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b0ec0f27 | 1 | /* Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks |
c93b1d6a | 2 | * |
a14bc59f BP |
3 | * Licensed under the Apache License, Version 2.0 (the "License"); |
4 | * you may not use this file except in compliance with the License. | |
5 | * You may obtain a copy of the License at: | |
064af421 | 6 | * |
a14bc59f | 7 | * http://www.apache.org/licenses/LICENSE-2.0 |
064af421 | 8 | * |
a14bc59f BP |
9 | * Unless required by applicable law or agreed to in writing, software |
10 | * distributed under the License is distributed on an "AS IS" BASIS, | |
11 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
12 | * See the License for the specific language governing permissions and | |
13 | * limitations under the License. | |
064af421 BP |
14 | */ |
15 | ||
16 | #include <config.h> | |
17 | #include "bridge.h" | |
18 | #include <assert.h> | |
19 | #include <errno.h> | |
064af421 | 20 | #include <inttypes.h> |
064af421 | 21 | #include <stdlib.h> |
064af421 | 22 | #include "bitmap.h" |
f620b43a | 23 | #include "bond.h" |
b31bcf60 | 24 | #include "cfm.h" |
064af421 | 25 | #include "coverage.h" |
a7ff9bd7 | 26 | #include "daemon.h" |
064af421 | 27 | #include "dirs.h" |
064af421 | 28 | #include "dynamic-string.h" |
064af421 | 29 | #include "hash.h" |
d9a8717a | 30 | #include "hmap.h" |
cd11000b | 31 | #include "jsonrpc.h" |
6aa74308 | 32 | #include "lacp.h" |
064af421 | 33 | #include "list.h" |
064af421 | 34 | #include "netdev.h" |
064af421 BP |
35 | #include "ofp-print.h" |
36 | #include "ofpbuf.h" | |
8cd4882f | 37 | #include "ofproto/ofproto.h" |
064af421 | 38 | #include "poll-loop.h" |
76343538 | 39 | #include "sha1.h" |
6c88d577 | 40 | #include "shash.h" |
064af421 | 41 | #include "socket-util.h" |
fe55ad15 | 42 | #include "stream-ssl.h" |
b3c01ed3 | 43 | #include "sset.h" |
ce887677 | 44 | #include "system-stats.h" |
064af421 BP |
45 | #include "timeval.h" |
46 | #include "util.h" | |
da285df4 | 47 | #include "unixctl.h" |
b36682d8 | 48 | #include "vswitchd/vswitch-idl.h" |
064af421 | 49 | #include "xenserver.h" |
5136ce49 | 50 | #include "vlog.h" |
72b06300 | 51 | #include "sflow_api.h" |
0fb7b915 | 52 | #include "vlan-bitmap.h" |
064af421 | 53 | |
d98e6007 | 54 | VLOG_DEFINE_THIS_MODULE(bridge); |
064af421 | 55 | |
d76f09ea BP |
56 | COVERAGE_DEFINE(bridge_reconfigure); |
57 | ||
064af421 | 58 | struct iface { |
0c6aea3f | 59 | /* These members are always valid. */ |
83db7968 | 60 | struct list port_elem; /* Element in struct port's "ifaces" list. */ |
ebea37cc | 61 | struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */ |
064af421 | 62 | struct port *port; /* Containing port. */ |
064af421 | 63 | char *name; /* Host network device name. */ |
064af421 | 64 | tag_type tag; /* Tag associated with this interface. */ |
064af421 | 65 | |
0c6aea3f | 66 | /* These members are valid only after bridge_reconfigure() causes them to |
1e0b752d | 67 | * be initialized. */ |
892815f5 BP |
68 | struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */ |
69 | int ofp_port; /* OpenFlow port number, -1 if unknown. */ | |
0c6aea3f | 70 | struct netdev *netdev; /* Network device. */ |
6cefe1da | 71 | const char *type; /* Usually same as cfg->type. */ |
76343538 | 72 | const struct ovsrec_interface *cfg; |
064af421 BP |
73 | }; |
74 | ||
064af421 | 75 | struct mirror { |
fa066f01 BP |
76 | struct uuid uuid; /* UUID of this "mirror" record in database. */ |
77 | struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */ | |
064af421 | 78 | struct bridge *bridge; |
064af421 | 79 | char *name; |
064af421 BP |
80 | }; |
81 | ||
064af421 BP |
82 | struct port { |
83 | struct bridge *bridge; | |
8052fb14 BP |
84 | struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */ |
85 | char *name; | |
86 | ||
1e0b752d | 87 | const struct ovsrec_port *cfg; |
064af421 BP |
88 | |
89 | /* An ordinary bridge port has 1 interface. | |
90 | * A bridge port for bonding has at least 2 interfaces. */ | |
83db7968 | 91 | struct list ifaces; /* List of "struct iface"s. */ |
064af421 BP |
92 | }; |
93 | ||
064af421 | 94 | struct bridge { |
764072fd | 95 | struct hmap_node node; /* In 'all_bridges'. */ |
064af421 | 96 | char *name; /* User-specified arbitrary name. */ |
66da9bef | 97 | char *type; /* Datapath type. */ |
abe457eb | 98 | uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */ |
064af421 | 99 | uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */ |
1e0b752d | 100 | const struct ovsrec_bridge *cfg; |
064af421 | 101 | |
064af421 BP |
102 | /* OpenFlow switch processing. */ |
103 | struct ofproto *ofproto; /* OpenFlow switch. */ | |
104 | ||
064af421 | 105 | /* Bridge ports. */ |
8052fb14 | 106 | struct hmap ports; /* "struct port"s indexed by name. */ |
892815f5 | 107 | struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */ |
ebea37cc | 108 | struct hmap iface_by_name; /* "struct iface"s indexed by name. */ |
064af421 | 109 | |
064af421 | 110 | /* Port mirroring. */ |
fa066f01 | 111 | struct hmap mirrors; /* "struct mirror" indexed by UUID. */ |
cfea354b BP |
112 | |
113 | /* Synthetic local port if necessary. */ | |
114 | struct ovsrec_port synth_local_port; | |
115 | struct ovsrec_interface synth_local_iface; | |
116 | struct ovsrec_interface *synth_local_ifacep; | |
064af421 BP |
117 | }; |
118 | ||
764072fd BP |
119 | /* All bridges, indexed by name. */ |
120 | static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges); | |
064af421 | 121 | |
c5187f17 BP |
122 | /* OVSDB IDL used to obtain configuration. */ |
123 | static struct ovsdb_idl *idl; | |
124 | ||
cd0cd65f BP |
125 | /* Each time this timer expires, the bridge fetches systems and interface |
126 | * statistics and pushes them into the database. */ | |
127 | #define STATS_INTERVAL (5 * 1000) /* In milliseconds. */ | |
128 | static long long int stats_timer = LLONG_MIN; | |
018f1525 | 129 | |
815cd583 EJ |
130 | /* Stores the time after which rate limited statistics may be written to the |
131 | * database. Only updated when changes to the database require rate limiting. | |
132 | */ | |
133 | #define DB_LIMIT_INTERVAL (1 * 1000) /* In milliseconds. */ | |
134 | static long long int db_limiter = LLONG_MIN; | |
6586adf5 | 135 | |
66da9bef | 136 | static void add_del_bridges(const struct ovsrec_open_vswitch *); |
f79e673f BP |
137 | static void bridge_del_ofprotos(void); |
138 | static bool bridge_add_ofprotos(struct bridge *); | |
66da9bef | 139 | static void bridge_create(const struct ovsrec_bridge *); |
064af421 BP |
140 | static void bridge_destroy(struct bridge *); |
141 | static struct bridge *bridge_lookup(const char *name); | |
8ca79daa | 142 | static unixctl_cb_func bridge_unixctl_dump_flows; |
fa05809b | 143 | static unixctl_cb_func bridge_unixctl_reconnect; |
1a048029 | 144 | static size_t bridge_get_controllers(const struct bridge *br, |
76ce9432 | 145 | struct ovsrec_controller ***controllersp); |
66da9bef BP |
146 | static void bridge_add_del_ports(struct bridge *); |
147 | static void bridge_add_ofproto_ports(struct bridge *); | |
148 | static void bridge_del_ofproto_ports(struct bridge *); | |
892815f5 | 149 | static void bridge_refresh_ofp_port(struct bridge *); |
6f90b8f4 BP |
150 | static void bridge_configure_datapath_id(struct bridge *); |
151 | static void bridge_configure_netflow(struct bridge *); | |
152 | static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); | |
fa066f01 BP |
153 | static void bridge_configure_remotes(struct bridge *, |
154 | const struct sockaddr_in *managers, | |
155 | size_t n_managers); | |
064af421 BP |
156 | static void bridge_pick_local_hw_addr(struct bridge *, |
157 | uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 158 | struct iface **hw_addr_iface); |
064af421 BP |
159 | static uint64_t bridge_pick_datapath_id(struct bridge *, |
160 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 161 | struct iface *hw_addr_iface); |
064af421 | 162 | static uint64_t dpid_from_hash(const void *, size_t nbytes); |
e8192d80 BP |
163 | static bool bridge_has_bond_fake_iface(const struct bridge *, |
164 | const char *name); | |
165 | static bool port_is_bond_fake_iface(const struct port *); | |
064af421 | 166 | |
e8fe3026 | 167 | static unixctl_cb_func qos_unixctl_show; |
8c4c1387 | 168 | |
66da9bef BP |
169 | static struct port *port_create(struct bridge *, const struct ovsrec_port *); |
170 | static void port_add_ifaces(struct port *); | |
171 | static void port_del_ifaces(struct port *); | |
064af421 BP |
172 | static void port_destroy(struct port *); |
173 | static struct port *port_lookup(const struct bridge *, const char *name); | |
fa066f01 BP |
174 | static void port_configure(struct port *); |
175 | static struct lacp_settings *port_configure_lacp(struct port *, | |
176 | struct lacp_settings *); | |
76ed83fc BP |
177 | static void port_configure_bond(struct port *, struct bond_settings *, |
178 | uint32_t *bond_stable_ids); | |
fa066f01 BP |
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 | ||
62f3aaed BP |
247 | ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids); |
248 | ||
249 | ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids); | |
250 | ||
251 | ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids); | |
252 | ||
253 | ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids); | |
254 | ||
255 | ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids); | |
256 | ||
257 | ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids); | |
258 | ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe); | |
259 | ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected); | |
260 | ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff); | |
261 | ovsdb_idl_omit(idl, &ovsrec_manager_col_status); | |
262 | ||
263 | ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids); | |
264 | ||
c5187f17 | 265 | /* Register unixctl commands. */ |
e8fe3026 | 266 | unixctl_command_register("qos/show", qos_unixctl_show, NULL); |
c5187f17 BP |
267 | unixctl_command_register("bridge/dump-flows", bridge_unixctl_dump_flows, |
268 | NULL); | |
fa05809b BP |
269 | unixctl_command_register("bridge/reconnect", bridge_unixctl_reconnect, |
270 | NULL); | |
5827ce14 | 271 | lacp_init(); |
c5187f17 | 272 | bond_init(); |
9ac3fce4 | 273 | cfm_init(); |
c5187f17 BP |
274 | } |
275 | ||
ee45ad81 BP |
276 | void |
277 | bridge_exit(void) | |
278 | { | |
279 | struct bridge *br, *next_br; | |
280 | ||
764072fd | 281 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
ee45ad81 BP |
282 | bridge_destroy(br); |
283 | } | |
284 | ovsdb_idl_destroy(idl); | |
285 | } | |
286 | ||
cd11000b BP |
287 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
288 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
289 | * responsible for freeing '*managersp' (with free()). | |
290 | * | |
291 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
292 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
293 | * should not be and in fact is not directly involved in that. But | |
294 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
295 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 296 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
297 | */ |
298 | static void | |
94db5407 BP |
299 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
300 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
301 | { |
302 | struct sockaddr_in *managers = NULL; | |
303 | size_t n_managers = 0; | |
b3c01ed3 | 304 | struct sset targets; |
94db5407 BP |
305 | size_t i; |
306 | ||
289df16d AE |
307 | /* Collect all of the potential targets from the "targets" columns of the |
308 | * rows pointed to by "manager_options", excluding any that are | |
309 | * out-of-band. */ | |
b3c01ed3 | 310 | sset_init(&targets); |
94db5407 BP |
311 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
312 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
313 | ||
314 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
b3c01ed3 | 315 | sset_find_and_delete(&targets, m->target); |
94db5407 | 316 | } else { |
b3c01ed3 | 317 | sset_add(&targets, m->target); |
94db5407 BP |
318 | } |
319 | } | |
cd11000b | 320 | |
94db5407 | 321 | /* Now extract the targets' IP addresses. */ |
b3c01ed3 BP |
322 | if (!sset_is_empty(&targets)) { |
323 | const char *target; | |
cd11000b | 324 | |
b3c01ed3 BP |
325 | managers = xmalloc(sset_count(&targets) * sizeof *managers); |
326 | SSET_FOR_EACH (target, &targets) { | |
94db5407 | 327 | struct sockaddr_in *sin = &managers[n_managers]; |
cd11000b | 328 | |
94db5407 BP |
329 | if ((!strncmp(target, "tcp:", 4) |
330 | && inet_parse_active(target + 4, JSONRPC_TCP_PORT, sin)) || | |
331 | (!strncmp(target, "ssl:", 4) | |
332 | && inet_parse_active(target + 4, JSONRPC_SSL_PORT, sin))) { | |
cd11000b BP |
333 | n_managers++; |
334 | } | |
335 | } | |
336 | } | |
b3c01ed3 | 337 | sset_destroy(&targets); |
cd11000b BP |
338 | |
339 | *managersp = managers; | |
340 | *n_managersp = n_managers; | |
341 | } | |
342 | ||
c5187f17 | 343 | static void |
76343538 | 344 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 345 | { |
cd11000b | 346 | struct sockaddr_in *managers; |
66da9bef | 347 | struct bridge *br, *next; |
72b06300 | 348 | int sflow_bridge_number; |
66da9bef | 349 | size_t n_managers; |
064af421 BP |
350 | |
351 | COVERAGE_INC(bridge_reconfigure); | |
352 | ||
66da9bef BP |
353 | /* Create and destroy "struct bridge"s, "struct port"s, and "struct |
354 | * iface"s according to 'ovs_cfg', with only very minimal configuration | |
355 | * otherwise. | |
356 | * | |
357 | * This is purely an update to bridge data structures. Nothing is pushed | |
358 | * down to ofproto or lower layers. */ | |
359 | add_del_bridges(ovs_cfg); | |
764072fd | 360 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef | 361 | bridge_add_del_ports(br); |
76343538 | 362 | } |
064af421 | 363 | |
66da9bef | 364 | /* Delete all datapaths and datapath ports that are no longer configured. |
064af421 BP |
365 | * |
366 | * The kernel will reject any attempt to add a given port to a datapath if | |
367 | * that port already belongs to a different datapath, so we must do all | |
66da9bef BP |
368 | * port deletions before any port additions. A datapath always has a |
369 | * "local port" so we must delete not-configured datapaths too. */ | |
f79e673f | 370 | bridge_del_ofprotos(); |
764072fd | 371 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef BP |
372 | if (br->ofproto) { |
373 | bridge_del_ofproto_ports(br); | |
76343538 | 374 | } |
064af421 | 375 | } |
064af421 | 376 | |
66da9bef BP |
377 | /* Create datapaths and datapath ports that are missing. |
378 | * | |
379 | * After this is done, we have our final set of bridges, ports, and | |
380 | * interfaces. Every "struct bridge" has an ofproto, every "struct port" | |
892815f5 | 381 | * has at least one iface, every "struct iface" has a valid ofp_port and |
66da9bef BP |
382 | * netdev. */ |
383 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
f79e673f | 384 | if (!br->ofproto && !bridge_add_ofprotos(br)) { |
064af421 BP |
385 | bridge_destroy(br); |
386 | } | |
387 | } | |
e8192d80 | 388 | HMAP_FOR_EACH (br, node, &all_bridges) { |
892815f5 | 389 | bridge_refresh_ofp_port(br); |
66da9bef | 390 | bridge_add_ofproto_ports(br); |
064af421 | 391 | } |
064af421 | 392 | |
66da9bef BP |
393 | /* Complete the configuration. */ |
394 | sflow_bridge_number = 0; | |
395 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); | |
764072fd | 396 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 397 | struct port *port; |
064af421 | 398 | |
8052fb14 | 399 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 400 | struct iface *iface; |
52df17e7 | 401 | |
fa066f01 | 402 | port_configure(port); |
c1c9c9c4 | 403 | |
48e1b7fb | 404 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
66da9bef BP |
405 | iface_configure_cfm(iface); |
406 | iface_configure_qos(iface, port->cfg->qos); | |
7ae79235 | 407 | iface_set_mac(iface); |
064af421 BP |
408 | } |
409 | } | |
fa066f01 | 410 | bridge_configure_mirrors(br); |
66da9bef | 411 | bridge_configure_datapath_id(br); |
fa066f01 | 412 | bridge_configure_remotes(br, managers, n_managers); |
66da9bef BP |
413 | bridge_configure_netflow(br); |
414 | bridge_configure_sflow(br, &sflow_bridge_number); | |
064af421 | 415 | } |
66da9bef | 416 | free(managers); |
064af421 | 417 | |
66da9bef BP |
418 | /* ovs-vswitchd has completed initialization, so allow the process that |
419 | * forked us to exit successfully. */ | |
420 | daemonize_complete(); | |
421 | } | |
064af421 | 422 | |
f79e673f | 423 | /* Iterate over all ofprotos and delete any of them that do not have a |
66da9bef BP |
424 | * configured bridge or that are the wrong type. */ |
425 | static void | |
f79e673f | 426 | bridge_del_ofprotos(void) |
66da9bef | 427 | { |
f79e673f BP |
428 | struct sset names; |
429 | struct sset types; | |
66da9bef | 430 | const char *type; |
6c88d577 | 431 | |
f79e673f BP |
432 | sset_init(&names); |
433 | sset_init(&types); | |
434 | ofproto_enumerate_types(&types); | |
435 | SSET_FOR_EACH (type, &types) { | |
66da9bef | 436 | const char *name; |
3a6ccc8c | 437 | |
f79e673f BP |
438 | ofproto_enumerate_names(type, &names); |
439 | SSET_FOR_EACH (name, &names) { | |
66da9bef BP |
440 | struct bridge *br = bridge_lookup(name); |
441 | if (!br || strcmp(type, br->type)) { | |
f79e673f | 442 | ofproto_delete(name, type); |
3a6ccc8c | 443 | } |
b31bcf60 EJ |
444 | } |
445 | } | |
f79e673f BP |
446 | sset_destroy(&names); |
447 | sset_destroy(&types); | |
66da9bef | 448 | } |
76343538 | 449 | |
66da9bef | 450 | static bool |
f79e673f | 451 | bridge_add_ofprotos(struct bridge *br) |
66da9bef | 452 | { |
fa066f01 | 453 | int error = ofproto_create(br->name, br->type, &br->ofproto); |
66da9bef | 454 | if (error) { |
fa066f01 | 455 | VLOG_ERR("failed to create bridge %s: %s", br->name, strerror(error)); |
66da9bef BP |
456 | return false; |
457 | } | |
458 | return true; | |
093e47f4 | 459 | } |
c3827f61 | 460 | |
fa066f01 BP |
461 | static void |
462 | port_configure(struct port *port) | |
463 | { | |
464 | const struct ovsrec_port *cfg = port->cfg; | |
465 | struct bond_settings bond_settings; | |
466 | struct lacp_settings lacp_settings; | |
467 | struct ofproto_bundle_settings s; | |
468 | struct iface *iface; | |
82057f51 | 469 | |
fa066f01 BP |
470 | /* Get name. */ |
471 | s.name = port->name; | |
3a6ccc8c | 472 | |
fa066f01 BP |
473 | /* Get slaves. */ |
474 | s.n_slaves = 0; | |
475 | s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves); | |
476 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 477 | s.slaves[s.n_slaves++] = iface->ofp_port; |
fa066f01 | 478 | } |
c3827f61 | 479 | |
fa066f01 BP |
480 | /* Get VLAN tag. */ |
481 | s.vlan = -1; | |
482 | if (cfg->tag) { | |
483 | if (list_is_short(&port->ifaces)) { | |
484 | if (*cfg->tag >= 0 && *cfg->tag <= 4095) { | |
485 | s.vlan = *cfg->tag; | |
486 | VLOG_DBG("port %s: assigning VLAN tag %d", port->name, s.vlan); | |
3a6ccc8c | 487 | } |
fa066f01 BP |
488 | } else { |
489 | /* It's possible that bonded, VLAN-tagged ports make sense. Maybe | |
490 | * they even work as-is. But they have not been tested. */ | |
491 | VLOG_WARN("port %s: VLAN tags not supported on bonded ports", | |
492 | port->name); | |
064af421 | 493 | } |
fa066f01 | 494 | } |
b0ec0f27 | 495 | |
fa066f01 BP |
496 | /* Get VLAN trunks. */ |
497 | s.trunks = NULL; | |
498 | if (s.vlan < 0 && cfg->n_trunks) { | |
499 | s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks); | |
500 | } else if (s.vlan >= 0 && cfg->n_trunks) { | |
501 | VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan", | |
502 | port->name); | |
064af421 | 503 | } |
064af421 | 504 | |
fa066f01 BP |
505 | /* Get LACP settings. */ |
506 | s.lacp = port_configure_lacp(port, &lacp_settings); | |
507 | if (s.lacp) { | |
508 | size_t i = 0; | |
064af421 | 509 | |
fa066f01 BP |
510 | s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves); |
511 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
512 | iface_configure_lacp(iface, &s.lacp_slaves[i++]); | |
064af421 | 513 | } |
fa066f01 BP |
514 | } else { |
515 | s.lacp_slaves = NULL; | |
516 | } | |
064af421 | 517 | |
fa066f01 BP |
518 | /* Get bond settings. */ |
519 | if (s.n_slaves > 1) { | |
fa066f01 | 520 | s.bond = &bond_settings; |
76ed83fc BP |
521 | s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids); |
522 | port_configure_bond(port, &bond_settings, s.bond_stable_ids); | |
fa066f01 BP |
523 | } else { |
524 | s.bond = NULL; | |
76ed83fc | 525 | s.bond_stable_ids = NULL; |
1670c579 EJ |
526 | |
527 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
528 | netdev_set_miimon_interval(iface->netdev, 0); | |
529 | } | |
fa066f01 | 530 | } |
093e47f4 | 531 | |
fa066f01 BP |
532 | /* Register. */ |
533 | ofproto_bundle_register(port->bridge->ofproto, port, &s); | |
76343538 | 534 | |
fa066f01 | 535 | /* Clean up. */ |
4e51de4c | 536 | free(s.slaves); |
fa066f01 BP |
537 | free(s.trunks); |
538 | free(s.lacp_slaves); | |
76ed83fc | 539 | free(s.bond_stable_ids); |
fa066f01 | 540 | } |
76343538 | 541 | |
6f90b8f4 BP |
542 | /* Pick local port hardware address and datapath ID for 'br'. */ |
543 | static void | |
544 | bridge_configure_datapath_id(struct bridge *br) | |
545 | { | |
546 | uint8_t ea[ETH_ADDR_LEN]; | |
547 | uint64_t dpid; | |
548 | struct iface *local_iface; | |
549 | struct iface *hw_addr_iface; | |
550 | char *dpid_string; | |
76343538 | 551 | |
6f90b8f4 | 552 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); |
892815f5 | 553 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
6f90b8f4 BP |
554 | if (local_iface) { |
555 | int error = netdev_set_etheraddr(local_iface->netdev, ea); | |
556 | if (error) { | |
557 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
558 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
559 | "Ethernet address: %s", | |
560 | br->name, strerror(error)); | |
561 | } | |
562 | } | |
563 | memcpy(br->ea, ea, ETH_ADDR_LEN); | |
76343538 | 564 | |
6f90b8f4 BP |
565 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); |
566 | ofproto_set_datapath_id(br->ofproto, dpid); | |
76343538 | 567 | |
6f90b8f4 BP |
568 | dpid_string = xasprintf("%016"PRIx64, dpid); |
569 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); | |
570 | free(dpid_string); | |
571 | } | |
064af421 | 572 | |
6f90b8f4 BP |
573 | /* Set NetFlow configuration on 'br'. */ |
574 | static void | |
575 | bridge_configure_netflow(struct bridge *br) | |
576 | { | |
577 | struct ovsrec_netflow *cfg = br->cfg->netflow; | |
578 | struct netflow_options opts; | |
72b06300 | 579 | |
6f90b8f4 BP |
580 | if (!cfg) { |
581 | ofproto_set_netflow(br->ofproto, NULL); | |
582 | return; | |
583 | } | |
a4af0040 | 584 | |
6f90b8f4 | 585 | memset(&opts, 0, sizeof opts); |
72b06300 | 586 | |
6f90b8f4 BP |
587 | /* Get default NetFlow configuration from datapath. |
588 | * Apply overrides from 'cfg'. */ | |
589 | ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id); | |
590 | if (cfg->engine_type) { | |
591 | opts.engine_type = *cfg->engine_type; | |
592 | } | |
593 | if (cfg->engine_id) { | |
594 | opts.engine_id = *cfg->engine_id; | |
595 | } | |
72b06300 | 596 | |
6f90b8f4 BP |
597 | /* Configure active timeout interval. */ |
598 | opts.active_timeout = cfg->active_timeout; | |
599 | if (!opts.active_timeout) { | |
600 | opts.active_timeout = -1; | |
601 | } else if (opts.active_timeout < 0) { | |
602 | VLOG_WARN("bridge %s: active timeout interval set to negative " | |
603 | "value, using default instead (%d seconds)", br->name, | |
604 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
605 | opts.active_timeout = -1; | |
606 | } | |
72b06300 | 607 | |
6f90b8f4 BP |
608 | /* Add engine ID to interface number to disambiguate bridgs? */ |
609 | opts.add_id_to_iface = cfg->add_id_to_interface; | |
610 | if (opts.add_id_to_iface) { | |
611 | if (opts.engine_id > 0x7f) { | |
612 | VLOG_WARN("bridge %s: NetFlow port mangling may conflict with " | |
613 | "another vswitch, choose an engine id less than 128", | |
614 | br->name); | |
615 | } | |
616 | if (hmap_count(&br->ports) > 508) { | |
617 | VLOG_WARN("bridge %s: NetFlow port mangling will conflict with " | |
618 | "another port when more than 508 ports are used", | |
619 | br->name); | |
620 | } | |
621 | } | |
72b06300 | 622 | |
6f90b8f4 BP |
623 | /* Collectors. */ |
624 | sset_init(&opts.collectors); | |
625 | sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets); | |
a4af0040 | 626 | |
6f90b8f4 BP |
627 | /* Configure. */ |
628 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
629 | VLOG_ERR("bridge %s: problem setting netflow collectors", br->name); | |
630 | } | |
631 | sset_destroy(&opts.collectors); | |
632 | } | |
72b06300 | 633 | |
6f90b8f4 BP |
634 | /* Set sFlow configuration on 'br'. */ |
635 | static void | |
636 | bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number) | |
637 | { | |
638 | const struct ovsrec_sflow *cfg = br->cfg->sflow; | |
639 | struct ovsrec_controller **controllers; | |
640 | struct ofproto_sflow_options oso; | |
641 | size_t n_controllers; | |
642 | size_t i; | |
72b06300 | 643 | |
6f90b8f4 BP |
644 | if (!cfg) { |
645 | ofproto_set_sflow(br->ofproto, NULL); | |
646 | return; | |
064af421 | 647 | } |
8052fb14 | 648 | |
6f90b8f4 | 649 | memset(&oso, 0, sizeof oso); |
52df17e7 | 650 | |
6f90b8f4 BP |
651 | sset_init(&oso.targets); |
652 | sset_add_array(&oso.targets, cfg->targets, cfg->n_targets); | |
c1c9c9c4 | 653 | |
6f90b8f4 BP |
654 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; |
655 | if (cfg->sampling) { | |
656 | oso.sampling_rate = *cfg->sampling; | |
064af421 | 657 | } |
6f90b8f4 BP |
658 | |
659 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
660 | if (cfg->polling) { | |
661 | oso.polling_interval = *cfg->polling; | |
064af421 | 662 | } |
093e47f4 | 663 | |
6f90b8f4 BP |
664 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; |
665 | if (cfg->header) { | |
666 | oso.header_len = *cfg->header; | |
667 | } | |
392730c4 | 668 | |
6f90b8f4 BP |
669 | oso.sub_id = (*sflow_bridge_number)++; |
670 | oso.agent_device = cfg->agent; | |
392730c4 | 671 | |
6f90b8f4 BP |
672 | oso.control_ip = NULL; |
673 | n_controllers = bridge_get_controllers(br, &controllers); | |
674 | for (i = 0; i < n_controllers; i++) { | |
675 | if (controllers[i]->local_ip) { | |
676 | oso.control_ip = controllers[i]->local_ip; | |
677 | break; | |
b31bcf60 EJ |
678 | } |
679 | } | |
6f90b8f4 | 680 | ofproto_set_sflow(br->ofproto, &oso); |
b31bcf60 | 681 | |
6f90b8f4 BP |
682 | sset_destroy(&oso.targets); |
683 | } | |
a7ff9bd7 | 684 | |
e8192d80 BP |
685 | static bool |
686 | bridge_has_bond_fake_iface(const struct bridge *br, const char *name) | |
687 | { | |
688 | const struct port *port = port_lookup(br, name); | |
689 | return port && port_is_bond_fake_iface(port); | |
093e47f4 BP |
690 | } |
691 | ||
e8192d80 BP |
692 | static bool |
693 | port_is_bond_fake_iface(const struct port *port) | |
093e47f4 | 694 | { |
e8192d80 BP |
695 | return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces); |
696 | } | |
093e47f4 | 697 | |
66da9bef BP |
698 | static void |
699 | add_del_bridges(const struct ovsrec_open_vswitch *cfg) | |
700 | { | |
701 | struct bridge *br, *next; | |
702 | struct shash new_br; | |
703 | size_t i; | |
704 | ||
705 | /* Collect new bridges' names and types. */ | |
706 | shash_init(&new_br); | |
707 | for (i = 0; i < cfg->n_bridges; i++) { | |
708 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
709 | if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
710 | VLOG_WARN("bridge %s specified twice", br_cfg->name); | |
711 | } | |
712 | } | |
713 | ||
714 | /* Get rid of deleted bridges or those whose types have changed. | |
715 | * Update 'cfg' of bridges that still exist. */ | |
716 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
717 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
718 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
719 | br->cfg->datapath_type))) { | |
66da9bef BP |
720 | bridge_destroy(br); |
721 | } | |
722 | } | |
723 | ||
724 | /* Add new bridges. */ | |
725 | for (i = 0; i < cfg->n_bridges; i++) { | |
726 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
727 | struct bridge *br = bridge_lookup(br_cfg->name); | |
728 | if (!br) { | |
729 | bridge_create(br_cfg); | |
730 | } | |
731 | } | |
732 | ||
733 | shash_destroy(&new_br); | |
734 | } | |
735 | ||
736 | /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct | |
737 | * iface". | |
738 | * | |
739 | * The kernel will reject any attempt to add a given port to a datapath if that | |
740 | * port already belongs to a different datapath, so we must do all port | |
741 | * deletions before any port additions. */ | |
742 | static void | |
743 | bridge_del_ofproto_ports(struct bridge *br) | |
744 | { | |
745 | struct ofproto_port_dump dump; | |
746 | struct ofproto_port ofproto_port; | |
747 | ||
748 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { | |
749 | const char *name = ofproto_port.name; | |
750 | struct iface *iface; | |
751 | const char *type; | |
752 | int error; | |
753 | ||
754 | /* Ignore the local port. We can't change it anyhow. */ | |
755 | if (!strcmp(name, br->name)) { | |
756 | continue; | |
757 | } | |
758 | ||
759 | /* Get the type that 'ofproto_port' should have (ordinarily the | |
760 | * type of its corresponding iface) or NULL if it should be | |
761 | * deleted. */ | |
762 | iface = iface_lookup(br, name); | |
763 | type = (iface ? iface->type | |
764 | : bridge_has_bond_fake_iface(br, name) ? "internal" | |
765 | : NULL); | |
766 | ||
767 | /* If it's the wrong type then delete the ofproto port. */ | |
768 | if (type | |
769 | && !strcmp(ofproto_port.type, type) | |
770 | && (!iface || !iface->netdev | |
771 | || !strcmp(netdev_get_type(iface->netdev), type))) { | |
772 | continue; | |
773 | } | |
774 | error = ofproto_port_del(br->ofproto, ofproto_port.ofp_port); | |
775 | if (error) { | |
776 | VLOG_WARN("bridge %s: failed to remove %s interface (%s)", | |
777 | br->name, name, strerror(error)); | |
778 | } | |
779 | if (iface) { | |
66da9bef BP |
780 | netdev_close(iface->netdev); |
781 | iface->netdev = NULL; | |
782 | } | |
783 | } | |
784 | } | |
785 | ||
786 | static void | |
892815f5 | 787 | iface_set_ofp_port(struct iface *iface, int ofp_port) |
66da9bef BP |
788 | { |
789 | struct bridge *br = iface->port->bridge; | |
790 | ||
892815f5 BP |
791 | assert(iface->ofp_port < 0 && ofp_port >= 0); |
792 | iface->ofp_port = ofp_port; | |
793 | hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0)); | |
2e281761 | 794 | iface_set_ofport(iface->cfg, ofp_port); |
66da9bef BP |
795 | } |
796 | ||
797 | static void | |
892815f5 | 798 | bridge_refresh_ofp_port(struct bridge *br) |
66da9bef BP |
799 | { |
800 | struct ofproto_port_dump dump; | |
801 | struct ofproto_port ofproto_port; | |
802 | struct port *port; | |
803 | ||
892815f5 | 804 | /* Clear all the "ofp_port"es. */ |
66da9bef BP |
805 | hmap_clear(&br->ifaces); |
806 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
807 | struct iface *iface; | |
808 | ||
809 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 810 | iface->ofp_port = -1; |
66da9bef BP |
811 | } |
812 | } | |
813 | ||
892815f5 | 814 | /* Obtain the correct "ofp_port"s from ofproto. */ |
66da9bef | 815 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
66da9bef BP |
816 | struct iface *iface = iface_lookup(br, ofproto_port.name); |
817 | if (iface) { | |
892815f5 | 818 | if (iface->ofp_port >= 0) { |
66da9bef BP |
819 | VLOG_WARN("bridge %s: interface %s reported twice", |
820 | br->name, ofproto_port.name); | |
892815f5 | 821 | } else if (iface_from_ofp_port(br, ofproto_port.ofp_port)) { |
66da9bef | 822 | VLOG_WARN("bridge %s: interface %"PRIu16" reported twice", |
892815f5 | 823 | br->name, ofproto_port.ofp_port); |
66da9bef | 824 | } else { |
892815f5 | 825 | iface_set_ofp_port(iface, ofproto_port.ofp_port); |
66da9bef BP |
826 | } |
827 | } | |
828 | } | |
829 | } | |
830 | ||
f79e673f | 831 | /* Add an ofproto port for any "struct iface" that doesn't have one. |
66da9bef BP |
832 | * Delete any "struct iface" for which this fails. |
833 | * Delete any "struct port" that thereby ends up with no ifaces. */ | |
834 | static void | |
835 | bridge_add_ofproto_ports(struct bridge *br) | |
836 | { | |
837 | struct port *port, *next_port; | |
66da9bef BP |
838 | |
839 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { | |
840 | struct iface *iface, *next_iface; | |
892815f5 | 841 | struct ofproto_port ofproto_port; |
66da9bef BP |
842 | |
843 | LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) { | |
844 | struct shash args; | |
845 | int error; | |
846 | ||
847 | /* Open the netdev or reconfigure it. */ | |
848 | shash_init(&args); | |
849 | shash_from_ovs_idl_map(iface->cfg->key_options, | |
850 | iface->cfg->value_options, | |
851 | iface->cfg->n_options, &args); | |
852 | if (!iface->netdev) { | |
853 | struct netdev_options options; | |
854 | options.name = iface->name; | |
855 | options.type = iface->type; | |
856 | options.args = &args; | |
857 | options.ethertype = NETDEV_ETH_TYPE_NONE; | |
858 | error = netdev_open(&options, &iface->netdev); | |
859 | } else { | |
860 | error = netdev_set_config(iface->netdev, &args); | |
861 | } | |
862 | shash_destroy(&args); | |
863 | if (error) { | |
864 | VLOG_WARN("could not %s network device %s (%s)", | |
865 | iface->netdev ? "reconfigure" : "open", | |
866 | iface->name, strerror(error)); | |
867 | } | |
868 | ||
869 | /* Add the port, if necessary. */ | |
892815f5 | 870 | if (iface->netdev && iface->ofp_port < 0) { |
66da9bef BP |
871 | uint16_t ofp_port; |
872 | int error; | |
873 | ||
874 | error = ofproto_port_add(br->ofproto, iface->netdev, | |
875 | &ofp_port); | |
876 | if (!error) { | |
892815f5 | 877 | iface_set_ofp_port(iface, ofp_port); |
66da9bef BP |
878 | } else { |
879 | netdev_close(iface->netdev); | |
880 | iface->netdev = NULL; | |
881 | } | |
882 | } | |
883 | ||
884 | /* Delete the iface if */ | |
892815f5 | 885 | if (iface->netdev && iface->ofp_port >= 0) { |
66da9bef | 886 | VLOG_DBG("bridge %s: interface %s is on port %d", |
892815f5 | 887 | br->name, iface->name, iface->ofp_port); |
66da9bef BP |
888 | } else { |
889 | if (iface->netdev) { | |
890 | VLOG_ERR("bridge %s: missing %s interface, dropping", | |
891 | br->name, iface->name); | |
892 | } else { | |
893 | /* We already reported a related error, don't bother | |
894 | * duplicating it. */ | |
895 | } | |
896 | iface_set_ofport(iface->cfg, -1); | |
897 | iface_destroy(iface); | |
898 | } | |
899 | } | |
900 | if (list_is_empty(&port->ifaces)) { | |
901 | VLOG_WARN("%s port has no interfaces, dropping", port->name); | |
902 | port_destroy(port); | |
903 | continue; | |
904 | } | |
905 | ||
906 | /* Add bond fake iface if necessary. */ | |
907 | if (port_is_bond_fake_iface(port)) { | |
908 | if (ofproto_port_query_by_name(br->ofproto, port->name, | |
909 | &ofproto_port)) { | |
910 | struct netdev_options options; | |
911 | struct netdev *netdev; | |
912 | int error; | |
913 | ||
914 | options.name = port->name; | |
915 | options.type = "internal"; | |
916 | options.args = NULL; | |
917 | options.ethertype = NETDEV_ETH_TYPE_NONE; | |
918 | error = netdev_open(&options, &netdev); | |
919 | if (!error) { | |
920 | ofproto_port_add(br->ofproto, netdev, NULL); | |
921 | netdev_close(netdev); | |
922 | } else { | |
923 | VLOG_WARN("could not open network device %s (%s)", | |
924 | port->name, strerror(error)); | |
925 | } | |
926 | } else { | |
927 | /* Already exists, nothing to do. */ | |
928 | ofproto_port_destroy(&ofproto_port); | |
929 | } | |
930 | } | |
931 | } | |
932 | } | |
933 | ||
093e47f4 | 934 | static const char * |
af6278e1 BP |
935 | get_ovsrec_key_value(const struct ovsdb_idl_row *row, |
936 | const struct ovsdb_idl_column *column, | |
937 | const char *key) | |
093e47f4 | 938 | { |
af6278e1 BP |
939 | const struct ovsdb_datum *datum; |
940 | union ovsdb_atom atom; | |
941 | unsigned int idx; | |
093e47f4 | 942 | |
af6278e1 BP |
943 | datum = ovsdb_idl_get(row, column, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING); |
944 | atom.string = (char *) key; | |
945 | idx = ovsdb_datum_find_key(datum, &atom, OVSDB_TYPE_STRING); | |
946 | return idx == UINT_MAX ? NULL : datum->values[idx].string; | |
064af421 BP |
947 | } |
948 | ||
c8143c88 BP |
949 | static const char * |
950 | bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key) | |
951 | { | |
af6278e1 BP |
952 | return get_ovsrec_key_value(&br_cfg->header_, |
953 | &ovsrec_bridge_col_other_config, key); | |
c8143c88 BP |
954 | } |
955 | ||
064af421 BP |
956 | static void |
957 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 958 | struct iface **hw_addr_iface) |
064af421 | 959 | { |
093e47f4 | 960 | const char *hwaddr; |
8052fb14 | 961 | struct port *port; |
064af421 BP |
962 | int error; |
963 | ||
07c318f4 | 964 | *hw_addr_iface = NULL; |
064af421 BP |
965 | |
966 | /* Did the user request a particular MAC? */ | |
093e47f4 BP |
967 | hwaddr = bridge_get_other_config(br->cfg, "hwaddr"); |
968 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { | |
064af421 BP |
969 | if (eth_addr_is_multicast(ea)) { |
970 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
971 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
972 | } else if (eth_addr_is_zero(ea)) { | |
973 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
974 | } else { | |
975 | return; | |
976 | } | |
977 | } | |
978 | ||
141f4942 BP |
979 | /* Otherwise choose the minimum non-local MAC address among all of the |
980 | * interfaces. */ | |
0b420b10 | 981 | memset(ea, 0xff, ETH_ADDR_LEN); |
8052fb14 | 982 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 983 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 984 | struct iface *candidate; |
58b7527e BP |
985 | struct iface *iface; |
986 | ||
987 | /* Mirror output ports don't participate. */ | |
fa066f01 | 988 | if (ofproto_is_mirror_output_bundle(br->ofproto, port)) { |
064af421 BP |
989 | continue; |
990 | } | |
58b7527e BP |
991 | |
992 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 993 | iface = NULL; |
76343538 | 994 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
995 | /* Find the interface with this Ethernet address (if any) so that |
996 | * we can provide the correct devname to the caller. */ | |
83db7968 | 997 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 998 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 999 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1000 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1001 | iface = candidate; | |
1002 | } | |
1003 | } | |
58b7527e BP |
1004 | } else { |
1005 | /* Choose the interface whose MAC address will represent the port. | |
1006 | * The Linux kernel bonding code always chooses the MAC address of | |
1007 | * the first slave added to a bond, and the Fedora networking | |
1008 | * scripts always add slaves to a bond in alphabetical order, so | |
1009 | * for compatibility we choose the interface with the name that is | |
1010 | * first in alphabetical order. */ | |
83db7968 BP |
1011 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1012 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1013 | iface = candidate; |
1014 | } | |
1015 | } | |
1016 | ||
1017 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1018 | * MAC address anyway). */ |
892815f5 | 1019 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1020 | continue; |
1021 | } | |
58b7527e BP |
1022 | |
1023 | /* Grab MAC. */ | |
07c318f4 | 1024 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1025 | if (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 | { | |
93b8df38 | 1216 | const struct ovsrec_interface *cfg = iface->cfg; |
6586adf5 | 1217 | bool changed = false; |
a5610457 | 1218 | int fault; |
b31bcf60 | 1219 | |
a5610457 EJ |
1220 | fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto, |
1221 | iface->ofp_port); | |
b31bcf60 | 1222 | |
a5610457 | 1223 | if (fault < 0) { |
6586adf5 | 1224 | return false; |
b31bcf60 EJ |
1225 | } |
1226 | ||
a5610457 EJ |
1227 | if (cfg->n_cfm_fault != 1 || cfg->cfm_fault[0] != fault) { |
1228 | bool fault_bool = fault; | |
1229 | ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1); | |
6586adf5 EJ |
1230 | changed = true; |
1231 | } | |
1232 | ||
1233 | return changed; | |
b31bcf60 EJ |
1234 | } |
1235 | ||
a8172aa3 EJ |
1236 | static bool |
1237 | iface_refresh_lacp_stats(struct iface *iface) | |
1238 | { | |
fa066f01 | 1239 | struct ofproto *ofproto = iface->port->bridge->ofproto; |
fa066f01 | 1240 | int old = iface->cfg->lacp_current ? *iface->cfg->lacp_current : -1; |
892815f5 | 1241 | int new = ofproto_port_is_lacp_current(ofproto, iface->ofp_port); |
a8172aa3 | 1242 | |
fa066f01 BP |
1243 | if (old != new) { |
1244 | bool current = new; | |
1245 | ovsrec_interface_set_lacp_current(iface->cfg, ¤t, new >= 0); | |
a8172aa3 | 1246 | } |
fa066f01 | 1247 | return old != new; |
a8172aa3 EJ |
1248 | } |
1249 | ||
018f1525 BP |
1250 | static void |
1251 | iface_refresh_stats(struct iface *iface) | |
1252 | { | |
98dbe2dd BP |
1253 | #define IFACE_STATS \ |
1254 | IFACE_STAT(rx_packets, "rx_packets") \ | |
1255 | IFACE_STAT(tx_packets, "tx_packets") \ | |
1256 | IFACE_STAT(rx_bytes, "rx_bytes") \ | |
1257 | IFACE_STAT(tx_bytes, "tx_bytes") \ | |
1258 | IFACE_STAT(rx_dropped, "rx_dropped") \ | |
1259 | IFACE_STAT(tx_dropped, "tx_dropped") \ | |
1260 | IFACE_STAT(rx_errors, "rx_errors") \ | |
1261 | IFACE_STAT(tx_errors, "tx_errors") \ | |
1262 | IFACE_STAT(rx_frame_errors, "rx_frame_err") \ | |
1263 | IFACE_STAT(rx_over_errors, "rx_over_err") \ | |
1264 | IFACE_STAT(rx_crc_errors, "rx_crc_err") \ | |
1265 | IFACE_STAT(collisions, "collisions") | |
1266 | ||
1267 | #define IFACE_STAT(MEMBER, NAME) NAME, | |
1268 | static char *keys[] = { IFACE_STATS }; | |
1269 | #undef IFACE_STAT | |
1270 | int64_t values[ARRAY_SIZE(keys)]; | |
1271 | int i; | |
018f1525 BP |
1272 | |
1273 | struct netdev_stats stats; | |
1274 | ||
cfea354b BP |
1275 | if (iface_is_synthetic(iface)) { |
1276 | return; | |
1277 | } | |
1278 | ||
018f1525 BP |
1279 | /* Intentionally ignore return value, since errors will set 'stats' to |
1280 | * all-1s, and we will deal with that correctly below. */ | |
1281 | netdev_get_stats(iface->netdev, &stats); | |
1282 | ||
98dbe2dd BP |
1283 | /* Copy statistics into values[] array. */ |
1284 | i = 0; | |
1285 | #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER; | |
1286 | IFACE_STATS; | |
1287 | #undef IFACE_STAT | |
1288 | assert(i == ARRAY_SIZE(keys)); | |
018f1525 | 1289 | |
98dbe2dd BP |
1290 | ovsrec_interface_set_statistics(iface->cfg, keys, values, ARRAY_SIZE(keys)); |
1291 | #undef IFACE_STATS | |
018f1525 BP |
1292 | } |
1293 | ||
ce887677 BP |
1294 | static void |
1295 | refresh_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1296 | { | |
1297 | struct ovsdb_datum datum; | |
1298 | struct shash stats; | |
1299 | ||
1300 | shash_init(&stats); | |
1301 | get_system_stats(&stats); | |
1302 | ||
1303 | ovsdb_datum_from_shash(&datum, &stats); | |
1304 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1305 | &datum); | |
1306 | } | |
1307 | ||
bffc0589 AE |
1308 | static inline const char * |
1309 | nx_role_to_str(enum nx_role role) | |
1310 | { | |
1311 | switch (role) { | |
1312 | case NX_ROLE_OTHER: | |
1313 | return "other"; | |
1314 | case NX_ROLE_MASTER: | |
1315 | return "master"; | |
1316 | case NX_ROLE_SLAVE: | |
1317 | return "slave"; | |
1318 | default: | |
1319 | return "*** INVALID ROLE ***"; | |
1320 | } | |
1321 | } | |
1322 | ||
1323 | static void | |
1324 | bridge_refresh_controller_status(const struct bridge *br) | |
1325 | { | |
1326 | struct shash info; | |
1327 | const struct ovsrec_controller *cfg; | |
1328 | ||
1329 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1330 | ||
1331 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { | |
eb9b8307 AE |
1332 | struct ofproto_controller_info *cinfo = |
1333 | shash_find_data(&info, cfg->target); | |
1334 | ||
1335 | if (cinfo) { | |
1336 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
1337 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
1338 | ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys, | |
1339 | (char **) cinfo->pairs.values, | |
1340 | cinfo->pairs.n); | |
1341 | } else { | |
1342 | ovsrec_controller_set_is_connected(cfg, false); | |
1343 | ovsrec_controller_set_role(cfg, NULL); | |
1344 | ovsrec_controller_set_status(cfg, NULL, NULL, 0); | |
1345 | } | |
bffc0589 AE |
1346 | } |
1347 | ||
1348 | ofproto_free_ofproto_controller_info(&info); | |
1349 | } | |
1350 | ||
c5187f17 | 1351 | void |
064af421 BP |
1352 | bridge_run(void) |
1353 | { | |
d54ff998 BP |
1354 | const struct ovsrec_open_vswitch *cfg; |
1355 | ||
c5187f17 | 1356 | bool datapath_destroyed; |
d54ff998 | 1357 | bool database_changed; |
c5187f17 | 1358 | struct bridge *br; |
064af421 | 1359 | |
c5187f17 BP |
1360 | /* Let each bridge do the work that it needs to do. */ |
1361 | datapath_destroyed = false; | |
764072fd | 1362 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa066f01 | 1363 | int error = ofproto_run(br->ofproto); |
064af421 BP |
1364 | if (error) { |
1365 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
1366 | VLOG_ERR_RL(&rl, "bridge %s: datapath was destroyed externally, " | |
1367 | "forcing reconfiguration", br->name); | |
c5187f17 BP |
1368 | datapath_destroyed = true; |
1369 | } | |
1370 | } | |
1371 | ||
1372 | /* (Re)configure if necessary. */ | |
d54ff998 BP |
1373 | database_changed = ovsdb_idl_run(idl); |
1374 | cfg = ovsrec_open_vswitch_first(idl); | |
bf8f2167 | 1375 | |
d6da96ce BP |
1376 | /* Re-configure SSL. We do this on every trip through the main loop, |
1377 | * instead of just when the database changes, because the contents of the | |
1378 | * key and certificate files can change without the database changing. | |
1379 | * | |
1380 | * We do this before bridge_reconfigure() because that function might | |
1381 | * initiate SSL connections and thus requires SSL to be configured. */ | |
1382 | if (cfg && cfg->ssl) { | |
1383 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
1384 | ||
1385 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
1386 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
1387 | } | |
bf8f2167 | 1388 | |
d54ff998 | 1389 | if (database_changed || datapath_destroyed) { |
c5187f17 BP |
1390 | if (cfg) { |
1391 | struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl); | |
1392 | ||
c5187f17 BP |
1393 | bridge_reconfigure(cfg); |
1394 | ||
1395 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
1396 | ovsdb_idl_txn_commit(txn); | |
1397 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
1e0b752d BP |
1398 | } else { |
1399 | /* We still need to reconfigure to avoid dangling pointers to | |
1400 | * now-destroyed ovsrec structures inside bridge data. */ | |
1401 | static const struct ovsrec_open_vswitch null_cfg; | |
1402 | ||
1403 | bridge_reconfigure(&null_cfg); | |
064af421 BP |
1404 | } |
1405 | } | |
018f1525 | 1406 | |
cd0cd65f BP |
1407 | /* Refresh system and interface stats if necessary. */ |
1408 | if (time_msec() >= stats_timer) { | |
ce887677 BP |
1409 | if (cfg) { |
1410 | struct ovsdb_idl_txn *txn; | |
018f1525 | 1411 | |
ce887677 | 1412 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 1413 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 1414 | struct port *port; |
018f1525 | 1415 | |
8052fb14 | 1416 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 1417 | struct iface *iface; |
018f1525 | 1418 | |
83db7968 | 1419 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 | 1420 | iface_refresh_stats(iface); |
ea763e0e | 1421 | iface_refresh_status(iface); |
ce887677 | 1422 | } |
018f1525 | 1423 | } |
bffc0589 | 1424 | bridge_refresh_controller_status(br); |
018f1525 | 1425 | } |
ce887677 BP |
1426 | refresh_system_stats(cfg); |
1427 | ovsdb_idl_txn_commit(txn); | |
1428 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 1429 | } |
018f1525 | 1430 | |
cd0cd65f | 1431 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 1432 | } |
6586adf5 | 1433 | |
815cd583 | 1434 | if (time_msec() >= db_limiter) { |
6586adf5 EJ |
1435 | struct ovsdb_idl_txn *txn; |
1436 | bool changed = false; | |
1437 | ||
1438 | txn = ovsdb_idl_txn_create(idl); | |
764072fd | 1439 | HMAP_FOR_EACH (br, node, &all_bridges) { |
6586adf5 EJ |
1440 | struct port *port; |
1441 | ||
1442 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1443 | struct iface *iface; | |
1444 | ||
1445 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
1446 | changed = iface_refresh_cfm_stats(iface) || changed; | |
a8172aa3 | 1447 | changed = iface_refresh_lacp_stats(iface) || changed; |
6586adf5 EJ |
1448 | } |
1449 | } | |
1450 | } | |
1451 | ||
1452 | if (changed) { | |
815cd583 | 1453 | db_limiter = time_msec() + DB_LIMIT_INTERVAL; |
6586adf5 EJ |
1454 | } |
1455 | ||
1456 | ovsdb_idl_txn_commit(txn); | |
1457 | ovsdb_idl_txn_destroy(txn); | |
1458 | } | |
064af421 BP |
1459 | } |
1460 | ||
1461 | void | |
1462 | bridge_wait(void) | |
1463 | { | |
1464 | struct bridge *br; | |
1465 | ||
764072fd | 1466 | HMAP_FOR_EACH (br, node, &all_bridges) { |
064af421 | 1467 | ofproto_wait(br->ofproto); |
064af421 | 1468 | } |
c5187f17 | 1469 | ovsdb_idl_wait(idl); |
cd0cd65f | 1470 | poll_timer_wait_until(stats_timer); |
6586adf5 | 1471 | |
815cd583 EJ |
1472 | if (db_limiter > time_msec()) { |
1473 | poll_timer_wait_until(db_limiter); | |
6586adf5 | 1474 | } |
064af421 | 1475 | } |
8c4c1387 | 1476 | \f |
e8fe3026 EJ |
1477 | /* QoS unixctl user interface functions. */ |
1478 | ||
1479 | struct qos_unixctl_show_cbdata { | |
1480 | struct ds *ds; | |
1481 | struct iface *iface; | |
1482 | }; | |
1483 | ||
1484 | static void | |
1485 | qos_unixctl_show_cb(unsigned int queue_id, | |
1486 | const struct shash *details, | |
1487 | void *aux) | |
1488 | { | |
1489 | struct qos_unixctl_show_cbdata *data = aux; | |
1490 | struct ds *ds = data->ds; | |
1491 | struct iface *iface = data->iface; | |
1492 | struct netdev_queue_stats stats; | |
1493 | struct shash_node *node; | |
1494 | int error; | |
1495 | ||
1496 | ds_put_cstr(ds, "\n"); | |
1497 | if (queue_id) { | |
1498 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
1499 | } else { | |
1500 | ds_put_cstr(ds, "Default:\n"); | |
1501 | } | |
1502 | ||
1503 | SHASH_FOR_EACH (node, details) { | |
1504 | ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data); | |
1505 | } | |
1506 | ||
1507 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
1508 | if (!error) { | |
1509 | if (stats.tx_packets != UINT64_MAX) { | |
1510 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
1511 | } | |
1512 | ||
1513 | if (stats.tx_bytes != UINT64_MAX) { | |
1514 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
1515 | } | |
1516 | ||
1517 | if (stats.tx_errors != UINT64_MAX) { | |
1518 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
1519 | } | |
1520 | } else { | |
1521 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
1522 | queue_id, strerror(error)); | |
1523 | } | |
1524 | } | |
1525 | ||
1526 | static void | |
1527 | qos_unixctl_show(struct unixctl_conn *conn, | |
1528 | const char *args, void *aux OVS_UNUSED) | |
1529 | { | |
1530 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1531 | struct shash sh = SHASH_INITIALIZER(&sh); | |
1532 | struct iface *iface; | |
1533 | const char *type; | |
1534 | struct shash_node *node; | |
1535 | struct qos_unixctl_show_cbdata data; | |
1536 | int error; | |
1537 | ||
1538 | iface = iface_find(args); | |
1539 | if (!iface) { | |
1540 | unixctl_command_reply(conn, 501, "no such interface"); | |
1541 | return; | |
1542 | } | |
1543 | ||
1544 | netdev_get_qos(iface->netdev, &type, &sh); | |
1545 | ||
1546 | if (*type != '\0') { | |
1547 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
1548 | ||
1549 | SHASH_FOR_EACH (node, &sh) { | |
1550 | ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data); | |
1551 | } | |
1552 | ||
1553 | data.ds = &ds; | |
1554 | data.iface = iface; | |
1555 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
1556 | ||
1557 | if (error) { | |
1558 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
1559 | } | |
1560 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1561 | } else { | |
1562 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
1563 | unixctl_command_reply(conn, 501, ds_cstr(&ds)); | |
1564 | } | |
1565 | ||
1566 | shash_destroy_free_data(&sh); | |
1567 | ds_destroy(&ds); | |
1568 | } | |
1569 | \f | |
064af421 | 1570 | /* Bridge reconfiguration functions. */ |
66da9bef | 1571 | static void |
1a6f1e2a | 1572 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
1573 | { |
1574 | struct bridge *br; | |
064af421 | 1575 | |
1a6f1e2a | 1576 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 1577 | br = xzalloc(sizeof *br); |
064af421 | 1578 | |
1a6f1e2a | 1579 | br->name = xstrdup(br_cfg->name); |
f79e673f | 1580 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 1581 | br->cfg = br_cfg; |
e3f55cb8 BP |
1582 | |
1583 | /* Derive the default Ethernet address from the bridge's UUID. This should | |
1584 | * be unique and it will be stable between ovs-vswitchd runs. */ | |
1585 | memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN); | |
1586 | eth_addr_mark_random(br->default_ea); | |
064af421 | 1587 | |
8052fb14 | 1588 | hmap_init(&br->ports); |
d9a8717a | 1589 | hmap_init(&br->ifaces); |
ebea37cc | 1590 | hmap_init(&br->iface_by_name); |
fa066f01 | 1591 | hmap_init(&br->mirrors); |
4a1ee6ae | 1592 | |
764072fd | 1593 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
1594 | } |
1595 | ||
1596 | static void | |
1597 | bridge_destroy(struct bridge *br) | |
1598 | { | |
1599 | if (br) { | |
fa066f01 BP |
1600 | struct mirror *mirror, *next_mirror; |
1601 | struct port *port, *next_port; | |
064af421 | 1602 | |
fa066f01 | 1603 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 1604 | port_destroy(port); |
064af421 | 1605 | } |
fa066f01 BP |
1606 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
1607 | mirror_destroy(mirror); | |
f76e2dfc | 1608 | } |
764072fd | 1609 | hmap_remove(&all_bridges, &br->node); |
6d6ab93e | 1610 | ofproto_destroy(br->ofproto); |
d9a8717a | 1611 | hmap_destroy(&br->ifaces); |
8052fb14 | 1612 | hmap_destroy(&br->ports); |
ebea37cc | 1613 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 1614 | hmap_destroy(&br->mirrors); |
064af421 | 1615 | free(br->name); |
66da9bef | 1616 | free(br->type); |
064af421 BP |
1617 | free(br); |
1618 | } | |
1619 | } | |
1620 | ||
1621 | static struct bridge * | |
1622 | bridge_lookup(const char *name) | |
1623 | { | |
1624 | struct bridge *br; | |
1625 | ||
764072fd | 1626 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
1627 | if (!strcmp(br->name, name)) { |
1628 | return br; | |
1629 | } | |
1630 | } | |
1631 | return NULL; | |
1632 | } | |
1633 | ||
4f2cad2c JP |
1634 | /* Handle requests for a listing of all flows known by the OpenFlow |
1635 | * stack, including those normally hidden. */ | |
1636 | static void | |
8ca79daa | 1637 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, |
c69ee87c | 1638 | const char *args, void *aux OVS_UNUSED) |
4f2cad2c JP |
1639 | { |
1640 | struct bridge *br; | |
1641 | struct ds results; | |
d295e8e9 | 1642 | |
4f2cad2c JP |
1643 | br = bridge_lookup(args); |
1644 | if (!br) { | |
1645 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1646 | return; | |
1647 | } | |
1648 | ||
1649 | ds_init(&results); | |
1650 | ofproto_get_all_flows(br->ofproto, &results); | |
1651 | ||
1652 | unixctl_command_reply(conn, 200, ds_cstr(&results)); | |
1653 | ds_destroy(&results); | |
1654 | } | |
1655 | ||
fa05809b BP |
1656 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
1657 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
1658 | * drop their controller connections and reconnect. */ | |
1659 | static void | |
1660 | bridge_unixctl_reconnect(struct unixctl_conn *conn, | |
1661 | const char *args, void *aux OVS_UNUSED) | |
1662 | { | |
1663 | struct bridge *br; | |
1664 | if (args[0] != '\0') { | |
1665 | br = bridge_lookup(args); | |
1666 | if (!br) { | |
1667 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1668 | return; | |
1669 | } | |
1670 | ofproto_reconnect_controllers(br->ofproto); | |
1671 | } else { | |
764072fd | 1672 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
1673 | ofproto_reconnect_controllers(br->ofproto); |
1674 | } | |
1675 | } | |
1676 | unixctl_command_reply(conn, 200, NULL); | |
1677 | } | |
1678 | ||
76ce9432 | 1679 | static size_t |
1a048029 | 1680 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 1681 | struct ovsrec_controller ***controllersp) |
064af421 | 1682 | { |
76ce9432 BP |
1683 | struct ovsrec_controller **controllers; |
1684 | size_t n_controllers; | |
064af421 | 1685 | |
1a048029 JP |
1686 | controllers = br->cfg->controller; |
1687 | n_controllers = br->cfg->n_controller; | |
76343538 | 1688 | |
76ce9432 BP |
1689 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
1690 | controllers = NULL; | |
1691 | n_controllers = 0; | |
064af421 | 1692 | } |
76343538 | 1693 | |
76ce9432 BP |
1694 | if (controllersp) { |
1695 | *controllersp = controllers; | |
1696 | } | |
1697 | return n_controllers; | |
064af421 BP |
1698 | } |
1699 | ||
66da9bef BP |
1700 | /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match |
1701 | * those configured in 'br->cfg'. */ | |
064af421 | 1702 | static void |
66da9bef | 1703 | bridge_add_del_ports(struct bridge *br) |
064af421 | 1704 | { |
8052fb14 | 1705 | struct port *port, *next; |
76343538 | 1706 | struct shash_node *node; |
8052fb14 | 1707 | struct shash new_ports; |
6ae39834 | 1708 | size_t i; |
064af421 | 1709 | |
064af421 | 1710 | /* Collect new ports. */ |
76343538 BP |
1711 | shash_init(&new_ports); |
1712 | for (i = 0; i < br->cfg->n_ports; i++) { | |
1713 | const char *name = br->cfg->ports[i]->name; | |
1714 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
1715 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
1716 | br->name, name); | |
1717 | } | |
1718 | } | |
b5827b24 BP |
1719 | if (bridge_get_controllers(br, NULL) |
1720 | && !shash_find(&new_ports, br->name)) { | |
cfea354b BP |
1721 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
1722 | br->name, br->name); | |
72865317 | 1723 | |
cfea354b BP |
1724 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
1725 | br->synth_local_port.n_interfaces = 1; | |
1726 | br->synth_local_port.name = br->name; | |
1727 | ||
1728 | br->synth_local_iface.name = br->name; | |
66da9bef | 1729 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
1730 | |
1731 | br->synth_local_ifacep = &br->synth_local_iface; | |
1732 | ||
1733 | shash_add(&new_ports, br->name, &br->synth_local_port); | |
064af421 | 1734 | } |
064af421 | 1735 | |
4a1ee6ae | 1736 | /* Get rid of deleted ports. |
66da9bef BP |
1737 | * Get rid of deleted interfaces on ports that still exist. |
1738 | * Update 'cfg' of ports that still exist. */ | |
8052fb14 | 1739 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
66da9bef BP |
1740 | port->cfg = shash_find_data(&new_ports, port->name); |
1741 | if (!port->cfg) { | |
4a1ee6ae BP |
1742 | port_destroy(port); |
1743 | } else { | |
66da9bef | 1744 | port_del_ifaces(port); |
064af421 BP |
1745 | } |
1746 | } | |
4a1ee6ae BP |
1747 | |
1748 | /* Create new ports. | |
66da9bef | 1749 | * Add new interfaces to existing ports. */ |
76343538 | 1750 | SHASH_FOR_EACH (node, &new_ports) { |
8052fb14 | 1751 | struct port *port = port_lookup(br, node->name); |
76343538 | 1752 | if (!port) { |
66da9bef BP |
1753 | struct ovsrec_port *cfg = node->data; |
1754 | port = port_create(br, cfg); | |
064af421 | 1755 | } |
66da9bef | 1756 | port_add_ifaces(port); |
402f2858 | 1757 | if (list_is_empty(&port->ifaces)) { |
ceb4559f JG |
1758 | VLOG_WARN("bridge %s: port %s has no interfaces, dropping", |
1759 | br->name, port->name); | |
1760 | port_destroy(port); | |
1761 | } | |
064af421 | 1762 | } |
76343538 | 1763 | shash_destroy(&new_ports); |
064af421 BP |
1764 | } |
1765 | ||
7d674866 BP |
1766 | /* Initializes 'oc' appropriately as a management service controller for |
1767 | * 'br'. | |
1768 | * | |
1769 | * The caller must free oc->target when it is no longer needed. */ | |
1770 | static void | |
1771 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
1772 | struct ofproto_controller *oc) | |
1773 | { | |
b43c6fe2 | 1774 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
1775 | oc->max_backoff = 0; |
1776 | oc->probe_interval = 60; | |
1777 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
1778 | oc->rate_limit = 0; |
1779 | oc->burst_limit = 0; | |
1780 | } | |
1781 | ||
1782 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
1783 | static void | |
1784 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
1785 | struct ofproto_controller *oc) | |
1786 | { | |
1787 | oc->target = c->target; | |
1788 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
1789 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
1790 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
1791 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
1792 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
1793 | oc->burst_limit = (c->controller_burst_limit | |
1794 | ? *c->controller_burst_limit : 0); | |
1795 | } | |
1796 | ||
1797 | /* Configures the IP stack for 'br''s local interface properly according to the | |
1798 | * configuration in 'c'. */ | |
1799 | static void | |
1800 | bridge_configure_local_iface_netdev(struct bridge *br, | |
1801 | struct ovsrec_controller *c) | |
1802 | { | |
1803 | struct netdev *netdev; | |
1804 | struct in_addr mask, gateway; | |
1805 | ||
1806 | struct iface *local_iface; | |
1807 | struct in_addr ip; | |
1808 | ||
7d674866 | 1809 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 1810 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
7d674866 BP |
1811 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { |
1812 | return; | |
1813 | } | |
1814 | ||
1815 | /* Bring up the local interface. */ | |
1816 | netdev = local_iface->netdev; | |
1817 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
1818 | ||
1819 | /* Configure the IP address and netmask. */ | |
1820 | if (!c->local_netmask | |
1821 | || !inet_aton(c->local_netmask, &mask) | |
1822 | || !mask.s_addr) { | |
1823 | mask.s_addr = guess_netmask(ip.s_addr); | |
1824 | } | |
1825 | if (!netdev_set_in4(netdev, ip, mask)) { | |
1826 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
1827 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
1828 | } | |
1829 | ||
1830 | /* Configure the default gateway. */ | |
1831 | if (c->local_gateway | |
1832 | && inet_aton(c->local_gateway, &gateway) | |
1833 | && gateway.s_addr) { | |
1834 | if (!netdev_add_router(netdev, gateway)) { | |
1835 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
1836 | br->name, IP_ARGS(&gateway.s_addr)); | |
1837 | } | |
1838 | } | |
1839 | } | |
1840 | ||
064af421 | 1841 | static void |
fa066f01 BP |
1842 | bridge_configure_remotes(struct bridge *br, |
1843 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 1844 | { |
b1da6250 BP |
1845 | const char *disable_ib_str, *queue_id_str; |
1846 | bool disable_in_band = false; | |
1847 | int queue_id; | |
1848 | ||
76ce9432 BP |
1849 | struct ovsrec_controller **controllers; |
1850 | size_t n_controllers; | |
7d674866 | 1851 | |
66da9bef | 1852 | enum ofproto_fail_mode fail_mode; |
7d674866 BP |
1853 | |
1854 | struct ofproto_controller *ocs; | |
1855 | size_t n_ocs; | |
1856 | size_t i; | |
064af421 | 1857 | |
8731b2b6 JP |
1858 | /* Check if we should disable in-band control on this bridge. */ |
1859 | disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band"); | |
1860 | if (disable_ib_str && !strcmp(disable_ib_str, "true")) { | |
1861 | disable_in_band = true; | |
1862 | } | |
1863 | ||
b1da6250 BP |
1864 | /* Set OpenFlow queue ID for in-band control. */ |
1865 | queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue"); | |
1866 | queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1; | |
1867 | ofproto_set_in_band_queue(br->ofproto, queue_id); | |
1868 | ||
8731b2b6 JP |
1869 | if (disable_in_band) { |
1870 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
1871 | } else { | |
1872 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
1873 | } | |
cd11000b | 1874 | |
1a048029 | 1875 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 1876 | |
7d674866 BP |
1877 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
1878 | n_ocs = 0; | |
064af421 | 1879 | |
7d674866 BP |
1880 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
1881 | for (i = 0; i < n_controllers; i++) { | |
1882 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 1883 | |
7d674866 BP |
1884 | if (!strncmp(c->target, "punix:", 6) |
1885 | || !strncmp(c->target, "unix:", 5)) { | |
1886 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4d6fb5eb | 1887 | |
7d674866 BP |
1888 | /* Prevent remote ovsdb-server users from accessing arbitrary Unix |
1889 | * domain sockets and overwriting arbitrary local files. */ | |
be6255a8 BP |
1890 | VLOG_ERR_RL(&rl, "bridge %s: not adding Unix domain socket " |
1891 | "controller \"%s\" due to possibility for remote " | |
1892 | "exploit", br->name, c->target); | |
7d674866 | 1893 | continue; |
4d6fb5eb EJ |
1894 | } |
1895 | ||
7d674866 | 1896 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
1897 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
1898 | if (disable_in_band) { | |
1899 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
f620b43a | 1900 | } |
8731b2b6 | 1901 | n_ocs++; |
be02e7c3 | 1902 | } |
be02e7c3 | 1903 | |
7d674866 BP |
1904 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
1905 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
1906 | free(ocs); | |
66da9bef BP |
1907 | |
1908 | /* Set the fail-mode. */ | |
1909 | fail_mode = !br->cfg->fail_mode | |
1910 | || !strcmp(br->cfg->fail_mode, "standalone") | |
1911 | ? OFPROTO_FAIL_STANDALONE | |
1912 | : OFPROTO_FAIL_SECURE; | |
1913 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
1914 | ||
1915 | /* Configure OpenFlow controller connection snooping. */ | |
1916 | if (!ofproto_has_snoops(br->ofproto)) { | |
1917 | struct sset snoops; | |
5827ce14 | 1918 | |
66da9bef BP |
1919 | sset_init(&snoops); |
1920 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
1921 | ovs_rundir(), br->name)); | |
1922 | ofproto_set_snoops(br->ofproto, &snoops); | |
1923 | sset_destroy(&snoops); | |
064af421 BP |
1924 | } |
1925 | } | |
064af421 | 1926 | \f |
fa066f01 | 1927 | /* Port functions. */ |
064af421 | 1928 | |
f620b43a | 1929 | static struct port * |
fa066f01 | 1930 | port_create(struct bridge *br, const struct ovsrec_port *cfg) |
064af421 | 1931 | { |
f620b43a BP |
1932 | struct port *port; |
1933 | ||
1934 | port = xzalloc(sizeof *port); | |
1935 | port->bridge = br; | |
fa066f01 BP |
1936 | port->name = xstrdup(cfg->name); |
1937 | port->cfg = cfg; | |
f620b43a BP |
1938 | list_init(&port->ifaces); |
1939 | ||
1940 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); | |
1941 | ||
1942 | VLOG_INFO("created port %s on bridge %s", port->name, br->name); | |
f620b43a BP |
1943 | |
1944 | return port; | |
064af421 BP |
1945 | } |
1946 | ||
f620b43a BP |
1947 | static const char * |
1948 | get_port_other_config(const struct ovsrec_port *port, const char *key, | |
1949 | const char *default_value) | |
064af421 | 1950 | { |
f620b43a BP |
1951 | const char *value; |
1952 | ||
1953 | value = get_ovsrec_key_value(&port->header_, &ovsrec_port_col_other_config, | |
1954 | key); | |
1955 | return value ? value : default_value; | |
064af421 BP |
1956 | } |
1957 | ||
f620b43a BP |
1958 | static const char * |
1959 | get_interface_other_config(const struct ovsrec_interface *iface, | |
1960 | const char *key, const char *default_value) | |
064af421 | 1961 | { |
f620b43a BP |
1962 | const char *value; |
1963 | ||
1964 | value = get_ovsrec_key_value(&iface->header_, | |
1965 | &ovsrec_interface_col_other_config, key); | |
1966 | return value ? value : default_value; | |
064af421 BP |
1967 | } |
1968 | ||
fa066f01 | 1969 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
064af421 | 1970 | static void |
fa066f01 | 1971 | port_del_ifaces(struct port *port) |
064af421 | 1972 | { |
f620b43a BP |
1973 | struct iface *iface, *next; |
1974 | struct sset new_ifaces; | |
1975 | size_t i; | |
064af421 | 1976 | |
f620b43a BP |
1977 | /* Collect list of new interfaces. */ |
1978 | sset_init(&new_ifaces); | |
fa066f01 BP |
1979 | for (i = 0; i < port->cfg->n_interfaces; i++) { |
1980 | const char *name = port->cfg->interfaces[i]->name; | |
00794817 BP |
1981 | const char *type = port->cfg->interfaces[i]->name; |
1982 | if (strcmp(type, "null")) { | |
1983 | sset_add(&new_ifaces, name); | |
1984 | } | |
f620b43a | 1985 | } |
064af421 | 1986 | |
f620b43a BP |
1987 | /* Get rid of deleted interfaces. */ |
1988 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
1989 | if (!sset_contains(&new_ifaces, iface->name)) { | |
1990 | iface_destroy(iface); | |
064af421 | 1991 | } |
064af421 | 1992 | } |
f620b43a BP |
1993 | |
1994 | sset_destroy(&new_ifaces); | |
064af421 BP |
1995 | } |
1996 | ||
fa066f01 BP |
1997 | /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of |
1998 | * existing ones. */ | |
064af421 | 1999 | static void |
fa066f01 | 2000 | port_add_ifaces(struct port *port) |
064af421 | 2001 | { |
fa066f01 BP |
2002 | struct shash new_ifaces; |
2003 | struct shash_node *node; | |
2004 | size_t i; | |
064af421 | 2005 | |
fa066f01 BP |
2006 | /* Collect new ifaces. */ |
2007 | shash_init(&new_ifaces); | |
2008 | for (i = 0; i < port->cfg->n_interfaces; i++) { | |
2009 | const struct ovsrec_interface *cfg = port->cfg->interfaces[i]; | |
00794817 BP |
2010 | if (strcmp(cfg->type, "null") |
2011 | && !shash_add_once(&new_ifaces, cfg->name, cfg)) { | |
fa066f01 BP |
2012 | VLOG_WARN("port %s: %s specified twice as port interface", |
2013 | port->name, cfg->name); | |
2014 | iface_set_ofport(cfg, -1); | |
f620b43a | 2015 | } |
064af421 | 2016 | } |
be02e7c3 | 2017 | |
fa066f01 BP |
2018 | /* Create new interfaces. |
2019 | * Update interface types and 'cfg' members. */ | |
2020 | SHASH_FOR_EACH (node, &new_ifaces) { | |
2021 | const struct ovsrec_interface *cfg = node->data; | |
2022 | const char *iface_name = node->name; | |
76343538 BP |
2023 | struct iface *iface; |
2024 | ||
fa066f01 BP |
2025 | iface = iface_lookup(port->bridge, iface_name); |
2026 | if (!iface) { | |
2027 | iface = iface_create(port, cfg); | |
2028 | } else { | |
2029 | iface->cfg = cfg; | |
4a1ee6ae BP |
2030 | } |
2031 | ||
84b32864 EJ |
2032 | /* Determine interface type. The local port always has type |
2033 | * "internal". Other ports take their type from the database and | |
2034 | * default to "system" if none is specified. */ | |
fa066f01 BP |
2035 | iface->type = (!strcmp(iface_name, port->bridge->name) ? "internal" |
2036 | : cfg->type[0] ? cfg->type | |
2037 | : "system"); | |
d5346278 | 2038 | } |
fa066f01 | 2039 | shash_destroy(&new_ifaces); |
064af421 BP |
2040 | } |
2041 | ||
2042 | static void | |
2043 | port_destroy(struct port *port) | |
2044 | { | |
2045 | if (port) { | |
2046 | struct bridge *br = port->bridge; | |
83db7968 | 2047 | struct iface *iface, *next; |
064af421 | 2048 | |
fa066f01 BP |
2049 | if (br->ofproto) { |
2050 | ofproto_bundle_unregister(br->ofproto, port); | |
064af421 BP |
2051 | } |
2052 | ||
83db7968 BP |
2053 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2054 | iface_destroy(iface); | |
064af421 BP |
2055 | } |
2056 | ||
8052fb14 | 2057 | hmap_remove(&br->ports, &port->hmap_node); |
064af421 | 2058 | |
99707a7a JP |
2059 | VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name); |
2060 | ||
064af421 BP |
2061 | free(port->name); |
2062 | free(port); | |
064af421 BP |
2063 | } |
2064 | } | |
2065 | ||
064af421 BP |
2066 | static struct port * |
2067 | port_lookup(const struct bridge *br, const char *name) | |
2068 | { | |
8052fb14 BP |
2069 | struct port *port; |
2070 | ||
2071 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
2072 | &br->ports) { | |
2073 | if (!strcmp(port->name, name)) { | |
2074 | return port; | |
2075 | } | |
2076 | } | |
2077 | return NULL; | |
064af421 BP |
2078 | } |
2079 | ||
7a673515 BP |
2080 | static bool |
2081 | enable_lacp(struct port *port, bool *activep) | |
2082 | { | |
2083 | if (!port->cfg->lacp) { | |
2084 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
2085 | * default and make active on bonded ports. */ | |
2086 | return false; | |
2087 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
2088 | return false; | |
2089 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
2090 | *activep = true; | |
2091 | return true; | |
2092 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
2093 | *activep = false; | |
2094 | return true; | |
2095 | } else { | |
2096 | VLOG_WARN("port %s: unknown LACP mode %s", | |
2097 | port->name, port->cfg->lacp); | |
2098 | return false; | |
2099 | } | |
2100 | } | |
2101 | ||
fa066f01 BP |
2102 | static struct lacp_settings * |
2103 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 2104 | { |
cdcf42c6 EJ |
2105 | const char *lacp_time; |
2106 | long long int custom_time; | |
b5a25389 | 2107 | int priority; |
5827ce14 | 2108 | |
fa066f01 BP |
2109 | if (!enable_lacp(port, &s->active)) { |
2110 | return NULL; | |
abd4a95d EJ |
2111 | } |
2112 | ||
fa066f01 BP |
2113 | s->name = port->name; |
2114 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); | |
b5a25389 BP |
2115 | |
2116 | /* Prefer bondable links if unspecified. */ | |
2117 | priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority", | |
2118 | "0")); | |
fa066f01 BP |
2119 | s->priority = (priority > 0 && priority <= UINT16_MAX |
2120 | ? priority | |
2121 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 2122 | |
00794817 BP |
2123 | s->heartbeat = !strcmp(get_port_other_config(port->cfg, |
2124 | "lacp-heartbeat", | |
2125 | "false"), "true"); | |
b5a25389 | 2126 | |
da2f7b8f | 2127 | |
cdcf42c6 EJ |
2128 | lacp_time = get_port_other_config(port->cfg, "lacp-time", "slow"); |
2129 | custom_time = atoi(lacp_time); | |
2130 | if (!strcmp(lacp_time, "fast")) { | |
fa066f01 | 2131 | s->lacp_time = LACP_TIME_FAST; |
cdcf42c6 | 2132 | } else if (!strcmp(lacp_time, "slow")) { |
fa066f01 | 2133 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 | 2134 | } else if (custom_time > 0) { |
fa066f01 BP |
2135 | s->lacp_time = LACP_TIME_CUSTOM; |
2136 | s->custom_time = custom_time; | |
cdcf42c6 | 2137 | } else { |
fa066f01 | 2138 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 EJ |
2139 | } |
2140 | ||
fa066f01 BP |
2141 | return s; |
2142 | } | |
5827ce14 | 2143 | |
fa066f01 BP |
2144 | static void |
2145 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
2146 | { | |
00794817 | 2147 | int priority, portid, key; |
5827ce14 | 2148 | |
fa066f01 BP |
2149 | portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0")); |
2150 | priority = atoi(get_interface_other_config(iface->cfg, | |
2151 | "lacp-port-priority", "0")); | |
00794817 BP |
2152 | key = atoi(get_interface_other_config(iface->cfg, "lacp-aggregation-key", |
2153 | "0")); | |
fa066f01 BP |
2154 | |
2155 | if (portid <= 0 || portid > UINT16_MAX) { | |
892815f5 | 2156 | portid = iface->ofp_port; |
5827ce14 EJ |
2157 | } |
2158 | ||
fa066f01 BP |
2159 | if (priority <= 0 || priority > UINT16_MAX) { |
2160 | priority = UINT16_MAX; | |
2161 | } | |
5827ce14 | 2162 | |
00794817 BP |
2163 | if (key < 0 || key > UINT16_MAX) { |
2164 | key = 0; | |
5827ce14 | 2165 | } |
00794817 | 2166 | |
fa066f01 | 2167 | s->name = iface->name; |
fa066f01 BP |
2168 | s->id = portid; |
2169 | s->priority = priority; | |
00794817 | 2170 | s->key = key; |
bb5bc6c0 BP |
2171 | } |
2172 | ||
c25c91fd | 2173 | static void |
76ed83fc BP |
2174 | port_configure_bond(struct port *port, struct bond_settings *s, |
2175 | uint32_t *bond_stable_ids) | |
c25c91fd | 2176 | { |
f620b43a | 2177 | const char *detect_s; |
7a673515 | 2178 | struct iface *iface; |
1670c579 | 2179 | int miimon_interval; |
76ed83fc | 2180 | size_t i; |
c25c91fd | 2181 | |
fa066f01 BP |
2182 | s->name = port->name; |
2183 | s->balance = BM_SLB; | |
f620b43a | 2184 | if (port->cfg->bond_mode |
fa066f01 | 2185 | && !bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { |
f620b43a BP |
2186 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", |
2187 | port->name, port->cfg->bond_mode, | |
fa066f01 | 2188 | bond_mode_to_string(s->balance)); |
f620b43a | 2189 | } |
bb5bc6c0 | 2190 | |
1670c579 EJ |
2191 | miimon_interval = atoi(get_port_other_config(port->cfg, |
2192 | "bond-miimon-interval", "0")); | |
2193 | if (miimon_interval <= 0) { | |
2194 | miimon_interval = 200; | |
f620b43a BP |
2195 | } |
2196 | ||
1670c579 EJ |
2197 | detect_s = get_port_other_config(port->cfg, "bond-detect-mode", "carrier"); |
2198 | if (!strcmp(detect_s, "carrier")) { | |
2199 | miimon_interval = 0; | |
2200 | } else if (strcmp(detect_s, "miimon")) { | |
2201 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
2202 | "defaulting to carrier", port->name, detect_s); | |
2203 | miimon_interval = 0; | |
f620b43a BP |
2204 | } |
2205 | ||
fa066f01 BP |
2206 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
2207 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
00794817 | 2208 | s->basis = atoi(get_port_other_config(port->cfg, "bond-hash-basis", "0")); |
fa066f01 | 2209 | s->rebalance_interval = atoi( |
f620b43a | 2210 | get_port_other_config(port->cfg, "bond-rebalance-interval", "10000")); |
fa066f01 BP |
2211 | if (s->rebalance_interval < 1000) { |
2212 | s->rebalance_interval = 1000; | |
f620b43a BP |
2213 | } |
2214 | ||
fa066f01 | 2215 | s->fake_iface = port->cfg->bond_fake_iface; |
7a673515 | 2216 | |
76ed83fc | 2217 | i = 0; |
7a673515 | 2218 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
632e2b95 EJ |
2219 | long long stable_id; |
2220 | ||
2221 | stable_id = atoll(get_interface_other_config(iface->cfg, | |
2222 | "bond-stable-id", "0")); | |
632e2b95 | 2223 | if (stable_id <= 0 || stable_id >= UINT32_MAX) { |
76ed83fc | 2224 | stable_id = iface->ofp_port; |
632e2b95 | 2225 | } |
76ed83fc | 2226 | bond_stable_ids[i++] = stable_id; |
1670c579 EJ |
2227 | |
2228 | netdev_set_miimon_interval(iface->netdev, miimon_interval); | |
064af421 BP |
2229 | } |
2230 | } | |
064af421 BP |
2231 | \f |
2232 | /* Interface functions. */ | |
2233 | ||
76343538 | 2234 | static struct iface * |
a740f0de | 2235 | iface_create(struct port *port, const struct ovsrec_interface *if_cfg) |
064af421 | 2236 | { |
4a1ee6ae | 2237 | struct bridge *br = port->bridge; |
064af421 | 2238 | struct iface *iface; |
a740f0de | 2239 | char *name = if_cfg->name; |
064af421 | 2240 | |
ec6fde61 | 2241 | iface = xzalloc(sizeof *iface); |
064af421 | 2242 | iface->port = port; |
064af421 | 2243 | iface->name = xstrdup(name); |
892815f5 | 2244 | iface->ofp_port = -1; |
064af421 | 2245 | iface->tag = tag_create_random(); |
0c6aea3f | 2246 | iface->netdev = NULL; |
149f577a | 2247 | iface->cfg = if_cfg; |
064af421 | 2248 | |
ebea37cc | 2249 | hmap_insert(&br->iface_by_name, &iface->name_node, hash_string(name, 0)); |
2457b24f | 2250 | |
83db7968 | 2251 | list_push_back(&port->ifaces, &iface->port_elem); |
83db7968 | 2252 | |
064af421 BP |
2253 | VLOG_DBG("attached network device %s to port %s", iface->name, port->name); |
2254 | ||
76343538 | 2255 | return iface; |
064af421 BP |
2256 | } |
2257 | ||
2258 | static void | |
2259 | iface_destroy(struct iface *iface) | |
2260 | { | |
2261 | if (iface) { | |
2262 | struct port *port = iface->port; | |
2263 | struct bridge *br = port->bridge; | |
c17f0d5e | 2264 | |
892815f5 BP |
2265 | if (br->ofproto && iface->ofp_port >= 0) { |
2266 | ofproto_port_unregister(br->ofproto, iface->ofp_port); | |
5827ce14 EJ |
2267 | } |
2268 | ||
892815f5 BP |
2269 | if (iface->ofp_port >= 0) { |
2270 | hmap_remove(&br->ifaces, &iface->ofp_port_node); | |
064af421 BP |
2271 | } |
2272 | ||
83db7968 | 2273 | list_remove(&iface->port_elem); |
ebea37cc | 2274 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 2275 | |
0c6aea3f | 2276 | netdev_close(iface->netdev); |
064af421 | 2277 | |
a740f0de JG |
2278 | free(iface->name); |
2279 | free(iface); | |
064af421 BP |
2280 | } |
2281 | } | |
2282 | ||
2283 | static struct iface * | |
2284 | iface_lookup(const struct bridge *br, const char *name) | |
2285 | { | |
ebea37cc BP |
2286 | struct iface *iface; |
2287 | ||
2288 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
2289 | &br->iface_by_name) { | |
2290 | if (!strcmp(iface->name, name)) { | |
2291 | return iface; | |
2292 | } | |
2293 | } | |
2294 | ||
2295 | return NULL; | |
064af421 BP |
2296 | } |
2297 | ||
e8fe3026 EJ |
2298 | static struct iface * |
2299 | iface_find(const char *name) | |
2300 | { | |
2301 | const struct bridge *br; | |
2302 | ||
764072fd | 2303 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
2304 | struct iface *iface = iface_lookup(br, name); |
2305 | ||
2306 | if (iface) { | |
2307 | return iface; | |
2308 | } | |
2309 | } | |
2310 | return NULL; | |
2311 | } | |
2312 | ||
064af421 | 2313 | static struct iface * |
892815f5 | 2314 | iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port) |
064af421 | 2315 | { |
d9a8717a BP |
2316 | struct iface *iface; |
2317 | ||
892815f5 BP |
2318 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, |
2319 | hash_int(ofp_port, 0), &br->ifaces) { | |
2320 | if (iface->ofp_port == ofp_port) { | |
d9a8717a BP |
2321 | return iface; |
2322 | } | |
2323 | } | |
2324 | return NULL; | |
064af421 | 2325 | } |
557d8e6c | 2326 | |
52df17e7 BP |
2327 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
2328 | * file. */ | |
2329 | static void | |
2330 | iface_set_mac(struct iface *iface) | |
2331 | { | |
76343538 | 2332 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 2333 | |
ede2fd6d BP |
2334 | if (!strcmp(iface->type, "internal") |
2335 | && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
892815f5 | 2336 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
2337 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
2338 | "(use Bridge record to set local port's mac)", | |
2339 | iface->name); | |
2340 | } else if (eth_addr_is_multicast(ea)) { | |
52df17e7 BP |
2341 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
2342 | iface->name); | |
52df17e7 | 2343 | } else { |
4d678233 | 2344 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
2345 | if (error) { |
2346 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
2347 | iface->name, strerror(error)); | |
2348 | } | |
2349 | } | |
2350 | } | |
2351 | } | |
c1c9c9c4 | 2352 | |
bcd49a45 BP |
2353 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
2354 | static void | |
2355 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
2356 | { | |
cfea354b | 2357 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
bcd49a45 BP |
2358 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); |
2359 | } | |
2360 | } | |
2361 | ||
43776b8f BP |
2362 | /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'. |
2363 | * | |
2364 | * The value strings in '*shash' are taken directly from values[], not copied, | |
2365 | * so the caller should not modify or free them. */ | |
c1c9c9c4 BP |
2366 | static void |
2367 | shash_from_ovs_idl_map(char **keys, char **values, size_t n, | |
2368 | struct shash *shash) | |
2369 | { | |
2370 | size_t i; | |
2371 | ||
2372 | shash_init(shash); | |
2373 | for (i = 0; i < n; i++) { | |
2374 | shash_add(shash, keys[i], values[i]); | |
2375 | } | |
2376 | } | |
2377 | ||
ea763e0e EJ |
2378 | /* Creates 'keys' and 'values' arrays from 'shash'. |
2379 | * | |
2380 | * Sets 'keys' and 'values' to heap allocated arrays representing the key-value | |
2381 | * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They | |
2382 | * are populated with with strings taken directly from 'shash' and thus have | |
2383 | * the same ownership of the key-value pairs in shash. | |
2384 | */ | |
2385 | static void | |
2386 | shash_to_ovs_idl_map(struct shash *shash, | |
2387 | char ***keys, char ***values, size_t *n) | |
2388 | { | |
2389 | size_t i, count; | |
2390 | char **k, **v; | |
2391 | struct shash_node *sn; | |
2392 | ||
2393 | count = shash_count(shash); | |
2394 | ||
2395 | k = xmalloc(count * sizeof *k); | |
2396 | v = xmalloc(count * sizeof *v); | |
2397 | ||
2398 | i = 0; | |
2399 | SHASH_FOR_EACH(sn, shash) { | |
2400 | k[i] = sn->name; | |
2401 | v[i] = sn->data; | |
2402 | i++; | |
2403 | } | |
2404 | ||
2405 | *n = count; | |
2406 | *keys = k; | |
2407 | *values = v; | |
2408 | } | |
2409 | ||
c1c9c9c4 BP |
2410 | struct iface_delete_queues_cbdata { |
2411 | struct netdev *netdev; | |
44fca7f9 | 2412 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
2413 | }; |
2414 | ||
2415 | static bool | |
44fca7f9 | 2416 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 2417 | { |
44fca7f9 | 2418 | union ovsdb_atom atom; |
c1c9c9c4 | 2419 | |
44fca7f9 BP |
2420 | atom.integer = target; |
2421 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
2422 | } |
2423 | ||
2424 | static void | |
2425 | iface_delete_queues(unsigned int queue_id, | |
2426 | const struct shash *details OVS_UNUSED, void *cbdata_) | |
2427 | { | |
2428 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
2429 | ||
44fca7f9 | 2430 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
2431 | netdev_delete_queue(cbdata->netdev, queue_id); |
2432 | } | |
2433 | } | |
2434 | ||
2435 | static void | |
66da9bef | 2436 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 2437 | { |
daa8bd2b | 2438 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
2439 | netdev_set_qos(iface->netdev, NULL, NULL); |
2440 | } else { | |
2441 | struct iface_delete_queues_cbdata cbdata; | |
2442 | struct shash details; | |
2443 | size_t i; | |
2444 | ||
2445 | /* Configure top-level Qos for 'iface'. */ | |
2446 | shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config, | |
2447 | qos->n_other_config, &details); | |
2448 | netdev_set_qos(iface->netdev, qos->type, &details); | |
2449 | shash_destroy(&details); | |
2450 | ||
2451 | /* Deconfigure queues that were deleted. */ | |
2452 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
2453 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
2454 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
2455 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
2456 | ||
2457 | /* Configure queues for 'iface'. */ | |
2458 | for (i = 0; i < qos->n_queues; i++) { | |
2459 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
2460 | unsigned int queue_id = qos->key_queues[i]; | |
2461 | ||
2462 | shash_from_ovs_idl_map(queue->key_other_config, | |
2463 | queue->value_other_config, | |
2464 | queue->n_other_config, &details); | |
2465 | netdev_set_queue(iface->netdev, queue_id, &details); | |
2466 | shash_destroy(&details); | |
2467 | } | |
2468 | } | |
fa066f01 BP |
2469 | |
2470 | netdev_set_policing(iface->netdev, | |
2471 | iface->cfg->ingress_policing_rate, | |
2472 | iface->cfg->ingress_policing_burst); | |
c1c9c9c4 | 2473 | } |
b31bcf60 EJ |
2474 | |
2475 | static void | |
66da9bef | 2476 | iface_configure_cfm(struct iface *iface) |
b31bcf60 | 2477 | { |
93b8df38 | 2478 | const struct ovsrec_interface *cfg = iface->cfg; |
a5610457 EJ |
2479 | struct cfm_settings s; |
2480 | uint16_t remote_mpid; | |
b31bcf60 | 2481 | |
93b8df38 | 2482 | if (!cfg->n_cfm_mpid || !cfg->n_cfm_remote_mpid) { |
892815f5 | 2483 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
2484 | return; |
2485 | } | |
2486 | ||
a5610457 EJ |
2487 | s.mpid = *cfg->cfm_mpid; |
2488 | remote_mpid = *cfg->cfm_remote_mpid; | |
2489 | s.remote_mpids = &remote_mpid; | |
2490 | s.n_remote_mpids = 1; | |
b31bcf60 | 2491 | |
a5610457 EJ |
2492 | s.interval = atoi(get_interface_other_config(iface->cfg, "cfm_interval", |
2493 | "0")); | |
2494 | if (s.interval <= 0) { | |
2495 | s.interval = 1000; | |
b31bcf60 | 2496 | } |
b31bcf60 | 2497 | |
a5610457 | 2498 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s); |
b31bcf60 | 2499 | } |
0b8024eb BP |
2500 | |
2501 | /* Read carrier or miimon status directly from 'iface''s netdev, according to | |
2502 | * how 'iface''s port is configured. | |
2503 | * | |
2504 | * Returns true if 'iface' is up, false otherwise. */ | |
2505 | static bool | |
2506 | iface_get_carrier(const struct iface *iface) | |
2507 | { | |
f620b43a BP |
2508 | /* XXX */ |
2509 | return netdev_get_carrier(iface->netdev); | |
0b8024eb | 2510 | } |
cfea354b BP |
2511 | |
2512 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally | |
2513 | * instead of obtaining it from the database. */ | |
2514 | static bool | |
2515 | iface_is_synthetic(const struct iface *iface) | |
2516 | { | |
2517 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
2518 | } | |
064af421 BP |
2519 | \f |
2520 | /* Port mirroring. */ | |
2521 | ||
dd0d105c BP |
2522 | static struct mirror * |
2523 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
2524 | { | |
fa066f01 | 2525 | struct mirror *m; |
dd0d105c | 2526 | |
fa066f01 BP |
2527 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
2528 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
2529 | return m; |
2530 | } | |
2531 | } | |
2532 | return NULL; | |
2533 | } | |
2534 | ||
064af421 | 2535 | static void |
fa066f01 | 2536 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 2537 | { |
fa066f01 BP |
2538 | const struct ovsdb_datum *mc; |
2539 | unsigned long *flood_vlans; | |
2540 | struct mirror *m, *next; | |
2541 | size_t i; | |
064af421 | 2542 | |
dd0d105c | 2543 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
2544 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
2545 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
2546 | union ovsdb_atom atom; | |
2547 | ||
2548 | atom.uuid = m->uuid; | |
2549 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
2550 | mirror_destroy(m); | |
064af421 BP |
2551 | } |
2552 | } | |
2553 | ||
dd0d105c | 2554 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 2555 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 2556 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 2557 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
2558 | if (!m) { |
2559 | m = mirror_create(br, cfg); | |
064af421 | 2560 | } |
fa066f01 BP |
2561 | if (!mirror_configure(m, cfg)) { |
2562 | mirror_destroy(m); | |
064af421 BP |
2563 | } |
2564 | } | |
f2d7fd66 | 2565 | |
8f30d09a | 2566 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
2567 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
2568 | br->cfg->n_flood_vlans); | |
2569 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
2570 | bitmap_free(flood_vlans); | |
064af421 BP |
2571 | } |
2572 | ||
fa066f01 BP |
2573 | static struct mirror * |
2574 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
2575 | { |
2576 | struct mirror *m; | |
064af421 | 2577 | |
fa066f01 | 2578 | m = xzalloc(sizeof *m); |
8bbc128e | 2579 | m->uuid = cfg->header_.uuid; |
fa066f01 | 2580 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 2581 | m->bridge = br; |
dd0d105c | 2582 | m->name = xstrdup(cfg->name); |
37e7f427 | 2583 | |
fa066f01 | 2584 | return m; |
064af421 BP |
2585 | } |
2586 | ||
2587 | static void | |
2588 | mirror_destroy(struct mirror *m) | |
2589 | { | |
2590 | if (m) { | |
2591 | struct bridge *br = m->bridge; | |
064af421 | 2592 | |
fa066f01 BP |
2593 | if (br->ofproto) { |
2594 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
2595 | } |
2596 | ||
fa066f01 | 2597 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 2598 | free(m->name); |
064af421 | 2599 | free(m); |
064af421 BP |
2600 | } |
2601 | } | |
2602 | ||
2603 | static void | |
fa066f01 BP |
2604 | mirror_collect_ports(struct mirror *m, |
2605 | struct ovsrec_port **in_ports, int n_in_ports, | |
2606 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 2607 | { |
fa066f01 BP |
2608 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
2609 | size_t n_out_ports = 0; | |
064af421 BP |
2610 | size_t i; |
2611 | ||
fa066f01 BP |
2612 | for (i = 0; i < n_in_ports; i++) { |
2613 | const char *name = in_ports[i]->name; | |
2614 | struct port *port = port_lookup(m->bridge, name); | |
2615 | if (port) { | |
2616 | out_ports[n_out_ports++] = port; | |
064af421 | 2617 | } else { |
37e7f427 BP |
2618 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
2619 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
2620 | } |
2621 | } | |
fa066f01 BP |
2622 | *out_portsp = out_ports; |
2623 | *n_out_portsp = n_out_ports; | |
064af421 BP |
2624 | } |
2625 | ||
2626 | static bool | |
fa066f01 | 2627 | mirror_configure(struct mirror *m, const struct ovsrec_mirror *cfg) |
064af421 | 2628 | { |
fa066f01 | 2629 | struct ofproto_mirror_settings s; |
064af421 | 2630 | |
dd0d105c BP |
2631 | /* Set name. */ |
2632 | if (strcmp(cfg->name, m->name)) { | |
2633 | free(m->name); | |
2634 | m->name = xstrdup(cfg->name); | |
2635 | } | |
fa066f01 | 2636 | s.name = m->name; |
dd0d105c | 2637 | |
fa066f01 | 2638 | /* Get output port or VLAN. */ |
37e7f427 | 2639 | if (cfg->output_port) { |
fa066f01 | 2640 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 2641 | if (!s.out_bundle) { |
37e7f427 BP |
2642 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
2643 | m->bridge->name, m->name); | |
fa066f01 | 2644 | return false; |
064af421 | 2645 | } |
fa066f01 | 2646 | s.out_vlan = UINT16_MAX; |
064af421 | 2647 | |
37e7f427 BP |
2648 | if (cfg->output_vlan) { |
2649 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
2650 | "output vlan; ignoring output vlan", | |
2651 | m->bridge->name, m->name); | |
064af421 | 2652 | } |
37e7f427 | 2653 | } else if (cfg->output_vlan) { |
fa066f01 BP |
2654 | /* The database should prevent invalid VLAN values. */ |
2655 | s.out_bundle = NULL; | |
2656 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 2657 | } else { |
37e7f427 BP |
2658 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
2659 | m->bridge->name, m->name); | |
fa066f01 | 2660 | return false; |
064af421 BP |
2661 | } |
2662 | ||
fa066f01 | 2663 | /* Get port selection. */ |
939ff267 | 2664 | if (cfg->select_all) { |
fa066f01 BP |
2665 | size_t n_ports = hmap_count(&m->bridge->ports); |
2666 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 2667 | struct port *port; |
fa066f01 BP |
2668 | size_t i; |
2669 | ||
2670 | i = 0; | |
8052fb14 | 2671 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 2672 | ports[i++] = port; |
939ff267 | 2673 | } |
fa066f01 BP |
2674 | |
2675 | s.srcs = ports; | |
2676 | s.n_srcs = n_ports; | |
2677 | ||
2678 | s.dsts = ports; | |
2679 | s.n_dsts = n_ports; | |
939ff267 | 2680 | } else { |
fa066f01 BP |
2681 | /* Get ports, dropping ports that don't exist. |
2682 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 2683 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 2684 | &s.srcs, &s.n_srcs); |
939ff267 | 2685 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 2686 | &s.dsts, &s.n_dsts); |
064af421 | 2687 | |
064af421 BP |
2688 | } |
2689 | ||
fa066f01 BP |
2690 | /* Get VLAN selection. */ |
2691 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
2692 | ||
2693 | /* Configure. */ | |
2694 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
2695 | ||
064af421 | 2696 | /* Clean up. */ |
fa066f01 BP |
2697 | if (s.srcs != s.dsts) { |
2698 | free(s.dsts); | |
2699 | } | |
2700 | free(s.srcs); | |
2701 | free(s.src_vlans); | |
2702 | ||
2703 | return true; | |
064af421 | 2704 | } |