1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 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.
27 #include "dynamic-string.h"
34 #include "mac-learning.h"
35 #include "meta-flow.h"
37 #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_table(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_dp_desc(struct bridge *);
189 static void bridge_configure_remotes(struct bridge *,
190 const struct sockaddr_in *managers,
192 static void bridge_pick_local_hw_addr(struct bridge *,
193 uint8_t ea[ETH_ADDR_LEN],
194 struct iface **hw_addr_iface);
195 static uint64_t bridge_pick_datapath_id(struct bridge *,
196 const uint8_t bridge_ea[ETH_ADDR_LEN],
197 struct iface *hw_addr_iface);
198 static void bridge_queue_if_cfg(struct bridge *,
199 const struct ovsrec_interface *,
200 const struct ovsrec_port *);
201 static uint64_t dpid_from_hash(const void *, size_t nbytes);
202 static bool bridge_has_bond_fake_iface(const struct bridge *,
204 static bool port_is_bond_fake_iface(const struct port *);
206 static unixctl_cb_func qos_unixctl_show;
208 static struct port *port_create(struct bridge *, const struct ovsrec_port *);
209 static void port_del_ifaces(struct port *);
210 static void port_destroy(struct port *);
211 static struct port *port_lookup(const struct bridge *, const char *name);
212 static void port_configure(struct port *);
213 static struct lacp_settings *port_configure_lacp(struct port *,
214 struct lacp_settings *);
215 static void port_configure_bond(struct port *, struct bond_settings *,
216 uint32_t *bond_stable_ids);
217 static bool port_is_synthetic(const struct port *);
219 static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
220 static void run_system_stats(void);
222 static void bridge_configure_mirrors(struct bridge *);
223 static struct mirror *mirror_create(struct bridge *,
224 const struct ovsrec_mirror *);
225 static void mirror_destroy(struct mirror *);
226 static bool mirror_configure(struct mirror *);
227 static void mirror_refresh_stats(struct mirror *);
229 static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
230 static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port);
231 static bool iface_is_internal(const struct ovsrec_interface *iface,
232 const struct ovsrec_bridge *br);
233 static const char *iface_get_type(const struct ovsrec_interface *,
234 const struct ovsrec_bridge *);
235 static void iface_destroy(struct iface *);
236 static struct iface *iface_lookup(const struct bridge *, const char *name);
237 static struct iface *iface_find(const char *name);
238 static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
239 static struct iface *iface_from_ofp_port(const struct bridge *,
241 static void iface_set_mac(struct iface *);
242 static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
243 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg);
244 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
245 static void iface_configure_cfm(struct iface *);
246 static void iface_refresh_cfm_stats(struct iface *);
247 static void iface_refresh_stats(struct iface *);
248 static void iface_refresh_status(struct iface *);
249 static bool iface_is_synthetic(const struct iface *);
250 static int64_t iface_pick_ofport(const struct ovsrec_interface *);
252 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
254 * This is deprecated. It is only for compatibility with broken device drivers
255 * in old versions of Linux that do not properly support VLANs when VLAN
256 * devices are not used. When broken device drivers are no longer in
257 * widespread use, we will delete these interfaces. */
259 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
260 static bool vlan_splinters_enabled_anywhere;
262 static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
263 static unsigned long int *collect_splinter_vlans(
264 const struct ovsrec_open_vswitch *);
265 static void configure_splinter_port(struct port *);
266 static void add_vlan_splinter_ports(struct bridge *,
267 const unsigned long int *splinter_vlans,
268 struct shash *ports);
271 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
273 struct shash iface_hints;
274 static bool initialized = false;
281 shash_init(&iface_hints);
284 for (i = 0; i < cfg->n_bridges; i++) {
285 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
288 for (j = 0; j < br_cfg->n_ports; j++) {
289 struct ovsrec_port *port_cfg = br_cfg->ports[j];
292 for (k = 0; k < port_cfg->n_interfaces; k++) {
293 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
294 struct iface_hint *iface_hint;
296 iface_hint = xmalloc(sizeof *iface_hint);
297 iface_hint->br_name = br_cfg->name;
298 iface_hint->br_type = br_cfg->datapath_type;
299 iface_hint->ofp_port = iface_pick_ofport(if_cfg);
301 shash_add(&iface_hints, if_cfg->name, iface_hint);
307 ofproto_init(&iface_hints);
309 shash_destroy_free_data(&iface_hints);
313 /* Public functions. */
315 /* Initializes the bridge module, configuring it to obtain its configuration
316 * from an OVSDB server accessed over 'remote', which should be a string in a
317 * form acceptable to ovsdb_idl_create(). */
319 bridge_init(const char *remote)
321 /* Create connection to database. */
322 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
323 idl_seqno = ovsdb_idl_get_seqno(idl);
324 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
325 ovsdb_idl_verify_write_only(idl);
327 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
328 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
329 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
330 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
331 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
332 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
333 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
335 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
336 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
337 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
339 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
340 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
341 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
342 ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
344 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
345 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
346 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
347 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
348 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
349 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
350 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
351 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
352 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
353 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
354 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
355 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
356 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
357 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
358 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
359 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
361 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
362 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
363 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
364 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
366 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
368 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
370 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
371 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
373 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
375 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
377 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
378 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
379 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
380 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
381 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
383 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
385 /* Register unixctl commands. */
386 unixctl_command_register("qos/show", "interface", 1, 1,
387 qos_unixctl_show, NULL);
388 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
389 bridge_unixctl_dump_flows, NULL);
390 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
391 bridge_unixctl_reconnect, NULL);
401 struct bridge *br, *next_br;
403 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
406 ovsdb_idl_destroy(idl);
409 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
410 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
411 * responsible for freeing '*managersp' (with free()).
413 * You may be asking yourself "why does ovs-vswitchd care?", because
414 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
415 * should not be and in fact is not directly involved in that. But
416 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
417 * it has to tell in-band control where the managers are to enable that.
418 * (Thus, only managers connected in-band are collected.)
421 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
422 struct sockaddr_in **managersp, size_t *n_managersp)
424 struct sockaddr_in *managers = NULL;
425 size_t n_managers = 0;
429 /* Collect all of the potential targets from the "targets" columns of the
430 * rows pointed to by "manager_options", excluding any that are
433 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
434 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
436 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
437 sset_find_and_delete(&targets, m->target);
439 sset_add(&targets, m->target);
443 /* Now extract the targets' IP addresses. */
444 if (!sset_is_empty(&targets)) {
447 managers = xmalloc(sset_count(&targets) * sizeof *managers);
448 SSET_FOR_EACH (target, &targets) {
449 struct sockaddr_in *sin = &managers[n_managers];
451 if (stream_parse_target_with_default_ports(target,
459 sset_destroy(&targets);
461 *managersp = managers;
462 *n_managersp = n_managers;
466 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
468 unsigned long int *splinter_vlans;
471 COVERAGE_INC(bridge_reconfigure);
473 ovs_assert(!reconfiguring);
474 reconfiguring = true;
476 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
477 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
478 * configuration otherwise.
480 * This is mostly an update to bridge data structures. Nothing is pushed
481 * down to ofproto or lower layers. */
482 add_del_bridges(ovs_cfg);
483 splinter_vlans = collect_splinter_vlans(ovs_cfg);
484 HMAP_FOR_EACH (br, node, &all_bridges) {
485 bridge_add_del_ports(br, splinter_vlans);
487 free(splinter_vlans);
489 /* Delete datapaths that are no longer configured, and create ones which
490 * don't exist but should. */
491 bridge_update_ofprotos();
493 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
494 HMAP_FOR_EACH (br, node, &all_bridges) {
495 bridge_refresh_ofp_port(br);
498 /* Clear database records for "if_cfg"s which haven't been instantiated. */
499 HMAP_FOR_EACH (br, node, &all_bridges) {
500 struct if_cfg *if_cfg;
502 HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
503 iface_clear_db_record(if_cfg->cfg);
507 reconfigure_system_stats(ovs_cfg);
511 bridge_reconfigure_ofp(void)
513 long long int deadline;
517 deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
519 /* The kernel will reject any attempt to add a given port to a datapath if
520 * that port already belongs to a different datapath, so we must do all
521 * port deletions before any port additions. */
522 HMAP_FOR_EACH (br, node, &all_bridges) {
523 struct ofpp_garbage *garbage, *next;
525 LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
526 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
527 * internal datastructures may not be consistent. Eventually, when
528 * port additions and deletions are cheaper, these calls should be
531 ofproto_port_del(br->ofproto, garbage->ofp_port);
532 list_remove(&garbage->list_node);
536 if (time_msec() >= deadline) {
543 HMAP_FOR_EACH (br, node, &all_bridges) {
544 struct if_cfg *if_cfg, *next;
546 HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
547 iface_create(br, if_cfg, -1);
549 if (time_msec() >= deadline) {
559 bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
561 struct sockaddr_in *managers;
562 int sflow_bridge_number;
567 ovs_assert(reconfiguring);
568 done = bridge_reconfigure_ofp();
570 /* Complete the configuration. */
571 sflow_bridge_number = 0;
572 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
573 HMAP_FOR_EACH (br, node, &all_bridges) {
576 /* We need the datapath ID early to allow LACP ports to use it as the
577 * default system ID. */
578 bridge_configure_datapath_id(br);
580 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
583 port_configure(port);
585 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
586 iface_configure_cfm(iface);
587 iface_configure_qos(iface, port->cfg->qos);
588 iface_set_mac(iface);
591 bridge_configure_mirrors(br);
592 bridge_configure_flow_eviction_threshold(br);
593 bridge_configure_forward_bpdu(br);
594 bridge_configure_mac_table(br);
595 bridge_configure_remotes(br, managers, n_managers);
596 bridge_configure_netflow(br);
597 bridge_configure_sflow(br, &sflow_bridge_number);
598 bridge_configure_stp(br);
599 bridge_configure_tables(br);
600 bridge_configure_dp_desc(br);
605 /* ovs-vswitchd has completed initialization, so allow the process that
606 * forked us to exit successfully. */
607 daemonize_complete();
608 reconfiguring = false;
610 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name, VERSION);
616 /* Delete ofprotos which aren't configured or have the wrong type. Create
617 * ofprotos which don't exist but need to. */
619 bridge_update_ofprotos(void)
621 struct bridge *br, *next;
626 /* Delete ofprotos with no bridge or with the wrong type. */
629 ofproto_enumerate_types(&types);
630 SSET_FOR_EACH (type, &types) {
633 ofproto_enumerate_names(type, &names);
634 SSET_FOR_EACH (name, &names) {
635 br = bridge_lookup(name);
636 if (!br || strcmp(type, br->type)) {
637 ofproto_delete(name, type);
641 sset_destroy(&names);
642 sset_destroy(&types);
644 /* Add ofprotos for bridges which don't have one yet. */
645 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
653 /* Remove ports from any datapath with the same name as 'br'. If we
654 * don't do this, creating 'br''s ofproto will fail because a port with
655 * the same name as its local port already exists. */
656 HMAP_FOR_EACH (br2, node, &all_bridges) {
657 struct ofproto_port ofproto_port;
663 if (!ofproto_port_query_by_name(br2->ofproto, br->name,
665 error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
667 VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
670 ofproto_port_destroy(&ofproto_port);
674 error = ofproto_create(br->name, br->type, &br->ofproto);
676 VLOG_ERR("failed to create bridge %s: %s", br->name,
684 port_configure(struct port *port)
686 const struct ovsrec_port *cfg = port->cfg;
687 struct bond_settings bond_settings;
688 struct lacp_settings lacp_settings;
689 struct ofproto_bundle_settings s;
692 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
693 configure_splinter_port(port);
702 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
703 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
704 s.slaves[s.n_slaves++] = iface->ofp_port;
709 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
713 /* Get VLAN trunks. */
716 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
720 if (cfg->vlan_mode) {
721 if (!strcmp(cfg->vlan_mode, "access")) {
722 s.vlan_mode = PORT_VLAN_ACCESS;
723 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
724 s.vlan_mode = PORT_VLAN_TRUNK;
725 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
726 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
727 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
728 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
730 /* This "can't happen" because ovsdb-server should prevent it. */
731 VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode);
732 s.vlan_mode = PORT_VLAN_TRUNK;
736 s.vlan_mode = PORT_VLAN_ACCESS;
738 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
742 s.vlan_mode = PORT_VLAN_TRUNK;
745 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
748 /* Get LACP settings. */
749 s.lacp = port_configure_lacp(port, &lacp_settings);
753 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
754 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
755 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
758 s.lacp_slaves = NULL;
761 /* Get bond settings. */
762 if (s.n_slaves > 1) {
763 s.bond = &bond_settings;
764 s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids);
765 port_configure_bond(port, &bond_settings, s.bond_stable_ids);
768 s.bond_stable_ids = NULL;
770 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
771 netdev_set_miimon_interval(iface->netdev, 0);
776 ofproto_bundle_register(port->bridge->ofproto, port, &s);
782 free(s.bond_stable_ids);
785 /* Pick local port hardware address and datapath ID for 'br'. */
787 bridge_configure_datapath_id(struct bridge *br)
789 uint8_t ea[ETH_ADDR_LEN];
791 struct iface *local_iface;
792 struct iface *hw_addr_iface;
795 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
796 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
798 int error = netdev_set_etheraddr(local_iface->netdev, ea);
800 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
801 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
802 "Ethernet address: %s",
803 br->name, strerror(error));
806 memcpy(br->ea, ea, ETH_ADDR_LEN);
808 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
809 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
810 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
811 ofproto_set_datapath_id(br->ofproto, dpid);
814 dpid_string = xasprintf("%016"PRIx64, dpid);
815 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
819 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
822 bridge_get_allowed_versions(struct bridge *br)
824 if (!br->cfg->n_protocols)
827 return ofputil_versions_from_strings(br->cfg->protocols,
828 br->cfg->n_protocols);
831 /* Set NetFlow configuration on 'br'. */
833 bridge_configure_netflow(struct bridge *br)
835 struct ovsrec_netflow *cfg = br->cfg->netflow;
836 struct netflow_options opts;
839 ofproto_set_netflow(br->ofproto, NULL);
843 memset(&opts, 0, sizeof opts);
845 /* Get default NetFlow configuration from datapath.
846 * Apply overrides from 'cfg'. */
847 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
848 if (cfg->engine_type) {
849 opts.engine_type = *cfg->engine_type;
851 if (cfg->engine_id) {
852 opts.engine_id = *cfg->engine_id;
855 /* Configure active timeout interval. */
856 opts.active_timeout = cfg->active_timeout;
857 if (!opts.active_timeout) {
858 opts.active_timeout = -1;
859 } else if (opts.active_timeout < 0) {
860 VLOG_WARN("bridge %s: active timeout interval set to negative "
861 "value, using default instead (%d seconds)", br->name,
862 NF_ACTIVE_TIMEOUT_DEFAULT);
863 opts.active_timeout = -1;
866 /* Add engine ID to interface number to disambiguate bridgs? */
867 opts.add_id_to_iface = cfg->add_id_to_interface;
868 if (opts.add_id_to_iface) {
869 if (opts.engine_id > 0x7f) {
870 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
871 "another vswitch, choose an engine id less than 128",
874 if (hmap_count(&br->ports) > 508) {
875 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
876 "another port when more than 508 ports are used",
882 sset_init(&opts.collectors);
883 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
886 if (ofproto_set_netflow(br->ofproto, &opts)) {
887 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
889 sset_destroy(&opts.collectors);
892 /* Set sFlow configuration on 'br'. */
894 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
896 const struct ovsrec_sflow *cfg = br->cfg->sflow;
897 struct ovsrec_controller **controllers;
898 struct ofproto_sflow_options oso;
899 size_t n_controllers;
903 ofproto_set_sflow(br->ofproto, NULL);
907 memset(&oso, 0, sizeof oso);
909 sset_init(&oso.targets);
910 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
912 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
914 oso.sampling_rate = *cfg->sampling;
917 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
919 oso.polling_interval = *cfg->polling;
922 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
924 oso.header_len = *cfg->header;
927 oso.sub_id = (*sflow_bridge_number)++;
928 oso.agent_device = cfg->agent;
930 oso.control_ip = NULL;
931 n_controllers = bridge_get_controllers(br, &controllers);
932 for (i = 0; i < n_controllers; i++) {
933 if (controllers[i]->local_ip) {
934 oso.control_ip = controllers[i]->local_ip;
938 ofproto_set_sflow(br->ofproto, &oso);
940 sset_destroy(&oso.targets);
944 port_configure_stp(const struct ofproto *ofproto, struct port *port,
945 struct ofproto_port_stp_settings *port_s,
946 int *port_num_counter, unsigned long *port_num_bitmap)
948 const char *config_str;
951 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
952 port_s->enable = false;
955 port_s->enable = true;
958 /* STP over bonds is not supported. */
959 if (!list_is_singleton(&port->ifaces)) {
960 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
962 port_s->enable = false;
966 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
968 /* Internal ports shouldn't participate in spanning tree, so
970 if (!strcmp(iface->type, "internal")) {
971 VLOG_DBG("port %s: disable STP on internal ports", port->name);
972 port_s->enable = false;
976 /* STP on mirror output ports is not supported. */
977 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
978 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
979 port_s->enable = false;
983 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
985 unsigned long int port_num = strtoul(config_str, NULL, 0);
986 int port_idx = port_num - 1;
988 if (port_num < 1 || port_num > STP_MAX_PORTS) {
989 VLOG_ERR("port %s: invalid stp-port-num", port->name);
990 port_s->enable = false;
994 if (bitmap_is_set(port_num_bitmap, port_idx)) {
995 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
996 port->name, port_num);
997 port_s->enable = false;
1000 bitmap_set1(port_num_bitmap, port_idx);
1001 port_s->port_num = port_idx;
1003 if (*port_num_counter >= STP_MAX_PORTS) {
1004 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
1005 port_s->enable = false;
1009 port_s->port_num = (*port_num_counter)++;
1012 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
1014 port_s->path_cost = strtoul(config_str, NULL, 10);
1016 enum netdev_features current;
1019 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1020 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1021 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1024 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1026 port_s->priority = strtoul(config_str, NULL, 0);
1028 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1032 /* Set spanning tree configuration on 'br'. */
1034 bridge_configure_stp(struct bridge *br)
1036 if (!br->cfg->stp_enable) {
1037 ofproto_set_stp(br->ofproto, NULL);
1039 struct ofproto_stp_settings br_s;
1040 const char *config_str;
1042 int port_num_counter;
1043 unsigned long *port_num_bitmap;
1045 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1047 uint8_t ea[ETH_ADDR_LEN];
1049 if (eth_addr_from_string(config_str, ea)) {
1050 br_s.system_id = eth_addr_to_uint64(ea);
1052 br_s.system_id = eth_addr_to_uint64(br->ea);
1053 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1054 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1057 br_s.system_id = eth_addr_to_uint64(br->ea);
1060 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1062 br_s.priority = strtoul(config_str, NULL, 0);
1064 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1067 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1069 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1071 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1074 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1076 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1078 br_s.max_age = STP_DEFAULT_MAX_AGE;
1081 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1083 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1085 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1088 /* Configure STP on the bridge. */
1089 if (ofproto_set_stp(br->ofproto, &br_s)) {
1090 VLOG_ERR("bridge %s: could not enable STP", br->name);
1094 /* Users must either set the port number with the "stp-port-num"
1095 * configuration on all ports or none. If manual configuration
1096 * is not done, then we allocate them sequentially. */
1097 port_num_counter = 0;
1098 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1099 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1100 struct ofproto_port_stp_settings port_s;
1101 struct iface *iface;
1103 port_configure_stp(br->ofproto, port, &port_s,
1104 &port_num_counter, port_num_bitmap);
1106 /* As bonds are not supported, just apply configuration to
1107 * all interfaces. */
1108 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1109 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1111 VLOG_ERR("port %s: could not enable STP", port->name);
1117 if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1118 && port_num_counter) {
1119 VLOG_ERR("bridge %s: must manually configure all STP port "
1120 "IDs or none, disabling", br->name);
1121 ofproto_set_stp(br->ofproto, NULL);
1123 bitmap_free(port_num_bitmap);
1128 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1130 const struct port *port = port_lookup(br, name);
1131 return port && port_is_bond_fake_iface(port);
1135 port_is_bond_fake_iface(const struct port *port)
1137 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1141 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1143 struct bridge *br, *next;
1144 struct shash new_br;
1147 /* Collect new bridges' names and types. */
1148 shash_init(&new_br);
1149 for (i = 0; i < cfg->n_bridges; i++) {
1150 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1151 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1153 if (strchr(br_cfg->name, '/')) {
1154 /* Prevent remote ovsdb-server users from accessing arbitrary
1155 * directories, e.g. consider a bridge named "../../../etc/". */
1156 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1158 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1159 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1163 /* Get rid of deleted bridges or those whose types have changed.
1164 * Update 'cfg' of bridges that still exist. */
1165 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1166 br->cfg = shash_find_data(&new_br, br->name);
1167 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1168 br->cfg->datapath_type))) {
1173 /* Add new bridges. */
1174 for (i = 0; i < cfg->n_bridges; i++) {
1175 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1176 struct bridge *br = bridge_lookup(br_cfg->name);
1178 bridge_create(br_cfg);
1182 shash_destroy(&new_br);
1186 iface_set_ofp_port(struct iface *iface, int ofp_port)
1188 struct bridge *br = iface->port->bridge;
1190 ovs_assert(iface->ofp_port < 0 && ofp_port >= 0);
1191 iface->ofp_port = ofp_port;
1192 hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
1193 iface_set_ofport(iface->cfg, ofp_port);
1196 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1197 * Returns 0 if successful, otherwise a positive errno value. */
1199 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1200 struct netdev *netdev)
1204 error = netdev_set_config(netdev, &iface_cfg->options);
1206 VLOG_WARN("could not configure network device %s (%s)",
1207 iface_cfg->name, strerror(error));
1212 /* This function determines whether 'ofproto_port', which is attached to
1213 * br->ofproto's datapath, is one that we want in 'br'.
1215 * If it is, it returns true, after creating an iface (if necessary),
1216 * configuring the iface's netdev according to the iface's options, and setting
1217 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1219 * If, on the other hand, 'port' should be removed, it returns false. The
1220 * caller should later detach the port from br->ofproto. */
1222 bridge_refresh_one_ofp_port(struct bridge *br,
1223 const struct ofproto_port *ofproto_port)
1225 const char *name = ofproto_port->name;
1226 const char *type = ofproto_port->type;
1227 uint16_t ofp_port = ofproto_port->ofp_port;
1229 struct iface *iface = iface_lookup(br, name);
1231 /* Check that the name-to-number mapping is one-to-one. */
1232 if (iface->ofp_port >= 0) {
1233 VLOG_WARN("bridge %s: interface %s reported twice",
1236 } else if (iface_from_ofp_port(br, ofp_port)) {
1237 VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
1238 br->name, ofp_port);
1242 /* There's a configured interface named 'name'. */
1243 if (strcmp(type, iface->type)
1244 || iface_set_netdev_config(iface->cfg, iface->netdev)) {
1245 /* It's the wrong type, or it's the right type but can't be
1246 * configured as the user requested, so we must destroy it. */
1249 /* It's the right type and configured correctly. Keep it. */
1250 iface_set_ofp_port(iface, ofp_port);
1253 } else if (bridge_has_bond_fake_iface(br, name)
1254 && !strcmp(type, "internal")) {
1255 /* It's a bond fake iface. Keep it. */
1258 /* There's no configured interface named 'name', but there might be an
1259 * interface of that name queued to be created.
1261 * If there is, and it has the correct type, then try to configure it
1262 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1263 * delete it and later try to re-add it. */
1264 struct if_cfg *if_cfg = if_cfg_lookup(br, name);
1266 && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
1267 && iface_create(br, if_cfg, ofp_port));
1271 /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1272 * consistent with the ofp_ports in "br->ofproto". */
1274 bridge_refresh_ofp_port(struct bridge *br)
1276 struct ofproto_port_dump dump;
1277 struct ofproto_port ofproto_port;
1278 struct port *port, *port_next;
1280 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
1281 hmap_clear(&br->ifaces);
1282 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1283 struct iface *iface;
1285 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1286 iface->ofp_port = -1;
1290 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1291 * already exist in the datapath and promote them to full fledged "struct
1292 * iface"s. Mark ports in the datapath which don't belong as garbage. */
1293 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
1294 if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
1295 struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
1296 garbage->ofp_port = ofproto_port.ofp_port;
1297 list_push_front(&br->ofpp_garbage, &garbage->list_node);
1301 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1302 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1303 * later they can be added to ofproto. */
1304 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
1305 struct iface *iface, *iface_next;
1307 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
1308 if (iface->ofp_port < 0) {
1309 bridge_queue_if_cfg(br, iface->cfg, port->cfg);
1310 iface_destroy(iface);
1314 if (list_is_empty(&port->ifaces)) {
1320 /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
1321 * is negative, adds the network device to br->ofproto and stores the OpenFlow
1322 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1325 * If successful, returns 0 and stores the network device in '*netdevp'. On
1326 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1328 iface_do_create(const struct bridge *br,
1329 const struct if_cfg *if_cfg,
1330 int *ofp_portp, struct netdev **netdevp)
1332 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1333 const struct ovsrec_port *port_cfg = if_cfg->parent;
1334 struct netdev *netdev;
1337 error = netdev_open(iface_cfg->name,
1338 iface_get_type(iface_cfg, br->cfg), &netdev);
1340 VLOG_WARN("could not open network device %s (%s)",
1341 iface_cfg->name, strerror(error));
1345 error = iface_set_netdev_config(iface_cfg, netdev);
1350 if (*ofp_portp < 0) {
1351 uint16_t ofp_port = if_cfg->ofport;
1353 error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
1357 *ofp_portp = ofp_port;
1359 VLOG_INFO("bridge %s: added interface %s on port %d",
1360 br->name, iface_cfg->name, *ofp_portp);
1362 VLOG_DBG("bridge %s: interface %s is on port %d",
1363 br->name, iface_cfg->name, *ofp_portp);
1366 if ((port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter"))
1367 || iface_is_internal(iface_cfg, br->cfg)) {
1368 netdev_turn_flags_on(netdev, NETDEV_UP, true);
1376 netdev_close(netdev);
1380 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1381 * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
1382 * automatically allocated for the iface. Takes ownership of and
1383 * deallocates 'if_cfg'.
1385 * Return true if an iface is successfully created, false otherwise. */
1387 iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
1389 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1390 const struct ovsrec_port *port_cfg = if_cfg->parent;
1392 struct netdev *netdev;
1393 struct iface *iface;
1398 /* Do the bits that can fail up front.
1400 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1401 * internal datastructures may not be consistent. Eventually, when port
1402 * additions and deletions are cheaper, these calls should be removed. */
1404 ovs_assert(!iface_lookup(br, iface_cfg->name));
1405 error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
1408 iface_set_ofport(iface_cfg, -1);
1409 iface_clear_db_record(iface_cfg);
1414 /* Get or create the port structure. */
1415 port = port_lookup(br, port_cfg->name);
1417 port = port_create(br, port_cfg);
1420 /* Create the iface structure. */
1421 iface = xzalloc(sizeof *iface);
1422 list_push_back(&port->ifaces, &iface->port_elem);
1423 hmap_insert(&br->iface_by_name, &iface->name_node,
1424 hash_string(iface_cfg->name, 0));
1426 iface->name = xstrdup(iface_cfg->name);
1427 iface->ofp_port = -1;
1428 iface->netdev = netdev;
1429 iface->type = iface_get_type(iface_cfg, br->cfg);
1430 iface->cfg = iface_cfg;
1432 iface_set_ofp_port(iface, ofp_port);
1434 /* Populate initial status in database. */
1435 iface_refresh_stats(iface);
1436 iface_refresh_status(iface);
1438 /* Add bond fake iface if necessary. */
1439 if (port_is_bond_fake_iface(port)) {
1440 struct ofproto_port ofproto_port;
1442 if (ofproto_port_query_by_name(br->ofproto, port->name,
1444 struct netdev *netdev;
1447 error = netdev_open(port->name, "internal", &netdev);
1449 uint16_t ofp_port = if_cfg->ofport;
1451 ofproto_port_add(br->ofproto, netdev, &ofp_port);
1452 netdev_close(netdev);
1454 VLOG_WARN("could not open network device %s (%s)",
1455 port->name, strerror(error));
1458 /* Already exists, nothing to do. */
1459 ofproto_port_destroy(&ofproto_port);
1464 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
1470 /* Set Flow eviction threshold */
1472 bridge_configure_flow_eviction_threshold(struct bridge *br)
1474 const char *threshold_str;
1477 threshold_str = smap_get(&br->cfg->other_config,
1478 "flow-eviction-threshold");
1479 if (threshold_str) {
1480 threshold = strtoul(threshold_str, NULL, 10);
1482 threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
1484 ofproto_set_flow_eviction_threshold(br->ofproto, threshold);
1487 /* Set forward BPDU option. */
1489 bridge_configure_forward_bpdu(struct bridge *br)
1491 ofproto_set_forward_bpdu(br->ofproto,
1492 smap_get_bool(&br->cfg->other_config,
1497 /* Set MAC learning table configuration for 'br'. */
1499 bridge_configure_mac_table(struct bridge *br)
1501 const char *idle_time_str;
1504 const char *mac_table_size_str;
1507 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1508 idle_time = (idle_time_str && atoi(idle_time_str)
1509 ? atoi(idle_time_str)
1510 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1512 mac_table_size_str = smap_get(&br->cfg->other_config, "mac-table-size");
1513 mac_table_size = (mac_table_size_str && atoi(mac_table_size_str)
1514 ? atoi(mac_table_size_str)
1517 ofproto_set_mac_table_config(br->ofproto, idle_time, mac_table_size);
1521 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1522 struct iface **hw_addr_iface)
1524 struct hmapx mirror_output_ports;
1527 bool found_addr = false;
1531 *hw_addr_iface = NULL;
1533 /* Did the user request a particular MAC? */
1534 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
1535 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
1536 if (eth_addr_is_multicast(ea)) {
1537 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1538 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1539 } else if (eth_addr_is_zero(ea)) {
1540 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
1546 /* Mirror output ports don't participate in picking the local hardware
1547 * address. ofproto can't help us find out whether a given port is a
1548 * mirror output because we haven't configured mirrors yet, so we need to
1549 * accumulate them ourselves. */
1550 hmapx_init(&mirror_output_ports);
1551 for (i = 0; i < br->cfg->n_mirrors; i++) {
1552 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1553 if (m->output_port) {
1554 hmapx_add(&mirror_output_ports, m->output_port);
1558 /* Otherwise choose the minimum non-local MAC address among all of the
1560 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1561 uint8_t iface_ea[ETH_ADDR_LEN];
1562 struct iface *candidate;
1563 struct iface *iface;
1565 /* Mirror output ports don't participate. */
1566 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1570 /* Choose the MAC address to represent the port. */
1572 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
1573 /* Find the interface with this Ethernet address (if any) so that
1574 * we can provide the correct devname to the caller. */
1575 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1576 uint8_t candidate_ea[ETH_ADDR_LEN];
1577 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
1578 && eth_addr_equals(iface_ea, candidate_ea)) {
1583 /* Choose the interface whose MAC address will represent the port.
1584 * The Linux kernel bonding code always chooses the MAC address of
1585 * the first slave added to a bond, and the Fedora networking
1586 * scripts always add slaves to a bond in alphabetical order, so
1587 * for compatibility we choose the interface with the name that is
1588 * first in alphabetical order. */
1589 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1590 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1595 /* The local port doesn't count (since we're trying to choose its
1596 * MAC address anyway). */
1597 if (iface->ofp_port == OFPP_LOCAL) {
1602 error = netdev_get_etheraddr(iface->netdev, iface_ea);
1608 /* Compare against our current choice. */
1609 if (!eth_addr_is_multicast(iface_ea) &&
1610 !eth_addr_is_local(iface_ea) &&
1611 !eth_addr_is_reserved(iface_ea) &&
1612 !eth_addr_is_zero(iface_ea) &&
1613 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
1615 memcpy(ea, iface_ea, ETH_ADDR_LEN);
1616 *hw_addr_iface = iface;
1622 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1623 *hw_addr_iface = NULL;
1626 hmapx_destroy(&mirror_output_ports);
1629 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1630 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1631 * an interface on 'br', then that interface must be passed in as
1632 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1633 * 'hw_addr_iface' must be passed in as a null pointer. */
1635 bridge_pick_datapath_id(struct bridge *br,
1636 const uint8_t bridge_ea[ETH_ADDR_LEN],
1637 struct iface *hw_addr_iface)
1640 * The procedure for choosing a bridge MAC address will, in the most
1641 * ordinary case, also choose a unique MAC that we can use as a datapath
1642 * ID. In some special cases, though, multiple bridges will end up with
1643 * the same MAC address. This is OK for the bridges, but it will confuse
1644 * the OpenFlow controller, because each datapath needs a unique datapath
1647 * Datapath IDs must be unique. It is also very desirable that they be
1648 * stable from one run to the next, so that policy set on a datapath
1651 const char *datapath_id;
1654 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
1655 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
1659 if (!hw_addr_iface) {
1661 * A purely internal bridge, that is, one that has no non-virtual
1662 * network devices on it at all, is difficult because it has no
1663 * natural unique identifier at all.
1665 * When the host is a XenServer, we handle this case by hashing the
1666 * host's UUID with the name of the bridge. Names of bridges are
1667 * persistent across XenServer reboots, although they can be reused if
1668 * an internal network is destroyed and then a new one is later
1669 * created, so this is fairly effective.
1671 * When the host is not a XenServer, we punt by using a random MAC
1672 * address on each run.
1674 const char *host_uuid = xenserver_get_host_uuid();
1676 char *combined = xasprintf("%s,%s", host_uuid, br->name);
1677 dpid = dpid_from_hash(combined, strlen(combined));
1683 return eth_addr_to_uint64(bridge_ea);
1687 dpid_from_hash(const void *data, size_t n)
1689 uint8_t hash[SHA1_DIGEST_SIZE];
1691 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
1692 sha1_bytes(data, n, hash);
1693 eth_addr_mark_random(hash);
1694 return eth_addr_to_uint64(hash);
1698 iface_refresh_status(struct iface *iface)
1702 enum netdev_features current;
1708 if (iface_is_synthetic(iface)) {
1714 if (!netdev_get_status(iface->netdev, &smap)) {
1715 ovsrec_interface_set_status(iface->cfg, &smap);
1717 ovsrec_interface_set_status(iface->cfg, NULL);
1720 smap_destroy(&smap);
1722 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1723 bps = !error ? netdev_features_to_bps(current, 0) : 0;
1725 ovsrec_interface_set_duplex(iface->cfg,
1726 netdev_features_is_full_duplex(current)
1728 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
1731 ovsrec_interface_set_duplex(iface->cfg, NULL);
1732 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
1735 error = netdev_get_mtu(iface->netdev, &mtu);
1738 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
1741 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
1745 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1748 iface_refresh_cfm_stats(struct iface *iface)
1750 const struct ovsrec_interface *cfg = iface->cfg;
1751 int fault, opup, error;
1752 const uint64_t *rmps;
1756 fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
1759 const char *reasons[CFM_FAULT_N_REASONS];
1760 bool fault_bool = fault;
1764 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1765 int reason = 1 << i;
1766 if (fault & reason) {
1767 reasons[j++] = cfm_fault_reason_to_str(reason);
1771 ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
1772 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1774 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1775 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1778 opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto,
1781 ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down");
1783 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1786 error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
1787 iface->ofp_port, &rmps, &n_rmps);
1789 ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps,
1792 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1795 health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
1798 int64_t cfm_health = health;
1799 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1801 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1806 iface_refresh_stats(struct iface *iface)
1808 #define IFACE_STATS \
1809 IFACE_STAT(rx_packets, "rx_packets") \
1810 IFACE_STAT(tx_packets, "tx_packets") \
1811 IFACE_STAT(rx_bytes, "rx_bytes") \
1812 IFACE_STAT(tx_bytes, "tx_bytes") \
1813 IFACE_STAT(rx_dropped, "rx_dropped") \
1814 IFACE_STAT(tx_dropped, "tx_dropped") \
1815 IFACE_STAT(rx_errors, "rx_errors") \
1816 IFACE_STAT(tx_errors, "tx_errors") \
1817 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1818 IFACE_STAT(rx_over_errors, "rx_over_err") \
1819 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1820 IFACE_STAT(collisions, "collisions")
1822 #define IFACE_STAT(MEMBER, NAME) NAME,
1823 static char *keys[] = { IFACE_STATS };
1825 int64_t values[ARRAY_SIZE(keys)];
1828 struct netdev_stats stats;
1830 if (iface_is_synthetic(iface)) {
1834 /* Intentionally ignore return value, since errors will set 'stats' to
1835 * all-1s, and we will deal with that correctly below. */
1836 netdev_get_stats(iface->netdev, &stats);
1838 /* Copy statistics into values[] array. */
1840 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1843 ovs_assert(i == ARRAY_SIZE(keys));
1845 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1851 br_refresh_stp_status(struct bridge *br)
1853 struct smap smap = SMAP_INITIALIZER(&smap);
1854 struct ofproto *ofproto = br->ofproto;
1855 struct ofproto_stp_status status;
1857 if (ofproto_get_stp_status(ofproto, &status)) {
1861 if (!status.enabled) {
1862 ovsrec_bridge_set_status(br->cfg, NULL);
1866 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1867 STP_ID_ARGS(status.bridge_id));
1868 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1869 STP_ID_ARGS(status.designated_root));
1870 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
1872 ovsrec_bridge_set_status(br->cfg, &smap);
1873 smap_destroy(&smap);
1877 port_refresh_stp_status(struct port *port)
1879 struct ofproto *ofproto = port->bridge->ofproto;
1880 struct iface *iface;
1881 struct ofproto_port_stp_status status;
1883 int64_t int_values[3];
1886 if (port_is_synthetic(port)) {
1890 /* STP doesn't currently support bonds. */
1891 if (!list_is_singleton(&port->ifaces)) {
1892 ovsrec_port_set_status(port->cfg, NULL);
1896 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1898 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1902 if (!status.enabled) {
1903 ovsrec_port_set_status(port->cfg, NULL);
1904 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
1908 /* Set Status column. */
1910 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1911 smap_add(&smap, "stp_state", stp_state_name(status.state));
1912 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1913 smap_add(&smap, "stp_role", stp_role_name(status.role));
1914 ovsrec_port_set_status(port->cfg, &smap);
1915 smap_destroy(&smap);
1917 /* Set Statistics column. */
1918 keys[0] = "stp_tx_count";
1919 int_values[0] = status.tx_count;
1920 keys[1] = "stp_rx_count";
1921 int_values[1] = status.rx_count;
1922 keys[2] = "stp_error_count";
1923 int_values[2] = status.error_count;
1925 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1926 ARRAY_SIZE(int_values));
1930 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1932 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
1936 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
1938 bool enable = enable_system_stats(cfg);
1940 system_stats_enable(enable);
1942 ovsrec_open_vswitch_set_statistics(cfg, NULL);
1947 run_system_stats(void)
1949 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1952 stats = system_stats_run();
1954 struct ovsdb_idl_txn *txn;
1955 struct ovsdb_datum datum;
1957 txn = ovsdb_idl_txn_create(idl);
1958 ovsdb_datum_from_smap(&datum, stats);
1959 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1961 ovsdb_idl_txn_commit(txn);
1962 ovsdb_idl_txn_destroy(txn);
1968 static inline const char *
1969 nx_role_to_str(enum nx_role role)
1974 case NX_ROLE_MASTER:
1979 return "*** INVALID ROLE ***";
1984 refresh_controller_status(void)
1988 const struct ovsrec_controller *cfg;
1992 /* Accumulate status for controllers on all bridges. */
1993 HMAP_FOR_EACH (br, node, &all_bridges) {
1994 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1997 /* Update each controller in the database with current status. */
1998 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
1999 struct ofproto_controller_info *cinfo =
2000 shash_find_data(&info, cfg->target);
2003 struct smap smap = SMAP_INITIALIZER(&smap);
2004 const char **values = cinfo->pairs.values;
2005 const char **keys = cinfo->pairs.keys;
2008 for (i = 0; i < cinfo->pairs.n; i++) {
2009 smap_add(&smap, keys[i], values[i]);
2012 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
2013 ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
2014 ovsrec_controller_set_status(cfg, &smap);
2015 smap_destroy(&smap);
2017 ovsrec_controller_set_is_connected(cfg, false);
2018 ovsrec_controller_set_role(cfg, NULL);
2019 ovsrec_controller_set_status(cfg, NULL);
2023 ofproto_free_ofproto_controller_info(&info);
2027 refresh_instant_stats(void)
2029 static struct ovsdb_idl_txn *txn = NULL;
2034 txn = ovsdb_idl_txn_create(idl);
2036 HMAP_FOR_EACH (br, node, &all_bridges) {
2037 struct iface *iface;
2040 br_refresh_stp_status(br);
2042 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2043 port_refresh_stp_status(port);
2046 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
2047 enum netdev_flags flags;
2048 const char *link_state;
2049 int64_t link_resets;
2052 if (iface_is_synthetic(iface)) {
2056 current = ofproto_port_is_lacp_current(br->ofproto,
2060 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2062 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2065 error = netdev_get_flags(iface->netdev, &flags);
2067 const char *state = flags & NETDEV_UP ? "up" : "down";
2068 ovsrec_interface_set_admin_state(iface->cfg, state);
2070 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2073 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2074 ovsrec_interface_set_link_state(iface->cfg, link_state);
2076 link_resets = netdev_get_carrier_resets(iface->netdev);
2077 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2079 iface_refresh_cfm_stats(iface);
2084 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2085 ovsdb_idl_txn_destroy(txn);
2090 /* Performs periodic activity required by bridges that needs to be done with
2091 * the least possible latency.
2093 * It makes sense to call this function a couple of times per poll loop, to
2094 * provide a significant performance boost on some benchmarks with ofprotos
2095 * that use the ofproto-dpif implementation. */
2097 bridge_run_fast(void)
2104 ofproto_enumerate_types(&types);
2105 SSET_FOR_EACH (type, &types) {
2106 ofproto_type_run_fast(type);
2108 sset_destroy(&types);
2110 HMAP_FOR_EACH (br, node, &all_bridges) {
2111 ofproto_run_fast(br->ofproto);
2118 static struct ovsrec_open_vswitch null_cfg;
2119 const struct ovsrec_open_vswitch *cfg;
2120 struct ovsdb_idl_txn *reconf_txn = NULL;
2124 bool vlan_splinters_changed;
2127 ovsrec_open_vswitch_init(&null_cfg);
2129 /* (Re)configure if necessary. */
2130 if (!reconfiguring) {
2133 if (ovsdb_idl_is_lock_contended(idl)) {
2134 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2135 struct bridge *br, *next_br;
2137 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2138 "disabling this process until it goes away");
2140 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2144 } else if (!ovsdb_idl_has_lock(idl)) {
2148 cfg = ovsrec_open_vswitch_first(idl);
2150 /* Initialize the ofproto library. This only needs to run once, but
2151 * it must be done after the configuration is set. If the
2152 * initialization has already occurred, bridge_init_ofproto()
2153 * returns immediately. */
2154 bridge_init_ofproto(cfg);
2156 /* Let each datapath type do the work that it needs to do. */
2158 ofproto_enumerate_types(&types);
2159 SSET_FOR_EACH (type, &types) {
2160 ofproto_type_run(type);
2162 sset_destroy(&types);
2164 /* Let each bridge do the work that it needs to do. */
2165 HMAP_FOR_EACH (br, node, &all_bridges) {
2166 ofproto_run(br->ofproto);
2169 /* Re-configure SSL. We do this on every trip through the main loop,
2170 * instead of just when the database changes, because the contents of the
2171 * key and certificate files can change without the database changing.
2173 * We do this before bridge_reconfigure() because that function might
2174 * initiate SSL connections and thus requires SSL to be configured. */
2175 if (cfg && cfg->ssl) {
2176 const struct ovsrec_ssl *ssl = cfg->ssl;
2178 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2179 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2182 if (!reconfiguring) {
2183 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2184 * usage has changed. */
2185 vlan_splinters_changed = false;
2186 if (vlan_splinters_enabled_anywhere) {
2187 HMAP_FOR_EACH (br, node, &all_bridges) {
2188 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2189 vlan_splinters_changed = true;
2195 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2196 idl_seqno = ovsdb_idl_get_seqno(idl);
2198 reconf_txn = ovsdb_idl_txn_create(idl);
2199 bridge_reconfigure(cfg);
2201 /* We still need to reconfigure to avoid dangling pointers to
2202 * now-destroyed ovsrec structures inside bridge data. */
2203 bridge_reconfigure(&null_cfg);
2208 if (reconfiguring) {
2211 reconf_txn = ovsdb_idl_txn_create(idl);
2213 if (bridge_reconfigure_continue(cfg)) {
2214 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2217 bridge_reconfigure_continue(&null_cfg);
2222 ovsdb_idl_txn_commit(reconf_txn);
2223 ovsdb_idl_txn_destroy(reconf_txn);
2227 /* Refresh interface and mirror stats if necessary. */
2228 if (time_msec() >= iface_stats_timer) {
2230 struct ovsdb_idl_txn *txn;
2232 txn = ovsdb_idl_txn_create(idl);
2233 HMAP_FOR_EACH (br, node, &all_bridges) {
2237 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2238 struct iface *iface;
2240 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2241 iface_refresh_stats(iface);
2242 iface_refresh_status(iface);
2246 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2247 mirror_refresh_stats(m);
2251 refresh_controller_status();
2252 ovsdb_idl_txn_commit(txn);
2253 ovsdb_idl_txn_destroy(txn); /* XXX */
2256 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
2260 refresh_instant_stats();
2269 ovsdb_idl_wait(idl);
2271 if (reconfiguring) {
2272 poll_immediate_wake();
2276 ofproto_enumerate_types(&types);
2277 SSET_FOR_EACH (type, &types) {
2278 ofproto_type_wait(type);
2280 sset_destroy(&types);
2282 if (!hmap_is_empty(&all_bridges)) {
2285 HMAP_FOR_EACH (br, node, &all_bridges) {
2286 ofproto_wait(br->ofproto);
2288 poll_timer_wait_until(iface_stats_timer);
2291 system_stats_wait();
2294 /* Adds some memory usage statistics for bridges into 'usage', for use with
2295 * memory_report(). */
2297 bridge_get_memory_usage(struct simap *usage)
2301 HMAP_FOR_EACH (br, node, &all_bridges) {
2302 ofproto_get_memory_usage(br->ofproto, usage);
2306 /* QoS unixctl user interface functions. */
2308 struct qos_unixctl_show_cbdata {
2310 struct iface *iface;
2314 qos_unixctl_show_cb(unsigned int queue_id,
2315 const struct smap *details,
2318 struct qos_unixctl_show_cbdata *data = aux;
2319 struct ds *ds = data->ds;
2320 struct iface *iface = data->iface;
2321 struct netdev_queue_stats stats;
2322 struct smap_node *node;
2325 ds_put_cstr(ds, "\n");
2327 ds_put_format(ds, "Queue %u:\n", queue_id);
2329 ds_put_cstr(ds, "Default:\n");
2332 SMAP_FOR_EACH (node, details) {
2333 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2336 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2338 if (stats.tx_packets != UINT64_MAX) {
2339 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2342 if (stats.tx_bytes != UINT64_MAX) {
2343 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2346 if (stats.tx_errors != UINT64_MAX) {
2347 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2350 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2351 queue_id, strerror(error));
2356 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2357 const char *argv[], void *aux OVS_UNUSED)
2359 struct ds ds = DS_EMPTY_INITIALIZER;
2360 struct smap smap = SMAP_INITIALIZER(&smap);
2361 struct iface *iface;
2363 struct smap_node *node;
2364 struct qos_unixctl_show_cbdata data;
2367 iface = iface_find(argv[1]);
2369 unixctl_command_reply_error(conn, "no such interface");
2373 netdev_get_qos(iface->netdev, &type, &smap);
2375 if (*type != '\0') {
2376 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2378 SMAP_FOR_EACH (node, &smap) {
2379 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2384 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2387 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2389 unixctl_command_reply(conn, ds_cstr(&ds));
2391 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2392 unixctl_command_reply_error(conn, ds_cstr(&ds));
2395 smap_destroy(&smap);
2399 /* Bridge reconfiguration functions. */
2401 bridge_create(const struct ovsrec_bridge *br_cfg)
2405 ovs_assert(!bridge_lookup(br_cfg->name));
2406 br = xzalloc(sizeof *br);
2408 br->name = xstrdup(br_cfg->name);
2409 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2412 /* Derive the default Ethernet address from the bridge's UUID. This should
2413 * be unique and it will be stable between ovs-vswitchd runs. */
2414 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2415 eth_addr_mark_random(br->default_ea);
2417 hmap_init(&br->ports);
2418 hmap_init(&br->ifaces);
2419 hmap_init(&br->iface_by_name);
2420 hmap_init(&br->mirrors);
2422 hmap_init(&br->if_cfg_todo);
2423 list_init(&br->ofpp_garbage);
2425 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
2429 bridge_destroy(struct bridge *br)
2432 struct mirror *mirror, *next_mirror;
2433 struct port *port, *next_port;
2434 struct if_cfg *if_cfg, *next_if_cfg;
2435 struct ofpp_garbage *garbage, *next_garbage;
2437 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
2440 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2441 mirror_destroy(mirror);
2443 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2444 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2447 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2448 &br->ofpp_garbage) {
2449 list_remove(&garbage->list_node);
2453 hmap_remove(&all_bridges, &br->node);
2454 ofproto_destroy(br->ofproto);
2455 hmap_destroy(&br->ifaces);
2456 hmap_destroy(&br->ports);
2457 hmap_destroy(&br->iface_by_name);
2458 hmap_destroy(&br->mirrors);
2459 hmap_destroy(&br->if_cfg_todo);
2466 static struct bridge *
2467 bridge_lookup(const char *name)
2471 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
2472 if (!strcmp(br->name, name)) {
2479 /* Handle requests for a listing of all flows known by the OpenFlow
2480 * stack, including those normally hidden. */
2482 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2483 const char *argv[], void *aux OVS_UNUSED)
2488 br = bridge_lookup(argv[1]);
2490 unixctl_command_reply_error(conn, "Unknown bridge");
2495 ofproto_get_all_flows(br->ofproto, &results);
2497 unixctl_command_reply(conn, ds_cstr(&results));
2498 ds_destroy(&results);
2501 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2502 * connections and reconnect. If BRIDGE is not specified, then all bridges
2503 * drop their controller connections and reconnect. */
2505 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2506 const char *argv[], void *aux OVS_UNUSED)
2510 br = bridge_lookup(argv[1]);
2512 unixctl_command_reply_error(conn, "Unknown bridge");
2515 ofproto_reconnect_controllers(br->ofproto);
2517 HMAP_FOR_EACH (br, node, &all_bridges) {
2518 ofproto_reconnect_controllers(br->ofproto);
2521 unixctl_command_reply(conn, NULL);
2525 bridge_get_controllers(const struct bridge *br,
2526 struct ovsrec_controller ***controllersp)
2528 struct ovsrec_controller **controllers;
2529 size_t n_controllers;
2531 controllers = br->cfg->controller;
2532 n_controllers = br->cfg->n_controller;
2534 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2540 *controllersp = controllers;
2542 return n_controllers;
2546 bridge_queue_if_cfg(struct bridge *br,
2547 const struct ovsrec_interface *cfg,
2548 const struct ovsrec_port *parent)
2550 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2553 if_cfg->parent = parent;
2554 if_cfg->ofport = iface_pick_ofport(cfg);
2555 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2556 hash_string(if_cfg->cfg->name, 0));
2559 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2560 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2561 * 'br' needs to complete its configuration. */
2563 bridge_add_del_ports(struct bridge *br,
2564 const unsigned long int *splinter_vlans)
2566 struct shash_node *port_node;
2567 struct port *port, *next;
2568 struct shash new_ports;
2571 ovs_assert(hmap_is_empty(&br->if_cfg_todo));
2573 /* Collect new ports. */
2574 shash_init(&new_ports);
2575 for (i = 0; i < br->cfg->n_ports; i++) {
2576 const char *name = br->cfg->ports[i]->name;
2577 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2578 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2582 if (bridge_get_controllers(br, NULL)
2583 && !shash_find(&new_ports, br->name)) {
2584 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2585 br->name, br->name);
2587 ovsrec_interface_init(&br->synth_local_iface);
2588 ovsrec_port_init(&br->synth_local_port);
2590 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2591 br->synth_local_port.n_interfaces = 1;
2592 br->synth_local_port.name = br->name;
2594 br->synth_local_iface.name = br->name;
2595 br->synth_local_iface.type = "internal";
2597 br->synth_local_ifacep = &br->synth_local_iface;
2599 shash_add(&new_ports, br->name, &br->synth_local_port);
2602 if (splinter_vlans) {
2603 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2606 /* Get rid of deleted ports.
2607 * Get rid of deleted interfaces on ports that still exist. */
2608 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
2609 port->cfg = shash_find_data(&new_ports, port->name);
2613 port_del_ifaces(port);
2617 /* Update iface->cfg and iface->type in interfaces that still exist.
2618 * Add new interfaces to creation queue. */
2619 SHASH_FOR_EACH (port_node, &new_ports) {
2620 const struct ovsrec_port *port = port_node->data;
2623 for (i = 0; i < port->n_interfaces; i++) {
2624 const struct ovsrec_interface *cfg = port->interfaces[i];
2625 struct iface *iface = iface_lookup(br, cfg->name);
2626 const char *type = iface_get_type(cfg, br->cfg);
2631 } else if (!strcmp(type, "null")) {
2632 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2633 " may be removed in February 2013. Please email"
2634 " dev@openvswitch.org with concerns.",
2637 bridge_queue_if_cfg(br, cfg, port);
2642 shash_destroy(&new_ports);
2645 /* Initializes 'oc' appropriately as a management service controller for
2648 * The caller must free oc->target when it is no longer needed. */
2650 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2651 struct ofproto_controller *oc)
2653 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
2654 oc->max_backoff = 0;
2655 oc->probe_interval = 60;
2656 oc->band = OFPROTO_OUT_OF_BAND;
2658 oc->burst_limit = 0;
2659 oc->enable_async_msgs = true;
2662 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2664 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2665 struct ofproto_controller *oc)
2669 oc->target = c->target;
2670 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2671 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2672 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2673 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
2674 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2675 oc->burst_limit = (c->controller_burst_limit
2676 ? *c->controller_burst_limit : 0);
2677 oc->enable_async_msgs = (!c->enable_async_messages
2678 || *c->enable_async_messages);
2679 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2680 if (dscp < 0 || dscp > 63) {
2681 dscp = DSCP_DEFAULT;
2686 /* Configures the IP stack for 'br''s local interface properly according to the
2687 * configuration in 'c'. */
2689 bridge_configure_local_iface_netdev(struct bridge *br,
2690 struct ovsrec_controller *c)
2692 struct netdev *netdev;
2693 struct in_addr mask, gateway;
2695 struct iface *local_iface;
2698 /* If there's no local interface or no IP address, give up. */
2699 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
2700 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2704 /* Bring up the local interface. */
2705 netdev = local_iface->netdev;
2706 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2708 /* Configure the IP address and netmask. */
2709 if (!c->local_netmask
2710 || !inet_aton(c->local_netmask, &mask)
2712 mask.s_addr = guess_netmask(ip.s_addr);
2714 if (!netdev_set_in4(netdev, ip, mask)) {
2715 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
2716 br->name, IP_ARGS(ip.s_addr), IP_ARGS(mask.s_addr));
2719 /* Configure the default gateway. */
2720 if (c->local_gateway
2721 && inet_aton(c->local_gateway, &gateway)
2722 && gateway.s_addr) {
2723 if (!netdev_add_router(netdev, gateway)) {
2724 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
2725 br->name, IP_ARGS(gateway.s_addr));
2730 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2731 * in either string are treated as equal to any number of slashes in the other,
2732 * e.g. "x///y" is equal to "x/y".
2734 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
2735 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
2736 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
2737 * 'b' against a prefix of 'a'.
2740 equal_pathnames(const char *a, const char *b, size_t b_stoplen)
2742 const char *b_start = b;
2744 if (b - b_start >= b_stoplen) {
2746 } else if (*a != *b) {
2748 } else if (*a == '/') {
2749 a += strspn(a, "/");
2750 b += strspn(b, "/");
2751 } else if (*a == '\0') {
2761 bridge_configure_remotes(struct bridge *br,
2762 const struct sockaddr_in *managers, size_t n_managers)
2764 bool disable_in_band;
2766 struct ovsrec_controller **controllers;
2767 size_t n_controllers;
2769 enum ofproto_fail_mode fail_mode;
2771 struct ofproto_controller *ocs;
2775 /* Check if we should disable in-band control on this bridge. */
2776 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2779 /* Set OpenFlow queue ID for in-band control. */
2780 ofproto_set_in_band_queue(br->ofproto,
2781 smap_get_int(&br->cfg->other_config,
2782 "in-band-queue", -1));
2784 if (disable_in_band) {
2785 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2787 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2790 n_controllers = bridge_get_controllers(br, &controllers);
2792 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2795 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2796 for (i = 0; i < n_controllers; i++) {
2797 struct ovsrec_controller *c = controllers[i];
2799 if (!strncmp(c->target, "punix:", 6)
2800 || !strncmp(c->target, "unix:", 5)) {
2801 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2804 if (!strncmp(c->target, "unix:", 5)) {
2805 /* Connect to a listening socket */
2806 whitelist = xasprintf("unix:%s/", ovs_rundir());
2807 if (!equal_pathnames(c->target, whitelist,
2808 strlen(whitelist))) {
2809 VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket "
2810 "controller \"%s\" due to possibility for "
2811 "remote exploit. Instead, specify socket "
2812 "in whitelisted \"%s\" or connect to "
2813 "\"unix:%s/%s.mgmt\" (which is always "
2814 "available without special configuration).",
2815 br->name, c->target, whitelist,
2816 ovs_rundir(), br->name);
2821 whitelist = xasprintf("punix:%s/%s.controller",
2822 ovs_rundir(), br->name);
2823 if (!equal_pathnames(c->target, whitelist, SIZE_MAX)) {
2824 /* Prevent remote ovsdb-server users from accessing
2825 * arbitrary Unix domain sockets and overwriting arbitrary
2827 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2828 "controller \"%s\" due to possibility of "
2829 "overwriting local files. Instead, specify "
2830 "whitelisted \"%s\" or connect to "
2831 "\"unix:%s/%s.mgmt\" (which is always "
2832 "available without special configuration).",
2833 br->name, c->target, whitelist,
2834 ovs_rundir(), br->name);
2843 bridge_configure_local_iface_netdev(br, c);
2844 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2845 if (disable_in_band) {
2846 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
2851 ofproto_set_controllers(br->ofproto, ocs, n_ocs,
2852 bridge_get_allowed_versions(br));
2853 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2856 /* Set the fail-mode. */
2857 fail_mode = !br->cfg->fail_mode
2858 || !strcmp(br->cfg->fail_mode, "standalone")
2859 ? OFPROTO_FAIL_STANDALONE
2860 : OFPROTO_FAIL_SECURE;
2861 ofproto_set_fail_mode(br->ofproto, fail_mode);
2863 /* Configure OpenFlow controller connection snooping. */
2864 if (!ofproto_has_snoops(br->ofproto)) {
2868 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2869 ovs_rundir(), br->name));
2870 ofproto_set_snoops(br->ofproto, &snoops);
2871 sset_destroy(&snoops);
2876 bridge_configure_tables(struct bridge *br)
2878 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2882 n_tables = ofproto_get_n_tables(br->ofproto);
2884 for (i = 0; i < n_tables; i++) {
2885 struct ofproto_table_settings s;
2888 s.max_flows = UINT_MAX;
2892 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2893 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2896 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2897 s.max_flows = *cfg->flow_limit;
2899 if (cfg->overflow_policy
2900 && !strcmp(cfg->overflow_policy, "evict")) {
2903 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2904 for (k = 0; k < cfg->n_groups; k++) {
2905 const char *string = cfg->groups[k];
2908 msg = mf_parse_subfield__(&s.groups[k], &string);
2910 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2911 "'groups' (%s)", br->name, i, msg);
2913 } else if (*string) {
2914 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2915 "element '%s' contains trailing garbage",
2916 br->name, i, cfg->groups[k]);
2924 ofproto_configure_table(br->ofproto, i, &s);
2928 for (; j < br->cfg->n_flow_tables; j++) {
2929 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2930 "%"PRId64" not supported by this datapath", br->name,
2931 br->cfg->key_flow_tables[j]);
2936 bridge_configure_dp_desc(struct bridge *br)
2938 ofproto_set_dp_desc(br->ofproto,
2939 smap_get(&br->cfg->other_config, "dp-desc"));
2942 /* Port functions. */
2944 static struct port *
2945 port_create(struct bridge *br, const struct ovsrec_port *cfg)
2949 port = xzalloc(sizeof *port);
2951 port->name = xstrdup(cfg->name);
2953 list_init(&port->ifaces);
2955 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
2959 /* Deletes interfaces from 'port' that are no longer configured for it. */
2961 port_del_ifaces(struct port *port)
2963 struct iface *iface, *next;
2964 struct sset new_ifaces;
2967 /* Collect list of new interfaces. */
2968 sset_init(&new_ifaces);
2969 for (i = 0; i < port->cfg->n_interfaces; i++) {
2970 const char *name = port->cfg->interfaces[i]->name;
2971 const char *type = port->cfg->interfaces[i]->type;
2972 if (strcmp(type, "null")) {
2973 sset_add(&new_ifaces, name);
2977 /* Get rid of deleted interfaces. */
2978 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2979 if (!sset_contains(&new_ifaces, iface->name)) {
2980 iface_destroy(iface);
2984 sset_destroy(&new_ifaces);
2988 port_destroy(struct port *port)
2991 struct bridge *br = port->bridge;
2992 struct iface *iface, *next;
2995 ofproto_bundle_unregister(br->ofproto, port);
2998 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2999 iface_destroy(iface);
3002 hmap_remove(&br->ports, &port->hmap_node);
3008 static struct port *
3009 port_lookup(const struct bridge *br, const char *name)
3013 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
3015 if (!strcmp(port->name, name)) {
3023 enable_lacp(struct port *port, bool *activep)
3025 if (!port->cfg->lacp) {
3026 /* XXX when LACP implementation has been sufficiently tested, enable by
3027 * default and make active on bonded ports. */
3029 } else if (!strcmp(port->cfg->lacp, "off")) {
3031 } else if (!strcmp(port->cfg->lacp, "active")) {
3034 } else if (!strcmp(port->cfg->lacp, "passive")) {
3038 VLOG_WARN("port %s: unknown LACP mode %s",
3039 port->name, port->cfg->lacp);
3044 static struct lacp_settings *
3045 port_configure_lacp(struct port *port, struct lacp_settings *s)
3047 const char *lacp_time, *system_id;
3050 if (!enable_lacp(port, &s->active)) {
3054 s->name = port->name;
3056 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
3058 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3059 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3060 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3061 " address.", port->name, system_id);
3065 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3068 if (eth_addr_is_zero(s->id)) {
3069 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3073 /* Prefer bondable links if unspecified. */
3074 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3076 s->priority = (priority > 0 && priority <= UINT16_MAX
3078 : UINT16_MAX - !list_is_short(&port->ifaces));
3080 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3081 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3086 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3088 int priority, portid, key;
3090 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3091 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3093 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3095 if (portid <= 0 || portid > UINT16_MAX) {
3096 portid = iface->ofp_port;
3099 if (priority <= 0 || priority > UINT16_MAX) {
3100 priority = UINT16_MAX;
3103 if (key < 0 || key > UINT16_MAX) {
3107 s->name = iface->name;
3109 s->priority = priority;
3114 port_configure_bond(struct port *port, struct bond_settings *s,
3115 uint32_t *bond_stable_ids)
3117 const char *detect_s;
3118 struct iface *iface;
3119 int miimon_interval;
3122 s->name = port->name;
3124 if (port->cfg->bond_mode) {
3125 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3126 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3127 port->name, port->cfg->bond_mode,
3128 bond_mode_to_string(s->balance));
3131 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3133 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3134 * active-backup. At some point we should remove this warning. */
3135 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3136 " in previous versions, the default bond_mode was"
3137 " balance-slb", port->name,
3138 bond_mode_to_string(s->balance));
3140 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3141 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3142 "please use another bond type or disable flood_vlans",
3146 miimon_interval = smap_get_int(&port->cfg->other_config,
3147 "bond-miimon-interval", 0);
3148 if (miimon_interval <= 0) {
3149 miimon_interval = 200;
3152 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3153 if (!detect_s || !strcmp(detect_s, "carrier")) {
3154 miimon_interval = 0;
3155 } else if (strcmp(detect_s, "miimon")) {
3156 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3157 "defaulting to carrier", port->name, detect_s);
3158 miimon_interval = 0;
3161 s->up_delay = MAX(0, port->cfg->bond_updelay);
3162 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3163 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3164 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3165 "bond-rebalance-interval", 10000);
3166 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3167 s->rebalance_interval = 1000;
3170 s->fake_iface = port->cfg->bond_fake_iface;
3173 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3174 long long stable_id;
3176 stable_id = smap_get_int(&iface->cfg->other_config, "bond-stable-id",
3178 if (stable_id <= 0 || stable_id >= UINT32_MAX) {
3179 stable_id = iface->ofp_port;
3181 bond_stable_ids[i++] = stable_id;
3183 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3187 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3188 * instead of obtaining it from the database. */
3190 port_is_synthetic(const struct port *port)
3192 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3195 /* Interface functions. */
3198 iface_is_internal(const struct ovsrec_interface *iface,
3199 const struct ovsrec_bridge *br)
3201 /* The local port and "internal" ports are always "internal". */
3202 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
3205 /* Returns the correct network device type for interface 'iface' in bridge
3208 iface_get_type(const struct ovsrec_interface *iface,
3209 const struct ovsrec_bridge *br)
3213 /* The local port always has type "internal". Other ports take
3214 * their type from the database and default to "system" if none is
3216 if (iface_is_internal(iface, br)) {
3219 type = iface->type[0] ? iface->type : "system";
3222 return ofproto_port_open_type(br->datapath_type, type);
3226 iface_destroy(struct iface *iface)
3229 struct port *port = iface->port;
3230 struct bridge *br = port->bridge;
3232 if (br->ofproto && iface->ofp_port >= 0) {
3233 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3236 if (iface->ofp_port >= 0) {
3237 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3240 list_remove(&iface->port_elem);
3241 hmap_remove(&br->iface_by_name, &iface->name_node);
3243 netdev_close(iface->netdev);
3250 static struct iface *
3251 iface_lookup(const struct bridge *br, const char *name)
3253 struct iface *iface;
3255 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3256 &br->iface_by_name) {
3257 if (!strcmp(iface->name, name)) {
3265 static struct iface *
3266 iface_find(const char *name)
3268 const struct bridge *br;
3270 HMAP_FOR_EACH (br, node, &all_bridges) {
3271 struct iface *iface = iface_lookup(br, name);
3280 static struct if_cfg *
3281 if_cfg_lookup(const struct bridge *br, const char *name)
3283 struct if_cfg *if_cfg;
3285 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3287 if (!strcmp(if_cfg->cfg->name, name)) {
3295 static struct iface *
3296 iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
3298 struct iface *iface;
3300 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3301 hash_int(ofp_port, 0), &br->ifaces) {
3302 if (iface->ofp_port == ofp_port) {
3309 /* Set Ethernet address of 'iface', if one is specified in the configuration
3312 iface_set_mac(struct iface *iface)
3314 uint8_t ea[ETH_ADDR_LEN];
3316 if (!strcmp(iface->type, "internal")
3317 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3318 if (iface->ofp_port == OFPP_LOCAL) {
3319 VLOG_ERR("interface %s: ignoring mac in Interface record "
3320 "(use Bridge record to set local port's mac)",
3322 } else if (eth_addr_is_multicast(ea)) {
3323 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3326 int error = netdev_set_etheraddr(iface->netdev, ea);
3328 VLOG_ERR("interface %s: setting MAC failed (%s)",
3329 iface->name, strerror(error));
3335 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3337 iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3339 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3340 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3344 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3345 * sets the "ofport" field to -1.
3347 * This is appropriate when 'if_cfg''s interface cannot be created or is
3348 * otherwise invalid. */
3350 iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3352 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3353 ovsrec_interface_set_status(if_cfg, NULL);
3354 ovsrec_interface_set_admin_state(if_cfg, NULL);
3355 ovsrec_interface_set_duplex(if_cfg, NULL);
3356 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3357 ovsrec_interface_set_link_state(if_cfg, NULL);
3358 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3359 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3360 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3361 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3362 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3363 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3367 struct iface_delete_queues_cbdata {
3368 struct netdev *netdev;
3369 const struct ovsdb_datum *queues;
3373 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3375 union ovsdb_atom atom;
3377 atom.integer = target;
3378 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
3382 iface_delete_queues(unsigned int queue_id,
3383 const struct smap *details OVS_UNUSED, void *cbdata_)
3385 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3387 if (!queue_ids_include(cbdata->queues, queue_id)) {
3388 netdev_delete_queue(cbdata->netdev, queue_id);
3393 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
3395 struct ofpbuf queues_buf;
3397 ofpbuf_init(&queues_buf, 0);
3399 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
3400 netdev_set_qos(iface->netdev, NULL, NULL);
3402 struct iface_delete_queues_cbdata cbdata;
3406 /* Configure top-level Qos for 'iface'. */
3407 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
3409 /* Deconfigure queues that were deleted. */
3410 cbdata.netdev = iface->netdev;
3411 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3413 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3415 /* Configure queues for 'iface'. */
3417 for (i = 0; i < qos->n_queues; i++) {
3418 const struct ovsrec_queue *queue = qos->value_queues[i];
3419 unsigned int queue_id = qos->key_queues[i];
3421 if (queue_id == 0) {
3425 if (queue->n_dscp == 1) {
3426 struct ofproto_port_queue *port_queue;
3428 port_queue = ofpbuf_put_uninit(&queues_buf,
3429 sizeof *port_queue);
3430 port_queue->queue = queue_id;
3431 port_queue->dscp = queue->dscp[0];
3434 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
3437 struct smap details;
3439 smap_init(&details);
3440 netdev_set_queue(iface->netdev, 0, &details);
3441 smap_destroy(&details);
3445 if (iface->ofp_port >= 0) {
3446 const struct ofproto_port_queue *port_queues = queues_buf.data;
3447 size_t n_queues = queues_buf.size / sizeof *port_queues;
3449 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3450 port_queues, n_queues);
3453 netdev_set_policing(iface->netdev,
3454 iface->cfg->ingress_policing_rate,
3455 iface->cfg->ingress_policing_burst);
3457 ofpbuf_uninit(&queues_buf);
3461 iface_configure_cfm(struct iface *iface)
3463 const struct ovsrec_interface *cfg = iface->cfg;
3464 const char *opstate_str;
3465 const char *cfm_ccm_vlan;
3466 struct cfm_settings s;
3467 struct smap netdev_args;
3469 if (!cfg->n_cfm_mpid) {
3470 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
3474 s.check_tnl_key = false;
3475 smap_init(&netdev_args);
3476 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3477 const char *key = smap_get(&netdev_args, "key");
3478 const char *in_key = smap_get(&netdev_args, "in_key");
3480 s.check_tnl_key = (key && !strcmp(key, "flow"))
3481 || (in_key && !strcmp(in_key, "flow"));
3483 smap_destroy(&netdev_args);
3485 s.mpid = *cfg->cfm_mpid;
3486 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3487 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3488 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3490 if (s.interval <= 0) {
3494 if (!cfm_ccm_vlan) {
3496 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
3497 s.ccm_vlan = CFM_RANDOM_VLAN;
3499 s.ccm_vlan = atoi(cfm_ccm_vlan);
3500 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3505 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3508 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3509 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
3511 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
3514 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3515 * instead of obtaining it from the database. */
3517 iface_is_synthetic(const struct iface *iface)
3519 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3523 iface_pick_ofport(const struct ovsrec_interface *cfg)
3525 int64_t ofport = cfg->n_ofport ? *cfg->ofport : OFPP_NONE;
3526 return cfg->n_ofport_request ? *cfg->ofport_request : ofport;
3530 /* Port mirroring. */
3532 static struct mirror *
3533 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3537 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3538 if (uuid_equals(uuid, &m->uuid)) {
3546 bridge_configure_mirrors(struct bridge *br)
3548 const struct ovsdb_datum *mc;
3549 unsigned long *flood_vlans;
3550 struct mirror *m, *next;
3553 /* Get rid of deleted mirrors. */
3554 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3555 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3556 union ovsdb_atom atom;
3558 atom.uuid = m->uuid;
3559 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3564 /* Add new mirrors and reconfigure existing ones. */
3565 for (i = 0; i < br->cfg->n_mirrors; i++) {
3566 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
3567 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
3569 m = mirror_create(br, cfg);
3572 if (!mirror_configure(m)) {
3577 /* Update flooded vlans (for RSPAN). */
3578 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3579 br->cfg->n_flood_vlans);
3580 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3581 bitmap_free(flood_vlans);
3584 static struct mirror *
3585 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
3589 m = xzalloc(sizeof *m);
3590 m->uuid = cfg->header_.uuid;
3591 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
3593 m->name = xstrdup(cfg->name);
3599 mirror_destroy(struct mirror *m)
3602 struct bridge *br = m->bridge;
3605 ofproto_mirror_unregister(br->ofproto, m);
3608 hmap_remove(&br->mirrors, &m->hmap_node);
3615 mirror_collect_ports(struct mirror *m,
3616 struct ovsrec_port **in_ports, int n_in_ports,
3617 void ***out_portsp, size_t *n_out_portsp)
3619 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3620 size_t n_out_ports = 0;
3623 for (i = 0; i < n_in_ports; i++) {
3624 const char *name = in_ports[i]->name;
3625 struct port *port = port_lookup(m->bridge, name);
3627 out_ports[n_out_ports++] = port;
3629 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3630 "port %s", m->bridge->name, m->name, name);
3633 *out_portsp = out_ports;
3634 *n_out_portsp = n_out_ports;
3638 mirror_configure(struct mirror *m)
3640 const struct ovsrec_mirror *cfg = m->cfg;
3641 struct ofproto_mirror_settings s;
3644 if (strcmp(cfg->name, m->name)) {
3646 m->name = xstrdup(cfg->name);
3650 /* Get output port or VLAN. */
3651 if (cfg->output_port) {
3652 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
3653 if (!s.out_bundle) {
3654 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3655 m->bridge->name, m->name);
3658 s.out_vlan = UINT16_MAX;
3660 if (cfg->output_vlan) {
3661 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3662 "output vlan; ignoring output vlan",
3663 m->bridge->name, m->name);
3665 } else if (cfg->output_vlan) {
3666 /* The database should prevent invalid VLAN values. */
3667 s.out_bundle = NULL;
3668 s.out_vlan = *cfg->output_vlan;
3670 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3671 m->bridge->name, m->name);
3675 /* Get port selection. */
3676 if (cfg->select_all) {
3677 size_t n_ports = hmap_count(&m->bridge->ports);
3678 void **ports = xmalloc(n_ports * sizeof *ports);
3683 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
3693 /* Get ports, dropping ports that don't exist.
3694 * The IDL ensures that there are no duplicates. */
3695 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
3696 &s.srcs, &s.n_srcs);
3697 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
3698 &s.dsts, &s.n_dsts);
3701 /* Get VLAN selection. */
3702 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3705 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3708 if (s.srcs != s.dsts) {
3717 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3719 * This is deprecated. It is only for compatibility with broken device drivers
3720 * in old versions of Linux that do not properly support VLANs when VLAN
3721 * devices are not used. When broken device drivers are no longer in
3722 * widespread use, we will delete these interfaces. */
3724 static struct ovsrec_port **recs;
3725 static size_t n_recs, allocated_recs;
3727 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3728 * splinters are reconfigured. */
3730 register_rec(struct ovsrec_port *rec)
3732 if (n_recs >= allocated_recs) {
3733 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
3735 recs[n_recs++] = rec;
3738 /* Frees all of the ports registered with register_reg(). */
3740 free_registered_recs(void)
3744 for (i = 0; i < n_recs; i++) {
3745 struct ovsrec_port *port = recs[i];
3748 for (j = 0; j < port->n_interfaces; j++) {
3749 struct ovsrec_interface *iface = port->interfaces[j];
3754 smap_destroy(&port->other_config);
3755 free(port->interfaces);
3763 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3766 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3768 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3772 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3775 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3776 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3777 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3780 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3781 * use, returns NULL.
3783 * Updates 'vlan_splinters_enabled_anywhere'. */
3784 static unsigned long int *
3785 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3787 unsigned long int *splinter_vlans;
3788 struct sset splinter_ifaces;
3789 const char *real_dev_name;
3790 struct shash *real_devs;
3791 struct shash_node *node;
3795 /* Free space allocated for synthesized ports and interfaces, since we're
3796 * in the process of reconstructing all of them. */
3797 free_registered_recs();
3799 splinter_vlans = bitmap_allocate(4096);
3800 sset_init(&splinter_ifaces);
3801 vlan_splinters_enabled_anywhere = false;
3802 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3803 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3806 for (j = 0; j < br_cfg->n_ports; j++) {
3807 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3810 for (k = 0; k < port_cfg->n_interfaces; k++) {
3811 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3813 if (vlan_splinters_is_enabled(iface_cfg)) {
3814 vlan_splinters_enabled_anywhere = true;
3815 sset_add(&splinter_ifaces, iface_cfg->name);
3816 vlan_bitmap_from_array__(port_cfg->trunks,
3822 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3823 bitmap_set1(splinter_vlans, *port_cfg->tag);
3828 if (!vlan_splinters_enabled_anywhere) {
3829 free(splinter_vlans);
3830 sset_destroy(&splinter_ifaces);
3834 HMAP_FOR_EACH (br, node, &all_bridges) {
3836 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3840 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3841 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3842 * device to be created for it. */
3843 bitmap_set0(splinter_vlans, 0);
3844 bitmap_set0(splinter_vlans, 4095);
3846 /* Delete all VLAN devices that we don't need. */
3848 real_devs = vlandev_get_real_devs();
3849 SHASH_FOR_EACH (node, real_devs) {
3850 const struct vlan_real_dev *real_dev = node->data;
3851 const struct vlan_dev *vlan_dev;
3852 bool real_dev_has_splinters;
3854 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3856 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3857 if (!real_dev_has_splinters
3858 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3859 struct netdev *netdev;
3861 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3862 if (!netdev_get_in4(netdev, NULL, NULL) ||
3863 !netdev_get_in6(netdev, NULL)) {
3864 vlandev_del(vlan_dev->name);
3866 /* It has an IP address configured, so we don't own
3867 * it. Don't delete it. */
3869 netdev_close(netdev);
3876 /* Add all VLAN devices that we need. */
3877 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3880 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3881 if (!vlandev_get_name(real_dev_name, vid)) {
3882 vlandev_add(real_dev_name, vid);
3889 sset_destroy(&splinter_ifaces);
3891 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3892 free(splinter_vlans);
3895 return splinter_vlans;
3898 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3901 configure_splinter_port(struct port *port)
3903 struct ofproto *ofproto = port->bridge->ofproto;
3904 uint16_t realdev_ofp_port;
3905 const char *realdev_name;
3906 struct iface *vlandev, *realdev;
3908 ofproto_bundle_unregister(port->bridge->ofproto, port);
3910 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3913 realdev_name = smap_get(&port->cfg->other_config, "realdev");
3914 realdev = iface_lookup(port->bridge, realdev_name);
3915 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3917 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3921 static struct ovsrec_port *
3922 synthesize_splinter_port(const char *real_dev_name,
3923 const char *vlan_dev_name, int vid)
3925 struct ovsrec_interface *iface;
3926 struct ovsrec_port *port;
3928 iface = xmalloc(sizeof *iface);
3929 ovsrec_interface_init(iface);
3930 iface->name = xstrdup(vlan_dev_name);
3931 iface->type = "system";
3933 port = xmalloc(sizeof *port);
3934 ovsrec_port_init(port);
3935 port->interfaces = xmemdup(&iface, sizeof iface);
3936 port->n_interfaces = 1;
3937 port->name = xstrdup(vlan_dev_name);
3938 port->vlan_mode = "splinter";
3939 port->tag = xmalloc(sizeof *port->tag);
3942 smap_add(&port->other_config, "realdev", real_dev_name);
3948 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3949 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3950 * 1-bit in the 'splinter_vlans' bitmap. */
3952 add_vlan_splinter_ports(struct bridge *br,
3953 const unsigned long int *splinter_vlans,
3954 struct shash *ports)
3958 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3959 * we're modifying 'ports'. */
3960 for (i = 0; i < br->cfg->n_ports; i++) {
3961 const char *name = br->cfg->ports[i]->name;
3962 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3965 for (j = 0; j < port_cfg->n_interfaces; j++) {
3966 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3968 if (vlan_splinters_is_enabled(iface_cfg)) {
3969 const char *real_dev_name;
3972 real_dev_name = iface_cfg->name;
3973 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3974 const char *vlan_dev_name;
3976 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3978 && !shash_find(ports, vlan_dev_name)) {
3979 shash_add(ports, vlan_dev_name,
3980 synthesize_splinter_port(
3981 real_dev_name, vlan_dev_name, vid));
3990 mirror_refresh_stats(struct mirror *m)
3992 struct ofproto *ofproto = m->bridge->ofproto;
3993 uint64_t tx_packets, tx_bytes;
3996 size_t stat_cnt = 0;
3998 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3999 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
4003 if (tx_packets != UINT64_MAX) {
4004 keys[stat_cnt] = "tx_packets";
4005 values[stat_cnt] = tx_packets;
4008 if (tx_bytes != UINT64_MAX) {
4009 keys[stat_cnt] = "tx_bytes";
4010 values[stat_cnt] = tx_bytes;
4014 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);