2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
23 #include "byte-order.h"
24 #include "connectivity.h"
29 #include "fail-open.h"
30 #include "guarded-list.h"
34 #include "mac-learning.h"
35 #include "mcast-snooping.h"
36 #include "multipath.h"
37 #include "netdev-vport.h"
42 #include "odp-execute.h"
43 #include "ofproto/ofproto-dpif.h"
44 #include "ofproto/ofproto-provider.h"
45 #include "ofproto-dpif-ipfix.h"
46 #include "ofproto-dpif-mirror.h"
47 #include "ofproto-dpif-monitor.h"
48 #include "ofproto-dpif-rid.h"
49 #include "ofproto-dpif-sflow.h"
50 #include "ofproto-dpif-upcall.h"
51 #include "ofproto-dpif-xlate.h"
52 #include "openvswitch/ofp-actions.h"
53 #include "openvswitch/dynamic-string.h"
54 #include "openvswitch/meta-flow.h"
55 #include "openvswitch/ofp-parse.h"
56 #include "openvswitch/ofp-print.h"
57 #include "openvswitch/ofp-util.h"
58 #include "openvswitch/ofpbuf.h"
59 #include "openvswitch/vlog.h"
62 #include "ovs-router.h"
63 #include "poll-loop.h"
69 #include "unaligned.h"
71 #include "vlan-bitmap.h"
73 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
75 COVERAGE_DEFINE(ofproto_dpif_expired
);
76 COVERAGE_DEFINE(packet_in_overflow
);
85 * - Do include packets and bytes from datapath flows which have not
86 * recently been processed by a revalidator. */
87 struct ovs_mutex stats_mutex
;
88 struct dpif_flow_stats stats OVS_GUARDED
;
90 /* In non-NULL, will point to a new rule (for which a reference is held) to
91 * which all the stats updates should be forwarded. This exists only
92 * transitionally when flows are replaced.
94 * Protected by stats_mutex. If both 'rule->stats_mutex' and
95 * 'rule->new_rule->stats_mutex' must be held together, acquire them in that
97 struct rule_dpif
*new_rule OVS_GUARDED
;
99 /* If non-zero then the recirculation id that has
100 * been allocated for use with this rule.
101 * The recirculation id and associated internal flow should
102 * be freed when the rule is freed */
106 /* RULE_CAST() depends on this. */
107 BUILD_ASSERT_DECL(offsetof(struct rule_dpif
, up
) == 0);
109 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
110 long long int *used
);
111 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
112 static void rule_expire(struct rule_dpif
*);
119 * - Do include packets and bytes from datapath flows which have not
120 * recently been processed by a revalidator. */
121 struct ovs_mutex stats_mutex
;
122 uint64_t packet_count OVS_GUARDED
; /* Number of packets received. */
123 uint64_t byte_count OVS_GUARDED
; /* Number of bytes received. */
127 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
128 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
129 void *aux
; /* Key supplied by ofproto's client. */
130 char *name
; /* Identifier for log messages. */
133 struct ovs_list ports
; /* Contains "struct ofport"s. */
134 enum port_vlan_mode vlan_mode
; /* VLAN mode */
135 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
136 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
137 * NULL if all VLANs are trunked. */
138 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
139 struct bond
*bond
; /* Nonnull iff more than one port. */
140 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
143 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
146 static void bundle_remove(struct ofport
*);
147 static void bundle_update(struct ofbundle
*);
148 static void bundle_destroy(struct ofbundle
*);
149 static void bundle_del_port(struct ofport_dpif
*);
150 static void bundle_run(struct ofbundle
*);
151 static void bundle_wait(struct ofbundle
*);
152 static void bundle_flush_macs(struct ofbundle
*, bool);
153 static void bundle_move(struct ofbundle
*, struct ofbundle
*);
155 static void stp_run(struct ofproto_dpif
*ofproto
);
156 static void stp_wait(struct ofproto_dpif
*ofproto
);
157 static int set_stp_port(struct ofport
*,
158 const struct ofproto_port_stp_settings
*);
160 static void rstp_run(struct ofproto_dpif
*ofproto
);
161 static void set_rstp_port(struct ofport
*,
162 const struct ofproto_port_rstp_settings
*);
165 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
169 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
170 struct ovs_list bundle_node
;/* In struct ofbundle's "ports" list. */
171 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
172 struct bfd
*bfd
; /* BFD, if any. */
173 struct lldp
*lldp
; /* lldp, if any. */
174 bool may_enable
; /* May be enabled in bonds. */
175 bool is_tunnel
; /* This port is a tunnel. */
176 bool is_layer3
; /* This is a layer 3 port. */
177 long long int carrier_seq
; /* Carrier status changes. */
178 struct ofport_dpif
*peer
; /* Peer if patch port. */
181 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
182 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
183 long long int stp_state_entered
;
185 /* Rapid Spanning Tree. */
186 struct rstp_port
*rstp_port
; /* Rapid Spanning Tree Protocol, if any. */
187 enum rstp_state rstp_state
; /* Always RSTP_DISABLED if RSTP not in use. */
189 /* Queue to DSCP mapping. */
190 struct ofproto_port_queue
*qdscp
;
194 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
197 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
200 static struct ofport_dpif
*
201 ofport_dpif_cast(const struct ofport
*ofport
)
203 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
206 static void port_run(struct ofport_dpif
*);
207 static int set_bfd(struct ofport
*, const struct smap
*);
208 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
209 static int set_lldp(struct ofport
*ofport_
, const struct smap
*cfg
);
210 static void ofport_update_peer(struct ofport_dpif
*);
212 /* Reasons that we might need to revalidate every datapath flow, and
213 * corresponding coverage counters.
215 * A value of 0 means that there is no need to revalidate.
217 * It would be nice to have some cleaner way to integrate with coverage
218 * counters, but with only a few reasons I guess this is good enough for
220 enum revalidate_reason
{
221 REV_RECONFIGURE
= 1, /* Switch configuration changed. */
222 REV_STP
, /* Spanning tree protocol port status change. */
223 REV_RSTP
, /* RSTP port status change. */
224 REV_BOND
, /* Bonding changed. */
225 REV_PORT_TOGGLED
, /* Port enabled or disabled by CFM, LACP, ...*/
226 REV_FLOW_TABLE
, /* Flow table changed. */
227 REV_MAC_LEARNING
, /* Mac learning changed. */
228 REV_MCAST_SNOOPING
, /* Multicast snooping changed. */
230 COVERAGE_DEFINE(rev_reconfigure
);
231 COVERAGE_DEFINE(rev_stp
);
232 COVERAGE_DEFINE(rev_rstp
);
233 COVERAGE_DEFINE(rev_bond
);
234 COVERAGE_DEFINE(rev_port_toggled
);
235 COVERAGE_DEFINE(rev_flow_table
);
236 COVERAGE_DEFINE(rev_mac_learning
);
237 COVERAGE_DEFINE(rev_mcast_snooping
);
239 /* All datapaths of a given type share a single dpif backer instance. */
246 struct ovs_rwlock odp_to_ofport_lock
;
247 struct hmap odp_to_ofport_map OVS_GUARDED
; /* Contains "struct ofport"s. */
249 struct simap tnl_backers
; /* Set of dpif ports backing tunnels. */
251 enum revalidate_reason need_revalidate
; /* Revalidate all flows. */
253 bool recv_set_enable
; /* Enables or disables receiving packets. */
255 /* Version string of the datapath stored in OVSDB. */
256 char *dp_version_string
;
258 /* Datapath feature support. */
259 struct dpif_backer_support support
;
260 struct atomic_count tnl_count
;
263 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
264 static struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
266 struct ofproto_dpif
{
267 struct hmap_node all_ofproto_dpifs_node
; /* In 'all_ofproto_dpifs'. */
269 struct dpif_backer
*backer
;
271 /* Unique identifier for this instantiation of this bridge in this running
275 ATOMIC(cls_version_t
) tables_version
; /* For classifier lookups. */
277 uint64_t dump_seq
; /* Last read of udpif_dump_seq(). */
279 /* Special OpenFlow rules. */
280 struct rule_dpif
*miss_rule
; /* Sends flow table misses to controller. */
281 struct rule_dpif
*no_packet_in_rule
; /* Drops flow table misses. */
282 struct rule_dpif
*drop_frags_rule
; /* Used in OFPUTIL_FRAG_DROP mode. */
285 struct netflow
*netflow
;
286 struct dpif_sflow
*sflow
;
287 struct dpif_ipfix
*ipfix
;
288 struct hmap bundles
; /* Contains "struct ofbundle"s. */
289 struct mac_learning
*ml
;
290 struct mcast_snooping
*ms
;
291 bool has_bonded_bundles
;
293 struct mbridge
*mbridge
;
295 struct ovs_mutex stats_mutex
;
296 struct netdev_stats stats OVS_GUARDED
; /* To account packets generated and
297 * consumed in userspace. */
301 long long int stp_last_tick
;
303 /* Rapid Spanning Tree. */
305 long long int rstp_last_tick
;
308 struct sset ports
; /* Set of standard port names. */
309 struct sset ghost_ports
; /* Ports with no datapath port. */
310 struct sset port_poll_set
; /* Queued names for port_poll() reply. */
311 int port_poll_errno
; /* Last errno for port_poll() reply. */
312 uint64_t change_seq
; /* Connectivity status changes. */
315 struct guarded_list ams
; /* Contains "struct ofproto_async_msgs"s. */
316 struct seq
*ams_seq
; /* For notifying 'ams' reception. */
320 /* All existing ofproto_dpif instances, indexed by ->up.name. */
321 static struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
323 static bool ofproto_use_tnl_push_pop
= true;
324 static void ofproto_unixctl_init(void);
326 static inline struct ofproto_dpif
*
327 ofproto_dpif_cast(const struct ofproto
*ofproto
)
329 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
330 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
334 ofproto_dpif_get_enable_ufid(const struct dpif_backer
*backer
)
336 return backer
->support
.ufid
;
339 struct dpif_backer_support
*
340 ofproto_dpif_get_support(const struct ofproto_dpif
*ofproto
)
342 return &ofproto
->backer
->support
;
345 static void ofproto_trace(struct ofproto_dpif
*, struct flow
*,
346 const struct dp_packet
*packet
,
347 const struct ofpact
[], size_t ofpacts_len
,
350 /* Global variables. */
351 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
353 /* Initial mappings of port to bridge mappings. */
354 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
356 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
359 ofproto_dpif_flow_mod(struct ofproto_dpif
*ofproto
,
360 const struct ofputil_flow_mod
*fm
)
362 struct ofproto_flow_mod ofm
;
364 /* Multiple threads may do this for the same 'fm' at the same time.
365 * Allocate ofproto_flow_mod with execution context from stack.
367 * Note: This copy could be avoided by making ofproto_flow_mod more
368 * complex, but that may not be desireable, and a learn action is not that
369 * fast to begin with. */
371 ofproto_flow_mod(&ofproto
->up
, &ofm
);
374 /* Appends 'am' to the queue of asynchronous messages to be sent to the
375 * controller. Takes ownership of 'am' and any data it points to. */
377 ofproto_dpif_send_async_msg(struct ofproto_dpif
*ofproto
,
378 struct ofproto_async_msg
*am
)
380 if (!guarded_list_push_back(&ofproto
->ams
, &am
->list_node
, 1024)) {
381 COVERAGE_INC(packet_in_overflow
);
382 ofproto_async_msg_free(am
);
385 /* Wakes up main thread for packet-in I/O. */
386 seq_change(ofproto
->ams_seq
);
389 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
390 * packet rather than to send the packet to the controller.
392 * This function returns false to indicate that a packet_in message
393 * for a "table-miss" should be sent to at least one controller.
394 * False otherwise. */
396 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif
*ofproto
)
398 return connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
);
401 /* Factory functions. */
404 init(const struct shash
*iface_hints
)
406 struct shash_node
*node
;
408 /* Make a local copy, since we don't own 'iface_hints' elements. */
409 SHASH_FOR_EACH(node
, iface_hints
) {
410 const struct iface_hint
*orig_hint
= node
->data
;
411 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
413 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
414 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
415 new_hint
->ofp_port
= orig_hint
->ofp_port
;
417 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
420 ofproto_unixctl_init();
425 enumerate_types(struct sset
*types
)
427 dp_enumerate_types(types
);
431 enumerate_names(const char *type
, struct sset
*names
)
433 struct ofproto_dpif
*ofproto
;
436 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
437 if (strcmp(type
, ofproto
->up
.type
)) {
440 sset_add(names
, ofproto
->up
.name
);
447 del(const char *type
, const char *name
)
452 error
= dpif_open(name
, type
, &dpif
);
454 error
= dpif_delete(dpif
);
461 port_open_type(const char *datapath_type
, const char *port_type
)
463 return dpif_port_open_type(datapath_type
, port_type
);
466 /* Type functions. */
468 static void process_dpif_port_changes(struct dpif_backer
*);
469 static void process_dpif_all_ports_changed(struct dpif_backer
*);
470 static void process_dpif_port_change(struct dpif_backer
*,
471 const char *devname
);
472 static void process_dpif_port_error(struct dpif_backer
*, int error
);
474 static struct ofproto_dpif
*
475 lookup_ofproto_dpif_by_port_name(const char *name
)
477 struct ofproto_dpif
*ofproto
;
479 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
480 if (sset_contains(&ofproto
->ports
, name
)) {
489 ofproto_dpif_backer_enabled(struct dpif_backer
* backer
)
491 return backer
->recv_set_enable
;
495 type_run(const char *type
)
497 struct dpif_backer
*backer
;
499 backer
= shash_find_data(&all_dpif_backers
, type
);
501 /* This is not necessarily a problem, since backers are only
502 * created on demand. */
507 if (dpif_run(backer
->dpif
)) {
508 backer
->need_revalidate
= REV_RECONFIGURE
;
511 udpif_run(backer
->udpif
);
513 /* If vswitchd started with other_config:flow_restore_wait set as "true",
514 * and the configuration has now changed to "false", enable receiving
515 * packets from the datapath. */
516 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
519 backer
->recv_set_enable
= true;
521 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
523 VLOG_ERR("Failed to enable receiving packets in dpif.");
526 dpif_flow_flush(backer
->dpif
);
527 backer
->need_revalidate
= REV_RECONFIGURE
;
530 if (backer
->recv_set_enable
) {
531 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
534 dpif_poll_threads_set(backer
->dpif
, pmd_cpu_mask
);
536 if (backer
->need_revalidate
) {
537 struct ofproto_dpif
*ofproto
;
538 struct simap_node
*node
;
539 struct simap tmp_backers
;
541 /* Handle tunnel garbage collection. */
542 simap_init(&tmp_backers
);
543 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
545 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
546 struct ofport_dpif
*iter
;
548 if (backer
!= ofproto
->backer
) {
552 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
553 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
556 if (!iter
->is_tunnel
) {
560 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
561 namebuf
, sizeof namebuf
);
562 node
= simap_find(&tmp_backers
, dp_port
);
564 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
565 simap_delete(&tmp_backers
, node
);
566 node
= simap_find(&backer
->tnl_backers
, dp_port
);
568 node
= simap_find(&backer
->tnl_backers
, dp_port
);
570 odp_port_t odp_port
= ODPP_NONE
;
572 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
574 simap_put(&backer
->tnl_backers
, dp_port
,
575 odp_to_u32(odp_port
));
576 node
= simap_find(&backer
->tnl_backers
, dp_port
);
581 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
582 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
584 ovs_native_tunneling_is_on(ofproto
), dp_port
)) {
585 backer
->need_revalidate
= REV_RECONFIGURE
;
590 SIMAP_FOR_EACH (node
, &tmp_backers
) {
591 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
593 simap_destroy(&tmp_backers
);
595 switch (backer
->need_revalidate
) {
596 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
597 case REV_STP
: COVERAGE_INC(rev_stp
); break;
598 case REV_RSTP
: COVERAGE_INC(rev_rstp
); break;
599 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
600 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
601 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
602 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
603 case REV_MCAST_SNOOPING
: COVERAGE_INC(rev_mcast_snooping
); break;
605 backer
->need_revalidate
= 0;
607 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
608 struct ofport_dpif
*ofport
;
609 struct ofbundle
*bundle
;
611 if (ofproto
->backer
!= backer
) {
616 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
617 ofproto
->backer
->dpif
, ofproto
->ml
,
618 ofproto
->stp
, ofproto
->rstp
, ofproto
->ms
,
619 ofproto
->mbridge
, ofproto
->sflow
, ofproto
->ipfix
,
621 ofproto
->up
.forward_bpdu
,
622 connmgr_has_in_band(ofproto
->up
.connmgr
),
623 &ofproto
->backer
->support
);
625 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
626 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
627 bundle
->vlan_mode
, bundle
->vlan
,
628 bundle
->trunks
, bundle
->use_priority_tags
,
629 bundle
->bond
, bundle
->lacp
,
633 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
634 int stp_port
= ofport
->stp_port
635 ? stp_port_no(ofport
->stp_port
)
637 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
638 ofport
->up
.ofp_port
, ofport
->odp_port
,
639 ofport
->up
.netdev
, ofport
->cfm
, ofport
->bfd
,
640 ofport
->lldp
, ofport
->peer
, stp_port
,
641 ofport
->rstp_port
, ofport
->qdscp
,
642 ofport
->n_qdscp
, ofport
->up
.pp
.config
,
643 ofport
->up
.pp
.state
, ofport
->is_tunnel
,
649 udpif_revalidate(backer
->udpif
);
652 process_dpif_port_changes(backer
);
657 /* Check for and handle port changes in 'backer''s dpif. */
659 process_dpif_port_changes(struct dpif_backer
*backer
)
665 error
= dpif_port_poll(backer
->dpif
, &devname
);
671 process_dpif_all_ports_changed(backer
);
675 process_dpif_port_change(backer
, devname
);
680 process_dpif_port_error(backer
, error
);
687 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
689 struct ofproto_dpif
*ofproto
;
690 struct dpif_port dpif_port
;
691 struct dpif_port_dump dump
;
692 struct sset devnames
;
695 sset_init(&devnames
);
696 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
697 if (ofproto
->backer
== backer
) {
698 struct ofport
*ofport
;
700 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
701 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
705 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
706 sset_add(&devnames
, dpif_port
.name
);
709 SSET_FOR_EACH (devname
, &devnames
) {
710 process_dpif_port_change(backer
, devname
);
712 sset_destroy(&devnames
);
716 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
718 struct ofproto_dpif
*ofproto
;
719 struct dpif_port port
;
721 /* Don't report on the datapath's device. */
722 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
726 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
727 &all_ofproto_dpifs
) {
728 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
733 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
734 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
735 /* The port was removed. If we know the datapath,
736 * report it through poll_set(). If we don't, it may be
737 * notifying us of a removal we initiated, so ignore it.
738 * If there's a pending ENOBUFS, let it stand, since
739 * everything will be reevaluated. */
740 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
741 sset_add(&ofproto
->port_poll_set
, devname
);
742 ofproto
->port_poll_errno
= 0;
744 } else if (!ofproto
) {
745 /* The port was added, but we don't know with which
746 * ofproto we should associate it. Delete it. */
747 dpif_port_del(backer
->dpif
, port
.port_no
);
749 struct ofport_dpif
*ofport
;
751 ofport
= ofport_dpif_cast(shash_find_data(
752 &ofproto
->up
.port_by_name
, devname
));
754 && ofport
->odp_port
!= port
.port_no
755 && !odp_port_to_ofport(backer
, port
.port_no
))
757 /* 'ofport''s datapath port number has changed from
758 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
759 * structures to match. */
760 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
761 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
762 ofport
->odp_port
= port
.port_no
;
763 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
764 hash_odp_port(port
.port_no
));
765 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
766 backer
->need_revalidate
= REV_RECONFIGURE
;
769 dpif_port_destroy(&port
);
772 /* Propagate 'error' to all ofprotos based on 'backer'. */
774 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
776 struct ofproto_dpif
*ofproto
;
778 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
779 if (ofproto
->backer
== backer
) {
780 sset_clear(&ofproto
->port_poll_set
);
781 ofproto
->port_poll_errno
= error
;
787 type_wait(const char *type
)
789 struct dpif_backer
*backer
;
791 backer
= shash_find_data(&all_dpif_backers
, type
);
793 /* This is not necessarily a problem, since backers are only
794 * created on demand. */
798 dpif_wait(backer
->dpif
);
801 /* Basic life-cycle. */
803 static int add_internal_flows(struct ofproto_dpif
*);
805 static struct ofproto
*
808 struct ofproto_dpif
*ofproto
= xzalloc(sizeof *ofproto
);
813 dealloc(struct ofproto
*ofproto_
)
815 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
820 close_dpif_backer(struct dpif_backer
*backer
)
822 ovs_assert(backer
->refcount
> 0);
824 if (--backer
->refcount
) {
828 udpif_destroy(backer
->udpif
);
830 simap_destroy(&backer
->tnl_backers
);
831 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
832 hmap_destroy(&backer
->odp_to_ofport_map
);
833 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
835 free(backer
->dp_version_string
);
836 dpif_close(backer
->dpif
);
840 /* Datapath port slated for removal from datapath. */
842 struct ovs_list list_node
;
846 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
847 static void check_support(struct dpif_backer
*backer
);
850 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
852 struct dpif_backer
*backer
;
853 struct dpif_port_dump port_dump
;
854 struct dpif_port port
;
855 struct shash_node
*node
;
856 struct ovs_list garbage_list
;
857 struct odp_garbage
*garbage
;
866 backer
= shash_find_data(&all_dpif_backers
, type
);
873 backer_name
= xasprintf("ovs-%s", type
);
875 /* Remove any existing datapaths, since we assume we're the only
876 * userspace controlling the datapath. */
878 dp_enumerate_names(type
, &names
);
879 SSET_FOR_EACH(name
, &names
) {
880 struct dpif
*old_dpif
;
882 /* Don't remove our backer if it exists. */
883 if (!strcmp(name
, backer_name
)) {
887 if (dpif_open(name
, type
, &old_dpif
)) {
888 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
890 dpif_delete(old_dpif
);
891 dpif_close(old_dpif
);
894 sset_destroy(&names
);
896 backer
= xmalloc(sizeof *backer
);
898 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
901 VLOG_ERR("failed to open datapath of type %s: %s", type
,
902 ovs_strerror(error
));
906 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
908 backer
->type
= xstrdup(type
);
909 backer
->refcount
= 1;
910 hmap_init(&backer
->odp_to_ofport_map
);
911 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
912 backer
->need_revalidate
= 0;
913 simap_init(&backer
->tnl_backers
);
914 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
917 if (backer
->recv_set_enable
) {
918 dpif_flow_flush(backer
->dpif
);
921 /* Loop through the ports already on the datapath and remove any
922 * that we don't need anymore. */
923 ovs_list_init(&garbage_list
);
924 dpif_port_dump_start(&port_dump
, backer
->dpif
);
925 while (dpif_port_dump_next(&port_dump
, &port
)) {
926 node
= shash_find(&init_ofp_ports
, port
.name
);
927 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
928 garbage
= xmalloc(sizeof *garbage
);
929 garbage
->odp_port
= port
.port_no
;
930 ovs_list_push_front(&garbage_list
, &garbage
->list_node
);
933 dpif_port_dump_done(&port_dump
);
935 LIST_FOR_EACH_POP (garbage
, list_node
, &garbage_list
) {
936 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
940 shash_add(&all_dpif_backers
, type
, backer
);
942 check_support(backer
);
943 atomic_count_init(&backer
->tnl_count
, 0);
945 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
947 VLOG_ERR("failed to listen on datapath of type %s: %s",
948 type
, ovs_strerror(error
));
949 close_dpif_backer(backer
);
953 if (backer
->recv_set_enable
) {
954 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
957 /* This check fails if performed before udpif threads have been set,
958 * as the kernel module checks that the 'pid' in userspace action
960 backer
->support
.variable_length_userdata
961 = check_variable_length_userdata(backer
);
962 backer
->dp_version_string
= dpif_get_dp_version(backer
->dpif
);
968 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
970 return ofproto_use_tnl_push_pop
&& ofproto
->backer
->support
.tnl_push_pop
&&
971 atomic_count_get(&ofproto
->backer
->tnl_count
);
974 /* Tests whether 'backer''s datapath supports recirculation. Only newer
975 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
976 * features on older datapaths that don't support this feature.
978 * Returns false if 'backer' definitely does not support recirculation, true if
979 * it seems to support recirculation or if at least the error we get is
982 check_recirc(struct dpif_backer
*backer
)
985 struct odputil_keybuf keybuf
;
988 struct odp_flow_key_parms odp_parms
= {
995 memset(&flow
, 0, sizeof flow
);
999 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1000 odp_flow_key_from_flow(&odp_parms
, &key
);
1001 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
1004 if (enable_recirc
) {
1005 VLOG_INFO("%s: Datapath supports recirculation",
1006 dpif_name(backer
->dpif
));
1008 VLOG_INFO("%s: Datapath does not support recirculation",
1009 dpif_name(backer
->dpif
));
1012 return enable_recirc
;
1015 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
1016 * some flow attributes for datapaths that support this feature.
1018 * Returns true if 'dpif' supports UFID for flow operations.
1019 * Returns false if 'dpif' does not support UFID. */
1021 check_ufid(struct dpif_backer
*backer
)
1024 struct odputil_keybuf keybuf
;
1028 struct odp_flow_key_parms odp_parms
= {
1032 memset(&flow
, 0, sizeof flow
);
1033 flow
.dl_type
= htons(0x1234);
1035 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1036 odp_flow_key_from_flow(&odp_parms
, &key
);
1037 dpif_flow_hash(backer
->dpif
, key
.data
, key
.size
, &ufid
);
1039 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, &ufid
);
1042 VLOG_INFO("%s: Datapath supports unique flow ids",
1043 dpif_name(backer
->dpif
));
1045 VLOG_INFO("%s: Datapath does not support unique flow ids",
1046 dpif_name(backer
->dpif
));
1051 /* Tests whether 'backer''s datapath supports variable-length
1052 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1053 * to disable some features on older datapaths that don't support this
1056 * Returns false if 'backer' definitely does not support variable-length
1057 * userdata, true if it seems to support them or if at least the error we get
1060 check_variable_length_userdata(struct dpif_backer
*backer
)
1062 struct eth_header
*eth
;
1063 struct ofpbuf actions
;
1064 struct dpif_execute execute
;
1065 struct dp_packet packet
;
1069 /* Compose a userspace action that will cause an ERANGE error on older
1070 * datapaths that don't support variable-length userdata.
1072 * We really test for using userdata longer than 8 bytes, but older
1073 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1074 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1075 * test for that instead as a proxy for longer userdata support. */
1076 ofpbuf_init(&actions
, 64);
1077 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
1078 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
1079 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
1080 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
1081 nl_msg_end_nested(&actions
, start
);
1083 /* Compose a dummy ethernet packet. */
1084 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1085 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1086 eth
->eth_type
= htons(0x1234);
1088 /* Execute the actions. On older datapaths this fails with ERANGE, on
1089 * newer datapaths it succeeds. */
1090 execute
.actions
= actions
.data
;
1091 execute
.actions_len
= actions
.size
;
1092 execute
.packet
= &packet
;
1093 execute
.needs_help
= false;
1094 execute
.probe
= true;
1097 error
= dpif_execute(backer
->dpif
, &execute
);
1099 dp_packet_uninit(&packet
);
1100 ofpbuf_uninit(&actions
);
1107 /* Variable-length userdata is not supported. */
1108 VLOG_WARN("%s: datapath does not support variable-length userdata "
1109 "feature (needs Linux 3.10+ or kernel module from OVS "
1110 "1..11+). The NXAST_SAMPLE action will be ignored.",
1111 dpif_name(backer
->dpif
));
1115 /* Something odd happened. We're not sure whether variable-length
1116 * userdata is supported. Default to "yes". */
1117 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1118 dpif_name(backer
->dpif
), ovs_strerror(error
));
1123 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1125 * Returns the number of elements in a struct flow's mpls_lse field
1126 * if the datapath supports at least that many entries in an
1128 * Otherwise returns the number of MPLS push actions supported by
1131 check_max_mpls_depth(struct dpif_backer
*backer
)
1136 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1137 struct odputil_keybuf keybuf
;
1139 struct odp_flow_key_parms odp_parms
= {
1143 memset(&flow
, 0, sizeof flow
);
1144 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1145 flow_set_mpls_bos(&flow
, n
, 1);
1147 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1148 odp_flow_key_from_flow(&odp_parms
, &key
);
1149 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
)) {
1154 VLOG_INFO("%s: MPLS label stack length probed as %d",
1155 dpif_name(backer
->dpif
), n
);
1159 /* Tests whether 'backer''s datapath supports masked data in
1160 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1161 * datapaths that don't support this feature. */
1163 check_masked_set_action(struct dpif_backer
*backer
)
1165 struct eth_header
*eth
;
1166 struct ofpbuf actions
;
1167 struct dpif_execute execute
;
1168 struct dp_packet packet
;
1170 struct ovs_key_ethernet key
, mask
;
1172 /* Compose a set action that will cause an EINVAL error on older
1173 * datapaths that don't support masked set actions.
1174 * Avoid using a full mask, as it could be translated to a non-masked
1175 * set action instead. */
1176 ofpbuf_init(&actions
, 64);
1177 memset(&key
, 0x53, sizeof key
);
1178 memset(&mask
, 0x7f, sizeof mask
);
1179 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1182 /* Compose a dummy ethernet packet. */
1183 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1184 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1185 eth
->eth_type
= htons(0x1234);
1187 /* Execute the actions. On older datapaths this fails with EINVAL, on
1188 * newer datapaths it succeeds. */
1189 execute
.actions
= actions
.data
;
1190 execute
.actions_len
= actions
.size
;
1191 execute
.packet
= &packet
;
1192 execute
.needs_help
= false;
1193 execute
.probe
= true;
1196 error
= dpif_execute(backer
->dpif
, &execute
);
1198 dp_packet_uninit(&packet
);
1199 ofpbuf_uninit(&actions
);
1202 /* Masked set action is not supported. */
1203 VLOG_INFO("%s: datapath does not support masked set action feature.",
1204 dpif_name(backer
->dpif
));
1209 #define CHECK_FEATURE__(NAME, SUPPORT, FIELD, VALUE) \
1211 check_##NAME(struct dpif_backer *backer) \
1214 struct odputil_keybuf keybuf; \
1215 struct ofpbuf key; \
1217 struct odp_flow_key_parms odp_parms = { \
1224 memset(&flow, 0, sizeof flow); \
1225 flow.FIELD = VALUE; \
1227 ofpbuf_use_stack(&key, &keybuf, sizeof keybuf); \
1228 odp_flow_key_from_flow(&odp_parms, &key); \
1229 enable = dpif_probe_feature(backer->dpif, #NAME, &key, NULL); \
1232 VLOG_INFO("%s: Datapath supports "#NAME, dpif_name(backer->dpif)); \
1234 VLOG_INFO("%s: Datapath does not support "#NAME, \
1235 dpif_name(backer->dpif)); \
1240 #define CHECK_FEATURE(FIELD) CHECK_FEATURE__(FIELD, FIELD, FIELD, 1)
1242 CHECK_FEATURE(ct_state
)
1243 CHECK_FEATURE(ct_zone
)
1244 CHECK_FEATURE(ct_mark
)
1245 CHECK_FEATURE__(ct_label
, ct_label
, ct_label
.u64
.lo
, 1)
1246 CHECK_FEATURE__(ct_state_nat
, ct_state
, ct_state
, CS_TRACKED
|CS_SRC_NAT
)
1248 #undef CHECK_FEATURE
1249 #undef CHECK_FEATURE__
1252 check_support(struct dpif_backer
*backer
)
1254 /* This feature needs to be tested after udpif threads are set. */
1255 backer
->support
.variable_length_userdata
= false;
1257 backer
->support
.odp
.recirc
= check_recirc(backer
);
1258 backer
->support
.odp
.max_mpls_depth
= check_max_mpls_depth(backer
);
1259 backer
->support
.masked_set_action
= check_masked_set_action(backer
);
1260 backer
->support
.ufid
= check_ufid(backer
);
1261 backer
->support
.tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1263 backer
->support
.odp
.ct_state
= check_ct_state(backer
);
1264 backer
->support
.odp
.ct_zone
= check_ct_zone(backer
);
1265 backer
->support
.odp
.ct_mark
= check_ct_mark(backer
);
1266 backer
->support
.odp
.ct_label
= check_ct_label(backer
);
1268 backer
->support
.odp
.ct_state_nat
= check_ct_state_nat(backer
);
1272 construct(struct ofproto
*ofproto_
)
1274 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1275 struct shash_node
*node
, *next
;
1278 /* Tunnel module can get used right after the udpif threads are running. */
1279 ofproto_tunnel_init();
1281 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1286 uuid_generate(&ofproto
->uuid
);
1287 atomic_init(&ofproto
->tables_version
, CLS_MIN_VERSION
);
1288 ofproto
->netflow
= NULL
;
1289 ofproto
->sflow
= NULL
;
1290 ofproto
->ipfix
= NULL
;
1291 ofproto
->stp
= NULL
;
1292 ofproto
->rstp
= NULL
;
1293 ofproto
->dump_seq
= 0;
1294 hmap_init(&ofproto
->bundles
);
1295 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1297 ofproto
->mbridge
= mbridge_create();
1298 ofproto
->has_bonded_bundles
= false;
1299 ofproto
->lacp_enabled
= false;
1300 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1302 guarded_list_init(&ofproto
->ams
);
1304 sset_init(&ofproto
->ports
);
1305 sset_init(&ofproto
->ghost_ports
);
1306 sset_init(&ofproto
->port_poll_set
);
1307 ofproto
->port_poll_errno
= 0;
1308 ofproto
->change_seq
= 0;
1309 ofproto
->ams_seq
= seq_create();
1310 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1313 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1314 struct iface_hint
*iface_hint
= node
->data
;
1316 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1317 /* Check if the datapath already has this port. */
1318 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1319 sset_add(&ofproto
->ports
, node
->name
);
1322 free(iface_hint
->br_name
);
1323 free(iface_hint
->br_type
);
1325 shash_delete(&init_ofp_ports
, node
);
1329 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1330 hash_string(ofproto
->up
.name
, 0));
1331 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1333 ofproto_init_tables(ofproto_
, N_TABLES
);
1334 error
= add_internal_flows(ofproto
);
1336 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1342 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1343 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1349 match_init_catchall(&match
);
1350 match_set_reg(&match
, 0, id
);
1352 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1354 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1360 add_internal_flows(struct ofproto_dpif
*ofproto
)
1362 struct ofpact_controller
*controller
;
1363 uint64_t ofpacts_stub
[128 / 8];
1364 struct ofpbuf ofpacts
;
1365 struct rule
*unused_rulep OVS_UNUSED
;
1370 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1373 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1374 controller
->max_len
= UINT16_MAX
;
1375 controller
->controller_id
= 0;
1376 controller
->reason
= OFPR_IMPLICIT_MISS
;
1377 ofpact_finish_CONTROLLER(&ofpacts
, &controller
);
1379 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1380 &ofproto
->miss_rule
);
1385 ofpbuf_clear(&ofpacts
);
1386 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1387 &ofproto
->no_packet_in_rule
);
1392 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1393 &ofproto
->drop_frags_rule
);
1398 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1399 * zero when reaching this rule.
1401 * (priority=2), recirc_id=0, actions=drop
1403 ofpbuf_clear(&ofpacts
);
1404 match_init_catchall(&match
);
1405 match_set_recirc_id(&match
, 0);
1406 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1412 destruct(struct ofproto
*ofproto_
)
1414 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1415 struct ofproto_async_msg
*am
;
1416 struct rule_dpif
*rule
;
1417 struct oftable
*table
;
1418 struct ovs_list ams
;
1420 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1422 xlate_remove_ofproto(ofproto
);
1425 /* Ensure that the upcall processing threads have no remaining references
1426 * to the ofproto or anything in it. */
1427 udpif_synchronize(ofproto
->backer
->udpif
);
1429 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1431 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1432 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1433 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1436 ofproto_group_delete_all(&ofproto
->up
);
1438 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1439 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1440 ofproto_async_msg_free(am
);
1442 guarded_list_destroy(&ofproto
->ams
);
1444 recirc_free_ofproto(ofproto
, ofproto
->up
.name
);
1446 mbridge_unref(ofproto
->mbridge
);
1448 netflow_unref(ofproto
->netflow
);
1449 dpif_sflow_unref(ofproto
->sflow
);
1450 dpif_ipfix_unref(ofproto
->ipfix
);
1451 hmap_destroy(&ofproto
->bundles
);
1452 mac_learning_unref(ofproto
->ml
);
1453 mcast_snooping_unref(ofproto
->ms
);
1455 sset_destroy(&ofproto
->ports
);
1456 sset_destroy(&ofproto
->ghost_ports
);
1457 sset_destroy(&ofproto
->port_poll_set
);
1459 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1461 seq_destroy(ofproto
->ams_seq
);
1463 close_dpif_backer(ofproto
->backer
);
1467 run(struct ofproto
*ofproto_
)
1469 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1470 uint64_t new_seq
, new_dump_seq
;
1472 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1473 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1474 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1475 mac_learning_flush(ofproto
->ml
);
1476 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1477 mcast_snooping_mdb_flush(ofproto
->ms
);
1480 /* Always updates the ofproto->ams_seqno to avoid frequent wakeup during
1481 * flow restore. Even though nothing is processed during flow restore,
1482 * all queued 'ams' will be handled immediately when flow restore
1484 ofproto
->ams_seqno
= seq_read(ofproto
->ams_seq
);
1486 /* Do not perform any periodic activity required by 'ofproto' while
1487 * waiting for flow restore to complete. */
1488 if (!ofproto_get_flow_restore_wait()) {
1489 struct ofproto_async_msg
*am
;
1490 struct ovs_list ams
;
1492 guarded_list_pop_all(&ofproto
->ams
, &ams
);
1493 LIST_FOR_EACH_POP (am
, list_node
, &ams
) {
1494 connmgr_send_async_msg(ofproto
->up
.connmgr
, am
);
1495 ofproto_async_msg_free(am
);
1499 if (ofproto
->netflow
) {
1500 netflow_run(ofproto
->netflow
);
1502 if (ofproto
->sflow
) {
1503 dpif_sflow_run(ofproto
->sflow
);
1505 if (ofproto
->ipfix
) {
1506 dpif_ipfix_run(ofproto
->ipfix
);
1509 new_seq
= seq_read(connectivity_seq_get());
1510 if (ofproto
->change_seq
!= new_seq
) {
1511 struct ofport_dpif
*ofport
;
1513 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1517 ofproto
->change_seq
= new_seq
;
1519 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1520 struct ofbundle
*bundle
;
1522 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1529 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1530 if (mac_learning_run(ofproto
->ml
)) {
1531 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1533 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1535 if (mcast_snooping_run(ofproto
->ms
)) {
1536 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1539 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1540 if (ofproto
->dump_seq
!= new_dump_seq
) {
1541 struct rule
*rule
, *next_rule
;
1543 /* We know stats are relatively fresh, so now is a good time to do some
1545 ofproto
->dump_seq
= new_dump_seq
;
1547 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1549 ovs_mutex_lock(&ofproto_mutex
);
1550 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1551 &ofproto
->up
.expirable
) {
1552 rule_expire(rule_dpif_cast(rule
));
1554 ovs_mutex_unlock(&ofproto_mutex
);
1556 /* All outstanding data in existing flows has been accounted, so it's a
1557 * good time to do bond rebalancing. */
1558 if (ofproto
->has_bonded_bundles
) {
1559 struct ofbundle
*bundle
;
1561 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1563 bond_rebalance(bundle
->bond
);
1572 ofproto_dpif_wait(struct ofproto
*ofproto_
)
1574 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1576 if (ofproto_get_flow_restore_wait()) {
1580 if (ofproto
->sflow
) {
1581 dpif_sflow_wait(ofproto
->sflow
);
1583 if (ofproto
->ipfix
) {
1584 dpif_ipfix_wait(ofproto
->ipfix
);
1586 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1587 struct ofbundle
*bundle
;
1589 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1590 bundle_wait(bundle
);
1593 if (ofproto
->netflow
) {
1594 netflow_wait(ofproto
->netflow
);
1596 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1597 mac_learning_wait(ofproto
->ml
);
1598 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1599 mcast_snooping_wait(ofproto
->ms
);
1601 if (ofproto
->backer
->need_revalidate
) {
1602 poll_immediate_wake();
1605 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1606 seq_wait(ofproto
->ams_seq
, ofproto
->ams_seqno
);
1610 type_get_memory_usage(const char *type
, struct simap
*usage
)
1612 struct dpif_backer
*backer
;
1614 backer
= shash_find_data(&all_dpif_backers
, type
);
1616 udpif_get_memory_usage(backer
->udpif
, usage
);
1621 flush(struct ofproto
*ofproto_
)
1623 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1624 struct dpif_backer
*backer
= ofproto
->backer
;
1627 udpif_flush(backer
->udpif
);
1632 query_tables(struct ofproto
*ofproto
,
1633 struct ofputil_table_features
*features
,
1634 struct ofputil_table_stats
*stats
)
1636 strcpy(features
->name
, "classifier");
1641 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1642 unsigned long missed
, matched
;
1644 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1645 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1647 stats
[i
].matched_count
= matched
;
1648 stats
[i
].lookup_count
= matched
+ missed
;
1654 set_tables_version(struct ofproto
*ofproto_
, cls_version_t version
)
1656 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1658 atomic_store_relaxed(&ofproto
->tables_version
, version
);
1662 static struct ofport
*
1665 struct ofport_dpif
*port
= xzalloc(sizeof *port
);
1670 port_dealloc(struct ofport
*port_
)
1672 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1677 port_construct(struct ofport
*port_
)
1679 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1680 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1681 const struct netdev
*netdev
= port
->up
.netdev
;
1682 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1683 const char *dp_port_name
;
1684 struct dpif_port dpif_port
;
1687 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1688 port
->bundle
= NULL
;
1692 port
->may_enable
= false;
1693 port
->stp_port
= NULL
;
1694 port
->stp_state
= STP_DISABLED
;
1695 port
->rstp_port
= NULL
;
1696 port
->rstp_state
= RSTP_DISABLED
;
1697 port
->is_tunnel
= false;
1701 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1702 port
->is_layer3
= netdev_vport_is_layer3(netdev
);
1704 if (netdev_vport_is_patch(netdev
)) {
1705 /* By bailing out here, we don't submit the port to the sFlow module
1706 * to be considered for counter polling export. This is correct
1707 * because the patch port represents an interface that sFlow considers
1708 * to be "internal" to the switch as a whole, and therefore not a
1709 * candidate for counter polling. */
1710 port
->odp_port
= ODPP_NONE
;
1711 ofport_update_peer(port
);
1715 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1716 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
, dp_port_name
,
1722 port
->odp_port
= dpif_port
.port_no
;
1724 if (netdev_get_tunnel_config(netdev
)) {
1725 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1726 error
= tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1727 ovs_native_tunneling_is_on(ofproto
), dp_port_name
);
1729 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1730 dpif_port_destroy(&dpif_port
);
1734 port
->is_tunnel
= true;
1735 if (ofproto
->ipfix
) {
1736 dpif_ipfix_add_tunnel_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1739 /* Sanity-check that a mapping doesn't already exist. This
1740 * shouldn't happen for non-tunnel ports. */
1741 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1742 VLOG_ERR("port %s already has an OpenFlow port number",
1744 dpif_port_destroy(&dpif_port
);
1748 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1749 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1750 hash_odp_port(port
->odp_port
));
1751 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1753 dpif_port_destroy(&dpif_port
);
1755 if (ofproto
->sflow
) {
1756 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1763 port_destruct(struct ofport
*port_
, bool del
)
1765 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1766 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1767 const char *devname
= netdev_get_name(port
->up
.netdev
);
1768 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1769 const char *dp_port_name
;
1771 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1773 xlate_ofport_remove(port
);
1776 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1778 if (del
&& dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1779 /* The underlying device is still there, so delete it. This
1780 * happens when the ofproto is being destroyed, since the caller
1781 * assumes that removal of attached ports will happen as part of
1783 if (!port
->is_tunnel
) {
1784 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1789 port
->peer
->peer
= NULL
;
1793 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1794 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1795 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1796 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1799 if (port
->is_tunnel
) {
1800 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1803 if (port
->is_tunnel
&& ofproto
->ipfix
) {
1804 dpif_ipfix_del_tunnel_port(ofproto
->ipfix
, port
->odp_port
);
1808 sset_find_and_delete(&ofproto
->ports
, devname
);
1809 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1810 bundle_remove(port_
);
1811 set_cfm(port_
, NULL
);
1812 set_bfd(port_
, NULL
);
1813 set_lldp(port_
, NULL
);
1814 if (port
->stp_port
) {
1815 stp_port_disable(port
->stp_port
);
1817 set_rstp_port(port_
, NULL
);
1818 if (ofproto
->sflow
) {
1819 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1826 port_modified(struct ofport
*port_
)
1828 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1829 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1830 const char *dp_port_name
;
1831 struct netdev
*netdev
= port
->up
.netdev
;
1833 if (port
->bundle
&& port
->bundle
->bond
) {
1834 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1838 cfm_set_netdev(port
->cfm
, netdev
);
1842 bfd_set_netdev(port
->bfd
, netdev
);
1845 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1846 port
->lldp
, &port
->up
.pp
.hw_addr
);
1848 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1850 if (port
->is_tunnel
) {
1851 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1853 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
,
1854 ovs_native_tunneling_is_on(ofproto
),
1856 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1860 ofport_update_peer(port
);
1864 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1866 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1867 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1868 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1870 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
1871 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
1872 OFPUTIL_PC_NO_PACKET_IN
)) {
1873 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1875 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
1876 bundle_update(port
->bundle
);
1882 set_sflow(struct ofproto
*ofproto_
,
1883 const struct ofproto_sflow_options
*sflow_options
)
1885 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1886 struct dpif_sflow
*ds
= ofproto
->sflow
;
1888 if (sflow_options
) {
1889 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
1891 struct ofport_dpif
*ofport
;
1893 ds
= ofproto
->sflow
= dpif_sflow_create();
1894 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1895 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
1898 dpif_sflow_set_options(ds
, sflow_options
);
1899 if (dpif_sflow_get_probability(ds
) != old_probability
) {
1900 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1904 dpif_sflow_unref(ds
);
1905 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1906 ofproto
->sflow
= NULL
;
1914 struct ofproto
*ofproto_
,
1915 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
1916 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
1917 size_t n_flow_exporters_options
)
1919 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1920 struct dpif_ipfix
*di
= ofproto
->ipfix
;
1921 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
1922 bool new_di
= false;
1924 if (has_options
&& !di
) {
1925 di
= ofproto
->ipfix
= dpif_ipfix_create();
1930 /* Call set_options in any case to cleanly flush the flow
1931 * caches in the last exporters that are to be destroyed. */
1932 dpif_ipfix_set_options(
1933 di
, bridge_exporter_options
, flow_exporters_options
,
1934 n_flow_exporters_options
);
1936 /* Add tunnel ports only when a new ipfix created */
1937 if (new_di
== true) {
1938 struct ofport_dpif
*ofport
;
1939 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1940 if (ofport
->is_tunnel
== true) {
1941 dpif_ipfix_add_tunnel_port(di
, &ofport
->up
, ofport
->odp_port
);
1947 dpif_ipfix_unref(di
);
1948 ofproto
->ipfix
= NULL
;
1956 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
1958 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1959 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1960 struct cfm
*old
= ofport
->cfm
;
1965 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
1968 if (cfm_configure(ofport
->cfm
, s
)) {
1975 cfm_unref(ofport
->cfm
);
1978 if (ofport
->cfm
!= old
) {
1979 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1981 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1982 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
1987 cfm_status_changed(struct ofport
*ofport_
)
1989 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1991 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
1995 get_cfm_status(const struct ofport
*ofport_
,
1996 struct cfm_status
*status
)
1998 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2002 cfm_get_status(ofport
->cfm
, status
);
2011 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
2013 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
2014 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2018 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
2019 cfg
, ofport
->up
.netdev
);
2020 if (ofport
->bfd
!= old
) {
2021 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2023 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2024 ofport
->lldp
, &ofport
->up
.pp
.hw_addr
);
2029 bfd_status_changed(struct ofport
*ofport_
)
2031 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2033 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
2037 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
2039 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2043 bfd_get_status(ofport
->bfd
, smap
);
2052 set_lldp(struct ofport
*ofport_
,
2053 const struct smap
*cfg
)
2055 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2059 if (!ofport
->lldp
) {
2060 struct ofproto_dpif
*ofproto
;
2062 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2063 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2064 ofport
->lldp
= lldp_create(ofport
->up
.netdev
, ofport_
->mtu
, cfg
);
2067 if (!lldp_configure(ofport
->lldp
, cfg
)) {
2072 lldp_unref(ofport
->lldp
);
2073 ofport
->lldp
= NULL
;
2076 ofproto_dpif_monitor_port_update(ofport
,
2080 &ofport
->up
.pp
.hw_addr
);
2085 get_lldp_status(const struct ofport
*ofport_
,
2086 struct lldp_status
*status OVS_UNUSED
)
2088 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2090 return ofport
->lldp
? true : false;
2094 set_aa(struct ofproto
*ofproto OVS_UNUSED
,
2095 const struct aa_settings
*s
)
2097 return aa_configure(s
);
2101 aa_mapping_set(struct ofproto
*ofproto_ OVS_UNUSED
, void *aux
,
2102 const struct aa_mapping_settings
*s
)
2104 return aa_mapping_register(aux
, s
);
2108 aa_mapping_unset(struct ofproto
*ofproto OVS_UNUSED
, void *aux
)
2110 return aa_mapping_unregister(aux
);
2114 aa_vlan_get_queued(struct ofproto
*ofproto OVS_UNUSED
, struct ovs_list
*list
)
2116 return aa_get_vlan_queued(list
);
2120 aa_vlan_get_queue_size(struct ofproto
*ofproto OVS_UNUSED
)
2122 return aa_get_vlan_queue_size();
2126 /* Spanning Tree. */
2128 /* Called while rstp_mutex is held. */
2130 rstp_send_bpdu_cb(struct dp_packet
*pkt
, void *ofport_
, void *ofproto_
)
2132 struct ofproto_dpif
*ofproto
= ofproto_
;
2133 struct ofport_dpif
*ofport
= ofport_
;
2134 struct eth_header
*eth
= dp_packet_l2(pkt
);
2136 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2137 if (eth_addr_is_zero(eth
->eth_src
)) {
2138 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2139 "does not have a configured source MAC address.",
2140 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2142 ofproto_dpif_send_packet(ofport
, pkt
);
2144 dp_packet_delete(pkt
);
2148 send_bpdu_cb(struct dp_packet
*pkt
, int port_num
, void *ofproto_
)
2150 struct ofproto_dpif
*ofproto
= ofproto_
;
2151 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2152 struct ofport_dpif
*ofport
;
2154 ofport
= stp_port_get_aux(sp
);
2156 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2157 ofproto
->up
.name
, port_num
);
2159 struct eth_header
*eth
= dp_packet_l2(pkt
);
2161 netdev_get_etheraddr(ofport
->up
.netdev
, ð
->eth_src
);
2162 if (eth_addr_is_zero(eth
->eth_src
)) {
2163 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2164 "with unknown MAC", ofproto
->up
.name
, port_num
);
2166 ofproto_dpif_send_packet(ofport
, pkt
);
2169 dp_packet_delete(pkt
);
2172 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2174 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2176 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2178 /* Only revalidate flows if the configuration changed. */
2179 if (!s
!= !ofproto
->rstp
) {
2180 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2184 if (!ofproto
->rstp
) {
2185 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2186 rstp_send_bpdu_cb
, ofproto
);
2187 ofproto
->rstp_last_tick
= time_msec();
2189 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2190 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2191 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2192 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2193 s
->force_protocol_version
);
2194 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2195 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2196 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2197 s
->transmit_hold_count
);
2199 struct ofport
*ofport
;
2200 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2201 set_rstp_port(ofport
, NULL
);
2203 rstp_unref(ofproto
->rstp
);
2204 ofproto
->rstp
= NULL
;
2209 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2211 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2213 if (ofproto
->rstp
) {
2215 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2216 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2217 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2218 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2219 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2220 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2227 update_rstp_port_state(struct ofport_dpif
*ofport
)
2229 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2230 enum rstp_state state
;
2232 /* Figure out new state. */
2233 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2237 if (ofport
->rstp_state
!= state
) {
2238 enum ofputil_port_state of_state
;
2241 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2242 netdev_get_name(ofport
->up
.netdev
),
2243 rstp_state_name(ofport
->rstp_state
),
2244 rstp_state_name(state
));
2246 if (rstp_learn_in_state(ofport
->rstp_state
)
2247 != rstp_learn_in_state(state
)) {
2248 /* XXX: Learning action flows should also be flushed. */
2249 if (ofport
->bundle
) {
2250 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2251 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2252 bundle_flush_macs(ofport
->bundle
, false);
2256 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2257 != rstp_forward_in_state(state
);
2259 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2260 ofport
->rstp_state
= state
;
2262 if (fwd_change
&& ofport
->bundle
) {
2263 bundle_update(ofport
->bundle
);
2266 /* Update the RSTP state bits in the OpenFlow port description. */
2267 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2268 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2269 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2270 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2272 ofproto_port_set_state(&ofport
->up
, of_state
);
2277 rstp_run(struct ofproto_dpif
*ofproto
)
2279 if (ofproto
->rstp
) {
2280 long long int now
= time_msec();
2281 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2282 struct rstp_port
*rp
;
2283 struct ofport_dpif
*ofport
;
2285 /* Every second, decrease the values of the timers. */
2286 if (elapsed
>= 1000) {
2287 rstp_tick_timers(ofproto
->rstp
);
2288 ofproto
->rstp_last_tick
= now
;
2291 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2292 update_rstp_port_state(ofport
);
2296 /* FIXME: This check should be done on-event (i.e., when setting
2297 * p->fdb_flush) and not periodically.
2299 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2300 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2301 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2302 bundle_flush_macs(ofport
->bundle
, false);
2306 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2307 struct ofport_dpif
*old_root_aux
=
2308 (struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
);
2309 struct ofport_dpif
*new_root_aux
=
2310 (struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
);
2311 if (old_root_aux
!= NULL
&& new_root_aux
!= NULL
) {
2312 bundle_move(old_root_aux
->bundle
, new_root_aux
->bundle
);
2313 rstp_reset_root_changed(ofproto
->rstp
);
2319 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2321 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2323 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2325 /* Only revalidate flows if the configuration changed. */
2326 if (!s
!= !ofproto
->stp
) {
2327 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2331 if (!ofproto
->stp
) {
2332 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2333 send_bpdu_cb
, ofproto
);
2334 ofproto
->stp_last_tick
= time_msec();
2337 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2338 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2339 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2340 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2341 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2343 struct ofport
*ofport
;
2345 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2346 set_stp_port(ofport
, NULL
);
2349 stp_unref(ofproto
->stp
);
2350 ofproto
->stp
= NULL
;
2357 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2359 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2363 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2364 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2365 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2374 update_stp_port_state(struct ofport_dpif
*ofport
)
2376 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2377 enum stp_state state
;
2379 /* Figure out new state. */
2380 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2384 if (ofport
->stp_state
!= state
) {
2385 enum ofputil_port_state of_state
;
2388 VLOG_DBG("port %s: STP state changed from %s to %s",
2389 netdev_get_name(ofport
->up
.netdev
),
2390 stp_state_name(ofport
->stp_state
),
2391 stp_state_name(state
));
2392 if (stp_learn_in_state(ofport
->stp_state
)
2393 != stp_learn_in_state(state
)) {
2394 /* xxx Learning action flows should also be flushed. */
2395 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2396 mac_learning_flush(ofproto
->ml
);
2397 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2398 mcast_snooping_mdb_flush(ofproto
->ms
);
2400 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2401 != stp_forward_in_state(state
);
2403 ofproto
->backer
->need_revalidate
= REV_STP
;
2404 ofport
->stp_state
= state
;
2405 ofport
->stp_state_entered
= time_msec();
2407 if (fwd_change
&& ofport
->bundle
) {
2408 bundle_update(ofport
->bundle
);
2411 /* Update the STP state bits in the OpenFlow port description. */
2412 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2413 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2414 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2415 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2416 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2418 ofproto_port_set_state(&ofport
->up
, of_state
);
2422 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2423 * caller is responsible for assigning STP port numbers and ensuring
2424 * there are no duplicates. */
2426 set_stp_port(struct ofport
*ofport_
,
2427 const struct ofproto_port_stp_settings
*s
)
2429 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2430 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2431 struct stp_port
*sp
= ofport
->stp_port
;
2433 if (!s
|| !s
->enable
) {
2435 ofport
->stp_port
= NULL
;
2436 stp_port_disable(sp
);
2437 update_stp_port_state(ofport
);
2440 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2441 && ofport
== stp_port_get_aux(sp
)) {
2442 /* The port-id changed, so disable the old one if it's not
2443 * already in use by another port. */
2444 stp_port_disable(sp
);
2447 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2449 /* Set name before enabling the port so that debugging messages can print
2451 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2452 stp_port_enable(sp
);
2454 stp_port_set_aux(sp
, ofport
);
2455 stp_port_set_priority(sp
, s
->priority
);
2456 stp_port_set_path_cost(sp
, s
->path_cost
);
2458 update_stp_port_state(ofport
);
2464 get_stp_port_status(struct ofport
*ofport_
,
2465 struct ofproto_port_stp_status
*s
)
2467 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2468 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2469 struct stp_port
*sp
= ofport
->stp_port
;
2471 if (!ofproto
->stp
|| !sp
) {
2477 s
->port_id
= stp_port_get_id(sp
);
2478 s
->state
= stp_port_get_state(sp
);
2479 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2480 s
->role
= stp_port_get_role(sp
);
2486 get_stp_port_stats(struct ofport
*ofport_
,
2487 struct ofproto_port_stp_stats
*s
)
2489 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2490 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2491 struct stp_port
*sp
= ofport
->stp_port
;
2493 if (!ofproto
->stp
|| !sp
) {
2499 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2505 stp_run(struct ofproto_dpif
*ofproto
)
2508 long long int now
= time_msec();
2509 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2510 struct stp_port
*sp
;
2513 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2514 ofproto
->stp_last_tick
= now
;
2516 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2517 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2520 update_stp_port_state(ofport
);
2524 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2525 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2526 mac_learning_flush(ofproto
->ml
);
2527 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2528 mcast_snooping_mdb_flush(ofproto
->ms
);
2534 stp_wait(struct ofproto_dpif
*ofproto
)
2537 poll_timer_wait(1000);
2541 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2542 * caller is responsible for assigning RSTP port numbers and ensuring
2543 * there are no duplicates. */
2545 set_rstp_port(struct ofport
*ofport_
,
2546 const struct ofproto_port_rstp_settings
*s
)
2548 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2549 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2550 struct rstp_port
*rp
= ofport
->rstp_port
;
2552 if (!s
|| !s
->enable
) {
2554 rstp_port_set_aux(rp
, NULL
);
2555 rstp_port_set_state(rp
, RSTP_DISABLED
);
2556 rstp_port_set_mac_operational(rp
, false);
2557 ofport
->rstp_port
= NULL
;
2558 rstp_port_unref(rp
);
2559 update_rstp_port_state(ofport
);
2564 /* Check if need to add a new port. */
2566 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2569 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2570 s
->admin_edge_port
, s
->auto_edge
,
2571 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2573 update_rstp_port_state(ofport
);
2574 /* Synchronize operational status. */
2575 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2579 get_rstp_port_status(struct ofport
*ofport_
,
2580 struct ofproto_port_rstp_status
*s
)
2582 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2583 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2584 struct rstp_port
*rp
= ofport
->rstp_port
;
2586 if (!ofproto
->rstp
|| !rp
) {
2592 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2593 &s
->designated_bridge_id
, &s
->designated_port_id
,
2594 &s
->designated_path_cost
, &s
->tx_count
,
2595 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2600 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2603 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2604 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2606 if (ofport
->n_qdscp
!= n_qdscp
2607 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2608 n_qdscp
* sizeof *qdscp
))) {
2609 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2610 free(ofport
->qdscp
);
2611 ofport
->qdscp
= n_qdscp
2612 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2614 ofport
->n_qdscp
= n_qdscp
;
2622 /* Expires all MAC learning entries associated with 'bundle' and forces its
2623 * ofproto to revalidate every flow.
2625 * Normally MAC learning entries are removed only from the ofproto associated
2626 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2627 * are removed from every ofproto. When patch ports and SLB bonds are in use
2628 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2629 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2630 * with the host from which it migrated. */
2632 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2634 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2635 struct mac_learning
*ml
= ofproto
->ml
;
2636 struct mac_entry
*mac
, *next_mac
;
2638 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2639 ovs_rwlock_wrlock(&ml
->rwlock
);
2640 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2641 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2643 struct ofproto_dpif
*o
;
2645 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2647 struct mac_entry
*e
;
2649 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2650 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2652 mac_learning_expire(o
->ml
, e
);
2654 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2659 mac_learning_expire(ml
, mac
);
2662 ovs_rwlock_unlock(&ml
->rwlock
);
2666 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2668 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2669 struct mac_learning
*ml
= ofproto
->ml
;
2670 struct mac_entry
*mac
, *next_mac
;
2672 ovs_assert(new->ofproto
== old
->ofproto
);
2674 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2675 ovs_rwlock_wrlock(&ml
->rwlock
);
2676 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2677 if (mac_entry_get_port(ml
, mac
) == old
) {
2678 mac_entry_set_port(ml
, mac
, new);
2681 ovs_rwlock_unlock(&ml
->rwlock
);
2684 static struct ofbundle
*
2685 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2687 struct ofbundle
*bundle
;
2689 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2690 &ofproto
->bundles
) {
2691 if (bundle
->aux
== aux
) {
2699 bundle_update(struct ofbundle
*bundle
)
2701 struct ofport_dpif
*port
;
2703 bundle
->floodable
= true;
2704 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2705 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2707 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2708 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2709 bundle
->floodable
= false;
2716 bundle_del_port(struct ofport_dpif
*port
)
2718 struct ofbundle
*bundle
= port
->bundle
;
2720 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2722 ovs_list_remove(&port
->bundle_node
);
2723 port
->bundle
= NULL
;
2726 lacp_slave_unregister(bundle
->lacp
, port
);
2729 bond_slave_unregister(bundle
->bond
, port
);
2732 bundle_update(bundle
);
2736 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2737 struct lacp_slave_settings
*lacp
)
2739 struct ofport_dpif
*port
;
2741 port
= ofp_port_to_ofport(bundle
->ofproto
, ofp_port
);
2746 if (port
->bundle
!= bundle
) {
2747 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2749 bundle_remove(&port
->up
);
2752 port
->bundle
= bundle
;
2753 ovs_list_push_back(&bundle
->ports
, &port
->bundle_node
);
2754 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2756 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2757 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2758 bundle
->floodable
= false;
2762 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2763 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2770 bundle_destroy(struct ofbundle
*bundle
)
2772 struct ofproto_dpif
*ofproto
;
2773 struct ofport_dpif
*port
, *next_port
;
2779 ofproto
= bundle
->ofproto
;
2780 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2783 xlate_bundle_remove(bundle
);
2786 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2787 bundle_del_port(port
);
2790 bundle_flush_macs(bundle
, true);
2791 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2793 free(bundle
->trunks
);
2794 lacp_unref(bundle
->lacp
);
2795 bond_unref(bundle
->bond
);
2800 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2801 const struct ofproto_bundle_settings
*s
)
2803 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2804 bool need_flush
= false;
2805 struct ofport_dpif
*port
;
2806 struct ofbundle
*bundle
;
2807 unsigned long *trunks
;
2813 bundle_destroy(bundle_lookup(ofproto
, aux
));
2817 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
2818 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
2820 bundle
= bundle_lookup(ofproto
, aux
);
2822 bundle
= xmalloc(sizeof *bundle
);
2824 bundle
->ofproto
= ofproto
;
2825 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
2826 hash_pointer(aux
, 0));
2828 bundle
->name
= NULL
;
2830 ovs_list_init(&bundle
->ports
);
2831 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
2833 bundle
->trunks
= NULL
;
2834 bundle
->use_priority_tags
= s
->use_priority_tags
;
2835 bundle
->lacp
= NULL
;
2836 bundle
->bond
= NULL
;
2838 bundle
->floodable
= true;
2839 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
2842 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
2844 bundle
->name
= xstrdup(s
->name
);
2849 ofproto
->lacp_enabled
= true;
2850 if (!bundle
->lacp
) {
2851 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2852 bundle
->lacp
= lacp_create();
2854 lacp_configure(bundle
->lacp
, s
->lacp
);
2856 lacp_unref(bundle
->lacp
);
2857 bundle
->lacp
= NULL
;
2860 /* Update set of ports. */
2862 for (i
= 0; i
< s
->n_slaves
; i
++) {
2863 if (!bundle_add_port(bundle
, s
->slaves
[i
],
2864 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
2868 if (!ok
|| ovs_list_size(&bundle
->ports
) != s
->n_slaves
) {
2869 struct ofport_dpif
*next_port
;
2871 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2872 for (i
= 0; i
< s
->n_slaves
; i
++) {
2873 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
2878 bundle_del_port(port
);
2882 ovs_assert(ovs_list_size(&bundle
->ports
) <= s
->n_slaves
);
2884 if (ovs_list_is_empty(&bundle
->ports
)) {
2885 bundle_destroy(bundle
);
2889 /* Set VLAN tagging mode */
2890 if (s
->vlan_mode
!= bundle
->vlan_mode
2891 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
2892 bundle
->vlan_mode
= s
->vlan_mode
;
2893 bundle
->use_priority_tags
= s
->use_priority_tags
;
2898 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
2899 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
2901 if (vlan
!= bundle
->vlan
) {
2902 bundle
->vlan
= vlan
;
2906 /* Get trunked VLANs. */
2907 switch (s
->vlan_mode
) {
2908 case PORT_VLAN_ACCESS
:
2912 case PORT_VLAN_TRUNK
:
2913 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2916 case PORT_VLAN_NATIVE_UNTAGGED
:
2917 case PORT_VLAN_NATIVE_TAGGED
:
2918 if (vlan
!= 0 && (!s
->trunks
2919 || !bitmap_is_set(s
->trunks
, vlan
)
2920 || bitmap_is_set(s
->trunks
, 0))) {
2921 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2923 trunks
= bitmap_clone(s
->trunks
, 4096);
2925 trunks
= bitmap_allocate1(4096);
2927 bitmap_set1(trunks
, vlan
);
2928 bitmap_set0(trunks
, 0);
2930 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2937 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
2938 free(bundle
->trunks
);
2939 if (trunks
== s
->trunks
) {
2940 bundle
->trunks
= vlan_bitmap_clone(trunks
);
2942 bundle
->trunks
= trunks
;
2947 if (trunks
!= s
->trunks
) {
2952 if (!ovs_list_is_short(&bundle
->ports
)) {
2953 bundle
->ofproto
->has_bonded_bundles
= true;
2955 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
2956 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2959 bundle
->bond
= bond_create(s
->bond
, ofproto
);
2960 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2963 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2964 bond_slave_register(bundle
->bond
, port
,
2965 port
->up
.ofp_port
, port
->up
.netdev
);
2968 bond_unref(bundle
->bond
);
2969 bundle
->bond
= NULL
;
2972 /* If we changed something that would affect MAC learning, un-learn
2973 * everything on this port and force flow revalidation. */
2975 bundle_flush_macs(bundle
, false);
2982 bundle_remove(struct ofport
*port_
)
2984 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2985 struct ofbundle
*bundle
= port
->bundle
;
2988 bundle_del_port(port
);
2989 if (ovs_list_is_empty(&bundle
->ports
)) {
2990 bundle_destroy(bundle
);
2991 } else if (ovs_list_is_short(&bundle
->ports
)) {
2992 bond_unref(bundle
->bond
);
2993 bundle
->bond
= NULL
;
2999 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
3001 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
3002 struct ofport_dpif
*port
= port_
;
3006 error
= netdev_get_etheraddr(port
->up
.netdev
, &ea
);
3008 struct dp_packet packet
;
3011 dp_packet_init(&packet
, 0);
3012 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
3014 memcpy(packet_pdu
, pdu
, pdu_size
);
3016 ofproto_dpif_send_packet(port
, &packet
);
3017 dp_packet_uninit(&packet
);
3019 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
3020 "%s (%s)", port
->bundle
->name
,
3021 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
3026 bundle_send_learning_packets(struct ofbundle
*bundle
)
3028 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
3029 int error
, n_packets
, n_errors
;
3030 struct mac_entry
*e
;
3032 struct ovs_list list_node
;
3033 struct ofport_dpif
*port
;
3034 struct dp_packet
*pkt
;
3036 struct ovs_list packets
;
3038 ovs_list_init(&packets
);
3039 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3040 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3041 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
3042 pkt_node
= xmalloc(sizeof *pkt_node
);
3043 pkt_node
->pkt
= bond_compose_learning_packet(bundle
->bond
,
3045 (void **)&pkt_node
->port
);
3046 ovs_list_push_back(&packets
, &pkt_node
->list_node
);
3049 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3051 error
= n_packets
= n_errors
= 0;
3052 LIST_FOR_EACH_POP (pkt_node
, list_node
, &packets
) {
3055 ret
= ofproto_dpif_send_packet(pkt_node
->port
, pkt_node
->pkt
);
3056 dp_packet_delete(pkt_node
->pkt
);
3066 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3067 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
3068 "packets, last error was: %s",
3069 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
3071 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3072 bundle
->name
, n_packets
);
3077 bundle_run(struct ofbundle
*bundle
)
3080 lacp_run(bundle
->lacp
, send_pdu_cb
);
3083 struct ofport_dpif
*port
;
3085 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3086 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3089 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3090 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3093 if (bond_should_send_learning_packets(bundle
->bond
)) {
3094 bundle_send_learning_packets(bundle
);
3100 bundle_wait(struct ofbundle
*bundle
)
3103 lacp_wait(bundle
->lacp
);
3106 bond_wait(bundle
->bond
);
3113 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3114 const struct ofproto_mirror_settings
*s
)
3116 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3117 struct ofbundle
**srcs
, **dsts
;
3122 mirror_destroy(ofproto
->mbridge
, aux
);
3126 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3127 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3129 for (i
= 0; i
< s
->n_srcs
; i
++) {
3130 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3133 for (i
= 0; i
< s
->n_dsts
; i
++) {
3134 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3137 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3138 s
->n_dsts
, s
->src_vlans
,
3139 bundle_lookup(ofproto
, s
->out_bundle
), s
->out_vlan
);
3146 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3147 uint64_t *packets
, uint64_t *bytes
)
3149 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3154 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3156 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3157 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3158 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3159 mac_learning_flush(ofproto
->ml
);
3161 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3166 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3168 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3169 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3170 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3174 forward_bpdu_changed(struct ofproto
*ofproto_
)
3176 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3177 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3181 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3184 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3185 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3186 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3187 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3188 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3191 /* Configures multicast snooping on 'ofport' using the settings
3192 * defined in 's'. */
3194 set_mcast_snooping(struct ofproto
*ofproto_
,
3195 const struct ofproto_mcast_snooping_settings
*s
)
3197 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3199 /* Only revalidate flows if the configuration changed. */
3200 if (!s
!= !ofproto
->ms
) {
3201 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3206 ofproto
->ms
= mcast_snooping_create();
3209 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3210 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3211 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3212 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3213 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3215 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3217 mcast_snooping_unref(ofproto
->ms
);
3224 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3226 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3227 const struct ofproto_mcast_snooping_port_settings
*s
)
3229 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3230 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3232 if (ofproto
->ms
&& s
) {
3233 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3234 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3235 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3237 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3245 struct ofport_dpif
*
3246 ofp_port_to_ofport(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3248 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3249 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3253 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3254 struct ofproto_port
*ofproto_port
,
3255 struct dpif_port
*dpif_port
)
3257 ofproto_port
->name
= dpif_port
->name
;
3258 ofproto_port
->type
= dpif_port
->type
;
3259 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3263 ofport_update_peer(struct ofport_dpif
*ofport
)
3265 const struct ofproto_dpif
*ofproto
;
3266 struct dpif_backer
*backer
;
3269 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3273 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3274 backer
->need_revalidate
= REV_RECONFIGURE
;
3277 ofport
->peer
->peer
= NULL
;
3278 ofport
->peer
= NULL
;
3281 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3286 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3287 struct ofport
*peer_ofport
;
3288 struct ofport_dpif
*peer
;
3291 if (ofproto
->backer
!= backer
) {
3295 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3300 peer
= ofport_dpif_cast(peer_ofport
);
3301 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3302 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3304 ofport
->peer
= peer
;
3305 ofport
->peer
->peer
= ofport
;
3315 port_run(struct ofport_dpif
*ofport
)
3317 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3318 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3319 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3320 bool cfm_enable
= false;
3321 bool bfd_enable
= false;
3323 ofport
->carrier_seq
= carrier_seq
;
3326 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3328 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3330 if (cfm_opup
>= 0) {
3331 cfm_enable
= cfm_enable
&& cfm_opup
;
3336 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3339 if (ofport
->bfd
|| ofport
->cfm
) {
3340 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3343 if (ofport
->bundle
) {
3344 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3345 if (carrier_changed
) {
3346 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3350 if (ofport
->may_enable
!= enable
) {
3351 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3353 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3355 if (ofport
->rstp_port
) {
3356 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3360 ofport
->may_enable
= enable
;
3364 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3365 struct ofproto_port
*ofproto_port
)
3367 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3368 struct dpif_port dpif_port
;
3371 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3372 const char *type
= netdev_get_type_from_name(devname
);
3374 /* We may be called before ofproto->up.port_by_name is populated with
3375 * the appropriate ofport. For this reason, we must get the name and
3376 * type from the netdev layer directly. */
3378 const struct ofport
*ofport
;
3380 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3381 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3382 ofproto_port
->name
= xstrdup(devname
);
3383 ofproto_port
->type
= xstrdup(type
);
3389 if (!sset_contains(&ofproto
->ports
, devname
)) {
3392 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3393 devname
, &dpif_port
);
3395 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3401 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3403 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3404 const char *devname
= netdev_get_name(netdev
);
3405 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3406 const char *dp_port_name
;
3408 if (netdev_vport_is_patch(netdev
)) {
3409 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3413 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3414 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3415 odp_port_t port_no
= ODPP_NONE
;
3418 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3422 if (netdev_get_tunnel_config(netdev
)) {
3423 simap_put(&ofproto
->backer
->tnl_backers
,
3424 dp_port_name
, odp_to_u32(port_no
));
3428 if (netdev_get_tunnel_config(netdev
)) {
3429 sset_add(&ofproto
->ghost_ports
, devname
);
3431 sset_add(&ofproto
->ports
, devname
);
3437 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3439 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3440 struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
3447 sset_find_and_delete(&ofproto
->ghost_ports
,
3448 netdev_get_name(ofport
->up
.netdev
));
3449 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3450 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3451 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
3453 /* The caller is going to close ofport->up.netdev. If this is a
3454 * bonded port, then the bond is using that netdev, so remove it
3455 * from the bond. The client will need to reconfigure everything
3456 * after deleting ports, so then the slave will get re-added. */
3457 bundle_remove(&ofport
->up
);
3464 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3466 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3469 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3471 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3472 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3474 ovs_mutex_lock(&ofproto
->stats_mutex
);
3475 /* ofproto->stats.tx_packets represents packets that we created
3476 * internally and sent to some port (e.g. packets sent with
3477 * ofproto_dpif_send_packet()). Account for them as if they had
3478 * come from OFPP_LOCAL and got forwarded. */
3480 if (stats
->rx_packets
!= UINT64_MAX
) {
3481 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3484 if (stats
->rx_bytes
!= UINT64_MAX
) {
3485 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3488 /* ofproto->stats.rx_packets represents packets that were received on
3489 * some port and we processed internally and dropped (e.g. STP).
3490 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3492 if (stats
->tx_packets
!= UINT64_MAX
) {
3493 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3496 if (stats
->tx_bytes
!= UINT64_MAX
) {
3497 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3499 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3506 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3508 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3509 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3510 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3517 struct port_dump_state
{
3522 struct ofproto_port port
;
3527 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3529 *statep
= xzalloc(sizeof(struct port_dump_state
));
3534 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3535 struct ofproto_port
*port
)
3537 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3538 struct port_dump_state
*state
= state_
;
3539 const struct sset
*sset
;
3540 struct sset_node
*node
;
3542 if (state
->has_port
) {
3543 ofproto_port_destroy(&state
->port
);
3544 state
->has_port
= false;
3546 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3547 while ((node
= sset_at_position(sset
, &state
->bucket
, &state
->offset
))) {
3550 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3552 *port
= state
->port
;
3553 state
->has_port
= true;
3555 } else if (error
!= ENODEV
) {
3560 if (!state
->ghost
) {
3561 state
->ghost
= true;
3564 return port_dump_next(ofproto_
, state_
, port
);
3571 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3573 struct port_dump_state
*state
= state_
;
3575 if (state
->has_port
) {
3576 ofproto_port_destroy(&state
->port
);
3583 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3585 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3587 if (ofproto
->port_poll_errno
) {
3588 int error
= ofproto
->port_poll_errno
;
3589 ofproto
->port_poll_errno
= 0;
3593 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3597 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3602 port_poll_wait(const struct ofproto
*ofproto_
)
3604 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3605 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3609 port_is_lacp_current(const struct ofport
*ofport_
)
3611 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3612 return (ofport
->bundle
&& ofport
->bundle
->lacp
3613 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3617 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3618 * then delete it entirely. */
3620 rule_expire(struct rule_dpif
*rule
)
3621 OVS_REQUIRES(ofproto_mutex
)
3623 uint16_t hard_timeout
, idle_timeout
;
3624 long long int now
= time_msec();
3627 hard_timeout
= rule
->up
.hard_timeout
;
3628 idle_timeout
= rule
->up
.idle_timeout
;
3630 /* Has 'rule' expired? */
3632 long long int modified
;
3634 ovs_mutex_lock(&rule
->up
.mutex
);
3635 modified
= rule
->up
.modified
;
3636 ovs_mutex_unlock(&rule
->up
.mutex
);
3638 if (now
> modified
+ hard_timeout
* 1000) {
3639 reason
= OFPRR_HARD_TIMEOUT
;
3643 if (reason
< 0 && idle_timeout
) {
3646 ovs_mutex_lock(&rule
->stats_mutex
);
3647 used
= rule
->stats
.used
;
3648 ovs_mutex_unlock(&rule
->stats_mutex
);
3650 if (now
> used
+ idle_timeout
* 1000) {
3651 reason
= OFPRR_IDLE_TIMEOUT
;
3656 COVERAGE_INC(ofproto_dpif_expired
);
3657 ofproto_rule_expire(&rule
->up
, reason
);
3662 ofproto_dpif_execute_actions__(struct ofproto_dpif
*ofproto
,
3663 const struct flow
*flow
,
3664 struct rule_dpif
*rule
,
3665 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3666 int indentation
, int resubmits
,
3667 struct dp_packet
*packet
)
3669 struct dpif_flow_stats stats
;
3670 struct xlate_out xout
;
3671 struct xlate_in xin
;
3673 struct dpif_execute execute
;
3676 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3678 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3681 rule_dpif_credit_stats(rule
, &stats
);
3684 uint64_t odp_actions_stub
[1024 / 8];
3685 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
3686 xlate_in_init(&xin
, ofproto
, flow
, flow
->in_port
.ofp_port
, rule
,
3687 stats
.tcp_flags
, packet
, NULL
, &odp_actions
);
3688 xin
.ofpacts
= ofpacts
;
3689 xin
.ofpacts_len
= ofpacts_len
;
3690 xin
.resubmit_stats
= &stats
;
3691 xin
.indentation
= indentation
;
3692 xin
.resubmits
= resubmits
;
3693 if (xlate_actions(&xin
, &xout
) != XLATE_OK
) {
3698 execute
.actions
= odp_actions
.data
;
3699 execute
.actions_len
= odp_actions
.size
;
3701 pkt_metadata_from_flow(&packet
->md
, flow
);
3702 execute
.packet
= packet
;
3703 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3704 execute
.probe
= false;
3707 /* Fix up in_port. */
3708 in_port
= flow
->in_port
.ofp_port
;
3709 if (in_port
== OFPP_NONE
) {
3710 in_port
= OFPP_LOCAL
;
3712 execute
.packet
->md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3714 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3716 xlate_out_uninit(&xout
);
3717 ofpbuf_uninit(&odp_actions
);
3722 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3723 * 'flow' must reflect the data in 'packet'. */
3725 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3726 const struct flow
*flow
,
3727 struct rule_dpif
*rule
,
3728 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3729 struct dp_packet
*packet
)
3731 return ofproto_dpif_execute_actions__(ofproto
, flow
, rule
, ofpacts
,
3732 ofpacts_len
, 0, 0, packet
);
3736 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3737 const struct dpif_flow_stats
*stats
)
3739 ovs_mutex_lock(&rule
->stats_mutex
);
3740 if (OVS_UNLIKELY(rule
->new_rule
)) {
3741 rule_dpif_credit_stats(rule
->new_rule
, stats
);
3743 rule
->stats
.n_packets
+= stats
->n_packets
;
3744 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3745 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3747 ovs_mutex_unlock(&rule
->stats_mutex
);
3751 rule_dpif_get_flow_cookie(const struct rule_dpif
*rule
)
3752 OVS_REQUIRES(rule
->up
.mutex
)
3754 return rule
->up
.flow_cookie
;
3758 rule_dpif_reduce_timeouts(struct rule_dpif
*rule
, uint16_t idle_timeout
,
3759 uint16_t hard_timeout
)
3761 ofproto_rule_reduce_timeouts(&rule
->up
, idle_timeout
, hard_timeout
);
3764 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3765 * be read until the calling thread quiesces. */
3766 const struct rule_actions
*
3767 rule_dpif_get_actions(const struct rule_dpif
*rule
)
3769 return rule_get_actions(&rule
->up
);
3772 /* Sets 'rule''s recirculation id. */
3774 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
3775 OVS_REQUIRES(rule
->up
.mutex
)
3777 ovs_assert(!rule
->recirc_id
|| rule
->recirc_id
== id
);
3778 if (rule
->recirc_id
== id
) {
3779 /* Release the new reference to the same id. */
3782 rule
->recirc_id
= id
;
3786 /* Sets 'rule''s recirculation id. */
3788 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
3790 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3792 ovs_mutex_lock(&rule
->up
.mutex
);
3793 rule_dpif_set_recirc_id(rule
, id
);
3794 ovs_mutex_unlock(&rule
->up
.mutex
);
3798 ofproto_dpif_get_tables_version(struct ofproto_dpif
*ofproto OVS_UNUSED
)
3800 cls_version_t version
;
3802 atomic_read_relaxed(&ofproto
->tables_version
, &version
);
3807 /* The returned rule (if any) is valid at least until the next RCU quiescent
3808 * period. If the rule needs to stay around longer, the caller should take
3811 * 'flow' is non-const to allow for temporary modifications during the lookup.
3812 * Any changes are restored before returning. */
3813 static struct rule_dpif
*
3814 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, cls_version_t version
,
3815 uint8_t table_id
, struct flow
*flow
,
3816 struct flow_wildcards
*wc
)
3818 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
3819 return rule_dpif_cast(rule_from_cls_rule(classifier_lookup(cls
, version
,
3823 /* Look up 'flow' in 'ofproto''s classifier version 'version', starting from
3824 * table '*table_id'. Returns the rule that was found, which may be one of the
3825 * special rules according to packet miss hadling. If 'may_packet_in' is
3826 * false, returning of the miss_rule (which issues packet ins for the
3827 * controller) is avoided. Updates 'wc', if nonnull, to reflect the fields
3828 * that were used during the lookup.
3830 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3831 * if none is found then the table miss configuration for that table is
3832 * honored, which can result in additional lookups in other OpenFlow tables.
3833 * In this case the function updates '*table_id' to reflect the final OpenFlow
3834 * table that was searched.
3836 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3839 * The rule is returned in '*rule', which is valid at least until the next
3840 * RCU quiescent period. If the '*rule' needs to stay around longer, the
3841 * caller must take a reference.
3843 * 'in_port' allows the lookup to take place as if the in port had the value
3844 * 'in_port'. This is needed for resubmit action support.
3846 * 'flow' is non-const to allow for temporary modifications during the lookup.
3847 * Any changes are restored before returning. */
3849 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
3850 cls_version_t version
, struct flow
*flow
,
3851 struct flow_wildcards
*wc
,
3852 const struct dpif_flow_stats
*stats
,
3853 uint8_t *table_id
, ofp_port_t in_port
,
3854 bool may_packet_in
, bool honor_table_miss
)
3856 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
3857 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
3858 enum ofputil_table_miss miss_config
;
3859 struct rule_dpif
*rule
;
3862 /* We always unwildcard nw_frag (for IP), so they
3863 * need not be unwildcarded here. */
3864 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
3865 && ofproto
->up
.frag_handling
!= OFPUTIL_FRAG_NX_MATCH
) {
3866 if (ofproto
->up
.frag_handling
== OFPUTIL_FRAG_NORMAL
) {
3867 /* We must pretend that transport ports are unavailable. */
3868 flow
->tp_src
= htons(0);
3869 flow
->tp_dst
= htons(0);
3871 /* Must be OFPUTIL_FRAG_DROP (we don't have OFPUTIL_FRAG_REASM).
3872 * Use the drop_frags_rule (which cannot disappear). */
3873 rule
= ofproto
->drop_frags_rule
;
3875 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
3878 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
3884 /* Look up a flow with 'in_port' as the input port. Then restore the
3885 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3886 * have surprising behavior). */
3887 flow
->in_port
.ofp_port
= in_port
;
3889 /* Our current implementation depends on n_tables == N_TABLES, and
3890 * TBL_INTERNAL being the last table. */
3891 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
3893 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
3895 for (next_id
= *table_id
;
3896 next_id
< ofproto
->up
.n_tables
;
3897 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
3899 *table_id
= next_id
;
3900 rule
= rule_dpif_lookup_in_table(ofproto
, version
, next_id
, flow
, wc
);
3902 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
3905 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
3906 stats
->n_packets
, &orig
);
3909 goto out
; /* Match. */
3911 if (honor_table_miss
) {
3912 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
3914 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
3921 rule
= ofproto
->no_packet_in_rule
;
3922 if (may_packet_in
) {
3923 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
3924 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
3925 struct ofport_dpif
*port
;
3927 port
= ofp_port_to_ofport(ofproto
, old_in_port
);
3929 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu16
,
3931 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
3932 rule
= ofproto
->miss_rule
;
3934 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
3935 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
3936 rule
= ofproto
->miss_rule
;
3940 /* Restore port numbers, as they may have been modified above. */
3941 flow
->tp_src
= old_tp_src
;
3942 flow
->tp_dst
= old_tp_dst
;
3943 /* Restore the old in port. */
3944 flow
->in_port
.ofp_port
= old_in_port
;
3950 complete_operation(struct rule_dpif
*rule
)
3951 OVS_REQUIRES(ofproto_mutex
)
3953 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3955 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3958 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
3960 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
3963 static struct rule
*
3966 struct rule_dpif
*rule
= xzalloc(sizeof *rule
);
3971 rule_dealloc(struct rule
*rule_
)
3973 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3978 check_mask(struct ofproto_dpif
*ofproto
, const struct miniflow
*flow
)
3980 const struct odp_support
*support
;
3981 uint16_t ct_state
, ct_zone
;
3985 support
= &ofproto_dpif_get_support(ofproto
)->odp
;
3986 ct_state
= MINIFLOW_GET_U16(flow
, ct_state
);
3987 if (support
->ct_state
&& support
->ct_zone
&& support
->ct_mark
3988 && support
->ct_label
&& support
->ct_state_nat
) {
3989 return ct_state
& CS_UNSUPPORTED_MASK
? OFPERR_OFPBMC_BAD_MASK
: 0;
3992 ct_zone
= MINIFLOW_GET_U16(flow
, ct_zone
);
3993 ct_mark
= MINIFLOW_GET_U32(flow
, ct_mark
);
3994 ct_label
= MINIFLOW_GET_U128(flow
, ct_label
);
3996 if ((ct_state
&& !support
->ct_state
)
3997 || (ct_state
& CS_UNSUPPORTED_MASK
)
3998 || ((ct_state
& (CS_SRC_NAT
| CS_DST_NAT
)) && !support
->ct_state_nat
)
3999 || (ct_zone
&& !support
->ct_zone
)
4000 || (ct_mark
&& !support
->ct_mark
)
4001 || (!ovs_u128_is_zero(&ct_label
) && !support
->ct_label
)) {
4002 return OFPERR_OFPBMC_BAD_MASK
;
4009 check_actions(const struct ofproto_dpif
*ofproto
,
4010 const struct rule_actions
*const actions
)
4012 const struct ofpact
*ofpact
;
4014 OFPACT_FOR_EACH (ofpact
, actions
->ofpacts
, actions
->ofpacts_len
) {
4015 const struct odp_support
*support
;
4016 const struct ofpact_conntrack
*ct
;
4017 const struct ofpact
*a
;
4019 if (ofpact
->type
!= OFPACT_CT
) {
4023 ct
= CONTAINER_OF(ofpact
, struct ofpact_conntrack
, ofpact
);
4024 support
= &ofproto_dpif_get_support(ofproto
)->odp
;
4026 if (!support
->ct_state
) {
4027 return OFPERR_OFPBAC_BAD_TYPE
;
4029 if ((ct
->zone_imm
|| ct
->zone_src
.field
) && !support
->ct_zone
) {
4030 return OFPERR_OFPBAC_BAD_ARGUMENT
;
4033 OFPACT_FOR_EACH(a
, ct
->actions
, ofpact_ct_get_action_len(ct
)) {
4034 const struct mf_field
*dst
= ofpact_get_mf_dst(a
);
4036 if (a
->type
== OFPACT_NAT
&& !support
->ct_state_nat
) {
4037 /* The backer doesn't seem to support the NAT bits in
4038 * 'ct_state': assume that it doesn't support the NAT
4040 return OFPERR_OFPBAC_BAD_TYPE
;
4042 if (dst
&& ((dst
->id
== MFF_CT_MARK
&& !support
->ct_mark
)
4043 || (dst
->id
== MFF_CT_LABEL
&& !support
->ct_label
))) {
4044 return OFPERR_OFPBAC_BAD_SET_ARGUMENT
;
4053 rule_check(struct rule
*rule
)
4055 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->ofproto
);
4058 err
= check_mask(ofproto
, &rule
->cr
.match
.mask
->masks
);
4062 return check_actions(ofproto
, rule
->actions
);
4066 rule_construct(struct rule
*rule_
)
4067 OVS_NO_THREAD_SAFETY_ANALYSIS
4069 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4072 error
= rule_check(rule_
);
4077 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
4078 rule
->stats
.n_packets
= 0;
4079 rule
->stats
.n_bytes
= 0;
4080 rule
->stats
.used
= rule
->up
.modified
;
4081 rule
->recirc_id
= 0;
4082 rule
->new_rule
= NULL
;
4088 rule_insert(struct rule
*rule_
, struct rule
*old_rule_
, bool forward_stats
)
4089 OVS_REQUIRES(ofproto_mutex
)
4091 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4093 if (old_rule_
&& forward_stats
) {
4094 struct rule_dpif
*old_rule
= rule_dpif_cast(old_rule_
);
4096 ovs_assert(!old_rule
->new_rule
);
4098 /* Take a reference to the new rule, and refer all stats updates from
4099 * the old rule to the new rule. */
4100 rule_dpif_ref(rule
);
4102 ovs_mutex_lock(&old_rule
->stats_mutex
);
4103 ovs_mutex_lock(&rule
->stats_mutex
);
4104 old_rule
->new_rule
= rule
; /* Forward future stats. */
4105 rule
->stats
= old_rule
->stats
; /* Transfer stats to the new rule. */
4106 ovs_mutex_unlock(&rule
->stats_mutex
);
4107 ovs_mutex_unlock(&old_rule
->stats_mutex
);
4110 complete_operation(rule
);
4114 rule_delete(struct rule
*rule_
)
4115 OVS_REQUIRES(ofproto_mutex
)
4117 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4118 complete_operation(rule
);
4122 rule_destruct(struct rule
*rule_
)
4123 OVS_NO_THREAD_SAFETY_ANALYSIS
4125 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4127 ovs_mutex_destroy(&rule
->stats_mutex
);
4128 /* Release reference to the new rule, if any. */
4129 if (rule
->new_rule
) {
4130 rule_dpif_unref(rule
->new_rule
);
4132 if (rule
->recirc_id
) {
4133 recirc_free_id(rule
->recirc_id
);
4138 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
4139 long long int *used
)
4141 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4143 ovs_mutex_lock(&rule
->stats_mutex
);
4144 if (OVS_UNLIKELY(rule
->new_rule
)) {
4145 rule_get_stats(&rule
->new_rule
->up
, packets
, bytes
, used
);
4147 *packets
= rule
->stats
.n_packets
;
4148 *bytes
= rule
->stats
.n_bytes
;
4149 *used
= rule
->stats
.used
;
4151 ovs_mutex_unlock(&rule
->stats_mutex
);
4155 rule_dpif_execute(struct rule_dpif
*rule
, const struct flow
*flow
,
4156 struct dp_packet
*packet
)
4158 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
4160 ofproto_dpif_execute_actions(ofproto
, flow
, rule
, NULL
, 0, packet
);
4164 rule_execute(struct rule
*rule
, const struct flow
*flow
,
4165 struct dp_packet
*packet
)
4167 rule_dpif_execute(rule_dpif_cast(rule
), flow
, packet
);
4168 dp_packet_delete(packet
);
4172 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
4174 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
4177 static struct ofgroup
*
4180 struct group_dpif
*group
= xzalloc(sizeof *group
);
4185 group_dealloc(struct ofgroup
*group_
)
4187 struct group_dpif
*group
= group_dpif_cast(group_
);
4192 group_construct_stats(struct group_dpif
*group
)
4193 OVS_REQUIRES(group
->stats_mutex
)
4195 struct ofputil_bucket
*bucket
;
4196 const struct ovs_list
*buckets
;
4198 group
->packet_count
= 0;
4199 group
->byte_count
= 0;
4201 group_dpif_get_buckets(group
, &buckets
);
4202 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4203 bucket
->stats
.packet_count
= 0;
4204 bucket
->stats
.byte_count
= 0;
4209 group_dpif_credit_stats(struct group_dpif
*group
,
4210 struct ofputil_bucket
*bucket
,
4211 const struct dpif_flow_stats
*stats
)
4213 ovs_mutex_lock(&group
->stats_mutex
);
4214 group
->packet_count
+= stats
->n_packets
;
4215 group
->byte_count
+= stats
->n_bytes
;
4217 bucket
->stats
.packet_count
+= stats
->n_packets
;
4218 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4219 } else { /* Credit to all buckets */
4220 const struct ovs_list
*buckets
;
4222 group_dpif_get_buckets(group
, &buckets
);
4223 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4224 bucket
->stats
.packet_count
+= stats
->n_packets
;
4225 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4228 ovs_mutex_unlock(&group
->stats_mutex
);
4232 group_construct(struct ofgroup
*group_
)
4234 struct group_dpif
*group
= group_dpif_cast(group_
);
4236 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4237 ovs_mutex_lock(&group
->stats_mutex
);
4238 group_construct_stats(group
);
4239 ovs_mutex_unlock(&group
->stats_mutex
);
4244 group_destruct(struct ofgroup
*group_
)
4246 struct group_dpif
*group
= group_dpif_cast(group_
);
4247 ovs_mutex_destroy(&group
->stats_mutex
);
4251 group_modify(struct ofgroup
*group_
)
4253 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(group_
->ofproto
);
4255 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
4261 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4263 struct group_dpif
*group
= group_dpif_cast(group_
);
4264 struct ofputil_bucket
*bucket
;
4265 const struct ovs_list
*buckets
;
4266 struct bucket_counter
*bucket_stats
;
4268 ovs_mutex_lock(&group
->stats_mutex
);
4269 ogs
->packet_count
= group
->packet_count
;
4270 ogs
->byte_count
= group
->byte_count
;
4272 group_dpif_get_buckets(group
, &buckets
);
4273 bucket_stats
= ogs
->bucket_stats
;
4274 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4275 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4276 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4279 ovs_mutex_unlock(&group
->stats_mutex
);
4284 /* If the group exists, this function increments the groups's reference count.
4286 * Make sure to call group_dpif_unref() after no longer needing to maintain
4287 * a reference to the group. */
4289 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4290 struct group_dpif
**group
)
4292 struct ofgroup
*ofgroup
;
4295 found
= ofproto_group_lookup(&ofproto
->up
, group_id
, &ofgroup
);
4296 *group
= found
? group_dpif_cast(ofgroup
) : NULL
;
4302 group_dpif_get_buckets(const struct group_dpif
*group
,
4303 const struct ovs_list
**buckets
)
4305 *buckets
= &group
->up
.buckets
;
4308 enum ofp11_group_type
4309 group_dpif_get_type(const struct group_dpif
*group
)
4311 return group
->up
.type
;
4315 group_dpif_get_selection_method(const struct group_dpif
*group
)
4317 return group
->up
.props
.selection_method
;
4320 /* Sends 'packet' out 'ofport'.
4321 * May modify 'packet'.
4322 * Returns 0 if successful, otherwise a positive errno value. */
4324 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, struct dp_packet
*packet
)
4326 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4329 error
= xlate_send_packet(ofport
, packet
);
4331 ovs_mutex_lock(&ofproto
->stats_mutex
);
4332 ofproto
->stats
.tx_packets
++;
4333 ofproto
->stats
.tx_bytes
+= dp_packet_size(packet
);
4334 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4339 group_dpif_get_selection_method_param(const struct group_dpif
*group
)
4341 return group
->up
.props
.selection_method_param
;
4344 const struct field_array
*
4345 group_dpif_get_fields(const struct group_dpif
*group
)
4347 return &group
->up
.props
.fields
;
4350 /* Return the version string of the datapath that backs up
4354 get_datapath_version(const struct ofproto
*ofproto_
)
4356 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4358 return ofproto
->backer
->dp_version_string
;
4362 set_frag_handling(struct ofproto
*ofproto_
,
4363 enum ofputil_frag_handling frag_handling
)
4365 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4366 if (frag_handling
!= OFPUTIL_FRAG_REASM
) {
4367 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4375 packet_out(struct ofproto
*ofproto_
, struct dp_packet
*packet
,
4376 const struct flow
*flow
,
4377 const struct ofpact
*ofpacts
, size_t ofpacts_len
)
4379 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4381 ofproto_dpif_execute_actions(ofproto
, flow
, NULL
, ofpacts
,
4382 ofpacts_len
, packet
);
4387 nxt_resume(struct ofproto
*ofproto_
,
4388 const struct ofputil_packet_in_private
*pin
)
4390 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4392 /* Translate pin into datapath actions. */
4393 uint64_t odp_actions_stub
[1024 / 8];
4394 struct ofpbuf odp_actions
= OFPBUF_STUB_INITIALIZER(odp_actions_stub
);
4395 enum slow_path_reason slow
;
4396 enum ofperr error
= xlate_resume(ofproto
, pin
, &odp_actions
, &slow
);
4398 /* Steal 'pin->packet' and put it into a dp_packet. */
4399 struct dp_packet packet
;
4400 dp_packet_init(&packet
, pin
->public.packet_len
);
4401 dp_packet_put(&packet
, pin
->public.packet
, pin
->public.packet_len
);
4403 struct flow headers
;
4404 flow_extract(&packet
, &headers
);
4406 /* Execute the datapath actions on the packet. */
4407 struct dpif_execute execute
= {
4408 .actions
= odp_actions
.data
,
4409 .actions_len
= odp_actions
.size
,
4410 .needs_help
= (slow
& SLOW_ACTION
) != 0,
4413 dpif_execute(ofproto
->backer
->dpif
, &execute
);
4416 ofpbuf_uninit(&odp_actions
);
4417 dp_packet_uninit(&packet
);
4425 set_netflow(struct ofproto
*ofproto_
,
4426 const struct netflow_options
*netflow_options
)
4428 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4430 if (netflow_options
) {
4431 if (!ofproto
->netflow
) {
4432 ofproto
->netflow
= netflow_create();
4433 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4435 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4436 } else if (ofproto
->netflow
) {
4437 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4438 netflow_unref(ofproto
->netflow
);
4439 ofproto
->netflow
= NULL
;
4446 get_netflow_ids(const struct ofproto
*ofproto_
,
4447 uint8_t *engine_type
, uint8_t *engine_id
)
4449 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4451 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4454 static struct ofproto_dpif
*
4455 ofproto_dpif_lookup(const char *name
)
4457 struct ofproto_dpif
*ofproto
;
4459 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
4460 hash_string(name
, 0), &all_ofproto_dpifs
) {
4461 if (!strcmp(ofproto
->up
.name
, name
)) {
4469 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4470 const char *argv
[], void *aux OVS_UNUSED
)
4472 struct ofproto_dpif
*ofproto
;
4475 ofproto
= ofproto_dpif_lookup(argv
[1]);
4477 unixctl_command_reply_error(conn
, "no such bridge");
4480 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4481 mac_learning_flush(ofproto
->ml
);
4482 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4484 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4485 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4486 mac_learning_flush(ofproto
->ml
);
4487 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4491 unixctl_command_reply(conn
, "table successfully flushed");
4495 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4496 const char *argv
[], void *aux OVS_UNUSED
)
4498 struct ofproto_dpif
*ofproto
;
4501 ofproto
= ofproto_dpif_lookup(argv
[1]);
4503 unixctl_command_reply_error(conn
, "no such bridge");
4507 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4508 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4511 mcast_snooping_mdb_flush(ofproto
->ms
);
4513 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4514 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4517 mcast_snooping_mdb_flush(ofproto
->ms
);
4521 unixctl_command_reply(conn
, "table successfully flushed");
4524 static struct ofport_dpif
*
4525 ofbundle_get_a_port(const struct ofbundle
*bundle
)
4527 return CONTAINER_OF(ovs_list_front(&bundle
->ports
), struct ofport_dpif
,
4532 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4533 const char *argv
[], void *aux OVS_UNUSED
)
4535 struct ds ds
= DS_EMPTY_INITIALIZER
;
4536 const struct ofproto_dpif
*ofproto
;
4537 const struct mac_entry
*e
;
4539 ofproto
= ofproto_dpif_lookup(argv
[1]);
4541 unixctl_command_reply_error(conn
, "no such bridge");
4545 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
4546 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
4547 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
4548 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
4549 char name
[OFP_MAX_PORT_NAME_LEN
];
4551 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4553 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
4554 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
4555 mac_entry_age(ofproto
->ml
, e
));
4557 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4558 unixctl_command_reply(conn
, ds_cstr(&ds
));
4563 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
4564 int argc OVS_UNUSED
,
4566 void *aux OVS_UNUSED
)
4568 struct ds ds
= DS_EMPTY_INITIALIZER
;
4569 const struct ofproto_dpif
*ofproto
;
4570 const struct ofbundle
*bundle
;
4571 const struct mcast_group
*grp
;
4572 struct mcast_group_bundle
*b
;
4573 struct mcast_mrouter_bundle
*mrouter
;
4575 ofproto
= ofproto_dpif_lookup(argv
[1]);
4577 unixctl_command_reply_error(conn
, "no such bridge");
4581 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4582 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4586 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
4587 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
4588 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
4589 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
4590 char name
[OFP_MAX_PORT_NAME_LEN
];
4593 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4595 ds_put_format(&ds
, "%5s %4d ", name
, grp
->vlan
);
4596 ipv6_format_mapped(&grp
->addr
, &ds
);
4597 ds_put_format(&ds
, " %3d\n",
4598 mcast_bundle_age(ofproto
->ms
, b
));
4602 /* ports connected to multicast routers */
4603 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
4604 char name
[OFP_MAX_PORT_NAME_LEN
];
4606 bundle
= mrouter
->port
;
4607 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4609 ds_put_format(&ds
, "%5s %4d querier %3d\n",
4610 name
, mrouter
->vlan
,
4611 mcast_mrouter_age(ofproto
->ms
, mrouter
));
4613 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
4614 unixctl_command_reply(conn
, ds_cstr(&ds
));
4619 struct xlate_out xout
;
4620 struct xlate_in xin
;
4621 const struct flow
*key
;
4624 struct flow_wildcards wc
;
4625 struct ofpbuf odp_actions
;
4629 trace_format_rule(struct ds
*result
, int level
, const struct rule_dpif
*rule
)
4631 const struct rule_actions
*actions
;
4634 ds_put_char_multiple(result
, '\t', level
);
4636 ds_put_cstr(result
, "No match\n");
4640 ovs_mutex_lock(&rule
->up
.mutex
);
4641 cookie
= rule
->up
.flow_cookie
;
4642 ovs_mutex_unlock(&rule
->up
.mutex
);
4644 ds_put_format(result
, "Rule: table=%"PRIu8
" cookie=%#"PRIx64
" ",
4645 rule
? rule
->up
.table_id
: 0, ntohll(cookie
));
4646 cls_rule_format(&rule
->up
.cr
, result
);
4647 ds_put_char(result
, '\n');
4649 actions
= rule_dpif_get_actions(rule
);
4651 ds_put_char_multiple(result
, '\t', level
);
4652 ds_put_cstr(result
, "OpenFlow actions=");
4653 ofpacts_format(actions
->ofpacts
, actions
->ofpacts_len
, result
);
4654 ds_put_char(result
, '\n');
4658 trace_format_flow(struct ds
*result
, int level
, const char *title
,
4659 struct trace_ctx
*trace
)
4661 ds_put_char_multiple(result
, '\t', level
);
4662 ds_put_format(result
, "%s: ", title
);
4663 /* Do not report unchanged flows for resubmits. */
4664 if ((level
> 0 && flow_equal(&trace
->xin
.flow
, &trace
->flow
))
4665 || (level
== 0 && flow_equal(&trace
->xin
.flow
, trace
->key
))) {
4666 ds_put_cstr(result
, "unchanged");
4668 flow_format(result
, &trace
->xin
.flow
);
4669 trace
->flow
= trace
->xin
.flow
;
4671 ds_put_char(result
, '\n');
4675 trace_format_regs(struct ds
*result
, int level
, const char *title
,
4676 struct trace_ctx
*trace
)
4680 ds_put_char_multiple(result
, '\t', level
);
4681 ds_put_format(result
, "%s:", title
);
4682 for (i
= 0; i
< FLOW_N_REGS
; i
++) {
4683 ds_put_format(result
, " reg%"PRIuSIZE
"=0x%"PRIx32
, i
, trace
->flow
.regs
[i
]);
4685 ds_put_char(result
, '\n');
4689 trace_format_odp(struct ds
*result
, int level
, const char *title
,
4690 struct trace_ctx
*trace
)
4692 struct ofpbuf
*odp_actions
= &trace
->odp_actions
;
4694 ds_put_char_multiple(result
, '\t', level
);
4695 ds_put_format(result
, "%s: ", title
);
4696 format_odp_actions(result
, odp_actions
->data
, odp_actions
->size
);
4697 ds_put_char(result
, '\n');
4701 trace_format_megaflow(struct ds
*result
, int level
, const char *title
,
4702 struct trace_ctx
*trace
)
4706 ds_put_char_multiple(result
, '\t', level
);
4707 ds_put_format(result
, "%s: ", title
);
4708 match_init(&match
, trace
->key
, &trace
->wc
);
4709 match_format(&match
, result
, OFP_DEFAULT_PRIORITY
);
4710 ds_put_char(result
, '\n');
4713 static void trace_report(struct xlate_in
*, int indentation
,
4714 const char *format
, ...)
4715 OVS_PRINTF_FORMAT(3, 4);
4716 static void trace_report_valist(struct xlate_in
*, int indentation
,
4717 const char *format
, va_list args
)
4718 OVS_PRINTF_FORMAT(3, 0);
4721 trace_resubmit(struct xlate_in
*xin
, struct rule_dpif
*rule
, int indentation
)
4723 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4724 struct ds
*result
= trace
->result
;
4727 if (rule
== xin
->ofproto
->miss_rule
) {
4728 trace_report(xin
, indentation
,
4729 "No match, flow generates \"packet in\"s.");
4730 } else if (rule
== xin
->ofproto
->no_packet_in_rule
) {
4731 trace_report(xin
, indentation
, "No match, packets dropped because "
4732 "OFPPC_NO_PACKET_IN is set on in_port.");
4733 } else if (rule
== xin
->ofproto
->drop_frags_rule
) {
4734 trace_report(xin
, indentation
,
4735 "Packets dropped because they are IP fragments and "
4736 "the fragment handling mode is \"drop\".");
4740 ds_put_char(result
, '\n');
4742 trace_format_flow(result
, indentation
, "Resubmitted flow", trace
);
4743 trace_format_regs(result
, indentation
, "Resubmitted regs", trace
);
4744 trace_format_odp(result
, indentation
, "Resubmitted odp", trace
);
4745 trace_format_megaflow(result
, indentation
, "Resubmitted megaflow",
4748 trace_format_rule(result
, indentation
, rule
);
4752 trace_report_valist(struct xlate_in
*xin
, int indentation
,
4753 const char *format
, va_list args
)
4755 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4756 struct ds
*result
= trace
->result
;
4758 ds_put_char_multiple(result
, '\t', indentation
);
4759 ds_put_format_valist(result
, format
, args
);
4760 ds_put_char(result
, '\n');
4764 trace_report(struct xlate_in
*xin
, int indentation
, const char *format
, ...)
4768 va_start(args
, format
);
4769 trace_report_valist(xin
, indentation
, format
, args
);
4773 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4774 * forms are supported:
4776 * - [dpname] odp_flow [-generate | packet]
4777 * - bridge br_flow [-generate | packet]
4779 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4780 * returns a nonnull malloced error message. */
4781 static char * OVS_WARN_UNUSED_RESULT
4782 parse_flow_and_packet(int argc
, const char *argv
[],
4783 struct ofproto_dpif
**ofprotop
, struct flow
*flow
,
4784 struct dp_packet
**packetp
)
4786 const struct dpif_backer
*backer
= NULL
;
4787 const char *error
= NULL
;
4789 struct simap port_names
= SIMAP_INITIALIZER(&port_names
);
4790 struct dp_packet
*packet
;
4791 struct ofpbuf odp_key
;
4792 struct ofpbuf odp_mask
;
4794 ofpbuf_init(&odp_key
, 0);
4795 ofpbuf_init(&odp_mask
, 0);
4797 /* Handle "-generate" or a hex string as the last argument. */
4798 if (!strcmp(argv
[argc
- 1], "-generate")) {
4799 packet
= dp_packet_new(0);
4802 error
= eth_from_hex(argv
[argc
- 1], &packet
);
4805 } else if (argc
== 4) {
4806 /* The 3-argument form must end in "-generate' or a hex string. */
4812 /* odp_flow can have its in_port specified as a name instead of port no.
4813 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4814 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4815 * we need to create a simap of name to port no. */
4817 const char *dp_type
;
4818 if (!strncmp(argv
[1], "ovs-", 4)) {
4819 dp_type
= argv
[1] + 4;
4823 backer
= shash_find_data(&all_dpif_backers
, dp_type
);
4824 } else if (argc
== 2) {
4825 struct shash_node
*node
;
4826 if (shash_count(&all_dpif_backers
) == 1) {
4827 node
= shash_first(&all_dpif_backers
);
4828 backer
= node
->data
;
4831 error
= "Syntax error";
4834 if (backer
&& backer
->dpif
) {
4835 struct dpif_port dpif_port
;
4836 struct dpif_port_dump port_dump
;
4837 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, backer
->dpif
) {
4838 simap_put(&port_names
, dpif_port
.name
,
4839 odp_to_u32(dpif_port
.port_no
));
4843 /* Parse the flow and determine whether a datapath or
4844 * bridge is specified. If function odp_flow_key_from_string()
4845 * returns 0, the flow is a odp_flow. If function
4846 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4847 if (!odp_flow_from_string(argv
[argc
- 1], &port_names
,
4848 &odp_key
, &odp_mask
)) {
4850 error
= "Cannot find the datapath";
4854 if (odp_flow_key_to_flow(odp_key
.data
, odp_key
.size
, flow
) == ODP_FIT_ERROR
) {
4855 error
= "Failed to parse datapath flow key";
4859 *ofprotop
= xlate_lookup_ofproto(backer
, flow
,
4860 &flow
->in_port
.ofp_port
);
4861 if (*ofprotop
== NULL
) {
4862 error
= "Invalid datapath flow";
4866 char *err
= parse_ofp_exact_flow(flow
, NULL
, argv
[argc
- 1], NULL
);
4869 m_err
= xasprintf("Bad openflow flow syntax: %s", err
);
4874 error
= "Must specify bridge name";
4878 *ofprotop
= ofproto_dpif_lookup(argv
[1]);
4880 error
= "Unknown bridge name";
4886 /* Generate a packet, if requested. */
4888 if (!dp_packet_size(packet
)) {
4889 flow_compose(packet
, flow
);
4891 /* Use the metadata from the flow and the packet argument
4892 * to reconstruct the flow. */
4893 pkt_metadata_from_flow(&packet
->md
, flow
);
4894 flow_extract(packet
, flow
);
4899 if (error
&& !m_err
) {
4900 m_err
= xstrdup(error
);
4903 dp_packet_delete(packet
);
4907 ofpbuf_uninit(&odp_key
);
4908 ofpbuf_uninit(&odp_mask
);
4909 simap_destroy(&port_names
);
4914 ofproto_unixctl_trace(struct unixctl_conn
*conn
, int argc
, const char *argv
[],
4915 void *aux OVS_UNUSED
)
4917 struct ofproto_dpif
*ofproto
;
4918 struct dp_packet
*packet
;
4922 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4927 ofproto_trace(ofproto
, &flow
, packet
, NULL
, 0, &result
);
4928 unixctl_command_reply(conn
, ds_cstr(&result
));
4929 ds_destroy(&result
);
4930 dp_packet_delete(packet
);
4932 unixctl_command_reply_error(conn
, error
);
4938 ofproto_unixctl_trace_actions(struct unixctl_conn
*conn
, int argc
,
4939 const char *argv
[], void *aux OVS_UNUSED
)
4941 enum ofputil_protocol usable_protocols
;
4942 struct ofproto_dpif
*ofproto
;
4943 bool enforce_consistency
;
4944 struct ofpbuf ofpacts
;
4945 struct dp_packet
*packet
;
4950 /* Three kinds of error return values! */
4956 ofpbuf_init(&ofpacts
, 0);
4958 /* Parse actions. */
4959 error
= ofpacts_parse_actions(argv
[--argc
], &ofpacts
, &usable_protocols
);
4961 unixctl_command_reply_error(conn
, error
);
4966 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4967 * consistency between the flow and the actions. With -consistent, we
4968 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4969 if (!strcmp(argv
[1], "-consistent")) {
4970 enforce_consistency
= true;
4974 enforce_consistency
= false;
4977 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4979 unixctl_command_reply_error(conn
, error
);
4984 /* Do the same checks as handle_packet_out() in ofproto.c.
4986 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4987 * strictly correct because these actions aren't in any table, but it's OK
4988 * because it 'table_id' is used only to check goto_table instructions, but
4989 * packet-outs take a list of actions and therefore it can't include
4992 * We skip the "meter" check here because meter is an instruction, not an
4993 * action, and thus cannot appear in ofpacts. */
4994 in_port
= ofp_to_u16(flow
.in_port
.ofp_port
);
4995 if (in_port
>= ofproto
->up
.max_ports
&& in_port
< ofp_to_u16(OFPP_MAX
)) {
4996 unixctl_command_reply_error(conn
, "invalid in_port");
4999 if (enforce_consistency
) {
5000 retval
= ofpacts_check_consistency(ofpacts
.data
, ofpacts
.size
, &flow
,
5001 u16_to_ofp(ofproto
->up
.max_ports
),
5002 0, ofproto
->up
.n_tables
,
5005 retval
= ofpacts_check(ofpacts
.data
, ofpacts
.size
, &flow
,
5006 u16_to_ofp(ofproto
->up
.max_ports
), 0,
5007 ofproto
->up
.n_tables
, &usable_protocols
);
5010 retval
= ofproto_check_ofpacts(&ofproto
->up
, ofpacts
.data
,
5016 ds_put_format(&result
, "Bad actions: %s", ofperr_to_string(retval
));
5017 unixctl_command_reply_error(conn
, ds_cstr(&result
));
5021 ofproto_trace(ofproto
, &flow
, packet
,
5022 ofpacts
.data
, ofpacts
.size
, &result
);
5023 unixctl_command_reply(conn
, ds_cstr(&result
));
5026 ds_destroy(&result
);
5027 dp_packet_delete(packet
);
5028 ofpbuf_uninit(&ofpacts
);
5031 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
5032 * description of the results to 'ds'.
5034 * The trace follows a packet with the specified 'flow' through the flow
5035 * table. 'packet' may be nonnull to trace an actual packet, with consequent
5036 * side effects (if it is nonnull then its flow must be 'flow').
5038 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
5039 * trace, otherwise the actions are determined by a flow table lookup. */
5041 ofproto_trace(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
5042 const struct dp_packet
*packet
,
5043 const struct ofpact ofpacts
[], size_t ofpacts_len
,
5046 struct trace_ctx trace
;
5047 enum xlate_error error
;
5049 ds_put_format(ds
, "Bridge: %s\n", ofproto
->up
.name
);
5050 ds_put_cstr(ds
, "Flow: ");
5051 flow_format(ds
, flow
);
5052 ds_put_char(ds
, '\n');
5054 ofpbuf_init(&trace
.odp_actions
, 0);
5057 trace
.key
= flow
; /* Original flow key, used for megaflow. */
5058 trace
.flow
= *flow
; /* May be modified by actions. */
5059 xlate_in_init(&trace
.xin
, ofproto
, flow
, flow
->in_port
.ofp_port
, NULL
,
5060 ntohs(flow
->tcp_flags
), packet
, &trace
.wc
,
5061 &trace
.odp_actions
);
5062 trace
.xin
.ofpacts
= ofpacts
;
5063 trace
.xin
.ofpacts_len
= ofpacts_len
;
5064 trace
.xin
.resubmit_hook
= trace_resubmit
;
5065 trace
.xin
.report_hook
= trace_report_valist
;
5067 error
= xlate_actions(&trace
.xin
, &trace
.xout
);
5068 ds_put_char(ds
, '\n');
5069 trace
.xin
.flow
.actset_output
= 0;
5070 trace_format_flow(ds
, 0, "Final flow", &trace
);
5071 trace_format_megaflow(ds
, 0, "Megaflow", &trace
);
5073 ds_put_cstr(ds
, "Datapath actions: ");
5074 format_odp_actions(ds
, trace
.odp_actions
.data
, trace
.odp_actions
.size
);
5076 if (error
!= XLATE_OK
) {
5077 ds_put_format(ds
, "\nTranslation failed (%s), packet is dropped.\n",
5078 xlate_strerror(error
));
5079 } else if (trace
.xout
.slow
) {
5080 enum slow_path_reason slow
;
5082 ds_put_cstr(ds
, "\nThis flow is handled by the userspace "
5083 "slow path because it:");
5085 slow
= trace
.xout
.slow
;
5087 enum slow_path_reason bit
= rightmost_1bit(slow
);
5089 ds_put_format(ds
, "\n\t- %s.",
5090 slow_path_reason_to_explanation(bit
));
5096 xlate_out_uninit(&trace
.xout
);
5097 ofpbuf_uninit(&trace
.odp_actions
);
5100 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
5101 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
5102 * to destroy 'ofproto_shash' and free the returned value. */
5103 static const struct shash_node
**
5104 get_ofprotos(struct shash
*ofproto_shash
)
5106 const struct ofproto_dpif
*ofproto
;
5108 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
5109 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
5110 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
5113 return shash_sort(ofproto_shash
);
5117 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5118 const char *argv
[] OVS_UNUSED
,
5119 void *aux OVS_UNUSED
)
5121 struct ds ds
= DS_EMPTY_INITIALIZER
;
5122 struct shash ofproto_shash
;
5123 const struct shash_node
**sorted_ofprotos
;
5126 shash_init(&ofproto_shash
);
5127 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
5128 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5129 const struct shash_node
*node
= sorted_ofprotos
[i
];
5130 ds_put_format(&ds
, "%s\n", node
->name
);
5133 shash_destroy(&ofproto_shash
);
5134 free(sorted_ofprotos
);
5136 unixctl_command_reply(conn
, ds_cstr(&ds
));
5141 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
5143 const struct shash_node
**ofprotos
;
5144 struct dpif_dp_stats dp_stats
;
5145 struct shash ofproto_shash
;
5148 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
5150 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
5151 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
5153 shash_init(&ofproto_shash
);
5154 ofprotos
= get_ofprotos(&ofproto_shash
);
5155 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
5156 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
5157 const struct shash_node
**ports
;
5160 if (ofproto
->backer
!= backer
) {
5164 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
5166 ports
= shash_sort(&ofproto
->up
.port_by_name
);
5167 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
5168 const struct shash_node
*node
= ports
[j
];
5169 struct ofport
*ofport
= node
->data
;
5171 odp_port_t odp_port
;
5173 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
5176 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
5177 if (odp_port
!= ODPP_NONE
) {
5178 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
5180 ds_put_cstr(ds
, "none:");
5183 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
5186 if (!netdev_get_config(ofport
->netdev
, &config
)) {
5187 const struct smap_node
**nodes
;
5190 nodes
= smap_sort(&config
);
5191 for (i
= 0; i
< smap_count(&config
); i
++) {
5192 const struct smap_node
*node
= nodes
[i
];
5193 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
5194 node
->key
, node
->value
);
5198 smap_destroy(&config
);
5200 ds_put_char(ds
, ')');
5201 ds_put_char(ds
, '\n');
5205 shash_destroy(&ofproto_shash
);
5210 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
5211 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
5213 struct ds ds
= DS_EMPTY_INITIALIZER
;
5214 const struct shash_node
**backers
;
5217 backers
= shash_sort(&all_dpif_backers
);
5218 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5219 dpif_show_backer(backers
[i
]->data
, &ds
);
5223 unixctl_command_reply(conn
, ds_cstr(&ds
));
5228 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
5229 int argc OVS_UNUSED
, const char *argv
[],
5230 void *aux OVS_UNUSED
)
5232 const struct ofproto_dpif
*ofproto
;
5234 struct ds ds
= DS_EMPTY_INITIALIZER
;
5235 bool verbosity
= false;
5237 struct dpif_port dpif_port
;
5238 struct dpif_port_dump port_dump
;
5239 struct hmap portno_names
;
5241 struct dpif_flow_dump
*flow_dump
;
5242 struct dpif_flow_dump_thread
*flow_dump_thread
;
5246 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
5248 unixctl_command_reply_error(conn
, "no such bridge");
5252 if (argc
> 2 && !strcmp(argv
[1], "-m")) {
5256 hmap_init(&portno_names
);
5257 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5258 odp_portno_names_set(&portno_names
, dpif_port
.port_no
, dpif_port
.name
);
5262 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false);
5263 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5264 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5267 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5268 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5273 odp_format_ufid(&f
.ufid
, &ds
);
5274 ds_put_cstr(&ds
, " ");
5276 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5277 &portno_names
, &ds
, verbosity
);
5278 ds_put_cstr(&ds
, ", ");
5279 dpif_flow_stats_format(&f
.stats
, &ds
);
5280 ds_put_cstr(&ds
, ", actions:");
5281 format_odp_actions(&ds
, f
.actions
, f
.actions_len
);
5282 ds_put_char(&ds
, '\n');
5284 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5285 error
= dpif_flow_dump_destroy(flow_dump
);
5289 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5290 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5292 unixctl_command_reply(conn
, ds_cstr(&ds
));
5294 odp_portno_names_destroy(&portno_names
);
5295 hmap_destroy(&portno_names
);
5300 ofproto_revalidate_all_backers(void)
5302 const struct shash_node
**backers
;
5305 backers
= shash_sort(&all_dpif_backers
);
5306 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5307 struct dpif_backer
*backer
= backers
[i
]->data
;
5308 backer
->need_revalidate
= REV_RECONFIGURE
;
5314 disable_tnl_push_pop(struct unixctl_conn
*conn OVS_UNUSED
, int argc OVS_UNUSED
,
5315 const char *argv
[], void *aux OVS_UNUSED
)
5317 if (!strcasecmp(argv
[1], "off")) {
5318 ofproto_use_tnl_push_pop
= false;
5319 unixctl_command_reply(conn
, "Tunnel push-pop off");
5320 ofproto_revalidate_all_backers();
5321 } else if (!strcasecmp(argv
[1], "on")) {
5322 ofproto_use_tnl_push_pop
= true;
5323 unixctl_command_reply(conn
, "Tunnel push-pop on");
5324 ofproto_revalidate_all_backers();
5326 unixctl_command_reply_error(conn
, "Invalid argument");
5331 ofproto_unixctl_init(void)
5333 static bool registered
;
5339 unixctl_command_register(
5341 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5342 1, 3, ofproto_unixctl_trace
, NULL
);
5343 unixctl_command_register(
5344 "ofproto/trace-packet-out",
5345 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5346 2, 6, ofproto_unixctl_trace_actions
, NULL
);
5347 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5348 ofproto_unixctl_fdb_flush
, NULL
);
5349 unixctl_command_register("fdb/show", "bridge", 1, 1,
5350 ofproto_unixctl_fdb_show
, NULL
);
5351 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5352 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5353 unixctl_command_register("mdb/show", "bridge", 1, 1,
5354 ofproto_unixctl_mcast_snooping_show
, NULL
);
5355 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5356 ofproto_unixctl_dpif_dump_dps
, NULL
);
5357 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5359 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5360 ofproto_unixctl_dpif_dump_flows
, NULL
);
5362 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5363 disable_tnl_push_pop
, NULL
);
5366 /* Returns true if 'table' is the table used for internal rules,
5367 * false otherwise. */
5369 table_is_internal(uint8_t table_id
)
5371 return table_id
== TBL_INTERNAL
;
5376 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5378 const struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
5379 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5382 struct ofport_dpif
*
5383 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5385 struct ofport_dpif
*port
;
5387 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5388 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5389 &backer
->odp_to_ofport_map
) {
5390 if (port
->odp_port
== odp_port
) {
5391 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5396 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5401 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5403 struct ofport_dpif
*port
;
5405 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5406 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5407 return port
->up
.ofp_port
;
5414 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5415 const struct match
*match
, int priority
,
5416 uint16_t idle_timeout
,
5417 const struct ofpbuf
*ofpacts
,
5418 struct rule
**rulep
)
5420 struct ofproto_flow_mod ofm
;
5421 struct rule_dpif
*rule
;
5424 ofm
.fm
= (struct ofputil_flow_mod
) {
5426 .priority
= priority
,
5427 .table_id
= TBL_INTERNAL
,
5428 .command
= OFPFC_ADD
,
5429 .idle_timeout
= idle_timeout
,
5430 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5431 .ofpacts
= ofpacts
->data
,
5432 .ofpacts_len
= ofpacts
->size
,
5433 .delete_reason
= OVS_OFPRR_NONE
,
5436 error
= ofproto_flow_mod(&ofproto
->up
, &ofm
);
5438 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5439 ofperr_to_string(error
));
5444 rule
= rule_dpif_lookup_in_table(ofproto
,
5445 ofproto_dpif_get_tables_version(ofproto
),
5446 TBL_INTERNAL
, &ofm
.fm
.match
.flow
,
5457 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5458 struct match
*match
, int priority
)
5460 struct ofproto_flow_mod ofm
;
5463 ofm
.fm
= (struct ofputil_flow_mod
) {
5465 .priority
= priority
,
5466 .table_id
= TBL_INTERNAL
,
5467 .flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
,
5468 .command
= OFPFC_DELETE_STRICT
,
5471 error
= ofproto_flow_mod(&ofproto
->up
, &ofm
);
5473 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5474 ofperr_to_string(error
));
5482 ofproto_dpif_get_uuid(const struct ofproto_dpif
*ofproto
)
5484 return &ofproto
->uuid
;
5487 const struct ofproto_class ofproto_dpif_class
= {
5501 NULL
, /* get_memory_usage. */
5502 type_get_memory_usage
,
5521 port_is_lacp_current
,
5522 port_get_lacp_stats
,
5523 NULL
, /* rule_choose_table */
5548 aa_vlan_get_queue_size
,
5555 get_stp_port_status
,
5560 get_rstp_port_status
,
5567 is_mirror_output_bundle
,
5568 forward_bpdu_changed
,
5569 set_mac_table_config
,
5571 set_mcast_snooping_port
,
5572 NULL
, /* meter_get_features */
5573 NULL
, /* meter_set */
5574 NULL
, /* meter_get */
5575 NULL
, /* meter_del */
5576 group_alloc
, /* group_alloc */
5577 group_construct
, /* group_construct */
5578 group_destruct
, /* group_destruct */
5579 group_dealloc
, /* group_dealloc */
5580 group_modify
, /* group_modify */
5581 group_get_stats
, /* group_get_stats */
5582 get_datapath_version
, /* get_datapath_version */