1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 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.
22 #include "async-append.h"
26 #include "connectivity.h"
34 #include "if-notifier.h"
37 #include "lib/netdev-dpdk.h"
38 #include "mac-learning.h"
39 #include "mcast-snooping.h"
42 #include "ofproto/bond.h"
43 #include "ofproto/ofproto.h"
44 #include "openvswitch/dynamic-string.h"
45 #include "openvswitch/list.h"
46 #include "openvswitch/meta-flow.h"
47 #include "openvswitch/ofp-print.h"
48 #include "openvswitch/ofp-util.h"
49 #include "openvswitch/ofpbuf.h"
50 #include "openvswitch/vlog.h"
54 #include "poll-loop.h"
56 #include "sflow_api.h"
60 #include "socket-util.h"
62 #include "stream-ssl.h"
64 #include "system-stats.h"
68 #include "lib/vswitch-idl.h"
69 #include "xenserver.h"
70 #include "vlan-bitmap.h"
72 VLOG_DEFINE_THIS_MODULE(bridge);
74 COVERAGE_DEFINE(bridge_reconfigure);
77 /* These members are always valid.
79 * They are immutable: they never change between iface_create() and
81 struct ovs_list port_elem; /* Element in struct port's "ifaces" list. */
82 struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */
83 struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */
84 struct port *port; /* Containing port. */
85 char *name; /* Host network device name. */
86 struct netdev *netdev; /* Network device. */
87 ofp_port_t ofp_port; /* OpenFlow port number. */
90 /* These members are valid only within bridge_reconfigure(). */
91 const char *type; /* Usually same as cfg->type. */
92 const struct ovsrec_interface *cfg;
96 struct uuid uuid; /* UUID of this "mirror" record in database. */
97 struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */
98 struct bridge *bridge;
100 const struct ovsrec_mirror *cfg;
104 struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
105 struct bridge *bridge;
108 const struct ovsrec_port *cfg;
110 /* An ordinary bridge port has 1 interface.
111 * A bridge port for bonding has at least 2 interfaces. */
112 struct ovs_list ifaces; /* List of "struct iface"s. */
116 struct hmap_node node; /* In 'all_bridges'. */
117 char *name; /* User-specified arbitrary name. */
118 char *type; /* Datapath type. */
119 struct eth_addr ea; /* Bridge Ethernet Address. */
120 struct eth_addr default_ea; /* Default MAC. */
121 const struct ovsrec_bridge *cfg;
123 /* OpenFlow switch processing. */
124 struct ofproto *ofproto; /* OpenFlow switch. */
127 struct hmap ports; /* "struct port"s indexed by name. */
128 struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */
129 struct hmap iface_by_name; /* "struct iface"s indexed by name. */
131 /* Port mirroring. */
132 struct hmap mirrors; /* "struct mirror" indexed by UUID. */
135 struct hmap mappings; /* "struct" indexed by UUID */
137 /* Used during reconfiguration. */
138 struct shash wanted_ports;
140 /* Synthetic local port if necessary. */
141 struct ovsrec_port synth_local_port;
142 struct ovsrec_interface synth_local_iface;
143 struct ovsrec_interface *synth_local_ifacep;
147 struct hmap_node hmap_node; /* In struct bridge's "mappings" hmap. */
148 struct bridge *bridge;
154 /* All bridges, indexed by name. */
155 static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges);
157 /* OVSDB IDL used to obtain configuration. */
158 static struct ovsdb_idl *idl;
160 /* We want to complete daemonization, fully detaching from our parent process,
161 * only after we have completed our initial configuration, committed our state
162 * to the database, and received confirmation back from the database server
163 * that it applied the commit. This allows our parent process to know that,
164 * post-detach, ephemeral fields such as datapath-id and ofport are very likely
165 * to have already been filled in. (It is only "very likely" rather than
166 * certain because there is always a slim possibility that the transaction will
167 * fail or that some other client has added new bridges, ports, etc. while
168 * ovs-vswitchd was configuring using an old configuration.)
170 * We only need to do this once for our initial configuration at startup, so
171 * 'initial_config_done' tracks whether we've already done it. While we are
172 * waiting for a response to our commit, 'daemonize_txn' tracks the transaction
173 * itself and is otherwise NULL. */
174 static bool initial_config_done;
175 static struct ovsdb_idl_txn *daemonize_txn;
177 /* Most recently processed IDL sequence number. */
178 static unsigned int idl_seqno;
180 /* Track changes to port connectivity. */
181 static uint64_t connectivity_seqno = LLONG_MIN;
183 /* Status update to database.
185 * Some information in the database must be kept as up-to-date as possible to
186 * allow controllers to respond rapidly to network outages. Those status are
187 * updated via the 'status_txn'.
189 * We use the global connectivity sequence number to detect the status change.
190 * Also, to prevent the status update from sending too much to the database,
191 * we check the return status of each update transaction and do not start new
192 * update if the previous transaction status is 'TXN_INCOMPLETE'.
194 * 'statux_txn' is NULL if there is no ongoing status update.
196 * If the previous database transaction was failed (is not 'TXN_SUCCESS',
197 * 'TXN_UNCHANGED' or 'TXN_INCOMPLETE'), 'status_txn_try_again' is set to true,
198 * which will cause the main thread wake up soon and retry the status update.
200 static struct ovsdb_idl_txn *status_txn;
201 static bool status_txn_try_again;
203 /* When the status update transaction returns 'TXN_INCOMPLETE', should register a
204 * timeout in 'STATUS_CHECK_AGAIN_MSEC' to check again. */
205 #define STATUS_CHECK_AGAIN_MSEC 100
207 /* Statistics update to database. */
208 static struct ovsdb_idl_txn *stats_txn;
210 /* Each time this timer expires, the bridge fetches interface and mirror
211 * statistics and pushes them into the database. */
212 static int stats_timer_interval;
213 static long long int stats_timer = LLONG_MIN;
215 /* Each time this timer expires, the bridge fetches the list of port/VLAN
216 * membership that has been modified by the AA.
218 #define AA_REFRESH_INTERVAL (1000) /* In milliseconds. */
219 static long long int aa_refresh_timer = LLONG_MIN;
221 /* Whenever system interfaces are added, removed or change state, the bridge
222 * will be reconfigured.
224 static struct if_notifier *ifnotifier;
225 static bool ifaces_changed = false;
227 static void add_del_bridges(const struct ovsrec_open_vswitch *);
228 static void bridge_run__(void);
229 static void bridge_create(const struct ovsrec_bridge *);
230 static void bridge_destroy(struct bridge *, bool del);
231 static struct bridge *bridge_lookup(const char *name);
232 static unixctl_cb_func bridge_unixctl_dump_flows;
233 static unixctl_cb_func bridge_unixctl_reconnect;
234 static size_t bridge_get_controllers(const struct bridge *br,
235 struct ovsrec_controller ***controllersp);
236 static void bridge_collect_wanted_ports(struct bridge *,
237 struct shash *wanted_ports);
238 static void bridge_delete_ofprotos(void);
239 static void bridge_delete_or_reconfigure_ports(struct bridge *);
240 static void bridge_del_ports(struct bridge *,
241 const struct shash *wanted_ports);
242 static void bridge_add_ports(struct bridge *,
243 const struct shash *wanted_ports);
245 static void bridge_configure_datapath_id(struct bridge *);
246 static void bridge_configure_netflow(struct bridge *);
247 static void bridge_configure_forward_bpdu(struct bridge *);
248 static void bridge_configure_mac_table(struct bridge *);
249 static void bridge_configure_mcast_snooping(struct bridge *);
250 static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number);
251 static void bridge_configure_ipfix(struct bridge *);
252 static void bridge_configure_spanning_tree(struct bridge *);
253 static void bridge_configure_tables(struct bridge *);
254 static void bridge_configure_dp_desc(struct bridge *);
255 static void bridge_configure_aa(struct bridge *);
256 static void bridge_aa_refresh_queued(struct bridge *);
257 static bool bridge_aa_need_refresh(struct bridge *);
258 static void bridge_configure_remotes(struct bridge *,
259 const struct sockaddr_in *managers,
261 static void bridge_pick_local_hw_addr(struct bridge *, struct eth_addr *ea,
262 struct iface **hw_addr_iface);
263 static uint64_t bridge_pick_datapath_id(struct bridge *,
264 const struct eth_addr bridge_ea,
265 struct iface *hw_addr_iface);
266 static uint64_t dpid_from_hash(const void *, size_t nbytes);
267 static bool bridge_has_bond_fake_iface(const struct bridge *,
269 static bool port_is_bond_fake_iface(const struct port *);
271 static unixctl_cb_func qos_unixctl_show_types;
272 static unixctl_cb_func qos_unixctl_show;
274 static struct port *port_create(struct bridge *, const struct ovsrec_port *);
275 static void port_del_ifaces(struct port *);
276 static void port_destroy(struct port *);
277 static struct port *port_lookup(const struct bridge *, const char *name);
278 static void port_configure(struct port *);
279 static struct lacp_settings *port_configure_lacp(struct port *,
280 struct lacp_settings *);
281 static void port_configure_bond(struct port *, struct bond_settings *);
282 static bool port_is_synthetic(const struct port *);
284 static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
285 static void run_system_stats(void);
287 static void bridge_configure_mirrors(struct bridge *);
288 static struct mirror *mirror_create(struct bridge *,
289 const struct ovsrec_mirror *);
290 static void mirror_destroy(struct mirror *);
291 static bool mirror_configure(struct mirror *);
292 static void mirror_refresh_stats(struct mirror *);
294 static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
295 static bool iface_create(struct bridge *, const struct ovsrec_interface *,
296 const struct ovsrec_port *);
297 static bool iface_is_internal(const struct ovsrec_interface *iface,
298 const struct ovsrec_bridge *br);
299 static const char *iface_get_type(const struct ovsrec_interface *,
300 const struct ovsrec_bridge *);
301 static void iface_destroy(struct iface *);
302 static void iface_destroy__(struct iface *);
303 static struct iface *iface_lookup(const struct bridge *, const char *name);
304 static struct iface *iface_find(const char *name);
305 static struct iface *iface_from_ofp_port(const struct bridge *,
306 ofp_port_t ofp_port);
307 static void iface_set_mac(const struct bridge *, const struct port *, struct iface *);
308 static void iface_set_ofport(const struct ovsrec_interface *, ofp_port_t ofport);
309 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg, char *errp);
310 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
311 static void iface_configure_cfm(struct iface *);
312 static void iface_refresh_cfm_stats(struct iface *);
313 static void iface_refresh_stats(struct iface *);
314 static void iface_refresh_netdev_status(struct iface *);
315 static void iface_refresh_ofproto_status(struct iface *);
316 static bool iface_is_synthetic(const struct iface *);
317 static ofp_port_t iface_get_requested_ofp_port(
318 const struct ovsrec_interface *);
319 static ofp_port_t iface_pick_ofport(const struct ovsrec_interface *);
322 static void discover_types(const struct ovsrec_open_vswitch *cfg);
325 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
327 struct shash iface_hints;
328 static bool initialized = false;
335 shash_init(&iface_hints);
338 for (i = 0; i < cfg->n_bridges; i++) {
339 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
342 for (j = 0; j < br_cfg->n_ports; j++) {
343 struct ovsrec_port *port_cfg = br_cfg->ports[j];
346 for (k = 0; k < port_cfg->n_interfaces; k++) {
347 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
348 struct iface_hint *iface_hint;
350 iface_hint = xmalloc(sizeof *iface_hint);
351 iface_hint->br_name = br_cfg->name;
352 iface_hint->br_type = br_cfg->datapath_type;
353 iface_hint->ofp_port = iface_pick_ofport(if_cfg);
355 shash_add(&iface_hints, if_cfg->name, iface_hint);
361 ofproto_init(&iface_hints);
363 shash_destroy_free_data(&iface_hints);
368 if_change_cb(void *aux OVS_UNUSED)
370 ifaces_changed = true;
373 /* Public functions. */
375 /* Initializes the bridge module, configuring it to obtain its configuration
376 * from an OVSDB server accessed over 'remote', which should be a string in a
377 * form acceptable to ovsdb_idl_create(). */
379 bridge_init(const char *remote)
381 /* Create connection to database. */
382 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true, true);
383 idl_seqno = ovsdb_idl_get_seqno(idl);
384 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
385 ovsdb_idl_verify_write_only(idl);
387 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
388 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
389 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_datapath_types);
390 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_iface_types);
391 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
392 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
393 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
394 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
395 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
397 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
398 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_version);
399 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
400 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_rstp_status);
401 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_stp_enable);
402 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_rstp_enable);
403 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
405 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
406 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_rstp_status);
407 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_rstp_statistics);
408 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
409 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_bond_active_slave);
410 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
411 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_trunks);
412 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_vlan_mode);
413 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
414 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
415 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
416 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
417 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
418 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mac_in_use);
419 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ifindex);
420 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
421 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
422 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
423 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
424 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
425 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
426 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
427 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_flap_count);
428 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
429 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
430 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_bfd_status);
431 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
432 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_error);
433 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
435 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
436 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
437 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
438 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
440 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
442 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
444 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
445 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
447 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
448 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
449 ovsdb_idl_omit(idl, &ovsrec_ipfix_col_external_ids);
450 ovsdb_idl_omit(idl, &ovsrec_flow_sample_collector_set_col_external_ids);
452 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
453 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
454 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
455 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
456 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
458 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
460 /* Register unixctl commands. */
461 unixctl_command_register("qos/show-types", "interface", 1, 1,
462 qos_unixctl_show_types, NULL);
463 unixctl_command_register("qos/show", "interface", 1, 1,
464 qos_unixctl_show, NULL);
465 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
466 bridge_unixctl_dump_flows, NULL);
467 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
468 bridge_unixctl_reconnect, NULL);
477 ifnotifier = if_notifier_create(if_change_cb, NULL);
483 struct bridge *br, *next_br;
485 if_notifier_destroy(ifnotifier);
486 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
487 bridge_destroy(br, false);
489 ovsdb_idl_destroy(idl);
492 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
493 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
494 * responsible for freeing '*managersp' (with free()).
496 * You may be asking yourself "why does ovs-vswitchd care?", because
497 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
498 * should not be and in fact is not directly involved in that. But
499 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
500 * it has to tell in-band control where the managers are to enable that.
501 * (Thus, only managers connected in-band and with non-loopback addresses
505 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
506 struct sockaddr_in **managersp, size_t *n_managersp)
508 struct sockaddr_in *managers = NULL;
509 size_t n_managers = 0;
513 /* Collect all of the potential targets from the "targets" columns of the
514 * rows pointed to by "manager_options", excluding any that are
517 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
518 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
520 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
521 sset_find_and_delete(&targets, m->target);
523 sset_add(&targets, m->target);
527 /* Now extract the targets' IP addresses. */
528 if (!sset_is_empty(&targets)) {
531 managers = xmalloc(sset_count(&targets) * sizeof *managers);
532 SSET_FOR_EACH (target, &targets) {
534 struct sockaddr_storage ss;
535 struct sockaddr_in in;
538 /* Ignore loopback. */
539 if (stream_parse_target_with_default_port(target, OVSDB_PORT,
541 && sa.ss.ss_family == AF_INET
542 && sa.in.sin_addr.s_addr != htonl(INADDR_LOOPBACK)) {
543 managers[n_managers++] = sa.in;
547 sset_destroy(&targets);
549 *managersp = managers;
550 *n_managersp = n_managers;
554 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
556 struct sockaddr_in *managers;
557 struct bridge *br, *next;
558 int sflow_bridge_number;
561 COVERAGE_INC(bridge_reconfigure);
563 ofproto_set_flow_limit(smap_get_int(&ovs_cfg->other_config, "flow-limit",
564 OFPROTO_FLOW_LIMIT_DEFAULT));
565 ofproto_set_max_idle(smap_get_int(&ovs_cfg->other_config, "max-idle",
566 OFPROTO_MAX_IDLE_DEFAULT));
567 ofproto_set_cpu_mask(smap_get(&ovs_cfg->other_config, "pmd-cpu-mask"));
570 smap_get_int(&ovs_cfg->other_config, "n-handler-threads", 0),
571 smap_get_int(&ovs_cfg->other_config, "n-revalidator-threads", 0));
573 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
574 * to 'ovs_cfg', with only very minimal configuration otherwise.
576 * This is mostly an update to bridge data structures. Nothing is pushed
577 * down to ofproto or lower layers. */
578 add_del_bridges(ovs_cfg);
579 HMAP_FOR_EACH (br, node, &all_bridges) {
580 bridge_collect_wanted_ports(br, &br->wanted_ports);
581 bridge_del_ports(br, &br->wanted_ports);
584 /* Start pushing configuration changes down to the ofproto layer:
586 * - Delete ofprotos that are no longer configured.
588 * - Delete ports that are no longer configured.
590 * - Reconfigure existing ports to their desired configurations, or
591 * delete them if not possible.
593 * We have to do all the deletions before we can do any additions, because
594 * the ports to be added might require resources that will be freed up by
595 * deletions (they might especially overlap in name). */
596 bridge_delete_ofprotos();
597 HMAP_FOR_EACH (br, node, &all_bridges) {
599 bridge_delete_or_reconfigure_ports(br);
603 /* Finish pushing configuration changes to the ofproto layer:
605 * - Create ofprotos that are missing.
607 * - Add ports that are missing. */
608 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
612 error = ofproto_create(br->name, br->type, &br->ofproto);
614 VLOG_ERR("failed to create bridge %s: %s", br->name,
615 ovs_strerror(error));
616 shash_destroy(&br->wanted_ports);
617 bridge_destroy(br, true);
619 /* Trigger storing datapath version. */
620 seq_change(connectivity_seq_get());
624 HMAP_FOR_EACH (br, node, &all_bridges) {
625 bridge_add_ports(br, &br->wanted_ports);
626 shash_destroy(&br->wanted_ports);
629 reconfigure_system_stats(ovs_cfg);
631 /* Complete the configuration. */
632 sflow_bridge_number = 0;
633 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
634 HMAP_FOR_EACH (br, node, &all_bridges) {
637 /* We need the datapath ID early to allow LACP ports to use it as the
638 * default system ID. */
639 bridge_configure_datapath_id(br);
641 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
644 port_configure(port);
646 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
647 iface_set_ofport(iface->cfg, iface->ofp_port);
648 /* Clear eventual previous errors */
649 ovsrec_interface_set_error(iface->cfg, NULL);
650 iface_configure_cfm(iface);
651 iface_configure_qos(iface, port->cfg->qos);
652 iface_set_mac(br, port, iface);
653 ofproto_port_set_bfd(br->ofproto, iface->ofp_port,
655 ofproto_port_set_lldp(br->ofproto, iface->ofp_port,
659 bridge_configure_mirrors(br);
660 bridge_configure_forward_bpdu(br);
661 bridge_configure_mac_table(br);
662 bridge_configure_mcast_snooping(br);
663 bridge_configure_remotes(br, managers, n_managers);
664 bridge_configure_netflow(br);
665 bridge_configure_sflow(br, &sflow_bridge_number);
666 bridge_configure_ipfix(br);
667 bridge_configure_spanning_tree(br);
668 bridge_configure_tables(br);
669 bridge_configure_dp_desc(br);
670 bridge_configure_aa(br);
674 /* The ofproto-dpif provider does some final reconfiguration in its
675 * ->type_run() function. We have to call it before notifying the database
676 * client that reconfiguration is complete, otherwise there is a very
677 * narrow race window in which e.g. ofproto/trace will not recognize the
678 * new configuration (sometimes this causes unit test failures). */
682 /* Delete ofprotos which aren't configured or have the wrong type. Create
683 * ofprotos which don't exist but need to. */
685 bridge_delete_ofprotos(void)
692 /* Delete ofprotos with no bridge or with the wrong type. */
695 ofproto_enumerate_types(&types);
696 SSET_FOR_EACH (type, &types) {
699 ofproto_enumerate_names(type, &names);
700 SSET_FOR_EACH (name, &names) {
701 br = bridge_lookup(name);
702 if (!br || strcmp(type, br->type)) {
703 ofproto_delete(name, type);
707 sset_destroy(&names);
708 sset_destroy(&types);
712 add_ofp_port(ofp_port_t port, ofp_port_t *ports, size_t *n, size_t *allocated)
714 if (*n >= *allocated) {
715 ports = x2nrealloc(ports, allocated, sizeof *ports);
717 ports[(*n)++] = port;
722 bridge_delete_or_reconfigure_ports(struct bridge *br)
724 struct ofproto_port ofproto_port;
725 struct ofproto_port_dump dump;
727 struct sset ofproto_ports;
728 struct port *port, *port_next;
730 /* List of "ofp_port"s to delete. We make a list instead of deleting them
731 * right away because ofproto implementations aren't necessarily able to
732 * iterate through a changing list of ports in an entirely robust way. */
739 sset_init(&ofproto_ports);
741 /* Main task: Iterate over the ports in 'br->ofproto' and remove the ports
742 * that are not configured in the database. (This commonly happens when
743 * ports have been deleted, e.g. with "ovs-vsctl del-port".)
745 * Side tasks: Reconfigure the ports that are still in 'br'. Delete ports
746 * that have the wrong OpenFlow port number (and arrange to add them back
747 * with the correct OpenFlow port number). */
748 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
749 ofp_port_t requested_ofp_port;
752 sset_add(&ofproto_ports, ofproto_port.name);
754 iface = iface_lookup(br, ofproto_port.name);
756 /* No such iface is configured, so we should delete this
759 * As a corner case exception, keep the port if it's a bond fake
761 if (bridge_has_bond_fake_iface(br, ofproto_port.name)
762 && !strcmp(ofproto_port.type, "internal")) {
768 if (strcmp(ofproto_port.type, iface->type)
769 || netdev_set_config(iface->netdev, &iface->cfg->options, NULL)) {
770 /* The interface is the wrong type or can't be configured.
775 /* If the requested OpenFlow port for 'iface' changed, and it's not
776 * already the correct port, then we might want to temporarily delete
777 * this interface, so we can add it back again with the new OpenFlow
779 requested_ofp_port = iface_get_requested_ofp_port(iface->cfg);
780 if (iface->ofp_port != OFPP_LOCAL &&
781 requested_ofp_port != OFPP_NONE &&
782 requested_ofp_port != iface->ofp_port) {
783 ofp_port_t victim_request;
784 struct iface *victim;
786 /* Check for an existing OpenFlow port currently occupying
787 * 'iface''s requested port number. If there isn't one, then
788 * delete this port. Otherwise we need to consider further. */
789 victim = iface_from_ofp_port(br, requested_ofp_port);
794 /* 'victim' is a port currently using 'iface''s requested port
795 * number. Unless 'victim' specifically requested that port
796 * number, too, then we can delete both 'iface' and 'victim'
797 * temporarily. (We'll add both of them back again later with new
798 * OpenFlow port numbers.)
800 * If 'victim' did request port number 'requested_ofp_port', just
801 * like 'iface', then that's a configuration inconsistency that we
802 * can't resolve. We might as well let it keep its current port
804 victim_request = iface_get_requested_ofp_port(victim->cfg);
805 if (victim_request != requested_ofp_port) {
806 del = add_ofp_port(victim->ofp_port, del, &n, &allocated);
807 iface_destroy(victim);
816 iface_destroy(iface);
817 del = add_ofp_port(ofproto_port.ofp_port, del, &n, &allocated);
819 for (i = 0; i < n; i++) {
820 ofproto_port_del(br->ofproto, del[i]);
824 /* Iterate over this module's idea of interfaces in 'br'. Remove any ports
825 * that we didn't see when we iterated through the datapath, i.e. ports
826 * that disappeared underneath use. This is an unusual situation, but it
827 * can happen in some cases:
829 * - An admin runs a command like "ovs-dpctl del-port" (which is a bad
830 * idea but could happen).
832 * - The port represented a device that disappeared, e.g. a tuntap
833 * device destroyed via "tunctl -d", a physical Ethernet device
834 * whose module was just unloaded via "rmmod", or a virtual NIC for a
835 * VM whose VM was just terminated. */
836 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
837 struct iface *iface, *iface_next;
839 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
840 if (!sset_contains(&ofproto_ports, iface->name)) {
841 iface_destroy__(iface);
845 if (ovs_list_is_empty(&port->ifaces)) {
849 sset_destroy(&ofproto_ports);
853 bridge_add_ports__(struct bridge *br, const struct shash *wanted_ports,
854 bool with_requested_port)
856 struct shash_node *port_node;
858 SHASH_FOR_EACH (port_node, wanted_ports) {
859 const struct ovsrec_port *port_cfg = port_node->data;
862 for (i = 0; i < port_cfg->n_interfaces; i++) {
863 const struct ovsrec_interface *iface_cfg = port_cfg->interfaces[i];
864 ofp_port_t requested_ofp_port;
866 requested_ofp_port = iface_get_requested_ofp_port(iface_cfg);
867 if ((requested_ofp_port != OFPP_NONE) == with_requested_port) {
868 struct iface *iface = iface_lookup(br, iface_cfg->name);
871 iface_create(br, iface_cfg, port_cfg);
879 bridge_add_ports(struct bridge *br, const struct shash *wanted_ports)
881 /* First add interfaces that request a particular port number. */
882 bridge_add_ports__(br, wanted_ports, true);
884 /* Then add interfaces that want automatic port number assignment.
885 * We add these afterward to avoid accidentally taking a specifically
886 * requested port number. */
887 bridge_add_ports__(br, wanted_ports, false);
891 port_configure(struct port *port)
893 const struct ovsrec_port *cfg = port->cfg;
894 struct bond_settings bond_settings;
895 struct lacp_settings lacp_settings;
896 struct ofproto_bundle_settings s;
904 s.slaves = xmalloc(ovs_list_size(&port->ifaces) * sizeof *s.slaves);
905 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
906 s.slaves[s.n_slaves++] = iface->ofp_port;
911 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
915 /* Get VLAN trunks. */
918 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
922 if (cfg->vlan_mode) {
923 if (!strcmp(cfg->vlan_mode, "access")) {
924 s.vlan_mode = PORT_VLAN_ACCESS;
925 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
926 s.vlan_mode = PORT_VLAN_TRUNK;
927 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
928 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
929 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
930 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
932 /* This "can't happen" because ovsdb-server should prevent it. */
933 VLOG_WARN("port %s: unknown VLAN mode %s, falling "
934 "back to trunk mode", port->name, cfg->vlan_mode);
935 s.vlan_mode = PORT_VLAN_TRUNK;
939 s.vlan_mode = PORT_VLAN_ACCESS;
941 VLOG_WARN("port %s: ignoring trunks in favor of implicit vlan",
945 s.vlan_mode = PORT_VLAN_TRUNK;
948 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
951 /* Get LACP settings. */
952 s.lacp = port_configure_lacp(port, &lacp_settings);
956 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
957 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
958 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
961 s.lacp_slaves = NULL;
964 /* Get bond settings. */
965 if (s.n_slaves > 1) {
966 s.bond = &bond_settings;
967 port_configure_bond(port, &bond_settings);
970 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
971 netdev_set_miimon_interval(iface->netdev, 0);
976 ofproto_bundle_register(port->bridge->ofproto, port, &s);
984 /* Pick local port hardware address and datapath ID for 'br'. */
986 bridge_configure_datapath_id(struct bridge *br)
990 struct iface *local_iface;
991 struct iface *hw_addr_iface;
994 bridge_pick_local_hw_addr(br, &ea, &hw_addr_iface);
995 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
997 int error = netdev_set_etheraddr(local_iface->netdev, ea);
999 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1000 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
1001 "Ethernet address: %s",
1002 br->name, ovs_strerror(error));
1007 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
1008 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
1009 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
1010 ofproto_set_datapath_id(br->ofproto, dpid);
1013 dpid_string = xasprintf("%016"PRIx64, dpid);
1014 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
1018 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
1021 bridge_get_allowed_versions(struct bridge *br)
1023 if (!br->cfg->n_protocols) {
1027 return ofputil_versions_from_strings(br->cfg->protocols,
1028 br->cfg->n_protocols);
1031 /* Set NetFlow configuration on 'br'. */
1033 bridge_configure_netflow(struct bridge *br)
1035 struct ovsrec_netflow *cfg = br->cfg->netflow;
1036 struct netflow_options opts;
1039 ofproto_set_netflow(br->ofproto, NULL);
1043 memset(&opts, 0, sizeof opts);
1045 /* Get default NetFlow configuration from datapath.
1046 * Apply overrides from 'cfg'. */
1047 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
1048 if (cfg->engine_type) {
1049 opts.engine_type = *cfg->engine_type;
1051 if (cfg->engine_id) {
1052 opts.engine_id = *cfg->engine_id;
1055 /* Configure active timeout interval. */
1056 opts.active_timeout = cfg->active_timeout;
1057 if (!opts.active_timeout) {
1058 opts.active_timeout = -1;
1059 } else if (opts.active_timeout < 0) {
1060 VLOG_WARN("bridge %s: active timeout interval set to negative "
1061 "value, using default instead (%d seconds)", br->name,
1062 NF_ACTIVE_TIMEOUT_DEFAULT);
1063 opts.active_timeout = -1;
1066 /* Add engine ID to interface number to disambiguate bridgs? */
1067 opts.add_id_to_iface = cfg->add_id_to_interface;
1068 if (opts.add_id_to_iface) {
1069 if (opts.engine_id > 0x7f) {
1070 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
1071 "another vswitch, choose an engine id less than 128",
1074 if (hmap_count(&br->ports) > 508) {
1075 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
1076 "another port when more than 508 ports are used",
1082 sset_init(&opts.collectors);
1083 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
1086 if (ofproto_set_netflow(br->ofproto, &opts)) {
1087 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
1089 sset_destroy(&opts.collectors);
1092 /* Set sFlow configuration on 'br'. */
1094 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
1096 const struct ovsrec_sflow *cfg = br->cfg->sflow;
1097 struct ovsrec_controller **controllers;
1098 struct ofproto_sflow_options oso;
1099 size_t n_controllers;
1103 ofproto_set_sflow(br->ofproto, NULL);
1107 memset(&oso, 0, sizeof oso);
1109 sset_init(&oso.targets);
1110 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
1112 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
1113 if (cfg->sampling) {
1114 oso.sampling_rate = *cfg->sampling;
1117 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
1119 oso.polling_interval = *cfg->polling;
1122 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
1124 oso.header_len = *cfg->header;
1127 oso.sub_id = (*sflow_bridge_number)++;
1128 oso.agent_device = cfg->agent;
1130 oso.control_ip = NULL;
1131 n_controllers = bridge_get_controllers(br, &controllers);
1132 for (i = 0; i < n_controllers; i++) {
1133 if (controllers[i]->local_ip) {
1134 oso.control_ip = controllers[i]->local_ip;
1138 ofproto_set_sflow(br->ofproto, &oso);
1140 sset_destroy(&oso.targets);
1143 /* Returns whether a IPFIX row is valid. */
1145 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix *ipfix)
1147 return ipfix && ipfix->n_targets > 0;
1150 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
1152 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set *fscs,
1153 const struct bridge *br)
1155 return ovsrec_ipfix_is_valid(fscs->ipfix) && fscs->bridge == br->cfg;
1158 /* Set IPFIX configuration on 'br'. */
1160 bridge_configure_ipfix(struct bridge *br)
1162 const struct ovsrec_ipfix *be_cfg = br->cfg->ipfix;
1163 bool valid_be_cfg = ovsrec_ipfix_is_valid(be_cfg);
1164 const struct ovsrec_flow_sample_collector_set *fe_cfg;
1165 struct ofproto_ipfix_bridge_exporter_options be_opts;
1166 struct ofproto_ipfix_flow_exporter_options *fe_opts = NULL;
1167 size_t n_fe_opts = 0;
1169 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) {
1170 if (ovsrec_fscs_is_valid(fe_cfg, br)) {
1175 if (!valid_be_cfg && n_fe_opts == 0) {
1176 ofproto_set_ipfix(br->ofproto, NULL, NULL, 0);
1181 memset(&be_opts, 0, sizeof be_opts);
1183 sset_init(&be_opts.targets);
1184 sset_add_array(&be_opts.targets, be_cfg->targets, be_cfg->n_targets);
1186 if (be_cfg->sampling) {
1187 be_opts.sampling_rate = *be_cfg->sampling;
1189 be_opts.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
1191 if (be_cfg->obs_domain_id) {
1192 be_opts.obs_domain_id = *be_cfg->obs_domain_id;
1194 if (be_cfg->obs_point_id) {
1195 be_opts.obs_point_id = *be_cfg->obs_point_id;
1197 if (be_cfg->cache_active_timeout) {
1198 be_opts.cache_active_timeout = *be_cfg->cache_active_timeout;
1200 if (be_cfg->cache_max_flows) {
1201 be_opts.cache_max_flows = *be_cfg->cache_max_flows;
1204 be_opts.enable_tunnel_sampling = smap_get_bool(&be_cfg->other_config,
1205 "enable-tunnel-sampling", true);
1207 be_opts.enable_input_sampling = !smap_get_bool(&be_cfg->other_config,
1208 "enable-input-sampling", false);
1210 be_opts.enable_output_sampling = !smap_get_bool(&be_cfg->other_config,
1211 "enable-output-sampling", false);
1214 if (n_fe_opts > 0) {
1215 struct ofproto_ipfix_flow_exporter_options *opts;
1216 fe_opts = xcalloc(n_fe_opts, sizeof *fe_opts);
1218 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) {
1219 if (ovsrec_fscs_is_valid(fe_cfg, br)) {
1220 opts->collector_set_id = fe_cfg->id;
1221 sset_init(&opts->targets);
1222 sset_add_array(&opts->targets, fe_cfg->ipfix->targets,
1223 fe_cfg->ipfix->n_targets);
1224 opts->cache_active_timeout = fe_cfg->ipfix->cache_active_timeout
1225 ? *fe_cfg->ipfix->cache_active_timeout : 0;
1226 opts->cache_max_flows = fe_cfg->ipfix->cache_max_flows
1227 ? *fe_cfg->ipfix->cache_max_flows : 0;
1228 opts->enable_tunnel_sampling = smap_get_bool(
1229 &fe_cfg->ipfix->other_config,
1230 "enable-tunnel-sampling", true);
1236 ofproto_set_ipfix(br->ofproto, valid_be_cfg ? &be_opts : NULL, fe_opts,
1240 sset_destroy(&be_opts.targets);
1243 if (n_fe_opts > 0) {
1244 struct ofproto_ipfix_flow_exporter_options *opts = fe_opts;
1246 for (i = 0; i < n_fe_opts; i++) {
1247 sset_destroy(&opts->targets);
1255 port_configure_stp(const struct ofproto *ofproto, struct port *port,
1256 struct ofproto_port_stp_settings *port_s,
1257 int *port_num_counter, unsigned long *port_num_bitmap)
1259 const char *config_str;
1260 struct iface *iface;
1262 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
1263 port_s->enable = false;
1266 port_s->enable = true;
1269 /* STP over bonds is not supported. */
1270 if (!ovs_list_is_singleton(&port->ifaces)) {
1271 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1273 port_s->enable = false;
1277 iface = CONTAINER_OF(ovs_list_front(&port->ifaces), struct iface, port_elem);
1279 /* Internal ports shouldn't participate in spanning tree, so
1281 if (!strcmp(iface->type, "internal")) {
1282 VLOG_DBG("port %s: disable STP on internal ports", port->name);
1283 port_s->enable = false;
1287 /* STP on mirror output ports is not supported. */
1288 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
1289 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
1290 port_s->enable = false;
1294 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
1296 unsigned long int port_num = strtoul(config_str, NULL, 0);
1297 int port_idx = port_num - 1;
1299 if (port_num < 1 || port_num > STP_MAX_PORTS) {
1300 VLOG_ERR("port %s: invalid stp-port-num", port->name);
1301 port_s->enable = false;
1305 if (bitmap_is_set(port_num_bitmap, port_idx)) {
1306 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1307 port->name, port_num);
1308 port_s->enable = false;
1311 bitmap_set1(port_num_bitmap, port_idx);
1312 port_s->port_num = port_idx;
1314 if (*port_num_counter >= STP_MAX_PORTS) {
1315 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
1316 port_s->enable = false;
1320 port_s->port_num = (*port_num_counter)++;
1323 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
1325 port_s->path_cost = strtoul(config_str, NULL, 10);
1327 enum netdev_features current;
1330 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1331 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1332 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1335 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1337 port_s->priority = strtoul(config_str, NULL, 0);
1339 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1344 port_configure_rstp(const struct ofproto *ofproto, struct port *port,
1345 struct ofproto_port_rstp_settings *port_s, int *port_num_counter)
1347 const char *config_str;
1348 struct iface *iface;
1350 if (!smap_get_bool(&port->cfg->other_config, "rstp-enable", true)) {
1351 port_s->enable = false;
1354 port_s->enable = true;
1357 /* RSTP over bonds is not supported. */
1358 if (!ovs_list_is_singleton(&port->ifaces)) {
1359 VLOG_ERR("port %s: cannot enable RSTP on bonds, disabling",
1361 port_s->enable = false;
1365 iface = CONTAINER_OF(ovs_list_front(&port->ifaces), struct iface, port_elem);
1367 /* Internal ports shouldn't participate in spanning tree, so
1369 if (!strcmp(iface->type, "internal")) {
1370 VLOG_DBG("port %s: disable RSTP on internal ports", port->name);
1371 port_s->enable = false;
1375 /* RSTP on mirror output ports is not supported. */
1376 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
1377 VLOG_DBG("port %s: disable RSTP on mirror ports", port->name);
1378 port_s->enable = false;
1382 config_str = smap_get(&port->cfg->other_config, "rstp-port-num");
1384 unsigned long int port_num = strtoul(config_str, NULL, 0);
1385 if (port_num < 1 || port_num > RSTP_MAX_PORTS) {
1386 VLOG_ERR("port %s: invalid rstp-port-num", port->name);
1387 port_s->enable = false;
1390 port_s->port_num = port_num;
1392 if (*port_num_counter >= RSTP_MAX_PORTS) {
1393 VLOG_ERR("port %s: too many RSTP ports, disabling", port->name);
1394 port_s->enable = false;
1397 /* If rstp-port-num is not specified, use 0.
1398 * rstp_port_set_port_number() will look for the first free one. */
1399 port_s->port_num = 0;
1402 config_str = smap_get(&port->cfg->other_config, "rstp-path-cost");
1404 port_s->path_cost = strtoul(config_str, NULL, 10);
1406 enum netdev_features current;
1409 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1410 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1411 port_s->path_cost = rstp_convert_speed_to_cost(mbps);
1414 config_str = smap_get(&port->cfg->other_config, "rstp-port-priority");
1416 port_s->priority = strtoul(config_str, NULL, 0);
1418 port_s->priority = RSTP_DEFAULT_PORT_PRIORITY;
1421 config_str = smap_get(&port->cfg->other_config, "rstp-admin-p2p-mac");
1423 port_s->admin_p2p_mac_state = strtoul(config_str, NULL, 0);
1425 port_s->admin_p2p_mac_state = RSTP_ADMIN_P2P_MAC_FORCE_TRUE;
1428 port_s->admin_port_state = smap_get_bool(&port->cfg->other_config,
1429 "rstp-admin-port-state", true);
1431 port_s->admin_edge_port = smap_get_bool(&port->cfg->other_config,
1432 "rstp-port-admin-edge", false);
1433 port_s->auto_edge = smap_get_bool(&port->cfg->other_config,
1434 "rstp-port-auto-edge", true);
1435 port_s->mcheck = smap_get_bool(&port->cfg->other_config,
1436 "rstp-port-mcheck", false);
1439 /* Set spanning tree configuration on 'br'. */
1441 bridge_configure_stp(struct bridge *br, bool enable_stp)
1444 ofproto_set_stp(br->ofproto, NULL);
1446 struct ofproto_stp_settings br_s;
1447 const char *config_str;
1449 int port_num_counter;
1450 unsigned long *port_num_bitmap;
1452 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1456 if (eth_addr_from_string(config_str, &ea)) {
1457 br_s.system_id = eth_addr_to_uint64(ea);
1459 br_s.system_id = eth_addr_to_uint64(br->ea);
1460 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1461 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1464 br_s.system_id = eth_addr_to_uint64(br->ea);
1467 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1469 br_s.priority = strtoul(config_str, NULL, 0);
1471 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1474 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1476 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1478 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1481 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1483 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1485 br_s.max_age = STP_DEFAULT_MAX_AGE;
1488 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1490 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1492 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1495 /* Configure STP on the bridge. */
1496 if (ofproto_set_stp(br->ofproto, &br_s)) {
1497 VLOG_ERR("bridge %s: could not enable STP", br->name);
1501 /* Users must either set the port number with the "stp-port-num"
1502 * configuration on all ports or none. If manual configuration
1503 * is not done, then we allocate them sequentially. */
1504 port_num_counter = 0;
1505 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1506 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1507 struct ofproto_port_stp_settings port_s;
1508 struct iface *iface;
1510 port_configure_stp(br->ofproto, port, &port_s,
1511 &port_num_counter, port_num_bitmap);
1513 /* As bonds are not supported, just apply configuration to
1514 * all interfaces. */
1515 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1516 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1518 VLOG_ERR("port %s: could not enable STP", port->name);
1524 if (bitmap_scan(port_num_bitmap, 1, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1525 && port_num_counter) {
1526 VLOG_ERR("bridge %s: must manually configure all STP port "
1527 "IDs or none, disabling", br->name);
1528 ofproto_set_stp(br->ofproto, NULL);
1530 bitmap_free(port_num_bitmap);
1535 bridge_configure_rstp(struct bridge *br, bool enable_rstp)
1538 ofproto_set_rstp(br->ofproto, NULL);
1540 struct ofproto_rstp_settings br_s;
1541 const char *config_str;
1543 int port_num_counter;
1545 config_str = smap_get(&br->cfg->other_config, "rstp-address");
1549 if (eth_addr_from_string(config_str, &ea)) {
1550 br_s.address = eth_addr_to_uint64(ea);
1553 br_s.address = eth_addr_to_uint64(br->ea);
1554 VLOG_ERR("bridge %s: invalid rstp-address, defaulting "
1555 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1559 br_s.address = eth_addr_to_uint64(br->ea);
1562 config_str = smap_get(&br->cfg->other_config, "rstp-priority");
1564 br_s.priority = strtoul(config_str, NULL, 0);
1566 br_s.priority = RSTP_DEFAULT_PRIORITY;
1569 config_str = smap_get(&br->cfg->other_config, "rstp-ageing-time");
1571 br_s.ageing_time = strtoul(config_str, NULL, 0);
1573 br_s.ageing_time = RSTP_DEFAULT_AGEING_TIME;
1576 config_str = smap_get(&br->cfg->other_config,
1577 "rstp-force-protocol-version");
1579 br_s.force_protocol_version = strtoul(config_str, NULL, 0);
1581 br_s.force_protocol_version = FPV_DEFAULT;
1584 config_str = smap_get(&br->cfg->other_config, "rstp-max-age");
1586 br_s.bridge_max_age = strtoul(config_str, NULL, 10);
1588 br_s.bridge_max_age = RSTP_DEFAULT_BRIDGE_MAX_AGE;
1591 config_str = smap_get(&br->cfg->other_config, "rstp-forward-delay");
1593 br_s.bridge_forward_delay = strtoul(config_str, NULL, 10);
1595 br_s.bridge_forward_delay = RSTP_DEFAULT_BRIDGE_FORWARD_DELAY;
1598 config_str = smap_get(&br->cfg->other_config,
1599 "rstp-transmit-hold-count");
1601 br_s.transmit_hold_count = strtoul(config_str, NULL, 10);
1603 br_s.transmit_hold_count = RSTP_DEFAULT_TRANSMIT_HOLD_COUNT;
1606 /* Configure RSTP on the bridge. */
1607 if (ofproto_set_rstp(br->ofproto, &br_s)) {
1608 VLOG_ERR("bridge %s: could not enable RSTP", br->name);
1612 port_num_counter = 0;
1613 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1614 struct ofproto_port_rstp_settings port_s;
1615 struct iface *iface;
1617 port_configure_rstp(br->ofproto, port, &port_s,
1620 /* As bonds are not supported, just apply configuration to
1621 * all interfaces. */
1622 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1623 if (ofproto_port_set_rstp(br->ofproto, iface->ofp_port,
1625 VLOG_ERR("port %s: could not enable RSTP", port->name);
1634 bridge_configure_spanning_tree(struct bridge *br)
1636 bool enable_rstp = br->cfg->rstp_enable;
1637 bool enable_stp = br->cfg->stp_enable;
1639 if (enable_rstp && enable_stp) {
1640 VLOG_WARN("%s: RSTP and STP are mutually exclusive but both are "
1641 "configured; enabling RSTP", br->name);
1645 bridge_configure_stp(br, enable_stp);
1646 bridge_configure_rstp(br, enable_rstp);
1650 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1652 const struct port *port = port_lookup(br, name);
1653 return port && port_is_bond_fake_iface(port);
1657 port_is_bond_fake_iface(const struct port *port)
1659 return port->cfg->bond_fake_iface && !ovs_list_is_short(&port->ifaces);
1663 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1665 struct bridge *br, *next;
1666 struct shash_node *node;
1667 struct shash new_br;
1670 /* Collect new bridges' names and types. */
1671 shash_init(&new_br);
1672 for (i = 0; i < cfg->n_bridges; i++) {
1673 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1674 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1676 if (strchr(br_cfg->name, '/') || strchr(br_cfg->name, '\\')) {
1677 /* Prevent remote ovsdb-server users from accessing arbitrary
1678 * directories, e.g. consider a bridge named "../../../etc/".
1680 * Prohibiting "\" is only necessary on Windows but it's no great
1681 * loss elsewhere. */
1682 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1684 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1685 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1689 /* Get rid of deleted bridges or those whose types have changed.
1690 * Update 'cfg' of bridges that still exist. */
1691 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1692 br->cfg = shash_find_data(&new_br, br->name);
1693 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1694 br->cfg->datapath_type))) {
1695 bridge_destroy(br, true);
1699 /* Add new bridges. */
1700 SHASH_FOR_EACH(node, &new_br) {
1701 const struct ovsrec_bridge *br_cfg = node->data;
1702 struct bridge *br = bridge_lookup(br_cfg->name);
1704 bridge_create(br_cfg);
1708 shash_destroy(&new_br);
1711 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1712 * Returns 0 if successful, otherwise a positive errno value. */
1714 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1715 struct netdev *netdev, char **errp)
1717 return netdev_set_config(netdev, &iface_cfg->options, errp);
1720 /* Opens a network device for 'if_cfg' and configures it. Adds the network
1721 * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'.
1723 * If successful, returns 0 and stores the network device in '*netdevp'. On
1724 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1726 iface_do_create(const struct bridge *br,
1727 const struct ovsrec_interface *iface_cfg,
1728 ofp_port_t *ofp_portp, struct netdev **netdevp,
1731 struct netdev *netdev = NULL;
1734 if (netdev_is_reserved_name(iface_cfg->name)) {
1735 VLOG_WARN("could not create interface %s, name is reserved",
1741 error = netdev_open(iface_cfg->name,
1742 iface_get_type(iface_cfg, br->cfg), &netdev);
1744 VLOG_WARN_BUF(errp, "could not open network device %s (%s)",
1745 iface_cfg->name, ovs_strerror(error));
1749 error = iface_set_netdev_config(iface_cfg, netdev, errp);
1754 *ofp_portp = iface_pick_ofport(iface_cfg);
1755 error = ofproto_port_add(br->ofproto, netdev, ofp_portp);
1760 VLOG_INFO("bridge %s: added interface %s on port %d",
1761 br->name, iface_cfg->name, *ofp_portp);
1768 netdev_close(netdev);
1772 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1773 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1774 * automatically allocated for the iface. Takes ownership of and
1775 * deallocates 'if_cfg'.
1777 * Return true if an iface is successfully created, false otherwise. */
1779 iface_create(struct bridge *br, const struct ovsrec_interface *iface_cfg,
1780 const struct ovsrec_port *port_cfg)
1782 struct netdev *netdev;
1783 struct iface *iface;
1784 ofp_port_t ofp_port;
1789 /* Do the bits that can fail up front. */
1790 ovs_assert(!iface_lookup(br, iface_cfg->name));
1791 error = iface_do_create(br, iface_cfg, &ofp_port, &netdev, &errp);
1793 iface_clear_db_record(iface_cfg, errp);
1798 /* Get or create the port structure. */
1799 port = port_lookup(br, port_cfg->name);
1801 port = port_create(br, port_cfg);
1804 /* Create the iface structure. */
1805 iface = xzalloc(sizeof *iface);
1806 ovs_list_push_back(&port->ifaces, &iface->port_elem);
1807 hmap_insert(&br->iface_by_name, &iface->name_node,
1808 hash_string(iface_cfg->name, 0));
1810 iface->name = xstrdup(iface_cfg->name);
1811 iface->ofp_port = ofp_port;
1812 iface->netdev = netdev;
1813 iface->type = iface_get_type(iface_cfg, br->cfg);
1814 iface->cfg = iface_cfg;
1815 hmap_insert(&br->ifaces, &iface->ofp_port_node,
1816 hash_ofp_port(ofp_port));
1818 /* Populate initial status in database. */
1819 iface_refresh_stats(iface);
1820 iface_refresh_netdev_status(iface);
1822 /* Add bond fake iface if necessary. */
1823 if (port_is_bond_fake_iface(port)) {
1824 struct ofproto_port ofproto_port;
1826 if (ofproto_port_query_by_name(br->ofproto, port->name,
1828 struct netdev *netdev;
1831 error = netdev_open(port->name, "internal", &netdev);
1833 ofp_port_t fake_ofp_port = OFPP_NONE;
1834 ofproto_port_add(br->ofproto, netdev, &fake_ofp_port);
1835 netdev_close(netdev);
1837 VLOG_WARN("could not open network device %s (%s)",
1838 port->name, ovs_strerror(error));
1841 /* Already exists, nothing to do. */
1842 ofproto_port_destroy(&ofproto_port);
1849 /* Set forward BPDU option. */
1851 bridge_configure_forward_bpdu(struct bridge *br)
1853 ofproto_set_forward_bpdu(br->ofproto,
1854 smap_get_bool(&br->cfg->other_config,
1859 /* Set MAC learning table configuration for 'br'. */
1861 bridge_configure_mac_table(struct bridge *br)
1863 const char *idle_time_str;
1866 const char *mac_table_size_str;
1869 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1870 idle_time = (idle_time_str && atoi(idle_time_str)
1871 ? atoi(idle_time_str)
1872 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1874 mac_table_size_str = smap_get(&br->cfg->other_config, "mac-table-size");
1875 mac_table_size = (mac_table_size_str && atoi(mac_table_size_str)
1876 ? atoi(mac_table_size_str)
1879 ofproto_set_mac_table_config(br->ofproto, idle_time, mac_table_size);
1882 /* Set multicast snooping table configuration for 'br'. */
1884 bridge_configure_mcast_snooping(struct bridge *br)
1886 if (!br->cfg->mcast_snooping_enable) {
1887 ofproto_set_mcast_snooping(br->ofproto, NULL);
1890 struct ofproto_mcast_snooping_settings br_s;
1891 const char *idle_time_str;
1892 const char *max_entries_str;
1894 idle_time_str = smap_get(&br->cfg->other_config,
1895 "mcast-snooping-aging-time");
1896 br_s.idle_time = (idle_time_str && atoi(idle_time_str)
1897 ? atoi(idle_time_str)
1898 : MCAST_ENTRY_DEFAULT_IDLE_TIME);
1900 max_entries_str = smap_get(&br->cfg->other_config,
1901 "mcast-snooping-table-size");
1902 br_s.max_entries = (max_entries_str && atoi(max_entries_str)
1903 ? atoi(max_entries_str)
1904 : MCAST_DEFAULT_MAX_ENTRIES);
1906 br_s.flood_unreg = !smap_get_bool(&br->cfg->other_config,
1907 "mcast-snooping-disable-flood-unregistered",
1910 /* Configure multicast snooping on the bridge */
1911 if (ofproto_set_mcast_snooping(br->ofproto, &br_s)) {
1912 VLOG_ERR("bridge %s: could not enable multicast snooping",
1917 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1918 struct ofproto_mcast_snooping_port_settings port_s;
1919 port_s.flood = smap_get_bool(&port->cfg->other_config,
1920 "mcast-snooping-flood", false);
1921 port_s.flood_reports = smap_get_bool(&port->cfg->other_config,
1922 "mcast-snooping-flood-reports", false);
1923 if (ofproto_port_set_mcast_snooping(br->ofproto, port, &port_s)) {
1924 VLOG_ERR("port %s: could not configure mcast snooping",
1932 find_local_hw_addr(const struct bridge *br, struct eth_addr *ea,
1933 const struct port *fake_br, struct iface **hw_addr_iface)
1935 struct hmapx mirror_output_ports;
1937 bool found_addr = false;
1941 /* Mirror output ports don't participate in picking the local hardware
1942 * address. ofproto can't help us find out whether a given port is a
1943 * mirror output because we haven't configured mirrors yet, so we need to
1944 * accumulate them ourselves. */
1945 hmapx_init(&mirror_output_ports);
1946 for (i = 0; i < br->cfg->n_mirrors; i++) {
1947 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1948 if (m->output_port) {
1949 hmapx_add(&mirror_output_ports, m->output_port);
1953 /* Otherwise choose the minimum non-local MAC address among all of the
1955 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1956 struct eth_addr iface_ea;
1957 struct iface *candidate;
1958 struct iface *iface;
1960 /* Mirror output ports don't participate. */
1961 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1965 /* Choose the MAC address to represent the port. */
1967 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac,
1969 /* Find the interface with this Ethernet address (if any) so that
1970 * we can provide the correct devname to the caller. */
1971 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1972 struct eth_addr candidate_ea;
1973 if (!netdev_get_etheraddr(candidate->netdev, &candidate_ea)
1974 && eth_addr_equals(iface_ea, candidate_ea)) {
1979 /* Choose the interface whose MAC address will represent the port.
1980 * The Linux kernel bonding code always chooses the MAC address of
1981 * the first slave added to a bond, and the Fedora networking
1982 * scripts always add slaves to a bond in alphabetical order, so
1983 * for compatibility we choose the interface with the name that is
1984 * first in alphabetical order. */
1985 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1986 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1991 /* The local port doesn't count (since we're trying to choose its
1992 * MAC address anyway). */
1993 if (iface->ofp_port == OFPP_LOCAL) {
1997 /* For fake bridges we only choose from ports with the same tag */
1998 if (fake_br && fake_br->cfg && fake_br->cfg->tag) {
1999 if (!port->cfg->tag) {
2002 if (*port->cfg->tag != *fake_br->cfg->tag) {
2008 error = netdev_get_etheraddr(iface->netdev, &iface_ea);
2014 /* Compare against our current choice. */
2015 if (!eth_addr_is_multicast(iface_ea) &&
2016 !eth_addr_is_local(iface_ea) &&
2017 !eth_addr_is_reserved(iface_ea) &&
2018 !eth_addr_is_zero(iface_ea) &&
2019 (!found_addr || eth_addr_compare_3way(iface_ea, *ea) < 0))
2022 *hw_addr_iface = iface;
2028 *ea = br->default_ea;
2029 *hw_addr_iface = NULL;
2032 hmapx_destroy(&mirror_output_ports);
2036 bridge_pick_local_hw_addr(struct bridge *br, struct eth_addr *ea,
2037 struct iface **hw_addr_iface)
2040 *hw_addr_iface = NULL;
2042 /* Did the user request a particular MAC? */
2043 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
2044 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
2045 if (eth_addr_is_multicast(*ea)) {
2046 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
2047 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(*ea));
2048 } else if (eth_addr_is_zero(*ea)) {
2049 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
2055 /* Find a local hw address */
2056 find_local_hw_addr(br, ea, NULL, hw_addr_iface);
2059 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
2060 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
2061 * an interface on 'br', then that interface must be passed in as
2062 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
2063 * 'hw_addr_iface' must be passed in as a null pointer. */
2065 bridge_pick_datapath_id(struct bridge *br,
2066 const struct eth_addr bridge_ea,
2067 struct iface *hw_addr_iface)
2070 * The procedure for choosing a bridge MAC address will, in the most
2071 * ordinary case, also choose a unique MAC that we can use as a datapath
2072 * ID. In some special cases, though, multiple bridges will end up with
2073 * the same MAC address. This is OK for the bridges, but it will confuse
2074 * the OpenFlow controller, because each datapath needs a unique datapath
2077 * Datapath IDs must be unique. It is also very desirable that they be
2078 * stable from one run to the next, so that policy set on a datapath
2081 const char *datapath_id;
2084 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
2085 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
2089 if (!hw_addr_iface) {
2091 * A purely internal bridge, that is, one that has no non-virtual
2092 * network devices on it at all, is difficult because it has no
2093 * natural unique identifier at all.
2095 * When the host is a XenServer, we handle this case by hashing the
2096 * host's UUID with the name of the bridge. Names of bridges are
2097 * persistent across XenServer reboots, although they can be reused if
2098 * an internal network is destroyed and then a new one is later
2099 * created, so this is fairly effective.
2101 * When the host is not a XenServer, we punt by using a random MAC
2102 * address on each run.
2104 const char *host_uuid = xenserver_get_host_uuid();
2106 char *combined = xasprintf("%s,%s", host_uuid, br->name);
2107 dpid = dpid_from_hash(combined, strlen(combined));
2113 return eth_addr_to_uint64(bridge_ea);
2117 dpid_from_hash(const void *data, size_t n)
2120 uint8_t bytes[SHA1_DIGEST_SIZE];
2124 sha1_bytes(data, n, hash.bytes);
2125 eth_addr_mark_random(&hash.ea);
2126 return eth_addr_to_uint64(hash.ea);
2130 iface_refresh_netdev_status(struct iface *iface)
2134 enum netdev_features current;
2135 enum netdev_flags flags;
2136 const char *link_state;
2137 struct eth_addr mac;
2138 int64_t bps, mtu_64, ifindex64, link_resets;
2141 if (iface_is_synthetic(iface)) {
2145 if (iface->change_seq == netdev_get_change_seq(iface->netdev)
2146 && !status_txn_try_again) {
2150 iface->change_seq = netdev_get_change_seq(iface->netdev);
2154 if (!netdev_get_status(iface->netdev, &smap)) {
2155 ovsrec_interface_set_status(iface->cfg, &smap);
2157 ovsrec_interface_set_status(iface->cfg, NULL);
2160 smap_destroy(&smap);
2162 error = netdev_get_flags(iface->netdev, &flags);
2164 const char *state = flags & NETDEV_UP ? "up" : "down";
2166 ovsrec_interface_set_admin_state(iface->cfg, state);
2168 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2171 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2172 ovsrec_interface_set_link_state(iface->cfg, link_state);
2174 link_resets = netdev_get_carrier_resets(iface->netdev);
2175 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2177 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
2178 bps = !error ? netdev_features_to_bps(current, 0) : 0;
2180 ovsrec_interface_set_duplex(iface->cfg,
2181 netdev_features_is_full_duplex(current)
2183 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
2185 ovsrec_interface_set_duplex(iface->cfg, NULL);
2186 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
2189 error = netdev_get_mtu(iface->netdev, &mtu);
2192 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
2194 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
2197 error = netdev_get_etheraddr(iface->netdev, &mac);
2199 char mac_string[ETH_ADDR_STRLEN + 1];
2201 snprintf(mac_string, sizeof mac_string,
2202 ETH_ADDR_FMT, ETH_ADDR_ARGS(mac));
2203 ovsrec_interface_set_mac_in_use(iface->cfg, mac_string);
2205 ovsrec_interface_set_mac_in_use(iface->cfg, NULL);
2208 /* The netdev may return a negative number (such as -EOPNOTSUPP)
2209 * if there is no valid ifindex number. */
2210 ifindex64 = netdev_get_ifindex(iface->netdev);
2211 if (ifindex64 < 0) {
2214 ovsrec_interface_set_ifindex(iface->cfg, &ifindex64, 1);
2218 iface_refresh_ofproto_status(struct iface *iface)
2222 if (iface_is_synthetic(iface)) {
2226 current = ofproto_port_is_lacp_current(iface->port->bridge->ofproto,
2230 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2232 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2235 if (ofproto_port_cfm_status_changed(iface->port->bridge->ofproto,
2237 || status_txn_try_again) {
2238 iface_refresh_cfm_stats(iface);
2241 if (ofproto_port_bfd_status_changed(iface->port->bridge->ofproto,
2243 || status_txn_try_again) {
2247 ofproto_port_get_bfd_status(iface->port->bridge->ofproto,
2248 iface->ofp_port, &smap);
2249 ovsrec_interface_set_bfd_status(iface->cfg, &smap);
2250 smap_destroy(&smap);
2254 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
2257 iface_refresh_cfm_stats(struct iface *iface)
2259 const struct ovsrec_interface *cfg = iface->cfg;
2260 struct cfm_status status;
2263 error = ofproto_port_get_cfm_status(iface->port->bridge->ofproto,
2264 iface->ofp_port, &status);
2266 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
2267 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
2268 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
2269 ovsrec_interface_set_cfm_flap_count(cfg, NULL, 0);
2270 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
2271 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
2273 const char *reasons[CFM_FAULT_N_REASONS];
2274 int64_t cfm_health = status.health;
2275 int64_t cfm_flap_count = status.flap_count;
2276 bool faulted = status.faults != 0;
2279 ovsrec_interface_set_cfm_fault(cfg, &faulted, 1);
2282 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
2283 int reason = 1 << i;
2284 if (status.faults & reason) {
2285 reasons[j++] = cfm_fault_reason_to_str(reason);
2288 ovsrec_interface_set_cfm_fault_status(cfg, reasons, j);
2290 ovsrec_interface_set_cfm_flap_count(cfg, &cfm_flap_count, 1);
2292 if (status.remote_opstate >= 0) {
2293 const char *remote_opstate = status.remote_opstate ? "up" : "down";
2294 ovsrec_interface_set_cfm_remote_opstate(cfg, remote_opstate);
2296 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
2299 ovsrec_interface_set_cfm_remote_mpids(cfg,
2300 (const int64_t *)status.rmps,
2302 if (cfm_health >= 0) {
2303 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
2305 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
2313 iface_refresh_stats(struct iface *iface)
2315 #define IFACE_STATS \
2316 IFACE_STAT(rx_packets, "rx_packets") \
2317 IFACE_STAT(tx_packets, "tx_packets") \
2318 IFACE_STAT(rx_bytes, "rx_bytes") \
2319 IFACE_STAT(tx_bytes, "tx_bytes") \
2320 IFACE_STAT(rx_dropped, "rx_dropped") \
2321 IFACE_STAT(tx_dropped, "tx_dropped") \
2322 IFACE_STAT(rx_errors, "rx_errors") \
2323 IFACE_STAT(tx_errors, "tx_errors") \
2324 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
2325 IFACE_STAT(rx_over_errors, "rx_over_err") \
2326 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
2327 IFACE_STAT(collisions, "collisions") \
2328 IFACE_STAT(rx_1_to_64_packets, "rx_1_to_64_packets") \
2329 IFACE_STAT(rx_65_to_127_packets, "rx_65_to_127_packets") \
2330 IFACE_STAT(rx_128_to_255_packets, "rx_128_to_255_packets") \
2331 IFACE_STAT(rx_256_to_511_packets, "rx_256_to_511_packets") \
2332 IFACE_STAT(rx_512_to_1023_packets, "rx_512_to_1023_packets") \
2333 IFACE_STAT(rx_1024_to_1522_packets, "rx_1024_to_1518_packets") \
2334 IFACE_STAT(rx_1523_to_max_packets, "rx_1523_to_max_packets") \
2335 IFACE_STAT(tx_1_to_64_packets, "tx_1_to_64_packets") \
2336 IFACE_STAT(tx_65_to_127_packets, "tx_65_to_127_packets") \
2337 IFACE_STAT(tx_128_to_255_packets, "tx_128_to_255_packets") \
2338 IFACE_STAT(tx_256_to_511_packets, "tx_256_to_511_packets") \
2339 IFACE_STAT(tx_512_to_1023_packets, "tx_512_to_1023_packets") \
2340 IFACE_STAT(tx_1024_to_1522_packets, "tx_1024_to_1518_packets") \
2341 IFACE_STAT(tx_1523_to_max_packets, "tx_1523_to_max_packets") \
2342 IFACE_STAT(tx_multicast_packets, "tx_multicast_packets") \
2343 IFACE_STAT(rx_broadcast_packets, "rx_broadcast_packets") \
2344 IFACE_STAT(tx_broadcast_packets, "tx_broadcast_packets") \
2345 IFACE_STAT(rx_undersized_errors, "rx_undersized_errors") \
2346 IFACE_STAT(rx_oversize_errors, "rx_oversize_errors") \
2347 IFACE_STAT(rx_fragmented_errors, "rx_fragmented_errors") \
2348 IFACE_STAT(rx_jabber_errors, "rx_jabber_errors")
2350 #define IFACE_STAT(MEMBER, NAME) + 1
2351 enum { N_IFACE_STATS = IFACE_STATS };
2353 int64_t values[N_IFACE_STATS];
2354 const char *keys[N_IFACE_STATS];
2357 struct netdev_stats stats;
2359 if (iface_is_synthetic(iface)) {
2363 /* Intentionally ignore return value, since errors will set 'stats' to
2364 * all-1s, and we will deal with that correctly below. */
2365 netdev_get_stats(iface->netdev, &stats);
2367 /* Copy statistics into keys[] and values[]. */
2369 #define IFACE_STAT(MEMBER, NAME) \
2370 if (stats.MEMBER != UINT64_MAX) { \
2372 values[n] = stats.MEMBER; \
2377 ovs_assert(n <= N_IFACE_STATS);
2379 ovsrec_interface_set_statistics(iface->cfg, keys, values, n);
2384 br_refresh_datapath_info(struct bridge *br)
2386 const char *version;
2388 version = (br->ofproto && br->ofproto->ofproto_class->get_datapath_version
2389 ? br->ofproto->ofproto_class->get_datapath_version(br->ofproto)
2392 ovsrec_bridge_set_datapath_version(br->cfg,
2393 version ? version : "<unknown>");
2397 br_refresh_stp_status(struct bridge *br)
2399 struct smap smap = SMAP_INITIALIZER(&smap);
2400 struct ofproto *ofproto = br->ofproto;
2401 struct ofproto_stp_status status;
2403 if (ofproto_get_stp_status(ofproto, &status)) {
2407 if (!status.enabled) {
2408 ovsrec_bridge_set_status(br->cfg, NULL);
2412 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
2413 STP_ID_ARGS(status.bridge_id));
2414 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
2415 STP_ID_ARGS(status.designated_root));
2416 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
2418 ovsrec_bridge_set_status(br->cfg, &smap);
2419 smap_destroy(&smap);
2423 port_refresh_stp_status(struct port *port)
2425 struct ofproto *ofproto = port->bridge->ofproto;
2426 struct iface *iface;
2427 struct ofproto_port_stp_status status;
2430 if (port_is_synthetic(port)) {
2434 /* STP doesn't currently support bonds. */
2435 if (!ovs_list_is_singleton(&port->ifaces)) {
2436 ovsrec_port_set_status(port->cfg, NULL);
2440 iface = CONTAINER_OF(ovs_list_front(&port->ifaces), struct iface, port_elem);
2441 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
2445 if (!status.enabled) {
2446 ovsrec_port_set_status(port->cfg, NULL);
2450 /* Set Status column. */
2452 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
2453 smap_add(&smap, "stp_state", stp_state_name(status.state));
2454 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
2455 smap_add(&smap, "stp_role", stp_role_name(status.role));
2456 ovsrec_port_set_status(port->cfg, &smap);
2457 smap_destroy(&smap);
2461 port_refresh_stp_stats(struct port *port)
2463 struct ofproto *ofproto = port->bridge->ofproto;
2464 struct iface *iface;
2465 struct ofproto_port_stp_stats stats;
2466 const char *keys[3];
2467 int64_t int_values[3];
2469 if (port_is_synthetic(port)) {
2473 /* STP doesn't currently support bonds. */
2474 if (!ovs_list_is_singleton(&port->ifaces)) {
2478 iface = CONTAINER_OF(ovs_list_front(&port->ifaces), struct iface, port_elem);
2479 if (ofproto_port_get_stp_stats(ofproto, iface->ofp_port, &stats)) {
2483 if (!stats.enabled) {
2484 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
2488 /* Set Statistics column. */
2489 keys[0] = "stp_tx_count";
2490 int_values[0] = stats.tx_count;
2491 keys[1] = "stp_rx_count";
2492 int_values[1] = stats.rx_count;
2493 keys[2] = "stp_error_count";
2494 int_values[2] = stats.error_count;
2496 ovsrec_port_set_statistics(port->cfg, keys, int_values,
2497 ARRAY_SIZE(int_values));
2501 br_refresh_rstp_status(struct bridge *br)
2503 struct smap smap = SMAP_INITIALIZER(&smap);
2504 struct ofproto *ofproto = br->ofproto;
2505 struct ofproto_rstp_status status;
2507 if (ofproto_get_rstp_status(ofproto, &status)) {
2510 if (!status.enabled) {
2511 ovsrec_bridge_set_rstp_status(br->cfg, NULL);
2514 smap_add_format(&smap, "rstp_bridge_id", RSTP_ID_FMT,
2515 RSTP_ID_ARGS(status.bridge_id));
2516 smap_add_format(&smap, "rstp_root_path_cost", "%"PRIu32,
2517 status.root_path_cost);
2518 smap_add_format(&smap, "rstp_root_id", RSTP_ID_FMT,
2519 RSTP_ID_ARGS(status.root_id));
2520 smap_add_format(&smap, "rstp_designated_id", RSTP_ID_FMT,
2521 RSTP_ID_ARGS(status.designated_id));
2522 smap_add_format(&smap, "rstp_designated_port_id", RSTP_PORT_ID_FMT,
2523 status.designated_port_id);
2524 smap_add_format(&smap, "rstp_bridge_port_id", RSTP_PORT_ID_FMT,
2525 status.bridge_port_id);
2526 ovsrec_bridge_set_rstp_status(br->cfg, &smap);
2527 smap_destroy(&smap);
2531 port_refresh_rstp_status(struct port *port)
2533 struct ofproto *ofproto = port->bridge->ofproto;
2534 struct iface *iface;
2535 struct ofproto_port_rstp_status status;
2536 const char *keys[4];
2537 int64_t int_values[4];
2540 if (port_is_synthetic(port)) {
2544 /* RSTP doesn't currently support bonds. */
2545 if (!ovs_list_is_singleton(&port->ifaces)) {
2546 ovsrec_port_set_rstp_status(port->cfg, NULL);
2550 iface = CONTAINER_OF(ovs_list_front(&port->ifaces), struct iface, port_elem);
2551 if (ofproto_port_get_rstp_status(ofproto, iface->ofp_port, &status)) {
2555 if (!status.enabled) {
2556 ovsrec_port_set_rstp_status(port->cfg, NULL);
2557 ovsrec_port_set_rstp_statistics(port->cfg, NULL, NULL, 0);
2560 /* Set Status column. */
2563 smap_add_format(&smap, "rstp_port_id", RSTP_PORT_ID_FMT,
2565 smap_add_format(&smap, "rstp_port_role", "%s",
2566 rstp_port_role_name(status.role));
2567 smap_add_format(&smap, "rstp_port_state", "%s",
2568 rstp_state_name(status.state));
2569 smap_add_format(&smap, "rstp_designated_bridge_id", RSTP_ID_FMT,
2570 RSTP_ID_ARGS(status.designated_bridge_id));
2571 smap_add_format(&smap, "rstp_designated_port_id", RSTP_PORT_ID_FMT,
2572 status.designated_port_id);
2573 smap_add_format(&smap, "rstp_designated_path_cost", "%"PRIu32,
2574 status.designated_path_cost);
2576 ovsrec_port_set_rstp_status(port->cfg, &smap);
2577 smap_destroy(&smap);
2579 /* Set Statistics column. */
2580 keys[0] = "rstp_tx_count";
2581 int_values[0] = status.tx_count;
2582 keys[1] = "rstp_rx_count";
2583 int_values[1] = status.rx_count;
2584 keys[2] = "rstp_uptime";
2585 int_values[2] = status.uptime;
2586 keys[3] = "rstp_error_count";
2587 int_values[3] = status.error_count;
2588 ovsrec_port_set_rstp_statistics(port->cfg, keys, int_values,
2589 ARRAY_SIZE(int_values));
2593 port_refresh_bond_status(struct port *port, bool force_update)
2595 struct eth_addr mac;
2597 /* Return if port is not a bond */
2598 if (ovs_list_is_singleton(&port->ifaces)) {
2602 if (bond_get_changed_active_slave(port->name, &mac, force_update)) {
2606 ds_put_format(&mac_s, ETH_ADDR_FMT, ETH_ADDR_ARGS(mac));
2607 ovsrec_port_set_bond_active_slave(port->cfg, ds_cstr(&mac_s));
2613 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
2615 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
2619 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
2621 bool enable = enable_system_stats(cfg);
2623 system_stats_enable(enable);
2625 ovsrec_open_vswitch_set_statistics(cfg, NULL);
2630 run_system_stats(void)
2632 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
2635 stats = system_stats_run();
2637 struct ovsdb_idl_txn *txn;
2638 struct ovsdb_datum datum;
2640 txn = ovsdb_idl_txn_create(idl);
2641 ovsdb_datum_from_smap(&datum, stats);
2642 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
2644 ovsdb_idl_txn_commit(txn);
2645 ovsdb_idl_txn_destroy(txn);
2652 ofp12_controller_role_to_str(enum ofp12_controller_role role)
2655 case OFPCR12_ROLE_EQUAL:
2657 case OFPCR12_ROLE_MASTER:
2659 case OFPCR12_ROLE_SLAVE:
2661 case OFPCR12_ROLE_NOCHANGE:
2663 return "*** INVALID ROLE ***";
2668 refresh_controller_status(void)
2672 const struct ovsrec_controller *cfg;
2676 /* Accumulate status for controllers on all bridges. */
2677 HMAP_FOR_EACH (br, node, &all_bridges) {
2678 ofproto_get_ofproto_controller_info(br->ofproto, &info);
2681 /* Update each controller in the database with current status. */
2682 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
2683 struct ofproto_controller_info *cinfo =
2684 shash_find_data(&info, cfg->target);
2687 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
2688 ovsrec_controller_set_role(cfg, ofp12_controller_role_to_str(
2690 ovsrec_controller_set_status(cfg, &cinfo->pairs);
2692 ovsrec_controller_set_is_connected(cfg, false);
2693 ovsrec_controller_set_role(cfg, NULL);
2694 ovsrec_controller_set_status(cfg, NULL);
2698 ofproto_free_ofproto_controller_info(&info);
2701 /* Update interface and mirror statistics if necessary. */
2703 run_stats_update(void)
2705 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
2712 /* Statistics update interval should always be greater than or equal to
2714 stats_interval = MAX(smap_get_int(&cfg->other_config,
2715 "stats-update-interval",
2717 if (stats_timer_interval != stats_interval) {
2718 stats_timer_interval = stats_interval;
2719 stats_timer = LLONG_MIN;
2722 if (time_msec() >= stats_timer) {
2723 enum ovsdb_idl_txn_status status;
2725 /* Rate limit the update. Do not start a new update if the
2726 * previous one is not done. */
2730 stats_txn = ovsdb_idl_txn_create(idl);
2731 HMAP_FOR_EACH (br, node, &all_bridges) {
2735 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2736 struct iface *iface;
2738 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2739 iface_refresh_stats(iface);
2741 port_refresh_stp_stats(port);
2743 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2744 mirror_refresh_stats(m);
2747 refresh_controller_status();
2750 status = ovsdb_idl_txn_commit(stats_txn);
2751 if (status != TXN_INCOMPLETE) {
2752 stats_timer = time_msec() + stats_timer_interval;
2753 ovsdb_idl_txn_destroy(stats_txn);
2760 stats_update_wait(void)
2762 /* If the 'stats_txn' is non-null (transaction incomplete), waits for the
2763 * transaction to complete. Otherwise, waits for the 'stats_timer'. */
2765 ovsdb_idl_txn_wait(stats_txn);
2767 poll_timer_wait_until(stats_timer);
2771 /* Update bridge/port/interface status if necessary. */
2773 run_status_update(void)
2778 /* Rate limit the update. Do not start a new update if the
2779 * previous one is not done. */
2780 seq = seq_read(connectivity_seq_get());
2781 if (seq != connectivity_seqno || status_txn_try_again) {
2784 connectivity_seqno = seq;
2785 status_txn = ovsdb_idl_txn_create(idl);
2786 HMAP_FOR_EACH (br, node, &all_bridges) {
2789 br_refresh_stp_status(br);
2790 br_refresh_rstp_status(br);
2791 br_refresh_datapath_info(br);
2792 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2793 struct iface *iface;
2795 port_refresh_stp_status(port);
2796 port_refresh_rstp_status(port);
2797 port_refresh_bond_status(port, status_txn_try_again);
2798 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2799 iface_refresh_netdev_status(iface);
2800 iface_refresh_ofproto_status(iface);
2807 /* Commit the transaction and get the status. If the transaction finishes,
2808 * then destroy the transaction. Otherwise, keep it so that we can check
2809 * progress the next time that this function is called. */
2811 enum ovsdb_idl_txn_status status;
2813 status = ovsdb_idl_txn_commit(status_txn);
2814 if (status != TXN_INCOMPLETE) {
2815 ovsdb_idl_txn_destroy(status_txn);
2818 /* Sets the 'status_txn_try_again' if the transaction fails. */
2819 if (status == TXN_SUCCESS || status == TXN_UNCHANGED) {
2820 status_txn_try_again = false;
2822 status_txn_try_again = true;
2827 /* Refresh AA port status if necessary. */
2828 if (time_msec() >= aa_refresh_timer) {
2831 HMAP_FOR_EACH (br, node, &all_bridges) {
2832 if (bridge_aa_need_refresh(br)) {
2833 struct ovsdb_idl_txn *txn;
2835 txn = ovsdb_idl_txn_create(idl);
2836 bridge_aa_refresh_queued(br);
2837 ovsdb_idl_txn_commit(txn);
2838 ovsdb_idl_txn_destroy(txn);
2842 aa_refresh_timer = time_msec() + AA_REFRESH_INTERVAL;
2847 status_update_wait(void)
2849 /* If the 'status_txn' is non-null (transaction incomplete), waits for the
2850 * transaction to complete. If the status update to database needs to be
2851 * run again (transaction fails), registers a timeout in
2852 * 'STATUS_CHECK_AGAIN_MSEC'. Otherwise, waits on the global connectivity
2853 * sequence number. */
2855 ovsdb_idl_txn_wait(status_txn);
2856 } else if (status_txn_try_again) {
2857 poll_timer_wait_until(time_msec() + STATUS_CHECK_AGAIN_MSEC);
2859 seq_wait(connectivity_seq_get(), connectivity_seqno);
2870 /* Let each datapath type do the work that it needs to do. */
2872 ofproto_enumerate_types(&types);
2873 SSET_FOR_EACH (type, &types) {
2874 ofproto_type_run(type);
2876 sset_destroy(&types);
2878 /* Let each bridge do the work that it needs to do. */
2879 HMAP_FOR_EACH (br, node, &all_bridges) {
2880 ofproto_run(br->ofproto);
2887 static struct ovsrec_open_vswitch null_cfg;
2888 const struct ovsrec_open_vswitch *cfg;
2890 ovsrec_open_vswitch_init(&null_cfg);
2896 if (ovsdb_idl_is_lock_contended(idl)) {
2897 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2898 struct bridge *br, *next_br;
2900 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2901 "disabling this process (pid %ld) until it goes away",
2902 (long int) getpid());
2904 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2905 bridge_destroy(br, false);
2907 /* Since we will not be running system_stats_run() in this process
2908 * with the current situation of multiple ovs-vswitchd daemons,
2909 * disable system stats collection. */
2910 system_stats_enable(false);
2912 } else if (!ovsdb_idl_has_lock(idl)
2913 || !ovsdb_idl_has_ever_connected(idl)) {
2914 /* Returns if not holding the lock or not done retrieving db
2918 cfg = ovsrec_open_vswitch_first(idl);
2921 dpdk_init(&cfg->other_config);
2924 /* Initialize the ofproto library. This only needs to run once, but
2925 * it must be done after the configuration is set. If the
2926 * initialization has already occurred, bridge_init_ofproto()
2927 * returns immediately. */
2928 bridge_init_ofproto(cfg);
2930 /* Once the value of flow-restore-wait is false, we no longer should
2931 * check its value from the database. */
2932 if (cfg && ofproto_get_flow_restore_wait()) {
2933 ofproto_set_flow_restore_wait(smap_get_bool(&cfg->other_config,
2934 "flow-restore-wait", false));
2939 /* Re-configure SSL. We do this on every trip through the main loop,
2940 * instead of just when the database changes, because the contents of the
2941 * key and certificate files can change without the database changing.
2943 * We do this before bridge_reconfigure() because that function might
2944 * initiate SSL connections and thus requires SSL to be configured. */
2945 if (cfg && cfg->ssl) {
2946 const struct ovsrec_ssl *ssl = cfg->ssl;
2948 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2949 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2952 if (ovsdb_idl_get_seqno(idl) != idl_seqno || ifaces_changed) {
2953 struct ovsdb_idl_txn *txn;
2955 ifaces_changed = false;
2957 idl_seqno = ovsdb_idl_get_seqno(idl);
2958 txn = ovsdb_idl_txn_create(idl);
2959 bridge_reconfigure(cfg ? cfg : &null_cfg);
2962 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2963 discover_types(cfg);
2966 /* If we are completing our initial configuration for this run
2967 * of ovs-vswitchd, then keep the transaction around to monitor
2968 * it for completion. */
2969 if (initial_config_done) {
2970 /* Always sets the 'status_txn_try_again' to check again,
2971 * in case that this transaction fails. */
2972 status_txn_try_again = true;
2973 ovsdb_idl_txn_commit(txn);
2974 ovsdb_idl_txn_destroy(txn);
2976 initial_config_done = true;
2977 daemonize_txn = txn;
2981 if (daemonize_txn) {
2982 enum ovsdb_idl_txn_status status = ovsdb_idl_txn_commit(daemonize_txn);
2983 if (status != TXN_INCOMPLETE) {
2984 ovsdb_idl_txn_destroy(daemonize_txn);
2985 daemonize_txn = NULL;
2987 /* ovs-vswitchd has completed initialization, so allow the
2988 * process that forked us to exit successfully. */
2989 daemonize_complete();
2991 vlog_enable_async();
2993 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name, VERSION);
2998 run_status_update();
3008 ovsdb_idl_wait(idl);
3009 if (daemonize_txn) {
3010 ovsdb_idl_txn_wait(daemonize_txn);
3014 if (ifaces_changed) {
3015 poll_immediate_wake();
3019 ofproto_enumerate_types(&types);
3020 SSET_FOR_EACH (type, &types) {
3021 ofproto_type_wait(type);
3023 sset_destroy(&types);
3025 if (!hmap_is_empty(&all_bridges)) {
3028 HMAP_FOR_EACH (br, node, &all_bridges) {
3029 ofproto_wait(br->ofproto);
3031 stats_update_wait();
3032 status_update_wait();
3035 system_stats_wait();
3038 /* Adds some memory usage statistics for bridges into 'usage', for use with
3039 * memory_report(). */
3041 bridge_get_memory_usage(struct simap *usage)
3048 ofproto_enumerate_types(&types);
3049 SSET_FOR_EACH (type, &types) {
3050 ofproto_type_get_memory_usage(type, usage);
3052 sset_destroy(&types);
3054 HMAP_FOR_EACH (br, node, &all_bridges) {
3055 ofproto_get_memory_usage(br->ofproto, usage);
3059 /* QoS unixctl user interface functions. */
3061 struct qos_unixctl_show_cbdata {
3063 struct iface *iface;
3067 qos_unixctl_show_queue(unsigned int queue_id,
3068 const struct smap *details,
3069 struct iface *iface,
3072 struct netdev_queue_stats stats;
3073 struct smap_node *node;
3076 ds_put_cstr(ds, "\n");
3078 ds_put_format(ds, "Queue %u:\n", queue_id);
3080 ds_put_cstr(ds, "Default:\n");
3083 SMAP_FOR_EACH (node, details) {
3084 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
3087 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
3089 if (stats.tx_packets != UINT64_MAX) {
3090 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
3093 if (stats.tx_bytes != UINT64_MAX) {
3094 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
3097 if (stats.tx_errors != UINT64_MAX) {
3098 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
3101 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
3102 queue_id, ovs_strerror(error));
3107 qos_unixctl_show_types(struct unixctl_conn *conn, int argc OVS_UNUSED,
3108 const char *argv[], void *aux OVS_UNUSED)
3110 struct ds ds = DS_EMPTY_INITIALIZER;
3111 struct sset types = SSET_INITIALIZER(&types);
3112 struct iface *iface;
3113 const char * types_name;
3116 iface = iface_find(argv[1]);
3118 unixctl_command_reply_error(conn, "no such interface");
3122 error = netdev_get_qos_types(iface->netdev, &types);
3124 if (!sset_is_empty(&types)) {
3125 SSET_FOR_EACH (types_name, &types) {
3126 ds_put_format(&ds, "QoS type: %s\n", types_name);
3128 unixctl_command_reply(conn, ds_cstr(&ds));
3130 ds_put_format(&ds, "No QoS types supported for interface: %s\n",
3132 unixctl_command_reply(conn, ds_cstr(&ds));
3135 ds_put_format(&ds, "%s: failed to retrieve supported QoS types (%s)",
3136 iface->name, ovs_strerror(error));
3137 unixctl_command_reply_error(conn, ds_cstr(&ds));
3140 sset_destroy(&types);
3145 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
3146 const char *argv[], void *aux OVS_UNUSED)
3148 struct ds ds = DS_EMPTY_INITIALIZER;
3149 struct smap smap = SMAP_INITIALIZER(&smap);
3150 struct iface *iface;
3152 struct smap_node *node;
3155 iface = iface_find(argv[1]);
3157 unixctl_command_reply_error(conn, "no such interface");
3161 error = netdev_get_qos(iface->netdev, &type, &smap);
3163 if (*type != '\0') {
3164 struct netdev_queue_dump dump;
3165 struct smap details;
3166 unsigned int queue_id;
3168 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
3170 SMAP_FOR_EACH (node, &smap) {
3171 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
3174 smap_init(&details);
3175 NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &dump, iface->netdev) {
3176 qos_unixctl_show_queue(queue_id, &details, iface, &ds);
3178 smap_destroy(&details);
3180 unixctl_command_reply(conn, ds_cstr(&ds));
3182 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
3183 unixctl_command_reply_error(conn, ds_cstr(&ds));
3186 ds_put_format(&ds, "%s: failed to retrieve QOS configuration (%s)\n",
3187 iface->name, ovs_strerror(error));
3188 unixctl_command_reply_error(conn, ds_cstr(&ds));
3191 smap_destroy(&smap);
3195 /* Bridge reconfiguration functions. */
3197 bridge_create(const struct ovsrec_bridge *br_cfg)
3201 ovs_assert(!bridge_lookup(br_cfg->name));
3202 br = xzalloc(sizeof *br);
3204 br->name = xstrdup(br_cfg->name);
3205 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
3208 /* Derive the default Ethernet address from the bridge's UUID. This should
3209 * be unique and it will be stable between ovs-vswitchd runs. */
3210 memcpy(&br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
3211 eth_addr_mark_random(&br->default_ea);
3213 hmap_init(&br->ports);
3214 hmap_init(&br->ifaces);
3215 hmap_init(&br->iface_by_name);
3216 hmap_init(&br->mirrors);
3218 hmap_init(&br->mappings);
3219 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
3223 bridge_destroy(struct bridge *br, bool del)
3226 struct mirror *mirror, *next_mirror;
3227 struct port *port, *next_port;
3229 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
3232 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
3233 mirror_destroy(mirror);
3236 hmap_remove(&all_bridges, &br->node);
3237 ofproto_destroy(br->ofproto, del);
3238 hmap_destroy(&br->ifaces);
3239 hmap_destroy(&br->ports);
3240 hmap_destroy(&br->iface_by_name);
3241 hmap_destroy(&br->mirrors);
3242 hmap_destroy(&br->mappings);
3249 static struct bridge *
3250 bridge_lookup(const char *name)
3254 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
3255 if (!strcmp(br->name, name)) {
3262 /* Handle requests for a listing of all flows known by the OpenFlow
3263 * stack, including those normally hidden. */
3265 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
3266 const char *argv[], void *aux OVS_UNUSED)
3271 br = bridge_lookup(argv[1]);
3273 unixctl_command_reply_error(conn, "Unknown bridge");
3278 ofproto_get_all_flows(br->ofproto, &results);
3280 unixctl_command_reply(conn, ds_cstr(&results));
3281 ds_destroy(&results);
3284 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
3285 * connections and reconnect. If BRIDGE is not specified, then all bridges
3286 * drop their controller connections and reconnect. */
3288 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
3289 const char *argv[], void *aux OVS_UNUSED)
3293 br = bridge_lookup(argv[1]);
3295 unixctl_command_reply_error(conn, "Unknown bridge");
3298 ofproto_reconnect_controllers(br->ofproto);
3300 HMAP_FOR_EACH (br, node, &all_bridges) {
3301 ofproto_reconnect_controllers(br->ofproto);
3304 unixctl_command_reply(conn, NULL);
3308 bridge_get_controllers(const struct bridge *br,
3309 struct ovsrec_controller ***controllersp)
3311 struct ovsrec_controller **controllers;
3312 size_t n_controllers;
3314 controllers = br->cfg->controller;
3315 n_controllers = br->cfg->n_controller;
3317 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
3323 *controllersp = controllers;
3325 return n_controllers;
3329 bridge_collect_wanted_ports(struct bridge *br,
3330 struct shash *wanted_ports)
3334 shash_init(wanted_ports);
3336 for (i = 0; i < br->cfg->n_ports; i++) {
3337 const char *name = br->cfg->ports[i]->name;
3338 if (!shash_add_once(wanted_ports, name, br->cfg->ports[i])) {
3339 VLOG_WARN("bridge %s: %s specified twice as bridge port",
3343 if (bridge_get_controllers(br, NULL)
3344 && !shash_find(wanted_ports, br->name)) {
3345 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
3346 br->name, br->name);
3348 ovsrec_interface_init(&br->synth_local_iface);
3349 ovsrec_port_init(&br->synth_local_port);
3351 br->synth_local_port.interfaces = &br->synth_local_ifacep;
3352 br->synth_local_port.n_interfaces = 1;
3353 br->synth_local_port.name = br->name;
3355 br->synth_local_iface.name = br->name;
3356 br->synth_local_iface.type = "internal";
3358 br->synth_local_ifacep = &br->synth_local_iface;
3360 shash_add(wanted_ports, br->name, &br->synth_local_port);
3364 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
3365 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
3366 * 'br' needs to complete its configuration. */
3368 bridge_del_ports(struct bridge *br, const struct shash *wanted_ports)
3370 struct shash_node *port_node;
3371 struct port *port, *next;
3373 /* Get rid of deleted ports.
3374 * Get rid of deleted interfaces on ports that still exist. */
3375 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
3376 port->cfg = shash_find_data(wanted_ports, port->name);
3380 port_del_ifaces(port);
3384 /* Update iface->cfg and iface->type in interfaces that still exist. */
3385 SHASH_FOR_EACH (port_node, wanted_ports) {
3386 const struct ovsrec_port *port = port_node->data;
3389 for (i = 0; i < port->n_interfaces; i++) {
3390 const struct ovsrec_interface *cfg = port->interfaces[i];
3391 struct iface *iface = iface_lookup(br, cfg->name);
3392 const char *type = iface_get_type(cfg, br->cfg);
3397 } else if (!strcmp(type, "null")) {
3398 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
3399 " may be removed in February 2013. Please email"
3400 " dev@openvswitch.org with concerns.",
3403 /* We will add new interfaces later. */
3409 /* Initializes 'oc' appropriately as a management service controller for
3412 * The caller must free oc->target when it is no longer needed. */
3414 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
3415 struct ofproto_controller *oc)
3417 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
3418 oc->max_backoff = 0;
3419 oc->probe_interval = 60;
3420 oc->band = OFPROTO_OUT_OF_BAND;
3422 oc->burst_limit = 0;
3423 oc->enable_async_msgs = true;
3427 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
3429 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
3430 struct ofproto_controller *oc)
3434 oc->target = c->target;
3435 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
3436 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
3437 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
3438 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
3439 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
3440 oc->burst_limit = (c->controller_burst_limit
3441 ? *c->controller_burst_limit : 0);
3442 oc->enable_async_msgs = (!c->enable_async_messages
3443 || *c->enable_async_messages);
3444 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
3445 if (dscp < 0 || dscp > 63) {
3446 dscp = DSCP_DEFAULT;
3451 /* Configures the IP stack for 'br''s local interface properly according to the
3452 * configuration in 'c'. */
3454 bridge_configure_local_iface_netdev(struct bridge *br,
3455 struct ovsrec_controller *c)
3457 struct netdev *netdev;
3458 struct in_addr mask, gateway;
3460 struct iface *local_iface;
3463 /* If there's no local interface or no IP address, give up. */
3464 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
3465 if (!local_iface || !c->local_ip || !ip_parse(c->local_ip, &ip.s_addr)) {
3469 /* Bring up the local interface. */
3470 netdev = local_iface->netdev;
3471 netdev_turn_flags_on(netdev, NETDEV_UP, NULL);
3473 /* Configure the IP address and netmask. */
3474 if (!c->local_netmask
3475 || !ip_parse(c->local_netmask, &mask.s_addr)
3477 mask.s_addr = guess_netmask(ip.s_addr);
3479 if (!netdev_set_in4(netdev, ip, mask)) {
3480 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
3481 br->name, IP_ARGS(ip.s_addr), IP_ARGS(mask.s_addr));
3484 /* Configure the default gateway. */
3485 if (c->local_gateway
3486 && ip_parse(c->local_gateway, &gateway.s_addr)
3487 && gateway.s_addr) {
3488 if (!netdev_add_router(netdev, gateway)) {
3489 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
3490 br->name, IP_ARGS(gateway.s_addr));
3495 /* Returns true if 'a' and 'b' are the same except that any number of slashes
3496 * in either string are treated as equal to any number of slashes in the other,
3497 * e.g. "x///y" is equal to "x/y".
3499 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
3500 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
3501 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
3502 * 'b' against a prefix of 'a'.
3505 equal_pathnames(const char *a, const char *b, size_t b_stoplen)
3507 const char *b_start = b;
3509 if (b - b_start >= b_stoplen) {
3511 } else if (*a != *b) {
3513 } else if (*a == '/') {
3514 a += strspn(a, "/");
3515 b += strspn(b, "/");
3516 } else if (*a == '\0') {
3526 bridge_configure_remotes(struct bridge *br,
3527 const struct sockaddr_in *managers, size_t n_managers)
3529 bool disable_in_band;
3531 struct ovsrec_controller **controllers;
3532 size_t n_controllers;
3534 enum ofproto_fail_mode fail_mode;
3536 struct ofproto_controller *ocs;
3540 /* Check if we should disable in-band control on this bridge. */
3541 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
3544 /* Set OpenFlow queue ID for in-band control. */
3545 ofproto_set_in_band_queue(br->ofproto,
3546 smap_get_int(&br->cfg->other_config,
3547 "in-band-queue", -1));
3549 if (disable_in_band) {
3550 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
3552 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
3555 n_controllers = bridge_get_controllers(br, &controllers);
3557 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
3560 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
3561 for (i = 0; i < n_controllers; i++) {
3562 struct ovsrec_controller *c = controllers[i];
3564 if (!strncmp(c->target, "punix:", 6)
3565 || !strncmp(c->target, "unix:", 5)) {
3566 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3569 if (!strncmp(c->target, "unix:", 5)) {
3570 /* Connect to a listening socket */
3571 whitelist = xasprintf("unix:%s/", ovs_rundir());
3572 if (strchr(c->target, '/') &&
3573 !equal_pathnames(c->target, whitelist,
3574 strlen(whitelist))) {
3575 /* Absolute path specified, but not in ovs_rundir */
3576 VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket "
3577 "controller \"%s\" due to possibility for "
3578 "remote exploit. Instead, specify socket "
3579 "in whitelisted \"%s\" or connect to "
3580 "\"unix:%s/%s.mgmt\" (which is always "
3581 "available without special configuration).",
3582 br->name, c->target, whitelist,
3583 ovs_rundir(), br->name);
3588 whitelist = xasprintf("punix:%s/%s.",
3589 ovs_rundir(), br->name);
3590 if (!equal_pathnames(c->target, whitelist, strlen(whitelist))
3591 || strchr(c->target + strlen(whitelist), '/')) {
3592 /* Prevent remote ovsdb-server users from accessing
3593 * arbitrary Unix domain sockets and overwriting arbitrary
3595 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
3596 "controller \"%s\" due to possibility of "
3597 "overwriting local files. Instead, specify "
3598 "path in whitelisted format \"%s*\" or "
3599 "connect to \"unix:%s/%s.mgmt\" (which is "
3600 "always available without special "
3602 br->name, c->target, whitelist,
3603 ovs_rundir(), br->name);
3612 bridge_configure_local_iface_netdev(br, c);
3613 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
3614 if (disable_in_band) {
3615 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
3620 ofproto_set_controllers(br->ofproto, ocs, n_ocs,
3621 bridge_get_allowed_versions(br));
3622 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
3625 /* Set the fail-mode. */
3626 fail_mode = !br->cfg->fail_mode
3627 || !strcmp(br->cfg->fail_mode, "standalone")
3628 ? OFPROTO_FAIL_STANDALONE
3629 : OFPROTO_FAIL_SECURE;
3630 ofproto_set_fail_mode(br->ofproto, fail_mode);
3632 /* Configure OpenFlow controller connection snooping. */
3633 if (!ofproto_has_snoops(br->ofproto)) {
3637 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
3638 ovs_rundir(), br->name));
3639 ofproto_set_snoops(br->ofproto, &snoops);
3640 sset_destroy(&snoops);
3645 bridge_configure_tables(struct bridge *br)
3647 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3651 n_tables = ofproto_get_n_tables(br->ofproto);
3653 for (i = 0; i < n_tables; i++) {
3654 struct ofproto_table_settings s;
3655 bool use_default_prefixes = true;
3658 s.max_flows = UINT_MAX;
3660 s.enable_eviction = false;
3662 s.n_prefix_fields = 0;
3663 memset(s.prefix_fields, ~0, sizeof(s.prefix_fields));
3665 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
3666 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
3669 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
3670 s.max_flows = *cfg->flow_limit;
3673 s.enable_eviction = (cfg->overflow_policy
3674 && !strcmp(cfg->overflow_policy, "evict"));
3675 if (cfg->n_groups) {
3676 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
3677 for (k = 0; k < cfg->n_groups; k++) {
3678 const char *string = cfg->groups[k];
3681 msg = mf_parse_subfield__(&s.groups[k], &string);
3683 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
3684 "'groups' (%s)", br->name, i, msg);
3686 } else if (*string) {
3687 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
3688 "element '%s' contains trailing garbage",
3689 br->name, i, cfg->groups[k]);
3696 /* Prefix lookup fields. */
3697 s.n_prefix_fields = 0;
3698 for (k = 0; k < cfg->n_prefixes; k++) {
3699 const char *name = cfg->prefixes[k];
3700 const struct mf_field *mf;
3702 if (strcmp(name, "none") == 0) {
3703 use_default_prefixes = false;
3704 s.n_prefix_fields = 0;
3707 mf = mf_from_name(name);
3709 VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s",
3713 if (mf->flow_be32ofs < 0 || mf->n_bits % 32) {
3714 VLOG_WARN("bridge %s: 'prefixes' with incompatible field: "
3715 "%s", br->name, name);
3718 if (s.n_prefix_fields >= ARRAY_SIZE(s.prefix_fields)) {
3719 VLOG_WARN("bridge %s: 'prefixes' with too many fields, "
3720 "field not used: %s", br->name, name);
3723 use_default_prefixes = false;
3724 s.prefix_fields[s.n_prefix_fields++] = mf->id;
3727 if (use_default_prefixes) {
3728 /* Use default values. */
3729 s.n_prefix_fields = ARRAY_SIZE(default_prefix_fields);
3730 memcpy(s.prefix_fields, default_prefix_fields,
3731 sizeof default_prefix_fields);
3734 struct ds ds = DS_EMPTY_INITIALIZER;
3735 for (k = 0; k < s.n_prefix_fields; k++) {
3737 ds_put_char(&ds, ',');
3739 ds_put_cstr(&ds, mf_from_id(s.prefix_fields[k])->name);
3741 if (s.n_prefix_fields == 0) {
3742 ds_put_cstr(&ds, "none");
3744 VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.",
3745 br->name, i, ds_cstr(&ds));
3749 ofproto_configure_table(br->ofproto, i, &s);
3753 for (; j < br->cfg->n_flow_tables; j++) {
3754 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
3755 "%"PRId64" not supported by this datapath", br->name,
3756 br->cfg->key_flow_tables[j]);
3761 bridge_configure_dp_desc(struct bridge *br)
3763 ofproto_set_dp_desc(br->ofproto,
3764 smap_get(&br->cfg->other_config, "dp-desc"));
3767 static struct aa_mapping *
3768 bridge_aa_mapping_find(struct bridge *br, const int64_t isid)
3770 struct aa_mapping *m;
3772 HMAP_FOR_EACH_IN_BUCKET (m,
3774 hash_bytes(&isid, sizeof isid, 0),
3776 if (isid == m->isid) {
3783 static struct aa_mapping *
3784 bridge_aa_mapping_create(struct bridge *br,
3788 struct aa_mapping *m;
3790 m = xzalloc(sizeof *m);
3794 m->br_name = xstrdup(br->name);
3795 hmap_insert(&br->mappings,
3797 hash_bytes(&isid, sizeof isid, 0));
3803 bridge_aa_mapping_destroy(struct aa_mapping *m)
3806 struct bridge *br = m->bridge;
3809 ofproto_aa_mapping_unregister(br->ofproto, m);
3812 hmap_remove(&br->mappings, &m->hmap_node);
3821 bridge_aa_mapping_configure(struct aa_mapping *m)
3823 struct aa_mapping_settings s;
3829 ofproto_aa_mapping_register(m->bridge->ofproto, m, &s);
3835 bridge_configure_aa(struct bridge *br)
3837 const struct ovsdb_datum *mc;
3838 struct ovsrec_autoattach *auto_attach = br->cfg->auto_attach;
3839 struct aa_settings aa_s;
3840 struct aa_mapping *m, *next;
3844 ofproto_set_aa(br->ofproto, NULL, NULL);
3848 memset(&aa_s, 0, sizeof aa_s);
3849 aa_s.system_description = auto_attach->system_description;
3850 aa_s.system_name = auto_attach->system_name;
3851 ofproto_set_aa(br->ofproto, NULL, &aa_s);
3853 mc = ovsrec_autoattach_get_mappings(auto_attach,
3855 OVSDB_TYPE_INTEGER);
3856 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mappings) {
3857 union ovsdb_atom atom;
3859 atom.integer = m->isid;
3860 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3861 VLOG_INFO("Deleting isid=%"PRIu32", vlan=%"PRIu16,
3863 bridge_aa_mapping_destroy(m);
3867 /* Add new mappings and reconfigure existing ones. */
3868 for (i = 0; i < auto_attach->n_mappings; ++i) {
3869 struct aa_mapping *m =
3870 bridge_aa_mapping_find(br, auto_attach->key_mappings[i]);
3873 VLOG_INFO("Adding isid=%"PRId64", vlan=%"PRId64,
3874 auto_attach->key_mappings[i],
3875 auto_attach->value_mappings[i]);
3876 m = bridge_aa_mapping_create(br,
3877 auto_attach->key_mappings[i],
3878 auto_attach->value_mappings[i]);
3880 if (!bridge_aa_mapping_configure(m)) {
3881 bridge_aa_mapping_destroy(m);
3888 bridge_aa_need_refresh(struct bridge *br)
3890 return ofproto_aa_vlan_get_queue_size(br->ofproto) > 0;
3894 bridge_aa_update_trunks(struct port *port, struct bridge_aa_vlan *m)
3896 int64_t *trunks = NULL;
3898 bool found = false, reconfigure = false;
3900 for (i = 0; i < port->cfg->n_trunks; i++) {
3901 if (port->cfg->trunks[i] == m->vlan) {
3908 case BRIDGE_AA_VLAN_OPER_ADD:
3910 trunks = xmalloc(sizeof *trunks * (port->cfg->n_trunks + 1));
3912 for (i = 0; i < port->cfg->n_trunks; i++) {
3913 trunks[i] = port->cfg->trunks[i];
3915 trunks[i++] = m->vlan;
3921 case BRIDGE_AA_VLAN_OPER_REMOVE:
3925 trunks = xmalloc(sizeof *trunks * (port->cfg->n_trunks - 1));
3927 for (i = 0; i < port->cfg->n_trunks; i++) {
3928 if (port->cfg->trunks[i] != m->vlan) {
3929 trunks[j++] = port->cfg->trunks[i];
3938 case BRIDGE_AA_VLAN_OPER_UNDEF:
3940 VLOG_WARN("unrecognized operation %u", m->oper);
3945 /* VLAN switching under trunk mode cause the trunk port to switch all
3946 * VLANs, see ovs-vswitchd.conf.db
3949 static char *vlan_mode_access = "access";
3950 ovsrec_port_set_vlan_mode(port->cfg, vlan_mode_access);
3954 static char *vlan_mode_trunk = "trunk";
3955 ovsrec_port_set_vlan_mode(port->cfg, vlan_mode_trunk);
3958 ovsrec_port_set_trunks(port->cfg, trunks, i);
3960 /* Force reconfigure of the port. */
3961 port_configure(port);
3966 bridge_aa_refresh_queued(struct bridge *br)
3968 struct ovs_list *list = xmalloc(sizeof *list);
3969 struct bridge_aa_vlan *node, *next;
3971 ovs_list_init(list);
3972 ofproto_aa_vlan_get_queued(br->ofproto, list);
3974 LIST_FOR_EACH_SAFE (node, next, list_node, list) {
3977 VLOG_INFO("ifname=%s, vlan=%u, oper=%u", node->port_name, node->vlan,
3980 port = port_lookup(br, node->port_name);
3982 bridge_aa_update_trunks(port, node);
3985 ovs_list_remove(&node->list_node);
3986 free(node->port_name);
3994 /* Port functions. */
3996 static struct port *
3997 port_create(struct bridge *br, const struct ovsrec_port *cfg)
4001 port = xzalloc(sizeof *port);
4003 port->name = xstrdup(cfg->name);
4005 ovs_list_init(&port->ifaces);
4007 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
4011 /* Deletes interfaces from 'port' that are no longer configured for it. */
4013 port_del_ifaces(struct port *port)
4015 struct iface *iface, *next;
4016 struct sset new_ifaces;
4019 /* Collect list of new interfaces. */
4020 sset_init(&new_ifaces);
4021 for (i = 0; i < port->cfg->n_interfaces; i++) {
4022 const char *name = port->cfg->interfaces[i]->name;
4023 const char *type = port->cfg->interfaces[i]->type;
4024 if (strcmp(type, "null")) {
4025 sset_add(&new_ifaces, name);
4029 /* Get rid of deleted interfaces. */
4030 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
4031 if (!sset_contains(&new_ifaces, iface->name)) {
4032 iface_destroy(iface);
4036 sset_destroy(&new_ifaces);
4040 port_destroy(struct port *port)
4043 struct bridge *br = port->bridge;
4044 struct iface *iface, *next;
4047 ofproto_bundle_unregister(br->ofproto, port);
4050 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
4051 iface_destroy__(iface);
4054 hmap_remove(&br->ports, &port->hmap_node);
4060 static struct port *
4061 port_lookup(const struct bridge *br, const char *name)
4065 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
4067 if (!strcmp(port->name, name)) {
4075 enable_lacp(struct port *port, bool *activep)
4077 if (!port->cfg->lacp) {
4078 /* XXX when LACP implementation has been sufficiently tested, enable by
4079 * default and make active on bonded ports. */
4081 } else if (!strcmp(port->cfg->lacp, "off")) {
4083 } else if (!strcmp(port->cfg->lacp, "active")) {
4086 } else if (!strcmp(port->cfg->lacp, "passive")) {
4090 VLOG_WARN("port %s: unknown LACP mode %s",
4091 port->name, port->cfg->lacp);
4096 static struct lacp_settings *
4097 port_configure_lacp(struct port *port, struct lacp_settings *s)
4099 const char *lacp_time, *system_id;
4102 if (!enable_lacp(port, &s->active)) {
4106 s->name = port->name;
4108 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
4110 if (!ovs_scan(system_id, ETH_ADDR_SCAN_FMT,
4111 ETH_ADDR_SCAN_ARGS(s->id))) {
4112 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
4113 " address.", port->name, system_id);
4117 s->id = port->bridge->ea;
4120 if (eth_addr_is_zero(s->id)) {
4121 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
4125 /* Prefer bondable links if unspecified. */
4126 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
4128 s->priority = (priority > 0 && priority <= UINT16_MAX
4130 : UINT16_MAX - !ovs_list_is_short(&port->ifaces));
4132 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
4133 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
4135 s->fallback_ab_cfg = smap_get_bool(&port->cfg->other_config,
4136 "lacp-fallback-ab", false);
4142 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
4144 int priority, portid, key;
4146 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
4147 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
4149 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
4151 if (portid <= 0 || portid > UINT16_MAX) {
4152 portid = ofp_to_u16(iface->ofp_port);
4155 if (priority <= 0 || priority > UINT16_MAX) {
4156 priority = UINT16_MAX;
4159 if (key < 0 || key > UINT16_MAX) {
4163 s->name = iface->name;
4165 s->priority = priority;
4170 port_configure_bond(struct port *port, struct bond_settings *s)
4172 const char *detect_s;
4173 struct iface *iface;
4175 int miimon_interval;
4177 s->name = port->name;
4179 if (port->cfg->bond_mode) {
4180 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
4181 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
4182 port->name, port->cfg->bond_mode,
4183 bond_mode_to_string(s->balance));
4186 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
4188 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
4189 * active-backup. At some point we should remove this warning. */
4190 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
4191 " in previous versions, the default bond_mode was"
4192 " balance-slb", port->name,
4193 bond_mode_to_string(s->balance));
4195 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
4196 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
4197 "please use another bond type or disable flood_vlans",
4201 miimon_interval = smap_get_int(&port->cfg->other_config,
4202 "bond-miimon-interval", 0);
4203 if (miimon_interval <= 0) {
4204 miimon_interval = 200;
4207 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
4208 if (!detect_s || !strcmp(detect_s, "carrier")) {
4209 miimon_interval = 0;
4210 } else if (strcmp(detect_s, "miimon")) {
4211 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
4212 "defaulting to carrier", port->name, detect_s);
4213 miimon_interval = 0;
4216 s->up_delay = MAX(0, port->cfg->bond_updelay);
4217 s->down_delay = MAX(0, port->cfg->bond_downdelay);
4218 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
4219 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
4220 "bond-rebalance-interval", 10000);
4221 if (s->rebalance_interval && s->rebalance_interval < 1000) {
4222 s->rebalance_interval = 1000;
4225 s->lacp_fallback_ab_cfg = smap_get_bool(&port->cfg->other_config,
4226 "lacp-fallback-ab", false);
4228 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
4229 netdev_set_miimon_interval(iface->netdev, miimon_interval);
4232 mac_s = port->cfg->bond_active_slave;
4233 if (!mac_s || !ovs_scan(mac_s, ETH_ADDR_SCAN_FMT,
4234 ETH_ADDR_SCAN_ARGS(s->active_slave_mac))) {
4235 /* OVSDB did not store the last active interface */
4236 s->active_slave_mac = eth_addr_zero;
4240 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
4241 * instead of obtaining it from the database. */
4243 port_is_synthetic(const struct port *port)
4245 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
4248 /* Interface functions. */
4251 iface_is_internal(const struct ovsrec_interface *iface,
4252 const struct ovsrec_bridge *br)
4254 /* The local port and "internal" ports are always "internal". */
4255 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
4258 /* Returns the correct network device type for interface 'iface' in bridge
4261 iface_get_type(const struct ovsrec_interface *iface,
4262 const struct ovsrec_bridge *br)
4266 /* The local port always has type "internal". Other ports take
4267 * their type from the database and default to "system" if none is
4269 if (iface_is_internal(iface, br)) {
4272 type = iface->type[0] ? iface->type : "system";
4275 return ofproto_port_open_type(br->datapath_type, type);
4279 iface_destroy__(struct iface *iface)
4282 struct port *port = iface->port;
4283 struct bridge *br = port->bridge;
4285 if (br->ofproto && iface->ofp_port != OFPP_NONE) {
4286 ofproto_port_unregister(br->ofproto, iface->ofp_port);
4289 if (iface->ofp_port != OFPP_NONE) {
4290 hmap_remove(&br->ifaces, &iface->ofp_port_node);
4293 ovs_list_remove(&iface->port_elem);
4294 hmap_remove(&br->iface_by_name, &iface->name_node);
4296 /* The user is changing configuration here, so netdev_remove needs to be
4297 * used as opposed to netdev_close */
4298 netdev_remove(iface->netdev);
4306 iface_destroy(struct iface *iface)
4309 struct port *port = iface->port;
4311 iface_destroy__(iface);
4312 if (ovs_list_is_empty(&port->ifaces)) {
4318 static struct iface *
4319 iface_lookup(const struct bridge *br, const char *name)
4321 struct iface *iface;
4323 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
4324 &br->iface_by_name) {
4325 if (!strcmp(iface->name, name)) {
4333 static struct iface *
4334 iface_find(const char *name)
4336 const struct bridge *br;
4338 HMAP_FOR_EACH (br, node, &all_bridges) {
4339 struct iface *iface = iface_lookup(br, name);
4348 static struct iface *
4349 iface_from_ofp_port(const struct bridge *br, ofp_port_t ofp_port)
4351 struct iface *iface;
4353 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, hash_ofp_port(ofp_port),
4355 if (iface->ofp_port == ofp_port) {
4362 /* Set Ethernet address of 'iface', if one is specified in the configuration
4365 iface_set_mac(const struct bridge *br, const struct port *port, struct iface *iface)
4367 struct eth_addr ea, *mac = NULL;
4368 struct iface *hw_addr_iface;
4370 if (strcmp(iface->type, "internal")) {
4374 if (iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, &ea)) {
4376 } else if (port->cfg->fake_bridge) {
4377 /* Fake bridge and no MAC set in the configuration. Pick a local one. */
4378 find_local_hw_addr(br, &ea, port, &hw_addr_iface);
4383 if (iface->ofp_port == OFPP_LOCAL) {
4384 VLOG_ERR("interface %s: ignoring mac in Interface record "
4385 "(use Bridge record to set local port's mac)",
4387 } else if (eth_addr_is_multicast(*mac)) {
4388 VLOG_ERR("interface %s: cannot set MAC to multicast address",
4391 int error = netdev_set_etheraddr(iface->netdev, *mac);
4393 VLOG_ERR("interface %s: setting MAC failed (%s)",
4394 iface->name, ovs_strerror(error));
4400 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
4402 iface_set_ofport(const struct ovsrec_interface *if_cfg, ofp_port_t ofport)
4404 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
4405 int64_t port = ofport == OFPP_NONE ? -1 : ofp_to_u16(ofport);
4406 ovsrec_interface_set_ofport(if_cfg, &port, 1);
4410 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
4411 * sets the "ofport" field to -1.
4413 * This is appropriate when 'if_cfg''s interface cannot be created or is
4414 * otherwise invalid. */
4416 iface_clear_db_record(const struct ovsrec_interface *if_cfg, char *errp)
4418 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
4419 iface_set_ofport(if_cfg, OFPP_NONE);
4420 ovsrec_interface_set_error(if_cfg, errp);
4421 ovsrec_interface_set_status(if_cfg, NULL);
4422 ovsrec_interface_set_admin_state(if_cfg, NULL);
4423 ovsrec_interface_set_duplex(if_cfg, NULL);
4424 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
4425 ovsrec_interface_set_link_state(if_cfg, NULL);
4426 ovsrec_interface_set_mac_in_use(if_cfg, NULL);
4427 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
4428 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
4429 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
4430 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
4431 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
4432 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
4433 ovsrec_interface_set_ifindex(if_cfg, NULL, 0);
4438 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
4440 union ovsdb_atom atom;
4442 atom.integer = target;
4443 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
4447 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
4449 struct ofpbuf queues_buf;
4451 ofpbuf_init(&queues_buf, 0);
4453 if (!qos || qos->type[0] == '\0') {
4454 netdev_set_qos(iface->netdev, NULL, NULL);
4456 const struct ovsdb_datum *queues;
4457 struct netdev_queue_dump dump;
4458 unsigned int queue_id;
4459 struct smap details;
4463 /* Configure top-level Qos for 'iface'. */
4464 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
4466 /* Deconfigure queues that were deleted. */
4467 queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
4469 smap_init(&details);
4470 NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &dump, iface->netdev) {
4471 if (!queue_ids_include(queues, queue_id)) {
4472 netdev_delete_queue(iface->netdev, queue_id);
4475 smap_destroy(&details);
4477 /* Configure queues for 'iface'. */
4479 for (i = 0; i < qos->n_queues; i++) {
4480 const struct ovsrec_queue *queue = qos->value_queues[i];
4481 unsigned int queue_id = qos->key_queues[i];
4483 if (queue_id == 0) {
4487 if (queue->n_dscp == 1) {
4488 struct ofproto_port_queue *port_queue;
4490 port_queue = ofpbuf_put_uninit(&queues_buf,
4491 sizeof *port_queue);
4492 port_queue->queue = queue_id;
4493 port_queue->dscp = queue->dscp[0];
4496 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
4499 struct smap details;
4501 smap_init(&details);
4502 netdev_set_queue(iface->netdev, 0, &details);
4503 smap_destroy(&details);
4507 if (iface->ofp_port != OFPP_NONE) {
4508 const struct ofproto_port_queue *port_queues = queues_buf.data;
4509 size_t n_queues = queues_buf.size / sizeof *port_queues;
4511 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
4512 port_queues, n_queues);
4515 netdev_set_policing(iface->netdev,
4516 MIN(UINT32_MAX, iface->cfg->ingress_policing_rate),
4517 MIN(UINT32_MAX, iface->cfg->ingress_policing_burst));
4519 ofpbuf_uninit(&queues_buf);
4523 iface_configure_cfm(struct iface *iface)
4525 const struct ovsrec_interface *cfg = iface->cfg;
4526 const char *opstate_str;
4527 const char *cfm_ccm_vlan;
4528 struct cfm_settings s;
4529 struct smap netdev_args;
4531 if (!cfg->n_cfm_mpid) {
4532 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
4536 s.check_tnl_key = false;
4537 smap_init(&netdev_args);
4538 if (!netdev_get_config(iface->netdev, &netdev_args)) {
4539 const char *key = smap_get(&netdev_args, "key");
4540 const char *in_key = smap_get(&netdev_args, "in_key");
4542 s.check_tnl_key = (key && !strcmp(key, "flow"))
4543 || (in_key && !strcmp(in_key, "flow"));
4545 smap_destroy(&netdev_args);
4547 s.mpid = *cfg->cfm_mpid;
4548 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
4549 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
4550 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
4552 if (s.interval <= 0) {
4556 if (!cfm_ccm_vlan) {
4558 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
4559 s.ccm_vlan = CFM_RANDOM_VLAN;
4561 s.ccm_vlan = atoi(cfm_ccm_vlan);
4562 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
4567 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
4569 s.demand = smap_get_bool(&iface->cfg->other_config, "cfm_demand", false);
4571 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
4572 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
4574 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
4577 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
4578 * instead of obtaining it from the database. */
4580 iface_is_synthetic(const struct iface *iface)
4582 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
4586 iface_validate_ofport__(size_t n, int64_t *ofport)
4588 return (n && *ofport >= 1 && *ofport < ofp_to_u16(OFPP_MAX)
4589 ? u16_to_ofp(*ofport)
4594 iface_get_requested_ofp_port(const struct ovsrec_interface *cfg)
4596 return iface_validate_ofport__(cfg->n_ofport_request, cfg->ofport_request);
4600 iface_pick_ofport(const struct ovsrec_interface *cfg)
4602 ofp_port_t requested_ofport = iface_get_requested_ofp_port(cfg);
4603 return (requested_ofport != OFPP_NONE
4605 : iface_validate_ofport__(cfg->n_ofport, cfg->ofport));
4608 /* Port mirroring. */
4610 static struct mirror *
4611 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
4615 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
4616 if (uuid_equals(uuid, &m->uuid)) {
4624 bridge_configure_mirrors(struct bridge *br)
4626 const struct ovsdb_datum *mc;
4627 unsigned long *flood_vlans;
4628 struct mirror *m, *next;
4631 /* Get rid of deleted mirrors. */
4632 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
4633 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
4634 union ovsdb_atom atom;
4636 atom.uuid = m->uuid;
4637 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
4642 /* Add new mirrors and reconfigure existing ones. */
4643 for (i = 0; i < br->cfg->n_mirrors; i++) {
4644 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
4645 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
4647 m = mirror_create(br, cfg);
4650 if (!mirror_configure(m)) {
4655 /* Update flooded vlans (for RSPAN). */
4656 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
4657 br->cfg->n_flood_vlans);
4658 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
4659 bitmap_free(flood_vlans);
4662 static struct mirror *
4663 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
4667 m = xzalloc(sizeof *m);
4668 m->uuid = cfg->header_.uuid;
4669 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
4671 m->name = xstrdup(cfg->name);
4677 mirror_destroy(struct mirror *m)
4680 struct bridge *br = m->bridge;
4683 ofproto_mirror_unregister(br->ofproto, m);
4686 hmap_remove(&br->mirrors, &m->hmap_node);
4693 mirror_collect_ports(struct mirror *m,
4694 struct ovsrec_port **in_ports, int n_in_ports,
4695 void ***out_portsp, size_t *n_out_portsp)
4697 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
4698 size_t n_out_ports = 0;
4701 for (i = 0; i < n_in_ports; i++) {
4702 const char *name = in_ports[i]->name;
4703 struct port *port = port_lookup(m->bridge, name);
4705 out_ports[n_out_ports++] = port;
4707 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
4708 "port %s", m->bridge->name, m->name, name);
4711 *out_portsp = out_ports;
4712 *n_out_portsp = n_out_ports;
4716 mirror_configure(struct mirror *m)
4718 const struct ovsrec_mirror *cfg = m->cfg;
4719 struct ofproto_mirror_settings s;
4722 if (strcmp(cfg->name, m->name)) {
4724 m->name = xstrdup(cfg->name);
4728 /* Get output port or VLAN. */
4729 if (cfg->output_port) {
4730 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
4731 if (!s.out_bundle) {
4732 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
4733 m->bridge->name, m->name);
4736 s.out_vlan = UINT16_MAX;
4738 if (cfg->output_vlan) {
4739 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
4740 "output vlan; ignoring output vlan",
4741 m->bridge->name, m->name);
4743 } else if (cfg->output_vlan) {
4744 /* The database should prevent invalid VLAN values. */
4745 s.out_bundle = NULL;
4746 s.out_vlan = *cfg->output_vlan;
4748 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
4749 m->bridge->name, m->name);
4753 /* Get port selection. */
4754 if (cfg->select_all) {
4755 size_t n_ports = hmap_count(&m->bridge->ports);
4756 void **ports = xmalloc(n_ports * sizeof *ports);
4761 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
4771 /* Get ports, dropping ports that don't exist.
4772 * The IDL ensures that there are no duplicates. */
4773 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
4774 &s.srcs, &s.n_srcs);
4775 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
4776 &s.dsts, &s.n_dsts);
4779 /* Get VLAN selection. */
4780 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
4783 ofproto_mirror_register(m->bridge->ofproto, m, &s);
4786 if (s.srcs != s.dsts) {
4797 mirror_refresh_stats(struct mirror *m)
4799 struct ofproto *ofproto = m->bridge->ofproto;
4800 uint64_t tx_packets, tx_bytes;
4801 const char *keys[2];
4803 size_t stat_cnt = 0;
4805 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
4806 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
4810 if (tx_packets != UINT64_MAX) {
4811 keys[stat_cnt] = "tx_packets";
4812 values[stat_cnt] = tx_packets;
4815 if (tx_bytes != UINT64_MAX) {
4816 keys[stat_cnt] = "tx_bytes";
4817 values[stat_cnt] = tx_bytes;
4821 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);
4825 * Add registered netdev and dpif types to ovsdb to allow external
4826 * applications to query the capabilities of the Open vSwitch instance
4827 * running on the node.
4830 discover_types(const struct ovsrec_open_vswitch *cfg)
4834 /* Datapath types. */
4836 dp_enumerate_types(&types);
4837 const char **datapath_types = sset_array(&types);
4838 ovsrec_open_vswitch_set_datapath_types(cfg, datapath_types,
4839 sset_count(&types));
4840 free(datapath_types);
4841 sset_destroy(&types);
4845 netdev_enumerate_types(&types);
4846 const char **iface_types = sset_array(&types);
4847 ovsrec_open_vswitch_set_iface_types(cfg, iface_types, sset_count(&types));
4849 sset_destroy(&types);