2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
23 #include "byte-order.h"
24 #include "connectivity.h"
29 #include "fail-open.h"
30 #include "guarded-list.h"
34 #include "mac-learning.h"
35 #include "mcast-snooping.h"
36 #include "multipath.h"
37 #include "netdev-vport.h"
42 #include "odp-execute.h"
43 #include "ofproto/ofproto-dpif.h"
44 #include "ofproto/ofproto-provider.h"
45 #include "ofproto-dpif-ipfix.h"
46 #include "ofproto-dpif-mirror.h"
47 #include "ofproto-dpif-monitor.h"
48 #include "ofproto-dpif-rid.h"
49 #include "ofproto-dpif-sflow.h"
50 #include "ofproto-dpif-trace.h"
51 #include "ofproto-dpif-upcall.h"
52 #include "ofproto-dpif-xlate.h"
53 #include "ofproto-dpif-xlate-cache.h"
54 #include "openvswitch/ofp-actions.h"
55 #include "openvswitch/dynamic-string.h"
56 #include "openvswitch/meta-flow.h"
57 #include "openvswitch/ofp-parse.h"
58 #include "openvswitch/ofp-print.h"
59 #include "openvswitch/ofp-util.h"
60 #include "openvswitch/ofpbuf.h"
61 #include "openvswitch/vlog.h"
64 #include "ovs-router.h"
65 #include "poll-loop.h"
71 #include "unaligned.h"
74 #include "vlan-bitmap.h"
76 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
78 COVERAGE_DEFINE(ofproto_dpif_expired
);
79 COVERAGE_DEFINE(packet_in_overflow
);
83 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
85 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
86 static void rule_expire(struct rule_dpif
*, long long now
);
89 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
90 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
91 void *aux
; /* Key supplied by ofproto's client. */
92 char *name
; /* Identifier for log messages. */
95 struct ovs_list ports
; /* Contains "struct ofport"s. */
96 enum port_vlan_mode vlan_mode
; /* VLAN mode */
97 uint16_t qinq_ethtype
;
98 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
99 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
100 * NULL if all VLANs are trunked. */
101 unsigned long *cvlans
;
102 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
103 struct bond
*bond
; /* Nonnull iff more than one port. */
104 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
106 bool protected; /* Protected port mode */
109 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
112 static void bundle_remove(struct ofport
*);
113 static void bundle_update(struct ofbundle
*);
114 static void bundle_destroy(struct ofbundle
*);
115 static void bundle_del_port(struct ofport_dpif
*);
116 static void bundle_run(struct ofbundle
*);
117 static void bundle_wait(struct ofbundle
*);
118 static void bundle_flush_macs(struct ofbundle
*, bool);
119 static void bundle_move(struct ofbundle
*, struct ofbundle
*);
121 static void stp_run(struct ofproto_dpif
*ofproto
);
122 static void stp_wait(struct ofproto_dpif
*ofproto
);
123 static int set_stp_port(struct ofport
*,
124 const struct ofproto_port_stp_settings
*);
126 static void rstp_run(struct ofproto_dpif
*ofproto
);
127 static void set_rstp_port(struct ofport
*,
128 const struct ofproto_port_rstp_settings
*);
131 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
135 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
136 struct ovs_list bundle_node
;/* In struct ofbundle's "ports" list. */
137 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
138 struct bfd
*bfd
; /* BFD, if any. */
139 struct lldp
*lldp
; /* lldp, if any. */
140 bool may_enable
; /* May be enabled in bonds. */
141 bool is_tunnel
; /* This port is a tunnel. */
142 long long int carrier_seq
; /* Carrier status changes. */
143 struct ofport_dpif
*peer
; /* Peer if patch port. */
146 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
147 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
148 long long int stp_state_entered
;
150 /* Rapid Spanning Tree. */
151 struct rstp_port
*rstp_port
; /* Rapid Spanning Tree Protocol, if any. */
152 enum rstp_state rstp_state
; /* Always RSTP_DISABLED if RSTP not in use. */
154 /* Queue to DSCP mapping. */
155 struct ofproto_port_queue
*qdscp
;
159 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
162 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
165 static struct ofport_dpif
*
166 ofport_dpif_cast(const struct ofport
*ofport
)
168 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
171 static void port_run(struct ofport_dpif
*);
172 static int set_bfd(struct ofport
*, const struct smap
*);
173 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
174 static int set_lldp(struct ofport
*ofport_
, const struct smap
*cfg
);
175 static void ofport_update_peer(struct ofport_dpif
*);
177 COVERAGE_DEFINE(rev_reconfigure
);
178 COVERAGE_DEFINE(rev_stp
);
179 COVERAGE_DEFINE(rev_rstp
);
180 COVERAGE_DEFINE(rev_bond
);
181 COVERAGE_DEFINE(rev_port_toggled
);
182 COVERAGE_DEFINE(rev_flow_table
);
183 COVERAGE_DEFINE(rev_mac_learning
);
184 COVERAGE_DEFINE(rev_mcast_snooping
);
186 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
187 struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
189 /* All existing ofproto_dpif instances, indexed by ->up.name. */
190 struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
192 static bool ofproto_use_tnl_push_pop
= true;
193 static void ofproto_unixctl_init(void);
195 static inline struct ofproto_dpif
*
196 ofproto_dpif_cast(const struct ofproto
*ofproto
)
198 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
199 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
202 /* Global variables. */
203 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
205 /* Initial mappings of port to bridge mappings. */
206 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
208 /* Initialize 'ofm' for a learn action. If the rule already existed, reference
209 * to that rule is taken, otherwise a new rule is created. 'ofm' keeps the
210 * rule reference in both cases. */
212 ofproto_dpif_flow_mod_init_for_learn(struct ofproto_dpif
*ofproto
,
213 const struct ofputil_flow_mod
*fm
,
214 struct ofproto_flow_mod
*ofm
)
216 /* This will not take the global 'ofproto_mutex'. */
217 return ofproto_flow_mod_init_for_learn(&ofproto
->up
, fm
, ofm
);
220 /* Appends 'am' to the queue of asynchronous messages to be sent to the
221 * controller. Takes ownership of 'am' and any data it points to. */
223 ofproto_dpif_send_async_msg(struct ofproto_dpif
*ofproto
,
224 struct ofproto_async_msg
*am
)
226 if (!guarded_list_push_back(&ofproto
->ams
, &am
->list_node
, 1024)) {
227 COVERAGE_INC(packet_in_overflow
);
228 ofproto_async_msg_free(am
);
231 /* Wakes up main thread for packet-in I/O. */
232 seq_change(ofproto
->ams_seq
);
235 /* Factory functions. */
238 init(const struct shash
*iface_hints
)
240 struct shash_node
*node
;
242 /* Make a local copy, since we don't own 'iface_hints' elements. */
243 SHASH_FOR_EACH(node
, iface_hints
) {
244 const struct iface_hint
*orig_hint
= node
->data
;
245 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
247 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
248 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
249 new_hint
->ofp_port
= orig_hint
->ofp_port
;
251 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
254 ofproto_unixctl_init();
255 ofproto_dpif_trace_init();
260 enumerate_types(struct sset
*types
)
262 dp_enumerate_types(types
);
266 enumerate_names(const char *type
, struct sset
*names
)
268 struct ofproto_dpif
*ofproto
;
271 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
272 if (strcmp(type
, ofproto
->up
.type
)) {
275 sset_add(names
, ofproto
->up
.name
);
282 del(const char *type
, const char *name
)
287 error
= dpif_open(name
, type
, &dpif
);
289 error
= dpif_delete(dpif
);
296 port_open_type(const char *datapath_type
, const char *port_type
)
298 return dpif_port_open_type(datapath_type
, port_type
);
301 /* Type functions. */
303 static void process_dpif_port_changes(struct dpif_backer
*);
304 static void process_dpif_all_ports_changed(struct dpif_backer
*);
305 static void process_dpif_port_change(struct dpif_backer
*,
306 const char *devname
);
307 static void process_dpif_port_error(struct dpif_backer
*, int error
);
309 static struct ofproto_dpif
*
310 lookup_ofproto_dpif_by_port_name(const char *name
)
312 struct ofproto_dpif
*ofproto
;
314 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
315 if (sset_contains(&ofproto
->ports
, name
)) {
324 type_run(const char *type
)
326 struct dpif_backer
*backer
;
328 backer
= shash_find_data(&all_dpif_backers
, type
);
330 /* This is not necessarily a problem, since backers are only
331 * created on demand. */
335 if (dpif_run(backer
->dpif
)) {
336 backer
->need_revalidate
= REV_RECONFIGURE
;
339 udpif_run(backer
->udpif
);
341 /* If vswitchd started with other_config:flow_restore_wait set as "true",
342 * and the configuration has now changed to "false", enable receiving
343 * packets from the datapath. */
344 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
347 backer
->recv_set_enable
= true;
349 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
351 VLOG_ERR("Failed to enable receiving packets in dpif.");
354 dpif_flow_flush(backer
->dpif
);
355 backer
->need_revalidate
= REV_RECONFIGURE
;
358 if (backer
->recv_set_enable
) {
359 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
362 if (backer
->need_revalidate
) {
363 struct ofproto_dpif
*ofproto
;
364 struct simap_node
*node
;
365 struct simap tmp_backers
;
367 /* Handle tunnel garbage collection. */
368 simap_init(&tmp_backers
);
369 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
371 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
372 struct ofport_dpif
*iter
;
374 if (backer
!= ofproto
->backer
) {
378 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
379 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
382 if (!iter
->is_tunnel
) {
386 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
387 namebuf
, sizeof namebuf
);
388 node
= simap_find(&tmp_backers
, dp_port
);
390 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
391 simap_delete(&tmp_backers
, node
);
392 node
= simap_find(&backer
->tnl_backers
, dp_port
);
394 node
= simap_find(&backer
->tnl_backers
, dp_port
);
396 odp_port_t odp_port
= ODPP_NONE
;
398 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
400 simap_put(&backer
->tnl_backers
, dp_port
,
401 odp_to_u32(odp_port
));
402 node
= simap_find(&backer
->tnl_backers
, dp_port
);
407 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
408 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
410 ovs_native_tunneling_is_on(ofproto
), dp_port
)) {
411 backer
->need_revalidate
= REV_RECONFIGURE
;
416 SIMAP_FOR_EACH (node
, &tmp_backers
) {
417 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
419 simap_destroy(&tmp_backers
);
421 switch (backer
->need_revalidate
) {
422 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
423 case REV_STP
: COVERAGE_INC(rev_stp
); break;
424 case REV_RSTP
: COVERAGE_INC(rev_rstp
); break;
425 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
426 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
427 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
428 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
429 case REV_MCAST_SNOOPING
: COVERAGE_INC(rev_mcast_snooping
); break;
431 backer
->need_revalidate
= 0;
434 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
435 struct ofport_dpif
*ofport
;
436 struct ofbundle
*bundle
;
438 if (ofproto
->backer
!= backer
) {
442 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
443 ofproto
->backer
->dpif
, ofproto
->ml
,
444 ofproto
->stp
, ofproto
->rstp
, ofproto
->ms
,
445 ofproto
->mbridge
, ofproto
->sflow
, ofproto
->ipfix
,
447 ofproto
->up
.forward_bpdu
,
448 connmgr_has_in_band(ofproto
->up
.connmgr
),
449 &ofproto
->backer
->support
);
451 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
452 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
453 bundle
->vlan_mode
, bundle
->qinq_ethtype
,
454 bundle
->vlan
, bundle
->trunks
, bundle
->cvlans
,
455 bundle
->use_priority_tags
,
456 bundle
->bond
, bundle
->lacp
,
457 bundle
->floodable
, bundle
->protected);
460 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
461 int stp_port
= ofport
->stp_port
462 ? stp_port_no(ofport
->stp_port
)
464 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
465 ofport
->up
.ofp_port
, ofport
->odp_port
,
466 ofport
->up
.netdev
, ofport
->cfm
, ofport
->bfd
,
467 ofport
->lldp
, ofport
->peer
, stp_port
,
468 ofport
->rstp_port
, ofport
->qdscp
,
469 ofport
->n_qdscp
, ofport
->up
.pp
.config
,
470 ofport
->up
.pp
.state
, ofport
->is_tunnel
,
476 udpif_revalidate(backer
->udpif
);
479 process_dpif_port_changes(backer
);
484 /* Check for and handle port changes in 'backer''s dpif. */
486 process_dpif_port_changes(struct dpif_backer
*backer
)
492 error
= dpif_port_poll(backer
->dpif
, &devname
);
498 process_dpif_all_ports_changed(backer
);
502 process_dpif_port_change(backer
, devname
);
507 process_dpif_port_error(backer
, error
);
514 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
516 struct ofproto_dpif
*ofproto
;
517 struct dpif_port dpif_port
;
518 struct dpif_port_dump dump
;
519 struct sset devnames
;
522 sset_init(&devnames
);
523 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
524 if (ofproto
->backer
== backer
) {
525 struct ofport
*ofport
;
527 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
528 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
532 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
533 sset_add(&devnames
, dpif_port
.name
);
536 SSET_FOR_EACH (devname
, &devnames
) {
537 process_dpif_port_change(backer
, devname
);
539 sset_destroy(&devnames
);
543 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
545 struct ofproto_dpif
*ofproto
;
546 struct dpif_port port
;
548 /* Don't report on the datapath's device. */
549 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
553 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
554 &all_ofproto_dpifs
) {
555 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
560 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
561 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
562 /* The port was removed. If we know the datapath,
563 * report it through poll_set(). If we don't, it may be
564 * notifying us of a removal we initiated, so ignore it.
565 * If there's a pending ENOBUFS, let it stand, since
566 * everything will be reevaluated. */
567 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
568 sset_add(&ofproto
->port_poll_set
, devname
);
569 ofproto
->port_poll_errno
= 0;
571 } else if (!ofproto
) {
572 /* The port was added, but we don't know with which
573 * ofproto we should associate it. Delete it. */
574 dpif_port_del(backer
->dpif
, port
.port_no
);
576 struct ofport_dpif
*ofport
;
578 ofport
= ofport_dpif_cast(shash_find_data(
579 &ofproto
->up
.port_by_name
, devname
));
581 && ofport
->odp_port
!= port
.port_no
582 && !odp_port_to_ofport(backer
, port
.port_no
))
584 /* 'ofport''s datapath port number has changed from
585 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
586 * structures to match. */
587 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
588 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
589 ofport
->odp_port
= port
.port_no
;
590 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
591 hash_odp_port(port
.port_no
));
592 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
593 backer
->need_revalidate
= REV_RECONFIGURE
;
596 dpif_port_destroy(&port
);
599 /* Propagate 'error' to all ofprotos based on 'backer'. */
601 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
603 struct ofproto_dpif
*ofproto
;
605 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
606 if (ofproto
->backer
== backer
) {
607 sset_clear(&ofproto
->port_poll_set
);
608 ofproto
->port_poll_errno
= error
;
614 type_wait(const char *type
)
616 struct dpif_backer
*backer
;
618 backer
= shash_find_data(&all_dpif_backers
, type
);
620 /* This is not necessarily a problem, since backers are only
621 * created on demand. */
625 dpif_wait(backer
->dpif
);
628 /* Basic life-cycle. */
630 static int add_internal_flows(struct ofproto_dpif
*);
632 static struct ofproto
*
635 struct ofproto_dpif
*ofproto
= xzalloc(sizeof *ofproto
);
640 dealloc(struct ofproto
*ofproto_
)
642 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
647 close_dpif_backer(struct dpif_backer
*backer
, bool del
)
649 ovs_assert(backer
->refcount
> 0);
651 if (--backer
->refcount
) {
655 udpif_destroy(backer
->udpif
);
657 simap_destroy(&backer
->tnl_backers
);
658 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
659 hmap_destroy(&backer
->odp_to_ofport_map
);
660 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
662 free(backer
->dp_version_string
);
664 dpif_delete(backer
->dpif
);
666 dpif_close(backer
->dpif
);
667 id_pool_destroy(backer
->meter_ids
);
671 /* Datapath port slated for removal from datapath. */
673 struct ovs_list list_node
;
677 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
678 static void check_support(struct dpif_backer
*backer
);
681 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
683 struct dpif_backer
*backer
;
684 struct dpif_port_dump port_dump
;
685 struct dpif_port port
;
686 struct shash_node
*node
;
687 struct ovs_list garbage_list
;
688 struct odp_garbage
*garbage
;
695 backer
= shash_find_data(&all_dpif_backers
, type
);
702 backer_name
= xasprintf("ovs-%s", type
);
704 /* Remove any existing datapaths, since we assume we're the only
705 * userspace controlling the datapath. */
707 dp_enumerate_names(type
, &names
);
708 SSET_FOR_EACH(name
, &names
) {
709 struct dpif
*old_dpif
;
711 /* Don't remove our backer if it exists. */
712 if (!strcmp(name
, backer_name
)) {
716 if (dpif_open(name
, type
, &old_dpif
)) {
717 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
719 dpif_delete(old_dpif
);
720 dpif_close(old_dpif
);
723 sset_destroy(&names
);
725 backer
= xmalloc(sizeof *backer
);
727 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
730 VLOG_ERR("failed to open datapath of type %s: %s", type
,
731 ovs_strerror(error
));
735 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
737 backer
->type
= xstrdup(type
);
738 backer
->refcount
= 1;
739 hmap_init(&backer
->odp_to_ofport_map
);
740 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
741 backer
->need_revalidate
= 0;
742 simap_init(&backer
->tnl_backers
);
743 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
746 if (backer
->recv_set_enable
) {
747 dpif_flow_flush(backer
->dpif
);
750 /* Loop through the ports already on the datapath and remove any
751 * that we don't need anymore. */
752 ovs_list_init(&garbage_list
);
753 dpif_port_dump_start(&port_dump
, backer
->dpif
);
754 while (dpif_port_dump_next(&port_dump
, &port
)) {
755 node
= shash_find(&init_ofp_ports
, port
.name
);
756 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
757 garbage
= xmalloc(sizeof *garbage
);
758 garbage
->odp_port
= port
.port_no
;
759 ovs_list_push_front(&garbage_list
, &garbage
->list_node
);
762 dpif_port_dump_done(&port_dump
);
764 LIST_FOR_EACH_POP (garbage
, list_node
, &garbage_list
) {
765 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
769 shash_add(&all_dpif_backers
, type
, backer
);
771 check_support(backer
);
772 atomic_count_init(&backer
->tnl_count
, 0);
774 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
776 VLOG_ERR("failed to listen on datapath of type %s: %s",
777 type
, ovs_strerror(error
));
778 close_dpif_backer(backer
, false);
782 if (backer
->recv_set_enable
) {
783 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
786 /* This check fails if performed before udpif threads have been set,
787 * as the kernel module checks that the 'pid' in userspace action
789 backer
->support
.variable_length_userdata
790 = check_variable_length_userdata(backer
);
791 backer
->dp_version_string
= dpif_get_dp_version(backer
->dpif
);
793 /* Manage Datapath meter IDs if supported. */
794 struct ofputil_meter_features features
;
795 dpif_meter_get_features(backer
->dpif
, &features
);
796 if (features
.max_meters
) {
797 backer
->meter_ids
= id_pool_create(0, features
.max_meters
);
799 backer
->meter_ids
= NULL
;
806 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
808 return ofproto_use_tnl_push_pop
&& ofproto
->backer
->support
.tnl_push_pop
&&
809 atomic_count_get(&ofproto
->backer
->tnl_count
);
812 /* Tests whether 'backer''s datapath supports recirculation. Only newer
813 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
814 * features on older datapaths that don't support this feature.
816 * Returns false if 'backer' definitely does not support recirculation, true if
817 * it seems to support recirculation or if at least the error we get is
820 check_recirc(struct dpif_backer
*backer
)
823 struct odputil_keybuf keybuf
;
826 struct odp_flow_key_parms odp_parms
= {
833 memset(&flow
, 0, sizeof flow
);
837 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
838 odp_flow_key_from_flow(&odp_parms
, &key
);
839 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
843 VLOG_INFO("%s: Datapath supports recirculation",
844 dpif_name(backer
->dpif
));
846 VLOG_INFO("%s: Datapath does not support recirculation",
847 dpif_name(backer
->dpif
));
850 return enable_recirc
;
853 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
854 * some flow attributes for datapaths that support this feature.
856 * Returns true if 'dpif' supports UFID for flow operations.
857 * Returns false if 'dpif' does not support UFID. */
859 check_ufid(struct dpif_backer
*backer
)
862 struct odputil_keybuf keybuf
;
866 struct odp_flow_key_parms odp_parms
= {
870 memset(&flow
, 0, sizeof flow
);
871 flow
.dl_type
= htons(0x1234);
873 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
874 odp_flow_key_from_flow(&odp_parms
, &key
);
875 dpif_flow_hash(backer
->dpif
, key
.data
, key
.size
, &ufid
);
877 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, NULL
, &ufid
);
880 VLOG_INFO("%s: Datapath supports unique flow ids",
881 dpif_name(backer
->dpif
));
883 VLOG_INFO("%s: Datapath does not support unique flow ids",
884 dpif_name(backer
->dpif
));
889 /* Tests whether 'backer''s datapath supports variable-length
890 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
891 * to disable some features on older datapaths that don't support this
894 * Returns false if 'backer' definitely does not support variable-length
895 * userdata, true if it seems to support them or if at least the error we get
898 check_variable_length_userdata(struct dpif_backer
*backer
)
900 struct eth_header
*eth
;
901 struct ofpbuf actions
;
902 struct dpif_execute execute
;
903 struct dp_packet packet
;
908 /* Compose a userspace action that will cause an ERANGE error on older
909 * datapaths that don't support variable-length userdata.
911 * We really test for using userdata longer than 8 bytes, but older
912 * datapaths accepted these, silently truncating the userdata to 8 bytes.
913 * The same older datapaths rejected userdata shorter than 8 bytes, so we
914 * test for that instead as a proxy for longer userdata support. */
915 ofpbuf_init(&actions
, 64);
916 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
917 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
918 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
919 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
920 nl_msg_end_nested(&actions
, start
);
922 /* Compose a dummy ethernet packet. */
923 dp_packet_init(&packet
, ETH_HEADER_LEN
);
924 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
925 eth
->eth_type
= htons(0x1234);
927 flow_extract(&packet
, &flow
);
929 /* Execute the actions. On older datapaths this fails with ERANGE, on
930 * newer datapaths it succeeds. */
931 execute
.actions
= actions
.data
;
932 execute
.actions_len
= actions
.size
;
933 execute
.packet
= &packet
;
934 execute
.flow
= &flow
;
935 execute
.needs_help
= false;
936 execute
.probe
= true;
939 error
= dpif_execute(backer
->dpif
, &execute
);
941 dp_packet_uninit(&packet
);
942 ofpbuf_uninit(&actions
);
949 /* Variable-length userdata is not supported. */
950 VLOG_WARN("%s: datapath does not support variable-length userdata "
951 "feature (needs Linux 3.10+ or kernel module from OVS "
952 "1..11+). The NXAST_SAMPLE action will be ignored.",
953 dpif_name(backer
->dpif
));
957 /* Something odd happened. We're not sure whether variable-length
958 * userdata is supported. Default to "yes". */
959 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
960 dpif_name(backer
->dpif
), ovs_strerror(error
));
965 /* Tests number of 802.1q VLAN headers supported by 'backer''s datapath.
967 * Returns the number of elements in a struct flow's vlan
968 * if the datapath supports at least that many VLAN headers. */
970 check_max_vlan_headers(struct dpif_backer
*backer
)
973 struct odp_flow_key_parms odp_parms
= {
979 memset(&flow
, 0, sizeof flow
);
980 flow
.dl_type
= htons(ETH_TYPE_IP
);
981 for (n
= 0; n
< FLOW_MAX_VLAN_HEADERS
; n
++) {
982 struct odputil_keybuf keybuf
;
985 flow_push_vlan_uninit(&flow
, NULL
);
986 flow
.vlans
[0].tpid
= htons(ETH_TYPE_VLAN
);
987 flow
.vlans
[0].tci
= htons(1) | htons(VLAN_CFI
);
989 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
990 odp_flow_key_from_flow(&odp_parms
, &key
);
991 if (!dpif_probe_feature(backer
->dpif
, "VLAN", &key
, NULL
, NULL
)) {
996 VLOG_INFO("%s: VLAN header stack length probed as %d",
997 dpif_name(backer
->dpif
), n
);
1000 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1002 * Returns the number of elements in a struct flow's mpls_lse field
1003 * if the datapath supports at least that many entries in an
1005 * Otherwise returns the number of MPLS push actions supported by
1008 check_max_mpls_depth(struct dpif_backer
*backer
)
1013 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1014 struct odputil_keybuf keybuf
;
1016 struct odp_flow_key_parms odp_parms
= {
1020 memset(&flow
, 0, sizeof flow
);
1021 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1022 flow_set_mpls_bos(&flow
, n
, 1);
1024 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1025 odp_flow_key_from_flow(&odp_parms
, &key
);
1026 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
, NULL
)) {
1031 VLOG_INFO("%s: MPLS label stack length probed as %d",
1032 dpif_name(backer
->dpif
), n
);
1037 add_sample_actions(struct ofpbuf
*actions
, int nesting
)
1040 nl_msg_put_odp_port(actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1044 size_t start
, actions_start
;
1046 start
= nl_msg_start_nested(actions
, OVS_ACTION_ATTR_SAMPLE
);
1047 actions_start
= nl_msg_start_nested(actions
, OVS_SAMPLE_ATTR_ACTIONS
);
1048 add_sample_actions(actions
, nesting
- 1);
1049 nl_msg_end_nested(actions
, actions_start
);
1050 nl_msg_put_u32(actions
, OVS_SAMPLE_ATTR_PROBABILITY
, UINT32_MAX
);
1051 nl_msg_end_nested(actions
, start
);
1054 /* Tests the nested sample actions levels supported by 'backer''s datapath.
1056 * Returns the number of nested sample actions accepted by the datapath. */
1058 check_max_sample_nesting(struct dpif_backer
*backer
)
1060 struct odputil_keybuf keybuf
;
1065 struct odp_flow_key_parms odp_parms
= {
1069 memset(&flow
, 0, sizeof flow
);
1070 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1071 odp_flow_key_from_flow(&odp_parms
, &key
);
1073 /* OVS datapath has always supported at least 3 nested levels. */
1074 for (n
= 3; n
< FLOW_MAX_SAMPLE_NESTING
; n
++) {
1075 struct ofpbuf actions
;
1078 ofpbuf_init(&actions
, 300);
1079 add_sample_actions(&actions
, n
);
1080 ok
= dpif_probe_feature(backer
->dpif
, "Sample action nesting", &key
,
1082 ofpbuf_uninit(&actions
);
1088 VLOG_INFO("%s: Max sample nesting level probed as %d",
1089 dpif_name(backer
->dpif
), n
);
1093 /* Tests whether 'backer''s datapath supports masked data in
1094 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1095 * datapaths that don't support this feature. */
1097 check_masked_set_action(struct dpif_backer
*backer
)
1099 struct eth_header
*eth
;
1100 struct ofpbuf actions
;
1101 struct dpif_execute execute
;
1102 struct dp_packet packet
;
1105 struct ovs_key_ethernet key
, mask
;
1107 /* Compose a set action that will cause an EINVAL error on older
1108 * datapaths that don't support masked set actions.
1109 * Avoid using a full mask, as it could be translated to a non-masked
1110 * set action instead. */
1111 ofpbuf_init(&actions
, 64);
1112 memset(&key
, 0x53, sizeof key
);
1113 memset(&mask
, 0x7f, sizeof mask
);
1114 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1117 /* Compose a dummy ethernet packet. */
1118 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1119 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1120 eth
->eth_type
= htons(0x1234);
1122 flow_extract(&packet
, &flow
);
1124 /* Execute the actions. On older datapaths this fails with EINVAL, on
1125 * newer datapaths it succeeds. */
1126 execute
.actions
= actions
.data
;
1127 execute
.actions_len
= actions
.size
;
1128 execute
.packet
= &packet
;
1129 execute
.flow
= &flow
;
1130 execute
.needs_help
= false;
1131 execute
.probe
= true;
1134 error
= dpif_execute(backer
->dpif
, &execute
);
1136 dp_packet_uninit(&packet
);
1137 ofpbuf_uninit(&actions
);
1140 /* Masked set action is not supported. */
1141 VLOG_INFO("%s: datapath does not support masked set action feature.",
1142 dpif_name(backer
->dpif
));
1147 /* Tests whether 'backer''s datapath supports truncation of a packet in
1148 * OVS_ACTION_ATTR_TRUNC. We need to disable some features on older
1149 * datapaths that don't support this feature. */
1151 check_trunc_action(struct dpif_backer
*backer
)
1153 struct eth_header
*eth
;
1154 struct ofpbuf actions
;
1155 struct dpif_execute execute
;
1156 struct dp_packet packet
;
1157 struct ovs_action_trunc
*trunc
;
1161 /* Compose an action with output(port:1,
1162 * max_len:OVS_ACTION_OUTPUT_MIN + 1).
1163 * This translates to one truncate action and one output action. */
1164 ofpbuf_init(&actions
, 64);
1165 trunc
= nl_msg_put_unspec_uninit(&actions
,
1166 OVS_ACTION_ATTR_TRUNC
, sizeof *trunc
);
1168 trunc
->max_len
= ETH_HEADER_LEN
+ 1;
1169 nl_msg_put_odp_port(&actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1171 /* Compose a dummy Ethernet packet. */
1172 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1173 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1174 eth
->eth_type
= htons(0x1234);
1176 flow_extract(&packet
, &flow
);
1178 /* Execute the actions. On older datapaths this fails with EINVAL, on
1179 * newer datapaths it succeeds. */
1180 execute
.actions
= actions
.data
;
1181 execute
.actions_len
= actions
.size
;
1182 execute
.packet
= &packet
;
1183 execute
.flow
= &flow
;
1184 execute
.needs_help
= false;
1185 execute
.probe
= true;
1188 error
= dpif_execute(backer
->dpif
, &execute
);
1190 dp_packet_uninit(&packet
);
1191 ofpbuf_uninit(&actions
);
1194 VLOG_INFO("%s: Datapath does not support truncate action",
1195 dpif_name(backer
->dpif
));
1197 VLOG_INFO("%s: Datapath supports truncate action",
1198 dpif_name(backer
->dpif
));
1204 /* Tests whether 'backer''s datapath supports the clone action
1205 * OVS_ACTION_ATTR_CLONE. */
1207 check_clone(struct dpif_backer
*backer
)
1209 struct dpif_execute execute
;
1210 struct eth_header
*eth
;
1212 struct dp_packet packet
;
1213 struct ofpbuf actions
;
1217 /* Compose clone with an empty action list.
1218 * and check if datapath can decode the message. */
1219 ofpbuf_init(&actions
, 64);
1220 clone_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CLONE
);
1221 nl_msg_end_nested(&actions
, clone_start
);
1223 /* Compose a dummy Ethernet packet. */
1224 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1225 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1226 eth
->eth_type
= htons(0x1234);
1228 flow_extract(&packet
, &flow
);
1230 /* Execute the actions. On older datapaths this fails with EINVAL, on
1231 * newer datapaths it succeeds. */
1232 execute
.actions
= actions
.data
;
1233 execute
.actions_len
= actions
.size
;
1234 execute
.packet
= &packet
;
1235 execute
.flow
= &flow
;
1236 execute
.needs_help
= false;
1237 execute
.probe
= true;
1240 error
= dpif_execute(backer
->dpif
, &execute
);
1242 dp_packet_uninit(&packet
);
1243 ofpbuf_uninit(&actions
);
1246 VLOG_INFO("%s: Datapath does not support clone action",
1247 dpif_name(backer
->dpif
));
1249 VLOG_INFO("%s: Datapath supports clone action",
1250 dpif_name(backer
->dpif
));
1256 /* Tests whether 'backer''s datapath supports the OVS_CT_ATTR_EVENTMASK
1257 * attribute in OVS_ACTION_ATTR_CT. */
1259 check_ct_eventmask(struct dpif_backer
*backer
)
1261 struct dpif_execute execute
;
1262 struct dp_packet packet
;
1263 struct ofpbuf actions
;
1264 struct flow flow
= {
1265 .dl_type
= CONSTANT_HTONS(ETH_TYPE_IP
),
1266 .nw_proto
= IPPROTO_UDP
,
1268 /* Use the broadcast address on the loopback address range 127/8 to
1269 * avoid hitting any real conntrack entries. We leave the UDP ports to
1270 * zeroes for the same purpose. */
1271 .nw_src
= CONSTANT_HTONL(0x7fffffff),
1272 .nw_dst
= CONSTANT_HTONL(0x7fffffff),
1277 /* Compose CT action with eventmask attribute and check if datapath can
1278 * decode the message. */
1279 ofpbuf_init(&actions
, 64);
1280 ct_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CT
);
1281 /* Eventmask has no effect without the commit flag, but currently the
1282 * datapath will accept an eventmask even without commit. This is useful
1283 * as we do not want to persist the probe connection in the conntrack
1285 nl_msg_put_u32(&actions
, OVS_CT_ATTR_EVENTMASK
, ~0);
1286 nl_msg_end_nested(&actions
, ct_start
);
1288 /* Compose a dummy UDP packet. */
1289 dp_packet_init(&packet
, 0);
1290 flow_compose(&packet
, &flow
, 0);
1292 /* Execute the actions. On older datapaths this fails with EINVAL, on
1293 * newer datapaths it succeeds. */
1294 execute
.actions
= actions
.data
;
1295 execute
.actions_len
= actions
.size
;
1296 execute
.packet
= &packet
;
1297 execute
.flow
= &flow
;
1298 execute
.needs_help
= false;
1299 execute
.probe
= true;
1302 error
= dpif_execute(backer
->dpif
, &execute
);
1304 dp_packet_uninit(&packet
);
1305 ofpbuf_uninit(&actions
);
1308 VLOG_INFO("%s: Datapath does not support eventmask in conntrack action",
1309 dpif_name(backer
->dpif
));
1311 VLOG_INFO("%s: Datapath supports eventmask in conntrack action",
1312 dpif_name(backer
->dpif
));
1318 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE, ETHTYPE) \
1320 check_##NAME(struct dpif_backer *backer) \
1323 struct odputil_keybuf keybuf; \
1324 struct ofpbuf key; \
1326 struct odp_flow_key_parms odp_parms = { \
1333 memset(&flow, 0, sizeof flow); \
1334 flow.FIELD = VALUE; \
1335 flow.dl_type = htons(ETHTYPE); \
1337 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1338 odp_flow_key_from_flow(&odp_parms, &key); \
1339 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL, NULL); \
1342 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1344 VLOG_INFO("%s: Datapath does not support "#NAME, \
1345 dpif_name(backer->dpif)); \
1350 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1, \
1353 CHECK_FEATURE(ct_state
)
1354 CHECK_FEATURE(ct_zone
)
1355 CHECK_FEATURE(ct_mark
)
1356 CHECK_FEATURE__(ct_label
, ct_label
, ct_label
.u64
.lo
, 1, ETH_TYPE_IP
)
1357 CHECK_FEATURE__(ct_state_nat
, ct_state
, ct_state
, \
1358 CS_TRACKED
|CS_SRC_NAT
, ETH_TYPE_IP
)
1359 CHECK_FEATURE__(ct_orig_tuple
, ct_orig_tuple
, ct_nw_proto
, 1, ETH_TYPE_IP
)
1360 CHECK_FEATURE__(ct_orig_tuple6
, ct_orig_tuple6
, ct_nw_proto
, 1, ETH_TYPE_IPV6
)
1362 #undef CHECK_FEATURE
1363 #undef CHECK_FEATURE__
1366 check_support(struct dpif_backer
*backer
)
1368 /* This feature needs to be tested after udpif threads are set. */
1369 backer
->support
.variable_length_userdata
= false;
1372 backer
->support
.odp
.recirc
= check_recirc(backer
);
1373 backer
->support
.odp
.max_vlan_headers
= check_max_vlan_headers(backer
);
1374 backer
->support
.odp
.max_mpls_depth
= check_max_mpls_depth(backer
);
1375 backer
->support
.masked_set_action
= check_masked_set_action(backer
);
1376 backer
->support
.trunc
= check_trunc_action(backer
);
1377 backer
->support
.ufid
= check_ufid(backer
);
1378 backer
->support
.tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1379 backer
->support
.clone
= check_clone(backer
);
1380 backer
->support
.sample_nesting
= check_max_sample_nesting(backer
);
1381 backer
->support
.ct_eventmask
= check_ct_eventmask(backer
);
1384 backer
->support
.odp
.ct_state
= check_ct_state(backer
);
1385 backer
->support
.odp
.ct_zone
= check_ct_zone(backer
);
1386 backer
->support
.odp
.ct_mark
= check_ct_mark(backer
);
1387 backer
->support
.odp
.ct_label
= check_ct_label(backer
);
1389 backer
->support
.odp
.ct_state_nat
= check_ct_state_nat(backer
);
1390 backer
->support
.odp
.ct_orig_tuple
= check_ct_orig_tuple(backer
);
1391 backer
->support
.odp
.ct_orig_tuple6
= check_ct_orig_tuple6(backer
);
1395 construct(struct ofproto
*ofproto_
)
1397 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1398 struct shash_node
*node
, *next
;
1401 /* Tunnel module can get used right after the udpif threads are running. */
1402 ofproto_tunnel_init();
1404 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1409 uuid_generate(&ofproto
->uuid
);
1410 atomic_init(&ofproto
->tables_version
, OVS_VERSION_MIN
);
1411 ofproto
->netflow
= NULL
;
1412 ofproto
->sflow
= NULL
;
1413 ofproto
->ipfix
= NULL
;
1414 ofproto
->stp
= NULL
;
1415 ofproto
->rstp
= NULL
;
1416 ofproto
->dump_seq
= 0;
1417 hmap_init(&ofproto
->bundles
);
1418 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1420 ofproto
->mbridge
= mbridge_create();
1421 ofproto
->has_bonded_bundles
= false;
1422 ofproto
->lacp_enabled
= false;
1423 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1425 guarded_list_init(&ofproto
->ams
);
1427 sset_init(&ofproto
->ports
);
1428 sset_init(&ofproto
->ghost_ports
);
1429 sset_init(&ofproto
->port_poll_set
);
1430 ofproto
->port_poll_errno
= 0;
1431 ofproto
->change_seq
= 0;
1432 ofproto
->ams_seq
= seq_create();
1433 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1436 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1437 struct iface_hint
*iface_hint
= node
->data
;
1439 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1440 /* Check if the datapath already has this port. */
1441 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1442 sset_add(&ofproto
->ports
, node
->name
);
1445 free(iface_hint
->br_name
);
1446 free(iface_hint
->br_type
);
1448 shash_delete(&init_ofp_ports
, node
);
1452 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1453 hash_string(ofproto
->up
.name
, 0));
1454 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1456 ofproto_init_tables(ofproto_
, N_TABLES
);
1457 error
= add_internal_flows(ofproto
);
1459 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1465 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1466 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1472 match_init_catchall(&match
);
1473 match_set_reg(&match
, 0, id
);
1475 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1477 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1483 add_internal_flows(struct ofproto_dpif
*ofproto
)
1485 struct ofpact_controller
*controller
;
1486 uint64_t ofpacts_stub
[128 / 8];
1487 struct ofpbuf ofpacts
;
1488 struct rule
*unused_rulep OVS_UNUSED
;
1493 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1496 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1497 controller
->max_len
= UINT16_MAX
;
1498 controller
->controller_id
= 0;
1499 controller
->reason
= OFPR_IMPLICIT_MISS
;
1500 ofpact_finish_CONTROLLER(&ofpacts
, &controller
);
1502 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1503 &ofproto
->miss_rule
);
1508 ofpbuf_clear(&ofpacts
);
1509 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1510 &ofproto
->no_packet_in_rule
);
1515 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1516 &ofproto
->drop_frags_rule
);
1521 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1522 * zero when reaching this rule.
1524 * (priority=2), recirc_id=0, actions=drop
1526 ofpbuf_clear(&ofpacts
);
1527 match_init_catchall(&match
);
1528 match_set_recirc_id(&match
, 0);
1529 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1535 destruct(struct ofproto
*ofproto_
, bool del
)
1537 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1538 struct ofproto_async_msg
*am
;
1539 struct rule_dpif
*rule
;
1540 struct oftable
*table
;
1541 struct ovs_list ams
;
1543 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1545 xlate_remove_ofproto(ofproto
);
1548 /* Ensure that the upcall processing threads have no remaining references
1549 * to the ofproto or anything in it. */
1550 udpif_synchronize(ofproto
->backer
->udpif
);
1552 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1554 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1555 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1556 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1559 ofproto_group_delete_all(&ofproto
->up
);
1561 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1562 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1563 ofproto_async_msg_free(am
);
1565 guarded_list_destroy(&ofproto
->ams
);
1567 recirc_free_ofproto(ofproto
, ofproto
->up
.name
);
1569 mbridge_unref(ofproto
->mbridge
);
1571 netflow_unref(ofproto
->netflow
);
1572 dpif_sflow_unref(ofproto
->sflow
);
1573 dpif_ipfix_unref(ofproto
->ipfix
);
1574 hmap_destroy(&ofproto
->bundles
);
1575 mac_learning_unref(ofproto
->ml
);
1576 mcast_snooping_unref(ofproto
->ms
);
1577 stp_unref(ofproto
->stp
);
1578 rstp_unref(ofproto
->rstp
);
1580 sset_destroy(&ofproto
->ports
);
1581 sset_destroy(&ofproto
->ghost_ports
);
1582 sset_destroy(&ofproto
->port_poll_set
);
1584 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1586 seq_destroy(ofproto
->ams_seq
);
1588 close_dpif_backer(ofproto
->backer
, del
);
1592 run(struct ofproto
*ofproto_
)
1594 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1595 uint64_t new_seq
, new_dump_seq
;
1597 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1598 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1599 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1600 mac_learning_flush(ofproto
->ml
);
1601 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1602 mcast_snooping_mdb_flush(ofproto
->ms
);
1605 /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during
1606 * flow restore. Even though nothing is processed during flow restore,
1607 * all queued 'ams' will be handled immediately when flow restore
1609 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1611 /* Do not perform any periodic activity required by 'ofproto' while
1612 * waiting for flow restore to complete. */
1613 if (!ofproto_get_flow_restore_wait()) {
1614 struct ofproto_async_msg
*am
;
1615 struct ovs_list ams
;
1617 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1618 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1619 connmgr_send_async_msg(ofproto
->up
.connmgr
, am
);
1620 ofproto_async_msg_free(am
);
1624 if (ofproto
->netflow
) {
1625 netflow_run(ofproto
->netflow
);
1627 if (ofproto
->sflow
) {
1628 dpif_sflow_run(ofproto
->sflow
);
1630 if (ofproto
->ipfix
) {
1631 dpif_ipfix_run(ofproto
->ipfix
);
1634 new_seq
= seq_read(connectivity_seq_get());
1635 if (ofproto
->change_seq
!= new_seq
) {
1636 struct ofport_dpif
*ofport
;
1638 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1642 ofproto
->change_seq
= new_seq
;
1644 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1645 struct ofbundle
*bundle
;
1647 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1654 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1655 if (mac_learning_run(ofproto
->ml
)) {
1656 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1658 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1660 if (mcast_snooping_run(ofproto
->ms
)) {
1661 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1664 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1665 if (ofproto
->dump_seq
!= new_dump_seq
) {
1666 struct rule
*rule
, *next_rule
;
1667 long long now
= time_msec();
1669 /* We know stats are relatively fresh, so now is a good time to do some
1671 ofproto
->dump_seq
= new_dump_seq
;
1673 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1675 ovs_mutex_lock(&ofproto_mutex
);
1676 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1677 &ofproto
->up
.expirable
) {
1678 rule_expire(rule_dpif_cast(rule
), now
);
1680 ovs_mutex_unlock(&ofproto_mutex
);
1682 /* All outstanding data in existing flows has been accounted, so it's a
1683 * good time to do bond rebalancing. */
1684 if (ofproto
->has_bonded_bundles
) {
1685 struct ofbundle
*bundle
;
1687 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1689 bond_rebalance(bundle
->bond
);
1698 ofproto_dpif_wait(struct ofproto
*ofproto_
)
1700 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1702 if (ofproto_get_flow_restore_wait()) {
1706 if (ofproto
->sflow
) {
1707 dpif_sflow_wait(ofproto
->sflow
);
1709 if (ofproto
->ipfix
) {
1710 dpif_ipfix_wait(ofproto
->ipfix
);
1712 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1713 struct ofbundle
*bundle
;
1715 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1716 bundle_wait(bundle
);
1719 if (ofproto
->netflow
) {
1720 netflow_wait(ofproto
->netflow
);
1722 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1723 mac_learning_wait(ofproto
->ml
);
1724 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1725 mcast_snooping_wait(ofproto
->ms
);
1727 if (ofproto
->backer
->need_revalidate
) {
1728 poll_immediate_wake();
1731 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1732 seq_wait(ofproto
->ams_seq
, ofproto
->ams_seqno
);
1736 type_get_memory_usage(const char *type
, struct simap
*usage
)
1738 struct dpif_backer
*backer
;
1740 backer
= shash_find_data(&all_dpif_backers
, type
);
1742 udpif_get_memory_usage(backer
->udpif
, usage
);
1747 flush(struct ofproto
*ofproto_
)
1749 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1750 struct dpif_backer
*backer
= ofproto
->backer
;
1753 udpif_flush(backer
->udpif
);
1758 query_tables(struct ofproto
*ofproto
,
1759 struct ofputil_table_features
*features
,
1760 struct ofputil_table_stats
*stats
)
1762 strcpy(features
->name
, "classifier");
1767 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1768 unsigned long missed
, matched
;
1770 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1771 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1773 stats
[i
].matched_count
= matched
;
1774 stats
[i
].lookup_count
= matched
+ missed
;
1780 set_tables_version(struct ofproto
*ofproto_
, ovs_version_t version
)
1782 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1784 /* Use memory_order_release to signify that any prior memory accesses can
1785 * not be reordered to happen after this atomic store. This makes sure the
1786 * new version is properly set up when the readers can read this 'version'
1788 atomic_store_explicit(&ofproto
->tables_version
, version
,
1789 memory_order_release
);
1790 /* 'need_revalidate' can be reordered to happen before the atomic_store
1791 * above, but it does not matter as this variable is not accessed by other
1793 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
1796 static struct ofport
*
1799 struct ofport_dpif
*port
= xzalloc(sizeof *port
);
1804 port_dealloc(struct ofport
*port_
)
1806 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1811 port_construct(struct ofport
*port_
)
1813 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1814 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1815 const struct netdev
*netdev
= port
->up
.netdev
;
1816 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1817 const char *dp_port_name
;
1818 struct dpif_port dpif_port
;
1821 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1822 port
->bundle
= NULL
;
1826 port
->may_enable
= false;
1827 port
->stp_port
= NULL
;
1828 port
->stp_state
= STP_DISABLED
;
1829 port
->rstp_port
= NULL
;
1830 port
->rstp_state
= RSTP_DISABLED
;
1831 port
->is_tunnel
= false;
1835 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1837 if (netdev_vport_is_patch(netdev
)) {
1838 /* By bailing out here, we don't submit the port to the sFlow module
1839 * to be considered for counter polling export. This is correct
1840 * because the patch port represents an interface that sFlow considers
1841 * to be "internal" to the switch as a whole, and therefore not a
1842 * candidate for counter polling. */
1843 port
->odp_port
= ODPP_NONE
;
1844 ofport_update_peer(port
);
1848 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1849 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
, dp_port_name
,
1855 port
->odp_port
= dpif_port
.port_no
;
1857 if (netdev_get_tunnel_config(netdev
)) {
1858 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1859 error
= tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1860 ovs_native_tunneling_is_on(ofproto
), dp_port_name
);
1862 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1863 dpif_port_destroy(&dpif_port
);
1867 port
->is_tunnel
= true;
1868 if (ofproto
->ipfix
) {
1869 dpif_ipfix_add_tunnel_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1872 /* Sanity-check that a mapping doesn't already exist. This
1873 * shouldn't happen for non-tunnel ports. */
1874 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1875 VLOG_ERR("port %s already has an OpenFlow port number",
1877 dpif_port_destroy(&dpif_port
);
1881 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1882 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1883 hash_odp_port(port
->odp_port
));
1884 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1886 dpif_port_destroy(&dpif_port
);
1888 if (ofproto
->sflow
) {
1889 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1896 port_destruct(struct ofport
*port_
, bool del
)
1898 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1899 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1900 const char *devname
= netdev_get_name(port
->up
.netdev
);
1901 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1902 const char *dp_port_name
;
1904 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1906 xlate_ofport_remove(port
);
1909 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1911 if (del
&& dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1912 /* The underlying device is still there, so delete it. This
1913 * happens when the ofproto is being destroyed, since the caller
1914 * assumes that removal of attached ports will happen as part of
1916 if (!port
->is_tunnel
) {
1917 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1922 port
->peer
->peer
= NULL
;
1926 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1927 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1928 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1929 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1932 if (port
->is_tunnel
) {
1933 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1936 if (port
->is_tunnel
&& ofproto
->ipfix
) {
1937 dpif_ipfix_del_tunnel_port(ofproto
->ipfix
, port
->odp_port
);
1941 sset_find_and_delete(&ofproto
->ports
, devname
);
1942 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1943 bundle_remove(port_
);
1944 set_cfm(port_
, NULL
);
1945 set_bfd(port_
, NULL
);
1946 set_lldp(port_
, NULL
);
1947 if (port
->stp_port
) {
1948 stp_port_disable(port
->stp_port
);
1950 set_rstp_port(port_
, NULL
);
1951 if (ofproto
->sflow
) {
1952 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1959 port_modified(struct ofport
*port_
)
1961 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1962 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1963 const char *dp_port_name
;
1964 struct netdev
*netdev
= port
->up
.netdev
;
1966 if (port
->bundle
&& port
->bundle
->bond
) {
1967 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1971 cfm_set_netdev(port
->cfm
, netdev
);
1975 bfd_set_netdev(port
->bfd
, netdev
);
1978 /* Set liveness, unless the link is administratively or
1979 * operationally down or link monitoring false */
1980 if (!(port
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
1981 !(port
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
) &&
1983 port
->up
.pp
.state
|= OFPUTIL_PS_LIVE
;
1985 port
->up
.pp
.state
&= ~OFPUTIL_PS_LIVE
;
1988 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1989 port
->lldp
, &port
->up
.pp
.hw_addr
);
1991 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1993 if (port
->is_tunnel
) {
1994 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1996 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
,
1997 ovs_native_tunneling_is_on(ofproto
),
1999 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2003 ofport_update_peer(port
);
2007 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
2009 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2010 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
2011 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
2013 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
2014 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
2015 OFPUTIL_PC_NO_PACKET_IN
)) {
2016 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2018 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
2019 bundle_update(port
->bundle
);
2025 set_sflow(struct ofproto
*ofproto_
,
2026 const struct ofproto_sflow_options
*sflow_options
)
2028 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2029 struct dpif_sflow
*ds
= ofproto
->sflow
;
2031 if (sflow_options
) {
2032 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
2034 struct ofport_dpif
*ofport
;
2036 ds
= ofproto
->sflow
= dpif_sflow_create();
2037 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2038 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
2041 dpif_sflow_set_options(ds
, sflow_options
);
2042 if (dpif_sflow_get_probability(ds
) != old_probability
) {
2043 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2047 dpif_sflow_unref(ds
);
2048 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2049 ofproto
->sflow
= NULL
;
2057 struct ofproto
*ofproto_
,
2058 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
2059 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
2060 size_t n_flow_exporters_options
)
2062 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2063 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2064 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
2065 bool new_di
= false;
2067 if (has_options
&& !di
) {
2068 di
= ofproto
->ipfix
= dpif_ipfix_create();
2073 /* Call set_options in any case to cleanly flush the flow
2074 * caches in the last exporters that are to be destroyed. */
2075 dpif_ipfix_set_options(
2076 di
, bridge_exporter_options
, flow_exporters_options
,
2077 n_flow_exporters_options
);
2079 /* Add tunnel ports only when a new ipfix created */
2080 if (new_di
== true) {
2081 struct ofport_dpif
*ofport
;
2082 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2083 if (ofport
->is_tunnel
== true) {
2084 dpif_ipfix_add_tunnel_port(di
, &ofport
->up
, ofport
->odp_port
);
2090 dpif_ipfix_unref(di
);
2091 ofproto
->ipfix
= NULL
;
2099 get_ipfix_stats(const struct ofproto
*ofproto_
,
2101 struct ovs_list
*replies
)
2103 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2104 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2107 return OFPERR_NXST_NOT_CONFIGURED
;
2110 return dpif_ipfix_get_stats(di
, bridge_ipfix
, replies
);
2114 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
2116 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2117 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2118 struct cfm
*old
= ofport
->cfm
;
2123 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
2126 if (cfm_configure(ofport
->cfm
, s
)) {
2133 cfm_unref(ofport
->cfm
);
2136 if (ofport
->cfm
!= old
) {
2137 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2139 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2140 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2145 cfm_status_changed(struct ofport
*ofport_
)
2147 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2149 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
2153 get_cfm_status(const struct ofport
*ofport_
,
2154 struct cfm_status
*status
)
2156 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2160 cfm_get_status(ofport
->cfm
, status
);
2169 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
2171 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
2172 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2176 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
2177 cfg
, ofport
->up
.netdev
);
2178 if (ofport
->bfd
!= old
) {
2179 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2181 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2182 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2187 bfd_status_changed(struct ofport
*ofport_
)
2189 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2191 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
2195 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
2197 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2201 bfd_get_status(ofport
->bfd
, smap
);
2210 set_lldp(struct ofport
*ofport_
,
2211 const struct smap
*cfg
)
2213 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2217 if (!ofport
->lldp
) {
2218 struct ofproto_dpif
*ofproto
;
2220 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2221 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2222 ofport
->lldp
= lldp_create(ofport
->up
.netdev
, ofport_
->mtu
, cfg
);
2225 if (!lldp_configure(ofport
->lldp
, cfg
)) {
2230 lldp_unref(ofport
->lldp
);
2231 ofport
->lldp
= NULL
;
2234 ofproto_dpif_monitor_port_update(ofport
,
2238 &ofport
->up
.pp
.hw_addr
);
2243 get_lldp_status(const struct ofport
*ofport_
,
2244 struct lldp_status
*status OVS_UNUSED
)
2246 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2248 return ofport
->lldp
? true : false;
2252 set_aa(struct ofproto
*ofproto OVS_UNUSED
,
2253 const struct aa_settings
*s
)
2255 return aa_configure(s
);
2259 aa_mapping_set(struct ofproto
*ofproto_ OVS_UNUSED
, void *aux
,
2260 const struct aa_mapping_settings
*s
)
2262 return aa_mapping_register(aux
, s
);
2266 aa_mapping_unset(struct ofproto
*ofproto OVS_UNUSED
, void *aux
)
2268 return aa_mapping_unregister(aux
);
2272 aa_vlan_get_queued(struct ofproto
*ofproto OVS_UNUSED
, struct ovs_list
*list
)
2274 return aa_get_vlan_queued(list
);
2278 aa_vlan_get_queue_size(struct ofproto
*ofproto OVS_UNUSED
)
2280 return aa_get_vlan_queue_size();
2284 /* Spanning Tree. */
2286 /* Called while rstp_mutex is held. */
2288 rstp_send_bpdu_cb(struct dp_packet
*pkt
, void *ofport_
, void *ofproto_
)
2290 struct ofproto_dpif
*ofproto
= ofproto_
;
2291 struct ofport_dpif
*ofport
= ofport_
;
2292 struct eth_header
*eth
= dp_packet_eth(pkt
);
2294 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2295 if (eth_addr_is_zero(eth
->eth_src
)) {
2296 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2297 "does not have a configured source MAC address.",
2298 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2300 ofproto_dpif_send_packet(ofport
, false, pkt
);
2302 dp_packet_delete(pkt
);
2306 send_bpdu_cb(struct dp_packet
*pkt
, int port_num
, void *ofproto_
)
2308 struct ofproto_dpif
*ofproto
= ofproto_
;
2309 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2310 struct ofport_dpif
*ofport
;
2312 ofport
= stp_port_get_aux(sp
);
2314 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2315 ofproto
->up
.name
, port_num
);
2317 struct eth_header
*eth
= dp_packet_eth(pkt
);
2319 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2320 if (eth_addr_is_zero(eth
->eth_src
)) {
2321 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2322 "with unknown MAC", ofproto
->up
.name
, port_num
);
2324 ofproto_dpif_send_packet(ofport
, false, pkt
);
2327 dp_packet_delete(pkt
);
2330 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2332 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2334 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2336 /* Only revalidate flows if the configuration changed. */
2337 if (!s
!= !ofproto
->rstp
) {
2338 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2342 if (!ofproto
->rstp
) {
2343 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2344 rstp_send_bpdu_cb
, ofproto
);
2345 ofproto
->rstp_last_tick
= time_msec();
2347 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2348 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2349 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2350 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2351 s
->force_protocol_version
);
2352 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2353 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2354 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2355 s
->transmit_hold_count
);
2357 struct ofport
*ofport
;
2358 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2359 set_rstp_port(ofport
, NULL
);
2361 rstp_unref(ofproto
->rstp
);
2362 ofproto
->rstp
= NULL
;
2367 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2369 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2371 if (ofproto
->rstp
) {
2373 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2374 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2375 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2376 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2377 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2378 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2385 update_rstp_port_state(struct ofport_dpif
*ofport
)
2387 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2388 enum rstp_state state
;
2390 /* Figure out new state. */
2391 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2395 if (ofport
->rstp_state
!= state
) {
2396 enum ofputil_port_state of_state
;
2399 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2400 netdev_get_name(ofport
->up
.netdev
),
2401 rstp_state_name(ofport
->rstp_state
),
2402 rstp_state_name(state
));
2404 if (rstp_learn_in_state(ofport
->rstp_state
)
2405 != rstp_learn_in_state(state
)) {
2406 /* XXX: Learning action flows should also be flushed. */
2407 if (ofport
->bundle
) {
2408 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2409 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2410 bundle_flush_macs(ofport
->bundle
, false);
2414 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2415 != rstp_forward_in_state(state
);
2417 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2418 ofport
->rstp_state
= state
;
2420 if (fwd_change
&& ofport
->bundle
) {
2421 bundle_update(ofport
->bundle
);
2424 /* Update the RSTP state bits in the OpenFlow port description. */
2425 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2426 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2427 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2428 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2430 ofproto_port_set_state(&ofport
->up
, of_state
);
2435 rstp_run(struct ofproto_dpif
*ofproto
)
2437 if (ofproto
->rstp
) {
2438 long long int now
= time_msec();
2439 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2440 struct rstp_port
*rp
;
2441 struct ofport_dpif
*ofport
;
2443 /* Every second, decrease the values of the timers. */
2444 if (elapsed
>= 1000) {
2445 rstp_tick_timers(ofproto
->rstp
);
2446 ofproto
->rstp_last_tick
= now
;
2449 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2450 update_rstp_port_state(ofport
);
2454 /* FIXME: This check should be done on-event (i.e., when setting
2455 * p->fdb_flush) and not periodically.
2457 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2458 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2459 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2460 bundle_flush_macs(ofport
->bundle
, false);
2464 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2465 struct ofport_dpif
*old_root_aux
=
2466 (struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
);
2467 struct ofport_dpif
*new_root_aux
=
2468 (struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
);
2469 if (old_root_aux
!= NULL
&& new_root_aux
!= NULL
) {
2470 bundle_move(old_root_aux
->bundle
, new_root_aux
->bundle
);
2471 rstp_reset_root_changed(ofproto
->rstp
);
2477 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2479 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2481 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2483 /* Only revalidate flows if the configuration changed. */
2484 if (!s
!= !ofproto
->stp
) {
2485 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2489 if (!ofproto
->stp
) {
2490 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2491 send_bpdu_cb
, ofproto
);
2492 ofproto
->stp_last_tick
= time_msec();
2495 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2496 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2497 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2498 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2499 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2501 struct ofport
*ofport
;
2503 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2504 set_stp_port(ofport
, NULL
);
2507 stp_unref(ofproto
->stp
);
2508 ofproto
->stp
= NULL
;
2515 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2517 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2521 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2522 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2523 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2532 update_stp_port_state(struct ofport_dpif
*ofport
)
2534 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2535 enum stp_state state
;
2537 /* Figure out new state. */
2538 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2542 if (ofport
->stp_state
!= state
) {
2543 enum ofputil_port_state of_state
;
2546 VLOG_DBG("port %s: STP state changed from %s to %s",
2547 netdev_get_name(ofport
->up
.netdev
),
2548 stp_state_name(ofport
->stp_state
),
2549 stp_state_name(state
));
2550 if (stp_learn_in_state(ofport
->stp_state
)
2551 != stp_learn_in_state(state
)) {
2552 /* xxx Learning action flows should also be flushed. */
2553 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2554 mac_learning_flush(ofproto
->ml
);
2555 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2556 mcast_snooping_mdb_flush(ofproto
->ms
);
2558 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2559 != stp_forward_in_state(state
);
2561 ofproto
->backer
->need_revalidate
= REV_STP
;
2562 ofport
->stp_state
= state
;
2563 ofport
->stp_state_entered
= time_msec();
2565 if (fwd_change
&& ofport
->bundle
) {
2566 bundle_update(ofport
->bundle
);
2569 /* Update the STP state bits in the OpenFlow port description. */
2570 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2571 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2572 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2573 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2574 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2576 ofproto_port_set_state(&ofport
->up
, of_state
);
2581 stp_check_and_update_link_state(struct ofproto_dpif
*ofproto
)
2583 struct ofport_dpif
*ofport
;
2585 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2586 bool up
= netdev_get_carrier(ofport
->up
.netdev
);
2588 if (ofport
->stp_port
&&
2589 up
!= (stp_port_get_state(ofport
->stp_port
) != STP_DISABLED
)) {
2591 VLOG_DBG("bridge %s, port %s is %s, %s it.",
2592 ofproto
->up
.name
, netdev_get_name(ofport
->up
.netdev
),
2594 up
? "enabling" : "disabling");
2597 stp_port_enable(ofport
->stp_port
);
2598 stp_port_set_aux(ofport
->stp_port
, ofport
);
2600 stp_port_disable(ofport
->stp_port
);
2603 update_stp_port_state(ofport
);
2608 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2609 * caller is responsible for assigning STP port numbers and ensuring
2610 * there are no duplicates. */
2612 set_stp_port(struct ofport
*ofport_
,
2613 const struct ofproto_port_stp_settings
*s
)
2615 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2616 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2617 struct stp_port
*sp
= ofport
->stp_port
;
2619 if (!s
|| !s
->enable
) {
2621 ofport
->stp_port
= NULL
;
2622 stp_port_disable(sp
);
2623 update_stp_port_state(ofport
);
2626 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2627 && ofport
== stp_port_get_aux(sp
)) {
2628 /* The port-id changed, so disable the old one if it's not
2629 * already in use by another port. */
2630 stp_port_disable(sp
);
2633 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2635 /* Set name before enabling the port so that debugging messages can print
2637 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2639 if (netdev_get_carrier(ofport_
->netdev
)) {
2640 stp_port_enable(sp
);
2642 stp_port_disable(sp
);
2645 stp_port_set_aux(sp
, ofport
);
2646 stp_port_set_priority(sp
, s
->priority
);
2647 stp_port_set_path_cost(sp
, s
->path_cost
);
2649 update_stp_port_state(ofport
);
2655 get_stp_port_status(struct ofport
*ofport_
,
2656 struct ofproto_port_stp_status
*s
)
2658 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2659 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2660 struct stp_port
*sp
= ofport
->stp_port
;
2662 if (!ofproto
->stp
|| !sp
) {
2668 stp_port_get_status(sp
, &s
->port_id
, &s
->state
, &s
->role
);
2669 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2675 get_stp_port_stats(struct ofport
*ofport_
,
2676 struct ofproto_port_stp_stats
*s
)
2678 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2679 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2680 struct stp_port
*sp
= ofport
->stp_port
;
2682 if (!ofproto
->stp
|| !sp
) {
2688 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2694 stp_run(struct ofproto_dpif
*ofproto
)
2697 long long int now
= time_msec();
2698 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2699 struct stp_port
*sp
;
2702 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2703 ofproto
->stp_last_tick
= now
;
2706 stp_check_and_update_link_state(ofproto
);
2708 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2709 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2712 update_stp_port_state(ofport
);
2716 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2717 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2718 mac_learning_flush(ofproto
->ml
);
2719 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2720 mcast_snooping_mdb_flush(ofproto
->ms
);
2726 stp_wait(struct ofproto_dpif
*ofproto
)
2729 poll_timer_wait(1000);
2733 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2734 * caller is responsible for assigning RSTP port numbers and ensuring
2735 * there are no duplicates. */
2737 set_rstp_port(struct ofport
*ofport_
,
2738 const struct ofproto_port_rstp_settings
*s
)
2740 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2741 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2742 struct rstp_port
*rp
= ofport
->rstp_port
;
2744 if (!s
|| !s
->enable
) {
2746 rstp_port_set_aux(rp
, NULL
);
2747 rstp_port_set_state(rp
, RSTP_DISABLED
);
2748 rstp_port_set_mac_operational(rp
, false);
2749 ofport
->rstp_port
= NULL
;
2750 rstp_port_unref(rp
);
2751 update_rstp_port_state(ofport
);
2756 /* Check if need to add a new port. */
2758 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2761 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2762 s
->admin_edge_port
, s
->auto_edge
,
2763 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2764 ofport
, netdev_get_name(ofport
->up
.netdev
));
2765 update_rstp_port_state(ofport
);
2766 /* Synchronize operational status. */
2767 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2771 get_rstp_port_status(struct ofport
*ofport_
,
2772 struct ofproto_port_rstp_status
*s
)
2774 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2775 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2776 struct rstp_port
*rp
= ofport
->rstp_port
;
2778 if (!ofproto
->rstp
|| !rp
) {
2784 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2785 &s
->designated_bridge_id
, &s
->designated_port_id
,
2786 &s
->designated_path_cost
, &s
->tx_count
,
2787 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2792 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2795 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2796 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2798 if (ofport
->n_qdscp
!= n_qdscp
2799 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2800 n_qdscp
* sizeof *qdscp
))) {
2801 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2802 free(ofport
->qdscp
);
2803 ofport
->qdscp
= n_qdscp
2804 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2806 ofport
->n_qdscp
= n_qdscp
;
2814 /* Expires all MAC learning entries associated with 'bundle' and forces its
2815 * ofproto to revalidate every flow.
2817 * Normally MAC learning entries are removed only from the ofproto associated
2818 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2819 * are removed from every ofproto. When patch ports and SLB bonds are in use
2820 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2821 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2822 * with the host from which it migrated. */
2824 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2826 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2827 struct mac_learning
*ml
= ofproto
->ml
;
2828 struct mac_entry
*mac
, *next_mac
;
2830 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2831 ovs_rwlock_wrlock(&ml
->rwlock
);
2832 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2833 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2835 struct ofproto_dpif
*o
;
2837 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2839 struct mac_entry
*e
;
2841 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2842 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2844 mac_learning_expire(o
->ml
, e
);
2846 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2851 mac_learning_expire(ml
, mac
);
2854 ovs_rwlock_unlock(&ml
->rwlock
);
2858 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2860 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2861 struct mac_learning
*ml
= ofproto
->ml
;
2862 struct mac_entry
*mac
, *next_mac
;
2864 ovs_assert(new->ofproto
== old
->ofproto
);
2866 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2867 ovs_rwlock_wrlock(&ml
->rwlock
);
2868 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2869 if (mac_entry_get_port(ml
, mac
) == old
) {
2870 mac_entry_set_port(ml
, mac
, new);
2873 ovs_rwlock_unlock(&ml
->rwlock
);
2876 static struct ofbundle
*
2877 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2879 struct ofbundle
*bundle
;
2881 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2882 &ofproto
->bundles
) {
2883 if (bundle
->aux
== aux
) {
2891 bundle_update(struct ofbundle
*bundle
)
2893 struct ofport_dpif
*port
;
2895 bundle
->floodable
= true;
2896 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2897 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2898 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2899 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2900 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2901 bundle
->floodable
= false;
2908 bundle_del_port(struct ofport_dpif
*port
)
2910 struct ofbundle
*bundle
= port
->bundle
;
2912 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2914 ovs_list_remove(&port
->bundle_node
);
2915 port
->bundle
= NULL
;
2918 lacp_slave_unregister(bundle
->lacp
, port
);
2921 bond_slave_unregister(bundle
->bond
, port
);
2924 bundle_update(bundle
);
2928 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2929 struct lacp_slave_settings
*lacp
)
2931 struct ofport_dpif
*port
;
2933 port
= ofp_port_to_ofport(bundle
->ofproto
, ofp_port
);
2938 if (port
->bundle
!= bundle
) {
2939 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2941 bundle_remove(&port
->up
);
2944 port
->bundle
= bundle
;
2945 ovs_list_push_back(&bundle
->ports
, &port
->bundle_node
);
2946 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2947 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2948 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2949 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2950 bundle
->floodable
= false;
2954 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2955 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2962 bundle_destroy(struct ofbundle
*bundle
)
2964 struct ofproto_dpif
*ofproto
;
2965 struct ofport_dpif
*port
, *next_port
;
2971 ofproto
= bundle
->ofproto
;
2972 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2975 xlate_bundle_remove(bundle
);
2978 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2979 bundle_del_port(port
);
2982 bundle_flush_macs(bundle
, true);
2983 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
2984 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2986 free(bundle
->trunks
);
2987 free(bundle
->cvlans
);
2988 lacp_unref(bundle
->lacp
);
2989 bond_unref(bundle
->bond
);
2994 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2995 const struct ofproto_bundle_settings
*s
)
2997 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2998 bool need_flush
= false;
2999 struct ofport_dpif
*port
;
3000 struct ofbundle
*bundle
;
3001 unsigned long *trunks
= NULL
;
3002 unsigned long *cvlans
= NULL
;
3008 bundle_destroy(bundle_lookup(ofproto
, aux
));
3012 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
3013 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
3015 bundle
= bundle_lookup(ofproto
, aux
);
3017 bundle
= xmalloc(sizeof *bundle
);
3019 bundle
->ofproto
= ofproto
;
3020 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
3021 hash_pointer(aux
, 0));
3023 bundle
->name
= NULL
;
3025 ovs_list_init(&bundle
->ports
);
3026 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
3027 bundle
->qinq_ethtype
= ETH_TYPE_VLAN_8021AD
;
3029 bundle
->trunks
= NULL
;
3030 bundle
->cvlans
= NULL
;
3031 bundle
->use_priority_tags
= s
->use_priority_tags
;
3032 bundle
->lacp
= NULL
;
3033 bundle
->bond
= NULL
;
3035 bundle
->floodable
= true;
3036 bundle
->protected = false;
3037 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
3040 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
3042 bundle
->name
= xstrdup(s
->name
);
3047 ofproto
->lacp_enabled
= true;
3048 if (!bundle
->lacp
) {
3049 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3050 bundle
->lacp
= lacp_create();
3052 lacp_configure(bundle
->lacp
, s
->lacp
);
3054 lacp_unref(bundle
->lacp
);
3055 bundle
->lacp
= NULL
;
3058 /* Update set of ports. */
3060 for (i
= 0; i
< s
->n_slaves
; i
++) {
3061 if (!bundle_add_port(bundle
, s
->slaves
[i
],
3062 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
3066 if (!ok
|| ovs_list_size(&bundle
->ports
) != s
->n_slaves
) {
3067 struct ofport_dpif
*next_port
;
3069 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
3070 for (i
= 0; i
< s
->n_slaves
; i
++) {
3071 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
3076 bundle_del_port(port
);
3080 ovs_assert(ovs_list_size(&bundle
->ports
) <= s
->n_slaves
);
3082 if (ovs_list_is_empty(&bundle
->ports
)) {
3083 bundle_destroy(bundle
);
3087 /* Set VLAN tagging mode */
3088 if (s
->vlan_mode
!= bundle
->vlan_mode
3089 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
3090 bundle
->vlan_mode
= s
->vlan_mode
;
3091 bundle
->use_priority_tags
= s
->use_priority_tags
;
3095 if (s
->qinq_ethtype
!= bundle
->qinq_ethtype
) {
3096 bundle
->qinq_ethtype
= s
->qinq_ethtype
;
3101 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
3102 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
3104 if (vlan
!= bundle
->vlan
) {
3105 bundle
->vlan
= vlan
;
3109 /* Get trunked VLANs. */
3110 switch (s
->vlan_mode
) {
3111 case PORT_VLAN_ACCESS
:
3115 case PORT_VLAN_TRUNK
:
3116 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3119 case PORT_VLAN_NATIVE_UNTAGGED
:
3120 case PORT_VLAN_NATIVE_TAGGED
:
3121 if (vlan
!= 0 && (!s
->trunks
3122 || !bitmap_is_set(s
->trunks
, vlan
)
3123 || bitmap_is_set(s
->trunks
, 0))) {
3124 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
3126 trunks
= bitmap_clone(s
->trunks
, 4096);
3128 trunks
= bitmap_allocate1(4096);
3130 bitmap_set1(trunks
, vlan
);
3131 bitmap_set0(trunks
, 0);
3133 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3137 case PORT_VLAN_DOT1Q_TUNNEL
:
3138 cvlans
= CONST_CAST(unsigned long *, s
->cvlans
);
3144 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
3145 free(bundle
->trunks
);
3146 if (trunks
== s
->trunks
) {
3147 bundle
->trunks
= vlan_bitmap_clone(trunks
);
3149 bundle
->trunks
= trunks
;
3154 if (trunks
!= s
->trunks
) {
3158 if (!vlan_bitmap_equal(cvlans
, bundle
->cvlans
)) {
3159 free(bundle
->cvlans
);
3160 if (cvlans
== s
->cvlans
) {
3161 bundle
->cvlans
= vlan_bitmap_clone(cvlans
);
3163 bundle
->cvlans
= cvlans
;
3168 if (cvlans
!= s
->cvlans
) {
3173 if (!ovs_list_is_short(&bundle
->ports
)) {
3174 bundle
->ofproto
->has_bonded_bundles
= true;
3176 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
3177 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3180 bundle
->bond
= bond_create(s
->bond
, ofproto
);
3181 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3184 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3185 bond_slave_register(bundle
->bond
, port
,
3186 port
->up
.ofp_port
, port
->up
.netdev
);
3189 bond_unref(bundle
->bond
);
3190 bundle
->bond
= NULL
;
3193 /* Set proteced port mode */
3194 if (s
->protected != bundle
->protected) {
3195 bundle
->protected = s
->protected;
3199 /* If we changed something that would affect MAC learning, un-learn
3200 * everything on this port and force flow revalidation. */
3202 bundle_flush_macs(bundle
, false);
3203 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
3210 bundle_remove(struct ofport
*port_
)
3212 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
3213 struct ofbundle
*bundle
= port
->bundle
;
3216 bundle_del_port(port
);
3217 if (ovs_list_is_empty(&bundle
->ports
)) {
3218 bundle_destroy(bundle
);
3219 } else if (ovs_list_is_short(&bundle
->ports
)) {
3220 bond_unref(bundle
->bond
);
3221 bundle
->bond
= NULL
;
3227 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
3229 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
3230 struct ofport_dpif
*port
= port_
;
3234 error
= netdev_get_etheraddr(port
->up
.netdev
, &ea
);
3236 struct dp_packet packet
;
3239 dp_packet_init(&packet
, 0);
3240 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
3242 memcpy(packet_pdu
, pdu
, pdu_size
);
3244 ofproto_dpif_send_packet(port
, false, &packet
);
3245 dp_packet_uninit(&packet
);
3247 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
3248 "%s (%s)", port
->bundle
->name
,
3249 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
3254 bundle_send_learning_packets(struct ofbundle
*bundle
)
3256 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
3257 int error
, n_packets
, n_errors
;
3258 struct mac_entry
*e
;
3260 struct ovs_list list_node
;
3261 struct ofport_dpif
*port
;
3262 struct dp_packet
*pkt
;
3264 struct ovs_list packets
;
3266 ovs_list_init(&packets
);
3267 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3268 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3269 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
3270 pkt_node
= xmalloc(sizeof *pkt_node
);
3271 pkt_node
->pkt
= bond_compose_learning_packet(bundle
->bond
,
3273 (void **)&pkt_node
->port
);
3274 ovs_list_push_back(&packets
, &pkt_node
->list_node
);
3277 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3279 error
= n_packets
= n_errors
= 0;
3280 LIST_FOR_EACH_POP (pkt_node
, list_node
, &packets
) {
3283 ret
= ofproto_dpif_send_packet(pkt_node
->port
, false, pkt_node
->pkt
);
3284 dp_packet_delete(pkt_node
->pkt
);
3294 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3295 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
3296 "packets, last error was: %s",
3297 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
3299 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3300 bundle
->name
, n_packets
);
3305 bundle_run(struct ofbundle
*bundle
)
3308 lacp_run(bundle
->lacp
, send_pdu_cb
);
3311 struct ofport_dpif
*port
;
3313 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3314 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3317 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3318 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3321 if (bond_should_send_learning_packets(bundle
->bond
)) {
3322 bundle_send_learning_packets(bundle
);
3328 bundle_wait(struct ofbundle
*bundle
)
3331 lacp_wait(bundle
->lacp
);
3334 bond_wait(bundle
->bond
);
3341 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3342 const struct ofproto_mirror_settings
*s
)
3344 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3345 struct ofbundle
**srcs
, **dsts
;
3350 mirror_destroy(ofproto
->mbridge
, aux
);
3354 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3355 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3357 for (i
= 0; i
< s
->n_srcs
; i
++) {
3358 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3361 for (i
= 0; i
< s
->n_dsts
; i
++) {
3362 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3365 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3366 s
->n_dsts
, s
->src_vlans
,
3367 bundle_lookup(ofproto
, s
->out_bundle
),
3368 s
->snaplen
, s
->out_vlan
);
3375 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3376 uint64_t *packets
, uint64_t *bytes
)
3378 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3383 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3385 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3386 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3387 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3388 mac_learning_flush(ofproto
->ml
);
3390 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3395 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3397 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3398 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3399 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3403 forward_bpdu_changed(struct ofproto
*ofproto_
)
3405 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3406 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3410 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3413 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3414 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3415 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3416 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3417 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3420 /* Configures multicast snooping on 'ofport' using the settings
3421 * defined in 's'. */
3423 set_mcast_snooping(struct ofproto
*ofproto_
,
3424 const struct ofproto_mcast_snooping_settings
*s
)
3426 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3428 /* Only revalidate flows if the configuration changed. */
3429 if (!s
!= !ofproto
->ms
) {
3430 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3435 ofproto
->ms
= mcast_snooping_create();
3438 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3439 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3440 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3441 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3442 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3444 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3446 mcast_snooping_unref(ofproto
->ms
);
3453 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3455 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3456 const struct ofproto_mcast_snooping_port_settings
*s
)
3458 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3459 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3461 if (ofproto
->ms
&& s
) {
3462 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3463 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3464 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3466 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3474 struct ofport_dpif
*
3475 ofp_port_to_ofport(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3477 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3478 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3482 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3483 struct ofproto_port
*ofproto_port
,
3484 struct dpif_port
*dpif_port
)
3486 ofproto_port
->name
= dpif_port
->name
;
3487 ofproto_port
->type
= dpif_port
->type
;
3488 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3492 ofport_update_peer(struct ofport_dpif
*ofport
)
3494 const struct ofproto_dpif
*ofproto
;
3495 struct dpif_backer
*backer
;
3498 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3502 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3503 backer
->need_revalidate
= REV_RECONFIGURE
;
3506 ofport
->peer
->peer
= NULL
;
3507 ofport
->peer
= NULL
;
3510 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3515 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3516 struct ofport
*peer_ofport
;
3517 struct ofport_dpif
*peer
;
3520 if (ofproto
->backer
!= backer
) {
3524 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3529 peer
= ofport_dpif_cast(peer_ofport
);
3530 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3531 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3533 ofport
->peer
= peer
;
3534 ofport
->peer
->peer
= ofport
;
3544 port_run(struct ofport_dpif
*ofport
)
3546 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3547 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3548 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3549 bool cfm_enable
= false;
3550 bool bfd_enable
= false;
3552 ofport
->carrier_seq
= carrier_seq
;
3555 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3557 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3559 if (cfm_opup
>= 0) {
3560 cfm_enable
= cfm_enable
&& cfm_opup
;
3565 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3568 if (ofport
->bfd
|| ofport
->cfm
) {
3569 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3572 if (ofport
->bundle
) {
3573 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3574 if (carrier_changed
) {
3575 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3579 if (ofport
->may_enable
!= enable
) {
3580 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3582 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3584 if (ofport
->rstp_port
) {
3585 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3588 /* Propagate liveness, unless the link is administratively or
3589 * operationally down. */
3590 if (!(ofport
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
3591 !(ofport
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
)) {
3592 enum ofputil_port_state of_state
= ofport
->up
.pp
.state
;
3594 of_state
|= OFPUTIL_PS_LIVE
;
3596 of_state
&= ~OFPUTIL_PS_LIVE
;
3598 ofproto_port_set_state(&ofport
->up
, of_state
);
3602 ofport
->may_enable
= enable
;
3606 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3607 struct ofproto_port
*ofproto_port
)
3609 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3610 struct dpif_port dpif_port
;
3613 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3614 const char *type
= netdev_get_type_from_name(devname
);
3616 /* We may be called before ofproto->up.port_by_name is populated with
3617 * the appropriate ofport. For this reason, we must get the name and
3618 * type from the netdev layer directly. */
3620 const struct ofport
*ofport
;
3622 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3623 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3624 ofproto_port
->name
= xstrdup(devname
);
3625 ofproto_port
->type
= xstrdup(type
);
3631 if (!sset_contains(&ofproto
->ports
, devname
)) {
3634 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3635 devname
, &dpif_port
);
3637 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3643 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3645 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3646 const char *devname
= netdev_get_name(netdev
);
3647 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3648 const char *dp_port_name
;
3650 if (netdev_vport_is_patch(netdev
)) {
3651 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3655 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3656 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3657 odp_port_t port_no
= ODPP_NONE
;
3660 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3664 if (netdev_get_tunnel_config(netdev
)) {
3665 simap_put(&ofproto
->backer
->tnl_backers
,
3666 dp_port_name
, odp_to_u32(port_no
));
3670 if (netdev_get_tunnel_config(netdev
)) {
3671 sset_add(&ofproto
->ghost_ports
, devname
);
3673 sset_add(&ofproto
->ports
, devname
);
3679 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3681 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3682 struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
3689 sset_find_and_delete(&ofproto
->ghost_ports
,
3690 netdev_get_name(ofport
->up
.netdev
));
3691 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3692 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3693 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
3695 /* The caller is going to close ofport->up.netdev. If this is a
3696 * bonded port, then the bond is using that netdev, so remove it
3697 * from the bond. The client will need to reconfigure everything
3698 * after deleting ports, so then the slave will get re-added. */
3699 bundle_remove(&ofport
->up
);
3706 port_set_config(const struct ofport
*ofport_
, const struct smap
*cfg
)
3708 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3709 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3711 if (sset_contains(&ofproto
->ghost_ports
,
3712 netdev_get_name(ofport
->up
.netdev
))) {
3716 return dpif_port_set_config(ofproto
->backer
->dpif
, ofport
->odp_port
, cfg
);
3720 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3722 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3725 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3727 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3728 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3730 ovs_mutex_lock(&ofproto
->stats_mutex
);
3731 /* ofproto->stats.tx_packets represents packets that we created
3732 * internally and sent to some port (e.g. packets sent with
3733 * ofproto_dpif_send_packet()). Account for them as if they had
3734 * come from OFPP_LOCAL and got forwarded. */
3736 if (stats
->rx_packets
!= UINT64_MAX
) {
3737 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3740 if (stats
->rx_bytes
!= UINT64_MAX
) {
3741 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3744 /* ofproto->stats.rx_packets represents packets that were received on
3745 * some port and we processed internally and dropped (e.g. STP).
3746 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3748 if (stats
->tx_packets
!= UINT64_MAX
) {
3749 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3752 if (stats
->tx_bytes
!= UINT64_MAX
) {
3753 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3755 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3762 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3764 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3765 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3766 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3773 struct port_dump_state
{
3774 struct sset_position pos
;
3777 struct ofproto_port port
;
3782 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3784 *statep
= xzalloc(sizeof(struct port_dump_state
));
3789 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3790 struct ofproto_port
*port
)
3792 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3793 struct port_dump_state
*state
= state_
;
3794 const struct sset
*sset
;
3795 struct sset_node
*node
;
3797 if (state
->has_port
) {
3798 ofproto_port_destroy(&state
->port
);
3799 state
->has_port
= false;
3801 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3802 while ((node
= sset_at_position(sset
, &state
->pos
))) {
3805 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3807 *port
= state
->port
;
3808 state
->has_port
= true;
3810 } else if (error
!= ENODEV
) {
3815 if (!state
->ghost
) {
3816 state
->ghost
= true;
3817 memset(&state
->pos
, 0, sizeof state
->pos
);
3818 return port_dump_next(ofproto_
, state_
, port
);
3825 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3827 struct port_dump_state
*state
= state_
;
3829 if (state
->has_port
) {
3830 ofproto_port_destroy(&state
->port
);
3837 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3839 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3841 if (ofproto
->port_poll_errno
) {
3842 int error
= ofproto
->port_poll_errno
;
3843 ofproto
->port_poll_errno
= 0;
3847 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3851 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3856 port_poll_wait(const struct ofproto
*ofproto_
)
3858 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3859 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3863 port_is_lacp_current(const struct ofport
*ofport_
)
3865 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3866 return (ofport
->bundle
&& ofport
->bundle
->lacp
3867 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3871 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3872 * then delete it entirely. */
3874 rule_expire(struct rule_dpif
*rule
, long long now
)
3875 OVS_REQUIRES(ofproto_mutex
)
3877 uint16_t hard_timeout
, idle_timeout
;
3880 hard_timeout
= rule
->up
.hard_timeout
;
3881 idle_timeout
= rule
->up
.idle_timeout
;
3883 /* Has 'rule' expired? */
3885 long long int modified
;
3887 ovs_mutex_lock(&rule
->up
.mutex
);
3888 modified
= rule
->up
.modified
;
3889 ovs_mutex_unlock(&rule
->up
.mutex
);
3891 if (now
> modified
+ hard_timeout
* 1000) {
3892 reason
= OFPRR_HARD_TIMEOUT
;
3896 if (reason
< 0 && idle_timeout
) {
3899 ovs_mutex_lock(&rule
->stats_mutex
);
3900 used
= rule
->stats
.used
;
3901 ovs_mutex_unlock(&rule
->stats_mutex
);
3903 if (now
> used
+ idle_timeout
* 1000) {
3904 reason
= OFPRR_IDLE_TIMEOUT
;
3909 COVERAGE_INC(ofproto_dpif_expired
);
3910 ofproto_rule_expire(&rule
->up
, reason
);
3915 ofproto_dpif_set_packet_odp_port(const struct ofproto_dpif
*ofproto
,
3916 ofp_port_t in_port
, struct dp_packet
*packet
)
3918 if (in_port
== OFPP_NONE
) {
3919 in_port
= OFPP_LOCAL
;
3921 packet
->md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3925 ofproto_dpif_execute_actions__(struct ofproto_dpif
*ofproto
,
3926 ovs_version_t version
, const struct flow
*flow
,
3927 struct rule_dpif
*rule
,
3928 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3929 int depth
, int resubmits
,
3930 struct dp_packet
*packet
)
3932 struct dpif_flow_stats stats
;
3933 struct xlate_out xout
;
3934 struct xlate_in xin
;
3935 struct dpif_execute execute
;
3938 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3940 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3943 rule_dpif_credit_stats(rule
, &stats
);
3946 uint64_t odp_actions_stub
[1024 / 8];
3947 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
3948 xlate_in_init(&xin
, ofproto
, version
, flow
, flow
->in_port
.ofp_port
, rule
,
3949 stats
.tcp_flags
, packet
, NULL
, &odp_actions
);
3950 xin
.ofpacts
= ofpacts
;
3951 xin
.ofpacts_len
= ofpacts_len
;
3952 xin
.resubmit_stats
= &stats
;
3954 xin
.resubmits
= resubmits
;
3955 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
3960 execute
.actions
= odp_actions
.data
;
3961 execute
.actions_len
= odp_actions
.size
;
3963 pkt_metadata_from_flow(&packet
->md
, flow
);
3964 execute
.packet
= packet
;
3965 execute
.flow
= flow
;
3966 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3967 execute
.probe
= false;
3970 /* Fix up in_port. */
3971 ofproto_dpif_set_packet_odp_port(ofproto
, flow
->in_port
.ofp_port
, packet
);
3973 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3975 xlate_out_uninit(&xout
);
3976 ofpbuf_uninit(&odp_actions
);
3981 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3982 * 'flow' must reflect the data in 'packet'. */
3984 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3985 ovs_version_t version
, const struct flow
*flow
,
3986 struct rule_dpif
*rule
,
3987 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3988 struct dp_packet
*packet
)
3990 return ofproto_dpif_execute_actions__(ofproto
, version
, flow
, rule
,
3991 ofpacts
, ofpacts_len
, 0, 0, packet
);
3995 rule_dpif_credit_stats__(struct rule_dpif
*rule
,
3996 const struct dpif_flow_stats
*stats
,
3998 OVS_REQUIRES(rule
->stats_mutex
)
4000 if (credit_counts
) {
4001 rule
->stats
.n_packets
+= stats
->n_packets
;
4002 rule
->stats
.n_bytes
+= stats
->n_bytes
;
4004 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
4008 rule_dpif_credit_stats(struct rule_dpif
*rule
,
4009 const struct dpif_flow_stats
*stats
)
4011 ovs_mutex_lock(&rule
->stats_mutex
);
4012 if (OVS_UNLIKELY(rule
->new_rule
)) {
4013 ovs_mutex_lock(&rule
->new_rule
->stats_mutex
);
4014 rule_dpif_credit_stats__(rule
->new_rule
, stats
, rule
->forward_counts
);
4015 ovs_mutex_unlock(&rule
->new_rule
->stats_mutex
);
4017 rule_dpif_credit_stats__(rule
, stats
, true);
4019 ovs_mutex_unlock(&rule
->stats_mutex
);
4022 /* Sets 'rule''s recirculation id. */
4024 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
4025 OVS_REQUIRES(rule
->up
.mutex
)
4027 ovs_assert(!rule
->recirc_id
|| rule
->recirc_id
== id
);
4028 if (rule
->recirc_id
== id
) {
4029 /* Release the new reference to the same id. */
4032 rule
->recirc_id
= id
;
4036 /* Sets 'rule''s recirculation id. */
4038 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
4040 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4042 ovs_mutex_lock(&rule
->up
.mutex
);
4043 rule_dpif_set_recirc_id(rule
, id
);
4044 ovs_mutex_unlock(&rule
->up
.mutex
);
4048 ofproto_dpif_get_tables_version(struct ofproto_dpif
*ofproto
)
4050 ovs_version_t version
;
4052 /* Use memory_order_acquire to signify that any following memory accesses
4053 * can not be reordered to happen before this atomic read. This makes sure
4054 * all following reads relate to this or a newer version, but never to an
4056 atomic_read_explicit(&ofproto
->tables_version
, &version
,
4057 memory_order_acquire
);
4061 /* The returned rule (if any) is valid at least until the next RCU quiescent
4062 * period. If the rule needs to stay around longer, the caller should take
4065 * 'flow' is non-const to allow for temporary modifications during the lookup.
4066 * Any changes are restored before returning. */
4067 static struct rule_dpif
*
4068 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, ovs_version_t version
,
4069 uint8_t table_id
, struct flow
*flow
,
4070 struct flow_wildcards
*wc
)
4072 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
4073 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls
, version
,
4078 ofproto_dpif_credit_table_stats(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
4079 uint64_t n_matches
, uint64_t n_misses
)
4081 struct oftable
*tbl
= &ofproto
->up
.tables
[table_id
];
4085 atomic_add_relaxed(&tbl
->n_matched
, n_matches
, &orig
);
4088 atomic_add_relaxed(&tbl
->n_missed
, n_misses
, &orig
);
4092 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
4093 * table '*table_id'. Returns the rule that was found, which may be one of the
4094 * special rules according to packet miss hadling. If 'may_packet_in' is
4095 * false, returning of the miss_rule (which issues packet ins for the
4096 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
4097 * that were used during the lookup.
4099 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
4100 * if none is found then the table miss configuration for that table is
4101 * honored, which can result in additional lookups in other OpenFlow tables.
4102 * In this case the function updates '*table_id' to reflect the final OpenFlow
4103 * table that was searched.
4105 * If 'honor_table_miss' is false, then only one table lookup occurs, in
4108 * The rule is returned in '*rule', which is valid at least until the next
4109 * RCU quiescent period. If the '*rule' needs to stay around longer, the
4110 * caller must take a reference.
4112 * 'in_port' allows the lookup to take place as if the in port had the value
4113 * 'in_port'. This is needed for resubmit action support.
4115 * 'flow' is non-const to allow for temporary modifications during the lookup.
4116 * Any changes are restored before returning. */
4118 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
4119 ovs_version_t version
, struct flow
*flow
,
4120 struct flow_wildcards
*wc
,
4121 const struct dpif_flow_stats
*stats
,
4122 uint8_t *table_id
, ofp_port_t in_port
,
4123 bool may_packet_in
, bool honor_table_miss
,
4124 struct xlate_cache
*xcache
)
4126 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
4127 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
4128 enum ofputil_table_miss miss_config
;
4129 struct rule_dpif
*rule
;
4132 /* We always unwildcard nw_frag (for IP), so they
4133 * need not be unwildcarded here. */
4134 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
4135 && ofproto
->up
.frag_handling
!= OFPUTIL_FRAG_NX_MATCH
) {
4136 if (ofproto
->up
.frag_handling
== OFPUTIL_FRAG_NORMAL
) {
4137 /* We must pretend that transport ports are unavailable. */
4138 flow
->tp_src
= htons(0);
4139 flow
->tp_dst
= htons(0);
4141 /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM).
4142 * Use the drop_frags_rule (which cannot disappear). */
4143 rule
= ofproto
->drop_frags_rule
;
4145 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
4148 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
4151 struct xc_entry
*entry
;
4153 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4154 entry
->table
.ofproto
= ofproto
;
4155 entry
->table
.id
= *table_id
;
4156 entry
->table
.match
= true;
4162 /* Look up a flow with 'in_port' as the input port. Then restore the
4163 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
4164 * have surprising behavior). */
4165 flow
->in_port
.ofp_port
= in_port
;
4167 /* Our current implementation depends on n_tables == N_TABLES, and
4168 * TBL_INTERNAL being the last table. */
4169 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
4171 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
4173 for (next_id
= *table_id
;
4174 next_id
< ofproto
->up
.n_tables
;
4175 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
4177 *table_id
= next_id
;
4178 rule
= rule_dpif_lookup_in_table(ofproto
, version
, next_id
, flow
, wc
);
4180 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
4183 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
4184 stats
->n_packets
, &orig
);
4187 struct xc_entry
*entry
;
4189 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4190 entry
->table
.ofproto
= ofproto
;
4191 entry
->table
.id
= next_id
;
4192 entry
->table
.match
= (rule
!= NULL
);
4195 goto out
; /* Match. */
4197 if (honor_table_miss
) {
4198 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
4200 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
4207 rule
= ofproto
->no_packet_in_rule
;
4208 if (may_packet_in
) {
4209 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
4210 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
4211 struct ofport_dpif
*port
;
4213 port
= ofp_port_to_ofport(ofproto
, old_in_port
);
4215 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu32
,
4217 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
4218 rule
= ofproto
->miss_rule
;
4220 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
4221 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
4222 rule
= ofproto
->miss_rule
;
4226 /* Restore port numbers, as they may have been modified above. */
4227 flow
->tp_src
= old_tp_src
;
4228 flow
->tp_dst
= old_tp_dst
;
4229 /* Restore the old in port. */
4230 flow
->in_port
.ofp_port
= old_in_port
;
4235 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
4237 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
4240 static struct rule
*
4243 struct rule_dpif
*rule
= xzalloc(sizeof *rule
);
4248 rule_dealloc(struct rule
*rule_
)
4250 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4255 check_mask(struct ofproto_dpif
*ofproto
, const struct miniflow
*flow
)
4257 const struct odp_support
*support
;
4258 uint16_t ct_state
, ct_zone
;
4262 support
= &ofproto
->backer
->support
.odp
;
4263 ct_state
= MINIFLOW_GET_U8(flow
, ct_state
);
4265 /* Do not bother dissecting the flow further if the datapath supports all
4266 * the features we know of. */
4267 if (support
->ct_state
&& support
->ct_zone
&& support
->ct_mark
4268 && support
->ct_label
&& support
->ct_state_nat
4269 && support
->ct_orig_tuple
&& support
->ct_orig_tuple6
) {
4270 return ct_state
& CS_UNSUPPORTED_MASK
? OFPERR_OFPBMC_BAD_MASK
: 0;
4273 ct_zone
= MINIFLOW_GET_U16(flow
, ct_zone
);
4274 ct_mark
= MINIFLOW_GET_U32(flow
, ct_mark
);
4275 ct_label
= MINIFLOW_GET_U128(flow
, ct_label
);
4277 if ((ct_state
&& !support
->ct_state
)
4278 || (ct_state
& CS_UNSUPPORTED_MASK
)
4279 || ((ct_state
& (CS_SRC_NAT
| CS_DST_NAT
)) && !support
->ct_state_nat
)
4280 || (ct_zone
&& !support
->ct_zone
)
4281 || (ct_mark
&& !support
->ct_mark
)
4282 || (!ovs_u128_is_zero(ct_label
) && !support
->ct_label
)) {
4283 return OFPERR_OFPBMC_BAD_MASK
;
4286 if (!support
->ct_orig_tuple
&& !support
->ct_orig_tuple6
4287 && (MINIFLOW_GET_U8(flow
, ct_nw_proto
)
4288 || MINIFLOW_GET_U16(flow
, ct_tp_src
)
4289 || MINIFLOW_GET_U16(flow
, ct_tp_dst
))) {
4290 return OFPERR_OFPBMC_BAD_MASK
;
4293 if (!support
->ct_orig_tuple
4294 && (MINIFLOW_GET_U32(flow
, ct_nw_src
)
4295 || MINIFLOW_GET_U32(flow
, ct_nw_dst
))) {
4296 return OFPERR_OFPBMC_BAD_MASK
;
4299 if (!support
->ct_orig_tuple6
4300 && (!ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_src
))
4301 || !ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_dst
)))) {
4302 return OFPERR_OFPBMC_BAD_MASK
;
4309 report_unsupported_act(const char *action
, const char *detail
)
4311 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
4312 VLOG_WARN_RL(&rl
, "Rejecting %s action because datapath does not support"
4313 "%s%s (your kernel module may be out of date)",
4314 action
, detail
? " " : "", detail
? detail
: "");
4318 check_actions(const struct ofproto_dpif
*ofproto
,
4319 const struct rule_actions
*const actions
)
4321 const struct ofpact
*ofpact
;
4322 const struct odp_support
*support
= &ofproto
->backer
->support
.odp
;
4324 OFPACT_FOR_EACH (ofpact
, actions
->ofpacts
, actions
->ofpacts_len
) {
4325 if (ofpact
->type
== OFPACT_CT
) {
4326 const struct ofpact_conntrack
*ct
;
4327 const struct ofpact
*a
;
4329 ct
= CONTAINER_OF(ofpact
, struct ofpact_conntrack
, ofpact
);
4331 if (!support
->ct_state
) {
4332 report_unsupported_act("ct", "ct action");
4333 return OFPERR_OFPBAC_BAD_TYPE
;
4335 if ((ct
->zone_imm
|| ct
->zone_src
.field
) && !support
->ct_zone
) {
4336 report_unsupported_act("ct", "ct zones");
4337 return OFPERR_OFPBAC_BAD_ARGUMENT
;
4339 /* So far the force commit feature is implemented together with the
4340 * original direction tuple feature by all datapaths, so we use the
4341 * support flag for the 'ct_orig_tuple' to indicate support for the
4342 * force commit feature as well. */
4343 if ((ct
->flags
& NX_CT_F_FORCE
) && !support
->ct_orig_tuple
) {
4344 report_unsupported_act("ct", "force commit");
4345 return OFPERR_OFPBAC_BAD_ARGUMENT
;
4348 OFPACT_FOR_EACH(a
, ct
->actions
, ofpact_ct_get_action_len(ct
)) {
4349 const struct mf_field
*dst
= ofpact_get_mf_dst(a
);
4351 if (a
->type
== OFPACT_NAT
&& !support
->ct_state_nat
) {
4352 /* The backer doesn't seem to support the NAT bits in
4353 * 'ct_state': assume that it doesn't support the NAT
4355 report_unsupported_act("ct", "nat");
4356 return OFPERR_OFPBAC_BAD_TYPE
;
4358 if (dst
&& ((dst
->id
== MFF_CT_MARK
&& !support
->ct_mark
) ||
4359 (dst
->id
== MFF_CT_LABEL
&& !support
->ct_label
))) {
4360 report_unsupported_act("ct", "setting mark and/or label");
4361 return OFPERR_OFPBAC_BAD_SET_ARGUMENT
;
4364 } else if (ofpact
->type
== OFPACT_RESUBMIT
) {
4365 struct ofpact_resubmit
*resubmit
= ofpact_get_RESUBMIT(ofpact
);
4367 if (resubmit
->with_ct_orig
&& !support
->ct_orig_tuple
) {
4368 report_unsupported_act("resubmit",
4369 "ct original direction tuple");
4370 return OFPERR_OFPBAC_BAD_TYPE
;
4379 rule_check(struct rule
*rule
)
4381 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->ofproto
);
4384 err
= check_mask(ofproto
, &rule
->cr
.match
.mask
->masks
);
4388 return check_actions(ofproto
, rule
->actions
);
4392 rule_construct(struct rule
*rule_
)
4393 OVS_NO_THREAD_SAFETY_ANALYSIS
4395 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4398 error
= rule_check(rule_
);
4403 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
4404 rule
->stats
.n_packets
= 0;
4405 rule
->stats
.n_bytes
= 0;
4406 rule
->stats
.used
= rule
->up
.modified
;
4407 rule
->recirc_id
= 0;
4408 rule
->new_rule
= NULL
;
4409 rule
->forward_counts
= false;
4415 rule_insert(struct rule
*rule_
, struct rule
*old_rule_
, bool forward_counts
)
4416 OVS_REQUIRES(ofproto_mutex
)
4418 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4421 struct rule_dpif
*old_rule
= rule_dpif_cast(old_rule_
);
4423 ovs_assert(!old_rule
->new_rule
);
4425 /* Take a reference to the new rule, and refer all stats updates from
4426 * the old rule to the new rule. */
4427 ofproto_rule_ref(&rule
->up
);
4429 ovs_mutex_lock(&old_rule
->stats_mutex
);
4430 ovs_mutex_lock(&rule
->stats_mutex
);
4431 old_rule
->new_rule
= rule
; /* Forward future stats. */
4432 old_rule
->forward_counts
= forward_counts
;
4434 if (forward_counts
) {
4435 rule
->stats
= old_rule
->stats
; /* Transfer stats to the new
4438 /* Used timestamp must be forwarded whenever a rule is modified. */
4439 rule
->stats
.used
= old_rule
->stats
.used
;
4441 ovs_mutex_unlock(&rule
->stats_mutex
);
4442 ovs_mutex_unlock(&old_rule
->stats_mutex
);
4447 rule_destruct(struct rule
*rule_
)
4448 OVS_NO_THREAD_SAFETY_ANALYSIS
4450 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4452 ovs_mutex_destroy(&rule
->stats_mutex
);
4453 /* Release reference to the new rule, if any. */
4454 if (rule
->new_rule
) {
4455 ofproto_rule_unref(&rule
->new_rule
->up
);
4457 if (rule
->recirc_id
) {
4458 recirc_free_id(rule
->recirc_id
);
4463 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
4464 long long int *used
)
4466 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4468 ovs_mutex_lock(&rule
->stats_mutex
);
4469 if (OVS_UNLIKELY(rule
->new_rule
)) {
4470 rule_get_stats(&rule
->new_rule
->up
, packets
, bytes
, used
);
4472 *packets
= rule
->stats
.n_packets
;
4473 *bytes
= rule
->stats
.n_bytes
;
4474 *used
= rule
->stats
.used
;
4476 ovs_mutex_unlock(&rule
->stats_mutex
);
4479 struct ofproto_dpif_packet_out
{
4480 struct xlate_cache xcache
;
4481 struct ofpbuf odp_actions
;
4482 struct recirc_refs rr
;
4487 static struct ofproto_dpif_packet_out
*
4488 ofproto_dpif_packet_out_new(void)
4490 struct ofproto_dpif_packet_out
*aux
= xmalloc(sizeof *aux
);
4491 xlate_cache_init(&aux
->xcache
);
4492 ofpbuf_init(&aux
->odp_actions
, 64);
4493 aux
->rr
= RECIRC_REFS_EMPTY_INITIALIZER
;
4494 aux
->needs_help
= false;
4500 ofproto_dpif_packet_out_delete(struct ofproto_dpif_packet_out
*aux
)
4503 xlate_cache_uninit(&aux
->xcache
);
4504 ofpbuf_uninit(&aux
->odp_actions
);
4505 recirc_refs_unref(&aux
->rr
);
4511 packet_xlate(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4512 OVS_REQUIRES(ofproto_mutex
)
4514 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4515 struct xlate_out xout
;
4516 struct xlate_in xin
;
4517 enum ofperr error
= 0;
4519 struct ofproto_dpif_packet_out
*aux
= ofproto_dpif_packet_out_new();
4521 xlate_in_init(&xin
, ofproto
, opo
->version
, opo
->flow
,
4522 opo
->flow
->in_port
.ofp_port
, NULL
, 0, opo
->packet
, NULL
,
4524 xin
.ofpacts
= opo
->ofpacts
;
4525 xin
.ofpacts_len
= opo
->ofpacts_len
;
4526 /* No learning or stats, but collect side effects to xcache. */
4527 xin
.allow_side_effects
= false;
4528 xin
.resubmit_stats
= NULL
;
4529 xin
.xcache
= &aux
->xcache
;
4530 xin
.in_packet_out
= true;
4532 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
4533 error
= OFPERR_OFPFMFC_UNKNOWN
; /* Error processing actions. */
4536 /* Prepare learn actions. */
4537 struct xc_entry
*entry
;
4538 struct ofpbuf entries
= aux
->xcache
.entries
;
4540 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4541 if (entry
->type
== XC_LEARN
) {
4542 struct ofproto_flow_mod
*ofm
= entry
->learn
.ofm
;
4544 error
= ofproto_flow_mod_learn_refresh(ofm
);
4548 struct rule
*rule
= ofm
->temp_rule
;
4549 ofm
->learn_adds_rule
= (rule
->state
== RULE_INITIALIZED
);
4550 if (ofm
->learn_adds_rule
) {
4551 /* If learning on a different bridge, must use its next
4552 * version number. */
4553 ofm
->version
= (rule
->ofproto
== ofproto_
)
4554 ? opo
->version
: rule
->ofproto
->tables_version
+ 1;
4555 error
= ofproto_flow_mod_learn_start(ofm
);
4564 aux
->needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
4565 recirc_refs_swap(&aux
->rr
, &xout
.recircs
); /* Hold recirc refs. */
4567 xlate_out_uninit(&xout
);
4572 xlate_out_uninit(&xout
);
4573 ofproto_dpif_packet_out_delete(aux
);
4579 packet_xlate_revert(struct ofproto
*ofproto OVS_UNUSED
,
4580 struct ofproto_packet_out
*opo
)
4581 OVS_REQUIRES(ofproto_mutex
)
4583 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4586 /* Revert the learned flows. */
4587 struct xc_entry
*entry
;
4588 struct ofpbuf entries
= aux
->xcache
.entries
;
4590 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4591 if (entry
->type
== XC_LEARN
&& entry
->learn
.ofm
->learn_adds_rule
) {
4592 ofproto_flow_mod_learn_revert(entry
->learn
.ofm
);
4596 ofproto_dpif_packet_out_delete(aux
);
4600 /* Push stats and perform side effects of flow translation. */
4602 ofproto_dpif_xcache_execute(struct ofproto_dpif
*ofproto
,
4603 struct xlate_cache
*xcache
,
4604 struct dpif_flow_stats
*stats
)
4605 OVS_REQUIRES(ofproto_mutex
)
4607 struct xc_entry
*entry
;
4608 struct ofpbuf entries
= xcache
->entries
;
4610 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4611 switch (entry
->type
) {
4613 /* Finish the learned flows. */
4614 if (entry
->learn
.ofm
->learn_adds_rule
) {
4615 ofproto_flow_mod_learn_finish(entry
->learn
.ofm
, &ofproto
->up
);
4618 case XC_FIN_TIMEOUT
:
4619 if (stats
->tcp_flags
& (TCP_FIN
| TCP_RST
)) {
4620 /* 'ofproto_mutex' already held */
4621 ofproto_rule_reduce_timeouts__(&entry
->fin
.rule
->up
,
4626 /* All the rest can be dealt with by the xlate layer. */
4637 case XC_TUNNEL_HEADER
:
4638 xlate_push_stats_entry(entry
, stats
);
4647 packet_execute(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4648 OVS_REQUIRES(ofproto_mutex
)
4650 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4651 struct dpif_flow_stats stats
;
4652 struct dpif_execute execute
;
4654 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4657 /* Run the side effects from the xcache. */
4658 dpif_flow_stats_extract(opo
->flow
, opo
->packet
, time_msec(), &stats
);
4659 ofproto_dpif_xcache_execute(ofproto
, &aux
->xcache
, &stats
);
4661 execute
.actions
= aux
->odp_actions
.data
;
4662 execute
.actions_len
= aux
->odp_actions
.size
;
4664 pkt_metadata_from_flow(&opo
->packet
->md
, opo
->flow
);
4665 execute
.packet
= opo
->packet
;
4666 execute
.flow
= opo
->flow
;
4667 execute
.needs_help
= aux
->needs_help
;
4668 execute
.probe
= false;
4671 /* Fix up in_port. */
4672 ofproto_dpif_set_packet_odp_port(ofproto
, opo
->flow
->in_port
.ofp_port
,
4675 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4676 ofproto_dpif_packet_out_delete(aux
);
4680 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
4682 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
4685 static struct ofgroup
*
4688 struct group_dpif
*group
= xzalloc(sizeof *group
);
4693 group_dealloc(struct ofgroup
*group_
)
4695 struct group_dpif
*group
= group_dpif_cast(group_
);
4700 group_construct_stats(struct group_dpif
*group
)
4701 OVS_REQUIRES(group
->stats_mutex
)
4703 group
->packet_count
= 0;
4704 group
->byte_count
= 0;
4706 struct ofputil_bucket
*bucket
;
4707 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4708 bucket
->stats
.packet_count
= 0;
4709 bucket
->stats
.byte_count
= 0;
4714 group_dpif_credit_stats(struct group_dpif
*group
,
4715 struct ofputil_bucket
*bucket
,
4716 const struct dpif_flow_stats
*stats
)
4718 ovs_mutex_lock(&group
->stats_mutex
);
4719 group
->packet_count
+= stats
->n_packets
;
4720 group
->byte_count
+= stats
->n_bytes
;
4722 bucket
->stats
.packet_count
+= stats
->n_packets
;
4723 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4724 } else { /* Credit to all buckets */
4725 struct ofputil_bucket
*bucket
;
4726 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4727 bucket
->stats
.packet_count
+= stats
->n_packets
;
4728 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4731 ovs_mutex_unlock(&group
->stats_mutex
);
4735 group_construct(struct ofgroup
*group_
)
4737 struct group_dpif
*group
= group_dpif_cast(group_
);
4739 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4740 ovs_mutex_lock(&group
->stats_mutex
);
4741 group_construct_stats(group
);
4742 ovs_mutex_unlock(&group
->stats_mutex
);
4747 group_destruct(struct ofgroup
*group_
)
4749 struct group_dpif
*group
= group_dpif_cast(group_
);
4750 ovs_mutex_destroy(&group
->stats_mutex
);
4754 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4756 struct group_dpif
*group
= group_dpif_cast(group_
);
4758 ovs_mutex_lock(&group
->stats_mutex
);
4759 ogs
->packet_count
= group
->packet_count
;
4760 ogs
->byte_count
= group
->byte_count
;
4762 struct bucket_counter
*bucket_stats
= ogs
->bucket_stats
;
4763 struct ofputil_bucket
*bucket
;
4764 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4765 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4766 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4769 ovs_mutex_unlock(&group
->stats_mutex
);
4774 /* If the group exists, this function increments the groups's reference count.
4776 * Make sure to call ofproto_group_unref() after no longer needing to maintain
4777 * a reference to the group. */
4779 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4780 ovs_version_t version
, bool take_ref
)
4782 struct ofgroup
*ofgroup
= ofproto_group_lookup(&ofproto
->up
, group_id
,
4784 return ofgroup
? group_dpif_cast(ofgroup
) : NULL
;
4787 /* Sends 'packet' out 'ofport'. If 'port' is a tunnel and that tunnel type
4788 * supports a notion of an OAM flag, sets it if 'oam' is true.
4789 * May modify 'packet'.
4790 * Returns 0 if successful, otherwise a positive errno value. */
4792 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, bool oam
,
4793 struct dp_packet
*packet
)
4795 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4798 error
= xlate_send_packet(ofport
, oam
, packet
);
4800 ovs_mutex_lock(&ofproto
->stats_mutex
);
4801 ofproto
->stats
.tx_packets
++;
4802 ofproto
->stats
.tx_bytes
+= dp_packet_size(packet
);
4803 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4807 /* Return the version string of the datapath that backs up
4811 get_datapath_version(const struct ofproto
*ofproto_
)
4813 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4815 return ofproto
->backer
->dp_version_string
;
4819 type_set_config(const char *type
, const struct smap
*other_config
)
4821 struct dpif_backer
*backer
;
4823 backer
= shash_find_data(&all_dpif_backers
, type
);
4825 /* This is not necessarily a problem, since backers are only
4826 * created on demand. */
4830 dpif_set_config(backer
->dpif
, other_config
);
4834 ct_flush(const struct ofproto
*ofproto_
, const uint16_t *zone
)
4836 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4838 ct_dpif_flush(ofproto
->backer
->dpif
, zone
);
4842 set_frag_handling(struct ofproto
*ofproto_
,
4843 enum ofputil_frag_handling frag_handling
)
4845 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4846 if (frag_handling
!= OFPUTIL_FRAG_REASM
) {
4847 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4855 nxt_resume(struct ofproto
*ofproto_
,
4856 const struct ofputil_packet_in_private
*pin
)
4858 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4860 /* Translate pin into datapath actions. */
4861 uint64_t odp_actions_stub
[1024 / 8];
4862 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
4863 enum slow_path_reason slow
;
4864 enum ofperr error
= xlate_resume(ofproto
, pin
, &odp_actions
, &slow
);
4866 /* Steal 'pin->packet' and put it into a dp_packet. */
4867 struct dp_packet packet
;
4868 dp_packet_init(&packet
, pin
->base
.packet_len
);
4869 dp_packet_put(&packet
, pin
->base
.packet
, pin
->base
.packet_len
);
4871 pkt_metadata_from_flow(&packet
.md
, &pin
->base
.flow_metadata
.flow
);
4873 /* Fix up in_port. */
4874 ofproto_dpif_set_packet_odp_port(ofproto
,
4875 pin
->base
.flow_metadata
.flow
.in_port
.ofp_port
,
4878 struct flow headers
;
4879 flow_extract(&packet
, &headers
);
4881 /* Execute the datapath actions on the packet. */
4882 struct dpif_execute execute
= {
4883 .actions
= odp_actions
.data
,
4884 .actions_len
= odp_actions
.size
,
4885 .needs_help
= (slow
& SLOW_ACTION
) != 0,
4889 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4892 ofpbuf_uninit(&odp_actions
);
4893 dp_packet_uninit(&packet
);
4901 set_netflow(struct ofproto
*ofproto_
,
4902 const struct netflow_options
*netflow_options
)
4904 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4906 if (netflow_options
) {
4907 if (!ofproto
->netflow
) {
4908 ofproto
->netflow
= netflow_create();
4909 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4911 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4912 } else if (ofproto
->netflow
) {
4913 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4914 netflow_unref(ofproto
->netflow
);
4915 ofproto
->netflow
= NULL
;
4922 get_netflow_ids(const struct ofproto
*ofproto_
,
4923 uint8_t *engine_type
, uint8_t *engine_id
)
4925 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4927 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4930 struct ofproto_dpif
*
4931 ofproto_dpif_lookup(const char *name
)
4933 struct ofproto_dpif
*ofproto
;
4935 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
4936 hash_string(name
, 0), &all_ofproto_dpifs
) {
4937 if (!strcmp(ofproto
->up
.name
, name
)) {
4945 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4946 const char *argv
[], void *aux OVS_UNUSED
)
4948 struct ofproto_dpif
*ofproto
;
4951 ofproto
= ofproto_dpif_lookup(argv
[1]);
4953 unixctl_command_reply_error(conn
, "no such bridge");
4956 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4957 mac_learning_flush(ofproto
->ml
);
4958 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4960 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4961 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4962 mac_learning_flush(ofproto
->ml
);
4963 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4967 unixctl_command_reply(conn
, "table successfully flushed");
4971 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4972 const char *argv
[], void *aux OVS_UNUSED
)
4974 struct ofproto_dpif
*ofproto
;
4977 ofproto
= ofproto_dpif_lookup(argv
[1]);
4979 unixctl_command_reply_error(conn
, "no such bridge");
4983 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4984 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4987 mcast_snooping_mdb_flush(ofproto
->ms
);
4989 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4990 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4993 mcast_snooping_mdb_flush(ofproto
->ms
);
4997 unixctl_command_reply(conn
, "table successfully flushed");
5000 static struct ofport_dpif
*
5001 ofbundle_get_a_port(const struct ofbundle
*bundle
)
5003 return CONTAINER_OF(ovs_list_front(&bundle
->ports
), struct ofport_dpif
,
5008 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5009 const char *argv
[], void *aux OVS_UNUSED
)
5011 struct ds ds
= DS_EMPTY_INITIALIZER
;
5012 const struct ofproto_dpif
*ofproto
;
5013 const struct mac_entry
*e
;
5015 ofproto
= ofproto_dpif_lookup(argv
[1]);
5017 unixctl_command_reply_error(conn
, "no such bridge");
5021 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
5022 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
5023 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
5024 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
5025 char name
[OFP10_MAX_PORT_NAME_LEN
];
5027 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5028 NULL
, name
, sizeof name
);
5029 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
5030 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
5031 mac_entry_age(ofproto
->ml
, e
));
5033 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
5034 unixctl_command_reply(conn
, ds_cstr(&ds
));
5039 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
5040 int argc OVS_UNUSED
,
5042 void *aux OVS_UNUSED
)
5044 struct ds ds
= DS_EMPTY_INITIALIZER
;
5045 const struct ofproto_dpif
*ofproto
;
5046 const struct ofbundle
*bundle
;
5047 const struct mcast_group
*grp
;
5048 struct mcast_group_bundle
*b
;
5049 struct mcast_mrouter_bundle
*mrouter
;
5051 ofproto
= ofproto_dpif_lookup(argv
[1]);
5053 unixctl_command_reply_error(conn
, "no such bridge");
5057 if (!mcast_snooping_enabled(ofproto
->ms
)) {
5058 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
5062 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
5063 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
5064 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
5065 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
5066 char name
[OFP10_MAX_PORT_NAME_LEN
];
5069 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5070 NULL
, name
, sizeof name
);
5071 ds_put_format(&ds
, "%5s %4d ", name
, grp
->vlan
);
5072 ipv6_format_mapped(&grp
->addr
, &ds
);
5073 ds_put_format(&ds
, " %3d\n",
5074 mcast_bundle_age(ofproto
->ms
, b
));
5078 /* ports connected to multicast routers */
5079 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
5080 char name
[OFP10_MAX_PORT_NAME_LEN
];
5082 bundle
= mrouter
->port
;
5083 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5084 NULL
, name
, sizeof name
);
5085 ds_put_format(&ds
, "%5s %4d querier %3d\n",
5086 name
, mrouter
->vlan
,
5087 mcast_mrouter_age(ofproto
->ms
, mrouter
));
5089 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
5090 unixctl_command_reply(conn
, ds_cstr(&ds
));
5094 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5095 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5096 * to destroy 'ofproto_shash' and free the returned value. */
5097 static const struct shash_node
**
5098 get_ofprotos(struct shash
*ofproto_shash
)
5100 const struct ofproto_dpif
*ofproto
;
5102 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
5103 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
5104 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
5107 return shash_sort(ofproto_shash
);
5111 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5112 const char *argv
[] OVS_UNUSED
,
5113 void *aux OVS_UNUSED
)
5115 struct ds ds
= DS_EMPTY_INITIALIZER
;
5116 struct shash ofproto_shash
;
5117 const struct shash_node
**sorted_ofprotos
;
5120 shash_init(&ofproto_shash
);
5121 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
5122 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5123 const struct shash_node
*node
= sorted_ofprotos
[i
];
5124 ds_put_format(&ds
, "%s\n", node
->name
);
5127 shash_destroy(&ofproto_shash
);
5128 free(sorted_ofprotos
);
5130 unixctl_command_reply(conn
, ds_cstr(&ds
));
5135 show_dp_feature_bool(struct ds
*ds
, const char *feature
, bool b
)
5137 ds_put_format(ds
, "%s: %s\n", feature
, b
? "Yes" : "No");
5141 show_dp_feature_size_t(struct ds
*ds
, const char *feature
, size_t s
)
5143 ds_put_format(ds
, "%s: %"PRIuSIZE
"\n", feature
, s
);
5147 dpif_show_support(const struct dpif_backer_support
*support
, struct ds
*ds
)
5149 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5150 show_dp_feature_##TYPE (ds, TITLE, support->NAME);
5152 #undef DPIF_SUPPORT_FIELD
5154 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5155 show_dp_feature_##TYPE (ds, TITLE, support->odp.NAME );
5157 #undef ODP_SUPPORT_FIELD
5161 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
5163 const struct shash_node
**ofprotos
;
5164 struct dpif_dp_stats dp_stats
;
5165 struct shash ofproto_shash
;
5168 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
5169 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
5170 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
5172 shash_init(&ofproto_shash
);
5173 ofprotos
= get_ofprotos(&ofproto_shash
);
5174 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5175 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
5176 const struct shash_node
**ports
;
5179 if (ofproto
->backer
!= backer
) {
5183 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
5185 ports
= shash_sort(&ofproto
->up
.port_by_name
);
5186 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
5187 const struct shash_node
*node
= ports
[j
];
5188 struct ofport
*ofport
= node
->data
;
5190 odp_port_t odp_port
;
5192 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
5195 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
5196 if (odp_port
!= ODPP_NONE
) {
5197 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
5199 ds_put_cstr(ds
, "none:");
5202 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
5205 if (!netdev_get_config(ofport
->netdev
, &config
)) {
5206 const struct smap_node
**nodes
;
5209 nodes
= smap_sort(&config
);
5210 for (i
= 0; i
< smap_count(&config
); i
++) {
5211 const struct smap_node
*node
= nodes
[i
];
5212 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
5213 node
->key
, node
->value
);
5217 smap_destroy(&config
);
5219 ds_put_char(ds
, ')');
5220 ds_put_char(ds
, '\n');
5224 shash_destroy(&ofproto_shash
);
5229 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5230 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
5232 struct ds ds
= DS_EMPTY_INITIALIZER
;
5233 const struct shash_node
**backers
;
5236 backers
= shash_sort(&all_dpif_backers
);
5237 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5238 dpif_show_backer(backers
[i
]->data
, &ds
);
5242 unixctl_command_reply(conn
, ds_cstr(&ds
));
5247 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
5248 int argc OVS_UNUSED
, const char *argv
[],
5249 void *aux OVS_UNUSED
)
5251 const struct ofproto_dpif
*ofproto
;
5253 struct ds ds
= DS_EMPTY_INITIALIZER
;
5255 struct dpif_flow_dump
*flow_dump
;
5256 struct dpif_flow_dump_thread
*flow_dump_thread
;
5260 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
5262 unixctl_command_reply_error(conn
, "no such bridge");
5266 bool verbosity
= false;
5268 bool set_names
= false;
5269 for (int i
= 1; i
< argc
- 1; i
++) {
5270 if (!strcmp(argv
[i
], "-m")) {
5272 } else if (!strcmp(argv
[i
], "--names")) {
5275 } else if (!strcmp(argv
[i
], "--no-names")) {
5284 struct hmap
*portno_names
= NULL
;
5286 portno_names
= xmalloc(sizeof *portno_names
);
5287 hmap_init(portno_names
);
5289 struct dpif_port dpif_port
;
5290 struct dpif_port_dump port_dump
;
5291 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5292 odp_portno_names_set(portno_names
, dpif_port
.port_no
,
5298 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false, NULL
);
5299 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5300 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5303 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5304 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5309 odp_format_ufid(&f
.ufid
, &ds
);
5310 ds_put_cstr(&ds
, " ");
5312 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5313 portno_names
, &ds
, verbosity
);
5314 ds_put_cstr(&ds
, ", ");
5315 dpif_flow_stats_format(&f
.stats
, &ds
);
5316 ds_put_cstr(&ds
, ", actions:");
5317 format_odp_actions(&ds
, f
.actions
, f
.actions_len
, portno_names
);
5318 ds_put_char(&ds
, '\n');
5320 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5321 error
= dpif_flow_dump_destroy(flow_dump
);
5325 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5326 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5328 unixctl_command_reply(conn
, ds_cstr(&ds
));
5331 odp_portno_names_destroy(portno_names
);
5332 hmap_destroy(portno_names
);
5339 ofproto_revalidate_all_backers(void)
5341 const struct shash_node
**backers
;
5344 backers
= shash_sort(&all_dpif_backers
);
5345 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5346 struct dpif_backer
*backer
= backers
[i
]->data
;
5347 backer
->need_revalidate
= REV_RECONFIGURE
;
5353 disable_tnl_push_pop(struct unixctl_conn
*conn OVS_UNUSED
, int argc OVS_UNUSED
,
5354 const char *argv
[], void *aux OVS_UNUSED
)
5356 if (!strcasecmp(argv
[1], "off")) {
5357 ofproto_use_tnl_push_pop
= false;
5358 unixctl_command_reply(conn
, "Tunnel push-pop off");
5359 ofproto_revalidate_all_backers();
5360 } else if (!strcasecmp(argv
[1], "on")) {
5361 ofproto_use_tnl_push_pop
= true;
5362 unixctl_command_reply(conn
, "Tunnel push-pop on");
5363 ofproto_revalidate_all_backers();
5365 unixctl_command_reply_error(conn
, "Invalid argument");
5370 disable_datapath_truncate(struct unixctl_conn
*conn OVS_UNUSED
,
5371 int argc OVS_UNUSED
,
5372 const char *argv
[] OVS_UNUSED
,
5373 void *aux OVS_UNUSED
)
5375 const struct shash_node
**backers
;
5378 backers
= shash_sort(&all_dpif_backers
);
5379 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5380 struct dpif_backer
*backer
= backers
[i
]->data
;
5381 backer
->support
.trunc
= false;
5384 unixctl_command_reply(conn
, "Datapath truncate action diabled");
5388 disable_datapath_clone(struct unixctl_conn
*conn OVS_UNUSED
,
5389 int argc
, const char *argv
[],
5390 void *aux OVS_UNUSED
)
5392 struct ds ds
= DS_EMPTY_INITIALIZER
;
5393 const char *br
= argv
[argc
-1];
5394 struct ofproto_dpif
*ofproto
;
5396 ofproto
= ofproto_dpif_lookup(br
);
5398 unixctl_command_reply_error(conn
, "no such bridge");
5401 xlate_disable_dp_clone(ofproto
);
5402 udpif_flush(ofproto
->backer
->udpif
);
5403 ds_put_format(&ds
, "Datapath clone action disabled for bridge %s", br
);
5404 unixctl_command_reply(conn
, ds_cstr(&ds
));
5409 ofproto_unixctl_dpif_show_dp_features(struct unixctl_conn
*conn
,
5410 int argc
, const char *argv
[],
5411 void *aux OVS_UNUSED
)
5413 struct ds ds
= DS_EMPTY_INITIALIZER
;
5414 const char *br
= argv
[argc
-1];
5415 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup(br
);
5418 unixctl_command_reply_error(conn
, "no such bridge");
5422 dpif_show_support(&ofproto
->backer
->support
, &ds
);
5423 unixctl_command_reply(conn
, ds_cstr(&ds
));
5427 ofproto_unixctl_init(void)
5429 static bool registered
;
5435 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5436 ofproto_unixctl_fdb_flush
, NULL
);
5437 unixctl_command_register("fdb/show", "bridge", 1, 1,
5438 ofproto_unixctl_fdb_show
, NULL
);
5439 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5440 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5441 unixctl_command_register("mdb/show", "bridge", 1, 1,
5442 ofproto_unixctl_mcast_snooping_show
, NULL
);
5443 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5444 ofproto_unixctl_dpif_dump_dps
, NULL
);
5445 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5447 unixctl_command_register("dpif/show-dp-features", "bridge", 1, 1,
5448 ofproto_unixctl_dpif_show_dp_features
, NULL
);
5449 unixctl_command_register("dpif/dump-flows", "[-m] [--names | --no-nmaes] bridge", 1, INT_MAX
,
5450 ofproto_unixctl_dpif_dump_flows
, NULL
);
5452 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5453 disable_tnl_push_pop
, NULL
);
5455 unixctl_command_register("dpif/disable-truncate", "", 0, 0,
5456 disable_datapath_truncate
, NULL
);
5458 unixctl_command_register("dpif/disable-dp-clone", "bridge", 1, 1,
5459 disable_datapath_clone
, NULL
);
5463 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5465 const struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
5466 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5469 struct ofport_dpif
*
5470 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5472 struct ofport_dpif
*port
;
5474 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5475 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5476 &backer
->odp_to_ofport_map
) {
5477 if (port
->odp_port
== odp_port
) {
5478 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5483 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5488 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5490 struct ofport_dpif
*port
;
5492 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5493 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5494 return port
->up
.ofp_port
;
5501 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5502 const struct match
*match
, int priority
,
5503 uint16_t idle_timeout
,
5504 const struct ofpbuf
*ofpacts
,
5505 struct rule
**rulep
)
5507 struct ofputil_flow_mod fm
;
5508 struct rule_dpif
*rule
;
5511 fm
= (struct ofputil_flow_mod
) {
5512 .buffer_id
= UINT32_MAX
,
5514 .priority
= priority
,
5515 .table_id
= TBL_INTERNAL
,
5516 .command
= OFPFC_ADD
,
5517 .idle_timeout
= idle_timeout
,
5518 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5519 .ofpacts
= ofpacts
->data
,
5520 .ofpacts_len
= ofpacts
->size
,
5523 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5525 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5526 ofperr_to_string(error
));
5531 rule
= rule_dpif_lookup_in_table(ofproto
,
5532 ofproto_dpif_get_tables_version(ofproto
),
5533 TBL_INTERNAL
, &fm
.match
.flow
,
5544 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5545 struct match
*match
, int priority
)
5547 struct ofputil_flow_mod fm
;
5550 fm
= (struct ofputil_flow_mod
) {
5551 .buffer_id
= UINT32_MAX
,
5553 .priority
= priority
,
5554 .table_id
= TBL_INTERNAL
,
5555 .out_port
= OFPP_ANY
,
5556 .out_group
= OFPG_ANY
,
5557 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5558 .command
= OFPFC_DELETE_STRICT
,
5561 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5563 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5564 ofperr_to_string(error
));
5572 meter_get_features(const struct ofproto
*ofproto_
,
5573 struct ofputil_meter_features
*features
)
5575 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5577 dpif_meter_get_features(ofproto
->backer
->dpif
, features
);
5581 meter_set(struct ofproto
*ofproto_
, ofproto_meter_id
*meter_id
,
5582 struct ofputil_meter_config
*config
)
5584 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5586 /* Provider ID unknown. Use backer to allocate a new DP meter */
5587 if (meter_id
->uint32
== UINT32_MAX
) {
5588 if (!ofproto
->backer
->meter_ids
) {
5589 return EFBIG
; /* Datapath does not support meter. */
5592 if(!id_pool_alloc_id(ofproto
->backer
->meter_ids
, &meter_id
->uint32
)) {
5593 return ENOMEM
; /* Can't allocate a DP meter. */
5597 switch (dpif_meter_set(ofproto
->backer
->dpif
, meter_id
, config
)) {
5600 case EFBIG
: /* meter_id out of range */
5601 case ENOMEM
: /* Cannot allocate meter */
5602 return OFPERR_OFPMMFC_OUT_OF_METERS
;
5603 case EBADF
: /* Unsupported flags */
5604 return OFPERR_OFPMMFC_BAD_FLAGS
;
5605 case EINVAL
: /* Too many bands */
5606 return OFPERR_OFPMMFC_OUT_OF_BANDS
;
5607 case ENODEV
: /* Unsupported band type */
5608 return OFPERR_OFPMMFC_BAD_BAND
;
5610 return OFPERR_OFPMMFC_UNKNOWN
;
5615 meter_get(const struct ofproto
*ofproto_
, ofproto_meter_id meter_id
,
5616 struct ofputil_meter_stats
*stats
, uint16_t n_bands
)
5618 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5620 if (!dpif_meter_get(ofproto
->backer
->dpif
, meter_id
, stats
, n_bands
)) {
5623 return OFPERR_OFPMMFC_UNKNOWN_METER
;
5626 struct free_meter_id_args
{
5627 struct ofproto_dpif
*ofproto
;
5628 ofproto_meter_id meter_id
;
5632 free_meter_id(struct free_meter_id_args
*args
)
5634 struct ofproto_dpif
*ofproto
= args
->ofproto
;
5636 dpif_meter_del(ofproto
->backer
->dpif
, args
->meter_id
, NULL
, 0);
5637 id_pool_free_id(ofproto
->backer
->meter_ids
, args
->meter_id
.uint32
);
5642 meter_del(struct ofproto
*ofproto_
, ofproto_meter_id meter_id
)
5644 struct free_meter_id_args
*arg
= xmalloc(sizeof *arg
);
5646 /* Before a meter can be deleted, Openflow spec requires all rules
5647 * referring to the meter to be (automatically) removed before the
5648 * meter is deleted. However, since vswitchd is multi-threaded,
5649 * those rules and their actions remain accessible by other threads,
5650 * especially by the handler and revalidator threads.
5651 * Postpone meter deletion after RCU grace period, so that ongoing
5652 * upcall translation or flow revalidation can complete. */
5653 arg
->ofproto
= ofproto_dpif_cast(ofproto_
);
5654 arg
->meter_id
= meter_id
;
5655 ovsrcu_postpone(free_meter_id
, arg
);
5658 const struct ofproto_class ofproto_dpif_class
= {
5672 NULL
, /* get_memory_usage. */
5673 type_get_memory_usage
,
5693 port_is_lacp_current
,
5694 port_get_lacp_stats
,
5695 NULL
, /* rule_choose_table */
5699 NULL
, /* rule_delete */
5704 packet_xlate_revert
,
5722 aa_vlan_get_queue_size
,
5729 get_stp_port_status
,
5734 get_rstp_port_status
,
5741 is_mirror_output_bundle
,
5742 forward_bpdu_changed
,
5743 set_mac_table_config
,
5745 set_mcast_snooping_port
,
5750 group_alloc
, /* group_alloc */
5751 group_construct
, /* group_construct */
5752 group_destruct
, /* group_destruct */
5753 group_dealloc
, /* group_dealloc */
5754 NULL
, /* group_modify */
5755 group_get_stats
, /* group_get_stats */
5756 get_datapath_version
, /* get_datapath_version */
5758 ct_flush
, /* ct_flush */