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 "openvswitch/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_dpif"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
->rt_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
->rt_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
;
802 /* Make a pristine snapshot of 'support' into 'boottime_support'.
803 * 'boottime_support' can be checked to prevent 'support' to be changed
804 * beyond the datapath capabilities. In case 'support' is changed by
805 * the user, 'boottime_support' can be used to restore it. */
806 backer
->bt_support
= backer
->rt_support
;
812 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
814 return ofproto_use_tnl_push_pop
815 && ofproto
->backer
->rt_support
.tnl_push_pop
816 && atomic_count_get(&ofproto
->backer
->tnl_count
);
819 /* Tests whether 'backer''s datapath supports recirculation. Only newer
820 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
821 * features on older datapaths that don't support this feature.
823 * Returns false if 'backer' definitely does not support recirculation, true if
824 * it seems to support recirculation or if at least the error we get is
827 check_recirc(struct dpif_backer
*backer
)
830 struct odputil_keybuf keybuf
;
833 struct odp_flow_key_parms odp_parms
= {
840 memset(&flow
, 0, sizeof flow
);
844 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
845 odp_flow_key_from_flow(&odp_parms
, &key
);
846 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
850 VLOG_INFO("%s: Datapath supports recirculation",
851 dpif_name(backer
->dpif
));
853 VLOG_INFO("%s: Datapath does not support recirculation",
854 dpif_name(backer
->dpif
));
857 return enable_recirc
;
860 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
861 * some flow attributes for datapaths that support this feature.
863 * Returns true if 'dpif' supports UFID for flow operations.
864 * Returns false if 'dpif' does not support UFID. */
866 check_ufid(struct dpif_backer
*backer
)
869 struct odputil_keybuf keybuf
;
873 struct odp_flow_key_parms odp_parms
= {
877 memset(&flow
, 0, sizeof flow
);
878 flow
.dl_type
= htons(0x1234);
880 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
881 odp_flow_key_from_flow(&odp_parms
, &key
);
882 dpif_flow_hash(backer
->dpif
, key
.data
, key
.size
, &ufid
);
884 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, NULL
, &ufid
);
887 VLOG_INFO("%s: Datapath supports unique flow ids",
888 dpif_name(backer
->dpif
));
890 VLOG_INFO("%s: Datapath does not support unique flow ids",
891 dpif_name(backer
->dpif
));
896 /* Tests whether 'backer''s datapath supports variable-length
897 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
898 * to disable some features on older datapaths that don't support this
901 * Returns false if 'backer' definitely does not support variable-length
902 * userdata, true if it seems to support them or if at least the error we get
905 check_variable_length_userdata(struct dpif_backer
*backer
)
907 struct eth_header
*eth
;
908 struct ofpbuf actions
;
909 struct dpif_execute execute
;
910 struct dp_packet packet
;
915 /* Compose a userspace action that will cause an ERANGE error on older
916 * datapaths that don't support variable-length userdata.
918 * We really test for using userdata longer than 8 bytes, but older
919 * datapaths accepted these, silently truncating the userdata to 8 bytes.
920 * The same older datapaths rejected userdata shorter than 8 bytes, so we
921 * test for that instead as a proxy for longer userdata support. */
922 ofpbuf_init(&actions
, 64);
923 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
924 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
925 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
926 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
927 nl_msg_end_nested(&actions
, start
);
929 /* Compose a dummy ethernet packet. */
930 dp_packet_init(&packet
, ETH_HEADER_LEN
);
931 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
932 eth
->eth_type
= htons(0x1234);
934 flow_extract(&packet
, &flow
);
936 /* Execute the actions. On older datapaths this fails with ERANGE, on
937 * newer datapaths it succeeds. */
938 execute
.actions
= actions
.data
;
939 execute
.actions_len
= actions
.size
;
940 execute
.packet
= &packet
;
941 execute
.flow
= &flow
;
942 execute
.needs_help
= false;
943 execute
.probe
= true;
946 error
= dpif_execute(backer
->dpif
, &execute
);
948 dp_packet_uninit(&packet
);
949 ofpbuf_uninit(&actions
);
956 /* Variable-length userdata is not supported. */
957 VLOG_WARN("%s: datapath does not support variable-length userdata "
958 "feature (needs Linux 3.10+ or kernel module from OVS "
959 "1..11+). The NXAST_SAMPLE action will be ignored.",
960 dpif_name(backer
->dpif
));
964 /* Something odd happened. We're not sure whether variable-length
965 * userdata is supported. Default to "yes". */
966 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
967 dpif_name(backer
->dpif
), ovs_strerror(error
));
972 /* Tests number of 802.1q VLAN headers supported by 'backer''s datapath.
974 * Returns the number of elements in a struct flow's vlan
975 * if the datapath supports at least that many VLAN headers. */
977 check_max_vlan_headers(struct dpif_backer
*backer
)
980 struct odp_flow_key_parms odp_parms
= {
986 memset(&flow
, 0, sizeof flow
);
987 flow
.dl_type
= htons(ETH_TYPE_IP
);
988 for (n
= 0; n
< FLOW_MAX_VLAN_HEADERS
; n
++) {
989 struct odputil_keybuf keybuf
;
992 flow_push_vlan_uninit(&flow
, NULL
);
993 flow
.vlans
[0].tpid
= htons(ETH_TYPE_VLAN
);
994 flow
.vlans
[0].tci
= htons(1) | htons(VLAN_CFI
);
996 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
997 odp_flow_key_from_flow(&odp_parms
, &key
);
998 if (!dpif_probe_feature(backer
->dpif
, "VLAN", &key
, NULL
, NULL
)) {
1003 VLOG_INFO("%s: VLAN header stack length probed as %d",
1004 dpif_name(backer
->dpif
), n
);
1007 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1009 * Returns the number of elements in a struct flow's mpls_lse field
1010 * if the datapath supports at least that many entries in an
1012 * Otherwise returns the number of MPLS push actions supported by
1015 check_max_mpls_depth(struct dpif_backer
*backer
)
1020 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1021 struct odputil_keybuf keybuf
;
1023 struct odp_flow_key_parms odp_parms
= {
1027 memset(&flow
, 0, sizeof flow
);
1028 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1029 flow_set_mpls_bos(&flow
, n
, 1);
1031 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1032 odp_flow_key_from_flow(&odp_parms
, &key
);
1033 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
, NULL
)) {
1038 VLOG_INFO("%s: MPLS label stack length probed as %d",
1039 dpif_name(backer
->dpif
), n
);
1044 add_sample_actions(struct ofpbuf
*actions
, int nesting
)
1047 nl_msg_put_odp_port(actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1051 size_t start
, actions_start
;
1053 start
= nl_msg_start_nested(actions
, OVS_ACTION_ATTR_SAMPLE
);
1054 actions_start
= nl_msg_start_nested(actions
, OVS_SAMPLE_ATTR_ACTIONS
);
1055 add_sample_actions(actions
, nesting
- 1);
1056 nl_msg_end_nested(actions
, actions_start
);
1057 nl_msg_put_u32(actions
, OVS_SAMPLE_ATTR_PROBABILITY
, UINT32_MAX
);
1058 nl_msg_end_nested(actions
, start
);
1061 /* Tests the nested sample actions levels supported by 'backer''s datapath.
1063 * Returns the number of nested sample actions accepted by the datapath. */
1065 check_max_sample_nesting(struct dpif_backer
*backer
)
1067 struct odputil_keybuf keybuf
;
1072 struct odp_flow_key_parms odp_parms
= {
1076 memset(&flow
, 0, sizeof flow
);
1077 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1078 odp_flow_key_from_flow(&odp_parms
, &key
);
1080 /* OVS datapath has always supported at least 3 nested levels. */
1081 for (n
= 3; n
< FLOW_MAX_SAMPLE_NESTING
; n
++) {
1082 struct ofpbuf actions
;
1085 ofpbuf_init(&actions
, 300);
1086 add_sample_actions(&actions
, n
);
1087 ok
= dpif_probe_feature(backer
->dpif
, "Sample action nesting", &key
,
1089 ofpbuf_uninit(&actions
);
1095 VLOG_INFO("%s: Max sample nesting level probed as %d",
1096 dpif_name(backer
->dpif
), n
);
1100 /* Tests whether 'backer''s datapath supports masked data in
1101 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1102 * datapaths that don't support this feature. */
1104 check_masked_set_action(struct dpif_backer
*backer
)
1106 struct eth_header
*eth
;
1107 struct ofpbuf actions
;
1108 struct dpif_execute execute
;
1109 struct dp_packet packet
;
1112 struct ovs_key_ethernet key
, mask
;
1114 /* Compose a set action that will cause an EINVAL error on older
1115 * datapaths that don't support masked set actions.
1116 * Avoid using a full mask, as it could be translated to a non-masked
1117 * set action instead. */
1118 ofpbuf_init(&actions
, 64);
1119 memset(&key
, 0x53, sizeof key
);
1120 memset(&mask
, 0x7f, sizeof mask
);
1121 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1124 /* Compose a dummy ethernet packet. */
1125 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1126 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1127 eth
->eth_type
= htons(0x1234);
1129 flow_extract(&packet
, &flow
);
1131 /* Execute the actions. On older datapaths this fails with EINVAL, on
1132 * newer datapaths it succeeds. */
1133 execute
.actions
= actions
.data
;
1134 execute
.actions_len
= actions
.size
;
1135 execute
.packet
= &packet
;
1136 execute
.flow
= &flow
;
1137 execute
.needs_help
= false;
1138 execute
.probe
= true;
1141 error
= dpif_execute(backer
->dpif
, &execute
);
1143 dp_packet_uninit(&packet
);
1144 ofpbuf_uninit(&actions
);
1147 /* Masked set action is not supported. */
1148 VLOG_INFO("%s: datapath does not support masked set action feature.",
1149 dpif_name(backer
->dpif
));
1154 /* Tests whether 'backer''s datapath supports truncation of a packet in
1155 * OVS_ACTION_ATTR_TRUNC. We need to disable some features on older
1156 * datapaths that don't support this feature. */
1158 check_trunc_action(struct dpif_backer
*backer
)
1160 struct eth_header
*eth
;
1161 struct ofpbuf actions
;
1162 struct dpif_execute execute
;
1163 struct dp_packet packet
;
1164 struct ovs_action_trunc
*trunc
;
1168 /* Compose an action with output(port:1,
1169 * max_len:OVS_ACTION_OUTPUT_MIN + 1).
1170 * This translates to one truncate action and one output action. */
1171 ofpbuf_init(&actions
, 64);
1172 trunc
= nl_msg_put_unspec_uninit(&actions
,
1173 OVS_ACTION_ATTR_TRUNC
, sizeof *trunc
);
1175 trunc
->max_len
= ETH_HEADER_LEN
+ 1;
1176 nl_msg_put_odp_port(&actions
, OVS_ACTION_ATTR_OUTPUT
, u32_to_odp(1));
1178 /* Compose a dummy Ethernet packet. */
1179 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1180 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1181 eth
->eth_type
= htons(0x1234);
1183 flow_extract(&packet
, &flow
);
1185 /* Execute the actions. On older datapaths this fails with EINVAL, on
1186 * newer datapaths it succeeds. */
1187 execute
.actions
= actions
.data
;
1188 execute
.actions_len
= actions
.size
;
1189 execute
.packet
= &packet
;
1190 execute
.flow
= &flow
;
1191 execute
.needs_help
= false;
1192 execute
.probe
= true;
1195 error
= dpif_execute(backer
->dpif
, &execute
);
1197 dp_packet_uninit(&packet
);
1198 ofpbuf_uninit(&actions
);
1201 VLOG_INFO("%s: Datapath does not support truncate action",
1202 dpif_name(backer
->dpif
));
1204 VLOG_INFO("%s: Datapath supports truncate action",
1205 dpif_name(backer
->dpif
));
1211 /* Tests whether 'backer''s datapath supports the clone action
1212 * OVS_ACTION_ATTR_CLONE. */
1214 check_clone(struct dpif_backer
*backer
)
1216 struct dpif_execute execute
;
1217 struct eth_header
*eth
;
1219 struct dp_packet packet
;
1220 struct ofpbuf actions
;
1224 /* Compose clone with an empty action list.
1225 * and check if datapath can decode the message. */
1226 ofpbuf_init(&actions
, 64);
1227 clone_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CLONE
);
1228 nl_msg_end_nested(&actions
, clone_start
);
1230 /* Compose a dummy Ethernet packet. */
1231 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1232 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1233 eth
->eth_type
= htons(0x1234);
1235 flow_extract(&packet
, &flow
);
1237 /* Execute the actions. On older datapaths this fails with EINVAL, on
1238 * newer datapaths it succeeds. */
1239 execute
.actions
= actions
.data
;
1240 execute
.actions_len
= actions
.size
;
1241 execute
.packet
= &packet
;
1242 execute
.flow
= &flow
;
1243 execute
.needs_help
= false;
1244 execute
.probe
= true;
1247 error
= dpif_execute(backer
->dpif
, &execute
);
1249 dp_packet_uninit(&packet
);
1250 ofpbuf_uninit(&actions
);
1253 VLOG_INFO("%s: Datapath does not support clone action",
1254 dpif_name(backer
->dpif
));
1256 VLOG_INFO("%s: Datapath supports clone action",
1257 dpif_name(backer
->dpif
));
1263 /* Tests whether 'backer''s datapath supports the OVS_CT_ATTR_EVENTMASK
1264 * attribute in OVS_ACTION_ATTR_CT. */
1266 check_ct_eventmask(struct dpif_backer
*backer
)
1268 struct dpif_execute execute
;
1269 struct dp_packet packet
;
1270 struct ofpbuf actions
;
1271 struct flow flow
= {
1272 .dl_type
= CONSTANT_HTONS(ETH_TYPE_IP
),
1273 .nw_proto
= IPPROTO_UDP
,
1275 /* Use the broadcast address on the loopback address range 127/8 to
1276 * avoid hitting any real conntrack entries. We leave the UDP ports to
1277 * zeroes for the same purpose. */
1278 .nw_src
= CONSTANT_HTONL(0x7fffffff),
1279 .nw_dst
= CONSTANT_HTONL(0x7fffffff),
1284 /* Compose CT action with eventmask attribute and check if datapath can
1285 * decode the message. */
1286 ofpbuf_init(&actions
, 64);
1287 ct_start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_CT
);
1288 /* Eventmask has no effect without the commit flag, but currently the
1289 * datapath will accept an eventmask even without commit. This is useful
1290 * as we do not want to persist the probe connection in the conntrack
1292 nl_msg_put_u32(&actions
, OVS_CT_ATTR_EVENTMASK
, ~0);
1293 nl_msg_end_nested(&actions
, ct_start
);
1295 /* Compose a dummy UDP packet. */
1296 dp_packet_init(&packet
, 0);
1297 flow_compose(&packet
, &flow
, 0);
1299 /* Execute the actions. On older datapaths this fails with EINVAL, on
1300 * newer datapaths it succeeds. */
1301 execute
.actions
= actions
.data
;
1302 execute
.actions_len
= actions
.size
;
1303 execute
.packet
= &packet
;
1304 execute
.flow
= &flow
;
1305 execute
.needs_help
= false;
1306 execute
.probe
= true;
1309 error
= dpif_execute(backer
->dpif
, &execute
);
1311 dp_packet_uninit(&packet
);
1312 ofpbuf_uninit(&actions
);
1315 VLOG_INFO("%s: Datapath does not support eventmask in conntrack action",
1316 dpif_name(backer
->dpif
));
1318 VLOG_INFO("%s: Datapath supports eventmask in conntrack action",
1319 dpif_name(backer
->dpif
));
1325 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE, ETHTYPE) \
1327 check_##NAME(struct dpif_backer *backer) \
1330 struct odputil_keybuf keybuf; \
1331 struct ofpbuf key; \
1333 struct odp_flow_key_parms odp_parms = { \
1340 memset(&flow, 0, sizeof flow); \
1341 flow.FIELD = VALUE; \
1342 flow.dl_type = htons(ETHTYPE); \
1344 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1345 odp_flow_key_from_flow(&odp_parms, &key); \
1346 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL, NULL); \
1349 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1351 VLOG_INFO("%s: Datapath does not support "#NAME, \
1352 dpif_name(backer->dpif)); \
1357 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1, \
1360 CHECK_FEATURE(ct_state
)
1361 CHECK_FEATURE(ct_zone
)
1362 CHECK_FEATURE(ct_mark
)
1363 CHECK_FEATURE__(ct_label
, ct_label
, ct_label
.u64
.lo
, 1, ETH_TYPE_IP
)
1364 CHECK_FEATURE__(ct_state_nat
, ct_state
, ct_state
, \
1365 CS_TRACKED
|CS_SRC_NAT
, ETH_TYPE_IP
)
1366 CHECK_FEATURE__(ct_orig_tuple
, ct_orig_tuple
, ct_nw_proto
, 1, ETH_TYPE_IP
)
1367 CHECK_FEATURE__(ct_orig_tuple6
, ct_orig_tuple6
, ct_nw_proto
, 1, ETH_TYPE_IPV6
)
1369 #undef CHECK_FEATURE
1370 #undef CHECK_FEATURE__
1373 check_support(struct dpif_backer
*backer
)
1375 /* This feature needs to be tested after udpif threads are set. */
1376 backer
->rt_support
.variable_length_userdata
= false;
1379 backer
->rt_support
.odp
.recirc
= check_recirc(backer
);
1380 backer
->rt_support
.odp
.max_vlan_headers
= check_max_vlan_headers(backer
);
1381 backer
->rt_support
.odp
.max_mpls_depth
= check_max_mpls_depth(backer
);
1382 backer
->rt_support
.masked_set_action
= check_masked_set_action(backer
);
1383 backer
->rt_support
.trunc
= check_trunc_action(backer
);
1384 backer
->rt_support
.ufid
= check_ufid(backer
);
1385 backer
->rt_support
.tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1386 backer
->rt_support
.clone
= check_clone(backer
);
1387 backer
->rt_support
.sample_nesting
= check_max_sample_nesting(backer
);
1388 backer
->rt_support
.ct_eventmask
= check_ct_eventmask(backer
);
1391 backer
->rt_support
.odp
.ct_state
= check_ct_state(backer
);
1392 backer
->rt_support
.odp
.ct_zone
= check_ct_zone(backer
);
1393 backer
->rt_support
.odp
.ct_mark
= check_ct_mark(backer
);
1394 backer
->rt_support
.odp
.ct_label
= check_ct_label(backer
);
1396 backer
->rt_support
.odp
.ct_state_nat
= check_ct_state_nat(backer
);
1397 backer
->rt_support
.odp
.ct_orig_tuple
= check_ct_orig_tuple(backer
);
1398 backer
->rt_support
.odp
.ct_orig_tuple6
= check_ct_orig_tuple6(backer
);
1402 construct(struct ofproto
*ofproto_
)
1404 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1405 struct shash_node
*node
, *next
;
1408 /* Tunnel module can get used right after the udpif threads are running. */
1409 ofproto_tunnel_init();
1411 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1416 uuid_generate(&ofproto
->uuid
);
1417 atomic_init(&ofproto
->tables_version
, OVS_VERSION_MIN
);
1418 ofproto
->netflow
= NULL
;
1419 ofproto
->sflow
= NULL
;
1420 ofproto
->ipfix
= NULL
;
1421 ofproto
->stp
= NULL
;
1422 ofproto
->rstp
= NULL
;
1423 ofproto
->dump_seq
= 0;
1424 hmap_init(&ofproto
->bundles
);
1425 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1427 ofproto
->mbridge
= mbridge_create();
1428 ofproto
->has_bonded_bundles
= false;
1429 ofproto
->lacp_enabled
= false;
1430 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1432 guarded_list_init(&ofproto
->ams
);
1434 sset_init(&ofproto
->ports
);
1435 sset_init(&ofproto
->ghost_ports
);
1436 sset_init(&ofproto
->port_poll_set
);
1437 ofproto
->port_poll_errno
= 0;
1438 ofproto
->change_seq
= 0;
1439 ofproto
->ams_seq
= seq_create();
1440 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1443 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1444 struct iface_hint
*iface_hint
= node
->data
;
1446 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1447 /* Check if the datapath already has this port. */
1448 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1449 sset_add(&ofproto
->ports
, node
->name
);
1452 free(iface_hint
->br_name
);
1453 free(iface_hint
->br_type
);
1455 shash_delete(&init_ofp_ports
, node
);
1459 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1460 hash_string(ofproto
->up
.name
, 0));
1461 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1463 ofproto_init_tables(ofproto_
, N_TABLES
);
1464 error
= add_internal_flows(ofproto
);
1466 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1472 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1473 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1479 match_init_catchall(&match
);
1480 match_set_reg(&match
, 0, id
);
1482 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1484 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1490 add_internal_flows(struct ofproto_dpif
*ofproto
)
1492 struct ofpact_controller
*controller
;
1493 uint64_t ofpacts_stub
[128 / 8];
1494 struct ofpbuf ofpacts
;
1495 struct rule
*unused_rulep OVS_UNUSED
;
1500 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1503 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1504 controller
->max_len
= UINT16_MAX
;
1505 controller
->controller_id
= 0;
1506 controller
->reason
= OFPR_IMPLICIT_MISS
;
1507 ofpact_finish_CONTROLLER(&ofpacts
, &controller
);
1509 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1510 &ofproto
->miss_rule
);
1515 ofpbuf_clear(&ofpacts
);
1516 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1517 &ofproto
->no_packet_in_rule
);
1522 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1523 &ofproto
->drop_frags_rule
);
1528 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1529 * zero when reaching this rule.
1531 * (priority=2), recirc_id=0, actions=drop
1533 ofpbuf_clear(&ofpacts
);
1534 match_init_catchall(&match
);
1535 match_set_recirc_id(&match
, 0);
1536 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1542 destruct(struct ofproto
*ofproto_
, bool del
)
1544 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1545 struct ofproto_async_msg
*am
;
1546 struct rule_dpif
*rule
;
1547 struct oftable
*table
;
1548 struct ovs_list ams
;
1550 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1552 xlate_remove_ofproto(ofproto
);
1555 /* Ensure that the upcall processing threads have no remaining references
1556 * to the ofproto or anything in it. */
1557 udpif_synchronize(ofproto
->backer
->udpif
);
1559 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1561 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1562 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1563 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1566 ofproto_group_delete_all(&ofproto
->up
);
1568 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1569 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1570 ofproto_async_msg_free(am
);
1572 guarded_list_destroy(&ofproto
->ams
);
1574 recirc_free_ofproto(ofproto
, ofproto
->up
.name
);
1576 mbridge_unref(ofproto
->mbridge
);
1578 netflow_unref(ofproto
->netflow
);
1579 dpif_sflow_unref(ofproto
->sflow
);
1580 dpif_ipfix_unref(ofproto
->ipfix
);
1581 hmap_destroy(&ofproto
->bundles
);
1582 mac_learning_unref(ofproto
->ml
);
1583 mcast_snooping_unref(ofproto
->ms
);
1584 stp_unref(ofproto
->stp
);
1585 rstp_unref(ofproto
->rstp
);
1587 sset_destroy(&ofproto
->ports
);
1588 sset_destroy(&ofproto
->ghost_ports
);
1589 sset_destroy(&ofproto
->port_poll_set
);
1591 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1593 seq_destroy(ofproto
->ams_seq
);
1595 close_dpif_backer(ofproto
->backer
, del
);
1599 run(struct ofproto
*ofproto_
)
1601 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1602 uint64_t new_seq
, new_dump_seq
;
1604 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1605 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1606 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1607 mac_learning_flush(ofproto
->ml
);
1608 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1609 mcast_snooping_mdb_flush(ofproto
->ms
);
1612 /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during
1613 * flow restore. Even though nothing is processed during flow restore,
1614 * all queued 'ams' will be handled immediately when flow restore
1616 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1618 /* Do not perform any periodic activity required by 'ofproto' while
1619 * waiting for flow restore to complete. */
1620 if (!ofproto_get_flow_restore_wait()) {
1621 struct ofproto_async_msg
*am
;
1622 struct ovs_list ams
;
1624 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1625 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1626 connmgr_send_async_msg(ofproto
->up
.connmgr
, am
);
1627 ofproto_async_msg_free(am
);
1631 if (ofproto
->netflow
) {
1632 netflow_run(ofproto
->netflow
);
1634 if (ofproto
->sflow
) {
1635 dpif_sflow_run(ofproto
->sflow
);
1637 if (ofproto
->ipfix
) {
1638 dpif_ipfix_run(ofproto
->ipfix
);
1641 new_seq
= seq_read(connectivity_seq_get());
1642 if (ofproto
->change_seq
!= new_seq
) {
1643 struct ofport_dpif
*ofport
;
1645 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1649 ofproto
->change_seq
= new_seq
;
1651 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1652 struct ofbundle
*bundle
;
1654 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1661 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1662 if (mac_learning_run(ofproto
->ml
)) {
1663 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1665 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1667 if (mcast_snooping_run(ofproto
->ms
)) {
1668 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1671 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1672 if (ofproto
->dump_seq
!= new_dump_seq
) {
1673 struct rule
*rule
, *next_rule
;
1674 long long now
= time_msec();
1676 /* We know stats are relatively fresh, so now is a good time to do some
1678 ofproto
->dump_seq
= new_dump_seq
;
1680 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1682 ovs_mutex_lock(&ofproto_mutex
);
1683 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1684 &ofproto
->up
.expirable
) {
1685 rule_expire(rule_dpif_cast(rule
), now
);
1687 ovs_mutex_unlock(&ofproto_mutex
);
1689 /* All outstanding data in existing flows has been accounted, so it's a
1690 * good time to do bond rebalancing. */
1691 if (ofproto
->has_bonded_bundles
) {
1692 struct ofbundle
*bundle
;
1694 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1696 bond_rebalance(bundle
->bond
);
1705 ofproto_dpif_wait(struct ofproto
*ofproto_
)
1707 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1709 if (ofproto_get_flow_restore_wait()) {
1713 if (ofproto
->sflow
) {
1714 dpif_sflow_wait(ofproto
->sflow
);
1716 if (ofproto
->ipfix
) {
1717 dpif_ipfix_wait(ofproto
->ipfix
);
1719 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1720 struct ofbundle
*bundle
;
1722 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1723 bundle_wait(bundle
);
1726 if (ofproto
->netflow
) {
1727 netflow_wait(ofproto
->netflow
);
1729 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1730 mac_learning_wait(ofproto
->ml
);
1731 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1732 mcast_snooping_wait(ofproto
->ms
);
1734 if (ofproto
->backer
->need_revalidate
) {
1735 poll_immediate_wake();
1738 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1739 seq_wait(ofproto
->ams_seq
, ofproto
->ams_seqno
);
1743 type_get_memory_usage(const char *type
, struct simap
*usage
)
1745 struct dpif_backer
*backer
;
1747 backer
= shash_find_data(&all_dpif_backers
, type
);
1749 udpif_get_memory_usage(backer
->udpif
, usage
);
1754 flush(struct ofproto
*ofproto_
)
1756 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1757 struct dpif_backer
*backer
= ofproto
->backer
;
1760 udpif_flush(backer
->udpif
);
1765 query_tables(struct ofproto
*ofproto
,
1766 struct ofputil_table_features
*features
,
1767 struct ofputil_table_stats
*stats
)
1769 strcpy(features
->name
, "classifier");
1774 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1775 unsigned long missed
, matched
;
1777 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1778 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1780 stats
[i
].matched_count
= matched
;
1781 stats
[i
].lookup_count
= matched
+ missed
;
1787 set_tables_version(struct ofproto
*ofproto_
, ovs_version_t version
)
1789 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1791 /* Use memory_order_release to signify that any prior memory accesses can
1792 * not be reordered to happen after this atomic store. This makes sure the
1793 * new version is properly set up when the readers can read this 'version'
1795 atomic_store_explicit(&ofproto
->tables_version
, version
,
1796 memory_order_release
);
1797 /* 'need_revalidate' can be reordered to happen before the atomic_store
1798 * above, but it does not matter as this variable is not accessed by other
1800 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
1803 static struct ofport
*
1806 struct ofport_dpif
*port
= xzalloc(sizeof *port
);
1811 port_dealloc(struct ofport
*port_
)
1813 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1818 port_construct(struct ofport
*port_
)
1820 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1821 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1822 const struct netdev
*netdev
= port
->up
.netdev
;
1823 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1824 const char *dp_port_name
;
1825 struct dpif_port dpif_port
;
1828 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1829 port
->bundle
= NULL
;
1833 port
->may_enable
= false;
1834 port
->stp_port
= NULL
;
1835 port
->stp_state
= STP_DISABLED
;
1836 port
->rstp_port
= NULL
;
1837 port
->rstp_state
= RSTP_DISABLED
;
1838 port
->is_tunnel
= false;
1842 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1844 if (netdev_vport_is_patch(netdev
)) {
1845 /* By bailing out here, we don't submit the port to the sFlow module
1846 * to be considered for counter polling export. This is correct
1847 * because the patch port represents an interface that sFlow considers
1848 * to be "internal" to the switch as a whole, and therefore not a
1849 * candidate for counter polling. */
1850 port
->odp_port
= ODPP_NONE
;
1851 ofport_update_peer(port
);
1855 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1856 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
, dp_port_name
,
1862 port
->odp_port
= dpif_port
.port_no
;
1864 if (netdev_get_tunnel_config(netdev
)) {
1865 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1866 error
= tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1867 ovs_native_tunneling_is_on(ofproto
), dp_port_name
);
1869 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1870 dpif_port_destroy(&dpif_port
);
1874 port
->is_tunnel
= true;
1875 if (ofproto
->ipfix
) {
1876 dpif_ipfix_add_tunnel_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1879 /* Sanity-check that a mapping doesn't already exist. This
1880 * shouldn't happen for non-tunnel ports. */
1881 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1882 VLOG_ERR("port %s already has an OpenFlow port number",
1884 dpif_port_destroy(&dpif_port
);
1888 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1889 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1890 hash_odp_port(port
->odp_port
));
1891 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1893 dpif_port_destroy(&dpif_port
);
1895 if (ofproto
->sflow
) {
1896 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1903 port_destruct(struct ofport
*port_
, bool del
)
1905 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1906 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1907 const char *devname
= netdev_get_name(port
->up
.netdev
);
1908 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1909 const char *dp_port_name
;
1911 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1913 xlate_ofport_remove(port
);
1916 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1918 if (del
&& dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1919 /* The underlying device is still there, so delete it. This
1920 * happens when the ofproto is being destroyed, since the caller
1921 * assumes that removal of attached ports will happen as part of
1923 if (!port
->is_tunnel
) {
1924 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1929 port
->peer
->peer
= NULL
;
1933 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1934 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1935 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1936 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1939 if (port
->is_tunnel
) {
1940 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1943 if (port
->is_tunnel
&& ofproto
->ipfix
) {
1944 dpif_ipfix_del_tunnel_port(ofproto
->ipfix
, port
->odp_port
);
1948 sset_find_and_delete(&ofproto
->ports
, devname
);
1949 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1950 bundle_remove(port_
);
1951 set_cfm(port_
, NULL
);
1952 set_bfd(port_
, NULL
);
1953 set_lldp(port_
, NULL
);
1954 if (port
->stp_port
) {
1955 stp_port_disable(port
->stp_port
);
1957 set_rstp_port(port_
, NULL
);
1958 if (ofproto
->sflow
) {
1959 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1966 port_modified(struct ofport
*port_
)
1968 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1969 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1970 const char *dp_port_name
;
1971 struct netdev
*netdev
= port
->up
.netdev
;
1973 if (port
->bundle
&& port
->bundle
->bond
) {
1974 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1978 cfm_set_netdev(port
->cfm
, netdev
);
1982 bfd_set_netdev(port
->bfd
, netdev
);
1985 /* Set liveness, unless the link is administratively or
1986 * operationally down or link monitoring false */
1987 if (!(port
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
1988 !(port
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
) &&
1990 port
->up
.pp
.state
|= OFPUTIL_PS_LIVE
;
1992 port
->up
.pp
.state
&= ~OFPUTIL_PS_LIVE
;
1995 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1996 port
->lldp
, &port
->up
.pp
.hw_addr
);
1998 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
2000 if (port
->is_tunnel
) {
2001 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
2003 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
,
2004 ovs_native_tunneling_is_on(ofproto
),
2006 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2010 ofport_update_peer(port
);
2014 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
2016 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2017 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
2018 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
2020 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
2021 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
2022 OFPUTIL_PC_NO_PACKET_IN
)) {
2023 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2025 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
2026 bundle_update(port
->bundle
);
2032 set_sflow(struct ofproto
*ofproto_
,
2033 const struct ofproto_sflow_options
*sflow_options
)
2035 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2036 struct dpif_sflow
*ds
= ofproto
->sflow
;
2038 if (sflow_options
) {
2039 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
2041 struct ofport_dpif
*ofport
;
2043 ds
= ofproto
->sflow
= dpif_sflow_create();
2044 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2045 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
2048 dpif_sflow_set_options(ds
, sflow_options
);
2049 if (dpif_sflow_get_probability(ds
) != old_probability
) {
2050 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2054 dpif_sflow_unref(ds
);
2055 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2056 ofproto
->sflow
= NULL
;
2064 struct ofproto
*ofproto_
,
2065 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
2066 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
2067 size_t n_flow_exporters_options
)
2069 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2070 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2071 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
2072 bool new_di
= false;
2074 if (has_options
&& !di
) {
2075 di
= ofproto
->ipfix
= dpif_ipfix_create();
2080 /* Call set_options in any case to cleanly flush the flow
2081 * caches in the last exporters that are to be destroyed. */
2082 dpif_ipfix_set_options(
2083 di
, bridge_exporter_options
, flow_exporters_options
,
2084 n_flow_exporters_options
);
2086 /* Add tunnel ports only when a new ipfix created */
2087 if (new_di
== true) {
2088 struct ofport_dpif
*ofport
;
2089 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2090 if (ofport
->is_tunnel
== true) {
2091 dpif_ipfix_add_tunnel_port(di
, &ofport
->up
, ofport
->odp_port
);
2097 dpif_ipfix_unref(di
);
2098 ofproto
->ipfix
= NULL
;
2106 get_ipfix_stats(const struct ofproto
*ofproto_
,
2108 struct ovs_list
*replies
)
2110 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2111 struct dpif_ipfix
*di
= ofproto
->ipfix
;
2114 return OFPERR_NXST_NOT_CONFIGURED
;
2117 return dpif_ipfix_get_stats(di
, bridge_ipfix
, replies
);
2121 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
2123 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2124 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2125 struct cfm
*old
= ofport
->cfm
;
2130 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
2133 if (cfm_configure(ofport
->cfm
, s
)) {
2140 cfm_unref(ofport
->cfm
);
2143 if (ofport
->cfm
!= old
) {
2144 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2146 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2147 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2152 cfm_status_changed(struct ofport
*ofport_
)
2154 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2156 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
2160 get_cfm_status(const struct ofport
*ofport_
,
2161 struct cfm_status
*status
)
2163 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2167 cfm_get_status(ofport
->cfm
, status
);
2176 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
2178 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
2179 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2183 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
2184 cfg
, ofport
->up
.netdev
);
2185 if (ofport
->bfd
!= old
) {
2186 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2188 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2189 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2194 bfd_status_changed(struct ofport
*ofport_
)
2196 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2198 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
2202 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
2204 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2208 bfd_get_status(ofport
->bfd
, smap
);
2217 set_lldp(struct ofport
*ofport_
,
2218 const struct smap
*cfg
)
2220 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2224 if (!ofport
->lldp
) {
2225 struct ofproto_dpif
*ofproto
;
2227 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2228 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2229 ofport
->lldp
= lldp_create(ofport
->up
.netdev
, ofport_
->mtu
, cfg
);
2232 if (!lldp_configure(ofport
->lldp
, cfg
)) {
2237 lldp_unref(ofport
->lldp
);
2238 ofport
->lldp
= NULL
;
2241 ofproto_dpif_monitor_port_update(ofport
,
2245 &ofport
->up
.pp
.hw_addr
);
2250 get_lldp_status(const struct ofport
*ofport_
,
2251 struct lldp_status
*status OVS_UNUSED
)
2253 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2255 return ofport
->lldp
? true : false;
2259 set_aa(struct ofproto
*ofproto OVS_UNUSED
,
2260 const struct aa_settings
*s
)
2262 return aa_configure(s
);
2266 aa_mapping_set(struct ofproto
*ofproto_ OVS_UNUSED
, void *aux
,
2267 const struct aa_mapping_settings
*s
)
2269 return aa_mapping_register(aux
, s
);
2273 aa_mapping_unset(struct ofproto
*ofproto OVS_UNUSED
, void *aux
)
2275 return aa_mapping_unregister(aux
);
2279 aa_vlan_get_queued(struct ofproto
*ofproto OVS_UNUSED
, struct ovs_list
*list
)
2281 return aa_get_vlan_queued(list
);
2285 aa_vlan_get_queue_size(struct ofproto
*ofproto OVS_UNUSED
)
2287 return aa_get_vlan_queue_size();
2291 /* Spanning Tree. */
2293 /* Called while rstp_mutex is held. */
2295 rstp_send_bpdu_cb(struct dp_packet
*pkt
, void *ofport_
, void *ofproto_
)
2297 struct ofproto_dpif
*ofproto
= ofproto_
;
2298 struct ofport_dpif
*ofport
= ofport_
;
2299 struct eth_header
*eth
= dp_packet_eth(pkt
);
2301 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2302 if (eth_addr_is_zero(eth
->eth_src
)) {
2303 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2304 "does not have a configured source MAC address.",
2305 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2307 ofproto_dpif_send_packet(ofport
, false, pkt
);
2309 dp_packet_delete(pkt
);
2313 send_bpdu_cb(struct dp_packet
*pkt
, int port_num
, void *ofproto_
)
2315 struct ofproto_dpif
*ofproto
= ofproto_
;
2316 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2317 struct ofport_dpif
*ofport
;
2319 ofport
= stp_port_get_aux(sp
);
2321 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2322 ofproto
->up
.name
, port_num
);
2324 struct eth_header
*eth
= dp_packet_eth(pkt
);
2326 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2327 if (eth_addr_is_zero(eth
->eth_src
)) {
2328 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2329 "with unknown MAC", ofproto
->up
.name
, port_num
);
2331 ofproto_dpif_send_packet(ofport
, false, pkt
);
2334 dp_packet_delete(pkt
);
2337 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2339 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2341 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2343 /* Only revalidate flows if the configuration changed. */
2344 if (!s
!= !ofproto
->rstp
) {
2345 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2349 if (!ofproto
->rstp
) {
2350 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2351 rstp_send_bpdu_cb
, ofproto
);
2352 ofproto
->rstp_last_tick
= time_msec();
2354 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2355 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2356 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2357 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2358 s
->force_protocol_version
);
2359 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2360 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2361 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2362 s
->transmit_hold_count
);
2364 struct ofport
*ofport
;
2365 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2366 set_rstp_port(ofport
, NULL
);
2368 rstp_unref(ofproto
->rstp
);
2369 ofproto
->rstp
= NULL
;
2374 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2376 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2378 if (ofproto
->rstp
) {
2380 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2381 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2382 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2383 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2384 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2385 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2392 update_rstp_port_state(struct ofport_dpif
*ofport
)
2394 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2395 enum rstp_state state
;
2397 /* Figure out new state. */
2398 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2402 if (ofport
->rstp_state
!= state
) {
2403 enum ofputil_port_state of_state
;
2406 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2407 netdev_get_name(ofport
->up
.netdev
),
2408 rstp_state_name(ofport
->rstp_state
),
2409 rstp_state_name(state
));
2411 if (rstp_learn_in_state(ofport
->rstp_state
)
2412 != rstp_learn_in_state(state
)) {
2413 /* XXX: Learning action flows should also be flushed. */
2414 if (ofport
->bundle
) {
2415 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2416 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2417 bundle_flush_macs(ofport
->bundle
, false);
2421 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2422 != rstp_forward_in_state(state
);
2424 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2425 ofport
->rstp_state
= state
;
2427 if (fwd_change
&& ofport
->bundle
) {
2428 bundle_update(ofport
->bundle
);
2431 /* Update the RSTP state bits in the OpenFlow port description. */
2432 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2433 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2434 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2435 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2437 ofproto_port_set_state(&ofport
->up
, of_state
);
2442 rstp_run(struct ofproto_dpif
*ofproto
)
2444 if (ofproto
->rstp
) {
2445 long long int now
= time_msec();
2446 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2447 struct rstp_port
*rp
;
2448 struct ofport_dpif
*ofport
;
2450 /* Every second, decrease the values of the timers. */
2451 if (elapsed
>= 1000) {
2452 rstp_tick_timers(ofproto
->rstp
);
2453 ofproto
->rstp_last_tick
= now
;
2456 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2457 update_rstp_port_state(ofport
);
2461 /* FIXME: This check should be done on-event (i.e., when setting
2462 * p->fdb_flush) and not periodically.
2464 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2465 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2466 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2467 bundle_flush_macs(ofport
->bundle
, false);
2471 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2472 struct ofport_dpif
*old_root_aux
=
2473 (struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
);
2474 struct ofport_dpif
*new_root_aux
=
2475 (struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
);
2476 if (old_root_aux
!= NULL
&& new_root_aux
!= NULL
) {
2477 bundle_move(old_root_aux
->bundle
, new_root_aux
->bundle
);
2478 rstp_reset_root_changed(ofproto
->rstp
);
2484 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2486 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2488 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2490 /* Only revalidate flows if the configuration changed. */
2491 if (!s
!= !ofproto
->stp
) {
2492 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2496 if (!ofproto
->stp
) {
2497 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2498 send_bpdu_cb
, ofproto
);
2499 ofproto
->stp_last_tick
= time_msec();
2502 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2503 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2504 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2505 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2506 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2508 struct ofport
*ofport
;
2510 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2511 set_stp_port(ofport
, NULL
);
2514 stp_unref(ofproto
->stp
);
2515 ofproto
->stp
= NULL
;
2522 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2524 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2528 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2529 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2530 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2539 update_stp_port_state(struct ofport_dpif
*ofport
)
2541 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2542 enum stp_state state
;
2544 /* Figure out new state. */
2545 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2549 if (ofport
->stp_state
!= state
) {
2550 enum ofputil_port_state of_state
;
2553 VLOG_DBG("port %s: STP state changed from %s to %s",
2554 netdev_get_name(ofport
->up
.netdev
),
2555 stp_state_name(ofport
->stp_state
),
2556 stp_state_name(state
));
2557 if (stp_learn_in_state(ofport
->stp_state
)
2558 != stp_learn_in_state(state
)) {
2559 /* xxx Learning action flows should also be flushed. */
2560 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2561 mac_learning_flush(ofproto
->ml
);
2562 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2563 mcast_snooping_mdb_flush(ofproto
->ms
);
2565 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2566 != stp_forward_in_state(state
);
2568 ofproto
->backer
->need_revalidate
= REV_STP
;
2569 ofport
->stp_state
= state
;
2570 ofport
->stp_state_entered
= time_msec();
2572 if (fwd_change
&& ofport
->bundle
) {
2573 bundle_update(ofport
->bundle
);
2576 /* Update the STP state bits in the OpenFlow port description. */
2577 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2578 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2579 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2580 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2581 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2583 ofproto_port_set_state(&ofport
->up
, of_state
);
2588 stp_check_and_update_link_state(struct ofproto_dpif
*ofproto
)
2590 struct ofport_dpif
*ofport
;
2592 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
2593 bool up
= netdev_get_carrier(ofport
->up
.netdev
);
2595 if (ofport
->stp_port
&&
2596 up
!= (stp_port_get_state(ofport
->stp_port
) != STP_DISABLED
)) {
2598 VLOG_DBG("bridge %s, port %s is %s, %s it.",
2599 ofproto
->up
.name
, netdev_get_name(ofport
->up
.netdev
),
2601 up
? "enabling" : "disabling");
2604 stp_port_enable(ofport
->stp_port
);
2605 stp_port_set_aux(ofport
->stp_port
, ofport
);
2607 stp_port_disable(ofport
->stp_port
);
2610 update_stp_port_state(ofport
);
2615 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2616 * caller is responsible for assigning STP port numbers and ensuring
2617 * there are no duplicates. */
2619 set_stp_port(struct ofport
*ofport_
,
2620 const struct ofproto_port_stp_settings
*s
)
2622 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2623 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2624 struct stp_port
*sp
= ofport
->stp_port
;
2626 if (!s
|| !s
->enable
) {
2628 ofport
->stp_port
= NULL
;
2629 stp_port_disable(sp
);
2630 update_stp_port_state(ofport
);
2633 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2634 && ofport
== stp_port_get_aux(sp
)) {
2635 /* The port-id changed, so disable the old one if it's not
2636 * already in use by another port. */
2637 stp_port_disable(sp
);
2640 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2642 /* Set name before enabling the port so that debugging messages can print
2644 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2646 if (netdev_get_carrier(ofport_
->netdev
)) {
2647 stp_port_enable(sp
);
2649 stp_port_disable(sp
);
2652 stp_port_set_aux(sp
, ofport
);
2653 stp_port_set_priority(sp
, s
->priority
);
2654 stp_port_set_path_cost(sp
, s
->path_cost
);
2656 update_stp_port_state(ofport
);
2662 get_stp_port_status(struct ofport
*ofport_
,
2663 struct ofproto_port_stp_status
*s
)
2665 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2666 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2667 struct stp_port
*sp
= ofport
->stp_port
;
2669 if (!ofproto
->stp
|| !sp
) {
2675 stp_port_get_status(sp
, &s
->port_id
, &s
->state
, &s
->role
);
2676 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2682 get_stp_port_stats(struct ofport
*ofport_
,
2683 struct ofproto_port_stp_stats
*s
)
2685 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2686 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2687 struct stp_port
*sp
= ofport
->stp_port
;
2689 if (!ofproto
->stp
|| !sp
) {
2695 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2701 stp_run(struct ofproto_dpif
*ofproto
)
2704 long long int now
= time_msec();
2705 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2706 struct stp_port
*sp
;
2709 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2710 ofproto
->stp_last_tick
= now
;
2713 stp_check_and_update_link_state(ofproto
);
2715 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2716 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2719 update_stp_port_state(ofport
);
2723 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2724 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2725 mac_learning_flush(ofproto
->ml
);
2726 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2727 mcast_snooping_mdb_flush(ofproto
->ms
);
2733 stp_wait(struct ofproto_dpif
*ofproto
)
2736 poll_timer_wait(1000);
2740 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2741 * caller is responsible for assigning RSTP port numbers and ensuring
2742 * there are no duplicates. */
2744 set_rstp_port(struct ofport
*ofport_
,
2745 const struct ofproto_port_rstp_settings
*s
)
2747 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2748 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2749 struct rstp_port
*rp
= ofport
->rstp_port
;
2751 if (!s
|| !s
->enable
) {
2753 rstp_port_set_aux(rp
, NULL
);
2754 rstp_port_set_state(rp
, RSTP_DISABLED
);
2755 rstp_port_set_mac_operational(rp
, false);
2756 ofport
->rstp_port
= NULL
;
2757 rstp_port_unref(rp
);
2758 update_rstp_port_state(ofport
);
2763 /* Check if need to add a new port. */
2765 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2768 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2769 s
->admin_edge_port
, s
->auto_edge
,
2770 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2771 ofport
, netdev_get_name(ofport
->up
.netdev
));
2772 update_rstp_port_state(ofport
);
2773 /* Synchronize operational status. */
2774 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2778 get_rstp_port_status(struct ofport
*ofport_
,
2779 struct ofproto_port_rstp_status
*s
)
2781 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2782 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2783 struct rstp_port
*rp
= ofport
->rstp_port
;
2785 if (!ofproto
->rstp
|| !rp
) {
2791 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2792 &s
->designated_bridge_id
, &s
->designated_port_id
,
2793 &s
->designated_path_cost
, &s
->tx_count
,
2794 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2799 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2802 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2803 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2805 if (ofport
->n_qdscp
!= n_qdscp
2806 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2807 n_qdscp
* sizeof *qdscp
))) {
2808 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2809 free(ofport
->qdscp
);
2810 ofport
->qdscp
= n_qdscp
2811 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2813 ofport
->n_qdscp
= n_qdscp
;
2821 /* Expires all MAC learning entries associated with 'bundle' and forces its
2822 * ofproto to revalidate every flow.
2824 * Normally MAC learning entries are removed only from the ofproto associated
2825 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2826 * are removed from every ofproto. When patch ports and SLB bonds are in use
2827 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2828 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2829 * with the host from which it migrated. */
2831 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2833 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2834 struct mac_learning
*ml
= ofproto
->ml
;
2835 struct mac_entry
*mac
, *next_mac
;
2837 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2838 ovs_rwlock_wrlock(&ml
->rwlock
);
2839 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2840 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2842 struct ofproto_dpif
*o
;
2844 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2846 struct mac_entry
*e
;
2848 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2849 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2851 mac_learning_expire(o
->ml
, e
);
2853 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2858 mac_learning_expire(ml
, mac
);
2861 ovs_rwlock_unlock(&ml
->rwlock
);
2865 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2867 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2868 struct mac_learning
*ml
= ofproto
->ml
;
2869 struct mac_entry
*mac
, *next_mac
;
2871 ovs_assert(new->ofproto
== old
->ofproto
);
2873 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2874 ovs_rwlock_wrlock(&ml
->rwlock
);
2875 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2876 if (mac_entry_get_port(ml
, mac
) == old
) {
2877 mac_entry_set_port(ml
, mac
, new);
2880 ovs_rwlock_unlock(&ml
->rwlock
);
2883 static struct ofbundle
*
2884 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2886 struct ofbundle
*bundle
;
2888 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2889 &ofproto
->bundles
) {
2890 if (bundle
->aux
== aux
) {
2898 bundle_update(struct ofbundle
*bundle
)
2900 struct ofport_dpif
*port
;
2902 bundle
->floodable
= true;
2903 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2904 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2905 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2906 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2907 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2908 bundle
->floodable
= false;
2915 bundle_del_port(struct ofport_dpif
*port
)
2917 struct ofbundle
*bundle
= port
->bundle
;
2919 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2921 ovs_list_remove(&port
->bundle_node
);
2922 port
->bundle
= NULL
;
2925 lacp_slave_unregister(bundle
->lacp
, port
);
2928 bond_slave_unregister(bundle
->bond
, port
);
2931 bundle_update(bundle
);
2935 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2936 struct lacp_slave_settings
*lacp
)
2938 struct ofport_dpif
*port
;
2940 port
= ofp_port_to_ofport(bundle
->ofproto
, ofp_port
);
2945 if (port
->bundle
!= bundle
) {
2946 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2948 bundle_remove(&port
->up
);
2951 port
->bundle
= bundle
;
2952 ovs_list_push_back(&bundle
->ports
, &port
->bundle_node
);
2953 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2954 || netdev_get_pt_mode(port
->up
.netdev
) == NETDEV_PT_LEGACY_L3
2955 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2956 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2957 bundle
->floodable
= false;
2961 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2962 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2969 bundle_destroy(struct ofbundle
*bundle
)
2971 struct ofproto_dpif
*ofproto
;
2972 struct ofport_dpif
*port
, *next_port
;
2978 ofproto
= bundle
->ofproto
;
2979 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2982 xlate_bundle_remove(bundle
);
2985 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2986 bundle_del_port(port
);
2989 bundle_flush_macs(bundle
, true);
2990 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
2991 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2993 free(bundle
->trunks
);
2994 free(bundle
->cvlans
);
2995 lacp_unref(bundle
->lacp
);
2996 bond_unref(bundle
->bond
);
3001 bundle_set(struct ofproto
*ofproto_
, void *aux
,
3002 const struct ofproto_bundle_settings
*s
)
3004 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3005 bool need_flush
= false;
3006 struct ofport_dpif
*port
;
3007 struct ofbundle
*bundle
;
3008 unsigned long *trunks
= NULL
;
3009 unsigned long *cvlans
= NULL
;
3015 bundle_destroy(bundle_lookup(ofproto
, aux
));
3019 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
3020 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
3022 bundle
= bundle_lookup(ofproto
, aux
);
3024 bundle
= xmalloc(sizeof *bundle
);
3026 bundle
->ofproto
= ofproto
;
3027 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
3028 hash_pointer(aux
, 0));
3030 bundle
->name
= NULL
;
3032 ovs_list_init(&bundle
->ports
);
3033 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
3034 bundle
->qinq_ethtype
= ETH_TYPE_VLAN_8021AD
;
3036 bundle
->trunks
= NULL
;
3037 bundle
->cvlans
= NULL
;
3038 bundle
->use_priority_tags
= s
->use_priority_tags
;
3039 bundle
->lacp
= NULL
;
3040 bundle
->bond
= NULL
;
3042 bundle
->floodable
= true;
3043 bundle
->protected = false;
3044 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
3047 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
3049 bundle
->name
= xstrdup(s
->name
);
3054 ofproto
->lacp_enabled
= true;
3055 if (!bundle
->lacp
) {
3056 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3057 bundle
->lacp
= lacp_create();
3059 lacp_configure(bundle
->lacp
, s
->lacp
);
3061 lacp_unref(bundle
->lacp
);
3062 bundle
->lacp
= NULL
;
3065 /* Update set of ports. */
3067 for (i
= 0; i
< s
->n_slaves
; i
++) {
3068 if (!bundle_add_port(bundle
, s
->slaves
[i
],
3069 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
3073 if (!ok
|| ovs_list_size(&bundle
->ports
) != s
->n_slaves
) {
3074 struct ofport_dpif
*next_port
;
3076 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
3077 for (i
= 0; i
< s
->n_slaves
; i
++) {
3078 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
3083 bundle_del_port(port
);
3087 ovs_assert(ovs_list_size(&bundle
->ports
) <= s
->n_slaves
);
3089 if (ovs_list_is_empty(&bundle
->ports
)) {
3090 bundle_destroy(bundle
);
3094 /* Set VLAN tagging mode */
3095 if (s
->vlan_mode
!= bundle
->vlan_mode
3096 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
3097 bundle
->vlan_mode
= s
->vlan_mode
;
3098 bundle
->use_priority_tags
= s
->use_priority_tags
;
3102 if (s
->qinq_ethtype
!= bundle
->qinq_ethtype
) {
3103 bundle
->qinq_ethtype
= s
->qinq_ethtype
;
3108 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
3109 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
3111 if (vlan
!= bundle
->vlan
) {
3112 bundle
->vlan
= vlan
;
3116 /* Get trunked VLANs. */
3117 switch (s
->vlan_mode
) {
3118 case PORT_VLAN_ACCESS
:
3122 case PORT_VLAN_TRUNK
:
3123 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3126 case PORT_VLAN_NATIVE_UNTAGGED
:
3127 case PORT_VLAN_NATIVE_TAGGED
:
3128 if (vlan
!= 0 && (!s
->trunks
3129 || !bitmap_is_set(s
->trunks
, vlan
)
3130 || bitmap_is_set(s
->trunks
, 0))) {
3131 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
3133 trunks
= bitmap_clone(s
->trunks
, 4096);
3135 trunks
= bitmap_allocate1(4096);
3137 bitmap_set1(trunks
, vlan
);
3138 bitmap_set0(trunks
, 0);
3140 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
3144 case PORT_VLAN_DOT1Q_TUNNEL
:
3145 cvlans
= CONST_CAST(unsigned long *, s
->cvlans
);
3151 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
3152 free(bundle
->trunks
);
3153 if (trunks
== s
->trunks
) {
3154 bundle
->trunks
= vlan_bitmap_clone(trunks
);
3156 bundle
->trunks
= trunks
;
3161 if (trunks
!= s
->trunks
) {
3165 if (!vlan_bitmap_equal(cvlans
, bundle
->cvlans
)) {
3166 free(bundle
->cvlans
);
3167 if (cvlans
== s
->cvlans
) {
3168 bundle
->cvlans
= vlan_bitmap_clone(cvlans
);
3170 bundle
->cvlans
= cvlans
;
3175 if (cvlans
!= s
->cvlans
) {
3180 if (!ovs_list_is_short(&bundle
->ports
)) {
3181 bundle
->ofproto
->has_bonded_bundles
= true;
3183 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
3184 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3187 bundle
->bond
= bond_create(s
->bond
, ofproto
);
3188 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3191 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3192 bond_slave_register(bundle
->bond
, port
,
3193 port
->up
.ofp_port
, port
->up
.netdev
);
3196 bond_unref(bundle
->bond
);
3197 bundle
->bond
= NULL
;
3200 /* Set proteced port mode */
3201 if (s
->protected != bundle
->protected) {
3202 bundle
->protected = s
->protected;
3206 /* If we changed something that would affect MAC learning, un-learn
3207 * everything on this port and force flow revalidation. */
3209 bundle_flush_macs(bundle
, false);
3210 mcast_snooping_flush_bundle(ofproto
->ms
, bundle
);
3217 bundle_remove(struct ofport
*port_
)
3219 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
3220 struct ofbundle
*bundle
= port
->bundle
;
3223 bundle_del_port(port
);
3224 if (ovs_list_is_empty(&bundle
->ports
)) {
3225 bundle_destroy(bundle
);
3226 } else if (ovs_list_is_short(&bundle
->ports
)) {
3227 bond_unref(bundle
->bond
);
3228 bundle
->bond
= NULL
;
3234 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
3236 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
3237 struct ofport_dpif
*port
= port_
;
3241 error
= netdev_get_etheraddr(port
->up
.netdev
, &ea
);
3243 struct dp_packet packet
;
3246 dp_packet_init(&packet
, 0);
3247 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
3249 memcpy(packet_pdu
, pdu
, pdu_size
);
3251 ofproto_dpif_send_packet(port
, false, &packet
);
3252 dp_packet_uninit(&packet
);
3254 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
3255 "%s (%s)", port
->bundle
->name
,
3256 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
3261 bundle_send_learning_packets(struct ofbundle
*bundle
)
3263 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
3264 int error
, n_packets
, n_errors
;
3265 struct mac_entry
*e
;
3267 struct ovs_list list_node
;
3268 struct ofport_dpif
*port
;
3269 struct dp_packet
*pkt
;
3271 struct ovs_list packets
;
3273 ovs_list_init(&packets
);
3274 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3275 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3276 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
3277 pkt_node
= xmalloc(sizeof *pkt_node
);
3278 pkt_node
->pkt
= bond_compose_learning_packet(bundle
->bond
,
3280 (void **)&pkt_node
->port
);
3281 ovs_list_push_back(&packets
, &pkt_node
->list_node
);
3284 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3286 error
= n_packets
= n_errors
= 0;
3287 LIST_FOR_EACH_POP (pkt_node
, list_node
, &packets
) {
3290 ret
= ofproto_dpif_send_packet(pkt_node
->port
, false, pkt_node
->pkt
);
3291 dp_packet_delete(pkt_node
->pkt
);
3301 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3302 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
3303 "packets, last error was: %s",
3304 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
3306 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3307 bundle
->name
, n_packets
);
3312 bundle_run(struct ofbundle
*bundle
)
3315 lacp_run(bundle
->lacp
, send_pdu_cb
);
3318 struct ofport_dpif
*port
;
3320 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3321 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3324 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3325 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3328 if (bond_should_send_learning_packets(bundle
->bond
)) {
3329 bundle_send_learning_packets(bundle
);
3335 bundle_wait(struct ofbundle
*bundle
)
3338 lacp_wait(bundle
->lacp
);
3341 bond_wait(bundle
->bond
);
3348 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3349 const struct ofproto_mirror_settings
*s
)
3351 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3352 struct ofbundle
**srcs
, **dsts
;
3357 mirror_destroy(ofproto
->mbridge
, aux
);
3361 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3362 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3364 for (i
= 0; i
< s
->n_srcs
; i
++) {
3365 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3368 for (i
= 0; i
< s
->n_dsts
; i
++) {
3369 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3372 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3373 s
->n_dsts
, s
->src_vlans
,
3374 bundle_lookup(ofproto
, s
->out_bundle
),
3375 s
->snaplen
, s
->out_vlan
);
3382 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3383 uint64_t *packets
, uint64_t *bytes
)
3385 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3390 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3392 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3393 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3394 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3395 mac_learning_flush(ofproto
->ml
);
3397 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3402 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3404 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3405 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3406 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3410 forward_bpdu_changed(struct ofproto
*ofproto_
)
3412 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3413 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3417 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3420 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3421 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3422 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3423 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3424 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3427 /* Configures multicast snooping on 'ofport' using the settings
3428 * defined in 's'. */
3430 set_mcast_snooping(struct ofproto
*ofproto_
,
3431 const struct ofproto_mcast_snooping_settings
*s
)
3433 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3435 /* Only revalidate flows if the configuration changed. */
3436 if (!s
!= !ofproto
->ms
) {
3437 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3442 ofproto
->ms
= mcast_snooping_create();
3445 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3446 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3447 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3448 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3449 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3451 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3453 mcast_snooping_unref(ofproto
->ms
);
3460 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3462 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3463 const struct ofproto_mcast_snooping_port_settings
*s
)
3465 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3466 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3468 if (ofproto
->ms
&& s
) {
3469 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3470 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3471 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3473 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3481 struct ofport_dpif
*
3482 ofp_port_to_ofport(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3484 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3485 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3489 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3490 struct ofproto_port
*ofproto_port
,
3491 struct dpif_port
*dpif_port
)
3493 ofproto_port
->name
= dpif_port
->name
;
3494 ofproto_port
->type
= dpif_port
->type
;
3495 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3499 ofport_update_peer(struct ofport_dpif
*ofport
)
3501 const struct ofproto_dpif
*ofproto
;
3502 struct dpif_backer
*backer
;
3505 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3509 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3510 backer
->need_revalidate
= REV_RECONFIGURE
;
3513 ofport
->peer
->peer
= NULL
;
3514 ofport
->peer
= NULL
;
3517 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3522 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3523 struct ofport
*peer_ofport
;
3524 struct ofport_dpif
*peer
;
3527 if (ofproto
->backer
!= backer
) {
3531 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3536 peer
= ofport_dpif_cast(peer_ofport
);
3537 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3538 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3540 ofport
->peer
= peer
;
3541 ofport
->peer
->peer
= ofport
;
3551 port_run(struct ofport_dpif
*ofport
)
3553 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3554 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3555 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3556 bool cfm_enable
= false;
3557 bool bfd_enable
= false;
3559 ofport
->carrier_seq
= carrier_seq
;
3562 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3564 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3566 if (cfm_opup
>= 0) {
3567 cfm_enable
= cfm_enable
&& cfm_opup
;
3572 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3575 if (ofport
->bfd
|| ofport
->cfm
) {
3576 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3579 if (ofport
->bundle
) {
3580 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3581 if (carrier_changed
) {
3582 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3586 if (ofport
->may_enable
!= enable
) {
3587 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3589 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3591 if (ofport
->rstp_port
) {
3592 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3595 /* Propagate liveness, unless the link is administratively or
3596 * operationally down. */
3597 if (!(ofport
->up
.pp
.config
& OFPUTIL_PC_PORT_DOWN
) &&
3598 !(ofport
->up
.pp
.state
& OFPUTIL_PS_LINK_DOWN
)) {
3599 enum ofputil_port_state of_state
= ofport
->up
.pp
.state
;
3601 of_state
|= OFPUTIL_PS_LIVE
;
3603 of_state
&= ~OFPUTIL_PS_LIVE
;
3605 ofproto_port_set_state(&ofport
->up
, of_state
);
3609 ofport
->may_enable
= enable
;
3613 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3614 struct ofproto_port
*ofproto_port
)
3616 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3617 struct dpif_port dpif_port
;
3620 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3621 const char *type
= netdev_get_type_from_name(devname
);
3623 /* We may be called before ofproto->up.port_by_name is populated with
3624 * the appropriate ofport. For this reason, we must get the name and
3625 * type from the netdev layer directly. */
3627 const struct ofport
*ofport
;
3629 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3630 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3631 ofproto_port
->name
= xstrdup(devname
);
3632 ofproto_port
->type
= xstrdup(type
);
3638 if (!sset_contains(&ofproto
->ports
, devname
)) {
3641 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3642 devname
, &dpif_port
);
3644 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3650 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3652 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3653 const char *devname
= netdev_get_name(netdev
);
3654 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3655 const char *dp_port_name
;
3657 if (netdev_vport_is_patch(netdev
)) {
3658 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3662 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3663 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3664 odp_port_t port_no
= ODPP_NONE
;
3667 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3671 if (netdev_get_tunnel_config(netdev
)) {
3672 simap_put(&ofproto
->backer
->tnl_backers
,
3673 dp_port_name
, odp_to_u32(port_no
));
3677 if (netdev_get_tunnel_config(netdev
)) {
3678 sset_add(&ofproto
->ghost_ports
, devname
);
3680 sset_add(&ofproto
->ports
, devname
);
3686 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3688 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3689 struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
3696 sset_find_and_delete(&ofproto
->ghost_ports
,
3697 netdev_get_name(ofport
->up
.netdev
));
3698 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3699 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3700 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
3702 /* The caller is going to close ofport->up.netdev. If this is a
3703 * bonded port, then the bond is using that netdev, so remove it
3704 * from the bond. The client will need to reconfigure everything
3705 * after deleting ports, so then the slave will get re-added. */
3706 bundle_remove(&ofport
->up
);
3713 port_set_config(const struct ofport
*ofport_
, const struct smap
*cfg
)
3715 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3716 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3718 if (sset_contains(&ofproto
->ghost_ports
,
3719 netdev_get_name(ofport
->up
.netdev
))) {
3723 return dpif_port_set_config(ofproto
->backer
->dpif
, ofport
->odp_port
, cfg
);
3727 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3729 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3732 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3734 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3735 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3737 ovs_mutex_lock(&ofproto
->stats_mutex
);
3738 /* ofproto->stats.tx_packets represents packets that we created
3739 * internally and sent to some port (e.g. packets sent with
3740 * ofproto_dpif_send_packet()). Account for them as if they had
3741 * come from OFPP_LOCAL and got forwarded. */
3743 if (stats
->rx_packets
!= UINT64_MAX
) {
3744 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3747 if (stats
->rx_bytes
!= UINT64_MAX
) {
3748 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3751 /* ofproto->stats.rx_packets represents packets that were received on
3752 * some port and we processed internally and dropped (e.g. STP).
3753 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3755 if (stats
->tx_packets
!= UINT64_MAX
) {
3756 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3759 if (stats
->tx_bytes
!= UINT64_MAX
) {
3760 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3762 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3769 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3771 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3772 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3773 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3780 struct port_dump_state
{
3781 struct sset_position pos
;
3784 struct ofproto_port port
;
3789 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3791 *statep
= xzalloc(sizeof(struct port_dump_state
));
3796 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3797 struct ofproto_port
*port
)
3799 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3800 struct port_dump_state
*state
= state_
;
3801 const struct sset
*sset
;
3802 struct sset_node
*node
;
3804 if (state
->has_port
) {
3805 ofproto_port_destroy(&state
->port
);
3806 state
->has_port
= false;
3808 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3809 while ((node
= sset_at_position(sset
, &state
->pos
))) {
3812 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3814 *port
= state
->port
;
3815 state
->has_port
= true;
3817 } else if (error
!= ENODEV
) {
3822 if (!state
->ghost
) {
3823 state
->ghost
= true;
3824 memset(&state
->pos
, 0, sizeof state
->pos
);
3825 return port_dump_next(ofproto_
, state_
, port
);
3832 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3834 struct port_dump_state
*state
= state_
;
3836 if (state
->has_port
) {
3837 ofproto_port_destroy(&state
->port
);
3844 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3846 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3848 if (ofproto
->port_poll_errno
) {
3849 int error
= ofproto
->port_poll_errno
;
3850 ofproto
->port_poll_errno
= 0;
3854 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3858 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3863 port_poll_wait(const struct ofproto
*ofproto_
)
3865 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3866 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3870 port_is_lacp_current(const struct ofport
*ofport_
)
3872 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3873 return (ofport
->bundle
&& ofport
->bundle
->lacp
3874 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3878 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3879 * then delete it entirely. */
3881 rule_expire(struct rule_dpif
*rule
, long long now
)
3882 OVS_REQUIRES(ofproto_mutex
)
3884 uint16_t hard_timeout
, idle_timeout
;
3887 hard_timeout
= rule
->up
.hard_timeout
;
3888 idle_timeout
= rule
->up
.idle_timeout
;
3890 /* Has 'rule' expired? */
3892 long long int modified
;
3894 ovs_mutex_lock(&rule
->up
.mutex
);
3895 modified
= rule
->up
.modified
;
3896 ovs_mutex_unlock(&rule
->up
.mutex
);
3898 if (now
> modified
+ hard_timeout
* 1000) {
3899 reason
= OFPRR_HARD_TIMEOUT
;
3903 if (reason
< 0 && idle_timeout
) {
3906 ovs_mutex_lock(&rule
->stats_mutex
);
3907 used
= rule
->stats
.used
;
3908 ovs_mutex_unlock(&rule
->stats_mutex
);
3910 if (now
> used
+ idle_timeout
* 1000) {
3911 reason
= OFPRR_IDLE_TIMEOUT
;
3916 COVERAGE_INC(ofproto_dpif_expired
);
3917 ofproto_rule_expire(&rule
->up
, reason
);
3922 ofproto_dpif_set_packet_odp_port(const struct ofproto_dpif
*ofproto
,
3923 ofp_port_t in_port
, struct dp_packet
*packet
)
3925 if (in_port
== OFPP_NONE
) {
3926 in_port
= OFPP_LOCAL
;
3928 packet
->md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3932 ofproto_dpif_execute_actions__(struct ofproto_dpif
*ofproto
,
3933 ovs_version_t version
, const struct flow
*flow
,
3934 struct rule_dpif
*rule
,
3935 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3936 int depth
, int resubmits
,
3937 struct dp_packet
*packet
)
3939 struct dpif_flow_stats stats
;
3940 struct xlate_out xout
;
3941 struct xlate_in xin
;
3942 struct dpif_execute execute
;
3945 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3947 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3950 rule_dpif_credit_stats(rule
, &stats
);
3953 uint64_t odp_actions_stub
[1024 / 8];
3954 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
3955 xlate_in_init(&xin
, ofproto
, version
, flow
, flow
->in_port
.ofp_port
, rule
,
3956 stats
.tcp_flags
, packet
, NULL
, &odp_actions
);
3957 xin
.ofpacts
= ofpacts
;
3958 xin
.ofpacts_len
= ofpacts_len
;
3959 xin
.resubmit_stats
= &stats
;
3961 xin
.resubmits
= resubmits
;
3962 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
3967 execute
.actions
= odp_actions
.data
;
3968 execute
.actions_len
= odp_actions
.size
;
3970 pkt_metadata_from_flow(&packet
->md
, flow
);
3971 execute
.packet
= packet
;
3972 execute
.flow
= flow
;
3973 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3974 execute
.probe
= false;
3977 /* Fix up in_port. */
3978 ofproto_dpif_set_packet_odp_port(ofproto
, flow
->in_port
.ofp_port
, packet
);
3980 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3982 xlate_out_uninit(&xout
);
3983 ofpbuf_uninit(&odp_actions
);
3988 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3989 * 'flow' must reflect the data in 'packet'. */
3991 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3992 ovs_version_t version
, const struct flow
*flow
,
3993 struct rule_dpif
*rule
,
3994 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3995 struct dp_packet
*packet
)
3997 return ofproto_dpif_execute_actions__(ofproto
, version
, flow
, rule
,
3998 ofpacts
, ofpacts_len
, 0, 0, packet
);
4002 rule_dpif_credit_stats__(struct rule_dpif
*rule
,
4003 const struct dpif_flow_stats
*stats
,
4005 OVS_REQUIRES(rule
->stats_mutex
)
4007 if (credit_counts
) {
4008 rule
->stats
.n_packets
+= stats
->n_packets
;
4009 rule
->stats
.n_bytes
+= stats
->n_bytes
;
4011 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
4015 rule_dpif_credit_stats(struct rule_dpif
*rule
,
4016 const struct dpif_flow_stats
*stats
)
4018 ovs_mutex_lock(&rule
->stats_mutex
);
4019 if (OVS_UNLIKELY(rule
->new_rule
)) {
4020 ovs_mutex_lock(&rule
->new_rule
->stats_mutex
);
4021 rule_dpif_credit_stats__(rule
->new_rule
, stats
, rule
->forward_counts
);
4022 ovs_mutex_unlock(&rule
->new_rule
->stats_mutex
);
4024 rule_dpif_credit_stats__(rule
, stats
, true);
4026 ovs_mutex_unlock(&rule
->stats_mutex
);
4029 /* Sets 'rule''s recirculation id. */
4031 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
4032 OVS_REQUIRES(rule
->up
.mutex
)
4034 ovs_assert(!rule
->recirc_id
|| rule
->recirc_id
== id
);
4035 if (rule
->recirc_id
== id
) {
4036 /* Release the new reference to the same id. */
4039 rule
->recirc_id
= id
;
4043 /* Sets 'rule''s recirculation id. */
4045 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
4047 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4049 ovs_mutex_lock(&rule
->up
.mutex
);
4050 rule_dpif_set_recirc_id(rule
, id
);
4051 ovs_mutex_unlock(&rule
->up
.mutex
);
4055 ofproto_dpif_get_tables_version(struct ofproto_dpif
*ofproto
)
4057 ovs_version_t version
;
4059 /* Use memory_order_acquire to signify that any following memory accesses
4060 * can not be reordered to happen before this atomic read. This makes sure
4061 * all following reads relate to this or a newer version, but never to an
4063 atomic_read_explicit(&ofproto
->tables_version
, &version
,
4064 memory_order_acquire
);
4068 /* The returned rule (if any) is valid at least until the next RCU quiescent
4069 * period. If the rule needs to stay around longer, the caller should take
4072 * 'flow' is non-const to allow for temporary modifications during the lookup.
4073 * Any changes are restored before returning. */
4074 static struct rule_dpif
*
4075 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, ovs_version_t version
,
4076 uint8_t table_id
, struct flow
*flow
,
4077 struct flow_wildcards
*wc
)
4079 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
4080 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls
, version
,
4085 ofproto_dpif_credit_table_stats(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
4086 uint64_t n_matches
, uint64_t n_misses
)
4088 struct oftable
*tbl
= &ofproto
->up
.tables
[table_id
];
4092 atomic_add_relaxed(&tbl
->n_matched
, n_matches
, &orig
);
4095 atomic_add_relaxed(&tbl
->n_missed
, n_misses
, &orig
);
4099 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
4100 * table '*table_id'. Returns the rule that was found, which may be one of the
4101 * special rules according to packet miss hadling. If 'may_packet_in' is
4102 * false, returning of the miss_rule (which issues packet ins for the
4103 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
4104 * that were used during the lookup.
4106 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
4107 * if none is found then the table miss configuration for that table is
4108 * honored, which can result in additional lookups in other OpenFlow tables.
4109 * In this case the function updates '*table_id' to reflect the final OpenFlow
4110 * table that was searched.
4112 * If 'honor_table_miss' is false, then only one table lookup occurs, in
4115 * The rule is returned in '*rule', which is valid at least until the next
4116 * RCU quiescent period. If the '*rule' needs to stay around longer, the
4117 * caller must take a reference.
4119 * 'in_port' allows the lookup to take place as if the in port had the value
4120 * 'in_port'. This is needed for resubmit action support.
4122 * 'flow' is non-const to allow for temporary modifications during the lookup.
4123 * Any changes are restored before returning. */
4125 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
4126 ovs_version_t version
, struct flow
*flow
,
4127 struct flow_wildcards
*wc
,
4128 const struct dpif_flow_stats
*stats
,
4129 uint8_t *table_id
, ofp_port_t in_port
,
4130 bool may_packet_in
, bool honor_table_miss
,
4131 struct xlate_cache
*xcache
)
4133 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
4134 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
4135 enum ofputil_table_miss miss_config
;
4136 struct rule_dpif
*rule
;
4139 /* We always unwildcard nw_frag (for IP), so they
4140 * need not be unwildcarded here. */
4141 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
4142 && ofproto
->up
.frag_handling
!= OFPUTIL_FRAG_NX_MATCH
) {
4143 if (ofproto
->up
.frag_handling
== OFPUTIL_FRAG_NORMAL
) {
4144 /* We must pretend that transport ports are unavailable. */
4145 flow
->tp_src
= htons(0);
4146 flow
->tp_dst
= htons(0);
4148 /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM).
4149 * Use the drop_frags_rule (which cannot disappear). */
4150 rule
= ofproto
->drop_frags_rule
;
4152 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
4155 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
4158 struct xc_entry
*entry
;
4160 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4161 entry
->table
.ofproto
= ofproto
;
4162 entry
->table
.id
= *table_id
;
4163 entry
->table
.match
= true;
4169 /* Look up a flow with 'in_port' as the input port. Then restore the
4170 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
4171 * have surprising behavior). */
4172 flow
->in_port
.ofp_port
= in_port
;
4174 /* Our current implementation depends on n_tables == N_TABLES, and
4175 * TBL_INTERNAL being the last table. */
4176 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
4178 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
4180 for (next_id
= *table_id
;
4181 next_id
< ofproto
->up
.n_tables
;
4182 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
4184 *table_id
= next_id
;
4185 rule
= rule_dpif_lookup_in_table(ofproto
, version
, next_id
, flow
, wc
);
4187 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
4190 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
4191 stats
->n_packets
, &orig
);
4194 struct xc_entry
*entry
;
4196 entry
= xlate_cache_add_entry(xcache
, XC_TABLE
);
4197 entry
->table
.ofproto
= ofproto
;
4198 entry
->table
.id
= next_id
;
4199 entry
->table
.match
= (rule
!= NULL
);
4202 goto out
; /* Match. */
4204 if (honor_table_miss
) {
4205 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
4207 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
4214 rule
= ofproto
->no_packet_in_rule
;
4215 if (may_packet_in
) {
4216 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
4217 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
4218 struct ofport_dpif
*port
;
4220 port
= ofp_port_to_ofport(ofproto
, old_in_port
);
4222 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu32
,
4224 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
4225 rule
= ofproto
->miss_rule
;
4227 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
4228 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
4229 rule
= ofproto
->miss_rule
;
4233 /* Restore port numbers, as they may have been modified above. */
4234 flow
->tp_src
= old_tp_src
;
4235 flow
->tp_dst
= old_tp_dst
;
4236 /* Restore the old in port. */
4237 flow
->in_port
.ofp_port
= old_in_port
;
4242 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
4244 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
4247 static struct rule
*
4250 struct rule_dpif
*rule
= xzalloc(sizeof *rule
);
4255 rule_dealloc(struct rule
*rule_
)
4257 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4262 check_mask(struct ofproto_dpif
*ofproto
, const struct miniflow
*flow
)
4264 const struct odp_support
*support
;
4265 uint16_t ct_state
, ct_zone
;
4269 support
= &ofproto
->backer
->rt_support
.odp
;
4270 ct_state
= MINIFLOW_GET_U8(flow
, ct_state
);
4272 /* Do not bother dissecting the flow further if the datapath supports all
4273 * the features we know of. */
4274 if (support
->ct_state
&& support
->ct_zone
&& support
->ct_mark
4275 && support
->ct_label
&& support
->ct_state_nat
4276 && support
->ct_orig_tuple
&& support
->ct_orig_tuple6
) {
4277 return ct_state
& CS_UNSUPPORTED_MASK
? OFPERR_OFPBMC_BAD_MASK
: 0;
4280 ct_zone
= MINIFLOW_GET_U16(flow
, ct_zone
);
4281 ct_mark
= MINIFLOW_GET_U32(flow
, ct_mark
);
4282 ct_label
= MINIFLOW_GET_U128(flow
, ct_label
);
4284 if ((ct_state
&& !support
->ct_state
)
4285 || (ct_state
& CS_UNSUPPORTED_MASK
)
4286 || ((ct_state
& (CS_SRC_NAT
| CS_DST_NAT
)) && !support
->ct_state_nat
)
4287 || (ct_zone
&& !support
->ct_zone
)
4288 || (ct_mark
&& !support
->ct_mark
)
4289 || (!ovs_u128_is_zero(ct_label
) && !support
->ct_label
)) {
4290 return OFPERR_OFPBMC_BAD_MASK
;
4293 if (!support
->ct_orig_tuple
&& !support
->ct_orig_tuple6
4294 && (MINIFLOW_GET_U8(flow
, ct_nw_proto
)
4295 || MINIFLOW_GET_U16(flow
, ct_tp_src
)
4296 || MINIFLOW_GET_U16(flow
, ct_tp_dst
))) {
4297 return OFPERR_OFPBMC_BAD_MASK
;
4300 if (!support
->ct_orig_tuple
4301 && (MINIFLOW_GET_U32(flow
, ct_nw_src
)
4302 || MINIFLOW_GET_U32(flow
, ct_nw_dst
))) {
4303 return OFPERR_OFPBMC_BAD_MASK
;
4306 if (!support
->ct_orig_tuple6
4307 && (!ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_src
))
4308 || !ovs_u128_is_zero(MINIFLOW_GET_U128(flow
, ct_ipv6_dst
)))) {
4309 return OFPERR_OFPBMC_BAD_MASK
;
4316 report_unsupported_act(const char *action
, const char *detail
)
4318 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
4319 VLOG_WARN_RL(&rl
, "Rejecting %s action because datapath does not support"
4320 "%s%s (your kernel module may be out of date)",
4321 action
, detail
? " " : "", detail
? detail
: "");
4325 check_actions(const struct ofproto_dpif
*ofproto
,
4326 const struct rule_actions
*const actions
)
4328 const struct ofpact
*ofpact
;
4329 const struct odp_support
*support
= &ofproto
->backer
->rt_support
.odp
;
4331 OFPACT_FOR_EACH (ofpact
, actions
->ofpacts
, actions
->ofpacts_len
) {
4332 if (ofpact
->type
== OFPACT_CT
) {
4333 const struct ofpact_conntrack
*ct
;
4334 const struct ofpact
*a
;
4336 ct
= CONTAINER_OF(ofpact
, struct ofpact_conntrack
, ofpact
);
4338 if (!support
->ct_state
) {
4339 report_unsupported_act("ct", "ct action");
4340 return OFPERR_OFPBAC_BAD_TYPE
;
4342 if ((ct
->zone_imm
|| ct
->zone_src
.field
) && !support
->ct_zone
) {
4343 report_unsupported_act("ct", "ct zones");
4344 return OFPERR_OFPBAC_BAD_ARGUMENT
;
4346 /* So far the force commit feature is implemented together with the
4347 * original direction tuple feature by all datapaths, so we use the
4348 * support flag for the 'ct_orig_tuple' to indicate support for the
4349 * force commit feature as well. */
4350 if ((ct
->flags
& NX_CT_F_FORCE
) && !support
->ct_orig_tuple
) {
4351 report_unsupported_act("ct", "force commit");
4352 return OFPERR_OFPBAC_BAD_ARGUMENT
;
4355 OFPACT_FOR_EACH(a
, ct
->actions
, ofpact_ct_get_action_len(ct
)) {
4356 const struct mf_field
*dst
= ofpact_get_mf_dst(a
);
4358 if (a
->type
== OFPACT_NAT
&& !support
->ct_state_nat
) {
4359 /* The backer doesn't seem to support the NAT bits in
4360 * 'ct_state': assume that it doesn't support the NAT
4362 report_unsupported_act("ct", "nat");
4363 return OFPERR_OFPBAC_BAD_TYPE
;
4365 if (dst
&& ((dst
->id
== MFF_CT_MARK
&& !support
->ct_mark
) ||
4366 (dst
->id
== MFF_CT_LABEL
&& !support
->ct_label
))) {
4367 report_unsupported_act("ct", "setting mark and/or label");
4368 return OFPERR_OFPBAC_BAD_SET_ARGUMENT
;
4371 } else if (ofpact
->type
== OFPACT_RESUBMIT
) {
4372 struct ofpact_resubmit
*resubmit
= ofpact_get_RESUBMIT(ofpact
);
4374 if (resubmit
->with_ct_orig
&& !support
->ct_orig_tuple
) {
4375 report_unsupported_act("resubmit",
4376 "ct original direction tuple");
4377 return OFPERR_OFPBAC_BAD_TYPE
;
4386 rule_check(struct rule
*rule
)
4388 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->ofproto
);
4391 err
= check_mask(ofproto
, &rule
->cr
.match
.mask
->masks
);
4395 return check_actions(ofproto
, rule
->actions
);
4399 rule_construct(struct rule
*rule_
)
4400 OVS_NO_THREAD_SAFETY_ANALYSIS
4402 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4405 error
= rule_check(rule_
);
4410 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
4411 rule
->stats
.n_packets
= 0;
4412 rule
->stats
.n_bytes
= 0;
4413 rule
->stats
.used
= rule
->up
.modified
;
4414 rule
->recirc_id
= 0;
4415 rule
->new_rule
= NULL
;
4416 rule
->forward_counts
= false;
4422 rule_insert(struct rule
*rule_
, struct rule
*old_rule_
, bool forward_counts
)
4423 OVS_REQUIRES(ofproto_mutex
)
4425 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4428 struct rule_dpif
*old_rule
= rule_dpif_cast(old_rule_
);
4430 ovs_assert(!old_rule
->new_rule
);
4432 /* Take a reference to the new rule, and refer all stats updates from
4433 * the old rule to the new rule. */
4434 ofproto_rule_ref(&rule
->up
);
4436 ovs_mutex_lock(&old_rule
->stats_mutex
);
4437 ovs_mutex_lock(&rule
->stats_mutex
);
4438 old_rule
->new_rule
= rule
; /* Forward future stats. */
4439 old_rule
->forward_counts
= forward_counts
;
4441 if (forward_counts
) {
4442 rule
->stats
= old_rule
->stats
; /* Transfer stats to the new
4445 /* Used timestamp must be forwarded whenever a rule is modified. */
4446 rule
->stats
.used
= old_rule
->stats
.used
;
4448 ovs_mutex_unlock(&rule
->stats_mutex
);
4449 ovs_mutex_unlock(&old_rule
->stats_mutex
);
4454 rule_destruct(struct rule
*rule_
)
4455 OVS_NO_THREAD_SAFETY_ANALYSIS
4457 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4459 ovs_mutex_destroy(&rule
->stats_mutex
);
4460 /* Release reference to the new rule, if any. */
4461 if (rule
->new_rule
) {
4462 ofproto_rule_unref(&rule
->new_rule
->up
);
4464 if (rule
->recirc_id
) {
4465 recirc_free_id(rule
->recirc_id
);
4470 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
4471 long long int *used
)
4473 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4475 ovs_mutex_lock(&rule
->stats_mutex
);
4476 if (OVS_UNLIKELY(rule
->new_rule
)) {
4477 rule_get_stats(&rule
->new_rule
->up
, packets
, bytes
, used
);
4479 *packets
= rule
->stats
.n_packets
;
4480 *bytes
= rule
->stats
.n_bytes
;
4481 *used
= rule
->stats
.used
;
4483 ovs_mutex_unlock(&rule
->stats_mutex
);
4486 struct ofproto_dpif_packet_out
{
4487 struct xlate_cache xcache
;
4488 struct ofpbuf odp_actions
;
4489 struct recirc_refs rr
;
4494 static struct ofproto_dpif_packet_out
*
4495 ofproto_dpif_packet_out_new(void)
4497 struct ofproto_dpif_packet_out
*aux
= xmalloc(sizeof *aux
);
4498 xlate_cache_init(&aux
->xcache
);
4499 ofpbuf_init(&aux
->odp_actions
, 64);
4500 aux
->rr
= RECIRC_REFS_EMPTY_INITIALIZER
;
4501 aux
->needs_help
= false;
4507 ofproto_dpif_packet_out_delete(struct ofproto_dpif_packet_out
*aux
)
4510 xlate_cache_uninit(&aux
->xcache
);
4511 ofpbuf_uninit(&aux
->odp_actions
);
4512 recirc_refs_unref(&aux
->rr
);
4518 packet_xlate(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4519 OVS_REQUIRES(ofproto_mutex
)
4521 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4522 struct xlate_out xout
;
4523 struct xlate_in xin
;
4524 enum ofperr error
= 0;
4526 struct ofproto_dpif_packet_out
*aux
= ofproto_dpif_packet_out_new();
4528 xlate_in_init(&xin
, ofproto
, opo
->version
, opo
->flow
,
4529 opo
->flow
->in_port
.ofp_port
, NULL
, 0, opo
->packet
, NULL
,
4531 xin
.ofpacts
= opo
->ofpacts
;
4532 xin
.ofpacts_len
= opo
->ofpacts_len
;
4533 /* No learning or stats, but collect side effects to xcache. */
4534 xin
.allow_side_effects
= false;
4535 xin
.resubmit_stats
= NULL
;
4536 xin
.xcache
= &aux
->xcache
;
4537 xin
.in_packet_out
= true;
4539 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
4540 error
= OFPERR_OFPFMFC_UNKNOWN
; /* Error processing actions. */
4543 /* Prepare learn actions. */
4544 struct xc_entry
*entry
;
4545 struct ofpbuf entries
= aux
->xcache
.entries
;
4547 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4548 if (entry
->type
== XC_LEARN
) {
4549 struct ofproto_flow_mod
*ofm
= entry
->learn
.ofm
;
4551 error
= ofproto_flow_mod_learn_refresh(ofm
);
4555 struct rule
*rule
= ofm
->temp_rule
;
4556 ofm
->learn_adds_rule
= (rule
->state
== RULE_INITIALIZED
);
4557 if (ofm
->learn_adds_rule
) {
4558 /* If learning on a different bridge, must use its next
4559 * version number. */
4560 ofm
->version
= (rule
->ofproto
== ofproto_
)
4561 ? opo
->version
: rule
->ofproto
->tables_version
+ 1;
4562 error
= ofproto_flow_mod_learn_start(ofm
);
4571 aux
->needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
4572 recirc_refs_swap(&aux
->rr
, &xout
.recircs
); /* Hold recirc refs. */
4574 xlate_out_uninit(&xout
);
4579 xlate_out_uninit(&xout
);
4580 ofproto_dpif_packet_out_delete(aux
);
4586 packet_xlate_revert(struct ofproto
*ofproto OVS_UNUSED
,
4587 struct ofproto_packet_out
*opo
)
4588 OVS_REQUIRES(ofproto_mutex
)
4590 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4593 /* Revert the learned flows. */
4594 struct xc_entry
*entry
;
4595 struct ofpbuf entries
= aux
->xcache
.entries
;
4597 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4598 if (entry
->type
== XC_LEARN
&& entry
->learn
.ofm
->learn_adds_rule
) {
4599 ofproto_flow_mod_learn_revert(entry
->learn
.ofm
);
4603 ofproto_dpif_packet_out_delete(aux
);
4607 /* Push stats and perform side effects of flow translation. */
4609 ofproto_dpif_xcache_execute(struct ofproto_dpif
*ofproto
,
4610 struct xlate_cache
*xcache
,
4611 struct dpif_flow_stats
*stats
)
4612 OVS_REQUIRES(ofproto_mutex
)
4614 struct xc_entry
*entry
;
4615 struct ofpbuf entries
= xcache
->entries
;
4617 XC_ENTRY_FOR_EACH (entry
, &entries
) {
4618 switch (entry
->type
) {
4620 /* Finish the learned flows. */
4621 if (entry
->learn
.ofm
->learn_adds_rule
) {
4622 ofproto_flow_mod_learn_finish(entry
->learn
.ofm
, &ofproto
->up
);
4625 case XC_FIN_TIMEOUT
:
4626 if (stats
->tcp_flags
& (TCP_FIN
| TCP_RST
)) {
4627 /* 'ofproto_mutex' already held */
4628 ofproto_rule_reduce_timeouts__(&entry
->fin
.rule
->up
,
4633 /* All the rest can be dealt with by the xlate layer. */
4644 case XC_TUNNEL_HEADER
:
4645 xlate_push_stats_entry(entry
, stats
);
4654 packet_execute(struct ofproto
*ofproto_
, struct ofproto_packet_out
*opo
)
4655 OVS_REQUIRES(ofproto_mutex
)
4657 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4658 struct dpif_flow_stats stats
;
4659 struct dpif_execute execute
;
4661 struct ofproto_dpif_packet_out
*aux
= opo
->aux
;
4664 /* Run the side effects from the xcache. */
4665 dpif_flow_stats_extract(opo
->flow
, opo
->packet
, time_msec(), &stats
);
4666 ofproto_dpif_xcache_execute(ofproto
, &aux
->xcache
, &stats
);
4668 execute
.actions
= aux
->odp_actions
.data
;
4669 execute
.actions_len
= aux
->odp_actions
.size
;
4671 pkt_metadata_from_flow(&opo
->packet
->md
, opo
->flow
);
4672 execute
.packet
= opo
->packet
;
4673 execute
.flow
= opo
->flow
;
4674 execute
.needs_help
= aux
->needs_help
;
4675 execute
.probe
= false;
4678 /* Fix up in_port. */
4679 ofproto_dpif_set_packet_odp_port(ofproto
, opo
->flow
->in_port
.ofp_port
,
4682 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4683 ofproto_dpif_packet_out_delete(aux
);
4687 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
4689 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
4692 static struct ofgroup
*
4695 struct group_dpif
*group
= xzalloc(sizeof *group
);
4700 group_dealloc(struct ofgroup
*group_
)
4702 struct group_dpif
*group
= group_dpif_cast(group_
);
4707 group_construct_stats(struct group_dpif
*group
)
4708 OVS_REQUIRES(group
->stats_mutex
)
4710 group
->packet_count
= 0;
4711 group
->byte_count
= 0;
4713 struct ofputil_bucket
*bucket
;
4714 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4715 bucket
->stats
.packet_count
= 0;
4716 bucket
->stats
.byte_count
= 0;
4721 group_dpif_credit_stats(struct group_dpif
*group
,
4722 struct ofputil_bucket
*bucket
,
4723 const struct dpif_flow_stats
*stats
)
4725 ovs_mutex_lock(&group
->stats_mutex
);
4726 group
->packet_count
+= stats
->n_packets
;
4727 group
->byte_count
+= stats
->n_bytes
;
4729 bucket
->stats
.packet_count
+= stats
->n_packets
;
4730 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4731 } else { /* Credit to all buckets */
4732 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4733 bucket
->stats
.packet_count
+= stats
->n_packets
;
4734 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4737 ovs_mutex_unlock(&group
->stats_mutex
);
4741 group_construct(struct ofgroup
*group_
)
4743 struct group_dpif
*group
= group_dpif_cast(group_
);
4745 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4746 ovs_mutex_lock(&group
->stats_mutex
);
4747 group_construct_stats(group
);
4748 ovs_mutex_unlock(&group
->stats_mutex
);
4753 group_destruct(struct ofgroup
*group_
)
4755 struct group_dpif
*group
= group_dpif_cast(group_
);
4756 ovs_mutex_destroy(&group
->stats_mutex
);
4760 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4762 struct group_dpif
*group
= group_dpif_cast(group_
);
4764 ovs_mutex_lock(&group
->stats_mutex
);
4765 ogs
->packet_count
= group
->packet_count
;
4766 ogs
->byte_count
= group
->byte_count
;
4768 struct bucket_counter
*bucket_stats
= ogs
->bucket_stats
;
4769 struct ofputil_bucket
*bucket
;
4770 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4771 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4772 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4775 ovs_mutex_unlock(&group
->stats_mutex
);
4780 /* If the group exists, this function increments the groups's reference count.
4782 * Make sure to call ofproto_group_unref() after no longer needing to maintain
4783 * a reference to the group. */
4785 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4786 ovs_version_t version
, bool take_ref
)
4788 struct ofgroup
*ofgroup
= ofproto_group_lookup(&ofproto
->up
, group_id
,
4790 return ofgroup
? group_dpif_cast(ofgroup
) : NULL
;
4793 /* Sends 'packet' out 'ofport'. If 'port' is a tunnel and that tunnel type
4794 * supports a notion of an OAM flag, sets it if 'oam' is true.
4795 * May modify 'packet'.
4796 * Returns 0 if successful, otherwise a positive errno value. */
4798 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, bool oam
,
4799 struct dp_packet
*packet
)
4801 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4804 error
= xlate_send_packet(ofport
, oam
, packet
);
4806 ovs_mutex_lock(&ofproto
->stats_mutex
);
4807 ofproto
->stats
.tx_packets
++;
4808 ofproto
->stats
.tx_bytes
+= dp_packet_size(packet
);
4809 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4813 /* Return the version string of the datapath that backs up
4817 get_datapath_version(const struct ofproto
*ofproto_
)
4819 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4821 return ofproto
->backer
->dp_version_string
;
4825 type_set_config(const char *type
, const struct smap
*other_config
)
4827 struct dpif_backer
*backer
;
4829 backer
= shash_find_data(&all_dpif_backers
, type
);
4831 /* This is not necessarily a problem, since backers are only
4832 * created on demand. */
4836 dpif_set_config(backer
->dpif
, other_config
);
4840 ct_flush(const struct ofproto
*ofproto_
, const uint16_t *zone
)
4842 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4844 ct_dpif_flush(ofproto
->backer
->dpif
, zone
);
4848 set_frag_handling(struct ofproto
*ofproto_
,
4849 enum ofputil_frag_handling frag_handling
)
4851 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4852 if (frag_handling
!= OFPUTIL_FRAG_REASM
) {
4853 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4861 nxt_resume(struct ofproto
*ofproto_
,
4862 const struct ofputil_packet_in_private
*pin
)
4864 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4866 /* Translate pin into datapath actions. */
4867 uint64_t odp_actions_stub
[1024 / 8];
4868 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
4869 enum slow_path_reason slow
;
4870 enum ofperr error
= xlate_resume(ofproto
, pin
, &odp_actions
, &slow
);
4872 /* Steal 'pin->packet' and put it into a dp_packet. */
4873 struct dp_packet packet
;
4874 dp_packet_init(&packet
, pin
->base
.packet_len
);
4875 dp_packet_put(&packet
, pin
->base
.packet
, pin
->base
.packet_len
);
4877 pkt_metadata_from_flow(&packet
.md
, &pin
->base
.flow_metadata
.flow
);
4879 /* Fix up in_port. */
4880 ofproto_dpif_set_packet_odp_port(ofproto
,
4881 pin
->base
.flow_metadata
.flow
.in_port
.ofp_port
,
4884 struct flow headers
;
4885 flow_extract(&packet
, &headers
);
4887 /* Execute the datapath actions on the packet. */
4888 struct dpif_execute execute
= {
4889 .actions
= odp_actions
.data
,
4890 .actions_len
= odp_actions
.size
,
4891 .needs_help
= (slow
& SLOW_ACTION
) != 0,
4895 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4898 ofpbuf_uninit(&odp_actions
);
4899 dp_packet_uninit(&packet
);
4907 set_netflow(struct ofproto
*ofproto_
,
4908 const struct netflow_options
*netflow_options
)
4910 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4912 if (netflow_options
) {
4913 if (!ofproto
->netflow
) {
4914 ofproto
->netflow
= netflow_create();
4915 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4917 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4918 } else if (ofproto
->netflow
) {
4919 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4920 netflow_unref(ofproto
->netflow
);
4921 ofproto
->netflow
= NULL
;
4928 get_netflow_ids(const struct ofproto
*ofproto_
,
4929 uint8_t *engine_type
, uint8_t *engine_id
)
4931 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4933 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4936 struct ofproto_dpif
*
4937 ofproto_dpif_lookup(const char *name
)
4939 struct ofproto_dpif
*ofproto
;
4941 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
4942 hash_string(name
, 0), &all_ofproto_dpifs
) {
4943 if (!strcmp(ofproto
->up
.name
, name
)) {
4951 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4952 const char *argv
[], void *aux OVS_UNUSED
)
4954 struct ofproto_dpif
*ofproto
;
4957 ofproto
= ofproto_dpif_lookup(argv
[1]);
4959 unixctl_command_reply_error(conn
, "no such bridge");
4962 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4963 mac_learning_flush(ofproto
->ml
);
4964 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4966 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4967 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4968 mac_learning_flush(ofproto
->ml
);
4969 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4973 unixctl_command_reply(conn
, "table successfully flushed");
4977 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4978 const char *argv
[], void *aux OVS_UNUSED
)
4980 struct ofproto_dpif
*ofproto
;
4983 ofproto
= ofproto_dpif_lookup(argv
[1]);
4985 unixctl_command_reply_error(conn
, "no such bridge");
4989 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4990 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4993 mcast_snooping_mdb_flush(ofproto
->ms
);
4995 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4996 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4999 mcast_snooping_mdb_flush(ofproto
->ms
);
5003 unixctl_command_reply(conn
, "table successfully flushed");
5006 static struct ofport_dpif
*
5007 ofbundle_get_a_port(const struct ofbundle
*bundle
)
5009 return CONTAINER_OF(ovs_list_front(&bundle
->ports
), struct ofport_dpif
,
5014 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5015 const char *argv
[], void *aux OVS_UNUSED
)
5017 struct ds ds
= DS_EMPTY_INITIALIZER
;
5018 const struct ofproto_dpif
*ofproto
;
5019 const struct mac_entry
*e
;
5021 ofproto
= ofproto_dpif_lookup(argv
[1]);
5023 unixctl_command_reply_error(conn
, "no such bridge");
5027 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
5028 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
5029 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
5030 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
5031 char name
[OFP10_MAX_PORT_NAME_LEN
];
5033 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5034 NULL
, name
, sizeof name
);
5035 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
5036 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
5037 mac_entry_age(ofproto
->ml
, e
));
5039 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
5040 unixctl_command_reply(conn
, ds_cstr(&ds
));
5045 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
5046 int argc OVS_UNUSED
,
5048 void *aux OVS_UNUSED
)
5050 struct ds ds
= DS_EMPTY_INITIALIZER
;
5051 const struct ofproto_dpif
*ofproto
;
5052 const struct ofbundle
*bundle
;
5053 const struct mcast_group
*grp
;
5054 struct mcast_group_bundle
*b
;
5055 struct mcast_mrouter_bundle
*mrouter
;
5057 ofproto
= ofproto_dpif_lookup(argv
[1]);
5059 unixctl_command_reply_error(conn
, "no such bridge");
5063 if (!mcast_snooping_enabled(ofproto
->ms
)) {
5064 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
5068 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
5069 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
5070 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
5071 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
5072 char name
[OFP10_MAX_PORT_NAME_LEN
];
5075 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5076 NULL
, name
, sizeof name
);
5077 ds_put_format(&ds
, "%5s %4d ", name
, grp
->vlan
);
5078 ipv6_format_mapped(&grp
->addr
, &ds
);
5079 ds_put_format(&ds
, " %3d\n",
5080 mcast_bundle_age(ofproto
->ms
, b
));
5084 /* ports connected to multicast routers */
5085 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
5086 char name
[OFP10_MAX_PORT_NAME_LEN
];
5088 bundle
= mrouter
->port
;
5089 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
5090 NULL
, name
, sizeof name
);
5091 ds_put_format(&ds
, "%5s %4d querier %3d\n",
5092 name
, mrouter
->vlan
,
5093 mcast_mrouter_age(ofproto
->ms
, mrouter
));
5095 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
5096 unixctl_command_reply(conn
, ds_cstr(&ds
));
5100 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5101 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5102 * to destroy 'ofproto_shash' and free the returned value. */
5103 static const struct shash_node
**
5104 get_ofprotos(struct shash
*ofproto_shash
)
5106 const struct ofproto_dpif
*ofproto
;
5108 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
5109 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
5110 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
5113 return shash_sort(ofproto_shash
);
5117 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5118 const char *argv
[] OVS_UNUSED
,
5119 void *aux OVS_UNUSED
)
5121 struct ds ds
= DS_EMPTY_INITIALIZER
;
5122 struct shash ofproto_shash
;
5123 const struct shash_node
**sorted_ofprotos
;
5126 shash_init(&ofproto_shash
);
5127 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
5128 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5129 const struct shash_node
*node
= sorted_ofprotos
[i
];
5130 ds_put_format(&ds
, "%s\n", node
->name
);
5133 shash_destroy(&ofproto_shash
);
5134 free(sorted_ofprotos
);
5136 unixctl_command_reply(conn
, ds_cstr(&ds
));
5141 show_dp_feature_bool(struct ds
*ds
, const char *feature
, bool b
)
5143 ds_put_format(ds
, "%s: %s\n", feature
, b
? "Yes" : "No");
5147 show_dp_feature_size_t(struct ds
*ds
, const char *feature
, size_t s
)
5149 ds_put_format(ds
, "%s: %"PRIuSIZE
"\n", feature
, s
);
5152 enum dpif_support_field_type
{
5153 DPIF_SUPPORT_FIELD_bool
,
5154 DPIF_SUPPORT_FIELD_size_t
,
5157 struct dpif_support_field
{
5158 void *rt_ptr
; /* Points to the 'rt_support' field. */
5159 const void *bt_ptr
; /* Points to the 'bt_support' field. */
5161 enum dpif_support_field_type type
;
5164 #define DPIF_SUPPORT_FIELD_INTIALIZER(RT_PTR, BT_PTR, TITLE, TYPE) \
5165 (struct dpif_support_field) {RT_PTR, BT_PTR, TITLE, TYPE}
5168 dpif_show_support(const struct dpif_backer_support
*support
, struct ds
*ds
)
5170 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5171 show_dp_feature_##TYPE (ds, TITLE, support->NAME);
5173 #undef DPIF_SUPPORT_FIELD
5175 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5176 show_dp_feature_##TYPE (ds, TITLE, support->odp.NAME );
5178 #undef ODP_SUPPORT_FIELD
5182 display_support_field(const char *name
,
5183 const struct dpif_support_field
*field
,
5186 switch (field
->type
) {
5187 case DPIF_SUPPORT_FIELD_bool
: {
5188 bool v
= *(bool *)field
->rt_ptr
;
5189 bool b
= *(bool *)field
->bt_ptr
;
5190 ds_put_format(ds
, "%s (%s) : [run time]:%s, [boot time]:%s\n", name
,
5191 field
->title
, v
? "true" : "false",
5192 b
? "true" : "false");
5195 case DPIF_SUPPORT_FIELD_size_t
:
5196 ds_put_format(ds
, "%s (%s) : [run time]:%"PRIuSIZE
5197 ", [boot time]:%"PRIuSIZE
"\n", name
,
5198 field
->title
, *(size_t *)field
->rt_ptr
,
5199 *(size_t *)field
->bt_ptr
);
5206 /* Set a field of 'rt_support' to a new value.
5208 * Returns 'true' if the value is actually set. */
5210 dpif_set_support(struct dpif_backer_support
*rt_support
,
5211 struct dpif_backer_support
*bt_support
,
5212 const char *name
, const char *value
, struct ds
*ds
)
5214 struct shash all_fields
= SHASH_INITIALIZER(&all_fields
);
5215 struct dpif_support_field
*field
;
5216 struct shash_node
*node
;
5217 bool changed
= false;
5219 #define DPIF_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5221 struct dpif_support_field *f = xmalloc(sizeof *f); \
5222 *f = DPIF_SUPPORT_FIELD_INTIALIZER(&rt_support->NAME, \
5223 &bt_support->NAME, \
5225 DPIF_SUPPORT_FIELD_##TYPE);\
5226 shash_add_once(&all_fields, #NAME, f); \
5228 DPIF_SUPPORT_FIELDS
;
5229 #undef DPIF_SUPPORT_FIELD
5231 #define ODP_SUPPORT_FIELD(TYPE, NAME, TITLE) \
5233 struct dpif_support_field *f = xmalloc(sizeof *f); \
5234 *f = DPIF_SUPPORT_FIELD_INTIALIZER(&rt_support->odp.NAME, \
5235 &bt_support->odp.NAME, \
5237 DPIF_SUPPORT_FIELD_##TYPE);\
5238 shash_add_once(&all_fields, #NAME, f); \
5241 #undef ODP_SUPPORT_FIELD
5244 struct shash_node
*node
;
5246 SHASH_FOR_EACH (node
, &all_fields
) {
5247 display_support_field(node
->name
, node
->data
, ds
);
5252 node
= shash_find(&all_fields
, name
);
5254 ds_put_cstr(ds
, "Unexpected support field");
5260 display_support_field(node
->name
, field
, ds
);
5264 if (field
->type
== DPIF_SUPPORT_FIELD_bool
) {
5265 if (!strcasecmp(value
, "true")) {
5266 if (*(bool *)field
->bt_ptr
) {
5267 *(bool *)field
->rt_ptr
= true;
5270 ds_put_cstr(ds
, "Can not enable features not supported by the datapth");
5272 } else if (!strcasecmp(value
, "false")) {
5273 *(bool *)field
->rt_ptr
= false;
5276 ds_put_cstr(ds
, "Boolean value expected");
5278 } else if (field
->type
== DPIF_SUPPORT_FIELD_size_t
) {
5280 if (str_to_int(value
, 10, &v
)) {
5282 if (v
<= *(size_t *)field
->bt_ptr
) {
5283 *(size_t *)field
->rt_ptr
= v
;
5286 ds_put_cstr(ds
, "Can not set value beyond the datapath capability");
5289 ds_put_format(ds
, "Negative number not expected");
5292 ds_put_cstr(ds
, "Integer number expected");
5297 shash_destroy_free_data(&all_fields
);
5302 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
5304 const struct shash_node
**ofprotos
;
5305 struct dpif_dp_stats dp_stats
;
5306 struct shash ofproto_shash
;
5309 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
5310 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
5311 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
5313 shash_init(&ofproto_shash
);
5314 ofprotos
= get_ofprotos(&ofproto_shash
);
5315 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5316 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
5317 const struct shash_node
**ports
;
5320 if (ofproto
->backer
!= backer
) {
5324 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
5326 ports
= shash_sort(&ofproto
->up
.port_by_name
);
5327 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
5328 const struct shash_node
*node
= ports
[j
];
5329 struct ofport
*ofport
= node
->data
;
5331 odp_port_t odp_port
;
5333 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
5336 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
5337 if (odp_port
!= ODPP_NONE
) {
5338 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
5340 ds_put_cstr(ds
, "none:");
5343 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
5346 if (!netdev_get_config(ofport
->netdev
, &config
)) {
5347 const struct smap_node
**nodes
= smap_sort(&config
);
5348 for (size_t k
= 0; k
< smap_count(&config
); k
++) {
5349 ds_put_format(ds
, "%c %s=%s", k
? ',' : ':',
5350 nodes
[k
]->key
, nodes
[k
]->value
);
5354 smap_destroy(&config
);
5356 ds_put_char(ds
, ')');
5357 ds_put_char(ds
, '\n');
5361 shash_destroy(&ofproto_shash
);
5366 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5367 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
5369 struct ds ds
= DS_EMPTY_INITIALIZER
;
5370 const struct shash_node
**backers
;
5373 backers
= shash_sort(&all_dpif_backers
);
5374 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5375 dpif_show_backer(backers
[i
]->data
, &ds
);
5379 unixctl_command_reply(conn
, ds_cstr(&ds
));
5384 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
5385 int argc OVS_UNUSED
, const char *argv
[],
5386 void *aux OVS_UNUSED
)
5388 const struct ofproto_dpif
*ofproto
;
5390 struct ds ds
= DS_EMPTY_INITIALIZER
;
5392 struct dpif_flow_dump
*flow_dump
;
5393 struct dpif_flow_dump_thread
*flow_dump_thread
;
5397 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
5399 unixctl_command_reply_error(conn
, "no such bridge");
5403 bool verbosity
= false;
5405 bool set_names
= false;
5406 for (int i
= 1; i
< argc
- 1; i
++) {
5407 if (!strcmp(argv
[i
], "-m")) {
5409 } else if (!strcmp(argv
[i
], "--names")) {
5412 } else if (!strcmp(argv
[i
], "--no-names")) {
5421 struct hmap
*portno_names
= NULL
;
5423 portno_names
= xmalloc(sizeof *portno_names
);
5424 hmap_init(portno_names
);
5426 struct dpif_port dpif_port
;
5427 struct dpif_port_dump port_dump
;
5428 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5429 odp_portno_names_set(portno_names
, dpif_port
.port_no
,
5435 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false, NULL
);
5436 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5437 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5440 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5441 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5446 odp_format_ufid(&f
.ufid
, &ds
);
5447 ds_put_cstr(&ds
, " ");
5449 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5450 portno_names
, &ds
, verbosity
);
5451 ds_put_cstr(&ds
, ", ");
5452 dpif_flow_stats_format(&f
.stats
, &ds
);
5453 ds_put_cstr(&ds
, ", actions:");
5454 format_odp_actions(&ds
, f
.actions
, f
.actions_len
, portno_names
);
5455 ds_put_char(&ds
, '\n');
5457 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5458 error
= dpif_flow_dump_destroy(flow_dump
);
5462 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5463 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5465 unixctl_command_reply(conn
, ds_cstr(&ds
));
5468 odp_portno_names_destroy(portno_names
);
5469 hmap_destroy(portno_names
);
5476 ofproto_unixctl_dpif_show_dp_features(struct unixctl_conn
*conn
,
5477 int argc
, const char *argv
[],
5478 void *aux OVS_UNUSED
)
5480 struct ds ds
= DS_EMPTY_INITIALIZER
;
5481 const char *br
= argv
[argc
-1];
5482 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup(br
);
5485 unixctl_command_reply_error(conn
, "no such bridge");
5489 dpif_show_support(&ofproto
->backer
->bt_support
, &ds
);
5490 unixctl_command_reply(conn
, ds_cstr(&ds
));
5494 ofproto_unixctl_dpif_set_dp_features(struct unixctl_conn
*conn
,
5495 int argc
, const char *argv
[],
5496 void *aux OVS_UNUSED
)
5498 struct ds ds
= DS_EMPTY_INITIALIZER
;
5499 const char *br
= argv
[1];
5500 const char *name
, *value
;
5501 struct ofproto_dpif
*ofproto
= ofproto_dpif_lookup(br
);
5505 unixctl_command_reply_error(conn
, "no such bridge");
5509 name
= argc
> 2 ? argv
[2] : NULL
;
5510 value
= argc
> 3 ? argv
[3] : NULL
;
5511 changed
= dpif_set_support(&ofproto
->backer
->rt_support
,
5512 &ofproto
->backer
->bt_support
,
5515 xlate_set_support(ofproto
, &ofproto
->backer
->rt_support
);
5516 udpif_flush(ofproto
->backer
->udpif
);
5518 unixctl_command_reply(conn
, ds_cstr(&ds
));
5523 ofproto_unixctl_init(void)
5525 static bool registered
;
5531 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5532 ofproto_unixctl_fdb_flush
, NULL
);
5533 unixctl_command_register("fdb/show", "bridge", 1, 1,
5534 ofproto_unixctl_fdb_show
, NULL
);
5535 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5536 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5537 unixctl_command_register("mdb/show", "bridge", 1, 1,
5538 ofproto_unixctl_mcast_snooping_show
, NULL
);
5539 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5540 ofproto_unixctl_dpif_dump_dps
, NULL
);
5541 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5543 unixctl_command_register("dpif/show-dp-features", "bridge", 1, 1,
5544 ofproto_unixctl_dpif_show_dp_features
, NULL
);
5545 unixctl_command_register("dpif/dump-flows", "[-m] [--names | --no-nmaes] bridge", 1, INT_MAX
,
5546 ofproto_unixctl_dpif_dump_flows
, NULL
);
5547 unixctl_command_register("dpif/set-dp-features", "bridge", 1, 3 ,
5548 ofproto_unixctl_dpif_set_dp_features
, NULL
);
5552 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5554 const struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
5555 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5558 struct ofport_dpif
*
5559 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5561 struct ofport_dpif
*port
;
5563 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5564 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5565 &backer
->odp_to_ofport_map
) {
5566 if (port
->odp_port
== odp_port
) {
5567 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5572 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5577 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5579 struct ofport_dpif
*port
;
5581 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5582 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5583 return port
->up
.ofp_port
;
5590 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5591 const struct match
*match
, int priority
,
5592 uint16_t idle_timeout
,
5593 const struct ofpbuf
*ofpacts
,
5594 struct rule
**rulep
)
5596 struct ofputil_flow_mod fm
;
5597 struct rule_dpif
*rule
;
5600 fm
= (struct ofputil_flow_mod
) {
5601 .buffer_id
= UINT32_MAX
,
5603 .priority
= priority
,
5604 .table_id
= TBL_INTERNAL
,
5605 .command
= OFPFC_ADD
,
5606 .idle_timeout
= idle_timeout
,
5607 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5608 .ofpacts
= ofpacts
->data
,
5609 .ofpacts_len
= ofpacts
->size
,
5612 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5614 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5615 ofperr_to_string(error
));
5620 rule
= rule_dpif_lookup_in_table(ofproto
,
5621 ofproto_dpif_get_tables_version(ofproto
),
5622 TBL_INTERNAL
, &fm
.match
.flow
,
5633 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5634 struct match
*match
, int priority
)
5636 struct ofputil_flow_mod fm
;
5639 fm
= (struct ofputil_flow_mod
) {
5640 .buffer_id
= UINT32_MAX
,
5642 .priority
= priority
,
5643 .table_id
= TBL_INTERNAL
,
5644 .out_port
= OFPP_ANY
,
5645 .out_group
= OFPG_ANY
,
5646 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5647 .command
= OFPFC_DELETE_STRICT
,
5650 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5652 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5653 ofperr_to_string(error
));
5661 meter_get_features(const struct ofproto
*ofproto_
,
5662 struct ofputil_meter_features
*features
)
5664 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5666 dpif_meter_get_features(ofproto
->backer
->dpif
, features
);
5670 meter_set(struct ofproto
*ofproto_
, ofproto_meter_id
*meter_id
,
5671 struct ofputil_meter_config
*config
)
5673 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5675 /* Provider ID unknown. Use backer to allocate a new DP meter */
5676 if (meter_id
->uint32
== UINT32_MAX
) {
5677 if (!ofproto
->backer
->meter_ids
) {
5678 return EFBIG
; /* Datapath does not support meter. */
5681 if(!id_pool_alloc_id(ofproto
->backer
->meter_ids
, &meter_id
->uint32
)) {
5682 return ENOMEM
; /* Can't allocate a DP meter. */
5686 switch (dpif_meter_set(ofproto
->backer
->dpif
, meter_id
, config
)) {
5689 case EFBIG
: /* meter_id out of range */
5690 case ENOMEM
: /* Cannot allocate meter */
5691 return OFPERR_OFPMMFC_OUT_OF_METERS
;
5692 case EBADF
: /* Unsupported flags */
5693 return OFPERR_OFPMMFC_BAD_FLAGS
;
5694 case EINVAL
: /* Too many bands */
5695 return OFPERR_OFPMMFC_OUT_OF_BANDS
;
5696 case ENODEV
: /* Unsupported band type */
5697 return OFPERR_OFPMMFC_BAD_BAND
;
5698 case EDOM
: /* Rate must be non-zero */
5699 return OFPERR_OFPMMFC_BAD_RATE
;
5701 return OFPERR_OFPMMFC_UNKNOWN
;
5706 meter_get(const struct ofproto
*ofproto_
, ofproto_meter_id meter_id
,
5707 struct ofputil_meter_stats
*stats
, uint16_t n_bands
)
5709 const struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
5711 if (!dpif_meter_get(ofproto
->backer
->dpif
, meter_id
, stats
, n_bands
)) {
5714 return OFPERR_OFPMMFC_UNKNOWN_METER
;
5717 struct free_meter_id_args
{
5718 struct ofproto_dpif
*ofproto
;
5719 ofproto_meter_id meter_id
;
5723 free_meter_id(struct free_meter_id_args
*args
)
5725 struct ofproto_dpif
*ofproto
= args
->ofproto
;
5727 dpif_meter_del(ofproto
->backer
->dpif
, args
->meter_id
, NULL
, 0);
5728 id_pool_free_id(ofproto
->backer
->meter_ids
, args
->meter_id
.uint32
);
5733 meter_del(struct ofproto
*ofproto_
, ofproto_meter_id meter_id
)
5735 struct free_meter_id_args
*arg
= xmalloc(sizeof *arg
);
5737 /* Before a meter can be deleted, Openflow spec requires all rules
5738 * referring to the meter to be (automatically) removed before the
5739 * meter is deleted. However, since vswitchd is multi-threaded,
5740 * those rules and their actions remain accessible by other threads,
5741 * especially by the handler and revalidator threads.
5742 * Postpone meter deletion after RCU grace period, so that ongoing
5743 * upcall translation or flow revalidation can complete. */
5744 arg
->ofproto
= ofproto_dpif_cast(ofproto_
);
5745 arg
->meter_id
= meter_id
;
5746 ovsrcu_postpone(free_meter_id
, arg
);
5749 const struct ofproto_class ofproto_dpif_class
= {
5763 NULL
, /* get_memory_usage. */
5764 type_get_memory_usage
,
5784 port_is_lacp_current
,
5785 port_get_lacp_stats
,
5786 NULL
, /* rule_choose_table */
5790 NULL
, /* rule_delete */
5795 packet_xlate_revert
,
5813 aa_vlan_get_queue_size
,
5820 get_stp_port_status
,
5825 get_rstp_port_status
,
5832 is_mirror_output_bundle
,
5833 forward_bpdu_changed
,
5834 set_mac_table_config
,
5836 set_mcast_snooping_port
,
5841 group_alloc
, /* group_alloc */
5842 group_construct
, /* group_construct */
5843 group_destruct
, /* group_destruct */
5844 group_dealloc
, /* group_dealloc */
5845 NULL
, /* group_modify */
5846 group_get_stats
, /* group_get_stats */
5847 get_datapath_version
, /* get_datapath_version */
5849 ct_flush
, /* ct_flush */