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 bool iface_is_internal(const struct ovsrec_interface *iface,
231 const struct ovsrec_bridge *br);
232 static const char *iface_get_type(const struct ovsrec_interface *,
233 const struct ovsrec_bridge *);
234 static void iface_destroy(struct iface *);
235 static struct iface *iface_lookup(const struct bridge *, const char *name);
236 static struct iface *iface_find(const char *name);
237 static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
238 static struct iface *iface_from_ofp_port(const struct bridge *,
240 static void iface_set_mac(struct iface *);
241 static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
242 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg);
243 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
244 static void iface_configure_cfm(struct iface *);
245 static void iface_refresh_cfm_stats(struct iface *);
246 static void iface_refresh_stats(struct iface *);
247 static void iface_refresh_status(struct iface *);
248 static bool iface_is_synthetic(const struct iface *);
250 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
252 * This is deprecated. It is only for compatibility with broken device drivers
253 * in old versions of Linux that do not properly support VLANs when VLAN
254 * devices are not used. When broken device drivers are no longer in
255 * widespread use, we will delete these interfaces. */
257 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
258 static bool vlan_splinters_enabled_anywhere;
260 static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
261 static unsigned long int *collect_splinter_vlans(
262 const struct ovsrec_open_vswitch *);
263 static void configure_splinter_port(struct port *);
264 static void add_vlan_splinter_ports(struct bridge *,
265 const unsigned long int *splinter_vlans,
266 struct shash *ports);
269 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
271 struct shash iface_hints;
272 static bool initialized = false;
279 shash_init(&iface_hints);
282 for (i = 0; i < cfg->n_bridges; i++) {
283 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
286 for (j = 0; j < br_cfg->n_ports; j++) {
287 struct ovsrec_port *port_cfg = br_cfg->ports[j];
290 for (k = 0; k < port_cfg->n_interfaces; k++) {
291 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
292 struct iface_hint *iface_hint;
294 iface_hint = xmalloc(sizeof *iface_hint);
295 iface_hint->br_name = br_cfg->name;
296 iface_hint->br_type = br_cfg->datapath_type;
297 iface_hint->ofp_port = if_cfg->n_ofport_request ?
298 *if_cfg->ofport_request : OFPP_NONE;
300 shash_add(&iface_hints, if_cfg->name, iface_hint);
306 ofproto_init(&iface_hints);
308 shash_destroy_free_data(&iface_hints);
312 /* Public functions. */
314 /* Initializes the bridge module, configuring it to obtain its configuration
315 * from an OVSDB server accessed over 'remote', which should be a string in a
316 * form acceptable to ovsdb_idl_create(). */
318 bridge_init(const char *remote)
320 /* Create connection to database. */
321 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
322 idl_seqno = ovsdb_idl_get_seqno(idl);
323 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
324 ovsdb_idl_verify_write_only(idl);
326 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
327 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
328 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
329 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
330 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
331 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
332 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
334 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
335 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
336 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
338 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
339 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
340 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
341 ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
343 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
344 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
345 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
346 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
347 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
348 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
349 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
350 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
351 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
352 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
353 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
354 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
355 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
356 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
357 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
358 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
360 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
361 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
362 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
363 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
365 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
367 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
369 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
370 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
372 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
374 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
376 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
377 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
378 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
379 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
380 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
382 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
384 /* Register unixctl commands. */
385 unixctl_command_register("qos/show", "interface", 1, 1,
386 qos_unixctl_show, NULL);
387 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
388 bridge_unixctl_dump_flows, NULL);
389 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
390 bridge_unixctl_reconnect, NULL);
400 struct bridge *br, *next_br;
402 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
405 ovsdb_idl_destroy(idl);
408 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
409 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
410 * responsible for freeing '*managersp' (with free()).
412 * You may be asking yourself "why does ovs-vswitchd care?", because
413 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
414 * should not be and in fact is not directly involved in that. But
415 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
416 * it has to tell in-band control where the managers are to enable that.
417 * (Thus, only managers connected in-band are collected.)
420 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
421 struct sockaddr_in **managersp, size_t *n_managersp)
423 struct sockaddr_in *managers = NULL;
424 size_t n_managers = 0;
428 /* Collect all of the potential targets from the "targets" columns of the
429 * rows pointed to by "manager_options", excluding any that are
432 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
433 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
435 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
436 sset_find_and_delete(&targets, m->target);
438 sset_add(&targets, m->target);
442 /* Now extract the targets' IP addresses. */
443 if (!sset_is_empty(&targets)) {
446 managers = xmalloc(sset_count(&targets) * sizeof *managers);
447 SSET_FOR_EACH (target, &targets) {
448 struct sockaddr_in *sin = &managers[n_managers];
450 if (stream_parse_target_with_default_ports(target,
458 sset_destroy(&targets);
460 *managersp = managers;
461 *n_managersp = n_managers;
465 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
467 unsigned long int *splinter_vlans;
470 COVERAGE_INC(bridge_reconfigure);
472 assert(!reconfiguring);
473 reconfiguring = true;
475 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
476 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
477 * configuration otherwise.
479 * This is mostly an update to bridge data structures. Nothing is pushed
480 * down to ofproto or lower layers. */
481 add_del_bridges(ovs_cfg);
482 splinter_vlans = collect_splinter_vlans(ovs_cfg);
483 HMAP_FOR_EACH (br, node, &all_bridges) {
484 bridge_add_del_ports(br, splinter_vlans);
486 free(splinter_vlans);
488 /* Delete datapaths that are no longer configured, and create ones which
489 * don't exist but should. */
490 bridge_update_ofprotos();
492 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
493 HMAP_FOR_EACH (br, node, &all_bridges) {
494 bridge_refresh_ofp_port(br);
497 /* Clear database records for "if_cfg"s which haven't been instantiated. */
498 HMAP_FOR_EACH (br, node, &all_bridges) {
499 struct if_cfg *if_cfg;
501 HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
502 iface_clear_db_record(if_cfg->cfg);
506 reconfigure_system_stats(ovs_cfg);
510 bridge_reconfigure_ofp(void)
512 long long int deadline;
516 deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
518 /* The kernel will reject any attempt to add a given port to a datapath if
519 * that port already belongs to a different datapath, so we must do all
520 * port deletions before any port additions. */
521 HMAP_FOR_EACH (br, node, &all_bridges) {
522 struct ofpp_garbage *garbage, *next;
524 LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
525 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
526 * internal datastructures may not be consistent. Eventually, when
527 * port additions and deletions are cheaper, these calls should be
530 ofproto_port_del(br->ofproto, garbage->ofp_port);
531 list_remove(&garbage->list_node);
535 if (time_msec() >= deadline) {
542 HMAP_FOR_EACH (br, node, &all_bridges) {
543 struct if_cfg *if_cfg, *next;
545 HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
546 iface_create(br, if_cfg, -1);
548 if (time_msec() >= deadline) {
558 bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
560 struct sockaddr_in *managers;
561 int sflow_bridge_number;
566 assert(reconfiguring);
567 done = bridge_reconfigure_ofp();
569 /* Complete the configuration. */
570 sflow_bridge_number = 0;
571 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
572 HMAP_FOR_EACH (br, node, &all_bridges) {
575 /* We need the datapath ID early to allow LACP ports to use it as the
576 * default system ID. */
577 bridge_configure_datapath_id(br);
579 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
582 port_configure(port);
584 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
585 iface_configure_cfm(iface);
586 iface_configure_qos(iface, port->cfg->qos);
587 iface_set_mac(iface);
590 bridge_configure_mirrors(br);
591 bridge_configure_flow_eviction_threshold(br);
592 bridge_configure_forward_bpdu(br);
593 bridge_configure_mac_idle_time(br);
594 bridge_configure_remotes(br, managers, n_managers);
595 bridge_configure_netflow(br);
596 bridge_configure_sflow(br, &sflow_bridge_number);
597 bridge_configure_stp(br);
598 bridge_configure_tables(br);
603 /* ovs-vswitchd has completed initialization, so allow the process that
604 * forked us to exit successfully. */
605 daemonize_complete();
606 reconfiguring = false;
608 VLOG_INFO("%s (Open vSwitch) %s", program_name, VERSION);
614 /* Delete ofprotos which aren't configured or have the wrong type. Create
615 * ofprotos which don't exist but need to. */
617 bridge_update_ofprotos(void)
619 struct bridge *br, *next;
624 /* Delete ofprotos with no bridge or with the wrong type. */
627 ofproto_enumerate_types(&types);
628 SSET_FOR_EACH (type, &types) {
631 ofproto_enumerate_names(type, &names);
632 SSET_FOR_EACH (name, &names) {
633 br = bridge_lookup(name);
634 if (!br || strcmp(type, br->type)) {
635 ofproto_delete(name, type);
639 sset_destroy(&names);
640 sset_destroy(&types);
642 /* Add ofprotos for bridges which don't have one yet. */
643 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
651 /* Remove ports from any datapath with the same name as 'br'. If we
652 * don't do this, creating 'br''s ofproto will fail because a port with
653 * the same name as its local port already exists. */
654 HMAP_FOR_EACH (br2, node, &all_bridges) {
655 struct ofproto_port ofproto_port;
661 if (!ofproto_port_query_by_name(br2->ofproto, br->name,
663 error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
665 VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
668 ofproto_port_destroy(&ofproto_port);
672 error = ofproto_create(br->name, br->type, &br->ofproto);
674 VLOG_ERR("failed to create bridge %s: %s", br->name,
682 port_configure(struct port *port)
684 const struct ovsrec_port *cfg = port->cfg;
685 struct bond_settings bond_settings;
686 struct lacp_settings lacp_settings;
687 struct ofproto_bundle_settings s;
690 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
691 configure_splinter_port(port);
700 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
701 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
702 s.slaves[s.n_slaves++] = iface->ofp_port;
707 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
711 /* Get VLAN trunks. */
714 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
718 if (cfg->vlan_mode) {
719 if (!strcmp(cfg->vlan_mode, "access")) {
720 s.vlan_mode = PORT_VLAN_ACCESS;
721 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
722 s.vlan_mode = PORT_VLAN_TRUNK;
723 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
724 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
725 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
726 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
728 /* This "can't happen" because ovsdb-server should prevent it. */
729 VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode);
730 s.vlan_mode = PORT_VLAN_TRUNK;
734 s.vlan_mode = PORT_VLAN_ACCESS;
736 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
740 s.vlan_mode = PORT_VLAN_TRUNK;
743 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
746 /* Get LACP settings. */
747 s.lacp = port_configure_lacp(port, &lacp_settings);
751 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
752 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
753 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
756 s.lacp_slaves = NULL;
759 /* Get bond settings. */
760 if (s.n_slaves > 1) {
761 s.bond = &bond_settings;
762 s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids);
763 port_configure_bond(port, &bond_settings, s.bond_stable_ids);
766 s.bond_stable_ids = NULL;
768 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
769 netdev_set_miimon_interval(iface->netdev, 0);
774 ofproto_bundle_register(port->bridge->ofproto, port, &s);
780 free(s.bond_stable_ids);
783 /* Pick local port hardware address and datapath ID for 'br'. */
785 bridge_configure_datapath_id(struct bridge *br)
787 uint8_t ea[ETH_ADDR_LEN];
789 struct iface *local_iface;
790 struct iface *hw_addr_iface;
793 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
794 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
796 int error = netdev_set_etheraddr(local_iface->netdev, ea);
798 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
799 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
800 "Ethernet address: %s",
801 br->name, strerror(error));
804 memcpy(br->ea, ea, ETH_ADDR_LEN);
806 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
807 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
808 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
809 ofproto_set_datapath_id(br->ofproto, dpid);
812 dpid_string = xasprintf("%016"PRIx64, dpid);
813 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
817 /* Set NetFlow configuration on 'br'. */
819 bridge_configure_netflow(struct bridge *br)
821 struct ovsrec_netflow *cfg = br->cfg->netflow;
822 struct netflow_options opts;
825 ofproto_set_netflow(br->ofproto, NULL);
829 memset(&opts, 0, sizeof opts);
831 /* Get default NetFlow configuration from datapath.
832 * Apply overrides from 'cfg'. */
833 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
834 if (cfg->engine_type) {
835 opts.engine_type = *cfg->engine_type;
837 if (cfg->engine_id) {
838 opts.engine_id = *cfg->engine_id;
841 /* Configure active timeout interval. */
842 opts.active_timeout = cfg->active_timeout;
843 if (!opts.active_timeout) {
844 opts.active_timeout = -1;
845 } else if (opts.active_timeout < 0) {
846 VLOG_WARN("bridge %s: active timeout interval set to negative "
847 "value, using default instead (%d seconds)", br->name,
848 NF_ACTIVE_TIMEOUT_DEFAULT);
849 opts.active_timeout = -1;
852 /* Add engine ID to interface number to disambiguate bridgs? */
853 opts.add_id_to_iface = cfg->add_id_to_interface;
854 if (opts.add_id_to_iface) {
855 if (opts.engine_id > 0x7f) {
856 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
857 "another vswitch, choose an engine id less than 128",
860 if (hmap_count(&br->ports) > 508) {
861 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
862 "another port when more than 508 ports are used",
868 sset_init(&opts.collectors);
869 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
872 if (ofproto_set_netflow(br->ofproto, &opts)) {
873 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
875 sset_destroy(&opts.collectors);
878 /* Set sFlow configuration on 'br'. */
880 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
882 const struct ovsrec_sflow *cfg = br->cfg->sflow;
883 struct ovsrec_controller **controllers;
884 struct ofproto_sflow_options oso;
885 size_t n_controllers;
889 ofproto_set_sflow(br->ofproto, NULL);
893 memset(&oso, 0, sizeof oso);
895 sset_init(&oso.targets);
896 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
898 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
900 oso.sampling_rate = *cfg->sampling;
903 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
905 oso.polling_interval = *cfg->polling;
908 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
910 oso.header_len = *cfg->header;
913 oso.sub_id = (*sflow_bridge_number)++;
914 oso.agent_device = cfg->agent;
916 oso.control_ip = NULL;
917 n_controllers = bridge_get_controllers(br, &controllers);
918 for (i = 0; i < n_controllers; i++) {
919 if (controllers[i]->local_ip) {
920 oso.control_ip = controllers[i]->local_ip;
924 ofproto_set_sflow(br->ofproto, &oso);
926 sset_destroy(&oso.targets);
930 port_configure_stp(const struct ofproto *ofproto, struct port *port,
931 struct ofproto_port_stp_settings *port_s,
932 int *port_num_counter, unsigned long *port_num_bitmap)
934 const char *config_str;
937 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
938 port_s->enable = false;
941 port_s->enable = true;
944 /* STP over bonds is not supported. */
945 if (!list_is_singleton(&port->ifaces)) {
946 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
948 port_s->enable = false;
952 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
954 /* Internal ports shouldn't participate in spanning tree, so
956 if (!strcmp(iface->type, "internal")) {
957 VLOG_DBG("port %s: disable STP on internal ports", port->name);
958 port_s->enable = false;
962 /* STP on mirror output ports is not supported. */
963 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
964 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
965 port_s->enable = false;
969 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
971 unsigned long int port_num = strtoul(config_str, NULL, 0);
972 int port_idx = port_num - 1;
974 if (port_num < 1 || port_num > STP_MAX_PORTS) {
975 VLOG_ERR("port %s: invalid stp-port-num", port->name);
976 port_s->enable = false;
980 if (bitmap_is_set(port_num_bitmap, port_idx)) {
981 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
982 port->name, port_num);
983 port_s->enable = false;
986 bitmap_set1(port_num_bitmap, port_idx);
987 port_s->port_num = port_idx;
989 if (*port_num_counter >= STP_MAX_PORTS) {
990 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
991 port_s->enable = false;
995 port_s->port_num = (*port_num_counter)++;
998 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
1000 port_s->path_cost = strtoul(config_str, NULL, 10);
1002 enum netdev_features current;
1005 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1006 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1007 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1010 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1012 port_s->priority = strtoul(config_str, NULL, 0);
1014 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1018 /* Set spanning tree configuration on 'br'. */
1020 bridge_configure_stp(struct bridge *br)
1022 if (!br->cfg->stp_enable) {
1023 ofproto_set_stp(br->ofproto, NULL);
1025 struct ofproto_stp_settings br_s;
1026 const char *config_str;
1028 int port_num_counter;
1029 unsigned long *port_num_bitmap;
1031 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1033 uint8_t ea[ETH_ADDR_LEN];
1035 if (eth_addr_from_string(config_str, ea)) {
1036 br_s.system_id = eth_addr_to_uint64(ea);
1038 br_s.system_id = eth_addr_to_uint64(br->ea);
1039 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1040 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1043 br_s.system_id = eth_addr_to_uint64(br->ea);
1046 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1048 br_s.priority = strtoul(config_str, NULL, 0);
1050 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1053 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1055 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1057 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1060 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1062 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1064 br_s.max_age = STP_DEFAULT_MAX_AGE;
1067 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1069 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1071 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1074 /* Configure STP on the bridge. */
1075 if (ofproto_set_stp(br->ofproto, &br_s)) {
1076 VLOG_ERR("bridge %s: could not enable STP", br->name);
1080 /* Users must either set the port number with the "stp-port-num"
1081 * configuration on all ports or none. If manual configuration
1082 * is not done, then we allocate them sequentially. */
1083 port_num_counter = 0;
1084 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1085 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1086 struct ofproto_port_stp_settings port_s;
1087 struct iface *iface;
1089 port_configure_stp(br->ofproto, port, &port_s,
1090 &port_num_counter, port_num_bitmap);
1092 /* As bonds are not supported, just apply configuration to
1093 * all interfaces. */
1094 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1095 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1097 VLOG_ERR("port %s: could not enable STP", port->name);
1103 if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1104 && port_num_counter) {
1105 VLOG_ERR("bridge %s: must manually configure all STP port "
1106 "IDs or none, disabling", br->name);
1107 ofproto_set_stp(br->ofproto, NULL);
1109 bitmap_free(port_num_bitmap);
1114 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1116 const struct port *port = port_lookup(br, name);
1117 return port && port_is_bond_fake_iface(port);
1121 port_is_bond_fake_iface(const struct port *port)
1123 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1127 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1129 struct bridge *br, *next;
1130 struct shash new_br;
1133 /* Collect new bridges' names and types. */
1134 shash_init(&new_br);
1135 for (i = 0; i < cfg->n_bridges; i++) {
1136 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1137 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1139 if (strchr(br_cfg->name, '/')) {
1140 /* Prevent remote ovsdb-server users from accessing arbitrary
1141 * directories, e.g. consider a bridge named "../../../etc/". */
1142 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1144 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1145 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1149 /* Get rid of deleted bridges or those whose types have changed.
1150 * Update 'cfg' of bridges that still exist. */
1151 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1152 br->cfg = shash_find_data(&new_br, br->name);
1153 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1154 br->cfg->datapath_type))) {
1159 /* Add new bridges. */
1160 for (i = 0; i < cfg->n_bridges; i++) {
1161 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1162 struct bridge *br = bridge_lookup(br_cfg->name);
1164 bridge_create(br_cfg);
1168 shash_destroy(&new_br);
1172 iface_set_ofp_port(struct iface *iface, int ofp_port)
1174 struct bridge *br = iface->port->bridge;
1176 assert(iface->ofp_port < 0 && ofp_port >= 0);
1177 iface->ofp_port = ofp_port;
1178 hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
1179 iface_set_ofport(iface->cfg, ofp_port);
1182 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1183 * Returns 0 if successful, otherwise a positive errno value. */
1185 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1186 struct netdev *netdev)
1190 error = netdev_set_config(netdev, &iface_cfg->options);
1192 VLOG_WARN("could not configure network device %s (%s)",
1193 iface_cfg->name, strerror(error));
1198 /* This function determines whether 'ofproto_port', which is attached to
1199 * br->ofproto's datapath, is one that we want in 'br'.
1201 * If it is, it returns true, after creating an iface (if necessary),
1202 * configuring the iface's netdev according to the iface's options, and setting
1203 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1205 * If, on the other hand, 'port' should be removed, it returns false. The
1206 * caller should later detach the port from br->ofproto. */
1208 bridge_refresh_one_ofp_port(struct bridge *br,
1209 const struct ofproto_port *ofproto_port)
1211 const char *name = ofproto_port->name;
1212 const char *type = ofproto_port->type;
1213 uint16_t ofp_port = ofproto_port->ofp_port;
1215 struct iface *iface = iface_lookup(br, name);
1217 /* Check that the name-to-number mapping is one-to-one. */
1218 if (iface->ofp_port >= 0) {
1219 VLOG_WARN("bridge %s: interface %s reported twice",
1222 } else if (iface_from_ofp_port(br, ofp_port)) {
1223 VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
1224 br->name, ofp_port);
1228 /* There's a configured interface named 'name'. */
1229 if (strcmp(type, iface->type)
1230 || iface_set_netdev_config(iface->cfg, iface->netdev)) {
1231 /* It's the wrong type, or it's the right type but can't be
1232 * configured as the user requested, so we must destroy it. */
1235 /* It's the right type and configured correctly. keep it. */
1236 iface_set_ofp_port(iface, ofp_port);
1239 } else if (bridge_has_bond_fake_iface(br, name)
1240 && !strcmp(type, "internal")) {
1241 /* It's a bond fake iface. Keep it. */
1244 /* There's no configured interface named 'name', but there might be an
1245 * interface of that name queued to be created.
1247 * If there is, and it has the correct type, then try to configure it
1248 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1249 * delete it and later try to re-add it. */
1250 struct if_cfg *if_cfg = if_cfg_lookup(br, name);
1252 && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
1253 && iface_create(br, if_cfg, ofp_port));
1257 /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1258 * consistent with the ofp_ports in "br->ofproto". */
1260 bridge_refresh_ofp_port(struct bridge *br)
1262 struct ofproto_port_dump dump;
1263 struct ofproto_port ofproto_port;
1264 struct port *port, *port_next;
1266 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
1267 hmap_clear(&br->ifaces);
1268 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1269 struct iface *iface;
1271 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1272 iface->ofp_port = -1;
1276 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1277 * already exist in the datapath and promote them to full fledged "struct
1278 * iface"s. Mark ports in the datapath which don't belong as garbage. */
1279 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
1280 if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
1281 struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
1282 garbage->ofp_port = ofproto_port.ofp_port;
1283 list_push_front(&br->ofpp_garbage, &garbage->list_node);
1287 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1288 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1289 * later they can be added to ofproto. */
1290 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
1291 struct iface *iface, *iface_next;
1293 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
1294 if (iface->ofp_port < 0) {
1295 bridge_queue_if_cfg(br, iface->cfg, port->cfg);
1296 iface_destroy(iface);
1300 if (list_is_empty(&port->ifaces)) {
1306 /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
1307 * is negative, adds the network device to br->ofproto and stores the OpenFlow
1308 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1311 * If successful, returns 0 and stores the network device in '*netdevp'. On
1312 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1314 iface_do_create(const struct bridge *br,
1315 const struct if_cfg *if_cfg,
1316 int *ofp_portp, struct netdev **netdevp)
1318 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1319 const struct ovsrec_port *port_cfg = if_cfg->parent;
1320 struct netdev *netdev;
1323 error = netdev_open(iface_cfg->name,
1324 iface_get_type(iface_cfg, br->cfg), &netdev);
1326 VLOG_WARN("could not open network device %s (%s)",
1327 iface_cfg->name, strerror(error));
1331 error = iface_set_netdev_config(iface_cfg, netdev);
1336 if (*ofp_portp < 0) {
1337 uint16_t ofp_port = if_cfg->ofport;
1339 error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
1343 *ofp_portp = ofp_port;
1345 VLOG_INFO("bridge %s: added interface %s on port %d",
1346 br->name, iface_cfg->name, *ofp_portp);
1348 VLOG_DBG("bridge %s: interface %s is on port %d",
1349 br->name, iface_cfg->name, *ofp_portp);
1352 if ((port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter"))
1353 || iface_is_internal(iface_cfg, br->cfg)) {
1354 netdev_turn_flags_on(netdev, NETDEV_UP, true);
1362 netdev_close(netdev);
1366 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1367 * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
1368 * automatically allocated for the iface. Takes ownership of and
1369 * deallocates 'if_cfg'.
1371 * Return true if an iface is successfully created, false otherwise. */
1373 iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
1375 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1376 const struct ovsrec_port *port_cfg = if_cfg->parent;
1378 struct netdev *netdev;
1379 struct iface *iface;
1384 /* Do the bits that can fail up front.
1386 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1387 * internal datastructures may not be consistent. Eventually, when port
1388 * additions and deletions are cheaper, these calls should be removed. */
1390 assert(!iface_lookup(br, iface_cfg->name));
1391 error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
1394 iface_clear_db_record(iface_cfg);
1399 /* Get or create the port structure. */
1400 port = port_lookup(br, port_cfg->name);
1402 port = port_create(br, port_cfg);
1405 /* Create the iface structure. */
1406 iface = xzalloc(sizeof *iface);
1407 list_push_back(&port->ifaces, &iface->port_elem);
1408 hmap_insert(&br->iface_by_name, &iface->name_node,
1409 hash_string(iface_cfg->name, 0));
1411 iface->name = xstrdup(iface_cfg->name);
1412 iface->ofp_port = -1;
1413 iface->netdev = netdev;
1414 iface->type = iface_get_type(iface_cfg, br->cfg);
1415 iface->cfg = iface_cfg;
1417 iface_set_ofp_port(iface, ofp_port);
1419 /* Populate initial status in database. */
1420 iface_refresh_stats(iface);
1421 iface_refresh_status(iface);
1423 /* Add bond fake iface if necessary. */
1424 if (port_is_bond_fake_iface(port)) {
1425 struct ofproto_port ofproto_port;
1427 if (ofproto_port_query_by_name(br->ofproto, port->name,
1429 struct netdev *netdev;
1432 error = netdev_open(port->name, "internal", &netdev);
1434 uint16_t ofp_port = if_cfg->ofport;
1436 ofproto_port_add(br->ofproto, netdev, &ofp_port);
1437 netdev_close(netdev);
1439 VLOG_WARN("could not open network device %s (%s)",
1440 port->name, strerror(error));
1443 /* Already exists, nothing to do. */
1444 ofproto_port_destroy(&ofproto_port);
1449 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
1455 /* Set Flow eviction threshold */
1457 bridge_configure_flow_eviction_threshold(struct bridge *br)
1459 const char *threshold_str;
1462 threshold_str = smap_get(&br->cfg->other_config,
1463 "flow-eviction-threshold");
1464 if (threshold_str) {
1465 threshold = strtoul(threshold_str, NULL, 10);
1467 threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
1469 ofproto_set_flow_eviction_threshold(br->ofproto, threshold);
1472 /* Set forward BPDU option. */
1474 bridge_configure_forward_bpdu(struct bridge *br)
1476 ofproto_set_forward_bpdu(br->ofproto,
1477 smap_get_bool(&br->cfg->other_config,
1482 /* Set MAC aging time for 'br'. */
1484 bridge_configure_mac_idle_time(struct bridge *br)
1486 const char *idle_time_str;
1489 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1490 idle_time = (idle_time_str && atoi(idle_time_str)
1491 ? atoi(idle_time_str)
1492 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1493 ofproto_set_mac_idle_time(br->ofproto, idle_time);
1497 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1498 struct iface **hw_addr_iface)
1500 struct hmapx mirror_output_ports;
1503 bool found_addr = false;
1507 *hw_addr_iface = NULL;
1509 /* Did the user request a particular MAC? */
1510 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
1511 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
1512 if (eth_addr_is_multicast(ea)) {
1513 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1514 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1515 } else if (eth_addr_is_zero(ea)) {
1516 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
1522 /* Mirror output ports don't participate in picking the local hardware
1523 * address. ofproto can't help us find out whether a given port is a
1524 * mirror output because we haven't configured mirrors yet, so we need to
1525 * accumulate them ourselves. */
1526 hmapx_init(&mirror_output_ports);
1527 for (i = 0; i < br->cfg->n_mirrors; i++) {
1528 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1529 if (m->output_port) {
1530 hmapx_add(&mirror_output_ports, m->output_port);
1534 /* Otherwise choose the minimum non-local MAC address among all of the
1536 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1537 uint8_t iface_ea[ETH_ADDR_LEN];
1538 struct iface *candidate;
1539 struct iface *iface;
1541 /* Mirror output ports don't participate. */
1542 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1546 /* Choose the MAC address to represent the port. */
1548 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
1549 /* Find the interface with this Ethernet address (if any) so that
1550 * we can provide the correct devname to the caller. */
1551 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1552 uint8_t candidate_ea[ETH_ADDR_LEN];
1553 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
1554 && eth_addr_equals(iface_ea, candidate_ea)) {
1559 /* Choose the interface whose MAC address will represent the port.
1560 * The Linux kernel bonding code always chooses the MAC address of
1561 * the first slave added to a bond, and the Fedora networking
1562 * scripts always add slaves to a bond in alphabetical order, so
1563 * for compatibility we choose the interface with the name that is
1564 * first in alphabetical order. */
1565 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1566 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1571 /* The local port doesn't count (since we're trying to choose its
1572 * MAC address anyway). */
1573 if (iface->ofp_port == OFPP_LOCAL) {
1578 error = netdev_get_etheraddr(iface->netdev, iface_ea);
1584 /* Compare against our current choice. */
1585 if (!eth_addr_is_multicast(iface_ea) &&
1586 !eth_addr_is_local(iface_ea) &&
1587 !eth_addr_is_reserved(iface_ea) &&
1588 !eth_addr_is_zero(iface_ea) &&
1589 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
1591 memcpy(ea, iface_ea, ETH_ADDR_LEN);
1592 *hw_addr_iface = iface;
1597 VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT,
1598 br->name, ETH_ADDR_ARGS(ea));
1600 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 10);
1601 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1602 *hw_addr_iface = NULL;
1603 VLOG_WARN_RL(&rl, "bridge %s: using default bridge Ethernet "
1604 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1607 hmapx_destroy(&mirror_output_ports);
1610 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1611 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1612 * an interface on 'br', then that interface must be passed in as
1613 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1614 * 'hw_addr_iface' must be passed in as a null pointer. */
1616 bridge_pick_datapath_id(struct bridge *br,
1617 const uint8_t bridge_ea[ETH_ADDR_LEN],
1618 struct iface *hw_addr_iface)
1621 * The procedure for choosing a bridge MAC address will, in the most
1622 * ordinary case, also choose a unique MAC that we can use as a datapath
1623 * ID. In some special cases, though, multiple bridges will end up with
1624 * the same MAC address. This is OK for the bridges, but it will confuse
1625 * the OpenFlow controller, because each datapath needs a unique datapath
1628 * Datapath IDs must be unique. It is also very desirable that they be
1629 * stable from one run to the next, so that policy set on a datapath
1632 const char *datapath_id;
1635 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
1636 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
1640 if (!hw_addr_iface) {
1642 * A purely internal bridge, that is, one that has no non-virtual
1643 * network devices on it at all, is difficult because it has no
1644 * natural unique identifier at all.
1646 * When the host is a XenServer, we handle this case by hashing the
1647 * host's UUID with the name of the bridge. Names of bridges are
1648 * persistent across XenServer reboots, although they can be reused if
1649 * an internal network is destroyed and then a new one is later
1650 * created, so this is fairly effective.
1652 * When the host is not a XenServer, we punt by using a random MAC
1653 * address on each run.
1655 const char *host_uuid = xenserver_get_host_uuid();
1657 char *combined = xasprintf("%s,%s", host_uuid, br->name);
1658 dpid = dpid_from_hash(combined, strlen(combined));
1664 return eth_addr_to_uint64(bridge_ea);
1668 dpid_from_hash(const void *data, size_t n)
1670 uint8_t hash[SHA1_DIGEST_SIZE];
1672 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
1673 sha1_bytes(data, n, hash);
1674 eth_addr_mark_random(hash);
1675 return eth_addr_to_uint64(hash);
1679 iface_refresh_status(struct iface *iface)
1683 enum netdev_features current;
1689 if (iface_is_synthetic(iface)) {
1695 if (!netdev_get_drv_info(iface->netdev, &smap)) {
1696 ovsrec_interface_set_status(iface->cfg, &smap);
1698 ovsrec_interface_set_status(iface->cfg, NULL);
1701 smap_destroy(&smap);
1703 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1704 bps = !error ? netdev_features_to_bps(current, 0) : 0;
1706 ovsrec_interface_set_duplex(iface->cfg,
1707 netdev_features_is_full_duplex(current)
1709 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
1712 ovsrec_interface_set_duplex(iface->cfg, NULL);
1713 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
1716 error = netdev_get_mtu(iface->netdev, &mtu);
1719 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
1722 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
1726 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1729 iface_refresh_cfm_stats(struct iface *iface)
1731 const struct ovsrec_interface *cfg = iface->cfg;
1732 int fault, opup, error;
1733 const uint64_t *rmps;
1737 fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
1740 const char *reasons[CFM_FAULT_N_REASONS];
1741 bool fault_bool = fault;
1745 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1746 int reason = 1 << i;
1747 if (fault & reason) {
1748 reasons[j++] = cfm_fault_reason_to_str(reason);
1752 ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
1753 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1755 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1756 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1759 opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto,
1762 ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down");
1764 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1767 error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
1768 iface->ofp_port, &rmps, &n_rmps);
1770 ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps,
1773 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1776 health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
1779 int64_t cfm_health = health;
1780 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1782 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1787 iface_refresh_stats(struct iface *iface)
1789 #define IFACE_STATS \
1790 IFACE_STAT(rx_packets, "rx_packets") \
1791 IFACE_STAT(tx_packets, "tx_packets") \
1792 IFACE_STAT(rx_bytes, "rx_bytes") \
1793 IFACE_STAT(tx_bytes, "tx_bytes") \
1794 IFACE_STAT(rx_dropped, "rx_dropped") \
1795 IFACE_STAT(tx_dropped, "tx_dropped") \
1796 IFACE_STAT(rx_errors, "rx_errors") \
1797 IFACE_STAT(tx_errors, "tx_errors") \
1798 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1799 IFACE_STAT(rx_over_errors, "rx_over_err") \
1800 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1801 IFACE_STAT(collisions, "collisions")
1803 #define IFACE_STAT(MEMBER, NAME) NAME,
1804 static char *keys[] = { IFACE_STATS };
1806 int64_t values[ARRAY_SIZE(keys)];
1809 struct netdev_stats stats;
1811 if (iface_is_synthetic(iface)) {
1815 /* Intentionally ignore return value, since errors will set 'stats' to
1816 * all-1s, and we will deal with that correctly below. */
1817 netdev_get_stats(iface->netdev, &stats);
1819 /* Copy statistics into values[] array. */
1821 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1824 assert(i == ARRAY_SIZE(keys));
1826 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1832 br_refresh_stp_status(struct bridge *br)
1834 struct smap smap = SMAP_INITIALIZER(&smap);
1835 struct ofproto *ofproto = br->ofproto;
1836 struct ofproto_stp_status status;
1838 if (ofproto_get_stp_status(ofproto, &status)) {
1842 if (!status.enabled) {
1843 ovsrec_bridge_set_status(br->cfg, NULL);
1847 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1848 STP_ID_ARGS(status.bridge_id));
1849 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1850 STP_ID_ARGS(status.designated_root));
1851 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
1853 ovsrec_bridge_set_status(br->cfg, &smap);
1854 smap_destroy(&smap);
1858 port_refresh_stp_status(struct port *port)
1860 struct ofproto *ofproto = port->bridge->ofproto;
1861 struct iface *iface;
1862 struct ofproto_port_stp_status status;
1864 int64_t int_values[3];
1867 if (port_is_synthetic(port)) {
1871 /* STP doesn't currently support bonds. */
1872 if (!list_is_singleton(&port->ifaces)) {
1873 ovsrec_port_set_status(port->cfg, NULL);
1877 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1879 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1883 if (!status.enabled) {
1884 ovsrec_port_set_status(port->cfg, NULL);
1885 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
1889 /* Set Status column. */
1891 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1892 smap_add(&smap, "stp_state", stp_state_name(status.state));
1893 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1894 smap_add(&smap, "stp_role", stp_role_name(status.role));
1895 ovsrec_port_set_status(port->cfg, &smap);
1896 smap_destroy(&smap);
1898 /* Set Statistics column. */
1899 keys[0] = "stp_tx_count";
1900 int_values[0] = status.tx_count;
1901 keys[1] = "stp_rx_count";
1902 int_values[1] = status.rx_count;
1903 keys[2] = "stp_error_count";
1904 int_values[2] = status.error_count;
1906 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1907 ARRAY_SIZE(int_values));
1911 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1913 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
1917 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
1919 bool enable = enable_system_stats(cfg);
1921 system_stats_enable(enable);
1923 ovsrec_open_vswitch_set_statistics(cfg, NULL);
1928 run_system_stats(void)
1930 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1933 stats = system_stats_run();
1935 struct ovsdb_idl_txn *txn;
1936 struct ovsdb_datum datum;
1938 txn = ovsdb_idl_txn_create(idl);
1939 ovsdb_datum_from_smap(&datum, stats);
1940 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1942 ovsdb_idl_txn_commit(txn);
1943 ovsdb_idl_txn_destroy(txn);
1949 static inline const char *
1950 nx_role_to_str(enum nx_role role)
1955 case NX_ROLE_MASTER:
1960 return "*** INVALID ROLE ***";
1965 refresh_controller_status(void)
1969 const struct ovsrec_controller *cfg;
1973 /* Accumulate status for controllers on all bridges. */
1974 HMAP_FOR_EACH (br, node, &all_bridges) {
1975 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1978 /* Update each controller in the database with current status. */
1979 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
1980 struct ofproto_controller_info *cinfo =
1981 shash_find_data(&info, cfg->target);
1984 struct smap smap = SMAP_INITIALIZER(&smap);
1985 const char **values = cinfo->pairs.values;
1986 const char **keys = cinfo->pairs.keys;
1989 for (i = 0; i < cinfo->pairs.n; i++) {
1990 smap_add(&smap, keys[i], values[i]);
1993 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
1994 ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
1995 ovsrec_controller_set_status(cfg, &smap);
1996 smap_destroy(&smap);
1998 ovsrec_controller_set_is_connected(cfg, false);
1999 ovsrec_controller_set_role(cfg, NULL);
2000 ovsrec_controller_set_status(cfg, NULL);
2004 ofproto_free_ofproto_controller_info(&info);
2008 refresh_instant_stats(void)
2010 static struct ovsdb_idl_txn *txn = NULL;
2015 txn = ovsdb_idl_txn_create(idl);
2017 HMAP_FOR_EACH (br, node, &all_bridges) {
2018 struct iface *iface;
2021 br_refresh_stp_status(br);
2023 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2024 port_refresh_stp_status(port);
2027 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
2028 enum netdev_flags flags;
2029 const char *link_state;
2030 int64_t link_resets;
2033 if (iface_is_synthetic(iface)) {
2037 current = ofproto_port_is_lacp_current(br->ofproto,
2041 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2043 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2046 error = netdev_get_flags(iface->netdev, &flags);
2048 const char *state = flags & NETDEV_UP ? "up" : "down";
2049 ovsrec_interface_set_admin_state(iface->cfg, state);
2051 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2054 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2055 ovsrec_interface_set_link_state(iface->cfg, link_state);
2057 link_resets = netdev_get_carrier_resets(iface->netdev);
2058 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2060 iface_refresh_cfm_stats(iface);
2065 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2066 ovsdb_idl_txn_destroy(txn);
2071 /* Performs periodic activity required by bridges that needs to be done with
2072 * the least possible latency.
2074 * It makes sense to call this function a couple of times per poll loop, to
2075 * provide a significant performance boost on some benchmarks with ofprotos
2076 * that use the ofproto-dpif implementation. */
2078 bridge_run_fast(void)
2085 ofproto_enumerate_types(&types);
2086 SSET_FOR_EACH (type, &types) {
2087 ofproto_type_run_fast(type);
2089 sset_destroy(&types);
2091 HMAP_FOR_EACH (br, node, &all_bridges) {
2092 ofproto_run_fast(br->ofproto);
2099 static const struct ovsrec_open_vswitch null_cfg;
2100 const struct ovsrec_open_vswitch *cfg;
2101 struct ovsdb_idl_txn *reconf_txn = NULL;
2105 bool vlan_splinters_changed;
2108 ovsrec_open_vswitch_init((struct ovsrec_open_vswitch *) &null_cfg);
2110 /* (Re)configure if necessary. */
2111 if (!reconfiguring) {
2114 if (ovsdb_idl_is_lock_contended(idl)) {
2115 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2116 struct bridge *br, *next_br;
2118 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2119 "disabling this process until it goes away");
2121 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2125 } else if (!ovsdb_idl_has_lock(idl)) {
2129 cfg = ovsrec_open_vswitch_first(idl);
2131 /* Initialize the ofproto library. This only needs to run once, but
2132 * it must be done after the configuration is set. If the
2133 * initialization has already occurred, bridge_init_ofproto()
2134 * returns immediately. */
2135 bridge_init_ofproto(cfg);
2137 /* Let each datapath type do the work that it needs to do. */
2139 ofproto_enumerate_types(&types);
2140 SSET_FOR_EACH (type, &types) {
2141 ofproto_type_run(type);
2143 sset_destroy(&types);
2145 /* Let each bridge do the work that it needs to do. */
2146 HMAP_FOR_EACH (br, node, &all_bridges) {
2147 ofproto_run(br->ofproto);
2150 /* Re-configure SSL. We do this on every trip through the main loop,
2151 * instead of just when the database changes, because the contents of the
2152 * key and certificate files can change without the database changing.
2154 * We do this before bridge_reconfigure() because that function might
2155 * initiate SSL connections and thus requires SSL to be configured. */
2156 if (cfg && cfg->ssl) {
2157 const struct ovsrec_ssl *ssl = cfg->ssl;
2159 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2160 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2163 if (!reconfiguring) {
2164 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2165 * usage has changed. */
2166 vlan_splinters_changed = false;
2167 if (vlan_splinters_enabled_anywhere) {
2168 HMAP_FOR_EACH (br, node, &all_bridges) {
2169 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2170 vlan_splinters_changed = true;
2176 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2177 idl_seqno = ovsdb_idl_get_seqno(idl);
2179 reconf_txn = ovsdb_idl_txn_create(idl);
2180 bridge_reconfigure(cfg);
2182 /* We still need to reconfigure to avoid dangling pointers to
2183 * now-destroyed ovsrec structures inside bridge data. */
2184 bridge_reconfigure(&null_cfg);
2189 if (reconfiguring) {
2192 reconf_txn = ovsdb_idl_txn_create(idl);
2194 if (bridge_reconfigure_continue(cfg)) {
2195 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2198 bridge_reconfigure_continue(&null_cfg);
2203 ovsdb_idl_txn_commit(reconf_txn);
2204 ovsdb_idl_txn_destroy(reconf_txn);
2208 /* Refresh interface and mirror stats if necessary. */
2209 if (time_msec() >= iface_stats_timer) {
2211 struct ovsdb_idl_txn *txn;
2213 txn = ovsdb_idl_txn_create(idl);
2214 HMAP_FOR_EACH (br, node, &all_bridges) {
2218 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2219 struct iface *iface;
2221 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2222 iface_refresh_stats(iface);
2223 iface_refresh_status(iface);
2227 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2228 mirror_refresh_stats(m);
2232 refresh_controller_status();
2233 ovsdb_idl_txn_commit(txn);
2234 ovsdb_idl_txn_destroy(txn); /* XXX */
2237 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
2241 refresh_instant_stats();
2250 ovsdb_idl_wait(idl);
2252 if (reconfiguring) {
2253 poll_immediate_wake();
2257 ofproto_enumerate_types(&types);
2258 SSET_FOR_EACH (type, &types) {
2259 ofproto_type_wait(type);
2261 sset_destroy(&types);
2263 if (!hmap_is_empty(&all_bridges)) {
2266 HMAP_FOR_EACH (br, node, &all_bridges) {
2267 ofproto_wait(br->ofproto);
2269 poll_timer_wait_until(iface_stats_timer);
2272 system_stats_wait();
2275 /* Adds some memory usage statistics for bridges into 'usage', for use with
2276 * memory_report(). */
2278 bridge_get_memory_usage(struct simap *usage)
2282 HMAP_FOR_EACH (br, node, &all_bridges) {
2283 ofproto_get_memory_usage(br->ofproto, usage);
2287 /* QoS unixctl user interface functions. */
2289 struct qos_unixctl_show_cbdata {
2291 struct iface *iface;
2295 qos_unixctl_show_cb(unsigned int queue_id,
2296 const struct smap *details,
2299 struct qos_unixctl_show_cbdata *data = aux;
2300 struct ds *ds = data->ds;
2301 struct iface *iface = data->iface;
2302 struct netdev_queue_stats stats;
2303 struct smap_node *node;
2306 ds_put_cstr(ds, "\n");
2308 ds_put_format(ds, "Queue %u:\n", queue_id);
2310 ds_put_cstr(ds, "Default:\n");
2313 SMAP_FOR_EACH (node, details) {
2314 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2317 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2319 if (stats.tx_packets != UINT64_MAX) {
2320 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2323 if (stats.tx_bytes != UINT64_MAX) {
2324 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2327 if (stats.tx_errors != UINT64_MAX) {
2328 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2331 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2332 queue_id, strerror(error));
2337 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2338 const char *argv[], void *aux OVS_UNUSED)
2340 struct ds ds = DS_EMPTY_INITIALIZER;
2341 struct smap smap = SMAP_INITIALIZER(&smap);
2342 struct iface *iface;
2344 struct smap_node *node;
2345 struct qos_unixctl_show_cbdata data;
2348 iface = iface_find(argv[1]);
2350 unixctl_command_reply_error(conn, "no such interface");
2354 netdev_get_qos(iface->netdev, &type, &smap);
2356 if (*type != '\0') {
2357 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2359 SMAP_FOR_EACH (node, &smap) {
2360 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2365 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2368 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2370 unixctl_command_reply(conn, ds_cstr(&ds));
2372 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2373 unixctl_command_reply_error(conn, ds_cstr(&ds));
2376 smap_destroy(&smap);
2380 /* Bridge reconfiguration functions. */
2382 bridge_create(const struct ovsrec_bridge *br_cfg)
2386 assert(!bridge_lookup(br_cfg->name));
2387 br = xzalloc(sizeof *br);
2389 br->name = xstrdup(br_cfg->name);
2390 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2393 /* Derive the default Ethernet address from the bridge's UUID. This should
2394 * be unique and it will be stable between ovs-vswitchd runs. */
2395 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2396 eth_addr_mark_random(br->default_ea);
2398 hmap_init(&br->ports);
2399 hmap_init(&br->ifaces);
2400 hmap_init(&br->iface_by_name);
2401 hmap_init(&br->mirrors);
2403 hmap_init(&br->if_cfg_todo);
2404 list_init(&br->ofpp_garbage);
2406 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
2410 bridge_destroy(struct bridge *br)
2413 struct mirror *mirror, *next_mirror;
2414 struct port *port, *next_port;
2415 struct if_cfg *if_cfg, *next_if_cfg;
2416 struct ofpp_garbage *garbage, *next_garbage;
2418 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
2421 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2422 mirror_destroy(mirror);
2424 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2425 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2428 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2429 &br->ofpp_garbage) {
2430 list_remove(&garbage->list_node);
2434 hmap_remove(&all_bridges, &br->node);
2435 ofproto_destroy(br->ofproto);
2436 hmap_destroy(&br->ifaces);
2437 hmap_destroy(&br->ports);
2438 hmap_destroy(&br->iface_by_name);
2439 hmap_destroy(&br->mirrors);
2440 hmap_destroy(&br->if_cfg_todo);
2447 static struct bridge *
2448 bridge_lookup(const char *name)
2452 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
2453 if (!strcmp(br->name, name)) {
2460 /* Handle requests for a listing of all flows known by the OpenFlow
2461 * stack, including those normally hidden. */
2463 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2464 const char *argv[], void *aux OVS_UNUSED)
2469 br = bridge_lookup(argv[1]);
2471 unixctl_command_reply_error(conn, "Unknown bridge");
2476 ofproto_get_all_flows(br->ofproto, &results);
2478 unixctl_command_reply(conn, ds_cstr(&results));
2479 ds_destroy(&results);
2482 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2483 * connections and reconnect. If BRIDGE is not specified, then all bridges
2484 * drop their controller connections and reconnect. */
2486 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2487 const char *argv[], void *aux OVS_UNUSED)
2491 br = bridge_lookup(argv[1]);
2493 unixctl_command_reply_error(conn, "Unknown bridge");
2496 ofproto_reconnect_controllers(br->ofproto);
2498 HMAP_FOR_EACH (br, node, &all_bridges) {
2499 ofproto_reconnect_controllers(br->ofproto);
2502 unixctl_command_reply(conn, NULL);
2506 bridge_get_controllers(const struct bridge *br,
2507 struct ovsrec_controller ***controllersp)
2509 struct ovsrec_controller **controllers;
2510 size_t n_controllers;
2512 controllers = br->cfg->controller;
2513 n_controllers = br->cfg->n_controller;
2515 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2521 *controllersp = controllers;
2523 return n_controllers;
2527 bridge_queue_if_cfg(struct bridge *br,
2528 const struct ovsrec_interface *cfg,
2529 const struct ovsrec_port *parent)
2531 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2534 if_cfg->parent = parent;
2535 if_cfg->ofport = cfg->n_ofport_request ? *cfg->ofport_request : OFPP_NONE;
2536 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2537 hash_string(if_cfg->cfg->name, 0));
2540 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2541 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2542 * 'br' needs to complete its configuration. */
2544 bridge_add_del_ports(struct bridge *br,
2545 const unsigned long int *splinter_vlans)
2547 struct shash_node *port_node;
2548 struct port *port, *next;
2549 struct shash new_ports;
2552 assert(hmap_is_empty(&br->if_cfg_todo));
2554 /* Collect new ports. */
2555 shash_init(&new_ports);
2556 for (i = 0; i < br->cfg->n_ports; i++) {
2557 const char *name = br->cfg->ports[i]->name;
2558 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2559 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2563 if (bridge_get_controllers(br, NULL)
2564 && !shash_find(&new_ports, br->name)) {
2565 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2566 br->name, br->name);
2568 ovsrec_interface_init(&br->synth_local_iface);
2569 ovsrec_port_init(&br->synth_local_port);
2571 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2572 br->synth_local_port.n_interfaces = 1;
2573 br->synth_local_port.name = br->name;
2575 br->synth_local_iface.name = br->name;
2576 br->synth_local_iface.type = "internal";
2578 br->synth_local_ifacep = &br->synth_local_iface;
2580 shash_add(&new_ports, br->name, &br->synth_local_port);
2583 if (splinter_vlans) {
2584 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2587 /* Get rid of deleted ports.
2588 * Get rid of deleted interfaces on ports that still exist. */
2589 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
2590 port->cfg = shash_find_data(&new_ports, port->name);
2594 port_del_ifaces(port);
2598 /* Update iface->cfg and iface->type in interfaces that still exist.
2599 * Add new interfaces to creation queue. */
2600 SHASH_FOR_EACH (port_node, &new_ports) {
2601 const struct ovsrec_port *port = port_node->data;
2604 for (i = 0; i < port->n_interfaces; i++) {
2605 const struct ovsrec_interface *cfg = port->interfaces[i];
2606 struct iface *iface = iface_lookup(br, cfg->name);
2607 const char *type = iface_get_type(cfg, br->cfg);
2612 } else if (!strcmp(type, "null")) {
2613 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2614 " may be removed in February 2013. Please email"
2615 " dev@openvswitch.org with concerns.",
2618 bridge_queue_if_cfg(br, cfg, port);
2623 shash_destroy(&new_ports);
2626 /* Initializes 'oc' appropriately as a management service controller for
2629 * The caller must free oc->target when it is no longer needed. */
2631 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2632 struct ofproto_controller *oc)
2634 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
2635 oc->max_backoff = 0;
2636 oc->probe_interval = 60;
2637 oc->band = OFPROTO_OUT_OF_BAND;
2639 oc->burst_limit = 0;
2640 oc->enable_async_msgs = true;
2643 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2645 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2646 struct ofproto_controller *oc)
2650 oc->target = c->target;
2651 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2652 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2653 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2654 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
2655 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2656 oc->burst_limit = (c->controller_burst_limit
2657 ? *c->controller_burst_limit : 0);
2658 oc->enable_async_msgs = (!c->enable_async_messages
2659 || *c->enable_async_messages);
2660 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2661 if (dscp < 0 || dscp > 63) {
2662 dscp = DSCP_DEFAULT;
2667 /* Configures the IP stack for 'br''s local interface properly according to the
2668 * configuration in 'c'. */
2670 bridge_configure_local_iface_netdev(struct bridge *br,
2671 struct ovsrec_controller *c)
2673 struct netdev *netdev;
2674 struct in_addr mask, gateway;
2676 struct iface *local_iface;
2679 /* If there's no local interface or no IP address, give up. */
2680 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
2681 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2685 /* Bring up the local interface. */
2686 netdev = local_iface->netdev;
2687 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2689 /* Configure the IP address and netmask. */
2690 if (!c->local_netmask
2691 || !inet_aton(c->local_netmask, &mask)
2693 mask.s_addr = guess_netmask(ip.s_addr);
2695 if (!netdev_set_in4(netdev, ip, mask)) {
2696 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
2697 br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr));
2700 /* Configure the default gateway. */
2701 if (c->local_gateway
2702 && inet_aton(c->local_gateway, &gateway)
2703 && gateway.s_addr) {
2704 if (!netdev_add_router(netdev, gateway)) {
2705 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
2706 br->name, IP_ARGS(&gateway.s_addr));
2711 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2712 * in either string are treated as equal to any number of slashes in the other,
2713 * e.g. "x///y" is equal to "x/y". */
2715 equal_pathnames(const char *a, const char *b)
2719 a += strspn(a, "/");
2720 b += strspn(b, "/");
2721 } else if (*a == '\0') {
2732 bridge_configure_remotes(struct bridge *br,
2733 const struct sockaddr_in *managers, size_t n_managers)
2735 bool disable_in_band;
2737 struct ovsrec_controller **controllers;
2738 size_t n_controllers;
2740 enum ofproto_fail_mode fail_mode;
2742 struct ofproto_controller *ocs;
2746 /* Check if we should disable in-band control on this bridge. */
2747 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2750 /* Set OpenFlow queue ID for in-band control. */
2751 ofproto_set_in_band_queue(br->ofproto,
2752 smap_get_int(&br->cfg->other_config,
2753 "in-band-queue", -1));
2755 if (disable_in_band) {
2756 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2758 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2761 n_controllers = bridge_get_controllers(br, &controllers);
2763 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2766 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2767 for (i = 0; i < n_controllers; i++) {
2768 struct ovsrec_controller *c = controllers[i];
2770 if (!strncmp(c->target, "punix:", 6)
2771 || !strncmp(c->target, "unix:", 5)) {
2772 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2775 whitelist = xasprintf("unix:%s/%s.controller",
2776 ovs_rundir(), br->name);
2777 if (!equal_pathnames(c->target, whitelist)) {
2778 /* Prevent remote ovsdb-server users from accessing arbitrary
2779 * Unix domain sockets and overwriting arbitrary local
2781 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2782 "controller \"%s\" due to possibility for remote "
2783 "exploit. Instead, specify whitelisted \"%s\" or "
2784 "connect to \"unix:%s/%s.mgmt\" (which is always "
2785 "available without special configuration).",
2786 br->name, c->target, whitelist,
2787 ovs_rundir(), br->name);
2795 bridge_configure_local_iface_netdev(br, c);
2796 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2797 if (disable_in_band) {
2798 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
2803 ofproto_set_controllers(br->ofproto, ocs, n_ocs, 0);
2804 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2807 /* Set the fail-mode. */
2808 fail_mode = !br->cfg->fail_mode
2809 || !strcmp(br->cfg->fail_mode, "standalone")
2810 ? OFPROTO_FAIL_STANDALONE
2811 : OFPROTO_FAIL_SECURE;
2812 ofproto_set_fail_mode(br->ofproto, fail_mode);
2814 /* Configure OpenFlow controller connection snooping. */
2815 if (!ofproto_has_snoops(br->ofproto)) {
2819 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2820 ovs_rundir(), br->name));
2821 ofproto_set_snoops(br->ofproto, &snoops);
2822 sset_destroy(&snoops);
2827 bridge_configure_tables(struct bridge *br)
2829 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2833 n_tables = ofproto_get_n_tables(br->ofproto);
2835 for (i = 0; i < n_tables; i++) {
2836 struct ofproto_table_settings s;
2839 s.max_flows = UINT_MAX;
2843 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2844 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2847 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2848 s.max_flows = *cfg->flow_limit;
2850 if (cfg->overflow_policy
2851 && !strcmp(cfg->overflow_policy, "evict")) {
2854 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2855 for (k = 0; k < cfg->n_groups; k++) {
2856 const char *string = cfg->groups[k];
2859 msg = mf_parse_subfield__(&s.groups[k], &string);
2861 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2862 "'groups' (%s)", br->name, i, msg);
2864 } else if (*string) {
2865 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2866 "element '%s' contains trailing garbage",
2867 br->name, i, cfg->groups[k]);
2875 ofproto_configure_table(br->ofproto, i, &s);
2879 for (; j < br->cfg->n_flow_tables; j++) {
2880 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2881 "%"PRId64" not supported by this datapath", br->name,
2882 br->cfg->key_flow_tables[j]);
2886 /* Port functions. */
2888 static struct port *
2889 port_create(struct bridge *br, const struct ovsrec_port *cfg)
2893 port = xzalloc(sizeof *port);
2895 port->name = xstrdup(cfg->name);
2897 list_init(&port->ifaces);
2899 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
2903 /* Deletes interfaces from 'port' that are no longer configured for it. */
2905 port_del_ifaces(struct port *port)
2907 struct iface *iface, *next;
2908 struct sset new_ifaces;
2911 /* Collect list of new interfaces. */
2912 sset_init(&new_ifaces);
2913 for (i = 0; i < port->cfg->n_interfaces; i++) {
2914 const char *name = port->cfg->interfaces[i]->name;
2915 const char *type = port->cfg->interfaces[i]->type;
2916 if (strcmp(type, "null")) {
2917 sset_add(&new_ifaces, name);
2921 /* Get rid of deleted interfaces. */
2922 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2923 if (!sset_contains(&new_ifaces, iface->name)) {
2924 iface_destroy(iface);
2928 sset_destroy(&new_ifaces);
2932 port_destroy(struct port *port)
2935 struct bridge *br = port->bridge;
2936 struct iface *iface, *next;
2939 ofproto_bundle_unregister(br->ofproto, port);
2942 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2943 iface_destroy(iface);
2946 hmap_remove(&br->ports, &port->hmap_node);
2952 static struct port *
2953 port_lookup(const struct bridge *br, const char *name)
2957 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
2959 if (!strcmp(port->name, name)) {
2967 enable_lacp(struct port *port, bool *activep)
2969 if (!port->cfg->lacp) {
2970 /* XXX when LACP implementation has been sufficiently tested, enable by
2971 * default and make active on bonded ports. */
2973 } else if (!strcmp(port->cfg->lacp, "off")) {
2975 } else if (!strcmp(port->cfg->lacp, "active")) {
2978 } else if (!strcmp(port->cfg->lacp, "passive")) {
2982 VLOG_WARN("port %s: unknown LACP mode %s",
2983 port->name, port->cfg->lacp);
2988 static struct lacp_settings *
2989 port_configure_lacp(struct port *port, struct lacp_settings *s)
2991 const char *lacp_time, *system_id;
2994 if (!enable_lacp(port, &s->active)) {
2998 s->name = port->name;
3000 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
3002 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3003 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3004 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3005 " address.", port->name, system_id);
3009 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3012 if (eth_addr_is_zero(s->id)) {
3013 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3017 /* Prefer bondable links if unspecified. */
3018 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3020 s->priority = (priority > 0 && priority <= UINT16_MAX
3022 : UINT16_MAX - !list_is_short(&port->ifaces));
3024 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3025 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3030 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3032 int priority, portid, key;
3034 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3035 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3037 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3039 if (portid <= 0 || portid > UINT16_MAX) {
3040 portid = iface->ofp_port;
3043 if (priority <= 0 || priority > UINT16_MAX) {
3044 priority = UINT16_MAX;
3047 if (key < 0 || key > UINT16_MAX) {
3051 s->name = iface->name;
3053 s->priority = priority;
3058 port_configure_bond(struct port *port, struct bond_settings *s,
3059 uint32_t *bond_stable_ids)
3061 const char *detect_s;
3062 struct iface *iface;
3063 int miimon_interval;
3066 s->name = port->name;
3068 if (port->cfg->bond_mode) {
3069 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3070 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3071 port->name, port->cfg->bond_mode,
3072 bond_mode_to_string(s->balance));
3075 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3077 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3078 * active-backup. At some point we should remove this warning. */
3079 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3080 " in previous versions, the default bond_mode was"
3081 " balance-slb", port->name,
3082 bond_mode_to_string(s->balance));
3084 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3085 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3086 "please use another bond type or disable flood_vlans",
3090 miimon_interval = smap_get_int(&port->cfg->other_config,
3091 "bond-miimon-interval", 0);
3092 if (miimon_interval <= 0) {
3093 miimon_interval = 200;
3096 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3097 if (!detect_s || !strcmp(detect_s, "carrier")) {
3098 miimon_interval = 0;
3099 } else if (strcmp(detect_s, "miimon")) {
3100 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3101 "defaulting to carrier", port->name, detect_s);
3102 miimon_interval = 0;
3105 s->up_delay = MAX(0, port->cfg->bond_updelay);
3106 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3107 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3108 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3109 "bond-rebalance-interval", 10000);
3110 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3111 s->rebalance_interval = 1000;
3114 s->fake_iface = port->cfg->bond_fake_iface;
3117 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3118 long long stable_id;
3120 stable_id = smap_get_int(&iface->cfg->other_config, "bond-stable-id",
3122 if (stable_id <= 0 || stable_id >= UINT32_MAX) {
3123 stable_id = iface->ofp_port;
3125 bond_stable_ids[i++] = stable_id;
3127 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3131 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3132 * instead of obtaining it from the database. */
3134 port_is_synthetic(const struct port *port)
3136 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3139 /* Interface functions. */
3142 iface_is_internal(const struct ovsrec_interface *iface,
3143 const struct ovsrec_bridge *br)
3145 /* The local port and "internal" ports are always "internal". */
3146 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
3149 /* Returns the correct network device type for interface 'iface' in bridge
3152 iface_get_type(const struct ovsrec_interface *iface,
3153 const struct ovsrec_bridge *br)
3157 /* The local port always has type "internal". Other ports take
3158 * their type from the database and default to "system" if none is
3160 if (iface_is_internal(iface, br)) {
3163 type = iface->type[0] ? iface->type : "system";
3166 return ofproto_port_open_type(br->datapath_type, type);
3170 iface_destroy(struct iface *iface)
3173 struct port *port = iface->port;
3174 struct bridge *br = port->bridge;
3176 if (br->ofproto && iface->ofp_port >= 0) {
3177 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3180 if (iface->ofp_port >= 0) {
3181 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3184 list_remove(&iface->port_elem);
3185 hmap_remove(&br->iface_by_name, &iface->name_node);
3187 netdev_close(iface->netdev);
3194 static struct iface *
3195 iface_lookup(const struct bridge *br, const char *name)
3197 struct iface *iface;
3199 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3200 &br->iface_by_name) {
3201 if (!strcmp(iface->name, name)) {
3209 static struct iface *
3210 iface_find(const char *name)
3212 const struct bridge *br;
3214 HMAP_FOR_EACH (br, node, &all_bridges) {
3215 struct iface *iface = iface_lookup(br, name);
3224 static struct if_cfg *
3225 if_cfg_lookup(const struct bridge *br, const char *name)
3227 struct if_cfg *if_cfg;
3229 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3231 if (!strcmp(if_cfg->cfg->name, name)) {
3239 static struct iface *
3240 iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
3242 struct iface *iface;
3244 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3245 hash_int(ofp_port, 0), &br->ifaces) {
3246 if (iface->ofp_port == ofp_port) {
3253 /* Set Ethernet address of 'iface', if one is specified in the configuration
3256 iface_set_mac(struct iface *iface)
3258 uint8_t ea[ETH_ADDR_LEN];
3260 if (!strcmp(iface->type, "internal")
3261 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3262 if (iface->ofp_port == OFPP_LOCAL) {
3263 VLOG_ERR("interface %s: ignoring mac in Interface record "
3264 "(use Bridge record to set local port's mac)",
3266 } else if (eth_addr_is_multicast(ea)) {
3267 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3270 int error = netdev_set_etheraddr(iface->netdev, ea);
3272 VLOG_ERR("interface %s: setting MAC failed (%s)",
3273 iface->name, strerror(error));
3279 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3281 iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3283 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3284 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3288 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3289 * sets the "ofport" field to -1.
3291 * This is appropriate when 'if_cfg''s interface cannot be created or is
3292 * otherwise invalid. */
3294 iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3296 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3297 iface_set_ofport(if_cfg, -1);
3298 ovsrec_interface_set_status(if_cfg, NULL);
3299 ovsrec_interface_set_admin_state(if_cfg, NULL);
3300 ovsrec_interface_set_duplex(if_cfg, NULL);
3301 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3302 ovsrec_interface_set_link_state(if_cfg, NULL);
3303 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3304 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3305 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3306 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3307 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3308 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3312 struct iface_delete_queues_cbdata {
3313 struct netdev *netdev;
3314 const struct ovsdb_datum *queues;
3318 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3320 union ovsdb_atom atom;
3322 atom.integer = target;
3323 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
3327 iface_delete_queues(unsigned int queue_id,
3328 const struct smap *details OVS_UNUSED, void *cbdata_)
3330 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3332 if (!queue_ids_include(cbdata->queues, queue_id)) {
3333 netdev_delete_queue(cbdata->netdev, queue_id);
3338 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
3340 struct ofpbuf queues_buf;
3342 ofpbuf_init(&queues_buf, 0);
3344 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
3345 netdev_set_qos(iface->netdev, NULL, NULL);
3347 struct iface_delete_queues_cbdata cbdata;
3351 /* Configure top-level Qos for 'iface'. */
3352 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
3354 /* Deconfigure queues that were deleted. */
3355 cbdata.netdev = iface->netdev;
3356 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3358 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3360 /* Configure queues for 'iface'. */
3362 for (i = 0; i < qos->n_queues; i++) {
3363 const struct ovsrec_queue *queue = qos->value_queues[i];
3364 unsigned int queue_id = qos->key_queues[i];
3366 if (queue_id == 0) {
3370 if (queue->n_dscp == 1) {
3371 struct ofproto_port_queue *port_queue;
3373 port_queue = ofpbuf_put_uninit(&queues_buf,
3374 sizeof *port_queue);
3375 port_queue->queue = queue_id;
3376 port_queue->dscp = queue->dscp[0];
3379 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
3382 struct smap details;
3384 smap_init(&details);
3385 netdev_set_queue(iface->netdev, 0, &details);
3386 smap_destroy(&details);
3390 if (iface->ofp_port >= 0) {
3391 const struct ofproto_port_queue *port_queues = queues_buf.data;
3392 size_t n_queues = queues_buf.size / sizeof *port_queues;
3394 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3395 port_queues, n_queues);
3398 netdev_set_policing(iface->netdev,
3399 iface->cfg->ingress_policing_rate,
3400 iface->cfg->ingress_policing_burst);
3402 ofpbuf_uninit(&queues_buf);
3406 iface_configure_cfm(struct iface *iface)
3408 const struct ovsrec_interface *cfg = iface->cfg;
3409 const char *opstate_str;
3410 const char *cfm_ccm_vlan;
3411 struct cfm_settings s;
3412 struct smap netdev_args;
3414 if (!cfg->n_cfm_mpid) {
3415 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
3419 s.check_tnl_key = false;
3420 smap_init(&netdev_args);
3421 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3422 const char *key = smap_get(&netdev_args, "key");
3423 const char *in_key = smap_get(&netdev_args, "in_key");
3425 s.check_tnl_key = (key && !strcmp(key, "flow"))
3426 || (in_key && !strcmp(in_key, "flow"));
3428 smap_destroy(&netdev_args);
3430 s.mpid = *cfg->cfm_mpid;
3431 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3432 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3433 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3435 if (s.interval <= 0) {
3439 if (!cfm_ccm_vlan) {
3441 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
3442 s.ccm_vlan = CFM_RANDOM_VLAN;
3444 s.ccm_vlan = atoi(cfm_ccm_vlan);
3445 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3450 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3453 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3454 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
3456 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
3459 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3460 * instead of obtaining it from the database. */
3462 iface_is_synthetic(const struct iface *iface)
3464 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3468 /* Port mirroring. */
3470 static struct mirror *
3471 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3475 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3476 if (uuid_equals(uuid, &m->uuid)) {
3484 bridge_configure_mirrors(struct bridge *br)
3486 const struct ovsdb_datum *mc;
3487 unsigned long *flood_vlans;
3488 struct mirror *m, *next;
3491 /* Get rid of deleted mirrors. */
3492 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3493 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3494 union ovsdb_atom atom;
3496 atom.uuid = m->uuid;
3497 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3502 /* Add new mirrors and reconfigure existing ones. */
3503 for (i = 0; i < br->cfg->n_mirrors; i++) {
3504 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
3505 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
3507 m = mirror_create(br, cfg);
3510 if (!mirror_configure(m)) {
3515 /* Update flooded vlans (for RSPAN). */
3516 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3517 br->cfg->n_flood_vlans);
3518 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3519 bitmap_free(flood_vlans);
3522 static struct mirror *
3523 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
3527 m = xzalloc(sizeof *m);
3528 m->uuid = cfg->header_.uuid;
3529 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
3531 m->name = xstrdup(cfg->name);
3537 mirror_destroy(struct mirror *m)
3540 struct bridge *br = m->bridge;
3543 ofproto_mirror_unregister(br->ofproto, m);
3546 hmap_remove(&br->mirrors, &m->hmap_node);
3553 mirror_collect_ports(struct mirror *m,
3554 struct ovsrec_port **in_ports, int n_in_ports,
3555 void ***out_portsp, size_t *n_out_portsp)
3557 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3558 size_t n_out_ports = 0;
3561 for (i = 0; i < n_in_ports; i++) {
3562 const char *name = in_ports[i]->name;
3563 struct port *port = port_lookup(m->bridge, name);
3565 out_ports[n_out_ports++] = port;
3567 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3568 "port %s", m->bridge->name, m->name, name);
3571 *out_portsp = out_ports;
3572 *n_out_portsp = n_out_ports;
3576 mirror_configure(struct mirror *m)
3578 const struct ovsrec_mirror *cfg = m->cfg;
3579 struct ofproto_mirror_settings s;
3582 if (strcmp(cfg->name, m->name)) {
3584 m->name = xstrdup(cfg->name);
3588 /* Get output port or VLAN. */
3589 if (cfg->output_port) {
3590 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
3591 if (!s.out_bundle) {
3592 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3593 m->bridge->name, m->name);
3596 s.out_vlan = UINT16_MAX;
3598 if (cfg->output_vlan) {
3599 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3600 "output vlan; ignoring output vlan",
3601 m->bridge->name, m->name);
3603 } else if (cfg->output_vlan) {
3604 /* The database should prevent invalid VLAN values. */
3605 s.out_bundle = NULL;
3606 s.out_vlan = *cfg->output_vlan;
3608 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3609 m->bridge->name, m->name);
3613 /* Get port selection. */
3614 if (cfg->select_all) {
3615 size_t n_ports = hmap_count(&m->bridge->ports);
3616 void **ports = xmalloc(n_ports * sizeof *ports);
3621 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
3631 /* Get ports, dropping ports that don't exist.
3632 * The IDL ensures that there are no duplicates. */
3633 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
3634 &s.srcs, &s.n_srcs);
3635 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
3636 &s.dsts, &s.n_dsts);
3639 /* Get VLAN selection. */
3640 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3643 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3646 if (s.srcs != s.dsts) {
3655 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3657 * This is deprecated. It is only for compatibility with broken device drivers
3658 * in old versions of Linux that do not properly support VLANs when VLAN
3659 * devices are not used. When broken device drivers are no longer in
3660 * widespread use, we will delete these interfaces. */
3662 static struct ovsrec_port **recs;
3663 static size_t n_recs, allocated_recs;
3665 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3666 * splinters are reconfigured. */
3668 register_rec(struct ovsrec_port *rec)
3670 if (n_recs >= allocated_recs) {
3671 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
3673 recs[n_recs++] = rec;
3676 /* Frees all of the ports registered with register_reg(). */
3678 free_registered_recs(void)
3682 for (i = 0; i < n_recs; i++) {
3683 struct ovsrec_port *port = recs[i];
3686 for (j = 0; j < port->n_interfaces; j++) {
3687 struct ovsrec_interface *iface = port->interfaces[j];
3692 smap_destroy(&port->other_config);
3693 free(port->interfaces);
3701 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3704 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3706 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3710 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3713 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3714 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3715 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3718 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3719 * use, returns NULL.
3721 * Updates 'vlan_splinters_enabled_anywhere'. */
3722 static unsigned long int *
3723 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3725 unsigned long int *splinter_vlans;
3726 struct sset splinter_ifaces;
3727 const char *real_dev_name;
3728 struct shash *real_devs;
3729 struct shash_node *node;
3733 /* Free space allocated for synthesized ports and interfaces, since we're
3734 * in the process of reconstructing all of them. */
3735 free_registered_recs();
3737 splinter_vlans = bitmap_allocate(4096);
3738 sset_init(&splinter_ifaces);
3739 vlan_splinters_enabled_anywhere = false;
3740 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3741 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3744 for (j = 0; j < br_cfg->n_ports; j++) {
3745 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3748 for (k = 0; k < port_cfg->n_interfaces; k++) {
3749 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3751 if (vlan_splinters_is_enabled(iface_cfg)) {
3752 vlan_splinters_enabled_anywhere = true;
3753 sset_add(&splinter_ifaces, iface_cfg->name);
3754 vlan_bitmap_from_array__(port_cfg->trunks,
3760 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3761 bitmap_set1(splinter_vlans, *port_cfg->tag);
3766 if (!vlan_splinters_enabled_anywhere) {
3767 free(splinter_vlans);
3768 sset_destroy(&splinter_ifaces);
3772 HMAP_FOR_EACH (br, node, &all_bridges) {
3774 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3778 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3779 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3780 * device to be created for it. */
3781 bitmap_set0(splinter_vlans, 0);
3782 bitmap_set0(splinter_vlans, 4095);
3784 /* Delete all VLAN devices that we don't need. */
3786 real_devs = vlandev_get_real_devs();
3787 SHASH_FOR_EACH (node, real_devs) {
3788 const struct vlan_real_dev *real_dev = node->data;
3789 const struct vlan_dev *vlan_dev;
3790 bool real_dev_has_splinters;
3792 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3794 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3795 if (!real_dev_has_splinters
3796 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3797 struct netdev *netdev;
3799 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3800 if (!netdev_get_in4(netdev, NULL, NULL) ||
3801 !netdev_get_in6(netdev, NULL)) {
3802 vlandev_del(vlan_dev->name);
3804 /* It has an IP address configured, so we don't own
3805 * it. Don't delete it. */
3807 netdev_close(netdev);
3814 /* Add all VLAN devices that we need. */
3815 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3818 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3819 if (!vlandev_get_name(real_dev_name, vid)) {
3820 vlandev_add(real_dev_name, vid);
3827 sset_destroy(&splinter_ifaces);
3829 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3830 free(splinter_vlans);
3833 return splinter_vlans;
3836 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3839 configure_splinter_port(struct port *port)
3841 struct ofproto *ofproto = port->bridge->ofproto;
3842 uint16_t realdev_ofp_port;
3843 const char *realdev_name;
3844 struct iface *vlandev, *realdev;
3846 ofproto_bundle_unregister(port->bridge->ofproto, port);
3848 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3851 realdev_name = smap_get(&port->cfg->other_config, "realdev");
3852 realdev = iface_lookup(port->bridge, realdev_name);
3853 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3855 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3859 static struct ovsrec_port *
3860 synthesize_splinter_port(const char *real_dev_name,
3861 const char *vlan_dev_name, int vid)
3863 struct ovsrec_interface *iface;
3864 struct ovsrec_port *port;
3866 iface = xmalloc(sizeof *iface);
3867 ovsrec_interface_init(iface);
3868 iface->name = xstrdup(vlan_dev_name);
3869 iface->type = "system";
3871 port = xmalloc(sizeof *port);
3872 ovsrec_port_init(port);
3873 port->interfaces = xmemdup(&iface, sizeof iface);
3874 port->n_interfaces = 1;
3875 port->name = xstrdup(vlan_dev_name);
3876 port->vlan_mode = "splinter";
3877 port->tag = xmalloc(sizeof *port->tag);
3880 smap_add(&port->other_config, "realdev", real_dev_name);
3886 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3887 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3888 * 1-bit in the 'splinter_vlans' bitmap. */
3890 add_vlan_splinter_ports(struct bridge *br,
3891 const unsigned long int *splinter_vlans,
3892 struct shash *ports)
3896 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3897 * we're modifying 'ports'. */
3898 for (i = 0; i < br->cfg->n_ports; i++) {
3899 const char *name = br->cfg->ports[i]->name;
3900 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3903 for (j = 0; j < port_cfg->n_interfaces; j++) {
3904 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3906 if (vlan_splinters_is_enabled(iface_cfg)) {
3907 const char *real_dev_name;
3910 real_dev_name = iface_cfg->name;
3911 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3912 const char *vlan_dev_name;
3914 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3916 && !shash_find(ports, vlan_dev_name)) {
3917 shash_add(ports, vlan_dev_name,
3918 synthesize_splinter_port(
3919 real_dev_name, vlan_dev_name, vid));
3928 mirror_refresh_stats(struct mirror *m)
3930 struct ofproto *ofproto = m->bridge->ofproto;
3931 uint64_t tx_packets, tx_bytes;
3934 size_t stat_cnt = 0;
3936 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3937 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
3941 if (tx_packets != UINT64_MAX) {
3942 keys[stat_cnt] = "tx_packets";
3943 values[stat_cnt] = tx_packets;
3946 if (tx_bytes != UINT64_MAX) {
3947 keys[stat_cnt] = "tx_bytes";
3948 values[stat_cnt] = tx_bytes;
3952 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);