1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
21 #include "async-append.h"
28 #include "dynamic-string.h"
35 #include "mac-learning.h"
36 #include "meta-flow.h"
38 #include "ofp-print.h"
41 #include "ofproto/bond.h"
42 #include "ofproto/ofproto.h"
43 #include "poll-loop.h"
47 #include "socket-util.h"
49 #include "stream-ssl.h"
51 #include "system-stats.h"
56 #include "lib/vswitch-idl.h"
57 #include "xenserver.h"
59 #include "sflow_api.h"
60 #include "vlan-bitmap.h"
62 VLOG_DEFINE_THIS_MODULE(bridge
);
64 COVERAGE_DEFINE(bridge_reconfigure
);
66 /* Configuration of an uninstantiated iface. */
68 struct hmap_node hmap_node
; /* Node in bridge's if_cfg_todo. */
69 const struct ovsrec_interface
*cfg
; /* Interface record. */
70 const struct ovsrec_port
*parent
; /* Parent port record. */
71 ofp_port_t ofport
; /* Requested OpenFlow port number. */
74 /* OpenFlow port slated for removal from ofproto. */
76 struct list list_node
; /* Node in bridge's ofpp_garbage. */
77 ofp_port_t ofp_port
; /* Port to be deleted. */
81 /* These members are always valid. */
82 struct list port_elem
; /* Element in struct port's "ifaces" list. */
83 struct hmap_node name_node
; /* In struct bridge's "iface_by_name" hmap. */
84 struct port
*port
; /* Containing port. */
85 char *name
; /* Host network device name. */
87 /* These members are valid only after bridge_reconfigure() causes them to
89 struct hmap_node ofp_port_node
; /* In struct bridge's "ifaces" hmap. */
90 ofp_port_t ofp_port
; /* OpenFlow port number, */
91 /* OFPP_NONE if unknown. */
92 struct netdev
*netdev
; /* Network device. */
93 const char *type
; /* Usually same as cfg->type. */
94 const struct ovsrec_interface
*cfg
;
98 struct uuid uuid
; /* UUID of this "mirror" record in database. */
99 struct hmap_node hmap_node
; /* In struct bridge's "mirrors" hmap. */
100 struct bridge
*bridge
;
102 const struct ovsrec_mirror
*cfg
;
106 struct hmap_node hmap_node
; /* Element in struct bridge's "ports" hmap. */
107 struct bridge
*bridge
;
110 const struct ovsrec_port
*cfg
;
112 /* An ordinary bridge port has 1 interface.
113 * A bridge port for bonding has at least 2 interfaces. */
114 struct list ifaces
; /* List of "struct iface"s. */
118 struct hmap_node node
; /* In 'all_bridges'. */
119 char *name
; /* User-specified arbitrary name. */
120 char *type
; /* Datapath type. */
121 uint8_t ea
[ETH_ADDR_LEN
]; /* Bridge Ethernet Address. */
122 uint8_t default_ea
[ETH_ADDR_LEN
]; /* Default MAC. */
123 const struct ovsrec_bridge
*cfg
;
125 /* OpenFlow switch processing. */
126 struct ofproto
*ofproto
; /* OpenFlow switch. */
129 struct hmap ports
; /* "struct port"s indexed by name. */
130 struct hmap ifaces
; /* "struct iface"s indexed by ofp_port. */
131 struct hmap iface_by_name
; /* "struct iface"s indexed by name. */
133 struct list ofpp_garbage
; /* "struct ofpp_garbage" slated for removal. */
134 struct hmap if_cfg_todo
; /* "struct if_cfg"s slated for creation.
135 Indexed on 'cfg->name'. */
137 /* Port mirroring. */
138 struct hmap mirrors
; /* "struct mirror" indexed by UUID. */
140 /* Synthetic local port if necessary. */
141 struct ovsrec_port synth_local_port
;
142 struct ovsrec_interface synth_local_iface
;
143 struct ovsrec_interface
*synth_local_ifacep
;
146 /* All bridges, indexed by name. */
147 static struct hmap all_bridges
= HMAP_INITIALIZER(&all_bridges
);
149 /* OVSDB IDL used to obtain configuration. */
150 static struct ovsdb_idl
*idl
;
152 /* We want to complete daemonization, fully detaching from our parent process,
153 * only after we have completed our initial configuration, committed our state
154 * to the database, and received confirmation back from the database server
155 * that it applied the commit. This allows our parent process to know that,
156 * post-detach, ephemeral fields such as datapath-id and ofport are very likely
157 * to have already been filled in. (It is only "very likely" rather than
158 * certain because there is always a slim possibility that the transaction will
159 * fail or that some other client has added new bridges, ports, etc. while
160 * ovs-vswitchd was configuring using an old configuration.)
162 * We only need to do this once for our initial configuration at startup, so
163 * 'initial_config_done' tracks whether we've already done it. While we are
164 * waiting for a response to our commit, 'daemonize_txn' tracks the transaction
165 * itself and is otherwise NULL. */
166 static bool initial_config_done
;
167 static struct ovsdb_idl_txn
*daemonize_txn
;
169 /* Most recently processed IDL sequence number. */
170 static unsigned int idl_seqno
;
172 /* Each time this timer expires, the bridge fetches interface and mirror
173 * statistics and pushes them into the database. */
174 #define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
175 static long long int iface_stats_timer
= LLONG_MIN
;
177 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
178 * expensive. This can cause bridge_reconfigure() to take a long time during
179 * which no other work can be done. To deal with this problem, we limit port
180 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
181 * call to bridge_reconfigure(). If there is more work to do after the limit
182 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
183 * This allows the rest of the code to catch up on important things like
184 * forwarding packets. */
185 #define OFP_PORT_ACTION_WINDOW 10
186 static bool reconfiguring
= false;
188 static void add_del_bridges(const struct ovsrec_open_vswitch
*);
189 static void bridge_update_ofprotos(void);
190 static void bridge_create(const struct ovsrec_bridge
*);
191 static void bridge_destroy(struct bridge
*);
192 static struct bridge
*bridge_lookup(const char *name
);
193 static unixctl_cb_func bridge_unixctl_dump_flows
;
194 static unixctl_cb_func bridge_unixctl_reconnect
;
195 static size_t bridge_get_controllers(const struct bridge
*br
,
196 struct ovsrec_controller
***controllersp
);
197 static void bridge_add_del_ports(struct bridge
*,
198 const unsigned long int *splinter_vlans
);
199 static void bridge_refresh_ofp_port(struct bridge
*);
200 static void bridge_configure_flow_miss_model(const char *opt
);
201 static void bridge_configure_datapath_id(struct bridge
*);
202 static void bridge_configure_netflow(struct bridge
*);
203 static void bridge_configure_forward_bpdu(struct bridge
*);
204 static void bridge_configure_mac_table(struct bridge
*);
205 static void bridge_configure_sflow(struct bridge
*, int *sflow_bridge_number
);
206 static void bridge_configure_ipfix(struct bridge
*);
207 static void bridge_configure_stp(struct bridge
*);
208 static void bridge_configure_tables(struct bridge
*);
209 static void bridge_configure_dp_desc(struct bridge
*);
210 static void bridge_configure_remotes(struct bridge
*,
211 const struct sockaddr_in
*managers
,
213 static void bridge_pick_local_hw_addr(struct bridge
*,
214 uint8_t ea
[ETH_ADDR_LEN
],
215 struct iface
**hw_addr_iface
);
216 static uint64_t bridge_pick_datapath_id(struct bridge
*,
217 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
218 struct iface
*hw_addr_iface
);
219 static void bridge_queue_if_cfg(struct bridge
*,
220 const struct ovsrec_interface
*,
221 const struct ovsrec_port
*);
222 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
223 static bool bridge_has_bond_fake_iface(const struct bridge
*,
225 static bool port_is_bond_fake_iface(const struct port
*);
227 static unixctl_cb_func qos_unixctl_show
;
229 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
230 static void port_del_ifaces(struct port
*);
231 static void port_destroy(struct port
*);
232 static struct port
*port_lookup(const struct bridge
*, const char *name
);
233 static void port_configure(struct port
*);
234 static struct lacp_settings
*port_configure_lacp(struct port
*,
235 struct lacp_settings
*);
236 static void port_configure_bond(struct port
*, struct bond_settings
*);
237 static bool port_is_synthetic(const struct port
*);
239 static void reconfigure_system_stats(const struct ovsrec_open_vswitch
*);
240 static void run_system_stats(void);
242 static void bridge_configure_mirrors(struct bridge
*);
243 static struct mirror
*mirror_create(struct bridge
*,
244 const struct ovsrec_mirror
*);
245 static void mirror_destroy(struct mirror
*);
246 static bool mirror_configure(struct mirror
*);
247 static void mirror_refresh_stats(struct mirror
*);
249 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
250 static bool iface_create(struct bridge
*, struct if_cfg
*,
251 ofp_port_t ofp_port
);
252 static bool iface_is_internal(const struct ovsrec_interface
*iface
,
253 const struct ovsrec_bridge
*br
);
254 static const char *iface_get_type(const struct ovsrec_interface
*,
255 const struct ovsrec_bridge
*);
256 static void iface_destroy(struct iface
*);
257 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
258 static struct iface
*iface_find(const char *name
);
259 static struct if_cfg
*if_cfg_lookup(const struct bridge
*, const char *name
);
260 static struct iface
*iface_from_ofp_port(const struct bridge
*,
261 ofp_port_t ofp_port
);
262 static void iface_set_mac(struct iface
*);
263 static void iface_set_ofport(const struct ovsrec_interface
*, ofp_port_t ofport
);
264 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
);
265 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
266 static void iface_configure_cfm(struct iface
*);
267 static void iface_refresh_cfm_stats(struct iface
*);
268 static void iface_refresh_stats(struct iface
*);
269 static void iface_refresh_status(struct iface
*);
270 static bool iface_is_synthetic(const struct iface
*);
271 static ofp_port_t
iface_pick_ofport(const struct ovsrec_interface
*);
273 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
275 * This is deprecated. It is only for compatibility with broken device drivers
276 * in old versions of Linux that do not properly support VLANs when VLAN
277 * devices are not used. When broken device drivers are no longer in
278 * widespread use, we will delete these interfaces. */
280 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
281 static bool vlan_splinters_enabled_anywhere
;
283 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
284 static unsigned long int *collect_splinter_vlans(
285 const struct ovsrec_open_vswitch
*);
286 static void configure_splinter_port(struct port
*);
287 static void add_vlan_splinter_ports(struct bridge
*,
288 const unsigned long int *splinter_vlans
,
289 struct shash
*ports
);
292 bridge_init_ofproto(const struct ovsrec_open_vswitch
*cfg
)
294 struct shash iface_hints
;
295 static bool initialized
= false;
302 shash_init(&iface_hints
);
305 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
306 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
309 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
310 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
313 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
314 struct ovsrec_interface
*if_cfg
= port_cfg
->interfaces
[k
];
315 struct iface_hint
*iface_hint
;
317 iface_hint
= xmalloc(sizeof *iface_hint
);
318 iface_hint
->br_name
= br_cfg
->name
;
319 iface_hint
->br_type
= br_cfg
->datapath_type
;
320 iface_hint
->ofp_port
= iface_pick_ofport(if_cfg
);
322 shash_add(&iface_hints
, if_cfg
->name
, iface_hint
);
328 ofproto_init(&iface_hints
);
330 shash_destroy_free_data(&iface_hints
);
334 /* Public functions. */
336 /* Initializes the bridge module, configuring it to obtain its configuration
337 * from an OVSDB server accessed over 'remote', which should be a string in a
338 * form acceptable to ovsdb_idl_create(). */
340 bridge_init(const char *remote
)
342 /* Create connection to database. */
343 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true, true);
344 idl_seqno
= ovsdb_idl_get_seqno(idl
);
345 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
346 ovsdb_idl_verify_write_only(idl
);
348 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
349 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
350 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
351 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
352 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
353 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
354 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
356 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
357 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
358 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
360 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
361 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
362 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
363 ovsdb_idl_omit(idl
, &ovsrec_port_col_fake_bridge
);
365 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
366 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
367 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
368 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
369 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
370 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mac_in_use
);
371 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ifindex
);
372 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
373 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
374 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
375 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
376 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
377 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
378 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
379 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_flap_count
);
380 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_health
);
381 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_opstate
);
382 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_bfd_status
);
383 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
384 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
386 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
387 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
388 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
389 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
391 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
393 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
395 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
396 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
398 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
399 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
400 ovsdb_idl_omit(idl
, &ovsrec_ipfix_col_external_ids
);
401 ovsdb_idl_omit(idl
, &ovsrec_flow_sample_collector_set_col_external_ids
);
403 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
404 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
405 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
406 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
407 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
409 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
411 /* Register unixctl commands. */
412 unixctl_command_register("qos/show", "interface", 1, 1,
413 qos_unixctl_show
, NULL
);
414 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
415 bridge_unixctl_dump_flows
, NULL
);
416 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
417 bridge_unixctl_reconnect
, NULL
);
427 struct bridge
*br
, *next_br
;
429 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
432 ovsdb_idl_destroy(idl
);
435 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
436 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
437 * responsible for freeing '*managersp' (with free()).
439 * You may be asking yourself "why does ovs-vswitchd care?", because
440 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
441 * should not be and in fact is not directly involved in that. But
442 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
443 * it has to tell in-band control where the managers are to enable that.
444 * (Thus, only managers connected in-band are collected.)
447 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
448 struct sockaddr_in
**managersp
, size_t *n_managersp
)
450 struct sockaddr_in
*managers
= NULL
;
451 size_t n_managers
= 0;
455 /* Collect all of the potential targets from the "targets" columns of the
456 * rows pointed to by "manager_options", excluding any that are
459 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
460 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
462 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
463 sset_find_and_delete(&targets
, m
->target
);
465 sset_add(&targets
, m
->target
);
469 /* Now extract the targets' IP addresses. */
470 if (!sset_is_empty(&targets
)) {
473 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
474 SSET_FOR_EACH (target
, &targets
) {
475 struct sockaddr_in
*sin
= &managers
[n_managers
];
477 if (stream_parse_target_with_default_port(target
,
484 sset_destroy(&targets
);
486 *managersp
= managers
;
487 *n_managersp
= n_managers
;
491 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
493 unsigned long int *splinter_vlans
;
496 COVERAGE_INC(bridge_reconfigure
);
498 ovs_assert(!reconfiguring
);
499 reconfiguring
= true;
501 ofproto_set_flow_eviction_threshold(
502 smap_get_int(&ovs_cfg
->other_config
, "flow-eviction-threshold",
503 OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT
));
505 ofproto_set_n_handler_threads(
506 smap_get_int(&ovs_cfg
->other_config
, "n-handler-threads", 0));
508 bridge_configure_flow_miss_model(smap_get(&ovs_cfg
->other_config
,
509 "force-miss-model"));
511 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
512 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
513 * configuration otherwise.
515 * This is mostly an update to bridge data structures. Nothing is pushed
516 * down to ofproto or lower layers. */
517 add_del_bridges(ovs_cfg
);
518 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
519 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
520 bridge_add_del_ports(br
, splinter_vlans
);
522 free(splinter_vlans
);
524 /* Delete datapaths that are no longer configured, and create ones which
525 * don't exist but should. */
526 bridge_update_ofprotos();
528 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
529 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
530 bridge_refresh_ofp_port(br
);
533 /* Clear database records for "if_cfg"s which haven't been instantiated. */
534 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
535 struct if_cfg
*if_cfg
;
537 HMAP_FOR_EACH (if_cfg
, hmap_node
, &br
->if_cfg_todo
) {
538 iface_clear_db_record(if_cfg
->cfg
);
542 reconfigure_system_stats(ovs_cfg
);
546 bridge_reconfigure_ofp(void)
548 long long int deadline
;
551 deadline
= time_msec() + OFP_PORT_ACTION_WINDOW
;
553 /* The kernel will reject any attempt to add a given port to a datapath if
554 * that port already belongs to a different datapath, so we must do all
555 * port deletions before any port additions. */
556 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
557 struct ofpp_garbage
*garbage
, *next
;
559 LIST_FOR_EACH_SAFE (garbage
, next
, list_node
, &br
->ofpp_garbage
) {
560 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
561 * internal datastructures may not be consistent. Eventually, when
562 * port additions and deletions are cheaper, these calls should be
565 ofproto_port_del(br
->ofproto
, garbage
->ofp_port
);
566 list_remove(&garbage
->list_node
);
569 if (time_msec() >= deadline
) {
576 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
577 struct if_cfg
*if_cfg
, *next
;
579 HMAP_FOR_EACH_SAFE (if_cfg
, next
, hmap_node
, &br
->if_cfg_todo
) {
580 iface_create(br
, if_cfg
, OFPP_NONE
);
581 if (time_msec() >= deadline
) {
591 bridge_reconfigure_continue(const struct ovsrec_open_vswitch
*ovs_cfg
)
593 struct sockaddr_in
*managers
;
594 int sflow_bridge_number
;
599 ovs_assert(reconfiguring
);
600 done
= bridge_reconfigure_ofp();
602 /* Complete the configuration. */
603 sflow_bridge_number
= 0;
604 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
605 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
608 /* We need the datapath ID early to allow LACP ports to use it as the
609 * default system ID. */
610 bridge_configure_datapath_id(br
);
612 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
615 port_configure(port
);
617 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
618 iface_configure_cfm(iface
);
619 iface_configure_qos(iface
, port
->cfg
->qos
);
620 iface_set_mac(iface
);
621 ofproto_port_set_bfd(br
->ofproto
, iface
->ofp_port
,
625 bridge_configure_mirrors(br
);
626 bridge_configure_forward_bpdu(br
);
627 bridge_configure_mac_table(br
);
628 bridge_configure_remotes(br
, managers
, n_managers
);
629 bridge_configure_netflow(br
);
630 bridge_configure_sflow(br
, &sflow_bridge_number
);
631 bridge_configure_ipfix(br
);
632 bridge_configure_stp(br
);
633 bridge_configure_tables(br
);
634 bridge_configure_dp_desc(br
);
636 if (smap_get(&br
->cfg
->other_config
, "flow-eviction-threshold")) {
637 /* XXX: Remove this warning message eventually. */
638 VLOG_WARN_ONCE("As of June 2013, flow-eviction-threshold has been"
639 " moved to the Open_vSwitch table. Ignoring its"
640 " setting in the bridge table.");
648 /* Delete ofprotos which aren't configured or have the wrong type. Create
649 * ofprotos which don't exist but need to. */
651 bridge_update_ofprotos(void)
653 struct bridge
*br
, *next
;
658 /* Delete ofprotos with no bridge or with the wrong type. */
661 ofproto_enumerate_types(&types
);
662 SSET_FOR_EACH (type
, &types
) {
665 ofproto_enumerate_names(type
, &names
);
666 SSET_FOR_EACH (name
, &names
) {
667 br
= bridge_lookup(name
);
668 if (!br
|| strcmp(type
, br
->type
)) {
669 ofproto_delete(name
, type
);
673 sset_destroy(&names
);
674 sset_destroy(&types
);
676 /* Add ofprotos for bridges which don't have one yet. */
677 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
685 /* Remove ports from any datapath with the same name as 'br'. If we
686 * don't do this, creating 'br''s ofproto will fail because a port with
687 * the same name as its local port already exists. */
688 HMAP_FOR_EACH (br2
, node
, &all_bridges
) {
689 struct ofproto_port ofproto_port
;
695 if (!ofproto_port_query_by_name(br2
->ofproto
, br
->name
,
697 error
= ofproto_port_del(br2
->ofproto
, ofproto_port
.ofp_port
);
699 VLOG_ERR("failed to delete port %s: %s", ofproto_port
.name
,
700 ovs_strerror(error
));
702 ofproto_port_destroy(&ofproto_port
);
706 error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
708 VLOG_ERR("failed to create bridge %s: %s", br
->name
,
709 ovs_strerror(error
));
716 port_configure(struct port
*port
)
718 const struct ovsrec_port
*cfg
= port
->cfg
;
719 struct bond_settings bond_settings
;
720 struct lacp_settings lacp_settings
;
721 struct ofproto_bundle_settings s
;
724 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
725 configure_splinter_port(port
);
734 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
735 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
736 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
741 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
745 /* Get VLAN trunks. */
748 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
752 if (cfg
->vlan_mode
) {
753 if (!strcmp(cfg
->vlan_mode
, "access")) {
754 s
.vlan_mode
= PORT_VLAN_ACCESS
;
755 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
756 s
.vlan_mode
= PORT_VLAN_TRUNK
;
757 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
758 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
759 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
760 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
762 /* This "can't happen" because ovsdb-server should prevent it. */
763 VLOG_ERR("unknown VLAN mode %s", cfg
->vlan_mode
);
764 s
.vlan_mode
= PORT_VLAN_TRUNK
;
768 s
.vlan_mode
= PORT_VLAN_ACCESS
;
770 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
774 s
.vlan_mode
= PORT_VLAN_TRUNK
;
777 s
.use_priority_tags
= smap_get_bool(&cfg
->other_config
, "priority-tags",
780 /* Get LACP settings. */
781 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
785 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
786 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
787 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
790 s
.lacp_slaves
= NULL
;
793 /* Get bond settings. */
794 if (s
.n_slaves
> 1) {
795 s
.bond
= &bond_settings
;
796 port_configure_bond(port
, &bond_settings
);
799 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
800 netdev_set_miimon_interval(iface
->netdev
, 0);
805 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
814 bridge_configure_flow_miss_model(const char *opt
)
816 enum ofproto_flow_miss_model model
= OFPROTO_HANDLE_MISS_AUTO
;
819 if (strcmp(opt
, "with-facets")) {
820 model
= OFPROTO_HANDLE_MISS_WITH_FACETS
;
821 } else if (strcmp(opt
, "without-facets")) {
822 model
= OFPROTO_HANDLE_MISS_WITHOUT_FACETS
;
826 ofproto_set_flow_miss_model(model
);
829 /* Pick local port hardware address and datapath ID for 'br'. */
831 bridge_configure_datapath_id(struct bridge
*br
)
833 uint8_t ea
[ETH_ADDR_LEN
];
835 struct iface
*local_iface
;
836 struct iface
*hw_addr_iface
;
839 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
840 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
842 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
844 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
845 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
846 "Ethernet address: %s",
847 br
->name
, ovs_strerror(error
));
850 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
852 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
853 if (dpid
!= ofproto_get_datapath_id(br
->ofproto
)) {
854 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64
, br
->name
, dpid
);
855 ofproto_set_datapath_id(br
->ofproto
, dpid
);
858 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
859 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
863 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
866 bridge_get_allowed_versions(struct bridge
*br
)
868 if (!br
->cfg
->n_protocols
)
871 return ofputil_versions_from_strings(br
->cfg
->protocols
,
872 br
->cfg
->n_protocols
);
875 /* Set NetFlow configuration on 'br'. */
877 bridge_configure_netflow(struct bridge
*br
)
879 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
880 struct netflow_options opts
;
883 ofproto_set_netflow(br
->ofproto
, NULL
);
887 memset(&opts
, 0, sizeof opts
);
889 /* Get default NetFlow configuration from datapath.
890 * Apply overrides from 'cfg'. */
891 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
892 if (cfg
->engine_type
) {
893 opts
.engine_type
= *cfg
->engine_type
;
895 if (cfg
->engine_id
) {
896 opts
.engine_id
= *cfg
->engine_id
;
899 /* Configure active timeout interval. */
900 opts
.active_timeout
= cfg
->active_timeout
;
901 if (!opts
.active_timeout
) {
902 opts
.active_timeout
= -1;
903 } else if (opts
.active_timeout
< 0) {
904 VLOG_WARN("bridge %s: active timeout interval set to negative "
905 "value, using default instead (%d seconds)", br
->name
,
906 NF_ACTIVE_TIMEOUT_DEFAULT
);
907 opts
.active_timeout
= -1;
910 /* Add engine ID to interface number to disambiguate bridgs? */
911 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
912 if (opts
.add_id_to_iface
) {
913 if (opts
.engine_id
> 0x7f) {
914 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
915 "another vswitch, choose an engine id less than 128",
918 if (hmap_count(&br
->ports
) > 508) {
919 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
920 "another port when more than 508 ports are used",
926 sset_init(&opts
.collectors
);
927 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
930 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
931 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
933 sset_destroy(&opts
.collectors
);
936 /* Set sFlow configuration on 'br'. */
938 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
940 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
941 struct ovsrec_controller
**controllers
;
942 struct ofproto_sflow_options oso
;
943 size_t n_controllers
;
947 ofproto_set_sflow(br
->ofproto
, NULL
);
951 memset(&oso
, 0, sizeof oso
);
953 sset_init(&oso
.targets
);
954 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
956 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
958 oso
.sampling_rate
= *cfg
->sampling
;
961 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
963 oso
.polling_interval
= *cfg
->polling
;
966 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
968 oso
.header_len
= *cfg
->header
;
971 oso
.sub_id
= (*sflow_bridge_number
)++;
972 oso
.agent_device
= cfg
->agent
;
974 oso
.control_ip
= NULL
;
975 n_controllers
= bridge_get_controllers(br
, &controllers
);
976 for (i
= 0; i
< n_controllers
; i
++) {
977 if (controllers
[i
]->local_ip
) {
978 oso
.control_ip
= controllers
[i
]->local_ip
;
982 ofproto_set_sflow(br
->ofproto
, &oso
);
984 sset_destroy(&oso
.targets
);
987 /* Returns whether a IPFIX row is valid. */
989 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix
*ipfix
)
991 return ipfix
&& ipfix
->n_targets
> 0;
994 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
996 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set
*fscs
,
997 const struct bridge
*br
)
999 return ovsrec_ipfix_is_valid(fscs
->ipfix
) && fscs
->bridge
== br
->cfg
;
1002 /* Set IPFIX configuration on 'br'. */
1004 bridge_configure_ipfix(struct bridge
*br
)
1006 const struct ovsrec_ipfix
*be_cfg
= br
->cfg
->ipfix
;
1007 bool valid_be_cfg
= ovsrec_ipfix_is_valid(be_cfg
);
1008 const struct ovsrec_flow_sample_collector_set
*fe_cfg
;
1009 struct ofproto_ipfix_bridge_exporter_options be_opts
;
1010 struct ofproto_ipfix_flow_exporter_options
*fe_opts
= NULL
;
1011 size_t n_fe_opts
= 0;
1013 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1014 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1019 if (!valid_be_cfg
&& n_fe_opts
== 0) {
1020 ofproto_set_ipfix(br
->ofproto
, NULL
, NULL
, 0);
1025 memset(&be_opts
, 0, sizeof be_opts
);
1027 sset_init(&be_opts
.targets
);
1028 sset_add_array(&be_opts
.targets
, be_cfg
->targets
, be_cfg
->n_targets
);
1030 if (be_cfg
->sampling
) {
1031 be_opts
.sampling_rate
= *be_cfg
->sampling
;
1033 be_opts
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1035 if (be_cfg
->obs_domain_id
) {
1036 be_opts
.obs_domain_id
= *be_cfg
->obs_domain_id
;
1038 if (be_cfg
->obs_point_id
) {
1039 be_opts
.obs_point_id
= *be_cfg
->obs_point_id
;
1041 if (be_cfg
->cache_active_timeout
) {
1042 be_opts
.cache_active_timeout
= *be_cfg
->cache_active_timeout
;
1044 if (be_cfg
->cache_max_flows
) {
1045 be_opts
.cache_max_flows
= *be_cfg
->cache_max_flows
;
1049 if (n_fe_opts
> 0) {
1050 struct ofproto_ipfix_flow_exporter_options
*opts
;
1051 fe_opts
= xcalloc(n_fe_opts
, sizeof *fe_opts
);
1053 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1054 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1055 opts
->collector_set_id
= fe_cfg
->id
;
1056 sset_init(&opts
->targets
);
1057 sset_add_array(&opts
->targets
, fe_cfg
->ipfix
->targets
,
1058 fe_cfg
->ipfix
->n_targets
);
1059 opts
->cache_active_timeout
= fe_cfg
->ipfix
->cache_active_timeout
1060 ? *fe_cfg
->ipfix
->cache_active_timeout
: 0;
1061 opts
->cache_max_flows
= fe_cfg
->ipfix
->cache_max_flows
1062 ? *fe_cfg
->ipfix
->cache_max_flows
: 0;
1068 ofproto_set_ipfix(br
->ofproto
, valid_be_cfg
? &be_opts
: NULL
, fe_opts
,
1072 sset_destroy(&be_opts
.targets
);
1075 if (n_fe_opts
> 0) {
1076 struct ofproto_ipfix_flow_exporter_options
*opts
= fe_opts
;
1078 for (i
= 0; i
< n_fe_opts
; i
++) {
1079 sset_destroy(&opts
->targets
);
1087 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
1088 struct ofproto_port_stp_settings
*port_s
,
1089 int *port_num_counter
, unsigned long *port_num_bitmap
)
1091 const char *config_str
;
1092 struct iface
*iface
;
1094 if (!smap_get_bool(&port
->cfg
->other_config
, "stp-enable", true)) {
1095 port_s
->enable
= false;
1098 port_s
->enable
= true;
1101 /* STP over bonds is not supported. */
1102 if (!list_is_singleton(&port
->ifaces
)) {
1103 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1105 port_s
->enable
= false;
1109 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1111 /* Internal ports shouldn't participate in spanning tree, so
1113 if (!strcmp(iface
->type
, "internal")) {
1114 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
1115 port_s
->enable
= false;
1119 /* STP on mirror output ports is not supported. */
1120 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1121 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
1122 port_s
->enable
= false;
1126 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-num");
1128 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1129 int port_idx
= port_num
- 1;
1131 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
1132 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
1133 port_s
->enable
= false;
1137 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
1138 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1139 port
->name
, port_num
);
1140 port_s
->enable
= false;
1143 bitmap_set1(port_num_bitmap
, port_idx
);
1144 port_s
->port_num
= port_idx
;
1146 if (*port_num_counter
>= STP_MAX_PORTS
) {
1147 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
1148 port_s
->enable
= false;
1152 port_s
->port_num
= (*port_num_counter
)++;
1155 config_str
= smap_get(&port
->cfg
->other_config
, "stp-path-cost");
1157 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1159 enum netdev_features current
;
1162 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1163 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1164 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
1167 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-priority");
1169 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1171 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
1175 /* Set spanning tree configuration on 'br'. */
1177 bridge_configure_stp(struct bridge
*br
)
1179 if (!br
->cfg
->stp_enable
) {
1180 ofproto_set_stp(br
->ofproto
, NULL
);
1182 struct ofproto_stp_settings br_s
;
1183 const char *config_str
;
1185 int port_num_counter
;
1186 unsigned long *port_num_bitmap
;
1188 config_str
= smap_get(&br
->cfg
->other_config
, "stp-system-id");
1190 uint8_t ea
[ETH_ADDR_LEN
];
1192 if (eth_addr_from_string(config_str
, ea
)) {
1193 br_s
.system_id
= eth_addr_to_uint64(ea
);
1195 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1196 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1197 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1200 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1203 config_str
= smap_get(&br
->cfg
->other_config
, "stp-priority");
1205 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1207 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
1210 config_str
= smap_get(&br
->cfg
->other_config
, "stp-hello-time");
1212 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
1214 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
1217 config_str
= smap_get(&br
->cfg
->other_config
, "stp-max-age");
1219 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
1221 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
1224 config_str
= smap_get(&br
->cfg
->other_config
, "stp-forward-delay");
1226 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
1228 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
1231 /* Configure STP on the bridge. */
1232 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
1233 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
1237 /* Users must either set the port number with the "stp-port-num"
1238 * configuration on all ports or none. If manual configuration
1239 * is not done, then we allocate them sequentially. */
1240 port_num_counter
= 0;
1241 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
1242 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1243 struct ofproto_port_stp_settings port_s
;
1244 struct iface
*iface
;
1246 port_configure_stp(br
->ofproto
, port
, &port_s
,
1247 &port_num_counter
, port_num_bitmap
);
1249 /* As bonds are not supported, just apply configuration to
1250 * all interfaces. */
1251 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1252 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
1254 VLOG_ERR("port %s: could not enable STP", port
->name
);
1260 if (bitmap_scan(port_num_bitmap
, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
1261 && port_num_counter
) {
1262 VLOG_ERR("bridge %s: must manually configure all STP port "
1263 "IDs or none, disabling", br
->name
);
1264 ofproto_set_stp(br
->ofproto
, NULL
);
1266 bitmap_free(port_num_bitmap
);
1271 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
1273 const struct port
*port
= port_lookup(br
, name
);
1274 return port
&& port_is_bond_fake_iface(port
);
1278 port_is_bond_fake_iface(const struct port
*port
)
1280 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
1284 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
1286 struct bridge
*br
, *next
;
1287 struct shash new_br
;
1290 /* Collect new bridges' names and types. */
1291 shash_init(&new_br
);
1292 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1293 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1294 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1296 if (strchr(br_cfg
->name
, '/')) {
1297 /* Prevent remote ovsdb-server users from accessing arbitrary
1298 * directories, e.g. consider a bridge named "../../../etc/". */
1299 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1301 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1302 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1306 /* Get rid of deleted bridges or those whose types have changed.
1307 * Update 'cfg' of bridges that still exist. */
1308 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1309 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1310 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1311 br
->cfg
->datapath_type
))) {
1316 /* Add new bridges. */
1317 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1318 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1319 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1321 bridge_create(br_cfg
);
1325 shash_destroy(&new_br
);
1329 iface_set_ofp_port(struct iface
*iface
, ofp_port_t ofp_port
)
1331 struct bridge
*br
= iface
->port
->bridge
;
1333 ovs_assert(iface
->ofp_port
== OFPP_NONE
&& ofp_port
!= OFPP_NONE
);
1334 iface
->ofp_port
= ofp_port
;
1335 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
,
1336 hash_ofp_port(ofp_port
));
1337 iface_set_ofport(iface
->cfg
, ofp_port
);
1340 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1341 * Returns 0 if successful, otherwise a positive errno value. */
1343 iface_set_netdev_config(const struct ovsrec_interface
*iface_cfg
,
1344 struct netdev
*netdev
)
1348 error
= netdev_set_config(netdev
, &iface_cfg
->options
);
1350 VLOG_WARN("could not configure network device %s (%s)",
1351 iface_cfg
->name
, ovs_strerror(error
));
1356 /* This function determines whether 'ofproto_port', which is attached to
1357 * br->ofproto's datapath, is one that we want in 'br'.
1359 * If it is, it returns true, after creating an iface (if necessary),
1360 * configuring the iface's netdev according to the iface's options, and setting
1361 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1363 * If, on the other hand, 'port' should be removed, it returns false. The
1364 * caller should later detach the port from br->ofproto. */
1366 bridge_refresh_one_ofp_port(struct bridge
*br
,
1367 const struct ofproto_port
*ofproto_port
)
1369 const char *name
= ofproto_port
->name
;
1370 const char *type
= ofproto_port
->type
;
1371 ofp_port_t ofp_port
= ofproto_port
->ofp_port
;
1373 struct iface
*iface
= iface_lookup(br
, name
);
1375 /* Check that the name-to-number mapping is one-to-one. */
1376 if (iface
->ofp_port
!= OFPP_NONE
) {
1377 VLOG_WARN("bridge %s: interface %s reported twice",
1380 } else if (iface_from_ofp_port(br
, ofp_port
)) {
1381 VLOG_WARN("bridge %s: interface %"PRIu16
" reported twice",
1382 br
->name
, ofp_port
);
1386 /* There's a configured interface named 'name'. */
1387 if (strcmp(type
, iface
->type
)
1388 || iface_set_netdev_config(iface
->cfg
, iface
->netdev
)) {
1389 /* It's the wrong type, or it's the right type but can't be
1390 * configured as the user requested, so we must destroy it. */
1393 /* It's the right type and configured correctly. Keep it. */
1394 iface_set_ofp_port(iface
, ofp_port
);
1397 } else if (bridge_has_bond_fake_iface(br
, name
)
1398 && !strcmp(type
, "internal")) {
1399 /* It's a bond fake iface. Keep it. */
1402 /* There's no configured interface named 'name', but there might be an
1403 * interface of that name queued to be created.
1405 * If there is, and it has the correct type, then try to configure it
1406 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1407 * delete it and later try to re-add it. */
1408 struct if_cfg
*if_cfg
= if_cfg_lookup(br
, name
);
1410 && !strcmp(type
, iface_get_type(if_cfg
->cfg
, br
->cfg
))
1411 && iface_create(br
, if_cfg
, ofp_port
));
1415 /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1416 * consistent with the ofp_ports in "br->ofproto". */
1418 bridge_refresh_ofp_port(struct bridge
*br
)
1420 struct ofproto_port_dump dump
;
1421 struct ofproto_port ofproto_port
;
1422 struct port
*port
, *port_next
;
1424 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
1425 hmap_clear(&br
->ifaces
);
1426 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1427 struct iface
*iface
;
1429 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1430 iface
->ofp_port
= OFPP_NONE
;
1434 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1435 * already exist in the datapath and promote them to full fledged "struct
1436 * iface"s. Mark ports in the datapath which don't belong as garbage. */
1437 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
1438 if (!bridge_refresh_one_ofp_port(br
, &ofproto_port
)) {
1439 struct ofpp_garbage
*garbage
= xmalloc(sizeof *garbage
);
1440 garbage
->ofp_port
= ofproto_port
.ofp_port
;
1441 list_push_front(&br
->ofpp_garbage
, &garbage
->list_node
);
1445 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1446 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1447 * later they can be added to ofproto. */
1448 HMAP_FOR_EACH_SAFE (port
, port_next
, hmap_node
, &br
->ports
) {
1449 struct iface
*iface
, *iface_next
;
1451 LIST_FOR_EACH_SAFE (iface
, iface_next
, port_elem
, &port
->ifaces
) {
1452 if (iface
->ofp_port
== OFPP_NONE
) {
1453 bridge_queue_if_cfg(br
, iface
->cfg
, port
->cfg
);
1454 iface_destroy(iface
);
1458 if (list_is_empty(&port
->ifaces
)) {
1464 /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
1465 * is OFPP_NONE, adds the network device to br->ofproto and stores the OpenFlow
1466 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1469 * If successful, returns 0 and stores the network device in '*netdevp'. On
1470 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1472 iface_do_create(const struct bridge
*br
,
1473 const struct if_cfg
*if_cfg
,
1474 ofp_port_t
*ofp_portp
, struct netdev
**netdevp
)
1476 const struct ovsrec_interface
*iface_cfg
= if_cfg
->cfg
;
1477 const struct ovsrec_port
*port_cfg
= if_cfg
->parent
;
1478 struct netdev
*netdev
= NULL
;
1481 if (netdev_is_reserved_name(iface_cfg
->name
)) {
1482 VLOG_WARN("could not create interface %s, name is reserved",
1488 error
= netdev_open(iface_cfg
->name
,
1489 iface_get_type(iface_cfg
, br
->cfg
), &netdev
);
1491 VLOG_WARN("could not open network device %s (%s)",
1492 iface_cfg
->name
, ovs_strerror(error
));
1496 error
= iface_set_netdev_config(iface_cfg
, netdev
);
1501 if (*ofp_portp
== OFPP_NONE
) {
1502 ofp_port_t ofp_port
= if_cfg
->ofport
;
1504 error
= ofproto_port_add(br
->ofproto
, netdev
, &ofp_port
);
1508 *ofp_portp
= ofp_port
;
1510 VLOG_INFO("bridge %s: added interface %s on port %d",
1511 br
->name
, iface_cfg
->name
, *ofp_portp
);
1513 VLOG_DBG("bridge %s: interface %s is on port %d",
1514 br
->name
, iface_cfg
->name
, *ofp_portp
);
1517 if ((port_cfg
->vlan_mode
&& !strcmp(port_cfg
->vlan_mode
, "splinter"))
1518 || iface_is_internal(iface_cfg
, br
->cfg
)) {
1519 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
1527 netdev_close(netdev
);
1531 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1532 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1533 * automatically allocated for the iface. Takes ownership of and
1534 * deallocates 'if_cfg'.
1536 * Return true if an iface is successfully created, false otherwise. */
1538 iface_create(struct bridge
*br
, struct if_cfg
*if_cfg
, ofp_port_t ofp_port
)
1540 const struct ovsrec_interface
*iface_cfg
= if_cfg
->cfg
;
1541 const struct ovsrec_port
*port_cfg
= if_cfg
->parent
;
1543 struct netdev
*netdev
;
1544 struct iface
*iface
;
1549 /* Do the bits that can fail up front.
1551 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1552 * internal datastructures may not be consistent. Eventually, when port
1553 * additions and deletions are cheaper, these calls should be removed. */
1555 ovs_assert(!iface_lookup(br
, iface_cfg
->name
));
1556 error
= iface_do_create(br
, if_cfg
, &ofp_port
, &netdev
);
1559 iface_set_ofport(iface_cfg
, OFPP_NONE
);
1560 iface_clear_db_record(iface_cfg
);
1565 /* Get or create the port structure. */
1566 port
= port_lookup(br
, port_cfg
->name
);
1568 port
= port_create(br
, port_cfg
);
1571 /* Create the iface structure. */
1572 iface
= xzalloc(sizeof *iface
);
1573 list_push_back(&port
->ifaces
, &iface
->port_elem
);
1574 hmap_insert(&br
->iface_by_name
, &iface
->name_node
,
1575 hash_string(iface_cfg
->name
, 0));
1577 iface
->name
= xstrdup(iface_cfg
->name
);
1578 iface
->ofp_port
= OFPP_NONE
;
1579 iface
->netdev
= netdev
;
1580 iface
->type
= iface_get_type(iface_cfg
, br
->cfg
);
1581 iface
->cfg
= iface_cfg
;
1583 iface_set_ofp_port(iface
, ofp_port
);
1585 /* Populate initial status in database. */
1586 iface_refresh_stats(iface
);
1587 iface_refresh_status(iface
);
1589 /* Add bond fake iface if necessary. */
1590 if (port_is_bond_fake_iface(port
)) {
1591 struct ofproto_port ofproto_port
;
1593 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1595 struct netdev
*netdev
;
1598 error
= netdev_open(port
->name
, "internal", &netdev
);
1600 ofp_port_t fake_ofp_port
= if_cfg
->ofport
;
1602 ofproto_port_add(br
->ofproto
, netdev
, &fake_ofp_port
);
1603 netdev_close(netdev
);
1605 VLOG_WARN("could not open network device %s (%s)",
1606 port
->name
, ovs_strerror(error
));
1609 /* Already exists, nothing to do. */
1610 ofproto_port_destroy(&ofproto_port
);
1615 hmap_remove(&br
->if_cfg_todo
, &if_cfg
->hmap_node
);
1621 /* Set forward BPDU option. */
1623 bridge_configure_forward_bpdu(struct bridge
*br
)
1625 ofproto_set_forward_bpdu(br
->ofproto
,
1626 smap_get_bool(&br
->cfg
->other_config
,
1631 /* Set MAC learning table configuration for 'br'. */
1633 bridge_configure_mac_table(struct bridge
*br
)
1635 const char *idle_time_str
;
1638 const char *mac_table_size_str
;
1641 idle_time_str
= smap_get(&br
->cfg
->other_config
, "mac-aging-time");
1642 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1643 ? atoi(idle_time_str
)
1644 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1646 mac_table_size_str
= smap_get(&br
->cfg
->other_config
, "mac-table-size");
1647 mac_table_size
= (mac_table_size_str
&& atoi(mac_table_size_str
)
1648 ? atoi(mac_table_size_str
)
1651 ofproto_set_mac_table_config(br
->ofproto
, idle_time
, mac_table_size
);
1655 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1656 struct iface
**hw_addr_iface
)
1658 struct hmapx mirror_output_ports
;
1661 bool found_addr
= false;
1665 *hw_addr_iface
= NULL
;
1667 /* Did the user request a particular MAC? */
1668 hwaddr
= smap_get(&br
->cfg
->other_config
, "hwaddr");
1669 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
1670 if (eth_addr_is_multicast(ea
)) {
1671 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1672 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1673 } else if (eth_addr_is_zero(ea
)) {
1674 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
1680 /* Mirror output ports don't participate in picking the local hardware
1681 * address. ofproto can't help us find out whether a given port is a
1682 * mirror output because we haven't configured mirrors yet, so we need to
1683 * accumulate them ourselves. */
1684 hmapx_init(&mirror_output_ports
);
1685 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1686 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1687 if (m
->output_port
) {
1688 hmapx_add(&mirror_output_ports
, m
->output_port
);
1692 /* Otherwise choose the minimum non-local MAC address among all of the
1694 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1695 uint8_t iface_ea
[ETH_ADDR_LEN
];
1696 struct iface
*candidate
;
1697 struct iface
*iface
;
1699 /* Mirror output ports don't participate. */
1700 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1704 /* Choose the MAC address to represent the port. */
1706 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1707 /* Find the interface with this Ethernet address (if any) so that
1708 * we can provide the correct devname to the caller. */
1709 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1710 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1711 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1712 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1717 /* Choose the interface whose MAC address will represent the port.
1718 * The Linux kernel bonding code always chooses the MAC address of
1719 * the first slave added to a bond, and the Fedora networking
1720 * scripts always add slaves to a bond in alphabetical order, so
1721 * for compatibility we choose the interface with the name that is
1722 * first in alphabetical order. */
1723 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1724 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1729 /* The local port doesn't count (since we're trying to choose its
1730 * MAC address anyway). */
1731 if (iface
->ofp_port
== OFPP_LOCAL
) {
1736 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
1742 /* Compare against our current choice. */
1743 if (!eth_addr_is_multicast(iface_ea
) &&
1744 !eth_addr_is_local(iface_ea
) &&
1745 !eth_addr_is_reserved(iface_ea
) &&
1746 !eth_addr_is_zero(iface_ea
) &&
1747 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
1749 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
1750 *hw_addr_iface
= iface
;
1756 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
1757 *hw_addr_iface
= NULL
;
1760 hmapx_destroy(&mirror_output_ports
);
1763 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1764 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1765 * an interface on 'br', then that interface must be passed in as
1766 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1767 * 'hw_addr_iface' must be passed in as a null pointer. */
1769 bridge_pick_datapath_id(struct bridge
*br
,
1770 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
1771 struct iface
*hw_addr_iface
)
1774 * The procedure for choosing a bridge MAC address will, in the most
1775 * ordinary case, also choose a unique MAC that we can use as a datapath
1776 * ID. In some special cases, though, multiple bridges will end up with
1777 * the same MAC address. This is OK for the bridges, but it will confuse
1778 * the OpenFlow controller, because each datapath needs a unique datapath
1781 * Datapath IDs must be unique. It is also very desirable that they be
1782 * stable from one run to the next, so that policy set on a datapath
1785 const char *datapath_id
;
1788 datapath_id
= smap_get(&br
->cfg
->other_config
, "datapath-id");
1789 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
1793 if (!hw_addr_iface
) {
1795 * A purely internal bridge, that is, one that has no non-virtual
1796 * network devices on it at all, is difficult because it has no
1797 * natural unique identifier at all.
1799 * When the host is a XenServer, we handle this case by hashing the
1800 * host's UUID with the name of the bridge. Names of bridges are
1801 * persistent across XenServer reboots, although they can be reused if
1802 * an internal network is destroyed and then a new one is later
1803 * created, so this is fairly effective.
1805 * When the host is not a XenServer, we punt by using a random MAC
1806 * address on each run.
1808 const char *host_uuid
= xenserver_get_host_uuid();
1810 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
1811 dpid
= dpid_from_hash(combined
, strlen(combined
));
1817 return eth_addr_to_uint64(bridge_ea
);
1821 dpid_from_hash(const void *data
, size_t n
)
1823 uint8_t hash
[SHA1_DIGEST_SIZE
];
1825 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
1826 sha1_bytes(data
, n
, hash
);
1827 eth_addr_mark_random(hash
);
1828 return eth_addr_to_uint64(hash
);
1832 iface_refresh_status(struct iface
*iface
)
1836 enum netdev_features current
;
1840 uint8_t mac
[ETH_ADDR_LEN
];
1844 if (iface_is_synthetic(iface
)) {
1850 if (!netdev_get_status(iface
->netdev
, &smap
)) {
1851 ovsrec_interface_set_status(iface
->cfg
, &smap
);
1853 ovsrec_interface_set_status(iface
->cfg
, NULL
);
1856 smap_destroy(&smap
);
1858 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1859 bps
= !error
? netdev_features_to_bps(current
, 0) : 0;
1861 ovsrec_interface_set_duplex(iface
->cfg
,
1862 netdev_features_is_full_duplex(current
)
1864 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
1866 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
1867 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
1870 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
1873 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
1875 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
1878 error
= netdev_get_etheraddr(iface
->netdev
, mac
);
1880 char mac_string
[32];
1882 sprintf(mac_string
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
1883 ovsrec_interface_set_mac_in_use(iface
->cfg
, mac_string
);
1885 ovsrec_interface_set_mac_in_use(iface
->cfg
, NULL
);
1888 /* The netdev may return a negative number (such as -EOPNOTSUPP)
1889 * if there is no valid ifindex number. */
1890 ifindex64
= netdev_get_ifindex(iface
->netdev
);
1891 if (ifindex64
< 0) {
1894 ovsrec_interface_set_ifindex(iface
->cfg
, &ifindex64
, 1);
1897 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1900 iface_refresh_cfm_stats(struct iface
*iface
)
1902 const struct ovsrec_interface
*cfg
= iface
->cfg
;
1903 struct ofproto_cfm_status status
;
1905 if (!ofproto_port_get_cfm_status(iface
->port
->bridge
->ofproto
,
1906 iface
->ofp_port
, &status
)) {
1907 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
1908 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
1909 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
1910 ovsrec_interface_set_cfm_flap_count(cfg
, NULL
, 0);
1911 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
1912 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
1914 const char *reasons
[CFM_FAULT_N_REASONS
];
1915 int64_t cfm_health
= status
.health
;
1916 int64_t cfm_flap_count
= status
.flap_count
;
1917 bool faulted
= status
.faults
!= 0;
1920 ovsrec_interface_set_cfm_fault(cfg
, &faulted
, 1);
1923 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
1924 int reason
= 1 << i
;
1925 if (status
.faults
& reason
) {
1926 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
1929 ovsrec_interface_set_cfm_fault_status(cfg
, (char **) reasons
, j
);
1931 ovsrec_interface_set_cfm_flap_count(cfg
, &cfm_flap_count
, 1);
1933 if (status
.remote_opstate
>= 0) {
1934 const char *remote_opstate
= status
.remote_opstate
? "up" : "down";
1935 ovsrec_interface_set_cfm_remote_opstate(cfg
, remote_opstate
);
1937 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
1940 ovsrec_interface_set_cfm_remote_mpids(cfg
,
1941 (const int64_t *)status
.rmps
,
1943 if (cfm_health
>= 0) {
1944 ovsrec_interface_set_cfm_health(cfg
, &cfm_health
, 1);
1946 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
1954 iface_refresh_stats(struct iface
*iface
)
1956 #define IFACE_STATS \
1957 IFACE_STAT(rx_packets, "rx_packets") \
1958 IFACE_STAT(tx_packets, "tx_packets") \
1959 IFACE_STAT(rx_bytes, "rx_bytes") \
1960 IFACE_STAT(tx_bytes, "tx_bytes") \
1961 IFACE_STAT(rx_dropped, "rx_dropped") \
1962 IFACE_STAT(tx_dropped, "tx_dropped") \
1963 IFACE_STAT(rx_errors, "rx_errors") \
1964 IFACE_STAT(tx_errors, "tx_errors") \
1965 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1966 IFACE_STAT(rx_over_errors, "rx_over_err") \
1967 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1968 IFACE_STAT(collisions, "collisions")
1970 #define IFACE_STAT(MEMBER, NAME) + 1
1971 enum { N_IFACE_STATS
= IFACE_STATS
};
1973 int64_t values
[N_IFACE_STATS
];
1974 char *keys
[N_IFACE_STATS
];
1977 struct netdev_stats stats
;
1979 if (iface_is_synthetic(iface
)) {
1983 /* Intentionally ignore return value, since errors will set 'stats' to
1984 * all-1s, and we will deal with that correctly below. */
1985 netdev_get_stats(iface
->netdev
, &stats
);
1987 /* Copy statistics into keys[] and values[]. */
1989 #define IFACE_STAT(MEMBER, NAME) \
1990 if (stats.MEMBER != UINT64_MAX) { \
1992 values[n] = stats.MEMBER; \
1997 ovs_assert(n
<= N_IFACE_STATS
);
1999 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
, n
);
2004 br_refresh_stp_status(struct bridge
*br
)
2006 struct smap smap
= SMAP_INITIALIZER(&smap
);
2007 struct ofproto
*ofproto
= br
->ofproto
;
2008 struct ofproto_stp_status status
;
2010 if (ofproto_get_stp_status(ofproto
, &status
)) {
2014 if (!status
.enabled
) {
2015 ovsrec_bridge_set_status(br
->cfg
, NULL
);
2019 smap_add_format(&smap
, "stp_bridge_id", STP_ID_FMT
,
2020 STP_ID_ARGS(status
.bridge_id
));
2021 smap_add_format(&smap
, "stp_designated_root", STP_ID_FMT
,
2022 STP_ID_ARGS(status
.designated_root
));
2023 smap_add_format(&smap
, "stp_root_path_cost", "%d", status
.root_path_cost
);
2025 ovsrec_bridge_set_status(br
->cfg
, &smap
);
2026 smap_destroy(&smap
);
2030 port_refresh_stp_status(struct port
*port
)
2032 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2033 struct iface
*iface
;
2034 struct ofproto_port_stp_status status
;
2037 if (port_is_synthetic(port
)) {
2041 /* STP doesn't currently support bonds. */
2042 if (!list_is_singleton(&port
->ifaces
)) {
2043 ovsrec_port_set_status(port
->cfg
, NULL
);
2047 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2048 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
2052 if (!status
.enabled
) {
2053 ovsrec_port_set_status(port
->cfg
, NULL
);
2057 /* Set Status column. */
2059 smap_add_format(&smap
, "stp_port_id", STP_PORT_ID_FMT
, status
.port_id
);
2060 smap_add(&smap
, "stp_state", stp_state_name(status
.state
));
2061 smap_add_format(&smap
, "stp_sec_in_state", "%u", status
.sec_in_state
);
2062 smap_add(&smap
, "stp_role", stp_role_name(status
.role
));
2063 ovsrec_port_set_status(port
->cfg
, &smap
);
2064 smap_destroy(&smap
);
2068 port_refresh_stp_stats(struct port
*port
)
2070 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2071 struct iface
*iface
;
2072 struct ofproto_port_stp_stats stats
;
2074 int64_t int_values
[3];
2076 if (port_is_synthetic(port
)) {
2080 /* STP doesn't currently support bonds. */
2081 if (!list_is_singleton(&port
->ifaces
)) {
2085 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2086 if (ofproto_port_get_stp_stats(ofproto
, iface
->ofp_port
, &stats
)) {
2090 if (!stats
.enabled
) {
2091 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
2095 /* Set Statistics column. */
2096 keys
[0] = "stp_tx_count";
2097 int_values
[0] = stats
.tx_count
;
2098 keys
[1] = "stp_rx_count";
2099 int_values
[1] = stats
.rx_count
;
2100 keys
[2] = "stp_error_count";
2101 int_values
[2] = stats
.error_count
;
2103 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
2104 ARRAY_SIZE(int_values
));
2108 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2110 return smap_get_bool(&cfg
->other_config
, "enable-statistics", false);
2114 reconfigure_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2116 bool enable
= enable_system_stats(cfg
);
2118 system_stats_enable(enable
);
2120 ovsrec_open_vswitch_set_statistics(cfg
, NULL
);
2125 run_system_stats(void)
2127 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2130 stats
= system_stats_run();
2132 struct ovsdb_idl_txn
*txn
;
2133 struct ovsdb_datum datum
;
2135 txn
= ovsdb_idl_txn_create(idl
);
2136 ovsdb_datum_from_smap(&datum
, stats
);
2137 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
2139 ovsdb_idl_txn_commit(txn
);
2140 ovsdb_idl_txn_destroy(txn
);
2146 static inline const char *
2147 ofp12_controller_role_to_str(enum ofp12_controller_role role
)
2150 case OFPCR12_ROLE_EQUAL
:
2152 case OFPCR12_ROLE_MASTER
:
2154 case OFPCR12_ROLE_SLAVE
:
2156 case OFPCR12_ROLE_NOCHANGE
:
2158 return "*** INVALID ROLE ***";
2163 refresh_controller_status(void)
2167 const struct ovsrec_controller
*cfg
;
2171 /* Accumulate status for controllers on all bridges. */
2172 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2173 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
2176 /* Update each controller in the database with current status. */
2177 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
2178 struct ofproto_controller_info
*cinfo
=
2179 shash_find_data(&info
, cfg
->target
);
2182 struct smap smap
= SMAP_INITIALIZER(&smap
);
2183 const char **values
= cinfo
->pairs
.values
;
2184 const char **keys
= cinfo
->pairs
.keys
;
2187 for (i
= 0; i
< cinfo
->pairs
.n
; i
++) {
2188 smap_add(&smap
, keys
[i
], values
[i
]);
2191 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
2192 ovsrec_controller_set_role(cfg
, ofp12_controller_role_to_str(
2194 ovsrec_controller_set_status(cfg
, &smap
);
2195 smap_destroy(&smap
);
2197 ovsrec_controller_set_is_connected(cfg
, false);
2198 ovsrec_controller_set_role(cfg
, NULL
);
2199 ovsrec_controller_set_status(cfg
, NULL
);
2203 ofproto_free_ofproto_controller_info(&info
);
2208 * Some information in the database must be kept as up-to-date as possible to
2209 * allow controllers to respond rapidly to network outages. We call these
2210 * statistics "instant" stats.
2212 * We wish to update these statistics every INSTANT_INTERVAL_MSEC milliseconds,
2213 * assuming that they've changed. The only means we have to determine whether
2214 * they have changed are:
2216 * - Try to commit changes to the database. If nothing changed, then
2217 * ovsdb_idl_txn_commit() returns TXN_UNCHANGED, otherwise some other
2220 * - instant_stats_run() is called late in the run loop, after anything that
2221 * might change any of the instant stats.
2223 * We use these two facts together to avoid waking the process up every
2224 * INSTANT_INTERVAL_MSEC whether there is any change or not.
2227 /* Minimum interval between writing updates to the instant stats to the
2229 #define INSTANT_INTERVAL_MSEC 100
2231 /* Current instant stats database transaction, NULL if there is no ongoing
2233 static struct ovsdb_idl_txn
*instant_txn
;
2235 /* Next time (in msec on monotonic clock) at which we will update the instant
2237 static long long int instant_next_txn
= LLONG_MIN
;
2239 /* True if the run loop has run since we last saw that the instant stats were
2240 * unchanged, that is, this is true if we need to wake up at 'instant_next_txn'
2241 * to refresh the instant stats. */
2242 static bool instant_stats_could_have_changed
;
2245 instant_stats_run(void)
2247 enum ovsdb_idl_txn_status status
;
2249 instant_stats_could_have_changed
= true;
2254 if (time_msec() < instant_next_txn
) {
2257 instant_next_txn
= time_msec() + INSTANT_INTERVAL_MSEC
;
2259 instant_txn
= ovsdb_idl_txn_create(idl
);
2260 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2261 struct iface
*iface
;
2264 br_refresh_stp_status(br
);
2266 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2267 port_refresh_stp_status(port
);
2270 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
2271 enum netdev_flags flags
;
2273 const char *link_state
;
2274 int64_t link_resets
;
2277 if (iface_is_synthetic(iface
)) {
2281 current
= ofproto_port_is_lacp_current(br
->ofproto
,
2285 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
2287 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
2290 error
= netdev_get_flags(iface
->netdev
, &flags
);
2292 const char *state
= flags
& NETDEV_UP
? "up" : "down";
2293 ovsrec_interface_set_admin_state(iface
->cfg
, state
);
2295 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
2298 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
2299 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
2301 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
2302 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
2304 iface_refresh_cfm_stats(iface
);
2307 ofproto_port_get_bfd_status(br
->ofproto
, iface
->ofp_port
,
2309 ovsrec_interface_set_bfd_status(iface
->cfg
, &smap
);
2310 smap_destroy(&smap
);
2315 status
= ovsdb_idl_txn_commit(instant_txn
);
2316 if (status
!= TXN_INCOMPLETE
) {
2317 ovsdb_idl_txn_destroy(instant_txn
);
2320 if (status
== TXN_UNCHANGED
) {
2321 instant_stats_could_have_changed
= false;
2326 instant_stats_wait(void)
2329 ovsdb_idl_txn_wait(instant_txn
);
2330 } else if (instant_stats_could_have_changed
) {
2331 poll_timer_wait_until(instant_next_txn
);
2335 /* Performs periodic activity required by bridges that needs to be done with
2336 * the least possible latency.
2338 * It makes sense to call this function a couple of times per poll loop, to
2339 * provide a significant performance boost on some benchmarks with ofprotos
2340 * that use the ofproto-dpif implementation. */
2342 bridge_run_fast(void)
2349 ofproto_enumerate_types(&types
);
2350 SSET_FOR_EACH (type
, &types
) {
2351 ofproto_type_run_fast(type
);
2353 sset_destroy(&types
);
2355 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2356 ofproto_run_fast(br
->ofproto
);
2363 static struct ovsrec_open_vswitch null_cfg
;
2364 const struct ovsrec_open_vswitch
*cfg
;
2365 struct ovsdb_idl_txn
*reconf_txn
= NULL
;
2369 bool vlan_splinters_changed
;
2372 ovsrec_open_vswitch_init(&null_cfg
);
2374 /* (Re)configure if necessary. */
2375 if (!reconfiguring
) {
2378 if (ovsdb_idl_is_lock_contended(idl
)) {
2379 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2380 struct bridge
*br
, *next_br
;
2382 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
2383 "disabling this process (pid %ld) until it goes away",
2384 (long int) getpid());
2386 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
2389 /* Since we will not be running system_stats_run() in this process
2390 * with the current situation of multiple ovs-vswitchd daemons,
2391 * disable system stats collection. */
2392 system_stats_enable(false);
2394 } else if (!ovsdb_idl_has_lock(idl
)) {
2398 cfg
= ovsrec_open_vswitch_first(idl
);
2400 /* Initialize the ofproto library. This only needs to run once, but
2401 * it must be done after the configuration is set. If the
2402 * initialization has already occurred, bridge_init_ofproto()
2403 * returns immediately. */
2404 bridge_init_ofproto(cfg
);
2406 /* Once the value of flow-restore-wait is false, we no longer should
2407 * check its value from the database. */
2408 if (cfg
&& ofproto_get_flow_restore_wait()) {
2409 ofproto_set_flow_restore_wait(smap_get_bool(&cfg
->other_config
,
2410 "flow-restore-wait", false));
2413 /* Let each datapath type do the work that it needs to do. */
2415 ofproto_enumerate_types(&types
);
2416 SSET_FOR_EACH (type
, &types
) {
2417 ofproto_type_run(type
);
2419 sset_destroy(&types
);
2421 /* Let each bridge do the work that it needs to do. */
2422 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2423 ofproto_run(br
->ofproto
);
2426 /* Re-configure SSL. We do this on every trip through the main loop,
2427 * instead of just when the database changes, because the contents of the
2428 * key and certificate files can change without the database changing.
2430 * We do this before bridge_reconfigure() because that function might
2431 * initiate SSL connections and thus requires SSL to be configured. */
2432 if (cfg
&& cfg
->ssl
) {
2433 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
2435 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
2436 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
2439 if (!reconfiguring
) {
2440 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2441 * usage has changed. */
2442 vlan_splinters_changed
= false;
2443 if (vlan_splinters_enabled_anywhere
) {
2444 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2445 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
2446 vlan_splinters_changed
= true;
2452 if (ovsdb_idl_get_seqno(idl
) != idl_seqno
|| vlan_splinters_changed
) {
2453 idl_seqno
= ovsdb_idl_get_seqno(idl
);
2455 reconf_txn
= ovsdb_idl_txn_create(idl
);
2456 bridge_reconfigure(cfg
);
2458 /* We still need to reconfigure to avoid dangling pointers to
2459 * now-destroyed ovsrec structures inside bridge data. */
2460 bridge_reconfigure(&null_cfg
);
2465 if (reconfiguring
) {
2467 reconf_txn
= ovsdb_idl_txn_create(idl
);
2470 if (bridge_reconfigure_continue(cfg
? cfg
: &null_cfg
)) {
2471 reconfiguring
= false;
2474 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
2477 /* If we are completing our initial configuration for this run
2478 * of ovs-vswitchd, then keep the transaction around to monitor
2479 * it for completion. */
2480 if (!initial_config_done
) {
2481 initial_config_done
= true;
2482 daemonize_txn
= reconf_txn
;
2489 ovsdb_idl_txn_commit(reconf_txn
);
2490 ovsdb_idl_txn_destroy(reconf_txn
);
2494 if (daemonize_txn
) {
2495 enum ovsdb_idl_txn_status status
= ovsdb_idl_txn_commit(daemonize_txn
);
2496 if (status
!= TXN_INCOMPLETE
) {
2497 ovsdb_idl_txn_destroy(daemonize_txn
);
2498 daemonize_txn
= NULL
;
2500 /* ovs-vswitchd has completed initialization, so allow the
2501 * process that forked us to exit successfully. */
2502 daemonize_complete();
2504 vlog_enable_async();
2506 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name
, VERSION
);
2510 /* Refresh interface and mirror stats if necessary. */
2511 if (time_msec() >= iface_stats_timer
) {
2513 struct ovsdb_idl_txn
*txn
;
2515 txn
= ovsdb_idl_txn_create(idl
);
2516 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2520 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2521 struct iface
*iface
;
2523 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2524 iface_refresh_stats(iface
);
2525 iface_refresh_status(iface
);
2528 port_refresh_stp_stats(port
);
2531 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
2532 mirror_refresh_stats(m
);
2536 refresh_controller_status();
2537 ovsdb_idl_txn_commit(txn
);
2538 ovsdb_idl_txn_destroy(txn
); /* XXX */
2541 iface_stats_timer
= time_msec() + IFACE_STATS_INTERVAL
;
2545 instant_stats_run();
2554 ovsdb_idl_wait(idl
);
2555 if (daemonize_txn
) {
2556 ovsdb_idl_txn_wait(daemonize_txn
);
2559 if (reconfiguring
) {
2560 poll_immediate_wake();
2564 ofproto_enumerate_types(&types
);
2565 SSET_FOR_EACH (type
, &types
) {
2566 ofproto_type_wait(type
);
2568 sset_destroy(&types
);
2570 if (!hmap_is_empty(&all_bridges
)) {
2573 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2574 ofproto_wait(br
->ofproto
);
2576 poll_timer_wait_until(iface_stats_timer
);
2579 system_stats_wait();
2580 instant_stats_wait();
2583 /* Adds some memory usage statistics for bridges into 'usage', for use with
2584 * memory_report(). */
2586 bridge_get_memory_usage(struct simap
*usage
)
2590 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2591 ofproto_get_memory_usage(br
->ofproto
, usage
);
2595 /* QoS unixctl user interface functions. */
2597 struct qos_unixctl_show_cbdata
{
2599 struct iface
*iface
;
2603 qos_unixctl_show_queue(unsigned int queue_id
,
2604 const struct smap
*details
,
2605 struct iface
*iface
,
2608 struct netdev_queue_stats stats
;
2609 struct smap_node
*node
;
2612 ds_put_cstr(ds
, "\n");
2614 ds_put_format(ds
, "Queue %u:\n", queue_id
);
2616 ds_put_cstr(ds
, "Default:\n");
2619 SMAP_FOR_EACH (node
, details
) {
2620 ds_put_format(ds
, "\t%s: %s\n", node
->key
, node
->value
);
2623 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
2625 if (stats
.tx_packets
!= UINT64_MAX
) {
2626 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
2629 if (stats
.tx_bytes
!= UINT64_MAX
) {
2630 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
2633 if (stats
.tx_errors
!= UINT64_MAX
) {
2634 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
2637 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
2638 queue_id
, ovs_strerror(error
));
2643 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2644 const char *argv
[], void *aux OVS_UNUSED
)
2646 struct ds ds
= DS_EMPTY_INITIALIZER
;
2647 struct smap smap
= SMAP_INITIALIZER(&smap
);
2648 struct iface
*iface
;
2650 struct smap_node
*node
;
2652 iface
= iface_find(argv
[1]);
2654 unixctl_command_reply_error(conn
, "no such interface");
2658 netdev_get_qos(iface
->netdev
, &type
, &smap
);
2660 if (*type
!= '\0') {
2661 struct netdev_queue_dump dump
;
2662 struct smap details
;
2663 unsigned int queue_id
;
2665 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
2667 SMAP_FOR_EACH (node
, &smap
) {
2668 ds_put_format(&ds
, "%s: %s\n", node
->key
, node
->value
);
2671 smap_init(&details
);
2672 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
2673 qos_unixctl_show_queue(queue_id
, &details
, iface
, &ds
);
2675 smap_destroy(&details
);
2677 unixctl_command_reply(conn
, ds_cstr(&ds
));
2679 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
2680 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
2683 smap_destroy(&smap
);
2687 /* Bridge reconfiguration functions. */
2689 bridge_create(const struct ovsrec_bridge
*br_cfg
)
2693 ovs_assert(!bridge_lookup(br_cfg
->name
));
2694 br
= xzalloc(sizeof *br
);
2696 br
->name
= xstrdup(br_cfg
->name
);
2697 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
2700 /* Derive the default Ethernet address from the bridge's UUID. This should
2701 * be unique and it will be stable between ovs-vswitchd runs. */
2702 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
2703 eth_addr_mark_random(br
->default_ea
);
2705 hmap_init(&br
->ports
);
2706 hmap_init(&br
->ifaces
);
2707 hmap_init(&br
->iface_by_name
);
2708 hmap_init(&br
->mirrors
);
2710 hmap_init(&br
->if_cfg_todo
);
2711 list_init(&br
->ofpp_garbage
);
2713 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
2717 bridge_destroy(struct bridge
*br
)
2720 struct mirror
*mirror
, *next_mirror
;
2721 struct port
*port
, *next_port
;
2722 struct if_cfg
*if_cfg
, *next_if_cfg
;
2723 struct ofpp_garbage
*garbage
, *next_garbage
;
2725 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
2728 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
2729 mirror_destroy(mirror
);
2731 HMAP_FOR_EACH_SAFE (if_cfg
, next_if_cfg
, hmap_node
, &br
->if_cfg_todo
) {
2732 hmap_remove(&br
->if_cfg_todo
, &if_cfg
->hmap_node
);
2735 LIST_FOR_EACH_SAFE (garbage
, next_garbage
, list_node
,
2736 &br
->ofpp_garbage
) {
2737 list_remove(&garbage
->list_node
);
2741 hmap_remove(&all_bridges
, &br
->node
);
2742 ofproto_destroy(br
->ofproto
);
2743 hmap_destroy(&br
->ifaces
);
2744 hmap_destroy(&br
->ports
);
2745 hmap_destroy(&br
->iface_by_name
);
2746 hmap_destroy(&br
->mirrors
);
2747 hmap_destroy(&br
->if_cfg_todo
);
2754 static struct bridge
*
2755 bridge_lookup(const char *name
)
2759 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
2760 if (!strcmp(br
->name
, name
)) {
2767 /* Handle requests for a listing of all flows known by the OpenFlow
2768 * stack, including those normally hidden. */
2770 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2771 const char *argv
[], void *aux OVS_UNUSED
)
2776 br
= bridge_lookup(argv
[1]);
2778 unixctl_command_reply_error(conn
, "Unknown bridge");
2783 ofproto_get_all_flows(br
->ofproto
, &results
);
2785 unixctl_command_reply(conn
, ds_cstr(&results
));
2786 ds_destroy(&results
);
2789 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2790 * connections and reconnect. If BRIDGE is not specified, then all bridges
2791 * drop their controller connections and reconnect. */
2793 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
2794 const char *argv
[], void *aux OVS_UNUSED
)
2798 br
= bridge_lookup(argv
[1]);
2800 unixctl_command_reply_error(conn
, "Unknown bridge");
2803 ofproto_reconnect_controllers(br
->ofproto
);
2805 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2806 ofproto_reconnect_controllers(br
->ofproto
);
2809 unixctl_command_reply(conn
, NULL
);
2813 bridge_get_controllers(const struct bridge
*br
,
2814 struct ovsrec_controller
***controllersp
)
2816 struct ovsrec_controller
**controllers
;
2817 size_t n_controllers
;
2819 controllers
= br
->cfg
->controller
;
2820 n_controllers
= br
->cfg
->n_controller
;
2822 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
2828 *controllersp
= controllers
;
2830 return n_controllers
;
2834 bridge_queue_if_cfg(struct bridge
*br
,
2835 const struct ovsrec_interface
*cfg
,
2836 const struct ovsrec_port
*parent
)
2838 struct if_cfg
*if_cfg
= xmalloc(sizeof *if_cfg
);
2841 if_cfg
->parent
= parent
;
2842 if_cfg
->ofport
= iface_pick_ofport(cfg
);
2843 hmap_insert(&br
->if_cfg_todo
, &if_cfg
->hmap_node
,
2844 hash_string(if_cfg
->cfg
->name
, 0));
2847 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2848 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2849 * 'br' needs to complete its configuration. */
2851 bridge_add_del_ports(struct bridge
*br
,
2852 const unsigned long int *splinter_vlans
)
2854 struct shash_node
*port_node
;
2855 struct port
*port
, *next
;
2856 struct shash new_ports
;
2859 ovs_assert(hmap_is_empty(&br
->if_cfg_todo
));
2861 /* Collect new ports. */
2862 shash_init(&new_ports
);
2863 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
2864 const char *name
= br
->cfg
->ports
[i
]->name
;
2865 if (!shash_add_once(&new_ports
, name
, br
->cfg
->ports
[i
])) {
2866 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2870 if (bridge_get_controllers(br
, NULL
)
2871 && !shash_find(&new_ports
, br
->name
)) {
2872 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2873 br
->name
, br
->name
);
2875 ovsrec_interface_init(&br
->synth_local_iface
);
2876 ovsrec_port_init(&br
->synth_local_port
);
2878 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
2879 br
->synth_local_port
.n_interfaces
= 1;
2880 br
->synth_local_port
.name
= br
->name
;
2882 br
->synth_local_iface
.name
= br
->name
;
2883 br
->synth_local_iface
.type
= "internal";
2885 br
->synth_local_ifacep
= &br
->synth_local_iface
;
2887 shash_add(&new_ports
, br
->name
, &br
->synth_local_port
);
2890 if (splinter_vlans
) {
2891 add_vlan_splinter_ports(br
, splinter_vlans
, &new_ports
);
2894 /* Get rid of deleted ports.
2895 * Get rid of deleted interfaces on ports that still exist. */
2896 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
2897 port
->cfg
= shash_find_data(&new_ports
, port
->name
);
2901 port_del_ifaces(port
);
2905 /* Update iface->cfg and iface->type in interfaces that still exist.
2906 * Add new interfaces to creation queue. */
2907 SHASH_FOR_EACH (port_node
, &new_ports
) {
2908 const struct ovsrec_port
*port
= port_node
->data
;
2911 for (i
= 0; i
< port
->n_interfaces
; i
++) {
2912 const struct ovsrec_interface
*cfg
= port
->interfaces
[i
];
2913 struct iface
*iface
= iface_lookup(br
, cfg
->name
);
2914 const char *type
= iface_get_type(cfg
, br
->cfg
);
2919 } else if (!strcmp(type
, "null")) {
2920 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2921 " may be removed in February 2013. Please email"
2922 " dev@openvswitch.org with concerns.",
2925 bridge_queue_if_cfg(br
, cfg
, port
);
2930 shash_destroy(&new_ports
);
2933 /* Initializes 'oc' appropriately as a management service controller for
2936 * The caller must free oc->target when it is no longer needed. */
2938 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
2939 struct ofproto_controller
*oc
)
2941 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
2942 oc
->max_backoff
= 0;
2943 oc
->probe_interval
= 60;
2944 oc
->band
= OFPROTO_OUT_OF_BAND
;
2946 oc
->burst_limit
= 0;
2947 oc
->enable_async_msgs
= true;
2950 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2952 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
2953 struct ofproto_controller
*oc
)
2957 oc
->target
= c
->target
;
2958 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
2959 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
2960 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
2961 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
2962 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
2963 oc
->burst_limit
= (c
->controller_burst_limit
2964 ? *c
->controller_burst_limit
: 0);
2965 oc
->enable_async_msgs
= (!c
->enable_async_messages
2966 || *c
->enable_async_messages
);
2967 dscp
= smap_get_int(&c
->other_config
, "dscp", DSCP_DEFAULT
);
2968 if (dscp
< 0 || dscp
> 63) {
2969 dscp
= DSCP_DEFAULT
;
2974 /* Configures the IP stack for 'br''s local interface properly according to the
2975 * configuration in 'c'. */
2977 bridge_configure_local_iface_netdev(struct bridge
*br
,
2978 struct ovsrec_controller
*c
)
2980 struct netdev
*netdev
;
2981 struct in_addr mask
, gateway
;
2983 struct iface
*local_iface
;
2986 /* If there's no local interface or no IP address, give up. */
2987 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
2988 if (!local_iface
|| !c
->local_ip
|| !inet_aton(c
->local_ip
, &ip
)) {
2992 /* Bring up the local interface. */
2993 netdev
= local_iface
->netdev
;
2994 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
2996 /* Configure the IP address and netmask. */
2997 if (!c
->local_netmask
2998 || !inet_aton(c
->local_netmask
, &mask
)
3000 mask
.s_addr
= guess_netmask(ip
.s_addr
);
3002 if (!netdev_set_in4(netdev
, ip
, mask
)) {
3003 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
3004 br
->name
, IP_ARGS(ip
.s_addr
), IP_ARGS(mask
.s_addr
));
3007 /* Configure the default gateway. */
3008 if (c
->local_gateway
3009 && inet_aton(c
->local_gateway
, &gateway
)
3010 && gateway
.s_addr
) {
3011 if (!netdev_add_router(netdev
, gateway
)) {
3012 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
3013 br
->name
, IP_ARGS(gateway
.s_addr
));
3018 /* Returns true if 'a' and 'b' are the same except that any number of slashes
3019 * in either string are treated as equal to any number of slashes in the other,
3020 * e.g. "x///y" is equal to "x/y".
3022 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
3023 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
3024 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
3025 * 'b' against a prefix of 'a'.
3028 equal_pathnames(const char *a
, const char *b
, size_t b_stoplen
)
3030 const char *b_start
= b
;
3032 if (b
- b_start
>= b_stoplen
) {
3034 } else if (*a
!= *b
) {
3036 } else if (*a
== '/') {
3037 a
+= strspn(a
, "/");
3038 b
+= strspn(b
, "/");
3039 } else if (*a
== '\0') {
3049 bridge_configure_remotes(struct bridge
*br
,
3050 const struct sockaddr_in
*managers
, size_t n_managers
)
3052 bool disable_in_band
;
3054 struct ovsrec_controller
**controllers
;
3055 size_t n_controllers
;
3057 enum ofproto_fail_mode fail_mode
;
3059 struct ofproto_controller
*ocs
;
3063 /* Check if we should disable in-band control on this bridge. */
3064 disable_in_band
= smap_get_bool(&br
->cfg
->other_config
, "disable-in-band",
3067 /* Set OpenFlow queue ID for in-band control. */
3068 ofproto_set_in_band_queue(br
->ofproto
,
3069 smap_get_int(&br
->cfg
->other_config
,
3070 "in-band-queue", -1));
3072 if (disable_in_band
) {
3073 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
3075 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
3078 n_controllers
= bridge_get_controllers(br
, &controllers
);
3080 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
3083 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
3084 for (i
= 0; i
< n_controllers
; i
++) {
3085 struct ovsrec_controller
*c
= controllers
[i
];
3087 if (!strncmp(c
->target
, "punix:", 6)
3088 || !strncmp(c
->target
, "unix:", 5)) {
3089 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3092 if (!strncmp(c
->target
, "unix:", 5)) {
3093 /* Connect to a listening socket */
3094 whitelist
= xasprintf("unix:%s/", ovs_rundir());
3095 if (strchr(c
->target
, '/') &&
3096 !equal_pathnames(c
->target
, whitelist
,
3097 strlen(whitelist
))) {
3098 /* Absolute path specified, but not in ovs_rundir */
3099 VLOG_ERR_RL(&rl
, "bridge %s: Not connecting to socket "
3100 "controller \"%s\" due to possibility for "
3101 "remote exploit. Instead, specify socket "
3102 "in whitelisted \"%s\" or connect to "
3103 "\"unix:%s/%s.mgmt\" (which is always "
3104 "available without special configuration).",
3105 br
->name
, c
->target
, whitelist
,
3106 ovs_rundir(), br
->name
);
3111 whitelist
= xasprintf("punix:%s/%s.controller",
3112 ovs_rundir(), br
->name
);
3113 if (!equal_pathnames(c
->target
, whitelist
, SIZE_MAX
)) {
3114 /* Prevent remote ovsdb-server users from accessing
3115 * arbitrary Unix domain sockets and overwriting arbitrary
3117 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
3118 "controller \"%s\" due to possibility of "
3119 "overwriting local files. Instead, specify "
3120 "whitelisted \"%s\" or connect to "
3121 "\"unix:%s/%s.mgmt\" (which is always "
3122 "available without special configuration).",
3123 br
->name
, c
->target
, whitelist
,
3124 ovs_rundir(), br
->name
);
3133 bridge_configure_local_iface_netdev(br
, c
);
3134 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
3135 if (disable_in_band
) {
3136 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
3141 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
,
3142 bridge_get_allowed_versions(br
));
3143 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
3146 /* Set the fail-mode. */
3147 fail_mode
= !br
->cfg
->fail_mode
3148 || !strcmp(br
->cfg
->fail_mode
, "standalone")
3149 ? OFPROTO_FAIL_STANDALONE
3150 : OFPROTO_FAIL_SECURE
;
3151 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
3153 /* Configure OpenFlow controller connection snooping. */
3154 if (!ofproto_has_snoops(br
->ofproto
)) {
3158 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
3159 ovs_rundir(), br
->name
));
3160 ofproto_set_snoops(br
->ofproto
, &snoops
);
3161 sset_destroy(&snoops
);
3166 bridge_configure_tables(struct bridge
*br
)
3168 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3172 n_tables
= ofproto_get_n_tables(br
->ofproto
);
3174 for (i
= 0; i
< n_tables
; i
++) {
3175 struct ofproto_table_settings s
;
3178 s
.max_flows
= UINT_MAX
;
3182 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
3183 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
3186 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
3187 s
.max_flows
= *cfg
->flow_limit
;
3189 if (cfg
->overflow_policy
3190 && !strcmp(cfg
->overflow_policy
, "evict")) {
3193 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
3194 for (k
= 0; k
< cfg
->n_groups
; k
++) {
3195 const char *string
= cfg
->groups
[k
];
3198 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
3200 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
3201 "'groups' (%s)", br
->name
, i
, msg
);
3203 } else if (*string
) {
3204 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
3205 "element '%s' contains trailing garbage",
3206 br
->name
, i
, cfg
->groups
[k
]);
3214 ofproto_configure_table(br
->ofproto
, i
, &s
);
3218 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
3219 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
3220 "%"PRId64
" not supported by this datapath", br
->name
,
3221 br
->cfg
->key_flow_tables
[j
]);
3226 bridge_configure_dp_desc(struct bridge
*br
)
3228 ofproto_set_dp_desc(br
->ofproto
,
3229 smap_get(&br
->cfg
->other_config
, "dp-desc"));
3232 /* Port functions. */
3234 static struct port
*
3235 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
3239 port
= xzalloc(sizeof *port
);
3241 port
->name
= xstrdup(cfg
->name
);
3243 list_init(&port
->ifaces
);
3245 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
3249 /* Deletes interfaces from 'port' that are no longer configured for it. */
3251 port_del_ifaces(struct port
*port
)
3253 struct iface
*iface
, *next
;
3254 struct sset new_ifaces
;
3257 /* Collect list of new interfaces. */
3258 sset_init(&new_ifaces
);
3259 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
3260 const char *name
= port
->cfg
->interfaces
[i
]->name
;
3261 const char *type
= port
->cfg
->interfaces
[i
]->type
;
3262 if (strcmp(type
, "null")) {
3263 sset_add(&new_ifaces
, name
);
3267 /* Get rid of deleted interfaces. */
3268 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3269 if (!sset_contains(&new_ifaces
, iface
->name
)) {
3270 iface_destroy(iface
);
3274 sset_destroy(&new_ifaces
);
3278 port_destroy(struct port
*port
)
3281 struct bridge
*br
= port
->bridge
;
3282 struct iface
*iface
, *next
;
3285 ofproto_bundle_unregister(br
->ofproto
, port
);
3288 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3289 iface_destroy(iface
);
3292 hmap_remove(&br
->ports
, &port
->hmap_node
);
3298 static struct port
*
3299 port_lookup(const struct bridge
*br
, const char *name
)
3303 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
3305 if (!strcmp(port
->name
, name
)) {
3313 enable_lacp(struct port
*port
, bool *activep
)
3315 if (!port
->cfg
->lacp
) {
3316 /* XXX when LACP implementation has been sufficiently tested, enable by
3317 * default and make active on bonded ports. */
3319 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
3321 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
3324 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
3328 VLOG_WARN("port %s: unknown LACP mode %s",
3329 port
->name
, port
->cfg
->lacp
);
3334 static struct lacp_settings
*
3335 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
3337 const char *lacp_time
, *system_id
;
3340 if (!enable_lacp(port
, &s
->active
)) {
3344 s
->name
= port
->name
;
3346 system_id
= smap_get(&port
->cfg
->other_config
, "lacp-system-id");
3348 if (!ovs_scan(system_id
, ETH_ADDR_SCAN_FMT
,
3349 ETH_ADDR_SCAN_ARGS(s
->id
))) {
3350 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3351 " address.", port
->name
, system_id
);
3355 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
3358 if (eth_addr_is_zero(s
->id
)) {
3359 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
3363 /* Prefer bondable links if unspecified. */
3364 priority
= smap_get_int(&port
->cfg
->other_config
, "lacp-system-priority",
3366 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
3368 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
3370 lacp_time
= smap_get(&port
->cfg
->other_config
, "lacp-time");
3371 s
->fast
= lacp_time
&& !strcasecmp(lacp_time
, "fast");
3373 s
->fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
3374 "lacp-fallback-ab", false);
3380 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
3382 int priority
, portid
, key
;
3384 portid
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-id", 0);
3385 priority
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-priority",
3387 key
= smap_get_int(&iface
->cfg
->other_config
, "lacp-aggregation-key", 0);
3389 if (portid
<= 0 || portid
> UINT16_MAX
) {
3390 portid
= ofp_to_u16(iface
->ofp_port
);
3393 if (priority
<= 0 || priority
> UINT16_MAX
) {
3394 priority
= UINT16_MAX
;
3397 if (key
< 0 || key
> UINT16_MAX
) {
3401 s
->name
= iface
->name
;
3403 s
->priority
= priority
;
3408 port_configure_bond(struct port
*port
, struct bond_settings
*s
)
3410 const char *detect_s
;
3411 struct iface
*iface
;
3412 int miimon_interval
;
3414 s
->name
= port
->name
;
3416 if (port
->cfg
->bond_mode
) {
3417 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
3418 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3419 port
->name
, port
->cfg
->bond_mode
,
3420 bond_mode_to_string(s
->balance
));
3423 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
3425 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3426 * active-backup. At some point we should remove this warning. */
3427 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
3428 " in previous versions, the default bond_mode was"
3429 " balance-slb", port
->name
,
3430 bond_mode_to_string(s
->balance
));
3432 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
3433 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3434 "please use another bond type or disable flood_vlans",
3438 miimon_interval
= smap_get_int(&port
->cfg
->other_config
,
3439 "bond-miimon-interval", 0);
3440 if (miimon_interval
<= 0) {
3441 miimon_interval
= 200;
3444 detect_s
= smap_get(&port
->cfg
->other_config
, "bond-detect-mode");
3445 if (!detect_s
|| !strcmp(detect_s
, "carrier")) {
3446 miimon_interval
= 0;
3447 } else if (strcmp(detect_s
, "miimon")) {
3448 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3449 "defaulting to carrier", port
->name
, detect_s
);
3450 miimon_interval
= 0;
3453 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
3454 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
3455 s
->basis
= smap_get_int(&port
->cfg
->other_config
, "bond-hash-basis", 0);
3456 s
->rebalance_interval
= smap_get_int(&port
->cfg
->other_config
,
3457 "bond-rebalance-interval", 10000);
3458 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
3459 s
->rebalance_interval
= 1000;
3462 s
->fake_iface
= port
->cfg
->bond_fake_iface
;
3464 s
->lacp_fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
3465 "lacp-fallback-ab", false);
3467 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
3468 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
3472 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3473 * instead of obtaining it from the database. */
3475 port_is_synthetic(const struct port
*port
)
3477 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
3480 /* Interface functions. */
3483 iface_is_internal(const struct ovsrec_interface
*iface
,
3484 const struct ovsrec_bridge
*br
)
3486 /* The local port and "internal" ports are always "internal". */
3487 return !strcmp(iface
->type
, "internal") || !strcmp(iface
->name
, br
->name
);
3490 /* Returns the correct network device type for interface 'iface' in bridge
3493 iface_get_type(const struct ovsrec_interface
*iface
,
3494 const struct ovsrec_bridge
*br
)
3498 /* The local port always has type "internal". Other ports take
3499 * their type from the database and default to "system" if none is
3501 if (iface_is_internal(iface
, br
)) {
3504 type
= iface
->type
[0] ? iface
->type
: "system";
3507 return ofproto_port_open_type(br
->datapath_type
, type
);
3511 iface_destroy(struct iface
*iface
)
3514 struct port
*port
= iface
->port
;
3515 struct bridge
*br
= port
->bridge
;
3517 if (br
->ofproto
&& iface
->ofp_port
!= OFPP_NONE
) {
3518 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
3521 if (iface
->ofp_port
!= OFPP_NONE
) {
3522 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
3525 list_remove(&iface
->port_elem
);
3526 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
3528 netdev_close(iface
->netdev
);
3535 static struct iface
*
3536 iface_lookup(const struct bridge
*br
, const char *name
)
3538 struct iface
*iface
;
3540 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
3541 &br
->iface_by_name
) {
3542 if (!strcmp(iface
->name
, name
)) {
3550 static struct iface
*
3551 iface_find(const char *name
)
3553 const struct bridge
*br
;
3555 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3556 struct iface
*iface
= iface_lookup(br
, name
);
3565 static struct if_cfg
*
3566 if_cfg_lookup(const struct bridge
*br
, const char *name
)
3568 struct if_cfg
*if_cfg
;
3570 HMAP_FOR_EACH_WITH_HASH (if_cfg
, hmap_node
, hash_string(name
, 0),
3572 if (!strcmp(if_cfg
->cfg
->name
, name
)) {
3580 static struct iface
*
3581 iface_from_ofp_port(const struct bridge
*br
, ofp_port_t ofp_port
)
3583 struct iface
*iface
;
3585 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
, hash_ofp_port(ofp_port
),
3587 if (iface
->ofp_port
== ofp_port
) {
3594 /* Set Ethernet address of 'iface', if one is specified in the configuration
3597 iface_set_mac(struct iface
*iface
)
3599 uint8_t ea
[ETH_ADDR_LEN
];
3601 if (!strcmp(iface
->type
, "internal")
3602 && iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
3603 if (iface
->ofp_port
== OFPP_LOCAL
) {
3604 VLOG_ERR("interface %s: ignoring mac in Interface record "
3605 "(use Bridge record to set local port's mac)",
3607 } else if (eth_addr_is_multicast(ea
)) {
3608 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3611 int error
= netdev_set_etheraddr(iface
->netdev
, ea
);
3613 VLOG_ERR("interface %s: setting MAC failed (%s)",
3614 iface
->name
, ovs_strerror(error
));
3620 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3622 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, ofp_port_t ofport
)
3624 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3625 int64_t port
= ofport
== OFPP_NONE
? -1 : ofp_to_u16(ofport
);
3626 ovsrec_interface_set_ofport(if_cfg
, &port
, 1);
3630 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3631 * sets the "ofport" field to -1.
3633 * This is appropriate when 'if_cfg''s interface cannot be created or is
3634 * otherwise invalid. */
3636 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
)
3638 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3639 ovsrec_interface_set_status(if_cfg
, NULL
);
3640 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
3641 ovsrec_interface_set_duplex(if_cfg
, NULL
);
3642 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
3643 ovsrec_interface_set_link_state(if_cfg
, NULL
);
3644 ovsrec_interface_set_mac_in_use(if_cfg
, NULL
);
3645 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
3646 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
3647 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
3648 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
3649 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
3650 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
3651 ovsrec_interface_set_ifindex(if_cfg
, NULL
, 0);
3656 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
3658 union ovsdb_atom atom
;
3660 atom
.integer
= target
;
3661 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
3665 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
3667 struct ofpbuf queues_buf
;
3669 ofpbuf_init(&queues_buf
, 0);
3671 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
3672 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
3674 const struct ovsdb_datum
*queues
;
3675 struct netdev_queue_dump dump
;
3676 unsigned int queue_id
;
3677 struct smap details
;
3681 /* Configure top-level Qos for 'iface'. */
3682 netdev_set_qos(iface
->netdev
, qos
->type
, &qos
->other_config
);
3684 /* Deconfigure queues that were deleted. */
3685 queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
3687 smap_init(&details
);
3688 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
3689 if (!queue_ids_include(queues
, queue_id
)) {
3690 netdev_delete_queue(iface
->netdev
, queue_id
);
3693 smap_destroy(&details
);
3695 /* Configure queues for 'iface'. */
3697 for (i
= 0; i
< qos
->n_queues
; i
++) {
3698 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
3699 unsigned int queue_id
= qos
->key_queues
[i
];
3701 if (queue_id
== 0) {
3705 if (queue
->n_dscp
== 1) {
3706 struct ofproto_port_queue
*port_queue
;
3708 port_queue
= ofpbuf_put_uninit(&queues_buf
,
3709 sizeof *port_queue
);
3710 port_queue
->queue
= queue_id
;
3711 port_queue
->dscp
= queue
->dscp
[0];
3714 netdev_set_queue(iface
->netdev
, queue_id
, &queue
->other_config
);
3717 struct smap details
;
3719 smap_init(&details
);
3720 netdev_set_queue(iface
->netdev
, 0, &details
);
3721 smap_destroy(&details
);
3725 if (iface
->ofp_port
!= OFPP_NONE
) {
3726 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
3727 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
3729 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
3730 port_queues
, n_queues
);
3733 netdev_set_policing(iface
->netdev
,
3734 iface
->cfg
->ingress_policing_rate
,
3735 iface
->cfg
->ingress_policing_burst
);
3737 ofpbuf_uninit(&queues_buf
);
3741 iface_configure_cfm(struct iface
*iface
)
3743 const struct ovsrec_interface
*cfg
= iface
->cfg
;
3744 const char *opstate_str
;
3745 const char *cfm_ccm_vlan
;
3746 struct cfm_settings s
;
3747 struct smap netdev_args
;
3749 if (!cfg
->n_cfm_mpid
) {
3750 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
3754 s
.check_tnl_key
= false;
3755 smap_init(&netdev_args
);
3756 if (!netdev_get_config(iface
->netdev
, &netdev_args
)) {
3757 const char *key
= smap_get(&netdev_args
, "key");
3758 const char *in_key
= smap_get(&netdev_args
, "in_key");
3760 s
.check_tnl_key
= (key
&& !strcmp(key
, "flow"))
3761 || (in_key
&& !strcmp(in_key
, "flow"));
3763 smap_destroy(&netdev_args
);
3765 s
.mpid
= *cfg
->cfm_mpid
;
3766 s
.interval
= smap_get_int(&iface
->cfg
->other_config
, "cfm_interval", 0);
3767 cfm_ccm_vlan
= smap_get(&iface
->cfg
->other_config
, "cfm_ccm_vlan");
3768 s
.ccm_pcp
= smap_get_int(&iface
->cfg
->other_config
, "cfm_ccm_pcp", 0);
3770 if (s
.interval
<= 0) {
3774 if (!cfm_ccm_vlan
) {
3776 } else if (!strcasecmp("random", cfm_ccm_vlan
)) {
3777 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
3779 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
3780 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
3785 s
.extended
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_extended",
3787 s
.demand
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_demand", false);
3789 opstate_str
= smap_get(&iface
->cfg
->other_config
, "cfm_opstate");
3790 s
.opup
= !opstate_str
|| !strcasecmp("up", opstate_str
);
3792 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
3795 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3796 * instead of obtaining it from the database. */
3798 iface_is_synthetic(const struct iface
*iface
)
3800 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
3804 iface_pick_ofport(const struct ovsrec_interface
*cfg
)
3806 ofp_port_t ofport
= cfg
->n_ofport
? u16_to_ofp(*cfg
->ofport
)
3808 return cfg
->n_ofport_request
? u16_to_ofp(*cfg
->ofport_request
)
3813 /* Port mirroring. */
3815 static struct mirror
*
3816 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
3820 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
3821 if (uuid_equals(uuid
, &m
->uuid
)) {
3829 bridge_configure_mirrors(struct bridge
*br
)
3831 const struct ovsdb_datum
*mc
;
3832 unsigned long *flood_vlans
;
3833 struct mirror
*m
, *next
;
3836 /* Get rid of deleted mirrors. */
3837 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
3838 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
3839 union ovsdb_atom atom
;
3841 atom
.uuid
= m
->uuid
;
3842 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3847 /* Add new mirrors and reconfigure existing ones. */
3848 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
3849 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
3850 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
3852 m
= mirror_create(br
, cfg
);
3855 if (!mirror_configure(m
)) {
3860 /* Update flooded vlans (for RSPAN). */
3861 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
3862 br
->cfg
->n_flood_vlans
);
3863 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
3864 bitmap_free(flood_vlans
);
3867 static struct mirror
*
3868 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
3872 m
= xzalloc(sizeof *m
);
3873 m
->uuid
= cfg
->header_
.uuid
;
3874 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
3876 m
->name
= xstrdup(cfg
->name
);
3882 mirror_destroy(struct mirror
*m
)
3885 struct bridge
*br
= m
->bridge
;
3888 ofproto_mirror_unregister(br
->ofproto
, m
);
3891 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
3898 mirror_collect_ports(struct mirror
*m
,
3899 struct ovsrec_port
**in_ports
, int n_in_ports
,
3900 void ***out_portsp
, size_t *n_out_portsp
)
3902 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
3903 size_t n_out_ports
= 0;
3906 for (i
= 0; i
< n_in_ports
; i
++) {
3907 const char *name
= in_ports
[i
]->name
;
3908 struct port
*port
= port_lookup(m
->bridge
, name
);
3910 out_ports
[n_out_ports
++] = port
;
3912 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3913 "port %s", m
->bridge
->name
, m
->name
, name
);
3916 *out_portsp
= out_ports
;
3917 *n_out_portsp
= n_out_ports
;
3921 mirror_configure(struct mirror
*m
)
3923 const struct ovsrec_mirror
*cfg
= m
->cfg
;
3924 struct ofproto_mirror_settings s
;
3927 if (strcmp(cfg
->name
, m
->name
)) {
3929 m
->name
= xstrdup(cfg
->name
);
3933 /* Get output port or VLAN. */
3934 if (cfg
->output_port
) {
3935 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
3936 if (!s
.out_bundle
) {
3937 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3938 m
->bridge
->name
, m
->name
);
3941 s
.out_vlan
= UINT16_MAX
;
3943 if (cfg
->output_vlan
) {
3944 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3945 "output vlan; ignoring output vlan",
3946 m
->bridge
->name
, m
->name
);
3948 } else if (cfg
->output_vlan
) {
3949 /* The database should prevent invalid VLAN values. */
3950 s
.out_bundle
= NULL
;
3951 s
.out_vlan
= *cfg
->output_vlan
;
3953 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3954 m
->bridge
->name
, m
->name
);
3958 /* Get port selection. */
3959 if (cfg
->select_all
) {
3960 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
3961 void **ports
= xmalloc(n_ports
* sizeof *ports
);
3966 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
3976 /* Get ports, dropping ports that don't exist.
3977 * The IDL ensures that there are no duplicates. */
3978 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
3979 &s
.srcs
, &s
.n_srcs
);
3980 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
3981 &s
.dsts
, &s
.n_dsts
);
3984 /* Get VLAN selection. */
3985 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
3988 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
3991 if (s
.srcs
!= s
.dsts
) {
4000 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4002 * This is deprecated. It is only for compatibility with broken device drivers
4003 * in old versions of Linux that do not properly support VLANs when VLAN
4004 * devices are not used. When broken device drivers are no longer in
4005 * widespread use, we will delete these interfaces. */
4007 static struct ovsrec_port
**recs
;
4008 static size_t n_recs
, allocated_recs
;
4010 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
4011 * splinters are reconfigured. */
4013 register_rec(struct ovsrec_port
*rec
)
4015 if (n_recs
>= allocated_recs
) {
4016 recs
= x2nrealloc(recs
, &allocated_recs
, sizeof *recs
);
4018 recs
[n_recs
++] = rec
;
4021 /* Frees all of the ports registered with register_reg(). */
4023 free_registered_recs(void)
4027 for (i
= 0; i
< n_recs
; i
++) {
4028 struct ovsrec_port
*port
= recs
[i
];
4031 for (j
= 0; j
< port
->n_interfaces
; j
++) {
4032 struct ovsrec_interface
*iface
= port
->interfaces
[j
];
4037 smap_destroy(&port
->other_config
);
4038 free(port
->interfaces
);
4046 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
4049 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
4051 return smap_get_bool(&iface_cfg
->other_config
, "enable-vlan-splinters",
4055 /* Figures out the set of VLANs that are in use for the purpose of VLAN
4058 * If VLAN splinters are enabled on at least one interface and any VLANs are in
4059 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
4060 * 4095 will not be set). The caller is responsible for freeing the bitmap,
4063 * If VLANs splinters are not enabled on any interface or if no VLANs are in
4064 * use, returns NULL.
4066 * Updates 'vlan_splinters_enabled_anywhere'. */
4067 static unsigned long int *
4068 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
4070 unsigned long int *splinter_vlans
;
4071 struct sset splinter_ifaces
;
4072 const char *real_dev_name
;
4073 struct shash
*real_devs
;
4074 struct shash_node
*node
;
4078 /* Free space allocated for synthesized ports and interfaces, since we're
4079 * in the process of reconstructing all of them. */
4080 free_registered_recs();
4082 splinter_vlans
= bitmap_allocate(4096);
4083 sset_init(&splinter_ifaces
);
4084 vlan_splinters_enabled_anywhere
= false;
4085 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
4086 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
4089 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
4090 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
4093 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
4094 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
4096 if (vlan_splinters_is_enabled(iface_cfg
)) {
4097 vlan_splinters_enabled_anywhere
= true;
4098 sset_add(&splinter_ifaces
, iface_cfg
->name
);
4099 vlan_bitmap_from_array__(port_cfg
->trunks
,
4105 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
4106 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
4111 if (!vlan_splinters_enabled_anywhere
) {
4112 free(splinter_vlans
);
4113 sset_destroy(&splinter_ifaces
);
4117 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4119 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
4123 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
4124 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
4125 * device to be created for it. */
4126 bitmap_set0(splinter_vlans
, 0);
4127 bitmap_set0(splinter_vlans
, 4095);
4129 /* Delete all VLAN devices that we don't need. */
4131 real_devs
= vlandev_get_real_devs();
4132 SHASH_FOR_EACH (node
, real_devs
) {
4133 const struct vlan_real_dev
*real_dev
= node
->data
;
4134 const struct vlan_dev
*vlan_dev
;
4135 bool real_dev_has_splinters
;
4137 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
4139 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
4140 if (!real_dev_has_splinters
4141 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
4142 struct netdev
*netdev
;
4144 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
4145 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
4146 !netdev_get_in6(netdev
, NULL
)) {
4147 /* It has an IP address configured, so we don't own
4148 * it. Don't delete it. */
4150 vlandev_del(vlan_dev
->name
);
4152 netdev_close(netdev
);
4159 /* Add all VLAN devices that we need. */
4160 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
4163 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4164 if (!vlandev_get_name(real_dev_name
, vid
)) {
4165 vlandev_add(real_dev_name
, vid
);
4172 sset_destroy(&splinter_ifaces
);
4174 if (bitmap_scan(splinter_vlans
, 0, 4096) >= 4096) {
4175 free(splinter_vlans
);
4178 return splinter_vlans
;
4181 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
4184 configure_splinter_port(struct port
*port
)
4186 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
4187 ofp_port_t realdev_ofp_port
;
4188 const char *realdev_name
;
4189 struct iface
*vlandev
, *realdev
;
4191 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
4193 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
4196 realdev_name
= smap_get(&port
->cfg
->other_config
, "realdev");
4197 realdev
= iface_lookup(port
->bridge
, realdev_name
);
4198 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
4200 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
4204 static struct ovsrec_port
*
4205 synthesize_splinter_port(const char *real_dev_name
,
4206 const char *vlan_dev_name
, int vid
)
4208 struct ovsrec_interface
*iface
;
4209 struct ovsrec_port
*port
;
4211 iface
= xmalloc(sizeof *iface
);
4212 ovsrec_interface_init(iface
);
4213 iface
->name
= xstrdup(vlan_dev_name
);
4214 iface
->type
= "system";
4216 port
= xmalloc(sizeof *port
);
4217 ovsrec_port_init(port
);
4218 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
4219 port
->n_interfaces
= 1;
4220 port
->name
= xstrdup(vlan_dev_name
);
4221 port
->vlan_mode
= "splinter";
4222 port
->tag
= xmalloc(sizeof *port
->tag
);
4225 smap_add(&port
->other_config
, "realdev", real_dev_name
);
4231 /* For each interface with 'br' that has VLAN splinters enabled, adds a
4232 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
4233 * 1-bit in the 'splinter_vlans' bitmap. */
4235 add_vlan_splinter_ports(struct bridge
*br
,
4236 const unsigned long int *splinter_vlans
,
4237 struct shash
*ports
)
4241 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
4242 * we're modifying 'ports'. */
4243 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
4244 const char *name
= br
->cfg
->ports
[i
]->name
;
4245 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
4248 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
4249 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
4251 if (vlan_splinters_is_enabled(iface_cfg
)) {
4252 const char *real_dev_name
;
4255 real_dev_name
= iface_cfg
->name
;
4256 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4257 const char *vlan_dev_name
;
4259 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
4261 && !shash_find(ports
, vlan_dev_name
)) {
4262 shash_add(ports
, vlan_dev_name
,
4263 synthesize_splinter_port(
4264 real_dev_name
, vlan_dev_name
, vid
));
4273 mirror_refresh_stats(struct mirror
*m
)
4275 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
4276 uint64_t tx_packets
, tx_bytes
;
4279 size_t stat_cnt
= 0;
4281 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
4282 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
4286 if (tx_packets
!= UINT64_MAX
) {
4287 keys
[stat_cnt
] = "tx_packets";
4288 values
[stat_cnt
] = tx_packets
;
4291 if (tx_bytes
!= UINT64_MAX
) {
4292 keys
[stat_cnt
] = "tx_bytes";
4293 values
[stat_cnt
] = tx_bytes
;
4297 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);