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"
41 #include "ofproto/ofproto.h"
42 #include "poll-loop.h"
46 #include "socket-util.h"
48 #include "stream-ssl.h"
50 #include "system-stats.h"
55 #include "lib/vswitch-idl.h"
56 #include "xenserver.h"
58 #include "sflow_api.h"
59 #include "vlan-bitmap.h"
61 VLOG_DEFINE_THIS_MODULE(bridge);
63 COVERAGE_DEFINE(bridge_reconfigure);
65 /* Configuration of an uninstantiated iface. */
67 struct hmap_node hmap_node; /* Node in bridge's if_cfg_todo. */
68 const struct ovsrec_interface *cfg; /* Interface record. */
69 const struct ovsrec_port *parent; /* Parent port record. */
70 int64_t ofport; /* Requested OpenFlow port number. */
73 /* OpenFlow port slated for removal from ofproto. */
75 struct list list_node; /* Node in bridge's ofpp_garbage. */
76 uint16_t ofp_port; /* Port to be deleted. */
80 /* These members are always valid. */
81 struct list port_elem; /* Element in struct port's "ifaces" list. */
82 struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */
83 struct port *port; /* Containing port. */
84 char *name; /* Host network device name. */
86 /* These members are valid only after bridge_reconfigure() causes them to
88 struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */
89 int ofp_port; /* OpenFlow port number, -1 if unknown. */
90 struct netdev *netdev; /* Network device. */
91 const char *type; /* Usually same as cfg->type. */
92 const struct ovsrec_interface *cfg;
96 struct uuid uuid; /* UUID of this "mirror" record in database. */
97 struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */
98 struct bridge *bridge;
100 const struct ovsrec_mirror *cfg;
104 struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
105 struct bridge *bridge;
108 const struct ovsrec_port *cfg;
110 /* An ordinary bridge port has 1 interface.
111 * A bridge port for bonding has at least 2 interfaces. */
112 struct list ifaces; /* List of "struct iface"s. */
116 struct hmap_node node; /* In 'all_bridges'. */
117 char *name; /* User-specified arbitrary name. */
118 char *type; /* Datapath type. */
119 uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */
120 uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */
121 const struct ovsrec_bridge *cfg;
123 /* OpenFlow switch processing. */
124 struct ofproto *ofproto; /* OpenFlow switch. */
127 struct hmap ports; /* "struct port"s indexed by name. */
128 struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */
129 struct hmap iface_by_name; /* "struct iface"s indexed by name. */
131 struct list ofpp_garbage; /* "struct ofpp_garbage" slated for removal. */
132 struct hmap if_cfg_todo; /* "struct if_cfg"s slated for creation.
133 Indexed on 'cfg->name'. */
135 /* Port mirroring. */
136 struct hmap mirrors; /* "struct mirror" indexed by UUID. */
138 /* Synthetic local port if necessary. */
139 struct ovsrec_port synth_local_port;
140 struct ovsrec_interface synth_local_iface;
141 struct ovsrec_interface *synth_local_ifacep;
144 /* All bridges, indexed by name. */
145 static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges);
147 /* OVSDB IDL used to obtain configuration. */
148 static struct ovsdb_idl *idl;
150 /* Most recently processed IDL sequence number. */
151 static unsigned int idl_seqno;
153 /* Each time this timer expires, the bridge fetches interface and mirror
154 * statistics and pushes them into the database. */
155 #define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
156 static long long int iface_stats_timer = LLONG_MIN;
158 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
159 * expensive. This can cause bridge_reconfigure() to take a long time during
160 * which no other work can be done. To deal with this problem, we limit port
161 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
162 * call to bridge_reconfigure(). If there is more work to do after the limit
163 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
164 * This allows the rest of the code to catch up on important things like
165 * forwarding packets. */
166 #define OFP_PORT_ACTION_WINDOW 10
167 static bool reconfiguring = false;
169 static void add_del_bridges(const struct ovsrec_open_vswitch *);
170 static void bridge_update_ofprotos(void);
171 static void bridge_create(const struct ovsrec_bridge *);
172 static void bridge_destroy(struct bridge *);
173 static struct bridge *bridge_lookup(const char *name);
174 static unixctl_cb_func bridge_unixctl_dump_flows;
175 static unixctl_cb_func bridge_unixctl_reconnect;
176 static size_t bridge_get_controllers(const struct bridge *br,
177 struct ovsrec_controller ***controllersp);
178 static void bridge_add_del_ports(struct bridge *,
179 const unsigned long int *splinter_vlans);
180 static void bridge_refresh_ofp_port(struct bridge *);
181 static void bridge_configure_datapath_id(struct bridge *);
182 static void bridge_configure_flow_eviction_threshold(struct bridge *);
183 static void bridge_configure_netflow(struct bridge *);
184 static void bridge_configure_forward_bpdu(struct bridge *);
185 static void bridge_configure_mac_idle_time(struct bridge *);
186 static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number);
187 static void bridge_configure_stp(struct bridge *);
188 static void bridge_configure_tables(struct bridge *);
189 static void bridge_configure_remotes(struct bridge *,
190 const struct sockaddr_in *managers,
192 static void bridge_pick_local_hw_addr(struct bridge *,
193 uint8_t ea[ETH_ADDR_LEN],
194 struct iface **hw_addr_iface);
195 static uint64_t bridge_pick_datapath_id(struct bridge *,
196 const uint8_t bridge_ea[ETH_ADDR_LEN],
197 struct iface *hw_addr_iface);
198 static void bridge_queue_if_cfg(struct bridge *,
199 const struct ovsrec_interface *,
200 const struct ovsrec_port *);
201 static uint64_t dpid_from_hash(const void *, size_t nbytes);
202 static bool bridge_has_bond_fake_iface(const struct bridge *,
204 static bool port_is_bond_fake_iface(const struct port *);
206 static unixctl_cb_func qos_unixctl_show;
208 static struct port *port_create(struct bridge *, const struct ovsrec_port *);
209 static void port_del_ifaces(struct port *);
210 static void port_destroy(struct port *);
211 static struct port *port_lookup(const struct bridge *, const char *name);
212 static void port_configure(struct port *);
213 static struct lacp_settings *port_configure_lacp(struct port *,
214 struct lacp_settings *);
215 static void port_configure_bond(struct port *, struct bond_settings *,
216 uint32_t *bond_stable_ids);
217 static bool port_is_synthetic(const struct port *);
219 static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
220 static void run_system_stats(void);
222 static void bridge_configure_mirrors(struct bridge *);
223 static struct mirror *mirror_create(struct bridge *,
224 const struct ovsrec_mirror *);
225 static void mirror_destroy(struct mirror *);
226 static bool mirror_configure(struct mirror *);
227 static void mirror_refresh_stats(struct mirror *);
229 static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
230 static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port);
231 static bool iface_is_internal(const struct ovsrec_interface *iface,
232 const struct ovsrec_bridge *br);
233 static const char *iface_get_type(const struct ovsrec_interface *,
234 const struct ovsrec_bridge *);
235 static void iface_destroy(struct iface *);
236 static struct iface *iface_lookup(const struct bridge *, const char *name);
237 static struct iface *iface_find(const char *name);
238 static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
239 static struct iface *iface_from_ofp_port(const struct bridge *,
241 static void iface_set_mac(struct iface *);
242 static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
243 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg);
244 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
245 static void iface_configure_cfm(struct iface *);
246 static void iface_refresh_cfm_stats(struct iface *);
247 static void iface_refresh_stats(struct iface *);
248 static void iface_refresh_status(struct iface *);
249 static bool iface_is_synthetic(const struct iface *);
251 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
253 * This is deprecated. It is only for compatibility with broken device drivers
254 * in old versions of Linux that do not properly support VLANs when VLAN
255 * devices are not used. When broken device drivers are no longer in
256 * widespread use, we will delete these interfaces. */
258 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
259 static bool vlan_splinters_enabled_anywhere;
261 static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
262 static unsigned long int *collect_splinter_vlans(
263 const struct ovsrec_open_vswitch *);
264 static void configure_splinter_port(struct port *);
265 static void add_vlan_splinter_ports(struct bridge *,
266 const unsigned long int *splinter_vlans,
267 struct shash *ports);
270 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
272 struct shash iface_hints;
273 static bool initialized = false;
280 shash_init(&iface_hints);
283 for (i = 0; i < cfg->n_bridges; i++) {
284 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
287 for (j = 0; j < br_cfg->n_ports; j++) {
288 struct ovsrec_port *port_cfg = br_cfg->ports[j];
291 for (k = 0; k < port_cfg->n_interfaces; k++) {
292 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
293 struct iface_hint *iface_hint;
295 iface_hint = xmalloc(sizeof *iface_hint);
296 iface_hint->br_name = br_cfg->name;
297 iface_hint->br_type = br_cfg->datapath_type;
298 iface_hint->ofp_port = if_cfg->n_ofport_request ?
299 *if_cfg->ofport_request : OFPP_NONE;
301 shash_add(&iface_hints, if_cfg->name, iface_hint);
307 ofproto_init(&iface_hints);
309 shash_destroy_free_data(&iface_hints);
313 /* Public functions. */
315 /* Initializes the bridge module, configuring it to obtain its configuration
316 * from an OVSDB server accessed over 'remote', which should be a string in a
317 * form acceptable to ovsdb_idl_create(). */
319 bridge_init(const char *remote)
321 /* Create connection to database. */
322 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
323 idl_seqno = ovsdb_idl_get_seqno(idl);
324 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
325 ovsdb_idl_verify_write_only(idl);
327 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
328 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
329 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
330 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
331 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
332 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
333 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
335 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
336 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
337 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
339 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
340 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
341 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
342 ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
344 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
345 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
346 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
347 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
348 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
349 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
350 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
351 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
352 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
353 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
354 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
355 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
356 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
357 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
358 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
359 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
361 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
362 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
363 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
364 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
366 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
368 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
370 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
371 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
373 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
375 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
377 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
378 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
379 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
380 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
381 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
383 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
385 /* Register unixctl commands. */
386 unixctl_command_register("qos/show", "interface", 1, 1,
387 qos_unixctl_show, NULL);
388 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
389 bridge_unixctl_dump_flows, NULL);
390 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
391 bridge_unixctl_reconnect, NULL);
401 struct bridge *br, *next_br;
403 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
406 ovsdb_idl_destroy(idl);
409 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
410 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
411 * responsible for freeing '*managersp' (with free()).
413 * You may be asking yourself "why does ovs-vswitchd care?", because
414 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
415 * should not be and in fact is not directly involved in that. But
416 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
417 * it has to tell in-band control where the managers are to enable that.
418 * (Thus, only managers connected in-band are collected.)
421 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
422 struct sockaddr_in **managersp, size_t *n_managersp)
424 struct sockaddr_in *managers = NULL;
425 size_t n_managers = 0;
429 /* Collect all of the potential targets from the "targets" columns of the
430 * rows pointed to by "manager_options", excluding any that are
433 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
434 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
436 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
437 sset_find_and_delete(&targets, m->target);
439 sset_add(&targets, m->target);
443 /* Now extract the targets' IP addresses. */
444 if (!sset_is_empty(&targets)) {
447 managers = xmalloc(sset_count(&targets) * sizeof *managers);
448 SSET_FOR_EACH (target, &targets) {
449 struct sockaddr_in *sin = &managers[n_managers];
451 if (stream_parse_target_with_default_ports(target,
459 sset_destroy(&targets);
461 *managersp = managers;
462 *n_managersp = n_managers;
466 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
468 unsigned long int *splinter_vlans;
471 COVERAGE_INC(bridge_reconfigure);
473 assert(!reconfiguring);
474 reconfiguring = true;
476 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
477 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
478 * configuration otherwise.
480 * This is mostly an update to bridge data structures. Nothing is pushed
481 * down to ofproto or lower layers. */
482 add_del_bridges(ovs_cfg);
483 splinter_vlans = collect_splinter_vlans(ovs_cfg);
484 HMAP_FOR_EACH (br, node, &all_bridges) {
485 bridge_add_del_ports(br, splinter_vlans);
487 free(splinter_vlans);
489 /* Delete datapaths that are no longer configured, and create ones which
490 * don't exist but should. */
491 bridge_update_ofprotos();
493 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
494 HMAP_FOR_EACH (br, node, &all_bridges) {
495 bridge_refresh_ofp_port(br);
498 /* Clear database records for "if_cfg"s which haven't been instantiated. */
499 HMAP_FOR_EACH (br, node, &all_bridges) {
500 struct if_cfg *if_cfg;
502 HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
503 iface_clear_db_record(if_cfg->cfg);
507 reconfigure_system_stats(ovs_cfg);
511 bridge_reconfigure_ofp(void)
513 long long int deadline;
517 deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
519 /* The kernel will reject any attempt to add a given port to a datapath if
520 * that port already belongs to a different datapath, so we must do all
521 * port deletions before any port additions. */
522 HMAP_FOR_EACH (br, node, &all_bridges) {
523 struct ofpp_garbage *garbage, *next;
525 LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
526 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
527 * internal datastructures may not be consistent. Eventually, when
528 * port additions and deletions are cheaper, these calls should be
531 ofproto_port_del(br->ofproto, garbage->ofp_port);
532 list_remove(&garbage->list_node);
536 if (time_msec() >= deadline) {
543 HMAP_FOR_EACH (br, node, &all_bridges) {
544 struct if_cfg *if_cfg, *next;
546 HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
547 iface_create(br, if_cfg, -1);
549 if (time_msec() >= deadline) {
559 bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
561 struct sockaddr_in *managers;
562 int sflow_bridge_number;
567 assert(reconfiguring);
568 done = bridge_reconfigure_ofp();
570 /* Complete the configuration. */
571 sflow_bridge_number = 0;
572 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
573 HMAP_FOR_EACH (br, node, &all_bridges) {
576 /* We need the datapath ID early to allow LACP ports to use it as the
577 * default system ID. */
578 bridge_configure_datapath_id(br);
580 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
583 port_configure(port);
585 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
586 iface_configure_cfm(iface);
587 iface_configure_qos(iface, port->cfg->qos);
588 iface_set_mac(iface);
591 bridge_configure_mirrors(br);
592 bridge_configure_flow_eviction_threshold(br);
593 bridge_configure_forward_bpdu(br);
594 bridge_configure_mac_idle_time(br);
595 bridge_configure_remotes(br, managers, n_managers);
596 bridge_configure_netflow(br);
597 bridge_configure_sflow(br, &sflow_bridge_number);
598 bridge_configure_stp(br);
599 bridge_configure_tables(br);
604 /* ovs-vswitchd has completed initialization, so allow the process that
605 * forked us to exit successfully. */
606 daemonize_complete();
607 reconfiguring = false;
609 VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION);
615 /* Delete ofprotos which aren't configured or have the wrong type. Create
616 * ofprotos which don't exist but need to. */
618 bridge_update_ofprotos(void)
620 struct bridge *br, *next;
625 /* Delete ofprotos with no bridge or with the wrong type. */
628 ofproto_enumerate_types(&types);
629 SSET_FOR_EACH (type, &types) {
632 ofproto_enumerate_names(type, &names);
633 SSET_FOR_EACH (name, &names) {
634 br = bridge_lookup(name);
635 if (!br || strcmp(type, br->type)) {
636 ofproto_delete(name, type);
640 sset_destroy(&names);
641 sset_destroy(&types);
643 /* Add ofprotos for bridges which don't have one yet. */
644 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
652 /* Remove ports from any datapath with the same name as 'br'. If we
653 * don't do this, creating 'br''s ofproto will fail because a port with
654 * the same name as its local port already exists. */
655 HMAP_FOR_EACH (br2, node, &all_bridges) {
656 struct ofproto_port ofproto_port;
662 if (!ofproto_port_query_by_name(br2->ofproto, br->name,
664 error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
666 VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
669 ofproto_port_destroy(&ofproto_port);
673 error = ofproto_create(br->name, br->type, &br->ofproto);
675 VLOG_ERR("failed to create bridge %s: %s", br->name,
683 port_configure(struct port *port)
685 const struct ovsrec_port *cfg = port->cfg;
686 struct bond_settings bond_settings;
687 struct lacp_settings lacp_settings;
688 struct ofproto_bundle_settings s;
691 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
692 configure_splinter_port(port);
701 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
702 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
703 s.slaves[s.n_slaves++] = iface->ofp_port;
708 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
712 /* Get VLAN trunks. */
715 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
719 if (cfg->vlan_mode) {
720 if (!strcmp(cfg->vlan_mode, "access")) {
721 s.vlan_mode = PORT_VLAN_ACCESS;
722 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
723 s.vlan_mode = PORT_VLAN_TRUNK;
724 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
725 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
726 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
727 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
729 /* This "can't happen" because ovsdb-server should prevent it. */
730 VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode);
731 s.vlan_mode = PORT_VLAN_TRUNK;
735 s.vlan_mode = PORT_VLAN_ACCESS;
737 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
741 s.vlan_mode = PORT_VLAN_TRUNK;
744 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
747 /* Get LACP settings. */
748 s.lacp = port_configure_lacp(port, &lacp_settings);
752 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
753 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
754 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
757 s.lacp_slaves = NULL;
760 /* Get bond settings. */
761 if (s.n_slaves > 1) {
762 s.bond = &bond_settings;
763 s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids);
764 port_configure_bond(port, &bond_settings, s.bond_stable_ids);
767 s.bond_stable_ids = NULL;
769 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
770 netdev_set_miimon_interval(iface->netdev, 0);
775 ofproto_bundle_register(port->bridge->ofproto, port, &s);
781 free(s.bond_stable_ids);
784 /* Pick local port hardware address and datapath ID for 'br'. */
786 bridge_configure_datapath_id(struct bridge *br)
788 uint8_t ea[ETH_ADDR_LEN];
790 struct iface *local_iface;
791 struct iface *hw_addr_iface;
794 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
795 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
797 int error = netdev_set_etheraddr(local_iface->netdev, ea);
799 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
800 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
801 "Ethernet address: %s",
802 br->name, strerror(error));
805 memcpy(br->ea, ea, ETH_ADDR_LEN);
807 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
808 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
809 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
810 ofproto_set_datapath_id(br->ofproto, dpid);
813 dpid_string = xasprintf("%016"PRIx64, dpid);
814 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
818 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
821 bridge_get_allowed_versions(struct bridge *br)
823 if (!br->cfg->n_protocols)
826 return ofputil_versions_from_strings(br->cfg->protocols,
827 br->cfg->n_protocols);
830 /* Set NetFlow configuration on 'br'. */
832 bridge_configure_netflow(struct bridge *br)
834 struct ovsrec_netflow *cfg = br->cfg->netflow;
835 struct netflow_options opts;
838 ofproto_set_netflow(br->ofproto, NULL);
842 memset(&opts, 0, sizeof opts);
844 /* Get default NetFlow configuration from datapath.
845 * Apply overrides from 'cfg'. */
846 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
847 if (cfg->engine_type) {
848 opts.engine_type = *cfg->engine_type;
850 if (cfg->engine_id) {
851 opts.engine_id = *cfg->engine_id;
854 /* Configure active timeout interval. */
855 opts.active_timeout = cfg->active_timeout;
856 if (!opts.active_timeout) {
857 opts.active_timeout = -1;
858 } else if (opts.active_timeout < 0) {
859 VLOG_WARN("bridge %s: active timeout interval set to negative "
860 "value, using default instead (%d seconds)", br->name,
861 NF_ACTIVE_TIMEOUT_DEFAULT);
862 opts.active_timeout = -1;
865 /* Add engine ID to interface number to disambiguate bridgs? */
866 opts.add_id_to_iface = cfg->add_id_to_interface;
867 if (opts.add_id_to_iface) {
868 if (opts.engine_id > 0x7f) {
869 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
870 "another vswitch, choose an engine id less than 128",
873 if (hmap_count(&br->ports) > 508) {
874 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
875 "another port when more than 508 ports are used",
881 sset_init(&opts.collectors);
882 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
885 if (ofproto_set_netflow(br->ofproto, &opts)) {
886 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
888 sset_destroy(&opts.collectors);
891 /* Set sFlow configuration on 'br'. */
893 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
895 const struct ovsrec_sflow *cfg = br->cfg->sflow;
896 struct ovsrec_controller **controllers;
897 struct ofproto_sflow_options oso;
898 size_t n_controllers;
902 ofproto_set_sflow(br->ofproto, NULL);
906 memset(&oso, 0, sizeof oso);
908 sset_init(&oso.targets);
909 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
911 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
913 oso.sampling_rate = *cfg->sampling;
916 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
918 oso.polling_interval = *cfg->polling;
921 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
923 oso.header_len = *cfg->header;
926 oso.sub_id = (*sflow_bridge_number)++;
927 oso.agent_device = cfg->agent;
929 oso.control_ip = NULL;
930 n_controllers = bridge_get_controllers(br, &controllers);
931 for (i = 0; i < n_controllers; i++) {
932 if (controllers[i]->local_ip) {
933 oso.control_ip = controllers[i]->local_ip;
937 ofproto_set_sflow(br->ofproto, &oso);
939 sset_destroy(&oso.targets);
943 port_configure_stp(const struct ofproto *ofproto, struct port *port,
944 struct ofproto_port_stp_settings *port_s,
945 int *port_num_counter, unsigned long *port_num_bitmap)
947 const char *config_str;
950 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
951 port_s->enable = false;
954 port_s->enable = true;
957 /* STP over bonds is not supported. */
958 if (!list_is_singleton(&port->ifaces)) {
959 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
961 port_s->enable = false;
965 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
967 /* Internal ports shouldn't participate in spanning tree, so
969 if (!strcmp(iface->type, "internal")) {
970 VLOG_DBG("port %s: disable STP on internal ports", port->name);
971 port_s->enable = false;
975 /* STP on mirror output ports is not supported. */
976 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
977 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
978 port_s->enable = false;
982 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
984 unsigned long int port_num = strtoul(config_str, NULL, 0);
985 int port_idx = port_num - 1;
987 if (port_num < 1 || port_num > STP_MAX_PORTS) {
988 VLOG_ERR("port %s: invalid stp-port-num", port->name);
989 port_s->enable = false;
993 if (bitmap_is_set(port_num_bitmap, port_idx)) {
994 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
995 port->name, port_num);
996 port_s->enable = false;
999 bitmap_set1(port_num_bitmap, port_idx);
1000 port_s->port_num = port_idx;
1002 if (*port_num_counter >= STP_MAX_PORTS) {
1003 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
1004 port_s->enable = false;
1008 port_s->port_num = (*port_num_counter)++;
1011 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
1013 port_s->path_cost = strtoul(config_str, NULL, 10);
1015 enum netdev_features current;
1018 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1019 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1020 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1023 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1025 port_s->priority = strtoul(config_str, NULL, 0);
1027 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1031 /* Set spanning tree configuration on 'br'. */
1033 bridge_configure_stp(struct bridge *br)
1035 if (!br->cfg->stp_enable) {
1036 ofproto_set_stp(br->ofproto, NULL);
1038 struct ofproto_stp_settings br_s;
1039 const char *config_str;
1041 int port_num_counter;
1042 unsigned long *port_num_bitmap;
1044 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1046 uint8_t ea[ETH_ADDR_LEN];
1048 if (eth_addr_from_string(config_str, ea)) {
1049 br_s.system_id = eth_addr_to_uint64(ea);
1051 br_s.system_id = eth_addr_to_uint64(br->ea);
1052 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1053 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1056 br_s.system_id = eth_addr_to_uint64(br->ea);
1059 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1061 br_s.priority = strtoul(config_str, NULL, 0);
1063 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1066 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1068 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1070 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1073 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1075 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1077 br_s.max_age = STP_DEFAULT_MAX_AGE;
1080 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1082 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1084 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1087 /* Configure STP on the bridge. */
1088 if (ofproto_set_stp(br->ofproto, &br_s)) {
1089 VLOG_ERR("bridge %s: could not enable STP", br->name);
1093 /* Users must either set the port number with the "stp-port-num"
1094 * configuration on all ports or none. If manual configuration
1095 * is not done, then we allocate them sequentially. */
1096 port_num_counter = 0;
1097 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1098 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1099 struct ofproto_port_stp_settings port_s;
1100 struct iface *iface;
1102 port_configure_stp(br->ofproto, port, &port_s,
1103 &port_num_counter, port_num_bitmap);
1105 /* As bonds are not supported, just apply configuration to
1106 * all interfaces. */
1107 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1108 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1110 VLOG_ERR("port %s: could not enable STP", port->name);
1116 if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1117 && port_num_counter) {
1118 VLOG_ERR("bridge %s: must manually configure all STP port "
1119 "IDs or none, disabling", br->name);
1120 ofproto_set_stp(br->ofproto, NULL);
1122 bitmap_free(port_num_bitmap);
1127 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1129 const struct port *port = port_lookup(br, name);
1130 return port && port_is_bond_fake_iface(port);
1134 port_is_bond_fake_iface(const struct port *port)
1136 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1140 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1142 struct bridge *br, *next;
1143 struct shash new_br;
1146 /* Collect new bridges' names and types. */
1147 shash_init(&new_br);
1148 for (i = 0; i < cfg->n_bridges; i++) {
1149 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1150 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1152 if (strchr(br_cfg->name, '/')) {
1153 /* Prevent remote ovsdb-server users from accessing arbitrary
1154 * directories, e.g. consider a bridge named "../../../etc/". */
1155 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1157 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1158 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1162 /* Get rid of deleted bridges or those whose types have changed.
1163 * Update 'cfg' of bridges that still exist. */
1164 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1165 br->cfg = shash_find_data(&new_br, br->name);
1166 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1167 br->cfg->datapath_type))) {
1172 /* Add new bridges. */
1173 for (i = 0; i < cfg->n_bridges; i++) {
1174 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1175 struct bridge *br = bridge_lookup(br_cfg->name);
1177 bridge_create(br_cfg);
1181 shash_destroy(&new_br);
1185 iface_set_ofp_port(struct iface *iface, int ofp_port)
1187 struct bridge *br = iface->port->bridge;
1189 assert(iface->ofp_port < 0 && ofp_port >= 0);
1190 iface->ofp_port = ofp_port;
1191 hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
1192 iface_set_ofport(iface->cfg, ofp_port);
1195 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1196 * Returns 0 if successful, otherwise a positive errno value. */
1198 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1199 struct netdev *netdev)
1203 error = netdev_set_config(netdev, &iface_cfg->options);
1205 VLOG_WARN("could not configure network device %s (%s)",
1206 iface_cfg->name, strerror(error));
1211 /* This function determines whether 'ofproto_port', which is attached to
1212 * br->ofproto's datapath, is one that we want in 'br'.
1214 * If it is, it returns true, after creating an iface (if necessary),
1215 * configuring the iface's netdev according to the iface's options, and setting
1216 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1218 * If, on the other hand, 'port' should be removed, it returns false. The
1219 * caller should later detach the port from br->ofproto. */
1221 bridge_refresh_one_ofp_port(struct bridge *br,
1222 const struct ofproto_port *ofproto_port)
1224 const char *name = ofproto_port->name;
1225 const char *type = ofproto_port->type;
1226 uint16_t ofp_port = ofproto_port->ofp_port;
1228 struct iface *iface = iface_lookup(br, name);
1230 /* Check that the name-to-number mapping is one-to-one. */
1231 if (iface->ofp_port >= 0) {
1232 VLOG_WARN("bridge %s: interface %s reported twice",
1235 } else if (iface_from_ofp_port(br, ofp_port)) {
1236 VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
1237 br->name, ofp_port);
1241 /* There's a configured interface named 'name'. */
1242 if (strcmp(type, iface->type)
1243 || iface_set_netdev_config(iface->cfg, iface->netdev)) {
1244 /* It's the wrong type, or it's the right type but can't be
1245 * configured as the user requested, so we must destroy it. */
1248 /* It's the right type and configured correctly. Keep it. */
1249 iface_set_ofp_port(iface, ofp_port);
1252 } else if (bridge_has_bond_fake_iface(br, name)
1253 && !strcmp(type, "internal")) {
1254 /* It's a bond fake iface. Keep it. */
1257 /* There's no configured interface named 'name', but there might be an
1258 * interface of that name queued to be created.
1260 * If there is, and it has the correct type, then try to configure it
1261 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1262 * delete it and later try to re-add it. */
1263 struct if_cfg *if_cfg = if_cfg_lookup(br, name);
1265 && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
1266 && iface_create(br, if_cfg, ofp_port));
1270 /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1271 * consistent with the ofp_ports in "br->ofproto". */
1273 bridge_refresh_ofp_port(struct bridge *br)
1275 struct ofproto_port_dump dump;
1276 struct ofproto_port ofproto_port;
1277 struct port *port, *port_next;
1279 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
1280 hmap_clear(&br->ifaces);
1281 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1282 struct iface *iface;
1284 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1285 iface->ofp_port = -1;
1289 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1290 * already exist in the datapath and promote them to full fledged "struct
1291 * iface"s. Mark ports in the datapath which don't belong as garbage. */
1292 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
1293 if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
1294 struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
1295 garbage->ofp_port = ofproto_port.ofp_port;
1296 list_push_front(&br->ofpp_garbage, &garbage->list_node);
1300 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1301 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1302 * later they can be added to ofproto. */
1303 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
1304 struct iface *iface, *iface_next;
1306 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
1307 if (iface->ofp_port < 0) {
1308 bridge_queue_if_cfg(br, iface->cfg, port->cfg);
1309 iface_destroy(iface);
1313 if (list_is_empty(&port->ifaces)) {
1319 /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
1320 * is negative, adds the network device to br->ofproto and stores the OpenFlow
1321 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1324 * If successful, returns 0 and stores the network device in '*netdevp'. On
1325 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1327 iface_do_create(const struct bridge *br,
1328 const struct if_cfg *if_cfg,
1329 int *ofp_portp, struct netdev **netdevp)
1331 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1332 const struct ovsrec_port *port_cfg = if_cfg->parent;
1333 struct netdev *netdev;
1336 error = netdev_open(iface_cfg->name,
1337 iface_get_type(iface_cfg, br->cfg), &netdev);
1339 VLOG_WARN("could not open network device %s (%s)",
1340 iface_cfg->name, strerror(error));
1344 error = iface_set_netdev_config(iface_cfg, netdev);
1349 if (*ofp_portp < 0) {
1350 uint16_t ofp_port = if_cfg->ofport;
1352 error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
1356 *ofp_portp = ofp_port;
1358 VLOG_INFO("bridge %s: added interface %s on port %d",
1359 br->name, iface_cfg->name, *ofp_portp);
1361 VLOG_DBG("bridge %s: interface %s is on port %d",
1362 br->name, iface_cfg->name, *ofp_portp);
1365 if ((port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter"))
1366 || iface_is_internal(iface_cfg, br->cfg)) {
1367 netdev_turn_flags_on(netdev, NETDEV_UP, true);
1375 netdev_close(netdev);
1379 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1380 * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
1381 * automatically allocated for the iface. Takes ownership of and
1382 * deallocates 'if_cfg'.
1384 * Return true if an iface is successfully created, false otherwise. */
1386 iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
1388 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1389 const struct ovsrec_port *port_cfg = if_cfg->parent;
1391 struct netdev *netdev;
1392 struct iface *iface;
1397 /* Do the bits that can fail up front.
1399 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1400 * internal datastructures may not be consistent. Eventually, when port
1401 * additions and deletions are cheaper, these calls should be removed. */
1403 assert(!iface_lookup(br, iface_cfg->name));
1404 error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
1407 iface_clear_db_record(iface_cfg);
1412 /* Get or create the port structure. */
1413 port = port_lookup(br, port_cfg->name);
1415 port = port_create(br, port_cfg);
1418 /* Create the iface structure. */
1419 iface = xzalloc(sizeof *iface);
1420 list_push_back(&port->ifaces, &iface->port_elem);
1421 hmap_insert(&br->iface_by_name, &iface->name_node,
1422 hash_string(iface_cfg->name, 0));
1424 iface->name = xstrdup(iface_cfg->name);
1425 iface->ofp_port = -1;
1426 iface->netdev = netdev;
1427 iface->type = iface_get_type(iface_cfg, br->cfg);
1428 iface->cfg = iface_cfg;
1430 iface_set_ofp_port(iface, ofp_port);
1432 /* Populate initial status in database. */
1433 iface_refresh_stats(iface);
1434 iface_refresh_status(iface);
1436 /* Add bond fake iface if necessary. */
1437 if (port_is_bond_fake_iface(port)) {
1438 struct ofproto_port ofproto_port;
1440 if (ofproto_port_query_by_name(br->ofproto, port->name,
1442 struct netdev *netdev;
1445 error = netdev_open(port->name, "internal", &netdev);
1447 uint16_t ofp_port = if_cfg->ofport;
1449 ofproto_port_add(br->ofproto, netdev, &ofp_port);
1450 netdev_close(netdev);
1452 VLOG_WARN("could not open network device %s (%s)",
1453 port->name, strerror(error));
1456 /* Already exists, nothing to do. */
1457 ofproto_port_destroy(&ofproto_port);
1462 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
1468 /* Set Flow eviction threshold */
1470 bridge_configure_flow_eviction_threshold(struct bridge *br)
1472 const char *threshold_str;
1475 threshold_str = smap_get(&br->cfg->other_config,
1476 "flow-eviction-threshold");
1477 if (threshold_str) {
1478 threshold = strtoul(threshold_str, NULL, 10);
1480 threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
1482 ofproto_set_flow_eviction_threshold(br->ofproto, threshold);
1485 /* Set forward BPDU option. */
1487 bridge_configure_forward_bpdu(struct bridge *br)
1489 ofproto_set_forward_bpdu(br->ofproto,
1490 smap_get_bool(&br->cfg->other_config,
1495 /* Set MAC aging time for 'br'. */
1497 bridge_configure_mac_idle_time(struct bridge *br)
1499 const char *idle_time_str;
1502 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1503 idle_time = (idle_time_str && atoi(idle_time_str)
1504 ? atoi(idle_time_str)
1505 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1506 ofproto_set_mac_idle_time(br->ofproto, idle_time);
1510 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1511 struct iface **hw_addr_iface)
1513 struct hmapx mirror_output_ports;
1516 bool found_addr = false;
1520 *hw_addr_iface = NULL;
1522 /* Did the user request a particular MAC? */
1523 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
1524 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
1525 if (eth_addr_is_multicast(ea)) {
1526 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1527 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1528 } else if (eth_addr_is_zero(ea)) {
1529 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
1535 /* Mirror output ports don't participate in picking the local hardware
1536 * address. ofproto can't help us find out whether a given port is a
1537 * mirror output because we haven't configured mirrors yet, so we need to
1538 * accumulate them ourselves. */
1539 hmapx_init(&mirror_output_ports);
1540 for (i = 0; i < br->cfg->n_mirrors; i++) {
1541 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1542 if (m->output_port) {
1543 hmapx_add(&mirror_output_ports, m->output_port);
1547 /* Otherwise choose the minimum non-local MAC address among all of the
1549 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1550 uint8_t iface_ea[ETH_ADDR_LEN];
1551 struct iface *candidate;
1552 struct iface *iface;
1554 /* Mirror output ports don't participate. */
1555 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1559 /* Choose the MAC address to represent the port. */
1561 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
1562 /* Find the interface with this Ethernet address (if any) so that
1563 * we can provide the correct devname to the caller. */
1564 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1565 uint8_t candidate_ea[ETH_ADDR_LEN];
1566 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
1567 && eth_addr_equals(iface_ea, candidate_ea)) {
1572 /* Choose the interface whose MAC address will represent the port.
1573 * The Linux kernel bonding code always chooses the MAC address of
1574 * the first slave added to a bond, and the Fedora networking
1575 * scripts always add slaves to a bond in alphabetical order, so
1576 * for compatibility we choose the interface with the name that is
1577 * first in alphabetical order. */
1578 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1579 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1584 /* The local port doesn't count (since we're trying to choose its
1585 * MAC address anyway). */
1586 if (iface->ofp_port == OFPP_LOCAL) {
1591 error = netdev_get_etheraddr(iface->netdev, iface_ea);
1597 /* Compare against our current choice. */
1598 if (!eth_addr_is_multicast(iface_ea) &&
1599 !eth_addr_is_local(iface_ea) &&
1600 !eth_addr_is_reserved(iface_ea) &&
1601 !eth_addr_is_zero(iface_ea) &&
1602 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
1604 memcpy(ea, iface_ea, ETH_ADDR_LEN);
1605 *hw_addr_iface = iface;
1610 VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT,
1611 br->name, ETH_ADDR_ARGS(ea));
1613 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
1614 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1615 *hw_addr_iface = NULL;
1616 VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet "
1617 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1620 hmapx_destroy(&mirror_output_ports);
1623 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1624 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1625 * an interface on 'br', then that interface must be passed in as
1626 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1627 * 'hw_addr_iface' must be passed in as a null pointer. */
1629 bridge_pick_datapath_id(struct bridge *br,
1630 const uint8_t bridge_ea[ETH_ADDR_LEN],
1631 struct iface *hw_addr_iface)
1634 * The procedure for choosing a bridge MAC address will, in the most
1635 * ordinary case, also choose a unique MAC that we can use as a datapath
1636 * ID. In some special cases, though, multiple bridges will end up with
1637 * the same MAC address. This is OK for the bridges, but it will confuse
1638 * the OpenFlow controller, because each datapath needs a unique datapath
1641 * Datapath IDs must be unique. It is also very desirable that they be
1642 * stable from one run to the next, so that policy set on a datapath
1645 const char *datapath_id;
1648 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
1649 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
1653 if (!hw_addr_iface) {
1655 * A purely internal bridge, that is, one that has no non-virtual
1656 * network devices on it at all, is difficult because it has no
1657 * natural unique identifier at all.
1659 * When the host is a XenServer, we handle this case by hashing the
1660 * host's UUID with the name of the bridge. Names of bridges are
1661 * persistent across XenServer reboots, although they can be reused if
1662 * an internal network is destroyed and then a new one is later
1663 * created, so this is fairly effective.
1665 * When the host is not a XenServer, we punt by using a random MAC
1666 * address on each run.
1668 const char *host_uuid = xenserver_get_host_uuid();
1670 char *combined = xasprintf("%s,%s", host_uuid, br->name);
1671 dpid = dpid_from_hash(combined, strlen(combined));
1677 return eth_addr_to_uint64(bridge_ea);
1681 dpid_from_hash(const void *data, size_t n)
1683 uint8_t hash[SHA1_DIGEST_SIZE];
1685 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
1686 sha1_bytes(data, n, hash);
1687 eth_addr_mark_random(hash);
1688 return eth_addr_to_uint64(hash);
1692 iface_refresh_status(struct iface *iface)
1696 enum netdev_features current;
1702 if (iface_is_synthetic(iface)) {
1708 if (!netdev_get_drv_info(iface->netdev, &smap)) {
1709 ovsrec_interface_set_status(iface->cfg, &smap);
1711 ovsrec_interface_set_status(iface->cfg, NULL);
1714 smap_destroy(&smap);
1716 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1717 bps = !error ? netdev_features_to_bps(current, 0) : 0;
1719 ovsrec_interface_set_duplex(iface->cfg,
1720 netdev_features_is_full_duplex(current)
1722 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
1725 ovsrec_interface_set_duplex(iface->cfg, NULL);
1726 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
1729 error = netdev_get_mtu(iface->netdev, &mtu);
1732 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
1735 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
1739 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1742 iface_refresh_cfm_stats(struct iface *iface)
1744 const struct ovsrec_interface *cfg = iface->cfg;
1745 int fault, opup, error;
1746 const uint64_t *rmps;
1750 fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
1753 const char *reasons[CFM_FAULT_N_REASONS];
1754 bool fault_bool = fault;
1758 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1759 int reason = 1 << i;
1760 if (fault & reason) {
1761 reasons[j++] = cfm_fault_reason_to_str(reason);
1765 ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
1766 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1768 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1769 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1772 opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto,
1775 ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down");
1777 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1780 error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
1781 iface->ofp_port, &rmps, &n_rmps);
1783 ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps,
1786 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1789 health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
1792 int64_t cfm_health = health;
1793 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1795 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1800 iface_refresh_stats(struct iface *iface)
1802 #define IFACE_STATS \
1803 IFACE_STAT(rx_packets, "rx_packets") \
1804 IFACE_STAT(tx_packets, "tx_packets") \
1805 IFACE_STAT(rx_bytes, "rx_bytes") \
1806 IFACE_STAT(tx_bytes, "tx_bytes") \
1807 IFACE_STAT(rx_dropped, "rx_dropped") \
1808 IFACE_STAT(tx_dropped, "tx_dropped") \
1809 IFACE_STAT(rx_errors, "rx_errors") \
1810 IFACE_STAT(tx_errors, "tx_errors") \
1811 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1812 IFACE_STAT(rx_over_errors, "rx_over_err") \
1813 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1814 IFACE_STAT(collisions, "collisions")
1816 #define IFACE_STAT(MEMBER, NAME) NAME,
1817 static char *keys[] = { IFACE_STATS };
1819 int64_t values[ARRAY_SIZE(keys)];
1822 struct netdev_stats stats;
1824 if (iface_is_synthetic(iface)) {
1828 /* Intentionally ignore return value, since errors will set 'stats' to
1829 * all-1s, and we will deal with that correctly below. */
1830 netdev_get_stats(iface->netdev, &stats);
1832 /* Copy statistics into values[] array. */
1834 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1837 assert(i == ARRAY_SIZE(keys));
1839 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1845 br_refresh_stp_status(struct bridge *br)
1847 struct smap smap = SMAP_INITIALIZER(&smap);
1848 struct ofproto *ofproto = br->ofproto;
1849 struct ofproto_stp_status status;
1851 if (ofproto_get_stp_status(ofproto, &status)) {
1855 if (!status.enabled) {
1856 ovsrec_bridge_set_status(br->cfg, NULL);
1860 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1861 STP_ID_ARGS(status.bridge_id));
1862 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1863 STP_ID_ARGS(status.designated_root));
1864 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
1866 ovsrec_bridge_set_status(br->cfg, &smap);
1867 smap_destroy(&smap);
1871 port_refresh_stp_status(struct port *port)
1873 struct ofproto *ofproto = port->bridge->ofproto;
1874 struct iface *iface;
1875 struct ofproto_port_stp_status status;
1877 int64_t int_values[3];
1880 if (port_is_synthetic(port)) {
1884 /* STP doesn't currently support bonds. */
1885 if (!list_is_singleton(&port->ifaces)) {
1886 ovsrec_port_set_status(port->cfg, NULL);
1890 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1892 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1896 if (!status.enabled) {
1897 ovsrec_port_set_status(port->cfg, NULL);
1898 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
1902 /* Set Status column. */
1904 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1905 smap_add(&smap, "stp_state", stp_state_name(status.state));
1906 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1907 smap_add(&smap, "stp_role", stp_role_name(status.role));
1908 ovsrec_port_set_status(port->cfg, &smap);
1909 smap_destroy(&smap);
1911 /* Set Statistics column. */
1912 keys[0] = "stp_tx_count";
1913 int_values[0] = status.tx_count;
1914 keys[1] = "stp_rx_count";
1915 int_values[1] = status.rx_count;
1916 keys[2] = "stp_error_count";
1917 int_values[2] = status.error_count;
1919 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1920 ARRAY_SIZE(int_values));
1924 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1926 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
1930 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
1932 bool enable = enable_system_stats(cfg);
1934 system_stats_enable(enable);
1936 ovsrec_open_vswitch_set_statistics(cfg, NULL);
1941 run_system_stats(void)
1943 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1946 stats = system_stats_run();
1948 struct ovsdb_idl_txn *txn;
1949 struct ovsdb_datum datum;
1951 txn = ovsdb_idl_txn_create(idl);
1952 ovsdb_datum_from_smap(&datum, stats);
1953 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1955 ovsdb_idl_txn_commit(txn);
1956 ovsdb_idl_txn_destroy(txn);
1962 static inline const char *
1963 nx_role_to_str(enum nx_role role)
1968 case NX_ROLE_MASTER:
1973 return "*** INVALID ROLE ***";
1978 refresh_controller_status(void)
1982 const struct ovsrec_controller *cfg;
1986 /* Accumulate status for controllers on all bridges. */
1987 HMAP_FOR_EACH (br, node, &all_bridges) {
1988 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1991 /* Update each controller in the database with current status. */
1992 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
1993 struct ofproto_controller_info *cinfo =
1994 shash_find_data(&info, cfg->target);
1997 struct smap smap = SMAP_INITIALIZER(&smap);
1998 const char **values = cinfo->pairs.values;
1999 const char **keys = cinfo->pairs.keys;
2002 for (i = 0; i < cinfo->pairs.n; i++) {
2003 smap_add(&smap, keys[i], values[i]);
2006 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
2007 ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
2008 ovsrec_controller_set_status(cfg, &smap);
2009 smap_destroy(&smap);
2011 ovsrec_controller_set_is_connected(cfg, false);
2012 ovsrec_controller_set_role(cfg, NULL);
2013 ovsrec_controller_set_status(cfg, NULL);
2017 ofproto_free_ofproto_controller_info(&info);
2021 refresh_instant_stats(void)
2023 static struct ovsdb_idl_txn *txn = NULL;
2028 txn = ovsdb_idl_txn_create(idl);
2030 HMAP_FOR_EACH (br, node, &all_bridges) {
2031 struct iface *iface;
2034 br_refresh_stp_status(br);
2036 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2037 port_refresh_stp_status(port);
2040 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
2041 enum netdev_flags flags;
2042 const char *link_state;
2043 int64_t link_resets;
2046 if (iface_is_synthetic(iface)) {
2050 current = ofproto_port_is_lacp_current(br->ofproto,
2054 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2056 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2059 error = netdev_get_flags(iface->netdev, &flags);
2061 const char *state = flags & NETDEV_UP ? "up" : "down";
2062 ovsrec_interface_set_admin_state(iface->cfg, state);
2064 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2067 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2068 ovsrec_interface_set_link_state(iface->cfg, link_state);
2070 link_resets = netdev_get_carrier_resets(iface->netdev);
2071 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2073 iface_refresh_cfm_stats(iface);
2078 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2079 ovsdb_idl_txn_destroy(txn);
2084 /* Performs periodic activity required by bridges that needs to be done with
2085 * the least possible latency.
2087 * It makes sense to call this function a couple of times per poll loop, to
2088 * provide a significant performance boost on some benchmarks with ofprotos
2089 * that use the ofproto-dpif implementation. */
2091 bridge_run_fast(void)
2098 ofproto_enumerate_types(&types);
2099 SSET_FOR_EACH (type, &types) {
2100 ofproto_type_run_fast(type);
2102 sset_destroy(&types);
2104 HMAP_FOR_EACH (br, node, &all_bridges) {
2105 ofproto_run_fast(br->ofproto);
2112 static const struct ovsrec_open_vswitch null_cfg;
2113 const struct ovsrec_open_vswitch *cfg;
2114 struct ovsdb_idl_txn *reconf_txn = NULL;
2118 bool vlan_splinters_changed;
2121 ovsrec_open_vswitch_init((struct ovsrec_open_vswitch *) &null_cfg);
2123 /* (Re)configure if necessary. */
2124 if (!reconfiguring) {
2127 if (ovsdb_idl_is_lock_contended(idl)) {
2128 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2129 struct bridge *br, *next_br;
2131 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2132 "disabling this process until it goes away");
2134 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2138 } else if (!ovsdb_idl_has_lock(idl)) {
2142 cfg = ovsrec_open_vswitch_first(idl);
2144 /* Initialize the ofproto library. This only needs to run once, but
2145 * it must be done after the configuration is set. If the
2146 * initialization has already occurred, bridge_init_ofproto()
2147 * returns immediately. */
2148 bridge_init_ofproto(cfg);
2150 /* Let each datapath type do the work that it needs to do. */
2152 ofproto_enumerate_types(&types);
2153 SSET_FOR_EACH (type, &types) {
2154 ofproto_type_run(type);
2156 sset_destroy(&types);
2158 /* Let each bridge do the work that it needs to do. */
2159 HMAP_FOR_EACH (br, node, &all_bridges) {
2160 ofproto_run(br->ofproto);
2163 /* Re-configure SSL. We do this on every trip through the main loop,
2164 * instead of just when the database changes, because the contents of the
2165 * key and certificate files can change without the database changing.
2167 * We do this before bridge_reconfigure() because that function might
2168 * initiate SSL connections and thus requires SSL to be configured. */
2169 if (cfg && cfg->ssl) {
2170 const struct ovsrec_ssl *ssl = cfg->ssl;
2172 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2173 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2176 if (!reconfiguring) {
2177 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2178 * usage has changed. */
2179 vlan_splinters_changed = false;
2180 if (vlan_splinters_enabled_anywhere) {
2181 HMAP_FOR_EACH (br, node, &all_bridges) {
2182 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2183 vlan_splinters_changed = true;
2189 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2190 idl_seqno = ovsdb_idl_get_seqno(idl);
2192 reconf_txn = ovsdb_idl_txn_create(idl);
2193 bridge_reconfigure(cfg);
2195 /* We still need to reconfigure to avoid dangling pointers to
2196 * now-destroyed ovsrec structures inside bridge data. */
2197 bridge_reconfigure(&null_cfg);
2202 if (reconfiguring) {
2205 reconf_txn = ovsdb_idl_txn_create(idl);
2207 if (bridge_reconfigure_continue(cfg)) {
2208 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2211 bridge_reconfigure_continue(&null_cfg);
2216 ovsdb_idl_txn_commit(reconf_txn);
2217 ovsdb_idl_txn_destroy(reconf_txn);
2221 /* Refresh interface and mirror stats if necessary. */
2222 if (time_msec() >= iface_stats_timer) {
2224 struct ovsdb_idl_txn *txn;
2226 txn = ovsdb_idl_txn_create(idl);
2227 HMAP_FOR_EACH (br, node, &all_bridges) {
2231 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2232 struct iface *iface;
2234 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2235 iface_refresh_stats(iface);
2236 iface_refresh_status(iface);
2240 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2241 mirror_refresh_stats(m);
2245 refresh_controller_status();
2246 ovsdb_idl_txn_commit(txn);
2247 ovsdb_idl_txn_destroy(txn); /* XXX */
2250 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
2254 refresh_instant_stats();
2263 ovsdb_idl_wait(idl);
2265 if (reconfiguring) {
2266 poll_immediate_wake();
2270 ofproto_enumerate_types(&types);
2271 SSET_FOR_EACH (type, &types) {
2272 ofproto_type_wait(type);
2274 sset_destroy(&types);
2276 if (!hmap_is_empty(&all_bridges)) {
2279 HMAP_FOR_EACH (br, node, &all_bridges) {
2280 ofproto_wait(br->ofproto);
2282 poll_timer_wait_until(iface_stats_timer);
2285 system_stats_wait();
2288 /* Adds some memory usage statistics for bridges into 'usage', for use with
2289 * memory_report(). */
2291 bridge_get_memory_usage(struct simap *usage)
2295 HMAP_FOR_EACH (br, node, &all_bridges) {
2296 ofproto_get_memory_usage(br->ofproto, usage);
2300 /* QoS unixctl user interface functions. */
2302 struct qos_unixctl_show_cbdata {
2304 struct iface *iface;
2308 qos_unixctl_show_cb(unsigned int queue_id,
2309 const struct smap *details,
2312 struct qos_unixctl_show_cbdata *data = aux;
2313 struct ds *ds = data->ds;
2314 struct iface *iface = data->iface;
2315 struct netdev_queue_stats stats;
2316 struct smap_node *node;
2319 ds_put_cstr(ds, "\n");
2321 ds_put_format(ds, "Queue %u:\n", queue_id);
2323 ds_put_cstr(ds, "Default:\n");
2326 SMAP_FOR_EACH (node, details) {
2327 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2330 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2332 if (stats.tx_packets != UINT64_MAX) {
2333 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2336 if (stats.tx_bytes != UINT64_MAX) {
2337 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2340 if (stats.tx_errors != UINT64_MAX) {
2341 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2344 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2345 queue_id, strerror(error));
2350 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2351 const char *argv[], void *aux OVS_UNUSED)
2353 struct ds ds = DS_EMPTY_INITIALIZER;
2354 struct smap smap = SMAP_INITIALIZER(&smap);
2355 struct iface *iface;
2357 struct smap_node *node;
2358 struct qos_unixctl_show_cbdata data;
2361 iface = iface_find(argv[1]);
2363 unixctl_command_reply_error(conn, "no such interface");
2367 netdev_get_qos(iface->netdev, &type, &smap);
2369 if (*type != '\0') {
2370 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2372 SMAP_FOR_EACH (node, &smap) {
2373 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2378 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2381 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2383 unixctl_command_reply(conn, ds_cstr(&ds));
2385 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2386 unixctl_command_reply_error(conn, ds_cstr(&ds));
2389 smap_destroy(&smap);
2393 /* Bridge reconfiguration functions. */
2395 bridge_create(const struct ovsrec_bridge *br_cfg)
2399 assert(!bridge_lookup(br_cfg->name));
2400 br = xzalloc(sizeof *br);
2402 br->name = xstrdup(br_cfg->name);
2403 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2406 /* Derive the default Ethernet address from the bridge's UUID. This should
2407 * be unique and it will be stable between ovs-vswitchd runs. */
2408 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2409 eth_addr_mark_random(br->default_ea);
2411 hmap_init(&br->ports);
2412 hmap_init(&br->ifaces);
2413 hmap_init(&br->iface_by_name);
2414 hmap_init(&br->mirrors);
2416 hmap_init(&br->if_cfg_todo);
2417 list_init(&br->ofpp_garbage);
2419 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
2423 bridge_destroy(struct bridge *br)
2426 struct mirror *mirror, *next_mirror;
2427 struct port *port, *next_port;
2428 struct if_cfg *if_cfg, *next_if_cfg;
2429 struct ofpp_garbage *garbage, *next_garbage;
2431 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
2434 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2435 mirror_destroy(mirror);
2437 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2438 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2441 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2442 &br->ofpp_garbage) {
2443 list_remove(&garbage->list_node);
2447 hmap_remove(&all_bridges, &br->node);
2448 ofproto_destroy(br->ofproto);
2449 hmap_destroy(&br->ifaces);
2450 hmap_destroy(&br->ports);
2451 hmap_destroy(&br->iface_by_name);
2452 hmap_destroy(&br->mirrors);
2453 hmap_destroy(&br->if_cfg_todo);
2460 static struct bridge *
2461 bridge_lookup(const char *name)
2465 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
2466 if (!strcmp(br->name, name)) {
2473 /* Handle requests for a listing of all flows known by the OpenFlow
2474 * stack, including those normally hidden. */
2476 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2477 const char *argv[], void *aux OVS_UNUSED)
2482 br = bridge_lookup(argv[1]);
2484 unixctl_command_reply_error(conn, "Unknown bridge");
2489 ofproto_get_all_flows(br->ofproto, &results);
2491 unixctl_command_reply(conn, ds_cstr(&results));
2492 ds_destroy(&results);
2495 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2496 * connections and reconnect. If BRIDGE is not specified, then all bridges
2497 * drop their controller connections and reconnect. */
2499 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2500 const char *argv[], void *aux OVS_UNUSED)
2504 br = bridge_lookup(argv[1]);
2506 unixctl_command_reply_error(conn, "Unknown bridge");
2509 ofproto_reconnect_controllers(br->ofproto);
2511 HMAP_FOR_EACH (br, node, &all_bridges) {
2512 ofproto_reconnect_controllers(br->ofproto);
2515 unixctl_command_reply(conn, NULL);
2519 bridge_get_controllers(const struct bridge *br,
2520 struct ovsrec_controller ***controllersp)
2522 struct ovsrec_controller **controllers;
2523 size_t n_controllers;
2525 controllers = br->cfg->controller;
2526 n_controllers = br->cfg->n_controller;
2528 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2534 *controllersp = controllers;
2536 return n_controllers;
2540 bridge_queue_if_cfg(struct bridge *br,
2541 const struct ovsrec_interface *cfg,
2542 const struct ovsrec_port *parent)
2544 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2547 if_cfg->parent = parent;
2548 if_cfg->ofport = cfg->n_ofport_request ? *cfg->ofport_request : OFPP_NONE;
2549 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2550 hash_string(if_cfg->cfg->name, 0));
2553 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2554 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2555 * 'br' needs to complete its configuration. */
2557 bridge_add_del_ports(struct bridge *br,
2558 const unsigned long int *splinter_vlans)
2560 struct shash_node *port_node;
2561 struct port *port, *next;
2562 struct shash new_ports;
2565 assert(hmap_is_empty(&br->if_cfg_todo));
2567 /* Collect new ports. */
2568 shash_init(&new_ports);
2569 for (i = 0; i < br->cfg->n_ports; i++) {
2570 const char *name = br->cfg->ports[i]->name;
2571 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2572 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2576 if (bridge_get_controllers(br, NULL)
2577 && !shash_find(&new_ports, br->name)) {
2578 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2579 br->name, br->name);
2581 ovsrec_interface_init(&br->synth_local_iface);
2582 ovsrec_port_init(&br->synth_local_port);
2584 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2585 br->synth_local_port.n_interfaces = 1;
2586 br->synth_local_port.name = br->name;
2588 br->synth_local_iface.name = br->name;
2589 br->synth_local_iface.type = "internal";
2591 br->synth_local_ifacep = &br->synth_local_iface;
2593 shash_add(&new_ports, br->name, &br->synth_local_port);
2596 if (splinter_vlans) {
2597 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2600 /* Get rid of deleted ports.
2601 * Get rid of deleted interfaces on ports that still exist. */
2602 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
2603 port->cfg = shash_find_data(&new_ports, port->name);
2607 port_del_ifaces(port);
2611 /* Update iface->cfg and iface->type in interfaces that still exist.
2612 * Add new interfaces to creation queue. */
2613 SHASH_FOR_EACH (port_node, &new_ports) {
2614 const struct ovsrec_port *port = port_node->data;
2617 for (i = 0; i < port->n_interfaces; i++) {
2618 const struct ovsrec_interface *cfg = port->interfaces[i];
2619 struct iface *iface = iface_lookup(br, cfg->name);
2620 const char *type = iface_get_type(cfg, br->cfg);
2625 } else if (!strcmp(type, "null")) {
2626 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2627 " may be removed in February 2013. Please email"
2628 " dev@openvswitch.org with concerns.",
2631 bridge_queue_if_cfg(br, cfg, port);
2636 shash_destroy(&new_ports);
2639 /* Initializes 'oc' appropriately as a management service controller for
2642 * The caller must free oc->target when it is no longer needed. */
2644 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2645 struct ofproto_controller *oc)
2647 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
2648 oc->max_backoff = 0;
2649 oc->probe_interval = 60;
2650 oc->band = OFPROTO_OUT_OF_BAND;
2652 oc->burst_limit = 0;
2653 oc->enable_async_msgs = true;
2656 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2658 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2659 struct ofproto_controller *oc)
2663 oc->target = c->target;
2664 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2665 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2666 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2667 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
2668 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2669 oc->burst_limit = (c->controller_burst_limit
2670 ? *c->controller_burst_limit : 0);
2671 oc->enable_async_msgs = (!c->enable_async_messages
2672 || *c->enable_async_messages);
2673 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2674 if (dscp < 0 || dscp > 63) {
2675 dscp = DSCP_DEFAULT;
2680 /* Configures the IP stack for 'br''s local interface properly according to the
2681 * configuration in 'c'. */
2683 bridge_configure_local_iface_netdev(struct bridge *br,
2684 struct ovsrec_controller *c)
2686 struct netdev *netdev;
2687 struct in_addr mask, gateway;
2689 struct iface *local_iface;
2692 /* If there's no local interface or no IP address, give up. */
2693 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
2694 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2698 /* Bring up the local interface. */
2699 netdev = local_iface->netdev;
2700 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2702 /* Configure the IP address and netmask. */
2703 if (!c->local_netmask
2704 || !inet_aton(c->local_netmask, &mask)
2706 mask.s_addr = guess_netmask(ip.s_addr);
2708 if (!netdev_set_in4(netdev, ip, mask)) {
2709 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
2710 br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr));
2713 /* Configure the default gateway. */
2714 if (c->local_gateway
2715 && inet_aton(c->local_gateway, &gateway)
2716 && gateway.s_addr) {
2717 if (!netdev_add_router(netdev, gateway)) {
2718 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
2719 br->name, IP_ARGS(&gateway.s_addr));
2724 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2725 * in either string are treated as equal to any number of slashes in the other,
2726 * e.g. "x///y" is equal to "x/y". */
2728 equal_pathnames(const char *a, const char *b)
2732 a += strspn(a, "/");
2733 b += strspn(b, "/");
2734 } else if (*a == '\0') {
2745 bridge_configure_remotes(struct bridge *br,
2746 const struct sockaddr_in *managers, size_t n_managers)
2748 bool disable_in_band;
2750 struct ovsrec_controller **controllers;
2751 size_t n_controllers;
2753 enum ofproto_fail_mode fail_mode;
2755 struct ofproto_controller *ocs;
2759 /* Check if we should disable in-band control on this bridge. */
2760 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2763 /* Set OpenFlow queue ID for in-band control. */
2764 ofproto_set_in_band_queue(br->ofproto,
2765 smap_get_int(&br->cfg->other_config,
2766 "in-band-queue", -1));
2768 if (disable_in_band) {
2769 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2771 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2774 n_controllers = bridge_get_controllers(br, &controllers);
2776 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2779 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2780 for (i = 0; i < n_controllers; i++) {
2781 struct ovsrec_controller *c = controllers[i];
2783 if (!strncmp(c->target, "punix:", 6)
2784 || !strncmp(c->target, "unix:", 5)) {
2785 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2788 whitelist = xasprintf("unix:%s/%s.controller",
2789 ovs_rundir(), br->name);
2790 if (!equal_pathnames(c->target, whitelist)) {
2791 /* Prevent remote ovsdb-server users from accessing arbitrary
2792 * Unix domain sockets and overwriting arbitrary local
2794 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2795 "controller \"%s\" due to possibility for remote "
2796 "exploit. Instead, specify whitelisted \"%s\" or "
2797 "connect to \"unix:%s/%s.mgmt\" (which is always "
2798 "available without special configuration).",
2799 br->name, c->target, whitelist,
2800 ovs_rundir(), br->name);
2808 bridge_configure_local_iface_netdev(br, c);
2809 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2810 if (disable_in_band) {
2811 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
2816 ofproto_set_controllers(br->ofproto, ocs, n_ocs,
2817 bridge_get_allowed_versions(br));
2818 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2821 /* Set the fail-mode. */
2822 fail_mode = !br->cfg->fail_mode
2823 || !strcmp(br->cfg->fail_mode, "standalone")
2824 ? OFPROTO_FAIL_STANDALONE
2825 : OFPROTO_FAIL_SECURE;
2826 ofproto_set_fail_mode(br->ofproto, fail_mode);
2828 /* Configure OpenFlow controller connection snooping. */
2829 if (!ofproto_has_snoops(br->ofproto)) {
2833 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2834 ovs_rundir(), br->name));
2835 ofproto_set_snoops(br->ofproto, &snoops);
2836 sset_destroy(&snoops);
2841 bridge_configure_tables(struct bridge *br)
2843 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2847 n_tables = ofproto_get_n_tables(br->ofproto);
2849 for (i = 0; i < n_tables; i++) {
2850 struct ofproto_table_settings s;
2853 s.max_flows = UINT_MAX;
2857 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2858 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2861 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2862 s.max_flows = *cfg->flow_limit;
2864 if (cfg->overflow_policy
2865 && !strcmp(cfg->overflow_policy, "evict")) {
2868 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2869 for (k = 0; k < cfg->n_groups; k++) {
2870 const char *string = cfg->groups[k];
2873 msg = mf_parse_subfield__(&s.groups[k], &string);
2875 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2876 "'groups' (%s)", br->name, i, msg);
2878 } else if (*string) {
2879 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2880 "element '%s' contains trailing garbage",
2881 br->name, i, cfg->groups[k]);
2889 ofproto_configure_table(br->ofproto, i, &s);
2893 for (; j < br->cfg->n_flow_tables; j++) {
2894 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2895 "%"PRId64" not supported by this datapath", br->name,
2896 br->cfg->key_flow_tables[j]);
2900 /* Port functions. */
2902 static struct port *
2903 port_create(struct bridge *br, const struct ovsrec_port *cfg)
2907 port = xzalloc(sizeof *port);
2909 port->name = xstrdup(cfg->name);
2911 list_init(&port->ifaces);
2913 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
2917 /* Deletes interfaces from 'port' that are no longer configured for it. */
2919 port_del_ifaces(struct port *port)
2921 struct iface *iface, *next;
2922 struct sset new_ifaces;
2925 /* Collect list of new interfaces. */
2926 sset_init(&new_ifaces);
2927 for (i = 0; i < port->cfg->n_interfaces; i++) {
2928 const char *name = port->cfg->interfaces[i]->name;
2929 const char *type = port->cfg->interfaces[i]->type;
2930 if (strcmp(type, "null")) {
2931 sset_add(&new_ifaces, name);
2935 /* Get rid of deleted interfaces. */
2936 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2937 if (!sset_contains(&new_ifaces, iface->name)) {
2938 iface_destroy(iface);
2942 sset_destroy(&new_ifaces);
2946 port_destroy(struct port *port)
2949 struct bridge *br = port->bridge;
2950 struct iface *iface, *next;
2953 ofproto_bundle_unregister(br->ofproto, port);
2956 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2957 iface_destroy(iface);
2960 hmap_remove(&br->ports, &port->hmap_node);
2966 static struct port *
2967 port_lookup(const struct bridge *br, const char *name)
2971 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
2973 if (!strcmp(port->name, name)) {
2981 enable_lacp(struct port *port, bool *activep)
2983 if (!port->cfg->lacp) {
2984 /* XXX when LACP implementation has been sufficiently tested, enable by
2985 * default and make active on bonded ports. */
2987 } else if (!strcmp(port->cfg->lacp, "off")) {
2989 } else if (!strcmp(port->cfg->lacp, "active")) {
2992 } else if (!strcmp(port->cfg->lacp, "passive")) {
2996 VLOG_WARN("port %s: unknown LACP mode %s",
2997 port->name, port->cfg->lacp);
3002 static struct lacp_settings *
3003 port_configure_lacp(struct port *port, struct lacp_settings *s)
3005 const char *lacp_time, *system_id;
3008 if (!enable_lacp(port, &s->active)) {
3012 s->name = port->name;
3014 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
3016 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3017 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3018 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3019 " address.", port->name, system_id);
3023 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3026 if (eth_addr_is_zero(s->id)) {
3027 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3031 /* Prefer bondable links if unspecified. */
3032 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3034 s->priority = (priority > 0 && priority <= UINT16_MAX
3036 : UINT16_MAX - !list_is_short(&port->ifaces));
3038 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3039 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3044 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3046 int priority, portid, key;
3048 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3049 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3051 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3053 if (portid <= 0 || portid > UINT16_MAX) {
3054 portid = iface->ofp_port;
3057 if (priority <= 0 || priority > UINT16_MAX) {
3058 priority = UINT16_MAX;
3061 if (key < 0 || key > UINT16_MAX) {
3065 s->name = iface->name;
3067 s->priority = priority;
3072 port_configure_bond(struct port *port, struct bond_settings *s,
3073 uint32_t *bond_stable_ids)
3075 const char *detect_s;
3076 struct iface *iface;
3077 int miimon_interval;
3080 s->name = port->name;
3082 if (port->cfg->bond_mode) {
3083 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3084 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3085 port->name, port->cfg->bond_mode,
3086 bond_mode_to_string(s->balance));
3089 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3091 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3092 * active-backup. At some point we should remove this warning. */
3093 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3094 " in previous versions, the default bond_mode was"
3095 " balance-slb", port->name,
3096 bond_mode_to_string(s->balance));
3098 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3099 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3100 "please use another bond type or disable flood_vlans",
3104 miimon_interval = smap_get_int(&port->cfg->other_config,
3105 "bond-miimon-interval", 0);
3106 if (miimon_interval <= 0) {
3107 miimon_interval = 200;
3110 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3111 if (!detect_s || !strcmp(detect_s, "carrier")) {
3112 miimon_interval = 0;
3113 } else if (strcmp(detect_s, "miimon")) {
3114 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3115 "defaulting to carrier", port->name, detect_s);
3116 miimon_interval = 0;
3119 s->up_delay = MAX(0, port->cfg->bond_updelay);
3120 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3121 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3122 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3123 "bond-rebalance-interval", 10000);
3124 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3125 s->rebalance_interval = 1000;
3128 s->fake_iface = port->cfg->bond_fake_iface;
3131 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3132 long long stable_id;
3134 stable_id = smap_get_int(&iface->cfg->other_config, "bond-stable-id",
3136 if (stable_id <= 0 || stable_id >= UINT32_MAX) {
3137 stable_id = iface->ofp_port;
3139 bond_stable_ids[i++] = stable_id;
3141 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3145 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3146 * instead of obtaining it from the database. */
3148 port_is_synthetic(const struct port *port)
3150 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3153 /* Interface functions. */
3156 iface_is_internal(const struct ovsrec_interface *iface,
3157 const struct ovsrec_bridge *br)
3159 /* The local port and "internal" ports are always "internal". */
3160 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
3163 /* Returns the correct network device type for interface 'iface' in bridge
3166 iface_get_type(const struct ovsrec_interface *iface,
3167 const struct ovsrec_bridge *br)
3171 /* The local port always has type "internal". Other ports take
3172 * their type from the database and default to "system" if none is
3174 if (iface_is_internal(iface, br)) {
3177 type = iface->type[0] ? iface->type : "system";
3180 return ofproto_port_open_type(br->datapath_type, type);
3184 iface_destroy(struct iface *iface)
3187 struct port *port = iface->port;
3188 struct bridge *br = port->bridge;
3190 if (br->ofproto && iface->ofp_port >= 0) {
3191 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3194 if (iface->ofp_port >= 0) {
3195 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3198 list_remove(&iface->port_elem);
3199 hmap_remove(&br->iface_by_name, &iface->name_node);
3201 netdev_close(iface->netdev);
3208 static struct iface *
3209 iface_lookup(const struct bridge *br, const char *name)
3211 struct iface *iface;
3213 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3214 &br->iface_by_name) {
3215 if (!strcmp(iface->name, name)) {
3223 static struct iface *
3224 iface_find(const char *name)
3226 const struct bridge *br;
3228 HMAP_FOR_EACH (br, node, &all_bridges) {
3229 struct iface *iface = iface_lookup(br, name);
3238 static struct if_cfg *
3239 if_cfg_lookup(const struct bridge *br, const char *name)
3241 struct if_cfg *if_cfg;
3243 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3245 if (!strcmp(if_cfg->cfg->name, name)) {
3253 static struct iface *
3254 iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
3256 struct iface *iface;
3258 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3259 hash_int(ofp_port, 0), &br->ifaces) {
3260 if (iface->ofp_port == ofp_port) {
3267 /* Set Ethernet address of 'iface', if one is specified in the configuration
3270 iface_set_mac(struct iface *iface)
3272 uint8_t ea[ETH_ADDR_LEN];
3274 if (!strcmp(iface->type, "internal")
3275 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3276 if (iface->ofp_port == OFPP_LOCAL) {
3277 VLOG_ERR("interface %s: ignoring mac in Interface record "
3278 "(use Bridge record to set local port's mac)",
3280 } else if (eth_addr_is_multicast(ea)) {
3281 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3284 int error = netdev_set_etheraddr(iface->netdev, ea);
3286 VLOG_ERR("interface %s: setting MAC failed (%s)",
3287 iface->name, strerror(error));
3293 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3295 iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3297 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3298 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3302 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3303 * sets the "ofport" field to -1.
3305 * This is appropriate when 'if_cfg''s interface cannot be created or is
3306 * otherwise invalid. */
3308 iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3310 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3311 iface_set_ofport(if_cfg, -1);
3312 ovsrec_interface_set_status(if_cfg, NULL);
3313 ovsrec_interface_set_admin_state(if_cfg, NULL);
3314 ovsrec_interface_set_duplex(if_cfg, NULL);
3315 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3316 ovsrec_interface_set_link_state(if_cfg, NULL);
3317 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3318 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3319 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3320 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3321 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3322 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3326 struct iface_delete_queues_cbdata {
3327 struct netdev *netdev;
3328 const struct ovsdb_datum *queues;
3332 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3334 union ovsdb_atom atom;
3336 atom.integer = target;
3337 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
3341 iface_delete_queues(unsigned int queue_id,
3342 const struct smap *details OVS_UNUSED, void *cbdata_)
3344 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3346 if (!queue_ids_include(cbdata->queues, queue_id)) {
3347 netdev_delete_queue(cbdata->netdev, queue_id);
3352 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
3354 struct ofpbuf queues_buf;
3356 ofpbuf_init(&queues_buf, 0);
3358 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
3359 netdev_set_qos(iface->netdev, NULL, NULL);
3361 struct iface_delete_queues_cbdata cbdata;
3365 /* Configure top-level Qos for 'iface'. */
3366 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
3368 /* Deconfigure queues that were deleted. */
3369 cbdata.netdev = iface->netdev;
3370 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3372 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3374 /* Configure queues for 'iface'. */
3376 for (i = 0; i < qos->n_queues; i++) {
3377 const struct ovsrec_queue *queue = qos->value_queues[i];
3378 unsigned int queue_id = qos->key_queues[i];
3380 if (queue_id == 0) {
3384 if (queue->n_dscp == 1) {
3385 struct ofproto_port_queue *port_queue;
3387 port_queue = ofpbuf_put_uninit(&queues_buf,
3388 sizeof *port_queue);
3389 port_queue->queue = queue_id;
3390 port_queue->dscp = queue->dscp[0];
3393 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
3396 struct smap details;
3398 smap_init(&details);
3399 netdev_set_queue(iface->netdev, 0, &details);
3400 smap_destroy(&details);
3404 if (iface->ofp_port >= 0) {
3405 const struct ofproto_port_queue *port_queues = queues_buf.data;
3406 size_t n_queues = queues_buf.size / sizeof *port_queues;
3408 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3409 port_queues, n_queues);
3412 netdev_set_policing(iface->netdev,
3413 iface->cfg->ingress_policing_rate,
3414 iface->cfg->ingress_policing_burst);
3416 ofpbuf_uninit(&queues_buf);
3420 iface_configure_cfm(struct iface *iface)
3422 const struct ovsrec_interface *cfg = iface->cfg;
3423 const char *opstate_str;
3424 const char *cfm_ccm_vlan;
3425 struct cfm_settings s;
3426 struct smap netdev_args;
3428 if (!cfg->n_cfm_mpid) {
3429 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
3433 s.check_tnl_key = false;
3434 smap_init(&netdev_args);
3435 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3436 const char *key = smap_get(&netdev_args, "key");
3437 const char *in_key = smap_get(&netdev_args, "in_key");
3439 s.check_tnl_key = (key && !strcmp(key, "flow"))
3440 || (in_key && !strcmp(in_key, "flow"));
3442 smap_destroy(&netdev_args);
3444 s.mpid = *cfg->cfm_mpid;
3445 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3446 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3447 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3449 if (s.interval <= 0) {
3453 if (!cfm_ccm_vlan) {
3455 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
3456 s.ccm_vlan = CFM_RANDOM_VLAN;
3458 s.ccm_vlan = atoi(cfm_ccm_vlan);
3459 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3464 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3467 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3468 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
3470 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
3473 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3474 * instead of obtaining it from the database. */
3476 iface_is_synthetic(const struct iface *iface)
3478 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3482 /* Port mirroring. */
3484 static struct mirror *
3485 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3489 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3490 if (uuid_equals(uuid, &m->uuid)) {
3498 bridge_configure_mirrors(struct bridge *br)
3500 const struct ovsdb_datum *mc;
3501 unsigned long *flood_vlans;
3502 struct mirror *m, *next;
3505 /* Get rid of deleted mirrors. */
3506 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3507 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3508 union ovsdb_atom atom;
3510 atom.uuid = m->uuid;
3511 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3516 /* Add new mirrors and reconfigure existing ones. */
3517 for (i = 0; i < br->cfg->n_mirrors; i++) {
3518 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
3519 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
3521 m = mirror_create(br, cfg);
3524 if (!mirror_configure(m)) {
3529 /* Update flooded vlans (for RSPAN). */
3530 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3531 br->cfg->n_flood_vlans);
3532 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3533 bitmap_free(flood_vlans);
3536 static struct mirror *
3537 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
3541 m = xzalloc(sizeof *m);
3542 m->uuid = cfg->header_.uuid;
3543 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
3545 m->name = xstrdup(cfg->name);
3551 mirror_destroy(struct mirror *m)
3554 struct bridge *br = m->bridge;
3557 ofproto_mirror_unregister(br->ofproto, m);
3560 hmap_remove(&br->mirrors, &m->hmap_node);
3567 mirror_collect_ports(struct mirror *m,
3568 struct ovsrec_port **in_ports, int n_in_ports,
3569 void ***out_portsp, size_t *n_out_portsp)
3571 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3572 size_t n_out_ports = 0;
3575 for (i = 0; i < n_in_ports; i++) {
3576 const char *name = in_ports[i]->name;
3577 struct port *port = port_lookup(m->bridge, name);
3579 out_ports[n_out_ports++] = port;
3581 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3582 "port %s", m->bridge->name, m->name, name);
3585 *out_portsp = out_ports;
3586 *n_out_portsp = n_out_ports;
3590 mirror_configure(struct mirror *m)
3592 const struct ovsrec_mirror *cfg = m->cfg;
3593 struct ofproto_mirror_settings s;
3596 if (strcmp(cfg->name, m->name)) {
3598 m->name = xstrdup(cfg->name);
3602 /* Get output port or VLAN. */
3603 if (cfg->output_port) {
3604 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
3605 if (!s.out_bundle) {
3606 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3607 m->bridge->name, m->name);
3610 s.out_vlan = UINT16_MAX;
3612 if (cfg->output_vlan) {
3613 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3614 "output vlan; ignoring output vlan",
3615 m->bridge->name, m->name);
3617 } else if (cfg->output_vlan) {
3618 /* The database should prevent invalid VLAN values. */
3619 s.out_bundle = NULL;
3620 s.out_vlan = *cfg->output_vlan;
3622 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3623 m->bridge->name, m->name);
3627 /* Get port selection. */
3628 if (cfg->select_all) {
3629 size_t n_ports = hmap_count(&m->bridge->ports);
3630 void **ports = xmalloc(n_ports * sizeof *ports);
3635 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
3645 /* Get ports, dropping ports that don't exist.
3646 * The IDL ensures that there are no duplicates. */
3647 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
3648 &s.srcs, &s.n_srcs);
3649 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
3650 &s.dsts, &s.n_dsts);
3653 /* Get VLAN selection. */
3654 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3657 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3660 if (s.srcs != s.dsts) {
3669 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3671 * This is deprecated. It is only for compatibility with broken device drivers
3672 * in old versions of Linux that do not properly support VLANs when VLAN
3673 * devices are not used. When broken device drivers are no longer in
3674 * widespread use, we will delete these interfaces. */
3676 static struct ovsrec_port **recs;
3677 static size_t n_recs, allocated_recs;
3679 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3680 * splinters are reconfigured. */
3682 register_rec(struct ovsrec_port *rec)
3684 if (n_recs >= allocated_recs) {
3685 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
3687 recs[n_recs++] = rec;
3690 /* Frees all of the ports registered with register_reg(). */
3692 free_registered_recs(void)
3696 for (i = 0; i < n_recs; i++) {
3697 struct ovsrec_port *port = recs[i];
3700 for (j = 0; j < port->n_interfaces; j++) {
3701 struct ovsrec_interface *iface = port->interfaces[j];
3706 smap_destroy(&port->other_config);
3707 free(port->interfaces);
3715 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3718 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3720 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3724 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3727 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3728 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3729 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3732 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3733 * use, returns NULL.
3735 * Updates 'vlan_splinters_enabled_anywhere'. */
3736 static unsigned long int *
3737 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3739 unsigned long int *splinter_vlans;
3740 struct sset splinter_ifaces;
3741 const char *real_dev_name;
3742 struct shash *real_devs;
3743 struct shash_node *node;
3747 /* Free space allocated for synthesized ports and interfaces, since we're
3748 * in the process of reconstructing all of them. */
3749 free_registered_recs();
3751 splinter_vlans = bitmap_allocate(4096);
3752 sset_init(&splinter_ifaces);
3753 vlan_splinters_enabled_anywhere = false;
3754 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3755 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3758 for (j = 0; j < br_cfg->n_ports; j++) {
3759 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3762 for (k = 0; k < port_cfg->n_interfaces; k++) {
3763 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3765 if (vlan_splinters_is_enabled(iface_cfg)) {
3766 vlan_splinters_enabled_anywhere = true;
3767 sset_add(&splinter_ifaces, iface_cfg->name);
3768 vlan_bitmap_from_array__(port_cfg->trunks,
3774 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3775 bitmap_set1(splinter_vlans, *port_cfg->tag);
3780 if (!vlan_splinters_enabled_anywhere) {
3781 free(splinter_vlans);
3782 sset_destroy(&splinter_ifaces);
3786 HMAP_FOR_EACH (br, node, &all_bridges) {
3788 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3792 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3793 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3794 * device to be created for it. */
3795 bitmap_set0(splinter_vlans, 0);
3796 bitmap_set0(splinter_vlans, 4095);
3798 /* Delete all VLAN devices that we don't need. */
3800 real_devs = vlandev_get_real_devs();
3801 SHASH_FOR_EACH (node, real_devs) {
3802 const struct vlan_real_dev *real_dev = node->data;
3803 const struct vlan_dev *vlan_dev;
3804 bool real_dev_has_splinters;
3806 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3808 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3809 if (!real_dev_has_splinters
3810 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3811 struct netdev *netdev;
3813 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3814 if (!netdev_get_in4(netdev, NULL, NULL) ||
3815 !netdev_get_in6(netdev, NULL)) {
3816 vlandev_del(vlan_dev->name);
3818 /* It has an IP address configured, so we don't own
3819 * it. Don't delete it. */
3821 netdev_close(netdev);
3828 /* Add all VLAN devices that we need. */
3829 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3832 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3833 if (!vlandev_get_name(real_dev_name, vid)) {
3834 vlandev_add(real_dev_name, vid);
3841 sset_destroy(&splinter_ifaces);
3843 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3844 free(splinter_vlans);
3847 return splinter_vlans;
3850 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3853 configure_splinter_port(struct port *port)
3855 struct ofproto *ofproto = port->bridge->ofproto;
3856 uint16_t realdev_ofp_port;
3857 const char *realdev_name;
3858 struct iface *vlandev, *realdev;
3860 ofproto_bundle_unregister(port->bridge->ofproto, port);
3862 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3865 realdev_name = smap_get(&port->cfg->other_config, "realdev");
3866 realdev = iface_lookup(port->bridge, realdev_name);
3867 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3869 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3873 static struct ovsrec_port *
3874 synthesize_splinter_port(const char *real_dev_name,
3875 const char *vlan_dev_name, int vid)
3877 struct ovsrec_interface *iface;
3878 struct ovsrec_port *port;
3880 iface = xmalloc(sizeof *iface);
3881 ovsrec_interface_init(iface);
3882 iface->name = xstrdup(vlan_dev_name);
3883 iface->type = "system";
3885 port = xmalloc(sizeof *port);
3886 ovsrec_port_init(port);
3887 port->interfaces = xmemdup(&iface, sizeof iface);
3888 port->n_interfaces = 1;
3889 port->name = xstrdup(vlan_dev_name);
3890 port->vlan_mode = "splinter";
3891 port->tag = xmalloc(sizeof *port->tag);
3894 smap_add(&port->other_config, "realdev", real_dev_name);
3900 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3901 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3902 * 1-bit in the 'splinter_vlans' bitmap. */
3904 add_vlan_splinter_ports(struct bridge *br,
3905 const unsigned long int *splinter_vlans,
3906 struct shash *ports)
3910 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3911 * we're modifying 'ports'. */
3912 for (i = 0; i < br->cfg->n_ports; i++) {
3913 const char *name = br->cfg->ports[i]->name;
3914 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3917 for (j = 0; j < port_cfg->n_interfaces; j++) {
3918 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3920 if (vlan_splinters_is_enabled(iface_cfg)) {
3921 const char *real_dev_name;
3924 real_dev_name = iface_cfg->name;
3925 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3926 const char *vlan_dev_name;
3928 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3930 && !shash_find(ports, vlan_dev_name)) {
3931 shash_add(ports, vlan_dev_name,
3932 synthesize_splinter_port(
3933 real_dev_name, vlan_dev_name, vid));
3942 mirror_refresh_stats(struct mirror *m)
3944 struct ofproto *ofproto = m->bridge->ofproto;
3945 uint64_t tx_packets, tx_bytes;
3948 size_t stat_cnt = 0;
3950 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3951 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
3955 if (tx_packets != UINT64_MAX) {
3956 keys[stat_cnt] = "tx_packets";
3957 values[stat_cnt] = tx_packets;
3960 if (tx_bytes != UINT64_MAX) {
3961 keys[stat_cnt] = "tx_bytes";
3962 values[stat_cnt] = tx_bytes;
3966 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);