2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
19 #include "ofproto/ofproto-dpif.h"
20 #include "ofproto/ofproto-provider.h"
27 #include "byte-order.h"
28 #include "connectivity.h"
33 #include "dynamic-string.h"
34 #include "fail-open.h"
35 #include "guarded-list.h"
39 #include "mac-learning.h"
40 #include "mcast-snooping.h"
41 #include "meta-flow.h"
42 #include "multipath.h"
43 #include "netdev-vport.h"
48 #include "odp-execute.h"
51 #include "ofp-actions.h"
52 #include "ofp-parse.h"
53 #include "ofp-print.h"
54 #include "ofproto-dpif-ipfix.h"
55 #include "ofproto-dpif-mirror.h"
56 #include "ofproto-dpif-monitor.h"
57 #include "ofproto-dpif-rid.h"
58 #include "ofproto-dpif-sflow.h"
59 #include "ofproto-dpif-upcall.h"
60 #include "ofproto-dpif-xlate.h"
61 #include "poll-loop.h"
67 #include "unaligned.h"
69 #include "vlan-bitmap.h"
72 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
74 COVERAGE_DEFINE(ofproto_dpif_expired
);
75 COVERAGE_DEFINE(packet_in_overflow
);
84 * - Do include packets and bytes from datapath flows which have not
85 * recently been processed by a revalidator. */
86 struct ovs_mutex stats_mutex
;
87 struct dpif_flow_stats stats OVS_GUARDED
;
89 /* If non-zero then the recirculation id that has
90 * been allocated for use with this rule.
91 * The recirculation id and associated internal flow should
92 * be freed when the rule is freed */
96 /* RULE_CAST() depends on this. */
97 BUILD_ASSERT_DECL(offsetof(struct rule_dpif
, up
) == 0);
99 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
100 long long int *used
);
101 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
102 static void rule_expire(struct rule_dpif
*);
109 * - Do include packets and bytes from datapath flows which have not
110 * recently been processed by a revalidator. */
111 struct ovs_mutex stats_mutex
;
112 uint64_t packet_count OVS_GUARDED
; /* Number of packets received. */
113 uint64_t byte_count OVS_GUARDED
; /* Number of bytes received. */
117 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
118 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
119 void *aux
; /* Key supplied by ofproto's client. */
120 char *name
; /* Identifier for log messages. */
123 struct list ports
; /* Contains "struct ofport"s. */
124 enum port_vlan_mode vlan_mode
; /* VLAN mode */
125 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
126 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
127 * NULL if all VLANs are trunked. */
128 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
129 struct bond
*bond
; /* Nonnull iff more than one port. */
130 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
133 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
136 static void bundle_remove(struct ofport
*);
137 static void bundle_update(struct ofbundle
*);
138 static void bundle_destroy(struct ofbundle
*);
139 static void bundle_del_port(struct ofport_dpif
*);
140 static void bundle_run(struct ofbundle
*);
141 static void bundle_wait(struct ofbundle
*);
143 static void stp_run(struct ofproto_dpif
*ofproto
);
144 static void stp_wait(struct ofproto_dpif
*ofproto
);
145 static int set_stp_port(struct ofport
*,
146 const struct ofproto_port_stp_settings
*);
149 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
153 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
154 struct list bundle_node
; /* In struct ofbundle's "ports" list. */
155 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
156 struct bfd
*bfd
; /* BFD, if any. */
157 bool may_enable
; /* May be enabled in bonds. */
158 bool is_tunnel
; /* This port is a tunnel. */
159 bool is_layer3
; /* This is a layer 3 port. */
160 long long int carrier_seq
; /* Carrier status changes. */
161 struct ofport_dpif
*peer
; /* Peer if patch port. */
164 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
165 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
166 long long int stp_state_entered
;
168 /* Queue to DSCP mapping. */
169 struct ofproto_port_queue
*qdscp
;
172 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
174 * This is deprecated. It is only for compatibility with broken device
175 * drivers in old versions of Linux that do not properly support VLANs when
176 * VLAN devices are not used. When broken device drivers are no longer in
177 * widespread use, we will delete these interfaces. */
178 ofp_port_t realdev_ofp_port
;
182 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
184 * This is deprecated. It is only for compatibility with broken device drivers
185 * in old versions of Linux that do not properly support VLANs when VLAN
186 * devices are not used. When broken device drivers are no longer in
187 * widespread use, we will delete these interfaces. */
188 struct vlan_splinter
{
189 struct hmap_node realdev_vid_node
;
190 struct hmap_node vlandev_node
;
191 ofp_port_t realdev_ofp_port
;
192 ofp_port_t vlandev_ofp_port
;
196 static void vsp_remove(struct ofport_dpif
*);
197 static void vsp_add(struct ofport_dpif
*, ofp_port_t realdev_ofp_port
, int vid
);
199 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
202 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
205 static struct ofport_dpif
*
206 ofport_dpif_cast(const struct ofport
*ofport
)
208 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
211 static void port_run(struct ofport_dpif
*);
212 static int set_bfd(struct ofport
*, const struct smap
*);
213 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
214 static void ofport_update_peer(struct ofport_dpif
*);
216 /* Reasons that we might need to revalidate every datapath flow, and
217 * corresponding coverage counters.
219 * A value of 0 means that there is no need to revalidate.
221 * It would be nice to have some cleaner way to integrate with coverage
222 * counters, but with only a few reasons I guess this is good enough for
224 enum revalidate_reason
{
225 REV_RECONFIGURE
= 1, /* Switch configuration changed. */
226 REV_STP
, /* Spanning tree protocol port status change. */
227 REV_BOND
, /* Bonding changed. */
228 REV_PORT_TOGGLED
, /* Port enabled or disabled by CFM, LACP, ...*/
229 REV_FLOW_TABLE
, /* Flow table changed. */
230 REV_MAC_LEARNING
, /* Mac learning changed. */
231 REV_MCAST_SNOOPING
, /* Multicast snooping changed. */
233 COVERAGE_DEFINE(rev_reconfigure
);
234 COVERAGE_DEFINE(rev_stp
);
235 COVERAGE_DEFINE(rev_bond
);
236 COVERAGE_DEFINE(rev_port_toggled
);
237 COVERAGE_DEFINE(rev_flow_table
);
238 COVERAGE_DEFINE(rev_mac_learning
);
239 COVERAGE_DEFINE(rev_mcast_snooping
);
241 /* All datapaths of a given type share a single dpif backer instance. */
248 struct ovs_rwlock odp_to_ofport_lock
;
249 struct hmap odp_to_ofport_map OVS_GUARDED
; /* Contains "struct ofport"s. */
251 struct simap tnl_backers
; /* Set of dpif ports backing tunnels. */
253 enum revalidate_reason need_revalidate
; /* Revalidate all flows. */
255 bool recv_set_enable
; /* Enables or disables receiving packets. */
258 struct recirc_id_pool
*rid_pool
; /* Recirculation ID pool. */
259 bool enable_recirc
; /* True if the datapath supports recirculation */
261 /* True if the datapath supports variable-length
262 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
263 * False if the datapath supports only 8-byte (or shorter) userdata. */
264 bool variable_length_userdata
;
266 /* Maximum number of MPLS label stack entries that the datapath supports
268 size_t max_mpls_depth
;
271 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
272 static struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
274 struct ofproto_dpif
{
275 struct hmap_node all_ofproto_dpifs_node
; /* In 'all_ofproto_dpifs'. */
277 struct dpif_backer
*backer
;
279 uint64_t dump_seq
; /* Last read of udpif_dump_seq(). */
281 /* Special OpenFlow rules. */
282 struct rule_dpif
*miss_rule
; /* Sends flow table misses to controller. */
283 struct rule_dpif
*no_packet_in_rule
; /* Drops flow table misses. */
284 struct rule_dpif
*drop_frags_rule
; /* Used in OFPC_FRAG_DROP mode. */
287 struct netflow
*netflow
;
288 struct dpif_sflow
*sflow
;
289 struct dpif_ipfix
*ipfix
;
290 struct hmap bundles
; /* Contains "struct ofbundle"s. */
291 struct mac_learning
*ml
;
292 struct mcast_snooping
*ms
;
293 bool has_bonded_bundles
;
295 struct mbridge
*mbridge
;
297 struct ovs_mutex stats_mutex
;
298 struct netdev_stats stats OVS_GUARDED
; /* To account packets generated and
299 * consumed in userspace. */
303 long long int stp_last_tick
;
305 /* VLAN splinters. */
306 struct ovs_mutex vsp_mutex
;
307 struct hmap realdev_vid_map OVS_GUARDED
; /* (realdev,vid) -> vlandev. */
308 struct hmap vlandev_map OVS_GUARDED
; /* vlandev -> (realdev,vid). */
311 struct sset ports
; /* Set of standard port names. */
312 struct sset ghost_ports
; /* Ports with no datapath port. */
313 struct sset port_poll_set
; /* Queued names for port_poll() reply. */
314 int port_poll_errno
; /* Last errno for port_poll() reply. */
315 uint64_t change_seq
; /* Connectivity status changes. */
318 struct guarded_list pins
; /* Contains "struct ofputil_packet_in"s. */
319 struct seq
*pins_seq
; /* For notifying 'pins' reception. */
323 /* All existing ofproto_dpif instances, indexed by ->up.name. */
324 static struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
326 static void ofproto_dpif_unixctl_init(void);
328 static inline struct ofproto_dpif
*
329 ofproto_dpif_cast(const struct ofproto
*ofproto
)
331 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
332 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
336 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif
*ofproto
)
338 return ofproto
->backer
->max_mpls_depth
;
342 ofproto_dpif_get_enable_recirc(const struct ofproto_dpif
*ofproto
)
344 return ofproto
->backer
->enable_recirc
;
347 static struct ofport_dpif
*get_ofp_port(const struct ofproto_dpif
*ofproto
,
348 ofp_port_t ofp_port
);
349 static void ofproto_trace(struct ofproto_dpif
*, struct flow
*,
350 const struct ofpbuf
*packet
,
351 const struct ofpact
[], size_t ofpacts_len
,
354 /* Global variables. */
355 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
357 /* Initial mappings of port to bridge mappings. */
358 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
360 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
363 ofproto_dpif_flow_mod(struct ofproto_dpif
*ofproto
,
364 struct ofputil_flow_mod
*fm
)
366 ofproto_flow_mod(&ofproto
->up
, fm
);
369 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
370 * Takes ownership of 'pin' and pin->packet. */
372 ofproto_dpif_send_packet_in(struct ofproto_dpif
*ofproto
,
373 struct ofproto_packet_in
*pin
)
375 if (!guarded_list_push_back(&ofproto
->pins
, &pin
->list_node
, 1024)) {
376 COVERAGE_INC(packet_in_overflow
);
377 free(CONST_CAST(void *, pin
->up
.packet
));
381 /* Wakes up main thread for packet-in I/O. */
382 seq_change(ofproto
->pins_seq
);
385 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
386 * packet rather than to send the packet to the controller.
388 * This function returns false to indicate that a packet_in message
389 * for a "table-miss" should be sent to at least one controller.
390 * False otherwise. */
392 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif
*ofproto
)
394 return connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
);
397 /* Factory functions. */
400 init(const struct shash
*iface_hints
)
402 struct shash_node
*node
;
404 /* Make a local copy, since we don't own 'iface_hints' elements. */
405 SHASH_FOR_EACH(node
, iface_hints
) {
406 const struct iface_hint
*orig_hint
= node
->data
;
407 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
409 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
410 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
411 new_hint
->ofp_port
= orig_hint
->ofp_port
;
413 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
418 enumerate_types(struct sset
*types
)
420 dp_enumerate_types(types
);
424 enumerate_names(const char *type
, struct sset
*names
)
426 struct ofproto_dpif
*ofproto
;
429 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
430 if (strcmp(type
, ofproto
->up
.type
)) {
433 sset_add(names
, ofproto
->up
.name
);
440 del(const char *type
, const char *name
)
445 error
= dpif_open(name
, type
, &dpif
);
447 error
= dpif_delete(dpif
);
454 port_open_type(const char *datapath_type
, const char *port_type
)
456 return dpif_port_open_type(datapath_type
, port_type
);
459 /* Type functions. */
461 static void process_dpif_port_changes(struct dpif_backer
*);
462 static void process_dpif_all_ports_changed(struct dpif_backer
*);
463 static void process_dpif_port_change(struct dpif_backer
*,
464 const char *devname
);
465 static void process_dpif_port_error(struct dpif_backer
*, int error
);
467 static struct ofproto_dpif
*
468 lookup_ofproto_dpif_by_port_name(const char *name
)
470 struct ofproto_dpif
*ofproto
;
472 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
473 if (sset_contains(&ofproto
->ports
, name
)) {
482 type_run(const char *type
)
484 struct dpif_backer
*backer
;
486 backer
= shash_find_data(&all_dpif_backers
, type
);
488 /* This is not necessarily a problem, since backers are only
489 * created on demand. */
493 dpif_run(backer
->dpif
);
495 /* If vswitchd started with other_config:flow_restore_wait set as "true",
496 * and the configuration has now changed to "false", enable receiving
497 * packets from the datapath. */
498 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
501 backer
->recv_set_enable
= true;
503 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
505 VLOG_ERR("Failed to enable receiving packets in dpif.");
508 dpif_flow_flush(backer
->dpif
);
509 backer
->need_revalidate
= REV_RECONFIGURE
;
512 if (backer
->recv_set_enable
) {
513 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
516 if (backer
->need_revalidate
) {
517 struct ofproto_dpif
*ofproto
;
518 struct simap_node
*node
;
519 struct simap tmp_backers
;
521 /* Handle tunnel garbage collection. */
522 simap_init(&tmp_backers
);
523 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
525 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
526 struct ofport_dpif
*iter
;
528 if (backer
!= ofproto
->backer
) {
532 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
533 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
536 if (!iter
->is_tunnel
) {
540 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
541 namebuf
, sizeof namebuf
);
542 node
= simap_find(&tmp_backers
, dp_port
);
544 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
545 simap_delete(&tmp_backers
, node
);
546 node
= simap_find(&backer
->tnl_backers
, dp_port
);
548 node
= simap_find(&backer
->tnl_backers
, dp_port
);
550 odp_port_t odp_port
= ODPP_NONE
;
552 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
554 simap_put(&backer
->tnl_backers
, dp_port
,
555 odp_to_u32(odp_port
));
556 node
= simap_find(&backer
->tnl_backers
, dp_port
);
561 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
562 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
564 backer
->need_revalidate
= REV_RECONFIGURE
;
569 SIMAP_FOR_EACH (node
, &tmp_backers
) {
570 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
572 simap_destroy(&tmp_backers
);
574 switch (backer
->need_revalidate
) {
575 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
576 case REV_STP
: COVERAGE_INC(rev_stp
); break;
577 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
578 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
579 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
580 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
581 case REV_MCAST_SNOOPING
: COVERAGE_INC(rev_mcast_snooping
); break;
583 backer
->need_revalidate
= 0;
585 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
586 struct ofport_dpif
*ofport
;
587 struct ofbundle
*bundle
;
589 if (ofproto
->backer
!= backer
) {
594 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
595 ofproto
->backer
->dpif
, ofproto
->miss_rule
,
596 ofproto
->no_packet_in_rule
, ofproto
->ml
,
597 ofproto
->stp
, ofproto
->ms
, ofproto
->mbridge
,
598 ofproto
->sflow
, ofproto
->ipfix
,
599 ofproto
->netflow
, ofproto
->up
.frag_handling
,
600 ofproto
->up
.forward_bpdu
,
601 connmgr_has_in_band(ofproto
->up
.connmgr
),
602 ofproto
->backer
->enable_recirc
,
603 ofproto
->backer
->variable_length_userdata
,
604 ofproto
->backer
->max_mpls_depth
);
606 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
607 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
608 bundle
->vlan_mode
, bundle
->vlan
,
609 bundle
->trunks
, bundle
->use_priority_tags
,
610 bundle
->bond
, bundle
->lacp
,
614 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
615 int stp_port
= ofport
->stp_port
616 ? stp_port_no(ofport
->stp_port
)
618 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
619 ofport
->up
.ofp_port
, ofport
->odp_port
,
620 ofport
->up
.netdev
, ofport
->cfm
,
621 ofport
->bfd
, ofport
->peer
, stp_port
,
622 ofport
->qdscp
, ofport
->n_qdscp
,
623 ofport
->up
.pp
.config
, ofport
->up
.pp
.state
,
624 ofport
->is_tunnel
, ofport
->may_enable
);
629 udpif_revalidate(backer
->udpif
);
632 process_dpif_port_changes(backer
);
637 /* Check for and handle port changes in 'backer''s dpif. */
639 process_dpif_port_changes(struct dpif_backer
*backer
)
645 error
= dpif_port_poll(backer
->dpif
, &devname
);
651 process_dpif_all_ports_changed(backer
);
655 process_dpif_port_change(backer
, devname
);
660 process_dpif_port_error(backer
, error
);
667 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
669 struct ofproto_dpif
*ofproto
;
670 struct dpif_port dpif_port
;
671 struct dpif_port_dump dump
;
672 struct sset devnames
;
675 sset_init(&devnames
);
676 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
677 if (ofproto
->backer
== backer
) {
678 struct ofport
*ofport
;
680 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
681 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
685 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
686 sset_add(&devnames
, dpif_port
.name
);
689 SSET_FOR_EACH (devname
, &devnames
) {
690 process_dpif_port_change(backer
, devname
);
692 sset_destroy(&devnames
);
696 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
698 struct ofproto_dpif
*ofproto
;
699 struct dpif_port port
;
701 /* Don't report on the datapath's device. */
702 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
706 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
707 &all_ofproto_dpifs
) {
708 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
713 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
714 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
715 /* The port was removed. If we know the datapath,
716 * report it through poll_set(). If we don't, it may be
717 * notifying us of a removal we initiated, so ignore it.
718 * If there's a pending ENOBUFS, let it stand, since
719 * everything will be reevaluated. */
720 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
721 sset_add(&ofproto
->port_poll_set
, devname
);
722 ofproto
->port_poll_errno
= 0;
724 } else if (!ofproto
) {
725 /* The port was added, but we don't know with which
726 * ofproto we should associate it. Delete it. */
727 dpif_port_del(backer
->dpif
, port
.port_no
);
729 struct ofport_dpif
*ofport
;
731 ofport
= ofport_dpif_cast(shash_find_data(
732 &ofproto
->up
.port_by_name
, devname
));
734 && ofport
->odp_port
!= port
.port_no
735 && !odp_port_to_ofport(backer
, port
.port_no
))
737 /* 'ofport''s datapath port number has changed from
738 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
739 * structures to match. */
740 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
741 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
742 ofport
->odp_port
= port
.port_no
;
743 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
744 hash_odp_port(port
.port_no
));
745 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
746 backer
->need_revalidate
= REV_RECONFIGURE
;
749 dpif_port_destroy(&port
);
752 /* Propagate 'error' to all ofprotos based on 'backer'. */
754 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
756 struct ofproto_dpif
*ofproto
;
758 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
759 if (ofproto
->backer
== backer
) {
760 sset_clear(&ofproto
->port_poll_set
);
761 ofproto
->port_poll_errno
= error
;
767 type_wait(const char *type
)
769 struct dpif_backer
*backer
;
771 backer
= shash_find_data(&all_dpif_backers
, type
);
773 /* This is not necessarily a problem, since backers are only
774 * created on demand. */
778 dpif_wait(backer
->dpif
);
781 /* Basic life-cycle. */
783 static int add_internal_flows(struct ofproto_dpif
*);
785 static struct ofproto
*
788 struct ofproto_dpif
*ofproto
= xmalloc(sizeof *ofproto
);
793 dealloc(struct ofproto
*ofproto_
)
795 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
800 close_dpif_backer(struct dpif_backer
*backer
)
802 ovs_assert(backer
->refcount
> 0);
804 if (--backer
->refcount
) {
808 udpif_destroy(backer
->udpif
);
810 simap_destroy(&backer
->tnl_backers
);
811 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
812 hmap_destroy(&backer
->odp_to_ofport_map
);
813 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
814 recirc_id_pool_destroy(backer
->rid_pool
);
816 dpif_close(backer
->dpif
);
820 /* Datapath port slated for removal from datapath. */
822 struct list list_node
;
826 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
827 static size_t check_max_mpls_depth(struct dpif_backer
*backer
);
828 static bool check_recirc(struct dpif_backer
*backer
);
831 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
833 struct dpif_backer
*backer
;
834 struct dpif_port_dump port_dump
;
835 struct dpif_port port
;
836 struct shash_node
*node
;
837 struct list garbage_list
;
838 struct odp_garbage
*garbage
, *next
;
845 backer
= shash_find_data(&all_dpif_backers
, type
);
852 backer_name
= xasprintf("ovs-%s", type
);
854 /* Remove any existing datapaths, since we assume we're the only
855 * userspace controlling the datapath. */
857 dp_enumerate_names(type
, &names
);
858 SSET_FOR_EACH(name
, &names
) {
859 struct dpif
*old_dpif
;
861 /* Don't remove our backer if it exists. */
862 if (!strcmp(name
, backer_name
)) {
866 if (dpif_open(name
, type
, &old_dpif
)) {
867 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
869 dpif_delete(old_dpif
);
870 dpif_close(old_dpif
);
873 sset_destroy(&names
);
875 backer
= xmalloc(sizeof *backer
);
877 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
880 VLOG_ERR("failed to open datapath of type %s: %s", type
,
881 ovs_strerror(error
));
885 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
887 backer
->type
= xstrdup(type
);
888 backer
->refcount
= 1;
889 hmap_init(&backer
->odp_to_ofport_map
);
890 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
891 backer
->need_revalidate
= 0;
892 simap_init(&backer
->tnl_backers
);
893 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
896 if (backer
->recv_set_enable
) {
897 dpif_flow_flush(backer
->dpif
);
900 /* Loop through the ports already on the datapath and remove any
901 * that we don't need anymore. */
902 list_init(&garbage_list
);
903 dpif_port_dump_start(&port_dump
, backer
->dpif
);
904 while (dpif_port_dump_next(&port_dump
, &port
)) {
905 node
= shash_find(&init_ofp_ports
, port
.name
);
906 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
907 garbage
= xmalloc(sizeof *garbage
);
908 garbage
->odp_port
= port
.port_no
;
909 list_push_front(&garbage_list
, &garbage
->list_node
);
912 dpif_port_dump_done(&port_dump
);
914 LIST_FOR_EACH_SAFE (garbage
, next
, list_node
, &garbage_list
) {
915 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
916 list_remove(&garbage
->list_node
);
920 shash_add(&all_dpif_backers
, type
, backer
);
922 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
924 VLOG_ERR("failed to listen on datapath of type %s: %s",
925 type
, ovs_strerror(error
));
926 close_dpif_backer(backer
);
929 backer
->enable_recirc
= check_recirc(backer
);
930 backer
->variable_length_userdata
= check_variable_length_userdata(backer
);
931 backer
->max_mpls_depth
= check_max_mpls_depth(backer
);
932 backer
->rid_pool
= recirc_id_pool_create();
934 if (backer
->recv_set_enable
) {
935 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
941 /* Tests whether 'backer''s datapath supports recirculation. Only newer
942 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
943 * features on older datapaths that don't support this feature.
945 * Returns false if 'backer' definitely does not support recirculation, true if
946 * it seems to support recirculation or if at least the error we get is
949 check_recirc(struct dpif_backer
*backer
)
952 struct odputil_keybuf keybuf
;
955 bool enable_recirc
= false;
957 memset(&flow
, 0, sizeof flow
);
961 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
962 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, true);
964 error
= dpif_flow_put(backer
->dpif
, DPIF_FP_CREATE
| DPIF_FP_MODIFY
,
965 ofpbuf_data(&key
), ofpbuf_size(&key
), NULL
, 0, NULL
,
967 if (error
&& error
!= EEXIST
) {
968 if (error
!= EINVAL
) {
969 VLOG_WARN("%s: Reciculation flow probe failed (%s)",
970 dpif_name(backer
->dpif
), ovs_strerror(error
));
975 error
= dpif_flow_del(backer
->dpif
, ofpbuf_data(&key
), ofpbuf_size(&key
),
978 VLOG_WARN("%s: failed to delete recirculation feature probe flow",
979 dpif_name(backer
->dpif
));
982 enable_recirc
= true;
986 VLOG_INFO("%s: Datapath supports recirculation",
987 dpif_name(backer
->dpif
));
989 VLOG_INFO("%s: Datapath does not support recirculation",
990 dpif_name(backer
->dpif
));
993 return enable_recirc
;
996 /* Tests whether 'backer''s datapath supports variable-length
997 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
998 * to disable some features on older datapaths that don't support this
1001 * Returns false if 'backer' definitely does not support variable-length
1002 * userdata, true if it seems to support them or if at least the error we get
1005 check_variable_length_userdata(struct dpif_backer
*backer
)
1007 struct eth_header
*eth
;
1008 struct ofpbuf actions
;
1009 struct dpif_execute execute
;
1010 struct ofpbuf packet
;
1014 /* Compose a userspace action that will cause an ERANGE error on older
1015 * datapaths that don't support variable-length userdata.
1017 * We really test for using userdata longer than 8 bytes, but older
1018 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1019 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1020 * test for that instead as a proxy for longer userdata support. */
1021 ofpbuf_init(&actions
, 64);
1022 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
1023 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
1024 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
1025 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
1026 nl_msg_end_nested(&actions
, start
);
1028 /* Compose a dummy ethernet packet. */
1029 ofpbuf_init(&packet
, ETH_HEADER_LEN
);
1030 eth
= ofpbuf_put_zeros(&packet
, ETH_HEADER_LEN
);
1031 eth
->eth_type
= htons(0x1234);
1033 /* Execute the actions. On older datapaths this fails with ERANGE, on
1034 * newer datapaths it succeeds. */
1035 execute
.actions
= ofpbuf_data(&actions
);
1036 execute
.actions_len
= ofpbuf_size(&actions
);
1037 execute
.packet
= &packet
;
1038 execute
.md
= PKT_METADATA_INITIALIZER(0);
1039 execute
.needs_help
= false;
1041 error
= dpif_execute(backer
->dpif
, &execute
);
1043 ofpbuf_uninit(&packet
);
1044 ofpbuf_uninit(&actions
);
1048 /* Variable-length userdata is supported.
1050 * Purge received packets to avoid processing the nonsense packet we
1051 * sent to userspace, then report success. */
1052 dpif_recv_purge(backer
->dpif
);
1056 /* Variable-length userdata is not supported. */
1057 VLOG_WARN("%s: datapath does not support variable-length userdata "
1058 "feature (needs Linux 3.10+ or kernel module from OVS "
1059 "1..11+). The NXAST_SAMPLE action will be ignored.",
1060 dpif_name(backer
->dpif
));
1064 /* Something odd happened. We're not sure whether variable-length
1065 * userdata is supported. Default to "yes". */
1066 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1067 dpif_name(backer
->dpif
), ovs_strerror(error
));
1072 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1074 * Returns the number of elements in a struct flow's mpls_lse field
1075 * if the datapath supports at least that many entries in an
1077 * Otherwise returns the number of MPLS push actions supported by
1080 check_max_mpls_depth(struct dpif_backer
*backer
)
1085 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1086 struct odputil_keybuf keybuf
;
1090 memset(&flow
, 0, sizeof flow
);
1091 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1092 flow_set_mpls_bos(&flow
, n
, 1);
1094 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1095 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, false);
1097 error
= dpif_flow_put(backer
->dpif
, DPIF_FP_CREATE
| DPIF_FP_MODIFY
,
1098 ofpbuf_data(&key
), ofpbuf_size(&key
), NULL
, 0, NULL
, 0, NULL
);
1099 if (error
&& error
!= EEXIST
) {
1100 if (error
!= EINVAL
) {
1101 VLOG_WARN("%s: MPLS stack length feature probe failed (%s)",
1102 dpif_name(backer
->dpif
), ovs_strerror(error
));
1107 error
= dpif_flow_del(backer
->dpif
, ofpbuf_data(&key
), ofpbuf_size(&key
), NULL
);
1109 VLOG_WARN("%s: failed to delete MPLS feature probe flow",
1110 dpif_name(backer
->dpif
));
1114 VLOG_INFO("%s: MPLS label stack length probed as %d",
1115 dpif_name(backer
->dpif
), n
);
1120 construct(struct ofproto
*ofproto_
)
1122 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1123 struct shash_node
*node
, *next
;
1126 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1131 ofproto
->netflow
= NULL
;
1132 ofproto
->sflow
= NULL
;
1133 ofproto
->ipfix
= NULL
;
1134 ofproto
->stp
= NULL
;
1135 ofproto
->dump_seq
= 0;
1136 hmap_init(&ofproto
->bundles
);
1137 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1139 ofproto
->mbridge
= mbridge_create();
1140 ofproto
->has_bonded_bundles
= false;
1141 ofproto
->lacp_enabled
= false;
1142 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1143 ovs_mutex_init(&ofproto
->vsp_mutex
);
1145 guarded_list_init(&ofproto
->pins
);
1147 ofproto_dpif_unixctl_init();
1149 hmap_init(&ofproto
->vlandev_map
);
1150 hmap_init(&ofproto
->realdev_vid_map
);
1152 sset_init(&ofproto
->ports
);
1153 sset_init(&ofproto
->ghost_ports
);
1154 sset_init(&ofproto
->port_poll_set
);
1155 ofproto
->port_poll_errno
= 0;
1156 ofproto
->change_seq
= 0;
1157 ofproto
->pins_seq
= seq_create();
1158 ofproto
->pins_seqno
= seq_read(ofproto
->pins_seq
);
1161 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1162 struct iface_hint
*iface_hint
= node
->data
;
1164 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1165 /* Check if the datapath already has this port. */
1166 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1167 sset_add(&ofproto
->ports
, node
->name
);
1170 free(iface_hint
->br_name
);
1171 free(iface_hint
->br_type
);
1173 shash_delete(&init_ofp_ports
, node
);
1177 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1178 hash_string(ofproto
->up
.name
, 0));
1179 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1181 ofproto_init_tables(ofproto_
, N_TABLES
);
1182 error
= add_internal_flows(ofproto
);
1184 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1190 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1191 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1197 match_init_catchall(&match
);
1198 match_set_reg(&match
, 0, id
);
1200 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1202 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1208 add_internal_flows(struct ofproto_dpif
*ofproto
)
1210 struct ofpact_controller
*controller
;
1211 uint64_t ofpacts_stub
[128 / 8];
1212 struct ofpbuf ofpacts
;
1213 struct rule
*unused_rulep OVS_UNUSED
;
1214 struct ofpact_resubmit
*resubmit
;
1219 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1222 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1223 controller
->max_len
= UINT16_MAX
;
1224 controller
->controller_id
= 0;
1225 controller
->reason
= OFPR_NO_MATCH
;
1226 ofpact_pad(&ofpacts
);
1228 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1229 &ofproto
->miss_rule
);
1234 ofpbuf_clear(&ofpacts
);
1235 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1236 &ofproto
->no_packet_in_rule
);
1241 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1242 &ofproto
->drop_frags_rule
);
1247 /* Continue non-recirculation rule lookups from table 0.
1249 * (priority=2), recirc=0, actions=resubmit(, 0)
1251 resubmit
= ofpact_put_RESUBMIT(&ofpacts
);
1252 resubmit
->ofpact
.compat
= 0;
1253 resubmit
->in_port
= OFPP_IN_PORT
;
1254 resubmit
->table_id
= 0;
1256 match_init_catchall(&match
);
1257 match_set_recirc_id(&match
, 0);
1259 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1265 /* Drop any run away recirc rule lookups. Recirc_id has to be
1266 * non-zero when reaching this rule.
1268 * (priority=1), *, actions=drop
1270 ofpbuf_clear(&ofpacts
);
1271 match_init_catchall(&match
);
1272 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 1, 0, &ofpacts
,
1279 destruct(struct ofproto
*ofproto_
)
1281 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1282 struct rule_dpif
*rule
, *next_rule
;
1283 struct ofproto_packet_in
*pin
, *next_pin
;
1284 struct oftable
*table
;
1287 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1289 xlate_remove_ofproto(ofproto
);
1292 /* Ensure that the upcall processing threads have no remaining references
1293 * to the ofproto or anything in it. */
1294 udpif_synchronize(ofproto
->backer
->udpif
);
1296 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1298 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1299 struct cls_cursor cursor
;
1301 fat_rwlock_rdlock(&table
->cls
.rwlock
);
1302 cls_cursor_init(&cursor
, &table
->cls
, NULL
);
1303 fat_rwlock_unlock(&table
->cls
.rwlock
);
1304 CLS_CURSOR_FOR_EACH_SAFE (rule
, next_rule
, up
.cr
, &cursor
) {
1305 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1309 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1310 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1311 list_remove(&pin
->list_node
);
1312 free(CONST_CAST(void *, pin
->up
.packet
));
1315 guarded_list_destroy(&ofproto
->pins
);
1317 mbridge_unref(ofproto
->mbridge
);
1319 netflow_unref(ofproto
->netflow
);
1320 dpif_sflow_unref(ofproto
->sflow
);
1321 hmap_destroy(&ofproto
->bundles
);
1322 mac_learning_unref(ofproto
->ml
);
1323 mcast_snooping_unref(ofproto
->ms
);
1325 hmap_destroy(&ofproto
->vlandev_map
);
1326 hmap_destroy(&ofproto
->realdev_vid_map
);
1328 sset_destroy(&ofproto
->ports
);
1329 sset_destroy(&ofproto
->ghost_ports
);
1330 sset_destroy(&ofproto
->port_poll_set
);
1332 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1333 ovs_mutex_destroy(&ofproto
->vsp_mutex
);
1335 seq_destroy(ofproto
->pins_seq
);
1337 close_dpif_backer(ofproto
->backer
);
1341 run(struct ofproto
*ofproto_
)
1343 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1344 uint64_t new_seq
, new_dump_seq
;
1346 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1347 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1348 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1349 mac_learning_flush(ofproto
->ml
);
1350 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1351 mcast_snooping_mdb_flush(ofproto
->ms
);
1354 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1355 * flow restore. Even though nothing is processed during flow restore,
1356 * all queued 'pins' will be handled immediately when flow restore
1358 ofproto
->pins_seqno
= seq_read(ofproto
->pins_seq
);
1360 /* Do not perform any periodic activity required by 'ofproto' while
1361 * waiting for flow restore to complete. */
1362 if (!ofproto_get_flow_restore_wait()) {
1363 struct ofproto_packet_in
*pin
, *next_pin
;
1366 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1367 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1368 connmgr_send_packet_in(ofproto
->up
.connmgr
, pin
);
1369 list_remove(&pin
->list_node
);
1370 free(CONST_CAST(void *, pin
->up
.packet
));
1375 if (ofproto
->netflow
) {
1376 netflow_run(ofproto
->netflow
);
1378 if (ofproto
->sflow
) {
1379 dpif_sflow_run(ofproto
->sflow
);
1381 if (ofproto
->ipfix
) {
1382 dpif_ipfix_run(ofproto
->ipfix
);
1385 new_seq
= seq_read(connectivity_seq_get());
1386 if (ofproto
->change_seq
!= new_seq
) {
1387 struct ofport_dpif
*ofport
;
1389 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1393 ofproto
->change_seq
= new_seq
;
1395 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1396 struct ofbundle
*bundle
;
1398 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1404 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1405 if (mac_learning_run(ofproto
->ml
)) {
1406 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1408 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1410 if (mcast_snooping_run(ofproto
->ms
)) {
1411 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1414 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1415 if (ofproto
->dump_seq
!= new_dump_seq
) {
1416 struct rule
*rule
, *next_rule
;
1418 /* We know stats are relatively fresh, so now is a good time to do some
1420 ofproto
->dump_seq
= new_dump_seq
;
1422 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1424 ovs_mutex_lock(&ofproto_mutex
);
1425 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1426 &ofproto
->up
.expirable
) {
1427 rule_expire(rule_dpif_cast(rule
));
1429 ovs_mutex_unlock(&ofproto_mutex
);
1431 /* All outstanding data in existing flows has been accounted, so it's a
1432 * good time to do bond rebalancing. */
1433 if (ofproto
->has_bonded_bundles
) {
1434 struct ofbundle
*bundle
;
1436 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1438 bond_rebalance(bundle
->bond
);
1448 wait(struct ofproto
*ofproto_
)
1450 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1452 if (ofproto_get_flow_restore_wait()) {
1456 if (ofproto
->sflow
) {
1457 dpif_sflow_wait(ofproto
->sflow
);
1459 if (ofproto
->ipfix
) {
1460 dpif_ipfix_wait(ofproto
->ipfix
);
1462 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1463 struct ofbundle
*bundle
;
1465 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1466 bundle_wait(bundle
);
1469 if (ofproto
->netflow
) {
1470 netflow_wait(ofproto
->netflow
);
1472 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1473 mac_learning_wait(ofproto
->ml
);
1474 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1475 mcast_snooping_wait(ofproto
->ms
);
1477 if (ofproto
->backer
->need_revalidate
) {
1478 /* Shouldn't happen, but if it does just go around again. */
1479 VLOG_DBG_RL(&rl
, "need revalidate in ofproto_wait_cb()");
1480 poll_immediate_wake();
1483 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1484 seq_wait(ofproto
->pins_seq
, ofproto
->pins_seqno
);
1488 type_get_memory_usage(const char *type
, struct simap
*usage
)
1490 struct dpif_backer
*backer
;
1492 backer
= shash_find_data(&all_dpif_backers
, type
);
1494 udpif_get_memory_usage(backer
->udpif
, usage
);
1499 flush(struct ofproto
*ofproto_
)
1501 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1502 struct dpif_backer
*backer
= ofproto
->backer
;
1505 udpif_flush(backer
->udpif
);
1510 get_features(struct ofproto
*ofproto_ OVS_UNUSED
,
1511 bool *arp_match_ip
, enum ofputil_action_bitmap
*actions
)
1513 *arp_match_ip
= true;
1514 *actions
= (OFPUTIL_A_OUTPUT
|
1515 OFPUTIL_A_SET_VLAN_VID
|
1516 OFPUTIL_A_SET_VLAN_PCP
|
1517 OFPUTIL_A_STRIP_VLAN
|
1518 OFPUTIL_A_SET_DL_SRC
|
1519 OFPUTIL_A_SET_DL_DST
|
1520 OFPUTIL_A_SET_NW_SRC
|
1521 OFPUTIL_A_SET_NW_DST
|
1522 OFPUTIL_A_SET_NW_TOS
|
1523 OFPUTIL_A_SET_TP_SRC
|
1524 OFPUTIL_A_SET_TP_DST
|
1529 get_tables(struct ofproto
*ofproto
, struct ofp12_table_stats
*ots
)
1533 strcpy(ots
->name
, "classifier");
1535 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1536 unsigned long missed
, matched
;
1538 atomic_read(&ofproto
->tables
[i
].n_matched
, &matched
);
1539 ots
[i
].matched_count
= htonll(matched
);
1540 atomic_read(&ofproto
->tables
[i
].n_missed
, &missed
);
1541 ots
[i
].lookup_count
= htonll(matched
+ missed
);
1545 static struct ofport
*
1548 struct ofport_dpif
*port
= xmalloc(sizeof *port
);
1553 port_dealloc(struct ofport
*port_
)
1555 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1560 port_construct(struct ofport
*port_
)
1562 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1563 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1564 const struct netdev
*netdev
= port
->up
.netdev
;
1565 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1566 struct dpif_port dpif_port
;
1569 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1570 port
->bundle
= NULL
;
1573 port
->may_enable
= true;
1574 port
->stp_port
= NULL
;
1575 port
->stp_state
= STP_DISABLED
;
1576 port
->is_tunnel
= false;
1580 port
->realdev_ofp_port
= 0;
1581 port
->vlandev_vid
= 0;
1582 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1583 port
->is_layer3
= netdev_vport_is_layer3(netdev
);
1585 if (netdev_vport_is_patch(netdev
)) {
1586 /* By bailing out here, we don't submit the port to the sFlow module
1587 * to be considered for counter polling export. This is correct
1588 * because the patch port represents an interface that sFlow considers
1589 * to be "internal" to the switch as a whole, and therefore not an
1590 * candidate for counter polling. */
1591 port
->odp_port
= ODPP_NONE
;
1592 ofport_update_peer(port
);
1596 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
1597 netdev_vport_get_dpif_port(netdev
, namebuf
,
1604 port
->odp_port
= dpif_port
.port_no
;
1606 if (netdev_get_tunnel_config(netdev
)) {
1607 tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
);
1608 port
->is_tunnel
= true;
1610 /* Sanity-check that a mapping doesn't already exist. This
1611 * shouldn't happen for non-tunnel ports. */
1612 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1613 VLOG_ERR("port %s already has an OpenFlow port number",
1615 dpif_port_destroy(&dpif_port
);
1619 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1620 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1621 hash_odp_port(port
->odp_port
));
1622 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1624 dpif_port_destroy(&dpif_port
);
1626 if (ofproto
->sflow
) {
1627 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1634 port_destruct(struct ofport
*port_
)
1636 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1637 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1638 const char *devname
= netdev_get_name(port
->up
.netdev
);
1639 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1640 const char *dp_port_name
;
1642 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1644 xlate_ofport_remove(port
);
1647 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1649 if (dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1650 /* The underlying device is still there, so delete it. This
1651 * happens when the ofproto is being destroyed, since the caller
1652 * assumes that removal of attached ports will happen as part of
1654 if (!port
->is_tunnel
) {
1655 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1660 port
->peer
->peer
= NULL
;
1664 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1665 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1666 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1667 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1671 sset_find_and_delete(&ofproto
->ports
, devname
);
1672 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1673 bundle_remove(port_
);
1674 set_cfm(port_
, NULL
);
1675 set_bfd(port_
, NULL
);
1676 if (port
->stp_port
) {
1677 stp_port_disable(port
->stp_port
);
1679 if (ofproto
->sflow
) {
1680 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1687 port_modified(struct ofport
*port_
)
1689 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1691 if (port
->bundle
&& port
->bundle
->bond
) {
1692 bond_slave_set_netdev(port
->bundle
->bond
, port
, port
->up
.netdev
);
1696 cfm_set_netdev(port
->cfm
, port
->up
.netdev
);
1700 bfd_set_netdev(port
->bfd
, port
->up
.netdev
);
1703 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1704 port
->up
.pp
.hw_addr
);
1706 if (port
->is_tunnel
&& tnl_port_reconfigure(port
, port
->up
.netdev
,
1708 ofproto_dpif_cast(port
->up
.ofproto
)->backer
->need_revalidate
=
1712 ofport_update_peer(port
);
1716 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1718 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1719 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1720 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1722 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
1723 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
1724 OFPUTIL_PC_NO_PACKET_IN
)) {
1725 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1727 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
1728 bundle_update(port
->bundle
);
1734 set_sflow(struct ofproto
*ofproto_
,
1735 const struct ofproto_sflow_options
*sflow_options
)
1737 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1738 struct dpif_sflow
*ds
= ofproto
->sflow
;
1740 if (sflow_options
) {
1742 struct ofport_dpif
*ofport
;
1744 ds
= ofproto
->sflow
= dpif_sflow_create();
1745 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1746 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
1748 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1750 dpif_sflow_set_options(ds
, sflow_options
);
1753 dpif_sflow_unref(ds
);
1754 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1755 ofproto
->sflow
= NULL
;
1763 struct ofproto
*ofproto_
,
1764 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
1765 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
1766 size_t n_flow_exporters_options
)
1768 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1769 struct dpif_ipfix
*di
= ofproto
->ipfix
;
1770 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
1772 if (has_options
&& !di
) {
1773 di
= ofproto
->ipfix
= dpif_ipfix_create();
1777 /* Call set_options in any case to cleanly flush the flow
1778 * caches in the last exporters that are to be destroyed. */
1779 dpif_ipfix_set_options(
1780 di
, bridge_exporter_options
, flow_exporters_options
,
1781 n_flow_exporters_options
);
1784 dpif_ipfix_unref(di
);
1785 ofproto
->ipfix
= NULL
;
1793 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
1795 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1800 struct ofproto_dpif
*ofproto
;
1802 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1803 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1804 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
1807 if (cfm_configure(ofport
->cfm
, s
)) {
1814 cfm_unref(ofport
->cfm
);
1817 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1818 ofport
->up
.pp
.hw_addr
);
1823 cfm_status_changed(struct ofport
*ofport_
)
1825 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1827 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
1831 get_cfm_status(const struct ofport
*ofport_
,
1832 struct cfm_status
*status
)
1834 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1838 cfm_get_status(ofport
->cfm
, status
);
1847 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
1849 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
1850 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1854 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
1855 cfg
, ofport
->up
.netdev
);
1856 if (ofport
->bfd
!= old
) {
1857 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1859 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1860 ofport
->up
.pp
.hw_addr
);
1865 bfd_status_changed(struct ofport
*ofport_
)
1867 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1869 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
1873 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
1875 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1879 bfd_get_status(ofport
->bfd
, smap
);
1887 /* Spanning Tree. */
1890 send_bpdu_cb(struct ofpbuf
*pkt
, int port_num
, void *ofproto_
)
1892 struct ofproto_dpif
*ofproto
= ofproto_
;
1893 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
1894 struct ofport_dpif
*ofport
;
1896 ofport
= stp_port_get_aux(sp
);
1898 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
1899 ofproto
->up
.name
, port_num
);
1901 struct eth_header
*eth
= ofpbuf_l2(pkt
);
1903 netdev_get_etheraddr(ofport
->up
.netdev
, eth
->eth_src
);
1904 if (eth_addr_is_zero(eth
->eth_src
)) {
1905 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
1906 "with unknown MAC", ofproto
->up
.name
, port_num
);
1908 ofproto_dpif_send_packet(ofport
, pkt
);
1914 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
1916 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
1918 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1920 /* Only revalidate flows if the configuration changed. */
1921 if (!s
!= !ofproto
->stp
) {
1922 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1926 if (!ofproto
->stp
) {
1927 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
1928 send_bpdu_cb
, ofproto
);
1929 ofproto
->stp_last_tick
= time_msec();
1932 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
1933 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
1934 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
1935 stp_set_max_age(ofproto
->stp
, s
->max_age
);
1936 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
1938 struct ofport
*ofport
;
1940 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
1941 set_stp_port(ofport
, NULL
);
1944 stp_unref(ofproto
->stp
);
1945 ofproto
->stp
= NULL
;
1952 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
1954 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1958 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
1959 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
1960 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
1969 update_stp_port_state(struct ofport_dpif
*ofport
)
1971 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1972 enum stp_state state
;
1974 /* Figure out new state. */
1975 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
1979 if (ofport
->stp_state
!= state
) {
1980 enum ofputil_port_state of_state
;
1983 VLOG_DBG_RL(&rl
, "port %s: STP state changed from %s to %s",
1984 netdev_get_name(ofport
->up
.netdev
),
1985 stp_state_name(ofport
->stp_state
),
1986 stp_state_name(state
));
1987 if (stp_learn_in_state(ofport
->stp_state
)
1988 != stp_learn_in_state(state
)) {
1989 /* xxx Learning action flows should also be flushed. */
1990 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1991 mac_learning_flush(ofproto
->ml
);
1992 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1993 mcast_snooping_mdb_flush(ofproto
->ms
);
1995 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
1996 != stp_forward_in_state(state
);
1998 ofproto
->backer
->need_revalidate
= REV_STP
;
1999 ofport
->stp_state
= state
;
2000 ofport
->stp_state_entered
= time_msec();
2002 if (fwd_change
&& ofport
->bundle
) {
2003 bundle_update(ofport
->bundle
);
2006 /* Update the STP state bits in the OpenFlow port description. */
2007 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2008 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2009 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2010 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2011 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2013 ofproto_port_set_state(&ofport
->up
, of_state
);
2017 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2018 * caller is responsible for assigning STP port numbers and ensuring
2019 * there are no duplicates. */
2021 set_stp_port(struct ofport
*ofport_
,
2022 const struct ofproto_port_stp_settings
*s
)
2024 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2025 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2026 struct stp_port
*sp
= ofport
->stp_port
;
2028 if (!s
|| !s
->enable
) {
2030 ofport
->stp_port
= NULL
;
2031 stp_port_disable(sp
);
2032 update_stp_port_state(ofport
);
2035 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2036 && ofport
== stp_port_get_aux(sp
)) {
2037 /* The port-id changed, so disable the old one if it's not
2038 * already in use by another port. */
2039 stp_port_disable(sp
);
2042 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2043 stp_port_enable(sp
);
2045 stp_port_set_aux(sp
, ofport
);
2046 stp_port_set_priority(sp
, s
->priority
);
2047 stp_port_set_path_cost(sp
, s
->path_cost
);
2049 update_stp_port_state(ofport
);
2055 get_stp_port_status(struct ofport
*ofport_
,
2056 struct ofproto_port_stp_status
*s
)
2058 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2059 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2060 struct stp_port
*sp
= ofport
->stp_port
;
2062 if (!ofproto
->stp
|| !sp
) {
2068 s
->port_id
= stp_port_get_id(sp
);
2069 s
->state
= stp_port_get_state(sp
);
2070 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2071 s
->role
= stp_port_get_role(sp
);
2077 get_stp_port_stats(struct ofport
*ofport_
,
2078 struct ofproto_port_stp_stats
*s
)
2080 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2081 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2082 struct stp_port
*sp
= ofport
->stp_port
;
2084 if (!ofproto
->stp
|| !sp
) {
2090 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2096 stp_run(struct ofproto_dpif
*ofproto
)
2099 long long int now
= time_msec();
2100 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2101 struct stp_port
*sp
;
2104 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2105 ofproto
->stp_last_tick
= now
;
2107 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2108 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2111 update_stp_port_state(ofport
);
2115 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2116 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2117 mac_learning_flush(ofproto
->ml
);
2118 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2119 mcast_snooping_mdb_flush(ofproto
->ms
);
2125 stp_wait(struct ofproto_dpif
*ofproto
)
2128 poll_timer_wait(1000);
2133 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2136 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2137 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2139 if (ofport
->n_qdscp
!= n_qdscp
2140 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2141 n_qdscp
* sizeof *qdscp
))) {
2142 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2143 free(ofport
->qdscp
);
2144 ofport
->qdscp
= n_qdscp
2145 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2147 ofport
->n_qdscp
= n_qdscp
;
2155 /* Expires all MAC learning entries associated with 'bundle' and forces its
2156 * ofproto to revalidate every flow.
2158 * Normally MAC learning entries are removed only from the ofproto associated
2159 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2160 * are removed from every ofproto. When patch ports and SLB bonds are in use
2161 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2162 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2163 * with the host from which it migrated. */
2165 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2167 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2168 struct mac_learning
*ml
= ofproto
->ml
;
2169 struct mac_entry
*mac
, *next_mac
;
2171 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2172 ovs_rwlock_wrlock(&ml
->rwlock
);
2173 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2174 if (mac
->port
.p
== bundle
) {
2176 struct ofproto_dpif
*o
;
2178 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2180 struct mac_entry
*e
;
2182 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2183 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2185 mac_learning_expire(o
->ml
, e
);
2187 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2192 mac_learning_expire(ml
, mac
);
2195 ovs_rwlock_unlock(&ml
->rwlock
);
2198 static struct ofbundle
*
2199 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2201 struct ofbundle
*bundle
;
2203 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2204 &ofproto
->bundles
) {
2205 if (bundle
->aux
== aux
) {
2213 bundle_update(struct ofbundle
*bundle
)
2215 struct ofport_dpif
*port
;
2217 bundle
->floodable
= true;
2218 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2219 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2221 || !stp_forward_in_state(port
->stp_state
)) {
2222 bundle
->floodable
= false;
2229 bundle_del_port(struct ofport_dpif
*port
)
2231 struct ofbundle
*bundle
= port
->bundle
;
2233 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2235 list_remove(&port
->bundle_node
);
2236 port
->bundle
= NULL
;
2239 lacp_slave_unregister(bundle
->lacp
, port
);
2242 bond_slave_unregister(bundle
->bond
, port
);
2245 bundle_update(bundle
);
2249 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2250 struct lacp_slave_settings
*lacp
)
2252 struct ofport_dpif
*port
;
2254 port
= get_ofp_port(bundle
->ofproto
, ofp_port
);
2259 if (port
->bundle
!= bundle
) {
2260 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2262 bundle_remove(&port
->up
);
2265 port
->bundle
= bundle
;
2266 list_push_back(&bundle
->ports
, &port
->bundle_node
);
2267 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2269 || !stp_forward_in_state(port
->stp_state
)) {
2270 bundle
->floodable
= false;
2274 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2275 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2282 bundle_destroy(struct ofbundle
*bundle
)
2284 struct ofproto_dpif
*ofproto
;
2285 struct ofport_dpif
*port
, *next_port
;
2291 ofproto
= bundle
->ofproto
;
2292 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
->aux
);
2295 xlate_bundle_remove(bundle
);
2298 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2299 bundle_del_port(port
);
2302 bundle_flush_macs(bundle
, true);
2303 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2305 free(bundle
->trunks
);
2306 lacp_unref(bundle
->lacp
);
2307 bond_unref(bundle
->bond
);
2312 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2313 const struct ofproto_bundle_settings
*s
)
2315 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2316 bool need_flush
= false;
2317 struct ofport_dpif
*port
;
2318 struct ofbundle
*bundle
;
2319 unsigned long *trunks
;
2325 bundle_destroy(bundle_lookup(ofproto
, aux
));
2329 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
2330 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
2332 bundle
= bundle_lookup(ofproto
, aux
);
2334 bundle
= xmalloc(sizeof *bundle
);
2336 bundle
->ofproto
= ofproto
;
2337 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
2338 hash_pointer(aux
, 0));
2340 bundle
->name
= NULL
;
2342 list_init(&bundle
->ports
);
2343 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
2345 bundle
->trunks
= NULL
;
2346 bundle
->use_priority_tags
= s
->use_priority_tags
;
2347 bundle
->lacp
= NULL
;
2348 bundle
->bond
= NULL
;
2350 bundle
->floodable
= true;
2351 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
2354 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
2356 bundle
->name
= xstrdup(s
->name
);
2361 ofproto
->lacp_enabled
= true;
2362 if (!bundle
->lacp
) {
2363 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2364 bundle
->lacp
= lacp_create();
2366 lacp_configure(bundle
->lacp
, s
->lacp
);
2368 lacp_unref(bundle
->lacp
);
2369 bundle
->lacp
= NULL
;
2372 /* Update set of ports. */
2374 for (i
= 0; i
< s
->n_slaves
; i
++) {
2375 if (!bundle_add_port(bundle
, s
->slaves
[i
],
2376 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
2380 if (!ok
|| list_size(&bundle
->ports
) != s
->n_slaves
) {
2381 struct ofport_dpif
*next_port
;
2383 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2384 for (i
= 0; i
< s
->n_slaves
; i
++) {
2385 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
2390 bundle_del_port(port
);
2394 ovs_assert(list_size(&bundle
->ports
) <= s
->n_slaves
);
2396 if (list_is_empty(&bundle
->ports
)) {
2397 bundle_destroy(bundle
);
2401 /* Set VLAN tagging mode */
2402 if (s
->vlan_mode
!= bundle
->vlan_mode
2403 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
2404 bundle
->vlan_mode
= s
->vlan_mode
;
2405 bundle
->use_priority_tags
= s
->use_priority_tags
;
2410 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
2411 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
2413 if (vlan
!= bundle
->vlan
) {
2414 bundle
->vlan
= vlan
;
2418 /* Get trunked VLANs. */
2419 switch (s
->vlan_mode
) {
2420 case PORT_VLAN_ACCESS
:
2424 case PORT_VLAN_TRUNK
:
2425 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2428 case PORT_VLAN_NATIVE_UNTAGGED
:
2429 case PORT_VLAN_NATIVE_TAGGED
:
2430 if (vlan
!= 0 && (!s
->trunks
2431 || !bitmap_is_set(s
->trunks
, vlan
)
2432 || bitmap_is_set(s
->trunks
, 0))) {
2433 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2435 trunks
= bitmap_clone(s
->trunks
, 4096);
2437 trunks
= bitmap_allocate1(4096);
2439 bitmap_set1(trunks
, vlan
);
2440 bitmap_set0(trunks
, 0);
2442 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2449 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
2450 free(bundle
->trunks
);
2451 if (trunks
== s
->trunks
) {
2452 bundle
->trunks
= vlan_bitmap_clone(trunks
);
2454 bundle
->trunks
= trunks
;
2459 if (trunks
!= s
->trunks
) {
2464 if (!list_is_short(&bundle
->ports
)) {
2465 bundle
->ofproto
->has_bonded_bundles
= true;
2467 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
2468 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2471 bundle
->bond
= bond_create(s
->bond
, ofproto
);
2472 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2475 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2476 bond_slave_register(bundle
->bond
, port
,
2477 port
->up
.ofp_port
, port
->up
.netdev
);
2480 bond_unref(bundle
->bond
);
2481 bundle
->bond
= NULL
;
2484 /* If we changed something that would affect MAC learning, un-learn
2485 * everything on this port and force flow revalidation. */
2487 bundle_flush_macs(bundle
, false);
2494 bundle_remove(struct ofport
*port_
)
2496 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2497 struct ofbundle
*bundle
= port
->bundle
;
2500 bundle_del_port(port
);
2501 if (list_is_empty(&bundle
->ports
)) {
2502 bundle_destroy(bundle
);
2503 } else if (list_is_short(&bundle
->ports
)) {
2504 bond_unref(bundle
->bond
);
2505 bundle
->bond
= NULL
;
2511 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
2513 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
2514 struct ofport_dpif
*port
= port_
;
2515 uint8_t ea
[ETH_ADDR_LEN
];
2518 error
= netdev_get_etheraddr(port
->up
.netdev
, ea
);
2520 struct ofpbuf packet
;
2523 ofpbuf_init(&packet
, 0);
2524 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
2526 memcpy(packet_pdu
, pdu
, pdu_size
);
2528 ofproto_dpif_send_packet(port
, &packet
);
2529 ofpbuf_uninit(&packet
);
2531 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
2532 "%s (%s)", port
->bundle
->name
,
2533 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
2538 bundle_send_learning_packets(struct ofbundle
*bundle
)
2540 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2541 struct ofpbuf
*learning_packet
;
2542 int error
, n_packets
, n_errors
;
2543 struct mac_entry
*e
;
2544 struct list packets
;
2546 list_init(&packets
);
2547 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
2548 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
2549 if (e
->port
.p
!= bundle
) {
2552 learning_packet
= bond_compose_learning_packet(bundle
->bond
,
2555 /* Temporarily use 'frame' as a private pointer (see below). */
2556 ovs_assert(learning_packet
->frame
== ofpbuf_data(learning_packet
));
2557 learning_packet
->frame
= port_void
;
2558 list_push_back(&packets
, &learning_packet
->list_node
);
2561 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2563 error
= n_packets
= n_errors
= 0;
2564 LIST_FOR_EACH (learning_packet
, list_node
, &packets
) {
2566 void *port_void
= learning_packet
->frame
;
2568 /* Restore 'frame'. */
2569 learning_packet
->frame
= ofpbuf_data(learning_packet
);
2570 ret
= ofproto_dpif_send_packet(port_void
, learning_packet
);
2577 ofpbuf_list_delete(&packets
);
2580 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2581 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
2582 "packets, last error was: %s",
2583 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
2585 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
2586 bundle
->name
, n_packets
);
2591 bundle_run(struct ofbundle
*bundle
)
2594 lacp_run(bundle
->lacp
, send_pdu_cb
);
2597 struct ofport_dpif
*port
;
2599 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2600 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
2603 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
2604 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
2607 if (bond_should_send_learning_packets(bundle
->bond
)) {
2608 bundle_send_learning_packets(bundle
);
2614 bundle_wait(struct ofbundle
*bundle
)
2617 lacp_wait(bundle
->lacp
);
2620 bond_wait(bundle
->bond
);
2627 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
2628 const struct ofproto_mirror_settings
*s
)
2630 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2631 struct ofbundle
**srcs
, **dsts
;
2636 mirror_destroy(ofproto
->mbridge
, aux
);
2640 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
2641 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
2643 for (i
= 0; i
< s
->n_srcs
; i
++) {
2644 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
2647 for (i
= 0; i
< s
->n_dsts
; i
++) {
2648 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
2651 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
2652 s
->n_dsts
, s
->src_vlans
,
2653 bundle_lookup(ofproto
, s
->out_bundle
), s
->out_vlan
);
2660 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
2661 uint64_t *packets
, uint64_t *bytes
)
2663 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
2668 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
2670 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2671 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2672 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
2673 mac_learning_flush(ofproto
->ml
);
2675 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2680 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
2682 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2683 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
2684 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
2688 forward_bpdu_changed(struct ofproto
*ofproto_
)
2690 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2691 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2695 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
2698 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2699 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2700 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
2701 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
2702 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2705 /* Configures multicast snooping on 'ofport' using the settings
2706 * defined in 's'. */
2708 set_mcast_snooping(struct ofproto
*ofproto_
,
2709 const struct ofproto_mcast_snooping_settings
*s
)
2711 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2713 /* Only revalidate flows if the configuration changed. */
2714 if (!s
!= !ofproto
->ms
) {
2715 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2720 ofproto
->ms
= mcast_snooping_create();
2723 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
2724 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
2725 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
2726 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
2727 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2729 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
2731 mcast_snooping_unref(ofproto
->ms
);
2738 /* Configures multicast snooping port's flood setting on 'ofproto'. */
2740 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
, bool flood
)
2742 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2743 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
2746 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
2747 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
->vlan
, bundle
,
2749 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
2757 static struct ofport_dpif
*
2758 get_ofp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
2760 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
2761 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
2765 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
2766 struct ofproto_port
*ofproto_port
,
2767 struct dpif_port
*dpif_port
)
2769 ofproto_port
->name
= dpif_port
->name
;
2770 ofproto_port
->type
= dpif_port
->type
;
2771 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
2775 ofport_update_peer(struct ofport_dpif
*ofport
)
2777 const struct ofproto_dpif
*ofproto
;
2778 struct dpif_backer
*backer
;
2781 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
2785 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
2786 backer
->need_revalidate
= REV_RECONFIGURE
;
2789 ofport
->peer
->peer
= NULL
;
2790 ofport
->peer
= NULL
;
2793 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
2798 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2799 struct ofport
*peer_ofport
;
2800 struct ofport_dpif
*peer
;
2803 if (ofproto
->backer
!= backer
) {
2807 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
2812 peer
= ofport_dpif_cast(peer_ofport
);
2813 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
2814 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
2816 ofport
->peer
= peer
;
2817 ofport
->peer
->peer
= ofport
;
2827 port_run(struct ofport_dpif
*ofport
)
2829 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
2830 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
2831 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
2832 bool cfm_enable
= false;
2833 bool bfd_enable
= false;
2835 ofport
->carrier_seq
= carrier_seq
;
2838 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
2840 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
2842 if (cfm_opup
>= 0) {
2843 cfm_enable
= cfm_enable
&& cfm_opup
;
2848 bfd_enable
= bfd_forwarding(ofport
->bfd
);
2851 if (ofport
->bfd
|| ofport
->cfm
) {
2852 enable
= enable
&& (cfm_enable
|| bfd_enable
);
2855 if (ofport
->bundle
) {
2856 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
2857 if (carrier_changed
) {
2858 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
2862 if (ofport
->may_enable
!= enable
) {
2863 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2864 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
2867 ofport
->may_enable
= enable
;
2871 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
2872 struct ofproto_port
*ofproto_port
)
2874 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2875 struct dpif_port dpif_port
;
2878 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
2879 const char *type
= netdev_get_type_from_name(devname
);
2881 /* We may be called before ofproto->up.port_by_name is populated with
2882 * the appropriate ofport. For this reason, we must get the name and
2883 * type from the netdev layer directly. */
2885 const struct ofport
*ofport
;
2887 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
2888 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
2889 ofproto_port
->name
= xstrdup(devname
);
2890 ofproto_port
->type
= xstrdup(type
);
2896 if (!sset_contains(&ofproto
->ports
, devname
)) {
2899 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
2900 devname
, &dpif_port
);
2902 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
2908 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
2910 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2911 const char *devname
= netdev_get_name(netdev
);
2912 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
2913 const char *dp_port_name
;
2915 if (netdev_vport_is_patch(netdev
)) {
2916 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
2920 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
2921 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
2922 odp_port_t port_no
= ODPP_NONE
;
2925 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
2929 if (netdev_get_tunnel_config(netdev
)) {
2930 simap_put(&ofproto
->backer
->tnl_backers
,
2931 dp_port_name
, odp_to_u32(port_no
));
2935 if (netdev_get_tunnel_config(netdev
)) {
2936 sset_add(&ofproto
->ghost_ports
, devname
);
2938 sset_add(&ofproto
->ports
, devname
);
2944 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
2946 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2947 struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
2954 sset_find_and_delete(&ofproto
->ghost_ports
,
2955 netdev_get_name(ofport
->up
.netdev
));
2956 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2957 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
2958 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
2960 /* The caller is going to close ofport->up.netdev. If this is a
2961 * bonded port, then the bond is using that netdev, so remove it
2962 * from the bond. The client will need to reconfigure everything
2963 * after deleting ports, so then the slave will get re-added. */
2964 bundle_remove(&ofport
->up
);
2971 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
2973 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2976 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
2978 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
2979 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2981 ovs_mutex_lock(&ofproto
->stats_mutex
);
2982 /* ofproto->stats.tx_packets represents packets that we created
2983 * internally and sent to some port (e.g. packets sent with
2984 * ofproto_dpif_send_packet()). Account for them as if they had
2985 * come from OFPP_LOCAL and got forwarded. */
2987 if (stats
->rx_packets
!= UINT64_MAX
) {
2988 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
2991 if (stats
->rx_bytes
!= UINT64_MAX
) {
2992 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
2995 /* ofproto->stats.rx_packets represents packets that were received on
2996 * some port and we processed internally and dropped (e.g. STP).
2997 * Account for them as if they had been forwarded to OFPP_LOCAL. */
2999 if (stats
->tx_packets
!= UINT64_MAX
) {
3000 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3003 if (stats
->tx_bytes
!= UINT64_MAX
) {
3004 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3006 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3012 struct port_dump_state
{
3017 struct ofproto_port port
;
3022 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3024 *statep
= xzalloc(sizeof(struct port_dump_state
));
3029 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3030 struct ofproto_port
*port
)
3032 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3033 struct port_dump_state
*state
= state_
;
3034 const struct sset
*sset
;
3035 struct sset_node
*node
;
3037 if (state
->has_port
) {
3038 ofproto_port_destroy(&state
->port
);
3039 state
->has_port
= false;
3041 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3042 while ((node
= sset_at_position(sset
, &state
->bucket
, &state
->offset
))) {
3045 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3047 *port
= state
->port
;
3048 state
->has_port
= true;
3050 } else if (error
!= ENODEV
) {
3055 if (!state
->ghost
) {
3056 state
->ghost
= true;
3059 return port_dump_next(ofproto_
, state_
, port
);
3066 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3068 struct port_dump_state
*state
= state_
;
3070 if (state
->has_port
) {
3071 ofproto_port_destroy(&state
->port
);
3078 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3080 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3082 if (ofproto
->port_poll_errno
) {
3083 int error
= ofproto
->port_poll_errno
;
3084 ofproto
->port_poll_errno
= 0;
3088 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3092 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3097 port_poll_wait(const struct ofproto
*ofproto_
)
3099 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3100 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3104 port_is_lacp_current(const struct ofport
*ofport_
)
3106 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3107 return (ofport
->bundle
&& ofport
->bundle
->lacp
3108 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3112 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3113 * then delete it entirely. */
3115 rule_expire(struct rule_dpif
*rule
)
3116 OVS_REQUIRES(ofproto_mutex
)
3118 uint16_t hard_timeout
, idle_timeout
;
3119 long long int now
= time_msec();
3122 hard_timeout
= rule
->up
.hard_timeout
;
3123 idle_timeout
= rule
->up
.idle_timeout
;
3125 /* Has 'rule' expired? */
3127 long long int modified
;
3129 ovs_mutex_lock(&rule
->up
.mutex
);
3130 modified
= rule
->up
.modified
;
3131 ovs_mutex_unlock(&rule
->up
.mutex
);
3133 if (now
> modified
+ hard_timeout
* 1000) {
3134 reason
= OFPRR_HARD_TIMEOUT
;
3138 if (reason
< 0 && idle_timeout
) {
3141 ovs_mutex_lock(&rule
->stats_mutex
);
3142 used
= rule
->stats
.used
;
3143 ovs_mutex_unlock(&rule
->stats_mutex
);
3145 if (now
> used
+ idle_timeout
* 1000) {
3146 reason
= OFPRR_IDLE_TIMEOUT
;
3151 COVERAGE_INC(ofproto_dpif_expired
);
3152 ofproto_rule_expire(&rule
->up
, reason
);
3156 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3157 * 'flow' must reflect the data in 'packet'. */
3159 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3160 const struct flow
*flow
,
3161 struct rule_dpif
*rule
,
3162 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3163 struct ofpbuf
*packet
)
3165 struct dpif_flow_stats stats
;
3166 struct xlate_out xout
;
3167 struct xlate_in xin
;
3169 struct dpif_execute execute
;
3172 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3174 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3177 rule_dpif_credit_stats(rule
, &stats
);
3180 xlate_in_init(&xin
, ofproto
, flow
, rule
, stats
.tcp_flags
, packet
);
3181 xin
.ofpacts
= ofpacts
;
3182 xin
.ofpacts_len
= ofpacts_len
;
3183 xin
.resubmit_stats
= &stats
;
3184 xlate_actions(&xin
, &xout
);
3186 execute
.actions
= ofpbuf_data(&xout
.odp_actions
);
3187 execute
.actions_len
= ofpbuf_size(&xout
.odp_actions
);
3188 execute
.packet
= packet
;
3189 execute
.md
= pkt_metadata_from_flow(flow
);
3190 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3192 /* Fix up in_port. */
3193 in_port
= flow
->in_port
.ofp_port
;
3194 if (in_port
== OFPP_NONE
) {
3195 in_port
= OFPP_LOCAL
;
3197 execute
.md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3199 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3201 xlate_out_uninit(&xout
);
3207 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3208 const struct dpif_flow_stats
*stats
)
3210 ovs_mutex_lock(&rule
->stats_mutex
);
3211 rule
->stats
.n_packets
+= stats
->n_packets
;
3212 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3213 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3214 ovs_mutex_unlock(&rule
->stats_mutex
);
3218 rule_dpif_get_flow_cookie(const struct rule_dpif
*rule
)
3219 OVS_REQUIRES(rule
->up
.mutex
)
3221 return rule
->up
.flow_cookie
;
3225 rule_dpif_reduce_timeouts(struct rule_dpif
*rule
, uint16_t idle_timeout
,
3226 uint16_t hard_timeout
)
3228 ofproto_rule_reduce_timeouts(&rule
->up
, idle_timeout
, hard_timeout
);
3231 /* Returns 'rule''s actions. The caller owns a reference on the returned
3232 * actions and must eventually release it (with rule_actions_unref()) to avoid
3234 const struct rule_actions
*
3235 rule_dpif_get_actions(const struct rule_dpif
*rule
)
3237 return rule_get_actions(&rule
->up
);
3240 /* Sets 'rule''s recirculation id. */
3242 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
3243 OVS_REQUIRES(rule
->up
.mutex
)
3245 ovs_assert(!rule
->recirc_id
);
3246 rule
->recirc_id
= id
;
3249 /* Returns 'rule''s recirculation id. */
3251 rule_dpif_get_recirc_id(struct rule_dpif
*rule
)
3252 OVS_REQUIRES(rule
->up
.mutex
)
3254 if (!rule
->recirc_id
) {
3255 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3257 rule_dpif_set_recirc_id(rule
, ofproto_dpif_alloc_recirc_id(ofproto
));
3259 return rule
->recirc_id
;
3262 /* Sets 'rule''s recirculation id. */
3264 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
3266 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3268 ovs_mutex_lock(&rule
->up
.mutex
);
3269 rule_dpif_set_recirc_id(rule
, id
);
3270 ovs_mutex_unlock(&rule
->up
.mutex
);
3273 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
3274 * If 'wc' is non-null, sets the fields that were relevant as part of
3275 * the lookup. Returns the table_id where a match or miss occurred.
3277 * The return value will be zero unless there was a miss and
3278 * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables
3279 * where misses occur.
3281 * The rule is returned in '*rule', which is valid at least until the next
3282 * RCU quiescent period. If the '*rule' needs to stay around longer,
3283 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3284 * on it before this returns. */
3286 rule_dpif_lookup(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
3287 struct flow_wildcards
*wc
, struct rule_dpif
**rule
,
3288 bool take_ref
, const struct dpif_flow_stats
*stats
)
3290 enum rule_dpif_lookup_verdict verdict
;
3291 enum ofputil_port_config config
= 0;
3294 if (ofproto_dpif_get_enable_recirc(ofproto
)) {
3295 /* Always exactly match recirc_id since datapath supports
3298 wc
->masks
.recirc_id
= UINT32_MAX
;
3301 /* Start looking up from internal table for post recirculation flows
3302 * or packets. We can also simply send all, including normal flows
3303 * or packets to the internal table. They will not match any post
3304 * recirculation rules except the 'catch all' rule that resubmit
3307 * As an optimization, we send normal flows and packets to table 0
3308 * directly, saving one table lookup. */
3309 table_id
= flow
->recirc_id
? TBL_INTERNAL
: 0;
3314 verdict
= rule_dpif_lookup_from_table(ofproto
, flow
, wc
, true,
3315 &table_id
, rule
, take_ref
, stats
);
3318 case RULE_DPIF_LOOKUP_VERDICT_MATCH
:
3320 case RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
: {
3321 struct ofport_dpif
*port
;
3323 port
= get_ofp_port(ofproto
, flow
->in_port
.ofp_port
);
3325 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu16
,
3326 flow
->in_port
.ofp_port
);
3328 config
= port
? port
->up
.pp
.config
: 0;
3331 case RULE_DPIF_LOOKUP_VERDICT_DROP
:
3332 config
= OFPUTIL_PC_NO_PACKET_IN
;
3334 case RULE_DPIF_LOOKUP_VERDICT_DEFAULT
:
3335 if (!connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
3336 config
= OFPUTIL_PC_NO_PACKET_IN
;
3343 choose_miss_rule(config
, ofproto
->miss_rule
,
3344 ofproto
->no_packet_in_rule
, rule
, take_ref
);
3348 /* The returned rule is valid at least until the next RCU quiescent period.
3349 * If the '*rule' needs to stay around longer, a non-zero 'take_ref' must be
3350 * passed in to cause a reference to be taken on it before this returns. */
3351 static struct rule_dpif
*
3352 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
3353 const struct flow
*flow
, struct flow_wildcards
*wc
,
3356 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
3357 const struct cls_rule
*cls_rule
;
3358 struct rule_dpif
*rule
;
3360 fat_rwlock_rdlock(&cls
->rwlock
);
3361 if (ofproto
->up
.frag_handling
!= OFPC_FRAG_NX_MATCH
) {
3363 memset(&wc
->masks
.dl_type
, 0xff, sizeof wc
->masks
.dl_type
);
3364 if (is_ip_any(flow
)) {
3365 wc
->masks
.nw_frag
|= FLOW_NW_FRAG_MASK
;
3369 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
) {
3370 if (ofproto
->up
.frag_handling
== OFPC_FRAG_NORMAL
) {
3371 /* We must pretend that transport ports are unavailable. */
3372 struct flow ofpc_normal_flow
= *flow
;
3373 ofpc_normal_flow
.tp_src
= htons(0);
3374 ofpc_normal_flow
.tp_dst
= htons(0);
3375 cls_rule
= classifier_lookup(cls
, &ofpc_normal_flow
, wc
);
3377 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM). */
3378 cls_rule
= &ofproto
->drop_frags_rule
->up
.cr
;
3381 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3384 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3387 rule
= rule_dpif_cast(rule_from_cls_rule(cls_rule
));
3389 rule_dpif_ref(rule
);
3391 fat_rwlock_unlock(&cls
->rwlock
);
3396 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3397 * Stores the rule that was found in '*rule', or NULL if none was found.
3398 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3401 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3402 * if none is found then the table miss configuration for that table is
3403 * honored, which can result in additional lookups in other OpenFlow tables.
3404 * In this case the function updates '*table_id' to reflect the final OpenFlow
3405 * table that was searched.
3407 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3412 * - RULE_DPIF_LOOKUP_VERDICT_MATCH if a rule (in '*rule') was found.
3414 * - RULE_OFPTC_TABLE_MISS_CONTROLLER if no rule was found and either:
3415 * + 'honor_table_miss' is false
3416 * + a table miss configuration specified that the packet should be
3417 * sent to the controller in this case.
3419 * - RULE_DPIF_LOOKUP_VERDICT_DROP if no rule was found, 'honor_table_miss'
3420 * is true and a table miss configuration specified that the packet
3421 * should be dropped in this case.
3423 * - RULE_DPIF_LOOKUP_VERDICT_DEFAULT if no rule was found,
3424 * 'honor_table_miss' is true and a table miss configuration has
3425 * not been specified in this case.
3427 * The rule is returned in '*rule', which is valid at least until the next
3428 * RCU quiescent period. If the '*rule' needs to stay around longer,
3429 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3430 * on it before this returns. */
3431 enum rule_dpif_lookup_verdict
3432 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
,
3433 const struct flow
*flow
,
3434 struct flow_wildcards
*wc
,
3435 bool honor_table_miss
,
3436 uint8_t *table_id
, struct rule_dpif
**rule
,
3437 bool take_ref
, const struct dpif_flow_stats
*stats
)
3441 for (next_id
= *table_id
;
3442 next_id
< ofproto
->up
.n_tables
;
3443 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
3445 *table_id
= next_id
;
3446 *rule
= rule_dpif_lookup_in_table(ofproto
, *table_id
, flow
, wc
,
3449 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
3450 atomic_ulong
*stat
= *rule
? &tbl
->n_matched
: &tbl
->n_missed
;
3452 atomic_add(stat
, stats
->n_packets
, &orig
);
3455 return RULE_DPIF_LOOKUP_VERDICT_MATCH
;
3456 } else if (!honor_table_miss
) {
3457 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3459 switch (ofproto_table_get_config(&ofproto
->up
, *table_id
)) {
3460 case OFPROTO_TABLE_MISS_CONTINUE
:
3463 case OFPROTO_TABLE_MISS_CONTROLLER
:
3464 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3466 case OFPROTO_TABLE_MISS_DROP
:
3467 return RULE_DPIF_LOOKUP_VERDICT_DROP
;
3469 case OFPROTO_TABLE_MISS_DEFAULT
:
3470 return RULE_DPIF_LOOKUP_VERDICT_DEFAULT
;
3475 return RULE_DPIF_LOOKUP_VERDICT_CONTROLLER
;
3478 /* Given a port configuration (specified as zero if there's no port), chooses
3479 * which of 'miss_rule' and 'no_packet_in_rule' should be used in case of a
3482 * The rule is returned in '*rule', which is valid at least until the next
3483 * RCU quiescent period. If the '*rule' needs to stay around longer,
3484 * a reference must be taken on it (rule_dpif_ref()).
3487 choose_miss_rule(enum ofputil_port_config config
, struct rule_dpif
*miss_rule
,
3488 struct rule_dpif
*no_packet_in_rule
, struct rule_dpif
**rule
,
3491 *rule
= config
& OFPUTIL_PC_NO_PACKET_IN
? no_packet_in_rule
: miss_rule
;
3493 rule_dpif_ref(*rule
);
3498 complete_operation(struct rule_dpif
*rule
)
3499 OVS_REQUIRES(ofproto_mutex
)
3501 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3503 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3506 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
3508 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
3511 static struct rule
*
3514 struct rule_dpif
*rule
= xmalloc(sizeof *rule
);
3519 rule_dealloc(struct rule
*rule_
)
3521 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3526 rule_construct(struct rule
*rule_
)
3527 OVS_NO_THREAD_SAFETY_ANALYSIS
3529 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3530 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
3531 rule
->stats
.n_packets
= 0;
3532 rule
->stats
.n_bytes
= 0;
3533 rule
->stats
.used
= rule
->up
.modified
;
3534 rule
->recirc_id
= 0;
3540 rule_insert(struct rule
*rule_
)
3541 OVS_REQUIRES(ofproto_mutex
)
3543 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3544 complete_operation(rule
);
3549 rule_delete(struct rule
*rule_
)
3550 OVS_REQUIRES(ofproto_mutex
)
3552 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3553 complete_operation(rule
);
3557 rule_destruct(struct rule
*rule_
)
3559 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3561 ovs_mutex_destroy(&rule
->stats_mutex
);
3562 if (rule
->recirc_id
) {
3563 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3565 ofproto_dpif_free_recirc_id(ofproto
, rule
->recirc_id
);
3570 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
3571 long long int *used
)
3573 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3575 ovs_mutex_lock(&rule
->stats_mutex
);
3576 *packets
= rule
->stats
.n_packets
;
3577 *bytes
= rule
->stats
.n_bytes
;
3578 *used
= rule
->stats
.used
;
3579 ovs_mutex_unlock(&rule
->stats_mutex
);
3583 rule_dpif_execute(struct rule_dpif
*rule
, const struct flow
*flow
,
3584 struct ofpbuf
*packet
)
3586 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3588 ofproto_dpif_execute_actions(ofproto
, flow
, rule
, NULL
, 0, packet
);
3592 rule_execute(struct rule
*rule
, const struct flow
*flow
,
3593 struct ofpbuf
*packet
)
3595 rule_dpif_execute(rule_dpif_cast(rule
), flow
, packet
);
3596 ofpbuf_delete(packet
);
3601 rule_modify_actions(struct rule
*rule_
, bool reset_counters
)
3602 OVS_REQUIRES(ofproto_mutex
)
3604 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3606 if (reset_counters
) {
3607 ovs_mutex_lock(&rule
->stats_mutex
);
3608 rule
->stats
.n_packets
= 0;
3609 rule
->stats
.n_bytes
= 0;
3610 ovs_mutex_unlock(&rule
->stats_mutex
);
3613 complete_operation(rule
);
3616 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
3618 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
3621 static struct ofgroup
*
3624 struct group_dpif
*group
= xzalloc(sizeof *group
);
3629 group_dealloc(struct ofgroup
*group_
)
3631 struct group_dpif
*group
= group_dpif_cast(group_
);
3636 group_construct_stats(struct group_dpif
*group
)
3637 OVS_REQUIRES(group
->stats_mutex
)
3639 struct ofputil_bucket
*bucket
;
3640 const struct list
*buckets
;
3642 group
->packet_count
= 0;
3643 group
->byte_count
= 0;
3645 group_dpif_get_buckets(group
, &buckets
);
3646 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
3647 bucket
->stats
.packet_count
= 0;
3648 bucket
->stats
.byte_count
= 0;
3653 group_dpif_credit_stats(struct group_dpif
*group
,
3654 struct ofputil_bucket
*bucket
,
3655 const struct dpif_flow_stats
*stats
)
3657 ovs_mutex_lock(&group
->stats_mutex
);
3658 group
->packet_count
+= stats
->n_packets
;
3659 group
->byte_count
+= stats
->n_bytes
;
3661 bucket
->stats
.packet_count
+= stats
->n_packets
;
3662 bucket
->stats
.byte_count
+= stats
->n_bytes
;
3663 } else { /* Credit to all buckets */
3664 const struct list
*buckets
;
3666 group_dpif_get_buckets(group
, &buckets
);
3667 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
3668 bucket
->stats
.packet_count
+= stats
->n_packets
;
3669 bucket
->stats
.byte_count
+= stats
->n_bytes
;
3672 ovs_mutex_unlock(&group
->stats_mutex
);
3676 group_construct(struct ofgroup
*group_
)
3678 struct group_dpif
*group
= group_dpif_cast(group_
);
3679 const struct ofputil_bucket
*bucket
;
3681 /* Prevent group chaining because our locking structure makes it hard to
3682 * implement deadlock-free. (See xlate_group_resource_check().) */
3683 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
3684 const struct ofpact
*a
;
3686 OFPACT_FOR_EACH (a
, bucket
->ofpacts
, bucket
->ofpacts_len
) {
3687 if (a
->type
== OFPACT_GROUP
) {
3688 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED
;
3693 ovs_mutex_init_adaptive(&group
->stats_mutex
);
3694 ovs_mutex_lock(&group
->stats_mutex
);
3695 group_construct_stats(group
);
3696 ovs_mutex_unlock(&group
->stats_mutex
);
3701 group_destruct(struct ofgroup
*group_
)
3703 struct group_dpif
*group
= group_dpif_cast(group_
);
3704 ovs_mutex_destroy(&group
->stats_mutex
);
3708 group_modify(struct ofgroup
*group_
)
3710 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(group_
->ofproto
);
3712 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3718 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
3720 struct group_dpif
*group
= group_dpif_cast(group_
);
3721 struct ofputil_bucket
*bucket
;
3722 const struct list
*buckets
;
3723 struct bucket_counter
*bucket_stats
;
3725 ovs_mutex_lock(&group
->stats_mutex
);
3726 ogs
->packet_count
= group
->packet_count
;
3727 ogs
->byte_count
= group
->byte_count
;
3729 group_dpif_get_buckets(group
, &buckets
);
3730 bucket_stats
= ogs
->bucket_stats
;
3731 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
3732 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
3733 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
3736 ovs_mutex_unlock(&group
->stats_mutex
);
3741 /* If the group exists, this function increments the groups's reference count.
3743 * Make sure to call group_dpif_unref() after no longer needing to maintain
3744 * a reference to the group. */
3746 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
3747 struct group_dpif
**group
)
3749 struct ofgroup
*ofgroup
;
3752 found
= ofproto_group_lookup(&ofproto
->up
, group_id
, &ofgroup
);
3753 *group
= found
? group_dpif_cast(ofgroup
) : NULL
;
3759 group_dpif_get_buckets(const struct group_dpif
*group
,
3760 const struct list
**buckets
)
3762 *buckets
= &group
->up
.buckets
;
3765 enum ofp11_group_type
3766 group_dpif_get_type(const struct group_dpif
*group
)
3768 return group
->up
.type
;
3771 /* Sends 'packet' out 'ofport'.
3772 * May modify 'packet'.
3773 * Returns 0 if successful, otherwise a positive errno value. */
3775 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, struct ofpbuf
*packet
)
3777 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3780 error
= xlate_send_packet(ofport
, packet
);
3782 ovs_mutex_lock(&ofproto
->stats_mutex
);
3783 ofproto
->stats
.tx_packets
++;
3784 ofproto
->stats
.tx_bytes
+= ofpbuf_size(packet
);
3785 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3790 set_frag_handling(struct ofproto
*ofproto_
,
3791 enum ofp_config_flags frag_handling
)
3793 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3794 if (frag_handling
!= OFPC_FRAG_REASM
) {
3795 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3803 packet_out(struct ofproto
*ofproto_
, struct ofpbuf
*packet
,
3804 const struct flow
*flow
,
3805 const struct ofpact
*ofpacts
, size_t ofpacts_len
)
3807 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3809 ofproto_dpif_execute_actions(ofproto
, flow
, NULL
, ofpacts
,
3810 ofpacts_len
, packet
);
3817 set_netflow(struct ofproto
*ofproto_
,
3818 const struct netflow_options
*netflow_options
)
3820 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3822 if (netflow_options
) {
3823 if (!ofproto
->netflow
) {
3824 ofproto
->netflow
= netflow_create();
3825 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3827 return netflow_set_options(ofproto
->netflow
, netflow_options
);
3828 } else if (ofproto
->netflow
) {
3829 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3830 netflow_unref(ofproto
->netflow
);
3831 ofproto
->netflow
= NULL
;
3838 get_netflow_ids(const struct ofproto
*ofproto_
,
3839 uint8_t *engine_type
, uint8_t *engine_id
)
3841 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3843 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
3846 static struct ofproto_dpif
*
3847 ofproto_dpif_lookup(const char *name
)
3849 struct ofproto_dpif
*ofproto
;
3851 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
3852 hash_string(name
, 0), &all_ofproto_dpifs
) {
3853 if (!strcmp(ofproto
->up
.name
, name
)) {
3861 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
3862 const char *argv
[], void *aux OVS_UNUSED
)
3864 struct ofproto_dpif
*ofproto
;
3867 ofproto
= ofproto_dpif_lookup(argv
[1]);
3869 unixctl_command_reply_error(conn
, "no such bridge");
3872 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3873 mac_learning_flush(ofproto
->ml
);
3874 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3876 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3877 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3878 mac_learning_flush(ofproto
->ml
);
3879 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3883 unixctl_command_reply(conn
, "table successfully flushed");
3887 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
3888 const char *argv
[], void *aux OVS_UNUSED
)
3890 struct ofproto_dpif
*ofproto
;
3893 ofproto
= ofproto_dpif_lookup(argv
[1]);
3895 unixctl_command_reply_error(conn
, "no such bridge");
3899 if (!mcast_snooping_enabled(ofproto
->ms
)) {
3900 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
3903 mcast_snooping_mdb_flush(ofproto
->ms
);
3905 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3906 if (!mcast_snooping_enabled(ofproto
->ms
)) {
3909 mcast_snooping_mdb_flush(ofproto
->ms
);
3913 unixctl_command_reply(conn
, "table successfully flushed");
3916 static struct ofport_dpif
*
3917 ofbundle_get_a_port(const struct ofbundle
*bundle
)
3919 return CONTAINER_OF(list_front(&bundle
->ports
), struct ofport_dpif
,
3924 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3925 const char *argv
[], void *aux OVS_UNUSED
)
3927 struct ds ds
= DS_EMPTY_INITIALIZER
;
3928 const struct ofproto_dpif
*ofproto
;
3929 const struct mac_entry
*e
;
3931 ofproto
= ofproto_dpif_lookup(argv
[1]);
3933 unixctl_command_reply_error(conn
, "no such bridge");
3937 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
3938 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
3939 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
3940 struct ofbundle
*bundle
= e
->port
.p
;
3941 char name
[OFP_MAX_PORT_NAME_LEN
];
3943 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
3945 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
3946 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
3947 mac_entry_age(ofproto
->ml
, e
));
3949 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3950 unixctl_command_reply(conn
, ds_cstr(&ds
));
3955 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
3956 int argc OVS_UNUSED
,
3958 void *aux OVS_UNUSED
)
3960 struct ds ds
= DS_EMPTY_INITIALIZER
;
3961 const struct ofproto_dpif
*ofproto
;
3962 const struct ofbundle
*bundle
;
3963 const struct mcast_group
*grp
;
3964 struct mcast_group_bundle
*b
;
3965 struct mcast_mrouter_bundle
*mrouter
;
3967 ofproto
= ofproto_dpif_lookup(argv
[1]);
3969 unixctl_command_reply_error(conn
, "no such bridge");
3973 if (!mcast_snooping_enabled(ofproto
->ms
)) {
3974 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
3978 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
3979 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
3980 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
3981 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
3982 char name
[OFP_MAX_PORT_NAME_LEN
];
3985 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
3987 ds_put_format(&ds
, "%5s %4d "IP_FMT
" %3d\n",
3988 name
, grp
->vlan
, IP_ARGS(grp
->ip4
),
3989 mcast_bundle_age(ofproto
->ms
, b
));
3993 /* ports connected to multicast routers */
3994 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
3995 char name
[OFP_MAX_PORT_NAME_LEN
];
3997 bundle
= mrouter
->port
;
3998 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4000 ds_put_format(&ds
, "%5s %4d querier %3d\n",
4001 name
, mrouter
->vlan
,
4002 mcast_mrouter_age(ofproto
->ms
, mrouter
));
4004 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
4005 unixctl_command_reply(conn
, ds_cstr(&ds
));
4010 struct xlate_out xout
;
4011 struct xlate_in xin
;
4012 const struct flow
*key
;
4014 struct flow_wildcards wc
;
4019 trace_format_rule(struct ds
*result
, int level
, const struct rule_dpif
*rule
)
4021 const struct rule_actions
*actions
;
4024 ds_put_char_multiple(result
, '\t', level
);
4026 ds_put_cstr(result
, "No match\n");
4030 ovs_mutex_lock(&rule
->up
.mutex
);
4031 cookie
= rule
->up
.flow_cookie
;
4032 ovs_mutex_unlock(&rule
->up
.mutex
);
4034 ds_put_format(result
, "Rule: table=%"PRIu8
" cookie=%#"PRIx64
" ",
4035 rule
? rule
->up
.table_id
: 0, ntohll(cookie
));
4036 cls_rule_format(&rule
->up
.cr
, result
);
4037 ds_put_char(result
, '\n');
4039 actions
= rule_dpif_get_actions(rule
);
4041 ds_put_char_multiple(result
, '\t', level
);
4042 ds_put_cstr(result
, "OpenFlow actions=");
4043 ofpacts_format(actions
->ofpacts
, actions
->ofpacts_len
, result
);
4044 ds_put_char(result
, '\n');
4048 trace_format_flow(struct ds
*result
, int level
, const char *title
,
4049 struct trace_ctx
*trace
)
4051 ds_put_char_multiple(result
, '\t', level
);
4052 ds_put_format(result
, "%s: ", title
);
4053 /* Do not report unchanged flows for resubmits. */
4054 if ((level
> 0 && flow_equal(&trace
->xin
.flow
, &trace
->flow
))
4055 || (level
== 0 && flow_equal(&trace
->xin
.flow
, trace
->key
))) {
4056 ds_put_cstr(result
, "unchanged");
4058 flow_format(result
, &trace
->xin
.flow
);
4059 trace
->flow
= trace
->xin
.flow
;
4061 ds_put_char(result
, '\n');
4065 trace_format_regs(struct ds
*result
, int level
, const char *title
,
4066 struct trace_ctx
*trace
)
4070 ds_put_char_multiple(result
, '\t', level
);
4071 ds_put_format(result
, "%s:", title
);
4072 for (i
= 0; i
< FLOW_N_REGS
; i
++) {
4073 ds_put_format(result
, " reg%"PRIuSIZE
"=0x%"PRIx32
, i
, trace
->flow
.regs
[i
]);
4075 ds_put_char(result
, '\n');
4079 trace_format_odp(struct ds
*result
, int level
, const char *title
,
4080 struct trace_ctx
*trace
)
4082 struct ofpbuf
*odp_actions
= &trace
->xout
.odp_actions
;
4084 ds_put_char_multiple(result
, '\t', level
);
4085 ds_put_format(result
, "%s: ", title
);
4086 format_odp_actions(result
, ofpbuf_data(odp_actions
),
4087 ofpbuf_size(odp_actions
));
4088 ds_put_char(result
, '\n');
4092 trace_format_megaflow(struct ds
*result
, int level
, const char *title
,
4093 struct trace_ctx
*trace
)
4097 ds_put_char_multiple(result
, '\t', level
);
4098 ds_put_format(result
, "%s: ", title
);
4099 flow_wildcards_or(&trace
->wc
, &trace
->xout
.wc
, &trace
->wc
);
4100 match_init(&match
, trace
->key
, &trace
->wc
);
4101 match_format(&match
, result
, OFP_DEFAULT_PRIORITY
);
4102 ds_put_char(result
, '\n');
4106 trace_resubmit(struct xlate_in
*xin
, struct rule_dpif
*rule
, int recurse
)
4108 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4109 struct ds
*result
= trace
->result
;
4111 ds_put_char(result
, '\n');
4112 trace_format_flow(result
, recurse
+ 1, "Resubmitted flow", trace
);
4113 trace_format_regs(result
, recurse
+ 1, "Resubmitted regs", trace
);
4114 trace_format_odp(result
, recurse
+ 1, "Resubmitted odp", trace
);
4115 trace_format_megaflow(result
, recurse
+ 1, "Resubmitted megaflow", trace
);
4116 trace_format_rule(result
, recurse
+ 1, rule
);
4120 trace_report(struct xlate_in
*xin
, const char *s
, int recurse
)
4122 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4123 struct ds
*result
= trace
->result
;
4125 ds_put_char_multiple(result
, '\t', recurse
);
4126 ds_put_cstr(result
, s
);
4127 ds_put_char(result
, '\n');
4130 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4131 * forms are supported:
4133 * - [dpname] odp_flow [-generate | packet]
4134 * - bridge br_flow [-generate | packet]
4136 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4137 * returns a nonnull malloced error message. */
4138 static char * WARN_UNUSED_RESULT
4139 parse_flow_and_packet(int argc
, const char *argv
[],
4140 struct ofproto_dpif
**ofprotop
, struct flow
*flow
,
4141 struct ofpbuf
**packetp
)
4143 const struct dpif_backer
*backer
= NULL
;
4144 const char *error
= NULL
;
4146 struct simap port_names
= SIMAP_INITIALIZER(&port_names
);
4147 struct ofpbuf
*packet
;
4148 struct ofpbuf odp_key
;
4149 struct ofpbuf odp_mask
;
4151 ofpbuf_init(&odp_key
, 0);
4152 ofpbuf_init(&odp_mask
, 0);
4154 /* Handle "-generate" or a hex string as the last argument. */
4155 if (!strcmp(argv
[argc
- 1], "-generate")) {
4156 packet
= ofpbuf_new(0);
4159 error
= eth_from_hex(argv
[argc
- 1], &packet
);
4162 } else if (argc
== 4) {
4163 /* The 3-argument form must end in "-generate' or a hex string. */
4169 /* odp_flow can have its in_port specified as a name instead of port no.
4170 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4171 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4172 * we need to create a simap of name to port no. */
4174 const char *dp_type
;
4175 if (!strncmp(argv
[1], "ovs-", 4)) {
4176 dp_type
= argv
[1] + 4;
4180 backer
= shash_find_data(&all_dpif_backers
, dp_type
);
4181 } else if (argc
== 2) {
4182 struct shash_node
*node
;
4183 if (shash_count(&all_dpif_backers
) == 1) {
4184 node
= shash_first(&all_dpif_backers
);
4185 backer
= node
->data
;
4188 error
= "Syntax error";
4191 if (backer
&& backer
->dpif
) {
4192 struct dpif_port dpif_port
;
4193 struct dpif_port_dump port_dump
;
4194 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, backer
->dpif
) {
4195 simap_put(&port_names
, dpif_port
.name
,
4196 odp_to_u32(dpif_port
.port_no
));
4200 /* Parse the flow and determine whether a datapath or
4201 * bridge is specified. If function odp_flow_key_from_string()
4202 * returns 0, the flow is a odp_flow. If function
4203 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4204 if (!odp_flow_from_string(argv
[argc
- 1], &port_names
,
4205 &odp_key
, &odp_mask
)) {
4207 error
= "Cannot find the datapath";
4211 if (xlate_receive(backer
, NULL
, ofpbuf_data(&odp_key
),
4212 ofpbuf_size(&odp_key
), flow
,
4213 ofprotop
, NULL
, NULL
, NULL
, NULL
)) {
4214 error
= "Invalid datapath flow";
4218 char *err
= parse_ofp_exact_flow(flow
, NULL
, argv
[argc
- 1], NULL
);
4221 m_err
= xasprintf("Bad flow syntax: %s", err
);
4226 error
= "Must specify bridge name";
4230 *ofprotop
= ofproto_dpif_lookup(argv
[1]);
4232 error
= "Unknown bridge name";
4238 /* Generate a packet, if requested. */
4240 if (!ofpbuf_size(packet
)) {
4241 flow_compose(packet
, flow
);
4243 struct pkt_metadata md
= pkt_metadata_from_flow(flow
);
4245 /* Use the metadata from the flow and the packet argument
4246 * to reconstruct the flow. */
4247 flow_extract(packet
, &md
, flow
);
4252 if (error
&& !m_err
) {
4253 m_err
= xstrdup(error
);
4256 ofpbuf_delete(packet
);
4260 ofpbuf_uninit(&odp_key
);
4261 ofpbuf_uninit(&odp_mask
);
4262 simap_destroy(&port_names
);
4267 ofproto_unixctl_trace(struct unixctl_conn
*conn
, int argc
, const char *argv
[],
4268 void *aux OVS_UNUSED
)
4270 struct ofproto_dpif
*ofproto
;
4271 struct ofpbuf
*packet
;
4275 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4280 ofproto_trace(ofproto
, &flow
, packet
, NULL
, 0, &result
);
4281 unixctl_command_reply(conn
, ds_cstr(&result
));
4282 ds_destroy(&result
);
4283 ofpbuf_delete(packet
);
4285 unixctl_command_reply_error(conn
, error
);
4291 ofproto_unixctl_trace_actions(struct unixctl_conn
*conn
, int argc
,
4292 const char *argv
[], void *aux OVS_UNUSED
)
4294 enum ofputil_protocol usable_protocols
;
4295 struct ofproto_dpif
*ofproto
;
4296 bool enforce_consistency
;
4297 struct ofpbuf ofpacts
;
4298 struct ofpbuf
*packet
;
4303 /* Three kinds of error return values! */
4309 ofpbuf_init(&ofpacts
, 0);
4311 /* Parse actions. */
4312 error
= parse_ofpacts(argv
[--argc
], &ofpacts
, &usable_protocols
);
4314 unixctl_command_reply_error(conn
, error
);
4319 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4320 * consistency between the flow and the actions. With -consistent, we
4321 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4322 if (!strcmp(argv
[1], "-consistent")) {
4323 enforce_consistency
= true;
4327 enforce_consistency
= false;
4330 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4332 unixctl_command_reply_error(conn
, error
);
4337 /* Do the same checks as handle_packet_out() in ofproto.c.
4339 * We pass a 'table_id' of 0 to ofproto_check_ofpacts(), which isn't
4340 * strictly correct because these actions aren't in any table, but it's OK
4341 * because it 'table_id' is used only to check goto_table instructions, but
4342 * packet-outs take a list of actions and therefore it can't include
4345 * We skip the "meter" check here because meter is an instruction, not an
4346 * action, and thus cannot appear in ofpacts. */
4347 in_port
= ofp_to_u16(flow
.in_port
.ofp_port
);
4348 if (in_port
>= ofproto
->up
.max_ports
&& in_port
< ofp_to_u16(OFPP_MAX
)) {
4349 unixctl_command_reply_error(conn
, "invalid in_port");
4352 if (enforce_consistency
) {
4353 retval
= ofpacts_check_consistency(ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
),
4354 &flow
, u16_to_ofp(ofproto
->up
.max_ports
),
4355 0, 0, usable_protocols
);
4357 retval
= ofpacts_check(ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
), &flow
,
4358 u16_to_ofp(ofproto
->up
.max_ports
), 0, 0,
4364 ds_put_format(&result
, "Bad actions: %s", ofperr_to_string(retval
));
4365 unixctl_command_reply_error(conn
, ds_cstr(&result
));
4369 ofproto_trace(ofproto
, &flow
, packet
,
4370 ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
), &result
);
4371 unixctl_command_reply(conn
, ds_cstr(&result
));
4374 ds_destroy(&result
);
4375 ofpbuf_delete(packet
);
4376 ofpbuf_uninit(&ofpacts
);
4379 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4380 * description of the results to 'ds'.
4382 * The trace follows a packet with the specified 'flow' through the flow
4383 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4384 * side effects (if it is nonnull then its flow must be 'flow').
4386 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4387 * trace, otherwise the actions are determined by a flow table lookup. */
4389 ofproto_trace(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
4390 const struct ofpbuf
*packet
,
4391 const struct ofpact ofpacts
[], size_t ofpacts_len
,
4394 struct rule_dpif
*rule
;
4395 struct trace_ctx trace
;
4397 ds_put_format(ds
, "Bridge: %s\n", ofproto
->up
.name
);
4398 ds_put_cstr(ds
, "Flow: ");
4399 flow_format(ds
, flow
);
4400 ds_put_char(ds
, '\n');
4402 flow_wildcards_init_catchall(&trace
.wc
);
4406 rule_dpif_lookup(ofproto
, flow
, &trace
.wc
, &rule
, false, NULL
);
4408 trace_format_rule(ds
, 0, rule
);
4409 if (rule
== ofproto
->miss_rule
) {
4410 ds_put_cstr(ds
, "\nNo match, flow generates \"packet in\"s.\n");
4411 } else if (rule
== ofproto
->no_packet_in_rule
) {
4412 ds_put_cstr(ds
, "\nNo match, packets dropped because "
4413 "OFPPC_NO_PACKET_IN is set on in_port.\n");
4414 } else if (rule
== ofproto
->drop_frags_rule
) {
4415 ds_put_cstr(ds
, "\nPackets dropped because they are IP fragments "
4416 "and the fragment handling mode is \"drop\".\n");
4420 if (rule
|| ofpacts
) {
4422 trace
.key
= flow
; /* Original flow key, used for megaflow. */
4423 trace
.flow
= *flow
; /* May be modified by actions. */
4424 xlate_in_init(&trace
.xin
, ofproto
, flow
, rule
, ntohs(flow
->tcp_flags
),
4427 trace
.xin
.ofpacts
= ofpacts
;
4428 trace
.xin
.ofpacts_len
= ofpacts_len
;
4430 trace
.xin
.resubmit_hook
= trace_resubmit
;
4431 trace
.xin
.report_hook
= trace_report
;
4433 xlate_actions(&trace
.xin
, &trace
.xout
);
4435 ds_put_char(ds
, '\n');
4436 trace_format_flow(ds
, 0, "Final flow", &trace
);
4437 trace_format_megaflow(ds
, 0, "Megaflow", &trace
);
4439 ds_put_cstr(ds
, "Datapath actions: ");
4440 format_odp_actions(ds
, ofpbuf_data(&trace
.xout
.odp_actions
),
4441 ofpbuf_size(&trace
.xout
.odp_actions
));
4443 if (trace
.xout
.slow
) {
4444 enum slow_path_reason slow
;
4446 ds_put_cstr(ds
, "\nThis flow is handled by the userspace "
4447 "slow path because it:");
4449 slow
= trace
.xout
.slow
;
4451 enum slow_path_reason bit
= rightmost_1bit(slow
);
4453 ds_put_format(ds
, "\n\t- %s.",
4454 slow_path_reason_to_explanation(bit
));
4460 xlate_out_uninit(&trace
.xout
);
4464 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4465 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4466 * to destroy 'ofproto_shash' and free the returned value. */
4467 static const struct shash_node
**
4468 get_ofprotos(struct shash
*ofproto_shash
)
4470 const struct ofproto_dpif
*ofproto
;
4472 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4473 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
4474 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
4477 return shash_sort(ofproto_shash
);
4481 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4482 const char *argv
[] OVS_UNUSED
,
4483 void *aux OVS_UNUSED
)
4485 struct ds ds
= DS_EMPTY_INITIALIZER
;
4486 struct shash ofproto_shash
;
4487 const struct shash_node
**sorted_ofprotos
;
4490 shash_init(&ofproto_shash
);
4491 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
4492 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4493 const struct shash_node
*node
= sorted_ofprotos
[i
];
4494 ds_put_format(&ds
, "%s\n", node
->name
);
4497 shash_destroy(&ofproto_shash
);
4498 free(sorted_ofprotos
);
4500 unixctl_command_reply(conn
, ds_cstr(&ds
));
4505 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
4507 const struct shash_node
**ofprotos
;
4508 struct dpif_dp_stats dp_stats
;
4509 struct shash ofproto_shash
;
4512 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
4514 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
4515 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
4517 shash_init(&ofproto_shash
);
4518 ofprotos
= get_ofprotos(&ofproto_shash
);
4519 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4520 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
4521 const struct shash_node
**ports
;
4524 if (ofproto
->backer
!= backer
) {
4528 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
4530 ports
= shash_sort(&ofproto
->up
.port_by_name
);
4531 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
4532 const struct shash_node
*node
= ports
[j
];
4533 struct ofport
*ofport
= node
->data
;
4535 odp_port_t odp_port
;
4537 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
4540 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
4541 if (odp_port
!= ODPP_NONE
) {
4542 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
4544 ds_put_cstr(ds
, "none:");
4547 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
4550 if (!netdev_get_config(ofport
->netdev
, &config
)) {
4551 const struct smap_node
**nodes
;
4554 nodes
= smap_sort(&config
);
4555 for (i
= 0; i
< smap_count(&config
); i
++) {
4556 const struct smap_node
*node
= nodes
[i
];
4557 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
4558 node
->key
, node
->value
);
4562 smap_destroy(&config
);
4564 ds_put_char(ds
, ')');
4565 ds_put_char(ds
, '\n');
4569 shash_destroy(&ofproto_shash
);
4574 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4575 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
4577 struct ds ds
= DS_EMPTY_INITIALIZER
;
4578 const struct shash_node
**backers
;
4581 backers
= shash_sort(&all_dpif_backers
);
4582 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
4583 dpif_show_backer(backers
[i
]->data
, &ds
);
4587 unixctl_command_reply(conn
, ds_cstr(&ds
));
4592 ofproto_dpif_contains_flow(const struct ofproto_dpif
*ofproto
,
4593 const struct nlattr
*key
, size_t key_len
)
4595 struct ofproto_dpif
*ofp
;
4598 xlate_receive(ofproto
->backer
, NULL
, key
, key_len
, &flow
, &ofp
,
4599 NULL
, NULL
, NULL
, NULL
);
4600 return ofp
== ofproto
;
4604 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
4605 int argc OVS_UNUSED
, const char *argv
[],
4606 void *aux OVS_UNUSED
)
4608 const struct ofproto_dpif
*ofproto
;
4610 struct ds ds
= DS_EMPTY_INITIALIZER
;
4611 bool verbosity
= false;
4613 struct dpif_port dpif_port
;
4614 struct dpif_port_dump port_dump
;
4615 struct hmap portno_names
;
4617 struct dpif_flow_dump
*flow_dump
;
4618 struct dpif_flow_dump_thread
*flow_dump_thread
;
4622 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
4624 unixctl_command_reply_error(conn
, "no such bridge");
4628 if (argc
> 2 && !strcmp(argv
[1], "-m")) {
4632 hmap_init(&portno_names
);
4633 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
4634 odp_portno_names_set(&portno_names
, dpif_port
.port_no
, dpif_port
.name
);
4638 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
);
4639 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
4640 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
4641 if (!ofproto_dpif_contains_flow(ofproto
, f
.key
, f
.key_len
)) {
4645 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
4646 &portno_names
, &ds
, verbosity
);
4647 ds_put_cstr(&ds
, ", ");
4648 dpif_flow_stats_format(&f
.stats
, &ds
);
4649 ds_put_cstr(&ds
, ", actions:");
4650 format_odp_actions(&ds
, f
.actions
, f
.actions_len
);
4651 ds_put_char(&ds
, '\n');
4653 dpif_flow_dump_thread_destroy(flow_dump_thread
);
4654 error
= dpif_flow_dump_destroy(flow_dump
);
4658 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
4659 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
4661 unixctl_command_reply(conn
, ds_cstr(&ds
));
4663 odp_portno_names_destroy(&portno_names
);
4664 hmap_destroy(&portno_names
);
4669 ofproto_dpif_unixctl_init(void)
4671 static bool registered
;
4677 unixctl_command_register(
4679 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
4680 1, 3, ofproto_unixctl_trace
, NULL
);
4681 unixctl_command_register(
4682 "ofproto/trace-packet-out",
4683 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
4684 2, 6, ofproto_unixctl_trace_actions
, NULL
);
4685 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
4686 ofproto_unixctl_fdb_flush
, NULL
);
4687 unixctl_command_register("fdb/show", "bridge", 1, 1,
4688 ofproto_unixctl_fdb_show
, NULL
);
4689 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
4690 ofproto_unixctl_mcast_snooping_flush
, NULL
);
4691 unixctl_command_register("mdb/show", "bridge", 1, 1,
4692 ofproto_unixctl_mcast_snooping_show
, NULL
);
4693 unixctl_command_register("dpif/dump-dps", "", 0, 0,
4694 ofproto_unixctl_dpif_dump_dps
, NULL
);
4695 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
4697 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
4698 ofproto_unixctl_dpif_dump_flows
, NULL
);
4701 /* Returns true if 'table' is the table used for internal rules,
4702 * false otherwise. */
4704 table_is_internal(uint8_t table_id
)
4706 return table_id
== TBL_INTERNAL
;
4709 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4711 * This is deprecated. It is only for compatibility with broken device drivers
4712 * in old versions of Linux that do not properly support VLANs when VLAN
4713 * devices are not used. When broken device drivers are no longer in
4714 * widespread use, we will delete these interfaces. */
4717 set_realdev(struct ofport
*ofport_
, ofp_port_t realdev_ofp_port
, int vid
)
4719 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
4720 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
4722 if (realdev_ofp_port
== ofport
->realdev_ofp_port
4723 && vid
== ofport
->vlandev_vid
) {
4727 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4729 if (ofport
->realdev_ofp_port
) {
4732 if (realdev_ofp_port
&& ofport
->bundle
) {
4733 /* vlandevs are enslaved to their realdevs, so they are not allowed to
4734 * themselves be part of a bundle. */
4735 bundle_set(ofport_
->ofproto
, ofport
->bundle
, NULL
);
4738 ofport
->realdev_ofp_port
= realdev_ofp_port
;
4739 ofport
->vlandev_vid
= vid
;
4741 if (realdev_ofp_port
) {
4742 vsp_add(ofport
, realdev_ofp_port
, vid
);
4749 hash_realdev_vid(ofp_port_t realdev_ofp_port
, int vid
)
4751 return hash_2words(ofp_to_u16(realdev_ofp_port
), vid
);
4755 ofproto_has_vlan_splinters(const struct ofproto_dpif
*ofproto
)
4756 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4758 /* hmap_is_empty is thread safe. */
4759 return !hmap_is_empty(&ofproto
->realdev_vid_map
);
4764 vsp_realdev_to_vlandev__(const struct ofproto_dpif
*ofproto
,
4765 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
4766 OVS_REQUIRES(ofproto
->vsp_mutex
)
4768 if (!hmap_is_empty(&ofproto
->realdev_vid_map
)) {
4769 int vid
= vlan_tci_to_vid(vlan_tci
);
4770 const struct vlan_splinter
*vsp
;
4772 HMAP_FOR_EACH_WITH_HASH (vsp
, realdev_vid_node
,
4773 hash_realdev_vid(realdev_ofp_port
, vid
),
4774 &ofproto
->realdev_vid_map
) {
4775 if (vsp
->realdev_ofp_port
== realdev_ofp_port
4776 && vsp
->vid
== vid
) {
4777 return vsp
->vlandev_ofp_port
;
4781 return realdev_ofp_port
;
4784 /* Returns the OFP port number of the Linux VLAN device that corresponds to
4785 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
4786 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
4787 * 'vlan_tci' 9, it would return the port number of eth0.9.
4789 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
4790 * function just returns its 'realdev_ofp_port' argument. */
4792 vsp_realdev_to_vlandev(const struct ofproto_dpif
*ofproto
,
4793 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
4794 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4798 /* hmap_is_empty is thread safe, see if we can return immediately. */
4799 if (hmap_is_empty(&ofproto
->realdev_vid_map
)) {
4800 return realdev_ofp_port
;
4802 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4803 ret
= vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, vlan_tci
);
4804 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4808 static struct vlan_splinter
*
4809 vlandev_find(const struct ofproto_dpif
*ofproto
, ofp_port_t vlandev_ofp_port
)
4811 struct vlan_splinter
*vsp
;
4813 HMAP_FOR_EACH_WITH_HASH (vsp
, vlandev_node
,
4814 hash_ofp_port(vlandev_ofp_port
),
4815 &ofproto
->vlandev_map
) {
4816 if (vsp
->vlandev_ofp_port
== vlandev_ofp_port
) {
4824 /* Returns the OpenFlow port number of the "real" device underlying the Linux
4825 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
4826 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
4827 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
4828 * eth0 and store 9 in '*vid'.
4830 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
4831 * VLAN device. Unless VLAN splinters are enabled, this is what this function
4834 vsp_vlandev_to_realdev(const struct ofproto_dpif
*ofproto
,
4835 ofp_port_t vlandev_ofp_port
, int *vid
)
4836 OVS_REQUIRES(ofproto
->vsp_mutex
)
4838 if (!hmap_is_empty(&ofproto
->vlandev_map
)) {
4839 const struct vlan_splinter
*vsp
;
4841 vsp
= vlandev_find(ofproto
, vlandev_ofp_port
);
4846 return vsp
->realdev_ofp_port
;
4852 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
4853 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
4854 * 'flow->in_port' to the "real" device backing the VLAN device, sets
4855 * 'flow->vlan_tci' to the VLAN VID, and returns true. Otherwise (which is
4856 * always the case unless VLAN splinters are enabled), returns false without
4857 * making any changes. */
4859 vsp_adjust_flow(const struct ofproto_dpif
*ofproto
, struct flow
*flow
)
4860 OVS_EXCLUDED(ofproto
->vsp_mutex
)
4865 /* hmap_is_empty is thread safe. */
4866 if (hmap_is_empty(&ofproto
->vlandev_map
)) {
4870 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4871 realdev
= vsp_vlandev_to_realdev(ofproto
, flow
->in_port
.ofp_port
, &vid
);
4872 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4877 /* Cause the flow to be processed as if it came in on the real device with
4878 * the VLAN device's VLAN ID. */
4879 flow
->in_port
.ofp_port
= realdev
;
4880 flow
->vlan_tci
= htons((vid
& VLAN_VID_MASK
) | VLAN_CFI
);
4885 vsp_remove(struct ofport_dpif
*port
)
4887 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
4888 struct vlan_splinter
*vsp
;
4890 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4891 vsp
= vlandev_find(ofproto
, port
->up
.ofp_port
);
4893 hmap_remove(&ofproto
->vlandev_map
, &vsp
->vlandev_node
);
4894 hmap_remove(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
);
4897 port
->realdev_ofp_port
= 0;
4899 VLOG_ERR("missing vlan device record");
4901 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4905 vsp_add(struct ofport_dpif
*port
, ofp_port_t realdev_ofp_port
, int vid
)
4907 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
4909 ovs_mutex_lock(&ofproto
->vsp_mutex
);
4910 if (!vsp_vlandev_to_realdev(ofproto
, port
->up
.ofp_port
, NULL
)
4911 && (vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, htons(vid
))
4912 == realdev_ofp_port
)) {
4913 struct vlan_splinter
*vsp
;
4915 vsp
= xmalloc(sizeof *vsp
);
4916 vsp
->realdev_ofp_port
= realdev_ofp_port
;
4917 vsp
->vlandev_ofp_port
= port
->up
.ofp_port
;
4920 port
->realdev_ofp_port
= realdev_ofp_port
;
4922 hmap_insert(&ofproto
->vlandev_map
, &vsp
->vlandev_node
,
4923 hash_ofp_port(port
->up
.ofp_port
));
4924 hmap_insert(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
,
4925 hash_realdev_vid(realdev_ofp_port
, vid
));
4927 VLOG_ERR("duplicate vlan device record");
4929 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
4933 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
4935 const struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
4936 return ofport
? ofport
->odp_port
: ODPP_NONE
;
4939 struct ofport_dpif
*
4940 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
4942 struct ofport_dpif
*port
;
4944 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
4945 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
4946 &backer
->odp_to_ofport_map
) {
4947 if (port
->odp_port
== odp_port
) {
4948 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
4953 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
4958 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
4960 struct ofport_dpif
*port
;
4962 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
4963 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
4964 return port
->up
.ofp_port
;
4971 ofproto_dpif_alloc_recirc_id(struct ofproto_dpif
*ofproto
)
4973 struct dpif_backer
*backer
= ofproto
->backer
;
4975 return recirc_id_alloc(backer
->rid_pool
);
4979 ofproto_dpif_free_recirc_id(struct ofproto_dpif
*ofproto
, uint32_t recirc_id
)
4981 struct dpif_backer
*backer
= ofproto
->backer
;
4983 recirc_id_free(backer
->rid_pool
, recirc_id
);
4987 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
4988 const struct match
*match
, int priority
,
4989 uint16_t idle_timeout
,
4990 const struct ofpbuf
*ofpacts
,
4991 struct rule
**rulep
)
4993 struct ofputil_flow_mod fm
;
4994 struct rule_dpif
*rule
;
4998 fm
.priority
= priority
;
4999 fm
.new_cookie
= htonll(0);
5000 fm
.cookie
= htonll(0);
5001 fm
.cookie_mask
= htonll(0);
5002 fm
.modify_cookie
= false;
5003 fm
.table_id
= TBL_INTERNAL
;
5004 fm
.command
= OFPFC_ADD
;
5005 fm
.idle_timeout
= idle_timeout
;
5006 fm
.hard_timeout
= 0;
5009 fm
.flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
;
5010 fm
.ofpacts
= ofpbuf_data(ofpacts
);
5011 fm
.ofpacts_len
= ofpbuf_size(ofpacts
);
5013 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5015 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5016 ofperr_to_string(error
));
5021 rule
= rule_dpif_lookup_in_table(ofproto
, TBL_INTERNAL
, &fm
.match
.flow
,
5022 &fm
.match
.wc
, false);
5032 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5033 struct match
*match
, int priority
)
5035 struct ofputil_flow_mod fm
;
5039 fm
.priority
= priority
;
5040 fm
.new_cookie
= htonll(0);
5041 fm
.cookie
= htonll(0);
5042 fm
.cookie_mask
= htonll(0);
5043 fm
.modify_cookie
= false;
5044 fm
.table_id
= TBL_INTERNAL
;
5045 fm
.flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
;
5046 fm
.command
= OFPFC_DELETE_STRICT
;
5048 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5050 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5051 ofperr_to_string(error
));
5058 const struct ofproto_class ofproto_dpif_class
= {
5072 NULL
, /* get_memory_usage. */
5073 type_get_memory_usage
,
5092 port_is_lacp_current
,
5093 NULL
, /* rule_choose_table */
5102 NULL
, /* rule_premodify_actions */
5103 rule_modify_actions
,
5119 get_stp_port_status
,
5127 is_mirror_output_bundle
,
5128 forward_bpdu_changed
,
5129 set_mac_table_config
,
5131 set_mcast_snooping_port
,
5133 NULL
, /* meter_get_features */
5134 NULL
, /* meter_set */
5135 NULL
, /* meter_get */
5136 NULL
, /* meter_del */
5137 group_alloc
, /* group_alloc */
5138 group_construct
, /* group_construct */
5139 group_destruct
, /* group_destruct */
5140 group_dealloc
, /* group_dealloc */
5141 group_modify
, /* group_modify */
5142 group_get_stats
, /* group_get_stats */