1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 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.
22 #include "async-append.h"
26 #include "connectivity.h"
31 #include "dynamic-string.h"
39 #include "mac-learning.h"
40 #include "mcast-snooping.h"
41 #include "meta-flow.h"
44 #include "ofp-print.h"
47 #include "ofproto/bond.h"
48 #include "ofproto/ofproto.h"
50 #include "poll-loop.h"
55 #include "socket-util.h"
57 #include "stream-ssl.h"
59 #include "system-stats.h"
64 #include "lib/vswitch-idl.h"
65 #include "xenserver.h"
66 #include "openvswitch/vlog.h"
67 #include "sflow_api.h"
68 #include "vlan-bitmap.h"
71 VLOG_DEFINE_THIS_MODULE(bridge
);
73 COVERAGE_DEFINE(bridge_reconfigure
);
76 /* These members are always valid.
78 * They are immutable: they never change between iface_create() and
80 struct ovs_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 hmap_node ofp_port_node
; /* In struct bridge's "ifaces" hmap. */
83 struct port
*port
; /* Containing port. */
84 char *name
; /* Host network device name. */
85 struct netdev
*netdev
; /* Network device. */
86 ofp_port_t ofp_port
; /* OpenFlow port number. */
89 /* These members are valid only within bridge_reconfigure(). */
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 ovs_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 /* Port mirroring. */
131 struct hmap mirrors
; /* "struct mirror" indexed by UUID. */
134 struct hmap mappings
; /* "struct" indexed by UUID */
136 /* Used during reconfiguration. */
137 struct shash wanted_ports
;
139 /* Synthetic local port if necessary. */
140 struct ovsrec_port synth_local_port
;
141 struct ovsrec_interface synth_local_iface
;
142 struct ovsrec_interface
*synth_local_ifacep
;
146 struct hmap_node hmap_node
; /* In struct bridge's "mappings" hmap. */
147 struct bridge
*bridge
;
153 /* All bridges, indexed by name. */
154 static struct hmap all_bridges
= HMAP_INITIALIZER(&all_bridges
);
156 /* OVSDB IDL used to obtain configuration. */
157 static struct ovsdb_idl
*idl
;
159 /* We want to complete daemonization, fully detaching from our parent process,
160 * only after we have completed our initial configuration, committed our state
161 * to the database, and received confirmation back from the database server
162 * that it applied the commit. This allows our parent process to know that,
163 * post-detach, ephemeral fields such as datapath-id and ofport are very likely
164 * to have already been filled in. (It is only "very likely" rather than
165 * certain because there is always a slim possibility that the transaction will
166 * fail or that some other client has added new bridges, ports, etc. while
167 * ovs-vswitchd was configuring using an old configuration.)
169 * We only need to do this once for our initial configuration at startup, so
170 * 'initial_config_done' tracks whether we've already done it. While we are
171 * waiting for a response to our commit, 'daemonize_txn' tracks the transaction
172 * itself and is otherwise NULL. */
173 static bool initial_config_done
;
174 static struct ovsdb_idl_txn
*daemonize_txn
;
176 /* Most recently processed IDL sequence number. */
177 static unsigned int idl_seqno
;
179 /* Track changes to port connectivity. */
180 static uint64_t connectivity_seqno
= LLONG_MIN
;
182 /* Status update to database.
184 * Some information in the database must be kept as up-to-date as possible to
185 * allow controllers to respond rapidly to network outages. Those status are
186 * updated via the 'status_txn'.
188 * We use the global connectivity sequence number to detect the status change.
189 * Also, to prevent the status update from sending too much to the database,
190 * we check the return status of each update transaction and do not start new
191 * update if the previous transaction status is 'TXN_INCOMPLETE'.
193 * 'statux_txn' is NULL if there is no ongoing status update.
195 * If the previous database transaction was failed (is not 'TXN_SUCCESS',
196 * 'TXN_UNCHANGED' or 'TXN_INCOMPLETE'), 'status_txn_try_again' is set to true,
197 * which will cause the main thread wake up soon and retry the status update.
199 static struct ovsdb_idl_txn
*status_txn
;
200 static bool status_txn_try_again
;
202 /* When the status update transaction returns 'TXN_INCOMPLETE', should register a
203 * timeout in 'STATUS_CHECK_AGAIN_MSEC' to check again. */
204 #define STATUS_CHECK_AGAIN_MSEC 100
206 /* Each time this timer expires, the bridge fetches interface and mirror
207 * statistics and pushes them into the database. */
208 static int stats_timer_interval
;
209 static long long int stats_timer
= LLONG_MIN
;
211 /* Each time this timer expires, the bridge fetches the list of port/VLAN
212 * membership that has been modified by the AA.
214 #define AA_REFRESH_INTERVAL (1000) /* In milliseconds. */
215 static long long int aa_refresh_timer
= LLONG_MIN
;
217 /* In some datapaths, creating and destroying OpenFlow ports can be extremely
218 * expensive. This can cause bridge_reconfigure() to take a long time during
219 * which no other work can be done. To deal with this problem, we limit port
220 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
221 * call to bridge_reconfigure(). If there is more work to do after the limit
222 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
223 * This allows the rest of the code to catch up on important things like
224 * forwarding packets. */
225 #define OFP_PORT_ACTION_WINDOW 10
227 static void add_del_bridges(const struct ovsrec_open_vswitch
*);
228 static void bridge_run__(void);
229 static void bridge_create(const struct ovsrec_bridge
*);
230 static void bridge_destroy(struct bridge
*);
231 static struct bridge
*bridge_lookup(const char *name
);
232 static unixctl_cb_func bridge_unixctl_dump_flows
;
233 static unixctl_cb_func bridge_unixctl_reconnect
;
234 static size_t bridge_get_controllers(const struct bridge
*br
,
235 struct ovsrec_controller
***controllersp
);
236 static void bridge_collect_wanted_ports(struct bridge
*,
237 const unsigned long *splinter_vlans
,
238 struct shash
*wanted_ports
);
239 static void bridge_delete_ofprotos(void);
240 static void bridge_delete_or_reconfigure_ports(struct bridge
*);
241 static void bridge_del_ports(struct bridge
*,
242 const struct shash
*wanted_ports
);
243 static void bridge_add_ports(struct bridge
*,
244 const struct shash
*wanted_ports
);
246 static void bridge_configure_datapath_id(struct bridge
*);
247 static void bridge_configure_netflow(struct bridge
*);
248 static void bridge_configure_forward_bpdu(struct bridge
*);
249 static void bridge_configure_mac_table(struct bridge
*);
250 static void bridge_configure_mcast_snooping(struct bridge
*);
251 static void bridge_configure_sflow(struct bridge
*, int *sflow_bridge_number
);
252 static void bridge_configure_ipfix(struct bridge
*);
253 static void bridge_configure_spanning_tree(struct bridge
*);
254 static void bridge_configure_tables(struct bridge
*);
255 static void bridge_configure_dp_desc(struct bridge
*);
256 static void bridge_configure_aa(struct bridge
*);
257 static void bridge_aa_refresh_queued(struct bridge
*);
258 static bool bridge_aa_need_refresh(struct bridge
*);
259 static void bridge_configure_remotes(struct bridge
*,
260 const struct sockaddr_in
*managers
,
262 static void bridge_pick_local_hw_addr(struct bridge
*,
263 uint8_t ea
[ETH_ADDR_LEN
],
264 struct iface
**hw_addr_iface
);
265 static uint64_t bridge_pick_datapath_id(struct bridge
*,
266 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
267 struct iface
*hw_addr_iface
);
268 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
269 static bool bridge_has_bond_fake_iface(const struct bridge
*,
271 static bool port_is_bond_fake_iface(const struct port
*);
273 static unixctl_cb_func qos_unixctl_show
;
275 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
276 static void port_del_ifaces(struct port
*);
277 static void port_destroy(struct port
*);
278 static struct port
*port_lookup(const struct bridge
*, const char *name
);
279 static void port_configure(struct port
*);
280 static struct lacp_settings
*port_configure_lacp(struct port
*,
281 struct lacp_settings
*);
282 static void port_configure_bond(struct port
*, struct bond_settings
*);
283 static bool port_is_synthetic(const struct port
*);
285 static void reconfigure_system_stats(const struct ovsrec_open_vswitch
*);
286 static void run_system_stats(void);
288 static void bridge_configure_mirrors(struct bridge
*);
289 static struct mirror
*mirror_create(struct bridge
*,
290 const struct ovsrec_mirror
*);
291 static void mirror_destroy(struct mirror
*);
292 static bool mirror_configure(struct mirror
*);
293 static void mirror_refresh_stats(struct mirror
*);
295 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
296 static bool iface_create(struct bridge
*, const struct ovsrec_interface
*,
297 const struct ovsrec_port
*);
298 static bool iface_is_internal(const struct ovsrec_interface
*iface
,
299 const struct ovsrec_bridge
*br
);
300 static const char *iface_get_type(const struct ovsrec_interface
*,
301 const struct ovsrec_bridge
*);
302 static void iface_destroy(struct iface
*);
303 static void iface_destroy__(struct iface
*);
304 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
305 static struct iface
*iface_find(const char *name
);
306 static struct iface
*iface_from_ofp_port(const struct bridge
*,
307 ofp_port_t ofp_port
);
308 static void iface_set_mac(const struct bridge
*, const struct port
*, struct iface
*);
309 static void iface_set_ofport(const struct ovsrec_interface
*, ofp_port_t ofport
);
310 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
);
311 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
312 static void iface_configure_cfm(struct iface
*);
313 static void iface_refresh_cfm_stats(struct iface
*);
314 static void iface_refresh_stats(struct iface
*);
315 static void iface_refresh_netdev_status(struct iface
*);
316 static void iface_refresh_ofproto_status(struct iface
*);
317 static bool iface_is_synthetic(const struct iface
*);
318 static ofp_port_t
iface_get_requested_ofp_port(
319 const struct ovsrec_interface
*);
320 static ofp_port_t
iface_pick_ofport(const struct ovsrec_interface
*);
323 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
325 * This is deprecated. It is only for compatibility with broken device drivers
326 * in old versions of Linux that do not properly support VLANs when VLAN
327 * devices are not used. When broken device drivers are no longer in
328 * widespread use, we will delete these interfaces. */
330 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
331 static bool vlan_splinters_enabled_anywhere
;
333 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
334 static unsigned long int *collect_splinter_vlans(
335 const struct ovsrec_open_vswitch
*);
336 static void configure_splinter_port(struct port
*);
337 static void add_vlan_splinter_ports(struct bridge
*,
338 const unsigned long int *splinter_vlans
,
339 struct shash
*ports
);
341 static void discover_types(const struct ovsrec_open_vswitch
*cfg
);
344 bridge_init_ofproto(const struct ovsrec_open_vswitch
*cfg
)
346 struct shash iface_hints
;
347 static bool initialized
= false;
354 shash_init(&iface_hints
);
357 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
358 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
361 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
362 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
365 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
366 struct ovsrec_interface
*if_cfg
= port_cfg
->interfaces
[k
];
367 struct iface_hint
*iface_hint
;
369 iface_hint
= xmalloc(sizeof *iface_hint
);
370 iface_hint
->br_name
= br_cfg
->name
;
371 iface_hint
->br_type
= br_cfg
->datapath_type
;
372 iface_hint
->ofp_port
= iface_pick_ofport(if_cfg
);
374 shash_add(&iface_hints
, if_cfg
->name
, iface_hint
);
380 ofproto_init(&iface_hints
);
382 shash_destroy_free_data(&iface_hints
);
386 /* Public functions. */
388 /* Initializes the bridge module, configuring it to obtain its configuration
389 * from an OVSDB server accessed over 'remote', which should be a string in a
390 * form acceptable to ovsdb_idl_create(). */
392 bridge_init(const char *remote
)
394 /* Create connection to database. */
395 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true, true);
396 idl_seqno
= ovsdb_idl_get_seqno(idl
);
397 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
398 ovsdb_idl_verify_write_only(idl
);
400 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
401 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
402 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_datapath_types
);
403 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_iface_types
);
404 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
405 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
406 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
407 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
408 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
410 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
411 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_version
);
412 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
413 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_rstp_status
);
414 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_stp_enable
);
415 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_rstp_enable
);
416 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
418 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
419 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_rstp_status
);
420 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_rstp_statistics
);
421 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
422 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_bond_active_slave
);
423 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
424 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_trunks
);
425 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_vlan_mode
);
426 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
427 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
428 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
429 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
430 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
431 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mac_in_use
);
432 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ifindex
);
433 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
434 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
435 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
436 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
437 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
438 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
439 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
440 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_flap_count
);
441 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_health
);
442 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_opstate
);
443 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_bfd_status
);
444 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
445 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_error
);
446 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
448 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
449 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
450 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
451 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
453 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
455 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
457 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
458 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
460 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
461 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
462 ovsdb_idl_omit(idl
, &ovsrec_ipfix_col_external_ids
);
463 ovsdb_idl_omit(idl
, &ovsrec_flow_sample_collector_set_col_external_ids
);
465 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
466 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
467 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
468 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
469 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
471 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
473 /* Register unixctl commands. */
474 unixctl_command_register("qos/show", "interface", 1, 1,
475 qos_unixctl_show
, NULL
);
476 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
477 bridge_unixctl_dump_flows
, NULL
);
478 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
479 bridge_unixctl_reconnect
, NULL
);
492 struct bridge
*br
, *next_br
;
494 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
497 ovsdb_idl_destroy(idl
);
500 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
501 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
502 * responsible for freeing '*managersp' (with free()).
504 * You may be asking yourself "why does ovs-vswitchd care?", because
505 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
506 * should not be and in fact is not directly involved in that. But
507 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
508 * it has to tell in-band control where the managers are to enable that.
509 * (Thus, only managers connected in-band are collected.)
512 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
513 struct sockaddr_in
**managersp
, size_t *n_managersp
)
515 struct sockaddr_in
*managers
= NULL
;
516 size_t n_managers
= 0;
520 /* Collect all of the potential targets from the "targets" columns of the
521 * rows pointed to by "manager_options", excluding any that are
524 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
525 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
527 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
528 sset_find_and_delete(&targets
, m
->target
);
530 sset_add(&targets
, m
->target
);
534 /* Now extract the targets' IP addresses. */
535 if (!sset_is_empty(&targets
)) {
538 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
539 SSET_FOR_EACH (target
, &targets
) {
541 struct sockaddr_storage ss
;
542 struct sockaddr_in in
;
545 if (stream_parse_target_with_default_port(target
, OVSDB_PORT
,
547 && sa
.ss
.ss_family
== AF_INET
) {
548 managers
[n_managers
++] = sa
.in
;
552 sset_destroy(&targets
);
554 *managersp
= managers
;
555 *n_managersp
= n_managers
;
559 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
561 unsigned long int *splinter_vlans
;
562 struct sockaddr_in
*managers
;
563 struct bridge
*br
, *next
;
564 int sflow_bridge_number
;
567 COVERAGE_INC(bridge_reconfigure
);
569 ofproto_set_flow_limit(smap_get_int(&ovs_cfg
->other_config
, "flow-limit",
570 OFPROTO_FLOW_LIMIT_DEFAULT
));
571 ofproto_set_max_idle(smap_get_int(&ovs_cfg
->other_config
, "max-idle",
572 OFPROTO_MAX_IDLE_DEFAULT
));
573 ofproto_set_n_dpdk_rxqs(smap_get_int(&ovs_cfg
->other_config
,
575 ofproto_set_cpu_mask(smap_get(&ovs_cfg
->other_config
, "pmd-cpu-mask"));
578 smap_get_int(&ovs_cfg
->other_config
, "n-handler-threads", 0),
579 smap_get_int(&ovs_cfg
->other_config
, "n-revalidator-threads", 0));
582 discover_types(ovs_cfg
);
585 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
586 * to 'ovs_cfg', with only very minimal configuration otherwise.
588 * This is mostly an update to bridge data structures. Nothing is pushed
589 * down to ofproto or lower layers. */
590 add_del_bridges(ovs_cfg
);
591 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
592 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
593 bridge_collect_wanted_ports(br
, splinter_vlans
, &br
->wanted_ports
);
594 bridge_del_ports(br
, &br
->wanted_ports
);
596 free(splinter_vlans
);
598 /* Start pushing configuration changes down to the ofproto layer:
600 * - Delete ofprotos that are no longer configured.
602 * - Delete ports that are no longer configured.
604 * - Reconfigure existing ports to their desired configurations, or
605 * delete them if not possible.
607 * We have to do all the deletions before we can do any additions, because
608 * the ports to be added might require resources that will be freed up by
609 * deletions (they might especially overlap in name). */
610 bridge_delete_ofprotos();
611 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
613 bridge_delete_or_reconfigure_ports(br
);
617 /* Finish pushing configuration changes to the ofproto layer:
619 * - Create ofprotos that are missing.
621 * - Add ports that are missing. */
622 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
626 error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
628 VLOG_ERR("failed to create bridge %s: %s", br
->name
,
629 ovs_strerror(error
));
630 shash_destroy(&br
->wanted_ports
);
633 /* Trigger storing datapath version. */
634 seq_change(connectivity_seq_get());
638 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
639 bridge_add_ports(br
, &br
->wanted_ports
);
640 shash_destroy(&br
->wanted_ports
);
643 reconfigure_system_stats(ovs_cfg
);
645 /* Complete the configuration. */
646 sflow_bridge_number
= 0;
647 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
648 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
651 /* We need the datapath ID early to allow LACP ports to use it as the
652 * default system ID. */
653 bridge_configure_datapath_id(br
);
655 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
658 port_configure(port
);
660 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
661 iface_set_ofport(iface
->cfg
, iface
->ofp_port
);
662 /* Clear eventual previous errors */
663 ovsrec_interface_set_error(iface
->cfg
, NULL
);
664 iface_configure_cfm(iface
);
665 iface_configure_qos(iface
, port
->cfg
->qos
);
666 iface_set_mac(br
, port
, iface
);
667 ofproto_port_set_bfd(br
->ofproto
, iface
->ofp_port
,
669 ofproto_port_set_lldp(br
->ofproto
, iface
->ofp_port
,
673 bridge_configure_mirrors(br
);
674 bridge_configure_forward_bpdu(br
);
675 bridge_configure_mac_table(br
);
676 bridge_configure_mcast_snooping(br
);
677 bridge_configure_remotes(br
, managers
, n_managers
);
678 bridge_configure_netflow(br
);
679 bridge_configure_sflow(br
, &sflow_bridge_number
);
680 bridge_configure_ipfix(br
);
681 bridge_configure_spanning_tree(br
);
682 bridge_configure_tables(br
);
683 bridge_configure_dp_desc(br
);
684 bridge_configure_aa(br
);
688 /* The ofproto-dpif provider does some final reconfiguration in its
689 * ->type_run() function. We have to call it before notifying the database
690 * client that reconfiguration is complete, otherwise there is a very
691 * narrow race window in which e.g. ofproto/trace will not recognize the
692 * new configuration (sometimes this causes unit test failures). */
696 /* Delete ofprotos which aren't configured or have the wrong type. Create
697 * ofprotos which don't exist but need to. */
699 bridge_delete_ofprotos(void)
706 /* Delete ofprotos with no bridge or with the wrong type. */
709 ofproto_enumerate_types(&types
);
710 SSET_FOR_EACH (type
, &types
) {
713 ofproto_enumerate_names(type
, &names
);
714 SSET_FOR_EACH (name
, &names
) {
715 br
= bridge_lookup(name
);
716 if (!br
|| strcmp(type
, br
->type
)) {
717 ofproto_delete(name
, type
);
721 sset_destroy(&names
);
722 sset_destroy(&types
);
726 add_ofp_port(ofp_port_t port
, ofp_port_t
*ports
, size_t *n
, size_t *allocated
)
728 if (*n
>= *allocated
) {
729 ports
= x2nrealloc(ports
, allocated
, sizeof *ports
);
731 ports
[(*n
)++] = port
;
736 bridge_delete_or_reconfigure_ports(struct bridge
*br
)
738 struct ofproto_port ofproto_port
;
739 struct ofproto_port_dump dump
;
741 struct sset ofproto_ports
;
742 struct port
*port
, *port_next
;
744 /* List of "ofp_port"s to delete. We make a list instead of deleting them
745 * right away because ofproto implementations aren't necessarily able to
746 * iterate through a changing list of ports in an entirely robust way. */
753 sset_init(&ofproto_ports
);
755 /* Main task: Iterate over the ports in 'br->ofproto' and remove the ports
756 * that are not configured in the database. (This commonly happens when
757 * ports have been deleted, e.g. with "ovs-vsctl del-port".)
759 * Side tasks: Reconfigure the ports that are still in 'br'. Delete ports
760 * that have the wrong OpenFlow port number (and arrange to add them back
761 * with the correct OpenFlow port number). */
762 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
763 ofp_port_t requested_ofp_port
;
766 sset_add(&ofproto_ports
, ofproto_port
.name
);
768 iface
= iface_lookup(br
, ofproto_port
.name
);
770 /* No such iface is configured, so we should delete this
773 * As a corner case exception, keep the port if it's a bond fake
775 if (bridge_has_bond_fake_iface(br
, ofproto_port
.name
)
776 && !strcmp(ofproto_port
.type
, "internal")) {
782 if (strcmp(ofproto_port
.type
, iface
->type
)
783 || netdev_set_config(iface
->netdev
, &iface
->cfg
->options
, NULL
)) {
784 /* The interface is the wrong type or can't be configured.
789 /* If the requested OpenFlow port for 'iface' changed, and it's not
790 * already the correct port, then we might want to temporarily delete
791 * this interface, so we can add it back again with the new OpenFlow
793 requested_ofp_port
= iface_get_requested_ofp_port(iface
->cfg
);
794 if (iface
->ofp_port
!= OFPP_LOCAL
&&
795 requested_ofp_port
!= OFPP_NONE
&&
796 requested_ofp_port
!= iface
->ofp_port
) {
797 ofp_port_t victim_request
;
798 struct iface
*victim
;
800 /* Check for an existing OpenFlow port currently occupying
801 * 'iface''s requested port number. If there isn't one, then
802 * delete this port. Otherwise we need to consider further. */
803 victim
= iface_from_ofp_port(br
, requested_ofp_port
);
808 /* 'victim' is a port currently using 'iface''s requested port
809 * number. Unless 'victim' specifically requested that port
810 * number, too, then we can delete both 'iface' and 'victim'
811 * temporarily. (We'll add both of them back again later with new
812 * OpenFlow port numbers.)
814 * If 'victim' did request port number 'requested_ofp_port', just
815 * like 'iface', then that's a configuration inconsistency that we
816 * can't resolve. We might as well let it keep its current port
818 victim_request
= iface_get_requested_ofp_port(victim
->cfg
);
819 if (victim_request
!= requested_ofp_port
) {
820 del
= add_ofp_port(victim
->ofp_port
, del
, &n
, &allocated
);
821 iface_destroy(victim
);
830 iface_destroy(iface
);
831 del
= add_ofp_port(ofproto_port
.ofp_port
, del
, &n
, &allocated
);
833 for (i
= 0; i
< n
; i
++) {
834 ofproto_port_del(br
->ofproto
, del
[i
]);
838 /* Iterate over this module's idea of interfaces in 'br'. Remove any ports
839 * that we didn't see when we iterated through the datapath, i.e. ports
840 * that disappeared underneath use. This is an unusual situation, but it
841 * can happen in some cases:
843 * - An admin runs a command like "ovs-dpctl del-port" (which is a bad
844 * idea but could happen).
846 * - The port represented a device that disappeared, e.g. a tuntap
847 * device destroyed via "tunctl -d", a physical Ethernet device
848 * whose module was just unloaded via "rmmod", or a virtual NIC for a
849 * VM whose VM was just terminated. */
850 HMAP_FOR_EACH_SAFE (port
, port_next
, hmap_node
, &br
->ports
) {
851 struct iface
*iface
, *iface_next
;
853 LIST_FOR_EACH_SAFE (iface
, iface_next
, port_elem
, &port
->ifaces
) {
854 if (!sset_contains(&ofproto_ports
, iface
->name
)) {
855 iface_destroy__(iface
);
859 if (list_is_empty(&port
->ifaces
)) {
863 sset_destroy(&ofproto_ports
);
867 bridge_add_ports__(struct bridge
*br
, const struct shash
*wanted_ports
,
868 bool with_requested_port
)
870 struct shash_node
*port_node
;
872 SHASH_FOR_EACH (port_node
, wanted_ports
) {
873 const struct ovsrec_port
*port_cfg
= port_node
->data
;
876 for (i
= 0; i
< port_cfg
->n_interfaces
; i
++) {
877 const struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[i
];
878 ofp_port_t requested_ofp_port
;
880 requested_ofp_port
= iface_get_requested_ofp_port(iface_cfg
);
881 if ((requested_ofp_port
!= OFPP_NONE
) == with_requested_port
) {
882 struct iface
*iface
= iface_lookup(br
, iface_cfg
->name
);
885 iface_create(br
, iface_cfg
, port_cfg
);
893 bridge_add_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
895 /* First add interfaces that request a particular port number. */
896 bridge_add_ports__(br
, wanted_ports
, true);
898 /* Then add interfaces that want automatic port number assignment.
899 * We add these afterward to avoid accidentally taking a specifically
900 * requested port number. */
901 bridge_add_ports__(br
, wanted_ports
, false);
905 port_configure(struct port
*port
)
907 const struct ovsrec_port
*cfg
= port
->cfg
;
908 struct bond_settings bond_settings
;
909 struct lacp_settings lacp_settings
;
910 struct ofproto_bundle_settings s
;
913 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
914 configure_splinter_port(port
);
923 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
924 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
925 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
930 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
934 /* Get VLAN trunks. */
937 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
941 if (cfg
->vlan_mode
) {
942 if (!strcmp(cfg
->vlan_mode
, "access")) {
943 s
.vlan_mode
= PORT_VLAN_ACCESS
;
944 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
945 s
.vlan_mode
= PORT_VLAN_TRUNK
;
946 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
947 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
948 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
949 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
951 /* This "can't happen" because ovsdb-server should prevent it. */
952 VLOG_WARN("port %s: unknown VLAN mode %s, falling "
953 "back to trunk mode", port
->name
, cfg
->vlan_mode
);
954 s
.vlan_mode
= PORT_VLAN_TRUNK
;
958 s
.vlan_mode
= PORT_VLAN_ACCESS
;
960 VLOG_WARN("port %s: ignoring trunks in favor of implicit vlan",
964 s
.vlan_mode
= PORT_VLAN_TRUNK
;
967 s
.use_priority_tags
= smap_get_bool(&cfg
->other_config
, "priority-tags",
970 /* Get LACP settings. */
971 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
975 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
976 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
977 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
980 s
.lacp_slaves
= NULL
;
983 /* Get bond settings. */
984 if (s
.n_slaves
> 1) {
985 s
.bond
= &bond_settings
;
986 port_configure_bond(port
, &bond_settings
);
989 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
990 netdev_set_miimon_interval(iface
->netdev
, 0);
995 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
1000 free(s
.lacp_slaves
);
1003 /* Pick local port hardware address and datapath ID for 'br'. */
1005 bridge_configure_datapath_id(struct bridge
*br
)
1007 uint8_t ea
[ETH_ADDR_LEN
];
1009 struct iface
*local_iface
;
1010 struct iface
*hw_addr_iface
;
1013 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
1014 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
1016 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
1018 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1019 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
1020 "Ethernet address: %s",
1021 br
->name
, ovs_strerror(error
));
1024 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
1026 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
1027 if (dpid
!= ofproto_get_datapath_id(br
->ofproto
)) {
1028 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64
, br
->name
, dpid
);
1029 ofproto_set_datapath_id(br
->ofproto
, dpid
);
1032 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
1033 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
1037 /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
1040 bridge_get_allowed_versions(struct bridge
*br
)
1042 if (!br
->cfg
->n_protocols
)
1045 return ofputil_versions_from_strings(br
->cfg
->protocols
,
1046 br
->cfg
->n_protocols
);
1049 /* Set NetFlow configuration on 'br'. */
1051 bridge_configure_netflow(struct bridge
*br
)
1053 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
1054 struct netflow_options opts
;
1057 ofproto_set_netflow(br
->ofproto
, NULL
);
1061 memset(&opts
, 0, sizeof opts
);
1063 /* Get default NetFlow configuration from datapath.
1064 * Apply overrides from 'cfg'. */
1065 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
1066 if (cfg
->engine_type
) {
1067 opts
.engine_type
= *cfg
->engine_type
;
1069 if (cfg
->engine_id
) {
1070 opts
.engine_id
= *cfg
->engine_id
;
1073 /* Configure active timeout interval. */
1074 opts
.active_timeout
= cfg
->active_timeout
;
1075 if (!opts
.active_timeout
) {
1076 opts
.active_timeout
= -1;
1077 } else if (opts
.active_timeout
< 0) {
1078 VLOG_WARN("bridge %s: active timeout interval set to negative "
1079 "value, using default instead (%d seconds)", br
->name
,
1080 NF_ACTIVE_TIMEOUT_DEFAULT
);
1081 opts
.active_timeout
= -1;
1084 /* Add engine ID to interface number to disambiguate bridgs? */
1085 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
1086 if (opts
.add_id_to_iface
) {
1087 if (opts
.engine_id
> 0x7f) {
1088 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
1089 "another vswitch, choose an engine id less than 128",
1092 if (hmap_count(&br
->ports
) > 508) {
1093 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
1094 "another port when more than 508 ports are used",
1100 sset_init(&opts
.collectors
);
1101 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
1104 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
1105 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
1107 sset_destroy(&opts
.collectors
);
1110 /* Set sFlow configuration on 'br'. */
1112 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
1114 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
1115 struct ovsrec_controller
**controllers
;
1116 struct ofproto_sflow_options oso
;
1117 size_t n_controllers
;
1121 ofproto_set_sflow(br
->ofproto
, NULL
);
1125 memset(&oso
, 0, sizeof oso
);
1127 sset_init(&oso
.targets
);
1128 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
1130 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1131 if (cfg
->sampling
) {
1132 oso
.sampling_rate
= *cfg
->sampling
;
1135 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
1137 oso
.polling_interval
= *cfg
->polling
;
1140 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
1142 oso
.header_len
= *cfg
->header
;
1145 oso
.sub_id
= (*sflow_bridge_number
)++;
1146 oso
.agent_device
= cfg
->agent
;
1148 oso
.control_ip
= NULL
;
1149 n_controllers
= bridge_get_controllers(br
, &controllers
);
1150 for (i
= 0; i
< n_controllers
; i
++) {
1151 if (controllers
[i
]->local_ip
) {
1152 oso
.control_ip
= controllers
[i
]->local_ip
;
1156 ofproto_set_sflow(br
->ofproto
, &oso
);
1158 sset_destroy(&oso
.targets
);
1161 /* Returns whether a IPFIX row is valid. */
1163 ovsrec_ipfix_is_valid(const struct ovsrec_ipfix
*ipfix
)
1165 return ipfix
&& ipfix
->n_targets
> 0;
1168 /* Returns whether a Flow_Sample_Collector_Set row is valid. */
1170 ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set
*fscs
,
1171 const struct bridge
*br
)
1173 return ovsrec_ipfix_is_valid(fscs
->ipfix
) && fscs
->bridge
== br
->cfg
;
1176 /* Set IPFIX configuration on 'br'. */
1178 bridge_configure_ipfix(struct bridge
*br
)
1180 const struct ovsrec_ipfix
*be_cfg
= br
->cfg
->ipfix
;
1181 bool valid_be_cfg
= ovsrec_ipfix_is_valid(be_cfg
);
1182 const struct ovsrec_flow_sample_collector_set
*fe_cfg
;
1183 struct ofproto_ipfix_bridge_exporter_options be_opts
;
1184 struct ofproto_ipfix_flow_exporter_options
*fe_opts
= NULL
;
1185 size_t n_fe_opts
= 0;
1187 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1188 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1193 if (!valid_be_cfg
&& n_fe_opts
== 0) {
1194 ofproto_set_ipfix(br
->ofproto
, NULL
, NULL
, 0);
1199 memset(&be_opts
, 0, sizeof be_opts
);
1201 sset_init(&be_opts
.targets
);
1202 sset_add_array(&be_opts
.targets
, be_cfg
->targets
, be_cfg
->n_targets
);
1204 if (be_cfg
->sampling
) {
1205 be_opts
.sampling_rate
= *be_cfg
->sampling
;
1207 be_opts
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
1209 if (be_cfg
->obs_domain_id
) {
1210 be_opts
.obs_domain_id
= *be_cfg
->obs_domain_id
;
1212 if (be_cfg
->obs_point_id
) {
1213 be_opts
.obs_point_id
= *be_cfg
->obs_point_id
;
1215 if (be_cfg
->cache_active_timeout
) {
1216 be_opts
.cache_active_timeout
= *be_cfg
->cache_active_timeout
;
1218 if (be_cfg
->cache_max_flows
) {
1219 be_opts
.cache_max_flows
= *be_cfg
->cache_max_flows
;
1222 be_opts
.enable_tunnel_sampling
= smap_get_bool(&be_cfg
->other_config
,
1223 "enable-tunnel-sampling", true);
1225 be_opts
.enable_input_sampling
= !smap_get_bool(&be_cfg
->other_config
,
1226 "enable-input-sampling", false);
1228 be_opts
.enable_output_sampling
= !smap_get_bool(&be_cfg
->other_config
,
1229 "enable-output-sampling", false);
1232 if (n_fe_opts
> 0) {
1233 struct ofproto_ipfix_flow_exporter_options
*opts
;
1234 fe_opts
= xcalloc(n_fe_opts
, sizeof *fe_opts
);
1236 OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg
, idl
) {
1237 if (ovsrec_fscs_is_valid(fe_cfg
, br
)) {
1238 opts
->collector_set_id
= fe_cfg
->id
;
1239 sset_init(&opts
->targets
);
1240 sset_add_array(&opts
->targets
, fe_cfg
->ipfix
->targets
,
1241 fe_cfg
->ipfix
->n_targets
);
1242 opts
->cache_active_timeout
= fe_cfg
->ipfix
->cache_active_timeout
1243 ? *fe_cfg
->ipfix
->cache_active_timeout
: 0;
1244 opts
->cache_max_flows
= fe_cfg
->ipfix
->cache_max_flows
1245 ? *fe_cfg
->ipfix
->cache_max_flows
: 0;
1251 ofproto_set_ipfix(br
->ofproto
, valid_be_cfg
? &be_opts
: NULL
, fe_opts
,
1255 sset_destroy(&be_opts
.targets
);
1258 if (n_fe_opts
> 0) {
1259 struct ofproto_ipfix_flow_exporter_options
*opts
= fe_opts
;
1261 for (i
= 0; i
< n_fe_opts
; i
++) {
1262 sset_destroy(&opts
->targets
);
1270 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
1271 struct ofproto_port_stp_settings
*port_s
,
1272 int *port_num_counter
, unsigned long *port_num_bitmap
)
1274 const char *config_str
;
1275 struct iface
*iface
;
1277 if (!smap_get_bool(&port
->cfg
->other_config
, "stp-enable", true)) {
1278 port_s
->enable
= false;
1281 port_s
->enable
= true;
1284 /* STP over bonds is not supported. */
1285 if (!list_is_singleton(&port
->ifaces
)) {
1286 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
1288 port_s
->enable
= false;
1292 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1294 /* Internal ports shouldn't participate in spanning tree, so
1296 if (!strcmp(iface
->type
, "internal")) {
1297 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
1298 port_s
->enable
= false;
1302 /* STP on mirror output ports is not supported. */
1303 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1304 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
1305 port_s
->enable
= false;
1309 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-num");
1311 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1312 int port_idx
= port_num
- 1;
1314 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
1315 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
1316 port_s
->enable
= false;
1320 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
1321 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
1322 port
->name
, port_num
);
1323 port_s
->enable
= false;
1326 bitmap_set1(port_num_bitmap
, port_idx
);
1327 port_s
->port_num
= port_idx
;
1329 if (*port_num_counter
>= STP_MAX_PORTS
) {
1330 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
1331 port_s
->enable
= false;
1335 port_s
->port_num
= (*port_num_counter
)++;
1338 config_str
= smap_get(&port
->cfg
->other_config
, "stp-path-cost");
1340 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1342 enum netdev_features current
;
1345 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1346 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1347 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
1350 config_str
= smap_get(&port
->cfg
->other_config
, "stp-port-priority");
1352 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1354 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
1359 port_configure_rstp(const struct ofproto
*ofproto
, struct port
*port
,
1360 struct ofproto_port_rstp_settings
*port_s
, int *port_num_counter
)
1362 const char *config_str
;
1363 struct iface
*iface
;
1365 if (!smap_get_bool(&port
->cfg
->other_config
, "rstp-enable", true)) {
1366 port_s
->enable
= false;
1369 port_s
->enable
= true;
1372 /* RSTP over bonds is not supported. */
1373 if (!list_is_singleton(&port
->ifaces
)) {
1374 VLOG_ERR("port %s: cannot enable RSTP on bonds, disabling",
1376 port_s
->enable
= false;
1380 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1382 /* Internal ports shouldn't participate in spanning tree, so
1384 if (!strcmp(iface
->type
, "internal")) {
1385 VLOG_DBG("port %s: disable RSTP on internal ports", port
->name
);
1386 port_s
->enable
= false;
1390 /* RSTP on mirror output ports is not supported. */
1391 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
1392 VLOG_DBG("port %s: disable RSTP on mirror ports", port
->name
);
1393 port_s
->enable
= false;
1397 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-port-num");
1399 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
1400 if (port_num
< 1 || port_num
> RSTP_MAX_PORTS
) {
1401 VLOG_ERR("port %s: invalid rstp-port-num", port
->name
);
1402 port_s
->enable
= false;
1405 port_s
->port_num
= port_num
;
1407 if (*port_num_counter
>= RSTP_MAX_PORTS
) {
1408 VLOG_ERR("port %s: too many RSTP ports, disabling", port
->name
);
1409 port_s
->enable
= false;
1412 /* If rstp-port-num is not specified, use 0.
1413 * rstp_port_set_port_number() will look for the first free one. */
1414 port_s
->port_num
= 0;
1417 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-path-cost");
1419 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
1421 enum netdev_features current
;
1424 netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1425 mbps
= netdev_features_to_bps(current
, 100 * 1000 * 1000) / 1000000;
1426 port_s
->path_cost
= rstp_convert_speed_to_cost(mbps
);
1429 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-port-priority");
1431 port_s
->priority
= strtoul(config_str
, NULL
, 0);
1433 port_s
->priority
= RSTP_DEFAULT_PORT_PRIORITY
;
1436 config_str
= smap_get(&port
->cfg
->other_config
, "rstp-admin-p2p-mac");
1438 port_s
->admin_p2p_mac_state
= strtoul(config_str
, NULL
, 0);
1440 port_s
->admin_p2p_mac_state
= RSTP_ADMIN_P2P_MAC_FORCE_TRUE
;
1443 port_s
->admin_port_state
= smap_get_bool(&port
->cfg
->other_config
,
1444 "rstp-admin-port-state", true);
1446 port_s
->admin_edge_port
= smap_get_bool(&port
->cfg
->other_config
,
1447 "rstp-port-admin-edge", false);
1448 port_s
->auto_edge
= smap_get_bool(&port
->cfg
->other_config
,
1449 "rstp-port-auto-edge", true);
1450 port_s
->mcheck
= smap_get_bool(&port
->cfg
->other_config
,
1451 "rstp-port-mcheck", false);
1454 /* Set spanning tree configuration on 'br'. */
1456 bridge_configure_stp(struct bridge
*br
, bool enable_stp
)
1459 ofproto_set_stp(br
->ofproto
, NULL
);
1461 struct ofproto_stp_settings br_s
;
1462 const char *config_str
;
1464 int port_num_counter
;
1465 unsigned long *port_num_bitmap
;
1467 config_str
= smap_get(&br
->cfg
->other_config
, "stp-system-id");
1469 uint8_t ea
[ETH_ADDR_LEN
];
1471 if (eth_addr_from_string(config_str
, ea
)) {
1472 br_s
.system_id
= eth_addr_to_uint64(ea
);
1474 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1475 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1476 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1479 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
1482 config_str
= smap_get(&br
->cfg
->other_config
, "stp-priority");
1484 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1486 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
1489 config_str
= smap_get(&br
->cfg
->other_config
, "stp-hello-time");
1491 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
1493 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
1496 config_str
= smap_get(&br
->cfg
->other_config
, "stp-max-age");
1498 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
1500 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
1503 config_str
= smap_get(&br
->cfg
->other_config
, "stp-forward-delay");
1505 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
1507 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
1510 /* Configure STP on the bridge. */
1511 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
1512 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
1516 /* Users must either set the port number with the "stp-port-num"
1517 * configuration on all ports or none. If manual configuration
1518 * is not done, then we allocate them sequentially. */
1519 port_num_counter
= 0;
1520 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
1521 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1522 struct ofproto_port_stp_settings port_s
;
1523 struct iface
*iface
;
1525 port_configure_stp(br
->ofproto
, port
, &port_s
,
1526 &port_num_counter
, port_num_bitmap
);
1528 /* As bonds are not supported, just apply configuration to
1529 * all interfaces. */
1530 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1531 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
1533 VLOG_ERR("port %s: could not enable STP", port
->name
);
1539 if (bitmap_scan(port_num_bitmap
, 1, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
1540 && port_num_counter
) {
1541 VLOG_ERR("bridge %s: must manually configure all STP port "
1542 "IDs or none, disabling", br
->name
);
1543 ofproto_set_stp(br
->ofproto
, NULL
);
1545 bitmap_free(port_num_bitmap
);
1550 bridge_configure_rstp(struct bridge
*br
, bool enable_rstp
)
1553 ofproto_set_rstp(br
->ofproto
, NULL
);
1555 struct ofproto_rstp_settings br_s
;
1556 const char *config_str
;
1558 int port_num_counter
;
1560 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-address");
1562 uint8_t ea
[ETH_ADDR_LEN
];
1564 if (eth_addr_from_string(config_str
, ea
)) {
1565 br_s
.address
= eth_addr_to_uint64(ea
);
1568 br_s
.address
= eth_addr_to_uint64(br
->ea
);
1569 VLOG_ERR("bridge %s: invalid rstp-address, defaulting "
1570 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
1574 br_s
.address
= eth_addr_to_uint64(br
->ea
);
1577 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-priority");
1579 br_s
.priority
= strtoul(config_str
, NULL
, 0);
1581 br_s
.priority
= RSTP_DEFAULT_PRIORITY
;
1584 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-ageing-time");
1586 br_s
.ageing_time
= strtoul(config_str
, NULL
, 0);
1588 br_s
.ageing_time
= RSTP_DEFAULT_AGEING_TIME
;
1591 config_str
= smap_get(&br
->cfg
->other_config
,
1592 "rstp-force-protocol-version");
1594 br_s
.force_protocol_version
= strtoul(config_str
, NULL
, 0);
1596 br_s
.force_protocol_version
= FPV_DEFAULT
;
1599 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-max-age");
1601 br_s
.bridge_max_age
= strtoul(config_str
, NULL
, 10);
1603 br_s
.bridge_max_age
= RSTP_DEFAULT_BRIDGE_MAX_AGE
;
1606 config_str
= smap_get(&br
->cfg
->other_config
, "rstp-forward-delay");
1608 br_s
.bridge_forward_delay
= strtoul(config_str
, NULL
, 10);
1610 br_s
.bridge_forward_delay
= RSTP_DEFAULT_BRIDGE_FORWARD_DELAY
;
1613 config_str
= smap_get(&br
->cfg
->other_config
,
1614 "rstp-transmit-hold-count");
1616 br_s
.transmit_hold_count
= strtoul(config_str
, NULL
, 10);
1618 br_s
.transmit_hold_count
= RSTP_DEFAULT_TRANSMIT_HOLD_COUNT
;
1621 /* Configure RSTP on the bridge. */
1622 if (ofproto_set_rstp(br
->ofproto
, &br_s
)) {
1623 VLOG_ERR("bridge %s: could not enable RSTP", br
->name
);
1627 port_num_counter
= 0;
1628 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1629 struct ofproto_port_rstp_settings port_s
;
1630 struct iface
*iface
;
1632 port_configure_rstp(br
->ofproto
, port
, &port_s
,
1635 /* As bonds are not supported, just apply configuration to
1636 * all interfaces. */
1637 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1638 if (ofproto_port_set_rstp(br
->ofproto
, iface
->ofp_port
,
1640 VLOG_ERR("port %s: could not enable RSTP", port
->name
);
1649 bridge_configure_spanning_tree(struct bridge
*br
)
1651 bool enable_rstp
= br
->cfg
->rstp_enable
;
1652 bool enable_stp
= br
->cfg
->stp_enable
;
1654 if (enable_rstp
&& enable_stp
) {
1655 VLOG_WARN("%s: RSTP and STP are mutually exclusive but both are "
1656 "configured; enabling RSTP", br
->name
);
1660 bridge_configure_stp(br
, enable_stp
);
1661 bridge_configure_rstp(br
, enable_rstp
);
1665 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
1667 const struct port
*port
= port_lookup(br
, name
);
1668 return port
&& port_is_bond_fake_iface(port
);
1672 port_is_bond_fake_iface(const struct port
*port
)
1674 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
1678 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
1680 struct bridge
*br
, *next
;
1681 struct shash new_br
;
1684 /* Collect new bridges' names and types. */
1685 shash_init(&new_br
);
1686 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1687 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
1688 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1690 if (strchr(br_cfg
->name
, '/')) {
1691 /* Prevent remote ovsdb-server users from accessing arbitrary
1692 * directories, e.g. consider a bridge named "../../../etc/". */
1693 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1695 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1696 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1700 /* Get rid of deleted bridges or those whose types have changed.
1701 * Update 'cfg' of bridges that still exist. */
1702 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1703 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1704 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1705 br
->cfg
->datapath_type
))) {
1710 /* Add new bridges. */
1711 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1712 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1713 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1715 bridge_create(br_cfg
);
1719 shash_destroy(&new_br
);
1722 /* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1723 * Returns 0 if successful, otherwise a positive errno value. */
1725 iface_set_netdev_config(const struct ovsrec_interface
*iface_cfg
,
1726 struct netdev
*netdev
, char **errp
)
1728 return netdev_set_config(netdev
, &iface_cfg
->options
, errp
);
1731 /* Opens a network device for 'if_cfg' and configures it. Adds the network
1732 * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'.
1734 * If successful, returns 0 and stores the network device in '*netdevp'. On
1735 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1737 iface_do_create(const struct bridge
*br
,
1738 const struct ovsrec_interface
*iface_cfg
,
1739 const struct ovsrec_port
*port_cfg
,
1740 ofp_port_t
*ofp_portp
, struct netdev
**netdevp
,
1743 struct netdev
*netdev
= NULL
;
1746 if (netdev_is_reserved_name(iface_cfg
->name
)) {
1747 VLOG_WARN("could not create interface %s, name is reserved",
1753 error
= netdev_open(iface_cfg
->name
,
1754 iface_get_type(iface_cfg
, br
->cfg
), &netdev
);
1756 VLOG_WARN_BUF(errp
, "could not open network device %s (%s)",
1757 iface_cfg
->name
, ovs_strerror(error
));
1761 error
= iface_set_netdev_config(iface_cfg
, netdev
, errp
);
1766 *ofp_portp
= iface_pick_ofport(iface_cfg
);
1767 error
= ofproto_port_add(br
->ofproto
, netdev
, ofp_portp
);
1772 VLOG_INFO("bridge %s: added interface %s on port %d",
1773 br
->name
, iface_cfg
->name
, *ofp_portp
);
1775 if (port_cfg
->vlan_mode
&& !strcmp(port_cfg
->vlan_mode
, "splinter")) {
1776 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
1784 netdev_close(netdev
);
1788 /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1789 * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is
1790 * automatically allocated for the iface. Takes ownership of and
1791 * deallocates 'if_cfg'.
1793 * Return true if an iface is successfully created, false otherwise. */
1795 iface_create(struct bridge
*br
, const struct ovsrec_interface
*iface_cfg
,
1796 const struct ovsrec_port
*port_cfg
)
1798 struct netdev
*netdev
;
1799 struct iface
*iface
;
1800 ofp_port_t ofp_port
;
1805 /* Do the bits that can fail up front. */
1806 ovs_assert(!iface_lookup(br
, iface_cfg
->name
));
1807 error
= iface_do_create(br
, iface_cfg
, port_cfg
, &ofp_port
, &netdev
, &errp
);
1809 iface_clear_db_record(iface_cfg
, errp
);
1814 /* Get or create the port structure. */
1815 port
= port_lookup(br
, port_cfg
->name
);
1817 port
= port_create(br
, port_cfg
);
1820 /* Create the iface structure. */
1821 iface
= xzalloc(sizeof *iface
);
1822 list_push_back(&port
->ifaces
, &iface
->port_elem
);
1823 hmap_insert(&br
->iface_by_name
, &iface
->name_node
,
1824 hash_string(iface_cfg
->name
, 0));
1826 iface
->name
= xstrdup(iface_cfg
->name
);
1827 iface
->ofp_port
= ofp_port
;
1828 iface
->netdev
= netdev
;
1829 iface
->type
= iface_get_type(iface_cfg
, br
->cfg
);
1830 iface
->cfg
= iface_cfg
;
1831 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
,
1832 hash_ofp_port(ofp_port
));
1834 /* Populate initial status in database. */
1835 iface_refresh_stats(iface
);
1836 iface_refresh_netdev_status(iface
);
1838 /* Add bond fake iface if necessary. */
1839 if (port_is_bond_fake_iface(port
)) {
1840 struct ofproto_port ofproto_port
;
1842 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1844 struct netdev
*netdev
;
1847 error
= netdev_open(port
->name
, "internal", &netdev
);
1849 ofp_port_t fake_ofp_port
= OFPP_NONE
;
1850 ofproto_port_add(br
->ofproto
, netdev
, &fake_ofp_port
);
1851 netdev_close(netdev
);
1853 VLOG_WARN("could not open network device %s (%s)",
1854 port
->name
, ovs_strerror(error
));
1857 /* Already exists, nothing to do. */
1858 ofproto_port_destroy(&ofproto_port
);
1865 /* Set forward BPDU option. */
1867 bridge_configure_forward_bpdu(struct bridge
*br
)
1869 ofproto_set_forward_bpdu(br
->ofproto
,
1870 smap_get_bool(&br
->cfg
->other_config
,
1875 /* Set MAC learning table configuration for 'br'. */
1877 bridge_configure_mac_table(struct bridge
*br
)
1879 const char *idle_time_str
;
1882 const char *mac_table_size_str
;
1885 idle_time_str
= smap_get(&br
->cfg
->other_config
, "mac-aging-time");
1886 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1887 ? atoi(idle_time_str
)
1888 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1890 mac_table_size_str
= smap_get(&br
->cfg
->other_config
, "mac-table-size");
1891 mac_table_size
= (mac_table_size_str
&& atoi(mac_table_size_str
)
1892 ? atoi(mac_table_size_str
)
1895 ofproto_set_mac_table_config(br
->ofproto
, idle_time
, mac_table_size
);
1898 /* Set multicast snooping table configuration for 'br'. */
1900 bridge_configure_mcast_snooping(struct bridge
*br
)
1902 if (!br
->cfg
->mcast_snooping_enable
) {
1903 ofproto_set_mcast_snooping(br
->ofproto
, NULL
);
1906 struct ofproto_mcast_snooping_settings br_s
;
1907 const char *idle_time_str
;
1908 const char *max_entries_str
;
1910 idle_time_str
= smap_get(&br
->cfg
->other_config
,
1911 "mcast-snooping-aging-time");
1912 br_s
.idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1913 ? atoi(idle_time_str
)
1914 : MCAST_ENTRY_DEFAULT_IDLE_TIME
);
1916 max_entries_str
= smap_get(&br
->cfg
->other_config
,
1917 "mcast-snooping-table-size");
1918 br_s
.max_entries
= (max_entries_str
&& atoi(max_entries_str
)
1919 ? atoi(max_entries_str
)
1920 : MCAST_DEFAULT_MAX_ENTRIES
);
1922 br_s
.flood_unreg
= !smap_get_bool(&br
->cfg
->other_config
,
1923 "mcast-snooping-disable-flood-unregistered",
1926 /* Configure multicast snooping on the bridge */
1927 if (ofproto_set_mcast_snooping(br
->ofproto
, &br_s
)) {
1928 VLOG_ERR("bridge %s: could not enable multicast snooping",
1933 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1934 struct ofproto_mcast_snooping_port_settings port_s
;
1935 port_s
.flood
= smap_get_bool(&port
->cfg
->other_config
,
1936 "mcast-snooping-flood", false);
1937 port_s
.flood_reports
= smap_get_bool(&port
->cfg
->other_config
,
1938 "mcast-snooping-flood-reports", false);
1939 if (ofproto_port_set_mcast_snooping(br
->ofproto
, port
, &port_s
)) {
1940 VLOG_ERR("port %s: could not configure mcast snooping",
1948 find_local_hw_addr(const struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1949 const struct port
*fake_br
, struct iface
**hw_addr_iface
)
1951 struct hmapx mirror_output_ports
;
1953 bool found_addr
= false;
1957 /* Mirror output ports don't participate in picking the local hardware
1958 * address. ofproto can't help us find out whether a given port is a
1959 * mirror output because we haven't configured mirrors yet, so we need to
1960 * accumulate them ourselves. */
1961 hmapx_init(&mirror_output_ports
);
1962 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1963 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1964 if (m
->output_port
) {
1965 hmapx_add(&mirror_output_ports
, m
->output_port
);
1969 /* Otherwise choose the minimum non-local MAC address among all of the
1971 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1972 uint8_t iface_ea
[ETH_ADDR_LEN
];
1973 struct iface
*candidate
;
1974 struct iface
*iface
;
1976 /* Mirror output ports don't participate. */
1977 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1981 /* Choose the MAC address to represent the port. */
1983 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1984 /* Find the interface with this Ethernet address (if any) so that
1985 * we can provide the correct devname to the caller. */
1986 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1987 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1988 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1989 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1994 /* Choose the interface whose MAC address will represent the port.
1995 * The Linux kernel bonding code always chooses the MAC address of
1996 * the first slave added to a bond, and the Fedora networking
1997 * scripts always add slaves to a bond in alphabetical order, so
1998 * for compatibility we choose the interface with the name that is
1999 * first in alphabetical order. */
2000 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
2001 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
2006 /* The local port doesn't count (since we're trying to choose its
2007 * MAC address anyway). */
2008 if (iface
->ofp_port
== OFPP_LOCAL
) {
2012 /* For fake bridges we only choose from ports with the same tag */
2013 if (fake_br
&& fake_br
->cfg
&& fake_br
->cfg
->tag
) {
2014 if (!port
->cfg
->tag
) {
2017 if (*port
->cfg
->tag
!= *fake_br
->cfg
->tag
) {
2023 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
2029 /* Compare against our current choice. */
2030 if (!eth_addr_is_multicast(iface_ea
) &&
2031 !eth_addr_is_local(iface_ea
) &&
2032 !eth_addr_is_reserved(iface_ea
) &&
2033 !eth_addr_is_zero(iface_ea
) &&
2034 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
2036 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
2037 *hw_addr_iface
= iface
;
2043 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
2044 *hw_addr_iface
= NULL
;
2047 hmapx_destroy(&mirror_output_ports
);
2051 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
2052 struct iface
**hw_addr_iface
)
2055 *hw_addr_iface
= NULL
;
2057 /* Did the user request a particular MAC? */
2058 hwaddr
= smap_get(&br
->cfg
->other_config
, "hwaddr");
2059 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
2060 if (eth_addr_is_multicast(ea
)) {
2061 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
2062 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
2063 } else if (eth_addr_is_zero(ea
)) {
2064 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
2070 /* Find a local hw address */
2071 find_local_hw_addr(br
, ea
, NULL
, hw_addr_iface
);
2074 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
2075 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
2076 * an interface on 'br', then that interface must be passed in as
2077 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
2078 * 'hw_addr_iface' must be passed in as a null pointer. */
2080 bridge_pick_datapath_id(struct bridge
*br
,
2081 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
2082 struct iface
*hw_addr_iface
)
2085 * The procedure for choosing a bridge MAC address will, in the most
2086 * ordinary case, also choose a unique MAC that we can use as a datapath
2087 * ID. In some special cases, though, multiple bridges will end up with
2088 * the same MAC address. This is OK for the bridges, but it will confuse
2089 * the OpenFlow controller, because each datapath needs a unique datapath
2092 * Datapath IDs must be unique. It is also very desirable that they be
2093 * stable from one run to the next, so that policy set on a datapath
2096 const char *datapath_id
;
2099 datapath_id
= smap_get(&br
->cfg
->other_config
, "datapath-id");
2100 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
2104 if (!hw_addr_iface
) {
2106 * A purely internal bridge, that is, one that has no non-virtual
2107 * network devices on it at all, is difficult because it has no
2108 * natural unique identifier at all.
2110 * When the host is a XenServer, we handle this case by hashing the
2111 * host's UUID with the name of the bridge. Names of bridges are
2112 * persistent across XenServer reboots, although they can be reused if
2113 * an internal network is destroyed and then a new one is later
2114 * created, so this is fairly effective.
2116 * When the host is not a XenServer, we punt by using a random MAC
2117 * address on each run.
2119 const char *host_uuid
= xenserver_get_host_uuid();
2121 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
2122 dpid
= dpid_from_hash(combined
, strlen(combined
));
2128 return eth_addr_to_uint64(bridge_ea
);
2132 dpid_from_hash(const void *data
, size_t n
)
2134 uint8_t hash
[SHA1_DIGEST_SIZE
];
2136 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
2137 sha1_bytes(data
, n
, hash
);
2138 eth_addr_mark_random(hash
);
2139 return eth_addr_to_uint64(hash
);
2143 iface_refresh_netdev_status(struct iface
*iface
)
2147 enum netdev_features current
;
2148 enum netdev_flags flags
;
2149 const char *link_state
;
2150 uint8_t mac
[ETH_ADDR_LEN
];
2151 int64_t bps
, mtu_64
, ifindex64
, link_resets
;
2154 if (iface_is_synthetic(iface
)) {
2158 if (iface
->change_seq
== netdev_get_change_seq(iface
->netdev
)
2159 && !status_txn_try_again
) {
2163 iface
->change_seq
= netdev_get_change_seq(iface
->netdev
);
2167 if (!netdev_get_status(iface
->netdev
, &smap
)) {
2168 ovsrec_interface_set_status(iface
->cfg
, &smap
);
2170 ovsrec_interface_set_status(iface
->cfg
, NULL
);
2173 smap_destroy(&smap
);
2175 error
= netdev_get_flags(iface
->netdev
, &flags
);
2177 const char *state
= flags
& NETDEV_UP
? "up" : "down";
2179 ovsrec_interface_set_admin_state(iface
->cfg
, state
);
2181 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
2184 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
2185 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
2187 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
2188 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
2190 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
2191 bps
= !error
? netdev_features_to_bps(current
, 0) : 0;
2193 ovsrec_interface_set_duplex(iface
->cfg
,
2194 netdev_features_is_full_duplex(current
)
2196 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
2198 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
2199 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
2202 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
2205 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
2207 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
2210 error
= netdev_get_etheraddr(iface
->netdev
, mac
);
2212 char mac_string
[32];
2214 sprintf(mac_string
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
2215 ovsrec_interface_set_mac_in_use(iface
->cfg
, mac_string
);
2217 ovsrec_interface_set_mac_in_use(iface
->cfg
, NULL
);
2220 /* The netdev may return a negative number (such as -EOPNOTSUPP)
2221 * if there is no valid ifindex number. */
2222 ifindex64
= netdev_get_ifindex(iface
->netdev
);
2223 if (ifindex64
< 0) {
2226 ovsrec_interface_set_ifindex(iface
->cfg
, &ifindex64
, 1);
2230 iface_refresh_ofproto_status(struct iface
*iface
)
2234 if (iface_is_synthetic(iface
)) {
2238 current
= ofproto_port_is_lacp_current(iface
->port
->bridge
->ofproto
,
2242 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
2244 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
2247 if (ofproto_port_cfm_status_changed(iface
->port
->bridge
->ofproto
,
2249 || status_txn_try_again
) {
2250 iface_refresh_cfm_stats(iface
);
2253 if (ofproto_port_bfd_status_changed(iface
->port
->bridge
->ofproto
,
2255 || status_txn_try_again
) {
2259 ofproto_port_get_bfd_status(iface
->port
->bridge
->ofproto
,
2260 iface
->ofp_port
, &smap
);
2261 ovsrec_interface_set_bfd_status(iface
->cfg
, &smap
);
2262 smap_destroy(&smap
);
2266 /* Writes 'iface''s CFM statistics to the database. 'iface' must not be
2269 iface_refresh_cfm_stats(struct iface
*iface
)
2271 const struct ovsrec_interface
*cfg
= iface
->cfg
;
2272 struct cfm_status status
;
2275 error
= ofproto_port_get_cfm_status(iface
->port
->bridge
->ofproto
,
2276 iface
->ofp_port
, &status
);
2278 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
2279 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
2280 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
2281 ovsrec_interface_set_cfm_flap_count(cfg
, NULL
, 0);
2282 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
2283 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
2285 const char *reasons
[CFM_FAULT_N_REASONS
];
2286 int64_t cfm_health
= status
.health
;
2287 int64_t cfm_flap_count
= status
.flap_count
;
2288 bool faulted
= status
.faults
!= 0;
2291 ovsrec_interface_set_cfm_fault(cfg
, &faulted
, 1);
2294 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
2295 int reason
= 1 << i
;
2296 if (status
.faults
& reason
) {
2297 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
2300 ovsrec_interface_set_cfm_fault_status(cfg
, reasons
, j
);
2302 ovsrec_interface_set_cfm_flap_count(cfg
, &cfm_flap_count
, 1);
2304 if (status
.remote_opstate
>= 0) {
2305 const char *remote_opstate
= status
.remote_opstate
? "up" : "down";
2306 ovsrec_interface_set_cfm_remote_opstate(cfg
, remote_opstate
);
2308 ovsrec_interface_set_cfm_remote_opstate(cfg
, NULL
);
2311 ovsrec_interface_set_cfm_remote_mpids(cfg
,
2312 (const int64_t *)status
.rmps
,
2314 if (cfm_health
>= 0) {
2315 ovsrec_interface_set_cfm_health(cfg
, &cfm_health
, 1);
2317 ovsrec_interface_set_cfm_health(cfg
, NULL
, 0);
2325 iface_refresh_stats(struct iface
*iface
)
2327 #define IFACE_STATS \
2328 IFACE_STAT(rx_packets, "rx_packets") \
2329 IFACE_STAT(tx_packets, "tx_packets") \
2330 IFACE_STAT(rx_bytes, "rx_bytes") \
2331 IFACE_STAT(tx_bytes, "tx_bytes") \
2332 IFACE_STAT(rx_dropped, "rx_dropped") \
2333 IFACE_STAT(tx_dropped, "tx_dropped") \
2334 IFACE_STAT(rx_errors, "rx_errors") \
2335 IFACE_STAT(tx_errors, "tx_errors") \
2336 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
2337 IFACE_STAT(rx_over_errors, "rx_over_err") \
2338 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
2339 IFACE_STAT(collisions, "collisions")
2341 #define IFACE_STAT(MEMBER, NAME) + 1
2342 enum { N_IFACE_STATS
= IFACE_STATS
};
2344 int64_t values
[N_IFACE_STATS
];
2345 const char *keys
[N_IFACE_STATS
];
2348 struct netdev_stats stats
;
2350 if (iface_is_synthetic(iface
)) {
2354 /* Intentionally ignore return value, since errors will set 'stats' to
2355 * all-1s, and we will deal with that correctly below. */
2356 netdev_get_stats(iface
->netdev
, &stats
);
2358 /* Copy statistics into keys[] and values[]. */
2360 #define IFACE_STAT(MEMBER, NAME) \
2361 if (stats.MEMBER != UINT64_MAX) { \
2363 values[n] = stats.MEMBER; \
2368 ovs_assert(n
<= N_IFACE_STATS
);
2370 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
, n
);
2375 br_refresh_datapath_info(struct bridge
*br
)
2377 const char *version
;
2379 version
= (br
->ofproto
&& br
->ofproto
->ofproto_class
->get_datapath_version
2380 ? br
->ofproto
->ofproto_class
->get_datapath_version(br
->ofproto
)
2383 ovsrec_bridge_set_datapath_version(br
->cfg
,
2384 version
? version
: "<unknown>");
2388 br_refresh_stp_status(struct bridge
*br
)
2390 struct smap smap
= SMAP_INITIALIZER(&smap
);
2391 struct ofproto
*ofproto
= br
->ofproto
;
2392 struct ofproto_stp_status status
;
2394 if (ofproto_get_stp_status(ofproto
, &status
)) {
2398 if (!status
.enabled
) {
2399 ovsrec_bridge_set_status(br
->cfg
, NULL
);
2403 smap_add_format(&smap
, "stp_bridge_id", STP_ID_FMT
,
2404 STP_ID_ARGS(status
.bridge_id
));
2405 smap_add_format(&smap
, "stp_designated_root", STP_ID_FMT
,
2406 STP_ID_ARGS(status
.designated_root
));
2407 smap_add_format(&smap
, "stp_root_path_cost", "%d", status
.root_path_cost
);
2409 ovsrec_bridge_set_status(br
->cfg
, &smap
);
2410 smap_destroy(&smap
);
2414 port_refresh_stp_status(struct port
*port
)
2416 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2417 struct iface
*iface
;
2418 struct ofproto_port_stp_status status
;
2421 if (port_is_synthetic(port
)) {
2425 /* STP doesn't currently support bonds. */
2426 if (!list_is_singleton(&port
->ifaces
)) {
2427 ovsrec_port_set_status(port
->cfg
, NULL
);
2431 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2432 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
2436 if (!status
.enabled
) {
2437 ovsrec_port_set_status(port
->cfg
, NULL
);
2441 /* Set Status column. */
2443 smap_add_format(&smap
, "stp_port_id", STP_PORT_ID_FMT
, status
.port_id
);
2444 smap_add(&smap
, "stp_state", stp_state_name(status
.state
));
2445 smap_add_format(&smap
, "stp_sec_in_state", "%u", status
.sec_in_state
);
2446 smap_add(&smap
, "stp_role", stp_role_name(status
.role
));
2447 ovsrec_port_set_status(port
->cfg
, &smap
);
2448 smap_destroy(&smap
);
2452 port_refresh_stp_stats(struct port
*port
)
2454 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2455 struct iface
*iface
;
2456 struct ofproto_port_stp_stats stats
;
2457 const char *keys
[3];
2458 int64_t int_values
[3];
2460 if (port_is_synthetic(port
)) {
2464 /* STP doesn't currently support bonds. */
2465 if (!list_is_singleton(&port
->ifaces
)) {
2469 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2470 if (ofproto_port_get_stp_stats(ofproto
, iface
->ofp_port
, &stats
)) {
2474 if (!stats
.enabled
) {
2475 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
2479 /* Set Statistics column. */
2480 keys
[0] = "stp_tx_count";
2481 int_values
[0] = stats
.tx_count
;
2482 keys
[1] = "stp_rx_count";
2483 int_values
[1] = stats
.rx_count
;
2484 keys
[2] = "stp_error_count";
2485 int_values
[2] = stats
.error_count
;
2487 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
2488 ARRAY_SIZE(int_values
));
2492 br_refresh_rstp_status(struct bridge
*br
)
2494 struct smap smap
= SMAP_INITIALIZER(&smap
);
2495 struct ofproto
*ofproto
= br
->ofproto
;
2496 struct ofproto_rstp_status status
;
2498 if (ofproto_get_rstp_status(ofproto
, &status
)) {
2501 if (!status
.enabled
) {
2502 ovsrec_bridge_set_rstp_status(br
->cfg
, NULL
);
2505 smap_add_format(&smap
, "rstp_bridge_id", RSTP_ID_FMT
,
2506 RSTP_ID_ARGS(status
.bridge_id
));
2507 smap_add_format(&smap
, "rstp_root_path_cost", "%"PRIu32
,
2508 status
.root_path_cost
);
2509 smap_add_format(&smap
, "rstp_root_id", RSTP_ID_FMT
,
2510 RSTP_ID_ARGS(status
.root_id
));
2511 smap_add_format(&smap
, "rstp_designated_id", RSTP_ID_FMT
,
2512 RSTP_ID_ARGS(status
.designated_id
));
2513 smap_add_format(&smap
, "rstp_designated_port_id", RSTP_PORT_ID_FMT
,
2514 status
.designated_port_id
);
2515 smap_add_format(&smap
, "rstp_bridge_port_id", RSTP_PORT_ID_FMT
,
2516 status
.bridge_port_id
);
2517 ovsrec_bridge_set_rstp_status(br
->cfg
, &smap
);
2518 smap_destroy(&smap
);
2522 port_refresh_rstp_status(struct port
*port
)
2524 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
2525 struct iface
*iface
;
2526 struct ofproto_port_rstp_status status
;
2527 const char *keys
[4];
2528 int64_t int_values
[4];
2531 if (port_is_synthetic(port
)) {
2535 /* RSTP doesn't currently support bonds. */
2536 if (!list_is_singleton(&port
->ifaces
)) {
2537 ovsrec_port_set_rstp_status(port
->cfg
, NULL
);
2541 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
2542 if (ofproto_port_get_rstp_status(ofproto
, iface
->ofp_port
, &status
)) {
2546 if (!status
.enabled
) {
2547 ovsrec_port_set_rstp_status(port
->cfg
, NULL
);
2548 ovsrec_port_set_rstp_statistics(port
->cfg
, NULL
, NULL
, 0);
2551 /* Set Status column. */
2554 smap_add_format(&smap
, "rstp_port_id", RSTP_PORT_ID_FMT
,
2556 smap_add_format(&smap
, "rstp_port_role", "%s",
2557 rstp_port_role_name(status
.role
));
2558 smap_add_format(&smap
, "rstp_port_state", "%s",
2559 rstp_state_name(status
.state
));
2560 smap_add_format(&smap
, "rstp_designated_bridge_id", RSTP_ID_FMT
,
2561 RSTP_ID_ARGS(status
.designated_bridge_id
));
2562 smap_add_format(&smap
, "rstp_designated_port_id", RSTP_PORT_ID_FMT
,
2563 status
.designated_port_id
);
2564 smap_add_format(&smap
, "rstp_designated_path_cost", "%"PRIu32
,
2565 status
.designated_path_cost
);
2567 ovsrec_port_set_rstp_status(port
->cfg
, &smap
);
2568 smap_destroy(&smap
);
2570 /* Set Statistics column. */
2571 keys
[0] = "rstp_tx_count";
2572 int_values
[0] = status
.tx_count
;
2573 keys
[1] = "rstp_rx_count";
2574 int_values
[1] = status
.rx_count
;
2575 keys
[2] = "rstp_uptime";
2576 int_values
[2] = status
.uptime
;
2577 keys
[3] = "rstp_error_count";
2578 int_values
[3] = status
.error_count
;
2579 ovsrec_port_set_rstp_statistics(port
->cfg
, keys
, int_values
,
2580 ARRAY_SIZE(int_values
));
2584 port_refresh_bond_status(struct port
*port
, bool force_update
)
2586 uint8_t mac
[ETH_ADDR_LEN
];
2588 /* Return if port is not a bond */
2589 if (list_is_singleton(&port
->ifaces
)) {
2593 if (bond_get_changed_active_slave(port
->name
, mac
, force_update
)) {
2597 ds_put_format(&mac_s
, ETH_ADDR_FMT
, ETH_ADDR_ARGS(mac
));
2598 ovsrec_port_set_bond_active_slave(port
->cfg
, ds_cstr(&mac_s
));
2604 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2606 return smap_get_bool(&cfg
->other_config
, "enable-statistics", false);
2610 reconfigure_system_stats(const struct ovsrec_open_vswitch
*cfg
)
2612 bool enable
= enable_system_stats(cfg
);
2614 system_stats_enable(enable
);
2616 ovsrec_open_vswitch_set_statistics(cfg
, NULL
);
2621 run_system_stats(void)
2623 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2626 stats
= system_stats_run();
2628 struct ovsdb_idl_txn
*txn
;
2629 struct ovsdb_datum datum
;
2631 txn
= ovsdb_idl_txn_create(idl
);
2632 ovsdb_datum_from_smap(&datum
, stats
);
2633 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
2635 ovsdb_idl_txn_commit(txn
);
2636 ovsdb_idl_txn_destroy(txn
);
2643 ofp12_controller_role_to_str(enum ofp12_controller_role role
)
2646 case OFPCR12_ROLE_EQUAL
:
2648 case OFPCR12_ROLE_MASTER
:
2650 case OFPCR12_ROLE_SLAVE
:
2652 case OFPCR12_ROLE_NOCHANGE
:
2654 return "*** INVALID ROLE ***";
2659 refresh_controller_status(void)
2663 const struct ovsrec_controller
*cfg
;
2667 /* Accumulate status for controllers on all bridges. */
2668 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2669 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
2672 /* Update each controller in the database with current status. */
2673 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
2674 struct ofproto_controller_info
*cinfo
=
2675 shash_find_data(&info
, cfg
->target
);
2678 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
2679 ovsrec_controller_set_role(cfg
, ofp12_controller_role_to_str(
2681 ovsrec_controller_set_status(cfg
, &cinfo
->pairs
);
2683 ovsrec_controller_set_is_connected(cfg
, false);
2684 ovsrec_controller_set_role(cfg
, NULL
);
2685 ovsrec_controller_set_status(cfg
, NULL
);
2689 ofproto_free_ofproto_controller_info(&info
);
2692 /* Update interface and mirror statistics if necessary. */
2694 run_stats_update(void)
2696 static struct ovsdb_idl_txn
*stats_txn
;
2697 const struct ovsrec_open_vswitch
*cfg
= ovsrec_open_vswitch_first(idl
);
2704 /* Statistics update interval should always be greater than or equal to
2706 stats_interval
= MAX(smap_get_int(&cfg
->other_config
,
2707 "stats-update-interval",
2709 if (stats_timer_interval
!= stats_interval
) {
2710 stats_timer_interval
= stats_interval
;
2711 stats_timer
= LLONG_MIN
;
2714 if (time_msec() >= stats_timer
) {
2715 enum ovsdb_idl_txn_status status
;
2717 /* Rate limit the update. Do not start a new update if the
2718 * previous one is not done. */
2722 stats_txn
= ovsdb_idl_txn_create(idl
);
2723 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2727 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2728 struct iface
*iface
;
2730 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2731 iface_refresh_stats(iface
);
2733 port_refresh_stp_stats(port
);
2735 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
2736 mirror_refresh_stats(m
);
2739 refresh_controller_status();
2742 status
= ovsdb_idl_txn_commit(stats_txn
);
2743 if (status
!= TXN_INCOMPLETE
) {
2744 stats_timer
= time_msec() + stats_timer_interval
;
2745 ovsdb_idl_txn_destroy(stats_txn
);
2751 /* Update bridge/port/interface status if necessary. */
2753 run_status_update(void)
2758 /* Rate limit the update. Do not start a new update if the
2759 * previous one is not done. */
2760 seq
= seq_read(connectivity_seq_get());
2761 if (seq
!= connectivity_seqno
|| status_txn_try_again
) {
2764 connectivity_seqno
= seq
;
2765 status_txn
= ovsdb_idl_txn_create(idl
);
2766 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2769 br_refresh_stp_status(br
);
2770 br_refresh_rstp_status(br
);
2771 br_refresh_datapath_info(br
);
2772 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
2773 struct iface
*iface
;
2775 port_refresh_stp_status(port
);
2776 port_refresh_rstp_status(port
);
2777 port_refresh_bond_status(port
, status_txn_try_again
);
2778 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2779 iface_refresh_netdev_status(iface
);
2780 iface_refresh_ofproto_status(iface
);
2787 /* Commit the transaction and get the status. If the transaction finishes,
2788 * then destroy the transaction. Otherwise, keep it so that we can check
2789 * progress the next time that this function is called. */
2791 enum ovsdb_idl_txn_status status
;
2793 status
= ovsdb_idl_txn_commit(status_txn
);
2794 if (status
!= TXN_INCOMPLETE
) {
2795 ovsdb_idl_txn_destroy(status_txn
);
2798 /* Sets the 'status_txn_try_again' if the transaction fails. */
2799 if (status
== TXN_SUCCESS
|| status
== TXN_UNCHANGED
) {
2800 status_txn_try_again
= false;
2802 status_txn_try_again
= true;
2807 /* Refresh AA port status if necessary. */
2808 if (time_msec() >= aa_refresh_timer
) {
2811 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2812 if (bridge_aa_need_refresh(br
)) {
2813 struct ovsdb_idl_txn
*txn
;
2815 txn
= ovsdb_idl_txn_create(idl
);
2816 bridge_aa_refresh_queued(br
);
2817 ovsdb_idl_txn_commit(txn
);
2818 ovsdb_idl_txn_destroy(txn
);
2822 aa_refresh_timer
= time_msec() + AA_REFRESH_INTERVAL
;
2827 status_update_wait(void)
2829 /* If the 'status_txn' is non-null (transaction incomplete), waits for the
2830 * transaction to complete. If the status update to database needs to be
2831 * run again (transaction fails), registers a timeout in
2832 * 'STATUS_CHECK_AGAIN_MSEC'. Otherwise, waits on the global connectivity
2833 * sequence number. */
2835 ovsdb_idl_txn_wait(status_txn
);
2836 } else if (status_txn_try_again
) {
2837 poll_timer_wait_until(time_msec() + STATUS_CHECK_AGAIN_MSEC
);
2839 seq_wait(connectivity_seq_get(), connectivity_seqno
);
2850 /* Let each datapath type do the work that it needs to do. */
2852 ofproto_enumerate_types(&types
);
2853 SSET_FOR_EACH (type
, &types
) {
2854 ofproto_type_run(type
);
2856 sset_destroy(&types
);
2858 /* Let each bridge do the work that it needs to do. */
2859 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2860 ofproto_run(br
->ofproto
);
2867 static struct ovsrec_open_vswitch null_cfg
;
2868 const struct ovsrec_open_vswitch
*cfg
;
2870 bool vlan_splinters_changed
;
2872 ovsrec_open_vswitch_init(&null_cfg
);
2876 if (ovsdb_idl_is_lock_contended(idl
)) {
2877 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2878 struct bridge
*br
, *next_br
;
2880 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
2881 "disabling this process (pid %ld) until it goes away",
2882 (long int) getpid());
2884 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
2887 /* Since we will not be running system_stats_run() in this process
2888 * with the current situation of multiple ovs-vswitchd daemons,
2889 * disable system stats collection. */
2890 system_stats_enable(false);
2892 } else if (!ovsdb_idl_has_lock(idl
)
2893 || !ovsdb_idl_has_ever_connected(idl
)) {
2894 /* Returns if not holding the lock or not done retrieving db
2898 cfg
= ovsrec_open_vswitch_first(idl
);
2900 /* Initialize the ofproto library. This only needs to run once, but
2901 * it must be done after the configuration is set. If the
2902 * initialization has already occurred, bridge_init_ofproto()
2903 * returns immediately. */
2904 bridge_init_ofproto(cfg
);
2906 /* Once the value of flow-restore-wait is false, we no longer should
2907 * check its value from the database. */
2908 if (cfg
&& ofproto_get_flow_restore_wait()) {
2909 ofproto_set_flow_restore_wait(smap_get_bool(&cfg
->other_config
,
2910 "flow-restore-wait", false));
2915 /* Re-configure SSL. We do this on every trip through the main loop,
2916 * instead of just when the database changes, because the contents of the
2917 * key and certificate files can change without the database changing.
2919 * We do this before bridge_reconfigure() because that function might
2920 * initiate SSL connections and thus requires SSL to be configured. */
2921 if (cfg
&& cfg
->ssl
) {
2922 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
2924 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
2925 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
2928 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2929 * usage has changed. */
2930 vlan_splinters_changed
= false;
2931 if (vlan_splinters_enabled_anywhere
) {
2934 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2935 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
2936 vlan_splinters_changed
= true;
2942 if (ovsdb_idl_get_seqno(idl
) != idl_seqno
|| vlan_splinters_changed
) {
2943 struct ovsdb_idl_txn
*txn
;
2945 idl_seqno
= ovsdb_idl_get_seqno(idl
);
2946 txn
= ovsdb_idl_txn_create(idl
);
2947 bridge_reconfigure(cfg
? cfg
: &null_cfg
);
2950 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
2951 discover_types(cfg
);
2954 /* If we are completing our initial configuration for this run
2955 * of ovs-vswitchd, then keep the transaction around to monitor
2956 * it for completion. */
2957 if (initial_config_done
) {
2958 /* Always sets the 'status_txn_try_again' to check again,
2959 * in case that this transaction fails. */
2960 status_txn_try_again
= true;
2961 ovsdb_idl_txn_commit(txn
);
2962 ovsdb_idl_txn_destroy(txn
);
2964 initial_config_done
= true;
2965 daemonize_txn
= txn
;
2969 if (daemonize_txn
) {
2970 enum ovsdb_idl_txn_status status
= ovsdb_idl_txn_commit(daemonize_txn
);
2971 if (status
!= TXN_INCOMPLETE
) {
2972 ovsdb_idl_txn_destroy(daemonize_txn
);
2973 daemonize_txn
= NULL
;
2975 /* ovs-vswitchd has completed initialization, so allow the
2976 * process that forked us to exit successfully. */
2977 daemonize_complete();
2979 vlog_enable_async();
2981 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name
, VERSION
);
2986 run_status_update();
2996 ovsdb_idl_wait(idl
);
2997 if (daemonize_txn
) {
2998 ovsdb_idl_txn_wait(daemonize_txn
);
3002 ofproto_enumerate_types(&types
);
3003 SSET_FOR_EACH (type
, &types
) {
3004 ofproto_type_wait(type
);
3006 sset_destroy(&types
);
3008 if (!hmap_is_empty(&all_bridges
)) {
3011 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3012 ofproto_wait(br
->ofproto
);
3015 poll_timer_wait_until(stats_timer
);
3016 status_update_wait();
3019 system_stats_wait();
3022 /* Adds some memory usage statistics for bridges into 'usage', for use with
3023 * memory_report(). */
3025 bridge_get_memory_usage(struct simap
*usage
)
3032 ofproto_enumerate_types(&types
);
3033 SSET_FOR_EACH (type
, &types
) {
3034 ofproto_type_get_memory_usage(type
, usage
);
3036 sset_destroy(&types
);
3038 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3039 ofproto_get_memory_usage(br
->ofproto
, usage
);
3043 /* QoS unixctl user interface functions. */
3045 struct qos_unixctl_show_cbdata
{
3047 struct iface
*iface
;
3051 qos_unixctl_show_queue(unsigned int queue_id
,
3052 const struct smap
*details
,
3053 struct iface
*iface
,
3056 struct netdev_queue_stats stats
;
3057 struct smap_node
*node
;
3060 ds_put_cstr(ds
, "\n");
3062 ds_put_format(ds
, "Queue %u:\n", queue_id
);
3064 ds_put_cstr(ds
, "Default:\n");
3067 SMAP_FOR_EACH (node
, details
) {
3068 ds_put_format(ds
, "\t%s: %s\n", node
->key
, node
->value
);
3071 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
3073 if (stats
.tx_packets
!= UINT64_MAX
) {
3074 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
3077 if (stats
.tx_bytes
!= UINT64_MAX
) {
3078 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
3081 if (stats
.tx_errors
!= UINT64_MAX
) {
3082 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
3085 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
3086 queue_id
, ovs_strerror(error
));
3091 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3092 const char *argv
[], void *aux OVS_UNUSED
)
3094 struct ds ds
= DS_EMPTY_INITIALIZER
;
3095 struct smap smap
= SMAP_INITIALIZER(&smap
);
3096 struct iface
*iface
;
3098 struct smap_node
*node
;
3100 iface
= iface_find(argv
[1]);
3102 unixctl_command_reply_error(conn
, "no such interface");
3106 netdev_get_qos(iface
->netdev
, &type
, &smap
);
3108 if (*type
!= '\0') {
3109 struct netdev_queue_dump dump
;
3110 struct smap details
;
3111 unsigned int queue_id
;
3113 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
3115 SMAP_FOR_EACH (node
, &smap
) {
3116 ds_put_format(&ds
, "%s: %s\n", node
->key
, node
->value
);
3119 smap_init(&details
);
3120 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
3121 qos_unixctl_show_queue(queue_id
, &details
, iface
, &ds
);
3123 smap_destroy(&details
);
3125 unixctl_command_reply(conn
, ds_cstr(&ds
));
3127 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
3128 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
3131 smap_destroy(&smap
);
3135 /* Bridge reconfiguration functions. */
3137 bridge_create(const struct ovsrec_bridge
*br_cfg
)
3141 ovs_assert(!bridge_lookup(br_cfg
->name
));
3142 br
= xzalloc(sizeof *br
);
3144 br
->name
= xstrdup(br_cfg
->name
);
3145 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
3148 /* Derive the default Ethernet address from the bridge's UUID. This should
3149 * be unique and it will be stable between ovs-vswitchd runs. */
3150 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
3151 eth_addr_mark_random(br
->default_ea
);
3153 hmap_init(&br
->ports
);
3154 hmap_init(&br
->ifaces
);
3155 hmap_init(&br
->iface_by_name
);
3156 hmap_init(&br
->mirrors
);
3158 hmap_init(&br
->mappings
);
3159 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
3163 bridge_destroy(struct bridge
*br
)
3166 struct mirror
*mirror
, *next_mirror
;
3167 struct port
*port
, *next_port
;
3169 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
3172 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
3173 mirror_destroy(mirror
);
3176 hmap_remove(&all_bridges
, &br
->node
);
3177 ofproto_destroy(br
->ofproto
);
3178 hmap_destroy(&br
->ifaces
);
3179 hmap_destroy(&br
->ports
);
3180 hmap_destroy(&br
->iface_by_name
);
3181 hmap_destroy(&br
->mirrors
);
3182 hmap_destroy(&br
->mappings
);
3189 static struct bridge
*
3190 bridge_lookup(const char *name
)
3194 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
3195 if (!strcmp(br
->name
, name
)) {
3202 /* Handle requests for a listing of all flows known by the OpenFlow
3203 * stack, including those normally hidden. */
3205 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
3206 const char *argv
[], void *aux OVS_UNUSED
)
3211 br
= bridge_lookup(argv
[1]);
3213 unixctl_command_reply_error(conn
, "Unknown bridge");
3218 ofproto_get_all_flows(br
->ofproto
, &results
);
3220 unixctl_command_reply(conn
, ds_cstr(&results
));
3221 ds_destroy(&results
);
3224 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
3225 * connections and reconnect. If BRIDGE is not specified, then all bridges
3226 * drop their controller connections and reconnect. */
3228 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
3229 const char *argv
[], void *aux OVS_UNUSED
)
3233 br
= bridge_lookup(argv
[1]);
3235 unixctl_command_reply_error(conn
, "Unknown bridge");
3238 ofproto_reconnect_controllers(br
->ofproto
);
3240 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3241 ofproto_reconnect_controllers(br
->ofproto
);
3244 unixctl_command_reply(conn
, NULL
);
3248 bridge_get_controllers(const struct bridge
*br
,
3249 struct ovsrec_controller
***controllersp
)
3251 struct ovsrec_controller
**controllers
;
3252 size_t n_controllers
;
3254 controllers
= br
->cfg
->controller
;
3255 n_controllers
= br
->cfg
->n_controller
;
3257 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
3263 *controllersp
= controllers
;
3265 return n_controllers
;
3269 bridge_collect_wanted_ports(struct bridge
*br
,
3270 const unsigned long int *splinter_vlans
,
3271 struct shash
*wanted_ports
)
3275 shash_init(wanted_ports
);
3277 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
3278 const char *name
= br
->cfg
->ports
[i
]->name
;
3279 if (!shash_add_once(wanted_ports
, name
, br
->cfg
->ports
[i
])) {
3280 VLOG_WARN("bridge %s: %s specified twice as bridge port",
3284 if (bridge_get_controllers(br
, NULL
)
3285 && !shash_find(wanted_ports
, br
->name
)) {
3286 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
3287 br
->name
, br
->name
);
3289 ovsrec_interface_init(&br
->synth_local_iface
);
3290 ovsrec_port_init(&br
->synth_local_port
);
3292 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
3293 br
->synth_local_port
.n_interfaces
= 1;
3294 br
->synth_local_port
.name
= br
->name
;
3296 br
->synth_local_iface
.name
= br
->name
;
3297 br
->synth_local_iface
.type
= "internal";
3299 br
->synth_local_ifacep
= &br
->synth_local_iface
;
3301 shash_add(wanted_ports
, br
->name
, &br
->synth_local_port
);
3304 if (splinter_vlans
) {
3305 add_vlan_splinter_ports(br
, splinter_vlans
, wanted_ports
);
3309 /* Deletes "struct port"s and "struct iface"s under 'br' which aren't
3310 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
3311 * 'br' needs to complete its configuration. */
3313 bridge_del_ports(struct bridge
*br
, const struct shash
*wanted_ports
)
3315 struct shash_node
*port_node
;
3316 struct port
*port
, *next
;
3318 /* Get rid of deleted ports.
3319 * Get rid of deleted interfaces on ports that still exist. */
3320 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
3321 port
->cfg
= shash_find_data(wanted_ports
, port
->name
);
3325 port_del_ifaces(port
);
3329 /* Update iface->cfg and iface->type in interfaces that still exist. */
3330 SHASH_FOR_EACH (port_node
, wanted_ports
) {
3331 const struct ovsrec_port
*port
= port_node
->data
;
3334 for (i
= 0; i
< port
->n_interfaces
; i
++) {
3335 const struct ovsrec_interface
*cfg
= port
->interfaces
[i
];
3336 struct iface
*iface
= iface_lookup(br
, cfg
->name
);
3337 const char *type
= iface_get_type(cfg
, br
->cfg
);
3342 } else if (!strcmp(type
, "null")) {
3343 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
3344 " may be removed in February 2013. Please email"
3345 " dev@openvswitch.org with concerns.",
3348 /* We will add new interfaces later. */
3354 /* Initializes 'oc' appropriately as a management service controller for
3357 * The caller must free oc->target when it is no longer needed. */
3359 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
3360 struct ofproto_controller
*oc
)
3362 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
3363 oc
->max_backoff
= 0;
3364 oc
->probe_interval
= 60;
3365 oc
->band
= OFPROTO_OUT_OF_BAND
;
3367 oc
->burst_limit
= 0;
3368 oc
->enable_async_msgs
= true;
3372 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
3374 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
3375 struct ofproto_controller
*oc
)
3379 oc
->target
= c
->target
;
3380 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
3381 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
3382 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
3383 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
3384 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
3385 oc
->burst_limit
= (c
->controller_burst_limit
3386 ? *c
->controller_burst_limit
: 0);
3387 oc
->enable_async_msgs
= (!c
->enable_async_messages
3388 || *c
->enable_async_messages
);
3389 dscp
= smap_get_int(&c
->other_config
, "dscp", DSCP_DEFAULT
);
3390 if (dscp
< 0 || dscp
> 63) {
3391 dscp
= DSCP_DEFAULT
;
3396 /* Configures the IP stack for 'br''s local interface properly according to the
3397 * configuration in 'c'. */
3399 bridge_configure_local_iface_netdev(struct bridge
*br
,
3400 struct ovsrec_controller
*c
)
3402 struct netdev
*netdev
;
3403 struct in_addr mask
, gateway
;
3405 struct iface
*local_iface
;
3408 /* If there's no local interface or no IP address, give up. */
3409 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
3410 if (!local_iface
|| !c
->local_ip
3411 || !inet_pton(AF_INET
, c
->local_ip
, &ip
)) {
3415 /* Bring up the local interface. */
3416 netdev
= local_iface
->netdev
;
3417 netdev_turn_flags_on(netdev
, NETDEV_UP
, NULL
);
3419 /* Configure the IP address and netmask. */
3420 if (!c
->local_netmask
3421 || !inet_pton(AF_INET
, c
->local_netmask
, &mask
)
3423 mask
.s_addr
= guess_netmask(ip
.s_addr
);
3425 if (!netdev_set_in4(netdev
, ip
, mask
)) {
3426 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
3427 br
->name
, IP_ARGS(ip
.s_addr
), IP_ARGS(mask
.s_addr
));
3430 /* Configure the default gateway. */
3431 if (c
->local_gateway
3432 && inet_pton(AF_INET
, c
->local_gateway
, &gateway
)
3433 && gateway
.s_addr
) {
3434 if (!netdev_add_router(netdev
, gateway
)) {
3435 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
3436 br
->name
, IP_ARGS(gateway
.s_addr
));
3441 /* Returns true if 'a' and 'b' are the same except that any number of slashes
3442 * in either string are treated as equal to any number of slashes in the other,
3443 * e.g. "x///y" is equal to "x/y".
3445 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
3446 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
3447 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
3448 * 'b' against a prefix of 'a'.
3451 equal_pathnames(const char *a
, const char *b
, size_t b_stoplen
)
3453 const char *b_start
= b
;
3455 if (b
- b_start
>= b_stoplen
) {
3457 } else if (*a
!= *b
) {
3459 } else if (*a
== '/') {
3460 a
+= strspn(a
, "/");
3461 b
+= strspn(b
, "/");
3462 } else if (*a
== '\0') {
3472 bridge_configure_remotes(struct bridge
*br
,
3473 const struct sockaddr_in
*managers
, size_t n_managers
)
3475 bool disable_in_band
;
3477 struct ovsrec_controller
**controllers
;
3478 size_t n_controllers
;
3480 enum ofproto_fail_mode fail_mode
;
3482 struct ofproto_controller
*ocs
;
3486 /* Check if we should disable in-band control on this bridge. */
3487 disable_in_band
= smap_get_bool(&br
->cfg
->other_config
, "disable-in-band",
3490 /* Set OpenFlow queue ID for in-band control. */
3491 ofproto_set_in_band_queue(br
->ofproto
,
3492 smap_get_int(&br
->cfg
->other_config
,
3493 "in-band-queue", -1));
3495 if (disable_in_band
) {
3496 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
3498 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
3501 n_controllers
= bridge_get_controllers(br
, &controllers
);
3503 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
3506 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
3507 for (i
= 0; i
< n_controllers
; i
++) {
3508 struct ovsrec_controller
*c
= controllers
[i
];
3510 if (!strncmp(c
->target
, "punix:", 6)
3511 || !strncmp(c
->target
, "unix:", 5)) {
3512 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3515 if (!strncmp(c
->target
, "unix:", 5)) {
3516 /* Connect to a listening socket */
3517 whitelist
= xasprintf("unix:%s/", ovs_rundir());
3518 if (strchr(c
->target
, '/') &&
3519 !equal_pathnames(c
->target
, whitelist
,
3520 strlen(whitelist
))) {
3521 /* Absolute path specified, but not in ovs_rundir */
3522 VLOG_ERR_RL(&rl
, "bridge %s: Not connecting to socket "
3523 "controller \"%s\" due to possibility for "
3524 "remote exploit. Instead, specify socket "
3525 "in whitelisted \"%s\" or connect to "
3526 "\"unix:%s/%s.mgmt\" (which is always "
3527 "available without special configuration).",
3528 br
->name
, c
->target
, whitelist
,
3529 ovs_rundir(), br
->name
);
3534 whitelist
= xasprintf("punix:%s/%s.controller",
3535 ovs_rundir(), br
->name
);
3536 if (!equal_pathnames(c
->target
, whitelist
, SIZE_MAX
)) {
3537 /* Prevent remote ovsdb-server users from accessing
3538 * arbitrary Unix domain sockets and overwriting arbitrary
3540 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
3541 "controller \"%s\" due to possibility of "
3542 "overwriting local files. Instead, specify "
3543 "whitelisted \"%s\" or connect to "
3544 "\"unix:%s/%s.mgmt\" (which is always "
3545 "available without special configuration).",
3546 br
->name
, c
->target
, whitelist
,
3547 ovs_rundir(), br
->name
);
3556 bridge_configure_local_iface_netdev(br
, c
);
3557 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
3558 if (disable_in_band
) {
3559 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
3564 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
,
3565 bridge_get_allowed_versions(br
));
3566 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
3569 /* Set the fail-mode. */
3570 fail_mode
= !br
->cfg
->fail_mode
3571 || !strcmp(br
->cfg
->fail_mode
, "standalone")
3572 ? OFPROTO_FAIL_STANDALONE
3573 : OFPROTO_FAIL_SECURE
;
3574 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
3576 /* Configure OpenFlow controller connection snooping. */
3577 if (!ofproto_has_snoops(br
->ofproto
)) {
3581 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
3582 ovs_rundir(), br
->name
));
3583 ofproto_set_snoops(br
->ofproto
, &snoops
);
3584 sset_destroy(&snoops
);
3589 bridge_configure_tables(struct bridge
*br
)
3591 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
3595 n_tables
= ofproto_get_n_tables(br
->ofproto
);
3597 for (i
= 0; i
< n_tables
; i
++) {
3598 struct ofproto_table_settings s
;
3599 bool use_default_prefixes
= true;
3602 s
.max_flows
= UINT_MAX
;
3605 s
.n_prefix_fields
= 0;
3606 memset(s
.prefix_fields
, ~0, sizeof(s
.prefix_fields
));
3608 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
3609 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
3612 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
3613 s
.max_flows
= *cfg
->flow_limit
;
3615 if (cfg
->overflow_policy
3616 && !strcmp(cfg
->overflow_policy
, "evict")) {
3618 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
3619 for (k
= 0; k
< cfg
->n_groups
; k
++) {
3620 const char *string
= cfg
->groups
[k
];
3623 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
3625 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
3626 "'groups' (%s)", br
->name
, i
, msg
);
3628 } else if (*string
) {
3629 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
3630 "element '%s' contains trailing garbage",
3631 br
->name
, i
, cfg
->groups
[k
]);
3637 /* Prefix lookup fields. */
3638 s
.n_prefix_fields
= 0;
3639 for (k
= 0; k
< cfg
->n_prefixes
; k
++) {
3640 const char *name
= cfg
->prefixes
[k
];
3641 const struct mf_field
*mf
;
3643 if (strcmp(name
, "none") == 0) {
3644 use_default_prefixes
= false;
3645 s
.n_prefix_fields
= 0;
3648 mf
= mf_from_name(name
);
3650 VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s",
3654 if (mf
->flow_be32ofs
< 0 || mf
->n_bits
% 32) {
3655 VLOG_WARN("bridge %s: 'prefixes' with incompatible field: "
3656 "%s", br
->name
, name
);
3659 if (s
.n_prefix_fields
>= ARRAY_SIZE(s
.prefix_fields
)) {
3660 VLOG_WARN("bridge %s: 'prefixes' with too many fields, "
3661 "field not used: %s", br
->name
, name
);
3664 use_default_prefixes
= false;
3665 s
.prefix_fields
[s
.n_prefix_fields
++] = mf
->id
;
3668 if (use_default_prefixes
) {
3669 /* Use default values. */
3670 s
.n_prefix_fields
= ARRAY_SIZE(default_prefix_fields
);
3671 memcpy(s
.prefix_fields
, default_prefix_fields
,
3672 sizeof default_prefix_fields
);
3675 struct ds ds
= DS_EMPTY_INITIALIZER
;
3676 for (k
= 0; k
< s
.n_prefix_fields
; k
++) {
3678 ds_put_char(&ds
, ',');
3680 ds_put_cstr(&ds
, mf_from_id(s
.prefix_fields
[k
])->name
);
3682 if (s
.n_prefix_fields
== 0) {
3683 ds_put_cstr(&ds
, "none");
3685 VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.",
3686 br
->name
, i
, ds_cstr(&ds
));
3690 ofproto_configure_table(br
->ofproto
, i
, &s
);
3694 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
3695 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
3696 "%"PRId64
" not supported by this datapath", br
->name
,
3697 br
->cfg
->key_flow_tables
[j
]);
3702 bridge_configure_dp_desc(struct bridge
*br
)
3704 ofproto_set_dp_desc(br
->ofproto
,
3705 smap_get(&br
->cfg
->other_config
, "dp-desc"));
3708 static struct aa_mapping
*
3709 bridge_aa_mapping_find(struct bridge
*br
, const int64_t isid
)
3711 struct aa_mapping
*m
;
3713 HMAP_FOR_EACH_IN_BUCKET (m
,
3715 hash_bytes(&isid
, sizeof isid
, 0),
3717 if (isid
== m
->isid
) {
3724 static struct aa_mapping
*
3725 bridge_aa_mapping_create(struct bridge
*br
,
3729 struct aa_mapping
*m
;
3731 m
= xzalloc(sizeof *m
);
3735 m
->br_name
= xstrdup(br
->name
);
3736 hmap_insert(&br
->mappings
,
3738 hash_bytes(&isid
, sizeof isid
, 0));
3744 bridge_aa_mapping_destroy(struct aa_mapping
*m
)
3747 struct bridge
*br
= m
->bridge
;
3750 ofproto_aa_mapping_unregister(br
->ofproto
, m
);
3753 hmap_remove(&br
->mappings
, &m
->hmap_node
);
3762 bridge_aa_mapping_configure(struct aa_mapping
*m
)
3764 struct aa_mapping_settings s
;
3770 ofproto_aa_mapping_register(m
->bridge
->ofproto
, m
, &s
);
3776 bridge_configure_aa(struct bridge
*br
)
3778 const struct ovsdb_datum
*mc
;
3779 struct ovsrec_autoattach
*auto_attach
= br
->cfg
->auto_attach
;
3780 struct aa_settings aa_s
;
3781 struct aa_mapping
*m
, *next
;
3785 ofproto_set_aa(br
->ofproto
, NULL
, NULL
);
3789 memset(&aa_s
, 0, sizeof aa_s
);
3790 aa_s
.system_description
= auto_attach
->system_description
;
3791 aa_s
.system_name
= auto_attach
->system_name
;
3792 ofproto_set_aa(br
->ofproto
, NULL
, &aa_s
);
3794 mc
= ovsrec_autoattach_get_mappings(auto_attach
,
3796 OVSDB_TYPE_INTEGER
);
3797 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mappings
) {
3798 union ovsdb_atom atom
;
3800 atom
.integer
= m
->isid
;
3801 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3802 VLOG_INFO("Deleting isid=%"PRIu32
", vlan=%"PRIu16
,
3804 bridge_aa_mapping_destroy(m
);
3808 /* Add new mappings and reconfigure existing ones. */
3809 for (i
= 0; i
< auto_attach
->n_mappings
; ++i
) {
3810 struct aa_mapping
*m
=
3811 bridge_aa_mapping_find(br
, auto_attach
->key_mappings
[i
]);
3814 VLOG_INFO("Adding isid=%"PRId64
", vlan=%"PRId64
,
3815 auto_attach
->key_mappings
[i
],
3816 auto_attach
->value_mappings
[i
]);
3817 m
= bridge_aa_mapping_create(br
,
3818 auto_attach
->key_mappings
[i
],
3819 auto_attach
->value_mappings
[i
]);
3821 if (!bridge_aa_mapping_configure(m
)) {
3822 bridge_aa_mapping_destroy(m
);
3829 bridge_aa_need_refresh(struct bridge
*br
)
3831 return ofproto_aa_vlan_get_queue_size(br
->ofproto
) > 0;
3835 bridge_aa_update_trunks(struct port
*port
, struct bridge_aa_vlan
*m
)
3837 int64_t *trunks
= NULL
;
3839 bool found
= false, reconfigure
= false;
3841 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3842 if (port
->cfg
->trunks
[i
] == m
->vlan
) {
3849 case BRIDGE_AA_VLAN_OPER_ADD
:
3851 trunks
= xmalloc(sizeof *trunks
* (port
->cfg
->n_trunks
+ 1));
3853 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3854 trunks
[i
] = port
->cfg
->trunks
[i
];
3856 trunks
[i
++] = m
->vlan
;
3862 case BRIDGE_AA_VLAN_OPER_REMOVE
:
3866 trunks
= xmalloc(sizeof *trunks
* (port
->cfg
->n_trunks
- 1));
3868 for (i
= 0; i
< port
->cfg
->n_trunks
; i
++) {
3869 if (port
->cfg
->trunks
[i
] != m
->vlan
) {
3870 trunks
[j
++] = port
->cfg
->trunks
[i
];
3879 case BRIDGE_AA_VLAN_OPER_UNDEF
:
3881 VLOG_WARN("unrecognized operation %u", m
->oper
);
3886 /* VLAN switching under trunk mode cause the trunk port to switch all
3887 * VLANs, see ovs-vswitchd.conf.db
3890 static char *vlan_mode_access
= "access";
3891 ovsrec_port_set_vlan_mode(port
->cfg
, vlan_mode_access
);
3895 static char *vlan_mode_trunk
= "trunk";
3896 ovsrec_port_set_vlan_mode(port
->cfg
, vlan_mode_trunk
);
3899 ovsrec_port_set_trunks(port
->cfg
, trunks
, i
);
3901 /* Force reconfigure of the port. */
3902 port_configure(port
);
3907 bridge_aa_refresh_queued(struct bridge
*br
)
3909 struct ovs_list
*list
= xmalloc(sizeof *list
);
3910 struct bridge_aa_vlan
*node
;
3913 ofproto_aa_vlan_get_queued(br
->ofproto
, list
);
3915 LIST_FOR_EACH(node
, list_node
, list
) {
3918 VLOG_INFO("ifname=%s, vlan=%u, oper=%u", node
->port_name
, node
->vlan
,
3921 port
= port_lookup(br
, node
->port_name
);
3923 bridge_aa_update_trunks(port
, node
);
3926 list_remove(&node
->list_node
);
3927 free(node
->port_name
);
3935 /* Port functions. */
3937 static struct port
*
3938 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
3942 port
= xzalloc(sizeof *port
);
3944 port
->name
= xstrdup(cfg
->name
);
3946 list_init(&port
->ifaces
);
3948 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
3952 /* Deletes interfaces from 'port' that are no longer configured for it. */
3954 port_del_ifaces(struct port
*port
)
3956 struct iface
*iface
, *next
;
3957 struct sset new_ifaces
;
3960 /* Collect list of new interfaces. */
3961 sset_init(&new_ifaces
);
3962 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
3963 const char *name
= port
->cfg
->interfaces
[i
]->name
;
3964 const char *type
= port
->cfg
->interfaces
[i
]->type
;
3965 if (strcmp(type
, "null")) {
3966 sset_add(&new_ifaces
, name
);
3970 /* Get rid of deleted interfaces. */
3971 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3972 if (!sset_contains(&new_ifaces
, iface
->name
)) {
3973 iface_destroy(iface
);
3977 sset_destroy(&new_ifaces
);
3981 port_destroy(struct port
*port
)
3984 struct bridge
*br
= port
->bridge
;
3985 struct iface
*iface
, *next
;
3988 ofproto_bundle_unregister(br
->ofproto
, port
);
3991 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
3992 iface_destroy__(iface
);
3995 hmap_remove(&br
->ports
, &port
->hmap_node
);
4001 static struct port
*
4002 port_lookup(const struct bridge
*br
, const char *name
)
4006 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
4008 if (!strcmp(port
->name
, name
)) {
4016 enable_lacp(struct port
*port
, bool *activep
)
4018 if (!port
->cfg
->lacp
) {
4019 /* XXX when LACP implementation has been sufficiently tested, enable by
4020 * default and make active on bonded ports. */
4022 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
4024 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
4027 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
4031 VLOG_WARN("port %s: unknown LACP mode %s",
4032 port
->name
, port
->cfg
->lacp
);
4037 static struct lacp_settings
*
4038 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
4040 const char *lacp_time
, *system_id
;
4043 if (!enable_lacp(port
, &s
->active
)) {
4047 s
->name
= port
->name
;
4049 system_id
= smap_get(&port
->cfg
->other_config
, "lacp-system-id");
4051 if (!ovs_scan(system_id
, ETH_ADDR_SCAN_FMT
,
4052 ETH_ADDR_SCAN_ARGS(s
->id
))) {
4053 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
4054 " address.", port
->name
, system_id
);
4058 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
4061 if (eth_addr_is_zero(s
->id
)) {
4062 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
4066 /* Prefer bondable links if unspecified. */
4067 priority
= smap_get_int(&port
->cfg
->other_config
, "lacp-system-priority",
4069 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
4071 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
4073 lacp_time
= smap_get(&port
->cfg
->other_config
, "lacp-time");
4074 s
->fast
= lacp_time
&& !strcasecmp(lacp_time
, "fast");
4076 s
->fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
4077 "lacp-fallback-ab", false);
4083 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
4085 int priority
, portid
, key
;
4087 portid
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-id", 0);
4088 priority
= smap_get_int(&iface
->cfg
->other_config
, "lacp-port-priority",
4090 key
= smap_get_int(&iface
->cfg
->other_config
, "lacp-aggregation-key", 0);
4092 if (portid
<= 0 || portid
> UINT16_MAX
) {
4093 portid
= ofp_to_u16(iface
->ofp_port
);
4096 if (priority
<= 0 || priority
> UINT16_MAX
) {
4097 priority
= UINT16_MAX
;
4100 if (key
< 0 || key
> UINT16_MAX
) {
4104 s
->name
= iface
->name
;
4106 s
->priority
= priority
;
4111 port_configure_bond(struct port
*port
, struct bond_settings
*s
)
4113 const char *detect_s
;
4114 struct iface
*iface
;
4116 int miimon_interval
;
4118 s
->name
= port
->name
;
4120 if (port
->cfg
->bond_mode
) {
4121 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
4122 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
4123 port
->name
, port
->cfg
->bond_mode
,
4124 bond_mode_to_string(s
->balance
));
4127 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
4129 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
4130 * active-backup. At some point we should remove this warning. */
4131 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
4132 " in previous versions, the default bond_mode was"
4133 " balance-slb", port
->name
,
4134 bond_mode_to_string(s
->balance
));
4136 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
4137 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
4138 "please use another bond type or disable flood_vlans",
4142 miimon_interval
= smap_get_int(&port
->cfg
->other_config
,
4143 "bond-miimon-interval", 0);
4144 if (miimon_interval
<= 0) {
4145 miimon_interval
= 200;
4148 detect_s
= smap_get(&port
->cfg
->other_config
, "bond-detect-mode");
4149 if (!detect_s
|| !strcmp(detect_s
, "carrier")) {
4150 miimon_interval
= 0;
4151 } else if (strcmp(detect_s
, "miimon")) {
4152 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
4153 "defaulting to carrier", port
->name
, detect_s
);
4154 miimon_interval
= 0;
4157 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
4158 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
4159 s
->basis
= smap_get_int(&port
->cfg
->other_config
, "bond-hash-basis", 0);
4160 s
->rebalance_interval
= smap_get_int(&port
->cfg
->other_config
,
4161 "bond-rebalance-interval", 10000);
4162 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
4163 s
->rebalance_interval
= 1000;
4166 s
->lacp_fallback_ab_cfg
= smap_get_bool(&port
->cfg
->other_config
,
4167 "lacp-fallback-ab", false);
4169 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
4170 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
4173 mac_s
= port
->cfg
->bond_active_slave
;
4174 if (!mac_s
|| !ovs_scan(mac_s
, ETH_ADDR_SCAN_FMT
,
4175 ETH_ADDR_SCAN_ARGS(s
->active_slave_mac
))) {
4176 /* OVSDB did not store the last active interface */
4177 memset(s
->active_slave_mac
, 0, sizeof(s
->active_slave_mac
));
4181 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
4182 * instead of obtaining it from the database. */
4184 port_is_synthetic(const struct port
*port
)
4186 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
4189 /* Interface functions. */
4192 iface_is_internal(const struct ovsrec_interface
*iface
,
4193 const struct ovsrec_bridge
*br
)
4195 /* The local port and "internal" ports are always "internal". */
4196 return !strcmp(iface
->type
, "internal") || !strcmp(iface
->name
, br
->name
);
4199 /* Returns the correct network device type for interface 'iface' in bridge
4202 iface_get_type(const struct ovsrec_interface
*iface
,
4203 const struct ovsrec_bridge
*br
)
4207 /* The local port always has type "internal". Other ports take
4208 * their type from the database and default to "system" if none is
4210 if (iface_is_internal(iface
, br
)) {
4213 type
= iface
->type
[0] ? iface
->type
: "system";
4216 return ofproto_port_open_type(br
->datapath_type
, type
);
4220 iface_destroy__(struct iface
*iface
)
4223 struct port
*port
= iface
->port
;
4224 struct bridge
*br
= port
->bridge
;
4226 if (br
->ofproto
&& iface
->ofp_port
!= OFPP_NONE
) {
4227 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
4230 if (iface
->ofp_port
!= OFPP_NONE
) {
4231 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
4234 list_remove(&iface
->port_elem
);
4235 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
4237 /* The user is changing configuration here, so netdev_remove needs to be
4238 * used as opposed to netdev_close */
4239 netdev_remove(iface
->netdev
);
4247 iface_destroy(struct iface
*iface
)
4250 struct port
*port
= iface
->port
;
4252 iface_destroy__(iface
);
4253 if (list_is_empty(&port
->ifaces
)) {
4259 static struct iface
*
4260 iface_lookup(const struct bridge
*br
, const char *name
)
4262 struct iface
*iface
;
4264 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
4265 &br
->iface_by_name
) {
4266 if (!strcmp(iface
->name
, name
)) {
4274 static struct iface
*
4275 iface_find(const char *name
)
4277 const struct bridge
*br
;
4279 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4280 struct iface
*iface
= iface_lookup(br
, name
);
4289 static struct iface
*
4290 iface_from_ofp_port(const struct bridge
*br
, ofp_port_t ofp_port
)
4292 struct iface
*iface
;
4294 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
, hash_ofp_port(ofp_port
),
4296 if (iface
->ofp_port
== ofp_port
) {
4303 /* Set Ethernet address of 'iface', if one is specified in the configuration
4306 iface_set_mac(const struct bridge
*br
, const struct port
*port
, struct iface
*iface
)
4308 uint8_t ea
[ETH_ADDR_LEN
], *mac
= NULL
;
4309 struct iface
*hw_addr_iface
;
4311 if (strcmp(iface
->type
, "internal")) {
4315 if (iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
4317 } else if (port
->cfg
->fake_bridge
) {
4318 /* Fake bridge and no MAC set in the configuration. Pick a local one. */
4319 find_local_hw_addr(br
, ea
, port
, &hw_addr_iface
);
4324 if (iface
->ofp_port
== OFPP_LOCAL
) {
4325 VLOG_ERR("interface %s: ignoring mac in Interface record "
4326 "(use Bridge record to set local port's mac)",
4328 } else if (eth_addr_is_multicast(mac
)) {
4329 VLOG_ERR("interface %s: cannot set MAC to multicast address",
4332 int error
= netdev_set_etheraddr(iface
->netdev
, mac
);
4334 VLOG_ERR("interface %s: setting MAC failed (%s)",
4335 iface
->name
, ovs_strerror(error
));
4341 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
4343 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, ofp_port_t ofport
)
4345 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
4346 int64_t port
= ofport
== OFPP_NONE
? -1 : ofp_to_u16(ofport
);
4347 ovsrec_interface_set_ofport(if_cfg
, &port
, 1);
4351 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
4352 * sets the "ofport" field to -1.
4354 * This is appropriate when 'if_cfg''s interface cannot be created or is
4355 * otherwise invalid. */
4357 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
, char *errp
)
4359 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
4360 iface_set_ofport(if_cfg
, OFPP_NONE
);
4361 ovsrec_interface_set_error(if_cfg
, errp
);
4362 ovsrec_interface_set_status(if_cfg
, NULL
);
4363 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
4364 ovsrec_interface_set_duplex(if_cfg
, NULL
);
4365 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
4366 ovsrec_interface_set_link_state(if_cfg
, NULL
);
4367 ovsrec_interface_set_mac_in_use(if_cfg
, NULL
);
4368 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
4369 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
4370 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
4371 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
4372 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
4373 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
4374 ovsrec_interface_set_ifindex(if_cfg
, NULL
, 0);
4379 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
4381 union ovsdb_atom atom
;
4383 atom
.integer
= target
;
4384 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
4388 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
4390 struct ofpbuf queues_buf
;
4392 ofpbuf_init(&queues_buf
, 0);
4394 if (!qos
|| qos
->type
[0] == '\0') {
4395 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
4397 const struct ovsdb_datum
*queues
;
4398 struct netdev_queue_dump dump
;
4399 unsigned int queue_id
;
4400 struct smap details
;
4404 /* Configure top-level Qos for 'iface'. */
4405 netdev_set_qos(iface
->netdev
, qos
->type
, &qos
->other_config
);
4407 /* Deconfigure queues that were deleted. */
4408 queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
4410 smap_init(&details
);
4411 NETDEV_QUEUE_FOR_EACH (&queue_id
, &details
, &dump
, iface
->netdev
) {
4412 if (!queue_ids_include(queues
, queue_id
)) {
4413 netdev_delete_queue(iface
->netdev
, queue_id
);
4416 smap_destroy(&details
);
4418 /* Configure queues for 'iface'. */
4420 for (i
= 0; i
< qos
->n_queues
; i
++) {
4421 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
4422 unsigned int queue_id
= qos
->key_queues
[i
];
4424 if (queue_id
== 0) {
4428 if (queue
->n_dscp
== 1) {
4429 struct ofproto_port_queue
*port_queue
;
4431 port_queue
= ofpbuf_put_uninit(&queues_buf
,
4432 sizeof *port_queue
);
4433 port_queue
->queue
= queue_id
;
4434 port_queue
->dscp
= queue
->dscp
[0];
4437 netdev_set_queue(iface
->netdev
, queue_id
, &queue
->other_config
);
4440 struct smap details
;
4442 smap_init(&details
);
4443 netdev_set_queue(iface
->netdev
, 0, &details
);
4444 smap_destroy(&details
);
4448 if (iface
->ofp_port
!= OFPP_NONE
) {
4449 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
4450 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
4452 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
4453 port_queues
, n_queues
);
4456 netdev_set_policing(iface
->netdev
,
4457 MIN(UINT32_MAX
, iface
->cfg
->ingress_policing_rate
),
4458 MIN(UINT32_MAX
, iface
->cfg
->ingress_policing_burst
));
4460 ofpbuf_uninit(&queues_buf
);
4464 iface_configure_cfm(struct iface
*iface
)
4466 const struct ovsrec_interface
*cfg
= iface
->cfg
;
4467 const char *opstate_str
;
4468 const char *cfm_ccm_vlan
;
4469 struct cfm_settings s
;
4470 struct smap netdev_args
;
4472 if (!cfg
->n_cfm_mpid
) {
4473 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
4477 s
.check_tnl_key
= false;
4478 smap_init(&netdev_args
);
4479 if (!netdev_get_config(iface
->netdev
, &netdev_args
)) {
4480 const char *key
= smap_get(&netdev_args
, "key");
4481 const char *in_key
= smap_get(&netdev_args
, "in_key");
4483 s
.check_tnl_key
= (key
&& !strcmp(key
, "flow"))
4484 || (in_key
&& !strcmp(in_key
, "flow"));
4486 smap_destroy(&netdev_args
);
4488 s
.mpid
= *cfg
->cfm_mpid
;
4489 s
.interval
= smap_get_int(&iface
->cfg
->other_config
, "cfm_interval", 0);
4490 cfm_ccm_vlan
= smap_get(&iface
->cfg
->other_config
, "cfm_ccm_vlan");
4491 s
.ccm_pcp
= smap_get_int(&iface
->cfg
->other_config
, "cfm_ccm_pcp", 0);
4493 if (s
.interval
<= 0) {
4497 if (!cfm_ccm_vlan
) {
4499 } else if (!strcasecmp("random", cfm_ccm_vlan
)) {
4500 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
4502 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
4503 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
4508 s
.extended
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_extended",
4510 s
.demand
= smap_get_bool(&iface
->cfg
->other_config
, "cfm_demand", false);
4512 opstate_str
= smap_get(&iface
->cfg
->other_config
, "cfm_opstate");
4513 s
.opup
= !opstate_str
|| !strcasecmp("up", opstate_str
);
4515 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
4518 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
4519 * instead of obtaining it from the database. */
4521 iface_is_synthetic(const struct iface
*iface
)
4523 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
4527 iface_validate_ofport__(size_t n
, int64_t *ofport
)
4529 return (n
&& *ofport
>= 1 && *ofport
< ofp_to_u16(OFPP_MAX
)
4530 ? u16_to_ofp(*ofport
)
4535 iface_get_requested_ofp_port(const struct ovsrec_interface
*cfg
)
4537 return iface_validate_ofport__(cfg
->n_ofport_request
, cfg
->ofport_request
);
4541 iface_pick_ofport(const struct ovsrec_interface
*cfg
)
4543 ofp_port_t requested_ofport
= iface_get_requested_ofp_port(cfg
);
4544 return (requested_ofport
!= OFPP_NONE
4546 : iface_validate_ofport__(cfg
->n_ofport
, cfg
->ofport
));
4549 /* Port mirroring. */
4551 static struct mirror
*
4552 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
4556 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
4557 if (uuid_equals(uuid
, &m
->uuid
)) {
4565 bridge_configure_mirrors(struct bridge
*br
)
4567 const struct ovsdb_datum
*mc
;
4568 unsigned long *flood_vlans
;
4569 struct mirror
*m
, *next
;
4572 /* Get rid of deleted mirrors. */
4573 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
4574 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
4575 union ovsdb_atom atom
;
4577 atom
.uuid
= m
->uuid
;
4578 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
4583 /* Add new mirrors and reconfigure existing ones. */
4584 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
4585 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
4586 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
4588 m
= mirror_create(br
, cfg
);
4591 if (!mirror_configure(m
)) {
4596 /* Update flooded vlans (for RSPAN). */
4597 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
4598 br
->cfg
->n_flood_vlans
);
4599 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
4600 bitmap_free(flood_vlans
);
4603 static struct mirror
*
4604 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
4608 m
= xzalloc(sizeof *m
);
4609 m
->uuid
= cfg
->header_
.uuid
;
4610 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
4612 m
->name
= xstrdup(cfg
->name
);
4618 mirror_destroy(struct mirror
*m
)
4621 struct bridge
*br
= m
->bridge
;
4624 ofproto_mirror_unregister(br
->ofproto
, m
);
4627 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
4634 mirror_collect_ports(struct mirror
*m
,
4635 struct ovsrec_port
**in_ports
, int n_in_ports
,
4636 void ***out_portsp
, size_t *n_out_portsp
)
4638 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
4639 size_t n_out_ports
= 0;
4642 for (i
= 0; i
< n_in_ports
; i
++) {
4643 const char *name
= in_ports
[i
]->name
;
4644 struct port
*port
= port_lookup(m
->bridge
, name
);
4646 out_ports
[n_out_ports
++] = port
;
4648 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
4649 "port %s", m
->bridge
->name
, m
->name
, name
);
4652 *out_portsp
= out_ports
;
4653 *n_out_portsp
= n_out_ports
;
4657 mirror_configure(struct mirror
*m
)
4659 const struct ovsrec_mirror
*cfg
= m
->cfg
;
4660 struct ofproto_mirror_settings s
;
4663 if (strcmp(cfg
->name
, m
->name
)) {
4665 m
->name
= xstrdup(cfg
->name
);
4669 /* Get output port or VLAN. */
4670 if (cfg
->output_port
) {
4671 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
4672 if (!s
.out_bundle
) {
4673 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
4674 m
->bridge
->name
, m
->name
);
4677 s
.out_vlan
= UINT16_MAX
;
4679 if (cfg
->output_vlan
) {
4680 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
4681 "output vlan; ignoring output vlan",
4682 m
->bridge
->name
, m
->name
);
4684 } else if (cfg
->output_vlan
) {
4685 /* The database should prevent invalid VLAN values. */
4686 s
.out_bundle
= NULL
;
4687 s
.out_vlan
= *cfg
->output_vlan
;
4689 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
4690 m
->bridge
->name
, m
->name
);
4694 /* Get port selection. */
4695 if (cfg
->select_all
) {
4696 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
4697 void **ports
= xmalloc(n_ports
* sizeof *ports
);
4702 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
4712 /* Get ports, dropping ports that don't exist.
4713 * The IDL ensures that there are no duplicates. */
4714 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
4715 &s
.srcs
, &s
.n_srcs
);
4716 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
4717 &s
.dsts
, &s
.n_dsts
);
4720 /* Get VLAN selection. */
4721 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
4724 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
4727 if (s
.srcs
!= s
.dsts
) {
4736 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
4738 * This is deprecated. It is only for compatibility with broken device drivers
4739 * in old versions of Linux that do not properly support VLANs when VLAN
4740 * devices are not used. When broken device drivers are no longer in
4741 * widespread use, we will delete these interfaces. */
4743 static struct ovsrec_port
**recs
;
4744 static size_t n_recs
, allocated_recs
;
4746 /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
4747 * splinters are reconfigured. */
4749 register_rec(struct ovsrec_port
*rec
)
4751 if (n_recs
>= allocated_recs
) {
4752 recs
= x2nrealloc(recs
, &allocated_recs
, sizeof *recs
);
4754 recs
[n_recs
++] = rec
;
4757 /* Frees all of the ports registered with register_reg(). */
4759 free_registered_recs(void)
4763 for (i
= 0; i
< n_recs
; i
++) {
4764 struct ovsrec_port
*port
= recs
[i
];
4767 for (j
= 0; j
< port
->n_interfaces
; j
++) {
4768 struct ovsrec_interface
*iface
= port
->interfaces
[j
];
4773 smap_destroy(&port
->other_config
);
4774 free(port
->interfaces
);
4782 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
4785 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
4787 return smap_get_bool(&iface_cfg
->other_config
, "enable-vlan-splinters",
4791 /* Figures out the set of VLANs that are in use for the purpose of VLAN
4794 * If VLAN splinters are enabled on at least one interface and any VLANs are in
4795 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
4796 * 4095 will not be set). The caller is responsible for freeing the bitmap,
4799 * If VLANs splinters are not enabled on any interface or if no VLANs are in
4800 * use, returns NULL.
4802 * Updates 'vlan_splinters_enabled_anywhere'. */
4803 static unsigned long int *
4804 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
4806 unsigned long int *splinter_vlans
;
4807 struct sset splinter_ifaces
;
4808 const char *real_dev_name
;
4809 struct shash
*real_devs
;
4810 struct shash_node
*node
;
4814 /* Free space allocated for synthesized ports and interfaces, since we're
4815 * in the process of reconstructing all of them. */
4816 free_registered_recs();
4818 splinter_vlans
= bitmap_allocate(4096);
4819 sset_init(&splinter_ifaces
);
4820 vlan_splinters_enabled_anywhere
= false;
4821 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
4822 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
4825 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
4826 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
4829 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
4830 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
4832 if (vlan_splinters_is_enabled(iface_cfg
)) {
4833 vlan_splinters_enabled_anywhere
= true;
4834 sset_add(&splinter_ifaces
, iface_cfg
->name
);
4835 vlan_bitmap_from_array__(port_cfg
->trunks
,
4841 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
4842 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
4847 if (!vlan_splinters_enabled_anywhere
) {
4848 free(splinter_vlans
);
4849 sset_destroy(&splinter_ifaces
);
4853 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
4855 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
4859 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
4860 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
4861 * device to be created for it. */
4862 bitmap_set0(splinter_vlans
, 0);
4863 bitmap_set0(splinter_vlans
, 4095);
4865 /* Delete all VLAN devices that we don't need. */
4867 real_devs
= vlandev_get_real_devs();
4868 SHASH_FOR_EACH (node
, real_devs
) {
4869 const struct vlan_real_dev
*real_dev
= node
->data
;
4870 const struct vlan_dev
*vlan_dev
;
4871 bool real_dev_has_splinters
;
4873 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
4875 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
4876 if (!real_dev_has_splinters
4877 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
4878 struct netdev
*netdev
;
4880 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
4881 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
4882 !netdev_get_in6(netdev
, NULL
)) {
4883 /* It has an IP address configured, so we don't own
4884 * it. Don't delete it. */
4886 vlandev_del(vlan_dev
->name
);
4888 netdev_close(netdev
);
4895 /* Add all VLAN devices that we need. */
4896 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
4899 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4900 if (!vlandev_get_name(real_dev_name
, vid
)) {
4901 vlandev_add(real_dev_name
, vid
);
4908 sset_destroy(&splinter_ifaces
);
4910 if (bitmap_scan(splinter_vlans
, 1, 0, 4096) >= 4096) {
4911 free(splinter_vlans
);
4914 return splinter_vlans
;
4917 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
4920 configure_splinter_port(struct port
*port
)
4922 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
4923 ofp_port_t realdev_ofp_port
;
4924 const char *realdev_name
;
4925 struct iface
*vlandev
, *realdev
;
4927 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
4929 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
4932 realdev_name
= smap_get(&port
->cfg
->other_config
, "realdev");
4933 realdev
= iface_lookup(port
->bridge
, realdev_name
);
4934 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
4936 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
4940 static struct ovsrec_port
*
4941 synthesize_splinter_port(const char *real_dev_name
,
4942 const char *vlan_dev_name
, int vid
)
4944 struct ovsrec_interface
*iface
;
4945 struct ovsrec_port
*port
;
4947 iface
= xmalloc(sizeof *iface
);
4948 ovsrec_interface_init(iface
);
4949 iface
->name
= xstrdup(vlan_dev_name
);
4950 iface
->type
= "system";
4952 port
= xmalloc(sizeof *port
);
4953 ovsrec_port_init(port
);
4954 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
4955 port
->n_interfaces
= 1;
4956 port
->name
= xstrdup(vlan_dev_name
);
4957 port
->vlan_mode
= "splinter";
4958 port
->tag
= xmalloc(sizeof *port
->tag
);
4961 smap_add(&port
->other_config
, "realdev", real_dev_name
);
4967 /* For each interface with 'br' that has VLAN splinters enabled, adds a
4968 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
4969 * 1-bit in the 'splinter_vlans' bitmap. */
4971 add_vlan_splinter_ports(struct bridge
*br
,
4972 const unsigned long int *splinter_vlans
,
4973 struct shash
*ports
)
4977 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
4978 * we're modifying 'ports'. */
4979 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
4980 const char *name
= br
->cfg
->ports
[i
]->name
;
4981 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
4984 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
4985 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
4987 if (vlan_splinters_is_enabled(iface_cfg
)) {
4988 const char *real_dev_name
;
4991 real_dev_name
= iface_cfg
->name
;
4992 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
4993 const char *vlan_dev_name
;
4995 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
4997 && !shash_find(ports
, vlan_dev_name
)) {
4998 shash_add(ports
, vlan_dev_name
,
4999 synthesize_splinter_port(
5000 real_dev_name
, vlan_dev_name
, vid
));
5009 mirror_refresh_stats(struct mirror
*m
)
5011 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
5012 uint64_t tx_packets
, tx_bytes
;
5013 const char *keys
[2];
5015 size_t stat_cnt
= 0;
5017 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
5018 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
5022 if (tx_packets
!= UINT64_MAX
) {
5023 keys
[stat_cnt
] = "tx_packets";
5024 values
[stat_cnt
] = tx_packets
;
5027 if (tx_bytes
!= UINT64_MAX
) {
5028 keys
[stat_cnt
] = "tx_bytes";
5029 values
[stat_cnt
] = tx_bytes
;
5033 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);
5037 * Add registered netdev and dpif types to ovsdb to allow external
5038 * applications to query the capabilities of the Open vSwitch instance
5039 * running on the node.
5042 discover_types(const struct ovsrec_open_vswitch
*cfg
)
5046 /* Datapath types. */
5048 dp_enumerate_types(&types
);
5049 const char **datapath_types
= sset_array(&types
);
5050 ovsrec_open_vswitch_set_datapath_types(cfg
, datapath_types
,
5051 sset_count(&types
));
5052 free(datapath_types
);
5053 sset_destroy(&types
);
5057 netdev_enumerate_types(&types
);
5058 const char **iface_types
= sset_array(&types
);
5059 ovsrec_open_vswitch_set_iface_types(cfg
, iface_types
, sset_count(&types
));
5061 sset_destroy(&types
);