1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
28 #include "dynamic-string.h"
35 #include "mac-learning.h"
36 #include "meta-flow.h"
38 #include "ofp-print.h"
40 #include "ofproto/ofproto.h"
41 #include "poll-loop.h"
45 #include "socket-util.h"
47 #include "stream-ssl.h"
49 #include "system-stats.h"
54 #include "lib/vswitch-idl.h"
55 #include "xenserver.h"
57 #include "sflow_api.h"
58 #include "vlan-bitmap.h"
60 VLOG_DEFINE_THIS_MODULE(bridge);
62 COVERAGE_DEFINE(bridge_reconfigure);
64 /* Configuration of an uninstantiated iface. */
66 struct hmap_node hmap_node; /* Node in bridge's if_cfg_todo. */
67 const struct ovsrec_interface *cfg; /* Interface record. */
68 const struct ovsrec_port *parent; /* Parent port record. */
69 int64_t ofport; /* Requested OpenFlow port number. */
72 /* OpenFlow port slated for removal from ofproto. */
74 struct list list_node; /* Node in bridge's ofpp_garbage. */
75 uint16_t ofp_port; /* Port to be deleted. */
79 /* These members are always valid. */
80 struct list port_elem; /* Element in struct port's "ifaces" list. */
81 struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */
82 struct port *port; /* Containing port. */
83 char *name; /* Host network device name. */
85 /* These members are valid only after bridge_reconfigure() causes them to
87 struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */
88 int ofp_port; /* OpenFlow port number, -1 if unknown. */
89 struct netdev *netdev; /* Network device. */
90 const char *type; /* Usually same as cfg->type. */
91 const struct ovsrec_interface *cfg;
95 struct uuid uuid; /* UUID of this "mirror" record in database. */
96 struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */
97 struct bridge *bridge;
99 const struct ovsrec_mirror *cfg;
103 struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
104 struct bridge *bridge;
107 const struct ovsrec_port *cfg;
109 /* An ordinary bridge port has 1 interface.
110 * A bridge port for bonding has at least 2 interfaces. */
111 struct list ifaces; /* List of "struct iface"s. */
115 struct hmap_node node; /* In 'all_bridges'. */
116 char *name; /* User-specified arbitrary name. */
117 char *type; /* Datapath type. */
118 uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */
119 uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */
120 const struct ovsrec_bridge *cfg;
122 /* OpenFlow switch processing. */
123 struct ofproto *ofproto; /* OpenFlow switch. */
126 struct hmap ports; /* "struct port"s indexed by name. */
127 struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */
128 struct hmap iface_by_name; /* "struct iface"s indexed by name. */
130 struct list ofpp_garbage; /* "struct ofpp_garbage" slated for removal. */
131 struct hmap if_cfg_todo; /* "struct if_cfg"s slated for creation.
132 Indexed on 'cfg->name'. */
134 /* Port mirroring. */
135 struct hmap mirrors; /* "struct mirror" indexed by UUID. */
137 /* Synthetic local port if necessary. */
138 struct ovsrec_port synth_local_port;
139 struct ovsrec_interface synth_local_iface;
140 struct ovsrec_interface *synth_local_ifacep;
143 /* All bridges, indexed by name. */
144 static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges);
146 /* OVSDB IDL used to obtain configuration. */
147 static struct ovsdb_idl *idl;
149 /* Most recently processed IDL sequence number. */
150 static unsigned int idl_seqno;
152 /* Each time this timer expires, the bridge fetches interface and mirror
153 * statistics and pushes them into the database. */
154 #define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
155 static long long int iface_stats_timer = LLONG_MIN;
157 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
158 * expensive. This can cause bridge_reconfigure() to take a long time during
159 * which no other work can be done. To deal with this problem, we limit port
160 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
161 * call to bridge_reconfigure(). If there is more work to do after the limit
162 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
163 * This allows the rest of the code to catch up on important things like
164 * forwarding packets. */
165 #define OFP_PORT_ACTION_WINDOW 10
166 static bool reconfiguring = false;
168 static void add_del_bridges(const struct ovsrec_open_vswitch *);
169 static void bridge_update_ofprotos(void);
170 static void bridge_create(const struct ovsrec_bridge *);
171 static void bridge_destroy(struct bridge *);
172 static struct bridge *bridge_lookup(const char *name);
173 static unixctl_cb_func bridge_unixctl_dump_flows;
174 static unixctl_cb_func bridge_unixctl_reconnect;
175 static size_t bridge_get_controllers(const struct bridge *br,
176 struct ovsrec_controller ***controllersp);
177 static void bridge_add_del_ports(struct bridge *,
178 const unsigned long int *splinter_vlans);
179 static void bridge_refresh_ofp_port(struct bridge *);
180 static void bridge_configure_datapath_id(struct bridge *);
181 static void bridge_configure_flow_eviction_threshold(struct bridge *);
182 static void bridge_configure_netflow(struct bridge *);
183 static void bridge_configure_forward_bpdu(struct bridge *);
184 static void bridge_configure_mac_idle_time(struct bridge *);
185 static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number);
186 static void bridge_configure_stp(struct bridge *);
187 static void bridge_configure_tables(struct bridge *);
188 static void bridge_configure_remotes(struct bridge *,
189 const struct sockaddr_in *managers,
191 static void bridge_pick_local_hw_addr(struct bridge *,
192 uint8_t ea[ETH_ADDR_LEN],
193 struct iface **hw_addr_iface);
194 static uint64_t bridge_pick_datapath_id(struct bridge *,
195 const uint8_t bridge_ea[ETH_ADDR_LEN],
196 struct iface *hw_addr_iface);
197 static void bridge_queue_if_cfg(struct bridge *,
198 const struct ovsrec_interface *,
199 const struct ovsrec_port *);
200 static uint64_t dpid_from_hash(const void *, size_t nbytes);
201 static bool bridge_has_bond_fake_iface(const struct bridge *,
203 static bool port_is_bond_fake_iface(const struct port *);
205 static unixctl_cb_func qos_unixctl_show;
207 static struct port *port_create(struct bridge *, const struct ovsrec_port *);
208 static void port_del_ifaces(struct port *);
209 static void port_destroy(struct port *);
210 static struct port *port_lookup(const struct bridge *, const char *name);
211 static void port_configure(struct port *);
212 static struct lacp_settings *port_configure_lacp(struct port *,
213 struct lacp_settings *);
214 static void port_configure_bond(struct port *, struct bond_settings *,
215 uint32_t *bond_stable_ids);
216 static bool port_is_synthetic(const struct port *);
218 static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
219 static void run_system_stats(void);
221 static void bridge_configure_mirrors(struct bridge *);
222 static struct mirror *mirror_create(struct bridge *,
223 const struct ovsrec_mirror *);
224 static void mirror_destroy(struct mirror *);
225 static bool mirror_configure(struct mirror *);
226 static void mirror_refresh_stats(struct mirror *);
228 static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
229 static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port);
230 static const char *iface_get_type(const struct ovsrec_interface *,
231 const struct ovsrec_bridge *);
232 static void iface_destroy(struct iface *);
233 static struct iface *iface_lookup(const struct bridge *, const char *name);
234 static struct iface *iface_find(const char *name);
235 static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
236 static struct iface *iface_from_ofp_port(const struct bridge *,
238 static void iface_set_mac(struct iface *);
239 static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
240 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg);
241 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
242 static void iface_configure_cfm(struct iface *);
243 static void iface_refresh_cfm_stats(struct iface *);
244 static void iface_refresh_stats(struct iface *);
245 static void iface_refresh_status(struct iface *);
246 static bool iface_is_synthetic(const struct iface *);
248 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
250 * This is deprecated. It is only for compatibility with broken device drivers
251 * in old versions of Linux that do not properly support VLANs when VLAN
252 * devices are not used. When broken device drivers are no longer in
253 * widespread use, we will delete these interfaces. */
255 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
256 static bool vlan_splinters_enabled_anywhere;
258 static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
259 static unsigned long int *collect_splinter_vlans(
260 const struct ovsrec_open_vswitch *);
261 static void configure_splinter_port(struct port *);
262 static void add_vlan_splinter_ports(struct bridge *,
263 const unsigned long int *splinter_vlans,
264 struct shash *ports);
267 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
269 struct shash iface_hints;
270 static bool initialized = false;
277 shash_init(&iface_hints);
280 for (i = 0; i < cfg->n_bridges; i++) {
281 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
284 for (j = 0; j < br_cfg->n_ports; j++) {
285 struct ovsrec_port *port_cfg = br_cfg->ports[j];
288 for (k = 0; k < port_cfg->n_interfaces; k++) {
289 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
290 struct iface_hint *iface_hint;
292 iface_hint = xmalloc(sizeof *iface_hint);
293 iface_hint->br_name = br_cfg->name;
294 iface_hint->br_type = br_cfg->datapath_type;
295 iface_hint->ofp_port = if_cfg->n_ofport_request ?
296 *if_cfg->ofport_request : OFPP_NONE;
298 shash_add(&iface_hints, if_cfg->name, iface_hint);
304 ofproto_init(&iface_hints);
306 shash_destroy_free_data(&iface_hints);
310 /* Public functions. */
312 /* Initializes the bridge module, configuring it to obtain its configuration
313 * from an OVSDB server accessed over 'remote', which should be a string in a
314 * form acceptable to ovsdb_idl_create(). */
316 bridge_init(const char *remote)
318 /* Create connection to database. */
319 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
320 idl_seqno = ovsdb_idl_get_seqno(idl);
321 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
322 ovsdb_idl_verify_write_only(idl);
324 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
325 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
326 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
327 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
328 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
329 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
330 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
332 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
333 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
334 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
336 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
337 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
338 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
339 ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
341 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
342 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
343 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
344 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
345 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
346 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
347 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
348 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
349 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
350 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
351 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
352 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
353 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
354 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
355 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
356 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
358 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
359 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
360 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
361 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
363 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
365 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
367 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
368 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
370 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
372 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
374 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
375 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
376 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
377 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
378 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
380 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
382 /* Register unixctl commands. */
383 unixctl_command_register("qos/show", "interface", 1, 1,
384 qos_unixctl_show, NULL);
385 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
386 bridge_unixctl_dump_flows, NULL);
387 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
388 bridge_unixctl_reconnect, NULL);
398 struct bridge *br, *next_br;
400 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
403 ovsdb_idl_destroy(idl);
406 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
407 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
408 * responsible for freeing '*managersp' (with free()).
410 * You may be asking yourself "why does ovs-vswitchd care?", because
411 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
412 * should not be and in fact is not directly involved in that. But
413 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
414 * it has to tell in-band control where the managers are to enable that.
415 * (Thus, only managers connected in-band are collected.)
418 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
419 struct sockaddr_in **managersp, size_t *n_managersp)
421 struct sockaddr_in *managers = NULL;
422 size_t n_managers = 0;
426 /* Collect all of the potential targets from the "targets" columns of the
427 * rows pointed to by "manager_options", excluding any that are
430 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
431 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
433 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
434 sset_find_and_delete(&targets, m->target);
436 sset_add(&targets, m->target);
440 /* Now extract the targets' IP addresses. */
441 if (!sset_is_empty(&targets)) {
444 managers = xmalloc(sset_count(&targets) * sizeof *managers);
445 SSET_FOR_EACH (target, &targets) {
446 struct sockaddr_in *sin = &managers[n_managers];
448 if (stream_parse_target_with_default_ports(target,
456 sset_destroy(&targets);
458 *managersp = managers;
459 *n_managersp = n_managers;
463 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
465 unsigned long int *splinter_vlans;
468 COVERAGE_INC(bridge_reconfigure);
470 assert(!reconfiguring);
471 reconfiguring = true;
473 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
474 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
475 * configuration otherwise.
477 * This is mostly an update to bridge data structures. Nothing is pushed
478 * down to ofproto or lower layers. */
479 add_del_bridges(ovs_cfg);
480 splinter_vlans = collect_splinter_vlans(ovs_cfg);
481 HMAP_FOR_EACH (br, node, &all_bridges) {
482 bridge_add_del_ports(br, splinter_vlans);
484 free(splinter_vlans);
486 /* Delete datapaths that are no longer configured, and create ones which
487 * don't exist but should. */
488 bridge_update_ofprotos();
490 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
491 HMAP_FOR_EACH (br, node, &all_bridges) {
492 bridge_refresh_ofp_port(br);
495 /* Clear database records for "if_cfg"s which haven't been instantiated. */
496 HMAP_FOR_EACH (br, node, &all_bridges) {
497 struct if_cfg *if_cfg;
499 HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
500 iface_clear_db_record(if_cfg->cfg);
504 reconfigure_system_stats(ovs_cfg);
508 bridge_reconfigure_ofp(void)
510 long long int deadline;
514 deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
516 /* The kernel will reject any attempt to add a given port to a datapath if
517 * that port already belongs to a different datapath, so we must do all
518 * port deletions before any port additions. */
519 HMAP_FOR_EACH (br, node, &all_bridges) {
520 struct ofpp_garbage *garbage, *next;
522 LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
523 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
524 * internal datastructures may not be consistent. Eventually, when
525 * port additions and deletions are cheaper, these calls should be
528 ofproto_port_del(br->ofproto, garbage->ofp_port);
529 list_remove(&garbage->list_node);
533 if (time_msec() >= deadline) {
540 HMAP_FOR_EACH (br, node, &all_bridges) {
541 struct if_cfg *if_cfg, *next;
543 HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
544 iface_create(br, if_cfg, -1);
546 if (time_msec() >= deadline) {
556 bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
558 struct sockaddr_in *managers;
559 int sflow_bridge_number;
564 assert(reconfiguring);
565 done = bridge_reconfigure_ofp();
567 /* Complete the configuration. */
568 sflow_bridge_number = 0;
569 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
570 HMAP_FOR_EACH (br, node, &all_bridges) {
573 /* We need the datapath ID early to allow LACP ports to use it as the
574 * default system ID. */
575 bridge_configure_datapath_id(br);
577 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
580 port_configure(port);
582 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
583 iface_configure_cfm(iface);
584 iface_configure_qos(iface, port->cfg->qos);
585 iface_set_mac(iface);
588 bridge_configure_mirrors(br);
589 bridge_configure_flow_eviction_threshold(br);
590 bridge_configure_forward_bpdu(br);
591 bridge_configure_mac_idle_time(br);
592 bridge_configure_remotes(br, managers, n_managers);
593 bridge_configure_netflow(br);
594 bridge_configure_sflow(br, &sflow_bridge_number);
595 bridge_configure_stp(br);
596 bridge_configure_tables(br);
601 /* ovs-vswitchd has completed initialization, so allow the process that
602 * forked us to exit successfully. */
603 daemonize_complete();
604 reconfiguring = false;
606 VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION);
612 /* Delete ofprotos which aren't configured or have the wrong type. Create
613 * ofprotos which don't exist but need to. */
615 bridge_update_ofprotos(void)
617 struct bridge *br, *next;
622 /* Delete ofprotos with no bridge or with the wrong type. */
625 ofproto_enumerate_types(&types);
626 SSET_FOR_EACH (type, &types) {
629 ofproto_enumerate_names(type, &names);
630 SSET_FOR_EACH (name, &names) {
631 br = bridge_lookup(name);
632 if (!br || strcmp(type, br->type)) {
633 ofproto_delete(name, type);
637 sset_destroy(&names);
638 sset_destroy(&types);
640 /* Add ofprotos for bridges which don't have one yet. */
641 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
649 /* Remove ports from any datapath with the same name as 'br'. If we
650 * don't do this, creating 'br''s ofproto will fail because a port with
651 * the same name as its local port already exists. */
652 HMAP_FOR_EACH (br2, node, &all_bridges) {
653 struct ofproto_port ofproto_port;
659 if (!ofproto_port_query_by_name(br2->ofproto, br->name,
661 error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
663 VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
666 ofproto_port_destroy(&ofproto_port);
670 error = ofproto_create(br->name, br->type, &br->ofproto);
672 VLOG_ERR("failed to create bridge %s: %s", br->name,
680 port_configure(struct port *port)
682 const struct ovsrec_port *cfg = port->cfg;
683 struct bond_settings bond_settings;
684 struct lacp_settings lacp_settings;
685 struct ofproto_bundle_settings s;
688 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
689 configure_splinter_port(port);
698 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
699 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
700 s.slaves[s.n_slaves++] = iface->ofp_port;
705 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
709 /* Get VLAN trunks. */
712 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
716 if (cfg->vlan_mode) {
717 if (!strcmp(cfg->vlan_mode, "access")) {
718 s.vlan_mode = PORT_VLAN_ACCESS;
719 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
720 s.vlan_mode = PORT_VLAN_TRUNK;
721 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
722 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
723 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
724 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
726 /* This "can't happen" because ovsdb-server should prevent it. */
727 VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode);
728 s.vlan_mode = PORT_VLAN_TRUNK;
732 s.vlan_mode = PORT_VLAN_ACCESS;
734 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
738 s.vlan_mode = PORT_VLAN_TRUNK;
741 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
744 /* Get LACP settings. */
745 s.lacp = port_configure_lacp(port, &lacp_settings);
749 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
750 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
751 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
754 s.lacp_slaves = NULL;
757 /* Get bond settings. */
758 if (s.n_slaves > 1) {
759 s.bond = &bond_settings;
760 s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids);
761 port_configure_bond(port, &bond_settings, s.bond_stable_ids);
764 s.bond_stable_ids = NULL;
766 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
767 netdev_set_miimon_interval(iface->netdev, 0);
772 ofproto_bundle_register(port->bridge->ofproto, port, &s);
778 free(s.bond_stable_ids);
781 /* Pick local port hardware address and datapath ID for 'br'. */
783 bridge_configure_datapath_id(struct bridge *br)
785 uint8_t ea[ETH_ADDR_LEN];
787 struct iface *local_iface;
788 struct iface *hw_addr_iface;
791 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
792 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
794 int error = netdev_set_etheraddr(local_iface->netdev, ea);
796 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
797 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
798 "Ethernet address: %s",
799 br->name, strerror(error));
802 memcpy(br->ea, ea, ETH_ADDR_LEN);
804 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
805 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
806 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
807 ofproto_set_datapath_id(br->ofproto, dpid);
810 dpid_string = xasprintf("%016"PRIx64, dpid);
811 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
815 /* Set NetFlow configuration on 'br'. */
817 bridge_configure_netflow(struct bridge *br)
819 struct ovsrec_netflow *cfg = br->cfg->netflow;
820 struct netflow_options opts;
823 ofproto_set_netflow(br->ofproto, NULL);
827 memset(&opts, 0, sizeof opts);
829 /* Get default NetFlow configuration from datapath.
830 * Apply overrides from 'cfg'. */
831 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
832 if (cfg->engine_type) {
833 opts.engine_type = *cfg->engine_type;
835 if (cfg->engine_id) {
836 opts.engine_id = *cfg->engine_id;
839 /* Configure active timeout interval. */
840 opts.active_timeout = cfg->active_timeout;
841 if (!opts.active_timeout) {
842 opts.active_timeout = -1;
843 } else if (opts.active_timeout < 0) {
844 VLOG_WARN("bridge %s: active timeout interval set to negative "
845 "value, using default instead (%d seconds)", br->name,
846 NF_ACTIVE_TIMEOUT_DEFAULT);
847 opts.active_timeout = -1;
850 /* Add engine ID to interface number to disambiguate bridgs? */
851 opts.add_id_to_iface = cfg->add_id_to_interface;
852 if (opts.add_id_to_iface) {
853 if (opts.engine_id > 0x7f) {
854 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
855 "another vswitch, choose an engine id less than 128",
858 if (hmap_count(&br->ports) > 508) {
859 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
860 "another port when more than 508 ports are used",
866 sset_init(&opts.collectors);
867 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
870 if (ofproto_set_netflow(br->ofproto, &opts)) {
871 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
873 sset_destroy(&opts.collectors);
876 /* Set sFlow configuration on 'br'. */
878 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
880 const struct ovsrec_sflow *cfg = br->cfg->sflow;
881 struct ovsrec_controller **controllers;
882 struct ofproto_sflow_options oso;
883 size_t n_controllers;
887 ofproto_set_sflow(br->ofproto, NULL);
891 memset(&oso, 0, sizeof oso);
893 sset_init(&oso.targets);
894 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
896 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
898 oso.sampling_rate = *cfg->sampling;
901 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
903 oso.polling_interval = *cfg->polling;
906 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
908 oso.header_len = *cfg->header;
911 oso.sub_id = (*sflow_bridge_number)++;
912 oso.agent_device = cfg->agent;
914 oso.control_ip = NULL;
915 n_controllers = bridge_get_controllers(br, &controllers);
916 for (i = 0; i < n_controllers; i++) {
917 if (controllers[i]->local_ip) {
918 oso.control_ip = controllers[i]->local_ip;
922 ofproto_set_sflow(br->ofproto, &oso);
924 sset_destroy(&oso.targets);
928 port_configure_stp(const struct ofproto *ofproto, struct port *port,
929 struct ofproto_port_stp_settings *port_s,
930 int *port_num_counter, unsigned long *port_num_bitmap)
932 const char *config_str;
935 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
936 port_s->enable = false;
939 port_s->enable = true;
942 /* STP over bonds is not supported. */
943 if (!list_is_singleton(&port->ifaces)) {
944 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
946 port_s->enable = false;
950 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
952 /* Internal ports shouldn't participate in spanning tree, so
954 if (!strcmp(iface->type, "internal")) {
955 VLOG_DBG("port %s: disable STP on internal ports", port->name);
956 port_s->enable = false;
960 /* STP on mirror output ports is not supported. */
961 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
962 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
963 port_s->enable = false;
967 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
969 unsigned long int port_num = strtoul(config_str, NULL, 0);
970 int port_idx = port_num - 1;
972 if (port_num < 1 || port_num > STP_MAX_PORTS) {
973 VLOG_ERR("port %s: invalid stp-port-num", port->name);
974 port_s->enable = false;
978 if (bitmap_is_set(port_num_bitmap, port_idx)) {
979 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
980 port->name, port_num);
981 port_s->enable = false;
984 bitmap_set1(port_num_bitmap, port_idx);
985 port_s->port_num = port_idx;
987 if (*port_num_counter >= STP_MAX_PORTS) {
988 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
989 port_s->enable = false;
993 port_s->port_num = (*port_num_counter)++;
996 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
998 port_s->path_cost = strtoul(config_str, NULL, 10);
1000 enum netdev_features current;
1003 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1004 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1005 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1008 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1010 port_s->priority = strtoul(config_str, NULL, 0);
1012 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1016 /* Set spanning tree configuration on 'br'. */
1018 bridge_configure_stp(struct bridge *br)
1020 if (!br->cfg->stp_enable) {
1021 ofproto_set_stp(br->ofproto, NULL);
1023 struct ofproto_stp_settings br_s;
1024 const char *config_str;
1026 int port_num_counter;
1027 unsigned long *port_num_bitmap;
1029 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1031 uint8_t ea[ETH_ADDR_LEN];
1033 if (eth_addr_from_string(config_str, ea)) {
1034 br_s.system_id = eth_addr_to_uint64(ea);
1036 br_s.system_id = eth_addr_to_uint64(br->ea);
1037 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1038 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1041 br_s.system_id = eth_addr_to_uint64(br->ea);
1044 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1046 br_s.priority = strtoul(config_str, NULL, 0);
1048 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1051 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1053 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1055 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1058 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1060 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1062 br_s.max_age = STP_DEFAULT_MAX_AGE;
1065 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1067 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1069 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1072 /* Configure STP on the bridge. */
1073 if (ofproto_set_stp(br->ofproto, &br_s)) {
1074 VLOG_ERR("bridge %s: could not enable STP", br->name);
1078 /* Users must either set the port number with the "stp-port-num"
1079 * configuration on all ports or none. If manual configuration
1080 * is not done, then we allocate them sequentially. */
1081 port_num_counter = 0;
1082 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1083 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1084 struct ofproto_port_stp_settings port_s;
1085 struct iface *iface;
1087 port_configure_stp(br->ofproto, port, &port_s,
1088 &port_num_counter, port_num_bitmap);
1090 /* As bonds are not supported, just apply configuration to
1091 * all interfaces. */
1092 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1093 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1095 VLOG_ERR("port %s: could not enable STP", port->name);
1101 if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1102 && port_num_counter) {
1103 VLOG_ERR("bridge %s: must manually configure all STP port "
1104 "IDs or none, disabling", br->name);
1105 ofproto_set_stp(br->ofproto, NULL);
1107 bitmap_free(port_num_bitmap);
1112 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1114 const struct port *port = port_lookup(br, name);
1115 return port && port_is_bond_fake_iface(port);
1119 port_is_bond_fake_iface(const struct port *port)
1121 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1125 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1127 struct bridge *br, *next;
1128 struct shash new_br;
1131 /* Collect new bridges' names and types. */
1132 shash_init(&new_br);
1133 for (i = 0; i < cfg->n_bridges; i++) {
1134 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1135 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1137 if (strchr(br_cfg->name, '/')) {
1138 /* Prevent remote ovsdb-server users from accessing arbitrary
1139 * directories, e.g. consider a bridge named "../../../etc/". */
1140 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1142 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1143 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1147 /* Get rid of deleted bridges or those whose types have changed.
1148 * Update 'cfg' of bridges that still exist. */
1149 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1150 br->cfg = shash_find_data(&new_br, br->name);
1151 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1152 br->cfg->datapath_type))) {
1157 /* Add new bridges. */
1158 for (i = 0; i < cfg->n_bridges; i++) {
1159 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1160 struct bridge *br = bridge_lookup(br_cfg->name);
1162 bridge_create(br_cfg);
1166 shash_destroy(&new_br);
1170 iface_set_ofp_port(struct iface *iface, int ofp_port)
1172 struct bridge *br = iface->port->bridge;
1174 assert(iface->ofp_port < 0 && ofp_port >= 0);
1175 iface->ofp_port = ofp_port;
1176 hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
1177 iface_set_ofport(iface->cfg, ofp_port);
1180 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1181 * Returns 0 if successful, otherwise a positive errno value. */
1183 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1184 struct netdev *netdev)
1188 error = netdev_set_config(netdev, &iface_cfg->options);
1190 VLOG_WARN("could not configure network device %s (%s)",
1191 iface_cfg->name, strerror(error));
1196 /* This function determines whether 'ofproto_port', which is attached to
1197 * br->ofproto's datapath, is one that we want in 'br'.
1199 * If it is, it returns true, after creating an iface (if necessary),
1200 * configuring the iface's netdev according to the iface's options, and setting
1201 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1203 * If, on the other hand, 'port' should be removed, it returns false. The
1204 * caller should later detach the port from br->ofproto. */
1206 bridge_refresh_one_ofp_port(struct bridge *br,
1207 const struct ofproto_port *ofproto_port)
1209 const char *name = ofproto_port->name;
1210 const char *type = ofproto_port->type;
1211 uint16_t ofp_port = ofproto_port->ofp_port;
1213 struct iface *iface = iface_lookup(br, name);
1215 /* Check that the name-to-number mapping is one-to-one. */
1216 if (iface->ofp_port >= 0) {
1217 VLOG_WARN("bridge %s: interface %s reported twice",
1220 } else if (iface_from_ofp_port(br, ofp_port)) {
1221 VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
1222 br->name, ofp_port);
1226 /* There's a configured interface named 'name'. */
1227 if (strcmp(type, iface->type)
1228 || iface_set_netdev_config(iface->cfg, iface->netdev)) {
1229 /* It's the wrong type, or it's the right type but can't be
1230 * configured as the user requested, so we must destroy it. */
1233 /* It's the right type and configured correctly. keep it. */
1234 iface_set_ofp_port(iface, ofp_port);
1237 } else if (bridge_has_bond_fake_iface(br, name)
1238 && !strcmp(type, "internal")) {
1239 /* It's a bond fake iface. Keep it. */
1242 /* There's no configured interface named 'name', but there might be an
1243 * interface of that name queued to be created.
1245 * If there is, and it has the correct type, then try to configure it
1246 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1247 * delete it and later try to re-add it. */
1248 struct if_cfg *if_cfg = if_cfg_lookup(br, name);
1250 && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
1251 && iface_create(br, if_cfg, ofp_port));
1255 /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1256 * consistent with the ofp_ports in "br->ofproto". */
1258 bridge_refresh_ofp_port(struct bridge *br)
1260 struct ofproto_port_dump dump;
1261 struct ofproto_port ofproto_port;
1262 struct port *port, *port_next;
1264 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
1265 hmap_clear(&br->ifaces);
1266 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1267 struct iface *iface;
1269 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1270 iface->ofp_port = -1;
1274 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1275 * already exist in the datapath and promote them to full fledged "struct
1276 * iface"s. Mark ports in the datapath which don't belong as garbage. */
1277 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
1278 if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
1279 struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
1280 garbage->ofp_port = ofproto_port.ofp_port;
1281 list_push_front(&br->ofpp_garbage, &garbage->list_node);
1285 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1286 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1287 * later they can be added to ofproto. */
1288 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
1289 struct iface *iface, *iface_next;
1291 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
1292 if (iface->ofp_port < 0) {
1293 bridge_queue_if_cfg(br, iface->cfg, port->cfg);
1294 iface_destroy(iface);
1298 if (list_is_empty(&port->ifaces)) {
1304 /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
1305 * is negative, adds the network device to br->ofproto and stores the OpenFlow
1306 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1309 * If successful, returns 0 and stores the network device in '*netdevp'. On
1310 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1312 iface_do_create(const struct bridge *br,
1313 const struct if_cfg *if_cfg,
1314 int *ofp_portp, struct netdev **netdevp)
1316 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1317 const struct ovsrec_port *port_cfg = if_cfg->parent;
1318 struct netdev *netdev;
1321 error = netdev_open(iface_cfg->name,
1322 iface_get_type(iface_cfg, br->cfg), &netdev);
1324 VLOG_WARN("could not open network device %s (%s)",
1325 iface_cfg->name, strerror(error));
1329 error = iface_set_netdev_config(iface_cfg, netdev);
1334 if (*ofp_portp < 0) {
1335 uint16_t ofp_port = if_cfg->ofport;
1337 error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
1341 *ofp_portp = ofp_port;
1343 VLOG_INFO("bridge %s: added interface %s on port %d",
1344 br->name, iface_cfg->name, *ofp_portp);
1346 VLOG_DBG("bridge %s: interface %s is on port %d",
1347 br->name, iface_cfg->name, *ofp_portp);
1350 if (port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter")) {
1351 netdev_turn_flags_on(netdev, NETDEV_UP, true);
1359 netdev_close(netdev);
1363 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1364 * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
1365 * automatically allocated for the iface. Takes ownership of and
1366 * deallocates 'if_cfg'.
1368 * Return true if an iface is successfully created, false otherwise. */
1370 iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
1372 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1373 const struct ovsrec_port *port_cfg = if_cfg->parent;
1375 struct netdev *netdev;
1376 struct iface *iface;
1381 /* Do the bits that can fail up front.
1383 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1384 * internal datastructures may not be consistent. Eventually, when port
1385 * additions and deletions are cheaper, these calls should be removed. */
1387 assert(!iface_lookup(br, iface_cfg->name));
1388 error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
1391 iface_clear_db_record(iface_cfg);
1396 /* Get or create the port structure. */
1397 port = port_lookup(br, port_cfg->name);
1399 port = port_create(br, port_cfg);
1402 /* Create the iface structure. */
1403 iface = xzalloc(sizeof *iface);
1404 list_push_back(&port->ifaces, &iface->port_elem);
1405 hmap_insert(&br->iface_by_name, &iface->name_node,
1406 hash_string(iface_cfg->name, 0));
1408 iface->name = xstrdup(iface_cfg->name);
1409 iface->ofp_port = -1;
1410 iface->netdev = netdev;
1411 iface->type = iface_get_type(iface_cfg, br->cfg);
1412 iface->cfg = iface_cfg;
1414 iface_set_ofp_port(iface, ofp_port);
1416 /* Populate initial status in database. */
1417 iface_refresh_stats(iface);
1418 iface_refresh_status(iface);
1420 /* Add bond fake iface if necessary. */
1421 if (port_is_bond_fake_iface(port)) {
1422 struct ofproto_port ofproto_port;
1424 if (ofproto_port_query_by_name(br->ofproto, port->name,
1426 struct netdev *netdev;
1429 error = netdev_open(port->name, "internal", &netdev);
1431 uint16_t ofp_port = if_cfg->ofport;
1433 ofproto_port_add(br->ofproto, netdev, &ofp_port);
1434 netdev_close(netdev);
1436 VLOG_WARN("could not open network device %s (%s)",
1437 port->name, strerror(error));
1440 /* Already exists, nothing to do. */
1441 ofproto_port_destroy(&ofproto_port);
1446 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
1452 /* Set Flow eviction threshold */
1454 bridge_configure_flow_eviction_threshold(struct bridge *br)
1456 const char *threshold_str;
1459 threshold_str = smap_get(&br->cfg->other_config,
1460 "flow-eviction-threshold");
1461 if (threshold_str) {
1462 threshold = strtoul(threshold_str, NULL, 10);
1464 threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
1466 ofproto_set_flow_eviction_threshold(br->ofproto, threshold);
1469 /* Set forward BPDU option. */
1471 bridge_configure_forward_bpdu(struct bridge *br)
1473 ofproto_set_forward_bpdu(br->ofproto,
1474 smap_get_bool(&br->cfg->other_config,
1479 /* Set MAC aging time for 'br'. */
1481 bridge_configure_mac_idle_time(struct bridge *br)
1483 const char *idle_time_str;
1486 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1487 idle_time = (idle_time_str && atoi(idle_time_str)
1488 ? atoi(idle_time_str)
1489 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1490 ofproto_set_mac_idle_time(br->ofproto, idle_time);
1494 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1495 struct iface **hw_addr_iface)
1497 struct hmapx mirror_output_ports;
1500 bool found_addr = false;
1504 *hw_addr_iface = NULL;
1506 /* Did the user request a particular MAC? */
1507 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
1508 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
1509 if (eth_addr_is_multicast(ea)) {
1510 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1511 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1512 } else if (eth_addr_is_zero(ea)) {
1513 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
1519 /* Mirror output ports don't participate in picking the local hardware
1520 * address. ofproto can't help us find out whether a given port is a
1521 * mirror output because we haven't configured mirrors yet, so we need to
1522 * accumulate them ourselves. */
1523 hmapx_init(&mirror_output_ports);
1524 for (i = 0; i < br->cfg->n_mirrors; i++) {
1525 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1526 if (m->output_port) {
1527 hmapx_add(&mirror_output_ports, m->output_port);
1531 /* Otherwise choose the minimum non-local MAC address among all of the
1533 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1534 uint8_t iface_ea[ETH_ADDR_LEN];
1535 struct iface *candidate;
1536 struct iface *iface;
1538 /* Mirror output ports don't participate. */
1539 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1543 /* Choose the MAC address to represent the port. */
1545 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
1546 /* Find the interface with this Ethernet address (if any) so that
1547 * we can provide the correct devname to the caller. */
1548 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1549 uint8_t candidate_ea[ETH_ADDR_LEN];
1550 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
1551 && eth_addr_equals(iface_ea, candidate_ea)) {
1556 /* Choose the interface whose MAC address will represent the port.
1557 * The Linux kernel bonding code always chooses the MAC address of
1558 * the first slave added to a bond, and the Fedora networking
1559 * scripts always add slaves to a bond in alphabetical order, so
1560 * for compatibility we choose the interface with the name that is
1561 * first in alphabetical order. */
1562 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1563 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1568 /* The local port doesn't count (since we're trying to choose its
1569 * MAC address anyway). */
1570 if (iface->ofp_port == OFPP_LOCAL) {
1575 error = netdev_get_etheraddr(iface->netdev, iface_ea);
1581 /* Compare against our current choice. */
1582 if (!eth_addr_is_multicast(iface_ea) &&
1583 !eth_addr_is_local(iface_ea) &&
1584 !eth_addr_is_reserved(iface_ea) &&
1585 !eth_addr_is_zero(iface_ea) &&
1586 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
1588 memcpy(ea, iface_ea, ETH_ADDR_LEN);
1589 *hw_addr_iface = iface;
1594 VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT,
1595 br->name, ETH_ADDR_ARGS(ea));
1597 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
1598 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1599 *hw_addr_iface = NULL;
1600 VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet "
1601 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1604 hmapx_destroy(&mirror_output_ports);
1607 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1608 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1609 * an interface on 'br', then that interface must be passed in as
1610 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1611 * 'hw_addr_iface' must be passed in as a null pointer. */
1613 bridge_pick_datapath_id(struct bridge *br,
1614 const uint8_t bridge_ea[ETH_ADDR_LEN],
1615 struct iface *hw_addr_iface)
1618 * The procedure for choosing a bridge MAC address will, in the most
1619 * ordinary case, also choose a unique MAC that we can use as a datapath
1620 * ID. In some special cases, though, multiple bridges will end up with
1621 * the same MAC address. This is OK for the bridges, but it will confuse
1622 * the OpenFlow controller, because each datapath needs a unique datapath
1625 * Datapath IDs must be unique. It is also very desirable that they be
1626 * stable from one run to the next, so that policy set on a datapath
1629 const char *datapath_id;
1632 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
1633 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
1637 if (!hw_addr_iface) {
1639 * A purely internal bridge, that is, one that has no non-virtual
1640 * network devices on it at all, is difficult because it has no
1641 * natural unique identifier at all.
1643 * When the host is a XenServer, we handle this case by hashing the
1644 * host's UUID with the name of the bridge. Names of bridges are
1645 * persistent across XenServer reboots, although they can be reused if
1646 * an internal network is destroyed and then a new one is later
1647 * created, so this is fairly effective.
1649 * When the host is not a XenServer, we punt by using a random MAC
1650 * address on each run.
1652 const char *host_uuid = xenserver_get_host_uuid();
1654 char *combined = xasprintf("%s,%s", host_uuid, br->name);
1655 dpid = dpid_from_hash(combined, strlen(combined));
1661 return eth_addr_to_uint64(bridge_ea);
1665 dpid_from_hash(const void *data, size_t n)
1667 uint8_t hash[SHA1_DIGEST_SIZE];
1669 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
1670 sha1_bytes(data, n, hash);
1671 eth_addr_mark_random(hash);
1672 return eth_addr_to_uint64(hash);
1676 iface_refresh_status(struct iface *iface)
1680 enum netdev_features current;
1686 if (iface_is_synthetic(iface)) {
1692 if (!netdev_get_drv_info(iface->netdev, &smap)) {
1693 ovsrec_interface_set_status(iface->cfg, &smap);
1695 ovsrec_interface_set_status(iface->cfg, NULL);
1698 smap_destroy(&smap);
1700 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1701 bps = !error ? netdev_features_to_bps(current, 0) : 0;
1703 ovsrec_interface_set_duplex(iface->cfg,
1704 netdev_features_is_full_duplex(current)
1706 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
1709 ovsrec_interface_set_duplex(iface->cfg, NULL);
1710 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
1713 error = netdev_get_mtu(iface->netdev, &mtu);
1716 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
1719 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
1723 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1726 iface_refresh_cfm_stats(struct iface *iface)
1728 const struct ovsrec_interface *cfg = iface->cfg;
1729 int fault, opup, error;
1730 const uint64_t *rmps;
1734 fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
1737 const char *reasons[CFM_FAULT_N_REASONS];
1738 bool fault_bool = fault;
1742 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1743 int reason = 1 << i;
1744 if (fault & reason) {
1745 reasons[j++] = cfm_fault_reason_to_str(reason);
1749 ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
1750 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1752 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1753 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1756 opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto,
1759 ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down");
1761 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1764 error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
1765 iface->ofp_port, &rmps, &n_rmps);
1767 ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps,
1770 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1773 health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
1776 int64_t cfm_health = health;
1777 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1779 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1784 iface_refresh_stats(struct iface *iface)
1786 #define IFACE_STATS \
1787 IFACE_STAT(rx_packets, "rx_packets") \
1788 IFACE_STAT(tx_packets, "tx_packets") \
1789 IFACE_STAT(rx_bytes, "rx_bytes") \
1790 IFACE_STAT(tx_bytes, "tx_bytes") \
1791 IFACE_STAT(rx_dropped, "rx_dropped") \
1792 IFACE_STAT(tx_dropped, "tx_dropped") \
1793 IFACE_STAT(rx_errors, "rx_errors") \
1794 IFACE_STAT(tx_errors, "tx_errors") \
1795 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1796 IFACE_STAT(rx_over_errors, "rx_over_err") \
1797 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1798 IFACE_STAT(collisions, "collisions")
1800 #define IFACE_STAT(MEMBER, NAME) NAME,
1801 static char *keys[] = { IFACE_STATS };
1803 int64_t values[ARRAY_SIZE(keys)];
1806 struct netdev_stats stats;
1808 if (iface_is_synthetic(iface)) {
1812 /* Intentionally ignore return value, since errors will set 'stats' to
1813 * all-1s, and we will deal with that correctly below. */
1814 netdev_get_stats(iface->netdev, &stats);
1816 /* Copy statistics into values[] array. */
1818 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1821 assert(i == ARRAY_SIZE(keys));
1823 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1829 br_refresh_stp_status(struct bridge *br)
1831 struct smap smap = SMAP_INITIALIZER(&smap);
1832 struct ofproto *ofproto = br->ofproto;
1833 struct ofproto_stp_status status;
1835 if (ofproto_get_stp_status(ofproto, &status)) {
1839 if (!status.enabled) {
1840 ovsrec_bridge_set_status(br->cfg, NULL);
1844 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1845 STP_ID_ARGS(status.bridge_id));
1846 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1847 STP_ID_ARGS(status.designated_root));
1848 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
1850 ovsrec_bridge_set_status(br->cfg, &smap);
1851 smap_destroy(&smap);
1855 port_refresh_stp_status(struct port *port)
1857 struct ofproto *ofproto = port->bridge->ofproto;
1858 struct iface *iface;
1859 struct ofproto_port_stp_status status;
1861 int64_t int_values[3];
1864 if (port_is_synthetic(port)) {
1868 /* STP doesn't currently support bonds. */
1869 if (!list_is_singleton(&port->ifaces)) {
1870 ovsrec_port_set_status(port->cfg, NULL);
1874 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1876 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1880 if (!status.enabled) {
1881 ovsrec_port_set_status(port->cfg, NULL);
1882 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
1886 /* Set Status column. */
1888 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1889 smap_add(&smap, "stp_state", stp_state_name(status.state));
1890 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1891 smap_add(&smap, "stp_role", stp_role_name(status.role));
1892 ovsrec_port_set_status(port->cfg, &smap);
1893 smap_destroy(&smap);
1895 /* Set Statistics column. */
1896 keys[0] = "stp_tx_count";
1897 int_values[0] = status.tx_count;
1898 keys[1] = "stp_rx_count";
1899 int_values[1] = status.rx_count;
1900 keys[2] = "stp_error_count";
1901 int_values[2] = status.error_count;
1903 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1904 ARRAY_SIZE(int_values));
1908 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1910 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
1914 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
1916 bool enable = enable_system_stats(cfg);
1918 system_stats_enable(enable);
1920 ovsrec_open_vswitch_set_statistics(cfg, NULL);
1925 run_system_stats(void)
1927 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1930 stats = system_stats_run();
1932 struct ovsdb_idl_txn *txn;
1933 struct ovsdb_datum datum;
1935 txn = ovsdb_idl_txn_create(idl);
1936 ovsdb_datum_from_smap(&datum, stats);
1937 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1939 ovsdb_idl_txn_commit(txn);
1940 ovsdb_idl_txn_destroy(txn);
1946 static inline const char *
1947 nx_role_to_str(enum nx_role role)
1952 case NX_ROLE_MASTER:
1957 return "*** INVALID ROLE ***";
1962 refresh_controller_status(void)
1966 const struct ovsrec_controller *cfg;
1970 /* Accumulate status for controllers on all bridges. */
1971 HMAP_FOR_EACH (br, node, &all_bridges) {
1972 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1975 /* Update each controller in the database with current status. */
1976 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
1977 struct ofproto_controller_info *cinfo =
1978 shash_find_data(&info, cfg->target);
1981 struct smap smap = SMAP_INITIALIZER(&smap);
1982 const char **values = cinfo->pairs.values;
1983 const char **keys = cinfo->pairs.keys;
1986 for (i = 0; i < cinfo->pairs.n; i++) {
1987 smap_add(&smap, keys[i], values[i]);
1990 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
1991 ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
1992 ovsrec_controller_set_status(cfg, &smap);
1993 smap_destroy(&smap);
1995 ovsrec_controller_set_is_connected(cfg, false);
1996 ovsrec_controller_set_role(cfg, NULL);
1997 ovsrec_controller_set_status(cfg, NULL);
2001 ofproto_free_ofproto_controller_info(&info);
2005 refresh_instant_stats(void)
2007 static struct ovsdb_idl_txn *txn = NULL;
2012 txn = ovsdb_idl_txn_create(idl);
2014 HMAP_FOR_EACH (br, node, &all_bridges) {
2015 struct iface *iface;
2018 br_refresh_stp_status(br);
2020 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2021 port_refresh_stp_status(port);
2024 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
2025 enum netdev_flags flags;
2026 const char *link_state;
2027 int64_t link_resets;
2030 if (iface_is_synthetic(iface)) {
2034 current = ofproto_port_is_lacp_current(br->ofproto,
2038 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2040 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2043 error = netdev_get_flags(iface->netdev, &flags);
2045 const char *state = flags & NETDEV_UP ? "up" : "down";
2046 ovsrec_interface_set_admin_state(iface->cfg, state);
2048 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2051 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2052 ovsrec_interface_set_link_state(iface->cfg, link_state);
2054 link_resets = netdev_get_carrier_resets(iface->netdev);
2055 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2057 iface_refresh_cfm_stats(iface);
2062 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2063 ovsdb_idl_txn_destroy(txn);
2068 /* Performs periodic activity required by bridges that needs to be done with
2069 * the least possible latency.
2071 * It makes sense to call this function a couple of times per poll loop, to
2072 * provide a significant performance boost on some benchmarks with ofprotos
2073 * that use the ofproto-dpif implementation. */
2075 bridge_run_fast(void)
2082 ofproto_enumerate_types(&types);
2083 SSET_FOR_EACH (type, &types) {
2084 ofproto_type_run_fast(type);
2086 sset_destroy(&types);
2088 HMAP_FOR_EACH (br, node, &all_bridges) {
2089 ofproto_run_fast(br->ofproto);
2096 static const struct ovsrec_open_vswitch null_cfg;
2097 const struct ovsrec_open_vswitch *cfg;
2098 struct ovsdb_idl_txn *reconf_txn = NULL;
2102 bool vlan_splinters_changed;
2105 ovsrec_open_vswitch_init((struct ovsrec_open_vswitch *) &null_cfg);
2107 /* (Re)configure if necessary. */
2108 if (!reconfiguring) {
2111 if (ovsdb_idl_is_lock_contended(idl)) {
2112 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2113 struct bridge *br, *next_br;
2115 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2116 "disabling this process until it goes away");
2118 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2122 } else if (!ovsdb_idl_has_lock(idl)) {
2126 cfg = ovsrec_open_vswitch_first(idl);
2128 /* Initialize the ofproto library. This only needs to run once, but
2129 * it must be done after the configuration is set. If the
2130 * initialization has already occurred, bridge_init_ofproto()
2131 * returns immediately. */
2132 bridge_init_ofproto(cfg);
2134 /* Let each datapath type do the work that it needs to do. */
2136 ofproto_enumerate_types(&types);
2137 SSET_FOR_EACH (type, &types) {
2138 ofproto_type_run(type);
2140 sset_destroy(&types);
2142 /* Let each bridge do the work that it needs to do. */
2143 HMAP_FOR_EACH (br, node, &all_bridges) {
2144 ofproto_run(br->ofproto);
2147 /* Re-configure SSL. We do this on every trip through the main loop,
2148 * instead of just when the database changes, because the contents of the
2149 * key and certificate files can change without the database changing.
2151 * We do this before bridge_reconfigure() because that function might
2152 * initiate SSL connections and thus requires SSL to be configured. */
2153 if (cfg && cfg->ssl) {
2154 const struct ovsrec_ssl *ssl = cfg->ssl;
2156 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2157 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2160 if (!reconfiguring) {
2161 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2162 * usage has changed. */
2163 vlan_splinters_changed = false;
2164 if (vlan_splinters_enabled_anywhere) {
2165 HMAP_FOR_EACH (br, node, &all_bridges) {
2166 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2167 vlan_splinters_changed = true;
2173 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2174 idl_seqno = ovsdb_idl_get_seqno(idl);
2176 reconf_txn = ovsdb_idl_txn_create(idl);
2177 bridge_reconfigure(cfg);
2179 /* We still need to reconfigure to avoid dangling pointers to
2180 * now-destroyed ovsrec structures inside bridge data. */
2181 bridge_reconfigure(&null_cfg);
2186 if (reconfiguring) {
2189 reconf_txn = ovsdb_idl_txn_create(idl);
2191 if (bridge_reconfigure_continue(cfg)) {
2192 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2195 bridge_reconfigure_continue(&null_cfg);
2200 ovsdb_idl_txn_commit(reconf_txn);
2201 ovsdb_idl_txn_destroy(reconf_txn);
2205 /* Refresh interface and mirror stats if necessary. */
2206 if (time_msec() >= iface_stats_timer) {
2208 struct ovsdb_idl_txn *txn;
2210 txn = ovsdb_idl_txn_create(idl);
2211 HMAP_FOR_EACH (br, node, &all_bridges) {
2215 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2216 struct iface *iface;
2218 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2219 iface_refresh_stats(iface);
2220 iface_refresh_status(iface);
2224 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2225 mirror_refresh_stats(m);
2229 refresh_controller_status();
2230 ovsdb_idl_txn_commit(txn);
2231 ovsdb_idl_txn_destroy(txn); /* XXX */
2234 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
2238 refresh_instant_stats();
2247 ovsdb_idl_wait(idl);
2249 if (reconfiguring) {
2250 poll_immediate_wake();
2254 ofproto_enumerate_types(&types);
2255 SSET_FOR_EACH (type, &types) {
2256 ofproto_type_wait(type);
2258 sset_destroy(&types);
2260 if (!hmap_is_empty(&all_bridges)) {
2263 HMAP_FOR_EACH (br, node, &all_bridges) {
2264 ofproto_wait(br->ofproto);
2266 poll_timer_wait_until(iface_stats_timer);
2269 system_stats_wait();
2272 /* Adds some memory usage statistics for bridges into 'usage', for use with
2273 * memory_report(). */
2275 bridge_get_memory_usage(struct simap *usage)
2279 HMAP_FOR_EACH (br, node, &all_bridges) {
2280 ofproto_get_memory_usage(br->ofproto, usage);
2284 /* QoS unixctl user interface functions. */
2286 struct qos_unixctl_show_cbdata {
2288 struct iface *iface;
2292 qos_unixctl_show_cb(unsigned int queue_id,
2293 const struct smap *details,
2296 struct qos_unixctl_show_cbdata *data = aux;
2297 struct ds *ds = data->ds;
2298 struct iface *iface = data->iface;
2299 struct netdev_queue_stats stats;
2300 struct smap_node *node;
2303 ds_put_cstr(ds, "\n");
2305 ds_put_format(ds, "Queue %u:\n", queue_id);
2307 ds_put_cstr(ds, "Default:\n");
2310 SMAP_FOR_EACH (node, details) {
2311 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2314 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2316 if (stats.tx_packets != UINT64_MAX) {
2317 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2320 if (stats.tx_bytes != UINT64_MAX) {
2321 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2324 if (stats.tx_errors != UINT64_MAX) {
2325 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2328 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2329 queue_id, strerror(error));
2334 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2335 const char *argv[], void *aux OVS_UNUSED)
2337 struct ds ds = DS_EMPTY_INITIALIZER;
2338 struct smap smap = SMAP_INITIALIZER(&smap);
2339 struct iface *iface;
2341 struct smap_node *node;
2342 struct qos_unixctl_show_cbdata data;
2345 iface = iface_find(argv[1]);
2347 unixctl_command_reply_error(conn, "no such interface");
2351 netdev_get_qos(iface->netdev, &type, &smap);
2353 if (*type != '\0') {
2354 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2356 SMAP_FOR_EACH (node, &smap) {
2357 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2362 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2365 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2367 unixctl_command_reply(conn, ds_cstr(&ds));
2369 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2370 unixctl_command_reply_error(conn, ds_cstr(&ds));
2373 smap_destroy(&smap);
2377 /* Bridge reconfiguration functions. */
2379 bridge_create(const struct ovsrec_bridge *br_cfg)
2383 assert(!bridge_lookup(br_cfg->name));
2384 br = xzalloc(sizeof *br);
2386 br->name = xstrdup(br_cfg->name);
2387 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2390 /* Derive the default Ethernet address from the bridge's UUID. This should
2391 * be unique and it will be stable between ovs-vswitchd runs. */
2392 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2393 eth_addr_mark_random(br->default_ea);
2395 hmap_init(&br->ports);
2396 hmap_init(&br->ifaces);
2397 hmap_init(&br->iface_by_name);
2398 hmap_init(&br->mirrors);
2400 hmap_init(&br->if_cfg_todo);
2401 list_init(&br->ofpp_garbage);
2403 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
2407 bridge_destroy(struct bridge *br)
2410 struct mirror *mirror, *next_mirror;
2411 struct port *port, *next_port;
2412 struct if_cfg *if_cfg, *next_if_cfg;
2413 struct ofpp_garbage *garbage, *next_garbage;
2415 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
2418 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2419 mirror_destroy(mirror);
2421 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2422 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2425 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2426 &br->ofpp_garbage) {
2427 list_remove(&garbage->list_node);
2431 hmap_remove(&all_bridges, &br->node);
2432 ofproto_destroy(br->ofproto);
2433 hmap_destroy(&br->ifaces);
2434 hmap_destroy(&br->ports);
2435 hmap_destroy(&br->iface_by_name);
2436 hmap_destroy(&br->mirrors);
2437 hmap_destroy(&br->if_cfg_todo);
2444 static struct bridge *
2445 bridge_lookup(const char *name)
2449 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
2450 if (!strcmp(br->name, name)) {
2457 /* Handle requests for a listing of all flows known by the OpenFlow
2458 * stack, including those normally hidden. */
2460 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2461 const char *argv[], void *aux OVS_UNUSED)
2466 br = bridge_lookup(argv[1]);
2468 unixctl_command_reply_error(conn, "Unknown bridge");
2473 ofproto_get_all_flows(br->ofproto, &results);
2475 unixctl_command_reply(conn, ds_cstr(&results));
2476 ds_destroy(&results);
2479 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2480 * connections and reconnect. If BRIDGE is not specified, then all bridges
2481 * drop their controller connections and reconnect. */
2483 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2484 const char *argv[], void *aux OVS_UNUSED)
2488 br = bridge_lookup(argv[1]);
2490 unixctl_command_reply_error(conn, "Unknown bridge");
2493 ofproto_reconnect_controllers(br->ofproto);
2495 HMAP_FOR_EACH (br, node, &all_bridges) {
2496 ofproto_reconnect_controllers(br->ofproto);
2499 unixctl_command_reply(conn, NULL);
2503 bridge_get_controllers(const struct bridge *br,
2504 struct ovsrec_controller ***controllersp)
2506 struct ovsrec_controller **controllers;
2507 size_t n_controllers;
2509 controllers = br->cfg->controller;
2510 n_controllers = br->cfg->n_controller;
2512 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2518 *controllersp = controllers;
2520 return n_controllers;
2524 bridge_queue_if_cfg(struct bridge *br,
2525 const struct ovsrec_interface *cfg,
2526 const struct ovsrec_port *parent)
2528 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2531 if_cfg->parent = parent;
2532 if_cfg->ofport = cfg->n_ofport_request ? *cfg->ofport_request : OFPP_NONE;
2533 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2534 hash_string(if_cfg->cfg->name, 0));
2537 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2538 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2539 * 'br' needs to complete its configuration. */
2541 bridge_add_del_ports(struct bridge *br,
2542 const unsigned long int *splinter_vlans)
2544 struct shash_node *port_node;
2545 struct port *port, *next;
2546 struct shash new_ports;
2549 assert(hmap_is_empty(&br->if_cfg_todo));
2551 /* Collect new ports. */
2552 shash_init(&new_ports);
2553 for (i = 0; i < br->cfg->n_ports; i++) {
2554 const char *name = br->cfg->ports[i]->name;
2555 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2556 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2560 if (bridge_get_controllers(br, NULL)
2561 && !shash_find(&new_ports, br->name)) {
2562 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2563 br->name, br->name);
2565 ovsrec_interface_init(&br->synth_local_iface);
2566 ovsrec_port_init(&br->synth_local_port);
2568 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2569 br->synth_local_port.n_interfaces = 1;
2570 br->synth_local_port.name = br->name;
2572 br->synth_local_iface.name = br->name;
2573 br->synth_local_iface.type = "internal";
2575 br->synth_local_ifacep = &br->synth_local_iface;
2577 shash_add(&new_ports, br->name, &br->synth_local_port);
2580 if (splinter_vlans) {
2581 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2584 /* Get rid of deleted ports.
2585 * Get rid of deleted interfaces on ports that still exist. */
2586 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
2587 port->cfg = shash_find_data(&new_ports, port->name);
2591 port_del_ifaces(port);
2595 /* Update iface->cfg and iface->type in interfaces that still exist.
2596 * Add new interfaces to creation queue. */
2597 SHASH_FOR_EACH (port_node, &new_ports) {
2598 const struct ovsrec_port *port = port_node->data;
2601 for (i = 0; i < port->n_interfaces; i++) {
2602 const struct ovsrec_interface *cfg = port->interfaces[i];
2603 struct iface *iface = iface_lookup(br, cfg->name);
2604 const char *type = iface_get_type(cfg, br->cfg);
2609 } else if (!strcmp(type, "null")) {
2610 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2611 " may be removed in February 2013. Please email"
2612 " dev@openvswitch.org with concerns.",
2615 bridge_queue_if_cfg(br, cfg, port);
2620 shash_destroy(&new_ports);
2623 /* Initializes 'oc' appropriately as a management service controller for
2626 * The caller must free oc->target when it is no longer needed. */
2628 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2629 struct ofproto_controller *oc)
2631 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
2632 oc->max_backoff = 0;
2633 oc->probe_interval = 60;
2634 oc->band = OFPROTO_OUT_OF_BAND;
2636 oc->burst_limit = 0;
2637 oc->enable_async_msgs = true;
2640 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2642 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2643 struct ofproto_controller *oc)
2647 oc->target = c->target;
2648 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2649 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2650 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2651 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
2652 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2653 oc->burst_limit = (c->controller_burst_limit
2654 ? *c->controller_burst_limit : 0);
2655 oc->enable_async_msgs = (!c->enable_async_messages
2656 || *c->enable_async_messages);
2657 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2658 if (dscp < 0 || dscp > 63) {
2659 dscp = DSCP_DEFAULT;
2664 /* Configures the IP stack for 'br''s local interface properly according to the
2665 * configuration in 'c'. */
2667 bridge_configure_local_iface_netdev(struct bridge *br,
2668 struct ovsrec_controller *c)
2670 struct netdev *netdev;
2671 struct in_addr mask, gateway;
2673 struct iface *local_iface;
2676 /* If there's no local interface or no IP address, give up. */
2677 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
2678 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2682 /* Bring up the local interface. */
2683 netdev = local_iface->netdev;
2684 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2686 /* Configure the IP address and netmask. */
2687 if (!c->local_netmask
2688 || !inet_aton(c->local_netmask, &mask)
2690 mask.s_addr = guess_netmask(ip.s_addr);
2692 if (!netdev_set_in4(netdev, ip, mask)) {
2693 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
2694 br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr));
2697 /* Configure the default gateway. */
2698 if (c->local_gateway
2699 && inet_aton(c->local_gateway, &gateway)
2700 && gateway.s_addr) {
2701 if (!netdev_add_router(netdev, gateway)) {
2702 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
2703 br->name, IP_ARGS(&gateway.s_addr));
2708 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2709 * in either string are treated as equal to any number of slashes in the other,
2710 * e.g. "x///y" is equal to "x/y". */
2712 equal_pathnames(const char *a, const char *b)
2716 a += strspn(a, "/");
2717 b += strspn(b, "/");
2718 } else if (*a == '\0') {
2729 bridge_configure_remotes(struct bridge *br,
2730 const struct sockaddr_in *managers, size_t n_managers)
2732 bool disable_in_band;
2734 struct ovsrec_controller **controllers;
2735 size_t n_controllers;
2737 enum ofproto_fail_mode fail_mode;
2739 struct ofproto_controller *ocs;
2743 /* Check if we should disable in-band control on this bridge. */
2744 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2747 /* Set OpenFlow queue ID for in-band control. */
2748 ofproto_set_in_band_queue(br->ofproto,
2749 smap_get_int(&br->cfg->other_config,
2750 "in-band-queue", -1));
2752 if (disable_in_band) {
2753 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2755 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2758 n_controllers = bridge_get_controllers(br, &controllers);
2760 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2763 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2764 for (i = 0; i < n_controllers; i++) {
2765 struct ovsrec_controller *c = controllers[i];
2767 if (!strncmp(c->target, "punix:", 6)
2768 || !strncmp(c->target, "unix:", 5)) {
2769 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2772 whitelist = xasprintf("unix:%s/%s.controller",
2773 ovs_rundir(), br->name);
2774 if (!equal_pathnames(c->target, whitelist)) {
2775 /* Prevent remote ovsdb-server users from accessing arbitrary
2776 * Unix domain sockets and overwriting arbitrary local
2778 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2779 "controller \"%s\" due to possibility for remote "
2780 "exploit. Instead, specify whitelisted \"%s\" or "
2781 "connect to \"unix:%s/%s.mgmt\" (which is always "
2782 "available without special configuration).",
2783 br->name, c->target, whitelist,
2784 ovs_rundir(), br->name);
2792 bridge_configure_local_iface_netdev(br, c);
2793 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2794 if (disable_in_band) {
2795 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
2800 ofproto_set_controllers(br->ofproto, ocs, n_ocs, 0);
2801 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2804 /* Set the fail-mode. */
2805 fail_mode = !br->cfg->fail_mode
2806 || !strcmp(br->cfg->fail_mode, "standalone")
2807 ? OFPROTO_FAIL_STANDALONE
2808 : OFPROTO_FAIL_SECURE;
2809 ofproto_set_fail_mode(br->ofproto, fail_mode);
2811 /* Configure OpenFlow controller connection snooping. */
2812 if (!ofproto_has_snoops(br->ofproto)) {
2816 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2817 ovs_rundir(), br->name));
2818 ofproto_set_snoops(br->ofproto, &snoops);
2819 sset_destroy(&snoops);
2824 bridge_configure_tables(struct bridge *br)
2826 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2830 n_tables = ofproto_get_n_tables(br->ofproto);
2832 for (i = 0; i < n_tables; i++) {
2833 struct ofproto_table_settings s;
2836 s.max_flows = UINT_MAX;
2840 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2841 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2844 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2845 s.max_flows = *cfg->flow_limit;
2847 if (cfg->overflow_policy
2848 && !strcmp(cfg->overflow_policy, "evict")) {
2851 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2852 for (k = 0; k < cfg->n_groups; k++) {
2853 const char *string = cfg->groups[k];
2856 msg = mf_parse_subfield__(&s.groups[k], &string);
2858 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2859 "'groups' (%s)", br->name, i, msg);
2861 } else if (*string) {
2862 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2863 "element '%s' contains trailing garbage",
2864 br->name, i, cfg->groups[k]);
2872 ofproto_configure_table(br->ofproto, i, &s);
2876 for (; j < br->cfg->n_flow_tables; j++) {
2877 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2878 "%"PRId64" not supported by this datapath", br->name,
2879 br->cfg->key_flow_tables[j]);
2883 /* Port functions. */
2885 static struct port *
2886 port_create(struct bridge *br, const struct ovsrec_port *cfg)
2890 port = xzalloc(sizeof *port);
2892 port->name = xstrdup(cfg->name);
2894 list_init(&port->ifaces);
2896 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
2900 /* Deletes interfaces from 'port' that are no longer configured for it. */
2902 port_del_ifaces(struct port *port)
2904 struct iface *iface, *next;
2905 struct sset new_ifaces;
2908 /* Collect list of new interfaces. */
2909 sset_init(&new_ifaces);
2910 for (i = 0; i < port->cfg->n_interfaces; i++) {
2911 const char *name = port->cfg->interfaces[i]->name;
2912 const char *type = port->cfg->interfaces[i]->type;
2913 if (strcmp(type, "null")) {
2914 sset_add(&new_ifaces, name);
2918 /* Get rid of deleted interfaces. */
2919 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2920 if (!sset_contains(&new_ifaces, iface->name)) {
2921 iface_destroy(iface);
2925 sset_destroy(&new_ifaces);
2929 port_destroy(struct port *port)
2932 struct bridge *br = port->bridge;
2933 struct iface *iface, *next;
2936 ofproto_bundle_unregister(br->ofproto, port);
2939 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2940 iface_destroy(iface);
2943 hmap_remove(&br->ports, &port->hmap_node);
2949 static struct port *
2950 port_lookup(const struct bridge *br, const char *name)
2954 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
2956 if (!strcmp(port->name, name)) {
2964 enable_lacp(struct port *port, bool *activep)
2966 if (!port->cfg->lacp) {
2967 /* XXX when LACP implementation has been sufficiently tested, enable by
2968 * default and make active on bonded ports. */
2970 } else if (!strcmp(port->cfg->lacp, "off")) {
2972 } else if (!strcmp(port->cfg->lacp, "active")) {
2975 } else if (!strcmp(port->cfg->lacp, "passive")) {
2979 VLOG_WARN("port %s: unknown LACP mode %s",
2980 port->name, port->cfg->lacp);
2985 static struct lacp_settings *
2986 port_configure_lacp(struct port *port, struct lacp_settings *s)
2988 const char *lacp_time, *system_id;
2991 if (!enable_lacp(port, &s->active)) {
2995 s->name = port->name;
2997 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
2999 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3000 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3001 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3002 " address.", port->name, system_id);
3006 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3009 if (eth_addr_is_zero(s->id)) {
3010 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3014 /* Prefer bondable links if unspecified. */
3015 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3017 s->priority = (priority > 0 && priority <= UINT16_MAX
3019 : UINT16_MAX - !list_is_short(&port->ifaces));
3021 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3022 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3027 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3029 int priority, portid, key;
3031 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3032 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3034 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3036 if (portid <= 0 || portid > UINT16_MAX) {
3037 portid = iface->ofp_port;
3040 if (priority <= 0 || priority > UINT16_MAX) {
3041 priority = UINT16_MAX;
3044 if (key < 0 || key > UINT16_MAX) {
3048 s->name = iface->name;
3050 s->priority = priority;
3055 port_configure_bond(struct port *port, struct bond_settings *s,
3056 uint32_t *bond_stable_ids)
3058 const char *detect_s;
3059 struct iface *iface;
3060 int miimon_interval;
3063 s->name = port->name;
3065 if (port->cfg->bond_mode) {
3066 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3067 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3068 port->name, port->cfg->bond_mode,
3069 bond_mode_to_string(s->balance));
3072 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3074 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3075 * active-backup. At some point we should remove this warning. */
3076 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3077 " in previous versions, the default bond_mode was"
3078 " balance-slb", port->name,
3079 bond_mode_to_string(s->balance));
3081 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3082 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3083 "please use another bond type or disable flood_vlans",
3087 miimon_interval = smap_get_int(&port->cfg->other_config,
3088 "bond-miimon-interval", 0);
3089 if (miimon_interval <= 0) {
3090 miimon_interval = 200;
3093 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3094 if (!detect_s || !strcmp(detect_s, "carrier")) {
3095 miimon_interval = 0;
3096 } else if (strcmp(detect_s, "miimon")) {
3097 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3098 "defaulting to carrier", port->name, detect_s);
3099 miimon_interval = 0;
3102 s->up_delay = MAX(0, port->cfg->bond_updelay);
3103 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3104 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3105 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3106 "bond-rebalance-interval", 10000);
3107 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3108 s->rebalance_interval = 1000;
3111 s->fake_iface = port->cfg->bond_fake_iface;
3114 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3115 long long stable_id;
3117 stable_id = smap_get_int(&iface->cfg->other_config, "bond-stable-id",
3119 if (stable_id <= 0 || stable_id >= UINT32_MAX) {
3120 stable_id = iface->ofp_port;
3122 bond_stable_ids[i++] = stable_id;
3124 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3128 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3129 * instead of obtaining it from the database. */
3131 port_is_synthetic(const struct port *port)
3133 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3136 /* Interface functions. */
3138 /* Returns the correct network device type for interface 'iface' in bridge
3141 iface_get_type(const struct ovsrec_interface *iface,
3142 const struct ovsrec_bridge *br)
3144 /* The local port always has type "internal" unless the bridge is of
3145 * type "dummy". Other ports take their type from the database and
3146 * default to "system" if none is specified. */
3147 if (!strcmp(iface->name, br->name)) {
3148 return !strcmp(br->datapath_type, "dummy") ? "dummy" : "internal";
3150 return iface->type[0] ? iface->type : "system";
3155 iface_destroy(struct iface *iface)
3158 struct port *port = iface->port;
3159 struct bridge *br = port->bridge;
3161 if (br->ofproto && iface->ofp_port >= 0) {
3162 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3165 if (iface->ofp_port >= 0) {
3166 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3169 list_remove(&iface->port_elem);
3170 hmap_remove(&br->iface_by_name, &iface->name_node);
3172 netdev_close(iface->netdev);
3179 static struct iface *
3180 iface_lookup(const struct bridge *br, const char *name)
3182 struct iface *iface;
3184 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3185 &br->iface_by_name) {
3186 if (!strcmp(iface->name, name)) {
3194 static struct iface *
3195 iface_find(const char *name)
3197 const struct bridge *br;
3199 HMAP_FOR_EACH (br, node, &all_bridges) {
3200 struct iface *iface = iface_lookup(br, name);
3209 static struct if_cfg *
3210 if_cfg_lookup(const struct bridge *br, const char *name)
3212 struct if_cfg *if_cfg;
3214 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3216 if (!strcmp(if_cfg->cfg->name, name)) {
3224 static struct iface *
3225 iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
3227 struct iface *iface;
3229 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3230 hash_int(ofp_port, 0), &br->ifaces) {
3231 if (iface->ofp_port == ofp_port) {
3238 /* Set Ethernet address of 'iface', if one is specified in the configuration
3241 iface_set_mac(struct iface *iface)
3243 uint8_t ea[ETH_ADDR_LEN];
3245 if (!strcmp(iface->type, "internal")
3246 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3247 if (iface->ofp_port == OFPP_LOCAL) {
3248 VLOG_ERR("interface %s: ignoring mac in Interface record "
3249 "(use Bridge record to set local port's mac)",
3251 } else if (eth_addr_is_multicast(ea)) {
3252 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3255 int error = netdev_set_etheraddr(iface->netdev, ea);
3257 VLOG_ERR("interface %s: setting MAC failed (%s)",
3258 iface->name, strerror(error));
3264 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3266 iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3268 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3269 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3273 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3274 * sets the "ofport" field to -1.
3276 * This is appropriate when 'if_cfg''s interface cannot be created or is
3277 * otherwise invalid. */
3279 iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3281 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3282 iface_set_ofport(if_cfg, -1);
3283 ovsrec_interface_set_status(if_cfg, NULL);
3284 ovsrec_interface_set_admin_state(if_cfg, NULL);
3285 ovsrec_interface_set_duplex(if_cfg, NULL);
3286 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3287 ovsrec_interface_set_link_state(if_cfg, NULL);
3288 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3289 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3290 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3291 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3292 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3293 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3297 struct iface_delete_queues_cbdata {
3298 struct netdev *netdev;
3299 const struct ovsdb_datum *queues;
3303 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3305 union ovsdb_atom atom;
3307 atom.integer = target;
3308 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
3312 iface_delete_queues(unsigned int queue_id,
3313 const struct smap *details OVS_UNUSED, void *cbdata_)
3315 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3317 if (!queue_ids_include(cbdata->queues, queue_id)) {
3318 netdev_delete_queue(cbdata->netdev, queue_id);
3323 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
3325 struct ofpbuf queues_buf;
3327 ofpbuf_init(&queues_buf, 0);
3329 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
3330 netdev_set_qos(iface->netdev, NULL, NULL);
3332 struct iface_delete_queues_cbdata cbdata;
3336 /* Configure top-level Qos for 'iface'. */
3337 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
3339 /* Deconfigure queues that were deleted. */
3340 cbdata.netdev = iface->netdev;
3341 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3343 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3345 /* Configure queues for 'iface'. */
3347 for (i = 0; i < qos->n_queues; i++) {
3348 const struct ovsrec_queue *queue = qos->value_queues[i];
3349 unsigned int queue_id = qos->key_queues[i];
3351 if (queue_id == 0) {
3355 if (queue->n_dscp == 1) {
3356 struct ofproto_port_queue *port_queue;
3358 port_queue = ofpbuf_put_uninit(&queues_buf,
3359 sizeof *port_queue);
3360 port_queue->queue = queue_id;
3361 port_queue->dscp = queue->dscp[0];
3364 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
3367 struct smap details;
3369 smap_init(&details);
3370 netdev_set_queue(iface->netdev, 0, &details);
3371 smap_destroy(&details);
3375 if (iface->ofp_port >= 0) {
3376 const struct ofproto_port_queue *port_queues = queues_buf.data;
3377 size_t n_queues = queues_buf.size / sizeof *port_queues;
3379 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3380 port_queues, n_queues);
3383 netdev_set_policing(iface->netdev,
3384 iface->cfg->ingress_policing_rate,
3385 iface->cfg->ingress_policing_burst);
3387 ofpbuf_uninit(&queues_buf);
3391 iface_configure_cfm(struct iface *iface)
3393 const struct ovsrec_interface *cfg = iface->cfg;
3394 const char *opstate_str;
3395 const char *cfm_ccm_vlan;
3396 struct cfm_settings s;
3397 struct smap netdev_args;
3399 if (!cfg->n_cfm_mpid) {
3400 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
3404 s.check_tnl_key = false;
3405 smap_init(&netdev_args);
3406 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3407 const char *key = smap_get(&netdev_args, "key");
3408 const char *in_key = smap_get(&netdev_args, "in_key");
3410 s.check_tnl_key = (key && !strcmp(key, "flow"))
3411 || (in_key && !strcmp(in_key, "flow"));
3413 smap_destroy(&netdev_args);
3415 s.mpid = *cfg->cfm_mpid;
3416 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3417 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3418 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3420 if (s.interval <= 0) {
3424 if (!cfm_ccm_vlan) {
3426 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
3427 s.ccm_vlan = CFM_RANDOM_VLAN;
3429 s.ccm_vlan = atoi(cfm_ccm_vlan);
3430 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3435 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3438 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3439 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
3441 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
3444 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3445 * instead of obtaining it from the database. */
3447 iface_is_synthetic(const struct iface *iface)
3449 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3453 /* Port mirroring. */
3455 static struct mirror *
3456 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3460 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3461 if (uuid_equals(uuid, &m->uuid)) {
3469 bridge_configure_mirrors(struct bridge *br)
3471 const struct ovsdb_datum *mc;
3472 unsigned long *flood_vlans;
3473 struct mirror *m, *next;
3476 /* Get rid of deleted mirrors. */
3477 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3478 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3479 union ovsdb_atom atom;
3481 atom.uuid = m->uuid;
3482 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3487 /* Add new mirrors and reconfigure existing ones. */
3488 for (i = 0; i < br->cfg->n_mirrors; i++) {
3489 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
3490 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
3492 m = mirror_create(br, cfg);
3495 if (!mirror_configure(m)) {
3500 /* Update flooded vlans (for RSPAN). */
3501 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3502 br->cfg->n_flood_vlans);
3503 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3504 bitmap_free(flood_vlans);
3507 static struct mirror *
3508 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
3512 m = xzalloc(sizeof *m);
3513 m->uuid = cfg->header_.uuid;
3514 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
3516 m->name = xstrdup(cfg->name);
3522 mirror_destroy(struct mirror *m)
3525 struct bridge *br = m->bridge;
3528 ofproto_mirror_unregister(br->ofproto, m);
3531 hmap_remove(&br->mirrors, &m->hmap_node);
3538 mirror_collect_ports(struct mirror *m,
3539 struct ovsrec_port **in_ports, int n_in_ports,
3540 void ***out_portsp, size_t *n_out_portsp)
3542 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3543 size_t n_out_ports = 0;
3546 for (i = 0; i < n_in_ports; i++) {
3547 const char *name = in_ports[i]->name;
3548 struct port *port = port_lookup(m->bridge, name);
3550 out_ports[n_out_ports++] = port;
3552 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3553 "port %s", m->bridge->name, m->name, name);
3556 *out_portsp = out_ports;
3557 *n_out_portsp = n_out_ports;
3561 mirror_configure(struct mirror *m)
3563 const struct ovsrec_mirror *cfg = m->cfg;
3564 struct ofproto_mirror_settings s;
3567 if (strcmp(cfg->name, m->name)) {
3569 m->name = xstrdup(cfg->name);
3573 /* Get output port or VLAN. */
3574 if (cfg->output_port) {
3575 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
3576 if (!s.out_bundle) {
3577 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3578 m->bridge->name, m->name);
3581 s.out_vlan = UINT16_MAX;
3583 if (cfg->output_vlan) {
3584 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3585 "output vlan; ignoring output vlan",
3586 m->bridge->name, m->name);
3588 } else if (cfg->output_vlan) {
3589 /* The database should prevent invalid VLAN values. */
3590 s.out_bundle = NULL;
3591 s.out_vlan = *cfg->output_vlan;
3593 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3594 m->bridge->name, m->name);
3598 /* Get port selection. */
3599 if (cfg->select_all) {
3600 size_t n_ports = hmap_count(&m->bridge->ports);
3601 void **ports = xmalloc(n_ports * sizeof *ports);
3606 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
3616 /* Get ports, dropping ports that don't exist.
3617 * The IDL ensures that there are no duplicates. */
3618 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
3619 &s.srcs, &s.n_srcs);
3620 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
3621 &s.dsts, &s.n_dsts);
3624 /* Get VLAN selection. */
3625 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3628 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3631 if (s.srcs != s.dsts) {
3640 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3642 * This is deprecated. It is only for compatibility with broken device drivers
3643 * in old versions of Linux that do not properly support VLANs when VLAN
3644 * devices are not used. When broken device drivers are no longer in
3645 * widespread use, we will delete these interfaces. */
3647 static struct ovsrec_port **recs;
3648 static size_t n_recs, allocated_recs;
3650 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3651 * splinters are reconfigured. */
3653 register_rec(struct ovsrec_port *rec)
3655 if (n_recs >= allocated_recs) {
3656 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
3658 recs[n_recs++] = rec;
3661 /* Frees all of the ports registered with register_reg(). */
3663 free_registered_recs(void)
3667 for (i = 0; i < n_recs; i++) {
3668 struct ovsrec_port *port = recs[i];
3671 for (j = 0; j < port->n_interfaces; j++) {
3672 struct ovsrec_interface *iface = port->interfaces[j];
3677 smap_destroy(&port->other_config);
3678 free(port->interfaces);
3686 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3689 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3691 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3695 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3698 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3699 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3700 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3703 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3704 * use, returns NULL.
3706 * Updates 'vlan_splinters_enabled_anywhere'. */
3707 static unsigned long int *
3708 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3710 unsigned long int *splinter_vlans;
3711 struct sset splinter_ifaces;
3712 const char *real_dev_name;
3713 struct shash *real_devs;
3714 struct shash_node *node;
3718 /* Free space allocated for synthesized ports and interfaces, since we're
3719 * in the process of reconstructing all of them. */
3720 free_registered_recs();
3722 splinter_vlans = bitmap_allocate(4096);
3723 sset_init(&splinter_ifaces);
3724 vlan_splinters_enabled_anywhere = false;
3725 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3726 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3729 for (j = 0; j < br_cfg->n_ports; j++) {
3730 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3733 for (k = 0; k < port_cfg->n_interfaces; k++) {
3734 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3736 if (vlan_splinters_is_enabled(iface_cfg)) {
3737 vlan_splinters_enabled_anywhere = true;
3738 sset_add(&splinter_ifaces, iface_cfg->name);
3739 vlan_bitmap_from_array__(port_cfg->trunks,
3745 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3746 bitmap_set1(splinter_vlans, *port_cfg->tag);
3751 if (!vlan_splinters_enabled_anywhere) {
3752 free(splinter_vlans);
3753 sset_destroy(&splinter_ifaces);
3757 HMAP_FOR_EACH (br, node, &all_bridges) {
3759 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3763 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3764 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3765 * device to be created for it. */
3766 bitmap_set0(splinter_vlans, 0);
3767 bitmap_set0(splinter_vlans, 4095);
3769 /* Delete all VLAN devices that we don't need. */
3771 real_devs = vlandev_get_real_devs();
3772 SHASH_FOR_EACH (node, real_devs) {
3773 const struct vlan_real_dev *real_dev = node->data;
3774 const struct vlan_dev *vlan_dev;
3775 bool real_dev_has_splinters;
3777 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3779 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3780 if (!real_dev_has_splinters
3781 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3782 struct netdev *netdev;
3784 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3785 if (!netdev_get_in4(netdev, NULL, NULL) ||
3786 !netdev_get_in6(netdev, NULL)) {
3787 vlandev_del(vlan_dev->name);
3789 /* It has an IP address configured, so we don't own
3790 * it. Don't delete it. */
3792 netdev_close(netdev);
3799 /* Add all VLAN devices that we need. */
3800 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3803 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3804 if (!vlandev_get_name(real_dev_name, vid)) {
3805 vlandev_add(real_dev_name, vid);
3812 sset_destroy(&splinter_ifaces);
3814 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3815 free(splinter_vlans);
3818 return splinter_vlans;
3821 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3824 configure_splinter_port(struct port *port)
3826 struct ofproto *ofproto = port->bridge->ofproto;
3827 uint16_t realdev_ofp_port;
3828 const char *realdev_name;
3829 struct iface *vlandev, *realdev;
3831 ofproto_bundle_unregister(port->bridge->ofproto, port);
3833 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3836 realdev_name = smap_get(&port->cfg->other_config, "realdev");
3837 realdev = iface_lookup(port->bridge, realdev_name);
3838 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3840 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3844 static struct ovsrec_port *
3845 synthesize_splinter_port(const char *real_dev_name,
3846 const char *vlan_dev_name, int vid)
3848 struct ovsrec_interface *iface;
3849 struct ovsrec_port *port;
3851 iface = xmalloc(sizeof *iface);
3852 ovsrec_interface_init(iface);
3853 iface->name = xstrdup(vlan_dev_name);
3854 iface->type = "system";
3856 port = xmalloc(sizeof *port);
3857 ovsrec_port_init(port);
3858 port->interfaces = xmemdup(&iface, sizeof iface);
3859 port->n_interfaces = 1;
3860 port->name = xstrdup(vlan_dev_name);
3861 port->vlan_mode = "splinter";
3862 port->tag = xmalloc(sizeof *port->tag);
3865 smap_add(&port->other_config, "realdev", real_dev_name);
3871 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3872 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3873 * 1-bit in the 'splinter_vlans' bitmap. */
3875 add_vlan_splinter_ports(struct bridge *br,
3876 const unsigned long int *splinter_vlans,
3877 struct shash *ports)
3881 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3882 * we're modifying 'ports'. */
3883 for (i = 0; i < br->cfg->n_ports; i++) {
3884 const char *name = br->cfg->ports[i]->name;
3885 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3888 for (j = 0; j < port_cfg->n_interfaces; j++) {
3889 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3891 if (vlan_splinters_is_enabled(iface_cfg)) {
3892 const char *real_dev_name;
3895 real_dev_name = iface_cfg->name;
3896 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3897 const char *vlan_dev_name;
3899 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3901 && !shash_find(ports, vlan_dev_name)) {
3902 shash_add(ports, vlan_dev_name,
3903 synthesize_splinter_port(
3904 real_dev_name, vlan_dev_name, vid));
3913 mirror_refresh_stats(struct mirror *m)
3915 struct ofproto *ofproto = m->bridge->ofproto;
3916 uint64_t tx_packets, tx_bytes;
3919 size_t stat_cnt = 0;
3921 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3922 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
3926 if (tx_packets != UINT64_MAX) {
3927 keys[stat_cnt] = "tx_packets";
3928 values[stat_cnt] = tx_packets;
3931 if (tx_bytes != UINT64_MAX) {
3932 keys[stat_cnt] = "tx_bytes";
3933 values[stat_cnt] = tx_bytes;
3937 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);