1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012 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.
28 #include "dynamic-string.h"
35 #include "mac-learning.h"
36 #include "meta-flow.h"
38 #include "ofp-print.h"
40 #include "ofproto/ofproto.h"
41 #include "poll-loop.h"
45 #include "socket-util.h"
47 #include "stream-ssl.h"
49 #include "system-stats.h"
54 #include "lib/vswitch-idl.h"
55 #include "xenserver.h"
57 #include "sflow_api.h"
58 #include "vlan-bitmap.h"
60 VLOG_DEFINE_THIS_MODULE(bridge);
62 COVERAGE_DEFINE(bridge_reconfigure);
64 /* Configuration of an uninstantiated iface. */
66 struct hmap_node hmap_node; /* Node in bridge's if_cfg_todo. */
67 const struct ovsrec_interface *cfg; /* Interface record. */
68 const struct ovsrec_port *parent; /* Parent port record. */
69 int64_t ofport; /* Requested OpenFlow port number. */
72 /* OpenFlow port slated for removal from ofproto. */
74 struct list list_node; /* Node in bridge's ofpp_garbage. */
75 uint16_t ofp_port; /* Port to be deleted. */
79 /* These members are always valid. */
80 struct list port_elem; /* Element in struct port's "ifaces" list. */
81 struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */
82 struct port *port; /* Containing port. */
83 char *name; /* Host network device name. */
85 /* These members are valid only after bridge_reconfigure() causes them to
87 struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */
88 int ofp_port; /* OpenFlow port number, -1 if unknown. */
89 struct netdev *netdev; /* Network device. */
90 const char *type; /* Usually same as cfg->type. */
91 const struct ovsrec_interface *cfg;
95 struct uuid uuid; /* UUID of this "mirror" record in database. */
96 struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */
97 struct bridge *bridge;
99 const struct ovsrec_mirror *cfg;
103 struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
104 struct bridge *bridge;
107 const struct ovsrec_port *cfg;
109 /* An ordinary bridge port has 1 interface.
110 * A bridge port for bonding has at least 2 interfaces. */
111 struct list ifaces; /* List of "struct iface"s. */
115 struct hmap_node node; /* In 'all_bridges'. */
116 char *name; /* User-specified arbitrary name. */
117 char *type; /* Datapath type. */
118 uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */
119 uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */
120 const struct ovsrec_bridge *cfg;
122 /* OpenFlow switch processing. */
123 struct ofproto *ofproto; /* OpenFlow switch. */
126 struct hmap ports; /* "struct port"s indexed by name. */
127 struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */
128 struct hmap iface_by_name; /* "struct iface"s indexed by name. */
130 struct list ofpp_garbage; /* "struct ofpp_garbage" slated for removal. */
131 struct hmap if_cfg_todo; /* "struct if_cfg"s slated for creation.
132 Indexed on 'cfg->name'. */
134 /* Port mirroring. */
135 struct hmap mirrors; /* "struct mirror" indexed by UUID. */
137 /* Synthetic local port if necessary. */
138 struct ovsrec_port synth_local_port;
139 struct ovsrec_interface synth_local_iface;
140 struct ovsrec_interface *synth_local_ifacep;
143 /* All bridges, indexed by name. */
144 static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges);
146 /* OVSDB IDL used to obtain configuration. */
147 static struct ovsdb_idl *idl;
149 /* Most recently processed IDL sequence number. */
150 static unsigned int idl_seqno;
152 /* Each time this timer expires, the bridge fetches interface and mirror
153 * statistics and pushes them into the database. */
154 #define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
155 static long long int iface_stats_timer = LLONG_MIN;
157 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
158 * expensive. This can cause bridge_reconfigure() to take a long time during
159 * which no other work can be done. To deal with this problem, we limit port
160 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
161 * call to bridge_reconfigure(). If there is more work to do after the limit
162 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
163 * This allows the rest of the code to catch up on important things like
164 * forwarding packets. */
165 #define OFP_PORT_ACTION_WINDOW 10
166 static bool reconfiguring = false;
168 static void add_del_bridges(const struct ovsrec_open_vswitch *);
169 static void bridge_update_ofprotos(void);
170 static void bridge_create(const struct ovsrec_bridge *);
171 static void bridge_destroy(struct bridge *);
172 static struct bridge *bridge_lookup(const char *name);
173 static unixctl_cb_func bridge_unixctl_dump_flows;
174 static unixctl_cb_func bridge_unixctl_reconnect;
175 static size_t bridge_get_controllers(const struct bridge *br,
176 struct ovsrec_controller ***controllersp);
177 static void bridge_add_del_ports(struct bridge *,
178 const unsigned long int *splinter_vlans);
179 static void bridge_refresh_ofp_port(struct bridge *);
180 static void bridge_configure_datapath_id(struct bridge *);
181 static void bridge_configure_flow_eviction_threshold(struct bridge *);
182 static void bridge_configure_netflow(struct bridge *);
183 static void bridge_configure_forward_bpdu(struct bridge *);
184 static void bridge_configure_mac_idle_time(struct bridge *);
185 static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number);
186 static void bridge_configure_stp(struct bridge *);
187 static void bridge_configure_tables(struct bridge *);
188 static void bridge_configure_remotes(struct bridge *,
189 const struct sockaddr_in *managers,
191 static void bridge_pick_local_hw_addr(struct bridge *,
192 uint8_t ea[ETH_ADDR_LEN],
193 struct iface **hw_addr_iface);
194 static uint64_t bridge_pick_datapath_id(struct bridge *,
195 const uint8_t bridge_ea[ETH_ADDR_LEN],
196 struct iface *hw_addr_iface);
197 static void bridge_queue_if_cfg(struct bridge *,
198 const struct ovsrec_interface *,
199 const struct ovsrec_port *);
200 static uint64_t dpid_from_hash(const void *, size_t nbytes);
201 static bool bridge_has_bond_fake_iface(const struct bridge *,
203 static bool port_is_bond_fake_iface(const struct port *);
205 static unixctl_cb_func qos_unixctl_show;
207 static struct port *port_create(struct bridge *, const struct ovsrec_port *);
208 static void port_del_ifaces(struct port *);
209 static void port_destroy(struct port *);
210 static struct port *port_lookup(const struct bridge *, const char *name);
211 static void port_configure(struct port *);
212 static struct lacp_settings *port_configure_lacp(struct port *,
213 struct lacp_settings *);
214 static void port_configure_bond(struct port *, struct bond_settings *,
215 uint32_t *bond_stable_ids);
216 static bool port_is_synthetic(const struct port *);
218 static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
219 static void run_system_stats(void);
221 static void bridge_configure_mirrors(struct bridge *);
222 static struct mirror *mirror_create(struct bridge *,
223 const struct ovsrec_mirror *);
224 static void mirror_destroy(struct mirror *);
225 static bool mirror_configure(struct mirror *);
226 static void mirror_refresh_stats(struct mirror *);
228 static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
229 static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port);
230 static const char *iface_get_type(const struct ovsrec_interface *,
231 const struct ovsrec_bridge *);
232 static void iface_destroy(struct iface *);
233 static struct iface *iface_lookup(const struct bridge *, const char *name);
234 static struct iface *iface_find(const char *name);
235 static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
236 static struct iface *iface_from_ofp_port(const struct bridge *,
238 static void iface_set_mac(struct iface *);
239 static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
240 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg);
241 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
242 static void iface_configure_cfm(struct iface *);
243 static void iface_refresh_cfm_stats(struct iface *);
244 static void iface_refresh_stats(struct iface *);
245 static void iface_refresh_status(struct iface *);
246 static bool iface_is_synthetic(const struct iface *);
248 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
250 * This is deprecated. It is only for compatibility with broken device drivers
251 * in old versions of Linux that do not properly support VLANs when VLAN
252 * devices are not used. When broken device drivers are no longer in
253 * widespread use, we will delete these interfaces. */
255 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
256 static bool vlan_splinters_enabled_anywhere;
258 static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
259 static unsigned long int *collect_splinter_vlans(
260 const struct ovsrec_open_vswitch *);
261 static void configure_splinter_port(struct port *);
262 static void add_vlan_splinter_ports(struct bridge *,
263 const unsigned long int *splinter_vlans,
264 struct shash *ports);
267 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
269 struct shash iface_hints;
270 static bool initialized = false;
277 shash_init(&iface_hints);
279 for (i = 0; i < cfg->n_bridges; i++) {
280 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
283 for (j = 0; j < br_cfg->n_ports; j++) {
284 struct ovsrec_port *port_cfg = br_cfg->ports[j];
287 for (k = 0; k < port_cfg->n_interfaces; k++) {
288 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
289 struct iface_hint *iface_hint;
291 iface_hint = xmalloc(sizeof *iface_hint);
292 iface_hint->br_name = br_cfg->name;
293 iface_hint->br_type = br_cfg->datapath_type;
294 iface_hint->ofp_port = if_cfg->n_ofport_request ?
295 *if_cfg->ofport_request : OFPP_NONE;
297 shash_add(&iface_hints, if_cfg->name, iface_hint);
302 ofproto_init(&iface_hints);
304 shash_destroy_free_data(&iface_hints);
308 /* Public functions. */
310 /* Initializes the bridge module, configuring it to obtain its configuration
311 * from an OVSDB server accessed over 'remote', which should be a string in a
312 * form acceptable to ovsdb_idl_create(). */
314 bridge_init(const char *remote)
316 /* Create connection to database. */
317 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
318 idl_seqno = ovsdb_idl_get_seqno(idl);
319 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
320 ovsdb_idl_verify_write_only(idl);
322 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
323 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
324 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
325 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
326 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
327 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
328 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
330 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
331 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
332 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
334 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
335 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
336 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
337 ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
339 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
340 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
341 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
342 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
343 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
344 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
345 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
346 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
347 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
348 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
349 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
350 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
351 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
352 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
353 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
354 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
356 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
357 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
358 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
359 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
361 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
363 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
365 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
366 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
368 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
370 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
372 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
373 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
374 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
375 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
376 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
378 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
380 /* Register unixctl commands. */
381 unixctl_command_register("qos/show", "interface", 1, 1,
382 qos_unixctl_show, NULL);
383 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
384 bridge_unixctl_dump_flows, NULL);
385 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
386 bridge_unixctl_reconnect, NULL);
396 struct bridge *br, *next_br;
398 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
401 ovsdb_idl_destroy(idl);
404 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
405 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
406 * responsible for freeing '*managersp' (with free()).
408 * You may be asking yourself "why does ovs-vswitchd care?", because
409 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
410 * should not be and in fact is not directly involved in that. But
411 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
412 * it has to tell in-band control where the managers are to enable that.
413 * (Thus, only managers connected in-band are collected.)
416 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
417 struct sockaddr_in **managersp, size_t *n_managersp)
419 struct sockaddr_in *managers = NULL;
420 size_t n_managers = 0;
424 /* Collect all of the potential targets from the "targets" columns of the
425 * rows pointed to by "manager_options", excluding any that are
428 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
429 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
431 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
432 sset_find_and_delete(&targets, m->target);
434 sset_add(&targets, m->target);
438 /* Now extract the targets' IP addresses. */
439 if (!sset_is_empty(&targets)) {
442 managers = xmalloc(sset_count(&targets) * sizeof *managers);
443 SSET_FOR_EACH (target, &targets) {
444 struct sockaddr_in *sin = &managers[n_managers];
446 if (stream_parse_target_with_default_ports(target,
454 sset_destroy(&targets);
456 *managersp = managers;
457 *n_managersp = n_managers;
461 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
463 unsigned long int *splinter_vlans;
466 COVERAGE_INC(bridge_reconfigure);
468 assert(!reconfiguring);
469 reconfiguring = true;
471 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
472 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
473 * configuration otherwise.
475 * This is mostly an update to bridge data structures. Nothing is pushed
476 * down to ofproto or lower layers. */
477 add_del_bridges(ovs_cfg);
478 splinter_vlans = collect_splinter_vlans(ovs_cfg);
479 HMAP_FOR_EACH (br, node, &all_bridges) {
480 bridge_add_del_ports(br, splinter_vlans);
482 free(splinter_vlans);
484 /* Delete datapaths that are no longer configured, and create ones which
485 * don't exist but should. */
486 bridge_update_ofprotos();
488 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
489 HMAP_FOR_EACH (br, node, &all_bridges) {
490 bridge_refresh_ofp_port(br);
493 /* Clear database records for "if_cfg"s which haven't been instantiated. */
494 HMAP_FOR_EACH (br, node, &all_bridges) {
495 struct if_cfg *if_cfg;
497 HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
498 iface_clear_db_record(if_cfg->cfg);
502 reconfigure_system_stats(ovs_cfg);
506 bridge_reconfigure_ofp(void)
508 long long int deadline;
512 deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
514 /* The kernel will reject any attempt to add a given port to a datapath if
515 * that port already belongs to a different datapath, so we must do all
516 * port deletions before any port additions. */
517 HMAP_FOR_EACH (br, node, &all_bridges) {
518 struct ofpp_garbage *garbage, *next;
520 LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
521 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
522 * internal datastructures may not be consistent. Eventually, when
523 * port additions and deletions are cheaper, these calls should be
526 ofproto_port_del(br->ofproto, garbage->ofp_port);
527 list_remove(&garbage->list_node);
531 if (time_msec() >= deadline) {
538 HMAP_FOR_EACH (br, node, &all_bridges) {
539 struct if_cfg *if_cfg, *next;
541 HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
542 iface_create(br, if_cfg, -1);
544 if (time_msec() >= deadline) {
554 bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
556 struct sockaddr_in *managers;
557 int sflow_bridge_number;
562 assert(reconfiguring);
563 done = bridge_reconfigure_ofp();
565 /* Complete the configuration. */
566 sflow_bridge_number = 0;
567 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
568 HMAP_FOR_EACH (br, node, &all_bridges) {
571 /* We need the datapath ID early to allow LACP ports to use it as the
572 * default system ID. */
573 bridge_configure_datapath_id(br);
575 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
578 port_configure(port);
580 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
581 iface_configure_cfm(iface);
582 iface_configure_qos(iface, port->cfg->qos);
583 iface_set_mac(iface);
586 bridge_configure_mirrors(br);
587 bridge_configure_flow_eviction_threshold(br);
588 bridge_configure_forward_bpdu(br);
589 bridge_configure_mac_idle_time(br);
590 bridge_configure_remotes(br, managers, n_managers);
591 bridge_configure_netflow(br);
592 bridge_configure_sflow(br, &sflow_bridge_number);
593 bridge_configure_stp(br);
594 bridge_configure_tables(br);
599 /* ovs-vswitchd has completed initialization, so allow the process that
600 * forked us to exit successfully. */
601 daemonize_complete();
602 reconfiguring = false;
604 VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION);
610 /* Delete ofprotos which aren't configured or have the wrong type. Create
611 * ofprotos which don't exist but need to. */
613 bridge_update_ofprotos(void)
615 struct bridge *br, *next;
620 /* Delete ofprotos with no bridge or with the wrong type. */
623 ofproto_enumerate_types(&types);
624 SSET_FOR_EACH (type, &types) {
627 ofproto_enumerate_names(type, &names);
628 SSET_FOR_EACH (name, &names) {
629 br = bridge_lookup(name);
630 if (!br || strcmp(type, br->type)) {
631 ofproto_delete(name, type);
635 sset_destroy(&names);
636 sset_destroy(&types);
638 /* Add ofprotos for bridges which don't have one yet. */
639 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
647 /* Remove ports from any datapath with the same name as 'br'. If we
648 * don't do this, creating 'br''s ofproto will fail because a port with
649 * the same name as its local port already exists. */
650 HMAP_FOR_EACH (br2, node, &all_bridges) {
651 struct ofproto_port ofproto_port;
657 if (!ofproto_port_query_by_name(br2->ofproto, br->name,
659 error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
661 VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
664 ofproto_port_destroy(&ofproto_port);
668 error = ofproto_create(br->name, br->type, &br->ofproto);
670 VLOG_ERR("failed to create bridge %s: %s", br->name,
678 port_configure(struct port *port)
680 const struct ovsrec_port *cfg = port->cfg;
681 struct bond_settings bond_settings;
682 struct lacp_settings lacp_settings;
683 struct ofproto_bundle_settings s;
686 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
687 configure_splinter_port(port);
696 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
697 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
698 s.slaves[s.n_slaves++] = iface->ofp_port;
703 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
707 /* Get VLAN trunks. */
710 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
714 if (cfg->vlan_mode) {
715 if (!strcmp(cfg->vlan_mode, "access")) {
716 s.vlan_mode = PORT_VLAN_ACCESS;
717 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
718 s.vlan_mode = PORT_VLAN_TRUNK;
719 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
720 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
721 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
722 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
724 /* This "can't happen" because ovsdb-server should prevent it. */
725 VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode);
726 s.vlan_mode = PORT_VLAN_TRUNK;
730 s.vlan_mode = PORT_VLAN_ACCESS;
732 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
736 s.vlan_mode = PORT_VLAN_TRUNK;
739 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
742 /* Get LACP settings. */
743 s.lacp = port_configure_lacp(port, &lacp_settings);
747 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
748 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
749 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
752 s.lacp_slaves = NULL;
755 /* Get bond settings. */
756 if (s.n_slaves > 1) {
757 s.bond = &bond_settings;
758 s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids);
759 port_configure_bond(port, &bond_settings, s.bond_stable_ids);
762 s.bond_stable_ids = NULL;
764 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
765 netdev_set_miimon_interval(iface->netdev, 0);
770 ofproto_bundle_register(port->bridge->ofproto, port, &s);
776 free(s.bond_stable_ids);
779 /* Pick local port hardware address and datapath ID for 'br'. */
781 bridge_configure_datapath_id(struct bridge *br)
783 uint8_t ea[ETH_ADDR_LEN];
785 struct iface *local_iface;
786 struct iface *hw_addr_iface;
789 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
790 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
792 int error = netdev_set_etheraddr(local_iface->netdev, ea);
794 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
795 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
796 "Ethernet address: %s",
797 br->name, strerror(error));
800 memcpy(br->ea, ea, ETH_ADDR_LEN);
802 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
803 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
804 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
805 ofproto_set_datapath_id(br->ofproto, dpid);
808 dpid_string = xasprintf("%016"PRIx64, dpid);
809 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
813 /* Set NetFlow configuration on 'br'. */
815 bridge_configure_netflow(struct bridge *br)
817 struct ovsrec_netflow *cfg = br->cfg->netflow;
818 struct netflow_options opts;
821 ofproto_set_netflow(br->ofproto, NULL);
825 memset(&opts, 0, sizeof opts);
827 /* Get default NetFlow configuration from datapath.
828 * Apply overrides from 'cfg'. */
829 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
830 if (cfg->engine_type) {
831 opts.engine_type = *cfg->engine_type;
833 if (cfg->engine_id) {
834 opts.engine_id = *cfg->engine_id;
837 /* Configure active timeout interval. */
838 opts.active_timeout = cfg->active_timeout;
839 if (!opts.active_timeout) {
840 opts.active_timeout = -1;
841 } else if (opts.active_timeout < 0) {
842 VLOG_WARN("bridge %s: active timeout interval set to negative "
843 "value, using default instead (%d seconds)", br->name,
844 NF_ACTIVE_TIMEOUT_DEFAULT);
845 opts.active_timeout = -1;
848 /* Add engine ID to interface number to disambiguate bridgs? */
849 opts.add_id_to_iface = cfg->add_id_to_interface;
850 if (opts.add_id_to_iface) {
851 if (opts.engine_id > 0x7f) {
852 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
853 "another vswitch, choose an engine id less than 128",
856 if (hmap_count(&br->ports) > 508) {
857 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
858 "another port when more than 508 ports are used",
864 sset_init(&opts.collectors);
865 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
868 if (ofproto_set_netflow(br->ofproto, &opts)) {
869 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
871 sset_destroy(&opts.collectors);
874 /* Set sFlow configuration on 'br'. */
876 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
878 const struct ovsrec_sflow *cfg = br->cfg->sflow;
879 struct ovsrec_controller **controllers;
880 struct ofproto_sflow_options oso;
881 size_t n_controllers;
885 ofproto_set_sflow(br->ofproto, NULL);
889 memset(&oso, 0, sizeof oso);
891 sset_init(&oso.targets);
892 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
894 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
896 oso.sampling_rate = *cfg->sampling;
899 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
901 oso.polling_interval = *cfg->polling;
904 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
906 oso.header_len = *cfg->header;
909 oso.sub_id = (*sflow_bridge_number)++;
910 oso.agent_device = cfg->agent;
912 oso.control_ip = NULL;
913 n_controllers = bridge_get_controllers(br, &controllers);
914 for (i = 0; i < n_controllers; i++) {
915 if (controllers[i]->local_ip) {
916 oso.control_ip = controllers[i]->local_ip;
920 ofproto_set_sflow(br->ofproto, &oso);
922 sset_destroy(&oso.targets);
926 port_configure_stp(const struct ofproto *ofproto, struct port *port,
927 struct ofproto_port_stp_settings *port_s,
928 int *port_num_counter, unsigned long *port_num_bitmap)
930 const char *config_str;
933 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
934 port_s->enable = false;
937 port_s->enable = true;
940 /* STP over bonds is not supported. */
941 if (!list_is_singleton(&port->ifaces)) {
942 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
944 port_s->enable = false;
948 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
950 /* Internal ports shouldn't participate in spanning tree, so
952 if (!strcmp(iface->type, "internal")) {
953 VLOG_DBG("port %s: disable STP on internal ports", port->name);
954 port_s->enable = false;
958 /* STP on mirror output ports is not supported. */
959 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
960 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
961 port_s->enable = false;
965 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
967 unsigned long int port_num = strtoul(config_str, NULL, 0);
968 int port_idx = port_num - 1;
970 if (port_num < 1 || port_num > STP_MAX_PORTS) {
971 VLOG_ERR("port %s: invalid stp-port-num", port->name);
972 port_s->enable = false;
976 if (bitmap_is_set(port_num_bitmap, port_idx)) {
977 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
978 port->name, port_num);
979 port_s->enable = false;
982 bitmap_set1(port_num_bitmap, port_idx);
983 port_s->port_num = port_idx;
985 if (*port_num_counter >= STP_MAX_PORTS) {
986 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
987 port_s->enable = false;
991 port_s->port_num = (*port_num_counter)++;
994 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
996 port_s->path_cost = strtoul(config_str, NULL, 10);
998 enum netdev_features current;
1000 if (netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL)) {
1001 /* Couldn't get speed, so assume 100Mb/s. */
1002 port_s->path_cost = 19;
1006 mbps = netdev_features_to_bps(current) / 1000000;
1007 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1011 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1013 port_s->priority = strtoul(config_str, NULL, 0);
1015 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1019 /* Set spanning tree configuration on 'br'. */
1021 bridge_configure_stp(struct bridge *br)
1023 if (!br->cfg->stp_enable) {
1024 ofproto_set_stp(br->ofproto, NULL);
1026 struct ofproto_stp_settings br_s;
1027 const char *config_str;
1029 int port_num_counter;
1030 unsigned long *port_num_bitmap;
1032 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1034 uint8_t ea[ETH_ADDR_LEN];
1036 if (eth_addr_from_string(config_str, ea)) {
1037 br_s.system_id = eth_addr_to_uint64(ea);
1039 br_s.system_id = eth_addr_to_uint64(br->ea);
1040 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1041 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1044 br_s.system_id = eth_addr_to_uint64(br->ea);
1047 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1049 br_s.priority = strtoul(config_str, NULL, 0);
1051 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1054 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1056 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1058 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1061 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1063 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1065 br_s.max_age = STP_DEFAULT_MAX_AGE;
1068 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1070 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1072 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1075 /* Configure STP on the bridge. */
1076 if (ofproto_set_stp(br->ofproto, &br_s)) {
1077 VLOG_ERR("bridge %s: could not enable STP", br->name);
1081 /* Users must either set the port number with the "stp-port-num"
1082 * configuration on all ports or none. If manual configuration
1083 * is not done, then we allocate them sequentially. */
1084 port_num_counter = 0;
1085 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1086 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1087 struct ofproto_port_stp_settings port_s;
1088 struct iface *iface;
1090 port_configure_stp(br->ofproto, port, &port_s,
1091 &port_num_counter, port_num_bitmap);
1093 /* As bonds are not supported, just apply configuration to
1094 * all interfaces. */
1095 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1096 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1098 VLOG_ERR("port %s: could not enable STP", port->name);
1104 if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1105 && port_num_counter) {
1106 VLOG_ERR("bridge %s: must manually configure all STP port "
1107 "IDs or none, disabling", br->name);
1108 ofproto_set_stp(br->ofproto, NULL);
1110 bitmap_free(port_num_bitmap);
1115 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1117 const struct port *port = port_lookup(br, name);
1118 return port && port_is_bond_fake_iface(port);
1122 port_is_bond_fake_iface(const struct port *port)
1124 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1128 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1130 struct bridge *br, *next;
1131 struct shash new_br;
1134 /* Collect new bridges' names and types. */
1135 shash_init(&new_br);
1136 for (i = 0; i < cfg->n_bridges; i++) {
1137 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1138 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1140 if (strchr(br_cfg->name, '/')) {
1141 /* Prevent remote ovsdb-server users from accessing arbitrary
1142 * directories, e.g. consider a bridge named "../../../etc/". */
1143 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1145 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1146 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1150 /* Get rid of deleted bridges or those whose types have changed.
1151 * Update 'cfg' of bridges that still exist. */
1152 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1153 br->cfg = shash_find_data(&new_br, br->name);
1154 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1155 br->cfg->datapath_type))) {
1160 /* Add new bridges. */
1161 for (i = 0; i < cfg->n_bridges; i++) {
1162 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1163 struct bridge *br = bridge_lookup(br_cfg->name);
1165 bridge_create(br_cfg);
1169 shash_destroy(&new_br);
1173 iface_set_ofp_port(struct iface *iface, int ofp_port)
1175 struct bridge *br = iface->port->bridge;
1177 assert(iface->ofp_port < 0 && ofp_port >= 0);
1178 iface->ofp_port = ofp_port;
1179 hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
1180 iface_set_ofport(iface->cfg, ofp_port);
1183 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1184 * Returns 0 if successful, otherwise a positive errno value. */
1186 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1187 struct netdev *netdev)
1191 error = netdev_set_config(netdev, &iface_cfg->options);
1193 VLOG_WARN("could not configure network device %s (%s)",
1194 iface_cfg->name, strerror(error));
1199 /* This function determines whether 'ofproto_port', which is attached to
1200 * br->ofproto's datapath, is one that we want in 'br'.
1202 * If it is, it returns true, after creating an iface (if necessary),
1203 * configuring the iface's netdev according to the iface's options, and setting
1204 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1206 * If, on the other hand, 'port' should be removed, it returns false. The
1207 * caller should later detach the port from br->ofproto. */
1209 bridge_refresh_one_ofp_port(struct bridge *br,
1210 const struct ofproto_port *ofproto_port)
1212 const char *name = ofproto_port->name;
1213 const char *type = ofproto_port->type;
1214 uint16_t ofp_port = ofproto_port->ofp_port;
1216 struct iface *iface = iface_lookup(br, name);
1218 /* Check that the name-to-number mapping is one-to-one. */
1219 if (iface->ofp_port >= 0) {
1220 VLOG_WARN("bridge %s: interface %s reported twice",
1223 } else if (iface_from_ofp_port(br, ofp_port)) {
1224 VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
1225 br->name, ofp_port);
1229 /* There's a configured interface named 'name'. */
1230 if (strcmp(type, iface->type)
1231 || iface_set_netdev_config(iface->cfg, iface->netdev)) {
1232 /* It's the wrong type, or it's the right type but can't be
1233 * configured as the user requested, so we must destroy it. */
1236 /* It's the right type and configured correctly. keep it. */
1237 iface_set_ofp_port(iface, ofp_port);
1240 } else if (bridge_has_bond_fake_iface(br, name)
1241 && !strcmp(type, "internal")) {
1242 /* It's a bond fake iface. Keep it. */
1245 /* There's no configured interface named 'name', but there might be an
1246 * interface of that name queued to be created.
1248 * If there is, and it has the correct type, then try to configure it
1249 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1250 * delete it and later try to re-add it. */
1251 struct if_cfg *if_cfg = if_cfg_lookup(br, name);
1253 && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
1254 && iface_create(br, if_cfg, ofp_port));
1258 /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1259 * consistent with the ofp_ports in "br->ofproto". */
1261 bridge_refresh_ofp_port(struct bridge *br)
1263 struct ofproto_port_dump dump;
1264 struct ofproto_port ofproto_port;
1265 struct port *port, *port_next;
1267 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
1268 hmap_clear(&br->ifaces);
1269 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1270 struct iface *iface;
1272 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1273 iface->ofp_port = -1;
1277 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1278 * already exist in the datapath and promote them to full fledged "struct
1279 * iface"s. Mark ports in the datapath which don't belong as garbage. */
1280 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
1281 if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
1282 struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
1283 garbage->ofp_port = ofproto_port.ofp_port;
1284 list_push_front(&br->ofpp_garbage, &garbage->list_node);
1288 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1289 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1290 * later they can be added to ofproto. */
1291 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
1292 struct iface *iface, *iface_next;
1294 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
1295 if (iface->ofp_port < 0) {
1296 bridge_queue_if_cfg(br, iface->cfg, port->cfg);
1297 iface_destroy(iface);
1301 if (list_is_empty(&port->ifaces)) {
1307 /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
1308 * is negative, adds the network device to br->ofproto and stores the OpenFlow
1309 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1312 * If successful, returns 0 and stores the network device in '*netdevp'. On
1313 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1315 iface_do_create(const struct bridge *br,
1316 const struct if_cfg *if_cfg,
1317 int *ofp_portp, struct netdev **netdevp)
1319 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1320 const struct ovsrec_port *port_cfg = if_cfg->parent;
1321 struct netdev *netdev;
1324 error = netdev_open(iface_cfg->name,
1325 iface_get_type(iface_cfg, br->cfg), &netdev);
1327 VLOG_WARN("could not open network device %s (%s)",
1328 iface_cfg->name, strerror(error));
1332 error = iface_set_netdev_config(iface_cfg, netdev);
1337 if (*ofp_portp < 0) {
1338 uint16_t ofp_port = if_cfg->ofport;
1340 error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
1344 *ofp_portp = ofp_port;
1346 VLOG_INFO("bridge %s: added interface %s on port %d",
1347 br->name, iface_cfg->name, *ofp_portp);
1349 VLOG_DBG("bridge %s: interface %s is on port %d",
1350 br->name, iface_cfg->name, *ofp_portp);
1353 if (port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter")) {
1354 netdev_turn_flags_on(netdev, NETDEV_UP, true);
1362 netdev_close(netdev);
1366 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1367 * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
1368 * automatically allocated for the iface. Takes ownership of and
1369 * deallocates 'if_cfg'.
1371 * Return true if an iface is successfully created, false otherwise. */
1373 iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
1375 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1376 const struct ovsrec_port *port_cfg = if_cfg->parent;
1378 struct netdev *netdev;
1379 struct iface *iface;
1384 /* Do the bits that can fail up front.
1386 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1387 * internal datastructures may not be consistent. Eventually, when port
1388 * additions and deletions are cheaper, these calls should be removed. */
1390 assert(!iface_lookup(br, iface_cfg->name));
1391 error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
1394 iface_clear_db_record(iface_cfg);
1399 /* Get or create the port structure. */
1400 port = port_lookup(br, port_cfg->name);
1402 port = port_create(br, port_cfg);
1405 /* Create the iface structure. */
1406 iface = xzalloc(sizeof *iface);
1407 list_push_back(&port->ifaces, &iface->port_elem);
1408 hmap_insert(&br->iface_by_name, &iface->name_node,
1409 hash_string(iface_cfg->name, 0));
1411 iface->name = xstrdup(iface_cfg->name);
1412 iface->ofp_port = -1;
1413 iface->netdev = netdev;
1414 iface->type = iface_get_type(iface_cfg, br->cfg);
1415 iface->cfg = iface_cfg;
1417 iface_set_ofp_port(iface, ofp_port);
1419 /* Populate initial status in database. */
1420 iface_refresh_stats(iface);
1421 iface_refresh_status(iface);
1423 /* Add bond fake iface if necessary. */
1424 if (port_is_bond_fake_iface(port)) {
1425 struct ofproto_port ofproto_port;
1427 if (ofproto_port_query_by_name(br->ofproto, port->name,
1429 struct netdev *netdev;
1432 error = netdev_open(port->name, "internal", &netdev);
1434 uint16_t ofp_port = if_cfg->ofport;
1436 ofproto_port_add(br->ofproto, netdev, &ofp_port);
1437 netdev_close(netdev);
1439 VLOG_WARN("could not open network device %s (%s)",
1440 port->name, strerror(error));
1443 /* Already exists, nothing to do. */
1444 ofproto_port_destroy(&ofproto_port);
1449 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
1455 /* Set Flow eviction threshold */
1457 bridge_configure_flow_eviction_threshold(struct bridge *br)
1459 const char *threshold_str;
1462 threshold_str = smap_get(&br->cfg->other_config,
1463 "flow-eviction-threshold");
1464 if (threshold_str) {
1465 threshold = strtoul(threshold_str, NULL, 10);
1467 threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
1469 ofproto_set_flow_eviction_threshold(br->ofproto, threshold);
1472 /* Set forward BPDU option. */
1474 bridge_configure_forward_bpdu(struct bridge *br)
1476 ofproto_set_forward_bpdu(br->ofproto,
1477 smap_get_bool(&br->cfg->other_config,
1482 /* Set MAC aging time for 'br'. */
1484 bridge_configure_mac_idle_time(struct bridge *br)
1486 const char *idle_time_str;
1489 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1490 idle_time = (idle_time_str && atoi(idle_time_str)
1491 ? atoi(idle_time_str)
1492 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1493 ofproto_set_mac_idle_time(br->ofproto, idle_time);
1497 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1498 struct iface **hw_addr_iface)
1500 struct hmapx mirror_output_ports;
1503 bool found_addr = false;
1507 *hw_addr_iface = NULL;
1509 /* Did the user request a particular MAC? */
1510 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
1511 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
1512 if (eth_addr_is_multicast(ea)) {
1513 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1514 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1515 } else if (eth_addr_is_zero(ea)) {
1516 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
1522 /* Mirror output ports don't participate in picking the local hardware
1523 * address. ofproto can't help us find out whether a given port is a
1524 * mirror output because we haven't configured mirrors yet, so we need to
1525 * accumulate them ourselves. */
1526 hmapx_init(&mirror_output_ports);
1527 for (i = 0; i < br->cfg->n_mirrors; i++) {
1528 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1529 if (m->output_port) {
1530 hmapx_add(&mirror_output_ports, m->output_port);
1534 /* Otherwise choose the minimum non-local MAC address among all of the
1536 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1537 uint8_t iface_ea[ETH_ADDR_LEN];
1538 struct iface *candidate;
1539 struct iface *iface;
1541 /* Mirror output ports don't participate. */
1542 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1546 /* Choose the MAC address to represent the port. */
1548 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
1549 /* Find the interface with this Ethernet address (if any) so that
1550 * we can provide the correct devname to the caller. */
1551 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1552 uint8_t candidate_ea[ETH_ADDR_LEN];
1553 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
1554 && eth_addr_equals(iface_ea, candidate_ea)) {
1559 /* Choose the interface whose MAC address will represent the port.
1560 * The Linux kernel bonding code always chooses the MAC address of
1561 * the first slave added to a bond, and the Fedora networking
1562 * scripts always add slaves to a bond in alphabetical order, so
1563 * for compatibility we choose the interface with the name that is
1564 * first in alphabetical order. */
1565 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1566 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1571 /* The local port doesn't count (since we're trying to choose its
1572 * MAC address anyway). */
1573 if (iface->ofp_port == OFPP_LOCAL) {
1578 error = netdev_get_etheraddr(iface->netdev, iface_ea);
1584 /* Compare against our current choice. */
1585 if (!eth_addr_is_multicast(iface_ea) &&
1586 !eth_addr_is_local(iface_ea) &&
1587 !eth_addr_is_reserved(iface_ea) &&
1588 !eth_addr_is_zero(iface_ea) &&
1589 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
1591 memcpy(ea, iface_ea, ETH_ADDR_LEN);
1592 *hw_addr_iface = iface;
1597 VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT,
1598 br->name, ETH_ADDR_ARGS(ea));
1600 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
1601 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1602 *hw_addr_iface = NULL;
1603 VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet "
1604 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1607 hmapx_destroy(&mirror_output_ports);
1610 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1611 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1612 * an interface on 'br', then that interface must be passed in as
1613 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1614 * 'hw_addr_iface' must be passed in as a null pointer. */
1616 bridge_pick_datapath_id(struct bridge *br,
1617 const uint8_t bridge_ea[ETH_ADDR_LEN],
1618 struct iface *hw_addr_iface)
1621 * The procedure for choosing a bridge MAC address will, in the most
1622 * ordinary case, also choose a unique MAC that we can use as a datapath
1623 * ID. In some special cases, though, multiple bridges will end up with
1624 * the same MAC address. This is OK for the bridges, but it will confuse
1625 * the OpenFlow controller, because each datapath needs a unique datapath
1628 * Datapath IDs must be unique. It is also very desirable that they be
1629 * stable from one run to the next, so that policy set on a datapath
1632 const char *datapath_id;
1635 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
1636 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
1640 if (!hw_addr_iface) {
1642 * A purely internal bridge, that is, one that has no non-virtual
1643 * network devices on it at all, is difficult because it has no
1644 * natural unique identifier at all.
1646 * When the host is a XenServer, we handle this case by hashing the
1647 * host's UUID with the name of the bridge. Names of bridges are
1648 * persistent across XenServer reboots, although they can be reused if
1649 * an internal network is destroyed and then a new one is later
1650 * created, so this is fairly effective.
1652 * When the host is not a XenServer, we punt by using a random MAC
1653 * address on each run.
1655 const char *host_uuid = xenserver_get_host_uuid();
1657 char *combined = xasprintf("%s,%s", host_uuid, br->name);
1658 dpid = dpid_from_hash(combined, strlen(combined));
1664 return eth_addr_to_uint64(bridge_ea);
1668 dpid_from_hash(const void *data, size_t n)
1670 uint8_t hash[SHA1_DIGEST_SIZE];
1672 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
1673 sha1_bytes(data, n, hash);
1674 eth_addr_mark_random(hash);
1675 return eth_addr_to_uint64(hash);
1679 iface_refresh_status(struct iface *iface)
1683 enum netdev_features current;
1689 if (iface_is_synthetic(iface)) {
1695 if (!netdev_get_drv_info(iface->netdev, &smap)) {
1696 ovsrec_interface_set_status(iface->cfg, &smap);
1698 ovsrec_interface_set_status(iface->cfg, NULL);
1701 smap_destroy(&smap);
1703 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1705 ovsrec_interface_set_duplex(iface->cfg,
1706 netdev_features_is_full_duplex(current)
1708 /* warning: uint64_t -> int64_t conversion */
1709 bps = netdev_features_to_bps(current);
1710 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
1713 ovsrec_interface_set_duplex(iface->cfg, NULL);
1714 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
1717 error = netdev_get_mtu(iface->netdev, &mtu);
1720 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
1723 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
1727 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1730 iface_refresh_cfm_stats(struct iface *iface)
1732 const struct ovsrec_interface *cfg = iface->cfg;
1733 int fault, opup, error;
1734 const uint64_t *rmps;
1738 fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
1741 const char *reasons[CFM_FAULT_N_REASONS];
1742 bool fault_bool = fault;
1746 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1747 int reason = 1 << i;
1748 if (fault & reason) {
1749 reasons[j++] = cfm_fault_reason_to_str(reason);
1753 ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
1754 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1756 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1757 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1760 opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto,
1763 ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down");
1765 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1768 error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
1769 iface->ofp_port, &rmps, &n_rmps);
1771 ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps,
1774 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1777 health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
1780 int64_t cfm_health = health;
1781 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1783 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1788 iface_refresh_stats(struct iface *iface)
1790 #define IFACE_STATS \
1791 IFACE_STAT(rx_packets, "rx_packets") \
1792 IFACE_STAT(tx_packets, "tx_packets") \
1793 IFACE_STAT(rx_bytes, "rx_bytes") \
1794 IFACE_STAT(tx_bytes, "tx_bytes") \
1795 IFACE_STAT(rx_dropped, "rx_dropped") \
1796 IFACE_STAT(tx_dropped, "tx_dropped") \
1797 IFACE_STAT(rx_errors, "rx_errors") \
1798 IFACE_STAT(tx_errors, "tx_errors") \
1799 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1800 IFACE_STAT(rx_over_errors, "rx_over_err") \
1801 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1802 IFACE_STAT(collisions, "collisions")
1804 #define IFACE_STAT(MEMBER, NAME) NAME,
1805 static char *keys[] = { IFACE_STATS };
1807 int64_t values[ARRAY_SIZE(keys)];
1810 struct netdev_stats stats;
1812 if (iface_is_synthetic(iface)) {
1816 /* Intentionally ignore return value, since errors will set 'stats' to
1817 * all-1s, and we will deal with that correctly below. */
1818 netdev_get_stats(iface->netdev, &stats);
1820 /* Copy statistics into values[] array. */
1822 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1825 assert(i == ARRAY_SIZE(keys));
1827 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1833 br_refresh_stp_status(struct bridge *br)
1835 struct smap smap = SMAP_INITIALIZER(&smap);
1836 struct ofproto *ofproto = br->ofproto;
1837 struct ofproto_stp_status status;
1839 if (ofproto_get_stp_status(ofproto, &status)) {
1843 if (!status.enabled) {
1844 ovsrec_bridge_set_status(br->cfg, NULL);
1848 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1849 STP_ID_ARGS(status.bridge_id));
1850 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1851 STP_ID_ARGS(status.designated_root));
1852 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
1854 ovsrec_bridge_set_status(br->cfg, &smap);
1855 smap_destroy(&smap);
1859 port_refresh_stp_status(struct port *port)
1861 struct ofproto *ofproto = port->bridge->ofproto;
1862 struct iface *iface;
1863 struct ofproto_port_stp_status status;
1865 int64_t int_values[3];
1868 if (port_is_synthetic(port)) {
1872 /* STP doesn't currently support bonds. */
1873 if (!list_is_singleton(&port->ifaces)) {
1874 ovsrec_port_set_status(port->cfg, NULL);
1878 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1880 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1884 if (!status.enabled) {
1885 ovsrec_port_set_status(port->cfg, NULL);
1886 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
1890 /* Set Status column. */
1892 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1893 smap_add(&smap, "stp_state", stp_state_name(status.state));
1894 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1895 smap_add(&smap, "stp_role", stp_role_name(status.role));
1896 ovsrec_port_set_status(port->cfg, &smap);
1897 smap_destroy(&smap);
1899 /* Set Statistics column. */
1900 keys[0] = "stp_tx_count";
1901 int_values[0] = status.tx_count;
1902 keys[1] = "stp_rx_count";
1903 int_values[1] = status.rx_count;
1904 keys[2] = "stp_error_count";
1905 int_values[2] = status.error_count;
1907 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1908 ARRAY_SIZE(int_values));
1912 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1914 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
1918 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
1920 bool enable = enable_system_stats(cfg);
1922 system_stats_enable(enable);
1924 ovsrec_open_vswitch_set_statistics(cfg, NULL);
1929 run_system_stats(void)
1931 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1934 stats = system_stats_run();
1936 struct ovsdb_idl_txn *txn;
1937 struct ovsdb_datum datum;
1939 txn = ovsdb_idl_txn_create(idl);
1940 ovsdb_datum_from_smap(&datum, stats);
1941 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1943 ovsdb_idl_txn_commit(txn);
1944 ovsdb_idl_txn_destroy(txn);
1950 static inline const char *
1951 nx_role_to_str(enum nx_role role)
1956 case NX_ROLE_MASTER:
1961 return "*** INVALID ROLE ***";
1966 refresh_controller_status(void)
1970 const struct ovsrec_controller *cfg;
1974 /* Accumulate status for controllers on all bridges. */
1975 HMAP_FOR_EACH (br, node, &all_bridges) {
1976 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1979 /* Update each controller in the database with current status. */
1980 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
1981 struct ofproto_controller_info *cinfo =
1982 shash_find_data(&info, cfg->target);
1985 struct smap smap = SMAP_INITIALIZER(&smap);
1986 const char **values = cinfo->pairs.values;
1987 const char **keys = cinfo->pairs.keys;
1990 for (i = 0; i < cinfo->pairs.n; i++) {
1991 smap_add(&smap, keys[i], values[i]);
1994 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
1995 ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
1996 ovsrec_controller_set_status(cfg, &smap);
1997 smap_destroy(&smap);
1999 ovsrec_controller_set_is_connected(cfg, false);
2000 ovsrec_controller_set_role(cfg, NULL);
2001 ovsrec_controller_set_status(cfg, NULL);
2005 ofproto_free_ofproto_controller_info(&info);
2009 refresh_instant_stats(void)
2011 static struct ovsdb_idl_txn *txn = NULL;
2016 txn = ovsdb_idl_txn_create(idl);
2018 HMAP_FOR_EACH (br, node, &all_bridges) {
2019 struct iface *iface;
2022 br_refresh_stp_status(br);
2024 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2025 port_refresh_stp_status(port);
2028 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
2029 enum netdev_flags flags;
2030 const char *link_state;
2031 int64_t link_resets;
2034 if (iface_is_synthetic(iface)) {
2038 current = ofproto_port_is_lacp_current(br->ofproto,
2042 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2044 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2047 error = netdev_get_flags(iface->netdev, &flags);
2049 const char *state = flags & NETDEV_UP ? "up" : "down";
2050 ovsrec_interface_set_admin_state(iface->cfg, state);
2052 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2055 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2056 ovsrec_interface_set_link_state(iface->cfg, link_state);
2058 link_resets = netdev_get_carrier_resets(iface->netdev);
2059 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2061 iface_refresh_cfm_stats(iface);
2066 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2067 ovsdb_idl_txn_destroy(txn);
2072 /* Performs periodic activity required by bridges that needs to be done with
2073 * the least possible latency.
2075 * It makes sense to call this function a couple of times per poll loop, to
2076 * provide a significant performance boost on some benchmarks with ofprotos
2077 * that use the ofproto-dpif implementation. */
2079 bridge_run_fast(void)
2086 ofproto_enumerate_types(&types);
2087 SSET_FOR_EACH (type, &types) {
2088 ofproto_type_run_fast(type);
2090 sset_destroy(&types);
2092 HMAP_FOR_EACH (br, node, &all_bridges) {
2093 ofproto_run_fast(br->ofproto);
2100 static const struct ovsrec_open_vswitch null_cfg;
2101 const struct ovsrec_open_vswitch *cfg;
2102 struct ovsdb_idl_txn *reconf_txn = NULL;
2106 bool vlan_splinters_changed;
2109 ovsrec_open_vswitch_init((struct ovsrec_open_vswitch *) &null_cfg);
2111 /* (Re)configure if necessary. */
2112 if (!reconfiguring) {
2115 if (ovsdb_idl_is_lock_contended(idl)) {
2116 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2117 struct bridge *br, *next_br;
2119 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2120 "disabling this process until it goes away");
2122 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2126 } else if (!ovsdb_idl_has_lock(idl)) {
2130 cfg = ovsrec_open_vswitch_first(idl);
2132 /* Initialize the ofproto library. This only needs to run once, but
2133 * it must be done after the configuration is set. If the
2134 * initialization has already occurred, bridge_init_ofproto()
2135 * returns immediately. */
2136 bridge_init_ofproto(cfg);
2138 /* Let each datapath type do the work that it needs to do. */
2140 ofproto_enumerate_types(&types);
2141 SSET_FOR_EACH (type, &types) {
2142 ofproto_type_run(type);
2144 sset_destroy(&types);
2146 /* Let each bridge do the work that it needs to do. */
2147 HMAP_FOR_EACH (br, node, &all_bridges) {
2148 ofproto_run(br->ofproto);
2151 /* Re-configure SSL. We do this on every trip through the main loop,
2152 * instead of just when the database changes, because the contents of the
2153 * key and certificate files can change without the database changing.
2155 * We do this before bridge_reconfigure() because that function might
2156 * initiate SSL connections and thus requires SSL to be configured. */
2157 if (cfg && cfg->ssl) {
2158 const struct ovsrec_ssl *ssl = cfg->ssl;
2160 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2161 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2164 if (!reconfiguring) {
2165 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2166 * usage has changed. */
2167 vlan_splinters_changed = false;
2168 if (vlan_splinters_enabled_anywhere) {
2169 HMAP_FOR_EACH (br, node, &all_bridges) {
2170 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2171 vlan_splinters_changed = true;
2177 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2178 idl_seqno = ovsdb_idl_get_seqno(idl);
2180 reconf_txn = ovsdb_idl_txn_create(idl);
2181 bridge_reconfigure(cfg);
2183 /* We still need to reconfigure to avoid dangling pointers to
2184 * now-destroyed ovsrec structures inside bridge data. */
2185 bridge_reconfigure(&null_cfg);
2190 if (reconfiguring) {
2193 reconf_txn = ovsdb_idl_txn_create(idl);
2195 if (bridge_reconfigure_continue(cfg)) {
2196 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2199 bridge_reconfigure_continue(&null_cfg);
2204 ovsdb_idl_txn_commit(reconf_txn);
2205 ovsdb_idl_txn_destroy(reconf_txn);
2209 /* Refresh interface and mirror stats if necessary. */
2210 if (time_msec() >= iface_stats_timer) {
2212 struct ovsdb_idl_txn *txn;
2214 txn = ovsdb_idl_txn_create(idl);
2215 HMAP_FOR_EACH (br, node, &all_bridges) {
2219 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2220 struct iface *iface;
2222 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2223 iface_refresh_stats(iface);
2224 iface_refresh_status(iface);
2228 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2229 mirror_refresh_stats(m);
2233 refresh_controller_status();
2234 ovsdb_idl_txn_commit(txn);
2235 ovsdb_idl_txn_destroy(txn); /* XXX */
2238 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
2242 refresh_instant_stats();
2251 ovsdb_idl_wait(idl);
2253 if (reconfiguring) {
2254 poll_immediate_wake();
2258 ofproto_enumerate_types(&types);
2259 SSET_FOR_EACH (type, &types) {
2260 ofproto_type_wait(type);
2262 sset_destroy(&types);
2264 if (!hmap_is_empty(&all_bridges)) {
2267 HMAP_FOR_EACH (br, node, &all_bridges) {
2268 ofproto_wait(br->ofproto);
2270 poll_timer_wait_until(iface_stats_timer);
2273 system_stats_wait();
2276 /* Adds some memory usage statistics for bridges into 'usage', for use with
2277 * memory_report(). */
2279 bridge_get_memory_usage(struct simap *usage)
2283 HMAP_FOR_EACH (br, node, &all_bridges) {
2284 ofproto_get_memory_usage(br->ofproto, usage);
2288 /* QoS unixctl user interface functions. */
2290 struct qos_unixctl_show_cbdata {
2292 struct iface *iface;
2296 qos_unixctl_show_cb(unsigned int queue_id,
2297 const struct smap *details,
2300 struct qos_unixctl_show_cbdata *data = aux;
2301 struct ds *ds = data->ds;
2302 struct iface *iface = data->iface;
2303 struct netdev_queue_stats stats;
2304 struct smap_node *node;
2307 ds_put_cstr(ds, "\n");
2309 ds_put_format(ds, "Queue %u:\n", queue_id);
2311 ds_put_cstr(ds, "Default:\n");
2314 SMAP_FOR_EACH (node, details) {
2315 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2318 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2320 if (stats.tx_packets != UINT64_MAX) {
2321 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2324 if (stats.tx_bytes != UINT64_MAX) {
2325 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2328 if (stats.tx_errors != UINT64_MAX) {
2329 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2332 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2333 queue_id, strerror(error));
2338 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2339 const char *argv[], void *aux OVS_UNUSED)
2341 struct ds ds = DS_EMPTY_INITIALIZER;
2342 struct smap smap = SMAP_INITIALIZER(&smap);
2343 struct iface *iface;
2345 struct smap_node *node;
2346 struct qos_unixctl_show_cbdata data;
2349 iface = iface_find(argv[1]);
2351 unixctl_command_reply_error(conn, "no such interface");
2355 netdev_get_qos(iface->netdev, &type, &smap);
2357 if (*type != '\0') {
2358 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2360 SMAP_FOR_EACH (node, &smap) {
2361 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2366 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2369 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2371 unixctl_command_reply(conn, ds_cstr(&ds));
2373 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2374 unixctl_command_reply_error(conn, ds_cstr(&ds));
2377 smap_destroy(&smap);
2381 /* Bridge reconfiguration functions. */
2383 bridge_create(const struct ovsrec_bridge *br_cfg)
2387 assert(!bridge_lookup(br_cfg->name));
2388 br = xzalloc(sizeof *br);
2390 br->name = xstrdup(br_cfg->name);
2391 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2394 /* Derive the default Ethernet address from the bridge's UUID. This should
2395 * be unique and it will be stable between ovs-vswitchd runs. */
2396 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2397 eth_addr_mark_random(br->default_ea);
2399 hmap_init(&br->ports);
2400 hmap_init(&br->ifaces);
2401 hmap_init(&br->iface_by_name);
2402 hmap_init(&br->mirrors);
2404 hmap_init(&br->if_cfg_todo);
2405 list_init(&br->ofpp_garbage);
2407 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
2411 bridge_destroy(struct bridge *br)
2414 struct mirror *mirror, *next_mirror;
2415 struct port *port, *next_port;
2416 struct if_cfg *if_cfg, *next_if_cfg;
2417 struct ofpp_garbage *garbage, *next_garbage;
2419 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
2422 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2423 mirror_destroy(mirror);
2425 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2426 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2429 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2430 &br->ofpp_garbage) {
2431 list_remove(&garbage->list_node);
2435 hmap_remove(&all_bridges, &br->node);
2436 ofproto_destroy(br->ofproto);
2437 hmap_destroy(&br->ifaces);
2438 hmap_destroy(&br->ports);
2439 hmap_destroy(&br->iface_by_name);
2440 hmap_destroy(&br->mirrors);
2441 hmap_destroy(&br->if_cfg_todo);
2448 static struct bridge *
2449 bridge_lookup(const char *name)
2453 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
2454 if (!strcmp(br->name, name)) {
2461 /* Handle requests for a listing of all flows known by the OpenFlow
2462 * stack, including those normally hidden. */
2464 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2465 const char *argv[], void *aux OVS_UNUSED)
2470 br = bridge_lookup(argv[1]);
2472 unixctl_command_reply_error(conn, "Unknown bridge");
2477 ofproto_get_all_flows(br->ofproto, &results);
2479 unixctl_command_reply(conn, ds_cstr(&results));
2480 ds_destroy(&results);
2483 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2484 * connections and reconnect. If BRIDGE is not specified, then all bridges
2485 * drop their controller connections and reconnect. */
2487 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2488 const char *argv[], void *aux OVS_UNUSED)
2492 br = bridge_lookup(argv[1]);
2494 unixctl_command_reply_error(conn, "Unknown bridge");
2497 ofproto_reconnect_controllers(br->ofproto);
2499 HMAP_FOR_EACH (br, node, &all_bridges) {
2500 ofproto_reconnect_controllers(br->ofproto);
2503 unixctl_command_reply(conn, NULL);
2507 bridge_get_controllers(const struct bridge *br,
2508 struct ovsrec_controller ***controllersp)
2510 struct ovsrec_controller **controllers;
2511 size_t n_controllers;
2513 controllers = br->cfg->controller;
2514 n_controllers = br->cfg->n_controller;
2516 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2522 *controllersp = controllers;
2524 return n_controllers;
2528 bridge_queue_if_cfg(struct bridge *br,
2529 const struct ovsrec_interface *cfg,
2530 const struct ovsrec_port *parent)
2532 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2535 if_cfg->parent = parent;
2536 if_cfg->ofport = cfg->n_ofport_request ? *cfg->ofport_request : OFPP_NONE;
2537 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2538 hash_string(if_cfg->cfg->name, 0));
2541 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2542 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2543 * 'br' needs to complete its configuration. */
2545 bridge_add_del_ports(struct bridge *br,
2546 const unsigned long int *splinter_vlans)
2548 struct shash_node *port_node;
2549 struct port *port, *next;
2550 struct shash new_ports;
2553 assert(hmap_is_empty(&br->if_cfg_todo));
2555 /* Collect new ports. */
2556 shash_init(&new_ports);
2557 for (i = 0; i < br->cfg->n_ports; i++) {
2558 const char *name = br->cfg->ports[i]->name;
2559 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2560 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2564 if (bridge_get_controllers(br, NULL)
2565 && !shash_find(&new_ports, br->name)) {
2566 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2567 br->name, br->name);
2569 ovsrec_interface_init(&br->synth_local_iface);
2570 ovsrec_port_init(&br->synth_local_port);
2572 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2573 br->synth_local_port.n_interfaces = 1;
2574 br->synth_local_port.name = br->name;
2576 br->synth_local_iface.name = br->name;
2577 br->synth_local_iface.type = "internal";
2579 br->synth_local_ifacep = &br->synth_local_iface;
2581 shash_add(&new_ports, br->name, &br->synth_local_port);
2584 if (splinter_vlans) {
2585 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2588 /* Get rid of deleted ports.
2589 * Get rid of deleted interfaces on ports that still exist. */
2590 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
2591 port->cfg = shash_find_data(&new_ports, port->name);
2595 port_del_ifaces(port);
2599 /* Update iface->cfg and iface->type in interfaces that still exist.
2600 * Add new interfaces to creation queue. */
2601 SHASH_FOR_EACH (port_node, &new_ports) {
2602 const struct ovsrec_port *port = port_node->data;
2605 for (i = 0; i < port->n_interfaces; i++) {
2606 const struct ovsrec_interface *cfg = port->interfaces[i];
2607 struct iface *iface = iface_lookup(br, cfg->name);
2608 const char *type = iface_get_type(cfg, br->cfg);
2613 } else if (!strcmp(type, "null")) {
2614 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2615 " may be removed in February 2013. Please email"
2616 " dev@openvswitch.org with concerns.",
2619 bridge_queue_if_cfg(br, cfg, port);
2624 shash_destroy(&new_ports);
2627 /* Initializes 'oc' appropriately as a management service controller for
2630 * The caller must free oc->target when it is no longer needed. */
2632 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2633 struct ofproto_controller *oc)
2635 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
2636 oc->max_backoff = 0;
2637 oc->probe_interval = 60;
2638 oc->band = OFPROTO_OUT_OF_BAND;
2640 oc->burst_limit = 0;
2641 oc->enable_async_msgs = true;
2644 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2646 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2647 struct ofproto_controller *oc)
2651 oc->target = c->target;
2652 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2653 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2654 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2655 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
2656 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2657 oc->burst_limit = (c->controller_burst_limit
2658 ? *c->controller_burst_limit : 0);
2659 oc->enable_async_msgs = (!c->enable_async_messages
2660 || *c->enable_async_messages);
2661 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2662 if (dscp < 0 || dscp > 63) {
2663 dscp = DSCP_DEFAULT;
2668 /* Configures the IP stack for 'br''s local interface properly according to the
2669 * configuration in 'c'. */
2671 bridge_configure_local_iface_netdev(struct bridge *br,
2672 struct ovsrec_controller *c)
2674 struct netdev *netdev;
2675 struct in_addr mask, gateway;
2677 struct iface *local_iface;
2680 /* If there's no local interface or no IP address, give up. */
2681 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
2682 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2686 /* Bring up the local interface. */
2687 netdev = local_iface->netdev;
2688 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2690 /* Configure the IP address and netmask. */
2691 if (!c->local_netmask
2692 || !inet_aton(c->local_netmask, &mask)
2694 mask.s_addr = guess_netmask(ip.s_addr);
2696 if (!netdev_set_in4(netdev, ip, mask)) {
2697 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
2698 br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr));
2701 /* Configure the default gateway. */
2702 if (c->local_gateway
2703 && inet_aton(c->local_gateway, &gateway)
2704 && gateway.s_addr) {
2705 if (!netdev_add_router(netdev, gateway)) {
2706 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
2707 br->name, IP_ARGS(&gateway.s_addr));
2712 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2713 * in either string are treated as equal to any number of slashes in the other,
2714 * e.g. "x///y" is equal to "x/y". */
2716 equal_pathnames(const char *a, const char *b)
2720 a += strspn(a, "/");
2721 b += strspn(b, "/");
2722 } else if (*a == '\0') {
2733 bridge_configure_remotes(struct bridge *br,
2734 const struct sockaddr_in *managers, size_t n_managers)
2736 bool disable_in_band;
2738 struct ovsrec_controller **controllers;
2739 size_t n_controllers;
2741 enum ofproto_fail_mode fail_mode;
2743 struct ofproto_controller *ocs;
2747 /* Check if we should disable in-band control on this bridge. */
2748 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2751 /* Set OpenFlow queue ID for in-band control. */
2752 ofproto_set_in_band_queue(br->ofproto,
2753 smap_get_int(&br->cfg->other_config,
2754 "in-band-queue", -1));
2756 if (disable_in_band) {
2757 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2759 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2762 n_controllers = bridge_get_controllers(br, &controllers);
2764 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2767 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2768 for (i = 0; i < n_controllers; i++) {
2769 struct ovsrec_controller *c = controllers[i];
2771 if (!strncmp(c->target, "punix:", 6)
2772 || !strncmp(c->target, "unix:", 5)) {
2773 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2776 whitelist = xasprintf("unix:%s/%s.controller",
2777 ovs_rundir(), br->name);
2778 if (!equal_pathnames(c->target, whitelist)) {
2779 /* Prevent remote ovsdb-server users from accessing arbitrary
2780 * Unix domain sockets and overwriting arbitrary local
2782 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2783 "controller \"%s\" due to possibility for remote "
2784 "exploit. Instead, specify whitelisted \"%s\" or "
2785 "connect to \"unix:%s/%s.mgmt\" (which is always "
2786 "available without special configuration).",
2787 br->name, c->target, whitelist,
2788 ovs_rundir(), br->name);
2796 bridge_configure_local_iface_netdev(br, c);
2797 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2798 if (disable_in_band) {
2799 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
2804 ofproto_set_controllers(br->ofproto, ocs, n_ocs);
2805 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2808 /* Set the fail-mode. */
2809 fail_mode = !br->cfg->fail_mode
2810 || !strcmp(br->cfg->fail_mode, "standalone")
2811 ? OFPROTO_FAIL_STANDALONE
2812 : OFPROTO_FAIL_SECURE;
2813 ofproto_set_fail_mode(br->ofproto, fail_mode);
2815 /* Configure OpenFlow controller connection snooping. */
2816 if (!ofproto_has_snoops(br->ofproto)) {
2820 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2821 ovs_rundir(), br->name));
2822 ofproto_set_snoops(br->ofproto, &snoops);
2823 sset_destroy(&snoops);
2828 bridge_configure_tables(struct bridge *br)
2830 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2834 n_tables = ofproto_get_n_tables(br->ofproto);
2836 for (i = 0; i < n_tables; i++) {
2837 struct ofproto_table_settings s;
2840 s.max_flows = UINT_MAX;
2844 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2845 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2848 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2849 s.max_flows = *cfg->flow_limit;
2851 if (cfg->overflow_policy
2852 && !strcmp(cfg->overflow_policy, "evict")) {
2855 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2856 for (k = 0; k < cfg->n_groups; k++) {
2857 const char *string = cfg->groups[k];
2860 msg = mf_parse_subfield__(&s.groups[k], &string);
2862 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2863 "'groups' (%s)", br->name, i, msg);
2865 } else if (*string) {
2866 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2867 "element '%s' contains trailing garbage",
2868 br->name, i, cfg->groups[k]);
2876 ofproto_configure_table(br->ofproto, i, &s);
2880 for (; j < br->cfg->n_flow_tables; j++) {
2881 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2882 "%"PRId64" not supported by this datapath", br->name,
2883 br->cfg->key_flow_tables[j]);
2887 /* Port functions. */
2889 static struct port *
2890 port_create(struct bridge *br, const struct ovsrec_port *cfg)
2894 port = xzalloc(sizeof *port);
2896 port->name = xstrdup(cfg->name);
2898 list_init(&port->ifaces);
2900 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
2904 /* Deletes interfaces from 'port' that are no longer configured for it. */
2906 port_del_ifaces(struct port *port)
2908 struct iface *iface, *next;
2909 struct sset new_ifaces;
2912 /* Collect list of new interfaces. */
2913 sset_init(&new_ifaces);
2914 for (i = 0; i < port->cfg->n_interfaces; i++) {
2915 const char *name = port->cfg->interfaces[i]->name;
2916 const char *type = port->cfg->interfaces[i]->type;
2917 if (strcmp(type, "null")) {
2918 sset_add(&new_ifaces, name);
2922 /* Get rid of deleted interfaces. */
2923 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2924 if (!sset_contains(&new_ifaces, iface->name)) {
2925 iface_destroy(iface);
2929 sset_destroy(&new_ifaces);
2933 port_destroy(struct port *port)
2936 struct bridge *br = port->bridge;
2937 struct iface *iface, *next;
2940 ofproto_bundle_unregister(br->ofproto, port);
2943 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2944 iface_destroy(iface);
2947 hmap_remove(&br->ports, &port->hmap_node);
2953 static struct port *
2954 port_lookup(const struct bridge *br, const char *name)
2958 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
2960 if (!strcmp(port->name, name)) {
2968 enable_lacp(struct port *port, bool *activep)
2970 if (!port->cfg->lacp) {
2971 /* XXX when LACP implementation has been sufficiently tested, enable by
2972 * default and make active on bonded ports. */
2974 } else if (!strcmp(port->cfg->lacp, "off")) {
2976 } else if (!strcmp(port->cfg->lacp, "active")) {
2979 } else if (!strcmp(port->cfg->lacp, "passive")) {
2983 VLOG_WARN("port %s: unknown LACP mode %s",
2984 port->name, port->cfg->lacp);
2989 static struct lacp_settings *
2990 port_configure_lacp(struct port *port, struct lacp_settings *s)
2992 const char *lacp_time, *system_id;
2995 if (!enable_lacp(port, &s->active)) {
2999 s->name = port->name;
3001 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
3003 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3004 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3005 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3006 " address.", port->name, system_id);
3010 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3013 if (eth_addr_is_zero(s->id)) {
3014 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3018 /* Prefer bondable links if unspecified. */
3019 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3021 s->priority = (priority > 0 && priority <= UINT16_MAX
3023 : UINT16_MAX - !list_is_short(&port->ifaces));
3025 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3026 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3031 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3033 int priority, portid, key;
3035 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3036 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3038 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3040 if (portid <= 0 || portid > UINT16_MAX) {
3041 portid = iface->ofp_port;
3044 if (priority <= 0 || priority > UINT16_MAX) {
3045 priority = UINT16_MAX;
3048 if (key < 0 || key > UINT16_MAX) {
3052 s->name = iface->name;
3054 s->priority = priority;
3059 port_configure_bond(struct port *port, struct bond_settings *s,
3060 uint32_t *bond_stable_ids)
3062 const char *detect_s;
3063 struct iface *iface;
3064 int miimon_interval;
3067 s->name = port->name;
3069 if (port->cfg->bond_mode) {
3070 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3071 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3072 port->name, port->cfg->bond_mode,
3073 bond_mode_to_string(s->balance));
3076 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3078 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3079 * active-backup. At some point we should remove this warning. */
3080 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3081 " in previous versions, the default bond_mode was"
3082 " balance-slb", port->name,
3083 bond_mode_to_string(s->balance));
3085 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3086 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3087 "please use another bond type or disable flood_vlans",
3091 miimon_interval = smap_get_int(&port->cfg->other_config,
3092 "bond-miimon-interval", 0);
3093 if (miimon_interval <= 0) {
3094 miimon_interval = 200;
3097 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3098 if (!detect_s || !strcmp(detect_s, "carrier")) {
3099 miimon_interval = 0;
3100 } else if (strcmp(detect_s, "miimon")) {
3101 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3102 "defaulting to carrier", port->name, detect_s);
3103 miimon_interval = 0;
3106 s->up_delay = MAX(0, port->cfg->bond_updelay);
3107 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3108 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3109 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3110 "bond-rebalance-interval", 10000);
3111 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3112 s->rebalance_interval = 1000;
3115 s->fake_iface = port->cfg->bond_fake_iface;
3118 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3119 long long stable_id;
3121 stable_id = smap_get_int(&iface->cfg->other_config, "bond-stable-id",
3123 if (stable_id <= 0 || stable_id >= UINT32_MAX) {
3124 stable_id = iface->ofp_port;
3126 bond_stable_ids[i++] = stable_id;
3128 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3132 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3133 * instead of obtaining it from the database. */
3135 port_is_synthetic(const struct port *port)
3137 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3140 /* Interface functions. */
3142 /* Returns the correct network device type for interface 'iface' in bridge
3145 iface_get_type(const struct ovsrec_interface *iface,
3146 const struct ovsrec_bridge *br)
3148 /* The local port always has type "internal". Other ports take their type
3149 * from the database and default to "system" if none is specified. */
3150 return (!strcmp(iface->name, br->name) ? "internal"
3151 : iface->type[0] ? iface->type
3156 iface_destroy(struct iface *iface)
3159 struct port *port = iface->port;
3160 struct bridge *br = port->bridge;
3162 if (br->ofproto && iface->ofp_port >= 0) {
3163 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3166 if (iface->ofp_port >= 0) {
3167 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3170 list_remove(&iface->port_elem);
3171 hmap_remove(&br->iface_by_name, &iface->name_node);
3173 netdev_close(iface->netdev);
3180 static struct iface *
3181 iface_lookup(const struct bridge *br, const char *name)
3183 struct iface *iface;
3185 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3186 &br->iface_by_name) {
3187 if (!strcmp(iface->name, name)) {
3195 static struct iface *
3196 iface_find(const char *name)
3198 const struct bridge *br;
3200 HMAP_FOR_EACH (br, node, &all_bridges) {
3201 struct iface *iface = iface_lookup(br, name);
3210 static struct if_cfg *
3211 if_cfg_lookup(const struct bridge *br, const char *name)
3213 struct if_cfg *if_cfg;
3215 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3217 if (!strcmp(if_cfg->cfg->name, name)) {
3225 static struct iface *
3226 iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
3228 struct iface *iface;
3230 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3231 hash_int(ofp_port, 0), &br->ifaces) {
3232 if (iface->ofp_port == ofp_port) {
3239 /* Set Ethernet address of 'iface', if one is specified in the configuration
3242 iface_set_mac(struct iface *iface)
3244 uint8_t ea[ETH_ADDR_LEN];
3246 if (!strcmp(iface->type, "internal")
3247 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3248 if (iface->ofp_port == OFPP_LOCAL) {
3249 VLOG_ERR("interface %s: ignoring mac in Interface record "
3250 "(use Bridge record to set local port's mac)",
3252 } else if (eth_addr_is_multicast(ea)) {
3253 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3256 int error = netdev_set_etheraddr(iface->netdev, ea);
3258 VLOG_ERR("interface %s: setting MAC failed (%s)",
3259 iface->name, strerror(error));
3265 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3267 iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3269 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3270 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3274 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3275 * sets the "ofport" field to -1.
3277 * This is appropriate when 'if_cfg''s interface cannot be created or is
3278 * otherwise invalid. */
3280 iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3282 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3283 iface_set_ofport(if_cfg, -1);
3284 ovsrec_interface_set_status(if_cfg, NULL);
3285 ovsrec_interface_set_admin_state(if_cfg, NULL);
3286 ovsrec_interface_set_duplex(if_cfg, NULL);
3287 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3288 ovsrec_interface_set_link_state(if_cfg, NULL);
3289 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3290 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3291 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3292 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3293 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3294 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3298 struct iface_delete_queues_cbdata {
3299 struct netdev *netdev;
3300 const struct ovsdb_datum *queues;
3304 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3306 union ovsdb_atom atom;
3308 atom.integer = target;
3309 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
3313 iface_delete_queues(unsigned int queue_id,
3314 const struct smap *details OVS_UNUSED, void *cbdata_)
3316 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3318 if (!queue_ids_include(cbdata->queues, queue_id)) {
3319 netdev_delete_queue(cbdata->netdev, queue_id);
3324 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
3326 struct ofpbuf queues_buf;
3328 ofpbuf_init(&queues_buf, 0);
3330 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
3331 netdev_set_qos(iface->netdev, NULL, NULL);
3333 struct iface_delete_queues_cbdata cbdata;
3337 /* Configure top-level Qos for 'iface'. */
3338 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
3340 /* Deconfigure queues that were deleted. */
3341 cbdata.netdev = iface->netdev;
3342 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3344 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3346 /* Configure queues for 'iface'. */
3348 for (i = 0; i < qos->n_queues; i++) {
3349 const struct ovsrec_queue *queue = qos->value_queues[i];
3350 unsigned int queue_id = qos->key_queues[i];
3352 if (queue_id == 0) {
3356 if (queue->n_dscp == 1) {
3357 struct ofproto_port_queue *port_queue;
3359 port_queue = ofpbuf_put_uninit(&queues_buf,
3360 sizeof *port_queue);
3361 port_queue->queue = queue_id;
3362 port_queue->dscp = queue->dscp[0];
3365 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
3368 struct smap details;
3370 smap_init(&details);
3371 netdev_set_queue(iface->netdev, 0, &details);
3372 smap_destroy(&details);
3376 if (iface->ofp_port >= 0) {
3377 const struct ofproto_port_queue *port_queues = queues_buf.data;
3378 size_t n_queues = queues_buf.size / sizeof *port_queues;
3380 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3381 port_queues, n_queues);
3384 netdev_set_policing(iface->netdev,
3385 iface->cfg->ingress_policing_rate,
3386 iface->cfg->ingress_policing_burst);
3388 ofpbuf_uninit(&queues_buf);
3392 iface_configure_cfm(struct iface *iface)
3394 const struct ovsrec_interface *cfg = iface->cfg;
3395 const char *opstate_str;
3396 const char *cfm_ccm_vlan;
3397 struct cfm_settings s;
3398 struct smap netdev_args;
3400 if (!cfg->n_cfm_mpid) {
3401 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
3405 s.check_tnl_key = false;
3406 smap_init(&netdev_args);
3407 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3408 const char *key = smap_get(&netdev_args, "key");
3409 const char *in_key = smap_get(&netdev_args, "in_key");
3411 s.check_tnl_key = (key && !strcmp(key, "flow"))
3412 || (in_key && !strcmp(in_key, "flow"));
3414 smap_destroy(&netdev_args);
3416 s.mpid = *cfg->cfm_mpid;
3417 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3418 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3419 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3421 if (s.interval <= 0) {
3425 if (!cfm_ccm_vlan) {
3427 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
3428 s.ccm_vlan = CFM_RANDOM_VLAN;
3430 s.ccm_vlan = atoi(cfm_ccm_vlan);
3431 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3436 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3439 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3440 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
3442 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
3445 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3446 * instead of obtaining it from the database. */
3448 iface_is_synthetic(const struct iface *iface)
3450 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3454 /* Port mirroring. */
3456 static struct mirror *
3457 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3461 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3462 if (uuid_equals(uuid, &m->uuid)) {
3470 bridge_configure_mirrors(struct bridge *br)
3472 const struct ovsdb_datum *mc;
3473 unsigned long *flood_vlans;
3474 struct mirror *m, *next;
3477 /* Get rid of deleted mirrors. */
3478 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3479 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3480 union ovsdb_atom atom;
3482 atom.uuid = m->uuid;
3483 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3488 /* Add new mirrors and reconfigure existing ones. */
3489 for (i = 0; i < br->cfg->n_mirrors; i++) {
3490 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
3491 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
3493 m = mirror_create(br, cfg);
3496 if (!mirror_configure(m)) {
3501 /* Update flooded vlans (for RSPAN). */
3502 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3503 br->cfg->n_flood_vlans);
3504 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3505 bitmap_free(flood_vlans);
3508 static struct mirror *
3509 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
3513 m = xzalloc(sizeof *m);
3514 m->uuid = cfg->header_.uuid;
3515 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
3517 m->name = xstrdup(cfg->name);
3523 mirror_destroy(struct mirror *m)
3526 struct bridge *br = m->bridge;
3529 ofproto_mirror_unregister(br->ofproto, m);
3532 hmap_remove(&br->mirrors, &m->hmap_node);
3539 mirror_collect_ports(struct mirror *m,
3540 struct ovsrec_port **in_ports, int n_in_ports,
3541 void ***out_portsp, size_t *n_out_portsp)
3543 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3544 size_t n_out_ports = 0;
3547 for (i = 0; i < n_in_ports; i++) {
3548 const char *name = in_ports[i]->name;
3549 struct port *port = port_lookup(m->bridge, name);
3551 out_ports[n_out_ports++] = port;
3553 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3554 "port %s", m->bridge->name, m->name, name);
3557 *out_portsp = out_ports;
3558 *n_out_portsp = n_out_ports;
3562 mirror_configure(struct mirror *m)
3564 const struct ovsrec_mirror *cfg = m->cfg;
3565 struct ofproto_mirror_settings s;
3568 if (strcmp(cfg->name, m->name)) {
3570 m->name = xstrdup(cfg->name);
3574 /* Get output port or VLAN. */
3575 if (cfg->output_port) {
3576 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
3577 if (!s.out_bundle) {
3578 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3579 m->bridge->name, m->name);
3582 s.out_vlan = UINT16_MAX;
3584 if (cfg->output_vlan) {
3585 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3586 "output vlan; ignoring output vlan",
3587 m->bridge->name, m->name);
3589 } else if (cfg->output_vlan) {
3590 /* The database should prevent invalid VLAN values. */
3591 s.out_bundle = NULL;
3592 s.out_vlan = *cfg->output_vlan;
3594 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3595 m->bridge->name, m->name);
3599 /* Get port selection. */
3600 if (cfg->select_all) {
3601 size_t n_ports = hmap_count(&m->bridge->ports);
3602 void **ports = xmalloc(n_ports * sizeof *ports);
3607 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
3617 /* Get ports, dropping ports that don't exist.
3618 * The IDL ensures that there are no duplicates. */
3619 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
3620 &s.srcs, &s.n_srcs);
3621 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
3622 &s.dsts, &s.n_dsts);
3625 /* Get VLAN selection. */
3626 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3629 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3632 if (s.srcs != s.dsts) {
3641 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3643 * This is deprecated. It is only for compatibility with broken device drivers
3644 * in old versions of Linux that do not properly support VLANs when VLAN
3645 * devices are not used. When broken device drivers are no longer in
3646 * widespread use, we will delete these interfaces. */
3648 static struct ovsrec_port **recs;
3649 static size_t n_recs, allocated_recs;
3651 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3652 * splinters are reconfigured. */
3654 register_rec(struct ovsrec_port *rec)
3656 if (n_recs >= allocated_recs) {
3657 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
3659 recs[n_recs++] = rec;
3662 /* Frees all of the ports registered with register_reg(). */
3664 free_registered_recs(void)
3668 for (i = 0; i < n_recs; i++) {
3669 struct ovsrec_port *port = recs[i];
3672 for (j = 0; j < port->n_interfaces; j++) {
3673 struct ovsrec_interface *iface = port->interfaces[j];
3678 smap_destroy(&port->other_config);
3679 free(port->interfaces);
3687 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3690 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3692 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3696 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3699 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3700 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3701 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3704 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3705 * use, returns NULL.
3707 * Updates 'vlan_splinters_enabled_anywhere'. */
3708 static unsigned long int *
3709 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3711 unsigned long int *splinter_vlans;
3712 struct sset splinter_ifaces;
3713 const char *real_dev_name;
3714 struct shash *real_devs;
3715 struct shash_node *node;
3719 /* Free space allocated for synthesized ports and interfaces, since we're
3720 * in the process of reconstructing all of them. */
3721 free_registered_recs();
3723 splinter_vlans = bitmap_allocate(4096);
3724 sset_init(&splinter_ifaces);
3725 vlan_splinters_enabled_anywhere = false;
3726 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3727 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3730 for (j = 0; j < br_cfg->n_ports; j++) {
3731 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3734 for (k = 0; k < port_cfg->n_interfaces; k++) {
3735 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3737 if (vlan_splinters_is_enabled(iface_cfg)) {
3738 vlan_splinters_enabled_anywhere = true;
3739 sset_add(&splinter_ifaces, iface_cfg->name);
3740 vlan_bitmap_from_array__(port_cfg->trunks,
3746 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3747 bitmap_set1(splinter_vlans, *port_cfg->tag);
3752 if (!vlan_splinters_enabled_anywhere) {
3753 free(splinter_vlans);
3754 sset_destroy(&splinter_ifaces);
3758 HMAP_FOR_EACH (br, node, &all_bridges) {
3760 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3764 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3765 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3766 * device to be created for it. */
3767 bitmap_set0(splinter_vlans, 0);
3768 bitmap_set0(splinter_vlans, 4095);
3770 /* Delete all VLAN devices that we don't need. */
3772 real_devs = vlandev_get_real_devs();
3773 SHASH_FOR_EACH (node, real_devs) {
3774 const struct vlan_real_dev *real_dev = node->data;
3775 const struct vlan_dev *vlan_dev;
3776 bool real_dev_has_splinters;
3778 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3780 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3781 if (!real_dev_has_splinters
3782 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3783 struct netdev *netdev;
3785 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3786 if (!netdev_get_in4(netdev, NULL, NULL) ||
3787 !netdev_get_in6(netdev, NULL)) {
3788 vlandev_del(vlan_dev->name);
3790 /* It has an IP address configured, so we don't own
3791 * it. Don't delete it. */
3793 netdev_close(netdev);
3800 /* Add all VLAN devices that we need. */
3801 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3804 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3805 if (!vlandev_get_name(real_dev_name, vid)) {
3806 vlandev_add(real_dev_name, vid);
3813 sset_destroy(&splinter_ifaces);
3815 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3816 free(splinter_vlans);
3819 return splinter_vlans;
3822 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3825 configure_splinter_port(struct port *port)
3827 struct ofproto *ofproto = port->bridge->ofproto;
3828 uint16_t realdev_ofp_port;
3829 const char *realdev_name;
3830 struct iface *vlandev, *realdev;
3832 ofproto_bundle_unregister(port->bridge->ofproto, port);
3834 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3837 realdev_name = smap_get(&port->cfg->other_config, "realdev");
3838 realdev = iface_lookup(port->bridge, realdev_name);
3839 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3841 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3845 static struct ovsrec_port *
3846 synthesize_splinter_port(const char *real_dev_name,
3847 const char *vlan_dev_name, int vid)
3849 struct ovsrec_interface *iface;
3850 struct ovsrec_port *port;
3852 iface = xmalloc(sizeof *iface);
3853 ovsrec_interface_init(iface);
3854 iface->name = xstrdup(vlan_dev_name);
3855 iface->type = "system";
3857 port = xmalloc(sizeof *port);
3858 ovsrec_port_init(port);
3859 port->interfaces = xmemdup(&iface, sizeof iface);
3860 port->n_interfaces = 1;
3861 port->name = xstrdup(vlan_dev_name);
3862 port->vlan_mode = "splinter";
3863 port->tag = xmalloc(sizeof *port->tag);
3866 smap_add(&port->other_config, "realdev", real_dev_name);
3872 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3873 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3874 * 1-bit in the 'splinter_vlans' bitmap. */
3876 add_vlan_splinter_ports(struct bridge *br,
3877 const unsigned long int *splinter_vlans,
3878 struct shash *ports)
3882 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3883 * we're modifying 'ports'. */
3884 for (i = 0; i < br->cfg->n_ports; i++) {
3885 const char *name = br->cfg->ports[i]->name;
3886 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3889 for (j = 0; j < port_cfg->n_interfaces; j++) {
3890 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3892 if (vlan_splinters_is_enabled(iface_cfg)) {
3893 const char *real_dev_name;
3896 real_dev_name = iface_cfg->name;
3897 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3898 const char *vlan_dev_name;
3900 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3902 && !shash_find(ports, vlan_dev_name)) {
3903 shash_add(ports, vlan_dev_name,
3904 synthesize_splinter_port(
3905 real_dev_name, vlan_dev_name, vid));
3914 mirror_refresh_stats(struct mirror *m)
3916 struct ofproto *ofproto = m->bridge->ofproto;
3917 uint64_t tx_packets, tx_bytes;
3920 size_t stat_cnt = 0;
3922 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3923 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
3927 if (tx_packets != UINT64_MAX) {
3928 keys[stat_cnt] = "tx_packets";
3929 values[stat_cnt] = tx_packets;
3932 if (tx_bytes != UINT64_MAX) {
3933 keys[stat_cnt] = "tx_bytes";
3934 values[stat_cnt] = tx_bytes;
3938 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);