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 int fault, opup, error;
1747 const uint64_t *rmps;
1751 fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto,
1754 const char *reasons[CFM_FAULT_N_REASONS];
1755 bool fault_bool = fault;
1759 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1760 int reason = 1 << i;
1761 if (fault & reason) {
1762 reasons[j++] = cfm_fault_reason_to_str(reason);
1766 ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1);
1767 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1769 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1770 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1773 opup = ofproto_port_get_cfm_opup(iface->port->bridge->ofproto,
1776 ovsrec_interface_set_cfm_remote_opstate(cfg, opup ? "up" : "down");
1778 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1781 error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto,
1782 iface->ofp_port, &rmps, &n_rmps);
1784 ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps,
1787 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1790 health = ofproto_port_get_cfm_health(iface->port->bridge->ofproto,
1793 int64_t cfm_health = health;
1794 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1796 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1801 iface_refresh_stats(struct iface *iface)
1803 #define IFACE_STATS \
1804 IFACE_STAT(rx_packets, "rx_packets") \
1805 IFACE_STAT(tx_packets, "tx_packets") \
1806 IFACE_STAT(rx_bytes, "rx_bytes") \
1807 IFACE_STAT(tx_bytes, "tx_bytes") \
1808 IFACE_STAT(rx_dropped, "rx_dropped") \
1809 IFACE_STAT(tx_dropped, "tx_dropped") \
1810 IFACE_STAT(rx_errors, "rx_errors") \
1811 IFACE_STAT(tx_errors, "tx_errors") \
1812 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1813 IFACE_STAT(rx_over_errors, "rx_over_err") \
1814 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1815 IFACE_STAT(collisions, "collisions")
1817 #define IFACE_STAT(MEMBER, NAME) NAME,
1818 static char *keys[] = { IFACE_STATS };
1820 int64_t values[ARRAY_SIZE(keys)];
1823 struct netdev_stats stats;
1825 if (iface_is_synthetic(iface)) {
1829 /* Intentionally ignore return value, since errors will set 'stats' to
1830 * all-1s, and we will deal with that correctly below. */
1831 netdev_get_stats(iface->netdev, &stats);
1833 /* Copy statistics into values[] array. */
1835 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1838 ovs_assert(i == ARRAY_SIZE(keys));
1840 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1846 br_refresh_stp_status(struct bridge *br)
1848 struct smap smap = SMAP_INITIALIZER(&smap);
1849 struct ofproto *ofproto = br->ofproto;
1850 struct ofproto_stp_status status;
1852 if (ofproto_get_stp_status(ofproto, &status)) {
1856 if (!status.enabled) {
1857 ovsrec_bridge_set_status(br->cfg, NULL);
1861 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1862 STP_ID_ARGS(status.bridge_id));
1863 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1864 STP_ID_ARGS(status.designated_root));
1865 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
1867 ovsrec_bridge_set_status(br->cfg, &smap);
1868 smap_destroy(&smap);
1872 port_refresh_stp_status(struct port *port)
1874 struct ofproto *ofproto = port->bridge->ofproto;
1875 struct iface *iface;
1876 struct ofproto_port_stp_status status;
1878 int64_t int_values[3];
1881 if (port_is_synthetic(port)) {
1885 /* STP doesn't currently support bonds. */
1886 if (!list_is_singleton(&port->ifaces)) {
1887 ovsrec_port_set_status(port->cfg, NULL);
1891 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1893 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1897 if (!status.enabled) {
1898 ovsrec_port_set_status(port->cfg, NULL);
1899 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
1903 /* Set Status column. */
1905 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1906 smap_add(&smap, "stp_state", stp_state_name(status.state));
1907 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1908 smap_add(&smap, "stp_role", stp_role_name(status.role));
1909 ovsrec_port_set_status(port->cfg, &smap);
1910 smap_destroy(&smap);
1912 /* Set Statistics column. */
1913 keys[0] = "stp_tx_count";
1914 int_values[0] = status.tx_count;
1915 keys[1] = "stp_rx_count";
1916 int_values[1] = status.rx_count;
1917 keys[2] = "stp_error_count";
1918 int_values[2] = status.error_count;
1920 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1921 ARRAY_SIZE(int_values));
1925 enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1927 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
1931 reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
1933 bool enable = enable_system_stats(cfg);
1935 system_stats_enable(enable);
1937 ovsrec_open_vswitch_set_statistics(cfg, NULL);
1942 run_system_stats(void)
1944 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1947 stats = system_stats_run();
1949 struct ovsdb_idl_txn *txn;
1950 struct ovsdb_datum datum;
1952 txn = ovsdb_idl_txn_create(idl);
1953 ovsdb_datum_from_smap(&datum, stats);
1954 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1956 ovsdb_idl_txn_commit(txn);
1957 ovsdb_idl_txn_destroy(txn);
1963 static inline const char *
1964 nx_role_to_str(enum nx_role role)
1969 case NX_ROLE_MASTER:
1974 return "*** INVALID ROLE ***";
1979 refresh_controller_status(void)
1983 const struct ovsrec_controller *cfg;
1987 /* Accumulate status for controllers on all bridges. */
1988 HMAP_FOR_EACH (br, node, &all_bridges) {
1989 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1992 /* Update each controller in the database with current status. */
1993 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
1994 struct ofproto_controller_info *cinfo =
1995 shash_find_data(&info, cfg->target);
1998 struct smap smap = SMAP_INITIALIZER(&smap);
1999 const char **values = cinfo->pairs.values;
2000 const char **keys = cinfo->pairs.keys;
2003 for (i = 0; i < cinfo->pairs.n; i++) {
2004 smap_add(&smap, keys[i], values[i]);
2007 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
2008 ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role));
2009 ovsrec_controller_set_status(cfg, &smap);
2010 smap_destroy(&smap);
2012 ovsrec_controller_set_is_connected(cfg, false);
2013 ovsrec_controller_set_role(cfg, NULL);
2014 ovsrec_controller_set_status(cfg, NULL);
2018 ofproto_free_ofproto_controller_info(&info);
2022 refresh_instant_stats(void)
2024 static struct ovsdb_idl_txn *txn = NULL;
2029 txn = ovsdb_idl_txn_create(idl);
2031 HMAP_FOR_EACH (br, node, &all_bridges) {
2032 struct iface *iface;
2035 br_refresh_stp_status(br);
2037 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2038 port_refresh_stp_status(port);
2041 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
2042 enum netdev_flags flags;
2043 const char *link_state;
2044 int64_t link_resets;
2047 if (iface_is_synthetic(iface)) {
2051 current = ofproto_port_is_lacp_current(br->ofproto,
2055 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2057 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2060 error = netdev_get_flags(iface->netdev, &flags);
2062 const char *state = flags & NETDEV_UP ? "up" : "down";
2063 ovsrec_interface_set_admin_state(iface->cfg, state);
2065 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2068 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2069 ovsrec_interface_set_link_state(iface->cfg, link_state);
2071 link_resets = netdev_get_carrier_resets(iface->netdev);
2072 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2074 iface_refresh_cfm_stats(iface);
2079 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2080 ovsdb_idl_txn_destroy(txn);
2085 /* Performs periodic activity required by bridges that needs to be done with
2086 * the least possible latency.
2088 * It makes sense to call this function a couple of times per poll loop, to
2089 * provide a significant performance boost on some benchmarks with ofprotos
2090 * that use the ofproto-dpif implementation. */
2092 bridge_run_fast(void)
2099 ofproto_enumerate_types(&types);
2100 SSET_FOR_EACH (type, &types) {
2101 ofproto_type_run_fast(type);
2103 sset_destroy(&types);
2105 HMAP_FOR_EACH (br, node, &all_bridges) {
2106 ofproto_run_fast(br->ofproto);
2113 static struct ovsrec_open_vswitch null_cfg;
2114 const struct ovsrec_open_vswitch *cfg;
2115 struct ovsdb_idl_txn *reconf_txn = NULL;
2119 bool vlan_splinters_changed;
2122 ovsrec_open_vswitch_init(&null_cfg);
2124 /* (Re)configure if necessary. */
2125 if (!reconfiguring) {
2128 if (ovsdb_idl_is_lock_contended(idl)) {
2129 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2130 struct bridge *br, *next_br;
2132 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2133 "disabling this process until it goes away");
2135 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2139 } else if (!ovsdb_idl_has_lock(idl)) {
2143 cfg = ovsrec_open_vswitch_first(idl);
2145 /* Initialize the ofproto library. This only needs to run once, but
2146 * it must be done after the configuration is set. If the
2147 * initialization has already occurred, bridge_init_ofproto()
2148 * returns immediately. */
2149 bridge_init_ofproto(cfg);
2151 /* Let each datapath type do the work that it needs to do. */
2153 ofproto_enumerate_types(&types);
2154 SSET_FOR_EACH (type, &types) {
2155 ofproto_type_run(type);
2157 sset_destroy(&types);
2159 /* Let each bridge do the work that it needs to do. */
2160 HMAP_FOR_EACH (br, node, &all_bridges) {
2161 ofproto_run(br->ofproto);
2164 /* Re-configure SSL. We do this on every trip through the main loop,
2165 * instead of just when the database changes, because the contents of the
2166 * key and certificate files can change without the database changing.
2168 * We do this before bridge_reconfigure() because that function might
2169 * initiate SSL connections and thus requires SSL to be configured. */
2170 if (cfg && cfg->ssl) {
2171 const struct ovsrec_ssl *ssl = cfg->ssl;
2173 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2174 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2177 if (!reconfiguring) {
2178 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2179 * usage has changed. */
2180 vlan_splinters_changed = false;
2181 if (vlan_splinters_enabled_anywhere) {
2182 HMAP_FOR_EACH (br, node, &all_bridges) {
2183 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2184 vlan_splinters_changed = true;
2190 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2191 idl_seqno = ovsdb_idl_get_seqno(idl);
2193 reconf_txn = ovsdb_idl_txn_create(idl);
2194 bridge_reconfigure(cfg);
2196 /* We still need to reconfigure to avoid dangling pointers to
2197 * now-destroyed ovsrec structures inside bridge data. */
2198 bridge_reconfigure(&null_cfg);
2203 if (reconfiguring) {
2206 reconf_txn = ovsdb_idl_txn_create(idl);
2208 if (bridge_reconfigure_continue(cfg)) {
2209 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2212 bridge_reconfigure_continue(&null_cfg);
2217 ovsdb_idl_txn_commit(reconf_txn);
2218 ovsdb_idl_txn_destroy(reconf_txn);
2222 /* Refresh interface and mirror stats if necessary. */
2223 if (time_msec() >= iface_stats_timer) {
2225 struct ovsdb_idl_txn *txn;
2227 txn = ovsdb_idl_txn_create(idl);
2228 HMAP_FOR_EACH (br, node, &all_bridges) {
2232 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2233 struct iface *iface;
2235 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
2236 iface_refresh_stats(iface);
2237 iface_refresh_status(iface);
2241 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2242 mirror_refresh_stats(m);
2246 refresh_controller_status();
2247 ovsdb_idl_txn_commit(txn);
2248 ovsdb_idl_txn_destroy(txn); /* XXX */
2251 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
2255 refresh_instant_stats();
2264 ovsdb_idl_wait(idl);
2266 if (reconfiguring) {
2267 poll_immediate_wake();
2271 ofproto_enumerate_types(&types);
2272 SSET_FOR_EACH (type, &types) {
2273 ofproto_type_wait(type);
2275 sset_destroy(&types);
2277 if (!hmap_is_empty(&all_bridges)) {
2280 HMAP_FOR_EACH (br, node, &all_bridges) {
2281 ofproto_wait(br->ofproto);
2283 poll_timer_wait_until(iface_stats_timer);
2286 system_stats_wait();
2289 /* Adds some memory usage statistics for bridges into 'usage', for use with
2290 * memory_report(). */
2292 bridge_get_memory_usage(struct simap *usage)
2296 HMAP_FOR_EACH (br, node, &all_bridges) {
2297 ofproto_get_memory_usage(br->ofproto, usage);
2301 /* QoS unixctl user interface functions. */
2303 struct qos_unixctl_show_cbdata {
2305 struct iface *iface;
2309 qos_unixctl_show_cb(unsigned int queue_id,
2310 const struct smap *details,
2313 struct qos_unixctl_show_cbdata *data = aux;
2314 struct ds *ds = data->ds;
2315 struct iface *iface = data->iface;
2316 struct netdev_queue_stats stats;
2317 struct smap_node *node;
2320 ds_put_cstr(ds, "\n");
2322 ds_put_format(ds, "Queue %u:\n", queue_id);
2324 ds_put_cstr(ds, "Default:\n");
2327 SMAP_FOR_EACH (node, details) {
2328 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
2331 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2333 if (stats.tx_packets != UINT64_MAX) {
2334 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2337 if (stats.tx_bytes != UINT64_MAX) {
2338 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2341 if (stats.tx_errors != UINT64_MAX) {
2342 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2345 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2346 queue_id, strerror(error));
2351 qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2352 const char *argv[], void *aux OVS_UNUSED)
2354 struct ds ds = DS_EMPTY_INITIALIZER;
2355 struct smap smap = SMAP_INITIALIZER(&smap);
2356 struct iface *iface;
2358 struct smap_node *node;
2359 struct qos_unixctl_show_cbdata data;
2362 iface = iface_find(argv[1]);
2364 unixctl_command_reply_error(conn, "no such interface");
2368 netdev_get_qos(iface->netdev, &type, &smap);
2370 if (*type != '\0') {
2371 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2373 SMAP_FOR_EACH (node, &smap) {
2374 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
2379 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2382 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2384 unixctl_command_reply(conn, ds_cstr(&ds));
2386 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
2387 unixctl_command_reply_error(conn, ds_cstr(&ds));
2390 smap_destroy(&smap);
2394 /* Bridge reconfiguration functions. */
2396 bridge_create(const struct ovsrec_bridge *br_cfg)
2400 ovs_assert(!bridge_lookup(br_cfg->name));
2401 br = xzalloc(sizeof *br);
2403 br->name = xstrdup(br_cfg->name);
2404 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
2407 /* Derive the default Ethernet address from the bridge's UUID. This should
2408 * be unique and it will be stable between ovs-vswitchd runs. */
2409 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2410 eth_addr_mark_random(br->default_ea);
2412 hmap_init(&br->ports);
2413 hmap_init(&br->ifaces);
2414 hmap_init(&br->iface_by_name);
2415 hmap_init(&br->mirrors);
2417 hmap_init(&br->if_cfg_todo);
2418 list_init(&br->ofpp_garbage);
2420 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
2424 bridge_destroy(struct bridge *br)
2427 struct mirror *mirror, *next_mirror;
2428 struct port *port, *next_port;
2429 struct if_cfg *if_cfg, *next_if_cfg;
2430 struct ofpp_garbage *garbage, *next_garbage;
2432 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
2435 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2436 mirror_destroy(mirror);
2438 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2439 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2442 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2443 &br->ofpp_garbage) {
2444 list_remove(&garbage->list_node);
2448 hmap_remove(&all_bridges, &br->node);
2449 ofproto_destroy(br->ofproto);
2450 hmap_destroy(&br->ifaces);
2451 hmap_destroy(&br->ports);
2452 hmap_destroy(&br->iface_by_name);
2453 hmap_destroy(&br->mirrors);
2454 hmap_destroy(&br->if_cfg_todo);
2461 static struct bridge *
2462 bridge_lookup(const char *name)
2466 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
2467 if (!strcmp(br->name, name)) {
2474 /* Handle requests for a listing of all flows known by the OpenFlow
2475 * stack, including those normally hidden. */
2477 bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2478 const char *argv[], void *aux OVS_UNUSED)
2483 br = bridge_lookup(argv[1]);
2485 unixctl_command_reply_error(conn, "Unknown bridge");
2490 ofproto_get_all_flows(br->ofproto, &results);
2492 unixctl_command_reply(conn, ds_cstr(&results));
2493 ds_destroy(&results);
2496 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2497 * connections and reconnect. If BRIDGE is not specified, then all bridges
2498 * drop their controller connections and reconnect. */
2500 bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2501 const char *argv[], void *aux OVS_UNUSED)
2505 br = bridge_lookup(argv[1]);
2507 unixctl_command_reply_error(conn, "Unknown bridge");
2510 ofproto_reconnect_controllers(br->ofproto);
2512 HMAP_FOR_EACH (br, node, &all_bridges) {
2513 ofproto_reconnect_controllers(br->ofproto);
2516 unixctl_command_reply(conn, NULL);
2520 bridge_get_controllers(const struct bridge *br,
2521 struct ovsrec_controller ***controllersp)
2523 struct ovsrec_controller **controllers;
2524 size_t n_controllers;
2526 controllers = br->cfg->controller;
2527 n_controllers = br->cfg->n_controller;
2529 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2535 *controllersp = controllers;
2537 return n_controllers;
2541 bridge_queue_if_cfg(struct bridge *br,
2542 const struct ovsrec_interface *cfg,
2543 const struct ovsrec_port *parent)
2545 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2548 if_cfg->parent = parent;
2549 if_cfg->ofport = iface_pick_ofport(cfg);
2550 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2551 hash_string(if_cfg->cfg->name, 0));
2554 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2555 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2556 * 'br' needs to complete its configuration. */
2558 bridge_add_del_ports(struct bridge *br,
2559 const unsigned long int *splinter_vlans)
2561 struct shash_node *port_node;
2562 struct port *port, *next;
2563 struct shash new_ports;
2566 ovs_assert(hmap_is_empty(&br->if_cfg_todo));
2568 /* Collect new ports. */
2569 shash_init(&new_ports);
2570 for (i = 0; i < br->cfg->n_ports; i++) {
2571 const char *name = br->cfg->ports[i]->name;
2572 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2573 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2577 if (bridge_get_controllers(br, NULL)
2578 && !shash_find(&new_ports, br->name)) {
2579 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2580 br->name, br->name);
2582 ovsrec_interface_init(&br->synth_local_iface);
2583 ovsrec_port_init(&br->synth_local_port);
2585 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2586 br->synth_local_port.n_interfaces = 1;
2587 br->synth_local_port.name = br->name;
2589 br->synth_local_iface.name = br->name;
2590 br->synth_local_iface.type = "internal";
2592 br->synth_local_ifacep = &br->synth_local_iface;
2594 shash_add(&new_ports, br->name, &br->synth_local_port);
2597 if (splinter_vlans) {
2598 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2601 /* Get rid of deleted ports.
2602 * Get rid of deleted interfaces on ports that still exist. */
2603 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
2604 port->cfg = shash_find_data(&new_ports, port->name);
2608 port_del_ifaces(port);
2612 /* Update iface->cfg and iface->type in interfaces that still exist.
2613 * Add new interfaces to creation queue. */
2614 SHASH_FOR_EACH (port_node, &new_ports) {
2615 const struct ovsrec_port *port = port_node->data;
2618 for (i = 0; i < port->n_interfaces; i++) {
2619 const struct ovsrec_interface *cfg = port->interfaces[i];
2620 struct iface *iface = iface_lookup(br, cfg->name);
2621 const char *type = iface_get_type(cfg, br->cfg);
2626 } else if (!strcmp(type, "null")) {
2627 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2628 " may be removed in February 2013. Please email"
2629 " dev@openvswitch.org with concerns.",
2632 bridge_queue_if_cfg(br, cfg, port);
2637 shash_destroy(&new_ports);
2640 /* Initializes 'oc' appropriately as a management service controller for
2643 * The caller must free oc->target when it is no longer needed. */
2645 bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2646 struct ofproto_controller *oc)
2648 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
2649 oc->max_backoff = 0;
2650 oc->probe_interval = 60;
2651 oc->band = OFPROTO_OUT_OF_BAND;
2653 oc->burst_limit = 0;
2654 oc->enable_async_msgs = true;
2657 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2659 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2660 struct ofproto_controller *oc)
2664 oc->target = c->target;
2665 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2666 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2667 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2668 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
2669 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2670 oc->burst_limit = (c->controller_burst_limit
2671 ? *c->controller_burst_limit : 0);
2672 oc->enable_async_msgs = (!c->enable_async_messages
2673 || *c->enable_async_messages);
2674 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2675 if (dscp < 0 || dscp > 63) {
2676 dscp = DSCP_DEFAULT;
2681 /* Configures the IP stack for 'br''s local interface properly according to the
2682 * configuration in 'c'. */
2684 bridge_configure_local_iface_netdev(struct bridge *br,
2685 struct ovsrec_controller *c)
2687 struct netdev *netdev;
2688 struct in_addr mask, gateway;
2690 struct iface *local_iface;
2693 /* If there's no local interface or no IP address, give up. */
2694 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
2695 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2699 /* Bring up the local interface. */
2700 netdev = local_iface->netdev;
2701 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2703 /* Configure the IP address and netmask. */
2704 if (!c->local_netmask
2705 || !inet_aton(c->local_netmask, &mask)
2707 mask.s_addr = guess_netmask(ip.s_addr);
2709 if (!netdev_set_in4(netdev, ip, mask)) {
2710 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
2711 br->name, IP_ARGS(ip.s_addr), IP_ARGS(mask.s_addr));
2714 /* Configure the default gateway. */
2715 if (c->local_gateway
2716 && inet_aton(c->local_gateway, &gateway)
2717 && gateway.s_addr) {
2718 if (!netdev_add_router(netdev, gateway)) {
2719 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
2720 br->name, IP_ARGS(gateway.s_addr));
2725 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2726 * in either string are treated as equal to any number of slashes in the other,
2727 * e.g. "x///y" is equal to "x/y".
2729 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
2730 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
2731 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
2732 * 'b' against a prefix of 'a'.
2735 equal_pathnames(const char *a, const char *b, size_t b_stoplen)
2737 const char *b_start = b;
2739 if (b - b_start >= b_stoplen) {
2741 } else if (*a != *b) {
2743 } else if (*a == '/') {
2744 a += strspn(a, "/");
2745 b += strspn(b, "/");
2746 } else if (*a == '\0') {
2756 bridge_configure_remotes(struct bridge *br,
2757 const struct sockaddr_in *managers, size_t n_managers)
2759 bool disable_in_band;
2761 struct ovsrec_controller **controllers;
2762 size_t n_controllers;
2764 enum ofproto_fail_mode fail_mode;
2766 struct ofproto_controller *ocs;
2770 /* Check if we should disable in-band control on this bridge. */
2771 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2774 /* Set OpenFlow queue ID for in-band control. */
2775 ofproto_set_in_band_queue(br->ofproto,
2776 smap_get_int(&br->cfg->other_config,
2777 "in-band-queue", -1));
2779 if (disable_in_band) {
2780 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2782 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2785 n_controllers = bridge_get_controllers(br, &controllers);
2787 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2790 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2791 for (i = 0; i < n_controllers; i++) {
2792 struct ovsrec_controller *c = controllers[i];
2794 if (!strncmp(c->target, "punix:", 6)
2795 || !strncmp(c->target, "unix:", 5)) {
2796 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2799 if (!strncmp(c->target, "unix:", 5)) {
2800 /* Connect to a listening socket */
2801 whitelist = xasprintf("unix:%s/", ovs_rundir());
2802 if (!equal_pathnames(c->target, whitelist,
2803 strlen(whitelist))) {
2804 VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket "
2805 "controller \"%s\" due to possibility for "
2806 "remote exploit. Instead, specify socket "
2807 "in whitelisted \"%s\" or connect to "
2808 "\"unix:%s/%s.mgmt\" (which is always "
2809 "available without special configuration).",
2810 br->name, c->target, whitelist,
2811 ovs_rundir(), br->name);
2816 whitelist = xasprintf("punix:%s/%s.controller",
2817 ovs_rundir(), br->name);
2818 if (!equal_pathnames(c->target, whitelist, SIZE_MAX)) {
2819 /* Prevent remote ovsdb-server users from accessing
2820 * arbitrary Unix domain sockets and overwriting arbitrary
2822 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2823 "controller \"%s\" due to possibility of "
2824 "overwriting local files. Instead, specify "
2825 "whitelisted \"%s\" or connect to "
2826 "\"unix:%s/%s.mgmt\" (which is always "
2827 "available without special configuration).",
2828 br->name, c->target, whitelist,
2829 ovs_rundir(), br->name);
2838 bridge_configure_local_iface_netdev(br, c);
2839 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2840 if (disable_in_band) {
2841 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
2846 ofproto_set_controllers(br->ofproto, ocs, n_ocs,
2847 bridge_get_allowed_versions(br));
2848 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2851 /* Set the fail-mode. */
2852 fail_mode = !br->cfg->fail_mode
2853 || !strcmp(br->cfg->fail_mode, "standalone")
2854 ? OFPROTO_FAIL_STANDALONE
2855 : OFPROTO_FAIL_SECURE;
2856 ofproto_set_fail_mode(br->ofproto, fail_mode);
2858 /* Configure OpenFlow controller connection snooping. */
2859 if (!ofproto_has_snoops(br->ofproto)) {
2863 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2864 ovs_rundir(), br->name));
2865 ofproto_set_snoops(br->ofproto, &snoops);
2866 sset_destroy(&snoops);
2871 bridge_configure_tables(struct bridge *br)
2873 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2877 n_tables = ofproto_get_n_tables(br->ofproto);
2879 for (i = 0; i < n_tables; i++) {
2880 struct ofproto_table_settings s;
2883 s.max_flows = UINT_MAX;
2887 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2888 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2891 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2892 s.max_flows = *cfg->flow_limit;
2894 if (cfg->overflow_policy
2895 && !strcmp(cfg->overflow_policy, "evict")) {
2898 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2899 for (k = 0; k < cfg->n_groups; k++) {
2900 const char *string = cfg->groups[k];
2903 msg = mf_parse_subfield__(&s.groups[k], &string);
2905 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2906 "'groups' (%s)", br->name, i, msg);
2908 } else if (*string) {
2909 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2910 "element '%s' contains trailing garbage",
2911 br->name, i, cfg->groups[k]);
2919 ofproto_configure_table(br->ofproto, i, &s);
2923 for (; j < br->cfg->n_flow_tables; j++) {
2924 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2925 "%"PRId64" not supported by this datapath", br->name,
2926 br->cfg->key_flow_tables[j]);
2931 bridge_configure_dp_desc(struct bridge *br)
2933 ofproto_set_dp_desc(br->ofproto,
2934 smap_get(&br->cfg->other_config, "dp-desc"));
2937 /* Port functions. */
2939 static struct port *
2940 port_create(struct bridge *br, const struct ovsrec_port *cfg)
2944 port = xzalloc(sizeof *port);
2946 port->name = xstrdup(cfg->name);
2948 list_init(&port->ifaces);
2950 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
2954 /* Deletes interfaces from 'port' that are no longer configured for it. */
2956 port_del_ifaces(struct port *port)
2958 struct iface *iface, *next;
2959 struct sset new_ifaces;
2962 /* Collect list of new interfaces. */
2963 sset_init(&new_ifaces);
2964 for (i = 0; i < port->cfg->n_interfaces; i++) {
2965 const char *name = port->cfg->interfaces[i]->name;
2966 const char *type = port->cfg->interfaces[i]->type;
2967 if (strcmp(type, "null")) {
2968 sset_add(&new_ifaces, name);
2972 /* Get rid of deleted interfaces. */
2973 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2974 if (!sset_contains(&new_ifaces, iface->name)) {
2975 iface_destroy(iface);
2979 sset_destroy(&new_ifaces);
2983 port_destroy(struct port *port)
2986 struct bridge *br = port->bridge;
2987 struct iface *iface, *next;
2990 ofproto_bundle_unregister(br->ofproto, port);
2993 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2994 iface_destroy(iface);
2997 hmap_remove(&br->ports, &port->hmap_node);
3003 static struct port *
3004 port_lookup(const struct bridge *br, const char *name)
3008 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
3010 if (!strcmp(port->name, name)) {
3018 enable_lacp(struct port *port, bool *activep)
3020 if (!port->cfg->lacp) {
3021 /* XXX when LACP implementation has been sufficiently tested, enable by
3022 * default and make active on bonded ports. */
3024 } else if (!strcmp(port->cfg->lacp, "off")) {
3026 } else if (!strcmp(port->cfg->lacp, "active")) {
3029 } else if (!strcmp(port->cfg->lacp, "passive")) {
3033 VLOG_WARN("port %s: unknown LACP mode %s",
3034 port->name, port->cfg->lacp);
3039 static struct lacp_settings *
3040 port_configure_lacp(struct port *port, struct lacp_settings *s)
3042 const char *lacp_time, *system_id;
3045 if (!enable_lacp(port, &s->active)) {
3049 s->name = port->name;
3051 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
3053 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3054 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3055 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3056 " address.", port->name, system_id);
3060 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3063 if (eth_addr_is_zero(s->id)) {
3064 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3068 /* Prefer bondable links if unspecified. */
3069 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3071 s->priority = (priority > 0 && priority <= UINT16_MAX
3073 : UINT16_MAX - !list_is_short(&port->ifaces));
3075 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3076 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
3081 iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3083 int priority, portid, key;
3085 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3086 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3088 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
3090 if (portid <= 0 || portid > UINT16_MAX) {
3091 portid = iface->ofp_port;
3094 if (priority <= 0 || priority > UINT16_MAX) {
3095 priority = UINT16_MAX;
3098 if (key < 0 || key > UINT16_MAX) {
3102 s->name = iface->name;
3104 s->priority = priority;
3109 port_configure_bond(struct port *port, struct bond_settings *s)
3111 const char *detect_s;
3112 struct iface *iface;
3113 int miimon_interval;
3115 s->name = port->name;
3117 if (port->cfg->bond_mode) {
3118 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3119 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3120 port->name, port->cfg->bond_mode,
3121 bond_mode_to_string(s->balance));
3124 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3126 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3127 * active-backup. At some point we should remove this warning. */
3128 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
3129 " in previous versions, the default bond_mode was"
3130 " balance-slb", port->name,
3131 bond_mode_to_string(s->balance));
3133 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3134 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3135 "please use another bond type or disable flood_vlans",
3139 miimon_interval = smap_get_int(&port->cfg->other_config,
3140 "bond-miimon-interval", 0);
3141 if (miimon_interval <= 0) {
3142 miimon_interval = 200;
3145 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3146 if (!detect_s || !strcmp(detect_s, "carrier")) {
3147 miimon_interval = 0;
3148 } else if (strcmp(detect_s, "miimon")) {
3149 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3150 "defaulting to carrier", port->name, detect_s);
3151 miimon_interval = 0;
3154 s->up_delay = MAX(0, port->cfg->bond_updelay);
3155 s->down_delay = MAX(0, port->cfg->bond_downdelay);
3156 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3157 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3158 "bond-rebalance-interval", 10000);
3159 if (s->rebalance_interval && s->rebalance_interval < 1000) {
3160 s->rebalance_interval = 1000;
3163 s->fake_iface = port->cfg->bond_fake_iface;
3165 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
3166 netdev_set_miimon_interval(iface->netdev, miimon_interval);
3170 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
3171 * instead of obtaining it from the database. */
3173 port_is_synthetic(const struct port *port)
3175 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3178 /* Interface functions. */
3181 iface_is_internal(const struct ovsrec_interface *iface,
3182 const struct ovsrec_bridge *br)
3184 /* The local port and "internal" ports are always "internal". */
3185 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
3188 /* Returns the correct network device type for interface 'iface' in bridge
3191 iface_get_type(const struct ovsrec_interface *iface,
3192 const struct ovsrec_bridge *br)
3196 /* The local port always has type "internal". Other ports take
3197 * their type from the database and default to "system" if none is
3199 if (iface_is_internal(iface, br)) {
3202 type = iface->type[0] ? iface->type : "system";
3205 return ofproto_port_open_type(br->datapath_type, type);
3209 iface_destroy(struct iface *iface)
3212 struct port *port = iface->port;
3213 struct bridge *br = port->bridge;
3215 if (br->ofproto && iface->ofp_port >= 0) {
3216 ofproto_port_unregister(br->ofproto, iface->ofp_port);
3219 if (iface->ofp_port >= 0) {
3220 hmap_remove(&br->ifaces, &iface->ofp_port_node);
3223 list_remove(&iface->port_elem);
3224 hmap_remove(&br->iface_by_name, &iface->name_node);
3226 netdev_close(iface->netdev);
3233 static struct iface *
3234 iface_lookup(const struct bridge *br, const char *name)
3236 struct iface *iface;
3238 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3239 &br->iface_by_name) {
3240 if (!strcmp(iface->name, name)) {
3248 static struct iface *
3249 iface_find(const char *name)
3251 const struct bridge *br;
3253 HMAP_FOR_EACH (br, node, &all_bridges) {
3254 struct iface *iface = iface_lookup(br, name);
3263 static struct if_cfg *
3264 if_cfg_lookup(const struct bridge *br, const char *name)
3266 struct if_cfg *if_cfg;
3268 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3270 if (!strcmp(if_cfg->cfg->name, name)) {
3278 static struct iface *
3279 iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
3281 struct iface *iface;
3283 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3284 hash_int(ofp_port, 0), &br->ifaces) {
3285 if (iface->ofp_port == ofp_port) {
3292 /* Set Ethernet address of 'iface', if one is specified in the configuration
3295 iface_set_mac(struct iface *iface)
3297 uint8_t ea[ETH_ADDR_LEN];
3299 if (!strcmp(iface->type, "internal")
3300 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
3301 if (iface->ofp_port == OFPP_LOCAL) {
3302 VLOG_ERR("interface %s: ignoring mac in Interface record "
3303 "(use Bridge record to set local port's mac)",
3305 } else if (eth_addr_is_multicast(ea)) {
3306 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3309 int error = netdev_set_etheraddr(iface->netdev, ea);
3311 VLOG_ERR("interface %s: setting MAC failed (%s)",
3312 iface->name, strerror(error));
3318 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3320 iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3322 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3323 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3327 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3328 * sets the "ofport" field to -1.
3330 * This is appropriate when 'if_cfg''s interface cannot be created or is
3331 * otherwise invalid. */
3333 iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3335 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
3336 ovsrec_interface_set_status(if_cfg, NULL);
3337 ovsrec_interface_set_admin_state(if_cfg, NULL);
3338 ovsrec_interface_set_duplex(if_cfg, NULL);
3339 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3340 ovsrec_interface_set_link_state(if_cfg, NULL);
3341 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3342 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
3343 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3344 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3345 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3346 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3350 struct iface_delete_queues_cbdata {
3351 struct netdev *netdev;
3352 const struct ovsdb_datum *queues;
3356 queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
3358 union ovsdb_atom atom;
3360 atom.integer = target;
3361 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
3365 iface_delete_queues(unsigned int queue_id,
3366 const struct smap *details OVS_UNUSED, void *cbdata_)
3368 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3370 if (!queue_ids_include(cbdata->queues, queue_id)) {
3371 netdev_delete_queue(cbdata->netdev, queue_id);
3376 iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
3378 struct ofpbuf queues_buf;
3380 ofpbuf_init(&queues_buf, 0);
3382 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
3383 netdev_set_qos(iface->netdev, NULL, NULL);
3385 struct iface_delete_queues_cbdata cbdata;
3389 /* Configure top-level Qos for 'iface'. */
3390 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
3392 /* Deconfigure queues that were deleted. */
3393 cbdata.netdev = iface->netdev;
3394 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3396 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3398 /* Configure queues for 'iface'. */
3400 for (i = 0; i < qos->n_queues; i++) {
3401 const struct ovsrec_queue *queue = qos->value_queues[i];
3402 unsigned int queue_id = qos->key_queues[i];
3404 if (queue_id == 0) {
3408 if (queue->n_dscp == 1) {
3409 struct ofproto_port_queue *port_queue;
3411 port_queue = ofpbuf_put_uninit(&queues_buf,
3412 sizeof *port_queue);
3413 port_queue->queue = queue_id;
3414 port_queue->dscp = queue->dscp[0];
3417 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
3420 struct smap details;
3422 smap_init(&details);
3423 netdev_set_queue(iface->netdev, 0, &details);
3424 smap_destroy(&details);
3428 if (iface->ofp_port >= 0) {
3429 const struct ofproto_port_queue *port_queues = queues_buf.data;
3430 size_t n_queues = queues_buf.size / sizeof *port_queues;
3432 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3433 port_queues, n_queues);
3436 netdev_set_policing(iface->netdev,
3437 iface->cfg->ingress_policing_rate,
3438 iface->cfg->ingress_policing_burst);
3440 ofpbuf_uninit(&queues_buf);
3444 iface_configure_cfm(struct iface *iface)
3446 const struct ovsrec_interface *cfg = iface->cfg;
3447 const char *opstate_str;
3448 const char *cfm_ccm_vlan;
3449 struct cfm_settings s;
3450 struct smap netdev_args;
3452 if (!cfg->n_cfm_mpid) {
3453 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
3457 s.check_tnl_key = false;
3458 smap_init(&netdev_args);
3459 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3460 const char *key = smap_get(&netdev_args, "key");
3461 const char *in_key = smap_get(&netdev_args, "in_key");
3463 s.check_tnl_key = (key && !strcmp(key, "flow"))
3464 || (in_key && !strcmp(in_key, "flow"));
3466 smap_destroy(&netdev_args);
3468 s.mpid = *cfg->cfm_mpid;
3469 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3470 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3471 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3473 if (s.interval <= 0) {
3477 if (!cfm_ccm_vlan) {
3479 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
3480 s.ccm_vlan = CFM_RANDOM_VLAN;
3482 s.ccm_vlan = atoi(cfm_ccm_vlan);
3483 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3488 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3491 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3492 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
3494 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
3497 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3498 * instead of obtaining it from the database. */
3500 iface_is_synthetic(const struct iface *iface)
3502 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3506 iface_pick_ofport(const struct ovsrec_interface *cfg)
3508 int64_t ofport = cfg->n_ofport ? *cfg->ofport : OFPP_NONE;
3509 return cfg->n_ofport_request ? *cfg->ofport_request : ofport;
3513 /* Port mirroring. */
3515 static struct mirror *
3516 mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3520 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3521 if (uuid_equals(uuid, &m->uuid)) {
3529 bridge_configure_mirrors(struct bridge *br)
3531 const struct ovsdb_datum *mc;
3532 unsigned long *flood_vlans;
3533 struct mirror *m, *next;
3536 /* Get rid of deleted mirrors. */
3537 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3538 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3539 union ovsdb_atom atom;
3541 atom.uuid = m->uuid;
3542 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3547 /* Add new mirrors and reconfigure existing ones. */
3548 for (i = 0; i < br->cfg->n_mirrors; i++) {
3549 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
3550 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
3552 m = mirror_create(br, cfg);
3555 if (!mirror_configure(m)) {
3560 /* Update flooded vlans (for RSPAN). */
3561 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3562 br->cfg->n_flood_vlans);
3563 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3564 bitmap_free(flood_vlans);
3567 static struct mirror *
3568 mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
3572 m = xzalloc(sizeof *m);
3573 m->uuid = cfg->header_.uuid;
3574 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
3576 m->name = xstrdup(cfg->name);
3582 mirror_destroy(struct mirror *m)
3585 struct bridge *br = m->bridge;
3588 ofproto_mirror_unregister(br->ofproto, m);
3591 hmap_remove(&br->mirrors, &m->hmap_node);
3598 mirror_collect_ports(struct mirror *m,
3599 struct ovsrec_port **in_ports, int n_in_ports,
3600 void ***out_portsp, size_t *n_out_portsp)
3602 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3603 size_t n_out_ports = 0;
3606 for (i = 0; i < n_in_ports; i++) {
3607 const char *name = in_ports[i]->name;
3608 struct port *port = port_lookup(m->bridge, name);
3610 out_ports[n_out_ports++] = port;
3612 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3613 "port %s", m->bridge->name, m->name, name);
3616 *out_portsp = out_ports;
3617 *n_out_portsp = n_out_ports;
3621 mirror_configure(struct mirror *m)
3623 const struct ovsrec_mirror *cfg = m->cfg;
3624 struct ofproto_mirror_settings s;
3627 if (strcmp(cfg->name, m->name)) {
3629 m->name = xstrdup(cfg->name);
3633 /* Get output port or VLAN. */
3634 if (cfg->output_port) {
3635 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
3636 if (!s.out_bundle) {
3637 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3638 m->bridge->name, m->name);
3641 s.out_vlan = UINT16_MAX;
3643 if (cfg->output_vlan) {
3644 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3645 "output vlan; ignoring output vlan",
3646 m->bridge->name, m->name);
3648 } else if (cfg->output_vlan) {
3649 /* The database should prevent invalid VLAN values. */
3650 s.out_bundle = NULL;
3651 s.out_vlan = *cfg->output_vlan;
3653 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3654 m->bridge->name, m->name);
3658 /* Get port selection. */
3659 if (cfg->select_all) {
3660 size_t n_ports = hmap_count(&m->bridge->ports);
3661 void **ports = xmalloc(n_ports * sizeof *ports);
3666 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
3676 /* Get ports, dropping ports that don't exist.
3677 * The IDL ensures that there are no duplicates. */
3678 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
3679 &s.srcs, &s.n_srcs);
3680 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
3681 &s.dsts, &s.n_dsts);
3684 /* Get VLAN selection. */
3685 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3688 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3691 if (s.srcs != s.dsts) {
3700 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3702 * This is deprecated. It is only for compatibility with broken device drivers
3703 * in old versions of Linux that do not properly support VLANs when VLAN
3704 * devices are not used. When broken device drivers are no longer in
3705 * widespread use, we will delete these interfaces. */
3707 static struct ovsrec_port **recs;
3708 static size_t n_recs, allocated_recs;
3710 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3711 * splinters are reconfigured. */
3713 register_rec(struct ovsrec_port *rec)
3715 if (n_recs >= allocated_recs) {
3716 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
3718 recs[n_recs++] = rec;
3721 /* Frees all of the ports registered with register_reg(). */
3723 free_registered_recs(void)
3727 for (i = 0; i < n_recs; i++) {
3728 struct ovsrec_port *port = recs[i];
3731 for (j = 0; j < port->n_interfaces; j++) {
3732 struct ovsrec_interface *iface = port->interfaces[j];
3737 smap_destroy(&port->other_config);
3738 free(port->interfaces);
3746 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3749 vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3751 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3755 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3758 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3759 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3760 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3763 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3764 * use, returns NULL.
3766 * Updates 'vlan_splinters_enabled_anywhere'. */
3767 static unsigned long int *
3768 collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3770 unsigned long int *splinter_vlans;
3771 struct sset splinter_ifaces;
3772 const char *real_dev_name;
3773 struct shash *real_devs;
3774 struct shash_node *node;
3778 /* Free space allocated for synthesized ports and interfaces, since we're
3779 * in the process of reconstructing all of them. */
3780 free_registered_recs();
3782 splinter_vlans = bitmap_allocate(4096);
3783 sset_init(&splinter_ifaces);
3784 vlan_splinters_enabled_anywhere = false;
3785 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3786 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3789 for (j = 0; j < br_cfg->n_ports; j++) {
3790 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3793 for (k = 0; k < port_cfg->n_interfaces; k++) {
3794 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3796 if (vlan_splinters_is_enabled(iface_cfg)) {
3797 vlan_splinters_enabled_anywhere = true;
3798 sset_add(&splinter_ifaces, iface_cfg->name);
3799 vlan_bitmap_from_array__(port_cfg->trunks,
3805 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3806 bitmap_set1(splinter_vlans, *port_cfg->tag);
3811 if (!vlan_splinters_enabled_anywhere) {
3812 free(splinter_vlans);
3813 sset_destroy(&splinter_ifaces);
3817 HMAP_FOR_EACH (br, node, &all_bridges) {
3819 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3823 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3824 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3825 * device to be created for it. */
3826 bitmap_set0(splinter_vlans, 0);
3827 bitmap_set0(splinter_vlans, 4095);
3829 /* Delete all VLAN devices that we don't need. */
3831 real_devs = vlandev_get_real_devs();
3832 SHASH_FOR_EACH (node, real_devs) {
3833 const struct vlan_real_dev *real_dev = node->data;
3834 const struct vlan_dev *vlan_dev;
3835 bool real_dev_has_splinters;
3837 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3839 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3840 if (!real_dev_has_splinters
3841 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3842 struct netdev *netdev;
3844 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3845 if (!netdev_get_in4(netdev, NULL, NULL) ||
3846 !netdev_get_in6(netdev, NULL)) {
3847 vlandev_del(vlan_dev->name);
3849 /* It has an IP address configured, so we don't own
3850 * it. Don't delete it. */
3852 netdev_close(netdev);
3859 /* Add all VLAN devices that we need. */
3860 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3863 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3864 if (!vlandev_get_name(real_dev_name, vid)) {
3865 vlandev_add(real_dev_name, vid);
3872 sset_destroy(&splinter_ifaces);
3874 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3875 free(splinter_vlans);
3878 return splinter_vlans;
3881 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3884 configure_splinter_port(struct port *port)
3886 struct ofproto *ofproto = port->bridge->ofproto;
3887 uint16_t realdev_ofp_port;
3888 const char *realdev_name;
3889 struct iface *vlandev, *realdev;
3891 ofproto_bundle_unregister(port->bridge->ofproto, port);
3893 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3896 realdev_name = smap_get(&port->cfg->other_config, "realdev");
3897 realdev = iface_lookup(port->bridge, realdev_name);
3898 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3900 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3904 static struct ovsrec_port *
3905 synthesize_splinter_port(const char *real_dev_name,
3906 const char *vlan_dev_name, int vid)
3908 struct ovsrec_interface *iface;
3909 struct ovsrec_port *port;
3911 iface = xmalloc(sizeof *iface);
3912 ovsrec_interface_init(iface);
3913 iface->name = xstrdup(vlan_dev_name);
3914 iface->type = "system";
3916 port = xmalloc(sizeof *port);
3917 ovsrec_port_init(port);
3918 port->interfaces = xmemdup(&iface, sizeof iface);
3919 port->n_interfaces = 1;
3920 port->name = xstrdup(vlan_dev_name);
3921 port->vlan_mode = "splinter";
3922 port->tag = xmalloc(sizeof *port->tag);
3925 smap_add(&port->other_config, "realdev", real_dev_name);
3931 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3932 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3933 * 1-bit in the 'splinter_vlans' bitmap. */
3935 add_vlan_splinter_ports(struct bridge *br,
3936 const unsigned long int *splinter_vlans,
3937 struct shash *ports)
3941 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3942 * we're modifying 'ports'. */
3943 for (i = 0; i < br->cfg->n_ports; i++) {
3944 const char *name = br->cfg->ports[i]->name;
3945 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3948 for (j = 0; j < port_cfg->n_interfaces; j++) {
3949 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3951 if (vlan_splinters_is_enabled(iface_cfg)) {
3952 const char *real_dev_name;
3955 real_dev_name = iface_cfg->name;
3956 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3957 const char *vlan_dev_name;
3959 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3961 && !shash_find(ports, vlan_dev_name)) {
3962 shash_add(ports, vlan_dev_name,
3963 synthesize_splinter_port(
3964 real_dev_name, vlan_dev_name, vid));
3973 mirror_refresh_stats(struct mirror *m)
3975 struct ofproto *ofproto = m->bridge->ofproto;
3976 uint64_t tx_packets, tx_bytes;
3979 size_t stat_cnt = 0;
3981 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3982 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
3986 if (tx_packets != UINT64_MAX) {
3987 keys[stat_cnt] = "tx_packets";
3988 values[stat_cnt] = tx_packets;
3991 if (tx_bytes != UINT64_MAX) {
3992 keys[stat_cnt] = "tx_bytes";
3993 values[stat_cnt] = tx_bytes;
3997 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);