]>
Commit | Line | Data |
---|---|---|
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 *); | |
178 | static void port_configure_bond(struct port *, struct bond_settings *); | |
179 | ||
180 | static void bridge_configure_mirrors(struct bridge *); | |
181 | static struct mirror *mirror_create(struct bridge *, | |
182 | const struct ovsrec_mirror *); | |
064af421 | 183 | static void mirror_destroy(struct mirror *); |
fa066f01 | 184 | static bool mirror_configure(struct mirror *, const struct ovsrec_mirror *); |
064af421 | 185 | |
fa066f01 | 186 | static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *); |
d295e8e9 | 187 | static struct iface *iface_create(struct port *port, |
a740f0de | 188 | const struct ovsrec_interface *if_cfg); |
064af421 BP |
189 | static void iface_destroy(struct iface *); |
190 | static struct iface *iface_lookup(const struct bridge *, const char *name); | |
e8fe3026 | 191 | static struct iface *iface_find(const char *name); |
892815f5 BP |
192 | static struct iface *iface_from_ofp_port(const struct bridge *, |
193 | uint16_t ofp_port); | |
52df17e7 | 194 | static void iface_set_mac(struct iface *); |
bcd49a45 | 195 | static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport); |
66da9bef BP |
196 | static void iface_configure_qos(struct iface *, const struct ovsrec_qos *); |
197 | static void iface_configure_cfm(struct iface *); | |
6586adf5 | 198 | static bool iface_refresh_cfm_stats(struct iface *iface); |
0b8024eb | 199 | static bool iface_get_carrier(const struct iface *); |
cfea354b | 200 | static bool iface_is_synthetic(const struct iface *); |
064af421 | 201 | |
43776b8f BP |
202 | static void shash_from_ovs_idl_map(char **keys, char **values, size_t n, |
203 | struct shash *); | |
ea763e0e EJ |
204 | static void shash_to_ovs_idl_map(struct shash *, |
205 | char ***keys, char ***values, size_t *n); | |
064af421 BP |
206 | \f |
207 | /* Public functions. */ | |
208 | ||
c5187f17 BP |
209 | /* Initializes the bridge module, configuring it to obtain its configuration |
210 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
211 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 212 | void |
c5187f17 BP |
213 | bridge_init(const char *remote) |
214 | { | |
215 | /* Create connection to database. */ | |
ef73f86c | 216 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); |
c5187f17 | 217 | |
ef73f86c BP |
218 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
219 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 | 220 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
62f3aaed BP |
221 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version); |
222 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version); | |
223 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type); | |
224 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version); | |
e85bbd75 | 225 | |
62f3aaed | 226 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id); |
e85bbd75 BP |
227 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); |
228 | ||
229 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); | |
230 | ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge); | |
231 | ||
62f3aaed BP |
232 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state); |
233 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex); | |
234 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed); | |
235 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state); | |
236 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu); | |
ef73f86c BP |
237 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); |
238 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); | |
62f3aaed | 239 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status); |
e85bbd75 BP |
240 | ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); |
241 | ||
62f3aaed BP |
242 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected); |
243 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role); | |
244 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status); | |
245 | ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids); | |
246 | ||
247 | ovsdb_idl_omit_alert(idl, &ovsrec_maintenance_point_col_fault); | |
248 | ||
249 | ovsdb_idl_omit_alert(idl, &ovsrec_monitor_col_fault); | |
250 | ||
251 | ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids); | |
252 | ||
253 | ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids); | |
254 | ||
255 | ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids); | |
256 | ||
257 | ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids); | |
258 | ||
259 | ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids); | |
260 | ||
261 | ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids); | |
262 | ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe); | |
263 | ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected); | |
264 | ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff); | |
265 | ovsdb_idl_omit(idl, &ovsrec_manager_col_status); | |
266 | ||
267 | ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids); | |
268 | ||
c5187f17 | 269 | /* Register unixctl commands. */ |
20c8e971 | 270 | unixctl_command_register("cfm/show", cfm_unixctl_show, NULL); |
e8fe3026 | 271 | unixctl_command_register("qos/show", qos_unixctl_show, NULL); |
c5187f17 BP |
272 | unixctl_command_register("bridge/dump-flows", bridge_unixctl_dump_flows, |
273 | NULL); | |
fa05809b BP |
274 | unixctl_command_register("bridge/reconnect", bridge_unixctl_reconnect, |
275 | NULL); | |
5827ce14 | 276 | lacp_init(); |
c5187f17 BP |
277 | bond_init(); |
278 | } | |
279 | ||
ee45ad81 BP |
280 | void |
281 | bridge_exit(void) | |
282 | { | |
283 | struct bridge *br, *next_br; | |
284 | ||
764072fd | 285 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
ee45ad81 BP |
286 | bridge_destroy(br); |
287 | } | |
288 | ovsdb_idl_destroy(idl); | |
289 | } | |
290 | ||
cd11000b BP |
291 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
292 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
293 | * responsible for freeing '*managersp' (with free()). | |
294 | * | |
295 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
296 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
297 | * should not be and in fact is not directly involved in that. But | |
298 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
299 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 300 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
301 | */ |
302 | static void | |
94db5407 BP |
303 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
304 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
305 | { |
306 | struct sockaddr_in *managers = NULL; | |
307 | size_t n_managers = 0; | |
b3c01ed3 | 308 | struct sset targets; |
94db5407 BP |
309 | size_t i; |
310 | ||
289df16d AE |
311 | /* Collect all of the potential targets from the "targets" columns of the |
312 | * rows pointed to by "manager_options", excluding any that are | |
313 | * out-of-band. */ | |
b3c01ed3 | 314 | sset_init(&targets); |
94db5407 BP |
315 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
316 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
317 | ||
318 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
b3c01ed3 | 319 | sset_find_and_delete(&targets, m->target); |
94db5407 | 320 | } else { |
b3c01ed3 | 321 | sset_add(&targets, m->target); |
94db5407 BP |
322 | } |
323 | } | |
cd11000b | 324 | |
94db5407 | 325 | /* Now extract the targets' IP addresses. */ |
b3c01ed3 BP |
326 | if (!sset_is_empty(&targets)) { |
327 | const char *target; | |
cd11000b | 328 | |
b3c01ed3 BP |
329 | managers = xmalloc(sset_count(&targets) * sizeof *managers); |
330 | SSET_FOR_EACH (target, &targets) { | |
94db5407 | 331 | struct sockaddr_in *sin = &managers[n_managers]; |
cd11000b | 332 | |
94db5407 BP |
333 | if ((!strncmp(target, "tcp:", 4) |
334 | && inet_parse_active(target + 4, JSONRPC_TCP_PORT, sin)) || | |
335 | (!strncmp(target, "ssl:", 4) | |
336 | && inet_parse_active(target + 4, JSONRPC_SSL_PORT, sin))) { | |
cd11000b BP |
337 | n_managers++; |
338 | } | |
339 | } | |
340 | } | |
b3c01ed3 | 341 | sset_destroy(&targets); |
cd11000b BP |
342 | |
343 | *managersp = managers; | |
344 | *n_managersp = n_managers; | |
345 | } | |
346 | ||
c5187f17 | 347 | static void |
76343538 | 348 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 349 | { |
cd11000b | 350 | struct sockaddr_in *managers; |
66da9bef | 351 | struct bridge *br, *next; |
72b06300 | 352 | int sflow_bridge_number; |
66da9bef | 353 | size_t n_managers; |
064af421 BP |
354 | |
355 | COVERAGE_INC(bridge_reconfigure); | |
356 | ||
66da9bef BP |
357 | /* Create and destroy "struct bridge"s, "struct port"s, and "struct |
358 | * iface"s according to 'ovs_cfg', with only very minimal configuration | |
359 | * otherwise. | |
360 | * | |
361 | * This is purely an update to bridge data structures. Nothing is pushed | |
362 | * down to ofproto or lower layers. */ | |
363 | add_del_bridges(ovs_cfg); | |
764072fd | 364 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef | 365 | bridge_add_del_ports(br); |
064af421 BP |
366 | } |
367 | ||
66da9bef | 368 | /* Delete all datapaths and datapath ports that are no longer configured. |
064af421 BP |
369 | * |
370 | * The kernel will reject any attempt to add a given port to a datapath if | |
371 | * that port already belongs to a different datapath, so we must do all | |
66da9bef BP |
372 | * port deletions before any port additions. A datapath always has a |
373 | * "local port" so we must delete not-configured datapaths too. */ | |
f79e673f | 374 | bridge_del_ofprotos(); |
764072fd | 375 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef BP |
376 | if (br->ofproto) { |
377 | bridge_del_ofproto_ports(br); | |
064af421 | 378 | } |
064af421 | 379 | } |
e8192d80 | 380 | |
66da9bef BP |
381 | /* Create datapaths and datapath ports that are missing. |
382 | * | |
383 | * After this is done, we have our final set of bridges, ports, and | |
384 | * interfaces. Every "struct bridge" has an ofproto, every "struct port" | |
892815f5 | 385 | * has at least one iface, every "struct iface" has a valid ofp_port and |
66da9bef BP |
386 | * netdev. */ |
387 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
f79e673f | 388 | if (!br->ofproto && !bridge_add_ofprotos(br)) { |
66da9bef | 389 | bridge_destroy(br); |
c3effea5 | 390 | } |
e8192d80 | 391 | } |
e8192d80 | 392 | HMAP_FOR_EACH (br, node, &all_bridges) { |
892815f5 | 393 | bridge_refresh_ofp_port(br); |
66da9bef | 394 | bridge_add_ofproto_ports(br); |
064af421 | 395 | } |
6f90b8f4 | 396 | |
66da9bef BP |
397 | /* Complete the configuration. */ |
398 | sflow_bridge_number = 0; | |
399 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); | |
764072fd | 400 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 BP |
401 | struct port *port; |
402 | ||
403 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
83db7968 | 404 | struct iface *iface; |
52df17e7 | 405 | |
fa066f01 | 406 | port_configure(port); |
c1c9c9c4 | 407 | |
892815f5 | 408 | HMAP_FOR_EACH (iface, ofp_port_node, &br->ifaces) { |
66da9bef BP |
409 | iface_configure_cfm(iface); |
410 | iface_configure_qos(iface, port->cfg->qos); | |
7ae79235 | 411 | iface_set_mac(iface); |
c1c9c9c4 | 412 | } |
064af421 | 413 | } |
fa066f01 | 414 | bridge_configure_mirrors(br); |
66da9bef | 415 | bridge_configure_datapath_id(br); |
fa066f01 | 416 | bridge_configure_remotes(br, managers, n_managers); |
66da9bef BP |
417 | bridge_configure_netflow(br); |
418 | bridge_configure_sflow(br, &sflow_bridge_number); | |
064af421 | 419 | } |
66da9bef | 420 | free(managers); |
093e47f4 | 421 | |
66da9bef BP |
422 | /* ovs-vswitchd has completed initialization, so allow the process that |
423 | * forked us to exit successfully. */ | |
424 | daemonize_complete(); | |
425 | } | |
426 | ||
f79e673f | 427 | /* Iterate over all ofprotos and delete any of them that do not have a |
66da9bef BP |
428 | * configured bridge or that are the wrong type. */ |
429 | static void | |
f79e673f | 430 | bridge_del_ofprotos(void) |
66da9bef | 431 | { |
f79e673f BP |
432 | struct sset names; |
433 | struct sset types; | |
66da9bef | 434 | const char *type; |
392730c4 | 435 | |
f79e673f BP |
436 | sset_init(&names); |
437 | sset_init(&types); | |
438 | ofproto_enumerate_types(&types); | |
439 | SSET_FOR_EACH (type, &types) { | |
66da9bef | 440 | const char *name; |
392730c4 | 441 | |
f79e673f BP |
442 | ofproto_enumerate_names(type, &names); |
443 | SSET_FOR_EACH (name, &names) { | |
66da9bef BP |
444 | struct bridge *br = bridge_lookup(name); |
445 | if (!br || strcmp(type, br->type)) { | |
f79e673f | 446 | ofproto_delete(name, type); |
66da9bef | 447 | } |
b31bcf60 EJ |
448 | } |
449 | } | |
f79e673f BP |
450 | sset_destroy(&names); |
451 | sset_destroy(&types); | |
66da9bef | 452 | } |
b31bcf60 | 453 | |
66da9bef | 454 | static bool |
f79e673f | 455 | bridge_add_ofprotos(struct bridge *br) |
66da9bef | 456 | { |
fa066f01 | 457 | int error = ofproto_create(br->name, br->type, &br->ofproto); |
66da9bef | 458 | if (error) { |
fa066f01 | 459 | VLOG_ERR("failed to create bridge %s: %s", br->name, strerror(error)); |
66da9bef BP |
460 | return false; |
461 | } | |
462 | return true; | |
093e47f4 BP |
463 | } |
464 | ||
fa066f01 BP |
465 | static void |
466 | port_configure(struct port *port) | |
467 | { | |
468 | const struct ovsrec_port *cfg = port->cfg; | |
469 | struct bond_settings bond_settings; | |
470 | struct lacp_settings lacp_settings; | |
471 | struct ofproto_bundle_settings s; | |
472 | struct iface *iface; | |
473 | ||
474 | /* Get name. */ | |
475 | s.name = port->name; | |
476 | ||
477 | /* Get slaves. */ | |
478 | s.n_slaves = 0; | |
479 | s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves); | |
480 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 481 | s.slaves[s.n_slaves++] = iface->ofp_port; |
fa066f01 BP |
482 | } |
483 | ||
484 | /* Get VLAN tag. */ | |
485 | s.vlan = -1; | |
486 | if (cfg->tag) { | |
487 | if (list_is_short(&port->ifaces)) { | |
488 | if (*cfg->tag >= 0 && *cfg->tag <= 4095) { | |
489 | s.vlan = *cfg->tag; | |
490 | VLOG_DBG("port %s: assigning VLAN tag %d", port->name, s.vlan); | |
491 | } | |
492 | } else { | |
493 | /* It's possible that bonded, VLAN-tagged ports make sense. Maybe | |
494 | * they even work as-is. But they have not been tested. */ | |
495 | VLOG_WARN("port %s: VLAN tags not supported on bonded ports", | |
496 | port->name); | |
497 | } | |
498 | } | |
499 | ||
500 | /* Get VLAN trunks. */ | |
501 | s.trunks = NULL; | |
502 | if (s.vlan < 0 && cfg->n_trunks) { | |
503 | s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks); | |
504 | } else if (s.vlan >= 0 && cfg->n_trunks) { | |
505 | VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan", | |
506 | port->name); | |
507 | } | |
508 | ||
509 | /* Get LACP settings. */ | |
510 | s.lacp = port_configure_lacp(port, &lacp_settings); | |
511 | if (s.lacp) { | |
512 | size_t i = 0; | |
513 | ||
514 | s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves); | |
515 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
516 | iface_configure_lacp(iface, &s.lacp_slaves[i++]); | |
517 | } | |
518 | } else { | |
519 | s.lacp_slaves = NULL; | |
520 | } | |
521 | ||
522 | /* Get bond settings. */ | |
523 | if (s.n_slaves > 1) { | |
524 | port_configure_bond(port, &bond_settings); | |
525 | s.bond = &bond_settings; | |
526 | } else { | |
527 | s.bond = NULL; | |
528 | } | |
529 | ||
530 | /* Register. */ | |
531 | ofproto_bundle_register(port->bridge->ofproto, port, &s); | |
532 | ||
533 | /* Clean up. */ | |
534 | free(s.trunks); | |
535 | free(s.lacp_slaves); | |
536 | } | |
537 | ||
6f90b8f4 BP |
538 | /* Pick local port hardware address and datapath ID for 'br'. */ |
539 | static void | |
540 | bridge_configure_datapath_id(struct bridge *br) | |
541 | { | |
542 | uint8_t ea[ETH_ADDR_LEN]; | |
543 | uint64_t dpid; | |
544 | struct iface *local_iface; | |
545 | struct iface *hw_addr_iface; | |
546 | char *dpid_string; | |
547 | ||
548 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); | |
892815f5 | 549 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
6f90b8f4 BP |
550 | if (local_iface) { |
551 | int error = netdev_set_etheraddr(local_iface->netdev, ea); | |
552 | if (error) { | |
553 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
554 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
555 | "Ethernet address: %s", | |
556 | br->name, strerror(error)); | |
557 | } | |
558 | } | |
559 | memcpy(br->ea, ea, ETH_ADDR_LEN); | |
560 | ||
561 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); | |
562 | ofproto_set_datapath_id(br->ofproto, dpid); | |
563 | ||
564 | dpid_string = xasprintf("%016"PRIx64, dpid); | |
565 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); | |
566 | free(dpid_string); | |
567 | } | |
568 | ||
569 | /* Set NetFlow configuration on 'br'. */ | |
570 | static void | |
571 | bridge_configure_netflow(struct bridge *br) | |
572 | { | |
573 | struct ovsrec_netflow *cfg = br->cfg->netflow; | |
574 | struct netflow_options opts; | |
575 | ||
576 | if (!cfg) { | |
577 | ofproto_set_netflow(br->ofproto, NULL); | |
578 | return; | |
579 | } | |
580 | ||
581 | memset(&opts, 0, sizeof opts); | |
582 | ||
583 | /* Get default NetFlow configuration from datapath. | |
584 | * Apply overrides from 'cfg'. */ | |
585 | ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id); | |
586 | if (cfg->engine_type) { | |
587 | opts.engine_type = *cfg->engine_type; | |
588 | } | |
589 | if (cfg->engine_id) { | |
590 | opts.engine_id = *cfg->engine_id; | |
591 | } | |
592 | ||
593 | /* Configure active timeout interval. */ | |
594 | opts.active_timeout = cfg->active_timeout; | |
595 | if (!opts.active_timeout) { | |
596 | opts.active_timeout = -1; | |
597 | } else if (opts.active_timeout < 0) { | |
598 | VLOG_WARN("bridge %s: active timeout interval set to negative " | |
599 | "value, using default instead (%d seconds)", br->name, | |
600 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
601 | opts.active_timeout = -1; | |
602 | } | |
603 | ||
604 | /* Add engine ID to interface number to disambiguate bridgs? */ | |
605 | opts.add_id_to_iface = cfg->add_id_to_interface; | |
606 | if (opts.add_id_to_iface) { | |
607 | if (opts.engine_id > 0x7f) { | |
608 | VLOG_WARN("bridge %s: NetFlow port mangling may conflict with " | |
609 | "another vswitch, choose an engine id less than 128", | |
610 | br->name); | |
611 | } | |
612 | if (hmap_count(&br->ports) > 508) { | |
613 | VLOG_WARN("bridge %s: NetFlow port mangling will conflict with " | |
614 | "another port when more than 508 ports are used", | |
615 | br->name); | |
616 | } | |
617 | } | |
618 | ||
619 | /* Collectors. */ | |
620 | sset_init(&opts.collectors); | |
621 | sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets); | |
622 | ||
623 | /* Configure. */ | |
624 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
625 | VLOG_ERR("bridge %s: problem setting netflow collectors", br->name); | |
626 | } | |
627 | sset_destroy(&opts.collectors); | |
628 | } | |
629 | ||
630 | /* Set sFlow configuration on 'br'. */ | |
631 | static void | |
632 | bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number) | |
633 | { | |
634 | const struct ovsrec_sflow *cfg = br->cfg->sflow; | |
635 | struct ovsrec_controller **controllers; | |
636 | struct ofproto_sflow_options oso; | |
637 | size_t n_controllers; | |
638 | size_t i; | |
639 | ||
640 | if (!cfg) { | |
641 | ofproto_set_sflow(br->ofproto, NULL); | |
642 | return; | |
643 | } | |
644 | ||
645 | memset(&oso, 0, sizeof oso); | |
646 | ||
647 | sset_init(&oso.targets); | |
648 | sset_add_array(&oso.targets, cfg->targets, cfg->n_targets); | |
649 | ||
650 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; | |
651 | if (cfg->sampling) { | |
652 | oso.sampling_rate = *cfg->sampling; | |
653 | } | |
654 | ||
655 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
656 | if (cfg->polling) { | |
657 | oso.polling_interval = *cfg->polling; | |
658 | } | |
659 | ||
660 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; | |
661 | if (cfg->header) { | |
662 | oso.header_len = *cfg->header; | |
663 | } | |
664 | ||
665 | oso.sub_id = (*sflow_bridge_number)++; | |
666 | oso.agent_device = cfg->agent; | |
667 | ||
668 | oso.control_ip = NULL; | |
669 | n_controllers = bridge_get_controllers(br, &controllers); | |
670 | for (i = 0; i < n_controllers; i++) { | |
671 | if (controllers[i]->local_ip) { | |
672 | oso.control_ip = controllers[i]->local_ip; | |
673 | break; | |
674 | } | |
675 | } | |
676 | ofproto_set_sflow(br->ofproto, &oso); | |
677 | ||
678 | sset_destroy(&oso.targets); | |
679 | } | |
680 | ||
e8192d80 BP |
681 | static bool |
682 | bridge_has_bond_fake_iface(const struct bridge *br, const char *name) | |
683 | { | |
684 | const struct port *port = port_lookup(br, name); | |
685 | return port && port_is_bond_fake_iface(port); | |
686 | } | |
687 | ||
688 | static bool | |
689 | port_is_bond_fake_iface(const struct port *port) | |
690 | { | |
691 | return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces); | |
692 | } | |
693 | ||
66da9bef BP |
694 | static void |
695 | add_del_bridges(const struct ovsrec_open_vswitch *cfg) | |
696 | { | |
697 | struct bridge *br, *next; | |
698 | struct shash new_br; | |
699 | size_t i; | |
700 | ||
701 | /* Collect new bridges' names and types. */ | |
702 | shash_init(&new_br); | |
703 | for (i = 0; i < cfg->n_bridges; i++) { | |
704 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
705 | if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
706 | VLOG_WARN("bridge %s specified twice", br_cfg->name); | |
707 | } | |
708 | } | |
709 | ||
710 | /* Get rid of deleted bridges or those whose types have changed. | |
711 | * Update 'cfg' of bridges that still exist. */ | |
712 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
713 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
714 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
715 | br->cfg->datapath_type))) { | |
66da9bef BP |
716 | bridge_destroy(br); |
717 | } | |
718 | } | |
719 | ||
720 | /* Add new bridges. */ | |
721 | for (i = 0; i < cfg->n_bridges; i++) { | |
722 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
723 | struct bridge *br = bridge_lookup(br_cfg->name); | |
724 | if (!br) { | |
725 | bridge_create(br_cfg); | |
726 | } | |
727 | } | |
728 | ||
729 | shash_destroy(&new_br); | |
730 | } | |
731 | ||
732 | /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct | |
733 | * iface". | |
734 | * | |
735 | * The kernel will reject any attempt to add a given port to a datapath if that | |
736 | * port already belongs to a different datapath, so we must do all port | |
737 | * deletions before any port additions. */ | |
738 | static void | |
739 | bridge_del_ofproto_ports(struct bridge *br) | |
740 | { | |
741 | struct ofproto_port_dump dump; | |
742 | struct ofproto_port ofproto_port; | |
743 | ||
744 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { | |
745 | const char *name = ofproto_port.name; | |
746 | struct iface *iface; | |
747 | const char *type; | |
748 | int error; | |
749 | ||
750 | /* Ignore the local port. We can't change it anyhow. */ | |
751 | if (!strcmp(name, br->name)) { | |
752 | continue; | |
753 | } | |
754 | ||
755 | /* Get the type that 'ofproto_port' should have (ordinarily the | |
756 | * type of its corresponding iface) or NULL if it should be | |
757 | * deleted. */ | |
758 | iface = iface_lookup(br, name); | |
759 | type = (iface ? iface->type | |
760 | : bridge_has_bond_fake_iface(br, name) ? "internal" | |
761 | : NULL); | |
762 | ||
763 | /* If it's the wrong type then delete the ofproto port. */ | |
764 | if (type | |
765 | && !strcmp(ofproto_port.type, type) | |
766 | && (!iface || !iface->netdev | |
767 | || !strcmp(netdev_get_type(iface->netdev), type))) { | |
768 | continue; | |
769 | } | |
770 | error = ofproto_port_del(br->ofproto, ofproto_port.ofp_port); | |
771 | if (error) { | |
772 | VLOG_WARN("bridge %s: failed to remove %s interface (%s)", | |
773 | br->name, name, strerror(error)); | |
774 | } | |
775 | if (iface) { | |
66da9bef BP |
776 | netdev_close(iface->netdev); |
777 | iface->netdev = NULL; | |
778 | } | |
779 | } | |
780 | } | |
781 | ||
782 | static void | |
892815f5 | 783 | iface_set_ofp_port(struct iface *iface, int ofp_port) |
66da9bef BP |
784 | { |
785 | struct bridge *br = iface->port->bridge; | |
786 | ||
892815f5 BP |
787 | assert(iface->ofp_port < 0 && ofp_port >= 0); |
788 | iface->ofp_port = ofp_port; | |
789 | hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0)); | |
66da9bef BP |
790 | |
791 | } | |
792 | ||
793 | static void | |
892815f5 | 794 | bridge_refresh_ofp_port(struct bridge *br) |
66da9bef BP |
795 | { |
796 | struct ofproto_port_dump dump; | |
797 | struct ofproto_port ofproto_port; | |
798 | struct port *port; | |
799 | ||
892815f5 | 800 | /* Clear all the "ofp_port"es. */ |
66da9bef BP |
801 | hmap_clear(&br->ifaces); |
802 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
803 | struct iface *iface; | |
804 | ||
805 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 806 | iface->ofp_port = -1; |
66da9bef BP |
807 | } |
808 | } | |
809 | ||
892815f5 | 810 | /* Obtain the correct "ofp_port"s from ofproto. */ |
66da9bef | 811 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
66da9bef BP |
812 | struct iface *iface = iface_lookup(br, ofproto_port.name); |
813 | if (iface) { | |
892815f5 | 814 | if (iface->ofp_port >= 0) { |
66da9bef BP |
815 | VLOG_WARN("bridge %s: interface %s reported twice", |
816 | br->name, ofproto_port.name); | |
892815f5 | 817 | } else if (iface_from_ofp_port(br, ofproto_port.ofp_port)) { |
66da9bef | 818 | VLOG_WARN("bridge %s: interface %"PRIu16" reported twice", |
892815f5 | 819 | br->name, ofproto_port.ofp_port); |
66da9bef | 820 | } else { |
892815f5 | 821 | iface_set_ofp_port(iface, ofproto_port.ofp_port); |
66da9bef BP |
822 | } |
823 | } | |
824 | } | |
825 | } | |
826 | ||
f79e673f | 827 | /* Add an ofproto port for any "struct iface" that doesn't have one. |
66da9bef BP |
828 | * Delete any "struct iface" for which this fails. |
829 | * Delete any "struct port" that thereby ends up with no ifaces. */ | |
830 | static void | |
831 | bridge_add_ofproto_ports(struct bridge *br) | |
832 | { | |
833 | struct port *port, *next_port; | |
66da9bef BP |
834 | |
835 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { | |
836 | struct iface *iface, *next_iface; | |
892815f5 | 837 | struct ofproto_port ofproto_port; |
66da9bef BP |
838 | |
839 | LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) { | |
840 | struct shash args; | |
841 | int error; | |
842 | ||
843 | /* Open the netdev or reconfigure it. */ | |
844 | shash_init(&args); | |
845 | shash_from_ovs_idl_map(iface->cfg->key_options, | |
846 | iface->cfg->value_options, | |
847 | iface->cfg->n_options, &args); | |
848 | if (!iface->netdev) { | |
849 | struct netdev_options options; | |
850 | options.name = iface->name; | |
851 | options.type = iface->type; | |
852 | options.args = &args; | |
853 | options.ethertype = NETDEV_ETH_TYPE_NONE; | |
854 | error = netdev_open(&options, &iface->netdev); | |
855 | } else { | |
856 | error = netdev_set_config(iface->netdev, &args); | |
857 | } | |
858 | shash_destroy(&args); | |
859 | if (error) { | |
860 | VLOG_WARN("could not %s network device %s (%s)", | |
861 | iface->netdev ? "reconfigure" : "open", | |
862 | iface->name, strerror(error)); | |
863 | } | |
864 | ||
865 | /* Add the port, if necessary. */ | |
892815f5 | 866 | if (iface->netdev && iface->ofp_port < 0) { |
66da9bef BP |
867 | uint16_t ofp_port; |
868 | int error; | |
869 | ||
870 | error = ofproto_port_add(br->ofproto, iface->netdev, | |
871 | &ofp_port); | |
872 | if (!error) { | |
892815f5 | 873 | iface_set_ofp_port(iface, ofp_port); |
66da9bef BP |
874 | } else { |
875 | netdev_close(iface->netdev); | |
876 | iface->netdev = NULL; | |
877 | } | |
878 | } | |
879 | ||
880 | /* Delete the iface if */ | |
892815f5 | 881 | if (iface->netdev && iface->ofp_port >= 0) { |
66da9bef | 882 | VLOG_DBG("bridge %s: interface %s is on port %d", |
892815f5 | 883 | br->name, iface->name, iface->ofp_port); |
66da9bef BP |
884 | } else { |
885 | if (iface->netdev) { | |
886 | VLOG_ERR("bridge %s: missing %s interface, dropping", | |
887 | br->name, iface->name); | |
888 | } else { | |
889 | /* We already reported a related error, don't bother | |
890 | * duplicating it. */ | |
891 | } | |
892 | iface_set_ofport(iface->cfg, -1); | |
893 | iface_destroy(iface); | |
894 | } | |
895 | } | |
896 | if (list_is_empty(&port->ifaces)) { | |
897 | VLOG_WARN("%s port has no interfaces, dropping", port->name); | |
898 | port_destroy(port); | |
899 | continue; | |
900 | } | |
901 | ||
902 | /* Add bond fake iface if necessary. */ | |
903 | if (port_is_bond_fake_iface(port)) { | |
904 | if (ofproto_port_query_by_name(br->ofproto, port->name, | |
905 | &ofproto_port)) { | |
906 | struct netdev_options options; | |
907 | struct netdev *netdev; | |
908 | int error; | |
909 | ||
910 | options.name = port->name; | |
911 | options.type = "internal"; | |
912 | options.args = NULL; | |
913 | options.ethertype = NETDEV_ETH_TYPE_NONE; | |
914 | error = netdev_open(&options, &netdev); | |
915 | if (!error) { | |
916 | ofproto_port_add(br->ofproto, netdev, NULL); | |
917 | netdev_close(netdev); | |
918 | } else { | |
919 | VLOG_WARN("could not open network device %s (%s)", | |
920 | port->name, strerror(error)); | |
921 | } | |
922 | } else { | |
923 | /* Already exists, nothing to do. */ | |
924 | ofproto_port_destroy(&ofproto_port); | |
925 | } | |
892815f5 | 926 | ofproto_port_destroy(&ofproto_port); |
66da9bef BP |
927 | } |
928 | } | |
929 | } | |
930 | ||
093e47f4 | 931 | static const char * |
af6278e1 BP |
932 | get_ovsrec_key_value(const struct ovsdb_idl_row *row, |
933 | const struct ovsdb_idl_column *column, | |
934 | const char *key) | |
093e47f4 | 935 | { |
af6278e1 BP |
936 | const struct ovsdb_datum *datum; |
937 | union ovsdb_atom atom; | |
938 | unsigned int idx; | |
093e47f4 | 939 | |
af6278e1 BP |
940 | datum = ovsdb_idl_get(row, column, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING); |
941 | atom.string = (char *) key; | |
942 | idx = ovsdb_datum_find_key(datum, &atom, OVSDB_TYPE_STRING); | |
943 | return idx == UINT_MAX ? NULL : datum->values[idx].string; | |
064af421 BP |
944 | } |
945 | ||
c8143c88 BP |
946 | static const char * |
947 | bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key) | |
948 | { | |
af6278e1 BP |
949 | return get_ovsrec_key_value(&br_cfg->header_, |
950 | &ovsrec_bridge_col_other_config, key); | |
c8143c88 BP |
951 | } |
952 | ||
064af421 BP |
953 | static void |
954 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 955 | struct iface **hw_addr_iface) |
064af421 | 956 | { |
093e47f4 | 957 | const char *hwaddr; |
8052fb14 | 958 | struct port *port; |
064af421 BP |
959 | int error; |
960 | ||
07c318f4 | 961 | *hw_addr_iface = NULL; |
064af421 BP |
962 | |
963 | /* Did the user request a particular MAC? */ | |
093e47f4 BP |
964 | hwaddr = bridge_get_other_config(br->cfg, "hwaddr"); |
965 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { | |
064af421 BP |
966 | if (eth_addr_is_multicast(ea)) { |
967 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
968 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
969 | } else if (eth_addr_is_zero(ea)) { | |
970 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
971 | } else { | |
972 | return; | |
973 | } | |
974 | } | |
975 | ||
141f4942 BP |
976 | /* Otherwise choose the minimum non-local MAC address among all of the |
977 | * interfaces. */ | |
0b420b10 | 978 | memset(ea, 0xff, ETH_ADDR_LEN); |
8052fb14 | 979 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 980 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 981 | struct iface *candidate; |
58b7527e BP |
982 | struct iface *iface; |
983 | ||
984 | /* Mirror output ports don't participate. */ | |
fa066f01 | 985 | if (ofproto_is_mirror_output_bundle(br->ofproto, port)) { |
064af421 BP |
986 | continue; |
987 | } | |
58b7527e BP |
988 | |
989 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 990 | iface = NULL; |
76343538 | 991 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
992 | /* Find the interface with this Ethernet address (if any) so that |
993 | * we can provide the correct devname to the caller. */ | |
83db7968 | 994 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 995 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 996 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
997 | && eth_addr_equals(iface_ea, candidate_ea)) { |
998 | iface = candidate; | |
999 | } | |
1000 | } | |
58b7527e BP |
1001 | } else { |
1002 | /* Choose the interface whose MAC address will represent the port. | |
1003 | * The Linux kernel bonding code always chooses the MAC address of | |
1004 | * the first slave added to a bond, and the Fedora networking | |
1005 | * scripts always add slaves to a bond in alphabetical order, so | |
1006 | * for compatibility we choose the interface with the name that is | |
1007 | * first in alphabetical order. */ | |
83db7968 BP |
1008 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1009 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1010 | iface = candidate; |
1011 | } | |
1012 | } | |
1013 | ||
1014 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1015 | * MAC address anyway). */ |
892815f5 | 1016 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1017 | continue; |
1018 | } | |
58b7527e BP |
1019 | |
1020 | /* Grab MAC. */ | |
07c318f4 | 1021 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1022 | if (error) { |
064af421 BP |
1023 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
1024 | VLOG_ERR_RL(&rl, "failed to obtain Ethernet address of %s: %s", | |
1025 | iface->name, strerror(error)); | |
58b7527e | 1026 | continue; |
064af421 BP |
1027 | } |
1028 | } | |
58b7527e BP |
1029 | |
1030 | /* Compare against our current choice. */ | |
1031 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1032 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1033 | !eth_addr_is_reserved(iface_ea) && |
1034 | !eth_addr_is_zero(iface_ea) && | |
130f6e5f | 1035 | eth_addr_compare_3way(iface_ea, ea) < 0) |
58b7527e | 1036 | { |
0babc06f | 1037 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1038 | *hw_addr_iface = iface; |
58b7527e | 1039 | } |
064af421 | 1040 | } |
141f4942 | 1041 | if (eth_addr_is_multicast(ea)) { |
064af421 | 1042 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); |
07c318f4 | 1043 | *hw_addr_iface = NULL; |
064af421 BP |
1044 | VLOG_WARN("bridge %s: using default bridge Ethernet " |
1045 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1046 | } else { | |
1047 | VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, | |
1048 | br->name, ETH_ADDR_ARGS(ea)); | |
1049 | } | |
1050 | } | |
1051 | ||
1052 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge | |
1053 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1054 | * an interface on 'br', then that interface must be passed in as |
1055 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1056 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1057 | static uint64_t |
1058 | bridge_pick_datapath_id(struct bridge *br, | |
1059 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1060 | struct iface *hw_addr_iface) |
064af421 BP |
1061 | { |
1062 | /* | |
1063 | * The procedure for choosing a bridge MAC address will, in the most | |
1064 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1065 | * ID. In some special cases, though, multiple bridges will end up with | |
1066 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1067 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1068 | * ID. | |
1069 | * | |
1070 | * Datapath IDs must be unique. It is also very desirable that they be | |
1071 | * stable from one run to the next, so that policy set on a datapath | |
1072 | * "sticks". | |
1073 | */ | |
093e47f4 | 1074 | const char *datapath_id; |
064af421 BP |
1075 | uint64_t dpid; |
1076 | ||
093e47f4 BP |
1077 | datapath_id = bridge_get_other_config(br->cfg, "datapath-id"); |
1078 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { | |
064af421 BP |
1079 | return dpid; |
1080 | } | |
1081 | ||
07c318f4 | 1082 | if (hw_addr_iface) { |
064af421 | 1083 | int vlan; |
b2f17b15 | 1084 | if (!netdev_get_vlan_vid(hw_addr_iface->netdev, &vlan)) { |
064af421 BP |
1085 | /* |
1086 | * A bridge whose MAC address is taken from a VLAN network device | |
1087 | * (that is, a network device created with vconfig(8) or similar | |
1088 | * tool) will have the same MAC address as a bridge on the VLAN | |
1089 | * device's physical network device. | |
1090 | * | |
1091 | * Handle this case by hashing the physical network device MAC | |
1092 | * along with the VLAN identifier. | |
1093 | */ | |
1094 | uint8_t buf[ETH_ADDR_LEN + 2]; | |
1095 | memcpy(buf, bridge_ea, ETH_ADDR_LEN); | |
1096 | buf[ETH_ADDR_LEN] = vlan >> 8; | |
1097 | buf[ETH_ADDR_LEN + 1] = vlan; | |
1098 | return dpid_from_hash(buf, sizeof buf); | |
1099 | } else { | |
1100 | /* | |
1101 | * Assume that this bridge's MAC address is unique, since it | |
1102 | * doesn't fit any of the cases we handle specially. | |
1103 | */ | |
1104 | } | |
1105 | } else { | |
1106 | /* | |
1107 | * A purely internal bridge, that is, one that has no non-virtual | |
1108 | * network devices on it at all, is more difficult because it has no | |
1109 | * natural unique identifier at all. | |
1110 | * | |
1111 | * When the host is a XenServer, we handle this case by hashing the | |
1112 | * host's UUID with the name of the bridge. Names of bridges are | |
1113 | * persistent across XenServer reboots, although they can be reused if | |
1114 | * an internal network is destroyed and then a new one is later | |
1115 | * created, so this is fairly effective. | |
1116 | * | |
1117 | * When the host is not a XenServer, we punt by using a random MAC | |
1118 | * address on each run. | |
1119 | */ | |
1120 | const char *host_uuid = xenserver_get_host_uuid(); | |
1121 | if (host_uuid) { | |
1122 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1123 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1124 | free(combined); | |
1125 | return dpid; | |
1126 | } | |
1127 | } | |
1128 | ||
1129 | return eth_addr_to_uint64(bridge_ea); | |
1130 | } | |
1131 | ||
1132 | static uint64_t | |
1133 | dpid_from_hash(const void *data, size_t n) | |
1134 | { | |
5eccf359 | 1135 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1136 | |
1137 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1138 | sha1_bytes(data, n, hash); |
064af421 BP |
1139 | eth_addr_mark_random(hash); |
1140 | return eth_addr_to_uint64(hash); | |
1141 | } | |
1142 | ||
ea83a2fc | 1143 | static void |
ea763e0e | 1144 | iface_refresh_status(struct iface *iface) |
ea83a2fc | 1145 | { |
ea763e0e EJ |
1146 | struct shash sh; |
1147 | ||
e210037e AE |
1148 | enum netdev_flags flags; |
1149 | uint32_t current; | |
1150 | int64_t bps; | |
1151 | int mtu; | |
1152 | int64_t mtu_64; | |
1153 | int error; | |
1154 | ||
cfea354b BP |
1155 | if (iface_is_synthetic(iface)) { |
1156 | return; | |
1157 | } | |
1158 | ||
ea763e0e EJ |
1159 | shash_init(&sh); |
1160 | ||
1161 | if (!netdev_get_status(iface->netdev, &sh)) { | |
1162 | size_t n; | |
1163 | char **keys, **values; | |
ea83a2fc | 1164 | |
ea763e0e EJ |
1165 | shash_to_ovs_idl_map(&sh, &keys, &values, &n); |
1166 | ovsrec_interface_set_status(iface->cfg, keys, values, n); | |
1167 | ||
1168 | free(keys); | |
1169 | free(values); | |
1170 | } else { | |
1171 | ovsrec_interface_set_status(iface->cfg, NULL, NULL, 0); | |
1172 | } | |
1173 | ||
1174 | shash_destroy_free_data(&sh); | |
e210037e AE |
1175 | |
1176 | error = netdev_get_flags(iface->netdev, &flags); | |
1177 | if (!error) { | |
1178 | ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down"); | |
1179 | } | |
1180 | else { | |
1181 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
1182 | } | |
1183 | ||
1184 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); | |
1185 | if (!error) { | |
1186 | ovsrec_interface_set_duplex(iface->cfg, | |
1187 | netdev_features_is_full_duplex(current) | |
1188 | ? "full" : "half"); | |
1189 | /* warning: uint64_t -> int64_t conversion */ | |
1190 | bps = netdev_features_to_bps(current); | |
1191 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); | |
1192 | } | |
1193 | else { | |
1194 | ovsrec_interface_set_duplex(iface->cfg, NULL); | |
1195 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1196 | } | |
1197 | ||
e210037e | 1198 | ovsrec_interface_set_link_state(iface->cfg, |
0b8024eb | 1199 | iface_get_carrier(iface) ? "up" : "down"); |
e210037e AE |
1200 | |
1201 | error = netdev_get_mtu(iface->netdev, &mtu); | |
f915f1a8 | 1202 | if (!error && mtu != INT_MAX) { |
e210037e AE |
1203 | mtu_64 = mtu; |
1204 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
1205 | } | |
1206 | else { | |
1207 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); | |
1208 | } | |
ea83a2fc EJ |
1209 | } |
1210 | ||
6586adf5 EJ |
1211 | /* Writes 'iface''s CFM statistics to the database. Returns true if anything |
1212 | * changed, false otherwise. */ | |
1213 | static bool | |
b31bcf60 EJ |
1214 | iface_refresh_cfm_stats(struct iface *iface) |
1215 | { | |
b31bcf60 | 1216 | const struct ovsrec_monitor *mon; |
e7934396 | 1217 | const struct cfm *cfm; |
6586adf5 | 1218 | bool changed = false; |
e7934396 | 1219 | size_t i; |
b31bcf60 EJ |
1220 | |
1221 | mon = iface->cfg->monitor; | |
892815f5 | 1222 | cfm = ofproto_port_get_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
1223 | |
1224 | if (!cfm || !mon) { | |
6586adf5 | 1225 | return false; |
b31bcf60 EJ |
1226 | } |
1227 | ||
1228 | for (i = 0; i < mon->n_remote_mps; i++) { | |
1229 | const struct ovsrec_maintenance_point *mp; | |
1230 | const struct remote_mp *rmp; | |
1231 | ||
1232 | mp = mon->remote_mps[i]; | |
1233 | rmp = cfm_get_remote_mp(cfm, mp->mpid); | |
1234 | ||
6586adf5 EJ |
1235 | if (mp->n_fault != 1 || mp->fault[0] != rmp->fault) { |
1236 | ovsrec_maintenance_point_set_fault(mp, &rmp->fault, 1); | |
1237 | changed = true; | |
1238 | } | |
b31bcf60 EJ |
1239 | } |
1240 | ||
6586adf5 EJ |
1241 | if (mon->n_fault != 1 || mon->fault[0] != cfm->fault) { |
1242 | ovsrec_monitor_set_fault(mon, &cfm->fault, 1); | |
1243 | changed = true; | |
1244 | } | |
1245 | ||
1246 | return changed; | |
b31bcf60 EJ |
1247 | } |
1248 | ||
a8172aa3 EJ |
1249 | static bool |
1250 | iface_refresh_lacp_stats(struct iface *iface) | |
1251 | { | |
fa066f01 | 1252 | struct ofproto *ofproto = iface->port->bridge->ofproto; |
fa066f01 | 1253 | int old = iface->cfg->lacp_current ? *iface->cfg->lacp_current : -1; |
892815f5 | 1254 | int new = ofproto_port_is_lacp_current(ofproto, iface->ofp_port); |
a8172aa3 | 1255 | |
fa066f01 BP |
1256 | if (old != new) { |
1257 | bool current = new; | |
1258 | ovsrec_interface_set_lacp_current(iface->cfg, ¤t, new >= 0); | |
a8172aa3 | 1259 | } |
fa066f01 | 1260 | return old != new; |
a8172aa3 EJ |
1261 | } |
1262 | ||
018f1525 BP |
1263 | static void |
1264 | iface_refresh_stats(struct iface *iface) | |
1265 | { | |
1266 | struct iface_stat { | |
1267 | char *name; | |
1268 | int offset; | |
1269 | }; | |
1270 | static const struct iface_stat iface_stats[] = { | |
1271 | { "rx_packets", offsetof(struct netdev_stats, rx_packets) }, | |
1272 | { "tx_packets", offsetof(struct netdev_stats, tx_packets) }, | |
1273 | { "rx_bytes", offsetof(struct netdev_stats, rx_bytes) }, | |
1274 | { "tx_bytes", offsetof(struct netdev_stats, tx_bytes) }, | |
1275 | { "rx_dropped", offsetof(struct netdev_stats, rx_dropped) }, | |
1276 | { "tx_dropped", offsetof(struct netdev_stats, tx_dropped) }, | |
1277 | { "rx_errors", offsetof(struct netdev_stats, rx_errors) }, | |
1278 | { "tx_errors", offsetof(struct netdev_stats, tx_errors) }, | |
1279 | { "rx_frame_err", offsetof(struct netdev_stats, rx_frame_errors) }, | |
1280 | { "rx_over_err", offsetof(struct netdev_stats, rx_over_errors) }, | |
1281 | { "rx_crc_err", offsetof(struct netdev_stats, rx_crc_errors) }, | |
1282 | { "collisions", offsetof(struct netdev_stats, collisions) }, | |
1283 | }; | |
1284 | enum { N_STATS = ARRAY_SIZE(iface_stats) }; | |
1285 | const struct iface_stat *s; | |
1286 | ||
1287 | char *keys[N_STATS]; | |
1288 | int64_t values[N_STATS]; | |
1289 | int n; | |
1290 | ||
1291 | struct netdev_stats stats; | |
1292 | ||
cfea354b BP |
1293 | if (iface_is_synthetic(iface)) { |
1294 | return; | |
1295 | } | |
1296 | ||
018f1525 BP |
1297 | /* Intentionally ignore return value, since errors will set 'stats' to |
1298 | * all-1s, and we will deal with that correctly below. */ | |
1299 | netdev_get_stats(iface->netdev, &stats); | |
1300 | ||
1301 | n = 0; | |
1302 | for (s = iface_stats; s < &iface_stats[N_STATS]; s++) { | |
1303 | uint64_t value = *(uint64_t *) (((char *) &stats) + s->offset); | |
1304 | if (value != UINT64_MAX) { | |
1305 | keys[n] = s->name; | |
1306 | values[n] = value; | |
1307 | n++; | |
1308 | } | |
1309 | } | |
1310 | ||
1311 | ovsrec_interface_set_statistics(iface->cfg, keys, values, n); | |
1312 | } | |
1313 | ||
ce887677 BP |
1314 | static void |
1315 | refresh_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1316 | { | |
1317 | struct ovsdb_datum datum; | |
1318 | struct shash stats; | |
1319 | ||
1320 | shash_init(&stats); | |
1321 | get_system_stats(&stats); | |
1322 | ||
1323 | ovsdb_datum_from_shash(&datum, &stats); | |
1324 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1325 | &datum); | |
1326 | } | |
1327 | ||
bffc0589 AE |
1328 | static inline const char * |
1329 | nx_role_to_str(enum nx_role role) | |
1330 | { | |
1331 | switch (role) { | |
1332 | case NX_ROLE_OTHER: | |
1333 | return "other"; | |
1334 | case NX_ROLE_MASTER: | |
1335 | return "master"; | |
1336 | case NX_ROLE_SLAVE: | |
1337 | return "slave"; | |
1338 | default: | |
1339 | return "*** INVALID ROLE ***"; | |
1340 | } | |
1341 | } | |
1342 | ||
1343 | static void | |
1344 | bridge_refresh_controller_status(const struct bridge *br) | |
1345 | { | |
1346 | struct shash info; | |
1347 | const struct ovsrec_controller *cfg; | |
1348 | ||
1349 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1350 | ||
1351 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { | |
eb9b8307 AE |
1352 | struct ofproto_controller_info *cinfo = |
1353 | shash_find_data(&info, cfg->target); | |
1354 | ||
1355 | if (cinfo) { | |
1356 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
1357 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
1358 | ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys, | |
1359 | (char **) cinfo->pairs.values, | |
1360 | cinfo->pairs.n); | |
1361 | } else { | |
1362 | ovsrec_controller_set_is_connected(cfg, false); | |
1363 | ovsrec_controller_set_role(cfg, NULL); | |
1364 | ovsrec_controller_set_status(cfg, NULL, NULL, 0); | |
1365 | } | |
bffc0589 AE |
1366 | } |
1367 | ||
1368 | ofproto_free_ofproto_controller_info(&info); | |
1369 | } | |
1370 | ||
c5187f17 | 1371 | void |
064af421 BP |
1372 | bridge_run(void) |
1373 | { | |
d54ff998 BP |
1374 | const struct ovsrec_open_vswitch *cfg; |
1375 | ||
c5187f17 | 1376 | bool datapath_destroyed; |
d54ff998 | 1377 | bool database_changed; |
c5187f17 | 1378 | struct bridge *br; |
064af421 | 1379 | |
c5187f17 BP |
1380 | /* Let each bridge do the work that it needs to do. */ |
1381 | datapath_destroyed = false; | |
764072fd | 1382 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa066f01 | 1383 | int error = ofproto_run(br->ofproto); |
064af421 BP |
1384 | if (error) { |
1385 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
1386 | VLOG_ERR_RL(&rl, "bridge %s: datapath was destroyed externally, " | |
1387 | "forcing reconfiguration", br->name); | |
c5187f17 BP |
1388 | datapath_destroyed = true; |
1389 | } | |
1390 | } | |
1391 | ||
1392 | /* (Re)configure if necessary. */ | |
d54ff998 BP |
1393 | database_changed = ovsdb_idl_run(idl); |
1394 | cfg = ovsrec_open_vswitch_first(idl); | |
bf8f2167 | 1395 | |
d6da96ce BP |
1396 | /* Re-configure SSL. We do this on every trip through the main loop, |
1397 | * instead of just when the database changes, because the contents of the | |
1398 | * key and certificate files can change without the database changing. | |
1399 | * | |
1400 | * We do this before bridge_reconfigure() because that function might | |
1401 | * initiate SSL connections and thus requires SSL to be configured. */ | |
1402 | if (cfg && cfg->ssl) { | |
1403 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
1404 | ||
1405 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
1406 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
1407 | } | |
bf8f2167 | 1408 | |
d54ff998 | 1409 | if (database_changed || datapath_destroyed) { |
c5187f17 BP |
1410 | if (cfg) { |
1411 | struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl); | |
1412 | ||
c5187f17 BP |
1413 | bridge_reconfigure(cfg); |
1414 | ||
1415 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
1416 | ovsdb_idl_txn_commit(txn); | |
1417 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
1e0b752d BP |
1418 | } else { |
1419 | /* We still need to reconfigure to avoid dangling pointers to | |
1420 | * now-destroyed ovsrec structures inside bridge data. */ | |
1421 | static const struct ovsrec_open_vswitch null_cfg; | |
1422 | ||
1423 | bridge_reconfigure(&null_cfg); | |
064af421 BP |
1424 | } |
1425 | } | |
018f1525 | 1426 | |
cd0cd65f BP |
1427 | /* Refresh system and interface stats if necessary. */ |
1428 | if (time_msec() >= stats_timer) { | |
ce887677 BP |
1429 | if (cfg) { |
1430 | struct ovsdb_idl_txn *txn; | |
018f1525 | 1431 | |
ce887677 | 1432 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 1433 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 1434 | struct port *port; |
018f1525 | 1435 | |
8052fb14 | 1436 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 1437 | struct iface *iface; |
018f1525 | 1438 | |
83db7968 | 1439 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 | 1440 | iface_refresh_stats(iface); |
ea763e0e | 1441 | iface_refresh_status(iface); |
ce887677 | 1442 | } |
018f1525 | 1443 | } |
bffc0589 | 1444 | bridge_refresh_controller_status(br); |
018f1525 | 1445 | } |
ce887677 BP |
1446 | refresh_system_stats(cfg); |
1447 | ovsdb_idl_txn_commit(txn); | |
1448 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 1449 | } |
018f1525 | 1450 | |
cd0cd65f | 1451 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 1452 | } |
6586adf5 | 1453 | |
815cd583 | 1454 | if (time_msec() >= db_limiter) { |
6586adf5 EJ |
1455 | struct ovsdb_idl_txn *txn; |
1456 | bool changed = false; | |
1457 | ||
1458 | txn = ovsdb_idl_txn_create(idl); | |
764072fd | 1459 | HMAP_FOR_EACH (br, node, &all_bridges) { |
6586adf5 EJ |
1460 | struct port *port; |
1461 | ||
1462 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1463 | struct iface *iface; | |
1464 | ||
1465 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
1466 | changed = iface_refresh_cfm_stats(iface) || changed; | |
a8172aa3 | 1467 | changed = iface_refresh_lacp_stats(iface) || changed; |
6586adf5 EJ |
1468 | } |
1469 | } | |
1470 | } | |
1471 | ||
1472 | if (changed) { | |
815cd583 | 1473 | db_limiter = time_msec() + DB_LIMIT_INTERVAL; |
6586adf5 EJ |
1474 | } |
1475 | ||
1476 | ovsdb_idl_txn_commit(txn); | |
1477 | ovsdb_idl_txn_destroy(txn); | |
1478 | } | |
064af421 BP |
1479 | } |
1480 | ||
1481 | void | |
1482 | bridge_wait(void) | |
1483 | { | |
1484 | struct bridge *br; | |
1485 | ||
764072fd | 1486 | HMAP_FOR_EACH (br, node, &all_bridges) { |
064af421 | 1487 | ofproto_wait(br->ofproto); |
064af421 | 1488 | } |
c5187f17 | 1489 | ovsdb_idl_wait(idl); |
cd0cd65f | 1490 | poll_timer_wait_until(stats_timer); |
6586adf5 | 1491 | |
815cd583 EJ |
1492 | if (db_limiter > time_msec()) { |
1493 | poll_timer_wait_until(db_limiter); | |
6586adf5 | 1494 | } |
064af421 | 1495 | } |
8c4c1387 | 1496 | \f |
20c8e971 EJ |
1497 | /* CFM unixctl user interface functions. */ |
1498 | static void | |
1499 | cfm_unixctl_show(struct unixctl_conn *conn, | |
1500 | const char *args, void *aux OVS_UNUSED) | |
1501 | { | |
1502 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1503 | struct iface *iface; | |
1504 | const struct cfm *cfm; | |
1505 | ||
1506 | iface = iface_find(args); | |
1507 | if (!iface) { | |
1508 | unixctl_command_reply(conn, 501, "no such interface"); | |
1509 | return; | |
1510 | } | |
1511 | ||
892815f5 | 1512 | cfm = ofproto_port_get_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
20c8e971 EJ |
1513 | |
1514 | if (!cfm) { | |
1515 | unixctl_command_reply(conn, 501, "CFM not enabled"); | |
1516 | return; | |
1517 | } | |
1518 | ||
1519 | cfm_dump_ds(cfm, &ds); | |
1520 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1521 | ds_destroy(&ds); | |
1522 | } | |
1523 | \f | |
e8fe3026 EJ |
1524 | /* QoS unixctl user interface functions. */ |
1525 | ||
1526 | struct qos_unixctl_show_cbdata { | |
1527 | struct ds *ds; | |
1528 | struct iface *iface; | |
1529 | }; | |
1530 | ||
1531 | static void | |
1532 | qos_unixctl_show_cb(unsigned int queue_id, | |
1533 | const struct shash *details, | |
1534 | void *aux) | |
1535 | { | |
1536 | struct qos_unixctl_show_cbdata *data = aux; | |
1537 | struct ds *ds = data->ds; | |
1538 | struct iface *iface = data->iface; | |
1539 | struct netdev_queue_stats stats; | |
1540 | struct shash_node *node; | |
1541 | int error; | |
1542 | ||
1543 | ds_put_cstr(ds, "\n"); | |
1544 | if (queue_id) { | |
1545 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
1546 | } else { | |
1547 | ds_put_cstr(ds, "Default:\n"); | |
1548 | } | |
1549 | ||
1550 | SHASH_FOR_EACH (node, details) { | |
1551 | ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data); | |
1552 | } | |
1553 | ||
1554 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
1555 | if (!error) { | |
1556 | if (stats.tx_packets != UINT64_MAX) { | |
1557 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
1558 | } | |
1559 | ||
1560 | if (stats.tx_bytes != UINT64_MAX) { | |
1561 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
1562 | } | |
1563 | ||
1564 | if (stats.tx_errors != UINT64_MAX) { | |
1565 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
1566 | } | |
1567 | } else { | |
1568 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
1569 | queue_id, strerror(error)); | |
1570 | } | |
1571 | } | |
1572 | ||
1573 | static void | |
1574 | qos_unixctl_show(struct unixctl_conn *conn, | |
1575 | const char *args, void *aux OVS_UNUSED) | |
1576 | { | |
1577 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1578 | struct shash sh = SHASH_INITIALIZER(&sh); | |
1579 | struct iface *iface; | |
1580 | const char *type; | |
1581 | struct shash_node *node; | |
1582 | struct qos_unixctl_show_cbdata data; | |
1583 | int error; | |
1584 | ||
1585 | iface = iface_find(args); | |
1586 | if (!iface) { | |
1587 | unixctl_command_reply(conn, 501, "no such interface"); | |
1588 | return; | |
1589 | } | |
1590 | ||
1591 | netdev_get_qos(iface->netdev, &type, &sh); | |
1592 | ||
1593 | if (*type != '\0') { | |
1594 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
1595 | ||
1596 | SHASH_FOR_EACH (node, &sh) { | |
1597 | ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data); | |
1598 | } | |
1599 | ||
1600 | data.ds = &ds; | |
1601 | data.iface = iface; | |
1602 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
1603 | ||
1604 | if (error) { | |
1605 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
1606 | } | |
1607 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1608 | } else { | |
1609 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
1610 | unixctl_command_reply(conn, 501, ds_cstr(&ds)); | |
1611 | } | |
1612 | ||
1613 | shash_destroy_free_data(&sh); | |
1614 | ds_destroy(&ds); | |
1615 | } | |
1616 | \f | |
064af421 | 1617 | /* Bridge reconfiguration functions. */ |
66da9bef | 1618 | static void |
1a6f1e2a | 1619 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
1620 | { |
1621 | struct bridge *br; | |
064af421 | 1622 | |
1a6f1e2a | 1623 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 1624 | br = xzalloc(sizeof *br); |
064af421 | 1625 | |
1a6f1e2a | 1626 | br->name = xstrdup(br_cfg->name); |
f79e673f | 1627 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 1628 | br->cfg = br_cfg; |
70150daf | 1629 | eth_addr_nicira_random(br->default_ea); |
064af421 | 1630 | |
8052fb14 | 1631 | hmap_init(&br->ports); |
d9a8717a | 1632 | hmap_init(&br->ifaces); |
ebea37cc | 1633 | hmap_init(&br->iface_by_name); |
fa066f01 | 1634 | hmap_init(&br->mirrors); |
064af421 | 1635 | |
764072fd | 1636 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
1637 | } |
1638 | ||
1639 | static void | |
1640 | bridge_destroy(struct bridge *br) | |
1641 | { | |
1642 | if (br) { | |
fa066f01 BP |
1643 | struct mirror *mirror, *next_mirror; |
1644 | struct port *port, *next_port; | |
064af421 | 1645 | |
fa066f01 | 1646 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 1647 | port_destroy(port); |
064af421 | 1648 | } |
fa066f01 BP |
1649 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
1650 | mirror_destroy(mirror); | |
f76e2dfc | 1651 | } |
764072fd | 1652 | hmap_remove(&all_bridges, &br->node); |
66da9bef | 1653 | ofproto_destroy(br->ofproto); |
d9a8717a | 1654 | hmap_destroy(&br->ifaces); |
8052fb14 | 1655 | hmap_destroy(&br->ports); |
ebea37cc | 1656 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 1657 | hmap_destroy(&br->mirrors); |
064af421 | 1658 | free(br->name); |
66da9bef | 1659 | free(br->type); |
064af421 BP |
1660 | free(br); |
1661 | } | |
1662 | } | |
1663 | ||
1664 | static struct bridge * | |
1665 | bridge_lookup(const char *name) | |
1666 | { | |
1667 | struct bridge *br; | |
1668 | ||
764072fd | 1669 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
1670 | if (!strcmp(br->name, name)) { |
1671 | return br; | |
1672 | } | |
1673 | } | |
1674 | return NULL; | |
1675 | } | |
1676 | ||
4f2cad2c JP |
1677 | /* Handle requests for a listing of all flows known by the OpenFlow |
1678 | * stack, including those normally hidden. */ | |
1679 | static void | |
8ca79daa | 1680 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, |
c69ee87c | 1681 | const char *args, void *aux OVS_UNUSED) |
4f2cad2c JP |
1682 | { |
1683 | struct bridge *br; | |
1684 | struct ds results; | |
d295e8e9 | 1685 | |
4f2cad2c JP |
1686 | br = bridge_lookup(args); |
1687 | if (!br) { | |
1688 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1689 | return; | |
1690 | } | |
1691 | ||
1692 | ds_init(&results); | |
1693 | ofproto_get_all_flows(br->ofproto, &results); | |
1694 | ||
1695 | unixctl_command_reply(conn, 200, ds_cstr(&results)); | |
1696 | ds_destroy(&results); | |
1697 | } | |
1698 | ||
fa05809b BP |
1699 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
1700 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
1701 | * drop their controller connections and reconnect. */ | |
1702 | static void | |
1703 | bridge_unixctl_reconnect(struct unixctl_conn *conn, | |
1704 | const char *args, void *aux OVS_UNUSED) | |
1705 | { | |
1706 | struct bridge *br; | |
1707 | if (args[0] != '\0') { | |
1708 | br = bridge_lookup(args); | |
1709 | if (!br) { | |
1710 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1711 | return; | |
1712 | } | |
1713 | ofproto_reconnect_controllers(br->ofproto); | |
1714 | } else { | |
764072fd | 1715 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
1716 | ofproto_reconnect_controllers(br->ofproto); |
1717 | } | |
1718 | } | |
1719 | unixctl_command_reply(conn, 200, NULL); | |
1720 | } | |
1721 | ||
76ce9432 | 1722 | static size_t |
1a048029 | 1723 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 1724 | struct ovsrec_controller ***controllersp) |
064af421 | 1725 | { |
76ce9432 BP |
1726 | struct ovsrec_controller **controllers; |
1727 | size_t n_controllers; | |
064af421 | 1728 | |
1a048029 JP |
1729 | controllers = br->cfg->controller; |
1730 | n_controllers = br->cfg->n_controller; | |
76343538 | 1731 | |
76ce9432 BP |
1732 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
1733 | controllers = NULL; | |
1734 | n_controllers = 0; | |
064af421 | 1735 | } |
76343538 | 1736 | |
76ce9432 BP |
1737 | if (controllersp) { |
1738 | *controllersp = controllers; | |
1739 | } | |
1740 | return n_controllers; | |
064af421 BP |
1741 | } |
1742 | ||
66da9bef BP |
1743 | /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match |
1744 | * those configured in 'br->cfg'. */ | |
064af421 | 1745 | static void |
66da9bef | 1746 | bridge_add_del_ports(struct bridge *br) |
064af421 | 1747 | { |
8052fb14 | 1748 | struct port *port, *next; |
76343538 | 1749 | struct shash_node *node; |
8052fb14 | 1750 | struct shash new_ports; |
6ae39834 | 1751 | size_t i; |
064af421 | 1752 | |
064af421 | 1753 | /* Collect new ports. */ |
76343538 BP |
1754 | shash_init(&new_ports); |
1755 | for (i = 0; i < br->cfg->n_ports; i++) { | |
1756 | const char *name = br->cfg->ports[i]->name; | |
1757 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
1758 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
1759 | br->name, name); | |
1760 | } | |
1761 | } | |
b5827b24 BP |
1762 | if (bridge_get_controllers(br, NULL) |
1763 | && !shash_find(&new_ports, br->name)) { | |
cfea354b BP |
1764 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
1765 | br->name, br->name); | |
72865317 | 1766 | |
cfea354b BP |
1767 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
1768 | br->synth_local_port.n_interfaces = 1; | |
1769 | br->synth_local_port.name = br->name; | |
1770 | ||
1771 | br->synth_local_iface.name = br->name; | |
66da9bef | 1772 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
1773 | |
1774 | br->synth_local_ifacep = &br->synth_local_iface; | |
1775 | ||
1776 | shash_add(&new_ports, br->name, &br->synth_local_port); | |
064af421 | 1777 | } |
064af421 | 1778 | |
4a1ee6ae | 1779 | /* Get rid of deleted ports. |
66da9bef BP |
1780 | * Get rid of deleted interfaces on ports that still exist. |
1781 | * Update 'cfg' of ports that still exist. */ | |
8052fb14 | 1782 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
66da9bef BP |
1783 | port->cfg = shash_find_data(&new_ports, port->name); |
1784 | if (!port->cfg) { | |
4a1ee6ae BP |
1785 | port_destroy(port); |
1786 | } else { | |
66da9bef | 1787 | port_del_ifaces(port); |
064af421 BP |
1788 | } |
1789 | } | |
4a1ee6ae BP |
1790 | |
1791 | /* Create new ports. | |
66da9bef | 1792 | * Add new interfaces to existing ports. */ |
76343538 | 1793 | SHASH_FOR_EACH (node, &new_ports) { |
8052fb14 | 1794 | struct port *port = port_lookup(br, node->name); |
76343538 | 1795 | if (!port) { |
66da9bef BP |
1796 | struct ovsrec_port *cfg = node->data; |
1797 | port = port_create(br, cfg); | |
064af421 | 1798 | } |
66da9bef | 1799 | port_add_ifaces(port); |
402f2858 | 1800 | if (list_is_empty(&port->ifaces)) { |
ceb4559f JG |
1801 | VLOG_WARN("bridge %s: port %s has no interfaces, dropping", |
1802 | br->name, port->name); | |
1803 | port_destroy(port); | |
1804 | } | |
064af421 | 1805 | } |
76343538 | 1806 | shash_destroy(&new_ports); |
064af421 BP |
1807 | } |
1808 | ||
7d674866 BP |
1809 | /* Initializes 'oc' appropriately as a management service controller for |
1810 | * 'br'. | |
1811 | * | |
1812 | * The caller must free oc->target when it is no longer needed. */ | |
1813 | static void | |
1814 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
1815 | struct ofproto_controller *oc) | |
1816 | { | |
b43c6fe2 | 1817 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
1818 | oc->max_backoff = 0; |
1819 | oc->probe_interval = 60; | |
1820 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
1821 | oc->rate_limit = 0; |
1822 | oc->burst_limit = 0; | |
1823 | } | |
1824 | ||
1825 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
1826 | static void | |
1827 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
1828 | struct ofproto_controller *oc) | |
1829 | { | |
1830 | oc->target = c->target; | |
1831 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
1832 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
1833 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
1834 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
1835 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
1836 | oc->burst_limit = (c->controller_burst_limit | |
1837 | ? *c->controller_burst_limit : 0); | |
1838 | } | |
1839 | ||
1840 | /* Configures the IP stack for 'br''s local interface properly according to the | |
1841 | * configuration in 'c'. */ | |
1842 | static void | |
1843 | bridge_configure_local_iface_netdev(struct bridge *br, | |
1844 | struct ovsrec_controller *c) | |
1845 | { | |
1846 | struct netdev *netdev; | |
1847 | struct in_addr mask, gateway; | |
1848 | ||
1849 | struct iface *local_iface; | |
1850 | struct in_addr ip; | |
1851 | ||
7d674866 | 1852 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 1853 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
7d674866 BP |
1854 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { |
1855 | return; | |
1856 | } | |
1857 | ||
1858 | /* Bring up the local interface. */ | |
1859 | netdev = local_iface->netdev; | |
1860 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
1861 | ||
1862 | /* Configure the IP address and netmask. */ | |
1863 | if (!c->local_netmask | |
1864 | || !inet_aton(c->local_netmask, &mask) | |
1865 | || !mask.s_addr) { | |
1866 | mask.s_addr = guess_netmask(ip.s_addr); | |
1867 | } | |
1868 | if (!netdev_set_in4(netdev, ip, mask)) { | |
1869 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
1870 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
1871 | } | |
1872 | ||
1873 | /* Configure the default gateway. */ | |
1874 | if (c->local_gateway | |
1875 | && inet_aton(c->local_gateway, &gateway) | |
1876 | && gateway.s_addr) { | |
1877 | if (!netdev_add_router(netdev, gateway)) { | |
1878 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
1879 | br->name, IP_ARGS(&gateway.s_addr)); | |
1880 | } | |
1881 | } | |
1882 | } | |
1883 | ||
064af421 | 1884 | static void |
fa066f01 BP |
1885 | bridge_configure_remotes(struct bridge *br, |
1886 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 1887 | { |
b1da6250 BP |
1888 | const char *disable_ib_str, *queue_id_str; |
1889 | bool disable_in_band = false; | |
1890 | int queue_id; | |
1891 | ||
76ce9432 BP |
1892 | struct ovsrec_controller **controllers; |
1893 | size_t n_controllers; | |
7d674866 | 1894 | |
66da9bef BP |
1895 | enum ofproto_fail_mode fail_mode; |
1896 | ||
7d674866 BP |
1897 | struct ofproto_controller *ocs; |
1898 | size_t n_ocs; | |
1899 | size_t i; | |
064af421 | 1900 | |
8731b2b6 JP |
1901 | /* Check if we should disable in-band control on this bridge. */ |
1902 | disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band"); | |
1903 | if (disable_ib_str && !strcmp(disable_ib_str, "true")) { | |
1904 | disable_in_band = true; | |
1905 | } | |
1906 | ||
b1da6250 BP |
1907 | /* Set OpenFlow queue ID for in-band control. */ |
1908 | queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue"); | |
1909 | queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1; | |
1910 | ofproto_set_in_band_queue(br->ofproto, queue_id); | |
1911 | ||
8731b2b6 JP |
1912 | if (disable_in_band) { |
1913 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
1914 | } else { | |
1915 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
1916 | } | |
cd11000b | 1917 | |
1a048029 | 1918 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 1919 | |
7d674866 BP |
1920 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
1921 | n_ocs = 0; | |
064af421 | 1922 | |
7d674866 BP |
1923 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
1924 | for (i = 0; i < n_controllers; i++) { | |
1925 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 1926 | |
7d674866 BP |
1927 | if (!strncmp(c->target, "punix:", 6) |
1928 | || !strncmp(c->target, "unix:", 5)) { | |
1929 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
76ce9432 | 1930 | |
7d674866 BP |
1931 | /* Prevent remote ovsdb-server users from accessing arbitrary Unix |
1932 | * domain sockets and overwriting arbitrary local files. */ | |
be6255a8 BP |
1933 | VLOG_ERR_RL(&rl, "bridge %s: not adding Unix domain socket " |
1934 | "controller \"%s\" due to possibility for remote " | |
1935 | "exploit", br->name, c->target); | |
7d674866 BP |
1936 | continue; |
1937 | } | |
76ce9432 | 1938 | |
7d674866 | 1939 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
1940 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
1941 | if (disable_in_band) { | |
1942 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
1943 | } | |
1944 | n_ocs++; | |
7d674866 | 1945 | } |
76ce9432 | 1946 | |
7d674866 BP |
1947 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
1948 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
1949 | free(ocs); | |
66da9bef BP |
1950 | |
1951 | /* Set the fail-mode. */ | |
1952 | fail_mode = !br->cfg->fail_mode | |
1953 | || !strcmp(br->cfg->fail_mode, "standalone") | |
1954 | ? OFPROTO_FAIL_STANDALONE | |
1955 | : OFPROTO_FAIL_SECURE; | |
1956 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
1957 | ||
1958 | /* Configure OpenFlow controller connection snooping. */ | |
1959 | if (!ofproto_has_snoops(br->ofproto)) { | |
1960 | struct sset snoops; | |
1961 | ||
1962 | sset_init(&snoops); | |
1963 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
1964 | ovs_rundir(), br->name)); | |
1965 | ofproto_set_snoops(br->ofproto, &snoops); | |
1966 | sset_destroy(&snoops); | |
1967 | } | |
064af421 | 1968 | } |
064af421 | 1969 | \f |
fa066f01 | 1970 | /* Port functions. */ |
064af421 | 1971 | |
fa066f01 BP |
1972 | static struct port * |
1973 | port_create(struct bridge *br, const struct ovsrec_port *cfg) | |
064af421 | 1974 | { |
fa066f01 | 1975 | struct port *port; |
207079c4 | 1976 | |
fa066f01 BP |
1977 | port = xzalloc(sizeof *port); |
1978 | port->bridge = br; | |
1979 | port->name = xstrdup(cfg->name); | |
1980 | port->cfg = cfg; | |
1981 | list_init(&port->ifaces); | |
d55c2566 | 1982 | |
fa066f01 | 1983 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); |
064af421 | 1984 | |
fa066f01 | 1985 | VLOG_INFO("created port %s on bridge %s", port->name, br->name); |
064af421 | 1986 | |
fa066f01 | 1987 | return port; |
0c62a7ad BP |
1988 | } |
1989 | ||
fa066f01 BP |
1990 | static const char * |
1991 | get_port_other_config(const struct ovsrec_port *port, const char *key, | |
1992 | const char *default_value) | |
0c62a7ad | 1993 | { |
fa066f01 | 1994 | const char *value; |
0c62a7ad | 1995 | |
fa066f01 BP |
1996 | value = get_ovsrec_key_value(&port->header_, &ovsrec_port_col_other_config, |
1997 | key); | |
1998 | return value ? value : default_value; | |
1999 | } | |
0c62a7ad | 2000 | |
fa066f01 BP |
2001 | static const char * |
2002 | get_interface_other_config(const struct ovsrec_interface *iface, | |
2003 | const char *key, const char *default_value) | |
2004 | { | |
2005 | const char *value; | |
0c62a7ad | 2006 | |
fa066f01 BP |
2007 | value = get_ovsrec_key_value(&iface->header_, |
2008 | &ovsrec_interface_col_other_config, key); | |
2009 | return value ? value : default_value; | |
0c62a7ad BP |
2010 | } |
2011 | ||
fa066f01 | 2012 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
0c62a7ad | 2013 | static void |
fa066f01 | 2014 | port_del_ifaces(struct port *port) |
0c62a7ad | 2015 | { |
fa066f01 BP |
2016 | struct iface *iface, *next; |
2017 | struct sset new_ifaces; | |
2018 | size_t i; | |
2019 | ||
2020 | /* Collect list of new interfaces. */ | |
2021 | sset_init(&new_ifaces); | |
2022 | for (i = 0; i < port->cfg->n_interfaces; i++) { | |
2023 | const char *name = port->cfg->interfaces[i]->name; | |
00794817 BP |
2024 | const char *type = port->cfg->interfaces[i]->name; |
2025 | if (strcmp(type, "null")) { | |
2026 | sset_add(&new_ifaces, name); | |
2027 | } | |
0c62a7ad | 2028 | } |
0c62a7ad | 2029 | |
fa066f01 BP |
2030 | /* Get rid of deleted interfaces. */ |
2031 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
2032 | if (!sset_contains(&new_ifaces, iface->name)) { | |
2033 | iface_destroy(iface); | |
064af421 BP |
2034 | } |
2035 | } | |
064af421 | 2036 | |
fa066f01 | 2037 | sset_destroy(&new_ifaces); |
064af421 BP |
2038 | } |
2039 | ||
fa066f01 BP |
2040 | /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of |
2041 | * existing ones. */ | |
2042 | static void | |
2043 | port_add_ifaces(struct port *port) | |
a4e2e1f2 | 2044 | { |
fa066f01 BP |
2045 | struct shash new_ifaces; |
2046 | struct shash_node *node; | |
2047 | size_t i; | |
a4e2e1f2 | 2048 | |
fa066f01 BP |
2049 | /* Collect new ifaces. */ |
2050 | shash_init(&new_ifaces); | |
2051 | for (i = 0; i < port->cfg->n_interfaces; i++) { | |
2052 | const struct ovsrec_interface *cfg = port->cfg->interfaces[i]; | |
00794817 BP |
2053 | if (strcmp(cfg->type, "null") |
2054 | && !shash_add_once(&new_ifaces, cfg->name, cfg)) { | |
fa066f01 BP |
2055 | VLOG_WARN("port %s: %s specified twice as port interface", |
2056 | port->name, cfg->name); | |
2057 | iface_set_ofport(cfg, -1); | |
a4e2e1f2 EJ |
2058 | } |
2059 | } | |
66642cb4 | 2060 | |
fa066f01 BP |
2061 | /* Create new interfaces. |
2062 | * Update interface types and 'cfg' members. */ | |
2063 | SHASH_FOR_EACH (node, &new_ifaces) { | |
2064 | const struct ovsrec_interface *cfg = node->data; | |
2065 | const char *iface_name = node->name; | |
2066 | struct iface *iface; | |
8052fb14 | 2067 | |
fa066f01 BP |
2068 | iface = iface_lookup(port->bridge, iface_name); |
2069 | if (!iface) { | |
2070 | iface = iface_create(port, cfg); | |
2071 | } else { | |
2072 | iface->cfg = cfg; | |
064af421 | 2073 | } |
fa066f01 BP |
2074 | |
2075 | /* Determine interface type. The local port always has type | |
2076 | * "internal". Other ports take their type from the database and | |
2077 | * default to "system" if none is specified. */ | |
2078 | iface->type = (!strcmp(iface_name, port->bridge->name) ? "internal" | |
2079 | : cfg->type[0] ? cfg->type | |
2080 | : "system"); | |
c38e3405 | 2081 | } |
fa066f01 | 2082 | shash_destroy(&new_ifaces); |
c38e3405 BP |
2083 | } |
2084 | ||
2085 | static void | |
fa066f01 | 2086 | port_destroy(struct port *port) |
c38e3405 | 2087 | { |
fa066f01 BP |
2088 | if (port) { |
2089 | struct bridge *br = port->bridge; | |
2090 | struct iface *iface, *next; | |
c38e3405 | 2091 | |
fa066f01 BP |
2092 | if (br->ofproto) { |
2093 | ofproto_bundle_unregister(br->ofproto, port); | |
2094 | } | |
c38e3405 | 2095 | |
fa066f01 BP |
2096 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2097 | iface_destroy(iface); | |
2098 | } | |
064af421 | 2099 | |
fa066f01 | 2100 | hmap_remove(&br->ports, &port->hmap_node); |
c38e3405 | 2101 | |
fa066f01 | 2102 | VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name); |
8052fb14 | 2103 | |
fa066f01 BP |
2104 | free(port->name); |
2105 | free(port); | |
064af421 | 2106 | } |
064af421 BP |
2107 | } |
2108 | ||
fa066f01 BP |
2109 | static struct port * |
2110 | port_lookup(const struct bridge *br, const char *name) | |
2111 | { | |
2112 | struct port *port; | |
2113 | ||
2114 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
2115 | &br->ports) { | |
2116 | if (!strcmp(port->name, name)) { | |
2117 | return port; | |
8052fb14 BP |
2118 | } |
2119 | } | |
2120 | return NULL; | |
064af421 BP |
2121 | } |
2122 | ||
7a673515 BP |
2123 | static bool |
2124 | enable_lacp(struct port *port, bool *activep) | |
2125 | { | |
2126 | if (!port->cfg->lacp) { | |
2127 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
2128 | * default and make active on bonded ports. */ | |
2129 | return false; | |
2130 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
2131 | return false; | |
2132 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
2133 | *activep = true; | |
2134 | return true; | |
2135 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
2136 | *activep = false; | |
2137 | return true; | |
2138 | } else { | |
2139 | VLOG_WARN("port %s: unknown LACP mode %s", | |
2140 | port->name, port->cfg->lacp); | |
2141 | return false; | |
2142 | } | |
2143 | } | |
2144 | ||
fa066f01 BP |
2145 | static struct lacp_settings * |
2146 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 2147 | { |
cdcf42c6 EJ |
2148 | const char *lacp_time; |
2149 | long long int custom_time; | |
b5a25389 | 2150 | int priority; |
5827ce14 | 2151 | |
fa066f01 BP |
2152 | if (!enable_lacp(port, &s->active)) { |
2153 | return NULL; | |
abd4a95d EJ |
2154 | } |
2155 | ||
fa066f01 BP |
2156 | s->name = port->name; |
2157 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); | |
b5a25389 BP |
2158 | |
2159 | /* Prefer bondable links if unspecified. */ | |
2160 | priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority", | |
2161 | "0")); | |
fa066f01 BP |
2162 | s->priority = (priority > 0 && priority <= UINT16_MAX |
2163 | ? priority | |
2164 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 2165 | |
00794817 BP |
2166 | s->heartbeat = !strcmp(get_port_other_config(port->cfg, |
2167 | "lacp-heartbeat", | |
2168 | "false"), "true"); | |
b5a25389 | 2169 | |
5827ce14 | 2170 | |
cdcf42c6 EJ |
2171 | lacp_time = get_port_other_config(port->cfg, "lacp-time", "slow"); |
2172 | custom_time = atoi(lacp_time); | |
2173 | if (!strcmp(lacp_time, "fast")) { | |
fa066f01 | 2174 | s->lacp_time = LACP_TIME_FAST; |
cdcf42c6 | 2175 | } else if (!strcmp(lacp_time, "slow")) { |
fa066f01 | 2176 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 | 2177 | } else if (custom_time > 0) { |
fa066f01 BP |
2178 | s->lacp_time = LACP_TIME_CUSTOM; |
2179 | s->custom_time = custom_time; | |
cdcf42c6 | 2180 | } else { |
fa066f01 | 2181 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 EJ |
2182 | } |
2183 | ||
fa066f01 BP |
2184 | return s; |
2185 | } | |
5827ce14 | 2186 | |
fa066f01 BP |
2187 | static void |
2188 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
2189 | { | |
00794817 | 2190 | int priority, portid, key; |
5827ce14 | 2191 | |
fa066f01 BP |
2192 | portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0")); |
2193 | priority = atoi(get_interface_other_config(iface->cfg, | |
2194 | "lacp-port-priority", "0")); | |
00794817 BP |
2195 | key = atoi(get_interface_other_config(iface->cfg, "lacp-aggregation-key", |
2196 | "0")); | |
fa066f01 BP |
2197 | |
2198 | if (portid <= 0 || portid > UINT16_MAX) { | |
892815f5 | 2199 | portid = iface->ofp_port; |
5827ce14 | 2200 | } |
fa066f01 BP |
2201 | |
2202 | if (priority <= 0 || priority > UINT16_MAX) { | |
2203 | priority = UINT16_MAX; | |
2204 | } | |
2205 | ||
00794817 BP |
2206 | if (key < 0 || key > UINT16_MAX) { |
2207 | key = 0; | |
5827ce14 | 2208 | } |
00794817 | 2209 | |
fa066f01 | 2210 | s->name = iface->name; |
fa066f01 BP |
2211 | s->id = portid; |
2212 | s->priority = priority; | |
00794817 | 2213 | s->key = key; |
bb5bc6c0 BP |
2214 | } |
2215 | ||
c25c91fd | 2216 | static void |
fa066f01 | 2217 | port_configure_bond(struct port *port, struct bond_settings *s) |
c25c91fd | 2218 | { |
f620b43a | 2219 | const char *detect_s; |
c25c91fd | 2220 | |
fa066f01 BP |
2221 | s->name = port->name; |
2222 | s->balance = BM_SLB; | |
f620b43a | 2223 | if (port->cfg->bond_mode |
fa066f01 | 2224 | && !bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { |
f620b43a BP |
2225 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", |
2226 | port->name, port->cfg->bond_mode, | |
fa066f01 | 2227 | bond_mode_to_string(s->balance)); |
f620b43a | 2228 | } |
bb5bc6c0 | 2229 | |
fa066f01 | 2230 | s->detect = BLSM_CARRIER; |
f620b43a | 2231 | detect_s = get_port_other_config(port->cfg, "bond-detect-mode", NULL); |
fa066f01 | 2232 | if (detect_s && !bond_detect_mode_from_string(&s->detect, detect_s)) { |
f620b43a BP |
2233 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " |
2234 | "defaulting to %s", | |
fa066f01 | 2235 | port->name, detect_s, bond_detect_mode_to_string(s->detect)); |
f620b43a BP |
2236 | } |
2237 | ||
fa066f01 | 2238 | s->miimon_interval = atoi( |
f620b43a | 2239 | get_port_other_config(port->cfg, "bond-miimon-interval", "200")); |
fa066f01 BP |
2240 | if (s->miimon_interval < 100) { |
2241 | s->miimon_interval = 100; | |
f620b43a BP |
2242 | } |
2243 | ||
fa066f01 BP |
2244 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
2245 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
00794817 | 2246 | s->basis = atoi(get_port_other_config(port->cfg, "bond-hash-basis", "0")); |
fa066f01 | 2247 | s->rebalance_interval = atoi( |
f620b43a | 2248 | get_port_other_config(port->cfg, "bond-rebalance-interval", "10000")); |
fa066f01 BP |
2249 | if (s->rebalance_interval < 1000) { |
2250 | s->rebalance_interval = 1000; | |
7a673515 BP |
2251 | } |
2252 | ||
fa066f01 | 2253 | s->fake_iface = port->cfg->bond_fake_iface; |
064af421 | 2254 | } |
064af421 BP |
2255 | \f |
2256 | /* Interface functions. */ | |
2257 | ||
76343538 | 2258 | static struct iface * |
a740f0de | 2259 | iface_create(struct port *port, const struct ovsrec_interface *if_cfg) |
064af421 | 2260 | { |
4a1ee6ae | 2261 | struct bridge *br = port->bridge; |
064af421 | 2262 | struct iface *iface; |
a740f0de | 2263 | char *name = if_cfg->name; |
064af421 | 2264 | |
ec6fde61 | 2265 | iface = xzalloc(sizeof *iface); |
064af421 | 2266 | iface->port = port; |
064af421 | 2267 | iface->name = xstrdup(name); |
892815f5 | 2268 | iface->ofp_port = -1; |
064af421 | 2269 | iface->tag = tag_create_random(); |
0c6aea3f | 2270 | iface->netdev = NULL; |
149f577a | 2271 | iface->cfg = if_cfg; |
064af421 | 2272 | |
ebea37cc | 2273 | hmap_insert(&br->iface_by_name, &iface->name_node, hash_string(name, 0)); |
2457b24f | 2274 | |
83db7968 | 2275 | list_push_back(&port->ifaces, &iface->port_elem); |
83db7968 | 2276 | |
064af421 BP |
2277 | VLOG_DBG("attached network device %s to port %s", iface->name, port->name); |
2278 | ||
76343538 | 2279 | return iface; |
064af421 BP |
2280 | } |
2281 | ||
2282 | static void | |
2283 | iface_destroy(struct iface *iface) | |
2284 | { | |
2285 | if (iface) { | |
2286 | struct port *port = iface->port; | |
2287 | struct bridge *br = port->bridge; | |
c17f0d5e | 2288 | |
892815f5 BP |
2289 | if (br->ofproto && iface->ofp_port >= 0) { |
2290 | ofproto_port_unregister(br->ofproto, iface->ofp_port); | |
5827ce14 EJ |
2291 | } |
2292 | ||
892815f5 BP |
2293 | if (iface->ofp_port >= 0) { |
2294 | hmap_remove(&br->ifaces, &iface->ofp_port_node); | |
064af421 BP |
2295 | } |
2296 | ||
83db7968 | 2297 | list_remove(&iface->port_elem); |
ebea37cc | 2298 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 2299 | |
0c6aea3f | 2300 | netdev_close(iface->netdev); |
064af421 | 2301 | |
a740f0de JG |
2302 | free(iface->name); |
2303 | free(iface); | |
064af421 BP |
2304 | } |
2305 | } | |
2306 | ||
2307 | static struct iface * | |
2308 | iface_lookup(const struct bridge *br, const char *name) | |
2309 | { | |
ebea37cc BP |
2310 | struct iface *iface; |
2311 | ||
2312 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
2313 | &br->iface_by_name) { | |
2314 | if (!strcmp(iface->name, name)) { | |
2315 | return iface; | |
2316 | } | |
2317 | } | |
2318 | ||
2319 | return NULL; | |
064af421 BP |
2320 | } |
2321 | ||
e8fe3026 EJ |
2322 | static struct iface * |
2323 | iface_find(const char *name) | |
2324 | { | |
2325 | const struct bridge *br; | |
2326 | ||
764072fd | 2327 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
2328 | struct iface *iface = iface_lookup(br, name); |
2329 | ||
2330 | if (iface) { | |
2331 | return iface; | |
2332 | } | |
2333 | } | |
2334 | return NULL; | |
2335 | } | |
2336 | ||
064af421 | 2337 | static struct iface * |
892815f5 | 2338 | iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port) |
064af421 | 2339 | { |
d9a8717a BP |
2340 | struct iface *iface; |
2341 | ||
892815f5 BP |
2342 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, |
2343 | hash_int(ofp_port, 0), &br->ifaces) { | |
2344 | if (iface->ofp_port == ofp_port) { | |
d9a8717a BP |
2345 | return iface; |
2346 | } | |
2347 | } | |
2348 | return NULL; | |
064af421 | 2349 | } |
557d8e6c | 2350 | |
52df17e7 BP |
2351 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
2352 | * file. */ | |
2353 | static void | |
2354 | iface_set_mac(struct iface *iface) | |
2355 | { | |
76343538 | 2356 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 2357 | |
ede2fd6d BP |
2358 | if (!strcmp(iface->type, "internal") |
2359 | && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
892815f5 | 2360 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
2361 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
2362 | "(use Bridge record to set local port's mac)", | |
2363 | iface->name); | |
2364 | } else if (eth_addr_is_multicast(ea)) { | |
52df17e7 BP |
2365 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
2366 | iface->name); | |
52df17e7 | 2367 | } else { |
4d678233 | 2368 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
2369 | if (error) { |
2370 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
2371 | iface->name, strerror(error)); | |
2372 | } | |
2373 | } | |
2374 | } | |
2375 | } | |
c1c9c9c4 | 2376 | |
bcd49a45 BP |
2377 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
2378 | static void | |
2379 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
2380 | { | |
cfea354b | 2381 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
bcd49a45 BP |
2382 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); |
2383 | } | |
2384 | } | |
2385 | ||
43776b8f BP |
2386 | /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'. |
2387 | * | |
2388 | * The value strings in '*shash' are taken directly from values[], not copied, | |
2389 | * so the caller should not modify or free them. */ | |
c1c9c9c4 BP |
2390 | static void |
2391 | shash_from_ovs_idl_map(char **keys, char **values, size_t n, | |
2392 | struct shash *shash) | |
2393 | { | |
2394 | size_t i; | |
2395 | ||
2396 | shash_init(shash); | |
2397 | for (i = 0; i < n; i++) { | |
2398 | shash_add(shash, keys[i], values[i]); | |
2399 | } | |
2400 | } | |
2401 | ||
ea763e0e EJ |
2402 | /* Creates 'keys' and 'values' arrays from 'shash'. |
2403 | * | |
2404 | * Sets 'keys' and 'values' to heap allocated arrays representing the key-value | |
2405 | * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They | |
2406 | * are populated with with strings taken directly from 'shash' and thus have | |
2407 | * the same ownership of the key-value pairs in shash. | |
2408 | */ | |
2409 | static void | |
2410 | shash_to_ovs_idl_map(struct shash *shash, | |
2411 | char ***keys, char ***values, size_t *n) | |
2412 | { | |
2413 | size_t i, count; | |
2414 | char **k, **v; | |
2415 | struct shash_node *sn; | |
2416 | ||
2417 | count = shash_count(shash); | |
2418 | ||
2419 | k = xmalloc(count * sizeof *k); | |
2420 | v = xmalloc(count * sizeof *v); | |
2421 | ||
2422 | i = 0; | |
2423 | SHASH_FOR_EACH(sn, shash) { | |
2424 | k[i] = sn->name; | |
2425 | v[i] = sn->data; | |
2426 | i++; | |
2427 | } | |
2428 | ||
2429 | *n = count; | |
2430 | *keys = k; | |
2431 | *values = v; | |
2432 | } | |
2433 | ||
c1c9c9c4 BP |
2434 | struct iface_delete_queues_cbdata { |
2435 | struct netdev *netdev; | |
44fca7f9 | 2436 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
2437 | }; |
2438 | ||
2439 | static bool | |
44fca7f9 | 2440 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 2441 | { |
44fca7f9 | 2442 | union ovsdb_atom atom; |
c1c9c9c4 | 2443 | |
44fca7f9 BP |
2444 | atom.integer = target; |
2445 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
2446 | } |
2447 | ||
2448 | static void | |
2449 | iface_delete_queues(unsigned int queue_id, | |
2450 | const struct shash *details OVS_UNUSED, void *cbdata_) | |
2451 | { | |
2452 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
2453 | ||
44fca7f9 | 2454 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
2455 | netdev_delete_queue(cbdata->netdev, queue_id); |
2456 | } | |
2457 | } | |
2458 | ||
2459 | static void | |
66da9bef | 2460 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 2461 | { |
daa8bd2b | 2462 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
2463 | netdev_set_qos(iface->netdev, NULL, NULL); |
2464 | } else { | |
2465 | struct iface_delete_queues_cbdata cbdata; | |
2466 | struct shash details; | |
2467 | size_t i; | |
2468 | ||
2469 | /* Configure top-level Qos for 'iface'. */ | |
2470 | shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config, | |
2471 | qos->n_other_config, &details); | |
2472 | netdev_set_qos(iface->netdev, qos->type, &details); | |
2473 | shash_destroy(&details); | |
2474 | ||
2475 | /* Deconfigure queues that were deleted. */ | |
2476 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
2477 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
2478 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
2479 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
2480 | ||
2481 | /* Configure queues for 'iface'. */ | |
2482 | for (i = 0; i < qos->n_queues; i++) { | |
2483 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
2484 | unsigned int queue_id = qos->key_queues[i]; | |
2485 | ||
2486 | shash_from_ovs_idl_map(queue->key_other_config, | |
2487 | queue->value_other_config, | |
2488 | queue->n_other_config, &details); | |
2489 | netdev_set_queue(iface->netdev, queue_id, &details); | |
2490 | shash_destroy(&details); | |
2491 | } | |
2492 | } | |
fa066f01 BP |
2493 | |
2494 | netdev_set_policing(iface->netdev, | |
2495 | iface->cfg->ingress_policing_rate, | |
2496 | iface->cfg->ingress_policing_burst); | |
c1c9c9c4 | 2497 | } |
b31bcf60 EJ |
2498 | |
2499 | static void | |
66da9bef | 2500 | iface_configure_cfm(struct iface *iface) |
b31bcf60 EJ |
2501 | { |
2502 | size_t i; | |
e7934396 | 2503 | struct cfm cfm; |
b31bcf60 EJ |
2504 | uint16_t *remote_mps; |
2505 | struct ovsrec_monitor *mon; | |
a58727fb | 2506 | uint8_t maid[CCM_MAID_LEN]; |
b31bcf60 EJ |
2507 | |
2508 | mon = iface->cfg->monitor; | |
2509 | ||
2510 | if (!mon) { | |
892815f5 | 2511 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
2512 | return; |
2513 | } | |
2514 | ||
b31bcf60 EJ |
2515 | if (!cfm_generate_maid(mon->md_name, mon->ma_name, maid)) { |
2516 | VLOG_WARN("interface %s: Failed to generate MAID.", iface->name); | |
2517 | return; | |
2518 | } | |
2519 | ||
e7934396 BP |
2520 | cfm.mpid = mon->mpid; |
2521 | cfm.interval = mon->interval ? *mon->interval : 1000; | |
b31bcf60 | 2522 | |
e7934396 | 2523 | memcpy(cfm.maid, maid, sizeof cfm.maid); |
b31bcf60 EJ |
2524 | |
2525 | remote_mps = xzalloc(mon->n_remote_mps * sizeof *remote_mps); | |
2526 | for(i = 0; i < mon->n_remote_mps; i++) { | |
2527 | remote_mps[i] = mon->remote_mps[i]->mpid; | |
2528 | } | |
b31bcf60 | 2529 | |
892815f5 | 2530 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, |
35c33856 | 2531 | &cfm, remote_mps, mon->n_remote_mps); |
e7934396 | 2532 | free(remote_mps); |
b31bcf60 | 2533 | } |
0b8024eb BP |
2534 | |
2535 | /* Read carrier or miimon status directly from 'iface''s netdev, according to | |
2536 | * how 'iface''s port is configured. | |
2537 | * | |
2538 | * Returns true if 'iface' is up, false otherwise. */ | |
2539 | static bool | |
2540 | iface_get_carrier(const struct iface *iface) | |
2541 | { | |
f620b43a BP |
2542 | /* XXX */ |
2543 | return netdev_get_carrier(iface->netdev); | |
0b8024eb | 2544 | } |
cfea354b BP |
2545 | |
2546 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally | |
2547 | * instead of obtaining it from the database. */ | |
2548 | static bool | |
2549 | iface_is_synthetic(const struct iface *iface) | |
2550 | { | |
2551 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
2552 | } | |
064af421 BP |
2553 | \f |
2554 | /* Port mirroring. */ | |
2555 | ||
dd0d105c BP |
2556 | static struct mirror * |
2557 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
2558 | { | |
fa066f01 | 2559 | struct mirror *m; |
dd0d105c | 2560 | |
fa066f01 BP |
2561 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
2562 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
2563 | return m; |
2564 | } | |
2565 | } | |
2566 | return NULL; | |
2567 | } | |
2568 | ||
064af421 | 2569 | static void |
fa066f01 | 2570 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 2571 | { |
fa066f01 BP |
2572 | const struct ovsdb_datum *mc; |
2573 | unsigned long *flood_vlans; | |
2574 | struct mirror *m, *next; | |
2575 | size_t i; | |
064af421 | 2576 | |
dd0d105c | 2577 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
2578 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
2579 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
2580 | union ovsdb_atom atom; | |
2581 | ||
2582 | atom.uuid = m->uuid; | |
2583 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
2584 | mirror_destroy(m); | |
064af421 BP |
2585 | } |
2586 | } | |
2587 | ||
dd0d105c | 2588 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 2589 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 2590 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 2591 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
2592 | if (!m) { |
2593 | m = mirror_create(br, cfg); | |
064af421 | 2594 | } |
fa066f01 BP |
2595 | if (!mirror_configure(m, cfg)) { |
2596 | mirror_destroy(m); | |
064af421 BP |
2597 | } |
2598 | } | |
f2d7fd66 | 2599 | |
8f30d09a | 2600 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
2601 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
2602 | br->cfg->n_flood_vlans); | |
2603 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
2604 | bitmap_free(flood_vlans); | |
064af421 BP |
2605 | } |
2606 | ||
fa066f01 BP |
2607 | static struct mirror * |
2608 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
2609 | { |
2610 | struct mirror *m; | |
064af421 | 2611 | |
fa066f01 | 2612 | m = xzalloc(sizeof *m); |
8bbc128e | 2613 | m->uuid = cfg->header_.uuid; |
fa066f01 | 2614 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 2615 | m->bridge = br; |
dd0d105c | 2616 | m->name = xstrdup(cfg->name); |
37e7f427 | 2617 | |
fa066f01 | 2618 | return m; |
064af421 BP |
2619 | } |
2620 | ||
2621 | static void | |
2622 | mirror_destroy(struct mirror *m) | |
2623 | { | |
2624 | if (m) { | |
2625 | struct bridge *br = m->bridge; | |
064af421 | 2626 | |
fa066f01 BP |
2627 | if (br->ofproto) { |
2628 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
2629 | } |
2630 | ||
fa066f01 | 2631 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 2632 | free(m->name); |
064af421 | 2633 | free(m); |
064af421 BP |
2634 | } |
2635 | } | |
2636 | ||
2637 | static void | |
fa066f01 BP |
2638 | mirror_collect_ports(struct mirror *m, |
2639 | struct ovsrec_port **in_ports, int n_in_ports, | |
2640 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 2641 | { |
fa066f01 BP |
2642 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
2643 | size_t n_out_ports = 0; | |
064af421 BP |
2644 | size_t i; |
2645 | ||
fa066f01 BP |
2646 | for (i = 0; i < n_in_ports; i++) { |
2647 | const char *name = in_ports[i]->name; | |
2648 | struct port *port = port_lookup(m->bridge, name); | |
2649 | if (port) { | |
2650 | out_ports[n_out_ports++] = port; | |
064af421 | 2651 | } else { |
37e7f427 BP |
2652 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
2653 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
2654 | } |
2655 | } | |
fa066f01 BP |
2656 | *out_portsp = out_ports; |
2657 | *n_out_portsp = n_out_ports; | |
064af421 BP |
2658 | } |
2659 | ||
2660 | static bool | |
fa066f01 | 2661 | mirror_configure(struct mirror *m, const struct ovsrec_mirror *cfg) |
064af421 | 2662 | { |
fa066f01 | 2663 | struct ofproto_mirror_settings s; |
064af421 | 2664 | |
dd0d105c BP |
2665 | /* Set name. */ |
2666 | if (strcmp(cfg->name, m->name)) { | |
2667 | free(m->name); | |
2668 | m->name = xstrdup(cfg->name); | |
2669 | } | |
fa066f01 | 2670 | s.name = m->name; |
dd0d105c | 2671 | |
fa066f01 | 2672 | /* Get output port or VLAN. */ |
37e7f427 | 2673 | if (cfg->output_port) { |
fa066f01 | 2674 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 2675 | if (!s.out_bundle) { |
37e7f427 BP |
2676 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
2677 | m->bridge->name, m->name); | |
fa066f01 | 2678 | return false; |
064af421 | 2679 | } |
fa066f01 | 2680 | s.out_vlan = UINT16_MAX; |
064af421 | 2681 | |
37e7f427 BP |
2682 | if (cfg->output_vlan) { |
2683 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
2684 | "output vlan; ignoring output vlan", | |
2685 | m->bridge->name, m->name); | |
064af421 | 2686 | } |
37e7f427 | 2687 | } else if (cfg->output_vlan) { |
fa066f01 BP |
2688 | /* The database should prevent invalid VLAN values. */ |
2689 | s.out_bundle = NULL; | |
2690 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 2691 | } else { |
37e7f427 BP |
2692 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
2693 | m->bridge->name, m->name); | |
fa066f01 | 2694 | return false; |
064af421 BP |
2695 | } |
2696 | ||
fa066f01 | 2697 | /* Get port selection. */ |
939ff267 | 2698 | if (cfg->select_all) { |
fa066f01 BP |
2699 | size_t n_ports = hmap_count(&m->bridge->ports); |
2700 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 2701 | struct port *port; |
fa066f01 BP |
2702 | size_t i; |
2703 | ||
2704 | i = 0; | |
8052fb14 | 2705 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 2706 | ports[i++] = port; |
939ff267 | 2707 | } |
fa066f01 BP |
2708 | |
2709 | s.srcs = ports; | |
2710 | s.n_srcs = n_ports; | |
2711 | ||
2712 | s.dsts = ports; | |
2713 | s.n_dsts = n_ports; | |
939ff267 | 2714 | } else { |
fa066f01 BP |
2715 | /* Get ports, dropping ports that don't exist. |
2716 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 2717 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 2718 | &s.srcs, &s.n_srcs); |
939ff267 | 2719 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 2720 | &s.dsts, &s.n_dsts); |
064af421 | 2721 | |
064af421 BP |
2722 | } |
2723 | ||
fa066f01 BP |
2724 | /* Get VLAN selection. */ |
2725 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
2726 | ||
2727 | /* Configure. */ | |
2728 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
2729 | ||
064af421 | 2730 | /* Clean up. */ |
fa066f01 BP |
2731 | if (s.srcs != s.dsts) { |
2732 | free(s.dsts); | |
2733 | } | |
2734 | free(s.srcs); | |
2735 | free(s.src_vlans); | |
2736 | ||
2737 | return true; | |
064af421 | 2738 | } |