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 uint64_t dpid_from_hash(const void *, size_t nbytes
);
175 static bool bridge_has_bond_fake_iface(const struct bridge
*,
177 static bool port_is_bond_fake_iface(const struct port
*);
179 static unixctl_cb_func qos_unixctl_show
;
181 static struct port
*port_create(struct bridge
*, const struct ovsrec_port
*);
182 static void port_add_ifaces(struct port
*);
183 static void port_del_ifaces(struct port
*);
184 static void port_destroy(struct port
*);
185 static struct port
*port_lookup(const struct bridge
*, const char *name
);
186 static void port_configure(struct port
*);
187 static struct lacp_settings
*port_configure_lacp(struct port
*,
188 struct lacp_settings
*);
189 static void port_configure_bond(struct port
*, struct bond_settings
*,
190 uint32_t *bond_stable_ids
);
191 static bool port_is_synthetic(const struct port
*);
193 static void bridge_configure_mirrors(struct bridge
*);
194 static struct mirror
*mirror_create(struct bridge
*,
195 const struct ovsrec_mirror
*);
196 static void mirror_destroy(struct mirror
*);
197 static bool mirror_configure(struct mirror
*);
198 static void mirror_refresh_stats(struct mirror
*);
200 static void iface_configure_lacp(struct iface
*, struct lacp_slave_settings
*);
201 static struct iface
*iface_create(struct port
*port
,
202 const struct ovsrec_interface
*if_cfg
);
203 static void iface_destroy(struct iface
*);
204 static struct iface
*iface_lookup(const struct bridge
*, const char *name
);
205 static struct iface
*iface_find(const char *name
);
206 static struct iface
*iface_from_ofp_port(const struct bridge
*,
208 static void iface_set_mac(struct iface
*);
209 static void iface_set_ofport(const struct ovsrec_interface
*, int64_t ofport
);
210 static void iface_clear_db_record(const struct ovsrec_interface
*if_cfg
);
211 static void iface_configure_qos(struct iface
*, const struct ovsrec_qos
*);
212 static void iface_configure_cfm(struct iface
*);
213 static void iface_refresh_cfm_stats(struct iface
*);
214 static void iface_refresh_stats(struct iface
*);
215 static void iface_refresh_status(struct iface
*);
216 static bool iface_is_synthetic(const struct iface
*);
218 static void shash_from_ovs_idl_map(char **keys
, char **values
, size_t n
,
220 static void shash_to_ovs_idl_map(struct shash
*,
221 char ***keys
, char ***values
, size_t *n
);
223 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
225 * This is deprecated. It is only for compatibility with broken device drivers
226 * in old versions of Linux that do not properly support VLANs when VLAN
227 * devices are not used. When broken device drivers are no longer in
228 * widespread use, we will delete these interfaces. */
230 /* True if VLAN splinters are enabled on any interface, false otherwise.*/
231 static bool vlan_splinters_enabled_anywhere
;
233 static bool vlan_splinters_is_enabled(const struct ovsrec_interface
*);
234 static unsigned long int *collect_splinter_vlans(
235 const struct ovsrec_open_vswitch
*);
236 static void configure_splinter_port(struct port
*);
237 static void add_vlan_splinter_ports(struct bridge
*,
238 const unsigned long int *splinter_vlans
,
239 struct shash
*ports
);
241 /* Public functions. */
243 /* Initializes the bridge module, configuring it to obtain its configuration
244 * from an OVSDB server accessed over 'remote', which should be a string in a
245 * form acceptable to ovsdb_idl_create(). */
247 bridge_init(const char *remote
)
249 /* Create connection to database. */
250 idl
= ovsdb_idl_create(remote
, &ovsrec_idl_class
, true);
251 ovsdb_idl_set_lock(idl
, "ovs_vswitchd");
253 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_cur_cfg
);
254 ovsdb_idl_omit_alert(idl
, &ovsrec_open_vswitch_col_statistics
);
255 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_external_ids
);
256 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_ovs_version
);
257 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_db_version
);
258 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_type
);
259 ovsdb_idl_omit(idl
, &ovsrec_open_vswitch_col_system_version
);
261 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_datapath_id
);
262 ovsdb_idl_omit_alert(idl
, &ovsrec_bridge_col_status
);
263 ovsdb_idl_omit(idl
, &ovsrec_bridge_col_external_ids
);
265 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_status
);
266 ovsdb_idl_omit_alert(idl
, &ovsrec_port_col_statistics
);
267 ovsdb_idl_omit(idl
, &ovsrec_port_col_external_ids
);
268 ovsdb_idl_omit(idl
, &ovsrec_port_col_fake_bridge
);
270 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_admin_state
);
271 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_duplex
);
272 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_speed
);
273 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_state
);
274 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_link_resets
);
275 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_mtu
);
276 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_ofport
);
277 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_statistics
);
278 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_status
);
279 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault
);
280 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_fault_status
);
281 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_cfm_remote_mpids
);
282 ovsdb_idl_omit_alert(idl
, &ovsrec_interface_col_lacp_current
);
283 ovsdb_idl_omit(idl
, &ovsrec_interface_col_external_ids
);
285 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_is_connected
);
286 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_role
);
287 ovsdb_idl_omit_alert(idl
, &ovsrec_controller_col_status
);
288 ovsdb_idl_omit(idl
, &ovsrec_controller_col_external_ids
);
290 ovsdb_idl_omit(idl
, &ovsrec_qos_col_external_ids
);
292 ovsdb_idl_omit(idl
, &ovsrec_queue_col_external_ids
);
294 ovsdb_idl_omit(idl
, &ovsrec_mirror_col_external_ids
);
295 ovsdb_idl_omit_alert(idl
, &ovsrec_mirror_col_statistics
);
297 ovsdb_idl_omit(idl
, &ovsrec_netflow_col_external_ids
);
299 ovsdb_idl_omit(idl
, &ovsrec_sflow_col_external_ids
);
301 ovsdb_idl_omit(idl
, &ovsrec_manager_col_external_ids
);
302 ovsdb_idl_omit(idl
, &ovsrec_manager_col_inactivity_probe
);
303 ovsdb_idl_omit(idl
, &ovsrec_manager_col_is_connected
);
304 ovsdb_idl_omit(idl
, &ovsrec_manager_col_max_backoff
);
305 ovsdb_idl_omit(idl
, &ovsrec_manager_col_status
);
307 ovsdb_idl_omit(idl
, &ovsrec_ssl_col_external_ids
);
309 /* Register unixctl commands. */
310 unixctl_command_register("qos/show", "interface", 1, 1,
311 qos_unixctl_show
, NULL
);
312 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
313 bridge_unixctl_dump_flows
, NULL
);
314 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
315 bridge_unixctl_reconnect
, NULL
);
325 struct bridge
*br
, *next_br
;
327 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
330 ovsdb_idl_destroy(idl
);
333 /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
334 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
335 * responsible for freeing '*managersp' (with free()).
337 * You may be asking yourself "why does ovs-vswitchd care?", because
338 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
339 * should not be and in fact is not directly involved in that. But
340 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
341 * it has to tell in-band control where the managers are to enable that.
342 * (Thus, only managers connected in-band are collected.)
345 collect_in_band_managers(const struct ovsrec_open_vswitch
*ovs_cfg
,
346 struct sockaddr_in
**managersp
, size_t *n_managersp
)
348 struct sockaddr_in
*managers
= NULL
;
349 size_t n_managers
= 0;
353 /* Collect all of the potential targets from the "targets" columns of the
354 * rows pointed to by "manager_options", excluding any that are
357 for (i
= 0; i
< ovs_cfg
->n_manager_options
; i
++) {
358 struct ovsrec_manager
*m
= ovs_cfg
->manager_options
[i
];
360 if (m
->connection_mode
&& !strcmp(m
->connection_mode
, "out-of-band")) {
361 sset_find_and_delete(&targets
, m
->target
);
363 sset_add(&targets
, m
->target
);
367 /* Now extract the targets' IP addresses. */
368 if (!sset_is_empty(&targets
)) {
371 managers
= xmalloc(sset_count(&targets
) * sizeof *managers
);
372 SSET_FOR_EACH (target
, &targets
) {
373 struct sockaddr_in
*sin
= &managers
[n_managers
];
375 if (stream_parse_target_with_default_ports(target
,
383 sset_destroy(&targets
);
385 *managersp
= managers
;
386 *n_managersp
= n_managers
;
390 bridge_reconfigure(const struct ovsrec_open_vswitch
*ovs_cfg
)
392 unsigned long int *splinter_vlans
;
393 struct sockaddr_in
*managers
;
394 struct bridge
*br
, *next
;
395 int sflow_bridge_number
;
398 COVERAGE_INC(bridge_reconfigure
);
400 /* Create and destroy "struct bridge"s, "struct port"s, and "struct
401 * iface"s according to 'ovs_cfg', with only very minimal configuration
404 * This is mostly an update to bridge data structures. Very little is
405 * pushed down to ofproto or lower layers. */
406 add_del_bridges(ovs_cfg
);
407 splinter_vlans
= collect_splinter_vlans(ovs_cfg
);
408 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
409 bridge_add_del_ports(br
, splinter_vlans
);
411 free(splinter_vlans
);
413 /* Delete all datapaths and datapath ports that are no longer configured.
415 * The kernel will reject any attempt to add a given port to a datapath if
416 * that port already belongs to a different datapath, so we must do all
417 * port deletions before any port additions. A datapath always has a
418 * "local port" so we must delete not-configured datapaths too. */
419 bridge_del_ofprotos();
420 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
422 bridge_del_ofproto_ports(br
);
426 /* Create datapaths and datapath ports that are missing.
428 * After this is done, we have our final set of bridges, ports, and
429 * interfaces. Every "struct bridge" has an ofproto, every "struct port"
430 * has at least one iface, every "struct iface" has a valid ofp_port and
432 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
434 if (bridge_add_ofprotos(br
)) {
435 bridge_del_ofproto_ports(br
);
441 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
442 bridge_refresh_ofp_port(br
);
443 bridge_add_ofproto_ports(br
);
446 /* Complete the configuration. */
447 sflow_bridge_number
= 0;
448 collect_in_band_managers(ovs_cfg
, &managers
, &n_managers
);
449 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
452 /* We need the datapath ID early to allow LACP ports to use it as the
453 * default system ID. */
454 bridge_configure_datapath_id(br
);
456 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
459 port_configure(port
);
461 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
462 iface_configure_cfm(iface
);
463 iface_configure_qos(iface
, port
->cfg
->qos
);
464 iface_set_mac(iface
);
467 bridge_configure_mirrors(br
);
468 bridge_configure_flow_eviction_threshold(br
);
469 bridge_configure_forward_bpdu(br
);
470 bridge_configure_mac_idle_time(br
);
471 bridge_configure_remotes(br
, managers
, n_managers
);
472 bridge_configure_netflow(br
);
473 bridge_configure_sflow(br
, &sflow_bridge_number
);
474 bridge_configure_stp(br
);
475 bridge_configure_tables(br
);
479 /* ovs-vswitchd has completed initialization, so allow the process that
480 * forked us to exit successfully. */
481 daemonize_complete();
484 /* Iterate over all ofprotos and delete any of them that do not have a
485 * configured bridge or that are the wrong type. */
487 bridge_del_ofprotos(void)
495 ofproto_enumerate_types(&types
);
496 SSET_FOR_EACH (type
, &types
) {
499 ofproto_enumerate_names(type
, &names
);
500 SSET_FOR_EACH (name
, &names
) {
501 struct bridge
*br
= bridge_lookup(name
);
502 if (!br
|| strcmp(type
, br
->type
)) {
503 ofproto_delete(name
, type
);
507 sset_destroy(&names
);
508 sset_destroy(&types
);
512 bridge_add_ofprotos(struct bridge
*br
)
514 int error
= ofproto_create(br
->name
, br
->type
, &br
->ofproto
);
516 VLOG_ERR("failed to create bridge %s: %s", br
->name
, strerror(error
));
523 port_configure(struct port
*port
)
525 const struct ovsrec_port
*cfg
= port
->cfg
;
526 struct bond_settings bond_settings
;
527 struct lacp_settings lacp_settings
;
528 struct ofproto_bundle_settings s
;
531 if (cfg
->vlan_mode
&& !strcmp(cfg
->vlan_mode
, "splinter")) {
532 configure_splinter_port(port
);
541 s
.slaves
= xmalloc(list_size(&port
->ifaces
) * sizeof *s
.slaves
);
542 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
543 s
.slaves
[s
.n_slaves
++] = iface
->ofp_port
;
548 if (cfg
->tag
&& *cfg
->tag
>= 0 && *cfg
->tag
<= 4095) {
552 /* Get VLAN trunks. */
555 s
.trunks
= vlan_bitmap_from_array(cfg
->trunks
, cfg
->n_trunks
);
559 if (cfg
->vlan_mode
) {
560 if (!strcmp(cfg
->vlan_mode
, "access")) {
561 s
.vlan_mode
= PORT_VLAN_ACCESS
;
562 } else if (!strcmp(cfg
->vlan_mode
, "trunk")) {
563 s
.vlan_mode
= PORT_VLAN_TRUNK
;
564 } else if (!strcmp(cfg
->vlan_mode
, "native-tagged")) {
565 s
.vlan_mode
= PORT_VLAN_NATIVE_TAGGED
;
566 } else if (!strcmp(cfg
->vlan_mode
, "native-untagged")) {
567 s
.vlan_mode
= PORT_VLAN_NATIVE_UNTAGGED
;
569 /* This "can't happen" because ovsdb-server should prevent it. */
570 VLOG_ERR("unknown VLAN mode %s", cfg
->vlan_mode
);
571 s
.vlan_mode
= PORT_VLAN_TRUNK
;
575 s
.vlan_mode
= PORT_VLAN_ACCESS
;
577 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
581 s
.vlan_mode
= PORT_VLAN_TRUNK
;
584 s
.use_priority_tags
= !strcmp("true", ovsrec_port_get_other_config_value(
585 cfg
, "priority-tags", ""));
587 /* Get LACP settings. */
588 s
.lacp
= port_configure_lacp(port
, &lacp_settings
);
592 s
.lacp_slaves
= xmalloc(s
.n_slaves
* sizeof *s
.lacp_slaves
);
593 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
594 iface_configure_lacp(iface
, &s
.lacp_slaves
[i
++]);
597 s
.lacp_slaves
= NULL
;
600 /* Get bond settings. */
601 if (s
.n_slaves
> 1) {
602 s
.bond
= &bond_settings
;
603 s
.bond_stable_ids
= xmalloc(s
.n_slaves
* sizeof *s
.bond_stable_ids
);
604 port_configure_bond(port
, &bond_settings
, s
.bond_stable_ids
);
607 s
.bond_stable_ids
= NULL
;
609 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
610 netdev_set_miimon_interval(iface
->netdev
, 0);
615 ofproto_bundle_register(port
->bridge
->ofproto
, port
, &s
);
621 free(s
.bond_stable_ids
);
624 /* Pick local port hardware address and datapath ID for 'br'. */
626 bridge_configure_datapath_id(struct bridge
*br
)
628 uint8_t ea
[ETH_ADDR_LEN
];
630 struct iface
*local_iface
;
631 struct iface
*hw_addr_iface
;
634 bridge_pick_local_hw_addr(br
, ea
, &hw_addr_iface
);
635 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
637 int error
= netdev_set_etheraddr(local_iface
->netdev
, ea
);
639 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
640 VLOG_ERR_RL(&rl
, "bridge %s: failed to set bridge "
641 "Ethernet address: %s",
642 br
->name
, strerror(error
));
645 memcpy(br
->ea
, ea
, ETH_ADDR_LEN
);
647 dpid
= bridge_pick_datapath_id(br
, ea
, hw_addr_iface
);
648 ofproto_set_datapath_id(br
->ofproto
, dpid
);
650 dpid_string
= xasprintf("%016"PRIx64
, dpid
);
651 ovsrec_bridge_set_datapath_id(br
->cfg
, dpid_string
);
655 /* Set NetFlow configuration on 'br'. */
657 bridge_configure_netflow(struct bridge
*br
)
659 struct ovsrec_netflow
*cfg
= br
->cfg
->netflow
;
660 struct netflow_options opts
;
663 ofproto_set_netflow(br
->ofproto
, NULL
);
667 memset(&opts
, 0, sizeof opts
);
669 /* Get default NetFlow configuration from datapath.
670 * Apply overrides from 'cfg'. */
671 ofproto_get_netflow_ids(br
->ofproto
, &opts
.engine_type
, &opts
.engine_id
);
672 if (cfg
->engine_type
) {
673 opts
.engine_type
= *cfg
->engine_type
;
675 if (cfg
->engine_id
) {
676 opts
.engine_id
= *cfg
->engine_id
;
679 /* Configure active timeout interval. */
680 opts
.active_timeout
= cfg
->active_timeout
;
681 if (!opts
.active_timeout
) {
682 opts
.active_timeout
= -1;
683 } else if (opts
.active_timeout
< 0) {
684 VLOG_WARN("bridge %s: active timeout interval set to negative "
685 "value, using default instead (%d seconds)", br
->name
,
686 NF_ACTIVE_TIMEOUT_DEFAULT
);
687 opts
.active_timeout
= -1;
690 /* Add engine ID to interface number to disambiguate bridgs? */
691 opts
.add_id_to_iface
= cfg
->add_id_to_interface
;
692 if (opts
.add_id_to_iface
) {
693 if (opts
.engine_id
> 0x7f) {
694 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
695 "another vswitch, choose an engine id less than 128",
698 if (hmap_count(&br
->ports
) > 508) {
699 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
700 "another port when more than 508 ports are used",
706 sset_init(&opts
.collectors
);
707 sset_add_array(&opts
.collectors
, cfg
->targets
, cfg
->n_targets
);
710 if (ofproto_set_netflow(br
->ofproto
, &opts
)) {
711 VLOG_ERR("bridge %s: problem setting netflow collectors", br
->name
);
713 sset_destroy(&opts
.collectors
);
716 /* Set sFlow configuration on 'br'. */
718 bridge_configure_sflow(struct bridge
*br
, int *sflow_bridge_number
)
720 const struct ovsrec_sflow
*cfg
= br
->cfg
->sflow
;
721 struct ovsrec_controller
**controllers
;
722 struct ofproto_sflow_options oso
;
723 size_t n_controllers
;
727 ofproto_set_sflow(br
->ofproto
, NULL
);
731 memset(&oso
, 0, sizeof oso
);
733 sset_init(&oso
.targets
);
734 sset_add_array(&oso
.targets
, cfg
->targets
, cfg
->n_targets
);
736 oso
.sampling_rate
= SFL_DEFAULT_SAMPLING_RATE
;
738 oso
.sampling_rate
= *cfg
->sampling
;
741 oso
.polling_interval
= SFL_DEFAULT_POLLING_INTERVAL
;
743 oso
.polling_interval
= *cfg
->polling
;
746 oso
.header_len
= SFL_DEFAULT_HEADER_SIZE
;
748 oso
.header_len
= *cfg
->header
;
751 oso
.sub_id
= (*sflow_bridge_number
)++;
752 oso
.agent_device
= cfg
->agent
;
754 oso
.control_ip
= NULL
;
755 n_controllers
= bridge_get_controllers(br
, &controllers
);
756 for (i
= 0; i
< n_controllers
; i
++) {
757 if (controllers
[i
]->local_ip
) {
758 oso
.control_ip
= controllers
[i
]->local_ip
;
762 ofproto_set_sflow(br
->ofproto
, &oso
);
764 sset_destroy(&oso
.targets
);
768 port_configure_stp(const struct ofproto
*ofproto
, struct port
*port
,
769 struct ofproto_port_stp_settings
*port_s
,
770 int *port_num_counter
, unsigned long *port_num_bitmap
)
772 const char *config_str
;
775 config_str
= ovsrec_port_get_other_config_value(port
->cfg
, "stp-enable",
777 if (config_str
&& !strcmp(config_str
, "false")) {
778 port_s
->enable
= false;
781 port_s
->enable
= true;
784 /* STP over bonds is not supported. */
785 if (!list_is_singleton(&port
->ifaces
)) {
786 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
788 port_s
->enable
= false;
792 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
794 /* Internal ports shouldn't participate in spanning tree, so
796 if (!strcmp(iface
->type
, "internal")) {
797 VLOG_DBG("port %s: disable STP on internal ports", port
->name
);
798 port_s
->enable
= false;
802 /* STP on mirror output ports is not supported. */
803 if (ofproto_is_mirror_output_bundle(ofproto
, port
)) {
804 VLOG_DBG("port %s: disable STP on mirror ports", port
->name
);
805 port_s
->enable
= false;
809 config_str
= ovsrec_port_get_other_config_value(port
->cfg
, "stp-port-num",
812 unsigned long int port_num
= strtoul(config_str
, NULL
, 0);
813 int port_idx
= port_num
- 1;
815 if (port_num
< 1 || port_num
> STP_MAX_PORTS
) {
816 VLOG_ERR("port %s: invalid stp-port-num", port
->name
);
817 port_s
->enable
= false;
821 if (bitmap_is_set(port_num_bitmap
, port_idx
)) {
822 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
823 port
->name
, port_num
);
824 port_s
->enable
= false;
827 bitmap_set1(port_num_bitmap
, port_idx
);
828 port_s
->port_num
= port_idx
;
830 if (*port_num_counter
> STP_MAX_PORTS
) {
831 VLOG_ERR("port %s: too many STP ports, disabling", port
->name
);
832 port_s
->enable
= false;
836 port_s
->port_num
= (*port_num_counter
)++;
839 config_str
= ovsrec_port_get_other_config_value(port
->cfg
, "stp-path-cost",
842 port_s
->path_cost
= strtoul(config_str
, NULL
, 10);
844 enum netdev_features current
;
846 if (netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
)) {
847 /* Couldn't get speed, so assume 100Mb/s. */
848 port_s
->path_cost
= 19;
852 mbps
= netdev_features_to_bps(current
) / 1000000;
853 port_s
->path_cost
= stp_convert_speed_to_cost(mbps
);
857 config_str
= ovsrec_port_get_other_config_value(port
->cfg
,
861 port_s
->priority
= strtoul(config_str
, NULL
, 0);
863 port_s
->priority
= STP_DEFAULT_PORT_PRIORITY
;
867 /* Set spanning tree configuration on 'br'. */
869 bridge_configure_stp(struct bridge
*br
)
871 if (!br
->cfg
->stp_enable
) {
872 ofproto_set_stp(br
->ofproto
, NULL
);
874 struct ofproto_stp_settings br_s
;
875 const char *config_str
;
877 int port_num_counter
;
878 unsigned long *port_num_bitmap
;
880 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
884 uint8_t ea
[ETH_ADDR_LEN
];
886 if (eth_addr_from_string(config_str
, ea
)) {
887 br_s
.system_id
= eth_addr_to_uint64(ea
);
889 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
890 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
891 "to "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(br
->ea
));
894 br_s
.system_id
= eth_addr_to_uint64(br
->ea
);
897 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
901 br_s
.priority
= strtoul(config_str
, NULL
, 0);
903 br_s
.priority
= STP_DEFAULT_BRIDGE_PRIORITY
;
906 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
910 br_s
.hello_time
= strtoul(config_str
, NULL
, 10) * 1000;
912 br_s
.hello_time
= STP_DEFAULT_HELLO_TIME
;
915 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
919 br_s
.max_age
= strtoul(config_str
, NULL
, 10) * 1000;
921 br_s
.max_age
= STP_DEFAULT_MAX_AGE
;
924 config_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
928 br_s
.fwd_delay
= strtoul(config_str
, NULL
, 10) * 1000;
930 br_s
.fwd_delay
= STP_DEFAULT_FWD_DELAY
;
933 /* Configure STP on the bridge. */
934 if (ofproto_set_stp(br
->ofproto
, &br_s
)) {
935 VLOG_ERR("bridge %s: could not enable STP", br
->name
);
939 /* Users must either set the port number with the "stp-port-num"
940 * configuration on all ports or none. If manual configuration
941 * is not done, then we allocate them sequentially. */
942 port_num_counter
= 0;
943 port_num_bitmap
= bitmap_allocate(STP_MAX_PORTS
);
944 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
945 struct ofproto_port_stp_settings port_s
;
948 port_configure_stp(br
->ofproto
, port
, &port_s
,
949 &port_num_counter
, port_num_bitmap
);
951 /* As bonds are not supported, just apply configuration to
953 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
954 if (ofproto_port_set_stp(br
->ofproto
, iface
->ofp_port
,
956 VLOG_ERR("port %s: could not enable STP", port
->name
);
962 if (bitmap_scan(port_num_bitmap
, 0, STP_MAX_PORTS
) != STP_MAX_PORTS
963 && port_num_counter
) {
964 VLOG_ERR("bridge %s: must manually configure all STP port "
965 "IDs or none, disabling", br
->name
);
966 ofproto_set_stp(br
->ofproto
, NULL
);
968 bitmap_free(port_num_bitmap
);
973 bridge_has_bond_fake_iface(const struct bridge
*br
, const char *name
)
975 const struct port
*port
= port_lookup(br
, name
);
976 return port
&& port_is_bond_fake_iface(port
);
980 port_is_bond_fake_iface(const struct port
*port
)
982 return port
->cfg
->bond_fake_iface
&& !list_is_short(&port
->ifaces
);
986 add_del_bridges(const struct ovsrec_open_vswitch
*cfg
)
988 struct bridge
*br
, *next
;
992 /* Collect new bridges' names and types. */
994 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
995 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
996 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
998 if (strchr(br_cfg
->name
, '/')) {
999 /* Prevent remote ovsdb-server users from accessing arbitrary
1000 * directories, e.g. consider a bridge named "../../../etc/". */
1001 VLOG_WARN_RL(&rl
, "ignoring bridge with invalid name \"%s\"",
1003 } else if (!shash_add_once(&new_br
, br_cfg
->name
, br_cfg
)) {
1004 VLOG_WARN_RL(&rl
, "bridge %s specified twice", br_cfg
->name
);
1008 /* Get rid of deleted bridges or those whose types have changed.
1009 * Update 'cfg' of bridges that still exist. */
1010 HMAP_FOR_EACH_SAFE (br
, next
, node
, &all_bridges
) {
1011 br
->cfg
= shash_find_data(&new_br
, br
->name
);
1012 if (!br
->cfg
|| strcmp(br
->type
, ofproto_normalize_type(
1013 br
->cfg
->datapath_type
))) {
1018 /* Add new bridges. */
1019 for (i
= 0; i
< cfg
->n_bridges
; i
++) {
1020 const struct ovsrec_bridge
*br_cfg
= cfg
->bridges
[i
];
1021 struct bridge
*br
= bridge_lookup(br_cfg
->name
);
1023 bridge_create(br_cfg
);
1027 shash_destroy(&new_br
);
1030 /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct
1033 * The kernel will reject any attempt to add a given port to a datapath if that
1034 * port already belongs to a different datapath, so we must do all port
1035 * deletions before any port additions. */
1037 bridge_del_ofproto_ports(struct bridge
*br
)
1039 struct ofproto_port_dump dump
;
1040 struct ofproto_port ofproto_port
;
1042 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
1043 const char *name
= ofproto_port
.name
;
1044 struct iface
*iface
;
1048 /* Ignore the local port. We can't change it anyhow. */
1049 if (!strcmp(name
, br
->name
)) {
1053 /* Get the type that 'ofproto_port' should have (ordinarily the
1054 * type of its corresponding iface) or NULL if it should be
1056 iface
= iface_lookup(br
, name
);
1057 type
= (iface
? iface
->type
1058 : bridge_has_bond_fake_iface(br
, name
) ? "internal"
1061 /* If it's the wrong type then delete the ofproto port. */
1063 && !strcmp(ofproto_port
.type
, type
)
1064 && (!iface
|| !iface
->netdev
1065 || !strcmp(netdev_get_type(iface
->netdev
), type
))) {
1068 error
= ofproto_port_del(br
->ofproto
, ofproto_port
.ofp_port
);
1070 VLOG_WARN("bridge %s: failed to remove %s interface (%s)",
1071 br
->name
, name
, strerror(error
));
1074 netdev_close(iface
->netdev
);
1075 iface
->netdev
= NULL
;
1081 iface_set_ofp_port(struct iface
*iface
, int ofp_port
)
1083 struct bridge
*br
= iface
->port
->bridge
;
1085 assert(iface
->ofp_port
< 0 && ofp_port
>= 0);
1086 iface
->ofp_port
= ofp_port
;
1087 hmap_insert(&br
->ifaces
, &iface
->ofp_port_node
, hash_int(ofp_port
, 0));
1088 iface_set_ofport(iface
->cfg
, ofp_port
);
1092 bridge_refresh_ofp_port(struct bridge
*br
)
1094 struct ofproto_port_dump dump
;
1095 struct ofproto_port ofproto_port
;
1098 /* Clear all the "ofp_port"es. */
1099 hmap_clear(&br
->ifaces
);
1100 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1101 struct iface
*iface
;
1103 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1104 iface
->ofp_port
= -1;
1108 /* Obtain the correct "ofp_port"s from ofproto. */
1109 OFPROTO_PORT_FOR_EACH (&ofproto_port
, &dump
, br
->ofproto
) {
1110 struct iface
*iface
= iface_lookup(br
, ofproto_port
.name
);
1112 if (iface
->ofp_port
>= 0) {
1113 VLOG_WARN("bridge %s: interface %s reported twice",
1114 br
->name
, ofproto_port
.name
);
1115 } else if (iface_from_ofp_port(br
, ofproto_port
.ofp_port
)) {
1116 VLOG_WARN("bridge %s: interface %"PRIu16
" reported twice",
1117 br
->name
, ofproto_port
.ofp_port
);
1119 iface_set_ofp_port(iface
, ofproto_port
.ofp_port
);
1125 /* Add an ofproto port for any "struct iface" that doesn't have one.
1126 * Delete any "struct iface" for which this fails.
1127 * Delete any "struct port" that thereby ends up with no ifaces. */
1129 bridge_add_ofproto_ports(struct bridge
*br
)
1131 struct port
*port
, *next_port
;
1133 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
1134 struct iface
*iface
, *next_iface
;
1135 struct ofproto_port ofproto_port
;
1137 LIST_FOR_EACH_SAFE (iface
, next_iface
, port_elem
, &port
->ifaces
) {
1140 /* Open the netdev. */
1141 if (!iface
->netdev
) {
1142 error
= netdev_open(iface
->name
, iface
->type
, &iface
->netdev
);
1144 VLOG_WARN("could not open network device %s (%s)",
1145 iface
->name
, strerror(error
));
1149 && port
->cfg
->vlan_mode
1150 && !strcmp(port
->cfg
->vlan_mode
, "splinter")) {
1151 netdev_turn_flags_on(iface
->netdev
, NETDEV_UP
, true);
1157 /* Configure the netdev. */
1158 if (iface
->netdev
) {
1162 shash_from_ovs_idl_map(iface
->cfg
->key_options
,
1163 iface
->cfg
->value_options
,
1164 iface
->cfg
->n_options
, &args
);
1165 error
= netdev_set_config(iface
->netdev
, &args
);
1166 shash_destroy(&args
);
1169 VLOG_WARN("could not configure network device %s (%s)",
1170 iface
->name
, strerror(error
));
1171 netdev_close(iface
->netdev
);
1172 iface
->netdev
= NULL
;
1176 /* Add the port, if necessary. */
1177 if (iface
->netdev
&& iface
->ofp_port
< 0) {
1181 error
= ofproto_port_add(br
->ofproto
, iface
->netdev
,
1184 iface_set_ofp_port(iface
, ofp_port
);
1186 netdev_close(iface
->netdev
);
1187 iface
->netdev
= NULL
;
1191 /* Populate stats columns in new Interface rows. */
1192 if (iface
->netdev
&& !iface
->cfg
->mtu
) {
1193 iface_refresh_stats(iface
);
1194 iface_refresh_status(iface
);
1197 /* Delete the iface if we failed. */
1198 if (iface
->netdev
&& iface
->ofp_port
>= 0) {
1199 VLOG_DBG("bridge %s: interface %s is on port %d",
1200 br
->name
, iface
->name
, iface
->ofp_port
);
1202 if (iface
->netdev
) {
1203 VLOG_ERR("bridge %s: missing %s interface, dropping",
1204 br
->name
, iface
->name
);
1206 /* We already reported a related error, don't bother
1207 * duplicating it. */
1209 iface_clear_db_record(iface
->cfg
);
1210 iface_destroy(iface
);
1213 if (list_is_empty(&port
->ifaces
)) {
1214 VLOG_WARN("%s port has no interfaces, dropping", port
->name
);
1219 /* Add bond fake iface if necessary. */
1220 if (port_is_bond_fake_iface(port
)) {
1221 if (ofproto_port_query_by_name(br
->ofproto
, port
->name
,
1223 struct netdev
*netdev
;
1226 error
= netdev_open(port
->name
, "internal", &netdev
);
1228 ofproto_port_add(br
->ofproto
, netdev
, NULL
);
1229 netdev_close(netdev
);
1231 VLOG_WARN("could not open network device %s (%s)",
1232 port
->name
, strerror(error
));
1235 /* Already exists, nothing to do. */
1236 ofproto_port_destroy(&ofproto_port
);
1242 /* Set Flow eviction threshold */
1244 bridge_configure_flow_eviction_threshold(struct bridge
*br
)
1246 const char *threshold_str
;
1250 ovsrec_bridge_get_other_config_value(br
->cfg
,
1251 "flow-eviction-threshold",
1253 if (threshold_str
) {
1254 threshold
= strtoul(threshold_str
, NULL
, 10);
1256 threshold
= OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT
;
1258 ofproto_set_flow_eviction_threshold(br
->ofproto
, threshold
);
1261 /* Set forward BPDU option. */
1263 bridge_configure_forward_bpdu(struct bridge
*br
)
1265 const char *forward_bpdu_str
;
1266 bool forward_bpdu
= false;
1268 forward_bpdu_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
1271 if (forward_bpdu_str
&& !strcmp(forward_bpdu_str
, "true")) {
1272 forward_bpdu
= true;
1274 ofproto_set_forward_bpdu(br
->ofproto
, forward_bpdu
);
1277 /* Set MAC aging time for 'br'. */
1279 bridge_configure_mac_idle_time(struct bridge
*br
)
1281 const char *idle_time_str
;
1284 idle_time_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
1287 idle_time
= (idle_time_str
&& atoi(idle_time_str
)
1288 ? atoi(idle_time_str
)
1289 : MAC_ENTRY_DEFAULT_IDLE_TIME
);
1290 ofproto_set_mac_idle_time(br
->ofproto
, idle_time
);
1294 bridge_pick_local_hw_addr(struct bridge
*br
, uint8_t ea
[ETH_ADDR_LEN
],
1295 struct iface
**hw_addr_iface
)
1297 struct hmapx mirror_output_ports
;
1300 bool found_addr
= false;
1304 *hw_addr_iface
= NULL
;
1306 /* Did the user request a particular MAC? */
1307 hwaddr
= ovsrec_bridge_get_other_config_value(br
->cfg
, "hwaddr", NULL
);
1308 if (hwaddr
&& eth_addr_from_string(hwaddr
, ea
)) {
1309 if (eth_addr_is_multicast(ea
)) {
1310 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1311 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1312 } else if (eth_addr_is_zero(ea
)) {
1313 VLOG_ERR("bridge %s: cannot set MAC address to zero", br
->name
);
1319 /* Mirror output ports don't participate in picking the local hardware
1320 * address. ofproto can't help us find out whether a given port is a
1321 * mirror output because we haven't configured mirrors yet, so we need to
1322 * accumulate them ourselves. */
1323 hmapx_init(&mirror_output_ports
);
1324 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
1325 struct ovsrec_mirror
*m
= br
->cfg
->mirrors
[i
];
1326 if (m
->output_port
) {
1327 hmapx_add(&mirror_output_ports
, m
->output_port
);
1331 /* Otherwise choose the minimum non-local MAC address among all of the
1333 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1334 uint8_t iface_ea
[ETH_ADDR_LEN
];
1335 struct iface
*candidate
;
1336 struct iface
*iface
;
1338 /* Mirror output ports don't participate. */
1339 if (hmapx_contains(&mirror_output_ports
, port
->cfg
)) {
1343 /* Choose the MAC address to represent the port. */
1345 if (port
->cfg
->mac
&& eth_addr_from_string(port
->cfg
->mac
, iface_ea
)) {
1346 /* Find the interface with this Ethernet address (if any) so that
1347 * we can provide the correct devname to the caller. */
1348 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1349 uint8_t candidate_ea
[ETH_ADDR_LEN
];
1350 if (!netdev_get_etheraddr(candidate
->netdev
, candidate_ea
)
1351 && eth_addr_equals(iface_ea
, candidate_ea
)) {
1356 /* Choose the interface whose MAC address will represent the port.
1357 * The Linux kernel bonding code always chooses the MAC address of
1358 * the first slave added to a bond, and the Fedora networking
1359 * scripts always add slaves to a bond in alphabetical order, so
1360 * for compatibility we choose the interface with the name that is
1361 * first in alphabetical order. */
1362 LIST_FOR_EACH (candidate
, port_elem
, &port
->ifaces
) {
1363 if (!iface
|| strcmp(candidate
->name
, iface
->name
) < 0) {
1368 /* The local port doesn't count (since we're trying to choose its
1369 * MAC address anyway). */
1370 if (iface
->ofp_port
== OFPP_LOCAL
) {
1375 error
= netdev_get_etheraddr(iface
->netdev
, iface_ea
);
1381 /* Compare against our current choice. */
1382 if (!eth_addr_is_multicast(iface_ea
) &&
1383 !eth_addr_is_local(iface_ea
) &&
1384 !eth_addr_is_reserved(iface_ea
) &&
1385 !eth_addr_is_zero(iface_ea
) &&
1386 (!found_addr
|| eth_addr_compare_3way(iface_ea
, ea
) < 0))
1388 memcpy(ea
, iface_ea
, ETH_ADDR_LEN
);
1389 *hw_addr_iface
= iface
;
1394 VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT
,
1395 br
->name
, ETH_ADDR_ARGS(ea
));
1397 memcpy(ea
, br
->default_ea
, ETH_ADDR_LEN
);
1398 *hw_addr_iface
= NULL
;
1399 VLOG_WARN("bridge %s: using default bridge Ethernet "
1400 "address "ETH_ADDR_FMT
, br
->name
, ETH_ADDR_ARGS(ea
));
1403 hmapx_destroy(&mirror_output_ports
);
1406 /* Choose and returns the datapath ID for bridge 'br' given that the bridge
1407 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
1408 * an interface on 'br', then that interface must be passed in as
1409 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1410 * 'hw_addr_iface' must be passed in as a null pointer. */
1412 bridge_pick_datapath_id(struct bridge
*br
,
1413 const uint8_t bridge_ea
[ETH_ADDR_LEN
],
1414 struct iface
*hw_addr_iface
)
1417 * The procedure for choosing a bridge MAC address will, in the most
1418 * ordinary case, also choose a unique MAC that we can use as a datapath
1419 * ID. In some special cases, though, multiple bridges will end up with
1420 * the same MAC address. This is OK for the bridges, but it will confuse
1421 * the OpenFlow controller, because each datapath needs a unique datapath
1424 * Datapath IDs must be unique. It is also very desirable that they be
1425 * stable from one run to the next, so that policy set on a datapath
1428 const char *datapath_id
;
1431 datapath_id
= ovsrec_bridge_get_other_config_value(br
->cfg
, "datapath-id",
1433 if (datapath_id
&& dpid_from_string(datapath_id
, &dpid
)) {
1437 if (!hw_addr_iface
) {
1439 * A purely internal bridge, that is, one that has no non-virtual
1440 * network devices on it at all, is difficult because it has no
1441 * natural unique identifier at all.
1443 * When the host is a XenServer, we handle this case by hashing the
1444 * host's UUID with the name of the bridge. Names of bridges are
1445 * persistent across XenServer reboots, although they can be reused if
1446 * an internal network is destroyed and then a new one is later
1447 * created, so this is fairly effective.
1449 * When the host is not a XenServer, we punt by using a random MAC
1450 * address on each run.
1452 const char *host_uuid
= xenserver_get_host_uuid();
1454 char *combined
= xasprintf("%s,%s", host_uuid
, br
->name
);
1455 dpid
= dpid_from_hash(combined
, strlen(combined
));
1461 return eth_addr_to_uint64(bridge_ea
);
1465 dpid_from_hash(const void *data
, size_t n
)
1467 uint8_t hash
[SHA1_DIGEST_SIZE
];
1469 BUILD_ASSERT_DECL(sizeof hash
>= ETH_ADDR_LEN
);
1470 sha1_bytes(data
, n
, hash
);
1471 eth_addr_mark_random(hash
);
1472 return eth_addr_to_uint64(hash
);
1476 iface_refresh_status(struct iface
*iface
)
1480 enum netdev_features current
;
1481 enum netdev_flags flags
;
1487 if (iface_is_synthetic(iface
)) {
1493 if (!netdev_get_drv_info(iface
->netdev
, &sh
)) {
1495 char **keys
, **values
;
1497 shash_to_ovs_idl_map(&sh
, &keys
, &values
, &n
);
1498 ovsrec_interface_set_status(iface
->cfg
, keys
, values
, n
);
1503 ovsrec_interface_set_status(iface
->cfg
, NULL
, NULL
, 0);
1506 shash_destroy_free_data(&sh
);
1508 error
= netdev_get_flags(iface
->netdev
, &flags
);
1510 ovsrec_interface_set_admin_state(iface
->cfg
,
1511 flags
& NETDEV_UP
? "up" : "down");
1514 ovsrec_interface_set_admin_state(iface
->cfg
, NULL
);
1517 error
= netdev_get_features(iface
->netdev
, ¤t
, NULL
, NULL
, NULL
);
1519 ovsrec_interface_set_duplex(iface
->cfg
,
1520 netdev_features_is_full_duplex(current
)
1522 /* warning: uint64_t -> int64_t conversion */
1523 bps
= netdev_features_to_bps(current
);
1524 ovsrec_interface_set_link_speed(iface
->cfg
, &bps
, 1);
1527 ovsrec_interface_set_duplex(iface
->cfg
, NULL
);
1528 ovsrec_interface_set_link_speed(iface
->cfg
, NULL
, 0);
1531 error
= netdev_get_mtu(iface
->netdev
, &mtu
);
1534 ovsrec_interface_set_mtu(iface
->cfg
, &mtu_64
, 1);
1537 ovsrec_interface_set_mtu(iface
->cfg
, NULL
, 0);
1541 /* Writes 'iface''s CFM statistics to the database. */
1543 iface_refresh_cfm_stats(struct iface
*iface
)
1545 const struct ovsrec_interface
*cfg
= iface
->cfg
;
1547 const uint64_t *rmps
;
1550 if (iface_is_synthetic(iface
)) {
1554 fault
= ofproto_port_get_cfm_fault(iface
->port
->bridge
->ofproto
,
1557 const char *reasons
[CFM_FAULT_N_REASONS
];
1558 bool fault_bool
= fault
;
1562 for (i
= 0; i
< CFM_FAULT_N_REASONS
; i
++) {
1563 int reason
= 1 << i
;
1564 if (fault
& reason
) {
1565 reasons
[j
++] = cfm_fault_reason_to_str(reason
);
1569 ovsrec_interface_set_cfm_fault(cfg
, &fault_bool
, 1);
1570 ovsrec_interface_set_cfm_fault_status(cfg
, (char **) reasons
, j
);
1572 ovsrec_interface_set_cfm_fault(cfg
, NULL
, 0);
1573 ovsrec_interface_set_cfm_fault_status(cfg
, NULL
, 0);
1576 error
= ofproto_port_get_cfm_remote_mpids(iface
->port
->bridge
->ofproto
,
1577 iface
->ofp_port
, &rmps
, &n_rmps
);
1579 ovsrec_interface_set_cfm_remote_mpids(cfg
, (const int64_t *)rmps
,
1582 ovsrec_interface_set_cfm_remote_mpids(cfg
, NULL
, 0);
1587 iface_refresh_stats(struct iface
*iface
)
1589 #define IFACE_STATS \
1590 IFACE_STAT(rx_packets, "rx_packets") \
1591 IFACE_STAT(tx_packets, "tx_packets") \
1592 IFACE_STAT(rx_bytes, "rx_bytes") \
1593 IFACE_STAT(tx_bytes, "tx_bytes") \
1594 IFACE_STAT(rx_dropped, "rx_dropped") \
1595 IFACE_STAT(tx_dropped, "tx_dropped") \
1596 IFACE_STAT(rx_errors, "rx_errors") \
1597 IFACE_STAT(tx_errors, "tx_errors") \
1598 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1599 IFACE_STAT(rx_over_errors, "rx_over_err") \
1600 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1601 IFACE_STAT(collisions, "collisions")
1603 #define IFACE_STAT(MEMBER, NAME) NAME,
1604 static char *keys
[] = { IFACE_STATS
};
1606 int64_t values
[ARRAY_SIZE(keys
)];
1609 struct netdev_stats stats
;
1611 if (iface_is_synthetic(iface
)) {
1615 /* Intentionally ignore return value, since errors will set 'stats' to
1616 * all-1s, and we will deal with that correctly below. */
1617 netdev_get_stats(iface
->netdev
, &stats
);
1619 /* Copy statistics into values[] array. */
1621 #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1624 assert(i
== ARRAY_SIZE(keys
));
1626 ovsrec_interface_set_statistics(iface
->cfg
, keys
, values
,
1632 br_refresh_stp_status(struct bridge
*br
)
1634 struct ofproto
*ofproto
= br
->ofproto
;
1635 struct ofproto_stp_status status
;
1636 char *keys
[3], *values
[3];
1639 if (ofproto_get_stp_status(ofproto
, &status
)) {
1643 if (!status
.enabled
) {
1644 ovsrec_bridge_set_status(br
->cfg
, NULL
, NULL
, 0);
1648 keys
[0] = "stp_bridge_id",
1649 values
[0] = xasprintf(STP_ID_FMT
, STP_ID_ARGS(status
.bridge_id
));
1650 keys
[1] = "stp_designated_root",
1651 values
[1] = xasprintf(STP_ID_FMT
, STP_ID_ARGS(status
.designated_root
));
1652 keys
[2] = "stp_root_path_cost",
1653 values
[2] = xasprintf("%d", status
.root_path_cost
);
1655 ovsrec_bridge_set_status(br
->cfg
, keys
, values
, ARRAY_SIZE(values
));
1657 for (i
= 0; i
< ARRAY_SIZE(values
); i
++) {
1663 port_refresh_stp_status(struct port
*port
)
1665 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
1666 struct iface
*iface
;
1667 struct ofproto_port_stp_status status
;
1669 char *str_values
[4];
1670 int64_t int_values
[3];
1673 if (port_is_synthetic(port
)) {
1677 /* STP doesn't currently support bonds. */
1678 if (!list_is_singleton(&port
->ifaces
)) {
1679 ovsrec_port_set_status(port
->cfg
, NULL
, NULL
, 0);
1683 iface
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
, port_elem
);
1685 if (ofproto_port_get_stp_status(ofproto
, iface
->ofp_port
, &status
)) {
1689 if (!status
.enabled
) {
1690 ovsrec_port_set_status(port
->cfg
, NULL
, NULL
, 0);
1691 ovsrec_port_set_statistics(port
->cfg
, NULL
, NULL
, 0);
1695 /* Set Status column. */
1696 keys
[0] = "stp_port_id";
1697 str_values
[0] = xasprintf(STP_PORT_ID_FMT
, status
.port_id
);
1698 keys
[1] = "stp_state";
1699 str_values
[1] = xstrdup(stp_state_name(status
.state
));
1700 keys
[2] = "stp_sec_in_state";
1701 str_values
[2] = xasprintf("%u", status
.sec_in_state
);
1702 keys
[3] = "stp_role";
1703 str_values
[3] = xstrdup(stp_role_name(status
.role
));
1705 ovsrec_port_set_status(port
->cfg
, keys
, str_values
,
1706 ARRAY_SIZE(str_values
));
1708 for (i
= 0; i
< ARRAY_SIZE(str_values
); i
++) {
1709 free(str_values
[i
]);
1712 /* Set Statistics column. */
1713 keys
[0] = "stp_tx_count";
1714 int_values
[0] = status
.tx_count
;
1715 keys
[1] = "stp_rx_count";
1716 int_values
[1] = status
.rx_count
;
1717 keys
[2] = "stp_error_count";
1718 int_values
[2] = status
.error_count
;
1720 ovsrec_port_set_statistics(port
->cfg
, keys
, int_values
,
1721 ARRAY_SIZE(int_values
));
1725 enable_system_stats(const struct ovsrec_open_vswitch
*cfg
)
1729 /* Use other-config:enable-system-stats by preference. */
1730 enable
= ovsrec_open_vswitch_get_other_config_value(cfg
,
1731 "enable-statistics",
1734 return !strcmp(enable
, "true");
1737 /* Disable by default. */
1742 refresh_system_stats(const struct ovsrec_open_vswitch
*cfg
)
1744 struct ovsdb_datum datum
;
1748 if (enable_system_stats(cfg
)) {
1749 get_system_stats(&stats
);
1752 ovsdb_datum_from_shash(&datum
, &stats
);
1753 ovsdb_idl_txn_write(&cfg
->header_
, &ovsrec_open_vswitch_col_statistics
,
1757 static inline const char *
1758 nx_role_to_str(enum nx_role role
)
1763 case NX_ROLE_MASTER
:
1768 return "*** INVALID ROLE ***";
1773 refresh_controller_status(void)
1777 const struct ovsrec_controller
*cfg
;
1781 /* Accumulate status for controllers on all bridges. */
1782 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1783 ofproto_get_ofproto_controller_info(br
->ofproto
, &info
);
1786 /* Update each controller in the database with current status. */
1787 OVSREC_CONTROLLER_FOR_EACH(cfg
, idl
) {
1788 struct ofproto_controller_info
*cinfo
=
1789 shash_find_data(&info
, cfg
->target
);
1792 ovsrec_controller_set_is_connected(cfg
, cinfo
->is_connected
);
1793 ovsrec_controller_set_role(cfg
, nx_role_to_str(cinfo
->role
));
1794 ovsrec_controller_set_status(cfg
, (char **) cinfo
->pairs
.keys
,
1795 (char **) cinfo
->pairs
.values
,
1798 ovsrec_controller_set_is_connected(cfg
, false);
1799 ovsrec_controller_set_role(cfg
, NULL
);
1800 ovsrec_controller_set_status(cfg
, NULL
, NULL
, 0);
1804 ofproto_free_ofproto_controller_info(&info
);
1808 refresh_cfm_stats(void)
1810 static struct ovsdb_idl_txn
*txn
= NULL
;
1815 txn
= ovsdb_idl_txn_create(idl
);
1817 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1818 struct iface
*iface
;
1820 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
1821 iface_refresh_cfm_stats(iface
);
1826 if (ovsdb_idl_txn_commit(txn
) != TXN_INCOMPLETE
) {
1827 ovsdb_idl_txn_destroy(txn
);
1832 /* Performs periodic activity required by bridges that needs to be done with
1833 * the least possible latency.
1835 * It makes sense to call this function a couple of times per poll loop, to
1836 * provide a significant performance boost on some benchmarks with ofprotos
1837 * that use the ofproto-dpif implementation. */
1839 bridge_run_fast(void)
1843 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1844 ofproto_run_fast(br
->ofproto
);
1851 const struct ovsrec_open_vswitch
*cfg
;
1853 bool vlan_splinters_changed
;
1854 bool database_changed
;
1857 /* (Re)configure if necessary. */
1858 database_changed
= ovsdb_idl_run(idl
);
1859 if (ovsdb_idl_is_lock_contended(idl
)) {
1860 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
1861 struct bridge
*br
, *next_br
;
1863 VLOG_ERR_RL(&rl
, "another ovs-vswitchd process is running, "
1864 "disabling this process until it goes away");
1866 HMAP_FOR_EACH_SAFE (br
, next_br
, node
, &all_bridges
) {
1870 } else if (!ovsdb_idl_has_lock(idl
)) {
1873 cfg
= ovsrec_open_vswitch_first(idl
);
1875 /* Let each bridge do the work that it needs to do. */
1876 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1877 ofproto_run(br
->ofproto
);
1880 /* Re-configure SSL. We do this on every trip through the main loop,
1881 * instead of just when the database changes, because the contents of the
1882 * key and certificate files can change without the database changing.
1884 * We do this before bridge_reconfigure() because that function might
1885 * initiate SSL connections and thus requires SSL to be configured. */
1886 if (cfg
&& cfg
->ssl
) {
1887 const struct ovsrec_ssl
*ssl
= cfg
->ssl
;
1889 stream_ssl_set_key_and_cert(ssl
->private_key
, ssl
->certificate
);
1890 stream_ssl_set_ca_cert_file(ssl
->ca_cert
, ssl
->bootstrap_ca_cert
);
1893 /* If VLAN splinters are in use, then we need to reconfigure if VLAN usage
1895 vlan_splinters_changed
= false;
1896 if (vlan_splinters_enabled_anywhere
) {
1897 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1898 if (ofproto_has_vlan_usage_changed(br
->ofproto
)) {
1899 vlan_splinters_changed
= true;
1905 if (database_changed
|| vlan_splinters_changed
) {
1907 struct ovsdb_idl_txn
*txn
= ovsdb_idl_txn_create(idl
);
1909 bridge_reconfigure(cfg
);
1911 ovsrec_open_vswitch_set_cur_cfg(cfg
, cfg
->next_cfg
);
1912 ovsdb_idl_txn_commit(txn
);
1913 ovsdb_idl_txn_destroy(txn
); /* XXX */
1915 /* We still need to reconfigure to avoid dangling pointers to
1916 * now-destroyed ovsrec structures inside bridge data. */
1917 static const struct ovsrec_open_vswitch null_cfg
;
1919 bridge_reconfigure(&null_cfg
);
1923 /* Refresh system and interface stats if necessary. */
1924 if (time_msec() >= stats_timer
) {
1926 struct ovsdb_idl_txn
*txn
;
1928 txn
= ovsdb_idl_txn_create(idl
);
1929 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1933 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1934 struct iface
*iface
;
1936 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
1937 iface_refresh_stats(iface
);
1938 iface_refresh_status(iface
);
1942 HMAP_FOR_EACH (m
, hmap_node
, &br
->mirrors
) {
1943 mirror_refresh_stats(m
);
1947 refresh_system_stats(cfg
);
1948 refresh_controller_status();
1949 ovsdb_idl_txn_commit(txn
);
1950 ovsdb_idl_txn_destroy(txn
); /* XXX */
1953 stats_timer
= time_msec() + STATS_INTERVAL
;
1956 if (time_msec() >= db_limiter
) {
1957 struct ovsdb_idl_txn
*txn
;
1959 txn
= ovsdb_idl_txn_create(idl
);
1960 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
1961 struct iface
*iface
;
1964 br_refresh_stp_status(br
);
1966 HMAP_FOR_EACH (port
, hmap_node
, &br
->ports
) {
1967 port_refresh_stp_status(port
);
1970 HMAP_FOR_EACH (iface
, name_node
, &br
->iface_by_name
) {
1971 const char *link_state
;
1972 int64_t link_resets
;
1975 if (iface_is_synthetic(iface
)) {
1979 current
= ofproto_port_is_lacp_current(br
->ofproto
,
1983 ovsrec_interface_set_lacp_current(iface
->cfg
, &bl
, 1);
1985 ovsrec_interface_set_lacp_current(iface
->cfg
, NULL
, 0);
1988 link_state
= netdev_get_carrier(iface
->netdev
) ? "up" : "down";
1989 ovsrec_interface_set_link_state(iface
->cfg
, link_state
);
1991 link_resets
= netdev_get_carrier_resets(iface
->netdev
);
1992 ovsrec_interface_set_link_resets(iface
->cfg
, &link_resets
, 1);
1996 if (ovsdb_idl_txn_commit(txn
) != TXN_UNCHANGED
) {
1997 db_limiter
= time_msec() + DB_LIMIT_INTERVAL
;
1999 ovsdb_idl_txn_destroy(txn
);
2002 refresh_cfm_stats();
2008 ovsdb_idl_wait(idl
);
2009 if (!hmap_is_empty(&all_bridges
)) {
2012 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2013 ofproto_wait(br
->ofproto
);
2015 poll_timer_wait_until(stats_timer
);
2017 if (db_limiter
> time_msec()) {
2018 poll_timer_wait_until(db_limiter
);
2023 /* QoS unixctl user interface functions. */
2025 struct qos_unixctl_show_cbdata
{
2027 struct iface
*iface
;
2031 qos_unixctl_show_cb(unsigned int queue_id
,
2032 const struct shash
*details
,
2035 struct qos_unixctl_show_cbdata
*data
= aux
;
2036 struct ds
*ds
= data
->ds
;
2037 struct iface
*iface
= data
->iface
;
2038 struct netdev_queue_stats stats
;
2039 struct shash_node
*node
;
2042 ds_put_cstr(ds
, "\n");
2044 ds_put_format(ds
, "Queue %u:\n", queue_id
);
2046 ds_put_cstr(ds
, "Default:\n");
2049 SHASH_FOR_EACH (node
, details
) {
2050 ds_put_format(ds
, "\t%s: %s\n", node
->name
, (char *)node
->data
);
2053 error
= netdev_get_queue_stats(iface
->netdev
, queue_id
, &stats
);
2055 if (stats
.tx_packets
!= UINT64_MAX
) {
2056 ds_put_format(ds
, "\ttx_packets: %"PRIu64
"\n", stats
.tx_packets
);
2059 if (stats
.tx_bytes
!= UINT64_MAX
) {
2060 ds_put_format(ds
, "\ttx_bytes: %"PRIu64
"\n", stats
.tx_bytes
);
2063 if (stats
.tx_errors
!= UINT64_MAX
) {
2064 ds_put_format(ds
, "\ttx_errors: %"PRIu64
"\n", stats
.tx_errors
);
2067 ds_put_format(ds
, "\tFailed to get statistics for queue %u: %s",
2068 queue_id
, strerror(error
));
2073 qos_unixctl_show(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2074 const char *argv
[], void *aux OVS_UNUSED
)
2076 struct ds ds
= DS_EMPTY_INITIALIZER
;
2077 struct shash sh
= SHASH_INITIALIZER(&sh
);
2078 struct iface
*iface
;
2080 struct shash_node
*node
;
2081 struct qos_unixctl_show_cbdata data
;
2084 iface
= iface_find(argv
[1]);
2086 unixctl_command_reply_error(conn
, "no such interface");
2090 netdev_get_qos(iface
->netdev
, &type
, &sh
);
2092 if (*type
!= '\0') {
2093 ds_put_format(&ds
, "QoS: %s %s\n", iface
->name
, type
);
2095 SHASH_FOR_EACH (node
, &sh
) {
2096 ds_put_format(&ds
, "%s: %s\n", node
->name
, (char *)node
->data
);
2101 error
= netdev_dump_queues(iface
->netdev
, qos_unixctl_show_cb
, &data
);
2104 ds_put_format(&ds
, "failed to dump queues: %s", strerror(error
));
2106 unixctl_command_reply(conn
, ds_cstr(&ds
));
2108 ds_put_format(&ds
, "QoS not configured on %s\n", iface
->name
);
2109 unixctl_command_reply_error(conn
, ds_cstr(&ds
));
2112 shash_destroy_free_data(&sh
);
2116 /* Bridge reconfiguration functions. */
2118 bridge_create(const struct ovsrec_bridge
*br_cfg
)
2122 assert(!bridge_lookup(br_cfg
->name
));
2123 br
= xzalloc(sizeof *br
);
2125 br
->name
= xstrdup(br_cfg
->name
);
2126 br
->type
= xstrdup(ofproto_normalize_type(br_cfg
->datapath_type
));
2129 /* Derive the default Ethernet address from the bridge's UUID. This should
2130 * be unique and it will be stable between ovs-vswitchd runs. */
2131 memcpy(br
->default_ea
, &br_cfg
->header_
.uuid
, ETH_ADDR_LEN
);
2132 eth_addr_mark_random(br
->default_ea
);
2134 hmap_init(&br
->ports
);
2135 hmap_init(&br
->ifaces
);
2136 hmap_init(&br
->iface_by_name
);
2137 hmap_init(&br
->mirrors
);
2139 hmap_insert(&all_bridges
, &br
->node
, hash_string(br
->name
, 0));
2143 bridge_destroy(struct bridge
*br
)
2146 struct mirror
*mirror
, *next_mirror
;
2147 struct port
*port
, *next_port
;
2149 HMAP_FOR_EACH_SAFE (port
, next_port
, hmap_node
, &br
->ports
) {
2152 HMAP_FOR_EACH_SAFE (mirror
, next_mirror
, hmap_node
, &br
->mirrors
) {
2153 mirror_destroy(mirror
);
2155 hmap_remove(&all_bridges
, &br
->node
);
2156 ofproto_destroy(br
->ofproto
);
2157 hmap_destroy(&br
->ifaces
);
2158 hmap_destroy(&br
->ports
);
2159 hmap_destroy(&br
->iface_by_name
);
2160 hmap_destroy(&br
->mirrors
);
2167 static struct bridge
*
2168 bridge_lookup(const char *name
)
2172 HMAP_FOR_EACH_WITH_HASH (br
, node
, hash_string(name
, 0), &all_bridges
) {
2173 if (!strcmp(br
->name
, name
)) {
2180 /* Handle requests for a listing of all flows known by the OpenFlow
2181 * stack, including those normally hidden. */
2183 bridge_unixctl_dump_flows(struct unixctl_conn
*conn
, int argc OVS_UNUSED
,
2184 const char *argv
[], void *aux OVS_UNUSED
)
2189 br
= bridge_lookup(argv
[1]);
2191 unixctl_command_reply_error(conn
, "Unknown bridge");
2196 ofproto_get_all_flows(br
->ofproto
, &results
);
2198 unixctl_command_reply(conn
, ds_cstr(&results
));
2199 ds_destroy(&results
);
2202 /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2203 * connections and reconnect. If BRIDGE is not specified, then all bridges
2204 * drop their controller connections and reconnect. */
2206 bridge_unixctl_reconnect(struct unixctl_conn
*conn
, int argc
,
2207 const char *argv
[], void *aux OVS_UNUSED
)
2211 br
= bridge_lookup(argv
[1]);
2213 unixctl_command_reply_error(conn
, "Unknown bridge");
2216 ofproto_reconnect_controllers(br
->ofproto
);
2218 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2219 ofproto_reconnect_controllers(br
->ofproto
);
2222 unixctl_command_reply(conn
, NULL
);
2226 bridge_get_controllers(const struct bridge
*br
,
2227 struct ovsrec_controller
***controllersp
)
2229 struct ovsrec_controller
**controllers
;
2230 size_t n_controllers
;
2232 controllers
= br
->cfg
->controller
;
2233 n_controllers
= br
->cfg
->n_controller
;
2235 if (n_controllers
== 1 && !strcmp(controllers
[0]->target
, "none")) {
2241 *controllersp
= controllers
;
2243 return n_controllers
;
2246 /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match
2247 * those configured in 'br->cfg'. */
2249 bridge_add_del_ports(struct bridge
*br
,
2250 const unsigned long int *splinter_vlans
)
2252 struct port
*port
, *next
;
2253 struct shash_node
*node
;
2254 struct shash new_ports
;
2257 /* Collect new ports. */
2258 shash_init(&new_ports
);
2259 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
2260 const char *name
= br
->cfg
->ports
[i
]->name
;
2261 if (!shash_add_once(&new_ports
, name
, br
->cfg
->ports
[i
])) {
2262 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2266 if (bridge_get_controllers(br
, NULL
)
2267 && !shash_find(&new_ports
, br
->name
)) {
2268 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2269 br
->name
, br
->name
);
2271 br
->synth_local_port
.interfaces
= &br
->synth_local_ifacep
;
2272 br
->synth_local_port
.n_interfaces
= 1;
2273 br
->synth_local_port
.name
= br
->name
;
2275 br
->synth_local_iface
.name
= br
->name
;
2276 br
->synth_local_iface
.type
= "internal";
2278 br
->synth_local_ifacep
= &br
->synth_local_iface
;
2280 shash_add(&new_ports
, br
->name
, &br
->synth_local_port
);
2283 if (splinter_vlans
) {
2284 add_vlan_splinter_ports(br
, splinter_vlans
, &new_ports
);
2287 /* Get rid of deleted ports.
2288 * Get rid of deleted interfaces on ports that still exist. */
2289 HMAP_FOR_EACH_SAFE (port
, next
, hmap_node
, &br
->ports
) {
2290 port
->cfg
= shash_find_data(&new_ports
, port
->name
);
2294 port_del_ifaces(port
);
2298 /* Create new ports.
2299 * Add new interfaces to existing ports. */
2300 SHASH_FOR_EACH (node
, &new_ports
) {
2301 struct port
*port
= port_lookup(br
, node
->name
);
2303 struct ovsrec_port
*cfg
= node
->data
;
2304 port
= port_create(br
, cfg
);
2306 port_add_ifaces(port
);
2307 if (list_is_empty(&port
->ifaces
)) {
2308 VLOG_WARN("bridge %s: port %s has no interfaces, dropping",
2309 br
->name
, port
->name
);
2313 shash_destroy(&new_ports
);
2316 /* Initializes 'oc' appropriately as a management service controller for
2319 * The caller must free oc->target when it is no longer needed. */
2321 bridge_ofproto_controller_for_mgmt(const struct bridge
*br
,
2322 struct ofproto_controller
*oc
)
2324 oc
->target
= xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br
->name
);
2325 oc
->max_backoff
= 0;
2326 oc
->probe_interval
= 60;
2327 oc
->band
= OFPROTO_OUT_OF_BAND
;
2329 oc
->burst_limit
= 0;
2330 oc
->enable_async_msgs
= true;
2333 /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2335 bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller
*c
,
2336 struct ofproto_controller
*oc
)
2338 oc
->target
= c
->target
;
2339 oc
->max_backoff
= c
->max_backoff
? *c
->max_backoff
/ 1000 : 8;
2340 oc
->probe_interval
= c
->inactivity_probe
? *c
->inactivity_probe
/ 1000 : 5;
2341 oc
->band
= (!c
->connection_mode
|| !strcmp(c
->connection_mode
, "in-band")
2342 ? OFPROTO_IN_BAND
: OFPROTO_OUT_OF_BAND
);
2343 oc
->rate_limit
= c
->controller_rate_limit
? *c
->controller_rate_limit
: 0;
2344 oc
->burst_limit
= (c
->controller_burst_limit
2345 ? *c
->controller_burst_limit
: 0);
2346 oc
->enable_async_msgs
= (!c
->enable_async_messages
2347 || *c
->enable_async_messages
);
2350 /* Configures the IP stack for 'br''s local interface properly according to the
2351 * configuration in 'c'. */
2353 bridge_configure_local_iface_netdev(struct bridge
*br
,
2354 struct ovsrec_controller
*c
)
2356 struct netdev
*netdev
;
2357 struct in_addr mask
, gateway
;
2359 struct iface
*local_iface
;
2362 /* If there's no local interface or no IP address, give up. */
2363 local_iface
= iface_from_ofp_port(br
, OFPP_LOCAL
);
2364 if (!local_iface
|| !c
->local_ip
|| !inet_aton(c
->local_ip
, &ip
)) {
2368 /* Bring up the local interface. */
2369 netdev
= local_iface
->netdev
;
2370 netdev_turn_flags_on(netdev
, NETDEV_UP
, true);
2372 /* Configure the IP address and netmask. */
2373 if (!c
->local_netmask
2374 || !inet_aton(c
->local_netmask
, &mask
)
2376 mask
.s_addr
= guess_netmask(ip
.s_addr
);
2378 if (!netdev_set_in4(netdev
, ip
, mask
)) {
2379 VLOG_INFO("bridge %s: configured IP address "IP_FMT
", netmask "IP_FMT
,
2380 br
->name
, IP_ARGS(&ip
.s_addr
), IP_ARGS(&mask
.s_addr
));
2383 /* Configure the default gateway. */
2384 if (c
->local_gateway
2385 && inet_aton(c
->local_gateway
, &gateway
)
2386 && gateway
.s_addr
) {
2387 if (!netdev_add_router(netdev
, gateway
)) {
2388 VLOG_INFO("bridge %s: configured gateway "IP_FMT
,
2389 br
->name
, IP_ARGS(&gateway
.s_addr
));
2394 /* Returns true if 'a' and 'b' are the same except that any number of slashes
2395 * in either string are treated as equal to any number of slashes in the other,
2396 * e.g. "x///y" is equal to "x/y". */
2398 equal_pathnames(const char *a
, const char *b
)
2402 a
+= strspn(a
, "/");
2403 b
+= strspn(b
, "/");
2404 } else if (*a
== '\0') {
2415 bridge_configure_remotes(struct bridge
*br
,
2416 const struct sockaddr_in
*managers
, size_t n_managers
)
2418 const char *disable_ib_str
, *queue_id_str
;
2419 bool disable_in_band
= false;
2422 struct ovsrec_controller
**controllers
;
2423 size_t n_controllers
;
2425 enum ofproto_fail_mode fail_mode
;
2427 struct ofproto_controller
*ocs
;
2431 /* Check if we should disable in-band control on this bridge. */
2432 disable_ib_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
2435 if (disable_ib_str
&& !strcmp(disable_ib_str
, "true")) {
2436 disable_in_band
= true;
2439 /* Set OpenFlow queue ID for in-band control. */
2440 queue_id_str
= ovsrec_bridge_get_other_config_value(br
->cfg
,
2443 queue_id
= queue_id_str
? strtol(queue_id_str
, NULL
, 10) : -1;
2444 ofproto_set_in_band_queue(br
->ofproto
, queue_id
);
2446 if (disable_in_band
) {
2447 ofproto_set_extra_in_band_remotes(br
->ofproto
, NULL
, 0);
2449 ofproto_set_extra_in_band_remotes(br
->ofproto
, managers
, n_managers
);
2452 n_controllers
= bridge_get_controllers(br
, &controllers
);
2454 ocs
= xmalloc((n_controllers
+ 1) * sizeof *ocs
);
2457 bridge_ofproto_controller_for_mgmt(br
, &ocs
[n_ocs
++]);
2458 for (i
= 0; i
< n_controllers
; i
++) {
2459 struct ovsrec_controller
*c
= controllers
[i
];
2461 if (!strncmp(c
->target
, "punix:", 6)
2462 || !strncmp(c
->target
, "unix:", 5)) {
2463 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2466 whitelist
= xasprintf("unix:%s/%s.controller",
2467 ovs_rundir(), br
->name
);
2468 if (!equal_pathnames(c
->target
, whitelist
)) {
2469 /* Prevent remote ovsdb-server users from accessing arbitrary
2470 * Unix domain sockets and overwriting arbitrary local
2472 VLOG_ERR_RL(&rl
, "bridge %s: Not adding Unix domain socket "
2473 "controller \"%s\" due to possibility for remote "
2474 "exploit. Instead, specify whitelisted \"%s\" or "
2475 "connect to \"unix:%s/%s.mgmt\" (which is always "
2476 "available without special configuration).",
2477 br
->name
, c
->target
, whitelist
,
2478 ovs_rundir(), br
->name
);
2486 bridge_configure_local_iface_netdev(br
, c
);
2487 bridge_ofproto_controller_from_ovsrec(c
, &ocs
[n_ocs
]);
2488 if (disable_in_band
) {
2489 ocs
[n_ocs
].band
= OFPROTO_OUT_OF_BAND
;
2494 ofproto_set_controllers(br
->ofproto
, ocs
, n_ocs
);
2495 free(ocs
[0].target
); /* From bridge_ofproto_controller_for_mgmt(). */
2498 /* Set the fail-mode. */
2499 fail_mode
= !br
->cfg
->fail_mode
2500 || !strcmp(br
->cfg
->fail_mode
, "standalone")
2501 ? OFPROTO_FAIL_STANDALONE
2502 : OFPROTO_FAIL_SECURE
;
2503 ofproto_set_fail_mode(br
->ofproto
, fail_mode
);
2505 /* Configure OpenFlow controller connection snooping. */
2506 if (!ofproto_has_snoops(br
->ofproto
)) {
2510 sset_add_and_free(&snoops
, xasprintf("punix:%s/%s.snoop",
2511 ovs_rundir(), br
->name
));
2512 ofproto_set_snoops(br
->ofproto
, &snoops
);
2513 sset_destroy(&snoops
);
2518 bridge_configure_tables(struct bridge
*br
)
2520 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 5);
2524 n_tables
= ofproto_get_n_tables(br
->ofproto
);
2526 for (i
= 0; i
< n_tables
; i
++) {
2527 struct ofproto_table_settings s
;
2530 s
.max_flows
= UINT_MAX
;
2534 if (j
< br
->cfg
->n_flow_tables
&& i
== br
->cfg
->key_flow_tables
[j
]) {
2535 struct ovsrec_flow_table
*cfg
= br
->cfg
->value_flow_tables
[j
++];
2538 if (cfg
->n_flow_limit
&& *cfg
->flow_limit
< UINT_MAX
) {
2539 s
.max_flows
= *cfg
->flow_limit
;
2541 if (cfg
->overflow_policy
2542 && !strcmp(cfg
->overflow_policy
, "evict")) {
2545 s
.groups
= xmalloc(cfg
->n_groups
* sizeof *s
.groups
);
2546 for (k
= 0; k
< cfg
->n_groups
; k
++) {
2547 const char *string
= cfg
->groups
[k
];
2550 msg
= mf_parse_subfield__(&s
.groups
[k
], &string
);
2552 VLOG_WARN_RL(&rl
, "bridge %s table %d: error parsing "
2553 "'groups' (%s)", br
->name
, i
, msg
);
2555 } else if (*string
) {
2556 VLOG_WARN_RL(&rl
, "bridge %s table %d: 'groups' "
2557 "element '%s' contains trailing garbage",
2558 br
->name
, i
, cfg
->groups
[k
]);
2566 ofproto_configure_table(br
->ofproto
, i
, &s
);
2570 for (; j
< br
->cfg
->n_flow_tables
; j
++) {
2571 VLOG_WARN_RL(&rl
, "bridge %s: ignoring configuration for flow table "
2572 "%"PRId64
" not supported by this datapath", br
->name
,
2573 br
->cfg
->key_flow_tables
[j
]);
2577 /* Port functions. */
2579 static struct port
*
2580 port_create(struct bridge
*br
, const struct ovsrec_port
*cfg
)
2584 port
= xzalloc(sizeof *port
);
2586 port
->name
= xstrdup(cfg
->name
);
2588 list_init(&port
->ifaces
);
2590 hmap_insert(&br
->ports
, &port
->hmap_node
, hash_string(port
->name
, 0));
2592 VLOG_INFO("created port %s on bridge %s", port
->name
, br
->name
);
2597 /* Deletes interfaces from 'port' that are no longer configured for it. */
2599 port_del_ifaces(struct port
*port
)
2601 struct iface
*iface
, *next
;
2602 struct sset new_ifaces
;
2605 /* Collect list of new interfaces. */
2606 sset_init(&new_ifaces
);
2607 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
2608 const char *name
= port
->cfg
->interfaces
[i
]->name
;
2609 const char *type
= port
->cfg
->interfaces
[i
]->name
;
2610 if (strcmp(type
, "null")) {
2611 sset_add(&new_ifaces
, name
);
2615 /* Get rid of deleted interfaces. */
2616 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
2617 if (!sset_contains(&new_ifaces
, iface
->name
)) {
2618 iface_destroy(iface
);
2622 sset_destroy(&new_ifaces
);
2625 /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of
2628 port_add_ifaces(struct port
*port
)
2630 struct shash new_ifaces
;
2631 struct shash_node
*node
;
2634 /* Collect new ifaces. */
2635 shash_init(&new_ifaces
);
2636 for (i
= 0; i
< port
->cfg
->n_interfaces
; i
++) {
2637 const struct ovsrec_interface
*cfg
= port
->cfg
->interfaces
[i
];
2638 if (strcmp(cfg
->type
, "null")
2639 && !shash_add_once(&new_ifaces
, cfg
->name
, cfg
)) {
2640 VLOG_WARN("port %s: %s specified twice as port interface",
2641 port
->name
, cfg
->name
);
2642 iface_clear_db_record(cfg
);
2646 /* Create new interfaces.
2647 * Update interface types and 'cfg' members. */
2648 SHASH_FOR_EACH (node
, &new_ifaces
) {
2649 const struct ovsrec_interface
*cfg
= node
->data
;
2650 const char *iface_name
= node
->name
;
2651 struct iface
*iface
;
2653 iface
= iface_lookup(port
->bridge
, iface_name
);
2655 iface
= iface_create(port
, cfg
);
2660 /* Determine interface type. The local port always has type
2661 * "internal". Other ports take their type from the database and
2662 * default to "system" if none is specified. */
2663 iface
->type
= (!strcmp(iface_name
, port
->bridge
->name
) ? "internal"
2664 : cfg
->type
[0] ? cfg
->type
2667 shash_destroy(&new_ifaces
);
2671 port_destroy(struct port
*port
)
2674 struct bridge
*br
= port
->bridge
;
2675 struct iface
*iface
, *next
;
2678 ofproto_bundle_unregister(br
->ofproto
, port
);
2681 LIST_FOR_EACH_SAFE (iface
, next
, port_elem
, &port
->ifaces
) {
2682 iface_destroy(iface
);
2685 hmap_remove(&br
->ports
, &port
->hmap_node
);
2687 VLOG_INFO("destroyed port %s on bridge %s", port
->name
, br
->name
);
2694 static struct port
*
2695 port_lookup(const struct bridge
*br
, const char *name
)
2699 HMAP_FOR_EACH_WITH_HASH (port
, hmap_node
, hash_string(name
, 0),
2701 if (!strcmp(port
->name
, name
)) {
2709 enable_lacp(struct port
*port
, bool *activep
)
2711 if (!port
->cfg
->lacp
) {
2712 /* XXX when LACP implementation has been sufficiently tested, enable by
2713 * default and make active on bonded ports. */
2715 } else if (!strcmp(port
->cfg
->lacp
, "off")) {
2717 } else if (!strcmp(port
->cfg
->lacp
, "active")) {
2720 } else if (!strcmp(port
->cfg
->lacp
, "passive")) {
2724 VLOG_WARN("port %s: unknown LACP mode %s",
2725 port
->name
, port
->cfg
->lacp
);
2730 static struct lacp_settings
*
2731 port_configure_lacp(struct port
*port
, struct lacp_settings
*s
)
2733 const char *lacp_time
, *system_id
;
2734 long long int custom_time
;
2737 if (!enable_lacp(port
, &s
->active
)) {
2741 s
->name
= port
->name
;
2743 system_id
= ovsrec_port_get_other_config_value(port
->cfg
, "lacp-system-id",
2746 if (sscanf(system_id
, ETH_ADDR_SCAN_FMT
,
2747 ETH_ADDR_SCAN_ARGS(s
->id
)) != ETH_ADDR_SCAN_COUNT
) {
2748 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
2749 " address.", port
->name
, system_id
);
2753 memcpy(s
->id
, port
->bridge
->ea
, ETH_ADDR_LEN
);
2756 if (eth_addr_is_zero(s
->id
)) {
2757 VLOG_WARN("port %s: Invalid zero LACP system ID.", port
->name
);
2761 /* Prefer bondable links if unspecified. */
2762 priority
= atoi(ovsrec_port_get_other_config_value(port
->cfg
,
2763 "lacp-system-priority",
2765 s
->priority
= (priority
> 0 && priority
<= UINT16_MAX
2767 : UINT16_MAX
- !list_is_short(&port
->ifaces
));
2769 s
->heartbeat
= !strcmp(ovsrec_port_get_other_config_value(port
->cfg
,
2774 lacp_time
= ovsrec_port_get_other_config_value(port
->cfg
, "lacp-time",
2776 custom_time
= atoi(lacp_time
);
2777 if (!strcmp(lacp_time
, "fast")) {
2778 s
->lacp_time
= LACP_TIME_FAST
;
2779 } else if (!strcmp(lacp_time
, "slow")) {
2780 s
->lacp_time
= LACP_TIME_SLOW
;
2781 } else if (custom_time
> 0) {
2782 s
->lacp_time
= LACP_TIME_CUSTOM
;
2783 s
->custom_time
= custom_time
;
2785 s
->lacp_time
= LACP_TIME_SLOW
;
2792 iface_configure_lacp(struct iface
*iface
, struct lacp_slave_settings
*s
)
2794 int priority
, portid
, key
;
2796 portid
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
2800 atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
2801 "lacp-port-priority",
2803 key
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
2804 "lacp-aggregation-key",
2807 if (portid
<= 0 || portid
> UINT16_MAX
) {
2808 portid
= iface
->ofp_port
;
2811 if (priority
<= 0 || priority
> UINT16_MAX
) {
2812 priority
= UINT16_MAX
;
2815 if (key
< 0 || key
> UINT16_MAX
) {
2819 s
->name
= iface
->name
;
2821 s
->priority
= priority
;
2826 port_configure_bond(struct port
*port
, struct bond_settings
*s
,
2827 uint32_t *bond_stable_ids
)
2829 const char *detect_s
;
2830 struct iface
*iface
;
2831 int miimon_interval
;
2834 s
->name
= port
->name
;
2836 if (port
->cfg
->bond_mode
) {
2837 if (!bond_mode_from_string(&s
->balance
, port
->cfg
->bond_mode
)) {
2838 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
2839 port
->name
, port
->cfg
->bond_mode
,
2840 bond_mode_to_string(s
->balance
));
2843 static struct vlog_rate_limit rl
= VLOG_RATE_LIMIT_INIT(1, 1);
2845 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
2846 * active-backup. At some point we should remove this warning. */
2847 VLOG_WARN_RL(&rl
, "port %s: Using the default bond_mode %s. Note that"
2848 " in previous versions, the default bond_mode was"
2849 " balance-slb", port
->name
,
2850 bond_mode_to_string(s
->balance
));
2852 if (s
->balance
== BM_SLB
&& port
->bridge
->cfg
->n_flood_vlans
) {
2853 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
2854 "please use another bond type or disable flood_vlans",
2859 atoi(ovsrec_port_get_other_config_value(port
->cfg
,
2860 "bond-miimon-interval", "0"));
2861 if (miimon_interval
<= 0) {
2862 miimon_interval
= 200;
2865 detect_s
= ovsrec_port_get_other_config_value(port
->cfg
,
2868 if (!strcmp(detect_s
, "carrier")) {
2869 miimon_interval
= 0;
2870 } else if (strcmp(detect_s
, "miimon")) {
2871 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
2872 "defaulting to carrier", port
->name
, detect_s
);
2873 miimon_interval
= 0;
2876 s
->up_delay
= MAX(0, port
->cfg
->bond_updelay
);
2877 s
->down_delay
= MAX(0, port
->cfg
->bond_downdelay
);
2878 s
->basis
= atoi(ovsrec_port_get_other_config_value(port
->cfg
,
2881 s
->rebalance_interval
= atoi(
2882 ovsrec_port_get_other_config_value(port
->cfg
,
2883 "bond-rebalance-interval",
2885 if (s
->rebalance_interval
&& s
->rebalance_interval
< 1000) {
2886 s
->rebalance_interval
= 1000;
2889 s
->fake_iface
= port
->cfg
->bond_fake_iface
;
2892 LIST_FOR_EACH (iface
, port_elem
, &port
->ifaces
) {
2893 long long stable_id
;
2896 atoll(ovsrec_interface_get_other_config_value(iface
->cfg
,
2899 if (stable_id
<= 0 || stable_id
>= UINT32_MAX
) {
2900 stable_id
= iface
->ofp_port
;
2902 bond_stable_ids
[i
++] = stable_id
;
2904 netdev_set_miimon_interval(iface
->netdev
, miimon_interval
);
2908 /* Returns true if 'port' is synthetic, that is, if we constructed it locally
2909 * instead of obtaining it from the database. */
2911 port_is_synthetic(const struct port
*port
)
2913 return ovsdb_idl_row_is_synthetic(&port
->cfg
->header_
);
2916 /* Interface functions. */
2918 static struct iface
*
2919 iface_create(struct port
*port
, const struct ovsrec_interface
*if_cfg
)
2921 struct bridge
*br
= port
->bridge
;
2922 struct iface
*iface
;
2923 char *name
= if_cfg
->name
;
2925 iface
= xzalloc(sizeof *iface
);
2927 iface
->name
= xstrdup(name
);
2928 iface
->ofp_port
= -1;
2929 iface
->tag
= tag_create_random();
2930 iface
->netdev
= NULL
;
2931 iface
->cfg
= if_cfg
;
2933 hmap_insert(&br
->iface_by_name
, &iface
->name_node
, hash_string(name
, 0));
2935 list_push_back(&port
->ifaces
, &iface
->port_elem
);
2937 VLOG_DBG("attached network device %s to port %s", iface
->name
, port
->name
);
2943 iface_destroy(struct iface
*iface
)
2946 struct port
*port
= iface
->port
;
2947 struct bridge
*br
= port
->bridge
;
2949 if (br
->ofproto
&& iface
->ofp_port
>= 0) {
2950 ofproto_port_unregister(br
->ofproto
, iface
->ofp_port
);
2953 if (iface
->ofp_port
>= 0) {
2954 hmap_remove(&br
->ifaces
, &iface
->ofp_port_node
);
2957 list_remove(&iface
->port_elem
);
2958 hmap_remove(&br
->iface_by_name
, &iface
->name_node
);
2960 netdev_close(iface
->netdev
);
2967 static struct iface
*
2968 iface_lookup(const struct bridge
*br
, const char *name
)
2970 struct iface
*iface
;
2972 HMAP_FOR_EACH_WITH_HASH (iface
, name_node
, hash_string(name
, 0),
2973 &br
->iface_by_name
) {
2974 if (!strcmp(iface
->name
, name
)) {
2982 static struct iface
*
2983 iface_find(const char *name
)
2985 const struct bridge
*br
;
2987 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
2988 struct iface
*iface
= iface_lookup(br
, name
);
2997 static struct iface
*
2998 iface_from_ofp_port(const struct bridge
*br
, uint16_t ofp_port
)
3000 struct iface
*iface
;
3002 HMAP_FOR_EACH_IN_BUCKET (iface
, ofp_port_node
,
3003 hash_int(ofp_port
, 0), &br
->ifaces
) {
3004 if (iface
->ofp_port
== ofp_port
) {
3011 /* Set Ethernet address of 'iface', if one is specified in the configuration
3014 iface_set_mac(struct iface
*iface
)
3016 uint8_t ea
[ETH_ADDR_LEN
];
3018 if (!strcmp(iface
->type
, "internal")
3019 && iface
->cfg
->mac
&& eth_addr_from_string(iface
->cfg
->mac
, ea
)) {
3020 if (iface
->ofp_port
== OFPP_LOCAL
) {
3021 VLOG_ERR("interface %s: ignoring mac in Interface record "
3022 "(use Bridge record to set local port's mac)",
3024 } else if (eth_addr_is_multicast(ea
)) {
3025 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3028 int error
= netdev_set_etheraddr(iface
->netdev
, ea
);
3030 VLOG_ERR("interface %s: setting MAC failed (%s)",
3031 iface
->name
, strerror(error
));
3037 /* Sets the ofport column of 'if_cfg' to 'ofport'. */
3039 iface_set_ofport(const struct ovsrec_interface
*if_cfg
, int64_t ofport
)
3041 if (if_cfg
&& !ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3042 ovsrec_interface_set_ofport(if_cfg
, &ofport
, 1);
3046 /* Clears all of the fields in 'if_cfg' that indicate interface status, and
3047 * sets the "ofport" field to -1.
3049 * This is appropriate when 'if_cfg''s interface cannot be created or is
3050 * otherwise invalid. */
3052 iface_clear_db_record(const struct ovsrec_interface
*if_cfg
)
3054 if (!ovsdb_idl_row_is_synthetic(&if_cfg
->header_
)) {
3055 iface_set_ofport(if_cfg
, -1);
3056 ovsrec_interface_set_status(if_cfg
, NULL
, NULL
, 0);
3057 ovsrec_interface_set_admin_state(if_cfg
, NULL
);
3058 ovsrec_interface_set_duplex(if_cfg
, NULL
);
3059 ovsrec_interface_set_link_speed(if_cfg
, NULL
, 0);
3060 ovsrec_interface_set_link_state(if_cfg
, NULL
);
3061 ovsrec_interface_set_mtu(if_cfg
, NULL
, 0);
3062 ovsrec_interface_set_cfm_fault(if_cfg
, NULL
, 0);
3063 ovsrec_interface_set_cfm_fault_status(if_cfg
, NULL
, 0);
3064 ovsrec_interface_set_cfm_remote_mpids(if_cfg
, NULL
, 0);
3065 ovsrec_interface_set_lacp_current(if_cfg
, NULL
, 0);
3066 ovsrec_interface_set_statistics(if_cfg
, NULL
, NULL
, 0);
3070 /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'.
3072 * The value strings in '*shash' are taken directly from values[], not copied,
3073 * so the caller should not modify or free them. */
3075 shash_from_ovs_idl_map(char **keys
, char **values
, size_t n
,
3076 struct shash
*shash
)
3081 for (i
= 0; i
< n
; i
++) {
3082 shash_add(shash
, keys
[i
], values
[i
]);
3086 /* Creates 'keys' and 'values' arrays from 'shash'.
3088 * Sets 'keys' and 'values' to heap allocated arrays representing the key-value
3089 * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They
3090 * are populated with with strings taken directly from 'shash' and thus have
3091 * the same ownership of the key-value pairs in shash.
3094 shash_to_ovs_idl_map(struct shash
*shash
,
3095 char ***keys
, char ***values
, size_t *n
)
3099 struct shash_node
*sn
;
3101 count
= shash_count(shash
);
3103 k
= xmalloc(count
* sizeof *k
);
3104 v
= xmalloc(count
* sizeof *v
);
3107 SHASH_FOR_EACH(sn
, shash
) {
3118 struct iface_delete_queues_cbdata
{
3119 struct netdev
*netdev
;
3120 const struct ovsdb_datum
*queues
;
3124 queue_ids_include(const struct ovsdb_datum
*queues
, int64_t target
)
3126 union ovsdb_atom atom
;
3128 atom
.integer
= target
;
3129 return ovsdb_datum_find_key(queues
, &atom
, OVSDB_TYPE_INTEGER
) != UINT_MAX
;
3133 iface_delete_queues(unsigned int queue_id
,
3134 const struct shash
*details OVS_UNUSED
, void *cbdata_
)
3136 struct iface_delete_queues_cbdata
*cbdata
= cbdata_
;
3138 if (!queue_ids_include(cbdata
->queues
, queue_id
)) {
3139 netdev_delete_queue(cbdata
->netdev
, queue_id
);
3144 iface_configure_qos(struct iface
*iface
, const struct ovsrec_qos
*qos
)
3146 struct ofpbuf queues_buf
;
3148 ofpbuf_init(&queues_buf
, 0);
3150 if (!qos
|| qos
->type
[0] == '\0' || qos
->n_queues
< 1) {
3151 netdev_set_qos(iface
->netdev
, NULL
, NULL
);
3153 struct iface_delete_queues_cbdata cbdata
;
3154 struct shash details
;
3158 /* Configure top-level Qos for 'iface'. */
3159 shash_from_ovs_idl_map(qos
->key_other_config
, qos
->value_other_config
,
3160 qos
->n_other_config
, &details
);
3161 netdev_set_qos(iface
->netdev
, qos
->type
, &details
);
3162 shash_destroy(&details
);
3164 /* Deconfigure queues that were deleted. */
3165 cbdata
.netdev
= iface
->netdev
;
3166 cbdata
.queues
= ovsrec_qos_get_queues(qos
, OVSDB_TYPE_INTEGER
,
3168 netdev_dump_queues(iface
->netdev
, iface_delete_queues
, &cbdata
);
3170 /* Configure queues for 'iface'. */
3172 for (i
= 0; i
< qos
->n_queues
; i
++) {
3173 const struct ovsrec_queue
*queue
= qos
->value_queues
[i
];
3174 unsigned int queue_id
= qos
->key_queues
[i
];
3176 if (queue_id
== 0) {
3180 if (queue
->n_dscp
== 1) {
3181 struct ofproto_port_queue
*port_queue
;
3183 port_queue
= ofpbuf_put_uninit(&queues_buf
,
3184 sizeof *port_queue
);
3185 port_queue
->queue
= queue_id
;
3186 port_queue
->dscp
= queue
->dscp
[0];
3189 shash_from_ovs_idl_map(queue
->key_other_config
,
3190 queue
->value_other_config
,
3191 queue
->n_other_config
, &details
);
3192 netdev_set_queue(iface
->netdev
, queue_id
, &details
);
3193 shash_destroy(&details
);
3196 shash_init(&details
);
3197 netdev_set_queue(iface
->netdev
, 0, &details
);
3198 shash_destroy(&details
);
3202 if (iface
->ofp_port
>= 0) {
3203 const struct ofproto_port_queue
*port_queues
= queues_buf
.data
;
3204 size_t n_queues
= queues_buf
.size
/ sizeof *port_queues
;
3206 ofproto_port_set_queues(iface
->port
->bridge
->ofproto
, iface
->ofp_port
,
3207 port_queues
, n_queues
);
3210 netdev_set_policing(iface
->netdev
,
3211 iface
->cfg
->ingress_policing_rate
,
3212 iface
->cfg
->ingress_policing_burst
);
3214 ofpbuf_uninit(&queues_buf
);
3218 iface_configure_cfm(struct iface
*iface
)
3220 const struct ovsrec_interface
*cfg
= iface
->cfg
;
3221 const char *extended_str
, *opstate_str
;
3222 const char *cfm_ccm_vlan
;
3223 struct cfm_settings s
;
3225 if (!cfg
->n_cfm_mpid
) {
3226 ofproto_port_clear_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
);
3230 s
.mpid
= *cfg
->cfm_mpid
;
3231 s
.interval
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
3234 cfm_ccm_vlan
= ovsrec_interface_get_other_config_value(iface
->cfg
,
3237 s
.ccm_pcp
= atoi(ovsrec_interface_get_other_config_value(iface
->cfg
,
3240 if (s
.interval
<= 0) {
3244 if (!strcasecmp("random", cfm_ccm_vlan
)) {
3245 s
.ccm_vlan
= CFM_RANDOM_VLAN
;
3247 s
.ccm_vlan
= atoi(cfm_ccm_vlan
);
3248 if (s
.ccm_vlan
== CFM_RANDOM_VLAN
) {
3253 extended_str
= ovsrec_interface_get_other_config_value(iface
->cfg
,
3256 s
.extended
= !strcasecmp("true", extended_str
);
3258 opstate_str
= ovsrec_interface_get_other_config_value(iface
->cfg
,
3261 s
.opup
= !strcasecmp("up", opstate_str
);
3263 ofproto_port_set_cfm(iface
->port
->bridge
->ofproto
, iface
->ofp_port
, &s
);
3266 /* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3267 * instead of obtaining it from the database. */
3269 iface_is_synthetic(const struct iface
*iface
)
3271 return ovsdb_idl_row_is_synthetic(&iface
->cfg
->header_
);
3274 /* Port mirroring. */
3276 static struct mirror
*
3277 mirror_find_by_uuid(struct bridge
*br
, const struct uuid
*uuid
)
3281 HMAP_FOR_EACH_IN_BUCKET (m
, hmap_node
, uuid_hash(uuid
), &br
->mirrors
) {
3282 if (uuid_equals(uuid
, &m
->uuid
)) {
3290 bridge_configure_mirrors(struct bridge
*br
)
3292 const struct ovsdb_datum
*mc
;
3293 unsigned long *flood_vlans
;
3294 struct mirror
*m
, *next
;
3297 /* Get rid of deleted mirrors. */
3298 mc
= ovsrec_bridge_get_mirrors(br
->cfg
, OVSDB_TYPE_UUID
);
3299 HMAP_FOR_EACH_SAFE (m
, next
, hmap_node
, &br
->mirrors
) {
3300 union ovsdb_atom atom
;
3302 atom
.uuid
= m
->uuid
;
3303 if (ovsdb_datum_find_key(mc
, &atom
, OVSDB_TYPE_UUID
) == UINT_MAX
) {
3308 /* Add new mirrors and reconfigure existing ones. */
3309 for (i
= 0; i
< br
->cfg
->n_mirrors
; i
++) {
3310 const struct ovsrec_mirror
*cfg
= br
->cfg
->mirrors
[i
];
3311 struct mirror
*m
= mirror_find_by_uuid(br
, &cfg
->header_
.uuid
);
3313 m
= mirror_create(br
, cfg
);
3316 if (!mirror_configure(m
)) {
3321 /* Update flooded vlans (for RSPAN). */
3322 flood_vlans
= vlan_bitmap_from_array(br
->cfg
->flood_vlans
,
3323 br
->cfg
->n_flood_vlans
);
3324 ofproto_set_flood_vlans(br
->ofproto
, flood_vlans
);
3325 bitmap_free(flood_vlans
);
3328 static struct mirror
*
3329 mirror_create(struct bridge
*br
, const struct ovsrec_mirror
*cfg
)
3333 m
= xzalloc(sizeof *m
);
3334 m
->uuid
= cfg
->header_
.uuid
;
3335 hmap_insert(&br
->mirrors
, &m
->hmap_node
, uuid_hash(&m
->uuid
));
3337 m
->name
= xstrdup(cfg
->name
);
3343 mirror_destroy(struct mirror
*m
)
3346 struct bridge
*br
= m
->bridge
;
3349 ofproto_mirror_unregister(br
->ofproto
, m
);
3352 hmap_remove(&br
->mirrors
, &m
->hmap_node
);
3359 mirror_collect_ports(struct mirror
*m
,
3360 struct ovsrec_port
**in_ports
, int n_in_ports
,
3361 void ***out_portsp
, size_t *n_out_portsp
)
3363 void **out_ports
= xmalloc(n_in_ports
* sizeof *out_ports
);
3364 size_t n_out_ports
= 0;
3367 for (i
= 0; i
< n_in_ports
; i
++) {
3368 const char *name
= in_ports
[i
]->name
;
3369 struct port
*port
= port_lookup(m
->bridge
, name
);
3371 out_ports
[n_out_ports
++] = port
;
3373 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3374 "port %s", m
->bridge
->name
, m
->name
, name
);
3377 *out_portsp
= out_ports
;
3378 *n_out_portsp
= n_out_ports
;
3382 mirror_configure(struct mirror
*m
)
3384 const struct ovsrec_mirror
*cfg
= m
->cfg
;
3385 struct ofproto_mirror_settings s
;
3388 if (strcmp(cfg
->name
, m
->name
)) {
3390 m
->name
= xstrdup(cfg
->name
);
3394 /* Get output port or VLAN. */
3395 if (cfg
->output_port
) {
3396 s
.out_bundle
= port_lookup(m
->bridge
, cfg
->output_port
->name
);
3397 if (!s
.out_bundle
) {
3398 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3399 m
->bridge
->name
, m
->name
);
3402 s
.out_vlan
= UINT16_MAX
;
3404 if (cfg
->output_vlan
) {
3405 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3406 "output vlan; ignoring output vlan",
3407 m
->bridge
->name
, m
->name
);
3409 } else if (cfg
->output_vlan
) {
3410 /* The database should prevent invalid VLAN values. */
3411 s
.out_bundle
= NULL
;
3412 s
.out_vlan
= *cfg
->output_vlan
;
3414 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3415 m
->bridge
->name
, m
->name
);
3419 /* Get port selection. */
3420 if (cfg
->select_all
) {
3421 size_t n_ports
= hmap_count(&m
->bridge
->ports
);
3422 void **ports
= xmalloc(n_ports
* sizeof *ports
);
3427 HMAP_FOR_EACH (port
, hmap_node
, &m
->bridge
->ports
) {
3437 /* Get ports, dropping ports that don't exist.
3438 * The IDL ensures that there are no duplicates. */
3439 mirror_collect_ports(m
, cfg
->select_src_port
, cfg
->n_select_src_port
,
3440 &s
.srcs
, &s
.n_srcs
);
3441 mirror_collect_ports(m
, cfg
->select_dst_port
, cfg
->n_select_dst_port
,
3442 &s
.dsts
, &s
.n_dsts
);
3445 /* Get VLAN selection. */
3446 s
.src_vlans
= vlan_bitmap_from_array(cfg
->select_vlan
, cfg
->n_select_vlan
);
3449 ofproto_mirror_register(m
->bridge
->ofproto
, m
, &s
);
3452 if (s
.srcs
!= s
.dsts
) {
3461 /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3463 * This is deprecated. It is only for compatibility with broken device drivers
3464 * in old versions of Linux that do not properly support VLANs when VLAN
3465 * devices are not used. When broken device drivers are no longer in
3466 * widespread use, we will delete these interfaces. */
3468 static void **blocks
;
3469 static size_t n_blocks
, allocated_blocks
;
3471 /* Adds 'block' to a list of blocks that have to be freed with free() when the
3472 * VLAN splinters are reconfigured. */
3474 register_block(void *block
)
3476 if (n_blocks
>= allocated_blocks
) {
3477 blocks
= x2nrealloc(blocks
, &allocated_blocks
, sizeof *blocks
);
3479 blocks
[n_blocks
++] = block
;
3482 /* Frees all of the blocks registered with register_block(). */
3484 free_registered_blocks(void)
3488 for (i
= 0; i
< n_blocks
; i
++) {
3494 /* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3497 vlan_splinters_is_enabled(const struct ovsrec_interface
*iface_cfg
)
3501 value
= ovsrec_interface_get_other_config_value(iface_cfg
,
3502 "enable-vlan-splinters",
3504 return !strcmp(value
, "true");
3507 /* Figures out the set of VLANs that are in use for the purpose of VLAN
3510 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3511 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3512 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3515 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3516 * use, returns NULL.
3518 * Updates 'vlan_splinters_enabled_anywhere'. */
3519 static unsigned long int *
3520 collect_splinter_vlans(const struct ovsrec_open_vswitch
*ovs_cfg
)
3522 unsigned long int *splinter_vlans
;
3523 struct sset splinter_ifaces
;
3524 const char *real_dev_name
;
3525 struct shash
*real_devs
;
3526 struct shash_node
*node
;
3530 /* Free space allocated for synthesized ports and interfaces, since we're
3531 * in the process of reconstructing all of them. */
3532 free_registered_blocks();
3534 splinter_vlans
= bitmap_allocate(4096);
3535 sset_init(&splinter_ifaces
);
3536 vlan_splinters_enabled_anywhere
= false;
3537 for (i
= 0; i
< ovs_cfg
->n_bridges
; i
++) {
3538 struct ovsrec_bridge
*br_cfg
= ovs_cfg
->bridges
[i
];
3541 for (j
= 0; j
< br_cfg
->n_ports
; j
++) {
3542 struct ovsrec_port
*port_cfg
= br_cfg
->ports
[j
];
3545 for (k
= 0; k
< port_cfg
->n_interfaces
; k
++) {
3546 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[k
];
3548 if (vlan_splinters_is_enabled(iface_cfg
)) {
3549 vlan_splinters_enabled_anywhere
= true;
3550 sset_add(&splinter_ifaces
, iface_cfg
->name
);
3551 vlan_bitmap_from_array__(port_cfg
->trunks
,
3557 if (port_cfg
->tag
&& *port_cfg
->tag
> 0 && *port_cfg
->tag
< 4095) {
3558 bitmap_set1(splinter_vlans
, *port_cfg
->tag
);
3563 if (!vlan_splinters_enabled_anywhere
) {
3564 free(splinter_vlans
);
3565 sset_destroy(&splinter_ifaces
);
3569 HMAP_FOR_EACH (br
, node
, &all_bridges
) {
3571 ofproto_get_vlan_usage(br
->ofproto
, splinter_vlans
);
3575 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3576 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3577 * device to be created for it. */
3578 bitmap_set0(splinter_vlans
, 0);
3579 bitmap_set0(splinter_vlans
, 4095);
3581 /* Delete all VLAN devices that we don't need. */
3583 real_devs
= vlandev_get_real_devs();
3584 SHASH_FOR_EACH (node
, real_devs
) {
3585 const struct vlan_real_dev
*real_dev
= node
->data
;
3586 const struct vlan_dev
*vlan_dev
;
3587 bool real_dev_has_splinters
;
3589 real_dev_has_splinters
= sset_contains(&splinter_ifaces
,
3591 HMAP_FOR_EACH (vlan_dev
, hmap_node
, &real_dev
->vlan_devs
) {
3592 if (!real_dev_has_splinters
3593 || !bitmap_is_set(splinter_vlans
, vlan_dev
->vid
)) {
3594 struct netdev
*netdev
;
3596 if (!netdev_open(vlan_dev
->name
, "system", &netdev
)) {
3597 if (!netdev_get_in4(netdev
, NULL
, NULL
) ||
3598 !netdev_get_in6(netdev
, NULL
)) {
3599 vlandev_del(vlan_dev
->name
);
3601 /* It has an IP address configured, so we don't own
3602 * it. Don't delete it. */
3604 netdev_close(netdev
);
3611 /* Add all VLAN devices that we need. */
3612 SSET_FOR_EACH (real_dev_name
, &splinter_ifaces
) {
3615 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
3616 if (!vlandev_get_name(real_dev_name
, vid
)) {
3617 vlandev_add(real_dev_name
, vid
);
3624 sset_destroy(&splinter_ifaces
);
3626 if (bitmap_scan(splinter_vlans
, 0, 4096) >= 4096) {
3627 free(splinter_vlans
);
3630 return splinter_vlans
;
3633 /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3636 configure_splinter_port(struct port
*port
)
3638 struct ofproto
*ofproto
= port
->bridge
->ofproto
;
3639 uint16_t realdev_ofp_port
;
3640 const char *realdev_name
;
3641 struct iface
*vlandev
, *realdev
;
3643 ofproto_bundle_unregister(port
->bridge
->ofproto
, port
);
3645 vlandev
= CONTAINER_OF(list_front(&port
->ifaces
), struct iface
,
3648 realdev_name
= ovsrec_port_get_other_config_value(port
->cfg
,
3650 realdev
= iface_lookup(port
->bridge
, realdev_name
);
3651 realdev_ofp_port
= realdev
? realdev
->ofp_port
: 0;
3653 ofproto_port_set_realdev(ofproto
, vlandev
->ofp_port
, realdev_ofp_port
,
3657 static struct ovsrec_port
*
3658 synthesize_splinter_port(const char *real_dev_name
,
3659 const char *vlan_dev_name
, int vid
)
3661 struct ovsrec_interface
*iface
;
3662 struct ovsrec_port
*port
;
3664 iface
= xzalloc(sizeof *iface
);
3665 iface
->name
= xstrdup(vlan_dev_name
);
3666 iface
->type
= "system";
3668 port
= xzalloc(sizeof *port
);
3669 port
->interfaces
= xmemdup(&iface
, sizeof iface
);
3670 port
->n_interfaces
= 1;
3671 port
->name
= xstrdup(vlan_dev_name
);
3672 port
->vlan_mode
= "splinter";
3673 port
->tag
= xmalloc(sizeof *port
->tag
);
3675 port
->key_other_config
= xmalloc(sizeof *port
->key_other_config
);
3676 port
->key_other_config
[0] = "realdev";
3677 port
->value_other_config
= xmalloc(sizeof *port
->value_other_config
);
3678 port
->value_other_config
[0] = xstrdup(real_dev_name
);
3679 port
->n_other_config
= 1;
3681 register_block(iface
);
3682 register_block(iface
->name
);
3683 register_block(port
);
3684 register_block(port
->interfaces
);
3685 register_block(port
->name
);
3686 register_block(port
->tag
);
3687 register_block(port
->key_other_config
);
3688 register_block(port
->value_other_config
);
3689 register_block(port
->value_other_config
[0]);
3694 /* For each interface with 'br' that has VLAN splinters enabled, adds a
3695 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3696 * 1-bit in the 'splinter_vlans' bitmap. */
3698 add_vlan_splinter_ports(struct bridge
*br
,
3699 const unsigned long int *splinter_vlans
,
3700 struct shash
*ports
)
3704 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3705 * we're modifying 'ports'. */
3706 for (i
= 0; i
< br
->cfg
->n_ports
; i
++) {
3707 const char *name
= br
->cfg
->ports
[i
]->name
;
3708 struct ovsrec_port
*port_cfg
= shash_find_data(ports
, name
);
3711 for (j
= 0; j
< port_cfg
->n_interfaces
; j
++) {
3712 struct ovsrec_interface
*iface_cfg
= port_cfg
->interfaces
[j
];
3714 if (vlan_splinters_is_enabled(iface_cfg
)) {
3715 const char *real_dev_name
;
3718 real_dev_name
= iface_cfg
->name
;
3719 BITMAP_FOR_EACH_1 (vid
, 4096, splinter_vlans
) {
3720 const char *vlan_dev_name
;
3722 vlan_dev_name
= vlandev_get_name(real_dev_name
, vid
);
3724 && !shash_find(ports
, vlan_dev_name
)) {
3725 shash_add(ports
, vlan_dev_name
,
3726 synthesize_splinter_port(
3727 real_dev_name
, vlan_dev_name
, vid
));
3736 mirror_refresh_stats(struct mirror
*m
)
3738 struct ofproto
*ofproto
= m
->bridge
->ofproto
;
3739 uint64_t tx_packets
, tx_bytes
;
3742 size_t stat_cnt
= 0;
3744 if (ofproto_mirror_get_stats(ofproto
, m
, &tx_packets
, &tx_bytes
)) {
3745 ovsrec_mirror_set_statistics(m
->cfg
, NULL
, NULL
, 0);
3749 if (tx_packets
!= UINT64_MAX
) {
3750 keys
[stat_cnt
] = "tx_packets";
3751 values
[stat_cnt
] = tx_packets
;
3754 if (tx_bytes
!= UINT64_MAX
) {
3755 keys
[stat_cnt
] = "tx_bytes";
3756 values
[stat_cnt
] = tx_bytes
;
3760 ovsrec_mirror_set_statistics(m
->cfg
, keys
, values
, stat_cnt
);