1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 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"
25 #include "connectivity.h"
29 #include "dynamic-string.h"
36 #include "mac-learning.h"
37 #include "meta-flow.h"
39 #include "ofp-print.h"
42 #include "ofproto/bond.h"
43 #include "ofproto/ofproto.h"
44 #include "poll-loop.h"
49 #include "socket-util.h"
51 #include "stream-ssl.h"
53 #include "system-stats.h"
58 #include "lib/vswitch-idl.h"
59 #include "xenserver.h"
61 #include "sflow_api.h"
62 #include "vlan-bitmap.h"
64 VLOG_DEFINE_THIS_MODULE(bridge
);
66 COVERAGE_DEFINE(bridge_reconfigure
);
69 /* These members are always valid.
71 * They are immutable: they never change between iface_create() and
73 struct list port_elem
; /* Element in struct port's "ifaces" list. */
74 struct hmap_node name_node
; /* In struct bridge's "iface_by_name" hmap. */
75 struct hmap_node ofp_port_node
; /* In struct bridge's "ifaces" hmap. */
76 struct port
*port
; /* Containing port. */
77 char *name
; /* Host network device name. */
78 struct netdev
*netdev
; /* Network device. */
79 ofp_port_t ofp_port
; /* OpenFlow port number. */
82 /* These members are valid only within bridge_reconfigure(). */
83 const char *type
; /* Usually same as cfg->type. */
84 const struct ovsrec_interface
*cfg
;
88 struct uuid uuid
; /* UUID of this "mirror" record in database. */
89 struct hmap_node hmap_node
; /* In struct bridge's "mirrors" hmap. */
90 struct bridge
*bridge
;
92 const struct ovsrec_mirror
*cfg
;
96 struct hmap_node hmap_node
; /* Element in struct bridge's "ports" hmap. */
97 struct bridge
*bridge
;
100 const struct ovsrec_port
*cfg
;
102 /* An ordinary bridge port has 1 interface.
103 * A bridge port for bonding has at least 2 interfaces. */
104 struct list ifaces
; /* List of "struct iface"s. */
108 struct hmap_node node
; /* In 'all_bridges'. */
109 char *name
; /* User-specified arbitrary name. */
110 char *type
; /* Datapath type. */
111 uint8_t ea
[ETH_ADDR_LEN
]; /* Bridge Ethernet Address. */
112 uint8_t default_ea
[ETH_ADDR_LEN
]; /* Default MAC. */
113 const struct ovsrec_bridge
*cfg
;
115 /* OpenFlow switch processing. */
116 struct ofproto
*ofproto
; /* OpenFlow switch. */
119 struct hmap ports
; /* "struct port"s indexed by name. */
120 struct hmap ifaces
; /* "struct iface"s indexed by ofp_port. */
121 struct hmap iface_by_name
; /* "struct iface"s indexed by name. */
123 /* Port mirroring. */
124 struct hmap mirrors
; /* "struct mirror" indexed by UUID. */
126 /* Used during reconfiguration. */
127 struct shash wanted_ports
;
129 /* Synthetic local port if necessary. */
130 struct ovsrec_port synth_local_port
;
131 struct ovsrec_interface synth_local_iface
;
132 struct ovsrec_interface
*synth_local_ifacep
;
135 /* All bridges, indexed by name. */
136 static struct hmap all_bridges
= HMAP_INITIALIZER(&all_bridges
);
138 /* OVSDB IDL used to obtain configuration. */
139 static struct ovsdb_idl
*idl
;
141 /* We want to complete daemonization, fully detaching from our parent process,
142 * only after we have completed our initial configuration, committed our state
143 * to the database, and received confirmation back from the database server
144 * that it applied the commit. This allows our parent process to know that,
145 * post-detach, ephemeral fields such as datapath-id and ofport are very likely
146 * to have already been filled in. (It is only "very likely" rather than
147 * certain because there is always a slim possibility that the transaction will
148 * fail or that some other client has added new bridges, ports, etc. while
149 * ovs-vswitchd was configuring using an old configuration.)
151 * We only need to do this once for our initial configuration at startup, so
152 * 'initial_config_done' tracks whether we've already done it. While we are
153 * waiting for a response to our commit, 'daemonize_txn' tracks the transaction
154 * itself and is otherwise NULL. */
155 static bool initial_config_done
;
156 static struct ovsdb_idl_txn
*daemonize_txn
;
158 /* Most recently processed IDL sequence number. */
159 static unsigned int idl_seqno
;
161 /* Track changes to port connectivity. */
162 static uint64_t connectivity_seqno
= LLONG_MIN
;
164 /* Status update to database.
166 * Some information in the database must be kept as up-to-date as possible to
167 * allow controllers to respond rapidly to network outages. Those status are
168 * updated via the 'status_txn'.
170 * We use the global connectivity sequence number to detect the status change.
171 * Also, to prevent the status update from sending too much to the database,
172 * we check the return status of each update transaction and do not start new
173 * update if the previous transaction status is 'TXN_INCOMPLETE'.
175 * 'statux_txn' is NULL if there is no ongoing status update.
177 static struct ovsdb_idl_txn
*status_txn
;
179 /* When the status update transaction returns 'TXN_INCOMPLETE', should register a
180 * timeout in 'STATUS_CHECK_AGAIN_MSEC' to check again. */
181 #define STATUS_CHECK_AGAIN_MSEC 100
183 /* Each time this timer expires, the bridge fetches interface and mirror
184 * statistics and pushes them into the database. */
185 static int stats_timer_interval
;
186 static long long int stats_timer
= LLONG_MIN
;
188 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
189 * expensive. This can cause bridge_reconfigure() to take a long time during
190 * which no other work can be done. To deal with this problem, we limit port
191 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
192 * call to bridge_reconfigure(). If there is more work to do after the limit
193 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
194 * This allows the rest of the code to catch up on important things like
195 * forwarding packets. */
196 #define OFP_PORT_ACTION_WINDOW 10
198 static void add_del_bridges(const struct ovsrec_open_vswitch
*);
199 static void bridge_run__(void);
200 static void bridge_create(const struct ovsrec_bridge
*);
201 static void bridge_destroy(struct bridge
*);
202 static struct bridge
*bridge_lookup(const char *name
);
203 static unixctl_cb_func bridge_unixctl_dump_flows
;
204 static unixctl_cb_func bridge_unixctl_reconnect
;
205 static size_t bridge_get_controllers(const struct bridge
*br
,
206 struct ovsrec_controller
***controllersp
);
207 static void bridge_collect_wanted_ports(struct bridge
*,
208 const unsigned long *splinter_vlans
,
209 struct shash
*wanted_ports
);
210 static void bridge_delete_ofprotos(void);
211 static void bridge_delete_or_reconfigure_ports(struct bridge
*);
212 static void bridge_del_ports(struct bridge
*,
213 const struct shash
*wanted_ports
);
214 static void bridge_add_ports(struct bridge
*,
215 const struct shash
*wanted_ports
);
217 static void bridge_configure_datapath_id(struct bridge
*);
218 static void bridge_configure_netflow(struct bridge
*);
219 static void bridge_configure_forward_bpdu(struct bridge
*);
220 static void bridge_configure_mac_table(struct bridge
*);
221 static void bridge_configure_sflow(struct bridge
*, int *sflow_bridge_number
);
222 static void bridge_configure_ipfix(struct bridge
*);
223 static void bridge_configure_stp(struct bridge
*);
224 static void bridge_configure_tables(struct bridge
*);
225 static void bridge_configure_dp_desc(struct bridge
*);
226 static void bridge_configure_remotes(struct bridge
*,
227 const struct sockaddr_in
*managers
,
229 static void bridge_pick_local_hw_addr(struct bridge
*,
230 uint8_t ea
[ETH_ADDR_LEN
],
231 struct iface
**hw_addr_iface
);
232 static uint64_t bridge_pick_datapath_id(struct bridge
*,
233 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
234 struct iface
*hw_addr_iface
);
235 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
236 static bool bridge_has_bond_fake_iface(const struct bridge
*,
238 static bool port_is_bond_fake_iface(const struct port
*);
240 static unixctl_cb_func qos_unixctl_show
;
242 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
243 static void port_del_ifaces(struct port
*);
244 static void port_destroy(struct port
*);
245 static struct port
*port_lookup(const struct bridge
*, const char *name
);
246 static void port_configure(struct port
*);
247 static struct lacp_settings
*port_configure_lacp(struct port
*,
248 struct lacp_settings
*);
249 static void port_configure_bond(struct port
*, struct bond_settings
*);
250 static bool port_is_synthetic(const struct port
*);
252 static void reconfigure_system_stats(const struct ovsrec_open_vswitch
*);
253 static void run_system_stats(void);
255 static void bridge_configure_mirrors(struct bridge
*);
256 static struct mirror
*mirror_create(struct bridge
*,
257 const struct ovsrec_mirror
*);
258 static void mirror_destroy(struct mirror
*);
259 static bool mirror_configure(struct mirror
*);
260 static void mirror_refresh_stats(struct mirror
*);
262 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
263 static bool iface_create(struct bridge
*, const struct ovsrec_interface
*,
264 const struct ovsrec_port
*);
265 static bool iface_is_internal(const struct ovsrec_interface
*iface
,
266 const struct ovsrec_bridge
*br
);
267 static const char *iface_get_type(const struct ovsrec_interface
*,
268 const struct ovsrec_bridge
*);
269 static void iface_destroy(struct iface
*);
270 static void iface_destroy__(struct iface
*);
271 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
272 static struct iface
*iface_find(const char *name
);
273 static struct iface
*iface_from_ofp_port(const struct bridge
*,
274 ofp_port_t ofp_port
);
275 static void iface_set_mac(const struct bridge
*, const struct port
*, struct iface
*);
276 static void iface_set_ofport(const struct ovsrec_interface
*, ofp_port_t ofport
);
277 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
);
278 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
279 static void iface_configure_cfm(struct iface
*);
280 static void iface_refresh_cfm_stats(struct iface
*);
281 static void iface_refresh_stats(struct iface
*);
282 static void iface_refresh_netdev_status(struct iface
*);
283 static void iface_refresh_ofproto_status(struct iface
*);
284 static bool iface_is_synthetic(const struct iface
*);
285 static ofp_port_t
iface_get_requested_ofp_port(
286 const struct ovsrec_interface
*);
287 static ofp_port_t
iface_pick_ofport(const struct ovsrec_interface
*);
289 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
291 * This is deprecated. It is only for compatibility with broken device drivers
292 * in old versions of Linux that do not properly support VLANs when VLAN
293 * devices are not used. When broken device drivers are no longer in
294 * widespread use, we will delete these interfaces. */
296 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
297 static bool vlan_splinters_enabled_anywhere
;
299 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
300 static unsigned long int *collect_splinter_vlans(
301 const struct ovsrec_open_vswitch
*);
302 static void configure_splinter_port(struct port
*);
303 static void add_vlan_splinter_ports(struct bridge
*,
304 const unsigned long int *splinter_vlans
,
305 struct shash
*ports
);
308 bridge_init_ofproto(const struct ovsrec_open_vswitch
*cfg
)
310 struct shash iface_hints
;
311 static bool initialized
= false;
318 shash_init(&iface_hints
);
321 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
322 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
325 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
326 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
329 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
330 struct ovsrec_interface
*if_cfg
= port_cfg
->interfaces
[k
];
331 struct iface_hint
*iface_hint
;
333 iface_hint
= xmalloc(sizeof *iface_hint
);
334 iface_hint
->br_name
= br_cfg
->name
;
335 iface_hint
->br_type
= br_cfg
->datapath_type
;
336 iface_hint
->ofp_port
= iface_pick_ofport(if_cfg
);
338 shash_add(&iface_hints
, if_cfg
->name
, iface_hint
);
344 ofproto_init(&iface_hints
);
346 shash_destroy_free_data(&iface_hints
);
350 /* Public functions. */
352 /* Initializes the bridge module, configuring it to obtain its configuration
353 * from an OVSDB server accessed over 'remote', which should be a string in a
354 * form acceptable to ovsdb_idl_create(). */
356 bridge_init(const char *remote
)
358 /* Create connection to database. */
359 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true, true);
360 idl_seqno
= ovsdb_idl_get_seqno(idl
);
361 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
362 ovsdb_idl_verify_write_only(idl
);
364 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
365 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
366 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
367 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
368 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
369 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
370 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
372 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
373 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
374 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
376 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
377 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
378 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
380 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
381 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
382 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
383 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
384 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
385 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mac_in_use
);
386 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ifindex
);
387 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
388 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
389 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
390 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
391 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
392 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
393 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
394 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_flap_count
);
395 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_health
);
396 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_opstate
);
397 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_bfd_status
);
398 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
399 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_error
);
400 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
402 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
403 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
404 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
405 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
407 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
409 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
411 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
412 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
414 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
415 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
416 ovsdb_idl_omit(idl
, &ovsrec_ipfix_col_external_ids
);
417 ovsdb_idl_omit(idl
, &ovsrec_flow_sample_collector_set_col_external_ids
);
419 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
420 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
421 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
422 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
423 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
425 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
427 /* Register unixctl commands. */
428 unixctl_command_register("qos/show", "interface", 1, 1,
429 qos_unixctl_show
, NULL
);
430 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
431 bridge_unixctl_dump_flows
, NULL
);
432 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
433 bridge_unixctl_reconnect
, NULL
);
443 struct bridge
*br
, *next_br
;
445 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
448 ovsdb_idl_destroy(idl
);
451 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
452 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
453 * responsible for freeing '*managersp' (with free()).
455 * You may be asking yourself "why does ovs-vswitchd care?", because
456 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
457 * should not be and in fact is not directly involved in that. But
458 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
459 * it has to tell in-band control where the managers are to enable that.
460 * (Thus, only managers connected in-band are collected.)
463 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
464 struct sockaddr_in
**managersp
, size_t *n_managersp
)
466 struct sockaddr_in
*managers
= NULL
;
467 size_t n_managers
= 0;
471 /* Collect all of the potential targets from the "targets" columns of the
472 * rows pointed to by "manager_options", excluding any that are
475 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
476 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
478 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
479 sset_find_and_delete(&targets
, m
->target
);
481 sset_add(&targets
, m
->target
);
485 /* Now extract the targets' IP addresses. */
486 if (!sset_is_empty(&targets
)) {
489 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
490 SSET_FOR_EACH (target
, &targets
) {
491 struct sockaddr_storage ss
;
493 if (stream_parse_target_with_default_port(target
, OVSDB_OLD_PORT
,
495 && ss
.ss_family
== AF_INET
) {
496 managers
[n_managers
++] = *(struct sockaddr_in
*) &ss
;
500 sset_destroy(&targets
);
502 *managersp
= managers
;
503 *n_managersp
= n_managers
;
507 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
509 unsigned long int *splinter_vlans
;
510 struct sockaddr_in
*managers
;
511 struct bridge
*br
, *next
;
512 int sflow_bridge_number
;
515 COVERAGE_INC(bridge_reconfigure
);
517 ofproto_set_flow_limit(smap_get_int(&ovs_cfg
->other_config
, "flow-limit",
518 OFPROTO_FLOW_LIMIT_DEFAULT
));
519 ofproto_set_max_idle(smap_get_int(&ovs_cfg
->other_config
, "max-idle",
520 OFPROTO_MAX_IDLE_DEFAULT
));
523 smap_get_int(&ovs_cfg
->other_config
, "n-handler-threads", 0),
524 smap_get_int(&ovs_cfg
->other_config
, "n-revalidator-threads", 0));
526 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
527 * to 'ovs_cfg', with only very minimal configuration otherwise.
529 * This is mostly an update to bridge data structures. Nothing is pushed
530 * down to ofproto or lower layers. */
531 add_del_bridges(ovs_cfg
);
532 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
533 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
534 bridge_collect_wanted_ports(br
, splinter_vlans
, &br
->wanted_ports
);
535 bridge_del_ports(br
, &br
->wanted_ports
);
537 free(splinter_vlans
);
539 /* Start pushing configuration changes down to the ofproto layer:
541 * - Delete ofprotos that are no longer configured.
543 * - Delete ports that are no longer configured.
545 * - Reconfigure existing ports to their desired configurations, or
546 * delete them if not possible.
548 * We have to do all the deletions before we can do any additions, because
549 * the ports to be added might require resources that will be freed up by
550 * deletions (they might especially overlap in name). */
551 bridge_delete_ofprotos();
552 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
554 bridge_delete_or_reconfigure_ports(br
);
558 /* Finish pushing configuration changes to the ofproto layer:
560 * - Create ofprotos that are missing.
562 * - Add ports that are missing. */
563 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
567 error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
569 VLOG_ERR("failed to create bridge %s: %s", br
->name
,
570 ovs_strerror(error
));
571 shash_destroy(&br
->wanted_ports
);
576 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
577 bridge_add_ports(br
, &br
->wanted_ports
);
578 shash_destroy(&br
->wanted_ports
);
581 reconfigure_system_stats(ovs_cfg
);
583 /* Complete the configuration. */
584 sflow_bridge_number
= 0;
585 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
586 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
589 /* We need the datapath ID early to allow LACP ports to use it as the
590 * default system ID. */
591 bridge_configure_datapath_id(br
);
593 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
596 port_configure(port
);
598 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
599 iface_set_ofport(iface
->cfg
, iface
->ofp_port
);
600 /* Clear eventual previous errors */
601 ovsrec_interface_set_error(iface
->cfg
, NULL
);
602 iface_configure_cfm(iface
);
603 iface_configure_qos(iface
, port
->cfg
->qos
);
604 iface_set_mac(br
, port
, iface
);
605 ofproto_port_set_bfd(br
->ofproto
, iface
->ofp_port
,
609 bridge_configure_mirrors(br
);
610 bridge_configure_forward_bpdu(br
);
611 bridge_configure_mac_table(br
);
612 bridge_configure_remotes(br
, managers
, n_managers
);
613 bridge_configure_netflow(br
);
614 bridge_configure_sflow(br
, &sflow_bridge_number
);
615 bridge_configure_ipfix(br
);
616 bridge_configure_stp(br
);
617 bridge_configure_tables(br
);
618 bridge_configure_dp_desc(br
);
622 /* The ofproto-dpif provider does some final reconfiguration in its
623 * ->type_run() function. We have to call it before notifying the database
624 * client that reconfiguration is complete, otherwise there is a very
625 * narrow race window in which e.g. ofproto/trace will not recognize the
626 * new configuration (sometimes this causes unit test failures). */
630 /* Delete ofprotos which aren't configured or have the wrong type. Create
631 * ofprotos which don't exist but need to. */
633 bridge_delete_ofprotos(void)
640 /* Delete ofprotos with no bridge or with the wrong type. */
643 ofproto_enumerate_types(&types
);
644 SSET_FOR_EACH (type
, &types
) {
647 ofproto_enumerate_names(type
, &names
);
648 SSET_FOR_EACH (name
, &names
) {
649 br
= bridge_lookup(name
);
650 if (!br
|| strcmp(type
, br
->type
)) {
651 ofproto_delete(name
, type
);
655 sset_destroy(&names
);
656 sset_destroy(&types
);
660 add_ofp_port(ofp_port_t port
, ofp_port_t
*ports
, size_t *n
, size_t *allocated
)
662 if (*n
>= *allocated
) {
663 ports
= x2nrealloc(ports
, allocated
, sizeof *ports
);
665 ports
[(*n
)++] = port
;
670 bridge_delete_or_reconfigure_ports(struct bridge
*br
)
672 struct ofproto_port ofproto_port
;
673 struct ofproto_port_dump dump
;
675 struct sset ofproto_ports
;
676 struct port
*port
, *port_next
;
678 /* List of "ofp_port"s to delete. We make a list instead of deleting them
679 * right away because ofproto implementations aren't necessarily able to
680 * iterate through a changing list of ports in an entirely robust way. */
687 sset_init(&ofproto_ports
);
689 /* Main task: Iterate over the ports in 'br->ofproto' and remove the ports
690 * that are not configured in the database. (This commonly happens when
691 * ports have been deleted, e.g. with "ovs-vsctl del-port".)
693 * Side tasks: Reconfigure the ports that are still in 'br'. Delete ports
694 * that have the wrong OpenFlow port number (and arrange to add them back
695 * with the correct OpenFlow port number). */
696 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
697 ofp_port_t requested_ofp_port
;
700 sset_add(&ofproto_ports
, ofproto_port
.name
);
702 iface
= iface_lookup(br
, ofproto_port
.name
);
704 /* No such iface is configured, so we should delete this
707 * As a corner case exception, keep the port if it's a bond fake
709 if (bridge_has_bond_fake_iface(br
, ofproto_port
.name
)
710 && !strcmp(ofproto_port
.type
, "internal")) {
716 if (strcmp(ofproto_port
.type
, iface
->type
)
717 || netdev_set_config(iface
->netdev
, &iface
->cfg
->options
, NULL
)) {
718 /* The interface is the wrong type or can't be configured.
723 /* If the requested OpenFlow port for 'iface' changed, and it's not
724 * already the correct port, then we might want to temporarily delete
725 * this interface, so we can add it back again with the new OpenFlow
727 requested_ofp_port
= iface_get_requested_ofp_port(iface
->cfg
);
728 if (iface
->ofp_port
!= OFPP_LOCAL
&&
729 requested_ofp_port
!= OFPP_NONE
&&
730 requested_ofp_port
!= iface
->ofp_port
) {
731 ofp_port_t victim_request
;
732 struct iface
*victim
;
734 /* Check for an existing OpenFlow port currently occupying
735 * 'iface''s requested port number. If there isn't one, then
736 * delete this port. Otherwise we need to consider further. */
737 victim
= iface_from_ofp_port(br
, requested_ofp_port
);
742 /* 'victim' is a port currently using 'iface''s requested port
743 * number. Unless 'victim' specifically requested that port
744 * number, too, then we can delete both 'iface' and 'victim'
745 * temporarily. (We'll add both of them back again later with new
746 * OpenFlow port numbers.)
748 * If 'victim' did request port number 'requested_ofp_port', just
749 * like 'iface', then that's a configuration inconsistency that we
750 * can't resolve. We might as well let it keep its current port
752 victim_request
= iface_get_requested_ofp_port(victim
->cfg
);
753 if (victim_request
!= requested_ofp_port
) {
754 del
= add_ofp_port(victim
->ofp_port
, del
, &n
, &allocated
);
755 iface_destroy(victim
);
764 iface_destroy(iface
);
765 del
= add_ofp_port(ofproto_port
.ofp_port
, del
, &n
, &allocated
);
767 for (i
= 0; i
< n
; i
++) {
768 ofproto_port_del(br
->ofproto
, del
[i
]);
772 /* Iterate over this module's idea of interfaces in 'br'. Remove any ports
773 * that we didn't see when we iterated through the datapath, i.e. ports
774 * that disappeared underneath use. This is an unusual situation, but it
775 * can happen in some cases:
777 * - An admin runs a command like "ovs-dpctl del-port" (which is a bad
778 * idea but could happen).
780 * - The port represented a device that disappeared, e.g. a tuntap
781 * device destroyed via "tunctl -d", a physical Ethernet device
782 * whose module was just unloaded via "rmmod", or a virtual NIC for a
783 * VM whose VM was just terminated. */
784 HMAP_FOR_EACH_SAFE (port
, port_next
, hmap_node
, &br
->ports
) {
785 struct iface
*iface
, *iface_next
;
787 LIST_FOR_EACH_SAFE (iface
, iface_next
, port_elem
, &port
->ifaces
) {
788 if (!sset_contains(&ofproto_ports
, iface
->name
)) {
789 iface_destroy__(iface
);
793 if (list_is_empty(&port
->ifaces
)) {
797 sset_destroy(&ofproto_ports
);
801 bridge_add_ports__(struct bridge
*br
, const struct shash
*wanted_ports
,
802 bool with_requested_port
)
804 struct shash_node
*port_node
;
806 SHASH_FOR_EACH (port_node
, wanted_ports
) {
807 const struct ovsrec_port
*port_cfg
= port_node
->data
;
810 for (i
= 0; i
< port_cfg
->n_interfaces
; i
++) {
811 const struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[i
];
812 ofp_port_t requested_ofp_port
;
814 requested_ofp_port
= iface_get_requested_ofp_port(iface_cfg
);
815 if ((requested_ofp_port
!= OFPP_NONE
) == with_requested_port
) {
816 struct iface
*iface
= iface_lookup(br
, iface_cfg
->name
);
819 iface_create(br
, iface_cfg
, port_cfg
);
827 bridge_add_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
829 /* First add interfaces that request a particular port number. */
830 bridge_add_ports__(br
, wanted_ports
, true);
832 /* Then add interfaces that want automatic port number assignment.
833 * We add these afterward to avoid accidentally taking a specifically
834 * requested port number. */
835 bridge_add_ports__(br
, wanted_ports
, false);
839 port_configure(struct port
*port
)
841 const struct ovsrec_port
*cfg
= port
->cfg
;
842 struct bond_settings bond_settings
;
843 struct lacp_settings lacp_settings
;
844 struct ofproto_bundle_settings s
;
847 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
848 configure_splinter_port(port
);
857 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
858 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
859 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
864 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
868 /* Get VLAN trunks. */
871 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
875 if (cfg
->vlan_mode
) {
876 if (!strcmp(cfg
->vlan_mode
, "access")) {
877 s
.vlan_mode
= PORT_VLAN_ACCESS
;
878 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
879 s
.vlan_mode
= PORT_VLAN_TRUNK
;
880 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
881 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
882 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
883 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
885 /* This "can't happen" because ovsdb-server should prevent it. */
886 VLOG_WARN("port %s: unknown VLAN mode %s, falling "
887 "back to trunk mode", port
->name
, cfg
->vlan_mode
);
888 s
.vlan_mode
= PORT_VLAN_TRUNK
;
892 s
.vlan_mode
= PORT_VLAN_ACCESS
;
894 VLOG_WARN("port %s: ignoring trunks in favor of implicit vlan",
898 s
.vlan_mode
= PORT_VLAN_TRUNK
;
901 s
.use_priority_tags
= smap_get_bool(&cfg
->other_config
, "priority-tags",
904 /* Get LACP settings. */
905 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
909 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
910 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
911 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
914 s
.lacp_slaves
= NULL
;
917 /* Get bond settings. */
918 if (s
.n_slaves
> 1) {
919 s
.bond
= &bond_settings
;
920 port_configure_bond(port
, &bond_settings
);
923 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
924 netdev_set_miimon_interval(iface
->netdev
, 0);
929 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
937 /* Pick local port hardware address and datapath ID for 'br'. */
939 bridge_configure_datapath_id(struct bridge
*br
)
941 uint8_t ea
[ETH_ADDR_LEN
];
943 struct iface
*local_iface
;
944 struct iface
*hw_addr_iface
;
947 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
948 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
950 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
952 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
953 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
954 "Ethernet address: %s",
955 br
->name
, ovs_strerror(error
));
958 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
960 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
961 if (dpid
!= ofproto_get_datapath_id(br
->ofproto
)) {
962 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64
, br
->name
, dpid
);
963 ofproto_set_datapath_id(br
->ofproto
, dpid
);
966 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
967 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
971 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
974 bridge_get_allowed_versions(struct bridge
*br
)
976 if (!br
->cfg
->n_protocols
)
979 return ofputil_versions_from_strings(br
->cfg
->protocols
,
980 br
->cfg
->n_protocols
);
983 /* Set NetFlow configuration on 'br'. */
985 bridge_configure_netflow(struct bridge
*br
)
987 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
988 struct netflow_options opts
;
991 ofproto_set_netflow(br
->ofproto
, NULL
);
995 memset(&opts
, 0, sizeof opts
);
997 /* Get default NetFlow configuration from datapath.
998 * Apply overrides from 'cfg'. */
999 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
1000 if (cfg
->engine_type
) {
1001 opts
.engine_type
= *cfg
->engine_type
;
1003 if (cfg
->engine_id
) {
1004 opts
.engine_id
= *cfg
->engine_id
;
1007 /* Configure active timeout interval. */
1008 opts
.active_timeout
= cfg
->active_timeout
;
1009 if (!opts
.active_timeout
) {
1010 opts
.active_timeout
= -1;
1011 } else if (opts
.active_timeout
< 0) {
1012 VLOG_WARN("bridge %s: active timeout interval set to negative "
1013 "value, using default instead (%d seconds)", br
->name
,
1014 NF_ACTIVE_TIMEOUT_DEFAULT
);
1015 opts
.active_timeout
= -1;
1018 /* Add engine ID to interface number to disambiguate bridgs? */
1019 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
1020 if (opts
.add_id_to_iface
) {
1021 if (opts
.engine_id
> 0x7f) {
1022 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
1023 "another vswitch, choose an engine id less than 128",
1026 if (hmap_count(&br
->ports
) > 508) {
1027 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
1028 "another port when more than 508 ports are used",
1034 sset_init(&opts
.collectors
);
1035 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
1038 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
1039 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
1041 sset_destroy(&opts
.collectors
);
1044 /* Set sFlow configuration on 'br'. */
1046 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
1048 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
1049 struct ovsrec_controller
**controllers
;
1050 struct ofproto_sflow_options oso
;
1051 size_t n_controllers
;
1055 ofproto_set_sflow(br
->ofproto
, NULL
);
1059 memset(&oso
, 0, sizeof oso
);
1061 sset_init(&oso
.targets
);
1062 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
1064 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1065 if (cfg
->sampling
) {
1066 oso
.sampling_rate
= *cfg
->sampling
;
1069 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
1071 oso
.polling_interval
= *cfg
->polling
;
1074 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
1076 oso
.header_len
= *cfg
->header
;
1079 oso
.sub_id
= (*sflow_bridge_number
)++;
1080 oso
.agent_device
= cfg
->agent
;
1082 oso
.control_ip
= NULL
;
1083 n_controllers
= bridge_get_controllers(br
, &controllers
);
1084 for (i
= 0; i
< n_controllers
; i
++) {
1085 if (controllers
[i
]->local_ip
) {
1086 oso
.control_ip
= controllers
[i
]->local_ip
;
1090 ofproto_set_sflow(br
->ofproto
, &oso
);
1092 sset_destroy(&oso
.targets
);
1095 /* Returns whether a IPFIX row is valid. */
1097 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix
*ipfix
)
1099 return ipfix
&& ipfix
->n_targets
> 0;
1102 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
1104 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set
*fscs
,
1105 const struct bridge
*br
)
1107 return ovsrec_ipfix_is_valid(fscs
->ipfix
) && fscs
->bridge
== br
->cfg
;
1110 /* Set IPFIX configuration on 'br'. */
1112 bridge_configure_ipfix(struct bridge
*br
)
1114 const struct ovsrec_ipfix
*be_cfg
= br
->cfg
->ipfix
;
1115 bool valid_be_cfg
= ovsrec_ipfix_is_valid(be_cfg
);
1116 const struct ovsrec_flow_sample_collector_set
*fe_cfg
;
1117 struct ofproto_ipfix_bridge_exporter_options be_opts
;
1118 struct ofproto_ipfix_flow_exporter_options
*fe_opts
= NULL
;
1119 size_t n_fe_opts
= 0;
1121 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1122 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1127 if (!valid_be_cfg
&& n_fe_opts
== 0) {
1128 ofproto_set_ipfix(br
->ofproto
, NULL
, NULL
, 0);
1133 memset(&be_opts
, 0, sizeof be_opts
);
1135 sset_init(&be_opts
.targets
);
1136 sset_add_array(&be_opts
.targets
, be_cfg
->targets
, be_cfg
->n_targets
);
1138 if (be_cfg
->sampling
) {
1139 be_opts
.sampling_rate
= *be_cfg
->sampling
;
1141 be_opts
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1143 if (be_cfg
->obs_domain_id
) {
1144 be_opts
.obs_domain_id
= *be_cfg
->obs_domain_id
;
1146 if (be_cfg
->obs_point_id
) {
1147 be_opts
.obs_point_id
= *be_cfg
->obs_point_id
;
1149 if (be_cfg
->cache_active_timeout
) {
1150 be_opts
.cache_active_timeout
= *be_cfg
->cache_active_timeout
;
1152 if (be_cfg
->cache_max_flows
) {
1153 be_opts
.cache_max_flows
= *be_cfg
->cache_max_flows
;
1157 if (n_fe_opts
> 0) {
1158 struct ofproto_ipfix_flow_exporter_options
*opts
;
1159 fe_opts
= xcalloc(n_fe_opts
, sizeof *fe_opts
);
1161 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1162 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1163 opts
->collector_set_id
= fe_cfg
->id
;
1164 sset_init(&opts
->targets
);
1165 sset_add_array(&opts
->targets
, fe_cfg
->ipfix
->targets
,
1166 fe_cfg
->ipfix
->n_targets
);
1167 opts
->cache_active_timeout
= fe_cfg
->ipfix
->cache_active_timeout
1168 ? *fe_cfg
->ipfix
->cache_active_timeout
: 0;
1169 opts
->cache_max_flows
= fe_cfg
->ipfix
->cache_max_flows
1170 ? *fe_cfg
->ipfix
->cache_max_flows
: 0;
1176 ofproto_set_ipfix(br
->ofproto
, valid_be_cfg
? &be_opts
: NULL
, fe_opts
,
1180 sset_destroy(&be_opts
.targets
);
1183 if (n_fe_opts
> 0) {
1184 struct ofproto_ipfix_flow_exporter_options
*opts
= fe_opts
;
1186 for (i
= 0; i
< n_fe_opts
; i
++) {
1187 sset_destroy(&opts
->targets
);
1195 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
1196 struct ofproto_port_stp_settings
*port_s
,
1197 int *port_num_counter
, unsigned long *port_num_bitmap
)
1199 const char *config_str
;
1200 struct iface
*iface
;
1202 if (!smap_get_bool(&port
->cfg
->other_config
, "stp-enable", true)) {
1203 port_s
->enable
= false;
1206 port_s
->enable
= true;
1209 /* STP over bonds is not supported. */
1210 if (!list_is_singleton(&port
->ifaces
)) {
1211 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1213 port_s
->enable
= false;
1217 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1219 /* Internal ports shouldn't participate in spanning tree, so
1221 if (!strcmp(iface
->type
, "internal")) {
1222 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
1223 port_s
->enable
= false;
1227 /* STP on mirror output ports is not supported. */
1228 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1229 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
1230 port_s
->enable
= false;
1234 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-num");
1236 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1237 int port_idx
= port_num
- 1;
1239 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
1240 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
1241 port_s
->enable
= false;
1245 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
1246 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1247 port
->name
, port_num
);
1248 port_s
->enable
= false;
1251 bitmap_set1(port_num_bitmap
, port_idx
);
1252 port_s
->port_num
= port_idx
;
1254 if (*port_num_counter
>= STP_MAX_PORTS
) {
1255 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
1256 port_s
->enable
= false;
1260 port_s
->port_num
= (*port_num_counter
)++;
1263 config_str
= smap_get(&port
->cfg
->other_config
, "stp-path-cost");
1265 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1267 enum netdev_features current
;
1270 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1271 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1272 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
1275 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-priority");
1277 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1279 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
1283 /* Set spanning tree configuration on 'br'. */
1285 bridge_configure_stp(struct bridge
*br
)
1287 if (!br
->cfg
->stp_enable
) {
1288 ofproto_set_stp(br
->ofproto
, NULL
);
1290 struct ofproto_stp_settings br_s
;
1291 const char *config_str
;
1293 int port_num_counter
;
1294 unsigned long *port_num_bitmap
;
1296 config_str
= smap_get(&br
->cfg
->other_config
, "stp-system-id");
1298 uint8_t ea
[ETH_ADDR_LEN
];
1300 if (eth_addr_from_string(config_str
, ea
)) {
1301 br_s
.system_id
= eth_addr_to_uint64(ea
);
1303 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1304 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1305 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1308 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1311 config_str
= smap_get(&br
->cfg
->other_config
, "stp-priority");
1313 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1315 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
1318 config_str
= smap_get(&br
->cfg
->other_config
, "stp-hello-time");
1320 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
1322 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
1325 config_str
= smap_get(&br
->cfg
->other_config
, "stp-max-age");
1327 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
1329 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
1332 config_str
= smap_get(&br
->cfg
->other_config
, "stp-forward-delay");
1334 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
1336 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
1339 /* Configure STP on the bridge. */
1340 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
1341 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
1345 /* Users must either set the port number with the "stp-port-num"
1346 * configuration on all ports or none. If manual configuration
1347 * is not done, then we allocate them sequentially. */
1348 port_num_counter
= 0;
1349 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
1350 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1351 struct ofproto_port_stp_settings port_s
;
1352 struct iface
*iface
;
1354 port_configure_stp(br
->ofproto
, port
, &port_s
,
1355 &port_num_counter
, port_num_bitmap
);
1357 /* As bonds are not supported, just apply configuration to
1358 * all interfaces. */
1359 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1360 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
1362 VLOG_ERR("port %s: could not enable STP", port
->name
);
1368 if (bitmap_scan(port_num_bitmap
, 1, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
1369 && port_num_counter
) {
1370 VLOG_ERR("bridge %s: must manually configure all STP port "
1371 "IDs or none, disabling", br
->name
);
1372 ofproto_set_stp(br
->ofproto
, NULL
);
1374 bitmap_free(port_num_bitmap
);
1379 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
1381 const struct port
*port
= port_lookup(br
, name
);
1382 return port
&& port_is_bond_fake_iface(port
);
1386 port_is_bond_fake_iface(const struct port
*port
)
1388 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
1392 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
1394 struct bridge
*br
, *next
;
1395 struct shash new_br
;
1398 /* Collect new bridges' names and types. */
1399 shash_init(&new_br
);
1400 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1401 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1402 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1404 if (strchr(br_cfg
->name
, '/')) {
1405 /* Prevent remote ovsdb-server users from accessing arbitrary
1406 * directories, e.g. consider a bridge named "../../../etc/". */
1407 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1409 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1410 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1414 /* Get rid of deleted bridges or those whose types have changed.
1415 * Update 'cfg' of bridges that still exist. */
1416 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1417 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1418 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1419 br
->cfg
->datapath_type
))) {
1424 /* Add new bridges. */
1425 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1426 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1427 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1429 bridge_create(br_cfg
);
1433 shash_destroy(&new_br
);
1436 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1437 * Returns 0 if successful, otherwise a positive errno value. */
1439 iface_set_netdev_config(const struct ovsrec_interface
*iface_cfg
,
1440 struct netdev
*netdev
, char **errp
)
1442 return netdev_set_config(netdev
, &iface_cfg
->options
, errp
);
1445 /* Opens a network device for 'if_cfg' and configures it. Adds the network
1446 * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'.
1448 * If successful, returns 0 and stores the network device in '*netdevp'. On
1449 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1451 iface_do_create(const struct bridge
*br
,
1452 const struct ovsrec_interface
*iface_cfg
,
1453 const struct ovsrec_port
*port_cfg
,
1454 ofp_port_t
*ofp_portp
, struct netdev
**netdevp
,
1457 struct netdev
*netdev
= NULL
;
1460 if (netdev_is_reserved_name(iface_cfg
->name
)) {
1461 VLOG_WARN("could not create interface %s, name is reserved",
1467 error
= netdev_open(iface_cfg
->name
,
1468 iface_get_type(iface_cfg
, br
->cfg
), &netdev
);
1470 VLOG_WARN_BUF(errp
, "could not open network device %s (%s)",
1471 iface_cfg
->name
, ovs_strerror(error
));
1475 error
= iface_set_netdev_config(iface_cfg
, netdev
, errp
);
1480 *ofp_portp
= iface_pick_ofport(iface_cfg
);
1481 error
= ofproto_port_add(br
->ofproto
, netdev
, ofp_portp
);
1486 VLOG_INFO("bridge %s: added interface %s on port %d",
1487 br
->name
, iface_cfg
->name
, *ofp_portp
);
1489 if (port_cfg
->vlan_mode
&& !strcmp(port_cfg
->vlan_mode
, "splinter")) {
1490 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
1498 netdev_close(netdev
);
1502 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1503 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1504 * automatically allocated for the iface. Takes ownership of and
1505 * deallocates 'if_cfg'.
1507 * Return true if an iface is successfully created, false otherwise. */
1509 iface_create(struct bridge
*br
, const struct ovsrec_interface
*iface_cfg
,
1510 const struct ovsrec_port
*port_cfg
)
1512 struct netdev
*netdev
;
1513 struct iface
*iface
;
1514 ofp_port_t ofp_port
;
1519 /* Do the bits that can fail up front. */
1520 ovs_assert(!iface_lookup(br
, iface_cfg
->name
));
1521 error
= iface_do_create(br
, iface_cfg
, port_cfg
, &ofp_port
, &netdev
, &errp
);
1523 iface_clear_db_record(iface_cfg
, errp
);
1528 /* Get or create the port structure. */
1529 port
= port_lookup(br
, port_cfg
->name
);
1531 port
= port_create(br
, port_cfg
);
1534 /* Create the iface structure. */
1535 iface
= xzalloc(sizeof *iface
);
1536 list_push_back(&port
->ifaces
, &iface
->port_elem
);
1537 hmap_insert(&br
->iface_by_name
, &iface
->name_node
,
1538 hash_string(iface_cfg
->name
, 0));
1540 iface
->name
= xstrdup(iface_cfg
->name
);
1541 iface
->ofp_port
= ofp_port
;
1542 iface
->netdev
= netdev
;
1543 iface
->type
= iface_get_type(iface_cfg
, br
->cfg
);
1544 iface
->cfg
= iface_cfg
;
1545 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
,
1546 hash_ofp_port(ofp_port
));
1548 /* Populate initial status in database. */
1549 iface_refresh_stats(iface
);
1550 iface_refresh_netdev_status(iface
);
1552 /* Add bond fake iface if necessary. */
1553 if (port_is_bond_fake_iface(port
)) {
1554 struct ofproto_port ofproto_port
;
1556 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1558 struct netdev
*netdev
;
1561 error
= netdev_open(port
->name
, "internal", &netdev
);
1563 ofp_port_t fake_ofp_port
= OFPP_NONE
;
1564 ofproto_port_add(br
->ofproto
, netdev
, &fake_ofp_port
);
1565 netdev_close(netdev
);
1567 VLOG_WARN("could not open network device %s (%s)",
1568 port
->name
, ovs_strerror(error
));
1571 /* Already exists, nothing to do. */
1572 ofproto_port_destroy(&ofproto_port
);
1579 /* Set forward BPDU option. */
1581 bridge_configure_forward_bpdu(struct bridge
*br
)
1583 ofproto_set_forward_bpdu(br
->ofproto
,
1584 smap_get_bool(&br
->cfg
->other_config
,
1589 /* Set MAC learning table configuration for 'br'. */
1591 bridge_configure_mac_table(struct bridge
*br
)
1593 const char *idle_time_str
;
1596 const char *mac_table_size_str
;
1599 idle_time_str
= smap_get(&br
->cfg
->other_config
, "mac-aging-time");
1600 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1601 ? atoi(idle_time_str
)
1602 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1604 mac_table_size_str
= smap_get(&br
->cfg
->other_config
, "mac-table-size");
1605 mac_table_size
= (mac_table_size_str
&& atoi(mac_table_size_str
)
1606 ? atoi(mac_table_size_str
)
1609 ofproto_set_mac_table_config(br
->ofproto
, idle_time
, mac_table_size
);
1613 find_local_hw_addr(const struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1614 const struct port
*fake_br
, struct iface
**hw_addr_iface
)
1616 struct hmapx mirror_output_ports
;
1618 bool found_addr
= false;
1622 /* Mirror output ports don't participate in picking the local hardware
1623 * address. ofproto can't help us find out whether a given port is a
1624 * mirror output because we haven't configured mirrors yet, so we need to
1625 * accumulate them ourselves. */
1626 hmapx_init(&mirror_output_ports
);
1627 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1628 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1629 if (m
->output_port
) {
1630 hmapx_add(&mirror_output_ports
, m
->output_port
);
1634 /* Otherwise choose the minimum non-local MAC address among all of the
1636 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1637 uint8_t iface_ea
[ETH_ADDR_LEN
];
1638 struct iface
*candidate
;
1639 struct iface
*iface
;
1641 /* Mirror output ports don't participate. */
1642 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1646 /* Choose the MAC address to represent the port. */
1648 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1649 /* Find the interface with this Ethernet address (if any) so that
1650 * we can provide the correct devname to the caller. */
1651 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1652 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1653 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1654 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1659 /* Choose the interface whose MAC address will represent the port.
1660 * The Linux kernel bonding code always chooses the MAC address of
1661 * the first slave added to a bond, and the Fedora networking
1662 * scripts always add slaves to a bond in alphabetical order, so
1663 * for compatibility we choose the interface with the name that is
1664 * first in alphabetical order. */
1665 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1666 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1671 /* The local port doesn't count (since we're trying to choose its
1672 * MAC address anyway). */
1673 if (iface
->ofp_port
== OFPP_LOCAL
) {
1677 /* For fake bridges we only choose from ports with the same tag */
1678 if (fake_br
&& fake_br
->cfg
&& fake_br
->cfg
->tag
) {
1679 if (!port
->cfg
->tag
) {
1682 if (*port
->cfg
->tag
!= *fake_br
->cfg
->tag
) {
1688 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
1694 /* Compare against our current choice. */
1695 if (!eth_addr_is_multicast(iface_ea
) &&
1696 !eth_addr_is_local(iface_ea
) &&
1697 !eth_addr_is_reserved(iface_ea
) &&
1698 !eth_addr_is_zero(iface_ea
) &&
1699 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
1701 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
1702 *hw_addr_iface
= iface
;
1708 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
1709 *hw_addr_iface
= NULL
;
1712 hmapx_destroy(&mirror_output_ports
);
1716 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1717 struct iface
**hw_addr_iface
)
1720 *hw_addr_iface
= NULL
;
1722 /* Did the user request a particular MAC? */
1723 hwaddr
= smap_get(&br
->cfg
->other_config
, "hwaddr");
1724 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
1725 if (eth_addr_is_multicast(ea
)) {
1726 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1727 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1728 } else if (eth_addr_is_zero(ea
)) {
1729 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
1735 /* Find a local hw address */
1736 find_local_hw_addr(br
, ea
, NULL
, hw_addr_iface
);
1739 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1740 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1741 * an interface on 'br', then that interface must be passed in as
1742 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1743 * 'hw_addr_iface' must be passed in as a null pointer. */
1745 bridge_pick_datapath_id(struct bridge
*br
,
1746 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
1747 struct iface
*hw_addr_iface
)
1750 * The procedure for choosing a bridge MAC address will, in the most
1751 * ordinary case, also choose a unique MAC that we can use as a datapath
1752 * ID. In some special cases, though, multiple bridges will end up with
1753 * the same MAC address. This is OK for the bridges, but it will confuse
1754 * the OpenFlow controller, because each datapath needs a unique datapath
1757 * Datapath IDs must be unique. It is also very desirable that they be
1758 * stable from one run to the next, so that policy set on a datapath
1761 const char *datapath_id
;
1764 datapath_id
= smap_get(&br
->cfg
->other_config
, "datapath-id");
1765 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
1769 if (!hw_addr_iface
) {
1771 * A purely internal bridge, that is, one that has no non-virtual
1772 * network devices on it at all, is difficult because it has no
1773 * natural unique identifier at all.
1775 * When the host is a XenServer, we handle this case by hashing the
1776 * host's UUID with the name of the bridge. Names of bridges are
1777 * persistent across XenServer reboots, although they can be reused if
1778 * an internal network is destroyed and then a new one is later
1779 * created, so this is fairly effective.
1781 * When the host is not a XenServer, we punt by using a random MAC
1782 * address on each run.
1784 const char *host_uuid
= xenserver_get_host_uuid();
1786 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
1787 dpid
= dpid_from_hash(combined
, strlen(combined
));
1793 return eth_addr_to_uint64(bridge_ea
);
1797 dpid_from_hash(const void *data
, size_t n
)
1799 uint8_t hash
[SHA1_DIGEST_SIZE
];
1801 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
1802 sha1_bytes(data
, n
, hash
);
1803 eth_addr_mark_random(hash
);
1804 return eth_addr_to_uint64(hash
);
1808 iface_refresh_netdev_status(struct iface
*iface
)
1812 enum netdev_features current
;
1813 enum netdev_flags flags
;
1814 const char *link_state
;
1815 uint8_t mac
[ETH_ADDR_LEN
];
1816 int64_t bps
, mtu_64
, ifindex64
, link_resets
;
1819 if (iface_is_synthetic(iface
)) {
1823 if (iface
->change_seq
== netdev_get_change_seq(iface
->netdev
)) {
1827 iface
->change_seq
= netdev_get_change_seq(iface
->netdev
);
1831 if (!netdev_get_status(iface
->netdev
, &smap
)) {
1832 ovsrec_interface_set_status(iface
->cfg
, &smap
);
1834 ovsrec_interface_set_status(iface
->cfg
, NULL
);
1837 smap_destroy(&smap
);
1839 error
= netdev_get_flags(iface
->netdev
, &flags
);
1841 const char *state
= flags
& NETDEV_UP
? "up" : "down";
1843 ovsrec_interface_set_admin_state(iface
->cfg
, state
);
1845 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
1848 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
1849 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
1851 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
1852 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
1854 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1855 bps
= !error
? netdev_features_to_bps(current
, 0) : 0;
1857 ovsrec_interface_set_duplex(iface
->cfg
,
1858 netdev_features_is_full_duplex(current
)
1860 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
1862 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
1863 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
1866 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
1869 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
1871 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
1874 error
= netdev_get_etheraddr(iface
->netdev
, mac
);
1876 char mac_string
[32];
1878 sprintf(mac_string
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
1879 ovsrec_interface_set_mac_in_use(iface
->cfg
, mac_string
);
1881 ovsrec_interface_set_mac_in_use(iface
->cfg
, NULL
);
1884 /* The netdev may return a negative number (such as -EOPNOTSUPP)
1885 * if there is no valid ifindex number. */
1886 ifindex64
= netdev_get_ifindex(iface
->netdev
);
1887 if (ifindex64
< 0) {
1890 ovsrec_interface_set_ifindex(iface
->cfg
, &ifindex64
, 1);
1894 iface_refresh_ofproto_status(struct iface
*iface
)
1899 if (iface_is_synthetic(iface
)) {
1903 current
= ofproto_port_is_lacp_current(iface
->port
->bridge
->ofproto
,
1907 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
1909 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
1912 iface_refresh_cfm_stats(iface
);
1915 error
= ofproto_port_get_bfd_status(iface
->port
->bridge
->ofproto
,
1916 iface
->ofp_port
, &smap
);
1918 ovsrec_interface_set_bfd_status(iface
->cfg
, &smap
);
1920 smap_destroy(&smap
);
1923 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1926 iface_refresh_cfm_stats(struct iface
*iface
)
1928 const struct ovsrec_interface
*cfg
= iface
->cfg
;
1929 struct ofproto_cfm_status status
;
1932 error
= ofproto_port_get_cfm_status(iface
->port
->bridge
->ofproto
,
1933 iface
->ofp_port
, &status
);
1935 /* Do nothing if there is no status change since last update. */
1936 } else if (error
> 0) {
1937 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
1938 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
1939 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
1940 ovsrec_interface_set_cfm_flap_count(cfg
, NULL
, 0);
1941 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
1942 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
1944 const char *reasons
[CFM_FAULT_N_REASONS
];
1945 int64_t cfm_health
= status
.health
;
1946 int64_t cfm_flap_count
= status
.flap_count
;
1947 bool faulted
= status
.faults
!= 0;
1950 ovsrec_interface_set_cfm_fault(cfg
, &faulted
, 1);
1953 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
1954 int reason
= 1 << i
;
1955 if (status
.faults
& reason
) {
1956 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
1959 ovsrec_interface_set_cfm_fault_status(cfg
, (char **) reasons
, j
);
1961 ovsrec_interface_set_cfm_flap_count(cfg
, &cfm_flap_count
, 1);
1963 if (status
.remote_opstate
>= 0) {
1964 const char *remote_opstate
= status
.remote_opstate
? "up" : "down";
1965 ovsrec_interface_set_cfm_remote_opstate(cfg
, remote_opstate
);
1967 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
1970 ovsrec_interface_set_cfm_remote_mpids(cfg
,
1971 (const int64_t *)status
.rmps
,
1973 if (cfm_health
>= 0) {
1974 ovsrec_interface_set_cfm_health(cfg
, &cfm_health
, 1);
1976 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
1984 iface_refresh_stats(struct iface
*iface
)
1986 #define IFACE_STATS \
1987 IFACE_STAT(rx_packets, "rx_packets") \
1988 IFACE_STAT(tx_packets, "tx_packets") \
1989 IFACE_STAT(rx_bytes, "rx_bytes") \
1990 IFACE_STAT(tx_bytes, "tx_bytes") \
1991 IFACE_STAT(rx_dropped, "rx_dropped") \
1992 IFACE_STAT(tx_dropped, "tx_dropped") \
1993 IFACE_STAT(rx_errors, "rx_errors") \
1994 IFACE_STAT(tx_errors, "tx_errors") \
1995 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1996 IFACE_STAT(rx_over_errors, "rx_over_err") \
1997 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1998 IFACE_STAT(collisions, "collisions")
2000 #define IFACE_STAT(MEMBER, NAME) + 1
2001 enum { N_IFACE_STATS
= IFACE_STATS
};
2003 int64_t values
[N_IFACE_STATS
];
2004 char *keys
[N_IFACE_STATS
];
2007 struct netdev_stats stats
;
2009 if (iface_is_synthetic(iface
)) {
2013 /* Intentionally ignore return value, since errors will set 'stats' to
2014 * all-1s, and we will deal with that correctly below. */
2015 netdev_get_stats(iface
->netdev
, &stats
);
2017 /* Copy statistics into keys[] and values[]. */
2019 #define IFACE_STAT(MEMBER, NAME) \
2020 if (stats.MEMBER != UINT64_MAX) { \
2022 values[n] = stats.MEMBER; \
2027 ovs_assert(n
<= N_IFACE_STATS
);
2029 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
, n
);
2034 br_refresh_stp_status(struct bridge
*br
)
2036 struct smap smap
= SMAP_INITIALIZER(&smap
);
2037 struct ofproto
*ofproto
= br
->ofproto
;
2038 struct ofproto_stp_status status
;
2040 if (ofproto_get_stp_status(ofproto
, &status
)) {
2044 if (!status
.enabled
) {
2045 ovsrec_bridge_set_status(br
->cfg
, NULL
);
2049 smap_add_format(&smap
, "stp_bridge_id", STP_ID_FMT
,
2050 STP_ID_ARGS(status
.bridge_id
));
2051 smap_add_format(&smap
, "stp_designated_root", STP_ID_FMT
,
2052 STP_ID_ARGS(status
.designated_root
));
2053 smap_add_format(&smap
, "stp_root_path_cost", "%d", status
.root_path_cost
);
2055 ovsrec_bridge_set_status(br
->cfg
, &smap
);
2056 smap_destroy(&smap
);
2060 port_refresh_stp_status(struct port
*port
)
2062 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2063 struct iface
*iface
;
2064 struct ofproto_port_stp_status status
;
2067 if (port_is_synthetic(port
)) {
2071 /* STP doesn't currently support bonds. */
2072 if (!list_is_singleton(&port
->ifaces
)) {
2073 ovsrec_port_set_status(port
->cfg
, NULL
);
2077 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2078 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
2082 if (!status
.enabled
) {
2083 ovsrec_port_set_status(port
->cfg
, NULL
);
2087 /* Set Status column. */
2089 smap_add_format(&smap
, "stp_port_id", STP_PORT_ID_FMT
, status
.port_id
);
2090 smap_add(&smap
, "stp_state", stp_state_name(status
.state
));
2091 smap_add_format(&smap
, "stp_sec_in_state", "%u", status
.sec_in_state
);
2092 smap_add(&smap
, "stp_role", stp_role_name(status
.role
));
2093 ovsrec_port_set_status(port
->cfg
, &smap
);
2094 smap_destroy(&smap
);
2098 port_refresh_stp_stats(struct port
*port
)
2100 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2101 struct iface
*iface
;
2102 struct ofproto_port_stp_stats stats
;
2104 int64_t int_values
[3];
2106 if (port_is_synthetic(port
)) {
2110 /* STP doesn't currently support bonds. */
2111 if (!list_is_singleton(&port
->ifaces
)) {
2115 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2116 if (ofproto_port_get_stp_stats(ofproto
, iface
->ofp_port
, &stats
)) {
2120 if (!stats
.enabled
) {
2121 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
2125 /* Set Statistics column. */
2126 keys
[0] = "stp_tx_count";
2127 int_values
[0] = stats
.tx_count
;
2128 keys
[1] = "stp_rx_count";
2129 int_values
[1] = stats
.rx_count
;
2130 keys
[2] = "stp_error_count";
2131 int_values
[2] = stats
.error_count
;
2133 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
2134 ARRAY_SIZE(int_values
));
2138 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2140 return smap_get_bool(&cfg
->other_config
, "enable-statistics", false);
2144 reconfigure_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2146 bool enable
= enable_system_stats(cfg
);
2148 system_stats_enable(enable
);
2150 ovsrec_open_vswitch_set_statistics(cfg
, NULL
);
2155 run_system_stats(void)
2157 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2160 stats
= system_stats_run();
2162 struct ovsdb_idl_txn
*txn
;
2163 struct ovsdb_datum datum
;
2165 txn
= ovsdb_idl_txn_create(idl
);
2166 ovsdb_datum_from_smap(&datum
, stats
);
2167 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
2169 ovsdb_idl_txn_commit(txn
);
2170 ovsdb_idl_txn_destroy(txn
);
2177 ofp12_controller_role_to_str(enum ofp12_controller_role role
)
2180 case OFPCR12_ROLE_EQUAL
:
2182 case OFPCR12_ROLE_MASTER
:
2184 case OFPCR12_ROLE_SLAVE
:
2186 case OFPCR12_ROLE_NOCHANGE
:
2188 return "*** INVALID ROLE ***";
2193 refresh_controller_status(void)
2197 const struct ovsrec_controller
*cfg
;
2201 /* Accumulate status for controllers on all bridges. */
2202 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2203 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
2206 /* Update each controller in the database with current status. */
2207 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
2208 struct ofproto_controller_info
*cinfo
=
2209 shash_find_data(&info
, cfg
->target
);
2212 struct smap smap
= SMAP_INITIALIZER(&smap
);
2213 const char **values
= cinfo
->pairs
.values
;
2214 const char **keys
= cinfo
->pairs
.keys
;
2217 for (i
= 0; i
< cinfo
->pairs
.n
; i
++) {
2218 smap_add(&smap
, keys
[i
], values
[i
]);
2221 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
2222 ovsrec_controller_set_role(cfg
, ofp12_controller_role_to_str(
2224 ovsrec_controller_set_status(cfg
, &smap
);
2225 smap_destroy(&smap
);
2227 ovsrec_controller_set_is_connected(cfg
, false);
2228 ovsrec_controller_set_role(cfg
, NULL
);
2229 ovsrec_controller_set_status(cfg
, NULL
);
2233 ofproto_free_ofproto_controller_info(&info
);
2243 /* Let each datapath type do the work that it needs to do. */
2245 ofproto_enumerate_types(&types
);
2246 SSET_FOR_EACH (type
, &types
) {
2247 ofproto_type_run(type
);
2249 sset_destroy(&types
);
2251 /* Let each bridge do the work that it needs to do. */
2252 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2253 ofproto_run(br
->ofproto
);
2260 static struct ovsrec_open_vswitch null_cfg
;
2261 const struct ovsrec_open_vswitch
*cfg
;
2263 bool vlan_splinters_changed
;
2267 ovsrec_open_vswitch_init(&null_cfg
);
2271 if (ovsdb_idl_is_lock_contended(idl
)) {
2272 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2273 struct bridge
*br
, *next_br
;
2275 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
2276 "disabling this process (pid %ld) until it goes away",
2277 (long int) getpid());
2279 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
2282 /* Since we will not be running system_stats_run() in this process
2283 * with the current situation of multiple ovs-vswitchd daemons,
2284 * disable system stats collection. */
2285 system_stats_enable(false);
2287 } else if (!ovsdb_idl_has_lock(idl
)) {
2290 cfg
= ovsrec_open_vswitch_first(idl
);
2292 /* Initialize the ofproto library. This only needs to run once, but
2293 * it must be done after the configuration is set. If the
2294 * initialization has already occurred, bridge_init_ofproto()
2295 * returns immediately. */
2296 bridge_init_ofproto(cfg
);
2298 /* Once the value of flow-restore-wait is false, we no longer should
2299 * check its value from the database. */
2300 if (cfg
&& ofproto_get_flow_restore_wait()) {
2301 ofproto_set_flow_restore_wait(smap_get_bool(&cfg
->other_config
,
2302 "flow-restore-wait", false));
2307 /* Re-configure SSL. We do this on every trip through the main loop,
2308 * instead of just when the database changes, because the contents of the
2309 * key and certificate files can change without the database changing.
2311 * We do this before bridge_reconfigure() because that function might
2312 * initiate SSL connections and thus requires SSL to be configured. */
2313 if (cfg
&& cfg
->ssl
) {
2314 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
2316 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
2317 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
2320 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2321 * usage has changed. */
2322 vlan_splinters_changed
= false;
2323 if (vlan_splinters_enabled_anywhere
) {
2324 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2325 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
2326 vlan_splinters_changed
= true;
2332 if (ovsdb_idl_get_seqno(idl
) != idl_seqno
|| vlan_splinters_changed
) {
2333 struct ovsdb_idl_txn
*txn
;
2335 idl_seqno
= ovsdb_idl_get_seqno(idl
);
2336 txn
= ovsdb_idl_txn_create(idl
);
2337 bridge_reconfigure(cfg
? cfg
: &null_cfg
);
2340 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
2343 /* If we are completing our initial configuration for this run
2344 * of ovs-vswitchd, then keep the transaction around to monitor
2345 * it for completion. */
2346 if (initial_config_done
) {
2347 ovsdb_idl_txn_commit(txn
);
2348 ovsdb_idl_txn_destroy(txn
);
2350 initial_config_done
= true;
2351 daemonize_txn
= txn
;
2355 if (daemonize_txn
) {
2356 enum ovsdb_idl_txn_status status
= ovsdb_idl_txn_commit(daemonize_txn
);
2357 if (status
!= TXN_INCOMPLETE
) {
2358 ovsdb_idl_txn_destroy(daemonize_txn
);
2359 daemonize_txn
= NULL
;
2361 /* ovs-vswitchd has completed initialization, so allow the
2362 * process that forked us to exit successfully. */
2363 daemonize_complete();
2365 vlog_enable_async();
2367 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name
, VERSION
);
2371 /* Statistics update interval should always be greater than or equal to
2374 stats_interval
= MAX(smap_get_int(&cfg
->other_config
,
2375 "stats-update-interval",
2378 stats_interval
= 5000;
2380 if (stats_timer_interval
!= stats_interval
) {
2381 stats_timer_interval
= stats_interval
;
2382 stats_timer
= LLONG_MIN
;
2385 /* Refresh interface and mirror stats if necessary. */
2386 if (time_msec() >= stats_timer
) {
2388 struct ovsdb_idl_txn
*txn
;
2390 txn
= ovsdb_idl_txn_create(idl
);
2391 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2395 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2396 struct iface
*iface
;
2398 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2399 iface_refresh_stats(iface
);
2402 port_refresh_stp_stats(port
);
2405 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
2406 mirror_refresh_stats(m
);
2410 refresh_controller_status();
2411 ovsdb_idl_txn_commit(txn
);
2412 ovsdb_idl_txn_destroy(txn
); /* XXX */
2415 stats_timer
= time_msec() + stats_timer_interval
;
2421 /* Check the need to update status. */
2422 seq
= seq_read(connectivity_seq_get());
2423 if (seq
!= connectivity_seqno
) {
2424 connectivity_seqno
= seq
;
2425 status_txn
= ovsdb_idl_txn_create(idl
);
2426 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2429 br_refresh_stp_status(br
);
2430 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2431 struct iface
*iface
;
2433 port_refresh_stp_status(port
);
2434 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2435 iface_refresh_netdev_status(iface
);
2436 iface_refresh_ofproto_status(iface
);
2444 enum ovsdb_idl_txn_status status
;
2446 status
= ovsdb_idl_txn_commit(status_txn
);
2447 /* Do not destroy "status_txn" if the transaction is
2448 * "TXN_INCOMPLETE". */
2449 if (status
!= TXN_INCOMPLETE
) {
2450 ovsdb_idl_txn_destroy(status_txn
);
2464 ovsdb_idl_wait(idl
);
2465 if (daemonize_txn
) {
2466 ovsdb_idl_txn_wait(daemonize_txn
);
2470 ofproto_enumerate_types(&types
);
2471 SSET_FOR_EACH (type
, &types
) {
2472 ofproto_type_wait(type
);
2474 sset_destroy(&types
);
2476 if (!hmap_is_empty(&all_bridges
)) {
2479 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2480 ofproto_wait(br
->ofproto
);
2483 poll_timer_wait_until(stats_timer
);
2486 /* If the status database transaction is 'TXN_INCOMPLETE' in this run,
2487 * register a timeout in 'STATUS_CHECK_AGAIN_MSEC'. Else, wait on the
2488 * global connectivity sequence number. Note, this also helps batch
2489 * multiple status changes into one transaction. */
2491 poll_timer_wait_until(time_msec() + STATUS_CHECK_AGAIN_MSEC
);
2493 seq_wait(connectivity_seq_get(), connectivity_seqno
);
2496 system_stats_wait();
2499 /* Adds some memory usage statistics for bridges into 'usage', for use with
2500 * memory_report(). */
2502 bridge_get_memory_usage(struct simap
*usage
)
2509 ofproto_enumerate_types(&types
);
2510 SSET_FOR_EACH (type
, &types
) {
2511 ofproto_type_get_memory_usage(type
, usage
);
2513 sset_destroy(&types
);
2515 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2516 ofproto_get_memory_usage(br
->ofproto
, usage
);
2520 /* QoS unixctl user interface functions. */
2522 struct qos_unixctl_show_cbdata
{
2524 struct iface
*iface
;
2528 qos_unixctl_show_queue(unsigned int queue_id
,
2529 const struct smap
*details
,
2530 struct iface
*iface
,
2533 struct netdev_queue_stats stats
;
2534 struct smap_node
*node
;
2537 ds_put_cstr(ds
, "\n");
2539 ds_put_format(ds
, "Queue %u:\n", queue_id
);
2541 ds_put_cstr(ds
, "Default:\n");
2544 SMAP_FOR_EACH (node
, details
) {
2545 ds_put_format(ds
, "\t%s: %s\n", node
->key
, node
->value
);
2548 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
2550 if (stats
.tx_packets
!= UINT64_MAX
) {
2551 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
2554 if (stats
.tx_bytes
!= UINT64_MAX
) {
2555 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
2558 if (stats
.tx_errors
!= UINT64_MAX
) {
2559 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
2562 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
2563 queue_id
, ovs_strerror(error
));
2568 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2569 const char *argv
[], void *aux OVS_UNUSED
)
2571 struct ds ds
= DS_EMPTY_INITIALIZER
;
2572 struct smap smap
= SMAP_INITIALIZER(&smap
);
2573 struct iface
*iface
;
2575 struct smap_node
*node
;
2577 iface
= iface_find(argv
[1]);
2579 unixctl_command_reply_error(conn
, "no such interface");
2583 netdev_get_qos(iface
->netdev
, &type
, &smap
);
2585 if (*type
!= '\0') {
2586 struct netdev_queue_dump dump
;
2587 struct smap details
;
2588 unsigned int queue_id
;
2590 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
2592 SMAP_FOR_EACH (node
, &smap
) {
2593 ds_put_format(&ds
, "%s: %s\n", node
->key
, node
->value
);
2596 smap_init(&details
);
2597 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
2598 qos_unixctl_show_queue(queue_id
, &details
, iface
, &ds
);
2600 smap_destroy(&details
);
2602 unixctl_command_reply(conn
, ds_cstr(&ds
));
2604 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
2605 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
2608 smap_destroy(&smap
);
2612 /* Bridge reconfiguration functions. */
2614 bridge_create(const struct ovsrec_bridge
*br_cfg
)
2618 ovs_assert(!bridge_lookup(br_cfg
->name
));
2619 br
= xzalloc(sizeof *br
);
2621 br
->name
= xstrdup(br_cfg
->name
);
2622 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
2625 /* Derive the default Ethernet address from the bridge's UUID. This should
2626 * be unique and it will be stable between ovs-vswitchd runs. */
2627 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
2628 eth_addr_mark_random(br
->default_ea
);
2630 hmap_init(&br
->ports
);
2631 hmap_init(&br
->ifaces
);
2632 hmap_init(&br
->iface_by_name
);
2633 hmap_init(&br
->mirrors
);
2635 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
2639 bridge_destroy(struct bridge
*br
)
2642 struct mirror
*mirror
, *next_mirror
;
2643 struct port
*port
, *next_port
;
2645 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
2648 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
2649 mirror_destroy(mirror
);
2652 hmap_remove(&all_bridges
, &br
->node
);
2653 ofproto_destroy(br
->ofproto
);
2654 hmap_destroy(&br
->ifaces
);
2655 hmap_destroy(&br
->ports
);
2656 hmap_destroy(&br
->iface_by_name
);
2657 hmap_destroy(&br
->mirrors
);
2664 static struct bridge
*
2665 bridge_lookup(const char *name
)
2669 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
2670 if (!strcmp(br
->name
, name
)) {
2677 /* Handle requests for a listing of all flows known by the OpenFlow
2678 * stack, including those normally hidden. */
2680 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2681 const char *argv
[], void *aux OVS_UNUSED
)
2686 br
= bridge_lookup(argv
[1]);
2688 unixctl_command_reply_error(conn
, "Unknown bridge");
2693 ofproto_get_all_flows(br
->ofproto
, &results
);
2695 unixctl_command_reply(conn
, ds_cstr(&results
));
2696 ds_destroy(&results
);
2699 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2700 * connections and reconnect. If BRIDGE is not specified, then all bridges
2701 * drop their controller connections and reconnect. */
2703 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
2704 const char *argv
[], void *aux OVS_UNUSED
)
2708 br
= bridge_lookup(argv
[1]);
2710 unixctl_command_reply_error(conn
, "Unknown bridge");
2713 ofproto_reconnect_controllers(br
->ofproto
);
2715 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2716 ofproto_reconnect_controllers(br
->ofproto
);
2719 unixctl_command_reply(conn
, NULL
);
2723 bridge_get_controllers(const struct bridge
*br
,
2724 struct ovsrec_controller
***controllersp
)
2726 struct ovsrec_controller
**controllers
;
2727 size_t n_controllers
;
2729 controllers
= br
->cfg
->controller
;
2730 n_controllers
= br
->cfg
->n_controller
;
2732 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
2738 *controllersp
= controllers
;
2740 return n_controllers
;
2744 bridge_collect_wanted_ports(struct bridge
*br
,
2745 const unsigned long int *splinter_vlans
,
2746 struct shash
*wanted_ports
)
2750 shash_init(wanted_ports
);
2752 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
2753 const char *name
= br
->cfg
->ports
[i
]->name
;
2754 if (!shash_add_once(wanted_ports
, name
, br
->cfg
->ports
[i
])) {
2755 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2759 if (bridge_get_controllers(br
, NULL
)
2760 && !shash_find(wanted_ports
, br
->name
)) {
2761 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2762 br
->name
, br
->name
);
2764 ovsrec_interface_init(&br
->synth_local_iface
);
2765 ovsrec_port_init(&br
->synth_local_port
);
2767 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
2768 br
->synth_local_port
.n_interfaces
= 1;
2769 br
->synth_local_port
.name
= br
->name
;
2771 br
->synth_local_iface
.name
= br
->name
;
2772 br
->synth_local_iface
.type
= "internal";
2774 br
->synth_local_ifacep
= &br
->synth_local_iface
;
2776 shash_add(wanted_ports
, br
->name
, &br
->synth_local_port
);
2779 if (splinter_vlans
) {
2780 add_vlan_splinter_ports(br
, splinter_vlans
, wanted_ports
);
2784 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2785 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2786 * 'br' needs to complete its configuration. */
2788 bridge_del_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
2790 struct shash_node
*port_node
;
2791 struct port
*port
, *next
;
2793 /* Get rid of deleted ports.
2794 * Get rid of deleted interfaces on ports that still exist. */
2795 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
2796 port
->cfg
= shash_find_data(wanted_ports
, port
->name
);
2800 port_del_ifaces(port
);
2804 /* Update iface->cfg and iface->type in interfaces that still exist. */
2805 SHASH_FOR_EACH (port_node
, wanted_ports
) {
2806 const struct ovsrec_port
*port
= port_node
->data
;
2809 for (i
= 0; i
< port
->n_interfaces
; i
++) {
2810 const struct ovsrec_interface
*cfg
= port
->interfaces
[i
];
2811 struct iface
*iface
= iface_lookup(br
, cfg
->name
);
2812 const char *type
= iface_get_type(cfg
, br
->cfg
);
2817 } else if (!strcmp(type
, "null")) {
2818 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2819 " may be removed in February 2013. Please email"
2820 " dev@openvswitch.org with concerns.",
2823 /* We will add new interfaces later. */
2829 /* Initializes 'oc' appropriately as a management service controller for
2832 * The caller must free oc->target when it is no longer needed. */
2834 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
2835 struct ofproto_controller
*oc
)
2837 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
2838 oc
->max_backoff
= 0;
2839 oc
->probe_interval
= 60;
2840 oc
->band
= OFPROTO_OUT_OF_BAND
;
2842 oc
->burst_limit
= 0;
2843 oc
->enable_async_msgs
= true;
2846 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2848 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
2849 struct ofproto_controller
*oc
)
2853 oc
->target
= c
->target
;
2854 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
2855 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
2856 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
2857 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
2858 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
2859 oc
->burst_limit
= (c
->controller_burst_limit
2860 ? *c
->controller_burst_limit
: 0);
2861 oc
->enable_async_msgs
= (!c
->enable_async_messages
2862 || *c
->enable_async_messages
);
2863 dscp
= smap_get_int(&c
->other_config
, "dscp", DSCP_DEFAULT
);
2864 if (dscp
< 0 || dscp
> 63) {
2865 dscp
= DSCP_DEFAULT
;
2870 /* Configures the IP stack for 'br''s local interface properly according to the
2871 * configuration in 'c'. */
2873 bridge_configure_local_iface_netdev(struct bridge
*br
,
2874 struct ovsrec_controller
*c
)
2876 struct netdev
*netdev
;
2877 struct in_addr mask
, gateway
;
2879 struct iface
*local_iface
;
2882 /* If there's no local interface or no IP address, give up. */
2883 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
2884 if (!local_iface
|| !c
->local_ip
2885 || !inet_pton(AF_INET
, c
->local_ip
, &ip
)) {
2889 /* Bring up the local interface. */
2890 netdev
= local_iface
->netdev
;
2891 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
2893 /* Configure the IP address and netmask. */
2894 if (!c
->local_netmask
2895 || !inet_pton(AF_INET
, c
->local_netmask
, &mask
)
2897 mask
.s_addr
= guess_netmask(ip
.s_addr
);
2899 if (!netdev_set_in4(netdev
, ip
, mask
)) {
2900 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
2901 br
->name
, IP_ARGS(ip
.s_addr
), IP_ARGS(mask
.s_addr
));
2904 /* Configure the default gateway. */
2905 if (c
->local_gateway
2906 && inet_pton(AF_INET
, c
->local_gateway
, &gateway
)
2907 && gateway
.s_addr
) {
2908 if (!netdev_add_router(netdev
, gateway
)) {
2909 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
2910 br
->name
, IP_ARGS(gateway
.s_addr
));
2915 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2916 * in either string are treated as equal to any number of slashes in the other,
2917 * e.g. "x///y" is equal to "x/y".
2919 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
2920 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
2921 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
2922 * 'b' against a prefix of 'a'.
2925 equal_pathnames(const char *a
, const char *b
, size_t b_stoplen
)
2927 const char *b_start
= b
;
2929 if (b
- b_start
>= b_stoplen
) {
2931 } else if (*a
!= *b
) {
2933 } else if (*a
== '/') {
2934 a
+= strspn(a
, "/");
2935 b
+= strspn(b
, "/");
2936 } else if (*a
== '\0') {
2946 bridge_configure_remotes(struct bridge
*br
,
2947 const struct sockaddr_in
*managers
, size_t n_managers
)
2949 bool disable_in_band
;
2951 struct ovsrec_controller
**controllers
;
2952 size_t n_controllers
;
2954 enum ofproto_fail_mode fail_mode
;
2956 struct ofproto_controller
*ocs
;
2960 /* Check if we should disable in-band control on this bridge. */
2961 disable_in_band
= smap_get_bool(&br
->cfg
->other_config
, "disable-in-band",
2964 /* Set OpenFlow queue ID for in-band control. */
2965 ofproto_set_in_band_queue(br
->ofproto
,
2966 smap_get_int(&br
->cfg
->other_config
,
2967 "in-band-queue", -1));
2969 if (disable_in_band
) {
2970 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
2972 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
2975 n_controllers
= bridge_get_controllers(br
, &controllers
);
2977 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
2980 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
2981 for (i
= 0; i
< n_controllers
; i
++) {
2982 struct ovsrec_controller
*c
= controllers
[i
];
2984 if (!strncmp(c
->target
, "punix:", 6)
2985 || !strncmp(c
->target
, "unix:", 5)) {
2986 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2989 if (!strncmp(c
->target
, "unix:", 5)) {
2990 /* Connect to a listening socket */
2991 whitelist
= xasprintf("unix:%s/", ovs_rundir());
2992 if (strchr(c
->target
, '/') &&
2993 !equal_pathnames(c
->target
, whitelist
,
2994 strlen(whitelist
))) {
2995 /* Absolute path specified, but not in ovs_rundir */
2996 VLOG_ERR_RL(&rl
, "bridge %s: Not connecting to socket "
2997 "controller \"%s\" due to possibility for "
2998 "remote exploit. Instead, specify socket "
2999 "in whitelisted \"%s\" or connect to "
3000 "\"unix:%s/%s.mgmt\" (which is always "
3001 "available without special configuration).",
3002 br
->name
, c
->target
, whitelist
,
3003 ovs_rundir(), br
->name
);
3008 whitelist
= xasprintf("punix:%s/%s.controller",
3009 ovs_rundir(), br
->name
);
3010 if (!equal_pathnames(c
->target
, whitelist
, SIZE_MAX
)) {
3011 /* Prevent remote ovsdb-server users from accessing
3012 * arbitrary Unix domain sockets and overwriting arbitrary
3014 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
3015 "controller \"%s\" due to possibility of "
3016 "overwriting local files. Instead, specify "
3017 "whitelisted \"%s\" or connect to "
3018 "\"unix:%s/%s.mgmt\" (which is always "
3019 "available without special configuration).",
3020 br
->name
, c
->target
, whitelist
,
3021 ovs_rundir(), br
->name
);
3030 bridge_configure_local_iface_netdev(br
, c
);
3031 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
3032 if (disable_in_band
) {
3033 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
3038 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
,
3039 bridge_get_allowed_versions(br
));
3040 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
3043 /* Set the fail-mode. */
3044 fail_mode
= !br
->cfg
->fail_mode
3045 || !strcmp(br
->cfg
->fail_mode
, "standalone")
3046 ? OFPROTO_FAIL_STANDALONE
3047 : OFPROTO_FAIL_SECURE
;
3048 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
3050 /* Configure OpenFlow controller connection snooping. */
3051 if (!ofproto_has_snoops(br
->ofproto
)) {
3055 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
3056 ovs_rundir(), br
->name
));
3057 ofproto_set_snoops(br
->ofproto
, &snoops
);
3058 sset_destroy(&snoops
);
3063 bridge_configure_tables(struct bridge
*br
)
3065 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3069 n_tables
= ofproto_get_n_tables(br
->ofproto
);
3071 for (i
= 0; i
< n_tables
; i
++) {
3072 struct ofproto_table_settings s
;
3075 s
.max_flows
= UINT_MAX
;
3078 s
.n_prefix_fields
= 0;
3079 memset(s
.prefix_fields
, ~0, sizeof(s
.prefix_fields
));
3081 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
3082 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
3086 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
3087 s
.max_flows
= *cfg
->flow_limit
;
3089 if (cfg
->overflow_policy
3090 && !strcmp(cfg
->overflow_policy
, "evict")) {
3092 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
3093 for (k
= 0; k
< cfg
->n_groups
; k
++) {
3094 const char *string
= cfg
->groups
[k
];
3097 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
3099 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
3100 "'groups' (%s)", br
->name
, i
, msg
);
3102 } else if (*string
) {
3103 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
3104 "element '%s' contains trailing garbage",
3105 br
->name
, i
, cfg
->groups
[k
]);
3111 /* Prefix lookup fields. */
3112 no_prefixes
= false;
3113 s
.n_prefix_fields
= 0;
3114 for (k
= 0; k
< cfg
->n_prefixes
; k
++) {
3115 const char *name
= cfg
->prefixes
[k
];
3116 const struct mf_field
*mf
;
3118 if (strcmp(name
, "none") == 0) {
3122 mf
= mf_from_name(name
);
3124 VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s",
3128 if (mf
->flow_be32ofs
< 0 || mf
->n_bits
% 32) {
3129 VLOG_WARN("bridge %s: 'prefixes' with incompatible field: "
3130 "%s", br
->name
, name
);
3133 if (s
.n_prefix_fields
>= ARRAY_SIZE(s
.prefix_fields
)) {
3134 VLOG_WARN("bridge %s: 'prefixes' with too many fields, "
3135 "field not used: %s", br
->name
, name
);
3138 s
.prefix_fields
[s
.n_prefix_fields
++] = mf
->id
;
3140 if (s
.n_prefix_fields
== 0 && !no_prefixes
) {
3141 /* Use default values. */
3142 s
.n_prefix_fields
= ARRAY_SIZE(default_prefix_fields
);
3143 memcpy(s
.prefix_fields
, default_prefix_fields
,
3144 sizeof default_prefix_fields
);
3146 if (s
.n_prefix_fields
> 0) {
3148 struct ds ds
= DS_EMPTY_INITIALIZER
;
3149 for (k
= 0; k
< s
.n_prefix_fields
; k
++) {
3151 ds_put_char(&ds
, ',');
3153 ds_put_cstr(&ds
, mf_from_id(s
.prefix_fields
[k
])->name
);
3155 VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.",
3156 br
->name
, i
, ds_cstr(&ds
));
3161 ofproto_configure_table(br
->ofproto
, i
, &s
);
3165 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
3166 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
3167 "%"PRId64
" not supported by this datapath", br
->name
,
3168 br
->cfg
->key_flow_tables
[j
]);
3173 bridge_configure_dp_desc(struct bridge
*br
)
3175 ofproto_set_dp_desc(br
->ofproto
,
3176 smap_get(&br
->cfg
->other_config
, "dp-desc"));
3179 /* Port functions. */
3181 static struct port
*
3182 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
3186 port
= xzalloc(sizeof *port
);
3188 port
->name
= xstrdup(cfg
->name
);
3190 list_init(&port
->ifaces
);
3192 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
3196 /* Deletes interfaces from 'port' that are no longer configured for it. */
3198 port_del_ifaces(struct port
*port
)
3200 struct iface
*iface
, *next
;
3201 struct sset new_ifaces
;
3204 /* Collect list of new interfaces. */
3205 sset_init(&new_ifaces
);
3206 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
3207 const char *name
= port
->cfg
->interfaces
[i
]->name
;
3208 const char *type
= port
->cfg
->interfaces
[i
]->type
;
3209 if (strcmp(type
, "null")) {
3210 sset_add(&new_ifaces
, name
);
3214 /* Get rid of deleted interfaces. */
3215 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3216 if (!sset_contains(&new_ifaces
, iface
->name
)) {
3217 iface_destroy(iface
);
3221 sset_destroy(&new_ifaces
);
3225 port_destroy(struct port
*port
)
3228 struct bridge
*br
= port
->bridge
;
3229 struct iface
*iface
, *next
;
3232 ofproto_bundle_unregister(br
->ofproto
, port
);
3235 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3236 iface_destroy__(iface
);
3239 hmap_remove(&br
->ports
, &port
->hmap_node
);
3245 static struct port
*
3246 port_lookup(const struct bridge
*br
, const char *name
)
3250 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
3252 if (!strcmp(port
->name
, name
)) {
3260 enable_lacp(struct port
*port
, bool *activep
)
3262 if (!port
->cfg
->lacp
) {
3263 /* XXX when LACP implementation has been sufficiently tested, enable by
3264 * default and make active on bonded ports. */
3266 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
3268 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
3271 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
3275 VLOG_WARN("port %s: unknown LACP mode %s",
3276 port
->name
, port
->cfg
->lacp
);
3281 static struct lacp_settings
*
3282 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
3284 const char *lacp_time
, *system_id
;
3287 if (!enable_lacp(port
, &s
->active
)) {
3291 s
->name
= port
->name
;
3293 system_id
= smap_get(&port
->cfg
->other_config
, "lacp-system-id");
3295 if (!ovs_scan(system_id
, ETH_ADDR_SCAN_FMT
,
3296 ETH_ADDR_SCAN_ARGS(s
->id
))) {
3297 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3298 " address.", port
->name
, system_id
);
3302 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
3305 if (eth_addr_is_zero(s
->id
)) {
3306 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
3310 /* Prefer bondable links if unspecified. */
3311 priority
= smap_get_int(&port
->cfg
->other_config
, "lacp-system-priority",
3313 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
3315 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
3317 lacp_time
= smap_get(&port
->cfg
->other_config
, "lacp-time");
3318 s
->fast
= lacp_time
&& !strcasecmp(lacp_time
, "fast");
3320 s
->fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
3321 "lacp-fallback-ab", false);
3327 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
3329 int priority
, portid
, key
;
3331 portid
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-id", 0);
3332 priority
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-priority",
3334 key
= smap_get_int(&iface
->cfg
->other_config
, "lacp-aggregation-key", 0);
3336 if (portid
<= 0 || portid
> UINT16_MAX
) {
3337 portid
= ofp_to_u16(iface
->ofp_port
);
3340 if (priority
<= 0 || priority
> UINT16_MAX
) {
3341 priority
= UINT16_MAX
;
3344 if (key
< 0 || key
> UINT16_MAX
) {
3348 s
->name
= iface
->name
;
3350 s
->priority
= priority
;
3355 port_configure_bond(struct port
*port
, struct bond_settings
*s
)
3357 const char *detect_s
;
3358 struct iface
*iface
;
3359 int miimon_interval
;
3361 s
->name
= port
->name
;
3363 if (port
->cfg
->bond_mode
) {
3364 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
3365 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3366 port
->name
, port
->cfg
->bond_mode
,
3367 bond_mode_to_string(s
->balance
));
3370 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
3372 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3373 * active-backup. At some point we should remove this warning. */
3374 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
3375 " in previous versions, the default bond_mode was"
3376 " balance-slb", port
->name
,
3377 bond_mode_to_string(s
->balance
));
3379 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
3380 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3381 "please use another bond type or disable flood_vlans",
3385 miimon_interval
= smap_get_int(&port
->cfg
->other_config
,
3386 "bond-miimon-interval", 0);
3387 if (miimon_interval
<= 0) {
3388 miimon_interval
= 200;
3391 detect_s
= smap_get(&port
->cfg
->other_config
, "bond-detect-mode");
3392 if (!detect_s
|| !strcmp(detect_s
, "carrier")) {
3393 miimon_interval
= 0;
3394 } else if (strcmp(detect_s
, "miimon")) {
3395 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3396 "defaulting to carrier", port
->name
, detect_s
);
3397 miimon_interval
= 0;
3400 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
3401 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
3402 s
->basis
= smap_get_int(&port
->cfg
->other_config
, "bond-hash-basis", 0);
3403 s
->rebalance_interval
= smap_get_int(&port
->cfg
->other_config
,
3404 "bond-rebalance-interval", 10000);
3405 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
3406 s
->rebalance_interval
= 1000;
3409 s
->fake_iface
= port
->cfg
->bond_fake_iface
;
3411 s
->lacp_fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
3412 "lacp-fallback-ab", false);
3414 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
3415 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
3419 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3420 * instead of obtaining it from the database. */
3422 port_is_synthetic(const struct port
*port
)
3424 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
3427 /* Interface functions. */
3430 iface_is_internal(const struct ovsrec_interface
*iface
,
3431 const struct ovsrec_bridge
*br
)
3433 /* The local port and "internal" ports are always "internal". */
3434 return !strcmp(iface
->type
, "internal") || !strcmp(iface
->name
, br
->name
);
3437 /* Returns the correct network device type for interface 'iface' in bridge
3440 iface_get_type(const struct ovsrec_interface
*iface
,
3441 const struct ovsrec_bridge
*br
)
3445 /* The local port always has type "internal". Other ports take
3446 * their type from the database and default to "system" if none is
3448 if (iface_is_internal(iface
, br
)) {
3451 type
= iface
->type
[0] ? iface
->type
: "system";
3454 return ofproto_port_open_type(br
->datapath_type
, type
);
3458 iface_destroy__(struct iface
*iface
)
3461 struct port
*port
= iface
->port
;
3462 struct bridge
*br
= port
->bridge
;
3464 if (br
->ofproto
&& iface
->ofp_port
!= OFPP_NONE
) {
3465 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
3468 if (iface
->ofp_port
!= OFPP_NONE
) {
3469 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
3472 list_remove(&iface
->port_elem
);
3473 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
3475 /* The user is changing configuration here, so netdev_remove needs to be
3476 * used as opposed to netdev_close */
3477 netdev_remove(iface
->netdev
);
3485 iface_destroy(struct iface
*iface
)
3488 struct port
*port
= iface
->port
;
3490 iface_destroy__(iface
);
3491 if (list_is_empty(&port
->ifaces
)) {
3497 static struct iface
*
3498 iface_lookup(const struct bridge
*br
, const char *name
)
3500 struct iface
*iface
;
3502 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
3503 &br
->iface_by_name
) {
3504 if (!strcmp(iface
->name
, name
)) {
3512 static struct iface
*
3513 iface_find(const char *name
)
3515 const struct bridge
*br
;
3517 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3518 struct iface
*iface
= iface_lookup(br
, name
);
3527 static struct iface
*
3528 iface_from_ofp_port(const struct bridge
*br
, ofp_port_t ofp_port
)
3530 struct iface
*iface
;
3532 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
, hash_ofp_port(ofp_port
),
3534 if (iface
->ofp_port
== ofp_port
) {
3541 /* Set Ethernet address of 'iface', if one is specified in the configuration
3544 iface_set_mac(const struct bridge
*br
, const struct port
*port
, struct iface
*iface
)
3546 uint8_t ea
[ETH_ADDR_LEN
], *mac
= NULL
;
3547 struct iface
*hw_addr_iface
;
3549 if (strcmp(iface
->type
, "internal")) {
3553 if (iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
3555 } else if (port
->cfg
->fake_bridge
) {
3556 /* Fake bridge and no MAC set in the configuration. Pick a local one. */
3557 find_local_hw_addr(br
, ea
, port
, &hw_addr_iface
);
3562 if (iface
->ofp_port
== OFPP_LOCAL
) {
3563 VLOG_ERR("interface %s: ignoring mac in Interface record "
3564 "(use Bridge record to set local port's mac)",
3566 } else if (eth_addr_is_multicast(mac
)) {
3567 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3570 int error
= netdev_set_etheraddr(iface
->netdev
, mac
);
3572 VLOG_ERR("interface %s: setting MAC failed (%s)",
3573 iface
->name
, ovs_strerror(error
));
3579 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3581 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, ofp_port_t ofport
)
3583 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3584 int64_t port
= ofport
== OFPP_NONE
? -1 : ofp_to_u16(ofport
);
3585 ovsrec_interface_set_ofport(if_cfg
, &port
, 1);
3589 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3590 * sets the "ofport" field to -1.
3592 * This is appropriate when 'if_cfg''s interface cannot be created or is
3593 * otherwise invalid. */
3595 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
)
3597 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3598 iface_set_ofport(if_cfg
, OFPP_NONE
);
3599 ovsrec_interface_set_error(if_cfg
, errp
);
3600 ovsrec_interface_set_status(if_cfg
, NULL
);
3601 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
3602 ovsrec_interface_set_duplex(if_cfg
, NULL
);
3603 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
3604 ovsrec_interface_set_link_state(if_cfg
, NULL
);
3605 ovsrec_interface_set_mac_in_use(if_cfg
, NULL
);
3606 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
3607 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
3608 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
3609 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
3610 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
3611 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
3612 ovsrec_interface_set_ifindex(if_cfg
, NULL
, 0);
3617 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
3619 union ovsdb_atom atom
;
3621 atom
.integer
= target
;
3622 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
3626 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
3628 struct ofpbuf queues_buf
;
3630 ofpbuf_init(&queues_buf
, 0);
3632 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
3633 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
3635 const struct ovsdb_datum
*queues
;
3636 struct netdev_queue_dump dump
;
3637 unsigned int queue_id
;
3638 struct smap details
;
3642 /* Configure top-level Qos for 'iface'. */
3643 netdev_set_qos(iface
->netdev
, qos
->type
, &qos
->other_config
);
3645 /* Deconfigure queues that were deleted. */
3646 queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
3648 smap_init(&details
);
3649 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
3650 if (!queue_ids_include(queues
, queue_id
)) {
3651 netdev_delete_queue(iface
->netdev
, queue_id
);
3654 smap_destroy(&details
);
3656 /* Configure queues for 'iface'. */
3658 for (i
= 0; i
< qos
->n_queues
; i
++) {
3659 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
3660 unsigned int queue_id
= qos
->key_queues
[i
];
3662 if (queue_id
== 0) {
3666 if (queue
->n_dscp
== 1) {
3667 struct ofproto_port_queue
*port_queue
;
3669 port_queue
= ofpbuf_put_uninit(&queues_buf
,
3670 sizeof *port_queue
);
3671 port_queue
->queue
= queue_id
;
3672 port_queue
->dscp
= queue
->dscp
[0];
3675 netdev_set_queue(iface
->netdev
, queue_id
, &queue
->other_config
);
3678 struct smap details
;
3680 smap_init(&details
);
3681 netdev_set_queue(iface
->netdev
, 0, &details
);
3682 smap_destroy(&details
);
3686 if (iface
->ofp_port
!= OFPP_NONE
) {
3687 const struct ofproto_port_queue
*port_queues
= ofpbuf_data(&queues_buf
);
3688 size_t n_queues
= ofpbuf_size(&queues_buf
) / sizeof *port_queues
;
3690 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
3691 port_queues
, n_queues
);
3694 netdev_set_policing(iface
->netdev
,
3695 iface
->cfg
->ingress_policing_rate
,
3696 iface
->cfg
->ingress_policing_burst
);
3698 ofpbuf_uninit(&queues_buf
);
3702 iface_configure_cfm(struct iface
*iface
)
3704 const struct ovsrec_interface
*cfg
= iface
->cfg
;
3705 const char *opstate_str
;
3706 const char *cfm_ccm_vlan
;
3707 struct cfm_settings s
;
3708 struct smap netdev_args
;
3710 if (!cfg
->n_cfm_mpid
) {
3711 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
3715 s
.check_tnl_key
= false;
3716 smap_init(&netdev_args
);
3717 if (!netdev_get_config(iface
->netdev
, &netdev_args
)) {
3718 const char *key
= smap_get(&netdev_args
, "key");
3719 const char *in_key
= smap_get(&netdev_args
, "in_key");
3721 s
.check_tnl_key
= (key
&& !strcmp(key
, "flow"))
3722 || (in_key
&& !strcmp(in_key
, "flow"));
3724 smap_destroy(&netdev_args
);
3726 s
.mpid
= *cfg
->cfm_mpid
;
3727 s
.interval
= smap_get_int(&iface
->cfg
->other_config
, "cfm_interval", 0);
3728 cfm_ccm_vlan
= smap_get(&iface
->cfg
->other_config
, "cfm_ccm_vlan");
3729 s
.ccm_pcp
= smap_get_int(&iface
->cfg
->other_config
, "cfm_ccm_pcp", 0);
3731 if (s
.interval
<= 0) {
3735 if (!cfm_ccm_vlan
) {
3737 } else if (!strcasecmp("random", cfm_ccm_vlan
)) {
3738 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
3740 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
3741 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
3746 s
.extended
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_extended",
3748 s
.demand
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_demand", false);
3750 opstate_str
= smap_get(&iface
->cfg
->other_config
, "cfm_opstate");
3751 s
.opup
= !opstate_str
|| !strcasecmp("up", opstate_str
);
3753 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
3756 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3757 * instead of obtaining it from the database. */
3759 iface_is_synthetic(const struct iface
*iface
)
3761 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
3765 iface_validate_ofport__(size_t n
, int64_t *ofport
)
3767 return (n
&& *ofport
>= 1 && *ofport
< ofp_to_u16(OFPP_MAX
)
3768 ? u16_to_ofp(*ofport
)
3773 iface_get_requested_ofp_port(const struct ovsrec_interface
*cfg
)
3775 return iface_validate_ofport__(cfg
->n_ofport_request
, cfg
->ofport_request
);
3779 iface_pick_ofport(const struct ovsrec_interface
*cfg
)
3781 ofp_port_t requested_ofport
= iface_get_requested_ofp_port(cfg
);
3782 return (requested_ofport
!= OFPP_NONE
3784 : iface_validate_ofport__(cfg
->n_ofport
, cfg
->ofport
));
3787 /* Port mirroring. */
3789 static struct mirror
*
3790 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
3794 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
3795 if (uuid_equals(uuid
, &m
->uuid
)) {
3803 bridge_configure_mirrors(struct bridge
*br
)
3805 const struct ovsdb_datum
*mc
;
3806 unsigned long *flood_vlans
;
3807 struct mirror
*m
, *next
;
3810 /* Get rid of deleted mirrors. */
3811 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
3812 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
3813 union ovsdb_atom atom
;
3815 atom
.uuid
= m
->uuid
;
3816 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3821 /* Add new mirrors and reconfigure existing ones. */
3822 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
3823 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
3824 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
3826 m
= mirror_create(br
, cfg
);
3829 if (!mirror_configure(m
)) {
3834 /* Update flooded vlans (for RSPAN). */
3835 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
3836 br
->cfg
->n_flood_vlans
);
3837 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
3838 bitmap_free(flood_vlans
);
3841 static struct mirror
*
3842 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
3846 m
= xzalloc(sizeof *m
);
3847 m
->uuid
= cfg
->header_
.uuid
;
3848 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
3850 m
->name
= xstrdup(cfg
->name
);
3856 mirror_destroy(struct mirror
*m
)
3859 struct bridge
*br
= m
->bridge
;
3862 ofproto_mirror_unregister(br
->ofproto
, m
);
3865 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
3872 mirror_collect_ports(struct mirror
*m
,
3873 struct ovsrec_port
**in_ports
, int n_in_ports
,
3874 void ***out_portsp
, size_t *n_out_portsp
)
3876 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
3877 size_t n_out_ports
= 0;
3880 for (i
= 0; i
< n_in_ports
; i
++) {
3881 const char *name
= in_ports
[i
]->name
;
3882 struct port
*port
= port_lookup(m
->bridge
, name
);
3884 out_ports
[n_out_ports
++] = port
;
3886 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3887 "port %s", m
->bridge
->name
, m
->name
, name
);
3890 *out_portsp
= out_ports
;
3891 *n_out_portsp
= n_out_ports
;
3895 mirror_configure(struct mirror
*m
)
3897 const struct ovsrec_mirror
*cfg
= m
->cfg
;
3898 struct ofproto_mirror_settings s
;
3901 if (strcmp(cfg
->name
, m
->name
)) {
3903 m
->name
= xstrdup(cfg
->name
);
3907 /* Get output port or VLAN. */
3908 if (cfg
->output_port
) {
3909 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
3910 if (!s
.out_bundle
) {
3911 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3912 m
->bridge
->name
, m
->name
);
3915 s
.out_vlan
= UINT16_MAX
;
3917 if (cfg
->output_vlan
) {
3918 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3919 "output vlan; ignoring output vlan",
3920 m
->bridge
->name
, m
->name
);
3922 } else if (cfg
->output_vlan
) {
3923 /* The database should prevent invalid VLAN values. */
3924 s
.out_bundle
= NULL
;
3925 s
.out_vlan
= *cfg
->output_vlan
;
3927 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3928 m
->bridge
->name
, m
->name
);
3932 /* Get port selection. */
3933 if (cfg
->select_all
) {
3934 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
3935 void **ports
= xmalloc(n_ports
* sizeof *ports
);
3940 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
3950 /* Get ports, dropping ports that don't exist.
3951 * The IDL ensures that there are no duplicates. */
3952 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
3953 &s
.srcs
, &s
.n_srcs
);
3954 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
3955 &s
.dsts
, &s
.n_dsts
);
3958 /* Get VLAN selection. */
3959 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
3962 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
3965 if (s
.srcs
!= s
.dsts
) {
3974 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3976 * This is deprecated. It is only for compatibility with broken device drivers
3977 * in old versions of Linux that do not properly support VLANs when VLAN
3978 * devices are not used. When broken device drivers are no longer in
3979 * widespread use, we will delete these interfaces. */
3981 static struct ovsrec_port
**recs
;
3982 static size_t n_recs
, allocated_recs
;
3984 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3985 * splinters are reconfigured. */
3987 register_rec(struct ovsrec_port
*rec
)
3989 if (n_recs
>= allocated_recs
) {
3990 recs
= x2nrealloc(recs
, &allocated_recs
, sizeof *recs
);
3992 recs
[n_recs
++] = rec
;
3995 /* Frees all of the ports registered with register_reg(). */
3997 free_registered_recs(void)
4001 for (i
= 0; i
< n_recs
; i
++) {
4002 struct ovsrec_port
*port
= recs
[i
];
4005 for (j
= 0; j
< port
->n_interfaces
; j
++) {
4006 struct ovsrec_interface
*iface
= port
->interfaces
[j
];
4011 smap_destroy(&port
->other_config
);
4012 free(port
->interfaces
);
4020 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
4023 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
4025 return smap_get_bool(&iface_cfg
->other_config
, "enable-vlan-splinters",
4029 /* Figures out the set of VLANs that are in use for the purpose of VLAN
4032 * If VLAN splinters are enabled on at least one interface and any VLANs are in
4033 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
4034 * 4095 will not be set). The caller is responsible for freeing the bitmap,
4037 * If VLANs splinters are not enabled on any interface or if no VLANs are in
4038 * use, returns NULL.
4040 * Updates 'vlan_splinters_enabled_anywhere'. */
4041 static unsigned long int *
4042 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
4044 unsigned long int *splinter_vlans
;
4045 struct sset splinter_ifaces
;
4046 const char *real_dev_name
;
4047 struct shash
*real_devs
;
4048 struct shash_node
*node
;
4052 /* Free space allocated for synthesized ports and interfaces, since we're
4053 * in the process of reconstructing all of them. */
4054 free_registered_recs();
4056 splinter_vlans
= bitmap_allocate(4096);
4057 sset_init(&splinter_ifaces
);
4058 vlan_splinters_enabled_anywhere
= false;
4059 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
4060 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
4063 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
4064 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
4067 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
4068 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
4070 if (vlan_splinters_is_enabled(iface_cfg
)) {
4071 vlan_splinters_enabled_anywhere
= true;
4072 sset_add(&splinter_ifaces
, iface_cfg
->name
);
4073 vlan_bitmap_from_array__(port_cfg
->trunks
,
4079 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
4080 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
4085 if (!vlan_splinters_enabled_anywhere
) {
4086 free(splinter_vlans
);
4087 sset_destroy(&splinter_ifaces
);
4091 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4093 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
4097 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
4098 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
4099 * device to be created for it. */
4100 bitmap_set0(splinter_vlans
, 0);
4101 bitmap_set0(splinter_vlans
, 4095);
4103 /* Delete all VLAN devices that we don't need. */
4105 real_devs
= vlandev_get_real_devs();
4106 SHASH_FOR_EACH (node
, real_devs
) {
4107 const struct vlan_real_dev
*real_dev
= node
->data
;
4108 const struct vlan_dev
*vlan_dev
;
4109 bool real_dev_has_splinters
;
4111 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
4113 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
4114 if (!real_dev_has_splinters
4115 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
4116 struct netdev
*netdev
;
4118 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
4119 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
4120 !netdev_get_in6(netdev
, NULL
)) {
4121 /* It has an IP address configured, so we don't own
4122 * it. Don't delete it. */
4124 vlandev_del(vlan_dev
->name
);
4126 netdev_close(netdev
);
4133 /* Add all VLAN devices that we need. */
4134 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
4137 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4138 if (!vlandev_get_name(real_dev_name
, vid
)) {
4139 vlandev_add(real_dev_name
, vid
);
4146 sset_destroy(&splinter_ifaces
);
4148 if (bitmap_scan(splinter_vlans
, 1, 0, 4096) >= 4096) {
4149 free(splinter_vlans
);
4152 return splinter_vlans
;
4155 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
4158 configure_splinter_port(struct port
*port
)
4160 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
4161 ofp_port_t realdev_ofp_port
;
4162 const char *realdev_name
;
4163 struct iface
*vlandev
, *realdev
;
4165 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
4167 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
4170 realdev_name
= smap_get(&port
->cfg
->other_config
, "realdev");
4171 realdev
= iface_lookup(port
->bridge
, realdev_name
);
4172 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
4174 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
4178 static struct ovsrec_port
*
4179 synthesize_splinter_port(const char *real_dev_name
,
4180 const char *vlan_dev_name
, int vid
)
4182 struct ovsrec_interface
*iface
;
4183 struct ovsrec_port
*port
;
4185 iface
= xmalloc(sizeof *iface
);
4186 ovsrec_interface_init(iface
);
4187 iface
->name
= xstrdup(vlan_dev_name
);
4188 iface
->type
= "system";
4190 port
= xmalloc(sizeof *port
);
4191 ovsrec_port_init(port
);
4192 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
4193 port
->n_interfaces
= 1;
4194 port
->name
= xstrdup(vlan_dev_name
);
4195 port
->vlan_mode
= "splinter";
4196 port
->tag
= xmalloc(sizeof *port
->tag
);
4199 smap_add(&port
->other_config
, "realdev", real_dev_name
);
4205 /* For each interface with 'br' that has VLAN splinters enabled, adds a
4206 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
4207 * 1-bit in the 'splinter_vlans' bitmap. */
4209 add_vlan_splinter_ports(struct bridge
*br
,
4210 const unsigned long int *splinter_vlans
,
4211 struct shash
*ports
)
4215 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
4216 * we're modifying 'ports'. */
4217 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
4218 const char *name
= br
->cfg
->ports
[i
]->name
;
4219 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
4222 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
4223 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
4225 if (vlan_splinters_is_enabled(iface_cfg
)) {
4226 const char *real_dev_name
;
4229 real_dev_name
= iface_cfg
->name
;
4230 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4231 const char *vlan_dev_name
;
4233 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
4235 && !shash_find(ports
, vlan_dev_name
)) {
4236 shash_add(ports
, vlan_dev_name
,
4237 synthesize_splinter_port(
4238 real_dev_name
, vlan_dev_name
, vid
));
4247 mirror_refresh_stats(struct mirror
*m
)
4249 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
4250 uint64_t tx_packets
, tx_bytes
;
4253 size_t stat_cnt
= 0;
4255 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
4256 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
4260 if (tx_packets
!= UINT64_MAX
) {
4261 keys
[stat_cnt
] = "tx_packets";
4262 values
[stat_cnt
] = tx_packets
;
4265 if (tx_bytes
!= UINT64_MAX
) {
4266 keys
[stat_cnt
] = "tx_bytes";
4267 values
[stat_cnt
] = tx_bytes
;
4271 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);