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-rid.h"
57 #include "ofproto-dpif-sflow.h"
58 #include "ofproto-dpif-upcall.h"
59 #include "ofproto-dpif-xlate.h"
60 #include "poll-loop.h"
66 #include "unaligned.h"
68 #include "vlan-bitmap.h"
71 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
73 COVERAGE_DEFINE(ofproto_dpif_expired
);
74 COVERAGE_DEFINE(packet_in_overflow
);
76 /* Number of implemented OpenFlow tables. */
77 enum { N_TABLES
= 255 };
78 enum { TBL_INTERNAL
= N_TABLES
- 1 }; /* Used for internal hidden rules. */
79 BUILD_ASSERT_DECL(N_TABLES
>= 2 && N_TABLES
<= 255);
88 * - Do include packets and bytes from datapath flows which have not
89 * recently been processed by a revalidator. */
90 struct ovs_mutex stats_mutex
;
91 struct dpif_flow_stats stats OVS_GUARDED
;
94 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
96 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
97 static void rule_expire(struct rule_dpif
*);
104 * - Do include packets and bytes from datapath flows which have not
105 * recently been processed by a revalidator. */
106 struct ovs_mutex stats_mutex
;
107 uint64_t packet_count OVS_GUARDED
; /* Number of packets received. */
108 uint64_t byte_count OVS_GUARDED
; /* Number of bytes received. */
109 struct bucket_counter
*bucket_stats OVS_GUARDED
; /* Bucket statistics. */
113 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
114 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
115 void *aux
; /* Key supplied by ofproto's client. */
116 char *name
; /* Identifier for log messages. */
119 struct list ports
; /* Contains "struct ofport"s. */
120 enum port_vlan_mode vlan_mode
; /* VLAN mode */
121 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
122 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
123 * NULL if all VLANs are trunked. */
124 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
125 struct bond
*bond
; /* Nonnull iff more than one port. */
126 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
129 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
132 static void bundle_remove(struct ofport
*);
133 static void bundle_update(struct ofbundle
*);
134 static void bundle_destroy(struct ofbundle
*);
135 static void bundle_del_port(struct ofport_dpif
*);
136 static void bundle_run(struct ofbundle
*);
137 static void bundle_wait(struct ofbundle
*);
139 static void stp_run(struct ofproto_dpif
*ofproto
);
140 static void stp_wait(struct ofproto_dpif
*ofproto
);
141 static int set_stp_port(struct ofport
*,
142 const struct ofproto_port_stp_settings
*);
145 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
149 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
150 struct list bundle_node
; /* In struct ofbundle's "ports" list. */
151 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
152 struct bfd
*bfd
; /* BFD, if any. */
153 bool may_enable
; /* May be enabled in bonds. */
154 bool is_tunnel
; /* This port is a tunnel. */
155 bool is_layer3
; /* This is a layer 3 port. */
156 long long int carrier_seq
; /* Carrier status changes. */
157 struct ofport_dpif
*peer
; /* Peer if patch port. */
160 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
161 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
162 long long int stp_state_entered
;
164 /* Queue to DSCP mapping. */
165 struct ofproto_port_queue
*qdscp
;
168 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
170 * This is deprecated. It is only for compatibility with broken device
171 * drivers in old versions of Linux that do not properly support VLANs when
172 * VLAN devices are not used. When broken device drivers are no longer in
173 * widespread use, we will delete these interfaces. */
174 ofp_port_t realdev_ofp_port
;
178 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
180 * This is deprecated. It is only for compatibility with broken device drivers
181 * in old versions of Linux that do not properly support VLANs when VLAN
182 * devices are not used. When broken device drivers are no longer in
183 * widespread use, we will delete these interfaces. */
184 struct vlan_splinter
{
185 struct hmap_node realdev_vid_node
;
186 struct hmap_node vlandev_node
;
187 ofp_port_t realdev_ofp_port
;
188 ofp_port_t vlandev_ofp_port
;
192 static void vsp_remove(struct ofport_dpif
*);
193 static void vsp_add(struct ofport_dpif
*, ofp_port_t realdev_ofp_port
, int vid
);
195 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
198 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
201 static struct ofport_dpif
*
202 ofport_dpif_cast(const struct ofport
*ofport
)
204 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
207 static void port_run(struct ofport_dpif
*);
208 static int set_bfd(struct ofport
*, const struct smap
*);
209 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
210 static void ofport_update_peer(struct ofport_dpif
*);
212 struct dpif_completion
{
213 struct list list_node
;
214 struct ofoperation
*op
;
217 /* Reasons that we might need to revalidate every datapath flow, and
218 * corresponding coverage counters.
220 * A value of 0 means that there is no need to revalidate.
222 * It would be nice to have some cleaner way to integrate with coverage
223 * counters, but with only a few reasons I guess this is good enough for
225 enum revalidate_reason
{
226 REV_RECONFIGURE
= 1, /* Switch configuration changed. */
227 REV_STP
, /* Spanning tree protocol port status change. */
228 REV_BOND
, /* Bonding changed. */
229 REV_PORT_TOGGLED
, /* Port enabled or disabled by CFM, LACP, ...*/
230 REV_FLOW_TABLE
, /* Flow table changed. */
231 REV_MAC_LEARNING
, /* Mac learning changed. */
233 COVERAGE_DEFINE(rev_reconfigure
);
234 COVERAGE_DEFINE(rev_stp
);
235 COVERAGE_DEFINE(rev_bond
);
236 COVERAGE_DEFINE(rev_port_toggled
);
237 COVERAGE_DEFINE(rev_flow_table
);
238 COVERAGE_DEFINE(rev_mac_learning
);
240 /* All datapaths of a given type share a single dpif backer instance. */
247 struct ovs_rwlock odp_to_ofport_lock
;
248 struct hmap odp_to_ofport_map OVS_GUARDED
; /* Contains "struct ofport"s. */
250 struct simap tnl_backers
; /* Set of dpif ports backing tunnels. */
252 enum revalidate_reason need_revalidate
; /* Revalidate all flows. */
254 bool recv_set_enable
; /* Enables or disables receiving packets. */
256 struct recirc_id_pool
*rid_pool
; /* Recirculation ID pool. */
258 /* True if the datapath supports variable-length
259 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
260 * False if the datapath supports only 8-byte (or shorter) userdata. */
261 bool variable_length_userdata
;
263 /* Maximum number of MPLS label stack entries that the datapath supports
265 size_t max_mpls_depth
;
268 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
269 static struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
271 struct ofproto_dpif
{
272 struct hmap_node all_ofproto_dpifs_node
; /* In 'all_ofproto_dpifs'. */
274 struct dpif_backer
*backer
;
276 uint64_t dump_seq
; /* Last read of udpif_dump_seq(). */
278 /* Special OpenFlow rules. */
279 struct rule_dpif
*miss_rule
; /* Sends flow table misses to controller. */
280 struct rule_dpif
*no_packet_in_rule
; /* Drops flow table misses. */
281 struct rule_dpif
*drop_frags_rule
; /* Used in OFPC_FRAG_DROP mode. */
284 struct netflow
*netflow
;
285 struct dpif_sflow
*sflow
;
286 struct dpif_ipfix
*ipfix
;
287 struct hmap bundles
; /* Contains "struct ofbundle"s. */
288 struct mac_learning
*ml
;
289 bool has_bonded_bundles
;
291 struct mbridge
*mbridge
;
293 struct ovs_mutex stats_mutex
;
294 struct netdev_stats stats OVS_GUARDED
; /* To account packets generated and
295 * consumed in userspace. */
299 long long int stp_last_tick
;
301 /* VLAN splinters. */
302 struct ovs_mutex vsp_mutex
;
303 struct hmap realdev_vid_map OVS_GUARDED
; /* (realdev,vid) -> vlandev. */
304 struct hmap vlandev_map OVS_GUARDED
; /* vlandev -> (realdev,vid). */
307 struct sset ports
; /* Set of standard port names. */
308 struct sset ghost_ports
; /* Ports with no datapath port. */
309 struct sset port_poll_set
; /* Queued names for port_poll() reply. */
310 int port_poll_errno
; /* Last errno for port_poll() reply. */
311 uint64_t change_seq
; /* Connectivity status changes. */
314 struct guarded_list pins
; /* Contains "struct ofputil_packet_in"s. */
317 /* All existing ofproto_dpif instances, indexed by ->up.name. */
318 static struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
320 static void ofproto_dpif_unixctl_init(void);
322 static inline struct ofproto_dpif
*
323 ofproto_dpif_cast(const struct ofproto
*ofproto
)
325 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
326 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
330 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif
*ofproto
)
332 return ofproto
->backer
->max_mpls_depth
;
335 static struct ofport_dpif
*get_ofp_port(const struct ofproto_dpif
*ofproto
,
336 ofp_port_t ofp_port
);
337 static void ofproto_trace(struct ofproto_dpif
*, const struct flow
*,
338 const struct ofpbuf
*packet
,
339 const struct ofpact
[], size_t ofpacts_len
,
342 /* Global variables. */
343 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
345 /* Initial mappings of port to bridge mappings. */
346 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
348 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
351 ofproto_dpif_flow_mod(struct ofproto_dpif
*ofproto
,
352 struct ofputil_flow_mod
*fm
)
354 ofproto_flow_mod(&ofproto
->up
, fm
);
357 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
358 * Takes ownership of 'pin' and pin->packet. */
360 ofproto_dpif_send_packet_in(struct ofproto_dpif
*ofproto
,
361 struct ofproto_packet_in
*pin
)
363 if (!guarded_list_push_back(&ofproto
->pins
, &pin
->list_node
, 1024)) {
364 COVERAGE_INC(packet_in_overflow
);
365 free(CONST_CAST(void *, pin
->up
.packet
));
370 /* Factory functions. */
373 init(const struct shash
*iface_hints
)
375 struct shash_node
*node
;
377 /* Make a local copy, since we don't own 'iface_hints' elements. */
378 SHASH_FOR_EACH(node
, iface_hints
) {
379 const struct iface_hint
*orig_hint
= node
->data
;
380 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
382 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
383 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
384 new_hint
->ofp_port
= orig_hint
->ofp_port
;
386 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
391 enumerate_types(struct sset
*types
)
393 dp_enumerate_types(types
);
397 enumerate_names(const char *type
, struct sset
*names
)
399 struct ofproto_dpif
*ofproto
;
402 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
403 if (strcmp(type
, ofproto
->up
.type
)) {
406 sset_add(names
, ofproto
->up
.name
);
413 del(const char *type
, const char *name
)
418 error
= dpif_open(name
, type
, &dpif
);
420 error
= dpif_delete(dpif
);
427 port_open_type(const char *datapath_type
, const char *port_type
)
429 return dpif_port_open_type(datapath_type
, port_type
);
432 /* Type functions. */
434 static void process_dpif_port_changes(struct dpif_backer
*);
435 static void process_dpif_all_ports_changed(struct dpif_backer
*);
436 static void process_dpif_port_change(struct dpif_backer
*,
437 const char *devname
);
438 static void process_dpif_port_error(struct dpif_backer
*, int error
);
440 static struct ofproto_dpif
*
441 lookup_ofproto_dpif_by_port_name(const char *name
)
443 struct ofproto_dpif
*ofproto
;
445 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
446 if (sset_contains(&ofproto
->ports
, name
)) {
455 type_run(const char *type
)
457 struct dpif_backer
*backer
;
459 backer
= shash_find_data(&all_dpif_backers
, type
);
461 /* This is not necessarily a problem, since backers are only
462 * created on demand. */
466 dpif_run(backer
->dpif
);
468 /* If vswitchd started with other_config:flow_restore_wait set as "true",
469 * and the configuration has now changed to "false", enable receiving
470 * packets from the datapath. */
471 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
474 backer
->recv_set_enable
= true;
476 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
478 VLOG_ERR("Failed to enable receiving packets in dpif.");
481 dpif_flow_flush(backer
->dpif
);
482 backer
->need_revalidate
= REV_RECONFIGURE
;
485 if (backer
->recv_set_enable
) {
486 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
489 if (backer
->need_revalidate
) {
490 struct ofproto_dpif
*ofproto
;
491 struct simap_node
*node
;
492 struct simap tmp_backers
;
494 /* Handle tunnel garbage collection. */
495 simap_init(&tmp_backers
);
496 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
498 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
499 struct ofport_dpif
*iter
;
501 if (backer
!= ofproto
->backer
) {
505 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
506 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
509 if (!iter
->is_tunnel
) {
513 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
514 namebuf
, sizeof namebuf
);
515 node
= simap_find(&tmp_backers
, dp_port
);
517 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
518 simap_delete(&tmp_backers
, node
);
519 node
= simap_find(&backer
->tnl_backers
, dp_port
);
521 node
= simap_find(&backer
->tnl_backers
, dp_port
);
523 odp_port_t odp_port
= ODPP_NONE
;
525 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
527 simap_put(&backer
->tnl_backers
, dp_port
,
528 odp_to_u32(odp_port
));
529 node
= simap_find(&backer
->tnl_backers
, dp_port
);
534 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
535 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
537 backer
->need_revalidate
= REV_RECONFIGURE
;
542 SIMAP_FOR_EACH (node
, &tmp_backers
) {
543 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
545 simap_destroy(&tmp_backers
);
547 switch (backer
->need_revalidate
) {
548 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
549 case REV_STP
: COVERAGE_INC(rev_stp
); break;
550 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
551 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
552 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
553 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
555 backer
->need_revalidate
= 0;
557 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
558 struct ofport_dpif
*ofport
;
559 struct ofbundle
*bundle
;
561 if (ofproto
->backer
!= backer
) {
565 ovs_rwlock_wrlock(&xlate_rwlock
);
566 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
567 ofproto
->backer
->dpif
, ofproto
->miss_rule
,
568 ofproto
->no_packet_in_rule
, ofproto
->ml
,
569 ofproto
->stp
, ofproto
->mbridge
,
570 ofproto
->sflow
, ofproto
->ipfix
,
571 ofproto
->netflow
, ofproto
->up
.frag_handling
,
572 ofproto
->up
.forward_bpdu
,
573 connmgr_has_in_band(ofproto
->up
.connmgr
),
574 ofproto
->backer
->variable_length_userdata
,
575 ofproto
->backer
->max_mpls_depth
);
577 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
578 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
579 bundle
->vlan_mode
, bundle
->vlan
,
580 bundle
->trunks
, bundle
->use_priority_tags
,
581 bundle
->bond
, bundle
->lacp
,
585 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
586 int stp_port
= ofport
->stp_port
587 ? stp_port_no(ofport
->stp_port
)
589 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
590 ofport
->up
.ofp_port
, ofport
->odp_port
,
591 ofport
->up
.netdev
, ofport
->cfm
,
592 ofport
->bfd
, ofport
->peer
, stp_port
,
593 ofport
->qdscp
, ofport
->n_qdscp
,
594 ofport
->up
.pp
.config
, ofport
->up
.pp
.state
,
595 ofport
->is_tunnel
, ofport
->may_enable
);
597 ovs_rwlock_unlock(&xlate_rwlock
);
600 udpif_revalidate(backer
->udpif
);
603 process_dpif_port_changes(backer
);
608 /* Check for and handle port changes in 'backer''s dpif. */
610 process_dpif_port_changes(struct dpif_backer
*backer
)
616 error
= dpif_port_poll(backer
->dpif
, &devname
);
622 process_dpif_all_ports_changed(backer
);
626 process_dpif_port_change(backer
, devname
);
631 process_dpif_port_error(backer
, error
);
638 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
640 struct ofproto_dpif
*ofproto
;
641 struct dpif_port dpif_port
;
642 struct dpif_port_dump dump
;
643 struct sset devnames
;
646 sset_init(&devnames
);
647 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
648 if (ofproto
->backer
== backer
) {
649 struct ofport
*ofport
;
651 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
652 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
656 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
657 sset_add(&devnames
, dpif_port
.name
);
660 SSET_FOR_EACH (devname
, &devnames
) {
661 process_dpif_port_change(backer
, devname
);
663 sset_destroy(&devnames
);
667 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
669 struct ofproto_dpif
*ofproto
;
670 struct dpif_port port
;
672 /* Don't report on the datapath's device. */
673 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
677 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
678 &all_ofproto_dpifs
) {
679 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
684 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
685 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
686 /* The port was removed. If we know the datapath,
687 * report it through poll_set(). If we don't, it may be
688 * notifying us of a removal we initiated, so ignore it.
689 * If there's a pending ENOBUFS, let it stand, since
690 * everything will be reevaluated. */
691 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
692 sset_add(&ofproto
->port_poll_set
, devname
);
693 ofproto
->port_poll_errno
= 0;
695 } else if (!ofproto
) {
696 /* The port was added, but we don't know with which
697 * ofproto we should associate it. Delete it. */
698 dpif_port_del(backer
->dpif
, port
.port_no
);
700 struct ofport_dpif
*ofport
;
702 ofport
= ofport_dpif_cast(shash_find_data(
703 &ofproto
->up
.port_by_name
, devname
));
705 && ofport
->odp_port
!= port
.port_no
706 && !odp_port_to_ofport(backer
, port
.port_no
))
708 /* 'ofport''s datapath port number has changed from
709 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
710 * structures to match. */
711 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
712 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
713 ofport
->odp_port
= port
.port_no
;
714 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
715 hash_odp_port(port
.port_no
));
716 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
717 backer
->need_revalidate
= REV_RECONFIGURE
;
720 dpif_port_destroy(&port
);
723 /* Propagate 'error' to all ofprotos based on 'backer'. */
725 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
727 struct ofproto_dpif
*ofproto
;
729 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
730 if (ofproto
->backer
== backer
) {
731 sset_clear(&ofproto
->port_poll_set
);
732 ofproto
->port_poll_errno
= error
;
738 type_wait(const char *type
)
740 struct dpif_backer
*backer
;
742 backer
= shash_find_data(&all_dpif_backers
, type
);
744 /* This is not necessarily a problem, since backers are only
745 * created on demand. */
749 dpif_wait(backer
->dpif
);
752 /* Basic life-cycle. */
754 static int add_internal_flows(struct ofproto_dpif
*);
756 static struct ofproto
*
759 struct ofproto_dpif
*ofproto
= xmalloc(sizeof *ofproto
);
764 dealloc(struct ofproto
*ofproto_
)
766 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
771 close_dpif_backer(struct dpif_backer
*backer
)
773 ovs_assert(backer
->refcount
> 0);
775 if (--backer
->refcount
) {
779 udpif_destroy(backer
->udpif
);
781 simap_destroy(&backer
->tnl_backers
);
782 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
783 hmap_destroy(&backer
->odp_to_ofport_map
);
784 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
785 recirc_id_pool_destroy(backer
->rid_pool
);
787 dpif_close(backer
->dpif
);
791 /* Datapath port slated for removal from datapath. */
793 struct list list_node
;
797 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
798 static size_t check_max_mpls_depth(struct dpif_backer
*backer
);
801 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
803 struct dpif_backer
*backer
;
804 struct dpif_port_dump port_dump
;
805 struct dpif_port port
;
806 struct shash_node
*node
;
807 struct list garbage_list
;
808 struct odp_garbage
*garbage
, *next
;
815 backer
= shash_find_data(&all_dpif_backers
, type
);
822 backer_name
= xasprintf("ovs-%s", type
);
824 /* Remove any existing datapaths, since we assume we're the only
825 * userspace controlling the datapath. */
827 dp_enumerate_names(type
, &names
);
828 SSET_FOR_EACH(name
, &names
) {
829 struct dpif
*old_dpif
;
831 /* Don't remove our backer if it exists. */
832 if (!strcmp(name
, backer_name
)) {
836 if (dpif_open(name
, type
, &old_dpif
)) {
837 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
839 dpif_delete(old_dpif
);
840 dpif_close(old_dpif
);
843 sset_destroy(&names
);
845 backer
= xmalloc(sizeof *backer
);
847 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
850 VLOG_ERR("failed to open datapath of type %s: %s", type
,
851 ovs_strerror(error
));
855 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
857 backer
->type
= xstrdup(type
);
858 backer
->refcount
= 1;
859 hmap_init(&backer
->odp_to_ofport_map
);
860 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
861 backer
->need_revalidate
= 0;
862 simap_init(&backer
->tnl_backers
);
863 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
866 if (backer
->recv_set_enable
) {
867 dpif_flow_flush(backer
->dpif
);
870 /* Loop through the ports already on the datapath and remove any
871 * that we don't need anymore. */
872 list_init(&garbage_list
);
873 dpif_port_dump_start(&port_dump
, backer
->dpif
);
874 while (dpif_port_dump_next(&port_dump
, &port
)) {
875 node
= shash_find(&init_ofp_ports
, port
.name
);
876 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
877 garbage
= xmalloc(sizeof *garbage
);
878 garbage
->odp_port
= port
.port_no
;
879 list_push_front(&garbage_list
, &garbage
->list_node
);
882 dpif_port_dump_done(&port_dump
);
884 LIST_FOR_EACH_SAFE (garbage
, next
, list_node
, &garbage_list
) {
885 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
886 list_remove(&garbage
->list_node
);
890 shash_add(&all_dpif_backers
, type
, backer
);
892 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
894 VLOG_ERR("failed to listen on datapath of type %s: %s",
895 type
, ovs_strerror(error
));
896 close_dpif_backer(backer
);
899 backer
->variable_length_userdata
= check_variable_length_userdata(backer
);
900 backer
->max_mpls_depth
= check_max_mpls_depth(backer
);
901 backer
->rid_pool
= recirc_id_pool_create();
903 if (backer
->recv_set_enable
) {
904 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
910 /* Tests whether 'backer''s datapath supports variable-length
911 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
912 * to disable some features on older datapaths that don't support this
915 * Returns false if 'backer' definitely does not support variable-length
916 * userdata, true if it seems to support them or if at least the error we get
919 check_variable_length_userdata(struct dpif_backer
*backer
)
921 struct eth_header
*eth
;
922 struct ofpbuf actions
;
923 struct dpif_execute execute
;
924 struct ofpbuf packet
;
928 /* Compose a userspace action that will cause an ERANGE error on older
929 * datapaths that don't support variable-length userdata.
931 * We really test for using userdata longer than 8 bytes, but older
932 * datapaths accepted these, silently truncating the userdata to 8 bytes.
933 * The same older datapaths rejected userdata shorter than 8 bytes, so we
934 * test for that instead as a proxy for longer userdata support. */
935 ofpbuf_init(&actions
, 64);
936 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
937 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
938 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
939 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
940 nl_msg_end_nested(&actions
, start
);
942 /* Compose a dummy ethernet packet. */
943 ofpbuf_init(&packet
, ETH_HEADER_LEN
);
944 eth
= ofpbuf_put_zeros(&packet
, ETH_HEADER_LEN
);
945 eth
->eth_type
= htons(0x1234);
947 /* Execute the actions. On older datapaths this fails with ERANGE, on
948 * newer datapaths it succeeds. */
949 execute
.actions
= ofpbuf_data(&actions
);
950 execute
.actions_len
= ofpbuf_size(&actions
);
951 execute
.packet
= &packet
;
952 execute
.md
= PKT_METADATA_INITIALIZER(0);
953 execute
.needs_help
= false;
955 error
= dpif_execute(backer
->dpif
, &execute
);
957 ofpbuf_uninit(&packet
);
958 ofpbuf_uninit(&actions
);
962 /* Variable-length userdata is supported.
964 * Purge received packets to avoid processing the nonsense packet we
965 * sent to userspace, then report success. */
966 dpif_recv_purge(backer
->dpif
);
970 /* Variable-length userdata is not supported. */
971 VLOG_WARN("%s: datapath does not support variable-length userdata "
972 "feature (needs Linux 3.10+ or kernel module from OVS "
973 "1..11+). The NXAST_SAMPLE action will be ignored.",
974 dpif_name(backer
->dpif
));
978 /* Something odd happened. We're not sure whether variable-length
979 * userdata is supported. Default to "yes". */
980 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
981 dpif_name(backer
->dpif
), ovs_strerror(error
));
986 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
988 * Returns the number of elements in a struct flow's mpls_lse field
989 * if the datapath supports at least that many entries in an
991 * Otherwise returns the number of MPLS push actions supported by
994 check_max_mpls_depth(struct dpif_backer
*backer
)
999 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1000 struct odputil_keybuf keybuf
;
1004 memset(&flow
, 0, sizeof flow
);
1005 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1006 flow_set_mpls_bos(&flow
, n
, 1);
1008 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1009 odp_flow_key_from_flow(&key
, &flow
, 0);
1011 error
= dpif_flow_put(backer
->dpif
, DPIF_FP_CREATE
| DPIF_FP_MODIFY
,
1012 ofpbuf_data(&key
), ofpbuf_size(&key
), NULL
, 0, NULL
, 0, NULL
);
1013 if (error
&& error
!= EEXIST
) {
1014 if (error
!= EINVAL
) {
1015 VLOG_WARN("%s: MPLS stack length feature probe failed (%s)",
1016 dpif_name(backer
->dpif
), ovs_strerror(error
));
1021 error
= dpif_flow_del(backer
->dpif
, ofpbuf_data(&key
), ofpbuf_size(&key
), NULL
);
1023 VLOG_WARN("%s: failed to delete MPLS feature probe flow",
1024 dpif_name(backer
->dpif
));
1028 VLOG_INFO("%s: MPLS label stack length probed as %d",
1029 dpif_name(backer
->dpif
), n
);
1034 construct(struct ofproto
*ofproto_
)
1036 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1037 struct shash_node
*node
, *next
;
1040 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1045 ofproto
->netflow
= NULL
;
1046 ofproto
->sflow
= NULL
;
1047 ofproto
->ipfix
= NULL
;
1048 ofproto
->stp
= NULL
;
1049 ofproto
->dump_seq
= 0;
1050 hmap_init(&ofproto
->bundles
);
1051 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1052 ofproto
->mbridge
= mbridge_create();
1053 ofproto
->has_bonded_bundles
= false;
1054 ofproto
->lacp_enabled
= false;
1055 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1056 ovs_mutex_init(&ofproto
->vsp_mutex
);
1058 guarded_list_init(&ofproto
->pins
);
1060 ofproto_dpif_unixctl_init();
1062 hmap_init(&ofproto
->vlandev_map
);
1063 hmap_init(&ofproto
->realdev_vid_map
);
1065 sset_init(&ofproto
->ports
);
1066 sset_init(&ofproto
->ghost_ports
);
1067 sset_init(&ofproto
->port_poll_set
);
1068 ofproto
->port_poll_errno
= 0;
1069 ofproto
->change_seq
= 0;
1071 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1072 struct iface_hint
*iface_hint
= node
->data
;
1074 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1075 /* Check if the datapath already has this port. */
1076 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1077 sset_add(&ofproto
->ports
, node
->name
);
1080 free(iface_hint
->br_name
);
1081 free(iface_hint
->br_type
);
1083 shash_delete(&init_ofp_ports
, node
);
1087 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1088 hash_string(ofproto
->up
.name
, 0));
1089 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1091 ofproto_init_tables(ofproto_
, N_TABLES
);
1092 error
= add_internal_flows(ofproto
);
1093 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1099 add_internal_flow(struct ofproto_dpif
*ofproto
, int id
,
1100 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1102 struct ofputil_flow_mod fm
;
1103 struct classifier
*cls
;
1106 match_init_catchall(&fm
.match
);
1108 match_set_reg(&fm
.match
, 0, id
);
1109 fm
.new_cookie
= htonll(0);
1110 fm
.cookie
= htonll(0);
1111 fm
.cookie_mask
= htonll(0);
1112 fm
.modify_cookie
= false;
1113 fm
.table_id
= TBL_INTERNAL
;
1114 fm
.command
= OFPFC_ADD
;
1115 fm
.idle_timeout
= 0;
1116 fm
.hard_timeout
= 0;
1120 fm
.ofpacts
= ofpbuf_data(ofpacts
);
1121 fm
.ofpacts_len
= ofpbuf_size(ofpacts
);
1123 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
1125 VLOG_ERR_RL(&rl
, "failed to add internal flow %d (%s)",
1126 id
, ofperr_to_string(error
));
1130 cls
= &ofproto
->up
.tables
[TBL_INTERNAL
].cls
;
1131 fat_rwlock_rdlock(&cls
->rwlock
);
1132 *rulep
= rule_dpif_cast(rule_from_cls_rule(
1133 classifier_lookup(cls
, &fm
.match
.flow
, NULL
)));
1134 ovs_assert(*rulep
!= NULL
);
1135 fat_rwlock_unlock(&cls
->rwlock
);
1141 add_internal_flows(struct ofproto_dpif
*ofproto
)
1143 struct ofpact_controller
*controller
;
1144 uint64_t ofpacts_stub
[128 / 8];
1145 struct ofpbuf ofpacts
;
1149 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1152 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1153 controller
->max_len
= UINT16_MAX
;
1154 controller
->controller_id
= 0;
1155 controller
->reason
= OFPR_NO_MATCH
;
1156 ofpact_pad(&ofpacts
);
1158 error
= add_internal_flow(ofproto
, id
++, &ofpacts
, &ofproto
->miss_rule
);
1163 ofpbuf_clear(&ofpacts
);
1164 error
= add_internal_flow(ofproto
, id
++, &ofpacts
,
1165 &ofproto
->no_packet_in_rule
);
1170 error
= add_internal_flow(ofproto
, id
++, &ofpacts
,
1171 &ofproto
->drop_frags_rule
);
1176 destruct(struct ofproto
*ofproto_
)
1178 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1179 struct rule_dpif
*rule
, *next_rule
;
1180 struct ofproto_packet_in
*pin
, *next_pin
;
1181 struct oftable
*table
;
1184 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1185 ovs_rwlock_wrlock(&xlate_rwlock
);
1186 xlate_remove_ofproto(ofproto
);
1187 ovs_rwlock_unlock(&xlate_rwlock
);
1189 /* Ensure that the upcall processing threads have no remaining references
1190 * to the ofproto or anything in it. */
1191 udpif_synchronize(ofproto
->backer
->udpif
);
1193 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1195 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1196 struct cls_cursor cursor
;
1198 fat_rwlock_rdlock(&table
->cls
.rwlock
);
1199 cls_cursor_init(&cursor
, &table
->cls
, NULL
);
1200 fat_rwlock_unlock(&table
->cls
.rwlock
);
1201 CLS_CURSOR_FOR_EACH_SAFE (rule
, next_rule
, up
.cr
, &cursor
) {
1202 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1206 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1207 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1208 list_remove(&pin
->list_node
);
1209 free(CONST_CAST(void *, pin
->up
.packet
));
1212 guarded_list_destroy(&ofproto
->pins
);
1214 mbridge_unref(ofproto
->mbridge
);
1216 netflow_unref(ofproto
->netflow
);
1217 dpif_sflow_unref(ofproto
->sflow
);
1218 hmap_destroy(&ofproto
->bundles
);
1219 mac_learning_unref(ofproto
->ml
);
1221 hmap_destroy(&ofproto
->vlandev_map
);
1222 hmap_destroy(&ofproto
->realdev_vid_map
);
1224 sset_destroy(&ofproto
->ports
);
1225 sset_destroy(&ofproto
->ghost_ports
);
1226 sset_destroy(&ofproto
->port_poll_set
);
1228 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1229 ovs_mutex_destroy(&ofproto
->vsp_mutex
);
1231 close_dpif_backer(ofproto
->backer
);
1235 run(struct ofproto
*ofproto_
)
1237 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1238 uint64_t new_seq
, new_dump_seq
;
1240 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1241 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1242 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1243 mac_learning_flush(ofproto
->ml
);
1244 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1247 /* Do not perform any periodic activity required by 'ofproto' while
1248 * waiting for flow restore to complete. */
1249 if (!ofproto_get_flow_restore_wait()) {
1250 struct ofproto_packet_in
*pin
, *next_pin
;
1253 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1254 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1255 connmgr_send_packet_in(ofproto
->up
.connmgr
, pin
);
1256 list_remove(&pin
->list_node
);
1257 free(CONST_CAST(void *, pin
->up
.packet
));
1262 if (ofproto
->netflow
) {
1263 netflow_run(ofproto
->netflow
);
1265 if (ofproto
->sflow
) {
1266 dpif_sflow_run(ofproto
->sflow
);
1268 if (ofproto
->ipfix
) {
1269 dpif_ipfix_run(ofproto
->ipfix
);
1272 new_seq
= seq_read(connectivity_seq_get());
1273 if (ofproto
->change_seq
!= new_seq
) {
1274 struct ofport_dpif
*ofport
;
1276 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1280 ofproto
->change_seq
= new_seq
;
1282 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1283 struct ofbundle
*bundle
;
1285 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1291 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1292 if (mac_learning_run(ofproto
->ml
)) {
1293 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1295 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1297 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1298 if (ofproto
->dump_seq
!= new_dump_seq
) {
1299 struct rule
*rule
, *next_rule
;
1301 /* We know stats are relatively fresh, so now is a good time to do some
1303 ofproto
->dump_seq
= new_dump_seq
;
1305 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1307 ovs_mutex_lock(&ofproto_mutex
);
1308 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1309 &ofproto
->up
.expirable
) {
1310 rule_expire(rule_dpif_cast(rule
));
1312 ovs_mutex_unlock(&ofproto_mutex
);
1314 /* All outstanding data in existing flows has been accounted, so it's a
1315 * good time to do bond rebalancing. */
1316 if (ofproto
->has_bonded_bundles
) {
1317 struct ofbundle
*bundle
;
1319 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1321 bond_rebalance(bundle
->bond
);
1331 wait(struct ofproto
*ofproto_
)
1333 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1335 if (ofproto_get_flow_restore_wait()) {
1339 if (ofproto
->sflow
) {
1340 dpif_sflow_wait(ofproto
->sflow
);
1342 if (ofproto
->ipfix
) {
1343 dpif_ipfix_wait(ofproto
->ipfix
);
1345 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1346 struct ofbundle
*bundle
;
1348 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1349 bundle_wait(bundle
);
1352 if (ofproto
->netflow
) {
1353 netflow_wait(ofproto
->netflow
);
1355 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1356 mac_learning_wait(ofproto
->ml
);
1357 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1359 if (ofproto
->backer
->need_revalidate
) {
1360 /* Shouldn't happen, but if it does just go around again. */
1361 VLOG_DBG_RL(&rl
, "need revalidate in ofproto_wait_cb()");
1362 poll_immediate_wake();
1365 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1369 type_get_memory_usage(const char *type
, struct simap
*usage
)
1371 struct dpif_backer
*backer
;
1373 backer
= shash_find_data(&all_dpif_backers
, type
);
1375 udpif_get_memory_usage(backer
->udpif
, usage
);
1380 flush(struct ofproto
*ofproto_
)
1382 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1383 struct dpif_backer
*backer
= ofproto
->backer
;
1386 udpif_flush(backer
->udpif
);
1391 get_features(struct ofproto
*ofproto_ OVS_UNUSED
,
1392 bool *arp_match_ip
, enum ofputil_action_bitmap
*actions
)
1394 *arp_match_ip
= true;
1395 *actions
= (OFPUTIL_A_OUTPUT
|
1396 OFPUTIL_A_SET_VLAN_VID
|
1397 OFPUTIL_A_SET_VLAN_PCP
|
1398 OFPUTIL_A_STRIP_VLAN
|
1399 OFPUTIL_A_SET_DL_SRC
|
1400 OFPUTIL_A_SET_DL_DST
|
1401 OFPUTIL_A_SET_NW_SRC
|
1402 OFPUTIL_A_SET_NW_DST
|
1403 OFPUTIL_A_SET_NW_TOS
|
1404 OFPUTIL_A_SET_TP_SRC
|
1405 OFPUTIL_A_SET_TP_DST
|
1410 get_tables(struct ofproto
*ofproto_
, struct ofp12_table_stats
*ots
)
1412 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1413 struct dpif_dp_stats s
;
1414 uint64_t n_miss
, n_no_pkt_in
, n_bytes
, n_dropped_frags
;
1418 strcpy(ots
->name
, "classifier");
1420 dpif_get_dp_stats(ofproto
->backer
->dpif
, &s
);
1421 rule_get_stats(&ofproto
->miss_rule
->up
, &n_miss
, &n_bytes
, &used
);
1422 rule_get_stats(&ofproto
->no_packet_in_rule
->up
, &n_no_pkt_in
, &n_bytes
,
1424 rule_get_stats(&ofproto
->drop_frags_rule
->up
, &n_dropped_frags
, &n_bytes
,
1426 n_lookup
= s
.n_hit
+ s
.n_missed
- n_dropped_frags
;
1427 ots
->lookup_count
= htonll(n_lookup
);
1428 ots
->matched_count
= htonll(n_lookup
- n_miss
- n_no_pkt_in
);
1431 static struct ofport
*
1434 struct ofport_dpif
*port
= xmalloc(sizeof *port
);
1439 port_dealloc(struct ofport
*port_
)
1441 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1446 port_construct(struct ofport
*port_
)
1448 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1449 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1450 const struct netdev
*netdev
= port
->up
.netdev
;
1451 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1452 struct dpif_port dpif_port
;
1455 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1456 port
->bundle
= NULL
;
1459 port
->may_enable
= true;
1460 port
->stp_port
= NULL
;
1461 port
->stp_state
= STP_DISABLED
;
1462 port
->is_tunnel
= false;
1466 port
->realdev_ofp_port
= 0;
1467 port
->vlandev_vid
= 0;
1468 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1469 port
->is_layer3
= netdev_vport_is_layer3(netdev
);
1471 if (netdev_vport_is_patch(netdev
)) {
1472 /* By bailing out here, we don't submit the port to the sFlow module
1473 * to be considered for counter polling export. This is correct
1474 * because the patch port represents an interface that sFlow considers
1475 * to be "internal" to the switch as a whole, and therefore not an
1476 * candidate for counter polling. */
1477 port
->odp_port
= ODPP_NONE
;
1478 ofport_update_peer(port
);
1482 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
1483 netdev_vport_get_dpif_port(netdev
, namebuf
,
1490 port
->odp_port
= dpif_port
.port_no
;
1492 if (netdev_get_tunnel_config(netdev
)) {
1493 tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
);
1494 port
->is_tunnel
= true;
1496 /* Sanity-check that a mapping doesn't already exist. This
1497 * shouldn't happen for non-tunnel ports. */
1498 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1499 VLOG_ERR("port %s already has an OpenFlow port number",
1501 dpif_port_destroy(&dpif_port
);
1505 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1506 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1507 hash_odp_port(port
->odp_port
));
1508 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1510 dpif_port_destroy(&dpif_port
);
1512 if (ofproto
->sflow
) {
1513 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1520 port_destruct(struct ofport
*port_
)
1522 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1523 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1524 const char *devname
= netdev_get_name(port
->up
.netdev
);
1525 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1526 const char *dp_port_name
;
1528 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1529 ovs_rwlock_wrlock(&xlate_rwlock
);
1530 xlate_ofport_remove(port
);
1531 ovs_rwlock_unlock(&xlate_rwlock
);
1533 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1535 if (dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1536 /* The underlying device is still there, so delete it. This
1537 * happens when the ofproto is being destroyed, since the caller
1538 * assumes that removal of attached ports will happen as part of
1540 if (!port
->is_tunnel
) {
1541 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1546 port
->peer
->peer
= NULL
;
1550 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1551 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1552 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1553 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1557 sset_find_and_delete(&ofproto
->ports
, devname
);
1558 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1559 bundle_remove(port_
);
1560 set_cfm(port_
, NULL
);
1561 set_bfd(port_
, NULL
);
1562 if (port
->stp_port
) {
1563 stp_port_disable(port
->stp_port
);
1565 if (ofproto
->sflow
) {
1566 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1573 port_modified(struct ofport
*port_
)
1575 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1577 if (port
->bundle
&& port
->bundle
->bond
) {
1578 bond_slave_set_netdev(port
->bundle
->bond
, port
, port
->up
.netdev
);
1582 cfm_set_netdev(port
->cfm
, port
->up
.netdev
);
1586 bfd_set_netdev(port
->bfd
, port
->up
.netdev
);
1589 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1590 port
->up
.pp
.hw_addr
);
1592 if (port
->is_tunnel
&& tnl_port_reconfigure(port
, port
->up
.netdev
,
1594 ofproto_dpif_cast(port
->up
.ofproto
)->backer
->need_revalidate
=
1598 ofport_update_peer(port
);
1602 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1604 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1605 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1606 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1608 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
1609 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
1610 OFPUTIL_PC_NO_PACKET_IN
)) {
1611 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1613 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
1614 bundle_update(port
->bundle
);
1620 set_sflow(struct ofproto
*ofproto_
,
1621 const struct ofproto_sflow_options
*sflow_options
)
1623 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1624 struct dpif_sflow
*ds
= ofproto
->sflow
;
1626 if (sflow_options
) {
1628 struct ofport_dpif
*ofport
;
1630 ds
= ofproto
->sflow
= dpif_sflow_create();
1631 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1632 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
1634 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1636 dpif_sflow_set_options(ds
, sflow_options
);
1639 dpif_sflow_unref(ds
);
1640 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1641 ofproto
->sflow
= NULL
;
1649 struct ofproto
*ofproto_
,
1650 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
1651 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
1652 size_t n_flow_exporters_options
)
1654 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1655 struct dpif_ipfix
*di
= ofproto
->ipfix
;
1656 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
1658 if (has_options
&& !di
) {
1659 di
= ofproto
->ipfix
= dpif_ipfix_create();
1663 /* Call set_options in any case to cleanly flush the flow
1664 * caches in the last exporters that are to be destroyed. */
1665 dpif_ipfix_set_options(
1666 di
, bridge_exporter_options
, flow_exporters_options
,
1667 n_flow_exporters_options
);
1670 dpif_ipfix_unref(di
);
1671 ofproto
->ipfix
= NULL
;
1679 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
1681 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1686 struct ofproto_dpif
*ofproto
;
1688 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1689 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1690 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
1693 if (cfm_configure(ofport
->cfm
, s
)) {
1700 cfm_unref(ofport
->cfm
);
1703 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1704 ofport
->up
.pp
.hw_addr
);
1709 get_cfm_status(const struct ofport
*ofport_
,
1710 struct ofproto_cfm_status
*status
)
1712 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1715 status
->faults
= cfm_get_fault(ofport
->cfm
);
1716 status
->flap_count
= cfm_get_flap_count(ofport
->cfm
);
1717 status
->remote_opstate
= cfm_get_opup(ofport
->cfm
);
1718 status
->health
= cfm_get_health(ofport
->cfm
);
1719 cfm_get_remote_mpids(ofport
->cfm
, &status
->rmps
, &status
->n_rmps
);
1727 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
1729 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
1730 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1734 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
1735 cfg
, ofport
->up
.netdev
);
1736 if (ofport
->bfd
!= old
) {
1737 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1739 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1740 ofport
->up
.pp
.hw_addr
);
1745 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
1747 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1750 bfd_get_status(ofport
->bfd
, smap
);
1757 /* Spanning Tree. */
1760 send_bpdu_cb(struct ofpbuf
*pkt
, int port_num
, void *ofproto_
)
1762 struct ofproto_dpif
*ofproto
= ofproto_
;
1763 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
1764 struct ofport_dpif
*ofport
;
1766 ofport
= stp_port_get_aux(sp
);
1768 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
1769 ofproto
->up
.name
, port_num
);
1771 struct eth_header
*eth
= pkt
->l2
;
1773 netdev_get_etheraddr(ofport
->up
.netdev
, eth
->eth_src
);
1774 if (eth_addr_is_zero(eth
->eth_src
)) {
1775 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
1776 "with unknown MAC", ofproto
->up
.name
, port_num
);
1778 ofproto_dpif_send_packet(ofport
, pkt
);
1784 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
1786 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
1788 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1790 /* Only revalidate flows if the configuration changed. */
1791 if (!s
!= !ofproto
->stp
) {
1792 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1796 if (!ofproto
->stp
) {
1797 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
1798 send_bpdu_cb
, ofproto
);
1799 ofproto
->stp_last_tick
= time_msec();
1802 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
1803 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
1804 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
1805 stp_set_max_age(ofproto
->stp
, s
->max_age
);
1806 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
1808 struct ofport
*ofport
;
1810 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
1811 set_stp_port(ofport
, NULL
);
1814 stp_unref(ofproto
->stp
);
1815 ofproto
->stp
= NULL
;
1822 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
1824 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1828 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
1829 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
1830 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
1839 update_stp_port_state(struct ofport_dpif
*ofport
)
1841 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1842 enum stp_state state
;
1844 /* Figure out new state. */
1845 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
1849 if (ofport
->stp_state
!= state
) {
1850 enum ofputil_port_state of_state
;
1853 VLOG_DBG_RL(&rl
, "port %s: STP state changed from %s to %s",
1854 netdev_get_name(ofport
->up
.netdev
),
1855 stp_state_name(ofport
->stp_state
),
1856 stp_state_name(state
));
1857 if (stp_learn_in_state(ofport
->stp_state
)
1858 != stp_learn_in_state(state
)) {
1859 /* xxx Learning action flows should also be flushed. */
1860 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1861 mac_learning_flush(ofproto
->ml
);
1862 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1864 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
1865 != stp_forward_in_state(state
);
1867 ofproto
->backer
->need_revalidate
= REV_STP
;
1868 ofport
->stp_state
= state
;
1869 ofport
->stp_state_entered
= time_msec();
1871 if (fwd_change
&& ofport
->bundle
) {
1872 bundle_update(ofport
->bundle
);
1875 /* Update the STP state bits in the OpenFlow port description. */
1876 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
1877 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
1878 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
1879 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
1880 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
1882 ofproto_port_set_state(&ofport
->up
, of_state
);
1886 /* Configures STP on 'ofport_' using the settings defined in 's'. The
1887 * caller is responsible for assigning STP port numbers and ensuring
1888 * there are no duplicates. */
1890 set_stp_port(struct ofport
*ofport_
,
1891 const struct ofproto_port_stp_settings
*s
)
1893 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1894 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1895 struct stp_port
*sp
= ofport
->stp_port
;
1897 if (!s
|| !s
->enable
) {
1899 ofport
->stp_port
= NULL
;
1900 stp_port_disable(sp
);
1901 update_stp_port_state(ofport
);
1904 } else if (sp
&& stp_port_no(sp
) != s
->port_num
1905 && ofport
== stp_port_get_aux(sp
)) {
1906 /* The port-id changed, so disable the old one if it's not
1907 * already in use by another port. */
1908 stp_port_disable(sp
);
1911 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
1912 stp_port_enable(sp
);
1914 stp_port_set_aux(sp
, ofport
);
1915 stp_port_set_priority(sp
, s
->priority
);
1916 stp_port_set_path_cost(sp
, s
->path_cost
);
1918 update_stp_port_state(ofport
);
1924 get_stp_port_status(struct ofport
*ofport_
,
1925 struct ofproto_port_stp_status
*s
)
1927 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1928 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1929 struct stp_port
*sp
= ofport
->stp_port
;
1931 if (!ofproto
->stp
|| !sp
) {
1937 s
->port_id
= stp_port_get_id(sp
);
1938 s
->state
= stp_port_get_state(sp
);
1939 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
1940 s
->role
= stp_port_get_role(sp
);
1946 get_stp_port_stats(struct ofport
*ofport_
,
1947 struct ofproto_port_stp_stats
*s
)
1949 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1950 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1951 struct stp_port
*sp
= ofport
->stp_port
;
1953 if (!ofproto
->stp
|| !sp
) {
1959 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
1965 stp_run(struct ofproto_dpif
*ofproto
)
1968 long long int now
= time_msec();
1969 long long int elapsed
= now
- ofproto
->stp_last_tick
;
1970 struct stp_port
*sp
;
1973 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
1974 ofproto
->stp_last_tick
= now
;
1976 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
1977 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
1980 update_stp_port_state(ofport
);
1984 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
1985 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1986 mac_learning_flush(ofproto
->ml
);
1987 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1993 stp_wait(struct ofproto_dpif
*ofproto
)
1996 poll_timer_wait(1000);
2001 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2004 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2005 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2007 if (ofport
->n_qdscp
!= n_qdscp
2008 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2009 n_qdscp
* sizeof *qdscp
))) {
2010 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2011 free(ofport
->qdscp
);
2012 ofport
->qdscp
= n_qdscp
2013 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2015 ofport
->n_qdscp
= n_qdscp
;
2023 /* Expires all MAC learning entries associated with 'bundle' and forces its
2024 * ofproto to revalidate every flow.
2026 * Normally MAC learning entries are removed only from the ofproto associated
2027 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2028 * are removed from every ofproto. When patch ports and SLB bonds are in use
2029 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2030 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2031 * with the host from which it migrated. */
2033 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2035 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2036 struct mac_learning
*ml
= ofproto
->ml
;
2037 struct mac_entry
*mac
, *next_mac
;
2039 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2040 ovs_rwlock_wrlock(&ml
->rwlock
);
2041 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2042 if (mac
->port
.p
== bundle
) {
2044 struct ofproto_dpif
*o
;
2046 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2048 struct mac_entry
*e
;
2050 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2051 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2053 mac_learning_expire(o
->ml
, e
);
2055 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2060 mac_learning_expire(ml
, mac
);
2063 ovs_rwlock_unlock(&ml
->rwlock
);
2066 static struct ofbundle
*
2067 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2069 struct ofbundle
*bundle
;
2071 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2072 &ofproto
->bundles
) {
2073 if (bundle
->aux
== aux
) {
2081 bundle_update(struct ofbundle
*bundle
)
2083 struct ofport_dpif
*port
;
2085 bundle
->floodable
= true;
2086 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2087 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2089 || !stp_forward_in_state(port
->stp_state
)) {
2090 bundle
->floodable
= false;
2097 bundle_del_port(struct ofport_dpif
*port
)
2099 struct ofbundle
*bundle
= port
->bundle
;
2101 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2103 list_remove(&port
->bundle_node
);
2104 port
->bundle
= NULL
;
2107 lacp_slave_unregister(bundle
->lacp
, port
);
2110 bond_slave_unregister(bundle
->bond
, port
);
2113 bundle_update(bundle
);
2117 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2118 struct lacp_slave_settings
*lacp
)
2120 struct ofport_dpif
*port
;
2122 port
= get_ofp_port(bundle
->ofproto
, ofp_port
);
2127 if (port
->bundle
!= bundle
) {
2128 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2130 bundle_remove(&port
->up
);
2133 port
->bundle
= bundle
;
2134 list_push_back(&bundle
->ports
, &port
->bundle_node
);
2135 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2137 || !stp_forward_in_state(port
->stp_state
)) {
2138 bundle
->floodable
= false;
2142 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2143 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2150 bundle_destroy(struct ofbundle
*bundle
)
2152 struct ofproto_dpif
*ofproto
;
2153 struct ofport_dpif
*port
, *next_port
;
2159 ofproto
= bundle
->ofproto
;
2160 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
->aux
);
2162 ovs_rwlock_wrlock(&xlate_rwlock
);
2163 xlate_bundle_remove(bundle
);
2164 ovs_rwlock_unlock(&xlate_rwlock
);
2166 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2167 bundle_del_port(port
);
2170 bundle_flush_macs(bundle
, true);
2171 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2173 free(bundle
->trunks
);
2174 lacp_unref(bundle
->lacp
);
2175 bond_unref(bundle
->bond
);
2180 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2181 const struct ofproto_bundle_settings
*s
)
2183 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2184 bool need_flush
= false;
2185 struct ofport_dpif
*port
;
2186 struct ofbundle
*bundle
;
2187 unsigned long *trunks
;
2193 bundle_destroy(bundle_lookup(ofproto
, aux
));
2197 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
2198 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
2200 bundle
= bundle_lookup(ofproto
, aux
);
2202 bundle
= xmalloc(sizeof *bundle
);
2204 bundle
->ofproto
= ofproto
;
2205 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
2206 hash_pointer(aux
, 0));
2208 bundle
->name
= NULL
;
2210 list_init(&bundle
->ports
);
2211 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
2213 bundle
->trunks
= NULL
;
2214 bundle
->use_priority_tags
= s
->use_priority_tags
;
2215 bundle
->lacp
= NULL
;
2216 bundle
->bond
= NULL
;
2218 bundle
->floodable
= true;
2219 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
2222 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
2224 bundle
->name
= xstrdup(s
->name
);
2229 ofproto
->lacp_enabled
= true;
2230 if (!bundle
->lacp
) {
2231 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2232 bundle
->lacp
= lacp_create();
2234 lacp_configure(bundle
->lacp
, s
->lacp
);
2236 lacp_unref(bundle
->lacp
);
2237 bundle
->lacp
= NULL
;
2240 /* Update set of ports. */
2242 for (i
= 0; i
< s
->n_slaves
; i
++) {
2243 if (!bundle_add_port(bundle
, s
->slaves
[i
],
2244 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
2248 if (!ok
|| list_size(&bundle
->ports
) != s
->n_slaves
) {
2249 struct ofport_dpif
*next_port
;
2251 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2252 for (i
= 0; i
< s
->n_slaves
; i
++) {
2253 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
2258 bundle_del_port(port
);
2262 ovs_assert(list_size(&bundle
->ports
) <= s
->n_slaves
);
2264 if (list_is_empty(&bundle
->ports
)) {
2265 bundle_destroy(bundle
);
2269 /* Set VLAN tagging mode */
2270 if (s
->vlan_mode
!= bundle
->vlan_mode
2271 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
2272 bundle
->vlan_mode
= s
->vlan_mode
;
2273 bundle
->use_priority_tags
= s
->use_priority_tags
;
2278 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
2279 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
2281 if (vlan
!= bundle
->vlan
) {
2282 bundle
->vlan
= vlan
;
2286 /* Get trunked VLANs. */
2287 switch (s
->vlan_mode
) {
2288 case PORT_VLAN_ACCESS
:
2292 case PORT_VLAN_TRUNK
:
2293 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2296 case PORT_VLAN_NATIVE_UNTAGGED
:
2297 case PORT_VLAN_NATIVE_TAGGED
:
2298 if (vlan
!= 0 && (!s
->trunks
2299 || !bitmap_is_set(s
->trunks
, vlan
)
2300 || bitmap_is_set(s
->trunks
, 0))) {
2301 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2303 trunks
= bitmap_clone(s
->trunks
, 4096);
2305 trunks
= bitmap_allocate1(4096);
2307 bitmap_set1(trunks
, vlan
);
2308 bitmap_set0(trunks
, 0);
2310 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2317 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
2318 free(bundle
->trunks
);
2319 if (trunks
== s
->trunks
) {
2320 bundle
->trunks
= vlan_bitmap_clone(trunks
);
2322 bundle
->trunks
= trunks
;
2327 if (trunks
!= s
->trunks
) {
2332 if (!list_is_short(&bundle
->ports
)) {
2333 bundle
->ofproto
->has_bonded_bundles
= true;
2335 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
2336 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2339 bundle
->bond
= bond_create(s
->bond
);
2340 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2343 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2344 bond_slave_register(bundle
->bond
, port
, port
->up
.netdev
);
2347 bond_unref(bundle
->bond
);
2348 bundle
->bond
= NULL
;
2351 /* If we changed something that would affect MAC learning, un-learn
2352 * everything on this port and force flow revalidation. */
2354 bundle_flush_macs(bundle
, false);
2361 bundle_remove(struct ofport
*port_
)
2363 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2364 struct ofbundle
*bundle
= port
->bundle
;
2367 bundle_del_port(port
);
2368 if (list_is_empty(&bundle
->ports
)) {
2369 bundle_destroy(bundle
);
2370 } else if (list_is_short(&bundle
->ports
)) {
2371 bond_unref(bundle
->bond
);
2372 bundle
->bond
= NULL
;
2378 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
2380 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
2381 struct ofport_dpif
*port
= port_
;
2382 uint8_t ea
[ETH_ADDR_LEN
];
2385 error
= netdev_get_etheraddr(port
->up
.netdev
, ea
);
2387 struct ofpbuf packet
;
2390 ofpbuf_init(&packet
, 0);
2391 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
2393 memcpy(packet_pdu
, pdu
, pdu_size
);
2395 ofproto_dpif_send_packet(port
, &packet
);
2396 ofpbuf_uninit(&packet
);
2398 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
2399 "%s (%s)", port
->bundle
->name
,
2400 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
2405 bundle_send_learning_packets(struct ofbundle
*bundle
)
2407 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2408 struct ofpbuf
*learning_packet
;
2409 int error
, n_packets
, n_errors
;
2410 struct mac_entry
*e
;
2411 struct list packets
;
2413 list_init(&packets
);
2414 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
2415 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
2416 if (e
->port
.p
!= bundle
) {
2419 learning_packet
= bond_compose_learning_packet(bundle
->bond
,
2422 /* Temporarily use l2 as a private pointer (see below). */
2423 ovs_assert(learning_packet
->l2
== ofpbuf_data(learning_packet
));
2424 learning_packet
->l2
= port_void
;
2425 list_push_back(&packets
, &learning_packet
->list_node
);
2428 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2430 error
= n_packets
= n_errors
= 0;
2431 LIST_FOR_EACH (learning_packet
, list_node
, &packets
) {
2433 void *port_void
= learning_packet
->l2
;
2436 learning_packet
->l2
= ofpbuf_data(learning_packet
);
2437 ret
= ofproto_dpif_send_packet(port_void
, learning_packet
);
2444 ofpbuf_list_delete(&packets
);
2447 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2448 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
2449 "packets, last error was: %s",
2450 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
2452 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
2453 bundle
->name
, n_packets
);
2458 bundle_run(struct ofbundle
*bundle
)
2461 lacp_run(bundle
->lacp
, send_pdu_cb
);
2464 struct ofport_dpif
*port
;
2466 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2467 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
2470 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
2471 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
2474 if (bond_should_send_learning_packets(bundle
->bond
)) {
2475 bundle_send_learning_packets(bundle
);
2481 bundle_wait(struct ofbundle
*bundle
)
2484 lacp_wait(bundle
->lacp
);
2487 bond_wait(bundle
->bond
);
2494 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
2495 const struct ofproto_mirror_settings
*s
)
2497 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2498 struct ofbundle
**srcs
, **dsts
;
2503 mirror_destroy(ofproto
->mbridge
, aux
);
2507 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
2508 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
2510 for (i
= 0; i
< s
->n_srcs
; i
++) {
2511 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
2514 for (i
= 0; i
< s
->n_dsts
; i
++) {
2515 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
2518 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
2519 s
->n_dsts
, s
->src_vlans
,
2520 bundle_lookup(ofproto
, s
->out_bundle
), s
->out_vlan
);
2527 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
2528 uint64_t *packets
, uint64_t *bytes
)
2530 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
2535 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
2537 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2538 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2539 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
2540 mac_learning_flush(ofproto
->ml
);
2542 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2547 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
2549 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2550 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
2551 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
2555 forward_bpdu_changed(struct ofproto
*ofproto_
)
2557 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2558 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2562 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
2565 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2566 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2567 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
2568 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
2569 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2574 static struct ofport_dpif
*
2575 get_ofp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
2577 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
2578 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
2582 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
2583 struct ofproto_port
*ofproto_port
,
2584 struct dpif_port
*dpif_port
)
2586 ofproto_port
->name
= dpif_port
->name
;
2587 ofproto_port
->type
= dpif_port
->type
;
2588 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
2592 ofport_update_peer(struct ofport_dpif
*ofport
)
2594 const struct ofproto_dpif
*ofproto
;
2595 struct dpif_backer
*backer
;
2598 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
2602 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
2603 backer
->need_revalidate
= REV_RECONFIGURE
;
2606 ofport
->peer
->peer
= NULL
;
2607 ofport
->peer
= NULL
;
2610 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
2615 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2616 struct ofport
*peer_ofport
;
2617 struct ofport_dpif
*peer
;
2620 if (ofproto
->backer
!= backer
) {
2624 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
2629 peer
= ofport_dpif_cast(peer_ofport
);
2630 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
2631 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
2633 ofport
->peer
= peer
;
2634 ofport
->peer
->peer
= ofport
;
2644 port_run(struct ofport_dpif
*ofport
)
2646 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
2647 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
2648 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
2649 bool cfm_enable
= false;
2650 bool bfd_enable
= false;
2652 ofport
->carrier_seq
= carrier_seq
;
2655 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
2657 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
2659 if (cfm_opup
>= 0) {
2660 cfm_enable
= cfm_enable
&& cfm_opup
;
2665 bfd_enable
= bfd_forwarding(ofport
->bfd
);
2668 if (ofport
->bfd
|| ofport
->cfm
) {
2669 enable
= enable
&& (cfm_enable
|| bfd_enable
);
2672 if (ofport
->bundle
) {
2673 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
2674 if (carrier_changed
) {
2675 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
2679 if (ofport
->may_enable
!= enable
) {
2680 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2681 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
2684 ofport
->may_enable
= enable
;
2688 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
2689 struct ofproto_port
*ofproto_port
)
2691 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2692 struct dpif_port dpif_port
;
2695 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
2696 const char *type
= netdev_get_type_from_name(devname
);
2698 /* We may be called before ofproto->up.port_by_name is populated with
2699 * the appropriate ofport. For this reason, we must get the name and
2700 * type from the netdev layer directly. */
2702 const struct ofport
*ofport
;
2704 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
2705 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
2706 ofproto_port
->name
= xstrdup(devname
);
2707 ofproto_port
->type
= xstrdup(type
);
2713 if (!sset_contains(&ofproto
->ports
, devname
)) {
2716 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
2717 devname
, &dpif_port
);
2719 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
2725 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
2727 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2728 const char *devname
= netdev_get_name(netdev
);
2729 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
2730 const char *dp_port_name
;
2732 if (netdev_vport_is_patch(netdev
)) {
2733 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
2737 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
2738 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
2739 odp_port_t port_no
= ODPP_NONE
;
2742 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
2746 if (netdev_get_tunnel_config(netdev
)) {
2747 simap_put(&ofproto
->backer
->tnl_backers
,
2748 dp_port_name
, odp_to_u32(port_no
));
2752 if (netdev_get_tunnel_config(netdev
)) {
2753 sset_add(&ofproto
->ghost_ports
, devname
);
2755 sset_add(&ofproto
->ports
, devname
);
2761 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
2763 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2764 struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
2771 sset_find_and_delete(&ofproto
->ghost_ports
,
2772 netdev_get_name(ofport
->up
.netdev
));
2773 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2774 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
2775 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
2777 /* The caller is going to close ofport->up.netdev. If this is a
2778 * bonded port, then the bond is using that netdev, so remove it
2779 * from the bond. The client will need to reconfigure everything
2780 * after deleting ports, so then the slave will get re-added. */
2781 bundle_remove(&ofport
->up
);
2788 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
2790 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2793 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
2795 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
2796 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2798 ovs_mutex_lock(&ofproto
->stats_mutex
);
2799 /* ofproto->stats.tx_packets represents packets that we created
2800 * internally and sent to some port (e.g. packets sent with
2801 * ofproto_dpif_send_packet()). Account for them as if they had
2802 * come from OFPP_LOCAL and got forwarded. */
2804 if (stats
->rx_packets
!= UINT64_MAX
) {
2805 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
2808 if (stats
->rx_bytes
!= UINT64_MAX
) {
2809 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
2812 /* ofproto->stats.rx_packets represents packets that were received on
2813 * some port and we processed internally and dropped (e.g. STP).
2814 * Account for them as if they had been forwarded to OFPP_LOCAL. */
2816 if (stats
->tx_packets
!= UINT64_MAX
) {
2817 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
2820 if (stats
->tx_bytes
!= UINT64_MAX
) {
2821 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
2823 ovs_mutex_unlock(&ofproto
->stats_mutex
);
2829 struct port_dump_state
{
2834 struct ofproto_port port
;
2839 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
2841 *statep
= xzalloc(sizeof(struct port_dump_state
));
2846 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
2847 struct ofproto_port
*port
)
2849 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2850 struct port_dump_state
*state
= state_
;
2851 const struct sset
*sset
;
2852 struct sset_node
*node
;
2854 if (state
->has_port
) {
2855 ofproto_port_destroy(&state
->port
);
2856 state
->has_port
= false;
2858 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
2859 while ((node
= sset_at_position(sset
, &state
->bucket
, &state
->offset
))) {
2862 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
2864 *port
= state
->port
;
2865 state
->has_port
= true;
2867 } else if (error
!= ENODEV
) {
2872 if (!state
->ghost
) {
2873 state
->ghost
= true;
2876 return port_dump_next(ofproto_
, state_
, port
);
2883 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
2885 struct port_dump_state
*state
= state_
;
2887 if (state
->has_port
) {
2888 ofproto_port_destroy(&state
->port
);
2895 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
2897 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2899 if (ofproto
->port_poll_errno
) {
2900 int error
= ofproto
->port_poll_errno
;
2901 ofproto
->port_poll_errno
= 0;
2905 if (sset_is_empty(&ofproto
->port_poll_set
)) {
2909 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
2914 port_poll_wait(const struct ofproto
*ofproto_
)
2916 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2917 dpif_port_poll_wait(ofproto
->backer
->dpif
);
2921 port_is_lacp_current(const struct ofport
*ofport_
)
2923 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2924 return (ofport
->bundle
&& ofport
->bundle
->lacp
2925 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
2929 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
2930 * then delete it entirely. */
2932 rule_expire(struct rule_dpif
*rule
)
2933 OVS_REQUIRES(ofproto_mutex
)
2935 uint16_t hard_timeout
, idle_timeout
;
2936 long long int now
= time_msec();
2939 ovs_assert(!rule
->up
.pending
);
2941 hard_timeout
= rule
->up
.hard_timeout
;
2942 idle_timeout
= rule
->up
.idle_timeout
;
2944 /* Has 'rule' expired? */
2946 long long int modified
;
2948 ovs_mutex_lock(&rule
->up
.mutex
);
2949 modified
= rule
->up
.modified
;
2950 ovs_mutex_unlock(&rule
->up
.mutex
);
2952 if (now
> modified
+ hard_timeout
* 1000) {
2953 reason
= OFPRR_HARD_TIMEOUT
;
2957 if (reason
< 0 && idle_timeout
) {
2960 ovs_mutex_lock(&rule
->stats_mutex
);
2961 used
= rule
->stats
.used
;
2962 ovs_mutex_unlock(&rule
->stats_mutex
);
2964 if (now
> used
+ idle_timeout
* 1000) {
2965 reason
= OFPRR_IDLE_TIMEOUT
;
2970 COVERAGE_INC(ofproto_dpif_expired
);
2971 ofproto_rule_expire(&rule
->up
, reason
);
2975 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
2976 * 'flow' must reflect the data in 'packet'. */
2978 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
2979 const struct flow
*flow
,
2980 struct rule_dpif
*rule
,
2981 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
2982 struct ofpbuf
*packet
)
2984 struct dpif_flow_stats stats
;
2985 struct xlate_out xout
;
2986 struct xlate_in xin
;
2988 struct dpif_execute execute
;
2991 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
2993 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
2995 rule_dpif_credit_stats(rule
, &stats
);
2998 xlate_in_init(&xin
, ofproto
, flow
, rule
, stats
.tcp_flags
, packet
);
2999 xin
.ofpacts
= ofpacts
;
3000 xin
.ofpacts_len
= ofpacts_len
;
3001 xin
.resubmit_stats
= &stats
;
3002 xlate_actions(&xin
, &xout
);
3004 in_port
= flow
->in_port
.ofp_port
;
3005 if (in_port
== OFPP_NONE
) {
3006 in_port
= OFPP_LOCAL
;
3008 execute
.actions
= ofpbuf_data(&xout
.odp_actions
);
3009 execute
.actions_len
= ofpbuf_size(&xout
.odp_actions
);
3010 execute
.packet
= packet
;
3011 execute
.md
.tunnel
= flow
->tunnel
;
3012 execute
.md
.skb_priority
= flow
->skb_priority
;
3013 execute
.md
.pkt_mark
= flow
->pkt_mark
;
3014 execute
.md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3015 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3017 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3019 xlate_out_uninit(&xout
);
3025 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3026 const struct dpif_flow_stats
*stats
)
3028 ovs_mutex_lock(&rule
->stats_mutex
);
3029 rule
->stats
.n_packets
+= stats
->n_packets
;
3030 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3031 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3032 ovs_mutex_unlock(&rule
->stats_mutex
);
3036 rule_dpif_is_fail_open(const struct rule_dpif
*rule
)
3038 return is_fail_open_rule(&rule
->up
);
3042 rule_dpif_is_table_miss(const struct rule_dpif
*rule
)
3044 return rule_is_table_miss(&rule
->up
);
3048 rule_dpif_is_internal(const struct rule_dpif
*rule
)
3050 return rule_is_internal(&rule
->up
);
3054 rule_dpif_get_flow_cookie(const struct rule_dpif
*rule
)
3055 OVS_REQUIRES(rule
->up
.mutex
)
3057 return rule
->up
.flow_cookie
;
3061 rule_dpif_reduce_timeouts(struct rule_dpif
*rule
, uint16_t idle_timeout
,
3062 uint16_t hard_timeout
)
3064 ofproto_rule_reduce_timeouts(&rule
->up
, idle_timeout
, hard_timeout
);
3067 /* Returns 'rule''s actions. The caller owns a reference on the returned
3068 * actions and must eventually release it (with rule_actions_unref()) to avoid
3070 struct rule_actions
*
3071 rule_dpif_get_actions(const struct rule_dpif
*rule
)
3073 return rule_get_actions(&rule
->up
);
3076 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
3077 * If 'wc' is non-null, sets the fields that were relevant as part of
3078 * the lookup. Returns the table_id where a match or miss occurred.
3080 * The return value will be zero unless there was a miss and
3081 * OFPTC_TABLE_MISS_CONTINUE is in effect for the sequence of tables
3082 * where misses occur. */
3084 rule_dpif_lookup(struct ofproto_dpif
*ofproto
, const struct flow
*flow
,
3085 struct flow_wildcards
*wc
, struct rule_dpif
**rule
)
3087 enum rule_dpif_lookup_verdict verdict
;
3088 enum ofputil_port_config config
= 0;
3089 uint8_t table_id
= 0;
3091 verdict
= rule_dpif_lookup_from_table(ofproto
, flow
, wc
, true,
3095 case RULE_DPIF_LOOKUP_VERDICT_MATCH
:
3097 case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
: {
3098 struct ofport_dpif
*port
;
3100 port
= get_ofp_port(ofproto
, flow
->in_port
.ofp_port
);
3102 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu16
,
3103 flow
->in_port
.ofp_port
);
3105 config
= port
? port
->up
.pp
.config
: 0;
3108 case RULE_DPIF_LOOKUP_VERDICT_DROP
:
3109 config
= OFPUTIL_PC_NO_PACKET_IN
;
3115 choose_miss_rule(config
, ofproto
->miss_rule
,
3116 ofproto
->no_packet_in_rule
, rule
);
3120 static struct rule_dpif
*
3121 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
3122 const struct flow
*flow
, struct flow_wildcards
*wc
)
3124 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
3125 const struct cls_rule
*cls_rule
;
3126 struct rule_dpif
*rule
;
3128 fat_rwlock_rdlock(&cls
->rwlock
);
3129 if (ofproto
->up
.frag_handling
!= OFPC_FRAG_NX_MATCH
) {
3131 memset(&wc
->masks
.dl_type
, 0xff, sizeof wc
->masks
.dl_type
);
3132 if (is_ip_any(flow
)) {
3133 wc
->masks
.nw_frag
|= FLOW_NW_FRAG_MASK
;
3137 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
) {
3138 if (ofproto
->up
.frag_handling
== OFPC_FRAG_NORMAL
) {
3139 /* We must pretend that transport ports are unavailable. */
3140 struct flow ofpc_normal_flow
= *flow
;
3141 ofpc_normal_flow
.tp_src
= htons(0);
3142 ofpc_normal_flow
.tp_dst
= htons(0);
3143 cls_rule
= classifier_lookup(cls
, &ofpc_normal_flow
, wc
);
3145 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). */
3146 cls_rule
= &ofproto
->drop_frags_rule
->up
.cr
;
3149 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3152 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3155 rule
= rule_dpif_cast(rule_from_cls_rule(cls_rule
));
3156 rule_dpif_ref(rule
);
3157 fat_rwlock_unlock(&cls
->rwlock
);
3162 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3163 * Stores the rule that was found in '*rule', or NULL if none was found.
3164 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3167 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3168 * if none is found then the table miss configuration for that table is
3169 * honored, which can result in additional lookups in other OpenFlow tables.
3170 * In this case the function updates '*table_id' to reflect the final OpenFlow
3171 * table that was searched.
3173 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3178 * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found.
3180 * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found and a table miss
3181 * configuration specified that the packet should be dropped in this
3182 * case. (This occurs only if 'honor_table_miss' is true, because only in
3183 * this case does the table miss configuration matter.)
3185 * - RULE_DPIF_LOOKUP_VERDICT_CONTROLLER if no rule was found otherwise. */
3186 enum rule_dpif_lookup_verdict
3187 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
3188 const struct flow
*flow
,
3189 struct flow_wildcards
*wc
,
3190 bool honor_table_miss
,
3191 uint8_t *table_id
, struct rule_dpif
**rule
)
3195 for (next_id
= *table_id
;
3196 next_id
< ofproto
->up
.n_tables
;
3197 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
3199 *table_id
= next_id
;
3200 *rule
= rule_dpif_lookup_in_table(ofproto
, *table_id
, flow
, wc
);
3202 return RULE_DPIF_LOOKUP_VERDICT_MATCH
;
3203 } else if (!honor_table_miss
) {
3204 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3206 switch (table_get_config(&ofproto
->up
, *table_id
)
3207 & OFPTC11_TABLE_MISS_MASK
) {
3208 case OFPTC11_TABLE_MISS_CONTINUE
:
3211 case OFPTC11_TABLE_MISS_CONTROLLER
:
3212 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3214 case OFPTC11_TABLE_MISS_DROP
:
3215 return RULE_DPIF_LOOKUP_VERDICT_DROP
;
3220 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3223 /* Given a port configuration (specified as zero if there's no port), chooses
3224 * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a
3225 * flow table miss. */
3227 choose_miss_rule(enum ofputil_port_config config
, struct rule_dpif
*miss_rule
,
3228 struct rule_dpif
*no_packet_in_rule
, struct rule_dpif
**rule
)
3230 *rule
= config
& OFPUTIL_PC_NO_PACKET_IN
? no_packet_in_rule
: miss_rule
;
3231 rule_dpif_ref(*rule
);
3235 rule_dpif_ref(struct rule_dpif
*rule
)
3238 ofproto_rule_ref(&rule
->up
);
3243 rule_dpif_unref(struct rule_dpif
*rule
)
3246 ofproto_rule_unref(&rule
->up
);
3251 complete_operation(struct rule_dpif
*rule
)
3252 OVS_REQUIRES(ofproto_mutex
)
3254 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3256 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3257 ofoperation_complete(rule
->up
.pending
, 0);
3260 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
3262 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
3265 static struct rule
*
3268 struct rule_dpif
*rule
= xmalloc(sizeof *rule
);
3273 rule_dealloc(struct rule
*rule_
)
3275 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3280 rule_construct(struct rule
*rule_
)
3281 OVS_NO_THREAD_SAFETY_ANALYSIS
3283 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3284 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
3285 rule
->stats
.n_packets
= 0;
3286 rule
->stats
.n_bytes
= 0;
3287 rule
->stats
.used
= rule
->up
.modified
;
3292 rule_insert(struct rule
*rule_
)
3293 OVS_REQUIRES(ofproto_mutex
)
3295 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3296 complete_operation(rule
);
3300 rule_delete(struct rule
*rule_
)
3301 OVS_REQUIRES(ofproto_mutex
)
3303 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3304 complete_operation(rule
);
3308 rule_destruct(struct rule
*rule_
)
3310 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3311 ovs_mutex_destroy(&rule
->stats_mutex
);
3315 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
3316 long long int *used
)
3318 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3320 ovs_mutex_lock(&rule
->stats_mutex
);
3321 *packets
= rule
->stats
.n_packets
;
3322 *bytes
= rule
->stats
.n_bytes
;
3323 *used
= rule
->stats
.used
;
3324 ovs_mutex_unlock(&rule
->stats_mutex
);
3328 rule_dpif_execute(struct rule_dpif
*rule
, const struct flow
*flow
,
3329 struct ofpbuf
*packet
)
3331 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3333 ofproto_dpif_execute_actions(ofproto
, flow
, rule
, NULL
, 0, packet
);
3337 rule_execute(struct rule
*rule
, const struct flow
*flow
,
3338 struct ofpbuf
*packet
)
3340 rule_dpif_execute(rule_dpif_cast(rule
), flow
, packet
);
3341 ofpbuf_delete(packet
);
3346 rule_modify_actions(struct rule
*rule_
, bool reset_counters
)
3347 OVS_REQUIRES(ofproto_mutex
)
3349 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3351 if (reset_counters
) {
3352 ovs_mutex_lock(&rule
->stats_mutex
);
3353 rule
->stats
.n_packets
= 0;
3354 rule
->stats
.n_bytes
= 0;
3355 ovs_mutex_unlock(&rule
->stats_mutex
);
3358 complete_operation(rule
);
3361 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
3363 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
3366 static struct ofgroup
*
3369 struct group_dpif
*group
= xzalloc(sizeof *group
);
3374 group_dealloc(struct ofgroup
*group_
)
3376 struct group_dpif
*group
= group_dpif_cast(group_
);
3381 group_construct_stats(struct group_dpif
*group
)
3382 OVS_REQUIRES(group
->stats_mutex
)
3384 group
->packet_count
= 0;
3385 group
->byte_count
= 0;
3386 if (!group
->bucket_stats
) {
3387 group
->bucket_stats
= xcalloc(group
->up
.n_buckets
,
3388 sizeof *group
->bucket_stats
);
3390 memset(group
->bucket_stats
, 0, group
->up
.n_buckets
*
3391 sizeof *group
->bucket_stats
);
3396 group_construct(struct ofgroup
*group_
)
3398 struct group_dpif
*group
= group_dpif_cast(group_
);
3399 const struct ofputil_bucket
*bucket
;
3401 /* Prevent group chaining because our locking structure makes it hard to
3402 * implement deadlock-free. (See xlate_group_resource_check().) */
3403 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
3404 const struct ofpact
*a
;
3406 OFPACT_FOR_EACH (a
, bucket
->ofpacts
, bucket
->ofpacts_len
) {
3407 if (a
->type
== OFPACT_GROUP
) {
3408 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED
;
3413 ovs_mutex_init_adaptive(&group
->stats_mutex
);
3414 ovs_mutex_lock(&group
->stats_mutex
);
3415 group_construct_stats(group
);
3416 ovs_mutex_unlock(&group
->stats_mutex
);
3421 group_destruct__(struct group_dpif
*group
)
3422 OVS_REQUIRES(group
->stats_mutex
)
3424 free(group
->bucket_stats
);
3425 group
->bucket_stats
= NULL
;
3429 group_destruct(struct ofgroup
*group_
)
3431 struct group_dpif
*group
= group_dpif_cast(group_
);
3432 ovs_mutex_lock(&group
->stats_mutex
);
3433 group_destruct__(group
);
3434 ovs_mutex_unlock(&group
->stats_mutex
);
3435 ovs_mutex_destroy(&group
->stats_mutex
);
3439 group_modify(struct ofgroup
*group_
, struct ofgroup
*victim_
)
3441 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(group_
->ofproto
);
3442 struct group_dpif
*group
= group_dpif_cast(group_
);
3443 struct group_dpif
*victim
= group_dpif_cast(victim_
);
3445 ovs_mutex_lock(&group
->stats_mutex
);
3446 if (victim
->up
.n_buckets
< group
->up
.n_buckets
) {
3447 group_destruct__(group
);
3449 group_construct_stats(group
);
3450 ovs_mutex_unlock(&group
->stats_mutex
);
3452 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3458 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
3460 struct group_dpif
*group
= group_dpif_cast(group_
);
3462 ovs_mutex_lock(&group
->stats_mutex
);
3463 ogs
->packet_count
= group
->packet_count
;
3464 ogs
->byte_count
= group
->byte_count
;
3465 memcpy(ogs
->bucket_stats
, group
->bucket_stats
,
3466 group
->up
.n_buckets
* sizeof *group
->bucket_stats
);
3467 ovs_mutex_unlock(&group
->stats_mutex
);
3473 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
3474 struct group_dpif
**group
)
3475 OVS_TRY_RDLOCK(true, (*group
)->up
.rwlock
)
3477 struct ofgroup
*ofgroup
;
3481 found
= ofproto_group_lookup(&ofproto
->up
, group_id
, &ofgroup
);
3482 *group
= found
? group_dpif_cast(ofgroup
) : NULL
;
3488 group_dpif_release(struct group_dpif
*group
)
3489 OVS_RELEASES(group
->up
.rwlock
)
3491 ofproto_group_release(&group
->up
);
3495 group_dpif_get_buckets(const struct group_dpif
*group
,
3496 const struct list
**buckets
)
3498 *buckets
= &group
->up
.buckets
;
3501 enum ofp11_group_type
3502 group_dpif_get_type(const struct group_dpif
*group
)
3504 return group
->up
.type
;
3507 /* Sends 'packet' out 'ofport'.
3508 * May modify 'packet'.
3509 * Returns 0 if successful, otherwise a positive errno value. */
3511 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, struct ofpbuf
*packet
)
3513 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3516 error
= xlate_send_packet(ofport
, packet
);
3518 ovs_mutex_lock(&ofproto
->stats_mutex
);
3519 ofproto
->stats
.tx_packets
++;
3520 ofproto
->stats
.tx_bytes
+= ofpbuf_size(packet
);
3521 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3526 set_frag_handling(struct ofproto
*ofproto_
,
3527 enum ofp_config_flags frag_handling
)
3529 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3530 if (frag_handling
!= OFPC_FRAG_REASM
) {
3531 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3539 packet_out(struct ofproto
*ofproto_
, struct ofpbuf
*packet
,
3540 const struct flow
*flow
,
3541 const struct ofpact
*ofpacts
, size_t ofpacts_len
)
3543 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3545 ofproto_dpif_execute_actions(ofproto
, flow
, NULL
, ofpacts
,
3546 ofpacts_len
, packet
);
3553 set_netflow(struct ofproto
*ofproto_
,
3554 const struct netflow_options
*netflow_options
)
3556 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3558 if (netflow_options
) {
3559 if (!ofproto
->netflow
) {
3560 ofproto
->netflow
= netflow_create();
3561 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3563 return netflow_set_options(ofproto
->netflow
, netflow_options
);
3564 } else if (ofproto
->netflow
) {
3565 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3566 netflow_unref(ofproto
->netflow
);
3567 ofproto
->netflow
= NULL
;
3574 get_netflow_ids(const struct ofproto
*ofproto_
,
3575 uint8_t *engine_type
, uint8_t *engine_id
)
3577 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3579 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
3582 static struct ofproto_dpif
*
3583 ofproto_dpif_lookup(const char *name
)
3585 struct ofproto_dpif
*ofproto
;
3587 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
3588 hash_string(name
, 0), &all_ofproto_dpifs
) {
3589 if (!strcmp(ofproto
->up
.name
, name
)) {
3597 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
3598 const char *argv
[], void *aux OVS_UNUSED
)
3600 struct ofproto_dpif
*ofproto
;
3603 ofproto
= ofproto_dpif_lookup(argv
[1]);
3605 unixctl_command_reply_error(conn
, "no such bridge");
3608 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3609 mac_learning_flush(ofproto
->ml
);
3610 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3612 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3613 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3614 mac_learning_flush(ofproto
->ml
);
3615 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3619 unixctl_command_reply(conn
, "table successfully flushed");
3622 static struct ofport_dpif
*
3623 ofbundle_get_a_port(const struct ofbundle
*bundle
)
3625 return CONTAINER_OF(list_front(&bundle
->ports
), struct ofport_dpif
,
3630 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3631 const char *argv
[], void *aux OVS_UNUSED
)
3633 struct ds ds
= DS_EMPTY_INITIALIZER
;
3634 const struct ofproto_dpif
*ofproto
;
3635 const struct mac_entry
*e
;
3637 ofproto
= ofproto_dpif_lookup(argv
[1]);
3639 unixctl_command_reply_error(conn
, "no such bridge");
3643 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
3644 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3645 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3646 struct ofbundle
*bundle
= e
->port
.p
;
3647 char name
[OFP_MAX_PORT_NAME_LEN
];
3649 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
3651 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
3652 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
3653 mac_entry_age(ofproto
->ml
, e
));
3655 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3656 unixctl_command_reply(conn
, ds_cstr(&ds
));
3661 struct xlate_out xout
;
3662 struct xlate_in xin
;
3664 struct flow_wildcards wc
;
3669 trace_format_rule(struct ds
*result
, int level
, const struct rule_dpif
*rule
)
3671 struct rule_actions
*actions
;
3674 ds_put_char_multiple(result
, '\t', level
);
3676 ds_put_cstr(result
, "No match\n");
3680 ovs_mutex_lock(&rule
->up
.mutex
);
3681 cookie
= rule
->up
.flow_cookie
;
3682 ovs_mutex_unlock(&rule
->up
.mutex
);
3684 ds_put_format(result
, "Rule: table=%"PRIu8
" cookie=%#"PRIx64
" ",
3685 rule
? rule
->up
.table_id
: 0, ntohll(cookie
));
3686 cls_rule_format(&rule
->up
.cr
, result
);
3687 ds_put_char(result
, '\n');
3689 actions
= rule_dpif_get_actions(rule
);
3691 ds_put_char_multiple(result
, '\t', level
);
3692 ds_put_cstr(result
, "OpenFlow actions=");
3693 ofpacts_format(actions
->ofpacts
, actions
->ofpacts_len
, result
);
3694 ds_put_char(result
, '\n');
3698 trace_format_flow(struct ds
*result
, int level
, const char *title
,
3699 struct trace_ctx
*trace
)
3701 ds_put_char_multiple(result
, '\t', level
);
3702 ds_put_format(result
, "%s: ", title
);
3703 if (flow_equal(&trace
->xin
.flow
, &trace
->flow
)) {
3704 ds_put_cstr(result
, "unchanged");
3706 flow_format(result
, &trace
->xin
.flow
);
3707 trace
->flow
= trace
->xin
.flow
;
3709 ds_put_char(result
, '\n');
3713 trace_format_regs(struct ds
*result
, int level
, const char *title
,
3714 struct trace_ctx
*trace
)
3718 ds_put_char_multiple(result
, '\t', level
);
3719 ds_put_format(result
, "%s:", title
);
3720 for (i
= 0; i
< FLOW_N_REGS
; i
++) {
3721 ds_put_format(result
, " reg%"PRIuSIZE
"=0x%"PRIx32
, i
, trace
->flow
.regs
[i
]);
3723 ds_put_char(result
, '\n');
3727 trace_format_odp(struct ds
*result
, int level
, const char *title
,
3728 struct trace_ctx
*trace
)
3730 struct ofpbuf
*odp_actions
= &trace
->xout
.odp_actions
;
3732 ds_put_char_multiple(result
, '\t', level
);
3733 ds_put_format(result
, "%s: ", title
);
3734 format_odp_actions(result
, ofpbuf_data(odp_actions
),
3735 ofpbuf_size(odp_actions
));
3736 ds_put_char(result
, '\n');
3740 trace_format_megaflow(struct ds
*result
, int level
, const char *title
,
3741 struct trace_ctx
*trace
)
3745 ds_put_char_multiple(result
, '\t', level
);
3746 ds_put_format(result
, "%s: ", title
);
3747 flow_wildcards_or(&trace
->wc
, &trace
->xout
.wc
, &trace
->wc
);
3748 match_init(&match
, &trace
->flow
, &trace
->wc
);
3749 match_format(&match
, result
, OFP_DEFAULT_PRIORITY
);
3750 ds_put_char(result
, '\n');
3754 trace_resubmit(struct xlate_in
*xin
, struct rule_dpif
*rule
, int recurse
)
3756 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
3757 struct ds
*result
= trace
->result
;
3759 ds_put_char(result
, '\n');
3760 trace_format_flow(result
, recurse
+ 1, "Resubmitted flow", trace
);
3761 trace_format_regs(result
, recurse
+ 1, "Resubmitted regs", trace
);
3762 trace_format_odp(result
, recurse
+ 1, "Resubmitted odp", trace
);
3763 trace_format_megaflow(result
, recurse
+ 1, "Resubmitted megaflow", trace
);
3764 trace_format_rule(result
, recurse
+ 1, rule
);
3768 trace_report(struct xlate_in
*xin
, const char *s
, int recurse
)
3770 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
3771 struct ds
*result
= trace
->result
;
3773 ds_put_char_multiple(result
, '\t', recurse
);
3774 ds_put_cstr(result
, s
);
3775 ds_put_char(result
, '\n');
3778 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
3779 * forms are supported:
3781 * - [dpname] odp_flow [-generate | packet]
3782 * - bridge br_flow [-generate | packet]
3784 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
3785 * returns a nonnull malloced error message. */
3786 static char * WARN_UNUSED_RESULT
3787 parse_flow_and_packet(int argc
, const char *argv
[],
3788 struct ofproto_dpif
**ofprotop
, struct flow
*flow
,
3789 struct ofpbuf
**packetp
)
3791 const struct dpif_backer
*backer
= NULL
;
3792 const char *error
= NULL
;
3794 struct simap port_names
= SIMAP_INITIALIZER(&port_names
);
3795 struct ofpbuf
*packet
;
3796 struct ofpbuf odp_key
;
3797 struct ofpbuf odp_mask
;
3799 ofpbuf_init(&odp_key
, 0);
3800 ofpbuf_init(&odp_mask
, 0);
3802 /* Handle "-generate" or a hex string as the last argument. */
3803 if (!strcmp(argv
[argc
- 1], "-generate")) {
3804 packet
= ofpbuf_new(0);
3807 error
= eth_from_hex(argv
[argc
- 1], &packet
);
3810 } else if (argc
== 4) {
3811 /* The 3-argument form must end in "-generate' or a hex string. */
3817 /* odp_flow can have its in_port specified as a name instead of port no.
3818 * We do not yet know whether a given flow is a odp_flow or a br_flow.
3819 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
3820 * we need to create a simap of name to port no. */
3822 const char *dp_type
;
3823 if (!strncmp(argv
[1], "ovs-", 4)) {
3824 dp_type
= argv
[1] + 4;
3828 backer
= shash_find_data(&all_dpif_backers
, dp_type
);
3829 } else if (argc
== 2) {
3830 struct shash_node
*node
;
3831 if (shash_count(&all_dpif_backers
) == 1) {
3832 node
= shash_first(&all_dpif_backers
);
3833 backer
= node
->data
;
3836 error
= "Syntax error";
3839 if (backer
&& backer
->dpif
) {
3840 struct dpif_port dpif_port
;
3841 struct dpif_port_dump port_dump
;
3842 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, backer
->dpif
) {
3843 simap_put(&port_names
, dpif_port
.name
,
3844 odp_to_u32(dpif_port
.port_no
));
3848 /* Parse the flow and determine whether a datapath or
3849 * bridge is specified. If function odp_flow_key_from_string()
3850 * returns 0, the flow is a odp_flow. If function
3851 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
3852 if (!odp_flow_from_string(argv
[argc
- 1], &port_names
,
3853 &odp_key
, &odp_mask
)) {
3855 error
= "Cannot find the datapath";
3859 if (xlate_receive(backer
, NULL
, ofpbuf_data(&odp_key
),
3860 ofpbuf_size(&odp_key
), flow
,
3861 ofprotop
, NULL
, NULL
, NULL
, NULL
)) {
3862 error
= "Invalid datapath flow";
3866 char *err
= parse_ofp_exact_flow(flow
, NULL
, argv
[argc
- 1], NULL
);
3869 m_err
= xasprintf("Bad flow syntax: %s", err
);
3874 error
= "Must specify bridge name";
3878 *ofprotop
= ofproto_dpif_lookup(argv
[1]);
3880 error
= "Unknown bridge name";
3886 /* Generate a packet, if requested. */
3888 if (!ofpbuf_size(packet
)) {
3889 flow_compose(packet
, flow
);
3891 struct pkt_metadata md
= pkt_metadata_from_flow(flow
);
3893 /* Use the metadata from the flow and the packet argument
3894 * to reconstruct the flow. */
3895 flow_extract(packet
, &md
, flow
);
3900 if (error
&& !m_err
) {
3901 m_err
= xstrdup(error
);
3904 ofpbuf_delete(packet
);
3908 ofpbuf_uninit(&odp_key
);
3909 ofpbuf_uninit(&odp_mask
);
3910 simap_destroy(&port_names
);
3915 ofproto_unixctl_trace(struct unixctl_conn
*conn
, int argc
, const char *argv
[],
3916 void *aux OVS_UNUSED
)
3918 struct ofproto_dpif
*ofproto
;
3919 struct ofpbuf
*packet
;
3923 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
3928 ofproto_trace(ofproto
, &flow
, packet
, NULL
, 0, &result
);
3929 unixctl_command_reply(conn
, ds_cstr(&result
));
3930 ds_destroy(&result
);
3931 ofpbuf_delete(packet
);
3933 unixctl_command_reply_error(conn
, error
);
3939 ofproto_unixctl_trace_actions(struct unixctl_conn
*conn
, int argc
,
3940 const char *argv
[], void *aux OVS_UNUSED
)
3942 enum ofputil_protocol usable_protocols
;
3943 struct ofproto_dpif
*ofproto
;
3944 bool enforce_consistency
;
3945 struct ofpbuf ofpacts
;
3946 struct ofpbuf
*packet
;
3951 /* Three kinds of error return values! */
3957 ofpbuf_init(&ofpacts
, 0);
3959 /* Parse actions. */
3960 error
= parse_ofpacts(argv
[--argc
], &ofpacts
, &usable_protocols
);
3962 unixctl_command_reply_error(conn
, error
);
3967 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
3968 * consistency between the flow and the actions. With -consistent, we
3969 * enforce consistency even for a flow supported in OpenFlow 1.0. */
3970 if (!strcmp(argv
[1], "-consistent")) {
3971 enforce_consistency
= true;
3975 enforce_consistency
= false;
3978 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
3980 unixctl_command_reply_error(conn
, error
);
3985 /* Do the same checks as handle_packet_out() in ofproto.c.
3987 * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't
3988 * strictly correct because these actions aren't in any table, but it's OK
3989 * because it 'table_id' is used only to check goto_table instructions, but
3990 * packet-outs take a list of actions and therefore it can't include
3993 * We skip the "meter" check here because meter is an instruction, not an
3994 * action, and thus cannot appear in ofpacts. */
3995 in_port
= ofp_to_u16(flow
.in_port
.ofp_port
);
3996 if (in_port
>= ofproto
->up
.max_ports
&& in_port
< ofp_to_u16(OFPP_MAX
)) {
3997 unixctl_command_reply_error(conn
, "invalid in_port");
4000 if (enforce_consistency
) {
4001 retval
= ofpacts_check_consistency(ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
),
4002 &flow
, u16_to_ofp(ofproto
->up
.max_ports
),
4003 0, 0, usable_protocols
);
4005 retval
= ofpacts_check(ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
), &flow
,
4006 u16_to_ofp(ofproto
->up
.max_ports
), 0, 0,
4012 ds_put_format(&result
, "Bad actions: %s", ofperr_to_string(retval
));
4013 unixctl_command_reply_error(conn
, ds_cstr(&result
));
4017 ofproto_trace(ofproto
, &flow
, packet
,
4018 ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
), &result
);
4019 unixctl_command_reply(conn
, ds_cstr(&result
));
4022 ds_destroy(&result
);
4023 ofpbuf_delete(packet
);
4024 ofpbuf_uninit(&ofpacts
);
4027 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4028 * description of the results to 'ds'.
4030 * The trace follows a packet with the specified 'flow' through the flow
4031 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4032 * side effects (if it is nonnull then its flow must be 'flow').
4034 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4035 * trace, otherwise the actions are determined by a flow table lookup. */
4037 ofproto_trace(struct ofproto_dpif
*ofproto
, const struct flow
*flow
,
4038 const struct ofpbuf
*packet
,
4039 const struct ofpact ofpacts
[], size_t ofpacts_len
,
4042 struct rule_dpif
*rule
;
4043 struct trace_ctx trace
;
4045 ds_put_format(ds
, "Bridge: %s\n", ofproto
->up
.name
);
4046 ds_put_cstr(ds
, "Flow: ");
4047 flow_format(ds
, flow
);
4048 ds_put_char(ds
, '\n');
4050 flow_wildcards_init_catchall(&trace
.wc
);
4054 rule_dpif_lookup(ofproto
, flow
, &trace
.wc
, &rule
);
4056 trace_format_rule(ds
, 0, rule
);
4057 if (rule
== ofproto
->miss_rule
) {
4058 ds_put_cstr(ds
, "\nNo match, flow generates \"packet in\"s.\n");
4059 } else if (rule
== ofproto
->no_packet_in_rule
) {
4060 ds_put_cstr(ds
, "\nNo match, packets dropped because "
4061 "OFPPC_NO_PACKET_IN is set on in_port.\n");
4062 } else if (rule
== ofproto
->drop_frags_rule
) {
4063 ds_put_cstr(ds
, "\nPackets dropped because they are IP fragments "
4064 "and the fragment handling mode is \"drop\".\n");
4068 if (rule
|| ofpacts
) {
4071 xlate_in_init(&trace
.xin
, ofproto
, flow
, rule
, ntohs(flow
->tcp_flags
),
4074 trace
.xin
.ofpacts
= ofpacts
;
4075 trace
.xin
.ofpacts_len
= ofpacts_len
;
4077 trace
.xin
.resubmit_hook
= trace_resubmit
;
4078 trace
.xin
.report_hook
= trace_report
;
4080 xlate_actions(&trace
.xin
, &trace
.xout
);
4082 ds_put_char(ds
, '\n');
4083 trace_format_flow(ds
, 0, "Final flow", &trace
);
4084 trace_format_megaflow(ds
, 0, "Megaflow", &trace
);
4086 ds_put_cstr(ds
, "Datapath actions: ");
4087 format_odp_actions(ds
, ofpbuf_data(&trace
.xout
.odp_actions
),
4088 ofpbuf_size(&trace
.xout
.odp_actions
));
4090 if (trace
.xout
.slow
) {
4091 enum slow_path_reason slow
;
4093 ds_put_cstr(ds
, "\nThis flow is handled by the userspace "
4094 "slow path because it:");
4096 slow
= trace
.xout
.slow
;
4098 enum slow_path_reason bit
= rightmost_1bit(slow
);
4100 ds_put_format(ds
, "\n\t- %s.",
4101 slow_path_reason_to_explanation(bit
));
4107 xlate_out_uninit(&trace
.xout
);
4110 rule_dpif_unref(rule
);
4113 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4114 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4115 * to destroy 'ofproto_shash' and free the returned value. */
4116 static const struct shash_node
**
4117 get_ofprotos(struct shash
*ofproto_shash
)
4119 const struct ofproto_dpif
*ofproto
;
4121 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4122 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
4123 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
4126 return shash_sort(ofproto_shash
);
4130 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4131 const char *argv
[] OVS_UNUSED
,
4132 void *aux OVS_UNUSED
)
4134 struct ds ds
= DS_EMPTY_INITIALIZER
;
4135 struct shash ofproto_shash
;
4136 const struct shash_node
**sorted_ofprotos
;
4139 shash_init(&ofproto_shash
);
4140 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
4141 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4142 const struct shash_node
*node
= sorted_ofprotos
[i
];
4143 ds_put_format(&ds
, "%s\n", node
->name
);
4146 shash_destroy(&ofproto_shash
);
4147 free(sorted_ofprotos
);
4149 unixctl_command_reply(conn
, ds_cstr(&ds
));
4154 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
4156 const struct shash_node
**ofprotos
;
4157 struct dpif_dp_stats dp_stats
;
4158 struct shash ofproto_shash
;
4161 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
4163 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
4164 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
4166 shash_init(&ofproto_shash
);
4167 ofprotos
= get_ofprotos(&ofproto_shash
);
4168 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4169 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
4170 const struct shash_node
**ports
;
4173 if (ofproto
->backer
!= backer
) {
4177 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
4179 ports
= shash_sort(&ofproto
->up
.port_by_name
);
4180 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
4181 const struct shash_node
*node
= ports
[j
];
4182 struct ofport
*ofport
= node
->data
;
4184 odp_port_t odp_port
;
4186 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
4189 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
4190 if (odp_port
!= ODPP_NONE
) {
4191 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
4193 ds_put_cstr(ds
, "none:");
4196 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
4199 if (!netdev_get_config(ofport
->netdev
, &config
)) {
4200 const struct smap_node
**nodes
;
4203 nodes
= smap_sort(&config
);
4204 for (i
= 0; i
< smap_count(&config
); i
++) {
4205 const struct smap_node
*node
= nodes
[i
];
4206 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
4207 node
->key
, node
->value
);
4211 smap_destroy(&config
);
4213 ds_put_char(ds
, ')');
4214 ds_put_char(ds
, '\n');
4218 shash_destroy(&ofproto_shash
);
4223 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4224 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
4226 struct ds ds
= DS_EMPTY_INITIALIZER
;
4227 const struct shash_node
**backers
;
4230 backers
= shash_sort(&all_dpif_backers
);
4231 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
4232 dpif_show_backer(backers
[i
]->data
, &ds
);
4236 unixctl_command_reply(conn
, ds_cstr(&ds
));
4241 ofproto_dpif_contains_flow(const struct ofproto_dpif
*ofproto
,
4242 const struct nlattr
*key
, size_t key_len
)
4244 struct ofproto_dpif
*ofp
;
4247 xlate_receive(ofproto
->backer
, NULL
, key
, key_len
, &flow
, &ofp
,
4248 NULL
, NULL
, NULL
, NULL
);
4249 return ofp
== ofproto
;
4253 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
4254 int argc OVS_UNUSED
, const char *argv
[],
4255 void *aux OVS_UNUSED
)
4257 struct ds ds
= DS_EMPTY_INITIALIZER
;
4258 const struct dpif_flow_stats
*stats
;
4259 const struct ofproto_dpif
*ofproto
;
4260 struct dpif_flow_dump flow_dump
;
4261 const struct nlattr
*actions
;
4262 const struct nlattr
*mask
;
4263 const struct nlattr
*key
;
4267 bool verbosity
= false;
4268 struct dpif_port dpif_port
;
4269 struct dpif_port_dump port_dump
;
4270 struct hmap portno_names
;
4274 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
4276 unixctl_command_reply_error(conn
, "no such bridge");
4280 if (argc
> 2 && !strcmp(argv
[1], "-m")) {
4284 hmap_init(&portno_names
);
4285 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
4286 odp_portno_names_set(&portno_names
, dpif_port
.port_no
, dpif_port
.name
);
4290 error
= dpif_flow_dump_start(&flow_dump
, ofproto
->backer
->dpif
);
4294 dpif_flow_dump_state_init(ofproto
->backer
->dpif
, &state
);
4295 while (dpif_flow_dump_next(&flow_dump
, state
, &key
, &key_len
,
4296 &mask
, &mask_len
, &actions
, &actions_len
,
4298 if (!ofproto_dpif_contains_flow(ofproto
, key
, key_len
)) {
4302 odp_flow_format(key
, key_len
, mask
, mask_len
, &portno_names
, &ds
,
4304 ds_put_cstr(&ds
, ", ");
4305 dpif_flow_stats_format(stats
, &ds
);
4306 ds_put_cstr(&ds
, ", actions:");
4307 format_odp_actions(&ds
, actions
, actions_len
);
4308 ds_put_char(&ds
, '\n');
4310 dpif_flow_dump_state_uninit(ofproto
->backer
->dpif
, state
);
4311 error
= dpif_flow_dump_done(&flow_dump
);
4316 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
4317 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
4319 unixctl_command_reply(conn
, ds_cstr(&ds
));
4321 odp_portno_names_destroy(&portno_names
);
4322 hmap_destroy(&portno_names
);
4327 ofproto_dpif_unixctl_init(void)
4329 static bool registered
;
4335 unixctl_command_register(
4337 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
4338 1, 3, ofproto_unixctl_trace
, NULL
);
4339 unixctl_command_register(
4340 "ofproto/trace-packet-out",
4341 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
4342 2, 6, ofproto_unixctl_trace_actions
, NULL
);
4343 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
4344 ofproto_unixctl_fdb_flush
, NULL
);
4345 unixctl_command_register("fdb/show", "bridge", 1, 1,
4346 ofproto_unixctl_fdb_show
, NULL
);
4347 unixctl_command_register("dpif/dump-dps", "", 0, 0,
4348 ofproto_unixctl_dpif_dump_dps
, NULL
);
4349 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
4351 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
4352 ofproto_unixctl_dpif_dump_flows
, NULL
);
4356 /* Returns true if 'rule' is an internal rule, false otherwise. */
4358 rule_is_internal(const struct rule
*rule
)
4360 return rule
->table_id
== TBL_INTERNAL
;
4363 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4365 * This is deprecated. It is only for compatibility with broken device drivers
4366 * in old versions of Linux that do not properly support VLANs when VLAN
4367 * devices are not used. When broken device drivers are no longer in
4368 * widespread use, we will delete these interfaces. */
4371 set_realdev(struct ofport
*ofport_
, ofp_port_t realdev_ofp_port
, int vid
)
4373 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
4374 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
4376 if (realdev_ofp_port
== ofport
->realdev_ofp_port
4377 && vid
== ofport
->vlandev_vid
) {
4381 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4383 if (ofport
->realdev_ofp_port
) {
4386 if (realdev_ofp_port
&& ofport
->bundle
) {
4387 /* vlandevs are enslaved to their realdevs, so they are not allowed to
4388 * themselves be part of a bundle. */
4389 bundle_set(ofport
->up
.ofproto
, ofport
->bundle
, NULL
);
4392 ofport
->realdev_ofp_port
= realdev_ofp_port
;
4393 ofport
->vlandev_vid
= vid
;
4395 if (realdev_ofp_port
) {
4396 vsp_add(ofport
, realdev_ofp_port
, vid
);
4403 hash_realdev_vid(ofp_port_t realdev_ofp_port
, int vid
)
4405 return hash_2words(ofp_to_u16(realdev_ofp_port
), vid
);
4409 ofproto_has_vlan_splinters(const struct ofproto_dpif
*ofproto
)
4410 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4412 /* hmap_is_empty is thread safe. */
4413 return !hmap_is_empty(&ofproto
->realdev_vid_map
);
4418 vsp_realdev_to_vlandev__(const struct ofproto_dpif
*ofproto
,
4419 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
4420 OVS_REQUIRES(ofproto
->vsp_mutex
)
4422 if (!hmap_is_empty(&ofproto
->realdev_vid_map
)) {
4423 int vid
= vlan_tci_to_vid(vlan_tci
);
4424 const struct vlan_splinter
*vsp
;
4426 HMAP_FOR_EACH_WITH_HASH (vsp
, realdev_vid_node
,
4427 hash_realdev_vid(realdev_ofp_port
, vid
),
4428 &ofproto
->realdev_vid_map
) {
4429 if (vsp
->realdev_ofp_port
== realdev_ofp_port
4430 && vsp
->vid
== vid
) {
4431 return vsp
->vlandev_ofp_port
;
4435 return realdev_ofp_port
;
4438 /* Returns the OFP port number of the Linux VLAN device that corresponds to
4439 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
4440 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
4441 * 'vlan_tci' 9, it would return the port number of eth0.9.
4443 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
4444 * function just returns its 'realdev_ofp_port' argument. */
4446 vsp_realdev_to_vlandev(const struct ofproto_dpif
*ofproto
,
4447 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
4448 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4452 /* hmap_is_empty is thread safe, see if we can return immediately. */
4453 if (hmap_is_empty(&ofproto
->realdev_vid_map
)) {
4454 return realdev_ofp_port
;
4456 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4457 ret
= vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, vlan_tci
);
4458 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4462 static struct vlan_splinter
*
4463 vlandev_find(const struct ofproto_dpif
*ofproto
, ofp_port_t vlandev_ofp_port
)
4465 struct vlan_splinter
*vsp
;
4467 HMAP_FOR_EACH_WITH_HASH (vsp
, vlandev_node
,
4468 hash_ofp_port(vlandev_ofp_port
),
4469 &ofproto
->vlandev_map
) {
4470 if (vsp
->vlandev_ofp_port
== vlandev_ofp_port
) {
4478 /* Returns the OpenFlow port number of the "real" device underlying the Linux
4479 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
4480 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
4481 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
4482 * eth0 and store 9 in '*vid'.
4484 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
4485 * VLAN device. Unless VLAN splinters are enabled, this is what this function
4488 vsp_vlandev_to_realdev(const struct ofproto_dpif
*ofproto
,
4489 ofp_port_t vlandev_ofp_port
, int *vid
)
4490 OVS_REQUIRES(ofproto
->vsp_mutex
)
4492 if (!hmap_is_empty(&ofproto
->vlandev_map
)) {
4493 const struct vlan_splinter
*vsp
;
4495 vsp
= vlandev_find(ofproto
, vlandev_ofp_port
);
4500 return vsp
->realdev_ofp_port
;
4506 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
4507 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
4508 * 'flow->in_port' to the "real" device backing the VLAN device, sets
4509 * 'flow->vlan_tci' to the VLAN VID, and returns true. Otherwise (which is
4510 * always the case unless VLAN splinters are enabled), returns false without
4511 * making any changes. */
4513 vsp_adjust_flow(const struct ofproto_dpif
*ofproto
, struct flow
*flow
)
4514 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4519 /* hmap_is_empty is thread safe. */
4520 if (hmap_is_empty(&ofproto
->vlandev_map
)) {
4524 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4525 realdev
= vsp_vlandev_to_realdev(ofproto
, flow
->in_port
.ofp_port
, &vid
);
4526 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4531 /* Cause the flow to be processed as if it came in on the real device with
4532 * the VLAN device's VLAN ID. */
4533 flow
->in_port
.ofp_port
= realdev
;
4534 flow
->vlan_tci
= htons((vid
& VLAN_VID_MASK
) | VLAN_CFI
);
4539 vsp_remove(struct ofport_dpif
*port
)
4541 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
4542 struct vlan_splinter
*vsp
;
4544 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4545 vsp
= vlandev_find(ofproto
, port
->up
.ofp_port
);
4547 hmap_remove(&ofproto
->vlandev_map
, &vsp
->vlandev_node
);
4548 hmap_remove(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
);
4551 port
->realdev_ofp_port
= 0;
4553 VLOG_ERR("missing vlan device record");
4555 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4559 vsp_add(struct ofport_dpif
*port
, ofp_port_t realdev_ofp_port
, int vid
)
4561 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
4563 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4564 if (!vsp_vlandev_to_realdev(ofproto
, port
->up
.ofp_port
, NULL
)
4565 && (vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, htons(vid
))
4566 == realdev_ofp_port
)) {
4567 struct vlan_splinter
*vsp
;
4569 vsp
= xmalloc(sizeof *vsp
);
4570 vsp
->realdev_ofp_port
= realdev_ofp_port
;
4571 vsp
->vlandev_ofp_port
= port
->up
.ofp_port
;
4574 port
->realdev_ofp_port
= realdev_ofp_port
;
4576 hmap_insert(&ofproto
->vlandev_map
, &vsp
->vlandev_node
,
4577 hash_ofp_port(port
->up
.ofp_port
));
4578 hmap_insert(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
,
4579 hash_realdev_vid(realdev_ofp_port
, vid
));
4581 VLOG_ERR("duplicate vlan device record");
4583 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4587 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
4589 const struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
4590 return ofport
? ofport
->odp_port
: ODPP_NONE
;
4593 struct ofport_dpif
*
4594 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
4596 struct ofport_dpif
*port
;
4598 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
4599 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
4600 &backer
->odp_to_ofport_map
) {
4601 if (port
->odp_port
== odp_port
) {
4602 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
4607 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
4612 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
4614 struct ofport_dpif
*port
;
4616 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
4617 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
4618 return port
->up
.ofp_port
;
4625 ofproto_dpif_alloc_recirc_id(struct ofproto_dpif
*ofproto
)
4627 struct dpif_backer
*backer
= ofproto
->backer
;
4629 return recirc_id_alloc(backer
->rid_pool
);
4633 ofproto_dpif_free_recirc_id(struct ofproto_dpif
*ofproto
, uint32_t recirc_id
)
4635 struct dpif_backer
*backer
= ofproto
->backer
;
4637 recirc_id_free(backer
->rid_pool
, recirc_id
);
4640 const struct ofproto_class ofproto_dpif_class
= {
4654 NULL
, /* get_memory_usage. */
4655 type_get_memory_usage
,
4674 port_is_lacp_current
,
4675 NULL
, /* rule_choose_table */
4684 rule_modify_actions
,
4698 get_stp_port_status
,
4706 is_mirror_output_bundle
,
4707 forward_bpdu_changed
,
4708 set_mac_table_config
,
4710 NULL
, /* meter_get_features */
4711 NULL
, /* meter_set */
4712 NULL
, /* meter_get */
4713 NULL
, /* meter_del */
4714 group_alloc
, /* group_alloc */
4715 group_construct
, /* group_construct */
4716 group_destruct
, /* group_destruct */
4717 group_dealloc
, /* group_dealloc */
4718 group_modify
, /* group_modify */
4719 group_get_stats
, /* group_get_stats */