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b0ec0f27 | 1 | /* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks |
c93b1d6a | 2 | * |
a14bc59f BP |
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: | |
064af421 | 6 | * |
a14bc59f | 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
064af421 | 8 | * |
a14bc59f BP |
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. | |
064af421 BP |
14 | */ |
15 | ||
16 | #include <config.h> | |
17 | #include "bridge.h" | |
18 | #include <assert.h> | |
19 | #include <errno.h> | |
064af421 | 20 | #include <inttypes.h> |
064af421 | 21 | #include <stdlib.h> |
064af421 | 22 | #include "bitmap.h" |
f620b43a | 23 | #include "bond.h" |
b31bcf60 | 24 | #include "cfm.h" |
064af421 | 25 | #include "coverage.h" |
a7ff9bd7 | 26 | #include "daemon.h" |
064af421 | 27 | #include "dirs.h" |
064af421 | 28 | #include "dynamic-string.h" |
064af421 | 29 | #include "hash.h" |
d9a8717a | 30 | #include "hmap.h" |
cd11000b | 31 | #include "jsonrpc.h" |
6aa74308 | 32 | #include "lacp.h" |
064af421 | 33 | #include "list.h" |
064af421 | 34 | #include "netdev.h" |
064af421 BP |
35 | #include "ofp-print.h" |
36 | #include "ofpbuf.h" | |
8cd4882f | 37 | #include "ofproto/ofproto.h" |
064af421 | 38 | #include "poll-loop.h" |
76343538 | 39 | #include "sha1.h" |
6c88d577 | 40 | #include "shash.h" |
064af421 | 41 | #include "socket-util.h" |
fe55ad15 | 42 | #include "stream-ssl.h" |
b3c01ed3 | 43 | #include "sset.h" |
ce887677 | 44 | #include "system-stats.h" |
064af421 BP |
45 | #include "timeval.h" |
46 | #include "util.h" | |
da285df4 | 47 | #include "unixctl.h" |
b36682d8 | 48 | #include "vswitchd/vswitch-idl.h" |
064af421 | 49 | #include "xenserver.h" |
5136ce49 | 50 | #include "vlog.h" |
72b06300 | 51 | #include "sflow_api.h" |
0fb7b915 | 52 | #include "vlan-bitmap.h" |
064af421 | 53 | |
d98e6007 | 54 | VLOG_DEFINE_THIS_MODULE(bridge); |
064af421 | 55 | |
d76f09ea BP |
56 | COVERAGE_DEFINE(bridge_reconfigure); |
57 | ||
064af421 | 58 | struct iface { |
0c6aea3f | 59 | /* These members are always valid. */ |
83db7968 | 60 | struct list port_elem; /* Element in struct port's "ifaces" list. */ |
ebea37cc | 61 | struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */ |
064af421 | 62 | struct port *port; /* Containing port. */ |
064af421 | 63 | char *name; /* Host network device name. */ |
064af421 | 64 | tag_type tag; /* Tag associated with this interface. */ |
064af421 | 65 | |
0c6aea3f | 66 | /* These members are valid only after bridge_reconfigure() causes them to |
1e0b752d | 67 | * be initialized. */ |
892815f5 BP |
68 | struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */ |
69 | int ofp_port; /* OpenFlow port number, -1 if unknown. */ | |
0c6aea3f | 70 | struct netdev *netdev; /* Network device. */ |
6cefe1da | 71 | const char *type; /* Usually same as cfg->type. */ |
76343538 | 72 | const struct ovsrec_interface *cfg; |
064af421 BP |
73 | }; |
74 | ||
064af421 | 75 | struct mirror { |
fa066f01 BP |
76 | struct uuid uuid; /* UUID of this "mirror" record in database. */ |
77 | struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */ | |
064af421 | 78 | struct bridge *bridge; |
064af421 | 79 | char *name; |
064af421 BP |
80 | }; |
81 | ||
064af421 BP |
82 | struct port { |
83 | struct bridge *bridge; | |
8052fb14 BP |
84 | struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */ |
85 | char *name; | |
86 | ||
1e0b752d | 87 | const struct ovsrec_port *cfg; |
064af421 BP |
88 | |
89 | /* An ordinary bridge port has 1 interface. | |
90 | * A bridge port for bonding has at least 2 interfaces. */ | |
83db7968 | 91 | struct list ifaces; /* List of "struct iface"s. */ |
064af421 BP |
92 | }; |
93 | ||
064af421 | 94 | struct bridge { |
764072fd | 95 | struct hmap_node node; /* In 'all_bridges'. */ |
064af421 | 96 | char *name; /* User-specified arbitrary name. */ |
66da9bef | 97 | char *type; /* Datapath type. */ |
abe457eb | 98 | uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */ |
064af421 | 99 | uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */ |
1e0b752d | 100 | const struct ovsrec_bridge *cfg; |
064af421 | 101 | |
064af421 BP |
102 | /* OpenFlow switch processing. */ |
103 | struct ofproto *ofproto; /* OpenFlow switch. */ | |
104 | ||
064af421 | 105 | /* Bridge ports. */ |
8052fb14 | 106 | struct hmap ports; /* "struct port"s indexed by name. */ |
892815f5 | 107 | struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */ |
ebea37cc | 108 | struct hmap iface_by_name; /* "struct iface"s indexed by name. */ |
064af421 | 109 | |
064af421 | 110 | /* Port mirroring. */ |
fa066f01 | 111 | struct hmap mirrors; /* "struct mirror" indexed by UUID. */ |
cfea354b BP |
112 | |
113 | /* Synthetic local port if necessary. */ | |
114 | struct ovsrec_port synth_local_port; | |
115 | struct ovsrec_interface synth_local_iface; | |
116 | struct ovsrec_interface *synth_local_ifacep; | |
064af421 BP |
117 | }; |
118 | ||
764072fd BP |
119 | /* All bridges, indexed by name. */ |
120 | static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges); | |
064af421 | 121 | |
c5187f17 BP |
122 | /* OVSDB IDL used to obtain configuration. */ |
123 | static struct ovsdb_idl *idl; | |
124 | ||
cd0cd65f BP |
125 | /* Each time this timer expires, the bridge fetches systems and interface |
126 | * statistics and pushes them into the database. */ | |
127 | #define STATS_INTERVAL (5 * 1000) /* In milliseconds. */ | |
128 | static long long int stats_timer = LLONG_MIN; | |
018f1525 | 129 | |
815cd583 EJ |
130 | /* Stores the time after which rate limited statistics may be written to the |
131 | * database. Only updated when changes to the database require rate limiting. | |
132 | */ | |
133 | #define DB_LIMIT_INTERVAL (1 * 1000) /* In milliseconds. */ | |
134 | static long long int db_limiter = LLONG_MIN; | |
6586adf5 | 135 | |
66da9bef | 136 | static void add_del_bridges(const struct ovsrec_open_vswitch *); |
f79e673f BP |
137 | static void bridge_del_ofprotos(void); |
138 | static bool bridge_add_ofprotos(struct bridge *); | |
66da9bef | 139 | static void bridge_create(const struct ovsrec_bridge *); |
064af421 BP |
140 | static void bridge_destroy(struct bridge *); |
141 | static struct bridge *bridge_lookup(const char *name); | |
8ca79daa | 142 | static unixctl_cb_func bridge_unixctl_dump_flows; |
fa05809b | 143 | static unixctl_cb_func bridge_unixctl_reconnect; |
1a048029 | 144 | static size_t bridge_get_controllers(const struct bridge *br, |
76ce9432 | 145 | struct ovsrec_controller ***controllersp); |
66da9bef BP |
146 | static void bridge_add_del_ports(struct bridge *); |
147 | static void bridge_add_ofproto_ports(struct bridge *); | |
148 | static void bridge_del_ofproto_ports(struct bridge *); | |
892815f5 | 149 | static void bridge_refresh_ofp_port(struct bridge *); |
6f90b8f4 BP |
150 | static void bridge_configure_datapath_id(struct bridge *); |
151 | static void bridge_configure_netflow(struct bridge *); | |
152 | static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); | |
fa066f01 BP |
153 | static void bridge_configure_remotes(struct bridge *, |
154 | const struct sockaddr_in *managers, | |
155 | size_t n_managers); | |
064af421 BP |
156 | static void bridge_pick_local_hw_addr(struct bridge *, |
157 | uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 158 | struct iface **hw_addr_iface); |
064af421 BP |
159 | static uint64_t bridge_pick_datapath_id(struct bridge *, |
160 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 161 | struct iface *hw_addr_iface); |
064af421 | 162 | static uint64_t dpid_from_hash(const void *, size_t nbytes); |
e8192d80 BP |
163 | static bool bridge_has_bond_fake_iface(const struct bridge *, |
164 | const char *name); | |
165 | static bool port_is_bond_fake_iface(const struct port *); | |
064af421 | 166 | |
20c8e971 | 167 | static unixctl_cb_func cfm_unixctl_show; |
e8fe3026 | 168 | static unixctl_cb_func qos_unixctl_show; |
8c4c1387 | 169 | |
66da9bef BP |
170 | static struct port *port_create(struct bridge *, const struct ovsrec_port *); |
171 | static void port_add_ifaces(struct port *); | |
172 | static void port_del_ifaces(struct port *); | |
064af421 BP |
173 | static void port_destroy(struct port *); |
174 | static struct port *port_lookup(const struct bridge *, const char *name); | |
fa066f01 BP |
175 | static void port_configure(struct port *); |
176 | static struct lacp_settings *port_configure_lacp(struct port *, | |
177 | struct lacp_settings *); | |
76ed83fc BP |
178 | static void port_configure_bond(struct port *, struct bond_settings *, |
179 | uint32_t *bond_stable_ids); | |
fa066f01 BP |
180 | |
181 | static void bridge_configure_mirrors(struct bridge *); | |
182 | static struct mirror *mirror_create(struct bridge *, | |
183 | const struct ovsrec_mirror *); | |
064af421 | 184 | static void mirror_destroy(struct mirror *); |
fa066f01 | 185 | static bool mirror_configure(struct mirror *, const struct ovsrec_mirror *); |
064af421 | 186 | |
fa066f01 | 187 | static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *); |
d295e8e9 | 188 | static struct iface *iface_create(struct port *port, |
a740f0de | 189 | const struct ovsrec_interface *if_cfg); |
064af421 BP |
190 | static void iface_destroy(struct iface *); |
191 | static struct iface *iface_lookup(const struct bridge *, const char *name); | |
e8fe3026 | 192 | static struct iface *iface_find(const char *name); |
892815f5 BP |
193 | static struct iface *iface_from_ofp_port(const struct bridge *, |
194 | uint16_t ofp_port); | |
52df17e7 | 195 | static void iface_set_mac(struct iface *); |
bcd49a45 | 196 | static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport); |
66da9bef BP |
197 | static void iface_configure_qos(struct iface *, const struct ovsrec_qos *); |
198 | static void iface_configure_cfm(struct iface *); | |
6586adf5 | 199 | static bool iface_refresh_cfm_stats(struct iface *iface); |
0b8024eb | 200 | static bool iface_get_carrier(const struct iface *); |
cfea354b | 201 | static bool iface_is_synthetic(const struct iface *); |
064af421 | 202 | |
43776b8f BP |
203 | static void shash_from_ovs_idl_map(char **keys, char **values, size_t n, |
204 | struct shash *); | |
ea763e0e EJ |
205 | static void shash_to_ovs_idl_map(struct shash *, |
206 | char ***keys, char ***values, size_t *n); | |
064af421 BP |
207 | \f |
208 | /* Public functions. */ | |
209 | ||
c5187f17 BP |
210 | /* Initializes the bridge module, configuring it to obtain its configuration |
211 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
212 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 213 | void |
c5187f17 BP |
214 | bridge_init(const char *remote) |
215 | { | |
216 | /* Create connection to database. */ | |
ef73f86c | 217 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); |
c5187f17 | 218 | |
ef73f86c BP |
219 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
220 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 | 221 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
62f3aaed BP |
222 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version); |
223 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version); | |
224 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type); | |
225 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version); | |
e85bbd75 | 226 | |
62f3aaed | 227 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id); |
e85bbd75 BP |
228 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); |
229 | ||
230 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); | |
231 | ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge); | |
232 | ||
62f3aaed BP |
233 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state); |
234 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex); | |
235 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed); | |
236 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state); | |
237 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu); | |
ef73f86c BP |
238 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); |
239 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); | |
62f3aaed | 240 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status); |
e85bbd75 BP |
241 | ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); |
242 | ||
62f3aaed BP |
243 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected); |
244 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role); | |
245 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status); | |
246 | ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids); | |
247 | ||
248 | ovsdb_idl_omit_alert(idl, &ovsrec_maintenance_point_col_fault); | |
249 | ||
250 | ovsdb_idl_omit_alert(idl, &ovsrec_monitor_col_fault); | |
251 | ||
252 | ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids); | |
253 | ||
254 | ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids); | |
255 | ||
256 | ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids); | |
257 | ||
258 | ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids); | |
259 | ||
260 | ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids); | |
261 | ||
262 | ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids); | |
263 | ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe); | |
264 | ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected); | |
265 | ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff); | |
266 | ovsdb_idl_omit(idl, &ovsrec_manager_col_status); | |
267 | ||
268 | ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids); | |
269 | ||
c5187f17 | 270 | /* Register unixctl commands. */ |
20c8e971 | 271 | unixctl_command_register("cfm/show", cfm_unixctl_show, NULL); |
e8fe3026 | 272 | unixctl_command_register("qos/show", qos_unixctl_show, NULL); |
c5187f17 BP |
273 | unixctl_command_register("bridge/dump-flows", bridge_unixctl_dump_flows, |
274 | NULL); | |
fa05809b BP |
275 | unixctl_command_register("bridge/reconnect", bridge_unixctl_reconnect, |
276 | NULL); | |
5827ce14 | 277 | lacp_init(); |
c5187f17 BP |
278 | bond_init(); |
279 | } | |
280 | ||
ee45ad81 BP |
281 | void |
282 | bridge_exit(void) | |
283 | { | |
284 | struct bridge *br, *next_br; | |
285 | ||
764072fd | 286 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
ee45ad81 BP |
287 | bridge_destroy(br); |
288 | } | |
289 | ovsdb_idl_destroy(idl); | |
290 | } | |
291 | ||
cd11000b BP |
292 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
293 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
294 | * responsible for freeing '*managersp' (with free()). | |
295 | * | |
296 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
297 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
298 | * should not be and in fact is not directly involved in that. But | |
299 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
300 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 301 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
302 | */ |
303 | static void | |
94db5407 BP |
304 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
305 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
306 | { |
307 | struct sockaddr_in *managers = NULL; | |
308 | size_t n_managers = 0; | |
b3c01ed3 | 309 | struct sset targets; |
94db5407 BP |
310 | size_t i; |
311 | ||
289df16d AE |
312 | /* Collect all of the potential targets from the "targets" columns of the |
313 | * rows pointed to by "manager_options", excluding any that are | |
314 | * out-of-band. */ | |
b3c01ed3 | 315 | sset_init(&targets); |
94db5407 BP |
316 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
317 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
318 | ||
319 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
b3c01ed3 | 320 | sset_find_and_delete(&targets, m->target); |
94db5407 | 321 | } else { |
b3c01ed3 | 322 | sset_add(&targets, m->target); |
94db5407 BP |
323 | } |
324 | } | |
cd11000b | 325 | |
94db5407 | 326 | /* Now extract the targets' IP addresses. */ |
b3c01ed3 BP |
327 | if (!sset_is_empty(&targets)) { |
328 | const char *target; | |
cd11000b | 329 | |
b3c01ed3 BP |
330 | managers = xmalloc(sset_count(&targets) * sizeof *managers); |
331 | SSET_FOR_EACH (target, &targets) { | |
94db5407 | 332 | struct sockaddr_in *sin = &managers[n_managers]; |
cd11000b | 333 | |
94db5407 BP |
334 | if ((!strncmp(target, "tcp:", 4) |
335 | && inet_parse_active(target + 4, JSONRPC_TCP_PORT, sin)) || | |
336 | (!strncmp(target, "ssl:", 4) | |
337 | && inet_parse_active(target + 4, JSONRPC_SSL_PORT, sin))) { | |
cd11000b BP |
338 | n_managers++; |
339 | } | |
340 | } | |
341 | } | |
b3c01ed3 | 342 | sset_destroy(&targets); |
cd11000b BP |
343 | |
344 | *managersp = managers; | |
345 | *n_managersp = n_managers; | |
346 | } | |
347 | ||
c5187f17 | 348 | static void |
76343538 | 349 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 350 | { |
cd11000b | 351 | struct sockaddr_in *managers; |
66da9bef | 352 | struct bridge *br, *next; |
72b06300 | 353 | int sflow_bridge_number; |
66da9bef | 354 | size_t n_managers; |
064af421 BP |
355 | |
356 | COVERAGE_INC(bridge_reconfigure); | |
357 | ||
66da9bef BP |
358 | /* Create and destroy "struct bridge"s, "struct port"s, and "struct |
359 | * iface"s according to 'ovs_cfg', with only very minimal configuration | |
360 | * otherwise. | |
361 | * | |
362 | * This is purely an update to bridge data structures. Nothing is pushed | |
363 | * down to ofproto or lower layers. */ | |
364 | add_del_bridges(ovs_cfg); | |
764072fd | 365 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef | 366 | bridge_add_del_ports(br); |
76343538 | 367 | } |
064af421 | 368 | |
66da9bef | 369 | /* Delete all datapaths and datapath ports that are no longer configured. |
064af421 BP |
370 | * |
371 | * The kernel will reject any attempt to add a given port to a datapath if | |
372 | * that port already belongs to a different datapath, so we must do all | |
66da9bef BP |
373 | * port deletions before any port additions. A datapath always has a |
374 | * "local port" so we must delete not-configured datapaths too. */ | |
f79e673f | 375 | bridge_del_ofprotos(); |
764072fd | 376 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef BP |
377 | if (br->ofproto) { |
378 | bridge_del_ofproto_ports(br); | |
76343538 | 379 | } |
064af421 | 380 | } |
064af421 | 381 | |
66da9bef BP |
382 | /* Create datapaths and datapath ports that are missing. |
383 | * | |
384 | * After this is done, we have our final set of bridges, ports, and | |
385 | * interfaces. Every "struct bridge" has an ofproto, every "struct port" | |
892815f5 | 386 | * has at least one iface, every "struct iface" has a valid ofp_port and |
66da9bef BP |
387 | * netdev. */ |
388 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
f79e673f | 389 | if (!br->ofproto && !bridge_add_ofprotos(br)) { |
064af421 BP |
390 | bridge_destroy(br); |
391 | } | |
392 | } | |
e8192d80 | 393 | HMAP_FOR_EACH (br, node, &all_bridges) { |
892815f5 | 394 | bridge_refresh_ofp_port(br); |
66da9bef | 395 | bridge_add_ofproto_ports(br); |
064af421 | 396 | } |
064af421 | 397 | |
66da9bef BP |
398 | /* Complete the configuration. */ |
399 | sflow_bridge_number = 0; | |
400 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); | |
764072fd | 401 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 402 | struct port *port; |
064af421 | 403 | |
8052fb14 | 404 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 405 | struct iface *iface; |
52df17e7 | 406 | |
fa066f01 | 407 | port_configure(port); |
c1c9c9c4 | 408 | |
892815f5 | 409 | HMAP_FOR_EACH (iface, ofp_port_node, &br->ifaces) { |
66da9bef BP |
410 | iface_configure_cfm(iface); |
411 | iface_configure_qos(iface, port->cfg->qos); | |
7ae79235 | 412 | iface_set_mac(iface); |
064af421 BP |
413 | } |
414 | } | |
fa066f01 | 415 | bridge_configure_mirrors(br); |
66da9bef | 416 | bridge_configure_datapath_id(br); |
fa066f01 | 417 | bridge_configure_remotes(br, managers, n_managers); |
66da9bef BP |
418 | bridge_configure_netflow(br); |
419 | bridge_configure_sflow(br, &sflow_bridge_number); | |
064af421 | 420 | } |
66da9bef | 421 | free(managers); |
064af421 | 422 | |
66da9bef BP |
423 | /* ovs-vswitchd has completed initialization, so allow the process that |
424 | * forked us to exit successfully. */ | |
425 | daemonize_complete(); | |
426 | } | |
064af421 | 427 | |
f79e673f | 428 | /* Iterate over all ofprotos and delete any of them that do not have a |
66da9bef BP |
429 | * configured bridge or that are the wrong type. */ |
430 | static void | |
f79e673f | 431 | bridge_del_ofprotos(void) |
66da9bef | 432 | { |
f79e673f BP |
433 | struct sset names; |
434 | struct sset types; | |
66da9bef | 435 | const char *type; |
6c88d577 | 436 | |
f79e673f BP |
437 | sset_init(&names); |
438 | sset_init(&types); | |
439 | ofproto_enumerate_types(&types); | |
440 | SSET_FOR_EACH (type, &types) { | |
66da9bef | 441 | const char *name; |
3a6ccc8c | 442 | |
f79e673f BP |
443 | ofproto_enumerate_names(type, &names); |
444 | SSET_FOR_EACH (name, &names) { | |
66da9bef BP |
445 | struct bridge *br = bridge_lookup(name); |
446 | if (!br || strcmp(type, br->type)) { | |
f79e673f | 447 | ofproto_delete(name, type); |
3a6ccc8c | 448 | } |
b31bcf60 EJ |
449 | } |
450 | } | |
f79e673f BP |
451 | sset_destroy(&names); |
452 | sset_destroy(&types); | |
66da9bef | 453 | } |
76343538 | 454 | |
66da9bef | 455 | static bool |
f79e673f | 456 | bridge_add_ofprotos(struct bridge *br) |
66da9bef | 457 | { |
fa066f01 | 458 | int error = ofproto_create(br->name, br->type, &br->ofproto); |
66da9bef | 459 | if (error) { |
fa066f01 | 460 | VLOG_ERR("failed to create bridge %s: %s", br->name, strerror(error)); |
66da9bef BP |
461 | return false; |
462 | } | |
463 | return true; | |
093e47f4 | 464 | } |
c3827f61 | 465 | |
fa066f01 BP |
466 | static void |
467 | port_configure(struct port *port) | |
468 | { | |
469 | const struct ovsrec_port *cfg = port->cfg; | |
470 | struct bond_settings bond_settings; | |
471 | struct lacp_settings lacp_settings; | |
472 | struct ofproto_bundle_settings s; | |
473 | struct iface *iface; | |
82057f51 | 474 | |
fa066f01 BP |
475 | /* Get name. */ |
476 | s.name = port->name; | |
3a6ccc8c | 477 | |
fa066f01 BP |
478 | /* Get slaves. */ |
479 | s.n_slaves = 0; | |
480 | s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves); | |
481 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 482 | s.slaves[s.n_slaves++] = iface->ofp_port; |
fa066f01 | 483 | } |
c3827f61 | 484 | |
fa066f01 BP |
485 | /* Get VLAN tag. */ |
486 | s.vlan = -1; | |
487 | if (cfg->tag) { | |
488 | if (list_is_short(&port->ifaces)) { | |
489 | if (*cfg->tag >= 0 && *cfg->tag <= 4095) { | |
490 | s.vlan = *cfg->tag; | |
491 | VLOG_DBG("port %s: assigning VLAN tag %d", port->name, s.vlan); | |
3a6ccc8c | 492 | } |
fa066f01 BP |
493 | } else { |
494 | /* It's possible that bonded, VLAN-tagged ports make sense. Maybe | |
495 | * they even work as-is. But they have not been tested. */ | |
496 | VLOG_WARN("port %s: VLAN tags not supported on bonded ports", | |
497 | port->name); | |
064af421 | 498 | } |
fa066f01 | 499 | } |
b0ec0f27 | 500 | |
fa066f01 BP |
501 | /* Get VLAN trunks. */ |
502 | s.trunks = NULL; | |
503 | if (s.vlan < 0 && cfg->n_trunks) { | |
504 | s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks); | |
505 | } else if (s.vlan >= 0 && cfg->n_trunks) { | |
506 | VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan", | |
507 | port->name); | |
064af421 | 508 | } |
064af421 | 509 | |
fa066f01 BP |
510 | /* Get LACP settings. */ |
511 | s.lacp = port_configure_lacp(port, &lacp_settings); | |
512 | if (s.lacp) { | |
513 | size_t i = 0; | |
064af421 | 514 | |
fa066f01 BP |
515 | s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves); |
516 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
517 | iface_configure_lacp(iface, &s.lacp_slaves[i++]); | |
064af421 | 518 | } |
fa066f01 BP |
519 | } else { |
520 | s.lacp_slaves = NULL; | |
521 | } | |
064af421 | 522 | |
fa066f01 BP |
523 | /* Get bond settings. */ |
524 | if (s.n_slaves > 1) { | |
fa066f01 | 525 | s.bond = &bond_settings; |
76ed83fc BP |
526 | s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids); |
527 | port_configure_bond(port, &bond_settings, s.bond_stable_ids); | |
fa066f01 BP |
528 | } else { |
529 | s.bond = NULL; | |
76ed83fc | 530 | s.bond_stable_ids = NULL; |
1670c579 EJ |
531 | |
532 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
533 | netdev_set_miimon_interval(iface->netdev, 0); | |
534 | } | |
fa066f01 | 535 | } |
093e47f4 | 536 | |
fa066f01 BP |
537 | /* Register. */ |
538 | ofproto_bundle_register(port->bridge->ofproto, port, &s); | |
76343538 | 539 | |
fa066f01 BP |
540 | /* Clean up. */ |
541 | free(s.trunks); | |
542 | free(s.lacp_slaves); | |
76ed83fc | 543 | free(s.bond_stable_ids); |
fa066f01 | 544 | } |
76343538 | 545 | |
6f90b8f4 BP |
546 | /* Pick local port hardware address and datapath ID for 'br'. */ |
547 | static void | |
548 | bridge_configure_datapath_id(struct bridge *br) | |
549 | { | |
550 | uint8_t ea[ETH_ADDR_LEN]; | |
551 | uint64_t dpid; | |
552 | struct iface *local_iface; | |
553 | struct iface *hw_addr_iface; | |
554 | char *dpid_string; | |
76343538 | 555 | |
6f90b8f4 | 556 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); |
892815f5 | 557 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
6f90b8f4 BP |
558 | if (local_iface) { |
559 | int error = netdev_set_etheraddr(local_iface->netdev, ea); | |
560 | if (error) { | |
561 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
562 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
563 | "Ethernet address: %s", | |
564 | br->name, strerror(error)); | |
565 | } | |
566 | } | |
567 | memcpy(br->ea, ea, ETH_ADDR_LEN); | |
76343538 | 568 | |
6f90b8f4 BP |
569 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); |
570 | ofproto_set_datapath_id(br->ofproto, dpid); | |
76343538 | 571 | |
6f90b8f4 BP |
572 | dpid_string = xasprintf("%016"PRIx64, dpid); |
573 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); | |
574 | free(dpid_string); | |
575 | } | |
064af421 | 576 | |
6f90b8f4 BP |
577 | /* Set NetFlow configuration on 'br'. */ |
578 | static void | |
579 | bridge_configure_netflow(struct bridge *br) | |
580 | { | |
581 | struct ovsrec_netflow *cfg = br->cfg->netflow; | |
582 | struct netflow_options opts; | |
72b06300 | 583 | |
6f90b8f4 BP |
584 | if (!cfg) { |
585 | ofproto_set_netflow(br->ofproto, NULL); | |
586 | return; | |
587 | } | |
a4af0040 | 588 | |
6f90b8f4 | 589 | memset(&opts, 0, sizeof opts); |
72b06300 | 590 | |
6f90b8f4 BP |
591 | /* Get default NetFlow configuration from datapath. |
592 | * Apply overrides from 'cfg'. */ | |
593 | ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id); | |
594 | if (cfg->engine_type) { | |
595 | opts.engine_type = *cfg->engine_type; | |
596 | } | |
597 | if (cfg->engine_id) { | |
598 | opts.engine_id = *cfg->engine_id; | |
599 | } | |
72b06300 | 600 | |
6f90b8f4 BP |
601 | /* Configure active timeout interval. */ |
602 | opts.active_timeout = cfg->active_timeout; | |
603 | if (!opts.active_timeout) { | |
604 | opts.active_timeout = -1; | |
605 | } else if (opts.active_timeout < 0) { | |
606 | VLOG_WARN("bridge %s: active timeout interval set to negative " | |
607 | "value, using default instead (%d seconds)", br->name, | |
608 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
609 | opts.active_timeout = -1; | |
610 | } | |
72b06300 | 611 | |
6f90b8f4 BP |
612 | /* Add engine ID to interface number to disambiguate bridgs? */ |
613 | opts.add_id_to_iface = cfg->add_id_to_interface; | |
614 | if (opts.add_id_to_iface) { | |
615 | if (opts.engine_id > 0x7f) { | |
616 | VLOG_WARN("bridge %s: NetFlow port mangling may conflict with " | |
617 | "another vswitch, choose an engine id less than 128", | |
618 | br->name); | |
619 | } | |
620 | if (hmap_count(&br->ports) > 508) { | |
621 | VLOG_WARN("bridge %s: NetFlow port mangling will conflict with " | |
622 | "another port when more than 508 ports are used", | |
623 | br->name); | |
624 | } | |
625 | } | |
72b06300 | 626 | |
6f90b8f4 BP |
627 | /* Collectors. */ |
628 | sset_init(&opts.collectors); | |
629 | sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets); | |
a4af0040 | 630 | |
6f90b8f4 BP |
631 | /* Configure. */ |
632 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
633 | VLOG_ERR("bridge %s: problem setting netflow collectors", br->name); | |
634 | } | |
635 | sset_destroy(&opts.collectors); | |
636 | } | |
72b06300 | 637 | |
6f90b8f4 BP |
638 | /* Set sFlow configuration on 'br'. */ |
639 | static void | |
640 | bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number) | |
641 | { | |
642 | const struct ovsrec_sflow *cfg = br->cfg->sflow; | |
643 | struct ovsrec_controller **controllers; | |
644 | struct ofproto_sflow_options oso; | |
645 | size_t n_controllers; | |
646 | size_t i; | |
72b06300 | 647 | |
6f90b8f4 BP |
648 | if (!cfg) { |
649 | ofproto_set_sflow(br->ofproto, NULL); | |
650 | return; | |
064af421 | 651 | } |
8052fb14 | 652 | |
6f90b8f4 | 653 | memset(&oso, 0, sizeof oso); |
52df17e7 | 654 | |
6f90b8f4 BP |
655 | sset_init(&oso.targets); |
656 | sset_add_array(&oso.targets, cfg->targets, cfg->n_targets); | |
c1c9c9c4 | 657 | |
6f90b8f4 BP |
658 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; |
659 | if (cfg->sampling) { | |
660 | oso.sampling_rate = *cfg->sampling; | |
064af421 | 661 | } |
6f90b8f4 BP |
662 | |
663 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
664 | if (cfg->polling) { | |
665 | oso.polling_interval = *cfg->polling; | |
064af421 | 666 | } |
093e47f4 | 667 | |
6f90b8f4 BP |
668 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; |
669 | if (cfg->header) { | |
670 | oso.header_len = *cfg->header; | |
671 | } | |
392730c4 | 672 | |
6f90b8f4 BP |
673 | oso.sub_id = (*sflow_bridge_number)++; |
674 | oso.agent_device = cfg->agent; | |
392730c4 | 675 | |
6f90b8f4 BP |
676 | oso.control_ip = NULL; |
677 | n_controllers = bridge_get_controllers(br, &controllers); | |
678 | for (i = 0; i < n_controllers; i++) { | |
679 | if (controllers[i]->local_ip) { | |
680 | oso.control_ip = controllers[i]->local_ip; | |
681 | break; | |
b31bcf60 EJ |
682 | } |
683 | } | |
6f90b8f4 | 684 | ofproto_set_sflow(br->ofproto, &oso); |
b31bcf60 | 685 | |
6f90b8f4 BP |
686 | sset_destroy(&oso.targets); |
687 | } | |
a7ff9bd7 | 688 | |
e8192d80 BP |
689 | static bool |
690 | bridge_has_bond_fake_iface(const struct bridge *br, const char *name) | |
691 | { | |
692 | const struct port *port = port_lookup(br, name); | |
693 | return port && port_is_bond_fake_iface(port); | |
093e47f4 BP |
694 | } |
695 | ||
e8192d80 BP |
696 | static bool |
697 | port_is_bond_fake_iface(const struct port *port) | |
093e47f4 | 698 | { |
e8192d80 BP |
699 | return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces); |
700 | } | |
093e47f4 | 701 | |
66da9bef BP |
702 | static void |
703 | add_del_bridges(const struct ovsrec_open_vswitch *cfg) | |
704 | { | |
705 | struct bridge *br, *next; | |
706 | struct shash new_br; | |
707 | size_t i; | |
708 | ||
709 | /* Collect new bridges' names and types. */ | |
710 | shash_init(&new_br); | |
711 | for (i = 0; i < cfg->n_bridges; i++) { | |
712 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
713 | if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
714 | VLOG_WARN("bridge %s specified twice", br_cfg->name); | |
715 | } | |
716 | } | |
717 | ||
718 | /* Get rid of deleted bridges or those whose types have changed. | |
719 | * Update 'cfg' of bridges that still exist. */ | |
720 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
721 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
722 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
723 | br->cfg->datapath_type))) { | |
66da9bef BP |
724 | bridge_destroy(br); |
725 | } | |
726 | } | |
727 | ||
728 | /* Add new bridges. */ | |
729 | for (i = 0; i < cfg->n_bridges; i++) { | |
730 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
731 | struct bridge *br = bridge_lookup(br_cfg->name); | |
732 | if (!br) { | |
733 | bridge_create(br_cfg); | |
734 | } | |
735 | } | |
736 | ||
737 | shash_destroy(&new_br); | |
738 | } | |
739 | ||
740 | /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct | |
741 | * iface". | |
742 | * | |
743 | * The kernel will reject any attempt to add a given port to a datapath if that | |
744 | * port already belongs to a different datapath, so we must do all port | |
745 | * deletions before any port additions. */ | |
746 | static void | |
747 | bridge_del_ofproto_ports(struct bridge *br) | |
748 | { | |
749 | struct ofproto_port_dump dump; | |
750 | struct ofproto_port ofproto_port; | |
751 | ||
752 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { | |
753 | const char *name = ofproto_port.name; | |
754 | struct iface *iface; | |
755 | const char *type; | |
756 | int error; | |
757 | ||
758 | /* Ignore the local port. We can't change it anyhow. */ | |
759 | if (!strcmp(name, br->name)) { | |
760 | continue; | |
761 | } | |
762 | ||
763 | /* Get the type that 'ofproto_port' should have (ordinarily the | |
764 | * type of its corresponding iface) or NULL if it should be | |
765 | * deleted. */ | |
766 | iface = iface_lookup(br, name); | |
767 | type = (iface ? iface->type | |
768 | : bridge_has_bond_fake_iface(br, name) ? "internal" | |
769 | : NULL); | |
770 | ||
771 | /* If it's the wrong type then delete the ofproto port. */ | |
772 | if (type | |
773 | && !strcmp(ofproto_port.type, type) | |
774 | && (!iface || !iface->netdev | |
775 | || !strcmp(netdev_get_type(iface->netdev), type))) { | |
776 | continue; | |
777 | } | |
778 | error = ofproto_port_del(br->ofproto, ofproto_port.ofp_port); | |
779 | if (error) { | |
780 | VLOG_WARN("bridge %s: failed to remove %s interface (%s)", | |
781 | br->name, name, strerror(error)); | |
782 | } | |
783 | if (iface) { | |
66da9bef BP |
784 | netdev_close(iface->netdev); |
785 | iface->netdev = NULL; | |
786 | } | |
787 | } | |
788 | } | |
789 | ||
790 | static void | |
892815f5 | 791 | iface_set_ofp_port(struct iface *iface, int ofp_port) |
66da9bef BP |
792 | { |
793 | struct bridge *br = iface->port->bridge; | |
794 | ||
892815f5 BP |
795 | assert(iface->ofp_port < 0 && ofp_port >= 0); |
796 | iface->ofp_port = ofp_port; | |
797 | hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0)); | |
2e281761 | 798 | iface_set_ofport(iface->cfg, ofp_port); |
66da9bef BP |
799 | } |
800 | ||
801 | static void | |
892815f5 | 802 | bridge_refresh_ofp_port(struct bridge *br) |
66da9bef BP |
803 | { |
804 | struct ofproto_port_dump dump; | |
805 | struct ofproto_port ofproto_port; | |
806 | struct port *port; | |
807 | ||
892815f5 | 808 | /* Clear all the "ofp_port"es. */ |
66da9bef BP |
809 | hmap_clear(&br->ifaces); |
810 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
811 | struct iface *iface; | |
812 | ||
813 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 814 | iface->ofp_port = -1; |
66da9bef BP |
815 | } |
816 | } | |
817 | ||
892815f5 | 818 | /* Obtain the correct "ofp_port"s from ofproto. */ |
66da9bef | 819 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
66da9bef BP |
820 | struct iface *iface = iface_lookup(br, ofproto_port.name); |
821 | if (iface) { | |
892815f5 | 822 | if (iface->ofp_port >= 0) { |
66da9bef BP |
823 | VLOG_WARN("bridge %s: interface %s reported twice", |
824 | br->name, ofproto_port.name); | |
892815f5 | 825 | } else if (iface_from_ofp_port(br, ofproto_port.ofp_port)) { |
66da9bef | 826 | VLOG_WARN("bridge %s: interface %"PRIu16" reported twice", |
892815f5 | 827 | br->name, ofproto_port.ofp_port); |
66da9bef | 828 | } else { |
892815f5 | 829 | iface_set_ofp_port(iface, ofproto_port.ofp_port); |
66da9bef BP |
830 | } |
831 | } | |
832 | } | |
833 | } | |
834 | ||
f79e673f | 835 | /* Add an ofproto port for any "struct iface" that doesn't have one. |
66da9bef BP |
836 | * Delete any "struct iface" for which this fails. |
837 | * Delete any "struct port" that thereby ends up with no ifaces. */ | |
838 | static void | |
839 | bridge_add_ofproto_ports(struct bridge *br) | |
840 | { | |
841 | struct port *port, *next_port; | |
66da9bef BP |
842 | |
843 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { | |
844 | struct iface *iface, *next_iface; | |
892815f5 | 845 | struct ofproto_port ofproto_port; |
66da9bef BP |
846 | |
847 | LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) { | |
848 | struct shash args; | |
849 | int error; | |
850 | ||
851 | /* Open the netdev or reconfigure it. */ | |
852 | shash_init(&args); | |
853 | shash_from_ovs_idl_map(iface->cfg->key_options, | |
854 | iface->cfg->value_options, | |
855 | iface->cfg->n_options, &args); | |
856 | if (!iface->netdev) { | |
857 | struct netdev_options options; | |
858 | options.name = iface->name; | |
859 | options.type = iface->type; | |
860 | options.args = &args; | |
861 | options.ethertype = NETDEV_ETH_TYPE_NONE; | |
862 | error = netdev_open(&options, &iface->netdev); | |
863 | } else { | |
864 | error = netdev_set_config(iface->netdev, &args); | |
865 | } | |
866 | shash_destroy(&args); | |
867 | if (error) { | |
868 | VLOG_WARN("could not %s network device %s (%s)", | |
869 | iface->netdev ? "reconfigure" : "open", | |
870 | iface->name, strerror(error)); | |
871 | } | |
872 | ||
873 | /* Add the port, if necessary. */ | |
892815f5 | 874 | if (iface->netdev && iface->ofp_port < 0) { |
66da9bef BP |
875 | uint16_t ofp_port; |
876 | int error; | |
877 | ||
878 | error = ofproto_port_add(br->ofproto, iface->netdev, | |
879 | &ofp_port); | |
880 | if (!error) { | |
892815f5 | 881 | iface_set_ofp_port(iface, ofp_port); |
66da9bef BP |
882 | } else { |
883 | netdev_close(iface->netdev); | |
884 | iface->netdev = NULL; | |
885 | } | |
886 | } | |
887 | ||
888 | /* Delete the iface if */ | |
892815f5 | 889 | if (iface->netdev && iface->ofp_port >= 0) { |
66da9bef | 890 | VLOG_DBG("bridge %s: interface %s is on port %d", |
892815f5 | 891 | br->name, iface->name, iface->ofp_port); |
66da9bef BP |
892 | } else { |
893 | if (iface->netdev) { | |
894 | VLOG_ERR("bridge %s: missing %s interface, dropping", | |
895 | br->name, iface->name); | |
896 | } else { | |
897 | /* We already reported a related error, don't bother | |
898 | * duplicating it. */ | |
899 | } | |
900 | iface_set_ofport(iface->cfg, -1); | |
901 | iface_destroy(iface); | |
902 | } | |
903 | } | |
904 | if (list_is_empty(&port->ifaces)) { | |
905 | VLOG_WARN("%s port has no interfaces, dropping", port->name); | |
906 | port_destroy(port); | |
907 | continue; | |
908 | } | |
909 | ||
910 | /* Add bond fake iface if necessary. */ | |
911 | if (port_is_bond_fake_iface(port)) { | |
912 | if (ofproto_port_query_by_name(br->ofproto, port->name, | |
913 | &ofproto_port)) { | |
914 | struct netdev_options options; | |
915 | struct netdev *netdev; | |
916 | int error; | |
917 | ||
918 | options.name = port->name; | |
919 | options.type = "internal"; | |
920 | options.args = NULL; | |
921 | options.ethertype = NETDEV_ETH_TYPE_NONE; | |
922 | error = netdev_open(&options, &netdev); | |
923 | if (!error) { | |
924 | ofproto_port_add(br->ofproto, netdev, NULL); | |
925 | netdev_close(netdev); | |
926 | } else { | |
927 | VLOG_WARN("could not open network device %s (%s)", | |
928 | port->name, strerror(error)); | |
929 | } | |
930 | } else { | |
931 | /* Already exists, nothing to do. */ | |
932 | ofproto_port_destroy(&ofproto_port); | |
933 | } | |
934 | } | |
935 | } | |
936 | } | |
937 | ||
093e47f4 | 938 | static const char * |
af6278e1 BP |
939 | get_ovsrec_key_value(const struct ovsdb_idl_row *row, |
940 | const struct ovsdb_idl_column *column, | |
941 | const char *key) | |
093e47f4 | 942 | { |
af6278e1 BP |
943 | const struct ovsdb_datum *datum; |
944 | union ovsdb_atom atom; | |
945 | unsigned int idx; | |
093e47f4 | 946 | |
af6278e1 BP |
947 | datum = ovsdb_idl_get(row, column, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING); |
948 | atom.string = (char *) key; | |
949 | idx = ovsdb_datum_find_key(datum, &atom, OVSDB_TYPE_STRING); | |
950 | return idx == UINT_MAX ? NULL : datum->values[idx].string; | |
064af421 BP |
951 | } |
952 | ||
c8143c88 BP |
953 | static const char * |
954 | bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key) | |
955 | { | |
af6278e1 BP |
956 | return get_ovsrec_key_value(&br_cfg->header_, |
957 | &ovsrec_bridge_col_other_config, key); | |
c8143c88 BP |
958 | } |
959 | ||
064af421 BP |
960 | static void |
961 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 962 | struct iface **hw_addr_iface) |
064af421 | 963 | { |
093e47f4 | 964 | const char *hwaddr; |
8052fb14 | 965 | struct port *port; |
064af421 BP |
966 | int error; |
967 | ||
07c318f4 | 968 | *hw_addr_iface = NULL; |
064af421 BP |
969 | |
970 | /* Did the user request a particular MAC? */ | |
093e47f4 BP |
971 | hwaddr = bridge_get_other_config(br->cfg, "hwaddr"); |
972 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { | |
064af421 BP |
973 | if (eth_addr_is_multicast(ea)) { |
974 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
975 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
976 | } else if (eth_addr_is_zero(ea)) { | |
977 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
978 | } else { | |
979 | return; | |
980 | } | |
981 | } | |
982 | ||
141f4942 BP |
983 | /* Otherwise choose the minimum non-local MAC address among all of the |
984 | * interfaces. */ | |
0b420b10 | 985 | memset(ea, 0xff, ETH_ADDR_LEN); |
8052fb14 | 986 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 987 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 988 | struct iface *candidate; |
58b7527e BP |
989 | struct iface *iface; |
990 | ||
991 | /* Mirror output ports don't participate. */ | |
fa066f01 | 992 | if (ofproto_is_mirror_output_bundle(br->ofproto, port)) { |
064af421 BP |
993 | continue; |
994 | } | |
58b7527e BP |
995 | |
996 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 997 | iface = NULL; |
76343538 | 998 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
999 | /* Find the interface with this Ethernet address (if any) so that |
1000 | * we can provide the correct devname to the caller. */ | |
83db7968 | 1001 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 1002 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 1003 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1004 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1005 | iface = candidate; | |
1006 | } | |
1007 | } | |
58b7527e BP |
1008 | } else { |
1009 | /* Choose the interface whose MAC address will represent the port. | |
1010 | * The Linux kernel bonding code always chooses the MAC address of | |
1011 | * the first slave added to a bond, and the Fedora networking | |
1012 | * scripts always add slaves to a bond in alphabetical order, so | |
1013 | * for compatibility we choose the interface with the name that is | |
1014 | * first in alphabetical order. */ | |
83db7968 BP |
1015 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1016 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1017 | iface = candidate; |
1018 | } | |
1019 | } | |
1020 | ||
1021 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1022 | * MAC address anyway). */ |
892815f5 | 1023 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1024 | continue; |
1025 | } | |
58b7527e BP |
1026 | |
1027 | /* Grab MAC. */ | |
07c318f4 | 1028 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1029 | if (error) { |
064af421 BP |
1030 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
1031 | VLOG_ERR_RL(&rl, "failed to obtain Ethernet address of %s: %s", | |
1032 | iface->name, strerror(error)); | |
58b7527e | 1033 | continue; |
064af421 BP |
1034 | } |
1035 | } | |
58b7527e BP |
1036 | |
1037 | /* Compare against our current choice. */ | |
1038 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1039 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1040 | !eth_addr_is_reserved(iface_ea) && |
1041 | !eth_addr_is_zero(iface_ea) && | |
130f6e5f | 1042 | eth_addr_compare_3way(iface_ea, ea) < 0) |
58b7527e | 1043 | { |
0babc06f | 1044 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1045 | *hw_addr_iface = iface; |
58b7527e | 1046 | } |
064af421 | 1047 | } |
141f4942 | 1048 | if (eth_addr_is_multicast(ea)) { |
064af421 | 1049 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); |
07c318f4 | 1050 | *hw_addr_iface = NULL; |
064af421 BP |
1051 | VLOG_WARN("bridge %s: using default bridge Ethernet " |
1052 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1053 | } else { | |
1054 | VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, | |
1055 | br->name, ETH_ADDR_ARGS(ea)); | |
1056 | } | |
1057 | } | |
1058 | ||
1059 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge | |
1060 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1061 | * an interface on 'br', then that interface must be passed in as |
1062 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1063 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1064 | static uint64_t |
1065 | bridge_pick_datapath_id(struct bridge *br, | |
1066 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1067 | struct iface *hw_addr_iface) |
064af421 BP |
1068 | { |
1069 | /* | |
1070 | * The procedure for choosing a bridge MAC address will, in the most | |
1071 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1072 | * ID. In some special cases, though, multiple bridges will end up with | |
1073 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1074 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1075 | * ID. | |
1076 | * | |
1077 | * Datapath IDs must be unique. It is also very desirable that they be | |
1078 | * stable from one run to the next, so that policy set on a datapath | |
1079 | * "sticks". | |
1080 | */ | |
093e47f4 | 1081 | const char *datapath_id; |
064af421 BP |
1082 | uint64_t dpid; |
1083 | ||
093e47f4 BP |
1084 | datapath_id = bridge_get_other_config(br->cfg, "datapath-id"); |
1085 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { | |
064af421 BP |
1086 | return dpid; |
1087 | } | |
1088 | ||
07c318f4 | 1089 | if (hw_addr_iface) { |
064af421 | 1090 | int vlan; |
b2f17b15 | 1091 | if (!netdev_get_vlan_vid(hw_addr_iface->netdev, &vlan)) { |
064af421 BP |
1092 | /* |
1093 | * A bridge whose MAC address is taken from a VLAN network device | |
1094 | * (that is, a network device created with vconfig(8) or similar | |
1095 | * tool) will have the same MAC address as a bridge on the VLAN | |
1096 | * device's physical network device. | |
1097 | * | |
1098 | * Handle this case by hashing the physical network device MAC | |
1099 | * along with the VLAN identifier. | |
1100 | */ | |
1101 | uint8_t buf[ETH_ADDR_LEN + 2]; | |
1102 | memcpy(buf, bridge_ea, ETH_ADDR_LEN); | |
1103 | buf[ETH_ADDR_LEN] = vlan >> 8; | |
1104 | buf[ETH_ADDR_LEN + 1] = vlan; | |
1105 | return dpid_from_hash(buf, sizeof buf); | |
1106 | } else { | |
1107 | /* | |
1108 | * Assume that this bridge's MAC address is unique, since it | |
1109 | * doesn't fit any of the cases we handle specially. | |
1110 | */ | |
1111 | } | |
1112 | } else { | |
1113 | /* | |
1114 | * A purely internal bridge, that is, one that has no non-virtual | |
1115 | * network devices on it at all, is more difficult because it has no | |
1116 | * natural unique identifier at all. | |
1117 | * | |
1118 | * When the host is a XenServer, we handle this case by hashing the | |
1119 | * host's UUID with the name of the bridge. Names of bridges are | |
1120 | * persistent across XenServer reboots, although they can be reused if | |
1121 | * an internal network is destroyed and then a new one is later | |
1122 | * created, so this is fairly effective. | |
1123 | * | |
1124 | * When the host is not a XenServer, we punt by using a random MAC | |
1125 | * address on each run. | |
1126 | */ | |
1127 | const char *host_uuid = xenserver_get_host_uuid(); | |
1128 | if (host_uuid) { | |
1129 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1130 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1131 | free(combined); | |
1132 | return dpid; | |
1133 | } | |
1134 | } | |
1135 | ||
1136 | return eth_addr_to_uint64(bridge_ea); | |
1137 | } | |
1138 | ||
1139 | static uint64_t | |
1140 | dpid_from_hash(const void *data, size_t n) | |
1141 | { | |
5eccf359 | 1142 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1143 | |
1144 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1145 | sha1_bytes(data, n, hash); |
064af421 BP |
1146 | eth_addr_mark_random(hash); |
1147 | return eth_addr_to_uint64(hash); | |
1148 | } | |
1149 | ||
ea83a2fc | 1150 | static void |
ea763e0e | 1151 | iface_refresh_status(struct iface *iface) |
ea83a2fc | 1152 | { |
ea763e0e EJ |
1153 | struct shash sh; |
1154 | ||
e210037e AE |
1155 | enum netdev_flags flags; |
1156 | uint32_t current; | |
1157 | int64_t bps; | |
1158 | int mtu; | |
1159 | int64_t mtu_64; | |
1160 | int error; | |
1161 | ||
cfea354b BP |
1162 | if (iface_is_synthetic(iface)) { |
1163 | return; | |
1164 | } | |
1165 | ||
ea763e0e EJ |
1166 | shash_init(&sh); |
1167 | ||
1168 | if (!netdev_get_status(iface->netdev, &sh)) { | |
1169 | size_t n; | |
1170 | char **keys, **values; | |
ea83a2fc | 1171 | |
ea763e0e EJ |
1172 | shash_to_ovs_idl_map(&sh, &keys, &values, &n); |
1173 | ovsrec_interface_set_status(iface->cfg, keys, values, n); | |
1174 | ||
1175 | free(keys); | |
1176 | free(values); | |
1177 | } else { | |
1178 | ovsrec_interface_set_status(iface->cfg, NULL, NULL, 0); | |
1179 | } | |
1180 | ||
1181 | shash_destroy_free_data(&sh); | |
e210037e AE |
1182 | |
1183 | error = netdev_get_flags(iface->netdev, &flags); | |
1184 | if (!error) { | |
1185 | ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down"); | |
1186 | } | |
1187 | else { | |
1188 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
1189 | } | |
1190 | ||
1191 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); | |
1192 | if (!error) { | |
1193 | ovsrec_interface_set_duplex(iface->cfg, | |
1194 | netdev_features_is_full_duplex(current) | |
1195 | ? "full" : "half"); | |
1196 | /* warning: uint64_t -> int64_t conversion */ | |
1197 | bps = netdev_features_to_bps(current); | |
1198 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); | |
1199 | } | |
1200 | else { | |
1201 | ovsrec_interface_set_duplex(iface->cfg, NULL); | |
1202 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1203 | } | |
1204 | ||
e210037e | 1205 | ovsrec_interface_set_link_state(iface->cfg, |
0b8024eb | 1206 | iface_get_carrier(iface) ? "up" : "down"); |
e210037e AE |
1207 | |
1208 | error = netdev_get_mtu(iface->netdev, &mtu); | |
f915f1a8 | 1209 | if (!error && mtu != INT_MAX) { |
e210037e AE |
1210 | mtu_64 = mtu; |
1211 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
1212 | } | |
1213 | else { | |
1214 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); | |
1215 | } | |
ea83a2fc EJ |
1216 | } |
1217 | ||
6586adf5 EJ |
1218 | /* Writes 'iface''s CFM statistics to the database. Returns true if anything |
1219 | * changed, false otherwise. */ | |
1220 | static bool | |
b31bcf60 EJ |
1221 | iface_refresh_cfm_stats(struct iface *iface) |
1222 | { | |
b31bcf60 | 1223 | const struct ovsrec_monitor *mon; |
e7934396 | 1224 | const struct cfm *cfm; |
6586adf5 | 1225 | bool changed = false; |
e7934396 | 1226 | size_t i; |
b31bcf60 EJ |
1227 | |
1228 | mon = iface->cfg->monitor; | |
892815f5 | 1229 | cfm = ofproto_port_get_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
1230 | |
1231 | if (!cfm || !mon) { | |
6586adf5 | 1232 | return false; |
b31bcf60 EJ |
1233 | } |
1234 | ||
1235 | for (i = 0; i < mon->n_remote_mps; i++) { | |
1236 | const struct ovsrec_maintenance_point *mp; | |
1237 | const struct remote_mp *rmp; | |
1238 | ||
1239 | mp = mon->remote_mps[i]; | |
1240 | rmp = cfm_get_remote_mp(cfm, mp->mpid); | |
1241 | ||
6586adf5 EJ |
1242 | if (mp->n_fault != 1 || mp->fault[0] != rmp->fault) { |
1243 | ovsrec_maintenance_point_set_fault(mp, &rmp->fault, 1); | |
1244 | changed = true; | |
1245 | } | |
b31bcf60 EJ |
1246 | } |
1247 | ||
6586adf5 EJ |
1248 | if (mon->n_fault != 1 || mon->fault[0] != cfm->fault) { |
1249 | ovsrec_monitor_set_fault(mon, &cfm->fault, 1); | |
1250 | changed = true; | |
1251 | } | |
1252 | ||
1253 | return changed; | |
b31bcf60 EJ |
1254 | } |
1255 | ||
a8172aa3 EJ |
1256 | static bool |
1257 | iface_refresh_lacp_stats(struct iface *iface) | |
1258 | { | |
fa066f01 | 1259 | struct ofproto *ofproto = iface->port->bridge->ofproto; |
fa066f01 | 1260 | int old = iface->cfg->lacp_current ? *iface->cfg->lacp_current : -1; |
892815f5 | 1261 | int new = ofproto_port_is_lacp_current(ofproto, iface->ofp_port); |
a8172aa3 | 1262 | |
fa066f01 BP |
1263 | if (old != new) { |
1264 | bool current = new; | |
1265 | ovsrec_interface_set_lacp_current(iface->cfg, ¤t, new >= 0); | |
a8172aa3 | 1266 | } |
fa066f01 | 1267 | return old != new; |
a8172aa3 EJ |
1268 | } |
1269 | ||
018f1525 BP |
1270 | static void |
1271 | iface_refresh_stats(struct iface *iface) | |
1272 | { | |
1273 | struct iface_stat { | |
1274 | char *name; | |
1275 | int offset; | |
1276 | }; | |
1277 | static const struct iface_stat iface_stats[] = { | |
1278 | { "rx_packets", offsetof(struct netdev_stats, rx_packets) }, | |
1279 | { "tx_packets", offsetof(struct netdev_stats, tx_packets) }, | |
1280 | { "rx_bytes", offsetof(struct netdev_stats, rx_bytes) }, | |
1281 | { "tx_bytes", offsetof(struct netdev_stats, tx_bytes) }, | |
1282 | { "rx_dropped", offsetof(struct netdev_stats, rx_dropped) }, | |
1283 | { "tx_dropped", offsetof(struct netdev_stats, tx_dropped) }, | |
1284 | { "rx_errors", offsetof(struct netdev_stats, rx_errors) }, | |
1285 | { "tx_errors", offsetof(struct netdev_stats, tx_errors) }, | |
1286 | { "rx_frame_err", offsetof(struct netdev_stats, rx_frame_errors) }, | |
1287 | { "rx_over_err", offsetof(struct netdev_stats, rx_over_errors) }, | |
1288 | { "rx_crc_err", offsetof(struct netdev_stats, rx_crc_errors) }, | |
1289 | { "collisions", offsetof(struct netdev_stats, collisions) }, | |
1290 | }; | |
1291 | enum { N_STATS = ARRAY_SIZE(iface_stats) }; | |
1292 | const struct iface_stat *s; | |
1293 | ||
1294 | char *keys[N_STATS]; | |
1295 | int64_t values[N_STATS]; | |
1296 | int n; | |
1297 | ||
1298 | struct netdev_stats stats; | |
1299 | ||
cfea354b BP |
1300 | if (iface_is_synthetic(iface)) { |
1301 | return; | |
1302 | } | |
1303 | ||
018f1525 BP |
1304 | /* Intentionally ignore return value, since errors will set 'stats' to |
1305 | * all-1s, and we will deal with that correctly below. */ | |
1306 | netdev_get_stats(iface->netdev, &stats); | |
1307 | ||
1308 | n = 0; | |
1309 | for (s = iface_stats; s < &iface_stats[N_STATS]; s++) { | |
1310 | uint64_t value = *(uint64_t *) (((char *) &stats) + s->offset); | |
1311 | if (value != UINT64_MAX) { | |
1312 | keys[n] = s->name; | |
1313 | values[n] = value; | |
1314 | n++; | |
1315 | } | |
1316 | } | |
1317 | ||
1318 | ovsrec_interface_set_statistics(iface->cfg, keys, values, n); | |
1319 | } | |
1320 | ||
ce887677 BP |
1321 | static void |
1322 | refresh_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1323 | { | |
1324 | struct ovsdb_datum datum; | |
1325 | struct shash stats; | |
1326 | ||
1327 | shash_init(&stats); | |
1328 | get_system_stats(&stats); | |
1329 | ||
1330 | ovsdb_datum_from_shash(&datum, &stats); | |
1331 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1332 | &datum); | |
1333 | } | |
1334 | ||
bffc0589 AE |
1335 | static inline const char * |
1336 | nx_role_to_str(enum nx_role role) | |
1337 | { | |
1338 | switch (role) { | |
1339 | case NX_ROLE_OTHER: | |
1340 | return "other"; | |
1341 | case NX_ROLE_MASTER: | |
1342 | return "master"; | |
1343 | case NX_ROLE_SLAVE: | |
1344 | return "slave"; | |
1345 | default: | |
1346 | return "*** INVALID ROLE ***"; | |
1347 | } | |
1348 | } | |
1349 | ||
1350 | static void | |
1351 | bridge_refresh_controller_status(const struct bridge *br) | |
1352 | { | |
1353 | struct shash info; | |
1354 | const struct ovsrec_controller *cfg; | |
1355 | ||
1356 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1357 | ||
1358 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { | |
eb9b8307 AE |
1359 | struct ofproto_controller_info *cinfo = |
1360 | shash_find_data(&info, cfg->target); | |
1361 | ||
1362 | if (cinfo) { | |
1363 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
1364 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
1365 | ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys, | |
1366 | (char **) cinfo->pairs.values, | |
1367 | cinfo->pairs.n); | |
1368 | } else { | |
1369 | ovsrec_controller_set_is_connected(cfg, false); | |
1370 | ovsrec_controller_set_role(cfg, NULL); | |
1371 | ovsrec_controller_set_status(cfg, NULL, NULL, 0); | |
1372 | } | |
bffc0589 AE |
1373 | } |
1374 | ||
1375 | ofproto_free_ofproto_controller_info(&info); | |
1376 | } | |
1377 | ||
c5187f17 | 1378 | void |
064af421 BP |
1379 | bridge_run(void) |
1380 | { | |
d54ff998 BP |
1381 | const struct ovsrec_open_vswitch *cfg; |
1382 | ||
c5187f17 | 1383 | bool datapath_destroyed; |
d54ff998 | 1384 | bool database_changed; |
c5187f17 | 1385 | struct bridge *br; |
064af421 | 1386 | |
c5187f17 BP |
1387 | /* Let each bridge do the work that it needs to do. */ |
1388 | datapath_destroyed = false; | |
764072fd | 1389 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa066f01 | 1390 | int error = ofproto_run(br->ofproto); |
064af421 BP |
1391 | if (error) { |
1392 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
1393 | VLOG_ERR_RL(&rl, "bridge %s: datapath was destroyed externally, " | |
1394 | "forcing reconfiguration", br->name); | |
c5187f17 BP |
1395 | datapath_destroyed = true; |
1396 | } | |
1397 | } | |
1398 | ||
1399 | /* (Re)configure if necessary. */ | |
d54ff998 BP |
1400 | database_changed = ovsdb_idl_run(idl); |
1401 | cfg = ovsrec_open_vswitch_first(idl); | |
bf8f2167 | 1402 | |
d6da96ce BP |
1403 | /* Re-configure SSL. We do this on every trip through the main loop, |
1404 | * instead of just when the database changes, because the contents of the | |
1405 | * key and certificate files can change without the database changing. | |
1406 | * | |
1407 | * We do this before bridge_reconfigure() because that function might | |
1408 | * initiate SSL connections and thus requires SSL to be configured. */ | |
1409 | if (cfg && cfg->ssl) { | |
1410 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
1411 | ||
1412 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
1413 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
1414 | } | |
bf8f2167 | 1415 | |
d54ff998 | 1416 | if (database_changed || datapath_destroyed) { |
c5187f17 BP |
1417 | if (cfg) { |
1418 | struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl); | |
1419 | ||
c5187f17 BP |
1420 | bridge_reconfigure(cfg); |
1421 | ||
1422 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
1423 | ovsdb_idl_txn_commit(txn); | |
1424 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
1e0b752d BP |
1425 | } else { |
1426 | /* We still need to reconfigure to avoid dangling pointers to | |
1427 | * now-destroyed ovsrec structures inside bridge data. */ | |
1428 | static const struct ovsrec_open_vswitch null_cfg; | |
1429 | ||
1430 | bridge_reconfigure(&null_cfg); | |
064af421 BP |
1431 | } |
1432 | } | |
018f1525 | 1433 | |
cd0cd65f BP |
1434 | /* Refresh system and interface stats if necessary. */ |
1435 | if (time_msec() >= stats_timer) { | |
ce887677 BP |
1436 | if (cfg) { |
1437 | struct ovsdb_idl_txn *txn; | |
018f1525 | 1438 | |
ce887677 | 1439 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 1440 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 1441 | struct port *port; |
018f1525 | 1442 | |
8052fb14 | 1443 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 1444 | struct iface *iface; |
018f1525 | 1445 | |
83db7968 | 1446 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 | 1447 | iface_refresh_stats(iface); |
ea763e0e | 1448 | iface_refresh_status(iface); |
ce887677 | 1449 | } |
018f1525 | 1450 | } |
bffc0589 | 1451 | bridge_refresh_controller_status(br); |
018f1525 | 1452 | } |
ce887677 BP |
1453 | refresh_system_stats(cfg); |
1454 | ovsdb_idl_txn_commit(txn); | |
1455 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 1456 | } |
018f1525 | 1457 | |
cd0cd65f | 1458 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 1459 | } |
6586adf5 | 1460 | |
815cd583 | 1461 | if (time_msec() >= db_limiter) { |
6586adf5 EJ |
1462 | struct ovsdb_idl_txn *txn; |
1463 | bool changed = false; | |
1464 | ||
1465 | txn = ovsdb_idl_txn_create(idl); | |
764072fd | 1466 | HMAP_FOR_EACH (br, node, &all_bridges) { |
6586adf5 EJ |
1467 | struct port *port; |
1468 | ||
1469 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1470 | struct iface *iface; | |
1471 | ||
1472 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
1473 | changed = iface_refresh_cfm_stats(iface) || changed; | |
a8172aa3 | 1474 | changed = iface_refresh_lacp_stats(iface) || changed; |
6586adf5 EJ |
1475 | } |
1476 | } | |
1477 | } | |
1478 | ||
1479 | if (changed) { | |
815cd583 | 1480 | db_limiter = time_msec() + DB_LIMIT_INTERVAL; |
6586adf5 EJ |
1481 | } |
1482 | ||
1483 | ovsdb_idl_txn_commit(txn); | |
1484 | ovsdb_idl_txn_destroy(txn); | |
1485 | } | |
064af421 BP |
1486 | } |
1487 | ||
1488 | void | |
1489 | bridge_wait(void) | |
1490 | { | |
1491 | struct bridge *br; | |
1492 | ||
764072fd | 1493 | HMAP_FOR_EACH (br, node, &all_bridges) { |
064af421 | 1494 | ofproto_wait(br->ofproto); |
064af421 | 1495 | } |
c5187f17 | 1496 | ovsdb_idl_wait(idl); |
cd0cd65f | 1497 | poll_timer_wait_until(stats_timer); |
6586adf5 | 1498 | |
815cd583 EJ |
1499 | if (db_limiter > time_msec()) { |
1500 | poll_timer_wait_until(db_limiter); | |
6586adf5 | 1501 | } |
064af421 | 1502 | } |
8c4c1387 | 1503 | \f |
20c8e971 EJ |
1504 | /* CFM unixctl user interface functions. */ |
1505 | static void | |
1506 | cfm_unixctl_show(struct unixctl_conn *conn, | |
1507 | const char *args, void *aux OVS_UNUSED) | |
1508 | { | |
1509 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1510 | struct iface *iface; | |
1511 | const struct cfm *cfm; | |
1512 | ||
1513 | iface = iface_find(args); | |
1514 | if (!iface) { | |
1515 | unixctl_command_reply(conn, 501, "no such interface"); | |
1516 | return; | |
1517 | } | |
1518 | ||
892815f5 | 1519 | cfm = ofproto_port_get_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
20c8e971 EJ |
1520 | |
1521 | if (!cfm) { | |
1522 | unixctl_command_reply(conn, 501, "CFM not enabled"); | |
1523 | return; | |
1524 | } | |
1525 | ||
1526 | cfm_dump_ds(cfm, &ds); | |
1527 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1528 | ds_destroy(&ds); | |
1529 | } | |
1530 | \f | |
e8fe3026 EJ |
1531 | /* QoS unixctl user interface functions. */ |
1532 | ||
1533 | struct qos_unixctl_show_cbdata { | |
1534 | struct ds *ds; | |
1535 | struct iface *iface; | |
1536 | }; | |
1537 | ||
1538 | static void | |
1539 | qos_unixctl_show_cb(unsigned int queue_id, | |
1540 | const struct shash *details, | |
1541 | void *aux) | |
1542 | { | |
1543 | struct qos_unixctl_show_cbdata *data = aux; | |
1544 | struct ds *ds = data->ds; | |
1545 | struct iface *iface = data->iface; | |
1546 | struct netdev_queue_stats stats; | |
1547 | struct shash_node *node; | |
1548 | int error; | |
1549 | ||
1550 | ds_put_cstr(ds, "\n"); | |
1551 | if (queue_id) { | |
1552 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
1553 | } else { | |
1554 | ds_put_cstr(ds, "Default:\n"); | |
1555 | } | |
1556 | ||
1557 | SHASH_FOR_EACH (node, details) { | |
1558 | ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data); | |
1559 | } | |
1560 | ||
1561 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
1562 | if (!error) { | |
1563 | if (stats.tx_packets != UINT64_MAX) { | |
1564 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
1565 | } | |
1566 | ||
1567 | if (stats.tx_bytes != UINT64_MAX) { | |
1568 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
1569 | } | |
1570 | ||
1571 | if (stats.tx_errors != UINT64_MAX) { | |
1572 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
1573 | } | |
1574 | } else { | |
1575 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
1576 | queue_id, strerror(error)); | |
1577 | } | |
1578 | } | |
1579 | ||
1580 | static void | |
1581 | qos_unixctl_show(struct unixctl_conn *conn, | |
1582 | const char *args, void *aux OVS_UNUSED) | |
1583 | { | |
1584 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1585 | struct shash sh = SHASH_INITIALIZER(&sh); | |
1586 | struct iface *iface; | |
1587 | const char *type; | |
1588 | struct shash_node *node; | |
1589 | struct qos_unixctl_show_cbdata data; | |
1590 | int error; | |
1591 | ||
1592 | iface = iface_find(args); | |
1593 | if (!iface) { | |
1594 | unixctl_command_reply(conn, 501, "no such interface"); | |
1595 | return; | |
1596 | } | |
1597 | ||
1598 | netdev_get_qos(iface->netdev, &type, &sh); | |
1599 | ||
1600 | if (*type != '\0') { | |
1601 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
1602 | ||
1603 | SHASH_FOR_EACH (node, &sh) { | |
1604 | ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data); | |
1605 | } | |
1606 | ||
1607 | data.ds = &ds; | |
1608 | data.iface = iface; | |
1609 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
1610 | ||
1611 | if (error) { | |
1612 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
1613 | } | |
1614 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1615 | } else { | |
1616 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
1617 | unixctl_command_reply(conn, 501, ds_cstr(&ds)); | |
1618 | } | |
1619 | ||
1620 | shash_destroy_free_data(&sh); | |
1621 | ds_destroy(&ds); | |
1622 | } | |
1623 | \f | |
064af421 | 1624 | /* Bridge reconfiguration functions. */ |
66da9bef | 1625 | static void |
1a6f1e2a | 1626 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
1627 | { |
1628 | struct bridge *br; | |
064af421 | 1629 | |
1a6f1e2a | 1630 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 1631 | br = xzalloc(sizeof *br); |
064af421 | 1632 | |
1a6f1e2a | 1633 | br->name = xstrdup(br_cfg->name); |
f79e673f | 1634 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 1635 | br->cfg = br_cfg; |
e3f55cb8 BP |
1636 | |
1637 | /* Derive the default Ethernet address from the bridge's UUID. This should | |
1638 | * be unique and it will be stable between ovs-vswitchd runs. */ | |
1639 | memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN); | |
1640 | eth_addr_mark_random(br->default_ea); | |
064af421 | 1641 | |
8052fb14 | 1642 | hmap_init(&br->ports); |
d9a8717a | 1643 | hmap_init(&br->ifaces); |
ebea37cc | 1644 | hmap_init(&br->iface_by_name); |
fa066f01 | 1645 | hmap_init(&br->mirrors); |
4a1ee6ae | 1646 | |
764072fd | 1647 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
1648 | } |
1649 | ||
1650 | static void | |
1651 | bridge_destroy(struct bridge *br) | |
1652 | { | |
1653 | if (br) { | |
fa066f01 BP |
1654 | struct mirror *mirror, *next_mirror; |
1655 | struct port *port, *next_port; | |
064af421 | 1656 | |
fa066f01 | 1657 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 1658 | port_destroy(port); |
064af421 | 1659 | } |
fa066f01 BP |
1660 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
1661 | mirror_destroy(mirror); | |
f76e2dfc | 1662 | } |
764072fd | 1663 | hmap_remove(&all_bridges, &br->node); |
6d6ab93e | 1664 | ofproto_destroy(br->ofproto); |
d9a8717a | 1665 | hmap_destroy(&br->ifaces); |
8052fb14 | 1666 | hmap_destroy(&br->ports); |
ebea37cc | 1667 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 1668 | hmap_destroy(&br->mirrors); |
064af421 | 1669 | free(br->name); |
66da9bef | 1670 | free(br->type); |
064af421 BP |
1671 | free(br); |
1672 | } | |
1673 | } | |
1674 | ||
1675 | static struct bridge * | |
1676 | bridge_lookup(const char *name) | |
1677 | { | |
1678 | struct bridge *br; | |
1679 | ||
764072fd | 1680 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
1681 | if (!strcmp(br->name, name)) { |
1682 | return br; | |
1683 | } | |
1684 | } | |
1685 | return NULL; | |
1686 | } | |
1687 | ||
4f2cad2c JP |
1688 | /* Handle requests for a listing of all flows known by the OpenFlow |
1689 | * stack, including those normally hidden. */ | |
1690 | static void | |
8ca79daa | 1691 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, |
c69ee87c | 1692 | const char *args, void *aux OVS_UNUSED) |
4f2cad2c JP |
1693 | { |
1694 | struct bridge *br; | |
1695 | struct ds results; | |
d295e8e9 | 1696 | |
4f2cad2c JP |
1697 | br = bridge_lookup(args); |
1698 | if (!br) { | |
1699 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1700 | return; | |
1701 | } | |
1702 | ||
1703 | ds_init(&results); | |
1704 | ofproto_get_all_flows(br->ofproto, &results); | |
1705 | ||
1706 | unixctl_command_reply(conn, 200, ds_cstr(&results)); | |
1707 | ds_destroy(&results); | |
1708 | } | |
1709 | ||
fa05809b BP |
1710 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
1711 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
1712 | * drop their controller connections and reconnect. */ | |
1713 | static void | |
1714 | bridge_unixctl_reconnect(struct unixctl_conn *conn, | |
1715 | const char *args, void *aux OVS_UNUSED) | |
1716 | { | |
1717 | struct bridge *br; | |
1718 | if (args[0] != '\0') { | |
1719 | br = bridge_lookup(args); | |
1720 | if (!br) { | |
1721 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1722 | return; | |
1723 | } | |
1724 | ofproto_reconnect_controllers(br->ofproto); | |
1725 | } else { | |
764072fd | 1726 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
1727 | ofproto_reconnect_controllers(br->ofproto); |
1728 | } | |
1729 | } | |
1730 | unixctl_command_reply(conn, 200, NULL); | |
1731 | } | |
1732 | ||
76ce9432 | 1733 | static size_t |
1a048029 | 1734 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 1735 | struct ovsrec_controller ***controllersp) |
064af421 | 1736 | { |
76ce9432 BP |
1737 | struct ovsrec_controller **controllers; |
1738 | size_t n_controllers; | |
064af421 | 1739 | |
1a048029 JP |
1740 | controllers = br->cfg->controller; |
1741 | n_controllers = br->cfg->n_controller; | |
76343538 | 1742 | |
76ce9432 BP |
1743 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
1744 | controllers = NULL; | |
1745 | n_controllers = 0; | |
064af421 | 1746 | } |
76343538 | 1747 | |
76ce9432 BP |
1748 | if (controllersp) { |
1749 | *controllersp = controllers; | |
1750 | } | |
1751 | return n_controllers; | |
064af421 BP |
1752 | } |
1753 | ||
66da9bef BP |
1754 | /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match |
1755 | * those configured in 'br->cfg'. */ | |
064af421 | 1756 | static void |
66da9bef | 1757 | bridge_add_del_ports(struct bridge *br) |
064af421 | 1758 | { |
8052fb14 | 1759 | struct port *port, *next; |
76343538 | 1760 | struct shash_node *node; |
8052fb14 | 1761 | struct shash new_ports; |
6ae39834 | 1762 | size_t i; |
064af421 | 1763 | |
064af421 | 1764 | /* Collect new ports. */ |
76343538 BP |
1765 | shash_init(&new_ports); |
1766 | for (i = 0; i < br->cfg->n_ports; i++) { | |
1767 | const char *name = br->cfg->ports[i]->name; | |
1768 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
1769 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
1770 | br->name, name); | |
1771 | } | |
1772 | } | |
b5827b24 BP |
1773 | if (bridge_get_controllers(br, NULL) |
1774 | && !shash_find(&new_ports, br->name)) { | |
cfea354b BP |
1775 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
1776 | br->name, br->name); | |
72865317 | 1777 | |
cfea354b BP |
1778 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
1779 | br->synth_local_port.n_interfaces = 1; | |
1780 | br->synth_local_port.name = br->name; | |
1781 | ||
1782 | br->synth_local_iface.name = br->name; | |
66da9bef | 1783 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
1784 | |
1785 | br->synth_local_ifacep = &br->synth_local_iface; | |
1786 | ||
1787 | shash_add(&new_ports, br->name, &br->synth_local_port); | |
064af421 | 1788 | } |
064af421 | 1789 | |
4a1ee6ae | 1790 | /* Get rid of deleted ports. |
66da9bef BP |
1791 | * Get rid of deleted interfaces on ports that still exist. |
1792 | * Update 'cfg' of ports that still exist. */ | |
8052fb14 | 1793 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
66da9bef BP |
1794 | port->cfg = shash_find_data(&new_ports, port->name); |
1795 | if (!port->cfg) { | |
4a1ee6ae BP |
1796 | port_destroy(port); |
1797 | } else { | |
66da9bef | 1798 | port_del_ifaces(port); |
064af421 BP |
1799 | } |
1800 | } | |
4a1ee6ae BP |
1801 | |
1802 | /* Create new ports. | |
66da9bef | 1803 | * Add new interfaces to existing ports. */ |
76343538 | 1804 | SHASH_FOR_EACH (node, &new_ports) { |
8052fb14 | 1805 | struct port *port = port_lookup(br, node->name); |
76343538 | 1806 | if (!port) { |
66da9bef BP |
1807 | struct ovsrec_port *cfg = node->data; |
1808 | port = port_create(br, cfg); | |
064af421 | 1809 | } |
66da9bef | 1810 | port_add_ifaces(port); |
402f2858 | 1811 | if (list_is_empty(&port->ifaces)) { |
ceb4559f JG |
1812 | VLOG_WARN("bridge %s: port %s has no interfaces, dropping", |
1813 | br->name, port->name); | |
1814 | port_destroy(port); | |
1815 | } | |
064af421 | 1816 | } |
76343538 | 1817 | shash_destroy(&new_ports); |
064af421 BP |
1818 | } |
1819 | ||
7d674866 BP |
1820 | /* Initializes 'oc' appropriately as a management service controller for |
1821 | * 'br'. | |
1822 | * | |
1823 | * The caller must free oc->target when it is no longer needed. */ | |
1824 | static void | |
1825 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
1826 | struct ofproto_controller *oc) | |
1827 | { | |
b43c6fe2 | 1828 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
1829 | oc->max_backoff = 0; |
1830 | oc->probe_interval = 60; | |
1831 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
1832 | oc->rate_limit = 0; |
1833 | oc->burst_limit = 0; | |
1834 | } | |
1835 | ||
1836 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
1837 | static void | |
1838 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
1839 | struct ofproto_controller *oc) | |
1840 | { | |
1841 | oc->target = c->target; | |
1842 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
1843 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
1844 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
1845 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
1846 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
1847 | oc->burst_limit = (c->controller_burst_limit | |
1848 | ? *c->controller_burst_limit : 0); | |
1849 | } | |
1850 | ||
1851 | /* Configures the IP stack for 'br''s local interface properly according to the | |
1852 | * configuration in 'c'. */ | |
1853 | static void | |
1854 | bridge_configure_local_iface_netdev(struct bridge *br, | |
1855 | struct ovsrec_controller *c) | |
1856 | { | |
1857 | struct netdev *netdev; | |
1858 | struct in_addr mask, gateway; | |
1859 | ||
1860 | struct iface *local_iface; | |
1861 | struct in_addr ip; | |
1862 | ||
7d674866 | 1863 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 1864 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
7d674866 BP |
1865 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { |
1866 | return; | |
1867 | } | |
1868 | ||
1869 | /* Bring up the local interface. */ | |
1870 | netdev = local_iface->netdev; | |
1871 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
1872 | ||
1873 | /* Configure the IP address and netmask. */ | |
1874 | if (!c->local_netmask | |
1875 | || !inet_aton(c->local_netmask, &mask) | |
1876 | || !mask.s_addr) { | |
1877 | mask.s_addr = guess_netmask(ip.s_addr); | |
1878 | } | |
1879 | if (!netdev_set_in4(netdev, ip, mask)) { | |
1880 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
1881 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
1882 | } | |
1883 | ||
1884 | /* Configure the default gateway. */ | |
1885 | if (c->local_gateway | |
1886 | && inet_aton(c->local_gateway, &gateway) | |
1887 | && gateway.s_addr) { | |
1888 | if (!netdev_add_router(netdev, gateway)) { | |
1889 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
1890 | br->name, IP_ARGS(&gateway.s_addr)); | |
1891 | } | |
1892 | } | |
1893 | } | |
1894 | ||
064af421 | 1895 | static void |
fa066f01 BP |
1896 | bridge_configure_remotes(struct bridge *br, |
1897 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 1898 | { |
b1da6250 BP |
1899 | const char *disable_ib_str, *queue_id_str; |
1900 | bool disable_in_band = false; | |
1901 | int queue_id; | |
1902 | ||
76ce9432 BP |
1903 | struct ovsrec_controller **controllers; |
1904 | size_t n_controllers; | |
7d674866 | 1905 | |
66da9bef | 1906 | enum ofproto_fail_mode fail_mode; |
7d674866 BP |
1907 | |
1908 | struct ofproto_controller *ocs; | |
1909 | size_t n_ocs; | |
1910 | size_t i; | |
064af421 | 1911 | |
8731b2b6 JP |
1912 | /* Check if we should disable in-band control on this bridge. */ |
1913 | disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band"); | |
1914 | if (disable_ib_str && !strcmp(disable_ib_str, "true")) { | |
1915 | disable_in_band = true; | |
1916 | } | |
1917 | ||
b1da6250 BP |
1918 | /* Set OpenFlow queue ID for in-band control. */ |
1919 | queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue"); | |
1920 | queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1; | |
1921 | ofproto_set_in_band_queue(br->ofproto, queue_id); | |
1922 | ||
8731b2b6 JP |
1923 | if (disable_in_band) { |
1924 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
1925 | } else { | |
1926 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
1927 | } | |
cd11000b | 1928 | |
1a048029 | 1929 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 1930 | |
7d674866 BP |
1931 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
1932 | n_ocs = 0; | |
064af421 | 1933 | |
7d674866 BP |
1934 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
1935 | for (i = 0; i < n_controllers; i++) { | |
1936 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 1937 | |
7d674866 BP |
1938 | if (!strncmp(c->target, "punix:", 6) |
1939 | || !strncmp(c->target, "unix:", 5)) { | |
1940 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4d6fb5eb | 1941 | |
7d674866 BP |
1942 | /* Prevent remote ovsdb-server users from accessing arbitrary Unix |
1943 | * domain sockets and overwriting arbitrary local files. */ | |
be6255a8 BP |
1944 | VLOG_ERR_RL(&rl, "bridge %s: not adding Unix domain socket " |
1945 | "controller \"%s\" due to possibility for remote " | |
1946 | "exploit", br->name, c->target); | |
7d674866 | 1947 | continue; |
4d6fb5eb EJ |
1948 | } |
1949 | ||
7d674866 | 1950 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
1951 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
1952 | if (disable_in_band) { | |
1953 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
f620b43a | 1954 | } |
8731b2b6 | 1955 | n_ocs++; |
be02e7c3 | 1956 | } |
be02e7c3 | 1957 | |
7d674866 BP |
1958 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
1959 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
1960 | free(ocs); | |
66da9bef BP |
1961 | |
1962 | /* Set the fail-mode. */ | |
1963 | fail_mode = !br->cfg->fail_mode | |
1964 | || !strcmp(br->cfg->fail_mode, "standalone") | |
1965 | ? OFPROTO_FAIL_STANDALONE | |
1966 | : OFPROTO_FAIL_SECURE; | |
1967 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
1968 | ||
1969 | /* Configure OpenFlow controller connection snooping. */ | |
1970 | if (!ofproto_has_snoops(br->ofproto)) { | |
1971 | struct sset snoops; | |
5827ce14 | 1972 | |
66da9bef BP |
1973 | sset_init(&snoops); |
1974 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
1975 | ovs_rundir(), br->name)); | |
1976 | ofproto_set_snoops(br->ofproto, &snoops); | |
1977 | sset_destroy(&snoops); | |
064af421 BP |
1978 | } |
1979 | } | |
064af421 | 1980 | \f |
fa066f01 | 1981 | /* Port functions. */ |
064af421 | 1982 | |
f620b43a | 1983 | static struct port * |
fa066f01 | 1984 | port_create(struct bridge *br, const struct ovsrec_port *cfg) |
064af421 | 1985 | { |
f620b43a BP |
1986 | struct port *port; |
1987 | ||
1988 | port = xzalloc(sizeof *port); | |
1989 | port->bridge = br; | |
fa066f01 BP |
1990 | port->name = xstrdup(cfg->name); |
1991 | port->cfg = cfg; | |
f620b43a BP |
1992 | list_init(&port->ifaces); |
1993 | ||
1994 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); | |
1995 | ||
1996 | VLOG_INFO("created port %s on bridge %s", port->name, br->name); | |
f620b43a BP |
1997 | |
1998 | return port; | |
064af421 BP |
1999 | } |
2000 | ||
f620b43a BP |
2001 | static const char * |
2002 | get_port_other_config(const struct ovsrec_port *port, const char *key, | |
2003 | const char *default_value) | |
064af421 | 2004 | { |
f620b43a BP |
2005 | const char *value; |
2006 | ||
2007 | value = get_ovsrec_key_value(&port->header_, &ovsrec_port_col_other_config, | |
2008 | key); | |
2009 | return value ? value : default_value; | |
064af421 BP |
2010 | } |
2011 | ||
f620b43a BP |
2012 | static const char * |
2013 | get_interface_other_config(const struct ovsrec_interface *iface, | |
2014 | const char *key, const char *default_value) | |
064af421 | 2015 | { |
f620b43a BP |
2016 | const char *value; |
2017 | ||
2018 | value = get_ovsrec_key_value(&iface->header_, | |
2019 | &ovsrec_interface_col_other_config, key); | |
2020 | return value ? value : default_value; | |
064af421 BP |
2021 | } |
2022 | ||
fa066f01 | 2023 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
064af421 | 2024 | static void |
fa066f01 | 2025 | port_del_ifaces(struct port *port) |
064af421 | 2026 | { |
f620b43a BP |
2027 | struct iface *iface, *next; |
2028 | struct sset new_ifaces; | |
2029 | size_t i; | |
064af421 | 2030 | |
f620b43a BP |
2031 | /* Collect list of new interfaces. */ |
2032 | sset_init(&new_ifaces); | |
fa066f01 BP |
2033 | for (i = 0; i < port->cfg->n_interfaces; i++) { |
2034 | const char *name = port->cfg->interfaces[i]->name; | |
00794817 BP |
2035 | const char *type = port->cfg->interfaces[i]->name; |
2036 | if (strcmp(type, "null")) { | |
2037 | sset_add(&new_ifaces, name); | |
2038 | } | |
f620b43a | 2039 | } |
064af421 | 2040 | |
f620b43a BP |
2041 | /* Get rid of deleted interfaces. */ |
2042 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
2043 | if (!sset_contains(&new_ifaces, iface->name)) { | |
2044 | iface_destroy(iface); | |
064af421 | 2045 | } |
064af421 | 2046 | } |
f620b43a BP |
2047 | |
2048 | sset_destroy(&new_ifaces); | |
064af421 BP |
2049 | } |
2050 | ||
fa066f01 BP |
2051 | /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of |
2052 | * existing ones. */ | |
064af421 | 2053 | static void |
fa066f01 | 2054 | port_add_ifaces(struct port *port) |
064af421 | 2055 | { |
fa066f01 BP |
2056 | struct shash new_ifaces; |
2057 | struct shash_node *node; | |
2058 | size_t i; | |
064af421 | 2059 | |
fa066f01 BP |
2060 | /* Collect new ifaces. */ |
2061 | shash_init(&new_ifaces); | |
2062 | for (i = 0; i < port->cfg->n_interfaces; i++) { | |
2063 | const struct ovsrec_interface *cfg = port->cfg->interfaces[i]; | |
00794817 BP |
2064 | if (strcmp(cfg->type, "null") |
2065 | && !shash_add_once(&new_ifaces, cfg->name, cfg)) { | |
fa066f01 BP |
2066 | VLOG_WARN("port %s: %s specified twice as port interface", |
2067 | port->name, cfg->name); | |
2068 | iface_set_ofport(cfg, -1); | |
f620b43a | 2069 | } |
064af421 | 2070 | } |
be02e7c3 | 2071 | |
fa066f01 BP |
2072 | /* Create new interfaces. |
2073 | * Update interface types and 'cfg' members. */ | |
2074 | SHASH_FOR_EACH (node, &new_ifaces) { | |
2075 | const struct ovsrec_interface *cfg = node->data; | |
2076 | const char *iface_name = node->name; | |
76343538 BP |
2077 | struct iface *iface; |
2078 | ||
fa066f01 BP |
2079 | iface = iface_lookup(port->bridge, iface_name); |
2080 | if (!iface) { | |
2081 | iface = iface_create(port, cfg); | |
2082 | } else { | |
2083 | iface->cfg = cfg; | |
4a1ee6ae BP |
2084 | } |
2085 | ||
84b32864 EJ |
2086 | /* Determine interface type. The local port always has type |
2087 | * "internal". Other ports take their type from the database and | |
2088 | * default to "system" if none is specified. */ | |
fa066f01 BP |
2089 | iface->type = (!strcmp(iface_name, port->bridge->name) ? "internal" |
2090 | : cfg->type[0] ? cfg->type | |
2091 | : "system"); | |
d5346278 | 2092 | } |
fa066f01 | 2093 | shash_destroy(&new_ifaces); |
064af421 BP |
2094 | } |
2095 | ||
2096 | static void | |
2097 | port_destroy(struct port *port) | |
2098 | { | |
2099 | if (port) { | |
2100 | struct bridge *br = port->bridge; | |
83db7968 | 2101 | struct iface *iface, *next; |
064af421 | 2102 | |
fa066f01 BP |
2103 | if (br->ofproto) { |
2104 | ofproto_bundle_unregister(br->ofproto, port); | |
064af421 BP |
2105 | } |
2106 | ||
83db7968 BP |
2107 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2108 | iface_destroy(iface); | |
064af421 BP |
2109 | } |
2110 | ||
8052fb14 | 2111 | hmap_remove(&br->ports, &port->hmap_node); |
064af421 | 2112 | |
99707a7a JP |
2113 | VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name); |
2114 | ||
064af421 BP |
2115 | free(port->name); |
2116 | free(port); | |
064af421 BP |
2117 | } |
2118 | } | |
2119 | ||
064af421 BP |
2120 | static struct port * |
2121 | port_lookup(const struct bridge *br, const char *name) | |
2122 | { | |
8052fb14 BP |
2123 | struct port *port; |
2124 | ||
2125 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
2126 | &br->ports) { | |
2127 | if (!strcmp(port->name, name)) { | |
2128 | return port; | |
2129 | } | |
2130 | } | |
2131 | return NULL; | |
064af421 BP |
2132 | } |
2133 | ||
7a673515 BP |
2134 | static bool |
2135 | enable_lacp(struct port *port, bool *activep) | |
2136 | { | |
2137 | if (!port->cfg->lacp) { | |
2138 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
2139 | * default and make active on bonded ports. */ | |
2140 | return false; | |
2141 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
2142 | return false; | |
2143 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
2144 | *activep = true; | |
2145 | return true; | |
2146 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
2147 | *activep = false; | |
2148 | return true; | |
2149 | } else { | |
2150 | VLOG_WARN("port %s: unknown LACP mode %s", | |
2151 | port->name, port->cfg->lacp); | |
2152 | return false; | |
2153 | } | |
2154 | } | |
2155 | ||
fa066f01 BP |
2156 | static struct lacp_settings * |
2157 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 2158 | { |
cdcf42c6 EJ |
2159 | const char *lacp_time; |
2160 | long long int custom_time; | |
b5a25389 | 2161 | int priority; |
5827ce14 | 2162 | |
fa066f01 BP |
2163 | if (!enable_lacp(port, &s->active)) { |
2164 | return NULL; | |
abd4a95d EJ |
2165 | } |
2166 | ||
fa066f01 BP |
2167 | s->name = port->name; |
2168 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); | |
b5a25389 BP |
2169 | |
2170 | /* Prefer bondable links if unspecified. */ | |
2171 | priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority", | |
2172 | "0")); | |
fa066f01 BP |
2173 | s->priority = (priority > 0 && priority <= UINT16_MAX |
2174 | ? priority | |
2175 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 2176 | |
00794817 BP |
2177 | s->heartbeat = !strcmp(get_port_other_config(port->cfg, |
2178 | "lacp-heartbeat", | |
2179 | "false"), "true"); | |
b5a25389 | 2180 | |
da2f7b8f | 2181 | |
cdcf42c6 EJ |
2182 | lacp_time = get_port_other_config(port->cfg, "lacp-time", "slow"); |
2183 | custom_time = atoi(lacp_time); | |
2184 | if (!strcmp(lacp_time, "fast")) { | |
fa066f01 | 2185 | s->lacp_time = LACP_TIME_FAST; |
cdcf42c6 | 2186 | } else if (!strcmp(lacp_time, "slow")) { |
fa066f01 | 2187 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 | 2188 | } else if (custom_time > 0) { |
fa066f01 BP |
2189 | s->lacp_time = LACP_TIME_CUSTOM; |
2190 | s->custom_time = custom_time; | |
cdcf42c6 | 2191 | } else { |
fa066f01 | 2192 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 EJ |
2193 | } |
2194 | ||
fa066f01 BP |
2195 | return s; |
2196 | } | |
5827ce14 | 2197 | |
fa066f01 BP |
2198 | static void |
2199 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
2200 | { | |
00794817 | 2201 | int priority, portid, key; |
5827ce14 | 2202 | |
fa066f01 BP |
2203 | portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0")); |
2204 | priority = atoi(get_interface_other_config(iface->cfg, | |
2205 | "lacp-port-priority", "0")); | |
00794817 BP |
2206 | key = atoi(get_interface_other_config(iface->cfg, "lacp-aggregation-key", |
2207 | "0")); | |
fa066f01 BP |
2208 | |
2209 | if (portid <= 0 || portid > UINT16_MAX) { | |
892815f5 | 2210 | portid = iface->ofp_port; |
5827ce14 EJ |
2211 | } |
2212 | ||
fa066f01 BP |
2213 | if (priority <= 0 || priority > UINT16_MAX) { |
2214 | priority = UINT16_MAX; | |
2215 | } | |
5827ce14 | 2216 | |
00794817 BP |
2217 | if (key < 0 || key > UINT16_MAX) { |
2218 | key = 0; | |
5827ce14 | 2219 | } |
00794817 | 2220 | |
fa066f01 | 2221 | s->name = iface->name; |
fa066f01 BP |
2222 | s->id = portid; |
2223 | s->priority = priority; | |
00794817 | 2224 | s->key = key; |
bb5bc6c0 BP |
2225 | } |
2226 | ||
c25c91fd | 2227 | static void |
76ed83fc BP |
2228 | port_configure_bond(struct port *port, struct bond_settings *s, |
2229 | uint32_t *bond_stable_ids) | |
c25c91fd | 2230 | { |
f620b43a | 2231 | const char *detect_s; |
7a673515 | 2232 | struct iface *iface; |
1670c579 | 2233 | int miimon_interval; |
76ed83fc | 2234 | size_t i; |
c25c91fd | 2235 | |
fa066f01 BP |
2236 | s->name = port->name; |
2237 | s->balance = BM_SLB; | |
f620b43a | 2238 | if (port->cfg->bond_mode |
fa066f01 | 2239 | && !bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { |
f620b43a BP |
2240 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", |
2241 | port->name, port->cfg->bond_mode, | |
fa066f01 | 2242 | bond_mode_to_string(s->balance)); |
f620b43a | 2243 | } |
bb5bc6c0 | 2244 | |
1670c579 EJ |
2245 | miimon_interval = atoi(get_port_other_config(port->cfg, |
2246 | "bond-miimon-interval", "0")); | |
2247 | if (miimon_interval <= 0) { | |
2248 | miimon_interval = 200; | |
f620b43a BP |
2249 | } |
2250 | ||
1670c579 EJ |
2251 | detect_s = get_port_other_config(port->cfg, "bond-detect-mode", "carrier"); |
2252 | if (!strcmp(detect_s, "carrier")) { | |
2253 | miimon_interval = 0; | |
2254 | } else if (strcmp(detect_s, "miimon")) { | |
2255 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
2256 | "defaulting to carrier", port->name, detect_s); | |
2257 | miimon_interval = 0; | |
f620b43a BP |
2258 | } |
2259 | ||
fa066f01 BP |
2260 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
2261 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
00794817 | 2262 | s->basis = atoi(get_port_other_config(port->cfg, "bond-hash-basis", "0")); |
fa066f01 | 2263 | s->rebalance_interval = atoi( |
f620b43a | 2264 | get_port_other_config(port->cfg, "bond-rebalance-interval", "10000")); |
fa066f01 BP |
2265 | if (s->rebalance_interval < 1000) { |
2266 | s->rebalance_interval = 1000; | |
f620b43a BP |
2267 | } |
2268 | ||
fa066f01 | 2269 | s->fake_iface = port->cfg->bond_fake_iface; |
7a673515 | 2270 | |
76ed83fc | 2271 | i = 0; |
7a673515 | 2272 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
632e2b95 EJ |
2273 | long long stable_id; |
2274 | ||
2275 | stable_id = atoll(get_interface_other_config(iface->cfg, | |
2276 | "bond-stable-id", "0")); | |
632e2b95 | 2277 | if (stable_id <= 0 || stable_id >= UINT32_MAX) { |
76ed83fc | 2278 | stable_id = iface->ofp_port; |
632e2b95 | 2279 | } |
76ed83fc | 2280 | bond_stable_ids[i++] = stable_id; |
1670c579 EJ |
2281 | |
2282 | netdev_set_miimon_interval(iface->netdev, miimon_interval); | |
064af421 BP |
2283 | } |
2284 | } | |
064af421 BP |
2285 | \f |
2286 | /* Interface functions. */ | |
2287 | ||
76343538 | 2288 | static struct iface * |
a740f0de | 2289 | iface_create(struct port *port, const struct ovsrec_interface *if_cfg) |
064af421 | 2290 | { |
4a1ee6ae | 2291 | struct bridge *br = port->bridge; |
064af421 | 2292 | struct iface *iface; |
a740f0de | 2293 | char *name = if_cfg->name; |
064af421 | 2294 | |
ec6fde61 | 2295 | iface = xzalloc(sizeof *iface); |
064af421 | 2296 | iface->port = port; |
064af421 | 2297 | iface->name = xstrdup(name); |
892815f5 | 2298 | iface->ofp_port = -1; |
064af421 | 2299 | iface->tag = tag_create_random(); |
0c6aea3f | 2300 | iface->netdev = NULL; |
149f577a | 2301 | iface->cfg = if_cfg; |
064af421 | 2302 | |
ebea37cc | 2303 | hmap_insert(&br->iface_by_name, &iface->name_node, hash_string(name, 0)); |
2457b24f | 2304 | |
83db7968 | 2305 | list_push_back(&port->ifaces, &iface->port_elem); |
83db7968 | 2306 | |
064af421 BP |
2307 | VLOG_DBG("attached network device %s to port %s", iface->name, port->name); |
2308 | ||
76343538 | 2309 | return iface; |
064af421 BP |
2310 | } |
2311 | ||
2312 | static void | |
2313 | iface_destroy(struct iface *iface) | |
2314 | { | |
2315 | if (iface) { | |
2316 | struct port *port = iface->port; | |
2317 | struct bridge *br = port->bridge; | |
c17f0d5e | 2318 | |
892815f5 BP |
2319 | if (br->ofproto && iface->ofp_port >= 0) { |
2320 | ofproto_port_unregister(br->ofproto, iface->ofp_port); | |
5827ce14 EJ |
2321 | } |
2322 | ||
892815f5 BP |
2323 | if (iface->ofp_port >= 0) { |
2324 | hmap_remove(&br->ifaces, &iface->ofp_port_node); | |
064af421 BP |
2325 | } |
2326 | ||
83db7968 | 2327 | list_remove(&iface->port_elem); |
ebea37cc | 2328 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 2329 | |
0c6aea3f | 2330 | netdev_close(iface->netdev); |
064af421 | 2331 | |
a740f0de JG |
2332 | free(iface->name); |
2333 | free(iface); | |
064af421 BP |
2334 | } |
2335 | } | |
2336 | ||
2337 | static struct iface * | |
2338 | iface_lookup(const struct bridge *br, const char *name) | |
2339 | { | |
ebea37cc BP |
2340 | struct iface *iface; |
2341 | ||
2342 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
2343 | &br->iface_by_name) { | |
2344 | if (!strcmp(iface->name, name)) { | |
2345 | return iface; | |
2346 | } | |
2347 | } | |
2348 | ||
2349 | return NULL; | |
064af421 BP |
2350 | } |
2351 | ||
e8fe3026 EJ |
2352 | static struct iface * |
2353 | iface_find(const char *name) | |
2354 | { | |
2355 | const struct bridge *br; | |
2356 | ||
764072fd | 2357 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
2358 | struct iface *iface = iface_lookup(br, name); |
2359 | ||
2360 | if (iface) { | |
2361 | return iface; | |
2362 | } | |
2363 | } | |
2364 | return NULL; | |
2365 | } | |
2366 | ||
064af421 | 2367 | static struct iface * |
892815f5 | 2368 | iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port) |
064af421 | 2369 | { |
d9a8717a BP |
2370 | struct iface *iface; |
2371 | ||
892815f5 BP |
2372 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, |
2373 | hash_int(ofp_port, 0), &br->ifaces) { | |
2374 | if (iface->ofp_port == ofp_port) { | |
d9a8717a BP |
2375 | return iface; |
2376 | } | |
2377 | } | |
2378 | return NULL; | |
064af421 | 2379 | } |
557d8e6c | 2380 | |
52df17e7 BP |
2381 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
2382 | * file. */ | |
2383 | static void | |
2384 | iface_set_mac(struct iface *iface) | |
2385 | { | |
76343538 | 2386 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 2387 | |
ede2fd6d BP |
2388 | if (!strcmp(iface->type, "internal") |
2389 | && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
892815f5 | 2390 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
2391 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
2392 | "(use Bridge record to set local port's mac)", | |
2393 | iface->name); | |
2394 | } else if (eth_addr_is_multicast(ea)) { | |
52df17e7 BP |
2395 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
2396 | iface->name); | |
52df17e7 | 2397 | } else { |
4d678233 | 2398 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
2399 | if (error) { |
2400 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
2401 | iface->name, strerror(error)); | |
2402 | } | |
2403 | } | |
2404 | } | |
2405 | } | |
c1c9c9c4 | 2406 | |
bcd49a45 BP |
2407 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
2408 | static void | |
2409 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
2410 | { | |
cfea354b | 2411 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
bcd49a45 BP |
2412 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); |
2413 | } | |
2414 | } | |
2415 | ||
43776b8f BP |
2416 | /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'. |
2417 | * | |
2418 | * The value strings in '*shash' are taken directly from values[], not copied, | |
2419 | * so the caller should not modify or free them. */ | |
c1c9c9c4 BP |
2420 | static void |
2421 | shash_from_ovs_idl_map(char **keys, char **values, size_t n, | |
2422 | struct shash *shash) | |
2423 | { | |
2424 | size_t i; | |
2425 | ||
2426 | shash_init(shash); | |
2427 | for (i = 0; i < n; i++) { | |
2428 | shash_add(shash, keys[i], values[i]); | |
2429 | } | |
2430 | } | |
2431 | ||
ea763e0e EJ |
2432 | /* Creates 'keys' and 'values' arrays from 'shash'. |
2433 | * | |
2434 | * Sets 'keys' and 'values' to heap allocated arrays representing the key-value | |
2435 | * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They | |
2436 | * are populated with with strings taken directly from 'shash' and thus have | |
2437 | * the same ownership of the key-value pairs in shash. | |
2438 | */ | |
2439 | static void | |
2440 | shash_to_ovs_idl_map(struct shash *shash, | |
2441 | char ***keys, char ***values, size_t *n) | |
2442 | { | |
2443 | size_t i, count; | |
2444 | char **k, **v; | |
2445 | struct shash_node *sn; | |
2446 | ||
2447 | count = shash_count(shash); | |
2448 | ||
2449 | k = xmalloc(count * sizeof *k); | |
2450 | v = xmalloc(count * sizeof *v); | |
2451 | ||
2452 | i = 0; | |
2453 | SHASH_FOR_EACH(sn, shash) { | |
2454 | k[i] = sn->name; | |
2455 | v[i] = sn->data; | |
2456 | i++; | |
2457 | } | |
2458 | ||
2459 | *n = count; | |
2460 | *keys = k; | |
2461 | *values = v; | |
2462 | } | |
2463 | ||
c1c9c9c4 BP |
2464 | struct iface_delete_queues_cbdata { |
2465 | struct netdev *netdev; | |
44fca7f9 | 2466 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
2467 | }; |
2468 | ||
2469 | static bool | |
44fca7f9 | 2470 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 2471 | { |
44fca7f9 | 2472 | union ovsdb_atom atom; |
c1c9c9c4 | 2473 | |
44fca7f9 BP |
2474 | atom.integer = target; |
2475 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
2476 | } |
2477 | ||
2478 | static void | |
2479 | iface_delete_queues(unsigned int queue_id, | |
2480 | const struct shash *details OVS_UNUSED, void *cbdata_) | |
2481 | { | |
2482 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
2483 | ||
44fca7f9 | 2484 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
2485 | netdev_delete_queue(cbdata->netdev, queue_id); |
2486 | } | |
2487 | } | |
2488 | ||
2489 | static void | |
66da9bef | 2490 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 2491 | { |
daa8bd2b | 2492 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
2493 | netdev_set_qos(iface->netdev, NULL, NULL); |
2494 | } else { | |
2495 | struct iface_delete_queues_cbdata cbdata; | |
2496 | struct shash details; | |
2497 | size_t i; | |
2498 | ||
2499 | /* Configure top-level Qos for 'iface'. */ | |
2500 | shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config, | |
2501 | qos->n_other_config, &details); | |
2502 | netdev_set_qos(iface->netdev, qos->type, &details); | |
2503 | shash_destroy(&details); | |
2504 | ||
2505 | /* Deconfigure queues that were deleted. */ | |
2506 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
2507 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
2508 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
2509 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
2510 | ||
2511 | /* Configure queues for 'iface'. */ | |
2512 | for (i = 0; i < qos->n_queues; i++) { | |
2513 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
2514 | unsigned int queue_id = qos->key_queues[i]; | |
2515 | ||
2516 | shash_from_ovs_idl_map(queue->key_other_config, | |
2517 | queue->value_other_config, | |
2518 | queue->n_other_config, &details); | |
2519 | netdev_set_queue(iface->netdev, queue_id, &details); | |
2520 | shash_destroy(&details); | |
2521 | } | |
2522 | } | |
fa066f01 BP |
2523 | |
2524 | netdev_set_policing(iface->netdev, | |
2525 | iface->cfg->ingress_policing_rate, | |
2526 | iface->cfg->ingress_policing_burst); | |
c1c9c9c4 | 2527 | } |
b31bcf60 EJ |
2528 | |
2529 | static void | |
66da9bef | 2530 | iface_configure_cfm(struct iface *iface) |
b31bcf60 EJ |
2531 | { |
2532 | size_t i; | |
e7934396 | 2533 | struct cfm cfm; |
b31bcf60 EJ |
2534 | uint16_t *remote_mps; |
2535 | struct ovsrec_monitor *mon; | |
a58727fb | 2536 | uint8_t maid[CCM_MAID_LEN]; |
b31bcf60 EJ |
2537 | |
2538 | mon = iface->cfg->monitor; | |
2539 | ||
2540 | if (!mon) { | |
892815f5 | 2541 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
2542 | return; |
2543 | } | |
2544 | ||
b31bcf60 EJ |
2545 | if (!cfm_generate_maid(mon->md_name, mon->ma_name, maid)) { |
2546 | VLOG_WARN("interface %s: Failed to generate MAID.", iface->name); | |
2547 | return; | |
2548 | } | |
2549 | ||
e7934396 BP |
2550 | cfm.mpid = mon->mpid; |
2551 | cfm.interval = mon->interval ? *mon->interval : 1000; | |
b31bcf60 | 2552 | |
e7934396 | 2553 | memcpy(cfm.maid, maid, sizeof cfm.maid); |
b31bcf60 EJ |
2554 | |
2555 | remote_mps = xzalloc(mon->n_remote_mps * sizeof *remote_mps); | |
2556 | for(i = 0; i < mon->n_remote_mps; i++) { | |
2557 | remote_mps[i] = mon->remote_mps[i]->mpid; | |
2558 | } | |
b31bcf60 | 2559 | |
892815f5 | 2560 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, |
35c33856 | 2561 | &cfm, remote_mps, mon->n_remote_mps); |
e7934396 | 2562 | free(remote_mps); |
b31bcf60 | 2563 | } |
0b8024eb BP |
2564 | |
2565 | /* Read carrier or miimon status directly from 'iface''s netdev, according to | |
2566 | * how 'iface''s port is configured. | |
2567 | * | |
2568 | * Returns true if 'iface' is up, false otherwise. */ | |
2569 | static bool | |
2570 | iface_get_carrier(const struct iface *iface) | |
2571 | { | |
f620b43a BP |
2572 | /* XXX */ |
2573 | return netdev_get_carrier(iface->netdev); | |
0b8024eb | 2574 | } |
cfea354b BP |
2575 | |
2576 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally | |
2577 | * instead of obtaining it from the database. */ | |
2578 | static bool | |
2579 | iface_is_synthetic(const struct iface *iface) | |
2580 | { | |
2581 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
2582 | } | |
064af421 BP |
2583 | \f |
2584 | /* Port mirroring. */ | |
2585 | ||
dd0d105c BP |
2586 | static struct mirror * |
2587 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
2588 | { | |
fa066f01 | 2589 | struct mirror *m; |
dd0d105c | 2590 | |
fa066f01 BP |
2591 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
2592 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
2593 | return m; |
2594 | } | |
2595 | } | |
2596 | return NULL; | |
2597 | } | |
2598 | ||
064af421 | 2599 | static void |
fa066f01 | 2600 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 2601 | { |
fa066f01 BP |
2602 | const struct ovsdb_datum *mc; |
2603 | unsigned long *flood_vlans; | |
2604 | struct mirror *m, *next; | |
2605 | size_t i; | |
064af421 | 2606 | |
dd0d105c | 2607 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
2608 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
2609 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
2610 | union ovsdb_atom atom; | |
2611 | ||
2612 | atom.uuid = m->uuid; | |
2613 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
2614 | mirror_destroy(m); | |
064af421 BP |
2615 | } |
2616 | } | |
2617 | ||
dd0d105c | 2618 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 2619 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 2620 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 2621 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
2622 | if (!m) { |
2623 | m = mirror_create(br, cfg); | |
064af421 | 2624 | } |
fa066f01 BP |
2625 | if (!mirror_configure(m, cfg)) { |
2626 | mirror_destroy(m); | |
064af421 BP |
2627 | } |
2628 | } | |
f2d7fd66 | 2629 | |
8f30d09a | 2630 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
2631 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
2632 | br->cfg->n_flood_vlans); | |
2633 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
2634 | bitmap_free(flood_vlans); | |
064af421 BP |
2635 | } |
2636 | ||
fa066f01 BP |
2637 | static struct mirror * |
2638 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
2639 | { |
2640 | struct mirror *m; | |
064af421 | 2641 | |
fa066f01 | 2642 | m = xzalloc(sizeof *m); |
8bbc128e | 2643 | m->uuid = cfg->header_.uuid; |
fa066f01 | 2644 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 2645 | m->bridge = br; |
dd0d105c | 2646 | m->name = xstrdup(cfg->name); |
37e7f427 | 2647 | |
fa066f01 | 2648 | return m; |
064af421 BP |
2649 | } |
2650 | ||
2651 | static void | |
2652 | mirror_destroy(struct mirror *m) | |
2653 | { | |
2654 | if (m) { | |
2655 | struct bridge *br = m->bridge; | |
064af421 | 2656 | |
fa066f01 BP |
2657 | if (br->ofproto) { |
2658 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
2659 | } |
2660 | ||
fa066f01 | 2661 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 2662 | free(m->name); |
064af421 | 2663 | free(m); |
064af421 BP |
2664 | } |
2665 | } | |
2666 | ||
2667 | static void | |
fa066f01 BP |
2668 | mirror_collect_ports(struct mirror *m, |
2669 | struct ovsrec_port **in_ports, int n_in_ports, | |
2670 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 2671 | { |
fa066f01 BP |
2672 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
2673 | size_t n_out_ports = 0; | |
064af421 BP |
2674 | size_t i; |
2675 | ||
fa066f01 BP |
2676 | for (i = 0; i < n_in_ports; i++) { |
2677 | const char *name = in_ports[i]->name; | |
2678 | struct port *port = port_lookup(m->bridge, name); | |
2679 | if (port) { | |
2680 | out_ports[n_out_ports++] = port; | |
064af421 | 2681 | } else { |
37e7f427 BP |
2682 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
2683 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
2684 | } |
2685 | } | |
fa066f01 BP |
2686 | *out_portsp = out_ports; |
2687 | *n_out_portsp = n_out_ports; | |
064af421 BP |
2688 | } |
2689 | ||
2690 | static bool | |
fa066f01 | 2691 | mirror_configure(struct mirror *m, const struct ovsrec_mirror *cfg) |
064af421 | 2692 | { |
fa066f01 | 2693 | struct ofproto_mirror_settings s; |
064af421 | 2694 | |
dd0d105c BP |
2695 | /* Set name. */ |
2696 | if (strcmp(cfg->name, m->name)) { | |
2697 | free(m->name); | |
2698 | m->name = xstrdup(cfg->name); | |
2699 | } | |
fa066f01 | 2700 | s.name = m->name; |
dd0d105c | 2701 | |
fa066f01 | 2702 | /* Get output port or VLAN. */ |
37e7f427 | 2703 | if (cfg->output_port) { |
fa066f01 | 2704 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 2705 | if (!s.out_bundle) { |
37e7f427 BP |
2706 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
2707 | m->bridge->name, m->name); | |
fa066f01 | 2708 | return false; |
064af421 | 2709 | } |
fa066f01 | 2710 | s.out_vlan = UINT16_MAX; |
064af421 | 2711 | |
37e7f427 BP |
2712 | if (cfg->output_vlan) { |
2713 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
2714 | "output vlan; ignoring output vlan", | |
2715 | m->bridge->name, m->name); | |
064af421 | 2716 | } |
37e7f427 | 2717 | } else if (cfg->output_vlan) { |
fa066f01 BP |
2718 | /* The database should prevent invalid VLAN values. */ |
2719 | s.out_bundle = NULL; | |
2720 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 2721 | } else { |
37e7f427 BP |
2722 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
2723 | m->bridge->name, m->name); | |
fa066f01 | 2724 | return false; |
064af421 BP |
2725 | } |
2726 | ||
fa066f01 | 2727 | /* Get port selection. */ |
939ff267 | 2728 | if (cfg->select_all) { |
fa066f01 BP |
2729 | size_t n_ports = hmap_count(&m->bridge->ports); |
2730 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 2731 | struct port *port; |
fa066f01 BP |
2732 | size_t i; |
2733 | ||
2734 | i = 0; | |
8052fb14 | 2735 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 2736 | ports[i++] = port; |
939ff267 | 2737 | } |
fa066f01 BP |
2738 | |
2739 | s.srcs = ports; | |
2740 | s.n_srcs = n_ports; | |
2741 | ||
2742 | s.dsts = ports; | |
2743 | s.n_dsts = n_ports; | |
939ff267 | 2744 | } else { |
fa066f01 BP |
2745 | /* Get ports, dropping ports that don't exist. |
2746 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 2747 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 2748 | &s.srcs, &s.n_srcs); |
939ff267 | 2749 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 2750 | &s.dsts, &s.n_dsts); |
064af421 | 2751 | |
064af421 BP |
2752 | } |
2753 | ||
fa066f01 BP |
2754 | /* Get VLAN selection. */ |
2755 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
2756 | ||
2757 | /* Configure. */ | |
2758 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
2759 | ||
064af421 | 2760 | /* Clean up. */ |
fa066f01 BP |
2761 | if (s.srcs != s.dsts) { |
2762 | free(s.dsts); | |
2763 | } | |
2764 | free(s.srcs); | |
2765 | free(s.src_vlans); | |
2766 | ||
2767 | return true; | |
064af421 | 2768 | } |