2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 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.
19 #include "ofproto/ofproto-dpif.h"
20 #include "ofproto/ofproto-provider.h"
27 #include "byte-order.h"
28 #include "connectivity.h"
33 #include "dynamic-string.h"
34 #include "fail-open.h"
35 #include "guarded-list.h"
39 #include "mac-learning.h"
40 #include "meta-flow.h"
41 #include "multipath.h"
42 #include "netdev-vport.h"
47 #include "odp-execute.h"
50 #include "ofp-actions.h"
51 #include "ofp-parse.h"
52 #include "ofp-print.h"
53 #include "ofproto-dpif-ipfix.h"
54 #include "ofproto-dpif-mirror.h"
55 #include "ofproto-dpif-monitor.h"
56 #include "ofproto-dpif-sflow.h"
57 #include "ofproto-dpif-upcall.h"
58 #include "ofproto-dpif-xlate.h"
59 #include "poll-loop.h"
65 #include "unaligned.h"
67 #include "vlan-bitmap.h"
70 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
72 COVERAGE_DEFINE(ofproto_dpif_expired
);
73 COVERAGE_DEFINE(packet_in_overflow
);
75 /* Number of implemented OpenFlow tables. */
76 enum { N_TABLES
= 255 };
77 enum { TBL_INTERNAL
= N_TABLES
- 1 }; /* Used for internal hidden rules. */
78 BUILD_ASSERT_DECL(N_TABLES
>= 2 && N_TABLES
<= 255);
87 * - Do include packets and bytes from datapath flows which have not
88 * recently been processed by a revalidator. */
89 struct ovs_mutex stats_mutex
;
90 struct dpif_flow_stats stats OVS_GUARDED
;
93 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
95 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
96 static void rule_expire(struct rule_dpif
*);
103 * - Do include packets and bytes from datapath flows which have not
104 * recently been processed by a revalidator. */
105 struct ovs_mutex stats_mutex
;
106 uint64_t packet_count OVS_GUARDED
; /* Number of packets received. */
107 uint64_t byte_count OVS_GUARDED
; /* Number of bytes received. */
108 struct bucket_counter
*bucket_stats OVS_GUARDED
; /* Bucket statistics. */
112 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
113 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
114 void *aux
; /* Key supplied by ofproto's client. */
115 char *name
; /* Identifier for log messages. */
118 struct list ports
; /* Contains "struct ofport"s. */
119 enum port_vlan_mode vlan_mode
; /* VLAN mode */
120 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
121 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
122 * NULL if all VLANs are trunked. */
123 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
124 struct bond
*bond
; /* Nonnull iff more than one port. */
125 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
128 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
131 static void bundle_remove(struct ofport
*);
132 static void bundle_update(struct ofbundle
*);
133 static void bundle_destroy(struct ofbundle
*);
134 static void bundle_del_port(struct ofport_dpif
*);
135 static void bundle_run(struct ofbundle
*);
136 static void bundle_wait(struct ofbundle
*);
138 static void stp_run(struct ofproto_dpif
*ofproto
);
139 static void stp_wait(struct ofproto_dpif
*ofproto
);
140 static int set_stp_port(struct ofport
*,
141 const struct ofproto_port_stp_settings
*);
144 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
148 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
149 struct list bundle_node
; /* In struct ofbundle's "ports" list. */
150 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
151 struct bfd
*bfd
; /* BFD, if any. */
152 bool may_enable
; /* May be enabled in bonds. */
153 bool is_tunnel
; /* This port is a tunnel. */
154 bool is_layer3
; /* This is a layer 3 port. */
155 long long int carrier_seq
; /* Carrier status changes. */
156 struct ofport_dpif
*peer
; /* Peer if patch port. */
159 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
160 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
161 long long int stp_state_entered
;
163 /* Queue to DSCP mapping. */
164 struct ofproto_port_queue
*qdscp
;
167 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
169 * This is deprecated. It is only for compatibility with broken device
170 * drivers in old versions of Linux that do not properly support VLANs when
171 * VLAN devices are not used. When broken device drivers are no longer in
172 * widespread use, we will delete these interfaces. */
173 ofp_port_t realdev_ofp_port
;
177 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
179 * This is deprecated. It is only for compatibility with broken device drivers
180 * in old versions of Linux that do not properly support VLANs when VLAN
181 * devices are not used. When broken device drivers are no longer in
182 * widespread use, we will delete these interfaces. */
183 struct vlan_splinter
{
184 struct hmap_node realdev_vid_node
;
185 struct hmap_node vlandev_node
;
186 ofp_port_t realdev_ofp_port
;
187 ofp_port_t vlandev_ofp_port
;
191 static void vsp_remove(struct ofport_dpif
*);
192 static void vsp_add(struct ofport_dpif
*, ofp_port_t realdev_ofp_port
, int vid
);
194 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
197 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
200 static struct ofport_dpif
*
201 ofport_dpif_cast(const struct ofport
*ofport
)
203 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
206 static void port_run(struct ofport_dpif
*);
207 static int set_bfd(struct ofport
*, const struct smap
*);
208 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
209 static void ofport_update_peer(struct ofport_dpif
*);
211 struct dpif_completion
{
212 struct list list_node
;
213 struct ofoperation
*op
;
216 /* Reasons that we might need to revalidate every datapath flow, and
217 * corresponding coverage counters.
219 * A value of 0 means that there is no need to revalidate.
221 * It would be nice to have some cleaner way to integrate with coverage
222 * counters, but with only a few reasons I guess this is good enough for
224 enum revalidate_reason
{
225 REV_RECONFIGURE
= 1, /* Switch configuration changed. */
226 REV_STP
, /* Spanning tree protocol port status change. */
227 REV_BOND
, /* Bonding changed. */
228 REV_PORT_TOGGLED
, /* Port enabled or disabled by CFM, LACP, ...*/
229 REV_FLOW_TABLE
, /* Flow table changed. */
230 REV_MAC_LEARNING
, /* Mac learning changed. */
232 COVERAGE_DEFINE(rev_reconfigure
);
233 COVERAGE_DEFINE(rev_stp
);
234 COVERAGE_DEFINE(rev_bond
);
235 COVERAGE_DEFINE(rev_port_toggled
);
236 COVERAGE_DEFINE(rev_flow_table
);
237 COVERAGE_DEFINE(rev_mac_learning
);
239 /* All datapaths of a given type share a single dpif backer instance. */
246 struct ovs_rwlock odp_to_ofport_lock
;
247 struct hmap odp_to_ofport_map OVS_GUARDED
; /* Contains "struct ofport"s. */
249 struct simap tnl_backers
; /* Set of dpif ports backing tunnels. */
251 enum revalidate_reason need_revalidate
; /* Revalidate all flows. */
253 bool recv_set_enable
; /* Enables or disables receiving packets. */
255 /* True if the datapath supports variable-length
256 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
257 * False if the datapath supports only 8-byte (or shorter) userdata. */
258 bool variable_length_userdata
;
260 /* Maximum number of MPLS label stack entries that the datapath supports
262 size_t max_mpls_depth
;
265 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
266 static struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
268 struct ofproto_dpif
{
269 struct hmap_node all_ofproto_dpifs_node
; /* In 'all_ofproto_dpifs'. */
271 struct dpif_backer
*backer
;
273 uint64_t dump_seq
; /* Last read of udpif_dump_seq(). */
275 /* Special OpenFlow rules. */
276 struct rule_dpif
*miss_rule
; /* Sends flow table misses to controller. */
277 struct rule_dpif
*no_packet_in_rule
; /* Drops flow table misses. */
278 struct rule_dpif
*drop_frags_rule
; /* Used in OFPC_FRAG_DROP mode. */
281 struct netflow
*netflow
;
282 struct dpif_sflow
*sflow
;
283 struct dpif_ipfix
*ipfix
;
284 struct hmap bundles
; /* Contains "struct ofbundle"s. */
285 struct mac_learning
*ml
;
286 bool has_bonded_bundles
;
288 struct mbridge
*mbridge
;
290 struct ovs_mutex stats_mutex
;
291 struct netdev_stats stats OVS_GUARDED
; /* To account packets generated and
292 * consumed in userspace. */
296 long long int stp_last_tick
;
298 /* VLAN splinters. */
299 struct ovs_mutex vsp_mutex
;
300 struct hmap realdev_vid_map OVS_GUARDED
; /* (realdev,vid) -> vlandev. */
301 struct hmap vlandev_map OVS_GUARDED
; /* vlandev -> (realdev,vid). */
304 struct sset ports
; /* Set of standard port names. */
305 struct sset ghost_ports
; /* Ports with no datapath port. */
306 struct sset port_poll_set
; /* Queued names for port_poll() reply. */
307 int port_poll_errno
; /* Last errno for port_poll() reply. */
308 uint64_t change_seq
; /* Connectivity status changes. */
311 struct guarded_list pins
; /* Contains "struct ofputil_packet_in"s. */
314 /* All existing ofproto_dpif instances, indexed by ->up.name. */
315 static struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
317 static void ofproto_dpif_unixctl_init(void);
319 static inline struct ofproto_dpif
*
320 ofproto_dpif_cast(const struct ofproto
*ofproto
)
322 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
323 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
327 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif
*ofproto
)
329 return ofproto
->backer
->max_mpls_depth
;
332 static struct ofport_dpif
*get_ofp_port(const struct ofproto_dpif
*ofproto
,
333 ofp_port_t ofp_port
);
334 static void ofproto_trace(struct ofproto_dpif
*, const struct flow
*,
335 const struct ofpbuf
*packet
,
336 const struct ofpact
[], size_t ofpacts_len
,
339 /* Global variables. */
340 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
342 /* Initial mappings of port to bridge mappings. */
343 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
345 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
348 ofproto_dpif_flow_mod(struct ofproto_dpif
*ofproto
,
349 struct ofputil_flow_mod
*fm
)
351 ofproto_flow_mod(&ofproto
->up
, fm
);
354 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
355 * Takes ownership of 'pin' and pin->packet. */
357 ofproto_dpif_send_packet_in(struct ofproto_dpif
*ofproto
,
358 struct ofproto_packet_in
*pin
)
360 if (!guarded_list_push_back(&ofproto
->pins
, &pin
->list_node
, 1024)) {
361 COVERAGE_INC(packet_in_overflow
);
362 free(CONST_CAST(void *, pin
->up
.packet
));
367 /* Factory functions. */
370 init(const struct shash
*iface_hints
)
372 struct shash_node
*node
;
374 /* Make a local copy, since we don't own 'iface_hints' elements. */
375 SHASH_FOR_EACH(node
, iface_hints
) {
376 const struct iface_hint
*orig_hint
= node
->data
;
377 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
379 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
380 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
381 new_hint
->ofp_port
= orig_hint
->ofp_port
;
383 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
388 enumerate_types(struct sset
*types
)
390 dp_enumerate_types(types
);
394 enumerate_names(const char *type
, struct sset
*names
)
396 struct ofproto_dpif
*ofproto
;
399 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
400 if (strcmp(type
, ofproto
->up
.type
)) {
403 sset_add(names
, ofproto
->up
.name
);
410 del(const char *type
, const char *name
)
415 error
= dpif_open(name
, type
, &dpif
);
417 error
= dpif_delete(dpif
);
424 port_open_type(const char *datapath_type
, const char *port_type
)
426 return dpif_port_open_type(datapath_type
, port_type
);
429 /* Type functions. */
431 static void process_dpif_port_changes(struct dpif_backer
*);
432 static void process_dpif_all_ports_changed(struct dpif_backer
*);
433 static void process_dpif_port_change(struct dpif_backer
*,
434 const char *devname
);
435 static void process_dpif_port_error(struct dpif_backer
*, int error
);
437 static struct ofproto_dpif
*
438 lookup_ofproto_dpif_by_port_name(const char *name
)
440 struct ofproto_dpif
*ofproto
;
442 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
443 if (sset_contains(&ofproto
->ports
, name
)) {
452 type_run(const char *type
)
454 struct dpif_backer
*backer
;
456 backer
= shash_find_data(&all_dpif_backers
, type
);
458 /* This is not necessarily a problem, since backers are only
459 * created on demand. */
463 dpif_run(backer
->dpif
);
465 /* If vswitchd started with other_config:flow_restore_wait set as "true",
466 * and the configuration has now changed to "false", enable receiving
467 * packets from the datapath. */
468 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
471 backer
->recv_set_enable
= true;
473 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
475 VLOG_ERR("Failed to enable receiving packets in dpif.");
478 dpif_flow_flush(backer
->dpif
);
479 backer
->need_revalidate
= REV_RECONFIGURE
;
482 if (backer
->recv_set_enable
) {
483 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
486 if (backer
->need_revalidate
) {
487 struct ofproto_dpif
*ofproto
;
488 struct simap_node
*node
;
489 struct simap tmp_backers
;
491 /* Handle tunnel garbage collection. */
492 simap_init(&tmp_backers
);
493 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
495 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
496 struct ofport_dpif
*iter
;
498 if (backer
!= ofproto
->backer
) {
502 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
503 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
506 if (!iter
->is_tunnel
) {
510 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
511 namebuf
, sizeof namebuf
);
512 node
= simap_find(&tmp_backers
, dp_port
);
514 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
515 simap_delete(&tmp_backers
, node
);
516 node
= simap_find(&backer
->tnl_backers
, dp_port
);
518 node
= simap_find(&backer
->tnl_backers
, dp_port
);
520 odp_port_t odp_port
= ODPP_NONE
;
522 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
524 simap_put(&backer
->tnl_backers
, dp_port
,
525 odp_to_u32(odp_port
));
526 node
= simap_find(&backer
->tnl_backers
, dp_port
);
531 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
532 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
534 backer
->need_revalidate
= REV_RECONFIGURE
;
539 SIMAP_FOR_EACH (node
, &tmp_backers
) {
540 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
542 simap_destroy(&tmp_backers
);
544 switch (backer
->need_revalidate
) {
545 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
546 case REV_STP
: COVERAGE_INC(rev_stp
); break;
547 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
548 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
549 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
550 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
552 backer
->need_revalidate
= 0;
554 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
555 struct ofport_dpif
*ofport
;
556 struct ofbundle
*bundle
;
558 if (ofproto
->backer
!= backer
) {
562 ovs_rwlock_wrlock(&xlate_rwlock
);
563 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
564 ofproto
->backer
->dpif
, ofproto
->miss_rule
,
565 ofproto
->no_packet_in_rule
, ofproto
->ml
,
566 ofproto
->stp
, ofproto
->mbridge
,
567 ofproto
->sflow
, ofproto
->ipfix
,
568 ofproto
->netflow
, ofproto
->up
.frag_handling
,
569 ofproto
->up
.forward_bpdu
,
570 connmgr_has_in_band(ofproto
->up
.connmgr
),
571 ofproto
->backer
->variable_length_userdata
,
572 ofproto
->backer
->max_mpls_depth
);
574 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
575 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
576 bundle
->vlan_mode
, bundle
->vlan
,
577 bundle
->trunks
, bundle
->use_priority_tags
,
578 bundle
->bond
, bundle
->lacp
,
582 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
583 int stp_port
= ofport
->stp_port
584 ? stp_port_no(ofport
->stp_port
)
586 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
587 ofport
->up
.ofp_port
, ofport
->odp_port
,
588 ofport
->up
.netdev
, ofport
->cfm
,
589 ofport
->bfd
, ofport
->peer
, stp_port
,
590 ofport
->qdscp
, ofport
->n_qdscp
,
591 ofport
->up
.pp
.config
, ofport
->up
.pp
.state
,
592 ofport
->is_tunnel
, ofport
->may_enable
);
594 ovs_rwlock_unlock(&xlate_rwlock
);
597 udpif_revalidate(backer
->udpif
);
600 process_dpif_port_changes(backer
);
605 /* Check for and handle port changes in 'backer''s dpif. */
607 process_dpif_port_changes(struct dpif_backer
*backer
)
613 error
= dpif_port_poll(backer
->dpif
, &devname
);
619 process_dpif_all_ports_changed(backer
);
623 process_dpif_port_change(backer
, devname
);
628 process_dpif_port_error(backer
, error
);
635 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
637 struct ofproto_dpif
*ofproto
;
638 struct dpif_port dpif_port
;
639 struct dpif_port_dump dump
;
640 struct sset devnames
;
643 sset_init(&devnames
);
644 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
645 if (ofproto
->backer
== backer
) {
646 struct ofport
*ofport
;
648 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
649 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
653 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
654 sset_add(&devnames
, dpif_port
.name
);
657 SSET_FOR_EACH (devname
, &devnames
) {
658 process_dpif_port_change(backer
, devname
);
660 sset_destroy(&devnames
);
664 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
666 struct ofproto_dpif
*ofproto
;
667 struct dpif_port port
;
669 /* Don't report on the datapath's device. */
670 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
674 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
675 &all_ofproto_dpifs
) {
676 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
681 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
682 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
683 /* The port was removed. If we know the datapath,
684 * report it through poll_set(). If we don't, it may be
685 * notifying us of a removal we initiated, so ignore it.
686 * If there's a pending ENOBUFS, let it stand, since
687 * everything will be reevaluated. */
688 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
689 sset_add(&ofproto
->port_poll_set
, devname
);
690 ofproto
->port_poll_errno
= 0;
692 } else if (!ofproto
) {
693 /* The port was added, but we don't know with which
694 * ofproto we should associate it. Delete it. */
695 dpif_port_del(backer
->dpif
, port
.port_no
);
697 struct ofport_dpif
*ofport
;
699 ofport
= ofport_dpif_cast(shash_find_data(
700 &ofproto
->up
.port_by_name
, devname
));
702 && ofport
->odp_port
!= port
.port_no
703 && !odp_port_to_ofport(backer
, port
.port_no
))
705 /* 'ofport''s datapath port number has changed from
706 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
707 * structures to match. */
708 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
709 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
710 ofport
->odp_port
= port
.port_no
;
711 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
712 hash_odp_port(port
.port_no
));
713 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
714 backer
->need_revalidate
= REV_RECONFIGURE
;
717 dpif_port_destroy(&port
);
720 /* Propagate 'error' to all ofprotos based on 'backer'. */
722 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
724 struct ofproto_dpif
*ofproto
;
726 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
727 if (ofproto
->backer
== backer
) {
728 sset_clear(&ofproto
->port_poll_set
);
729 ofproto
->port_poll_errno
= error
;
735 type_wait(const char *type
)
737 struct dpif_backer
*backer
;
739 backer
= shash_find_data(&all_dpif_backers
, type
);
741 /* This is not necessarily a problem, since backers are only
742 * created on demand. */
746 dpif_wait(backer
->dpif
);
749 /* Basic life-cycle. */
751 static int add_internal_flows(struct ofproto_dpif
*);
753 static struct ofproto
*
756 struct ofproto_dpif
*ofproto
= xmalloc(sizeof *ofproto
);
761 dealloc(struct ofproto
*ofproto_
)
763 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
768 close_dpif_backer(struct dpif_backer
*backer
)
770 ovs_assert(backer
->refcount
> 0);
772 if (--backer
->refcount
) {
776 udpif_destroy(backer
->udpif
);
778 simap_destroy(&backer
->tnl_backers
);
779 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
780 hmap_destroy(&backer
->odp_to_ofport_map
);
781 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
783 dpif_close(backer
->dpif
);
788 /* Datapath port slated for removal from datapath. */
790 struct list list_node
;
794 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
795 static size_t check_max_mpls_depth(struct dpif_backer
*backer
);
798 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
800 struct dpif_backer
*backer
;
801 struct dpif_port_dump port_dump
;
802 struct dpif_port port
;
803 struct shash_node
*node
;
804 struct list garbage_list
;
805 struct odp_garbage
*garbage
, *next
;
811 backer
= shash_find_data(&all_dpif_backers
, type
);
818 backer_name
= xasprintf("ovs-%s", type
);
820 /* Remove any existing datapaths, since we assume we're the only
821 * userspace controlling the datapath. */
823 dp_enumerate_names(type
, &names
);
824 SSET_FOR_EACH(name
, &names
) {
825 struct dpif
*old_dpif
;
827 /* Don't remove our backer if it exists. */
828 if (!strcmp(name
, backer_name
)) {
832 if (dpif_open(name
, type
, &old_dpif
)) {
833 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
835 dpif_delete(old_dpif
);
836 dpif_close(old_dpif
);
839 sset_destroy(&names
);
841 backer
= xmalloc(sizeof *backer
);
843 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
846 VLOG_ERR("failed to open datapath of type %s: %s", type
,
847 ovs_strerror(error
));
851 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
853 backer
->type
= xstrdup(type
);
854 backer
->refcount
= 1;
855 hmap_init(&backer
->odp_to_ofport_map
);
856 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
857 backer
->need_revalidate
= 0;
858 simap_init(&backer
->tnl_backers
);
859 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
862 if (backer
->recv_set_enable
) {
863 dpif_flow_flush(backer
->dpif
);
866 /* Loop through the ports already on the datapath and remove any
867 * that we don't need anymore. */
868 list_init(&garbage_list
);
869 dpif_port_dump_start(&port_dump
, backer
->dpif
);
870 while (dpif_port_dump_next(&port_dump
, &port
)) {
871 node
= shash_find(&init_ofp_ports
, port
.name
);
872 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
873 garbage
= xmalloc(sizeof *garbage
);
874 garbage
->odp_port
= port
.port_no
;
875 list_push_front(&garbage_list
, &garbage
->list_node
);
878 dpif_port_dump_done(&port_dump
);
880 LIST_FOR_EACH_SAFE (garbage
, next
, list_node
, &garbage_list
) {
881 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
882 list_remove(&garbage
->list_node
);
886 shash_add(&all_dpif_backers
, type
, backer
);
888 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
890 VLOG_ERR("failed to listen on datapath of type %s: %s",
891 type
, ovs_strerror(error
));
892 close_dpif_backer(backer
);
895 backer
->variable_length_userdata
= check_variable_length_userdata(backer
);
896 backer
->max_mpls_depth
= check_max_mpls_depth(backer
);
898 if (backer
->recv_set_enable
) {
899 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
905 /* Tests whether 'backer''s datapath supports variable-length
906 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
907 * to disable some features on older datapaths that don't support this
910 * Returns false if 'backer' definitely does not support variable-length
911 * userdata, true if it seems to support them or if at least the error we get
914 check_variable_length_userdata(struct dpif_backer
*backer
)
916 struct eth_header
*eth
;
917 struct ofpbuf actions
;
918 struct dpif_execute execute
;
919 struct ofpbuf packet
;
923 /* Compose a userspace action that will cause an ERANGE error on older
924 * datapaths that don't support variable-length userdata.
926 * We really test for using userdata longer than 8 bytes, but older
927 * datapaths accepted these, silently truncating the userdata to 8 bytes.
928 * The same older datapaths rejected userdata shorter than 8 bytes, so we
929 * test for that instead as a proxy for longer userdata support. */
930 ofpbuf_init(&actions
, 64);
931 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
932 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
933 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
934 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
935 nl_msg_end_nested(&actions
, start
);
937 /* Compose a dummy ethernet packet. */
938 ofpbuf_init(&packet
, ETH_HEADER_LEN
);
939 eth
= ofpbuf_put_zeros(&packet
, ETH_HEADER_LEN
);
940 eth
->eth_type
= htons(0x1234);
942 /* Execute the actions. On older datapaths this fails with ERANGE, on
943 * newer datapaths it succeeds. */
944 execute
.actions
= actions
.data
;
945 execute
.actions_len
= actions
.size
;
946 execute
.packet
= &packet
;
947 execute
.md
= PKT_METADATA_INITIALIZER(0);
948 execute
.needs_help
= false;
950 error
= dpif_execute(backer
->dpif
, &execute
);
952 ofpbuf_uninit(&packet
);
953 ofpbuf_uninit(&actions
);
957 /* Variable-length userdata is supported.
959 * Purge received packets to avoid processing the nonsense packet we
960 * sent to userspace, then report success. */
961 dpif_recv_purge(backer
->dpif
);
965 /* Variable-length userdata is not supported. */
966 VLOG_WARN("%s: datapath does not support variable-length userdata "
967 "feature (needs Linux 3.10+ or kernel module from OVS "
968 "1..11+). The NXAST_SAMPLE action will be ignored.",
969 dpif_name(backer
->dpif
));
973 /* Something odd happened. We're not sure whether variable-length
974 * userdata is supported. Default to "yes". */
975 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
976 dpif_name(backer
->dpif
), ovs_strerror(error
));
981 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
983 * Returns the number of elements in a struct flow's mpls_lse field
984 * if the datapath supports at least that many entries in an
986 * Otherwise returns the number of MPLS push actions supported by
989 check_max_mpls_depth(struct dpif_backer
*backer
)
994 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
995 struct odputil_keybuf keybuf
;
999 memset(&flow
, 0, sizeof flow
);
1000 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1001 flow_set_mpls_bos(&flow
, n
, 1);
1003 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1004 odp_flow_key_from_flow(&key
, &flow
, 0);
1006 error
= dpif_flow_put(backer
->dpif
, DPIF_FP_CREATE
| DPIF_FP_MODIFY
,
1007 key
.data
, key
.size
, NULL
, 0, NULL
, 0, NULL
);
1008 if (error
&& error
!= EEXIST
) {
1009 if (error
!= EINVAL
) {
1010 VLOG_WARN("%s: MPLS stack length feature probe failed (%s)",
1011 dpif_name(backer
->dpif
), ovs_strerror(error
));
1016 error
= dpif_flow_del(backer
->dpif
, key
.data
, key
.size
, NULL
);
1018 VLOG_WARN("%s: failed to delete MPLS feature probe flow",
1019 dpif_name(backer
->dpif
));
1023 VLOG_INFO("%s: MPLS label stack length probed as %d",
1024 dpif_name(backer
->dpif
), n
);
1029 construct(struct ofproto
*ofproto_
)
1031 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1032 struct shash_node
*node
, *next
;
1035 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1040 ofproto
->netflow
= NULL
;
1041 ofproto
->sflow
= NULL
;
1042 ofproto
->ipfix
= NULL
;
1043 ofproto
->stp
= NULL
;
1044 ofproto
->dump_seq
= 0;
1045 hmap_init(&ofproto
->bundles
);
1046 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1047 ofproto
->mbridge
= mbridge_create();
1048 ofproto
->has_bonded_bundles
= false;
1049 ofproto
->lacp_enabled
= false;
1050 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1051 ovs_mutex_init(&ofproto
->vsp_mutex
);
1053 guarded_list_init(&ofproto
->pins
);
1055 ofproto_dpif_unixctl_init();
1057 hmap_init(&ofproto
->vlandev_map
);
1058 hmap_init(&ofproto
->realdev_vid_map
);
1060 sset_init(&ofproto
->ports
);
1061 sset_init(&ofproto
->ghost_ports
);
1062 sset_init(&ofproto
->port_poll_set
);
1063 ofproto
->port_poll_errno
= 0;
1064 ofproto
->change_seq
= 0;
1066 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1067 struct iface_hint
*iface_hint
= node
->data
;
1069 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1070 /* Check if the datapath already has this port. */
1071 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1072 sset_add(&ofproto
->ports
, node
->name
);
1075 free(iface_hint
->br_name
);
1076 free(iface_hint
->br_type
);
1078 shash_delete(&init_ofp_ports
, node
);
1082 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1083 hash_string(ofproto
->up
.name
, 0));
1084 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1086 ofproto_init_tables(ofproto_
, N_TABLES
);
1087 error
= add_internal_flows(ofproto
);
1088 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1094 add_internal_flow(struct ofproto_dpif
*ofproto
, int id
,
1095 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1097 struct ofputil_flow_mod fm
;
1098 struct classifier
*cls
;
1101 match_init_catchall(&fm
.match
);
1103 match_set_reg(&fm
.match
, 0, id
);
1104 fm
.new_cookie
= htonll(0);
1105 fm
.cookie
= htonll(0);
1106 fm
.cookie_mask
= htonll(0);
1107 fm
.modify_cookie
= false;
1108 fm
.table_id
= TBL_INTERNAL
;
1109 fm
.command
= OFPFC_ADD
;
1110 fm
.idle_timeout
= 0;
1111 fm
.hard_timeout
= 0;
1115 fm
.ofpacts
= ofpacts
->data
;
1116 fm
.ofpacts_len
= ofpacts
->size
;
1118 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
1120 VLOG_ERR_RL(&rl
, "failed to add internal flow %d (%s)",
1121 id
, ofperr_to_string(error
));
1125 cls
= &ofproto
->up
.tables
[TBL_INTERNAL
].cls
;
1126 fat_rwlock_rdlock(&cls
->rwlock
);
1127 *rulep
= rule_dpif_cast(rule_from_cls_rule(
1128 classifier_lookup(cls
, &fm
.match
.flow
, NULL
)));
1129 ovs_assert(*rulep
!= NULL
);
1130 fat_rwlock_unlock(&cls
->rwlock
);
1136 add_internal_flows(struct ofproto_dpif
*ofproto
)
1138 struct ofpact_controller
*controller
;
1139 uint64_t ofpacts_stub
[128 / 8];
1140 struct ofpbuf ofpacts
;
1144 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1147 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1148 controller
->max_len
= UINT16_MAX
;
1149 controller
->controller_id
= 0;
1150 controller
->reason
= OFPR_NO_MATCH
;
1151 ofpact_pad(&ofpacts
);
1153 error
= add_internal_flow(ofproto
, id
++, &ofpacts
, &ofproto
->miss_rule
);
1158 ofpbuf_clear(&ofpacts
);
1159 error
= add_internal_flow(ofproto
, id
++, &ofpacts
,
1160 &ofproto
->no_packet_in_rule
);
1165 error
= add_internal_flow(ofproto
, id
++, &ofpacts
,
1166 &ofproto
->drop_frags_rule
);
1171 destruct(struct ofproto
*ofproto_
)
1173 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1174 struct rule_dpif
*rule
, *next_rule
;
1175 struct ofproto_packet_in
*pin
, *next_pin
;
1176 struct oftable
*table
;
1179 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1180 ovs_rwlock_wrlock(&xlate_rwlock
);
1181 xlate_remove_ofproto(ofproto
);
1182 ovs_rwlock_unlock(&xlate_rwlock
);
1184 /* Ensure that the upcall processing threads have no remaining references
1185 * to the ofproto or anything in it. */
1186 udpif_synchronize(ofproto
->backer
->udpif
);
1188 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1190 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1191 struct cls_cursor cursor
;
1193 fat_rwlock_rdlock(&table
->cls
.rwlock
);
1194 cls_cursor_init(&cursor
, &table
->cls
, NULL
);
1195 fat_rwlock_unlock(&table
->cls
.rwlock
);
1196 CLS_CURSOR_FOR_EACH_SAFE (rule
, next_rule
, up
.cr
, &cursor
) {
1197 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1201 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1202 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1203 list_remove(&pin
->list_node
);
1204 free(CONST_CAST(void *, pin
->up
.packet
));
1207 guarded_list_destroy(&ofproto
->pins
);
1209 mbridge_unref(ofproto
->mbridge
);
1211 netflow_unref(ofproto
->netflow
);
1212 dpif_sflow_unref(ofproto
->sflow
);
1213 hmap_destroy(&ofproto
->bundles
);
1214 mac_learning_unref(ofproto
->ml
);
1216 hmap_destroy(&ofproto
->vlandev_map
);
1217 hmap_destroy(&ofproto
->realdev_vid_map
);
1219 sset_destroy(&ofproto
->ports
);
1220 sset_destroy(&ofproto
->ghost_ports
);
1221 sset_destroy(&ofproto
->port_poll_set
);
1223 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1224 ovs_mutex_destroy(&ofproto
->vsp_mutex
);
1226 close_dpif_backer(ofproto
->backer
);
1230 run(struct ofproto
*ofproto_
)
1232 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1233 uint64_t new_seq
, new_dump_seq
;
1235 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1236 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1237 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1238 mac_learning_flush(ofproto
->ml
);
1239 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1242 /* Do not perform any periodic activity required by 'ofproto' while
1243 * waiting for flow restore to complete. */
1244 if (!ofproto_get_flow_restore_wait()) {
1245 struct ofproto_packet_in
*pin
, *next_pin
;
1248 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1249 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1250 connmgr_send_packet_in(ofproto
->up
.connmgr
, pin
);
1251 list_remove(&pin
->list_node
);
1252 free(CONST_CAST(void *, pin
->up
.packet
));
1257 if (ofproto
->netflow
) {
1258 netflow_run(ofproto
->netflow
);
1260 if (ofproto
->sflow
) {
1261 dpif_sflow_run(ofproto
->sflow
);
1263 if (ofproto
->ipfix
) {
1264 dpif_ipfix_run(ofproto
->ipfix
);
1267 new_seq
= seq_read(connectivity_seq_get());
1268 if (ofproto
->change_seq
!= new_seq
) {
1269 struct ofport_dpif
*ofport
;
1271 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1275 ofproto
->change_seq
= new_seq
;
1277 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1278 struct ofbundle
*bundle
;
1280 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1286 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1287 if (mac_learning_run(ofproto
->ml
)) {
1288 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1290 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1292 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1293 if (ofproto
->dump_seq
!= new_dump_seq
) {
1294 struct rule
*rule
, *next_rule
;
1296 /* We know stats are relatively fresh, so now is a good time to do some
1298 ofproto
->dump_seq
= new_dump_seq
;
1300 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1302 ovs_mutex_lock(&ofproto_mutex
);
1303 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1304 &ofproto
->up
.expirable
) {
1305 rule_expire(rule_dpif_cast(rule
));
1307 ovs_mutex_unlock(&ofproto_mutex
);
1309 /* All outstanding data in existing flows has been accounted, so it's a
1310 * good time to do bond rebalancing. */
1311 if (ofproto
->has_bonded_bundles
) {
1312 struct ofbundle
*bundle
;
1314 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1316 bond_rebalance(bundle
->bond
);
1326 wait(struct ofproto
*ofproto_
)
1328 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1330 if (ofproto_get_flow_restore_wait()) {
1334 if (ofproto
->sflow
) {
1335 dpif_sflow_wait(ofproto
->sflow
);
1337 if (ofproto
->ipfix
) {
1338 dpif_ipfix_wait(ofproto
->ipfix
);
1340 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1341 struct ofbundle
*bundle
;
1343 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1344 bundle_wait(bundle
);
1347 if (ofproto
->netflow
) {
1348 netflow_wait(ofproto
->netflow
);
1350 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1351 mac_learning_wait(ofproto
->ml
);
1352 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1354 if (ofproto
->backer
->need_revalidate
) {
1355 /* Shouldn't happen, but if it does just go around again. */
1356 VLOG_DBG_RL(&rl
, "need revalidate in ofproto_wait_cb()");
1357 poll_immediate_wake();
1360 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1364 type_get_memory_usage(const char *type
, struct simap
*usage
)
1366 struct dpif_backer
*backer
;
1368 backer
= shash_find_data(&all_dpif_backers
, type
);
1370 udpif_get_memory_usage(backer
->udpif
, usage
);
1375 flush(struct ofproto
*ofproto_
)
1377 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1378 struct dpif_backer
*backer
= ofproto
->backer
;
1381 udpif_flush(backer
->udpif
);
1386 get_features(struct ofproto
*ofproto_ OVS_UNUSED
,
1387 bool *arp_match_ip
, enum ofputil_action_bitmap
*actions
)
1389 *arp_match_ip
= true;
1390 *actions
= (OFPUTIL_A_OUTPUT
|
1391 OFPUTIL_A_SET_VLAN_VID
|
1392 OFPUTIL_A_SET_VLAN_PCP
|
1393 OFPUTIL_A_STRIP_VLAN
|
1394 OFPUTIL_A_SET_DL_SRC
|
1395 OFPUTIL_A_SET_DL_DST
|
1396 OFPUTIL_A_SET_NW_SRC
|
1397 OFPUTIL_A_SET_NW_DST
|
1398 OFPUTIL_A_SET_NW_TOS
|
1399 OFPUTIL_A_SET_TP_SRC
|
1400 OFPUTIL_A_SET_TP_DST
|
1405 get_tables(struct ofproto
*ofproto_
, struct ofp12_table_stats
*ots
)
1407 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1408 struct dpif_dp_stats s
;
1409 uint64_t n_miss
, n_no_pkt_in
, n_bytes
, n_dropped_frags
;
1413 strcpy(ots
->name
, "classifier");
1415 dpif_get_dp_stats(ofproto
->backer
->dpif
, &s
);
1416 rule_get_stats(&ofproto
->miss_rule
->up
, &n_miss
, &n_bytes
, &used
);
1417 rule_get_stats(&ofproto
->no_packet_in_rule
->up
, &n_no_pkt_in
, &n_bytes
,
1419 rule_get_stats(&ofproto
->drop_frags_rule
->up
, &n_dropped_frags
, &n_bytes
,
1421 n_lookup
= s
.n_hit
+ s
.n_missed
- n_dropped_frags
;
1422 ots
->lookup_count
= htonll(n_lookup
);
1423 ots
->matched_count
= htonll(n_lookup
- n_miss
- n_no_pkt_in
);
1426 static struct ofport
*
1429 struct ofport_dpif
*port
= xmalloc(sizeof *port
);
1434 port_dealloc(struct ofport
*port_
)
1436 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1441 port_construct(struct ofport
*port_
)
1443 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1444 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1445 const struct netdev
*netdev
= port
->up
.netdev
;
1446 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1447 struct dpif_port dpif_port
;
1450 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1451 port
->bundle
= NULL
;
1454 port
->may_enable
= true;
1455 port
->stp_port
= NULL
;
1456 port
->stp_state
= STP_DISABLED
;
1457 port
->is_tunnel
= false;
1461 port
->realdev_ofp_port
= 0;
1462 port
->vlandev_vid
= 0;
1463 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1464 port
->is_layer3
= netdev_vport_is_layer3(netdev
);
1466 if (netdev_vport_is_patch(netdev
)) {
1467 /* By bailing out here, we don't submit the port to the sFlow module
1468 * to be considered for counter polling export. This is correct
1469 * because the patch port represents an interface that sFlow considers
1470 * to be "internal" to the switch as a whole, and therefore not an
1471 * candidate for counter polling. */
1472 port
->odp_port
= ODPP_NONE
;
1473 ofport_update_peer(port
);
1477 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
1478 netdev_vport_get_dpif_port(netdev
, namebuf
,
1485 port
->odp_port
= dpif_port
.port_no
;
1487 if (netdev_get_tunnel_config(netdev
)) {
1488 tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
);
1489 port
->is_tunnel
= true;
1491 /* Sanity-check that a mapping doesn't already exist. This
1492 * shouldn't happen for non-tunnel ports. */
1493 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1494 VLOG_ERR("port %s already has an OpenFlow port number",
1496 dpif_port_destroy(&dpif_port
);
1500 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1501 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1502 hash_odp_port(port
->odp_port
));
1503 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1505 dpif_port_destroy(&dpif_port
);
1507 if (ofproto
->sflow
) {
1508 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1515 port_destruct(struct ofport
*port_
)
1517 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1518 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1519 const char *devname
= netdev_get_name(port
->up
.netdev
);
1520 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1521 const char *dp_port_name
;
1523 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1524 ovs_rwlock_wrlock(&xlate_rwlock
);
1525 xlate_ofport_remove(port
);
1526 ovs_rwlock_unlock(&xlate_rwlock
);
1528 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1530 if (dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1531 /* The underlying device is still there, so delete it. This
1532 * happens when the ofproto is being destroyed, since the caller
1533 * assumes that removal of attached ports will happen as part of
1535 if (!port
->is_tunnel
) {
1536 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1541 port
->peer
->peer
= NULL
;
1545 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1546 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1547 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1548 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1552 sset_find_and_delete(&ofproto
->ports
, devname
);
1553 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1554 bundle_remove(port_
);
1555 set_cfm(port_
, NULL
);
1556 set_bfd(port_
, NULL
);
1557 if (port
->stp_port
) {
1558 stp_port_disable(port
->stp_port
);
1560 if (ofproto
->sflow
) {
1561 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1568 port_modified(struct ofport
*port_
)
1570 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1572 if (port
->bundle
&& port
->bundle
->bond
) {
1573 bond_slave_set_netdev(port
->bundle
->bond
, port
, port
->up
.netdev
);
1577 cfm_set_netdev(port
->cfm
, port
->up
.netdev
);
1581 bfd_set_netdev(port
->bfd
, port
->up
.netdev
);
1584 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1585 port
->up
.pp
.hw_addr
);
1587 if (port
->is_tunnel
&& tnl_port_reconfigure(port
, port
->up
.netdev
,
1589 ofproto_dpif_cast(port
->up
.ofproto
)->backer
->need_revalidate
=
1593 ofport_update_peer(port
);
1597 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1599 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1600 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1601 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1603 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
1604 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
1605 OFPUTIL_PC_NO_PACKET_IN
)) {
1606 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1608 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
1609 bundle_update(port
->bundle
);
1615 set_sflow(struct ofproto
*ofproto_
,
1616 const struct ofproto_sflow_options
*sflow_options
)
1618 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1619 struct dpif_sflow
*ds
= ofproto
->sflow
;
1621 if (sflow_options
) {
1623 struct ofport_dpif
*ofport
;
1625 ds
= ofproto
->sflow
= dpif_sflow_create();
1626 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1627 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
1629 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1631 dpif_sflow_set_options(ds
, sflow_options
);
1634 dpif_sflow_unref(ds
);
1635 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1636 ofproto
->sflow
= NULL
;
1644 struct ofproto
*ofproto_
,
1645 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
1646 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
1647 size_t n_flow_exporters_options
)
1649 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1650 struct dpif_ipfix
*di
= ofproto
->ipfix
;
1651 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
1653 if (has_options
&& !di
) {
1654 di
= ofproto
->ipfix
= dpif_ipfix_create();
1658 /* Call set_options in any case to cleanly flush the flow
1659 * caches in the last exporters that are to be destroyed. */
1660 dpif_ipfix_set_options(
1661 di
, bridge_exporter_options
, flow_exporters_options
,
1662 n_flow_exporters_options
);
1665 dpif_ipfix_unref(di
);
1666 ofproto
->ipfix
= NULL
;
1674 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
1676 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1681 struct ofproto_dpif
*ofproto
;
1683 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1684 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1685 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
1688 if (cfm_configure(ofport
->cfm
, s
)) {
1695 cfm_unref(ofport
->cfm
);
1698 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1699 ofport
->up
.pp
.hw_addr
);
1704 get_cfm_status(const struct ofport
*ofport_
,
1705 struct ofproto_cfm_status
*status
)
1707 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1710 status
->faults
= cfm_get_fault(ofport
->cfm
);
1711 status
->flap_count
= cfm_get_flap_count(ofport
->cfm
);
1712 status
->remote_opstate
= cfm_get_opup(ofport
->cfm
);
1713 status
->health
= cfm_get_health(ofport
->cfm
);
1714 cfm_get_remote_mpids(ofport
->cfm
, &status
->rmps
, &status
->n_rmps
);
1722 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
1724 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
1725 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1729 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
1730 cfg
, ofport
->up
.netdev
);
1731 if (ofport
->bfd
!= old
) {
1732 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1734 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1735 ofport
->up
.pp
.hw_addr
);
1740 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
1742 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1745 bfd_get_status(ofport
->bfd
, smap
);
1752 /* Spanning Tree. */
1755 send_bpdu_cb(struct ofpbuf
*pkt
, int port_num
, void *ofproto_
)
1757 struct ofproto_dpif
*ofproto
= ofproto_
;
1758 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
1759 struct ofport_dpif
*ofport
;
1761 ofport
= stp_port_get_aux(sp
);
1763 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
1764 ofproto
->up
.name
, port_num
);
1766 struct eth_header
*eth
= pkt
->l2
;
1768 netdev_get_etheraddr(ofport
->up
.netdev
, eth
->eth_src
);
1769 if (eth_addr_is_zero(eth
->eth_src
)) {
1770 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
1771 "with unknown MAC", ofproto
->up
.name
, port_num
);
1773 ofproto_dpif_send_packet(ofport
, pkt
);
1779 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
1781 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
1783 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1785 /* Only revalidate flows if the configuration changed. */
1786 if (!s
!= !ofproto
->stp
) {
1787 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1791 if (!ofproto
->stp
) {
1792 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
1793 send_bpdu_cb
, ofproto
);
1794 ofproto
->stp_last_tick
= time_msec();
1797 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
1798 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
1799 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
1800 stp_set_max_age(ofproto
->stp
, s
->max_age
);
1801 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
1803 struct ofport
*ofport
;
1805 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
1806 set_stp_port(ofport
, NULL
);
1809 stp_unref(ofproto
->stp
);
1810 ofproto
->stp
= NULL
;
1817 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
1819 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1823 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
1824 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
1825 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
1834 update_stp_port_state(struct ofport_dpif
*ofport
)
1836 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1837 enum stp_state state
;
1839 /* Figure out new state. */
1840 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
1844 if (ofport
->stp_state
!= state
) {
1845 enum ofputil_port_state of_state
;
1848 VLOG_DBG_RL(&rl
, "port %s: STP state changed from %s to %s",
1849 netdev_get_name(ofport
->up
.netdev
),
1850 stp_state_name(ofport
->stp_state
),
1851 stp_state_name(state
));
1852 if (stp_learn_in_state(ofport
->stp_state
)
1853 != stp_learn_in_state(state
)) {
1854 /* xxx Learning action flows should also be flushed. */
1855 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1856 mac_learning_flush(ofproto
->ml
);
1857 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1859 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
1860 != stp_forward_in_state(state
);
1862 ofproto
->backer
->need_revalidate
= REV_STP
;
1863 ofport
->stp_state
= state
;
1864 ofport
->stp_state_entered
= time_msec();
1866 if (fwd_change
&& ofport
->bundle
) {
1867 bundle_update(ofport
->bundle
);
1870 /* Update the STP state bits in the OpenFlow port description. */
1871 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
1872 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
1873 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
1874 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
1875 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
1877 ofproto_port_set_state(&ofport
->up
, of_state
);
1881 /* Configures STP on 'ofport_' using the settings defined in 's'. The
1882 * caller is responsible for assigning STP port numbers and ensuring
1883 * there are no duplicates. */
1885 set_stp_port(struct ofport
*ofport_
,
1886 const struct ofproto_port_stp_settings
*s
)
1888 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1889 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1890 struct stp_port
*sp
= ofport
->stp_port
;
1892 if (!s
|| !s
->enable
) {
1894 ofport
->stp_port
= NULL
;
1895 stp_port_disable(sp
);
1896 update_stp_port_state(ofport
);
1899 } else if (sp
&& stp_port_no(sp
) != s
->port_num
1900 && ofport
== stp_port_get_aux(sp
)) {
1901 /* The port-id changed, so disable the old one if it's not
1902 * already in use by another port. */
1903 stp_port_disable(sp
);
1906 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
1907 stp_port_enable(sp
);
1909 stp_port_set_aux(sp
, ofport
);
1910 stp_port_set_priority(sp
, s
->priority
);
1911 stp_port_set_path_cost(sp
, s
->path_cost
);
1913 update_stp_port_state(ofport
);
1919 get_stp_port_status(struct ofport
*ofport_
,
1920 struct ofproto_port_stp_status
*s
)
1922 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1923 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1924 struct stp_port
*sp
= ofport
->stp_port
;
1926 if (!ofproto
->stp
|| !sp
) {
1932 s
->port_id
= stp_port_get_id(sp
);
1933 s
->state
= stp_port_get_state(sp
);
1934 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
1935 s
->role
= stp_port_get_role(sp
);
1941 get_stp_port_stats(struct ofport
*ofport_
,
1942 struct ofproto_port_stp_stats
*s
)
1944 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1945 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1946 struct stp_port
*sp
= ofport
->stp_port
;
1948 if (!ofproto
->stp
|| !sp
) {
1954 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
1960 stp_run(struct ofproto_dpif
*ofproto
)
1963 long long int now
= time_msec();
1964 long long int elapsed
= now
- ofproto
->stp_last_tick
;
1965 struct stp_port
*sp
;
1968 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
1969 ofproto
->stp_last_tick
= now
;
1971 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
1972 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
1975 update_stp_port_state(ofport
);
1979 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
1980 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1981 mac_learning_flush(ofproto
->ml
);
1982 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1988 stp_wait(struct ofproto_dpif
*ofproto
)
1991 poll_timer_wait(1000);
1996 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
1999 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2000 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2002 if (ofport
->n_qdscp
!= n_qdscp
2003 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2004 n_qdscp
* sizeof *qdscp
))) {
2005 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2006 free(ofport
->qdscp
);
2007 ofport
->qdscp
= n_qdscp
2008 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2010 ofport
->n_qdscp
= n_qdscp
;
2018 /* Expires all MAC learning entries associated with 'bundle' and forces its
2019 * ofproto to revalidate every flow.
2021 * Normally MAC learning entries are removed only from the ofproto associated
2022 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2023 * are removed from every ofproto. When patch ports and SLB bonds are in use
2024 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2025 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2026 * with the host from which it migrated. */
2028 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2030 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2031 struct mac_learning
*ml
= ofproto
->ml
;
2032 struct mac_entry
*mac
, *next_mac
;
2034 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2035 ovs_rwlock_wrlock(&ml
->rwlock
);
2036 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2037 if (mac
->port
.p
== bundle
) {
2039 struct ofproto_dpif
*o
;
2041 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2043 struct mac_entry
*e
;
2045 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2046 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2048 mac_learning_expire(o
->ml
, e
);
2050 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2055 mac_learning_expire(ml
, mac
);
2058 ovs_rwlock_unlock(&ml
->rwlock
);
2061 static struct ofbundle
*
2062 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2064 struct ofbundle
*bundle
;
2066 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2067 &ofproto
->bundles
) {
2068 if (bundle
->aux
== aux
) {
2076 bundle_update(struct ofbundle
*bundle
)
2078 struct ofport_dpif
*port
;
2080 bundle
->floodable
= true;
2081 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2082 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2084 || !stp_forward_in_state(port
->stp_state
)) {
2085 bundle
->floodable
= false;
2092 bundle_del_port(struct ofport_dpif
*port
)
2094 struct ofbundle
*bundle
= port
->bundle
;
2096 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2098 list_remove(&port
->bundle_node
);
2099 port
->bundle
= NULL
;
2102 lacp_slave_unregister(bundle
->lacp
, port
);
2105 bond_slave_unregister(bundle
->bond
, port
);
2108 bundle_update(bundle
);
2112 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2113 struct lacp_slave_settings
*lacp
)
2115 struct ofport_dpif
*port
;
2117 port
= get_ofp_port(bundle
->ofproto
, ofp_port
);
2122 if (port
->bundle
!= bundle
) {
2123 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2125 bundle_remove(&port
->up
);
2128 port
->bundle
= bundle
;
2129 list_push_back(&bundle
->ports
, &port
->bundle_node
);
2130 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2132 || !stp_forward_in_state(port
->stp_state
)) {
2133 bundle
->floodable
= false;
2137 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2138 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2145 bundle_destroy(struct ofbundle
*bundle
)
2147 struct ofproto_dpif
*ofproto
;
2148 struct ofport_dpif
*port
, *next_port
;
2154 ofproto
= bundle
->ofproto
;
2155 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
->aux
);
2157 ovs_rwlock_wrlock(&xlate_rwlock
);
2158 xlate_bundle_remove(bundle
);
2159 ovs_rwlock_unlock(&xlate_rwlock
);
2161 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2162 bundle_del_port(port
);
2165 bundle_flush_macs(bundle
, true);
2166 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2168 free(bundle
->trunks
);
2169 lacp_unref(bundle
->lacp
);
2170 bond_unref(bundle
->bond
);
2175 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2176 const struct ofproto_bundle_settings
*s
)
2178 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2179 bool need_flush
= false;
2180 struct ofport_dpif
*port
;
2181 struct ofbundle
*bundle
;
2182 unsigned long *trunks
;
2188 bundle_destroy(bundle_lookup(ofproto
, aux
));
2192 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
2193 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
2195 bundle
= bundle_lookup(ofproto
, aux
);
2197 bundle
= xmalloc(sizeof *bundle
);
2199 bundle
->ofproto
= ofproto
;
2200 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
2201 hash_pointer(aux
, 0));
2203 bundle
->name
= NULL
;
2205 list_init(&bundle
->ports
);
2206 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
2208 bundle
->trunks
= NULL
;
2209 bundle
->use_priority_tags
= s
->use_priority_tags
;
2210 bundle
->lacp
= NULL
;
2211 bundle
->bond
= NULL
;
2213 bundle
->floodable
= true;
2214 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
2217 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
2219 bundle
->name
= xstrdup(s
->name
);
2224 ofproto
->lacp_enabled
= true;
2225 if (!bundle
->lacp
) {
2226 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2227 bundle
->lacp
= lacp_create();
2229 lacp_configure(bundle
->lacp
, s
->lacp
);
2231 lacp_unref(bundle
->lacp
);
2232 bundle
->lacp
= NULL
;
2235 /* Update set of ports. */
2237 for (i
= 0; i
< s
->n_slaves
; i
++) {
2238 if (!bundle_add_port(bundle
, s
->slaves
[i
],
2239 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
2243 if (!ok
|| list_size(&bundle
->ports
) != s
->n_slaves
) {
2244 struct ofport_dpif
*next_port
;
2246 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2247 for (i
= 0; i
< s
->n_slaves
; i
++) {
2248 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
2253 bundle_del_port(port
);
2257 ovs_assert(list_size(&bundle
->ports
) <= s
->n_slaves
);
2259 if (list_is_empty(&bundle
->ports
)) {
2260 bundle_destroy(bundle
);
2264 /* Set VLAN tagging mode */
2265 if (s
->vlan_mode
!= bundle
->vlan_mode
2266 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
2267 bundle
->vlan_mode
= s
->vlan_mode
;
2268 bundle
->use_priority_tags
= s
->use_priority_tags
;
2273 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
2274 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
2276 if (vlan
!= bundle
->vlan
) {
2277 bundle
->vlan
= vlan
;
2281 /* Get trunked VLANs. */
2282 switch (s
->vlan_mode
) {
2283 case PORT_VLAN_ACCESS
:
2287 case PORT_VLAN_TRUNK
:
2288 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2291 case PORT_VLAN_NATIVE_UNTAGGED
:
2292 case PORT_VLAN_NATIVE_TAGGED
:
2293 if (vlan
!= 0 && (!s
->trunks
2294 || !bitmap_is_set(s
->trunks
, vlan
)
2295 || bitmap_is_set(s
->trunks
, 0))) {
2296 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2298 trunks
= bitmap_clone(s
->trunks
, 4096);
2300 trunks
= bitmap_allocate1(4096);
2302 bitmap_set1(trunks
, vlan
);
2303 bitmap_set0(trunks
, 0);
2305 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2312 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
2313 free(bundle
->trunks
);
2314 if (trunks
== s
->trunks
) {
2315 bundle
->trunks
= vlan_bitmap_clone(trunks
);
2317 bundle
->trunks
= trunks
;
2322 if (trunks
!= s
->trunks
) {
2327 if (!list_is_short(&bundle
->ports
)) {
2328 bundle
->ofproto
->has_bonded_bundles
= true;
2330 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
2331 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2334 bundle
->bond
= bond_create(s
->bond
);
2335 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2338 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2339 bond_slave_register(bundle
->bond
, port
, port
->up
.netdev
);
2342 bond_unref(bundle
->bond
);
2343 bundle
->bond
= NULL
;
2346 /* If we changed something that would affect MAC learning, un-learn
2347 * everything on this port and force flow revalidation. */
2349 bundle_flush_macs(bundle
, false);
2356 bundle_remove(struct ofport
*port_
)
2358 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2359 struct ofbundle
*bundle
= port
->bundle
;
2362 bundle_del_port(port
);
2363 if (list_is_empty(&bundle
->ports
)) {
2364 bundle_destroy(bundle
);
2365 } else if (list_is_short(&bundle
->ports
)) {
2366 bond_unref(bundle
->bond
);
2367 bundle
->bond
= NULL
;
2373 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
2375 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
2376 struct ofport_dpif
*port
= port_
;
2377 uint8_t ea
[ETH_ADDR_LEN
];
2380 error
= netdev_get_etheraddr(port
->up
.netdev
, ea
);
2382 struct ofpbuf packet
;
2385 ofpbuf_init(&packet
, 0);
2386 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
2388 memcpy(packet_pdu
, pdu
, pdu_size
);
2390 ofproto_dpif_send_packet(port
, &packet
);
2391 ofpbuf_uninit(&packet
);
2393 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
2394 "%s (%s)", port
->bundle
->name
,
2395 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
2400 bundle_send_learning_packets(struct ofbundle
*bundle
)
2402 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2403 struct ofpbuf
*learning_packet
;
2404 int error
, n_packets
, n_errors
;
2405 struct mac_entry
*e
;
2406 struct list packets
;
2408 list_init(&packets
);
2409 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
2410 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
2411 if (e
->port
.p
!= bundle
) {
2414 learning_packet
= bond_compose_learning_packet(bundle
->bond
,
2417 learning_packet
->private_p
= port_void
;
2418 list_push_back(&packets
, &learning_packet
->list_node
);
2421 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2423 error
= n_packets
= n_errors
= 0;
2424 LIST_FOR_EACH (learning_packet
, list_node
, &packets
) {
2427 ret
= ofproto_dpif_send_packet(learning_packet
->private_p
, learning_packet
);
2434 ofpbuf_list_delete(&packets
);
2437 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2438 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
2439 "packets, last error was: %s",
2440 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
2442 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
2443 bundle
->name
, n_packets
);
2448 bundle_run(struct ofbundle
*bundle
)
2451 lacp_run(bundle
->lacp
, send_pdu_cb
);
2454 struct ofport_dpif
*port
;
2456 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2457 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
2460 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
2461 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
2464 if (bond_should_send_learning_packets(bundle
->bond
)) {
2465 bundle_send_learning_packets(bundle
);
2471 bundle_wait(struct ofbundle
*bundle
)
2474 lacp_wait(bundle
->lacp
);
2477 bond_wait(bundle
->bond
);
2484 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
2485 const struct ofproto_mirror_settings
*s
)
2487 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2488 struct ofbundle
**srcs
, **dsts
;
2493 mirror_destroy(ofproto
->mbridge
, aux
);
2497 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
2498 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
2500 for (i
= 0; i
< s
->n_srcs
; i
++) {
2501 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
2504 for (i
= 0; i
< s
->n_dsts
; i
++) {
2505 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
2508 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
2509 s
->n_dsts
, s
->src_vlans
,
2510 bundle_lookup(ofproto
, s
->out_bundle
), s
->out_vlan
);
2517 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
2518 uint64_t *packets
, uint64_t *bytes
)
2520 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
2525 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
2527 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2528 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2529 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
2530 mac_learning_flush(ofproto
->ml
);
2532 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2537 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
2539 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2540 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
2541 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
2545 forward_bpdu_changed(struct ofproto
*ofproto_
)
2547 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2548 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2552 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
2555 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2556 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2557 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
2558 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
2559 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2564 static struct ofport_dpif
*
2565 get_ofp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
2567 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
2568 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
2572 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
2573 struct ofproto_port
*ofproto_port
,
2574 struct dpif_port
*dpif_port
)
2576 ofproto_port
->name
= dpif_port
->name
;
2577 ofproto_port
->type
= dpif_port
->type
;
2578 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
2582 ofport_update_peer(struct ofport_dpif
*ofport
)
2584 const struct ofproto_dpif
*ofproto
;
2585 struct dpif_backer
*backer
;
2588 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
2592 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
2593 backer
->need_revalidate
= REV_RECONFIGURE
;
2596 ofport
->peer
->peer
= NULL
;
2597 ofport
->peer
= NULL
;
2600 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
2605 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2606 struct ofport
*peer_ofport
;
2607 struct ofport_dpif
*peer
;
2610 if (ofproto
->backer
!= backer
) {
2614 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
2619 peer
= ofport_dpif_cast(peer_ofport
);
2620 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
2621 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
2623 ofport
->peer
= peer
;
2624 ofport
->peer
->peer
= ofport
;
2634 port_run(struct ofport_dpif
*ofport
)
2636 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
2637 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
2638 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
2639 bool cfm_enable
= false;
2640 bool bfd_enable
= false;
2642 ofport
->carrier_seq
= carrier_seq
;
2645 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
2647 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
2649 if (cfm_opup
>= 0) {
2650 cfm_enable
= cfm_enable
&& cfm_opup
;
2655 bfd_enable
= bfd_forwarding(ofport
->bfd
);
2658 if (ofport
->bfd
|| ofport
->cfm
) {
2659 enable
= enable
&& (cfm_enable
|| bfd_enable
);
2662 if (ofport
->bundle
) {
2663 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
2664 if (carrier_changed
) {
2665 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
2669 if (ofport
->may_enable
!= enable
) {
2670 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2671 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
2674 ofport
->may_enable
= enable
;
2678 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
2679 struct ofproto_port
*ofproto_port
)
2681 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2682 struct dpif_port dpif_port
;
2685 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
2686 const char *type
= netdev_get_type_from_name(devname
);
2688 /* We may be called before ofproto->up.port_by_name is populated with
2689 * the appropriate ofport. For this reason, we must get the name and
2690 * type from the netdev layer directly. */
2692 const struct ofport
*ofport
;
2694 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
2695 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
2696 ofproto_port
->name
= xstrdup(devname
);
2697 ofproto_port
->type
= xstrdup(type
);
2703 if (!sset_contains(&ofproto
->ports
, devname
)) {
2706 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
2707 devname
, &dpif_port
);
2709 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
2715 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
2717 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2718 const char *devname
= netdev_get_name(netdev
);
2719 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
2720 const char *dp_port_name
;
2722 if (netdev_vport_is_patch(netdev
)) {
2723 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
2727 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
2728 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
2729 odp_port_t port_no
= ODPP_NONE
;
2732 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
2736 if (netdev_get_tunnel_config(netdev
)) {
2737 simap_put(&ofproto
->backer
->tnl_backers
,
2738 dp_port_name
, odp_to_u32(port_no
));
2742 if (netdev_get_tunnel_config(netdev
)) {
2743 sset_add(&ofproto
->ghost_ports
, devname
);
2745 sset_add(&ofproto
->ports
, devname
);
2751 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
2753 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2754 struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
2761 sset_find_and_delete(&ofproto
->ghost_ports
,
2762 netdev_get_name(ofport
->up
.netdev
));
2763 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2764 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
2765 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
2767 /* The caller is going to close ofport->up.netdev. If this is a
2768 * bonded port, then the bond is using that netdev, so remove it
2769 * from the bond. The client will need to reconfigure everything
2770 * after deleting ports, so then the slave will get re-added. */
2771 bundle_remove(&ofport
->up
);
2778 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
2780 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2783 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
2785 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
2786 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2788 ovs_mutex_lock(&ofproto
->stats_mutex
);
2789 /* ofproto->stats.tx_packets represents packets that we created
2790 * internally and sent to some port (e.g. packets sent with
2791 * ofproto_dpif_send_packet()). Account for them as if they had
2792 * come from OFPP_LOCAL and got forwarded. */
2794 if (stats
->rx_packets
!= UINT64_MAX
) {
2795 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
2798 if (stats
->rx_bytes
!= UINT64_MAX
) {
2799 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
2802 /* ofproto->stats.rx_packets represents packets that were received on
2803 * some port and we processed internally and dropped (e.g. STP).
2804 * Account for them as if they had been forwarded to OFPP_LOCAL. */
2806 if (stats
->tx_packets
!= UINT64_MAX
) {
2807 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
2810 if (stats
->tx_bytes
!= UINT64_MAX
) {
2811 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
2813 ovs_mutex_unlock(&ofproto
->stats_mutex
);
2819 struct port_dump_state
{
2824 struct ofproto_port port
;
2829 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
2831 *statep
= xzalloc(sizeof(struct port_dump_state
));
2836 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
2837 struct ofproto_port
*port
)
2839 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2840 struct port_dump_state
*state
= state_
;
2841 const struct sset
*sset
;
2842 struct sset_node
*node
;
2844 if (state
->has_port
) {
2845 ofproto_port_destroy(&state
->port
);
2846 state
->has_port
= false;
2848 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
2849 while ((node
= sset_at_position(sset
, &state
->bucket
, &state
->offset
))) {
2852 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
2854 *port
= state
->port
;
2855 state
->has_port
= true;
2857 } else if (error
!= ENODEV
) {
2862 if (!state
->ghost
) {
2863 state
->ghost
= true;
2866 return port_dump_next(ofproto_
, state_
, port
);
2873 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
2875 struct port_dump_state
*state
= state_
;
2877 if (state
->has_port
) {
2878 ofproto_port_destroy(&state
->port
);
2885 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
2887 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2889 if (ofproto
->port_poll_errno
) {
2890 int error
= ofproto
->port_poll_errno
;
2891 ofproto
->port_poll_errno
= 0;
2895 if (sset_is_empty(&ofproto
->port_poll_set
)) {
2899 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
2904 port_poll_wait(const struct ofproto
*ofproto_
)
2906 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2907 dpif_port_poll_wait(ofproto
->backer
->dpif
);
2911 port_is_lacp_current(const struct ofport
*ofport_
)
2913 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2914 return (ofport
->bundle
&& ofport
->bundle
->lacp
2915 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
2919 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
2920 * then delete it entirely. */
2922 rule_expire(struct rule_dpif
*rule
)
2923 OVS_REQUIRES(ofproto_mutex
)
2925 uint16_t hard_timeout
, idle_timeout
;
2926 long long int now
= time_msec();
2929 ovs_assert(!rule
->up
.pending
);
2931 hard_timeout
= rule
->up
.hard_timeout
;
2932 idle_timeout
= rule
->up
.idle_timeout
;
2934 /* Has 'rule' expired? */
2936 long long int modified
;
2938 ovs_mutex_lock(&rule
->up
.mutex
);
2939 modified
= rule
->up
.modified
;
2940 ovs_mutex_unlock(&rule
->up
.mutex
);
2942 if (now
> modified
+ hard_timeout
* 1000) {
2943 reason
= OFPRR_HARD_TIMEOUT
;
2947 if (reason
< 0 && idle_timeout
) {
2950 ovs_mutex_lock(&rule
->stats_mutex
);
2951 used
= rule
->stats
.used
;
2952 ovs_mutex_unlock(&rule
->stats_mutex
);
2954 if (now
> used
+ idle_timeout
* 1000) {
2955 reason
= OFPRR_IDLE_TIMEOUT
;
2960 COVERAGE_INC(ofproto_dpif_expired
);
2961 ofproto_rule_expire(&rule
->up
, reason
);
2965 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
2966 * 'flow' must reflect the data in 'packet'. */
2968 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
2969 const struct flow
*flow
,
2970 struct rule_dpif
*rule
,
2971 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
2972 struct ofpbuf
*packet
)
2974 struct dpif_flow_stats stats
;
2975 struct xlate_out xout
;
2976 struct xlate_in xin
;
2978 struct dpif_execute execute
;
2981 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
2983 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
2985 rule_dpif_credit_stats(rule
, &stats
);
2988 xlate_in_init(&xin
, ofproto
, flow
, rule
, stats
.tcp_flags
, packet
);
2989 xin
.ofpacts
= ofpacts
;
2990 xin
.ofpacts_len
= ofpacts_len
;
2991 xin
.resubmit_stats
= &stats
;
2992 xlate_actions(&xin
, &xout
);
2994 in_port
= flow
->in_port
.ofp_port
;
2995 if (in_port
== OFPP_NONE
) {
2996 in_port
= OFPP_LOCAL
;
2998 execute
.actions
= xout
.odp_actions
.data
;
2999 execute
.actions_len
= xout
.odp_actions
.size
;
3000 execute
.packet
= packet
;
3001 execute
.md
.tunnel
= flow
->tunnel
;
3002 execute
.md
.skb_priority
= flow
->skb_priority
;
3003 execute
.md
.pkt_mark
= flow
->pkt_mark
;
3004 execute
.md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3005 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3007 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3009 xlate_out_uninit(&xout
);
3015 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3016 const struct dpif_flow_stats
*stats
)
3018 ovs_mutex_lock(&rule
->stats_mutex
);
3019 rule
->stats
.n_packets
+= stats
->n_packets
;
3020 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3021 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3022 ovs_mutex_unlock(&rule
->stats_mutex
);
3026 rule_dpif_is_fail_open(const struct rule_dpif
*rule
)
3028 return is_fail_open_rule(&rule
->up
);
3032 rule_dpif_is_table_miss(const struct rule_dpif
*rule
)
3034 return rule_is_table_miss(&rule
->up
);
3038 rule_dpif_get_flow_cookie(const struct rule_dpif
*rule
)
3039 OVS_REQUIRES(rule
->up
.mutex
)
3041 return rule
->up
.flow_cookie
;
3045 rule_dpif_reduce_timeouts(struct rule_dpif
*rule
, uint16_t idle_timeout
,
3046 uint16_t hard_timeout
)
3048 ofproto_rule_reduce_timeouts(&rule
->up
, idle_timeout
, hard_timeout
);
3051 /* Returns 'rule''s actions. The caller owns a reference on the returned
3052 * actions and must eventually release it (with rule_actions_unref()) to avoid
3054 struct rule_actions
*
3055 rule_dpif_get_actions(const struct rule_dpif
*rule
)
3057 return rule_get_actions(&rule
->up
);
3060 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
3061 * If 'wc' is non-null, sets the fields that were relevant as part of
3062 * the lookup. Returns the table_id where a match or miss occurred.
3064 * The return value will be zero unless there was a miss and
3065 * OFPTC_TABLE_MISS_CONTINUE is in effect for the sequence of tables
3066 * where misses occur. */
3068 rule_dpif_lookup(struct ofproto_dpif
*ofproto
, const struct flow
*flow
,
3069 struct flow_wildcards
*wc
, struct rule_dpif
**rule
)
3071 enum rule_dpif_lookup_verdict verdict
;
3072 enum ofputil_port_config config
= 0;
3073 uint8_t table_id
= 0;
3075 verdict
= rule_dpif_lookup_from_table(ofproto
, flow
, wc
, true,
3079 case RULE_DPIF_LOOKUP_VERDICT_MATCH
:
3081 case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
: {
3082 struct ofport_dpif
*port
;
3084 port
= get_ofp_port(ofproto
, flow
->in_port
.ofp_port
);
3086 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu16
,
3087 flow
->in_port
.ofp_port
);
3089 config
= port
? port
->up
.pp
.config
: 0;
3092 case RULE_DPIF_LOOKUP_VERDICT_DROP
:
3093 config
= OFPUTIL_PC_NO_PACKET_IN
;
3099 choose_miss_rule(config
, ofproto
->miss_rule
,
3100 ofproto
->no_packet_in_rule
, rule
);
3104 static struct rule_dpif
*
3105 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
3106 const struct flow
*flow
, struct flow_wildcards
*wc
)
3108 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
3109 const struct cls_rule
*cls_rule
;
3110 struct rule_dpif
*rule
;
3112 fat_rwlock_rdlock(&cls
->rwlock
);
3113 if (ofproto
->up
.frag_handling
!= OFPC_FRAG_NX_MATCH
) {
3115 memset(&wc
->masks
.dl_type
, 0xff, sizeof wc
->masks
.dl_type
);
3116 if (is_ip_any(flow
)) {
3117 wc
->masks
.nw_frag
|= FLOW_NW_FRAG_MASK
;
3121 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
) {
3122 if (ofproto
->up
.frag_handling
== OFPC_FRAG_NORMAL
) {
3123 /* We must pretend that transport ports are unavailable. */
3124 struct flow ofpc_normal_flow
= *flow
;
3125 ofpc_normal_flow
.tp_src
= htons(0);
3126 ofpc_normal_flow
.tp_dst
= htons(0);
3127 cls_rule
= classifier_lookup(cls
, &ofpc_normal_flow
, wc
);
3129 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). */
3130 cls_rule
= &ofproto
->drop_frags_rule
->up
.cr
;
3133 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3136 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3139 rule
= rule_dpif_cast(rule_from_cls_rule(cls_rule
));
3140 rule_dpif_ref(rule
);
3141 fat_rwlock_unlock(&cls
->rwlock
);
3146 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3147 * Stores the rule that was found in '*rule', or NULL if none was found.
3148 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3151 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3152 * if none is found then the table miss configuration for that table is
3153 * honored, which can result in additional lookups in other OpenFlow tables.
3154 * In this case the function updates '*table_id' to reflect the final OpenFlow
3155 * table that was searched.
3157 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3162 * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found.
3164 * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found and a table miss
3165 * configuration specified that the packet should be dropped in this
3166 * case. (This occurs only if 'honor_table_miss' is true, because only in
3167 * this case does the table miss configuration matter.)
3169 * - RULE_DPIF_LOOKUP_VERDICT_CONTROLLER if no rule was found otherwise. */
3170 enum rule_dpif_lookup_verdict
3171 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
3172 const struct flow
*flow
,
3173 struct flow_wildcards
*wc
,
3174 bool honor_table_miss
,
3175 uint8_t *table_id
, struct rule_dpif
**rule
)
3179 for (next_id
= *table_id
;
3180 next_id
< ofproto
->up
.n_tables
;
3181 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
3183 *table_id
= next_id
;
3184 *rule
= rule_dpif_lookup_in_table(ofproto
, *table_id
, flow
, wc
);
3186 return RULE_DPIF_LOOKUP_VERDICT_MATCH
;
3187 } else if (!honor_table_miss
) {
3188 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3190 switch (table_get_config(&ofproto
->up
, *table_id
)
3191 & OFPTC11_TABLE_MISS_MASK
) {
3192 case OFPTC11_TABLE_MISS_CONTINUE
:
3195 case OFPTC11_TABLE_MISS_CONTROLLER
:
3196 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3198 case OFPTC11_TABLE_MISS_DROP
:
3199 return RULE_DPIF_LOOKUP_VERDICT_DROP
;
3204 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3207 /* Given a port configuration (specified as zero if there's no port), chooses
3208 * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a
3209 * flow table miss. */
3211 choose_miss_rule(enum ofputil_port_config config
, struct rule_dpif
*miss_rule
,
3212 struct rule_dpif
*no_packet_in_rule
, struct rule_dpif
**rule
)
3214 *rule
= config
& OFPUTIL_PC_NO_PACKET_IN
? no_packet_in_rule
: miss_rule
;
3215 rule_dpif_ref(*rule
);
3219 rule_dpif_ref(struct rule_dpif
*rule
)
3222 ofproto_rule_ref(&rule
->up
);
3227 rule_dpif_unref(struct rule_dpif
*rule
)
3230 ofproto_rule_unref(&rule
->up
);
3235 complete_operation(struct rule_dpif
*rule
)
3236 OVS_REQUIRES(ofproto_mutex
)
3238 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3240 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3241 ofoperation_complete(rule
->up
.pending
, 0);
3244 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
3246 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
3249 static struct rule
*
3252 struct rule_dpif
*rule
= xmalloc(sizeof *rule
);
3257 rule_dealloc(struct rule
*rule_
)
3259 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3264 rule_construct(struct rule
*rule_
)
3265 OVS_NO_THREAD_SAFETY_ANALYSIS
3267 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3268 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
3269 rule
->stats
.n_packets
= 0;
3270 rule
->stats
.n_bytes
= 0;
3271 rule
->stats
.used
= rule
->up
.modified
;
3276 rule_insert(struct rule
*rule_
)
3277 OVS_REQUIRES(ofproto_mutex
)
3279 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3280 complete_operation(rule
);
3284 rule_delete(struct rule
*rule_
)
3285 OVS_REQUIRES(ofproto_mutex
)
3287 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3288 complete_operation(rule
);
3292 rule_destruct(struct rule
*rule_
)
3294 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3295 ovs_mutex_destroy(&rule
->stats_mutex
);
3299 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
3300 long long int *used
)
3302 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3304 ovs_mutex_lock(&rule
->stats_mutex
);
3305 *packets
= rule
->stats
.n_packets
;
3306 *bytes
= rule
->stats
.n_bytes
;
3307 *used
= rule
->stats
.used
;
3308 ovs_mutex_unlock(&rule
->stats_mutex
);
3312 rule_dpif_execute(struct rule_dpif
*rule
, const struct flow
*flow
,
3313 struct ofpbuf
*packet
)
3315 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3317 ofproto_dpif_execute_actions(ofproto
, flow
, rule
, NULL
, 0, packet
);
3321 rule_execute(struct rule
*rule
, const struct flow
*flow
,
3322 struct ofpbuf
*packet
)
3324 rule_dpif_execute(rule_dpif_cast(rule
), flow
, packet
);
3325 ofpbuf_delete(packet
);
3330 rule_modify_actions(struct rule
*rule_
, bool reset_counters
)
3331 OVS_REQUIRES(ofproto_mutex
)
3333 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3335 if (reset_counters
) {
3336 ovs_mutex_lock(&rule
->stats_mutex
);
3337 rule
->stats
.n_packets
= 0;
3338 rule
->stats
.n_bytes
= 0;
3339 ovs_mutex_unlock(&rule
->stats_mutex
);
3342 complete_operation(rule
);
3345 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
3347 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
3350 static struct ofgroup
*
3353 struct group_dpif
*group
= xzalloc(sizeof *group
);
3358 group_dealloc(struct ofgroup
*group_
)
3360 struct group_dpif
*group
= group_dpif_cast(group_
);
3365 group_construct_stats(struct group_dpif
*group
)
3366 OVS_REQUIRES(group
->stats_mutex
)
3368 group
->packet_count
= 0;
3369 group
->byte_count
= 0;
3370 if (!group
->bucket_stats
) {
3371 group
->bucket_stats
= xcalloc(group
->up
.n_buckets
,
3372 sizeof *group
->bucket_stats
);
3374 memset(group
->bucket_stats
, 0, group
->up
.n_buckets
*
3375 sizeof *group
->bucket_stats
);
3380 group_construct(struct ofgroup
*group_
)
3382 struct group_dpif
*group
= group_dpif_cast(group_
);
3383 const struct ofputil_bucket
*bucket
;
3385 /* Prevent group chaining because our locking structure makes it hard to
3386 * implement deadlock-free. (See xlate_group_resource_check().) */
3387 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
3388 const struct ofpact
*a
;
3390 OFPACT_FOR_EACH (a
, bucket
->ofpacts
, bucket
->ofpacts_len
) {
3391 if (a
->type
== OFPACT_GROUP
) {
3392 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED
;
3397 ovs_mutex_init_adaptive(&group
->stats_mutex
);
3398 ovs_mutex_lock(&group
->stats_mutex
);
3399 group_construct_stats(group
);
3400 ovs_mutex_unlock(&group
->stats_mutex
);
3405 group_destruct__(struct group_dpif
*group
)
3406 OVS_REQUIRES(group
->stats_mutex
)
3408 free(group
->bucket_stats
);
3409 group
->bucket_stats
= NULL
;
3413 group_destruct(struct ofgroup
*group_
)
3415 struct group_dpif
*group
= group_dpif_cast(group_
);
3416 ovs_mutex_lock(&group
->stats_mutex
);
3417 group_destruct__(group
);
3418 ovs_mutex_unlock(&group
->stats_mutex
);
3419 ovs_mutex_destroy(&group
->stats_mutex
);
3423 group_modify(struct ofgroup
*group_
, struct ofgroup
*victim_
)
3425 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(group_
->ofproto
);
3426 struct group_dpif
*group
= group_dpif_cast(group_
);
3427 struct group_dpif
*victim
= group_dpif_cast(victim_
);
3429 ovs_mutex_lock(&group
->stats_mutex
);
3430 if (victim
->up
.n_buckets
< group
->up
.n_buckets
) {
3431 group_destruct__(group
);
3433 group_construct_stats(group
);
3434 ovs_mutex_unlock(&group
->stats_mutex
);
3436 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3442 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
3444 struct group_dpif
*group
= group_dpif_cast(group_
);
3446 ovs_mutex_lock(&group
->stats_mutex
);
3447 ogs
->packet_count
= group
->packet_count
;
3448 ogs
->byte_count
= group
->byte_count
;
3449 memcpy(ogs
->bucket_stats
, group
->bucket_stats
,
3450 group
->up
.n_buckets
* sizeof *group
->bucket_stats
);
3451 ovs_mutex_unlock(&group
->stats_mutex
);
3457 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
3458 struct group_dpif
**group
)
3459 OVS_TRY_RDLOCK(true, (*group
)->up
.rwlock
)
3461 struct ofgroup
*ofgroup
;
3465 found
= ofproto_group_lookup(&ofproto
->up
, group_id
, &ofgroup
);
3466 *group
= found
? group_dpif_cast(ofgroup
) : NULL
;
3472 group_dpif_release(struct group_dpif
*group
)
3473 OVS_RELEASES(group
->up
.rwlock
)
3475 ofproto_group_release(&group
->up
);
3479 group_dpif_get_buckets(const struct group_dpif
*group
,
3480 const struct list
**buckets
)
3482 *buckets
= &group
->up
.buckets
;
3485 enum ofp11_group_type
3486 group_dpif_get_type(const struct group_dpif
*group
)
3488 return group
->up
.type
;
3491 /* Sends 'packet' out 'ofport'.
3492 * May modify 'packet'.
3493 * Returns 0 if successful, otherwise a positive errno value. */
3495 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, struct ofpbuf
*packet
)
3497 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3500 error
= xlate_send_packet(ofport
, packet
);
3502 ovs_mutex_lock(&ofproto
->stats_mutex
);
3503 ofproto
->stats
.tx_packets
++;
3504 ofproto
->stats
.tx_bytes
+= packet
->size
;
3505 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3510 set_frag_handling(struct ofproto
*ofproto_
,
3511 enum ofp_config_flags frag_handling
)
3513 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3514 if (frag_handling
!= OFPC_FRAG_REASM
) {
3515 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3523 packet_out(struct ofproto
*ofproto_
, struct ofpbuf
*packet
,
3524 const struct flow
*flow
,
3525 const struct ofpact
*ofpacts
, size_t ofpacts_len
)
3527 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3529 ofproto_dpif_execute_actions(ofproto
, flow
, NULL
, ofpacts
,
3530 ofpacts_len
, packet
);
3537 set_netflow(struct ofproto
*ofproto_
,
3538 const struct netflow_options
*netflow_options
)
3540 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3542 if (netflow_options
) {
3543 if (!ofproto
->netflow
) {
3544 ofproto
->netflow
= netflow_create();
3545 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3547 return netflow_set_options(ofproto
->netflow
, netflow_options
);
3548 } else if (ofproto
->netflow
) {
3549 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3550 netflow_unref(ofproto
->netflow
);
3551 ofproto
->netflow
= NULL
;
3558 get_netflow_ids(const struct ofproto
*ofproto_
,
3559 uint8_t *engine_type
, uint8_t *engine_id
)
3561 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3563 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
3566 static struct ofproto_dpif
*
3567 ofproto_dpif_lookup(const char *name
)
3569 struct ofproto_dpif
*ofproto
;
3571 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
3572 hash_string(name
, 0), &all_ofproto_dpifs
) {
3573 if (!strcmp(ofproto
->up
.name
, name
)) {
3581 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
3582 const char *argv
[], void *aux OVS_UNUSED
)
3584 struct ofproto_dpif
*ofproto
;
3587 ofproto
= ofproto_dpif_lookup(argv
[1]);
3589 unixctl_command_reply_error(conn
, "no such bridge");
3592 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3593 mac_learning_flush(ofproto
->ml
);
3594 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3596 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3597 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3598 mac_learning_flush(ofproto
->ml
);
3599 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3603 unixctl_command_reply(conn
, "table successfully flushed");
3606 static struct ofport_dpif
*
3607 ofbundle_get_a_port(const struct ofbundle
*bundle
)
3609 return CONTAINER_OF(list_front(&bundle
->ports
), struct ofport_dpif
,
3614 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3615 const char *argv
[], void *aux OVS_UNUSED
)
3617 struct ds ds
= DS_EMPTY_INITIALIZER
;
3618 const struct ofproto_dpif
*ofproto
;
3619 const struct mac_entry
*e
;
3621 ofproto
= ofproto_dpif_lookup(argv
[1]);
3623 unixctl_command_reply_error(conn
, "no such bridge");
3627 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
3628 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3629 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3630 struct ofbundle
*bundle
= e
->port
.p
;
3631 char name
[OFP_MAX_PORT_NAME_LEN
];
3633 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
3635 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
3636 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
3637 mac_entry_age(ofproto
->ml
, e
));
3639 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3640 unixctl_command_reply(conn
, ds_cstr(&ds
));
3645 struct xlate_out xout
;
3646 struct xlate_in xin
;
3648 struct flow_wildcards wc
;
3653 trace_format_rule(struct ds
*result
, int level
, const struct rule_dpif
*rule
)
3655 struct rule_actions
*actions
;
3658 ds_put_char_multiple(result
, '\t', level
);
3660 ds_put_cstr(result
, "No match\n");
3664 ovs_mutex_lock(&rule
->up
.mutex
);
3665 cookie
= rule
->up
.flow_cookie
;
3666 ovs_mutex_unlock(&rule
->up
.mutex
);
3668 ds_put_format(result
, "Rule: table=%"PRIu8
" cookie=%#"PRIx64
" ",
3669 rule
? rule
->up
.table_id
: 0, ntohll(cookie
));
3670 cls_rule_format(&rule
->up
.cr
, result
);
3671 ds_put_char(result
, '\n');
3673 actions
= rule_dpif_get_actions(rule
);
3675 ds_put_char_multiple(result
, '\t', level
);
3676 ds_put_cstr(result
, "OpenFlow actions=");
3677 ofpacts_format(actions
->ofpacts
, actions
->ofpacts_len
, result
);
3678 ds_put_char(result
, '\n');
3682 trace_format_flow(struct ds
*result
, int level
, const char *title
,
3683 struct trace_ctx
*trace
)
3685 ds_put_char_multiple(result
, '\t', level
);
3686 ds_put_format(result
, "%s: ", title
);
3687 if (flow_equal(&trace
->xin
.flow
, &trace
->flow
)) {
3688 ds_put_cstr(result
, "unchanged");
3690 flow_format(result
, &trace
->xin
.flow
);
3691 trace
->flow
= trace
->xin
.flow
;
3693 ds_put_char(result
, '\n');
3697 trace_format_regs(struct ds
*result
, int level
, const char *title
,
3698 struct trace_ctx
*trace
)
3702 ds_put_char_multiple(result
, '\t', level
);
3703 ds_put_format(result
, "%s:", title
);
3704 for (i
= 0; i
< FLOW_N_REGS
; i
++) {
3705 ds_put_format(result
, " reg%"PRIuSIZE
"=0x%"PRIx32
, i
, trace
->flow
.regs
[i
]);
3707 ds_put_char(result
, '\n');
3711 trace_format_odp(struct ds
*result
, int level
, const char *title
,
3712 struct trace_ctx
*trace
)
3714 struct ofpbuf
*odp_actions
= &trace
->xout
.odp_actions
;
3716 ds_put_char_multiple(result
, '\t', level
);
3717 ds_put_format(result
, "%s: ", title
);
3718 format_odp_actions(result
, odp_actions
->data
, odp_actions
->size
);
3719 ds_put_char(result
, '\n');
3723 trace_format_megaflow(struct ds
*result
, int level
, const char *title
,
3724 struct trace_ctx
*trace
)
3728 ds_put_char_multiple(result
, '\t', level
);
3729 ds_put_format(result
, "%s: ", title
);
3730 flow_wildcards_or(&trace
->wc
, &trace
->xout
.wc
, &trace
->wc
);
3731 match_init(&match
, &trace
->flow
, &trace
->wc
);
3732 match_format(&match
, result
, OFP_DEFAULT_PRIORITY
);
3733 ds_put_char(result
, '\n');
3737 trace_resubmit(struct xlate_in
*xin
, struct rule_dpif
*rule
, int recurse
)
3739 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
3740 struct ds
*result
= trace
->result
;
3742 ds_put_char(result
, '\n');
3743 trace_format_flow(result
, recurse
+ 1, "Resubmitted flow", trace
);
3744 trace_format_regs(result
, recurse
+ 1, "Resubmitted regs", trace
);
3745 trace_format_odp(result
, recurse
+ 1, "Resubmitted odp", trace
);
3746 trace_format_megaflow(result
, recurse
+ 1, "Resubmitted megaflow", trace
);
3747 trace_format_rule(result
, recurse
+ 1, rule
);
3751 trace_report(struct xlate_in
*xin
, const char *s
, int recurse
)
3753 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
3754 struct ds
*result
= trace
->result
;
3756 ds_put_char_multiple(result
, '\t', recurse
);
3757 ds_put_cstr(result
, s
);
3758 ds_put_char(result
, '\n');
3761 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
3762 * forms are supported:
3764 * - [dpname] odp_flow [-generate | packet]
3765 * - bridge br_flow [-generate | packet]
3767 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
3768 * returns a nonnull malloced error message. */
3769 static char * WARN_UNUSED_RESULT
3770 parse_flow_and_packet(int argc
, const char *argv
[],
3771 struct ofproto_dpif
**ofprotop
, struct flow
*flow
,
3772 struct ofpbuf
**packetp
)
3774 const struct dpif_backer
*backer
= NULL
;
3775 const char *error
= NULL
;
3777 struct simap port_names
= SIMAP_INITIALIZER(&port_names
);
3778 struct ofpbuf
*packet
;
3779 struct ofpbuf odp_key
;
3780 struct ofpbuf odp_mask
;
3782 ofpbuf_init(&odp_key
, 0);
3783 ofpbuf_init(&odp_mask
, 0);
3785 /* Handle "-generate" or a hex string as the last argument. */
3786 if (!strcmp(argv
[argc
- 1], "-generate")) {
3787 packet
= ofpbuf_new(0);
3790 error
= eth_from_hex(argv
[argc
- 1], &packet
);
3793 } else if (argc
== 4) {
3794 /* The 3-argument form must end in "-generate' or a hex string. */
3800 /* odp_flow can have its in_port specified as a name instead of port no.
3801 * We do not yet know whether a given flow is a odp_flow or a br_flow.
3802 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
3803 * we need to create a simap of name to port no. */
3805 const char *dp_type
;
3806 if (!strncmp(argv
[1], "ovs-", 4)) {
3807 dp_type
= argv
[1] + 4;
3811 backer
= shash_find_data(&all_dpif_backers
, dp_type
);
3812 } else if (argc
== 2) {
3813 struct shash_node
*node
;
3814 if (shash_count(&all_dpif_backers
) == 1) {
3815 node
= shash_first(&all_dpif_backers
);
3816 backer
= node
->data
;
3819 error
= "Syntax error";
3822 if (backer
&& backer
->dpif
) {
3823 struct dpif_port dpif_port
;
3824 struct dpif_port_dump port_dump
;
3825 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, backer
->dpif
) {
3826 simap_put(&port_names
, dpif_port
.name
,
3827 odp_to_u32(dpif_port
.port_no
));
3831 /* Parse the flow and determine whether a datapath or
3832 * bridge is specified. If function odp_flow_key_from_string()
3833 * returns 0, the flow is a odp_flow. If function
3834 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
3835 if (!odp_flow_from_string(argv
[argc
- 1], &port_names
,
3836 &odp_key
, &odp_mask
)) {
3838 error
= "Cannot find the datapath";
3842 if (xlate_receive(backer
, NULL
, odp_key
.data
, odp_key
.size
, flow
,
3843 ofprotop
, NULL
, NULL
, NULL
, NULL
)) {
3844 error
= "Invalid datapath flow";
3848 char *err
= parse_ofp_exact_flow(flow
, NULL
, argv
[argc
- 1], NULL
);
3851 m_err
= xasprintf("Bad flow syntax: %s", err
);
3856 error
= "Must specify bridge name";
3860 *ofprotop
= ofproto_dpif_lookup(argv
[1]);
3862 error
= "Unknown bridge name";
3868 /* Generate a packet, if requested. */
3870 if (!packet
->size
) {
3871 flow_compose(packet
, flow
);
3873 struct pkt_metadata md
= PKT_METADATA_INITIALIZER_FLOW(flow
);
3875 /* Use the metadata from the flow and the packet argument
3876 * to reconstruct the flow. */
3877 flow_extract(packet
, &md
, flow
);
3882 if (error
&& !m_err
) {
3883 m_err
= xstrdup(error
);
3886 ofpbuf_delete(packet
);
3890 ofpbuf_uninit(&odp_key
);
3891 ofpbuf_uninit(&odp_mask
);
3892 simap_destroy(&port_names
);
3897 ofproto_unixctl_trace(struct unixctl_conn
*conn
, int argc
, const char *argv
[],
3898 void *aux OVS_UNUSED
)
3900 struct ofproto_dpif
*ofproto
;
3901 struct ofpbuf
*packet
;
3905 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
3910 ofproto_trace(ofproto
, &flow
, packet
, NULL
, 0, &result
);
3911 unixctl_command_reply(conn
, ds_cstr(&result
));
3912 ds_destroy(&result
);
3913 ofpbuf_delete(packet
);
3915 unixctl_command_reply_error(conn
, error
);
3921 ofproto_unixctl_trace_actions(struct unixctl_conn
*conn
, int argc
,
3922 const char *argv
[], void *aux OVS_UNUSED
)
3924 enum ofputil_protocol usable_protocols
;
3925 struct ofproto_dpif
*ofproto
;
3926 bool enforce_consistency
;
3927 struct ofpbuf ofpacts
;
3928 struct ofpbuf
*packet
;
3933 /* Three kinds of error return values! */
3939 ofpbuf_init(&ofpacts
, 0);
3941 /* Parse actions. */
3942 error
= parse_ofpacts(argv
[--argc
], &ofpacts
, &usable_protocols
);
3944 unixctl_command_reply_error(conn
, error
);
3949 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
3950 * consistency between the flow and the actions. With -consistent, we
3951 * enforce consistency even for a flow supported in OpenFlow 1.0. */
3952 if (!strcmp(argv
[1], "-consistent")) {
3953 enforce_consistency
= true;
3957 enforce_consistency
= false;
3960 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
3962 unixctl_command_reply_error(conn
, error
);
3967 /* Do the same checks as handle_packet_out() in ofproto.c.
3969 * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't
3970 * strictly correct because these actions aren't in any table, but it's OK
3971 * because it 'table_id' is used only to check goto_table instructions, but
3972 * packet-outs take a list of actions and therefore it can't include
3975 * We skip the "meter" check here because meter is an instruction, not an
3976 * action, and thus cannot appear in ofpacts. */
3977 in_port
= ofp_to_u16(flow
.in_port
.ofp_port
);
3978 if (in_port
>= ofproto
->up
.max_ports
&& in_port
< ofp_to_u16(OFPP_MAX
)) {
3979 unixctl_command_reply_error(conn
, "invalid in_port");
3982 if (enforce_consistency
) {
3983 retval
= ofpacts_check_consistency(ofpacts
.data
, ofpacts
.size
, &flow
,
3984 u16_to_ofp(ofproto
->up
.max_ports
),
3985 0, 0, usable_protocols
);
3987 retval
= ofpacts_check(ofpacts
.data
, ofpacts
.size
, &flow
,
3988 u16_to_ofp(ofproto
->up
.max_ports
), 0, 0,
3994 ds_put_format(&result
, "Bad actions: %s", ofperr_to_string(retval
));
3995 unixctl_command_reply_error(conn
, ds_cstr(&result
));
3999 ofproto_trace(ofproto
, &flow
, packet
, ofpacts
.data
, ofpacts
.size
, &result
);
4000 unixctl_command_reply(conn
, ds_cstr(&result
));
4003 ds_destroy(&result
);
4004 ofpbuf_delete(packet
);
4005 ofpbuf_uninit(&ofpacts
);
4008 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4009 * description of the results to 'ds'.
4011 * The trace follows a packet with the specified 'flow' through the flow
4012 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4013 * side effects (if it is nonnull then its flow must be 'flow').
4015 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4016 * trace, otherwise the actions are determined by a flow table lookup. */
4018 ofproto_trace(struct ofproto_dpif
*ofproto
, const struct flow
*flow
,
4019 const struct ofpbuf
*packet
,
4020 const struct ofpact ofpacts
[], size_t ofpacts_len
,
4023 struct rule_dpif
*rule
;
4024 struct trace_ctx trace
;
4026 ds_put_format(ds
, "Bridge: %s\n", ofproto
->up
.name
);
4027 ds_put_cstr(ds
, "Flow: ");
4028 flow_format(ds
, flow
);
4029 ds_put_char(ds
, '\n');
4031 flow_wildcards_init_catchall(&trace
.wc
);
4035 rule_dpif_lookup(ofproto
, flow
, &trace
.wc
, &rule
);
4037 trace_format_rule(ds
, 0, rule
);
4038 if (rule
== ofproto
->miss_rule
) {
4039 ds_put_cstr(ds
, "\nNo match, flow generates \"packet in\"s.\n");
4040 } else if (rule
== ofproto
->no_packet_in_rule
) {
4041 ds_put_cstr(ds
, "\nNo match, packets dropped because "
4042 "OFPPC_NO_PACKET_IN is set on in_port.\n");
4043 } else if (rule
== ofproto
->drop_frags_rule
) {
4044 ds_put_cstr(ds
, "\nPackets dropped because they are IP fragments "
4045 "and the fragment handling mode is \"drop\".\n");
4049 if (rule
|| ofpacts
) {
4052 xlate_in_init(&trace
.xin
, ofproto
, flow
, rule
, ntohs(flow
->tcp_flags
),
4055 trace
.xin
.ofpacts
= ofpacts
;
4056 trace
.xin
.ofpacts_len
= ofpacts_len
;
4058 trace
.xin
.resubmit_hook
= trace_resubmit
;
4059 trace
.xin
.report_hook
= trace_report
;
4061 xlate_actions(&trace
.xin
, &trace
.xout
);
4063 ds_put_char(ds
, '\n');
4064 trace_format_flow(ds
, 0, "Final flow", &trace
);
4065 trace_format_megaflow(ds
, 0, "Megaflow", &trace
);
4067 ds_put_cstr(ds
, "Datapath actions: ");
4068 format_odp_actions(ds
, trace
.xout
.odp_actions
.data
,
4069 trace
.xout
.odp_actions
.size
);
4071 if (trace
.xout
.slow
) {
4072 enum slow_path_reason slow
;
4074 ds_put_cstr(ds
, "\nThis flow is handled by the userspace "
4075 "slow path because it:");
4077 slow
= trace
.xout
.slow
;
4079 enum slow_path_reason bit
= rightmost_1bit(slow
);
4081 ds_put_format(ds
, "\n\t- %s.",
4082 slow_path_reason_to_explanation(bit
));
4088 xlate_out_uninit(&trace
.xout
);
4091 rule_dpif_unref(rule
);
4094 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4095 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4096 * to destroy 'ofproto_shash' and free the returned value. */
4097 static const struct shash_node
**
4098 get_ofprotos(struct shash
*ofproto_shash
)
4100 const struct ofproto_dpif
*ofproto
;
4102 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4103 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
4104 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
4107 return shash_sort(ofproto_shash
);
4111 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4112 const char *argv
[] OVS_UNUSED
,
4113 void *aux OVS_UNUSED
)
4115 struct ds ds
= DS_EMPTY_INITIALIZER
;
4116 struct shash ofproto_shash
;
4117 const struct shash_node
**sorted_ofprotos
;
4120 shash_init(&ofproto_shash
);
4121 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
4122 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4123 const struct shash_node
*node
= sorted_ofprotos
[i
];
4124 ds_put_format(&ds
, "%s\n", node
->name
);
4127 shash_destroy(&ofproto_shash
);
4128 free(sorted_ofprotos
);
4130 unixctl_command_reply(conn
, ds_cstr(&ds
));
4135 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
4137 const struct shash_node
**ofprotos
;
4138 struct dpif_dp_stats dp_stats
;
4139 struct shash ofproto_shash
;
4142 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
4144 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
4145 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
4147 shash_init(&ofproto_shash
);
4148 ofprotos
= get_ofprotos(&ofproto_shash
);
4149 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4150 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
4151 const struct shash_node
**ports
;
4154 if (ofproto
->backer
!= backer
) {
4158 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
4160 ports
= shash_sort(&ofproto
->up
.port_by_name
);
4161 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
4162 const struct shash_node
*node
= ports
[j
];
4163 struct ofport
*ofport
= node
->data
;
4165 odp_port_t odp_port
;
4167 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
4170 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
4171 if (odp_port
!= ODPP_NONE
) {
4172 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
4174 ds_put_cstr(ds
, "none:");
4177 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
4180 if (!netdev_get_config(ofport
->netdev
, &config
)) {
4181 const struct smap_node
**nodes
;
4184 nodes
= smap_sort(&config
);
4185 for (i
= 0; i
< smap_count(&config
); i
++) {
4186 const struct smap_node
*node
= nodes
[i
];
4187 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
4188 node
->key
, node
->value
);
4192 smap_destroy(&config
);
4194 ds_put_char(ds
, ')');
4195 ds_put_char(ds
, '\n');
4199 shash_destroy(&ofproto_shash
);
4204 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4205 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
4207 struct ds ds
= DS_EMPTY_INITIALIZER
;
4208 const struct shash_node
**backers
;
4211 backers
= shash_sort(&all_dpif_backers
);
4212 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
4213 dpif_show_backer(backers
[i
]->data
, &ds
);
4217 unixctl_command_reply(conn
, ds_cstr(&ds
));
4222 ofproto_dpif_contains_flow(const struct ofproto_dpif
*ofproto
,
4223 const struct nlattr
*key
, size_t key_len
)
4225 struct ofproto_dpif
*ofp
;
4228 xlate_receive(ofproto
->backer
, NULL
, key
, key_len
, &flow
, &ofp
,
4229 NULL
, NULL
, NULL
, NULL
);
4230 return ofp
== ofproto
;
4234 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
4235 int argc OVS_UNUSED
, const char *argv
[],
4236 void *aux OVS_UNUSED
)
4238 struct ds ds
= DS_EMPTY_INITIALIZER
;
4239 const struct dpif_flow_stats
*stats
;
4240 const struct ofproto_dpif
*ofproto
;
4241 struct dpif_flow_dump flow_dump
;
4242 const struct nlattr
*actions
;
4243 const struct nlattr
*mask
;
4244 const struct nlattr
*key
;
4248 bool verbosity
= false;
4249 struct dpif_port dpif_port
;
4250 struct dpif_port_dump port_dump
;
4251 struct hmap portno_names
;
4255 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
4257 unixctl_command_reply_error(conn
, "no such bridge");
4261 if (argc
> 2 && !strcmp(argv
[1], "-m")) {
4265 hmap_init(&portno_names
);
4266 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
4267 odp_portno_names_set(&portno_names
, dpif_port
.port_no
, dpif_port
.name
);
4271 error
= dpif_flow_dump_start(&flow_dump
, ofproto
->backer
->dpif
);
4275 dpif_flow_dump_state_init(ofproto
->backer
->dpif
, &state
);
4276 while (dpif_flow_dump_next(&flow_dump
, state
, &key
, &key_len
,
4277 &mask
, &mask_len
, &actions
, &actions_len
,
4279 if (!ofproto_dpif_contains_flow(ofproto
, key
, key_len
)) {
4283 odp_flow_format(key
, key_len
, mask
, mask_len
, &portno_names
, &ds
,
4285 ds_put_cstr(&ds
, ", ");
4286 dpif_flow_stats_format(stats
, &ds
);
4287 ds_put_cstr(&ds
, ", actions:");
4288 format_odp_actions(&ds
, actions
, actions_len
);
4289 ds_put_char(&ds
, '\n');
4291 dpif_flow_dump_state_uninit(ofproto
->backer
->dpif
, state
);
4292 error
= dpif_flow_dump_done(&flow_dump
);
4297 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
4298 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
4300 unixctl_command_reply(conn
, ds_cstr(&ds
));
4302 odp_portno_names_destroy(&portno_names
);
4303 hmap_destroy(&portno_names
);
4308 ofproto_dpif_unixctl_init(void)
4310 static bool registered
;
4316 unixctl_command_register(
4318 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
4319 1, 3, ofproto_unixctl_trace
, NULL
);
4320 unixctl_command_register(
4321 "ofproto/trace-packet-out",
4322 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
4323 2, 6, ofproto_unixctl_trace_actions
, NULL
);
4324 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
4325 ofproto_unixctl_fdb_flush
, NULL
);
4326 unixctl_command_register("fdb/show", "bridge", 1, 1,
4327 ofproto_unixctl_fdb_show
, NULL
);
4328 unixctl_command_register("dpif/dump-dps", "", 0, 0,
4329 ofproto_unixctl_dpif_dump_dps
, NULL
);
4330 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
4332 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
4333 ofproto_unixctl_dpif_dump_flows
, NULL
);
4336 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4338 * This is deprecated. It is only for compatibility with broken device drivers
4339 * in old versions of Linux that do not properly support VLANs when VLAN
4340 * devices are not used. When broken device drivers are no longer in
4341 * widespread use, we will delete these interfaces. */
4344 set_realdev(struct ofport
*ofport_
, ofp_port_t realdev_ofp_port
, int vid
)
4346 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
4347 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
4349 if (realdev_ofp_port
== ofport
->realdev_ofp_port
4350 && vid
== ofport
->vlandev_vid
) {
4354 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4356 if (ofport
->realdev_ofp_port
) {
4359 if (realdev_ofp_port
&& ofport
->bundle
) {
4360 /* vlandevs are enslaved to their realdevs, so they are not allowed to
4361 * themselves be part of a bundle. */
4362 bundle_set(ofport
->up
.ofproto
, ofport
->bundle
, NULL
);
4365 ofport
->realdev_ofp_port
= realdev_ofp_port
;
4366 ofport
->vlandev_vid
= vid
;
4368 if (realdev_ofp_port
) {
4369 vsp_add(ofport
, realdev_ofp_port
, vid
);
4376 hash_realdev_vid(ofp_port_t realdev_ofp_port
, int vid
)
4378 return hash_2words(ofp_to_u16(realdev_ofp_port
), vid
);
4382 ofproto_has_vlan_splinters(const struct ofproto_dpif
*ofproto
)
4383 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4385 /* hmap_is_empty is thread safe. */
4386 return !hmap_is_empty(&ofproto
->realdev_vid_map
);
4390 vsp_realdev_to_vlandev__(const struct ofproto_dpif
*ofproto
,
4391 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
4392 OVS_REQUIRES(ofproto
->vsp_mutex
)
4394 if (!hmap_is_empty(&ofproto
->realdev_vid_map
)) {
4395 int vid
= vlan_tci_to_vid(vlan_tci
);
4396 const struct vlan_splinter
*vsp
;
4398 HMAP_FOR_EACH_WITH_HASH (vsp
, realdev_vid_node
,
4399 hash_realdev_vid(realdev_ofp_port
, vid
),
4400 &ofproto
->realdev_vid_map
) {
4401 if (vsp
->realdev_ofp_port
== realdev_ofp_port
4402 && vsp
->vid
== vid
) {
4403 return vsp
->vlandev_ofp_port
;
4407 return realdev_ofp_port
;
4410 /* Returns the OFP port number of the Linux VLAN device that corresponds to
4411 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
4412 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
4413 * 'vlan_tci' 9, it would return the port number of eth0.9.
4415 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
4416 * function just returns its 'realdev_ofp_port' argument. */
4418 vsp_realdev_to_vlandev(const struct ofproto_dpif
*ofproto
,
4419 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
4420 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4424 /* hmap_is_empty is thread safe, see if we can return immediately. */
4425 if (hmap_is_empty(&ofproto
->realdev_vid_map
)) {
4426 return realdev_ofp_port
;
4428 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4429 ret
= vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, vlan_tci
);
4430 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4434 static struct vlan_splinter
*
4435 vlandev_find(const struct ofproto_dpif
*ofproto
, ofp_port_t vlandev_ofp_port
)
4437 struct vlan_splinter
*vsp
;
4439 HMAP_FOR_EACH_WITH_HASH (vsp
, vlandev_node
,
4440 hash_ofp_port(vlandev_ofp_port
),
4441 &ofproto
->vlandev_map
) {
4442 if (vsp
->vlandev_ofp_port
== vlandev_ofp_port
) {
4450 /* Returns the OpenFlow port number of the "real" device underlying the Linux
4451 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
4452 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
4453 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
4454 * eth0 and store 9 in '*vid'.
4456 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
4457 * VLAN device. Unless VLAN splinters are enabled, this is what this function
4460 vsp_vlandev_to_realdev(const struct ofproto_dpif
*ofproto
,
4461 ofp_port_t vlandev_ofp_port
, int *vid
)
4462 OVS_REQUIRES(ofproto
->vsp_mutex
)
4464 if (!hmap_is_empty(&ofproto
->vlandev_map
)) {
4465 const struct vlan_splinter
*vsp
;
4467 vsp
= vlandev_find(ofproto
, vlandev_ofp_port
);
4472 return vsp
->realdev_ofp_port
;
4478 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
4479 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
4480 * 'flow->in_port' to the "real" device backing the VLAN device, sets
4481 * 'flow->vlan_tci' to the VLAN VID, and returns true. Otherwise (which is
4482 * always the case unless VLAN splinters are enabled), returns false without
4483 * making any changes. */
4485 vsp_adjust_flow(const struct ofproto_dpif
*ofproto
, struct flow
*flow
)
4486 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4491 /* hmap_is_empty is thread safe. */
4492 if (hmap_is_empty(&ofproto
->vlandev_map
)) {
4496 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4497 realdev
= vsp_vlandev_to_realdev(ofproto
, flow
->in_port
.ofp_port
, &vid
);
4498 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4503 /* Cause the flow to be processed as if it came in on the real device with
4504 * the VLAN device's VLAN ID. */
4505 flow
->in_port
.ofp_port
= realdev
;
4506 flow
->vlan_tci
= htons((vid
& VLAN_VID_MASK
) | VLAN_CFI
);
4511 vsp_remove(struct ofport_dpif
*port
)
4513 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
4514 struct vlan_splinter
*vsp
;
4516 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4517 vsp
= vlandev_find(ofproto
, port
->up
.ofp_port
);
4519 hmap_remove(&ofproto
->vlandev_map
, &vsp
->vlandev_node
);
4520 hmap_remove(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
);
4523 port
->realdev_ofp_port
= 0;
4525 VLOG_ERR("missing vlan device record");
4527 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4531 vsp_add(struct ofport_dpif
*port
, ofp_port_t realdev_ofp_port
, int vid
)
4533 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
4535 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4536 if (!vsp_vlandev_to_realdev(ofproto
, port
->up
.ofp_port
, NULL
)
4537 && (vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, htons(vid
))
4538 == realdev_ofp_port
)) {
4539 struct vlan_splinter
*vsp
;
4541 vsp
= xmalloc(sizeof *vsp
);
4542 vsp
->realdev_ofp_port
= realdev_ofp_port
;
4543 vsp
->vlandev_ofp_port
= port
->up
.ofp_port
;
4546 port
->realdev_ofp_port
= realdev_ofp_port
;
4548 hmap_insert(&ofproto
->vlandev_map
, &vsp
->vlandev_node
,
4549 hash_ofp_port(port
->up
.ofp_port
));
4550 hmap_insert(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
,
4551 hash_realdev_vid(realdev_ofp_port
, vid
));
4553 VLOG_ERR("duplicate vlan device record");
4555 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4559 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
4561 const struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
4562 return ofport
? ofport
->odp_port
: ODPP_NONE
;
4565 struct ofport_dpif
*
4566 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
4568 struct ofport_dpif
*port
;
4570 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
4571 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
4572 &backer
->odp_to_ofport_map
) {
4573 if (port
->odp_port
== odp_port
) {
4574 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
4579 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
4584 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
4586 struct ofport_dpif
*port
;
4588 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
4589 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
4590 return port
->up
.ofp_port
;
4596 const struct ofproto_class ofproto_dpif_class
= {
4610 NULL
, /* get_memory_usage. */
4611 type_get_memory_usage
,
4630 port_is_lacp_current
,
4631 NULL
, /* rule_choose_table */
4640 rule_modify_actions
,
4654 get_stp_port_status
,
4662 is_mirror_output_bundle
,
4663 forward_bpdu_changed
,
4664 set_mac_table_config
,
4666 NULL
, /* meter_get_features */
4667 NULL
, /* meter_set */
4668 NULL
, /* meter_get */
4669 NULL
, /* meter_del */
4670 group_alloc
, /* group_alloc */
4671 group_construct
, /* group_construct */
4672 group_destruct
, /* group_destruct */
4673 group_dealloc
, /* group_dealloc */
4674 group_modify
, /* group_modify */
4675 group_get_stats
, /* group_get_stats */