1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
21 #include "async-append.h"
25 #include "connectivity.h"
29 #include "dynamic-string.h"
36 #include "mac-learning.h"
37 #include "mcast-snooping.h"
38 #include "meta-flow.h"
40 #include "ofp-print.h"
43 #include "ofproto/bond.h"
44 #include "ofproto/ofproto.h"
46 #include "poll-loop.h"
51 #include "socket-util.h"
53 #include "stream-ssl.h"
55 #include "system-stats.h"
60 #include "lib/vswitch-idl.h"
61 #include "xenserver.h"
63 #include "sflow_api.h"
64 #include "vlan-bitmap.h"
66 VLOG_DEFINE_THIS_MODULE(bridge);
68 COVERAGE_DEFINE(bridge_reconfigure);
71 /* These members are always valid.
73 * They are immutable: they never change between iface_create() and
75 struct list port_elem; /* Element in struct port's "ifaces" list. */
76 struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */
77 struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */
78 struct port *port; /* Containing port. */
79 char *name; /* Host network device name. */
80 struct netdev *netdev; /* Network device. */
81 ofp_port_t ofp_port; /* OpenFlow port number. */
84 /* These members are valid only within bridge_reconfigure(). */
85 const char *type; /* Usually same as cfg->type. */
86 const struct ovsrec_interface *cfg;
90 struct uuid uuid; /* UUID of this "mirror" record in database. */
91 struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */
92 struct bridge *bridge;
94 const struct ovsrec_mirror *cfg;
98 struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
99 struct bridge *bridge;
102 const struct ovsrec_port *cfg;
104 /* An ordinary bridge port has 1 interface.
105 * A bridge port for bonding has at least 2 interfaces. */
106 struct list ifaces; /* List of "struct iface"s. */
110 struct hmap_node node; /* In 'all_bridges'. */
111 char *name; /* User-specified arbitrary name. */
112 char *type; /* Datapath type. */
113 uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */
114 uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */
115 const struct ovsrec_bridge *cfg;
117 /* OpenFlow switch processing. */
118 struct ofproto *ofproto; /* OpenFlow switch. */
121 struct hmap ports; /* "struct port"s indexed by name. */
122 struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */
123 struct hmap iface_by_name; /* "struct iface"s indexed by name. */
125 /* Port mirroring. */
126 struct hmap mirrors; /* "struct mirror" indexed by UUID. */
128 /* Used during reconfiguration. */
129 struct shash wanted_ports;
131 /* Synthetic local port if necessary. */
132 struct ovsrec_port synth_local_port;
133 struct ovsrec_interface synth_local_iface;
134 struct ovsrec_interface *synth_local_ifacep;
137 /* All bridges, indexed by name. */
138 static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges);
140 /* OVSDB IDL used to obtain configuration. */
141 static struct ovsdb_idl *idl;
143 /* We want to complete daemonization, fully detaching from our parent process,
144 * only after we have completed our initial configuration, committed our state
145 * to the database, and received confirmation back from the database server
146 * that it applied the commit. This allows our parent process to know that,
147 * post-detach, ephemeral fields such as datapath-id and ofport are very likely
148 * to have already been filled in. (It is only "very likely" rather than
149 * certain because there is always a slim possibility that the transaction will
150 * fail or that some other client has added new bridges, ports, etc. while
151 * ovs-vswitchd was configuring using an old configuration.)
153 * We only need to do this once for our initial configuration at startup, so
154 * 'initial_config_done' tracks whether we've already done it. While we are
155 * waiting for a response to our commit, 'daemonize_txn' tracks the transaction
156 * itself and is otherwise NULL. */
157 static bool initial_config_done;
158 static struct ovsdb_idl_txn *daemonize_txn;
160 /* Most recently processed IDL sequence number. */
161 static unsigned int idl_seqno;
163 /* Track changes to port connectivity. */
164 static uint64_t connectivity_seqno = LLONG_MIN;
166 /* Status update to database.
168 * Some information in the database must be kept as up-to-date as possible to
169 * allow controllers to respond rapidly to network outages. Those status are
170 * updated via the 'status_txn'.
172 * We use the global connectivity sequence number to detect the status change.
173 * Also, to prevent the status update from sending too much to the database,
174 * we check the return status of each update transaction and do not start new
175 * update if the previous transaction status is 'TXN_INCOMPLETE'.
177 * 'statux_txn' is NULL if there is no ongoing status update.
179 * If the previous database transaction was failed (is not 'TXN_SUCCESS',
180 * 'TXN_UNCHANGED' or 'TXN_INCOMPLETE'), 'status_txn_try_again' is set to true,
181 * which will cause the main thread wake up soon and retry the status update.
183 static struct ovsdb_idl_txn *status_txn;
184 static bool status_txn_try_again;
186 /* When the status update transaction returns 'TXN_INCOMPLETE', should register a
187 * timeout in 'STATUS_CHECK_AGAIN_MSEC' to check again. */
188 #define STATUS_CHECK_AGAIN_MSEC 100
190 /* Each time this timer expires, the bridge fetches interface and mirror
191 * statistics and pushes them into the database. */
192 static int stats_timer_interval;
193 static long long int stats_timer = LLONG_MIN;
195 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
196 * expensive. This can cause bridge_reconfigure() to take a long time during
197 * which no other work can be done. To deal with this problem, we limit port
198 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
199 * call to bridge_reconfigure(). If there is more work to do after the limit
200 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
201 * This allows the rest of the code to catch up on important things like
202 * forwarding packets. */
203 #define OFP_PORT_ACTION_WINDOW 10
205 static void add_del_bridges(const struct ovsrec_open_vswitch *);
206 static void bridge_run__(void);
207 static void bridge_create(const struct ovsrec_bridge *);
208 static void bridge_destroy(struct bridge *);
209 static struct bridge *bridge_lookup(const char *name);
210 static unixctl_cb_func bridge_unixctl_dump_flows;
211 static unixctl_cb_func bridge_unixctl_reconnect;
212 static size_t bridge_get_controllers(const struct bridge *br,
213 struct ovsrec_controller ***controllersp);
214 static void bridge_collect_wanted_ports(struct bridge *,
215 const unsigned long *splinter_vlans,
216 struct shash *wanted_ports);
217 static void bridge_delete_ofprotos(void);
218 static void bridge_delete_or_reconfigure_ports(struct bridge *);
219 static void bridge_del_ports(struct bridge *,
220 const struct shash *wanted_ports);
221 static void bridge_add_ports(struct bridge *,
222 const struct shash *wanted_ports);
224 static void bridge_configure_datapath_id(struct bridge *);
225 static void bridge_configure_netflow(struct bridge *);
226 static void bridge_configure_forward_bpdu(struct bridge *);
227 static void bridge_configure_mac_table(struct bridge *);
228 static void bridge_configure_mcast_snooping(struct bridge *);
229 static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number);
230 static void bridge_configure_ipfix(struct bridge *);
231 static void bridge_configure_stp(struct bridge *);
232 static void bridge_configure_rstp(struct bridge *);
233 static void bridge_configure_tables(struct bridge *);
234 static void bridge_configure_dp_desc(struct bridge *);
235 static void bridge_configure_remotes(struct bridge *,
236 const struct sockaddr_in *managers,
238 static void bridge_pick_local_hw_addr(struct bridge *,
239 uint8_t ea[ETH_ADDR_LEN],
240 struct iface **hw_addr_iface);
241 static uint64_t bridge_pick_datapath_id(struct bridge *,
242 const uint8_t bridge_ea[ETH_ADDR_LEN],
243 struct iface *hw_addr_iface);
244 static uint64_t dpid_from_hash(const void *, size_t nbytes);
245 static bool bridge_has_bond_fake_iface(const struct bridge *,
247 static bool port_is_bond_fake_iface(const struct port *);
249 static unixctl_cb_func qos_unixctl_show;
251 static struct port *port_create(struct bridge *, const struct ovsrec_port *);
252 static void port_del_ifaces(struct port *);
253 static void port_destroy(struct port *);
254 static struct port *port_lookup(const struct bridge *, const char *name);
255 static void port_configure(struct port *);
256 static struct lacp_settings *port_configure_lacp(struct port *,
257 struct lacp_settings *);
258 static void port_configure_bond(struct port *, struct bond_settings *);
259 static bool port_is_synthetic(const struct port *);
261 static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
262 static void run_system_stats(void);
264 static void bridge_configure_mirrors(struct bridge *);
265 static struct mirror *mirror_create(struct bridge *,
266 const struct ovsrec_mirror *);
267 static void mirror_destroy(struct mirror *);
268 static bool mirror_configure(struct mirror *);
269 static void mirror_refresh_stats(struct mirror *);
271 static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
272 static bool iface_create(struct bridge *, const struct ovsrec_interface *,
273 const struct ovsrec_port *);
274 static bool iface_is_internal(const struct ovsrec_interface *iface,
275 const struct ovsrec_bridge *br);
276 static const char *iface_get_type(const struct ovsrec_interface *,
277 const struct ovsrec_bridge *);
278 static void iface_destroy(struct iface *);
279 static void iface_destroy__(struct iface *);
280 static struct iface *iface_lookup(const struct bridge *, const char *name);
281 static struct iface *iface_find(const char *name);
282 static struct iface *iface_from_ofp_port(const struct bridge *,
283 ofp_port_t ofp_port);
284 static void iface_set_mac(const struct bridge *, const struct port *, struct iface *);
285 static void iface_set_ofport(const struct ovsrec_interface *, ofp_port_t ofport);
286 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg, char *errp);
287 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
288 static void iface_configure_cfm(struct iface *);
289 static void iface_refresh_cfm_stats(struct iface *);
290 static void iface_refresh_stats(struct iface *);
291 static void iface_refresh_netdev_status(struct iface *);
292 static void iface_refresh_ofproto_status(struct iface *);
293 static bool iface_is_synthetic(const struct iface *);
294 static ofp_port_t iface_get_requested_ofp_port(
295 const struct ovsrec_interface *);
296 static ofp_port_t iface_pick_ofport(const struct ovsrec_interface *);
298 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
300 * This is deprecated. It is only for compatibility with broken device drivers
301 * in old versions of Linux that do not properly support VLANs when VLAN
302 * devices are not used. When broken device drivers are no longer in
303 * widespread use, we will delete these interfaces. */
305 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
306 static bool vlan_splinters_enabled_anywhere;
308 static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
309 static unsigned long int *collect_splinter_vlans(
310 const struct ovsrec_open_vswitch *);
311 static void configure_splinter_port(struct port *);
312 static void add_vlan_splinter_ports(struct bridge *,
313 const unsigned long int *splinter_vlans,
314 struct shash *ports);
317 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
319 struct shash iface_hints;
320 static bool initialized = false;
327 shash_init(&iface_hints);
330 for (i = 0; i < cfg->n_bridges; i++) {
331 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
334 for (j = 0; j < br_cfg->n_ports; j++) {
335 struct ovsrec_port *port_cfg = br_cfg->ports[j];
338 for (k = 0; k < port_cfg->n_interfaces; k++) {
339 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
340 struct iface_hint *iface_hint;
342 iface_hint = xmalloc(sizeof *iface_hint);
343 iface_hint->br_name = br_cfg->name;
344 iface_hint->br_type = br_cfg->datapath_type;
345 iface_hint->ofp_port = iface_pick_ofport(if_cfg);
347 shash_add(&iface_hints, if_cfg->name, iface_hint);
353 ofproto_init(&iface_hints);
355 shash_destroy_free_data(&iface_hints);
359 /* Public functions. */
361 /* Initializes the bridge module, configuring it to obtain its configuration
362 * from an OVSDB server accessed over 'remote', which should be a string in a
363 * form acceptable to ovsdb_idl_create(). */
365 bridge_init(const char *remote)
367 /* Create connection to database. */
368 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true, true);
369 idl_seqno = ovsdb_idl_get_seqno(idl);
370 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
371 ovsdb_idl_verify_write_only(idl);
373 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
374 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
375 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
376 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
377 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
378 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
379 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
381 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
382 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
383 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_rstp_status);
384 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_stp_enable);
385 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_rstp_enable);
386 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
388 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
389 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_rstp_status);
390 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_rstp_statistics);
391 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
392 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
394 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
395 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
396 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
397 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
398 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
399 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mac_in_use);
400 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ifindex);
401 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
402 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
403 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
404 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
405 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
406 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
407 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
408 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_flap_count);
409 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
410 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
411 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_bfd_status);
412 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
413 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_error);
414 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
416 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
417 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
418 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
419 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
421 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
423 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
425 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
426 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
428 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
429 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
430 ovsdb_idl_omit(idl, &ovsrec_ipfix_col_external_ids);
431 ovsdb_idl_omit(idl, &ovsrec_flow_sample_collector_set_col_external_ids);
433 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
434 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
435 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
436 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
437 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
439 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
441 /* Register unixctl commands. */
442 unixctl_command_register("qos/show", "interface", 1, 1,
443 qos_unixctl_show, NULL);
444 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
445 bridge_unixctl_dump_flows, NULL);
446 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
447 bridge_unixctl_reconnect, NULL);
459 struct bridge *br, *next_br;
461 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
464 ovsdb_idl_destroy(idl);
467 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
468 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
469 * responsible for freeing '*managersp' (with free()).
471 * You may be asking yourself "why does ovs-vswitchd care?", because
472 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
473 * should not be and in fact is not directly involved in that. But
474 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
475 * it has to tell in-band control where the managers are to enable that.
476 * (Thus, only managers connected in-band are collected.)
479 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
480 struct sockaddr_in **managersp, size_t *n_managersp)
482 struct sockaddr_in *managers = NULL;
483 size_t n_managers = 0;
487 /* Collect all of the potential targets from the "targets" columns of the
488 * rows pointed to by "manager_options", excluding any that are
491 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
492 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
494 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
495 sset_find_and_delete(&targets, m->target);
497 sset_add(&targets, m->target);
501 /* Now extract the targets' IP addresses. */
502 if (!sset_is_empty(&targets)) {
505 managers = xmalloc(sset_count(&targets) * sizeof *managers);
506 SSET_FOR_EACH (target, &targets) {
508 struct sockaddr_storage ss;
509 struct sockaddr_in in;
512 if (stream_parse_target_with_default_port(target, OVSDB_OLD_PORT,
514 && sa.ss.ss_family == AF_INET) {
515 managers[n_managers++] = sa.in;
519 sset_destroy(&targets);
521 *managersp = managers;
522 *n_managersp = n_managers;
526 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
528 unsigned long int *splinter_vlans;
529 struct sockaddr_in *managers;
530 struct bridge *br, *next;
531 int sflow_bridge_number;
534 COVERAGE_INC(bridge_reconfigure);
536 ofproto_set_flow_limit(smap_get_int(&ovs_cfg->other_config, "flow-limit",
537 OFPROTO_FLOW_LIMIT_DEFAULT));
538 ofproto_set_max_idle(smap_get_int(&ovs_cfg->other_config, "max-idle",
539 OFPROTO_MAX_IDLE_DEFAULT));
542 smap_get_int(&ovs_cfg->other_config, "n-handler-threads", 0),
543 smap_get_int(&ovs_cfg->other_config, "n-revalidator-threads", 0));
545 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
546 * to 'ovs_cfg', with only very minimal configuration otherwise.
548 * This is mostly an update to bridge data structures. Nothing is pushed
549 * down to ofproto or lower layers. */
550 add_del_bridges(ovs_cfg);
551 splinter_vlans = collect_splinter_vlans(ovs_cfg);
552 HMAP_FOR_EACH (br, node, &all_bridges) {
553 bridge_collect_wanted_ports(br, splinter_vlans, &br->wanted_ports);
554 bridge_del_ports(br, &br->wanted_ports);
556 free(splinter_vlans);
558 /* Start pushing configuration changes down to the ofproto layer:
560 * - Delete ofprotos that are no longer configured.
562 * - Delete ports that are no longer configured.
564 * - Reconfigure existing ports to their desired configurations, or
565 * delete them if not possible.
567 * We have to do all the deletions before we can do any additions, because
568 * the ports to be added might require resources that will be freed up by
569 * deletions (they might especially overlap in name). */
570 bridge_delete_ofprotos();
571 HMAP_FOR_EACH (br, node, &all_bridges) {
573 bridge_delete_or_reconfigure_ports(br);
577 /* Finish pushing configuration changes to the ofproto layer:
579 * - Create ofprotos that are missing.
581 * - Add ports that are missing. */
582 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
586 error = ofproto_create(br->name, br->type, &br->ofproto);
588 VLOG_ERR("failed to create bridge %s: %s", br->name,
589 ovs_strerror(error));
590 shash_destroy(&br->wanted_ports);
595 HMAP_FOR_EACH (br, node, &all_bridges) {
596 bridge_add_ports(br, &br->wanted_ports);
597 shash_destroy(&br->wanted_ports);
600 reconfigure_system_stats(ovs_cfg);
602 /* Complete the configuration. */
603 sflow_bridge_number = 0;
604 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
605 HMAP_FOR_EACH (br, node, &all_bridges) {
608 /* We need the datapath ID early to allow LACP ports to use it as the
609 * default system ID. */
610 bridge_configure_datapath_id(br);
612 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
615 port_configure(port);
617 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
618 iface_set_ofport(iface->cfg, iface->ofp_port);
619 /* Clear eventual previous errors */
620 ovsrec_interface_set_error(iface->cfg, NULL);
621 iface_configure_cfm(iface);
622 iface_configure_qos(iface, port->cfg->qos);
623 iface_set_mac(br, port, iface);
624 ofproto_port_set_bfd(br->ofproto, iface->ofp_port,
628 bridge_configure_mirrors(br);
629 bridge_configure_forward_bpdu(br);
630 bridge_configure_mac_table(br);
631 bridge_configure_mcast_snooping(br);
632 bridge_configure_remotes(br, managers, n_managers);
633 bridge_configure_netflow(br);
634 bridge_configure_sflow(br, &sflow_bridge_number);
635 bridge_configure_ipfix(br);
636 bridge_configure_stp(br);
637 bridge_configure_rstp(br);
638 bridge_configure_tables(br);
639 bridge_configure_dp_desc(br);
643 /* The ofproto-dpif provider does some final reconfiguration in its
644 * ->type_run() function. We have to call it before notifying the database
645 * client that reconfiguration is complete, otherwise there is a very
646 * narrow race window in which e.g. ofproto/trace will not recognize the
647 * new configuration (sometimes this causes unit test failures). */
651 /* Delete ofprotos which aren't configured or have the wrong type. Create
652 * ofprotos which don't exist but need to. */
654 bridge_delete_ofprotos(void)
661 /* Delete ofprotos with no bridge or with the wrong type. */
664 ofproto_enumerate_types(&types);
665 SSET_FOR_EACH (type, &types) {
668 ofproto_enumerate_names(type, &names);
669 SSET_FOR_EACH (name, &names) {
670 br = bridge_lookup(name);
671 if (!br || strcmp(type, br->type)) {
672 ofproto_delete(name, type);
676 sset_destroy(&names);
677 sset_destroy(&types);
681 add_ofp_port(ofp_port_t port, ofp_port_t *ports, size_t *n, size_t *allocated)
683 if (*n >= *allocated) {
684 ports = x2nrealloc(ports, allocated, sizeof *ports);
686 ports[(*n)++] = port;
691 bridge_delete_or_reconfigure_ports(struct bridge *br)
693 struct ofproto_port ofproto_port;
694 struct ofproto_port_dump dump;
696 struct sset ofproto_ports;
697 struct port *port, *port_next;
699 /* List of "ofp_port"s to delete. We make a list instead of deleting them
700 * right away because ofproto implementations aren't necessarily able to
701 * iterate through a changing list of ports in an entirely robust way. */
708 sset_init(&ofproto_ports);
710 /* Main task: Iterate over the ports in 'br->ofproto' and remove the ports
711 * that are not configured in the database. (This commonly happens when
712 * ports have been deleted, e.g. with "ovs-vsctl del-port".)
714 * Side tasks: Reconfigure the ports that are still in 'br'. Delete ports
715 * that have the wrong OpenFlow port number (and arrange to add them back
716 * with the correct OpenFlow port number). */
717 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
718 ofp_port_t requested_ofp_port;
721 sset_add(&ofproto_ports, ofproto_port.name);
723 iface = iface_lookup(br, ofproto_port.name);
725 /* No such iface is configured, so we should delete this
728 * As a corner case exception, keep the port if it's a bond fake
730 if (bridge_has_bond_fake_iface(br, ofproto_port.name)
731 && !strcmp(ofproto_port.type, "internal")) {
737 if (strcmp(ofproto_port.type, iface->type)
738 || netdev_set_config(iface->netdev, &iface->cfg->options, NULL)) {
739 /* The interface is the wrong type or can't be configured.
744 /* If the requested OpenFlow port for 'iface' changed, and it's not
745 * already the correct port, then we might want to temporarily delete
746 * this interface, so we can add it back again with the new OpenFlow
748 requested_ofp_port = iface_get_requested_ofp_port(iface->cfg);
749 if (iface->ofp_port != OFPP_LOCAL &&
750 requested_ofp_port != OFPP_NONE &&
751 requested_ofp_port != iface->ofp_port) {
752 ofp_port_t victim_request;
753 struct iface *victim;
755 /* Check for an existing OpenFlow port currently occupying
756 * 'iface''s requested port number. If there isn't one, then
757 * delete this port. Otherwise we need to consider further. */
758 victim = iface_from_ofp_port(br, requested_ofp_port);
763 /* 'victim' is a port currently using 'iface''s requested port
764 * number. Unless 'victim' specifically requested that port
765 * number, too, then we can delete both 'iface' and 'victim'
766 * temporarily. (We'll add both of them back again later with new
767 * OpenFlow port numbers.)
769 * If 'victim' did request port number 'requested_ofp_port', just
770 * like 'iface', then that's a configuration inconsistency that we
771 * can't resolve. We might as well let it keep its current port
773 victim_request = iface_get_requested_ofp_port(victim->cfg);
774 if (victim_request != requested_ofp_port) {
775 del = add_ofp_port(victim->ofp_port, del, &n, &allocated);
776 iface_destroy(victim);
785 iface_destroy(iface);
786 del = add_ofp_port(ofproto_port.ofp_port, del, &n, &allocated);
788 for (i = 0; i < n; i++) {
789 ofproto_port_del(br->ofproto, del[i]);
793 /* Iterate over this module's idea of interfaces in 'br'. Remove any ports
794 * that we didn't see when we iterated through the datapath, i.e. ports
795 * that disappeared underneath use. This is an unusual situation, but it
796 * can happen in some cases:
798 * - An admin runs a command like "ovs-dpctl del-port" (which is a bad
799 * idea but could happen).
801 * - The port represented a device that disappeared, e.g. a tuntap
802 * device destroyed via "tunctl -d", a physical Ethernet device
803 * whose module was just unloaded via "rmmod", or a virtual NIC for a
804 * VM whose VM was just terminated. */
805 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
806 struct iface *iface, *iface_next;
808 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
809 if (!sset_contains(&ofproto_ports, iface->name)) {
810 iface_destroy__(iface);
814 if (list_is_empty(&port->ifaces)) {
818 sset_destroy(&ofproto_ports);
822 bridge_add_ports__(struct bridge *br, const struct shash *wanted_ports,
823 bool with_requested_port)
825 struct shash_node *port_node;
827 SHASH_FOR_EACH (port_node, wanted_ports) {
828 const struct ovsrec_port *port_cfg = port_node->data;
831 for (i = 0; i < port_cfg->n_interfaces; i++) {
832 const struct ovsrec_interface *iface_cfg = port_cfg->interfaces[i];
833 ofp_port_t requested_ofp_port;
835 requested_ofp_port = iface_get_requested_ofp_port(iface_cfg);
836 if ((requested_ofp_port != OFPP_NONE) == with_requested_port) {
837 struct iface *iface = iface_lookup(br, iface_cfg->name);
840 iface_create(br, iface_cfg, port_cfg);
848 bridge_add_ports(struct bridge *br, const struct shash *wanted_ports)
850 /* First add interfaces that request a particular port number. */
851 bridge_add_ports__(br, wanted_ports, true);
853 /* Then add interfaces that want automatic port number assignment.
854 * We add these afterward to avoid accidentally taking a specifically
855 * requested port number. */
856 bridge_add_ports__(br, wanted_ports, false);
860 port_configure(struct port *port)
862 const struct ovsrec_port *cfg = port->cfg;
863 struct bond_settings bond_settings;
864 struct lacp_settings lacp_settings;
865 struct ofproto_bundle_settings s;
868 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
869 configure_splinter_port(port);
878 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
879 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
880 s.slaves[s.n_slaves++] = iface->ofp_port;
885 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
889 /* Get VLAN trunks. */
892 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
896 if (cfg->vlan_mode) {
897 if (!strcmp(cfg->vlan_mode, "access")) {
898 s.vlan_mode = PORT_VLAN_ACCESS;
899 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
900 s.vlan_mode = PORT_VLAN_TRUNK;
901 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
902 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
903 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
904 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
906 /* This "can't happen" because ovsdb-server should prevent it. */
907 VLOG_WARN("port %s: unknown VLAN mode %s, falling "
908 "back to trunk mode", port->name, cfg->vlan_mode);
909 s.vlan_mode = PORT_VLAN_TRUNK;
913 s.vlan_mode = PORT_VLAN_ACCESS;
915 VLOG_WARN("port %s: ignoring trunks in favor of implicit vlan",
919 s.vlan_mode = PORT_VLAN_TRUNK;
922 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
925 /* Get LACP settings. */
926 s.lacp = port_configure_lacp(port, &lacp_settings);
930 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
931 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
932 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
935 s.lacp_slaves = NULL;
938 /* Get bond settings. */
939 if (s.n_slaves > 1) {
940 s.bond = &bond_settings;
941 port_configure_bond(port, &bond_settings);
944 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
945 netdev_set_miimon_interval(iface->netdev, 0);
950 ofproto_bundle_register(port->bridge->ofproto, port, &s);
958 /* Pick local port hardware address and datapath ID for 'br'. */
960 bridge_configure_datapath_id(struct bridge *br)
962 uint8_t ea[ETH_ADDR_LEN];
964 struct iface *local_iface;
965 struct iface *hw_addr_iface;
968 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
969 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
971 int error = netdev_set_etheraddr(local_iface->netdev, ea);
973 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
974 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
975 "Ethernet address: %s",
976 br->name, ovs_strerror(error));
979 memcpy(br->ea, ea, ETH_ADDR_LEN);
981 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
982 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
983 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
984 ofproto_set_datapath_id(br->ofproto, dpid);
987 dpid_string = xasprintf("%016"PRIx64, dpid);
988 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
992 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
995 bridge_get_allowed_versions(struct bridge *br)
997 if (!br->cfg->n_protocols)
1000 return ofputil_versions_from_strings(br->cfg->protocols,
1001 br->cfg->n_protocols);
1004 /* Set NetFlow configuration on 'br'. */
1006 bridge_configure_netflow(struct bridge *br)
1008 struct ovsrec_netflow *cfg = br->cfg->netflow;
1009 struct netflow_options opts;
1012 ofproto_set_netflow(br->ofproto, NULL);
1016 memset(&opts, 0, sizeof opts);
1018 /* Get default NetFlow configuration from datapath.
1019 * Apply overrides from 'cfg'. */
1020 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
1021 if (cfg->engine_type) {
1022 opts.engine_type = *cfg->engine_type;
1024 if (cfg->engine_id) {
1025 opts.engine_id = *cfg->engine_id;
1028 /* Configure active timeout interval. */
1029 opts.active_timeout = cfg->active_timeout;
1030 if (!opts.active_timeout) {
1031 opts.active_timeout = -1;
1032 } else if (opts.active_timeout < 0) {
1033 VLOG_WARN("bridge %s: active timeout interval set to negative "
1034 "value, using default instead (%d seconds)", br->name,
1035 NF_ACTIVE_TIMEOUT_DEFAULT);
1036 opts.active_timeout = -1;
1039 /* Add engine ID to interface number to disambiguate bridgs? */
1040 opts.add_id_to_iface = cfg->add_id_to_interface;
1041 if (opts.add_id_to_iface) {
1042 if (opts.engine_id > 0x7f) {
1043 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
1044 "another vswitch, choose an engine id less than 128",
1047 if (hmap_count(&br->ports) > 508) {
1048 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
1049 "another port when more than 508 ports are used",
1055 sset_init(&opts.collectors);
1056 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
1059 if (ofproto_set_netflow(br->ofproto, &opts)) {
1060 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
1062 sset_destroy(&opts.collectors);
1065 /* Set sFlow configuration on 'br'. */
1067 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
1069 const struct ovsrec_sflow *cfg = br->cfg->sflow;
1070 struct ovsrec_controller **controllers;
1071 struct ofproto_sflow_options oso;
1072 size_t n_controllers;
1076 ofproto_set_sflow(br->ofproto, NULL);
1080 memset(&oso, 0, sizeof oso);
1082 sset_init(&oso.targets);
1083 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
1085 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
1086 if (cfg->sampling) {
1087 oso.sampling_rate = *cfg->sampling;
1090 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
1092 oso.polling_interval = *cfg->polling;
1095 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
1097 oso.header_len = *cfg->header;
1100 oso.sub_id = (*sflow_bridge_number)++;
1101 oso.agent_device = cfg->agent;
1103 oso.control_ip = NULL;
1104 n_controllers = bridge_get_controllers(br, &controllers);
1105 for (i = 0; i < n_controllers; i++) {
1106 if (controllers[i]->local_ip) {
1107 oso.control_ip = controllers[i]->local_ip;
1111 ofproto_set_sflow(br->ofproto, &oso);
1113 sset_destroy(&oso.targets);
1116 /* Returns whether a IPFIX row is valid. */
1118 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix *ipfix)
1120 return ipfix && ipfix->n_targets > 0;
1123 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
1125 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set *fscs,
1126 const struct bridge *br)
1128 return ovsrec_ipfix_is_valid(fscs->ipfix) && fscs->bridge == br->cfg;
1131 /* Set IPFIX configuration on 'br'. */
1133 bridge_configure_ipfix(struct bridge *br)
1135 const struct ovsrec_ipfix *be_cfg = br->cfg->ipfix;
1136 bool valid_be_cfg = ovsrec_ipfix_is_valid(be_cfg);
1137 const struct ovsrec_flow_sample_collector_set *fe_cfg;
1138 struct ofproto_ipfix_bridge_exporter_options be_opts;
1139 struct ofproto_ipfix_flow_exporter_options *fe_opts = NULL;
1140 size_t n_fe_opts = 0;
1142 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) {
1143 if (ovsrec_fscs_is_valid(fe_cfg, br)) {
1148 if (!valid_be_cfg && n_fe_opts == 0) {
1149 ofproto_set_ipfix(br->ofproto, NULL, NULL, 0);
1154 memset(&be_opts, 0, sizeof be_opts);
1156 sset_init(&be_opts.targets);
1157 sset_add_array(&be_opts.targets, be_cfg->targets, be_cfg->n_targets);
1159 if (be_cfg->sampling) {
1160 be_opts.sampling_rate = *be_cfg->sampling;
1162 be_opts.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
1164 if (be_cfg->obs_domain_id) {
1165 be_opts.obs_domain_id = *be_cfg->obs_domain_id;
1167 if (be_cfg->obs_point_id) {
1168 be_opts.obs_point_id = *be_cfg->obs_point_id;
1170 if (be_cfg->cache_active_timeout) {
1171 be_opts.cache_active_timeout = *be_cfg->cache_active_timeout;
1173 if (be_cfg->cache_max_flows) {
1174 be_opts.cache_max_flows = *be_cfg->cache_max_flows;
1177 be_opts.enable_tunnel_sampling = smap_get_bool(&be_cfg->other_config,
1178 "enable-tunnel-sampling", true);
1180 be_opts.enable_input_sampling = !smap_get_bool(&be_cfg->other_config,
1181 "enable-input-sampling", false);
1183 be_opts.enable_output_sampling = !smap_get_bool(&be_cfg->other_config,
1184 "enable-output-sampling", false);
1187 if (n_fe_opts > 0) {
1188 struct ofproto_ipfix_flow_exporter_options *opts;
1189 fe_opts = xcalloc(n_fe_opts, sizeof *fe_opts);
1191 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) {
1192 if (ovsrec_fscs_is_valid(fe_cfg, br)) {
1193 opts->collector_set_id = fe_cfg->id;
1194 sset_init(&opts->targets);
1195 sset_add_array(&opts->targets, fe_cfg->ipfix->targets,
1196 fe_cfg->ipfix->n_targets);
1197 opts->cache_active_timeout = fe_cfg->ipfix->cache_active_timeout
1198 ? *fe_cfg->ipfix->cache_active_timeout : 0;
1199 opts->cache_max_flows = fe_cfg->ipfix->cache_max_flows
1200 ? *fe_cfg->ipfix->cache_max_flows : 0;
1206 ofproto_set_ipfix(br->ofproto, valid_be_cfg ? &be_opts : NULL, fe_opts,
1210 sset_destroy(&be_opts.targets);
1213 if (n_fe_opts > 0) {
1214 struct ofproto_ipfix_flow_exporter_options *opts = fe_opts;
1216 for (i = 0; i < n_fe_opts; i++) {
1217 sset_destroy(&opts->targets);
1225 port_configure_stp(const struct ofproto *ofproto, struct port *port,
1226 struct ofproto_port_stp_settings *port_s,
1227 int *port_num_counter, unsigned long *port_num_bitmap)
1229 const char *config_str;
1230 struct iface *iface;
1232 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
1233 port_s->enable = false;
1236 port_s->enable = true;
1239 /* STP over bonds is not supported. */
1240 if (!list_is_singleton(&port->ifaces)) {
1241 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1243 port_s->enable = false;
1247 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1249 /* Internal ports shouldn't participate in spanning tree, so
1251 if (!strcmp(iface->type, "internal")) {
1252 VLOG_DBG("port %s: disable STP on internal ports", port->name);
1253 port_s->enable = false;
1257 /* STP on mirror output ports is not supported. */
1258 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
1259 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
1260 port_s->enable = false;
1264 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
1266 unsigned long int port_num = strtoul(config_str, NULL, 0);
1267 int port_idx = port_num - 1;
1269 if (port_num < 1 || port_num > STP_MAX_PORTS) {
1270 VLOG_ERR("port %s: invalid stp-port-num", port->name);
1271 port_s->enable = false;
1275 if (bitmap_is_set(port_num_bitmap, port_idx)) {
1276 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1277 port->name, port_num);
1278 port_s->enable = false;
1281 bitmap_set1(port_num_bitmap, port_idx);
1282 port_s->port_num = port_idx;
1284 if (*port_num_counter >= STP_MAX_PORTS) {
1285 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
1286 port_s->enable = false;
1290 port_s->port_num = (*port_num_counter)++;
1293 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
1295 port_s->path_cost = strtoul(config_str, NULL, 10);
1297 enum netdev_features current;
1300 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1301 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1302 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1305 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1307 port_s->priority = strtoul(config_str, NULL, 0);
1309 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1314 port_configure_rstp(const struct ofproto *ofproto, struct port *port,
1315 struct ofproto_port_rstp_settings *port_s, int *port_num_counter)
1317 const char *config_str;
1318 struct iface *iface;
1320 if (!smap_get_bool(&port->cfg->other_config, "rstp-enable", true)) {
1321 port_s->enable = false;
1324 port_s->enable = true;
1327 /* RSTP over bonds is not supported. */
1328 if (!list_is_singleton(&port->ifaces)) {
1329 VLOG_ERR("port %s: cannot enable RSTP on bonds, disabling",
1331 port_s->enable = false;
1335 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1337 /* Internal ports shouldn't participate in spanning tree, so
1339 if (!strcmp(iface->type, "internal")) {
1340 VLOG_DBG("port %s: disable RSTP on internal ports", port->name);
1341 port_s->enable = false;
1345 /* RSTP on mirror output ports is not supported. */
1346 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
1347 VLOG_DBG("port %s: disable RSTP on mirror ports", port->name);
1348 port_s->enable = false;
1352 config_str = smap_get(&port->cfg->other_config, "rstp-port-num");
1354 unsigned long int port_num = strtoul(config_str, NULL, 0);
1355 if (port_num < 1 || port_num > RSTP_MAX_PORTS) {
1356 VLOG_ERR("port %s: invalid rstp-port-num", port->name);
1357 port_s->enable = false;
1360 port_s->port_num = port_num;
1362 if (*port_num_counter >= RSTP_MAX_PORTS) {
1363 VLOG_ERR("port %s: too many RSTP ports, disabling", port->name);
1364 port_s->enable = false;
1367 /* If rstp-port-num is not specified, use 0.
1368 * rstp_port_set_port_number() will look for the first free one. */
1369 port_s->port_num = 0;
1372 config_str = smap_get(&port->cfg->other_config, "rstp-path-cost");
1374 port_s->path_cost = strtoul(config_str, NULL, 10);
1376 enum netdev_features current;
1379 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1380 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1381 port_s->path_cost = rstp_convert_speed_to_cost(mbps);
1384 config_str = smap_get(&port->cfg->other_config, "rstp-port-priority");
1386 port_s->priority = strtoul(config_str, NULL, 0);
1388 port_s->priority = RSTP_DEFAULT_PORT_PRIORITY;
1391 port_s->admin_edge_port = smap_get_bool(&port->cfg->other_config,
1392 "rstp-port-admin-edge", false);
1393 port_s->auto_edge = smap_get_bool(&port->cfg->other_config,
1394 "rstp-port-auto-edge", true);
1395 port_s->mcheck = smap_get_bool(&port->cfg->other_config,
1396 "rstp-port-mcheck", false);
1399 /* Set spanning tree configuration on 'br'. */
1401 bridge_configure_stp(struct bridge *br)
1403 struct ofproto_rstp_status rstp_status;
1405 ofproto_get_rstp_status(br->ofproto, &rstp_status);
1406 if (!br->cfg->stp_enable) {
1407 ofproto_set_stp(br->ofproto, NULL);
1408 } else if (rstp_status.enabled) {
1409 /* Do not activate STP if RSTP is enabled. */
1410 VLOG_ERR("STP cannot be enabled if RSTP is running.");
1411 ofproto_set_stp(br->ofproto, NULL);
1412 ovsrec_bridge_set_stp_enable(br->cfg, false);
1414 struct ofproto_stp_settings br_s;
1415 const char *config_str;
1417 int port_num_counter;
1418 unsigned long *port_num_bitmap;
1420 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1422 uint8_t ea[ETH_ADDR_LEN];
1424 if (eth_addr_from_string(config_str, ea)) {
1425 br_s.system_id = eth_addr_to_uint64(ea);
1427 br_s.system_id = eth_addr_to_uint64(br->ea);
1428 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1429 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1432 br_s.system_id = eth_addr_to_uint64(br->ea);
1435 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1437 br_s.priority = strtoul(config_str, NULL, 0);
1439 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1442 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1444 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1446 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1449 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1451 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1453 br_s.max_age = STP_DEFAULT_MAX_AGE;
1456 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1458 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1460 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1463 /* Configure STP on the bridge. */
1464 if (ofproto_set_stp(br->ofproto, &br_s)) {
1465 VLOG_ERR("bridge %s: could not enable STP", br->name);
1469 /* Users must either set the port number with the "stp-port-num"
1470 * configuration on all ports or none. If manual configuration
1471 * is not done, then we allocate them sequentially. */
1472 port_num_counter = 0;
1473 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1474 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1475 struct ofproto_port_stp_settings port_s;
1476 struct iface *iface;
1478 port_configure_stp(br->ofproto, port, &port_s,
1479 &port_num_counter, port_num_bitmap);
1481 /* As bonds are not supported, just apply configuration to
1482 * all interfaces. */
1483 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1484 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1486 VLOG_ERR("port %s: could not enable STP", port->name);
1492 if (bitmap_scan(port_num_bitmap, 1, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1493 && port_num_counter) {
1494 VLOG_ERR("bridge %s: must manually configure all STP port "
1495 "IDs or none, disabling", br->name);
1496 ofproto_set_stp(br->ofproto, NULL);
1498 bitmap_free(port_num_bitmap);
1503 bridge_configure_rstp(struct bridge *br)
1505 struct ofproto_stp_status stp_status;
1507 ofproto_get_stp_status(br->ofproto, &stp_status);
1508 if (!br->cfg->rstp_enable) {
1509 ofproto_set_rstp(br->ofproto, NULL);
1510 } else if (stp_status.enabled) {
1511 /* Do not activate RSTP if STP is enabled. */
1512 VLOG_ERR("RSTP cannot be enabled if STP is running.");
1513 ofproto_set_rstp(br->ofproto, NULL);
1514 ovsrec_bridge_set_rstp_enable(br->cfg, false);
1516 struct ofproto_rstp_settings br_s;
1517 const char *config_str;
1519 int port_num_counter;
1521 config_str = smap_get(&br->cfg->other_config, "rstp-address");
1523 uint8_t ea[ETH_ADDR_LEN];
1525 if (eth_addr_from_string(config_str, ea)) {
1526 br_s.address = eth_addr_to_uint64(ea);
1529 br_s.address = eth_addr_to_uint64(br->ea);
1530 VLOG_ERR("bridge %s: invalid rstp-address, defaulting "
1531 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1535 br_s.address = eth_addr_to_uint64(br->ea);
1538 config_str = smap_get(&br->cfg->other_config, "rstp-priority");
1540 br_s.priority = strtoul(config_str, NULL, 0);
1542 br_s.priority = RSTP_DEFAULT_PRIORITY;
1545 config_str = smap_get(&br->cfg->other_config, "rstp-ageing-time");
1547 br_s.ageing_time = strtoul(config_str, NULL, 0);
1549 br_s.ageing_time = RSTP_DEFAULT_AGEING_TIME;
1552 config_str = smap_get(&br->cfg->other_config,
1553 "rstp-force-protocol-version");
1555 br_s.force_protocol_version = strtoul(config_str, NULL, 0);
1557 br_s.force_protocol_version = FPV_DEFAULT;
1560 config_str = smap_get(&br->cfg->other_config, "rstp-max-age");
1562 br_s.bridge_max_age = strtoul(config_str, NULL, 10);
1564 br_s.bridge_max_age = RSTP_DEFAULT_BRIDGE_MAX_AGE;
1567 config_str = smap_get(&br->cfg->other_config, "rstp-forward-delay");
1569 br_s.bridge_forward_delay = strtoul(config_str, NULL, 10);
1571 br_s.bridge_forward_delay = RSTP_DEFAULT_BRIDGE_FORWARD_DELAY;
1574 config_str = smap_get(&br->cfg->other_config,
1575 "rstp-transmit-hold-count");
1577 br_s.transmit_hold_count = strtoul(config_str, NULL, 10);
1579 br_s.transmit_hold_count = RSTP_DEFAULT_TRANSMIT_HOLD_COUNT;
1582 /* Configure RSTP on the bridge. */
1583 if (ofproto_set_rstp(br->ofproto, &br_s)) {
1584 VLOG_ERR("bridge %s: could not enable RSTP", br->name);
1588 port_num_counter = 0;
1589 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1590 struct ofproto_port_rstp_settings port_s;
1591 struct iface *iface;
1593 port_configure_rstp(br->ofproto, port, &port_s,
1596 /* As bonds are not supported, just apply configuration to
1597 * all interfaces. */
1598 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1599 if (ofproto_port_set_rstp(br->ofproto, iface->ofp_port,
1601 VLOG_ERR("port %s: could not enable RSTP", port->name);
1610 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1612 const struct port *port = port_lookup(br, name);
1613 return port && port_is_bond_fake_iface(port);
1617 port_is_bond_fake_iface(const struct port *port)
1619 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1623 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1625 struct bridge *br, *next;
1626 struct shash new_br;
1629 /* Collect new bridges' names and types. */
1630 shash_init(&new_br);
1631 for (i = 0; i < cfg->n_bridges; i++) {
1632 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1633 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1635 if (strchr(br_cfg->name, '/')) {
1636 /* Prevent remote ovsdb-server users from accessing arbitrary
1637 * directories, e.g. consider a bridge named "../../../etc/". */
1638 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1640 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1641 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1645 /* Get rid of deleted bridges or those whose types have changed.
1646 * Update 'cfg' of bridges that still exist. */
1647 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1648 br->cfg = shash_find_data(&new_br, br->name);
1649 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1650 br->cfg->datapath_type))) {
1655 /* Add new bridges. */
1656 for (i = 0; i < cfg->n_bridges; i++) {
1657 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1658 struct bridge *br = bridge_lookup(br_cfg->name);
1660 bridge_create(br_cfg);
1664 shash_destroy(&new_br);
1667 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1668 * Returns 0 if successful, otherwise a positive errno value. */
1670 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1671 struct netdev *netdev, char **errp)
1673 return netdev_set_config(netdev, &iface_cfg->options, errp);
1676 /* Opens a network device for 'if_cfg' and configures it. Adds the network
1677 * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'.
1679 * If successful, returns 0 and stores the network device in '*netdevp'. On
1680 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1682 iface_do_create(const struct bridge *br,
1683 const struct ovsrec_interface *iface_cfg,
1684 const struct ovsrec_port *port_cfg,
1685 ofp_port_t *ofp_portp, struct netdev **netdevp,
1688 struct netdev *netdev = NULL;
1691 if (netdev_is_reserved_name(iface_cfg->name)) {
1692 VLOG_WARN("could not create interface %s, name is reserved",
1698 error = netdev_open(iface_cfg->name,
1699 iface_get_type(iface_cfg, br->cfg), &netdev);
1701 VLOG_WARN_BUF(errp, "could not open network device %s (%s)",
1702 iface_cfg->name, ovs_strerror(error));
1706 error = iface_set_netdev_config(iface_cfg, netdev, errp);
1711 *ofp_portp = iface_pick_ofport(iface_cfg);
1712 error = ofproto_port_add(br->ofproto, netdev, ofp_portp);
1717 VLOG_INFO("bridge %s: added interface %s on port %d",
1718 br->name, iface_cfg->name, *ofp_portp);
1720 if (port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter")) {
1721 netdev_turn_flags_on(netdev, NETDEV_UP, NULL);
1729 netdev_close(netdev);
1733 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1734 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1735 * automatically allocated for the iface. Takes ownership of and
1736 * deallocates 'if_cfg'.
1738 * Return true if an iface is successfully created, false otherwise. */
1740 iface_create(struct bridge *br, const struct ovsrec_interface *iface_cfg,
1741 const struct ovsrec_port *port_cfg)
1743 struct netdev *netdev;
1744 struct iface *iface;
1745 ofp_port_t ofp_port;
1750 /* Do the bits that can fail up front. */
1751 ovs_assert(!iface_lookup(br, iface_cfg->name));
1752 error = iface_do_create(br, iface_cfg, port_cfg, &ofp_port, &netdev, &errp);
1754 iface_clear_db_record(iface_cfg, errp);
1759 /* Get or create the port structure. */
1760 port = port_lookup(br, port_cfg->name);
1762 port = port_create(br, port_cfg);
1765 /* Create the iface structure. */
1766 iface = xzalloc(sizeof *iface);
1767 list_push_back(&port->ifaces, &iface->port_elem);
1768 hmap_insert(&br->iface_by_name, &iface->name_node,
1769 hash_string(iface_cfg->name, 0));
1771 iface->name = xstrdup(iface_cfg->name);
1772 iface->ofp_port = ofp_port;
1773 iface->netdev = netdev;
1774 iface->type = iface_get_type(iface_cfg, br->cfg);
1775 iface->cfg = iface_cfg;
1776 hmap_insert(&br->ifaces, &iface->ofp_port_node,
1777 hash_ofp_port(ofp_port));
1779 /* Populate initial status in database. */
1780 iface_refresh_stats(iface);
1781 iface_refresh_netdev_status(iface);
1783 /* Add bond fake iface if necessary. */
1784 if (port_is_bond_fake_iface(port)) {
1785 struct ofproto_port ofproto_port;
1787 if (ofproto_port_query_by_name(br->ofproto, port->name,
1789 struct netdev *netdev;
1792 error = netdev_open(port->name, "internal", &netdev);
1794 ofp_port_t fake_ofp_port = OFPP_NONE;
1795 ofproto_port_add(br->ofproto, netdev, &fake_ofp_port);
1796 netdev_close(netdev);
1798 VLOG_WARN("could not open network device %s (%s)",
1799 port->name, ovs_strerror(error));
1802 /* Already exists, nothing to do. */
1803 ofproto_port_destroy(&ofproto_port);
1810 /* Set forward BPDU option. */
1812 bridge_configure_forward_bpdu(struct bridge *br)
1814 ofproto_set_forward_bpdu(br->ofproto,
1815 smap_get_bool(&br->cfg->other_config,
1820 /* Set MAC learning table configuration for 'br'. */
1822 bridge_configure_mac_table(struct bridge *br)
1824 const char *idle_time_str;
1827 const char *mac_table_size_str;
1830 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1831 idle_time = (idle_time_str && atoi(idle_time_str)
1832 ? atoi(idle_time_str)
1833 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1835 mac_table_size_str = smap_get(&br->cfg->other_config, "mac-table-size");
1836 mac_table_size = (mac_table_size_str && atoi(mac_table_size_str)
1837 ? atoi(mac_table_size_str)
1840 ofproto_set_mac_table_config(br->ofproto, idle_time, mac_table_size);
1843 /* Set multicast snooping table configuration for 'br'. */
1845 bridge_configure_mcast_snooping(struct bridge *br)
1847 if (!br->cfg->mcast_snooping_enable) {
1848 ofproto_set_mcast_snooping(br->ofproto, NULL);
1851 struct ofproto_mcast_snooping_settings br_s;
1852 const char *idle_time_str;
1853 const char *max_entries_str;
1855 idle_time_str = smap_get(&br->cfg->other_config,
1856 "mcast-snooping-aging-time");
1857 br_s.idle_time = (idle_time_str && atoi(idle_time_str)
1858 ? atoi(idle_time_str)
1859 : MCAST_ENTRY_DEFAULT_IDLE_TIME);
1861 max_entries_str = smap_get(&br->cfg->other_config,
1862 "mcast-snooping-table-size");
1863 br_s.max_entries = (max_entries_str && atoi(max_entries_str)
1864 ? atoi(max_entries_str)
1865 : MCAST_DEFAULT_MAX_ENTRIES);
1867 br_s.flood_unreg = !smap_get_bool(&br->cfg->other_config,
1868 "mcast-snooping-disable-flood-unregistered",
1871 /* Configure multicast snooping on the bridge */
1872 if (ofproto_set_mcast_snooping(br->ofproto, &br_s)) {
1873 VLOG_ERR("bridge %s: could not enable multicast snooping",
1878 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1879 bool flood = smap_get_bool(&port->cfg->other_config,
1880 "mcast-snooping-flood", false);
1881 if (ofproto_port_set_mcast_snooping(br->ofproto, port, flood)) {
1882 VLOG_ERR("port %s: could not configure mcast snooping",
1890 find_local_hw_addr(const struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1891 const struct port *fake_br, struct iface **hw_addr_iface)
1893 struct hmapx mirror_output_ports;
1895 bool found_addr = false;
1899 /* Mirror output ports don't participate in picking the local hardware
1900 * address. ofproto can't help us find out whether a given port is a
1901 * mirror output because we haven't configured mirrors yet, so we need to
1902 * accumulate them ourselves. */
1903 hmapx_init(&mirror_output_ports);
1904 for (i = 0; i < br->cfg->n_mirrors; i++) {
1905 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1906 if (m->output_port) {
1907 hmapx_add(&mirror_output_ports, m->output_port);
1911 /* Otherwise choose the minimum non-local MAC address among all of the
1913 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1914 uint8_t iface_ea[ETH_ADDR_LEN];
1915 struct iface *candidate;
1916 struct iface *iface;
1918 /* Mirror output ports don't participate. */
1919 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1923 /* Choose the MAC address to represent the port. */
1925 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
1926 /* Find the interface with this Ethernet address (if any) so that
1927 * we can provide the correct devname to the caller. */
1928 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1929 uint8_t candidate_ea[ETH_ADDR_LEN];
1930 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
1931 && eth_addr_equals(iface_ea, candidate_ea)) {
1936 /* Choose the interface whose MAC address will represent the port.
1937 * The Linux kernel bonding code always chooses the MAC address of
1938 * the first slave added to a bond, and the Fedora networking
1939 * scripts always add slaves to a bond in alphabetical order, so
1940 * for compatibility we choose the interface with the name that is
1941 * first in alphabetical order. */
1942 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1943 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1948 /* The local port doesn't count (since we're trying to choose its
1949 * MAC address anyway). */
1950 if (iface->ofp_port == OFPP_LOCAL) {
1954 /* For fake bridges we only choose from ports with the same tag */
1955 if (fake_br && fake_br->cfg && fake_br->cfg->tag) {
1956 if (!port->cfg->tag) {
1959 if (*port->cfg->tag != *fake_br->cfg->tag) {
1965 error = netdev_get_etheraddr(iface->netdev, iface_ea);
1971 /* Compare against our current choice. */
1972 if (!eth_addr_is_multicast(iface_ea) &&
1973 !eth_addr_is_local(iface_ea) &&
1974 !eth_addr_is_reserved(iface_ea) &&
1975 !eth_addr_is_zero(iface_ea) &&
1976 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
1978 memcpy(ea, iface_ea, ETH_ADDR_LEN);
1979 *hw_addr_iface = iface;
1985 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1986 *hw_addr_iface = NULL;
1989 hmapx_destroy(&mirror_output_ports);
1993 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1994 struct iface **hw_addr_iface)
1997 *hw_addr_iface = NULL;
1999 /* Did the user request a particular MAC? */
2000 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
2001 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
2002 if (eth_addr_is_multicast(ea)) {
2003 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
2004 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
2005 } else if (eth_addr_is_zero(ea)) {
2006 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
2012 /* Find a local hw address */
2013 find_local_hw_addr(br, ea, NULL, hw_addr_iface);
2016 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
2017 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
2018 * an interface on 'br', then that interface must be passed in as
2019 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
2020 * 'hw_addr_iface' must be passed in as a null pointer. */
2022 bridge_pick_datapath_id(struct bridge *br,
2023 const uint8_t bridge_ea[ETH_ADDR_LEN],
2024 struct iface *hw_addr_iface)
2027 * The procedure for choosing a bridge MAC address will, in the most
2028 * ordinary case, also choose a unique MAC that we can use as a datapath
2029 * ID. In some special cases, though, multiple bridges will end up with
2030 * the same MAC address. This is OK for the bridges, but it will confuse
2031 * the OpenFlow controller, because each datapath needs a unique datapath
2034 * Datapath IDs must be unique. It is also very desirable that they be
2035 * stable from one run to the next, so that policy set on a datapath
2038 const char *datapath_id;
2041 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
2042 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
2046 if (!hw_addr_iface) {
2048 * A purely internal bridge, that is, one that has no non-virtual
2049 * network devices on it at all, is difficult because it has no
2050 * natural unique identifier at all.
2052 * When the host is a XenServer, we handle this case by hashing the
2053 * host's UUID with the name of the bridge. Names of bridges are
2054 * persistent across XenServer reboots, although they can be reused if
2055 * an internal network is destroyed and then a new one is later
2056 * created, so this is fairly effective.
2058 * When the host is not a XenServer, we punt by using a random MAC
2059 * address on each run.
2061 const char *host_uuid = xenserver_get_host_uuid();
2063 char *combined = xasprintf("%s,%s", host_uuid, br->name);
2064 dpid = dpid_from_hash(combined, strlen(combined));
2070 return eth_addr_to_uint64(bridge_ea);
2074 dpid_from_hash(const void *data, size_t n)
2076 uint8_t hash[SHA1_DIGEST_SIZE];
2078 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
2079 sha1_bytes(data, n, hash);
2080 eth_addr_mark_random(hash);
2081 return eth_addr_to_uint64(hash);
2085 iface_refresh_netdev_status(struct iface *iface)
2089 enum netdev_features current;
2090 enum netdev_flags flags;
2091 const char *link_state;
2092 uint8_t mac[ETH_ADDR_LEN];
2093 int64_t bps, mtu_64, ifindex64, link_resets;
2096 if (iface_is_synthetic(iface)) {
2100 if (iface->change_seq == netdev_get_change_seq(iface->netdev)
2101 && !status_txn_try_again) {
2105 iface->change_seq = netdev_get_change_seq(iface->netdev);
2109 if (!netdev_get_status(iface->netdev, &smap)) {
2110 ovsrec_interface_set_status(iface->cfg, &smap);
2112 ovsrec_interface_set_status(iface->cfg, NULL);
2115 smap_destroy(&smap);
2117 error = netdev_get_flags(iface->netdev, &flags);
2119 const char *state = flags & NETDEV_UP ? "up" : "down";
2121 ovsrec_interface_set_admin_state(iface->cfg, state);
2123 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2126 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2127 ovsrec_interface_set_link_state(iface->cfg, link_state);
2129 link_resets = netdev_get_carrier_resets(iface->netdev);
2130 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2132 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
2133 bps = !error ? netdev_features_to_bps(current, 0) : 0;
2135 ovsrec_interface_set_duplex(iface->cfg,
2136 netdev_features_is_full_duplex(current)
2138 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
2140 ovsrec_interface_set_duplex(iface->cfg, NULL);
2141 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
2144 error = netdev_get_mtu(iface->netdev, &mtu);
2147 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
2149 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
2152 error = netdev_get_etheraddr(iface->netdev, mac);
2154 char mac_string[32];
2156 sprintf(mac_string, ETH_ADDR_FMT, ETH_ADDR_ARGS(mac));
2157 ovsrec_interface_set_mac_in_use(iface->cfg, mac_string);
2159 ovsrec_interface_set_mac_in_use(iface->cfg, NULL);
2162 /* The netdev may return a negative number (such as -EOPNOTSUPP)
2163 * if there is no valid ifindex number. */
2164 ifindex64 = netdev_get_ifindex(iface->netdev);
2165 if (ifindex64 < 0) {
2168 ovsrec_interface_set_ifindex(iface->cfg, &ifindex64, 1);
2172 iface_refresh_ofproto_status(struct iface *iface)
2176 if (iface_is_synthetic(iface)) {
2180 current = ofproto_port_is_lacp_current(iface->port->bridge->ofproto,
2184 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2186 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2189 if (ofproto_port_cfm_status_changed(iface->port->bridge->ofproto,
2191 || status_txn_try_again) {
2192 iface_refresh_cfm_stats(iface);
2195 if (ofproto_port_bfd_status_changed(iface->port->bridge->ofproto,
2197 || status_txn_try_again) {
2201 ofproto_port_get_bfd_status(iface->port->bridge->ofproto,
2202 iface->ofp_port, &smap);
2203 ovsrec_interface_set_bfd_status(iface->cfg, &smap);
2204 smap_destroy(&smap);
2208 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
2211 iface_refresh_cfm_stats(struct iface *iface)
2213 const struct ovsrec_interface *cfg = iface->cfg;
2214 struct cfm_status status;
2217 error = ofproto_port_get_cfm_status(iface->port->bridge->ofproto,
2218 iface->ofp_port, &status);
2220 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
2221 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
2222 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
2223 ovsrec_interface_set_cfm_flap_count(cfg, NULL, 0);
2224 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
2225 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
2227 const char *reasons[CFM_FAULT_N_REASONS];
2228 int64_t cfm_health = status.health;
2229 int64_t cfm_flap_count = status.flap_count;
2230 bool faulted = status.faults != 0;
2233 ovsrec_interface_set_cfm_fault(cfg, &faulted, 1);
2236 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
2237 int reason = 1 << i;
2238 if (status.faults & reason) {
2239 reasons[j++] = cfm_fault_reason_to_str(reason);
2242 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
2244 ovsrec_interface_set_cfm_flap_count(cfg, &cfm_flap_count, 1);
2246 if (status.remote_opstate >= 0) {
2247 const char *remote_opstate = status.remote_opstate ? "up" : "down";
2248 ovsrec_interface_set_cfm_remote_opstate(cfg, remote_opstate);
2250 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
2253 ovsrec_interface_set_cfm_remote_mpids(cfg,
2254 (const int64_t *)status.rmps,
2256 if (cfm_health >= 0) {
2257 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
2259 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
2267 iface_refresh_stats(struct iface *iface)
2269 #define IFACE_STATS \
2270 IFACE_STAT(rx_packets, "rx_packets") \
2271 IFACE_STAT(tx_packets, "tx_packets") \
2272 IFACE_STAT(rx_bytes, "rx_bytes") \
2273 IFACE_STAT(tx_bytes, "tx_bytes") \
2274 IFACE_STAT(rx_dropped, "rx_dropped") \
2275 IFACE_STAT(tx_dropped, "tx_dropped") \
2276 IFACE_STAT(rx_errors, "rx_errors") \
2277 IFACE_STAT(tx_errors, "tx_errors") \
2278 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
2279 IFACE_STAT(rx_over_errors, "rx_over_err") \
2280 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
2281 IFACE_STAT(collisions, "collisions")
2283 #define IFACE_STAT(MEMBER, NAME) + 1
2284 enum { N_IFACE_STATS = IFACE_STATS };
2286 int64_t values[N_IFACE_STATS];
2287 char *keys[N_IFACE_STATS];
2290 struct netdev_stats stats;
2292 if (iface_is_synthetic(iface)) {
2296 /* Intentionally ignore return value, since errors will set 'stats' to
2297 * all-1s, and we will deal with that correctly below. */
2298 netdev_get_stats(iface->netdev, &stats);
2300 /* Copy statistics into keys[] and values[]. */
2302 #define IFACE_STAT(MEMBER, NAME) \
2303 if (stats.MEMBER != UINT64_MAX) { \
2305 values[n] = stats.MEMBER; \
2310 ovs_assert(n <= N_IFACE_STATS);
2312 ovsrec_interface_set_statistics(iface->cfg, keys, values, n);
2317 br_refresh_stp_status(struct bridge *br)
2319 struct smap smap = SMAP_INITIALIZER(&smap);
2320 struct ofproto *ofproto = br->ofproto;
2321 struct ofproto_stp_status status;
2323 if (ofproto_get_stp_status(ofproto, &status)) {
2327 if (!status.enabled) {
2328 ovsrec_bridge_set_status(br->cfg, NULL);
2332 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
2333 STP_ID_ARGS(status.bridge_id));
2334 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
2335 STP_ID_ARGS(status.designated_root));
2336 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
2338 ovsrec_bridge_set_status(br->cfg, &smap);
2339 smap_destroy(&smap);
2343 port_refresh_stp_status(struct port *port)
2345 struct ofproto *ofproto = port->bridge->ofproto;
2346 struct iface *iface;
2347 struct ofproto_port_stp_status status;
2350 if (port_is_synthetic(port)) {
2354 /* STP doesn't currently support bonds. */
2355 if (!list_is_singleton(&port->ifaces)) {
2356 ovsrec_port_set_status(port->cfg, NULL);
2360 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
2361 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
2365 if (!status.enabled) {
2366 ovsrec_port_set_status(port->cfg, NULL);
2370 /* Set Status column. */
2372 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
2373 smap_add(&smap, "stp_state", stp_state_name(status.state));
2374 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
2375 smap_add(&smap, "stp_role", stp_role_name(status.role));
2376 ovsrec_port_set_status(port->cfg, &smap);
2377 smap_destroy(&smap);
2381 port_refresh_stp_stats(struct port *port)
2383 struct ofproto *ofproto = port->bridge->ofproto;
2384 struct iface *iface;
2385 struct ofproto_port_stp_stats stats;
2387 int64_t int_values[3];
2389 if (port_is_synthetic(port)) {
2393 /* STP doesn't currently support bonds. */
2394 if (!list_is_singleton(&port->ifaces)) {
2398 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
2399 if (ofproto_port_get_stp_stats(ofproto, iface->ofp_port, &stats)) {
2403 if (!stats.enabled) {
2404 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
2408 /* Set Statistics column. */
2409 keys[0] = "stp_tx_count";
2410 int_values[0] = stats.tx_count;
2411 keys[1] = "stp_rx_count";
2412 int_values[1] = stats.rx_count;
2413 keys[2] = "stp_error_count";
2414 int_values[2] = stats.error_count;
2416 ovsrec_port_set_statistics(port->cfg, keys, int_values,
2417 ARRAY_SIZE(int_values));
2421 br_refresh_rstp_status(struct bridge *br)
2423 struct smap smap = SMAP_INITIALIZER(&smap);
2424 struct ofproto *ofproto = br->ofproto;
2425 struct ofproto_rstp_status status;
2427 if (ofproto_get_rstp_status(ofproto, &status)) {
2430 if (!status.enabled) {
2431 ovsrec_bridge_set_rstp_status(br->cfg, NULL);
2434 smap_add_format(&smap, "rstp_bridge_id", RSTP_ID_FMT,
2435 RSTP_ID_ARGS(status.bridge_id));
2436 smap_add_format(&smap, "rstp_root_path_cost", "%d",
2437 status.root_path_cost);
2438 smap_add_format(&smap, "rstp_root_id", RSTP_ID_FMT,
2439 RSTP_ID_ARGS(status.root_id));
2440 smap_add_format(&smap, "rstp_designated_id", RSTP_ID_FMT,
2441 RSTP_ID_ARGS(status.designated_id));
2442 smap_add_format(&smap, "rstp_designated_port_id", RSTP_PORT_ID_FMT,
2443 status.designated_port_id);
2444 smap_add_format(&smap, "rstp_bridge_port_id", RSTP_PORT_ID_FMT,
2445 status.bridge_port_id);
2446 ovsrec_bridge_set_rstp_status(br->cfg, &smap);
2447 smap_destroy(&smap);
2451 port_refresh_rstp_status(struct port *port)
2453 struct ofproto *ofproto = port->bridge->ofproto;
2454 struct iface *iface;
2455 struct ofproto_port_rstp_status status;
2457 int64_t int_values[3];
2460 if (port_is_synthetic(port)) {
2464 /* RSTP doesn't currently support bonds. */
2465 if (!list_is_singleton(&port->ifaces)) {
2466 ovsrec_port_set_rstp_status(port->cfg, NULL);
2470 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
2471 if (ofproto_port_get_rstp_status(ofproto, iface->ofp_port, &status)) {
2475 if (!status.enabled) {
2476 ovsrec_port_set_rstp_status(port->cfg, NULL);
2477 ovsrec_port_set_rstp_statistics(port->cfg, NULL, NULL, 0);
2480 /* Set Status column. */
2483 smap_add_format(&smap, "rstp_port_id", RSTP_PORT_ID_FMT,
2485 smap_add_format(&smap, "rstp_port_role", "%s",
2486 rstp_port_role_name(status.role));
2487 smap_add_format(&smap, "rstp_port_state", "%s",
2488 rstp_state_name(status.state));
2490 ovsrec_port_set_rstp_status(port->cfg, &smap);
2491 smap_destroy(&smap);
2493 /* Set Statistics column. */
2494 keys[0] = "rstp_tx_count";
2495 int_values[0] = status.tx_count;
2496 keys[1] = "rstp_rx_count";
2497 int_values[1] = status.rx_count;
2498 keys[2] = "rstp_uptime";
2499 int_values[2] = status.uptime;
2500 ovsrec_port_set_rstp_statistics(port->cfg, keys, int_values,
2501 ARRAY_SIZE(int_values));
2505 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
2507 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
2511 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
2513 bool enable = enable_system_stats(cfg);
2515 system_stats_enable(enable);
2517 ovsrec_open_vswitch_set_statistics(cfg, NULL);
2522 run_system_stats(void)
2524 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
2527 stats = system_stats_run();
2529 struct ovsdb_idl_txn *txn;
2530 struct ovsdb_datum datum;
2532 txn = ovsdb_idl_txn_create(idl);
2533 ovsdb_datum_from_smap(&datum, stats);
2534 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
2536 ovsdb_idl_txn_commit(txn);
2537 ovsdb_idl_txn_destroy(txn);
2544 ofp12_controller_role_to_str(enum ofp12_controller_role role)
2547 case OFPCR12_ROLE_EQUAL:
2549 case OFPCR12_ROLE_MASTER:
2551 case OFPCR12_ROLE_SLAVE:
2553 case OFPCR12_ROLE_NOCHANGE:
2555 return "*** INVALID ROLE ***";
2560 refresh_controller_status(void)
2564 const struct ovsrec_controller *cfg;
2568 /* Accumulate status for controllers on all bridges. */
2569 HMAP_FOR_EACH (br, node, &all_bridges) {
2570 ofproto_get_ofproto_controller_info(br->ofproto, &info);
2573 /* Update each controller in the database with current status. */
2574 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
2575 struct ofproto_controller_info *cinfo =
2576 shash_find_data(&info, cfg->target);
2579 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
2580 ovsrec_controller_set_role(cfg, ofp12_controller_role_to_str(
2582 ovsrec_controller_set_status(cfg, &cinfo->pairs);
2584 ovsrec_controller_set_is_connected(cfg, false);
2585 ovsrec_controller_set_role(cfg, NULL);
2586 ovsrec_controller_set_status(cfg, NULL);
2590 ofproto_free_ofproto_controller_info(&info);
2600 /* Let each datapath type do the work that it needs to do. */
2602 ofproto_enumerate_types(&types);
2603 SSET_FOR_EACH (type, &types) {
2604 ofproto_type_run(type);
2606 sset_destroy(&types);
2608 /* Let each bridge do the work that it needs to do. */
2609 HMAP_FOR_EACH (br, node, &all_bridges) {
2610 ofproto_run(br->ofproto);
2617 static struct ovsrec_open_vswitch null_cfg;
2618 const struct ovsrec_open_vswitch *cfg;
2620 bool vlan_splinters_changed;
2624 ovsrec_open_vswitch_init(&null_cfg);
2628 if (ovsdb_idl_is_lock_contended(idl)) {
2629 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2630 struct bridge *br, *next_br;
2632 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2633 "disabling this process (pid %ld) until it goes away",
2634 (long int) getpid());
2636 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2639 /* Since we will not be running system_stats_run() in this process
2640 * with the current situation of multiple ovs-vswitchd daemons,
2641 * disable system stats collection. */
2642 system_stats_enable(false);
2644 } else if (!ovsdb_idl_has_lock(idl)) {
2647 cfg = ovsrec_open_vswitch_first(idl);
2649 /* Initialize the ofproto library. This only needs to run once, but
2650 * it must be done after the configuration is set. If the
2651 * initialization has already occurred, bridge_init_ofproto()
2652 * returns immediately. */
2653 bridge_init_ofproto(cfg);
2655 /* Once the value of flow-restore-wait is false, we no longer should
2656 * check its value from the database. */
2657 if (cfg && ofproto_get_flow_restore_wait()) {
2658 ofproto_set_flow_restore_wait(smap_get_bool(&cfg->other_config,
2659 "flow-restore-wait", false));
2664 /* Re-configure SSL. We do this on every trip through the main loop,
2665 * instead of just when the database changes, because the contents of the
2666 * key and certificate files can change without the database changing.
2668 * We do this before bridge_reconfigure() because that function might
2669 * initiate SSL connections and thus requires SSL to be configured. */
2670 if (cfg && cfg->ssl) {
2671 const struct ovsrec_ssl *ssl = cfg->ssl;
2673 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2674 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2677 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2678 * usage has changed. */
2679 vlan_splinters_changed = false;
2680 if (vlan_splinters_enabled_anywhere) {
2681 HMAP_FOR_EACH (br, node, &all_bridges) {
2682 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2683 vlan_splinters_changed = true;
2689 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2690 struct ovsdb_idl_txn *txn;
2692 idl_seqno = ovsdb_idl_get_seqno(idl);
2693 txn = ovsdb_idl_txn_create(idl);
2694 bridge_reconfigure(cfg ? cfg : &null_cfg);
2697 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2700 /* If we are completing our initial configuration for this run
2701 * of ovs-vswitchd, then keep the transaction around to monitor
2702 * it for completion. */
2703 if (initial_config_done) {
2704 /* Always sets the 'status_txn_try_again' to check again,
2705 * in case that this transaction fails. */
2706 status_txn_try_again = true;
2707 ovsdb_idl_txn_commit(txn);
2708 ovsdb_idl_txn_destroy(txn);
2710 initial_config_done = true;
2711 daemonize_txn = txn;
2715 if (daemonize_txn) {
2716 enum ovsdb_idl_txn_status status = ovsdb_idl_txn_commit(daemonize_txn);
2717 if (status != TXN_INCOMPLETE) {
2718 ovsdb_idl_txn_destroy(daemonize_txn);
2719 daemonize_txn = NULL;
2721 /* ovs-vswitchd has completed initialization, so allow the
2722 * process that forked us to exit successfully. */
2723 daemonize_complete();
2725 vlog_enable_async();
2727 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name, VERSION);
2731 /* Statistics update interval should always be greater than or equal to
2734 stats_interval = MAX(smap_get_int(&cfg->other_config,
2735 "stats-update-interval",
2738 stats_interval = 5000;
2740 if (stats_timer_interval != stats_interval) {
2741 stats_timer_interval = stats_interval;
2742 stats_timer = LLONG_MIN;
2745 /* Refresh interface and mirror stats if necessary. */
2746 if (time_msec() >= stats_timer) {
2748 struct ovsdb_idl_txn *txn;
2750 txn = ovsdb_idl_txn_create(idl);
2751 HMAP_FOR_EACH (br, node, &all_bridges) {
2755 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2756 struct iface *iface;
2758 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2759 iface_refresh_stats(iface);
2762 port_refresh_stp_stats(port);
2765 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2766 mirror_refresh_stats(m);
2770 refresh_controller_status();
2771 ovsdb_idl_txn_commit(txn);
2772 ovsdb_idl_txn_destroy(txn); /* XXX */
2775 stats_timer = time_msec() + stats_timer_interval;
2781 /* Check the need to update status. */
2782 seq = seq_read(connectivity_seq_get());
2783 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 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2792 struct iface *iface;
2794 port_refresh_stp_status(port);
2795 port_refresh_rstp_status(port);
2796 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2797 iface_refresh_netdev_status(iface);
2798 iface_refresh_ofproto_status(iface);
2806 enum ovsdb_idl_txn_status status;
2808 status = ovsdb_idl_txn_commit(status_txn);
2809 /* Do not destroy "status_txn" if the transaction is
2810 * "TXN_INCOMPLETE". */
2811 if (status != TXN_INCOMPLETE) {
2812 ovsdb_idl_txn_destroy(status_txn);
2815 /* Sets the 'status_txn_try_again' if the transaction fails. */
2816 if (status == TXN_SUCCESS || status == TXN_UNCHANGED) {
2817 status_txn_try_again = false;
2819 status_txn_try_again = true;
2833 ovsdb_idl_wait(idl);
2834 if (daemonize_txn) {
2835 ovsdb_idl_txn_wait(daemonize_txn);
2839 ofproto_enumerate_types(&types);
2840 SSET_FOR_EACH (type, &types) {
2841 ofproto_type_wait(type);
2843 sset_destroy(&types);
2845 if (!hmap_is_empty(&all_bridges)) {
2848 HMAP_FOR_EACH (br, node, &all_bridges) {
2849 ofproto_wait(br->ofproto);
2852 poll_timer_wait_until(stats_timer);
2855 /* If the 'status_txn' is non-null (transaction incomplete), waits for the
2856 * transaction to complete. If the status update to database needs to be
2857 * run again (transaction fails), registers a timeout in
2858 * 'STATUS_CHECK_AGAIN_MSEC'. Otherwise, waits on the global connectivity
2859 * sequence number. */
2861 ovsdb_idl_txn_wait(status_txn);
2862 } else if (status_txn_try_again) {
2863 poll_timer_wait_until(time_msec() + STATUS_CHECK_AGAIN_MSEC);
2865 seq_wait(connectivity_seq_get(), connectivity_seqno);
2868 system_stats_wait();
2871 /* Adds some memory usage statistics for bridges into 'usage', for use with
2872 * memory_report(). */
2874 bridge_get_memory_usage(struct simap *usage)
2881 ofproto_enumerate_types(&types);
2882 SSET_FOR_EACH (type, &types) {
2883 ofproto_type_get_memory_usage(type, usage);
2885 sset_destroy(&types);
2887 HMAP_FOR_EACH (br, node, &all_bridges) {
2888 ofproto_get_memory_usage(br->ofproto, usage);
2892 /* QoS unixctl user interface functions. */
2894 struct qos_unixctl_show_cbdata {
2896 struct iface *iface;
2900 qos_unixctl_show_queue(unsigned int queue_id,
2901 const struct smap *details,
2902 struct iface *iface,
2905 struct netdev_queue_stats stats;
2906 struct smap_node *node;
2909 ds_put_cstr(ds, "\n");
2911 ds_put_format(ds, "Queue %u:\n", queue_id);
2913 ds_put_cstr(ds, "Default:\n");
2916 SMAP_FOR_EACH (node, details) {
2917 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2920 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2922 if (stats.tx_packets != UINT64_MAX) {
2923 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2926 if (stats.tx_bytes != UINT64_MAX) {
2927 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2930 if (stats.tx_errors != UINT64_MAX) {
2931 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2934 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2935 queue_id, ovs_strerror(error));
2940 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2941 const char *argv[], void *aux OVS_UNUSED)
2943 struct ds ds = DS_EMPTY_INITIALIZER;
2944 struct smap smap = SMAP_INITIALIZER(&smap);
2945 struct iface *iface;
2947 struct smap_node *node;
2949 iface = iface_find(argv[1]);
2951 unixctl_command_reply_error(conn, "no such interface");
2955 netdev_get_qos(iface->netdev, &type, &smap);
2957 if (*type != '\0') {
2958 struct netdev_queue_dump dump;
2959 struct smap details;
2960 unsigned int queue_id;
2962 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2964 SMAP_FOR_EACH (node, &smap) {
2965 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2968 smap_init(&details);
2969 NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &dump, iface->netdev) {
2970 qos_unixctl_show_queue(queue_id, &details, iface, &ds);
2972 smap_destroy(&details);
2974 unixctl_command_reply(conn, ds_cstr(&ds));
2976 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2977 unixctl_command_reply_error(conn, ds_cstr(&ds));
2980 smap_destroy(&smap);
2984 /* Bridge reconfiguration functions. */
2986 bridge_create(const struct ovsrec_bridge *br_cfg)
2990 ovs_assert(!bridge_lookup(br_cfg->name));
2991 br = xzalloc(sizeof *br);
2993 br->name = xstrdup(br_cfg->name);
2994 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2997 /* Derive the default Ethernet address from the bridge's UUID. This should
2998 * be unique and it will be stable between ovs-vswitchd runs. */
2999 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
3000 eth_addr_mark_random(br->default_ea);
3002 hmap_init(&br->ports);
3003 hmap_init(&br->ifaces);
3004 hmap_init(&br->iface_by_name);
3005 hmap_init(&br->mirrors);
3007 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
3011 bridge_destroy(struct bridge *br)
3014 struct mirror *mirror, *next_mirror;
3015 struct port *port, *next_port;
3017 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
3020 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
3021 mirror_destroy(mirror);
3024 hmap_remove(&all_bridges, &br->node);
3025 ofproto_destroy(br->ofproto);
3026 hmap_destroy(&br->ifaces);
3027 hmap_destroy(&br->ports);
3028 hmap_destroy(&br->iface_by_name);
3029 hmap_destroy(&br->mirrors);
3036 static struct bridge *
3037 bridge_lookup(const char *name)
3041 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
3042 if (!strcmp(br->name, name)) {
3049 /* Handle requests for a listing of all flows known by the OpenFlow
3050 * stack, including those normally hidden. */
3052 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
3053 const char *argv[], void *aux OVS_UNUSED)
3058 br = bridge_lookup(argv[1]);
3060 unixctl_command_reply_error(conn, "Unknown bridge");
3065 ofproto_get_all_flows(br->ofproto, &results);
3067 unixctl_command_reply(conn, ds_cstr(&results));
3068 ds_destroy(&results);
3071 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
3072 * connections and reconnect. If BRIDGE is not specified, then all bridges
3073 * drop their controller connections and reconnect. */
3075 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
3076 const char *argv[], void *aux OVS_UNUSED)
3080 br = bridge_lookup(argv[1]);
3082 unixctl_command_reply_error(conn, "Unknown bridge");
3085 ofproto_reconnect_controllers(br->ofproto);
3087 HMAP_FOR_EACH (br, node, &all_bridges) {
3088 ofproto_reconnect_controllers(br->ofproto);
3091 unixctl_command_reply(conn, NULL);
3095 bridge_get_controllers(const struct bridge *br,
3096 struct ovsrec_controller ***controllersp)
3098 struct ovsrec_controller **controllers;
3099 size_t n_controllers;
3101 controllers = br->cfg->controller;
3102 n_controllers = br->cfg->n_controller;
3104 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
3110 *controllersp = controllers;
3112 return n_controllers;
3116 bridge_collect_wanted_ports(struct bridge *br,
3117 const unsigned long int *splinter_vlans,
3118 struct shash *wanted_ports)
3122 shash_init(wanted_ports);
3124 for (i = 0; i < br->cfg->n_ports; i++) {
3125 const char *name = br->cfg->ports[i]->name;
3126 if (!shash_add_once(wanted_ports, name, br->cfg->ports[i])) {
3127 VLOG_WARN("bridge %s: %s specified twice as bridge port",
3131 if (bridge_get_controllers(br, NULL)
3132 && !shash_find(wanted_ports, br->name)) {
3133 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
3134 br->name, br->name);
3136 ovsrec_interface_init(&br->synth_local_iface);
3137 ovsrec_port_init(&br->synth_local_port);
3139 br->synth_local_port.interfaces = &br->synth_local_ifacep;
3140 br->synth_local_port.n_interfaces = 1;
3141 br->synth_local_port.name = br->name;
3143 br->synth_local_iface.name = br->name;
3144 br->synth_local_iface.type = "internal";
3146 br->synth_local_ifacep = &br->synth_local_iface;
3148 shash_add(wanted_ports, br->name, &br->synth_local_port);
3151 if (splinter_vlans) {
3152 add_vlan_splinter_ports(br, splinter_vlans, wanted_ports);
3156 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
3157 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
3158 * 'br' needs to complete its configuration. */
3160 bridge_del_ports(struct bridge *br, const struct shash *wanted_ports)
3162 struct shash_node *port_node;
3163 struct port *port, *next;
3165 /* Get rid of deleted ports.
3166 * Get rid of deleted interfaces on ports that still exist. */
3167 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
3168 port->cfg = shash_find_data(wanted_ports, port->name);
3172 port_del_ifaces(port);
3176 /* Update iface->cfg and iface->type in interfaces that still exist. */
3177 SHASH_FOR_EACH (port_node, wanted_ports) {
3178 const struct ovsrec_port *port = port_node->data;
3181 for (i = 0; i < port->n_interfaces; i++) {
3182 const struct ovsrec_interface *cfg = port->interfaces[i];
3183 struct iface *iface = iface_lookup(br, cfg->name);
3184 const char *type = iface_get_type(cfg, br->cfg);
3189 } else if (!strcmp(type, "null")) {
3190 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
3191 " may be removed in February 2013. Please email"
3192 " dev@openvswitch.org with concerns.",
3195 /* We will add new interfaces later. */
3201 /* Initializes 'oc' appropriately as a management service controller for
3204 * The caller must free oc->target when it is no longer needed. */
3206 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
3207 struct ofproto_controller *oc)
3209 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
3210 oc->max_backoff = 0;
3211 oc->probe_interval = 60;
3212 oc->band = OFPROTO_OUT_OF_BAND;
3214 oc->burst_limit = 0;
3215 oc->enable_async_msgs = true;
3219 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
3221 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
3222 struct ofproto_controller *oc)
3226 oc->target = c->target;
3227 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
3228 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
3229 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
3230 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
3231 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
3232 oc->burst_limit = (c->controller_burst_limit
3233 ? *c->controller_burst_limit : 0);
3234 oc->enable_async_msgs = (!c->enable_async_messages
3235 || *c->enable_async_messages);
3236 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
3237 if (dscp < 0 || dscp > 63) {
3238 dscp = DSCP_DEFAULT;
3243 /* Configures the IP stack for 'br''s local interface properly according to the
3244 * configuration in 'c'. */
3246 bridge_configure_local_iface_netdev(struct bridge *br,
3247 struct ovsrec_controller *c)
3249 struct netdev *netdev;
3250 struct in_addr mask, gateway;
3252 struct iface *local_iface;
3255 /* If there's no local interface or no IP address, give up. */
3256 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
3257 if (!local_iface || !c->local_ip
3258 || !inet_pton(AF_INET, c->local_ip, &ip)) {
3262 /* Bring up the local interface. */
3263 netdev = local_iface->netdev;
3264 netdev_turn_flags_on(netdev, NETDEV_UP, NULL);
3266 /* Configure the IP address and netmask. */
3267 if (!c->local_netmask
3268 || !inet_pton(AF_INET, c->local_netmask, &mask)
3270 mask.s_addr = guess_netmask(ip.s_addr);
3272 if (!netdev_set_in4(netdev, ip, mask)) {
3273 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
3274 br->name, IP_ARGS(ip.s_addr), IP_ARGS(mask.s_addr));
3277 /* Configure the default gateway. */
3278 if (c->local_gateway
3279 && inet_pton(AF_INET, c->local_gateway, &gateway)
3280 && gateway.s_addr) {
3281 if (!netdev_add_router(netdev, gateway)) {
3282 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
3283 br->name, IP_ARGS(gateway.s_addr));
3288 /* Returns true if 'a' and 'b' are the same except that any number of slashes
3289 * in either string are treated as equal to any number of slashes in the other,
3290 * e.g. "x///y" is equal to "x/y".
3292 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
3293 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
3294 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
3295 * 'b' against a prefix of 'a'.
3298 equal_pathnames(const char *a, const char *b, size_t b_stoplen)
3300 const char *b_start = b;
3302 if (b - b_start >= b_stoplen) {
3304 } else if (*a != *b) {
3306 } else if (*a == '/') {
3307 a += strspn(a, "/");
3308 b += strspn(b, "/");
3309 } else if (*a == '\0') {
3319 bridge_configure_remotes(struct bridge *br,
3320 const struct sockaddr_in *managers, size_t n_managers)
3322 bool disable_in_band;
3324 struct ovsrec_controller **controllers;
3325 size_t n_controllers;
3327 enum ofproto_fail_mode fail_mode;
3329 struct ofproto_controller *ocs;
3333 /* Check if we should disable in-band control on this bridge. */
3334 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
3337 /* Set OpenFlow queue ID for in-band control. */
3338 ofproto_set_in_band_queue(br->ofproto,
3339 smap_get_int(&br->cfg->other_config,
3340 "in-band-queue", -1));
3342 if (disable_in_band) {
3343 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
3345 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
3348 n_controllers = bridge_get_controllers(br, &controllers);
3350 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
3353 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
3354 for (i = 0; i < n_controllers; i++) {
3355 struct ovsrec_controller *c = controllers[i];
3357 if (!strncmp(c->target, "punix:", 6)
3358 || !strncmp(c->target, "unix:", 5)) {
3359 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3362 if (!strncmp(c->target, "unix:", 5)) {
3363 /* Connect to a listening socket */
3364 whitelist = xasprintf("unix:%s/", ovs_rundir());
3365 if (strchr(c->target, '/') &&
3366 !equal_pathnames(c->target, whitelist,
3367 strlen(whitelist))) {
3368 /* Absolute path specified, but not in ovs_rundir */
3369 VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket "
3370 "controller \"%s\" due to possibility for "
3371 "remote exploit. Instead, specify socket "
3372 "in whitelisted \"%s\" or connect to "
3373 "\"unix:%s/%s.mgmt\" (which is always "
3374 "available without special configuration).",
3375 br->name, c->target, whitelist,
3376 ovs_rundir(), br->name);
3381 whitelist = xasprintf("punix:%s/%s.controller",
3382 ovs_rundir(), br->name);
3383 if (!equal_pathnames(c->target, whitelist, SIZE_MAX)) {
3384 /* Prevent remote ovsdb-server users from accessing
3385 * arbitrary Unix domain sockets and overwriting arbitrary
3387 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
3388 "controller \"%s\" due to possibility of "
3389 "overwriting local files. Instead, specify "
3390 "whitelisted \"%s\" or connect to "
3391 "\"unix:%s/%s.mgmt\" (which is always "
3392 "available without special configuration).",
3393 br->name, c->target, whitelist,
3394 ovs_rundir(), br->name);
3403 bridge_configure_local_iface_netdev(br, c);
3404 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
3405 if (disable_in_band) {
3406 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
3411 ofproto_set_controllers(br->ofproto, ocs, n_ocs,
3412 bridge_get_allowed_versions(br));
3413 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
3416 /* Set the fail-mode. */
3417 fail_mode = !br->cfg->fail_mode
3418 || !strcmp(br->cfg->fail_mode, "standalone")
3419 ? OFPROTO_FAIL_STANDALONE
3420 : OFPROTO_FAIL_SECURE;
3421 ofproto_set_fail_mode(br->ofproto, fail_mode);
3423 /* Configure OpenFlow controller connection snooping. */
3424 if (!ofproto_has_snoops(br->ofproto)) {
3428 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
3429 ovs_rundir(), br->name));
3430 ofproto_set_snoops(br->ofproto, &snoops);
3431 sset_destroy(&snoops);
3436 bridge_configure_tables(struct bridge *br)
3438 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
3442 n_tables = ofproto_get_n_tables(br->ofproto);
3444 for (i = 0; i < n_tables; i++) {
3445 struct ofproto_table_settings s;
3446 bool use_default_prefixes = true;
3449 s.max_flows = UINT_MAX;
3452 s.n_prefix_fields = 0;
3453 memset(s.prefix_fields, ~0, sizeof(s.prefix_fields));
3455 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
3456 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
3459 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
3460 s.max_flows = *cfg->flow_limit;
3462 if (cfg->overflow_policy
3463 && !strcmp(cfg->overflow_policy, "evict")) {
3465 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
3466 for (k = 0; k < cfg->n_groups; k++) {
3467 const char *string = cfg->groups[k];
3470 msg = mf_parse_subfield__(&s.groups[k], &string);
3472 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
3473 "'groups' (%s)", br->name, i, msg);
3475 } else if (*string) {
3476 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
3477 "element '%s' contains trailing garbage",
3478 br->name, i, cfg->groups[k]);
3484 /* Prefix lookup fields. */
3485 s.n_prefix_fields = 0;
3486 for (k = 0; k < cfg->n_prefixes; k++) {
3487 const char *name = cfg->prefixes[k];
3488 const struct mf_field *mf;
3490 if (strcmp(name, "none") == 0) {
3491 use_default_prefixes = false;
3492 s.n_prefix_fields = 0;
3495 mf = mf_from_name(name);
3497 VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s",
3501 if (mf->flow_be32ofs < 0 || mf->n_bits % 32) {
3502 VLOG_WARN("bridge %s: 'prefixes' with incompatible field: "
3503 "%s", br->name, name);
3506 if (s.n_prefix_fields >= ARRAY_SIZE(s.prefix_fields)) {
3507 VLOG_WARN("bridge %s: 'prefixes' with too many fields, "
3508 "field not used: %s", br->name, name);
3511 use_default_prefixes = false;
3512 s.prefix_fields[s.n_prefix_fields++] = mf->id;
3515 if (use_default_prefixes) {
3516 /* Use default values. */
3517 s.n_prefix_fields = ARRAY_SIZE(default_prefix_fields);
3518 memcpy(s.prefix_fields, default_prefix_fields,
3519 sizeof default_prefix_fields);
3522 struct ds ds = DS_EMPTY_INITIALIZER;
3523 for (k = 0; k < s.n_prefix_fields; k++) {
3525 ds_put_char(&ds, ',');
3527 ds_put_cstr(&ds, mf_from_id(s.prefix_fields[k])->name);
3529 if (s.n_prefix_fields == 0) {
3530 ds_put_cstr(&ds, "none");
3532 VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.",
3533 br->name, i, ds_cstr(&ds));
3537 ofproto_configure_table(br->ofproto, i, &s);
3541 for (; j < br->cfg->n_flow_tables; j++) {
3542 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
3543 "%"PRId64" not supported by this datapath", br->name,
3544 br->cfg->key_flow_tables[j]);
3549 bridge_configure_dp_desc(struct bridge *br)
3551 ofproto_set_dp_desc(br->ofproto,
3552 smap_get(&br->cfg->other_config, "dp-desc"));
3555 /* Port functions. */
3557 static struct port *
3558 port_create(struct bridge *br, const struct ovsrec_port *cfg)
3562 port = xzalloc(sizeof *port);
3564 port->name = xstrdup(cfg->name);
3566 list_init(&port->ifaces);
3568 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
3572 /* Deletes interfaces from 'port' that are no longer configured for it. */
3574 port_del_ifaces(struct port *port)
3576 struct iface *iface, *next;
3577 struct sset new_ifaces;
3580 /* Collect list of new interfaces. */
3581 sset_init(&new_ifaces);
3582 for (i = 0; i < port->cfg->n_interfaces; i++) {
3583 const char *name = port->cfg->interfaces[i]->name;
3584 const char *type = port->cfg->interfaces[i]->type;
3585 if (strcmp(type, "null")) {
3586 sset_add(&new_ifaces, name);
3590 /* Get rid of deleted interfaces. */
3591 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
3592 if (!sset_contains(&new_ifaces, iface->name)) {
3593 iface_destroy(iface);
3597 sset_destroy(&new_ifaces);
3601 port_destroy(struct port *port)
3604 struct bridge *br = port->bridge;
3605 struct iface *iface, *next;
3608 ofproto_bundle_unregister(br->ofproto, port);
3611 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
3612 iface_destroy__(iface);
3615 hmap_remove(&br->ports, &port->hmap_node);
3621 static struct port *
3622 port_lookup(const struct bridge *br, const char *name)
3626 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
3628 if (!strcmp(port->name, name)) {
3636 enable_lacp(struct port *port, bool *activep)
3638 if (!port->cfg->lacp) {
3639 /* XXX when LACP implementation has been sufficiently tested, enable by
3640 * default and make active on bonded ports. */
3642 } else if (!strcmp(port->cfg->lacp, "off")) {
3644 } else if (!strcmp(port->cfg->lacp, "active")) {
3647 } else if (!strcmp(port->cfg->lacp, "passive")) {
3651 VLOG_WARN("port %s: unknown LACP mode %s",
3652 port->name, port->cfg->lacp);
3657 static struct lacp_settings *
3658 port_configure_lacp(struct port *port, struct lacp_settings *s)
3660 const char *lacp_time, *system_id;
3663 if (!enable_lacp(port, &s->active)) {
3667 s->name = port->name;
3669 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
3671 if (!ovs_scan(system_id, ETH_ADDR_SCAN_FMT,
3672 ETH_ADDR_SCAN_ARGS(s->id))) {
3673 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3674 " address.", port->name, system_id);
3678 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3681 if (eth_addr_is_zero(s->id)) {
3682 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3686 /* Prefer bondable links if unspecified. */
3687 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3689 s->priority = (priority > 0 && priority <= UINT16_MAX
3691 : UINT16_MAX - !list_is_short(&port->ifaces));
3693 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3694 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3696 s->fallback_ab_cfg = smap_get_bool(&port->cfg->other_config,
3697 "lacp-fallback-ab", false);
3703 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3705 int priority, portid, key;
3707 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3708 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3710 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3712 if (portid <= 0 || portid > UINT16_MAX) {
3713 portid = ofp_to_u16(iface->ofp_port);
3716 if (priority <= 0 || priority > UINT16_MAX) {
3717 priority = UINT16_MAX;
3720 if (key < 0 || key > UINT16_MAX) {
3724 s->name = iface->name;
3726 s->priority = priority;
3731 port_configure_bond(struct port *port, struct bond_settings *s)
3733 const char *detect_s;
3734 struct iface *iface;
3735 int miimon_interval;
3737 s->name = port->name;
3739 if (port->cfg->bond_mode) {
3740 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3741 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3742 port->name, port->cfg->bond_mode,
3743 bond_mode_to_string(s->balance));
3746 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3748 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3749 * active-backup. At some point we should remove this warning. */
3750 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3751 " in previous versions, the default bond_mode was"
3752 " balance-slb", port->name,
3753 bond_mode_to_string(s->balance));
3755 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3756 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3757 "please use another bond type or disable flood_vlans",
3761 miimon_interval = smap_get_int(&port->cfg->other_config,
3762 "bond-miimon-interval", 0);
3763 if (miimon_interval <= 0) {
3764 miimon_interval = 200;
3767 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3768 if (!detect_s || !strcmp(detect_s, "carrier")) {
3769 miimon_interval = 0;
3770 } else if (strcmp(detect_s, "miimon")) {
3771 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3772 "defaulting to carrier", port->name, detect_s);
3773 miimon_interval = 0;
3776 s->up_delay = MAX(0, port->cfg->bond_updelay);
3777 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3778 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3779 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3780 "bond-rebalance-interval", 10000);
3781 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3782 s->rebalance_interval = 1000;
3785 s->fake_iface = port->cfg->bond_fake_iface;
3787 s->lacp_fallback_ab_cfg = smap_get_bool(&port->cfg->other_config,
3788 "lacp-fallback-ab", false);
3790 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3791 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3795 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3796 * instead of obtaining it from the database. */
3798 port_is_synthetic(const struct port *port)
3800 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3803 /* Interface functions. */
3806 iface_is_internal(const struct ovsrec_interface *iface,
3807 const struct ovsrec_bridge *br)
3809 /* The local port and "internal" ports are always "internal". */
3810 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
3813 /* Returns the correct network device type for interface 'iface' in bridge
3816 iface_get_type(const struct ovsrec_interface *iface,
3817 const struct ovsrec_bridge *br)
3821 /* The local port always has type "internal". Other ports take
3822 * their type from the database and default to "system" if none is
3824 if (iface_is_internal(iface, br)) {
3827 type = iface->type[0] ? iface->type : "system";
3830 return ofproto_port_open_type(br->datapath_type, type);
3834 iface_destroy__(struct iface *iface)
3837 struct port *port = iface->port;
3838 struct bridge *br = port->bridge;
3840 if (br->ofproto && iface->ofp_port != OFPP_NONE) {
3841 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3844 if (iface->ofp_port != OFPP_NONE) {
3845 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3848 list_remove(&iface->port_elem);
3849 hmap_remove(&br->iface_by_name, &iface->name_node);
3851 /* The user is changing configuration here, so netdev_remove needs to be
3852 * used as opposed to netdev_close */
3853 netdev_remove(iface->netdev);
3861 iface_destroy(struct iface *iface)
3864 struct port *port = iface->port;
3866 iface_destroy__(iface);
3867 if (list_is_empty(&port->ifaces)) {
3873 static struct iface *
3874 iface_lookup(const struct bridge *br, const char *name)
3876 struct iface *iface;
3878 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3879 &br->iface_by_name) {
3880 if (!strcmp(iface->name, name)) {
3888 static struct iface *
3889 iface_find(const char *name)
3891 const struct bridge *br;
3893 HMAP_FOR_EACH (br, node, &all_bridges) {
3894 struct iface *iface = iface_lookup(br, name);
3903 static struct iface *
3904 iface_from_ofp_port(const struct bridge *br, ofp_port_t ofp_port)
3906 struct iface *iface;
3908 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, hash_ofp_port(ofp_port),
3910 if (iface->ofp_port == ofp_port) {
3917 /* Set Ethernet address of 'iface', if one is specified in the configuration
3920 iface_set_mac(const struct bridge *br, const struct port *port, struct iface *iface)
3922 uint8_t ea[ETH_ADDR_LEN], *mac = NULL;
3923 struct iface *hw_addr_iface;
3925 if (strcmp(iface->type, "internal")) {
3929 if (iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3931 } else if (port->cfg->fake_bridge) {
3932 /* Fake bridge and no MAC set in the configuration. Pick a local one. */
3933 find_local_hw_addr(br, ea, port, &hw_addr_iface);
3938 if (iface->ofp_port == OFPP_LOCAL) {
3939 VLOG_ERR("interface %s: ignoring mac in Interface record "
3940 "(use Bridge record to set local port's mac)",
3942 } else if (eth_addr_is_multicast(mac)) {
3943 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3946 int error = netdev_set_etheraddr(iface->netdev, mac);
3948 VLOG_ERR("interface %s: setting MAC failed (%s)",
3949 iface->name, ovs_strerror(error));
3955 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3957 iface_set_ofport(const struct ovsrec_interface *if_cfg, ofp_port_t ofport)
3959 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3960 int64_t port = ofport == OFPP_NONE ? -1 : ofp_to_u16(ofport);
3961 ovsrec_interface_set_ofport(if_cfg, &port, 1);
3965 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3966 * sets the "ofport" field to -1.
3968 * This is appropriate when 'if_cfg''s interface cannot be created or is
3969 * otherwise invalid. */
3971 iface_clear_db_record(const struct ovsrec_interface *if_cfg, char *errp)
3973 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3974 iface_set_ofport(if_cfg, OFPP_NONE);
3975 ovsrec_interface_set_error(if_cfg, errp);
3976 ovsrec_interface_set_status(if_cfg, NULL);
3977 ovsrec_interface_set_admin_state(if_cfg, NULL);
3978 ovsrec_interface_set_duplex(if_cfg, NULL);
3979 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3980 ovsrec_interface_set_link_state(if_cfg, NULL);
3981 ovsrec_interface_set_mac_in_use(if_cfg, NULL);
3982 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3983 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3984 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3985 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3986 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3987 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3988 ovsrec_interface_set_ifindex(if_cfg, NULL, 0);
3993 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3995 union ovsdb_atom atom;
3997 atom.integer = target;
3998 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
4002 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
4004 struct ofpbuf queues_buf;
4006 ofpbuf_init(&queues_buf, 0);
4008 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
4009 netdev_set_qos(iface->netdev, NULL, NULL);
4011 const struct ovsdb_datum *queues;
4012 struct netdev_queue_dump dump;
4013 unsigned int queue_id;
4014 struct smap details;
4018 /* Configure top-level Qos for 'iface'. */
4019 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
4021 /* Deconfigure queues that were deleted. */
4022 queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
4024 smap_init(&details);
4025 NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &dump, iface->netdev) {
4026 if (!queue_ids_include(queues, queue_id)) {
4027 netdev_delete_queue(iface->netdev, queue_id);
4030 smap_destroy(&details);
4032 /* Configure queues for 'iface'. */
4034 for (i = 0; i < qos->n_queues; i++) {
4035 const struct ovsrec_queue *queue = qos->value_queues[i];
4036 unsigned int queue_id = qos->key_queues[i];
4038 if (queue_id == 0) {
4042 if (queue->n_dscp == 1) {
4043 struct ofproto_port_queue *port_queue;
4045 port_queue = ofpbuf_put_uninit(&queues_buf,
4046 sizeof *port_queue);
4047 port_queue->queue = queue_id;
4048 port_queue->dscp = queue->dscp[0];
4051 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
4054 struct smap details;
4056 smap_init(&details);
4057 netdev_set_queue(iface->netdev, 0, &details);
4058 smap_destroy(&details);
4062 if (iface->ofp_port != OFPP_NONE) {
4063 const struct ofproto_port_queue *port_queues = ofpbuf_data(&queues_buf);
4064 size_t n_queues = ofpbuf_size(&queues_buf) / sizeof *port_queues;
4066 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
4067 port_queues, n_queues);
4070 netdev_set_policing(iface->netdev,
4071 iface->cfg->ingress_policing_rate,
4072 iface->cfg->ingress_policing_burst);
4074 ofpbuf_uninit(&queues_buf);
4078 iface_configure_cfm(struct iface *iface)
4080 const struct ovsrec_interface *cfg = iface->cfg;
4081 const char *opstate_str;
4082 const char *cfm_ccm_vlan;
4083 struct cfm_settings s;
4084 struct smap netdev_args;
4086 if (!cfg->n_cfm_mpid) {
4087 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
4091 s.check_tnl_key = false;
4092 smap_init(&netdev_args);
4093 if (!netdev_get_config(iface->netdev, &netdev_args)) {
4094 const char *key = smap_get(&netdev_args, "key");
4095 const char *in_key = smap_get(&netdev_args, "in_key");
4097 s.check_tnl_key = (key && !strcmp(key, "flow"))
4098 || (in_key && !strcmp(in_key, "flow"));
4100 smap_destroy(&netdev_args);
4102 s.mpid = *cfg->cfm_mpid;
4103 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
4104 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
4105 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
4107 if (s.interval <= 0) {
4111 if (!cfm_ccm_vlan) {
4113 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
4114 s.ccm_vlan = CFM_RANDOM_VLAN;
4116 s.ccm_vlan = atoi(cfm_ccm_vlan);
4117 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
4122 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
4124 s.demand = smap_get_bool(&iface->cfg->other_config, "cfm_demand", false);
4126 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
4127 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
4129 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
4132 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
4133 * instead of obtaining it from the database. */
4135 iface_is_synthetic(const struct iface *iface)
4137 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
4141 iface_validate_ofport__(size_t n, int64_t *ofport)
4143 return (n && *ofport >= 1 && *ofport < ofp_to_u16(OFPP_MAX)
4144 ? u16_to_ofp(*ofport)
4149 iface_get_requested_ofp_port(const struct ovsrec_interface *cfg)
4151 return iface_validate_ofport__(cfg->n_ofport_request, cfg->ofport_request);
4155 iface_pick_ofport(const struct ovsrec_interface *cfg)
4157 ofp_port_t requested_ofport = iface_get_requested_ofp_port(cfg);
4158 return (requested_ofport != OFPP_NONE
4160 : iface_validate_ofport__(cfg->n_ofport, cfg->ofport));
4163 /* Port mirroring. */
4165 static struct mirror *
4166 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
4170 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
4171 if (uuid_equals(uuid, &m->uuid)) {
4179 bridge_configure_mirrors(struct bridge *br)
4181 const struct ovsdb_datum *mc;
4182 unsigned long *flood_vlans;
4183 struct mirror *m, *next;
4186 /* Get rid of deleted mirrors. */
4187 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
4188 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
4189 union ovsdb_atom atom;
4191 atom.uuid = m->uuid;
4192 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
4197 /* Add new mirrors and reconfigure existing ones. */
4198 for (i = 0; i < br->cfg->n_mirrors; i++) {
4199 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
4200 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
4202 m = mirror_create(br, cfg);
4205 if (!mirror_configure(m)) {
4210 /* Update flooded vlans (for RSPAN). */
4211 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
4212 br->cfg->n_flood_vlans);
4213 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
4214 bitmap_free(flood_vlans);
4217 static struct mirror *
4218 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
4222 m = xzalloc(sizeof *m);
4223 m->uuid = cfg->header_.uuid;
4224 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
4226 m->name = xstrdup(cfg->name);
4232 mirror_destroy(struct mirror *m)
4235 struct bridge *br = m->bridge;
4238 ofproto_mirror_unregister(br->ofproto, m);
4241 hmap_remove(&br->mirrors, &m->hmap_node);
4248 mirror_collect_ports(struct mirror *m,
4249 struct ovsrec_port **in_ports, int n_in_ports,
4250 void ***out_portsp, size_t *n_out_portsp)
4252 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
4253 size_t n_out_ports = 0;
4256 for (i = 0; i < n_in_ports; i++) {
4257 const char *name = in_ports[i]->name;
4258 struct port *port = port_lookup(m->bridge, name);
4260 out_ports[n_out_ports++] = port;
4262 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
4263 "port %s", m->bridge->name, m->name, name);
4266 *out_portsp = out_ports;
4267 *n_out_portsp = n_out_ports;
4271 mirror_configure(struct mirror *m)
4273 const struct ovsrec_mirror *cfg = m->cfg;
4274 struct ofproto_mirror_settings s;
4277 if (strcmp(cfg->name, m->name)) {
4279 m->name = xstrdup(cfg->name);
4283 /* Get output port or VLAN. */
4284 if (cfg->output_port) {
4285 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
4286 if (!s.out_bundle) {
4287 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
4288 m->bridge->name, m->name);
4291 s.out_vlan = UINT16_MAX;
4293 if (cfg->output_vlan) {
4294 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
4295 "output vlan; ignoring output vlan",
4296 m->bridge->name, m->name);
4298 } else if (cfg->output_vlan) {
4299 /* The database should prevent invalid VLAN values. */
4300 s.out_bundle = NULL;
4301 s.out_vlan = *cfg->output_vlan;
4303 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
4304 m->bridge->name, m->name);
4308 /* Get port selection. */
4309 if (cfg->select_all) {
4310 size_t n_ports = hmap_count(&m->bridge->ports);
4311 void **ports = xmalloc(n_ports * sizeof *ports);
4316 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
4326 /* Get ports, dropping ports that don't exist.
4327 * The IDL ensures that there are no duplicates. */
4328 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
4329 &s.srcs, &s.n_srcs);
4330 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
4331 &s.dsts, &s.n_dsts);
4334 /* Get VLAN selection. */
4335 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
4338 ofproto_mirror_register(m->bridge->ofproto, m, &s);
4341 if (s.srcs != s.dsts) {
4350 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4352 * This is deprecated. It is only for compatibility with broken device drivers
4353 * in old versions of Linux that do not properly support VLANs when VLAN
4354 * devices are not used. When broken device drivers are no longer in
4355 * widespread use, we will delete these interfaces. */
4357 static struct ovsrec_port **recs;
4358 static size_t n_recs, allocated_recs;
4360 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
4361 * splinters are reconfigured. */
4363 register_rec(struct ovsrec_port *rec)
4365 if (n_recs >= allocated_recs) {
4366 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
4368 recs[n_recs++] = rec;
4371 /* Frees all of the ports registered with register_reg(). */
4373 free_registered_recs(void)
4377 for (i = 0; i < n_recs; i++) {
4378 struct ovsrec_port *port = recs[i];
4381 for (j = 0; j < port->n_interfaces; j++) {
4382 struct ovsrec_interface *iface = port->interfaces[j];
4387 smap_destroy(&port->other_config);
4388 free(port->interfaces);
4396 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
4399 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
4401 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
4405 /* Figures out the set of VLANs that are in use for the purpose of VLAN
4408 * If VLAN splinters are enabled on at least one interface and any VLANs are in
4409 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
4410 * 4095 will not be set). The caller is responsible for freeing the bitmap,
4413 * If VLANs splinters are not enabled on any interface or if no VLANs are in
4414 * use, returns NULL.
4416 * Updates 'vlan_splinters_enabled_anywhere'. */
4417 static unsigned long int *
4418 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
4420 unsigned long int *splinter_vlans;
4421 struct sset splinter_ifaces;
4422 const char *real_dev_name;
4423 struct shash *real_devs;
4424 struct shash_node *node;
4428 /* Free space allocated for synthesized ports and interfaces, since we're
4429 * in the process of reconstructing all of them. */
4430 free_registered_recs();
4432 splinter_vlans = bitmap_allocate(4096);
4433 sset_init(&splinter_ifaces);
4434 vlan_splinters_enabled_anywhere = false;
4435 for (i = 0; i < ovs_cfg->n_bridges; i++) {
4436 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
4439 for (j = 0; j < br_cfg->n_ports; j++) {
4440 struct ovsrec_port *port_cfg = br_cfg->ports[j];
4443 for (k = 0; k < port_cfg->n_interfaces; k++) {
4444 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
4446 if (vlan_splinters_is_enabled(iface_cfg)) {
4447 vlan_splinters_enabled_anywhere = true;
4448 sset_add(&splinter_ifaces, iface_cfg->name);
4449 vlan_bitmap_from_array__(port_cfg->trunks,
4455 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
4456 bitmap_set1(splinter_vlans, *port_cfg->tag);
4461 if (!vlan_splinters_enabled_anywhere) {
4462 free(splinter_vlans);
4463 sset_destroy(&splinter_ifaces);
4467 HMAP_FOR_EACH (br, node, &all_bridges) {
4469 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
4473 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
4474 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
4475 * device to be created for it. */
4476 bitmap_set0(splinter_vlans, 0);
4477 bitmap_set0(splinter_vlans, 4095);
4479 /* Delete all VLAN devices that we don't need. */
4481 real_devs = vlandev_get_real_devs();
4482 SHASH_FOR_EACH (node, real_devs) {
4483 const struct vlan_real_dev *real_dev = node->data;
4484 const struct vlan_dev *vlan_dev;
4485 bool real_dev_has_splinters;
4487 real_dev_has_splinters = sset_contains(&splinter_ifaces,
4489 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
4490 if (!real_dev_has_splinters
4491 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
4492 struct netdev *netdev;
4494 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
4495 if (!netdev_get_in4(netdev, NULL, NULL) ||
4496 !netdev_get_in6(netdev, NULL)) {
4497 /* It has an IP address configured, so we don't own
4498 * it. Don't delete it. */
4500 vlandev_del(vlan_dev->name);
4502 netdev_close(netdev);
4509 /* Add all VLAN devices that we need. */
4510 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
4513 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
4514 if (!vlandev_get_name(real_dev_name, vid)) {
4515 vlandev_add(real_dev_name, vid);
4522 sset_destroy(&splinter_ifaces);
4524 if (bitmap_scan(splinter_vlans, 1, 0, 4096) >= 4096) {
4525 free(splinter_vlans);
4528 return splinter_vlans;
4531 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
4534 configure_splinter_port(struct port *port)
4536 struct ofproto *ofproto = port->bridge->ofproto;
4537 ofp_port_t realdev_ofp_port;
4538 const char *realdev_name;
4539 struct iface *vlandev, *realdev;
4541 ofproto_bundle_unregister(port->bridge->ofproto, port);
4543 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
4546 realdev_name = smap_get(&port->cfg->other_config, "realdev");
4547 realdev = iface_lookup(port->bridge, realdev_name);
4548 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
4550 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
4554 static struct ovsrec_port *
4555 synthesize_splinter_port(const char *real_dev_name,
4556 const char *vlan_dev_name, int vid)
4558 struct ovsrec_interface *iface;
4559 struct ovsrec_port *port;
4561 iface = xmalloc(sizeof *iface);
4562 ovsrec_interface_init(iface);
4563 iface->name = xstrdup(vlan_dev_name);
4564 iface->type = "system";
4566 port = xmalloc(sizeof *port);
4567 ovsrec_port_init(port);
4568 port->interfaces = xmemdup(&iface, sizeof iface);
4569 port->n_interfaces = 1;
4570 port->name = xstrdup(vlan_dev_name);
4571 port->vlan_mode = "splinter";
4572 port->tag = xmalloc(sizeof *port->tag);
4575 smap_add(&port->other_config, "realdev", real_dev_name);
4581 /* For each interface with 'br' that has VLAN splinters enabled, adds a
4582 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
4583 * 1-bit in the 'splinter_vlans' bitmap. */
4585 add_vlan_splinter_ports(struct bridge *br,
4586 const unsigned long int *splinter_vlans,
4587 struct shash *ports)
4591 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
4592 * we're modifying 'ports'. */
4593 for (i = 0; i < br->cfg->n_ports; i++) {
4594 const char *name = br->cfg->ports[i]->name;
4595 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
4598 for (j = 0; j < port_cfg->n_interfaces; j++) {
4599 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
4601 if (vlan_splinters_is_enabled(iface_cfg)) {
4602 const char *real_dev_name;
4605 real_dev_name = iface_cfg->name;
4606 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
4607 const char *vlan_dev_name;
4609 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
4611 && !shash_find(ports, vlan_dev_name)) {
4612 shash_add(ports, vlan_dev_name,
4613 synthesize_splinter_port(
4614 real_dev_name, vlan_dev_name, vid));
4623 mirror_refresh_stats(struct mirror *m)
4625 struct ofproto *ofproto = m->bridge->ofproto;
4626 uint64_t tx_packets, tx_bytes;
4629 size_t stat_cnt = 0;
4631 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
4632 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
4636 if (tx_packets != UINT64_MAX) {
4637 keys[stat_cnt] = "tx_packets";
4638 values[stat_cnt] = tx_packets;
4641 if (tx_bytes != UINT64_MAX) {
4642 keys[stat_cnt] = "tx_bytes";
4643 values[stat_cnt] = tx_bytes;
4647 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);