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 static bool port_is_synthetic(const struct port *);
218 static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
219 static void run_system_stats(void);
221 static void bridge_configure_mirrors(struct bridge *);
222 static struct mirror *mirror_create(struct bridge *,
223 const struct ovsrec_mirror *);
224 static void mirror_destroy(struct mirror *);
225 static bool mirror_configure(struct mirror *);
226 static void mirror_refresh_stats(struct mirror *);
228 static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
229 static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port);
230 static bool iface_is_internal(const struct ovsrec_interface *iface,
231 const struct ovsrec_bridge *br);
232 static const char *iface_get_type(const struct ovsrec_interface *,
233 const struct ovsrec_bridge *);
234 static void iface_destroy(struct iface *);
235 static struct iface *iface_lookup(const struct bridge *, const char *name);
236 static struct iface *iface_find(const char *name);
237 static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
238 static struct iface *iface_from_ofp_port(const struct bridge *,
240 static void iface_set_mac(struct iface *);
241 static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
242 static void iface_clear_db_record(const struct ovsrec_interface *if_cfg);
243 static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
244 static void iface_configure_cfm(struct iface *);
245 static void iface_refresh_cfm_stats(struct iface *);
246 static void iface_refresh_stats(struct iface *);
247 static void iface_refresh_status(struct iface *);
248 static bool iface_is_synthetic(const struct iface *);
249 static int64_t iface_pick_ofport(const struct ovsrec_interface *);
251 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
253 * This is deprecated. It is only for compatibility with broken device drivers
254 * in old versions of Linux that do not properly support VLANs when VLAN
255 * devices are not used. When broken device drivers are no longer in
256 * widespread use, we will delete these interfaces. */
258 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
259 static bool vlan_splinters_enabled_anywhere;
261 static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
262 static unsigned long int *collect_splinter_vlans(
263 const struct ovsrec_open_vswitch *);
264 static void configure_splinter_port(struct port *);
265 static void add_vlan_splinter_ports(struct bridge *,
266 const unsigned long int *splinter_vlans,
267 struct shash *ports);
270 bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
272 struct shash iface_hints;
273 static bool initialized = false;
280 shash_init(&iface_hints);
283 for (i = 0; i < cfg->n_bridges; i++) {
284 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
287 for (j = 0; j < br_cfg->n_ports; j++) {
288 struct ovsrec_port *port_cfg = br_cfg->ports[j];
291 for (k = 0; k < port_cfg->n_interfaces; k++) {
292 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
293 struct iface_hint *iface_hint;
295 iface_hint = xmalloc(sizeof *iface_hint);
296 iface_hint->br_name = br_cfg->name;
297 iface_hint->br_type = br_cfg->datapath_type;
298 iface_hint->ofp_port = iface_pick_ofport(if_cfg);
300 shash_add(&iface_hints, if_cfg->name, iface_hint);
306 ofproto_init(&iface_hints);
308 shash_destroy_free_data(&iface_hints);
312 /* Public functions. */
314 /* Initializes the bridge module, configuring it to obtain its configuration
315 * from an OVSDB server accessed over 'remote', which should be a string in a
316 * form acceptable to ovsdb_idl_create(). */
318 bridge_init(const char *remote)
320 /* Create connection to database. */
321 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
322 idl_seqno = ovsdb_idl_get_seqno(idl);
323 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
324 ovsdb_idl_verify_write_only(idl);
326 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
327 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
328 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
329 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
330 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
331 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
332 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
334 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
335 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
336 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
338 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
339 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
340 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
341 ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
343 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
344 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
345 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
346 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
347 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
348 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
349 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
350 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
351 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
352 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
353 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
354 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
355 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
356 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
357 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
358 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
360 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
361 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
362 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
363 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
365 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
367 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
369 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
370 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
372 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
374 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
376 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
377 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
378 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
379 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
380 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
382 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
384 /* Register unixctl commands. */
385 unixctl_command_register("qos/show", "interface", 1, 1,
386 qos_unixctl_show, NULL);
387 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
388 bridge_unixctl_dump_flows, NULL);
389 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
390 bridge_unixctl_reconnect, NULL);
400 struct bridge *br, *next_br;
402 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
405 ovsdb_idl_destroy(idl);
408 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
409 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
410 * responsible for freeing '*managersp' (with free()).
412 * You may be asking yourself "why does ovs-vswitchd care?", because
413 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
414 * should not be and in fact is not directly involved in that. But
415 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
416 * it has to tell in-band control where the managers are to enable that.
417 * (Thus, only managers connected in-band are collected.)
420 collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
421 struct sockaddr_in **managersp, size_t *n_managersp)
423 struct sockaddr_in *managers = NULL;
424 size_t n_managers = 0;
428 /* Collect all of the potential targets from the "targets" columns of the
429 * rows pointed to by "manager_options", excluding any that are
432 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
433 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
435 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
436 sset_find_and_delete(&targets, m->target);
438 sset_add(&targets, m->target);
442 /* Now extract the targets' IP addresses. */
443 if (!sset_is_empty(&targets)) {
446 managers = xmalloc(sset_count(&targets) * sizeof *managers);
447 SSET_FOR_EACH (target, &targets) {
448 struct sockaddr_in *sin = &managers[n_managers];
450 if (stream_parse_target_with_default_ports(target,
458 sset_destroy(&targets);
460 *managersp = managers;
461 *n_managersp = n_managers;
465 bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
467 unsigned long int *splinter_vlans;
470 COVERAGE_INC(bridge_reconfigure);
472 ovs_assert(!reconfiguring);
473 reconfiguring = true;
475 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
476 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
477 * configuration otherwise.
479 * This is mostly an update to bridge data structures. Nothing is pushed
480 * down to ofproto or lower layers. */
481 add_del_bridges(ovs_cfg);
482 splinter_vlans = collect_splinter_vlans(ovs_cfg);
483 HMAP_FOR_EACH (br, node, &all_bridges) {
484 bridge_add_del_ports(br, splinter_vlans);
486 free(splinter_vlans);
488 /* Delete datapaths that are no longer configured, and create ones which
489 * don't exist but should. */
490 bridge_update_ofprotos();
492 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
493 HMAP_FOR_EACH (br, node, &all_bridges) {
494 bridge_refresh_ofp_port(br);
497 /* Clear database records for "if_cfg"s which haven't been instantiated. */
498 HMAP_FOR_EACH (br, node, &all_bridges) {
499 struct if_cfg *if_cfg;
501 HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
502 iface_clear_db_record(if_cfg->cfg);
506 reconfigure_system_stats(ovs_cfg);
510 bridge_reconfigure_ofp(void)
512 long long int deadline;
516 deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
518 /* The kernel will reject any attempt to add a given port to a datapath if
519 * that port already belongs to a different datapath, so we must do all
520 * port deletions before any port additions. */
521 HMAP_FOR_EACH (br, node, &all_bridges) {
522 struct ofpp_garbage *garbage, *next;
524 LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
525 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
526 * internal datastructures may not be consistent. Eventually, when
527 * port additions and deletions are cheaper, these calls should be
530 ofproto_port_del(br->ofproto, garbage->ofp_port);
531 list_remove(&garbage->list_node);
535 if (time_msec() >= deadline) {
542 HMAP_FOR_EACH (br, node, &all_bridges) {
543 struct if_cfg *if_cfg, *next;
545 HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
546 iface_create(br, if_cfg, -1);
548 if (time_msec() >= deadline) {
558 bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
560 struct sockaddr_in *managers;
561 int sflow_bridge_number;
566 ovs_assert(reconfiguring);
567 done = bridge_reconfigure_ofp();
569 /* Complete the configuration. */
570 sflow_bridge_number = 0;
571 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
572 HMAP_FOR_EACH (br, node, &all_bridges) {
575 /* We need the datapath ID early to allow LACP ports to use it as the
576 * default system ID. */
577 bridge_configure_datapath_id(br);
579 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
582 port_configure(port);
584 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
585 iface_configure_cfm(iface);
586 iface_configure_qos(iface, port->cfg->qos);
587 iface_set_mac(iface);
590 bridge_configure_mirrors(br);
591 bridge_configure_flow_eviction_threshold(br);
592 bridge_configure_forward_bpdu(br);
593 bridge_configure_mac_table(br);
594 bridge_configure_remotes(br, managers, n_managers);
595 bridge_configure_netflow(br);
596 bridge_configure_sflow(br, &sflow_bridge_number);
597 bridge_configure_stp(br);
598 bridge_configure_tables(br);
599 bridge_configure_dp_desc(br);
604 /* ovs-vswitchd has completed initialization, so allow the process that
605 * forked us to exit successfully. */
606 daemonize_complete();
607 reconfiguring = false;
609 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name, VERSION);
615 /* Delete ofprotos which aren't configured or have the wrong type. Create
616 * ofprotos which don't exist but need to. */
618 bridge_update_ofprotos(void)
620 struct bridge *br, *next;
625 /* Delete ofprotos with no bridge or with the wrong type. */
628 ofproto_enumerate_types(&types);
629 SSET_FOR_EACH (type, &types) {
632 ofproto_enumerate_names(type, &names);
633 SSET_FOR_EACH (name, &names) {
634 br = bridge_lookup(name);
635 if (!br || strcmp(type, br->type)) {
636 ofproto_delete(name, type);
640 sset_destroy(&names);
641 sset_destroy(&types);
643 /* Add ofprotos for bridges which don't have one yet. */
644 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
652 /* Remove ports from any datapath with the same name as 'br'. If we
653 * don't do this, creating 'br''s ofproto will fail because a port with
654 * the same name as its local port already exists. */
655 HMAP_FOR_EACH (br2, node, &all_bridges) {
656 struct ofproto_port ofproto_port;
662 if (!ofproto_port_query_by_name(br2->ofproto, br->name,
664 error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
666 VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
669 ofproto_port_destroy(&ofproto_port);
673 error = ofproto_create(br->name, br->type, &br->ofproto);
675 VLOG_ERR("failed to create bridge %s: %s", br->name,
683 port_configure(struct port *port)
685 const struct ovsrec_port *cfg = port->cfg;
686 struct bond_settings bond_settings;
687 struct lacp_settings lacp_settings;
688 struct ofproto_bundle_settings s;
691 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
692 configure_splinter_port(port);
701 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
702 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
703 s.slaves[s.n_slaves++] = iface->ofp_port;
708 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
712 /* Get VLAN trunks. */
715 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
719 if (cfg->vlan_mode) {
720 if (!strcmp(cfg->vlan_mode, "access")) {
721 s.vlan_mode = PORT_VLAN_ACCESS;
722 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
723 s.vlan_mode = PORT_VLAN_TRUNK;
724 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
725 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
726 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
727 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
729 /* This "can't happen" because ovsdb-server should prevent it. */
730 VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode);
731 s.vlan_mode = PORT_VLAN_TRUNK;
735 s.vlan_mode = PORT_VLAN_ACCESS;
737 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
741 s.vlan_mode = PORT_VLAN_TRUNK;
744 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
747 /* Get LACP settings. */
748 s.lacp = port_configure_lacp(port, &lacp_settings);
752 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
753 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
754 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
757 s.lacp_slaves = NULL;
760 /* Get bond settings. */
761 if (s.n_slaves > 1) {
762 s.bond = &bond_settings;
763 port_configure_bond(port, &bond_settings);
766 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
767 netdev_set_miimon_interval(iface->netdev, 0);
772 ofproto_bundle_register(port->bridge->ofproto, port, &s);
780 /* Pick local port hardware address and datapath ID for 'br'. */
782 bridge_configure_datapath_id(struct bridge *br)
784 uint8_t ea[ETH_ADDR_LEN];
786 struct iface *local_iface;
787 struct iface *hw_addr_iface;
790 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
791 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
793 int error = netdev_set_etheraddr(local_iface->netdev, ea);
795 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
796 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
797 "Ethernet address: %s",
798 br->name, strerror(error));
801 memcpy(br->ea, ea, ETH_ADDR_LEN);
803 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
804 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
805 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
806 ofproto_set_datapath_id(br->ofproto, dpid);
809 dpid_string = xasprintf("%016"PRIx64, dpid);
810 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
814 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
817 bridge_get_allowed_versions(struct bridge *br)
819 if (!br->cfg->n_protocols)
822 return ofputil_versions_from_strings(br->cfg->protocols,
823 br->cfg->n_protocols);
826 /* Set NetFlow configuration on 'br'. */
828 bridge_configure_netflow(struct bridge *br)
830 struct ovsrec_netflow *cfg = br->cfg->netflow;
831 struct netflow_options opts;
834 ofproto_set_netflow(br->ofproto, NULL);
838 memset(&opts, 0, sizeof opts);
840 /* Get default NetFlow configuration from datapath.
841 * Apply overrides from 'cfg'. */
842 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
843 if (cfg->engine_type) {
844 opts.engine_type = *cfg->engine_type;
846 if (cfg->engine_id) {
847 opts.engine_id = *cfg->engine_id;
850 /* Configure active timeout interval. */
851 opts.active_timeout = cfg->active_timeout;
852 if (!opts.active_timeout) {
853 opts.active_timeout = -1;
854 } else if (opts.active_timeout < 0) {
855 VLOG_WARN("bridge %s: active timeout interval set to negative "
856 "value, using default instead (%d seconds)", br->name,
857 NF_ACTIVE_TIMEOUT_DEFAULT);
858 opts.active_timeout = -1;
861 /* Add engine ID to interface number to disambiguate bridgs? */
862 opts.add_id_to_iface = cfg->add_id_to_interface;
863 if (opts.add_id_to_iface) {
864 if (opts.engine_id > 0x7f) {
865 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
866 "another vswitch, choose an engine id less than 128",
869 if (hmap_count(&br->ports) > 508) {
870 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
871 "another port when more than 508 ports are used",
877 sset_init(&opts.collectors);
878 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
881 if (ofproto_set_netflow(br->ofproto, &opts)) {
882 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
884 sset_destroy(&opts.collectors);
887 /* Set sFlow configuration on 'br'. */
889 bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
891 const struct ovsrec_sflow *cfg = br->cfg->sflow;
892 struct ovsrec_controller **controllers;
893 struct ofproto_sflow_options oso;
894 size_t n_controllers;
898 ofproto_set_sflow(br->ofproto, NULL);
902 memset(&oso, 0, sizeof oso);
904 sset_init(&oso.targets);
905 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
907 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
909 oso.sampling_rate = *cfg->sampling;
912 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
914 oso.polling_interval = *cfg->polling;
917 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
919 oso.header_len = *cfg->header;
922 oso.sub_id = (*sflow_bridge_number)++;
923 oso.agent_device = cfg->agent;
925 oso.control_ip = NULL;
926 n_controllers = bridge_get_controllers(br, &controllers);
927 for (i = 0; i < n_controllers; i++) {
928 if (controllers[i]->local_ip) {
929 oso.control_ip = controllers[i]->local_ip;
933 ofproto_set_sflow(br->ofproto, &oso);
935 sset_destroy(&oso.targets);
939 port_configure_stp(const struct ofproto *ofproto, struct port *port,
940 struct ofproto_port_stp_settings *port_s,
941 int *port_num_counter, unsigned long *port_num_bitmap)
943 const char *config_str;
946 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
947 port_s->enable = false;
950 port_s->enable = true;
953 /* STP over bonds is not supported. */
954 if (!list_is_singleton(&port->ifaces)) {
955 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
957 port_s->enable = false;
961 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
963 /* Internal ports shouldn't participate in spanning tree, so
965 if (!strcmp(iface->type, "internal")) {
966 VLOG_DBG("port %s: disable STP on internal ports", port->name);
967 port_s->enable = false;
971 /* STP on mirror output ports is not supported. */
972 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
973 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
974 port_s->enable = false;
978 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
980 unsigned long int port_num = strtoul(config_str, NULL, 0);
981 int port_idx = port_num - 1;
983 if (port_num < 1 || port_num > STP_MAX_PORTS) {
984 VLOG_ERR("port %s: invalid stp-port-num", port->name);
985 port_s->enable = false;
989 if (bitmap_is_set(port_num_bitmap, port_idx)) {
990 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
991 port->name, port_num);
992 port_s->enable = false;
995 bitmap_set1(port_num_bitmap, port_idx);
996 port_s->port_num = port_idx;
998 if (*port_num_counter >= STP_MAX_PORTS) {
999 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
1000 port_s->enable = false;
1004 port_s->port_num = (*port_num_counter)++;
1007 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
1009 port_s->path_cost = strtoul(config_str, NULL, 10);
1011 enum netdev_features current;
1014 netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1015 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1016 port_s->path_cost = stp_convert_speed_to_cost(mbps);
1019 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
1021 port_s->priority = strtoul(config_str, NULL, 0);
1023 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1027 /* Set spanning tree configuration on 'br'. */
1029 bridge_configure_stp(struct bridge *br)
1031 if (!br->cfg->stp_enable) {
1032 ofproto_set_stp(br->ofproto, NULL);
1034 struct ofproto_stp_settings br_s;
1035 const char *config_str;
1037 int port_num_counter;
1038 unsigned long *port_num_bitmap;
1040 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
1042 uint8_t ea[ETH_ADDR_LEN];
1044 if (eth_addr_from_string(config_str, ea)) {
1045 br_s.system_id = eth_addr_to_uint64(ea);
1047 br_s.system_id = eth_addr_to_uint64(br->ea);
1048 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1049 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1052 br_s.system_id = eth_addr_to_uint64(br->ea);
1055 config_str = smap_get(&br->cfg->other_config, "stp-priority");
1057 br_s.priority = strtoul(config_str, NULL, 0);
1059 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1062 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
1064 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1066 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1069 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
1071 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1073 br_s.max_age = STP_DEFAULT_MAX_AGE;
1076 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
1078 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1080 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1083 /* Configure STP on the bridge. */
1084 if (ofproto_set_stp(br->ofproto, &br_s)) {
1085 VLOG_ERR("bridge %s: could not enable STP", br->name);
1089 /* Users must either set the port number with the "stp-port-num"
1090 * configuration on all ports or none. If manual configuration
1091 * is not done, then we allocate them sequentially. */
1092 port_num_counter = 0;
1093 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1094 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1095 struct ofproto_port_stp_settings port_s;
1096 struct iface *iface;
1098 port_configure_stp(br->ofproto, port, &port_s,
1099 &port_num_counter, port_num_bitmap);
1101 /* As bonds are not supported, just apply configuration to
1102 * all interfaces. */
1103 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1104 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1106 VLOG_ERR("port %s: could not enable STP", port->name);
1112 if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1113 && port_num_counter) {
1114 VLOG_ERR("bridge %s: must manually configure all STP port "
1115 "IDs or none, disabling", br->name);
1116 ofproto_set_stp(br->ofproto, NULL);
1118 bitmap_free(port_num_bitmap);
1123 bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1125 const struct port *port = port_lookup(br, name);
1126 return port && port_is_bond_fake_iface(port);
1130 port_is_bond_fake_iface(const struct port *port)
1132 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1136 add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1138 struct bridge *br, *next;
1139 struct shash new_br;
1142 /* Collect new bridges' names and types. */
1143 shash_init(&new_br);
1144 for (i = 0; i < cfg->n_bridges; i++) {
1145 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
1146 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1148 if (strchr(br_cfg->name, '/')) {
1149 /* Prevent remote ovsdb-server users from accessing arbitrary
1150 * directories, e.g. consider a bridge named "../../../etc/". */
1151 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1153 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1154 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
1158 /* Get rid of deleted bridges or those whose types have changed.
1159 * Update 'cfg' of bridges that still exist. */
1160 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1161 br->cfg = shash_find_data(&new_br, br->name);
1162 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1163 br->cfg->datapath_type))) {
1168 /* Add new bridges. */
1169 for (i = 0; i < cfg->n_bridges; i++) {
1170 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1171 struct bridge *br = bridge_lookup(br_cfg->name);
1173 bridge_create(br_cfg);
1177 shash_destroy(&new_br);
1181 iface_set_ofp_port(struct iface *iface, int ofp_port)
1183 struct bridge *br = iface->port->bridge;
1185 ovs_assert(iface->ofp_port < 0 && ofp_port >= 0);
1186 iface->ofp_port = ofp_port;
1187 hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
1188 iface_set_ofport(iface->cfg, ofp_port);
1191 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1192 * Returns 0 if successful, otherwise a positive errno value. */
1194 iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1195 struct netdev *netdev)
1199 error = netdev_set_config(netdev, &iface_cfg->options);
1201 VLOG_WARN("could not configure network device %s (%s)",
1202 iface_cfg->name, strerror(error));
1207 /* This function determines whether 'ofproto_port', which is attached to
1208 * br->ofproto's datapath, is one that we want in 'br'.
1210 * If it is, it returns true, after creating an iface (if necessary),
1211 * configuring the iface's netdev according to the iface's options, and setting
1212 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1214 * If, on the other hand, 'port' should be removed, it returns false. The
1215 * caller should later detach the port from br->ofproto. */
1217 bridge_refresh_one_ofp_port(struct bridge *br,
1218 const struct ofproto_port *ofproto_port)
1220 const char *name = ofproto_port->name;
1221 const char *type = ofproto_port->type;
1222 uint16_t ofp_port = ofproto_port->ofp_port;
1224 struct iface *iface = iface_lookup(br, name);
1226 /* Check that the name-to-number mapping is one-to-one. */
1227 if (iface->ofp_port >= 0) {
1228 VLOG_WARN("bridge %s: interface %s reported twice",
1231 } else if (iface_from_ofp_port(br, ofp_port)) {
1232 VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
1233 br->name, ofp_port);
1237 /* There's a configured interface named 'name'. */
1238 if (strcmp(type, iface->type)
1239 || iface_set_netdev_config(iface->cfg, iface->netdev)) {
1240 /* It's the wrong type, or it's the right type but can't be
1241 * configured as the user requested, so we must destroy it. */
1244 /* It's the right type and configured correctly. Keep it. */
1245 iface_set_ofp_port(iface, ofp_port);
1248 } else if (bridge_has_bond_fake_iface(br, name)
1249 && !strcmp(type, "internal")) {
1250 /* It's a bond fake iface. Keep it. */
1253 /* There's no configured interface named 'name', but there might be an
1254 * interface of that name queued to be created.
1256 * If there is, and it has the correct type, then try to configure it
1257 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1258 * delete it and later try to re-add it. */
1259 struct if_cfg *if_cfg = if_cfg_lookup(br, name);
1261 && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
1262 && iface_create(br, if_cfg, ofp_port));
1266 /* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1267 * consistent with the ofp_ports in "br->ofproto". */
1269 bridge_refresh_ofp_port(struct bridge *br)
1271 struct ofproto_port_dump dump;
1272 struct ofproto_port ofproto_port;
1273 struct port *port, *port_next;
1275 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
1276 hmap_clear(&br->ifaces);
1277 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1278 struct iface *iface;
1280 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1281 iface->ofp_port = -1;
1285 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1286 * already exist in the datapath and promote them to full fledged "struct
1287 * iface"s. Mark ports in the datapath which don't belong as garbage. */
1288 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
1289 if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
1290 struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
1291 garbage->ofp_port = ofproto_port.ofp_port;
1292 list_push_front(&br->ofpp_garbage, &garbage->list_node);
1296 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1297 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1298 * later they can be added to ofproto. */
1299 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
1300 struct iface *iface, *iface_next;
1302 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
1303 if (iface->ofp_port < 0) {
1304 bridge_queue_if_cfg(br, iface->cfg, port->cfg);
1305 iface_destroy(iface);
1309 if (list_is_empty(&port->ifaces)) {
1315 /* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
1316 * is negative, adds the network device to br->ofproto and stores the OpenFlow
1317 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1320 * If successful, returns 0 and stores the network device in '*netdevp'. On
1321 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1323 iface_do_create(const struct bridge *br,
1324 const struct if_cfg *if_cfg,
1325 int *ofp_portp, struct netdev **netdevp)
1327 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1328 const struct ovsrec_port *port_cfg = if_cfg->parent;
1329 struct netdev *netdev;
1332 error = netdev_open(iface_cfg->name,
1333 iface_get_type(iface_cfg, br->cfg), &netdev);
1335 VLOG_WARN("could not open network device %s (%s)",
1336 iface_cfg->name, strerror(error));
1340 error = iface_set_netdev_config(iface_cfg, netdev);
1345 if (*ofp_portp < 0) {
1346 uint16_t ofp_port = if_cfg->ofport;
1348 error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
1352 *ofp_portp = ofp_port;
1354 VLOG_INFO("bridge %s: added interface %s on port %d",
1355 br->name, iface_cfg->name, *ofp_portp);
1357 VLOG_DBG("bridge %s: interface %s is on port %d",
1358 br->name, iface_cfg->name, *ofp_portp);
1361 if ((port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter"))
1362 || iface_is_internal(iface_cfg, br->cfg)) {
1363 netdev_turn_flags_on(netdev, NETDEV_UP, true);
1371 netdev_close(netdev);
1375 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1376 * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
1377 * automatically allocated for the iface. Takes ownership of and
1378 * deallocates 'if_cfg'.
1380 * Return true if an iface is successfully created, false otherwise. */
1382 iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
1384 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1385 const struct ovsrec_port *port_cfg = if_cfg->parent;
1387 struct netdev *netdev;
1388 struct iface *iface;
1393 /* Do the bits that can fail up front.
1395 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1396 * internal datastructures may not be consistent. Eventually, when port
1397 * additions and deletions are cheaper, these calls should be removed. */
1399 ovs_assert(!iface_lookup(br, iface_cfg->name));
1400 error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
1403 iface_set_ofport(iface_cfg, -1);
1404 iface_clear_db_record(iface_cfg);
1409 /* Get or create the port structure. */
1410 port = port_lookup(br, port_cfg->name);
1412 port = port_create(br, port_cfg);
1415 /* Create the iface structure. */
1416 iface = xzalloc(sizeof *iface);
1417 list_push_back(&port->ifaces, &iface->port_elem);
1418 hmap_insert(&br->iface_by_name, &iface->name_node,
1419 hash_string(iface_cfg->name, 0));
1421 iface->name = xstrdup(iface_cfg->name);
1422 iface->ofp_port = -1;
1423 iface->netdev = netdev;
1424 iface->type = iface_get_type(iface_cfg, br->cfg);
1425 iface->cfg = iface_cfg;
1427 iface_set_ofp_port(iface, ofp_port);
1429 /* Populate initial status in database. */
1430 iface_refresh_stats(iface);
1431 iface_refresh_status(iface);
1433 /* Add bond fake iface if necessary. */
1434 if (port_is_bond_fake_iface(port)) {
1435 struct ofproto_port ofproto_port;
1437 if (ofproto_port_query_by_name(br->ofproto, port->name,
1439 struct netdev *netdev;
1442 error = netdev_open(port->name, "internal", &netdev);
1444 uint16_t fake_ofp_port = if_cfg->ofport;
1446 ofproto_port_add(br->ofproto, netdev, &fake_ofp_port);
1447 netdev_close(netdev);
1449 VLOG_WARN("could not open network device %s (%s)",
1450 port->name, strerror(error));
1453 /* Already exists, nothing to do. */
1454 ofproto_port_destroy(&ofproto_port);
1459 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
1465 /* Set Flow eviction threshold */
1467 bridge_configure_flow_eviction_threshold(struct bridge *br)
1469 const char *threshold_str;
1472 threshold_str = smap_get(&br->cfg->other_config,
1473 "flow-eviction-threshold");
1474 if (threshold_str) {
1475 threshold = strtoul(threshold_str, NULL, 10);
1477 threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
1479 ofproto_set_flow_eviction_threshold(br->ofproto, threshold);
1482 /* Set forward BPDU option. */
1484 bridge_configure_forward_bpdu(struct bridge *br)
1486 ofproto_set_forward_bpdu(br->ofproto,
1487 smap_get_bool(&br->cfg->other_config,
1492 /* Set MAC learning table configuration for 'br'. */
1494 bridge_configure_mac_table(struct bridge *br)
1496 const char *idle_time_str;
1499 const char *mac_table_size_str;
1502 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
1503 idle_time = (idle_time_str && atoi(idle_time_str)
1504 ? atoi(idle_time_str)
1505 : MAC_ENTRY_DEFAULT_IDLE_TIME);
1507 mac_table_size_str = smap_get(&br->cfg->other_config, "mac-table-size");
1508 mac_table_size = (mac_table_size_str && atoi(mac_table_size_str)
1509 ? atoi(mac_table_size_str)
1512 ofproto_set_mac_table_config(br->ofproto, idle_time, mac_table_size);
1516 bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
1517 struct iface **hw_addr_iface)
1519 struct hmapx mirror_output_ports;
1522 bool found_addr = false;
1526 *hw_addr_iface = NULL;
1528 /* Did the user request a particular MAC? */
1529 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
1530 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
1531 if (eth_addr_is_multicast(ea)) {
1532 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1533 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1534 } else if (eth_addr_is_zero(ea)) {
1535 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
1541 /* Mirror output ports don't participate in picking the local hardware
1542 * address. ofproto can't help us find out whether a given port is a
1543 * mirror output because we haven't configured mirrors yet, so we need to
1544 * accumulate them ourselves. */
1545 hmapx_init(&mirror_output_ports);
1546 for (i = 0; i < br->cfg->n_mirrors; i++) {
1547 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1548 if (m->output_port) {
1549 hmapx_add(&mirror_output_ports, m->output_port);
1553 /* Otherwise choose the minimum non-local MAC address among all of the
1555 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1556 uint8_t iface_ea[ETH_ADDR_LEN];
1557 struct iface *candidate;
1558 struct iface *iface;
1560 /* Mirror output ports don't participate. */
1561 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
1565 /* Choose the MAC address to represent the port. */
1567 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
1568 /* Find the interface with this Ethernet address (if any) so that
1569 * we can provide the correct devname to the caller. */
1570 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1571 uint8_t candidate_ea[ETH_ADDR_LEN];
1572 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
1573 && eth_addr_equals(iface_ea, candidate_ea)) {
1578 /* Choose the interface whose MAC address will represent the port.
1579 * The Linux kernel bonding code always chooses the MAC address of
1580 * the first slave added to a bond, and the Fedora networking
1581 * scripts always add slaves to a bond in alphabetical order, so
1582 * for compatibility we choose the interface with the name that is
1583 * first in alphabetical order. */
1584 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1585 if (!iface || strcmp(candidate->name, iface->name) < 0) {
1590 /* The local port doesn't count (since we're trying to choose its
1591 * MAC address anyway). */
1592 if (iface->ofp_port == OFPP_LOCAL) {
1597 error = netdev_get_etheraddr(iface->netdev, iface_ea);
1603 /* Compare against our current choice. */
1604 if (!eth_addr_is_multicast(iface_ea) &&
1605 !eth_addr_is_local(iface_ea) &&
1606 !eth_addr_is_reserved(iface_ea) &&
1607 !eth_addr_is_zero(iface_ea) &&
1608 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
1610 memcpy(ea, iface_ea, ETH_ADDR_LEN);
1611 *hw_addr_iface = iface;
1617 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1618 *hw_addr_iface = NULL;
1621 hmapx_destroy(&mirror_output_ports);
1624 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1625 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1626 * an interface on 'br', then that interface must be passed in as
1627 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1628 * 'hw_addr_iface' must be passed in as a null pointer. */
1630 bridge_pick_datapath_id(struct bridge *br,
1631 const uint8_t bridge_ea[ETH_ADDR_LEN],
1632 struct iface *hw_addr_iface)
1635 * The procedure for choosing a bridge MAC address will, in the most
1636 * ordinary case, also choose a unique MAC that we can use as a datapath
1637 * ID. In some special cases, though, multiple bridges will end up with
1638 * the same MAC address. This is OK for the bridges, but it will confuse
1639 * the OpenFlow controller, because each datapath needs a unique datapath
1642 * Datapath IDs must be unique. It is also very desirable that they be
1643 * stable from one run to the next, so that policy set on a datapath
1646 const char *datapath_id;
1649 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
1650 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
1654 if (!hw_addr_iface) {
1656 * A purely internal bridge, that is, one that has no non-virtual
1657 * network devices on it at all, is difficult because it has no
1658 * natural unique identifier at all.
1660 * When the host is a XenServer, we handle this case by hashing the
1661 * host's UUID with the name of the bridge. Names of bridges are
1662 * persistent across XenServer reboots, although they can be reused if
1663 * an internal network is destroyed and then a new one is later
1664 * created, so this is fairly effective.
1666 * When the host is not a XenServer, we punt by using a random MAC
1667 * address on each run.
1669 const char *host_uuid = xenserver_get_host_uuid();
1671 char *combined = xasprintf("%s,%s", host_uuid, br->name);
1672 dpid = dpid_from_hash(combined, strlen(combined));
1678 return eth_addr_to_uint64(bridge_ea);
1682 dpid_from_hash(const void *data, size_t n)
1684 uint8_t hash[SHA1_DIGEST_SIZE];
1686 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
1687 sha1_bytes(data, n, hash);
1688 eth_addr_mark_random(hash);
1689 return eth_addr_to_uint64(hash);
1693 iface_refresh_status(struct iface *iface)
1697 enum netdev_features current;
1703 if (iface_is_synthetic(iface)) {
1709 if (!netdev_get_status(iface->netdev, &smap)) {
1710 ovsrec_interface_set_status(iface->cfg, &smap);
1712 ovsrec_interface_set_status(iface->cfg, NULL);
1715 smap_destroy(&smap);
1717 error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL);
1718 bps = !error ? netdev_features_to_bps(current, 0) : 0;
1720 ovsrec_interface_set_duplex(iface->cfg,
1721 netdev_features_is_full_duplex(current)
1723 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
1726 ovsrec_interface_set_duplex(iface->cfg, NULL);
1727 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
1730 error = netdev_get_mtu(iface->netdev, &mtu);
1733 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
1736 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
1740 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1743 iface_refresh_cfm_stats(struct iface *iface)
1745 const struct ovsrec_interface *cfg = iface->cfg;
1746 struct ofproto_cfm_status status;
1748 if (!ofproto_port_get_cfm_status(iface->port->bridge->ofproto,
1749 iface->ofp_port, &status)) {
1750 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1751 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1752 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1753 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1754 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1756 const char *reasons[CFM_FAULT_N_REASONS];
1757 int64_t cfm_health = status.health;
1758 bool faulted = status.faults != 0;
1761 ovsrec_interface_set_cfm_fault(cfg, &faulted, 1);
1764 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1765 int reason = 1 << i;
1766 if (status.faults & reason) {
1767 reasons[j++] = cfm_fault_reason_to_str(reason);
1770 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1772 if (status.remote_opstate >= 0) {
1773 const char *remote_opstate = status.remote_opstate ? "up" : "down";
1774 ovsrec_interface_set_cfm_remote_opstate(cfg, remote_opstate);
1776 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1779 ovsrec_interface_set_cfm_remote_mpids(cfg,
1780 (const int64_t *)status.rmps,
1782 if (cfm_health >= 0) {
1783 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1785 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1791 iface_refresh_stats(struct iface *iface)
1793 #define IFACE_STATS \
1794 IFACE_STAT(rx_packets, "rx_packets") \
1795 IFACE_STAT(tx_packets, "tx_packets") \
1796 IFACE_STAT(rx_bytes, "rx_bytes") \
1797 IFACE_STAT(tx_bytes, "tx_bytes") \
1798 IFACE_STAT(rx_dropped, "rx_dropped") \
1799 IFACE_STAT(tx_dropped, "tx_dropped") \
1800 IFACE_STAT(rx_errors, "rx_errors") \
1801 IFACE_STAT(tx_errors, "tx_errors") \
1802 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1803 IFACE_STAT(rx_over_errors, "rx_over_err") \
1804 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1805 IFACE_STAT(collisions, "collisions")
1807 #define IFACE_STAT(MEMBER, NAME) NAME,
1808 static char *keys[] = { IFACE_STATS };
1810 int64_t values[ARRAY_SIZE(keys)];
1813 struct netdev_stats stats;
1815 if (iface_is_synthetic(iface)) {
1819 /* Intentionally ignore return value, since errors will set 'stats' to
1820 * all-1s, and we will deal with that correctly below. */
1821 netdev_get_stats(iface->netdev, &stats);
1823 /* Copy statistics into values[] array. */
1825 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1828 ovs_assert(i == ARRAY_SIZE(keys));
1830 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1836 br_refresh_stp_status(struct bridge *br)
1838 struct smap smap = SMAP_INITIALIZER(&smap);
1839 struct ofproto *ofproto = br->ofproto;
1840 struct ofproto_stp_status status;
1842 if (ofproto_get_stp_status(ofproto, &status)) {
1846 if (!status.enabled) {
1847 ovsrec_bridge_set_status(br->cfg, NULL);
1851 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1852 STP_ID_ARGS(status.bridge_id));
1853 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1854 STP_ID_ARGS(status.designated_root));
1855 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
1857 ovsrec_bridge_set_status(br->cfg, &smap);
1858 smap_destroy(&smap);
1862 port_refresh_stp_status(struct port *port)
1864 struct ofproto *ofproto = port->bridge->ofproto;
1865 struct iface *iface;
1866 struct ofproto_port_stp_status status;
1868 int64_t int_values[3];
1871 if (port_is_synthetic(port)) {
1875 /* STP doesn't currently support bonds. */
1876 if (!list_is_singleton(&port->ifaces)) {
1877 ovsrec_port_set_status(port->cfg, NULL);
1881 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1883 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1887 if (!status.enabled) {
1888 ovsrec_port_set_status(port->cfg, NULL);
1889 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
1893 /* Set Status column. */
1895 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1896 smap_add(&smap, "stp_state", stp_state_name(status.state));
1897 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1898 smap_add(&smap, "stp_role", stp_role_name(status.role));
1899 ovsrec_port_set_status(port->cfg, &smap);
1900 smap_destroy(&smap);
1902 /* Set Statistics column. */
1903 keys[0] = "stp_tx_count";
1904 int_values[0] = status.tx_count;
1905 keys[1] = "stp_rx_count";
1906 int_values[1] = status.rx_count;
1907 keys[2] = "stp_error_count";
1908 int_values[2] = status.error_count;
1910 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1911 ARRAY_SIZE(int_values));
1915 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1917 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
1921 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
1923 bool enable = enable_system_stats(cfg);
1925 system_stats_enable(enable);
1927 ovsrec_open_vswitch_set_statistics(cfg, NULL);
1932 run_system_stats(void)
1934 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1937 stats = system_stats_run();
1939 struct ovsdb_idl_txn *txn;
1940 struct ovsdb_datum datum;
1942 txn = ovsdb_idl_txn_create(idl);
1943 ovsdb_datum_from_smap(&datum, stats);
1944 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1946 ovsdb_idl_txn_commit(txn);
1947 ovsdb_idl_txn_destroy(txn);
1953 static inline const char *
1954 ofp12_controller_role_to_str(enum ofp12_controller_role role)
1957 case OFPCR12_ROLE_EQUAL:
1959 case OFPCR12_ROLE_MASTER:
1961 case OFPCR12_ROLE_SLAVE:
1963 case OFPCR12_ROLE_NOCHANGE:
1965 return "*** INVALID ROLE ***";
1970 refresh_controller_status(void)
1974 const struct ovsrec_controller *cfg;
1978 /* Accumulate status for controllers on all bridges. */
1979 HMAP_FOR_EACH (br, node, &all_bridges) {
1980 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1983 /* Update each controller in the database with current status. */
1984 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
1985 struct ofproto_controller_info *cinfo =
1986 shash_find_data(&info, cfg->target);
1989 struct smap smap = SMAP_INITIALIZER(&smap);
1990 const char **values = cinfo->pairs.values;
1991 const char **keys = cinfo->pairs.keys;
1994 for (i = 0; i < cinfo->pairs.n; i++) {
1995 smap_add(&smap, keys[i], values[i]);
1998 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
1999 ovsrec_controller_set_role(cfg, ofp12_controller_role_to_str(
2001 ovsrec_controller_set_status(cfg, &smap);
2002 smap_destroy(&smap);
2004 ovsrec_controller_set_is_connected(cfg, false);
2005 ovsrec_controller_set_role(cfg, NULL);
2006 ovsrec_controller_set_status(cfg, NULL);
2010 ofproto_free_ofproto_controller_info(&info);
2014 refresh_instant_stats(void)
2016 static struct ovsdb_idl_txn *txn = NULL;
2021 txn = ovsdb_idl_txn_create(idl);
2023 HMAP_FOR_EACH (br, node, &all_bridges) {
2024 struct iface *iface;
2027 br_refresh_stp_status(br);
2029 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2030 port_refresh_stp_status(port);
2033 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
2034 enum netdev_flags flags;
2035 const char *link_state;
2036 int64_t link_resets;
2039 if (iface_is_synthetic(iface)) {
2043 current = ofproto_port_is_lacp_current(br->ofproto,
2047 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2049 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2052 error = netdev_get_flags(iface->netdev, &flags);
2054 const char *state = flags & NETDEV_UP ? "up" : "down";
2055 ovsrec_interface_set_admin_state(iface->cfg, state);
2057 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2060 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2061 ovsrec_interface_set_link_state(iface->cfg, link_state);
2063 link_resets = netdev_get_carrier_resets(iface->netdev);
2064 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2066 iface_refresh_cfm_stats(iface);
2071 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2072 ovsdb_idl_txn_destroy(txn);
2077 /* Performs periodic activity required by bridges that needs to be done with
2078 * the least possible latency.
2080 * It makes sense to call this function a couple of times per poll loop, to
2081 * provide a significant performance boost on some benchmarks with ofprotos
2082 * that use the ofproto-dpif implementation. */
2084 bridge_run_fast(void)
2091 ofproto_enumerate_types(&types);
2092 SSET_FOR_EACH (type, &types) {
2093 ofproto_type_run_fast(type);
2095 sset_destroy(&types);
2097 HMAP_FOR_EACH (br, node, &all_bridges) {
2098 ofproto_run_fast(br->ofproto);
2105 static struct ovsrec_open_vswitch null_cfg;
2106 const struct ovsrec_open_vswitch *cfg;
2107 struct ovsdb_idl_txn *reconf_txn = NULL;
2111 bool vlan_splinters_changed;
2114 ovsrec_open_vswitch_init(&null_cfg);
2116 /* (Re)configure if necessary. */
2117 if (!reconfiguring) {
2120 if (ovsdb_idl_is_lock_contended(idl)) {
2121 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2122 struct bridge *br, *next_br;
2124 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2125 "disabling this process until it goes away");
2127 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2131 } else if (!ovsdb_idl_has_lock(idl)) {
2135 cfg = ovsrec_open_vswitch_first(idl);
2137 /* Initialize the ofproto library. This only needs to run once, but
2138 * it must be done after the configuration is set. If the
2139 * initialization has already occurred, bridge_init_ofproto()
2140 * returns immediately. */
2141 bridge_init_ofproto(cfg);
2143 /* Let each datapath type do the work that it needs to do. */
2145 ofproto_enumerate_types(&types);
2146 SSET_FOR_EACH (type, &types) {
2147 ofproto_type_run(type);
2149 sset_destroy(&types);
2151 /* Let each bridge do the work that it needs to do. */
2152 HMAP_FOR_EACH (br, node, &all_bridges) {
2153 ofproto_run(br->ofproto);
2156 /* Re-configure SSL. We do this on every trip through the main loop,
2157 * instead of just when the database changes, because the contents of the
2158 * key and certificate files can change without the database changing.
2160 * We do this before bridge_reconfigure() because that function might
2161 * initiate SSL connections and thus requires SSL to be configured. */
2162 if (cfg && cfg->ssl) {
2163 const struct ovsrec_ssl *ssl = cfg->ssl;
2165 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2166 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2169 if (!reconfiguring) {
2170 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2171 * usage has changed. */
2172 vlan_splinters_changed = false;
2173 if (vlan_splinters_enabled_anywhere) {
2174 HMAP_FOR_EACH (br, node, &all_bridges) {
2175 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2176 vlan_splinters_changed = true;
2182 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2183 idl_seqno = ovsdb_idl_get_seqno(idl);
2185 reconf_txn = ovsdb_idl_txn_create(idl);
2186 bridge_reconfigure(cfg);
2188 /* We still need to reconfigure to avoid dangling pointers to
2189 * now-destroyed ovsrec structures inside bridge data. */
2190 bridge_reconfigure(&null_cfg);
2195 if (reconfiguring) {
2198 reconf_txn = ovsdb_idl_txn_create(idl);
2200 if (bridge_reconfigure_continue(cfg)) {
2201 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2204 bridge_reconfigure_continue(&null_cfg);
2209 ovsdb_idl_txn_commit(reconf_txn);
2210 ovsdb_idl_txn_destroy(reconf_txn);
2214 /* Refresh interface and mirror stats if necessary. */
2215 if (time_msec() >= iface_stats_timer) {
2217 struct ovsdb_idl_txn *txn;
2219 txn = ovsdb_idl_txn_create(idl);
2220 HMAP_FOR_EACH (br, node, &all_bridges) {
2224 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2225 struct iface *iface;
2227 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2228 iface_refresh_stats(iface);
2229 iface_refresh_status(iface);
2233 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2234 mirror_refresh_stats(m);
2238 refresh_controller_status();
2239 ovsdb_idl_txn_commit(txn);
2240 ovsdb_idl_txn_destroy(txn); /* XXX */
2243 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
2247 refresh_instant_stats();
2256 ovsdb_idl_wait(idl);
2258 if (reconfiguring) {
2259 poll_immediate_wake();
2263 ofproto_enumerate_types(&types);
2264 SSET_FOR_EACH (type, &types) {
2265 ofproto_type_wait(type);
2267 sset_destroy(&types);
2269 if (!hmap_is_empty(&all_bridges)) {
2272 HMAP_FOR_EACH (br, node, &all_bridges) {
2273 ofproto_wait(br->ofproto);
2275 poll_timer_wait_until(iface_stats_timer);
2278 system_stats_wait();
2281 /* Adds some memory usage statistics for bridges into 'usage', for use with
2282 * memory_report(). */
2284 bridge_get_memory_usage(struct simap *usage)
2288 HMAP_FOR_EACH (br, node, &all_bridges) {
2289 ofproto_get_memory_usage(br->ofproto, usage);
2293 /* QoS unixctl user interface functions. */
2295 struct qos_unixctl_show_cbdata {
2297 struct iface *iface;
2301 qos_unixctl_show_cb(unsigned int queue_id,
2302 const struct smap *details,
2305 struct qos_unixctl_show_cbdata *data = aux;
2306 struct ds *ds = data->ds;
2307 struct iface *iface = data->iface;
2308 struct netdev_queue_stats stats;
2309 struct smap_node *node;
2312 ds_put_cstr(ds, "\n");
2314 ds_put_format(ds, "Queue %u:\n", queue_id);
2316 ds_put_cstr(ds, "Default:\n");
2319 SMAP_FOR_EACH (node, details) {
2320 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2323 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2325 if (stats.tx_packets != UINT64_MAX) {
2326 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2329 if (stats.tx_bytes != UINT64_MAX) {
2330 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2333 if (stats.tx_errors != UINT64_MAX) {
2334 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2337 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2338 queue_id, strerror(error));
2343 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2344 const char *argv[], void *aux OVS_UNUSED)
2346 struct ds ds = DS_EMPTY_INITIALIZER;
2347 struct smap smap = SMAP_INITIALIZER(&smap);
2348 struct iface *iface;
2350 struct smap_node *node;
2351 struct qos_unixctl_show_cbdata data;
2354 iface = iface_find(argv[1]);
2356 unixctl_command_reply_error(conn, "no such interface");
2360 netdev_get_qos(iface->netdev, &type, &smap);
2362 if (*type != '\0') {
2363 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2365 SMAP_FOR_EACH (node, &smap) {
2366 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2371 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2374 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2376 unixctl_command_reply(conn, ds_cstr(&ds));
2378 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2379 unixctl_command_reply_error(conn, ds_cstr(&ds));
2382 smap_destroy(&smap);
2386 /* Bridge reconfiguration functions. */
2388 bridge_create(const struct ovsrec_bridge *br_cfg)
2392 ovs_assert(!bridge_lookup(br_cfg->name));
2393 br = xzalloc(sizeof *br);
2395 br->name = xstrdup(br_cfg->name);
2396 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2399 /* Derive the default Ethernet address from the bridge's UUID. This should
2400 * be unique and it will be stable between ovs-vswitchd runs. */
2401 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2402 eth_addr_mark_random(br->default_ea);
2404 hmap_init(&br->ports);
2405 hmap_init(&br->ifaces);
2406 hmap_init(&br->iface_by_name);
2407 hmap_init(&br->mirrors);
2409 hmap_init(&br->if_cfg_todo);
2410 list_init(&br->ofpp_garbage);
2412 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
2416 bridge_destroy(struct bridge *br)
2419 struct mirror *mirror, *next_mirror;
2420 struct port *port, *next_port;
2421 struct if_cfg *if_cfg, *next_if_cfg;
2422 struct ofpp_garbage *garbage, *next_garbage;
2424 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
2427 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2428 mirror_destroy(mirror);
2430 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2431 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2434 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2435 &br->ofpp_garbage) {
2436 list_remove(&garbage->list_node);
2440 hmap_remove(&all_bridges, &br->node);
2441 ofproto_destroy(br->ofproto);
2442 hmap_destroy(&br->ifaces);
2443 hmap_destroy(&br->ports);
2444 hmap_destroy(&br->iface_by_name);
2445 hmap_destroy(&br->mirrors);
2446 hmap_destroy(&br->if_cfg_todo);
2453 static struct bridge *
2454 bridge_lookup(const char *name)
2458 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
2459 if (!strcmp(br->name, name)) {
2466 /* Handle requests for a listing of all flows known by the OpenFlow
2467 * stack, including those normally hidden. */
2469 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2470 const char *argv[], void *aux OVS_UNUSED)
2475 br = bridge_lookup(argv[1]);
2477 unixctl_command_reply_error(conn, "Unknown bridge");
2482 ofproto_get_all_flows(br->ofproto, &results);
2484 unixctl_command_reply(conn, ds_cstr(&results));
2485 ds_destroy(&results);
2488 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2489 * connections and reconnect. If BRIDGE is not specified, then all bridges
2490 * drop their controller connections and reconnect. */
2492 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2493 const char *argv[], void *aux OVS_UNUSED)
2497 br = bridge_lookup(argv[1]);
2499 unixctl_command_reply_error(conn, "Unknown bridge");
2502 ofproto_reconnect_controllers(br->ofproto);
2504 HMAP_FOR_EACH (br, node, &all_bridges) {
2505 ofproto_reconnect_controllers(br->ofproto);
2508 unixctl_command_reply(conn, NULL);
2512 bridge_get_controllers(const struct bridge *br,
2513 struct ovsrec_controller ***controllersp)
2515 struct ovsrec_controller **controllers;
2516 size_t n_controllers;
2518 controllers = br->cfg->controller;
2519 n_controllers = br->cfg->n_controller;
2521 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2527 *controllersp = controllers;
2529 return n_controllers;
2533 bridge_queue_if_cfg(struct bridge *br,
2534 const struct ovsrec_interface *cfg,
2535 const struct ovsrec_port *parent)
2537 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2540 if_cfg->parent = parent;
2541 if_cfg->ofport = iface_pick_ofport(cfg);
2542 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2543 hash_string(if_cfg->cfg->name, 0));
2546 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2547 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2548 * 'br' needs to complete its configuration. */
2550 bridge_add_del_ports(struct bridge *br,
2551 const unsigned long int *splinter_vlans)
2553 struct shash_node *port_node;
2554 struct port *port, *next;
2555 struct shash new_ports;
2558 ovs_assert(hmap_is_empty(&br->if_cfg_todo));
2560 /* Collect new ports. */
2561 shash_init(&new_ports);
2562 for (i = 0; i < br->cfg->n_ports; i++) {
2563 const char *name = br->cfg->ports[i]->name;
2564 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2565 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2569 if (bridge_get_controllers(br, NULL)
2570 && !shash_find(&new_ports, br->name)) {
2571 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2572 br->name, br->name);
2574 ovsrec_interface_init(&br->synth_local_iface);
2575 ovsrec_port_init(&br->synth_local_port);
2577 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2578 br->synth_local_port.n_interfaces = 1;
2579 br->synth_local_port.name = br->name;
2581 br->synth_local_iface.name = br->name;
2582 br->synth_local_iface.type = "internal";
2584 br->synth_local_ifacep = &br->synth_local_iface;
2586 shash_add(&new_ports, br->name, &br->synth_local_port);
2589 if (splinter_vlans) {
2590 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2593 /* Get rid of deleted ports.
2594 * Get rid of deleted interfaces on ports that still exist. */
2595 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
2596 port->cfg = shash_find_data(&new_ports, port->name);
2600 port_del_ifaces(port);
2604 /* Update iface->cfg and iface->type in interfaces that still exist.
2605 * Add new interfaces to creation queue. */
2606 SHASH_FOR_EACH (port_node, &new_ports) {
2607 const struct ovsrec_port *port = port_node->data;
2610 for (i = 0; i < port->n_interfaces; i++) {
2611 const struct ovsrec_interface *cfg = port->interfaces[i];
2612 struct iface *iface = iface_lookup(br, cfg->name);
2613 const char *type = iface_get_type(cfg, br->cfg);
2618 } else if (!strcmp(type, "null")) {
2619 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2620 " may be removed in February 2013. Please email"
2621 " dev@openvswitch.org with concerns.",
2624 bridge_queue_if_cfg(br, cfg, port);
2629 shash_destroy(&new_ports);
2632 /* Initializes 'oc' appropriately as a management service controller for
2635 * The caller must free oc->target when it is no longer needed. */
2637 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2638 struct ofproto_controller *oc)
2640 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
2641 oc->max_backoff = 0;
2642 oc->probe_interval = 60;
2643 oc->band = OFPROTO_OUT_OF_BAND;
2645 oc->burst_limit = 0;
2646 oc->enable_async_msgs = true;
2649 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2651 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2652 struct ofproto_controller *oc)
2656 oc->target = c->target;
2657 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2658 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2659 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2660 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
2661 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2662 oc->burst_limit = (c->controller_burst_limit
2663 ? *c->controller_burst_limit : 0);
2664 oc->enable_async_msgs = (!c->enable_async_messages
2665 || *c->enable_async_messages);
2666 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2667 if (dscp < 0 || dscp > 63) {
2668 dscp = DSCP_DEFAULT;
2673 /* Configures the IP stack for 'br''s local interface properly according to the
2674 * configuration in 'c'. */
2676 bridge_configure_local_iface_netdev(struct bridge *br,
2677 struct ovsrec_controller *c)
2679 struct netdev *netdev;
2680 struct in_addr mask, gateway;
2682 struct iface *local_iface;
2685 /* If there's no local interface or no IP address, give up. */
2686 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
2687 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2691 /* Bring up the local interface. */
2692 netdev = local_iface->netdev;
2693 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2695 /* Configure the IP address and netmask. */
2696 if (!c->local_netmask
2697 || !inet_aton(c->local_netmask, &mask)
2699 mask.s_addr = guess_netmask(ip.s_addr);
2701 if (!netdev_set_in4(netdev, ip, mask)) {
2702 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
2703 br->name, IP_ARGS(ip.s_addr), IP_ARGS(mask.s_addr));
2706 /* Configure the default gateway. */
2707 if (c->local_gateway
2708 && inet_aton(c->local_gateway, &gateway)
2709 && gateway.s_addr) {
2710 if (!netdev_add_router(netdev, gateway)) {
2711 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
2712 br->name, IP_ARGS(gateway.s_addr));
2717 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2718 * in either string are treated as equal to any number of slashes in the other,
2719 * e.g. "x///y" is equal to "x/y".
2721 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
2722 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
2723 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
2724 * 'b' against a prefix of 'a'.
2727 equal_pathnames(const char *a, const char *b, size_t b_stoplen)
2729 const char *b_start = b;
2731 if (b - b_start >= b_stoplen) {
2733 } else if (*a != *b) {
2735 } else if (*a == '/') {
2736 a += strspn(a, "/");
2737 b += strspn(b, "/");
2738 } else if (*a == '\0') {
2748 bridge_configure_remotes(struct bridge *br,
2749 const struct sockaddr_in *managers, size_t n_managers)
2751 bool disable_in_band;
2753 struct ovsrec_controller **controllers;
2754 size_t n_controllers;
2756 enum ofproto_fail_mode fail_mode;
2758 struct ofproto_controller *ocs;
2762 /* Check if we should disable in-band control on this bridge. */
2763 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2766 /* Set OpenFlow queue ID for in-band control. */
2767 ofproto_set_in_band_queue(br->ofproto,
2768 smap_get_int(&br->cfg->other_config,
2769 "in-band-queue", -1));
2771 if (disable_in_band) {
2772 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2774 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2777 n_controllers = bridge_get_controllers(br, &controllers);
2779 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2782 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2783 for (i = 0; i < n_controllers; i++) {
2784 struct ovsrec_controller *c = controllers[i];
2786 if (!strncmp(c->target, "punix:", 6)
2787 || !strncmp(c->target, "unix:", 5)) {
2788 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2791 if (!strncmp(c->target, "unix:", 5)) {
2792 /* Connect to a listening socket */
2793 whitelist = xasprintf("unix:%s/", ovs_rundir());
2794 if (strchr(c->target, '/') &&
2795 !equal_pathnames(c->target, whitelist,
2796 strlen(whitelist))) {
2797 /* Absolute path specified, but not in ovs_rundir */
2798 VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket "
2799 "controller \"%s\" due to possibility for "
2800 "remote exploit. Instead, specify socket "
2801 "in whitelisted \"%s\" or connect to "
2802 "\"unix:%s/%s.mgmt\" (which is always "
2803 "available without special configuration).",
2804 br->name, c->target, whitelist,
2805 ovs_rundir(), br->name);
2810 whitelist = xasprintf("punix:%s/%s.controller",
2811 ovs_rundir(), br->name);
2812 if (!equal_pathnames(c->target, whitelist, SIZE_MAX)) {
2813 /* Prevent remote ovsdb-server users from accessing
2814 * arbitrary Unix domain sockets and overwriting arbitrary
2816 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2817 "controller \"%s\" due to possibility of "
2818 "overwriting local files. Instead, specify "
2819 "whitelisted \"%s\" or connect to "
2820 "\"unix:%s/%s.mgmt\" (which is always "
2821 "available without special configuration).",
2822 br->name, c->target, whitelist,
2823 ovs_rundir(), br->name);
2832 bridge_configure_local_iface_netdev(br, c);
2833 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2834 if (disable_in_band) {
2835 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
2840 ofproto_set_controllers(br->ofproto, ocs, n_ocs,
2841 bridge_get_allowed_versions(br));
2842 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2845 /* Set the fail-mode. */
2846 fail_mode = !br->cfg->fail_mode
2847 || !strcmp(br->cfg->fail_mode, "standalone")
2848 ? OFPROTO_FAIL_STANDALONE
2849 : OFPROTO_FAIL_SECURE;
2850 ofproto_set_fail_mode(br->ofproto, fail_mode);
2852 /* Configure OpenFlow controller connection snooping. */
2853 if (!ofproto_has_snoops(br->ofproto)) {
2857 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2858 ovs_rundir(), br->name));
2859 ofproto_set_snoops(br->ofproto, &snoops);
2860 sset_destroy(&snoops);
2865 bridge_configure_tables(struct bridge *br)
2867 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2871 n_tables = ofproto_get_n_tables(br->ofproto);
2873 for (i = 0; i < n_tables; i++) {
2874 struct ofproto_table_settings s;
2877 s.max_flows = UINT_MAX;
2881 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2882 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2885 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2886 s.max_flows = *cfg->flow_limit;
2888 if (cfg->overflow_policy
2889 && !strcmp(cfg->overflow_policy, "evict")) {
2892 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2893 for (k = 0; k < cfg->n_groups; k++) {
2894 const char *string = cfg->groups[k];
2897 msg = mf_parse_subfield__(&s.groups[k], &string);
2899 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2900 "'groups' (%s)", br->name, i, msg);
2902 } else if (*string) {
2903 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2904 "element '%s' contains trailing garbage",
2905 br->name, i, cfg->groups[k]);
2913 ofproto_configure_table(br->ofproto, i, &s);
2917 for (; j < br->cfg->n_flow_tables; j++) {
2918 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2919 "%"PRId64" not supported by this datapath", br->name,
2920 br->cfg->key_flow_tables[j]);
2925 bridge_configure_dp_desc(struct bridge *br)
2927 ofproto_set_dp_desc(br->ofproto,
2928 smap_get(&br->cfg->other_config, "dp-desc"));
2931 /* Port functions. */
2933 static struct port *
2934 port_create(struct bridge *br, const struct ovsrec_port *cfg)
2938 port = xzalloc(sizeof *port);
2940 port->name = xstrdup(cfg->name);
2942 list_init(&port->ifaces);
2944 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
2948 /* Deletes interfaces from 'port' that are no longer configured for it. */
2950 port_del_ifaces(struct port *port)
2952 struct iface *iface, *next;
2953 struct sset new_ifaces;
2956 /* Collect list of new interfaces. */
2957 sset_init(&new_ifaces);
2958 for (i = 0; i < port->cfg->n_interfaces; i++) {
2959 const char *name = port->cfg->interfaces[i]->name;
2960 const char *type = port->cfg->interfaces[i]->type;
2961 if (strcmp(type, "null")) {
2962 sset_add(&new_ifaces, name);
2966 /* Get rid of deleted interfaces. */
2967 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2968 if (!sset_contains(&new_ifaces, iface->name)) {
2969 iface_destroy(iface);
2973 sset_destroy(&new_ifaces);
2977 port_destroy(struct port *port)
2980 struct bridge *br = port->bridge;
2981 struct iface *iface, *next;
2984 ofproto_bundle_unregister(br->ofproto, port);
2987 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2988 iface_destroy(iface);
2991 hmap_remove(&br->ports, &port->hmap_node);
2997 static struct port *
2998 port_lookup(const struct bridge *br, const char *name)
3002 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
3004 if (!strcmp(port->name, name)) {
3012 enable_lacp(struct port *port, bool *activep)
3014 if (!port->cfg->lacp) {
3015 /* XXX when LACP implementation has been sufficiently tested, enable by
3016 * default and make active on bonded ports. */
3018 } else if (!strcmp(port->cfg->lacp, "off")) {
3020 } else if (!strcmp(port->cfg->lacp, "active")) {
3023 } else if (!strcmp(port->cfg->lacp, "passive")) {
3027 VLOG_WARN("port %s: unknown LACP mode %s",
3028 port->name, port->cfg->lacp);
3033 static struct lacp_settings *
3034 port_configure_lacp(struct port *port, struct lacp_settings *s)
3036 const char *lacp_time, *system_id;
3039 if (!enable_lacp(port, &s->active)) {
3043 s->name = port->name;
3045 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
3047 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3048 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3049 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3050 " address.", port->name, system_id);
3054 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3057 if (eth_addr_is_zero(s->id)) {
3058 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3062 /* Prefer bondable links if unspecified. */
3063 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3065 s->priority = (priority > 0 && priority <= UINT16_MAX
3067 : UINT16_MAX - !list_is_short(&port->ifaces));
3069 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3070 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3075 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3077 int priority, portid, key;
3079 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3080 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3082 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3084 if (portid <= 0 || portid > UINT16_MAX) {
3085 portid = iface->ofp_port;
3088 if (priority <= 0 || priority > UINT16_MAX) {
3089 priority = UINT16_MAX;
3092 if (key < 0 || key > UINT16_MAX) {
3096 s->name = iface->name;
3098 s->priority = priority;
3103 port_configure_bond(struct port *port, struct bond_settings *s)
3105 const char *detect_s;
3106 struct iface *iface;
3107 int miimon_interval;
3109 s->name = port->name;
3111 if (port->cfg->bond_mode) {
3112 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3113 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3114 port->name, port->cfg->bond_mode,
3115 bond_mode_to_string(s->balance));
3118 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3120 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3121 * active-backup. At some point we should remove this warning. */
3122 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3123 " in previous versions, the default bond_mode was"
3124 " balance-slb", port->name,
3125 bond_mode_to_string(s->balance));
3127 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3128 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3129 "please use another bond type or disable flood_vlans",
3133 miimon_interval = smap_get_int(&port->cfg->other_config,
3134 "bond-miimon-interval", 0);
3135 if (miimon_interval <= 0) {
3136 miimon_interval = 200;
3139 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3140 if (!detect_s || !strcmp(detect_s, "carrier")) {
3141 miimon_interval = 0;
3142 } else if (strcmp(detect_s, "miimon")) {
3143 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3144 "defaulting to carrier", port->name, detect_s);
3145 miimon_interval = 0;
3148 s->up_delay = MAX(0, port->cfg->bond_updelay);
3149 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3150 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3151 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3152 "bond-rebalance-interval", 10000);
3153 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3154 s->rebalance_interval = 1000;
3157 s->fake_iface = port->cfg->bond_fake_iface;
3159 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3160 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3164 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3165 * instead of obtaining it from the database. */
3167 port_is_synthetic(const struct port *port)
3169 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3172 /* Interface functions. */
3175 iface_is_internal(const struct ovsrec_interface *iface,
3176 const struct ovsrec_bridge *br)
3178 /* The local port and "internal" ports are always "internal". */
3179 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
3182 /* Returns the correct network device type for interface 'iface' in bridge
3185 iface_get_type(const struct ovsrec_interface *iface,
3186 const struct ovsrec_bridge *br)
3190 /* The local port always has type "internal". Other ports take
3191 * their type from the database and default to "system" if none is
3193 if (iface_is_internal(iface, br)) {
3196 type = iface->type[0] ? iface->type : "system";
3199 return ofproto_port_open_type(br->datapath_type, type);
3203 iface_destroy(struct iface *iface)
3206 struct port *port = iface->port;
3207 struct bridge *br = port->bridge;
3209 if (br->ofproto && iface->ofp_port >= 0) {
3210 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3213 if (iface->ofp_port >= 0) {
3214 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3217 list_remove(&iface->port_elem);
3218 hmap_remove(&br->iface_by_name, &iface->name_node);
3220 netdev_close(iface->netdev);
3227 static struct iface *
3228 iface_lookup(const struct bridge *br, const char *name)
3230 struct iface *iface;
3232 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3233 &br->iface_by_name) {
3234 if (!strcmp(iface->name, name)) {
3242 static struct iface *
3243 iface_find(const char *name)
3245 const struct bridge *br;
3247 HMAP_FOR_EACH (br, node, &all_bridges) {
3248 struct iface *iface = iface_lookup(br, name);
3257 static struct if_cfg *
3258 if_cfg_lookup(const struct bridge *br, const char *name)
3260 struct if_cfg *if_cfg;
3262 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3264 if (!strcmp(if_cfg->cfg->name, name)) {
3272 static struct iface *
3273 iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
3275 struct iface *iface;
3277 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3278 hash_int(ofp_port, 0), &br->ifaces) {
3279 if (iface->ofp_port == ofp_port) {
3286 /* Set Ethernet address of 'iface', if one is specified in the configuration
3289 iface_set_mac(struct iface *iface)
3291 uint8_t ea[ETH_ADDR_LEN];
3293 if (!strcmp(iface->type, "internal")
3294 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3295 if (iface->ofp_port == OFPP_LOCAL) {
3296 VLOG_ERR("interface %s: ignoring mac in Interface record "
3297 "(use Bridge record to set local port's mac)",
3299 } else if (eth_addr_is_multicast(ea)) {
3300 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3303 int error = netdev_set_etheraddr(iface->netdev, ea);
3305 VLOG_ERR("interface %s: setting MAC failed (%s)",
3306 iface->name, strerror(error));
3312 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3314 iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3316 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3317 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3321 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3322 * sets the "ofport" field to -1.
3324 * This is appropriate when 'if_cfg''s interface cannot be created or is
3325 * otherwise invalid. */
3327 iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3329 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3330 ovsrec_interface_set_status(if_cfg, NULL);
3331 ovsrec_interface_set_admin_state(if_cfg, NULL);
3332 ovsrec_interface_set_duplex(if_cfg, NULL);
3333 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3334 ovsrec_interface_set_link_state(if_cfg, NULL);
3335 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3336 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3337 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3338 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3339 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3340 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3344 struct iface_delete_queues_cbdata {
3345 struct netdev *netdev;
3346 const struct ovsdb_datum *queues;
3350 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3352 union ovsdb_atom atom;
3354 atom.integer = target;
3355 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
3359 iface_delete_queues(unsigned int queue_id,
3360 const struct smap *details OVS_UNUSED, void *cbdata_)
3362 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3364 if (!queue_ids_include(cbdata->queues, queue_id)) {
3365 netdev_delete_queue(cbdata->netdev, queue_id);
3370 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
3372 struct ofpbuf queues_buf;
3374 ofpbuf_init(&queues_buf, 0);
3376 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
3377 netdev_set_qos(iface->netdev, NULL, NULL);
3379 struct iface_delete_queues_cbdata cbdata;
3383 /* Configure top-level Qos for 'iface'. */
3384 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
3386 /* Deconfigure queues that were deleted. */
3387 cbdata.netdev = iface->netdev;
3388 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3390 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3392 /* Configure queues for 'iface'. */
3394 for (i = 0; i < qos->n_queues; i++) {
3395 const struct ovsrec_queue *queue = qos->value_queues[i];
3396 unsigned int queue_id = qos->key_queues[i];
3398 if (queue_id == 0) {
3402 if (queue->n_dscp == 1) {
3403 struct ofproto_port_queue *port_queue;
3405 port_queue = ofpbuf_put_uninit(&queues_buf,
3406 sizeof *port_queue);
3407 port_queue->queue = queue_id;
3408 port_queue->dscp = queue->dscp[0];
3411 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
3414 struct smap details;
3416 smap_init(&details);
3417 netdev_set_queue(iface->netdev, 0, &details);
3418 smap_destroy(&details);
3422 if (iface->ofp_port >= 0) {
3423 const struct ofproto_port_queue *port_queues = queues_buf.data;
3424 size_t n_queues = queues_buf.size / sizeof *port_queues;
3426 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3427 port_queues, n_queues);
3430 netdev_set_policing(iface->netdev,
3431 iface->cfg->ingress_policing_rate,
3432 iface->cfg->ingress_policing_burst);
3434 ofpbuf_uninit(&queues_buf);
3438 iface_configure_cfm(struct iface *iface)
3440 const struct ovsrec_interface *cfg = iface->cfg;
3441 const char *opstate_str;
3442 const char *cfm_ccm_vlan;
3443 struct cfm_settings s;
3444 struct smap netdev_args;
3446 if (!cfg->n_cfm_mpid) {
3447 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
3451 s.check_tnl_key = false;
3452 smap_init(&netdev_args);
3453 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3454 const char *key = smap_get(&netdev_args, "key");
3455 const char *in_key = smap_get(&netdev_args, "in_key");
3457 s.check_tnl_key = (key && !strcmp(key, "flow"))
3458 || (in_key && !strcmp(in_key, "flow"));
3460 smap_destroy(&netdev_args);
3462 s.mpid = *cfg->cfm_mpid;
3463 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3464 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3465 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3467 if (s.interval <= 0) {
3471 if (!cfm_ccm_vlan) {
3473 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
3474 s.ccm_vlan = CFM_RANDOM_VLAN;
3476 s.ccm_vlan = atoi(cfm_ccm_vlan);
3477 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3482 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3485 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3486 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
3488 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
3491 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3492 * instead of obtaining it from the database. */
3494 iface_is_synthetic(const struct iface *iface)
3496 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3500 iface_pick_ofport(const struct ovsrec_interface *cfg)
3502 int64_t ofport = cfg->n_ofport ? *cfg->ofport : OFPP_NONE;
3503 return cfg->n_ofport_request ? *cfg->ofport_request : ofport;
3507 /* Port mirroring. */
3509 static struct mirror *
3510 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3514 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3515 if (uuid_equals(uuid, &m->uuid)) {
3523 bridge_configure_mirrors(struct bridge *br)
3525 const struct ovsdb_datum *mc;
3526 unsigned long *flood_vlans;
3527 struct mirror *m, *next;
3530 /* Get rid of deleted mirrors. */
3531 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3532 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3533 union ovsdb_atom atom;
3535 atom.uuid = m->uuid;
3536 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3541 /* Add new mirrors and reconfigure existing ones. */
3542 for (i = 0; i < br->cfg->n_mirrors; i++) {
3543 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
3544 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
3546 m = mirror_create(br, cfg);
3549 if (!mirror_configure(m)) {
3554 /* Update flooded vlans (for RSPAN). */
3555 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3556 br->cfg->n_flood_vlans);
3557 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3558 bitmap_free(flood_vlans);
3561 static struct mirror *
3562 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
3566 m = xzalloc(sizeof *m);
3567 m->uuid = cfg->header_.uuid;
3568 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
3570 m->name = xstrdup(cfg->name);
3576 mirror_destroy(struct mirror *m)
3579 struct bridge *br = m->bridge;
3582 ofproto_mirror_unregister(br->ofproto, m);
3585 hmap_remove(&br->mirrors, &m->hmap_node);
3592 mirror_collect_ports(struct mirror *m,
3593 struct ovsrec_port **in_ports, int n_in_ports,
3594 void ***out_portsp, size_t *n_out_portsp)
3596 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3597 size_t n_out_ports = 0;
3600 for (i = 0; i < n_in_ports; i++) {
3601 const char *name = in_ports[i]->name;
3602 struct port *port = port_lookup(m->bridge, name);
3604 out_ports[n_out_ports++] = port;
3606 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3607 "port %s", m->bridge->name, m->name, name);
3610 *out_portsp = out_ports;
3611 *n_out_portsp = n_out_ports;
3615 mirror_configure(struct mirror *m)
3617 const struct ovsrec_mirror *cfg = m->cfg;
3618 struct ofproto_mirror_settings s;
3621 if (strcmp(cfg->name, m->name)) {
3623 m->name = xstrdup(cfg->name);
3627 /* Get output port or VLAN. */
3628 if (cfg->output_port) {
3629 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
3630 if (!s.out_bundle) {
3631 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3632 m->bridge->name, m->name);
3635 s.out_vlan = UINT16_MAX;
3637 if (cfg->output_vlan) {
3638 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3639 "output vlan; ignoring output vlan",
3640 m->bridge->name, m->name);
3642 } else if (cfg->output_vlan) {
3643 /* The database should prevent invalid VLAN values. */
3644 s.out_bundle = NULL;
3645 s.out_vlan = *cfg->output_vlan;
3647 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3648 m->bridge->name, m->name);
3652 /* Get port selection. */
3653 if (cfg->select_all) {
3654 size_t n_ports = hmap_count(&m->bridge->ports);
3655 void **ports = xmalloc(n_ports * sizeof *ports);
3660 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
3670 /* Get ports, dropping ports that don't exist.
3671 * The IDL ensures that there are no duplicates. */
3672 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
3673 &s.srcs, &s.n_srcs);
3674 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
3675 &s.dsts, &s.n_dsts);
3678 /* Get VLAN selection. */
3679 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3682 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3685 if (s.srcs != s.dsts) {
3694 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3696 * This is deprecated. It is only for compatibility with broken device drivers
3697 * in old versions of Linux that do not properly support VLANs when VLAN
3698 * devices are not used. When broken device drivers are no longer in
3699 * widespread use, we will delete these interfaces. */
3701 static struct ovsrec_port **recs;
3702 static size_t n_recs, allocated_recs;
3704 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3705 * splinters are reconfigured. */
3707 register_rec(struct ovsrec_port *rec)
3709 if (n_recs >= allocated_recs) {
3710 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
3712 recs[n_recs++] = rec;
3715 /* Frees all of the ports registered with register_reg(). */
3717 free_registered_recs(void)
3721 for (i = 0; i < n_recs; i++) {
3722 struct ovsrec_port *port = recs[i];
3725 for (j = 0; j < port->n_interfaces; j++) {
3726 struct ovsrec_interface *iface = port->interfaces[j];
3731 smap_destroy(&port->other_config);
3732 free(port->interfaces);
3740 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3743 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3745 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3749 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3752 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3753 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3754 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3757 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3758 * use, returns NULL.
3760 * Updates 'vlan_splinters_enabled_anywhere'. */
3761 static unsigned long int *
3762 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3764 unsigned long int *splinter_vlans;
3765 struct sset splinter_ifaces;
3766 const char *real_dev_name;
3767 struct shash *real_devs;
3768 struct shash_node *node;
3772 /* Free space allocated for synthesized ports and interfaces, since we're
3773 * in the process of reconstructing all of them. */
3774 free_registered_recs();
3776 splinter_vlans = bitmap_allocate(4096);
3777 sset_init(&splinter_ifaces);
3778 vlan_splinters_enabled_anywhere = false;
3779 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3780 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3783 for (j = 0; j < br_cfg->n_ports; j++) {
3784 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3787 for (k = 0; k < port_cfg->n_interfaces; k++) {
3788 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3790 if (vlan_splinters_is_enabled(iface_cfg)) {
3791 vlan_splinters_enabled_anywhere = true;
3792 sset_add(&splinter_ifaces, iface_cfg->name);
3793 vlan_bitmap_from_array__(port_cfg->trunks,
3799 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3800 bitmap_set1(splinter_vlans, *port_cfg->tag);
3805 if (!vlan_splinters_enabled_anywhere) {
3806 free(splinter_vlans);
3807 sset_destroy(&splinter_ifaces);
3811 HMAP_FOR_EACH (br, node, &all_bridges) {
3813 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3817 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3818 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3819 * device to be created for it. */
3820 bitmap_set0(splinter_vlans, 0);
3821 bitmap_set0(splinter_vlans, 4095);
3823 /* Delete all VLAN devices that we don't need. */
3825 real_devs = vlandev_get_real_devs();
3826 SHASH_FOR_EACH (node, real_devs) {
3827 const struct vlan_real_dev *real_dev = node->data;
3828 const struct vlan_dev *vlan_dev;
3829 bool real_dev_has_splinters;
3831 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3833 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3834 if (!real_dev_has_splinters
3835 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3836 struct netdev *netdev;
3838 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3839 if (!netdev_get_in4(netdev, NULL, NULL) ||
3840 !netdev_get_in6(netdev, NULL)) {
3841 vlandev_del(vlan_dev->name);
3843 /* It has an IP address configured, so we don't own
3844 * it. Don't delete it. */
3846 netdev_close(netdev);
3853 /* Add all VLAN devices that we need. */
3854 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3857 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3858 if (!vlandev_get_name(real_dev_name, vid)) {
3859 vlandev_add(real_dev_name, vid);
3866 sset_destroy(&splinter_ifaces);
3868 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3869 free(splinter_vlans);
3872 return splinter_vlans;
3875 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3878 configure_splinter_port(struct port *port)
3880 struct ofproto *ofproto = port->bridge->ofproto;
3881 uint16_t realdev_ofp_port;
3882 const char *realdev_name;
3883 struct iface *vlandev, *realdev;
3885 ofproto_bundle_unregister(port->bridge->ofproto, port);
3887 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3890 realdev_name = smap_get(&port->cfg->other_config, "realdev");
3891 realdev = iface_lookup(port->bridge, realdev_name);
3892 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3894 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3898 static struct ovsrec_port *
3899 synthesize_splinter_port(const char *real_dev_name,
3900 const char *vlan_dev_name, int vid)
3902 struct ovsrec_interface *iface;
3903 struct ovsrec_port *port;
3905 iface = xmalloc(sizeof *iface);
3906 ovsrec_interface_init(iface);
3907 iface->name = xstrdup(vlan_dev_name);
3908 iface->type = "system";
3910 port = xmalloc(sizeof *port);
3911 ovsrec_port_init(port);
3912 port->interfaces = xmemdup(&iface, sizeof iface);
3913 port->n_interfaces = 1;
3914 port->name = xstrdup(vlan_dev_name);
3915 port->vlan_mode = "splinter";
3916 port->tag = xmalloc(sizeof *port->tag);
3919 smap_add(&port->other_config, "realdev", real_dev_name);
3925 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3926 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3927 * 1-bit in the 'splinter_vlans' bitmap. */
3929 add_vlan_splinter_ports(struct bridge *br,
3930 const unsigned long int *splinter_vlans,
3931 struct shash *ports)
3935 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3936 * we're modifying 'ports'. */
3937 for (i = 0; i < br->cfg->n_ports; i++) {
3938 const char *name = br->cfg->ports[i]->name;
3939 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3942 for (j = 0; j < port_cfg->n_interfaces; j++) {
3943 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3945 if (vlan_splinters_is_enabled(iface_cfg)) {
3946 const char *real_dev_name;
3949 real_dev_name = iface_cfg->name;
3950 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3951 const char *vlan_dev_name;
3953 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3955 && !shash_find(ports, vlan_dev_name)) {
3956 shash_add(ports, vlan_dev_name,
3957 synthesize_splinter_port(
3958 real_dev_name, vlan_dev_name, vid));
3967 mirror_refresh_stats(struct mirror *m)
3969 struct ofproto *ofproto = m->bridge->ofproto;
3970 uint64_t tx_packets, tx_bytes;
3973 size_t stat_cnt = 0;
3975 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3976 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
3980 if (tx_packets != UINT64_MAX) {
3981 keys[stat_cnt] = "tx_packets";
3982 values[stat_cnt] = tx_packets;
3985 if (tx_bytes != UINT64_MAX) {
3986 keys[stat_cnt] = "tx_bytes";
3987 values[stat_cnt] = tx_bytes;
3991 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);