2 * Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015 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"
63 #include "ovs-router.h"
69 #include "unaligned.h"
71 #include "vlan-bitmap.h"
72 #include "openvswitch/vlog.h"
74 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
76 COVERAGE_DEFINE(ofproto_dpif_expired
);
77 COVERAGE_DEFINE(packet_in_overflow
);
86 * - Do include packets and bytes from datapath flows which have not
87 * recently been processed by a revalidator. */
88 struct ovs_mutex stats_mutex
;
89 struct dpif_flow_stats stats OVS_GUARDED
;
91 /* If non-zero then the recirculation id that has
92 * been allocated for use with this rule.
93 * The recirculation id and associated internal flow should
94 * be freed when the rule is freed */
98 /* RULE_CAST() depends on this. */
99 BUILD_ASSERT_DECL(offsetof(struct rule_dpif
, up
) == 0);
101 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
102 long long int *used
);
103 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
104 static void rule_expire(struct rule_dpif
*);
111 * - Do include packets and bytes from datapath flows which have not
112 * recently been processed by a revalidator. */
113 struct ovs_mutex stats_mutex
;
114 uint64_t packet_count OVS_GUARDED
; /* Number of packets received. */
115 uint64_t byte_count OVS_GUARDED
; /* Number of bytes received. */
119 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
120 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
121 void *aux
; /* Key supplied by ofproto's client. */
122 char *name
; /* Identifier for log messages. */
125 struct ovs_list ports
; /* Contains "struct ofport"s. */
126 enum port_vlan_mode vlan_mode
; /* VLAN mode */
127 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
128 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
129 * NULL if all VLANs are trunked. */
130 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
131 struct bond
*bond
; /* Nonnull iff more than one port. */
132 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
135 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
138 static void bundle_remove(struct ofport
*);
139 static void bundle_update(struct ofbundle
*);
140 static void bundle_destroy(struct ofbundle
*);
141 static void bundle_del_port(struct ofport_dpif
*);
142 static void bundle_run(struct ofbundle
*);
143 static void bundle_wait(struct ofbundle
*);
144 static void bundle_flush_macs(struct ofbundle
*, bool);
145 static void bundle_move(struct ofbundle
*, struct ofbundle
*);
147 static void stp_run(struct ofproto_dpif
*ofproto
);
148 static void stp_wait(struct ofproto_dpif
*ofproto
);
149 static int set_stp_port(struct ofport
*,
150 const struct ofproto_port_stp_settings
*);
152 static void rstp_run(struct ofproto_dpif
*ofproto
);
153 static void set_rstp_port(struct ofport
*,
154 const struct ofproto_port_rstp_settings
*);
157 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
161 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
162 struct ovs_list bundle_node
;/* In struct ofbundle's "ports" list. */
163 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
164 struct bfd
*bfd
; /* BFD, if any. */
165 bool may_enable
; /* May be enabled in bonds. */
166 bool is_tunnel
; /* This port is a tunnel. */
167 bool is_layer3
; /* This is a layer 3 port. */
168 long long int carrier_seq
; /* Carrier status changes. */
169 struct ofport_dpif
*peer
; /* Peer if patch port. */
172 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
173 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
174 long long int stp_state_entered
;
176 /* Rapid Spanning Tree. */
177 struct rstp_port
*rstp_port
; /* Rapid Spanning Tree Protocol, if any. */
178 enum rstp_state rstp_state
; /* Always RSTP_DISABLED if RSTP not in use. */
180 /* Queue to DSCP mapping. */
181 struct ofproto_port_queue
*qdscp
;
184 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
186 * This is deprecated. It is only for compatibility with broken device
187 * drivers in old versions of Linux that do not properly support VLANs when
188 * VLAN devices are not used. When broken device drivers are no longer in
189 * widespread use, we will delete these interfaces. */
190 ofp_port_t realdev_ofp_port
;
194 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
196 * This is deprecated. It is only for compatibility with broken device drivers
197 * in old versions of Linux that do not properly support VLANs when VLAN
198 * devices are not used. When broken device drivers are no longer in
199 * widespread use, we will delete these interfaces. */
200 struct vlan_splinter
{
201 struct hmap_node realdev_vid_node
;
202 struct hmap_node vlandev_node
;
203 ofp_port_t realdev_ofp_port
;
204 ofp_port_t vlandev_ofp_port
;
208 static void vsp_remove(struct ofport_dpif
*);
209 static void vsp_add(struct ofport_dpif
*, ofp_port_t realdev_ofp_port
, int vid
);
211 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
214 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
217 static struct ofport_dpif
*
218 ofport_dpif_cast(const struct ofport
*ofport
)
220 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
223 static void port_run(struct ofport_dpif
*);
224 static int set_bfd(struct ofport
*, const struct smap
*);
225 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
226 static void ofport_update_peer(struct ofport_dpif
*);
228 /* Reasons that we might need to revalidate every datapath flow, and
229 * corresponding coverage counters.
231 * A value of 0 means that there is no need to revalidate.
233 * It would be nice to have some cleaner way to integrate with coverage
234 * counters, but with only a few reasons I guess this is good enough for
236 enum revalidate_reason
{
237 REV_RECONFIGURE
= 1, /* Switch configuration changed. */
238 REV_STP
, /* Spanning tree protocol port status change. */
239 REV_RSTP
, /* RSTP port status change. */
240 REV_BOND
, /* Bonding changed. */
241 REV_PORT_TOGGLED
, /* Port enabled or disabled by CFM, LACP, ...*/
242 REV_FLOW_TABLE
, /* Flow table changed. */
243 REV_MAC_LEARNING
, /* Mac learning changed. */
244 REV_MCAST_SNOOPING
, /* Multicast snooping changed. */
246 COVERAGE_DEFINE(rev_reconfigure
);
247 COVERAGE_DEFINE(rev_stp
);
248 COVERAGE_DEFINE(rev_rstp
);
249 COVERAGE_DEFINE(rev_bond
);
250 COVERAGE_DEFINE(rev_port_toggled
);
251 COVERAGE_DEFINE(rev_flow_table
);
252 COVERAGE_DEFINE(rev_mac_learning
);
253 COVERAGE_DEFINE(rev_mcast_snooping
);
255 /* Stores mapping between 'recirc_id' and 'ofproto-dpif'. */
256 struct dpif_backer_recirc_node
{
257 struct cmap_node cmap_node
;
258 struct ofproto_dpif
*ofproto
;
262 /* All datapaths of a given type share a single dpif backer instance. */
269 struct ovs_rwlock odp_to_ofport_lock
;
270 struct hmap odp_to_ofport_map OVS_GUARDED
; /* Contains "struct ofport"s. */
272 struct simap tnl_backers
; /* Set of dpif ports backing tunnels. */
274 enum revalidate_reason need_revalidate
; /* Revalidate all flows. */
276 bool recv_set_enable
; /* Enables or disables receiving packets. */
279 struct recirc_id_pool
*rid_pool
; /* Recirculation ID pool. */
280 struct cmap recirc_map
; /* Map of 'recirc_id's to 'ofproto's. */
281 struct ovs_mutex recirc_mutex
; /* Protects 'recirc_map'. */
282 bool enable_recirc
; /* True if the datapath supports recirculation */
284 /* True if the datapath supports unique flow identifiers */
287 /* True if the datapath supports variable-length
288 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions.
289 * False if the datapath supports only 8-byte (or shorter) userdata. */
290 bool variable_length_userdata
;
292 /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET
294 bool masked_set_action
;
296 /* Maximum number of MPLS label stack entries that the datapath supports
298 size_t max_mpls_depth
;
300 /* Version string of the datapath stored in OVSDB. */
301 char *dp_version_string
;
303 /* True if the datapath supports tnl_push and pop actions. */
304 bool enable_tnl_push_pop
;
305 struct atomic_count tnl_count
;
308 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
309 static struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
311 struct ofproto_dpif
{
312 struct hmap_node all_ofproto_dpifs_node
; /* In 'all_ofproto_dpifs'. */
314 struct dpif_backer
*backer
;
316 uint64_t dump_seq
; /* Last read of udpif_dump_seq(). */
318 /* Special OpenFlow rules. */
319 struct rule_dpif
*miss_rule
; /* Sends flow table misses to controller. */
320 struct rule_dpif
*no_packet_in_rule
; /* Drops flow table misses. */
321 struct rule_dpif
*drop_frags_rule
; /* Used in OFPC_FRAG_DROP mode. */
324 struct netflow
*netflow
;
325 struct dpif_sflow
*sflow
;
326 struct dpif_ipfix
*ipfix
;
327 struct hmap bundles
; /* Contains "struct ofbundle"s. */
328 struct mac_learning
*ml
;
329 struct mcast_snooping
*ms
;
330 bool has_bonded_bundles
;
332 struct mbridge
*mbridge
;
334 struct ovs_mutex stats_mutex
;
335 struct netdev_stats stats OVS_GUARDED
; /* To account packets generated and
336 * consumed in userspace. */
340 long long int stp_last_tick
;
342 /* Rapid Spanning Tree. */
344 long long int rstp_last_tick
;
346 /* VLAN splinters. */
347 struct ovs_mutex vsp_mutex
;
348 struct hmap realdev_vid_map OVS_GUARDED
; /* (realdev,vid) -> vlandev. */
349 struct hmap vlandev_map OVS_GUARDED
; /* vlandev -> (realdev,vid). */
352 struct sset ports
; /* Set of standard port names. */
353 struct sset ghost_ports
; /* Ports with no datapath port. */
354 struct sset port_poll_set
; /* Queued names for port_poll() reply. */
355 int port_poll_errno
; /* Last errno for port_poll() reply. */
356 uint64_t change_seq
; /* Connectivity status changes. */
359 struct guarded_list pins
; /* Contains "struct ofputil_packet_in"s. */
360 struct seq
*pins_seq
; /* For notifying 'pins' reception. */
364 /* All existing ofproto_dpif instances, indexed by ->up.name. */
365 static struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
367 static bool ofproto_use_tnl_push_pop
= true;
368 static void ofproto_unixctl_init(void);
370 static inline struct ofproto_dpif
*
371 ofproto_dpif_cast(const struct ofproto
*ofproto
)
373 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
374 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
378 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif
*ofproto
)
380 return ofproto
->backer
->max_mpls_depth
;
384 ofproto_dpif_get_enable_recirc(const struct ofproto_dpif
*ofproto
)
386 return ofproto
->backer
->enable_recirc
;
390 ofproto_dpif_get_enable_ufid(struct dpif_backer
*backer
)
392 return backer
->enable_ufid
;
395 static struct ofport_dpif
*get_ofp_port(const struct ofproto_dpif
*ofproto
,
396 ofp_port_t ofp_port
);
397 static void ofproto_trace(struct ofproto_dpif
*, struct flow
*,
398 const struct ofpbuf
*packet
,
399 const struct ofpact
[], size_t ofpacts_len
,
402 /* Global variables. */
403 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
405 /* Initial mappings of port to bridge mappings. */
406 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
408 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
411 ofproto_dpif_flow_mod(struct ofproto_dpif
*ofproto
,
412 struct ofputil_flow_mod
*fm
)
414 ofproto_flow_mod(&ofproto
->up
, fm
);
417 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
418 * Takes ownership of 'pin' and pin->packet. */
420 ofproto_dpif_send_packet_in(struct ofproto_dpif
*ofproto
,
421 struct ofproto_packet_in
*pin
)
423 if (!guarded_list_push_back(&ofproto
->pins
, &pin
->list_node
, 1024)) {
424 COVERAGE_INC(packet_in_overflow
);
425 free(CONST_CAST(void *, pin
->up
.packet
));
429 /* Wakes up main thread for packet-in I/O. */
430 seq_change(ofproto
->pins_seq
);
433 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
434 * packet rather than to send the packet to the controller.
436 * This function returns false to indicate that a packet_in message
437 * for a "table-miss" should be sent to at least one controller.
438 * False otherwise. */
440 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif
*ofproto
)
442 return connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
);
445 /* Factory functions. */
448 init(const struct shash
*iface_hints
)
450 struct shash_node
*node
;
452 /* Make a local copy, since we don't own 'iface_hints' elements. */
453 SHASH_FOR_EACH(node
, iface_hints
) {
454 const struct iface_hint
*orig_hint
= node
->data
;
455 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
457 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
458 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
459 new_hint
->ofp_port
= orig_hint
->ofp_port
;
461 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
466 enumerate_types(struct sset
*types
)
468 dp_enumerate_types(types
);
472 enumerate_names(const char *type
, struct sset
*names
)
474 struct ofproto_dpif
*ofproto
;
477 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
478 if (strcmp(type
, ofproto
->up
.type
)) {
481 sset_add(names
, ofproto
->up
.name
);
488 del(const char *type
, const char *name
)
493 error
= dpif_open(name
, type
, &dpif
);
495 error
= dpif_delete(dpif
);
502 port_open_type(const char *datapath_type
, const char *port_type
)
504 return dpif_port_open_type(datapath_type
, port_type
);
507 /* Type functions. */
509 static void process_dpif_port_changes(struct dpif_backer
*);
510 static void process_dpif_all_ports_changed(struct dpif_backer
*);
511 static void process_dpif_port_change(struct dpif_backer
*,
512 const char *devname
);
513 static void process_dpif_port_error(struct dpif_backer
*, int error
);
515 static struct ofproto_dpif
*
516 lookup_ofproto_dpif_by_port_name(const char *name
)
518 struct ofproto_dpif
*ofproto
;
520 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
521 if (sset_contains(&ofproto
->ports
, name
)) {
530 type_run(const char *type
)
532 struct dpif_backer
*backer
;
534 backer
= shash_find_data(&all_dpif_backers
, type
);
536 /* This is not necessarily a problem, since backers are only
537 * created on demand. */
542 if (dpif_run(backer
->dpif
)) {
543 backer
->need_revalidate
= REV_RECONFIGURE
;
546 udpif_run(backer
->udpif
);
548 /* If vswitchd started with other_config:flow_restore_wait set as "true",
549 * and the configuration has now changed to "false", enable receiving
550 * packets from the datapath. */
551 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
554 backer
->recv_set_enable
= true;
556 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
558 VLOG_ERR("Failed to enable receiving packets in dpif.");
561 dpif_flow_flush(backer
->dpif
);
562 backer
->need_revalidate
= REV_RECONFIGURE
;
565 if (backer
->recv_set_enable
) {
566 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
569 dpif_poll_threads_set(backer
->dpif
, n_dpdk_rxqs
, pmd_cpu_mask
);
571 if (backer
->need_revalidate
) {
572 struct ofproto_dpif
*ofproto
;
573 struct simap_node
*node
;
574 struct simap tmp_backers
;
576 /* Handle tunnel garbage collection. */
577 simap_init(&tmp_backers
);
578 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
580 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
581 struct ofport_dpif
*iter
;
583 if (backer
!= ofproto
->backer
) {
587 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
588 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
591 if (!iter
->is_tunnel
) {
595 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
596 namebuf
, sizeof namebuf
);
597 node
= simap_find(&tmp_backers
, dp_port
);
599 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
600 simap_delete(&tmp_backers
, node
);
601 node
= simap_find(&backer
->tnl_backers
, dp_port
);
603 node
= simap_find(&backer
->tnl_backers
, dp_port
);
605 odp_port_t odp_port
= ODPP_NONE
;
607 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
609 simap_put(&backer
->tnl_backers
, dp_port
,
610 odp_to_u32(odp_port
));
611 node
= simap_find(&backer
->tnl_backers
, dp_port
);
616 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
617 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
619 ovs_native_tunneling_is_on(ofproto
), dp_port
)) {
620 backer
->need_revalidate
= REV_RECONFIGURE
;
625 SIMAP_FOR_EACH (node
, &tmp_backers
) {
626 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
628 simap_destroy(&tmp_backers
);
630 switch (backer
->need_revalidate
) {
631 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
632 case REV_STP
: COVERAGE_INC(rev_stp
); break;
633 case REV_RSTP
: COVERAGE_INC(rev_rstp
); break;
634 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
635 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
636 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
637 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
638 case REV_MCAST_SNOOPING
: COVERAGE_INC(rev_mcast_snooping
); break;
640 backer
->need_revalidate
= 0;
642 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
643 struct ofport_dpif
*ofport
;
644 struct ofbundle
*bundle
;
646 if (ofproto
->backer
!= backer
) {
651 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
652 ofproto
->backer
->dpif
, ofproto
->ml
,
653 ofproto
->stp
, ofproto
->rstp
, ofproto
->ms
,
654 ofproto
->mbridge
, ofproto
->sflow
, ofproto
->ipfix
,
656 ofproto
->up
.forward_bpdu
,
657 connmgr_has_in_band(ofproto
->up
.connmgr
),
658 ofproto
->backer
->enable_recirc
,
659 ofproto
->backer
->variable_length_userdata
,
660 ofproto
->backer
->max_mpls_depth
,
661 ofproto
->backer
->masked_set_action
);
663 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
664 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
665 bundle
->vlan_mode
, bundle
->vlan
,
666 bundle
->trunks
, bundle
->use_priority_tags
,
667 bundle
->bond
, bundle
->lacp
,
671 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
672 int stp_port
= ofport
->stp_port
673 ? stp_port_no(ofport
->stp_port
)
675 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
676 ofport
->up
.ofp_port
, ofport
->odp_port
,
677 ofport
->up
.netdev
, ofport
->cfm
,
678 ofport
->bfd
, ofport
->peer
, stp_port
,
679 ofport
->rstp_port
, ofport
->qdscp
,
680 ofport
->n_qdscp
, ofport
->up
.pp
.config
,
681 ofport
->up
.pp
.state
, ofport
->is_tunnel
,
687 udpif_revalidate(backer
->udpif
);
690 process_dpif_port_changes(backer
);
695 /* Check for and handle port changes in 'backer''s dpif. */
697 process_dpif_port_changes(struct dpif_backer
*backer
)
703 error
= dpif_port_poll(backer
->dpif
, &devname
);
709 process_dpif_all_ports_changed(backer
);
713 process_dpif_port_change(backer
, devname
);
718 process_dpif_port_error(backer
, error
);
725 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
727 struct ofproto_dpif
*ofproto
;
728 struct dpif_port dpif_port
;
729 struct dpif_port_dump dump
;
730 struct sset devnames
;
733 sset_init(&devnames
);
734 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
735 if (ofproto
->backer
== backer
) {
736 struct ofport
*ofport
;
738 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
739 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
743 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
744 sset_add(&devnames
, dpif_port
.name
);
747 SSET_FOR_EACH (devname
, &devnames
) {
748 process_dpif_port_change(backer
, devname
);
750 sset_destroy(&devnames
);
754 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
756 struct ofproto_dpif
*ofproto
;
757 struct dpif_port port
;
759 /* Don't report on the datapath's device. */
760 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
764 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
765 &all_ofproto_dpifs
) {
766 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
771 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
772 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
773 /* The port was removed. If we know the datapath,
774 * report it through poll_set(). If we don't, it may be
775 * notifying us of a removal we initiated, so ignore it.
776 * If there's a pending ENOBUFS, let it stand, since
777 * everything will be reevaluated. */
778 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
779 sset_add(&ofproto
->port_poll_set
, devname
);
780 ofproto
->port_poll_errno
= 0;
782 } else if (!ofproto
) {
783 /* The port was added, but we don't know with which
784 * ofproto we should associate it. Delete it. */
785 dpif_port_del(backer
->dpif
, port
.port_no
);
787 struct ofport_dpif
*ofport
;
789 ofport
= ofport_dpif_cast(shash_find_data(
790 &ofproto
->up
.port_by_name
, devname
));
792 && ofport
->odp_port
!= port
.port_no
793 && !odp_port_to_ofport(backer
, port
.port_no
))
795 /* 'ofport''s datapath port number has changed from
796 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
797 * structures to match. */
798 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
799 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
800 ofport
->odp_port
= port
.port_no
;
801 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
802 hash_odp_port(port
.port_no
));
803 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
804 backer
->need_revalidate
= REV_RECONFIGURE
;
807 dpif_port_destroy(&port
);
810 /* Propagate 'error' to all ofprotos based on 'backer'. */
812 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
814 struct ofproto_dpif
*ofproto
;
816 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
817 if (ofproto
->backer
== backer
) {
818 sset_clear(&ofproto
->port_poll_set
);
819 ofproto
->port_poll_errno
= error
;
825 type_wait(const char *type
)
827 struct dpif_backer
*backer
;
829 backer
= shash_find_data(&all_dpif_backers
, type
);
831 /* This is not necessarily a problem, since backers are only
832 * created on demand. */
836 dpif_wait(backer
->dpif
);
839 /* Basic life-cycle. */
841 static int add_internal_flows(struct ofproto_dpif
*);
843 static struct ofproto
*
846 struct ofproto_dpif
*ofproto
= xmalloc(sizeof *ofproto
);
851 dealloc(struct ofproto
*ofproto_
)
853 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
857 /* Called when 'ofproto' is destructed. Checks for and clears any
860 dpif_backer_recirc_clear_ofproto(struct dpif_backer
*backer
,
861 struct ofproto_dpif
*ofproto
)
863 struct dpif_backer_recirc_node
*node
;
865 ovs_mutex_lock(&backer
->recirc_mutex
);
866 CMAP_FOR_EACH (node
, cmap_node
, &backer
->recirc_map
) {
867 if (node
->ofproto
== ofproto
) {
868 VLOG_ERR("recirc_id %"PRIu32
", not freed when ofproto (%s) "
869 "is destructed", node
->recirc_id
, ofproto
->up
.name
);
870 cmap_remove(&backer
->recirc_map
, &node
->cmap_node
,
872 ovsrcu_postpone(free
, node
);
875 ovs_mutex_unlock(&backer
->recirc_mutex
);
879 close_dpif_backer(struct dpif_backer
*backer
)
881 ovs_assert(backer
->refcount
> 0);
883 if (--backer
->refcount
) {
887 udpif_destroy(backer
->udpif
);
889 simap_destroy(&backer
->tnl_backers
);
890 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
891 hmap_destroy(&backer
->odp_to_ofport_map
);
892 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
893 recirc_id_pool_destroy(backer
->rid_pool
);
894 cmap_destroy(&backer
->recirc_map
);
895 ovs_mutex_destroy(&backer
->recirc_mutex
);
897 free(backer
->dp_version_string
);
898 dpif_close(backer
->dpif
);
902 /* Datapath port slated for removal from datapath. */
904 struct ovs_list list_node
;
908 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
909 static size_t check_max_mpls_depth(struct dpif_backer
*backer
);
910 static bool check_recirc(struct dpif_backer
*backer
);
911 static bool check_ufid(struct dpif_backer
*backer
);
912 static bool check_masked_set_action(struct dpif_backer
*backer
);
915 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
917 struct dpif_backer
*backer
;
918 struct dpif_port_dump port_dump
;
919 struct dpif_port port
;
920 struct shash_node
*node
;
921 struct ovs_list garbage_list
;
922 struct odp_garbage
*garbage
, *next
;
929 backer
= shash_find_data(&all_dpif_backers
, type
);
936 backer_name
= xasprintf("ovs-%s", type
);
938 /* Remove any existing datapaths, since we assume we're the only
939 * userspace controlling the datapath. */
941 dp_enumerate_names(type
, &names
);
942 SSET_FOR_EACH(name
, &names
) {
943 struct dpif
*old_dpif
;
945 /* Don't remove our backer if it exists. */
946 if (!strcmp(name
, backer_name
)) {
950 if (dpif_open(name
, type
, &old_dpif
)) {
951 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
953 dpif_delete(old_dpif
);
954 dpif_close(old_dpif
);
957 sset_destroy(&names
);
959 backer
= xmalloc(sizeof *backer
);
961 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
964 VLOG_ERR("failed to open datapath of type %s: %s", type
,
965 ovs_strerror(error
));
969 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
971 backer
->type
= xstrdup(type
);
972 backer
->refcount
= 1;
973 hmap_init(&backer
->odp_to_ofport_map
);
974 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
975 backer
->need_revalidate
= 0;
976 simap_init(&backer
->tnl_backers
);
977 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
980 if (backer
->recv_set_enable
) {
981 dpif_flow_flush(backer
->dpif
);
984 /* Loop through the ports already on the datapath and remove any
985 * that we don't need anymore. */
986 list_init(&garbage_list
);
987 dpif_port_dump_start(&port_dump
, backer
->dpif
);
988 while (dpif_port_dump_next(&port_dump
, &port
)) {
989 node
= shash_find(&init_ofp_ports
, port
.name
);
990 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
991 garbage
= xmalloc(sizeof *garbage
);
992 garbage
->odp_port
= port
.port_no
;
993 list_push_front(&garbage_list
, &garbage
->list_node
);
996 dpif_port_dump_done(&port_dump
);
998 LIST_FOR_EACH_SAFE (garbage
, next
, list_node
, &garbage_list
) {
999 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
1000 list_remove(&garbage
->list_node
);
1004 shash_add(&all_dpif_backers
, type
, backer
);
1006 backer
->enable_recirc
= check_recirc(backer
);
1007 backer
->max_mpls_depth
= check_max_mpls_depth(backer
);
1008 backer
->masked_set_action
= check_masked_set_action(backer
);
1009 backer
->enable_ufid
= check_ufid(backer
);
1010 backer
->rid_pool
= recirc_id_pool_create();
1011 ovs_mutex_init(&backer
->recirc_mutex
);
1012 cmap_init(&backer
->recirc_map
);
1014 backer
->enable_tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1015 atomic_count_init(&backer
->tnl_count
, 0);
1017 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
1019 VLOG_ERR("failed to listen on datapath of type %s: %s",
1020 type
, ovs_strerror(error
));
1021 close_dpif_backer(backer
);
1025 if (backer
->recv_set_enable
) {
1026 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
1029 /* This check fails if performed before udpif threads have been set,
1030 * as the kernel module checks that the 'pid' in userspace action
1032 backer
->variable_length_userdata
= check_variable_length_userdata(backer
);
1033 backer
->dp_version_string
= dpif_get_dp_version(backer
->dpif
);
1039 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
1041 return ofproto_use_tnl_push_pop
&& ofproto
->backer
->enable_tnl_push_pop
&&
1042 atomic_count_get(&ofproto
->backer
->tnl_count
);
1045 /* Tests whether 'backer''s datapath supports recirculation. Only newer
1046 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
1047 * features on older datapaths that don't support this feature.
1049 * Returns false if 'backer' definitely does not support recirculation, true if
1050 * it seems to support recirculation or if at least the error we get is
1053 check_recirc(struct dpif_backer
*backer
)
1056 struct odputil_keybuf keybuf
;
1060 memset(&flow
, 0, sizeof flow
);
1064 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1065 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, true);
1066 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
1069 if (enable_recirc
) {
1070 VLOG_INFO("%s: Datapath supports recirculation",
1071 dpif_name(backer
->dpif
));
1073 VLOG_INFO("%s: Datapath does not support recirculation",
1074 dpif_name(backer
->dpif
));
1077 return enable_recirc
;
1080 /* Tests whether 'dpif' supports userspace flow ids. We can skip serializing
1081 * some flow attributes for datapaths that support this feature.
1083 * Returns true if 'dpif' supports UFID for flow operations.
1084 * Returns false if 'dpif' does not support UFID. */
1086 check_ufid(struct dpif_backer
*backer
)
1089 struct odputil_keybuf keybuf
;
1094 memset(&flow
, 0, sizeof flow
);
1095 flow
.dl_type
= htons(0x1234);
1097 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1098 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, true);
1099 dpif_flow_hash(backer
->dpif
, ofpbuf_data(&key
), ofpbuf_size(&key
), &ufid
);
1101 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, &ufid
);
1104 VLOG_INFO("%s: Datapath supports userspace flow ids",
1105 dpif_name(backer
->dpif
));
1107 VLOG_INFO("%s: Datapath does not support userspace flow ids",
1108 dpif_name(backer
->dpif
));
1113 /* Tests whether 'backer''s datapath supports variable-length
1114 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1115 * to disable some features on older datapaths that don't support this
1118 * Returns false if 'backer' definitely does not support variable-length
1119 * userdata, true if it seems to support them or if at least the error we get
1122 check_variable_length_userdata(struct dpif_backer
*backer
)
1124 struct eth_header
*eth
;
1125 struct ofpbuf actions
;
1126 struct dpif_execute execute
;
1127 struct ofpbuf packet
;
1131 /* Compose a userspace action that will cause an ERANGE error on older
1132 * datapaths that don't support variable-length userdata.
1134 * We really test for using userdata longer than 8 bytes, but older
1135 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1136 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1137 * test for that instead as a proxy for longer userdata support. */
1138 ofpbuf_init(&actions
, 64);
1139 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
1140 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
1141 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
1142 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
1143 nl_msg_end_nested(&actions
, start
);
1145 /* Compose a dummy ethernet packet. */
1146 ofpbuf_init(&packet
, ETH_HEADER_LEN
);
1147 eth
= ofpbuf_put_zeros(&packet
, ETH_HEADER_LEN
);
1148 eth
->eth_type
= htons(0x1234);
1150 /* Execute the actions. On older datapaths this fails with ERANGE, on
1151 * newer datapaths it succeeds. */
1152 execute
.actions
= ofpbuf_data(&actions
);
1153 execute
.actions_len
= ofpbuf_size(&actions
);
1154 execute
.packet
= &packet
;
1155 execute
.md
= PKT_METADATA_INITIALIZER(0);
1156 execute
.needs_help
= false;
1157 execute
.probe
= true;
1159 error
= dpif_execute(backer
->dpif
, &execute
);
1161 ofpbuf_uninit(&packet
);
1162 ofpbuf_uninit(&actions
);
1169 /* Variable-length userdata is not supported. */
1170 VLOG_WARN("%s: datapath does not support variable-length userdata "
1171 "feature (needs Linux 3.10+ or kernel module from OVS "
1172 "1..11+). The NXAST_SAMPLE action will be ignored.",
1173 dpif_name(backer
->dpif
));
1177 /* Something odd happened. We're not sure whether variable-length
1178 * userdata is supported. Default to "yes". */
1179 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1180 dpif_name(backer
->dpif
), ovs_strerror(error
));
1185 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1187 * Returns the number of elements in a struct flow's mpls_lse field
1188 * if the datapath supports at least that many entries in an
1190 * Otherwise returns the number of MPLS push actions supported by
1193 check_max_mpls_depth(struct dpif_backer
*backer
)
1198 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1199 struct odputil_keybuf keybuf
;
1202 memset(&flow
, 0, sizeof flow
);
1203 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1204 flow_set_mpls_bos(&flow
, n
, 1);
1206 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1207 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, false);
1208 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
)) {
1213 VLOG_INFO("%s: MPLS label stack length probed as %d",
1214 dpif_name(backer
->dpif
), n
);
1218 /* Tests whether 'backer''s datapath supports masked data in
1219 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1220 * datapaths that don't support this feature. */
1222 check_masked_set_action(struct dpif_backer
*backer
)
1224 struct eth_header
*eth
;
1225 struct ofpbuf actions
;
1226 struct dpif_execute execute
;
1227 struct ofpbuf packet
;
1229 struct ovs_key_ethernet key
, mask
;
1231 /* Compose a set action that will cause an EINVAL error on older
1232 * datapaths that don't support masked set actions.
1233 * Avoid using a full mask, as it could be translated to a non-masked
1234 * set action instead. */
1235 ofpbuf_init(&actions
, 64);
1236 memset(&key
, 0x53, sizeof key
);
1237 memset(&mask
, 0x7f, sizeof mask
);
1238 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1241 /* Compose a dummy ethernet packet. */
1242 ofpbuf_init(&packet
, ETH_HEADER_LEN
);
1243 eth
= ofpbuf_put_zeros(&packet
, ETH_HEADER_LEN
);
1244 eth
->eth_type
= htons(0x1234);
1246 /* Execute the actions. On older datapaths this fails with EINVAL, on
1247 * newer datapaths it succeeds. */
1248 execute
.actions
= ofpbuf_data(&actions
);
1249 execute
.actions_len
= ofpbuf_size(&actions
);
1250 execute
.packet
= &packet
;
1251 execute
.md
= PKT_METADATA_INITIALIZER(0);
1252 execute
.needs_help
= false;
1253 execute
.probe
= true;
1255 error
= dpif_execute(backer
->dpif
, &execute
);
1257 ofpbuf_uninit(&packet
);
1258 ofpbuf_uninit(&actions
);
1261 /* Masked set action is not supported. */
1262 VLOG_INFO("%s: datapath does not support masked set action feature.",
1263 dpif_name(backer
->dpif
));
1269 construct(struct ofproto
*ofproto_
)
1271 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1272 struct shash_node
*node
, *next
;
1275 /* Tunnel module can get used right after the udpif threads are running. */
1276 ofproto_tunnel_init();
1278 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1283 ofproto
->netflow
= NULL
;
1284 ofproto
->sflow
= NULL
;
1285 ofproto
->ipfix
= NULL
;
1286 ofproto
->stp
= NULL
;
1287 ofproto
->rstp
= NULL
;
1288 ofproto
->dump_seq
= 0;
1289 hmap_init(&ofproto
->bundles
);
1290 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1292 ofproto
->mbridge
= mbridge_create();
1293 ofproto
->has_bonded_bundles
= false;
1294 ofproto
->lacp_enabled
= false;
1295 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1296 ovs_mutex_init(&ofproto
->vsp_mutex
);
1298 guarded_list_init(&ofproto
->pins
);
1300 ofproto_unixctl_init();
1302 hmap_init(&ofproto
->vlandev_map
);
1303 hmap_init(&ofproto
->realdev_vid_map
);
1305 sset_init(&ofproto
->ports
);
1306 sset_init(&ofproto
->ghost_ports
);
1307 sset_init(&ofproto
->port_poll_set
);
1308 ofproto
->port_poll_errno
= 0;
1309 ofproto
->change_seq
= 0;
1310 ofproto
->pins_seq
= seq_create();
1311 ofproto
->pins_seqno
= seq_read(ofproto
->pins_seq
);
1314 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1315 struct iface_hint
*iface_hint
= node
->data
;
1317 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1318 /* Check if the datapath already has this port. */
1319 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1320 sset_add(&ofproto
->ports
, node
->name
);
1323 free(iface_hint
->br_name
);
1324 free(iface_hint
->br_type
);
1326 shash_delete(&init_ofp_ports
, node
);
1330 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1331 hash_string(ofproto
->up
.name
, 0));
1332 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1334 ofproto_init_tables(ofproto_
, N_TABLES
);
1335 error
= add_internal_flows(ofproto
);
1337 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1343 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1344 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1350 match_init_catchall(&match
);
1351 match_set_reg(&match
, 0, id
);
1353 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1355 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1361 add_internal_flows(struct ofproto_dpif
*ofproto
)
1363 struct ofpact_controller
*controller
;
1364 uint64_t ofpacts_stub
[128 / 8];
1365 struct ofpbuf ofpacts
;
1366 struct rule
*unused_rulep OVS_UNUSED
;
1367 struct ofpact_resubmit
*resubmit
;
1372 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1375 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1376 controller
->max_len
= UINT16_MAX
;
1377 controller
->controller_id
= 0;
1378 controller
->reason
= OFPR_NO_MATCH
;
1379 ofpact_pad(&ofpacts
);
1381 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1382 &ofproto
->miss_rule
);
1387 ofpbuf_clear(&ofpacts
);
1388 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1389 &ofproto
->no_packet_in_rule
);
1394 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1395 &ofproto
->drop_frags_rule
);
1400 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1401 * zero when reaching this rule.
1403 * (priority=2), recirc_id=0, actions=drop
1405 ofpbuf_clear(&ofpacts
);
1406 match_init_catchall(&match
);
1407 match_set_recirc_id(&match
, 0);
1408 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1414 /* Continue rule lookups for not-matched recirc rules from table 0.
1416 * (priority=1), actions=resubmit(, 0)
1418 resubmit
= ofpact_put_RESUBMIT(&ofpacts
);
1419 resubmit
->in_port
= OFPP_IN_PORT
;
1420 resubmit
->table_id
= 0;
1422 match_init_catchall(&match
);
1423 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 1, 0, &ofpacts
,
1430 destruct(struct ofproto
*ofproto_
)
1432 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1433 struct ofproto_packet_in
*pin
, *next_pin
;
1434 struct rule_dpif
*rule
;
1435 struct oftable
*table
;
1436 struct ovs_list pins
;
1438 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1440 xlate_remove_ofproto(ofproto
);
1443 /* Ensure that the upcall processing threads have no remaining references
1444 * to the ofproto or anything in it. */
1445 udpif_synchronize(ofproto
->backer
->udpif
);
1447 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1449 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1450 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1451 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1455 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1456 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1457 list_remove(&pin
->list_node
);
1458 free(CONST_CAST(void *, pin
->up
.packet
));
1461 guarded_list_destroy(&ofproto
->pins
);
1463 dpif_backer_recirc_clear_ofproto(ofproto
->backer
, ofproto
);
1465 mbridge_unref(ofproto
->mbridge
);
1467 netflow_unref(ofproto
->netflow
);
1468 dpif_sflow_unref(ofproto
->sflow
);
1469 dpif_ipfix_unref(ofproto
->ipfix
);
1470 hmap_destroy(&ofproto
->bundles
);
1471 mac_learning_unref(ofproto
->ml
);
1472 mcast_snooping_unref(ofproto
->ms
);
1474 hmap_destroy(&ofproto
->vlandev_map
);
1475 hmap_destroy(&ofproto
->realdev_vid_map
);
1477 sset_destroy(&ofproto
->ports
);
1478 sset_destroy(&ofproto
->ghost_ports
);
1479 sset_destroy(&ofproto
->port_poll_set
);
1481 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1482 ovs_mutex_destroy(&ofproto
->vsp_mutex
);
1484 seq_destroy(ofproto
->pins_seq
);
1486 close_dpif_backer(ofproto
->backer
);
1490 run(struct ofproto
*ofproto_
)
1492 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1493 uint64_t new_seq
, new_dump_seq
;
1495 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1496 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1497 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1498 mac_learning_flush(ofproto
->ml
);
1499 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1500 mcast_snooping_mdb_flush(ofproto
->ms
);
1503 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1504 * flow restore. Even though nothing is processed during flow restore,
1505 * all queued 'pins' will be handled immediately when flow restore
1507 ofproto
->pins_seqno
= seq_read(ofproto
->pins_seq
);
1509 /* Do not perform any periodic activity required by 'ofproto' while
1510 * waiting for flow restore to complete. */
1511 if (!ofproto_get_flow_restore_wait()) {
1512 struct ofproto_packet_in
*pin
, *next_pin
;
1513 struct ovs_list pins
;
1515 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1516 LIST_FOR_EACH_SAFE (pin
, next_pin
, list_node
, &pins
) {
1517 connmgr_send_packet_in(ofproto
->up
.connmgr
, pin
);
1518 list_remove(&pin
->list_node
);
1519 free(CONST_CAST(void *, pin
->up
.packet
));
1524 if (ofproto
->netflow
) {
1525 netflow_run(ofproto
->netflow
);
1527 if (ofproto
->sflow
) {
1528 dpif_sflow_run(ofproto
->sflow
);
1530 if (ofproto
->ipfix
) {
1531 dpif_ipfix_run(ofproto
->ipfix
);
1534 new_seq
= seq_read(connectivity_seq_get());
1535 if (ofproto
->change_seq
!= new_seq
) {
1536 struct ofport_dpif
*ofport
;
1538 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1542 ofproto
->change_seq
= new_seq
;
1544 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1545 struct ofbundle
*bundle
;
1547 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1554 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1555 if (mac_learning_run(ofproto
->ml
)) {
1556 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1558 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1560 if (mcast_snooping_run(ofproto
->ms
)) {
1561 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1564 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1565 if (ofproto
->dump_seq
!= new_dump_seq
) {
1566 struct rule
*rule
, *next_rule
;
1568 /* We know stats are relatively fresh, so now is a good time to do some
1570 ofproto
->dump_seq
= new_dump_seq
;
1572 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1574 ovs_mutex_lock(&ofproto_mutex
);
1575 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1576 &ofproto
->up
.expirable
) {
1577 rule_expire(rule_dpif_cast(rule
));
1579 ovs_mutex_unlock(&ofproto_mutex
);
1581 /* All outstanding data in existing flows has been accounted, so it's a
1582 * good time to do bond rebalancing. */
1583 if (ofproto
->has_bonded_bundles
) {
1584 struct ofbundle
*bundle
;
1586 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1588 bond_rebalance(bundle
->bond
);
1597 wait(struct ofproto
*ofproto_
)
1599 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1601 if (ofproto_get_flow_restore_wait()) {
1605 if (ofproto
->sflow
) {
1606 dpif_sflow_wait(ofproto
->sflow
);
1608 if (ofproto
->ipfix
) {
1609 dpif_ipfix_wait(ofproto
->ipfix
);
1611 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1612 struct ofbundle
*bundle
;
1614 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1615 bundle_wait(bundle
);
1618 if (ofproto
->netflow
) {
1619 netflow_wait(ofproto
->netflow
);
1621 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1622 mac_learning_wait(ofproto
->ml
);
1623 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1624 mcast_snooping_wait(ofproto
->ms
);
1626 if (ofproto
->backer
->need_revalidate
) {
1627 /* Shouldn't happen, but if it does just go around again. */
1628 VLOG_DBG_RL(&rl
, "need revalidate in ofproto_wait_cb()");
1629 poll_immediate_wake();
1632 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1633 seq_wait(ofproto
->pins_seq
, ofproto
->pins_seqno
);
1637 type_get_memory_usage(const char *type
, struct simap
*usage
)
1639 struct dpif_backer
*backer
;
1641 backer
= shash_find_data(&all_dpif_backers
, type
);
1643 udpif_get_memory_usage(backer
->udpif
, usage
);
1648 flush(struct ofproto
*ofproto_
)
1650 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1651 struct dpif_backer
*backer
= ofproto
->backer
;
1654 udpif_flush(backer
->udpif
);
1659 query_tables(struct ofproto
*ofproto
,
1660 struct ofputil_table_features
*features
,
1661 struct ofputil_table_stats
*stats
)
1663 strcpy(features
->name
, "classifier");
1668 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1669 unsigned long missed
, matched
;
1671 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1672 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1674 stats
[i
].matched_count
= matched
;
1675 stats
[i
].lookup_count
= matched
+ missed
;
1680 static struct ofport
*
1683 struct ofport_dpif
*port
= xmalloc(sizeof *port
);
1688 port_dealloc(struct ofport
*port_
)
1690 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1695 port_construct(struct ofport
*port_
)
1697 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1698 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1699 const struct netdev
*netdev
= port
->up
.netdev
;
1700 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1701 struct dpif_port dpif_port
;
1704 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1705 port
->bundle
= NULL
;
1708 port
->may_enable
= false;
1709 port
->stp_port
= NULL
;
1710 port
->stp_state
= STP_DISABLED
;
1711 port
->rstp_port
= NULL
;
1712 port
->rstp_state
= RSTP_DISABLED
;
1713 port
->is_tunnel
= false;
1717 port
->realdev_ofp_port
= 0;
1718 port
->vlandev_vid
= 0;
1719 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1720 port
->is_layer3
= netdev_vport_is_layer3(netdev
);
1722 if (netdev_vport_is_patch(netdev
)) {
1723 /* By bailing out here, we don't submit the port to the sFlow module
1724 * to be considered for counter polling export. This is correct
1725 * because the patch port represents an interface that sFlow considers
1726 * to be "internal" to the switch as a whole, and therefore not a
1727 * candidate for counter polling. */
1728 port
->odp_port
= ODPP_NONE
;
1729 ofport_update_peer(port
);
1733 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
1734 netdev_vport_get_dpif_port(netdev
, namebuf
,
1741 port
->odp_port
= dpif_port
.port_no
;
1743 if (netdev_get_tunnel_config(netdev
)) {
1744 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1745 tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1746 ovs_native_tunneling_is_on(ofproto
), namebuf
);
1747 port
->is_tunnel
= true;
1748 if (ofproto
->ipfix
) {
1749 dpif_ipfix_add_tunnel_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1752 /* Sanity-check that a mapping doesn't already exist. This
1753 * shouldn't happen for non-tunnel ports. */
1754 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1755 VLOG_ERR("port %s already has an OpenFlow port number",
1757 dpif_port_destroy(&dpif_port
);
1761 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1762 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1763 hash_odp_port(port
->odp_port
));
1764 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1766 dpif_port_destroy(&dpif_port
);
1768 if (ofproto
->sflow
) {
1769 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1776 port_destruct(struct ofport
*port_
)
1778 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1779 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1780 const char *devname
= netdev_get_name(port
->up
.netdev
);
1781 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1782 const char *dp_port_name
;
1784 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1786 xlate_ofport_remove(port
);
1789 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1791 if (dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1792 /* The underlying device is still there, so delete it. This
1793 * happens when the ofproto is being destroyed, since the caller
1794 * assumes that removal of attached ports will happen as part of
1796 if (!port
->is_tunnel
) {
1797 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1802 port
->peer
->peer
= NULL
;
1806 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1807 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1808 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1809 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1812 if (port
->is_tunnel
) {
1813 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1816 if (port
->is_tunnel
&& ofproto
->ipfix
) {
1817 dpif_ipfix_del_tunnel_port(ofproto
->ipfix
, port
->odp_port
);
1821 sset_find_and_delete(&ofproto
->ports
, devname
);
1822 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1823 bundle_remove(port_
);
1824 set_cfm(port_
, NULL
);
1825 set_bfd(port_
, NULL
);
1826 if (port
->stp_port
) {
1827 stp_port_disable(port
->stp_port
);
1829 set_rstp_port(port_
, NULL
);
1830 if (ofproto
->sflow
) {
1831 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1838 port_modified(struct ofport
*port_
)
1840 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1841 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1842 struct netdev
*netdev
= port
->up
.netdev
;
1844 if (port
->bundle
&& port
->bundle
->bond
) {
1845 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1849 cfm_set_netdev(port
->cfm
, netdev
);
1853 bfd_set_netdev(port
->bfd
, netdev
);
1856 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1857 port
->up
.pp
.hw_addr
);
1859 netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1861 if (port
->is_tunnel
) {
1862 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1864 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
,
1865 ovs_native_tunneling_is_on(ofproto
), namebuf
)) {
1866 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1870 ofport_update_peer(port
);
1874 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1876 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1877 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1878 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1880 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
1881 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
1882 OFPUTIL_PC_NO_PACKET_IN
)) {
1883 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1885 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
1886 bundle_update(port
->bundle
);
1892 set_sflow(struct ofproto
*ofproto_
,
1893 const struct ofproto_sflow_options
*sflow_options
)
1895 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1896 struct dpif_sflow
*ds
= ofproto
->sflow
;
1898 if (sflow_options
) {
1899 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
1901 struct ofport_dpif
*ofport
;
1903 ds
= ofproto
->sflow
= dpif_sflow_create();
1904 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1905 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
1908 dpif_sflow_set_options(ds
, sflow_options
);
1909 if (dpif_sflow_get_probability(ds
) != old_probability
) {
1910 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1914 dpif_sflow_unref(ds
);
1915 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1916 ofproto
->sflow
= NULL
;
1924 struct ofproto
*ofproto_
,
1925 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
1926 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
1927 size_t n_flow_exporters_options
)
1929 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1930 struct dpif_ipfix
*di
= ofproto
->ipfix
;
1931 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
1932 bool new_di
= false;
1934 if (has_options
&& !di
) {
1935 di
= ofproto
->ipfix
= dpif_ipfix_create();
1940 /* Call set_options in any case to cleanly flush the flow
1941 * caches in the last exporters that are to be destroyed. */
1942 dpif_ipfix_set_options(
1943 di
, bridge_exporter_options
, flow_exporters_options
,
1944 n_flow_exporters_options
);
1946 /* Add tunnel ports only when a new ipfix created */
1947 if (new_di
== true) {
1948 struct ofport_dpif
*ofport
;
1949 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1950 if (ofport
->is_tunnel
== true) {
1951 dpif_ipfix_add_tunnel_port(di
, &ofport
->up
, ofport
->odp_port
);
1957 dpif_ipfix_unref(di
);
1958 ofproto
->ipfix
= NULL
;
1966 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
1968 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1973 struct ofproto_dpif
*ofproto
;
1975 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1976 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1977 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
1980 if (cfm_configure(ofport
->cfm
, s
)) {
1987 cfm_unref(ofport
->cfm
);
1990 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1991 ofport
->up
.pp
.hw_addr
);
1996 cfm_status_changed(struct ofport
*ofport_
)
1998 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2000 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
2004 get_cfm_status(const struct ofport
*ofport_
,
2005 struct cfm_status
*status
)
2007 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2011 cfm_get_status(ofport
->cfm
, status
);
2020 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
2022 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
2023 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2027 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
2028 cfg
, ofport
->up
.netdev
);
2029 if (ofport
->bfd
!= old
) {
2030 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2032 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
2033 ofport
->up
.pp
.hw_addr
);
2038 bfd_status_changed(struct ofport
*ofport_
)
2040 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2042 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
2046 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
2048 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2052 bfd_get_status(ofport
->bfd
, smap
);
2060 /* Spanning Tree. */
2062 /* Called while rstp_mutex is held. */
2064 rstp_send_bpdu_cb(struct ofpbuf
*pkt
, void *ofport_
, void *ofproto_
)
2066 struct ofproto_dpif
*ofproto
= ofproto_
;
2067 struct ofport_dpif
*ofport
= ofport_
;
2068 struct eth_header
*eth
= ofpbuf_l2(pkt
);
2070 netdev_get_etheraddr(ofport
->up
.netdev
, eth
->eth_src
);
2071 if (eth_addr_is_zero(eth
->eth_src
)) {
2072 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2073 "does not have a configured source MAC address.",
2074 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2076 ofproto_dpif_send_packet(ofport
, pkt
);
2082 send_bpdu_cb(struct ofpbuf
*pkt
, int port_num
, void *ofproto_
)
2084 struct ofproto_dpif
*ofproto
= ofproto_
;
2085 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2086 struct ofport_dpif
*ofport
;
2088 ofport
= stp_port_get_aux(sp
);
2090 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2091 ofproto
->up
.name
, port_num
);
2093 struct eth_header
*eth
= ofpbuf_l2(pkt
);
2095 netdev_get_etheraddr(ofport
->up
.netdev
, eth
->eth_src
);
2096 if (eth_addr_is_zero(eth
->eth_src
)) {
2097 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2098 "with unknown MAC", ofproto
->up
.name
, port_num
);
2100 ofproto_dpif_send_packet(ofport
, pkt
);
2106 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2108 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2110 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2112 /* Only revalidate flows if the configuration changed. */
2113 if (!s
!= !ofproto
->rstp
) {
2114 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2118 if (!ofproto
->rstp
) {
2119 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2120 rstp_send_bpdu_cb
, ofproto
);
2121 ofproto
->rstp_last_tick
= time_msec();
2123 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2124 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2125 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2126 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2127 s
->force_protocol_version
);
2128 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2129 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2130 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2131 s
->transmit_hold_count
);
2133 struct ofport
*ofport
;
2134 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2135 set_rstp_port(ofport
, NULL
);
2137 rstp_unref(ofproto
->rstp
);
2138 ofproto
->rstp
= NULL
;
2143 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2145 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2147 if (ofproto
->rstp
) {
2149 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2150 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2151 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2152 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2153 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2154 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2161 update_rstp_port_state(struct ofport_dpif
*ofport
)
2163 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2164 enum rstp_state state
;
2166 /* Figure out new state. */
2167 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2171 if (ofport
->rstp_state
!= state
) {
2172 enum ofputil_port_state of_state
;
2175 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2176 netdev_get_name(ofport
->up
.netdev
),
2177 rstp_state_name(ofport
->rstp_state
),
2178 rstp_state_name(state
));
2180 if (rstp_learn_in_state(ofport
->rstp_state
)
2181 != rstp_learn_in_state(state
)) {
2182 /* XXX: Learning action flows should also be flushed. */
2183 if (ofport
->bundle
) {
2184 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2185 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2186 bundle_flush_macs(ofport
->bundle
, false);
2190 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2191 != rstp_forward_in_state(state
);
2193 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2194 ofport
->rstp_state
= state
;
2196 if (fwd_change
&& ofport
->bundle
) {
2197 bundle_update(ofport
->bundle
);
2200 /* Update the RSTP state bits in the OpenFlow port description. */
2201 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2202 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2203 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2204 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2206 ofproto_port_set_state(&ofport
->up
, of_state
);
2211 rstp_run(struct ofproto_dpif
*ofproto
)
2213 if (ofproto
->rstp
) {
2214 long long int now
= time_msec();
2215 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2216 struct rstp_port
*rp
;
2217 struct ofport_dpif
*ofport
;
2219 /* Every second, decrease the values of the timers. */
2220 if (elapsed
>= 1000) {
2221 rstp_tick_timers(ofproto
->rstp
);
2222 ofproto
->rstp_last_tick
= now
;
2225 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2226 update_rstp_port_state(ofport
);
2230 /* FIXME: This check should be done on-event (i.e., when setting
2231 * p->fdb_flush) and not periodically.
2233 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2234 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2235 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2236 bundle_flush_macs(ofport
->bundle
, false);
2240 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2241 bundle_move(((struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
))->bundle
,
2242 ((struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
))->bundle
);
2243 rstp_reset_root_changed(ofproto
->rstp
);
2248 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2250 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2252 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2254 /* Only revalidate flows if the configuration changed. */
2255 if (!s
!= !ofproto
->stp
) {
2256 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2260 if (!ofproto
->stp
) {
2261 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2262 send_bpdu_cb
, ofproto
);
2263 ofproto
->stp_last_tick
= time_msec();
2266 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2267 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2268 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2269 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2270 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2272 struct ofport
*ofport
;
2274 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2275 set_stp_port(ofport
, NULL
);
2278 stp_unref(ofproto
->stp
);
2279 ofproto
->stp
= NULL
;
2286 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2288 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2292 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2293 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2294 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2303 update_stp_port_state(struct ofport_dpif
*ofport
)
2305 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2306 enum stp_state state
;
2308 /* Figure out new state. */
2309 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2313 if (ofport
->stp_state
!= state
) {
2314 enum ofputil_port_state of_state
;
2317 VLOG_DBG("port %s: STP state changed from %s to %s",
2318 netdev_get_name(ofport
->up
.netdev
),
2319 stp_state_name(ofport
->stp_state
),
2320 stp_state_name(state
));
2321 if (stp_learn_in_state(ofport
->stp_state
)
2322 != stp_learn_in_state(state
)) {
2323 /* xxx Learning action flows should also be flushed. */
2324 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2325 mac_learning_flush(ofproto
->ml
);
2326 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2327 mcast_snooping_mdb_flush(ofproto
->ms
);
2329 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2330 != stp_forward_in_state(state
);
2332 ofproto
->backer
->need_revalidate
= REV_STP
;
2333 ofport
->stp_state
= state
;
2334 ofport
->stp_state_entered
= time_msec();
2336 if (fwd_change
&& ofport
->bundle
) {
2337 bundle_update(ofport
->bundle
);
2340 /* Update the STP state bits in the OpenFlow port description. */
2341 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2342 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2343 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2344 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2345 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2347 ofproto_port_set_state(&ofport
->up
, of_state
);
2351 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2352 * caller is responsible for assigning STP port numbers and ensuring
2353 * there are no duplicates. */
2355 set_stp_port(struct ofport
*ofport_
,
2356 const struct ofproto_port_stp_settings
*s
)
2358 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2359 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2360 struct stp_port
*sp
= ofport
->stp_port
;
2362 if (!s
|| !s
->enable
) {
2364 ofport
->stp_port
= NULL
;
2365 stp_port_disable(sp
);
2366 update_stp_port_state(ofport
);
2369 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2370 && ofport
== stp_port_get_aux(sp
)) {
2371 /* The port-id changed, so disable the old one if it's not
2372 * already in use by another port. */
2373 stp_port_disable(sp
);
2376 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2378 /* Set name before enabling the port so that debugging messages can print
2380 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2381 stp_port_enable(sp
);
2383 stp_port_set_aux(sp
, ofport
);
2384 stp_port_set_priority(sp
, s
->priority
);
2385 stp_port_set_path_cost(sp
, s
->path_cost
);
2387 update_stp_port_state(ofport
);
2393 get_stp_port_status(struct ofport
*ofport_
,
2394 struct ofproto_port_stp_status
*s
)
2396 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2397 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2398 struct stp_port
*sp
= ofport
->stp_port
;
2400 if (!ofproto
->stp
|| !sp
) {
2406 s
->port_id
= stp_port_get_id(sp
);
2407 s
->state
= stp_port_get_state(sp
);
2408 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2409 s
->role
= stp_port_get_role(sp
);
2415 get_stp_port_stats(struct ofport
*ofport_
,
2416 struct ofproto_port_stp_stats
*s
)
2418 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2419 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2420 struct stp_port
*sp
= ofport
->stp_port
;
2422 if (!ofproto
->stp
|| !sp
) {
2428 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2434 stp_run(struct ofproto_dpif
*ofproto
)
2437 long long int now
= time_msec();
2438 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2439 struct stp_port
*sp
;
2442 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2443 ofproto
->stp_last_tick
= now
;
2445 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2446 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2449 update_stp_port_state(ofport
);
2453 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2454 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2455 mac_learning_flush(ofproto
->ml
);
2456 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2457 mcast_snooping_mdb_flush(ofproto
->ms
);
2463 stp_wait(struct ofproto_dpif
*ofproto
)
2466 poll_timer_wait(1000);
2470 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2471 * caller is responsible for assigning RSTP port numbers and ensuring
2472 * there are no duplicates. */
2474 set_rstp_port(struct ofport
*ofport_
,
2475 const struct ofproto_port_rstp_settings
*s
)
2477 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2478 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2479 struct rstp_port
*rp
= ofport
->rstp_port
;
2481 if (!s
|| !s
->enable
) {
2483 rstp_port_unref(rp
);
2484 ofport
->rstp_port
= NULL
;
2485 update_rstp_port_state(ofport
);
2490 /* Check if need to add a new port. */
2492 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2495 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2496 s
->admin_edge_port
, s
->auto_edge
,
2497 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2499 update_rstp_port_state(ofport
);
2500 /* Synchronize operational status. */
2501 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2505 get_rstp_port_status(struct ofport
*ofport_
,
2506 struct ofproto_port_rstp_status
*s
)
2508 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2509 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2510 struct rstp_port
*rp
= ofport
->rstp_port
;
2512 if (!ofproto
->rstp
|| !rp
) {
2518 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2519 &s
->designated_bridge_id
, &s
->designated_port_id
,
2520 &s
->designated_path_cost
, &s
->tx_count
,
2521 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2526 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2529 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2530 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2532 if (ofport
->n_qdscp
!= n_qdscp
2533 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2534 n_qdscp
* sizeof *qdscp
))) {
2535 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2536 free(ofport
->qdscp
);
2537 ofport
->qdscp
= n_qdscp
2538 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2540 ofport
->n_qdscp
= n_qdscp
;
2548 /* Expires all MAC learning entries associated with 'bundle' and forces its
2549 * ofproto to revalidate every flow.
2551 * Normally MAC learning entries are removed only from the ofproto associated
2552 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2553 * are removed from every ofproto. When patch ports and SLB bonds are in use
2554 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2555 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2556 * with the host from which it migrated. */
2558 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2560 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2561 struct mac_learning
*ml
= ofproto
->ml
;
2562 struct mac_entry
*mac
, *next_mac
;
2564 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2565 ovs_rwlock_wrlock(&ml
->rwlock
);
2566 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2567 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2569 struct ofproto_dpif
*o
;
2571 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2573 struct mac_entry
*e
;
2575 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2576 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2578 mac_learning_expire(o
->ml
, e
);
2580 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2585 mac_learning_expire(ml
, mac
);
2588 ovs_rwlock_unlock(&ml
->rwlock
);
2592 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2594 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2595 struct mac_learning
*ml
= ofproto
->ml
;
2596 struct mac_entry
*mac
, *next_mac
;
2598 ovs_assert(new->ofproto
== old
->ofproto
);
2600 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2601 ovs_rwlock_wrlock(&ml
->rwlock
);
2602 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2603 if (mac_entry_get_port(ml
, mac
) == old
) {
2604 mac_entry_set_port(ml
, mac
, new);
2607 ovs_rwlock_unlock(&ml
->rwlock
);
2610 static struct ofbundle
*
2611 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2613 struct ofbundle
*bundle
;
2615 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2616 &ofproto
->bundles
) {
2617 if (bundle
->aux
== aux
) {
2625 bundle_update(struct ofbundle
*bundle
)
2627 struct ofport_dpif
*port
;
2629 bundle
->floodable
= true;
2630 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2631 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2633 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2634 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2635 bundle
->floodable
= false;
2642 bundle_del_port(struct ofport_dpif
*port
)
2644 struct ofbundle
*bundle
= port
->bundle
;
2646 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2648 list_remove(&port
->bundle_node
);
2649 port
->bundle
= NULL
;
2652 lacp_slave_unregister(bundle
->lacp
, port
);
2655 bond_slave_unregister(bundle
->bond
, port
);
2658 bundle_update(bundle
);
2662 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2663 struct lacp_slave_settings
*lacp
)
2665 struct ofport_dpif
*port
;
2667 port
= get_ofp_port(bundle
->ofproto
, ofp_port
);
2672 if (port
->bundle
!= bundle
) {
2673 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2675 bundle_remove(&port
->up
);
2678 port
->bundle
= bundle
;
2679 list_push_back(&bundle
->ports
, &port
->bundle_node
);
2680 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2682 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2683 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2684 bundle
->floodable
= false;
2688 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2689 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2696 bundle_destroy(struct ofbundle
*bundle
)
2698 struct ofproto_dpif
*ofproto
;
2699 struct ofport_dpif
*port
, *next_port
;
2705 ofproto
= bundle
->ofproto
;
2706 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2709 xlate_bundle_remove(bundle
);
2712 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2713 bundle_del_port(port
);
2716 bundle_flush_macs(bundle
, true);
2717 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2719 free(bundle
->trunks
);
2720 lacp_unref(bundle
->lacp
);
2721 bond_unref(bundle
->bond
);
2726 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2727 const struct ofproto_bundle_settings
*s
)
2729 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2730 bool need_flush
= false;
2731 struct ofport_dpif
*port
;
2732 struct ofbundle
*bundle
;
2733 unsigned long *trunks
;
2739 bundle_destroy(bundle_lookup(ofproto
, aux
));
2743 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
2744 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
2746 bundle
= bundle_lookup(ofproto
, aux
);
2748 bundle
= xmalloc(sizeof *bundle
);
2750 bundle
->ofproto
= ofproto
;
2751 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
2752 hash_pointer(aux
, 0));
2754 bundle
->name
= NULL
;
2756 list_init(&bundle
->ports
);
2757 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
2759 bundle
->trunks
= NULL
;
2760 bundle
->use_priority_tags
= s
->use_priority_tags
;
2761 bundle
->lacp
= NULL
;
2762 bundle
->bond
= NULL
;
2764 bundle
->floodable
= true;
2765 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
2768 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
2770 bundle
->name
= xstrdup(s
->name
);
2775 ofproto
->lacp_enabled
= true;
2776 if (!bundle
->lacp
) {
2777 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2778 bundle
->lacp
= lacp_create();
2780 lacp_configure(bundle
->lacp
, s
->lacp
);
2782 lacp_unref(bundle
->lacp
);
2783 bundle
->lacp
= NULL
;
2786 /* Update set of ports. */
2788 for (i
= 0; i
< s
->n_slaves
; i
++) {
2789 if (!bundle_add_port(bundle
, s
->slaves
[i
],
2790 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
2794 if (!ok
|| list_size(&bundle
->ports
) != s
->n_slaves
) {
2795 struct ofport_dpif
*next_port
;
2797 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2798 for (i
= 0; i
< s
->n_slaves
; i
++) {
2799 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
2804 bundle_del_port(port
);
2808 ovs_assert(list_size(&bundle
->ports
) <= s
->n_slaves
);
2810 if (list_is_empty(&bundle
->ports
)) {
2811 bundle_destroy(bundle
);
2815 /* Set VLAN tagging mode */
2816 if (s
->vlan_mode
!= bundle
->vlan_mode
2817 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
2818 bundle
->vlan_mode
= s
->vlan_mode
;
2819 bundle
->use_priority_tags
= s
->use_priority_tags
;
2824 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
2825 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
2827 if (vlan
!= bundle
->vlan
) {
2828 bundle
->vlan
= vlan
;
2832 /* Get trunked VLANs. */
2833 switch (s
->vlan_mode
) {
2834 case PORT_VLAN_ACCESS
:
2838 case PORT_VLAN_TRUNK
:
2839 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2842 case PORT_VLAN_NATIVE_UNTAGGED
:
2843 case PORT_VLAN_NATIVE_TAGGED
:
2844 if (vlan
!= 0 && (!s
->trunks
2845 || !bitmap_is_set(s
->trunks
, vlan
)
2846 || bitmap_is_set(s
->trunks
, 0))) {
2847 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2849 trunks
= bitmap_clone(s
->trunks
, 4096);
2851 trunks
= bitmap_allocate1(4096);
2853 bitmap_set1(trunks
, vlan
);
2854 bitmap_set0(trunks
, 0);
2856 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2863 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
2864 free(bundle
->trunks
);
2865 if (trunks
== s
->trunks
) {
2866 bundle
->trunks
= vlan_bitmap_clone(trunks
);
2868 bundle
->trunks
= trunks
;
2873 if (trunks
!= s
->trunks
) {
2878 if (!list_is_short(&bundle
->ports
)) {
2879 bundle
->ofproto
->has_bonded_bundles
= true;
2881 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
2882 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2885 bundle
->bond
= bond_create(s
->bond
, ofproto
);
2886 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2889 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2890 bond_slave_register(bundle
->bond
, port
,
2891 port
->up
.ofp_port
, port
->up
.netdev
);
2894 bond_unref(bundle
->bond
);
2895 bundle
->bond
= NULL
;
2898 /* If we changed something that would affect MAC learning, un-learn
2899 * everything on this port and force flow revalidation. */
2901 bundle_flush_macs(bundle
, false);
2908 bundle_remove(struct ofport
*port_
)
2910 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2911 struct ofbundle
*bundle
= port
->bundle
;
2914 bundle_del_port(port
);
2915 if (list_is_empty(&bundle
->ports
)) {
2916 bundle_destroy(bundle
);
2917 } else if (list_is_short(&bundle
->ports
)) {
2918 bond_unref(bundle
->bond
);
2919 bundle
->bond
= NULL
;
2925 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
2927 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
2928 struct ofport_dpif
*port
= port_
;
2929 uint8_t ea
[ETH_ADDR_LEN
];
2932 error
= netdev_get_etheraddr(port
->up
.netdev
, ea
);
2934 struct ofpbuf packet
;
2937 ofpbuf_init(&packet
, 0);
2938 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
2940 memcpy(packet_pdu
, pdu
, pdu_size
);
2942 ofproto_dpif_send_packet(port
, &packet
);
2943 ofpbuf_uninit(&packet
);
2945 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
2946 "%s (%s)", port
->bundle
->name
,
2947 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
2952 bundle_send_learning_packets(struct ofbundle
*bundle
)
2954 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2955 struct ofpbuf
*learning_packet
;
2956 int error
, n_packets
, n_errors
;
2957 struct mac_entry
*e
;
2958 struct ovs_list packets
;
2960 list_init(&packets
);
2961 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
2962 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
2963 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
2966 learning_packet
= bond_compose_learning_packet(bundle
->bond
,
2969 /* Temporarily use 'frame' as a private pointer (see below). */
2970 ovs_assert(learning_packet
->frame
== ofpbuf_data(learning_packet
));
2971 learning_packet
->frame
= port_void
;
2972 list_push_back(&packets
, &learning_packet
->list_node
);
2975 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2977 error
= n_packets
= n_errors
= 0;
2978 LIST_FOR_EACH (learning_packet
, list_node
, &packets
) {
2980 void *port_void
= learning_packet
->frame
;
2982 /* Restore 'frame'. */
2983 learning_packet
->frame
= ofpbuf_data(learning_packet
);
2984 ret
= ofproto_dpif_send_packet(port_void
, learning_packet
);
2991 ofpbuf_list_delete(&packets
);
2994 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2995 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
2996 "packets, last error was: %s",
2997 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
2999 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3000 bundle
->name
, n_packets
);
3005 bundle_run(struct ofbundle
*bundle
)
3008 lacp_run(bundle
->lacp
, send_pdu_cb
);
3011 struct ofport_dpif
*port
;
3013 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3014 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3017 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3018 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3021 if (bond_should_send_learning_packets(bundle
->bond
)) {
3022 bundle_send_learning_packets(bundle
);
3028 bundle_wait(struct ofbundle
*bundle
)
3031 lacp_wait(bundle
->lacp
);
3034 bond_wait(bundle
->bond
);
3041 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3042 const struct ofproto_mirror_settings
*s
)
3044 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3045 struct ofbundle
**srcs
, **dsts
;
3050 mirror_destroy(ofproto
->mbridge
, aux
);
3054 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3055 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3057 for (i
= 0; i
< s
->n_srcs
; i
++) {
3058 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3061 for (i
= 0; i
< s
->n_dsts
; i
++) {
3062 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3065 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3066 s
->n_dsts
, s
->src_vlans
,
3067 bundle_lookup(ofproto
, s
->out_bundle
), s
->out_vlan
);
3074 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3075 uint64_t *packets
, uint64_t *bytes
)
3077 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3082 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3084 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3085 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3086 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3087 mac_learning_flush(ofproto
->ml
);
3089 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3094 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3096 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3097 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3098 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3102 forward_bpdu_changed(struct ofproto
*ofproto_
)
3104 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3105 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3109 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3112 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3113 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3114 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3115 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3116 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3119 /* Configures multicast snooping on 'ofport' using the settings
3120 * defined in 's'. */
3122 set_mcast_snooping(struct ofproto
*ofproto_
,
3123 const struct ofproto_mcast_snooping_settings
*s
)
3125 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3127 /* Only revalidate flows if the configuration changed. */
3128 if (!s
!= !ofproto
->ms
) {
3129 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3134 ofproto
->ms
= mcast_snooping_create();
3137 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3138 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3139 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3140 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3141 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3143 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3145 mcast_snooping_unref(ofproto
->ms
);
3152 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3154 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3155 const struct ofproto_mcast_snooping_port_settings
*s
)
3157 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3158 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3160 if (ofproto
->ms
&& s
) {
3161 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3162 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3163 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3165 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3173 static struct ofport_dpif
*
3174 get_ofp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3176 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3177 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3181 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3182 struct ofproto_port
*ofproto_port
,
3183 struct dpif_port
*dpif_port
)
3185 ofproto_port
->name
= dpif_port
->name
;
3186 ofproto_port
->type
= dpif_port
->type
;
3187 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3191 ofport_update_peer(struct ofport_dpif
*ofport
)
3193 const struct ofproto_dpif
*ofproto
;
3194 struct dpif_backer
*backer
;
3197 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3201 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3202 backer
->need_revalidate
= REV_RECONFIGURE
;
3205 ofport
->peer
->peer
= NULL
;
3206 ofport
->peer
= NULL
;
3209 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3214 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3215 struct ofport
*peer_ofport
;
3216 struct ofport_dpif
*peer
;
3219 if (ofproto
->backer
!= backer
) {
3223 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3228 peer
= ofport_dpif_cast(peer_ofport
);
3229 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3230 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3232 ofport
->peer
= peer
;
3233 ofport
->peer
->peer
= ofport
;
3243 port_run(struct ofport_dpif
*ofport
)
3245 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3246 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3247 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3248 bool cfm_enable
= false;
3249 bool bfd_enable
= false;
3251 ofport
->carrier_seq
= carrier_seq
;
3254 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3256 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3258 if (cfm_opup
>= 0) {
3259 cfm_enable
= cfm_enable
&& cfm_opup
;
3264 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3267 if (ofport
->bfd
|| ofport
->cfm
) {
3268 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3271 if (ofport
->bundle
) {
3272 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3273 if (carrier_changed
) {
3274 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3278 if (ofport
->may_enable
!= enable
) {
3279 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3281 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3283 if (ofport
->rstp_port
) {
3284 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3288 ofport
->may_enable
= enable
;
3292 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3293 struct ofproto_port
*ofproto_port
)
3295 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3296 struct dpif_port dpif_port
;
3299 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3300 const char *type
= netdev_get_type_from_name(devname
);
3302 /* We may be called before ofproto->up.port_by_name is populated with
3303 * the appropriate ofport. For this reason, we must get the name and
3304 * type from the netdev layer directly. */
3306 const struct ofport
*ofport
;
3308 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3309 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3310 ofproto_port
->name
= xstrdup(devname
);
3311 ofproto_port
->type
= xstrdup(type
);
3317 if (!sset_contains(&ofproto
->ports
, devname
)) {
3320 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3321 devname
, &dpif_port
);
3323 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3329 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3331 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3332 const char *devname
= netdev_get_name(netdev
);
3333 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3334 const char *dp_port_name
;
3336 if (netdev_vport_is_patch(netdev
)) {
3337 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3341 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3342 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3343 odp_port_t port_no
= ODPP_NONE
;
3346 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3350 if (netdev_get_tunnel_config(netdev
)) {
3351 simap_put(&ofproto
->backer
->tnl_backers
,
3352 dp_port_name
, odp_to_u32(port_no
));
3356 if (netdev_get_tunnel_config(netdev
)) {
3357 sset_add(&ofproto
->ghost_ports
, devname
);
3359 sset_add(&ofproto
->ports
, devname
);
3365 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3367 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3368 struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
3375 sset_find_and_delete(&ofproto
->ghost_ports
,
3376 netdev_get_name(ofport
->up
.netdev
));
3377 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3378 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3379 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
3381 /* The caller is going to close ofport->up.netdev. If this is a
3382 * bonded port, then the bond is using that netdev, so remove it
3383 * from the bond. The client will need to reconfigure everything
3384 * after deleting ports, so then the slave will get re-added. */
3385 bundle_remove(&ofport
->up
);
3392 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3394 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3397 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3399 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3400 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3402 ovs_mutex_lock(&ofproto
->stats_mutex
);
3403 /* ofproto->stats.tx_packets represents packets that we created
3404 * internally and sent to some port (e.g. packets sent with
3405 * ofproto_dpif_send_packet()). Account for them as if they had
3406 * come from OFPP_LOCAL and got forwarded. */
3408 if (stats
->rx_packets
!= UINT64_MAX
) {
3409 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3412 if (stats
->rx_bytes
!= UINT64_MAX
) {
3413 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3416 /* ofproto->stats.rx_packets represents packets that were received on
3417 * some port and we processed internally and dropped (e.g. STP).
3418 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3420 if (stats
->tx_packets
!= UINT64_MAX
) {
3421 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3424 if (stats
->tx_bytes
!= UINT64_MAX
) {
3425 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3427 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3434 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3436 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3437 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3438 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3445 struct port_dump_state
{
3450 struct ofproto_port port
;
3455 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3457 *statep
= xzalloc(sizeof(struct port_dump_state
));
3462 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3463 struct ofproto_port
*port
)
3465 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3466 struct port_dump_state
*state
= state_
;
3467 const struct sset
*sset
;
3468 struct sset_node
*node
;
3470 if (state
->has_port
) {
3471 ofproto_port_destroy(&state
->port
);
3472 state
->has_port
= false;
3474 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3475 while ((node
= sset_at_position(sset
, &state
->bucket
, &state
->offset
))) {
3478 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3480 *port
= state
->port
;
3481 state
->has_port
= true;
3483 } else if (error
!= ENODEV
) {
3488 if (!state
->ghost
) {
3489 state
->ghost
= true;
3492 return port_dump_next(ofproto_
, state_
, port
);
3499 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3501 struct port_dump_state
*state
= state_
;
3503 if (state
->has_port
) {
3504 ofproto_port_destroy(&state
->port
);
3511 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3513 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3515 if (ofproto
->port_poll_errno
) {
3516 int error
= ofproto
->port_poll_errno
;
3517 ofproto
->port_poll_errno
= 0;
3521 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3525 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3530 port_poll_wait(const struct ofproto
*ofproto_
)
3532 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3533 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3537 port_is_lacp_current(const struct ofport
*ofport_
)
3539 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3540 return (ofport
->bundle
&& ofport
->bundle
->lacp
3541 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3545 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3546 * then delete it entirely. */
3548 rule_expire(struct rule_dpif
*rule
)
3549 OVS_REQUIRES(ofproto_mutex
)
3551 uint16_t hard_timeout
, idle_timeout
;
3552 long long int now
= time_msec();
3555 hard_timeout
= rule
->up
.hard_timeout
;
3556 idle_timeout
= rule
->up
.idle_timeout
;
3558 /* Has 'rule' expired? */
3560 long long int modified
;
3562 ovs_mutex_lock(&rule
->up
.mutex
);
3563 modified
= rule
->up
.modified
;
3564 ovs_mutex_unlock(&rule
->up
.mutex
);
3566 if (now
> modified
+ hard_timeout
* 1000) {
3567 reason
= OFPRR_HARD_TIMEOUT
;
3571 if (reason
< 0 && idle_timeout
) {
3574 ovs_mutex_lock(&rule
->stats_mutex
);
3575 used
= rule
->stats
.used
;
3576 ovs_mutex_unlock(&rule
->stats_mutex
);
3578 if (now
> used
+ idle_timeout
* 1000) {
3579 reason
= OFPRR_IDLE_TIMEOUT
;
3584 COVERAGE_INC(ofproto_dpif_expired
);
3585 ofproto_rule_expire(&rule
->up
, reason
);
3589 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3590 * 'flow' must reflect the data in 'packet'. */
3592 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3593 const struct flow
*flow
,
3594 struct rule_dpif
*rule
,
3595 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3596 struct ofpbuf
*packet
)
3598 struct dpif_flow_stats stats
;
3599 struct xlate_out xout
;
3600 struct xlate_in xin
;
3602 struct dpif_execute execute
;
3605 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3607 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3610 rule_dpif_credit_stats(rule
, &stats
);
3613 xlate_in_init(&xin
, ofproto
, flow
, flow
->in_port
.ofp_port
, rule
,
3614 stats
.tcp_flags
, packet
);
3615 xin
.ofpacts
= ofpacts
;
3616 xin
.ofpacts_len
= ofpacts_len
;
3617 xin
.resubmit_stats
= &stats
;
3618 xlate_actions(&xin
, &xout
);
3620 execute
.actions
= ofpbuf_data(xout
.odp_actions
);
3621 execute
.actions_len
= ofpbuf_size(xout
.odp_actions
);
3623 execute
.packet
= packet
;
3624 execute
.md
= pkt_metadata_from_flow(flow
);
3625 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3626 execute
.probe
= false;
3628 /* Fix up in_port. */
3629 in_port
= flow
->in_port
.ofp_port
;
3630 if (in_port
== OFPP_NONE
) {
3631 in_port
= OFPP_LOCAL
;
3633 execute
.md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3635 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3637 xlate_out_uninit(&xout
);
3643 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3644 const struct dpif_flow_stats
*stats
)
3646 ovs_mutex_lock(&rule
->stats_mutex
);
3647 rule
->stats
.n_packets
+= stats
->n_packets
;
3648 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3649 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3650 ovs_mutex_unlock(&rule
->stats_mutex
);
3654 rule_dpif_get_flow_cookie(const struct rule_dpif
*rule
)
3655 OVS_REQUIRES(rule
->up
.mutex
)
3657 return rule
->up
.flow_cookie
;
3661 rule_dpif_reduce_timeouts(struct rule_dpif
*rule
, uint16_t idle_timeout
,
3662 uint16_t hard_timeout
)
3664 ofproto_rule_reduce_timeouts(&rule
->up
, idle_timeout
, hard_timeout
);
3667 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3668 * be read until the calling thread quiesces. */
3669 const struct rule_actions
*
3670 rule_dpif_get_actions(const struct rule_dpif
*rule
)
3672 return rule_get_actions(&rule
->up
);
3675 /* Sets 'rule''s recirculation id. */
3677 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
3678 OVS_REQUIRES(rule
->up
.mutex
)
3680 ovs_assert(!rule
->recirc_id
);
3681 rule
->recirc_id
= id
;
3684 /* Returns 'rule''s recirculation id. */
3686 rule_dpif_get_recirc_id(struct rule_dpif
*rule
)
3687 OVS_REQUIRES(rule
->up
.mutex
)
3689 if (!rule
->recirc_id
) {
3690 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3692 rule_dpif_set_recirc_id(rule
, ofproto_dpif_alloc_recirc_id(ofproto
));
3694 return rule
->recirc_id
;
3697 /* Sets 'rule''s recirculation id. */
3699 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
3701 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3703 ovs_mutex_lock(&rule
->up
.mutex
);
3704 rule_dpif_set_recirc_id(rule
, id
);
3705 ovs_mutex_unlock(&rule
->up
.mutex
);
3708 /* Lookup 'flow' in table 0 of 'ofproto''s classifier.
3709 * If 'wc' is non-null, sets the fields that were relevant as part of
3710 * the lookup. Returns the table id where a match or miss occurred via
3711 * 'table_id'. This will be zero unless there was a miss and
3712 * OFPTC11_TABLE_MISS_CONTINUE is in effect for the sequence of tables
3713 * where misses occur, or TBL_INTERNAL if the rule has a non-zero
3714 * recirculation ID, and a match was found in the internal table, or if
3715 * there was no match and one of the special rules (drop_frags_rule,
3716 * miss_rule, or no_packet_in_rule) was returned.
3718 * The return value is the found rule, which is valid at least until the next
3719 * RCU quiescent period. If the rule needs to stay around longer,
3720 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3721 * on it before this returns. */
3723 rule_dpif_lookup(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
3724 struct flow_wildcards
*wc
, bool take_ref
,
3725 const struct dpif_flow_stats
*stats
, uint8_t *table_id
)
3729 if (ofproto_dpif_get_enable_recirc(ofproto
)) {
3730 /* Always exactly match recirc_id since datapath supports
3733 wc
->masks
.recirc_id
= UINT32_MAX
;
3735 *table_id
= rule_dpif_lookup_get_init_table_id(flow
);
3738 return rule_dpif_lookup_from_table(ofproto
, flow
, wc
, take_ref
, stats
,
3739 table_id
, flow
->in_port
.ofp_port
, true,
3743 /* The returned rule (if any) is valid at least until the next RCU quiescent
3744 * period. If the rule needs to stay around longer, a non-zero 'take_ref'
3745 * must be passed in to cause a reference to be taken on it.
3747 * 'flow' is non-const to allow for temporary modifications during the lookup.
3748 * Any changes are restored before returning. */
3749 static struct rule_dpif
*
3750 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
3751 struct flow
*flow
, struct flow_wildcards
*wc
,
3754 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
3755 const struct cls_rule
*cls_rule
;
3756 struct rule_dpif
*rule
;
3759 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3761 rule
= rule_dpif_cast(rule_from_cls_rule(cls_rule
));
3763 /* Try again if the rule was released before we get the reference. */
3764 } while (rule
&& take_ref
&& !rule_dpif_try_ref(rule
));
3769 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3770 * Returns the rule that was found, which may be one of the special rules
3771 * according to packet miss hadling. If 'may_packet_in' is false, returning of
3772 * the miss_rule (which issues packet ins for the controller) is avoided.
3773 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3776 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3777 * if none is found then the table miss configuration for that table is
3778 * honored, which can result in additional lookups in other OpenFlow tables.
3779 * In this case the function updates '*table_id' to reflect the final OpenFlow
3780 * table that was searched.
3782 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3785 * The rule is returned in '*rule', which is valid at least until the next
3786 * RCU quiescent period. If the '*rule' needs to stay around longer,
3787 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3788 * on it before this returns.
3790 * 'in_port' allows the lookup to take place as if the in port had the value
3791 * 'in_port'. This is needed for resubmit action support.
3793 * 'flow' is non-const to allow for temporary modifications during the lookup.
3794 * Any changes are restored before returning. */
3796 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
3797 struct flow_wildcards
*wc
, bool take_ref
,
3798 const struct dpif_flow_stats
*stats
,
3799 uint8_t *table_id
, ofp_port_t in_port
,
3800 bool may_packet_in
, bool honor_table_miss
)
3802 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
3803 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
3804 enum ofputil_table_miss miss_config
;
3805 struct rule_dpif
*rule
;
3808 /* We always unwildcard nw_frag (for IP), so they
3809 * need not be unwildcarded here. */
3810 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
3811 && ofproto
->up
.frag_handling
!= OFPC_FRAG_NX_MATCH
) {
3812 if (ofproto
->up
.frag_handling
== OFPC_FRAG_NORMAL
) {
3813 /* We must pretend that transport ports are unavailable. */
3814 flow
->tp_src
= htons(0);
3815 flow
->tp_dst
= htons(0);
3817 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3818 * Use the drop_frags_rule (which cannot disappear). */
3819 rule
= ofproto
->drop_frags_rule
;
3821 rule_dpif_ref(rule
);
3824 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
3827 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
3833 /* Look up a flow with 'in_port' as the input port. Then restore the
3834 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3835 * have surprising behavior). */
3836 flow
->in_port
.ofp_port
= in_port
;
3838 /* Our current implementation depends on n_tables == N_TABLES, and
3839 * TBL_INTERNAL being the last table. */
3840 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
3842 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
3844 for (next_id
= *table_id
;
3845 next_id
< ofproto
->up
.n_tables
;
3846 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
3848 *table_id
= next_id
;
3849 rule
= rule_dpif_lookup_in_table(ofproto
, next_id
, flow
, wc
, take_ref
);
3851 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
3854 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
3855 stats
->n_packets
, &orig
);
3858 goto out
; /* Match. */
3860 if (honor_table_miss
) {
3861 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
3863 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
3870 rule
= ofproto
->no_packet_in_rule
;
3871 if (may_packet_in
) {
3872 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
3873 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
3874 struct ofport_dpif
*port
;
3876 port
= get_ofp_port(ofproto
, old_in_port
);
3878 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu16
,
3880 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
3881 rule
= ofproto
->miss_rule
;
3883 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
3884 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
3885 rule
= ofproto
->miss_rule
;
3889 rule_dpif_ref(rule
);
3892 /* Restore port numbers, as they may have been modified above. */
3893 flow
->tp_src
= old_tp_src
;
3894 flow
->tp_dst
= old_tp_dst
;
3895 /* Restore the old in port. */
3896 flow
->in_port
.ofp_port
= old_in_port
;
3902 complete_operation(struct rule_dpif
*rule
)
3903 OVS_REQUIRES(ofproto_mutex
)
3905 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3907 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3910 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
3912 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
3915 static struct rule
*
3918 struct rule_dpif
*rule
= xmalloc(sizeof *rule
);
3923 rule_dealloc(struct rule
*rule_
)
3925 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3930 rule_construct(struct rule
*rule_
)
3931 OVS_NO_THREAD_SAFETY_ANALYSIS
3933 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3934 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
3935 rule
->stats
.n_packets
= 0;
3936 rule
->stats
.n_bytes
= 0;
3937 rule
->stats
.used
= rule
->up
.modified
;
3938 rule
->recirc_id
= 0;
3944 rule_insert(struct rule
*rule_
)
3945 OVS_REQUIRES(ofproto_mutex
)
3947 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3948 complete_operation(rule
);
3953 rule_delete(struct rule
*rule_
)
3954 OVS_REQUIRES(ofproto_mutex
)
3956 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3957 complete_operation(rule
);
3961 rule_destruct(struct rule
*rule_
)
3963 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3965 ovs_mutex_destroy(&rule
->stats_mutex
);
3966 if (rule
->recirc_id
) {
3967 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3969 ofproto_dpif_free_recirc_id(ofproto
, rule
->recirc_id
);
3974 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
3975 long long int *used
)
3977 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3979 ovs_mutex_lock(&rule
->stats_mutex
);
3980 *packets
= rule
->stats
.n_packets
;
3981 *bytes
= rule
->stats
.n_bytes
;
3982 *used
= rule
->stats
.used
;
3983 ovs_mutex_unlock(&rule
->stats_mutex
);
3987 rule_dpif_execute(struct rule_dpif
*rule
, const struct flow
*flow
,
3988 struct ofpbuf
*packet
)
3990 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3992 ofproto_dpif_execute_actions(ofproto
, flow
, rule
, NULL
, 0, packet
);
3996 rule_execute(struct rule
*rule
, const struct flow
*flow
,
3997 struct ofpbuf
*packet
)
3999 rule_dpif_execute(rule_dpif_cast(rule
), flow
, packet
);
4000 ofpbuf_delete(packet
);
4005 rule_modify_actions(struct rule
*rule_
, bool reset_counters
)
4006 OVS_REQUIRES(ofproto_mutex
)
4008 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
4010 if (reset_counters
) {
4011 ovs_mutex_lock(&rule
->stats_mutex
);
4012 rule
->stats
.n_packets
= 0;
4013 rule
->stats
.n_bytes
= 0;
4014 ovs_mutex_unlock(&rule
->stats_mutex
);
4017 complete_operation(rule
);
4020 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
4022 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
4025 static struct ofgroup
*
4028 struct group_dpif
*group
= xzalloc(sizeof *group
);
4033 group_dealloc(struct ofgroup
*group_
)
4035 struct group_dpif
*group
= group_dpif_cast(group_
);
4040 group_construct_stats(struct group_dpif
*group
)
4041 OVS_REQUIRES(group
->stats_mutex
)
4043 struct ofputil_bucket
*bucket
;
4044 const struct ovs_list
*buckets
;
4046 group
->packet_count
= 0;
4047 group
->byte_count
= 0;
4049 group_dpif_get_buckets(group
, &buckets
);
4050 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4051 bucket
->stats
.packet_count
= 0;
4052 bucket
->stats
.byte_count
= 0;
4057 group_dpif_credit_stats(struct group_dpif
*group
,
4058 struct ofputil_bucket
*bucket
,
4059 const struct dpif_flow_stats
*stats
)
4061 ovs_mutex_lock(&group
->stats_mutex
);
4062 group
->packet_count
+= stats
->n_packets
;
4063 group
->byte_count
+= stats
->n_bytes
;
4065 bucket
->stats
.packet_count
+= stats
->n_packets
;
4066 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4067 } else { /* Credit to all buckets */
4068 const struct ovs_list
*buckets
;
4070 group_dpif_get_buckets(group
, &buckets
);
4071 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4072 bucket
->stats
.packet_count
+= stats
->n_packets
;
4073 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4076 ovs_mutex_unlock(&group
->stats_mutex
);
4080 group_construct(struct ofgroup
*group_
)
4082 struct group_dpif
*group
= group_dpif_cast(group_
);
4083 const struct ofputil_bucket
*bucket
;
4085 /* Prevent group chaining because our locking structure makes it hard to
4086 * implement deadlock-free. (See xlate_group_resource_check().) */
4087 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4088 const struct ofpact
*a
;
4090 OFPACT_FOR_EACH (a
, bucket
->ofpacts
, bucket
->ofpacts_len
) {
4091 if (a
->type
== OFPACT_GROUP
) {
4092 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED
;
4097 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4098 ovs_mutex_lock(&group
->stats_mutex
);
4099 group_construct_stats(group
);
4100 ovs_mutex_unlock(&group
->stats_mutex
);
4105 group_destruct(struct ofgroup
*group_
)
4107 struct group_dpif
*group
= group_dpif_cast(group_
);
4108 ovs_mutex_destroy(&group
->stats_mutex
);
4112 group_modify(struct ofgroup
*group_
)
4114 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(group_
->ofproto
);
4116 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
4122 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4124 struct group_dpif
*group
= group_dpif_cast(group_
);
4125 struct ofputil_bucket
*bucket
;
4126 const struct ovs_list
*buckets
;
4127 struct bucket_counter
*bucket_stats
;
4129 ovs_mutex_lock(&group
->stats_mutex
);
4130 ogs
->packet_count
= group
->packet_count
;
4131 ogs
->byte_count
= group
->byte_count
;
4133 group_dpif_get_buckets(group
, &buckets
);
4134 bucket_stats
= ogs
->bucket_stats
;
4135 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4136 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4137 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4140 ovs_mutex_unlock(&group
->stats_mutex
);
4145 /* If the group exists, this function increments the groups's reference count.
4147 * Make sure to call group_dpif_unref() after no longer needing to maintain
4148 * a reference to the group. */
4150 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4151 struct group_dpif
**group
)
4153 struct ofgroup
*ofgroup
;
4156 found
= ofproto_group_lookup(&ofproto
->up
, group_id
, &ofgroup
);
4157 *group
= found
? group_dpif_cast(ofgroup
) : NULL
;
4163 group_dpif_get_buckets(const struct group_dpif
*group
,
4164 const struct ovs_list
**buckets
)
4166 *buckets
= &group
->up
.buckets
;
4169 enum ofp11_group_type
4170 group_dpif_get_type(const struct group_dpif
*group
)
4172 return group
->up
.type
;
4175 /* Sends 'packet' out 'ofport'.
4176 * May modify 'packet'.
4177 * Returns 0 if successful, otherwise a positive errno value. */
4179 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, struct ofpbuf
*packet
)
4181 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4184 error
= xlate_send_packet(ofport
, packet
);
4186 ovs_mutex_lock(&ofproto
->stats_mutex
);
4187 ofproto
->stats
.tx_packets
++;
4188 ofproto
->stats
.tx_bytes
+= ofpbuf_size(packet
);
4189 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4193 /* Return the version string of the datapath that backs up
4197 get_datapath_version(const struct ofproto
*ofproto_
)
4199 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4201 return ofproto
->backer
->dp_version_string
;
4205 set_frag_handling(struct ofproto
*ofproto_
,
4206 enum ofp_config_flags frag_handling
)
4208 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4209 if (frag_handling
!= OFPC_FRAG_REASM
) {
4210 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4218 packet_out(struct ofproto
*ofproto_
, struct ofpbuf
*packet
,
4219 const struct flow
*flow
,
4220 const struct ofpact
*ofpacts
, size_t ofpacts_len
)
4222 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4224 ofproto_dpif_execute_actions(ofproto
, flow
, NULL
, ofpacts
,
4225 ofpacts_len
, packet
);
4232 set_netflow(struct ofproto
*ofproto_
,
4233 const struct netflow_options
*netflow_options
)
4235 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4237 if (netflow_options
) {
4238 if (!ofproto
->netflow
) {
4239 ofproto
->netflow
= netflow_create();
4240 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4242 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4243 } else if (ofproto
->netflow
) {
4244 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4245 netflow_unref(ofproto
->netflow
);
4246 ofproto
->netflow
= NULL
;
4253 get_netflow_ids(const struct ofproto
*ofproto_
,
4254 uint8_t *engine_type
, uint8_t *engine_id
)
4256 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4258 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4261 static struct ofproto_dpif
*
4262 ofproto_dpif_lookup(const char *name
)
4264 struct ofproto_dpif
*ofproto
;
4266 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
4267 hash_string(name
, 0), &all_ofproto_dpifs
) {
4268 if (!strcmp(ofproto
->up
.name
, name
)) {
4276 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4277 const char *argv
[], void *aux OVS_UNUSED
)
4279 struct ofproto_dpif
*ofproto
;
4282 ofproto
= ofproto_dpif_lookup(argv
[1]);
4284 unixctl_command_reply_error(conn
, "no such bridge");
4287 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4288 mac_learning_flush(ofproto
->ml
);
4289 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4291 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4292 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4293 mac_learning_flush(ofproto
->ml
);
4294 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4298 unixctl_command_reply(conn
, "table successfully flushed");
4302 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4303 const char *argv
[], void *aux OVS_UNUSED
)
4305 struct ofproto_dpif
*ofproto
;
4308 ofproto
= ofproto_dpif_lookup(argv
[1]);
4310 unixctl_command_reply_error(conn
, "no such bridge");
4314 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4315 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4318 mcast_snooping_mdb_flush(ofproto
->ms
);
4320 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4321 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4324 mcast_snooping_mdb_flush(ofproto
->ms
);
4328 unixctl_command_reply(conn
, "table successfully flushed");
4331 static struct ofport_dpif
*
4332 ofbundle_get_a_port(const struct ofbundle
*bundle
)
4334 return CONTAINER_OF(list_front(&bundle
->ports
), struct ofport_dpif
,
4339 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4340 const char *argv
[], void *aux OVS_UNUSED
)
4342 struct ds ds
= DS_EMPTY_INITIALIZER
;
4343 const struct ofproto_dpif
*ofproto
;
4344 const struct mac_entry
*e
;
4346 ofproto
= ofproto_dpif_lookup(argv
[1]);
4348 unixctl_command_reply_error(conn
, "no such bridge");
4352 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
4353 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
4354 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
4355 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
4356 char name
[OFP_MAX_PORT_NAME_LEN
];
4358 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4360 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
4361 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
4362 mac_entry_age(ofproto
->ml
, e
));
4364 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4365 unixctl_command_reply(conn
, ds_cstr(&ds
));
4370 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
4371 int argc OVS_UNUSED
,
4373 void *aux OVS_UNUSED
)
4375 struct ds ds
= DS_EMPTY_INITIALIZER
;
4376 const struct ofproto_dpif
*ofproto
;
4377 const struct ofbundle
*bundle
;
4378 const struct mcast_group
*grp
;
4379 struct mcast_group_bundle
*b
;
4380 struct mcast_mrouter_bundle
*mrouter
;
4382 ofproto
= ofproto_dpif_lookup(argv
[1]);
4384 unixctl_command_reply_error(conn
, "no such bridge");
4388 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4389 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4393 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
4394 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
4395 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
4396 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
4397 char name
[OFP_MAX_PORT_NAME_LEN
];
4400 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4402 ds_put_format(&ds
, "%5s %4d "IP_FMT
" %3d\n",
4403 name
, grp
->vlan
, IP_ARGS(grp
->ip4
),
4404 mcast_bundle_age(ofproto
->ms
, b
));
4408 /* ports connected to multicast routers */
4409 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
4410 char name
[OFP_MAX_PORT_NAME_LEN
];
4412 bundle
= mrouter
->port
;
4413 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4415 ds_put_format(&ds
, "%5s %4d querier %3d\n",
4416 name
, mrouter
->vlan
,
4417 mcast_mrouter_age(ofproto
->ms
, mrouter
));
4419 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
4420 unixctl_command_reply(conn
, ds_cstr(&ds
));
4425 struct xlate_out xout
;
4426 struct xlate_in xin
;
4427 const struct flow
*key
;
4429 struct flow_wildcards wc
;
4434 trace_format_rule(struct ds
*result
, int level
, const struct rule_dpif
*rule
)
4436 const struct rule_actions
*actions
;
4439 ds_put_char_multiple(result
, '\t', level
);
4441 ds_put_cstr(result
, "No match\n");
4445 ovs_mutex_lock(&rule
->up
.mutex
);
4446 cookie
= rule
->up
.flow_cookie
;
4447 ovs_mutex_unlock(&rule
->up
.mutex
);
4449 ds_put_format(result
, "Rule: table=%"PRIu8
" cookie=%#"PRIx64
" ",
4450 rule
? rule
->up
.table_id
: 0, ntohll(cookie
));
4451 cls_rule_format(&rule
->up
.cr
, result
);
4452 ds_put_char(result
, '\n');
4454 actions
= rule_dpif_get_actions(rule
);
4456 ds_put_char_multiple(result
, '\t', level
);
4457 ds_put_cstr(result
, "OpenFlow actions=");
4458 ofpacts_format(actions
->ofpacts
, actions
->ofpacts_len
, result
);
4459 ds_put_char(result
, '\n');
4463 trace_format_flow(struct ds
*result
, int level
, const char *title
,
4464 struct trace_ctx
*trace
)
4466 ds_put_char_multiple(result
, '\t', level
);
4467 ds_put_format(result
, "%s: ", title
);
4468 /* Do not report unchanged flows for resubmits. */
4469 if ((level
> 0 && flow_equal(&trace
->xin
.flow
, &trace
->flow
))
4470 || (level
== 0 && flow_equal(&trace
->xin
.flow
, trace
->key
))) {
4471 ds_put_cstr(result
, "unchanged");
4473 flow_format(result
, &trace
->xin
.flow
);
4474 trace
->flow
= trace
->xin
.flow
;
4476 ds_put_char(result
, '\n');
4480 trace_format_regs(struct ds
*result
, int level
, const char *title
,
4481 struct trace_ctx
*trace
)
4485 ds_put_char_multiple(result
, '\t', level
);
4486 ds_put_format(result
, "%s:", title
);
4487 for (i
= 0; i
< FLOW_N_REGS
; i
++) {
4488 ds_put_format(result
, " reg%"PRIuSIZE
"=0x%"PRIx32
, i
, trace
->flow
.regs
[i
]);
4490 ds_put_char(result
, '\n');
4494 trace_format_odp(struct ds
*result
, int level
, const char *title
,
4495 struct trace_ctx
*trace
)
4497 struct ofpbuf
*odp_actions
= trace
->xout
.odp_actions
;
4499 ds_put_char_multiple(result
, '\t', level
);
4500 ds_put_format(result
, "%s: ", title
);
4501 format_odp_actions(result
, ofpbuf_data(odp_actions
),
4502 ofpbuf_size(odp_actions
));
4503 ds_put_char(result
, '\n');
4507 trace_format_megaflow(struct ds
*result
, int level
, const char *title
,
4508 struct trace_ctx
*trace
)
4512 ds_put_char_multiple(result
, '\t', level
);
4513 ds_put_format(result
, "%s: ", title
);
4514 flow_wildcards_or(&trace
->wc
, &trace
->xout
.wc
, &trace
->wc
);
4515 match_init(&match
, trace
->key
, &trace
->wc
);
4516 match_format(&match
, result
, OFP_DEFAULT_PRIORITY
);
4517 ds_put_char(result
, '\n');
4520 static void trace_report(struct xlate_in
*xin
, const char *s
, int recurse
);
4523 trace_resubmit(struct xlate_in
*xin
, struct rule_dpif
*rule
, int recurse
)
4525 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4526 struct ds
*result
= trace
->result
;
4529 if (rule
== xin
->ofproto
->miss_rule
) {
4530 trace_report(xin
, "No match, flow generates \"packet in\"s.",
4532 } else if (rule
== xin
->ofproto
->no_packet_in_rule
) {
4533 trace_report(xin
, "No match, packets dropped because "
4534 "OFPPC_NO_PACKET_IN is set on in_port.", recurse
);
4535 } else if (rule
== xin
->ofproto
->drop_frags_rule
) {
4536 trace_report(xin
, "Packets dropped because they are IP "
4537 "fragments and the fragment handling mode is "
4538 "\"drop\".", recurse
);
4542 ds_put_char(result
, '\n');
4544 trace_format_flow(result
, recurse
, "Resubmitted flow", trace
);
4545 trace_format_regs(result
, recurse
, "Resubmitted regs", trace
);
4546 trace_format_odp(result
, recurse
, "Resubmitted odp", trace
);
4547 trace_format_megaflow(result
, recurse
, "Resubmitted megaflow", trace
);
4549 trace_format_rule(result
, recurse
, rule
);
4553 trace_report(struct xlate_in
*xin
, const char *s
, int recurse
)
4555 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4556 struct ds
*result
= trace
->result
;
4558 ds_put_char_multiple(result
, '\t', recurse
);
4559 ds_put_cstr(result
, s
);
4560 ds_put_char(result
, '\n');
4563 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4564 * forms are supported:
4566 * - [dpname] odp_flow [-generate | packet]
4567 * - bridge br_flow [-generate | packet]
4569 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4570 * returns a nonnull malloced error message. */
4571 static char * OVS_WARN_UNUSED_RESULT
4572 parse_flow_and_packet(int argc
, const char *argv
[],
4573 struct ofproto_dpif
**ofprotop
, struct flow
*flow
,
4574 struct ofpbuf
**packetp
)
4576 const struct dpif_backer
*backer
= NULL
;
4577 const char *error
= NULL
;
4579 struct simap port_names
= SIMAP_INITIALIZER(&port_names
);
4580 struct ofpbuf
*packet
;
4581 struct ofpbuf odp_key
;
4582 struct ofpbuf odp_mask
;
4584 ofpbuf_init(&odp_key
, 0);
4585 ofpbuf_init(&odp_mask
, 0);
4587 /* Handle "-generate" or a hex string as the last argument. */
4588 if (!strcmp(argv
[argc
- 1], "-generate")) {
4589 packet
= ofpbuf_new(0);
4592 error
= eth_from_hex(argv
[argc
- 1], &packet
);
4595 } else if (argc
== 4) {
4596 /* The 3-argument form must end in "-generate' or a hex string. */
4602 /* odp_flow can have its in_port specified as a name instead of port no.
4603 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4604 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4605 * we need to create a simap of name to port no. */
4607 const char *dp_type
;
4608 if (!strncmp(argv
[1], "ovs-", 4)) {
4609 dp_type
= argv
[1] + 4;
4613 backer
= shash_find_data(&all_dpif_backers
, dp_type
);
4614 } else if (argc
== 2) {
4615 struct shash_node
*node
;
4616 if (shash_count(&all_dpif_backers
) == 1) {
4617 node
= shash_first(&all_dpif_backers
);
4618 backer
= node
->data
;
4621 error
= "Syntax error";
4624 if (backer
&& backer
->dpif
) {
4625 struct dpif_port dpif_port
;
4626 struct dpif_port_dump port_dump
;
4627 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, backer
->dpif
) {
4628 simap_put(&port_names
, dpif_port
.name
,
4629 odp_to_u32(dpif_port
.port_no
));
4633 /* Parse the flow and determine whether a datapath or
4634 * bridge is specified. If function odp_flow_key_from_string()
4635 * returns 0, the flow is a odp_flow. If function
4636 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4637 if (!odp_flow_from_string(argv
[argc
- 1], &port_names
,
4638 &odp_key
, &odp_mask
)) {
4640 error
= "Cannot find the datapath";
4644 if (odp_flow_key_to_flow(ofpbuf_data(&odp_key
), ofpbuf_size(&odp_key
),
4645 flow
) == ODP_FIT_ERROR
) {
4646 error
= "Failed to parse flow key";
4650 *ofprotop
= xlate_lookup_ofproto(backer
, flow
,
4651 &flow
->in_port
.ofp_port
);
4652 if (*ofprotop
== NULL
) {
4653 error
= "Invalid datapath flow";
4657 vsp_adjust_flow(*ofprotop
, flow
, NULL
);
4660 char *err
= parse_ofp_exact_flow(flow
, NULL
, argv
[argc
- 1], NULL
);
4663 m_err
= xasprintf("Bad flow syntax: %s", err
);
4668 error
= "Must specify bridge name";
4672 *ofprotop
= ofproto_dpif_lookup(argv
[1]);
4674 error
= "Unknown bridge name";
4680 /* Generate a packet, if requested. */
4682 if (!ofpbuf_size(packet
)) {
4683 flow_compose(packet
, flow
);
4685 struct pkt_metadata md
= pkt_metadata_from_flow(flow
);
4687 /* Use the metadata from the flow and the packet argument
4688 * to reconstruct the flow. */
4689 flow_extract(packet
, &md
, flow
);
4694 if (error
&& !m_err
) {
4695 m_err
= xstrdup(error
);
4698 ofpbuf_delete(packet
);
4702 ofpbuf_uninit(&odp_key
);
4703 ofpbuf_uninit(&odp_mask
);
4704 simap_destroy(&port_names
);
4709 ofproto_unixctl_trace(struct unixctl_conn
*conn
, int argc
, const char *argv
[],
4710 void *aux OVS_UNUSED
)
4712 struct ofproto_dpif
*ofproto
;
4713 struct ofpbuf
*packet
;
4717 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4722 ofproto_trace(ofproto
, &flow
, packet
, NULL
, 0, &result
);
4723 unixctl_command_reply(conn
, ds_cstr(&result
));
4724 ds_destroy(&result
);
4725 ofpbuf_delete(packet
);
4727 unixctl_command_reply_error(conn
, error
);
4733 ofproto_unixctl_trace_actions(struct unixctl_conn
*conn
, int argc
,
4734 const char *argv
[], void *aux OVS_UNUSED
)
4736 enum ofputil_protocol usable_protocols
;
4737 struct ofproto_dpif
*ofproto
;
4738 bool enforce_consistency
;
4739 struct ofpbuf ofpacts
;
4740 struct ofpbuf
*packet
;
4745 /* Three kinds of error return values! */
4751 ofpbuf_init(&ofpacts
, 0);
4753 /* Parse actions. */
4754 error
= ofpacts_parse_actions(argv
[--argc
], &ofpacts
, &usable_protocols
);
4756 unixctl_command_reply_error(conn
, error
);
4761 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4762 * consistency between the flow and the actions. With -consistent, we
4763 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4764 if (!strcmp(argv
[1], "-consistent")) {
4765 enforce_consistency
= true;
4769 enforce_consistency
= false;
4772 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4774 unixctl_command_reply_error(conn
, error
);
4779 /* Do the same checks as handle_packet_out() in ofproto.c.
4781 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4782 * strictly correct because these actions aren't in any table, but it's OK
4783 * because it 'table_id' is used only to check goto_table instructions, but
4784 * packet-outs take a list of actions and therefore it can't include
4787 * We skip the "meter" check here because meter is an instruction, not an
4788 * action, and thus cannot appear in ofpacts. */
4789 in_port
= ofp_to_u16(flow
.in_port
.ofp_port
);
4790 if (in_port
>= ofproto
->up
.max_ports
&& in_port
< ofp_to_u16(OFPP_MAX
)) {
4791 unixctl_command_reply_error(conn
, "invalid in_port");
4794 if (enforce_consistency
) {
4795 retval
= ofpacts_check_consistency(ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
),
4796 &flow
, u16_to_ofp(ofproto
->up
.max_ports
),
4797 0, 0, usable_protocols
);
4799 retval
= ofpacts_check(ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
), &flow
,
4800 u16_to_ofp(ofproto
->up
.max_ports
), 0, 0,
4806 ds_put_format(&result
, "Bad actions: %s", ofperr_to_string(retval
));
4807 unixctl_command_reply_error(conn
, ds_cstr(&result
));
4811 ofproto_trace(ofproto
, &flow
, packet
,
4812 ofpbuf_data(&ofpacts
), ofpbuf_size(&ofpacts
), &result
);
4813 unixctl_command_reply(conn
, ds_cstr(&result
));
4816 ds_destroy(&result
);
4817 ofpbuf_delete(packet
);
4818 ofpbuf_uninit(&ofpacts
);
4821 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4822 * description of the results to 'ds'.
4824 * The trace follows a packet with the specified 'flow' through the flow
4825 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4826 * side effects (if it is nonnull then its flow must be 'flow').
4828 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4829 * trace, otherwise the actions are determined by a flow table lookup. */
4831 ofproto_trace(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
4832 const struct ofpbuf
*packet
,
4833 const struct ofpact ofpacts
[], size_t ofpacts_len
,
4836 struct trace_ctx trace
;
4838 ds_put_format(ds
, "Bridge: %s\n", ofproto
->up
.name
);
4839 ds_put_cstr(ds
, "Flow: ");
4840 flow_format(ds
, flow
);
4841 ds_put_char(ds
, '\n');
4843 flow_wildcards_init_catchall(&trace
.wc
);
4846 trace
.key
= flow
; /* Original flow key, used for megaflow. */
4847 trace
.flow
= *flow
; /* May be modified by actions. */
4848 xlate_in_init(&trace
.xin
, ofproto
, flow
, flow
->in_port
.ofp_port
, NULL
,
4849 ntohs(flow
->tcp_flags
), packet
);
4850 trace
.xin
.ofpacts
= ofpacts
;
4851 trace
.xin
.ofpacts_len
= ofpacts_len
;
4852 trace
.xin
.resubmit_hook
= trace_resubmit
;
4853 trace
.xin
.report_hook
= trace_report
;
4855 xlate_actions(&trace
.xin
, &trace
.xout
);
4857 ds_put_char(ds
, '\n');
4858 trace_format_flow(ds
, 0, "Final flow", &trace
);
4859 trace_format_megaflow(ds
, 0, "Megaflow", &trace
);
4861 ds_put_cstr(ds
, "Datapath actions: ");
4862 format_odp_actions(ds
, ofpbuf_data(trace
.xout
.odp_actions
),
4863 ofpbuf_size(trace
.xout
.odp_actions
));
4865 if (trace
.xout
.slow
) {
4866 enum slow_path_reason slow
;
4868 ds_put_cstr(ds
, "\nThis flow is handled by the userspace "
4869 "slow path because it:");
4871 slow
= trace
.xout
.slow
;
4873 enum slow_path_reason bit
= rightmost_1bit(slow
);
4875 ds_put_format(ds
, "\n\t- %s.",
4876 slow_path_reason_to_explanation(bit
));
4882 xlate_out_uninit(&trace
.xout
);
4885 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4886 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4887 * to destroy 'ofproto_shash' and free the returned value. */
4888 static const struct shash_node
**
4889 get_ofprotos(struct shash
*ofproto_shash
)
4891 const struct ofproto_dpif
*ofproto
;
4893 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4894 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
4895 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
4898 return shash_sort(ofproto_shash
);
4902 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4903 const char *argv
[] OVS_UNUSED
,
4904 void *aux OVS_UNUSED
)
4906 struct ds ds
= DS_EMPTY_INITIALIZER
;
4907 struct shash ofproto_shash
;
4908 const struct shash_node
**sorted_ofprotos
;
4911 shash_init(&ofproto_shash
);
4912 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
4913 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4914 const struct shash_node
*node
= sorted_ofprotos
[i
];
4915 ds_put_format(&ds
, "%s\n", node
->name
);
4918 shash_destroy(&ofproto_shash
);
4919 free(sorted_ofprotos
);
4921 unixctl_command_reply(conn
, ds_cstr(&ds
));
4926 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
4928 const struct shash_node
**ofprotos
;
4929 struct dpif_dp_stats dp_stats
;
4930 struct shash ofproto_shash
;
4933 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
4935 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
4936 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
4938 shash_init(&ofproto_shash
);
4939 ofprotos
= get_ofprotos(&ofproto_shash
);
4940 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4941 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
4942 const struct shash_node
**ports
;
4945 if (ofproto
->backer
!= backer
) {
4949 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
4951 ports
= shash_sort(&ofproto
->up
.port_by_name
);
4952 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
4953 const struct shash_node
*node
= ports
[j
];
4954 struct ofport
*ofport
= node
->data
;
4956 odp_port_t odp_port
;
4958 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
4961 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
4962 if (odp_port
!= ODPP_NONE
) {
4963 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
4965 ds_put_cstr(ds
, "none:");
4968 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
4971 if (!netdev_get_config(ofport
->netdev
, &config
)) {
4972 const struct smap_node
**nodes
;
4975 nodes
= smap_sort(&config
);
4976 for (i
= 0; i
< smap_count(&config
); i
++) {
4977 const struct smap_node
*node
= nodes
[i
];
4978 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
4979 node
->key
, node
->value
);
4983 smap_destroy(&config
);
4985 ds_put_char(ds
, ')');
4986 ds_put_char(ds
, '\n');
4990 shash_destroy(&ofproto_shash
);
4995 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4996 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
4998 struct ds ds
= DS_EMPTY_INITIALIZER
;
4999 const struct shash_node
**backers
;
5002 backers
= shash_sort(&all_dpif_backers
);
5003 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5004 dpif_show_backer(backers
[i
]->data
, &ds
);
5008 unixctl_command_reply(conn
, ds_cstr(&ds
));
5013 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
5014 int argc OVS_UNUSED
, const char *argv
[],
5015 void *aux OVS_UNUSED
)
5017 const struct ofproto_dpif
*ofproto
;
5019 struct ds ds
= DS_EMPTY_INITIALIZER
;
5020 bool verbosity
= false;
5022 struct dpif_port dpif_port
;
5023 struct dpif_port_dump port_dump
;
5024 struct hmap portno_names
;
5026 struct dpif_flow_dump
*flow_dump
;
5027 struct dpif_flow_dump_thread
*flow_dump_thread
;
5031 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
5033 unixctl_command_reply_error(conn
, "no such bridge");
5037 if (argc
> 2 && !strcmp(argv
[1], "-m")) {
5041 hmap_init(&portno_names
);
5042 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5043 odp_portno_names_set(&portno_names
, dpif_port
.port_no
, dpif_port
.name
);
5047 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false);
5048 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5049 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5052 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5053 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5058 odp_format_ufid(&f
.ufid
, &ds
);
5059 ds_put_cstr(&ds
, " ");
5061 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5062 &portno_names
, &ds
, verbosity
);
5063 ds_put_cstr(&ds
, ", ");
5064 dpif_flow_stats_format(&f
.stats
, &ds
);
5065 ds_put_cstr(&ds
, ", actions:");
5066 format_odp_actions(&ds
, f
.actions
, f
.actions_len
);
5067 ds_put_char(&ds
, '\n');
5069 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5070 error
= dpif_flow_dump_destroy(flow_dump
);
5074 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5075 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5077 unixctl_command_reply(conn
, ds_cstr(&ds
));
5079 odp_portno_names_destroy(&portno_names
);
5080 hmap_destroy(&portno_names
);
5085 ofproto_revalidate_all_backers(void)
5087 const struct shash_node
**backers
;
5090 backers
= shash_sort(&all_dpif_backers
);
5091 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5092 struct dpif_backer
*backer
= backers
[i
]->data
;
5093 backer
->need_revalidate
= REV_RECONFIGURE
;
5099 disable_tnl_push_pop(struct unixctl_conn
*conn OVS_UNUSED
, int argc OVS_UNUSED
,
5100 const char *argv
[], void *aux OVS_UNUSED
)
5102 if (!strcasecmp(argv
[1], "off")) {
5103 ofproto_use_tnl_push_pop
= false;
5104 unixctl_command_reply(conn
, "Tunnel push-pop off");
5105 ofproto_revalidate_all_backers();
5106 } else if (!strcasecmp(argv
[1], "on")) {
5107 ofproto_use_tnl_push_pop
= true;
5108 unixctl_command_reply(conn
, "Tunnel push-pop on");
5109 ofproto_revalidate_all_backers();
5114 ofproto_unixctl_init(void)
5116 static bool registered
;
5122 unixctl_command_register(
5124 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5125 1, 3, ofproto_unixctl_trace
, NULL
);
5126 unixctl_command_register(
5127 "ofproto/trace-packet-out",
5128 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5129 2, 6, ofproto_unixctl_trace_actions
, NULL
);
5130 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5131 ofproto_unixctl_fdb_flush
, NULL
);
5132 unixctl_command_register("fdb/show", "bridge", 1, 1,
5133 ofproto_unixctl_fdb_show
, NULL
);
5134 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5135 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5136 unixctl_command_register("mdb/show", "bridge", 1, 1,
5137 ofproto_unixctl_mcast_snooping_show
, NULL
);
5138 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5139 ofproto_unixctl_dpif_dump_dps
, NULL
);
5140 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5142 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5143 ofproto_unixctl_dpif_dump_flows
, NULL
);
5145 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5146 disable_tnl_push_pop
, NULL
);
5149 /* Returns true if 'table' is the table used for internal rules,
5150 * false otherwise. */
5152 table_is_internal(uint8_t table_id
)
5154 return table_id
== TBL_INTERNAL
;
5157 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5159 * This is deprecated. It is only for compatibility with broken device drivers
5160 * in old versions of Linux that do not properly support VLANs when VLAN
5161 * devices are not used. When broken device drivers are no longer in
5162 * widespread use, we will delete these interfaces. */
5165 set_realdev(struct ofport
*ofport_
, ofp_port_t realdev_ofp_port
, int vid
)
5167 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
5168 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
5170 if (realdev_ofp_port
== ofport
->realdev_ofp_port
5171 && vid
== ofport
->vlandev_vid
) {
5175 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
5177 if (ofport
->realdev_ofp_port
) {
5180 if (realdev_ofp_port
&& ofport
->bundle
) {
5181 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5182 * themselves be part of a bundle. */
5183 bundle_set(ofport_
->ofproto
, ofport
->bundle
, NULL
);
5186 ofport
->realdev_ofp_port
= realdev_ofp_port
;
5187 ofport
->vlandev_vid
= vid
;
5189 if (realdev_ofp_port
) {
5190 vsp_add(ofport
, realdev_ofp_port
, vid
);
5197 hash_realdev_vid(ofp_port_t realdev_ofp_port
, int vid
)
5199 return hash_2words(ofp_to_u16(realdev_ofp_port
), vid
);
5203 ofproto_has_vlan_splinters(const struct ofproto_dpif
*ofproto
)
5204 OVS_EXCLUDED(ofproto
->vsp_mutex
)
5206 /* hmap_is_empty is thread safe. */
5207 return !hmap_is_empty(&ofproto
->realdev_vid_map
);
5212 vsp_realdev_to_vlandev__(const struct ofproto_dpif
*ofproto
,
5213 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
5214 OVS_REQUIRES(ofproto
->vsp_mutex
)
5216 if (!hmap_is_empty(&ofproto
->realdev_vid_map
)) {
5217 int vid
= vlan_tci_to_vid(vlan_tci
);
5218 const struct vlan_splinter
*vsp
;
5220 HMAP_FOR_EACH_WITH_HASH (vsp
, realdev_vid_node
,
5221 hash_realdev_vid(realdev_ofp_port
, vid
),
5222 &ofproto
->realdev_vid_map
) {
5223 if (vsp
->realdev_ofp_port
== realdev_ofp_port
5224 && vsp
->vid
== vid
) {
5225 return vsp
->vlandev_ofp_port
;
5229 return realdev_ofp_port
;
5232 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5233 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5234 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5235 * 'vlan_tci' 9, it would return the port number of eth0.9.
5237 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5238 * function just returns its 'realdev_ofp_port' argument. */
5240 vsp_realdev_to_vlandev(const struct ofproto_dpif
*ofproto
,
5241 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
5242 OVS_EXCLUDED(ofproto
->vsp_mutex
)
5246 /* hmap_is_empty is thread safe, see if we can return immediately. */
5247 if (hmap_is_empty(&ofproto
->realdev_vid_map
)) {
5248 return realdev_ofp_port
;
5250 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5251 ret
= vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, vlan_tci
);
5252 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5256 static struct vlan_splinter
*
5257 vlandev_find(const struct ofproto_dpif
*ofproto
, ofp_port_t vlandev_ofp_port
)
5259 struct vlan_splinter
*vsp
;
5261 HMAP_FOR_EACH_WITH_HASH (vsp
, vlandev_node
,
5262 hash_ofp_port(vlandev_ofp_port
),
5263 &ofproto
->vlandev_map
) {
5264 if (vsp
->vlandev_ofp_port
== vlandev_ofp_port
) {
5272 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5273 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5274 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5275 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5276 * eth0 and store 9 in '*vid'.
5278 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5279 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5282 vsp_vlandev_to_realdev(const struct ofproto_dpif
*ofproto
,
5283 ofp_port_t vlandev_ofp_port
, int *vid
)
5284 OVS_REQUIRES(ofproto
->vsp_mutex
)
5286 if (!hmap_is_empty(&ofproto
->vlandev_map
)) {
5287 const struct vlan_splinter
*vsp
;
5289 vsp
= vlandev_find(ofproto
, vlandev_ofp_port
);
5294 return vsp
->realdev_ofp_port
;
5300 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5301 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5302 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5303 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5304 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5305 * case unless VLAN splinters are enabled), returns false without making any
5308 vsp_adjust_flow(const struct ofproto_dpif
*ofproto
, struct flow
*flow
,
5309 struct ofpbuf
*packet
)
5310 OVS_EXCLUDED(ofproto
->vsp_mutex
)
5315 /* hmap_is_empty is thread safe. */
5316 if (hmap_is_empty(&ofproto
->vlandev_map
)) {
5320 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5321 realdev
= vsp_vlandev_to_realdev(ofproto
, flow
->in_port
.ofp_port
, &vid
);
5322 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5327 /* Cause the flow to be processed as if it came in on the real device with
5328 * the VLAN device's VLAN ID. */
5329 flow
->in_port
.ofp_port
= realdev
;
5330 flow
->vlan_tci
= htons((vid
& VLAN_VID_MASK
) | VLAN_CFI
);
5333 /* Make the packet resemble the flow, so that it gets sent to an
5334 * OpenFlow controller properly, so that it looks correct for sFlow,
5335 * and so that flow_extract() will get the correct vlan_tci if it is
5336 * called on 'packet'. */
5337 eth_push_vlan(packet
, htons(ETH_TYPE_VLAN
), flow
->vlan_tci
);
5344 vsp_remove(struct ofport_dpif
*port
)
5346 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
5347 struct vlan_splinter
*vsp
;
5349 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5350 vsp
= vlandev_find(ofproto
, port
->up
.ofp_port
);
5352 hmap_remove(&ofproto
->vlandev_map
, &vsp
->vlandev_node
);
5353 hmap_remove(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
);
5356 port
->realdev_ofp_port
= 0;
5358 VLOG_ERR("missing vlan device record");
5360 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5364 vsp_add(struct ofport_dpif
*port
, ofp_port_t realdev_ofp_port
, int vid
)
5366 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
5368 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5369 if (!vsp_vlandev_to_realdev(ofproto
, port
->up
.ofp_port
, NULL
)
5370 && (vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, htons(vid
))
5371 == realdev_ofp_port
)) {
5372 struct vlan_splinter
*vsp
;
5374 vsp
= xmalloc(sizeof *vsp
);
5375 vsp
->realdev_ofp_port
= realdev_ofp_port
;
5376 vsp
->vlandev_ofp_port
= port
->up
.ofp_port
;
5379 port
->realdev_ofp_port
= realdev_ofp_port
;
5381 hmap_insert(&ofproto
->vlandev_map
, &vsp
->vlandev_node
,
5382 hash_ofp_port(port
->up
.ofp_port
));
5383 hmap_insert(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
,
5384 hash_realdev_vid(realdev_ofp_port
, vid
));
5386 VLOG_ERR("duplicate vlan device record");
5388 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5392 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5394 const struct ofport_dpif
*ofport
= get_ofp_port(ofproto
, ofp_port
);
5395 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5398 struct ofport_dpif
*
5399 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5401 struct ofport_dpif
*port
;
5403 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5404 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5405 &backer
->odp_to_ofport_map
) {
5406 if (port
->odp_port
== odp_port
) {
5407 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5412 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5417 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5419 struct ofport_dpif
*port
;
5421 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5422 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5423 return port
->up
.ofp_port
;
5429 struct ofproto_dpif
*
5430 ofproto_dpif_recirc_get_ofproto(const struct dpif_backer
*backer
,
5433 struct dpif_backer_recirc_node
*node
;
5435 node
= CONTAINER_OF(cmap_find(&backer
->recirc_map
, recirc_id
),
5436 struct dpif_backer_recirc_node
, cmap_node
);
5438 return node
? node
->ofproto
: NULL
;
5442 ofproto_dpif_alloc_recirc_id(struct ofproto_dpif
*ofproto
)
5444 struct dpif_backer
*backer
= ofproto
->backer
;
5445 uint32_t recirc_id
= recirc_id_alloc(backer
->rid_pool
);
5448 struct dpif_backer_recirc_node
*node
= xmalloc(sizeof *node
);
5450 node
->recirc_id
= recirc_id
;
5451 node
->ofproto
= ofproto
;
5453 ovs_mutex_lock(&backer
->recirc_mutex
);
5454 cmap_insert(&backer
->recirc_map
, &node
->cmap_node
, node
->recirc_id
);
5455 ovs_mutex_unlock(&backer
->recirc_mutex
);
5462 ofproto_dpif_free_recirc_id(struct ofproto_dpif
*ofproto
, uint32_t recirc_id
)
5464 struct dpif_backer
*backer
= ofproto
->backer
;
5465 struct dpif_backer_recirc_node
*node
;
5467 node
= CONTAINER_OF(cmap_find(&backer
->recirc_map
, recirc_id
),
5468 struct dpif_backer_recirc_node
, cmap_node
);
5470 ovs_mutex_lock(&backer
->recirc_mutex
);
5471 cmap_remove(&backer
->recirc_map
, &node
->cmap_node
, node
->recirc_id
);
5472 ovs_mutex_unlock(&backer
->recirc_mutex
);
5473 recirc_id_free(backer
->rid_pool
, node
->recirc_id
);
5475 /* 'recirc_id' should never be freed by non-owning 'ofproto'. */
5476 ovs_assert(node
->ofproto
== ofproto
);
5478 /* RCU postpone the free, since other threads may be referring
5479 * to 'node' at same time. */
5480 ovsrcu_postpone(free
, node
);
5485 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5486 const struct match
*match
, int priority
,
5487 uint16_t idle_timeout
,
5488 const struct ofpbuf
*ofpacts
,
5489 struct rule
**rulep
)
5491 struct ofputil_flow_mod fm
;
5492 struct rule_dpif
*rule
;
5496 fm
.priority
= priority
;
5497 fm
.new_cookie
= htonll(0);
5498 fm
.cookie
= htonll(0);
5499 fm
.cookie_mask
= htonll(0);
5500 fm
.modify_cookie
= false;
5501 fm
.table_id
= TBL_INTERNAL
;
5502 fm
.command
= OFPFC_ADD
;
5503 fm
.idle_timeout
= idle_timeout
;
5504 fm
.hard_timeout
= 0;
5508 fm
.flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
;
5509 fm
.ofpacts
= ofpbuf_data(ofpacts
);
5510 fm
.ofpacts_len
= ofpbuf_size(ofpacts
);
5512 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5514 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5515 ofperr_to_string(error
));
5520 rule
= rule_dpif_lookup_in_table(ofproto
, TBL_INTERNAL
, &fm
.match
.flow
,
5521 &fm
.match
.wc
, false);
5531 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5532 struct match
*match
, int priority
)
5534 struct ofputil_flow_mod fm
;
5538 fm
.priority
= priority
;
5539 fm
.new_cookie
= htonll(0);
5540 fm
.cookie
= htonll(0);
5541 fm
.cookie_mask
= htonll(0);
5542 fm
.modify_cookie
= false;
5543 fm
.table_id
= TBL_INTERNAL
;
5544 fm
.flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
;
5545 fm
.command
= OFPFC_DELETE_STRICT
;
5547 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5549 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5550 ofperr_to_string(error
));
5557 const struct ofproto_class ofproto_dpif_class
= {
5571 NULL
, /* get_memory_usage. */
5572 type_get_memory_usage
,
5590 port_is_lacp_current
,
5591 port_get_lacp_stats
,
5592 NULL
, /* rule_choose_table */
5601 NULL
, /* rule_premodify_actions */
5602 rule_modify_actions
,
5618 get_stp_port_status
,
5623 get_rstp_port_status
,
5630 is_mirror_output_bundle
,
5631 forward_bpdu_changed
,
5632 set_mac_table_config
,
5634 set_mcast_snooping_port
,
5636 NULL
, /* meter_get_features */
5637 NULL
, /* meter_set */
5638 NULL
, /* meter_get */
5639 NULL
, /* meter_del */
5640 group_alloc
, /* group_alloc */
5641 group_construct
, /* group_construct */
5642 group_destruct
, /* group_destruct */
5643 group_dealloc
, /* group_dealloc */
5644 group_modify
, /* group_modify */
5645 group_get_stats
, /* group_get_stats */
5646 get_datapath_version
, /* get_datapath_version */