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 "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
;
81 struct uuid uuid
; /* UUID of this "mirror" record in database. */
82 struct hmap_node hmap_node
; /* In struct bridge's "mirrors" hmap. */
83 struct bridge
*bridge
;
85 const struct ovsrec_mirror
*cfg
;
89 struct bridge
*bridge
;
90 struct hmap_node hmap_node
; /* Element in struct bridge's "ports" hmap. */
93 const struct ovsrec_port
*cfg
;
95 /* An ordinary bridge port has 1 interface.
96 * A bridge port for bonding has at least 2 interfaces. */
97 struct list ifaces
; /* List of "struct iface"s. */
101 struct hmap_node node
; /* In 'all_bridges'. */
102 char *name
; /* User-specified arbitrary name. */
103 char *type
; /* Datapath type. */
104 uint8_t ea
[ETH_ADDR_LEN
]; /* Bridge Ethernet Address. */
105 uint8_t default_ea
[ETH_ADDR_LEN
]; /* Default MAC. */
106 const struct ovsrec_bridge
*cfg
;
108 /* OpenFlow switch processing. */
109 struct ofproto
*ofproto
; /* OpenFlow switch. */
112 struct hmap ports
; /* "struct port"s indexed by name. */
113 struct hmap ifaces
; /* "struct iface"s indexed by ofp_port. */
114 struct hmap iface_by_name
; /* "struct iface"s indexed by name. */
116 /* Port mirroring. */
117 struct hmap mirrors
; /* "struct mirror" indexed by UUID. */
119 /* Synthetic local port if necessary. */
120 struct ovsrec_port synth_local_port
;
121 struct ovsrec_interface synth_local_iface
;
122 struct ovsrec_interface
*synth_local_ifacep
;
125 /* All bridges, indexed by name. */
126 static struct hmap all_bridges
= HMAP_INITIALIZER(&all_bridges
);
128 /* OVSDB IDL used to obtain configuration. */
129 static struct ovsdb_idl
*idl
;
131 /* Each time this timer expires, the bridge fetches systems and interface
132 * statistics and pushes them into the database. */
133 #define STATS_INTERVAL (5 * 1000) /* In milliseconds. */
134 static long long int stats_timer
= LLONG_MIN
;
136 /* Stores the time after which rate limited statistics may be written to the
137 * database. Only updated when changes to the database require rate limiting.
139 #define DB_LIMIT_INTERVAL (1 * 1000) /* In milliseconds. */
140 static long long int db_limiter
= LLONG_MIN
;
142 static void add_del_bridges(const struct ovsrec_open_vswitch
*);
143 static void bridge_del_ofprotos(void);
144 static bool bridge_add_ofprotos(struct bridge
*);
145 static void bridge_create(const struct ovsrec_bridge
*);
146 static void bridge_destroy(struct bridge
*);
147 static struct bridge
*bridge_lookup(const char *name
);
148 static unixctl_cb_func bridge_unixctl_dump_flows
;
149 static unixctl_cb_func bridge_unixctl_reconnect
;
150 static size_t bridge_get_controllers(const struct bridge
*br
,
151 struct ovsrec_controller
***controllersp
);
152 static void bridge_add_del_ports(struct bridge
*,
153 const unsigned long int *splinter_vlans
);
154 static void bridge_add_ofproto_ports(struct bridge
*);
155 static void bridge_del_ofproto_ports(struct bridge
*);
156 static void bridge_refresh_ofp_port(struct bridge
*);
157 static void bridge_configure_datapath_id(struct bridge
*);
158 static void bridge_configure_flow_eviction_threshold(struct bridge
*);
159 static void bridge_configure_netflow(struct bridge
*);
160 static void bridge_configure_forward_bpdu(struct bridge
*);
161 static void bridge_configure_mac_idle_time(struct bridge
*);
162 static void bridge_configure_sflow(struct bridge
*, int *sflow_bridge_number
);
163 static void bridge_configure_stp(struct bridge
*);
164 static void bridge_configure_tables(struct bridge
*);
165 static void bridge_configure_remotes(struct bridge
*,
166 const struct sockaddr_in
*managers
,
168 static void bridge_pick_local_hw_addr(struct bridge
*,
169 uint8_t ea
[ETH_ADDR_LEN
],
170 struct iface
**hw_addr_iface
);
171 static uint64_t bridge_pick_datapath_id(struct bridge
*,
172 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
173 struct iface
*hw_addr_iface
);
174 static const char *bridge_get_other_config(const struct ovsrec_bridge
*,
176 static const char *get_port_other_config(const struct ovsrec_port
*,
178 const char *default_value
);
179 static uint64_t dpid_from_hash(const void *, size_t nbytes
);
180 static bool bridge_has_bond_fake_iface(const struct bridge
*,
182 static bool port_is_bond_fake_iface(const struct port
*);
184 static unixctl_cb_func qos_unixctl_show
;
186 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
187 static void port_add_ifaces(struct port
*);
188 static void port_del_ifaces(struct port
*);
189 static void port_destroy(struct port
*);
190 static struct port
*port_lookup(const struct bridge
*, const char *name
);
191 static void port_configure(struct port
*);
192 static struct lacp_settings
*port_configure_lacp(struct port
*,
193 struct lacp_settings
*);
194 static void port_configure_bond(struct port
*, struct bond_settings
*,
195 uint32_t *bond_stable_ids
);
196 static bool port_is_synthetic(const struct port
*);
198 static void bridge_configure_mirrors(struct bridge
*);
199 static struct mirror
*mirror_create(struct bridge
*,
200 const struct ovsrec_mirror
*);
201 static void mirror_destroy(struct mirror
*);
202 static bool mirror_configure(struct mirror
*);
203 static void mirror_refresh_stats(struct mirror
*);
205 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
206 static struct iface
*iface_create(struct port
*port
,
207 const struct ovsrec_interface
*if_cfg
);
208 static void iface_destroy(struct iface
*);
209 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
210 static struct iface
*iface_find(const char *name
);
211 static struct iface
*iface_from_ofp_port(const struct bridge
*,
213 static void iface_set_mac(struct iface
*);
214 static void iface_set_ofport(const struct ovsrec_interface
*, int64_t ofport
);
215 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
);
216 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
217 static void iface_configure_cfm(struct iface
*);
218 static void iface_refresh_cfm_stats(struct iface
*);
219 static void iface_refresh_stats(struct iface
*);
220 static void iface_refresh_status(struct iface
*);
221 static bool iface_is_synthetic(const struct iface
*);
222 static const char *get_interface_other_config(const struct ovsrec_interface
*,
224 const char *default_value
);
226 static void shash_from_ovs_idl_map(char **keys
, char **values
, size_t n
,
228 static void shash_to_ovs_idl_map(struct shash
*,
229 char ***keys
, char ***values
, size_t *n
);
231 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
233 * This is deprecated. It is only for compatibility with broken device drivers
234 * in old versions of Linux that do not properly support VLANs when VLAN
235 * devices are not used. When broken device drivers are no longer in
236 * widespread use, we will delete these interfaces. */
238 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
239 static bool vlan_splinters_enabled_anywhere
;
241 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
242 static unsigned long int *collect_splinter_vlans(
243 const struct ovsrec_open_vswitch
*);
244 static void configure_splinter_port(struct port
*);
245 static void add_vlan_splinter_ports(struct bridge
*,
246 const unsigned long int *splinter_vlans
,
247 struct shash
*ports
);
249 /* Public functions. */
251 /* Initializes the bridge module, configuring it to obtain its configuration
252 * from an OVSDB server accessed over 'remote', which should be a string in a
253 * form acceptable to ovsdb_idl_create(). */
255 bridge_init(const char *remote
)
257 /* Create connection to database. */
258 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true);
259 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
261 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
262 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
263 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
264 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
265 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
266 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
267 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
269 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
270 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
271 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
273 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
274 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
275 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
276 ovsdb_idl_omit(idl
, &ovsrec_port_col_fake_bridge
);
278 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
279 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
280 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
281 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
282 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
283 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
284 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
285 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
286 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
287 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
288 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
289 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
290 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
291 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
293 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
294 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
295 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
296 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
298 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
300 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
302 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
303 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
305 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
307 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
309 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
310 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
311 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
312 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
313 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
315 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
317 /* Register unixctl commands. */
318 unixctl_command_register("qos/show", "interface", 1, 1,
319 qos_unixctl_show
, NULL
);
320 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
321 bridge_unixctl_dump_flows
, NULL
);
322 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
323 bridge_unixctl_reconnect
, NULL
);
333 struct bridge
*br
, *next_br
;
335 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
338 ovsdb_idl_destroy(idl
);
341 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
342 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
343 * responsible for freeing '*managersp' (with free()).
345 * You may be asking yourself "why does ovs-vswitchd care?", because
346 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
347 * should not be and in fact is not directly involved in that. But
348 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
349 * it has to tell in-band control where the managers are to enable that.
350 * (Thus, only managers connected in-band are collected.)
353 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
354 struct sockaddr_in
**managersp
, size_t *n_managersp
)
356 struct sockaddr_in
*managers
= NULL
;
357 size_t n_managers
= 0;
361 /* Collect all of the potential targets from the "targets" columns of the
362 * rows pointed to by "manager_options", excluding any that are
365 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
366 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
368 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
369 sset_find_and_delete(&targets
, m
->target
);
371 sset_add(&targets
, m
->target
);
375 /* Now extract the targets' IP addresses. */
376 if (!sset_is_empty(&targets
)) {
379 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
380 SSET_FOR_EACH (target
, &targets
) {
381 struct sockaddr_in
*sin
= &managers
[n_managers
];
383 if (stream_parse_target_with_default_ports(target
,
391 sset_destroy(&targets
);
393 *managersp
= managers
;
394 *n_managersp
= n_managers
;
398 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
400 unsigned long int *splinter_vlans
;
401 struct sockaddr_in
*managers
;
402 struct bridge
*br
, *next
;
403 int sflow_bridge_number
;
406 COVERAGE_INC(bridge_reconfigure
);
408 /* Create and destroy "struct bridge"s, "struct port"s, and "struct
409 * iface"s according to 'ovs_cfg', with only very minimal configuration
412 * This is mostly an update to bridge data structures. Very little is
413 * pushed down to ofproto or lower layers. */
414 add_del_bridges(ovs_cfg
);
415 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
416 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
417 bridge_add_del_ports(br
, splinter_vlans
);
419 free(splinter_vlans
);
421 /* Delete all datapaths and datapath ports that are no longer configured.
423 * The kernel will reject any attempt to add a given port to a datapath if
424 * that port already belongs to a different datapath, so we must do all
425 * port deletions before any port additions. A datapath always has a
426 * "local port" so we must delete not-configured datapaths too. */
427 bridge_del_ofprotos();
428 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
430 bridge_del_ofproto_ports(br
);
434 /* Create datapaths and datapath ports that are missing.
436 * After this is done, we have our final set of bridges, ports, and
437 * interfaces. Every "struct bridge" has an ofproto, every "struct port"
438 * has at least one iface, every "struct iface" has a valid ofp_port and
440 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
442 if (bridge_add_ofprotos(br
)) {
443 bridge_del_ofproto_ports(br
);
449 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
450 bridge_refresh_ofp_port(br
);
451 bridge_add_ofproto_ports(br
);
454 /* Complete the configuration. */
455 sflow_bridge_number
= 0;
456 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
457 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
460 /* We need the datapath ID early to allow LACP ports to use it as the
461 * default system ID. */
462 bridge_configure_datapath_id(br
);
464 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
467 port_configure(port
);
469 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
470 iface_configure_cfm(iface
);
471 iface_configure_qos(iface
, port
->cfg
->qos
);
472 iface_set_mac(iface
);
475 bridge_configure_mirrors(br
);
476 bridge_configure_flow_eviction_threshold(br
);
477 bridge_configure_forward_bpdu(br
);
478 bridge_configure_mac_idle_time(br
);
479 bridge_configure_remotes(br
, managers
, n_managers
);
480 bridge_configure_netflow(br
);
481 bridge_configure_sflow(br
, &sflow_bridge_number
);
482 bridge_configure_stp(br
);
483 bridge_configure_tables(br
);
487 /* ovs-vswitchd has completed initialization, so allow the process that
488 * forked us to exit successfully. */
489 daemonize_complete();
492 /* Iterate over all ofprotos and delete any of them that do not have a
493 * configured bridge or that are the wrong type. */
495 bridge_del_ofprotos(void)
503 ofproto_enumerate_types(&types
);
504 SSET_FOR_EACH (type
, &types
) {
507 ofproto_enumerate_names(type
, &names
);
508 SSET_FOR_EACH (name
, &names
) {
509 struct bridge
*br
= bridge_lookup(name
);
510 if (!br
|| strcmp(type
, br
->type
)) {
511 ofproto_delete(name
, type
);
515 sset_destroy(&names
);
516 sset_destroy(&types
);
520 bridge_add_ofprotos(struct bridge
*br
)
522 int error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
524 VLOG_ERR("failed to create bridge %s: %s", br
->name
, strerror(error
));
531 port_configure(struct port
*port
)
533 const struct ovsrec_port
*cfg
= port
->cfg
;
534 struct bond_settings bond_settings
;
535 struct lacp_settings lacp_settings
;
536 struct ofproto_bundle_settings s
;
539 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
540 configure_splinter_port(port
);
549 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
550 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
551 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
556 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
560 /* Get VLAN trunks. */
563 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
567 if (cfg
->vlan_mode
) {
568 if (!strcmp(cfg
->vlan_mode
, "access")) {
569 s
.vlan_mode
= PORT_VLAN_ACCESS
;
570 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
571 s
.vlan_mode
= PORT_VLAN_TRUNK
;
572 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
573 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
574 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
575 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
577 /* This "can't happen" because ovsdb-server should prevent it. */
578 VLOG_ERR("unknown VLAN mode %s", cfg
->vlan_mode
);
579 s
.vlan_mode
= PORT_VLAN_TRUNK
;
583 s
.vlan_mode
= PORT_VLAN_ACCESS
;
585 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
589 s
.vlan_mode
= PORT_VLAN_TRUNK
;
592 s
.use_priority_tags
= !strcmp("true", get_port_other_config(
593 cfg
, "priority-tags", ""));
595 /* Get LACP settings. */
596 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
600 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
601 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
602 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
605 s
.lacp_slaves
= NULL
;
608 /* Get bond settings. */
609 if (s
.n_slaves
> 1) {
610 s
.bond
= &bond_settings
;
611 s
.bond_stable_ids
= xmalloc(s
.n_slaves
* sizeof *s
.bond_stable_ids
);
612 port_configure_bond(port
, &bond_settings
, s
.bond_stable_ids
);
615 s
.bond_stable_ids
= NULL
;
617 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
618 netdev_set_miimon_interval(iface
->netdev
, 0);
623 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
629 free(s
.bond_stable_ids
);
632 /* Pick local port hardware address and datapath ID for 'br'. */
634 bridge_configure_datapath_id(struct bridge
*br
)
636 uint8_t ea
[ETH_ADDR_LEN
];
638 struct iface
*local_iface
;
639 struct iface
*hw_addr_iface
;
642 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
643 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
645 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
647 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
648 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
649 "Ethernet address: %s",
650 br
->name
, strerror(error
));
653 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
655 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
656 ofproto_set_datapath_id(br
->ofproto
, dpid
);
658 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
659 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
663 /* Set NetFlow configuration on 'br'. */
665 bridge_configure_netflow(struct bridge
*br
)
667 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
668 struct netflow_options opts
;
671 ofproto_set_netflow(br
->ofproto
, NULL
);
675 memset(&opts
, 0, sizeof opts
);
677 /* Get default NetFlow configuration from datapath.
678 * Apply overrides from 'cfg'. */
679 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
680 if (cfg
->engine_type
) {
681 opts
.engine_type
= *cfg
->engine_type
;
683 if (cfg
->engine_id
) {
684 opts
.engine_id
= *cfg
->engine_id
;
687 /* Configure active timeout interval. */
688 opts
.active_timeout
= cfg
->active_timeout
;
689 if (!opts
.active_timeout
) {
690 opts
.active_timeout
= -1;
691 } else if (opts
.active_timeout
< 0) {
692 VLOG_WARN("bridge %s: active timeout interval set to negative "
693 "value, using default instead (%d seconds)", br
->name
,
694 NF_ACTIVE_TIMEOUT_DEFAULT
);
695 opts
.active_timeout
= -1;
698 /* Add engine ID to interface number to disambiguate bridgs? */
699 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
700 if (opts
.add_id_to_iface
) {
701 if (opts
.engine_id
> 0x7f) {
702 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
703 "another vswitch, choose an engine id less than 128",
706 if (hmap_count(&br
->ports
) > 508) {
707 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
708 "another port when more than 508 ports are used",
714 sset_init(&opts
.collectors
);
715 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
718 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
719 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
721 sset_destroy(&opts
.collectors
);
724 /* Set sFlow configuration on 'br'. */
726 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
728 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
729 struct ovsrec_controller
**controllers
;
730 struct ofproto_sflow_options oso
;
731 size_t n_controllers
;
735 ofproto_set_sflow(br
->ofproto
, NULL
);
739 memset(&oso
, 0, sizeof oso
);
741 sset_init(&oso
.targets
);
742 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
744 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
746 oso
.sampling_rate
= *cfg
->sampling
;
749 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
751 oso
.polling_interval
= *cfg
->polling
;
754 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
756 oso
.header_len
= *cfg
->header
;
759 oso
.sub_id
= (*sflow_bridge_number
)++;
760 oso
.agent_device
= cfg
->agent
;
762 oso
.control_ip
= NULL
;
763 n_controllers
= bridge_get_controllers(br
, &controllers
);
764 for (i
= 0; i
< n_controllers
; i
++) {
765 if (controllers
[i
]->local_ip
) {
766 oso
.control_ip
= controllers
[i
]->local_ip
;
770 ofproto_set_sflow(br
->ofproto
, &oso
);
772 sset_destroy(&oso
.targets
);
776 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
777 struct ofproto_port_stp_settings
*port_s
,
778 int *port_num_counter
, unsigned long *port_num_bitmap
)
780 const char *config_str
;
783 config_str
= get_port_other_config(port
->cfg
, "stp-enable", NULL
);
784 if (config_str
&& !strcmp(config_str
, "false")) {
785 port_s
->enable
= false;
788 port_s
->enable
= true;
791 /* STP over bonds is not supported. */
792 if (!list_is_singleton(&port
->ifaces
)) {
793 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
795 port_s
->enable
= false;
799 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
801 /* Internal ports shouldn't participate in spanning tree, so
803 if (!strcmp(iface
->type
, "internal")) {
804 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
805 port_s
->enable
= false;
809 /* STP on mirror output ports is not supported. */
810 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
811 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
812 port_s
->enable
= false;
816 config_str
= get_port_other_config(port
->cfg
, "stp-port-num", NULL
);
818 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
819 int port_idx
= port_num
- 1;
821 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
822 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
823 port_s
->enable
= false;
827 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
828 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
829 port
->name
, port_num
);
830 port_s
->enable
= false;
833 bitmap_set1(port_num_bitmap
, port_idx
);
834 port_s
->port_num
= port_idx
;
836 if (*port_num_counter
> STP_MAX_PORTS
) {
837 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
838 port_s
->enable
= false;
842 port_s
->port_num
= (*port_num_counter
)++;
845 config_str
= get_port_other_config(port
->cfg
, "stp-path-cost", NULL
);
847 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
849 enum netdev_features current
;
851 if (netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
)) {
852 /* Couldn't get speed, so assume 100Mb/s. */
853 port_s
->path_cost
= 19;
857 mbps
= netdev_features_to_bps(current
) / 1000000;
858 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
862 config_str
= get_port_other_config(port
->cfg
, "stp-port-priority", NULL
);
864 port_s
->priority
= strtoul(config_str
, NULL
, 0);
866 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
870 /* Set spanning tree configuration on 'br'. */
872 bridge_configure_stp(struct bridge
*br
)
874 if (!br
->cfg
->stp_enable
) {
875 ofproto_set_stp(br
->ofproto
, NULL
);
877 struct ofproto_stp_settings br_s
;
878 const char *config_str
;
880 int port_num_counter
;
881 unsigned long *port_num_bitmap
;
883 config_str
= bridge_get_other_config(br
->cfg
, "stp-system-id");
885 uint8_t ea
[ETH_ADDR_LEN
];
887 if (eth_addr_from_string(config_str
, ea
)) {
888 br_s
.system_id
= eth_addr_to_uint64(ea
);
890 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
891 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
892 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
895 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
898 config_str
= bridge_get_other_config(br
->cfg
, "stp-priority");
900 br_s
.priority
= strtoul(config_str
, NULL
, 0);
902 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
905 config_str
= bridge_get_other_config(br
->cfg
, "stp-hello-time");
907 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
909 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
912 config_str
= bridge_get_other_config(br
->cfg
, "stp-max-age");
914 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
916 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
919 config_str
= bridge_get_other_config(br
->cfg
, "stp-forward-delay");
921 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
923 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
926 /* Configure STP on the bridge. */
927 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
928 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
932 /* Users must either set the port number with the "stp-port-num"
933 * configuration on all ports or none. If manual configuration
934 * is not done, then we allocate them sequentially. */
935 port_num_counter
= 0;
936 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
937 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
938 struct ofproto_port_stp_settings port_s
;
941 port_configure_stp(br
->ofproto
, port
, &port_s
,
942 &port_num_counter
, port_num_bitmap
);
944 /* As bonds are not supported, just apply configuration to
946 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
947 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
949 VLOG_ERR("port %s: could not enable STP", port
->name
);
955 if (bitmap_scan(port_num_bitmap
, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
956 && port_num_counter
) {
957 VLOG_ERR("bridge %s: must manually configure all STP port "
958 "IDs or none, disabling", br
->name
);
959 ofproto_set_stp(br
->ofproto
, NULL
);
961 bitmap_free(port_num_bitmap
);
966 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
968 const struct port
*port
= port_lookup(br
, name
);
969 return port
&& port_is_bond_fake_iface(port
);
973 port_is_bond_fake_iface(const struct port
*port
)
975 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
979 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
981 struct bridge
*br
, *next
;
985 /* Collect new bridges' names and types. */
987 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
988 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
989 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
991 if (strchr(br_cfg
->name
, '/')) {
992 /* Prevent remote ovsdb-server users from accessing arbitrary
993 * directories, e.g. consider a bridge named "../../../etc/". */
994 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
996 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
997 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1001 /* Get rid of deleted bridges or those whose types have changed.
1002 * Update 'cfg' of bridges that still exist. */
1003 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1004 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1005 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1006 br
->cfg
->datapath_type
))) {
1011 /* Add new bridges. */
1012 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1013 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1014 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1016 bridge_create(br_cfg
);
1020 shash_destroy(&new_br
);
1023 /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct
1026 * The kernel will reject any attempt to add a given port to a datapath if that
1027 * port already belongs to a different datapath, so we must do all port
1028 * deletions before any port additions. */
1030 bridge_del_ofproto_ports(struct bridge
*br
)
1032 struct ofproto_port_dump dump
;
1033 struct ofproto_port ofproto_port
;
1035 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
1036 const char *name
= ofproto_port
.name
;
1037 struct iface
*iface
;
1041 /* Ignore the local port. We can't change it anyhow. */
1042 if (!strcmp(name
, br
->name
)) {
1046 /* Get the type that 'ofproto_port' should have (ordinarily the
1047 * type of its corresponding iface) or NULL if it should be
1049 iface
= iface_lookup(br
, name
);
1050 type
= (iface
? iface
->type
1051 : bridge_has_bond_fake_iface(br
, name
) ? "internal"
1054 /* If it's the wrong type then delete the ofproto port. */
1056 && !strcmp(ofproto_port
.type
, type
)
1057 && (!iface
|| !iface
->netdev
1058 || !strcmp(netdev_get_type(iface
->netdev
), type
))) {
1061 error
= ofproto_port_del(br
->ofproto
, ofproto_port
.ofp_port
);
1063 VLOG_WARN("bridge %s: failed to remove %s interface (%s)",
1064 br
->name
, name
, strerror(error
));
1067 netdev_close(iface
->netdev
);
1068 iface
->netdev
= NULL
;
1074 iface_set_ofp_port(struct iface
*iface
, int ofp_port
)
1076 struct bridge
*br
= iface
->port
->bridge
;
1078 assert(iface
->ofp_port
< 0 && ofp_port
>= 0);
1079 iface
->ofp_port
= ofp_port
;
1080 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
, hash_int(ofp_port
, 0));
1081 iface_set_ofport(iface
->cfg
, ofp_port
);
1085 bridge_refresh_ofp_port(struct bridge
*br
)
1087 struct ofproto_port_dump dump
;
1088 struct ofproto_port ofproto_port
;
1091 /* Clear all the "ofp_port"es. */
1092 hmap_clear(&br
->ifaces
);
1093 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1094 struct iface
*iface
;
1096 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1097 iface
->ofp_port
= -1;
1101 /* Obtain the correct "ofp_port"s from ofproto. */
1102 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
1103 struct iface
*iface
= iface_lookup(br
, ofproto_port
.name
);
1105 if (iface
->ofp_port
>= 0) {
1106 VLOG_WARN("bridge %s: interface %s reported twice",
1107 br
->name
, ofproto_port
.name
);
1108 } else if (iface_from_ofp_port(br
, ofproto_port
.ofp_port
)) {
1109 VLOG_WARN("bridge %s: interface %"PRIu16
" reported twice",
1110 br
->name
, ofproto_port
.ofp_port
);
1112 iface_set_ofp_port(iface
, ofproto_port
.ofp_port
);
1118 /* Add an ofproto port for any "struct iface" that doesn't have one.
1119 * Delete any "struct iface" for which this fails.
1120 * Delete any "struct port" that thereby ends up with no ifaces. */
1122 bridge_add_ofproto_ports(struct bridge
*br
)
1124 struct port
*port
, *next_port
;
1126 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
1127 struct iface
*iface
, *next_iface
;
1128 struct ofproto_port ofproto_port
;
1130 LIST_FOR_EACH_SAFE (iface
, next_iface
, port_elem
, &port
->ifaces
) {
1133 /* Open the netdev. */
1134 if (!iface
->netdev
) {
1135 error
= netdev_open(iface
->name
, iface
->type
, &iface
->netdev
);
1137 VLOG_WARN("could not open network device %s (%s)",
1138 iface
->name
, strerror(error
));
1142 && port
->cfg
->vlan_mode
1143 && !strcmp(port
->cfg
->vlan_mode
, "splinter")) {
1144 netdev_turn_flags_on(iface
->netdev
, NETDEV_UP
, true);
1150 /* Configure the netdev. */
1151 if (iface
->netdev
) {
1155 shash_from_ovs_idl_map(iface
->cfg
->key_options
,
1156 iface
->cfg
->value_options
,
1157 iface
->cfg
->n_options
, &args
);
1158 error
= netdev_set_config(iface
->netdev
, &args
);
1159 shash_destroy(&args
);
1162 VLOG_WARN("could not configure network device %s (%s)",
1163 iface
->name
, strerror(error
));
1164 netdev_close(iface
->netdev
);
1165 iface
->netdev
= NULL
;
1169 /* Add the port, if necessary. */
1170 if (iface
->netdev
&& iface
->ofp_port
< 0) {
1174 error
= ofproto_port_add(br
->ofproto
, iface
->netdev
,
1177 iface_set_ofp_port(iface
, ofp_port
);
1179 netdev_close(iface
->netdev
);
1180 iface
->netdev
= NULL
;
1184 /* Populate stats columns in new Interface rows. */
1185 if (iface
->netdev
&& !iface
->cfg
->mtu
) {
1186 iface_refresh_stats(iface
);
1187 iface_refresh_status(iface
);
1190 /* Delete the iface if we failed. */
1191 if (iface
->netdev
&& iface
->ofp_port
>= 0) {
1192 VLOG_DBG("bridge %s: interface %s is on port %d",
1193 br
->name
, iface
->name
, iface
->ofp_port
);
1195 if (iface
->netdev
) {
1196 VLOG_ERR("bridge %s: missing %s interface, dropping",
1197 br
->name
, iface
->name
);
1199 /* We already reported a related error, don't bother
1200 * duplicating it. */
1202 iface_clear_db_record(iface
->cfg
);
1203 iface_destroy(iface
);
1206 if (list_is_empty(&port
->ifaces
)) {
1207 VLOG_WARN("%s port has no interfaces, dropping", port
->name
);
1212 /* Add bond fake iface if necessary. */
1213 if (port_is_bond_fake_iface(port
)) {
1214 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1216 struct netdev
*netdev
;
1219 error
= netdev_open(port
->name
, "internal", &netdev
);
1221 ofproto_port_add(br
->ofproto
, netdev
, NULL
);
1222 netdev_close(netdev
);
1224 VLOG_WARN("could not open network device %s (%s)",
1225 port
->name
, strerror(error
));
1228 /* Already exists, nothing to do. */
1229 ofproto_port_destroy(&ofproto_port
);
1236 get_ovsrec_key_value(char **keys
, char **values
, size_t n
, const char *key
)
1240 for (i
= 0; i
< n
; i
++) {
1241 if (!strcmp(keys
[i
], key
)) {
1249 bridge_get_other_config(const struct ovsrec_bridge
*br_cfg
, const char *key
)
1251 return get_ovsrec_key_value(br_cfg
->key_other_config
,
1252 br_cfg
->value_other_config
,
1253 br_cfg
->n_other_config
, key
);
1256 /* Set Flow eviction threshold */
1258 bridge_configure_flow_eviction_threshold(struct bridge
*br
)
1260 const char *threshold_str
;
1263 threshold_str
= bridge_get_other_config(br
->cfg
, "flow-eviction-threshold");
1264 if (threshold_str
) {
1265 threshold
= strtoul(threshold_str
, NULL
, 10);
1267 threshold
= OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT
;
1269 ofproto_set_flow_eviction_threshold(br
->ofproto
, threshold
);
1272 /* Set forward BPDU option. */
1274 bridge_configure_forward_bpdu(struct bridge
*br
)
1276 const char *forward_bpdu_str
;
1277 bool forward_bpdu
= false;
1279 forward_bpdu_str
= bridge_get_other_config(br
->cfg
, "forward-bpdu");
1280 if (forward_bpdu_str
&& !strcmp(forward_bpdu_str
, "true")) {
1281 forward_bpdu
= true;
1283 ofproto_set_forward_bpdu(br
->ofproto
, forward_bpdu
);
1286 /* Set MAC aging time for 'br'. */
1288 bridge_configure_mac_idle_time(struct bridge
*br
)
1290 const char *idle_time_str
;
1293 idle_time_str
= bridge_get_other_config(br
->cfg
, "mac-aging-time");
1294 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1295 ? atoi(idle_time_str
)
1296 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1297 ofproto_set_mac_idle_time(br
->ofproto
, idle_time
);
1301 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1302 struct iface
**hw_addr_iface
)
1304 struct hmapx mirror_output_ports
;
1307 bool found_addr
= false;
1311 *hw_addr_iface
= NULL
;
1313 /* Did the user request a particular MAC? */
1314 hwaddr
= bridge_get_other_config(br
->cfg
, "hwaddr");
1315 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
1316 if (eth_addr_is_multicast(ea
)) {
1317 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1318 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1319 } else if (eth_addr_is_zero(ea
)) {
1320 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
1326 /* Mirror output ports don't participate in picking the local hardware
1327 * address. ofproto can't help us find out whether a given port is a
1328 * mirror output because we haven't configured mirrors yet, so we need to
1329 * accumulate them ourselves. */
1330 hmapx_init(&mirror_output_ports
);
1331 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1332 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1333 if (m
->output_port
) {
1334 hmapx_add(&mirror_output_ports
, m
->output_port
);
1338 /* Otherwise choose the minimum non-local MAC address among all of the
1340 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1341 uint8_t iface_ea
[ETH_ADDR_LEN
];
1342 struct iface
*candidate
;
1343 struct iface
*iface
;
1345 /* Mirror output ports don't participate. */
1346 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1350 /* Choose the MAC address to represent the port. */
1352 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1353 /* Find the interface with this Ethernet address (if any) so that
1354 * we can provide the correct devname to the caller. */
1355 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1356 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1357 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1358 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1363 /* Choose the interface whose MAC address will represent the port.
1364 * The Linux kernel bonding code always chooses the MAC address of
1365 * the first slave added to a bond, and the Fedora networking
1366 * scripts always add slaves to a bond in alphabetical order, so
1367 * for compatibility we choose the interface with the name that is
1368 * first in alphabetical order. */
1369 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1370 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1375 /* The local port doesn't count (since we're trying to choose its
1376 * MAC address anyway). */
1377 if (iface
->ofp_port
== OFPP_LOCAL
) {
1382 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
1388 /* Compare against our current choice. */
1389 if (!eth_addr_is_multicast(iface_ea
) &&
1390 !eth_addr_is_local(iface_ea
) &&
1391 !eth_addr_is_reserved(iface_ea
) &&
1392 !eth_addr_is_zero(iface_ea
) &&
1393 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
1395 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
1396 *hw_addr_iface
= iface
;
1401 VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT
,
1402 br
->name
, ETH_ADDR_ARGS(ea
));
1404 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
1405 *hw_addr_iface
= NULL
;
1406 VLOG_WARN("bridge %s: using default bridge Ethernet "
1407 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1410 hmapx_destroy(&mirror_output_ports
);
1413 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1414 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1415 * an interface on 'br', then that interface must be passed in as
1416 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1417 * 'hw_addr_iface' must be passed in as a null pointer. */
1419 bridge_pick_datapath_id(struct bridge
*br
,
1420 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
1421 struct iface
*hw_addr_iface
)
1424 * The procedure for choosing a bridge MAC address will, in the most
1425 * ordinary case, also choose a unique MAC that we can use as a datapath
1426 * ID. In some special cases, though, multiple bridges will end up with
1427 * the same MAC address. This is OK for the bridges, but it will confuse
1428 * the OpenFlow controller, because each datapath needs a unique datapath
1431 * Datapath IDs must be unique. It is also very desirable that they be
1432 * stable from one run to the next, so that policy set on a datapath
1435 const char *datapath_id
;
1438 datapath_id
= bridge_get_other_config(br
->cfg
, "datapath-id");
1439 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
1443 if (!hw_addr_iface
) {
1445 * A purely internal bridge, that is, one that has no non-virtual
1446 * network devices on it at all, is difficult because it has no
1447 * natural unique identifier at all.
1449 * When the host is a XenServer, we handle this case by hashing the
1450 * host's UUID with the name of the bridge. Names of bridges are
1451 * persistent across XenServer reboots, although they can be reused if
1452 * an internal network is destroyed and then a new one is later
1453 * created, so this is fairly effective.
1455 * When the host is not a XenServer, we punt by using a random MAC
1456 * address on each run.
1458 const char *host_uuid
= xenserver_get_host_uuid();
1460 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
1461 dpid
= dpid_from_hash(combined
, strlen(combined
));
1467 return eth_addr_to_uint64(bridge_ea
);
1471 dpid_from_hash(const void *data
, size_t n
)
1473 uint8_t hash
[SHA1_DIGEST_SIZE
];
1475 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
1476 sha1_bytes(data
, n
, hash
);
1477 eth_addr_mark_random(hash
);
1478 return eth_addr_to_uint64(hash
);
1482 iface_refresh_status(struct iface
*iface
)
1486 enum netdev_features current
;
1487 enum netdev_flags flags
;
1493 if (iface_is_synthetic(iface
)) {
1499 if (!netdev_get_status(iface
->netdev
, &sh
)) {
1501 char **keys
, **values
;
1503 shash_to_ovs_idl_map(&sh
, &keys
, &values
, &n
);
1504 ovsrec_interface_set_status(iface
->cfg
, keys
, values
, n
);
1509 ovsrec_interface_set_status(iface
->cfg
, NULL
, NULL
, 0);
1512 shash_destroy_free_data(&sh
);
1514 error
= netdev_get_flags(iface
->netdev
, &flags
);
1516 ovsrec_interface_set_admin_state(iface
->cfg
, flags
& NETDEV_UP
? "up" : "down");
1519 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
1522 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1524 ovsrec_interface_set_duplex(iface
->cfg
,
1525 netdev_features_is_full_duplex(current
)
1527 /* warning: uint64_t -> int64_t conversion */
1528 bps
= netdev_features_to_bps(current
);
1529 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
1532 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
1533 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
1536 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
1539 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
1542 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
1546 /* Writes 'iface''s CFM statistics to the database. */
1548 iface_refresh_cfm_stats(struct iface
*iface
)
1550 const struct ovsrec_interface
*cfg
= iface
->cfg
;
1552 const uint64_t *rmps
;
1555 if (iface_is_synthetic(iface
)) {
1559 fault
= ofproto_port_get_cfm_fault(iface
->port
->bridge
->ofproto
,
1562 const char *reasons
[CFM_FAULT_N_REASONS
];
1563 bool fault_bool
= fault
;
1567 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
1568 int reason
= 1 << i
;
1569 if (fault
& reason
) {
1570 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
1574 ovsrec_interface_set_cfm_fault(cfg
, &fault_bool
, 1);
1575 ovsrec_interface_set_cfm_fault_status(cfg
, (char **) reasons
, j
);
1577 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
1578 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
1581 error
= ofproto_port_get_cfm_remote_mpids(iface
->port
->bridge
->ofproto
,
1582 iface
->ofp_port
, &rmps
, &n_rmps
);
1584 ovsrec_interface_set_cfm_remote_mpids(cfg
, (const int64_t *)rmps
,
1587 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
1592 iface_refresh_stats(struct iface
*iface
)
1594 #define IFACE_STATS \
1595 IFACE_STAT(rx_packets, "rx_packets") \
1596 IFACE_STAT(tx_packets, "tx_packets") \
1597 IFACE_STAT(rx_bytes, "rx_bytes") \
1598 IFACE_STAT(tx_bytes, "tx_bytes") \
1599 IFACE_STAT(rx_dropped, "rx_dropped") \
1600 IFACE_STAT(tx_dropped, "tx_dropped") \
1601 IFACE_STAT(rx_errors, "rx_errors") \
1602 IFACE_STAT(tx_errors, "tx_errors") \
1603 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1604 IFACE_STAT(rx_over_errors, "rx_over_err") \
1605 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1606 IFACE_STAT(collisions, "collisions")
1608 #define IFACE_STAT(MEMBER, NAME) NAME,
1609 static char *keys
[] = { IFACE_STATS
};
1611 int64_t values
[ARRAY_SIZE(keys
)];
1614 struct netdev_stats stats
;
1616 if (iface_is_synthetic(iface
)) {
1620 /* Intentionally ignore return value, since errors will set 'stats' to
1621 * all-1s, and we will deal with that correctly below. */
1622 netdev_get_stats(iface
->netdev
, &stats
);
1624 /* Copy statistics into values[] array. */
1626 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1629 assert(i
== ARRAY_SIZE(keys
));
1631 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
, ARRAY_SIZE(keys
));
1636 br_refresh_stp_status(struct bridge
*br
)
1638 struct ofproto
*ofproto
= br
->ofproto
;
1639 struct ofproto_stp_status status
;
1640 char *keys
[3], *values
[3];
1643 if (ofproto_get_stp_status(ofproto
, &status
)) {
1647 if (!status
.enabled
) {
1648 ovsrec_bridge_set_status(br
->cfg
, NULL
, NULL
, 0);
1652 keys
[0] = "stp_bridge_id",
1653 values
[0] = xasprintf(STP_ID_FMT
, STP_ID_ARGS(status
.bridge_id
));
1654 keys
[1] = "stp_designated_root",
1655 values
[1] = xasprintf(STP_ID_FMT
, STP_ID_ARGS(status
.designated_root
));
1656 keys
[2] = "stp_root_path_cost",
1657 values
[2] = xasprintf("%d", status
.root_path_cost
);
1659 ovsrec_bridge_set_status(br
->cfg
, keys
, values
, ARRAY_SIZE(values
));
1661 for (i
= 0; i
< ARRAY_SIZE(values
); i
++) {
1667 port_refresh_stp_status(struct port
*port
)
1669 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
1670 struct iface
*iface
;
1671 struct ofproto_port_stp_status status
;
1673 char *str_values
[4];
1674 int64_t int_values
[3];
1677 if (port_is_synthetic(port
)) {
1681 /* STP doesn't currently support bonds. */
1682 if (!list_is_singleton(&port
->ifaces
)) {
1683 ovsrec_port_set_status(port
->cfg
, NULL
, NULL
, 0);
1687 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1689 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
1693 if (!status
.enabled
) {
1694 ovsrec_port_set_status(port
->cfg
, NULL
, NULL
, 0);
1695 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
1699 /* Set Status column. */
1700 keys
[0] = "stp_port_id";
1701 str_values
[0] = xasprintf(STP_PORT_ID_FMT
, status
.port_id
);
1702 keys
[1] = "stp_state";
1703 str_values
[1] = xstrdup(stp_state_name(status
.state
));
1704 keys
[2] = "stp_sec_in_state";
1705 str_values
[2] = xasprintf("%u", status
.sec_in_state
);
1706 keys
[3] = "stp_role";
1707 str_values
[3] = xstrdup(stp_role_name(status
.role
));
1709 ovsrec_port_set_status(port
->cfg
, keys
, str_values
,
1710 ARRAY_SIZE(str_values
));
1712 for (i
= 0; i
< ARRAY_SIZE(str_values
); i
++) {
1713 free(str_values
[i
]);
1716 /* Set Statistics column. */
1717 keys
[0] = "stp_tx_count";
1718 int_values
[0] = status
.tx_count
;
1719 keys
[1] = "stp_rx_count";
1720 int_values
[1] = status
.rx_count
;
1721 keys
[2] = "stp_error_count";
1722 int_values
[2] = status
.error_count
;
1724 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
1725 ARRAY_SIZE(int_values
));
1729 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
1733 /* Use other-config:enable-system-stats by preference. */
1734 enable
= get_ovsrec_key_value(cfg
->key_other_config
,
1735 cfg
->value_other_config
,
1736 cfg
->n_other_config
,
1737 "enable-statistics");
1739 return !strcmp(enable
, "true");
1742 /* Disable by default. */
1747 refresh_system_stats(const struct ovsrec_open_vswitch
*cfg
)
1749 struct ovsdb_datum datum
;
1753 if (enable_system_stats(cfg
)) {
1754 get_system_stats(&stats
);
1757 ovsdb_datum_from_shash(&datum
, &stats
);
1758 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
1762 static inline const char *
1763 nx_role_to_str(enum nx_role role
)
1768 case NX_ROLE_MASTER
:
1773 return "*** INVALID ROLE ***";
1778 refresh_controller_status(void)
1782 const struct ovsrec_controller
*cfg
;
1786 /* Accumulate status for controllers on all bridges. */
1787 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1788 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
1791 /* Update each controller in the database with current status. */
1792 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
1793 struct ofproto_controller_info
*cinfo
=
1794 shash_find_data(&info
, cfg
->target
);
1797 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
1798 ovsrec_controller_set_role(cfg
, nx_role_to_str(cinfo
->role
));
1799 ovsrec_controller_set_status(cfg
, (char **) cinfo
->pairs
.keys
,
1800 (char **) cinfo
->pairs
.values
,
1803 ovsrec_controller_set_is_connected(cfg
, false);
1804 ovsrec_controller_set_role(cfg
, NULL
);
1805 ovsrec_controller_set_status(cfg
, NULL
, NULL
, 0);
1809 ofproto_free_ofproto_controller_info(&info
);
1813 refresh_cfm_stats(void)
1815 static struct ovsdb_idl_txn
*txn
= NULL
;
1820 txn
= ovsdb_idl_txn_create(idl
);
1822 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1823 struct iface
*iface
;
1825 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
1826 iface_refresh_cfm_stats(iface
);
1831 if (ovsdb_idl_txn_commit(txn
) != TXN_INCOMPLETE
) {
1832 ovsdb_idl_txn_destroy(txn
);
1837 /* Performs periodic activity required by bridges that needs to be done with
1838 * the least possible latency.
1840 * It makes sense to call this function a couple of times per poll loop, to
1841 * provide a significant performance boost on some benchmarks with ofprotos
1842 * that use the ofproto-dpif implementation. */
1844 bridge_run_fast(void)
1848 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1849 ofproto_run_fast(br
->ofproto
);
1856 const struct ovsrec_open_vswitch
*cfg
;
1858 bool vlan_splinters_changed
;
1859 bool database_changed
;
1862 /* (Re)configure if necessary. */
1863 database_changed
= ovsdb_idl_run(idl
);
1864 if (ovsdb_idl_is_lock_contended(idl
)) {
1865 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
1866 struct bridge
*br
, *next_br
;
1868 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
1869 "disabling this process until it goes away");
1871 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
1875 } else if (!ovsdb_idl_has_lock(idl
)) {
1878 cfg
= ovsrec_open_vswitch_first(idl
);
1880 /* Let each bridge do the work that it needs to do. */
1881 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1882 ofproto_run(br
->ofproto
);
1885 /* Re-configure SSL. We do this on every trip through the main loop,
1886 * instead of just when the database changes, because the contents of the
1887 * key and certificate files can change without the database changing.
1889 * We do this before bridge_reconfigure() because that function might
1890 * initiate SSL connections and thus requires SSL to be configured. */
1891 if (cfg
&& cfg
->ssl
) {
1892 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
1894 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
1895 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
1898 /* If VLAN splinters are in use, then we need to reconfigure if VLAN usage
1900 vlan_splinters_changed
= false;
1901 if (vlan_splinters_enabled_anywhere
) {
1902 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1903 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
1904 vlan_splinters_changed
= true;
1910 if (database_changed
|| vlan_splinters_changed
) {
1912 struct ovsdb_idl_txn
*txn
= ovsdb_idl_txn_create(idl
);
1914 bridge_reconfigure(cfg
);
1916 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
1917 ovsdb_idl_txn_commit(txn
);
1918 ovsdb_idl_txn_destroy(txn
); /* XXX */
1920 /* We still need to reconfigure to avoid dangling pointers to
1921 * now-destroyed ovsrec structures inside bridge data. */
1922 static const struct ovsrec_open_vswitch null_cfg
;
1924 bridge_reconfigure(&null_cfg
);
1928 /* Refresh system and interface stats if necessary. */
1929 if (time_msec() >= stats_timer
) {
1931 struct ovsdb_idl_txn
*txn
;
1933 txn
= ovsdb_idl_txn_create(idl
);
1934 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1938 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1939 struct iface
*iface
;
1941 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1942 iface_refresh_stats(iface
);
1943 iface_refresh_status(iface
);
1947 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
1948 mirror_refresh_stats(m
);
1952 refresh_system_stats(cfg
);
1953 refresh_controller_status();
1954 ovsdb_idl_txn_commit(txn
);
1955 ovsdb_idl_txn_destroy(txn
); /* XXX */
1958 stats_timer
= time_msec() + STATS_INTERVAL
;
1961 if (time_msec() >= db_limiter
) {
1962 struct ovsdb_idl_txn
*txn
;
1964 txn
= ovsdb_idl_txn_create(idl
);
1965 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1966 struct iface
*iface
;
1969 br_refresh_stp_status(br
);
1971 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1972 port_refresh_stp_status(port
);
1975 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
1976 const char *link_state
;
1977 int64_t link_resets
;
1980 if (iface_is_synthetic(iface
)) {
1984 current
= ofproto_port_is_lacp_current(br
->ofproto
,
1988 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
1990 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
1993 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
1994 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
1996 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
1997 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
2001 if (ovsdb_idl_txn_commit(txn
) != TXN_UNCHANGED
) {
2002 db_limiter
= time_msec() + DB_LIMIT_INTERVAL
;
2004 ovsdb_idl_txn_destroy(txn
);
2007 refresh_cfm_stats();
2013 ovsdb_idl_wait(idl
);
2014 if (!hmap_is_empty(&all_bridges
)) {
2017 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2018 ofproto_wait(br
->ofproto
);
2020 poll_timer_wait_until(stats_timer
);
2022 if (db_limiter
> time_msec()) {
2023 poll_timer_wait_until(db_limiter
);
2028 /* QoS unixctl user interface functions. */
2030 struct qos_unixctl_show_cbdata
{
2032 struct iface
*iface
;
2036 qos_unixctl_show_cb(unsigned int queue_id
,
2037 const struct shash
*details
,
2040 struct qos_unixctl_show_cbdata
*data
= aux
;
2041 struct ds
*ds
= data
->ds
;
2042 struct iface
*iface
= data
->iface
;
2043 struct netdev_queue_stats stats
;
2044 struct shash_node
*node
;
2047 ds_put_cstr(ds
, "\n");
2049 ds_put_format(ds
, "Queue %u:\n", queue_id
);
2051 ds_put_cstr(ds
, "Default:\n");
2054 SHASH_FOR_EACH (node
, details
) {
2055 ds_put_format(ds
, "\t%s: %s\n", node
->name
, (char *)node
->data
);
2058 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
2060 if (stats
.tx_packets
!= UINT64_MAX
) {
2061 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
2064 if (stats
.tx_bytes
!= UINT64_MAX
) {
2065 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
2068 if (stats
.tx_errors
!= UINT64_MAX
) {
2069 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
2072 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
2073 queue_id
, strerror(error
));
2078 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2079 const char *argv
[], void *aux OVS_UNUSED
)
2081 struct ds ds
= DS_EMPTY_INITIALIZER
;
2082 struct shash sh
= SHASH_INITIALIZER(&sh
);
2083 struct iface
*iface
;
2085 struct shash_node
*node
;
2086 struct qos_unixctl_show_cbdata data
;
2089 iface
= iface_find(argv
[1]);
2091 unixctl_command_reply_error(conn
, "no such interface");
2095 netdev_get_qos(iface
->netdev
, &type
, &sh
);
2097 if (*type
!= '\0') {
2098 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
2100 SHASH_FOR_EACH (node
, &sh
) {
2101 ds_put_format(&ds
, "%s: %s\n", node
->name
, (char *)node
->data
);
2106 error
= netdev_dump_queues(iface
->netdev
, qos_unixctl_show_cb
, &data
);
2109 ds_put_format(&ds
, "failed to dump queues: %s", strerror(error
));
2111 unixctl_command_reply(conn
, ds_cstr(&ds
));
2113 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
2114 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
2117 shash_destroy_free_data(&sh
);
2121 /* Bridge reconfiguration functions. */
2123 bridge_create(const struct ovsrec_bridge
*br_cfg
)
2127 assert(!bridge_lookup(br_cfg
->name
));
2128 br
= xzalloc(sizeof *br
);
2130 br
->name
= xstrdup(br_cfg
->name
);
2131 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
2134 /* Derive the default Ethernet address from the bridge's UUID. This should
2135 * be unique and it will be stable between ovs-vswitchd runs. */
2136 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
2137 eth_addr_mark_random(br
->default_ea
);
2139 hmap_init(&br
->ports
);
2140 hmap_init(&br
->ifaces
);
2141 hmap_init(&br
->iface_by_name
);
2142 hmap_init(&br
->mirrors
);
2144 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
2148 bridge_destroy(struct bridge
*br
)
2151 struct mirror
*mirror
, *next_mirror
;
2152 struct port
*port
, *next_port
;
2154 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
2157 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
2158 mirror_destroy(mirror
);
2160 hmap_remove(&all_bridges
, &br
->node
);
2161 ofproto_destroy(br
->ofproto
);
2162 hmap_destroy(&br
->ifaces
);
2163 hmap_destroy(&br
->ports
);
2164 hmap_destroy(&br
->iface_by_name
);
2165 hmap_destroy(&br
->mirrors
);
2172 static struct bridge
*
2173 bridge_lookup(const char *name
)
2177 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
2178 if (!strcmp(br
->name
, name
)) {
2185 /* Handle requests for a listing of all flows known by the OpenFlow
2186 * stack, including those normally hidden. */
2188 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2189 const char *argv
[], void *aux OVS_UNUSED
)
2194 br
= bridge_lookup(argv
[1]);
2196 unixctl_command_reply_error(conn
, "Unknown bridge");
2201 ofproto_get_all_flows(br
->ofproto
, &results
);
2203 unixctl_command_reply(conn
, ds_cstr(&results
));
2204 ds_destroy(&results
);
2207 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2208 * connections and reconnect. If BRIDGE is not specified, then all bridges
2209 * drop their controller connections and reconnect. */
2211 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
2212 const char *argv
[], void *aux OVS_UNUSED
)
2216 br
= bridge_lookup(argv
[1]);
2218 unixctl_command_reply_error(conn
, "Unknown bridge");
2221 ofproto_reconnect_controllers(br
->ofproto
);
2223 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2224 ofproto_reconnect_controllers(br
->ofproto
);
2227 unixctl_command_reply(conn
, NULL
);
2231 bridge_get_controllers(const struct bridge
*br
,
2232 struct ovsrec_controller
***controllersp
)
2234 struct ovsrec_controller
**controllers
;
2235 size_t n_controllers
;
2237 controllers
= br
->cfg
->controller
;
2238 n_controllers
= br
->cfg
->n_controller
;
2240 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
2246 *controllersp
= controllers
;
2248 return n_controllers
;
2251 /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match
2252 * those configured in 'br->cfg'. */
2254 bridge_add_del_ports(struct bridge
*br
,
2255 const unsigned long int *splinter_vlans
)
2257 struct port
*port
, *next
;
2258 struct shash_node
*node
;
2259 struct shash new_ports
;
2262 /* Collect new ports. */
2263 shash_init(&new_ports
);
2264 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
2265 const char *name
= br
->cfg
->ports
[i
]->name
;
2266 if (!shash_add_once(&new_ports
, name
, br
->cfg
->ports
[i
])) {
2267 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2271 if (bridge_get_controllers(br
, NULL
)
2272 && !shash_find(&new_ports
, br
->name
)) {
2273 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2274 br
->name
, br
->name
);
2276 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
2277 br
->synth_local_port
.n_interfaces
= 1;
2278 br
->synth_local_port
.name
= br
->name
;
2280 br
->synth_local_iface
.name
= br
->name
;
2281 br
->synth_local_iface
.type
= "internal";
2283 br
->synth_local_ifacep
= &br
->synth_local_iface
;
2285 shash_add(&new_ports
, br
->name
, &br
->synth_local_port
);
2288 if (splinter_vlans
) {
2289 add_vlan_splinter_ports(br
, splinter_vlans
, &new_ports
);
2292 /* Get rid of deleted ports.
2293 * Get rid of deleted interfaces on ports that still exist. */
2294 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
2295 port
->cfg
= shash_find_data(&new_ports
, port
->name
);
2299 port_del_ifaces(port
);
2303 /* Create new ports.
2304 * Add new interfaces to existing ports. */
2305 SHASH_FOR_EACH (node
, &new_ports
) {
2306 struct port
*port
= port_lookup(br
, node
->name
);
2308 struct ovsrec_port
*cfg
= node
->data
;
2309 port
= port_create(br
, cfg
);
2311 port_add_ifaces(port
);
2312 if (list_is_empty(&port
->ifaces
)) {
2313 VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
2314 br
->name
, port
->name
);
2318 shash_destroy(&new_ports
);
2321 /* Initializes 'oc' appropriately as a management service controller for
2324 * The caller must free oc->target when it is no longer needed. */
2326 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
2327 struct ofproto_controller
*oc
)
2329 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
2330 oc
->max_backoff
= 0;
2331 oc
->probe_interval
= 60;
2332 oc
->band
= OFPROTO_OUT_OF_BAND
;
2334 oc
->burst_limit
= 0;
2335 oc
->enable_async_msgs
= true;
2338 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2340 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
2341 struct ofproto_controller
*oc
)
2343 oc
->target
= c
->target
;
2344 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
2345 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
2346 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
2347 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
2348 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
2349 oc
->burst_limit
= (c
->controller_burst_limit
2350 ? *c
->controller_burst_limit
: 0);
2351 oc
->enable_async_msgs
= (!c
->enable_async_messages
2352 || *c
->enable_async_messages
);
2355 /* Configures the IP stack for 'br''s local interface properly according to the
2356 * configuration in 'c'. */
2358 bridge_configure_local_iface_netdev(struct bridge
*br
,
2359 struct ovsrec_controller
*c
)
2361 struct netdev
*netdev
;
2362 struct in_addr mask
, gateway
;
2364 struct iface
*local_iface
;
2367 /* If there's no local interface or no IP address, give up. */
2368 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
2369 if (!local_iface
|| !c
->local_ip
|| !inet_aton(c
->local_ip
, &ip
)) {
2373 /* Bring up the local interface. */
2374 netdev
= local_iface
->netdev
;
2375 netdev_turn_flags_on(netdev
, NETDEV_UP
, true);
2377 /* Configure the IP address and netmask. */
2378 if (!c
->local_netmask
2379 || !inet_aton(c
->local_netmask
, &mask
)
2381 mask
.s_addr
= guess_netmask(ip
.s_addr
);
2383 if (!netdev_set_in4(netdev
, ip
, mask
)) {
2384 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
2385 br
->name
, IP_ARGS(&ip
.s_addr
), IP_ARGS(&mask
.s_addr
));
2388 /* Configure the default gateway. */
2389 if (c
->local_gateway
2390 && inet_aton(c
->local_gateway
, &gateway
)
2391 && gateway
.s_addr
) {
2392 if (!netdev_add_router(netdev
, gateway
)) {
2393 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
2394 br
->name
, IP_ARGS(&gateway
.s_addr
));
2399 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2400 * in either string are treated as equal to any number of slashes in the other,
2401 * e.g. "x///y" is equal to "x/y". */
2403 equal_pathnames(const char *a
, const char *b
)
2407 a
+= strspn(a
, "/");
2408 b
+= strspn(b
, "/");
2409 } else if (*a
== '\0') {
2420 bridge_configure_remotes(struct bridge
*br
,
2421 const struct sockaddr_in
*managers
, size_t n_managers
)
2423 const char *disable_ib_str
, *queue_id_str
;
2424 bool disable_in_band
= false;
2427 struct ovsrec_controller
**controllers
;
2428 size_t n_controllers
;
2430 enum ofproto_fail_mode fail_mode
;
2432 struct ofproto_controller
*ocs
;
2436 /* Check if we should disable in-band control on this bridge. */
2437 disable_ib_str
= bridge_get_other_config(br
->cfg
, "disable-in-band");
2438 if (disable_ib_str
&& !strcmp(disable_ib_str
, "true")) {
2439 disable_in_band
= true;
2442 /* Set OpenFlow queue ID for in-band control. */
2443 queue_id_str
= bridge_get_other_config(br
->cfg
, "in-band-queue");
2444 queue_id
= queue_id_str
? strtol(queue_id_str
, NULL
, 10) : -1;
2445 ofproto_set_in_band_queue(br
->ofproto
, queue_id
);
2447 if (disable_in_band
) {
2448 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
2450 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
2453 n_controllers
= bridge_get_controllers(br
, &controllers
);
2455 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
2458 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
2459 for (i
= 0; i
< n_controllers
; i
++) {
2460 struct ovsrec_controller
*c
= controllers
[i
];
2462 if (!strncmp(c
->target
, "punix:", 6)
2463 || !strncmp(c
->target
, "unix:", 5)) {
2464 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2467 whitelist
= xasprintf("unix:%s/%s.controller",
2468 ovs_rundir(), br
->name
);
2469 if (!equal_pathnames(c
->target
, whitelist
)) {
2470 /* Prevent remote ovsdb-server users from accessing arbitrary
2471 * Unix domain sockets and overwriting arbitrary local
2473 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
2474 "controller \"%s\" due to possibility for remote "
2475 "exploit. Instead, specify whitelisted \"%s\" or "
2476 "connect to \"unix:%s/%s.mgmt\" (which is always "
2477 "available without special configuration).",
2478 br
->name
, c
->target
, whitelist
,
2479 ovs_rundir(), br
->name
);
2487 bridge_configure_local_iface_netdev(br
, c
);
2488 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
2489 if (disable_in_band
) {
2490 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
2495 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
);
2496 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
2499 /* Set the fail-mode. */
2500 fail_mode
= !br
->cfg
->fail_mode
2501 || !strcmp(br
->cfg
->fail_mode
, "standalone")
2502 ? OFPROTO_FAIL_STANDALONE
2503 : OFPROTO_FAIL_SECURE
;
2504 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
2506 /* Configure OpenFlow controller connection snooping. */
2507 if (!ofproto_has_snoops(br
->ofproto
)) {
2511 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
2512 ovs_rundir(), br
->name
));
2513 ofproto_set_snoops(br
->ofproto
, &snoops
);
2514 sset_destroy(&snoops
);
2519 bridge_configure_tables(struct bridge
*br
)
2521 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2525 n_tables
= ofproto_get_n_tables(br
->ofproto
);
2527 for (i
= 0; i
< n_tables
; i
++) {
2528 struct ofproto_table_settings s
;
2531 s
.max_flows
= UINT_MAX
;
2535 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
2536 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
2539 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
2540 s
.max_flows
= *cfg
->flow_limit
;
2542 if (cfg
->overflow_policy
2543 && !strcmp(cfg
->overflow_policy
, "evict")) {
2546 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
2547 for (k
= 0; k
< cfg
->n_groups
; k
++) {
2548 const char *string
= cfg
->groups
[k
];
2551 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
2553 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
2554 "'groups' (%s)", br
->name
, i
, msg
);
2556 } else if (*string
) {
2557 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
2558 "element '%s' contains trailing garbage",
2559 br
->name
, i
, cfg
->groups
[k
]);
2567 ofproto_configure_table(br
->ofproto
, i
, &s
);
2571 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
2572 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
2573 "%"PRId64
" not supported by this datapath", br
->name
,
2574 br
->cfg
->key_flow_tables
[j
]);
2578 /* Port functions. */
2580 static struct port
*
2581 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
2585 port
= xzalloc(sizeof *port
);
2587 port
->name
= xstrdup(cfg
->name
);
2589 list_init(&port
->ifaces
);
2591 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
2593 VLOG_INFO("created port %s on bridge %s", port
->name
, br
->name
);
2599 get_port_other_config(const struct ovsrec_port
*port
, const char *key
,
2600 const char *default_value
)
2604 value
= get_ovsrec_key_value(port
->key_other_config
,
2605 port
->value_other_config
,
2606 port
->n_other_config
, key
);
2607 return value
? value
: default_value
;
2611 get_interface_other_config(const struct ovsrec_interface
*iface
,
2612 const char *key
, const char *default_value
)
2616 value
= get_ovsrec_key_value(iface
->key_other_config
,
2617 iface
->value_other_config
,
2618 iface
->n_other_config
, key
);
2619 return value
? value
: default_value
;
2622 /* Deletes interfaces from 'port' that are no longer configured for it. */
2624 port_del_ifaces(struct port
*port
)
2626 struct iface
*iface
, *next
;
2627 struct sset new_ifaces
;
2630 /* Collect list of new interfaces. */
2631 sset_init(&new_ifaces
);
2632 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
2633 const char *name
= port
->cfg
->interfaces
[i
]->name
;
2634 const char *type
= port
->cfg
->interfaces
[i
]->name
;
2635 if (strcmp(type
, "null")) {
2636 sset_add(&new_ifaces
, name
);
2640 /* Get rid of deleted interfaces. */
2641 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
2642 if (!sset_contains(&new_ifaces
, iface
->name
)) {
2643 iface_destroy(iface
);
2647 sset_destroy(&new_ifaces
);
2650 /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of
2653 port_add_ifaces(struct port
*port
)
2655 struct shash new_ifaces
;
2656 struct shash_node
*node
;
2659 /* Collect new ifaces. */
2660 shash_init(&new_ifaces
);
2661 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
2662 const struct ovsrec_interface
*cfg
= port
->cfg
->interfaces
[i
];
2663 if (strcmp(cfg
->type
, "null")
2664 && !shash_add_once(&new_ifaces
, cfg
->name
, cfg
)) {
2665 VLOG_WARN("port %s: %s specified twice as port interface",
2666 port
->name
, cfg
->name
);
2667 iface_clear_db_record(cfg
);
2671 /* Create new interfaces.
2672 * Update interface types and 'cfg' members. */
2673 SHASH_FOR_EACH (node
, &new_ifaces
) {
2674 const struct ovsrec_interface
*cfg
= node
->data
;
2675 const char *iface_name
= node
->name
;
2676 struct iface
*iface
;
2678 iface
= iface_lookup(port
->bridge
, iface_name
);
2680 iface
= iface_create(port
, cfg
);
2685 /* Determine interface type. The local port always has type
2686 * "internal". Other ports take their type from the database and
2687 * default to "system" if none is specified. */
2688 iface
->type
= (!strcmp(iface_name
, port
->bridge
->name
) ? "internal"
2689 : cfg
->type
[0] ? cfg
->type
2692 shash_destroy(&new_ifaces
);
2696 port_destroy(struct port
*port
)
2699 struct bridge
*br
= port
->bridge
;
2700 struct iface
*iface
, *next
;
2703 ofproto_bundle_unregister(br
->ofproto
, port
);
2706 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
2707 iface_destroy(iface
);
2710 hmap_remove(&br
->ports
, &port
->hmap_node
);
2712 VLOG_INFO("destroyed port %s on bridge %s", port
->name
, br
->name
);
2719 static struct port
*
2720 port_lookup(const struct bridge
*br
, const char *name
)
2724 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
2726 if (!strcmp(port
->name
, name
)) {
2734 enable_lacp(struct port
*port
, bool *activep
)
2736 if (!port
->cfg
->lacp
) {
2737 /* XXX when LACP implementation has been sufficiently tested, enable by
2738 * default and make active on bonded ports. */
2740 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
2742 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
2745 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
2749 VLOG_WARN("port %s: unknown LACP mode %s",
2750 port
->name
, port
->cfg
->lacp
);
2755 static struct lacp_settings
*
2756 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
2758 const char *lacp_time
, *system_id
;
2759 long long int custom_time
;
2762 if (!enable_lacp(port
, &s
->active
)) {
2766 s
->name
= port
->name
;
2768 system_id
= get_port_other_config(port
->cfg
, "lacp-system-id", NULL
);
2770 if (sscanf(system_id
, ETH_ADDR_SCAN_FMT
,
2771 ETH_ADDR_SCAN_ARGS(s
->id
)) != ETH_ADDR_SCAN_COUNT
) {
2772 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
2773 " address.", port
->name
, system_id
);
2777 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
2780 if (eth_addr_is_zero(s
->id
)) {
2781 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
2785 /* Prefer bondable links if unspecified. */
2786 priority
= atoi(get_port_other_config(port
->cfg
, "lacp-system-priority",
2788 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
2790 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
2792 s
->heartbeat
= !strcmp(get_port_other_config(port
->cfg
,
2796 lacp_time
= get_port_other_config(port
->cfg
, "lacp-time", "slow");
2797 custom_time
= atoi(lacp_time
);
2798 if (!strcmp(lacp_time
, "fast")) {
2799 s
->lacp_time
= LACP_TIME_FAST
;
2800 } else if (!strcmp(lacp_time
, "slow")) {
2801 s
->lacp_time
= LACP_TIME_SLOW
;
2802 } else if (custom_time
> 0) {
2803 s
->lacp_time
= LACP_TIME_CUSTOM
;
2804 s
->custom_time
= custom_time
;
2806 s
->lacp_time
= LACP_TIME_SLOW
;
2813 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
2815 int priority
, portid
, key
;
2817 portid
= atoi(get_interface_other_config(iface
->cfg
, "lacp-port-id", "0"));
2818 priority
= atoi(get_interface_other_config(iface
->cfg
,
2819 "lacp-port-priority", "0"));
2820 key
= atoi(get_interface_other_config(iface
->cfg
, "lacp-aggregation-key",
2823 if (portid
<= 0 || portid
> UINT16_MAX
) {
2824 portid
= iface
->ofp_port
;
2827 if (priority
<= 0 || priority
> UINT16_MAX
) {
2828 priority
= UINT16_MAX
;
2831 if (key
< 0 || key
> UINT16_MAX
) {
2835 s
->name
= iface
->name
;
2837 s
->priority
= priority
;
2842 port_configure_bond(struct port
*port
, struct bond_settings
*s
,
2843 uint32_t *bond_stable_ids
)
2845 const char *detect_s
;
2846 struct iface
*iface
;
2847 int miimon_interval
;
2850 s
->name
= port
->name
;
2852 if (port
->cfg
->bond_mode
) {
2853 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
2854 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
2855 port
->name
, port
->cfg
->bond_mode
,
2856 bond_mode_to_string(s
->balance
));
2859 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2861 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
2862 * active-backup. At some point we should remove this warning. */
2863 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
2864 " in previous versions, the default bond_mode was"
2865 " balance-slb", port
->name
,
2866 bond_mode_to_string(s
->balance
));
2868 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
2869 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
2870 "please use another bond type or disable flood_vlans",
2874 miimon_interval
= atoi(get_port_other_config(port
->cfg
,
2875 "bond-miimon-interval", "0"));
2876 if (miimon_interval
<= 0) {
2877 miimon_interval
= 200;
2880 detect_s
= get_port_other_config(port
->cfg
, "bond-detect-mode", "carrier");
2881 if (!strcmp(detect_s
, "carrier")) {
2882 miimon_interval
= 0;
2883 } else if (strcmp(detect_s
, "miimon")) {
2884 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
2885 "defaulting to carrier", port
->name
, detect_s
);
2886 miimon_interval
= 0;
2889 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
2890 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
2891 s
->basis
= atoi(get_port_other_config(port
->cfg
, "bond-hash-basis", "0"));
2892 s
->rebalance_interval
= atoi(
2893 get_port_other_config(port
->cfg
, "bond-rebalance-interval", "10000"));
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
;
2904 stable_id
= atoll(get_interface_other_config(iface
->cfg
,
2905 "bond-stable-id", "0"));
2906 if (stable_id
<= 0 || stable_id
>= UINT32_MAX
) {
2907 stable_id
= iface
->ofp_port
;
2909 bond_stable_ids
[i
++] = stable_id
;
2911 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
2915 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
2916 * instead of obtaining it from the database. */
2918 port_is_synthetic(const struct port
*port
)
2920 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
2923 /* Interface functions. */
2925 static struct iface
*
2926 iface_create(struct port
*port
, const struct ovsrec_interface
*if_cfg
)
2928 struct bridge
*br
= port
->bridge
;
2929 struct iface
*iface
;
2930 char *name
= if_cfg
->name
;
2932 iface
= xzalloc(sizeof *iface
);
2934 iface
->name
= xstrdup(name
);
2935 iface
->ofp_port
= -1;
2936 iface
->tag
= tag_create_random();
2937 iface
->netdev
= NULL
;
2938 iface
->cfg
= if_cfg
;
2940 hmap_insert(&br
->iface_by_name
, &iface
->name_node
, hash_string(name
, 0));
2942 list_push_back(&port
->ifaces
, &iface
->port_elem
);
2944 VLOG_DBG("attached network device %s to port %s", iface
->name
, port
->name
);
2950 iface_destroy(struct iface
*iface
)
2953 struct port
*port
= iface
->port
;
2954 struct bridge
*br
= port
->bridge
;
2956 if (br
->ofproto
&& iface
->ofp_port
>= 0) {
2957 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
2960 if (iface
->ofp_port
>= 0) {
2961 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
2964 list_remove(&iface
->port_elem
);
2965 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
2967 netdev_close(iface
->netdev
);
2974 static struct iface
*
2975 iface_lookup(const struct bridge
*br
, const char *name
)
2977 struct iface
*iface
;
2979 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
2980 &br
->iface_by_name
) {
2981 if (!strcmp(iface
->name
, name
)) {
2989 static struct iface
*
2990 iface_find(const char *name
)
2992 const struct bridge
*br
;
2994 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2995 struct iface
*iface
= iface_lookup(br
, name
);
3004 static struct iface
*
3005 iface_from_ofp_port(const struct bridge
*br
, uint16_t ofp_port
)
3007 struct iface
*iface
;
3009 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
,
3010 hash_int(ofp_port
, 0), &br
->ifaces
) {
3011 if (iface
->ofp_port
== ofp_port
) {
3018 /* Set Ethernet address of 'iface', if one is specified in the configuration
3021 iface_set_mac(struct iface
*iface
)
3023 uint8_t ea
[ETH_ADDR_LEN
];
3025 if (!strcmp(iface
->type
, "internal")
3026 && iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
3027 if (iface
->ofp_port
== OFPP_LOCAL
) {
3028 VLOG_ERR("interface %s: ignoring mac in Interface record "
3029 "(use Bridge record to set local port's mac)",
3031 } else if (eth_addr_is_multicast(ea
)) {
3032 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3035 int error
= netdev_set_etheraddr(iface
->netdev
, ea
);
3037 VLOG_ERR("interface %s: setting MAC failed (%s)",
3038 iface
->name
, strerror(error
));
3044 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3046 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, int64_t ofport
)
3048 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3049 ovsrec_interface_set_ofport(if_cfg
, &ofport
, 1);
3053 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3054 * sets the "ofport" field to -1.
3056 * This is appropriate when 'if_cfg''s interface cannot be created or is
3057 * otherwise invalid. */
3059 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
)
3061 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3062 iface_set_ofport(if_cfg
, -1);
3063 ovsrec_interface_set_status(if_cfg
, NULL
, NULL
, 0);
3064 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
3065 ovsrec_interface_set_duplex(if_cfg
, NULL
);
3066 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
3067 ovsrec_interface_set_link_state(if_cfg
, NULL
);
3068 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
3069 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
3070 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
3071 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
3072 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
3073 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
3077 /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'.
3079 * The value strings in '*shash' are taken directly from values[], not copied,
3080 * so the caller should not modify or free them. */
3082 shash_from_ovs_idl_map(char **keys
, char **values
, size_t n
,
3083 struct shash
*shash
)
3088 for (i
= 0; i
< n
; i
++) {
3089 shash_add(shash
, keys
[i
], values
[i
]);
3093 /* Creates 'keys' and 'values' arrays from 'shash'.
3095 * Sets 'keys' and 'values' to heap allocated arrays representing the key-value
3096 * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They
3097 * are populated with with strings taken directly from 'shash' and thus have
3098 * the same ownership of the key-value pairs in shash.
3101 shash_to_ovs_idl_map(struct shash
*shash
,
3102 char ***keys
, char ***values
, size_t *n
)
3106 struct shash_node
*sn
;
3108 count
= shash_count(shash
);
3110 k
= xmalloc(count
* sizeof *k
);
3111 v
= xmalloc(count
* sizeof *v
);
3114 SHASH_FOR_EACH(sn
, shash
) {
3125 struct iface_delete_queues_cbdata
{
3126 struct netdev
*netdev
;
3127 const struct ovsdb_datum
*queues
;
3131 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
3133 union ovsdb_atom atom
;
3135 atom
.integer
= target
;
3136 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
3140 iface_delete_queues(unsigned int queue_id
,
3141 const struct shash
*details OVS_UNUSED
, void *cbdata_
)
3143 struct iface_delete_queues_cbdata
*cbdata
= cbdata_
;
3145 if (!queue_ids_include(cbdata
->queues
, queue_id
)) {
3146 netdev_delete_queue(cbdata
->netdev
, queue_id
);
3151 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
3153 struct ofpbuf queues_buf
;
3155 ofpbuf_init(&queues_buf
, 0);
3157 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
3158 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
3160 struct iface_delete_queues_cbdata cbdata
;
3161 struct shash details
;
3165 /* Configure top-level Qos for 'iface'. */
3166 shash_from_ovs_idl_map(qos
->key_other_config
, qos
->value_other_config
,
3167 qos
->n_other_config
, &details
);
3168 netdev_set_qos(iface
->netdev
, qos
->type
, &details
);
3169 shash_destroy(&details
);
3171 /* Deconfigure queues that were deleted. */
3172 cbdata
.netdev
= iface
->netdev
;
3173 cbdata
.queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
3175 netdev_dump_queues(iface
->netdev
, iface_delete_queues
, &cbdata
);
3177 /* Configure queues for 'iface'. */
3179 for (i
= 0; i
< qos
->n_queues
; i
++) {
3180 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
3181 unsigned int queue_id
= qos
->key_queues
[i
];
3183 if (queue_id
== 0) {
3187 if (queue
->n_dscp
== 1) {
3188 struct ofproto_port_queue
*port_queue
;
3190 port_queue
= ofpbuf_put_uninit(&queues_buf
,
3191 sizeof *port_queue
);
3192 port_queue
->queue
= queue_id
;
3193 port_queue
->dscp
= queue
->dscp
[0];
3196 shash_from_ovs_idl_map(queue
->key_other_config
,
3197 queue
->value_other_config
,
3198 queue
->n_other_config
, &details
);
3199 netdev_set_queue(iface
->netdev
, queue_id
, &details
);
3200 shash_destroy(&details
);
3203 shash_init(&details
);
3204 netdev_set_queue(iface
->netdev
, 0, &details
);
3205 shash_destroy(&details
);
3209 if (iface
->ofp_port
>= 0) {
3210 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
3211 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
3213 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
3214 port_queues
, n_queues
);
3217 netdev_set_policing(iface
->netdev
,
3218 iface
->cfg
->ingress_policing_rate
,
3219 iface
->cfg
->ingress_policing_burst
);
3221 ofpbuf_uninit(&queues_buf
);
3225 iface_configure_cfm(struct iface
*iface
)
3227 const struct ovsrec_interface
*cfg
= iface
->cfg
;
3228 const char *extended_str
, *opstate_str
;
3229 struct cfm_settings s
;
3231 if (!cfg
->n_cfm_mpid
) {
3232 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
3236 s
.mpid
= *cfg
->cfm_mpid
;
3237 s
.interval
= atoi(get_interface_other_config(iface
->cfg
, "cfm_interval",
3239 s
.ccm_vlan
= atoi(get_interface_other_config(iface
->cfg
, "cfm_ccm_vlan",
3241 s
.ccm_pcp
= atoi(get_interface_other_config(iface
->cfg
, "cfm_ccm_pcp",
3243 if (s
.interval
<= 0) {
3247 extended_str
= get_interface_other_config(iface
->cfg
, "cfm_extended",
3249 s
.extended
= !strcasecmp("true", extended_str
);
3251 opstate_str
= get_interface_other_config(iface
->cfg
, "cfm_opstate", "up");
3252 s
.opup
= !strcasecmp("up", opstate_str
);
3254 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
3257 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3258 * instead of obtaining it from the database. */
3260 iface_is_synthetic(const struct iface
*iface
)
3262 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
3265 /* Port mirroring. */
3267 static struct mirror
*
3268 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
3272 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
3273 if (uuid_equals(uuid
, &m
->uuid
)) {
3281 bridge_configure_mirrors(struct bridge
*br
)
3283 const struct ovsdb_datum
*mc
;
3284 unsigned long *flood_vlans
;
3285 struct mirror
*m
, *next
;
3288 /* Get rid of deleted mirrors. */
3289 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
3290 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
3291 union ovsdb_atom atom
;
3293 atom
.uuid
= m
->uuid
;
3294 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3299 /* Add new mirrors and reconfigure existing ones. */
3300 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
3301 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
3302 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
3304 m
= mirror_create(br
, cfg
);
3307 if (!mirror_configure(m
)) {
3312 /* Update flooded vlans (for RSPAN). */
3313 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
3314 br
->cfg
->n_flood_vlans
);
3315 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
3316 bitmap_free(flood_vlans
);
3319 static struct mirror
*
3320 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
3324 m
= xzalloc(sizeof *m
);
3325 m
->uuid
= cfg
->header_
.uuid
;
3326 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
3328 m
->name
= xstrdup(cfg
->name
);
3334 mirror_destroy(struct mirror
*m
)
3337 struct bridge
*br
= m
->bridge
;
3340 ofproto_mirror_unregister(br
->ofproto
, m
);
3343 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
3350 mirror_collect_ports(struct mirror
*m
,
3351 struct ovsrec_port
**in_ports
, int n_in_ports
,
3352 void ***out_portsp
, size_t *n_out_portsp
)
3354 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
3355 size_t n_out_ports
= 0;
3358 for (i
= 0; i
< n_in_ports
; i
++) {
3359 const char *name
= in_ports
[i
]->name
;
3360 struct port
*port
= port_lookup(m
->bridge
, name
);
3362 out_ports
[n_out_ports
++] = port
;
3364 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3365 "port %s", m
->bridge
->name
, m
->name
, name
);
3368 *out_portsp
= out_ports
;
3369 *n_out_portsp
= n_out_ports
;
3373 mirror_configure(struct mirror
*m
)
3375 const struct ovsrec_mirror
*cfg
= m
->cfg
;
3376 struct ofproto_mirror_settings s
;
3379 if (strcmp(cfg
->name
, m
->name
)) {
3381 m
->name
= xstrdup(cfg
->name
);
3385 /* Get output port or VLAN. */
3386 if (cfg
->output_port
) {
3387 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
3388 if (!s
.out_bundle
) {
3389 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3390 m
->bridge
->name
, m
->name
);
3393 s
.out_vlan
= UINT16_MAX
;
3395 if (cfg
->output_vlan
) {
3396 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3397 "output vlan; ignoring output vlan",
3398 m
->bridge
->name
, m
->name
);
3400 } else if (cfg
->output_vlan
) {
3401 /* The database should prevent invalid VLAN values. */
3402 s
.out_bundle
= NULL
;
3403 s
.out_vlan
= *cfg
->output_vlan
;
3405 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3406 m
->bridge
->name
, m
->name
);
3410 /* Get port selection. */
3411 if (cfg
->select_all
) {
3412 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
3413 void **ports
= xmalloc(n_ports
* sizeof *ports
);
3418 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
3428 /* Get ports, dropping ports that don't exist.
3429 * The IDL ensures that there are no duplicates. */
3430 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
3431 &s
.srcs
, &s
.n_srcs
);
3432 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
3433 &s
.dsts
, &s
.n_dsts
);
3436 /* Get VLAN selection. */
3437 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
3440 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
3443 if (s
.srcs
!= s
.dsts
) {
3452 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3454 * This is deprecated. It is only for compatibility with broken device drivers
3455 * in old versions of Linux that do not properly support VLANs when VLAN
3456 * devices are not used. When broken device drivers are no longer in
3457 * widespread use, we will delete these interfaces. */
3459 static void **blocks
;
3460 static size_t n_blocks
, allocated_blocks
;
3462 /* Adds 'block' to a list of blocks that have to be freed with free() when the
3463 * VLAN splinters are reconfigured. */
3465 register_block(void *block
)
3467 if (n_blocks
>= allocated_blocks
) {
3468 blocks
= x2nrealloc(blocks
, &allocated_blocks
, sizeof *blocks
);
3470 blocks
[n_blocks
++] = block
;
3473 /* Frees all of the blocks registered with register_block(). */
3475 free_registered_blocks(void)
3479 for (i
= 0; i
< n_blocks
; i
++) {
3485 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3488 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
3492 value
= get_interface_other_config(iface_cfg
, "enable-vlan-splinters", "");
3493 return !strcmp(value
, "true");
3496 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3499 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3500 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3501 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3504 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3505 * use, returns NULL.
3507 * Updates 'vlan_splinters_enabled_anywhere'. */
3508 static unsigned long int *
3509 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
3511 unsigned long int *splinter_vlans
;
3512 struct sset splinter_ifaces
;
3513 const char *real_dev_name
;
3514 struct shash
*real_devs
;
3515 struct shash_node
*node
;
3519 /* Free space allocated for synthesized ports and interfaces, since we're
3520 * in the process of reconstructing all of them. */
3521 free_registered_blocks();
3523 splinter_vlans
= bitmap_allocate(4096);
3524 sset_init(&splinter_ifaces
);
3525 vlan_splinters_enabled_anywhere
= false;
3526 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
3527 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
3530 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
3531 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
3534 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
3535 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
3537 if (vlan_splinters_is_enabled(iface_cfg
)) {
3538 vlan_splinters_enabled_anywhere
= true;
3539 sset_add(&splinter_ifaces
, iface_cfg
->name
);
3540 vlan_bitmap_from_array__(port_cfg
->trunks
,
3546 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
3547 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
3552 if (!vlan_splinters_enabled_anywhere
) {
3553 free(splinter_vlans
);
3554 sset_destroy(&splinter_ifaces
);
3558 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3560 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
3564 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3565 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3566 * device to be created for it. */
3567 bitmap_set0(splinter_vlans
, 0);
3568 bitmap_set0(splinter_vlans
, 4095);
3570 /* Delete all VLAN devices that we don't need. */
3572 real_devs
= vlandev_get_real_devs();
3573 SHASH_FOR_EACH (node
, real_devs
) {
3574 const struct vlan_real_dev
*real_dev
= node
->data
;
3575 const struct vlan_dev
*vlan_dev
;
3576 bool real_dev_has_splinters
;
3578 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
3580 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
3581 if (!real_dev_has_splinters
3582 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
3583 struct netdev
*netdev
;
3585 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
3586 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
3587 !netdev_get_in6(netdev
, NULL
)) {
3588 vlandev_del(vlan_dev
->name
);
3590 /* It has an IP address configured, so we don't own
3591 * it. Don't delete it. */
3593 netdev_close(netdev
);
3600 /* Add all VLAN devices that we need. */
3601 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
3604 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
3605 if (!vlandev_get_name(real_dev_name
, vid
)) {
3606 vlandev_add(real_dev_name
, vid
);
3613 sset_destroy(&splinter_ifaces
);
3615 if (bitmap_scan(splinter_vlans
, 0, 4096) >= 4096) {
3616 free(splinter_vlans
);
3619 return splinter_vlans
;
3622 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3625 configure_splinter_port(struct port
*port
)
3627 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
3628 uint16_t realdev_ofp_port
;
3629 const char *realdev_name
;
3630 struct iface
*vlandev
, *realdev
;
3632 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
3634 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
3637 realdev_name
= get_port_other_config(port
->cfg
, "realdev", NULL
);
3638 realdev
= iface_lookup(port
->bridge
, realdev_name
);
3639 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
3641 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
3645 static struct ovsrec_port
*
3646 synthesize_splinter_port(const char *real_dev_name
,
3647 const char *vlan_dev_name
, int vid
)
3649 struct ovsrec_interface
*iface
;
3650 struct ovsrec_port
*port
;
3652 iface
= xzalloc(sizeof *iface
);
3653 iface
->name
= xstrdup(vlan_dev_name
);
3654 iface
->type
= "system";
3656 port
= xzalloc(sizeof *port
);
3657 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
3658 port
->n_interfaces
= 1;
3659 port
->name
= xstrdup(vlan_dev_name
);
3660 port
->vlan_mode
= "splinter";
3661 port
->tag
= xmalloc(sizeof *port
->tag
);
3663 port
->key_other_config
= xmalloc(sizeof *port
->key_other_config
);
3664 port
->key_other_config
[0] = "realdev";
3665 port
->value_other_config
= xmalloc(sizeof *port
->value_other_config
);
3666 port
->value_other_config
[0] = xstrdup(real_dev_name
);
3667 port
->n_other_config
= 1;
3669 register_block(iface
);
3670 register_block(iface
->name
);
3671 register_block(port
);
3672 register_block(port
->interfaces
);
3673 register_block(port
->name
);
3674 register_block(port
->tag
);
3675 register_block(port
->key_other_config
);
3676 register_block(port
->value_other_config
);
3677 register_block(port
->value_other_config
[0]);
3682 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3683 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3684 * 1-bit in the 'splinter_vlans' bitmap. */
3686 add_vlan_splinter_ports(struct bridge
*br
,
3687 const unsigned long int *splinter_vlans
,
3688 struct shash
*ports
)
3692 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3693 * we're modifying 'ports'. */
3694 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
3695 const char *name
= br
->cfg
->ports
[i
]->name
;
3696 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
3699 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
3700 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
3702 if (vlan_splinters_is_enabled(iface_cfg
)) {
3703 const char *real_dev_name
;
3706 real_dev_name
= iface_cfg
->name
;
3707 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
3708 const char *vlan_dev_name
;
3710 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
3712 && !shash_find(ports
, vlan_dev_name
)) {
3713 shash_add(ports
, vlan_dev_name
,
3714 synthesize_splinter_port(
3715 real_dev_name
, vlan_dev_name
, vid
));
3724 mirror_refresh_stats(struct mirror
*m
)
3726 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
3727 uint64_t tx_packets
, tx_bytes
;
3730 size_t stat_cnt
= 0;
3732 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
3733 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
3737 if (tx_packets
!= UINT64_MAX
) {
3738 keys
[stat_cnt
] = "tx_packets";
3739 values
[stat_cnt
] = tx_packets
;
3742 if (tx_bytes
!= UINT64_MAX
) {
3743 keys
[stat_cnt
] = "tx_bytes";
3744 values
[stat_cnt
] = tx_bytes
;
3748 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);