probe
= true;
1302 error
= dpif_execute(backer
->dpif
, &execute
);
1304 dp_packet_uninit(&packet
);
1305 ofpbuf_uninit(&actions
);
1308 VLOG_INFO("%s: Datapath does not support eventmask in conntrack action",
1309 dpif_name(backer
->dpif
));
1311 VLOG_INFO("%s: Datapath supports eventmask in conntrack action",
1312 dpif_name(backer
->dpif
));
1318 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE, ETHTYPE) \
1320 check_##NAME(struct dpif_backer *backer) \
1323 struct odputil_keybuf keybuf; \
1324 struct ofpbuf key; \
1326 struct odp_flow_key_parms odp_parms = { \
1333 memset(&flow, 0, sizeof flow); \
1334 flow.FIELD = VALUE; \
1335 flow.dl_type = htons(ETHTYPE); \
1337 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1338 odp_flow_key_from_flow(&odp_parms, &key); \
1339 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL, NULL); \
1342 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1344 VLOG_INFO("%s: Datapath does not support "#NAME, \
1345 dpif_name(backer->dpif)); \
1350 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1, \
1353 CHECK_FEATURE(ct_state
)
1354 CHECK_FEATURE(ct_zone
)
1355 CHECK_FEATURE(ct_mark
)
1356 CHECK_FEATURE__(ct_label
, ct_label
, ct_label
.u64
.lo
, 1, ETH_TYPE_IP
)
1357 CHECK_FEATURE__(ct_state_nat
, ct_state
, ct_state
, \
1358 CS_TRACKED
|CS_SRC_NAT
, ETH_TYPE_IP
)
1359 CHECK_FEATURE__(ct_orig_tuple
, ct_orig_tuple
, ct_nw_proto
, 1, ETH_TYPE_IP
)
1361 #undef CHECK_FEATURE
1362 #undef CHECK_FEATURE__
1365 check_support(struct dpif_backer
*backer
)
1367 /* This feature needs to be tested after udpif threads are set. */
1368 backer
->support
.variable_length_userdata
= false;
1371 backer
->support
.odp
.recirc
= check_recirc(backer
);
1372 backer
->support
.odp
.max_vlan_headers
= check_max_vlan_headers(backer
);
1373 backer
->support
.odp
.max_mpls_depth
= check_max_mpls_depth(backer
);
1374 backer
->support
.masked_set_action
= check_masked_set_action(backer
);
1375 backer
->support
.trunc
= check_trunc_action(backer
);
1376 backer
->support
.ufid
= check_ufid(backer
);
1377 backer
->support
.tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1378 backer
->support
.clone
= check_clone(backer
);
1379 backer
->support
.sample_nesting
= check_max_sample_nesting(backer
);
1380 backer
->support
.ct_eventmask
= check_ct_eventmask(backer
);
1383 backer
->support
.odp
.ct_state
= check_ct_state(backer
);
1384 backer
->support
.odp
.ct_zone
= check_ct_zone(backer
);
1385 backer
->support
.odp
.ct_mark
= check_ct_mark(backer
);
1386 backer
->support
.odp
.ct_label
= check_ct_label(backer
);
1388 backer
->support
.odp
.ct_state_nat
= check_ct_state_nat(backer
);
1389 backer
->support
.odp
.ct_orig_tuple
= check_ct_orig_tuple(backer
);
1393 construct(struct ofproto
*ofproto_
)
1395 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1396 struct shash_node
*node
, *next
;
1399 /* Tunnel module can get used right after the udpif threads are running. */
1400 ofproto_tunnel_init();
1402 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1407 uuid_generate(&ofproto
->uuid
);
1408 atomic_init(&ofproto
->tables_version
, OVS_VERSION_MIN
);
1409 ofproto
->netflow
= NULL
;
1410 ofproto
->sflow
= NULL
;
1411 ofproto
->ipfix
= NULL
;
1412 ofproto
->stp
= NULL
;
1413 ofproto
->rstp
= NULL
;
1414 ofproto
->dump_seq
= 0;
1415 hmap_init(&ofproto
->bundles
);
1416 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1418 ofproto
->mbridge
= mbridge_create();
1419 ofproto
->has_bonded_bundles
= false;
1420 ofproto
->lacp_enabled
= false;
1421 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1423 guarded_list_init(&ofproto
->ams
);
1425 sset_init(&ofproto
->ports
);
1426 sset_init(&ofproto
->ghost_ports
);
1427 sset_init(&ofproto
->port_poll_set
);
1428 ofproto
->port_poll_errno
= 0;
1429 ofproto
->change_seq
= 0;
1430 ofproto
->ams_seq
= seq_create();
1431 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1434 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1435 struct iface_hint
*iface_hint
= node
->data
;
1437 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1438 /* Check if the datapath already has this port. */
1439 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1440 sset_add(&ofproto
->ports
, node
->name
);
1443 free(iface_hint
->br_name
);
1444 free(iface_hint
->br_type
);
1446 shash_delete(&init_ofp_ports
, node
);
1450 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1451 hash_string(ofproto
->up
.name
, 0));
1452 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1454 ofproto_init_tables(ofproto_
, N_TABLES
);
1455 error
= add_internal_flows(ofproto
);
1457 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1463 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1464 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1470 match_init_catchall(&match
);
1471 match_set_reg(&match
, 0, id
);
1473 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1475 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1481 add_internal_flows(struct ofproto_dpif
*ofproto
)
1483 struct ofpact_controller
*controller
;
1484 uint64_t ofpacts_stub
[128 / 8];
1485 struct ofpbuf ofpacts
;
1486 struct rule
*unused_rulep OVS_UNUSED
;
1491 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1494 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1495 controller
->max_len
= UINT16_MAX
;
1496 controller
->controller_id
= 0;
1497 controller
->reason
= OFPR_IMPLICIT_MISS
;
1498 ofpact_finish_CONTROLLER(&ofpacts
, &controller
);
1500 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1501 &ofproto
->miss_rule
);
1506 ofpbuf_clear(&ofpacts
);
1507 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1508 &ofproto
->no_packet_in_rule
);
1513 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1514 &ofproto
->drop_frags_rule
);
1519 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1520 * zero when reaching this rule.
1522 * (priority=2), recirc_id=0, actions=drop
1524 ofpbuf_clear(&ofpacts
);
1525 match_init_catchall(&match
);
1526 match_set_recirc_id(&match
, 0);
1527 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1533 destruct(struct ofproto
*ofproto_
, bool del
)
1535 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1536 struct ofproto_async_msg
*am
;
1537 struct rule_dpif
*rule
;
1538 struct oftable
*table
;
1539 struct ovs_list ams
;
1541 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1543 xlate_remove_ofproto(ofproto
);
1546 /* Ensure that the upcall processing threads have no remaining references
1547 * to the ofproto or anything in it. */
1548 udpif_synchronize(ofproto
->backer
->udpif
);
1550 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1552 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1553 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1554 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1557 ofproto_group_delete_all(&ofproto
->up
);
1559 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1560 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1561 ofproto_async_msg_free(am
);
1563 guarded_list_destroy(&ofproto
->ams
);
1565 recirc_free_ofproto(ofproto
, ofproto
->up
.name
);
1567 mbridge_unref(ofproto
->mbridge
);
1569 netflow_unref(ofproto
->netflow
);
1570 dpif_sflow_unref(ofproto
->sflow
);
1571 dpif_ipfix_unref(ofproto
->ipfix
);
1572 hmap_destroy(&ofproto
->bundles
);
1573 mac_learning_unref(ofproto
->ml
);
1574 mcast_snooping_unref(ofproto
->ms
);
1575 stp_unref(ofproto
->stp
);
1576 rstp_unref(ofproto
->rstp
);
1578 sset_destroy(&ofproto
->ports
);
1579 sset_destroy(&ofproto
->ghost_ports
);
1580 sset_destroy(&ofproto
->port_poll_set
);
1582 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1584 seq_destroy(ofproto
->ams_seq
);
1586 close_dpif_backer(ofproto
->backer
, del
);
1590 run(struct ofproto
*ofproto_
)
1592 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1593 uint64_t new_seq
, new_dump_seq
;
1595 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1596 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1597 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1598 mac_learning_flush(ofproto
->ml
);
1599 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1600 mcast_snooping_mdb_flush(ofproto
->ms
);
1603 /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during
1604 * flow restore. Even though nothing is processed during flow restore,
1605 * all queued 'ams' will be handled immediately when flow restore
1607 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1609 /* Do not perform any periodic activity required by 'ofproto' while
1610 * waiting for flow restore to complete. */
1611 if (!ofproto_get_flow_restore_wait()) {
1612 struct ofproto_async_msg
*am
;
1613 struct ovs_list ams
;
1615 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1616 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1617 connmgr_send_async_msg(ofproto
->up
.connmgr
, am
);
1618 ofproto_async_msg_free(am
);
1622 if (ofproto
->netflow
) {
1623 netflow_run(ofproto
->netflow
);
1625 if (ofproto
->sflow
) {
1626 dpif_sflow_run(ofproto
->sflow
);
1628 if (ofproto
->ipfix
) {
1629 dpif_ipfix_run(ofproto
->ipfix
);
1632 new_seq
= seq_read(connectivity_seq_get());
1633 if (ofproto
->change_seq
!= new_seq
) {
1634 struct ofport_dpif
*ofport
;
1636 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1640 ofproto
->change_seq
= new_seq
;
1642 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1643 struct ofbundle
*bundle
;
1645 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1652 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1653 if (mac_learning_run(ofproto
->ml
)) {
1654 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1656 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1658 if (mcast_snooping_run(ofproto
->ms
)) {
1659 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1662 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1663 if (ofproto
->dump_seq
!= new_dump_seq
) {
1664 struct rule
*rule
, *next_rule
;
1665 long long now
= time_msec();
1667 /* We know stats are relatively fresh, so now is a good time to do some
1669 ofproto
->dump_seq
= new_dump_seq
;
1671 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1673 ovs_mutex_lock(&ofproto_mutex
);
1674 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1675 &ofproto
->up
.expirable
) {
1676 rule_expire(rule_dpif_cast(rule
), now
);
1678 ovs_mutex_unlock(&ofproto_mutex
);
1680 /* All outstanding data in existing flows has been accounted, so it's a
1681 * good time to do bond rebalancing. */
1682 if (ofproto
->has_bonded_bundles
) {
1683 struct ofbundle
*bundle
;
1685 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1687 bond_rebalance(bundle
->bond
);
1696 ofproto_dpif_wait(struct ofproto
*ofproto_
)
1698 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1700 if (ofproto_get_flow_restore_wait()) {
1704 if (ofproto
->sflow
) {
1705 dpif_sflow_wait(ofproto
->sflow
);
1707 if (ofproto
->ipfix
) {
1708 dpif_ipfix_wait(ofproto
->ipfix
);
1710 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1711 struct ofbundle
*bundle
;
1713 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1714 bundle_wait(bundle
);
1717 if (ofproto
->netflow
) {
1718 netflow_wait(ofproto
->netflow
);
1720 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1721 mac_learning_wait(ofproto
->ml
);
1722 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1723 mcast_snooping_wait(ofproto
->ms
);
1725 if (ofproto
->backer
->need_revalidate
) {
1726 poll_immediate_wake();
1729 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1730 seq_wait(ofproto
->ams_seq
, ofproto
->ams_seqno
);
1734 type_get_memory_usage(const char *type
, struct simap
*usage
)
1736 struct dpif_backer
*backer
;
1738 backer
= shash_find_data(&all_dpif_backers
, type
);
1740 udpif_get_memory_usage(backer
->udpif
, usage
);
1745 flush(struct ofproto
*ofproto_
)
1747 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1748 struct dpif_backer
*backer
= ofproto
->backer
;
1751 udpif_flush(backer
->udpif
);
1756 query_tables(struct ofproto
*ofproto
,
1757 struct ofputil_table_features
*features
,
1758 struct ofputil_table_stats
*stats
)
1760 strcpy(features
->name
, "classifier");
1765 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1766 unsigned long missed
, matched
;
1768 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1769 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1771 stats
[i
].matched_count
= matched
;
1772 stats
[i
].lookup_count
= matched
+ missed
;
1778 set_tables_version(struct ofproto
*ofproto_
, ovs_version_t version
)
1780 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1782 /* Use memory_order_release to signify that any prior memory accesses can
1783 * not be reordered to happen after this atomic store. This makes sure the
1784 * new version is properly set up when the readers can read this 'version'
1786 atomic_store_explicit(&ofproto
->tables_version
, version
,
1787 memory_order_release
);
1788 /* 'need_revalidate' can be reordered to happen before the atomic_store
1789 * above, but it does not matter as this variable is not accessed by other
1791 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
1794 static struct ofport
*
1797 struct ofport_dpif
*port
= xzalloc(sizeof *port
);
1802 port_dealloc(struct ofport
*port_
)
1804 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1809 port_construct(struct ofport
*port_
)
1811 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1812 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1813 const struct netdev
*netdev
= port
->up
.netdev
;
1814 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1815 const char *dp_port_name
;
1816 struct dpif_port dpif_port
;
1819 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1820 port
->bundle
= NULL
;
1824 port
->may_enable
= false;
1825 port
->stp_port
= NULL
;
1826 port
->stp_state
= STP_DISABLED
;
1827 port
->rstp_port
= NULL
;
1828 port
->rstp_state
= RSTP_DISABLED
;
1829 port
->is_tunnel
= false;
1833 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1835 if (netdev_vport_is_patch(netdev
)) {
1836 /* By bailing out here, we don't submit the port to the sFlow module
1837 * to be considered for counter polling export. This is correct
1838 * because the patch port represents an interface that sFlow considers
1839 * to be "internal" to the switch as a whole, and therefore not a
1840 * candidate for counter polling. */
1841 port
->odp_port
= ODPP_NONE
;
1842 ofport_update_peer(port
);
1846 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1847 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
, dp_port_name
,
1853 port
->odp_port
= dpif_port
.port_no
;
1855 if (netdev_get_tunnel_config(netdev
)) {
1856 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1857 error
= tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1858 ovs_native_tunneling_is_on(ofproto
), dp_port_name
);
1860 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1861 dpif_port_destroy(&dpif_port
);
1865 port
->is_tunnel
= true;
1866 if (ofproto
->ipfix
) {
1867 dpif_ipfix_add_tunnel_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1870 /* Sanity-check that a mapping doesn't already exist. This
1871 * shouldn't happen for non-tunnel ports. */
1872 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1873 VLOG_ERR("port %s already has an OpenFlow port number",
1875 dpif_port_destroy(&dpif_port
);
1879 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1880 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1881 hash_odp_port(port
->odp_port
));
1882 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1884 dpif_port_destroy(&dpif_port
);
1886 if (ofproto
->sflow
) {
1887 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1894 port_destruct(struct ofport
*port_
, bool del
)
1896 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1897 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1898 const char *devname
= netdev_get_name(port
->up
.netdev
);
1899 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1900 const char *dp_port_name
;
1902 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1904 xlate_ofport_remove(port
);
1907 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1909 if (del
&& dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1910 /* The underlying device is still there, so delete it. This
1911 * happens when the ofproto is being destroyed, since the caller
1912 * assumes that removal of attached ports will happen as part of
1914 if (!port
->is_tunnel
) {
1915 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1920 port
->peer
->peer
= NULL
;
1924 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1925 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1926 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1927 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1930 if (port
->is_tunnel
) {
1931 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1934 if (port
->is_tunnel
&& ofproto
->ipfix
) {
1935 dpif_ipfix_del_tunnel_port(ofproto
->ipfix
, port
->odp_port
);
1939 sset_find_and_delete(&ofproto
->ports
, devname
);
1940 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1941 bundle_remove(port_
);
1942 set_cfm(port_
, NULL
);
1943 set_bfd(port_
, NULL
);
1944 set_lldp(port_
, NULL
);
1945 if (port
->stp_port
) {
1946 stp_port_disable(port
->stp_port
);
1948 set_rstp_port(port_
, NULL
);
1949 if (ofproto
->sflow
) {
1950 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1957 port_modified(struct ofport
*port_
)
1959 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1960 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1961 const char *dp_port_name
;
1962 struct netdev
*netdev
= port
->up
.netdev
;
1964 if (port
->bundle
&& port
->bundle
->bond
) {
1965 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1969 cfm_set_netdev(port
->cfm
, netdev
);
1973 bfd_set_netdev(port
->bfd
, netdev
);
1976 /* Set liveness, unless the link is administratively or
1977 * operationally down or link monitoring false */
1978 if (!(port
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
1979 !(port
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
) &&
1981 port
->up
.pp
.state
|= OFPUTIL_PS_LIVE
;
1983 port
->up
.pp
.state
&= ~OFPUTIL_PS_LIVE
;
1986 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1987 port
->lldp
, &port
->up
.pp
.hw_addr
);
1989 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1991 if (port
->is_tunnel
) {
1992 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1994 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
,
1995 ovs_native_tunneling_is_on(ofproto
),
1997 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2001 ofport_update_peer(port
);
2005 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
2007 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2008 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
2009 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
2011 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
2012 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
2013 OFPUTIL_PC_NO_PACKET_IN
)) {
2014 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2016 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
2017 bundle_update(port
->bundle
);
2023 set_sflow(struct ofproto
*ofproto_
,
2024 const struct ofproto_sflow_options
*sflow_options
)
2026 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2027 struct dpif_sflow
*ds
= ofproto
->sflow
;
2029 if (sflow_options
) {
2030 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
2032 struct ofport_dpif
*ofport
;
2034 ds
= ofproto
->sflow
= dpif_sflow_create();
2035 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2036 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
2039 dpif_sflow_set_options(ds
, sflow_options
);
2040 if (dpif_sflow_get_probability(ds
) != old_probability
) {
2041 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2045 dpif_sflow_unref(ds
);
2046 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2047 ofproto
->sflow
= NULL
;
2055 struct ofproto
*ofproto_
,
2056 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
2057 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
2058 size_t n_flow_exporters_options
)
2060 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2061 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2062 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
2063 bool new_di
= false;
2065 if (has_options
&& !di
) {
2066 di
= ofproto
->ipfix
= dpif_ipfix_create();
2071 /* Call set_options in any case to cleanly flush the flow
2072 * caches in the last exporters that are to be destroyed. */
2073 dpif_ipfix_set_options(
2074 di
, bridge_exporter_options
, flow_exporters_options
,
2075 n_flow_exporters_options
);
2077 /* Add tunnel ports only when a new ipfix created */
2078 if (new_di
== true) {
2079 struct ofport_dpif
*ofport
;
2080 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2081 if (ofport
->is_tunnel
== true) {
2082 dpif_ipfix_add_tunnel_port(di
, &ofport
->up
, ofport
->odp_port
);
2088 dpif_ipfix_unref(di
);
2089 ofproto
->ipfix
= NULL
;
2097 get_ipfix_stats(const struct ofproto
*ofproto_
,
2099 struct ovs_list
*replies
)
2101 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2102 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2105 return OFPERR_NXST_NOT_CONFIGURED
;
2108 return dpif_ipfix_get_stats(di
, bridge_ipfix
, replies
);
2112 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
2114 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2115 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2116 struct cfm
*old
= ofport
->cfm
;
2121 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
2124 if (cfm_configure(ofport
->cfm
, s
)) {
2131 cfm_unref(ofport
->cfm
);
2134 if (ofport
->cfm
!= old
) {
2135 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2137 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2138 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2143 cfm_status_changed(struct ofport
*ofport_
)
2145 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2147 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
2151 get_cfm_status(const struct ofport
*ofport_
,
2152 struct cfm_status
*status
)
2154 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2158 cfm_get_status(ofport
->cfm
, status
);
2167 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
2169 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
2170 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2174 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
2175 cfg
, ofport
->up
.netdev
);
2176 if (ofport
->bfd
!= old
) {
2177 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2179 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2180 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2185 bfd_status_changed(struct ofport
*ofport_
)
2187 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2189 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
2193 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
2195 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2199 bfd_get_status(ofport
->bfd
, smap
);
2208 set_lldp(struct ofport
*ofport_
,
2209 const struct smap
*cfg
)
2211 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2215 if (!ofport
->lldp
) {
2216 struct ofproto_dpif
*ofproto
;
2218 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2219 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2220 ofport
->lldp
= lldp_create(ofport
->up
.netdev
, ofport_
->mtu
, cfg
);
2223 if (!lldp_configure(ofport
->lldp
, cfg
)) {
2228 lldp_unref(ofport
->lldp
);
2229 ofport
->lldp
= NULL
;
2232 ofproto_dpif_monitor_port_update(ofport
,
2236 &ofport
->up
.pp
.hw_addr
);
2241 get_lldp_status(const struct ofport
*ofport_
,
2242 struct lldp_status
*status OVS_UNUSED
)
2244 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2246 return ofport
->lldp
? true : false;
2250 set_aa(struct ofproto
*ofproto OVS_UNUSED
,
2251 const struct aa_settings
*s
)
2253 return aa_configure(s
);
2257 aa_mapping_set(struct ofproto
*ofproto_ OVS_UNUSED
, void *aux
,
2258 const struct aa_mapping_settings
*s
)
2260 return aa_mapping_register(aux
, s
);
2264 aa_mapping_unset(struct ofproto
*ofproto OVS_UNUSED
, void *aux
)
2266 return aa_mapping_unregister(aux
);
2270 aa_vlan_get_queued(struct ofproto
*ofproto OVS_UNUSED
, struct ovs_list
*list
)
2272 return aa_get_vlan_queued(list
);
2276 aa_vlan_get_queue_size(struct ofproto
*ofproto OVS_UNUSED
)
2278 return aa_get_vlan_queue_size();
2282 /* Spanning Tree. */
2284 /* Called while rstp_mutex is held. */
2286 rstp_send_bpdu_cb(struct dp_packet
*pkt
, void *ofport_
, void *ofproto_
)
2288 struct ofproto_dpif
*ofproto
= ofproto_
;
2289 struct ofport_dpif
*ofport
= ofport_
;
2290 struct eth_header
*eth
= dp_packet_eth(pkt
);
2292 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2293 if (eth_addr_is_zero(eth
->eth_src
)) {
2294 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2295 "does not have a configured source MAC address.",
2296 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2298 ofproto_dpif_send_packet(ofport
, false, pkt
);
2300 dp_packet_delete(pkt
);
2304 send_bpdu_cb(struct dp_packet
*pkt
, int port_num
, void *ofproto_
)
2306 struct ofproto_dpif
*ofproto
= ofproto_
;
2307 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2308 struct ofport_dpif
*ofport
;
2310 ofport
= stp_port_get_aux(sp
);
2312 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2313 ofproto
->up
.name
, port_num
);
2315 struct eth_header
*eth
= dp_packet_eth(pkt
);
2317 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2318 if (eth_addr_is_zero(eth
->eth_src
)) {
2319 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2320 "with unknown MAC", ofproto
->up
.name
, port_num
);
2322 ofproto_dpif_send_packet(ofport
, false, pkt
);
2325 dp_packet_delete(pkt
);
2328 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2330 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2332 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2334 /* Only revalidate flows if the configuration changed. */
2335 if (!s
!= !ofproto
->rstp
) {
2336 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2340 if (!ofproto
->rstp
) {
2341 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2342 rstp_send_bpdu_cb
, ofproto
);
2343 ofproto
->rstp_last_tick
= time_msec();
2345 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2346 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2347 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2348 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2349 s
->force_protocol_version
);
2350 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2351 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2352 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2353 s
->transmit_hold_count
);
2355 struct ofport
*ofport
;
2356 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2357 set_rstp_port(ofport
, NULL
);
2359 rstp_unref(ofproto
->rstp
);
2360 ofproto
->rstp
= NULL
;
2365 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2367 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2369 if (ofproto
->rstp
) {
2371 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2372 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2373 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2374 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2375 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2376 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2383 update_rstp_port_state(struct ofport_dpif
*ofport
)
2385 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2386 enum rstp_state state
;
2388 /* Figure out new state. */
2389 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2393 if (ofport
->rstp_state
!= state
) {
2394 enum ofputil_port_state of_state
;
2397 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2398 netdev_get_name(ofport
->up
.netdev
),
2399 rstp_state_name(ofport
->rstp_state
),
2400 rstp_state_name(state
));
2402 if (rstp_learn_in_state(ofport
->rstp_state
)
2403 != rstp_learn_in_state(state
)) {
2404 /* XXX: Learning action flows should also be flushed. */
2405 if (ofport
->bundle
) {
2406 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2407 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2408 bundle_flush_macs(ofport
->bundle
, false);
2412 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2413 != rstp_forward_in_state(state
);
2415 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2416 ofport
->rstp_state
= state
;
2418 if (fwd_change
&& ofport
->bundle
) {
2419 bundle_update(ofport
->bundle
);
2422 /* Update the RSTP state bits in the OpenFlow port description. */
2423 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2424 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2425 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2426 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2428 ofproto_port_set_state(&ofport
->up
, of_state
);
2433 rstp_run(struct ofproto_dpif
*ofproto
)
2435 if (ofproto
->rstp
) {
2436 long long int now
= time_msec();
2437 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2438 struct rstp_port
*rp
;
2439 struct ofport_dpif
*ofport
;
2441 /* Every second, decrease the values of the timers. */
2442 if (elapsed
>= 1000) {
2443 rstp_tick_timers(ofproto
->rstp
);
2444 ofproto
->rstp_last_tick
= now
;
2447 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2448 update_rstp_port_state(ofport
);
2452 /* FIXME: This check should be done on-event (i.e., when setting
2453 * p->fdb_flush) and not periodically.
2455 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2456 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2457 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2458 bundle_flush_macs(ofport
->bundle
, false);
2462 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2463 struct ofport_dpif
*old_root_aux
=
2464 (struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
);
2465 struct ofport_dpif
*new_root_aux
=
2466 (struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
);
2467 if (old_root_aux
!= NULL
&& new_root_aux
!= NULL
) {
2468 bundle_move(old_root_aux
->bundle
, new_root_aux
->bundle
);
2469 rstp_reset_root_changed(ofproto
->rstp
);
2475 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2477 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2479 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2481 /* Only revalidate flows if the configuration changed. */
2482 if (!s
!= !ofproto
->stp
) {
2483 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2487 if (!ofproto
->stp
) {
2488 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2489 send_bpdu_cb
, ofproto
);
2490 ofproto
->stp_last_tick
= time_msec();
2493 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2494 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2495 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2496 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2497 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2499 struct ofport
*ofport
;
2501 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2502 set_stp_port(ofport
, NULL
);
2505 stp_unref(ofproto
->stp
);
2506 ofproto
->stp
= NULL
;
2513 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2515 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2519 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2520 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2521 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2530 update_stp_port_state(struct ofport_dpif
*ofport
)
2532 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2533 enum stp_state state
;
2535 /* Figure out new state. */
2536 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2540 if (ofport
->stp_state
!= state
) {
2541 enum ofputil_port_state of_state
;
2544 VLOG_DBG("port %s: STP state changed from %s to %s",
2545 netdev_get_name(ofport
->up
.netdev
),
2546 stp_state_name(ofport
->stp_state
),
2547 stp_state_name(state
));
2548 if (stp_learn_in_state(ofport
->stp_state
)
2549 != stp_learn_in_state(state
)) {
2550 /* xxx Learning action flows should also be flushed. */
2551 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2552 mac_learning_flush(ofproto
->ml
);
2553 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2554 mcast_snooping_mdb_flush(ofproto
->ms
);
2556 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2557 != stp_forward_in_state(state
);
2559 ofproto
->backer
->need_revalidate
= REV_STP
;
2560 ofport
->stp_state
= state
;
2561 ofport
->stp_state_entered
= time_msec();
2563 if (fwd_change
&& ofport
->bundle
) {
2564 bundle_update(ofport
->bundle
);
2567 /* Update the STP state bits in the OpenFlow port description. */
2568 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2569 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2570 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2571 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2572 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2574 ofproto_port_set_state(&ofport
->up
, of_state
);
2579 stp_check_and_update_link_state(struct ofproto_dpif
*ofproto
)
2581 struct ofport_dpif
*ofport
;
2583 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2584 bool up
= netdev_get_carrier(ofport
->up
.netdev
);
2586 if (ofport
->stp_port
&&
2587 up
!= (stp_port_get_state(ofport
->stp_port
) != STP_DISABLED
)) {
2589 VLOG_DBG("bridge %s, port %s is %s, %s it.",
2590 ofproto
->up
.name
, netdev_get_name(ofport
->up
.netdev
),
2592 up
? "enabling" : "disabling");
2595 stp_port_enable(ofport
->stp_port
);
2596 stp_port_set_aux(ofport
->stp_port
, ofport
);
2598 stp_port_disable(ofport
->stp_port
);
2601 update_stp_port_state(ofport
);
2606 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2607 * caller is responsible for assigning STP port numbers and ensuring
2608 * there are no duplicates. */
2610 set_stp_port(struct ofport
*ofport_
,
2611 const struct ofproto_port_stp_settings
*s
)
2613 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2614 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2615 struct stp_port
*sp
= ofport
->stp_port
;
2617 if (!s
|| !s
->enable
) {
2619 ofport
->stp_port
= NULL
;
2620 stp_port_disable(sp
);
2621 update_stp_port_state(ofport
);
2624 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2625 && ofport
== stp_port_get_aux(sp
)) {
2626 /* The port-id changed, so disable the old one if it's not
2627 * already in use by another port. */
2628 stp_port_disable(sp
);
2631 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2633 /* Set name before enabling the port so that debugging messages can print
2635 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2637 if (netdev_get_carrier(ofport_
->netdev
)) {
2638 stp_port_enable(sp
);
2640 stp_port_disable(sp
);
2643 stp_port_set_aux(sp
, ofport
);
2644 stp_port_set_priority(sp
, s
->priority
);
2645 stp_port_set_path_cost(sp
, s
->path_cost
);
2647 update_stp_port_state(ofport
);
2653 get_stp_port_status(struct ofport
*ofport_
,
2654 struct ofproto_port_stp_status
*s
)
2656 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2657 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2658 struct stp_port
*sp
= ofport
->stp_port
;
2660 if (!ofproto
->stp
|| !sp
) {
2666 stp_port_get_status(sp
, &s
->port_id
, &s
->state
, &s
->role
);
2667 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2673 get_stp_port_stats(struct ofport
*ofport_
,
2674 struct ofproto_port_stp_stats
*s
)
2676 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2677 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2678 struct stp_port
*sp
= ofport
->stp_port
;
2680 if (!ofproto
->stp
|| !sp
) {
2686 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2692 stp_run(struct ofproto_dpif
*ofproto
)
2695 long long int now
= time_msec();
2696 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2697 struct stp_port
*sp
;
2700 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2701 ofproto
->stp_last_tick
= now
;
2704 stp_check_and_update_link_state(ofproto
);
2706 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2707 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2710 update_stp_port_state(ofport
);
2714 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2715 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2716 mac_learning_flush(ofproto
->ml
);
2717 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2718 mcast_snooping_mdb_flush(ofproto
->ms
);
2724 stp_wait(struct ofproto_dpif
*ofproto
)
2727 poll_timer_wait(1000);
2731 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2732 * caller is responsible for assigning RSTP port numbers and ensuring
2733 * there are no duplicates. */
2735 set_rstp_port(struct ofport
*ofport_
,
2736 const struct ofproto_port_rstp_settings
*s
)
2738 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2739 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2740 struct rstp_port
*rp
= ofport
->rstp_port
;
2742 if (!s
|| !s
->enable
) {
2744 rstp_port_set_aux(rp
, NULL
);
2745 rstp_port_set_state(rp
, RSTP_DISABLED
);
2746 rstp_port_set_mac_operational(rp
, false);
2747 ofport
->rstp_port
= NULL
;
2748 rstp_port_unref(rp
);
2749 update_rstp_port_state(ofport
);
2754 /* Check if need to add a new port. */
2756 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2759 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2760 s
->admin_edge_port
, s
->auto_edge
,
2761 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2762 ofport
, netdev_get_name(ofport
->up
.netdev
));
2763 update_rstp_port_state(ofport
);
2764 /* Synchronize operational status. */
2765 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2769 get_rstp_port_status(struct ofport
*ofport_
,
2770 struct ofproto_port_rstp_status
*s
)
2772 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2773 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2774 struct rstp_port
*rp
= ofport
->rstp_port
;
2776 if (!ofproto
->rstp
|| !rp
) {
2782 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2783 &s
->designated_bridge_id
, &s
->designated_port_id
,
2784 &s
->designated_path_cost
, &s
->tx_count
,
2785 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2790 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2793 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2794 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2796 if (ofport
->n_qdscp
!= n_qdscp
2797 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2798 n_qdscp
* sizeof *qdscp
))) {
2799 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2800 free(ofport
->qdscp
);
2801 ofport
->qdscp
= n_qdscp
2802 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2804 ofport
->n_qdscp
= n_qdscp
;
2812 /* Expires all MAC learning entries associated with 'bundle' and forces its
2813 * ofproto to revalidate every flow.
2815 * Normally MAC learning entries are removed only from the ofproto associated
2816 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2817 * are removed from every ofproto. When patch ports and SLB bonds are in use
2818 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2819 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2820 * with the host from which it migrated. */
2822 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2824 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2825 struct mac_learning
*ml
= ofproto
->ml
;
2826 struct mac_entry
*mac
, *next_mac
;
2828 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2829 ovs_rwlock_wrlock(&ml
->rwlock
);
2830 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2831 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2833 struct ofproto_dpif
*o
;
2835 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2837 struct mac_entry
*e
;
2839 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2840 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2842 mac_learning_expire(o
->ml
, e
);
2844 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2849 mac_learning_expire(ml
, mac
);
2852 ovs_rwlock_unlock(&ml
->rwlock
);
2856 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2858 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2859 struct mac_learning
*ml
= ofproto
->ml
;
2860 struct mac_entry
*mac
, *next_mac
;
2862 ovs_assert(new->ofproto
== old
->ofproto
);
2864 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2865 ovs_rwlock_wrlock(&ml
->rwlock
);
2866 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2867 if (mac_entry_get_port(ml
, mac
) == old
) {
2868 mac_entry_set_port(ml
, mac
, new);
2871 ovs_rwlock_unlock(&ml
->rwlock
);
2874 static struct ofbundle
*
2875 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2877 struct ofbundle
*bundle
;
2879 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2880 &ofproto
->bundles
) {
2881 if (bundle
->aux
== aux
) {
2889 bundle_update(struct ofbundle
*bundle
)
2891 struct ofport_dpif
*port
;
2893 bundle
->floodable
= true;
2894 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2895 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2896 || netdev_vport_is_layer3(port
->up
.netdev
)
2897 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2898 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2899 bundle
->floodable
= false;
2906 bundle_del_port(struct ofport_dpif
*port
)
2908 struct ofbundle
*bundle
= port
->bundle
;
2910 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2912 ovs_list_remove(&port
->bundle_node
);
2913 port
->bundle
= NULL
;
2916 lacp_slave_unregister(bundle
->lacp
, port
);
2919 bond_slave_unregister(bundle
->bond
, port
);
2922 bundle_update(bundle
);
2926 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2927 struct lacp_slave_settings
*lacp
)
2929 struct ofport_dpif
*port
;
2931 port
= ofp_port_to_ofport(bundle
->ofproto
, ofp_port
);
2936 if (port
->bundle
!= bundle
) {
2937 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2939 bundle_remove(&port
->up
);
2942 port
->bundle
= bundle
;
2943 ovs_list_push_back(&bundle
->ports
, &port
->bundle_node
);
2944 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2945 || netdev_vport_is_layer3(port
->up
.netdev
)
2946 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2947 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2948 bundle
->floodable
= false;
2952 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2953 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2960 bundle_destroy(struct ofbundle
*bundle
)
2962 struct ofproto_dpif
*ofproto
;
2963 struct ofport_dpif
*port
, *next_port
;
2969 ofproto
= bundle
->ofproto
;
2970 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2973 xlate_bundle_remove(bundle
);
2976 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2977 bundle_del_port(port
);
2980 bundle_flush_macs(bundle
, true);
2981 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
2982 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2984 free(bundle
->trunks
);
2985 free(bundle
->cvlans
);
2986 lacp_unref(bundle
->lacp
);
2987 bond_unref(bundle
->bond
);
2992 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2993 const struct ofproto_bundle_settings
*s
)
2995 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2996 bool need_flush
= false;
2997 struct ofport_dpif
*port
;
2998 struct ofbundle
*bundle
;
2999 unsigned long *trunks
= NULL
;
3000 unsigned long *cvlans
= NULL
;
3006 bundle_destroy(bundle_lookup(ofproto
, aux
));
3010 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
3011 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
3013 bundle
= bundle_lookup(ofproto
, aux
);
3015 bundle
= xmalloc(sizeof *bundle
);
3017 bundle
->ofproto
= ofproto
;
3018 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
3019 hash_pointer(aux
, 0));
3021 bundle
->name
= NULL
;
3023 ovs_list_init(&bundle
->ports
);
3024 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
3025 bundle
->qinq_ethtype
= ETH_TYPE_VLAN_8021AD
;
3027 bundle
->trunks
= NULL
;
3028 bundle
->cvlans
= NULL
;
3029 bundle
->use_priority_tags
= s
->use_priority_tags
;
3030 bundle
->lacp
= NULL
;
3031 bundle
->bond
= NULL
;
3033 bundle
->floodable
= true;
3034 bundle
->protected = false;
3035 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
3038 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
3040 bundle
->name
= xstrdup(s
->name
);
3045 ofproto
->lacp_enabled
= true;
3046 if (!bundle
->lacp
) {
3047 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3048 bundle
->lacp
= lacp_create();
3050 lacp_configure(bundle
->lacp
, s
->lacp
);
3052 lacp_unref(bundle
->lacp
);
3053 bundle
->lacp
= NULL
;
3056 /* Update set of ports. */
3058 for (i
= 0; i
< s
->n_slaves
; i
++) {
3059 if (!bundle_add_port(bundle
, s
->slaves
[i
],
3060 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
3064 if (!ok
|| ovs_list_size(&bundle
->ports
) != s
->n_slaves
) {
3065 struct ofport_dpif
*next_port
;
3067 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
3068 for (i
= 0; i
< s
->n_slaves
; i
++) {
3069 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
3074 bundle_del_port(port
);
3078 ovs_assert(ovs_list_size(&bundle
->ports
) <= s
->n_slaves
);
3080 if (ovs_list_is_empty(&bundle
->ports
)) {
3081 bundle_destroy(bundle
);
3085 /* Set VLAN tagging mode */
3086 if (s
->vlan_mode
!= bundle
->vlan_mode
3087 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
3088 bundle
->vlan_mode
= s
->vlan_mode
;
3089 bundle
->use_priority_tags
= s
->use_priority_tags
;
3093 if (s
->qinq_ethtype
!= bundle
->qinq_ethtype
) {
3094 bundle
->qinq_ethtype
= s
->qinq_ethtype
;
3099 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
3100 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
3102 if (vlan
!= bundle
->vlan
) {
3103 bundle
->vlan
= vlan
;
3107 /* Get trunked VLANs. */
3108 switch (s
->vlan_mode
) {
3109 case PORT_VLAN_ACCESS
:
3113 case PORT_VLAN_TRUNK
:
3114 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3117 case PORT_VLAN_NATIVE_UNTAGGED
:
3118 case PORT_VLAN_NATIVE_TAGGED
:
3119 if (vlan
!= 0 && (!s
->trunks
3120 || !bitmap_is_set(s
->trunks
, vlan
)
3121 || bitmap_is_set(s
->trunks
, 0))) {
3122 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
3124 trunks
= bitmap_clone(s
->trunks
, 4096);
3126 trunks
= bitmap_allocate1(4096);
3128 bitmap_set1(trunks
, vlan
);
3129 bitmap_set0(trunks
, 0);
3131 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3135 case PORT_VLAN_DOT1Q_TUNNEL
:
3136 cvlans
= CONST_CAST(unsigned long *, s
->cvlans
);
3142 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
3143 free(bundle
->trunks
);
3144 if (trunks
== s
->trunks
) {
3145 bundle
->trunks
= vlan_bitmap_clone(trunks
);
3147 bundle
->trunks
= trunks
;
3152 if (trunks
!= s
->trunks
) {
3156 if (!vlan_bitmap_equal(cvlans
, bundle
->cvlans
)) {
3157 free(bundle
->cvlans
);
3158 if (cvlans
== s
->cvlans
) {
3159 bundle
->cvlans
= vlan_bitmap_clone(cvlans
);
3161 bundle
->cvlans
= cvlans
;
3166 if (cvlans
!= s
->cvlans
) {
3171 if (!ovs_list_is_short(&bundle
->ports
)) {
3172 bundle
->ofproto
->has_bonded_bundles
= true;
3174 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
3175 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3178 bundle
->bond
= bond_create(s
->bond
, ofproto
);
3179 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3182 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3183 bond_slave_register(bundle
->bond
, port
,
3184 port
->up
.ofp_port
, port
->up
.netdev
);
3187 bond_unref(bundle
->bond
);
3188 bundle
->bond
= NULL
;
3191 /* Set proteced port mode */
3192 if (s
->protected != bundle
->protected) {
3193 bundle
->protected = s
->protected;
3197 /* If we changed something that would affect MAC learning, un-learn
3198 * everything on this port and force flow revalidation. */
3200 bundle_flush_macs(bundle
, false);
3201 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
3208 bundle_remove(struct ofport
*port_
)
3210 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
3211 struct ofbundle
*bundle
= port
->bundle
;
3214 bundle_del_port(port
);
3215 if (ovs_list_is_empty(&bundle
->ports
)) {
3216 bundle_destroy(bundle
);
3217 } else if (ovs_list_is_short(&bundle
->ports
)) {
3218 bond_unref(bundle
->bond
);
3219 bundle
->bond
= NULL
;
3225 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
3227 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
3228 struct ofport_dpif
*port
= port_
;
3232 error
= netdev_get_etheraddr(port
->up
.netdev
, &ea
);
3234 struct dp_packet packet
;
3237 dp_packet_init(&packet
, 0);
3238 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
3240 memcpy(packet_pdu
, pdu
, pdu_size
);
3242 ofproto_dpif_send_packet(port
, false, &packet
);
3243 dp_packet_uninit(&packet
);
3245 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
3246 "%s (%s)", port
->bundle
->name
,
3247 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
3252 bundle_send_learning_packets(struct ofbundle
*bundle
)
3254 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
3255 int error
, n_packets
, n_errors
;
3256 struct mac_entry
*e
;
3258 struct ovs_list list_node
;
3259 struct ofport_dpif
*port
;
3260 struct dp_packet
*pkt
;
3262 struct ovs_list packets
;
3264 ovs_list_init(&packets
);
3265 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3266 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3267 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
3268 pkt_node
= xmalloc(sizeof *pkt_node
);
3269 pkt_node
->pkt
= bond_compose_learning_packet(bundle
->bond
,
3271 (void **)&pkt_node
->port
);
3272 ovs_list_push_back(&packets
, &pkt_node
->list_node
);
3275 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3277 error
= n_packets
= n_errors
= 0;
3278 LIST_FOR_EACH_POP (pkt_node
, list_node
, &packets
) {
3281 ret
= ofproto_dpif_send_packet(pkt_node
->port
, false, pkt_node
->pkt
);
3282 dp_packet_delete(pkt_node
->pkt
);
3292 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3293 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
3294 "packets, last error was: %s",
3295 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
3297 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3298 bundle
->name
, n_packets
);
3303 bundle_run(struct ofbundle
*bundle
)
3306 lacp_run(bundle
->lacp
, send_pdu_cb
);
3309 struct ofport_dpif
*port
;
3311 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3312 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3315 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3316 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3319 if (bond_should_send_learning_packets(bundle
->bond
)) {
3320 bundle_send_learning_packets(bundle
);
3326 bundle_wait(struct ofbundle
*bundle
)
3329 lacp_wait(bundle
->lacp
);
3332 bond_wait(bundle
->bond
);
3339 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3340 const struct ofproto_mirror_settings
*s
)
3342 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3343 struct ofbundle
**srcs
, **dsts
;
3348 mirror_destroy(ofproto
->mbridge
, aux
);
3352 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3353 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3355 for (i
= 0; i
< s
->n_srcs
; i
++) {
3356 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3359 for (i
= 0; i
< s
->n_dsts
; i
++) {
3360 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3363 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3364 s
->n_dsts
, s
->src_vlans
,
3365 bundle_lookup(ofproto
, s
->out_bundle
),
3366 s
->snaplen
, s
->out_vlan
);
3373 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3374 uint64_t *packets
, uint64_t *bytes
)
3376 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3381 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3383 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3384 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3385 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3386 mac_learning_flush(ofproto
->ml
);
3388 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3393 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3395 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3396 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3397 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3401 forward_bpdu_changed(struct ofproto
*ofproto_
)
3403 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3404 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3408 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3411 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3412 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3413 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3414 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3415 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3418 /* Configures multicast snooping on 'ofport' using the settings
3419 * defined in 's'. */
3421 set_mcast_snooping(struct ofproto
*ofproto_
,
3422 const struct ofproto_mcast_snooping_settings
*s
)
3424 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3426 /* Only revalidate flows if the configuration changed. */
3427 if (!s
!= !ofproto
->ms
) {
3428 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3433 ofproto
->ms
= mcast_snooping_create();
3436 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3437 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3438 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3439 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3440 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3442 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3444 mcast_snooping_unref(ofproto
->ms
);
3451 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3453 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3454 const struct ofproto_mcast_snooping_port_settings
*s
)
3456 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3457 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3459 if (ofproto
->ms
&& s
) {
3460 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3461 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3462 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3464 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3472 struct ofport_dpif
*
3473 ofp_port_to_ofport(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3475 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3476 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3480 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3481 struct ofproto_port
*ofproto_port
,
3482 struct dpif_port
*dpif_port
)
3484 ofproto_port
->name
= dpif_port
->name
;
3485 ofproto_port
->type
= dpif_port
->type
;
3486 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3490 ofport_update_peer(struct ofport_dpif
*ofport
)
3492 const struct ofproto_dpif
*ofproto
;
3493 struct dpif_backer
*backer
;
3496 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3500 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3501 backer
->need_revalidate
= REV_RECONFIGURE
;
3504 ofport
->peer
->peer
= NULL
;
3505 ofport
->peer
= NULL
;
3508 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3513 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3514 struct ofport
*peer_ofport
;
3515 struct ofport_dpif
*peer
;
3518 if (ofproto
->backer
!= backer
) {
3522 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3527 peer
= ofport_dpif_cast(peer_ofport
);
3528 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3529 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3531 ofport
->peer
= peer
;
3532 ofport
->peer
->peer
= ofport
;
3542 port_run(struct ofport_dpif
*ofport
)
3544 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3545 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3546 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3547 bool cfm_enable
= false;
3548 bool bfd_enable
= false;
3550 ofport
->carrier_seq
= carrier_seq
;
3553 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3555 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3557 if (cfm_opup
>= 0) {
3558 cfm_enable
= cfm_enable
&& cfm_opup
;
3563 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3566 if (ofport
->bfd
|| ofport
->cfm
) {
3567 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3570 if (ofport
->bundle
) {
3571 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3572 if (carrier_changed
) {
3573 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3577 if (ofport
->may_enable
!= enable
) {
3578 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3580 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3582 if (ofport
->rstp_port
) {
3583 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3586 /* Propagate liveness, unless the link is administratively or
3587 * operationally down. */
3588 if (!(ofport
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
3589 !(ofport
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
)) {
3590 enum ofputil_port_state of_state
= ofport
->up
.pp
.state
;
3592 of_state
|= OFPUTIL_PS_LIVE
;
3594 of_state
&= ~OFPUTIL_PS_LIVE
;
3596 ofproto_port_set_state(&ofport
->up
, of_state
);
3600 ofport
->may_enable
= enable
;
3604 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3605 struct ofproto_port
*ofproto_port
)
3607 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3608 struct dpif_port dpif_port
;
3611 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3612 const char *type
= netdev_get_type_from_name(devname
);
3614 /* We may be called before ofproto->up.port_by_name is populated with
3615 * the appropriate ofport. For this reason, we must get the name and
3616 * type from the netdev layer directly. */
3618 const struct ofport
*ofport
;
3620 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3621 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3622 ofproto_port
->name
= xstrdup(devname
);
3623 ofproto_port
->type
= xstrdup(type
);
3629 if (!sset_contains(&ofproto
->ports
, devname
)) {
3632 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3633 devname
, &dpif_port
);
3635 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3641 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3643 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3644 const char *devname
= netdev_get_name(netdev
);
3645 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3646 const char *dp_port_name
;
3648 if (netdev_vport_is_patch(netdev
)) {
3649 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3653 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3654 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3655 odp_port_t port_no
= ODPP_NONE
;
3658 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3662 if (netdev_get_tunnel_config(netdev
)) {
3663 simap_put(&ofproto
->backer
->tnl_backers
,
3664 dp_port_name
, odp_to_u32(port_no
));
3668 if (netdev_get_tunnel_config(netdev
)) {
3669 sset_add(&ofproto
->ghost_ports
, devname
);
3671 sset_add(&ofproto
->ports
, devname
);
3677 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3679 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3680 struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
3687 sset_find_and_delete(&ofproto
->ghost_ports
,
3688 netdev_get_name(ofport
->up
.netdev
));
3689 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3690 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3691 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
3693 /* The caller is going to close ofport->up.netdev. If this is a
3694 * bonded port, then the bond is using that netdev, so remove it
3695 * from the bond. The client will need to reconfigure everything
3696 * after deleting ports, so then the slave will get re-added. */
3697 bundle_remove(&ofport
->up
);
3704 port_set_config(const struct ofport
*ofport_
, const struct smap
*cfg
)
3706 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3707 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3709 if (sset_contains(&ofproto
->ghost_ports
,
3710 netdev_get_name(ofport
->up
.netdev
))) {
3714 return dpif_port_set_config(ofproto
->backer
->dpif
, ofport
->odp_port
, cfg
);
3718 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3720 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3723 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3725 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3726 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3728 ovs_mutex_lock(&ofproto
->stats_mutex
);
3729 /* ofproto->stats.tx_packets represents packets that we created
3730 * internally and sent to some port (e.g. packets sent with
3731 * ofproto_dpif_send_packet()). Account for them as if they had
3732 * come from OFPP_LOCAL and got forwarded. */
3734 if (stats
->rx_packets
!= UINT64_MAX
) {
3735 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3738 if (stats
->rx_bytes
!= UINT64_MAX
) {
3739 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3742 /* ofproto->stats.rx_packets represents packets that were received on
3743 * some port and we processed internally and dropped (e.g. STP).
3744 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3746 if (stats
->tx_packets
!= UINT64_MAX
) {
3747 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3750 if (stats
->tx_bytes
!= UINT64_MAX
) {
3751 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3753 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3760 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3762 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3763 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3764 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3771 struct port_dump_state
{
3772 struct sset_position pos
;
3775 struct ofproto_port port
;
3780 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3782 *statep
= xzalloc(sizeof(struct port_dump_state
));
3787 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3788 struct ofproto_port
*port
)
3790 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3791 struct port_dump_state
*state
= state_
;
3792 const struct sset
*sset
;
3793 struct sset_node
*node
;
3795 if (state
->has_port
) {
3796 ofproto_port_destroy(&state
->port
);
3797 state
->has_port
= false;
3799 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3800 while ((node
= sset_at_position(sset
, &state
->pos
))) {
3803 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3805 *port
= state
->port
;
3806 state
->has_port
= true;
3808 } else if (error
!= ENODEV
) {
3813 if (!state
->ghost
) {
3814 state
->ghost
= true;
3815 memset(&state
->pos
, 0, sizeof state
->pos
);
3816 return port_dump_next(ofproto_
, state_
, port
);
3823 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3825 struct port_dump_state
*state
= state_
;
3827 if (state
->has_port
) {
3828 ofproto_port_destroy(&state
->port
);
3835 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3837 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3839 if (ofproto
->port_poll_errno
) {
3840 int error
= ofproto
->port_poll_errno
;
3841 ofproto
->port_poll_errno
= 0;
3845 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3849 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3854 port_poll_wait(const struct ofproto
*ofproto_
)
3856 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3857 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3861 port_is_lacp_current(const struct ofport
*ofport_
)
3863 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3864 return (ofport
->bundle
&& ofport
->bundle
->lacp
3865 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3869 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3870 * then delete it entirely. */
3872 rule_expire(struct rule_dpif
*rule
, long long now
)
3873 OVS_REQUIRES(ofproto_mutex
)
3875 uint16_t hard_timeout
, idle_timeout
;
3878 hard_timeout
= rule
->up
.hard_timeout
;
3879 idle_timeout
= rule
->up
.idle_timeout
;
3881 /* Has 'rule' expired? */
3883 long long int modified
;
3885 ovs_mutex_lock(&rule
->up
.mutex
);
3886 modified
= rule
->up
.modified
;
3887 ovs_mutex_unlock(&rule
->up
.mutex
);
3889 if (now
> modified
+ hard_timeout
* 1000) {
3890 reason
= OFPRR_HARD_TIMEOUT
;
3894 if (reason
< 0 && idle_timeout
) {
3897 ovs_mutex_lock(&rule
->stats_mutex
);
3898 used
= rule
->stats
.used
;
3899 ovs_mutex_unlock(&rule
->stats_mutex
);
3901 if (now
> used
+ idle_timeout
* 1000) {
3902 reason
= OFPRR_IDLE_TIMEOUT
;
3907 COVERAGE_INC(ofproto_dpif_expired
);
3908 ofproto_rule_expire(&rule
->up
, reason
);
3913 ofproto_dpif_set_packet_odp_port(const struct ofproto_dpif
*ofproto
,
3914 ofp_port_t in_port
, struct dp_packet
*packet
)
3916 if (in_port
== OFPP_NONE
) {
3917 in_port
= OFPP_LOCAL
;
3919 packet
->md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3923 ofproto_dpif_execute_actions__(struct ofproto_dpif
*ofproto
,
3924 ovs_version_t version
, const struct flow
*flow
,
3925 struct rule_dpif
*rule
,
3926 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3927 int depth
, int resubmits
,
3928 struct dp_packet
*packet
)
3930 struct dpif_flow_stats stats
;
3931 struct xlate_out xout
;
3932 struct xlate_in xin
;
3933 struct dpif_execute execute
;
3936 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3938 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3941 rule_dpif_credit_stats(rule
, &stats
);
3944 uint64_t odp_actions_stub
[1024 / 8];
3945 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
3946 xlate_in_init(&xin
, ofproto
, version
, flow
, flow
->in_port
.ofp_port
, rule
,
3947 stats
.tcp_flags
, packet
, NULL
, &odp_actions
);
3948 xin
.ofpacts
= ofpacts
;
3949 xin
.ofpacts_len
= ofpacts_len
;
3950 xin
.resubmit_stats
= &stats
;
3952 xin
.resubmits
= resubmits
;
3953 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
3958 execute
.actions
= odp_actions
.data
;
3959 execute
.actions_len
= odp_actions
.size
;
3961 pkt_metadata_from_flow(&packet
->md
, flow
);
3962 execute
.packet
= packet
;
3963 execute
.flow
= flow
;
3964 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3965 execute
.probe
= false;
3968 /* Fix up in_port. */
3969 ofproto_dpif_set_packet_odp_port(ofproto
, flow
->in_port
.ofp_port
, packet
);
3971 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3973 xlate_out_uninit(&xout
);
3974 ofpbuf_uninit(&odp_actions
);
3979 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3980 * 'flow' must reflect the data in 'packet'. */
3982 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3983 ovs_version_t version
, const struct flow
*flow
,
3984 struct rule_dpif
*rule
,
3985 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3986 struct dp_packet
*packet
)
3988 return ofproto_dpif_execute_actions__(ofproto
, version
, flow
, rule
,
3989 ofpacts
, ofpacts_len
, 0, 0, packet
);
3993 rule_dpif_credit_stats__(struct rule_dpif
*rule
,
3994 const struct dpif_flow_stats
*stats
,
3996 OVS_REQUIRES(rule
->stats_mutex
)
3998 if (credit_counts
) {
3999 rule
->stats
.n_packets
+= stats
->n_packets
;
4000 rule
->stats
.n_bytes
+= stats
->n_bytes
;
4002 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
4006 rule_dpif_credit_stats(struct rule_dpif
*rule
,
4007 const struct dpif_flow_stats
*stats
)
4009 ovs_mutex_lock(&rule
->stats_mutex
);
4010 if (OVS_UNLIKELY(rule
->new_rule
)) {
4011 ovs_mutex_lock(&rule
->new_rule
->stats_mutex
);
4012 rule_dpif_credit_stats__(rule
->new_rule
, stats
, rule
->forward_counts
);
4013 ovs_mutex_unlock(&rule
->new_rule
->stats_mutex
);
4015 rule_dpif_credit_stats__(rule
, stats
, true);
4017 ovs_mutex_unlock(&rule
->stats_mutex
);
4020 /* Sets 'rule''s recirculation id. */
4022 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
4023 OVS_REQUIRES(rule
->up
.mutex
)
4025 ovs_assert(!rule
->recirc_id
|| rule
->recirc_id
== id
);
4026 if (rule
->recirc_id
== id
) {
4027 /* Release the new reference to the same id. */
4030 rule
->recirc_id
= id
;
4034 /* Sets 'rule''s recirculation id. */
4036 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
4038 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4040 ovs_mutex_lock(&rule
->up
.mutex
);
4041 rule_dpif_set_recirc_id(rule
, id
);
4042 ovs_mutex_unlock(&rule
->up
.mutex
);
4046 ofproto_dpif_get_tables_version(struct ofproto_dpif
*ofproto
)
4048 ovs_version_t version
;
4050 /* Use memory_order_acquire to signify that any following memory accesses
4051 * can not be reordered to happen before this atomic read. This makes sure
4052 * all following reads relate to this or a newer version, but never to an
4054 atomic_read_explicit(&ofproto
->tables_version
, &version
,
4055 memory_order_acquire
);
4059 /* The returned rule (if any) is valid at least until the next RCU quiescent
4060 * period. If the rule needs to stay around longer, the caller should take
4063 * 'flow' is non-const to allow for temporary modifications during the lookup.
4064 * Any changes are restored before returning. */
4065 static struct rule_dpif
*
4066 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, ovs_version_t version
,
4067 uint8_t table_id
, struct flow
*flow
,
4068 struct flow_wildcards
*wc
)
4070 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
4071 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls
, version
,
4076 ofproto_dpif_credit_table_stats(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
4077 uint64_t n_matches
, uint64_t n_misses
)
4079 struct oftable
*tbl
= &ofproto
->up
.tables
[table_id
];
4083 atomic_add_relaxed(&tbl
->n_matched
, n_matches
, &orig
);
4086 atomic_add_relaxed(&tbl
->n_missed
, n_misses
, &orig
);
4090 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
4091 * table '*table_id'. Returns the rule that was found, which may be one of the
4092 * special rules according to packet miss hadling. If 'may_packet_in' is
4093 * false, returning of the miss_rule (which issues packet ins for the
4094 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
4095 * that were used during the lookup.
4097 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
4098 * if none is found then the table miss configuration for that table is
4099 * honored, which can result in additional lookups in other OpenFlow tables.
4100 * In this case the function updates '*table_id' to reflect the final OpenFlow
4101 * table that was searched.
4103 * If 'honor_table_miss' is false, then only one table lookup occurs, in
4106 * The rule is returned in '*rule', which is valid at least until the next
4107 * RCU quiescent period. If the '*rule' needs to stay around longer, the
4108 * caller must take a reference.
4110 * 'in_port' allows the lookup to take place as if the in port had the value
4111 * 'in_port'. This is needed for resubmit action support.
4113 * 'flow' is non-const to allow for temporary modifications during the lookup.
4114 * Any changes are restored before returning. */
4116 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
4117 ovs_version_t version
, struct flow
*flow
,
4118 struct flow_wildcards
*wc
,
4119 const struct dpif_flow_stats
*stats
,
4120 uint8_t *table_id
, ofp_port_t in_port
,
4121 bool may_packet_in
, bool honor_table_miss
,
4122 struct xlate_cache
*xcache
)
4124 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
4125 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
4126 enum ofputil_table_miss miss_config
;
4127 struct rule_dpif
*rule
;
4130 /* We always unwildcard nw_frag (for IP), so they
4131 * need not be unwildcarded here. */
4132 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
4133 && ofproto
->up
.frag_handling
!= OFPUTIL_FRAG_NX_MATCH
) {
4134 if (ofproto
->up
.frag_handling
== OFPUTIL_FRAG_NORMAL
) {
4135 /* We must pretend that transport ports are unavailable. */
4136 flow
->tp_src
= htons(0);
4137 flow
->tp_dst
= htons(0);
4139 /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM).
4140 * Use the drop_frags_rule (which cannot disappear). */
4141 rule
= ofproto
->drop_frags_rule
;
4143 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
4146 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
4149 struct xc_entry
*entry
;
4151 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4152 entry
->table
.ofproto
= ofproto
;
4153 entry
->table
.id
= *table_id
;
4154 entry
->table
.match
= true;
4160 /* Look up a flow with 'in_port' as the input port. Then restore the
4161 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
4162 * have surprising behavior). */
4163 flow
->in_port
.ofp_port
= in_port
;
4165 /* Our current implementation depends on n_tables == N_TABLES, and
4166 * TBL_INTERNAL being the last table. */
4167 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
4169 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
4171 for (next_id
= *table_id
;
4172 next_id
< ofproto
->up
.n_tables
;
4173 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
4175 *table_id
= next_id
;
4176 rule
= rule_dpif_lookup_in_table(ofproto
, version
, next_id
, flow
, wc
);
4178 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
4181 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
4182 stats
->n_packets
, &orig
);
4185 struct xc_entry
*entry
;
4187 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4188 entry
->table
.ofproto
= ofproto
;
4189 entry
->table
.id
= next_id
;
4190 entry
->table
.match
= (rule
!= NULL
);
4193 goto out
; /* Match. */
4195 if (honor_table_miss
) {
4196 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
4198 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
4205 rule
= ofproto
->no_packet_in_rule
;
4206 if (may_packet_in
) {
4207 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
4208 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
4209 struct ofport_dpif
*port
;
4211 port
= ofp_port_to_ofport(ofproto
, old_in_port
);
4213 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu32
,
4215 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
4216 rule
= ofproto
->miss_rule
;
4218 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
4219 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
4220 rule
= ofproto
->miss_rule
;
4224 /* Restore port numbers, as they may have been modified above. */
4225 flow
->tp_src
= old_tp_src
;
4226 flow
->tp_dst
= old_tp_dst
;
4227 /* Restore the old in port. */
4228 flow
->in_port
.ofp_port
= old_in_port
;
4233 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
4235 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
4238 static struct rule
*
4241 struct rule_dpif
*rule
= xzalloc(sizeof *rule
);
4246 rule_dealloc(struct rule
*rule_
)
4248 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4253 check_mask(struct ofproto_dpif
*ofproto
, const struct miniflow
*flow
)
4255 const struct odp_support
*support
;
4256 uint16_t ct_state
, ct_zone
;
4260 support
= &ofproto
->backer
->support
.odp
;
4261 ct_state
= MINIFLOW_GET_U8(flow
, ct_state
);
4263 /* Do not bother dissecting the flow further if the datapath supports all
4264 * the features we know of. */
4265 if (support
->ct_state
&& support
->ct_zone
&& support
->ct_mark
4266 && support
->ct_label
&& support
->ct_state_nat
4267 && support
->ct_orig_tuple
) {
4268 return ct_state
& CS_UNSUPPORTED_MASK
? OFPERR_OFPBMC_BAD_MASK
: 0;
4271 ct_zone
= MINIFLOW_GET_U16(flow
, ct_zone
);
4272 ct_mark
= MINIFLOW_GET_U32(flow
, ct_mark
);
4273 ct_label
= MINIFLOW_GET_U128(flow
, ct_label
);
4275 if ((ct_state
&& !support
->ct_state
)
4276 || (ct_state
& CS_UNSUPPORTED_MASK
)
4277 || ((ct_state
& (CS_SRC_NAT
| CS_DST_NAT
)) && !support
->ct_state_nat
)
4278 || (ct_zone
&& !support
->ct_zone
)
4279 || (ct_mark
&& !support
->ct_mark
)
4280 || (!ovs_u128_is_zero(ct_label
) && !support
->ct_label
)) {
4281 return OFPERR_OFPBMC_BAD_MASK
;
4284 if (!support
->ct_orig_tuple
&&
4285 (MINIFLOW_GET_U8(flow
, ct_nw_proto
) ||
4286 MINIFLOW_GET_U16(flow
, ct_tp_src
) ||
4287 MINIFLOW_GET_U16(flow
, ct_tp_dst
) ||
4288 MINIFLOW_GET_U32(flow
, ct_nw_src
) ||
4289 MINIFLOW_GET_U32(flow
, ct_nw_dst
) ||
4290 !ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_src
)) ||
4291 !ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_dst
)))) {
4292 return OFPERR_OFPBMC_BAD_MASK
;
4299 report_unsupported_act(const char *action
, const char *detail
)
4301 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
4302 VLOG_WARN_RL(&rl
, "Rejecting %s action because datapath does not support"
4303 "%s%s (your kernel module may be out of date)",
4304 action
, detail
? " " : "", detail
? detail
: "");
4308 check_actions(const struct ofproto_dpif
*ofproto
,
4309 const struct rule_actions
*const actions
)
4311 const struct ofpact
*ofpact
;
4312 const struct odp_support
*support
= &ofproto
->backer
->support
.odp
;
4314 OFPACT_FOR_EACH (ofpact
, actions
->ofpacts
, actions
->ofpacts_len
) {
4315 if (ofpact
->type
== OFPACT_CT
) {
4316 const struct ofpact_conntrack
*ct
;
4317 const struct ofpact
*a
;
4319 ct
= CONTAINER_OF(ofpact
, struct ofpact_conntrack
, ofpact
);
4321 if (!support
->ct_state
) {
4322 report_unsupported_act("ct", "ct action");
4323 return OFPERR_OFPBAC_BAD_TYPE
;
4325 if ((ct
->zone_imm
|| ct
->zone_src
.field
) && !support
->ct_zone
) {
4326 report_unsupported_act("ct", "ct zones");
4327 return OFPERR_OFPBAC_BAD_ARGUMENT
;
4329 /* So far the force commit feature is implemented together with the
4330 * original direction tuple feature by all datapaths, so we use the
4331 * support flag for the 'ct_orig_tuple' to indicate support for the
4332 * force commit feature as well. */
4333 if ((ct
->flags
& NX_CT_F_FORCE
) && !support
->ct_orig_tuple
) {
4334 report_unsupported_act("ct", "force commit");
4335 return OFPERR_OFPBAC_BAD_ARGUMENT
;
4338 OFPACT_FOR_EACH(a
, ct
->actions
, ofpact_ct_get_action_len(ct
)) {
4339 const struct mf_field
*dst
= ofpact_get_mf_dst(a
);
4341 if (a
->type
== OFPACT_NAT
&& !support
->ct_state_nat
) {
4342 /* The backer doesn't seem to support the NAT bits in
4343 * 'ct_state': assume that it doesn't support the NAT
4345 report_unsupported_act("ct", "nat");
4346 return OFPERR_OFPBAC_BAD_TYPE
;
4348 if (dst
&& ((dst
->id
== MFF_CT_MARK
&& !support
->ct_mark
) ||
4349 (dst
->id
== MFF_CT_LABEL
&& !support
->ct_label
))) {
4350 report_unsupported_act("ct", "setting mark and/or label");
4351 return OFPERR_OFPBAC_BAD_SET_ARGUMENT
;
4354 } else if (ofpact
->type
== OFPACT_RESUBMIT
) {
4355 struct ofpact_resubmit
*resubmit
= ofpact_get_RESUBMIT(ofpact
);
4357 if (resubmit
->with_ct_orig
&& !support
->ct_orig_tuple
) {
4358 report_unsupported_act("resubmit",
4359 "ct original direction tuple");
4360 return OFPERR_OFPBAC_BAD_TYPE
;
4369 rule_check(struct rule
*rule
)
4371 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->ofproto
);
4374 err
= check_mask(ofproto
, &rule
->cr
.match
.mask
->masks
);
4378 return check_actions(ofproto
, rule
->actions
);
4382 rule_construct(struct rule
*rule_
)
4383 OVS_NO_THREAD_SAFETY_ANALYSIS
4385 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4388 error
= rule_check(rule_
);
4393 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
4394 rule
->stats
.n_packets
= 0;
4395 rule
->stats
.n_bytes
= 0;
4396 rule
->stats
.used
= rule
->up
.modified
;
4397 rule
->recirc_id
= 0;
4398 rule
->new_rule
= NULL
;
4399 rule
->forward_counts
= false;
4405 rule_insert(struct rule
*rule_
, struct rule
*old_rule_
, bool forward_counts
)
4406 OVS_REQUIRES(ofproto_mutex
)
4408 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4411 struct rule_dpif
*old_rule
= rule_dpif_cast(old_rule_
);
4413 ovs_assert(!old_rule
->new_rule
);
4415 /* Take a reference to the new rule, and refer all stats updates from
4416 * the old rule to the new rule. */
4417 ofproto_rule_ref(&rule
->up
);
4419 ovs_mutex_lock(&old_rule
->stats_mutex
);
4420 ovs_mutex_lock(&rule
->stats_mutex
);
4421 old_rule
->new_rule
= rule
; /* Forward future stats. */
4422 old_rule
->forward_counts
= forward_counts
;
4424 if (forward_counts
) {
4425 rule
->stats
= old_rule
->stats
; /* Transfer stats to the new
4428 /* Used timestamp must be forwarded whenever a rule is modified. */
4429 rule
->stats
.used
= old_rule
->stats
.used
;
4431 ovs_mutex_unlock(&rule
->stats_mutex
);
4432 ovs_mutex_unlock(&old_rule
->stats_mutex
);
4437 rule_destruct(struct rule
*rule_
)
4438 OVS_NO_THREAD_SAFETY_ANALYSIS
4440 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4442 ovs_mutex_destroy(&rule
->stats_mutex
);
4443 /* Release reference to the new rule, if any. */
4444 if (rule
->new_rule
) {
4445 ofproto_rule_unref(&rule
->new_rule
->up
);
4447 if (rule
->recirc_id
) {
4448 recirc_free_id(rule
->recirc_id
);
4453 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
4454 long long int *used
)
4456 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4458 ovs_mutex_lock(&rule
->stats_mutex
);
4459 if (OVS_UNLIKELY(rule
->new_rule
)) {
4460 rule_get_stats(&rule
->new_rule
->up
, packets
, bytes
, used
);
4462 *packets
= rule
->stats
.n_packets
;
4463 *bytes
= rule
->stats
.n_bytes
;
4464 *used
= rule
->stats
.used
;
4466 ovs_mutex_unlock(&rule
->stats_mutex
);
4469 struct ofproto_dpif_packet_out
{
4470 struct xlate_cache xcache
;
4471 struct ofpbuf odp_actions
;
4472 struct recirc_refs rr
;
4477 static struct ofproto_dpif_packet_out
*
4478 ofproto_dpif_packet_out_new(void)
4480 struct ofproto_dpif_packet_out
*aux
= xmalloc(sizeof *aux
);
4481 xlate_cache_init(&aux
->xcache
);
4482 ofpbuf_init(&aux
->odp_actions
, 64);
4483 aux
->rr
= RECIRC_REFS_EMPTY_INITIALIZER
;
4484 aux
->needs_help
= false;
4490 ofproto_dpif_packet_out_delete(struct ofproto_dpif_packet_out
*aux
)
4493 xlate_cache_uninit(&aux
->xcache
);
4494 ofpbuf_uninit(&aux
->odp_actions
);
4495 recirc_refs_unref(&aux
->rr
);
4501 packet_xlate(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4502 OVS_REQUIRES(ofproto_mutex
)
4504 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4505 struct xlate_out xout
;
4506 struct xlate_in xin
;
4507 enum ofperr error
= 0;
4509 struct ofproto_dpif_packet_out
*aux
= ofproto_dpif_packet_out_new();
4511 xlate_in_init(&xin
, ofproto
, opo
->version
, opo
->flow
,
4512 opo
->flow
->in_port
.ofp_port
, NULL
, 0, opo
->packet
, NULL
,
4514 xin
.ofpacts
= opo
->ofpacts
;
4515 xin
.ofpacts_len
= opo
->ofpacts_len
;
4516 /* No learning or stats, but collect side effects to xcache. */
4517 xin
.allow_side_effects
= false;
4518 xin
.resubmit_stats
= NULL
;
4519 xin
.xcache
= &aux
->xcache
;
4520 xin
.in_packet_out
= true;
4522 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
4523 error
= OFPERR_OFPFMFC_UNKNOWN
; /* Error processing actions. */
4526 /* Prepare learn actions. */
4527 struct xc_entry
*entry
;
4528 struct ofpbuf entries
= aux
->xcache
.entries
;
4530 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4531 if (entry
->type
== XC_LEARN
) {
4532 struct ofproto_flow_mod
*ofm
= entry
->learn
.ofm
;
4534 error
= ofproto_flow_mod_learn_refresh(ofm
);
4538 struct rule
*rule
= ofm
->temp_rule
;
4539 ofm
->learn_adds_rule
= (rule
->state
== RULE_INITIALIZED
);
4540 if (ofm
->learn_adds_rule
) {
4541 /* If learning on a different bridge, must use its next
4542 * version number. */
4543 ofm
->version
= (rule
->ofproto
== ofproto_
)
4544 ? opo
->version
: rule
->ofproto
->tables_version
+ 1;
4545 error
= ofproto_flow_mod_learn_start(ofm
);
4554 aux
->needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
4555 recirc_refs_swap(&aux
->rr
, &xout
.recircs
); /* Hold recirc refs. */
4557 xlate_out_uninit(&xout
);
4562 xlate_out_uninit(&xout
);
4563 ofproto_dpif_packet_out_delete(aux
);
4569 packet_xlate_revert(struct ofproto
*ofproto OVS_UNUSED
,
4570 struct ofproto_packet_out
*opo
)
4571 OVS_REQUIRES(ofproto_mutex
)
4573 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4576 /* Revert the learned flows. */
4577 struct xc_entry
*entry
;
4578 struct ofpbuf entries
= aux
->xcache
.entries
;
4580 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4581 if (entry
->type
== XC_LEARN
&& entry
->learn
.ofm
->learn_adds_rule
) {
4582 ofproto_flow_mod_learn_revert(entry
->learn
.ofm
);
4586 ofproto_dpif_packet_out_delete(aux
);
4590 /* Push stats and perform side effects of flow translation. */
4592 ofproto_dpif_xcache_execute(struct ofproto_dpif
*ofproto
,
4593 struct xlate_cache
*xcache
,
4594 const struct dpif_flow_stats
*stats
)
4595 OVS_REQUIRES(ofproto_mutex
)
4597 struct xc_entry
*entry
;
4598 struct ofpbuf entries
= xcache
->entries
;
4600 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4601 switch (entry
->type
) {
4603 /* Finish the learned flows. */
4604 if (entry
->learn
.ofm
->learn_adds_rule
) {
4605 ofproto_flow_mod_learn_finish(entry
->learn
.ofm
, &ofproto
->up
);
4608 case XC_FIN_TIMEOUT
:
4609 if (stats
->tcp_flags
& (TCP_FIN
| TCP_RST
)) {
4610 /* 'ofproto_mutex' already held */
4611 ofproto_rule_reduce_timeouts__(&entry
->fin
.rule
->up
,
4616 /* All the rest can be dealt with by the xlate layer. */
4627 xlate_push_stats_entry(entry
, stats
);
4636 packet_execute(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4637 OVS_REQUIRES(ofproto_mutex
)
4639 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4640 struct dpif_flow_stats stats
;
4641 struct dpif_execute execute
;
4643 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4646 /* Run the side effects from the xcache. */
4647 dpif_flow_stats_extract(opo
->flow
, opo
->packet
, time_msec(), &stats
);
4648 ofproto_dpif_xcache_execute(ofproto
, &aux
->xcache
, &stats
);
4650 execute
.actions
= aux
->odp_actions
.data
;
4651 execute
.actions_len
= aux
->odp_actions
.size
;
4653 pkt_metadata_from_flow(&opo
->packet
->md
, opo
->flow
);
4654 execute
.packet
= opo
->packet
;
4655 execute
.flow
= opo
->flow
;
4656 execute
.needs_help
= aux
->needs_help
;
4657 execute
.probe
= false;
4660 /* Fix up in_port. */
4661 ofproto_dpif_set_packet_odp_port(ofproto
, opo
->flow
->in_port
.ofp_port
,
4664 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4665 ofproto_dpif_packet_out_delete(aux
);
4669 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
4671 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
4674 static struct ofgroup
*
4677 struct group_dpif
*group
= xzalloc(sizeof *group
);
4682 group_dealloc(struct ofgroup
*group_
)
4684 struct group_dpif
*group
= group_dpif_cast(group_
);
4689 group_construct_stats(struct group_dpif
*group
)
4690 OVS_REQUIRES(group
->stats_mutex
)
4692 group
->packet_count
= 0;
4693 group
->byte_count
= 0;
4695 struct ofputil_bucket
*bucket
;
4696 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4697 bucket
->stats
.packet_count
= 0;
4698 bucket
->stats
.byte_count
= 0;
4703 group_dpif_credit_stats(struct group_dpif
*group
,
4704 struct ofputil_bucket
*bucket
,
4705 const struct dpif_flow_stats
*stats
)
4707 ovs_mutex_lock(&group
->stats_mutex
);
4708 group
->packet_count
+= stats
->n_packets
;
4709 group
->byte_count
+= stats
->n_bytes
;
4711 bucket
->stats
.packet_count
+= stats
->n_packets
;
4712 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4713 } else { /* Credit to all buckets */
4714 struct ofputil_bucket
*bucket
;
4715 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4716 bucket
->stats
.packet_count
+= stats
->n_packets
;
4717 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4720 ovs_mutex_unlock(&group
->stats_mutex
);
4724 group_construct(struct ofgroup
*group_
)
4726 struct group_dpif
*group
= group_dpif_cast(group_
);
4728 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4729 ovs_mutex_lock(&group
->stats_mutex
);
4730 group_construct_stats(group
);
4731 ovs_mutex_unlock(&group
->stats_mutex
);
4736 group_destruct(struct ofgroup
*group_
)
4738 struct group_dpif
*group
= group_dpif_cast(group_
);
4739 ovs_mutex_destroy(&group
->stats_mutex
);
4743 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4745 struct group_dpif
*group
= group_dpif_cast(group_
);
4747 ovs_mutex_lock(&group
->stats_mutex
);
4748 ogs
->packet_count
= group
->packet_count
;
4749 ogs
->byte_count
= group
->byte_count
;
4751 struct bucket_counter
*bucket_stats
= ogs
->bucket_stats
;
4752 struct ofputil_bucket
*bucket
;
4753 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4754 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4755 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4758 ovs_mutex_unlock(&group
->stats_mutex
);
4763 /* If the group exists, this function increments the groups's reference count.
4765 * Make sure to call ofproto_group_unref() after no longer needing to maintain
4766 * a reference to the group. */
4768 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4769 ovs_version_t version
, bool take_ref
)
4771 struct ofgroup
*ofgroup
= ofproto_group_lookup(&ofproto
->up
, group_id
,
4773 return ofgroup
? group_dpif_cast(ofgroup
) : NULL
;
4776 /* Sends 'packet' out 'ofport'. If 'port' is a tunnel and that tunnel type
4777 * supports a notion of an OAM flag, sets it if 'oam' is true.
4778 * May modify 'packet'.
4779 * Returns 0 if successful, otherwise a positive errno value. */
4781 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, bool oam
,
4782 struct dp_packet
*packet
)
4784 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4787 error
= xlate_send_packet(ofport
, oam
, packet
);
4789 ovs_mutex_lock(&ofproto
->stats_mutex
);
4790 ofproto
->stats
.tx_packets
++;
4791 ofproto
->stats
.tx_bytes
+= dp_packet_size(packet
);
4792 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4796 /* Return the version string of the datapath that backs up
4800 get_datapath_version(const struct ofproto
*ofproto_
)
4802 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4804 return ofproto
->backer
->dp_version_string
;
4808 type_set_config(const char *type
, const struct smap
*other_config
)
4810 struct dpif_backer
*backer
;
4812 backer
= shash_find_data(&all_dpif_backers
, type
);
4814 /* This is not necessarily a problem, since backers are only
4815 * created on demand. */
4819 dpif_set_config(backer
->dpif
, other_config
);
4823 ct_flush(const struct ofproto
*ofproto_
, const uint16_t *zone
)
4825 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4827 ct_dpif_flush(ofproto
->backer
->dpif
, zone
);
4831 set_frag_handling(struct ofproto
*ofproto_
,
4832 enum ofputil_frag_handling frag_handling
)
4834 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4835 if (frag_handling
!= OFPUTIL_FRAG_REASM
) {
4836 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4844 nxt_resume(struct ofproto
*ofproto_
,
4845 const struct ofputil_packet_in_private
*pin
)
4847 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4849 /* Translate pin into datapath actions. */
4850 uint64_t odp_actions_stub
[1024 / 8];
4851 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
4852 enum slow_path_reason slow
;
4853 enum ofperr error
= xlate_resume(ofproto
, pin
, &odp_actions
, &slow
);
4855 /* Steal 'pin->packet' and put it into a dp_packet. */
4856 struct dp_packet packet
;
4857 dp_packet_init(&packet
, pin
->public.packet_len
);
4858 dp_packet_put(&packet
, pin
->public.packet
, pin
->public.packet_len
);
4860 pkt_metadata_from_flow(&packet
.md
, &pin
->public.flow_metadata
.flow
);
4862 /* Fix up in_port. */
4863 ofproto_dpif_set_packet_odp_port(ofproto
,
4864 pin
->public.flow_metadata
.flow
.in_port
.ofp_port
,
4867 struct flow headers
;
4868 flow_extract(&packet
, &headers
);
4870 /* Execute the datapath actions on the packet. */
4871 struct dpif_execute execute
= {
4872 .actions
= odp_actions
.data
,
4873 .actions_len
= odp_actions
.size
,
4874 .needs_help
= (slow
& SLOW_ACTION
) != 0,
4878 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4881 ofpbuf_uninit(&odp_actions
);
4882 dp_packet_uninit(&packet
);
4890 set_netflow(struct ofproto
*ofproto_
,
4891 const struct netflow_options
*netflow_options
)
4893 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4895 if (netflow_options
) {
4896 if (!ofproto
->netflow
) {
4897 ofproto
->netflow
= netflow_create();
4898 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4900 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4901 } else if (ofproto
->netflow
) {
4902 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4903 netflow_unref(ofproto
->netflow
);
4904 ofproto
->netflow
= NULL
;
4911 get_netflow_ids(const struct ofproto
*ofproto_
,
4912 uint8_t *engine_type
, uint8_t *engine_id
)
4914 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4916 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4919 struct ofproto_dpif
*
4920 ofproto_dpif_lookup(const char *name
)
4922 struct ofproto_dpif
*ofproto
;
4924 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
4925 hash_string(name
, 0), &all_ofproto_dpifs
) {
4926 if (!strcmp(ofproto
->up
.name
, name
)) {
4934 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4935 const char *argv
[], void *aux OVS_UNUSED
)
4937 struct ofproto_dpif
*ofproto
;
4940 ofproto
= ofproto_dpif_lookup(argv
[1]);
4942 unixctl_command_reply_error(conn
, "no such bridge");
4945 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4946 mac_learning_flush(ofproto
->ml
);
4947 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4949 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4950 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4951 mac_learning_flush(ofproto
->ml
);
4952 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4956 unixctl_command_reply(conn
, "table successfully flushed");
4960 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4961 const char *argv
[], void *aux OVS_UNUSED
)
4963 struct ofproto_dpif
*ofproto
;
4966 ofproto
= ofproto_dpif_lookup(argv
[1]);
4968 unixctl_command_reply_error(conn
, "no such bridge");
4972 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4973 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4976 mcast_snooping_mdb_flush(ofproto
->ms
);
4978 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4979 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4982 mcast_snooping_mdb_flush(ofproto
->ms
);
4986 unixctl_command_reply(conn
, "table successfully flushed");
4989 static struct ofport_dpif
*
4990 ofbundle_get_a_port(const struct ofbundle
*bundle
)
4992 return CONTAINER_OF(ovs_list_front(&bundle
->ports
), struct ofport_dpif
,
4997 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4998 const char *argv
[], void *aux OVS_UNUSED
)
5000 struct ds ds
= DS_EMPTY_INITIALIZER
;
5001 const struct ofproto_dpif
*ofproto
;
5002 const struct mac_entry
*e
;
5004 ofproto
= ofproto_dpif_lookup(argv
[1]);
5006 unixctl_command_reply_error(conn
, "no such bridge");
5010 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
5011 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
5012 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
5013 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
5014 char name
[OFP10_MAX_PORT_NAME_LEN
];
5016 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5017 NULL
, name
, sizeof name
);
5018 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
5019 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
5020 mac_entry_age(ofproto
->ml
, e
));
5022 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
5023 unixctl_command_reply(conn
, ds_cstr(&ds
));
5028 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
5029 int argc OVS_UNUSED
,
5031 void *aux OVS_UNUSED
)
5033 struct ds ds
= DS_EMPTY_INITIALIZER
;
5034 const struct ofproto_dpif
*ofproto
;
5035 const struct ofbundle
*bundle
;
5036 const struct mcast_group
*grp
;
5037 struct mcast_group_bundle
*b
;
5038 struct mcast_mrouter_bundle
*mrouter
;
5040 ofproto
= ofproto_dpif_lookup(argv
[1]);
5042 unixctl_command_reply_error(conn
, "no such bridge");
5046 if (!mcast_snooping_enabled(ofproto
->ms
)) {
5047 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
5051 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
5052 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
5053 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
5054 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
5055 char name
[OFP10_MAX_PORT_NAME_LEN
];
5058 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5059 NULL
, name
, sizeof name
);
5060 ds_put_format(&ds
, "%5s %4d ", name
, grp
->vlan
);
5061 ipv6_format_mapped(&grp
->addr
, &ds
);
5062 ds_put_format(&ds
, " %3d\n",
5063 mcast_bundle_age(ofproto
->ms
, b
));
5067 /* ports connected to multicast routers */
5068 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
5069 char name
[OFP10_MAX_PORT_NAME_LEN
];
5071 bundle
= mrouter
->port
;
5072 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5073 NULL
, name
, sizeof name
);
5074 ds_put_format(&ds
, "%5s %4d querier %3d\n",
5075 name
, mrouter
->vlan
,
5076 mcast_mrouter_age(ofproto
->ms
, mrouter
));
5078 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
5079 unixctl_command_reply(conn
, ds_cstr(&ds
));
5083 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5084 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5085 * to destroy 'ofproto_shash' and free the returned value. */
5086 static const struct shash_node
**
5087 get_ofprotos(struct shash
*ofproto_shash
)
5089 const struct ofproto_dpif
*ofproto
;
5091 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
5092 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
5093 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
5096 return shash_sort(ofproto_shash
);
5100 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5101 const char *argv
[] OVS_UNUSED
,
5102 void *aux OVS_UNUSED
)
5104 struct ds ds
= DS_EMPTY_INITIALIZER
;
5105 struct shash ofproto_shash
;
5106 const struct shash_node
**sorted_ofprotos
;
5109 shash_init(&ofproto_shash
);
5110 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
5111 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5112 const struct shash_node
*node
= sorted_ofprotos
[i
];
5113 ds_put_format(&ds
, "%s\n", node
->name
);
5116 shash_destroy(&ofproto_shash
);
5117 free(sorted_ofprotos
);
5119 unixctl_command_reply(conn
, ds_cstr(&ds
));
5124 show_dp_feature_bool(struct ds
*ds
, const char *feature
, bool b
)
5126 ds_put_format(ds
, "%s: %s\n", feature
, b
? "Yes" : "No");
5130 show_dp_feature_size_t(struct ds
*ds
, const char *feature
, size_t s
)
5132 ds_put_format(ds
, "%s: %"PRIuSIZE
"\n", feature
, s
);
5136 dpif_show_support(const struct dpif_backer_support
*support
, struct ds
*ds
)
5138 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5139 show_dp_feature_##TYPE (ds, TITLE, support->NAME);
5141 #undef DPIF_SUPPORT_FIELD
5143 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5144 show_dp_feature_##TYPE (ds, TITLE, support->odp.NAME );
5146 #undef ODP_SUPPORT_FIELD
5150 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
5152 const struct shash_node
**ofprotos
;
5153 struct dpif_dp_stats dp_stats
;
5154 struct shash ofproto_shash
;
5157 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
5158 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
5159 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
5161 shash_init(&ofproto_shash
);
5162 ofprotos
= get_ofprotos(&ofproto_shash
);
5163 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5164 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
5165 const struct shash_node
**ports
;
5168 if (ofproto
->backer
!= backer
) {
5172 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
5174 ports
= shash_sort(&ofproto
->up
.port_by_name
);
5175 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
5176 const struct shash_node
*node
= ports
[j
];
5177 struct ofport
*ofport
= node
->data
;
5179 odp_port_t odp_port
;
5181 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
5184 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
5185 if (odp_port
!= ODPP_NONE
) {
5186 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
5188 ds_put_cstr(ds
, "none:");
5191 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
5194 if (!netdev_get_config(ofport
->netdev
, &config
)) {
5195 const struct smap_node
**nodes
;
5198 nodes
= smap_sort(&config
);
5199 for (i
= 0; i
< smap_count(&config
); i
++) {
5200 const struct smap_node
*node
= nodes
[i
];
5201 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
5202 node
->key
, node
->value
);
5206 smap_destroy(&config
);
5208 ds_put_char(ds
, ')');
5209 ds_put_char(ds
, '\n');
5213 shash_destroy(&ofproto_shash
);
5218 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5219 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
5221 struct ds ds
= DS_EMPTY_INITIALIZER
;
5222 const struct shash_node
**backers
;
5225 backers
= shash_sort(&all_dpif_backers
);
5226 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5227 dpif_show_backer(backers
[i
]->data
, &ds
);
5231 unixctl_command_reply(conn
, ds_cstr(&ds
));
5236 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
5237 int argc OVS_UNUSED
, const char *argv
[],
5238 void *aux OVS_UNUSED
)
5240 const struct ofproto_dpif
*ofproto
;
5242 struct ds ds
= DS_EMPTY_INITIALIZER
;
5243 bool verbosity
= false;
5245 struct dpif_port dpif_port
;
5246 struct dpif_port_dump port_dump
;
5247 struct hmap portno_names
;
5249 struct dpif_flow_dump
*flow_dump
;
5250 struct dpif_flow_dump_thread
*flow_dump_thread
;
5254 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
5256 unixctl_command_reply_error(conn
, "no such bridge");
5260 if (argc
> 2 && !strcmp(argv
[1], "-m")) {
5264 hmap_init(&portno_names
);
5265 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5266 odp_portno_names_set(&portno_names
, dpif_port
.port_no
, dpif_port
.name
);
5270 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false, NULL
);
5271 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5272 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5275 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5276 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5281 odp_format_ufid(&f
.ufid
, &ds
);
5282 ds_put_cstr(&ds
, " ");
5284 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5285 &portno_names
, &ds
, verbosity
);
5286 ds_put_cstr(&ds
, ", ");
5287 dpif_flow_stats_format(&f
.stats
, &ds
);
5288 ds_put_cstr(&ds
, ", actions:");
5289 format_odp_actions(&ds
, f
.actions
, f
.actions_len
);
5290 ds_put_char(&ds
, '\n');
5292 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5293 error
= dpif_flow_dump_destroy(flow_dump
);
5297 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5298 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5300 unixctl_command_reply(conn
, ds_cstr(&ds
));
5302 odp_portno_names_destroy(&portno_names
);
5303 hmap_destroy(&portno_names
);
5308 ofproto_revalidate_all_backers(void)
5310 const struct shash_node
**backers
;
5313 backers
= shash_sort(&all_dpif_backers
);
5314 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5315 struct dpif_backer
*backer
= backers
[i
]->data
;
5316 backer
->need_revalidate
= REV_RECONFIGURE
;
5322 disable_tnl_push_pop(struct unixctl_conn
*conn OVS_UNUSED
, int argc OVS_UNUSED
,
5323 const char *argv
[], void *aux OVS_UNUSED
)
5325 if (!strcasecmp(argv
[1], "off")) {
5326 ofproto_use_tnl_push_pop
= false;
5327 unixctl_command_reply(conn
, "Tunnel push-pop off");
5328 ofproto_revalidate_all_backers();
5329 } else if (!strcasecmp(argv
[1], "on")) {
5330 ofproto_use_tnl_push_pop
= true;
5331 unixctl_command_reply(conn
, "Tunnel push-pop on");
5332 ofproto_revalidate_all_backers();
5334 unixctl_command_reply_error(conn
, "Invalid argument");
5339 disable_datapath_truncate(struct unixctl_conn
*conn OVS_UNUSED
,
5340 int argc OVS_UNUSED
,
5341 const char *argv
[] OVS_UNUSED
,
5342 void *aux OVS_UNUSED
)
5344 const struct shash_node
**backers
;
5347 backers
= shash_sort(&all_dpif_backers
);
5348 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5349 struct dpif_backer
*backer
= backers
[i
]->data
;
5350 backer
->support
.trunc
= false;
5353 unixctl_command_reply(conn
, "Datapath truncate action diabled");
5357 disable_datapath_clone(struct unixctl_conn
*conn OVS_UNUSED
,
5358 int argc
, const char *argv
[],
5359 void *aux OVS_UNUSED
)
5361 struct ds ds
= DS_EMPTY_INITIALIZER
;
5362 const char *br
= argv
[argc
-1];
5363 struct ofproto_dpif
*ofproto
;
5365 ofproto
= ofproto_dpif_lookup(br
);
5367 unixctl_command_reply_error(conn
, "no such bridge");
5370 xlate_disable_dp_clone(ofproto
);
5371 udpif_flush(ofproto
->backer
->udpif
);
5372 ds_put_format(&ds
, "Datapath clone action disabled for bridge %s", br
);
5373 unixctl_command_reply(conn
, ds_cstr(&ds
));
5378 ofproto_unixctl_dpif_show_dp_features(struct unixctl_conn
*conn
,
5379 int argc
, const char *argv
[],
5380 void *aux OVS_UNUSED
)
5382 struct ds ds
= DS_EMPTY_INITIALIZER
;
5383 const char *br
= argv
[argc
-1];
5384 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup(br
);
5387 unixctl_command_reply_error(conn
, "no such bridge");
5391 dpif_show_support(&ofproto
->backer
->support
, &ds
);
5392 unixctl_command_reply(conn
, ds_cstr(&ds
));
5396 ofproto_unixctl_init(void)
5398 static bool registered
;
5404 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5405 ofproto_unixctl_fdb_flush
, NULL
);
5406 unixctl_command_register("fdb/show", "bridge", 1, 1,
5407 ofproto_unixctl_fdb_show
, NULL
);
5408 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5409 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5410 unixctl_command_register("mdb/show", "bridge", 1, 1,
5411 ofproto_unixctl_mcast_snooping_show
, NULL
);
5412 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5413 ofproto_unixctl_dpif_dump_dps
, NULL
);
5414 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5416 unixctl_command_register("dpif/show-dp-features", "bridge", 1, 1,
5417 ofproto_unixctl_dpif_show_dp_features
, NULL
);
5418 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5419 ofproto_unixctl_dpif_dump_flows
, NULL
);
5421 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5422 disable_tnl_push_pop
, NULL
);
5424 unixctl_command_register("dpif/disable-truncate", "", 0, 0,
5425 disable_datapath_truncate
, NULL
);
5427 unixctl_command_register("dpif/disable-dp-clone", "bridge", 1, 1,
5428 disable_datapath_clone
, NULL
);
5432 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5434 const struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
5435 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5438 struct ofport_dpif
*
5439 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5441 struct ofport_dpif
*port
;
5443 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5444 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5445 &backer
->odp_to_ofport_map
) {
5446 if (port
->odp_port
== odp_port
) {
5447 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5452 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5457 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5459 struct ofport_dpif
*port
;
5461 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5462 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5463 return port
->up
.ofp_port
;
5470 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5471 const struct match
*match
, int priority
,
5472 uint16_t idle_timeout
,
5473 const struct ofpbuf
*ofpacts
,
5474 struct rule
**rulep
)
5476 struct ofputil_flow_mod fm
;
5477 struct rule_dpif
*rule
;
5480 fm
= (struct ofputil_flow_mod
) {
5481 .buffer_id
= UINT32_MAX
,
5483 .priority
= priority
,
5484 .table_id
= TBL_INTERNAL
,
5485 .command
= OFPFC_ADD
,
5486 .idle_timeout
= idle_timeout
,
5487 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5488 .ofpacts
= ofpacts
->data
,
5489 .ofpacts_len
= ofpacts
->size
,
5492 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5494 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5495 ofperr_to_string(error
));
5500 rule
= rule_dpif_lookup_in_table(ofproto
,
5501 ofproto_dpif_get_tables_version(ofproto
),
5502 TBL_INTERNAL
, &fm
.match
.flow
,
5513 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5514 struct match
*match
, int priority
)
5516 struct ofputil_flow_mod fm
;
5519 fm
= (struct ofputil_flow_mod
) {
5520 .buffer_id
= UINT32_MAX
,
5522 .priority
= priority
,
5523 .table_id
= TBL_INTERNAL
,
5524 .out_port
= OFPP_ANY
,
5525 .out_group
= OFPG_ANY
,
5526 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5527 .command
= OFPFC_DELETE_STRICT
,
5530 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5532 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5533 ofperr_to_string(error
));
5541 meter_get_features(const struct ofproto
*ofproto_
,
5542 struct ofputil_meter_features
*features
)
5544 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5546 dpif_meter_get_features(ofproto
->backer
->dpif
, features
);
5550 meter_set(struct ofproto
*ofproto_
, ofproto_meter_id
*meter_id
,
5551 struct ofputil_meter_config
*config
)
5553 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5555 /* Provider ID unknown. Use backer to allocate a new DP meter */
5556 if (meter_id
->uint32
== UINT32_MAX
) {
5557 if (!ofproto
->backer
->meter_ids
) {
5558 return EFBIG
; /* Datapath does not support meter. */
5561 if(!id_pool_alloc_id(ofproto
->backer
->meter_ids
, &meter_id
->uint32
)) {
5562 return ENOMEM
; /* Can't allocate a DP meter. */
5566 switch (dpif_meter_set(ofproto
->backer
->dpif
, meter_id
, config
)) {
5569 case EFBIG
: /* meter_id out of range */
5570 case ENOMEM
: /* Cannot allocate meter */
5571 return OFPERR_OFPMMFC_OUT_OF_METERS
;
5572 case EBADF
: /* Unsupported flags */
5573 return OFPERR_OFPMMFC_BAD_FLAGS
;
5574 case EINVAL
: /* Too many bands */
5575 return OFPERR_OFPMMFC_OUT_OF_BANDS
;
5576 case ENODEV
: /* Unsupported band type */
5577 return OFPERR_OFPMMFC_BAD_BAND
;
5579 return OFPERR_OFPMMFC_UNKNOWN
;
5584 meter_get(const struct ofproto
*ofproto_
, ofproto_meter_id meter_id
,
5585 struct ofputil_meter_stats
*stats
, uint16_t n_bands
)
5587 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5589 if (!dpif_meter_get(ofproto
->backer
->dpif
, meter_id
, stats
, n_bands
)) {
5592 return OFPERR_OFPMMFC_UNKNOWN_METER
;
5595 struct free_meter_id_args
{
5596 struct ofproto_dpif
*ofproto
;
5597 ofproto_meter_id meter_id
;
5601 free_meter_id(struct free_meter_id_args
*args
)
5603 struct ofproto_dpif
*ofproto
= args
->ofproto
;
5605 dpif_meter_del(ofproto
->backer
->dpif
, args
->meter_id
, NULL
, 0);
5606 id_pool_free_id(ofproto
->backer
->meter_ids
, args
->meter_id
.uint32
);
5611 meter_del(struct ofproto
*ofproto_
, ofproto_meter_id meter_id
)
5613 struct free_meter_id_args
*arg
= xmalloc(sizeof *arg
);
5615 /* Before a meter can be deleted, Openflow spec requires all rules
5616 * referring to the meter to be (automatically) removed before the
5617 * meter is deleted. However, since vswitchd is multi-threaded,
5618 * those rules and their actions remain accessible by other threads,
5619 * especially by the handler and revalidator threads.
5620 * Postpone meter deletion after RCU grace period, so that ongoing
5621 * upcall translation or flow revalidation can complete. */
5622 arg
->ofproto
= ofproto_dpif_cast(ofproto_
);
5623 arg
->meter_id
= meter_id
;
5624 ovsrcu_postpone(free_meter_id
, arg
);
5627 const struct ofproto_class ofproto_dpif_class
= {
5641 NULL
, /* get_memory_usage. */
5642 type_get_memory_usage
,
5662 port_is_lacp_current
,
5663 port_get_lacp_stats
,
5664 NULL
, /* rule_choose_table */
5668 NULL
, /* rule_delete */
5673 packet_xlate_revert
,
5691 aa_vlan_get_queue_size
,
5698 get_stp_port_status
,
5703 get_rstp_port_status
,
5710 is_mirror_output_bundle
,
5711 forward_bpdu_changed
,
5712 set_mac_table_config
,
5714 set_mcast_snooping_port
,
5719 group_alloc
, /* group_alloc */
5720 group_construct
, /* group_construct */
5721 group_destruct
, /* group_destruct */
5722 group_dealloc
, /* group_dealloc */
5723 NULL
, /* group_modify */
5724 group_get_stats
, /* group_get_stats */
5725 get_datapath_version
, /* get_datapath_version */
5727 ct_flush
, /* ct_flush */