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/uuid.h"
62 #include "openvswitch/vlog.h"
65 #include "ovs-router.h"
66 #include "openvswitch/poll-loop.h"
72 #include "unaligned.h"
76 #include "vlan-bitmap.h"
78 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
80 COVERAGE_DEFINE(ofproto_dpif_expired
);
81 COVERAGE_DEFINE(packet_in_overflow
);
85 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
87 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
88 static void rule_expire(struct rule_dpif
*, long long now
);
91 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
92 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
93 void *aux
; /* Key supplied by ofproto's client. */
94 char *name
; /* Identifier for log messages. */
97 struct ovs_list ports
; /* Contains "struct ofport_dpif"s. */
98 enum port_vlan_mode vlan_mode
; /* VLAN mode */
99 uint16_t qinq_ethtype
;
100 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
101 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
102 * NULL if all VLANs are trunked. */
103 unsigned long *cvlans
;
104 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
105 struct bond
*bond
; /* Nonnull iff more than one port. */
106 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
108 bool protected; /* Protected port mode */
111 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
114 static void bundle_remove(struct ofport
*);
115 static void bundle_update(struct ofbundle
*);
116 static void bundle_destroy(struct ofbundle
*);
117 static void bundle_del_port(struct ofport_dpif
*);
118 static void bundle_run(struct ofbundle
*);
119 static void bundle_wait(struct ofbundle
*);
120 static void bundle_flush_macs(struct ofbundle
*, bool);
121 static void bundle_move(struct ofbundle
*, struct ofbundle
*);
123 static void stp_run(struct ofproto_dpif
*ofproto
);
124 static void stp_wait(struct ofproto_dpif
*ofproto
);
125 static int set_stp_port(struct ofport
*,
126 const struct ofproto_port_stp_settings
*);
128 static void rstp_run(struct ofproto_dpif
*ofproto
);
129 static void set_rstp_port(struct ofport
*,
130 const struct ofproto_port_rstp_settings
*);
133 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
137 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
138 struct ovs_list bundle_node
;/* In struct ofbundle's "ports" list. */
139 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
140 struct bfd
*bfd
; /* BFD, if any. */
141 struct lldp
*lldp
; /* lldp, if any. */
142 bool may_enable
; /* May be enabled in bonds. */
143 bool is_tunnel
; /* This port is a tunnel. */
144 long long int carrier_seq
; /* Carrier status changes. */
145 struct ofport_dpif
*peer
; /* Peer if patch port. */
148 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
149 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
150 long long int stp_state_entered
;
152 /* Rapid Spanning Tree. */
153 struct rstp_port
*rstp_port
; /* Rapid Spanning Tree Protocol, if any. */
154 enum rstp_state rstp_state
; /* Always RSTP_DISABLED if RSTP not in use. */
156 /* Queue to DSCP mapping. */
157 struct ofproto_port_queue
*qdscp
;
161 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
164 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
167 static struct ofport_dpif
*
168 ofport_dpif_cast(const struct ofport
*ofport
)
170 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
173 static void port_run(struct ofport_dpif
*);
174 static int set_bfd(struct ofport
*, const struct smap
*);
175 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
176 static int set_lldp(struct ofport
*ofport_
, const struct smap
*cfg
);
177 static void ofport_update_peer(struct ofport_dpif
*);
179 COVERAGE_DEFINE(rev_reconfigure
);
180 COVERAGE_DEFINE(rev_stp
);
181 COVERAGE_DEFINE(rev_rstp
);
182 COVERAGE_DEFINE(rev_bond
);
183 COVERAGE_DEFINE(rev_port_toggled
);
184 COVERAGE_DEFINE(rev_flow_table
);
185 COVERAGE_DEFINE(rev_mac_learning
);
186 COVERAGE_DEFINE(rev_mcast_snooping
);
188 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
189 struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
191 /* All existing ofproto_dpif instances, indexed by ->up.name. */
192 static struct hmap all_ofproto_dpifs_by_name
=
193 HMAP_INITIALIZER(&all_ofproto_dpifs_by_name
);
195 /* All existing ofproto_dpif instances, indexed by ->uuid. */
196 static struct hmap all_ofproto_dpifs_by_uuid
=
197 HMAP_INITIALIZER(&all_ofproto_dpifs_by_uuid
);
199 static bool ofproto_use_tnl_push_pop
= true;
200 static void ofproto_unixctl_init(void);
202 static inline struct ofproto_dpif
*
203 ofproto_dpif_cast(const struct ofproto
*ofproto
)
205 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
206 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
209 /* Global variables. */
210 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
212 /* Initial mappings of port to bridge mappings. */
213 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
215 /* Initialize 'ofm' for a learn action. If the rule already existed, reference
216 * to that rule is taken, otherwise a new rule is created. 'ofm' keeps the
217 * rule reference in both cases. */
219 ofproto_dpif_flow_mod_init_for_learn(struct ofproto_dpif
*ofproto
,
220 const struct ofputil_flow_mod
*fm
,
221 struct ofproto_flow_mod
*ofm
)
223 /* This will not take the global 'ofproto_mutex'. */
224 return ofproto_flow_mod_init_for_learn(&ofproto
->up
, fm
, ofm
);
227 /* Appends 'am' to the queue of asynchronous messages to be sent to the
228 * controller. Takes ownership of 'am' and any data it points to. */
230 ofproto_dpif_send_async_msg(struct ofproto_dpif
*ofproto
,
231 struct ofproto_async_msg
*am
)
233 if (!guarded_list_push_back(&ofproto
->ams
, &am
->list_node
, 1024)) {
234 COVERAGE_INC(packet_in_overflow
);
235 ofproto_async_msg_free(am
);
238 /* Wakes up main thread for packet-in I/O. */
239 seq_change(ofproto
->ams_seq
);
242 /* Factory functions. */
245 init(const struct shash
*iface_hints
)
247 struct shash_node
*node
;
249 /* Make a local copy, since we don't own 'iface_hints' elements. */
250 SHASH_FOR_EACH(node
, iface_hints
) {
251 const struct iface_hint
*orig_hint
= node
->data
;
252 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
254 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
255 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
256 new_hint
->ofp_port
= orig_hint
->ofp_port
;
258 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
261 ofproto_unixctl_init();
262 ofproto_dpif_trace_init();
267 enumerate_types(struct sset
*types
)
269 dp_enumerate_types(types
);
273 enumerate_names(const char *type
, struct sset
*names
)
275 struct ofproto_dpif
*ofproto
;
278 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
279 &all_ofproto_dpifs_by_name
) {
280 if (strcmp(type
, ofproto
->up
.type
)) {
283 sset_add(names
, ofproto
->up
.name
);
290 del(const char *type
, const char *name
)
295 error
= dpif_open(name
, type
, &dpif
);
297 error
= dpif_delete(dpif
);
304 port_open_type(const char *datapath_type
, const char *port_type
)
306 return dpif_port_open_type(datapath_type
, port_type
);
309 /* Type functions. */
311 static void process_dpif_port_changes(struct dpif_backer
*);
312 static void process_dpif_all_ports_changed(struct dpif_backer
*);
313 static void process_dpif_port_change(struct dpif_backer
*,
314 const char *devname
);
315 static void process_dpif_port_error(struct dpif_backer
*, int error
);
317 static struct ofproto_dpif
*
318 lookup_ofproto_dpif_by_port_name(const char *name
)
320 struct ofproto_dpif
*ofproto
;
322 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
323 &all_ofproto_dpifs_by_name
) {
324 if (sset_contains(&ofproto
->ports
, name
)) {
333 type_run(const char *type
)
335 struct dpif_backer
*backer
;
337 backer
= shash_find_data(&all_dpif_backers
, type
);
339 /* This is not necessarily a problem, since backers are only
340 * created on demand. */
344 if (dpif_run(backer
->dpif
)) {
345 backer
->need_revalidate
= REV_RECONFIGURE
;
348 udpif_run(backer
->udpif
);
350 /* If vswitchd started with other_config:flow_restore_wait set as "true",
351 * and the configuration has now changed to "false", enable receiving
352 * packets from the datapath. */
353 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
356 backer
->recv_set_enable
= true;
358 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
360 VLOG_ERR("Failed to enable receiving packets in dpif.");
363 dpif_flow_flush(backer
->dpif
);
364 backer
->need_revalidate
= REV_RECONFIGURE
;
367 if (backer
->recv_set_enable
) {
368 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
371 if (backer
->need_revalidate
) {
372 struct ofproto_dpif
*ofproto
;
373 struct simap_node
*node
;
374 struct simap tmp_backers
;
376 /* Handle tunnel garbage collection. */
377 simap_init(&tmp_backers
);
378 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
380 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
381 &all_ofproto_dpifs_by_name
) {
382 struct ofport_dpif
*iter
;
384 if (backer
!= ofproto
->backer
) {
388 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
389 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
391 odp_port_t old_odp_port
;
393 if (!iter
->is_tunnel
) {
397 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
398 namebuf
, sizeof namebuf
);
399 old_odp_port
= iter
->odp_port
;
400 node
= simap_find(&tmp_backers
, dp_port
);
402 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
403 simap_delete(&tmp_backers
, node
);
404 node
= simap_find(&backer
->tnl_backers
, dp_port
);
406 node
= simap_find(&backer
->tnl_backers
, dp_port
);
408 odp_port_t odp_port
= ODPP_NONE
;
410 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
412 simap_put(&backer
->tnl_backers
, dp_port
,
413 odp_to_u32(odp_port
));
414 node
= simap_find(&backer
->tnl_backers
, dp_port
);
419 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
420 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
421 iter
->odp_port
, old_odp_port
,
422 ovs_native_tunneling_is_on(ofproto
), dp_port
)) {
423 backer
->need_revalidate
= REV_RECONFIGURE
;
428 SIMAP_FOR_EACH (node
, &tmp_backers
) {
429 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
), false);
431 simap_destroy(&tmp_backers
);
433 switch (backer
->need_revalidate
) {
434 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
435 case REV_STP
: COVERAGE_INC(rev_stp
); break;
436 case REV_RSTP
: COVERAGE_INC(rev_rstp
); break;
437 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
438 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
439 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
440 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
441 case REV_MCAST_SNOOPING
: COVERAGE_INC(rev_mcast_snooping
); break;
443 backer
->need_revalidate
= 0;
446 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
447 &all_ofproto_dpifs_by_name
) {
448 struct ofport_dpif
*ofport
;
449 struct ofbundle
*bundle
;
451 if (ofproto
->backer
!= backer
) {
455 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
456 ofproto
->backer
->dpif
, ofproto
->ml
,
457 ofproto
->stp
, ofproto
->rstp
, ofproto
->ms
,
458 ofproto
->mbridge
, ofproto
->sflow
, ofproto
->ipfix
,
460 ofproto
->up
.forward_bpdu
,
461 connmgr_has_in_band(ofproto
->up
.connmgr
),
462 &ofproto
->backer
->rt_support
);
464 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
465 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
466 bundle
->vlan_mode
, bundle
->qinq_ethtype
,
467 bundle
->vlan
, bundle
->trunks
, bundle
->cvlans
,
468 bundle
->use_priority_tags
,
469 bundle
->bond
, bundle
->lacp
,
470 bundle
->floodable
, bundle
->protected);
473 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
474 int stp_port
= ofport
->stp_port
475 ? stp_port_no(ofport
->stp_port
)
477 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
478 ofport
->up
.ofp_port
, ofport
->odp_port
,
479 ofport
->up
.netdev
, ofport
->cfm
, ofport
->bfd
,
480 ofport
->lldp
, ofport
->peer
, stp_port
,
481 ofport
->rstp_port
, ofport
->qdscp
,
482 ofport
->n_qdscp
, ofport
->up
.pp
.config
,
483 ofport
->up
.pp
.state
, ofport
->is_tunnel
,
489 udpif_revalidate(backer
->udpif
);
492 process_dpif_port_changes(backer
);
497 /* Check for and handle port changes in 'backer''s dpif. */
499 process_dpif_port_changes(struct dpif_backer
*backer
)
505 error
= dpif_port_poll(backer
->dpif
, &devname
);
511 process_dpif_all_ports_changed(backer
);
515 process_dpif_port_change(backer
, devname
);
520 process_dpif_port_error(backer
, error
);
527 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
529 struct ofproto_dpif
*ofproto
;
530 struct dpif_port dpif_port
;
531 struct dpif_port_dump dump
;
532 struct sset devnames
;
535 sset_init(&devnames
);
536 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
537 &all_ofproto_dpifs_by_name
) {
538 if (ofproto
->backer
== backer
) {
539 struct ofport
*ofport
;
541 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
542 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
546 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
547 sset_add(&devnames
, dpif_port
.name
);
550 SSET_FOR_EACH (devname
, &devnames
) {
551 process_dpif_port_change(backer
, devname
);
553 sset_destroy(&devnames
);
557 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
559 struct ofproto_dpif
*ofproto
;
560 struct dpif_port port
;
562 /* Don't report on the datapath's device. */
563 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
567 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
568 &all_ofproto_dpifs_by_name
) {
569 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
574 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
575 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
576 /* The port was removed. If we know the datapath,
577 * report it through poll_set(). If we don't, it may be
578 * notifying us of a removal we initiated, so ignore it.
579 * If there's a pending ENOBUFS, let it stand, since
580 * everything will be reevaluated. */
581 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
582 sset_add(&ofproto
->port_poll_set
, devname
);
583 ofproto
->port_poll_errno
= 0;
585 } else if (!ofproto
) {
586 /* The port was added, but we don't know with which
587 * ofproto we should associate it. Delete it. */
588 dpif_port_del(backer
->dpif
, port
.port_no
, false);
590 struct ofport_dpif
*ofport
;
592 ofport
= ofport_dpif_cast(shash_find_data(
593 &ofproto
->up
.port_by_name
, devname
));
595 && ofport
->odp_port
!= port
.port_no
596 && !odp_port_to_ofport(backer
, port
.port_no
))
598 /* 'ofport''s datapath port number has changed from
599 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
600 * structures to match. */
601 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
602 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
603 ofport
->odp_port
= port
.port_no
;
604 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
605 hash_odp_port(port
.port_no
));
606 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
607 backer
->need_revalidate
= REV_RECONFIGURE
;
610 dpif_port_destroy(&port
);
613 /* Propagate 'error' to all ofprotos based on 'backer'. */
615 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
617 struct ofproto_dpif
*ofproto
;
619 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
620 &all_ofproto_dpifs_by_name
) {
621 if (ofproto
->backer
== backer
) {
622 sset_clear(&ofproto
->port_poll_set
);
623 ofproto
->port_poll_errno
= error
;
629 type_wait(const char *type
)
631 struct dpif_backer
*backer
;
633 backer
= shash_find_data(&all_dpif_backers
, type
);
635 /* This is not necessarily a problem, since backers are only
636 * created on demand. */
640 dpif_wait(backer
->dpif
);
643 /* Basic life-cycle. */
645 static int add_internal_flows(struct ofproto_dpif
*);
647 static struct ofproto
*
650 struct ofproto_dpif
*ofproto
= xzalloc(sizeof *ofproto
);
655 dealloc(struct ofproto
*ofproto_
)
657 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
662 close_dpif_backer(struct dpif_backer
*backer
, bool del
)
664 ovs_assert(backer
->refcount
> 0);
666 if (--backer
->refcount
) {
670 udpif_destroy(backer
->udpif
);
672 simap_destroy(&backer
->tnl_backers
);
673 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
674 hmap_destroy(&backer
->odp_to_ofport_map
);
675 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
677 free(backer
->dp_version_string
);
679 dpif_delete(backer
->dpif
);
681 dpif_close(backer
->dpif
);
682 id_pool_destroy(backer
->meter_ids
);
686 /* Datapath port slated for removal from datapath. */
688 struct ovs_list list_node
;
692 static void check_support(struct dpif_backer
*backer
);
695 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
697 struct dpif_backer
*backer
;
698 struct dpif_port_dump port_dump
;
699 struct dpif_port port
;
700 struct shash_node
*node
;
701 struct ovs_list garbage_list
;
702 struct odp_garbage
*garbage
;
709 backer
= shash_find_data(&all_dpif_backers
, type
);
716 backer_name
= xasprintf("ovs-%s", type
);
718 /* Remove any existing datapaths, since we assume we're the only
719 * userspace controlling the datapath. */
721 dp_enumerate_names(type
, &names
);
722 SSET_FOR_EACH(name
, &names
) {
723 struct dpif
*old_dpif
;
725 /* Don't remove our backer if it exists. */
726 if (!strcmp(name
, backer_name
)) {
730 if (dpif_open(name
, type
, &old_dpif
)) {
731 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
733 dpif_delete(old_dpif
);
734 dpif_close(old_dpif
);
737 sset_destroy(&names
);
739 backer
= xmalloc(sizeof *backer
);
741 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
744 VLOG_ERR("failed to open datapath of type %s: %s", type
,
745 ovs_strerror(error
));
749 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
751 backer
->type
= xstrdup(type
);
752 backer
->refcount
= 1;
753 hmap_init(&backer
->odp_to_ofport_map
);
754 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
755 backer
->need_revalidate
= 0;
756 simap_init(&backer
->tnl_backers
);
757 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
760 if (backer
->recv_set_enable
) {
761 dpif_flow_flush(backer
->dpif
);
764 /* Loop through the ports already on the datapath and remove any
765 * that we don't need anymore. */
766 ovs_list_init(&garbage_list
);
767 dpif_port_dump_start(&port_dump
, backer
->dpif
);
768 while (dpif_port_dump_next(&port_dump
, &port
)) {
769 node
= shash_find(&init_ofp_ports
, port
.name
);
770 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
771 garbage
= xmalloc(sizeof *garbage
);
772 garbage
->odp_port
= port
.port_no
;
773 ovs_list_push_front(&garbage_list
, &garbage
->list_node
);
776 dpif_port_dump_done(&port_dump
);
778 LIST_FOR_EACH_POP (garbage
, list_node
, &garbage_list
) {
779 dpif_port_del(backer
->dpif
, garbage
->odp_port
, false);
783 shash_add(&all_dpif_backers
, type
, backer
);
785 check_support(backer
);
786 atomic_count_init(&backer
->tnl_count
, 0);
788 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
790 VLOG_ERR("failed to listen on datapath of type %s: %s",
791 type
, ovs_strerror(error
));
792 close_dpif_backer(backer
, false);
796 if (backer
->recv_set_enable
) {
797 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
800 backer
->dp_version_string
= dpif_get_dp_version(backer
->dpif
);
802 /* Manage Datapath meter IDs if supported. */
803 struct ofputil_meter_features features
;
804 dpif_meter_get_features(backer
->dpif
, &features
);
805 if (features
.max_meters
) {
806 backer
->meter_ids
= id_pool_create(0, features
.max_meters
);
808 backer
->meter_ids
= NULL
;
811 /* Make a pristine snapshot of 'support' into 'boottime_support'.
812 * 'boottime_support' can be checked to prevent 'support' to be changed
813 * beyond the datapath capabilities. In case 'support' is changed by
814 * the user, 'boottime_support' can be used to restore it. */
815 backer
->bt_support
= backer
->rt_support
;
821 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
823 return ofproto_use_tnl_push_pop
824 && ofproto
->backer
->rt_support
.tnl_push_pop
825 && atomic_count_get(&ofproto
->backer
->tnl_count
);
828 /* Tests whether 'backer''s datapath supports recirculation. Only newer
829 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
830 * features on older datapaths that don't support this feature.
832 * Returns false if 'backer' definitely does not support recirculation, true if
833 * it seems to support recirculation or if at least the error we get is
836 check_recirc(struct dpif_backer
*backer
)
839 struct odputil_keybuf keybuf
;
842 struct odp_flow_key_parms odp_parms
= {
849 memset(&flow
, 0, sizeof flow
);
853 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
854 odp_flow_key_from_flow(&odp_parms
, &key
);
855 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
859 VLOG_INFO("%s: Datapath supports recirculation",
860 dpif_name(backer
->dpif
));
862 VLOG_INFO("%s: Datapath does not support recirculation",
863 dpif_name(backer
->dpif
));
866 return enable_recirc
;
869 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
870 * some flow attributes for datapaths that support this feature.
872 * Returns true if 'dpif' supports UFID for flow operations.
873 * Returns false if 'dpif' does not support UFID. */
875 check_ufid(struct dpif_backer
*backer
)
878 struct odputil_keybuf keybuf
;
882 struct odp_flow_key_parms odp_parms
= {
886 memset(&flow
, 0, sizeof flow
);
887 flow
.dl_type
= htons(0x1234);
889 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
890 odp_flow_key_from_flow(&odp_parms
, &key
);
891 dpif_flow_hash(backer
->dpif
, key
.data
, key
.size
, &ufid
);
893 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, NULL
, &ufid
);
896 VLOG_INFO("%s: Datapath supports unique flow ids",
897 dpif_name(backer
->dpif
));
899 VLOG_INFO("%s: Datapath does not support unique flow ids",
900 dpif_name(backer
->dpif
));
905 /* Tests number of 802.1q VLAN headers supported by 'backer''s datapath.
907 * Returns the number of elements in a struct flow's vlan
908 * if the datapath supports at least that many VLAN headers. */
910 check_max_vlan_headers(struct dpif_backer
*backer
)
913 struct odp_flow_key_parms odp_parms
= {
919 memset(&flow
, 0, sizeof flow
);
920 flow
.dl_type
= htons(ETH_TYPE_IP
);
921 for (n
= 0; n
< FLOW_MAX_VLAN_HEADERS
; n
++) {
922 struct odputil_keybuf keybuf
;
925 flow_push_vlan_uninit(&flow
, NULL
);
926 flow
.vlans
[0].tpid
= htons(ETH_TYPE_VLAN
);
927 flow
.vlans
[0].tci
= htons(1) | htons(VLAN_CFI
);
929 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
930 odp_flow_key_from_flow(&odp_parms
, &key
);
931 if (!dpif_probe_feature(backer
->dpif
, "VLAN", &key
, NULL
, NULL
)) {
936 VLOG_INFO("%s: VLAN header stack length probed as %d",
937 dpif_name(backer
->dpif
), n
);
940 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
942 * Returns the number of elements in a struct flow's mpls_lse field
943 * if the datapath supports at least that many entries in an
945 * Otherwise returns the number of MPLS push actions supported by
948 check_max_mpls_depth(struct dpif_backer
*backer
)
953 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
954 struct odputil_keybuf keybuf
;
956 struct odp_flow_key_parms odp_parms
= {
960 memset(&flow
, 0, sizeof flow
);
961 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
962 flow_set_mpls_bos(&flow
, n
, 1);
964 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
965 odp_flow_key_from_flow(&odp_parms
, &key
);
966 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
, NULL
)) {
971 VLOG_INFO("%s: MPLS label stack length probed as %d",
972 dpif_name(backer
->dpif
), n
);
977 add_sample_actions(struct ofpbuf
*actions
, int nesting
)
980 nl_msg_put_odp_port(actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
984 size_t start
, actions_start
;
986 start
= nl_msg_start_nested(actions
, OVS_ACTION_ATTR_SAMPLE
);
987 actions_start
= nl_msg_start_nested(actions
, OVS_SAMPLE_ATTR_ACTIONS
);
988 add_sample_actions(actions
, nesting
- 1);
989 nl_msg_end_nested(actions
, actions_start
);
990 nl_msg_put_u32(actions
, OVS_SAMPLE_ATTR_PROBABILITY
, UINT32_MAX
);
991 nl_msg_end_nested(actions
, start
);
994 /* Tests the nested sample actions levels supported by 'backer''s datapath.
996 * Returns the number of nested sample actions accepted by the datapath. */
998 check_max_sample_nesting(struct dpif_backer
*backer
)
1000 struct odputil_keybuf keybuf
;
1005 struct odp_flow_key_parms odp_parms
= {
1009 memset(&flow
, 0, sizeof flow
);
1010 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1011 odp_flow_key_from_flow(&odp_parms
, &key
);
1013 /* OVS datapath has always supported at least 3 nested levels. */
1014 for (n
= 3; n
< FLOW_MAX_SAMPLE_NESTING
; n
++) {
1015 struct ofpbuf actions
;
1018 ofpbuf_init(&actions
, 300);
1019 add_sample_actions(&actions
, n
);
1020 ok
= dpif_probe_feature(backer
->dpif
, "Sample action nesting", &key
,
1022 ofpbuf_uninit(&actions
);
1028 VLOG_INFO("%s: Max sample nesting level probed as %d",
1029 dpif_name(backer
->dpif
), n
);
1033 /* Tests whether 'backer''s datapath supports masked data in
1034 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1035 * datapaths that don't support this feature. */
1037 check_masked_set_action(struct dpif_backer
*backer
)
1039 struct eth_header
*eth
;
1040 struct ofpbuf actions
;
1041 struct dpif_execute execute
;
1042 struct dp_packet packet
;
1045 struct ovs_key_ethernet key
, mask
;
1047 /* Compose a set action that will cause an EINVAL error on older
1048 * datapaths that don't support masked set actions.
1049 * Avoid using a full mask, as it could be translated to a non-masked
1050 * set action instead. */
1051 ofpbuf_init(&actions
, 64);
1052 memset(&key
, 0x53, sizeof key
);
1053 memset(&mask
, 0x7f, sizeof mask
);
1054 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1057 /* Compose a dummy ethernet packet. */
1058 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1059 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1060 eth
->eth_type
= htons(0x1234);
1062 flow_extract(&packet
, &flow
);
1064 /* Execute the actions. On older datapaths this fails with EINVAL, on
1065 * newer datapaths it succeeds. */
1066 execute
.actions
= actions
.data
;
1067 execute
.actions_len
= actions
.size
;
1068 execute
.packet
= &packet
;
1069 execute
.flow
= &flow
;
1070 execute
.needs_help
= false;
1071 execute
.probe
= true;
1074 error
= dpif_execute(backer
->dpif
, &execute
);
1076 dp_packet_uninit(&packet
);
1077 ofpbuf_uninit(&actions
);
1080 /* Masked set action is not supported. */
1081 VLOG_INFO("%s: datapath does not support masked set action feature.",
1082 dpif_name(backer
->dpif
));
1087 /* Tests whether 'backer''s datapath supports truncation of a packet in
1088 * OVS_ACTION_ATTR_TRUNC. We need to disable some features on older
1089 * datapaths that don't support this feature. */
1091 check_trunc_action(struct dpif_backer
*backer
)
1093 struct eth_header
*eth
;
1094 struct ofpbuf actions
;
1095 struct dpif_execute execute
;
1096 struct dp_packet packet
;
1097 struct ovs_action_trunc
*trunc
;
1101 /* Compose an action with output(port:1,
1102 * max_len:OVS_ACTION_OUTPUT_MIN + 1).
1103 * This translates to one truncate action and one output action. */
1104 ofpbuf_init(&actions
, 64);
1105 trunc
= nl_msg_put_unspec_uninit(&actions
,
1106 OVS_ACTION_ATTR_TRUNC
, sizeof *trunc
);
1108 trunc
->max_len
= ETH_HEADER_LEN
+ 1;
1109 nl_msg_put_odp_port(&actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1111 /* Compose a dummy Ethernet packet. */
1112 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1113 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1114 eth
->eth_type
= htons(0x1234);
1116 flow_extract(&packet
, &flow
);
1118 /* Execute the actions. On older datapaths this fails with EINVAL, on
1119 * newer datapaths it succeeds. */
1120 execute
.actions
= actions
.data
;
1121 execute
.actions_len
= actions
.size
;
1122 execute
.packet
= &packet
;
1123 execute
.flow
= &flow
;
1124 execute
.needs_help
= false;
1125 execute
.probe
= true;
1128 error
= dpif_execute(backer
->dpif
, &execute
);
1130 dp_packet_uninit(&packet
);
1131 ofpbuf_uninit(&actions
);
1134 VLOG_INFO("%s: Datapath does not support truncate action",
1135 dpif_name(backer
->dpif
));
1137 VLOG_INFO("%s: Datapath supports truncate action",
1138 dpif_name(backer
->dpif
));
1144 /* Tests whether 'backer''s datapath supports the clone action
1145 * OVS_ACTION_ATTR_CLONE. */
1147 check_clone(struct dpif_backer
*backer
)
1149 struct dpif_execute execute
;
1150 struct eth_header
*eth
;
1152 struct dp_packet packet
;
1153 struct ofpbuf actions
;
1157 /* Compose clone with an empty action list.
1158 * and check if datapath can decode the message. */
1159 ofpbuf_init(&actions
, 64);
1160 clone_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CLONE
);
1161 nl_msg_end_nested(&actions
, clone_start
);
1163 /* Compose a dummy Ethernet packet. */
1164 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1165 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1166 eth
->eth_type
= htons(0x1234);
1168 flow_extract(&packet
, &flow
);
1170 /* Execute the actions. On older datapaths this fails with EINVAL, on
1171 * newer datapaths it succeeds. */
1172 execute
.actions
= actions
.data
;
1173 execute
.actions_len
= actions
.size
;
1174 execute
.packet
= &packet
;
1175 execute
.flow
= &flow
;
1176 execute
.needs_help
= false;
1177 execute
.probe
= true;
1180 error
= dpif_execute(backer
->dpif
, &execute
);
1182 dp_packet_uninit(&packet
);
1183 ofpbuf_uninit(&actions
);
1186 VLOG_INFO("%s: Datapath does not support clone action",
1187 dpif_name(backer
->dpif
));
1189 VLOG_INFO("%s: Datapath supports clone action",
1190 dpif_name(backer
->dpif
));
1196 /* Tests whether 'backer''s datapath supports the OVS_CT_ATTR_EVENTMASK
1197 * attribute in OVS_ACTION_ATTR_CT. */
1199 check_ct_eventmask(struct dpif_backer
*backer
)
1201 struct dpif_execute execute
;
1202 struct dp_packet packet
;
1203 struct ofpbuf actions
;
1204 struct flow flow
= {
1205 .dl_type
= CONSTANT_HTONS(ETH_TYPE_IP
),
1206 .nw_proto
= IPPROTO_UDP
,
1208 /* Use the broadcast address on the loopback address range 127/8 to
1209 * avoid hitting any real conntrack entries. We leave the UDP ports to
1210 * zeroes for the same purpose. */
1211 .nw_src
= CONSTANT_HTONL(0x7fffffff),
1212 .nw_dst
= CONSTANT_HTONL(0x7fffffff),
1217 /* Compose CT action with eventmask attribute and check if datapath can
1218 * decode the message. */
1219 ofpbuf_init(&actions
, 64);
1220 ct_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CT
);
1221 /* Eventmask has no effect without the commit flag, but currently the
1222 * datapath will accept an eventmask even without commit. This is useful
1223 * as we do not want to persist the probe connection in the conntrack
1225 nl_msg_put_u32(&actions
, OVS_CT_ATTR_EVENTMASK
, ~0);
1226 nl_msg_end_nested(&actions
, ct_start
);
1228 /* Compose a dummy UDP packet. */
1229 dp_packet_init(&packet
, 0);
1230 flow_compose(&packet
, &flow
, NULL
, 64);
1232 /* Execute the actions. On older datapaths this fails with EINVAL, on
1233 * newer datapaths it succeeds. */
1234 execute
.actions
= actions
.data
;
1235 execute
.actions_len
= actions
.size
;
1236 execute
.packet
= &packet
;
1237 execute
.flow
= &flow
;
1238 execute
.needs_help
= false;
1239 execute
.probe
= true;
1242 error
= dpif_execute(backer
->dpif
, &execute
);
1244 dp_packet_uninit(&packet
);
1245 ofpbuf_uninit(&actions
);
1248 VLOG_INFO("%s: Datapath does not support eventmask in conntrack action",
1249 dpif_name(backer
->dpif
));
1251 VLOG_INFO("%s: Datapath supports eventmask in conntrack action",
1252 dpif_name(backer
->dpif
));
1258 /* Tests whether 'backer''s datapath supports the OVS_ACTION_ATTR_CT_CLEAR
1261 check_ct_clear(struct dpif_backer
*backer
)
1263 struct odputil_keybuf keybuf
;
1264 uint8_t actbuf
[NL_A_FLAG_SIZE
];
1265 struct ofpbuf actions
;
1270 struct odp_flow_key_parms odp_parms
= {
1275 memset(&flow
, 0, sizeof flow
);
1276 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1277 odp_flow_key_from_flow(&odp_parms
, &key
);
1279 ofpbuf_use_stack(&actions
, &actbuf
, sizeof actbuf
);
1280 nl_msg_put_flag(&actions
, OVS_ACTION_ATTR_CT_CLEAR
);
1282 supported
= dpif_probe_feature(backer
->dpif
, "ct_clear", &key
,
1285 VLOG_INFO("%s: Datapath %s ct_clear action",
1286 dpif_name(backer
->dpif
), (supported
) ? "supports"
1287 : "does not support");
1291 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE, ETHTYPE) \
1293 check_##NAME(struct dpif_backer *backer) \
1296 struct odputil_keybuf keybuf; \
1297 struct ofpbuf key; \
1299 struct odp_flow_key_parms odp_parms = { \
1306 memset(&flow, 0, sizeof flow); \
1307 flow.FIELD = VALUE; \
1308 flow.dl_type = htons(ETHTYPE); \
1310 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1311 odp_flow_key_from_flow(&odp_parms, &key); \
1312 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL, NULL); \
1315 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1317 VLOG_INFO("%s: Datapath does not support "#NAME, \
1318 dpif_name(backer->dpif)); \
1323 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1, \
1326 CHECK_FEATURE(ct_state
)
1327 CHECK_FEATURE(ct_zone
)
1328 CHECK_FEATURE(ct_mark
)
1329 CHECK_FEATURE__(ct_label
, ct_label
, ct_label
.u64
.lo
, 1, ETH_TYPE_IP
)
1330 CHECK_FEATURE__(ct_state_nat
, ct_state
, ct_state
, \
1331 CS_TRACKED
|CS_SRC_NAT
, ETH_TYPE_IP
)
1332 CHECK_FEATURE__(ct_orig_tuple
, ct_orig_tuple
, ct_nw_proto
, 1, ETH_TYPE_IP
)
1333 CHECK_FEATURE__(ct_orig_tuple6
, ct_orig_tuple6
, ct_nw_proto
, 1, ETH_TYPE_IPV6
)
1335 #undef CHECK_FEATURE
1336 #undef CHECK_FEATURE__
1339 check_support(struct dpif_backer
*backer
)
1342 backer
->rt_support
.odp
.recirc
= check_recirc(backer
);
1343 backer
->rt_support
.odp
.max_vlan_headers
= check_max_vlan_headers(backer
);
1344 backer
->rt_support
.odp
.max_mpls_depth
= check_max_mpls_depth(backer
);
1345 backer
->rt_support
.masked_set_action
= check_masked_set_action(backer
);
1346 backer
->rt_support
.trunc
= check_trunc_action(backer
);
1347 backer
->rt_support
.ufid
= check_ufid(backer
);
1348 backer
->rt_support
.tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1349 backer
->rt_support
.clone
= check_clone(backer
);
1350 backer
->rt_support
.sample_nesting
= check_max_sample_nesting(backer
);
1351 backer
->rt_support
.ct_eventmask
= check_ct_eventmask(backer
);
1352 backer
->rt_support
.ct_clear
= check_ct_clear(backer
);
1355 backer
->rt_support
.odp
.ct_state
= check_ct_state(backer
);
1356 backer
->rt_support
.odp
.ct_zone
= check_ct_zone(backer
);
1357 backer
->rt_support
.odp
.ct_mark
= check_ct_mark(backer
);
1358 backer
->rt_support
.odp
.ct_label
= check_ct_label(backer
);
1360 backer
->rt_support
.odp
.ct_state_nat
= check_ct_state_nat(backer
);
1361 backer
->rt_support
.odp
.ct_orig_tuple
= check_ct_orig_tuple(backer
);
1362 backer
->rt_support
.odp
.ct_orig_tuple6
= check_ct_orig_tuple6(backer
);
1366 construct(struct ofproto
*ofproto_
)
1368 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1369 struct shash_node
*node
, *next
;
1372 /* Tunnel module can get used right after the udpif threads are running. */
1373 ofproto_tunnel_init();
1375 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1380 uuid_generate(&ofproto
->uuid
);
1381 atomic_init(&ofproto
->tables_version
, OVS_VERSION_MIN
);
1382 ofproto
->netflow
= NULL
;
1383 ofproto
->sflow
= NULL
;
1384 ofproto
->ipfix
= NULL
;
1385 ofproto
->stp
= NULL
;
1386 ofproto
->rstp
= NULL
;
1387 ofproto
->dump_seq
= 0;
1388 hmap_init(&ofproto
->bundles
);
1389 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1391 ofproto
->mbridge
= mbridge_create();
1392 ofproto
->has_bonded_bundles
= false;
1393 ofproto
->lacp_enabled
= false;
1394 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1396 guarded_list_init(&ofproto
->ams
);
1398 sset_init(&ofproto
->ports
);
1399 sset_init(&ofproto
->ghost_ports
);
1400 sset_init(&ofproto
->port_poll_set
);
1401 ofproto
->port_poll_errno
= 0;
1402 ofproto
->change_seq
= 0;
1403 ofproto
->ams_seq
= seq_create();
1404 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1407 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1408 struct iface_hint
*iface_hint
= node
->data
;
1410 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1411 /* Check if the datapath already has this port. */
1412 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1413 sset_add(&ofproto
->ports
, node
->name
);
1416 free(iface_hint
->br_name
);
1417 free(iface_hint
->br_type
);
1419 shash_delete(&init_ofp_ports
, node
);
1423 hmap_insert(&all_ofproto_dpifs_by_name
,
1424 &ofproto
->all_ofproto_dpifs_by_name_node
,
1425 hash_string(ofproto
->up
.name
, 0));
1426 hmap_insert(&all_ofproto_dpifs_by_uuid
,
1427 &ofproto
->all_ofproto_dpifs_by_uuid_node
,
1428 uuid_hash(&ofproto
->uuid
));
1429 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1431 ofproto_init_tables(ofproto_
, N_TABLES
);
1432 error
= add_internal_flows(ofproto
);
1434 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1440 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1441 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1447 match_init_catchall(&match
);
1448 match_set_reg(&match
, 0, id
);
1450 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1452 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1458 add_internal_flows(struct ofproto_dpif
*ofproto
)
1460 struct ofpact_controller
*controller
;
1461 uint64_t ofpacts_stub
[128 / 8];
1462 struct ofpbuf ofpacts
;
1463 struct rule
*unused_rulep OVS_UNUSED
;
1468 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1471 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1472 controller
->max_len
= UINT16_MAX
;
1473 controller
->controller_id
= 0;
1474 controller
->reason
= OFPR_IMPLICIT_MISS
;
1475 ofpact_finish_CONTROLLER(&ofpacts
, &controller
);
1477 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1478 &ofproto
->miss_rule
);
1483 ofpbuf_clear(&ofpacts
);
1484 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1485 &ofproto
->no_packet_in_rule
);
1490 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1491 &ofproto
->drop_frags_rule
);
1496 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1497 * zero when reaching this rule.
1499 * (priority=2), recirc_id=0, actions=drop
1501 ofpbuf_clear(&ofpacts
);
1502 match_init_catchall(&match
);
1503 match_set_recirc_id(&match
, 0);
1504 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1510 destruct(struct ofproto
*ofproto_
, bool del
)
1512 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1513 struct ofproto_async_msg
*am
;
1514 struct rule_dpif
*rule
;
1515 struct oftable
*table
;
1516 struct ovs_list ams
;
1518 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1520 xlate_remove_ofproto(ofproto
);
1523 /* Ensure that the upcall processing threads have no remaining references
1524 * to the ofproto or anything in it. */
1525 udpif_synchronize(ofproto
->backer
->udpif
);
1527 hmap_remove(&all_ofproto_dpifs_by_name
,
1528 &ofproto
->all_ofproto_dpifs_by_name_node
);
1529 hmap_remove(&all_ofproto_dpifs_by_uuid
,
1530 &ofproto
->all_ofproto_dpifs_by_uuid_node
);
1532 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1533 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1534 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1537 ofproto_group_delete_all(&ofproto
->up
);
1539 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1540 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1541 ofproto_async_msg_free(am
);
1543 guarded_list_destroy(&ofproto
->ams
);
1545 recirc_free_ofproto(ofproto
, ofproto
->up
.name
);
1547 mbridge_unref(ofproto
->mbridge
);
1549 netflow_unref(ofproto
->netflow
);
1550 dpif_sflow_unref(ofproto
->sflow
);
1551 dpif_ipfix_unref(ofproto
->ipfix
);
1552 hmap_destroy(&ofproto
->bundles
);
1553 mac_learning_unref(ofproto
->ml
);
1554 mcast_snooping_unref(ofproto
->ms
);
1555 stp_unref(ofproto
->stp
);
1556 rstp_unref(ofproto
->rstp
);
1558 sset_destroy(&ofproto
->ports
);
1559 sset_destroy(&ofproto
->ghost_ports
);
1560 sset_destroy(&ofproto
->port_poll_set
);
1562 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1564 seq_destroy(ofproto
->ams_seq
);
1566 close_dpif_backer(ofproto
->backer
, del
);
1570 run(struct ofproto
*ofproto_
)
1572 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1573 uint64_t new_seq
, new_dump_seq
;
1575 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1576 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1577 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1578 mac_learning_flush(ofproto
->ml
);
1579 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1580 mcast_snooping_mdb_flush(ofproto
->ms
);
1583 /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during
1584 * flow restore. Even though nothing is processed during flow restore,
1585 * all queued 'ams' will be handled immediately when flow restore
1587 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1589 /* Do not perform any periodic activity required by 'ofproto' while
1590 * waiting for flow restore to complete. */
1591 if (!ofproto_get_flow_restore_wait()) {
1592 struct ofproto_async_msg
*am
;
1593 struct ovs_list ams
;
1595 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1596 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1597 connmgr_send_async_msg(ofproto
->up
.connmgr
, am
);
1598 ofproto_async_msg_free(am
);
1602 if (ofproto
->netflow
) {
1603 netflow_run(ofproto
->netflow
);
1605 if (ofproto
->sflow
) {
1606 dpif_sflow_run(ofproto
->sflow
);
1608 if (ofproto
->ipfix
) {
1609 dpif_ipfix_run(ofproto
->ipfix
);
1612 new_seq
= seq_read(connectivity_seq_get());
1613 if (ofproto
->change_seq
!= new_seq
) {
1614 struct ofport_dpif
*ofport
;
1616 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1620 ofproto
->change_seq
= new_seq
;
1622 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1623 struct ofbundle
*bundle
;
1625 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1632 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1633 if (mac_learning_run(ofproto
->ml
)) {
1634 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1636 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1638 if (mcast_snooping_run(ofproto
->ms
)) {
1639 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1642 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1643 if (ofproto
->dump_seq
!= new_dump_seq
) {
1644 struct rule
*rule
, *next_rule
;
1645 long long now
= time_msec();
1647 /* We know stats are relatively fresh, so now is a good time to do some
1649 ofproto
->dump_seq
= new_dump_seq
;
1651 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1653 ovs_mutex_lock(&ofproto_mutex
);
1654 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1655 &ofproto
->up
.expirable
) {
1656 rule_expire(rule_dpif_cast(rule
), now
);
1658 ovs_mutex_unlock(&ofproto_mutex
);
1660 /* All outstanding data in existing flows has been accounted, so it's a
1661 * good time to do bond rebalancing. */
1662 if (ofproto
->has_bonded_bundles
) {
1663 struct ofbundle
*bundle
;
1665 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1667 bond_rebalance(bundle
->bond
);
1676 ofproto_dpif_wait(struct ofproto
*ofproto_
)
1678 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1680 if (ofproto_get_flow_restore_wait()) {
1684 if (ofproto
->sflow
) {
1685 dpif_sflow_wait(ofproto
->sflow
);
1687 if (ofproto
->ipfix
) {
1688 dpif_ipfix_wait(ofproto
->ipfix
);
1690 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1691 struct ofbundle
*bundle
;
1693 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1694 bundle_wait(bundle
);
1697 if (ofproto
->netflow
) {
1698 netflow_wait(ofproto
->netflow
);
1700 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1701 mac_learning_wait(ofproto
->ml
);
1702 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1703 mcast_snooping_wait(ofproto
->ms
);
1705 if (ofproto
->backer
->need_revalidate
) {
1706 poll_immediate_wake();
1709 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1710 seq_wait(ofproto
->ams_seq
, ofproto
->ams_seqno
);
1714 type_get_memory_usage(const char *type
, struct simap
*usage
)
1716 struct dpif_backer
*backer
;
1718 backer
= shash_find_data(&all_dpif_backers
, type
);
1720 udpif_get_memory_usage(backer
->udpif
, usage
);
1725 flush(struct ofproto
*ofproto_
)
1727 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1728 struct dpif_backer
*backer
= ofproto
->backer
;
1731 udpif_flush(backer
->udpif
);
1736 query_tables(struct ofproto
*ofproto
,
1737 struct ofputil_table_features
*features OVS_UNUSED
,
1738 struct ofputil_table_stats
*stats
)
1743 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1744 unsigned long missed
, matched
;
1746 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1747 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1749 stats
[i
].matched_count
= matched
;
1750 stats
[i
].lookup_count
= matched
+ missed
;
1756 set_tables_version(struct ofproto
*ofproto_
, ovs_version_t version
)
1758 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1760 /* Use memory_order_release to signify that any prior memory accesses can
1761 * not be reordered to happen after this atomic store. This makes sure the
1762 * new version is properly set up when the readers can read this 'version'
1764 atomic_store_explicit(&ofproto
->tables_version
, version
,
1765 memory_order_release
);
1766 /* 'need_revalidate' can be reordered to happen before the atomic_store
1767 * above, but it does not matter as this variable is not accessed by other
1769 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
1772 static struct ofport
*
1775 struct ofport_dpif
*port
= xzalloc(sizeof *port
);
1780 port_dealloc(struct ofport
*port_
)
1782 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1787 port_construct(struct ofport
*port_
)
1789 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1790 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1791 const struct netdev
*netdev
= port
->up
.netdev
;
1792 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1793 const char *dp_port_name
;
1794 struct dpif_port dpif_port
;
1797 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1798 port
->bundle
= NULL
;
1802 port
->may_enable
= false;
1803 port
->stp_port
= NULL
;
1804 port
->stp_state
= STP_DISABLED
;
1805 port
->rstp_port
= NULL
;
1806 port
->rstp_state
= RSTP_DISABLED
;
1807 port
->is_tunnel
= false;
1811 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1813 if (netdev_vport_is_patch(netdev
)) {
1814 /* By bailing out here, we don't submit the port to the sFlow module
1815 * to be considered for counter polling export. This is correct
1816 * because the patch port represents an interface that sFlow considers
1817 * to be "internal" to the switch as a whole, and therefore not a
1818 * candidate for counter polling. */
1819 port
->odp_port
= ODPP_NONE
;
1820 ofport_update_peer(port
);
1824 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1825 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
, dp_port_name
,
1831 port
->odp_port
= dpif_port
.port_no
;
1833 if (netdev_get_tunnel_config(netdev
)) {
1834 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1835 error
= tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1836 ovs_native_tunneling_is_on(ofproto
), dp_port_name
);
1838 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1839 dpif_port_destroy(&dpif_port
);
1843 port
->is_tunnel
= true;
1845 /* Sanity-check that a mapping doesn't already exist. This
1846 * shouldn't happen for non-tunnel ports. */
1847 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1848 VLOG_ERR("port %s already has an OpenFlow port number",
1850 dpif_port_destroy(&dpif_port
);
1854 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1855 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1856 hash_odp_port(port
->odp_port
));
1857 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1859 dpif_port_destroy(&dpif_port
);
1861 if (ofproto
->sflow
) {
1862 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1864 if (ofproto
->ipfix
) {
1865 dpif_ipfix_add_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1872 port_destruct(struct ofport
*port_
, bool del
)
1874 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1875 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1876 const char *devname
= netdev_get_name(port
->up
.netdev
);
1877 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1878 const char *dp_port_name
;
1880 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1882 xlate_ofport_remove(port
);
1885 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1887 if (del
&& dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1888 /* The underlying device is still there, so delete it. This
1889 * happens when the ofproto is being destroyed, since the caller
1890 * assumes that removal of attached ports will happen as part of
1892 if (!port
->is_tunnel
) {
1893 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
, false);
1896 /* The underlying device is already deleted (e.g. tunctl -d).
1897 * Calling dpif_port_remove to do local cleanup for the netdev */
1898 if (!port
->is_tunnel
) {
1899 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
, true);
1904 port
->peer
->peer
= NULL
;
1908 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1909 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1910 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1911 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1914 if (port
->is_tunnel
) {
1915 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1918 tnl_port_del(port
, port
->odp_port
);
1919 sset_find_and_delete(&ofproto
->ports
, devname
);
1920 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1921 bundle_remove(port_
);
1922 set_cfm(port_
, NULL
);
1923 set_bfd(port_
, NULL
);
1924 set_lldp(port_
, NULL
);
1925 if (port
->stp_port
) {
1926 stp_port_disable(port
->stp_port
);
1928 set_rstp_port(port_
, NULL
);
1929 if (ofproto
->sflow
) {
1930 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1932 if (ofproto
->ipfix
) {
1933 dpif_ipfix_del_port(ofproto
->ipfix
, port
->odp_port
);
1940 port_modified(struct ofport
*port_
)
1942 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1943 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1944 const char *dp_port_name
;
1945 struct netdev
*netdev
= port
->up
.netdev
;
1947 if (port
->bundle
&& port
->bundle
->bond
) {
1948 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1952 cfm_set_netdev(port
->cfm
, netdev
);
1956 bfd_set_netdev(port
->bfd
, netdev
);
1959 /* Set liveness, unless the link is administratively or
1960 * operationally down or link monitoring false */
1961 if (!(port
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
1962 !(port
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
) &&
1964 port
->up
.pp
.state
|= OFPUTIL_PS_LIVE
;
1966 port
->up
.pp
.state
&= ~OFPUTIL_PS_LIVE
;
1969 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1970 port
->lldp
, &port
->up
.pp
.hw_addr
);
1972 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1974 if (port
->is_tunnel
) {
1975 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1977 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
, port
->odp_port
,
1978 ovs_native_tunneling_is_on(ofproto
),
1980 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1984 ofport_update_peer(port
);
1988 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1990 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1991 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1992 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1994 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
1995 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
1996 OFPUTIL_PC_NO_PACKET_IN
)) {
1997 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1999 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
2000 bundle_update(port
->bundle
);
2006 set_sflow(struct ofproto
*ofproto_
,
2007 const struct ofproto_sflow_options
*sflow_options
)
2009 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2010 struct dpif_sflow
*ds
= ofproto
->sflow
;
2012 if (sflow_options
) {
2013 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
2015 struct ofport_dpif
*ofport
;
2017 ds
= ofproto
->sflow
= dpif_sflow_create();
2018 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2019 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
2022 dpif_sflow_set_options(ds
, sflow_options
);
2023 if (dpif_sflow_get_probability(ds
) != old_probability
) {
2024 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2028 dpif_sflow_unref(ds
);
2029 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2030 ofproto
->sflow
= NULL
;
2038 struct ofproto
*ofproto_
,
2039 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
2040 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
2041 size_t n_flow_exporters_options
)
2043 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2044 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2045 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
2046 bool new_di
= false;
2048 if (has_options
&& !di
) {
2049 di
= ofproto
->ipfix
= dpif_ipfix_create();
2054 /* Call set_options in any case to cleanly flush the flow
2055 * caches in the last exporters that are to be destroyed. */
2056 dpif_ipfix_set_options(
2057 di
, bridge_exporter_options
, flow_exporters_options
,
2058 n_flow_exporters_options
);
2060 /* Add ports only when a new ipfix created */
2061 if (new_di
== true) {
2062 struct ofport_dpif
*ofport
;
2063 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2064 dpif_ipfix_add_port(di
, &ofport
->up
, ofport
->odp_port
);
2069 dpif_ipfix_unref(di
);
2070 ofproto
->ipfix
= NULL
;
2078 get_ipfix_stats(const struct ofproto
*ofproto_
,
2080 struct ovs_list
*replies
)
2082 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2083 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2086 return OFPERR_NXST_NOT_CONFIGURED
;
2089 return dpif_ipfix_get_stats(di
, bridge_ipfix
, replies
);
2093 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
2095 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2096 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2097 struct cfm
*old
= ofport
->cfm
;
2102 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
2105 if (cfm_configure(ofport
->cfm
, s
)) {
2112 cfm_unref(ofport
->cfm
);
2115 if (ofport
->cfm
!= old
) {
2116 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2118 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2119 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2124 cfm_status_changed(struct ofport
*ofport_
)
2126 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2128 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
2132 get_cfm_status(const struct ofport
*ofport_
,
2133 struct cfm_status
*status
)
2135 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2139 cfm_get_status(ofport
->cfm
, status
);
2148 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
2150 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
2151 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2155 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
2156 cfg
, ofport
->up
.netdev
);
2157 if (ofport
->bfd
!= old
) {
2158 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2160 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2161 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2166 bfd_status_changed(struct ofport
*ofport_
)
2168 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2170 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
2174 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
2176 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2180 bfd_get_status(ofport
->bfd
, smap
);
2189 set_lldp(struct ofport
*ofport_
,
2190 const struct smap
*cfg
)
2192 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2196 if (!ofport
->lldp
) {
2197 struct ofproto_dpif
*ofproto
;
2199 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2200 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2201 ofport
->lldp
= lldp_create(ofport
->up
.netdev
, ofport_
->mtu
, cfg
);
2204 if (!lldp_configure(ofport
->lldp
, cfg
)) {
2209 lldp_unref(ofport
->lldp
);
2210 ofport
->lldp
= NULL
;
2213 ofproto_dpif_monitor_port_update(ofport
,
2217 &ofport
->up
.pp
.hw_addr
);
2222 get_lldp_status(const struct ofport
*ofport_
,
2223 struct lldp_status
*status OVS_UNUSED
)
2225 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2227 return ofport
->lldp
? true : false;
2231 set_aa(struct ofproto
*ofproto OVS_UNUSED
,
2232 const struct aa_settings
*s
)
2234 return aa_configure(s
);
2238 aa_mapping_set(struct ofproto
*ofproto_ OVS_UNUSED
, void *aux
,
2239 const struct aa_mapping_settings
*s
)
2241 return aa_mapping_register(aux
, s
);
2245 aa_mapping_unset(struct ofproto
*ofproto OVS_UNUSED
, void *aux
)
2247 return aa_mapping_unregister(aux
);
2251 aa_vlan_get_queued(struct ofproto
*ofproto OVS_UNUSED
, struct ovs_list
*list
)
2253 return aa_get_vlan_queued(list
);
2257 aa_vlan_get_queue_size(struct ofproto
*ofproto OVS_UNUSED
)
2259 return aa_get_vlan_queue_size();
2263 /* Spanning Tree. */
2265 /* Called while rstp_mutex is held. */
2267 rstp_send_bpdu_cb(struct dp_packet
*pkt
, void *ofport_
, void *ofproto_
)
2269 struct ofproto_dpif
*ofproto
= ofproto_
;
2270 struct ofport_dpif
*ofport
= ofport_
;
2271 struct eth_header
*eth
= dp_packet_eth(pkt
);
2273 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2274 if (eth_addr_is_zero(eth
->eth_src
)) {
2275 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2276 "does not have a configured source MAC address.",
2277 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2279 ofproto_dpif_send_packet(ofport
, false, pkt
);
2281 dp_packet_delete(pkt
);
2285 send_bpdu_cb(struct dp_packet
*pkt
, int port_num
, void *ofproto_
)
2287 struct ofproto_dpif
*ofproto
= ofproto_
;
2288 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2289 struct ofport_dpif
*ofport
;
2291 ofport
= stp_port_get_aux(sp
);
2293 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2294 ofproto
->up
.name
, port_num
);
2296 struct eth_header
*eth
= dp_packet_eth(pkt
);
2298 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2299 if (eth_addr_is_zero(eth
->eth_src
)) {
2300 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2301 "with unknown MAC", ofproto
->up
.name
, port_num
);
2303 ofproto_dpif_send_packet(ofport
, false, pkt
);
2306 dp_packet_delete(pkt
);
2309 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2311 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2313 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2315 /* Only revalidate flows if the configuration changed. */
2316 if (!s
!= !ofproto
->rstp
) {
2317 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2321 if (!ofproto
->rstp
) {
2322 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2323 rstp_send_bpdu_cb
, ofproto
);
2324 ofproto
->rstp_last_tick
= time_msec();
2326 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2327 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2328 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2329 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2330 s
->force_protocol_version
);
2331 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2332 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2333 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2334 s
->transmit_hold_count
);
2336 struct ofport
*ofport
;
2337 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2338 set_rstp_port(ofport
, NULL
);
2340 rstp_unref(ofproto
->rstp
);
2341 ofproto
->rstp
= NULL
;
2346 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2348 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2350 if (ofproto
->rstp
) {
2352 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2353 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2354 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2355 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2356 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2357 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2364 update_rstp_port_state(struct ofport_dpif
*ofport
)
2366 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2367 enum rstp_state state
;
2369 /* Figure out new state. */
2370 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2374 if (ofport
->rstp_state
!= state
) {
2375 enum ofputil_port_state of_state
;
2378 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2379 netdev_get_name(ofport
->up
.netdev
),
2380 rstp_state_name(ofport
->rstp_state
),
2381 rstp_state_name(state
));
2383 if (rstp_learn_in_state(ofport
->rstp_state
)
2384 != rstp_learn_in_state(state
)) {
2385 /* XXX: Learning action flows should also be flushed. */
2386 if (ofport
->bundle
) {
2387 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2388 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2389 bundle_flush_macs(ofport
->bundle
, false);
2393 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2394 != rstp_forward_in_state(state
);
2396 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2397 ofport
->rstp_state
= state
;
2399 if (fwd_change
&& ofport
->bundle
) {
2400 bundle_update(ofport
->bundle
);
2403 /* Update the RSTP state bits in the OpenFlow port description. */
2404 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2405 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2406 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2407 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2409 ofproto_port_set_state(&ofport
->up
, of_state
);
2414 rstp_run(struct ofproto_dpif
*ofproto
)
2416 if (ofproto
->rstp
) {
2417 long long int now
= time_msec();
2418 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2419 struct rstp_port
*rp
;
2420 struct ofport_dpif
*ofport
;
2422 /* Every second, decrease the values of the timers. */
2423 if (elapsed
>= 1000) {
2424 rstp_tick_timers(ofproto
->rstp
);
2425 ofproto
->rstp_last_tick
= now
;
2428 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2429 update_rstp_port_state(ofport
);
2433 /* FIXME: This check should be done on-event (i.e., when setting
2434 * p->fdb_flush) and not periodically.
2436 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2437 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2438 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2439 bundle_flush_macs(ofport
->bundle
, false);
2443 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2444 struct ofport_dpif
*old_root_aux
=
2445 (struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
);
2446 struct ofport_dpif
*new_root_aux
=
2447 (struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
);
2448 if (old_root_aux
!= NULL
&& new_root_aux
!= NULL
) {
2449 bundle_move(old_root_aux
->bundle
, new_root_aux
->bundle
);
2450 rstp_reset_root_changed(ofproto
->rstp
);
2456 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2458 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2460 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2462 /* Only revalidate flows if the configuration changed. */
2463 if (!s
!= !ofproto
->stp
) {
2464 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2468 if (!ofproto
->stp
) {
2469 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2470 send_bpdu_cb
, ofproto
);
2471 ofproto
->stp_last_tick
= time_msec();
2474 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2475 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2476 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2477 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2478 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2480 struct ofport
*ofport
;
2482 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2483 set_stp_port(ofport
, NULL
);
2486 stp_unref(ofproto
->stp
);
2487 ofproto
->stp
= NULL
;
2494 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2496 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2500 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2501 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2502 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2511 update_stp_port_state(struct ofport_dpif
*ofport
)
2513 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2514 enum stp_state state
;
2516 /* Figure out new state. */
2517 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2521 if (ofport
->stp_state
!= state
) {
2522 enum ofputil_port_state of_state
;
2525 VLOG_DBG("port %s: STP state changed from %s to %s",
2526 netdev_get_name(ofport
->up
.netdev
),
2527 stp_state_name(ofport
->stp_state
),
2528 stp_state_name(state
));
2529 if (stp_learn_in_state(ofport
->stp_state
)
2530 != stp_learn_in_state(state
)) {
2531 /* xxx Learning action flows should also be flushed. */
2532 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2533 mac_learning_flush(ofproto
->ml
);
2534 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2535 mcast_snooping_mdb_flush(ofproto
->ms
);
2537 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2538 != stp_forward_in_state(state
);
2540 ofproto
->backer
->need_revalidate
= REV_STP
;
2541 ofport
->stp_state
= state
;
2542 ofport
->stp_state_entered
= time_msec();
2544 if (fwd_change
&& ofport
->bundle
) {
2545 bundle_update(ofport
->bundle
);
2548 /* Update the STP state bits in the OpenFlow port description. */
2549 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2550 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2551 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2552 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2553 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2555 ofproto_port_set_state(&ofport
->up
, of_state
);
2560 stp_check_and_update_link_state(struct ofproto_dpif
*ofproto
)
2562 struct ofport_dpif
*ofport
;
2564 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2565 bool up
= netdev_get_carrier(ofport
->up
.netdev
);
2567 if (ofport
->stp_port
&&
2568 up
!= (stp_port_get_state(ofport
->stp_port
) != STP_DISABLED
)) {
2570 VLOG_DBG("bridge %s, port %s is %s, %s it.",
2571 ofproto
->up
.name
, netdev_get_name(ofport
->up
.netdev
),
2573 up
? "enabling" : "disabling");
2576 stp_port_enable(ofport
->stp_port
);
2577 stp_port_set_aux(ofport
->stp_port
, ofport
);
2579 stp_port_disable(ofport
->stp_port
);
2582 update_stp_port_state(ofport
);
2587 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2588 * caller is responsible for assigning STP port numbers and ensuring
2589 * there are no duplicates. */
2591 set_stp_port(struct ofport
*ofport_
,
2592 const struct ofproto_port_stp_settings
*s
)
2594 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2595 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2596 struct stp_port
*sp
= ofport
->stp_port
;
2598 if (!s
|| !s
->enable
) {
2600 ofport
->stp_port
= NULL
;
2601 stp_port_disable(sp
);
2602 update_stp_port_state(ofport
);
2605 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2606 && ofport
== stp_port_get_aux(sp
)) {
2607 /* The port-id changed, so disable the old one if it's not
2608 * already in use by another port. */
2609 stp_port_disable(sp
);
2612 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2614 /* Set name before enabling the port so that debugging messages can print
2616 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2618 if (netdev_get_carrier(ofport_
->netdev
)) {
2619 stp_port_enable(sp
);
2621 stp_port_disable(sp
);
2624 stp_port_set_aux(sp
, ofport
);
2625 stp_port_set_priority(sp
, s
->priority
);
2626 stp_port_set_path_cost(sp
, s
->path_cost
);
2628 update_stp_port_state(ofport
);
2634 get_stp_port_status(struct ofport
*ofport_
,
2635 struct ofproto_port_stp_status
*s
)
2637 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2638 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2639 struct stp_port
*sp
= ofport
->stp_port
;
2641 if (!ofproto
->stp
|| !sp
) {
2647 stp_port_get_status(sp
, &s
->port_id
, &s
->state
, &s
->role
);
2648 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2654 get_stp_port_stats(struct ofport
*ofport_
,
2655 struct ofproto_port_stp_stats
*s
)
2657 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2658 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2659 struct stp_port
*sp
= ofport
->stp_port
;
2661 if (!ofproto
->stp
|| !sp
) {
2667 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2673 stp_run(struct ofproto_dpif
*ofproto
)
2676 long long int now
= time_msec();
2677 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2678 struct stp_port
*sp
;
2681 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2682 ofproto
->stp_last_tick
= now
;
2685 stp_check_and_update_link_state(ofproto
);
2687 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2688 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2691 update_stp_port_state(ofport
);
2695 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2696 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2697 mac_learning_flush(ofproto
->ml
);
2698 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2699 mcast_snooping_mdb_flush(ofproto
->ms
);
2705 stp_wait(struct ofproto_dpif
*ofproto
)
2708 poll_timer_wait(1000);
2712 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2713 * caller is responsible for assigning RSTP port numbers and ensuring
2714 * there are no duplicates. */
2716 set_rstp_port(struct ofport
*ofport_
,
2717 const struct ofproto_port_rstp_settings
*s
)
2719 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2720 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2721 struct rstp_port
*rp
= ofport
->rstp_port
;
2723 if (!s
|| !s
->enable
) {
2725 rstp_port_set_aux(rp
, NULL
);
2726 rstp_port_set_state(rp
, RSTP_DISABLED
);
2727 rstp_port_set_mac_operational(rp
, false);
2728 ofport
->rstp_port
= NULL
;
2729 rstp_port_unref(rp
);
2730 update_rstp_port_state(ofport
);
2735 /* Check if need to add a new port. */
2737 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2740 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2741 s
->admin_edge_port
, s
->auto_edge
,
2742 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2743 ofport
, netdev_get_name(ofport
->up
.netdev
));
2744 update_rstp_port_state(ofport
);
2745 /* Synchronize operational status. */
2746 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2750 get_rstp_port_status(struct ofport
*ofport_
,
2751 struct ofproto_port_rstp_status
*s
)
2753 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2754 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2755 struct rstp_port
*rp
= ofport
->rstp_port
;
2757 if (!ofproto
->rstp
|| !rp
) {
2763 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2764 &s
->designated_bridge_id
, &s
->designated_port_id
,
2765 &s
->designated_path_cost
, &s
->tx_count
,
2766 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2771 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2774 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2775 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2777 if (ofport
->n_qdscp
!= n_qdscp
2778 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2779 n_qdscp
* sizeof *qdscp
))) {
2780 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2781 free(ofport
->qdscp
);
2782 ofport
->qdscp
= n_qdscp
2783 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2785 ofport
->n_qdscp
= n_qdscp
;
2793 /* Expires all MAC learning entries associated with 'bundle' and forces its
2794 * ofproto to revalidate every flow.
2796 * Normally MAC learning entries are removed only from the ofproto associated
2797 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2798 * are removed from every ofproto. When patch ports and SLB bonds are in use
2799 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2800 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2801 * with the host from which it migrated. */
2803 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2805 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2806 struct mac_learning
*ml
= ofproto
->ml
;
2807 struct mac_entry
*mac
, *next_mac
;
2809 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2810 ovs_rwlock_wrlock(&ml
->rwlock
);
2811 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2812 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2814 struct ofproto_dpif
*o
;
2816 HMAP_FOR_EACH (o
, all_ofproto_dpifs_by_name_node
,
2817 &all_ofproto_dpifs_by_name
) {
2819 struct mac_entry
*e
;
2821 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2822 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2824 mac_learning_expire(o
->ml
, e
);
2826 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2831 mac_learning_expire(ml
, mac
);
2834 ovs_rwlock_unlock(&ml
->rwlock
);
2838 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2840 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2841 struct mac_learning
*ml
= ofproto
->ml
;
2842 struct mac_entry
*mac
, *next_mac
;
2844 ovs_assert(new->ofproto
== old
->ofproto
);
2846 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2847 ovs_rwlock_wrlock(&ml
->rwlock
);
2848 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2849 if (mac_entry_get_port(ml
, mac
) == old
) {
2850 mac_entry_set_port(ml
, mac
, new);
2853 ovs_rwlock_unlock(&ml
->rwlock
);
2856 static struct ofbundle
*
2857 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2859 struct ofbundle
*bundle
;
2861 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2862 &ofproto
->bundles
) {
2863 if (bundle
->aux
== aux
) {
2871 bundle_update(struct ofbundle
*bundle
)
2873 struct ofport_dpif
*port
;
2875 bundle
->floodable
= true;
2876 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2877 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2878 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2879 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2880 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2881 bundle
->floodable
= false;
2888 bundle_del_port(struct ofport_dpif
*port
)
2890 struct ofbundle
*bundle
= port
->bundle
;
2892 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2894 ovs_list_remove(&port
->bundle_node
);
2895 port
->bundle
= NULL
;
2898 lacp_slave_unregister(bundle
->lacp
, port
);
2901 bond_slave_unregister(bundle
->bond
, port
);
2904 bundle_update(bundle
);
2908 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2909 struct lacp_slave_settings
*lacp
)
2911 struct ofport_dpif
*port
;
2913 port
= ofp_port_to_ofport(bundle
->ofproto
, ofp_port
);
2918 if (port
->bundle
!= bundle
) {
2919 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2921 bundle_remove(&port
->up
);
2924 port
->bundle
= bundle
;
2925 ovs_list_push_back(&bundle
->ports
, &port
->bundle_node
);
2926 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2927 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2928 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2929 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2930 bundle
->floodable
= false;
2934 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2935 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2942 bundle_destroy(struct ofbundle
*bundle
)
2944 struct ofproto_dpif
*ofproto
;
2945 struct ofport_dpif
*port
, *next_port
;
2951 ofproto
= bundle
->ofproto
;
2952 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2955 xlate_bundle_remove(bundle
);
2958 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2959 bundle_del_port(port
);
2962 bundle_flush_macs(bundle
, true);
2963 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
2964 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2966 free(bundle
->trunks
);
2967 free(bundle
->cvlans
);
2968 lacp_unref(bundle
->lacp
);
2969 bond_unref(bundle
->bond
);
2974 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2975 const struct ofproto_bundle_settings
*s
)
2977 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2978 bool need_flush
= false;
2979 struct ofport_dpif
*port
;
2980 struct ofbundle
*bundle
;
2981 unsigned long *trunks
= NULL
;
2982 unsigned long *cvlans
= NULL
;
2987 bundle
= bundle_lookup(ofproto
, aux
);
2990 bundle_destroy(bundle
);
2994 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
2995 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
2998 bundle
= xmalloc(sizeof *bundle
);
3000 bundle
->ofproto
= ofproto
;
3001 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
3002 hash_pointer(aux
, 0));
3004 bundle
->name
= NULL
;
3006 ovs_list_init(&bundle
->ports
);
3007 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
3008 bundle
->qinq_ethtype
= ETH_TYPE_VLAN_8021AD
;
3010 bundle
->trunks
= NULL
;
3011 bundle
->cvlans
= NULL
;
3012 bundle
->use_priority_tags
= s
->use_priority_tags
;
3013 bundle
->lacp
= NULL
;
3014 bundle
->bond
= NULL
;
3016 bundle
->floodable
= true;
3017 bundle
->protected = false;
3018 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
3021 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
3023 bundle
->name
= xstrdup(s
->name
);
3028 ofproto
->lacp_enabled
= true;
3029 if (!bundle
->lacp
) {
3030 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3031 bundle
->lacp
= lacp_create();
3033 lacp_configure(bundle
->lacp
, s
->lacp
);
3035 lacp_unref(bundle
->lacp
);
3036 bundle
->lacp
= NULL
;
3039 /* Update set of ports. */
3041 for (i
= 0; i
< s
->n_slaves
; i
++) {
3042 if (!bundle_add_port(bundle
, s
->slaves
[i
],
3043 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
3047 if (!ok
|| ovs_list_size(&bundle
->ports
) != s
->n_slaves
) {
3048 struct ofport_dpif
*next_port
;
3050 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
3051 for (i
= 0; i
< s
->n_slaves
; i
++) {
3052 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
3057 bundle_del_port(port
);
3061 ovs_assert(ovs_list_size(&bundle
->ports
) <= s
->n_slaves
);
3063 if (ovs_list_is_empty(&bundle
->ports
)) {
3064 bundle_destroy(bundle
);
3068 /* Set VLAN tagging mode */
3069 if (s
->vlan_mode
!= bundle
->vlan_mode
3070 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
3071 bundle
->vlan_mode
= s
->vlan_mode
;
3072 bundle
->use_priority_tags
= s
->use_priority_tags
;
3076 if (s
->qinq_ethtype
!= bundle
->qinq_ethtype
) {
3077 bundle
->qinq_ethtype
= s
->qinq_ethtype
;
3082 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
3083 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
3085 if (vlan
!= bundle
->vlan
) {
3086 bundle
->vlan
= vlan
;
3090 /* Get trunked VLANs. */
3091 switch (s
->vlan_mode
) {
3092 case PORT_VLAN_ACCESS
:
3096 case PORT_VLAN_TRUNK
:
3097 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3100 case PORT_VLAN_NATIVE_UNTAGGED
:
3101 case PORT_VLAN_NATIVE_TAGGED
:
3102 if (vlan
!= 0 && (!s
->trunks
3103 || !bitmap_is_set(s
->trunks
, vlan
)
3104 || bitmap_is_set(s
->trunks
, 0))) {
3105 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
3107 trunks
= bitmap_clone(s
->trunks
, 4096);
3109 trunks
= bitmap_allocate1(4096);
3111 bitmap_set1(trunks
, vlan
);
3112 bitmap_set0(trunks
, 0);
3114 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3118 case PORT_VLAN_DOT1Q_TUNNEL
:
3119 cvlans
= CONST_CAST(unsigned long *, s
->cvlans
);
3125 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
3126 free(bundle
->trunks
);
3127 if (trunks
== s
->trunks
) {
3128 bundle
->trunks
= vlan_bitmap_clone(trunks
);
3130 bundle
->trunks
= trunks
;
3135 if (trunks
!= s
->trunks
) {
3139 if (!vlan_bitmap_equal(cvlans
, bundle
->cvlans
)) {
3140 free(bundle
->cvlans
);
3141 if (cvlans
== s
->cvlans
) {
3142 bundle
->cvlans
= vlan_bitmap_clone(cvlans
);
3144 bundle
->cvlans
= cvlans
;
3149 if (cvlans
!= s
->cvlans
) {
3154 if (!ovs_list_is_short(&bundle
->ports
)) {
3155 bundle
->ofproto
->has_bonded_bundles
= true;
3157 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
3158 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3161 bundle
->bond
= bond_create(s
->bond
, ofproto
);
3162 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3165 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3166 bond_slave_register(bundle
->bond
, port
,
3167 port
->up
.ofp_port
, port
->up
.netdev
);
3170 bond_unref(bundle
->bond
);
3171 bundle
->bond
= NULL
;
3174 /* Set proteced port mode */
3175 if (s
->protected != bundle
->protected) {
3176 bundle
->protected = s
->protected;
3180 /* If we changed something that would affect MAC learning, un-learn
3181 * everything on this port and force flow revalidation. */
3183 bundle_flush_macs(bundle
, false);
3184 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
3191 bundle_remove(struct ofport
*port_
)
3193 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
3194 struct ofbundle
*bundle
= port
->bundle
;
3197 bundle_del_port(port
);
3198 if (ovs_list_is_empty(&bundle
->ports
)) {
3199 bundle_destroy(bundle
);
3200 } else if (ovs_list_is_short(&bundle
->ports
)) {
3201 bond_unref(bundle
->bond
);
3202 bundle
->bond
= NULL
;
3208 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
3210 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
3211 struct ofport_dpif
*port
= port_
;
3215 error
= netdev_get_etheraddr(port
->up
.netdev
, &ea
);
3217 struct dp_packet packet
;
3220 dp_packet_init(&packet
, 0);
3221 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
3223 memcpy(packet_pdu
, pdu
, pdu_size
);
3225 ofproto_dpif_send_packet(port
, false, &packet
);
3226 dp_packet_uninit(&packet
);
3228 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
3229 "%s (%s)", port
->bundle
->name
,
3230 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
3235 bundle_send_learning_packets(struct ofbundle
*bundle
)
3237 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
3238 int error
, n_packets
, n_errors
;
3239 struct mac_entry
*e
;
3241 struct ovs_list list_node
;
3242 struct ofport_dpif
*port
;
3243 struct dp_packet
*pkt
;
3245 struct ovs_list packets
;
3247 ovs_list_init(&packets
);
3248 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3249 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3250 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
3251 pkt_node
= xmalloc(sizeof *pkt_node
);
3252 pkt_node
->pkt
= bond_compose_learning_packet(bundle
->bond
,
3254 (void **)&pkt_node
->port
);
3255 ovs_list_push_back(&packets
, &pkt_node
->list_node
);
3258 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3260 error
= n_packets
= n_errors
= 0;
3261 LIST_FOR_EACH_POP (pkt_node
, list_node
, &packets
) {
3264 ret
= ofproto_dpif_send_packet(pkt_node
->port
, false, pkt_node
->pkt
);
3265 dp_packet_delete(pkt_node
->pkt
);
3275 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3276 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
3277 "packets, last error was: %s",
3278 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
3280 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3281 bundle
->name
, n_packets
);
3286 bundle_run(struct ofbundle
*bundle
)
3289 lacp_run(bundle
->lacp
, send_pdu_cb
);
3292 struct ofport_dpif
*port
;
3294 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3295 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3298 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3299 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3302 if (bond_should_send_learning_packets(bundle
->bond
)) {
3303 bundle_send_learning_packets(bundle
);
3309 bundle_wait(struct ofbundle
*bundle
)
3312 lacp_wait(bundle
->lacp
);
3315 bond_wait(bundle
->bond
);
3322 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3323 const struct ofproto_mirror_settings
*s
)
3325 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3326 struct ofbundle
**srcs
, **dsts
;
3331 mirror_destroy(ofproto
->mbridge
, aux
);
3335 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3336 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3338 for (i
= 0; i
< s
->n_srcs
; i
++) {
3339 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3342 for (i
= 0; i
< s
->n_dsts
; i
++) {
3343 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3346 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3347 s
->n_dsts
, s
->src_vlans
,
3348 bundle_lookup(ofproto
, s
->out_bundle
),
3349 s
->snaplen
, s
->out_vlan
);
3356 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3357 uint64_t *packets
, uint64_t *bytes
)
3359 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3364 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3366 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3367 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3368 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3369 mac_learning_flush(ofproto
->ml
);
3371 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3376 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3378 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3379 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3380 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3384 forward_bpdu_changed(struct ofproto
*ofproto_
)
3386 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3387 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3391 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3394 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3395 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3396 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3397 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3398 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3401 /* Configures multicast snooping on 'ofport' using the settings
3402 * defined in 's'. */
3404 set_mcast_snooping(struct ofproto
*ofproto_
,
3405 const struct ofproto_mcast_snooping_settings
*s
)
3407 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3409 /* Only revalidate flows if the configuration changed. */
3410 if (!s
!= !ofproto
->ms
) {
3411 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3416 ofproto
->ms
= mcast_snooping_create();
3419 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3420 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3421 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3422 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3423 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3425 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3427 mcast_snooping_unref(ofproto
->ms
);
3434 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3436 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3437 const struct ofproto_mcast_snooping_port_settings
*s
)
3439 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3440 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3442 if (ofproto
->ms
&& s
) {
3443 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3444 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3445 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3447 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3455 struct ofport_dpif
*
3456 ofp_port_to_ofport(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3458 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3459 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3463 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3464 struct ofproto_port
*ofproto_port
,
3465 struct dpif_port
*dpif_port
)
3467 ofproto_port
->name
= dpif_port
->name
;
3468 ofproto_port
->type
= dpif_port
->type
;
3469 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3473 ofport_update_peer(struct ofport_dpif
*ofport
)
3475 const struct ofproto_dpif
*ofproto
;
3476 struct dpif_backer
*backer
;
3479 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3483 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3484 backer
->need_revalidate
= REV_RECONFIGURE
;
3487 ofport
->peer
->peer
= NULL
;
3488 ofport
->peer
= NULL
;
3491 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3496 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
3497 &all_ofproto_dpifs_by_name
) {
3498 struct ofport
*peer_ofport
;
3499 struct ofport_dpif
*peer
;
3502 if (ofproto
->backer
!= backer
) {
3506 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3511 peer
= ofport_dpif_cast(peer_ofport
);
3512 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3513 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3515 ofport
->peer
= peer
;
3516 ofport
->peer
->peer
= ofport
;
3526 port_run(struct ofport_dpif
*ofport
)
3528 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3529 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3530 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3531 bool cfm_enable
= false;
3532 bool bfd_enable
= false;
3534 ofport
->carrier_seq
= carrier_seq
;
3537 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3539 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3541 if (cfm_opup
>= 0) {
3542 cfm_enable
= cfm_enable
&& cfm_opup
;
3547 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3550 if (ofport
->bfd
|| ofport
->cfm
) {
3551 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3554 if (ofport
->bundle
) {
3555 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3556 if (carrier_changed
) {
3557 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3561 if (ofport
->may_enable
!= enable
) {
3562 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3564 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3566 if (ofport
->rstp_port
) {
3567 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3570 /* Propagate liveness, unless the link is administratively or
3571 * operationally down. */
3572 if (!(ofport
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
3573 !(ofport
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
)) {
3574 enum ofputil_port_state of_state
= ofport
->up
.pp
.state
;
3576 of_state
|= OFPUTIL_PS_LIVE
;
3578 of_state
&= ~OFPUTIL_PS_LIVE
;
3580 ofproto_port_set_state(&ofport
->up
, of_state
);
3584 ofport
->may_enable
= enable
;
3588 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3589 struct ofproto_port
*ofproto_port
)
3591 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3592 struct dpif_port dpif_port
;
3595 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3596 const char *type
= netdev_get_type_from_name(devname
);
3598 /* We may be called before ofproto->up.port_by_name is populated with
3599 * the appropriate ofport. For this reason, we must get the name and
3600 * type from the netdev layer directly. */
3602 const struct ofport
*ofport
;
3604 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3605 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3606 ofproto_port
->name
= xstrdup(devname
);
3607 ofproto_port
->type
= xstrdup(type
);
3613 if (!sset_contains(&ofproto
->ports
, devname
)) {
3616 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3617 devname
, &dpif_port
);
3619 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3625 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3627 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3628 const char *devname
= netdev_get_name(netdev
);
3629 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3630 const char *dp_port_name
;
3632 if (netdev_vport_is_patch(netdev
)) {
3633 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3637 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3638 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3639 odp_port_t port_no
= ODPP_NONE
;
3642 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3646 if (netdev_get_tunnel_config(netdev
)) {
3647 simap_put(&ofproto
->backer
->tnl_backers
,
3648 dp_port_name
, odp_to_u32(port_no
));
3652 if (netdev_get_tunnel_config(netdev
)) {
3653 sset_add(&ofproto
->ghost_ports
, devname
);
3655 sset_add(&ofproto
->ports
, devname
);
3661 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3663 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3664 struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
3671 sset_find_and_delete(&ofproto
->ghost_ports
,
3672 netdev_get_name(ofport
->up
.netdev
));
3673 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3674 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3675 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
, false);
3677 /* The caller is going to close ofport->up.netdev. If this is a
3678 * bonded port, then the bond is using that netdev, so remove it
3679 * from the bond. The client will need to reconfigure everything
3680 * after deleting ports, so then the slave will get re-added. */
3681 bundle_remove(&ofport
->up
);
3688 port_set_config(const struct ofport
*ofport_
, const struct smap
*cfg
)
3690 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3691 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3693 if (sset_contains(&ofproto
->ghost_ports
,
3694 netdev_get_name(ofport
->up
.netdev
))) {
3698 return dpif_port_set_config(ofproto
->backer
->dpif
, ofport
->odp_port
, cfg
);
3702 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3704 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3707 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3709 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3710 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3712 ovs_mutex_lock(&ofproto
->stats_mutex
);
3713 /* ofproto->stats.tx_packets represents packets that we created
3714 * internally and sent to some port (e.g. packets sent with
3715 * ofproto_dpif_send_packet()). Account for them as if they had
3716 * come from OFPP_LOCAL and got forwarded. */
3718 if (stats
->rx_packets
!= UINT64_MAX
) {
3719 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3722 if (stats
->rx_bytes
!= UINT64_MAX
) {
3723 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3726 /* ofproto->stats.rx_packets represents packets that were received on
3727 * some port and we processed internally and dropped (e.g. STP).
3728 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3730 if (stats
->tx_packets
!= UINT64_MAX
) {
3731 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3734 if (stats
->tx_bytes
!= UINT64_MAX
) {
3735 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3737 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3744 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3746 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3747 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3748 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3755 struct port_dump_state
{
3756 struct sset_position pos
;
3759 struct ofproto_port port
;
3764 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3766 *statep
= xzalloc(sizeof(struct port_dump_state
));
3771 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3772 struct ofproto_port
*port
)
3774 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3775 struct port_dump_state
*state
= state_
;
3776 const struct sset
*sset
;
3777 struct sset_node
*node
;
3779 if (state
->has_port
) {
3780 ofproto_port_destroy(&state
->port
);
3781 state
->has_port
= false;
3783 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3784 while ((node
= sset_at_position(sset
, &state
->pos
))) {
3787 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3789 *port
= state
->port
;
3790 state
->has_port
= true;
3792 } else if (error
!= ENODEV
) {
3797 if (!state
->ghost
) {
3798 state
->ghost
= true;
3799 memset(&state
->pos
, 0, sizeof state
->pos
);
3800 return port_dump_next(ofproto_
, state_
, port
);
3807 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3809 struct port_dump_state
*state
= state_
;
3811 if (state
->has_port
) {
3812 ofproto_port_destroy(&state
->port
);
3819 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3821 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3823 if (ofproto
->port_poll_errno
) {
3824 int error
= ofproto
->port_poll_errno
;
3825 ofproto
->port_poll_errno
= 0;
3829 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3833 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3838 port_poll_wait(const struct ofproto
*ofproto_
)
3840 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3841 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3845 port_is_lacp_current(const struct ofport
*ofport_
)
3847 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3848 return (ofport
->bundle
&& ofport
->bundle
->lacp
3849 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3853 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3854 * then delete it entirely. */
3856 rule_expire(struct rule_dpif
*rule
, long long now
)
3857 OVS_REQUIRES(ofproto_mutex
)
3859 uint16_t hard_timeout
, idle_timeout
;
3862 hard_timeout
= rule
->up
.hard_timeout
;
3863 idle_timeout
= rule
->up
.idle_timeout
;
3865 /* Has 'rule' expired? */
3867 long long int modified
;
3869 ovs_mutex_lock(&rule
->up
.mutex
);
3870 modified
= rule
->up
.modified
;
3871 ovs_mutex_unlock(&rule
->up
.mutex
);
3873 if (now
> modified
+ hard_timeout
* 1000) {
3874 reason
= OFPRR_HARD_TIMEOUT
;
3878 if (reason
< 0 && idle_timeout
) {
3881 ovs_mutex_lock(&rule
->stats_mutex
);
3882 used
= rule
->stats
.used
;
3883 ovs_mutex_unlock(&rule
->stats_mutex
);
3885 if (now
> used
+ idle_timeout
* 1000) {
3886 reason
= OFPRR_IDLE_TIMEOUT
;
3891 COVERAGE_INC(ofproto_dpif_expired
);
3892 ofproto_rule_expire(&rule
->up
, reason
);
3897 ofproto_dpif_set_packet_odp_port(const struct ofproto_dpif
*ofproto
,
3898 ofp_port_t in_port
, struct dp_packet
*packet
)
3900 if (in_port
== OFPP_NONE
) {
3901 in_port
= OFPP_LOCAL
;
3903 packet
->md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3907 ofproto_dpif_execute_actions__(struct ofproto_dpif
*ofproto
,
3908 ovs_version_t version
, const struct flow
*flow
,
3909 struct rule_dpif
*rule
,
3910 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3911 int depth
, int resubmits
,
3912 struct dp_packet
*packet
)
3914 struct dpif_flow_stats stats
;
3915 struct xlate_out xout
;
3916 struct xlate_in xin
;
3917 struct dpif_execute execute
;
3920 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3922 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3925 rule_dpif_credit_stats(rule
, &stats
);
3928 uint64_t odp_actions_stub
[1024 / 8];
3929 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
3930 xlate_in_init(&xin
, ofproto
, version
, flow
, flow
->in_port
.ofp_port
, rule
,
3931 stats
.tcp_flags
, packet
, NULL
, &odp_actions
);
3932 xin
.ofpacts
= ofpacts
;
3933 xin
.ofpacts_len
= ofpacts_len
;
3934 xin
.resubmit_stats
= &stats
;
3936 xin
.resubmits
= resubmits
;
3937 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
3942 execute
.actions
= odp_actions
.data
;
3943 execute
.actions_len
= odp_actions
.size
;
3945 pkt_metadata_from_flow(&packet
->md
, flow
);
3946 execute
.packet
= packet
;
3947 execute
.flow
= flow
;
3948 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3949 execute
.probe
= false;
3952 /* Fix up in_port. */
3953 ofproto_dpif_set_packet_odp_port(ofproto
, flow
->in_port
.ofp_port
, packet
);
3955 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3957 xlate_out_uninit(&xout
);
3958 ofpbuf_uninit(&odp_actions
);
3963 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3964 * 'flow' must reflect the data in 'packet'. */
3966 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3967 ovs_version_t version
, const struct flow
*flow
,
3968 struct rule_dpif
*rule
,
3969 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3970 struct dp_packet
*packet
)
3972 return ofproto_dpif_execute_actions__(ofproto
, version
, flow
, rule
,
3973 ofpacts
, ofpacts_len
, 0, 0, packet
);
3977 rule_dpif_credit_stats__(struct rule_dpif
*rule
,
3978 const struct dpif_flow_stats
*stats
,
3980 OVS_REQUIRES(rule
->stats_mutex
)
3982 if (credit_counts
) {
3983 rule
->stats
.n_packets
+= stats
->n_packets
;
3984 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3986 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3990 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3991 const struct dpif_flow_stats
*stats
)
3993 ovs_mutex_lock(&rule
->stats_mutex
);
3994 if (OVS_UNLIKELY(rule
->new_rule
)) {
3995 ovs_mutex_lock(&rule
->new_rule
->stats_mutex
);
3996 rule_dpif_credit_stats__(rule
->new_rule
, stats
, rule
->forward_counts
);
3997 ovs_mutex_unlock(&rule
->new_rule
->stats_mutex
);
3999 rule_dpif_credit_stats__(rule
, stats
, true);
4001 ovs_mutex_unlock(&rule
->stats_mutex
);
4004 /* Sets 'rule''s recirculation id. */
4006 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
4007 OVS_REQUIRES(rule
->up
.mutex
)
4009 ovs_assert(!rule
->recirc_id
|| rule
->recirc_id
== id
);
4010 if (rule
->recirc_id
== id
) {
4011 /* Release the new reference to the same id. */
4014 rule
->recirc_id
= id
;
4018 /* Sets 'rule''s recirculation id. */
4020 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
4022 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4024 ovs_mutex_lock(&rule
->up
.mutex
);
4025 rule_dpif_set_recirc_id(rule
, id
);
4026 ovs_mutex_unlock(&rule
->up
.mutex
);
4030 ofproto_dpif_get_tables_version(struct ofproto_dpif
*ofproto
)
4032 ovs_version_t version
;
4034 /* Use memory_order_acquire to signify that any following memory accesses
4035 * can not be reordered to happen before this atomic read. This makes sure
4036 * all following reads relate to this or a newer version, but never to an
4038 atomic_read_explicit(&ofproto
->tables_version
, &version
,
4039 memory_order_acquire
);
4043 /* The returned rule (if any) is valid at least until the next RCU quiescent
4044 * period. If the rule needs to stay around longer, the caller should take
4047 * 'flow' is non-const to allow for temporary modifications during the lookup.
4048 * Any changes are restored before returning. */
4049 static struct rule_dpif
*
4050 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, ovs_version_t version
,
4051 uint8_t table_id
, struct flow
*flow
,
4052 struct flow_wildcards
*wc
)
4054 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
4055 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls
, version
,
4060 ofproto_dpif_credit_table_stats(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
4061 uint64_t n_matches
, uint64_t n_misses
)
4063 struct oftable
*tbl
= &ofproto
->up
.tables
[table_id
];
4067 atomic_add_relaxed(&tbl
->n_matched
, n_matches
, &orig
);
4070 atomic_add_relaxed(&tbl
->n_missed
, n_misses
, &orig
);
4074 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
4075 * table '*table_id'. Returns the rule that was found, which may be one of the
4076 * special rules according to packet miss hadling. If 'may_packet_in' is
4077 * false, returning of the miss_rule (which issues packet ins for the
4078 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
4079 * that were used during the lookup.
4081 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
4082 * if none is found then the table miss configuration for that table is
4083 * honored, which can result in additional lookups in other OpenFlow tables.
4084 * In this case the function updates '*table_id' to reflect the final OpenFlow
4085 * table that was searched.
4087 * If 'honor_table_miss' is false, then only one table lookup occurs, in
4090 * The rule is returned in '*rule', which is valid at least until the next
4091 * RCU quiescent period. If the '*rule' needs to stay around longer, the
4092 * caller must take a reference.
4094 * 'in_port' allows the lookup to take place as if the in port had the value
4095 * 'in_port'. This is needed for resubmit action support.
4097 * 'flow' is non-const to allow for temporary modifications during the lookup.
4098 * Any changes are restored before returning. */
4100 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
4101 ovs_version_t version
, struct flow
*flow
,
4102 struct flow_wildcards
*wc
,
4103 const struct dpif_flow_stats
*stats
,
4104 uint8_t *table_id
, ofp_port_t in_port
,
4105 bool may_packet_in
, bool honor_table_miss
,
4106 struct xlate_cache
*xcache
)
4108 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
4109 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
4110 enum ofputil_table_miss miss_config
;
4111 struct rule_dpif
*rule
;
4114 /* We always unwildcard nw_frag (for IP), so they
4115 * need not be unwildcarded here. */
4116 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
4117 && ofproto
->up
.frag_handling
!= OFPUTIL_FRAG_NX_MATCH
) {
4118 if (ofproto
->up
.frag_handling
== OFPUTIL_FRAG_NORMAL
) {
4119 /* We must pretend that transport ports are unavailable. */
4120 flow
->tp_src
= htons(0);
4121 flow
->tp_dst
= htons(0);
4123 /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM).
4124 * Use the drop_frags_rule (which cannot disappear). */
4125 rule
= ofproto
->drop_frags_rule
;
4127 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
4130 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
4133 struct xc_entry
*entry
;
4135 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4136 entry
->table
.ofproto
= ofproto
;
4137 entry
->table
.id
= *table_id
;
4138 entry
->table
.match
= true;
4144 /* Look up a flow with 'in_port' as the input port. Then restore the
4145 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
4146 * have surprising behavior). */
4147 flow
->in_port
.ofp_port
= in_port
;
4149 /* Our current implementation depends on n_tables == N_TABLES, and
4150 * TBL_INTERNAL being the last table. */
4151 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
4153 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
4155 for (next_id
= *table_id
;
4156 next_id
< ofproto
->up
.n_tables
;
4157 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
4159 *table_id
= next_id
;
4160 rule
= rule_dpif_lookup_in_table(ofproto
, version
, next_id
, flow
, wc
);
4162 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
4165 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
4166 stats
->n_packets
, &orig
);
4169 struct xc_entry
*entry
;
4171 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4172 entry
->table
.ofproto
= ofproto
;
4173 entry
->table
.id
= next_id
;
4174 entry
->table
.match
= (rule
!= NULL
);
4177 goto out
; /* Match. */
4179 if (honor_table_miss
) {
4180 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
4182 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
4189 rule
= ofproto
->no_packet_in_rule
;
4190 if (may_packet_in
) {
4191 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
4192 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
4193 struct ofport_dpif
*port
;
4195 port
= ofp_port_to_ofport(ofproto
, old_in_port
);
4197 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu32
,
4199 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
4200 rule
= ofproto
->miss_rule
;
4202 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
4203 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
4204 rule
= ofproto
->miss_rule
;
4208 /* Restore port numbers, as they may have been modified above. */
4209 flow
->tp_src
= old_tp_src
;
4210 flow
->tp_dst
= old_tp_dst
;
4211 /* Restore the old in port. */
4212 flow
->in_port
.ofp_port
= old_in_port
;
4217 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
4219 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
4222 static struct rule
*
4225 struct rule_dpif
*rule
= xzalloc(sizeof *rule
);
4230 rule_dealloc(struct rule
*rule_
)
4232 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4237 check_mask(struct ofproto_dpif
*ofproto
, const struct miniflow
*flow
)
4239 const struct odp_support
*support
;
4240 uint16_t ct_state
, ct_zone
;
4244 support
= &ofproto
->backer
->rt_support
.odp
;
4245 ct_state
= MINIFLOW_GET_U8(flow
, ct_state
);
4247 if (ct_state
& CS_UNSUPPORTED_MASK
) {
4248 return OFPERR_OFPBMC_BAD_MASK
;
4251 /* Do not bother dissecting the flow further if the datapath supports all
4252 * the features we know of. */
4253 if (support
->ct_state
&& support
->ct_zone
&& support
->ct_mark
4254 && support
->ct_label
&& support
->ct_state_nat
4255 && support
->ct_orig_tuple
&& support
->ct_orig_tuple6
) {
4259 ct_zone
= MINIFLOW_GET_U16(flow
, ct_zone
);
4260 ct_mark
= MINIFLOW_GET_U32(flow
, ct_mark
);
4261 ct_label
= MINIFLOW_GET_U128(flow
, ct_label
);
4263 if ((ct_state
&& !support
->ct_state
)
4264 || ((ct_state
& (CS_SRC_NAT
| CS_DST_NAT
)) && !support
->ct_state_nat
)
4265 || (ct_zone
&& !support
->ct_zone
)
4266 || (ct_mark
&& !support
->ct_mark
)
4267 || (!ovs_u128_is_zero(ct_label
) && !support
->ct_label
)) {
4268 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4271 if (!support
->ct_orig_tuple
&& !support
->ct_orig_tuple6
4272 && (MINIFLOW_GET_U8(flow
, ct_nw_proto
)
4273 || MINIFLOW_GET_U16(flow
, ct_tp_src
)
4274 || MINIFLOW_GET_U16(flow
, ct_tp_dst
))) {
4275 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4278 if (!support
->ct_orig_tuple
4279 && (MINIFLOW_GET_U32(flow
, ct_nw_src
)
4280 || MINIFLOW_GET_U32(flow
, ct_nw_dst
))) {
4281 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4284 if (!support
->ct_orig_tuple6
4285 && (!ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_src
))
4286 || !ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_dst
)))) {
4287 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4294 report_unsupported_act(const char *action
, const char *detail
)
4296 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
4297 VLOG_WARN_RL(&rl
, "Rejecting %s action because datapath does not support"
4298 "%s%s (your kernel module may be out of date)",
4299 action
, detail
? " " : "", detail
? detail
: "");
4303 check_actions(const struct ofproto_dpif
*ofproto
,
4304 const struct rule_actions
*const actions
)
4306 const struct ofpact
*ofpact
;
4307 const struct odp_support
*support
= &ofproto
->backer
->rt_support
.odp
;
4309 OFPACT_FOR_EACH (ofpact
, actions
->ofpacts
, actions
->ofpacts_len
) {
4310 if (ofpact
->type
== OFPACT_CT
) {
4311 const struct ofpact_conntrack
*ct
;
4312 const struct ofpact
*a
;
4314 ct
= CONTAINER_OF(ofpact
, struct ofpact_conntrack
, ofpact
);
4316 if (!support
->ct_state
) {
4317 report_unsupported_act("ct", "ct action");
4318 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4320 if ((ct
->zone_imm
|| ct
->zone_src
.field
) && !support
->ct_zone
) {
4321 report_unsupported_act("ct", "ct zones");
4322 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4324 /* So far the force commit feature is implemented together with the
4325 * original direction tuple feature by all datapaths, so we use the
4326 * support flag for the 'ct_orig_tuple' to indicate support for the
4327 * force commit feature as well. */
4328 if ((ct
->flags
& NX_CT_F_FORCE
) && !support
->ct_orig_tuple
) {
4329 report_unsupported_act("ct", "force commit");
4330 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4333 OFPACT_FOR_EACH(a
, ct
->actions
, ofpact_ct_get_action_len(ct
)) {
4334 const struct mf_field
*dst
= ofpact_get_mf_dst(a
);
4336 if (a
->type
== OFPACT_NAT
&& !support
->ct_state_nat
) {
4337 /* The backer doesn't seem to support the NAT bits in
4338 * 'ct_state': assume that it doesn't support the NAT
4340 report_unsupported_act("ct", "nat");
4341 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4343 if (dst
&& ((dst
->id
== MFF_CT_MARK
&& !support
->ct_mark
) ||
4344 (dst
->id
== MFF_CT_LABEL
&& !support
->ct_label
))) {
4345 report_unsupported_act("ct", "setting mark and/or label");
4346 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4349 } else if (ofpact
->type
== OFPACT_RESUBMIT
) {
4350 struct ofpact_resubmit
*resubmit
= ofpact_get_RESUBMIT(ofpact
);
4352 if (resubmit
->with_ct_orig
&& !support
->ct_orig_tuple
) {
4353 report_unsupported_act("resubmit",
4354 "ct original direction tuple");
4355 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4364 rule_check(struct rule
*rule
)
4366 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->ofproto
);
4369 err
= check_mask(ofproto
, &rule
->cr
.match
.mask
->masks
);
4373 return check_actions(ofproto
, rule
->actions
);
4377 rule_construct(struct rule
*rule_
)
4378 OVS_NO_THREAD_SAFETY_ANALYSIS
4380 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4383 error
= rule_check(rule_
);
4388 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
4389 rule
->stats
.n_packets
= 0;
4390 rule
->stats
.n_bytes
= 0;
4391 rule
->stats
.used
= rule
->up
.modified
;
4392 rule
->recirc_id
= 0;
4393 rule
->new_rule
= NULL
;
4394 rule
->forward_counts
= false;
4400 rule_insert(struct rule
*rule_
, struct rule
*old_rule_
, bool forward_counts
)
4401 OVS_REQUIRES(ofproto_mutex
)
4403 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4406 struct rule_dpif
*old_rule
= rule_dpif_cast(old_rule_
);
4408 ovs_assert(!old_rule
->new_rule
);
4410 /* Take a reference to the new rule, and refer all stats updates from
4411 * the old rule to the new rule. */
4412 ofproto_rule_ref(&rule
->up
);
4414 ovs_mutex_lock(&old_rule
->stats_mutex
);
4415 ovs_mutex_lock(&rule
->stats_mutex
);
4416 old_rule
->new_rule
= rule
; /* Forward future stats. */
4417 old_rule
->forward_counts
= forward_counts
;
4419 if (forward_counts
) {
4420 rule
->stats
= old_rule
->stats
; /* Transfer stats to the new
4423 /* Used timestamp must be forwarded whenever a rule is modified. */
4424 rule
->stats
.used
= old_rule
->stats
.used
;
4426 ovs_mutex_unlock(&rule
->stats_mutex
);
4427 ovs_mutex_unlock(&old_rule
->stats_mutex
);
4432 rule_destruct(struct rule
*rule_
)
4433 OVS_NO_THREAD_SAFETY_ANALYSIS
4435 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4437 ovs_mutex_destroy(&rule
->stats_mutex
);
4438 /* Release reference to the new rule, if any. */
4439 if (rule
->new_rule
) {
4440 ofproto_rule_unref(&rule
->new_rule
->up
);
4442 if (rule
->recirc_id
) {
4443 recirc_free_id(rule
->recirc_id
);
4448 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
4449 long long int *used
)
4451 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4453 ovs_mutex_lock(&rule
->stats_mutex
);
4454 if (OVS_UNLIKELY(rule
->new_rule
)) {
4455 rule_get_stats(&rule
->new_rule
->up
, packets
, bytes
, used
);
4457 *packets
= rule
->stats
.n_packets
;
4458 *bytes
= rule
->stats
.n_bytes
;
4459 *used
= rule
->stats
.used
;
4461 ovs_mutex_unlock(&rule
->stats_mutex
);
4464 struct ofproto_dpif_packet_out
{
4465 struct xlate_cache xcache
;
4466 struct ofpbuf odp_actions
;
4467 struct recirc_refs rr
;
4472 static struct ofproto_dpif_packet_out
*
4473 ofproto_dpif_packet_out_new(void)
4475 struct ofproto_dpif_packet_out
*aux
= xmalloc(sizeof *aux
);
4476 xlate_cache_init(&aux
->xcache
);
4477 ofpbuf_init(&aux
->odp_actions
, 64);
4478 aux
->rr
= RECIRC_REFS_EMPTY_INITIALIZER
;
4479 aux
->needs_help
= false;
4485 ofproto_dpif_packet_out_delete(struct ofproto_dpif_packet_out
*aux
)
4488 xlate_cache_uninit(&aux
->xcache
);
4489 ofpbuf_uninit(&aux
->odp_actions
);
4490 recirc_refs_unref(&aux
->rr
);
4496 packet_xlate(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4497 OVS_REQUIRES(ofproto_mutex
)
4499 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4500 struct xlate_out xout
;
4501 struct xlate_in xin
;
4502 enum ofperr error
= 0;
4504 struct ofproto_dpif_packet_out
*aux
= ofproto_dpif_packet_out_new();
4506 xlate_in_init(&xin
, ofproto
, opo
->version
, opo
->flow
,
4507 opo
->flow
->in_port
.ofp_port
, NULL
, 0, opo
->packet
, NULL
,
4509 xin
.ofpacts
= opo
->ofpacts
;
4510 xin
.ofpacts_len
= opo
->ofpacts_len
;
4511 /* No learning or stats, but collect side effects to xcache. */
4512 xin
.allow_side_effects
= false;
4513 xin
.resubmit_stats
= NULL
;
4514 xin
.xcache
= &aux
->xcache
;
4515 xin
.in_packet_out
= true;
4517 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
4518 error
= OFPERR_OFPFMFC_UNKNOWN
; /* Error processing actions. */
4521 /* Prepare learn actions. */
4522 struct xc_entry
*entry
;
4523 struct ofpbuf entries
= aux
->xcache
.entries
;
4525 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4526 if (entry
->type
== XC_LEARN
) {
4527 struct ofproto_flow_mod
*ofm
= entry
->learn
.ofm
;
4529 error
= ofproto_flow_mod_learn_refresh(ofm
);
4533 struct rule
*rule
= ofm
->temp_rule
;
4534 ofm
->learn_adds_rule
= (rule
->state
== RULE_INITIALIZED
);
4535 if (ofm
->learn_adds_rule
) {
4536 /* If learning on a different bridge, must use its next
4537 * version number. */
4538 ofm
->version
= (rule
->ofproto
== ofproto_
)
4539 ? opo
->version
: rule
->ofproto
->tables_version
+ 1;
4540 error
= ofproto_flow_mod_learn_start(ofm
);
4549 aux
->needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
4550 recirc_refs_swap(&aux
->rr
, &xout
.recircs
); /* Hold recirc refs. */
4552 xlate_out_uninit(&xout
);
4557 xlate_out_uninit(&xout
);
4558 ofproto_dpif_packet_out_delete(aux
);
4564 packet_xlate_revert(struct ofproto
*ofproto OVS_UNUSED
,
4565 struct ofproto_packet_out
*opo
)
4566 OVS_REQUIRES(ofproto_mutex
)
4568 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4571 /* Revert the learned flows. */
4572 struct xc_entry
*entry
;
4573 struct ofpbuf entries
= aux
->xcache
.entries
;
4575 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4576 if (entry
->type
== XC_LEARN
&& entry
->learn
.ofm
->learn_adds_rule
) {
4577 ofproto_flow_mod_learn_revert(entry
->learn
.ofm
);
4581 ofproto_dpif_packet_out_delete(aux
);
4585 /* Push stats and perform side effects of flow translation. */
4587 ofproto_dpif_xcache_execute(struct ofproto_dpif
*ofproto
,
4588 struct xlate_cache
*xcache
,
4589 struct dpif_flow_stats
*stats
)
4590 OVS_REQUIRES(ofproto_mutex
)
4592 struct xc_entry
*entry
;
4593 struct ofpbuf entries
= xcache
->entries
;
4595 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4596 switch (entry
->type
) {
4598 /* Finish the learned flows. */
4599 if (entry
->learn
.ofm
->learn_adds_rule
) {
4600 ofproto_flow_mod_learn_finish(entry
->learn
.ofm
, &ofproto
->up
);
4603 case XC_FIN_TIMEOUT
:
4604 if (stats
->tcp_flags
& (TCP_FIN
| TCP_RST
)) {
4605 /* 'ofproto_mutex' already held */
4606 ofproto_rule_reduce_timeouts__(&entry
->fin
.rule
->up
,
4611 /* All the rest can be dealt with by the xlate layer. */
4621 case XC_TUNNEL_HEADER
:
4622 xlate_push_stats_entry(entry
, stats
);
4631 packet_execute(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4632 OVS_REQUIRES(ofproto_mutex
)
4634 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4635 struct dpif_flow_stats stats
;
4636 struct dpif_execute execute
;
4638 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4641 /* Run the side effects from the xcache. */
4642 dpif_flow_stats_extract(opo
->flow
, opo
->packet
, time_msec(), &stats
);
4643 ofproto_dpif_xcache_execute(ofproto
, &aux
->xcache
, &stats
);
4645 execute
.actions
= aux
->odp_actions
.data
;
4646 execute
.actions_len
= aux
->odp_actions
.size
;
4648 pkt_metadata_from_flow(&opo
->packet
->md
, opo
->flow
);
4649 execute
.packet
= opo
->packet
;
4650 execute
.flow
= opo
->flow
;
4651 execute
.needs_help
= aux
->needs_help
;
4652 execute
.probe
= false;
4655 /* Fix up in_port. */
4656 ofproto_dpif_set_packet_odp_port(ofproto
, opo
->flow
->in_port
.ofp_port
,
4659 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4660 ofproto_dpif_packet_out_delete(aux
);
4664 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
4666 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
4669 static struct ofgroup
*
4672 struct group_dpif
*group
= xzalloc(sizeof *group
);
4677 group_dealloc(struct ofgroup
*group_
)
4679 struct group_dpif
*group
= group_dpif_cast(group_
);
4684 group_construct_stats(struct group_dpif
*group
)
4685 OVS_REQUIRES(group
->stats_mutex
)
4687 group
->packet_count
= 0;
4688 group
->byte_count
= 0;
4690 struct ofputil_bucket
*bucket
;
4691 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4692 bucket
->stats
.packet_count
= 0;
4693 bucket
->stats
.byte_count
= 0;
4698 group_dpif_credit_stats(struct group_dpif
*group
,
4699 struct ofputil_bucket
*bucket
,
4700 const struct dpif_flow_stats
*stats
)
4702 ovs_mutex_lock(&group
->stats_mutex
);
4703 group
->packet_count
+= stats
->n_packets
;
4704 group
->byte_count
+= stats
->n_bytes
;
4706 bucket
->stats
.packet_count
+= stats
->n_packets
;
4707 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4708 } else { /* Credit to all buckets */
4709 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4710 bucket
->stats
.packet_count
+= stats
->n_packets
;
4711 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4714 ovs_mutex_unlock(&group
->stats_mutex
);
4718 group_construct(struct ofgroup
*group_
)
4720 struct group_dpif
*group
= group_dpif_cast(group_
);
4722 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4723 ovs_mutex_lock(&group
->stats_mutex
);
4724 group_construct_stats(group
);
4725 ovs_mutex_unlock(&group
->stats_mutex
);
4730 group_destruct(struct ofgroup
*group_
)
4732 struct group_dpif
*group
= group_dpif_cast(group_
);
4733 ovs_mutex_destroy(&group
->stats_mutex
);
4737 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4739 struct group_dpif
*group
= group_dpif_cast(group_
);
4741 ovs_mutex_lock(&group
->stats_mutex
);
4742 ogs
->packet_count
= group
->packet_count
;
4743 ogs
->byte_count
= group
->byte_count
;
4745 struct bucket_counter
*bucket_stats
= ogs
->bucket_stats
;
4746 struct ofputil_bucket
*bucket
;
4747 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4748 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4749 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4752 ovs_mutex_unlock(&group
->stats_mutex
);
4757 /* If the group exists, this function increments the groups's reference count.
4759 * Make sure to call ofproto_group_unref() after no longer needing to maintain
4760 * a reference to the group. */
4762 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4763 ovs_version_t version
, bool take_ref
)
4765 struct ofgroup
*ofgroup
= ofproto_group_lookup(&ofproto
->up
, group_id
,
4767 return ofgroup
? group_dpif_cast(ofgroup
) : NULL
;
4770 /* Sends 'packet' out 'ofport'. If 'port' is a tunnel and that tunnel type
4771 * supports a notion of an OAM flag, sets it if 'oam' is true.
4772 * May modify 'packet'.
4773 * Returns 0 if successful, otherwise a positive errno value. */
4775 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, bool oam
,
4776 struct dp_packet
*packet
)
4778 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4781 error
= xlate_send_packet(ofport
, oam
, packet
);
4783 ovs_mutex_lock(&ofproto
->stats_mutex
);
4784 ofproto
->stats
.tx_packets
++;
4785 ofproto
->stats
.tx_bytes
+= dp_packet_size(packet
);
4786 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4790 /* Return the version string of the datapath that backs up
4794 get_datapath_version(const struct ofproto
*ofproto_
)
4796 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4798 return ofproto
->backer
->dp_version_string
;
4802 type_set_config(const char *type
, const struct smap
*other_config
)
4804 struct dpif_backer
*backer
;
4806 backer
= shash_find_data(&all_dpif_backers
, type
);
4808 /* This is not necessarily a problem, since backers are only
4809 * created on demand. */
4813 dpif_set_config(backer
->dpif
, other_config
);
4817 ct_flush(const struct ofproto
*ofproto_
, const uint16_t *zone
)
4819 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4821 ct_dpif_flush(ofproto
->backer
->dpif
, zone
, NULL
);
4825 set_frag_handling(struct ofproto
*ofproto_
,
4826 enum ofputil_frag_handling frag_handling
)
4828 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4829 if (frag_handling
!= OFPUTIL_FRAG_REASM
) {
4830 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4838 nxt_resume(struct ofproto
*ofproto_
,
4839 const struct ofputil_packet_in_private
*pin
)
4841 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4843 /* Translate pin into datapath actions. */
4844 uint64_t odp_actions_stub
[1024 / 8];
4845 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
4846 enum slow_path_reason slow
;
4847 enum ofperr error
= xlate_resume(ofproto
, pin
, &odp_actions
, &slow
);
4849 /* Steal 'pin->packet' and put it into a dp_packet. */
4850 struct dp_packet packet
;
4851 dp_packet_init(&packet
, pin
->base
.packet_len
);
4852 dp_packet_put(&packet
, pin
->base
.packet
, pin
->base
.packet_len
);
4854 pkt_metadata_from_flow(&packet
.md
, &pin
->base
.flow_metadata
.flow
);
4856 /* Fix up in_port. */
4857 ofproto_dpif_set_packet_odp_port(ofproto
,
4858 pin
->base
.flow_metadata
.flow
.in_port
.ofp_port
,
4861 struct flow headers
;
4862 flow_extract(&packet
, &headers
);
4864 /* Execute the datapath actions on the packet. */
4865 struct dpif_execute execute
= {
4866 .actions
= odp_actions
.data
,
4867 .actions_len
= odp_actions
.size
,
4868 .needs_help
= (slow
& SLOW_ACTION
) != 0,
4872 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4875 ofpbuf_uninit(&odp_actions
);
4876 dp_packet_uninit(&packet
);
4884 set_netflow(struct ofproto
*ofproto_
,
4885 const struct netflow_options
*netflow_options
)
4887 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4889 if (netflow_options
) {
4890 if (!ofproto
->netflow
) {
4891 ofproto
->netflow
= netflow_create();
4892 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4894 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4895 } else if (ofproto
->netflow
) {
4896 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4897 netflow_unref(ofproto
->netflow
);
4898 ofproto
->netflow
= NULL
;
4905 get_netflow_ids(const struct ofproto
*ofproto_
,
4906 uint8_t *engine_type
, uint8_t *engine_id
)
4908 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4910 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4913 struct ofproto_dpif
*
4914 ofproto_dpif_lookup_by_name(const char *name
)
4916 struct ofproto_dpif
*ofproto
;
4918 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_by_name_node
,
4919 hash_string(name
, 0),
4920 &all_ofproto_dpifs_by_name
) {
4921 if (!strcmp(ofproto
->up
.name
, name
)) {
4928 struct ofproto_dpif
*
4929 ofproto_dpif_lookup_by_uuid(const struct uuid
*uuid
)
4931 struct ofproto_dpif
*ofproto
;
4933 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_by_uuid_node
,
4934 uuid_hash(uuid
), &all_ofproto_dpifs_by_uuid
) {
4935 if (uuid_equals(&ofproto
->uuid
, uuid
)) {
4943 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4944 const char *argv
[], void *aux OVS_UNUSED
)
4946 struct ofproto_dpif
*ofproto
;
4949 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
4951 unixctl_command_reply_error(conn
, "no such bridge");
4954 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4955 mac_learning_flush(ofproto
->ml
);
4956 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4958 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
4959 &all_ofproto_dpifs_by_name
) {
4960 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4961 mac_learning_flush(ofproto
->ml
);
4962 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4966 unixctl_command_reply(conn
, "table successfully flushed");
4970 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4971 const char *argv
[], void *aux OVS_UNUSED
)
4973 struct ofproto_dpif
*ofproto
;
4976 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
4978 unixctl_command_reply_error(conn
, "no such bridge");
4982 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4983 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4986 mcast_snooping_mdb_flush(ofproto
->ms
);
4988 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
4989 &all_ofproto_dpifs_by_name
) {
4990 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4993 mcast_snooping_mdb_flush(ofproto
->ms
);
4997 unixctl_command_reply(conn
, "table successfully flushed");
5000 static struct ofport_dpif
*
5001 ofbundle_get_a_port(const struct ofbundle
*bundle
)
5003 return CONTAINER_OF(ovs_list_front(&bundle
->ports
), struct ofport_dpif
,
5008 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5009 const char *argv
[], void *aux OVS_UNUSED
)
5011 struct ds ds
= DS_EMPTY_INITIALIZER
;
5012 const struct ofproto_dpif
*ofproto
;
5013 const struct mac_entry
*e
;
5015 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
5017 unixctl_command_reply_error(conn
, "no such bridge");
5021 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
5022 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
5023 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
5024 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
5025 char name
[OFP10_MAX_PORT_NAME_LEN
];
5027 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5028 NULL
, name
, sizeof name
);
5029 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
5030 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
5031 mac_entry_age(ofproto
->ml
, e
));
5033 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
5034 unixctl_command_reply(conn
, ds_cstr(&ds
));
5039 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
5040 int argc OVS_UNUSED
,
5042 void *aux OVS_UNUSED
)
5044 struct ds ds
= DS_EMPTY_INITIALIZER
;
5045 const struct ofproto_dpif
*ofproto
;
5046 const struct ofbundle
*bundle
;
5047 const struct mcast_group
*grp
;
5048 struct mcast_group_bundle
*b
;
5049 struct mcast_mrouter_bundle
*mrouter
;
5051 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
5053 unixctl_command_reply_error(conn
, "no such bridge");
5057 if (!mcast_snooping_enabled(ofproto
->ms
)) {
5058 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
5062 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
5063 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
5064 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
5065 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
5066 char name
[OFP10_MAX_PORT_NAME_LEN
];
5069 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5070 NULL
, name
, sizeof name
);
5071 ds_put_format(&ds
, "%5s %4d ", name
, grp
->vlan
);
5072 ipv6_format_mapped(&grp
->addr
, &ds
);
5073 ds_put_format(&ds
, " %3d\n",
5074 mcast_bundle_age(ofproto
->ms
, b
));
5078 /* ports connected to multicast routers */
5079 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
5080 char name
[OFP10_MAX_PORT_NAME_LEN
];
5082 bundle
= mrouter
->port
;
5083 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5084 NULL
, name
, sizeof name
);
5085 ds_put_format(&ds
, "%5s %4d querier %3d\n",
5086 name
, mrouter
->vlan
,
5087 mcast_mrouter_age(ofproto
->ms
, mrouter
));
5089 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
5090 unixctl_command_reply(conn
, ds_cstr(&ds
));
5094 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5095 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5096 * to destroy 'ofproto_shash' and free the returned value. */
5097 static const struct shash_node
**
5098 get_ofprotos(struct shash
*ofproto_shash
)
5100 const struct ofproto_dpif
*ofproto
;
5102 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
5103 &all_ofproto_dpifs_by_name
) {
5104 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
5105 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
5108 return shash_sort(ofproto_shash
);
5112 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5113 const char *argv
[] OVS_UNUSED
,
5114 void *aux OVS_UNUSED
)
5116 struct ds ds
= DS_EMPTY_INITIALIZER
;
5117 struct shash ofproto_shash
;
5118 const struct shash_node
**sorted_ofprotos
;
5121 shash_init(&ofproto_shash
);
5122 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
5123 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5124 const struct shash_node
*node
= sorted_ofprotos
[i
];
5125 ds_put_format(&ds
, "%s\n", node
->name
);
5128 shash_destroy(&ofproto_shash
);
5129 free(sorted_ofprotos
);
5131 unixctl_command_reply(conn
, ds_cstr(&ds
));
5136 show_dp_feature_bool(struct ds
*ds
, const char *feature
, bool b
)
5138 ds_put_format(ds
, "%s: %s\n", feature
, b
? "Yes" : "No");
5142 show_dp_feature_size_t(struct ds
*ds
, const char *feature
, size_t s
)
5144 ds_put_format(ds
, "%s: %"PRIuSIZE
"\n", feature
, s
);
5147 enum dpif_support_field_type
{
5148 DPIF_SUPPORT_FIELD_bool
,
5149 DPIF_SUPPORT_FIELD_size_t
,
5152 struct dpif_support_field
{
5153 void *rt_ptr
; /* Points to the 'rt_support' field. */
5154 const void *bt_ptr
; /* Points to the 'bt_support' field. */
5156 enum dpif_support_field_type type
;
5159 #define DPIF_SUPPORT_FIELD_INTIALIZER(RT_PTR, BT_PTR, TITLE, TYPE) \
5160 (struct dpif_support_field) {RT_PTR, BT_PTR, TITLE, TYPE}
5163 dpif_show_support(const struct dpif_backer_support
*support
, struct ds
*ds
)
5165 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5166 show_dp_feature_##TYPE (ds, TITLE, support->NAME);
5168 #undef DPIF_SUPPORT_FIELD
5170 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5171 show_dp_feature_##TYPE (ds, TITLE, support->odp.NAME );
5173 #undef ODP_SUPPORT_FIELD
5177 display_support_field(const char *name
,
5178 const struct dpif_support_field
*field
,
5181 switch (field
->type
) {
5182 case DPIF_SUPPORT_FIELD_bool
: {
5183 bool v
= *(bool *)field
->rt_ptr
;
5184 bool b
= *(bool *)field
->bt_ptr
;
5185 ds_put_format(ds
, "%s (%s) : [run time]:%s, [boot time]:%s\n", name
,
5186 field
->title
, v
? "true" : "false",
5187 b
? "true" : "false");
5190 case DPIF_SUPPORT_FIELD_size_t
:
5191 ds_put_format(ds
, "%s (%s) : [run time]:%"PRIuSIZE
5192 ", [boot time]:%"PRIuSIZE
"\n", name
,
5193 field
->title
, *(size_t *)field
->rt_ptr
,
5194 *(size_t *)field
->bt_ptr
);
5201 /* Set a field of 'rt_support' to a new value.
5203 * Returns 'true' if the value is actually set. */
5205 dpif_set_support(struct dpif_backer_support
*rt_support
,
5206 struct dpif_backer_support
*bt_support
,
5207 const char *name
, const char *value
, struct ds
*ds
)
5209 struct shash all_fields
= SHASH_INITIALIZER(&all_fields
);
5210 struct dpif_support_field
*field
;
5211 struct shash_node
*node
;
5212 bool changed
= false;
5214 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5216 struct dpif_support_field *f = xmalloc(sizeof *f); \
5217 *f = DPIF_SUPPORT_FIELD_INTIALIZER(&rt_support->NAME, \
5218 &bt_support->NAME, \
5220 DPIF_SUPPORT_FIELD_##TYPE);\
5221 shash_add_once(&all_fields, #NAME, f); \
5223 DPIF_SUPPORT_FIELDS
;
5224 #undef DPIF_SUPPORT_FIELD
5226 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5228 struct dpif_support_field *f = xmalloc(sizeof *f); \
5229 *f = DPIF_SUPPORT_FIELD_INTIALIZER(&rt_support->odp.NAME, \
5230 &bt_support->odp.NAME, \
5232 DPIF_SUPPORT_FIELD_##TYPE);\
5233 shash_add_once(&all_fields, #NAME, f); \
5236 #undef ODP_SUPPORT_FIELD
5239 struct shash_node
*node
;
5241 SHASH_FOR_EACH (node
, &all_fields
) {
5242 display_support_field(node
->name
, node
->data
, ds
);
5247 node
= shash_find(&all_fields
, name
);
5249 ds_put_cstr(ds
, "Unexpected support field");
5255 display_support_field(node
->name
, field
, ds
);
5259 if (field
->type
== DPIF_SUPPORT_FIELD_bool
) {
5260 if (!strcasecmp(value
, "true")) {
5261 if (*(bool *)field
->bt_ptr
) {
5262 *(bool *)field
->rt_ptr
= true;
5265 ds_put_cstr(ds
, "Can not enable features not supported by the datapth");
5267 } else if (!strcasecmp(value
, "false")) {
5268 *(bool *)field
->rt_ptr
= false;
5271 ds_put_cstr(ds
, "Boolean value expected");
5273 } else if (field
->type
== DPIF_SUPPORT_FIELD_size_t
) {
5275 if (str_to_int(value
, 10, &v
)) {
5277 if (v
<= *(size_t *)field
->bt_ptr
) {
5278 *(size_t *)field
->rt_ptr
= v
;
5281 ds_put_cstr(ds
, "Can not set value beyond the datapath capability");
5284 ds_put_format(ds
, "Negative number not expected");
5287 ds_put_cstr(ds
, "Integer number expected");
5292 shash_destroy_free_data(&all_fields
);
5297 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
5299 const struct shash_node
**ofprotos
;
5300 struct dpif_dp_stats dp_stats
;
5301 struct shash ofproto_shash
;
5304 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
5305 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
5306 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
5308 shash_init(&ofproto_shash
);
5309 ofprotos
= get_ofprotos(&ofproto_shash
);
5310 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5311 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
5312 const struct shash_node
**ports
;
5315 if (ofproto
->backer
!= backer
) {
5319 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
5321 ports
= shash_sort(&ofproto
->up
.port_by_name
);
5322 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
5323 const struct shash_node
*node
= ports
[j
];
5324 struct ofport
*ofport
= node
->data
;
5326 odp_port_t odp_port
;
5328 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
5331 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
5332 if (odp_port
!= ODPP_NONE
) {
5333 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
5335 ds_put_cstr(ds
, "none:");
5338 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
5341 if (!netdev_get_config(ofport
->netdev
, &config
)) {
5342 const struct smap_node
**nodes
= smap_sort(&config
);
5343 for (size_t k
= 0; k
< smap_count(&config
); k
++) {
5344 ds_put_format(ds
, "%c %s=%s", k
? ',' : ':',
5345 nodes
[k
]->key
, nodes
[k
]->value
);
5349 smap_destroy(&config
);
5351 ds_put_char(ds
, ')');
5352 ds_put_char(ds
, '\n');
5356 shash_destroy(&ofproto_shash
);
5361 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5362 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
5364 struct ds ds
= DS_EMPTY_INITIALIZER
;
5365 const struct shash_node
**backers
;
5368 backers
= shash_sort(&all_dpif_backers
);
5369 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5370 dpif_show_backer(backers
[i
]->data
, &ds
);
5374 unixctl_command_reply(conn
, ds_cstr(&ds
));
5379 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
5380 int argc OVS_UNUSED
, const char *argv
[],
5381 void *aux OVS_UNUSED
)
5383 const struct ofproto_dpif
*ofproto
;
5385 struct ds ds
= DS_EMPTY_INITIALIZER
;
5387 struct dpif_flow_dump
*flow_dump
;
5388 struct dpif_flow_dump_thread
*flow_dump_thread
;
5392 ofproto
= ofproto_dpif_lookup_by_name(argv
[argc
- 1]);
5394 unixctl_command_reply_error(conn
, "no such bridge");
5398 bool verbosity
= false;
5400 bool set_names
= false;
5401 for (int i
= 1; i
< argc
- 1; i
++) {
5402 if (!strcmp(argv
[i
], "-m")) {
5404 } else if (!strcmp(argv
[i
], "--names")) {
5407 } else if (!strcmp(argv
[i
], "--no-names")) {
5416 struct hmap
*portno_names
= NULL
;
5418 portno_names
= xmalloc(sizeof *portno_names
);
5419 hmap_init(portno_names
);
5421 struct dpif_port dpif_port
;
5422 struct dpif_port_dump port_dump
;
5423 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5424 odp_portno_names_set(portno_names
, dpif_port
.port_no
,
5430 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false, NULL
);
5431 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5432 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5435 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5436 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5441 odp_format_ufid(&f
.ufid
, &ds
);
5442 ds_put_cstr(&ds
, " ");
5444 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5445 portno_names
, &ds
, verbosity
);
5446 ds_put_cstr(&ds
, ", ");
5447 dpif_flow_stats_format(&f
.stats
, &ds
);
5448 ds_put_cstr(&ds
, ", actions:");
5449 format_odp_actions(&ds
, f
.actions
, f
.actions_len
, portno_names
);
5450 ds_put_char(&ds
, '\n');
5452 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5453 error
= dpif_flow_dump_destroy(flow_dump
);
5457 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5458 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5460 unixctl_command_reply(conn
, ds_cstr(&ds
));
5463 odp_portno_names_destroy(portno_names
);
5464 hmap_destroy(portno_names
);
5471 ofproto_unixctl_dpif_show_dp_features(struct unixctl_conn
*conn
,
5472 int argc
, const char *argv
[],
5473 void *aux OVS_UNUSED
)
5475 struct ds ds
= DS_EMPTY_INITIALIZER
;
5476 const char *br
= argv
[argc
-1];
5477 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup_by_name(br
);
5480 unixctl_command_reply_error(conn
, "no such bridge");
5484 dpif_show_support(&ofproto
->backer
->bt_support
, &ds
);
5485 unixctl_command_reply(conn
, ds_cstr(&ds
));
5489 ofproto_unixctl_dpif_set_dp_features(struct unixctl_conn
*conn
,
5490 int argc
, const char *argv
[],
5491 void *aux OVS_UNUSED
)
5493 struct ds ds
= DS_EMPTY_INITIALIZER
;
5494 const char *br
= argv
[1];
5495 const char *name
, *value
;
5496 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup_by_name(br
);
5500 unixctl_command_reply_error(conn
, "no such bridge");
5504 name
= argc
> 2 ? argv
[2] : NULL
;
5505 value
= argc
> 3 ? argv
[3] : NULL
;
5506 changed
= dpif_set_support(&ofproto
->backer
->rt_support
,
5507 &ofproto
->backer
->bt_support
,
5510 xlate_set_support(ofproto
, &ofproto
->backer
->rt_support
);
5511 udpif_flush(ofproto
->backer
->udpif
);
5513 unixctl_command_reply(conn
, ds_cstr(&ds
));
5518 ofproto_unixctl_init(void)
5520 static bool registered
;
5526 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5527 ofproto_unixctl_fdb_flush
, NULL
);
5528 unixctl_command_register("fdb/show", "bridge", 1, 1,
5529 ofproto_unixctl_fdb_show
, NULL
);
5530 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5531 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5532 unixctl_command_register("mdb/show", "bridge", 1, 1,
5533 ofproto_unixctl_mcast_snooping_show
, NULL
);
5534 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5535 ofproto_unixctl_dpif_dump_dps
, NULL
);
5536 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5538 unixctl_command_register("dpif/show-dp-features", "bridge", 1, 1,
5539 ofproto_unixctl_dpif_show_dp_features
, NULL
);
5540 unixctl_command_register("dpif/dump-flows", "[-m] [--names | --no-nmaes] bridge", 1, INT_MAX
,
5541 ofproto_unixctl_dpif_dump_flows
, NULL
);
5542 unixctl_command_register("dpif/set-dp-features", "bridge", 1, 3 ,
5543 ofproto_unixctl_dpif_set_dp_features
, NULL
);
5547 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5549 const struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
5550 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5553 struct ofport_dpif
*
5554 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5556 struct ofport_dpif
*port
;
5558 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5559 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5560 &backer
->odp_to_ofport_map
) {
5561 if (port
->odp_port
== odp_port
) {
5562 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5567 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5572 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5574 struct ofport_dpif
*port
;
5576 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5577 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5578 return port
->up
.ofp_port
;
5585 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5586 const struct match
*match
, int priority
,
5587 uint16_t idle_timeout
,
5588 const struct ofpbuf
*ofpacts
,
5589 struct rule
**rulep
)
5591 struct ofputil_flow_mod fm
;
5592 struct rule_dpif
*rule
;
5595 fm
= (struct ofputil_flow_mod
) {
5596 .buffer_id
= UINT32_MAX
,
5598 .priority
= priority
,
5599 .table_id
= TBL_INTERNAL
,
5600 .command
= OFPFC_ADD
,
5601 .idle_timeout
= idle_timeout
,
5602 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5603 .ofpacts
= ofpacts
->data
,
5604 .ofpacts_len
= ofpacts
->size
,
5607 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5609 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5610 ofperr_to_string(error
));
5615 rule
= rule_dpif_lookup_in_table(ofproto
,
5616 ofproto_dpif_get_tables_version(ofproto
),
5617 TBL_INTERNAL
, &fm
.match
.flow
,
5628 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5629 struct match
*match
, int priority
)
5631 struct ofputil_flow_mod fm
;
5634 fm
= (struct ofputil_flow_mod
) {
5635 .buffer_id
= UINT32_MAX
,
5637 .priority
= priority
,
5638 .table_id
= TBL_INTERNAL
,
5639 .out_port
= OFPP_ANY
,
5640 .out_group
= OFPG_ANY
,
5641 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5642 .command
= OFPFC_DELETE_STRICT
,
5645 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5647 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5648 ofperr_to_string(error
));
5656 meter_get_features(const struct ofproto
*ofproto_
,
5657 struct ofputil_meter_features
*features
)
5659 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5661 dpif_meter_get_features(ofproto
->backer
->dpif
, features
);
5665 meter_set(struct ofproto
*ofproto_
, ofproto_meter_id
*meter_id
,
5666 struct ofputil_meter_config
*config
)
5668 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5670 /* Provider ID unknown. Use backer to allocate a new DP meter */
5671 if (meter_id
->uint32
== UINT32_MAX
) {
5672 if (!ofproto
->backer
->meter_ids
) {
5673 return EFBIG
; /* Datapath does not support meter. */
5676 if(!id_pool_alloc_id(ofproto
->backer
->meter_ids
, &meter_id
->uint32
)) {
5677 return ENOMEM
; /* Can't allocate a DP meter. */
5681 switch (dpif_meter_set(ofproto
->backer
->dpif
, meter_id
, config
)) {
5684 case EFBIG
: /* meter_id out of range */
5685 case ENOMEM
: /* Cannot allocate meter */
5686 return OFPERR_OFPMMFC_OUT_OF_METERS
;
5687 case EBADF
: /* Unsupported flags */
5688 return OFPERR_OFPMMFC_BAD_FLAGS
;
5689 case EINVAL
: /* Too many bands */
5690 return OFPERR_OFPMMFC_OUT_OF_BANDS
;
5691 case ENODEV
: /* Unsupported band type */
5692 return OFPERR_OFPMMFC_BAD_BAND
;
5693 case EDOM
: /* Rate must be non-zero */
5694 return OFPERR_OFPMMFC_BAD_RATE
;
5696 return OFPERR_OFPMMFC_UNKNOWN
;
5701 meter_get(const struct ofproto
*ofproto_
, ofproto_meter_id meter_id
,
5702 struct ofputil_meter_stats
*stats
, uint16_t n_bands
)
5704 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5706 if (!dpif_meter_get(ofproto
->backer
->dpif
, meter_id
, stats
, n_bands
)) {
5709 return OFPERR_OFPMMFC_UNKNOWN_METER
;
5712 struct free_meter_id_args
{
5713 struct ofproto_dpif
*ofproto
;
5714 ofproto_meter_id meter_id
;
5718 free_meter_id(struct free_meter_id_args
*args
)
5720 struct ofproto_dpif
*ofproto
= args
->ofproto
;
5722 dpif_meter_del(ofproto
->backer
->dpif
, args
->meter_id
, NULL
, 0);
5723 id_pool_free_id(ofproto
->backer
->meter_ids
, args
->meter_id
.uint32
);
5728 meter_del(struct ofproto
*ofproto_
, ofproto_meter_id meter_id
)
5730 struct free_meter_id_args
*arg
= xmalloc(sizeof *arg
);
5732 /* Before a meter can be deleted, Openflow spec requires all rules
5733 * referring to the meter to be (automatically) removed before the
5734 * meter is deleted. However, since vswitchd is multi-threaded,
5735 * those rules and their actions remain accessible by other threads,
5736 * especially by the handler and revalidator threads.
5737 * Postpone meter deletion after RCU grace period, so that ongoing
5738 * upcall translation or flow revalidation can complete. */
5739 arg
->ofproto
= ofproto_dpif_cast(ofproto_
);
5740 arg
->meter_id
= meter_id
;
5741 ovsrcu_postpone(free_meter_id
, arg
);
5744 const struct ofproto_class ofproto_dpif_class
= {
5758 NULL
, /* get_memory_usage. */
5759 type_get_memory_usage
,
5779 port_is_lacp_current
,
5780 port_get_lacp_stats
,
5781 NULL
, /* rule_choose_table */
5785 NULL
, /* rule_delete */
5790 packet_xlate_revert
,
5808 aa_vlan_get_queue_size
,
5815 get_stp_port_status
,
5820 get_rstp_port_status
,
5827 is_mirror_output_bundle
,
5828 forward_bpdu_changed
,
5829 set_mac_table_config
,
5831 set_mcast_snooping_port
,
5836 group_alloc
, /* group_alloc */
5837 group_construct
, /* group_construct */
5838 group_destruct
, /* group_destruct */
5839 group_dealloc
, /* group_dealloc */
5840 NULL
, /* group_modify */
5841 group_get_stats
, /* group_get_stats */
5842 get_datapath_version
, /* get_datapath_version */
5844 ct_flush
, /* ct_flush */