1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
21 #include "async-append.h"
25 #include "connectivity.h"
29 #include "dynamic-string.h"
36 #include "mac-learning.h"
37 #include "meta-flow.h"
39 #include "ofp-print.h"
42 #include "ofproto/bond.h"
43 #include "ofproto/ofproto.h"
44 #include "poll-loop.h"
49 #include "socket-util.h"
51 #include "stream-ssl.h"
53 #include "system-stats.h"
58 #include "lib/vswitch-idl.h"
59 #include "xenserver.h"
61 #include "sflow_api.h"
62 #include "vlan-bitmap.h"
64 VLOG_DEFINE_THIS_MODULE(bridge
);
66 COVERAGE_DEFINE(bridge_reconfigure
);
69 /* These members are always valid.
71 * They are immutable: they never change between iface_create() and
73 struct list port_elem
; /* Element in struct port's "ifaces" list. */
74 struct hmap_node name_node
; /* In struct bridge's "iface_by_name" hmap. */
75 struct hmap_node ofp_port_node
; /* In struct bridge's "ifaces" hmap. */
76 struct port
*port
; /* Containing port. */
77 char *name
; /* Host network device name. */
78 struct netdev
*netdev
; /* Network device. */
79 ofp_port_t ofp_port
; /* OpenFlow port number. */
81 /* These members are valid only within bridge_reconfigure(). */
82 const char *type
; /* Usually same as cfg->type. */
83 const struct ovsrec_interface
*cfg
;
87 struct uuid uuid
; /* UUID of this "mirror" record in database. */
88 struct hmap_node hmap_node
; /* In struct bridge's "mirrors" hmap. */
89 struct bridge
*bridge
;
91 const struct ovsrec_mirror
*cfg
;
95 struct hmap_node hmap_node
; /* Element in struct bridge's "ports" hmap. */
96 struct bridge
*bridge
;
99 const struct ovsrec_port
*cfg
;
101 /* An ordinary bridge port has 1 interface.
102 * A bridge port for bonding has at least 2 interfaces. */
103 struct list ifaces
; /* List of "struct iface"s. */
107 struct hmap_node node
; /* In 'all_bridges'. */
108 char *name
; /* User-specified arbitrary name. */
109 char *type
; /* Datapath type. */
110 uint8_t ea
[ETH_ADDR_LEN
]; /* Bridge Ethernet Address. */
111 uint8_t default_ea
[ETH_ADDR_LEN
]; /* Default MAC. */
112 const struct ovsrec_bridge
*cfg
;
114 /* OpenFlow switch processing. */
115 struct ofproto
*ofproto
; /* OpenFlow switch. */
118 struct hmap ports
; /* "struct port"s indexed by name. */
119 struct hmap ifaces
; /* "struct iface"s indexed by ofp_port. */
120 struct hmap iface_by_name
; /* "struct iface"s indexed by name. */
122 /* Port mirroring. */
123 struct hmap mirrors
; /* "struct mirror" indexed by UUID. */
125 /* Used during reconfiguration. */
126 struct shash wanted_ports
;
128 /* Synthetic local port if necessary. */
129 struct ovsrec_port synth_local_port
;
130 struct ovsrec_interface synth_local_iface
;
131 struct ovsrec_interface
*synth_local_ifacep
;
134 /* All bridges, indexed by name. */
135 static struct hmap all_bridges
= HMAP_INITIALIZER(&all_bridges
);
137 /* OVSDB IDL used to obtain configuration. */
138 static struct ovsdb_idl
*idl
;
140 /* We want to complete daemonization, fully detaching from our parent process,
141 * only after we have completed our initial configuration, committed our state
142 * to the database, and received confirmation back from the database server
143 * that it applied the commit. This allows our parent process to know that,
144 * post-detach, ephemeral fields such as datapath-id and ofport are very likely
145 * to have already been filled in. (It is only "very likely" rather than
146 * certain because there is always a slim possibility that the transaction will
147 * fail or that some other client has added new bridges, ports, etc. while
148 * ovs-vswitchd was configuring using an old configuration.)
150 * We only need to do this once for our initial configuration at startup, so
151 * 'initial_config_done' tracks whether we've already done it. While we are
152 * waiting for a response to our commit, 'daemonize_txn' tracks the transaction
153 * itself and is otherwise NULL. */
154 static bool initial_config_done
;
155 static struct ovsdb_idl_txn
*daemonize_txn
;
157 /* Most recently processed IDL sequence number. */
158 static unsigned int idl_seqno
;
160 /* Track changes to port connectivity. */
161 static uint64_t connectivity_seqno
= LLONG_MIN
;
163 /* Each time this timer expires, the bridge fetches interface and mirror
164 * statistics and pushes them into the database. */
165 #define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
166 static long long int iface_stats_timer
= LLONG_MIN
;
168 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
169 * expensive. This can cause bridge_reconfigure() to take a long time during
170 * which no other work can be done. To deal with this problem, we limit port
171 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
172 * call to bridge_reconfigure(). If there is more work to do after the limit
173 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
174 * This allows the rest of the code to catch up on important things like
175 * forwarding packets. */
176 #define OFP_PORT_ACTION_WINDOW 10
178 static void add_del_bridges(const struct ovsrec_open_vswitch
*);
179 static void bridge_run__(void);
180 static void bridge_create(const struct ovsrec_bridge
*);
181 static void bridge_destroy(struct bridge
*);
182 static struct bridge
*bridge_lookup(const char *name
);
183 static unixctl_cb_func bridge_unixctl_dump_flows
;
184 static unixctl_cb_func bridge_unixctl_reconnect
;
185 static size_t bridge_get_controllers(const struct bridge
*br
,
186 struct ovsrec_controller
***controllersp
);
187 static void bridge_collect_wanted_ports(struct bridge
*,
188 const unsigned long *splinter_vlans
,
189 struct shash
*wanted_ports
);
190 static void bridge_delete_ofprotos(void);
191 static void bridge_delete_or_reconfigure_ports(struct bridge
*);
192 static void bridge_del_ports(struct bridge
*,
193 const struct shash
*wanted_ports
);
194 static void bridge_add_ports(struct bridge
*,
195 const struct shash
*wanted_ports
);
197 static void bridge_configure_flow_miss_model(const char *opt
);
198 static void bridge_configure_datapath_id(struct bridge
*);
199 static void bridge_configure_netflow(struct bridge
*);
200 static void bridge_configure_forward_bpdu(struct bridge
*);
201 static void bridge_configure_mac_table(struct bridge
*);
202 static void bridge_configure_sflow(struct bridge
*, int *sflow_bridge_number
);
203 static void bridge_configure_ipfix(struct bridge
*);
204 static void bridge_configure_stp(struct bridge
*);
205 static void bridge_configure_tables(struct bridge
*);
206 static void bridge_configure_dp_desc(struct bridge
*);
207 static void bridge_configure_remotes(struct bridge
*,
208 const struct sockaddr_in
*managers
,
210 static void bridge_pick_local_hw_addr(struct bridge
*,
211 uint8_t ea
[ETH_ADDR_LEN
],
212 struct iface
**hw_addr_iface
);
213 static uint64_t bridge_pick_datapath_id(struct bridge
*,
214 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
215 struct iface
*hw_addr_iface
);
216 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
217 static bool bridge_has_bond_fake_iface(const struct bridge
*,
219 static bool port_is_bond_fake_iface(const struct port
*);
221 static unixctl_cb_func qos_unixctl_show
;
223 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
224 static void port_del_ifaces(struct port
*);
225 static void port_destroy(struct port
*);
226 static struct port
*port_lookup(const struct bridge
*, const char *name
);
227 static void port_configure(struct port
*);
228 static struct lacp_settings
*port_configure_lacp(struct port
*,
229 struct lacp_settings
*);
230 static void port_configure_bond(struct port
*, struct bond_settings
*);
231 static bool port_is_synthetic(const struct port
*);
233 static void reconfigure_system_stats(const struct ovsrec_open_vswitch
*);
234 static void run_system_stats(void);
236 static void bridge_configure_mirrors(struct bridge
*);
237 static struct mirror
*mirror_create(struct bridge
*,
238 const struct ovsrec_mirror
*);
239 static void mirror_destroy(struct mirror
*);
240 static bool mirror_configure(struct mirror
*);
241 static void mirror_refresh_stats(struct mirror
*);
243 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
244 static bool iface_create(struct bridge
*, const struct ovsrec_interface
*,
245 const struct ovsrec_port
*);
246 static bool iface_is_internal(const struct ovsrec_interface
*iface
,
247 const struct ovsrec_bridge
*br
);
248 static const char *iface_get_type(const struct ovsrec_interface
*,
249 const struct ovsrec_bridge
*);
250 static void iface_destroy(struct iface
*);
251 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
252 static struct iface
*iface_find(const char *name
);
253 static struct iface
*iface_from_ofp_port(const struct bridge
*,
254 ofp_port_t ofp_port
);
255 static void iface_set_mac(struct iface
*, const uint8_t *);
256 static void iface_set_ofport(const struct ovsrec_interface
*, ofp_port_t ofport
);
257 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
);
258 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
259 static void iface_configure_cfm(struct iface
*);
260 static void iface_refresh_cfm_stats(struct iface
*);
261 static void iface_refresh_stats(struct iface
*);
262 static void iface_refresh_status(struct iface
*);
263 static bool iface_is_synthetic(const struct iface
*);
264 static ofp_port_t
iface_get_requested_ofp_port(
265 const struct ovsrec_interface
*);
266 static ofp_port_t
iface_pick_ofport(const struct ovsrec_interface
*);
268 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
270 * This is deprecated. It is only for compatibility with broken device drivers
271 * in old versions of Linux that do not properly support VLANs when VLAN
272 * devices are not used. When broken device drivers are no longer in
273 * widespread use, we will delete these interfaces. */
275 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
276 static bool vlan_splinters_enabled_anywhere
;
278 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
279 static unsigned long int *collect_splinter_vlans(
280 const struct ovsrec_open_vswitch
*);
281 static void configure_splinter_port(struct port
*);
282 static void add_vlan_splinter_ports(struct bridge
*,
283 const unsigned long int *splinter_vlans
,
284 struct shash
*ports
);
287 bridge_init_ofproto(const struct ovsrec_open_vswitch
*cfg
)
289 struct shash iface_hints
;
290 static bool initialized
= false;
297 shash_init(&iface_hints
);
300 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
301 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
304 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
305 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
308 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
309 struct ovsrec_interface
*if_cfg
= port_cfg
->interfaces
[k
];
310 struct iface_hint
*iface_hint
;
312 iface_hint
= xmalloc(sizeof *iface_hint
);
313 iface_hint
->br_name
= br_cfg
->name
;
314 iface_hint
->br_type
= br_cfg
->datapath_type
;
315 iface_hint
->ofp_port
= iface_pick_ofport(if_cfg
);
317 shash_add(&iface_hints
, if_cfg
->name
, iface_hint
);
323 ofproto_init(&iface_hints
);
325 shash_destroy_free_data(&iface_hints
);
329 /* Public functions. */
331 /* Initializes the bridge module, configuring it to obtain its configuration
332 * from an OVSDB server accessed over 'remote', which should be a string in a
333 * form acceptable to ovsdb_idl_create(). */
335 bridge_init(const char *remote
)
337 /* Create connection to database. */
338 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true, true);
339 idl_seqno
= ovsdb_idl_get_seqno(idl
);
340 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
341 ovsdb_idl_verify_write_only(idl
);
343 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
344 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
345 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
346 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
347 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
348 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
349 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
351 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
352 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
353 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
355 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
356 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
357 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
359 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
360 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
361 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
362 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
363 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
364 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mac_in_use
);
365 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ifindex
);
366 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
367 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
368 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
369 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
370 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
371 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
372 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
373 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_flap_count
);
374 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_health
);
375 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_opstate
);
376 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_bfd_status
);
377 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
378 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
380 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
381 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
382 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
383 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
385 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
387 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
389 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
390 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
392 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
393 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
394 ovsdb_idl_omit(idl
, &ovsrec_ipfix_col_external_ids
);
395 ovsdb_idl_omit(idl
, &ovsrec_flow_sample_collector_set_col_external_ids
);
397 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
398 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
399 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
400 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
401 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
403 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
405 /* Register unixctl commands. */
406 unixctl_command_register("qos/show", "interface", 1, 1,
407 qos_unixctl_show
, NULL
);
408 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
409 bridge_unixctl_dump_flows
, NULL
);
410 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
411 bridge_unixctl_reconnect
, NULL
);
421 struct bridge
*br
, *next_br
;
423 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
426 ovsdb_idl_destroy(idl
);
429 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
430 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
431 * responsible for freeing '*managersp' (with free()).
433 * You may be asking yourself "why does ovs-vswitchd care?", because
434 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
435 * should not be and in fact is not directly involved in that. But
436 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
437 * it has to tell in-band control where the managers are to enable that.
438 * (Thus, only managers connected in-band are collected.)
441 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
442 struct sockaddr_in
**managersp
, size_t *n_managersp
)
444 struct sockaddr_in
*managers
= NULL
;
445 size_t n_managers
= 0;
449 /* Collect all of the potential targets from the "targets" columns of the
450 * rows pointed to by "manager_options", excluding any that are
453 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
454 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
456 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
457 sset_find_and_delete(&targets
, m
->target
);
459 sset_add(&targets
, m
->target
);
463 /* Now extract the targets' IP addresses. */
464 if (!sset_is_empty(&targets
)) {
467 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
468 SSET_FOR_EACH (target
, &targets
) {
469 struct sockaddr_in
*sin
= &managers
[n_managers
];
471 if (stream_parse_target_with_default_port(target
,
478 sset_destroy(&targets
);
480 *managersp
= managers
;
481 *n_managersp
= n_managers
;
485 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
487 unsigned long int *splinter_vlans
;
488 struct sockaddr_in
*managers
;
489 struct bridge
*br
, *next
;
490 int sflow_bridge_number
;
493 COVERAGE_INC(bridge_reconfigure
);
495 ofproto_set_flow_limit(smap_get_int(&ovs_cfg
->other_config
, "flow-limit",
496 OFPROTO_FLOW_LIMIT_DEFAULT
));
499 smap_get_int(&ovs_cfg
->other_config
, "n-handler-threads", 0),
500 smap_get_int(&ovs_cfg
->other_config
, "n-revalidator-threads", 0));
502 bridge_configure_flow_miss_model(smap_get(&ovs_cfg
->other_config
,
503 "force-miss-model"));
505 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
506 * to 'ovs_cfg', with only very minimal configuration otherwise.
508 * This is mostly an update to bridge data structures. Nothing is pushed
509 * down to ofproto or lower layers. */
510 add_del_bridges(ovs_cfg
);
511 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
512 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
513 bridge_collect_wanted_ports(br
, splinter_vlans
, &br
->wanted_ports
);
514 bridge_del_ports(br
, &br
->wanted_ports
);
516 free(splinter_vlans
);
518 /* Start pushing configuration changes down to the ofproto layer:
520 * - Delete ofprotos that are no longer configured.
522 * - Delete ports that are no longer configured.
524 * - Reconfigure existing ports to their desired configurations, or
525 * delete them if not possible.
527 * We have to do all the deletions before we can do any additions, because
528 * the ports to be added might require resources that will be freed up by
529 * deletions (they might especially overlap in name). */
530 bridge_delete_ofprotos();
531 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
533 bridge_delete_or_reconfigure_ports(br
);
537 /* Finish pushing configuration changes to the ofproto layer:
539 * - Create ofprotos that are missing.
541 * - Add ports that are missing. */
542 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
546 error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
548 VLOG_ERR("failed to create bridge %s: %s", br
->name
,
549 ovs_strerror(error
));
550 shash_destroy(&br
->wanted_ports
);
555 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
556 bridge_add_ports(br
, &br
->wanted_ports
);
557 shash_destroy(&br
->wanted_ports
);
560 reconfigure_system_stats(ovs_cfg
);
562 /* Complete the configuration. */
563 sflow_bridge_number
= 0;
564 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
565 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
568 /* We need the datapath ID early to allow LACP ports to use it as the
569 * default system ID. */
570 bridge_configure_datapath_id(br
);
572 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
575 port_configure(port
);
577 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
578 iface_configure_cfm(iface
);
579 iface_configure_qos(iface
, port
->cfg
->qos
);
580 iface_set_mac(iface
, port
->cfg
->fake_bridge
? br
->ea
: NULL
);
581 ofproto_port_set_bfd(br
->ofproto
, iface
->ofp_port
,
585 bridge_configure_mirrors(br
);
586 bridge_configure_forward_bpdu(br
);
587 bridge_configure_mac_table(br
);
588 bridge_configure_remotes(br
, managers
, n_managers
);
589 bridge_configure_netflow(br
);
590 bridge_configure_sflow(br
, &sflow_bridge_number
);
591 bridge_configure_ipfix(br
);
592 bridge_configure_stp(br
);
593 bridge_configure_tables(br
);
594 bridge_configure_dp_desc(br
);
596 if (smap_get(&br
->cfg
->other_config
, "flow-eviction-threshold")) {
597 /* XXX: Remove this warning message eventually. */
598 VLOG_WARN_ONCE("As of June 2013, flow-eviction-threshold has been"
599 " moved to the Open_vSwitch table. Ignoring its"
600 " setting in the bridge table.");
605 /* The ofproto-dpif provider does some final reconfiguration in its
606 * ->type_run() function. We have to call it before notifying the database
607 * client that reconfiguration is complete, otherwise there is a very
608 * narrow race window in which e.g. ofproto/trace will not recognize the
609 * new configuration (sometimes this causes unit test failures). */
613 /* Delete ofprotos which aren't configured or have the wrong type. Create
614 * ofprotos which don't exist but need to. */
616 bridge_delete_ofprotos(void)
623 /* Delete ofprotos with no bridge or with the wrong type. */
626 ofproto_enumerate_types(&types
);
627 SSET_FOR_EACH (type
, &types
) {
630 ofproto_enumerate_names(type
, &names
);
631 SSET_FOR_EACH (name
, &names
) {
632 br
= bridge_lookup(name
);
633 if (!br
|| strcmp(type
, br
->type
)) {
634 ofproto_delete(name
, type
);
638 sset_destroy(&names
);
639 sset_destroy(&types
);
643 add_ofp_port(ofp_port_t port
, ofp_port_t
*ports
, size_t *n
, size_t *allocated
)
645 if (*n
>= *allocated
) {
646 ports
= x2nrealloc(ports
, allocated
, sizeof *ports
);
648 ports
[(*n
)++] = port
;
653 bridge_delete_or_reconfigure_ports(struct bridge
*br
)
655 struct ofproto_port ofproto_port
;
656 struct ofproto_port_dump dump
;
658 /* List of "ofp_port"s to delete. We make a list instead of deleting them
659 * right away because ofproto implementations aren't necessarily able to
660 * iterate through a changing list of ports in an entirely robust way. */
668 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
669 ofp_port_t requested_ofp_port
;
672 iface
= iface_lookup(br
, ofproto_port
.name
);
674 /* No such iface is configured, so we should delete this
677 * As a corner case exception, keep the port if it's a bond fake
679 if (bridge_has_bond_fake_iface(br
, ofproto_port
.name
)
680 && !strcmp(ofproto_port
.type
, "internal")) {
686 if (strcmp(ofproto_port
.type
, iface
->type
)
687 || netdev_set_config(iface
->netdev
, &iface
->cfg
->options
)) {
688 /* The interface is the wrong type or can't be configured.
693 /* If the requested OpenFlow port for 'iface' changed, and it's not
694 * already the correct port, then we might want to temporarily delete
695 * this interface, so we can add it back again with the new OpenFlow
697 requested_ofp_port
= iface_get_requested_ofp_port(iface
->cfg
);
698 if (iface
->ofp_port
!= OFPP_LOCAL
&&
699 requested_ofp_port
!= OFPP_NONE
&&
700 requested_ofp_port
!= iface
->ofp_port
) {
701 ofp_port_t victim_request
;
702 struct iface
*victim
;
704 /* Check for an existing OpenFlow port currently occupying
705 * 'iface''s requested port number. If there isn't one, then
706 * delete this port. Otherwise we need to consider further. */
707 victim
= iface_from_ofp_port(br
, requested_ofp_port
);
712 /* 'victim' is a port currently using 'iface''s requested port
713 * number. Unless 'victim' specifically requested that port
714 * number, too, then we can delete both 'iface' and 'victim'
715 * temporarily. (We'll add both of them back again later with new
716 * OpenFlow port numbers.)
718 * If 'victim' did request port number 'requested_ofp_port', just
719 * like 'iface', then that's a configuration inconsistency that we
720 * can't resolve. We might as well let it keep its current port
722 victim_request
= iface_get_requested_ofp_port(victim
->cfg
);
723 if (victim_request
!= requested_ofp_port
) {
724 del
= add_ofp_port(victim
->ofp_port
, del
, &n
, &allocated
);
725 iface_destroy(victim
);
734 iface_destroy(iface
);
735 del
= add_ofp_port(ofproto_port
.ofp_port
, del
, &n
, &allocated
);
738 for (i
= 0; i
< n
; i
++) {
739 ofproto_port_del(br
->ofproto
, del
[i
]);
745 bridge_add_ports__(struct bridge
*br
, const struct shash
*wanted_ports
,
746 bool with_requested_port
)
748 struct shash_node
*port_node
;
750 SHASH_FOR_EACH (port_node
, wanted_ports
) {
751 const struct ovsrec_port
*port_cfg
= port_node
->data
;
754 for (i
= 0; i
< port_cfg
->n_interfaces
; i
++) {
755 const struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[i
];
756 ofp_port_t requested_ofp_port
;
758 requested_ofp_port
= iface_get_requested_ofp_port(iface_cfg
);
759 if ((requested_ofp_port
!= OFPP_NONE
) == with_requested_port
) {
760 struct iface
*iface
= iface_lookup(br
, iface_cfg
->name
);
763 iface_create(br
, iface_cfg
, port_cfg
);
771 bridge_add_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
773 /* First add interfaces that request a particular port number. */
774 bridge_add_ports__(br
, wanted_ports
, true);
776 /* Then add interfaces that want automatic port number assignment.
777 * We add these afterward to avoid accidentally taking a specifically
778 * requested port number. */
779 bridge_add_ports__(br
, wanted_ports
, false);
783 port_configure(struct port
*port
)
785 const struct ovsrec_port
*cfg
= port
->cfg
;
786 struct bond_settings bond_settings
;
787 struct lacp_settings lacp_settings
;
788 struct ofproto_bundle_settings s
;
791 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
792 configure_splinter_port(port
);
801 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
802 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
803 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
808 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
812 /* Get VLAN trunks. */
815 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
819 if (cfg
->vlan_mode
) {
820 if (!strcmp(cfg
->vlan_mode
, "access")) {
821 s
.vlan_mode
= PORT_VLAN_ACCESS
;
822 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
823 s
.vlan_mode
= PORT_VLAN_TRUNK
;
824 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
825 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
826 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
827 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
829 /* This "can't happen" because ovsdb-server should prevent it. */
830 VLOG_ERR("unknown VLAN mode %s", cfg
->vlan_mode
);
831 s
.vlan_mode
= PORT_VLAN_TRUNK
;
835 s
.vlan_mode
= PORT_VLAN_ACCESS
;
837 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
841 s
.vlan_mode
= PORT_VLAN_TRUNK
;
844 s
.use_priority_tags
= smap_get_bool(&cfg
->other_config
, "priority-tags",
847 /* Get LACP settings. */
848 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
852 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
853 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
854 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
857 s
.lacp_slaves
= NULL
;
860 /* Get bond settings. */
861 if (s
.n_slaves
> 1) {
862 s
.bond
= &bond_settings
;
863 port_configure_bond(port
, &bond_settings
);
866 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
867 netdev_set_miimon_interval(iface
->netdev
, 0);
872 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
881 bridge_configure_flow_miss_model(const char *opt
)
883 enum ofproto_flow_miss_model model
= OFPROTO_HANDLE_MISS_AUTO
;
886 if (!strcmp(opt
, "with-facets")) {
887 model
= OFPROTO_HANDLE_MISS_WITH_FACETS
;
888 } else if (!strcmp(opt
, "without-facets")) {
889 model
= OFPROTO_HANDLE_MISS_WITHOUT_FACETS
;
893 ofproto_set_flow_miss_model(model
);
896 /* Pick local port hardware address and datapath ID for 'br'. */
898 bridge_configure_datapath_id(struct bridge
*br
)
900 uint8_t ea
[ETH_ADDR_LEN
];
902 struct iface
*local_iface
;
903 struct iface
*hw_addr_iface
;
906 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
907 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
909 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
911 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
912 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
913 "Ethernet address: %s",
914 br
->name
, ovs_strerror(error
));
917 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
919 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
920 if (dpid
!= ofproto_get_datapath_id(br
->ofproto
)) {
921 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64
, br
->name
, dpid
);
922 ofproto_set_datapath_id(br
->ofproto
, dpid
);
925 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
926 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
930 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
933 bridge_get_allowed_versions(struct bridge
*br
)
935 if (!br
->cfg
->n_protocols
)
938 return ofputil_versions_from_strings(br
->cfg
->protocols
,
939 br
->cfg
->n_protocols
);
942 /* Set NetFlow configuration on 'br'. */
944 bridge_configure_netflow(struct bridge
*br
)
946 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
947 struct netflow_options opts
;
950 ofproto_set_netflow(br
->ofproto
, NULL
);
954 memset(&opts
, 0, sizeof opts
);
956 /* Get default NetFlow configuration from datapath.
957 * Apply overrides from 'cfg'. */
958 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
959 if (cfg
->engine_type
) {
960 opts
.engine_type
= *cfg
->engine_type
;
962 if (cfg
->engine_id
) {
963 opts
.engine_id
= *cfg
->engine_id
;
966 /* Configure active timeout interval. */
967 opts
.active_timeout
= cfg
->active_timeout
;
968 if (!opts
.active_timeout
) {
969 opts
.active_timeout
= -1;
970 } else if (opts
.active_timeout
< 0) {
971 VLOG_WARN("bridge %s: active timeout interval set to negative "
972 "value, using default instead (%d seconds)", br
->name
,
973 NF_ACTIVE_TIMEOUT_DEFAULT
);
974 opts
.active_timeout
= -1;
977 /* Add engine ID to interface number to disambiguate bridgs? */
978 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
979 if (opts
.add_id_to_iface
) {
980 if (opts
.engine_id
> 0x7f) {
981 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
982 "another vswitch, choose an engine id less than 128",
985 if (hmap_count(&br
->ports
) > 508) {
986 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
987 "another port when more than 508 ports are used",
993 sset_init(&opts
.collectors
);
994 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
997 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
998 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
1000 sset_destroy(&opts
.collectors
);
1003 /* Set sFlow configuration on 'br'. */
1005 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
1007 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
1008 struct ovsrec_controller
**controllers
;
1009 struct ofproto_sflow_options oso
;
1010 size_t n_controllers
;
1014 ofproto_set_sflow(br
->ofproto
, NULL
);
1018 memset(&oso
, 0, sizeof oso
);
1020 sset_init(&oso
.targets
);
1021 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
1023 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1024 if (cfg
->sampling
) {
1025 oso
.sampling_rate
= *cfg
->sampling
;
1028 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
1030 oso
.polling_interval
= *cfg
->polling
;
1033 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
1035 oso
.header_len
= *cfg
->header
;
1038 oso
.sub_id
= (*sflow_bridge_number
)++;
1039 oso
.agent_device
= cfg
->agent
;
1041 oso
.control_ip
= NULL
;
1042 n_controllers
= bridge_get_controllers(br
, &controllers
);
1043 for (i
= 0; i
< n_controllers
; i
++) {
1044 if (controllers
[i
]->local_ip
) {
1045 oso
.control_ip
= controllers
[i
]->local_ip
;
1049 ofproto_set_sflow(br
->ofproto
, &oso
);
1051 sset_destroy(&oso
.targets
);
1054 /* Returns whether a IPFIX row is valid. */
1056 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix
*ipfix
)
1058 return ipfix
&& ipfix
->n_targets
> 0;
1061 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
1063 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set
*fscs
,
1064 const struct bridge
*br
)
1066 return ovsrec_ipfix_is_valid(fscs
->ipfix
) && fscs
->bridge
== br
->cfg
;
1069 /* Set IPFIX configuration on 'br'. */
1071 bridge_configure_ipfix(struct bridge
*br
)
1073 const struct ovsrec_ipfix
*be_cfg
= br
->cfg
->ipfix
;
1074 bool valid_be_cfg
= ovsrec_ipfix_is_valid(be_cfg
);
1075 const struct ovsrec_flow_sample_collector_set
*fe_cfg
;
1076 struct ofproto_ipfix_bridge_exporter_options be_opts
;
1077 struct ofproto_ipfix_flow_exporter_options
*fe_opts
= NULL
;
1078 size_t n_fe_opts
= 0;
1080 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1081 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1086 if (!valid_be_cfg
&& n_fe_opts
== 0) {
1087 ofproto_set_ipfix(br
->ofproto
, NULL
, NULL
, 0);
1092 memset(&be_opts
, 0, sizeof be_opts
);
1094 sset_init(&be_opts
.targets
);
1095 sset_add_array(&be_opts
.targets
, be_cfg
->targets
, be_cfg
->n_targets
);
1097 if (be_cfg
->sampling
) {
1098 be_opts
.sampling_rate
= *be_cfg
->sampling
;
1100 be_opts
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1102 if (be_cfg
->obs_domain_id
) {
1103 be_opts
.obs_domain_id
= *be_cfg
->obs_domain_id
;
1105 if (be_cfg
->obs_point_id
) {
1106 be_opts
.obs_point_id
= *be_cfg
->obs_point_id
;
1108 if (be_cfg
->cache_active_timeout
) {
1109 be_opts
.cache_active_timeout
= *be_cfg
->cache_active_timeout
;
1111 if (be_cfg
->cache_max_flows
) {
1112 be_opts
.cache_max_flows
= *be_cfg
->cache_max_flows
;
1116 if (n_fe_opts
> 0) {
1117 struct ofproto_ipfix_flow_exporter_options
*opts
;
1118 fe_opts
= xcalloc(n_fe_opts
, sizeof *fe_opts
);
1120 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1121 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1122 opts
->collector_set_id
= fe_cfg
->id
;
1123 sset_init(&opts
->targets
);
1124 sset_add_array(&opts
->targets
, fe_cfg
->ipfix
->targets
,
1125 fe_cfg
->ipfix
->n_targets
);
1126 opts
->cache_active_timeout
= fe_cfg
->ipfix
->cache_active_timeout
1127 ? *fe_cfg
->ipfix
->cache_active_timeout
: 0;
1128 opts
->cache_max_flows
= fe_cfg
->ipfix
->cache_max_flows
1129 ? *fe_cfg
->ipfix
->cache_max_flows
: 0;
1135 ofproto_set_ipfix(br
->ofproto
, valid_be_cfg
? &be_opts
: NULL
, fe_opts
,
1139 sset_destroy(&be_opts
.targets
);
1142 if (n_fe_opts
> 0) {
1143 struct ofproto_ipfix_flow_exporter_options
*opts
= fe_opts
;
1145 for (i
= 0; i
< n_fe_opts
; i
++) {
1146 sset_destroy(&opts
->targets
);
1154 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
1155 struct ofproto_port_stp_settings
*port_s
,
1156 int *port_num_counter
, unsigned long *port_num_bitmap
)
1158 const char *config_str
;
1159 struct iface
*iface
;
1161 if (!smap_get_bool(&port
->cfg
->other_config
, "stp-enable", true)) {
1162 port_s
->enable
= false;
1165 port_s
->enable
= true;
1168 /* STP over bonds is not supported. */
1169 if (!list_is_singleton(&port
->ifaces
)) {
1170 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1172 port_s
->enable
= false;
1176 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1178 /* Internal ports shouldn't participate in spanning tree, so
1180 if (!strcmp(iface
->type
, "internal")) {
1181 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
1182 port_s
->enable
= false;
1186 /* STP on mirror output ports is not supported. */
1187 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1188 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
1189 port_s
->enable
= false;
1193 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-num");
1195 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1196 int port_idx
= port_num
- 1;
1198 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
1199 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
1200 port_s
->enable
= false;
1204 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
1205 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1206 port
->name
, port_num
);
1207 port_s
->enable
= false;
1210 bitmap_set1(port_num_bitmap
, port_idx
);
1211 port_s
->port_num
= port_idx
;
1213 if (*port_num_counter
>= STP_MAX_PORTS
) {
1214 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
1215 port_s
->enable
= false;
1219 port_s
->port_num
= (*port_num_counter
)++;
1222 config_str
= smap_get(&port
->cfg
->other_config
, "stp-path-cost");
1224 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1226 enum netdev_features current
;
1229 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1230 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1231 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
1234 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-priority");
1236 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1238 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
1242 /* Set spanning tree configuration on 'br'. */
1244 bridge_configure_stp(struct bridge
*br
)
1246 if (!br
->cfg
->stp_enable
) {
1247 ofproto_set_stp(br
->ofproto
, NULL
);
1249 struct ofproto_stp_settings br_s
;
1250 const char *config_str
;
1252 int port_num_counter
;
1253 unsigned long *port_num_bitmap
;
1255 config_str
= smap_get(&br
->cfg
->other_config
, "stp-system-id");
1257 uint8_t ea
[ETH_ADDR_LEN
];
1259 if (eth_addr_from_string(config_str
, ea
)) {
1260 br_s
.system_id
= eth_addr_to_uint64(ea
);
1262 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1263 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1264 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1267 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1270 config_str
= smap_get(&br
->cfg
->other_config
, "stp-priority");
1272 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1274 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
1277 config_str
= smap_get(&br
->cfg
->other_config
, "stp-hello-time");
1279 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
1281 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
1284 config_str
= smap_get(&br
->cfg
->other_config
, "stp-max-age");
1286 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
1288 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
1291 config_str
= smap_get(&br
->cfg
->other_config
, "stp-forward-delay");
1293 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
1295 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
1298 /* Configure STP on the bridge. */
1299 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
1300 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
1304 /* Users must either set the port number with the "stp-port-num"
1305 * configuration on all ports or none. If manual configuration
1306 * is not done, then we allocate them sequentially. */
1307 port_num_counter
= 0;
1308 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
1309 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1310 struct ofproto_port_stp_settings port_s
;
1311 struct iface
*iface
;
1313 port_configure_stp(br
->ofproto
, port
, &port_s
,
1314 &port_num_counter
, port_num_bitmap
);
1316 /* As bonds are not supported, just apply configuration to
1317 * all interfaces. */
1318 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1319 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
1321 VLOG_ERR("port %s: could not enable STP", port
->name
);
1327 if (bitmap_scan(port_num_bitmap
, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
1328 && port_num_counter
) {
1329 VLOG_ERR("bridge %s: must manually configure all STP port "
1330 "IDs or none, disabling", br
->name
);
1331 ofproto_set_stp(br
->ofproto
, NULL
);
1333 bitmap_free(port_num_bitmap
);
1338 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
1340 const struct port
*port
= port_lookup(br
, name
);
1341 return port
&& port_is_bond_fake_iface(port
);
1345 port_is_bond_fake_iface(const struct port
*port
)
1347 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
1351 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
1353 struct bridge
*br
, *next
;
1354 struct shash new_br
;
1357 /* Collect new bridges' names and types. */
1358 shash_init(&new_br
);
1359 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1360 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1361 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1363 if (strchr(br_cfg
->name
, '/')) {
1364 /* Prevent remote ovsdb-server users from accessing arbitrary
1365 * directories, e.g. consider a bridge named "../../../etc/". */
1366 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1368 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1369 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1373 /* Get rid of deleted bridges or those whose types have changed.
1374 * Update 'cfg' of bridges that still exist. */
1375 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1376 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1377 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1378 br
->cfg
->datapath_type
))) {
1383 /* Add new bridges. */
1384 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1385 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1386 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1388 bridge_create(br_cfg
);
1392 shash_destroy(&new_br
);
1395 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1396 * Returns 0 if successful, otherwise a positive errno value. */
1398 iface_set_netdev_config(const struct ovsrec_interface
*iface_cfg
,
1399 struct netdev
*netdev
)
1401 return netdev_set_config(netdev
, &iface_cfg
->options
);
1404 /* Opens a network device for 'if_cfg' and configures it. Adds the network
1405 * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'.
1407 * If successful, returns 0 and stores the network device in '*netdevp'. On
1408 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1410 iface_do_create(const struct bridge
*br
,
1411 const struct ovsrec_interface
*iface_cfg
,
1412 const struct ovsrec_port
*port_cfg
,
1413 ofp_port_t
*ofp_portp
, struct netdev
**netdevp
)
1415 struct netdev
*netdev
= NULL
;
1418 if (netdev_is_reserved_name(iface_cfg
->name
)) {
1419 VLOG_WARN("could not create interface %s, name is reserved",
1425 error
= netdev_open(iface_cfg
->name
,
1426 iface_get_type(iface_cfg
, br
->cfg
), &netdev
);
1428 VLOG_WARN("could not open network device %s (%s)",
1429 iface_cfg
->name
, ovs_strerror(error
));
1433 error
= iface_set_netdev_config(iface_cfg
, netdev
);
1438 *ofp_portp
= iface_pick_ofport(iface_cfg
);
1439 error
= ofproto_port_add(br
->ofproto
, netdev
, ofp_portp
);
1444 VLOG_INFO("bridge %s: added interface %s on port %d",
1445 br
->name
, iface_cfg
->name
, *ofp_portp
);
1447 if ((port_cfg
->vlan_mode
&& !strcmp(port_cfg
->vlan_mode
, "splinter"))
1448 || iface_is_internal(iface_cfg
, br
->cfg
)) {
1449 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
1457 netdev_close(netdev
);
1461 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1462 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1463 * automatically allocated for the iface. Takes ownership of and
1464 * deallocates 'if_cfg'.
1466 * Return true if an iface is successfully created, false otherwise. */
1468 iface_create(struct bridge
*br
, const struct ovsrec_interface
*iface_cfg
,
1469 const struct ovsrec_port
*port_cfg
)
1471 struct netdev
*netdev
;
1472 struct iface
*iface
;
1473 ofp_port_t ofp_port
;
1477 /* Do the bits that can fail up front. */
1478 ovs_assert(!iface_lookup(br
, iface_cfg
->name
));
1479 error
= iface_do_create(br
, iface_cfg
, port_cfg
, &ofp_port
, &netdev
);
1481 iface_set_ofport(iface_cfg
, OFPP_NONE
);
1482 iface_clear_db_record(iface_cfg
);
1486 /* Get or create the port structure. */
1487 port
= port_lookup(br
, port_cfg
->name
);
1489 port
= port_create(br
, port_cfg
);
1492 /* Create the iface structure. */
1493 iface
= xzalloc(sizeof *iface
);
1494 list_push_back(&port
->ifaces
, &iface
->port_elem
);
1495 hmap_insert(&br
->iface_by_name
, &iface
->name_node
,
1496 hash_string(iface_cfg
->name
, 0));
1498 iface
->name
= xstrdup(iface_cfg
->name
);
1499 iface
->ofp_port
= ofp_port
;
1500 iface
->netdev
= netdev
;
1501 iface
->type
= iface_get_type(iface_cfg
, br
->cfg
);
1502 iface
->cfg
= iface_cfg
;
1503 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
,
1504 hash_ofp_port(ofp_port
));
1506 iface_set_ofport(iface
->cfg
, ofp_port
);
1508 /* Populate initial status in database. */
1509 iface_refresh_stats(iface
);
1510 iface_refresh_status(iface
);
1512 /* Add bond fake iface if necessary. */
1513 if (port_is_bond_fake_iface(port
)) {
1514 struct ofproto_port ofproto_port
;
1516 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1518 struct netdev
*netdev
;
1521 error
= netdev_open(port
->name
, "internal", &netdev
);
1523 ofp_port_t fake_ofp_port
= OFPP_NONE
;
1524 ofproto_port_add(br
->ofproto
, netdev
, &fake_ofp_port
);
1525 netdev_close(netdev
);
1527 VLOG_WARN("could not open network device %s (%s)",
1528 port
->name
, ovs_strerror(error
));
1531 /* Already exists, nothing to do. */
1532 ofproto_port_destroy(&ofproto_port
);
1539 /* Set forward BPDU option. */
1541 bridge_configure_forward_bpdu(struct bridge
*br
)
1543 ofproto_set_forward_bpdu(br
->ofproto
,
1544 smap_get_bool(&br
->cfg
->other_config
,
1549 /* Set MAC learning table configuration for 'br'. */
1551 bridge_configure_mac_table(struct bridge
*br
)
1553 const char *idle_time_str
;
1556 const char *mac_table_size_str
;
1559 idle_time_str
= smap_get(&br
->cfg
->other_config
, "mac-aging-time");
1560 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1561 ? atoi(idle_time_str
)
1562 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1564 mac_table_size_str
= smap_get(&br
->cfg
->other_config
, "mac-table-size");
1565 mac_table_size
= (mac_table_size_str
&& atoi(mac_table_size_str
)
1566 ? atoi(mac_table_size_str
)
1569 ofproto_set_mac_table_config(br
->ofproto
, idle_time
, mac_table_size
);
1573 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1574 struct iface
**hw_addr_iface
)
1576 struct hmapx mirror_output_ports
;
1579 bool found_addr
= false;
1583 *hw_addr_iface
= NULL
;
1585 /* Did the user request a particular MAC? */
1586 hwaddr
= smap_get(&br
->cfg
->other_config
, "hwaddr");
1587 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
1588 if (eth_addr_is_multicast(ea
)) {
1589 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1590 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1591 } else if (eth_addr_is_zero(ea
)) {
1592 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
1598 /* Mirror output ports don't participate in picking the local hardware
1599 * address. ofproto can't help us find out whether a given port is a
1600 * mirror output because we haven't configured mirrors yet, so we need to
1601 * accumulate them ourselves. */
1602 hmapx_init(&mirror_output_ports
);
1603 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1604 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1605 if (m
->output_port
) {
1606 hmapx_add(&mirror_output_ports
, m
->output_port
);
1610 /* Otherwise choose the minimum non-local MAC address among all of the
1612 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1613 uint8_t iface_ea
[ETH_ADDR_LEN
];
1614 struct iface
*candidate
;
1615 struct iface
*iface
;
1617 /* Mirror output ports don't participate. */
1618 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1622 /* Choose the MAC address to represent the port. */
1624 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1625 /* Find the interface with this Ethernet address (if any) so that
1626 * we can provide the correct devname to the caller. */
1627 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1628 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1629 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1630 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1635 /* Choose the interface whose MAC address will represent the port.
1636 * The Linux kernel bonding code always chooses the MAC address of
1637 * the first slave added to a bond, and the Fedora networking
1638 * scripts always add slaves to a bond in alphabetical order, so
1639 * for compatibility we choose the interface with the name that is
1640 * first in alphabetical order. */
1641 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1642 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1647 /* The local port doesn't count (since we're trying to choose its
1648 * MAC address anyway). */
1649 if (iface
->ofp_port
== OFPP_LOCAL
) {
1654 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
1660 /* Compare against our current choice. */
1661 if (!eth_addr_is_multicast(iface_ea
) &&
1662 !eth_addr_is_local(iface_ea
) &&
1663 !eth_addr_is_reserved(iface_ea
) &&
1664 !eth_addr_is_zero(iface_ea
) &&
1665 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
1667 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
1668 *hw_addr_iface
= iface
;
1674 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
1675 *hw_addr_iface
= NULL
;
1678 hmapx_destroy(&mirror_output_ports
);
1681 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1682 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1683 * an interface on 'br', then that interface must be passed in as
1684 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1685 * 'hw_addr_iface' must be passed in as a null pointer. */
1687 bridge_pick_datapath_id(struct bridge
*br
,
1688 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
1689 struct iface
*hw_addr_iface
)
1692 * The procedure for choosing a bridge MAC address will, in the most
1693 * ordinary case, also choose a unique MAC that we can use as a datapath
1694 * ID. In some special cases, though, multiple bridges will end up with
1695 * the same MAC address. This is OK for the bridges, but it will confuse
1696 * the OpenFlow controller, because each datapath needs a unique datapath
1699 * Datapath IDs must be unique. It is also very desirable that they be
1700 * stable from one run to the next, so that policy set on a datapath
1703 const char *datapath_id
;
1706 datapath_id
= smap_get(&br
->cfg
->other_config
, "datapath-id");
1707 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
1711 if (!hw_addr_iface
) {
1713 * A purely internal bridge, that is, one that has no non-virtual
1714 * network devices on it at all, is difficult because it has no
1715 * natural unique identifier at all.
1717 * When the host is a XenServer, we handle this case by hashing the
1718 * host's UUID with the name of the bridge. Names of bridges are
1719 * persistent across XenServer reboots, although they can be reused if
1720 * an internal network is destroyed and then a new one is later
1721 * created, so this is fairly effective.
1723 * When the host is not a XenServer, we punt by using a random MAC
1724 * address on each run.
1726 const char *host_uuid
= xenserver_get_host_uuid();
1728 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
1729 dpid
= dpid_from_hash(combined
, strlen(combined
));
1735 return eth_addr_to_uint64(bridge_ea
);
1739 dpid_from_hash(const void *data
, size_t n
)
1741 uint8_t hash
[SHA1_DIGEST_SIZE
];
1743 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
1744 sha1_bytes(data
, n
, hash
);
1745 eth_addr_mark_random(hash
);
1746 return eth_addr_to_uint64(hash
);
1750 iface_refresh_status(struct iface
*iface
)
1754 enum netdev_features current
;
1758 uint8_t mac
[ETH_ADDR_LEN
];
1762 if (iface_is_synthetic(iface
)) {
1768 if (!netdev_get_status(iface
->netdev
, &smap
)) {
1769 ovsrec_interface_set_status(iface
->cfg
, &smap
);
1771 ovsrec_interface_set_status(iface
->cfg
, NULL
);
1774 smap_destroy(&smap
);
1776 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1777 bps
= !error
? netdev_features_to_bps(current
, 0) : 0;
1779 ovsrec_interface_set_duplex(iface
->cfg
,
1780 netdev_features_is_full_duplex(current
)
1782 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
1784 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
1785 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
1788 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
1791 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
1793 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
1796 error
= netdev_get_etheraddr(iface
->netdev
, mac
);
1798 char mac_string
[32];
1800 sprintf(mac_string
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
1801 ovsrec_interface_set_mac_in_use(iface
->cfg
, mac_string
);
1803 ovsrec_interface_set_mac_in_use(iface
->cfg
, NULL
);
1806 /* The netdev may return a negative number (such as -EOPNOTSUPP)
1807 * if there is no valid ifindex number. */
1808 ifindex64
= netdev_get_ifindex(iface
->netdev
);
1809 if (ifindex64
< 0) {
1812 ovsrec_interface_set_ifindex(iface
->cfg
, &ifindex64
, 1);
1815 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1818 iface_refresh_cfm_stats(struct iface
*iface
)
1820 const struct ovsrec_interface
*cfg
= iface
->cfg
;
1821 struct ofproto_cfm_status status
;
1823 if (!ofproto_port_get_cfm_status(iface
->port
->bridge
->ofproto
,
1824 iface
->ofp_port
, &status
)) {
1825 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
1826 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
1827 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
1828 ovsrec_interface_set_cfm_flap_count(cfg
, NULL
, 0);
1829 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
1830 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
1832 const char *reasons
[CFM_FAULT_N_REASONS
];
1833 int64_t cfm_health
= status
.health
;
1834 int64_t cfm_flap_count
= status
.flap_count
;
1835 bool faulted
= status
.faults
!= 0;
1838 ovsrec_interface_set_cfm_fault(cfg
, &faulted
, 1);
1841 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
1842 int reason
= 1 << i
;
1843 if (status
.faults
& reason
) {
1844 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
1847 ovsrec_interface_set_cfm_fault_status(cfg
, (char **) reasons
, j
);
1849 ovsrec_interface_set_cfm_flap_count(cfg
, &cfm_flap_count
, 1);
1851 if (status
.remote_opstate
>= 0) {
1852 const char *remote_opstate
= status
.remote_opstate
? "up" : "down";
1853 ovsrec_interface_set_cfm_remote_opstate(cfg
, remote_opstate
);
1855 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
1858 ovsrec_interface_set_cfm_remote_mpids(cfg
,
1859 (const int64_t *)status
.rmps
,
1861 if (cfm_health
>= 0) {
1862 ovsrec_interface_set_cfm_health(cfg
, &cfm_health
, 1);
1864 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
1872 iface_refresh_stats(struct iface
*iface
)
1874 #define IFACE_STATS \
1875 IFACE_STAT(rx_packets, "rx_packets") \
1876 IFACE_STAT(tx_packets, "tx_packets") \
1877 IFACE_STAT(rx_bytes, "rx_bytes") \
1878 IFACE_STAT(tx_bytes, "tx_bytes") \
1879 IFACE_STAT(rx_dropped, "rx_dropped") \
1880 IFACE_STAT(tx_dropped, "tx_dropped") \
1881 IFACE_STAT(rx_errors, "rx_errors") \
1882 IFACE_STAT(tx_errors, "tx_errors") \
1883 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1884 IFACE_STAT(rx_over_errors, "rx_over_err") \
1885 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1886 IFACE_STAT(collisions, "collisions")
1888 #define IFACE_STAT(MEMBER, NAME) + 1
1889 enum { N_IFACE_STATS
= IFACE_STATS
};
1891 int64_t values
[N_IFACE_STATS
];
1892 char *keys
[N_IFACE_STATS
];
1895 struct netdev_stats stats
;
1897 if (iface_is_synthetic(iface
)) {
1901 /* Intentionally ignore return value, since errors will set 'stats' to
1902 * all-1s, and we will deal with that correctly below. */
1903 netdev_get_stats(iface
->netdev
, &stats
);
1905 /* Copy statistics into keys[] and values[]. */
1907 #define IFACE_STAT(MEMBER, NAME) \
1908 if (stats.MEMBER != UINT64_MAX) { \
1910 values[n] = stats.MEMBER; \
1915 ovs_assert(n
<= N_IFACE_STATS
);
1917 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
, n
);
1922 br_refresh_stp_status(struct bridge
*br
)
1924 struct smap smap
= SMAP_INITIALIZER(&smap
);
1925 struct ofproto
*ofproto
= br
->ofproto
;
1926 struct ofproto_stp_status status
;
1928 if (ofproto_get_stp_status(ofproto
, &status
)) {
1932 if (!status
.enabled
) {
1933 ovsrec_bridge_set_status(br
->cfg
, NULL
);
1937 smap_add_format(&smap
, "stp_bridge_id", STP_ID_FMT
,
1938 STP_ID_ARGS(status
.bridge_id
));
1939 smap_add_format(&smap
, "stp_designated_root", STP_ID_FMT
,
1940 STP_ID_ARGS(status
.designated_root
));
1941 smap_add_format(&smap
, "stp_root_path_cost", "%d", status
.root_path_cost
);
1943 ovsrec_bridge_set_status(br
->cfg
, &smap
);
1944 smap_destroy(&smap
);
1948 port_refresh_stp_status(struct port
*port
)
1950 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
1951 struct iface
*iface
;
1952 struct ofproto_port_stp_status status
;
1955 if (port_is_synthetic(port
)) {
1959 /* STP doesn't currently support bonds. */
1960 if (!list_is_singleton(&port
->ifaces
)) {
1961 ovsrec_port_set_status(port
->cfg
, NULL
);
1965 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1966 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
1970 if (!status
.enabled
) {
1971 ovsrec_port_set_status(port
->cfg
, NULL
);
1975 /* Set Status column. */
1977 smap_add_format(&smap
, "stp_port_id", STP_PORT_ID_FMT
, status
.port_id
);
1978 smap_add(&smap
, "stp_state", stp_state_name(status
.state
));
1979 smap_add_format(&smap
, "stp_sec_in_state", "%u", status
.sec_in_state
);
1980 smap_add(&smap
, "stp_role", stp_role_name(status
.role
));
1981 ovsrec_port_set_status(port
->cfg
, &smap
);
1982 smap_destroy(&smap
);
1986 port_refresh_stp_stats(struct port
*port
)
1988 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
1989 struct iface
*iface
;
1990 struct ofproto_port_stp_stats stats
;
1992 int64_t int_values
[3];
1994 if (port_is_synthetic(port
)) {
1998 /* STP doesn't currently support bonds. */
1999 if (!list_is_singleton(&port
->ifaces
)) {
2003 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2004 if (ofproto_port_get_stp_stats(ofproto
, iface
->ofp_port
, &stats
)) {
2008 if (!stats
.enabled
) {
2009 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
2013 /* Set Statistics column. */
2014 keys
[0] = "stp_tx_count";
2015 int_values
[0] = stats
.tx_count
;
2016 keys
[1] = "stp_rx_count";
2017 int_values
[1] = stats
.rx_count
;
2018 keys
[2] = "stp_error_count";
2019 int_values
[2] = stats
.error_count
;
2021 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
2022 ARRAY_SIZE(int_values
));
2026 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2028 return smap_get_bool(&cfg
->other_config
, "enable-statistics", false);
2032 reconfigure_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2034 bool enable
= enable_system_stats(cfg
);
2036 system_stats_enable(enable
);
2038 ovsrec_open_vswitch_set_statistics(cfg
, NULL
);
2043 run_system_stats(void)
2045 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2048 stats
= system_stats_run();
2050 struct ovsdb_idl_txn
*txn
;
2051 struct ovsdb_datum datum
;
2053 txn
= ovsdb_idl_txn_create(idl
);
2054 ovsdb_datum_from_smap(&datum
, stats
);
2055 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
2057 ovsdb_idl_txn_commit(txn
);
2058 ovsdb_idl_txn_destroy(txn
);
2065 ofp12_controller_role_to_str(enum ofp12_controller_role role
)
2068 case OFPCR12_ROLE_EQUAL
:
2070 case OFPCR12_ROLE_MASTER
:
2072 case OFPCR12_ROLE_SLAVE
:
2074 case OFPCR12_ROLE_NOCHANGE
:
2076 return "*** INVALID ROLE ***";
2081 refresh_controller_status(void)
2085 const struct ovsrec_controller
*cfg
;
2089 /* Accumulate status for controllers on all bridges. */
2090 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2091 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
2094 /* Update each controller in the database with current status. */
2095 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
2096 struct ofproto_controller_info
*cinfo
=
2097 shash_find_data(&info
, cfg
->target
);
2100 struct smap smap
= SMAP_INITIALIZER(&smap
);
2101 const char **values
= cinfo
->pairs
.values
;
2102 const char **keys
= cinfo
->pairs
.keys
;
2105 for (i
= 0; i
< cinfo
->pairs
.n
; i
++) {
2106 smap_add(&smap
, keys
[i
], values
[i
]);
2109 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
2110 ovsrec_controller_set_role(cfg
, ofp12_controller_role_to_str(
2112 ovsrec_controller_set_status(cfg
, &smap
);
2113 smap_destroy(&smap
);
2115 ovsrec_controller_set_is_connected(cfg
, false);
2116 ovsrec_controller_set_role(cfg
, NULL
);
2117 ovsrec_controller_set_status(cfg
, NULL
);
2121 ofproto_free_ofproto_controller_info(&info
);
2126 * Some information in the database must be kept as up-to-date as possible to
2127 * allow controllers to respond rapidly to network outages. We call these
2128 * statistics "instant" stats.
2130 * We wish to update these statistics every INSTANT_INTERVAL_MSEC milliseconds,
2131 * assuming that they've changed. The only means we have to determine whether
2132 * they have changed are:
2134 * - Try to commit changes to the database. If nothing changed, then
2135 * ovsdb_idl_txn_commit() returns TXN_UNCHANGED, otherwise some other
2138 * - instant_stats_run() is called late in the run loop, after anything that
2139 * might change any of the instant stats.
2141 * We use these two facts together to avoid waking the process up every
2142 * INSTANT_INTERVAL_MSEC whether there is any change or not.
2145 /* Minimum interval between writing updates to the instant stats to the
2147 #define INSTANT_INTERVAL_MSEC 100
2149 /* Current instant stats database transaction, NULL if there is no ongoing
2151 static struct ovsdb_idl_txn
*instant_txn
;
2153 /* Next time (in msec on monotonic clock) at which we will update the instant
2155 static long long int instant_next_txn
= LLONG_MIN
;
2157 /* True if the run loop has run since we last saw that the instant stats were
2158 * unchanged, that is, this is true if we need to wake up at 'instant_next_txn'
2159 * to refresh the instant stats. */
2160 static bool instant_stats_could_have_changed
;
2163 instant_stats_run(void)
2165 enum ovsdb_idl_txn_status status
;
2167 instant_stats_could_have_changed
= true;
2173 if (time_msec() < instant_next_txn
) {
2176 instant_next_txn
= time_msec() + INSTANT_INTERVAL_MSEC
;
2178 seq
= seq_read(connectivity_seq_get());
2179 if (seq
== connectivity_seqno
) {
2182 connectivity_seqno
= seq
;
2184 instant_txn
= ovsdb_idl_txn_create(idl
);
2185 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2186 struct iface
*iface
;
2189 br_refresh_stp_status(br
);
2191 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2192 port_refresh_stp_status(port
);
2195 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
2196 enum netdev_flags flags
;
2198 const char *link_state
;
2199 int64_t link_resets
;
2202 if (iface_is_synthetic(iface
)) {
2206 current
= ofproto_port_is_lacp_current(br
->ofproto
,
2210 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
2212 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
2215 error
= netdev_get_flags(iface
->netdev
, &flags
);
2217 const char *state
= flags
& NETDEV_UP
? "up" : "down";
2218 ovsrec_interface_set_admin_state(iface
->cfg
, state
);
2220 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
2223 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
2224 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
2226 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
2227 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
2229 iface_refresh_cfm_stats(iface
);
2232 ofproto_port_get_bfd_status(br
->ofproto
, iface
->ofp_port
,
2234 ovsrec_interface_set_bfd_status(iface
->cfg
, &smap
);
2235 smap_destroy(&smap
);
2240 status
= ovsdb_idl_txn_commit(instant_txn
);
2241 if (status
!= TXN_INCOMPLETE
) {
2242 ovsdb_idl_txn_destroy(instant_txn
);
2245 if (status
== TXN_UNCHANGED
) {
2246 instant_stats_could_have_changed
= false;
2251 instant_stats_wait(void)
2254 ovsdb_idl_txn_wait(instant_txn
);
2255 } else if (instant_stats_could_have_changed
) {
2256 poll_timer_wait_until(instant_next_txn
);
2267 /* Let each datapath type do the work that it needs to do. */
2269 ofproto_enumerate_types(&types
);
2270 SSET_FOR_EACH (type
, &types
) {
2271 ofproto_type_run(type
);
2273 sset_destroy(&types
);
2275 /* Let each bridge do the work that it needs to do. */
2276 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2277 ofproto_run(br
->ofproto
);
2284 static struct ovsrec_open_vswitch null_cfg
;
2285 const struct ovsrec_open_vswitch
*cfg
;
2287 bool vlan_splinters_changed
;
2290 ovsrec_open_vswitch_init(&null_cfg
);
2294 if (ovsdb_idl_is_lock_contended(idl
)) {
2295 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2296 struct bridge
*br
, *next_br
;
2298 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
2299 "disabling this process (pid %ld) until it goes away",
2300 (long int) getpid());
2302 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
2305 /* Since we will not be running system_stats_run() in this process
2306 * with the current situation of multiple ovs-vswitchd daemons,
2307 * disable system stats collection. */
2308 system_stats_enable(false);
2310 } else if (!ovsdb_idl_has_lock(idl
)) {
2313 cfg
= ovsrec_open_vswitch_first(idl
);
2315 /* Initialize the ofproto library. This only needs to run once, but
2316 * it must be done after the configuration is set. If the
2317 * initialization has already occurred, bridge_init_ofproto()
2318 * returns immediately. */
2319 bridge_init_ofproto(cfg
);
2321 /* Once the value of flow-restore-wait is false, we no longer should
2322 * check its value from the database. */
2323 if (cfg
&& ofproto_get_flow_restore_wait()) {
2324 ofproto_set_flow_restore_wait(smap_get_bool(&cfg
->other_config
,
2325 "flow-restore-wait", false));
2330 /* Re-configure SSL. We do this on every trip through the main loop,
2331 * instead of just when the database changes, because the contents of the
2332 * key and certificate files can change without the database changing.
2334 * We do this before bridge_reconfigure() because that function might
2335 * initiate SSL connections and thus requires SSL to be configured. */
2336 if (cfg
&& cfg
->ssl
) {
2337 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
2339 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
2340 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
2343 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2344 * usage has changed. */
2345 vlan_splinters_changed
= false;
2346 if (vlan_splinters_enabled_anywhere
) {
2347 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2348 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
2349 vlan_splinters_changed
= true;
2355 if (ovsdb_idl_get_seqno(idl
) != idl_seqno
|| vlan_splinters_changed
) {
2356 struct ovsdb_idl_txn
*txn
;
2358 idl_seqno
= ovsdb_idl_get_seqno(idl
);
2359 txn
= ovsdb_idl_txn_create(idl
);
2360 bridge_reconfigure(cfg
? cfg
: &null_cfg
);
2363 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
2366 /* If we are completing our initial configuration for this run
2367 * of ovs-vswitchd, then keep the transaction around to monitor
2368 * it for completion. */
2369 if (initial_config_done
) {
2370 ovsdb_idl_txn_commit(txn
);
2371 ovsdb_idl_txn_destroy(txn
);
2373 initial_config_done
= true;
2374 daemonize_txn
= txn
;
2378 if (daemonize_txn
) {
2379 enum ovsdb_idl_txn_status status
= ovsdb_idl_txn_commit(daemonize_txn
);
2380 if (status
!= TXN_INCOMPLETE
) {
2381 ovsdb_idl_txn_destroy(daemonize_txn
);
2382 daemonize_txn
= NULL
;
2384 /* ovs-vswitchd has completed initialization, so allow the
2385 * process that forked us to exit successfully. */
2386 daemonize_complete();
2388 vlog_enable_async();
2390 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name
, VERSION
);
2394 /* Refresh interface and mirror stats if necessary. */
2395 if (time_msec() >= iface_stats_timer
) {
2397 struct ovsdb_idl_txn
*txn
;
2399 txn
= ovsdb_idl_txn_create(idl
);
2400 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2404 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2405 struct iface
*iface
;
2407 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2408 iface_refresh_stats(iface
);
2409 iface_refresh_status(iface
);
2412 port_refresh_stp_stats(port
);
2415 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
2416 mirror_refresh_stats(m
);
2420 refresh_controller_status();
2421 ovsdb_idl_txn_commit(txn
);
2422 ovsdb_idl_txn_destroy(txn
); /* XXX */
2425 iface_stats_timer
= time_msec() + IFACE_STATS_INTERVAL
;
2429 instant_stats_run();
2438 ovsdb_idl_wait(idl
);
2439 if (daemonize_txn
) {
2440 ovsdb_idl_txn_wait(daemonize_txn
);
2444 ofproto_enumerate_types(&types
);
2445 SSET_FOR_EACH (type
, &types
) {
2446 ofproto_type_wait(type
);
2448 sset_destroy(&types
);
2450 if (!hmap_is_empty(&all_bridges
)) {
2453 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2454 ofproto_wait(br
->ofproto
);
2456 poll_timer_wait_until(iface_stats_timer
);
2459 system_stats_wait();
2460 instant_stats_wait();
2463 /* Adds some memory usage statistics for bridges into 'usage', for use with
2464 * memory_report(). */
2466 bridge_get_memory_usage(struct simap
*usage
)
2473 ofproto_enumerate_types(&types
);
2474 SSET_FOR_EACH (type
, &types
) {
2475 ofproto_type_get_memory_usage(type
, usage
);
2477 sset_destroy(&types
);
2479 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2480 ofproto_get_memory_usage(br
->ofproto
, usage
);
2484 /* QoS unixctl user interface functions. */
2486 struct qos_unixctl_show_cbdata
{
2488 struct iface
*iface
;
2492 qos_unixctl_show_queue(unsigned int queue_id
,
2493 const struct smap
*details
,
2494 struct iface
*iface
,
2497 struct netdev_queue_stats stats
;
2498 struct smap_node
*node
;
2501 ds_put_cstr(ds
, "\n");
2503 ds_put_format(ds
, "Queue %u:\n", queue_id
);
2505 ds_put_cstr(ds
, "Default:\n");
2508 SMAP_FOR_EACH (node
, details
) {
2509 ds_put_format(ds
, "\t%s: %s\n", node
->key
, node
->value
);
2512 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
2514 if (stats
.tx_packets
!= UINT64_MAX
) {
2515 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
2518 if (stats
.tx_bytes
!= UINT64_MAX
) {
2519 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
2522 if (stats
.tx_errors
!= UINT64_MAX
) {
2523 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
2526 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
2527 queue_id
, ovs_strerror(error
));
2532 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2533 const char *argv
[], void *aux OVS_UNUSED
)
2535 struct ds ds
= DS_EMPTY_INITIALIZER
;
2536 struct smap smap
= SMAP_INITIALIZER(&smap
);
2537 struct iface
*iface
;
2539 struct smap_node
*node
;
2541 iface
= iface_find(argv
[1]);
2543 unixctl_command_reply_error(conn
, "no such interface");
2547 netdev_get_qos(iface
->netdev
, &type
, &smap
);
2549 if (*type
!= '\0') {
2550 struct netdev_queue_dump dump
;
2551 struct smap details
;
2552 unsigned int queue_id
;
2554 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
2556 SMAP_FOR_EACH (node
, &smap
) {
2557 ds_put_format(&ds
, "%s: %s\n", node
->key
, node
->value
);
2560 smap_init(&details
);
2561 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
2562 qos_unixctl_show_queue(queue_id
, &details
, iface
, &ds
);
2564 smap_destroy(&details
);
2566 unixctl_command_reply(conn
, ds_cstr(&ds
));
2568 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
2569 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
2572 smap_destroy(&smap
);
2576 /* Bridge reconfiguration functions. */
2578 bridge_create(const struct ovsrec_bridge
*br_cfg
)
2582 ovs_assert(!bridge_lookup(br_cfg
->name
));
2583 br
= xzalloc(sizeof *br
);
2585 br
->name
= xstrdup(br_cfg
->name
);
2586 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
2589 /* Derive the default Ethernet address from the bridge's UUID. This should
2590 * be unique and it will be stable between ovs-vswitchd runs. */
2591 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
2592 eth_addr_mark_random(br
->default_ea
);
2594 hmap_init(&br
->ports
);
2595 hmap_init(&br
->ifaces
);
2596 hmap_init(&br
->iface_by_name
);
2597 hmap_init(&br
->mirrors
);
2599 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
2603 bridge_destroy(struct bridge
*br
)
2606 struct mirror
*mirror
, *next_mirror
;
2607 struct port
*port
, *next_port
;
2609 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
2612 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
2613 mirror_destroy(mirror
);
2616 hmap_remove(&all_bridges
, &br
->node
);
2617 ofproto_destroy(br
->ofproto
);
2618 hmap_destroy(&br
->ifaces
);
2619 hmap_destroy(&br
->ports
);
2620 hmap_destroy(&br
->iface_by_name
);
2621 hmap_destroy(&br
->mirrors
);
2628 static struct bridge
*
2629 bridge_lookup(const char *name
)
2633 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
2634 if (!strcmp(br
->name
, name
)) {
2641 /* Handle requests for a listing of all flows known by the OpenFlow
2642 * stack, including those normally hidden. */
2644 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2645 const char *argv
[], void *aux OVS_UNUSED
)
2650 br
= bridge_lookup(argv
[1]);
2652 unixctl_command_reply_error(conn
, "Unknown bridge");
2657 ofproto_get_all_flows(br
->ofproto
, &results
);
2659 unixctl_command_reply(conn
, ds_cstr(&results
));
2660 ds_destroy(&results
);
2663 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2664 * connections and reconnect. If BRIDGE is not specified, then all bridges
2665 * drop their controller connections and reconnect. */
2667 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
2668 const char *argv
[], void *aux OVS_UNUSED
)
2672 br
= bridge_lookup(argv
[1]);
2674 unixctl_command_reply_error(conn
, "Unknown bridge");
2677 ofproto_reconnect_controllers(br
->ofproto
);
2679 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2680 ofproto_reconnect_controllers(br
->ofproto
);
2683 unixctl_command_reply(conn
, NULL
);
2687 bridge_get_controllers(const struct bridge
*br
,
2688 struct ovsrec_controller
***controllersp
)
2690 struct ovsrec_controller
**controllers
;
2691 size_t n_controllers
;
2693 controllers
= br
->cfg
->controller
;
2694 n_controllers
= br
->cfg
->n_controller
;
2696 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
2702 *controllersp
= controllers
;
2704 return n_controllers
;
2708 bridge_collect_wanted_ports(struct bridge
*br
,
2709 const unsigned long int *splinter_vlans
,
2710 struct shash
*wanted_ports
)
2714 shash_init(wanted_ports
);
2716 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
2717 const char *name
= br
->cfg
->ports
[i
]->name
;
2718 if (!shash_add_once(wanted_ports
, name
, br
->cfg
->ports
[i
])) {
2719 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2723 if (bridge_get_controllers(br
, NULL
)
2724 && !shash_find(wanted_ports
, br
->name
)) {
2725 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2726 br
->name
, br
->name
);
2728 ovsrec_interface_init(&br
->synth_local_iface
);
2729 ovsrec_port_init(&br
->synth_local_port
);
2731 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
2732 br
->synth_local_port
.n_interfaces
= 1;
2733 br
->synth_local_port
.name
= br
->name
;
2735 br
->synth_local_iface
.name
= br
->name
;
2736 br
->synth_local_iface
.type
= "internal";
2738 br
->synth_local_ifacep
= &br
->synth_local_iface
;
2740 shash_add(wanted_ports
, br
->name
, &br
->synth_local_port
);
2743 if (splinter_vlans
) {
2744 add_vlan_splinter_ports(br
, splinter_vlans
, wanted_ports
);
2748 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2749 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2750 * 'br' needs to complete its configuration. */
2752 bridge_del_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
2754 struct shash_node
*port_node
;
2755 struct port
*port
, *next
;
2757 /* Get rid of deleted ports.
2758 * Get rid of deleted interfaces on ports that still exist. */
2759 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
2760 port
->cfg
= shash_find_data(wanted_ports
, port
->name
);
2764 port_del_ifaces(port
);
2768 /* Update iface->cfg and iface->type in interfaces that still exist. */
2769 SHASH_FOR_EACH (port_node
, wanted_ports
) {
2770 const struct ovsrec_port
*port
= port_node
->data
;
2773 for (i
= 0; i
< port
->n_interfaces
; i
++) {
2774 const struct ovsrec_interface
*cfg
= port
->interfaces
[i
];
2775 struct iface
*iface
= iface_lookup(br
, cfg
->name
);
2776 const char *type
= iface_get_type(cfg
, br
->cfg
);
2781 } else if (!strcmp(type
, "null")) {
2782 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2783 " may be removed in February 2013. Please email"
2784 " dev@openvswitch.org with concerns.",
2787 /* We will add new interfaces later. */
2793 /* Initializes 'oc' appropriately as a management service controller for
2796 * The caller must free oc->target when it is no longer needed. */
2798 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
2799 struct ofproto_controller
*oc
)
2801 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
2802 oc
->max_backoff
= 0;
2803 oc
->probe_interval
= 60;
2804 oc
->band
= OFPROTO_OUT_OF_BAND
;
2806 oc
->burst_limit
= 0;
2807 oc
->enable_async_msgs
= true;
2810 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2812 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
2813 struct ofproto_controller
*oc
)
2817 oc
->target
= c
->target
;
2818 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
2819 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
2820 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
2821 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
2822 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
2823 oc
->burst_limit
= (c
->controller_burst_limit
2824 ? *c
->controller_burst_limit
: 0);
2825 oc
->enable_async_msgs
= (!c
->enable_async_messages
2826 || *c
->enable_async_messages
);
2827 dscp
= smap_get_int(&c
->other_config
, "dscp", DSCP_DEFAULT
);
2828 if (dscp
< 0 || dscp
> 63) {
2829 dscp
= DSCP_DEFAULT
;
2834 /* Configures the IP stack for 'br''s local interface properly according to the
2835 * configuration in 'c'. */
2837 bridge_configure_local_iface_netdev(struct bridge
*br
,
2838 struct ovsrec_controller
*c
)
2840 struct netdev
*netdev
;
2841 struct in_addr mask
, gateway
;
2843 struct iface
*local_iface
;
2846 /* If there's no local interface or no IP address, give up. */
2847 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
2848 if (!local_iface
|| !c
->local_ip
|| !inet_aton(c
->local_ip
, &ip
)) {
2852 /* Bring up the local interface. */
2853 netdev
= local_iface
->netdev
;
2854 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
2856 /* Configure the IP address and netmask. */
2857 if (!c
->local_netmask
2858 || !inet_aton(c
->local_netmask
, &mask
)
2860 mask
.s_addr
= guess_netmask(ip
.s_addr
);
2862 if (!netdev_set_in4(netdev
, ip
, mask
)) {
2863 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
2864 br
->name
, IP_ARGS(ip
.s_addr
), IP_ARGS(mask
.s_addr
));
2867 /* Configure the default gateway. */
2868 if (c
->local_gateway
2869 && inet_aton(c
->local_gateway
, &gateway
)
2870 && gateway
.s_addr
) {
2871 if (!netdev_add_router(netdev
, gateway
)) {
2872 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
2873 br
->name
, IP_ARGS(gateway
.s_addr
));
2878 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2879 * in either string are treated as equal to any number of slashes in the other,
2880 * e.g. "x///y" is equal to "x/y".
2882 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
2883 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
2884 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
2885 * 'b' against a prefix of 'a'.
2888 equal_pathnames(const char *a
, const char *b
, size_t b_stoplen
)
2890 const char *b_start
= b
;
2892 if (b
- b_start
>= b_stoplen
) {
2894 } else if (*a
!= *b
) {
2896 } else if (*a
== '/') {
2897 a
+= strspn(a
, "/");
2898 b
+= strspn(b
, "/");
2899 } else if (*a
== '\0') {
2909 bridge_configure_remotes(struct bridge
*br
,
2910 const struct sockaddr_in
*managers
, size_t n_managers
)
2912 bool disable_in_band
;
2914 struct ovsrec_controller
**controllers
;
2915 size_t n_controllers
;
2917 enum ofproto_fail_mode fail_mode
;
2919 struct ofproto_controller
*ocs
;
2923 /* Check if we should disable in-band control on this bridge. */
2924 disable_in_band
= smap_get_bool(&br
->cfg
->other_config
, "disable-in-band",
2927 /* Set OpenFlow queue ID for in-band control. */
2928 ofproto_set_in_band_queue(br
->ofproto
,
2929 smap_get_int(&br
->cfg
->other_config
,
2930 "in-band-queue", -1));
2932 if (disable_in_band
) {
2933 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
2935 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
2938 n_controllers
= bridge_get_controllers(br
, &controllers
);
2940 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
2943 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
2944 for (i
= 0; i
< n_controllers
; i
++) {
2945 struct ovsrec_controller
*c
= controllers
[i
];
2947 if (!strncmp(c
->target
, "punix:", 6)
2948 || !strncmp(c
->target
, "unix:", 5)) {
2949 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2952 if (!strncmp(c
->target
, "unix:", 5)) {
2953 /* Connect to a listening socket */
2954 whitelist
= xasprintf("unix:%s/", ovs_rundir());
2955 if (strchr(c
->target
, '/') &&
2956 !equal_pathnames(c
->target
, whitelist
,
2957 strlen(whitelist
))) {
2958 /* Absolute path specified, but not in ovs_rundir */
2959 VLOG_ERR_RL(&rl
, "bridge %s: Not connecting to socket "
2960 "controller \"%s\" due to possibility for "
2961 "remote exploit. Instead, specify socket "
2962 "in whitelisted \"%s\" or connect to "
2963 "\"unix:%s/%s.mgmt\" (which is always "
2964 "available without special configuration).",
2965 br
->name
, c
->target
, whitelist
,
2966 ovs_rundir(), br
->name
);
2971 whitelist
= xasprintf("punix:%s/%s.controller",
2972 ovs_rundir(), br
->name
);
2973 if (!equal_pathnames(c
->target
, whitelist
, SIZE_MAX
)) {
2974 /* Prevent remote ovsdb-server users from accessing
2975 * arbitrary Unix domain sockets and overwriting arbitrary
2977 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
2978 "controller \"%s\" due to possibility of "
2979 "overwriting local files. Instead, specify "
2980 "whitelisted \"%s\" or connect to "
2981 "\"unix:%s/%s.mgmt\" (which is always "
2982 "available without special configuration).",
2983 br
->name
, c
->target
, whitelist
,
2984 ovs_rundir(), br
->name
);
2993 bridge_configure_local_iface_netdev(br
, c
);
2994 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
2995 if (disable_in_band
) {
2996 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
3001 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
,
3002 bridge_get_allowed_versions(br
));
3003 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
3006 /* Set the fail-mode. */
3007 fail_mode
= !br
->cfg
->fail_mode
3008 || !strcmp(br
->cfg
->fail_mode
, "standalone")
3009 ? OFPROTO_FAIL_STANDALONE
3010 : OFPROTO_FAIL_SECURE
;
3011 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
3013 /* Configure OpenFlow controller connection snooping. */
3014 if (!ofproto_has_snoops(br
->ofproto
)) {
3018 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
3019 ovs_rundir(), br
->name
));
3020 ofproto_set_snoops(br
->ofproto
, &snoops
);
3021 sset_destroy(&snoops
);
3026 bridge_configure_tables(struct bridge
*br
)
3028 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3032 n_tables
= ofproto_get_n_tables(br
->ofproto
);
3034 for (i
= 0; i
< n_tables
; i
++) {
3035 struct ofproto_table_settings s
;
3038 s
.max_flows
= UINT_MAX
;
3041 s
.n_prefix_fields
= 0;
3042 memset(s
.prefix_fields
, ~0, sizeof(s
.prefix_fields
));
3044 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
3045 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
3048 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
3049 s
.max_flows
= *cfg
->flow_limit
;
3051 if (cfg
->overflow_policy
3052 && !strcmp(cfg
->overflow_policy
, "evict")) {
3054 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
3055 for (k
= 0; k
< cfg
->n_groups
; k
++) {
3056 const char *string
= cfg
->groups
[k
];
3059 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
3061 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
3062 "'groups' (%s)", br
->name
, i
, msg
);
3064 } else if (*string
) {
3065 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
3066 "element '%s' contains trailing garbage",
3067 br
->name
, i
, cfg
->groups
[k
]);
3073 /* Prefix lookup fields. */
3074 s
.n_prefix_fields
= 0;
3075 for (k
= 0; k
< cfg
->n_prefixes
; k
++) {
3076 const char *name
= cfg
->prefixes
[k
];
3077 const struct mf_field
*mf
= mf_from_name(name
);
3079 VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s",
3083 if (mf
->flow_be32ofs
< 0 || mf
->n_bits
% 32) {
3084 VLOG_WARN("bridge %s: 'prefixes' with incompatible field: "
3085 "%s", br
->name
, name
);
3088 if (s
.n_prefix_fields
>= ARRAY_SIZE(s
.prefix_fields
)) {
3089 VLOG_WARN("bridge %s: 'prefixes' with too many fields, "
3090 "field not used: %s", br
->name
, name
);
3093 s
.prefix_fields
[s
.n_prefix_fields
++] = mf
->id
;
3095 if (s
.n_prefix_fields
> 0) {
3097 struct ds ds
= DS_EMPTY_INITIALIZER
;
3098 for (k
= 0; k
< s
.n_prefix_fields
; k
++) {
3100 ds_put_char(&ds
, ',');
3102 ds_put_cstr(&ds
, mf_from_id(s
.prefix_fields
[k
])->name
);
3104 VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.",
3105 br
->name
, i
, ds_cstr(&ds
));
3110 ofproto_configure_table(br
->ofproto
, i
, &s
);
3114 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
3115 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
3116 "%"PRId64
" not supported by this datapath", br
->name
,
3117 br
->cfg
->key_flow_tables
[j
]);
3122 bridge_configure_dp_desc(struct bridge
*br
)
3124 ofproto_set_dp_desc(br
->ofproto
,
3125 smap_get(&br
->cfg
->other_config
, "dp-desc"));
3128 /* Port functions. */
3130 static void iface_destroy__(struct iface
*);
3132 static struct port
*
3133 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
3137 port
= xzalloc(sizeof *port
);
3139 port
->name
= xstrdup(cfg
->name
);
3141 list_init(&port
->ifaces
);
3143 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
3147 /* Deletes interfaces from 'port' that are no longer configured for it. */
3149 port_del_ifaces(struct port
*port
)
3151 struct iface
*iface
, *next
;
3152 struct sset new_ifaces
;
3155 /* Collect list of new interfaces. */
3156 sset_init(&new_ifaces
);
3157 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
3158 const char *name
= port
->cfg
->interfaces
[i
]->name
;
3159 const char *type
= port
->cfg
->interfaces
[i
]->type
;
3160 if (strcmp(type
, "null")) {
3161 sset_add(&new_ifaces
, name
);
3165 /* Get rid of deleted interfaces. */
3166 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3167 if (!sset_contains(&new_ifaces
, iface
->name
)) {
3168 iface_destroy(iface
);
3172 sset_destroy(&new_ifaces
);
3176 port_destroy(struct port
*port
)
3179 struct bridge
*br
= port
->bridge
;
3180 struct iface
*iface
, *next
;
3183 ofproto_bundle_unregister(br
->ofproto
, port
);
3186 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3187 iface_destroy__(iface
);
3190 hmap_remove(&br
->ports
, &port
->hmap_node
);
3196 static struct port
*
3197 port_lookup(const struct bridge
*br
, const char *name
)
3201 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
3203 if (!strcmp(port
->name
, name
)) {
3211 enable_lacp(struct port
*port
, bool *activep
)
3213 if (!port
->cfg
->lacp
) {
3214 /* XXX when LACP implementation has been sufficiently tested, enable by
3215 * default and make active on bonded ports. */
3217 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
3219 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
3222 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
3226 VLOG_WARN("port %s: unknown LACP mode %s",
3227 port
->name
, port
->cfg
->lacp
);
3232 static struct lacp_settings
*
3233 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
3235 const char *lacp_time
, *system_id
;
3238 if (!enable_lacp(port
, &s
->active
)) {
3242 s
->name
= port
->name
;
3244 system_id
= smap_get(&port
->cfg
->other_config
, "lacp-system-id");
3246 if (!ovs_scan(system_id
, ETH_ADDR_SCAN_FMT
,
3247 ETH_ADDR_SCAN_ARGS(s
->id
))) {
3248 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3249 " address.", port
->name
, system_id
);
3253 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
3256 if (eth_addr_is_zero(s
->id
)) {
3257 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
3261 /* Prefer bondable links if unspecified. */
3262 priority
= smap_get_int(&port
->cfg
->other_config
, "lacp-system-priority",
3264 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
3266 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
3268 lacp_time
= smap_get(&port
->cfg
->other_config
, "lacp-time");
3269 s
->fast
= lacp_time
&& !strcasecmp(lacp_time
, "fast");
3271 s
->fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
3272 "lacp-fallback-ab", false);
3278 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
3280 int priority
, portid
, key
;
3282 portid
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-id", 0);
3283 priority
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-priority",
3285 key
= smap_get_int(&iface
->cfg
->other_config
, "lacp-aggregation-key", 0);
3287 if (portid
<= 0 || portid
> UINT16_MAX
) {
3288 portid
= ofp_to_u16(iface
->ofp_port
);
3291 if (priority
<= 0 || priority
> UINT16_MAX
) {
3292 priority
= UINT16_MAX
;
3295 if (key
< 0 || key
> UINT16_MAX
) {
3299 s
->name
= iface
->name
;
3301 s
->priority
= priority
;
3306 port_configure_bond(struct port
*port
, struct bond_settings
*s
)
3308 const char *detect_s
;
3309 struct iface
*iface
;
3310 int miimon_interval
;
3312 s
->name
= port
->name
;
3314 if (port
->cfg
->bond_mode
) {
3315 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
3316 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3317 port
->name
, port
->cfg
->bond_mode
,
3318 bond_mode_to_string(s
->balance
));
3321 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
3323 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3324 * active-backup. At some point we should remove this warning. */
3325 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
3326 " in previous versions, the default bond_mode was"
3327 " balance-slb", port
->name
,
3328 bond_mode_to_string(s
->balance
));
3330 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
3331 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3332 "please use another bond type or disable flood_vlans",
3336 miimon_interval
= smap_get_int(&port
->cfg
->other_config
,
3337 "bond-miimon-interval", 0);
3338 if (miimon_interval
<= 0) {
3339 miimon_interval
= 200;
3342 detect_s
= smap_get(&port
->cfg
->other_config
, "bond-detect-mode");
3343 if (!detect_s
|| !strcmp(detect_s
, "carrier")) {
3344 miimon_interval
= 0;
3345 } else if (strcmp(detect_s
, "miimon")) {
3346 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3347 "defaulting to carrier", port
->name
, detect_s
);
3348 miimon_interval
= 0;
3351 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
3352 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
3353 s
->basis
= smap_get_int(&port
->cfg
->other_config
, "bond-hash-basis", 0);
3354 s
->rebalance_interval
= smap_get_int(&port
->cfg
->other_config
,
3355 "bond-rebalance-interval", 10000);
3356 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
3357 s
->rebalance_interval
= 1000;
3360 s
->fake_iface
= port
->cfg
->bond_fake_iface
;
3362 s
->lacp_fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
3363 "lacp-fallback-ab", false);
3365 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
3366 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
3370 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3371 * instead of obtaining it from the database. */
3373 port_is_synthetic(const struct port
*port
)
3375 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
3378 /* Interface functions. */
3381 iface_is_internal(const struct ovsrec_interface
*iface
,
3382 const struct ovsrec_bridge
*br
)
3384 /* The local port and "internal" ports are always "internal". */
3385 return !strcmp(iface
->type
, "internal") || !strcmp(iface
->name
, br
->name
);
3388 /* Returns the correct network device type for interface 'iface' in bridge
3391 iface_get_type(const struct ovsrec_interface
*iface
,
3392 const struct ovsrec_bridge
*br
)
3396 /* The local port always has type "internal". Other ports take
3397 * their type from the database and default to "system" if none is
3399 if (iface_is_internal(iface
, br
)) {
3402 type
= iface
->type
[0] ? iface
->type
: "system";
3405 return ofproto_port_open_type(br
->datapath_type
, type
);
3409 iface_destroy__(struct iface
*iface
)
3412 struct port
*port
= iface
->port
;
3413 struct bridge
*br
= port
->bridge
;
3415 if (br
->ofproto
&& iface
->ofp_port
!= OFPP_NONE
) {
3416 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
3419 if (iface
->ofp_port
!= OFPP_NONE
) {
3420 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
3423 list_remove(&iface
->port_elem
);
3424 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
3426 netdev_close(iface
->netdev
);
3434 iface_destroy(struct iface
*iface
)
3437 struct port
*port
= iface
->port
;
3439 iface_destroy__(iface
);
3440 if (list_is_empty(&port
->ifaces
)) {
3446 static struct iface
*
3447 iface_lookup(const struct bridge
*br
, const char *name
)
3449 struct iface
*iface
;
3451 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
3452 &br
->iface_by_name
) {
3453 if (!strcmp(iface
->name
, name
)) {
3461 static struct iface
*
3462 iface_find(const char *name
)
3464 const struct bridge
*br
;
3466 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3467 struct iface
*iface
= iface_lookup(br
, name
);
3476 static struct iface
*
3477 iface_from_ofp_port(const struct bridge
*br
, ofp_port_t ofp_port
)
3479 struct iface
*iface
;
3481 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
, hash_ofp_port(ofp_port
),
3483 if (iface
->ofp_port
== ofp_port
) {
3490 /* Set Ethernet address of 'iface', if one is specified in the configuration
3493 iface_set_mac(struct iface
*iface
, const uint8_t *mac
)
3495 uint8_t ea
[ETH_ADDR_LEN
];
3497 if (strcmp(iface
->type
, "internal")) {
3501 if (iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
3506 if (iface
->ofp_port
== OFPP_LOCAL
) {
3507 VLOG_ERR("interface %s: ignoring mac in Interface record "
3508 "(use Bridge record to set local port's mac)",
3510 } else if (eth_addr_is_multicast(mac
)) {
3511 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3514 int error
= netdev_set_etheraddr(iface
->netdev
, mac
);
3516 VLOG_ERR("interface %s: setting MAC failed (%s)",
3517 iface
->name
, ovs_strerror(error
));
3523 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3525 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, ofp_port_t ofport
)
3527 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3528 int64_t port
= ofport
== OFPP_NONE
? -1 : ofp_to_u16(ofport
);
3529 ovsrec_interface_set_ofport(if_cfg
, &port
, 1);
3533 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3534 * sets the "ofport" field to -1.
3536 * This is appropriate when 'if_cfg''s interface cannot be created or is
3537 * otherwise invalid. */
3539 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
)
3541 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3542 ovsrec_interface_set_status(if_cfg
, NULL
);
3543 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
3544 ovsrec_interface_set_duplex(if_cfg
, NULL
);
3545 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
3546 ovsrec_interface_set_link_state(if_cfg
, NULL
);
3547 ovsrec_interface_set_mac_in_use(if_cfg
, NULL
);
3548 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
3549 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
3550 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
3551 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
3552 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
3553 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
3554 ovsrec_interface_set_ifindex(if_cfg
, NULL
, 0);
3559 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
3561 union ovsdb_atom atom
;
3563 atom
.integer
= target
;
3564 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
3568 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
3570 struct ofpbuf queues_buf
;
3572 ofpbuf_init(&queues_buf
, 0);
3574 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
3575 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
3577 const struct ovsdb_datum
*queues
;
3578 struct netdev_queue_dump dump
;
3579 unsigned int queue_id
;
3580 struct smap details
;
3584 /* Configure top-level Qos for 'iface'. */
3585 netdev_set_qos(iface
->netdev
, qos
->type
, &qos
->other_config
);
3587 /* Deconfigure queues that were deleted. */
3588 queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
3590 smap_init(&details
);
3591 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
3592 if (!queue_ids_include(queues
, queue_id
)) {
3593 netdev_delete_queue(iface
->netdev
, queue_id
);
3596 smap_destroy(&details
);
3598 /* Configure queues for 'iface'. */
3600 for (i
= 0; i
< qos
->n_queues
; i
++) {
3601 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
3602 unsigned int queue_id
= qos
->key_queues
[i
];
3604 if (queue_id
== 0) {
3608 if (queue
->n_dscp
== 1) {
3609 struct ofproto_port_queue
*port_queue
;
3611 port_queue
= ofpbuf_put_uninit(&queues_buf
,
3612 sizeof *port_queue
);
3613 port_queue
->queue
= queue_id
;
3614 port_queue
->dscp
= queue
->dscp
[0];
3617 netdev_set_queue(iface
->netdev
, queue_id
, &queue
->other_config
);
3620 struct smap details
;
3622 smap_init(&details
);
3623 netdev_set_queue(iface
->netdev
, 0, &details
);
3624 smap_destroy(&details
);
3628 if (iface
->ofp_port
!= OFPP_NONE
) {
3629 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
3630 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
3632 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
3633 port_queues
, n_queues
);
3636 netdev_set_policing(iface
->netdev
,
3637 iface
->cfg
->ingress_policing_rate
,
3638 iface
->cfg
->ingress_policing_burst
);
3640 ofpbuf_uninit(&queues_buf
);
3644 iface_configure_cfm(struct iface
*iface
)
3646 const struct ovsrec_interface
*cfg
= iface
->cfg
;
3647 const char *opstate_str
;
3648 const char *cfm_ccm_vlan
;
3649 struct cfm_settings s
;
3650 struct smap netdev_args
;
3652 if (!cfg
->n_cfm_mpid
) {
3653 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
3657 s
.check_tnl_key
= false;
3658 smap_init(&netdev_args
);
3659 if (!netdev_get_config(iface
->netdev
, &netdev_args
)) {
3660 const char *key
= smap_get(&netdev_args
, "key");
3661 const char *in_key
= smap_get(&netdev_args
, "in_key");
3663 s
.check_tnl_key
= (key
&& !strcmp(key
, "flow"))
3664 || (in_key
&& !strcmp(in_key
, "flow"));
3666 smap_destroy(&netdev_args
);
3668 s
.mpid
= *cfg
->cfm_mpid
;
3669 s
.interval
= smap_get_int(&iface
->cfg
->other_config
, "cfm_interval", 0);
3670 cfm_ccm_vlan
= smap_get(&iface
->cfg
->other_config
, "cfm_ccm_vlan");
3671 s
.ccm_pcp
= smap_get_int(&iface
->cfg
->other_config
, "cfm_ccm_pcp", 0);
3673 if (s
.interval
<= 0) {
3677 if (!cfm_ccm_vlan
) {
3679 } else if (!strcasecmp("random", cfm_ccm_vlan
)) {
3680 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
3682 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
3683 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
3688 s
.extended
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_extended",
3690 s
.demand
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_demand", false);
3692 opstate_str
= smap_get(&iface
->cfg
->other_config
, "cfm_opstate");
3693 s
.opup
= !opstate_str
|| !strcasecmp("up", opstate_str
);
3695 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
3698 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3699 * instead of obtaining it from the database. */
3701 iface_is_synthetic(const struct iface
*iface
)
3703 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
3707 iface_validate_ofport__(size_t n
, int64_t *ofport
)
3709 return (n
&& *ofport
>= 1 && *ofport
< ofp_to_u16(OFPP_MAX
)
3710 ? u16_to_ofp(*ofport
)
3715 iface_get_requested_ofp_port(const struct ovsrec_interface
*cfg
)
3717 return iface_validate_ofport__(cfg
->n_ofport_request
, cfg
->ofport_request
);
3721 iface_pick_ofport(const struct ovsrec_interface
*cfg
)
3723 ofp_port_t requested_ofport
= iface_get_requested_ofp_port(cfg
);
3724 return (requested_ofport
!= OFPP_NONE
3726 : iface_validate_ofport__(cfg
->n_ofport
, cfg
->ofport
));
3729 /* Port mirroring. */
3731 static struct mirror
*
3732 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
3736 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
3737 if (uuid_equals(uuid
, &m
->uuid
)) {
3745 bridge_configure_mirrors(struct bridge
*br
)
3747 const struct ovsdb_datum
*mc
;
3748 unsigned long *flood_vlans
;
3749 struct mirror
*m
, *next
;
3752 /* Get rid of deleted mirrors. */
3753 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
3754 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
3755 union ovsdb_atom atom
;
3757 atom
.uuid
= m
->uuid
;
3758 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3763 /* Add new mirrors and reconfigure existing ones. */
3764 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
3765 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
3766 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
3768 m
= mirror_create(br
, cfg
);
3771 if (!mirror_configure(m
)) {
3776 /* Update flooded vlans (for RSPAN). */
3777 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
3778 br
->cfg
->n_flood_vlans
);
3779 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
3780 bitmap_free(flood_vlans
);
3783 static struct mirror
*
3784 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
3788 m
= xzalloc(sizeof *m
);
3789 m
->uuid
= cfg
->header_
.uuid
;
3790 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
3792 m
->name
= xstrdup(cfg
->name
);
3798 mirror_destroy(struct mirror
*m
)
3801 struct bridge
*br
= m
->bridge
;
3804 ofproto_mirror_unregister(br
->ofproto
, m
);
3807 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
3814 mirror_collect_ports(struct mirror
*m
,
3815 struct ovsrec_port
**in_ports
, int n_in_ports
,
3816 void ***out_portsp
, size_t *n_out_portsp
)
3818 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
3819 size_t n_out_ports
= 0;
3822 for (i
= 0; i
< n_in_ports
; i
++) {
3823 const char *name
= in_ports
[i
]->name
;
3824 struct port
*port
= port_lookup(m
->bridge
, name
);
3826 out_ports
[n_out_ports
++] = port
;
3828 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3829 "port %s", m
->bridge
->name
, m
->name
, name
);
3832 *out_portsp
= out_ports
;
3833 *n_out_portsp
= n_out_ports
;
3837 mirror_configure(struct mirror
*m
)
3839 const struct ovsrec_mirror
*cfg
= m
->cfg
;
3840 struct ofproto_mirror_settings s
;
3843 if (strcmp(cfg
->name
, m
->name
)) {
3845 m
->name
= xstrdup(cfg
->name
);
3849 /* Get output port or VLAN. */
3850 if (cfg
->output_port
) {
3851 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
3852 if (!s
.out_bundle
) {
3853 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3854 m
->bridge
->name
, m
->name
);
3857 s
.out_vlan
= UINT16_MAX
;
3859 if (cfg
->output_vlan
) {
3860 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3861 "output vlan; ignoring output vlan",
3862 m
->bridge
->name
, m
->name
);
3864 } else if (cfg
->output_vlan
) {
3865 /* The database should prevent invalid VLAN values. */
3866 s
.out_bundle
= NULL
;
3867 s
.out_vlan
= *cfg
->output_vlan
;
3869 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3870 m
->bridge
->name
, m
->name
);
3874 /* Get port selection. */
3875 if (cfg
->select_all
) {
3876 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
3877 void **ports
= xmalloc(n_ports
* sizeof *ports
);
3882 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
3892 /* Get ports, dropping ports that don't exist.
3893 * The IDL ensures that there are no duplicates. */
3894 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
3895 &s
.srcs
, &s
.n_srcs
);
3896 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
3897 &s
.dsts
, &s
.n_dsts
);
3900 /* Get VLAN selection. */
3901 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
3904 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
3907 if (s
.srcs
!= s
.dsts
) {
3916 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3918 * This is deprecated. It is only for compatibility with broken device drivers
3919 * in old versions of Linux that do not properly support VLANs when VLAN
3920 * devices are not used. When broken device drivers are no longer in
3921 * widespread use, we will delete these interfaces. */
3923 static struct ovsrec_port
**recs
;
3924 static size_t n_recs
, allocated_recs
;
3926 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3927 * splinters are reconfigured. */
3929 register_rec(struct ovsrec_port
*rec
)
3931 if (n_recs
>= allocated_recs
) {
3932 recs
= x2nrealloc(recs
, &allocated_recs
, sizeof *recs
);
3934 recs
[n_recs
++] = rec
;
3937 /* Frees all of the ports registered with register_reg(). */
3939 free_registered_recs(void)
3943 for (i
= 0; i
< n_recs
; i
++) {
3944 struct ovsrec_port
*port
= recs
[i
];
3947 for (j
= 0; j
< port
->n_interfaces
; j
++) {
3948 struct ovsrec_interface
*iface
= port
->interfaces
[j
];
3953 smap_destroy(&port
->other_config
);
3954 free(port
->interfaces
);
3962 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3965 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
3967 return smap_get_bool(&iface_cfg
->other_config
, "enable-vlan-splinters",
3971 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3974 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3975 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3976 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3979 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3980 * use, returns NULL.
3982 * Updates 'vlan_splinters_enabled_anywhere'. */
3983 static unsigned long int *
3984 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
3986 unsigned long int *splinter_vlans
;
3987 struct sset splinter_ifaces
;
3988 const char *real_dev_name
;
3989 struct shash
*real_devs
;
3990 struct shash_node
*node
;
3994 /* Free space allocated for synthesized ports and interfaces, since we're
3995 * in the process of reconstructing all of them. */
3996 free_registered_recs();
3998 splinter_vlans
= bitmap_allocate(4096);
3999 sset_init(&splinter_ifaces
);
4000 vlan_splinters_enabled_anywhere
= false;
4001 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
4002 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
4005 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
4006 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
4009 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
4010 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
4012 if (vlan_splinters_is_enabled(iface_cfg
)) {
4013 vlan_splinters_enabled_anywhere
= true;
4014 sset_add(&splinter_ifaces
, iface_cfg
->name
);
4015 vlan_bitmap_from_array__(port_cfg
->trunks
,
4021 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
4022 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
4027 if (!vlan_splinters_enabled_anywhere
) {
4028 free(splinter_vlans
);
4029 sset_destroy(&splinter_ifaces
);
4033 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4035 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
4039 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
4040 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
4041 * device to be created for it. */
4042 bitmap_set0(splinter_vlans
, 0);
4043 bitmap_set0(splinter_vlans
, 4095);
4045 /* Delete all VLAN devices that we don't need. */
4047 real_devs
= vlandev_get_real_devs();
4048 SHASH_FOR_EACH (node
, real_devs
) {
4049 const struct vlan_real_dev
*real_dev
= node
->data
;
4050 const struct vlan_dev
*vlan_dev
;
4051 bool real_dev_has_splinters
;
4053 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
4055 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
4056 if (!real_dev_has_splinters
4057 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
4058 struct netdev
*netdev
;
4060 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
4061 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
4062 !netdev_get_in6(netdev
, NULL
)) {
4063 /* It has an IP address configured, so we don't own
4064 * it. Don't delete it. */
4066 vlandev_del(vlan_dev
->name
);
4068 netdev_close(netdev
);
4075 /* Add all VLAN devices that we need. */
4076 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
4079 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4080 if (!vlandev_get_name(real_dev_name
, vid
)) {
4081 vlandev_add(real_dev_name
, vid
);
4088 sset_destroy(&splinter_ifaces
);
4090 if (bitmap_scan(splinter_vlans
, 0, 4096) >= 4096) {
4091 free(splinter_vlans
);
4094 return splinter_vlans
;
4097 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
4100 configure_splinter_port(struct port
*port
)
4102 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
4103 ofp_port_t realdev_ofp_port
;
4104 const char *realdev_name
;
4105 struct iface
*vlandev
, *realdev
;
4107 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
4109 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
4112 realdev_name
= smap_get(&port
->cfg
->other_config
, "realdev");
4113 realdev
= iface_lookup(port
->bridge
, realdev_name
);
4114 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
4116 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
4120 static struct ovsrec_port
*
4121 synthesize_splinter_port(const char *real_dev_name
,
4122 const char *vlan_dev_name
, int vid
)
4124 struct ovsrec_interface
*iface
;
4125 struct ovsrec_port
*port
;
4127 iface
= xmalloc(sizeof *iface
);
4128 ovsrec_interface_init(iface
);
4129 iface
->name
= xstrdup(vlan_dev_name
);
4130 iface
->type
= "system";
4132 port
= xmalloc(sizeof *port
);
4133 ovsrec_port_init(port
);
4134 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
4135 port
->n_interfaces
= 1;
4136 port
->name
= xstrdup(vlan_dev_name
);
4137 port
->vlan_mode
= "splinter";
4138 port
->tag
= xmalloc(sizeof *port
->tag
);
4141 smap_add(&port
->other_config
, "realdev", real_dev_name
);
4147 /* For each interface with 'br' that has VLAN splinters enabled, adds a
4148 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
4149 * 1-bit in the 'splinter_vlans' bitmap. */
4151 add_vlan_splinter_ports(struct bridge
*br
,
4152 const unsigned long int *splinter_vlans
,
4153 struct shash
*ports
)
4157 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
4158 * we're modifying 'ports'. */
4159 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
4160 const char *name
= br
->cfg
->ports
[i
]->name
;
4161 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
4164 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
4165 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
4167 if (vlan_splinters_is_enabled(iface_cfg
)) {
4168 const char *real_dev_name
;
4171 real_dev_name
= iface_cfg
->name
;
4172 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4173 const char *vlan_dev_name
;
4175 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
4177 && !shash_find(ports
, vlan_dev_name
)) {
4178 shash_add(ports
, vlan_dev_name
,
4179 synthesize_splinter_port(
4180 real_dev_name
, vlan_dev_name
, vid
));
4189 mirror_refresh_stats(struct mirror
*m
)
4191 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
4192 uint64_t tx_packets
, tx_bytes
;
4195 size_t stat_cnt
= 0;
4197 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
4198 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
4202 if (tx_packets
!= UINT64_MAX
) {
4203 keys
[stat_cnt
] = "tx_packets";
4204 values
[stat_cnt
] = tx_packets
;
4207 if (tx_bytes
!= UINT64_MAX
) {
4208 keys
[stat_cnt
] = "tx_bytes";
4209 values
[stat_cnt
] = tx_bytes
;
4213 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);