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"
34 #include "dynamic-string.h"
35 #include "fail-open.h"
36 #include "guarded-list.h"
40 #include "mac-learning.h"
41 #include "mcast-snooping.h"
42 #include "meta-flow.h"
43 #include "multipath.h"
44 #include "netdev-vport.h"
49 #include "odp-execute.h"
52 #include "ofp-actions.h"
53 #include "ofp-parse.h"
54 #include "ofp-print.h"
55 #include "ofproto-dpif-ipfix.h"
56 #include "ofproto-dpif-mirror.h"
57 #include "ofproto-dpif-monitor.h"
58 #include "ofproto-dpif-rid.h"
59 #include "ofproto-dpif-sflow.h"
60 #include "ofproto-dpif-upcall.h"
61 #include "ofproto-dpif-xlate.h"
62 #include "poll-loop.h"
64 #include "ovs-router.h"
70 #include "unaligned.h"
72 #include "vlan-bitmap.h"
73 #include "openvswitch/vlog.h"
75 VLOG_DEFINE_THIS_MODULE(ofproto_dpif
);
77 COVERAGE_DEFINE(ofproto_dpif_expired
);
78 COVERAGE_DEFINE(packet_in_overflow
);
87 * - Do include packets and bytes from datapath flows which have not
88 * recently been processed by a revalidator. */
89 struct ovs_mutex stats_mutex
;
90 struct dpif_flow_stats stats OVS_GUARDED
;
92 /* If non-zero then the recirculation id that has
93 * been allocated for use with this rule.
94 * The recirculation id and associated internal flow should
95 * be freed when the rule is freed */
99 /* RULE_CAST() depends on this. */
100 BUILD_ASSERT_DECL(offsetof(struct rule_dpif
, up
) == 0);
102 static void rule_get_stats(struct rule
*, uint64_t *packets
, uint64_t *bytes
,
103 long long int *used
);
104 static struct rule_dpif
*rule_dpif_cast(const struct rule
*);
105 static void rule_expire(struct rule_dpif
*);
112 * - Do include packets and bytes from datapath flows which have not
113 * recently been processed by a revalidator. */
114 struct ovs_mutex stats_mutex
;
115 uint64_t packet_count OVS_GUARDED
; /* Number of packets received. */
116 uint64_t byte_count OVS_GUARDED
; /* Number of bytes received. */
120 struct hmap_node hmap_node
; /* In struct ofproto's "bundles" hmap. */
121 struct ofproto_dpif
*ofproto
; /* Owning ofproto. */
122 void *aux
; /* Key supplied by ofproto's client. */
123 char *name
; /* Identifier for log messages. */
126 struct ovs_list ports
; /* Contains "struct ofport"s. */
127 enum port_vlan_mode vlan_mode
; /* VLAN mode */
128 int vlan
; /* -1=trunk port, else a 12-bit VLAN ID. */
129 unsigned long *trunks
; /* Bitmap of trunked VLANs, if 'vlan' == -1.
130 * NULL if all VLANs are trunked. */
131 struct lacp
*lacp
; /* LACP if LACP is enabled, otherwise NULL. */
132 struct bond
*bond
; /* Nonnull iff more than one port. */
133 bool use_priority_tags
; /* Use 802.1p tag for frames in VLAN 0? */
136 bool floodable
; /* True if no port has OFPUTIL_PC_NO_FLOOD set. */
139 static void bundle_remove(struct ofport
*);
140 static void bundle_update(struct ofbundle
*);
141 static void bundle_destroy(struct ofbundle
*);
142 static void bundle_del_port(struct ofport_dpif
*);
143 static void bundle_run(struct ofbundle
*);
144 static void bundle_wait(struct ofbundle
*);
145 static void bundle_flush_macs(struct ofbundle
*, bool);
146 static void bundle_move(struct ofbundle
*, struct ofbundle
*);
148 static void stp_run(struct ofproto_dpif
*ofproto
);
149 static void stp_wait(struct ofproto_dpif
*ofproto
);
150 static int set_stp_port(struct ofport
*,
151 const struct ofproto_port_stp_settings
*);
153 static void rstp_run(struct ofproto_dpif
*ofproto
);
154 static void set_rstp_port(struct ofport
*,
155 const struct ofproto_port_rstp_settings
*);
158 struct hmap_node odp_port_node
; /* In dpif_backer's "odp_to_ofport_map". */
162 struct ofbundle
*bundle
; /* Bundle that contains this port, if any. */
163 struct ovs_list bundle_node
;/* In struct ofbundle's "ports" list. */
164 struct cfm
*cfm
; /* Connectivity Fault Management, if any. */
165 struct bfd
*bfd
; /* BFD, if any. */
166 struct lldp
*lldp
; /* lldp, if any. */
167 bool may_enable
; /* May be enabled in bonds. */
168 bool is_tunnel
; /* This port is a tunnel. */
169 bool is_layer3
; /* This is a layer 3 port. */
170 long long int carrier_seq
; /* Carrier status changes. */
171 struct ofport_dpif
*peer
; /* Peer if patch port. */
174 struct stp_port
*stp_port
; /* Spanning Tree Protocol, if any. */
175 enum stp_state stp_state
; /* Always STP_DISABLED if STP not in use. */
176 long long int stp_state_entered
;
178 /* Rapid Spanning Tree. */
179 struct rstp_port
*rstp_port
; /* Rapid Spanning Tree Protocol, if any. */
180 enum rstp_state rstp_state
; /* Always RSTP_DISABLED if RSTP not in use. */
182 /* Queue to DSCP mapping. */
183 struct ofproto_port_queue
*qdscp
;
186 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
188 * This is deprecated. It is only for compatibility with broken device
189 * drivers in old versions of Linux that do not properly support VLANs when
190 * VLAN devices are not used. When broken device drivers are no longer in
191 * widespread use, we will delete these interfaces. */
192 ofp_port_t realdev_ofp_port
;
196 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
198 * This is deprecated. It is only for compatibility with broken device drivers
199 * in old versions of Linux that do not properly support VLANs when VLAN
200 * devices are not used. When broken device drivers are no longer in
201 * widespread use, we will delete these interfaces. */
202 struct vlan_splinter
{
203 struct hmap_node realdev_vid_node
;
204 struct hmap_node vlandev_node
;
205 ofp_port_t realdev_ofp_port
;
206 ofp_port_t vlandev_ofp_port
;
210 static void vsp_remove(struct ofport_dpif
*);
211 static void vsp_add(struct ofport_dpif
*, ofp_port_t realdev_ofp_port
, int vid
);
213 static odp_port_t
ofp_port_to_odp_port(const struct ofproto_dpif
*,
216 static ofp_port_t
odp_port_to_ofp_port(const struct ofproto_dpif
*,
219 static struct ofport_dpif
*
220 ofport_dpif_cast(const struct ofport
*ofport
)
222 return ofport
? CONTAINER_OF(ofport
, struct ofport_dpif
, up
) : NULL
;
225 static void port_run(struct ofport_dpif
*);
226 static int set_bfd(struct ofport
*, const struct smap
*);
227 static int set_cfm(struct ofport
*, const struct cfm_settings
*);
228 static int set_lldp(struct ofport
*ofport_
, const struct smap
*cfg
);
229 static void ofport_update_peer(struct ofport_dpif
*);
231 /* Reasons that we might need to revalidate every datapath flow, and
232 * corresponding coverage counters.
234 * A value of 0 means that there is no need to revalidate.
236 * It would be nice to have some cleaner way to integrate with coverage
237 * counters, but with only a few reasons I guess this is good enough for
239 enum revalidate_reason
{
240 REV_RECONFIGURE
= 1, /* Switch configuration changed. */
241 REV_STP
, /* Spanning tree protocol port status change. */
242 REV_RSTP
, /* RSTP port status change. */
243 REV_BOND
, /* Bonding changed. */
244 REV_PORT_TOGGLED
, /* Port enabled or disabled by CFM, LACP, ...*/
245 REV_FLOW_TABLE
, /* Flow table changed. */
246 REV_MAC_LEARNING
, /* Mac learning changed. */
247 REV_MCAST_SNOOPING
, /* Multicast snooping changed. */
249 COVERAGE_DEFINE(rev_reconfigure
);
250 COVERAGE_DEFINE(rev_stp
);
251 COVERAGE_DEFINE(rev_rstp
);
252 COVERAGE_DEFINE(rev_bond
);
253 COVERAGE_DEFINE(rev_port_toggled
);
254 COVERAGE_DEFINE(rev_flow_table
);
255 COVERAGE_DEFINE(rev_mac_learning
);
256 COVERAGE_DEFINE(rev_mcast_snooping
);
258 /* All datapaths of a given type share a single dpif backer instance. */
265 struct ovs_rwlock odp_to_ofport_lock
;
266 struct hmap odp_to_ofport_map OVS_GUARDED
; /* Contains "struct ofport"s. */
268 struct simap tnl_backers
; /* Set of dpif ports backing tunnels. */
270 enum revalidate_reason need_revalidate
; /* Revalidate all flows. */
272 bool recv_set_enable
; /* Enables or disables receiving packets. */
274 /* Version string of the datapath stored in OVSDB. */
275 char *dp_version_string
;
277 /* Datapath feature support. */
278 struct dpif_backer_support support
;
279 struct atomic_count tnl_count
;
282 /* All existing ofproto_backer instances, indexed by ofproto->up.type. */
283 static struct shash all_dpif_backers
= SHASH_INITIALIZER(&all_dpif_backers
);
285 struct ofproto_dpif
{
286 struct hmap_node all_ofproto_dpifs_node
; /* In 'all_ofproto_dpifs'. */
288 struct dpif_backer
*backer
;
290 uint64_t dump_seq
; /* Last read of udpif_dump_seq(). */
292 /* Special OpenFlow rules. */
293 struct rule_dpif
*miss_rule
; /* Sends flow table misses to controller. */
294 struct rule_dpif
*no_packet_in_rule
; /* Drops flow table misses. */
295 struct rule_dpif
*drop_frags_rule
; /* Used in OFPC_FRAG_DROP mode. */
298 struct netflow
*netflow
;
299 struct dpif_sflow
*sflow
;
300 struct dpif_ipfix
*ipfix
;
301 struct hmap bundles
; /* Contains "struct ofbundle"s. */
302 struct mac_learning
*ml
;
303 struct mcast_snooping
*ms
;
304 bool has_bonded_bundles
;
306 struct mbridge
*mbridge
;
308 struct ovs_mutex stats_mutex
;
309 struct netdev_stats stats OVS_GUARDED
; /* To account packets generated and
310 * consumed in userspace. */
314 long long int stp_last_tick
;
316 /* Rapid Spanning Tree. */
318 long long int rstp_last_tick
;
320 /* VLAN splinters. */
321 struct ovs_mutex vsp_mutex
;
322 struct hmap realdev_vid_map OVS_GUARDED
; /* (realdev,vid) -> vlandev. */
323 struct hmap vlandev_map OVS_GUARDED
; /* vlandev -> (realdev,vid). */
326 struct sset ports
; /* Set of standard port names. */
327 struct sset ghost_ports
; /* Ports with no datapath port. */
328 struct sset port_poll_set
; /* Queued names for port_poll() reply. */
329 int port_poll_errno
; /* Last errno for port_poll() reply. */
330 uint64_t change_seq
; /* Connectivity status changes. */
333 struct guarded_list pins
; /* Contains "struct ofputil_packet_in"s. */
334 struct seq
*pins_seq
; /* For notifying 'pins' reception. */
338 /* All existing ofproto_dpif instances, indexed by ->up.name. */
339 static struct hmap all_ofproto_dpifs
= HMAP_INITIALIZER(&all_ofproto_dpifs
);
341 static bool ofproto_use_tnl_push_pop
= true;
342 static void ofproto_unixctl_init(void);
344 static inline struct ofproto_dpif
*
345 ofproto_dpif_cast(const struct ofproto
*ofproto
)
347 ovs_assert(ofproto
->ofproto_class
== &ofproto_dpif_class
);
348 return CONTAINER_OF(ofproto
, struct ofproto_dpif
, up
);
352 ofproto_dpif_get_max_mpls_depth(const struct ofproto_dpif
*ofproto
)
354 return ofproto
->backer
->support
.max_mpls_depth
;
358 ofproto_dpif_get_enable_recirc(const struct ofproto_dpif
*ofproto
)
360 return ofproto
->backer
->support
.recirc
;
364 ofproto_dpif_get_enable_ufid(struct dpif_backer
*backer
)
366 return backer
->support
.ufid
;
369 static void ofproto_trace(struct ofproto_dpif
*, struct flow
*,
370 const struct dp_packet
*packet
,
371 const struct ofpact
[], size_t ofpacts_len
,
374 /* Global variables. */
375 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
377 /* Initial mappings of port to bridge mappings. */
378 static struct shash init_ofp_ports
= SHASH_INITIALIZER(&init_ofp_ports
);
380 /* Executes 'fm'. The caller retains ownership of 'fm' and everything in
383 ofproto_dpif_flow_mod(struct ofproto_dpif
*ofproto
,
384 struct ofputil_flow_mod
*fm
)
386 ofproto_flow_mod(&ofproto
->up
, fm
);
389 /* Appends 'pin' to the queue of "packet ins" to be sent to the controller.
390 * Takes ownership of 'pin' and pin->packet. */
392 ofproto_dpif_send_packet_in(struct ofproto_dpif
*ofproto
,
393 struct ofproto_packet_in
*pin
)
395 if (!guarded_list_push_back(&ofproto
->pins
, &pin
->list_node
, 1024)) {
396 COVERAGE_INC(packet_in_overflow
);
397 free(CONST_CAST(void *, pin
->up
.packet
));
401 /* Wakes up main thread for packet-in I/O. */
402 seq_change(ofproto
->pins_seq
);
405 /* The default "table-miss" behaviour for OpenFlow1.3+ is to drop the
406 * packet rather than to send the packet to the controller.
408 * This function returns false to indicate that a packet_in message
409 * for a "table-miss" should be sent to at least one controller.
410 * False otherwise. */
412 ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif
*ofproto
)
414 return connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
);
417 /* Factory functions. */
420 init(const struct shash
*iface_hints
)
422 struct shash_node
*node
;
424 /* Make a local copy, since we don't own 'iface_hints' elements. */
425 SHASH_FOR_EACH(node
, iface_hints
) {
426 const struct iface_hint
*orig_hint
= node
->data
;
427 struct iface_hint
*new_hint
= xmalloc(sizeof *new_hint
);
429 new_hint
->br_name
= xstrdup(orig_hint
->br_name
);
430 new_hint
->br_type
= xstrdup(orig_hint
->br_type
);
431 new_hint
->ofp_port
= orig_hint
->ofp_port
;
433 shash_add(&init_ofp_ports
, node
->name
, new_hint
);
438 enumerate_types(struct sset
*types
)
440 dp_enumerate_types(types
);
444 enumerate_names(const char *type
, struct sset
*names
)
446 struct ofproto_dpif
*ofproto
;
449 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
450 if (strcmp(type
, ofproto
->up
.type
)) {
453 sset_add(names
, ofproto
->up
.name
);
460 del(const char *type
, const char *name
)
465 error
= dpif_open(name
, type
, &dpif
);
467 error
= dpif_delete(dpif
);
474 port_open_type(const char *datapath_type
, const char *port_type
)
476 return dpif_port_open_type(datapath_type
, port_type
);
479 /* Type functions. */
481 static void process_dpif_port_changes(struct dpif_backer
*);
482 static void process_dpif_all_ports_changed(struct dpif_backer
*);
483 static void process_dpif_port_change(struct dpif_backer
*,
484 const char *devname
);
485 static void process_dpif_port_error(struct dpif_backer
*, int error
);
487 static struct ofproto_dpif
*
488 lookup_ofproto_dpif_by_port_name(const char *name
)
490 struct ofproto_dpif
*ofproto
;
492 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
493 if (sset_contains(&ofproto
->ports
, name
)) {
502 type_run(const char *type
)
504 struct dpif_backer
*backer
;
506 backer
= shash_find_data(&all_dpif_backers
, type
);
508 /* This is not necessarily a problem, since backers are only
509 * created on demand. */
514 if (dpif_run(backer
->dpif
)) {
515 backer
->need_revalidate
= REV_RECONFIGURE
;
518 udpif_run(backer
->udpif
);
520 /* If vswitchd started with other_config:flow_restore_wait set as "true",
521 * and the configuration has now changed to "false", enable receiving
522 * packets from the datapath. */
523 if (!backer
->recv_set_enable
&& !ofproto_get_flow_restore_wait()) {
526 backer
->recv_set_enable
= true;
528 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
530 VLOG_ERR("Failed to enable receiving packets in dpif.");
533 dpif_flow_flush(backer
->dpif
);
534 backer
->need_revalidate
= REV_RECONFIGURE
;
537 if (backer
->recv_set_enable
) {
538 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
541 dpif_poll_threads_set(backer
->dpif
, n_dpdk_rxqs
, pmd_cpu_mask
);
543 if (backer
->need_revalidate
) {
544 struct ofproto_dpif
*ofproto
;
545 struct simap_node
*node
;
546 struct simap tmp_backers
;
548 /* Handle tunnel garbage collection. */
549 simap_init(&tmp_backers
);
550 simap_swap(&backer
->tnl_backers
, &tmp_backers
);
552 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
553 struct ofport_dpif
*iter
;
555 if (backer
!= ofproto
->backer
) {
559 HMAP_FOR_EACH (iter
, up
.hmap_node
, &ofproto
->up
.ports
) {
560 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
563 if (!iter
->is_tunnel
) {
567 dp_port
= netdev_vport_get_dpif_port(iter
->up
.netdev
,
568 namebuf
, sizeof namebuf
);
569 node
= simap_find(&tmp_backers
, dp_port
);
571 simap_put(&backer
->tnl_backers
, dp_port
, node
->data
);
572 simap_delete(&tmp_backers
, node
);
573 node
= simap_find(&backer
->tnl_backers
, dp_port
);
575 node
= simap_find(&backer
->tnl_backers
, dp_port
);
577 odp_port_t odp_port
= ODPP_NONE
;
579 if (!dpif_port_add(backer
->dpif
, iter
->up
.netdev
,
581 simap_put(&backer
->tnl_backers
, dp_port
,
582 odp_to_u32(odp_port
));
583 node
= simap_find(&backer
->tnl_backers
, dp_port
);
588 iter
->odp_port
= node
? u32_to_odp(node
->data
) : ODPP_NONE
;
589 if (tnl_port_reconfigure(iter
, iter
->up
.netdev
,
591 ovs_native_tunneling_is_on(ofproto
), dp_port
)) {
592 backer
->need_revalidate
= REV_RECONFIGURE
;
597 SIMAP_FOR_EACH (node
, &tmp_backers
) {
598 dpif_port_del(backer
->dpif
, u32_to_odp(node
->data
));
600 simap_destroy(&tmp_backers
);
602 switch (backer
->need_revalidate
) {
603 case REV_RECONFIGURE
: COVERAGE_INC(rev_reconfigure
); break;
604 case REV_STP
: COVERAGE_INC(rev_stp
); break;
605 case REV_RSTP
: COVERAGE_INC(rev_rstp
); break;
606 case REV_BOND
: COVERAGE_INC(rev_bond
); break;
607 case REV_PORT_TOGGLED
: COVERAGE_INC(rev_port_toggled
); break;
608 case REV_FLOW_TABLE
: COVERAGE_INC(rev_flow_table
); break;
609 case REV_MAC_LEARNING
: COVERAGE_INC(rev_mac_learning
); break;
610 case REV_MCAST_SNOOPING
: COVERAGE_INC(rev_mcast_snooping
); break;
612 backer
->need_revalidate
= 0;
614 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
615 struct ofport_dpif
*ofport
;
616 struct ofbundle
*bundle
;
618 if (ofproto
->backer
!= backer
) {
623 xlate_ofproto_set(ofproto
, ofproto
->up
.name
,
624 ofproto
->backer
->dpif
, ofproto
->ml
,
625 ofproto
->stp
, ofproto
->rstp
, ofproto
->ms
,
626 ofproto
->mbridge
, ofproto
->sflow
, ofproto
->ipfix
,
628 ofproto
->up
.forward_bpdu
,
629 connmgr_has_in_band(ofproto
->up
.connmgr
),
630 &ofproto
->backer
->support
);
632 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
633 xlate_bundle_set(ofproto
, bundle
, bundle
->name
,
634 bundle
->vlan_mode
, bundle
->vlan
,
635 bundle
->trunks
, bundle
->use_priority_tags
,
636 bundle
->bond
, bundle
->lacp
,
640 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
641 int stp_port
= ofport
->stp_port
642 ? stp_port_no(ofport
->stp_port
)
644 xlate_ofport_set(ofproto
, ofport
->bundle
, ofport
,
645 ofport
->up
.ofp_port
, ofport
->odp_port
,
646 ofport
->up
.netdev
, ofport
->cfm
, ofport
->bfd
,
647 ofport
->lldp
, ofport
->peer
, stp_port
,
648 ofport
->rstp_port
, ofport
->qdscp
,
649 ofport
->n_qdscp
, ofport
->up
.pp
.config
,
650 ofport
->up
.pp
.state
, ofport
->is_tunnel
,
656 udpif_revalidate(backer
->udpif
);
659 process_dpif_port_changes(backer
);
664 /* Check for and handle port changes in 'backer''s dpif. */
666 process_dpif_port_changes(struct dpif_backer
*backer
)
672 error
= dpif_port_poll(backer
->dpif
, &devname
);
678 process_dpif_all_ports_changed(backer
);
682 process_dpif_port_change(backer
, devname
);
687 process_dpif_port_error(backer
, error
);
694 process_dpif_all_ports_changed(struct dpif_backer
*backer
)
696 struct ofproto_dpif
*ofproto
;
697 struct dpif_port dpif_port
;
698 struct dpif_port_dump dump
;
699 struct sset devnames
;
702 sset_init(&devnames
);
703 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
704 if (ofproto
->backer
== backer
) {
705 struct ofport
*ofport
;
707 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
708 sset_add(&devnames
, netdev_get_name(ofport
->netdev
));
712 DPIF_PORT_FOR_EACH (&dpif_port
, &dump
, backer
->dpif
) {
713 sset_add(&devnames
, dpif_port
.name
);
716 SSET_FOR_EACH (devname
, &devnames
) {
717 process_dpif_port_change(backer
, devname
);
719 sset_destroy(&devnames
);
723 process_dpif_port_change(struct dpif_backer
*backer
, const char *devname
)
725 struct ofproto_dpif
*ofproto
;
726 struct dpif_port port
;
728 /* Don't report on the datapath's device. */
729 if (!strcmp(devname
, dpif_base_name(backer
->dpif
))) {
733 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
,
734 &all_ofproto_dpifs
) {
735 if (simap_contains(&ofproto
->backer
->tnl_backers
, devname
)) {
740 ofproto
= lookup_ofproto_dpif_by_port_name(devname
);
741 if (dpif_port_query_by_name(backer
->dpif
, devname
, &port
)) {
742 /* The port was removed. If we know the datapath,
743 * report it through poll_set(). If we don't, it may be
744 * notifying us of a removal we initiated, so ignore it.
745 * If there's a pending ENOBUFS, let it stand, since
746 * everything will be reevaluated. */
747 if (ofproto
&& ofproto
->port_poll_errno
!= ENOBUFS
) {
748 sset_add(&ofproto
->port_poll_set
, devname
);
749 ofproto
->port_poll_errno
= 0;
751 } else if (!ofproto
) {
752 /* The port was added, but we don't know with which
753 * ofproto we should associate it. Delete it. */
754 dpif_port_del(backer
->dpif
, port
.port_no
);
756 struct ofport_dpif
*ofport
;
758 ofport
= ofport_dpif_cast(shash_find_data(
759 &ofproto
->up
.port_by_name
, devname
));
761 && ofport
->odp_port
!= port
.port_no
762 && !odp_port_to_ofport(backer
, port
.port_no
))
764 /* 'ofport''s datapath port number has changed from
765 * 'ofport->odp_port' to 'port.port_no'. Update our internal data
766 * structures to match. */
767 ovs_rwlock_wrlock(&backer
->odp_to_ofport_lock
);
768 hmap_remove(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
);
769 ofport
->odp_port
= port
.port_no
;
770 hmap_insert(&backer
->odp_to_ofport_map
, &ofport
->odp_port_node
,
771 hash_odp_port(port
.port_no
));
772 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
773 backer
->need_revalidate
= REV_RECONFIGURE
;
776 dpif_port_destroy(&port
);
779 /* Propagate 'error' to all ofprotos based on 'backer'. */
781 process_dpif_port_error(struct dpif_backer
*backer
, int error
)
783 struct ofproto_dpif
*ofproto
;
785 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
786 if (ofproto
->backer
== backer
) {
787 sset_clear(&ofproto
->port_poll_set
);
788 ofproto
->port_poll_errno
= error
;
794 type_wait(const char *type
)
796 struct dpif_backer
*backer
;
798 backer
= shash_find_data(&all_dpif_backers
, type
);
800 /* This is not necessarily a problem, since backers are only
801 * created on demand. */
805 dpif_wait(backer
->dpif
);
808 /* Basic life-cycle. */
810 static int add_internal_flows(struct ofproto_dpif
*);
812 static struct ofproto
*
815 struct ofproto_dpif
*ofproto
= xzalloc(sizeof *ofproto
);
820 dealloc(struct ofproto
*ofproto_
)
822 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
827 close_dpif_backer(struct dpif_backer
*backer
)
829 ovs_assert(backer
->refcount
> 0);
831 if (--backer
->refcount
) {
835 udpif_destroy(backer
->udpif
);
837 simap_destroy(&backer
->tnl_backers
);
838 ovs_rwlock_destroy(&backer
->odp_to_ofport_lock
);
839 hmap_destroy(&backer
->odp_to_ofport_map
);
840 shash_find_and_delete(&all_dpif_backers
, backer
->type
);
842 free(backer
->dp_version_string
);
843 dpif_close(backer
->dpif
);
847 /* Datapath port slated for removal from datapath. */
849 struct ovs_list list_node
;
853 static bool check_variable_length_userdata(struct dpif_backer
*backer
);
854 static void check_support(struct dpif_backer
*backer
);
857 open_dpif_backer(const char *type
, struct dpif_backer
**backerp
)
859 struct dpif_backer
*backer
;
860 struct dpif_port_dump port_dump
;
861 struct dpif_port port
;
862 struct shash_node
*node
;
863 struct ovs_list garbage_list
;
864 struct odp_garbage
*garbage
;
873 backer
= shash_find_data(&all_dpif_backers
, type
);
880 backer_name
= xasprintf("ovs-%s", type
);
882 /* Remove any existing datapaths, since we assume we're the only
883 * userspace controlling the datapath. */
885 dp_enumerate_names(type
, &names
);
886 SSET_FOR_EACH(name
, &names
) {
887 struct dpif
*old_dpif
;
889 /* Don't remove our backer if it exists. */
890 if (!strcmp(name
, backer_name
)) {
894 if (dpif_open(name
, type
, &old_dpif
)) {
895 VLOG_WARN("couldn't open old datapath %s to remove it", name
);
897 dpif_delete(old_dpif
);
898 dpif_close(old_dpif
);
901 sset_destroy(&names
);
903 backer
= xmalloc(sizeof *backer
);
905 error
= dpif_create_and_open(backer_name
, type
, &backer
->dpif
);
908 VLOG_ERR("failed to open datapath of type %s: %s", type
,
909 ovs_strerror(error
));
913 backer
->udpif
= udpif_create(backer
, backer
->dpif
);
915 backer
->type
= xstrdup(type
);
916 backer
->refcount
= 1;
917 hmap_init(&backer
->odp_to_ofport_map
);
918 ovs_rwlock_init(&backer
->odp_to_ofport_lock
);
919 backer
->need_revalidate
= 0;
920 simap_init(&backer
->tnl_backers
);
921 backer
->recv_set_enable
= !ofproto_get_flow_restore_wait();
924 if (backer
->recv_set_enable
) {
925 dpif_flow_flush(backer
->dpif
);
928 /* Loop through the ports already on the datapath and remove any
929 * that we don't need anymore. */
930 list_init(&garbage_list
);
931 dpif_port_dump_start(&port_dump
, backer
->dpif
);
932 while (dpif_port_dump_next(&port_dump
, &port
)) {
933 node
= shash_find(&init_ofp_ports
, port
.name
);
934 if (!node
&& strcmp(port
.name
, dpif_base_name(backer
->dpif
))) {
935 garbage
= xmalloc(sizeof *garbage
);
936 garbage
->odp_port
= port
.port_no
;
937 list_push_front(&garbage_list
, &garbage
->list_node
);
940 dpif_port_dump_done(&port_dump
);
942 LIST_FOR_EACH_POP (garbage
, list_node
, &garbage_list
) {
943 dpif_port_del(backer
->dpif
, garbage
->odp_port
);
947 shash_add(&all_dpif_backers
, type
, backer
);
949 check_support(backer
);
950 atomic_count_init(&backer
->tnl_count
, 0);
952 error
= dpif_recv_set(backer
->dpif
, backer
->recv_set_enable
);
954 VLOG_ERR("failed to listen on datapath of type %s: %s",
955 type
, ovs_strerror(error
));
956 close_dpif_backer(backer
);
960 if (backer
->recv_set_enable
) {
961 udpif_set_threads(backer
->udpif
, n_handlers
, n_revalidators
);
964 /* This check fails if performed before udpif threads have been set,
965 * as the kernel module checks that the 'pid' in userspace action
967 backer
->support
.variable_length_userdata
968 = check_variable_length_userdata(backer
);
969 backer
->dp_version_string
= dpif_get_dp_version(backer
->dpif
);
975 ovs_native_tunneling_is_on(struct ofproto_dpif
*ofproto
)
977 return ofproto_use_tnl_push_pop
&& ofproto
->backer
->support
.tnl_push_pop
&&
978 atomic_count_get(&ofproto
->backer
->tnl_count
);
981 /* Tests whether 'backer''s datapath supports recirculation. Only newer
982 * datapaths support OVS_KEY_ATTR_RECIRC_ID in keys. We need to disable some
983 * features on older datapaths that don't support this feature.
985 * Returns false if 'backer' definitely does not support recirculation, true if
986 * it seems to support recirculation or if at least the error we get is
989 check_recirc(struct dpif_backer
*backer
)
992 struct odputil_keybuf keybuf
;
996 memset(&flow
, 0, sizeof flow
);
1000 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1001 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, true);
1002 enable_recirc
= dpif_probe_feature(backer
->dpif
, "recirculation", &key
,
1005 if (enable_recirc
) {
1006 VLOG_INFO("%s: Datapath supports recirculation",
1007 dpif_name(backer
->dpif
));
1009 VLOG_INFO("%s: Datapath does not support recirculation",
1010 dpif_name(backer
->dpif
));
1013 return enable_recirc
;
1016 /* Tests whether 'dpif' supports unique flow ids. We can skip serializing
1017 * some flow attributes for datapaths that support this feature.
1019 * Returns true if 'dpif' supports UFID for flow operations.
1020 * Returns false if 'dpif' does not support UFID. */
1022 check_ufid(struct dpif_backer
*backer
)
1025 struct odputil_keybuf keybuf
;
1030 memset(&flow
, 0, sizeof flow
);
1031 flow
.dl_type
= htons(0x1234);
1033 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1034 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, true);
1035 dpif_flow_hash(backer
->dpif
, key
.data
, key
.size
, &ufid
);
1037 enable_ufid
= dpif_probe_feature(backer
->dpif
, "UFID", &key
, &ufid
);
1040 VLOG_INFO("%s: Datapath supports unique flow ids",
1041 dpif_name(backer
->dpif
));
1043 VLOG_INFO("%s: Datapath does not support unique flow ids",
1044 dpif_name(backer
->dpif
));
1049 /* Tests whether 'backer''s datapath supports variable-length
1050 * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. We need
1051 * to disable some features on older datapaths that don't support this
1054 * Returns false if 'backer' definitely does not support variable-length
1055 * userdata, true if it seems to support them or if at least the error we get
1058 check_variable_length_userdata(struct dpif_backer
*backer
)
1060 struct eth_header
*eth
;
1061 struct ofpbuf actions
;
1062 struct dpif_execute execute
;
1063 struct dp_packet packet
;
1067 /* Compose a userspace action that will cause an ERANGE error on older
1068 * datapaths that don't support variable-length userdata.
1070 * We really test for using userdata longer than 8 bytes, but older
1071 * datapaths accepted these, silently truncating the userdata to 8 bytes.
1072 * The same older datapaths rejected userdata shorter than 8 bytes, so we
1073 * test for that instead as a proxy for longer userdata support. */
1074 ofpbuf_init(&actions
, 64);
1075 start
= nl_msg_start_nested(&actions
, OVS_ACTION_ATTR_USERSPACE
);
1076 nl_msg_put_u32(&actions
, OVS_USERSPACE_ATTR_PID
,
1077 dpif_port_get_pid(backer
->dpif
, ODPP_NONE
, 0));
1078 nl_msg_put_unspec_zero(&actions
, OVS_USERSPACE_ATTR_USERDATA
, 4);
1079 nl_msg_end_nested(&actions
, start
);
1081 /* Compose a dummy ethernet packet. */
1082 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1083 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1084 eth
->eth_type
= htons(0x1234);
1086 /* Execute the actions. On older datapaths this fails with ERANGE, on
1087 * newer datapaths it succeeds. */
1088 execute
.actions
= actions
.data
;
1089 execute
.actions_len
= actions
.size
;
1090 execute
.packet
= &packet
;
1091 execute
.needs_help
= false;
1092 execute
.probe
= true;
1094 error
= dpif_execute(backer
->dpif
, &execute
);
1096 dp_packet_uninit(&packet
);
1097 ofpbuf_uninit(&actions
);
1104 /* Variable-length userdata is not supported. */
1105 VLOG_WARN("%s: datapath does not support variable-length userdata "
1106 "feature (needs Linux 3.10+ or kernel module from OVS "
1107 "1..11+). The NXAST_SAMPLE action will be ignored.",
1108 dpif_name(backer
->dpif
));
1112 /* Something odd happened. We're not sure whether variable-length
1113 * userdata is supported. Default to "yes". */
1114 VLOG_WARN("%s: variable-length userdata feature probe failed (%s)",
1115 dpif_name(backer
->dpif
), ovs_strerror(error
));
1120 /* Tests the MPLS label stack depth supported by 'backer''s datapath.
1122 * Returns the number of elements in a struct flow's mpls_lse field
1123 * if the datapath supports at least that many entries in an
1125 * Otherwise returns the number of MPLS push actions supported by
1128 check_max_mpls_depth(struct dpif_backer
*backer
)
1133 for (n
= 0; n
< FLOW_MAX_MPLS_LABELS
; n
++) {
1134 struct odputil_keybuf keybuf
;
1137 memset(&flow
, 0, sizeof flow
);
1138 flow
.dl_type
= htons(ETH_TYPE_MPLS
);
1139 flow_set_mpls_bos(&flow
, n
, 1);
1141 ofpbuf_use_stack(&key
, &keybuf
, sizeof keybuf
);
1142 odp_flow_key_from_flow(&key
, &flow
, NULL
, 0, false);
1143 if (!dpif_probe_feature(backer
->dpif
, "MPLS", &key
, NULL
)) {
1148 VLOG_INFO("%s: MPLS label stack length probed as %d",
1149 dpif_name(backer
->dpif
), n
);
1153 /* Tests whether 'backer''s datapath supports masked data in
1154 * OVS_ACTION_ATTR_SET actions. We need to disable some features on older
1155 * datapaths that don't support this feature. */
1157 check_masked_set_action(struct dpif_backer
*backer
)
1159 struct eth_header
*eth
;
1160 struct ofpbuf actions
;
1161 struct dpif_execute execute
;
1162 struct dp_packet packet
;
1164 struct ovs_key_ethernet key
, mask
;
1166 /* Compose a set action that will cause an EINVAL error on older
1167 * datapaths that don't support masked set actions.
1168 * Avoid using a full mask, as it could be translated to a non-masked
1169 * set action instead. */
1170 ofpbuf_init(&actions
, 64);
1171 memset(&key
, 0x53, sizeof key
);
1172 memset(&mask
, 0x7f, sizeof mask
);
1173 commit_masked_set_action(&actions
, OVS_KEY_ATTR_ETHERNET
, &key
, &mask
,
1176 /* Compose a dummy ethernet packet. */
1177 dp_packet_init(&packet
, ETH_HEADER_LEN
);
1178 eth
= dp_packet_put_zeros(&packet
, ETH_HEADER_LEN
);
1179 eth
->eth_type
= htons(0x1234);
1181 /* Execute the actions. On older datapaths this fails with EINVAL, on
1182 * newer datapaths it succeeds. */
1183 execute
.actions
= actions
.data
;
1184 execute
.actions_len
= actions
.size
;
1185 execute
.packet
= &packet
;
1186 execute
.needs_help
= false;
1187 execute
.probe
= true;
1189 error
= dpif_execute(backer
->dpif
, &execute
);
1191 dp_packet_uninit(&packet
);
1192 ofpbuf_uninit(&actions
);
1195 /* Masked set action is not supported. */
1196 VLOG_INFO("%s: datapath does not support masked set action feature.",
1197 dpif_name(backer
->dpif
));
1203 check_support(struct dpif_backer
*backer
)
1205 /* This feature needs to be tested after udpif threads are set. */
1206 backer
->support
.variable_length_userdata
= false;
1208 backer
->support
.recirc
= check_recirc(backer
);
1209 backer
->support
.max_mpls_depth
= check_max_mpls_depth(backer
);
1210 backer
->support
.masked_set_action
= check_masked_set_action(backer
);
1211 backer
->support
.ufid
= check_ufid(backer
);
1212 backer
->support
.tnl_push_pop
= dpif_supports_tnl_push_pop(backer
->dpif
);
1216 construct(struct ofproto
*ofproto_
)
1218 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1219 struct shash_node
*node
, *next
;
1222 /* Tunnel module can get used right after the udpif threads are running. */
1223 ofproto_tunnel_init();
1225 error
= open_dpif_backer(ofproto
->up
.type
, &ofproto
->backer
);
1230 ofproto
->netflow
= NULL
;
1231 ofproto
->sflow
= NULL
;
1232 ofproto
->ipfix
= NULL
;
1233 ofproto
->stp
= NULL
;
1234 ofproto
->rstp
= NULL
;
1235 ofproto
->dump_seq
= 0;
1236 hmap_init(&ofproto
->bundles
);
1237 ofproto
->ml
= mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME
);
1239 ofproto
->mbridge
= mbridge_create();
1240 ofproto
->has_bonded_bundles
= false;
1241 ofproto
->lacp_enabled
= false;
1242 ovs_mutex_init_adaptive(&ofproto
->stats_mutex
);
1243 ovs_mutex_init(&ofproto
->vsp_mutex
);
1245 guarded_list_init(&ofproto
->pins
);
1247 ofproto_unixctl_init();
1249 hmap_init(&ofproto
->vlandev_map
);
1250 hmap_init(&ofproto
->realdev_vid_map
);
1252 sset_init(&ofproto
->ports
);
1253 sset_init(&ofproto
->ghost_ports
);
1254 sset_init(&ofproto
->port_poll_set
);
1255 ofproto
->port_poll_errno
= 0;
1256 ofproto
->change_seq
= 0;
1257 ofproto
->pins_seq
= seq_create();
1258 ofproto
->pins_seqno
= seq_read(ofproto
->pins_seq
);
1261 SHASH_FOR_EACH_SAFE (node
, next
, &init_ofp_ports
) {
1262 struct iface_hint
*iface_hint
= node
->data
;
1264 if (!strcmp(iface_hint
->br_name
, ofproto
->up
.name
)) {
1265 /* Check if the datapath already has this port. */
1266 if (dpif_port_exists(ofproto
->backer
->dpif
, node
->name
)) {
1267 sset_add(&ofproto
->ports
, node
->name
);
1270 free(iface_hint
->br_name
);
1271 free(iface_hint
->br_type
);
1273 shash_delete(&init_ofp_ports
, node
);
1277 hmap_insert(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
,
1278 hash_string(ofproto
->up
.name
, 0));
1279 memset(&ofproto
->stats
, 0, sizeof ofproto
->stats
);
1281 ofproto_init_tables(ofproto_
, N_TABLES
);
1282 error
= add_internal_flows(ofproto
);
1284 ofproto
->up
.tables
[TBL_INTERNAL
].flags
= OFTABLE_HIDDEN
| OFTABLE_READONLY
;
1290 add_internal_miss_flow(struct ofproto_dpif
*ofproto
, int id
,
1291 const struct ofpbuf
*ofpacts
, struct rule_dpif
**rulep
)
1297 match_init_catchall(&match
);
1298 match_set_reg(&match
, 0, id
);
1300 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 0, 0, ofpacts
,
1302 *rulep
= error
? NULL
: rule_dpif_cast(rule
);
1308 add_internal_flows(struct ofproto_dpif
*ofproto
)
1310 struct ofpact_controller
*controller
;
1311 uint64_t ofpacts_stub
[128 / 8];
1312 struct ofpbuf ofpacts
;
1313 struct rule
*unused_rulep OVS_UNUSED
;
1318 ofpbuf_use_stack(&ofpacts
, ofpacts_stub
, sizeof ofpacts_stub
);
1321 controller
= ofpact_put_CONTROLLER(&ofpacts
);
1322 controller
->max_len
= UINT16_MAX
;
1323 controller
->controller_id
= 0;
1324 controller
->reason
= OFPR_NO_MATCH
;
1325 ofpact_pad(&ofpacts
);
1327 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1328 &ofproto
->miss_rule
);
1333 ofpbuf_clear(&ofpacts
);
1334 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1335 &ofproto
->no_packet_in_rule
);
1340 error
= add_internal_miss_flow(ofproto
, id
++, &ofpacts
,
1341 &ofproto
->drop_frags_rule
);
1346 /* Drop any run away non-recirc rule lookups. Recirc_id has to be
1347 * zero when reaching this rule.
1349 * (priority=2), recirc_id=0, actions=drop
1351 ofpbuf_clear(&ofpacts
);
1352 match_init_catchall(&match
);
1353 match_set_recirc_id(&match
, 0);
1354 error
= ofproto_dpif_add_internal_flow(ofproto
, &match
, 2, 0, &ofpacts
,
1360 destruct(struct ofproto
*ofproto_
)
1362 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1363 struct ofproto_packet_in
*pin
;
1364 struct rule_dpif
*rule
;
1365 struct oftable
*table
;
1366 struct ovs_list pins
;
1368 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1370 xlate_remove_ofproto(ofproto
);
1373 /* Ensure that the upcall processing threads have no remaining references
1374 * to the ofproto or anything in it. */
1375 udpif_synchronize(ofproto
->backer
->udpif
);
1377 hmap_remove(&all_ofproto_dpifs
, &ofproto
->all_ofproto_dpifs_node
);
1379 OFPROTO_FOR_EACH_TABLE (table
, &ofproto
->up
) {
1380 CLS_FOR_EACH (rule
, up
.cr
, &table
->cls
) {
1381 ofproto_rule_delete(&ofproto
->up
, &rule
->up
);
1385 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1386 LIST_FOR_EACH_POP (pin
, list_node
, &pins
) {
1387 free(CONST_CAST(void *, pin
->up
.packet
));
1390 guarded_list_destroy(&ofproto
->pins
);
1392 recirc_free_ofproto(ofproto
, ofproto
->up
.name
);
1394 mbridge_unref(ofproto
->mbridge
);
1396 netflow_unref(ofproto
->netflow
);
1397 dpif_sflow_unref(ofproto
->sflow
);
1398 dpif_ipfix_unref(ofproto
->ipfix
);
1399 hmap_destroy(&ofproto
->bundles
);
1400 mac_learning_unref(ofproto
->ml
);
1401 mcast_snooping_unref(ofproto
->ms
);
1403 hmap_destroy(&ofproto
->vlandev_map
);
1404 hmap_destroy(&ofproto
->realdev_vid_map
);
1406 sset_destroy(&ofproto
->ports
);
1407 sset_destroy(&ofproto
->ghost_ports
);
1408 sset_destroy(&ofproto
->port_poll_set
);
1410 ovs_mutex_destroy(&ofproto
->stats_mutex
);
1411 ovs_mutex_destroy(&ofproto
->vsp_mutex
);
1413 seq_destroy(ofproto
->pins_seq
);
1415 close_dpif_backer(ofproto
->backer
);
1419 run(struct ofproto
*ofproto_
)
1421 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1422 uint64_t new_seq
, new_dump_seq
;
1424 if (mbridge_need_revalidate(ofproto
->mbridge
)) {
1425 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1426 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1427 mac_learning_flush(ofproto
->ml
);
1428 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1429 mcast_snooping_mdb_flush(ofproto
->ms
);
1432 /* Always updates the ofproto->pins_seqno to avoid frequent wakeup during
1433 * flow restore. Even though nothing is processed during flow restore,
1434 * all queued 'pins' will be handled immediately when flow restore
1436 ofproto
->pins_seqno
= seq_read(ofproto
->pins_seq
);
1438 /* Do not perform any periodic activity required by 'ofproto' while
1439 * waiting for flow restore to complete. */
1440 if (!ofproto_get_flow_restore_wait()) {
1441 struct ofproto_packet_in
*pin
;
1442 struct ovs_list pins
;
1444 guarded_list_pop_all(&ofproto
->pins
, &pins
);
1445 LIST_FOR_EACH_POP (pin
, list_node
, &pins
) {
1446 connmgr_send_packet_in(ofproto
->up
.connmgr
, pin
);
1447 free(CONST_CAST(void *, pin
->up
.packet
));
1452 if (ofproto
->netflow
) {
1453 netflow_run(ofproto
->netflow
);
1455 if (ofproto
->sflow
) {
1456 dpif_sflow_run(ofproto
->sflow
);
1458 if (ofproto
->ipfix
) {
1459 dpif_ipfix_run(ofproto
->ipfix
);
1462 new_seq
= seq_read(connectivity_seq_get());
1463 if (ofproto
->change_seq
!= new_seq
) {
1464 struct ofport_dpif
*ofport
;
1466 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1470 ofproto
->change_seq
= new_seq
;
1472 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1473 struct ofbundle
*bundle
;
1475 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1482 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
1483 if (mac_learning_run(ofproto
->ml
)) {
1484 ofproto
->backer
->need_revalidate
= REV_MAC_LEARNING
;
1486 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1488 if (mcast_snooping_run(ofproto
->ms
)) {
1489 ofproto
->backer
->need_revalidate
= REV_MCAST_SNOOPING
;
1492 new_dump_seq
= seq_read(udpif_dump_seq(ofproto
->backer
->udpif
));
1493 if (ofproto
->dump_seq
!= new_dump_seq
) {
1494 struct rule
*rule
, *next_rule
;
1496 /* We know stats are relatively fresh, so now is a good time to do some
1498 ofproto
->dump_seq
= new_dump_seq
;
1500 /* Expire OpenFlow flows whose idle_timeout or hard_timeout
1502 ovs_mutex_lock(&ofproto_mutex
);
1503 LIST_FOR_EACH_SAFE (rule
, next_rule
, expirable
,
1504 &ofproto
->up
.expirable
) {
1505 rule_expire(rule_dpif_cast(rule
));
1507 ovs_mutex_unlock(&ofproto_mutex
);
1509 /* All outstanding data in existing flows has been accounted, so it's a
1510 * good time to do bond rebalancing. */
1511 if (ofproto
->has_bonded_bundles
) {
1512 struct ofbundle
*bundle
;
1514 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1516 bond_rebalance(bundle
->bond
);
1525 wait(struct ofproto
*ofproto_
)
1527 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1529 if (ofproto_get_flow_restore_wait()) {
1533 if (ofproto
->sflow
) {
1534 dpif_sflow_wait(ofproto
->sflow
);
1536 if (ofproto
->ipfix
) {
1537 dpif_ipfix_wait(ofproto
->ipfix
);
1539 if (ofproto
->lacp_enabled
|| ofproto
->has_bonded_bundles
) {
1540 struct ofbundle
*bundle
;
1542 HMAP_FOR_EACH (bundle
, hmap_node
, &ofproto
->bundles
) {
1543 bundle_wait(bundle
);
1546 if (ofproto
->netflow
) {
1547 netflow_wait(ofproto
->netflow
);
1549 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
1550 mac_learning_wait(ofproto
->ml
);
1551 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
1552 mcast_snooping_wait(ofproto
->ms
);
1554 if (ofproto
->backer
->need_revalidate
) {
1555 /* Shouldn't happen, but if it does just go around again. */
1556 VLOG_DBG_RL(&rl
, "need revalidate in ofproto_wait_cb()");
1557 poll_immediate_wake();
1560 seq_wait(udpif_dump_seq(ofproto
->backer
->udpif
), ofproto
->dump_seq
);
1561 seq_wait(ofproto
->pins_seq
, ofproto
->pins_seqno
);
1565 type_get_memory_usage(const char *type
, struct simap
*usage
)
1567 struct dpif_backer
*backer
;
1569 backer
= shash_find_data(&all_dpif_backers
, type
);
1571 udpif_get_memory_usage(backer
->udpif
, usage
);
1576 flush(struct ofproto
*ofproto_
)
1578 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1579 struct dpif_backer
*backer
= ofproto
->backer
;
1582 udpif_flush(backer
->udpif
);
1587 query_tables(struct ofproto
*ofproto
,
1588 struct ofputil_table_features
*features
,
1589 struct ofputil_table_stats
*stats
)
1591 strcpy(features
->name
, "classifier");
1596 for (i
= 0; i
< ofproto
->n_tables
; i
++) {
1597 unsigned long missed
, matched
;
1599 atomic_read_relaxed(&ofproto
->tables
[i
].n_matched
, &matched
);
1600 atomic_read_relaxed(&ofproto
->tables
[i
].n_missed
, &missed
);
1602 stats
[i
].matched_count
= matched
;
1603 stats
[i
].lookup_count
= matched
+ missed
;
1608 static struct ofport
*
1611 struct ofport_dpif
*port
= xzalloc(sizeof *port
);
1616 port_dealloc(struct ofport
*port_
)
1618 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1623 port_construct(struct ofport
*port_
)
1625 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1626 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1627 const struct netdev
*netdev
= port
->up
.netdev
;
1628 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1629 const char *dp_port_name
;
1630 struct dpif_port dpif_port
;
1633 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1634 port
->bundle
= NULL
;
1638 port
->may_enable
= false;
1639 port
->stp_port
= NULL
;
1640 port
->stp_state
= STP_DISABLED
;
1641 port
->rstp_port
= NULL
;
1642 port
->rstp_state
= RSTP_DISABLED
;
1643 port
->is_tunnel
= false;
1647 port
->realdev_ofp_port
= 0;
1648 port
->vlandev_vid
= 0;
1649 port
->carrier_seq
= netdev_get_carrier_resets(netdev
);
1650 port
->is_layer3
= netdev_vport_is_layer3(netdev
);
1652 if (netdev_vport_is_patch(netdev
)) {
1653 /* By bailing out here, we don't submit the port to the sFlow module
1654 * to be considered for counter polling export. This is correct
1655 * because the patch port represents an interface that sFlow considers
1656 * to be "internal" to the switch as a whole, and therefore not a
1657 * candidate for counter polling. */
1658 port
->odp_port
= ODPP_NONE
;
1659 ofport_update_peer(port
);
1663 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1664 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
, dp_port_name
,
1670 port
->odp_port
= dpif_port
.port_no
;
1672 if (netdev_get_tunnel_config(netdev
)) {
1673 atomic_count_inc(&ofproto
->backer
->tnl_count
);
1674 error
= tnl_port_add(port
, port
->up
.netdev
, port
->odp_port
,
1675 ovs_native_tunneling_is_on(ofproto
), dp_port_name
);
1677 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1678 dpif_port_destroy(&dpif_port
);
1682 port
->is_tunnel
= true;
1683 if (ofproto
->ipfix
) {
1684 dpif_ipfix_add_tunnel_port(ofproto
->ipfix
, port_
, port
->odp_port
);
1687 /* Sanity-check that a mapping doesn't already exist. This
1688 * shouldn't happen for non-tunnel ports. */
1689 if (odp_port_to_ofp_port(ofproto
, port
->odp_port
) != OFPP_NONE
) {
1690 VLOG_ERR("port %s already has an OpenFlow port number",
1692 dpif_port_destroy(&dpif_port
);
1696 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1697 hmap_insert(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
,
1698 hash_odp_port(port
->odp_port
));
1699 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1701 dpif_port_destroy(&dpif_port
);
1703 if (ofproto
->sflow
) {
1704 dpif_sflow_add_port(ofproto
->sflow
, port_
, port
->odp_port
);
1711 port_destruct(struct ofport
*port_
)
1713 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1714 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1715 const char *devname
= netdev_get_name(port
->up
.netdev
);
1716 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1717 const char *dp_port_name
;
1719 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1721 xlate_ofport_remove(port
);
1724 dp_port_name
= netdev_vport_get_dpif_port(port
->up
.netdev
, namebuf
,
1726 if (dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
1727 /* The underlying device is still there, so delete it. This
1728 * happens when the ofproto is being destroyed, since the caller
1729 * assumes that removal of attached ports will happen as part of
1731 if (!port
->is_tunnel
) {
1732 dpif_port_del(ofproto
->backer
->dpif
, port
->odp_port
);
1737 port
->peer
->peer
= NULL
;
1741 if (port
->odp_port
!= ODPP_NONE
&& !port
->is_tunnel
) {
1742 ovs_rwlock_wrlock(&ofproto
->backer
->odp_to_ofport_lock
);
1743 hmap_remove(&ofproto
->backer
->odp_to_ofport_map
, &port
->odp_port_node
);
1744 ovs_rwlock_unlock(&ofproto
->backer
->odp_to_ofport_lock
);
1747 if (port
->is_tunnel
) {
1748 atomic_count_dec(&ofproto
->backer
->tnl_count
);
1751 if (port
->is_tunnel
&& ofproto
->ipfix
) {
1752 dpif_ipfix_del_tunnel_port(ofproto
->ipfix
, port
->odp_port
);
1756 sset_find_and_delete(&ofproto
->ports
, devname
);
1757 sset_find_and_delete(&ofproto
->ghost_ports
, devname
);
1758 bundle_remove(port_
);
1759 set_cfm(port_
, NULL
);
1760 set_bfd(port_
, NULL
);
1761 set_lldp(port_
, NULL
);
1762 if (port
->stp_port
) {
1763 stp_port_disable(port
->stp_port
);
1765 set_rstp_port(port_
, NULL
);
1766 if (ofproto
->sflow
) {
1767 dpif_sflow_del_port(ofproto
->sflow
, port
->odp_port
);
1774 port_modified(struct ofport
*port_
)
1776 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1777 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
1778 const char *dp_port_name
;
1779 struct netdev
*netdev
= port
->up
.netdev
;
1781 if (port
->bundle
&& port
->bundle
->bond
) {
1782 bond_slave_set_netdev(port
->bundle
->bond
, port
, netdev
);
1786 cfm_set_netdev(port
->cfm
, netdev
);
1790 bfd_set_netdev(port
->bfd
, netdev
);
1793 ofproto_dpif_monitor_port_update(port
, port
->bfd
, port
->cfm
,
1794 port
->lldp
, port
->up
.pp
.hw_addr
);
1796 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
1798 if (port
->is_tunnel
) {
1799 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1801 if (tnl_port_reconfigure(port
, netdev
, port
->odp_port
,
1802 ovs_native_tunneling_is_on(ofproto
),
1804 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1808 ofport_update_peer(port
);
1812 port_reconfigured(struct ofport
*port_
, enum ofputil_port_config old_config
)
1814 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
1815 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
1816 enum ofputil_port_config changed
= old_config
^ port
->up
.pp
.config
;
1818 if (changed
& (OFPUTIL_PC_NO_RECV
| OFPUTIL_PC_NO_RECV_STP
|
1819 OFPUTIL_PC_NO_FWD
| OFPUTIL_PC_NO_FLOOD
|
1820 OFPUTIL_PC_NO_PACKET_IN
)) {
1821 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1823 if (changed
& OFPUTIL_PC_NO_FLOOD
&& port
->bundle
) {
1824 bundle_update(port
->bundle
);
1830 set_sflow(struct ofproto
*ofproto_
,
1831 const struct ofproto_sflow_options
*sflow_options
)
1833 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1834 struct dpif_sflow
*ds
= ofproto
->sflow
;
1836 if (sflow_options
) {
1837 uint32_t old_probability
= ds
? dpif_sflow_get_probability(ds
) : 0;
1839 struct ofport_dpif
*ofport
;
1841 ds
= ofproto
->sflow
= dpif_sflow_create();
1842 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1843 dpif_sflow_add_port(ds
, &ofport
->up
, ofport
->odp_port
);
1846 dpif_sflow_set_options(ds
, sflow_options
);
1847 if (dpif_sflow_get_probability(ds
) != old_probability
) {
1848 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1852 dpif_sflow_unref(ds
);
1853 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1854 ofproto
->sflow
= NULL
;
1862 struct ofproto
*ofproto_
,
1863 const struct ofproto_ipfix_bridge_exporter_options
*bridge_exporter_options
,
1864 const struct ofproto_ipfix_flow_exporter_options
*flow_exporters_options
,
1865 size_t n_flow_exporters_options
)
1867 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
1868 struct dpif_ipfix
*di
= ofproto
->ipfix
;
1869 bool has_options
= bridge_exporter_options
|| flow_exporters_options
;
1870 bool new_di
= false;
1872 if (has_options
&& !di
) {
1873 di
= ofproto
->ipfix
= dpif_ipfix_create();
1878 /* Call set_options in any case to cleanly flush the flow
1879 * caches in the last exporters that are to be destroyed. */
1880 dpif_ipfix_set_options(
1881 di
, bridge_exporter_options
, flow_exporters_options
,
1882 n_flow_exporters_options
);
1884 /* Add tunnel ports only when a new ipfix created */
1885 if (new_di
== true) {
1886 struct ofport_dpif
*ofport
;
1887 HMAP_FOR_EACH (ofport
, up
.hmap_node
, &ofproto
->up
.ports
) {
1888 if (ofport
->is_tunnel
== true) {
1889 dpif_ipfix_add_tunnel_port(di
, &ofport
->up
, ofport
->odp_port
);
1895 dpif_ipfix_unref(di
);
1896 ofproto
->ipfix
= NULL
;
1904 set_cfm(struct ofport
*ofport_
, const struct cfm_settings
*s
)
1906 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1907 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
1908 struct cfm
*old
= ofport
->cfm
;
1913 ofport
->cfm
= cfm_create(ofport
->up
.netdev
);
1916 if (cfm_configure(ofport
->cfm
, s
)) {
1923 cfm_unref(ofport
->cfm
);
1926 if (ofport
->cfm
!= old
) {
1927 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1929 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1930 ofport
->lldp
, ofport
->up
.pp
.hw_addr
);
1935 cfm_status_changed(struct ofport
*ofport_
)
1937 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1939 return ofport
->cfm
? cfm_check_status_change(ofport
->cfm
) : true;
1943 get_cfm_status(const struct ofport
*ofport_
,
1944 struct cfm_status
*status
)
1946 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1950 cfm_get_status(ofport
->cfm
, status
);
1959 set_bfd(struct ofport
*ofport_
, const struct smap
*cfg
)
1961 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
1962 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1966 ofport
->bfd
= bfd_configure(old
, netdev_get_name(ofport
->up
.netdev
),
1967 cfg
, ofport
->up
.netdev
);
1968 if (ofport
->bfd
!= old
) {
1969 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
1971 ofproto_dpif_monitor_port_update(ofport
, ofport
->bfd
, ofport
->cfm
,
1972 ofport
->lldp
, ofport
->up
.pp
.hw_addr
);
1977 bfd_status_changed(struct ofport
*ofport_
)
1979 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1981 return ofport
->bfd
? bfd_check_status_change(ofport
->bfd
) : true;
1985 get_bfd_status(struct ofport
*ofport_
, struct smap
*smap
)
1987 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
1991 bfd_get_status(ofport
->bfd
, smap
);
2000 set_lldp(struct ofport
*ofport_
,
2001 const struct smap
*cfg
)
2003 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2007 if (!ofport
->lldp
) {
2008 struct ofproto_dpif
*ofproto
;
2010 ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2011 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2012 ofport
->lldp
= lldp_create(ofport
->up
.netdev
, ofport_
->mtu
, cfg
);
2015 if (!lldp_configure(ofport
->lldp
, cfg
)) {
2020 lldp_unref(ofport
->lldp
);
2021 ofport
->lldp
= NULL
;
2024 ofproto_dpif_monitor_port_update(ofport
,
2028 ofport
->up
.pp
.hw_addr
);
2033 get_lldp_status(const struct ofport
*ofport_
,
2034 struct lldp_status
*status OVS_UNUSED
)
2036 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2038 return ofport
->lldp
? true : false;
2042 set_aa(struct ofproto
*ofproto OVS_UNUSED
,
2043 const struct aa_settings
*s
)
2045 return aa_configure(s
);
2049 aa_mapping_set(struct ofproto
*ofproto_ OVS_UNUSED
, void *aux
,
2050 const struct aa_mapping_settings
*s
)
2052 return aa_mapping_register(aux
, s
);
2056 aa_mapping_unset(struct ofproto
*ofproto OVS_UNUSED
, void *aux
)
2058 return aa_mapping_unregister(aux
);
2062 aa_vlan_get_queued(struct ofproto
*ofproto OVS_UNUSED
, struct ovs_list
*list
)
2064 return aa_get_vlan_queued(list
);
2068 aa_vlan_get_queue_size(struct ofproto
*ofproto OVS_UNUSED
)
2070 return aa_get_vlan_queue_size();
2074 /* Spanning Tree. */
2076 /* Called while rstp_mutex is held. */
2078 rstp_send_bpdu_cb(struct dp_packet
*pkt
, void *ofport_
, void *ofproto_
)
2080 struct ofproto_dpif
*ofproto
= ofproto_
;
2081 struct ofport_dpif
*ofport
= ofport_
;
2082 struct eth_header
*eth
= dp_packet_l2(pkt
);
2084 netdev_get_etheraddr(ofport
->up
.netdev
, eth
->eth_src
);
2085 if (eth_addr_is_zero(eth
->eth_src
)) {
2086 VLOG_WARN_RL(&rl
, "%s port %d: cannot send RSTP BPDU on a port which "
2087 "does not have a configured source MAC address.",
2088 ofproto
->up
.name
, ofp_to_u16(ofport
->up
.ofp_port
));
2090 ofproto_dpif_send_packet(ofport
, pkt
);
2092 dp_packet_delete(pkt
);
2096 send_bpdu_cb(struct dp_packet
*pkt
, int port_num
, void *ofproto_
)
2098 struct ofproto_dpif
*ofproto
= ofproto_
;
2099 struct stp_port
*sp
= stp_get_port(ofproto
->stp
, port_num
);
2100 struct ofport_dpif
*ofport
;
2102 ofport
= stp_port_get_aux(sp
);
2104 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on unknown port %d",
2105 ofproto
->up
.name
, port_num
);
2107 struct eth_header
*eth
= dp_packet_l2(pkt
);
2109 netdev_get_etheraddr(ofport
->up
.netdev
, eth
->eth_src
);
2110 if (eth_addr_is_zero(eth
->eth_src
)) {
2111 VLOG_WARN_RL(&rl
, "%s: cannot send BPDU on port %d "
2112 "with unknown MAC", ofproto
->up
.name
, port_num
);
2114 ofproto_dpif_send_packet(ofport
, pkt
);
2117 dp_packet_delete(pkt
);
2120 /* Configure RSTP on 'ofproto_' using the settings defined in 's'. */
2122 set_rstp(struct ofproto
*ofproto_
, const struct ofproto_rstp_settings
*s
)
2124 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2126 /* Only revalidate flows if the configuration changed. */
2127 if (!s
!= !ofproto
->rstp
) {
2128 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2132 if (!ofproto
->rstp
) {
2133 ofproto
->rstp
= rstp_create(ofproto_
->name
, s
->address
,
2134 rstp_send_bpdu_cb
, ofproto
);
2135 ofproto
->rstp_last_tick
= time_msec();
2137 rstp_set_bridge_address(ofproto
->rstp
, s
->address
);
2138 rstp_set_bridge_priority(ofproto
->rstp
, s
->priority
);
2139 rstp_set_bridge_ageing_time(ofproto
->rstp
, s
->ageing_time
);
2140 rstp_set_bridge_force_protocol_version(ofproto
->rstp
,
2141 s
->force_protocol_version
);
2142 rstp_set_bridge_max_age(ofproto
->rstp
, s
->bridge_max_age
);
2143 rstp_set_bridge_forward_delay(ofproto
->rstp
, s
->bridge_forward_delay
);
2144 rstp_set_bridge_transmit_hold_count(ofproto
->rstp
,
2145 s
->transmit_hold_count
);
2147 struct ofport
*ofport
;
2148 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2149 set_rstp_port(ofport
, NULL
);
2151 rstp_unref(ofproto
->rstp
);
2152 ofproto
->rstp
= NULL
;
2157 get_rstp_status(struct ofproto
*ofproto_
, struct ofproto_rstp_status
*s
)
2159 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2161 if (ofproto
->rstp
) {
2163 s
->root_id
= rstp_get_root_id(ofproto
->rstp
);
2164 s
->bridge_id
= rstp_get_bridge_id(ofproto
->rstp
);
2165 s
->designated_id
= rstp_get_designated_id(ofproto
->rstp
);
2166 s
->root_path_cost
= rstp_get_root_path_cost(ofproto
->rstp
);
2167 s
->designated_port_id
= rstp_get_designated_port_id(ofproto
->rstp
);
2168 s
->bridge_port_id
= rstp_get_bridge_port_id(ofproto
->rstp
);
2175 update_rstp_port_state(struct ofport_dpif
*ofport
)
2177 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2178 enum rstp_state state
;
2180 /* Figure out new state. */
2181 state
= ofport
->rstp_port
? rstp_port_get_state(ofport
->rstp_port
)
2185 if (ofport
->rstp_state
!= state
) {
2186 enum ofputil_port_state of_state
;
2189 VLOG_DBG("port %s: RSTP state changed from %s to %s",
2190 netdev_get_name(ofport
->up
.netdev
),
2191 rstp_state_name(ofport
->rstp_state
),
2192 rstp_state_name(state
));
2194 if (rstp_learn_in_state(ofport
->rstp_state
)
2195 != rstp_learn_in_state(state
)) {
2196 /* XXX: Learning action flows should also be flushed. */
2197 if (ofport
->bundle
) {
2198 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2199 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2200 bundle_flush_macs(ofport
->bundle
, false);
2204 fwd_change
= rstp_forward_in_state(ofport
->rstp_state
)
2205 != rstp_forward_in_state(state
);
2207 ofproto
->backer
->need_revalidate
= REV_RSTP
;
2208 ofport
->rstp_state
= state
;
2210 if (fwd_change
&& ofport
->bundle
) {
2211 bundle_update(ofport
->bundle
);
2214 /* Update the RSTP state bits in the OpenFlow port description. */
2215 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2216 of_state
|= (state
== RSTP_LEARNING
? OFPUTIL_PS_STP_LEARN
2217 : state
== RSTP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2218 : state
== RSTP_DISCARDING
? OFPUTIL_PS_STP_LISTEN
2220 ofproto_port_set_state(&ofport
->up
, of_state
);
2225 rstp_run(struct ofproto_dpif
*ofproto
)
2227 if (ofproto
->rstp
) {
2228 long long int now
= time_msec();
2229 long long int elapsed
= now
- ofproto
->rstp_last_tick
;
2230 struct rstp_port
*rp
;
2231 struct ofport_dpif
*ofport
;
2233 /* Every second, decrease the values of the timers. */
2234 if (elapsed
>= 1000) {
2235 rstp_tick_timers(ofproto
->rstp
);
2236 ofproto
->rstp_last_tick
= now
;
2239 while ((ofport
= rstp_get_next_changed_port_aux(ofproto
->rstp
, &rp
))) {
2240 update_rstp_port_state(ofport
);
2244 /* FIXME: This check should be done on-event (i.e., when setting
2245 * p->fdb_flush) and not periodically.
2247 while ((ofport
= rstp_check_and_reset_fdb_flush(ofproto
->rstp
, &rp
))) {
2248 if (!rstp_shift_root_learned_address(ofproto
->rstp
)
2249 || rstp_get_old_root_aux(ofproto
->rstp
) != ofport
) {
2250 bundle_flush_macs(ofport
->bundle
, false);
2254 if (rstp_shift_root_learned_address(ofproto
->rstp
)) {
2255 bundle_move(((struct ofport_dpif
*)rstp_get_old_root_aux(ofproto
->rstp
))->bundle
,
2256 ((struct ofport_dpif
*)rstp_get_new_root_aux(ofproto
->rstp
))->bundle
);
2257 rstp_reset_root_changed(ofproto
->rstp
);
2262 /* Configures STP on 'ofproto_' using the settings defined in 's'. */
2264 set_stp(struct ofproto
*ofproto_
, const struct ofproto_stp_settings
*s
)
2266 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2268 /* Only revalidate flows if the configuration changed. */
2269 if (!s
!= !ofproto
->stp
) {
2270 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2274 if (!ofproto
->stp
) {
2275 ofproto
->stp
= stp_create(ofproto_
->name
, s
->system_id
,
2276 send_bpdu_cb
, ofproto
);
2277 ofproto
->stp_last_tick
= time_msec();
2280 stp_set_bridge_id(ofproto
->stp
, s
->system_id
);
2281 stp_set_bridge_priority(ofproto
->stp
, s
->priority
);
2282 stp_set_hello_time(ofproto
->stp
, s
->hello_time
);
2283 stp_set_max_age(ofproto
->stp
, s
->max_age
);
2284 stp_set_forward_delay(ofproto
->stp
, s
->fwd_delay
);
2286 struct ofport
*ofport
;
2288 HMAP_FOR_EACH (ofport
, hmap_node
, &ofproto
->up
.ports
) {
2289 set_stp_port(ofport
, NULL
);
2292 stp_unref(ofproto
->stp
);
2293 ofproto
->stp
= NULL
;
2300 get_stp_status(struct ofproto
*ofproto_
, struct ofproto_stp_status
*s
)
2302 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2306 s
->bridge_id
= stp_get_bridge_id(ofproto
->stp
);
2307 s
->designated_root
= stp_get_designated_root(ofproto
->stp
);
2308 s
->root_path_cost
= stp_get_root_path_cost(ofproto
->stp
);
2317 update_stp_port_state(struct ofport_dpif
*ofport
)
2319 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2320 enum stp_state state
;
2322 /* Figure out new state. */
2323 state
= ofport
->stp_port
? stp_port_get_state(ofport
->stp_port
)
2327 if (ofport
->stp_state
!= state
) {
2328 enum ofputil_port_state of_state
;
2331 VLOG_DBG("port %s: STP state changed from %s to %s",
2332 netdev_get_name(ofport
->up
.netdev
),
2333 stp_state_name(ofport
->stp_state
),
2334 stp_state_name(state
));
2335 if (stp_learn_in_state(ofport
->stp_state
)
2336 != stp_learn_in_state(state
)) {
2337 /* xxx Learning action flows should also be flushed. */
2338 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2339 mac_learning_flush(ofproto
->ml
);
2340 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2341 mcast_snooping_mdb_flush(ofproto
->ms
);
2343 fwd_change
= stp_forward_in_state(ofport
->stp_state
)
2344 != stp_forward_in_state(state
);
2346 ofproto
->backer
->need_revalidate
= REV_STP
;
2347 ofport
->stp_state
= state
;
2348 ofport
->stp_state_entered
= time_msec();
2350 if (fwd_change
&& ofport
->bundle
) {
2351 bundle_update(ofport
->bundle
);
2354 /* Update the STP state bits in the OpenFlow port description. */
2355 of_state
= ofport
->up
.pp
.state
& ~OFPUTIL_PS_STP_MASK
;
2356 of_state
|= (state
== STP_LISTENING
? OFPUTIL_PS_STP_LISTEN
2357 : state
== STP_LEARNING
? OFPUTIL_PS_STP_LEARN
2358 : state
== STP_FORWARDING
? OFPUTIL_PS_STP_FORWARD
2359 : state
== STP_BLOCKING
? OFPUTIL_PS_STP_BLOCK
2361 ofproto_port_set_state(&ofport
->up
, of_state
);
2365 /* Configures STP on 'ofport_' using the settings defined in 's'. The
2366 * caller is responsible for assigning STP port numbers and ensuring
2367 * there are no duplicates. */
2369 set_stp_port(struct ofport
*ofport_
,
2370 const struct ofproto_port_stp_settings
*s
)
2372 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2373 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2374 struct stp_port
*sp
= ofport
->stp_port
;
2376 if (!s
|| !s
->enable
) {
2378 ofport
->stp_port
= NULL
;
2379 stp_port_disable(sp
);
2380 update_stp_port_state(ofport
);
2383 } else if (sp
&& stp_port_no(sp
) != s
->port_num
2384 && ofport
== stp_port_get_aux(sp
)) {
2385 /* The port-id changed, so disable the old one if it's not
2386 * already in use by another port. */
2387 stp_port_disable(sp
);
2390 sp
= ofport
->stp_port
= stp_get_port(ofproto
->stp
, s
->port_num
);
2392 /* Set name before enabling the port so that debugging messages can print
2394 stp_port_set_name(sp
, netdev_get_name(ofport
->up
.netdev
));
2395 stp_port_enable(sp
);
2397 stp_port_set_aux(sp
, ofport
);
2398 stp_port_set_priority(sp
, s
->priority
);
2399 stp_port_set_path_cost(sp
, s
->path_cost
);
2401 update_stp_port_state(ofport
);
2407 get_stp_port_status(struct ofport
*ofport_
,
2408 struct ofproto_port_stp_status
*s
)
2410 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2411 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2412 struct stp_port
*sp
= ofport
->stp_port
;
2414 if (!ofproto
->stp
|| !sp
) {
2420 s
->port_id
= stp_port_get_id(sp
);
2421 s
->state
= stp_port_get_state(sp
);
2422 s
->sec_in_state
= (time_msec() - ofport
->stp_state_entered
) / 1000;
2423 s
->role
= stp_port_get_role(sp
);
2429 get_stp_port_stats(struct ofport
*ofport_
,
2430 struct ofproto_port_stp_stats
*s
)
2432 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2433 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2434 struct stp_port
*sp
= ofport
->stp_port
;
2436 if (!ofproto
->stp
|| !sp
) {
2442 stp_port_get_counts(sp
, &s
->tx_count
, &s
->rx_count
, &s
->error_count
);
2448 stp_run(struct ofproto_dpif
*ofproto
)
2451 long long int now
= time_msec();
2452 long long int elapsed
= now
- ofproto
->stp_last_tick
;
2453 struct stp_port
*sp
;
2456 stp_tick(ofproto
->stp
, MIN(INT_MAX
, elapsed
));
2457 ofproto
->stp_last_tick
= now
;
2459 while (stp_get_changed_port(ofproto
->stp
, &sp
)) {
2460 struct ofport_dpif
*ofport
= stp_port_get_aux(sp
);
2463 update_stp_port_state(ofport
);
2467 if (stp_check_and_reset_fdb_flush(ofproto
->stp
)) {
2468 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
2469 mac_learning_flush(ofproto
->ml
);
2470 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2471 mcast_snooping_mdb_flush(ofproto
->ms
);
2477 stp_wait(struct ofproto_dpif
*ofproto
)
2480 poll_timer_wait(1000);
2484 /* Configures RSTP on 'ofport_' using the settings defined in 's'. The
2485 * caller is responsible for assigning RSTP port numbers and ensuring
2486 * there are no duplicates. */
2488 set_rstp_port(struct ofport
*ofport_
,
2489 const struct ofproto_port_rstp_settings
*s
)
2491 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2492 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2493 struct rstp_port
*rp
= ofport
->rstp_port
;
2495 if (!s
|| !s
->enable
) {
2497 rstp_port_unref(rp
);
2498 ofport
->rstp_port
= NULL
;
2499 update_rstp_port_state(ofport
);
2504 /* Check if need to add a new port. */
2506 rp
= ofport
->rstp_port
= rstp_add_port(ofproto
->rstp
);
2509 rstp_port_set(rp
, s
->port_num
, s
->priority
, s
->path_cost
,
2510 s
->admin_edge_port
, s
->auto_edge
,
2511 s
->admin_p2p_mac_state
, s
->admin_port_state
, s
->mcheck
,
2513 update_rstp_port_state(ofport
);
2514 /* Synchronize operational status. */
2515 rstp_port_set_mac_operational(rp
, ofport
->may_enable
);
2519 get_rstp_port_status(struct ofport
*ofport_
,
2520 struct ofproto_port_rstp_status
*s
)
2522 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2523 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2524 struct rstp_port
*rp
= ofport
->rstp_port
;
2526 if (!ofproto
->rstp
|| !rp
) {
2532 rstp_port_get_status(rp
, &s
->port_id
, &s
->state
, &s
->role
,
2533 &s
->designated_bridge_id
, &s
->designated_port_id
,
2534 &s
->designated_path_cost
, &s
->tx_count
,
2535 &s
->rx_count
, &s
->error_count
, &s
->uptime
);
2540 set_queues(struct ofport
*ofport_
, const struct ofproto_port_queue
*qdscp
,
2543 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
2544 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
2546 if (ofport
->n_qdscp
!= n_qdscp
2547 || (n_qdscp
&& memcmp(ofport
->qdscp
, qdscp
,
2548 n_qdscp
* sizeof *qdscp
))) {
2549 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2550 free(ofport
->qdscp
);
2551 ofport
->qdscp
= n_qdscp
2552 ? xmemdup(qdscp
, n_qdscp
* sizeof *qdscp
)
2554 ofport
->n_qdscp
= n_qdscp
;
2562 /* Expires all MAC learning entries associated with 'bundle' and forces its
2563 * ofproto to revalidate every flow.
2565 * Normally MAC learning entries are removed only from the ofproto associated
2566 * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
2567 * are removed from every ofproto. When patch ports and SLB bonds are in use
2568 * and a VM migration happens and the gratuitous ARPs are somehow lost, this
2569 * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
2570 * with the host from which it migrated. */
2572 bundle_flush_macs(struct ofbundle
*bundle
, bool all_ofprotos
)
2574 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2575 struct mac_learning
*ml
= ofproto
->ml
;
2576 struct mac_entry
*mac
, *next_mac
;
2578 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2579 ovs_rwlock_wrlock(&ml
->rwlock
);
2580 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2581 if (mac_entry_get_port(ml
, mac
) == bundle
) {
2583 struct ofproto_dpif
*o
;
2585 HMAP_FOR_EACH (o
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
2587 struct mac_entry
*e
;
2589 ovs_rwlock_wrlock(&o
->ml
->rwlock
);
2590 e
= mac_learning_lookup(o
->ml
, mac
->mac
, mac
->vlan
);
2592 mac_learning_expire(o
->ml
, e
);
2594 ovs_rwlock_unlock(&o
->ml
->rwlock
);
2599 mac_learning_expire(ml
, mac
);
2602 ovs_rwlock_unlock(&ml
->rwlock
);
2606 bundle_move(struct ofbundle
*old
, struct ofbundle
*new)
2608 struct ofproto_dpif
*ofproto
= old
->ofproto
;
2609 struct mac_learning
*ml
= ofproto
->ml
;
2610 struct mac_entry
*mac
, *next_mac
;
2612 ovs_assert(new->ofproto
== old
->ofproto
);
2614 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2615 ovs_rwlock_wrlock(&ml
->rwlock
);
2616 LIST_FOR_EACH_SAFE (mac
, next_mac
, lru_node
, &ml
->lrus
) {
2617 if (mac_entry_get_port(ml
, mac
) == old
) {
2618 mac_entry_set_port(ml
, mac
, new);
2621 ovs_rwlock_unlock(&ml
->rwlock
);
2624 static struct ofbundle
*
2625 bundle_lookup(const struct ofproto_dpif
*ofproto
, void *aux
)
2627 struct ofbundle
*bundle
;
2629 HMAP_FOR_EACH_IN_BUCKET (bundle
, hmap_node
, hash_pointer(aux
, 0),
2630 &ofproto
->bundles
) {
2631 if (bundle
->aux
== aux
) {
2639 bundle_update(struct ofbundle
*bundle
)
2641 struct ofport_dpif
*port
;
2643 bundle
->floodable
= true;
2644 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2645 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2647 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2648 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2649 bundle
->floodable
= false;
2656 bundle_del_port(struct ofport_dpif
*port
)
2658 struct ofbundle
*bundle
= port
->bundle
;
2660 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2662 list_remove(&port
->bundle_node
);
2663 port
->bundle
= NULL
;
2666 lacp_slave_unregister(bundle
->lacp
, port
);
2669 bond_slave_unregister(bundle
->bond
, port
);
2672 bundle_update(bundle
);
2676 bundle_add_port(struct ofbundle
*bundle
, ofp_port_t ofp_port
,
2677 struct lacp_slave_settings
*lacp
)
2679 struct ofport_dpif
*port
;
2681 port
= ofp_port_to_ofport(bundle
->ofproto
, ofp_port
);
2686 if (port
->bundle
!= bundle
) {
2687 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2689 bundle_remove(&port
->up
);
2692 port
->bundle
= bundle
;
2693 list_push_back(&bundle
->ports
, &port
->bundle_node
);
2694 if (port
->up
.pp
.config
& OFPUTIL_PC_NO_FLOOD
2696 || (bundle
->ofproto
->stp
&& !stp_forward_in_state(port
->stp_state
))
2697 || (bundle
->ofproto
->rstp
&& !rstp_forward_in_state(port
->rstp_state
))) {
2698 bundle
->floodable
= false;
2702 bundle
->ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2703 lacp_slave_register(bundle
->lacp
, port
, lacp
);
2710 bundle_destroy(struct ofbundle
*bundle
)
2712 struct ofproto_dpif
*ofproto
;
2713 struct ofport_dpif
*port
, *next_port
;
2719 ofproto
= bundle
->ofproto
;
2720 mbridge_unregister_bundle(ofproto
->mbridge
, bundle
);
2723 xlate_bundle_remove(bundle
);
2726 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2727 bundle_del_port(port
);
2730 bundle_flush_macs(bundle
, true);
2731 hmap_remove(&ofproto
->bundles
, &bundle
->hmap_node
);
2733 free(bundle
->trunks
);
2734 lacp_unref(bundle
->lacp
);
2735 bond_unref(bundle
->bond
);
2740 bundle_set(struct ofproto
*ofproto_
, void *aux
,
2741 const struct ofproto_bundle_settings
*s
)
2743 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
2744 bool need_flush
= false;
2745 struct ofport_dpif
*port
;
2746 struct ofbundle
*bundle
;
2747 unsigned long *trunks
;
2753 bundle_destroy(bundle_lookup(ofproto
, aux
));
2757 ovs_assert(s
->n_slaves
== 1 || s
->bond
!= NULL
);
2758 ovs_assert((s
->lacp
!= NULL
) == (s
->lacp_slaves
!= NULL
));
2760 bundle
= bundle_lookup(ofproto
, aux
);
2762 bundle
= xmalloc(sizeof *bundle
);
2764 bundle
->ofproto
= ofproto
;
2765 hmap_insert(&ofproto
->bundles
, &bundle
->hmap_node
,
2766 hash_pointer(aux
, 0));
2768 bundle
->name
= NULL
;
2770 list_init(&bundle
->ports
);
2771 bundle
->vlan_mode
= PORT_VLAN_TRUNK
;
2773 bundle
->trunks
= NULL
;
2774 bundle
->use_priority_tags
= s
->use_priority_tags
;
2775 bundle
->lacp
= NULL
;
2776 bundle
->bond
= NULL
;
2778 bundle
->floodable
= true;
2779 mbridge_register_bundle(ofproto
->mbridge
, bundle
);
2782 if (!bundle
->name
|| strcmp(s
->name
, bundle
->name
)) {
2784 bundle
->name
= xstrdup(s
->name
);
2789 ofproto
->lacp_enabled
= true;
2790 if (!bundle
->lacp
) {
2791 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2792 bundle
->lacp
= lacp_create();
2794 lacp_configure(bundle
->lacp
, s
->lacp
);
2796 lacp_unref(bundle
->lacp
);
2797 bundle
->lacp
= NULL
;
2800 /* Update set of ports. */
2802 for (i
= 0; i
< s
->n_slaves
; i
++) {
2803 if (!bundle_add_port(bundle
, s
->slaves
[i
],
2804 s
->lacp
? &s
->lacp_slaves
[i
] : NULL
)) {
2808 if (!ok
|| list_size(&bundle
->ports
) != s
->n_slaves
) {
2809 struct ofport_dpif
*next_port
;
2811 LIST_FOR_EACH_SAFE (port
, next_port
, bundle_node
, &bundle
->ports
) {
2812 for (i
= 0; i
< s
->n_slaves
; i
++) {
2813 if (s
->slaves
[i
] == port
->up
.ofp_port
) {
2818 bundle_del_port(port
);
2822 ovs_assert(list_size(&bundle
->ports
) <= s
->n_slaves
);
2824 if (list_is_empty(&bundle
->ports
)) {
2825 bundle_destroy(bundle
);
2829 /* Set VLAN tagging mode */
2830 if (s
->vlan_mode
!= bundle
->vlan_mode
2831 || s
->use_priority_tags
!= bundle
->use_priority_tags
) {
2832 bundle
->vlan_mode
= s
->vlan_mode
;
2833 bundle
->use_priority_tags
= s
->use_priority_tags
;
2838 vlan
= (s
->vlan_mode
== PORT_VLAN_TRUNK
? -1
2839 : s
->vlan
>= 0 && s
->vlan
<= 4095 ? s
->vlan
2841 if (vlan
!= bundle
->vlan
) {
2842 bundle
->vlan
= vlan
;
2846 /* Get trunked VLANs. */
2847 switch (s
->vlan_mode
) {
2848 case PORT_VLAN_ACCESS
:
2852 case PORT_VLAN_TRUNK
:
2853 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2856 case PORT_VLAN_NATIVE_UNTAGGED
:
2857 case PORT_VLAN_NATIVE_TAGGED
:
2858 if (vlan
!= 0 && (!s
->trunks
2859 || !bitmap_is_set(s
->trunks
, vlan
)
2860 || bitmap_is_set(s
->trunks
, 0))) {
2861 /* Force trunking the native VLAN and prohibit trunking VLAN 0. */
2863 trunks
= bitmap_clone(s
->trunks
, 4096);
2865 trunks
= bitmap_allocate1(4096);
2867 bitmap_set1(trunks
, vlan
);
2868 bitmap_set0(trunks
, 0);
2870 trunks
= CONST_CAST(unsigned long *, s
->trunks
);
2877 if (!vlan_bitmap_equal(trunks
, bundle
->trunks
)) {
2878 free(bundle
->trunks
);
2879 if (trunks
== s
->trunks
) {
2880 bundle
->trunks
= vlan_bitmap_clone(trunks
);
2882 bundle
->trunks
= trunks
;
2887 if (trunks
!= s
->trunks
) {
2892 if (!list_is_short(&bundle
->ports
)) {
2893 bundle
->ofproto
->has_bonded_bundles
= true;
2895 if (bond_reconfigure(bundle
->bond
, s
->bond
)) {
2896 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2899 bundle
->bond
= bond_create(s
->bond
, ofproto
);
2900 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
2903 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
2904 bond_slave_register(bundle
->bond
, port
,
2905 port
->up
.ofp_port
, port
->up
.netdev
);
2908 bond_unref(bundle
->bond
);
2909 bundle
->bond
= NULL
;
2912 /* If we changed something that would affect MAC learning, un-learn
2913 * everything on this port and force flow revalidation. */
2915 bundle_flush_macs(bundle
, false);
2922 bundle_remove(struct ofport
*port_
)
2924 struct ofport_dpif
*port
= ofport_dpif_cast(port_
);
2925 struct ofbundle
*bundle
= port
->bundle
;
2928 bundle_del_port(port
);
2929 if (list_is_empty(&bundle
->ports
)) {
2930 bundle_destroy(bundle
);
2931 } else if (list_is_short(&bundle
->ports
)) {
2932 bond_unref(bundle
->bond
);
2933 bundle
->bond
= NULL
;
2939 send_pdu_cb(void *port_
, const void *pdu
, size_t pdu_size
)
2941 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 10);
2942 struct ofport_dpif
*port
= port_
;
2943 uint8_t ea
[ETH_ADDR_LEN
];
2946 error
= netdev_get_etheraddr(port
->up
.netdev
, ea
);
2948 struct dp_packet packet
;
2951 dp_packet_init(&packet
, 0);
2952 packet_pdu
= eth_compose(&packet
, eth_addr_lacp
, ea
, ETH_TYPE_LACP
,
2954 memcpy(packet_pdu
, pdu
, pdu_size
);
2956 ofproto_dpif_send_packet(port
, &packet
);
2957 dp_packet_uninit(&packet
);
2959 VLOG_ERR_RL(&rl
, "port %s: cannot obtain Ethernet address of iface "
2960 "%s (%s)", port
->bundle
->name
,
2961 netdev_get_name(port
->up
.netdev
), ovs_strerror(error
));
2966 bundle_send_learning_packets(struct ofbundle
*bundle
)
2968 struct ofproto_dpif
*ofproto
= bundle
->ofproto
;
2969 int error
, n_packets
, n_errors
;
2970 struct mac_entry
*e
;
2972 struct ovs_list list_node
;
2973 struct ofport_dpif
*port
;
2974 struct dp_packet
*pkt
;
2976 struct ovs_list packets
;
2978 list_init(&packets
);
2979 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
2980 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
2981 if (mac_entry_get_port(ofproto
->ml
, e
) != bundle
) {
2982 pkt_node
= xmalloc(sizeof *pkt_node
);
2983 pkt_node
->pkt
= bond_compose_learning_packet(bundle
->bond
,
2985 (void **)&pkt_node
->port
);
2986 list_push_back(&packets
, &pkt_node
->list_node
);
2989 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
2991 error
= n_packets
= n_errors
= 0;
2992 LIST_FOR_EACH_POP (pkt_node
, list_node
, &packets
) {
2995 ret
= ofproto_dpif_send_packet(pkt_node
->port
, pkt_node
->pkt
);
2996 dp_packet_delete(pkt_node
->pkt
);
3006 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3007 VLOG_WARN_RL(&rl
, "bond %s: %d errors sending %d gratuitous learning "
3008 "packets, last error was: %s",
3009 bundle
->name
, n_errors
, n_packets
, ovs_strerror(error
));
3011 VLOG_DBG("bond %s: sent %d gratuitous learning packets",
3012 bundle
->name
, n_packets
);
3017 bundle_run(struct ofbundle
*bundle
)
3020 lacp_run(bundle
->lacp
, send_pdu_cb
);
3023 struct ofport_dpif
*port
;
3025 LIST_FOR_EACH (port
, bundle_node
, &bundle
->ports
) {
3026 bond_slave_set_may_enable(bundle
->bond
, port
, port
->may_enable
);
3029 if (bond_run(bundle
->bond
, lacp_status(bundle
->lacp
))) {
3030 bundle
->ofproto
->backer
->need_revalidate
= REV_BOND
;
3033 if (bond_should_send_learning_packets(bundle
->bond
)) {
3034 bundle_send_learning_packets(bundle
);
3040 bundle_wait(struct ofbundle
*bundle
)
3043 lacp_wait(bundle
->lacp
);
3046 bond_wait(bundle
->bond
);
3053 mirror_set__(struct ofproto
*ofproto_
, void *aux
,
3054 const struct ofproto_mirror_settings
*s
)
3056 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3057 struct ofbundle
**srcs
, **dsts
;
3062 mirror_destroy(ofproto
->mbridge
, aux
);
3066 srcs
= xmalloc(s
->n_srcs
* sizeof *srcs
);
3067 dsts
= xmalloc(s
->n_dsts
* sizeof *dsts
);
3069 for (i
= 0; i
< s
->n_srcs
; i
++) {
3070 srcs
[i
] = bundle_lookup(ofproto
, s
->srcs
[i
]);
3073 for (i
= 0; i
< s
->n_dsts
; i
++) {
3074 dsts
[i
] = bundle_lookup(ofproto
, s
->dsts
[i
]);
3077 error
= mirror_set(ofproto
->mbridge
, aux
, s
->name
, srcs
, s
->n_srcs
, dsts
,
3078 s
->n_dsts
, s
->src_vlans
,
3079 bundle_lookup(ofproto
, s
->out_bundle
), s
->out_vlan
);
3086 mirror_get_stats__(struct ofproto
*ofproto
, void *aux
,
3087 uint64_t *packets
, uint64_t *bytes
)
3089 return mirror_get_stats(ofproto_dpif_cast(ofproto
)->mbridge
, aux
, packets
,
3094 set_flood_vlans(struct ofproto
*ofproto_
, unsigned long *flood_vlans
)
3096 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3097 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3098 if (mac_learning_set_flood_vlans(ofproto
->ml
, flood_vlans
)) {
3099 mac_learning_flush(ofproto
->ml
);
3101 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3106 is_mirror_output_bundle(const struct ofproto
*ofproto_
, void *aux
)
3108 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3109 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3110 return bundle
&& mirror_bundle_out(ofproto
->mbridge
, bundle
) != 0;
3114 forward_bpdu_changed(struct ofproto
*ofproto_
)
3116 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3117 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3121 set_mac_table_config(struct ofproto
*ofproto_
, unsigned int idle_time
,
3124 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3125 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
3126 mac_learning_set_idle_time(ofproto
->ml
, idle_time
);
3127 mac_learning_set_max_entries(ofproto
->ml
, max_entries
);
3128 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
3131 /* Configures multicast snooping on 'ofport' using the settings
3132 * defined in 's'. */
3134 set_mcast_snooping(struct ofproto
*ofproto_
,
3135 const struct ofproto_mcast_snooping_settings
*s
)
3137 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3139 /* Only revalidate flows if the configuration changed. */
3140 if (!s
!= !ofproto
->ms
) {
3141 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3146 ofproto
->ms
= mcast_snooping_create();
3149 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3150 mcast_snooping_set_idle_time(ofproto
->ms
, s
->idle_time
);
3151 mcast_snooping_set_max_entries(ofproto
->ms
, s
->max_entries
);
3152 if (mcast_snooping_set_flood_unreg(ofproto
->ms
, s
->flood_unreg
)) {
3153 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3155 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3157 mcast_snooping_unref(ofproto
->ms
);
3164 /* Configures multicast snooping port's flood settings on 'ofproto'. */
3166 set_mcast_snooping_port(struct ofproto
*ofproto_
, void *aux
,
3167 const struct ofproto_mcast_snooping_port_settings
*s
)
3169 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3170 struct ofbundle
*bundle
= bundle_lookup(ofproto
, aux
);
3172 if (ofproto
->ms
&& s
) {
3173 ovs_rwlock_wrlock(&ofproto
->ms
->rwlock
);
3174 mcast_snooping_set_port_flood(ofproto
->ms
, bundle
, s
->flood
);
3175 mcast_snooping_set_port_flood_reports(ofproto
->ms
, bundle
,
3177 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
3185 struct ofport_dpif
*
3186 ofp_port_to_ofport(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
3188 struct ofport
*ofport
= ofproto_get_port(&ofproto
->up
, ofp_port
);
3189 return ofport
? ofport_dpif_cast(ofport
) : NULL
;
3193 ofproto_port_from_dpif_port(struct ofproto_dpif
*ofproto
,
3194 struct ofproto_port
*ofproto_port
,
3195 struct dpif_port
*dpif_port
)
3197 ofproto_port
->name
= dpif_port
->name
;
3198 ofproto_port
->type
= dpif_port
->type
;
3199 ofproto_port
->ofp_port
= odp_port_to_ofp_port(ofproto
, dpif_port
->port_no
);
3203 ofport_update_peer(struct ofport_dpif
*ofport
)
3205 const struct ofproto_dpif
*ofproto
;
3206 struct dpif_backer
*backer
;
3209 if (!netdev_vport_is_patch(ofport
->up
.netdev
)) {
3213 backer
= ofproto_dpif_cast(ofport
->up
.ofproto
)->backer
;
3214 backer
->need_revalidate
= REV_RECONFIGURE
;
3217 ofport
->peer
->peer
= NULL
;
3218 ofport
->peer
= NULL
;
3221 peer_name
= netdev_vport_patch_peer(ofport
->up
.netdev
);
3226 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
3227 struct ofport
*peer_ofport
;
3228 struct ofport_dpif
*peer
;
3231 if (ofproto
->backer
!= backer
) {
3235 peer_ofport
= shash_find_data(&ofproto
->up
.port_by_name
, peer_name
);
3240 peer
= ofport_dpif_cast(peer_ofport
);
3241 peer_peer
= netdev_vport_patch_peer(peer
->up
.netdev
);
3242 if (peer_peer
&& !strcmp(netdev_get_name(ofport
->up
.netdev
),
3244 ofport
->peer
= peer
;
3245 ofport
->peer
->peer
= ofport
;
3255 port_run(struct ofport_dpif
*ofport
)
3257 long long int carrier_seq
= netdev_get_carrier_resets(ofport
->up
.netdev
);
3258 bool carrier_changed
= carrier_seq
!= ofport
->carrier_seq
;
3259 bool enable
= netdev_get_carrier(ofport
->up
.netdev
);
3260 bool cfm_enable
= false;
3261 bool bfd_enable
= false;
3263 ofport
->carrier_seq
= carrier_seq
;
3266 int cfm_opup
= cfm_get_opup(ofport
->cfm
);
3268 cfm_enable
= !cfm_get_fault(ofport
->cfm
);
3270 if (cfm_opup
>= 0) {
3271 cfm_enable
= cfm_enable
&& cfm_opup
;
3276 bfd_enable
= bfd_forwarding(ofport
->bfd
);
3279 if (ofport
->bfd
|| ofport
->cfm
) {
3280 enable
= enable
&& (cfm_enable
|| bfd_enable
);
3283 if (ofport
->bundle
) {
3284 enable
= enable
&& lacp_slave_may_enable(ofport
->bundle
->lacp
, ofport
);
3285 if (carrier_changed
) {
3286 lacp_slave_carrier_changed(ofport
->bundle
->lacp
, ofport
);
3290 if (ofport
->may_enable
!= enable
) {
3291 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3293 ofproto
->backer
->need_revalidate
= REV_PORT_TOGGLED
;
3295 if (ofport
->rstp_port
) {
3296 rstp_port_set_mac_operational(ofport
->rstp_port
, enable
);
3300 ofport
->may_enable
= enable
;
3304 port_query_by_name(const struct ofproto
*ofproto_
, const char *devname
,
3305 struct ofproto_port
*ofproto_port
)
3307 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3308 struct dpif_port dpif_port
;
3311 if (sset_contains(&ofproto
->ghost_ports
, devname
)) {
3312 const char *type
= netdev_get_type_from_name(devname
);
3314 /* We may be called before ofproto->up.port_by_name is populated with
3315 * the appropriate ofport. For this reason, we must get the name and
3316 * type from the netdev layer directly. */
3318 const struct ofport
*ofport
;
3320 ofport
= shash_find_data(&ofproto
->up
.port_by_name
, devname
);
3321 ofproto_port
->ofp_port
= ofport
? ofport
->ofp_port
: OFPP_NONE
;
3322 ofproto_port
->name
= xstrdup(devname
);
3323 ofproto_port
->type
= xstrdup(type
);
3329 if (!sset_contains(&ofproto
->ports
, devname
)) {
3332 error
= dpif_port_query_by_name(ofproto
->backer
->dpif
,
3333 devname
, &dpif_port
);
3335 ofproto_port_from_dpif_port(ofproto
, ofproto_port
, &dpif_port
);
3341 port_add(struct ofproto
*ofproto_
, struct netdev
*netdev
)
3343 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3344 const char *devname
= netdev_get_name(netdev
);
3345 char namebuf
[NETDEV_VPORT_NAME_BUFSIZE
];
3346 const char *dp_port_name
;
3348 if (netdev_vport_is_patch(netdev
)) {
3349 sset_add(&ofproto
->ghost_ports
, netdev_get_name(netdev
));
3353 dp_port_name
= netdev_vport_get_dpif_port(netdev
, namebuf
, sizeof namebuf
);
3354 if (!dpif_port_exists(ofproto
->backer
->dpif
, dp_port_name
)) {
3355 odp_port_t port_no
= ODPP_NONE
;
3358 error
= dpif_port_add(ofproto
->backer
->dpif
, netdev
, &port_no
);
3362 if (netdev_get_tunnel_config(netdev
)) {
3363 simap_put(&ofproto
->backer
->tnl_backers
,
3364 dp_port_name
, odp_to_u32(port_no
));
3368 if (netdev_get_tunnel_config(netdev
)) {
3369 sset_add(&ofproto
->ghost_ports
, devname
);
3371 sset_add(&ofproto
->ports
, devname
);
3377 port_del(struct ofproto
*ofproto_
, ofp_port_t ofp_port
)
3379 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3380 struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
3387 sset_find_and_delete(&ofproto
->ghost_ports
,
3388 netdev_get_name(ofport
->up
.netdev
));
3389 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
3390 if (!ofport
->is_tunnel
&& !netdev_vport_is_patch(ofport
->up
.netdev
)) {
3391 error
= dpif_port_del(ofproto
->backer
->dpif
, ofport
->odp_port
);
3393 /* The caller is going to close ofport->up.netdev. If this is a
3394 * bonded port, then the bond is using that netdev, so remove it
3395 * from the bond. The client will need to reconfigure everything
3396 * after deleting ports, so then the slave will get re-added. */
3397 bundle_remove(&ofport
->up
);
3404 port_get_stats(const struct ofport
*ofport_
, struct netdev_stats
*stats
)
3406 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3409 error
= netdev_get_stats(ofport
->up
.netdev
, stats
);
3411 if (!error
&& ofport_
->ofp_port
== OFPP_LOCAL
) {
3412 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
3414 ovs_mutex_lock(&ofproto
->stats_mutex
);
3415 /* ofproto->stats.tx_packets represents packets that we created
3416 * internally and sent to some port (e.g. packets sent with
3417 * ofproto_dpif_send_packet()). Account for them as if they had
3418 * come from OFPP_LOCAL and got forwarded. */
3420 if (stats
->rx_packets
!= UINT64_MAX
) {
3421 stats
->rx_packets
+= ofproto
->stats
.tx_packets
;
3424 if (stats
->rx_bytes
!= UINT64_MAX
) {
3425 stats
->rx_bytes
+= ofproto
->stats
.tx_bytes
;
3428 /* ofproto->stats.rx_packets represents packets that were received on
3429 * some port and we processed internally and dropped (e.g. STP).
3430 * Account for them as if they had been forwarded to OFPP_LOCAL. */
3432 if (stats
->tx_packets
!= UINT64_MAX
) {
3433 stats
->tx_packets
+= ofproto
->stats
.rx_packets
;
3436 if (stats
->tx_bytes
!= UINT64_MAX
) {
3437 stats
->tx_bytes
+= ofproto
->stats
.rx_bytes
;
3439 ovs_mutex_unlock(&ofproto
->stats_mutex
);
3446 port_get_lacp_stats(const struct ofport
*ofport_
, struct lacp_slave_stats
*stats
)
3448 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3449 if (ofport
->bundle
&& ofport
->bundle
->lacp
) {
3450 if (lacp_get_slave_stats(ofport
->bundle
->lacp
, ofport
, stats
)) {
3457 struct port_dump_state
{
3462 struct ofproto_port port
;
3467 port_dump_start(const struct ofproto
*ofproto_ OVS_UNUSED
, void **statep
)
3469 *statep
= xzalloc(sizeof(struct port_dump_state
));
3474 port_dump_next(const struct ofproto
*ofproto_
, void *state_
,
3475 struct ofproto_port
*port
)
3477 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3478 struct port_dump_state
*state
= state_
;
3479 const struct sset
*sset
;
3480 struct sset_node
*node
;
3482 if (state
->has_port
) {
3483 ofproto_port_destroy(&state
->port
);
3484 state
->has_port
= false;
3486 sset
= state
->ghost
? &ofproto
->ghost_ports
: &ofproto
->ports
;
3487 while ((node
= sset_at_position(sset
, &state
->bucket
, &state
->offset
))) {
3490 error
= port_query_by_name(ofproto_
, node
->name
, &state
->port
);
3492 *port
= state
->port
;
3493 state
->has_port
= true;
3495 } else if (error
!= ENODEV
) {
3500 if (!state
->ghost
) {
3501 state
->ghost
= true;
3504 return port_dump_next(ofproto_
, state_
, port
);
3511 port_dump_done(const struct ofproto
*ofproto_ OVS_UNUSED
, void *state_
)
3513 struct port_dump_state
*state
= state_
;
3515 if (state
->has_port
) {
3516 ofproto_port_destroy(&state
->port
);
3523 port_poll(const struct ofproto
*ofproto_
, char **devnamep
)
3525 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3527 if (ofproto
->port_poll_errno
) {
3528 int error
= ofproto
->port_poll_errno
;
3529 ofproto
->port_poll_errno
= 0;
3533 if (sset_is_empty(&ofproto
->port_poll_set
)) {
3537 *devnamep
= sset_pop(&ofproto
->port_poll_set
);
3542 port_poll_wait(const struct ofproto
*ofproto_
)
3544 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
3545 dpif_port_poll_wait(ofproto
->backer
->dpif
);
3549 port_is_lacp_current(const struct ofport
*ofport_
)
3551 const struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
3552 return (ofport
->bundle
&& ofport
->bundle
->lacp
3553 ? lacp_slave_is_current(ofport
->bundle
->lacp
, ofport
)
3557 /* If 'rule' is an OpenFlow rule, that has expired according to OpenFlow rules,
3558 * then delete it entirely. */
3560 rule_expire(struct rule_dpif
*rule
)
3561 OVS_REQUIRES(ofproto_mutex
)
3563 uint16_t hard_timeout
, idle_timeout
;
3564 long long int now
= time_msec();
3567 hard_timeout
= rule
->up
.hard_timeout
;
3568 idle_timeout
= rule
->up
.idle_timeout
;
3570 /* Has 'rule' expired? */
3572 long long int modified
;
3574 ovs_mutex_lock(&rule
->up
.mutex
);
3575 modified
= rule
->up
.modified
;
3576 ovs_mutex_unlock(&rule
->up
.mutex
);
3578 if (now
> modified
+ hard_timeout
* 1000) {
3579 reason
= OFPRR_HARD_TIMEOUT
;
3583 if (reason
< 0 && idle_timeout
) {
3586 ovs_mutex_lock(&rule
->stats_mutex
);
3587 used
= rule
->stats
.used
;
3588 ovs_mutex_unlock(&rule
->stats_mutex
);
3590 if (now
> used
+ idle_timeout
* 1000) {
3591 reason
= OFPRR_IDLE_TIMEOUT
;
3596 COVERAGE_INC(ofproto_dpif_expired
);
3597 ofproto_rule_expire(&rule
->up
, reason
);
3601 /* Executes, within 'ofproto', the actions in 'rule' or 'ofpacts' on 'packet'.
3602 * 'flow' must reflect the data in 'packet'. */
3604 ofproto_dpif_execute_actions(struct ofproto_dpif
*ofproto
,
3605 const struct flow
*flow
,
3606 struct rule_dpif
*rule
,
3607 const struct ofpact
*ofpacts
, size_t ofpacts_len
,
3608 struct dp_packet
*packet
)
3610 struct dpif_flow_stats stats
;
3611 struct xlate_out xout
;
3612 struct xlate_in xin
;
3614 struct dpif_execute execute
;
3617 ovs_assert((rule
!= NULL
) != (ofpacts
!= NULL
));
3619 dpif_flow_stats_extract(flow
, packet
, time_msec(), &stats
);
3622 rule_dpif_credit_stats(rule
, &stats
);
3625 xlate_in_init(&xin
, ofproto
, flow
, flow
->in_port
.ofp_port
, rule
,
3626 stats
.tcp_flags
, packet
);
3627 xin
.ofpacts
= ofpacts
;
3628 xin
.ofpacts_len
= ofpacts_len
;
3629 xin
.resubmit_stats
= &stats
;
3630 xlate_actions(&xin
, &xout
);
3632 execute
.actions
= xout
.odp_actions
->data
;
3633 execute
.actions_len
= xout
.odp_actions
->size
;
3635 pkt_metadata_from_flow(&packet
->md
, flow
);
3636 execute
.packet
= packet
;
3637 execute
.needs_help
= (xout
.slow
& SLOW_ACTION
) != 0;
3638 execute
.probe
= false;
3640 /* Fix up in_port. */
3641 in_port
= flow
->in_port
.ofp_port
;
3642 if (in_port
== OFPP_NONE
) {
3643 in_port
= OFPP_LOCAL
;
3645 execute
.packet
->md
.in_port
.odp_port
= ofp_port_to_odp_port(ofproto
, in_port
);
3647 error
= dpif_execute(ofproto
->backer
->dpif
, &execute
);
3649 xlate_out_uninit(&xout
);
3655 rule_dpif_credit_stats(struct rule_dpif
*rule
,
3656 const struct dpif_flow_stats
*stats
)
3658 ovs_mutex_lock(&rule
->stats_mutex
);
3659 rule
->stats
.n_packets
+= stats
->n_packets
;
3660 rule
->stats
.n_bytes
+= stats
->n_bytes
;
3661 rule
->stats
.used
= MAX(rule
->stats
.used
, stats
->used
);
3662 ovs_mutex_unlock(&rule
->stats_mutex
);
3666 rule_dpif_get_flow_cookie(const struct rule_dpif
*rule
)
3667 OVS_REQUIRES(rule
->up
.mutex
)
3669 return rule
->up
.flow_cookie
;
3673 rule_dpif_reduce_timeouts(struct rule_dpif
*rule
, uint16_t idle_timeout
,
3674 uint16_t hard_timeout
)
3676 ofproto_rule_reduce_timeouts(&rule
->up
, idle_timeout
, hard_timeout
);
3679 /* Returns 'rule''s actions. The returned actions are RCU-protected, and can
3680 * be read until the calling thread quiesces. */
3681 const struct rule_actions
*
3682 rule_dpif_get_actions(const struct rule_dpif
*rule
)
3684 return rule_get_actions(&rule
->up
);
3687 /* Sets 'rule''s recirculation id. */
3689 rule_dpif_set_recirc_id(struct rule_dpif
*rule
, uint32_t id
)
3690 OVS_REQUIRES(rule
->up
.mutex
)
3692 ovs_assert(!rule
->recirc_id
|| rule
->recirc_id
== id
);
3693 if (rule
->recirc_id
== id
) {
3694 /* Release the new reference to the same id. */
3697 rule
->recirc_id
= id
;
3701 /* Sets 'rule''s recirculation id. */
3703 rule_set_recirc_id(struct rule
*rule_
, uint32_t id
)
3705 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3707 ovs_mutex_lock(&rule
->up
.mutex
);
3708 rule_dpif_set_recirc_id(rule
, id
);
3709 ovs_mutex_unlock(&rule
->up
.mutex
);
3712 /* The returned rule (if any) is valid at least until the next RCU quiescent
3713 * period. If the rule needs to stay around longer, a non-zero 'take_ref'
3714 * must be passed in to cause a reference to be taken on it.
3716 * 'flow' is non-const to allow for temporary modifications during the lookup.
3717 * Any changes are restored before returning. */
3718 static struct rule_dpif
*
3719 rule_dpif_lookup_in_table(struct ofproto_dpif
*ofproto
, uint8_t table_id
,
3720 struct flow
*flow
, struct flow_wildcards
*wc
,
3723 struct classifier
*cls
= &ofproto
->up
.tables
[table_id
].cls
;
3724 const struct cls_rule
*cls_rule
;
3725 struct rule_dpif
*rule
;
3728 cls_rule
= classifier_lookup(cls
, flow
, wc
);
3730 rule
= rule_dpif_cast(rule_from_cls_rule(cls_rule
));
3732 /* Try again if the rule was released before we get the reference. */
3733 } while (rule
&& take_ref
&& !rule_dpif_try_ref(rule
));
3738 /* Look up 'flow' in 'ofproto''s classifier starting from table '*table_id'.
3739 * Returns the rule that was found, which may be one of the special rules
3740 * according to packet miss hadling. If 'may_packet_in' is false, returning of
3741 * the miss_rule (which issues packet ins for the controller) is avoided.
3742 * Updates 'wc', if nonnull, to reflect the fields that were used during the
3745 * If 'honor_table_miss' is true, the first lookup occurs in '*table_id', but
3746 * if none is found then the table miss configuration for that table is
3747 * honored, which can result in additional lookups in other OpenFlow tables.
3748 * In this case the function updates '*table_id' to reflect the final OpenFlow
3749 * table that was searched.
3751 * If 'honor_table_miss' is false, then only one table lookup occurs, in
3754 * The rule is returned in '*rule', which is valid at least until the next
3755 * RCU quiescent period. If the '*rule' needs to stay around longer,
3756 * a non-zero 'take_ref' must be passed in to cause a reference to be taken
3757 * on it before this returns.
3759 * 'in_port' allows the lookup to take place as if the in port had the value
3760 * 'in_port'. This is needed for resubmit action support.
3762 * 'flow' is non-const to allow for temporary modifications during the lookup.
3763 * Any changes are restored before returning. */
3765 rule_dpif_lookup_from_table(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
3766 struct flow_wildcards
*wc
, bool take_ref
,
3767 const struct dpif_flow_stats
*stats
,
3768 uint8_t *table_id
, ofp_port_t in_port
,
3769 bool may_packet_in
, bool honor_table_miss
)
3771 ovs_be16 old_tp_src
= flow
->tp_src
, old_tp_dst
= flow
->tp_dst
;
3772 ofp_port_t old_in_port
= flow
->in_port
.ofp_port
;
3773 enum ofputil_table_miss miss_config
;
3774 struct rule_dpif
*rule
;
3777 /* We always unwildcard nw_frag (for IP), so they
3778 * need not be unwildcarded here. */
3779 if (flow
->nw_frag
& FLOW_NW_FRAG_ANY
3780 && ofproto
->up
.frag_handling
!= OFPC_FRAG_NX_MATCH
) {
3781 if (ofproto
->up
.frag_handling
== OFPC_FRAG_NORMAL
) {
3782 /* We must pretend that transport ports are unavailable. */
3783 flow
->tp_src
= htons(0);
3784 flow
->tp_dst
= htons(0);
3786 /* Must be OFPC_FRAG_DROP (we don't have OFPC_FRAG_REASM).
3787 * Use the drop_frags_rule (which cannot disappear). */
3788 rule
= ofproto
->drop_frags_rule
;
3790 rule_dpif_ref(rule
);
3793 struct oftable
*tbl
= &ofproto
->up
.tables
[*table_id
];
3796 atomic_add_relaxed(&tbl
->n_matched
, stats
->n_packets
, &orig
);
3802 /* Look up a flow with 'in_port' as the input port. Then restore the
3803 * original input port (otherwise OFPP_NORMAL and OFPP_IN_PORT will
3804 * have surprising behavior). */
3805 flow
->in_port
.ofp_port
= in_port
;
3807 /* Our current implementation depends on n_tables == N_TABLES, and
3808 * TBL_INTERNAL being the last table. */
3809 BUILD_ASSERT_DECL(N_TABLES
== TBL_INTERNAL
+ 1);
3811 miss_config
= OFPUTIL_TABLE_MISS_CONTINUE
;
3813 for (next_id
= *table_id
;
3814 next_id
< ofproto
->up
.n_tables
;
3815 next_id
++, next_id
+= (next_id
== TBL_INTERNAL
))
3817 *table_id
= next_id
;
3818 rule
= rule_dpif_lookup_in_table(ofproto
, next_id
, flow
, wc
, take_ref
);
3820 struct oftable
*tbl
= &ofproto
->up
.tables
[next_id
];
3823 atomic_add_relaxed(rule
? &tbl
->n_matched
: &tbl
->n_missed
,
3824 stats
->n_packets
, &orig
);
3827 goto out
; /* Match. */
3829 if (honor_table_miss
) {
3830 miss_config
= ofproto_table_get_miss_config(&ofproto
->up
,
3832 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
) {
3839 rule
= ofproto
->no_packet_in_rule
;
3840 if (may_packet_in
) {
3841 if (miss_config
== OFPUTIL_TABLE_MISS_CONTINUE
3842 || miss_config
== OFPUTIL_TABLE_MISS_CONTROLLER
) {
3843 struct ofport_dpif
*port
;
3845 port
= ofp_port_to_ofport(ofproto
, old_in_port
);
3847 VLOG_WARN_RL(&rl
, "packet-in on unknown OpenFlow port %"PRIu16
,
3849 } else if (!(port
->up
.pp
.config
& OFPUTIL_PC_NO_PACKET_IN
)) {
3850 rule
= ofproto
->miss_rule
;
3852 } else if (miss_config
== OFPUTIL_TABLE_MISS_DEFAULT
&&
3853 connmgr_wants_packet_in_on_miss(ofproto
->up
.connmgr
)) {
3854 rule
= ofproto
->miss_rule
;
3858 rule_dpif_ref(rule
);
3861 /* Restore port numbers, as they may have been modified above. */
3862 flow
->tp_src
= old_tp_src
;
3863 flow
->tp_dst
= old_tp_dst
;
3864 /* Restore the old in port. */
3865 flow
->in_port
.ofp_port
= old_in_port
;
3871 complete_operation(struct rule_dpif
*rule
)
3872 OVS_REQUIRES(ofproto_mutex
)
3874 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3876 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
3879 static struct rule_dpif
*rule_dpif_cast(const struct rule
*rule
)
3881 return rule
? CONTAINER_OF(rule
, struct rule_dpif
, up
) : NULL
;
3884 static struct rule
*
3887 struct rule_dpif
*rule
= xzalloc(sizeof *rule
);
3892 rule_dealloc(struct rule
*rule_
)
3894 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3899 rule_construct(struct rule
*rule_
)
3900 OVS_NO_THREAD_SAFETY_ANALYSIS
3902 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3903 ovs_mutex_init_adaptive(&rule
->stats_mutex
);
3904 rule
->stats
.n_packets
= 0;
3905 rule
->stats
.n_bytes
= 0;
3906 rule
->stats
.used
= rule
->up
.modified
;
3907 rule
->recirc_id
= 0;
3913 rule_insert(struct rule
*rule_
)
3914 OVS_REQUIRES(ofproto_mutex
)
3916 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3917 complete_operation(rule
);
3922 rule_delete(struct rule
*rule_
)
3923 OVS_REQUIRES(ofproto_mutex
)
3925 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3926 complete_operation(rule
);
3930 rule_destruct(struct rule
*rule_
)
3932 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3934 ovs_mutex_destroy(&rule
->stats_mutex
);
3935 if (rule
->recirc_id
) {
3936 recirc_free_id(rule
->recirc_id
);
3941 rule_get_stats(struct rule
*rule_
, uint64_t *packets
, uint64_t *bytes
,
3942 long long int *used
)
3944 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3946 ovs_mutex_lock(&rule
->stats_mutex
);
3947 *packets
= rule
->stats
.n_packets
;
3948 *bytes
= rule
->stats
.n_bytes
;
3949 *used
= rule
->stats
.used
;
3950 ovs_mutex_unlock(&rule
->stats_mutex
);
3954 rule_dpif_execute(struct rule_dpif
*rule
, const struct flow
*flow
,
3955 struct dp_packet
*packet
)
3957 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(rule
->up
.ofproto
);
3959 ofproto_dpif_execute_actions(ofproto
, flow
, rule
, NULL
, 0, packet
);
3963 rule_execute(struct rule
*rule
, const struct flow
*flow
,
3964 struct dp_packet
*packet
)
3966 rule_dpif_execute(rule_dpif_cast(rule
), flow
, packet
);
3967 dp_packet_delete(packet
);
3972 rule_modify_actions(struct rule
*rule_
, bool reset_counters
)
3973 OVS_REQUIRES(ofproto_mutex
)
3975 struct rule_dpif
*rule
= rule_dpif_cast(rule_
);
3977 if (reset_counters
) {
3978 ovs_mutex_lock(&rule
->stats_mutex
);
3979 rule
->stats
.n_packets
= 0;
3980 rule
->stats
.n_bytes
= 0;
3981 ovs_mutex_unlock(&rule
->stats_mutex
);
3984 complete_operation(rule
);
3987 static struct group_dpif
*group_dpif_cast(const struct ofgroup
*group
)
3989 return group
? CONTAINER_OF(group
, struct group_dpif
, up
) : NULL
;
3992 static struct ofgroup
*
3995 struct group_dpif
*group
= xzalloc(sizeof *group
);
4000 group_dealloc(struct ofgroup
*group_
)
4002 struct group_dpif
*group
= group_dpif_cast(group_
);
4007 group_construct_stats(struct group_dpif
*group
)
4008 OVS_REQUIRES(group
->stats_mutex
)
4010 struct ofputil_bucket
*bucket
;
4011 const struct ovs_list
*buckets
;
4013 group
->packet_count
= 0;
4014 group
->byte_count
= 0;
4016 group_dpif_get_buckets(group
, &buckets
);
4017 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4018 bucket
->stats
.packet_count
= 0;
4019 bucket
->stats
.byte_count
= 0;
4024 group_dpif_credit_stats(struct group_dpif
*group
,
4025 struct ofputil_bucket
*bucket
,
4026 const struct dpif_flow_stats
*stats
)
4028 ovs_mutex_lock(&group
->stats_mutex
);
4029 group
->packet_count
+= stats
->n_packets
;
4030 group
->byte_count
+= stats
->n_bytes
;
4032 bucket
->stats
.packet_count
+= stats
->n_packets
;
4033 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4034 } else { /* Credit to all buckets */
4035 const struct ovs_list
*buckets
;
4037 group_dpif_get_buckets(group
, &buckets
);
4038 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4039 bucket
->stats
.packet_count
+= stats
->n_packets
;
4040 bucket
->stats
.byte_count
+= stats
->n_bytes
;
4043 ovs_mutex_unlock(&group
->stats_mutex
);
4047 group_construct(struct ofgroup
*group_
)
4049 struct group_dpif
*group
= group_dpif_cast(group_
);
4050 const struct ofputil_bucket
*bucket
;
4052 /* Prevent group chaining because our locking structure makes it hard to
4053 * implement deadlock-free. (See xlate_group_resource_check().) */
4054 LIST_FOR_EACH (bucket
, list_node
, &group
->up
.buckets
) {
4055 const struct ofpact
*a
;
4057 OFPACT_FOR_EACH (a
, bucket
->ofpacts
, bucket
->ofpacts_len
) {
4058 if (a
->type
== OFPACT_GROUP
) {
4059 return OFPERR_OFPGMFC_CHAINING_UNSUPPORTED
;
4064 ovs_mutex_init_adaptive(&group
->stats_mutex
);
4065 ovs_mutex_lock(&group
->stats_mutex
);
4066 group_construct_stats(group
);
4067 ovs_mutex_unlock(&group
->stats_mutex
);
4072 group_destruct(struct ofgroup
*group_
)
4074 struct group_dpif
*group
= group_dpif_cast(group_
);
4075 ovs_mutex_destroy(&group
->stats_mutex
);
4079 group_modify(struct ofgroup
*group_
)
4081 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(group_
->ofproto
);
4083 ofproto
->backer
->need_revalidate
= REV_FLOW_TABLE
;
4089 group_get_stats(const struct ofgroup
*group_
, struct ofputil_group_stats
*ogs
)
4091 struct group_dpif
*group
= group_dpif_cast(group_
);
4092 struct ofputil_bucket
*bucket
;
4093 const struct ovs_list
*buckets
;
4094 struct bucket_counter
*bucket_stats
;
4096 ovs_mutex_lock(&group
->stats_mutex
);
4097 ogs
->packet_count
= group
->packet_count
;
4098 ogs
->byte_count
= group
->byte_count
;
4100 group_dpif_get_buckets(group
, &buckets
);
4101 bucket_stats
= ogs
->bucket_stats
;
4102 LIST_FOR_EACH (bucket
, list_node
, buckets
) {
4103 bucket_stats
->packet_count
= bucket
->stats
.packet_count
;
4104 bucket_stats
->byte_count
= bucket
->stats
.byte_count
;
4107 ovs_mutex_unlock(&group
->stats_mutex
);
4112 /* If the group exists, this function increments the groups's reference count.
4114 * Make sure to call group_dpif_unref() after no longer needing to maintain
4115 * a reference to the group. */
4117 group_dpif_lookup(struct ofproto_dpif
*ofproto
, uint32_t group_id
,
4118 struct group_dpif
**group
)
4120 struct ofgroup
*ofgroup
;
4123 found
= ofproto_group_lookup(&ofproto
->up
, group_id
, &ofgroup
);
4124 *group
= found
? group_dpif_cast(ofgroup
) : NULL
;
4130 group_dpif_get_buckets(const struct group_dpif
*group
,
4131 const struct ovs_list
**buckets
)
4133 *buckets
= &group
->up
.buckets
;
4136 enum ofp11_group_type
4137 group_dpif_get_type(const struct group_dpif
*group
)
4139 return group
->up
.type
;
4143 group_dpif_get_selection_method(const struct group_dpif
*group
)
4145 return group
->up
.props
.selection_method
;
4148 /* Sends 'packet' out 'ofport'.
4149 * May modify 'packet'.
4150 * Returns 0 if successful, otherwise a positive errno value. */
4152 ofproto_dpif_send_packet(const struct ofport_dpif
*ofport
, struct dp_packet
*packet
)
4154 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport
->up
.ofproto
);
4157 error
= xlate_send_packet(ofport
, packet
);
4159 ovs_mutex_lock(&ofproto
->stats_mutex
);
4160 ofproto
->stats
.tx_packets
++;
4161 ofproto
->stats
.tx_bytes
+= dp_packet_size(packet
);
4162 ovs_mutex_unlock(&ofproto
->stats_mutex
);
4167 group_dpif_get_selection_method_param(const struct group_dpif
*group
)
4169 return group
->up
.props
.selection_method_param
;
4172 const struct field_array
*
4173 group_dpif_get_fields(const struct group_dpif
*group
)
4175 return &group
->up
.props
.fields
;
4178 /* Return the version string of the datapath that backs up
4182 get_datapath_version(const struct ofproto
*ofproto_
)
4184 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4186 return ofproto
->backer
->dp_version_string
;
4190 set_frag_handling(struct ofproto
*ofproto_
,
4191 enum ofp_config_flags frag_handling
)
4193 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4194 if (frag_handling
!= OFPC_FRAG_REASM
) {
4195 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4203 packet_out(struct ofproto
*ofproto_
, struct dp_packet
*packet
,
4204 const struct flow
*flow
,
4205 const struct ofpact
*ofpacts
, size_t ofpacts_len
)
4207 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4209 ofproto_dpif_execute_actions(ofproto
, flow
, NULL
, ofpacts
,
4210 ofpacts_len
, packet
);
4217 set_netflow(struct ofproto
*ofproto_
,
4218 const struct netflow_options
*netflow_options
)
4220 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4222 if (netflow_options
) {
4223 if (!ofproto
->netflow
) {
4224 ofproto
->netflow
= netflow_create();
4225 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4227 return netflow_set_options(ofproto
->netflow
, netflow_options
);
4228 } else if (ofproto
->netflow
) {
4229 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
4230 netflow_unref(ofproto
->netflow
);
4231 ofproto
->netflow
= NULL
;
4238 get_netflow_ids(const struct ofproto
*ofproto_
,
4239 uint8_t *engine_type
, uint8_t *engine_id
)
4241 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofproto_
);
4243 dpif_get_netflow_ids(ofproto
->backer
->dpif
, engine_type
, engine_id
);
4246 static struct ofproto_dpif
*
4247 ofproto_dpif_lookup(const char *name
)
4249 struct ofproto_dpif
*ofproto
;
4251 HMAP_FOR_EACH_WITH_HASH (ofproto
, all_ofproto_dpifs_node
,
4252 hash_string(name
, 0), &all_ofproto_dpifs
) {
4253 if (!strcmp(ofproto
->up
.name
, name
)) {
4261 ofproto_unixctl_fdb_flush(struct unixctl_conn
*conn
, int argc
,
4262 const char *argv
[], void *aux OVS_UNUSED
)
4264 struct ofproto_dpif
*ofproto
;
4267 ofproto
= ofproto_dpif_lookup(argv
[1]);
4269 unixctl_command_reply_error(conn
, "no such bridge");
4272 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4273 mac_learning_flush(ofproto
->ml
);
4274 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4276 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4277 ovs_rwlock_wrlock(&ofproto
->ml
->rwlock
);
4278 mac_learning_flush(ofproto
->ml
);
4279 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4283 unixctl_command_reply(conn
, "table successfully flushed");
4287 ofproto_unixctl_mcast_snooping_flush(struct unixctl_conn
*conn
, int argc
,
4288 const char *argv
[], void *aux OVS_UNUSED
)
4290 struct ofproto_dpif
*ofproto
;
4293 ofproto
= ofproto_dpif_lookup(argv
[1]);
4295 unixctl_command_reply_error(conn
, "no such bridge");
4299 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4300 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4303 mcast_snooping_mdb_flush(ofproto
->ms
);
4305 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4306 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4309 mcast_snooping_mdb_flush(ofproto
->ms
);
4313 unixctl_command_reply(conn
, "table successfully flushed");
4316 static struct ofport_dpif
*
4317 ofbundle_get_a_port(const struct ofbundle
*bundle
)
4319 return CONTAINER_OF(list_front(&bundle
->ports
), struct ofport_dpif
,
4324 ofproto_unixctl_fdb_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4325 const char *argv
[], void *aux OVS_UNUSED
)
4327 struct ds ds
= DS_EMPTY_INITIALIZER
;
4328 const struct ofproto_dpif
*ofproto
;
4329 const struct mac_entry
*e
;
4331 ofproto
= ofproto_dpif_lookup(argv
[1]);
4333 unixctl_command_reply_error(conn
, "no such bridge");
4337 ds_put_cstr(&ds
, " port VLAN MAC Age\n");
4338 ovs_rwlock_rdlock(&ofproto
->ml
->rwlock
);
4339 LIST_FOR_EACH (e
, lru_node
, &ofproto
->ml
->lrus
) {
4340 struct ofbundle
*bundle
= mac_entry_get_port(ofproto
->ml
, e
);
4341 char name
[OFP_MAX_PORT_NAME_LEN
];
4343 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4345 ds_put_format(&ds
, "%5s %4d "ETH_ADDR_FMT
" %3d\n",
4346 name
, e
->vlan
, ETH_ADDR_ARGS(e
->mac
),
4347 mac_entry_age(ofproto
->ml
, e
));
4349 ovs_rwlock_unlock(&ofproto
->ml
->rwlock
);
4350 unixctl_command_reply(conn
, ds_cstr(&ds
));
4355 ofproto_unixctl_mcast_snooping_show(struct unixctl_conn
*conn
,
4356 int argc OVS_UNUSED
,
4358 void *aux OVS_UNUSED
)
4360 struct ds ds
= DS_EMPTY_INITIALIZER
;
4361 const struct ofproto_dpif
*ofproto
;
4362 const struct ofbundle
*bundle
;
4363 const struct mcast_group
*grp
;
4364 struct mcast_group_bundle
*b
;
4365 struct mcast_mrouter_bundle
*mrouter
;
4367 ofproto
= ofproto_dpif_lookup(argv
[1]);
4369 unixctl_command_reply_error(conn
, "no such bridge");
4373 if (!mcast_snooping_enabled(ofproto
->ms
)) {
4374 unixctl_command_reply_error(conn
, "multicast snooping is disabled");
4378 ds_put_cstr(&ds
, " port VLAN GROUP Age\n");
4379 ovs_rwlock_rdlock(&ofproto
->ms
->rwlock
);
4380 LIST_FOR_EACH (grp
, group_node
, &ofproto
->ms
->group_lru
) {
4381 LIST_FOR_EACH(b
, bundle_node
, &grp
->bundle_lru
) {
4382 char name
[OFP_MAX_PORT_NAME_LEN
];
4385 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4387 ds_put_format(&ds
, "%5s %4d "IP_FMT
" %3d\n",
4388 name
, grp
->vlan
, IP_ARGS(grp
->ip4
),
4389 mcast_bundle_age(ofproto
->ms
, b
));
4393 /* ports connected to multicast routers */
4394 LIST_FOR_EACH(mrouter
, mrouter_node
, &ofproto
->ms
->mrouter_lru
) {
4395 char name
[OFP_MAX_PORT_NAME_LEN
];
4397 bundle
= mrouter
->port
;
4398 ofputil_port_to_string(ofbundle_get_a_port(bundle
)->up
.ofp_port
,
4400 ds_put_format(&ds
, "%5s %4d querier %3d\n",
4401 name
, mrouter
->vlan
,
4402 mcast_mrouter_age(ofproto
->ms
, mrouter
));
4404 ovs_rwlock_unlock(&ofproto
->ms
->rwlock
);
4405 unixctl_command_reply(conn
, ds_cstr(&ds
));
4410 struct xlate_out xout
;
4411 struct xlate_in xin
;
4412 const struct flow
*key
;
4414 struct flow_wildcards wc
;
4419 trace_format_rule(struct ds
*result
, int level
, const struct rule_dpif
*rule
)
4421 const struct rule_actions
*actions
;
4424 ds_put_char_multiple(result
, '\t', level
);
4426 ds_put_cstr(result
, "No match\n");
4430 ovs_mutex_lock(&rule
->up
.mutex
);
4431 cookie
= rule
->up
.flow_cookie
;
4432 ovs_mutex_unlock(&rule
->up
.mutex
);
4434 ds_put_format(result
, "Rule: table=%"PRIu8
" cookie=%#"PRIx64
" ",
4435 rule
? rule
->up
.table_id
: 0, ntohll(cookie
));
4436 cls_rule_format(&rule
->up
.cr
, result
);
4437 ds_put_char(result
, '\n');
4439 actions
= rule_dpif_get_actions(rule
);
4441 ds_put_char_multiple(result
, '\t', level
);
4442 ds_put_cstr(result
, "OpenFlow actions=");
4443 ofpacts_format(actions
->ofpacts
, actions
->ofpacts_len
, result
);
4444 ds_put_char(result
, '\n');
4448 trace_format_flow(struct ds
*result
, int level
, const char *title
,
4449 struct trace_ctx
*trace
)
4451 ds_put_char_multiple(result
, '\t', level
);
4452 ds_put_format(result
, "%s: ", title
);
4453 /* Do not report unchanged flows for resubmits. */
4454 if ((level
> 0 && flow_equal(&trace
->xin
.flow
, &trace
->flow
))
4455 || (level
== 0 && flow_equal(&trace
->xin
.flow
, trace
->key
))) {
4456 ds_put_cstr(result
, "unchanged");
4458 flow_format(result
, &trace
->xin
.flow
);
4459 trace
->flow
= trace
->xin
.flow
;
4461 ds_put_char(result
, '\n');
4465 trace_format_regs(struct ds
*result
, int level
, const char *title
,
4466 struct trace_ctx
*trace
)
4470 ds_put_char_multiple(result
, '\t', level
);
4471 ds_put_format(result
, "%s:", title
);
4472 for (i
= 0; i
< FLOW_N_REGS
; i
++) {
4473 ds_put_format(result
, " reg%"PRIuSIZE
"=0x%"PRIx32
, i
, trace
->flow
.regs
[i
]);
4475 ds_put_char(result
, '\n');
4479 trace_format_odp(struct ds
*result
, int level
, const char *title
,
4480 struct trace_ctx
*trace
)
4482 struct ofpbuf
*odp_actions
= trace
->xout
.odp_actions
;
4484 ds_put_char_multiple(result
, '\t', level
);
4485 ds_put_format(result
, "%s: ", title
);
4486 format_odp_actions(result
, odp_actions
->data
, odp_actions
->size
);
4487 ds_put_char(result
, '\n');
4491 trace_format_megaflow(struct ds
*result
, int level
, const char *title
,
4492 struct trace_ctx
*trace
)
4496 ds_put_char_multiple(result
, '\t', level
);
4497 ds_put_format(result
, "%s: ", title
);
4498 flow_wildcards_or(&trace
->wc
, &trace
->xout
.wc
, &trace
->wc
);
4499 match_init(&match
, trace
->key
, &trace
->wc
);
4500 match_format(&match
, result
, OFP_DEFAULT_PRIORITY
);
4501 ds_put_char(result
, '\n');
4504 static void trace_report(struct xlate_in
*xin
, const char *s
, int recurse
);
4507 trace_resubmit(struct xlate_in
*xin
, struct rule_dpif
*rule
, int recurse
)
4509 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4510 struct ds
*result
= trace
->result
;
4513 if (rule
== xin
->ofproto
->miss_rule
) {
4514 trace_report(xin
, "No match, flow generates \"packet in\"s.",
4516 } else if (rule
== xin
->ofproto
->no_packet_in_rule
) {
4517 trace_report(xin
, "No match, packets dropped because "
4518 "OFPPC_NO_PACKET_IN is set on in_port.", recurse
);
4519 } else if (rule
== xin
->ofproto
->drop_frags_rule
) {
4520 trace_report(xin
, "Packets dropped because they are IP "
4521 "fragments and the fragment handling mode is "
4522 "\"drop\".", recurse
);
4526 ds_put_char(result
, '\n');
4528 trace_format_flow(result
, recurse
, "Resubmitted flow", trace
);
4529 trace_format_regs(result
, recurse
, "Resubmitted regs", trace
);
4530 trace_format_odp(result
, recurse
, "Resubmitted odp", trace
);
4531 trace_format_megaflow(result
, recurse
, "Resubmitted megaflow", trace
);
4533 trace_format_rule(result
, recurse
, rule
);
4537 trace_report(struct xlate_in
*xin
, const char *s
, int recurse
)
4539 struct trace_ctx
*trace
= CONTAINER_OF(xin
, struct trace_ctx
, xin
);
4540 struct ds
*result
= trace
->result
;
4542 ds_put_char_multiple(result
, '\t', recurse
);
4543 ds_put_cstr(result
, s
);
4544 ds_put_char(result
, '\n');
4547 /* Parses the 'argc' elements of 'argv', ignoring argv[0]. The following
4548 * forms are supported:
4550 * - [dpname] odp_flow [-generate | packet]
4551 * - bridge br_flow [-generate | packet]
4553 * On success, initializes '*ofprotop' and 'flow' and returns NULL. On failure
4554 * returns a nonnull malloced error message. */
4555 static char * OVS_WARN_UNUSED_RESULT
4556 parse_flow_and_packet(int argc
, const char *argv
[],
4557 struct ofproto_dpif
**ofprotop
, struct flow
*flow
,
4558 struct dp_packet
**packetp
)
4560 const struct dpif_backer
*backer
= NULL
;
4561 const char *error
= NULL
;
4563 struct simap port_names
= SIMAP_INITIALIZER(&port_names
);
4564 struct dp_packet
*packet
;
4565 struct ofpbuf odp_key
;
4566 struct ofpbuf odp_mask
;
4568 ofpbuf_init(&odp_key
, 0);
4569 ofpbuf_init(&odp_mask
, 0);
4571 /* Handle "-generate" or a hex string as the last argument. */
4572 if (!strcmp(argv
[argc
- 1], "-generate")) {
4573 packet
= dp_packet_new(0);
4576 error
= eth_from_hex(argv
[argc
- 1], &packet
);
4579 } else if (argc
== 4) {
4580 /* The 3-argument form must end in "-generate' or a hex string. */
4586 /* odp_flow can have its in_port specified as a name instead of port no.
4587 * We do not yet know whether a given flow is a odp_flow or a br_flow.
4588 * But, to know whether a flow is odp_flow through odp_flow_from_string(),
4589 * we need to create a simap of name to port no. */
4591 const char *dp_type
;
4592 if (!strncmp(argv
[1], "ovs-", 4)) {
4593 dp_type
= argv
[1] + 4;
4597 backer
= shash_find_data(&all_dpif_backers
, dp_type
);
4598 } else if (argc
== 2) {
4599 struct shash_node
*node
;
4600 if (shash_count(&all_dpif_backers
) == 1) {
4601 node
= shash_first(&all_dpif_backers
);
4602 backer
= node
->data
;
4605 error
= "Syntax error";
4608 if (backer
&& backer
->dpif
) {
4609 struct dpif_port dpif_port
;
4610 struct dpif_port_dump port_dump
;
4611 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, backer
->dpif
) {
4612 simap_put(&port_names
, dpif_port
.name
,
4613 odp_to_u32(dpif_port
.port_no
));
4617 /* Parse the flow and determine whether a datapath or
4618 * bridge is specified. If function odp_flow_key_from_string()
4619 * returns 0, the flow is a odp_flow. If function
4620 * parse_ofp_exact_flow() returns NULL, the flow is a br_flow. */
4621 if (!odp_flow_from_string(argv
[argc
- 1], &port_names
,
4622 &odp_key
, &odp_mask
)) {
4624 error
= "Cannot find the datapath";
4628 if (odp_flow_key_to_flow(odp_key
.data
, odp_key
.size
, flow
) == ODP_FIT_ERROR
) {
4629 error
= "Failed to parse datapath flow key";
4633 *ofprotop
= xlate_lookup_ofproto(backer
, flow
,
4634 &flow
->in_port
.ofp_port
);
4635 if (*ofprotop
== NULL
) {
4636 error
= "Invalid datapath flow";
4640 vsp_adjust_flow(*ofprotop
, flow
, NULL
);
4643 char *err
= parse_ofp_exact_flow(flow
, NULL
, argv
[argc
- 1], NULL
);
4646 m_err
= xasprintf("Bad openflow flow syntax: %s", err
);
4651 error
= "Must specify bridge name";
4655 *ofprotop
= ofproto_dpif_lookup(argv
[1]);
4657 error
= "Unknown bridge name";
4663 /* Generate a packet, if requested. */
4665 if (!dp_packet_size(packet
)) {
4666 flow_compose(packet
, flow
);
4668 /* Use the metadata from the flow and the packet argument
4669 * to reconstruct the flow. */
4670 pkt_metadata_from_flow(&packet
->md
, flow
);
4671 flow_extract(packet
, flow
);
4676 if (error
&& !m_err
) {
4677 m_err
= xstrdup(error
);
4680 dp_packet_delete(packet
);
4684 ofpbuf_uninit(&odp_key
);
4685 ofpbuf_uninit(&odp_mask
);
4686 simap_destroy(&port_names
);
4691 ofproto_unixctl_trace(struct unixctl_conn
*conn
, int argc
, const char *argv
[],
4692 void *aux OVS_UNUSED
)
4694 struct ofproto_dpif
*ofproto
;
4695 struct dp_packet
*packet
;
4699 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4704 ofproto_trace(ofproto
, &flow
, packet
, NULL
, 0, &result
);
4705 unixctl_command_reply(conn
, ds_cstr(&result
));
4706 ds_destroy(&result
);
4707 dp_packet_delete(packet
);
4709 unixctl_command_reply_error(conn
, error
);
4715 ofproto_unixctl_trace_actions(struct unixctl_conn
*conn
, int argc
,
4716 const char *argv
[], void *aux OVS_UNUSED
)
4718 enum ofputil_protocol usable_protocols
;
4719 struct ofproto_dpif
*ofproto
;
4720 bool enforce_consistency
;
4721 struct ofpbuf ofpacts
;
4722 struct dp_packet
*packet
;
4727 /* Three kinds of error return values! */
4733 ofpbuf_init(&ofpacts
, 0);
4735 /* Parse actions. */
4736 error
= ofpacts_parse_actions(argv
[--argc
], &ofpacts
, &usable_protocols
);
4738 unixctl_command_reply_error(conn
, error
);
4743 /* OpenFlow 1.1 and later suggest that the switch enforces certain forms of
4744 * consistency between the flow and the actions. With -consistent, we
4745 * enforce consistency even for a flow supported in OpenFlow 1.0. */
4746 if (!strcmp(argv
[1], "-consistent")) {
4747 enforce_consistency
= true;
4751 enforce_consistency
= false;
4754 error
= parse_flow_and_packet(argc
, argv
, &ofproto
, &flow
, &packet
);
4756 unixctl_command_reply_error(conn
, error
);
4761 /* Do the same checks as handle_packet_out() in ofproto.c.
4763 * We pass a 'table_id' of 0 to ofpacts_check(), which isn't
4764 * strictly correct because these actions aren't in any table, but it's OK
4765 * because it 'table_id' is used only to check goto_table instructions, but
4766 * packet-outs take a list of actions and therefore it can't include
4769 * We skip the "meter" check here because meter is an instruction, not an
4770 * action, and thus cannot appear in ofpacts. */
4771 in_port
= ofp_to_u16(flow
.in_port
.ofp_port
);
4772 if (in_port
>= ofproto
->up
.max_ports
&& in_port
< ofp_to_u16(OFPP_MAX
)) {
4773 unixctl_command_reply_error(conn
, "invalid in_port");
4776 if (enforce_consistency
) {
4777 retval
= ofpacts_check_consistency(ofpacts
.data
, ofpacts
.size
,
4778 &flow
, u16_to_ofp(ofproto
->up
.max_ports
),
4779 0, 0, usable_protocols
);
4781 retval
= ofpacts_check(ofpacts
.data
, ofpacts
.size
, &flow
,
4782 u16_to_ofp(ofproto
->up
.max_ports
), 0, 0,
4788 ds_put_format(&result
, "Bad actions: %s", ofperr_to_string(retval
));
4789 unixctl_command_reply_error(conn
, ds_cstr(&result
));
4793 ofproto_trace(ofproto
, &flow
, packet
,
4794 ofpacts
.data
, ofpacts
.size
, &result
);
4795 unixctl_command_reply(conn
, ds_cstr(&result
));
4798 ds_destroy(&result
);
4799 dp_packet_delete(packet
);
4800 ofpbuf_uninit(&ofpacts
);
4803 /* Implements a "trace" through 'ofproto''s flow table, appending a textual
4804 * description of the results to 'ds'.
4806 * The trace follows a packet with the specified 'flow' through the flow
4807 * table. 'packet' may be nonnull to trace an actual packet, with consequent
4808 * side effects (if it is nonnull then its flow must be 'flow').
4810 * If 'ofpacts' is nonnull then its 'ofpacts_len' bytes specify the actions to
4811 * trace, otherwise the actions are determined by a flow table lookup. */
4813 ofproto_trace(struct ofproto_dpif
*ofproto
, struct flow
*flow
,
4814 const struct dp_packet
*packet
,
4815 const struct ofpact ofpacts
[], size_t ofpacts_len
,
4818 struct trace_ctx trace
;
4820 ds_put_format(ds
, "Bridge: %s\n", ofproto
->up
.name
);
4821 ds_put_cstr(ds
, "Flow: ");
4822 flow_format(ds
, flow
);
4823 ds_put_char(ds
, '\n');
4825 flow_wildcards_init_catchall(&trace
.wc
);
4828 trace
.key
= flow
; /* Original flow key, used for megaflow. */
4829 trace
.flow
= *flow
; /* May be modified by actions. */
4830 xlate_in_init(&trace
.xin
, ofproto
, flow
, flow
->in_port
.ofp_port
, NULL
,
4831 ntohs(flow
->tcp_flags
), packet
);
4832 trace
.xin
.ofpacts
= ofpacts
;
4833 trace
.xin
.ofpacts_len
= ofpacts_len
;
4834 trace
.xin
.resubmit_hook
= trace_resubmit
;
4835 trace
.xin
.report_hook
= trace_report
;
4837 xlate_actions(&trace
.xin
, &trace
.xout
);
4839 ds_put_char(ds
, '\n');
4840 trace_format_flow(ds
, 0, "Final flow", &trace
);
4841 trace_format_megaflow(ds
, 0, "Megaflow", &trace
);
4843 ds_put_cstr(ds
, "Datapath actions: ");
4844 format_odp_actions(ds
, trace
.xout
.odp_actions
->data
,
4845 trace
.xout
.odp_actions
->size
);
4847 if (trace
.xout
.slow
) {
4848 enum slow_path_reason slow
;
4850 ds_put_cstr(ds
, "\nThis flow is handled by the userspace "
4851 "slow path because it:");
4853 slow
= trace
.xout
.slow
;
4855 enum slow_path_reason bit
= rightmost_1bit(slow
);
4857 ds_put_format(ds
, "\n\t- %s.",
4858 slow_path_reason_to_explanation(bit
));
4864 xlate_out_uninit(&trace
.xout
);
4867 /* Store the current ofprotos in 'ofproto_shash'. Returns a sorted list
4868 * of the 'ofproto_shash' nodes. It is the responsibility of the caller
4869 * to destroy 'ofproto_shash' and free the returned value. */
4870 static const struct shash_node
**
4871 get_ofprotos(struct shash
*ofproto_shash
)
4873 const struct ofproto_dpif
*ofproto
;
4875 HMAP_FOR_EACH (ofproto
, all_ofproto_dpifs_node
, &all_ofproto_dpifs
) {
4876 char *name
= xasprintf("%s@%s", ofproto
->up
.type
, ofproto
->up
.name
);
4877 shash_add_nocopy(ofproto_shash
, name
, ofproto
);
4880 return shash_sort(ofproto_shash
);
4884 ofproto_unixctl_dpif_dump_dps(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4885 const char *argv
[] OVS_UNUSED
,
4886 void *aux OVS_UNUSED
)
4888 struct ds ds
= DS_EMPTY_INITIALIZER
;
4889 struct shash ofproto_shash
;
4890 const struct shash_node
**sorted_ofprotos
;
4893 shash_init(&ofproto_shash
);
4894 sorted_ofprotos
= get_ofprotos(&ofproto_shash
);
4895 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4896 const struct shash_node
*node
= sorted_ofprotos
[i
];
4897 ds_put_format(&ds
, "%s\n", node
->name
);
4900 shash_destroy(&ofproto_shash
);
4901 free(sorted_ofprotos
);
4903 unixctl_command_reply(conn
, ds_cstr(&ds
));
4908 dpif_show_backer(const struct dpif_backer
*backer
, struct ds
*ds
)
4910 const struct shash_node
**ofprotos
;
4911 struct dpif_dp_stats dp_stats
;
4912 struct shash ofproto_shash
;
4915 dpif_get_dp_stats(backer
->dpif
, &dp_stats
);
4917 ds_put_format(ds
, "%s: hit:%"PRIu64
" missed:%"PRIu64
"\n",
4918 dpif_name(backer
->dpif
), dp_stats
.n_hit
, dp_stats
.n_missed
);
4920 shash_init(&ofproto_shash
);
4921 ofprotos
= get_ofprotos(&ofproto_shash
);
4922 for (i
= 0; i
< shash_count(&ofproto_shash
); i
++) {
4923 struct ofproto_dpif
*ofproto
= ofprotos
[i
]->data
;
4924 const struct shash_node
**ports
;
4927 if (ofproto
->backer
!= backer
) {
4931 ds_put_format(ds
, "\t%s:\n", ofproto
->up
.name
);
4933 ports
= shash_sort(&ofproto
->up
.port_by_name
);
4934 for (j
= 0; j
< shash_count(&ofproto
->up
.port_by_name
); j
++) {
4935 const struct shash_node
*node
= ports
[j
];
4936 struct ofport
*ofport
= node
->data
;
4938 odp_port_t odp_port
;
4940 ds_put_format(ds
, "\t\t%s %u/", netdev_get_name(ofport
->netdev
),
4943 odp_port
= ofp_port_to_odp_port(ofproto
, ofport
->ofp_port
);
4944 if (odp_port
!= ODPP_NONE
) {
4945 ds_put_format(ds
, "%"PRIu32
":", odp_port
);
4947 ds_put_cstr(ds
, "none:");
4950 ds_put_format(ds
, " (%s", netdev_get_type(ofport
->netdev
));
4953 if (!netdev_get_config(ofport
->netdev
, &config
)) {
4954 const struct smap_node
**nodes
;
4957 nodes
= smap_sort(&config
);
4958 for (i
= 0; i
< smap_count(&config
); i
++) {
4959 const struct smap_node
*node
= nodes
[i
];
4960 ds_put_format(ds
, "%c %s=%s", i
? ',' : ':',
4961 node
->key
, node
->value
);
4965 smap_destroy(&config
);
4967 ds_put_char(ds
, ')');
4968 ds_put_char(ds
, '\n');
4972 shash_destroy(&ofproto_shash
);
4977 ofproto_unixctl_dpif_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
4978 const char *argv
[] OVS_UNUSED
, void *aux OVS_UNUSED
)
4980 struct ds ds
= DS_EMPTY_INITIALIZER
;
4981 const struct shash_node
**backers
;
4984 backers
= shash_sort(&all_dpif_backers
);
4985 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
4986 dpif_show_backer(backers
[i
]->data
, &ds
);
4990 unixctl_command_reply(conn
, ds_cstr(&ds
));
4995 ofproto_unixctl_dpif_dump_flows(struct unixctl_conn
*conn
,
4996 int argc OVS_UNUSED
, const char *argv
[],
4997 void *aux OVS_UNUSED
)
4999 const struct ofproto_dpif
*ofproto
;
5001 struct ds ds
= DS_EMPTY_INITIALIZER
;
5002 bool verbosity
= false;
5004 struct dpif_port dpif_port
;
5005 struct dpif_port_dump port_dump
;
5006 struct hmap portno_names
;
5008 struct dpif_flow_dump
*flow_dump
;
5009 struct dpif_flow_dump_thread
*flow_dump_thread
;
5013 ofproto
= ofproto_dpif_lookup(argv
[argc
- 1]);
5015 unixctl_command_reply_error(conn
, "no such bridge");
5019 if (argc
> 2 && !strcmp(argv
[1], "-m")) {
5023 hmap_init(&portno_names
);
5024 DPIF_PORT_FOR_EACH (&dpif_port
, &port_dump
, ofproto
->backer
->dpif
) {
5025 odp_portno_names_set(&portno_names
, dpif_port
.port_no
, dpif_port
.name
);
5029 flow_dump
= dpif_flow_dump_create(ofproto
->backer
->dpif
, false);
5030 flow_dump_thread
= dpif_flow_dump_thread_create(flow_dump
);
5031 while (dpif_flow_dump_next(flow_dump_thread
, &f
, 1)) {
5034 if (odp_flow_key_to_flow(f
.key
, f
.key_len
, &flow
) == ODP_FIT_ERROR
5035 || xlate_lookup_ofproto(ofproto
->backer
, &flow
, NULL
) != ofproto
) {
5040 odp_format_ufid(&f
.ufid
, &ds
);
5041 ds_put_cstr(&ds
, " ");
5043 odp_flow_format(f
.key
, f
.key_len
, f
.mask
, f
.mask_len
,
5044 &portno_names
, &ds
, verbosity
);
5045 ds_put_cstr(&ds
, ", ");
5046 dpif_flow_stats_format(&f
.stats
, &ds
);
5047 ds_put_cstr(&ds
, ", actions:");
5048 format_odp_actions(&ds
, f
.actions
, f
.actions_len
);
5049 ds_put_char(&ds
, '\n');
5051 dpif_flow_dump_thread_destroy(flow_dump_thread
);
5052 error
= dpif_flow_dump_destroy(flow_dump
);
5056 ds_put_format(&ds
, "dpif/dump_flows failed: %s", ovs_strerror(errno
));
5057 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
5059 unixctl_command_reply(conn
, ds_cstr(&ds
));
5061 odp_portno_names_destroy(&portno_names
);
5062 hmap_destroy(&portno_names
);
5067 ofproto_revalidate_all_backers(void)
5069 const struct shash_node
**backers
;
5072 backers
= shash_sort(&all_dpif_backers
);
5073 for (i
= 0; i
< shash_count(&all_dpif_backers
); i
++) {
5074 struct dpif_backer
*backer
= backers
[i
]->data
;
5075 backer
->need_revalidate
= REV_RECONFIGURE
;
5081 disable_tnl_push_pop(struct unixctl_conn
*conn OVS_UNUSED
, int argc OVS_UNUSED
,
5082 const char *argv
[], void *aux OVS_UNUSED
)
5084 if (!strcasecmp(argv
[1], "off")) {
5085 ofproto_use_tnl_push_pop
= false;
5086 unixctl_command_reply(conn
, "Tunnel push-pop off");
5087 ofproto_revalidate_all_backers();
5088 } else if (!strcasecmp(argv
[1], "on")) {
5089 ofproto_use_tnl_push_pop
= true;
5090 unixctl_command_reply(conn
, "Tunnel push-pop on");
5091 ofproto_revalidate_all_backers();
5096 ofproto_unixctl_init(void)
5098 static bool registered
;
5104 unixctl_command_register(
5106 "{[dp_name] odp_flow | bridge br_flow} [-generate|packet]",
5107 1, 3, ofproto_unixctl_trace
, NULL
);
5108 unixctl_command_register(
5109 "ofproto/trace-packet-out",
5110 "[-consistent] {[dp_name] odp_flow | bridge br_flow} [-generate|packet] actions",
5111 2, 6, ofproto_unixctl_trace_actions
, NULL
);
5112 unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
5113 ofproto_unixctl_fdb_flush
, NULL
);
5114 unixctl_command_register("fdb/show", "bridge", 1, 1,
5115 ofproto_unixctl_fdb_show
, NULL
);
5116 unixctl_command_register("mdb/flush", "[bridge]", 0, 1,
5117 ofproto_unixctl_mcast_snooping_flush
, NULL
);
5118 unixctl_command_register("mdb/show", "bridge", 1, 1,
5119 ofproto_unixctl_mcast_snooping_show
, NULL
);
5120 unixctl_command_register("dpif/dump-dps", "", 0, 0,
5121 ofproto_unixctl_dpif_dump_dps
, NULL
);
5122 unixctl_command_register("dpif/show", "", 0, 0, ofproto_unixctl_dpif_show
,
5124 unixctl_command_register("dpif/dump-flows", "[-m] bridge", 1, 2,
5125 ofproto_unixctl_dpif_dump_flows
, NULL
);
5127 unixctl_command_register("ofproto/tnl-push-pop", "[on]|[off]", 1, 1,
5128 disable_tnl_push_pop
, NULL
);
5131 /* Returns true if 'table' is the table used for internal rules,
5132 * false otherwise. */
5134 table_is_internal(uint8_t table_id
)
5136 return table_id
== TBL_INTERNAL
;
5139 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
5141 * This is deprecated. It is only for compatibility with broken device drivers
5142 * in old versions of Linux that do not properly support VLANs when VLAN
5143 * devices are not used. When broken device drivers are no longer in
5144 * widespread use, we will delete these interfaces. */
5147 set_realdev(struct ofport
*ofport_
, ofp_port_t realdev_ofp_port
, int vid
)
5149 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(ofport_
->ofproto
);
5150 struct ofport_dpif
*ofport
= ofport_dpif_cast(ofport_
);
5152 if (realdev_ofp_port
== ofport
->realdev_ofp_port
5153 && vid
== ofport
->vlandev_vid
) {
5157 ofproto
->backer
->need_revalidate
= REV_RECONFIGURE
;
5159 if (ofport
->realdev_ofp_port
) {
5162 if (realdev_ofp_port
&& ofport
->bundle
) {
5163 /* vlandevs are enslaved to their realdevs, so they are not allowed to
5164 * themselves be part of a bundle. */
5165 bundle_set(ofport_
->ofproto
, ofport
->bundle
, NULL
);
5168 ofport
->realdev_ofp_port
= realdev_ofp_port
;
5169 ofport
->vlandev_vid
= vid
;
5171 if (realdev_ofp_port
) {
5172 vsp_add(ofport
, realdev_ofp_port
, vid
);
5179 hash_realdev_vid(ofp_port_t realdev_ofp_port
, int vid
)
5181 return hash_2words(ofp_to_u16(realdev_ofp_port
), vid
);
5185 ofproto_has_vlan_splinters(const struct ofproto_dpif
*ofproto
)
5186 OVS_EXCLUDED(ofproto
->vsp_mutex
)
5188 /* hmap_is_empty is thread safe. */
5189 return !hmap_is_empty(&ofproto
->realdev_vid_map
);
5194 vsp_realdev_to_vlandev__(const struct ofproto_dpif
*ofproto
,
5195 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
5196 OVS_REQUIRES(ofproto
->vsp_mutex
)
5198 if (!hmap_is_empty(&ofproto
->realdev_vid_map
)) {
5199 int vid
= vlan_tci_to_vid(vlan_tci
);
5200 const struct vlan_splinter
*vsp
;
5202 HMAP_FOR_EACH_WITH_HASH (vsp
, realdev_vid_node
,
5203 hash_realdev_vid(realdev_ofp_port
, vid
),
5204 &ofproto
->realdev_vid_map
) {
5205 if (vsp
->realdev_ofp_port
== realdev_ofp_port
5206 && vsp
->vid
== vid
) {
5207 return vsp
->vlandev_ofp_port
;
5211 return realdev_ofp_port
;
5214 /* Returns the OFP port number of the Linux VLAN device that corresponds to
5215 * 'vlan_tci' on the network device with port number 'realdev_ofp_port' in
5216 * 'struct ofport_dpif'. For example, given 'realdev_ofp_port' of eth0 and
5217 * 'vlan_tci' 9, it would return the port number of eth0.9.
5219 * Unless VLAN splinters are enabled for port 'realdev_ofp_port', this
5220 * function just returns its 'realdev_ofp_port' argument. */
5222 vsp_realdev_to_vlandev(const struct ofproto_dpif
*ofproto
,
5223 ofp_port_t realdev_ofp_port
, ovs_be16 vlan_tci
)
5224 OVS_EXCLUDED(ofproto
->vsp_mutex
)
5228 /* hmap_is_empty is thread safe, see if we can return immediately. */
5229 if (hmap_is_empty(&ofproto
->realdev_vid_map
)) {
5230 return realdev_ofp_port
;
5232 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5233 ret
= vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, vlan_tci
);
5234 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5238 static struct vlan_splinter
*
5239 vlandev_find(const struct ofproto_dpif
*ofproto
, ofp_port_t vlandev_ofp_port
)
5241 struct vlan_splinter
*vsp
;
5243 HMAP_FOR_EACH_WITH_HASH (vsp
, vlandev_node
,
5244 hash_ofp_port(vlandev_ofp_port
),
5245 &ofproto
->vlandev_map
) {
5246 if (vsp
->vlandev_ofp_port
== vlandev_ofp_port
) {
5254 /* Returns the OpenFlow port number of the "real" device underlying the Linux
5255 * VLAN device with OpenFlow port number 'vlandev_ofp_port' and stores the
5256 * VLAN VID of the Linux VLAN device in '*vid'. For example, given
5257 * 'vlandev_ofp_port' of eth0.9, it would return the OpenFlow port number of
5258 * eth0 and store 9 in '*vid'.
5260 * Returns 0 and does not modify '*vid' if 'vlandev_ofp_port' is not a Linux
5261 * VLAN device. Unless VLAN splinters are enabled, this is what this function
5264 vsp_vlandev_to_realdev(const struct ofproto_dpif
*ofproto
,
5265 ofp_port_t vlandev_ofp_port
, int *vid
)
5266 OVS_REQUIRES(ofproto
->vsp_mutex
)
5268 if (!hmap_is_empty(&ofproto
->vlandev_map
)) {
5269 const struct vlan_splinter
*vsp
;
5271 vsp
= vlandev_find(ofproto
, vlandev_ofp_port
);
5276 return vsp
->realdev_ofp_port
;
5282 /* Given 'flow', a flow representing a packet received on 'ofproto', checks
5283 * whether 'flow->in_port' represents a Linux VLAN device. If so, changes
5284 * 'flow->in_port' to the "real" device backing the VLAN device, sets
5285 * 'flow->vlan_tci' to the VLAN VID, and returns true. Optionally pushes the
5286 * appropriate VLAN on 'packet' if provided. Otherwise (which is always the
5287 * case unless VLAN splinters are enabled), returns false without making any
5290 vsp_adjust_flow(const struct ofproto_dpif
*ofproto
, struct flow
*flow
,
5291 struct dp_packet
*packet
)
5292 OVS_EXCLUDED(ofproto
->vsp_mutex
)
5297 /* hmap_is_empty is thread safe. */
5298 if (hmap_is_empty(&ofproto
->vlandev_map
)) {
5302 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5303 realdev
= vsp_vlandev_to_realdev(ofproto
, flow
->in_port
.ofp_port
, &vid
);
5304 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5309 /* Cause the flow to be processed as if it came in on the real device with
5310 * the VLAN device's VLAN ID. */
5311 flow
->in_port
.ofp_port
= realdev
;
5312 flow
->vlan_tci
= htons((vid
& VLAN_VID_MASK
) | VLAN_CFI
);
5315 /* Make the packet resemble the flow, so that it gets sent to an
5316 * OpenFlow controller properly, so that it looks correct for sFlow,
5317 * and so that flow_extract() will get the correct vlan_tci if it is
5318 * called on 'packet'. */
5319 eth_push_vlan(packet
, htons(ETH_TYPE_VLAN
), flow
->vlan_tci
);
5326 vsp_remove(struct ofport_dpif
*port
)
5328 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
5329 struct vlan_splinter
*vsp
;
5331 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5332 vsp
= vlandev_find(ofproto
, port
->up
.ofp_port
);
5334 hmap_remove(&ofproto
->vlandev_map
, &vsp
->vlandev_node
);
5335 hmap_remove(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
);
5338 port
->realdev_ofp_port
= 0;
5340 VLOG_ERR("missing vlan device record");
5342 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5346 vsp_add(struct ofport_dpif
*port
, ofp_port_t realdev_ofp_port
, int vid
)
5348 struct ofproto_dpif
*ofproto
= ofproto_dpif_cast(port
->up
.ofproto
);
5350 ovs_mutex_lock(&ofproto
->vsp_mutex
);
5351 if (!vsp_vlandev_to_realdev(ofproto
, port
->up
.ofp_port
, NULL
)
5352 && (vsp_realdev_to_vlandev__(ofproto
, realdev_ofp_port
, htons(vid
))
5353 == realdev_ofp_port
)) {
5354 struct vlan_splinter
*vsp
;
5356 vsp
= xmalloc(sizeof *vsp
);
5357 vsp
->realdev_ofp_port
= realdev_ofp_port
;
5358 vsp
->vlandev_ofp_port
= port
->up
.ofp_port
;
5361 port
->realdev_ofp_port
= realdev_ofp_port
;
5363 hmap_insert(&ofproto
->vlandev_map
, &vsp
->vlandev_node
,
5364 hash_ofp_port(port
->up
.ofp_port
));
5365 hmap_insert(&ofproto
->realdev_vid_map
, &vsp
->realdev_vid_node
,
5366 hash_realdev_vid(realdev_ofp_port
, vid
));
5368 VLOG_ERR("duplicate vlan device record");
5370 ovs_mutex_unlock(&ofproto
->vsp_mutex
);
5374 ofp_port_to_odp_port(const struct ofproto_dpif
*ofproto
, ofp_port_t ofp_port
)
5376 const struct ofport_dpif
*ofport
= ofp_port_to_ofport(ofproto
, ofp_port
);
5377 return ofport
? ofport
->odp_port
: ODPP_NONE
;
5380 struct ofport_dpif
*
5381 odp_port_to_ofport(const struct dpif_backer
*backer
, odp_port_t odp_port
)
5383 struct ofport_dpif
*port
;
5385 ovs_rwlock_rdlock(&backer
->odp_to_ofport_lock
);
5386 HMAP_FOR_EACH_IN_BUCKET (port
, odp_port_node
, hash_odp_port(odp_port
),
5387 &backer
->odp_to_ofport_map
) {
5388 if (port
->odp_port
== odp_port
) {
5389 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5394 ovs_rwlock_unlock(&backer
->odp_to_ofport_lock
);
5399 odp_port_to_ofp_port(const struct ofproto_dpif
*ofproto
, odp_port_t odp_port
)
5401 struct ofport_dpif
*port
;
5403 port
= odp_port_to_ofport(ofproto
->backer
, odp_port
);
5404 if (port
&& &ofproto
->up
== port
->up
.ofproto
) {
5405 return port
->up
.ofp_port
;
5412 ofproto_dpif_add_internal_flow(struct ofproto_dpif
*ofproto
,
5413 const struct match
*match
, int priority
,
5414 uint16_t idle_timeout
,
5415 const struct ofpbuf
*ofpacts
,
5416 struct rule
**rulep
)
5418 struct ofputil_flow_mod fm
;
5419 struct rule_dpif
*rule
;
5423 fm
.priority
= priority
;
5424 fm
.new_cookie
= htonll(0);
5425 fm
.cookie
= htonll(0);
5426 fm
.cookie_mask
= htonll(0);
5427 fm
.modify_cookie
= false;
5428 fm
.table_id
= TBL_INTERNAL
;
5429 fm
.command
= OFPFC_ADD
;
5430 fm
.idle_timeout
= idle_timeout
;
5431 fm
.hard_timeout
= 0;
5435 fm
.flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
;
5436 fm
.ofpacts
= ofpacts
->data
;
5437 fm
.ofpacts_len
= ofpacts
->size
;
5439 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5441 VLOG_ERR_RL(&rl
, "failed to add internal flow (%s)",
5442 ofperr_to_string(error
));
5447 rule
= rule_dpif_lookup_in_table(ofproto
, TBL_INTERNAL
, &fm
.match
.flow
,
5448 &fm
.match
.wc
, false);
5458 ofproto_dpif_delete_internal_flow(struct ofproto_dpif
*ofproto
,
5459 struct match
*match
, int priority
)
5461 struct ofputil_flow_mod fm
;
5465 fm
.priority
= priority
;
5466 fm
.new_cookie
= htonll(0);
5467 fm
.cookie
= htonll(0);
5468 fm
.cookie_mask
= htonll(0);
5469 fm
.modify_cookie
= false;
5470 fm
.table_id
= TBL_INTERNAL
;
5471 fm
.flags
= OFPUTIL_FF_HIDDEN_FIELDS
| OFPUTIL_FF_NO_READONLY
;
5472 fm
.command
= OFPFC_DELETE_STRICT
;
5474 error
= ofproto_flow_mod(&ofproto
->up
, &fm
);
5476 VLOG_ERR_RL(&rl
, "failed to delete internal flow (%s)",
5477 ofperr_to_string(error
));
5484 const struct ofproto_class ofproto_dpif_class
= {
5498 NULL
, /* get_memory_usage. */
5499 type_get_memory_usage
,
5517 port_is_lacp_current
,
5518 port_get_lacp_stats
,
5519 NULL
, /* rule_choose_table */
5528 NULL
, /* rule_premodify_actions */
5529 rule_modify_actions
,
5545 aa_vlan_get_queue_size
,
5552 get_stp_port_status
,
5557 get_rstp_port_status
,
5564 is_mirror_output_bundle
,
5565 forward_bpdu_changed
,
5566 set_mac_table_config
,
5568 set_mcast_snooping_port
,
5570 NULL
, /* meter_get_features */
5571 NULL
, /* meter_set */
5572 NULL
, /* meter_get */
5573 NULL
, /* meter_del */
5574 group_alloc
, /* group_alloc */
5575 group_construct
, /* group_construct */
5576 group_destruct
, /* group_destruct */
5577 group_dealloc
, /* group_dealloc */
5578 group_modify
, /* group_modify */
5579 group_get_stats
, /* group_get_stats */
5580 get_datapath_version
, /* get_datapath_version */