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_stp(struct bridge
*);
252 static void bridge_configure_rstp(struct bridge
*);
253 static void bridge_configure_tables(struct bridge
*);
254 static void bridge_configure_dp_desc(struct bridge
*);
255 static void bridge_configure_aa(struct bridge
*);
256 static void bridge_aa_refresh_queued(struct bridge
*);
257 static bool bridge_aa_need_refresh(struct bridge
*);
258 static void bridge_configure_remotes(struct bridge
*,
259 const struct sockaddr_in
*managers
,
261 static void bridge_pick_local_hw_addr(struct bridge
*,
262 uint8_t ea
[ETH_ADDR_LEN
],
263 struct iface
**hw_addr_iface
);
264 static uint64_t bridge_pick_datapath_id(struct bridge
*,
265 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
266 struct iface
*hw_addr_iface
);
267 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
268 static bool bridge_has_bond_fake_iface(const struct bridge
*,
270 static bool port_is_bond_fake_iface(const struct port
*);
272 static unixctl_cb_func qos_unixctl_show
;
274 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
275 static void port_del_ifaces(struct port
*);
276 static void port_destroy(struct port
*);
277 static struct port
*port_lookup(const struct bridge
*, const char *name
);
278 static void port_configure(struct port
*);
279 static struct lacp_settings
*port_configure_lacp(struct port
*,
280 struct lacp_settings
*);
281 static void port_configure_bond(struct port
*, struct bond_settings
*);
282 static bool port_is_synthetic(const struct port
*);
284 static void reconfigure_system_stats(const struct ovsrec_open_vswitch
*);
285 static void run_system_stats(void);
287 static void bridge_configure_mirrors(struct bridge
*);
288 static struct mirror
*mirror_create(struct bridge
*,
289 const struct ovsrec_mirror
*);
290 static void mirror_destroy(struct mirror
*);
291 static bool mirror_configure(struct mirror
*);
292 static void mirror_refresh_stats(struct mirror
*);
294 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
295 static bool iface_create(struct bridge
*, const struct ovsrec_interface
*,
296 const struct ovsrec_port
*);
297 static bool iface_is_internal(const struct ovsrec_interface
*iface
,
298 const struct ovsrec_bridge
*br
);
299 static const char *iface_get_type(const struct ovsrec_interface
*,
300 const struct ovsrec_bridge
*);
301 static void iface_destroy(struct iface
*);
302 static void iface_destroy__(struct iface
*);
303 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
304 static struct iface
*iface_find(const char *name
);
305 static struct iface
*iface_from_ofp_port(const struct bridge
*,
306 ofp_port_t ofp_port
);
307 static void iface_set_mac(const struct bridge
*, const struct port
*, struct iface
*);
308 static void iface_set_ofport(const struct ovsrec_interface
*, ofp_port_t ofport
);
309 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
);
310 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
311 static void iface_configure_cfm(struct iface
*);
312 static void iface_refresh_cfm_stats(struct iface
*);
313 static void iface_refresh_stats(struct iface
*);
314 static void iface_refresh_netdev_status(struct iface
*);
315 static void iface_refresh_ofproto_status(struct iface
*);
316 static bool iface_is_synthetic(const struct iface
*);
317 static ofp_port_t
iface_get_requested_ofp_port(
318 const struct ovsrec_interface
*);
319 static ofp_port_t
iface_pick_ofport(const struct ovsrec_interface
*);
321 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
323 * This is deprecated. It is only for compatibility with broken device drivers
324 * in old versions of Linux that do not properly support VLANs when VLAN
325 * devices are not used. When broken device drivers are no longer in
326 * widespread use, we will delete these interfaces. */
328 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
329 static bool vlan_splinters_enabled_anywhere
;
331 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
332 static unsigned long int *collect_splinter_vlans(
333 const struct ovsrec_open_vswitch
*);
334 static void configure_splinter_port(struct port
*);
335 static void add_vlan_splinter_ports(struct bridge
*,
336 const unsigned long int *splinter_vlans
,
337 struct shash
*ports
);
340 bridge_init_ofproto(const struct ovsrec_open_vswitch
*cfg
)
342 struct shash iface_hints
;
343 static bool initialized
= false;
350 shash_init(&iface_hints
);
353 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
354 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
357 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
358 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
361 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
362 struct ovsrec_interface
*if_cfg
= port_cfg
->interfaces
[k
];
363 struct iface_hint
*iface_hint
;
365 iface_hint
= xmalloc(sizeof *iface_hint
);
366 iface_hint
->br_name
= br_cfg
->name
;
367 iface_hint
->br_type
= br_cfg
->datapath_type
;
368 iface_hint
->ofp_port
= iface_pick_ofport(if_cfg
);
370 shash_add(&iface_hints
, if_cfg
->name
, iface_hint
);
376 ofproto_init(&iface_hints
);
378 shash_destroy_free_data(&iface_hints
);
382 /* Public functions. */
384 /* Initializes the bridge module, configuring it to obtain its configuration
385 * from an OVSDB server accessed over 'remote', which should be a string in a
386 * form acceptable to ovsdb_idl_create(). */
388 bridge_init(const char *remote
)
390 /* Create connection to database. */
391 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true, true);
392 idl_seqno
= ovsdb_idl_get_seqno(idl
);
393 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
394 ovsdb_idl_verify_write_only(idl
);
396 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
397 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
398 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
399 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
400 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
401 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
402 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
404 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
405 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_version
);
406 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
407 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_rstp_status
);
408 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_stp_enable
);
409 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_rstp_enable
);
410 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
412 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
413 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_rstp_status
);
414 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_rstp_statistics
);
415 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
416 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_bond_active_slave
);
417 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
418 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_trunks
);
419 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_vlan_mode
);
420 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
421 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
422 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
423 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
424 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
425 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mac_in_use
);
426 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ifindex
);
427 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
428 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
429 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
430 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
431 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
432 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
433 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
434 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_flap_count
);
435 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_health
);
436 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_opstate
);
437 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_bfd_status
);
438 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
439 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_error
);
440 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
442 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
443 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
444 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
445 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
447 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
449 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
451 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
452 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
454 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
455 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
456 ovsdb_idl_omit(idl
, &ovsrec_ipfix_col_external_ids
);
457 ovsdb_idl_omit(idl
, &ovsrec_flow_sample_collector_set_col_external_ids
);
459 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
460 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
461 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
462 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
463 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
465 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
467 /* Register unixctl commands. */
468 unixctl_command_register("qos/show", "interface", 1, 1,
469 qos_unixctl_show
, NULL
);
470 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
471 bridge_unixctl_dump_flows
, NULL
);
472 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
473 bridge_unixctl_reconnect
, NULL
);
486 struct bridge
*br
, *next_br
;
488 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
491 ovsdb_idl_destroy(idl
);
494 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
495 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
496 * responsible for freeing '*managersp' (with free()).
498 * You may be asking yourself "why does ovs-vswitchd care?", because
499 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
500 * should not be and in fact is not directly involved in that. But
501 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
502 * it has to tell in-band control where the managers are to enable that.
503 * (Thus, only managers connected in-band are collected.)
506 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
507 struct sockaddr_in
**managersp
, size_t *n_managersp
)
509 struct sockaddr_in
*managers
= NULL
;
510 size_t n_managers
= 0;
514 /* Collect all of the potential targets from the "targets" columns of the
515 * rows pointed to by "manager_options", excluding any that are
518 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
519 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
521 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
522 sset_find_and_delete(&targets
, m
->target
);
524 sset_add(&targets
, m
->target
);
528 /* Now extract the targets' IP addresses. */
529 if (!sset_is_empty(&targets
)) {
532 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
533 SSET_FOR_EACH (target
, &targets
) {
535 struct sockaddr_storage ss
;
536 struct sockaddr_in in
;
539 if (stream_parse_target_with_default_port(target
, OVSDB_OLD_PORT
,
541 && sa
.ss
.ss_family
== AF_INET
) {
542 managers
[n_managers
++] = sa
.in
;
546 sset_destroy(&targets
);
548 *managersp
= managers
;
549 *n_managersp
= n_managers
;
553 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
555 unsigned long int *splinter_vlans
;
556 struct sockaddr_in
*managers
;
557 struct bridge
*br
, *next
;
558 int sflow_bridge_number
;
561 COVERAGE_INC(bridge_reconfigure
);
563 ofproto_set_flow_limit(smap_get_int(&ovs_cfg
->other_config
, "flow-limit",
564 OFPROTO_FLOW_LIMIT_DEFAULT
));
565 ofproto_set_max_idle(smap_get_int(&ovs_cfg
->other_config
, "max-idle",
566 OFPROTO_MAX_IDLE_DEFAULT
));
567 ofproto_set_n_dpdk_rxqs(smap_get_int(&ovs_cfg
->other_config
,
569 ofproto_set_cpu_mask(smap_get(&ovs_cfg
->other_config
, "pmd-cpu-mask"));
572 smap_get_int(&ovs_cfg
->other_config
, "n-handler-threads", 0),
573 smap_get_int(&ovs_cfg
->other_config
, "n-revalidator-threads", 0));
575 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
576 * to 'ovs_cfg', with only very minimal configuration otherwise.
578 * This is mostly an update to bridge data structures. Nothing is pushed
579 * down to ofproto or lower layers. */
580 add_del_bridges(ovs_cfg
);
581 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
582 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
583 bridge_collect_wanted_ports(br
, splinter_vlans
, &br
->wanted_ports
);
584 bridge_del_ports(br
, &br
->wanted_ports
);
586 free(splinter_vlans
);
588 /* Start pushing configuration changes down to the ofproto layer:
590 * - Delete ofprotos that are no longer configured.
592 * - Delete ports that are no longer configured.
594 * - Reconfigure existing ports to their desired configurations, or
595 * delete them if not possible.
597 * We have to do all the deletions before we can do any additions, because
598 * the ports to be added might require resources that will be freed up by
599 * deletions (they might especially overlap in name). */
600 bridge_delete_ofprotos();
601 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
603 bridge_delete_or_reconfigure_ports(br
);
607 /* Finish pushing configuration changes to the ofproto layer:
609 * - Create ofprotos that are missing.
611 * - Add ports that are missing. */
612 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
616 error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
618 VLOG_ERR("failed to create bridge %s: %s", br
->name
,
619 ovs_strerror(error
));
620 shash_destroy(&br
->wanted_ports
);
623 /* Trigger storing datapath version. */
624 seq_change(connectivity_seq_get());
628 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
629 bridge_add_ports(br
, &br
->wanted_ports
);
630 shash_destroy(&br
->wanted_ports
);
633 reconfigure_system_stats(ovs_cfg
);
635 /* Complete the configuration. */
636 sflow_bridge_number
= 0;
637 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
638 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
641 /* We need the datapath ID early to allow LACP ports to use it as the
642 * default system ID. */
643 bridge_configure_datapath_id(br
);
645 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
648 port_configure(port
);
650 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
651 iface_set_ofport(iface
->cfg
, iface
->ofp_port
);
652 /* Clear eventual previous errors */
653 ovsrec_interface_set_error(iface
->cfg
, NULL
);
654 iface_configure_cfm(iface
);
655 iface_configure_qos(iface
, port
->cfg
->qos
);
656 iface_set_mac(br
, port
, iface
);
657 ofproto_port_set_bfd(br
->ofproto
, iface
->ofp_port
,
659 ofproto_port_set_lldp(br
->ofproto
, iface
->ofp_port
,
663 bridge_configure_mirrors(br
);
664 bridge_configure_forward_bpdu(br
);
665 bridge_configure_mac_table(br
);
666 bridge_configure_mcast_snooping(br
);
667 bridge_configure_remotes(br
, managers
, n_managers
);
668 bridge_configure_netflow(br
);
669 bridge_configure_sflow(br
, &sflow_bridge_number
);
670 bridge_configure_ipfix(br
);
671 bridge_configure_stp(br
);
672 bridge_configure_rstp(br
);
673 bridge_configure_tables(br
);
674 bridge_configure_dp_desc(br
);
675 bridge_configure_aa(br
);
679 /* The ofproto-dpif provider does some final reconfiguration in its
680 * ->type_run() function. We have to call it before notifying the database
681 * client that reconfiguration is complete, otherwise there is a very
682 * narrow race window in which e.g. ofproto/trace will not recognize the
683 * new configuration (sometimes this causes unit test failures). */
687 /* Delete ofprotos which aren't configured or have the wrong type. Create
688 * ofprotos which don't exist but need to. */
690 bridge_delete_ofprotos(void)
697 /* Delete ofprotos with no bridge or with the wrong type. */
700 ofproto_enumerate_types(&types
);
701 SSET_FOR_EACH (type
, &types
) {
704 ofproto_enumerate_names(type
, &names
);
705 SSET_FOR_EACH (name
, &names
) {
706 br
= bridge_lookup(name
);
707 if (!br
|| strcmp(type
, br
->type
)) {
708 ofproto_delete(name
, type
);
712 sset_destroy(&names
);
713 sset_destroy(&types
);
717 add_ofp_port(ofp_port_t port
, ofp_port_t
*ports
, size_t *n
, size_t *allocated
)
719 if (*n
>= *allocated
) {
720 ports
= x2nrealloc(ports
, allocated
, sizeof *ports
);
722 ports
[(*n
)++] = port
;
727 bridge_delete_or_reconfigure_ports(struct bridge
*br
)
729 struct ofproto_port ofproto_port
;
730 struct ofproto_port_dump dump
;
732 struct sset ofproto_ports
;
733 struct port
*port
, *port_next
;
735 /* List of "ofp_port"s to delete. We make a list instead of deleting them
736 * right away because ofproto implementations aren't necessarily able to
737 * iterate through a changing list of ports in an entirely robust way. */
744 sset_init(&ofproto_ports
);
746 /* Main task: Iterate over the ports in 'br->ofproto' and remove the ports
747 * that are not configured in the database. (This commonly happens when
748 * ports have been deleted, e.g. with "ovs-vsctl del-port".)
750 * Side tasks: Reconfigure the ports that are still in 'br'. Delete ports
751 * that have the wrong OpenFlow port number (and arrange to add them back
752 * with the correct OpenFlow port number). */
753 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
754 ofp_port_t requested_ofp_port
;
757 sset_add(&ofproto_ports
, ofproto_port
.name
);
759 iface
= iface_lookup(br
, ofproto_port
.name
);
761 /* No such iface is configured, so we should delete this
764 * As a corner case exception, keep the port if it's a bond fake
766 if (bridge_has_bond_fake_iface(br
, ofproto_port
.name
)
767 && !strcmp(ofproto_port
.type
, "internal")) {
773 if (strcmp(ofproto_port
.type
, iface
->type
)
774 || netdev_set_config(iface
->netdev
, &iface
->cfg
->options
, NULL
)) {
775 /* The interface is the wrong type or can't be configured.
780 /* If the requested OpenFlow port for 'iface' changed, and it's not
781 * already the correct port, then we might want to temporarily delete
782 * this interface, so we can add it back again with the new OpenFlow
784 requested_ofp_port
= iface_get_requested_ofp_port(iface
->cfg
);
785 if (iface
->ofp_port
!= OFPP_LOCAL
&&
786 requested_ofp_port
!= OFPP_NONE
&&
787 requested_ofp_port
!= iface
->ofp_port
) {
788 ofp_port_t victim_request
;
789 struct iface
*victim
;
791 /* Check for an existing OpenFlow port currently occupying
792 * 'iface''s requested port number. If there isn't one, then
793 * delete this port. Otherwise we need to consider further. */
794 victim
= iface_from_ofp_port(br
, requested_ofp_port
);
799 /* 'victim' is a port currently using 'iface''s requested port
800 * number. Unless 'victim' specifically requested that port
801 * number, too, then we can delete both 'iface' and 'victim'
802 * temporarily. (We'll add both of them back again later with new
803 * OpenFlow port numbers.)
805 * If 'victim' did request port number 'requested_ofp_port', just
806 * like 'iface', then that's a configuration inconsistency that we
807 * can't resolve. We might as well let it keep its current port
809 victim_request
= iface_get_requested_ofp_port(victim
->cfg
);
810 if (victim_request
!= requested_ofp_port
) {
811 del
= add_ofp_port(victim
->ofp_port
, del
, &n
, &allocated
);
812 iface_destroy(victim
);
821 iface_destroy(iface
);
822 del
= add_ofp_port(ofproto_port
.ofp_port
, del
, &n
, &allocated
);
824 for (i
= 0; i
< n
; i
++) {
825 ofproto_port_del(br
->ofproto
, del
[i
]);
829 /* Iterate over this module's idea of interfaces in 'br'. Remove any ports
830 * that we didn't see when we iterated through the datapath, i.e. ports
831 * that disappeared underneath use. This is an unusual situation, but it
832 * can happen in some cases:
834 * - An admin runs a command like "ovs-dpctl del-port" (which is a bad
835 * idea but could happen).
837 * - The port represented a device that disappeared, e.g. a tuntap
838 * device destroyed via "tunctl -d", a physical Ethernet device
839 * whose module was just unloaded via "rmmod", or a virtual NIC for a
840 * VM whose VM was just terminated. */
841 HMAP_FOR_EACH_SAFE (port
, port_next
, hmap_node
, &br
->ports
) {
842 struct iface
*iface
, *iface_next
;
844 LIST_FOR_EACH_SAFE (iface
, iface_next
, port_elem
, &port
->ifaces
) {
845 if (!sset_contains(&ofproto_ports
, iface
->name
)) {
846 iface_destroy__(iface
);
850 if (list_is_empty(&port
->ifaces
)) {
854 sset_destroy(&ofproto_ports
);
858 bridge_add_ports__(struct bridge
*br
, const struct shash
*wanted_ports
,
859 bool with_requested_port
)
861 struct shash_node
*port_node
;
863 SHASH_FOR_EACH (port_node
, wanted_ports
) {
864 const struct ovsrec_port
*port_cfg
= port_node
->data
;
867 for (i
= 0; i
< port_cfg
->n_interfaces
; i
++) {
868 const struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[i
];
869 ofp_port_t requested_ofp_port
;
871 requested_ofp_port
= iface_get_requested_ofp_port(iface_cfg
);
872 if ((requested_ofp_port
!= OFPP_NONE
) == with_requested_port
) {
873 struct iface
*iface
= iface_lookup(br
, iface_cfg
->name
);
876 iface_create(br
, iface_cfg
, port_cfg
);
884 bridge_add_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
886 /* First add interfaces that request a particular port number. */
887 bridge_add_ports__(br
, wanted_ports
, true);
889 /* Then add interfaces that want automatic port number assignment.
890 * We add these afterward to avoid accidentally taking a specifically
891 * requested port number. */
892 bridge_add_ports__(br
, wanted_ports
, false);
896 port_configure(struct port
*port
)
898 const struct ovsrec_port
*cfg
= port
->cfg
;
899 struct bond_settings bond_settings
;
900 struct lacp_settings lacp_settings
;
901 struct ofproto_bundle_settings s
;
904 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
905 configure_splinter_port(port
);
914 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
915 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
916 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
921 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
925 /* Get VLAN trunks. */
928 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
932 if (cfg
->vlan_mode
) {
933 if (!strcmp(cfg
->vlan_mode
, "access")) {
934 s
.vlan_mode
= PORT_VLAN_ACCESS
;
935 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
936 s
.vlan_mode
= PORT_VLAN_TRUNK
;
937 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
938 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
939 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
940 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
942 /* This "can't happen" because ovsdb-server should prevent it. */
943 VLOG_WARN("port %s: unknown VLAN mode %s, falling "
944 "back to trunk mode", port
->name
, cfg
->vlan_mode
);
945 s
.vlan_mode
= PORT_VLAN_TRUNK
;
949 s
.vlan_mode
= PORT_VLAN_ACCESS
;
951 VLOG_WARN("port %s: ignoring trunks in favor of implicit vlan",
955 s
.vlan_mode
= PORT_VLAN_TRUNK
;
958 s
.use_priority_tags
= smap_get_bool(&cfg
->other_config
, "priority-tags",
961 /* Get LACP settings. */
962 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
966 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
967 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
968 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
971 s
.lacp_slaves
= NULL
;
974 /* Get bond settings. */
975 if (s
.n_slaves
> 1) {
976 s
.bond
= &bond_settings
;
977 port_configure_bond(port
, &bond_settings
);
980 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
981 netdev_set_miimon_interval(iface
->netdev
, 0);
986 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
994 /* Pick local port hardware address and datapath ID for 'br'. */
996 bridge_configure_datapath_id(struct bridge
*br
)
998 uint8_t ea
[ETH_ADDR_LEN
];
1000 struct iface
*local_iface
;
1001 struct iface
*hw_addr_iface
;
1004 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
1005 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
1007 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
1009 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1010 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
1011 "Ethernet address: %s",
1012 br
->name
, ovs_strerror(error
));
1015 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
1017 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
1018 if (dpid
!= ofproto_get_datapath_id(br
->ofproto
)) {
1019 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64
, br
->name
, dpid
);
1020 ofproto_set_datapath_id(br
->ofproto
, dpid
);
1023 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
1024 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
1028 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
1031 bridge_get_allowed_versions(struct bridge
*br
)
1033 if (!br
->cfg
->n_protocols
)
1036 return ofputil_versions_from_strings(br
->cfg
->protocols
,
1037 br
->cfg
->n_protocols
);
1040 /* Set NetFlow configuration on 'br'. */
1042 bridge_configure_netflow(struct bridge
*br
)
1044 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
1045 struct netflow_options opts
;
1048 ofproto_set_netflow(br
->ofproto
, NULL
);
1052 memset(&opts
, 0, sizeof opts
);
1054 /* Get default NetFlow configuration from datapath.
1055 * Apply overrides from 'cfg'. */
1056 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
1057 if (cfg
->engine_type
) {
1058 opts
.engine_type
= *cfg
->engine_type
;
1060 if (cfg
->engine_id
) {
1061 opts
.engine_id
= *cfg
->engine_id
;
1064 /* Configure active timeout interval. */
1065 opts
.active_timeout
= cfg
->active_timeout
;
1066 if (!opts
.active_timeout
) {
1067 opts
.active_timeout
= -1;
1068 } else if (opts
.active_timeout
< 0) {
1069 VLOG_WARN("bridge %s: active timeout interval set to negative "
1070 "value, using default instead (%d seconds)", br
->name
,
1071 NF_ACTIVE_TIMEOUT_DEFAULT
);
1072 opts
.active_timeout
= -1;
1075 /* Add engine ID to interface number to disambiguate bridgs? */
1076 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
1077 if (opts
.add_id_to_iface
) {
1078 if (opts
.engine_id
> 0x7f) {
1079 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
1080 "another vswitch, choose an engine id less than 128",
1083 if (hmap_count(&br
->ports
) > 508) {
1084 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
1085 "another port when more than 508 ports are used",
1091 sset_init(&opts
.collectors
);
1092 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
1095 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
1096 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
1098 sset_destroy(&opts
.collectors
);
1101 /* Set sFlow configuration on 'br'. */
1103 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
1105 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
1106 struct ovsrec_controller
**controllers
;
1107 struct ofproto_sflow_options oso
;
1108 size_t n_controllers
;
1112 ofproto_set_sflow(br
->ofproto
, NULL
);
1116 memset(&oso
, 0, sizeof oso
);
1118 sset_init(&oso
.targets
);
1119 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
1121 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1122 if (cfg
->sampling
) {
1123 oso
.sampling_rate
= *cfg
->sampling
;
1126 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
1128 oso
.polling_interval
= *cfg
->polling
;
1131 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
1133 oso
.header_len
= *cfg
->header
;
1136 oso
.sub_id
= (*sflow_bridge_number
)++;
1137 oso
.agent_device
= cfg
->agent
;
1139 oso
.control_ip
= NULL
;
1140 n_controllers
= bridge_get_controllers(br
, &controllers
);
1141 for (i
= 0; i
< n_controllers
; i
++) {
1142 if (controllers
[i
]->local_ip
) {
1143 oso
.control_ip
= controllers
[i
]->local_ip
;
1147 ofproto_set_sflow(br
->ofproto
, &oso
);
1149 sset_destroy(&oso
.targets
);
1152 /* Returns whether a IPFIX row is valid. */
1154 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix
*ipfix
)
1156 return ipfix
&& ipfix
->n_targets
> 0;
1159 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
1161 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set
*fscs
,
1162 const struct bridge
*br
)
1164 return ovsrec_ipfix_is_valid(fscs
->ipfix
) && fscs
->bridge
== br
->cfg
;
1167 /* Set IPFIX configuration on 'br'. */
1169 bridge_configure_ipfix(struct bridge
*br
)
1171 const struct ovsrec_ipfix
*be_cfg
= br
->cfg
->ipfix
;
1172 bool valid_be_cfg
= ovsrec_ipfix_is_valid(be_cfg
);
1173 const struct ovsrec_flow_sample_collector_set
*fe_cfg
;
1174 struct ofproto_ipfix_bridge_exporter_options be_opts
;
1175 struct ofproto_ipfix_flow_exporter_options
*fe_opts
= NULL
;
1176 size_t n_fe_opts
= 0;
1178 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1179 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1184 if (!valid_be_cfg
&& n_fe_opts
== 0) {
1185 ofproto_set_ipfix(br
->ofproto
, NULL
, NULL
, 0);
1190 memset(&be_opts
, 0, sizeof be_opts
);
1192 sset_init(&be_opts
.targets
);
1193 sset_add_array(&be_opts
.targets
, be_cfg
->targets
, be_cfg
->n_targets
);
1195 if (be_cfg
->sampling
) {
1196 be_opts
.sampling_rate
= *be_cfg
->sampling
;
1198 be_opts
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1200 if (be_cfg
->obs_domain_id
) {
1201 be_opts
.obs_domain_id
= *be_cfg
->obs_domain_id
;
1203 if (be_cfg
->obs_point_id
) {
1204 be_opts
.obs_point_id
= *be_cfg
->obs_point_id
;
1206 if (be_cfg
->cache_active_timeout
) {
1207 be_opts
.cache_active_timeout
= *be_cfg
->cache_active_timeout
;
1209 if (be_cfg
->cache_max_flows
) {
1210 be_opts
.cache_max_flows
= *be_cfg
->cache_max_flows
;
1213 be_opts
.enable_tunnel_sampling
= smap_get_bool(&be_cfg
->other_config
,
1214 "enable-tunnel-sampling", true);
1216 be_opts
.enable_input_sampling
= !smap_get_bool(&be_cfg
->other_config
,
1217 "enable-input-sampling", false);
1219 be_opts
.enable_output_sampling
= !smap_get_bool(&be_cfg
->other_config
,
1220 "enable-output-sampling", false);
1223 if (n_fe_opts
> 0) {
1224 struct ofproto_ipfix_flow_exporter_options
*opts
;
1225 fe_opts
= xcalloc(n_fe_opts
, sizeof *fe_opts
);
1227 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1228 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1229 opts
->collector_set_id
= fe_cfg
->id
;
1230 sset_init(&opts
->targets
);
1231 sset_add_array(&opts
->targets
, fe_cfg
->ipfix
->targets
,
1232 fe_cfg
->ipfix
->n_targets
);
1233 opts
->cache_active_timeout
= fe_cfg
->ipfix
->cache_active_timeout
1234 ? *fe_cfg
->ipfix
->cache_active_timeout
: 0;
1235 opts
->cache_max_flows
= fe_cfg
->ipfix
->cache_max_flows
1236 ? *fe_cfg
->ipfix
->cache_max_flows
: 0;
1242 ofproto_set_ipfix(br
->ofproto
, valid_be_cfg
? &be_opts
: NULL
, fe_opts
,
1246 sset_destroy(&be_opts
.targets
);
1249 if (n_fe_opts
> 0) {
1250 struct ofproto_ipfix_flow_exporter_options
*opts
= fe_opts
;
1252 for (i
= 0; i
< n_fe_opts
; i
++) {
1253 sset_destroy(&opts
->targets
);
1261 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
1262 struct ofproto_port_stp_settings
*port_s
,
1263 int *port_num_counter
, unsigned long *port_num_bitmap
)
1265 const char *config_str
;
1266 struct iface
*iface
;
1268 if (!smap_get_bool(&port
->cfg
->other_config
, "stp-enable", true)) {
1269 port_s
->enable
= false;
1272 port_s
->enable
= true;
1275 /* STP over bonds is not supported. */
1276 if (!list_is_singleton(&port
->ifaces
)) {
1277 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1279 port_s
->enable
= false;
1283 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1285 /* Internal ports shouldn't participate in spanning tree, so
1287 if (!strcmp(iface
->type
, "internal")) {
1288 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
1289 port_s
->enable
= false;
1293 /* STP on mirror output ports is not supported. */
1294 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1295 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
1296 port_s
->enable
= false;
1300 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-num");
1302 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1303 int port_idx
= port_num
- 1;
1305 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
1306 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
1307 port_s
->enable
= false;
1311 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
1312 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1313 port
->name
, port_num
);
1314 port_s
->enable
= false;
1317 bitmap_set1(port_num_bitmap
, port_idx
);
1318 port_s
->port_num
= port_idx
;
1320 if (*port_num_counter
>= STP_MAX_PORTS
) {
1321 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
1322 port_s
->enable
= false;
1326 port_s
->port_num
= (*port_num_counter
)++;
1329 config_str
= smap_get(&port
->cfg
->other_config
, "stp-path-cost");
1331 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1333 enum netdev_features current
;
1336 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1337 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1338 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
1341 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-priority");
1343 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1345 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
1350 port_configure_rstp(const struct ofproto
*ofproto
, struct port
*port
,
1351 struct ofproto_port_rstp_settings
*port_s
, int *port_num_counter
)
1353 const char *config_str
;
1354 struct iface
*iface
;
1356 if (!smap_get_bool(&port
->cfg
->other_config
, "rstp-enable", true)) {
1357 port_s
->enable
= false;
1360 port_s
->enable
= true;
1363 /* RSTP over bonds is not supported. */
1364 if (!list_is_singleton(&port
->ifaces
)) {
1365 VLOG_ERR("port %s: cannot enable RSTP on bonds, disabling",
1367 port_s
->enable
= false;
1371 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1373 /* Internal ports shouldn't participate in spanning tree, so
1375 if (!strcmp(iface
->type
, "internal")) {
1376 VLOG_DBG("port %s: disable RSTP on internal ports", port
->name
);
1377 port_s
->enable
= false;
1381 /* RSTP on mirror output ports is not supported. */
1382 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1383 VLOG_DBG("port %s: disable RSTP on mirror ports", port
->name
);
1384 port_s
->enable
= false;
1388 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-port-num");
1390 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1391 if (port_num
< 1 || port_num
> RSTP_MAX_PORTS
) {
1392 VLOG_ERR("port %s: invalid rstp-port-num", port
->name
);
1393 port_s
->enable
= false;
1396 port_s
->port_num
= port_num
;
1398 if (*port_num_counter
>= RSTP_MAX_PORTS
) {
1399 VLOG_ERR("port %s: too many RSTP ports, disabling", port
->name
);
1400 port_s
->enable
= false;
1403 /* If rstp-port-num is not specified, use 0.
1404 * rstp_port_set_port_number() will look for the first free one. */
1405 port_s
->port_num
= 0;
1408 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-path-cost");
1410 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1412 enum netdev_features current
;
1415 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1416 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1417 port_s
->path_cost
= rstp_convert_speed_to_cost(mbps
);
1420 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-port-priority");
1422 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1424 port_s
->priority
= RSTP_DEFAULT_PORT_PRIORITY
;
1427 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-admin-p2p-mac");
1429 port_s
->admin_p2p_mac_state
= strtoul(config_str
, NULL
, 0);
1431 port_s
->admin_p2p_mac_state
= RSTP_ADMIN_P2P_MAC_FORCE_TRUE
;
1434 port_s
->admin_port_state
= smap_get_bool(&port
->cfg
->other_config
,
1435 "rstp-admin-port-state", true);
1437 port_s
->admin_edge_port
= smap_get_bool(&port
->cfg
->other_config
,
1438 "rstp-port-admin-edge", false);
1439 port_s
->auto_edge
= smap_get_bool(&port
->cfg
->other_config
,
1440 "rstp-port-auto-edge", true);
1441 port_s
->mcheck
= smap_get_bool(&port
->cfg
->other_config
,
1442 "rstp-port-mcheck", false);
1445 /* Set spanning tree configuration on 'br'. */
1447 bridge_configure_stp(struct bridge
*br
)
1449 struct ofproto_rstp_status rstp_status
;
1451 ofproto_get_rstp_status(br
->ofproto
, &rstp_status
);
1452 if (!br
->cfg
->stp_enable
) {
1453 ofproto_set_stp(br
->ofproto
, NULL
);
1454 } else if (rstp_status
.enabled
) {
1455 /* Do not activate STP if RSTP is enabled. */
1456 VLOG_ERR("STP cannot be enabled if RSTP is running.");
1457 ofproto_set_stp(br
->ofproto
, NULL
);
1458 ovsrec_bridge_set_stp_enable(br
->cfg
, false);
1460 struct ofproto_stp_settings br_s
;
1461 const char *config_str
;
1463 int port_num_counter
;
1464 unsigned long *port_num_bitmap
;
1466 config_str
= smap_get(&br
->cfg
->other_config
, "stp-system-id");
1468 uint8_t ea
[ETH_ADDR_LEN
];
1470 if (eth_addr_from_string(config_str
, ea
)) {
1471 br_s
.system_id
= eth_addr_to_uint64(ea
);
1473 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1474 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1475 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1478 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1481 config_str
= smap_get(&br
->cfg
->other_config
, "stp-priority");
1483 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1485 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
1488 config_str
= smap_get(&br
->cfg
->other_config
, "stp-hello-time");
1490 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
1492 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
1495 config_str
= smap_get(&br
->cfg
->other_config
, "stp-max-age");
1497 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
1499 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
1502 config_str
= smap_get(&br
->cfg
->other_config
, "stp-forward-delay");
1504 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
1506 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
1509 /* Configure STP on the bridge. */
1510 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
1511 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
1515 /* Users must either set the port number with the "stp-port-num"
1516 * configuration on all ports or none. If manual configuration
1517 * is not done, then we allocate them sequentially. */
1518 port_num_counter
= 0;
1519 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
1520 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1521 struct ofproto_port_stp_settings port_s
;
1522 struct iface
*iface
;
1524 port_configure_stp(br
->ofproto
, port
, &port_s
,
1525 &port_num_counter
, port_num_bitmap
);
1527 /* As bonds are not supported, just apply configuration to
1528 * all interfaces. */
1529 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1530 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
1532 VLOG_ERR("port %s: could not enable STP", port
->name
);
1538 if (bitmap_scan(port_num_bitmap
, 1, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
1539 && port_num_counter
) {
1540 VLOG_ERR("bridge %s: must manually configure all STP port "
1541 "IDs or none, disabling", br
->name
);
1542 ofproto_set_stp(br
->ofproto
, NULL
);
1544 bitmap_free(port_num_bitmap
);
1549 bridge_configure_rstp(struct bridge
*br
)
1551 struct ofproto_stp_status stp_status
;
1553 ofproto_get_stp_status(br
->ofproto
, &stp_status
);
1554 if (!br
->cfg
->rstp_enable
) {
1555 ofproto_set_rstp(br
->ofproto
, NULL
);
1556 } else if (stp_status
.enabled
) {
1557 /* Do not activate RSTP if STP is enabled. */
1558 VLOG_ERR("RSTP cannot be enabled if STP is running.");
1559 ofproto_set_rstp(br
->ofproto
, NULL
);
1560 ovsrec_bridge_set_rstp_enable(br
->cfg
, false);
1562 struct ofproto_rstp_settings br_s
;
1563 const char *config_str
;
1565 int port_num_counter
;
1567 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-address");
1569 uint8_t ea
[ETH_ADDR_LEN
];
1571 if (eth_addr_from_string(config_str
, ea
)) {
1572 br_s
.address
= eth_addr_to_uint64(ea
);
1575 br_s
.address
= eth_addr_to_uint64(br
->ea
);
1576 VLOG_ERR("bridge %s: invalid rstp-address, defaulting "
1577 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1581 br_s
.address
= eth_addr_to_uint64(br
->ea
);
1584 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-priority");
1586 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1588 br_s
.priority
= RSTP_DEFAULT_PRIORITY
;
1591 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-ageing-time");
1593 br_s
.ageing_time
= strtoul(config_str
, NULL
, 0);
1595 br_s
.ageing_time
= RSTP_DEFAULT_AGEING_TIME
;
1598 config_str
= smap_get(&br
->cfg
->other_config
,
1599 "rstp-force-protocol-version");
1601 br_s
.force_protocol_version
= strtoul(config_str
, NULL
, 0);
1603 br_s
.force_protocol_version
= FPV_DEFAULT
;
1606 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-max-age");
1608 br_s
.bridge_max_age
= strtoul(config_str
, NULL
, 10);
1610 br_s
.bridge_max_age
= RSTP_DEFAULT_BRIDGE_MAX_AGE
;
1613 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-forward-delay");
1615 br_s
.bridge_forward_delay
= strtoul(config_str
, NULL
, 10);
1617 br_s
.bridge_forward_delay
= RSTP_DEFAULT_BRIDGE_FORWARD_DELAY
;
1620 config_str
= smap_get(&br
->cfg
->other_config
,
1621 "rstp-transmit-hold-count");
1623 br_s
.transmit_hold_count
= strtoul(config_str
, NULL
, 10);
1625 br_s
.transmit_hold_count
= RSTP_DEFAULT_TRANSMIT_HOLD_COUNT
;
1628 /* Configure RSTP on the bridge. */
1629 if (ofproto_set_rstp(br
->ofproto
, &br_s
)) {
1630 VLOG_ERR("bridge %s: could not enable RSTP", br
->name
);
1634 port_num_counter
= 0;
1635 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1636 struct ofproto_port_rstp_settings port_s
;
1637 struct iface
*iface
;
1639 port_configure_rstp(br
->ofproto
, port
, &port_s
,
1642 /* As bonds are not supported, just apply configuration to
1643 * all interfaces. */
1644 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1645 if (ofproto_port_set_rstp(br
->ofproto
, iface
->ofp_port
,
1647 VLOG_ERR("port %s: could not enable RSTP", port
->name
);
1656 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
1658 const struct port
*port
= port_lookup(br
, name
);
1659 return port
&& port_is_bond_fake_iface(port
);
1663 port_is_bond_fake_iface(const struct port
*port
)
1665 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
1669 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
1671 struct bridge
*br
, *next
;
1672 struct shash new_br
;
1675 /* Collect new bridges' names and types. */
1676 shash_init(&new_br
);
1677 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1678 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1679 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1681 if (strchr(br_cfg
->name
, '/')) {
1682 /* Prevent remote ovsdb-server users from accessing arbitrary
1683 * directories, e.g. consider a bridge named "../../../etc/". */
1684 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1686 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1687 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1691 /* Get rid of deleted bridges or those whose types have changed.
1692 * Update 'cfg' of bridges that still exist. */
1693 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1694 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1695 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1696 br
->cfg
->datapath_type
))) {
1701 /* Add new bridges. */
1702 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1703 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1704 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1706 bridge_create(br_cfg
);
1710 shash_destroy(&new_br
);
1713 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1714 * Returns 0 if successful, otherwise a positive errno value. */
1716 iface_set_netdev_config(const struct ovsrec_interface
*iface_cfg
,
1717 struct netdev
*netdev
, char **errp
)
1719 return netdev_set_config(netdev
, &iface_cfg
->options
, errp
);
1722 /* Opens a network device for 'if_cfg' and configures it. Adds the network
1723 * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'.
1725 * If successful, returns 0 and stores the network device in '*netdevp'. On
1726 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1728 iface_do_create(const struct bridge
*br
,
1729 const struct ovsrec_interface
*iface_cfg
,
1730 const struct ovsrec_port
*port_cfg
,
1731 ofp_port_t
*ofp_portp
, struct netdev
**netdevp
,
1734 struct netdev
*netdev
= NULL
;
1737 if (netdev_is_reserved_name(iface_cfg
->name
)) {
1738 VLOG_WARN("could not create interface %s, name is reserved",
1744 error
= netdev_open(iface_cfg
->name
,
1745 iface_get_type(iface_cfg
, br
->cfg
), &netdev
);
1747 VLOG_WARN_BUF(errp
, "could not open network device %s (%s)",
1748 iface_cfg
->name
, ovs_strerror(error
));
1752 error
= iface_set_netdev_config(iface_cfg
, netdev
, errp
);
1757 *ofp_portp
= iface_pick_ofport(iface_cfg
);
1758 error
= ofproto_port_add(br
->ofproto
, netdev
, ofp_portp
);
1763 VLOG_INFO("bridge %s: added interface %s on port %d",
1764 br
->name
, iface_cfg
->name
, *ofp_portp
);
1766 if (port_cfg
->vlan_mode
&& !strcmp(port_cfg
->vlan_mode
, "splinter")) {
1767 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
1775 netdev_close(netdev
);
1779 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1780 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1781 * automatically allocated for the iface. Takes ownership of and
1782 * deallocates 'if_cfg'.
1784 * Return true if an iface is successfully created, false otherwise. */
1786 iface_create(struct bridge
*br
, const struct ovsrec_interface
*iface_cfg
,
1787 const struct ovsrec_port
*port_cfg
)
1789 struct netdev
*netdev
;
1790 struct iface
*iface
;
1791 ofp_port_t ofp_port
;
1796 /* Do the bits that can fail up front. */
1797 ovs_assert(!iface_lookup(br
, iface_cfg
->name
));
1798 error
= iface_do_create(br
, iface_cfg
, port_cfg
, &ofp_port
, &netdev
, &errp
);
1800 iface_clear_db_record(iface_cfg
, errp
);
1805 /* Get or create the port structure. */
1806 port
= port_lookup(br
, port_cfg
->name
);
1808 port
= port_create(br
, port_cfg
);
1811 /* Create the iface structure. */
1812 iface
= xzalloc(sizeof *iface
);
1813 list_push_back(&port
->ifaces
, &iface
->port_elem
);
1814 hmap_insert(&br
->iface_by_name
, &iface
->name_node
,
1815 hash_string(iface_cfg
->name
, 0));
1817 iface
->name
= xstrdup(iface_cfg
->name
);
1818 iface
->ofp_port
= ofp_port
;
1819 iface
->netdev
= netdev
;
1820 iface
->type
= iface_get_type(iface_cfg
, br
->cfg
);
1821 iface
->cfg
= iface_cfg
;
1822 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
,
1823 hash_ofp_port(ofp_port
));
1825 /* Populate initial status in database. */
1826 iface_refresh_stats(iface
);
1827 iface_refresh_netdev_status(iface
);
1829 /* Add bond fake iface if necessary. */
1830 if (port_is_bond_fake_iface(port
)) {
1831 struct ofproto_port ofproto_port
;
1833 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1835 struct netdev
*netdev
;
1838 error
= netdev_open(port
->name
, "internal", &netdev
);
1840 ofp_port_t fake_ofp_port
= OFPP_NONE
;
1841 ofproto_port_add(br
->ofproto
, netdev
, &fake_ofp_port
);
1842 netdev_close(netdev
);
1844 VLOG_WARN("could not open network device %s (%s)",
1845 port
->name
, ovs_strerror(error
));
1848 /* Already exists, nothing to do. */
1849 ofproto_port_destroy(&ofproto_port
);
1856 /* Set forward BPDU option. */
1858 bridge_configure_forward_bpdu(struct bridge
*br
)
1860 ofproto_set_forward_bpdu(br
->ofproto
,
1861 smap_get_bool(&br
->cfg
->other_config
,
1866 /* Set MAC learning table configuration for 'br'. */
1868 bridge_configure_mac_table(struct bridge
*br
)
1870 const char *idle_time_str
;
1873 const char *mac_table_size_str
;
1876 idle_time_str
= smap_get(&br
->cfg
->other_config
, "mac-aging-time");
1877 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1878 ? atoi(idle_time_str
)
1879 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1881 mac_table_size_str
= smap_get(&br
->cfg
->other_config
, "mac-table-size");
1882 mac_table_size
= (mac_table_size_str
&& atoi(mac_table_size_str
)
1883 ? atoi(mac_table_size_str
)
1886 ofproto_set_mac_table_config(br
->ofproto
, idle_time
, mac_table_size
);
1889 /* Set multicast snooping table configuration for 'br'. */
1891 bridge_configure_mcast_snooping(struct bridge
*br
)
1893 if (!br
->cfg
->mcast_snooping_enable
) {
1894 ofproto_set_mcast_snooping(br
->ofproto
, NULL
);
1897 struct ofproto_mcast_snooping_settings br_s
;
1898 const char *idle_time_str
;
1899 const char *max_entries_str
;
1901 idle_time_str
= smap_get(&br
->cfg
->other_config
,
1902 "mcast-snooping-aging-time");
1903 br_s
.idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1904 ? atoi(idle_time_str
)
1905 : MCAST_ENTRY_DEFAULT_IDLE_TIME
);
1907 max_entries_str
= smap_get(&br
->cfg
->other_config
,
1908 "mcast-snooping-table-size");
1909 br_s
.max_entries
= (max_entries_str
&& atoi(max_entries_str
)
1910 ? atoi(max_entries_str
)
1911 : MCAST_DEFAULT_MAX_ENTRIES
);
1913 br_s
.flood_unreg
= !smap_get_bool(&br
->cfg
->other_config
,
1914 "mcast-snooping-disable-flood-unregistered",
1917 /* Configure multicast snooping on the bridge */
1918 if (ofproto_set_mcast_snooping(br
->ofproto
, &br_s
)) {
1919 VLOG_ERR("bridge %s: could not enable multicast snooping",
1924 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1925 struct ofproto_mcast_snooping_port_settings port_s
;
1926 port_s
.flood
= smap_get_bool(&port
->cfg
->other_config
,
1927 "mcast-snooping-flood", false);
1928 port_s
.flood_reports
= smap_get_bool(&port
->cfg
->other_config
,
1929 "mcast-snooping-flood-reports", false);
1930 if (ofproto_port_set_mcast_snooping(br
->ofproto
, port
, &port_s
)) {
1931 VLOG_ERR("port %s: could not configure mcast snooping",
1939 find_local_hw_addr(const struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1940 const struct port
*fake_br
, struct iface
**hw_addr_iface
)
1942 struct hmapx mirror_output_ports
;
1944 bool found_addr
= false;
1948 /* Mirror output ports don't participate in picking the local hardware
1949 * address. ofproto can't help us find out whether a given port is a
1950 * mirror output because we haven't configured mirrors yet, so we need to
1951 * accumulate them ourselves. */
1952 hmapx_init(&mirror_output_ports
);
1953 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1954 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1955 if (m
->output_port
) {
1956 hmapx_add(&mirror_output_ports
, m
->output_port
);
1960 /* Otherwise choose the minimum non-local MAC address among all of the
1962 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1963 uint8_t iface_ea
[ETH_ADDR_LEN
];
1964 struct iface
*candidate
;
1965 struct iface
*iface
;
1967 /* Mirror output ports don't participate. */
1968 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1972 /* Choose the MAC address to represent the port. */
1974 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1975 /* Find the interface with this Ethernet address (if any) so that
1976 * we can provide the correct devname to the caller. */
1977 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1978 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1979 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1980 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1985 /* Choose the interface whose MAC address will represent the port.
1986 * The Linux kernel bonding code always chooses the MAC address of
1987 * the first slave added to a bond, and the Fedora networking
1988 * scripts always add slaves to a bond in alphabetical order, so
1989 * for compatibility we choose the interface with the name that is
1990 * first in alphabetical order. */
1991 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1992 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1997 /* The local port doesn't count (since we're trying to choose its
1998 * MAC address anyway). */
1999 if (iface
->ofp_port
== OFPP_LOCAL
) {
2003 /* For fake bridges we only choose from ports with the same tag */
2004 if (fake_br
&& fake_br
->cfg
&& fake_br
->cfg
->tag
) {
2005 if (!port
->cfg
->tag
) {
2008 if (*port
->cfg
->tag
!= *fake_br
->cfg
->tag
) {
2014 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
2020 /* Compare against our current choice. */
2021 if (!eth_addr_is_multicast(iface_ea
) &&
2022 !eth_addr_is_local(iface_ea
) &&
2023 !eth_addr_is_reserved(iface_ea
) &&
2024 !eth_addr_is_zero(iface_ea
) &&
2025 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
2027 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
2028 *hw_addr_iface
= iface
;
2034 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
2035 *hw_addr_iface
= NULL
;
2038 hmapx_destroy(&mirror_output_ports
);
2042 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
2043 struct iface
**hw_addr_iface
)
2046 *hw_addr_iface
= NULL
;
2048 /* Did the user request a particular MAC? */
2049 hwaddr
= smap_get(&br
->cfg
->other_config
, "hwaddr");
2050 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
2051 if (eth_addr_is_multicast(ea
)) {
2052 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
2053 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
2054 } else if (eth_addr_is_zero(ea
)) {
2055 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
2061 /* Find a local hw address */
2062 find_local_hw_addr(br
, ea
, NULL
, hw_addr_iface
);
2065 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
2066 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
2067 * an interface on 'br', then that interface must be passed in as
2068 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
2069 * 'hw_addr_iface' must be passed in as a null pointer. */
2071 bridge_pick_datapath_id(struct bridge
*br
,
2072 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
2073 struct iface
*hw_addr_iface
)
2076 * The procedure for choosing a bridge MAC address will, in the most
2077 * ordinary case, also choose a unique MAC that we can use as a datapath
2078 * ID. In some special cases, though, multiple bridges will end up with
2079 * the same MAC address. This is OK for the bridges, but it will confuse
2080 * the OpenFlow controller, because each datapath needs a unique datapath
2083 * Datapath IDs must be unique. It is also very desirable that they be
2084 * stable from one run to the next, so that policy set on a datapath
2087 const char *datapath_id
;
2090 datapath_id
= smap_get(&br
->cfg
->other_config
, "datapath-id");
2091 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
2095 if (!hw_addr_iface
) {
2097 * A purely internal bridge, that is, one that has no non-virtual
2098 * network devices on it at all, is difficult because it has no
2099 * natural unique identifier at all.
2101 * When the host is a XenServer, we handle this case by hashing the
2102 * host's UUID with the name of the bridge. Names of bridges are
2103 * persistent across XenServer reboots, although they can be reused if
2104 * an internal network is destroyed and then a new one is later
2105 * created, so this is fairly effective.
2107 * When the host is not a XenServer, we punt by using a random MAC
2108 * address on each run.
2110 const char *host_uuid
= xenserver_get_host_uuid();
2112 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
2113 dpid
= dpid_from_hash(combined
, strlen(combined
));
2119 return eth_addr_to_uint64(bridge_ea
);
2123 dpid_from_hash(const void *data
, size_t n
)
2125 uint8_t hash
[SHA1_DIGEST_SIZE
];
2127 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
2128 sha1_bytes(data
, n
, hash
);
2129 eth_addr_mark_random(hash
);
2130 return eth_addr_to_uint64(hash
);
2134 iface_refresh_netdev_status(struct iface
*iface
)
2138 enum netdev_features current
;
2139 enum netdev_flags flags
;
2140 const char *link_state
;
2141 uint8_t mac
[ETH_ADDR_LEN
];
2142 int64_t bps
, mtu_64
, ifindex64
, link_resets
;
2145 if (iface_is_synthetic(iface
)) {
2149 if (iface
->change_seq
== netdev_get_change_seq(iface
->netdev
)
2150 && !status_txn_try_again
) {
2154 iface
->change_seq
= netdev_get_change_seq(iface
->netdev
);
2158 if (!netdev_get_status(iface
->netdev
, &smap
)) {
2159 ovsrec_interface_set_status(iface
->cfg
, &smap
);
2161 ovsrec_interface_set_status(iface
->cfg
, NULL
);
2164 smap_destroy(&smap
);
2166 error
= netdev_get_flags(iface
->netdev
, &flags
);
2168 const char *state
= flags
& NETDEV_UP
? "up" : "down";
2170 ovsrec_interface_set_admin_state(iface
->cfg
, state
);
2172 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
2175 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
2176 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
2178 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
2179 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
2181 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
2182 bps
= !error
? netdev_features_to_bps(current
, 0) : 0;
2184 ovsrec_interface_set_duplex(iface
->cfg
,
2185 netdev_features_is_full_duplex(current
)
2187 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
2189 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
2190 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
2193 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
2196 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
2198 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
2201 error
= netdev_get_etheraddr(iface
->netdev
, mac
);
2203 char mac_string
[32];
2205 sprintf(mac_string
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
2206 ovsrec_interface_set_mac_in_use(iface
->cfg
, mac_string
);
2208 ovsrec_interface_set_mac_in_use(iface
->cfg
, NULL
);
2211 /* The netdev may return a negative number (such as -EOPNOTSUPP)
2212 * if there is no valid ifindex number. */
2213 ifindex64
= netdev_get_ifindex(iface
->netdev
);
2214 if (ifindex64
< 0) {
2217 ovsrec_interface_set_ifindex(iface
->cfg
, &ifindex64
, 1);
2221 iface_refresh_ofproto_status(struct iface
*iface
)
2225 if (iface_is_synthetic(iface
)) {
2229 current
= ofproto_port_is_lacp_current(iface
->port
->bridge
->ofproto
,
2233 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
2235 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
2238 if (ofproto_port_cfm_status_changed(iface
->port
->bridge
->ofproto
,
2240 || status_txn_try_again
) {
2241 iface_refresh_cfm_stats(iface
);
2244 if (ofproto_port_bfd_status_changed(iface
->port
->bridge
->ofproto
,
2246 || status_txn_try_again
) {
2250 ofproto_port_get_bfd_status(iface
->port
->bridge
->ofproto
,
2251 iface
->ofp_port
, &smap
);
2252 ovsrec_interface_set_bfd_status(iface
->cfg
, &smap
);
2253 smap_destroy(&smap
);
2257 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
2260 iface_refresh_cfm_stats(struct iface
*iface
)
2262 const struct ovsrec_interface
*cfg
= iface
->cfg
;
2263 struct cfm_status status
;
2266 error
= ofproto_port_get_cfm_status(iface
->port
->bridge
->ofproto
,
2267 iface
->ofp_port
, &status
);
2269 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
2270 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
2271 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
2272 ovsrec_interface_set_cfm_flap_count(cfg
, NULL
, 0);
2273 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
2274 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
2276 const char *reasons
[CFM_FAULT_N_REASONS
];
2277 int64_t cfm_health
= status
.health
;
2278 int64_t cfm_flap_count
= status
.flap_count
;
2279 bool faulted
= status
.faults
!= 0;
2282 ovsrec_interface_set_cfm_fault(cfg
, &faulted
, 1);
2285 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
2286 int reason
= 1 << i
;
2287 if (status
.faults
& reason
) {
2288 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
2291 ovsrec_interface_set_cfm_fault_status(cfg
, reasons
, j
);
2293 ovsrec_interface_set_cfm_flap_count(cfg
, &cfm_flap_count
, 1);
2295 if (status
.remote_opstate
>= 0) {
2296 const char *remote_opstate
= status
.remote_opstate
? "up" : "down";
2297 ovsrec_interface_set_cfm_remote_opstate(cfg
, remote_opstate
);
2299 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
2302 ovsrec_interface_set_cfm_remote_mpids(cfg
,
2303 (const int64_t *)status
.rmps
,
2305 if (cfm_health
>= 0) {
2306 ovsrec_interface_set_cfm_health(cfg
, &cfm_health
, 1);
2308 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
2316 iface_refresh_stats(struct iface
*iface
)
2318 #define IFACE_STATS \
2319 IFACE_STAT(rx_packets, "rx_packets") \
2320 IFACE_STAT(tx_packets, "tx_packets") \
2321 IFACE_STAT(rx_bytes, "rx_bytes") \
2322 IFACE_STAT(tx_bytes, "tx_bytes") \
2323 IFACE_STAT(rx_dropped, "rx_dropped") \
2324 IFACE_STAT(tx_dropped, "tx_dropped") \
2325 IFACE_STAT(rx_errors, "rx_errors") \
2326 IFACE_STAT(tx_errors, "tx_errors") \
2327 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
2328 IFACE_STAT(rx_over_errors, "rx_over_err") \
2329 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
2330 IFACE_STAT(collisions, "collisions")
2332 #define IFACE_STAT(MEMBER, NAME) + 1
2333 enum { N_IFACE_STATS
= IFACE_STATS
};
2335 int64_t values
[N_IFACE_STATS
];
2336 const char *keys
[N_IFACE_STATS
];
2339 struct netdev_stats stats
;
2341 if (iface_is_synthetic(iface
)) {
2345 /* Intentionally ignore return value, since errors will set 'stats' to
2346 * all-1s, and we will deal with that correctly below. */
2347 netdev_get_stats(iface
->netdev
, &stats
);
2349 /* Copy statistics into keys[] and values[]. */
2351 #define IFACE_STAT(MEMBER, NAME) \
2352 if (stats.MEMBER != UINT64_MAX) { \
2354 values[n] = stats.MEMBER; \
2359 ovs_assert(n
<= N_IFACE_STATS
);
2361 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
, n
);
2366 br_refresh_datapath_info(struct bridge
*br
)
2368 const char *version
;
2370 version
= (br
->ofproto
&& br
->ofproto
->ofproto_class
->get_datapath_version
2371 ? br
->ofproto
->ofproto_class
->get_datapath_version(br
->ofproto
)
2374 ovsrec_bridge_set_datapath_version(br
->cfg
,
2375 version
? version
: "<unknown>");
2379 br_refresh_stp_status(struct bridge
*br
)
2381 struct smap smap
= SMAP_INITIALIZER(&smap
);
2382 struct ofproto
*ofproto
= br
->ofproto
;
2383 struct ofproto_stp_status status
;
2385 if (ofproto_get_stp_status(ofproto
, &status
)) {
2389 if (!status
.enabled
) {
2390 ovsrec_bridge_set_status(br
->cfg
, NULL
);
2394 smap_add_format(&smap
, "stp_bridge_id", STP_ID_FMT
,
2395 STP_ID_ARGS(status
.bridge_id
));
2396 smap_add_format(&smap
, "stp_designated_root", STP_ID_FMT
,
2397 STP_ID_ARGS(status
.designated_root
));
2398 smap_add_format(&smap
, "stp_root_path_cost", "%d", status
.root_path_cost
);
2400 ovsrec_bridge_set_status(br
->cfg
, &smap
);
2401 smap_destroy(&smap
);
2405 port_refresh_stp_status(struct port
*port
)
2407 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2408 struct iface
*iface
;
2409 struct ofproto_port_stp_status status
;
2412 if (port_is_synthetic(port
)) {
2416 /* STP doesn't currently support bonds. */
2417 if (!list_is_singleton(&port
->ifaces
)) {
2418 ovsrec_port_set_status(port
->cfg
, NULL
);
2422 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2423 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
2427 if (!status
.enabled
) {
2428 ovsrec_port_set_status(port
->cfg
, NULL
);
2432 /* Set Status column. */
2434 smap_add_format(&smap
, "stp_port_id", STP_PORT_ID_FMT
, status
.port_id
);
2435 smap_add(&smap
, "stp_state", stp_state_name(status
.state
));
2436 smap_add_format(&smap
, "stp_sec_in_state", "%u", status
.sec_in_state
);
2437 smap_add(&smap
, "stp_role", stp_role_name(status
.role
));
2438 ovsrec_port_set_status(port
->cfg
, &smap
);
2439 smap_destroy(&smap
);
2443 port_refresh_stp_stats(struct port
*port
)
2445 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2446 struct iface
*iface
;
2447 struct ofproto_port_stp_stats stats
;
2448 const char *keys
[3];
2449 int64_t int_values
[3];
2451 if (port_is_synthetic(port
)) {
2455 /* STP doesn't currently support bonds. */
2456 if (!list_is_singleton(&port
->ifaces
)) {
2460 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2461 if (ofproto_port_get_stp_stats(ofproto
, iface
->ofp_port
, &stats
)) {
2465 if (!stats
.enabled
) {
2466 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
2470 /* Set Statistics column. */
2471 keys
[0] = "stp_tx_count";
2472 int_values
[0] = stats
.tx_count
;
2473 keys
[1] = "stp_rx_count";
2474 int_values
[1] = stats
.rx_count
;
2475 keys
[2] = "stp_error_count";
2476 int_values
[2] = stats
.error_count
;
2478 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
2479 ARRAY_SIZE(int_values
));
2483 br_refresh_rstp_status(struct bridge
*br
)
2485 struct smap smap
= SMAP_INITIALIZER(&smap
);
2486 struct ofproto
*ofproto
= br
->ofproto
;
2487 struct ofproto_rstp_status status
;
2489 if (ofproto_get_rstp_status(ofproto
, &status
)) {
2492 if (!status
.enabled
) {
2493 ovsrec_bridge_set_rstp_status(br
->cfg
, NULL
);
2496 smap_add_format(&smap
, "rstp_bridge_id", RSTP_ID_FMT
,
2497 RSTP_ID_ARGS(status
.bridge_id
));
2498 smap_add_format(&smap
, "rstp_root_path_cost", "%"PRIu32
,
2499 status
.root_path_cost
);
2500 smap_add_format(&smap
, "rstp_root_id", RSTP_ID_FMT
,
2501 RSTP_ID_ARGS(status
.root_id
));
2502 smap_add_format(&smap
, "rstp_designated_id", RSTP_ID_FMT
,
2503 RSTP_ID_ARGS(status
.designated_id
));
2504 smap_add_format(&smap
, "rstp_designated_port_id", RSTP_PORT_ID_FMT
,
2505 status
.designated_port_id
);
2506 smap_add_format(&smap
, "rstp_bridge_port_id", RSTP_PORT_ID_FMT
,
2507 status
.bridge_port_id
);
2508 ovsrec_bridge_set_rstp_status(br
->cfg
, &smap
);
2509 smap_destroy(&smap
);
2513 port_refresh_rstp_status(struct port
*port
)
2515 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2516 struct iface
*iface
;
2517 struct ofproto_port_rstp_status status
;
2518 const char *keys
[4];
2519 int64_t int_values
[4];
2522 if (port_is_synthetic(port
)) {
2526 /* RSTP doesn't currently support bonds. */
2527 if (!list_is_singleton(&port
->ifaces
)) {
2528 ovsrec_port_set_rstp_status(port
->cfg
, NULL
);
2532 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2533 if (ofproto_port_get_rstp_status(ofproto
, iface
->ofp_port
, &status
)) {
2537 if (!status
.enabled
) {
2538 ovsrec_port_set_rstp_status(port
->cfg
, NULL
);
2539 ovsrec_port_set_rstp_statistics(port
->cfg
, NULL
, NULL
, 0);
2542 /* Set Status column. */
2545 smap_add_format(&smap
, "rstp_port_id", RSTP_PORT_ID_FMT
,
2547 smap_add_format(&smap
, "rstp_port_role", "%s",
2548 rstp_port_role_name(status
.role
));
2549 smap_add_format(&smap
, "rstp_port_state", "%s",
2550 rstp_state_name(status
.state
));
2551 smap_add_format(&smap
, "rstp_designated_bridge_id", RSTP_ID_FMT
,
2552 RSTP_ID_ARGS(status
.designated_bridge_id
));
2553 smap_add_format(&smap
, "rstp_designated_port_id", RSTP_PORT_ID_FMT
,
2554 status
.designated_port_id
);
2555 smap_add_format(&smap
, "rstp_designated_path_cost", "%"PRIu32
,
2556 status
.designated_path_cost
);
2558 ovsrec_port_set_rstp_status(port
->cfg
, &smap
);
2559 smap_destroy(&smap
);
2561 /* Set Statistics column. */
2562 keys
[0] = "rstp_tx_count";
2563 int_values
[0] = status
.tx_count
;
2564 keys
[1] = "rstp_rx_count";
2565 int_values
[1] = status
.rx_count
;
2566 keys
[2] = "rstp_uptime";
2567 int_values
[2] = status
.uptime
;
2568 keys
[3] = "rstp_error_count";
2569 int_values
[3] = status
.error_count
;
2570 ovsrec_port_set_rstp_statistics(port
->cfg
, keys
, int_values
,
2571 ARRAY_SIZE(int_values
));
2575 port_refresh_bond_status(struct port
*port
, bool force_update
)
2577 uint8_t mac
[ETH_ADDR_LEN
];
2579 /* Return if port is not a bond */
2580 if (list_is_singleton(&port
->ifaces
)) {
2584 if (bond_get_changed_active_slave(port
->name
, mac
, force_update
)) {
2588 ds_put_format(&mac_s
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
2589 ovsrec_port_set_bond_active_slave(port
->cfg
, ds_cstr(&mac_s
));
2595 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2597 return smap_get_bool(&cfg
->other_config
, "enable-statistics", false);
2601 reconfigure_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2603 bool enable
= enable_system_stats(cfg
);
2605 system_stats_enable(enable
);
2607 ovsrec_open_vswitch_set_statistics(cfg
, NULL
);
2612 run_system_stats(void)
2614 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2617 stats
= system_stats_run();
2619 struct ovsdb_idl_txn
*txn
;
2620 struct ovsdb_datum datum
;
2622 txn
= ovsdb_idl_txn_create(idl
);
2623 ovsdb_datum_from_smap(&datum
, stats
);
2624 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
2626 ovsdb_idl_txn_commit(txn
);
2627 ovsdb_idl_txn_destroy(txn
);
2634 ofp12_controller_role_to_str(enum ofp12_controller_role role
)
2637 case OFPCR12_ROLE_EQUAL
:
2639 case OFPCR12_ROLE_MASTER
:
2641 case OFPCR12_ROLE_SLAVE
:
2643 case OFPCR12_ROLE_NOCHANGE
:
2645 return "*** INVALID ROLE ***";
2650 refresh_controller_status(void)
2654 const struct ovsrec_controller
*cfg
;
2658 /* Accumulate status for controllers on all bridges. */
2659 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2660 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
2663 /* Update each controller in the database with current status. */
2664 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
2665 struct ofproto_controller_info
*cinfo
=
2666 shash_find_data(&info
, cfg
->target
);
2669 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
2670 ovsrec_controller_set_role(cfg
, ofp12_controller_role_to_str(
2672 ovsrec_controller_set_status(cfg
, &cinfo
->pairs
);
2674 ovsrec_controller_set_is_connected(cfg
, false);
2675 ovsrec_controller_set_role(cfg
, NULL
);
2676 ovsrec_controller_set_status(cfg
, NULL
);
2680 ofproto_free_ofproto_controller_info(&info
);
2683 /* Update interface and mirror statistics if necessary. */
2685 run_stats_update(void)
2687 static struct ovsdb_idl_txn
*stats_txn
;
2688 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2695 /* Statistics update interval should always be greater than or equal to
2697 stats_interval
= MAX(smap_get_int(&cfg
->other_config
,
2698 "stats-update-interval",
2700 if (stats_timer_interval
!= stats_interval
) {
2701 stats_timer_interval
= stats_interval
;
2702 stats_timer
= LLONG_MIN
;
2705 if (time_msec() >= stats_timer
) {
2706 enum ovsdb_idl_txn_status status
;
2708 /* Rate limit the update. Do not start a new update if the
2709 * previous one is not done. */
2713 stats_txn
= ovsdb_idl_txn_create(idl
);
2714 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2718 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2719 struct iface
*iface
;
2721 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2722 iface_refresh_stats(iface
);
2724 port_refresh_stp_stats(port
);
2726 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
2727 mirror_refresh_stats(m
);
2730 refresh_controller_status();
2733 status
= ovsdb_idl_txn_commit(stats_txn
);
2734 if (status
!= TXN_INCOMPLETE
) {
2735 stats_timer
= time_msec() + stats_timer_interval
;
2736 ovsdb_idl_txn_destroy(stats_txn
);
2742 /* Update bridge/port/interface status if necessary. */
2744 run_status_update(void)
2749 /* Rate limit the update. Do not start a new update if the
2750 * previous one is not done. */
2751 seq
= seq_read(connectivity_seq_get());
2752 if (seq
!= connectivity_seqno
|| status_txn_try_again
) {
2755 connectivity_seqno
= seq
;
2756 status_txn
= ovsdb_idl_txn_create(idl
);
2757 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2760 br_refresh_stp_status(br
);
2761 br_refresh_rstp_status(br
);
2762 br_refresh_datapath_info(br
);
2763 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2764 struct iface
*iface
;
2766 port_refresh_stp_status(port
);
2767 port_refresh_rstp_status(port
);
2768 port_refresh_bond_status(port
, status_txn_try_again
);
2769 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2770 iface_refresh_netdev_status(iface
);
2771 iface_refresh_ofproto_status(iface
);
2778 /* Commit the transaction and get the status. If the transaction finishes,
2779 * then destroy the transaction. Otherwise, keep it so that we can check
2780 * progress the next time that this function is called. */
2782 enum ovsdb_idl_txn_status status
;
2784 status
= ovsdb_idl_txn_commit(status_txn
);
2785 if (status
!= TXN_INCOMPLETE
) {
2786 ovsdb_idl_txn_destroy(status_txn
);
2789 /* Sets the 'status_txn_try_again' if the transaction fails. */
2790 if (status
== TXN_SUCCESS
|| status
== TXN_UNCHANGED
) {
2791 status_txn_try_again
= false;
2793 status_txn_try_again
= true;
2798 /* Refresh AA port status if necessary. */
2799 if (time_msec() >= aa_refresh_timer
) {
2802 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2803 if (bridge_aa_need_refresh(br
)) {
2804 struct ovsdb_idl_txn
*txn
;
2806 txn
= ovsdb_idl_txn_create(idl
);
2807 bridge_aa_refresh_queued(br
);
2808 ovsdb_idl_txn_commit(txn
);
2809 ovsdb_idl_txn_destroy(txn
);
2813 aa_refresh_timer
= time_msec() + AA_REFRESH_INTERVAL
;
2818 status_update_wait(void)
2820 /* This prevents the process from constantly waking up on
2821 * connectivity seq, when there is no connection to ovsdb. */
2822 if (!ovsdb_idl_has_lock(idl
)) {
2826 /* If the 'status_txn' is non-null (transaction incomplete), waits for the
2827 * transaction to complete. If the status update to database needs to be
2828 * run again (transaction fails), registers a timeout in
2829 * 'STATUS_CHECK_AGAIN_MSEC'. Otherwise, waits on the global connectivity
2830 * sequence number. */
2832 ovsdb_idl_txn_wait(status_txn
);
2833 } else if (status_txn_try_again
) {
2834 poll_timer_wait_until(time_msec() + STATUS_CHECK_AGAIN_MSEC
);
2836 seq_wait(connectivity_seq_get(), connectivity_seqno
);
2847 /* Let each datapath type do the work that it needs to do. */
2849 ofproto_enumerate_types(&types
);
2850 SSET_FOR_EACH (type
, &types
) {
2851 ofproto_type_run(type
);
2853 sset_destroy(&types
);
2855 /* Let each bridge do the work that it needs to do. */
2856 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2857 ofproto_run(br
->ofproto
);
2864 static struct ovsrec_open_vswitch null_cfg
;
2865 const struct ovsrec_open_vswitch
*cfg
;
2867 bool vlan_splinters_changed
;
2869 ovsrec_open_vswitch_init(&null_cfg
);
2873 if (ovsdb_idl_is_lock_contended(idl
)) {
2874 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2875 struct bridge
*br
, *next_br
;
2877 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
2878 "disabling this process (pid %ld) until it goes away",
2879 (long int) getpid());
2881 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
2884 /* Since we will not be running system_stats_run() in this process
2885 * with the current situation of multiple ovs-vswitchd daemons,
2886 * disable system stats collection. */
2887 system_stats_enable(false);
2889 } else if (!ovsdb_idl_has_lock(idl
)) {
2892 cfg
= ovsrec_open_vswitch_first(idl
);
2894 /* Initialize the ofproto library. This only needs to run once, but
2895 * it must be done after the configuration is set. If the
2896 * initialization has already occurred, bridge_init_ofproto()
2897 * returns immediately. */
2898 bridge_init_ofproto(cfg
);
2900 /* Once the value of flow-restore-wait is false, we no longer should
2901 * check its value from the database. */
2902 if (cfg
&& ofproto_get_flow_restore_wait()) {
2903 ofproto_set_flow_restore_wait(smap_get_bool(&cfg
->other_config
,
2904 "flow-restore-wait", false));
2909 /* Re-configure SSL. We do this on every trip through the main loop,
2910 * instead of just when the database changes, because the contents of the
2911 * key and certificate files can change without the database changing.
2913 * We do this before bridge_reconfigure() because that function might
2914 * initiate SSL connections and thus requires SSL to be configured. */
2915 if (cfg
&& cfg
->ssl
) {
2916 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
2918 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
2919 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
2922 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2923 * usage has changed. */
2924 vlan_splinters_changed
= false;
2925 if (vlan_splinters_enabled_anywhere
) {
2928 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2929 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
2930 vlan_splinters_changed
= true;
2936 if (ovsdb_idl_get_seqno(idl
) != idl_seqno
|| vlan_splinters_changed
) {
2937 struct ovsdb_idl_txn
*txn
;
2939 idl_seqno
= ovsdb_idl_get_seqno(idl
);
2940 txn
= ovsdb_idl_txn_create(idl
);
2941 bridge_reconfigure(cfg
? cfg
: &null_cfg
);
2944 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
2947 /* If we are completing our initial configuration for this run
2948 * of ovs-vswitchd, then keep the transaction around to monitor
2949 * it for completion. */
2950 if (initial_config_done
) {
2951 /* Always sets the 'status_txn_try_again' to check again,
2952 * in case that this transaction fails. */
2953 status_txn_try_again
= true;
2954 ovsdb_idl_txn_commit(txn
);
2955 ovsdb_idl_txn_destroy(txn
);
2957 initial_config_done
= true;
2958 daemonize_txn
= txn
;
2962 if (daemonize_txn
) {
2963 enum ovsdb_idl_txn_status status
= ovsdb_idl_txn_commit(daemonize_txn
);
2964 if (status
!= TXN_INCOMPLETE
) {
2965 ovsdb_idl_txn_destroy(daemonize_txn
);
2966 daemonize_txn
= NULL
;
2968 /* ovs-vswitchd has completed initialization, so allow the
2969 * process that forked us to exit successfully. */
2970 daemonize_complete();
2972 vlog_enable_async();
2974 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name
, VERSION
);
2979 run_status_update();
2989 ovsdb_idl_wait(idl
);
2990 if (daemonize_txn
) {
2991 ovsdb_idl_txn_wait(daemonize_txn
);
2995 ofproto_enumerate_types(&types
);
2996 SSET_FOR_EACH (type
, &types
) {
2997 ofproto_type_wait(type
);
2999 sset_destroy(&types
);
3001 if (!hmap_is_empty(&all_bridges
)) {
3004 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3005 ofproto_wait(br
->ofproto
);
3008 poll_timer_wait_until(stats_timer
);
3011 status_update_wait();
3012 system_stats_wait();
3015 /* Adds some memory usage statistics for bridges into 'usage', for use with
3016 * memory_report(). */
3018 bridge_get_memory_usage(struct simap
*usage
)
3025 ofproto_enumerate_types(&types
);
3026 SSET_FOR_EACH (type
, &types
) {
3027 ofproto_type_get_memory_usage(type
, usage
);
3029 sset_destroy(&types
);
3031 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3032 ofproto_get_memory_usage(br
->ofproto
, usage
);
3036 /* QoS unixctl user interface functions. */
3038 struct qos_unixctl_show_cbdata
{
3040 struct iface
*iface
;
3044 qos_unixctl_show_queue(unsigned int queue_id
,
3045 const struct smap
*details
,
3046 struct iface
*iface
,
3049 struct netdev_queue_stats stats
;
3050 struct smap_node
*node
;
3053 ds_put_cstr(ds
, "\n");
3055 ds_put_format(ds
, "Queue %u:\n", queue_id
);
3057 ds_put_cstr(ds
, "Default:\n");
3060 SMAP_FOR_EACH (node
, details
) {
3061 ds_put_format(ds
, "\t%s: %s\n", node
->key
, node
->value
);
3064 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
3066 if (stats
.tx_packets
!= UINT64_MAX
) {
3067 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
3070 if (stats
.tx_bytes
!= UINT64_MAX
) {
3071 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
3074 if (stats
.tx_errors
!= UINT64_MAX
) {
3075 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
3078 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
3079 queue_id
, ovs_strerror(error
));
3084 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3085 const char *argv
[], void *aux OVS_UNUSED
)
3087 struct ds ds
= DS_EMPTY_INITIALIZER
;
3088 struct smap smap
= SMAP_INITIALIZER(&smap
);
3089 struct iface
*iface
;
3091 struct smap_node
*node
;
3093 iface
= iface_find(argv
[1]);
3095 unixctl_command_reply_error(conn
, "no such interface");
3099 netdev_get_qos(iface
->netdev
, &type
, &smap
);
3101 if (*type
!= '\0') {
3102 struct netdev_queue_dump dump
;
3103 struct smap details
;
3104 unsigned int queue_id
;
3106 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
3108 SMAP_FOR_EACH (node
, &smap
) {
3109 ds_put_format(&ds
, "%s: %s\n", node
->key
, node
->value
);
3112 smap_init(&details
);
3113 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
3114 qos_unixctl_show_queue(queue_id
, &details
, iface
, &ds
);
3116 smap_destroy(&details
);
3118 unixctl_command_reply(conn
, ds_cstr(&ds
));
3120 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
3121 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
3124 smap_destroy(&smap
);
3128 /* Bridge reconfiguration functions. */
3130 bridge_create(const struct ovsrec_bridge
*br_cfg
)
3134 ovs_assert(!bridge_lookup(br_cfg
->name
));
3135 br
= xzalloc(sizeof *br
);
3137 br
->name
= xstrdup(br_cfg
->name
);
3138 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
3141 /* Derive the default Ethernet address from the bridge's UUID. This should
3142 * be unique and it will be stable between ovs-vswitchd runs. */
3143 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
3144 eth_addr_mark_random(br
->default_ea
);
3146 hmap_init(&br
->ports
);
3147 hmap_init(&br
->ifaces
);
3148 hmap_init(&br
->iface_by_name
);
3149 hmap_init(&br
->mirrors
);
3151 hmap_init(&br
->mappings
);
3152 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
3156 bridge_destroy(struct bridge
*br
)
3159 struct mirror
*mirror
, *next_mirror
;
3160 struct port
*port
, *next_port
;
3162 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
3165 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
3166 mirror_destroy(mirror
);
3169 hmap_remove(&all_bridges
, &br
->node
);
3170 ofproto_destroy(br
->ofproto
);
3171 hmap_destroy(&br
->ifaces
);
3172 hmap_destroy(&br
->ports
);
3173 hmap_destroy(&br
->iface_by_name
);
3174 hmap_destroy(&br
->mirrors
);
3175 hmap_destroy(&br
->mappings
);
3182 static struct bridge
*
3183 bridge_lookup(const char *name
)
3187 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
3188 if (!strcmp(br
->name
, name
)) {
3195 /* Handle requests for a listing of all flows known by the OpenFlow
3196 * stack, including those normally hidden. */
3198 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3199 const char *argv
[], void *aux OVS_UNUSED
)
3204 br
= bridge_lookup(argv
[1]);
3206 unixctl_command_reply_error(conn
, "Unknown bridge");
3211 ofproto_get_all_flows(br
->ofproto
, &results
);
3213 unixctl_command_reply(conn
, ds_cstr(&results
));
3214 ds_destroy(&results
);
3217 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
3218 * connections and reconnect. If BRIDGE is not specified, then all bridges
3219 * drop their controller connections and reconnect. */
3221 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
3222 const char *argv
[], void *aux OVS_UNUSED
)
3226 br
= bridge_lookup(argv
[1]);
3228 unixctl_command_reply_error(conn
, "Unknown bridge");
3231 ofproto_reconnect_controllers(br
->ofproto
);
3233 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3234 ofproto_reconnect_controllers(br
->ofproto
);
3237 unixctl_command_reply(conn
, NULL
);
3241 bridge_get_controllers(const struct bridge
*br
,
3242 struct ovsrec_controller
***controllersp
)
3244 struct ovsrec_controller
**controllers
;
3245 size_t n_controllers
;
3247 controllers
= br
->cfg
->controller
;
3248 n_controllers
= br
->cfg
->n_controller
;
3250 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
3256 *controllersp
= controllers
;
3258 return n_controllers
;
3262 bridge_collect_wanted_ports(struct bridge
*br
,
3263 const unsigned long int *splinter_vlans
,
3264 struct shash
*wanted_ports
)
3268 shash_init(wanted_ports
);
3270 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
3271 const char *name
= br
->cfg
->ports
[i
]->name
;
3272 if (!shash_add_once(wanted_ports
, name
, br
->cfg
->ports
[i
])) {
3273 VLOG_WARN("bridge %s: %s specified twice as bridge port",
3277 if (bridge_get_controllers(br
, NULL
)
3278 && !shash_find(wanted_ports
, br
->name
)) {
3279 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
3280 br
->name
, br
->name
);
3282 ovsrec_interface_init(&br
->synth_local_iface
);
3283 ovsrec_port_init(&br
->synth_local_port
);
3285 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
3286 br
->synth_local_port
.n_interfaces
= 1;
3287 br
->synth_local_port
.name
= br
->name
;
3289 br
->synth_local_iface
.name
= br
->name
;
3290 br
->synth_local_iface
.type
= "internal";
3292 br
->synth_local_ifacep
= &br
->synth_local_iface
;
3294 shash_add(wanted_ports
, br
->name
, &br
->synth_local_port
);
3297 if (splinter_vlans
) {
3298 add_vlan_splinter_ports(br
, splinter_vlans
, wanted_ports
);
3302 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
3303 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
3304 * 'br' needs to complete its configuration. */
3306 bridge_del_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
3308 struct shash_node
*port_node
;
3309 struct port
*port
, *next
;
3311 /* Get rid of deleted ports.
3312 * Get rid of deleted interfaces on ports that still exist. */
3313 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
3314 port
->cfg
= shash_find_data(wanted_ports
, port
->name
);
3318 port_del_ifaces(port
);
3322 /* Update iface->cfg and iface->type in interfaces that still exist. */
3323 SHASH_FOR_EACH (port_node
, wanted_ports
) {
3324 const struct ovsrec_port
*port
= port_node
->data
;
3327 for (i
= 0; i
< port
->n_interfaces
; i
++) {
3328 const struct ovsrec_interface
*cfg
= port
->interfaces
[i
];
3329 struct iface
*iface
= iface_lookup(br
, cfg
->name
);
3330 const char *type
= iface_get_type(cfg
, br
->cfg
);
3335 } else if (!strcmp(type
, "null")) {
3336 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
3337 " may be removed in February 2013. Please email"
3338 " dev@openvswitch.org with concerns.",
3341 /* We will add new interfaces later. */
3347 /* Initializes 'oc' appropriately as a management service controller for
3350 * The caller must free oc->target when it is no longer needed. */
3352 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
3353 struct ofproto_controller
*oc
)
3355 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
3356 oc
->max_backoff
= 0;
3357 oc
->probe_interval
= 60;
3358 oc
->band
= OFPROTO_OUT_OF_BAND
;
3360 oc
->burst_limit
= 0;
3361 oc
->enable_async_msgs
= true;
3365 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
3367 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
3368 struct ofproto_controller
*oc
)
3372 oc
->target
= c
->target
;
3373 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
3374 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
3375 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
3376 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
3377 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
3378 oc
->burst_limit
= (c
->controller_burst_limit
3379 ? *c
->controller_burst_limit
: 0);
3380 oc
->enable_async_msgs
= (!c
->enable_async_messages
3381 || *c
->enable_async_messages
);
3382 dscp
= smap_get_int(&c
->other_config
, "dscp", DSCP_DEFAULT
);
3383 if (dscp
< 0 || dscp
> 63) {
3384 dscp
= DSCP_DEFAULT
;
3389 /* Configures the IP stack for 'br''s local interface properly according to the
3390 * configuration in 'c'. */
3392 bridge_configure_local_iface_netdev(struct bridge
*br
,
3393 struct ovsrec_controller
*c
)
3395 struct netdev
*netdev
;
3396 struct in_addr mask
, gateway
;
3398 struct iface
*local_iface
;
3401 /* If there's no local interface or no IP address, give up. */
3402 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
3403 if (!local_iface
|| !c
->local_ip
3404 || !inet_pton(AF_INET
, c
->local_ip
, &ip
)) {
3408 /* Bring up the local interface. */
3409 netdev
= local_iface
->netdev
;
3410 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
3412 /* Configure the IP address and netmask. */
3413 if (!c
->local_netmask
3414 || !inet_pton(AF_INET
, c
->local_netmask
, &mask
)
3416 mask
.s_addr
= guess_netmask(ip
.s_addr
);
3418 if (!netdev_set_in4(netdev
, ip
, mask
)) {
3419 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
3420 br
->name
, IP_ARGS(ip
.s_addr
), IP_ARGS(mask
.s_addr
));
3423 /* Configure the default gateway. */
3424 if (c
->local_gateway
3425 && inet_pton(AF_INET
, c
->local_gateway
, &gateway
)
3426 && gateway
.s_addr
) {
3427 if (!netdev_add_router(netdev
, gateway
)) {
3428 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
3429 br
->name
, IP_ARGS(gateway
.s_addr
));
3434 /* Returns true if 'a' and 'b' are the same except that any number of slashes
3435 * in either string are treated as equal to any number of slashes in the other,
3436 * e.g. "x///y" is equal to "x/y".
3438 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
3439 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
3440 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
3441 * 'b' against a prefix of 'a'.
3444 equal_pathnames(const char *a
, const char *b
, size_t b_stoplen
)
3446 const char *b_start
= b
;
3448 if (b
- b_start
>= b_stoplen
) {
3450 } else if (*a
!= *b
) {
3452 } else if (*a
== '/') {
3453 a
+= strspn(a
, "/");
3454 b
+= strspn(b
, "/");
3455 } else if (*a
== '\0') {
3465 bridge_configure_remotes(struct bridge
*br
,
3466 const struct sockaddr_in
*managers
, size_t n_managers
)
3468 bool disable_in_band
;
3470 struct ovsrec_controller
**controllers
;
3471 size_t n_controllers
;
3473 enum ofproto_fail_mode fail_mode
;
3475 struct ofproto_controller
*ocs
;
3479 /* Check if we should disable in-band control on this bridge. */
3480 disable_in_band
= smap_get_bool(&br
->cfg
->other_config
, "disable-in-band",
3483 /* Set OpenFlow queue ID for in-band control. */
3484 ofproto_set_in_band_queue(br
->ofproto
,
3485 smap_get_int(&br
->cfg
->other_config
,
3486 "in-band-queue", -1));
3488 if (disable_in_band
) {
3489 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
3491 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
3494 n_controllers
= bridge_get_controllers(br
, &controllers
);
3496 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
3499 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
3500 for (i
= 0; i
< n_controllers
; i
++) {
3501 struct ovsrec_controller
*c
= controllers
[i
];
3503 if (!strncmp(c
->target
, "punix:", 6)
3504 || !strncmp(c
->target
, "unix:", 5)) {
3505 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3508 if (!strncmp(c
->target
, "unix:", 5)) {
3509 /* Connect to a listening socket */
3510 whitelist
= xasprintf("unix:%s/", ovs_rundir());
3511 if (strchr(c
->target
, '/') &&
3512 !equal_pathnames(c
->target
, whitelist
,
3513 strlen(whitelist
))) {
3514 /* Absolute path specified, but not in ovs_rundir */
3515 VLOG_ERR_RL(&rl
, "bridge %s: Not connecting to socket "
3516 "controller \"%s\" due to possibility for "
3517 "remote exploit. Instead, specify socket "
3518 "in whitelisted \"%s\" or connect to "
3519 "\"unix:%s/%s.mgmt\" (which is always "
3520 "available without special configuration).",
3521 br
->name
, c
->target
, whitelist
,
3522 ovs_rundir(), br
->name
);
3527 whitelist
= xasprintf("punix:%s/%s.controller",
3528 ovs_rundir(), br
->name
);
3529 if (!equal_pathnames(c
->target
, whitelist
, SIZE_MAX
)) {
3530 /* Prevent remote ovsdb-server users from accessing
3531 * arbitrary Unix domain sockets and overwriting arbitrary
3533 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
3534 "controller \"%s\" due to possibility of "
3535 "overwriting local files. Instead, specify "
3536 "whitelisted \"%s\" or connect to "
3537 "\"unix:%s/%s.mgmt\" (which is always "
3538 "available without special configuration).",
3539 br
->name
, c
->target
, whitelist
,
3540 ovs_rundir(), br
->name
);
3549 bridge_configure_local_iface_netdev(br
, c
);
3550 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
3551 if (disable_in_band
) {
3552 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
3557 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
,
3558 bridge_get_allowed_versions(br
));
3559 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
3562 /* Set the fail-mode. */
3563 fail_mode
= !br
->cfg
->fail_mode
3564 || !strcmp(br
->cfg
->fail_mode
, "standalone")
3565 ? OFPROTO_FAIL_STANDALONE
3566 : OFPROTO_FAIL_SECURE
;
3567 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
3569 /* Configure OpenFlow controller connection snooping. */
3570 if (!ofproto_has_snoops(br
->ofproto
)) {
3574 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
3575 ovs_rundir(), br
->name
));
3576 ofproto_set_snoops(br
->ofproto
, &snoops
);
3577 sset_destroy(&snoops
);
3582 bridge_configure_tables(struct bridge
*br
)
3584 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3588 n_tables
= ofproto_get_n_tables(br
->ofproto
);
3590 for (i
= 0; i
< n_tables
; i
++) {
3591 struct ofproto_table_settings s
;
3592 bool use_default_prefixes
= true;
3595 s
.max_flows
= UINT_MAX
;
3598 s
.n_prefix_fields
= 0;
3599 memset(s
.prefix_fields
, ~0, sizeof(s
.prefix_fields
));
3601 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
3602 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
3605 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
3606 s
.max_flows
= *cfg
->flow_limit
;
3608 if (cfg
->overflow_policy
3609 && !strcmp(cfg
->overflow_policy
, "evict")) {
3611 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
3612 for (k
= 0; k
< cfg
->n_groups
; k
++) {
3613 const char *string
= cfg
->groups
[k
];
3616 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
3618 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
3619 "'groups' (%s)", br
->name
, i
, msg
);
3621 } else if (*string
) {
3622 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
3623 "element '%s' contains trailing garbage",
3624 br
->name
, i
, cfg
->groups
[k
]);
3630 /* Prefix lookup fields. */
3631 s
.n_prefix_fields
= 0;
3632 for (k
= 0; k
< cfg
->n_prefixes
; k
++) {
3633 const char *name
= cfg
->prefixes
[k
];
3634 const struct mf_field
*mf
;
3636 if (strcmp(name
, "none") == 0) {
3637 use_default_prefixes
= false;
3638 s
.n_prefix_fields
= 0;
3641 mf
= mf_from_name(name
);
3643 VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s",
3647 if (mf
->flow_be32ofs
< 0 || mf
->n_bits
% 32) {
3648 VLOG_WARN("bridge %s: 'prefixes' with incompatible field: "
3649 "%s", br
->name
, name
);
3652 if (s
.n_prefix_fields
>= ARRAY_SIZE(s
.prefix_fields
)) {
3653 VLOG_WARN("bridge %s: 'prefixes' with too many fields, "
3654 "field not used: %s", br
->name
, name
);
3657 use_default_prefixes
= false;
3658 s
.prefix_fields
[s
.n_prefix_fields
++] = mf
->id
;
3661 if (use_default_prefixes
) {
3662 /* Use default values. */
3663 s
.n_prefix_fields
= ARRAY_SIZE(default_prefix_fields
);
3664 memcpy(s
.prefix_fields
, default_prefix_fields
,
3665 sizeof default_prefix_fields
);
3668 struct ds ds
= DS_EMPTY_INITIALIZER
;
3669 for (k
= 0; k
< s
.n_prefix_fields
; k
++) {
3671 ds_put_char(&ds
, ',');
3673 ds_put_cstr(&ds
, mf_from_id(s
.prefix_fields
[k
])->name
);
3675 if (s
.n_prefix_fields
== 0) {
3676 ds_put_cstr(&ds
, "none");
3678 VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.",
3679 br
->name
, i
, ds_cstr(&ds
));
3683 ofproto_configure_table(br
->ofproto
, i
, &s
);
3687 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
3688 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
3689 "%"PRId64
" not supported by this datapath", br
->name
,
3690 br
->cfg
->key_flow_tables
[j
]);
3695 bridge_configure_dp_desc(struct bridge
*br
)
3697 ofproto_set_dp_desc(br
->ofproto
,
3698 smap_get(&br
->cfg
->other_config
, "dp-desc"));
3701 static struct aa_mapping
*
3702 bridge_aa_mapping_find(struct bridge
*br
, const int64_t isid
)
3704 struct aa_mapping
*m
;
3706 HMAP_FOR_EACH_IN_BUCKET (m
,
3708 hash_bytes(&isid
, sizeof isid
, 0),
3710 if (isid
== m
->isid
) {
3717 static struct aa_mapping
*
3718 bridge_aa_mapping_create(struct bridge
*br
,
3722 struct aa_mapping
*m
;
3724 m
= xzalloc(sizeof *m
);
3728 m
->br_name
= xstrdup(br
->name
);
3729 hmap_insert(&br
->mappings
,
3731 hash_bytes(&isid
, sizeof isid
, 0));
3737 bridge_aa_mapping_destroy(struct aa_mapping
*m
)
3740 struct bridge
*br
= m
->bridge
;
3743 ofproto_aa_mapping_unregister(br
->ofproto
, m
);
3746 hmap_remove(&br
->mappings
, &m
->hmap_node
);
3755 bridge_aa_mapping_configure(struct aa_mapping
*m
)
3757 struct aa_mapping_settings s
;
3763 ofproto_aa_mapping_register(m
->bridge
->ofproto
, m
, &s
);
3769 bridge_configure_aa(struct bridge
*br
)
3771 const struct ovsdb_datum
*mc
;
3772 struct ovsrec_autoattach
*auto_attach
= br
->cfg
->auto_attach
;
3773 struct aa_settings aa_s
;
3774 struct aa_mapping
*m
, *next
;
3778 ofproto_set_aa(br
->ofproto
, NULL
, NULL
);
3782 memset(&aa_s
, 0, sizeof aa_s
);
3783 aa_s
.system_description
= auto_attach
->system_description
;
3784 aa_s
.system_name
= auto_attach
->system_name
;
3785 ofproto_set_aa(br
->ofproto
, NULL
, &aa_s
);
3787 mc
= ovsrec_autoattach_get_mappings(auto_attach
,
3789 OVSDB_TYPE_INTEGER
);
3790 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mappings
) {
3791 union ovsdb_atom atom
;
3793 atom
.integer
= m
->isid
;
3794 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3795 VLOG_INFO("Deleting isid=%"PRIu32
", vlan=%"PRIu16
,
3797 bridge_aa_mapping_destroy(m
);
3801 /* Add new mappings and reconfigure existing ones. */
3802 for (i
= 0; i
< auto_attach
->n_mappings
; ++i
) {
3803 struct aa_mapping
*m
=
3804 bridge_aa_mapping_find(br
, auto_attach
->key_mappings
[i
]);
3807 VLOG_INFO("Adding isid=%"PRId64
", vlan=%"PRId64
,
3808 auto_attach
->key_mappings
[i
],
3809 auto_attach
->value_mappings
[i
]);
3810 m
= bridge_aa_mapping_create(br
,
3811 auto_attach
->key_mappings
[i
],
3812 auto_attach
->value_mappings
[i
]);
3814 if (!bridge_aa_mapping_configure(m
)) {
3815 bridge_aa_mapping_destroy(m
);
3822 bridge_aa_need_refresh(struct bridge
*br
)
3824 return ofproto_aa_vlan_get_queue_size(br
->ofproto
) > 0;
3828 bridge_aa_update_trunks(struct port
*port
, struct bridge_aa_vlan
*m
)
3830 int64_t *trunks
= NULL
;
3832 bool found
= false, reconfigure
= false;
3834 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3835 if (port
->cfg
->trunks
[i
] == m
->vlan
) {
3842 case BRIDGE_AA_VLAN_OPER_ADD
:
3844 trunks
= xmalloc(sizeof *trunks
* (port
->cfg
->n_trunks
+ 1));
3846 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3847 trunks
[i
] = port
->cfg
->trunks
[i
];
3849 trunks
[i
++] = m
->vlan
;
3855 case BRIDGE_AA_VLAN_OPER_REMOVE
:
3859 trunks
= xmalloc(sizeof *trunks
* (port
->cfg
->n_trunks
- 1));
3861 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3862 if (port
->cfg
->trunks
[i
] != m
->vlan
) {
3863 trunks
[j
++] = port
->cfg
->trunks
[i
];
3872 case BRIDGE_AA_VLAN_OPER_UNDEF
:
3874 VLOG_WARN("unrecognized operation %u", m
->oper
);
3879 /* VLAN switching under trunk mode cause the trunk port to switch all
3880 * VLANs, see ovs-vswitchd.conf.db
3883 static char *vlan_mode_access
= "access";
3884 ovsrec_port_set_vlan_mode(port
->cfg
, vlan_mode_access
);
3888 static char *vlan_mode_trunk
= "trunk";
3889 ovsrec_port_set_vlan_mode(port
->cfg
, vlan_mode_trunk
);
3892 ovsrec_port_set_trunks(port
->cfg
, trunks
, i
);
3894 /* Force reconfigure of the port. */
3895 port_configure(port
);
3900 bridge_aa_refresh_queued(struct bridge
*br
)
3902 struct ovs_list
*list
= xmalloc(sizeof *list
);
3903 struct bridge_aa_vlan
*node
;
3906 ofproto_aa_vlan_get_queued(br
->ofproto
, list
);
3908 LIST_FOR_EACH(node
, list_node
, list
) {
3911 VLOG_INFO("ifname=%s, vlan=%u, oper=%u", node
->port_name
, node
->vlan
,
3914 port
= port_lookup(br
, node
->port_name
);
3916 bridge_aa_update_trunks(port
, node
);
3919 list_remove(&node
->list_node
);
3920 free(node
->port_name
);
3928 /* Port functions. */
3930 static struct port
*
3931 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
3935 port
= xzalloc(sizeof *port
);
3937 port
->name
= xstrdup(cfg
->name
);
3939 list_init(&port
->ifaces
);
3941 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
3945 /* Deletes interfaces from 'port' that are no longer configured for it. */
3947 port_del_ifaces(struct port
*port
)
3949 struct iface
*iface
, *next
;
3950 struct sset new_ifaces
;
3953 /* Collect list of new interfaces. */
3954 sset_init(&new_ifaces
);
3955 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
3956 const char *name
= port
->cfg
->interfaces
[i
]->name
;
3957 const char *type
= port
->cfg
->interfaces
[i
]->type
;
3958 if (strcmp(type
, "null")) {
3959 sset_add(&new_ifaces
, name
);
3963 /* Get rid of deleted interfaces. */
3964 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3965 if (!sset_contains(&new_ifaces
, iface
->name
)) {
3966 iface_destroy(iface
);
3970 sset_destroy(&new_ifaces
);
3974 port_destroy(struct port
*port
)
3977 struct bridge
*br
= port
->bridge
;
3978 struct iface
*iface
, *next
;
3981 ofproto_bundle_unregister(br
->ofproto
, port
);
3984 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3985 iface_destroy__(iface
);
3988 hmap_remove(&br
->ports
, &port
->hmap_node
);
3994 static struct port
*
3995 port_lookup(const struct bridge
*br
, const char *name
)
3999 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
4001 if (!strcmp(port
->name
, name
)) {
4009 enable_lacp(struct port
*port
, bool *activep
)
4011 if (!port
->cfg
->lacp
) {
4012 /* XXX when LACP implementation has been sufficiently tested, enable by
4013 * default and make active on bonded ports. */
4015 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
4017 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
4020 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
4024 VLOG_WARN("port %s: unknown LACP mode %s",
4025 port
->name
, port
->cfg
->lacp
);
4030 static struct lacp_settings
*
4031 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
4033 const char *lacp_time
, *system_id
;
4036 if (!enable_lacp(port
, &s
->active
)) {
4040 s
->name
= port
->name
;
4042 system_id
= smap_get(&port
->cfg
->other_config
, "lacp-system-id");
4044 if (!ovs_scan(system_id
, ETH_ADDR_SCAN_FMT
,
4045 ETH_ADDR_SCAN_ARGS(s
->id
))) {
4046 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
4047 " address.", port
->name
, system_id
);
4051 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
4054 if (eth_addr_is_zero(s
->id
)) {
4055 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
4059 /* Prefer bondable links if unspecified. */
4060 priority
= smap_get_int(&port
->cfg
->other_config
, "lacp-system-priority",
4062 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
4064 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
4066 lacp_time
= smap_get(&port
->cfg
->other_config
, "lacp-time");
4067 s
->fast
= lacp_time
&& !strcasecmp(lacp_time
, "fast");
4069 s
->fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
4070 "lacp-fallback-ab", false);
4076 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
4078 int priority
, portid
, key
;
4080 portid
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-id", 0);
4081 priority
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-priority",
4083 key
= smap_get_int(&iface
->cfg
->other_config
, "lacp-aggregation-key", 0);
4085 if (portid
<= 0 || portid
> UINT16_MAX
) {
4086 portid
= ofp_to_u16(iface
->ofp_port
);
4089 if (priority
<= 0 || priority
> UINT16_MAX
) {
4090 priority
= UINT16_MAX
;
4093 if (key
< 0 || key
> UINT16_MAX
) {
4097 s
->name
= iface
->name
;
4099 s
->priority
= priority
;
4104 port_configure_bond(struct port
*port
, struct bond_settings
*s
)
4106 const char *detect_s
;
4107 struct iface
*iface
;
4109 int miimon_interval
;
4111 s
->name
= port
->name
;
4113 if (port
->cfg
->bond_mode
) {
4114 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
4115 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
4116 port
->name
, port
->cfg
->bond_mode
,
4117 bond_mode_to_string(s
->balance
));
4120 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
4122 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
4123 * active-backup. At some point we should remove this warning. */
4124 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
4125 " in previous versions, the default bond_mode was"
4126 " balance-slb", port
->name
,
4127 bond_mode_to_string(s
->balance
));
4129 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
4130 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
4131 "please use another bond type or disable flood_vlans",
4135 miimon_interval
= smap_get_int(&port
->cfg
->other_config
,
4136 "bond-miimon-interval", 0);
4137 if (miimon_interval
<= 0) {
4138 miimon_interval
= 200;
4141 detect_s
= smap_get(&port
->cfg
->other_config
, "bond-detect-mode");
4142 if (!detect_s
|| !strcmp(detect_s
, "carrier")) {
4143 miimon_interval
= 0;
4144 } else if (strcmp(detect_s
, "miimon")) {
4145 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
4146 "defaulting to carrier", port
->name
, detect_s
);
4147 miimon_interval
= 0;
4150 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
4151 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
4152 s
->basis
= smap_get_int(&port
->cfg
->other_config
, "bond-hash-basis", 0);
4153 s
->rebalance_interval
= smap_get_int(&port
->cfg
->other_config
,
4154 "bond-rebalance-interval", 10000);
4155 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
4156 s
->rebalance_interval
= 1000;
4159 s
->lacp_fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
4160 "lacp-fallback-ab", false);
4162 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
4163 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
4166 mac_s
= port
->cfg
->bond_active_slave
;
4167 if (!mac_s
|| !ovs_scan(mac_s
, ETH_ADDR_SCAN_FMT
,
4168 ETH_ADDR_SCAN_ARGS(s
->active_slave_mac
))) {
4169 /* OVSDB did not store the last active interface */
4170 memset(s
->active_slave_mac
, 0, sizeof(s
->active_slave_mac
));
4174 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
4175 * instead of obtaining it from the database. */
4177 port_is_synthetic(const struct port
*port
)
4179 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
4182 /* Interface functions. */
4185 iface_is_internal(const struct ovsrec_interface
*iface
,
4186 const struct ovsrec_bridge
*br
)
4188 /* The local port and "internal" ports are always "internal". */
4189 return !strcmp(iface
->type
, "internal") || !strcmp(iface
->name
, br
->name
);
4192 /* Returns the correct network device type for interface 'iface' in bridge
4195 iface_get_type(const struct ovsrec_interface
*iface
,
4196 const struct ovsrec_bridge
*br
)
4200 /* The local port always has type "internal". Other ports take
4201 * their type from the database and default to "system" if none is
4203 if (iface_is_internal(iface
, br
)) {
4206 type
= iface
->type
[0] ? iface
->type
: "system";
4209 return ofproto_port_open_type(br
->datapath_type
, type
);
4213 iface_destroy__(struct iface
*iface
)
4216 struct port
*port
= iface
->port
;
4217 struct bridge
*br
= port
->bridge
;
4219 if (br
->ofproto
&& iface
->ofp_port
!= OFPP_NONE
) {
4220 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
4223 if (iface
->ofp_port
!= OFPP_NONE
) {
4224 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
4227 list_remove(&iface
->port_elem
);
4228 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
4230 /* The user is changing configuration here, so netdev_remove needs to be
4231 * used as opposed to netdev_close */
4232 netdev_remove(iface
->netdev
);
4240 iface_destroy(struct iface
*iface
)
4243 struct port
*port
= iface
->port
;
4245 iface_destroy__(iface
);
4246 if (list_is_empty(&port
->ifaces
)) {
4252 static struct iface
*
4253 iface_lookup(const struct bridge
*br
, const char *name
)
4255 struct iface
*iface
;
4257 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
4258 &br
->iface_by_name
) {
4259 if (!strcmp(iface
->name
, name
)) {
4267 static struct iface
*
4268 iface_find(const char *name
)
4270 const struct bridge
*br
;
4272 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4273 struct iface
*iface
= iface_lookup(br
, name
);
4282 static struct iface
*
4283 iface_from_ofp_port(const struct bridge
*br
, ofp_port_t ofp_port
)
4285 struct iface
*iface
;
4287 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
, hash_ofp_port(ofp_port
),
4289 if (iface
->ofp_port
== ofp_port
) {
4296 /* Set Ethernet address of 'iface', if one is specified in the configuration
4299 iface_set_mac(const struct bridge
*br
, const struct port
*port
, struct iface
*iface
)
4301 uint8_t ea
[ETH_ADDR_LEN
], *mac
= NULL
;
4302 struct iface
*hw_addr_iface
;
4304 if (strcmp(iface
->type
, "internal")) {
4308 if (iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
4310 } else if (port
->cfg
->fake_bridge
) {
4311 /* Fake bridge and no MAC set in the configuration. Pick a local one. */
4312 find_local_hw_addr(br
, ea
, port
, &hw_addr_iface
);
4317 if (iface
->ofp_port
== OFPP_LOCAL
) {
4318 VLOG_ERR("interface %s: ignoring mac in Interface record "
4319 "(use Bridge record to set local port's mac)",
4321 } else if (eth_addr_is_multicast(mac
)) {
4322 VLOG_ERR("interface %s: cannot set MAC to multicast address",
4325 int error
= netdev_set_etheraddr(iface
->netdev
, mac
);
4327 VLOG_ERR("interface %s: setting MAC failed (%s)",
4328 iface
->name
, ovs_strerror(error
));
4334 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
4336 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, ofp_port_t ofport
)
4338 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
4339 int64_t port
= ofport
== OFPP_NONE
? -1 : ofp_to_u16(ofport
);
4340 ovsrec_interface_set_ofport(if_cfg
, &port
, 1);
4344 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
4345 * sets the "ofport" field to -1.
4347 * This is appropriate when 'if_cfg''s interface cannot be created or is
4348 * otherwise invalid. */
4350 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
)
4352 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
4353 iface_set_ofport(if_cfg
, OFPP_NONE
);
4354 ovsrec_interface_set_error(if_cfg
, errp
);
4355 ovsrec_interface_set_status(if_cfg
, NULL
);
4356 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
4357 ovsrec_interface_set_duplex(if_cfg
, NULL
);
4358 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
4359 ovsrec_interface_set_link_state(if_cfg
, NULL
);
4360 ovsrec_interface_set_mac_in_use(if_cfg
, NULL
);
4361 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
4362 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
4363 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
4364 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
4365 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
4366 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
4367 ovsrec_interface_set_ifindex(if_cfg
, NULL
, 0);
4372 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
4374 union ovsdb_atom atom
;
4376 atom
.integer
= target
;
4377 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
4381 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
4383 struct ofpbuf queues_buf
;
4385 ofpbuf_init(&queues_buf
, 0);
4387 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
4388 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
4390 const struct ovsdb_datum
*queues
;
4391 struct netdev_queue_dump dump
;
4392 unsigned int queue_id
;
4393 struct smap details
;
4397 /* Configure top-level Qos for 'iface'. */
4398 netdev_set_qos(iface
->netdev
, qos
->type
, &qos
->other_config
);
4400 /* Deconfigure queues that were deleted. */
4401 queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
4403 smap_init(&details
);
4404 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
4405 if (!queue_ids_include(queues
, queue_id
)) {
4406 netdev_delete_queue(iface
->netdev
, queue_id
);
4409 smap_destroy(&details
);
4411 /* Configure queues for 'iface'. */
4413 for (i
= 0; i
< qos
->n_queues
; i
++) {
4414 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
4415 unsigned int queue_id
= qos
->key_queues
[i
];
4417 if (queue_id
== 0) {
4421 if (queue
->n_dscp
== 1) {
4422 struct ofproto_port_queue
*port_queue
;
4424 port_queue
= ofpbuf_put_uninit(&queues_buf
,
4425 sizeof *port_queue
);
4426 port_queue
->queue
= queue_id
;
4427 port_queue
->dscp
= queue
->dscp
[0];
4430 netdev_set_queue(iface
->netdev
, queue_id
, &queue
->other_config
);
4433 struct smap details
;
4435 smap_init(&details
);
4436 netdev_set_queue(iface
->netdev
, 0, &details
);
4437 smap_destroy(&details
);
4441 if (iface
->ofp_port
!= OFPP_NONE
) {
4442 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
4443 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
4445 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
4446 port_queues
, n_queues
);
4449 netdev_set_policing(iface
->netdev
,
4450 iface
->cfg
->ingress_policing_rate
,
4451 iface
->cfg
->ingress_policing_burst
);
4453 ofpbuf_uninit(&queues_buf
);
4457 iface_configure_cfm(struct iface
*iface
)
4459 const struct ovsrec_interface
*cfg
= iface
->cfg
;
4460 const char *opstate_str
;
4461 const char *cfm_ccm_vlan
;
4462 struct cfm_settings s
;
4463 struct smap netdev_args
;
4465 if (!cfg
->n_cfm_mpid
) {
4466 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
4470 s
.check_tnl_key
= false;
4471 smap_init(&netdev_args
);
4472 if (!netdev_get_config(iface
->netdev
, &netdev_args
)) {
4473 const char *key
= smap_get(&netdev_args
, "key");
4474 const char *in_key
= smap_get(&netdev_args
, "in_key");
4476 s
.check_tnl_key
= (key
&& !strcmp(key
, "flow"))
4477 || (in_key
&& !strcmp(in_key
, "flow"));
4479 smap_destroy(&netdev_args
);
4481 s
.mpid
= *cfg
->cfm_mpid
;
4482 s
.interval
= smap_get_int(&iface
->cfg
->other_config
, "cfm_interval", 0);
4483 cfm_ccm_vlan
= smap_get(&iface
->cfg
->other_config
, "cfm_ccm_vlan");
4484 s
.ccm_pcp
= smap_get_int(&iface
->cfg
->other_config
, "cfm_ccm_pcp", 0);
4486 if (s
.interval
<= 0) {
4490 if (!cfm_ccm_vlan
) {
4492 } else if (!strcasecmp("random", cfm_ccm_vlan
)) {
4493 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
4495 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
4496 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
4501 s
.extended
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_extended",
4503 s
.demand
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_demand", false);
4505 opstate_str
= smap_get(&iface
->cfg
->other_config
, "cfm_opstate");
4506 s
.opup
= !opstate_str
|| !strcasecmp("up", opstate_str
);
4508 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
4511 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
4512 * instead of obtaining it from the database. */
4514 iface_is_synthetic(const struct iface
*iface
)
4516 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
4520 iface_validate_ofport__(size_t n
, int64_t *ofport
)
4522 return (n
&& *ofport
>= 1 && *ofport
< ofp_to_u16(OFPP_MAX
)
4523 ? u16_to_ofp(*ofport
)
4528 iface_get_requested_ofp_port(const struct ovsrec_interface
*cfg
)
4530 return iface_validate_ofport__(cfg
->n_ofport_request
, cfg
->ofport_request
);
4534 iface_pick_ofport(const struct ovsrec_interface
*cfg
)
4536 ofp_port_t requested_ofport
= iface_get_requested_ofp_port(cfg
);
4537 return (requested_ofport
!= OFPP_NONE
4539 : iface_validate_ofport__(cfg
->n_ofport
, cfg
->ofport
));
4542 /* Port mirroring. */
4544 static struct mirror
*
4545 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
4549 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
4550 if (uuid_equals(uuid
, &m
->uuid
)) {
4558 bridge_configure_mirrors(struct bridge
*br
)
4560 const struct ovsdb_datum
*mc
;
4561 unsigned long *flood_vlans
;
4562 struct mirror
*m
, *next
;
4565 /* Get rid of deleted mirrors. */
4566 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
4567 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
4568 union ovsdb_atom atom
;
4570 atom
.uuid
= m
->uuid
;
4571 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
4576 /* Add new mirrors and reconfigure existing ones. */
4577 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
4578 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
4579 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
4581 m
= mirror_create(br
, cfg
);
4584 if (!mirror_configure(m
)) {
4589 /* Update flooded vlans (for RSPAN). */
4590 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
4591 br
->cfg
->n_flood_vlans
);
4592 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
4593 bitmap_free(flood_vlans
);
4596 static struct mirror
*
4597 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
4601 m
= xzalloc(sizeof *m
);
4602 m
->uuid
= cfg
->header_
.uuid
;
4603 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
4605 m
->name
= xstrdup(cfg
->name
);
4611 mirror_destroy(struct mirror
*m
)
4614 struct bridge
*br
= m
->bridge
;
4617 ofproto_mirror_unregister(br
->ofproto
, m
);
4620 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
4627 mirror_collect_ports(struct mirror
*m
,
4628 struct ovsrec_port
**in_ports
, int n_in_ports
,
4629 void ***out_portsp
, size_t *n_out_portsp
)
4631 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
4632 size_t n_out_ports
= 0;
4635 for (i
= 0; i
< n_in_ports
; i
++) {
4636 const char *name
= in_ports
[i
]->name
;
4637 struct port
*port
= port_lookup(m
->bridge
, name
);
4639 out_ports
[n_out_ports
++] = port
;
4641 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
4642 "port %s", m
->bridge
->name
, m
->name
, name
);
4645 *out_portsp
= out_ports
;
4646 *n_out_portsp
= n_out_ports
;
4650 mirror_configure(struct mirror
*m
)
4652 const struct ovsrec_mirror
*cfg
= m
->cfg
;
4653 struct ofproto_mirror_settings s
;
4656 if (strcmp(cfg
->name
, m
->name
)) {
4658 m
->name
= xstrdup(cfg
->name
);
4662 /* Get output port or VLAN. */
4663 if (cfg
->output_port
) {
4664 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
4665 if (!s
.out_bundle
) {
4666 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
4667 m
->bridge
->name
, m
->name
);
4670 s
.out_vlan
= UINT16_MAX
;
4672 if (cfg
->output_vlan
) {
4673 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
4674 "output vlan; ignoring output vlan",
4675 m
->bridge
->name
, m
->name
);
4677 } else if (cfg
->output_vlan
) {
4678 /* The database should prevent invalid VLAN values. */
4679 s
.out_bundle
= NULL
;
4680 s
.out_vlan
= *cfg
->output_vlan
;
4682 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
4683 m
->bridge
->name
, m
->name
);
4687 /* Get port selection. */
4688 if (cfg
->select_all
) {
4689 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
4690 void **ports
= xmalloc(n_ports
* sizeof *ports
);
4695 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
4705 /* Get ports, dropping ports that don't exist.
4706 * The IDL ensures that there are no duplicates. */
4707 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
4708 &s
.srcs
, &s
.n_srcs
);
4709 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
4710 &s
.dsts
, &s
.n_dsts
);
4713 /* Get VLAN selection. */
4714 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
4717 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
4720 if (s
.srcs
!= s
.dsts
) {
4729 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4731 * This is deprecated. It is only for compatibility with broken device drivers
4732 * in old versions of Linux that do not properly support VLANs when VLAN
4733 * devices are not used. When broken device drivers are no longer in
4734 * widespread use, we will delete these interfaces. */
4736 static struct ovsrec_port
**recs
;
4737 static size_t n_recs
, allocated_recs
;
4739 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
4740 * splinters are reconfigured. */
4742 register_rec(struct ovsrec_port
*rec
)
4744 if (n_recs
>= allocated_recs
) {
4745 recs
= x2nrealloc(recs
, &allocated_recs
, sizeof *recs
);
4747 recs
[n_recs
++] = rec
;
4750 /* Frees all of the ports registered with register_reg(). */
4752 free_registered_recs(void)
4756 for (i
= 0; i
< n_recs
; i
++) {
4757 struct ovsrec_port
*port
= recs
[i
];
4760 for (j
= 0; j
< port
->n_interfaces
; j
++) {
4761 struct ovsrec_interface
*iface
= port
->interfaces
[j
];
4766 smap_destroy(&port
->other_config
);
4767 free(port
->interfaces
);
4775 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
4778 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
4780 return smap_get_bool(&iface_cfg
->other_config
, "enable-vlan-splinters",
4784 /* Figures out the set of VLANs that are in use for the purpose of VLAN
4787 * If VLAN splinters are enabled on at least one interface and any VLANs are in
4788 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
4789 * 4095 will not be set). The caller is responsible for freeing the bitmap,
4792 * If VLANs splinters are not enabled on any interface or if no VLANs are in
4793 * use, returns NULL.
4795 * Updates 'vlan_splinters_enabled_anywhere'. */
4796 static unsigned long int *
4797 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
4799 unsigned long int *splinter_vlans
;
4800 struct sset splinter_ifaces
;
4801 const char *real_dev_name
;
4802 struct shash
*real_devs
;
4803 struct shash_node
*node
;
4807 /* Free space allocated for synthesized ports and interfaces, since we're
4808 * in the process of reconstructing all of them. */
4809 free_registered_recs();
4811 splinter_vlans
= bitmap_allocate(4096);
4812 sset_init(&splinter_ifaces
);
4813 vlan_splinters_enabled_anywhere
= false;
4814 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
4815 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
4818 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
4819 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
4822 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
4823 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
4825 if (vlan_splinters_is_enabled(iface_cfg
)) {
4826 vlan_splinters_enabled_anywhere
= true;
4827 sset_add(&splinter_ifaces
, iface_cfg
->name
);
4828 vlan_bitmap_from_array__(port_cfg
->trunks
,
4834 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
4835 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
4840 if (!vlan_splinters_enabled_anywhere
) {
4841 free(splinter_vlans
);
4842 sset_destroy(&splinter_ifaces
);
4846 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4848 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
4852 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
4853 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
4854 * device to be created for it. */
4855 bitmap_set0(splinter_vlans
, 0);
4856 bitmap_set0(splinter_vlans
, 4095);
4858 /* Delete all VLAN devices that we don't need. */
4860 real_devs
= vlandev_get_real_devs();
4861 SHASH_FOR_EACH (node
, real_devs
) {
4862 const struct vlan_real_dev
*real_dev
= node
->data
;
4863 const struct vlan_dev
*vlan_dev
;
4864 bool real_dev_has_splinters
;
4866 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
4868 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
4869 if (!real_dev_has_splinters
4870 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
4871 struct netdev
*netdev
;
4873 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
4874 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
4875 !netdev_get_in6(netdev
, NULL
)) {
4876 /* It has an IP address configured, so we don't own
4877 * it. Don't delete it. */
4879 vlandev_del(vlan_dev
->name
);
4881 netdev_close(netdev
);
4888 /* Add all VLAN devices that we need. */
4889 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
4892 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4893 if (!vlandev_get_name(real_dev_name
, vid
)) {
4894 vlandev_add(real_dev_name
, vid
);
4901 sset_destroy(&splinter_ifaces
);
4903 if (bitmap_scan(splinter_vlans
, 1, 0, 4096) >= 4096) {
4904 free(splinter_vlans
);
4907 return splinter_vlans
;
4910 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
4913 configure_splinter_port(struct port
*port
)
4915 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
4916 ofp_port_t realdev_ofp_port
;
4917 const char *realdev_name
;
4918 struct iface
*vlandev
, *realdev
;
4920 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
4922 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
4925 realdev_name
= smap_get(&port
->cfg
->other_config
, "realdev");
4926 realdev
= iface_lookup(port
->bridge
, realdev_name
);
4927 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
4929 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
4933 static struct ovsrec_port
*
4934 synthesize_splinter_port(const char *real_dev_name
,
4935 const char *vlan_dev_name
, int vid
)
4937 struct ovsrec_interface
*iface
;
4938 struct ovsrec_port
*port
;
4940 iface
= xmalloc(sizeof *iface
);
4941 ovsrec_interface_init(iface
);
4942 iface
->name
= xstrdup(vlan_dev_name
);
4943 iface
->type
= "system";
4945 port
= xmalloc(sizeof *port
);
4946 ovsrec_port_init(port
);
4947 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
4948 port
->n_interfaces
= 1;
4949 port
->name
= xstrdup(vlan_dev_name
);
4950 port
->vlan_mode
= "splinter";
4951 port
->tag
= xmalloc(sizeof *port
->tag
);
4954 smap_add(&port
->other_config
, "realdev", real_dev_name
);
4960 /* For each interface with 'br' that has VLAN splinters enabled, adds a
4961 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
4962 * 1-bit in the 'splinter_vlans' bitmap. */
4964 add_vlan_splinter_ports(struct bridge
*br
,
4965 const unsigned long int *splinter_vlans
,
4966 struct shash
*ports
)
4970 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
4971 * we're modifying 'ports'. */
4972 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
4973 const char *name
= br
->cfg
->ports
[i
]->name
;
4974 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
4977 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
4978 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
4980 if (vlan_splinters_is_enabled(iface_cfg
)) {
4981 const char *real_dev_name
;
4984 real_dev_name
= iface_cfg
->name
;
4985 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4986 const char *vlan_dev_name
;
4988 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
4990 && !shash_find(ports
, vlan_dev_name
)) {
4991 shash_add(ports
, vlan_dev_name
,
4992 synthesize_splinter_port(
4993 real_dev_name
, vlan_dev_name
, vid
));
5002 mirror_refresh_stats(struct mirror
*m
)
5004 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
5005 uint64_t tx_packets
, tx_bytes
;
5006 const char *keys
[2];
5008 size_t stat_cnt
= 0;
5010 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
5011 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
5015 if (tx_packets
!= UINT64_MAX
) {
5016 keys
[stat_cnt
] = "tx_packets";
5017 values
[stat_cnt
] = tx_packets
;
5020 if (tx_bytes
!= UINT64_MAX
) {
5021 keys
[stat_cnt
] = "tx_bytes";
5022 values
[stat_cnt
] = tx_bytes
;
5026 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);