1 /* Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
28 #include "dynamic-string.h"
35 #include "mac-learning.h"
36 #include "meta-flow.h"
38 #include "ofp-print.h"
40 #include "ofproto/ofproto.h"
41 #include "poll-loop.h"
44 #include "socket-util.h"
46 #include "stream-ssl.h"
48 #include "system-stats.h"
53 #include "lib/vswitch-idl.h"
54 #include "xenserver.h"
56 #include "sflow_api.h"
57 #include "vlan-bitmap.h"
59 VLOG_DEFINE_THIS_MODULE(bridge
);
61 COVERAGE_DEFINE(bridge_reconfigure
);
64 /* These members are always valid. */
65 struct list port_elem
; /* Element in struct port's "ifaces" list. */
66 struct hmap_node name_node
; /* In struct bridge's "iface_by_name" hmap. */
67 struct port
*port
; /* Containing port. */
68 char *name
; /* Host network device name. */
69 tag_type tag
; /* Tag associated with this interface. */
71 /* These members are valid only after bridge_reconfigure() causes them to
73 struct hmap_node ofp_port_node
; /* In struct bridge's "ifaces" hmap. */
74 int ofp_port
; /* OpenFlow port number, -1 if unknown. */
75 struct netdev
*netdev
; /* Network device. */
76 const char *type
; /* Usually same as cfg->type. */
77 const struct ovsrec_interface
*cfg
;
78 bool need_refresh
; /* Refresh iface after create. */
82 struct uuid uuid
; /* UUID of this "mirror" record in database. */
83 struct hmap_node hmap_node
; /* In struct bridge's "mirrors" hmap. */
84 struct bridge
*bridge
;
86 const struct ovsrec_mirror
*cfg
;
90 struct hmap_node hmap_node
; /* Element in struct bridge's "ports" hmap. */
91 struct bridge
*bridge
;
94 const struct ovsrec_port
*cfg
;
96 /* An ordinary bridge port has 1 interface.
97 * A bridge port for bonding has at least 2 interfaces. */
98 struct list ifaces
; /* List of "struct iface"s. */
102 struct hmap_node node
; /* In 'all_bridges'. */
103 char *name
; /* User-specified arbitrary name. */
104 char *type
; /* Datapath type. */
105 uint8_t ea
[ETH_ADDR_LEN
]; /* Bridge Ethernet Address. */
106 uint8_t default_ea
[ETH_ADDR_LEN
]; /* Default MAC. */
107 const struct ovsrec_bridge
*cfg
;
109 /* OpenFlow switch processing. */
110 struct ofproto
*ofproto
; /* OpenFlow switch. */
113 struct hmap ports
; /* "struct port"s indexed by name. */
114 struct hmap ifaces
; /* "struct iface"s indexed by ofp_port. */
115 struct hmap iface_by_name
; /* "struct iface"s indexed by name. */
117 /* Port mirroring. */
118 struct hmap mirrors
; /* "struct mirror" indexed by UUID. */
120 /* Synthetic local port if necessary. */
121 struct ovsrec_port synth_local_port
;
122 struct ovsrec_interface synth_local_iface
;
123 struct ovsrec_interface
*synth_local_ifacep
;
126 /* All bridges, indexed by name. */
127 static struct hmap all_bridges
= HMAP_INITIALIZER(&all_bridges
);
129 /* OVSDB IDL used to obtain configuration. */
130 static struct ovsdb_idl
*idl
;
132 /* Each time this timer expires, the bridge fetches systems and interface
133 * statistics and pushes them into the database. */
134 #define STATS_INTERVAL (5 * 1000) /* In milliseconds. */
135 static long long int stats_timer
= LLONG_MIN
;
137 /* Stores the time after which rate limited statistics may be written to the
138 * database. Only updated when changes to the database require rate limiting.
140 #define DB_LIMIT_INTERVAL (1 * 1000) /* In milliseconds. */
141 static long long int db_limiter
= LLONG_MIN
;
143 static void add_del_bridges(const struct ovsrec_open_vswitch
*);
144 static void bridge_del_ofprotos(void);
145 static bool bridge_add_ofprotos(struct bridge
*);
146 static void bridge_create(const struct ovsrec_bridge
*);
147 static void bridge_destroy(struct bridge
*);
148 static struct bridge
*bridge_lookup(const char *name
);
149 static unixctl_cb_func bridge_unixctl_dump_flows
;
150 static unixctl_cb_func bridge_unixctl_reconnect
;
151 static size_t bridge_get_controllers(const struct bridge
*br
,
152 struct ovsrec_controller
***controllersp
);
153 static void bridge_add_del_ports(struct bridge
*,
154 const unsigned long int *splinter_vlans
);
155 static void bridge_add_ofproto_ports(struct bridge
*);
156 static void bridge_del_ofproto_ports(struct bridge
*);
157 static void bridge_refresh_ofp_port(struct bridge
*);
158 static void bridge_configure_datapath_id(struct bridge
*);
159 static void bridge_configure_flow_eviction_threshold(struct bridge
*);
160 static void bridge_configure_netflow(struct bridge
*);
161 static void bridge_configure_forward_bpdu(struct bridge
*);
162 static void bridge_configure_mac_idle_time(struct bridge
*);
163 static void bridge_configure_sflow(struct bridge
*, int *sflow_bridge_number
);
164 static void bridge_configure_stp(struct bridge
*);
165 static void bridge_configure_tables(struct bridge
*);
166 static void bridge_configure_remotes(struct bridge
*,
167 const struct sockaddr_in
*managers
,
169 static void bridge_pick_local_hw_addr(struct bridge
*,
170 uint8_t ea
[ETH_ADDR_LEN
],
171 struct iface
**hw_addr_iface
);
172 static uint64_t bridge_pick_datapath_id(struct bridge
*,
173 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
174 struct iface
*hw_addr_iface
);
175 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
176 static bool bridge_has_bond_fake_iface(const struct bridge
*,
178 static bool port_is_bond_fake_iface(const struct port
*);
180 static unixctl_cb_func qos_unixctl_show
;
182 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
183 static void port_add_ifaces(struct port
*);
184 static void port_del_ifaces(struct port
*);
185 static void port_destroy(struct port
*);
186 static struct port
*port_lookup(const struct bridge
*, const char *name
);
187 static void port_configure(struct port
*);
188 static struct lacp_settings
*port_configure_lacp(struct port
*,
189 struct lacp_settings
*);
190 static void port_configure_bond(struct port
*, struct bond_settings
*,
191 uint32_t *bond_stable_ids
);
192 static bool port_is_synthetic(const struct port
*);
194 static void bridge_configure_mirrors(struct bridge
*);
195 static struct mirror
*mirror_create(struct bridge
*,
196 const struct ovsrec_mirror
*);
197 static void mirror_destroy(struct mirror
*);
198 static bool mirror_configure(struct mirror
*);
199 static void mirror_refresh_stats(struct mirror
*);
201 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
202 static struct iface
*iface_create(struct port
*port
,
203 const struct ovsrec_interface
*if_cfg
);
204 static void iface_destroy(struct iface
*);
205 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
206 static struct iface
*iface_find(const char *name
);
207 static struct iface
*iface_from_ofp_port(const struct bridge
*,
209 static void iface_set_mac(struct iface
*);
210 static void iface_set_ofport(const struct ovsrec_interface
*, int64_t ofport
);
211 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
);
212 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
213 static void iface_configure_cfm(struct iface
*);
214 static void iface_refresh_cfm_stats(struct iface
*);
215 static void iface_refresh_stats(struct iface
*);
216 static void iface_refresh_status(struct iface
*);
217 static bool iface_is_synthetic(const struct iface
*);
218 static void shash_from_ovs_idl_map(char **keys
, char **values
, size_t n
,
220 static void shash_to_ovs_idl_map(struct shash
*,
221 char ***keys
, char ***values
, size_t *n
);
223 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
225 * This is deprecated. It is only for compatibility with broken device drivers
226 * in old versions of Linux that do not properly support VLANs when VLAN
227 * devices are not used. When broken device drivers are no longer in
228 * widespread use, we will delete these interfaces. */
230 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
231 static bool vlan_splinters_enabled_anywhere
;
233 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
234 static unsigned long int *collect_splinter_vlans(
235 const struct ovsrec_open_vswitch
*);
236 static void configure_splinter_port(struct port
*);
237 static void add_vlan_splinter_ports(struct bridge
*,
238 const unsigned long int *splinter_vlans
,
239 struct shash
*ports
);
241 /* Public functions. */
243 /* Initializes the bridge module, configuring it to obtain its configuration
244 * from an OVSDB server accessed over 'remote', which should be a string in a
245 * form acceptable to ovsdb_idl_create(). */
247 bridge_init(const char *remote
)
249 /* Create connection to database. */
250 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true);
251 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
253 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
254 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
255 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
256 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
257 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
258 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
259 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
261 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
262 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
263 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
265 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
266 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
267 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
268 ovsdb_idl_omit(idl
, &ovsrec_port_col_fake_bridge
);
270 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
271 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
272 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
273 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
274 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
275 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
276 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
277 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
278 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
279 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
280 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
281 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
282 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
283 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
285 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
286 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
287 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
288 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
290 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
292 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
294 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
295 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
297 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
299 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
301 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
302 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
303 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
304 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
305 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
307 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
309 /* Register unixctl commands. */
310 unixctl_command_register("qos/show", "interface", 1, 1,
311 qos_unixctl_show
, NULL
);
312 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
313 bridge_unixctl_dump_flows
, NULL
);
314 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
315 bridge_unixctl_reconnect
, NULL
);
325 struct bridge
*br
, *next_br
;
327 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
330 ovsdb_idl_destroy(idl
);
333 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
334 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
335 * responsible for freeing '*managersp' (with free()).
337 * You may be asking yourself "why does ovs-vswitchd care?", because
338 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
339 * should not be and in fact is not directly involved in that. But
340 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
341 * it has to tell in-band control where the managers are to enable that.
342 * (Thus, only managers connected in-band are collected.)
345 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
346 struct sockaddr_in
**managersp
, size_t *n_managersp
)
348 struct sockaddr_in
*managers
= NULL
;
349 size_t n_managers
= 0;
353 /* Collect all of the potential targets from the "targets" columns of the
354 * rows pointed to by "manager_options", excluding any that are
357 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
358 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
360 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
361 sset_find_and_delete(&targets
, m
->target
);
363 sset_add(&targets
, m
->target
);
367 /* Now extract the targets' IP addresses. */
368 if (!sset_is_empty(&targets
)) {
371 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
372 SSET_FOR_EACH (target
, &targets
) {
373 struct sockaddr_in
*sin
= &managers
[n_managers
];
375 if (stream_parse_target_with_default_ports(target
,
383 sset_destroy(&targets
);
385 *managersp
= managers
;
386 *n_managersp
= n_managers
;
390 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
392 unsigned long int *splinter_vlans
;
393 struct sockaddr_in
*managers
;
394 struct bridge
*br
, *next
;
395 int sflow_bridge_number
;
398 COVERAGE_INC(bridge_reconfigure
);
400 /* Create and destroy "struct bridge"s, "struct port"s, and "struct
401 * iface"s according to 'ovs_cfg', with only very minimal configuration
404 * This is mostly an update to bridge data structures. Very little is
405 * pushed down to ofproto or lower layers. */
406 add_del_bridges(ovs_cfg
);
407 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
408 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
409 bridge_add_del_ports(br
, splinter_vlans
);
411 free(splinter_vlans
);
413 /* Delete all datapaths and datapath ports that are no longer configured.
415 * The kernel will reject any attempt to add a given port to a datapath if
416 * that port already belongs to a different datapath, so we must do all
417 * port deletions before any port additions. A datapath always has a
418 * "local port" so we must delete not-configured datapaths too. */
419 bridge_del_ofprotos();
420 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
422 bridge_del_ofproto_ports(br
);
426 /* Create datapaths and datapath ports that are missing.
428 * After this is done, we have our final set of bridges, ports, and
429 * interfaces. Every "struct bridge" has an ofproto, every "struct port"
430 * has at least one iface, every "struct iface" has a valid ofp_port and
432 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
434 if (bridge_add_ofprotos(br
)) {
435 bridge_del_ofproto_ports(br
);
441 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
442 bridge_refresh_ofp_port(br
);
443 bridge_add_ofproto_ports(br
);
446 /* Complete the configuration. */
447 sflow_bridge_number
= 0;
448 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
449 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
452 /* We need the datapath ID early to allow LACP ports to use it as the
453 * default system ID. */
454 bridge_configure_datapath_id(br
);
456 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
459 port_configure(port
);
461 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
462 iface_configure_cfm(iface
);
463 iface_configure_qos(iface
, port
->cfg
->qos
);
464 iface_set_mac(iface
);
467 bridge_configure_mirrors(br
);
468 bridge_configure_flow_eviction_threshold(br
);
469 bridge_configure_forward_bpdu(br
);
470 bridge_configure_mac_idle_time(br
);
471 bridge_configure_remotes(br
, managers
, n_managers
);
472 bridge_configure_netflow(br
);
473 bridge_configure_sflow(br
, &sflow_bridge_number
);
474 bridge_configure_stp(br
);
475 bridge_configure_tables(br
);
479 /* ovs-vswitchd has completed initialization, so allow the process that
480 * forked us to exit successfully. */
481 daemonize_complete();
484 /* Iterate over all ofprotos and delete any of them that do not have a
485 * configured bridge or that are the wrong type. */
487 bridge_del_ofprotos(void)
495 ofproto_enumerate_types(&types
);
496 SSET_FOR_EACH (type
, &types
) {
499 ofproto_enumerate_names(type
, &names
);
500 SSET_FOR_EACH (name
, &names
) {
501 struct bridge
*br
= bridge_lookup(name
);
502 if (!br
|| strcmp(type
, br
->type
)) {
503 ofproto_delete(name
, type
);
507 sset_destroy(&names
);
508 sset_destroy(&types
);
512 bridge_add_ofprotos(struct bridge
*br
)
514 int error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
516 VLOG_ERR("failed to create bridge %s: %s", br
->name
, strerror(error
));
523 port_configure(struct port
*port
)
525 const struct ovsrec_port
*cfg
= port
->cfg
;
526 struct bond_settings bond_settings
;
527 struct lacp_settings lacp_settings
;
528 struct ofproto_bundle_settings s
;
531 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
532 configure_splinter_port(port
);
541 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
542 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
543 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
548 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
552 /* Get VLAN trunks. */
555 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
559 if (cfg
->vlan_mode
) {
560 if (!strcmp(cfg
->vlan_mode
, "access")) {
561 s
.vlan_mode
= PORT_VLAN_ACCESS
;
562 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
563 s
.vlan_mode
= PORT_VLAN_TRUNK
;
564 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
565 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
566 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
567 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
569 /* This "can't happen" because ovsdb-server should prevent it. */
570 VLOG_ERR("unknown VLAN mode %s", cfg
->vlan_mode
);
571 s
.vlan_mode
= PORT_VLAN_TRUNK
;
575 s
.vlan_mode
= PORT_VLAN_ACCESS
;
577 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
581 s
.vlan_mode
= PORT_VLAN_TRUNK
;
584 s
.use_priority_tags
= !strcmp("true", ovsrec_port_get_other_config_value(
585 cfg
, "priority-tags", ""));
587 /* Get LACP settings. */
588 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
592 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
593 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
594 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
597 s
.lacp_slaves
= NULL
;
600 /* Get bond settings. */
601 if (s
.n_slaves
> 1) {
602 s
.bond
= &bond_settings
;
603 s
.bond_stable_ids
= xmalloc(s
.n_slaves
* sizeof *s
.bond_stable_ids
);
604 port_configure_bond(port
, &bond_settings
, s
.bond_stable_ids
);
607 s
.bond_stable_ids
= NULL
;
609 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
610 netdev_set_miimon_interval(iface
->netdev
, 0);
615 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
621 free(s
.bond_stable_ids
);
624 /* Pick local port hardware address and datapath ID for 'br'. */
626 bridge_configure_datapath_id(struct bridge
*br
)
628 uint8_t ea
[ETH_ADDR_LEN
];
630 struct iface
*local_iface
;
631 struct iface
*hw_addr_iface
;
634 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
635 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
637 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
639 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
640 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
641 "Ethernet address: %s",
642 br
->name
, strerror(error
));
645 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
647 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
648 ofproto_set_datapath_id(br
->ofproto
, dpid
);
650 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
651 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
655 /* Set NetFlow configuration on 'br'. */
657 bridge_configure_netflow(struct bridge
*br
)
659 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
660 struct netflow_options opts
;
663 ofproto_set_netflow(br
->ofproto
, NULL
);
667 memset(&opts
, 0, sizeof opts
);
669 /* Get default NetFlow configuration from datapath.
670 * Apply overrides from 'cfg'. */
671 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
672 if (cfg
->engine_type
) {
673 opts
.engine_type
= *cfg
->engine_type
;
675 if (cfg
->engine_id
) {
676 opts
.engine_id
= *cfg
->engine_id
;
679 /* Configure active timeout interval. */
680 opts
.active_timeout
= cfg
->active_timeout
;
681 if (!opts
.active_timeout
) {
682 opts
.active_timeout
= -1;
683 } else if (opts
.active_timeout
< 0) {
684 VLOG_WARN("bridge %s: active timeout interval set to negative "
685 "value, using default instead (%d seconds)", br
->name
,
686 NF_ACTIVE_TIMEOUT_DEFAULT
);
687 opts
.active_timeout
= -1;
690 /* Add engine ID to interface number to disambiguate bridgs? */
691 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
692 if (opts
.add_id_to_iface
) {
693 if (opts
.engine_id
> 0x7f) {
694 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
695 "another vswitch, choose an engine id less than 128",
698 if (hmap_count(&br
->ports
) > 508) {
699 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
700 "another port when more than 508 ports are used",
706 sset_init(&opts
.collectors
);
707 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
710 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
711 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
713 sset_destroy(&opts
.collectors
);
716 /* Set sFlow configuration on 'br'. */
718 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
720 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
721 struct ovsrec_controller
**controllers
;
722 struct ofproto_sflow_options oso
;
723 size_t n_controllers
;
727 ofproto_set_sflow(br
->ofproto
, NULL
);
731 memset(&oso
, 0, sizeof oso
);
733 sset_init(&oso
.targets
);
734 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
736 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
738 oso
.sampling_rate
= *cfg
->sampling
;
741 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
743 oso
.polling_interval
= *cfg
->polling
;
746 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
748 oso
.header_len
= *cfg
->header
;
751 oso
.sub_id
= (*sflow_bridge_number
)++;
752 oso
.agent_device
= cfg
->agent
;
754 oso
.control_ip
= NULL
;
755 n_controllers
= bridge_get_controllers(br
, &controllers
);
756 for (i
= 0; i
< n_controllers
; i
++) {
757 if (controllers
[i
]->local_ip
) {
758 oso
.control_ip
= controllers
[i
]->local_ip
;
762 ofproto_set_sflow(br
->ofproto
, &oso
);
764 sset_destroy(&oso
.targets
);
768 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
769 struct ofproto_port_stp_settings
*port_s
,
770 int *port_num_counter
, unsigned long *port_num_bitmap
)
772 const char *config_str
;
775 config_str
= ovsrec_port_get_other_config_value(port
->cfg
, "stp-enable",
777 if (config_str
&& !strcmp(config_str
, "false")) {
778 port_s
->enable
= false;
781 port_s
->enable
= true;
784 /* STP over bonds is not supported. */
785 if (!list_is_singleton(&port
->ifaces
)) {
786 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
788 port_s
->enable
= false;
792 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
794 /* Internal ports shouldn't participate in spanning tree, so
796 if (!strcmp(iface
->type
, "internal")) {
797 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
798 port_s
->enable
= false;
802 /* STP on mirror output ports is not supported. */
803 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
804 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
805 port_s
->enable
= false;
809 config_str
= ovsrec_port_get_other_config_value(port
->cfg
, "stp-port-num",
812 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
813 int port_idx
= port_num
- 1;
815 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
816 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
817 port_s
->enable
= false;
821 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
822 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
823 port
->name
, port_num
);
824 port_s
->enable
= false;
827 bitmap_set1(port_num_bitmap
, port_idx
);
828 port_s
->port_num
= port_idx
;
830 if (*port_num_counter
> STP_MAX_PORTS
) {
831 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
832 port_s
->enable
= false;
836 port_s
->port_num
= (*port_num_counter
)++;
839 config_str
= ovsrec_port_get_other_config_value(port
->cfg
, "stp-path-cost",
842 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
844 enum netdev_features current
;
846 if (netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
)) {
847 /* Couldn't get speed, so assume 100Mb/s. */
848 port_s
->path_cost
= 19;
852 mbps
= netdev_features_to_bps(current
) / 1000000;
853 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
857 config_str
= ovsrec_port_get_other_config_value(port
->cfg
,
861 port_s
->priority
= strtoul(config_str
, NULL
, 0);
863 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
867 /* Set spanning tree configuration on 'br'. */
869 bridge_configure_stp(struct bridge
*br
)
871 if (!br
->cfg
->stp_enable
) {
872 ofproto_set_stp(br
->ofproto
, NULL
);
874 struct ofproto_stp_settings br_s
;
875 const char *config_str
;
877 int port_num_counter
;
878 unsigned long *port_num_bitmap
;
880 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
884 uint8_t ea
[ETH_ADDR_LEN
];
886 if (eth_addr_from_string(config_str
, ea
)) {
887 br_s
.system_id
= eth_addr_to_uint64(ea
);
889 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
890 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
891 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
894 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
897 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
901 br_s
.priority
= strtoul(config_str
, NULL
, 0);
903 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
906 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
910 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
912 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
915 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
919 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
921 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
924 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
928 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
930 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
933 /* Configure STP on the bridge. */
934 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
935 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
939 /* Users must either set the port number with the "stp-port-num"
940 * configuration on all ports or none. If manual configuration
941 * is not done, then we allocate them sequentially. */
942 port_num_counter
= 0;
943 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
944 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
945 struct ofproto_port_stp_settings port_s
;
948 port_configure_stp(br
->ofproto
, port
, &port_s
,
949 &port_num_counter
, port_num_bitmap
);
951 /* As bonds are not supported, just apply configuration to
953 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
954 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
956 VLOG_ERR("port %s: could not enable STP", port
->name
);
962 if (bitmap_scan(port_num_bitmap
, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
963 && port_num_counter
) {
964 VLOG_ERR("bridge %s: must manually configure all STP port "
965 "IDs or none, disabling", br
->name
);
966 ofproto_set_stp(br
->ofproto
, NULL
);
968 bitmap_free(port_num_bitmap
);
973 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
975 const struct port
*port
= port_lookup(br
, name
);
976 return port
&& port_is_bond_fake_iface(port
);
980 port_is_bond_fake_iface(const struct port
*port
)
982 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
986 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
988 struct bridge
*br
, *next
;
992 /* Collect new bridges' names and types. */
994 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
995 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
996 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
998 if (strchr(br_cfg
->name
, '/')) {
999 /* Prevent remote ovsdb-server users from accessing arbitrary
1000 * directories, e.g. consider a bridge named "../../../etc/". */
1001 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1003 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1004 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1008 /* Get rid of deleted bridges or those whose types have changed.
1009 * Update 'cfg' of bridges that still exist. */
1010 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1011 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1012 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1013 br
->cfg
->datapath_type
))) {
1018 /* Add new bridges. */
1019 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1020 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1021 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1023 bridge_create(br_cfg
);
1027 shash_destroy(&new_br
);
1030 /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct
1033 * The kernel will reject any attempt to add a given port to a datapath if that
1034 * port already belongs to a different datapath, so we must do all port
1035 * deletions before any port additions. */
1037 bridge_del_ofproto_ports(struct bridge
*br
)
1039 struct ofproto_port_dump dump
;
1040 struct ofproto_port ofproto_port
;
1042 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
1043 const char *name
= ofproto_port
.name
;
1044 struct iface
*iface
;
1048 /* Ignore the local port. We can't change it anyhow. */
1049 if (!strcmp(name
, br
->name
)) {
1053 /* Get the type that 'ofproto_port' should have (ordinarily the
1054 * type of its corresponding iface) or NULL if it should be
1056 iface
= iface_lookup(br
, name
);
1057 type
= (iface
? iface
->type
1058 : bridge_has_bond_fake_iface(br
, name
) ? "internal"
1061 /* If it's the wrong type then delete the ofproto port. */
1063 && !strcmp(ofproto_port
.type
, type
)
1064 && (!iface
|| !iface
->netdev
1065 || !strcmp(netdev_get_type(iface
->netdev
), type
))) {
1068 error
= ofproto_port_del(br
->ofproto
, ofproto_port
.ofp_port
);
1070 VLOG_WARN("bridge %s: failed to remove %s interface (%s)",
1071 br
->name
, name
, strerror(error
));
1074 netdev_close(iface
->netdev
);
1075 iface
->netdev
= NULL
;
1081 iface_set_ofp_port(struct iface
*iface
, int ofp_port
)
1083 struct bridge
*br
= iface
->port
->bridge
;
1085 assert(iface
->ofp_port
< 0 && ofp_port
>= 0);
1086 iface
->ofp_port
= ofp_port
;
1087 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
, hash_int(ofp_port
, 0));
1088 iface_set_ofport(iface
->cfg
, ofp_port
);
1092 bridge_refresh_ofp_port(struct bridge
*br
)
1094 struct ofproto_port_dump dump
;
1095 struct ofproto_port ofproto_port
;
1098 /* Clear all the "ofp_port"es. */
1099 hmap_clear(&br
->ifaces
);
1100 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1101 struct iface
*iface
;
1103 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1104 iface
->ofp_port
= -1;
1108 /* Obtain the correct "ofp_port"s from ofproto. */
1109 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
1110 struct iface
*iface
= iface_lookup(br
, ofproto_port
.name
);
1112 if (iface
->ofp_port
>= 0) {
1113 VLOG_WARN("bridge %s: interface %s reported twice",
1114 br
->name
, ofproto_port
.name
);
1115 } else if (iface_from_ofp_port(br
, ofproto_port
.ofp_port
)) {
1116 VLOG_WARN("bridge %s: interface %"PRIu16
" reported twice",
1117 br
->name
, ofproto_port
.ofp_port
);
1119 iface_set_ofp_port(iface
, ofproto_port
.ofp_port
);
1125 /* Add an ofproto port for any "struct iface" that doesn't have one.
1126 * Delete any "struct iface" for which this fails.
1127 * Delete any "struct port" that thereby ends up with no ifaces. */
1129 bridge_add_ofproto_ports(struct bridge
*br
)
1131 struct port
*port
, *next_port
;
1133 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
1134 struct iface
*iface
, *next_iface
;
1135 struct ofproto_port ofproto_port
;
1137 LIST_FOR_EACH_SAFE (iface
, next_iface
, port_elem
, &port
->ifaces
) {
1140 /* Open the netdev. */
1141 if (!iface
->netdev
) {
1142 error
= netdev_open(iface
->name
, iface
->type
, &iface
->netdev
);
1144 VLOG_WARN("could not open network device %s (%s)",
1145 iface
->name
, strerror(error
));
1149 && port
->cfg
->vlan_mode
1150 && !strcmp(port
->cfg
->vlan_mode
, "splinter")) {
1151 netdev_turn_flags_on(iface
->netdev
, NETDEV_UP
, true);
1157 /* Configure the netdev. */
1158 if (iface
->netdev
) {
1162 shash_from_ovs_idl_map(iface
->cfg
->key_options
,
1163 iface
->cfg
->value_options
,
1164 iface
->cfg
->n_options
, &args
);
1165 error
= netdev_set_config(iface
->netdev
, &args
);
1166 shash_destroy(&args
);
1169 VLOG_WARN("could not configure network device %s (%s)",
1170 iface
->name
, strerror(error
));
1171 netdev_close(iface
->netdev
);
1172 iface
->netdev
= NULL
;
1176 /* Add the port, if necessary. */
1177 if (iface
->netdev
&& iface
->ofp_port
< 0) {
1181 error
= ofproto_port_add(br
->ofproto
, iface
->netdev
,
1184 iface_set_ofp_port(iface
, ofp_port
);
1186 netdev_close(iface
->netdev
);
1187 iface
->netdev
= NULL
;
1191 /* Populate stats columns in new Interface rows. */
1192 if (iface
->netdev
&& iface
->need_refresh
) {
1193 iface_refresh_stats(iface
);
1194 iface_refresh_status(iface
);
1195 iface
->need_refresh
= false;
1198 /* Delete the iface if we failed. */
1199 if (iface
->netdev
&& iface
->ofp_port
>= 0) {
1200 VLOG_DBG("bridge %s: interface %s is on port %d",
1201 br
->name
, iface
->name
, iface
->ofp_port
);
1203 if (iface
->netdev
) {
1204 VLOG_ERR("bridge %s: missing %s interface, dropping",
1205 br
->name
, iface
->name
);
1207 /* We already reported a related error, don't bother
1208 * duplicating it. */
1210 iface_clear_db_record(iface
->cfg
);
1211 iface_destroy(iface
);
1214 if (list_is_empty(&port
->ifaces
)) {
1215 VLOG_WARN("%s port has no interfaces, dropping", port
->name
);
1220 /* Add bond fake iface if necessary. */
1221 if (port_is_bond_fake_iface(port
)) {
1222 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1224 struct netdev
*netdev
;
1227 error
= netdev_open(port
->name
, "internal", &netdev
);
1229 ofproto_port_add(br
->ofproto
, netdev
, NULL
);
1230 netdev_close(netdev
);
1232 VLOG_WARN("could not open network device %s (%s)",
1233 port
->name
, strerror(error
));
1236 /* Already exists, nothing to do. */
1237 ofproto_port_destroy(&ofproto_port
);
1243 /* Set Flow eviction threshold */
1245 bridge_configure_flow_eviction_threshold(struct bridge
*br
)
1247 const char *threshold_str
;
1251 ovsrec_bridge_get_other_config_value(br
->cfg
,
1252 "flow-eviction-threshold",
1254 if (threshold_str
) {
1255 threshold
= strtoul(threshold_str
, NULL
, 10);
1257 threshold
= OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT
;
1259 ofproto_set_flow_eviction_threshold(br
->ofproto
, threshold
);
1262 /* Set forward BPDU option. */
1264 bridge_configure_forward_bpdu(struct bridge
*br
)
1266 const char *forward_bpdu_str
;
1267 bool forward_bpdu
= false;
1269 forward_bpdu_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
1272 if (forward_bpdu_str
&& !strcmp(forward_bpdu_str
, "true")) {
1273 forward_bpdu
= true;
1275 ofproto_set_forward_bpdu(br
->ofproto
, forward_bpdu
);
1278 /* Set MAC aging time for 'br'. */
1280 bridge_configure_mac_idle_time(struct bridge
*br
)
1282 const char *idle_time_str
;
1285 idle_time_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
1288 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1289 ? atoi(idle_time_str
)
1290 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1291 ofproto_set_mac_idle_time(br
->ofproto
, idle_time
);
1295 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1296 struct iface
**hw_addr_iface
)
1298 struct hmapx mirror_output_ports
;
1301 bool found_addr
= false;
1305 *hw_addr_iface
= NULL
;
1307 /* Did the user request a particular MAC? */
1308 hwaddr
= ovsrec_bridge_get_other_config_value(br
->cfg
, "hwaddr", NULL
);
1309 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
1310 if (eth_addr_is_multicast(ea
)) {
1311 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1312 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1313 } else if (eth_addr_is_zero(ea
)) {
1314 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
1320 /* Mirror output ports don't participate in picking the local hardware
1321 * address. ofproto can't help us find out whether a given port is a
1322 * mirror output because we haven't configured mirrors yet, so we need to
1323 * accumulate them ourselves. */
1324 hmapx_init(&mirror_output_ports
);
1325 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1326 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1327 if (m
->output_port
) {
1328 hmapx_add(&mirror_output_ports
, m
->output_port
);
1332 /* Otherwise choose the minimum non-local MAC address among all of the
1334 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1335 uint8_t iface_ea
[ETH_ADDR_LEN
];
1336 struct iface
*candidate
;
1337 struct iface
*iface
;
1339 /* Mirror output ports don't participate. */
1340 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1344 /* Choose the MAC address to represent the port. */
1346 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1347 /* Find the interface with this Ethernet address (if any) so that
1348 * we can provide the correct devname to the caller. */
1349 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1350 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1351 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1352 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1357 /* Choose the interface whose MAC address will represent the port.
1358 * The Linux kernel bonding code always chooses the MAC address of
1359 * the first slave added to a bond, and the Fedora networking
1360 * scripts always add slaves to a bond in alphabetical order, so
1361 * for compatibility we choose the interface with the name that is
1362 * first in alphabetical order. */
1363 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1364 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1369 /* The local port doesn't count (since we're trying to choose its
1370 * MAC address anyway). */
1371 if (iface
->ofp_port
== OFPP_LOCAL
) {
1376 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
1382 /* Compare against our current choice. */
1383 if (!eth_addr_is_multicast(iface_ea
) &&
1384 !eth_addr_is_local(iface_ea
) &&
1385 !eth_addr_is_reserved(iface_ea
) &&
1386 !eth_addr_is_zero(iface_ea
) &&
1387 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
1389 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
1390 *hw_addr_iface
= iface
;
1395 VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT
,
1396 br
->name
, ETH_ADDR_ARGS(ea
));
1398 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
1399 *hw_addr_iface
= NULL
;
1400 VLOG_WARN("bridge %s: using default bridge Ethernet "
1401 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1404 hmapx_destroy(&mirror_output_ports
);
1407 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1408 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1409 * an interface on 'br', then that interface must be passed in as
1410 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1411 * 'hw_addr_iface' must be passed in as a null pointer. */
1413 bridge_pick_datapath_id(struct bridge
*br
,
1414 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
1415 struct iface
*hw_addr_iface
)
1418 * The procedure for choosing a bridge MAC address will, in the most
1419 * ordinary case, also choose a unique MAC that we can use as a datapath
1420 * ID. In some special cases, though, multiple bridges will end up with
1421 * the same MAC address. This is OK for the bridges, but it will confuse
1422 * the OpenFlow controller, because each datapath needs a unique datapath
1425 * Datapath IDs must be unique. It is also very desirable that they be
1426 * stable from one run to the next, so that policy set on a datapath
1429 const char *datapath_id
;
1432 datapath_id
= ovsrec_bridge_get_other_config_value(br
->cfg
, "datapath-id",
1434 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
1438 if (!hw_addr_iface
) {
1440 * A purely internal bridge, that is, one that has no non-virtual
1441 * network devices on it at all, is difficult because it has no
1442 * natural unique identifier at all.
1444 * When the host is a XenServer, we handle this case by hashing the
1445 * host's UUID with the name of the bridge. Names of bridges are
1446 * persistent across XenServer reboots, although they can be reused if
1447 * an internal network is destroyed and then a new one is later
1448 * created, so this is fairly effective.
1450 * When the host is not a XenServer, we punt by using a random MAC
1451 * address on each run.
1453 const char *host_uuid
= xenserver_get_host_uuid();
1455 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
1456 dpid
= dpid_from_hash(combined
, strlen(combined
));
1462 return eth_addr_to_uint64(bridge_ea
);
1466 dpid_from_hash(const void *data
, size_t n
)
1468 uint8_t hash
[SHA1_DIGEST_SIZE
];
1470 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
1471 sha1_bytes(data
, n
, hash
);
1472 eth_addr_mark_random(hash
);
1473 return eth_addr_to_uint64(hash
);
1477 iface_refresh_status(struct iface
*iface
)
1481 enum netdev_features current
;
1482 enum netdev_flags flags
;
1488 if (iface_is_synthetic(iface
)) {
1494 if (!netdev_get_drv_info(iface
->netdev
, &sh
)) {
1496 char **keys
, **values
;
1498 shash_to_ovs_idl_map(&sh
, &keys
, &values
, &n
);
1499 ovsrec_interface_set_status(iface
->cfg
, keys
, values
, n
);
1504 ovsrec_interface_set_status(iface
->cfg
, NULL
, NULL
, 0);
1507 shash_destroy_free_data(&sh
);
1509 error
= netdev_get_flags(iface
->netdev
, &flags
);
1511 ovsrec_interface_set_admin_state(iface
->cfg
,
1512 flags
& NETDEV_UP
? "up" : "down");
1515 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
1518 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1520 ovsrec_interface_set_duplex(iface
->cfg
,
1521 netdev_features_is_full_duplex(current
)
1523 /* warning: uint64_t -> int64_t conversion */
1524 bps
= netdev_features_to_bps(current
);
1525 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
1528 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
1529 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
1532 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
1535 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
1538 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
1542 /* Writes 'iface''s CFM statistics to the database. */
1544 iface_refresh_cfm_stats(struct iface
*iface
)
1546 const struct ovsrec_interface
*cfg
= iface
->cfg
;
1548 const uint64_t *rmps
;
1551 if (iface_is_synthetic(iface
)) {
1555 fault
= ofproto_port_get_cfm_fault(iface
->port
->bridge
->ofproto
,
1558 const char *reasons
[CFM_FAULT_N_REASONS
];
1559 bool fault_bool
= fault
;
1563 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
1564 int reason
= 1 << i
;
1565 if (fault
& reason
) {
1566 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
1570 ovsrec_interface_set_cfm_fault(cfg
, &fault_bool
, 1);
1571 ovsrec_interface_set_cfm_fault_status(cfg
, (char **) reasons
, j
);
1573 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
1574 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
1577 error
= ofproto_port_get_cfm_remote_mpids(iface
->port
->bridge
->ofproto
,
1578 iface
->ofp_port
, &rmps
, &n_rmps
);
1580 ovsrec_interface_set_cfm_remote_mpids(cfg
, (const int64_t *)rmps
,
1583 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
1588 iface_refresh_stats(struct iface
*iface
)
1590 #define IFACE_STATS \
1591 IFACE_STAT(rx_packets, "rx_packets") \
1592 IFACE_STAT(tx_packets, "tx_packets") \
1593 IFACE_STAT(rx_bytes, "rx_bytes") \
1594 IFACE_STAT(tx_bytes, "tx_bytes") \
1595 IFACE_STAT(rx_dropped, "rx_dropped") \
1596 IFACE_STAT(tx_dropped, "tx_dropped") \
1597 IFACE_STAT(rx_errors, "rx_errors") \
1598 IFACE_STAT(tx_errors, "tx_errors") \
1599 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1600 IFACE_STAT(rx_over_errors, "rx_over_err") \
1601 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1602 IFACE_STAT(collisions, "collisions")
1604 #define IFACE_STAT(MEMBER, NAME) NAME,
1605 static char *keys
[] = { IFACE_STATS
};
1607 int64_t values
[ARRAY_SIZE(keys
)];
1610 struct netdev_stats stats
;
1612 if (iface_is_synthetic(iface
)) {
1616 /* Intentionally ignore return value, since errors will set 'stats' to
1617 * all-1s, and we will deal with that correctly below. */
1618 netdev_get_stats(iface
->netdev
, &stats
);
1620 /* Copy statistics into values[] array. */
1622 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1625 assert(i
== ARRAY_SIZE(keys
));
1627 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
,
1633 br_refresh_stp_status(struct bridge
*br
)
1635 struct ofproto
*ofproto
= br
->ofproto
;
1636 struct ofproto_stp_status status
;
1637 char *keys
[3], *values
[3];
1640 if (ofproto_get_stp_status(ofproto
, &status
)) {
1644 if (!status
.enabled
) {
1645 ovsrec_bridge_set_status(br
->cfg
, NULL
, NULL
, 0);
1649 keys
[0] = "stp_bridge_id",
1650 values
[0] = xasprintf(STP_ID_FMT
, STP_ID_ARGS(status
.bridge_id
));
1651 keys
[1] = "stp_designated_root",
1652 values
[1] = xasprintf(STP_ID_FMT
, STP_ID_ARGS(status
.designated_root
));
1653 keys
[2] = "stp_root_path_cost",
1654 values
[2] = xasprintf("%d", status
.root_path_cost
);
1656 ovsrec_bridge_set_status(br
->cfg
, keys
, values
, ARRAY_SIZE(values
));
1658 for (i
= 0; i
< ARRAY_SIZE(values
); i
++) {
1664 port_refresh_stp_status(struct port
*port
)
1666 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
1667 struct iface
*iface
;
1668 struct ofproto_port_stp_status status
;
1670 char *str_values
[4];
1671 int64_t int_values
[3];
1674 if (port_is_synthetic(port
)) {
1678 /* STP doesn't currently support bonds. */
1679 if (!list_is_singleton(&port
->ifaces
)) {
1680 ovsrec_port_set_status(port
->cfg
, NULL
, NULL
, 0);
1684 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1686 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
1690 if (!status
.enabled
) {
1691 ovsrec_port_set_status(port
->cfg
, NULL
, NULL
, 0);
1692 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
1696 /* Set Status column. */
1697 keys
[0] = "stp_port_id";
1698 str_values
[0] = xasprintf(STP_PORT_ID_FMT
, status
.port_id
);
1699 keys
[1] = "stp_state";
1700 str_values
[1] = xstrdup(stp_state_name(status
.state
));
1701 keys
[2] = "stp_sec_in_state";
1702 str_values
[2] = xasprintf("%u", status
.sec_in_state
);
1703 keys
[3] = "stp_role";
1704 str_values
[3] = xstrdup(stp_role_name(status
.role
));
1706 ovsrec_port_set_status(port
->cfg
, keys
, str_values
,
1707 ARRAY_SIZE(str_values
));
1709 for (i
= 0; i
< ARRAY_SIZE(str_values
); i
++) {
1710 free(str_values
[i
]);
1713 /* Set Statistics column. */
1714 keys
[0] = "stp_tx_count";
1715 int_values
[0] = status
.tx_count
;
1716 keys
[1] = "stp_rx_count";
1717 int_values
[1] = status
.rx_count
;
1718 keys
[2] = "stp_error_count";
1719 int_values
[2] = status
.error_count
;
1721 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
1722 ARRAY_SIZE(int_values
));
1726 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
1730 /* Use other-config:enable-system-stats by preference. */
1731 enable
= ovsrec_open_vswitch_get_other_config_value(cfg
,
1732 "enable-statistics",
1735 return !strcmp(enable
, "true");
1738 /* Disable by default. */
1743 refresh_system_stats(const struct ovsrec_open_vswitch
*cfg
)
1745 struct ovsdb_datum datum
;
1749 if (enable_system_stats(cfg
)) {
1750 get_system_stats(&stats
);
1753 ovsdb_datum_from_shash(&datum
, &stats
);
1754 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
1758 static inline const char *
1759 nx_role_to_str(enum nx_role role
)
1764 case NX_ROLE_MASTER
:
1769 return "*** INVALID ROLE ***";
1774 refresh_controller_status(void)
1778 const struct ovsrec_controller
*cfg
;
1782 /* Accumulate status for controllers on all bridges. */
1783 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1784 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
1787 /* Update each controller in the database with current status. */
1788 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
1789 struct ofproto_controller_info
*cinfo
=
1790 shash_find_data(&info
, cfg
->target
);
1793 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
1794 ovsrec_controller_set_role(cfg
, nx_role_to_str(cinfo
->role
));
1795 ovsrec_controller_set_status(cfg
, (char **) cinfo
->pairs
.keys
,
1796 (char **) cinfo
->pairs
.values
,
1799 ovsrec_controller_set_is_connected(cfg
, false);
1800 ovsrec_controller_set_role(cfg
, NULL
);
1801 ovsrec_controller_set_status(cfg
, NULL
, NULL
, 0);
1805 ofproto_free_ofproto_controller_info(&info
);
1809 refresh_cfm_stats(void)
1811 static struct ovsdb_idl_txn
*txn
= NULL
;
1816 txn
= ovsdb_idl_txn_create(idl
);
1818 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1819 struct iface
*iface
;
1821 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
1822 iface_refresh_cfm_stats(iface
);
1827 if (ovsdb_idl_txn_commit(txn
) != TXN_INCOMPLETE
) {
1828 ovsdb_idl_txn_destroy(txn
);
1833 /* Performs periodic activity required by bridges that needs to be done with
1834 * the least possible latency.
1836 * It makes sense to call this function a couple of times per poll loop, to
1837 * provide a significant performance boost on some benchmarks with ofprotos
1838 * that use the ofproto-dpif implementation. */
1840 bridge_run_fast(void)
1844 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1845 ofproto_run_fast(br
->ofproto
);
1852 const struct ovsrec_open_vswitch
*cfg
;
1854 bool vlan_splinters_changed
;
1855 bool database_changed
;
1858 /* (Re)configure if necessary. */
1859 database_changed
= ovsdb_idl_run(idl
);
1860 if (ovsdb_idl_is_lock_contended(idl
)) {
1861 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
1862 struct bridge
*br
, *next_br
;
1864 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
1865 "disabling this process until it goes away");
1867 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
1871 } else if (!ovsdb_idl_has_lock(idl
)) {
1874 cfg
= ovsrec_open_vswitch_first(idl
);
1876 /* Let each bridge do the work that it needs to do. */
1877 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1878 ofproto_run(br
->ofproto
);
1881 /* Re-configure SSL. We do this on every trip through the main loop,
1882 * instead of just when the database changes, because the contents of the
1883 * key and certificate files can change without the database changing.
1885 * We do this before bridge_reconfigure() because that function might
1886 * initiate SSL connections and thus requires SSL to be configured. */
1887 if (cfg
&& cfg
->ssl
) {
1888 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
1890 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
1891 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
1894 /* If VLAN splinters are in use, then we need to reconfigure if VLAN usage
1896 vlan_splinters_changed
= false;
1897 if (vlan_splinters_enabled_anywhere
) {
1898 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1899 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
1900 vlan_splinters_changed
= true;
1906 if (database_changed
|| vlan_splinters_changed
) {
1908 struct ovsdb_idl_txn
*txn
= ovsdb_idl_txn_create(idl
);
1910 bridge_reconfigure(cfg
);
1912 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
1913 ovsdb_idl_txn_commit(txn
);
1914 ovsdb_idl_txn_destroy(txn
); /* XXX */
1916 /* We still need to reconfigure to avoid dangling pointers to
1917 * now-destroyed ovsrec structures inside bridge data. */
1918 static const struct ovsrec_open_vswitch null_cfg
;
1920 bridge_reconfigure(&null_cfg
);
1924 /* Refresh system and interface stats if necessary. */
1925 if (time_msec() >= stats_timer
) {
1927 struct ovsdb_idl_txn
*txn
;
1929 txn
= ovsdb_idl_txn_create(idl
);
1930 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1934 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1935 struct iface
*iface
;
1937 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1938 iface_refresh_stats(iface
);
1939 iface_refresh_status(iface
);
1943 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
1944 mirror_refresh_stats(m
);
1948 refresh_system_stats(cfg
);
1949 refresh_controller_status();
1950 ovsdb_idl_txn_commit(txn
);
1951 ovsdb_idl_txn_destroy(txn
); /* XXX */
1954 stats_timer
= time_msec() + STATS_INTERVAL
;
1957 if (time_msec() >= db_limiter
) {
1958 struct ovsdb_idl_txn
*txn
;
1960 txn
= ovsdb_idl_txn_create(idl
);
1961 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1962 struct iface
*iface
;
1965 br_refresh_stp_status(br
);
1967 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1968 port_refresh_stp_status(port
);
1971 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
1972 const char *link_state
;
1973 int64_t link_resets
;
1976 if (iface_is_synthetic(iface
)) {
1980 current
= ofproto_port_is_lacp_current(br
->ofproto
,
1984 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
1986 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
1989 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
1990 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
1992 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
1993 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
1997 if (ovsdb_idl_txn_commit(txn
) != TXN_UNCHANGED
) {
1998 db_limiter
= time_msec() + DB_LIMIT_INTERVAL
;
2000 ovsdb_idl_txn_destroy(txn
);
2003 refresh_cfm_stats();
2009 ovsdb_idl_wait(idl
);
2010 if (!hmap_is_empty(&all_bridges
)) {
2013 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2014 ofproto_wait(br
->ofproto
);
2016 poll_timer_wait_until(stats_timer
);
2018 if (db_limiter
> time_msec()) {
2019 poll_timer_wait_until(db_limiter
);
2024 /* QoS unixctl user interface functions. */
2026 struct qos_unixctl_show_cbdata
{
2028 struct iface
*iface
;
2032 qos_unixctl_show_cb(unsigned int queue_id
,
2033 const struct shash
*details
,
2036 struct qos_unixctl_show_cbdata
*data
= aux
;
2037 struct ds
*ds
= data
->ds
;
2038 struct iface
*iface
= data
->iface
;
2039 struct netdev_queue_stats stats
;
2040 struct shash_node
*node
;
2043 ds_put_cstr(ds
, "\n");
2045 ds_put_format(ds
, "Queue %u:\n", queue_id
);
2047 ds_put_cstr(ds
, "Default:\n");
2050 SHASH_FOR_EACH (node
, details
) {
2051 ds_put_format(ds
, "\t%s: %s\n", node
->name
, (char *)node
->data
);
2054 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
2056 if (stats
.tx_packets
!= UINT64_MAX
) {
2057 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
2060 if (stats
.tx_bytes
!= UINT64_MAX
) {
2061 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
2064 if (stats
.tx_errors
!= UINT64_MAX
) {
2065 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
2068 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
2069 queue_id
, strerror(error
));
2074 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2075 const char *argv
[], void *aux OVS_UNUSED
)
2077 struct ds ds
= DS_EMPTY_INITIALIZER
;
2078 struct shash sh
= SHASH_INITIALIZER(&sh
);
2079 struct iface
*iface
;
2081 struct shash_node
*node
;
2082 struct qos_unixctl_show_cbdata data
;
2085 iface
= iface_find(argv
[1]);
2087 unixctl_command_reply_error(conn
, "no such interface");
2091 netdev_get_qos(iface
->netdev
, &type
, &sh
);
2093 if (*type
!= '\0') {
2094 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
2096 SHASH_FOR_EACH (node
, &sh
) {
2097 ds_put_format(&ds
, "%s: %s\n", node
->name
, (char *)node
->data
);
2102 error
= netdev_dump_queues(iface
->netdev
, qos_unixctl_show_cb
, &data
);
2105 ds_put_format(&ds
, "failed to dump queues: %s", strerror(error
));
2107 unixctl_command_reply(conn
, ds_cstr(&ds
));
2109 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
2110 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
2113 shash_destroy_free_data(&sh
);
2117 /* Bridge reconfiguration functions. */
2119 bridge_create(const struct ovsrec_bridge
*br_cfg
)
2123 assert(!bridge_lookup(br_cfg
->name
));
2124 br
= xzalloc(sizeof *br
);
2126 br
->name
= xstrdup(br_cfg
->name
);
2127 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
2130 /* Derive the default Ethernet address from the bridge's UUID. This should
2131 * be unique and it will be stable between ovs-vswitchd runs. */
2132 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
2133 eth_addr_mark_random(br
->default_ea
);
2135 hmap_init(&br
->ports
);
2136 hmap_init(&br
->ifaces
);
2137 hmap_init(&br
->iface_by_name
);
2138 hmap_init(&br
->mirrors
);
2140 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
2144 bridge_destroy(struct bridge
*br
)
2147 struct mirror
*mirror
, *next_mirror
;
2148 struct port
*port
, *next_port
;
2150 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
2153 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
2154 mirror_destroy(mirror
);
2156 hmap_remove(&all_bridges
, &br
->node
);
2157 ofproto_destroy(br
->ofproto
);
2158 hmap_destroy(&br
->ifaces
);
2159 hmap_destroy(&br
->ports
);
2160 hmap_destroy(&br
->iface_by_name
);
2161 hmap_destroy(&br
->mirrors
);
2168 static struct bridge
*
2169 bridge_lookup(const char *name
)
2173 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
2174 if (!strcmp(br
->name
, name
)) {
2181 /* Handle requests for a listing of all flows known by the OpenFlow
2182 * stack, including those normally hidden. */
2184 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2185 const char *argv
[], void *aux OVS_UNUSED
)
2190 br
= bridge_lookup(argv
[1]);
2192 unixctl_command_reply_error(conn
, "Unknown bridge");
2197 ofproto_get_all_flows(br
->ofproto
, &results
);
2199 unixctl_command_reply(conn
, ds_cstr(&results
));
2200 ds_destroy(&results
);
2203 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2204 * connections and reconnect. If BRIDGE is not specified, then all bridges
2205 * drop their controller connections and reconnect. */
2207 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
2208 const char *argv
[], void *aux OVS_UNUSED
)
2212 br
= bridge_lookup(argv
[1]);
2214 unixctl_command_reply_error(conn
, "Unknown bridge");
2217 ofproto_reconnect_controllers(br
->ofproto
);
2219 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2220 ofproto_reconnect_controllers(br
->ofproto
);
2223 unixctl_command_reply(conn
, NULL
);
2227 bridge_get_controllers(const struct bridge
*br
,
2228 struct ovsrec_controller
***controllersp
)
2230 struct ovsrec_controller
**controllers
;
2231 size_t n_controllers
;
2233 controllers
= br
->cfg
->controller
;
2234 n_controllers
= br
->cfg
->n_controller
;
2236 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
2242 *controllersp
= controllers
;
2244 return n_controllers
;
2247 /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match
2248 * those configured in 'br->cfg'. */
2250 bridge_add_del_ports(struct bridge
*br
,
2251 const unsigned long int *splinter_vlans
)
2253 struct port
*port
, *next
;
2254 struct shash_node
*node
;
2255 struct shash new_ports
;
2258 /* Collect new ports. */
2259 shash_init(&new_ports
);
2260 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
2261 const char *name
= br
->cfg
->ports
[i
]->name
;
2262 if (!shash_add_once(&new_ports
, name
, br
->cfg
->ports
[i
])) {
2263 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2267 if (bridge_get_controllers(br
, NULL
)
2268 && !shash_find(&new_ports
, br
->name
)) {
2269 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2270 br
->name
, br
->name
);
2272 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
2273 br
->synth_local_port
.n_interfaces
= 1;
2274 br
->synth_local_port
.name
= br
->name
;
2276 br
->synth_local_iface
.name
= br
->name
;
2277 br
->synth_local_iface
.type
= "internal";
2279 br
->synth_local_ifacep
= &br
->synth_local_iface
;
2281 shash_add(&new_ports
, br
->name
, &br
->synth_local_port
);
2284 if (splinter_vlans
) {
2285 add_vlan_splinter_ports(br
, splinter_vlans
, &new_ports
);
2288 /* Get rid of deleted ports.
2289 * Get rid of deleted interfaces on ports that still exist. */
2290 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
2291 port
->cfg
= shash_find_data(&new_ports
, port
->name
);
2295 port_del_ifaces(port
);
2299 /* Create new ports.
2300 * Add new interfaces to existing ports. */
2301 SHASH_FOR_EACH (node
, &new_ports
) {
2302 struct port
*port
= port_lookup(br
, node
->name
);
2304 struct ovsrec_port
*cfg
= node
->data
;
2305 port
= port_create(br
, cfg
);
2307 port_add_ifaces(port
);
2308 if (list_is_empty(&port
->ifaces
)) {
2309 VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
2310 br
->name
, port
->name
);
2314 shash_destroy(&new_ports
);
2317 /* Initializes 'oc' appropriately as a management service controller for
2320 * The caller must free oc->target when it is no longer needed. */
2322 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
2323 struct ofproto_controller
*oc
)
2325 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
2326 oc
->max_backoff
= 0;
2327 oc
->probe_interval
= 60;
2328 oc
->band
= OFPROTO_OUT_OF_BAND
;
2330 oc
->burst_limit
= 0;
2331 oc
->enable_async_msgs
= true;
2334 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2336 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
2337 struct ofproto_controller
*oc
)
2339 const char *config_str
;
2341 oc
->target
= c
->target
;
2342 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
2343 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
2344 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
2345 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
2346 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
2347 oc
->burst_limit
= (c
->controller_burst_limit
2348 ? *c
->controller_burst_limit
: 0);
2349 oc
->enable_async_msgs
= (!c
->enable_async_messages
2350 || *c
->enable_async_messages
);
2351 config_str
= ovsrec_controller_get_other_config_value(c
, "dscp", NULL
);
2353 oc
->dscp
= atoi(config_str
);
2355 oc
->dscp
= DSCP_DEFAULT
;
2359 /* Configures the IP stack for 'br''s local interface properly according to the
2360 * configuration in 'c'. */
2362 bridge_configure_local_iface_netdev(struct bridge
*br
,
2363 struct ovsrec_controller
*c
)
2365 struct netdev
*netdev
;
2366 struct in_addr mask
, gateway
;
2368 struct iface
*local_iface
;
2371 /* If there's no local interface or no IP address, give up. */
2372 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
2373 if (!local_iface
|| !c
->local_ip
|| !inet_aton(c
->local_ip
, &ip
)) {
2377 /* Bring up the local interface. */
2378 netdev
= local_iface
->netdev
;
2379 netdev_turn_flags_on(netdev
, NETDEV_UP
, true);
2381 /* Configure the IP address and netmask. */
2382 if (!c
->local_netmask
2383 || !inet_aton(c
->local_netmask
, &mask
)
2385 mask
.s_addr
= guess_netmask(ip
.s_addr
);
2387 if (!netdev_set_in4(netdev
, ip
, mask
)) {
2388 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
2389 br
->name
, IP_ARGS(&ip
.s_addr
), IP_ARGS(&mask
.s_addr
));
2392 /* Configure the default gateway. */
2393 if (c
->local_gateway
2394 && inet_aton(c
->local_gateway
, &gateway
)
2395 && gateway
.s_addr
) {
2396 if (!netdev_add_router(netdev
, gateway
)) {
2397 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
2398 br
->name
, IP_ARGS(&gateway
.s_addr
));
2403 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2404 * in either string are treated as equal to any number of slashes in the other,
2405 * e.g. "x///y" is equal to "x/y". */
2407 equal_pathnames(const char *a
, const char *b
)
2411 a
+= strspn(a
, "/");
2412 b
+= strspn(b
, "/");
2413 } else if (*a
== '\0') {
2424 bridge_configure_remotes(struct bridge
*br
,
2425 const struct sockaddr_in
*managers
, size_t n_managers
)
2427 const char *disable_ib_str
, *queue_id_str
;
2428 bool disable_in_band
= false;
2431 struct ovsrec_controller
**controllers
;
2432 size_t n_controllers
;
2434 enum ofproto_fail_mode fail_mode
;
2436 struct ofproto_controller
*ocs
;
2440 /* Check if we should disable in-band control on this bridge. */
2441 disable_ib_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
2444 if (disable_ib_str
&& !strcmp(disable_ib_str
, "true")) {
2445 disable_in_band
= true;
2448 /* Set OpenFlow queue ID for in-band control. */
2449 queue_id_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
2452 queue_id
= queue_id_str
? strtol(queue_id_str
, NULL
, 10) : -1;
2453 ofproto_set_in_band_queue(br
->ofproto
, queue_id
);
2455 if (disable_in_band
) {
2456 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
2458 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
2461 n_controllers
= bridge_get_controllers(br
, &controllers
);
2463 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
2466 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
2467 for (i
= 0; i
< n_controllers
; i
++) {
2468 struct ovsrec_controller
*c
= controllers
[i
];
2470 if (!strncmp(c
->target
, "punix:", 6)
2471 || !strncmp(c
->target
, "unix:", 5)) {
2472 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2475 whitelist
= xasprintf("unix:%s/%s.controller",
2476 ovs_rundir(), br
->name
);
2477 if (!equal_pathnames(c
->target
, whitelist
)) {
2478 /* Prevent remote ovsdb-server users from accessing arbitrary
2479 * Unix domain sockets and overwriting arbitrary local
2481 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
2482 "controller \"%s\" due to possibility for remote "
2483 "exploit. Instead, specify whitelisted \"%s\" or "
2484 "connect to \"unix:%s/%s.mgmt\" (which is always "
2485 "available without special configuration).",
2486 br
->name
, c
->target
, whitelist
,
2487 ovs_rundir(), br
->name
);
2495 bridge_configure_local_iface_netdev(br
, c
);
2496 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
2497 if (disable_in_band
) {
2498 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
2503 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
);
2504 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
2507 /* Set the fail-mode. */
2508 fail_mode
= !br
->cfg
->fail_mode
2509 || !strcmp(br
->cfg
->fail_mode
, "standalone")
2510 ? OFPROTO_FAIL_STANDALONE
2511 : OFPROTO_FAIL_SECURE
;
2512 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
2514 /* Configure OpenFlow controller connection snooping. */
2515 if (!ofproto_has_snoops(br
->ofproto
)) {
2519 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
2520 ovs_rundir(), br
->name
));
2521 ofproto_set_snoops(br
->ofproto
, &snoops
);
2522 sset_destroy(&snoops
);
2527 bridge_configure_tables(struct bridge
*br
)
2529 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2533 n_tables
= ofproto_get_n_tables(br
->ofproto
);
2535 for (i
= 0; i
< n_tables
; i
++) {
2536 struct ofproto_table_settings s
;
2539 s
.max_flows
= UINT_MAX
;
2543 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
2544 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
2547 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
2548 s
.max_flows
= *cfg
->flow_limit
;
2550 if (cfg
->overflow_policy
2551 && !strcmp(cfg
->overflow_policy
, "evict")) {
2554 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
2555 for (k
= 0; k
< cfg
->n_groups
; k
++) {
2556 const char *string
= cfg
->groups
[k
];
2559 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
2561 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
2562 "'groups' (%s)", br
->name
, i
, msg
);
2564 } else if (*string
) {
2565 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
2566 "element '%s' contains trailing garbage",
2567 br
->name
, i
, cfg
->groups
[k
]);
2575 ofproto_configure_table(br
->ofproto
, i
, &s
);
2579 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
2580 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
2581 "%"PRId64
" not supported by this datapath", br
->name
,
2582 br
->cfg
->key_flow_tables
[j
]);
2586 /* Port functions. */
2588 static struct port
*
2589 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
2593 port
= xzalloc(sizeof *port
);
2595 port
->name
= xstrdup(cfg
->name
);
2597 list_init(&port
->ifaces
);
2599 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
2601 VLOG_INFO("created port %s on bridge %s", port
->name
, br
->name
);
2606 /* Deletes interfaces from 'port' that are no longer configured for it. */
2608 port_del_ifaces(struct port
*port
)
2610 struct iface
*iface
, *next
;
2611 struct sset new_ifaces
;
2614 /* Collect list of new interfaces. */
2615 sset_init(&new_ifaces
);
2616 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
2617 const char *name
= port
->cfg
->interfaces
[i
]->name
;
2618 const char *type
= port
->cfg
->interfaces
[i
]->name
;
2619 if (strcmp(type
, "null")) {
2620 sset_add(&new_ifaces
, name
);
2624 /* Get rid of deleted interfaces. */
2625 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
2626 if (!sset_contains(&new_ifaces
, iface
->name
)) {
2627 iface_destroy(iface
);
2631 sset_destroy(&new_ifaces
);
2634 /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of
2637 port_add_ifaces(struct port
*port
)
2639 struct shash new_ifaces
;
2640 struct shash_node
*node
;
2643 /* Collect new ifaces. */
2644 shash_init(&new_ifaces
);
2645 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
2646 const struct ovsrec_interface
*cfg
= port
->cfg
->interfaces
[i
];
2647 if (strcmp(cfg
->type
, "null")
2648 && !shash_add_once(&new_ifaces
, cfg
->name
, cfg
)) {
2649 VLOG_WARN("port %s: %s specified twice as port interface",
2650 port
->name
, cfg
->name
);
2651 iface_clear_db_record(cfg
);
2655 /* Create new interfaces.
2656 * Update interface types and 'cfg' members. */
2657 SHASH_FOR_EACH (node
, &new_ifaces
) {
2658 const struct ovsrec_interface
*cfg
= node
->data
;
2659 const char *iface_name
= node
->name
;
2660 struct iface
*iface
;
2662 iface
= iface_lookup(port
->bridge
, iface_name
);
2664 iface
= iface_create(port
, cfg
);
2669 /* Determine interface type. The local port always has type
2670 * "internal". Other ports take their type from the database and
2671 * default to "system" if none is specified. */
2672 iface
->type
= (!strcmp(iface_name
, port
->bridge
->name
) ? "internal"
2673 : cfg
->type
[0] ? cfg
->type
2676 shash_destroy(&new_ifaces
);
2680 port_destroy(struct port
*port
)
2683 struct bridge
*br
= port
->bridge
;
2684 struct iface
*iface
, *next
;
2687 ofproto_bundle_unregister(br
->ofproto
, port
);
2690 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
2691 iface_destroy(iface
);
2694 hmap_remove(&br
->ports
, &port
->hmap_node
);
2696 VLOG_INFO("destroyed port %s on bridge %s", port
->name
, br
->name
);
2703 static struct port
*
2704 port_lookup(const struct bridge
*br
, const char *name
)
2708 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
2710 if (!strcmp(port
->name
, name
)) {
2718 enable_lacp(struct port
*port
, bool *activep
)
2720 if (!port
->cfg
->lacp
) {
2721 /* XXX when LACP implementation has been sufficiently tested, enable by
2722 * default and make active on bonded ports. */
2724 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
2726 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
2729 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
2733 VLOG_WARN("port %s: unknown LACP mode %s",
2734 port
->name
, port
->cfg
->lacp
);
2739 static struct lacp_settings
*
2740 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
2742 const char *lacp_time
, *system_id
;
2743 long long int custom_time
;
2746 if (!enable_lacp(port
, &s
->active
)) {
2750 s
->name
= port
->name
;
2752 system_id
= ovsrec_port_get_other_config_value(port
->cfg
, "lacp-system-id",
2755 if (sscanf(system_id
, ETH_ADDR_SCAN_FMT
,
2756 ETH_ADDR_SCAN_ARGS(s
->id
)) != ETH_ADDR_SCAN_COUNT
) {
2757 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
2758 " address.", port
->name
, system_id
);
2762 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
2765 if (eth_addr_is_zero(s
->id
)) {
2766 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
2770 /* Prefer bondable links if unspecified. */
2771 priority
= atoi(ovsrec_port_get_other_config_value(port
->cfg
,
2772 "lacp-system-priority",
2774 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
2776 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
2778 s
->heartbeat
= !strcmp(ovsrec_port_get_other_config_value(port
->cfg
,
2783 lacp_time
= ovsrec_port_get_other_config_value(port
->cfg
, "lacp-time",
2785 custom_time
= atoi(lacp_time
);
2786 if (!strcmp(lacp_time
, "fast")) {
2787 s
->lacp_time
= LACP_TIME_FAST
;
2788 } else if (!strcmp(lacp_time
, "slow")) {
2789 s
->lacp_time
= LACP_TIME_SLOW
;
2790 } else if (custom_time
> 0) {
2791 s
->lacp_time
= LACP_TIME_CUSTOM
;
2792 s
->custom_time
= custom_time
;
2794 s
->lacp_time
= LACP_TIME_SLOW
;
2801 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
2803 int priority
, portid
, key
;
2805 portid
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
2809 atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
2810 "lacp-port-priority",
2812 key
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
2813 "lacp-aggregation-key",
2816 if (portid
<= 0 || portid
> UINT16_MAX
) {
2817 portid
= iface
->ofp_port
;
2820 if (priority
<= 0 || priority
> UINT16_MAX
) {
2821 priority
= UINT16_MAX
;
2824 if (key
< 0 || key
> UINT16_MAX
) {
2828 s
->name
= iface
->name
;
2830 s
->priority
= priority
;
2835 port_configure_bond(struct port
*port
, struct bond_settings
*s
,
2836 uint32_t *bond_stable_ids
)
2838 const char *detect_s
;
2839 struct iface
*iface
;
2840 int miimon_interval
;
2843 s
->name
= port
->name
;
2845 if (port
->cfg
->bond_mode
) {
2846 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
2847 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
2848 port
->name
, port
->cfg
->bond_mode
,
2849 bond_mode_to_string(s
->balance
));
2852 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2854 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
2855 * active-backup. At some point we should remove this warning. */
2856 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
2857 " in previous versions, the default bond_mode was"
2858 " balance-slb", port
->name
,
2859 bond_mode_to_string(s
->balance
));
2861 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
2862 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
2863 "please use another bond type or disable flood_vlans",
2868 atoi(ovsrec_port_get_other_config_value(port
->cfg
,
2869 "bond-miimon-interval", "0"));
2870 if (miimon_interval
<= 0) {
2871 miimon_interval
= 200;
2874 detect_s
= ovsrec_port_get_other_config_value(port
->cfg
,
2877 if (!strcmp(detect_s
, "carrier")) {
2878 miimon_interval
= 0;
2879 } else if (strcmp(detect_s
, "miimon")) {
2880 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
2881 "defaulting to carrier", port
->name
, detect_s
);
2882 miimon_interval
= 0;
2885 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
2886 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
2887 s
->basis
= atoi(ovsrec_port_get_other_config_value(port
->cfg
,
2890 s
->rebalance_interval
= atoi(
2891 ovsrec_port_get_other_config_value(port
->cfg
,
2892 "bond-rebalance-interval",
2894 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
2895 s
->rebalance_interval
= 1000;
2898 s
->fake_iface
= port
->cfg
->bond_fake_iface
;
2901 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2902 long long stable_id
;
2905 atoll(ovsrec_interface_get_other_config_value(iface
->cfg
,
2908 if (stable_id
<= 0 || stable_id
>= UINT32_MAX
) {
2909 stable_id
= iface
->ofp_port
;
2911 bond_stable_ids
[i
++] = stable_id
;
2913 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
2917 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
2918 * instead of obtaining it from the database. */
2920 port_is_synthetic(const struct port
*port
)
2922 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
2925 /* Interface functions. */
2927 static struct iface
*
2928 iface_create(struct port
*port
, const struct ovsrec_interface
*if_cfg
)
2930 struct bridge
*br
= port
->bridge
;
2931 struct iface
*iface
;
2932 char *name
= if_cfg
->name
;
2934 iface
= xzalloc(sizeof *iface
);
2936 iface
->name
= xstrdup(name
);
2937 iface
->ofp_port
= -1;
2938 iface
->tag
= tag_create_random();
2939 iface
->netdev
= NULL
;
2940 iface
->cfg
= if_cfg
;
2941 iface
->need_refresh
= true;
2943 hmap_insert(&br
->iface_by_name
, &iface
->name_node
, hash_string(name
, 0));
2945 list_push_back(&port
->ifaces
, &iface
->port_elem
);
2947 VLOG_DBG("attached network device %s to port %s", iface
->name
, port
->name
);
2953 iface_destroy(struct iface
*iface
)
2956 struct port
*port
= iface
->port
;
2957 struct bridge
*br
= port
->bridge
;
2959 if (br
->ofproto
&& iface
->ofp_port
>= 0) {
2960 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
2963 if (iface
->ofp_port
>= 0) {
2964 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
2967 list_remove(&iface
->port_elem
);
2968 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
2970 netdev_close(iface
->netdev
);
2977 static struct iface
*
2978 iface_lookup(const struct bridge
*br
, const char *name
)
2980 struct iface
*iface
;
2982 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
2983 &br
->iface_by_name
) {
2984 if (!strcmp(iface
->name
, name
)) {
2992 static struct iface
*
2993 iface_find(const char *name
)
2995 const struct bridge
*br
;
2997 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2998 struct iface
*iface
= iface_lookup(br
, name
);
3007 static struct iface
*
3008 iface_from_ofp_port(const struct bridge
*br
, uint16_t ofp_port
)
3010 struct iface
*iface
;
3012 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
,
3013 hash_int(ofp_port
, 0), &br
->ifaces
) {
3014 if (iface
->ofp_port
== ofp_port
) {
3021 /* Set Ethernet address of 'iface', if one is specified in the configuration
3024 iface_set_mac(struct iface
*iface
)
3026 uint8_t ea
[ETH_ADDR_LEN
];
3028 if (!strcmp(iface
->type
, "internal")
3029 && iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
3030 if (iface
->ofp_port
== OFPP_LOCAL
) {
3031 VLOG_ERR("interface %s: ignoring mac in Interface record "
3032 "(use Bridge record to set local port's mac)",
3034 } else if (eth_addr_is_multicast(ea
)) {
3035 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3038 int error
= netdev_set_etheraddr(iface
->netdev
, ea
);
3040 VLOG_ERR("interface %s: setting MAC failed (%s)",
3041 iface
->name
, strerror(error
));
3047 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3049 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, int64_t ofport
)
3051 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3052 ovsrec_interface_set_ofport(if_cfg
, &ofport
, 1);
3056 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3057 * sets the "ofport" field to -1.
3059 * This is appropriate when 'if_cfg''s interface cannot be created or is
3060 * otherwise invalid. */
3062 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
)
3064 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3065 iface_set_ofport(if_cfg
, -1);
3066 ovsrec_interface_set_status(if_cfg
, NULL
, NULL
, 0);
3067 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
3068 ovsrec_interface_set_duplex(if_cfg
, NULL
);
3069 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
3070 ovsrec_interface_set_link_state(if_cfg
, NULL
);
3071 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
3072 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
3073 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
3074 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
3075 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
3076 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
3080 /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'.
3082 * The value strings in '*shash' are taken directly from values[], not copied,
3083 * so the caller should not modify or free them. */
3085 shash_from_ovs_idl_map(char **keys
, char **values
, size_t n
,
3086 struct shash
*shash
)
3091 for (i
= 0; i
< n
; i
++) {
3092 shash_add(shash
, keys
[i
], values
[i
]);
3096 /* Creates 'keys' and 'values' arrays from 'shash'.
3098 * Sets 'keys' and 'values' to heap allocated arrays representing the key-value
3099 * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They
3100 * are populated with with strings taken directly from 'shash' and thus have
3101 * the same ownership of the key-value pairs in shash.
3104 shash_to_ovs_idl_map(struct shash
*shash
,
3105 char ***keys
, char ***values
, size_t *n
)
3109 struct shash_node
*sn
;
3111 count
= shash_count(shash
);
3113 k
= xmalloc(count
* sizeof *k
);
3114 v
= xmalloc(count
* sizeof *v
);
3117 SHASH_FOR_EACH(sn
, shash
) {
3128 struct iface_delete_queues_cbdata
{
3129 struct netdev
*netdev
;
3130 const struct ovsdb_datum
*queues
;
3134 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
3136 union ovsdb_atom atom
;
3138 atom
.integer
= target
;
3139 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
3143 iface_delete_queues(unsigned int queue_id
,
3144 const struct shash
*details OVS_UNUSED
, void *cbdata_
)
3146 struct iface_delete_queues_cbdata
*cbdata
= cbdata_
;
3148 if (!queue_ids_include(cbdata
->queues
, queue_id
)) {
3149 netdev_delete_queue(cbdata
->netdev
, queue_id
);
3154 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
3156 struct ofpbuf queues_buf
;
3158 ofpbuf_init(&queues_buf
, 0);
3160 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
3161 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
3163 struct iface_delete_queues_cbdata cbdata
;
3164 struct shash details
;
3168 /* Configure top-level Qos for 'iface'. */
3169 shash_from_ovs_idl_map(qos
->key_other_config
, qos
->value_other_config
,
3170 qos
->n_other_config
, &details
);
3171 netdev_set_qos(iface
->netdev
, qos
->type
, &details
);
3172 shash_destroy(&details
);
3174 /* Deconfigure queues that were deleted. */
3175 cbdata
.netdev
= iface
->netdev
;
3176 cbdata
.queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
3178 netdev_dump_queues(iface
->netdev
, iface_delete_queues
, &cbdata
);
3180 /* Configure queues for 'iface'. */
3182 for (i
= 0; i
< qos
->n_queues
; i
++) {
3183 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
3184 unsigned int queue_id
= qos
->key_queues
[i
];
3186 if (queue_id
== 0) {
3190 if (queue
->n_dscp
== 1) {
3191 struct ofproto_port_queue
*port_queue
;
3193 port_queue
= ofpbuf_put_uninit(&queues_buf
,
3194 sizeof *port_queue
);
3195 port_queue
->queue
= queue_id
;
3196 port_queue
->dscp
= queue
->dscp
[0];
3199 shash_from_ovs_idl_map(queue
->key_other_config
,
3200 queue
->value_other_config
,
3201 queue
->n_other_config
, &details
);
3202 netdev_set_queue(iface
->netdev
, queue_id
, &details
);
3203 shash_destroy(&details
);
3206 shash_init(&details
);
3207 netdev_set_queue(iface
->netdev
, 0, &details
);
3208 shash_destroy(&details
);
3212 if (iface
->ofp_port
>= 0) {
3213 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
3214 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
3216 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
3217 port_queues
, n_queues
);
3220 netdev_set_policing(iface
->netdev
,
3221 iface
->cfg
->ingress_policing_rate
,
3222 iface
->cfg
->ingress_policing_burst
);
3224 ofpbuf_uninit(&queues_buf
);
3228 iface_configure_cfm(struct iface
*iface
)
3230 const struct ovsrec_interface
*cfg
= iface
->cfg
;
3231 const char *extended_str
, *opstate_str
;
3232 const char *cfm_ccm_vlan
;
3233 struct cfm_settings s
;
3235 if (!cfg
->n_cfm_mpid
) {
3236 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
3240 s
.mpid
= *cfg
->cfm_mpid
;
3241 s
.interval
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
3244 cfm_ccm_vlan
= ovsrec_interface_get_other_config_value(iface
->cfg
,
3247 s
.ccm_pcp
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
3250 if (s
.interval
<= 0) {
3254 if (!strcasecmp("random", cfm_ccm_vlan
)) {
3255 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
3257 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
3258 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
3263 extended_str
= ovsrec_interface_get_other_config_value(iface
->cfg
,
3266 s
.extended
= !strcasecmp("true", extended_str
);
3268 opstate_str
= ovsrec_interface_get_other_config_value(iface
->cfg
,
3271 s
.opup
= !strcasecmp("up", opstate_str
);
3273 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
3276 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3277 * instead of obtaining it from the database. */
3279 iface_is_synthetic(const struct iface
*iface
)
3281 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
3285 /* Port mirroring. */
3287 static struct mirror
*
3288 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
3292 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
3293 if (uuid_equals(uuid
, &m
->uuid
)) {
3301 bridge_configure_mirrors(struct bridge
*br
)
3303 const struct ovsdb_datum
*mc
;
3304 unsigned long *flood_vlans
;
3305 struct mirror
*m
, *next
;
3308 /* Get rid of deleted mirrors. */
3309 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
3310 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
3311 union ovsdb_atom atom
;
3313 atom
.uuid
= m
->uuid
;
3314 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3319 /* Add new mirrors and reconfigure existing ones. */
3320 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
3321 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
3322 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
3324 m
= mirror_create(br
, cfg
);
3327 if (!mirror_configure(m
)) {
3332 /* Update flooded vlans (for RSPAN). */
3333 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
3334 br
->cfg
->n_flood_vlans
);
3335 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
3336 bitmap_free(flood_vlans
);
3339 static struct mirror
*
3340 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
3344 m
= xzalloc(sizeof *m
);
3345 m
->uuid
= cfg
->header_
.uuid
;
3346 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
3348 m
->name
= xstrdup(cfg
->name
);
3354 mirror_destroy(struct mirror
*m
)
3357 struct bridge
*br
= m
->bridge
;
3360 ofproto_mirror_unregister(br
->ofproto
, m
);
3363 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
3370 mirror_collect_ports(struct mirror
*m
,
3371 struct ovsrec_port
**in_ports
, int n_in_ports
,
3372 void ***out_portsp
, size_t *n_out_portsp
)
3374 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
3375 size_t n_out_ports
= 0;
3378 for (i
= 0; i
< n_in_ports
; i
++) {
3379 const char *name
= in_ports
[i
]->name
;
3380 struct port
*port
= port_lookup(m
->bridge
, name
);
3382 out_ports
[n_out_ports
++] = port
;
3384 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3385 "port %s", m
->bridge
->name
, m
->name
, name
);
3388 *out_portsp
= out_ports
;
3389 *n_out_portsp
= n_out_ports
;
3393 mirror_configure(struct mirror
*m
)
3395 const struct ovsrec_mirror
*cfg
= m
->cfg
;
3396 struct ofproto_mirror_settings s
;
3399 if (strcmp(cfg
->name
, m
->name
)) {
3401 m
->name
= xstrdup(cfg
->name
);
3405 /* Get output port or VLAN. */
3406 if (cfg
->output_port
) {
3407 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
3408 if (!s
.out_bundle
) {
3409 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3410 m
->bridge
->name
, m
->name
);
3413 s
.out_vlan
= UINT16_MAX
;
3415 if (cfg
->output_vlan
) {
3416 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3417 "output vlan; ignoring output vlan",
3418 m
->bridge
->name
, m
->name
);
3420 } else if (cfg
->output_vlan
) {
3421 /* The database should prevent invalid VLAN values. */
3422 s
.out_bundle
= NULL
;
3423 s
.out_vlan
= *cfg
->output_vlan
;
3425 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3426 m
->bridge
->name
, m
->name
);
3430 /* Get port selection. */
3431 if (cfg
->select_all
) {
3432 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
3433 void **ports
= xmalloc(n_ports
* sizeof *ports
);
3438 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
3448 /* Get ports, dropping ports that don't exist.
3449 * The IDL ensures that there are no duplicates. */
3450 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
3451 &s
.srcs
, &s
.n_srcs
);
3452 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
3453 &s
.dsts
, &s
.n_dsts
);
3456 /* Get VLAN selection. */
3457 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
3460 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
3463 if (s
.srcs
!= s
.dsts
) {
3472 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3474 * This is deprecated. It is only for compatibility with broken device drivers
3475 * in old versions of Linux that do not properly support VLANs when VLAN
3476 * devices are not used. When broken device drivers are no longer in
3477 * widespread use, we will delete these interfaces. */
3479 static void **blocks
;
3480 static size_t n_blocks
, allocated_blocks
;
3482 /* Adds 'block' to a list of blocks that have to be freed with free() when the
3483 * VLAN splinters are reconfigured. */
3485 register_block(void *block
)
3487 if (n_blocks
>= allocated_blocks
) {
3488 blocks
= x2nrealloc(blocks
, &allocated_blocks
, sizeof *blocks
);
3490 blocks
[n_blocks
++] = block
;
3493 /* Frees all of the blocks registered with register_block(). */
3495 free_registered_blocks(void)
3499 for (i
= 0; i
< n_blocks
; i
++) {
3505 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3508 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
3512 value
= ovsrec_interface_get_other_config_value(iface_cfg
,
3513 "enable-vlan-splinters",
3515 return !strcmp(value
, "true");
3518 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3521 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3522 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3523 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3526 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3527 * use, returns NULL.
3529 * Updates 'vlan_splinters_enabled_anywhere'. */
3530 static unsigned long int *
3531 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
3533 unsigned long int *splinter_vlans
;
3534 struct sset splinter_ifaces
;
3535 const char *real_dev_name
;
3536 struct shash
*real_devs
;
3537 struct shash_node
*node
;
3541 /* Free space allocated for synthesized ports and interfaces, since we're
3542 * in the process of reconstructing all of them. */
3543 free_registered_blocks();
3545 splinter_vlans
= bitmap_allocate(4096);
3546 sset_init(&splinter_ifaces
);
3547 vlan_splinters_enabled_anywhere
= false;
3548 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
3549 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
3552 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
3553 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
3556 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
3557 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
3559 if (vlan_splinters_is_enabled(iface_cfg
)) {
3560 vlan_splinters_enabled_anywhere
= true;
3561 sset_add(&splinter_ifaces
, iface_cfg
->name
);
3562 vlan_bitmap_from_array__(port_cfg
->trunks
,
3568 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
3569 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
3574 if (!vlan_splinters_enabled_anywhere
) {
3575 free(splinter_vlans
);
3576 sset_destroy(&splinter_ifaces
);
3580 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3582 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
3586 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3587 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3588 * device to be created for it. */
3589 bitmap_set0(splinter_vlans
, 0);
3590 bitmap_set0(splinter_vlans
, 4095);
3592 /* Delete all VLAN devices that we don't need. */
3594 real_devs
= vlandev_get_real_devs();
3595 SHASH_FOR_EACH (node
, real_devs
) {
3596 const struct vlan_real_dev
*real_dev
= node
->data
;
3597 const struct vlan_dev
*vlan_dev
;
3598 bool real_dev_has_splinters
;
3600 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
3602 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
3603 if (!real_dev_has_splinters
3604 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
3605 struct netdev
*netdev
;
3607 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
3608 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
3609 !netdev_get_in6(netdev
, NULL
)) {
3610 vlandev_del(vlan_dev
->name
);
3612 /* It has an IP address configured, so we don't own
3613 * it. Don't delete it. */
3615 netdev_close(netdev
);
3622 /* Add all VLAN devices that we need. */
3623 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
3626 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
3627 if (!vlandev_get_name(real_dev_name
, vid
)) {
3628 vlandev_add(real_dev_name
, vid
);
3635 sset_destroy(&splinter_ifaces
);
3637 if (bitmap_scan(splinter_vlans
, 0, 4096) >= 4096) {
3638 free(splinter_vlans
);
3641 return splinter_vlans
;
3644 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3647 configure_splinter_port(struct port
*port
)
3649 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
3650 uint16_t realdev_ofp_port
;
3651 const char *realdev_name
;
3652 struct iface
*vlandev
, *realdev
;
3654 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
3656 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
3659 realdev_name
= ovsrec_port_get_other_config_value(port
->cfg
,
3661 realdev
= iface_lookup(port
->bridge
, realdev_name
);
3662 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
3664 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
3668 static struct ovsrec_port
*
3669 synthesize_splinter_port(const char *real_dev_name
,
3670 const char *vlan_dev_name
, int vid
)
3672 struct ovsrec_interface
*iface
;
3673 struct ovsrec_port
*port
;
3675 iface
= xzalloc(sizeof *iface
);
3676 iface
->name
= xstrdup(vlan_dev_name
);
3677 iface
->type
= "system";
3679 port
= xzalloc(sizeof *port
);
3680 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
3681 port
->n_interfaces
= 1;
3682 port
->name
= xstrdup(vlan_dev_name
);
3683 port
->vlan_mode
= "splinter";
3684 port
->tag
= xmalloc(sizeof *port
->tag
);
3686 port
->key_other_config
= xmalloc(sizeof *port
->key_other_config
);
3687 port
->key_other_config
[0] = "realdev";
3688 port
->value_other_config
= xmalloc(sizeof *port
->value_other_config
);
3689 port
->value_other_config
[0] = xstrdup(real_dev_name
);
3690 port
->n_other_config
= 1;
3692 register_block(iface
);
3693 register_block(iface
->name
);
3694 register_block(port
);
3695 register_block(port
->interfaces
);
3696 register_block(port
->name
);
3697 register_block(port
->tag
);
3698 register_block(port
->key_other_config
);
3699 register_block(port
->value_other_config
);
3700 register_block(port
->value_other_config
[0]);
3705 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3706 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3707 * 1-bit in the 'splinter_vlans' bitmap. */
3709 add_vlan_splinter_ports(struct bridge
*br
,
3710 const unsigned long int *splinter_vlans
,
3711 struct shash
*ports
)
3715 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3716 * we're modifying 'ports'. */
3717 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
3718 const char *name
= br
->cfg
->ports
[i
]->name
;
3719 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
3722 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
3723 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
3725 if (vlan_splinters_is_enabled(iface_cfg
)) {
3726 const char *real_dev_name
;
3729 real_dev_name
= iface_cfg
->name
;
3730 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
3731 const char *vlan_dev_name
;
3733 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
3735 && !shash_find(ports
, vlan_dev_name
)) {
3736 shash_add(ports
, vlan_dev_name
,
3737 synthesize_splinter_port(
3738 real_dev_name
, vlan_dev_name
, vid
));
3747 mirror_refresh_stats(struct mirror
*m
)
3749 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
3750 uint64_t tx_packets
, tx_bytes
;
3753 size_t stat_cnt
= 0;
3755 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
3756 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
3760 if (tx_packets
!= UINT64_MAX
) {
3761 keys
[stat_cnt
] = "tx_packets";
3762 values
[stat_cnt
] = tx_packets
;
3765 if (tx_bytes
!= UINT64_MAX
) {
3766 keys
[stat_cnt
] = "tx_bytes";
3767 values
[stat_cnt
] = tx_bytes
;
3771 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);