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 struct simap_node
*node
;
666 ovs_assert(backer
->refcount
> 0);
668 if (--backer
->refcount
) {
672 udpif_destroy(backer
->udpif
);
674 SIMAP_FOR_EACH (node
, &backer
->tnl_backers
) {
675 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
), false);
677 simap_destroy(&backer
->tnl_backers
);
678 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
679 hmap_destroy(&backer
->odp_to_ofport_map
);
680 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
682 free(backer
->dp_version_string
);
684 dpif_delete(backer
->dpif
);
686 dpif_close(backer
->dpif
);
687 id_pool_destroy(backer
->meter_ids
);
691 /* Datapath port slated for removal from datapath. */
693 struct ovs_list list_node
;
697 static void check_support(struct dpif_backer
*backer
);
700 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
702 struct dpif_backer
*backer
;
703 struct dpif_port_dump port_dump
;
704 struct dpif_port port
;
705 struct shash_node
*node
;
706 struct ovs_list garbage_list
;
707 struct odp_garbage
*garbage
;
714 backer
= shash_find_data(&all_dpif_backers
, type
);
721 backer_name
= xasprintf("ovs-%s", type
);
723 /* Remove any existing datapaths, since we assume we're the only
724 * userspace controlling the datapath. */
726 dp_enumerate_names(type
, &names
);
727 SSET_FOR_EACH(name
, &names
) {
728 struct dpif
*old_dpif
;
730 /* Don't remove our backer if it exists. */
731 if (!strcmp(name
, backer_name
)) {
735 if (dpif_open(name
, type
, &old_dpif
)) {
736 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
738 dpif_delete(old_dpif
);
739 dpif_close(old_dpif
);
742 sset_destroy(&names
);
744 backer
= xmalloc(sizeof *backer
);
746 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
749 VLOG_ERR("failed to open datapath of type %s: %s", type
,
750 ovs_strerror(error
));
754 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
756 backer
->type
= xstrdup(type
);
757 backer
->refcount
= 1;
758 hmap_init(&backer
->odp_to_ofport_map
);
759 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
760 backer
->need_revalidate
= 0;
761 simap_init(&backer
->tnl_backers
);
762 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
765 if (backer
->recv_set_enable
) {
766 dpif_flow_flush(backer
->dpif
);
769 /* Loop through the ports already on the datapath and remove any
770 * that we don't need anymore. */
771 ovs_list_init(&garbage_list
);
772 dpif_port_dump_start(&port_dump
, backer
->dpif
);
773 while (dpif_port_dump_next(&port_dump
, &port
)) {
774 node
= shash_find(&init_ofp_ports
, port
.name
);
775 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
776 garbage
= xmalloc(sizeof *garbage
);
777 garbage
->odp_port
= port
.port_no
;
778 ovs_list_push_front(&garbage_list
, &garbage
->list_node
);
781 dpif_port_dump_done(&port_dump
);
783 LIST_FOR_EACH_POP (garbage
, list_node
, &garbage_list
) {
784 dpif_port_del(backer
->dpif
, garbage
->odp_port
, false);
788 shash_add(&all_dpif_backers
, type
, backer
);
790 check_support(backer
);
791 atomic_count_init(&backer
->tnl_count
, 0);
793 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
795 VLOG_ERR("failed to listen on datapath of type %s: %s",
796 type
, ovs_strerror(error
));
797 close_dpif_backer(backer
, false);
801 if (backer
->recv_set_enable
) {
802 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
805 backer
->dp_version_string
= dpif_get_dp_version(backer
->dpif
);
807 /* Manage Datapath meter IDs if supported. */
808 struct ofputil_meter_features features
;
809 dpif_meter_get_features(backer
->dpif
, &features
);
810 if (features
.max_meters
) {
811 backer
->meter_ids
= id_pool_create(0, features
.max_meters
);
813 backer
->meter_ids
= NULL
;
816 /* Make a pristine snapshot of 'support' into 'boottime_support'.
817 * 'boottime_support' can be checked to prevent 'support' to be changed
818 * beyond the datapath capabilities. In case 'support' is changed by
819 * the user, 'boottime_support' can be used to restore it. */
820 backer
->bt_support
= backer
->rt_support
;
826 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
828 return ofproto_use_tnl_push_pop
829 && ofproto
->backer
->rt_support
.tnl_push_pop
830 && atomic_count_get(&ofproto
->backer
->tnl_count
);
833 /* Tests whether 'backer''s datapath supports recirculation. Only newer
834 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
835 * features on older datapaths that don't support this feature.
837 * Returns false if 'backer' definitely does not support recirculation, true if
838 * it seems to support recirculation or if at least the error we get is
841 check_recirc(struct dpif_backer
*backer
)
844 struct odputil_keybuf keybuf
;
847 struct odp_flow_key_parms odp_parms
= {
854 memset(&flow
, 0, sizeof flow
);
858 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
859 odp_flow_key_from_flow(&odp_parms
, &key
);
860 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
864 VLOG_INFO("%s: Datapath supports recirculation",
865 dpif_name(backer
->dpif
));
867 VLOG_INFO("%s: Datapath does not support recirculation",
868 dpif_name(backer
->dpif
));
871 return enable_recirc
;
874 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
875 * some flow attributes for datapaths that support this feature.
877 * Returns true if 'dpif' supports UFID for flow operations.
878 * Returns false if 'dpif' does not support UFID. */
880 check_ufid(struct dpif_backer
*backer
)
883 struct odputil_keybuf keybuf
;
887 struct odp_flow_key_parms odp_parms
= {
891 memset(&flow
, 0, sizeof flow
);
892 flow
.dl_type
= htons(0x1234);
894 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
895 odp_flow_key_from_flow(&odp_parms
, &key
);
896 dpif_flow_hash(backer
->dpif
, key
.data
, key
.size
, &ufid
);
898 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, NULL
, &ufid
);
901 VLOG_INFO("%s: Datapath supports unique flow ids",
902 dpif_name(backer
->dpif
));
904 VLOG_INFO("%s: Datapath does not support unique flow ids",
905 dpif_name(backer
->dpif
));
910 /* Tests number of 802.1q VLAN headers supported by 'backer''s datapath.
912 * Returns the number of elements in a struct flow's vlan
913 * if the datapath supports at least that many VLAN headers. */
915 check_max_vlan_headers(struct dpif_backer
*backer
)
918 struct odp_flow_key_parms odp_parms
= {
924 memset(&flow
, 0, sizeof flow
);
925 flow
.dl_type
= htons(ETH_TYPE_IP
);
926 for (n
= 0; n
< FLOW_MAX_VLAN_HEADERS
; n
++) {
927 struct odputil_keybuf keybuf
;
930 flow_push_vlan_uninit(&flow
, NULL
);
931 flow
.vlans
[0].tpid
= htons(ETH_TYPE_VLAN
);
932 flow
.vlans
[0].tci
= htons(1) | htons(VLAN_CFI
);
934 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
935 odp_flow_key_from_flow(&odp_parms
, &key
);
936 if (!dpif_probe_feature(backer
->dpif
, "VLAN", &key
, NULL
, NULL
)) {
941 VLOG_INFO("%s: VLAN header stack length probed as %d",
942 dpif_name(backer
->dpif
), n
);
945 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
947 * Returns the number of elements in a struct flow's mpls_lse field
948 * if the datapath supports at least that many entries in an
950 * Otherwise returns the number of MPLS push actions supported by
953 check_max_mpls_depth(struct dpif_backer
*backer
)
958 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
959 struct odputil_keybuf keybuf
;
961 struct odp_flow_key_parms odp_parms
= {
965 memset(&flow
, 0, sizeof flow
);
966 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
967 flow_set_mpls_bos(&flow
, n
, 1);
969 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
970 odp_flow_key_from_flow(&odp_parms
, &key
);
971 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
, NULL
)) {
976 VLOG_INFO("%s: MPLS label stack length probed as %d",
977 dpif_name(backer
->dpif
), n
);
982 add_sample_actions(struct ofpbuf
*actions
, int nesting
)
985 nl_msg_put_odp_port(actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
989 size_t start
, actions_start
;
991 start
= nl_msg_start_nested(actions
, OVS_ACTION_ATTR_SAMPLE
);
992 actions_start
= nl_msg_start_nested(actions
, OVS_SAMPLE_ATTR_ACTIONS
);
993 add_sample_actions(actions
, nesting
- 1);
994 nl_msg_end_nested(actions
, actions_start
);
995 nl_msg_put_u32(actions
, OVS_SAMPLE_ATTR_PROBABILITY
, UINT32_MAX
);
996 nl_msg_end_nested(actions
, start
);
999 /* Tests the nested sample actions levels supported by 'backer''s datapath.
1001 * Returns the number of nested sample actions accepted by the datapath. */
1003 check_max_sample_nesting(struct dpif_backer
*backer
)
1005 struct odputil_keybuf keybuf
;
1010 struct odp_flow_key_parms odp_parms
= {
1014 memset(&flow
, 0, sizeof flow
);
1015 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1016 odp_flow_key_from_flow(&odp_parms
, &key
);
1018 /* OVS datapath has always supported at least 3 nested levels. */
1019 for (n
= 3; n
< FLOW_MAX_SAMPLE_NESTING
; n
++) {
1020 struct ofpbuf actions
;
1023 ofpbuf_init(&actions
, 300);
1024 add_sample_actions(&actions
, n
);
1025 ok
= dpif_probe_feature(backer
->dpif
, "Sample action nesting", &key
,
1027 ofpbuf_uninit(&actions
);
1033 VLOG_INFO("%s: Max sample nesting level probed as %d",
1034 dpif_name(backer
->dpif
), n
);
1038 /* Tests whether 'backer''s datapath supports masked data in
1039 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1040 * datapaths that don't support this feature. */
1042 check_masked_set_action(struct dpif_backer
*backer
)
1044 struct eth_header
*eth
;
1045 struct ofpbuf actions
;
1046 struct dpif_execute execute
;
1047 struct dp_packet packet
;
1050 struct ovs_key_ethernet key
, mask
;
1052 /* Compose a set action that will cause an EINVAL error on older
1053 * datapaths that don't support masked set actions.
1054 * Avoid using a full mask, as it could be translated to a non-masked
1055 * set action instead. */
1056 ofpbuf_init(&actions
, 64);
1057 memset(&key
, 0x53, sizeof key
);
1058 memset(&mask
, 0x7f, sizeof mask
);
1059 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1062 /* Compose a dummy ethernet packet. */
1063 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1064 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1065 eth
->eth_type
= htons(0x1234);
1067 flow_extract(&packet
, &flow
);
1069 /* Execute the actions. On older datapaths this fails with EINVAL, on
1070 * newer datapaths it succeeds. */
1071 execute
.actions
= actions
.data
;
1072 execute
.actions_len
= actions
.size
;
1073 execute
.packet
= &packet
;
1074 execute
.flow
= &flow
;
1075 execute
.needs_help
= false;
1076 execute
.probe
= true;
1079 error
= dpif_execute(backer
->dpif
, &execute
);
1081 dp_packet_uninit(&packet
);
1082 ofpbuf_uninit(&actions
);
1085 /* Masked set action is not supported. */
1086 VLOG_INFO("%s: datapath does not support masked set action feature.",
1087 dpif_name(backer
->dpif
));
1092 /* Tests whether 'backer''s datapath supports truncation of a packet in
1093 * OVS_ACTION_ATTR_TRUNC. We need to disable some features on older
1094 * datapaths that don't support this feature. */
1096 check_trunc_action(struct dpif_backer
*backer
)
1098 struct eth_header
*eth
;
1099 struct ofpbuf actions
;
1100 struct dpif_execute execute
;
1101 struct dp_packet packet
;
1102 struct ovs_action_trunc
*trunc
;
1106 /* Compose an action with output(port:1,
1107 * max_len:OVS_ACTION_OUTPUT_MIN + 1).
1108 * This translates to one truncate action and one output action. */
1109 ofpbuf_init(&actions
, 64);
1110 trunc
= nl_msg_put_unspec_uninit(&actions
,
1111 OVS_ACTION_ATTR_TRUNC
, sizeof *trunc
);
1113 trunc
->max_len
= ETH_HEADER_LEN
+ 1;
1114 nl_msg_put_odp_port(&actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1116 /* Compose a dummy Ethernet packet. */
1117 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1118 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1119 eth
->eth_type
= htons(0x1234);
1121 flow_extract(&packet
, &flow
);
1123 /* Execute the actions. On older datapaths this fails with EINVAL, on
1124 * newer datapaths it succeeds. */
1125 execute
.actions
= actions
.data
;
1126 execute
.actions_len
= actions
.size
;
1127 execute
.packet
= &packet
;
1128 execute
.flow
= &flow
;
1129 execute
.needs_help
= false;
1130 execute
.probe
= true;
1133 error
= dpif_execute(backer
->dpif
, &execute
);
1135 dp_packet_uninit(&packet
);
1136 ofpbuf_uninit(&actions
);
1139 VLOG_INFO("%s: Datapath does not support truncate action",
1140 dpif_name(backer
->dpif
));
1142 VLOG_INFO("%s: Datapath supports truncate action",
1143 dpif_name(backer
->dpif
));
1149 /* Tests whether 'backer''s datapath supports the clone action
1150 * OVS_ACTION_ATTR_CLONE. */
1152 check_clone(struct dpif_backer
*backer
)
1154 struct dpif_execute execute
;
1155 struct eth_header
*eth
;
1157 struct dp_packet packet
;
1158 struct ofpbuf actions
;
1162 /* Compose clone with an empty action list.
1163 * and check if datapath can decode the message. */
1164 ofpbuf_init(&actions
, 64);
1165 clone_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CLONE
);
1166 nl_msg_end_nested(&actions
, clone_start
);
1168 /* Compose a dummy Ethernet packet. */
1169 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1170 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1171 eth
->eth_type
= htons(0x1234);
1173 flow_extract(&packet
, &flow
);
1175 /* Execute the actions. On older datapaths this fails with EINVAL, on
1176 * newer datapaths it succeeds. */
1177 execute
.actions
= actions
.data
;
1178 execute
.actions_len
= actions
.size
;
1179 execute
.packet
= &packet
;
1180 execute
.flow
= &flow
;
1181 execute
.needs_help
= false;
1182 execute
.probe
= true;
1185 error
= dpif_execute(backer
->dpif
, &execute
);
1187 dp_packet_uninit(&packet
);
1188 ofpbuf_uninit(&actions
);
1191 VLOG_INFO("%s: Datapath does not support clone action",
1192 dpif_name(backer
->dpif
));
1194 VLOG_INFO("%s: Datapath supports clone action",
1195 dpif_name(backer
->dpif
));
1201 /* Tests whether 'backer''s datapath supports the OVS_CT_ATTR_EVENTMASK
1202 * attribute in OVS_ACTION_ATTR_CT. */
1204 check_ct_eventmask(struct dpif_backer
*backer
)
1206 struct dpif_execute execute
;
1207 struct dp_packet packet
;
1208 struct ofpbuf actions
;
1209 struct flow flow
= {
1210 .dl_type
= CONSTANT_HTONS(ETH_TYPE_IP
),
1211 .nw_proto
= IPPROTO_UDP
,
1213 /* Use the broadcast address on the loopback address range 127/8 to
1214 * avoid hitting any real conntrack entries. We leave the UDP ports to
1215 * zeroes for the same purpose. */
1216 .nw_src
= CONSTANT_HTONL(0x7fffffff),
1217 .nw_dst
= CONSTANT_HTONL(0x7fffffff),
1222 /* Compose CT action with eventmask attribute and check if datapath can
1223 * decode the message. */
1224 ofpbuf_init(&actions
, 64);
1225 ct_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CT
);
1226 /* Eventmask has no effect without the commit flag, but currently the
1227 * datapath will accept an eventmask even without commit. This is useful
1228 * as we do not want to persist the probe connection in the conntrack
1230 nl_msg_put_u32(&actions
, OVS_CT_ATTR_EVENTMASK
, ~0);
1231 nl_msg_end_nested(&actions
, ct_start
);
1233 /* Compose a dummy UDP packet. */
1234 dp_packet_init(&packet
, 0);
1235 flow_compose(&packet
, &flow
, NULL
, 64);
1237 /* Execute the actions. On older datapaths this fails with EINVAL, on
1238 * newer datapaths it succeeds. */
1239 execute
.actions
= actions
.data
;
1240 execute
.actions_len
= actions
.size
;
1241 execute
.packet
= &packet
;
1242 execute
.flow
= &flow
;
1243 execute
.needs_help
= false;
1244 execute
.probe
= true;
1247 error
= dpif_execute(backer
->dpif
, &execute
);
1249 dp_packet_uninit(&packet
);
1250 ofpbuf_uninit(&actions
);
1253 VLOG_INFO("%s: Datapath does not support eventmask in conntrack action",
1254 dpif_name(backer
->dpif
));
1256 VLOG_INFO("%s: Datapath supports eventmask in conntrack action",
1257 dpif_name(backer
->dpif
));
1263 /* Tests whether 'backer''s datapath supports the OVS_ACTION_ATTR_CT_CLEAR
1266 check_ct_clear(struct dpif_backer
*backer
)
1268 struct odputil_keybuf keybuf
;
1269 uint8_t actbuf
[NL_A_FLAG_SIZE
];
1270 struct ofpbuf actions
;
1275 struct odp_flow_key_parms odp_parms
= {
1280 memset(&flow
, 0, sizeof flow
);
1281 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1282 odp_flow_key_from_flow(&odp_parms
, &key
);
1284 ofpbuf_use_stack(&actions
, &actbuf
, sizeof actbuf
);
1285 nl_msg_put_flag(&actions
, OVS_ACTION_ATTR_CT_CLEAR
);
1287 supported
= dpif_probe_feature(backer
->dpif
, "ct_clear", &key
,
1290 VLOG_INFO("%s: Datapath %s ct_clear action",
1291 dpif_name(backer
->dpif
), (supported
) ? "supports"
1292 : "does not support");
1296 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE, ETHTYPE) \
1298 check_##NAME(struct dpif_backer *backer) \
1301 struct odputil_keybuf keybuf; \
1302 struct ofpbuf key; \
1304 struct odp_flow_key_parms odp_parms = { \
1311 memset(&flow, 0, sizeof flow); \
1312 flow.FIELD = VALUE; \
1313 flow.dl_type = htons(ETHTYPE); \
1315 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1316 odp_flow_key_from_flow(&odp_parms, &key); \
1317 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL, NULL); \
1320 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1322 VLOG_INFO("%s: Datapath does not support "#NAME, \
1323 dpif_name(backer->dpif)); \
1328 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1, \
1331 CHECK_FEATURE(ct_state
)
1332 CHECK_FEATURE(ct_zone
)
1333 CHECK_FEATURE(ct_mark
)
1334 CHECK_FEATURE__(ct_label
, ct_label
, ct_label
.u64
.lo
, 1, ETH_TYPE_IP
)
1335 CHECK_FEATURE__(ct_state_nat
, ct_state
, ct_state
, \
1336 CS_TRACKED
|CS_SRC_NAT
, ETH_TYPE_IP
)
1337 CHECK_FEATURE__(ct_orig_tuple
, ct_orig_tuple
, ct_nw_proto
, 1, ETH_TYPE_IP
)
1338 CHECK_FEATURE__(ct_orig_tuple6
, ct_orig_tuple6
, ct_nw_proto
, 1, ETH_TYPE_IPV6
)
1340 #undef CHECK_FEATURE
1341 #undef CHECK_FEATURE__
1344 check_support(struct dpif_backer
*backer
)
1347 backer
->rt_support
.odp
.recirc
= check_recirc(backer
);
1348 backer
->rt_support
.odp
.max_vlan_headers
= check_max_vlan_headers(backer
);
1349 backer
->rt_support
.odp
.max_mpls_depth
= check_max_mpls_depth(backer
);
1350 backer
->rt_support
.masked_set_action
= check_masked_set_action(backer
);
1351 backer
->rt_support
.trunc
= check_trunc_action(backer
);
1352 backer
->rt_support
.ufid
= check_ufid(backer
);
1353 backer
->rt_support
.tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1354 backer
->rt_support
.clone
= check_clone(backer
);
1355 backer
->rt_support
.sample_nesting
= check_max_sample_nesting(backer
);
1356 backer
->rt_support
.ct_eventmask
= check_ct_eventmask(backer
);
1357 backer
->rt_support
.ct_clear
= check_ct_clear(backer
);
1360 backer
->rt_support
.odp
.ct_state
= check_ct_state(backer
);
1361 backer
->rt_support
.odp
.ct_zone
= check_ct_zone(backer
);
1362 backer
->rt_support
.odp
.ct_mark
= check_ct_mark(backer
);
1363 backer
->rt_support
.odp
.ct_label
= check_ct_label(backer
);
1365 backer
->rt_support
.odp
.ct_state_nat
= check_ct_state_nat(backer
);
1366 backer
->rt_support
.odp
.ct_orig_tuple
= check_ct_orig_tuple(backer
);
1367 backer
->rt_support
.odp
.ct_orig_tuple6
= check_ct_orig_tuple6(backer
);
1371 construct(struct ofproto
*ofproto_
)
1373 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1374 struct shash_node
*node
, *next
;
1377 /* Tunnel module can get used right after the udpif threads are running. */
1378 ofproto_tunnel_init();
1380 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1385 uuid_generate(&ofproto
->uuid
);
1386 atomic_init(&ofproto
->tables_version
, OVS_VERSION_MIN
);
1387 ofproto
->netflow
= NULL
;
1388 ofproto
->sflow
= NULL
;
1389 ofproto
->ipfix
= NULL
;
1390 ofproto
->stp
= NULL
;
1391 ofproto
->rstp
= NULL
;
1392 ofproto
->dump_seq
= 0;
1393 hmap_init(&ofproto
->bundles
);
1394 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1396 ofproto
->mbridge
= mbridge_create();
1397 ofproto
->has_bonded_bundles
= false;
1398 ofproto
->lacp_enabled
= false;
1399 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1401 guarded_list_init(&ofproto
->ams
);
1403 sset_init(&ofproto
->ports
);
1404 sset_init(&ofproto
->ghost_ports
);
1405 sset_init(&ofproto
->port_poll_set
);
1406 ofproto
->port_poll_errno
= 0;
1407 ofproto
->change_seq
= 0;
1408 ofproto
->ams_seq
= seq_create();
1409 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1412 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1413 struct iface_hint
*iface_hint
= node
->data
;
1415 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1416 /* Check if the datapath already has this port. */
1417 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1418 sset_add(&ofproto
->ports
, node
->name
);
1421 free(iface_hint
->br_name
);
1422 free(iface_hint
->br_type
);
1424 shash_delete(&init_ofp_ports
, node
);
1428 hmap_insert(&all_ofproto_dpifs_by_name
,
1429 &ofproto
->all_ofproto_dpifs_by_name_node
,
1430 hash_string(ofproto
->up
.name
, 0));
1431 hmap_insert(&all_ofproto_dpifs_by_uuid
,
1432 &ofproto
->all_ofproto_dpifs_by_uuid_node
,
1433 uuid_hash(&ofproto
->uuid
));
1434 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1436 ofproto_init_tables(ofproto_
, N_TABLES
);
1437 error
= add_internal_flows(ofproto
);
1439 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1445 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1446 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1452 match_init_catchall(&match
);
1453 match_set_reg(&match
, 0, id
);
1455 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1457 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1463 add_internal_flows(struct ofproto_dpif
*ofproto
)
1465 struct ofpact_controller
*controller
;
1466 uint64_t ofpacts_stub
[128 / 8];
1467 struct ofpbuf ofpacts
;
1468 struct rule
*unused_rulep OVS_UNUSED
;
1473 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1476 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1477 controller
->max_len
= UINT16_MAX
;
1478 controller
->controller_id
= 0;
1479 controller
->reason
= OFPR_IMPLICIT_MISS
;
1480 ofpact_finish_CONTROLLER(&ofpacts
, &controller
);
1482 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1483 &ofproto
->miss_rule
);
1488 ofpbuf_clear(&ofpacts
);
1489 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1490 &ofproto
->no_packet_in_rule
);
1495 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1496 &ofproto
->drop_frags_rule
);
1501 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1502 * zero when reaching this rule.
1504 * (priority=2), recirc_id=0, actions=drop
1506 ofpbuf_clear(&ofpacts
);
1507 match_init_catchall(&match
);
1508 match_set_recirc_id(&match
, 0);
1509 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1515 destruct(struct ofproto
*ofproto_
, bool del
)
1517 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1518 struct ofproto_async_msg
*am
;
1519 struct rule_dpif
*rule
;
1520 struct oftable
*table
;
1521 struct ovs_list ams
;
1523 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1525 xlate_remove_ofproto(ofproto
);
1528 /* Ensure that the upcall processing threads have no remaining references
1529 * to the ofproto or anything in it. */
1530 udpif_synchronize(ofproto
->backer
->udpif
);
1532 hmap_remove(&all_ofproto_dpifs_by_name
,
1533 &ofproto
->all_ofproto_dpifs_by_name_node
);
1534 hmap_remove(&all_ofproto_dpifs_by_uuid
,
1535 &ofproto
->all_ofproto_dpifs_by_uuid_node
);
1537 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1538 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1539 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1542 ofproto_group_delete_all(&ofproto
->up
);
1544 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1545 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1546 ofproto_async_msg_free(am
);
1548 guarded_list_destroy(&ofproto
->ams
);
1550 recirc_free_ofproto(ofproto
, ofproto
->up
.name
);
1552 mbridge_unref(ofproto
->mbridge
);
1554 netflow_unref(ofproto
->netflow
);
1555 dpif_sflow_unref(ofproto
->sflow
);
1556 dpif_ipfix_unref(ofproto
->ipfix
);
1557 hmap_destroy(&ofproto
->bundles
);
1558 mac_learning_unref(ofproto
->ml
);
1559 mcast_snooping_unref(ofproto
->ms
);
1560 stp_unref(ofproto
->stp
);
1561 rstp_unref(ofproto
->rstp
);
1563 sset_destroy(&ofproto
->ports
);
1564 sset_destroy(&ofproto
->ghost_ports
);
1565 sset_destroy(&ofproto
->port_poll_set
);
1567 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1569 seq_destroy(ofproto
->ams_seq
);
1571 close_dpif_backer(ofproto
->backer
, del
);
1575 run(struct ofproto
*ofproto_
)
1577 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1578 uint64_t new_seq
, new_dump_seq
;
1580 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1581 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1582 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1583 mac_learning_flush(ofproto
->ml
);
1584 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1585 mcast_snooping_mdb_flush(ofproto
->ms
);
1588 /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during
1589 * flow restore. Even though nothing is processed during flow restore,
1590 * all queued 'ams' will be handled immediately when flow restore
1592 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1594 /* Do not perform any periodic activity required by 'ofproto' while
1595 * waiting for flow restore to complete. */
1596 if (!ofproto_get_flow_restore_wait()) {
1597 struct ofproto_async_msg
*am
;
1598 struct ovs_list ams
;
1600 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1601 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1602 connmgr_send_async_msg(ofproto
->up
.connmgr
, am
);
1603 ofproto_async_msg_free(am
);
1607 if (ofproto
->netflow
) {
1608 netflow_run(ofproto
->netflow
);
1610 if (ofproto
->sflow
) {
1611 dpif_sflow_run(ofproto
->sflow
);
1613 if (ofproto
->ipfix
) {
1614 dpif_ipfix_run(ofproto
->ipfix
);
1617 new_seq
= seq_read(connectivity_seq_get());
1618 if (ofproto
->change_seq
!= new_seq
) {
1619 struct ofport_dpif
*ofport
;
1621 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1625 ofproto
->change_seq
= new_seq
;
1627 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1628 struct ofbundle
*bundle
;
1630 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1637 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1638 if (mac_learning_run(ofproto
->ml
)) {
1639 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1641 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1643 if (mcast_snooping_run(ofproto
->ms
)) {
1644 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1647 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1648 if (ofproto
->dump_seq
!= new_dump_seq
) {
1649 struct rule
*rule
, *next_rule
;
1650 long long now
= time_msec();
1652 /* We know stats are relatively fresh, so now is a good time to do some
1654 ofproto
->dump_seq
= new_dump_seq
;
1656 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1658 ovs_mutex_lock(&ofproto_mutex
);
1659 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1660 &ofproto
->up
.expirable
) {
1661 rule_expire(rule_dpif_cast(rule
), now
);
1663 ovs_mutex_unlock(&ofproto_mutex
);
1665 /* All outstanding data in existing flows has been accounted, so it's a
1666 * good time to do bond rebalancing. */
1667 if (ofproto
->has_bonded_bundles
) {
1668 struct ofbundle
*bundle
;
1670 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1672 bond_rebalance(bundle
->bond
);
1681 ofproto_dpif_wait(struct ofproto
*ofproto_
)
1683 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1685 if (ofproto_get_flow_restore_wait()) {
1689 if (ofproto
->sflow
) {
1690 dpif_sflow_wait(ofproto
->sflow
);
1692 if (ofproto
->ipfix
) {
1693 dpif_ipfix_wait(ofproto
->ipfix
);
1695 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1696 struct ofbundle
*bundle
;
1698 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1699 bundle_wait(bundle
);
1702 if (ofproto
->netflow
) {
1703 netflow_wait(ofproto
->netflow
);
1705 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1706 mac_learning_wait(ofproto
->ml
);
1707 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1708 mcast_snooping_wait(ofproto
->ms
);
1710 if (ofproto
->backer
->need_revalidate
) {
1711 poll_immediate_wake();
1714 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1715 seq_wait(ofproto
->ams_seq
, ofproto
->ams_seqno
);
1719 type_get_memory_usage(const char *type
, struct simap
*usage
)
1721 struct dpif_backer
*backer
;
1723 backer
= shash_find_data(&all_dpif_backers
, type
);
1725 udpif_get_memory_usage(backer
->udpif
, usage
);
1730 flush(struct ofproto
*ofproto_
)
1732 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1733 struct dpif_backer
*backer
= ofproto
->backer
;
1736 udpif_flush(backer
->udpif
);
1741 query_tables(struct ofproto
*ofproto
,
1742 struct ofputil_table_features
*features OVS_UNUSED
,
1743 struct ofputil_table_stats
*stats
)
1748 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1749 unsigned long missed
, matched
;
1751 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1752 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1754 stats
[i
].matched_count
= matched
;
1755 stats
[i
].lookup_count
= matched
+ missed
;
1761 set_tables_version(struct ofproto
*ofproto_
, ovs_version_t version
)
1763 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1765 /* Use memory_order_release to signify that any prior memory accesses can
1766 * not be reordered to happen after this atomic store. This makes sure the
1767 * new version is properly set up when the readers can read this 'version'
1769 atomic_store_explicit(&ofproto
->tables_version
, version
,
1770 memory_order_release
);
1771 /* 'need_revalidate' can be reordered to happen before the atomic_store
1772 * above, but it does not matter as this variable is not accessed by other
1774 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
1777 static struct ofport
*
1780 struct ofport_dpif
*port
= xzalloc(sizeof *port
);
1785 port_dealloc(struct ofport
*port_
)
1787 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1792 port_construct(struct ofport
*port_
)
1794 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1795 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1796 const struct netdev
*netdev
= port
->up
.netdev
;
1797 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1798 const char *dp_port_name
;
1799 struct dpif_port dpif_port
;
1802 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1803 port
->bundle
= NULL
;
1807 port
->may_enable
= false;
1808 port
->stp_port
= NULL
;
1809 port
->stp_state
= STP_DISABLED
;
1810 port
->rstp_port
= NULL
;
1811 port
->rstp_state
= RSTP_DISABLED
;
1812 port
->is_tunnel
= false;
1816 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1818 if (netdev_vport_is_patch(netdev
)) {
1819 /* By bailing out here, we don't submit the port to the sFlow module
1820 * to be considered for counter polling export. This is correct
1821 * because the patch port represents an interface that sFlow considers
1822 * to be "internal" to the switch as a whole, and therefore not a
1823 * candidate for counter polling. */
1824 port
->odp_port
= ODPP_NONE
;
1825 ofport_update_peer(port
);
1829 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1830 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
, dp_port_name
,
1836 port
->odp_port
= dpif_port
.port_no
;
1838 if (netdev_get_tunnel_config(netdev
)) {
1839 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1840 error
= tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1841 ovs_native_tunneling_is_on(ofproto
), dp_port_name
);
1843 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1844 dpif_port_destroy(&dpif_port
);
1848 port
->is_tunnel
= true;
1850 /* Sanity-check that a mapping doesn't already exist. This
1851 * shouldn't happen for non-tunnel ports. */
1852 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1853 VLOG_ERR("port %s already has an OpenFlow port number",
1855 dpif_port_destroy(&dpif_port
);
1859 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1860 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1861 hash_odp_port(port
->odp_port
));
1862 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1864 dpif_port_destroy(&dpif_port
);
1866 if (ofproto
->sflow
) {
1867 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1869 if (ofproto
->ipfix
) {
1870 dpif_ipfix_add_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1877 port_destruct(struct ofport
*port_
, bool del
)
1879 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1880 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1881 const char *devname
= netdev_get_name(port
->up
.netdev
);
1882 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1883 const char *dp_port_name
;
1885 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1887 xlate_ofport_remove(port
);
1890 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1892 if (del
&& dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1893 /* The underlying device is still there, so delete it. This
1894 * happens when the ofproto is being destroyed, since the caller
1895 * assumes that removal of attached ports will happen as part of
1897 if (!port
->is_tunnel
) {
1898 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
, false);
1901 /* The underlying device is already deleted (e.g. tunctl -d).
1902 * Calling dpif_port_remove to do local cleanup for the netdev */
1903 if (!port
->is_tunnel
) {
1904 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
, true);
1909 port
->peer
->peer
= NULL
;
1913 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1914 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1915 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1916 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1919 if (port
->is_tunnel
) {
1920 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1923 tnl_port_del(port
, port
->odp_port
);
1924 sset_find_and_delete(&ofproto
->ports
, devname
);
1925 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1926 bundle_remove(port_
);
1927 set_cfm(port_
, NULL
);
1928 set_bfd(port_
, NULL
);
1929 set_lldp(port_
, NULL
);
1930 if (port
->stp_port
) {
1931 stp_port_disable(port
->stp_port
);
1933 set_rstp_port(port_
, NULL
);
1934 if (ofproto
->sflow
) {
1935 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1937 if (ofproto
->ipfix
) {
1938 dpif_ipfix_del_port(ofproto
->ipfix
, port
->odp_port
);
1945 port_modified(struct ofport
*port_
)
1947 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1948 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1949 const char *dp_port_name
;
1950 struct netdev
*netdev
= port
->up
.netdev
;
1952 if (port
->bundle
&& port
->bundle
->bond
) {
1953 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1957 cfm_set_netdev(port
->cfm
, netdev
);
1961 bfd_set_netdev(port
->bfd
, netdev
);
1964 /* Set liveness, unless the link is administratively or
1965 * operationally down or link monitoring false */
1966 if (!(port
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
1967 !(port
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
) &&
1969 port
->up
.pp
.state
|= OFPUTIL_PS_LIVE
;
1971 port
->up
.pp
.state
&= ~OFPUTIL_PS_LIVE
;
1974 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1975 port
->lldp
, &port
->up
.pp
.hw_addr
);
1977 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1979 if (port
->is_tunnel
) {
1980 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1982 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
, port
->odp_port
,
1983 ovs_native_tunneling_is_on(ofproto
),
1985 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1989 ofport_update_peer(port
);
1993 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1995 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1996 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1997 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1999 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
2000 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
2001 OFPUTIL_PC_NO_PACKET_IN
)) {
2002 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2004 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
2005 bundle_update(port
->bundle
);
2011 set_sflow(struct ofproto
*ofproto_
,
2012 const struct ofproto_sflow_options
*sflow_options
)
2014 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2015 struct dpif_sflow
*ds
= ofproto
->sflow
;
2017 if (sflow_options
) {
2018 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
2020 struct ofport_dpif
*ofport
;
2022 ds
= ofproto
->sflow
= dpif_sflow_create();
2023 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2024 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
2027 dpif_sflow_set_options(ds
, sflow_options
);
2028 if (dpif_sflow_get_probability(ds
) != old_probability
) {
2029 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2033 dpif_sflow_unref(ds
);
2034 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2035 ofproto
->sflow
= NULL
;
2043 struct ofproto
*ofproto_
,
2044 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
2045 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
2046 size_t n_flow_exporters_options
)
2048 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2049 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2050 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
2051 bool new_di
= false;
2053 if (has_options
&& !di
) {
2054 di
= ofproto
->ipfix
= dpif_ipfix_create();
2059 /* Call set_options in any case to cleanly flush the flow
2060 * caches in the last exporters that are to be destroyed. */
2061 dpif_ipfix_set_options(
2062 di
, bridge_exporter_options
, flow_exporters_options
,
2063 n_flow_exporters_options
);
2065 /* Add ports only when a new ipfix created */
2066 if (new_di
== true) {
2067 struct ofport_dpif
*ofport
;
2068 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2069 dpif_ipfix_add_port(di
, &ofport
->up
, ofport
->odp_port
);
2074 dpif_ipfix_unref(di
);
2075 ofproto
->ipfix
= NULL
;
2083 get_ipfix_stats(const struct ofproto
*ofproto_
,
2085 struct ovs_list
*replies
)
2087 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2088 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2091 return OFPERR_NXST_NOT_CONFIGURED
;
2094 return dpif_ipfix_get_stats(di
, bridge_ipfix
, replies
);
2098 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
2100 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2101 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2102 struct cfm
*old
= ofport
->cfm
;
2107 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
2110 if (cfm_configure(ofport
->cfm
, s
)) {
2117 cfm_unref(ofport
->cfm
);
2120 if (ofport
->cfm
!= old
) {
2121 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2123 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2124 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2129 cfm_status_changed(struct ofport
*ofport_
)
2131 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2133 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
2137 get_cfm_status(const struct ofport
*ofport_
,
2138 struct cfm_status
*status
)
2140 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2144 cfm_get_status(ofport
->cfm
, status
);
2153 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
2155 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
2156 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2160 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
2161 cfg
, ofport
->up
.netdev
);
2162 if (ofport
->bfd
!= old
) {
2163 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2165 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2166 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2171 bfd_status_changed(struct ofport
*ofport_
)
2173 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2175 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
2179 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
2181 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2185 bfd_get_status(ofport
->bfd
, smap
);
2194 set_lldp(struct ofport
*ofport_
,
2195 const struct smap
*cfg
)
2197 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2201 if (!ofport
->lldp
) {
2202 struct ofproto_dpif
*ofproto
;
2204 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2205 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2206 ofport
->lldp
= lldp_create(ofport
->up
.netdev
, ofport_
->mtu
, cfg
);
2209 if (!lldp_configure(ofport
->lldp
, cfg
)) {
2214 lldp_unref(ofport
->lldp
);
2215 ofport
->lldp
= NULL
;
2218 ofproto_dpif_monitor_port_update(ofport
,
2222 &ofport
->up
.pp
.hw_addr
);
2227 get_lldp_status(const struct ofport
*ofport_
,
2228 struct lldp_status
*status OVS_UNUSED
)
2230 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2232 return ofport
->lldp
? true : false;
2236 set_aa(struct ofproto
*ofproto OVS_UNUSED
,
2237 const struct aa_settings
*s
)
2239 return aa_configure(s
);
2243 aa_mapping_set(struct ofproto
*ofproto_ OVS_UNUSED
, void *aux
,
2244 const struct aa_mapping_settings
*s
)
2246 return aa_mapping_register(aux
, s
);
2250 aa_mapping_unset(struct ofproto
*ofproto OVS_UNUSED
, void *aux
)
2252 return aa_mapping_unregister(aux
);
2256 aa_vlan_get_queued(struct ofproto
*ofproto OVS_UNUSED
, struct ovs_list
*list
)
2258 return aa_get_vlan_queued(list
);
2262 aa_vlan_get_queue_size(struct ofproto
*ofproto OVS_UNUSED
)
2264 return aa_get_vlan_queue_size();
2268 /* Spanning Tree. */
2270 /* Called while rstp_mutex is held. */
2272 rstp_send_bpdu_cb(struct dp_packet
*pkt
, void *ofport_
, void *ofproto_
)
2274 struct ofproto_dpif
*ofproto
= ofproto_
;
2275 struct ofport_dpif
*ofport
= ofport_
;
2276 struct eth_header
*eth
= dp_packet_eth(pkt
);
2278 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2279 if (eth_addr_is_zero(eth
->eth_src
)) {
2280 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2281 "does not have a configured source MAC address.",
2282 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2284 ofproto_dpif_send_packet(ofport
, false, pkt
);
2286 dp_packet_delete(pkt
);
2290 send_bpdu_cb(struct dp_packet
*pkt
, int port_num
, void *ofproto_
)
2292 struct ofproto_dpif
*ofproto
= ofproto_
;
2293 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2294 struct ofport_dpif
*ofport
;
2296 ofport
= stp_port_get_aux(sp
);
2298 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2299 ofproto
->up
.name
, port_num
);
2301 struct eth_header
*eth
= dp_packet_eth(pkt
);
2303 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2304 if (eth_addr_is_zero(eth
->eth_src
)) {
2305 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2306 "with unknown MAC", ofproto
->up
.name
, port_num
);
2308 ofproto_dpif_send_packet(ofport
, false, pkt
);
2311 dp_packet_delete(pkt
);
2314 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2316 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2318 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2320 /* Only revalidate flows if the configuration changed. */
2321 if (!s
!= !ofproto
->rstp
) {
2322 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2326 if (!ofproto
->rstp
) {
2327 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2328 rstp_send_bpdu_cb
, ofproto
);
2329 ofproto
->rstp_last_tick
= time_msec();
2331 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2332 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2333 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2334 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2335 s
->force_protocol_version
);
2336 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2337 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2338 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2339 s
->transmit_hold_count
);
2341 struct ofport
*ofport
;
2342 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2343 set_rstp_port(ofport
, NULL
);
2345 rstp_unref(ofproto
->rstp
);
2346 ofproto
->rstp
= NULL
;
2351 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2353 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2355 if (ofproto
->rstp
) {
2357 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2358 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2359 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2360 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2361 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2362 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2369 update_rstp_port_state(struct ofport_dpif
*ofport
)
2371 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2372 enum rstp_state state
;
2374 /* Figure out new state. */
2375 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2379 if (ofport
->rstp_state
!= state
) {
2380 enum ofputil_port_state of_state
;
2383 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2384 netdev_get_name(ofport
->up
.netdev
),
2385 rstp_state_name(ofport
->rstp_state
),
2386 rstp_state_name(state
));
2388 if (rstp_learn_in_state(ofport
->rstp_state
)
2389 != rstp_learn_in_state(state
)) {
2390 /* XXX: Learning action flows should also be flushed. */
2391 if (ofport
->bundle
) {
2392 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2393 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2394 bundle_flush_macs(ofport
->bundle
, false);
2398 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2399 != rstp_forward_in_state(state
);
2401 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2402 ofport
->rstp_state
= state
;
2404 if (fwd_change
&& ofport
->bundle
) {
2405 bundle_update(ofport
->bundle
);
2408 /* Update the RSTP state bits in the OpenFlow port description. */
2409 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2410 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2411 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2412 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2414 ofproto_port_set_state(&ofport
->up
, of_state
);
2419 rstp_run(struct ofproto_dpif
*ofproto
)
2421 if (ofproto
->rstp
) {
2422 long long int now
= time_msec();
2423 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2424 struct rstp_port
*rp
;
2425 struct ofport_dpif
*ofport
;
2427 /* Every second, decrease the values of the timers. */
2428 if (elapsed
>= 1000) {
2429 rstp_tick_timers(ofproto
->rstp
);
2430 ofproto
->rstp_last_tick
= now
;
2433 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2434 update_rstp_port_state(ofport
);
2438 /* FIXME: This check should be done on-event (i.e., when setting
2439 * p->fdb_flush) and not periodically.
2441 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2442 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2443 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2444 bundle_flush_macs(ofport
->bundle
, false);
2448 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2449 struct ofport_dpif
*old_root_aux
=
2450 (struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
);
2451 struct ofport_dpif
*new_root_aux
=
2452 (struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
);
2453 if (old_root_aux
!= NULL
&& new_root_aux
!= NULL
) {
2454 bundle_move(old_root_aux
->bundle
, new_root_aux
->bundle
);
2455 rstp_reset_root_changed(ofproto
->rstp
);
2461 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2463 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2465 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2467 /* Only revalidate flows if the configuration changed. */
2468 if (!s
!= !ofproto
->stp
) {
2469 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2473 if (!ofproto
->stp
) {
2474 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2475 send_bpdu_cb
, ofproto
);
2476 ofproto
->stp_last_tick
= time_msec();
2479 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2480 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2481 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2482 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2483 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2485 struct ofport
*ofport
;
2487 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2488 set_stp_port(ofport
, NULL
);
2491 stp_unref(ofproto
->stp
);
2492 ofproto
->stp
= NULL
;
2499 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2501 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2505 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2506 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2507 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2516 update_stp_port_state(struct ofport_dpif
*ofport
)
2518 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2519 enum stp_state state
;
2521 /* Figure out new state. */
2522 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2526 if (ofport
->stp_state
!= state
) {
2527 enum ofputil_port_state of_state
;
2530 VLOG_DBG("port %s: STP state changed from %s to %s",
2531 netdev_get_name(ofport
->up
.netdev
),
2532 stp_state_name(ofport
->stp_state
),
2533 stp_state_name(state
));
2534 if (stp_learn_in_state(ofport
->stp_state
)
2535 != stp_learn_in_state(state
)) {
2536 /* xxx Learning action flows should also be flushed. */
2537 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2538 mac_learning_flush(ofproto
->ml
);
2539 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2540 mcast_snooping_mdb_flush(ofproto
->ms
);
2542 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2543 != stp_forward_in_state(state
);
2545 ofproto
->backer
->need_revalidate
= REV_STP
;
2546 ofport
->stp_state
= state
;
2547 ofport
->stp_state_entered
= time_msec();
2549 if (fwd_change
&& ofport
->bundle
) {
2550 bundle_update(ofport
->bundle
);
2553 /* Update the STP state bits in the OpenFlow port description. */
2554 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2555 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2556 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2557 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2558 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2560 ofproto_port_set_state(&ofport
->up
, of_state
);
2565 stp_check_and_update_link_state(struct ofproto_dpif
*ofproto
)
2567 struct ofport_dpif
*ofport
;
2569 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2570 bool up
= netdev_get_carrier(ofport
->up
.netdev
);
2572 if (ofport
->stp_port
&&
2573 up
!= (stp_port_get_state(ofport
->stp_port
) != STP_DISABLED
)) {
2575 VLOG_DBG("bridge %s, port %s is %s, %s it.",
2576 ofproto
->up
.name
, netdev_get_name(ofport
->up
.netdev
),
2578 up
? "enabling" : "disabling");
2581 stp_port_enable(ofport
->stp_port
);
2582 stp_port_set_aux(ofport
->stp_port
, ofport
);
2584 stp_port_disable(ofport
->stp_port
);
2587 update_stp_port_state(ofport
);
2592 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2593 * caller is responsible for assigning STP port numbers and ensuring
2594 * there are no duplicates. */
2596 set_stp_port(struct ofport
*ofport_
,
2597 const struct ofproto_port_stp_settings
*s
)
2599 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2600 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2601 struct stp_port
*sp
= ofport
->stp_port
;
2603 if (!s
|| !s
->enable
) {
2605 ofport
->stp_port
= NULL
;
2606 stp_port_disable(sp
);
2607 update_stp_port_state(ofport
);
2610 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2611 && ofport
== stp_port_get_aux(sp
)) {
2612 /* The port-id changed, so disable the old one if it's not
2613 * already in use by another port. */
2614 stp_port_disable(sp
);
2617 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2619 /* Set name before enabling the port so that debugging messages can print
2621 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2623 if (netdev_get_carrier(ofport_
->netdev
)) {
2624 stp_port_enable(sp
);
2626 stp_port_disable(sp
);
2629 stp_port_set_aux(sp
, ofport
);
2630 stp_port_set_priority(sp
, s
->priority
);
2631 stp_port_set_path_cost(sp
, s
->path_cost
);
2633 update_stp_port_state(ofport
);
2639 get_stp_port_status(struct ofport
*ofport_
,
2640 struct ofproto_port_stp_status
*s
)
2642 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2643 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2644 struct stp_port
*sp
= ofport
->stp_port
;
2646 if (!ofproto
->stp
|| !sp
) {
2652 stp_port_get_status(sp
, &s
->port_id
, &s
->state
, &s
->role
);
2653 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2659 get_stp_port_stats(struct ofport
*ofport_
,
2660 struct ofproto_port_stp_stats
*s
)
2662 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2663 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2664 struct stp_port
*sp
= ofport
->stp_port
;
2666 if (!ofproto
->stp
|| !sp
) {
2672 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2678 stp_run(struct ofproto_dpif
*ofproto
)
2681 long long int now
= time_msec();
2682 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2683 struct stp_port
*sp
;
2686 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2687 ofproto
->stp_last_tick
= now
;
2690 stp_check_and_update_link_state(ofproto
);
2692 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2693 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2696 update_stp_port_state(ofport
);
2700 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2701 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2702 mac_learning_flush(ofproto
->ml
);
2703 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2704 mcast_snooping_mdb_flush(ofproto
->ms
);
2710 stp_wait(struct ofproto_dpif
*ofproto
)
2713 poll_timer_wait(1000);
2717 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2718 * caller is responsible for assigning RSTP port numbers and ensuring
2719 * there are no duplicates. */
2721 set_rstp_port(struct ofport
*ofport_
,
2722 const struct ofproto_port_rstp_settings
*s
)
2724 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2725 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2726 struct rstp_port
*rp
= ofport
->rstp_port
;
2728 if (!s
|| !s
->enable
) {
2730 rstp_port_set_aux(rp
, NULL
);
2731 rstp_port_set_state(rp
, RSTP_DISABLED
);
2732 rstp_port_set_mac_operational(rp
, false);
2733 ofport
->rstp_port
= NULL
;
2734 rstp_port_unref(rp
);
2735 update_rstp_port_state(ofport
);
2740 /* Check if need to add a new port. */
2742 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2745 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2746 s
->admin_edge_port
, s
->auto_edge
,
2747 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2748 ofport
, netdev_get_name(ofport
->up
.netdev
));
2749 update_rstp_port_state(ofport
);
2750 /* Synchronize operational status. */
2751 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2755 get_rstp_port_status(struct ofport
*ofport_
,
2756 struct ofproto_port_rstp_status
*s
)
2758 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2759 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2760 struct rstp_port
*rp
= ofport
->rstp_port
;
2762 if (!ofproto
->rstp
|| !rp
) {
2768 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2769 &s
->designated_bridge_id
, &s
->designated_port_id
,
2770 &s
->designated_path_cost
, &s
->tx_count
,
2771 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2776 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2779 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2780 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2782 if (ofport
->n_qdscp
!= n_qdscp
2783 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2784 n_qdscp
* sizeof *qdscp
))) {
2785 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2786 free(ofport
->qdscp
);
2787 ofport
->qdscp
= n_qdscp
2788 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2790 ofport
->n_qdscp
= n_qdscp
;
2798 /* Expires all MAC learning entries associated with 'bundle' and forces its
2799 * ofproto to revalidate every flow.
2801 * Normally MAC learning entries are removed only from the ofproto associated
2802 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2803 * are removed from every ofproto. When patch ports and SLB bonds are in use
2804 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2805 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2806 * with the host from which it migrated. */
2808 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2810 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2811 struct mac_learning
*ml
= ofproto
->ml
;
2812 struct mac_entry
*mac
, *next_mac
;
2814 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2815 ovs_rwlock_wrlock(&ml
->rwlock
);
2816 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2817 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2819 struct ofproto_dpif
*o
;
2821 HMAP_FOR_EACH (o
, all_ofproto_dpifs_by_name_node
,
2822 &all_ofproto_dpifs_by_name
) {
2824 struct mac_entry
*e
;
2826 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2827 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2829 mac_learning_expire(o
->ml
, e
);
2831 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2836 mac_learning_expire(ml
, mac
);
2839 ovs_rwlock_unlock(&ml
->rwlock
);
2843 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2845 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2846 struct mac_learning
*ml
= ofproto
->ml
;
2847 struct mac_entry
*mac
, *next_mac
;
2849 ovs_assert(new->ofproto
== old
->ofproto
);
2851 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2852 ovs_rwlock_wrlock(&ml
->rwlock
);
2853 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2854 if (mac_entry_get_port(ml
, mac
) == old
) {
2855 mac_entry_set_port(ml
, mac
, new);
2858 ovs_rwlock_unlock(&ml
->rwlock
);
2861 static struct ofbundle
*
2862 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2864 struct ofbundle
*bundle
;
2866 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2867 &ofproto
->bundles
) {
2868 if (bundle
->aux
== aux
) {
2876 bundle_update(struct ofbundle
*bundle
)
2878 struct ofport_dpif
*port
;
2880 bundle
->floodable
= true;
2881 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2882 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2883 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2884 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2885 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2886 bundle
->floodable
= false;
2893 bundle_del_port(struct ofport_dpif
*port
)
2895 struct ofbundle
*bundle
= port
->bundle
;
2897 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2899 ovs_list_remove(&port
->bundle_node
);
2900 port
->bundle
= NULL
;
2903 lacp_slave_unregister(bundle
->lacp
, port
);
2906 bond_slave_unregister(bundle
->bond
, port
);
2909 bundle_update(bundle
);
2913 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2914 struct lacp_slave_settings
*lacp
)
2916 struct ofport_dpif
*port
;
2918 port
= ofp_port_to_ofport(bundle
->ofproto
, ofp_port
);
2923 if (port
->bundle
!= bundle
) {
2924 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2926 bundle_remove(&port
->up
);
2929 port
->bundle
= bundle
;
2930 ovs_list_push_back(&bundle
->ports
, &port
->bundle_node
);
2931 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2932 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2933 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2934 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2935 bundle
->floodable
= false;
2939 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2940 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2947 bundle_destroy(struct ofbundle
*bundle
)
2949 struct ofproto_dpif
*ofproto
;
2950 struct ofport_dpif
*port
, *next_port
;
2956 ofproto
= bundle
->ofproto
;
2957 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2960 xlate_bundle_remove(bundle
);
2963 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2964 bundle_del_port(port
);
2967 bundle_flush_macs(bundle
, true);
2968 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
2969 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2971 free(bundle
->trunks
);
2972 free(bundle
->cvlans
);
2973 lacp_unref(bundle
->lacp
);
2974 bond_unref(bundle
->bond
);
2979 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2980 const struct ofproto_bundle_settings
*s
)
2982 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2983 bool need_flush
= false;
2984 struct ofport_dpif
*port
;
2985 struct ofbundle
*bundle
;
2986 unsigned long *trunks
= NULL
;
2987 unsigned long *cvlans
= NULL
;
2992 bundle
= bundle_lookup(ofproto
, aux
);
2995 bundle_destroy(bundle
);
2999 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
3000 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
3003 bundle
= xmalloc(sizeof *bundle
);
3005 bundle
->ofproto
= ofproto
;
3006 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
3007 hash_pointer(aux
, 0));
3009 bundle
->name
= NULL
;
3011 ovs_list_init(&bundle
->ports
);
3012 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
3013 bundle
->qinq_ethtype
= ETH_TYPE_VLAN_8021AD
;
3015 bundle
->trunks
= NULL
;
3016 bundle
->cvlans
= NULL
;
3017 bundle
->use_priority_tags
= s
->use_priority_tags
;
3018 bundle
->lacp
= NULL
;
3019 bundle
->bond
= NULL
;
3021 bundle
->floodable
= true;
3022 bundle
->protected = false;
3023 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
3026 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
3028 bundle
->name
= xstrdup(s
->name
);
3033 ofproto
->lacp_enabled
= true;
3034 if (!bundle
->lacp
) {
3035 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3036 bundle
->lacp
= lacp_create();
3038 lacp_configure(bundle
->lacp
, s
->lacp
);
3040 lacp_unref(bundle
->lacp
);
3041 bundle
->lacp
= NULL
;
3044 /* Update set of ports. */
3046 for (i
= 0; i
< s
->n_slaves
; i
++) {
3047 if (!bundle_add_port(bundle
, s
->slaves
[i
],
3048 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
3052 if (!ok
|| ovs_list_size(&bundle
->ports
) != s
->n_slaves
) {
3053 struct ofport_dpif
*next_port
;
3055 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
3056 for (i
= 0; i
< s
->n_slaves
; i
++) {
3057 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
3062 bundle_del_port(port
);
3066 ovs_assert(ovs_list_size(&bundle
->ports
) <= s
->n_slaves
);
3068 if (ovs_list_is_empty(&bundle
->ports
)) {
3069 bundle_destroy(bundle
);
3073 /* Set VLAN tagging mode */
3074 if (s
->vlan_mode
!= bundle
->vlan_mode
3075 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
3076 bundle
->vlan_mode
= s
->vlan_mode
;
3077 bundle
->use_priority_tags
= s
->use_priority_tags
;
3081 if (s
->qinq_ethtype
!= bundle
->qinq_ethtype
) {
3082 bundle
->qinq_ethtype
= s
->qinq_ethtype
;
3087 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
3088 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
3090 if (vlan
!= bundle
->vlan
) {
3091 bundle
->vlan
= vlan
;
3095 /* Get trunked VLANs. */
3096 switch (s
->vlan_mode
) {
3097 case PORT_VLAN_ACCESS
:
3101 case PORT_VLAN_TRUNK
:
3102 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3105 case PORT_VLAN_NATIVE_UNTAGGED
:
3106 case PORT_VLAN_NATIVE_TAGGED
:
3107 if (vlan
!= 0 && (!s
->trunks
3108 || !bitmap_is_set(s
->trunks
, vlan
)
3109 || bitmap_is_set(s
->trunks
, 0))) {
3110 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
3112 trunks
= bitmap_clone(s
->trunks
, 4096);
3114 trunks
= bitmap_allocate1(4096);
3116 bitmap_set1(trunks
, vlan
);
3117 bitmap_set0(trunks
, 0);
3119 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3123 case PORT_VLAN_DOT1Q_TUNNEL
:
3124 cvlans
= CONST_CAST(unsigned long *, s
->cvlans
);
3130 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
3131 free(bundle
->trunks
);
3132 if (trunks
== s
->trunks
) {
3133 bundle
->trunks
= vlan_bitmap_clone(trunks
);
3135 bundle
->trunks
= trunks
;
3140 if (trunks
!= s
->trunks
) {
3144 if (!vlan_bitmap_equal(cvlans
, bundle
->cvlans
)) {
3145 free(bundle
->cvlans
);
3146 if (cvlans
== s
->cvlans
) {
3147 bundle
->cvlans
= vlan_bitmap_clone(cvlans
);
3149 bundle
->cvlans
= cvlans
;
3154 if (cvlans
!= s
->cvlans
) {
3159 if (!ovs_list_is_short(&bundle
->ports
)) {
3160 bundle
->ofproto
->has_bonded_bundles
= true;
3162 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
3163 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3166 bundle
->bond
= bond_create(s
->bond
, ofproto
);
3167 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3170 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3171 bond_slave_register(bundle
->bond
, port
,
3172 port
->up
.ofp_port
, port
->up
.netdev
);
3175 bond_unref(bundle
->bond
);
3176 bundle
->bond
= NULL
;
3179 /* Set proteced port mode */
3180 if (s
->protected != bundle
->protected) {
3181 bundle
->protected = s
->protected;
3185 /* If we changed something that would affect MAC learning, un-learn
3186 * everything on this port and force flow revalidation. */
3188 bundle_flush_macs(bundle
, false);
3189 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
3196 bundle_remove(struct ofport
*port_
)
3198 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
3199 struct ofbundle
*bundle
= port
->bundle
;
3202 bundle_del_port(port
);
3203 if (ovs_list_is_empty(&bundle
->ports
)) {
3204 bundle_destroy(bundle
);
3205 } else if (ovs_list_is_short(&bundle
->ports
)) {
3206 bond_unref(bundle
->bond
);
3207 bundle
->bond
= NULL
;
3213 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
3215 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
3216 struct ofport_dpif
*port
= port_
;
3220 error
= netdev_get_etheraddr(port
->up
.netdev
, &ea
);
3222 struct dp_packet packet
;
3225 dp_packet_init(&packet
, 0);
3226 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
3228 memcpy(packet_pdu
, pdu
, pdu_size
);
3230 ofproto_dpif_send_packet(port
, false, &packet
);
3231 dp_packet_uninit(&packet
);
3233 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
3234 "%s (%s)", port
->bundle
->name
,
3235 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
3240 bundle_send_learning_packets(struct ofbundle
*bundle
)
3242 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
3243 int error
, n_packets
, n_errors
;
3244 struct mac_entry
*e
;
3246 struct ovs_list list_node
;
3247 struct ofport_dpif
*port
;
3248 struct dp_packet
*pkt
;
3250 struct ovs_list packets
;
3252 ovs_list_init(&packets
);
3253 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3254 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3255 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
3256 pkt_node
= xmalloc(sizeof *pkt_node
);
3257 pkt_node
->pkt
= bond_compose_learning_packet(bundle
->bond
,
3259 (void **)&pkt_node
->port
);
3260 ovs_list_push_back(&packets
, &pkt_node
->list_node
);
3263 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3265 error
= n_packets
= n_errors
= 0;
3266 LIST_FOR_EACH_POP (pkt_node
, list_node
, &packets
) {
3269 ret
= ofproto_dpif_send_packet(pkt_node
->port
, false, pkt_node
->pkt
);
3270 dp_packet_delete(pkt_node
->pkt
);
3280 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3281 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
3282 "packets, last error was: %s",
3283 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
3285 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3286 bundle
->name
, n_packets
);
3291 bundle_run(struct ofbundle
*bundle
)
3294 lacp_run(bundle
->lacp
, send_pdu_cb
);
3297 struct ofport_dpif
*port
;
3299 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3300 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3303 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3304 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3307 if (bond_should_send_learning_packets(bundle
->bond
)) {
3308 bundle_send_learning_packets(bundle
);
3314 bundle_wait(struct ofbundle
*bundle
)
3317 lacp_wait(bundle
->lacp
);
3320 bond_wait(bundle
->bond
);
3327 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3328 const struct ofproto_mirror_settings
*s
)
3330 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3331 struct ofbundle
**srcs
, **dsts
;
3336 mirror_destroy(ofproto
->mbridge
, aux
);
3340 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3341 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3343 for (i
= 0; i
< s
->n_srcs
; i
++) {
3344 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3347 for (i
= 0; i
< s
->n_dsts
; i
++) {
3348 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3351 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3352 s
->n_dsts
, s
->src_vlans
,
3353 bundle_lookup(ofproto
, s
->out_bundle
),
3354 s
->snaplen
, s
->out_vlan
);
3361 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3362 uint64_t *packets
, uint64_t *bytes
)
3364 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3369 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3371 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3372 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3373 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3374 mac_learning_flush(ofproto
->ml
);
3376 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3381 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3383 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3384 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3385 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3389 forward_bpdu_changed(struct ofproto
*ofproto_
)
3391 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3392 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3396 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3399 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3400 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3401 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3402 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3403 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3406 /* Configures multicast snooping on 'ofport' using the settings
3407 * defined in 's'. */
3409 set_mcast_snooping(struct ofproto
*ofproto_
,
3410 const struct ofproto_mcast_snooping_settings
*s
)
3412 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3414 /* Only revalidate flows if the configuration changed. */
3415 if (!s
!= !ofproto
->ms
) {
3416 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3421 ofproto
->ms
= mcast_snooping_create();
3424 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3425 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3426 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3427 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3428 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3430 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3432 mcast_snooping_unref(ofproto
->ms
);
3439 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3441 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3442 const struct ofproto_mcast_snooping_port_settings
*s
)
3444 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3445 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3447 if (ofproto
->ms
&& s
) {
3448 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3449 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3450 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3452 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3460 struct ofport_dpif
*
3461 ofp_port_to_ofport(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3463 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3464 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3468 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3469 struct ofproto_port
*ofproto_port
,
3470 struct dpif_port
*dpif_port
)
3472 ofproto_port
->name
= dpif_port
->name
;
3473 ofproto_port
->type
= dpif_port
->type
;
3474 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3478 ofport_update_peer(struct ofport_dpif
*ofport
)
3480 const struct ofproto_dpif
*ofproto
;
3481 struct dpif_backer
*backer
;
3484 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3488 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3489 backer
->need_revalidate
= REV_RECONFIGURE
;
3492 ofport
->peer
->peer
= NULL
;
3493 ofport
->peer
= NULL
;
3496 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3501 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
3502 &all_ofproto_dpifs_by_name
) {
3503 struct ofport
*peer_ofport
;
3504 struct ofport_dpif
*peer
;
3507 if (ofproto
->backer
!= backer
) {
3511 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3516 peer
= ofport_dpif_cast(peer_ofport
);
3517 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3518 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3520 ofport
->peer
= peer
;
3521 ofport
->peer
->peer
= ofport
;
3531 port_run(struct ofport_dpif
*ofport
)
3533 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3534 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3535 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3536 bool cfm_enable
= false;
3537 bool bfd_enable
= false;
3539 ofport
->carrier_seq
= carrier_seq
;
3542 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3544 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3546 if (cfm_opup
>= 0) {
3547 cfm_enable
= cfm_enable
&& cfm_opup
;
3552 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3555 if (ofport
->bfd
|| ofport
->cfm
) {
3556 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3559 if (ofport
->bundle
) {
3560 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3561 if (carrier_changed
) {
3562 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3566 if (ofport
->may_enable
!= enable
) {
3567 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3569 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3571 if (ofport
->rstp_port
) {
3572 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3575 /* Propagate liveness, unless the link is administratively or
3576 * operationally down. */
3577 if (!(ofport
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
3578 !(ofport
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
)) {
3579 enum ofputil_port_state of_state
= ofport
->up
.pp
.state
;
3581 of_state
|= OFPUTIL_PS_LIVE
;
3583 of_state
&= ~OFPUTIL_PS_LIVE
;
3585 ofproto_port_set_state(&ofport
->up
, of_state
);
3589 ofport
->may_enable
= enable
;
3593 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3594 struct ofproto_port
*ofproto_port
)
3596 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3597 struct dpif_port dpif_port
;
3600 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3601 const char *type
= netdev_get_type_from_name(devname
);
3603 /* We may be called before ofproto->up.port_by_name is populated with
3604 * the appropriate ofport. For this reason, we must get the name and
3605 * type from the netdev layer directly. */
3607 const struct ofport
*ofport
;
3609 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3610 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3611 ofproto_port
->name
= xstrdup(devname
);
3612 ofproto_port
->type
= xstrdup(type
);
3618 if (!sset_contains(&ofproto
->ports
, devname
)) {
3621 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3622 devname
, &dpif_port
);
3624 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3630 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3632 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3633 const char *devname
= netdev_get_name(netdev
);
3634 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3635 const char *dp_port_name
;
3637 if (netdev_vport_is_patch(netdev
)) {
3638 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3642 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3643 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3644 odp_port_t port_no
= ODPP_NONE
;
3647 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3651 if (netdev_get_tunnel_config(netdev
)) {
3652 simap_put(&ofproto
->backer
->tnl_backers
,
3653 dp_port_name
, odp_to_u32(port_no
));
3657 if (netdev_get_tunnel_config(netdev
)) {
3658 sset_add(&ofproto
->ghost_ports
, devname
);
3660 sset_add(&ofproto
->ports
, devname
);
3666 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3668 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3669 struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
3676 sset_find_and_delete(&ofproto
->ghost_ports
,
3677 netdev_get_name(ofport
->up
.netdev
));
3678 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3679 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3680 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
, false);
3682 /* The caller is going to close ofport->up.netdev. If this is a
3683 * bonded port, then the bond is using that netdev, so remove it
3684 * from the bond. The client will need to reconfigure everything
3685 * after deleting ports, so then the slave will get re-added. */
3686 bundle_remove(&ofport
->up
);
3693 port_set_config(const struct ofport
*ofport_
, const struct smap
*cfg
)
3695 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3696 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3698 if (sset_contains(&ofproto
->ghost_ports
,
3699 netdev_get_name(ofport
->up
.netdev
))) {
3703 return dpif_port_set_config(ofproto
->backer
->dpif
, ofport
->odp_port
, cfg
);
3707 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3709 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3712 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3714 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3715 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3717 ovs_mutex_lock(&ofproto
->stats_mutex
);
3718 /* ofproto->stats.tx_packets represents packets that we created
3719 * internally and sent to some port (e.g. packets sent with
3720 * ofproto_dpif_send_packet()). Account for them as if they had
3721 * come from OFPP_LOCAL and got forwarded. */
3723 if (stats
->rx_packets
!= UINT64_MAX
) {
3724 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3727 if (stats
->rx_bytes
!= UINT64_MAX
) {
3728 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3731 /* ofproto->stats.rx_packets represents packets that were received on
3732 * some port and we processed internally and dropped (e.g. STP).
3733 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3735 if (stats
->tx_packets
!= UINT64_MAX
) {
3736 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3739 if (stats
->tx_bytes
!= UINT64_MAX
) {
3740 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3742 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3749 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3751 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3752 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3753 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3760 struct port_dump_state
{
3761 struct sset_position pos
;
3764 struct ofproto_port port
;
3769 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3771 *statep
= xzalloc(sizeof(struct port_dump_state
));
3776 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3777 struct ofproto_port
*port
)
3779 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3780 struct port_dump_state
*state
= state_
;
3781 const struct sset
*sset
;
3782 struct sset_node
*node
;
3784 if (state
->has_port
) {
3785 ofproto_port_destroy(&state
->port
);
3786 state
->has_port
= false;
3788 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3789 while ((node
= sset_at_position(sset
, &state
->pos
))) {
3792 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3794 *port
= state
->port
;
3795 state
->has_port
= true;
3797 } else if (error
!= ENODEV
) {
3802 if (!state
->ghost
) {
3803 state
->ghost
= true;
3804 memset(&state
->pos
, 0, sizeof state
->pos
);
3805 return port_dump_next(ofproto_
, state_
, port
);
3812 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3814 struct port_dump_state
*state
= state_
;
3816 if (state
->has_port
) {
3817 ofproto_port_destroy(&state
->port
);
3824 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3826 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3828 if (ofproto
->port_poll_errno
) {
3829 int error
= ofproto
->port_poll_errno
;
3830 ofproto
->port_poll_errno
= 0;
3834 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3838 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3843 port_poll_wait(const struct ofproto
*ofproto_
)
3845 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3846 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3850 port_is_lacp_current(const struct ofport
*ofport_
)
3852 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3853 return (ofport
->bundle
&& ofport
->bundle
->lacp
3854 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3858 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3859 * then delete it entirely. */
3861 rule_expire(struct rule_dpif
*rule
, long long now
)
3862 OVS_REQUIRES(ofproto_mutex
)
3864 uint16_t hard_timeout
, idle_timeout
;
3867 hard_timeout
= rule
->up
.hard_timeout
;
3868 idle_timeout
= rule
->up
.idle_timeout
;
3870 /* Has 'rule' expired? */
3872 long long int modified
;
3874 ovs_mutex_lock(&rule
->up
.mutex
);
3875 modified
= rule
->up
.modified
;
3876 ovs_mutex_unlock(&rule
->up
.mutex
);
3878 if (now
> modified
+ hard_timeout
* 1000) {
3879 reason
= OFPRR_HARD_TIMEOUT
;
3883 if (reason
< 0 && idle_timeout
) {
3886 ovs_mutex_lock(&rule
->stats_mutex
);
3887 used
= rule
->stats
.used
;
3888 ovs_mutex_unlock(&rule
->stats_mutex
);
3890 if (now
> used
+ idle_timeout
* 1000) {
3891 reason
= OFPRR_IDLE_TIMEOUT
;
3896 COVERAGE_INC(ofproto_dpif_expired
);
3897 ofproto_rule_expire(&rule
->up
, reason
);
3902 ofproto_dpif_set_packet_odp_port(const struct ofproto_dpif
*ofproto
,
3903 ofp_port_t in_port
, struct dp_packet
*packet
)
3905 if (in_port
== OFPP_NONE
) {
3906 in_port
= OFPP_LOCAL
;
3908 packet
->md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3912 ofproto_dpif_execute_actions__(struct ofproto_dpif
*ofproto
,
3913 ovs_version_t version
, const struct flow
*flow
,
3914 struct rule_dpif
*rule
,
3915 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3916 int depth
, int resubmits
,
3917 struct dp_packet
*packet
)
3919 struct dpif_flow_stats stats
;
3920 struct xlate_out xout
;
3921 struct xlate_in xin
;
3922 struct dpif_execute execute
;
3925 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3927 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3930 rule_dpif_credit_stats(rule
, &stats
);
3933 uint64_t odp_actions_stub
[1024 / 8];
3934 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
3935 xlate_in_init(&xin
, ofproto
, version
, flow
, flow
->in_port
.ofp_port
, rule
,
3936 stats
.tcp_flags
, packet
, NULL
, &odp_actions
);
3937 xin
.ofpacts
= ofpacts
;
3938 xin
.ofpacts_len
= ofpacts_len
;
3939 xin
.resubmit_stats
= &stats
;
3941 xin
.resubmits
= resubmits
;
3942 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
3947 execute
.actions
= odp_actions
.data
;
3948 execute
.actions_len
= odp_actions
.size
;
3950 pkt_metadata_from_flow(&packet
->md
, flow
);
3951 execute
.packet
= packet
;
3952 execute
.flow
= flow
;
3953 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3954 execute
.probe
= false;
3957 /* Fix up in_port. */
3958 ofproto_dpif_set_packet_odp_port(ofproto
, flow
->in_port
.ofp_port
, packet
);
3960 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3962 xlate_out_uninit(&xout
);
3963 ofpbuf_uninit(&odp_actions
);
3968 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3969 * 'flow' must reflect the data in 'packet'. */
3971 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3972 ovs_version_t version
, const struct flow
*flow
,
3973 struct rule_dpif
*rule
,
3974 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3975 struct dp_packet
*packet
)
3977 return ofproto_dpif_execute_actions__(ofproto
, version
, flow
, rule
,
3978 ofpacts
, ofpacts_len
, 0, 0, packet
);
3982 rule_dpif_credit_stats__(struct rule_dpif
*rule
,
3983 const struct dpif_flow_stats
*stats
,
3985 OVS_REQUIRES(rule
->stats_mutex
)
3987 if (credit_counts
) {
3988 rule
->stats
.n_packets
+= stats
->n_packets
;
3989 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3991 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3995 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3996 const struct dpif_flow_stats
*stats
)
3998 ovs_mutex_lock(&rule
->stats_mutex
);
3999 if (OVS_UNLIKELY(rule
->new_rule
)) {
4000 ovs_mutex_lock(&rule
->new_rule
->stats_mutex
);
4001 rule_dpif_credit_stats__(rule
->new_rule
, stats
, rule
->forward_counts
);
4002 ovs_mutex_unlock(&rule
->new_rule
->stats_mutex
);
4004 rule_dpif_credit_stats__(rule
, stats
, true);
4006 ovs_mutex_unlock(&rule
->stats_mutex
);
4009 /* Sets 'rule''s recirculation id. */
4011 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
4012 OVS_REQUIRES(rule
->up
.mutex
)
4014 ovs_assert(!rule
->recirc_id
|| rule
->recirc_id
== id
);
4015 if (rule
->recirc_id
== id
) {
4016 /* Release the new reference to the same id. */
4019 rule
->recirc_id
= id
;
4023 /* Sets 'rule''s recirculation id. */
4025 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
4027 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4029 ovs_mutex_lock(&rule
->up
.mutex
);
4030 rule_dpif_set_recirc_id(rule
, id
);
4031 ovs_mutex_unlock(&rule
->up
.mutex
);
4035 ofproto_dpif_get_tables_version(struct ofproto_dpif
*ofproto
)
4037 ovs_version_t version
;
4039 /* Use memory_order_acquire to signify that any following memory accesses
4040 * can not be reordered to happen before this atomic read. This makes sure
4041 * all following reads relate to this or a newer version, but never to an
4043 atomic_read_explicit(&ofproto
->tables_version
, &version
,
4044 memory_order_acquire
);
4048 /* The returned rule (if any) is valid at least until the next RCU quiescent
4049 * period. If the rule needs to stay around longer, the caller should take
4052 * 'flow' is non-const to allow for temporary modifications during the lookup.
4053 * Any changes are restored before returning. */
4054 static struct rule_dpif
*
4055 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, ovs_version_t version
,
4056 uint8_t table_id
, struct flow
*flow
,
4057 struct flow_wildcards
*wc
)
4059 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
4060 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls
, version
,
4065 ofproto_dpif_credit_table_stats(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
4066 uint64_t n_matches
, uint64_t n_misses
)
4068 struct oftable
*tbl
= &ofproto
->up
.tables
[table_id
];
4072 atomic_add_relaxed(&tbl
->n_matched
, n_matches
, &orig
);
4075 atomic_add_relaxed(&tbl
->n_missed
, n_misses
, &orig
);
4079 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
4080 * table '*table_id'. Returns the rule that was found, which may be one of the
4081 * special rules according to packet miss hadling. If 'may_packet_in' is
4082 * false, returning of the miss_rule (which issues packet ins for the
4083 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
4084 * that were used during the lookup.
4086 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
4087 * if none is found then the table miss configuration for that table is
4088 * honored, which can result in additional lookups in other OpenFlow tables.
4089 * In this case the function updates '*table_id' to reflect the final OpenFlow
4090 * table that was searched.
4092 * If 'honor_table_miss' is false, then only one table lookup occurs, in
4095 * The rule is returned in '*rule', which is valid at least until the next
4096 * RCU quiescent period. If the '*rule' needs to stay around longer, the
4097 * caller must take a reference.
4099 * 'in_port' allows the lookup to take place as if the in port had the value
4100 * 'in_port'. This is needed for resubmit action support.
4102 * 'flow' is non-const to allow for temporary modifications during the lookup.
4103 * Any changes are restored before returning. */
4105 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
4106 ovs_version_t version
, struct flow
*flow
,
4107 struct flow_wildcards
*wc
,
4108 const struct dpif_flow_stats
*stats
,
4109 uint8_t *table_id
, ofp_port_t in_port
,
4110 bool may_packet_in
, bool honor_table_miss
,
4111 struct xlate_cache
*xcache
)
4113 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
4114 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
4115 enum ofputil_table_miss miss_config
;
4116 struct rule_dpif
*rule
;
4119 /* We always unwildcard nw_frag (for IP), so they
4120 * need not be unwildcarded here. */
4121 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
4122 && ofproto
->up
.frag_handling
!= OFPUTIL_FRAG_NX_MATCH
) {
4123 if (ofproto
->up
.frag_handling
== OFPUTIL_FRAG_NORMAL
) {
4124 /* We must pretend that transport ports are unavailable. */
4125 flow
->tp_src
= htons(0);
4126 flow
->tp_dst
= htons(0);
4128 /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM).
4129 * Use the drop_frags_rule (which cannot disappear). */
4130 rule
= ofproto
->drop_frags_rule
;
4132 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
4135 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
4138 struct xc_entry
*entry
;
4140 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4141 entry
->table
.ofproto
= ofproto
;
4142 entry
->table
.id
= *table_id
;
4143 entry
->table
.match
= true;
4149 /* Look up a flow with 'in_port' as the input port. Then restore the
4150 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
4151 * have surprising behavior). */
4152 flow
->in_port
.ofp_port
= in_port
;
4154 /* Our current implementation depends on n_tables == N_TABLES, and
4155 * TBL_INTERNAL being the last table. */
4156 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
4158 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
4160 for (next_id
= *table_id
;
4161 next_id
< ofproto
->up
.n_tables
;
4162 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
4164 *table_id
= next_id
;
4165 rule
= rule_dpif_lookup_in_table(ofproto
, version
, next_id
, flow
, wc
);
4167 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
4170 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
4171 stats
->n_packets
, &orig
);
4174 struct xc_entry
*entry
;
4176 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4177 entry
->table
.ofproto
= ofproto
;
4178 entry
->table
.id
= next_id
;
4179 entry
->table
.match
= (rule
!= NULL
);
4182 goto out
; /* Match. */
4184 if (honor_table_miss
) {
4185 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
4187 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
4194 rule
= ofproto
->no_packet_in_rule
;
4195 if (may_packet_in
) {
4196 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
4197 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
4198 struct ofport_dpif
*port
;
4200 port
= ofp_port_to_ofport(ofproto
, old_in_port
);
4202 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu32
,
4204 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
4205 rule
= ofproto
->miss_rule
;
4207 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
4208 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
4209 rule
= ofproto
->miss_rule
;
4213 /* Restore port numbers, as they may have been modified above. */
4214 flow
->tp_src
= old_tp_src
;
4215 flow
->tp_dst
= old_tp_dst
;
4216 /* Restore the old in port. */
4217 flow
->in_port
.ofp_port
= old_in_port
;
4222 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
4224 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
4227 static struct rule
*
4230 struct rule_dpif
*rule
= xzalloc(sizeof *rule
);
4235 rule_dealloc(struct rule
*rule_
)
4237 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4242 check_mask(struct ofproto_dpif
*ofproto
, const struct miniflow
*flow
)
4244 const struct odp_support
*support
;
4245 uint16_t ct_state
, ct_zone
;
4249 support
= &ofproto
->backer
->rt_support
.odp
;
4250 ct_state
= MINIFLOW_GET_U8(flow
, ct_state
);
4252 if (ct_state
& CS_UNSUPPORTED_MASK
) {
4253 return OFPERR_OFPBMC_BAD_MASK
;
4256 /* Do not bother dissecting the flow further if the datapath supports all
4257 * the features we know of. */
4258 if (support
->ct_state
&& support
->ct_zone
&& support
->ct_mark
4259 && support
->ct_label
&& support
->ct_state_nat
4260 && support
->ct_orig_tuple
&& support
->ct_orig_tuple6
) {
4264 ct_zone
= MINIFLOW_GET_U16(flow
, ct_zone
);
4265 ct_mark
= MINIFLOW_GET_U32(flow
, ct_mark
);
4266 ct_label
= MINIFLOW_GET_U128(flow
, ct_label
);
4268 if ((ct_state
&& !support
->ct_state
)
4269 || ((ct_state
& (CS_SRC_NAT
| CS_DST_NAT
)) && !support
->ct_state_nat
)
4270 || (ct_zone
&& !support
->ct_zone
)
4271 || (ct_mark
&& !support
->ct_mark
)
4272 || (!ovs_u128_is_zero(ct_label
) && !support
->ct_label
)) {
4273 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4276 if (!support
->ct_orig_tuple
&& !support
->ct_orig_tuple6
4277 && (MINIFLOW_GET_U8(flow
, ct_nw_proto
)
4278 || MINIFLOW_GET_U16(flow
, ct_tp_src
)
4279 || MINIFLOW_GET_U16(flow
, ct_tp_dst
))) {
4280 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4283 if (!support
->ct_orig_tuple
4284 && (MINIFLOW_GET_U32(flow
, ct_nw_src
)
4285 || MINIFLOW_GET_U32(flow
, ct_nw_dst
))) {
4286 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4289 if (!support
->ct_orig_tuple6
4290 && (!ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_src
))
4291 || !ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_dst
)))) {
4292 return OFPERR_NXBMC_CT_DATAPATH_SUPPORT
;
4299 report_unsupported_act(const char *action
, const char *detail
)
4301 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
4302 VLOG_WARN_RL(&rl
, "Rejecting %s action because datapath does not support"
4303 "%s%s (your kernel module may be out of date)",
4304 action
, detail
? " " : "", detail
? detail
: "");
4308 check_actions(const struct ofproto_dpif
*ofproto
,
4309 const struct rule_actions
*const actions
)
4311 const struct ofpact
*ofpact
;
4312 const struct odp_support
*support
= &ofproto
->backer
->rt_support
.odp
;
4314 OFPACT_FOR_EACH (ofpact
, actions
->ofpacts
, actions
->ofpacts_len
) {
4315 if (ofpact
->type
== OFPACT_CT
) {
4316 const struct ofpact_conntrack
*ct
;
4317 const struct ofpact
*a
;
4319 ct
= CONTAINER_OF(ofpact
, struct ofpact_conntrack
, ofpact
);
4321 if (!support
->ct_state
) {
4322 report_unsupported_act("ct", "ct action");
4323 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4325 if ((ct
->zone_imm
|| ct
->zone_src
.field
) && !support
->ct_zone
) {
4326 report_unsupported_act("ct", "ct zones");
4327 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4329 /* So far the force commit feature is implemented together with the
4330 * original direction tuple feature by all datapaths, so we use the
4331 * support flag for the 'ct_orig_tuple' to indicate support for the
4332 * force commit feature as well. */
4333 if ((ct
->flags
& NX_CT_F_FORCE
) && !support
->ct_orig_tuple
) {
4334 report_unsupported_act("ct", "force commit");
4335 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4338 OFPACT_FOR_EACH(a
, ct
->actions
, ofpact_ct_get_action_len(ct
)) {
4339 const struct mf_field
*dst
= ofpact_get_mf_dst(a
);
4341 if (a
->type
== OFPACT_NAT
&& !support
->ct_state_nat
) {
4342 /* The backer doesn't seem to support the NAT bits in
4343 * 'ct_state': assume that it doesn't support the NAT
4345 report_unsupported_act("ct", "nat");
4346 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4348 if (dst
&& ((dst
->id
== MFF_CT_MARK
&& !support
->ct_mark
) ||
4349 (dst
->id
== MFF_CT_LABEL
&& !support
->ct_label
))) {
4350 report_unsupported_act("ct", "setting mark and/or label");
4351 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4354 } else if (ofpact
->type
== OFPACT_RESUBMIT
) {
4355 struct ofpact_resubmit
*resubmit
= ofpact_get_RESUBMIT(ofpact
);
4357 if (resubmit
->with_ct_orig
&& !support
->ct_orig_tuple
) {
4358 report_unsupported_act("resubmit",
4359 "ct original direction tuple");
4360 return OFPERR_NXBAC_CT_DATAPATH_SUPPORT
;
4369 rule_check(struct rule
*rule
)
4371 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->ofproto
);
4374 err
= check_mask(ofproto
, &rule
->cr
.match
.mask
->masks
);
4378 return check_actions(ofproto
, rule
->actions
);
4382 rule_construct(struct rule
*rule_
)
4383 OVS_NO_THREAD_SAFETY_ANALYSIS
4385 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4388 error
= rule_check(rule_
);
4393 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
4394 rule
->stats
.n_packets
= 0;
4395 rule
->stats
.n_bytes
= 0;
4396 rule
->stats
.used
= rule
->up
.modified
;
4397 rule
->recirc_id
= 0;
4398 rule
->new_rule
= NULL
;
4399 rule
->forward_counts
= false;
4405 rule_insert(struct rule
*rule_
, struct rule
*old_rule_
, bool forward_counts
)
4406 OVS_REQUIRES(ofproto_mutex
)
4408 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4411 struct rule_dpif
*old_rule
= rule_dpif_cast(old_rule_
);
4413 ovs_assert(!old_rule
->new_rule
);
4415 /* Take a reference to the new rule, and refer all stats updates from
4416 * the old rule to the new rule. */
4417 ofproto_rule_ref(&rule
->up
);
4419 ovs_mutex_lock(&old_rule
->stats_mutex
);
4420 ovs_mutex_lock(&rule
->stats_mutex
);
4421 old_rule
->new_rule
= rule
; /* Forward future stats. */
4422 old_rule
->forward_counts
= forward_counts
;
4424 if (forward_counts
) {
4425 rule
->stats
= old_rule
->stats
; /* Transfer stats to the new
4428 /* Used timestamp must be forwarded whenever a rule is modified. */
4429 rule
->stats
.used
= old_rule
->stats
.used
;
4431 ovs_mutex_unlock(&rule
->stats_mutex
);
4432 ovs_mutex_unlock(&old_rule
->stats_mutex
);
4437 rule_destruct(struct rule
*rule_
)
4438 OVS_NO_THREAD_SAFETY_ANALYSIS
4440 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4442 ovs_mutex_destroy(&rule
->stats_mutex
);
4443 /* Release reference to the new rule, if any. */
4444 if (rule
->new_rule
) {
4445 ofproto_rule_unref(&rule
->new_rule
->up
);
4447 if (rule
->recirc_id
) {
4448 recirc_free_id(rule
->recirc_id
);
4453 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
4454 long long int *used
)
4456 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4458 ovs_mutex_lock(&rule
->stats_mutex
);
4459 if (OVS_UNLIKELY(rule
->new_rule
)) {
4460 rule_get_stats(&rule
->new_rule
->up
, packets
, bytes
, used
);
4462 *packets
= rule
->stats
.n_packets
;
4463 *bytes
= rule
->stats
.n_bytes
;
4464 *used
= rule
->stats
.used
;
4466 ovs_mutex_unlock(&rule
->stats_mutex
);
4469 struct ofproto_dpif_packet_out
{
4470 struct xlate_cache xcache
;
4471 struct ofpbuf odp_actions
;
4472 struct recirc_refs rr
;
4477 static struct ofproto_dpif_packet_out
*
4478 ofproto_dpif_packet_out_new(void)
4480 struct ofproto_dpif_packet_out
*aux
= xmalloc(sizeof *aux
);
4481 xlate_cache_init(&aux
->xcache
);
4482 ofpbuf_init(&aux
->odp_actions
, 64);
4483 aux
->rr
= RECIRC_REFS_EMPTY_INITIALIZER
;
4484 aux
->needs_help
= false;
4490 ofproto_dpif_packet_out_delete(struct ofproto_dpif_packet_out
*aux
)
4493 xlate_cache_uninit(&aux
->xcache
);
4494 ofpbuf_uninit(&aux
->odp_actions
);
4495 recirc_refs_unref(&aux
->rr
);
4501 packet_xlate(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4502 OVS_REQUIRES(ofproto_mutex
)
4504 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4505 struct xlate_out xout
;
4506 struct xlate_in xin
;
4507 enum ofperr error
= 0;
4509 struct ofproto_dpif_packet_out
*aux
= ofproto_dpif_packet_out_new();
4511 xlate_in_init(&xin
, ofproto
, opo
->version
, opo
->flow
,
4512 opo
->flow
->in_port
.ofp_port
, NULL
, 0, opo
->packet
, NULL
,
4514 xin
.ofpacts
= opo
->ofpacts
;
4515 xin
.ofpacts_len
= opo
->ofpacts_len
;
4516 /* No learning or stats, but collect side effects to xcache. */
4517 xin
.allow_side_effects
= false;
4518 xin
.resubmit_stats
= NULL
;
4519 xin
.xcache
= &aux
->xcache
;
4520 xin
.in_packet_out
= true;
4522 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
4523 error
= OFPERR_OFPFMFC_UNKNOWN
; /* Error processing actions. */
4526 /* Prepare learn actions. */
4527 struct xc_entry
*entry
;
4528 struct ofpbuf entries
= aux
->xcache
.entries
;
4530 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4531 if (entry
->type
== XC_LEARN
) {
4532 struct ofproto_flow_mod
*ofm
= entry
->learn
.ofm
;
4534 error
= ofproto_flow_mod_learn_refresh(ofm
);
4538 struct rule
*rule
= ofm
->temp_rule
;
4539 ofm
->learn_adds_rule
= (rule
->state
== RULE_INITIALIZED
);
4540 if (ofm
->learn_adds_rule
) {
4541 /* If learning on a different bridge, must use its next
4542 * version number. */
4543 ofm
->version
= (rule
->ofproto
== ofproto_
)
4544 ? opo
->version
: rule
->ofproto
->tables_version
+ 1;
4545 error
= ofproto_flow_mod_learn_start(ofm
);
4554 aux
->needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
4555 recirc_refs_swap(&aux
->rr
, &xout
.recircs
); /* Hold recirc refs. */
4557 xlate_out_uninit(&xout
);
4562 xlate_out_uninit(&xout
);
4563 ofproto_dpif_packet_out_delete(aux
);
4569 packet_xlate_revert(struct ofproto
*ofproto OVS_UNUSED
,
4570 struct ofproto_packet_out
*opo
)
4571 OVS_REQUIRES(ofproto_mutex
)
4573 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4576 /* Revert the learned flows. */
4577 struct xc_entry
*entry
;
4578 struct ofpbuf entries
= aux
->xcache
.entries
;
4580 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4581 if (entry
->type
== XC_LEARN
&& entry
->learn
.ofm
->learn_adds_rule
) {
4582 ofproto_flow_mod_learn_revert(entry
->learn
.ofm
);
4586 ofproto_dpif_packet_out_delete(aux
);
4590 /* Push stats and perform side effects of flow translation. */
4592 ofproto_dpif_xcache_execute(struct ofproto_dpif
*ofproto
,
4593 struct xlate_cache
*xcache
,
4594 struct dpif_flow_stats
*stats
)
4595 OVS_REQUIRES(ofproto_mutex
)
4597 struct xc_entry
*entry
;
4598 struct ofpbuf entries
= xcache
->entries
;
4600 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4601 switch (entry
->type
) {
4603 /* Finish the learned flows. */
4604 if (entry
->learn
.ofm
->learn_adds_rule
) {
4605 ofproto_flow_mod_learn_finish(entry
->learn
.ofm
, &ofproto
->up
);
4608 case XC_FIN_TIMEOUT
:
4609 if (stats
->tcp_flags
& (TCP_FIN
| TCP_RST
)) {
4610 /* 'ofproto_mutex' already held */
4611 ofproto_rule_reduce_timeouts__(&entry
->fin
.rule
->up
,
4616 /* All the rest can be dealt with by the xlate layer. */
4626 case XC_TUNNEL_HEADER
:
4627 xlate_push_stats_entry(entry
, stats
);
4636 packet_execute(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4637 OVS_REQUIRES(ofproto_mutex
)
4639 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4640 struct dpif_flow_stats stats
;
4641 struct dpif_execute execute
;
4643 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4646 /* Run the side effects from the xcache. */
4647 dpif_flow_stats_extract(opo
->flow
, opo
->packet
, time_msec(), &stats
);
4648 ofproto_dpif_xcache_execute(ofproto
, &aux
->xcache
, &stats
);
4650 execute
.actions
= aux
->odp_actions
.data
;
4651 execute
.actions_len
= aux
->odp_actions
.size
;
4653 pkt_metadata_from_flow(&opo
->packet
->md
, opo
->flow
);
4654 execute
.packet
= opo
->packet
;
4655 execute
.flow
= opo
->flow
;
4656 execute
.needs_help
= aux
->needs_help
;
4657 execute
.probe
= false;
4660 /* Fix up in_port. */
4661 ofproto_dpif_set_packet_odp_port(ofproto
, opo
->flow
->in_port
.ofp_port
,
4664 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4665 ofproto_dpif_packet_out_delete(aux
);
4669 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
4671 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
4674 static struct ofgroup
*
4677 struct group_dpif
*group
= xzalloc(sizeof *group
);
4682 group_dealloc(struct ofgroup
*group_
)
4684 struct group_dpif
*group
= group_dpif_cast(group_
);
4689 group_construct_stats(struct group_dpif
*group
)
4690 OVS_REQUIRES(group
->stats_mutex
)
4692 group
->packet_count
= 0;
4693 group
->byte_count
= 0;
4695 struct ofputil_bucket
*bucket
;
4696 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4697 bucket
->stats
.packet_count
= 0;
4698 bucket
->stats
.byte_count
= 0;
4703 group_dpif_credit_stats(struct group_dpif
*group
,
4704 struct ofputil_bucket
*bucket
,
4705 const struct dpif_flow_stats
*stats
)
4707 ovs_mutex_lock(&group
->stats_mutex
);
4708 group
->packet_count
+= stats
->n_packets
;
4709 group
->byte_count
+= stats
->n_bytes
;
4711 bucket
->stats
.packet_count
+= stats
->n_packets
;
4712 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4713 } else { /* Credit to all buckets */
4714 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4715 bucket
->stats
.packet_count
+= stats
->n_packets
;
4716 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4719 ovs_mutex_unlock(&group
->stats_mutex
);
4723 group_construct(struct ofgroup
*group_
)
4725 struct group_dpif
*group
= group_dpif_cast(group_
);
4727 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4728 ovs_mutex_lock(&group
->stats_mutex
);
4729 group_construct_stats(group
);
4730 ovs_mutex_unlock(&group
->stats_mutex
);
4735 group_destruct(struct ofgroup
*group_
)
4737 struct group_dpif
*group
= group_dpif_cast(group_
);
4738 ovs_mutex_destroy(&group
->stats_mutex
);
4742 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4744 struct group_dpif
*group
= group_dpif_cast(group_
);
4746 ovs_mutex_lock(&group
->stats_mutex
);
4747 ogs
->packet_count
= group
->packet_count
;
4748 ogs
->byte_count
= group
->byte_count
;
4750 struct bucket_counter
*bucket_stats
= ogs
->bucket_stats
;
4751 struct ofputil_bucket
*bucket
;
4752 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4753 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4754 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4757 ovs_mutex_unlock(&group
->stats_mutex
);
4762 /* If the group exists, this function increments the groups's reference count.
4764 * Make sure to call ofproto_group_unref() after no longer needing to maintain
4765 * a reference to the group. */
4767 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4768 ovs_version_t version
, bool take_ref
)
4770 struct ofgroup
*ofgroup
= ofproto_group_lookup(&ofproto
->up
, group_id
,
4772 return ofgroup
? group_dpif_cast(ofgroup
) : NULL
;
4775 /* Sends 'packet' out 'ofport'. If 'port' is a tunnel and that tunnel type
4776 * supports a notion of an OAM flag, sets it if 'oam' is true.
4777 * May modify 'packet'.
4778 * Returns 0 if successful, otherwise a positive errno value. */
4780 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, bool oam
,
4781 struct dp_packet
*packet
)
4783 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4786 error
= xlate_send_packet(ofport
, oam
, packet
);
4788 ovs_mutex_lock(&ofproto
->stats_mutex
);
4789 ofproto
->stats
.tx_packets
++;
4790 ofproto
->stats
.tx_bytes
+= dp_packet_size(packet
);
4791 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4795 /* Return the version string of the datapath that backs up
4799 get_datapath_version(const struct ofproto
*ofproto_
)
4801 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4803 return ofproto
->backer
->dp_version_string
;
4807 type_set_config(const char *type
, const struct smap
*other_config
)
4809 struct dpif_backer
*backer
;
4811 backer
= shash_find_data(&all_dpif_backers
, type
);
4813 /* This is not necessarily a problem, since backers are only
4814 * created on demand. */
4818 dpif_set_config(backer
->dpif
, other_config
);
4822 ct_flush(const struct ofproto
*ofproto_
, const uint16_t *zone
)
4824 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4826 ct_dpif_flush(ofproto
->backer
->dpif
, zone
, NULL
);
4830 set_frag_handling(struct ofproto
*ofproto_
,
4831 enum ofputil_frag_handling frag_handling
)
4833 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4834 if (frag_handling
!= OFPUTIL_FRAG_REASM
) {
4835 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4843 nxt_resume(struct ofproto
*ofproto_
,
4844 const struct ofputil_packet_in_private
*pin
)
4846 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4848 /* Translate pin into datapath actions. */
4849 uint64_t odp_actions_stub
[1024 / 8];
4850 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
4851 enum slow_path_reason slow
;
4852 enum ofperr error
= xlate_resume(ofproto
, pin
, &odp_actions
, &slow
);
4854 /* Steal 'pin->packet' and put it into a dp_packet. */
4855 struct dp_packet packet
;
4856 dp_packet_init(&packet
, pin
->base
.packet_len
);
4857 dp_packet_put(&packet
, pin
->base
.packet
, pin
->base
.packet_len
);
4859 pkt_metadata_from_flow(&packet
.md
, &pin
->base
.flow_metadata
.flow
);
4861 /* Fix up in_port. */
4862 ofproto_dpif_set_packet_odp_port(ofproto
,
4863 pin
->base
.flow_metadata
.flow
.in_port
.ofp_port
,
4866 struct flow headers
;
4867 flow_extract(&packet
, &headers
);
4869 /* Execute the datapath actions on the packet. */
4870 struct dpif_execute execute
= {
4871 .actions
= odp_actions
.data
,
4872 .actions_len
= odp_actions
.size
,
4873 .needs_help
= (slow
& SLOW_ACTION
) != 0,
4877 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4880 ofpbuf_uninit(&odp_actions
);
4881 dp_packet_uninit(&packet
);
4889 set_netflow(struct ofproto
*ofproto_
,
4890 const struct netflow_options
*netflow_options
)
4892 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4894 if (netflow_options
) {
4895 if (!ofproto
->netflow
) {
4896 ofproto
->netflow
= netflow_create();
4897 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4899 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4900 } else if (ofproto
->netflow
) {
4901 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4902 netflow_unref(ofproto
->netflow
);
4903 ofproto
->netflow
= NULL
;
4910 get_netflow_ids(const struct ofproto
*ofproto_
,
4911 uint8_t *engine_type
, uint8_t *engine_id
)
4913 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4915 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4918 struct ofproto_dpif
*
4919 ofproto_dpif_lookup_by_name(const char *name
)
4921 struct ofproto_dpif
*ofproto
;
4923 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_by_name_node
,
4924 hash_string(name
, 0),
4925 &all_ofproto_dpifs_by_name
) {
4926 if (!strcmp(ofproto
->up
.name
, name
)) {
4933 struct ofproto_dpif
*
4934 ofproto_dpif_lookup_by_uuid(const struct uuid
*uuid
)
4936 struct ofproto_dpif
*ofproto
;
4938 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_by_uuid_node
,
4939 uuid_hash(uuid
), &all_ofproto_dpifs_by_uuid
) {
4940 if (uuid_equals(&ofproto
->uuid
, uuid
)) {
4948 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4949 const char *argv
[], void *aux OVS_UNUSED
)
4951 struct ofproto_dpif
*ofproto
;
4954 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
4956 unixctl_command_reply_error(conn
, "no such bridge");
4959 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4960 mac_learning_flush(ofproto
->ml
);
4961 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4963 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
4964 &all_ofproto_dpifs_by_name
) {
4965 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4966 mac_learning_flush(ofproto
->ml
);
4967 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4971 unixctl_command_reply(conn
, "table successfully flushed");
4975 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4976 const char *argv
[], void *aux OVS_UNUSED
)
4978 struct ofproto_dpif
*ofproto
;
4981 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
4983 unixctl_command_reply_error(conn
, "no such bridge");
4987 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4988 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4991 mcast_snooping_mdb_flush(ofproto
->ms
);
4993 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
4994 &all_ofproto_dpifs_by_name
) {
4995 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4998 mcast_snooping_mdb_flush(ofproto
->ms
);
5002 unixctl_command_reply(conn
, "table successfully flushed");
5005 static struct ofport_dpif
*
5006 ofbundle_get_a_port(const struct ofbundle
*bundle
)
5008 return CONTAINER_OF(ovs_list_front(&bundle
->ports
), struct ofport_dpif
,
5013 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5014 const char *argv
[], void *aux OVS_UNUSED
)
5016 struct ds ds
= DS_EMPTY_INITIALIZER
;
5017 const struct ofproto_dpif
*ofproto
;
5018 const struct mac_entry
*e
;
5020 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
5022 unixctl_command_reply_error(conn
, "no such bridge");
5026 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
5027 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
5028 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
5029 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
5030 char name
[OFP10_MAX_PORT_NAME_LEN
];
5032 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5033 NULL
, name
, sizeof name
);
5034 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
5035 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
5036 mac_entry_age(ofproto
->ml
, e
));
5038 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
5039 unixctl_command_reply(conn
, ds_cstr(&ds
));
5044 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
5045 int argc OVS_UNUSED
,
5047 void *aux OVS_UNUSED
)
5049 struct ds ds
= DS_EMPTY_INITIALIZER
;
5050 const struct ofproto_dpif
*ofproto
;
5051 const struct ofbundle
*bundle
;
5052 const struct mcast_group
*grp
;
5053 struct mcast_group_bundle
*b
;
5054 struct mcast_mrouter_bundle
*mrouter
;
5056 ofproto
= ofproto_dpif_lookup_by_name(argv
[1]);
5058 unixctl_command_reply_error(conn
, "no such bridge");
5062 if (!mcast_snooping_enabled(ofproto
->ms
)) {
5063 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
5067 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
5068 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
5069 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
5070 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
5071 char name
[OFP10_MAX_PORT_NAME_LEN
];
5074 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5075 NULL
, name
, sizeof name
);
5076 ds_put_format(&ds
, "%5s %4d ", name
, grp
->vlan
);
5077 ipv6_format_mapped(&grp
->addr
, &ds
);
5078 ds_put_format(&ds
, " %3d\n",
5079 mcast_bundle_age(ofproto
->ms
, b
));
5083 /* ports connected to multicast routers */
5084 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
5085 char name
[OFP10_MAX_PORT_NAME_LEN
];
5087 bundle
= mrouter
->port
;
5088 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5089 NULL
, name
, sizeof name
);
5090 ds_put_format(&ds
, "%5s %4d querier %3d\n",
5091 name
, mrouter
->vlan
,
5092 mcast_mrouter_age(ofproto
->ms
, mrouter
));
5094 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
5095 unixctl_command_reply(conn
, ds_cstr(&ds
));
5099 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5100 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5101 * to destroy 'ofproto_shash' and free the returned value. */
5102 static const struct shash_node
**
5103 get_ofprotos(struct shash
*ofproto_shash
)
5105 const struct ofproto_dpif
*ofproto
;
5107 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_by_name_node
,
5108 &all_ofproto_dpifs_by_name
) {
5109 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
5110 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
5113 return shash_sort(ofproto_shash
);
5117 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5118 const char *argv
[] OVS_UNUSED
,
5119 void *aux OVS_UNUSED
)
5121 struct ds ds
= DS_EMPTY_INITIALIZER
;
5122 struct shash ofproto_shash
;
5123 const struct shash_node
**sorted_ofprotos
;
5126 shash_init(&ofproto_shash
);
5127 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
5128 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5129 const struct shash_node
*node
= sorted_ofprotos
[i
];
5130 ds_put_format(&ds
, "%s\n", node
->name
);
5133 shash_destroy(&ofproto_shash
);
5134 free(sorted_ofprotos
);
5136 unixctl_command_reply(conn
, ds_cstr(&ds
));
5141 show_dp_feature_bool(struct ds
*ds
, const char *feature
, bool b
)
5143 ds_put_format(ds
, "%s: %s\n", feature
, b
? "Yes" : "No");
5147 show_dp_feature_size_t(struct ds
*ds
, const char *feature
, size_t s
)
5149 ds_put_format(ds
, "%s: %"PRIuSIZE
"\n", feature
, s
);
5152 enum dpif_support_field_type
{
5153 DPIF_SUPPORT_FIELD_bool
,
5154 DPIF_SUPPORT_FIELD_size_t
,
5157 struct dpif_support_field
{
5158 void *rt_ptr
; /* Points to the 'rt_support' field. */
5159 const void *bt_ptr
; /* Points to the 'bt_support' field. */
5161 enum dpif_support_field_type type
;
5164 #define DPIF_SUPPORT_FIELD_INTIALIZER(RT_PTR, BT_PTR, TITLE, TYPE) \
5165 (struct dpif_support_field) {RT_PTR, BT_PTR, TITLE, TYPE}
5168 dpif_show_support(const struct dpif_backer_support
*support
, struct ds
*ds
)
5170 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5171 show_dp_feature_##TYPE (ds, TITLE, support->NAME);
5173 #undef DPIF_SUPPORT_FIELD
5175 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5176 show_dp_feature_##TYPE (ds, TITLE, support->odp.NAME );
5178 #undef ODP_SUPPORT_FIELD
5182 display_support_field(const char *name
,
5183 const struct dpif_support_field
*field
,
5186 switch (field
->type
) {
5187 case DPIF_SUPPORT_FIELD_bool
: {
5188 bool v
= *(bool *)field
->rt_ptr
;
5189 bool b
= *(bool *)field
->bt_ptr
;
5190 ds_put_format(ds
, "%s (%s) : [run time]:%s, [boot time]:%s\n", name
,
5191 field
->title
, v
? "true" : "false",
5192 b
? "true" : "false");
5195 case DPIF_SUPPORT_FIELD_size_t
:
5196 ds_put_format(ds
, "%s (%s) : [run time]:%"PRIuSIZE
5197 ", [boot time]:%"PRIuSIZE
"\n", name
,
5198 field
->title
, *(size_t *)field
->rt_ptr
,
5199 *(size_t *)field
->bt_ptr
);
5206 /* Set a field of 'rt_support' to a new value.
5208 * Returns 'true' if the value is actually set. */
5210 dpif_set_support(struct dpif_backer_support
*rt_support
,
5211 struct dpif_backer_support
*bt_support
,
5212 const char *name
, const char *value
, struct ds
*ds
)
5214 struct shash all_fields
= SHASH_INITIALIZER(&all_fields
);
5215 struct dpif_support_field
*field
;
5216 struct shash_node
*node
;
5217 bool changed
= false;
5219 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5221 struct dpif_support_field *f = xmalloc(sizeof *f); \
5222 *f = DPIF_SUPPORT_FIELD_INTIALIZER(&rt_support->NAME, \
5223 &bt_support->NAME, \
5225 DPIF_SUPPORT_FIELD_##TYPE);\
5226 shash_add_once(&all_fields, #NAME, f); \
5228 DPIF_SUPPORT_FIELDS
;
5229 #undef DPIF_SUPPORT_FIELD
5231 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5233 struct dpif_support_field *f = xmalloc(sizeof *f); \
5234 *f = DPIF_SUPPORT_FIELD_INTIALIZER(&rt_support->odp.NAME, \
5235 &bt_support->odp.NAME, \
5237 DPIF_SUPPORT_FIELD_##TYPE);\
5238 shash_add_once(&all_fields, #NAME, f); \
5241 #undef ODP_SUPPORT_FIELD
5244 struct shash_node
*node
;
5246 SHASH_FOR_EACH (node
, &all_fields
) {
5247 display_support_field(node
->name
, node
->data
, ds
);
5252 node
= shash_find(&all_fields
, name
);
5254 ds_put_cstr(ds
, "Unexpected support field");
5260 display_support_field(node
->name
, field
, ds
);
5264 if (field
->type
== DPIF_SUPPORT_FIELD_bool
) {
5265 if (!strcasecmp(value
, "true")) {
5266 if (*(bool *)field
->bt_ptr
) {
5267 *(bool *)field
->rt_ptr
= true;
5270 ds_put_cstr(ds
, "Can not enable features not supported by the datapth");
5272 } else if (!strcasecmp(value
, "false")) {
5273 *(bool *)field
->rt_ptr
= false;
5276 ds_put_cstr(ds
, "Boolean value expected");
5278 } else if (field
->type
== DPIF_SUPPORT_FIELD_size_t
) {
5280 if (str_to_int(value
, 10, &v
)) {
5282 if (v
<= *(size_t *)field
->bt_ptr
) {
5283 *(size_t *)field
->rt_ptr
= v
;
5286 ds_put_cstr(ds
, "Can not set value beyond the datapath capability");
5289 ds_put_format(ds
, "Negative number not expected");
5292 ds_put_cstr(ds
, "Integer number expected");
5297 shash_destroy_free_data(&all_fields
);
5302 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
5304 const struct shash_node
**ofprotos
;
5305 struct dpif_dp_stats dp_stats
;
5306 struct shash ofproto_shash
;
5309 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
5310 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
5311 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
5313 shash_init(&ofproto_shash
);
5314 ofprotos
= get_ofprotos(&ofproto_shash
);
5315 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5316 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
5317 const struct shash_node
**ports
;
5320 if (ofproto
->backer
!= backer
) {
5324 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
5326 ports
= shash_sort(&ofproto
->up
.port_by_name
);
5327 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
5328 const struct shash_node
*node
= ports
[j
];
5329 struct ofport
*ofport
= node
->data
;
5331 odp_port_t odp_port
;
5333 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
5336 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
5337 if (odp_port
!= ODPP_NONE
) {
5338 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
5340 ds_put_cstr(ds
, "none:");
5343 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
5346 if (!netdev_get_config(ofport
->netdev
, &config
)) {
5347 const struct smap_node
**nodes
= smap_sort(&config
);
5348 for (size_t k
= 0; k
< smap_count(&config
); k
++) {
5349 ds_put_format(ds
, "%c %s=%s", k
? ',' : ':',
5350 nodes
[k
]->key
, nodes
[k
]->value
);
5354 smap_destroy(&config
);
5356 ds_put_char(ds
, ')');
5357 ds_put_char(ds
, '\n');
5361 shash_destroy(&ofproto_shash
);
5366 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5367 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
5369 struct ds ds
= DS_EMPTY_INITIALIZER
;
5370 const struct shash_node
**backers
;
5373 backers
= shash_sort(&all_dpif_backers
);
5374 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5375 dpif_show_backer(backers
[i
]->data
, &ds
);
5379 unixctl_command_reply(conn
, ds_cstr(&ds
));
5384 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
5385 int argc OVS_UNUSED
, const char *argv
[],
5386 void *aux OVS_UNUSED
)
5388 const struct ofproto_dpif
*ofproto
;
5390 struct ds ds
= DS_EMPTY_INITIALIZER
;
5392 struct dpif_flow_dump
*flow_dump
;
5393 struct dpif_flow_dump_thread
*flow_dump_thread
;
5397 ofproto
= ofproto_dpif_lookup_by_name(argv
[argc
- 1]);
5399 unixctl_command_reply_error(conn
, "no such bridge");
5403 bool verbosity
= false;
5405 bool set_names
= false;
5406 for (int i
= 1; i
< argc
- 1; i
++) {
5407 if (!strcmp(argv
[i
], "-m")) {
5409 } else if (!strcmp(argv
[i
], "--names")) {
5412 } else if (!strcmp(argv
[i
], "--no-names")) {
5421 struct hmap
*portno_names
= NULL
;
5423 portno_names
= xmalloc(sizeof *portno_names
);
5424 hmap_init(portno_names
);
5426 struct dpif_port dpif_port
;
5427 struct dpif_port_dump port_dump
;
5428 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5429 odp_portno_names_set(portno_names
, dpif_port
.port_no
,
5435 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false, NULL
);
5436 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5437 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5440 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5441 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5446 odp_format_ufid(&f
.ufid
, &ds
);
5447 ds_put_cstr(&ds
, " ");
5449 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5450 portno_names
, &ds
, verbosity
);
5451 ds_put_cstr(&ds
, ", ");
5452 dpif_flow_stats_format(&f
.stats
, &ds
);
5453 ds_put_cstr(&ds
, ", actions:");
5454 format_odp_actions(&ds
, f
.actions
, f
.actions_len
, portno_names
);
5455 ds_put_char(&ds
, '\n');
5457 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5458 error
= dpif_flow_dump_destroy(flow_dump
);
5462 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5463 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5465 unixctl_command_reply(conn
, ds_cstr(&ds
));
5468 odp_portno_names_destroy(portno_names
);
5469 hmap_destroy(portno_names
);
5476 ofproto_unixctl_dpif_show_dp_features(struct unixctl_conn
*conn
,
5477 int argc
, const char *argv
[],
5478 void *aux OVS_UNUSED
)
5480 struct ds ds
= DS_EMPTY_INITIALIZER
;
5481 const char *br
= argv
[argc
-1];
5482 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup_by_name(br
);
5485 unixctl_command_reply_error(conn
, "no such bridge");
5489 dpif_show_support(&ofproto
->backer
->bt_support
, &ds
);
5490 unixctl_command_reply(conn
, ds_cstr(&ds
));
5494 ofproto_unixctl_dpif_set_dp_features(struct unixctl_conn
*conn
,
5495 int argc
, const char *argv
[],
5496 void *aux OVS_UNUSED
)
5498 struct ds ds
= DS_EMPTY_INITIALIZER
;
5499 const char *br
= argv
[1];
5500 const char *name
, *value
;
5501 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup_by_name(br
);
5505 unixctl_command_reply_error(conn
, "no such bridge");
5509 name
= argc
> 2 ? argv
[2] : NULL
;
5510 value
= argc
> 3 ? argv
[3] : NULL
;
5511 changed
= dpif_set_support(&ofproto
->backer
->rt_support
,
5512 &ofproto
->backer
->bt_support
,
5515 xlate_set_support(ofproto
, &ofproto
->backer
->rt_support
);
5516 udpif_flush(ofproto
->backer
->udpif
);
5518 unixctl_command_reply(conn
, ds_cstr(&ds
));
5523 ofproto_unixctl_init(void)
5525 static bool registered
;
5531 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5532 ofproto_unixctl_fdb_flush
, NULL
);
5533 unixctl_command_register("fdb/show", "bridge", 1, 1,
5534 ofproto_unixctl_fdb_show
, NULL
);
5535 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5536 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5537 unixctl_command_register("mdb/show", "bridge", 1, 1,
5538 ofproto_unixctl_mcast_snooping_show
, NULL
);
5539 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5540 ofproto_unixctl_dpif_dump_dps
, NULL
);
5541 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5543 unixctl_command_register("dpif/show-dp-features", "bridge", 1, 1,
5544 ofproto_unixctl_dpif_show_dp_features
, NULL
);
5545 unixctl_command_register("dpif/dump-flows", "[-m] [--names | --no-nmaes] bridge", 1, INT_MAX
,
5546 ofproto_unixctl_dpif_dump_flows
, NULL
);
5547 unixctl_command_register("dpif/set-dp-features", "bridge", 1, 3 ,
5548 ofproto_unixctl_dpif_set_dp_features
, NULL
);
5552 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5554 const struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
5555 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5558 struct ofport_dpif
*
5559 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5561 struct ofport_dpif
*port
;
5563 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5564 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5565 &backer
->odp_to_ofport_map
) {
5566 if (port
->odp_port
== odp_port
) {
5567 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5572 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5577 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5579 struct ofport_dpif
*port
;
5581 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5582 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5583 return port
->up
.ofp_port
;
5590 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5591 const struct match
*match
, int priority
,
5592 uint16_t idle_timeout
,
5593 const struct ofpbuf
*ofpacts
,
5594 struct rule
**rulep
)
5596 struct ofputil_flow_mod fm
;
5597 struct rule_dpif
*rule
;
5600 fm
= (struct ofputil_flow_mod
) {
5601 .buffer_id
= UINT32_MAX
,
5603 .priority
= priority
,
5604 .table_id
= TBL_INTERNAL
,
5605 .command
= OFPFC_ADD
,
5606 .idle_timeout
= idle_timeout
,
5607 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5608 .ofpacts
= ofpacts
->data
,
5609 .ofpacts_len
= ofpacts
->size
,
5612 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5614 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5615 ofperr_to_string(error
));
5620 rule
= rule_dpif_lookup_in_table(ofproto
,
5621 ofproto_dpif_get_tables_version(ofproto
),
5622 TBL_INTERNAL
, &fm
.match
.flow
,
5633 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5634 struct match
*match
, int priority
)
5636 struct ofputil_flow_mod fm
;
5639 fm
= (struct ofputil_flow_mod
) {
5640 .buffer_id
= UINT32_MAX
,
5642 .priority
= priority
,
5643 .table_id
= TBL_INTERNAL
,
5644 .out_port
= OFPP_ANY
,
5645 .out_group
= OFPG_ANY
,
5646 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5647 .command
= OFPFC_DELETE_STRICT
,
5650 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5652 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5653 ofperr_to_string(error
));
5661 meter_get_features(const struct ofproto
*ofproto_
,
5662 struct ofputil_meter_features
*features
)
5664 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5666 dpif_meter_get_features(ofproto
->backer
->dpif
, features
);
5670 meter_set(struct ofproto
*ofproto_
, ofproto_meter_id
*meter_id
,
5671 struct ofputil_meter_config
*config
)
5673 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5675 /* Provider ID unknown. Use backer to allocate a new DP meter */
5676 if (meter_id
->uint32
== UINT32_MAX
) {
5677 if (!ofproto
->backer
->meter_ids
) {
5678 return EFBIG
; /* Datapath does not support meter. */
5681 if(!id_pool_alloc_id(ofproto
->backer
->meter_ids
, &meter_id
->uint32
)) {
5682 return ENOMEM
; /* Can't allocate a DP meter. */
5686 switch (dpif_meter_set(ofproto
->backer
->dpif
, meter_id
, config
)) {
5689 case EFBIG
: /* meter_id out of range */
5690 case ENOMEM
: /* Cannot allocate meter */
5691 return OFPERR_OFPMMFC_OUT_OF_METERS
;
5692 case EBADF
: /* Unsupported flags */
5693 return OFPERR_OFPMMFC_BAD_FLAGS
;
5694 case EINVAL
: /* Too many bands */
5695 return OFPERR_OFPMMFC_OUT_OF_BANDS
;
5696 case ENODEV
: /* Unsupported band type */
5697 return OFPERR_OFPMMFC_BAD_BAND
;
5698 case EDOM
: /* Rate must be non-zero */
5699 return OFPERR_OFPMMFC_BAD_RATE
;
5701 return OFPERR_OFPMMFC_UNKNOWN
;
5706 meter_get(const struct ofproto
*ofproto_
, ofproto_meter_id meter_id
,
5707 struct ofputil_meter_stats
*stats
, uint16_t n_bands
)
5709 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5711 if (!dpif_meter_get(ofproto
->backer
->dpif
, meter_id
, stats
, n_bands
)) {
5714 return OFPERR_OFPMMFC_UNKNOWN_METER
;
5717 struct free_meter_id_args
{
5718 struct ofproto_dpif
*ofproto
;
5719 ofproto_meter_id meter_id
;
5723 free_meter_id(struct free_meter_id_args
*args
)
5725 struct ofproto_dpif
*ofproto
= args
->ofproto
;
5727 dpif_meter_del(ofproto
->backer
->dpif
, args
->meter_id
, NULL
, 0);
5728 id_pool_free_id(ofproto
->backer
->meter_ids
, args
->meter_id
.uint32
);
5733 meter_del(struct ofproto
*ofproto_
, ofproto_meter_id meter_id
)
5735 struct free_meter_id_args
*arg
= xmalloc(sizeof *arg
);
5737 /* Before a meter can be deleted, Openflow spec requires all rules
5738 * referring to the meter to be (automatically) removed before the
5739 * meter is deleted. However, since vswitchd is multi-threaded,
5740 * those rules and their actions remain accessible by other threads,
5741 * especially by the handler and revalidator threads.
5742 * Postpone meter deletion after RCU grace period, so that ongoing
5743 * upcall translation or flow revalidation can complete. */
5744 arg
->ofproto
= ofproto_dpif_cast(ofproto_
);
5745 arg
->meter_id
= meter_id
;
5746 ovsrcu_postpone(free_meter_id
, arg
);
5749 const struct ofproto_class ofproto_dpif_class
= {
5763 NULL
, /* get_memory_usage. */
5764 type_get_memory_usage
,
5784 port_is_lacp_current
,
5785 port_get_lacp_stats
,
5786 NULL
, /* rule_choose_table */
5790 NULL
, /* rule_delete */
5795 packet_xlate_revert
,
5813 aa_vlan_get_queue_size
,
5820 get_stp_port_status
,
5825 get_rstp_port_status
,
5832 is_mirror_output_bundle
,
5833 forward_bpdu_changed
,
5834 set_mac_table_config
,
5836 set_mcast_snooping_port
,
5841 group_alloc
, /* group_alloc */
5842 group_construct
, /* group_construct */
5843 group_destruct
, /* group_destruct */
5844 group_dealloc
, /* group_dealloc */
5845 NULL
, /* group_modify */
5846 group_get_stats
, /* group_get_stats */
5847 get_datapath_version
, /* get_datapath_version */
5849 ct_flush
, /* ct_flush */