1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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"
37 #include "mac-learning.h"
38 #include "mcast-snooping.h"
39 #include "meta-flow.h"
42 #include "ofp-print.h"
45 #include "ofproto/bond.h"
46 #include "ofproto/ofproto.h"
48 #include "poll-loop.h"
53 #include "socket-util.h"
55 #include "stream-ssl.h"
57 #include "system-stats.h"
62 #include "lib/vswitch-idl.h"
63 #include "xenserver.h"
64 #include "openvswitch/vlog.h"
65 #include "sflow_api.h"
66 #include "vlan-bitmap.h"
69 VLOG_DEFINE_THIS_MODULE(bridge
);
71 COVERAGE_DEFINE(bridge_reconfigure
);
74 /* These members are always valid.
76 * They are immutable: they never change between iface_create() and
78 struct ovs_list port_elem
; /* Element in struct port's "ifaces" list. */
79 struct hmap_node name_node
; /* In struct bridge's "iface_by_name" hmap. */
80 struct hmap_node ofp_port_node
; /* In struct bridge's "ifaces" hmap. */
81 struct port
*port
; /* Containing port. */
82 char *name
; /* Host network device name. */
83 struct netdev
*netdev
; /* Network device. */
84 ofp_port_t ofp_port
; /* OpenFlow port number. */
87 /* These members are valid only within bridge_reconfigure(). */
88 const char *type
; /* Usually same as cfg->type. */
89 const struct ovsrec_interface
*cfg
;
93 struct uuid uuid
; /* UUID of this "mirror" record in database. */
94 struct hmap_node hmap_node
; /* In struct bridge's "mirrors" hmap. */
95 struct bridge
*bridge
;
97 const struct ovsrec_mirror
*cfg
;
101 struct hmap_node hmap_node
; /* Element in struct bridge's "ports" hmap. */
102 struct bridge
*bridge
;
105 const struct ovsrec_port
*cfg
;
107 /* An ordinary bridge port has 1 interface.
108 * A bridge port for bonding has at least 2 interfaces. */
109 struct ovs_list ifaces
; /* List of "struct iface"s. */
113 struct hmap_node node
; /* In 'all_bridges'. */
114 char *name
; /* User-specified arbitrary name. */
115 char *type
; /* Datapath type. */
116 uint8_t ea
[ETH_ADDR_LEN
]; /* Bridge Ethernet Address. */
117 uint8_t default_ea
[ETH_ADDR_LEN
]; /* Default MAC. */
118 const struct ovsrec_bridge
*cfg
;
120 /* OpenFlow switch processing. */
121 struct ofproto
*ofproto
; /* OpenFlow switch. */
124 struct hmap ports
; /* "struct port"s indexed by name. */
125 struct hmap ifaces
; /* "struct iface"s indexed by ofp_port. */
126 struct hmap iface_by_name
; /* "struct iface"s indexed by name. */
128 /* Port mirroring. */
129 struct hmap mirrors
; /* "struct mirror" indexed by UUID. */
132 struct hmap mappings
; /* "struct" indexed by UUID */
134 /* Used during reconfiguration. */
135 struct shash wanted_ports
;
137 /* Synthetic local port if necessary. */
138 struct ovsrec_port synth_local_port
;
139 struct ovsrec_interface synth_local_iface
;
140 struct ovsrec_interface
*synth_local_ifacep
;
144 struct hmap_node hmap_node
; /* In struct bridge's "mappings" hmap. */
145 struct bridge
*bridge
;
151 /* All bridges, indexed by name. */
152 static struct hmap all_bridges
= HMAP_INITIALIZER(&all_bridges
);
154 /* OVSDB IDL used to obtain configuration. */
155 static struct ovsdb_idl
*idl
;
157 /* We want to complete daemonization, fully detaching from our parent process,
158 * only after we have completed our initial configuration, committed our state
159 * to the database, and received confirmation back from the database server
160 * that it applied the commit. This allows our parent process to know that,
161 * post-detach, ephemeral fields such as datapath-id and ofport are very likely
162 * to have already been filled in. (It is only "very likely" rather than
163 * certain because there is always a slim possibility that the transaction will
164 * fail or that some other client has added new bridges, ports, etc. while
165 * ovs-vswitchd was configuring using an old configuration.)
167 * We only need to do this once for our initial configuration at startup, so
168 * 'initial_config_done' tracks whether we've already done it. While we are
169 * waiting for a response to our commit, 'daemonize_txn' tracks the transaction
170 * itself and is otherwise NULL. */
171 static bool initial_config_done
;
172 static struct ovsdb_idl_txn
*daemonize_txn
;
174 /* Most recently processed IDL sequence number. */
175 static unsigned int idl_seqno
;
177 /* Track changes to port connectivity. */
178 static uint64_t connectivity_seqno
= LLONG_MIN
;
180 /* Status update to database.
182 * Some information in the database must be kept as up-to-date as possible to
183 * allow controllers to respond rapidly to network outages. Those status are
184 * updated via the 'status_txn'.
186 * We use the global connectivity sequence number to detect the status change.
187 * Also, to prevent the status update from sending too much to the database,
188 * we check the return status of each update transaction and do not start new
189 * update if the previous transaction status is 'TXN_INCOMPLETE'.
191 * 'statux_txn' is NULL if there is no ongoing status update.
193 * If the previous database transaction was failed (is not 'TXN_SUCCESS',
194 * 'TXN_UNCHANGED' or 'TXN_INCOMPLETE'), 'status_txn_try_again' is set to true,
195 * which will cause the main thread wake up soon and retry the status update.
197 static struct ovsdb_idl_txn
*status_txn
;
198 static bool status_txn_try_again
;
200 /* When the status update transaction returns 'TXN_INCOMPLETE', should register a
201 * timeout in 'STATUS_CHECK_AGAIN_MSEC' to check again. */
202 #define STATUS_CHECK_AGAIN_MSEC 100
204 /* Each time this timer expires, the bridge fetches interface and mirror
205 * statistics and pushes them into the database. */
206 static int stats_timer_interval
;
207 static long long int stats_timer
= LLONG_MIN
;
209 /* Each time this timer expires, the bridge fetches the list of port/VLAN
210 * membership that has been modified by the AA.
212 #define AA_REFRESH_INTERVAL (1000) /* In milliseconds. */
213 static long long int aa_refresh_timer
= LLONG_MIN
;
215 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
216 * expensive. This can cause bridge_reconfigure() to take a long time during
217 * which no other work can be done. To deal with this problem, we limit port
218 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
219 * call to bridge_reconfigure(). If there is more work to do after the limit
220 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
221 * This allows the rest of the code to catch up on important things like
222 * forwarding packets. */
223 #define OFP_PORT_ACTION_WINDOW 10
225 static void add_del_bridges(const struct ovsrec_open_vswitch
*);
226 static void bridge_run__(void);
227 static void bridge_create(const struct ovsrec_bridge
*);
228 static void bridge_destroy(struct bridge
*);
229 static struct bridge
*bridge_lookup(const char *name
);
230 static unixctl_cb_func bridge_unixctl_dump_flows
;
231 static unixctl_cb_func bridge_unixctl_reconnect
;
232 static size_t bridge_get_controllers(const struct bridge
*br
,
233 struct ovsrec_controller
***controllersp
);
234 static void bridge_collect_wanted_ports(struct bridge
*,
235 const unsigned long *splinter_vlans
,
236 struct shash
*wanted_ports
);
237 static void bridge_delete_ofprotos(void);
238 static void bridge_delete_or_reconfigure_ports(struct bridge
*);
239 static void bridge_del_ports(struct bridge
*,
240 const struct shash
*wanted_ports
);
241 static void bridge_add_ports(struct bridge
*,
242 const struct shash
*wanted_ports
);
244 static void bridge_configure_datapath_id(struct bridge
*);
245 static void bridge_configure_netflow(struct bridge
*);
246 static void bridge_configure_forward_bpdu(struct bridge
*);
247 static void bridge_configure_mac_table(struct bridge
*);
248 static void bridge_configure_mcast_snooping(struct bridge
*);
249 static void bridge_configure_sflow(struct bridge
*, int *sflow_bridge_number
);
250 static void bridge_configure_ipfix(struct bridge
*);
251 static void bridge_configure_spanning_tree(struct bridge
*);
252 static void bridge_configure_tables(struct bridge
*);
253 static void bridge_configure_dp_desc(struct bridge
*);
254 static void bridge_configure_aa(struct bridge
*);
255 static void bridge_aa_refresh_queued(struct bridge
*);
256 static bool bridge_aa_need_refresh(struct bridge
*);
257 static void bridge_configure_remotes(struct bridge
*,
258 const struct sockaddr_in
*managers
,
260 static void bridge_pick_local_hw_addr(struct bridge
*,
261 uint8_t ea
[ETH_ADDR_LEN
],
262 struct iface
**hw_addr_iface
);
263 static uint64_t bridge_pick_datapath_id(struct bridge
*,
264 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
265 struct iface
*hw_addr_iface
);
266 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
267 static bool bridge_has_bond_fake_iface(const struct bridge
*,
269 static bool port_is_bond_fake_iface(const struct port
*);
271 static unixctl_cb_func qos_unixctl_show
;
273 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
274 static void port_del_ifaces(struct port
*);
275 static void port_destroy(struct port
*);
276 static struct port
*port_lookup(const struct bridge
*, const char *name
);
277 static void port_configure(struct port
*);
278 static struct lacp_settings
*port_configure_lacp(struct port
*,
279 struct lacp_settings
*);
280 static void port_configure_bond(struct port
*, struct bond_settings
*);
281 static bool port_is_synthetic(const struct port
*);
283 static void reconfigure_system_stats(const struct ovsrec_open_vswitch
*);
284 static void run_system_stats(void);
286 static void bridge_configure_mirrors(struct bridge
*);
287 static struct mirror
*mirror_create(struct bridge
*,
288 const struct ovsrec_mirror
*);
289 static void mirror_destroy(struct mirror
*);
290 static bool mirror_configure(struct mirror
*);
291 static void mirror_refresh_stats(struct mirror
*);
293 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
294 static bool iface_create(struct bridge
*, const struct ovsrec_interface
*,
295 const struct ovsrec_port
*);
296 static bool iface_is_internal(const struct ovsrec_interface
*iface
,
297 const struct ovsrec_bridge
*br
);
298 static const char *iface_get_type(const struct ovsrec_interface
*,
299 const struct ovsrec_bridge
*);
300 static void iface_destroy(struct iface
*);
301 static void iface_destroy__(struct iface
*);
302 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
303 static struct iface
*iface_find(const char *name
);
304 static struct iface
*iface_from_ofp_port(const struct bridge
*,
305 ofp_port_t ofp_port
);
306 static void iface_set_mac(const struct bridge
*, const struct port
*, struct iface
*);
307 static void iface_set_ofport(const struct ovsrec_interface
*, ofp_port_t ofport
);
308 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
);
309 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
310 static void iface_configure_cfm(struct iface
*);
311 static void iface_refresh_cfm_stats(struct iface
*);
312 static void iface_refresh_stats(struct iface
*);
313 static void iface_refresh_netdev_status(struct iface
*);
314 static void iface_refresh_ofproto_status(struct iface
*);
315 static bool iface_is_synthetic(const struct iface
*);
316 static ofp_port_t
iface_get_requested_ofp_port(
317 const struct ovsrec_interface
*);
318 static ofp_port_t
iface_pick_ofport(const struct ovsrec_interface
*);
320 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
322 * This is deprecated. It is only for compatibility with broken device drivers
323 * in old versions of Linux that do not properly support VLANs when VLAN
324 * devices are not used. When broken device drivers are no longer in
325 * widespread use, we will delete these interfaces. */
327 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
328 static bool vlan_splinters_enabled_anywhere
;
330 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
331 static unsigned long int *collect_splinter_vlans(
332 const struct ovsrec_open_vswitch
*);
333 static void configure_splinter_port(struct port
*);
334 static void add_vlan_splinter_ports(struct bridge
*,
335 const unsigned long int *splinter_vlans
,
336 struct shash
*ports
);
339 bridge_init_ofproto(const struct ovsrec_open_vswitch
*cfg
)
341 struct shash iface_hints
;
342 static bool initialized
= false;
349 shash_init(&iface_hints
);
352 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
353 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
356 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
357 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
360 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
361 struct ovsrec_interface
*if_cfg
= port_cfg
->interfaces
[k
];
362 struct iface_hint
*iface_hint
;
364 iface_hint
= xmalloc(sizeof *iface_hint
);
365 iface_hint
->br_name
= br_cfg
->name
;
366 iface_hint
->br_type
= br_cfg
->datapath_type
;
367 iface_hint
->ofp_port
= iface_pick_ofport(if_cfg
);
369 shash_add(&iface_hints
, if_cfg
->name
, iface_hint
);
375 ofproto_init(&iface_hints
);
377 shash_destroy_free_data(&iface_hints
);
381 /* Public functions. */
383 /* Initializes the bridge module, configuring it to obtain its configuration
384 * from an OVSDB server accessed over 'remote', which should be a string in a
385 * form acceptable to ovsdb_idl_create(). */
387 bridge_init(const char *remote
)
389 /* Create connection to database. */
390 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true, true);
391 idl_seqno
= ovsdb_idl_get_seqno(idl
);
392 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
393 ovsdb_idl_verify_write_only(idl
);
395 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
396 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
397 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
398 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
399 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
400 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
401 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
403 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
404 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_version
);
405 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
406 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_rstp_status
);
407 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_stp_enable
);
408 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_rstp_enable
);
409 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
411 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
412 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_rstp_status
);
413 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_rstp_statistics
);
414 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
415 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_bond_active_slave
);
416 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
417 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_trunks
);
418 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_vlan_mode
);
419 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
420 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
421 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
422 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
423 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
424 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mac_in_use
);
425 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ifindex
);
426 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
427 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
428 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
429 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
430 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
431 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
432 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
433 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_flap_count
);
434 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_health
);
435 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_opstate
);
436 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_bfd_status
);
437 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
438 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_error
);
439 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
441 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
442 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
443 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
444 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
446 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
448 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
450 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
451 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
453 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
454 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
455 ovsdb_idl_omit(idl
, &ovsrec_ipfix_col_external_ids
);
456 ovsdb_idl_omit(idl
, &ovsrec_flow_sample_collector_set_col_external_ids
);
458 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
459 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
460 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
461 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
462 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
464 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
466 /* Register unixctl commands. */
467 unixctl_command_register("qos/show", "interface", 1, 1,
468 qos_unixctl_show
, NULL
);
469 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
470 bridge_unixctl_dump_flows
, NULL
);
471 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
472 bridge_unixctl_reconnect
, NULL
);
485 struct bridge
*br
, *next_br
;
487 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
490 ovsdb_idl_destroy(idl
);
493 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
494 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
495 * responsible for freeing '*managersp' (with free()).
497 * You may be asking yourself "why does ovs-vswitchd care?", because
498 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
499 * should not be and in fact is not directly involved in that. But
500 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
501 * it has to tell in-band control where the managers are to enable that.
502 * (Thus, only managers connected in-band are collected.)
505 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
506 struct sockaddr_in
**managersp
, size_t *n_managersp
)
508 struct sockaddr_in
*managers
= NULL
;
509 size_t n_managers
= 0;
513 /* Collect all of the potential targets from the "targets" columns of the
514 * rows pointed to by "manager_options", excluding any that are
517 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
518 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
520 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
521 sset_find_and_delete(&targets
, m
->target
);
523 sset_add(&targets
, m
->target
);
527 /* Now extract the targets' IP addresses. */
528 if (!sset_is_empty(&targets
)) {
531 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
532 SSET_FOR_EACH (target
, &targets
) {
534 struct sockaddr_storage ss
;
535 struct sockaddr_in in
;
538 if (stream_parse_target_with_default_port(target
, OVSDB_PORT
,
540 && sa
.ss
.ss_family
== AF_INET
) {
541 managers
[n_managers
++] = sa
.in
;
545 sset_destroy(&targets
);
547 *managersp
= managers
;
548 *n_managersp
= n_managers
;
552 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
554 unsigned long int *splinter_vlans
;
555 struct sockaddr_in
*managers
;
556 struct bridge
*br
, *next
;
557 int sflow_bridge_number
;
560 COVERAGE_INC(bridge_reconfigure
);
562 ofproto_set_flow_limit(smap_get_int(&ovs_cfg
->other_config
, "flow-limit",
563 OFPROTO_FLOW_LIMIT_DEFAULT
));
564 ofproto_set_max_idle(smap_get_int(&ovs_cfg
->other_config
, "max-idle",
565 OFPROTO_MAX_IDLE_DEFAULT
));
566 ofproto_set_n_dpdk_rxqs(smap_get_int(&ovs_cfg
->other_config
,
568 ofproto_set_cpu_mask(smap_get(&ovs_cfg
->other_config
, "pmd-cpu-mask"));
571 smap_get_int(&ovs_cfg
->other_config
, "n-handler-threads", 0),
572 smap_get_int(&ovs_cfg
->other_config
, "n-revalidator-threads", 0));
574 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
575 * to 'ovs_cfg', with only very minimal configuration otherwise.
577 * This is mostly an update to bridge data structures. Nothing is pushed
578 * down to ofproto or lower layers. */
579 add_del_bridges(ovs_cfg
);
580 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
581 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
582 bridge_collect_wanted_ports(br
, splinter_vlans
, &br
->wanted_ports
);
583 bridge_del_ports(br
, &br
->wanted_ports
);
585 free(splinter_vlans
);
587 /* Start pushing configuration changes down to the ofproto layer:
589 * - Delete ofprotos that are no longer configured.
591 * - Delete ports that are no longer configured.
593 * - Reconfigure existing ports to their desired configurations, or
594 * delete them if not possible.
596 * We have to do all the deletions before we can do any additions, because
597 * the ports to be added might require resources that will be freed up by
598 * deletions (they might especially overlap in name). */
599 bridge_delete_ofprotos();
600 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
602 bridge_delete_or_reconfigure_ports(br
);
606 /* Finish pushing configuration changes to the ofproto layer:
608 * - Create ofprotos that are missing.
610 * - Add ports that are missing. */
611 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
615 error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
617 VLOG_ERR("failed to create bridge %s: %s", br
->name
,
618 ovs_strerror(error
));
619 shash_destroy(&br
->wanted_ports
);
622 /* Trigger storing datapath version. */
623 seq_change(connectivity_seq_get());
627 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
628 bridge_add_ports(br
, &br
->wanted_ports
);
629 shash_destroy(&br
->wanted_ports
);
632 reconfigure_system_stats(ovs_cfg
);
634 /* Complete the configuration. */
635 sflow_bridge_number
= 0;
636 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
637 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
640 /* We need the datapath ID early to allow LACP ports to use it as the
641 * default system ID. */
642 bridge_configure_datapath_id(br
);
644 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
647 port_configure(port
);
649 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
650 iface_set_ofport(iface
->cfg
, iface
->ofp_port
);
651 /* Clear eventual previous errors */
652 ovsrec_interface_set_error(iface
->cfg
, NULL
);
653 iface_configure_cfm(iface
);
654 iface_configure_qos(iface
, port
->cfg
->qos
);
655 iface_set_mac(br
, port
, iface
);
656 ofproto_port_set_bfd(br
->ofproto
, iface
->ofp_port
,
658 ofproto_port_set_lldp(br
->ofproto
, iface
->ofp_port
,
662 bridge_configure_mirrors(br
);
663 bridge_configure_forward_bpdu(br
);
664 bridge_configure_mac_table(br
);
665 bridge_configure_mcast_snooping(br
);
666 bridge_configure_remotes(br
, managers
, n_managers
);
667 bridge_configure_netflow(br
);
668 bridge_configure_sflow(br
, &sflow_bridge_number
);
669 bridge_configure_ipfix(br
);
670 bridge_configure_spanning_tree(br
);
671 bridge_configure_tables(br
);
672 bridge_configure_dp_desc(br
);
673 bridge_configure_aa(br
);
677 /* The ofproto-dpif provider does some final reconfiguration in its
678 * ->type_run() function. We have to call it before notifying the database
679 * client that reconfiguration is complete, otherwise there is a very
680 * narrow race window in which e.g. ofproto/trace will not recognize the
681 * new configuration (sometimes this causes unit test failures). */
685 /* Delete ofprotos which aren't configured or have the wrong type. Create
686 * ofprotos which don't exist but need to. */
688 bridge_delete_ofprotos(void)
695 /* Delete ofprotos with no bridge or with the wrong type. */
698 ofproto_enumerate_types(&types
);
699 SSET_FOR_EACH (type
, &types
) {
702 ofproto_enumerate_names(type
, &names
);
703 SSET_FOR_EACH (name
, &names
) {
704 br
= bridge_lookup(name
);
705 if (!br
|| strcmp(type
, br
->type
)) {
706 ofproto_delete(name
, type
);
710 sset_destroy(&names
);
711 sset_destroy(&types
);
715 add_ofp_port(ofp_port_t port
, ofp_port_t
*ports
, size_t *n
, size_t *allocated
)
717 if (*n
>= *allocated
) {
718 ports
= x2nrealloc(ports
, allocated
, sizeof *ports
);
720 ports
[(*n
)++] = port
;
725 bridge_delete_or_reconfigure_ports(struct bridge
*br
)
727 struct ofproto_port ofproto_port
;
728 struct ofproto_port_dump dump
;
730 struct sset ofproto_ports
;
731 struct port
*port
, *port_next
;
733 /* List of "ofp_port"s to delete. We make a list instead of deleting them
734 * right away because ofproto implementations aren't necessarily able to
735 * iterate through a changing list of ports in an entirely robust way. */
742 sset_init(&ofproto_ports
);
744 /* Main task: Iterate over the ports in 'br->ofproto' and remove the ports
745 * that are not configured in the database. (This commonly happens when
746 * ports have been deleted, e.g. with "ovs-vsctl del-port".)
748 * Side tasks: Reconfigure the ports that are still in 'br'. Delete ports
749 * that have the wrong OpenFlow port number (and arrange to add them back
750 * with the correct OpenFlow port number). */
751 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
752 ofp_port_t requested_ofp_port
;
755 sset_add(&ofproto_ports
, ofproto_port
.name
);
757 iface
= iface_lookup(br
, ofproto_port
.name
);
759 /* No such iface is configured, so we should delete this
762 * As a corner case exception, keep the port if it's a bond fake
764 if (bridge_has_bond_fake_iface(br
, ofproto_port
.name
)
765 && !strcmp(ofproto_port
.type
, "internal")) {
771 if (strcmp(ofproto_port
.type
, iface
->type
)
772 || netdev_set_config(iface
->netdev
, &iface
->cfg
->options
, NULL
)) {
773 /* The interface is the wrong type or can't be configured.
778 /* If the requested OpenFlow port for 'iface' changed, and it's not
779 * already the correct port, then we might want to temporarily delete
780 * this interface, so we can add it back again with the new OpenFlow
782 requested_ofp_port
= iface_get_requested_ofp_port(iface
->cfg
);
783 if (iface
->ofp_port
!= OFPP_LOCAL
&&
784 requested_ofp_port
!= OFPP_NONE
&&
785 requested_ofp_port
!= iface
->ofp_port
) {
786 ofp_port_t victim_request
;
787 struct iface
*victim
;
789 /* Check for an existing OpenFlow port currently occupying
790 * 'iface''s requested port number. If there isn't one, then
791 * delete this port. Otherwise we need to consider further. */
792 victim
= iface_from_ofp_port(br
, requested_ofp_port
);
797 /* 'victim' is a port currently using 'iface''s requested port
798 * number. Unless 'victim' specifically requested that port
799 * number, too, then we can delete both 'iface' and 'victim'
800 * temporarily. (We'll add both of them back again later with new
801 * OpenFlow port numbers.)
803 * If 'victim' did request port number 'requested_ofp_port', just
804 * like 'iface', then that's a configuration inconsistency that we
805 * can't resolve. We might as well let it keep its current port
807 victim_request
= iface_get_requested_ofp_port(victim
->cfg
);
808 if (victim_request
!= requested_ofp_port
) {
809 del
= add_ofp_port(victim
->ofp_port
, del
, &n
, &allocated
);
810 iface_destroy(victim
);
819 iface_destroy(iface
);
820 del
= add_ofp_port(ofproto_port
.ofp_port
, del
, &n
, &allocated
);
822 for (i
= 0; i
< n
; i
++) {
823 ofproto_port_del(br
->ofproto
, del
[i
]);
827 /* Iterate over this module's idea of interfaces in 'br'. Remove any ports
828 * that we didn't see when we iterated through the datapath, i.e. ports
829 * that disappeared underneath use. This is an unusual situation, but it
830 * can happen in some cases:
832 * - An admin runs a command like "ovs-dpctl del-port" (which is a bad
833 * idea but could happen).
835 * - The port represented a device that disappeared, e.g. a tuntap
836 * device destroyed via "tunctl -d", a physical Ethernet device
837 * whose module was just unloaded via "rmmod", or a virtual NIC for a
838 * VM whose VM was just terminated. */
839 HMAP_FOR_EACH_SAFE (port
, port_next
, hmap_node
, &br
->ports
) {
840 struct iface
*iface
, *iface_next
;
842 LIST_FOR_EACH_SAFE (iface
, iface_next
, port_elem
, &port
->ifaces
) {
843 if (!sset_contains(&ofproto_ports
, iface
->name
)) {
844 iface_destroy__(iface
);
848 if (list_is_empty(&port
->ifaces
)) {
852 sset_destroy(&ofproto_ports
);
856 bridge_add_ports__(struct bridge
*br
, const struct shash
*wanted_ports
,
857 bool with_requested_port
)
859 struct shash_node
*port_node
;
861 SHASH_FOR_EACH (port_node
, wanted_ports
) {
862 const struct ovsrec_port
*port_cfg
= port_node
->data
;
865 for (i
= 0; i
< port_cfg
->n_interfaces
; i
++) {
866 const struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[i
];
867 ofp_port_t requested_ofp_port
;
869 requested_ofp_port
= iface_get_requested_ofp_port(iface_cfg
);
870 if ((requested_ofp_port
!= OFPP_NONE
) == with_requested_port
) {
871 struct iface
*iface
= iface_lookup(br
, iface_cfg
->name
);
874 iface_create(br
, iface_cfg
, port_cfg
);
882 bridge_add_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
884 /* First add interfaces that request a particular port number. */
885 bridge_add_ports__(br
, wanted_ports
, true);
887 /* Then add interfaces that want automatic port number assignment.
888 * We add these afterward to avoid accidentally taking a specifically
889 * requested port number. */
890 bridge_add_ports__(br
, wanted_ports
, false);
894 port_configure(struct port
*port
)
896 const struct ovsrec_port
*cfg
= port
->cfg
;
897 struct bond_settings bond_settings
;
898 struct lacp_settings lacp_settings
;
899 struct ofproto_bundle_settings s
;
902 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
903 configure_splinter_port(port
);
912 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
913 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
914 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
919 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
923 /* Get VLAN trunks. */
926 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
930 if (cfg
->vlan_mode
) {
931 if (!strcmp(cfg
->vlan_mode
, "access")) {
932 s
.vlan_mode
= PORT_VLAN_ACCESS
;
933 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
934 s
.vlan_mode
= PORT_VLAN_TRUNK
;
935 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
936 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
937 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
938 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
940 /* This "can't happen" because ovsdb-server should prevent it. */
941 VLOG_WARN("port %s: unknown VLAN mode %s, falling "
942 "back to trunk mode", port
->name
, cfg
->vlan_mode
);
943 s
.vlan_mode
= PORT_VLAN_TRUNK
;
947 s
.vlan_mode
= PORT_VLAN_ACCESS
;
949 VLOG_WARN("port %s: ignoring trunks in favor of implicit vlan",
953 s
.vlan_mode
= PORT_VLAN_TRUNK
;
956 s
.use_priority_tags
= smap_get_bool(&cfg
->other_config
, "priority-tags",
959 /* Get LACP settings. */
960 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
964 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
965 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
966 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
969 s
.lacp_slaves
= NULL
;
972 /* Get bond settings. */
973 if (s
.n_slaves
> 1) {
974 s
.bond
= &bond_settings
;
975 port_configure_bond(port
, &bond_settings
);
978 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
979 netdev_set_miimon_interval(iface
->netdev
, 0);
984 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
992 /* Pick local port hardware address and datapath ID for 'br'. */
994 bridge_configure_datapath_id(struct bridge
*br
)
996 uint8_t ea
[ETH_ADDR_LEN
];
998 struct iface
*local_iface
;
999 struct iface
*hw_addr_iface
;
1002 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
1003 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
1005 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
1007 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1008 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
1009 "Ethernet address: %s",
1010 br
->name
, ovs_strerror(error
));
1013 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
1015 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
1016 if (dpid
!= ofproto_get_datapath_id(br
->ofproto
)) {
1017 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64
, br
->name
, dpid
);
1018 ofproto_set_datapath_id(br
->ofproto
, dpid
);
1021 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
1022 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
1026 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
1029 bridge_get_allowed_versions(struct bridge
*br
)
1031 if (!br
->cfg
->n_protocols
)
1034 return ofputil_versions_from_strings(br
->cfg
->protocols
,
1035 br
->cfg
->n_protocols
);
1038 /* Set NetFlow configuration on 'br'. */
1040 bridge_configure_netflow(struct bridge
*br
)
1042 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
1043 struct netflow_options opts
;
1046 ofproto_set_netflow(br
->ofproto
, NULL
);
1050 memset(&opts
, 0, sizeof opts
);
1052 /* Get default NetFlow configuration from datapath.
1053 * Apply overrides from 'cfg'. */
1054 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
1055 if (cfg
->engine_type
) {
1056 opts
.engine_type
= *cfg
->engine_type
;
1058 if (cfg
->engine_id
) {
1059 opts
.engine_id
= *cfg
->engine_id
;
1062 /* Configure active timeout interval. */
1063 opts
.active_timeout
= cfg
->active_timeout
;
1064 if (!opts
.active_timeout
) {
1065 opts
.active_timeout
= -1;
1066 } else if (opts
.active_timeout
< 0) {
1067 VLOG_WARN("bridge %s: active timeout interval set to negative "
1068 "value, using default instead (%d seconds)", br
->name
,
1069 NF_ACTIVE_TIMEOUT_DEFAULT
);
1070 opts
.active_timeout
= -1;
1073 /* Add engine ID to interface number to disambiguate bridgs? */
1074 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
1075 if (opts
.add_id_to_iface
) {
1076 if (opts
.engine_id
> 0x7f) {
1077 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
1078 "another vswitch, choose an engine id less than 128",
1081 if (hmap_count(&br
->ports
) > 508) {
1082 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
1083 "another port when more than 508 ports are used",
1089 sset_init(&opts
.collectors
);
1090 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
1093 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
1094 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
1096 sset_destroy(&opts
.collectors
);
1099 /* Set sFlow configuration on 'br'. */
1101 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
1103 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
1104 struct ovsrec_controller
**controllers
;
1105 struct ofproto_sflow_options oso
;
1106 size_t n_controllers
;
1110 ofproto_set_sflow(br
->ofproto
, NULL
);
1114 memset(&oso
, 0, sizeof oso
);
1116 sset_init(&oso
.targets
);
1117 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
1119 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1120 if (cfg
->sampling
) {
1121 oso
.sampling_rate
= *cfg
->sampling
;
1124 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
1126 oso
.polling_interval
= *cfg
->polling
;
1129 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
1131 oso
.header_len
= *cfg
->header
;
1134 oso
.sub_id
= (*sflow_bridge_number
)++;
1135 oso
.agent_device
= cfg
->agent
;
1137 oso
.control_ip
= NULL
;
1138 n_controllers
= bridge_get_controllers(br
, &controllers
);
1139 for (i
= 0; i
< n_controllers
; i
++) {
1140 if (controllers
[i
]->local_ip
) {
1141 oso
.control_ip
= controllers
[i
]->local_ip
;
1145 ofproto_set_sflow(br
->ofproto
, &oso
);
1147 sset_destroy(&oso
.targets
);
1150 /* Returns whether a IPFIX row is valid. */
1152 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix
*ipfix
)
1154 return ipfix
&& ipfix
->n_targets
> 0;
1157 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
1159 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set
*fscs
,
1160 const struct bridge
*br
)
1162 return ovsrec_ipfix_is_valid(fscs
->ipfix
) && fscs
->bridge
== br
->cfg
;
1165 /* Set IPFIX configuration on 'br'. */
1167 bridge_configure_ipfix(struct bridge
*br
)
1169 const struct ovsrec_ipfix
*be_cfg
= br
->cfg
->ipfix
;
1170 bool valid_be_cfg
= ovsrec_ipfix_is_valid(be_cfg
);
1171 const struct ovsrec_flow_sample_collector_set
*fe_cfg
;
1172 struct ofproto_ipfix_bridge_exporter_options be_opts
;
1173 struct ofproto_ipfix_flow_exporter_options
*fe_opts
= NULL
;
1174 size_t n_fe_opts
= 0;
1176 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1177 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1182 if (!valid_be_cfg
&& n_fe_opts
== 0) {
1183 ofproto_set_ipfix(br
->ofproto
, NULL
, NULL
, 0);
1188 memset(&be_opts
, 0, sizeof be_opts
);
1190 sset_init(&be_opts
.targets
);
1191 sset_add_array(&be_opts
.targets
, be_cfg
->targets
, be_cfg
->n_targets
);
1193 if (be_cfg
->sampling
) {
1194 be_opts
.sampling_rate
= *be_cfg
->sampling
;
1196 be_opts
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1198 if (be_cfg
->obs_domain_id
) {
1199 be_opts
.obs_domain_id
= *be_cfg
->obs_domain_id
;
1201 if (be_cfg
->obs_point_id
) {
1202 be_opts
.obs_point_id
= *be_cfg
->obs_point_id
;
1204 if (be_cfg
->cache_active_timeout
) {
1205 be_opts
.cache_active_timeout
= *be_cfg
->cache_active_timeout
;
1207 if (be_cfg
->cache_max_flows
) {
1208 be_opts
.cache_max_flows
= *be_cfg
->cache_max_flows
;
1211 be_opts
.enable_tunnel_sampling
= smap_get_bool(&be_cfg
->other_config
,
1212 "enable-tunnel-sampling", true);
1214 be_opts
.enable_input_sampling
= !smap_get_bool(&be_cfg
->other_config
,
1215 "enable-input-sampling", false);
1217 be_opts
.enable_output_sampling
= !smap_get_bool(&be_cfg
->other_config
,
1218 "enable-output-sampling", false);
1221 if (n_fe_opts
> 0) {
1222 struct ofproto_ipfix_flow_exporter_options
*opts
;
1223 fe_opts
= xcalloc(n_fe_opts
, sizeof *fe_opts
);
1225 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1226 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1227 opts
->collector_set_id
= fe_cfg
->id
;
1228 sset_init(&opts
->targets
);
1229 sset_add_array(&opts
->targets
, fe_cfg
->ipfix
->targets
,
1230 fe_cfg
->ipfix
->n_targets
);
1231 opts
->cache_active_timeout
= fe_cfg
->ipfix
->cache_active_timeout
1232 ? *fe_cfg
->ipfix
->cache_active_timeout
: 0;
1233 opts
->cache_max_flows
= fe_cfg
->ipfix
->cache_max_flows
1234 ? *fe_cfg
->ipfix
->cache_max_flows
: 0;
1240 ofproto_set_ipfix(br
->ofproto
, valid_be_cfg
? &be_opts
: NULL
, fe_opts
,
1244 sset_destroy(&be_opts
.targets
);
1247 if (n_fe_opts
> 0) {
1248 struct ofproto_ipfix_flow_exporter_options
*opts
= fe_opts
;
1250 for (i
= 0; i
< n_fe_opts
; i
++) {
1251 sset_destroy(&opts
->targets
);
1259 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
1260 struct ofproto_port_stp_settings
*port_s
,
1261 int *port_num_counter
, unsigned long *port_num_bitmap
)
1263 const char *config_str
;
1264 struct iface
*iface
;
1266 if (!smap_get_bool(&port
->cfg
->other_config
, "stp-enable", true)) {
1267 port_s
->enable
= false;
1270 port_s
->enable
= true;
1273 /* STP over bonds is not supported. */
1274 if (!list_is_singleton(&port
->ifaces
)) {
1275 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1277 port_s
->enable
= false;
1281 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1283 /* Internal ports shouldn't participate in spanning tree, so
1285 if (!strcmp(iface
->type
, "internal")) {
1286 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
1287 port_s
->enable
= false;
1291 /* STP on mirror output ports is not supported. */
1292 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1293 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
1294 port_s
->enable
= false;
1298 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-num");
1300 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1301 int port_idx
= port_num
- 1;
1303 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
1304 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
1305 port_s
->enable
= false;
1309 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
1310 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1311 port
->name
, port_num
);
1312 port_s
->enable
= false;
1315 bitmap_set1(port_num_bitmap
, port_idx
);
1316 port_s
->port_num
= port_idx
;
1318 if (*port_num_counter
>= STP_MAX_PORTS
) {
1319 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
1320 port_s
->enable
= false;
1324 port_s
->port_num
= (*port_num_counter
)++;
1327 config_str
= smap_get(&port
->cfg
->other_config
, "stp-path-cost");
1329 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1331 enum netdev_features current
;
1334 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1335 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1336 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
1339 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-priority");
1341 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1343 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
1348 port_configure_rstp(const struct ofproto
*ofproto
, struct port
*port
,
1349 struct ofproto_port_rstp_settings
*port_s
, int *port_num_counter
)
1351 const char *config_str
;
1352 struct iface
*iface
;
1354 if (!smap_get_bool(&port
->cfg
->other_config
, "rstp-enable", true)) {
1355 port_s
->enable
= false;
1358 port_s
->enable
= true;
1361 /* RSTP over bonds is not supported. */
1362 if (!list_is_singleton(&port
->ifaces
)) {
1363 VLOG_ERR("port %s: cannot enable RSTP on bonds, disabling",
1365 port_s
->enable
= false;
1369 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1371 /* Internal ports shouldn't participate in spanning tree, so
1373 if (!strcmp(iface
->type
, "internal")) {
1374 VLOG_DBG("port %s: disable RSTP on internal ports", port
->name
);
1375 port_s
->enable
= false;
1379 /* RSTP on mirror output ports is not supported. */
1380 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1381 VLOG_DBG("port %s: disable RSTP on mirror ports", port
->name
);
1382 port_s
->enable
= false;
1386 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-port-num");
1388 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1389 if (port_num
< 1 || port_num
> RSTP_MAX_PORTS
) {
1390 VLOG_ERR("port %s: invalid rstp-port-num", port
->name
);
1391 port_s
->enable
= false;
1394 port_s
->port_num
= port_num
;
1396 if (*port_num_counter
>= RSTP_MAX_PORTS
) {
1397 VLOG_ERR("port %s: too many RSTP ports, disabling", port
->name
);
1398 port_s
->enable
= false;
1401 /* If rstp-port-num is not specified, use 0.
1402 * rstp_port_set_port_number() will look for the first free one. */
1403 port_s
->port_num
= 0;
1406 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-path-cost");
1408 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1410 enum netdev_features current
;
1413 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1414 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1415 port_s
->path_cost
= rstp_convert_speed_to_cost(mbps
);
1418 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-port-priority");
1420 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1422 port_s
->priority
= RSTP_DEFAULT_PORT_PRIORITY
;
1425 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-admin-p2p-mac");
1427 port_s
->admin_p2p_mac_state
= strtoul(config_str
, NULL
, 0);
1429 port_s
->admin_p2p_mac_state
= RSTP_ADMIN_P2P_MAC_FORCE_TRUE
;
1432 port_s
->admin_port_state
= smap_get_bool(&port
->cfg
->other_config
,
1433 "rstp-admin-port-state", true);
1435 port_s
->admin_edge_port
= smap_get_bool(&port
->cfg
->other_config
,
1436 "rstp-port-admin-edge", false);
1437 port_s
->auto_edge
= smap_get_bool(&port
->cfg
->other_config
,
1438 "rstp-port-auto-edge", true);
1439 port_s
->mcheck
= smap_get_bool(&port
->cfg
->other_config
,
1440 "rstp-port-mcheck", false);
1443 /* Set spanning tree configuration on 'br'. */
1445 bridge_configure_stp(struct bridge
*br
, bool enable_stp
)
1448 ofproto_set_stp(br
->ofproto
, NULL
);
1450 struct ofproto_stp_settings br_s
;
1451 const char *config_str
;
1453 int port_num_counter
;
1454 unsigned long *port_num_bitmap
;
1456 config_str
= smap_get(&br
->cfg
->other_config
, "stp-system-id");
1458 uint8_t ea
[ETH_ADDR_LEN
];
1460 if (eth_addr_from_string(config_str
, ea
)) {
1461 br_s
.system_id
= eth_addr_to_uint64(ea
);
1463 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1464 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1465 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1468 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1471 config_str
= smap_get(&br
->cfg
->other_config
, "stp-priority");
1473 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1475 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
1478 config_str
= smap_get(&br
->cfg
->other_config
, "stp-hello-time");
1480 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
1482 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
1485 config_str
= smap_get(&br
->cfg
->other_config
, "stp-max-age");
1487 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
1489 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
1492 config_str
= smap_get(&br
->cfg
->other_config
, "stp-forward-delay");
1494 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
1496 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
1499 /* Configure STP on the bridge. */
1500 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
1501 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
1505 /* Users must either set the port number with the "stp-port-num"
1506 * configuration on all ports or none. If manual configuration
1507 * is not done, then we allocate them sequentially. */
1508 port_num_counter
= 0;
1509 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
1510 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1511 struct ofproto_port_stp_settings port_s
;
1512 struct iface
*iface
;
1514 port_configure_stp(br
->ofproto
, port
, &port_s
,
1515 &port_num_counter
, port_num_bitmap
);
1517 /* As bonds are not supported, just apply configuration to
1518 * all interfaces. */
1519 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1520 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
1522 VLOG_ERR("port %s: could not enable STP", port
->name
);
1528 if (bitmap_scan(port_num_bitmap
, 1, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
1529 && port_num_counter
) {
1530 VLOG_ERR("bridge %s: must manually configure all STP port "
1531 "IDs or none, disabling", br
->name
);
1532 ofproto_set_stp(br
->ofproto
, NULL
);
1534 bitmap_free(port_num_bitmap
);
1539 bridge_configure_rstp(struct bridge
*br
, bool enable_rstp
)
1542 ofproto_set_rstp(br
->ofproto
, NULL
);
1544 struct ofproto_rstp_settings br_s
;
1545 const char *config_str
;
1547 int port_num_counter
;
1549 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-address");
1551 uint8_t ea
[ETH_ADDR_LEN
];
1553 if (eth_addr_from_string(config_str
, ea
)) {
1554 br_s
.address
= eth_addr_to_uint64(ea
);
1557 br_s
.address
= eth_addr_to_uint64(br
->ea
);
1558 VLOG_ERR("bridge %s: invalid rstp-address, defaulting "
1559 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1563 br_s
.address
= eth_addr_to_uint64(br
->ea
);
1566 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-priority");
1568 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1570 br_s
.priority
= RSTP_DEFAULT_PRIORITY
;
1573 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-ageing-time");
1575 br_s
.ageing_time
= strtoul(config_str
, NULL
, 0);
1577 br_s
.ageing_time
= RSTP_DEFAULT_AGEING_TIME
;
1580 config_str
= smap_get(&br
->cfg
->other_config
,
1581 "rstp-force-protocol-version");
1583 br_s
.force_protocol_version
= strtoul(config_str
, NULL
, 0);
1585 br_s
.force_protocol_version
= FPV_DEFAULT
;
1588 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-max-age");
1590 br_s
.bridge_max_age
= strtoul(config_str
, NULL
, 10);
1592 br_s
.bridge_max_age
= RSTP_DEFAULT_BRIDGE_MAX_AGE
;
1595 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-forward-delay");
1597 br_s
.bridge_forward_delay
= strtoul(config_str
, NULL
, 10);
1599 br_s
.bridge_forward_delay
= RSTP_DEFAULT_BRIDGE_FORWARD_DELAY
;
1602 config_str
= smap_get(&br
->cfg
->other_config
,
1603 "rstp-transmit-hold-count");
1605 br_s
.transmit_hold_count
= strtoul(config_str
, NULL
, 10);
1607 br_s
.transmit_hold_count
= RSTP_DEFAULT_TRANSMIT_HOLD_COUNT
;
1610 /* Configure RSTP on the bridge. */
1611 if (ofproto_set_rstp(br
->ofproto
, &br_s
)) {
1612 VLOG_ERR("bridge %s: could not enable RSTP", br
->name
);
1616 port_num_counter
= 0;
1617 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1618 struct ofproto_port_rstp_settings port_s
;
1619 struct iface
*iface
;
1621 port_configure_rstp(br
->ofproto
, port
, &port_s
,
1624 /* As bonds are not supported, just apply configuration to
1625 * all interfaces. */
1626 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1627 if (ofproto_port_set_rstp(br
->ofproto
, iface
->ofp_port
,
1629 VLOG_ERR("port %s: could not enable RSTP", port
->name
);
1638 bridge_configure_spanning_tree(struct bridge
*br
)
1640 bool enable_rstp
= br
->cfg
->rstp_enable
;
1641 bool enable_stp
= br
->cfg
->stp_enable
;
1643 if (enable_rstp
&& enable_stp
) {
1644 VLOG_WARN("%s: RSTP and STP are mutually exclusive but both are "
1645 "configured; enabling RSTP", br
->name
);
1649 bridge_configure_stp(br
, enable_stp
);
1650 bridge_configure_rstp(br
, enable_rstp
);
1654 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
1656 const struct port
*port
= port_lookup(br
, name
);
1657 return port
&& port_is_bond_fake_iface(port
);
1661 port_is_bond_fake_iface(const struct port
*port
)
1663 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
1667 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
1669 struct bridge
*br
, *next
;
1670 struct shash new_br
;
1673 /* Collect new bridges' names and types. */
1674 shash_init(&new_br
);
1675 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1676 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1677 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1679 if (strchr(br_cfg
->name
, '/')) {
1680 /* Prevent remote ovsdb-server users from accessing arbitrary
1681 * directories, e.g. consider a bridge named "../../../etc/". */
1682 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1684 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1685 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1689 /* Get rid of deleted bridges or those whose types have changed.
1690 * Update 'cfg' of bridges that still exist. */
1691 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1692 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1693 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1694 br
->cfg
->datapath_type
))) {
1699 /* Add new bridges. */
1700 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1701 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1702 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1704 bridge_create(br_cfg
);
1708 shash_destroy(&new_br
);
1711 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1712 * Returns 0 if successful, otherwise a positive errno value. */
1714 iface_set_netdev_config(const struct ovsrec_interface
*iface_cfg
,
1715 struct netdev
*netdev
, char **errp
)
1717 return netdev_set_config(netdev
, &iface_cfg
->options
, errp
);
1720 /* Opens a network device for 'if_cfg' and configures it. Adds the network
1721 * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'.
1723 * If successful, returns 0 and stores the network device in '*netdevp'. On
1724 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1726 iface_do_create(const struct bridge
*br
,
1727 const struct ovsrec_interface
*iface_cfg
,
1728 const struct ovsrec_port
*port_cfg
,
1729 ofp_port_t
*ofp_portp
, struct netdev
**netdevp
,
1732 struct netdev
*netdev
= NULL
;
1735 if (netdev_is_reserved_name(iface_cfg
->name
)) {
1736 VLOG_WARN("could not create interface %s, name is reserved",
1742 error
= netdev_open(iface_cfg
->name
,
1743 iface_get_type(iface_cfg
, br
->cfg
), &netdev
);
1745 VLOG_WARN_BUF(errp
, "could not open network device %s (%s)",
1746 iface_cfg
->name
, ovs_strerror(error
));
1750 error
= iface_set_netdev_config(iface_cfg
, netdev
, errp
);
1755 *ofp_portp
= iface_pick_ofport(iface_cfg
);
1756 error
= ofproto_port_add(br
->ofproto
, netdev
, ofp_portp
);
1761 VLOG_INFO("bridge %s: added interface %s on port %d",
1762 br
->name
, iface_cfg
->name
, *ofp_portp
);
1764 if (port_cfg
->vlan_mode
&& !strcmp(port_cfg
->vlan_mode
, "splinter")) {
1765 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
1773 netdev_close(netdev
);
1777 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1778 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1779 * automatically allocated for the iface. Takes ownership of and
1780 * deallocates 'if_cfg'.
1782 * Return true if an iface is successfully created, false otherwise. */
1784 iface_create(struct bridge
*br
, const struct ovsrec_interface
*iface_cfg
,
1785 const struct ovsrec_port
*port_cfg
)
1787 struct netdev
*netdev
;
1788 struct iface
*iface
;
1789 ofp_port_t ofp_port
;
1794 /* Do the bits that can fail up front. */
1795 ovs_assert(!iface_lookup(br
, iface_cfg
->name
));
1796 error
= iface_do_create(br
, iface_cfg
, port_cfg
, &ofp_port
, &netdev
, &errp
);
1798 iface_clear_db_record(iface_cfg
, errp
);
1803 /* Get or create the port structure. */
1804 port
= port_lookup(br
, port_cfg
->name
);
1806 port
= port_create(br
, port_cfg
);
1809 /* Create the iface structure. */
1810 iface
= xzalloc(sizeof *iface
);
1811 list_push_back(&port
->ifaces
, &iface
->port_elem
);
1812 hmap_insert(&br
->iface_by_name
, &iface
->name_node
,
1813 hash_string(iface_cfg
->name
, 0));
1815 iface
->name
= xstrdup(iface_cfg
->name
);
1816 iface
->ofp_port
= ofp_port
;
1817 iface
->netdev
= netdev
;
1818 iface
->type
= iface_get_type(iface_cfg
, br
->cfg
);
1819 iface
->cfg
= iface_cfg
;
1820 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
,
1821 hash_ofp_port(ofp_port
));
1823 /* Populate initial status in database. */
1824 iface_refresh_stats(iface
);
1825 iface_refresh_netdev_status(iface
);
1827 /* Add bond fake iface if necessary. */
1828 if (port_is_bond_fake_iface(port
)) {
1829 struct ofproto_port ofproto_port
;
1831 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1833 struct netdev
*netdev
;
1836 error
= netdev_open(port
->name
, "internal", &netdev
);
1838 ofp_port_t fake_ofp_port
= OFPP_NONE
;
1839 ofproto_port_add(br
->ofproto
, netdev
, &fake_ofp_port
);
1840 netdev_close(netdev
);
1842 VLOG_WARN("could not open network device %s (%s)",
1843 port
->name
, ovs_strerror(error
));
1846 /* Already exists, nothing to do. */
1847 ofproto_port_destroy(&ofproto_port
);
1854 /* Set forward BPDU option. */
1856 bridge_configure_forward_bpdu(struct bridge
*br
)
1858 ofproto_set_forward_bpdu(br
->ofproto
,
1859 smap_get_bool(&br
->cfg
->other_config
,
1864 /* Set MAC learning table configuration for 'br'. */
1866 bridge_configure_mac_table(struct bridge
*br
)
1868 const char *idle_time_str
;
1871 const char *mac_table_size_str
;
1874 idle_time_str
= smap_get(&br
->cfg
->other_config
, "mac-aging-time");
1875 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1876 ? atoi(idle_time_str
)
1877 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1879 mac_table_size_str
= smap_get(&br
->cfg
->other_config
, "mac-table-size");
1880 mac_table_size
= (mac_table_size_str
&& atoi(mac_table_size_str
)
1881 ? atoi(mac_table_size_str
)
1884 ofproto_set_mac_table_config(br
->ofproto
, idle_time
, mac_table_size
);
1887 /* Set multicast snooping table configuration for 'br'. */
1889 bridge_configure_mcast_snooping(struct bridge
*br
)
1891 if (!br
->cfg
->mcast_snooping_enable
) {
1892 ofproto_set_mcast_snooping(br
->ofproto
, NULL
);
1895 struct ofproto_mcast_snooping_settings br_s
;
1896 const char *idle_time_str
;
1897 const char *max_entries_str
;
1899 idle_time_str
= smap_get(&br
->cfg
->other_config
,
1900 "mcast-snooping-aging-time");
1901 br_s
.idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1902 ? atoi(idle_time_str
)
1903 : MCAST_ENTRY_DEFAULT_IDLE_TIME
);
1905 max_entries_str
= smap_get(&br
->cfg
->other_config
,
1906 "mcast-snooping-table-size");
1907 br_s
.max_entries
= (max_entries_str
&& atoi(max_entries_str
)
1908 ? atoi(max_entries_str
)
1909 : MCAST_DEFAULT_MAX_ENTRIES
);
1911 br_s
.flood_unreg
= !smap_get_bool(&br
->cfg
->other_config
,
1912 "mcast-snooping-disable-flood-unregistered",
1915 /* Configure multicast snooping on the bridge */
1916 if (ofproto_set_mcast_snooping(br
->ofproto
, &br_s
)) {
1917 VLOG_ERR("bridge %s: could not enable multicast snooping",
1922 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1923 struct ofproto_mcast_snooping_port_settings port_s
;
1924 port_s
.flood
= smap_get_bool(&port
->cfg
->other_config
,
1925 "mcast-snooping-flood", false);
1926 port_s
.flood_reports
= smap_get_bool(&port
->cfg
->other_config
,
1927 "mcast-snooping-flood-reports", false);
1928 if (ofproto_port_set_mcast_snooping(br
->ofproto
, port
, &port_s
)) {
1929 VLOG_ERR("port %s: could not configure mcast snooping",
1937 find_local_hw_addr(const struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1938 const struct port
*fake_br
, struct iface
**hw_addr_iface
)
1940 struct hmapx mirror_output_ports
;
1942 bool found_addr
= false;
1946 /* Mirror output ports don't participate in picking the local hardware
1947 * address. ofproto can't help us find out whether a given port is a
1948 * mirror output because we haven't configured mirrors yet, so we need to
1949 * accumulate them ourselves. */
1950 hmapx_init(&mirror_output_ports
);
1951 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1952 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1953 if (m
->output_port
) {
1954 hmapx_add(&mirror_output_ports
, m
->output_port
);
1958 /* Otherwise choose the minimum non-local MAC address among all of the
1960 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1961 uint8_t iface_ea
[ETH_ADDR_LEN
];
1962 struct iface
*candidate
;
1963 struct iface
*iface
;
1965 /* Mirror output ports don't participate. */
1966 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1970 /* Choose the MAC address to represent the port. */
1972 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1973 /* Find the interface with this Ethernet address (if any) so that
1974 * we can provide the correct devname to the caller. */
1975 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1976 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1977 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1978 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1983 /* Choose the interface whose MAC address will represent the port.
1984 * The Linux kernel bonding code always chooses the MAC address of
1985 * the first slave added to a bond, and the Fedora networking
1986 * scripts always add slaves to a bond in alphabetical order, so
1987 * for compatibility we choose the interface with the name that is
1988 * first in alphabetical order. */
1989 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1990 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1995 /* The local port doesn't count (since we're trying to choose its
1996 * MAC address anyway). */
1997 if (iface
->ofp_port
== OFPP_LOCAL
) {
2001 /* For fake bridges we only choose from ports with the same tag */
2002 if (fake_br
&& fake_br
->cfg
&& fake_br
->cfg
->tag
) {
2003 if (!port
->cfg
->tag
) {
2006 if (*port
->cfg
->tag
!= *fake_br
->cfg
->tag
) {
2012 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
2018 /* Compare against our current choice. */
2019 if (!eth_addr_is_multicast(iface_ea
) &&
2020 !eth_addr_is_local(iface_ea
) &&
2021 !eth_addr_is_reserved(iface_ea
) &&
2022 !eth_addr_is_zero(iface_ea
) &&
2023 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
2025 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
2026 *hw_addr_iface
= iface
;
2032 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
2033 *hw_addr_iface
= NULL
;
2036 hmapx_destroy(&mirror_output_ports
);
2040 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
2041 struct iface
**hw_addr_iface
)
2044 *hw_addr_iface
= NULL
;
2046 /* Did the user request a particular MAC? */
2047 hwaddr
= smap_get(&br
->cfg
->other_config
, "hwaddr");
2048 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
2049 if (eth_addr_is_multicast(ea
)) {
2050 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
2051 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
2052 } else if (eth_addr_is_zero(ea
)) {
2053 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
2059 /* Find a local hw address */
2060 find_local_hw_addr(br
, ea
, NULL
, hw_addr_iface
);
2063 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
2064 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
2065 * an interface on 'br', then that interface must be passed in as
2066 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
2067 * 'hw_addr_iface' must be passed in as a null pointer. */
2069 bridge_pick_datapath_id(struct bridge
*br
,
2070 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
2071 struct iface
*hw_addr_iface
)
2074 * The procedure for choosing a bridge MAC address will, in the most
2075 * ordinary case, also choose a unique MAC that we can use as a datapath
2076 * ID. In some special cases, though, multiple bridges will end up with
2077 * the same MAC address. This is OK for the bridges, but it will confuse
2078 * the OpenFlow controller, because each datapath needs a unique datapath
2081 * Datapath IDs must be unique. It is also very desirable that they be
2082 * stable from one run to the next, so that policy set on a datapath
2085 const char *datapath_id
;
2088 datapath_id
= smap_get(&br
->cfg
->other_config
, "datapath-id");
2089 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
2093 if (!hw_addr_iface
) {
2095 * A purely internal bridge, that is, one that has no non-virtual
2096 * network devices on it at all, is difficult because it has no
2097 * natural unique identifier at all.
2099 * When the host is a XenServer, we handle this case by hashing the
2100 * host's UUID with the name of the bridge. Names of bridges are
2101 * persistent across XenServer reboots, although they can be reused if
2102 * an internal network is destroyed and then a new one is later
2103 * created, so this is fairly effective.
2105 * When the host is not a XenServer, we punt by using a random MAC
2106 * address on each run.
2108 const char *host_uuid
= xenserver_get_host_uuid();
2110 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
2111 dpid
= dpid_from_hash(combined
, strlen(combined
));
2117 return eth_addr_to_uint64(bridge_ea
);
2121 dpid_from_hash(const void *data
, size_t n
)
2123 uint8_t hash
[SHA1_DIGEST_SIZE
];
2125 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
2126 sha1_bytes(data
, n
, hash
);
2127 eth_addr_mark_random(hash
);
2128 return eth_addr_to_uint64(hash
);
2132 iface_refresh_netdev_status(struct iface
*iface
)
2136 enum netdev_features current
;
2137 enum netdev_flags flags
;
2138 const char *link_state
;
2139 uint8_t mac
[ETH_ADDR_LEN
];
2140 int64_t bps
, mtu_64
, ifindex64
, link_resets
;
2143 if (iface_is_synthetic(iface
)) {
2147 if (iface
->change_seq
== netdev_get_change_seq(iface
->netdev
)
2148 && !status_txn_try_again
) {
2152 iface
->change_seq
= netdev_get_change_seq(iface
->netdev
);
2156 if (!netdev_get_status(iface
->netdev
, &smap
)) {
2157 ovsrec_interface_set_status(iface
->cfg
, &smap
);
2159 ovsrec_interface_set_status(iface
->cfg
, NULL
);
2162 smap_destroy(&smap
);
2164 error
= netdev_get_flags(iface
->netdev
, &flags
);
2166 const char *state
= flags
& NETDEV_UP
? "up" : "down";
2168 ovsrec_interface_set_admin_state(iface
->cfg
, state
);
2170 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
2173 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
2174 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
2176 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
2177 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
2179 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
2180 bps
= !error
? netdev_features_to_bps(current
, 0) : 0;
2182 ovsrec_interface_set_duplex(iface
->cfg
,
2183 netdev_features_is_full_duplex(current
)
2185 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
2187 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
2188 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
2191 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
2194 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
2196 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
2199 error
= netdev_get_etheraddr(iface
->netdev
, mac
);
2201 char mac_string
[32];
2203 sprintf(mac_string
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
2204 ovsrec_interface_set_mac_in_use(iface
->cfg
, mac_string
);
2206 ovsrec_interface_set_mac_in_use(iface
->cfg
, NULL
);
2209 /* The netdev may return a negative number (such as -EOPNOTSUPP)
2210 * if there is no valid ifindex number. */
2211 ifindex64
= netdev_get_ifindex(iface
->netdev
);
2212 if (ifindex64
< 0) {
2215 ovsrec_interface_set_ifindex(iface
->cfg
, &ifindex64
, 1);
2219 iface_refresh_ofproto_status(struct iface
*iface
)
2223 if (iface_is_synthetic(iface
)) {
2227 current
= ofproto_port_is_lacp_current(iface
->port
->bridge
->ofproto
,
2231 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
2233 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
2236 if (ofproto_port_cfm_status_changed(iface
->port
->bridge
->ofproto
,
2238 || status_txn_try_again
) {
2239 iface_refresh_cfm_stats(iface
);
2242 if (ofproto_port_bfd_status_changed(iface
->port
->bridge
->ofproto
,
2244 || status_txn_try_again
) {
2248 ofproto_port_get_bfd_status(iface
->port
->bridge
->ofproto
,
2249 iface
->ofp_port
, &smap
);
2250 ovsrec_interface_set_bfd_status(iface
->cfg
, &smap
);
2251 smap_destroy(&smap
);
2255 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
2258 iface_refresh_cfm_stats(struct iface
*iface
)
2260 const struct ovsrec_interface
*cfg
= iface
->cfg
;
2261 struct cfm_status status
;
2264 error
= ofproto_port_get_cfm_status(iface
->port
->bridge
->ofproto
,
2265 iface
->ofp_port
, &status
);
2267 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
2268 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
2269 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
2270 ovsrec_interface_set_cfm_flap_count(cfg
, NULL
, 0);
2271 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
2272 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
2274 const char *reasons
[CFM_FAULT_N_REASONS
];
2275 int64_t cfm_health
= status
.health
;
2276 int64_t cfm_flap_count
= status
.flap_count
;
2277 bool faulted
= status
.faults
!= 0;
2280 ovsrec_interface_set_cfm_fault(cfg
, &faulted
, 1);
2283 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
2284 int reason
= 1 << i
;
2285 if (status
.faults
& reason
) {
2286 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
2289 ovsrec_interface_set_cfm_fault_status(cfg
, reasons
, j
);
2291 ovsrec_interface_set_cfm_flap_count(cfg
, &cfm_flap_count
, 1);
2293 if (status
.remote_opstate
>= 0) {
2294 const char *remote_opstate
= status
.remote_opstate
? "up" : "down";
2295 ovsrec_interface_set_cfm_remote_opstate(cfg
, remote_opstate
);
2297 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
2300 ovsrec_interface_set_cfm_remote_mpids(cfg
,
2301 (const int64_t *)status
.rmps
,
2303 if (cfm_health
>= 0) {
2304 ovsrec_interface_set_cfm_health(cfg
, &cfm_health
, 1);
2306 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
2314 iface_refresh_stats(struct iface
*iface
)
2316 #define IFACE_STATS \
2317 IFACE_STAT(rx_packets, "rx_packets") \
2318 IFACE_STAT(tx_packets, "tx_packets") \
2319 IFACE_STAT(rx_bytes, "rx_bytes") \
2320 IFACE_STAT(tx_bytes, "tx_bytes") \
2321 IFACE_STAT(rx_dropped, "rx_dropped") \
2322 IFACE_STAT(tx_dropped, "tx_dropped") \
2323 IFACE_STAT(rx_errors, "rx_errors") \
2324 IFACE_STAT(tx_errors, "tx_errors") \
2325 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
2326 IFACE_STAT(rx_over_errors, "rx_over_err") \
2327 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
2328 IFACE_STAT(collisions, "collisions")
2330 #define IFACE_STAT(MEMBER, NAME) + 1
2331 enum { N_IFACE_STATS
= IFACE_STATS
};
2333 int64_t values
[N_IFACE_STATS
];
2334 const char *keys
[N_IFACE_STATS
];
2337 struct netdev_stats stats
;
2339 if (iface_is_synthetic(iface
)) {
2343 /* Intentionally ignore return value, since errors will set 'stats' to
2344 * all-1s, and we will deal with that correctly below. */
2345 netdev_get_stats(iface
->netdev
, &stats
);
2347 /* Copy statistics into keys[] and values[]. */
2349 #define IFACE_STAT(MEMBER, NAME) \
2350 if (stats.MEMBER != UINT64_MAX) { \
2352 values[n] = stats.MEMBER; \
2357 ovs_assert(n
<= N_IFACE_STATS
);
2359 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
, n
);
2364 br_refresh_datapath_info(struct bridge
*br
)
2366 const char *version
;
2368 version
= (br
->ofproto
&& br
->ofproto
->ofproto_class
->get_datapath_version
2369 ? br
->ofproto
->ofproto_class
->get_datapath_version(br
->ofproto
)
2372 ovsrec_bridge_set_datapath_version(br
->cfg
,
2373 version
? version
: "<unknown>");
2377 br_refresh_stp_status(struct bridge
*br
)
2379 struct smap smap
= SMAP_INITIALIZER(&smap
);
2380 struct ofproto
*ofproto
= br
->ofproto
;
2381 struct ofproto_stp_status status
;
2383 if (ofproto_get_stp_status(ofproto
, &status
)) {
2387 if (!status
.enabled
) {
2388 ovsrec_bridge_set_status(br
->cfg
, NULL
);
2392 smap_add_format(&smap
, "stp_bridge_id", STP_ID_FMT
,
2393 STP_ID_ARGS(status
.bridge_id
));
2394 smap_add_format(&smap
, "stp_designated_root", STP_ID_FMT
,
2395 STP_ID_ARGS(status
.designated_root
));
2396 smap_add_format(&smap
, "stp_root_path_cost", "%d", status
.root_path_cost
);
2398 ovsrec_bridge_set_status(br
->cfg
, &smap
);
2399 smap_destroy(&smap
);
2403 port_refresh_stp_status(struct port
*port
)
2405 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2406 struct iface
*iface
;
2407 struct ofproto_port_stp_status status
;
2410 if (port_is_synthetic(port
)) {
2414 /* STP doesn't currently support bonds. */
2415 if (!list_is_singleton(&port
->ifaces
)) {
2416 ovsrec_port_set_status(port
->cfg
, NULL
);
2420 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2421 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
2425 if (!status
.enabled
) {
2426 ovsrec_port_set_status(port
->cfg
, NULL
);
2430 /* Set Status column. */
2432 smap_add_format(&smap
, "stp_port_id", STP_PORT_ID_FMT
, status
.port_id
);
2433 smap_add(&smap
, "stp_state", stp_state_name(status
.state
));
2434 smap_add_format(&smap
, "stp_sec_in_state", "%u", status
.sec_in_state
);
2435 smap_add(&smap
, "stp_role", stp_role_name(status
.role
));
2436 ovsrec_port_set_status(port
->cfg
, &smap
);
2437 smap_destroy(&smap
);
2441 port_refresh_stp_stats(struct port
*port
)
2443 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2444 struct iface
*iface
;
2445 struct ofproto_port_stp_stats stats
;
2446 const char *keys
[3];
2447 int64_t int_values
[3];
2449 if (port_is_synthetic(port
)) {
2453 /* STP doesn't currently support bonds. */
2454 if (!list_is_singleton(&port
->ifaces
)) {
2458 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2459 if (ofproto_port_get_stp_stats(ofproto
, iface
->ofp_port
, &stats
)) {
2463 if (!stats
.enabled
) {
2464 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
2468 /* Set Statistics column. */
2469 keys
[0] = "stp_tx_count";
2470 int_values
[0] = stats
.tx_count
;
2471 keys
[1] = "stp_rx_count";
2472 int_values
[1] = stats
.rx_count
;
2473 keys
[2] = "stp_error_count";
2474 int_values
[2] = stats
.error_count
;
2476 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
2477 ARRAY_SIZE(int_values
));
2481 br_refresh_rstp_status(struct bridge
*br
)
2483 struct smap smap
= SMAP_INITIALIZER(&smap
);
2484 struct ofproto
*ofproto
= br
->ofproto
;
2485 struct ofproto_rstp_status status
;
2487 if (ofproto_get_rstp_status(ofproto
, &status
)) {
2490 if (!status
.enabled
) {
2491 ovsrec_bridge_set_rstp_status(br
->cfg
, NULL
);
2494 smap_add_format(&smap
, "rstp_bridge_id", RSTP_ID_FMT
,
2495 RSTP_ID_ARGS(status
.bridge_id
));
2496 smap_add_format(&smap
, "rstp_root_path_cost", "%"PRIu32
,
2497 status
.root_path_cost
);
2498 smap_add_format(&smap
, "rstp_root_id", RSTP_ID_FMT
,
2499 RSTP_ID_ARGS(status
.root_id
));
2500 smap_add_format(&smap
, "rstp_designated_id", RSTP_ID_FMT
,
2501 RSTP_ID_ARGS(status
.designated_id
));
2502 smap_add_format(&smap
, "rstp_designated_port_id", RSTP_PORT_ID_FMT
,
2503 status
.designated_port_id
);
2504 smap_add_format(&smap
, "rstp_bridge_port_id", RSTP_PORT_ID_FMT
,
2505 status
.bridge_port_id
);
2506 ovsrec_bridge_set_rstp_status(br
->cfg
, &smap
);
2507 smap_destroy(&smap
);
2511 port_refresh_rstp_status(struct port
*port
)
2513 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2514 struct iface
*iface
;
2515 struct ofproto_port_rstp_status status
;
2516 const char *keys
[4];
2517 int64_t int_values
[4];
2520 if (port_is_synthetic(port
)) {
2524 /* RSTP doesn't currently support bonds. */
2525 if (!list_is_singleton(&port
->ifaces
)) {
2526 ovsrec_port_set_rstp_status(port
->cfg
, NULL
);
2530 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2531 if (ofproto_port_get_rstp_status(ofproto
, iface
->ofp_port
, &status
)) {
2535 if (!status
.enabled
) {
2536 ovsrec_port_set_rstp_status(port
->cfg
, NULL
);
2537 ovsrec_port_set_rstp_statistics(port
->cfg
, NULL
, NULL
, 0);
2540 /* Set Status column. */
2543 smap_add_format(&smap
, "rstp_port_id", RSTP_PORT_ID_FMT
,
2545 smap_add_format(&smap
, "rstp_port_role", "%s",
2546 rstp_port_role_name(status
.role
));
2547 smap_add_format(&smap
, "rstp_port_state", "%s",
2548 rstp_state_name(status
.state
));
2549 smap_add_format(&smap
, "rstp_designated_bridge_id", RSTP_ID_FMT
,
2550 RSTP_ID_ARGS(status
.designated_bridge_id
));
2551 smap_add_format(&smap
, "rstp_designated_port_id", RSTP_PORT_ID_FMT
,
2552 status
.designated_port_id
);
2553 smap_add_format(&smap
, "rstp_designated_path_cost", "%"PRIu32
,
2554 status
.designated_path_cost
);
2556 ovsrec_port_set_rstp_status(port
->cfg
, &smap
);
2557 smap_destroy(&smap
);
2559 /* Set Statistics column. */
2560 keys
[0] = "rstp_tx_count";
2561 int_values
[0] = status
.tx_count
;
2562 keys
[1] = "rstp_rx_count";
2563 int_values
[1] = status
.rx_count
;
2564 keys
[2] = "rstp_uptime";
2565 int_values
[2] = status
.uptime
;
2566 keys
[3] = "rstp_error_count";
2567 int_values
[3] = status
.error_count
;
2568 ovsrec_port_set_rstp_statistics(port
->cfg
, keys
, int_values
,
2569 ARRAY_SIZE(int_values
));
2573 port_refresh_bond_status(struct port
*port
, bool force_update
)
2575 uint8_t mac
[ETH_ADDR_LEN
];
2577 /* Return if port is not a bond */
2578 if (list_is_singleton(&port
->ifaces
)) {
2582 if (bond_get_changed_active_slave(port
->name
, mac
, force_update
)) {
2586 ds_put_format(&mac_s
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
2587 ovsrec_port_set_bond_active_slave(port
->cfg
, ds_cstr(&mac_s
));
2593 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2595 return smap_get_bool(&cfg
->other_config
, "enable-statistics", false);
2599 reconfigure_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2601 bool enable
= enable_system_stats(cfg
);
2603 system_stats_enable(enable
);
2605 ovsrec_open_vswitch_set_statistics(cfg
, NULL
);
2610 run_system_stats(void)
2612 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2615 stats
= system_stats_run();
2617 struct ovsdb_idl_txn
*txn
;
2618 struct ovsdb_datum datum
;
2620 txn
= ovsdb_idl_txn_create(idl
);
2621 ovsdb_datum_from_smap(&datum
, stats
);
2622 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
2624 ovsdb_idl_txn_commit(txn
);
2625 ovsdb_idl_txn_destroy(txn
);
2632 ofp12_controller_role_to_str(enum ofp12_controller_role role
)
2635 case OFPCR12_ROLE_EQUAL
:
2637 case OFPCR12_ROLE_MASTER
:
2639 case OFPCR12_ROLE_SLAVE
:
2641 case OFPCR12_ROLE_NOCHANGE
:
2643 return "*** INVALID ROLE ***";
2648 refresh_controller_status(void)
2652 const struct ovsrec_controller
*cfg
;
2656 /* Accumulate status for controllers on all bridges. */
2657 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2658 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
2661 /* Update each controller in the database with current status. */
2662 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
2663 struct ofproto_controller_info
*cinfo
=
2664 shash_find_data(&info
, cfg
->target
);
2667 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
2668 ovsrec_controller_set_role(cfg
, ofp12_controller_role_to_str(
2670 ovsrec_controller_set_status(cfg
, &cinfo
->pairs
);
2672 ovsrec_controller_set_is_connected(cfg
, false);
2673 ovsrec_controller_set_role(cfg
, NULL
);
2674 ovsrec_controller_set_status(cfg
, NULL
);
2678 ofproto_free_ofproto_controller_info(&info
);
2681 /* Update interface and mirror statistics if necessary. */
2683 run_stats_update(void)
2685 static struct ovsdb_idl_txn
*stats_txn
;
2686 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2693 /* Statistics update interval should always be greater than or equal to
2695 stats_interval
= MAX(smap_get_int(&cfg
->other_config
,
2696 "stats-update-interval",
2698 if (stats_timer_interval
!= stats_interval
) {
2699 stats_timer_interval
= stats_interval
;
2700 stats_timer
= LLONG_MIN
;
2703 if (time_msec() >= stats_timer
) {
2704 enum ovsdb_idl_txn_status status
;
2706 /* Rate limit the update. Do not start a new update if the
2707 * previous one is not done. */
2711 stats_txn
= ovsdb_idl_txn_create(idl
);
2712 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2716 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2717 struct iface
*iface
;
2719 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2720 iface_refresh_stats(iface
);
2722 port_refresh_stp_stats(port
);
2724 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
2725 mirror_refresh_stats(m
);
2728 refresh_controller_status();
2731 status
= ovsdb_idl_txn_commit(stats_txn
);
2732 if (status
!= TXN_INCOMPLETE
) {
2733 stats_timer
= time_msec() + stats_timer_interval
;
2734 ovsdb_idl_txn_destroy(stats_txn
);
2740 /* Update bridge/port/interface status if necessary. */
2742 run_status_update(void)
2747 /* Rate limit the update. Do not start a new update if the
2748 * previous one is not done. */
2749 seq
= seq_read(connectivity_seq_get());
2750 if (seq
!= connectivity_seqno
|| status_txn_try_again
) {
2753 connectivity_seqno
= seq
;
2754 status_txn
= ovsdb_idl_txn_create(idl
);
2755 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2758 br_refresh_stp_status(br
);
2759 br_refresh_rstp_status(br
);
2760 br_refresh_datapath_info(br
);
2761 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2762 struct iface
*iface
;
2764 port_refresh_stp_status(port
);
2765 port_refresh_rstp_status(port
);
2766 port_refresh_bond_status(port
, status_txn_try_again
);
2767 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2768 iface_refresh_netdev_status(iface
);
2769 iface_refresh_ofproto_status(iface
);
2776 /* Commit the transaction and get the status. If the transaction finishes,
2777 * then destroy the transaction. Otherwise, keep it so that we can check
2778 * progress the next time that this function is called. */
2780 enum ovsdb_idl_txn_status status
;
2782 status
= ovsdb_idl_txn_commit(status_txn
);
2783 if (status
!= TXN_INCOMPLETE
) {
2784 ovsdb_idl_txn_destroy(status_txn
);
2787 /* Sets the 'status_txn_try_again' if the transaction fails. */
2788 if (status
== TXN_SUCCESS
|| status
== TXN_UNCHANGED
) {
2789 status_txn_try_again
= false;
2791 status_txn_try_again
= true;
2796 /* Refresh AA port status if necessary. */
2797 if (time_msec() >= aa_refresh_timer
) {
2800 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2801 if (bridge_aa_need_refresh(br
)) {
2802 struct ovsdb_idl_txn
*txn
;
2804 txn
= ovsdb_idl_txn_create(idl
);
2805 bridge_aa_refresh_queued(br
);
2806 ovsdb_idl_txn_commit(txn
);
2807 ovsdb_idl_txn_destroy(txn
);
2811 aa_refresh_timer
= time_msec() + AA_REFRESH_INTERVAL
;
2816 status_update_wait(void)
2818 /* This prevents the process from constantly waking up on
2819 * connectivity seq, when there is no connection to ovsdb. */
2820 if (!ovsdb_idl_has_lock(idl
)) {
2824 /* If the 'status_txn' is non-null (transaction incomplete), waits for the
2825 * transaction to complete. If the status update to database needs to be
2826 * run again (transaction fails), registers a timeout in
2827 * 'STATUS_CHECK_AGAIN_MSEC'. Otherwise, waits on the global connectivity
2828 * sequence number. */
2830 ovsdb_idl_txn_wait(status_txn
);
2831 } else if (status_txn_try_again
) {
2832 poll_timer_wait_until(time_msec() + STATUS_CHECK_AGAIN_MSEC
);
2834 seq_wait(connectivity_seq_get(), connectivity_seqno
);
2845 /* Let each datapath type do the work that it needs to do. */
2847 ofproto_enumerate_types(&types
);
2848 SSET_FOR_EACH (type
, &types
) {
2849 ofproto_type_run(type
);
2851 sset_destroy(&types
);
2853 /* Let each bridge do the work that it needs to do. */
2854 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2855 ofproto_run(br
->ofproto
);
2862 static struct ovsrec_open_vswitch null_cfg
;
2863 const struct ovsrec_open_vswitch
*cfg
;
2865 bool vlan_splinters_changed
;
2867 ovsrec_open_vswitch_init(&null_cfg
);
2871 if (ovsdb_idl_is_lock_contended(idl
)) {
2872 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2873 struct bridge
*br
, *next_br
;
2875 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
2876 "disabling this process (pid %ld) until it goes away",
2877 (long int) getpid());
2879 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
2882 /* Since we will not be running system_stats_run() in this process
2883 * with the current situation of multiple ovs-vswitchd daemons,
2884 * disable system stats collection. */
2885 system_stats_enable(false);
2887 } else if (!ovsdb_idl_has_lock(idl
)) {
2890 cfg
= ovsrec_open_vswitch_first(idl
);
2892 /* Initialize the ofproto library. This only needs to run once, but
2893 * it must be done after the configuration is set. If the
2894 * initialization has already occurred, bridge_init_ofproto()
2895 * returns immediately. */
2896 bridge_init_ofproto(cfg
);
2898 /* Once the value of flow-restore-wait is false, we no longer should
2899 * check its value from the database. */
2900 if (cfg
&& ofproto_get_flow_restore_wait()) {
2901 ofproto_set_flow_restore_wait(smap_get_bool(&cfg
->other_config
,
2902 "flow-restore-wait", false));
2907 /* Re-configure SSL. We do this on every trip through the main loop,
2908 * instead of just when the database changes, because the contents of the
2909 * key and certificate files can change without the database changing.
2911 * We do this before bridge_reconfigure() because that function might
2912 * initiate SSL connections and thus requires SSL to be configured. */
2913 if (cfg
&& cfg
->ssl
) {
2914 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
2916 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
2917 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
2920 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2921 * usage has changed. */
2922 vlan_splinters_changed
= false;
2923 if (vlan_splinters_enabled_anywhere
) {
2926 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2927 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
2928 vlan_splinters_changed
= true;
2934 if (ovsdb_idl_get_seqno(idl
) != idl_seqno
|| vlan_splinters_changed
) {
2935 struct ovsdb_idl_txn
*txn
;
2937 idl_seqno
= ovsdb_idl_get_seqno(idl
);
2938 txn
= ovsdb_idl_txn_create(idl
);
2939 bridge_reconfigure(cfg
? cfg
: &null_cfg
);
2942 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
2945 /* If we are completing our initial configuration for this run
2946 * of ovs-vswitchd, then keep the transaction around to monitor
2947 * it for completion. */
2948 if (initial_config_done
) {
2949 /* Always sets the 'status_txn_try_again' to check again,
2950 * in case that this transaction fails. */
2951 status_txn_try_again
= true;
2952 ovsdb_idl_txn_commit(txn
);
2953 ovsdb_idl_txn_destroy(txn
);
2955 initial_config_done
= true;
2956 daemonize_txn
= txn
;
2960 if (daemonize_txn
) {
2961 enum ovsdb_idl_txn_status status
= ovsdb_idl_txn_commit(daemonize_txn
);
2962 if (status
!= TXN_INCOMPLETE
) {
2963 ovsdb_idl_txn_destroy(daemonize_txn
);
2964 daemonize_txn
= NULL
;
2966 /* ovs-vswitchd has completed initialization, so allow the
2967 * process that forked us to exit successfully. */
2968 daemonize_complete();
2970 vlog_enable_async();
2972 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name
, VERSION
);
2977 run_status_update();
2987 ovsdb_idl_wait(idl
);
2988 if (daemonize_txn
) {
2989 ovsdb_idl_txn_wait(daemonize_txn
);
2993 ofproto_enumerate_types(&types
);
2994 SSET_FOR_EACH (type
, &types
) {
2995 ofproto_type_wait(type
);
2997 sset_destroy(&types
);
2999 if (!hmap_is_empty(&all_bridges
)) {
3002 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3003 ofproto_wait(br
->ofproto
);
3006 poll_timer_wait_until(stats_timer
);
3009 status_update_wait();
3010 system_stats_wait();
3013 /* Adds some memory usage statistics for bridges into 'usage', for use with
3014 * memory_report(). */
3016 bridge_get_memory_usage(struct simap
*usage
)
3023 ofproto_enumerate_types(&types
);
3024 SSET_FOR_EACH (type
, &types
) {
3025 ofproto_type_get_memory_usage(type
, usage
);
3027 sset_destroy(&types
);
3029 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3030 ofproto_get_memory_usage(br
->ofproto
, usage
);
3034 /* QoS unixctl user interface functions. */
3036 struct qos_unixctl_show_cbdata
{
3038 struct iface
*iface
;
3042 qos_unixctl_show_queue(unsigned int queue_id
,
3043 const struct smap
*details
,
3044 struct iface
*iface
,
3047 struct netdev_queue_stats stats
;
3048 struct smap_node
*node
;
3051 ds_put_cstr(ds
, "\n");
3053 ds_put_format(ds
, "Queue %u:\n", queue_id
);
3055 ds_put_cstr(ds
, "Default:\n");
3058 SMAP_FOR_EACH (node
, details
) {
3059 ds_put_format(ds
, "\t%s: %s\n", node
->key
, node
->value
);
3062 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
3064 if (stats
.tx_packets
!= UINT64_MAX
) {
3065 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
3068 if (stats
.tx_bytes
!= UINT64_MAX
) {
3069 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
3072 if (stats
.tx_errors
!= UINT64_MAX
) {
3073 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
3076 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
3077 queue_id
, ovs_strerror(error
));
3082 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3083 const char *argv
[], void *aux OVS_UNUSED
)
3085 struct ds ds
= DS_EMPTY_INITIALIZER
;
3086 struct smap smap
= SMAP_INITIALIZER(&smap
);
3087 struct iface
*iface
;
3089 struct smap_node
*node
;
3091 iface
= iface_find(argv
[1]);
3093 unixctl_command_reply_error(conn
, "no such interface");
3097 netdev_get_qos(iface
->netdev
, &type
, &smap
);
3099 if (*type
!= '\0') {
3100 struct netdev_queue_dump dump
;
3101 struct smap details
;
3102 unsigned int queue_id
;
3104 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
3106 SMAP_FOR_EACH (node
, &smap
) {
3107 ds_put_format(&ds
, "%s: %s\n", node
->key
, node
->value
);
3110 smap_init(&details
);
3111 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
3112 qos_unixctl_show_queue(queue_id
, &details
, iface
, &ds
);
3114 smap_destroy(&details
);
3116 unixctl_command_reply(conn
, ds_cstr(&ds
));
3118 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
3119 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
3122 smap_destroy(&smap
);
3126 /* Bridge reconfiguration functions. */
3128 bridge_create(const struct ovsrec_bridge
*br_cfg
)
3132 ovs_assert(!bridge_lookup(br_cfg
->name
));
3133 br
= xzalloc(sizeof *br
);
3135 br
->name
= xstrdup(br_cfg
->name
);
3136 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
3139 /* Derive the default Ethernet address from the bridge's UUID. This should
3140 * be unique and it will be stable between ovs-vswitchd runs. */
3141 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
3142 eth_addr_mark_random(br
->default_ea
);
3144 hmap_init(&br
->ports
);
3145 hmap_init(&br
->ifaces
);
3146 hmap_init(&br
->iface_by_name
);
3147 hmap_init(&br
->mirrors
);
3149 hmap_init(&br
->mappings
);
3150 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
3154 bridge_destroy(struct bridge
*br
)
3157 struct mirror
*mirror
, *next_mirror
;
3158 struct port
*port
, *next_port
;
3160 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
3163 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
3164 mirror_destroy(mirror
);
3167 hmap_remove(&all_bridges
, &br
->node
);
3168 ofproto_destroy(br
->ofproto
);
3169 hmap_destroy(&br
->ifaces
);
3170 hmap_destroy(&br
->ports
);
3171 hmap_destroy(&br
->iface_by_name
);
3172 hmap_destroy(&br
->mirrors
);
3173 hmap_destroy(&br
->mappings
);
3180 static struct bridge
*
3181 bridge_lookup(const char *name
)
3185 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
3186 if (!strcmp(br
->name
, name
)) {
3193 /* Handle requests for a listing of all flows known by the OpenFlow
3194 * stack, including those normally hidden. */
3196 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3197 const char *argv
[], void *aux OVS_UNUSED
)
3202 br
= bridge_lookup(argv
[1]);
3204 unixctl_command_reply_error(conn
, "Unknown bridge");
3209 ofproto_get_all_flows(br
->ofproto
, &results
);
3211 unixctl_command_reply(conn
, ds_cstr(&results
));
3212 ds_destroy(&results
);
3215 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
3216 * connections and reconnect. If BRIDGE is not specified, then all bridges
3217 * drop their controller connections and reconnect. */
3219 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
3220 const char *argv
[], void *aux OVS_UNUSED
)
3224 br
= bridge_lookup(argv
[1]);
3226 unixctl_command_reply_error(conn
, "Unknown bridge");
3229 ofproto_reconnect_controllers(br
->ofproto
);
3231 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3232 ofproto_reconnect_controllers(br
->ofproto
);
3235 unixctl_command_reply(conn
, NULL
);
3239 bridge_get_controllers(const struct bridge
*br
,
3240 struct ovsrec_controller
***controllersp
)
3242 struct ovsrec_controller
**controllers
;
3243 size_t n_controllers
;
3245 controllers
= br
->cfg
->controller
;
3246 n_controllers
= br
->cfg
->n_controller
;
3248 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
3254 *controllersp
= controllers
;
3256 return n_controllers
;
3260 bridge_collect_wanted_ports(struct bridge
*br
,
3261 const unsigned long int *splinter_vlans
,
3262 struct shash
*wanted_ports
)
3266 shash_init(wanted_ports
);
3268 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
3269 const char *name
= br
->cfg
->ports
[i
]->name
;
3270 if (!shash_add_once(wanted_ports
, name
, br
->cfg
->ports
[i
])) {
3271 VLOG_WARN("bridge %s: %s specified twice as bridge port",
3275 if (bridge_get_controllers(br
, NULL
)
3276 && !shash_find(wanted_ports
, br
->name
)) {
3277 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
3278 br
->name
, br
->name
);
3280 ovsrec_interface_init(&br
->synth_local_iface
);
3281 ovsrec_port_init(&br
->synth_local_port
);
3283 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
3284 br
->synth_local_port
.n_interfaces
= 1;
3285 br
->synth_local_port
.name
= br
->name
;
3287 br
->synth_local_iface
.name
= br
->name
;
3288 br
->synth_local_iface
.type
= "internal";
3290 br
->synth_local_ifacep
= &br
->synth_local_iface
;
3292 shash_add(wanted_ports
, br
->name
, &br
->synth_local_port
);
3295 if (splinter_vlans
) {
3296 add_vlan_splinter_ports(br
, splinter_vlans
, wanted_ports
);
3300 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
3301 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
3302 * 'br' needs to complete its configuration. */
3304 bridge_del_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
3306 struct shash_node
*port_node
;
3307 struct port
*port
, *next
;
3309 /* Get rid of deleted ports.
3310 * Get rid of deleted interfaces on ports that still exist. */
3311 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
3312 port
->cfg
= shash_find_data(wanted_ports
, port
->name
);
3316 port_del_ifaces(port
);
3320 /* Update iface->cfg and iface->type in interfaces that still exist. */
3321 SHASH_FOR_EACH (port_node
, wanted_ports
) {
3322 const struct ovsrec_port
*port
= port_node
->data
;
3325 for (i
= 0; i
< port
->n_interfaces
; i
++) {
3326 const struct ovsrec_interface
*cfg
= port
->interfaces
[i
];
3327 struct iface
*iface
= iface_lookup(br
, cfg
->name
);
3328 const char *type
= iface_get_type(cfg
, br
->cfg
);
3333 } else if (!strcmp(type
, "null")) {
3334 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
3335 " may be removed in February 2013. Please email"
3336 " dev@openvswitch.org with concerns.",
3339 /* We will add new interfaces later. */
3345 /* Initializes 'oc' appropriately as a management service controller for
3348 * The caller must free oc->target when it is no longer needed. */
3350 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
3351 struct ofproto_controller
*oc
)
3353 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
3354 oc
->max_backoff
= 0;
3355 oc
->probe_interval
= 60;
3356 oc
->band
= OFPROTO_OUT_OF_BAND
;
3358 oc
->burst_limit
= 0;
3359 oc
->enable_async_msgs
= true;
3363 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
3365 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
3366 struct ofproto_controller
*oc
)
3370 oc
->target
= c
->target
;
3371 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
3372 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
3373 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
3374 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
3375 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
3376 oc
->burst_limit
= (c
->controller_burst_limit
3377 ? *c
->controller_burst_limit
: 0);
3378 oc
->enable_async_msgs
= (!c
->enable_async_messages
3379 || *c
->enable_async_messages
);
3380 dscp
= smap_get_int(&c
->other_config
, "dscp", DSCP_DEFAULT
);
3381 if (dscp
< 0 || dscp
> 63) {
3382 dscp
= DSCP_DEFAULT
;
3387 /* Configures the IP stack for 'br''s local interface properly according to the
3388 * configuration in 'c'. */
3390 bridge_configure_local_iface_netdev(struct bridge
*br
,
3391 struct ovsrec_controller
*c
)
3393 struct netdev
*netdev
;
3394 struct in_addr mask
, gateway
;
3396 struct iface
*local_iface
;
3399 /* If there's no local interface or no IP address, give up. */
3400 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
3401 if (!local_iface
|| !c
->local_ip
3402 || !inet_pton(AF_INET
, c
->local_ip
, &ip
)) {
3406 /* Bring up the local interface. */
3407 netdev
= local_iface
->netdev
;
3408 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
3410 /* Configure the IP address and netmask. */
3411 if (!c
->local_netmask
3412 || !inet_pton(AF_INET
, c
->local_netmask
, &mask
)
3414 mask
.s_addr
= guess_netmask(ip
.s_addr
);
3416 if (!netdev_set_in4(netdev
, ip
, mask
)) {
3417 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
3418 br
->name
, IP_ARGS(ip
.s_addr
), IP_ARGS(mask
.s_addr
));
3421 /* Configure the default gateway. */
3422 if (c
->local_gateway
3423 && inet_pton(AF_INET
, c
->local_gateway
, &gateway
)
3424 && gateway
.s_addr
) {
3425 if (!netdev_add_router(netdev
, gateway
)) {
3426 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
3427 br
->name
, IP_ARGS(gateway
.s_addr
));
3432 /* Returns true if 'a' and 'b' are the same except that any number of slashes
3433 * in either string are treated as equal to any number of slashes in the other,
3434 * e.g. "x///y" is equal to "x/y".
3436 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
3437 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
3438 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
3439 * 'b' against a prefix of 'a'.
3442 equal_pathnames(const char *a
, const char *b
, size_t b_stoplen
)
3444 const char *b_start
= b
;
3446 if (b
- b_start
>= b_stoplen
) {
3448 } else if (*a
!= *b
) {
3450 } else if (*a
== '/') {
3451 a
+= strspn(a
, "/");
3452 b
+= strspn(b
, "/");
3453 } else if (*a
== '\0') {
3463 bridge_configure_remotes(struct bridge
*br
,
3464 const struct sockaddr_in
*managers
, size_t n_managers
)
3466 bool disable_in_band
;
3468 struct ovsrec_controller
**controllers
;
3469 size_t n_controllers
;
3471 enum ofproto_fail_mode fail_mode
;
3473 struct ofproto_controller
*ocs
;
3477 /* Check if we should disable in-band control on this bridge. */
3478 disable_in_band
= smap_get_bool(&br
->cfg
->other_config
, "disable-in-band",
3481 /* Set OpenFlow queue ID for in-band control. */
3482 ofproto_set_in_band_queue(br
->ofproto
,
3483 smap_get_int(&br
->cfg
->other_config
,
3484 "in-band-queue", -1));
3486 if (disable_in_band
) {
3487 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
3489 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
3492 n_controllers
= bridge_get_controllers(br
, &controllers
);
3494 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
3497 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
3498 for (i
= 0; i
< n_controllers
; i
++) {
3499 struct ovsrec_controller
*c
= controllers
[i
];
3501 if (!strncmp(c
->target
, "punix:", 6)
3502 || !strncmp(c
->target
, "unix:", 5)) {
3503 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3506 if (!strncmp(c
->target
, "unix:", 5)) {
3507 /* Connect to a listening socket */
3508 whitelist
= xasprintf("unix:%s/", ovs_rundir());
3509 if (strchr(c
->target
, '/') &&
3510 !equal_pathnames(c
->target
, whitelist
,
3511 strlen(whitelist
))) {
3512 /* Absolute path specified, but not in ovs_rundir */
3513 VLOG_ERR_RL(&rl
, "bridge %s: Not connecting to socket "
3514 "controller \"%s\" due to possibility for "
3515 "remote exploit. Instead, specify socket "
3516 "in whitelisted \"%s\" or connect to "
3517 "\"unix:%s/%s.mgmt\" (which is always "
3518 "available without special configuration).",
3519 br
->name
, c
->target
, whitelist
,
3520 ovs_rundir(), br
->name
);
3525 whitelist
= xasprintf("punix:%s/%s.controller",
3526 ovs_rundir(), br
->name
);
3527 if (!equal_pathnames(c
->target
, whitelist
, SIZE_MAX
)) {
3528 /* Prevent remote ovsdb-server users from accessing
3529 * arbitrary Unix domain sockets and overwriting arbitrary
3531 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
3532 "controller \"%s\" due to possibility of "
3533 "overwriting local files. Instead, specify "
3534 "whitelisted \"%s\" or connect to "
3535 "\"unix:%s/%s.mgmt\" (which is always "
3536 "available without special configuration).",
3537 br
->name
, c
->target
, whitelist
,
3538 ovs_rundir(), br
->name
);
3547 bridge_configure_local_iface_netdev(br
, c
);
3548 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
3549 if (disable_in_band
) {
3550 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
3555 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
,
3556 bridge_get_allowed_versions(br
));
3557 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
3560 /* Set the fail-mode. */
3561 fail_mode
= !br
->cfg
->fail_mode
3562 || !strcmp(br
->cfg
->fail_mode
, "standalone")
3563 ? OFPROTO_FAIL_STANDALONE
3564 : OFPROTO_FAIL_SECURE
;
3565 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
3567 /* Configure OpenFlow controller connection snooping. */
3568 if (!ofproto_has_snoops(br
->ofproto
)) {
3572 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
3573 ovs_rundir(), br
->name
));
3574 ofproto_set_snoops(br
->ofproto
, &snoops
);
3575 sset_destroy(&snoops
);
3580 bridge_configure_tables(struct bridge
*br
)
3582 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3586 n_tables
= ofproto_get_n_tables(br
->ofproto
);
3588 for (i
= 0; i
< n_tables
; i
++) {
3589 struct ofproto_table_settings s
;
3590 bool use_default_prefixes
= true;
3593 s
.max_flows
= UINT_MAX
;
3596 s
.n_prefix_fields
= 0;
3597 memset(s
.prefix_fields
, ~0, sizeof(s
.prefix_fields
));
3599 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
3600 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
3603 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
3604 s
.max_flows
= *cfg
->flow_limit
;
3606 if (cfg
->overflow_policy
3607 && !strcmp(cfg
->overflow_policy
, "evict")) {
3609 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
3610 for (k
= 0; k
< cfg
->n_groups
; k
++) {
3611 const char *string
= cfg
->groups
[k
];
3614 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
3616 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
3617 "'groups' (%s)", br
->name
, i
, msg
);
3619 } else if (*string
) {
3620 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
3621 "element '%s' contains trailing garbage",
3622 br
->name
, i
, cfg
->groups
[k
]);
3628 /* Prefix lookup fields. */
3629 s
.n_prefix_fields
= 0;
3630 for (k
= 0; k
< cfg
->n_prefixes
; k
++) {
3631 const char *name
= cfg
->prefixes
[k
];
3632 const struct mf_field
*mf
;
3634 if (strcmp(name
, "none") == 0) {
3635 use_default_prefixes
= false;
3636 s
.n_prefix_fields
= 0;
3639 mf
= mf_from_name(name
);
3641 VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s",
3645 if (mf
->flow_be32ofs
< 0 || mf
->n_bits
% 32) {
3646 VLOG_WARN("bridge %s: 'prefixes' with incompatible field: "
3647 "%s", br
->name
, name
);
3650 if (s
.n_prefix_fields
>= ARRAY_SIZE(s
.prefix_fields
)) {
3651 VLOG_WARN("bridge %s: 'prefixes' with too many fields, "
3652 "field not used: %s", br
->name
, name
);
3655 use_default_prefixes
= false;
3656 s
.prefix_fields
[s
.n_prefix_fields
++] = mf
->id
;
3659 if (use_default_prefixes
) {
3660 /* Use default values. */
3661 s
.n_prefix_fields
= ARRAY_SIZE(default_prefix_fields
);
3662 memcpy(s
.prefix_fields
, default_prefix_fields
,
3663 sizeof default_prefix_fields
);
3666 struct ds ds
= DS_EMPTY_INITIALIZER
;
3667 for (k
= 0; k
< s
.n_prefix_fields
; k
++) {
3669 ds_put_char(&ds
, ',');
3671 ds_put_cstr(&ds
, mf_from_id(s
.prefix_fields
[k
])->name
);
3673 if (s
.n_prefix_fields
== 0) {
3674 ds_put_cstr(&ds
, "none");
3676 VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.",
3677 br
->name
, i
, ds_cstr(&ds
));
3681 ofproto_configure_table(br
->ofproto
, i
, &s
);
3685 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
3686 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
3687 "%"PRId64
" not supported by this datapath", br
->name
,
3688 br
->cfg
->key_flow_tables
[j
]);
3693 bridge_configure_dp_desc(struct bridge
*br
)
3695 ofproto_set_dp_desc(br
->ofproto
,
3696 smap_get(&br
->cfg
->other_config
, "dp-desc"));
3699 static struct aa_mapping
*
3700 bridge_aa_mapping_find(struct bridge
*br
, const int64_t isid
)
3702 struct aa_mapping
*m
;
3704 HMAP_FOR_EACH_IN_BUCKET (m
,
3706 hash_bytes(&isid
, sizeof isid
, 0),
3708 if (isid
== m
->isid
) {
3715 static struct aa_mapping
*
3716 bridge_aa_mapping_create(struct bridge
*br
,
3720 struct aa_mapping
*m
;
3722 m
= xzalloc(sizeof *m
);
3726 m
->br_name
= xstrdup(br
->name
);
3727 hmap_insert(&br
->mappings
,
3729 hash_bytes(&isid
, sizeof isid
, 0));
3735 bridge_aa_mapping_destroy(struct aa_mapping
*m
)
3738 struct bridge
*br
= m
->bridge
;
3741 ofproto_aa_mapping_unregister(br
->ofproto
, m
);
3744 hmap_remove(&br
->mappings
, &m
->hmap_node
);
3753 bridge_aa_mapping_configure(struct aa_mapping
*m
)
3755 struct aa_mapping_settings s
;
3761 ofproto_aa_mapping_register(m
->bridge
->ofproto
, m
, &s
);
3767 bridge_configure_aa(struct bridge
*br
)
3769 const struct ovsdb_datum
*mc
;
3770 struct ovsrec_autoattach
*auto_attach
= br
->cfg
->auto_attach
;
3771 struct aa_settings aa_s
;
3772 struct aa_mapping
*m
, *next
;
3776 ofproto_set_aa(br
->ofproto
, NULL
, NULL
);
3780 memset(&aa_s
, 0, sizeof aa_s
);
3781 aa_s
.system_description
= auto_attach
->system_description
;
3782 aa_s
.system_name
= auto_attach
->system_name
;
3783 ofproto_set_aa(br
->ofproto
, NULL
, &aa_s
);
3785 mc
= ovsrec_autoattach_get_mappings(auto_attach
,
3787 OVSDB_TYPE_INTEGER
);
3788 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mappings
) {
3789 union ovsdb_atom atom
;
3791 atom
.integer
= m
->isid
;
3792 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3793 VLOG_INFO("Deleting isid=%"PRIu32
", vlan=%"PRIu16
,
3795 bridge_aa_mapping_destroy(m
);
3799 /* Add new mappings and reconfigure existing ones. */
3800 for (i
= 0; i
< auto_attach
->n_mappings
; ++i
) {
3801 struct aa_mapping
*m
=
3802 bridge_aa_mapping_find(br
, auto_attach
->key_mappings
[i
]);
3805 VLOG_INFO("Adding isid=%"PRId64
", vlan=%"PRId64
,
3806 auto_attach
->key_mappings
[i
],
3807 auto_attach
->value_mappings
[i
]);
3808 m
= bridge_aa_mapping_create(br
,
3809 auto_attach
->key_mappings
[i
],
3810 auto_attach
->value_mappings
[i
]);
3812 if (!bridge_aa_mapping_configure(m
)) {
3813 bridge_aa_mapping_destroy(m
);
3820 bridge_aa_need_refresh(struct bridge
*br
)
3822 return ofproto_aa_vlan_get_queue_size(br
->ofproto
) > 0;
3826 bridge_aa_update_trunks(struct port
*port
, struct bridge_aa_vlan
*m
)
3828 int64_t *trunks
= NULL
;
3830 bool found
= false, reconfigure
= false;
3832 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3833 if (port
->cfg
->trunks
[i
] == m
->vlan
) {
3840 case BRIDGE_AA_VLAN_OPER_ADD
:
3842 trunks
= xmalloc(sizeof *trunks
* (port
->cfg
->n_trunks
+ 1));
3844 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3845 trunks
[i
] = port
->cfg
->trunks
[i
];
3847 trunks
[i
++] = m
->vlan
;
3853 case BRIDGE_AA_VLAN_OPER_REMOVE
:
3857 trunks
= xmalloc(sizeof *trunks
* (port
->cfg
->n_trunks
- 1));
3859 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3860 if (port
->cfg
->trunks
[i
] != m
->vlan
) {
3861 trunks
[j
++] = port
->cfg
->trunks
[i
];
3870 case BRIDGE_AA_VLAN_OPER_UNDEF
:
3872 VLOG_WARN("unrecognized operation %u", m
->oper
);
3877 /* VLAN switching under trunk mode cause the trunk port to switch all
3878 * VLANs, see ovs-vswitchd.conf.db
3881 static char *vlan_mode_access
= "access";
3882 ovsrec_port_set_vlan_mode(port
->cfg
, vlan_mode_access
);
3886 static char *vlan_mode_trunk
= "trunk";
3887 ovsrec_port_set_vlan_mode(port
->cfg
, vlan_mode_trunk
);
3890 ovsrec_port_set_trunks(port
->cfg
, trunks
, i
);
3892 /* Force reconfigure of the port. */
3893 port_configure(port
);
3898 bridge_aa_refresh_queued(struct bridge
*br
)
3900 struct ovs_list
*list
= xmalloc(sizeof *list
);
3901 struct bridge_aa_vlan
*node
;
3904 ofproto_aa_vlan_get_queued(br
->ofproto
, list
);
3906 LIST_FOR_EACH(node
, list_node
, list
) {
3909 VLOG_INFO("ifname=%s, vlan=%u, oper=%u", node
->port_name
, node
->vlan
,
3912 port
= port_lookup(br
, node
->port_name
);
3914 bridge_aa_update_trunks(port
, node
);
3917 list_remove(&node
->list_node
);
3918 free(node
->port_name
);
3926 /* Port functions. */
3928 static struct port
*
3929 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
3933 port
= xzalloc(sizeof *port
);
3935 port
->name
= xstrdup(cfg
->name
);
3937 list_init(&port
->ifaces
);
3939 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
3943 /* Deletes interfaces from 'port' that are no longer configured for it. */
3945 port_del_ifaces(struct port
*port
)
3947 struct iface
*iface
, *next
;
3948 struct sset new_ifaces
;
3951 /* Collect list of new interfaces. */
3952 sset_init(&new_ifaces
);
3953 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
3954 const char *name
= port
->cfg
->interfaces
[i
]->name
;
3955 const char *type
= port
->cfg
->interfaces
[i
]->type
;
3956 if (strcmp(type
, "null")) {
3957 sset_add(&new_ifaces
, name
);
3961 /* Get rid of deleted interfaces. */
3962 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3963 if (!sset_contains(&new_ifaces
, iface
->name
)) {
3964 iface_destroy(iface
);
3968 sset_destroy(&new_ifaces
);
3972 port_destroy(struct port
*port
)
3975 struct bridge
*br
= port
->bridge
;
3976 struct iface
*iface
, *next
;
3979 ofproto_bundle_unregister(br
->ofproto
, port
);
3982 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3983 iface_destroy__(iface
);
3986 hmap_remove(&br
->ports
, &port
->hmap_node
);
3992 static struct port
*
3993 port_lookup(const struct bridge
*br
, const char *name
)
3997 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
3999 if (!strcmp(port
->name
, name
)) {
4007 enable_lacp(struct port
*port
, bool *activep
)
4009 if (!port
->cfg
->lacp
) {
4010 /* XXX when LACP implementation has been sufficiently tested, enable by
4011 * default and make active on bonded ports. */
4013 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
4015 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
4018 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
4022 VLOG_WARN("port %s: unknown LACP mode %s",
4023 port
->name
, port
->cfg
->lacp
);
4028 static struct lacp_settings
*
4029 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
4031 const char *lacp_time
, *system_id
;
4034 if (!enable_lacp(port
, &s
->active
)) {
4038 s
->name
= port
->name
;
4040 system_id
= smap_get(&port
->cfg
->other_config
, "lacp-system-id");
4042 if (!ovs_scan(system_id
, ETH_ADDR_SCAN_FMT
,
4043 ETH_ADDR_SCAN_ARGS(s
->id
))) {
4044 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
4045 " address.", port
->name
, system_id
);
4049 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
4052 if (eth_addr_is_zero(s
->id
)) {
4053 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
4057 /* Prefer bondable links if unspecified. */
4058 priority
= smap_get_int(&port
->cfg
->other_config
, "lacp-system-priority",
4060 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
4062 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
4064 lacp_time
= smap_get(&port
->cfg
->other_config
, "lacp-time");
4065 s
->fast
= lacp_time
&& !strcasecmp(lacp_time
, "fast");
4067 s
->fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
4068 "lacp-fallback-ab", false);
4074 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
4076 int priority
, portid
, key
;
4078 portid
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-id", 0);
4079 priority
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-priority",
4081 key
= smap_get_int(&iface
->cfg
->other_config
, "lacp-aggregation-key", 0);
4083 if (portid
<= 0 || portid
> UINT16_MAX
) {
4084 portid
= ofp_to_u16(iface
->ofp_port
);
4087 if (priority
<= 0 || priority
> UINT16_MAX
) {
4088 priority
= UINT16_MAX
;
4091 if (key
< 0 || key
> UINT16_MAX
) {
4095 s
->name
= iface
->name
;
4097 s
->priority
= priority
;
4102 port_configure_bond(struct port
*port
, struct bond_settings
*s
)
4104 const char *detect_s
;
4105 struct iface
*iface
;
4107 int miimon_interval
;
4109 s
->name
= port
->name
;
4111 if (port
->cfg
->bond_mode
) {
4112 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
4113 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
4114 port
->name
, port
->cfg
->bond_mode
,
4115 bond_mode_to_string(s
->balance
));
4118 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
4120 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
4121 * active-backup. At some point we should remove this warning. */
4122 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
4123 " in previous versions, the default bond_mode was"
4124 " balance-slb", port
->name
,
4125 bond_mode_to_string(s
->balance
));
4127 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
4128 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
4129 "please use another bond type or disable flood_vlans",
4133 miimon_interval
= smap_get_int(&port
->cfg
->other_config
,
4134 "bond-miimon-interval", 0);
4135 if (miimon_interval
<= 0) {
4136 miimon_interval
= 200;
4139 detect_s
= smap_get(&port
->cfg
->other_config
, "bond-detect-mode");
4140 if (!detect_s
|| !strcmp(detect_s
, "carrier")) {
4141 miimon_interval
= 0;
4142 } else if (strcmp(detect_s
, "miimon")) {
4143 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
4144 "defaulting to carrier", port
->name
, detect_s
);
4145 miimon_interval
= 0;
4148 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
4149 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
4150 s
->basis
= smap_get_int(&port
->cfg
->other_config
, "bond-hash-basis", 0);
4151 s
->rebalance_interval
= smap_get_int(&port
->cfg
->other_config
,
4152 "bond-rebalance-interval", 10000);
4153 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
4154 s
->rebalance_interval
= 1000;
4157 s
->lacp_fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
4158 "lacp-fallback-ab", false);
4160 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
4161 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
4164 mac_s
= port
->cfg
->bond_active_slave
;
4165 if (!mac_s
|| !ovs_scan(mac_s
, ETH_ADDR_SCAN_FMT
,
4166 ETH_ADDR_SCAN_ARGS(s
->active_slave_mac
))) {
4167 /* OVSDB did not store the last active interface */
4168 memset(s
->active_slave_mac
, 0, sizeof(s
->active_slave_mac
));
4172 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
4173 * instead of obtaining it from the database. */
4175 port_is_synthetic(const struct port
*port
)
4177 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
4180 /* Interface functions. */
4183 iface_is_internal(const struct ovsrec_interface
*iface
,
4184 const struct ovsrec_bridge
*br
)
4186 /* The local port and "internal" ports are always "internal". */
4187 return !strcmp(iface
->type
, "internal") || !strcmp(iface
->name
, br
->name
);
4190 /* Returns the correct network device type for interface 'iface' in bridge
4193 iface_get_type(const struct ovsrec_interface
*iface
,
4194 const struct ovsrec_bridge
*br
)
4198 /* The local port always has type "internal". Other ports take
4199 * their type from the database and default to "system" if none is
4201 if (iface_is_internal(iface
, br
)) {
4204 type
= iface
->type
[0] ? iface
->type
: "system";
4207 return ofproto_port_open_type(br
->datapath_type
, type
);
4211 iface_destroy__(struct iface
*iface
)
4214 struct port
*port
= iface
->port
;
4215 struct bridge
*br
= port
->bridge
;
4217 if (br
->ofproto
&& iface
->ofp_port
!= OFPP_NONE
) {
4218 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
4221 if (iface
->ofp_port
!= OFPP_NONE
) {
4222 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
4225 list_remove(&iface
->port_elem
);
4226 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
4228 /* The user is changing configuration here, so netdev_remove needs to be
4229 * used as opposed to netdev_close */
4230 netdev_remove(iface
->netdev
);
4238 iface_destroy(struct iface
*iface
)
4241 struct port
*port
= iface
->port
;
4243 iface_destroy__(iface
);
4244 if (list_is_empty(&port
->ifaces
)) {
4250 static struct iface
*
4251 iface_lookup(const struct bridge
*br
, const char *name
)
4253 struct iface
*iface
;
4255 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
4256 &br
->iface_by_name
) {
4257 if (!strcmp(iface
->name
, name
)) {
4265 static struct iface
*
4266 iface_find(const char *name
)
4268 const struct bridge
*br
;
4270 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4271 struct iface
*iface
= iface_lookup(br
, name
);
4280 static struct iface
*
4281 iface_from_ofp_port(const struct bridge
*br
, ofp_port_t ofp_port
)
4283 struct iface
*iface
;
4285 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
, hash_ofp_port(ofp_port
),
4287 if (iface
->ofp_port
== ofp_port
) {
4294 /* Set Ethernet address of 'iface', if one is specified in the configuration
4297 iface_set_mac(const struct bridge
*br
, const struct port
*port
, struct iface
*iface
)
4299 uint8_t ea
[ETH_ADDR_LEN
], *mac
= NULL
;
4300 struct iface
*hw_addr_iface
;
4302 if (strcmp(iface
->type
, "internal")) {
4306 if (iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
4308 } else if (port
->cfg
->fake_bridge
) {
4309 /* Fake bridge and no MAC set in the configuration. Pick a local one. */
4310 find_local_hw_addr(br
, ea
, port
, &hw_addr_iface
);
4315 if (iface
->ofp_port
== OFPP_LOCAL
) {
4316 VLOG_ERR("interface %s: ignoring mac in Interface record "
4317 "(use Bridge record to set local port's mac)",
4319 } else if (eth_addr_is_multicast(mac
)) {
4320 VLOG_ERR("interface %s: cannot set MAC to multicast address",
4323 int error
= netdev_set_etheraddr(iface
->netdev
, mac
);
4325 VLOG_ERR("interface %s: setting MAC failed (%s)",
4326 iface
->name
, ovs_strerror(error
));
4332 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
4334 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, ofp_port_t ofport
)
4336 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
4337 int64_t port
= ofport
== OFPP_NONE
? -1 : ofp_to_u16(ofport
);
4338 ovsrec_interface_set_ofport(if_cfg
, &port
, 1);
4342 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
4343 * sets the "ofport" field to -1.
4345 * This is appropriate when 'if_cfg''s interface cannot be created or is
4346 * otherwise invalid. */
4348 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
)
4350 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
4351 iface_set_ofport(if_cfg
, OFPP_NONE
);
4352 ovsrec_interface_set_error(if_cfg
, errp
);
4353 ovsrec_interface_set_status(if_cfg
, NULL
);
4354 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
4355 ovsrec_interface_set_duplex(if_cfg
, NULL
);
4356 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
4357 ovsrec_interface_set_link_state(if_cfg
, NULL
);
4358 ovsrec_interface_set_mac_in_use(if_cfg
, NULL
);
4359 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
4360 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
4361 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
4362 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
4363 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
4364 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
4365 ovsrec_interface_set_ifindex(if_cfg
, NULL
, 0);
4370 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
4372 union ovsdb_atom atom
;
4374 atom
.integer
= target
;
4375 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
4379 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
4381 struct ofpbuf queues_buf
;
4383 ofpbuf_init(&queues_buf
, 0);
4385 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
4386 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
4388 const struct ovsdb_datum
*queues
;
4389 struct netdev_queue_dump dump
;
4390 unsigned int queue_id
;
4391 struct smap details
;
4395 /* Configure top-level Qos for 'iface'. */
4396 netdev_set_qos(iface
->netdev
, qos
->type
, &qos
->other_config
);
4398 /* Deconfigure queues that were deleted. */
4399 queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
4401 smap_init(&details
);
4402 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
4403 if (!queue_ids_include(queues
, queue_id
)) {
4404 netdev_delete_queue(iface
->netdev
, queue_id
);
4407 smap_destroy(&details
);
4409 /* Configure queues for 'iface'. */
4411 for (i
= 0; i
< qos
->n_queues
; i
++) {
4412 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
4413 unsigned int queue_id
= qos
->key_queues
[i
];
4415 if (queue_id
== 0) {
4419 if (queue
->n_dscp
== 1) {
4420 struct ofproto_port_queue
*port_queue
;
4422 port_queue
= ofpbuf_put_uninit(&queues_buf
,
4423 sizeof *port_queue
);
4424 port_queue
->queue
= queue_id
;
4425 port_queue
->dscp
= queue
->dscp
[0];
4428 netdev_set_queue(iface
->netdev
, queue_id
, &queue
->other_config
);
4431 struct smap details
;
4433 smap_init(&details
);
4434 netdev_set_queue(iface
->netdev
, 0, &details
);
4435 smap_destroy(&details
);
4439 if (iface
->ofp_port
!= OFPP_NONE
) {
4440 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
4441 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
4443 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
4444 port_queues
, n_queues
);
4447 netdev_set_policing(iface
->netdev
,
4448 MIN(UINT32_MAX
, iface
->cfg
->ingress_policing_rate
),
4449 MIN(UINT32_MAX
, iface
->cfg
->ingress_policing_burst
));
4451 ofpbuf_uninit(&queues_buf
);
4455 iface_configure_cfm(struct iface
*iface
)
4457 const struct ovsrec_interface
*cfg
= iface
->cfg
;
4458 const char *opstate_str
;
4459 const char *cfm_ccm_vlan
;
4460 struct cfm_settings s
;
4461 struct smap netdev_args
;
4463 if (!cfg
->n_cfm_mpid
) {
4464 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
4468 s
.check_tnl_key
= false;
4469 smap_init(&netdev_args
);
4470 if (!netdev_get_config(iface
->netdev
, &netdev_args
)) {
4471 const char *key
= smap_get(&netdev_args
, "key");
4472 const char *in_key
= smap_get(&netdev_args
, "in_key");
4474 s
.check_tnl_key
= (key
&& !strcmp(key
, "flow"))
4475 || (in_key
&& !strcmp(in_key
, "flow"));
4477 smap_destroy(&netdev_args
);
4479 s
.mpid
= *cfg
->cfm_mpid
;
4480 s
.interval
= smap_get_int(&iface
->cfg
->other_config
, "cfm_interval", 0);
4481 cfm_ccm_vlan
= smap_get(&iface
->cfg
->other_config
, "cfm_ccm_vlan");
4482 s
.ccm_pcp
= smap_get_int(&iface
->cfg
->other_config
, "cfm_ccm_pcp", 0);
4484 if (s
.interval
<= 0) {
4488 if (!cfm_ccm_vlan
) {
4490 } else if (!strcasecmp("random", cfm_ccm_vlan
)) {
4491 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
4493 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
4494 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
4499 s
.extended
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_extended",
4501 s
.demand
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_demand", false);
4503 opstate_str
= smap_get(&iface
->cfg
->other_config
, "cfm_opstate");
4504 s
.opup
= !opstate_str
|| !strcasecmp("up", opstate_str
);
4506 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
4509 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
4510 * instead of obtaining it from the database. */
4512 iface_is_synthetic(const struct iface
*iface
)
4514 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
4518 iface_validate_ofport__(size_t n
, int64_t *ofport
)
4520 return (n
&& *ofport
>= 1 && *ofport
< ofp_to_u16(OFPP_MAX
)
4521 ? u16_to_ofp(*ofport
)
4526 iface_get_requested_ofp_port(const struct ovsrec_interface
*cfg
)
4528 return iface_validate_ofport__(cfg
->n_ofport_request
, cfg
->ofport_request
);
4532 iface_pick_ofport(const struct ovsrec_interface
*cfg
)
4534 ofp_port_t requested_ofport
= iface_get_requested_ofp_port(cfg
);
4535 return (requested_ofport
!= OFPP_NONE
4537 : iface_validate_ofport__(cfg
->n_ofport
, cfg
->ofport
));
4540 /* Port mirroring. */
4542 static struct mirror
*
4543 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
4547 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
4548 if (uuid_equals(uuid
, &m
->uuid
)) {
4556 bridge_configure_mirrors(struct bridge
*br
)
4558 const struct ovsdb_datum
*mc
;
4559 unsigned long *flood_vlans
;
4560 struct mirror
*m
, *next
;
4563 /* Get rid of deleted mirrors. */
4564 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
4565 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
4566 union ovsdb_atom atom
;
4568 atom
.uuid
= m
->uuid
;
4569 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
4574 /* Add new mirrors and reconfigure existing ones. */
4575 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
4576 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
4577 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
4579 m
= mirror_create(br
, cfg
);
4582 if (!mirror_configure(m
)) {
4587 /* Update flooded vlans (for RSPAN). */
4588 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
4589 br
->cfg
->n_flood_vlans
);
4590 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
4591 bitmap_free(flood_vlans
);
4594 static struct mirror
*
4595 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
4599 m
= xzalloc(sizeof *m
);
4600 m
->uuid
= cfg
->header_
.uuid
;
4601 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
4603 m
->name
= xstrdup(cfg
->name
);
4609 mirror_destroy(struct mirror
*m
)
4612 struct bridge
*br
= m
->bridge
;
4615 ofproto_mirror_unregister(br
->ofproto
, m
);
4618 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
4625 mirror_collect_ports(struct mirror
*m
,
4626 struct ovsrec_port
**in_ports
, int n_in_ports
,
4627 void ***out_portsp
, size_t *n_out_portsp
)
4629 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
4630 size_t n_out_ports
= 0;
4633 for (i
= 0; i
< n_in_ports
; i
++) {
4634 const char *name
= in_ports
[i
]->name
;
4635 struct port
*port
= port_lookup(m
->bridge
, name
);
4637 out_ports
[n_out_ports
++] = port
;
4639 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
4640 "port %s", m
->bridge
->name
, m
->name
, name
);
4643 *out_portsp
= out_ports
;
4644 *n_out_portsp
= n_out_ports
;
4648 mirror_configure(struct mirror
*m
)
4650 const struct ovsrec_mirror
*cfg
= m
->cfg
;
4651 struct ofproto_mirror_settings s
;
4654 if (strcmp(cfg
->name
, m
->name
)) {
4656 m
->name
= xstrdup(cfg
->name
);
4660 /* Get output port or VLAN. */
4661 if (cfg
->output_port
) {
4662 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
4663 if (!s
.out_bundle
) {
4664 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
4665 m
->bridge
->name
, m
->name
);
4668 s
.out_vlan
= UINT16_MAX
;
4670 if (cfg
->output_vlan
) {
4671 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
4672 "output vlan; ignoring output vlan",
4673 m
->bridge
->name
, m
->name
);
4675 } else if (cfg
->output_vlan
) {
4676 /* The database should prevent invalid VLAN values. */
4677 s
.out_bundle
= NULL
;
4678 s
.out_vlan
= *cfg
->output_vlan
;
4680 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
4681 m
->bridge
->name
, m
->name
);
4685 /* Get port selection. */
4686 if (cfg
->select_all
) {
4687 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
4688 void **ports
= xmalloc(n_ports
* sizeof *ports
);
4693 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
4703 /* Get ports, dropping ports that don't exist.
4704 * The IDL ensures that there are no duplicates. */
4705 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
4706 &s
.srcs
, &s
.n_srcs
);
4707 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
4708 &s
.dsts
, &s
.n_dsts
);
4711 /* Get VLAN selection. */
4712 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
4715 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
4718 if (s
.srcs
!= s
.dsts
) {
4727 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4729 * This is deprecated. It is only for compatibility with broken device drivers
4730 * in old versions of Linux that do not properly support VLANs when VLAN
4731 * devices are not used. When broken device drivers are no longer in
4732 * widespread use, we will delete these interfaces. */
4734 static struct ovsrec_port
**recs
;
4735 static size_t n_recs
, allocated_recs
;
4737 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
4738 * splinters are reconfigured. */
4740 register_rec(struct ovsrec_port
*rec
)
4742 if (n_recs
>= allocated_recs
) {
4743 recs
= x2nrealloc(recs
, &allocated_recs
, sizeof *recs
);
4745 recs
[n_recs
++] = rec
;
4748 /* Frees all of the ports registered with register_reg(). */
4750 free_registered_recs(void)
4754 for (i
= 0; i
< n_recs
; i
++) {
4755 struct ovsrec_port
*port
= recs
[i
];
4758 for (j
= 0; j
< port
->n_interfaces
; j
++) {
4759 struct ovsrec_interface
*iface
= port
->interfaces
[j
];
4764 smap_destroy(&port
->other_config
);
4765 free(port
->interfaces
);
4773 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
4776 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
4778 return smap_get_bool(&iface_cfg
->other_config
, "enable-vlan-splinters",
4782 /* Figures out the set of VLANs that are in use for the purpose of VLAN
4785 * If VLAN splinters are enabled on at least one interface and any VLANs are in
4786 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
4787 * 4095 will not be set). The caller is responsible for freeing the bitmap,
4790 * If VLANs splinters are not enabled on any interface or if no VLANs are in
4791 * use, returns NULL.
4793 * Updates 'vlan_splinters_enabled_anywhere'. */
4794 static unsigned long int *
4795 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
4797 unsigned long int *splinter_vlans
;
4798 struct sset splinter_ifaces
;
4799 const char *real_dev_name
;
4800 struct shash
*real_devs
;
4801 struct shash_node
*node
;
4805 /* Free space allocated for synthesized ports and interfaces, since we're
4806 * in the process of reconstructing all of them. */
4807 free_registered_recs();
4809 splinter_vlans
= bitmap_allocate(4096);
4810 sset_init(&splinter_ifaces
);
4811 vlan_splinters_enabled_anywhere
= false;
4812 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
4813 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
4816 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
4817 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
4820 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
4821 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
4823 if (vlan_splinters_is_enabled(iface_cfg
)) {
4824 vlan_splinters_enabled_anywhere
= true;
4825 sset_add(&splinter_ifaces
, iface_cfg
->name
);
4826 vlan_bitmap_from_array__(port_cfg
->trunks
,
4832 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
4833 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
4838 if (!vlan_splinters_enabled_anywhere
) {
4839 free(splinter_vlans
);
4840 sset_destroy(&splinter_ifaces
);
4844 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4846 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
4850 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
4851 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
4852 * device to be created for it. */
4853 bitmap_set0(splinter_vlans
, 0);
4854 bitmap_set0(splinter_vlans
, 4095);
4856 /* Delete all VLAN devices that we don't need. */
4858 real_devs
= vlandev_get_real_devs();
4859 SHASH_FOR_EACH (node
, real_devs
) {
4860 const struct vlan_real_dev
*real_dev
= node
->data
;
4861 const struct vlan_dev
*vlan_dev
;
4862 bool real_dev_has_splinters
;
4864 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
4866 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
4867 if (!real_dev_has_splinters
4868 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
4869 struct netdev
*netdev
;
4871 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
4872 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
4873 !netdev_get_in6(netdev
, NULL
)) {
4874 /* It has an IP address configured, so we don't own
4875 * it. Don't delete it. */
4877 vlandev_del(vlan_dev
->name
);
4879 netdev_close(netdev
);
4886 /* Add all VLAN devices that we need. */
4887 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
4890 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4891 if (!vlandev_get_name(real_dev_name
, vid
)) {
4892 vlandev_add(real_dev_name
, vid
);
4899 sset_destroy(&splinter_ifaces
);
4901 if (bitmap_scan(splinter_vlans
, 1, 0, 4096) >= 4096) {
4902 free(splinter_vlans
);
4905 return splinter_vlans
;
4908 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
4911 configure_splinter_port(struct port
*port
)
4913 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
4914 ofp_port_t realdev_ofp_port
;
4915 const char *realdev_name
;
4916 struct iface
*vlandev
, *realdev
;
4918 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
4920 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
4923 realdev_name
= smap_get(&port
->cfg
->other_config
, "realdev");
4924 realdev
= iface_lookup(port
->bridge
, realdev_name
);
4925 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
4927 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
4931 static struct ovsrec_port
*
4932 synthesize_splinter_port(const char *real_dev_name
,
4933 const char *vlan_dev_name
, int vid
)
4935 struct ovsrec_interface
*iface
;
4936 struct ovsrec_port
*port
;
4938 iface
= xmalloc(sizeof *iface
);
4939 ovsrec_interface_init(iface
);
4940 iface
->name
= xstrdup(vlan_dev_name
);
4941 iface
->type
= "system";
4943 port
= xmalloc(sizeof *port
);
4944 ovsrec_port_init(port
);
4945 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
4946 port
->n_interfaces
= 1;
4947 port
->name
= xstrdup(vlan_dev_name
);
4948 port
->vlan_mode
= "splinter";
4949 port
->tag
= xmalloc(sizeof *port
->tag
);
4952 smap_add(&port
->other_config
, "realdev", real_dev_name
);
4958 /* For each interface with 'br' that has VLAN splinters enabled, adds a
4959 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
4960 * 1-bit in the 'splinter_vlans' bitmap. */
4962 add_vlan_splinter_ports(struct bridge
*br
,
4963 const unsigned long int *splinter_vlans
,
4964 struct shash
*ports
)
4968 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
4969 * we're modifying 'ports'. */
4970 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
4971 const char *name
= br
->cfg
->ports
[i
]->name
;
4972 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
4975 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
4976 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
4978 if (vlan_splinters_is_enabled(iface_cfg
)) {
4979 const char *real_dev_name
;
4982 real_dev_name
= iface_cfg
->name
;
4983 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4984 const char *vlan_dev_name
;
4986 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
4988 && !shash_find(ports
, vlan_dev_name
)) {
4989 shash_add(ports
, vlan_dev_name
,
4990 synthesize_splinter_port(
4991 real_dev_name
, vlan_dev_name
, vid
));
5000 mirror_refresh_stats(struct mirror
*m
)
5002 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
5003 uint64_t tx_packets
, tx_bytes
;
5004 const char *keys
[2];
5006 size_t stat_cnt
= 0;
5008 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
5009 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
5013 if (tx_packets
!= UINT64_MAX
) {
5014 keys
[stat_cnt
] = "tx_packets";
5015 values
[stat_cnt
] = tx_packets
;
5018 if (tx_bytes
!= UINT64_MAX
) {
5019 keys
[stat_cnt
] = "tx_bytes";
5020 values
[stat_cnt
] = tx_bytes
;
5024 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);