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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 | 150 | static void bridge_configure_datapath_id(struct bridge *); |
084f5290 | 151 | static void bridge_configure_flow_eviction_threshold(struct bridge *); |
6f90b8f4 | 152 | static void bridge_configure_netflow(struct bridge *); |
8402c74b | 153 | static void bridge_configure_forward_bpdu(struct bridge *); |
6f90b8f4 | 154 | static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); |
fa066f01 BP |
155 | static void bridge_configure_remotes(struct bridge *, |
156 | const struct sockaddr_in *managers, | |
157 | size_t n_managers); | |
064af421 BP |
158 | static void bridge_pick_local_hw_addr(struct bridge *, |
159 | uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 160 | struct iface **hw_addr_iface); |
064af421 BP |
161 | static uint64_t bridge_pick_datapath_id(struct bridge *, |
162 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 163 | struct iface *hw_addr_iface); |
064af421 | 164 | static uint64_t dpid_from_hash(const void *, size_t nbytes); |
e8192d80 BP |
165 | static bool bridge_has_bond_fake_iface(const struct bridge *, |
166 | const char *name); | |
167 | static bool port_is_bond_fake_iface(const struct port *); | |
064af421 | 168 | |
e8fe3026 | 169 | static unixctl_cb_func qos_unixctl_show; |
8c4c1387 | 170 | |
66da9bef BP |
171 | static struct port *port_create(struct bridge *, const struct ovsrec_port *); |
172 | static void port_add_ifaces(struct port *); | |
173 | static void port_del_ifaces(struct port *); | |
064af421 BP |
174 | static void port_destroy(struct port *); |
175 | static struct port *port_lookup(const struct bridge *, const char *name); | |
fa066f01 BP |
176 | static void port_configure(struct port *); |
177 | static struct lacp_settings *port_configure_lacp(struct port *, | |
178 | struct lacp_settings *); | |
76ed83fc BP |
179 | static void port_configure_bond(struct port *, struct bond_settings *, |
180 | uint32_t *bond_stable_ids); | |
fa066f01 BP |
181 | |
182 | static void bridge_configure_mirrors(struct bridge *); | |
183 | static struct mirror *mirror_create(struct bridge *, | |
184 | const struct ovsrec_mirror *); | |
064af421 | 185 | static void mirror_destroy(struct mirror *); |
fa066f01 | 186 | static bool mirror_configure(struct mirror *, const struct ovsrec_mirror *); |
064af421 | 187 | |
fa066f01 | 188 | static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *); |
d295e8e9 | 189 | static struct iface *iface_create(struct port *port, |
a740f0de | 190 | const struct ovsrec_interface *if_cfg); |
064af421 BP |
191 | static void iface_destroy(struct iface *); |
192 | static struct iface *iface_lookup(const struct bridge *, const char *name); | |
e8fe3026 | 193 | static struct iface *iface_find(const char *name); |
892815f5 BP |
194 | static struct iface *iface_from_ofp_port(const struct bridge *, |
195 | uint16_t ofp_port); | |
52df17e7 | 196 | static void iface_set_mac(struct iface *); |
bcd49a45 | 197 | static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport); |
3fc5a86a | 198 | static void iface_clear_db_record(const struct ovsrec_interface *if_cfg); |
66da9bef BP |
199 | static void iface_configure_qos(struct iface *, const struct ovsrec_qos *); |
200 | static void iface_configure_cfm(struct iface *); | |
8f3fe844 | 201 | static void iface_refresh_cfm_stats(struct iface *); |
1101a0b4 AE |
202 | static void iface_refresh_stats(struct iface *); |
203 | static void iface_refresh_status(struct iface *); | |
0b8024eb | 204 | static bool iface_get_carrier(const struct iface *); |
cfea354b | 205 | static bool iface_is_synthetic(const struct iface *); |
064af421 | 206 | |
43776b8f BP |
207 | static void shash_from_ovs_idl_map(char **keys, char **values, size_t n, |
208 | struct shash *); | |
ea763e0e EJ |
209 | static void shash_to_ovs_idl_map(struct shash *, |
210 | char ***keys, char ***values, size_t *n); | |
064af421 BP |
211 | \f |
212 | /* Public functions. */ | |
213 | ||
c5187f17 BP |
214 | /* Initializes the bridge module, configuring it to obtain its configuration |
215 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
216 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 217 | void |
c5187f17 BP |
218 | bridge_init(const char *remote) |
219 | { | |
220 | /* Create connection to database. */ | |
ef73f86c | 221 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); |
06b6d651 | 222 | ovsdb_idl_set_lock(idl, "ovs_vswitchd"); |
c5187f17 | 223 | |
ef73f86c BP |
224 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
225 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 | 226 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
62f3aaed BP |
227 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version); |
228 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version); | |
229 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type); | |
230 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version); | |
e85bbd75 | 231 | |
62f3aaed | 232 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id); |
e85bbd75 BP |
233 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); |
234 | ||
235 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); | |
236 | ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge); | |
237 | ||
62f3aaed BP |
238 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state); |
239 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex); | |
240 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed); | |
241 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state); | |
242 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu); | |
ef73f86c BP |
243 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); |
244 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); | |
62f3aaed | 245 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status); |
b4117094 | 246 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault); |
1de11730 | 247 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids); |
b4117094 | 248 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current); |
e85bbd75 BP |
249 | ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); |
250 | ||
62f3aaed BP |
251 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected); |
252 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role); | |
253 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status); | |
254 | ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids); | |
255 | ||
62f3aaed BP |
256 | ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids); |
257 | ||
258 | ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids); | |
259 | ||
260 | ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids); | |
261 | ||
262 | ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids); | |
263 | ||
264 | ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids); | |
265 | ||
266 | ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids); | |
267 | ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe); | |
268 | ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected); | |
269 | ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff); | |
270 | ovsdb_idl_omit(idl, &ovsrec_manager_col_status); | |
271 | ||
272 | ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids); | |
273 | ||
c5187f17 | 274 | /* Register unixctl commands. */ |
7ff2009a JP |
275 | unixctl_command_register("qos/show", "interface", qos_unixctl_show, NULL); |
276 | unixctl_command_register("bridge/dump-flows", "bridge", | |
277 | bridge_unixctl_dump_flows, NULL); | |
278 | unixctl_command_register("bridge/reconnect", "[bridge]", | |
279 | bridge_unixctl_reconnect, NULL); | |
5827ce14 | 280 | lacp_init(); |
c5187f17 | 281 | bond_init(); |
9ac3fce4 | 282 | cfm_init(); |
c5187f17 BP |
283 | } |
284 | ||
ee45ad81 BP |
285 | void |
286 | bridge_exit(void) | |
287 | { | |
288 | struct bridge *br, *next_br; | |
289 | ||
764072fd | 290 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
ee45ad81 BP |
291 | bridge_destroy(br); |
292 | } | |
293 | ovsdb_idl_destroy(idl); | |
294 | } | |
295 | ||
cd11000b BP |
296 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
297 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
298 | * responsible for freeing '*managersp' (with free()). | |
299 | * | |
300 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
301 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
302 | * should not be and in fact is not directly involved in that. But | |
303 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
304 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 305 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
306 | */ |
307 | static void | |
94db5407 BP |
308 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
309 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
310 | { |
311 | struct sockaddr_in *managers = NULL; | |
312 | size_t n_managers = 0; | |
b3c01ed3 | 313 | struct sset targets; |
94db5407 BP |
314 | size_t i; |
315 | ||
289df16d AE |
316 | /* Collect all of the potential targets from the "targets" columns of the |
317 | * rows pointed to by "manager_options", excluding any that are | |
318 | * out-of-band. */ | |
b3c01ed3 | 319 | sset_init(&targets); |
94db5407 BP |
320 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
321 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
322 | ||
323 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
b3c01ed3 | 324 | sset_find_and_delete(&targets, m->target); |
94db5407 | 325 | } else { |
b3c01ed3 | 326 | sset_add(&targets, m->target); |
94db5407 BP |
327 | } |
328 | } | |
cd11000b | 329 | |
94db5407 | 330 | /* Now extract the targets' IP addresses. */ |
b3c01ed3 BP |
331 | if (!sset_is_empty(&targets)) { |
332 | const char *target; | |
cd11000b | 333 | |
b3c01ed3 BP |
334 | managers = xmalloc(sset_count(&targets) * sizeof *managers); |
335 | SSET_FOR_EACH (target, &targets) { | |
94db5407 | 336 | struct sockaddr_in *sin = &managers[n_managers]; |
cd11000b | 337 | |
94db5407 BP |
338 | if ((!strncmp(target, "tcp:", 4) |
339 | && inet_parse_active(target + 4, JSONRPC_TCP_PORT, sin)) || | |
340 | (!strncmp(target, "ssl:", 4) | |
341 | && inet_parse_active(target + 4, JSONRPC_SSL_PORT, sin))) { | |
cd11000b BP |
342 | n_managers++; |
343 | } | |
344 | } | |
345 | } | |
b3c01ed3 | 346 | sset_destroy(&targets); |
cd11000b BP |
347 | |
348 | *managersp = managers; | |
349 | *n_managersp = n_managers; | |
350 | } | |
351 | ||
c5187f17 | 352 | static void |
76343538 | 353 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 354 | { |
cd11000b | 355 | struct sockaddr_in *managers; |
66da9bef | 356 | struct bridge *br, *next; |
72b06300 | 357 | int sflow_bridge_number; |
66da9bef | 358 | size_t n_managers; |
064af421 BP |
359 | |
360 | COVERAGE_INC(bridge_reconfigure); | |
361 | ||
66da9bef BP |
362 | /* Create and destroy "struct bridge"s, "struct port"s, and "struct |
363 | * iface"s according to 'ovs_cfg', with only very minimal configuration | |
364 | * otherwise. | |
365 | * | |
366 | * This is purely an update to bridge data structures. Nothing is pushed | |
367 | * down to ofproto or lower layers. */ | |
368 | add_del_bridges(ovs_cfg); | |
764072fd | 369 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef | 370 | bridge_add_del_ports(br); |
76343538 | 371 | } |
064af421 | 372 | |
66da9bef | 373 | /* Delete all datapaths and datapath ports that are no longer configured. |
064af421 BP |
374 | * |
375 | * The kernel will reject any attempt to add a given port to a datapath if | |
376 | * that port already belongs to a different datapath, so we must do all | |
66da9bef BP |
377 | * port deletions before any port additions. A datapath always has a |
378 | * "local port" so we must delete not-configured datapaths too. */ | |
f79e673f | 379 | bridge_del_ofprotos(); |
764072fd | 380 | HMAP_FOR_EACH (br, node, &all_bridges) { |
66da9bef BP |
381 | if (br->ofproto) { |
382 | bridge_del_ofproto_ports(br); | |
76343538 | 383 | } |
064af421 | 384 | } |
064af421 | 385 | |
66da9bef BP |
386 | /* Create datapaths and datapath ports that are missing. |
387 | * | |
388 | * After this is done, we have our final set of bridges, ports, and | |
389 | * interfaces. Every "struct bridge" has an ofproto, every "struct port" | |
892815f5 | 390 | * has at least one iface, every "struct iface" has a valid ofp_port and |
66da9bef BP |
391 | * netdev. */ |
392 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
f79e673f | 393 | if (!br->ofproto && !bridge_add_ofprotos(br)) { |
064af421 BP |
394 | bridge_destroy(br); |
395 | } | |
396 | } | |
e8192d80 | 397 | HMAP_FOR_EACH (br, node, &all_bridges) { |
892815f5 | 398 | bridge_refresh_ofp_port(br); |
66da9bef | 399 | bridge_add_ofproto_ports(br); |
064af421 | 400 | } |
064af421 | 401 | |
66da9bef BP |
402 | /* Complete the configuration. */ |
403 | sflow_bridge_number = 0; | |
404 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); | |
764072fd | 405 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 406 | struct port *port; |
064af421 | 407 | |
8052fb14 | 408 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 409 | struct iface *iface; |
52df17e7 | 410 | |
fa066f01 | 411 | port_configure(port); |
c1c9c9c4 | 412 | |
48e1b7fb | 413 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
66da9bef BP |
414 | iface_configure_cfm(iface); |
415 | iface_configure_qos(iface, port->cfg->qos); | |
7ae79235 | 416 | iface_set_mac(iface); |
064af421 BP |
417 | } |
418 | } | |
fa066f01 | 419 | bridge_configure_mirrors(br); |
66da9bef | 420 | bridge_configure_datapath_id(br); |
084f5290 | 421 | bridge_configure_flow_eviction_threshold(br); |
8402c74b | 422 | bridge_configure_forward_bpdu(br); |
fa066f01 | 423 | bridge_configure_remotes(br, managers, n_managers); |
66da9bef BP |
424 | bridge_configure_netflow(br); |
425 | bridge_configure_sflow(br, &sflow_bridge_number); | |
064af421 | 426 | } |
66da9bef | 427 | free(managers); |
064af421 | 428 | |
66da9bef BP |
429 | /* ovs-vswitchd has completed initialization, so allow the process that |
430 | * forked us to exit successfully. */ | |
431 | daemonize_complete(); | |
432 | } | |
064af421 | 433 | |
f79e673f | 434 | /* Iterate over all ofprotos and delete any of them that do not have a |
66da9bef BP |
435 | * configured bridge or that are the wrong type. */ |
436 | static void | |
f79e673f | 437 | bridge_del_ofprotos(void) |
66da9bef | 438 | { |
f79e673f BP |
439 | struct sset names; |
440 | struct sset types; | |
66da9bef | 441 | const char *type; |
6c88d577 | 442 | |
f79e673f BP |
443 | sset_init(&names); |
444 | sset_init(&types); | |
445 | ofproto_enumerate_types(&types); | |
446 | SSET_FOR_EACH (type, &types) { | |
66da9bef | 447 | const char *name; |
3a6ccc8c | 448 | |
f79e673f BP |
449 | ofproto_enumerate_names(type, &names); |
450 | SSET_FOR_EACH (name, &names) { | |
66da9bef BP |
451 | struct bridge *br = bridge_lookup(name); |
452 | if (!br || strcmp(type, br->type)) { | |
f79e673f | 453 | ofproto_delete(name, type); |
3a6ccc8c | 454 | } |
b31bcf60 EJ |
455 | } |
456 | } | |
f79e673f BP |
457 | sset_destroy(&names); |
458 | sset_destroy(&types); | |
66da9bef | 459 | } |
76343538 | 460 | |
66da9bef | 461 | static bool |
f79e673f | 462 | bridge_add_ofprotos(struct bridge *br) |
66da9bef | 463 | { |
fa066f01 | 464 | int error = ofproto_create(br->name, br->type, &br->ofproto); |
66da9bef | 465 | if (error) { |
fa066f01 | 466 | VLOG_ERR("failed to create bridge %s: %s", br->name, strerror(error)); |
66da9bef BP |
467 | return false; |
468 | } | |
469 | return true; | |
093e47f4 | 470 | } |
c3827f61 | 471 | |
fa066f01 BP |
472 | static void |
473 | port_configure(struct port *port) | |
474 | { | |
475 | const struct ovsrec_port *cfg = port->cfg; | |
476 | struct bond_settings bond_settings; | |
477 | struct lacp_settings lacp_settings; | |
478 | struct ofproto_bundle_settings s; | |
479 | struct iface *iface; | |
82057f51 | 480 | |
fa066f01 BP |
481 | /* Get name. */ |
482 | s.name = port->name; | |
3a6ccc8c | 483 | |
fa066f01 BP |
484 | /* Get slaves. */ |
485 | s.n_slaves = 0; | |
486 | s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves); | |
487 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 488 | s.slaves[s.n_slaves++] = iface->ofp_port; |
fa066f01 | 489 | } |
c3827f61 | 490 | |
fa066f01 BP |
491 | /* Get VLAN tag. */ |
492 | s.vlan = -1; | |
493 | if (cfg->tag) { | |
494 | if (list_is_short(&port->ifaces)) { | |
495 | if (*cfg->tag >= 0 && *cfg->tag <= 4095) { | |
496 | s.vlan = *cfg->tag; | |
3a6ccc8c | 497 | } |
fa066f01 BP |
498 | } else { |
499 | /* It's possible that bonded, VLAN-tagged ports make sense. Maybe | |
500 | * they even work as-is. But they have not been tested. */ | |
501 | VLOG_WARN("port %s: VLAN tags not supported on bonded ports", | |
502 | port->name); | |
064af421 | 503 | } |
fa066f01 | 504 | } |
b0ec0f27 | 505 | |
fa066f01 BP |
506 | /* Get VLAN trunks. */ |
507 | s.trunks = NULL; | |
ecac4ebf | 508 | if (cfg->n_trunks) { |
fa066f01 | 509 | s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks); |
ecac4ebf BP |
510 | } |
511 | ||
512 | /* Get VLAN mode. */ | |
513 | if (cfg->vlan_mode) { | |
514 | if (!strcmp(cfg->vlan_mode, "access")) { | |
515 | s.vlan_mode = PORT_VLAN_ACCESS; | |
516 | } else if (!strcmp(cfg->vlan_mode, "trunk")) { | |
517 | s.vlan_mode = PORT_VLAN_TRUNK; | |
518 | } else if (!strcmp(cfg->vlan_mode, "native-tagged")) { | |
519 | s.vlan_mode = PORT_VLAN_NATIVE_TAGGED; | |
520 | } else if (!strcmp(cfg->vlan_mode, "native-untagged")) { | |
521 | s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED; | |
522 | } else { | |
523 | /* This "can't happen" because ovsdb-server should prevent it. */ | |
524 | VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode); | |
525 | s.vlan_mode = PORT_VLAN_TRUNK; | |
526 | } | |
527 | } else { | |
528 | if (s.vlan >= 0) { | |
529 | s.vlan_mode = PORT_VLAN_ACCESS; | |
530 | if (cfg->n_trunks) { | |
531 | VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan", | |
532 | port->name); | |
533 | } | |
534 | } else { | |
535 | s.vlan_mode = PORT_VLAN_TRUNK; | |
536 | } | |
064af421 | 537 | } |
064af421 | 538 | |
fa066f01 BP |
539 | /* Get LACP settings. */ |
540 | s.lacp = port_configure_lacp(port, &lacp_settings); | |
541 | if (s.lacp) { | |
542 | size_t i = 0; | |
064af421 | 543 | |
fa066f01 BP |
544 | s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves); |
545 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
546 | iface_configure_lacp(iface, &s.lacp_slaves[i++]); | |
064af421 | 547 | } |
fa066f01 BP |
548 | } else { |
549 | s.lacp_slaves = NULL; | |
550 | } | |
064af421 | 551 | |
fa066f01 BP |
552 | /* Get bond settings. */ |
553 | if (s.n_slaves > 1) { | |
fa066f01 | 554 | s.bond = &bond_settings; |
76ed83fc BP |
555 | s.bond_stable_ids = xmalloc(s.n_slaves * sizeof *s.bond_stable_ids); |
556 | port_configure_bond(port, &bond_settings, s.bond_stable_ids); | |
fa066f01 BP |
557 | } else { |
558 | s.bond = NULL; | |
76ed83fc | 559 | s.bond_stable_ids = NULL; |
1670c579 EJ |
560 | |
561 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
562 | netdev_set_miimon_interval(iface->netdev, 0); | |
563 | } | |
fa066f01 | 564 | } |
093e47f4 | 565 | |
fa066f01 BP |
566 | /* Register. */ |
567 | ofproto_bundle_register(port->bridge->ofproto, port, &s); | |
76343538 | 568 | |
fa066f01 | 569 | /* Clean up. */ |
4e51de4c | 570 | free(s.slaves); |
fa066f01 BP |
571 | free(s.trunks); |
572 | free(s.lacp_slaves); | |
76ed83fc | 573 | free(s.bond_stable_ids); |
fa066f01 | 574 | } |
76343538 | 575 | |
6f90b8f4 BP |
576 | /* Pick local port hardware address and datapath ID for 'br'. */ |
577 | static void | |
578 | bridge_configure_datapath_id(struct bridge *br) | |
579 | { | |
580 | uint8_t ea[ETH_ADDR_LEN]; | |
581 | uint64_t dpid; | |
582 | struct iface *local_iface; | |
583 | struct iface *hw_addr_iface; | |
584 | char *dpid_string; | |
76343538 | 585 | |
6f90b8f4 | 586 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); |
892815f5 | 587 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
6f90b8f4 BP |
588 | if (local_iface) { |
589 | int error = netdev_set_etheraddr(local_iface->netdev, ea); | |
590 | if (error) { | |
591 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
592 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
593 | "Ethernet address: %s", | |
594 | br->name, strerror(error)); | |
595 | } | |
596 | } | |
597 | memcpy(br->ea, ea, ETH_ADDR_LEN); | |
76343538 | 598 | |
6f90b8f4 BP |
599 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); |
600 | ofproto_set_datapath_id(br->ofproto, dpid); | |
76343538 | 601 | |
6f90b8f4 BP |
602 | dpid_string = xasprintf("%016"PRIx64, dpid); |
603 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); | |
604 | free(dpid_string); | |
605 | } | |
064af421 | 606 | |
6f90b8f4 BP |
607 | /* Set NetFlow configuration on 'br'. */ |
608 | static void | |
609 | bridge_configure_netflow(struct bridge *br) | |
610 | { | |
611 | struct ovsrec_netflow *cfg = br->cfg->netflow; | |
612 | struct netflow_options opts; | |
72b06300 | 613 | |
6f90b8f4 BP |
614 | if (!cfg) { |
615 | ofproto_set_netflow(br->ofproto, NULL); | |
616 | return; | |
617 | } | |
a4af0040 | 618 | |
6f90b8f4 | 619 | memset(&opts, 0, sizeof opts); |
72b06300 | 620 | |
6f90b8f4 BP |
621 | /* Get default NetFlow configuration from datapath. |
622 | * Apply overrides from 'cfg'. */ | |
623 | ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id); | |
624 | if (cfg->engine_type) { | |
625 | opts.engine_type = *cfg->engine_type; | |
626 | } | |
627 | if (cfg->engine_id) { | |
628 | opts.engine_id = *cfg->engine_id; | |
629 | } | |
72b06300 | 630 | |
6f90b8f4 BP |
631 | /* Configure active timeout interval. */ |
632 | opts.active_timeout = cfg->active_timeout; | |
633 | if (!opts.active_timeout) { | |
634 | opts.active_timeout = -1; | |
635 | } else if (opts.active_timeout < 0) { | |
636 | VLOG_WARN("bridge %s: active timeout interval set to negative " | |
637 | "value, using default instead (%d seconds)", br->name, | |
638 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
639 | opts.active_timeout = -1; | |
640 | } | |
72b06300 | 641 | |
6f90b8f4 BP |
642 | /* Add engine ID to interface number to disambiguate bridgs? */ |
643 | opts.add_id_to_iface = cfg->add_id_to_interface; | |
644 | if (opts.add_id_to_iface) { | |
645 | if (opts.engine_id > 0x7f) { | |
646 | VLOG_WARN("bridge %s: NetFlow port mangling may conflict with " | |
647 | "another vswitch, choose an engine id less than 128", | |
648 | br->name); | |
649 | } | |
650 | if (hmap_count(&br->ports) > 508) { | |
651 | VLOG_WARN("bridge %s: NetFlow port mangling will conflict with " | |
652 | "another port when more than 508 ports are used", | |
653 | br->name); | |
654 | } | |
655 | } | |
72b06300 | 656 | |
6f90b8f4 BP |
657 | /* Collectors. */ |
658 | sset_init(&opts.collectors); | |
659 | sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets); | |
a4af0040 | 660 | |
6f90b8f4 BP |
661 | /* Configure. */ |
662 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
663 | VLOG_ERR("bridge %s: problem setting netflow collectors", br->name); | |
664 | } | |
665 | sset_destroy(&opts.collectors); | |
666 | } | |
72b06300 | 667 | |
6f90b8f4 BP |
668 | /* Set sFlow configuration on 'br'. */ |
669 | static void | |
670 | bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number) | |
671 | { | |
672 | const struct ovsrec_sflow *cfg = br->cfg->sflow; | |
673 | struct ovsrec_controller **controllers; | |
674 | struct ofproto_sflow_options oso; | |
675 | size_t n_controllers; | |
676 | size_t i; | |
72b06300 | 677 | |
6f90b8f4 BP |
678 | if (!cfg) { |
679 | ofproto_set_sflow(br->ofproto, NULL); | |
680 | return; | |
064af421 | 681 | } |
8052fb14 | 682 | |
6f90b8f4 | 683 | memset(&oso, 0, sizeof oso); |
52df17e7 | 684 | |
6f90b8f4 BP |
685 | sset_init(&oso.targets); |
686 | sset_add_array(&oso.targets, cfg->targets, cfg->n_targets); | |
c1c9c9c4 | 687 | |
6f90b8f4 BP |
688 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; |
689 | if (cfg->sampling) { | |
690 | oso.sampling_rate = *cfg->sampling; | |
064af421 | 691 | } |
6f90b8f4 BP |
692 | |
693 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
694 | if (cfg->polling) { | |
695 | oso.polling_interval = *cfg->polling; | |
064af421 | 696 | } |
093e47f4 | 697 | |
6f90b8f4 BP |
698 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; |
699 | if (cfg->header) { | |
700 | oso.header_len = *cfg->header; | |
701 | } | |
392730c4 | 702 | |
6f90b8f4 BP |
703 | oso.sub_id = (*sflow_bridge_number)++; |
704 | oso.agent_device = cfg->agent; | |
392730c4 | 705 | |
6f90b8f4 BP |
706 | oso.control_ip = NULL; |
707 | n_controllers = bridge_get_controllers(br, &controllers); | |
708 | for (i = 0; i < n_controllers; i++) { | |
709 | if (controllers[i]->local_ip) { | |
710 | oso.control_ip = controllers[i]->local_ip; | |
711 | break; | |
b31bcf60 EJ |
712 | } |
713 | } | |
6f90b8f4 | 714 | ofproto_set_sflow(br->ofproto, &oso); |
b31bcf60 | 715 | |
6f90b8f4 BP |
716 | sset_destroy(&oso.targets); |
717 | } | |
a7ff9bd7 | 718 | |
e8192d80 BP |
719 | static bool |
720 | bridge_has_bond_fake_iface(const struct bridge *br, const char *name) | |
721 | { | |
722 | const struct port *port = port_lookup(br, name); | |
723 | return port && port_is_bond_fake_iface(port); | |
093e47f4 BP |
724 | } |
725 | ||
e8192d80 BP |
726 | static bool |
727 | port_is_bond_fake_iface(const struct port *port) | |
093e47f4 | 728 | { |
e8192d80 BP |
729 | return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces); |
730 | } | |
093e47f4 | 731 | |
66da9bef BP |
732 | static void |
733 | add_del_bridges(const struct ovsrec_open_vswitch *cfg) | |
734 | { | |
735 | struct bridge *br, *next; | |
736 | struct shash new_br; | |
737 | size_t i; | |
738 | ||
739 | /* Collect new bridges' names and types. */ | |
740 | shash_init(&new_br); | |
741 | for (i = 0; i < cfg->n_bridges; i++) { | |
742 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
743 | if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
744 | VLOG_WARN("bridge %s specified twice", br_cfg->name); | |
745 | } | |
746 | } | |
747 | ||
748 | /* Get rid of deleted bridges or those whose types have changed. | |
749 | * Update 'cfg' of bridges that still exist. */ | |
750 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
751 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
752 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
753 | br->cfg->datapath_type))) { | |
66da9bef BP |
754 | bridge_destroy(br); |
755 | } | |
756 | } | |
757 | ||
758 | /* Add new bridges. */ | |
759 | for (i = 0; i < cfg->n_bridges; i++) { | |
760 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
761 | struct bridge *br = bridge_lookup(br_cfg->name); | |
762 | if (!br) { | |
763 | bridge_create(br_cfg); | |
764 | } | |
765 | } | |
766 | ||
767 | shash_destroy(&new_br); | |
768 | } | |
769 | ||
770 | /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct | |
771 | * iface". | |
772 | * | |
773 | * The kernel will reject any attempt to add a given port to a datapath if that | |
774 | * port already belongs to a different datapath, so we must do all port | |
775 | * deletions before any port additions. */ | |
776 | static void | |
777 | bridge_del_ofproto_ports(struct bridge *br) | |
778 | { | |
779 | struct ofproto_port_dump dump; | |
780 | struct ofproto_port ofproto_port; | |
781 | ||
782 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { | |
783 | const char *name = ofproto_port.name; | |
784 | struct iface *iface; | |
785 | const char *type; | |
786 | int error; | |
787 | ||
788 | /* Ignore the local port. We can't change it anyhow. */ | |
789 | if (!strcmp(name, br->name)) { | |
790 | continue; | |
791 | } | |
792 | ||
793 | /* Get the type that 'ofproto_port' should have (ordinarily the | |
794 | * type of its corresponding iface) or NULL if it should be | |
795 | * deleted. */ | |
796 | iface = iface_lookup(br, name); | |
797 | type = (iface ? iface->type | |
798 | : bridge_has_bond_fake_iface(br, name) ? "internal" | |
799 | : NULL); | |
800 | ||
801 | /* If it's the wrong type then delete the ofproto port. */ | |
802 | if (type | |
803 | && !strcmp(ofproto_port.type, type) | |
804 | && (!iface || !iface->netdev | |
805 | || !strcmp(netdev_get_type(iface->netdev), type))) { | |
806 | continue; | |
807 | } | |
808 | error = ofproto_port_del(br->ofproto, ofproto_port.ofp_port); | |
809 | if (error) { | |
810 | VLOG_WARN("bridge %s: failed to remove %s interface (%s)", | |
811 | br->name, name, strerror(error)); | |
812 | } | |
813 | if (iface) { | |
66da9bef BP |
814 | netdev_close(iface->netdev); |
815 | iface->netdev = NULL; | |
816 | } | |
817 | } | |
818 | } | |
819 | ||
820 | static void | |
892815f5 | 821 | iface_set_ofp_port(struct iface *iface, int ofp_port) |
66da9bef BP |
822 | { |
823 | struct bridge *br = iface->port->bridge; | |
824 | ||
892815f5 BP |
825 | assert(iface->ofp_port < 0 && ofp_port >= 0); |
826 | iface->ofp_port = ofp_port; | |
827 | hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0)); | |
2e281761 | 828 | iface_set_ofport(iface->cfg, ofp_port); |
66da9bef BP |
829 | } |
830 | ||
831 | static void | |
892815f5 | 832 | bridge_refresh_ofp_port(struct bridge *br) |
66da9bef BP |
833 | { |
834 | struct ofproto_port_dump dump; | |
835 | struct ofproto_port ofproto_port; | |
836 | struct port *port; | |
837 | ||
892815f5 | 838 | /* Clear all the "ofp_port"es. */ |
66da9bef BP |
839 | hmap_clear(&br->ifaces); |
840 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
841 | struct iface *iface; | |
842 | ||
843 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 844 | iface->ofp_port = -1; |
66da9bef BP |
845 | } |
846 | } | |
847 | ||
892815f5 | 848 | /* Obtain the correct "ofp_port"s from ofproto. */ |
66da9bef | 849 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
66da9bef BP |
850 | struct iface *iface = iface_lookup(br, ofproto_port.name); |
851 | if (iface) { | |
892815f5 | 852 | if (iface->ofp_port >= 0) { |
66da9bef BP |
853 | VLOG_WARN("bridge %s: interface %s reported twice", |
854 | br->name, ofproto_port.name); | |
892815f5 | 855 | } else if (iface_from_ofp_port(br, ofproto_port.ofp_port)) { |
66da9bef | 856 | VLOG_WARN("bridge %s: interface %"PRIu16" reported twice", |
892815f5 | 857 | br->name, ofproto_port.ofp_port); |
66da9bef | 858 | } else { |
892815f5 | 859 | iface_set_ofp_port(iface, ofproto_port.ofp_port); |
66da9bef BP |
860 | } |
861 | } | |
862 | } | |
863 | } | |
864 | ||
f79e673f | 865 | /* Add an ofproto port for any "struct iface" that doesn't have one. |
66da9bef BP |
866 | * Delete any "struct iface" for which this fails. |
867 | * Delete any "struct port" that thereby ends up with no ifaces. */ | |
868 | static void | |
869 | bridge_add_ofproto_ports(struct bridge *br) | |
870 | { | |
871 | struct port *port, *next_port; | |
66da9bef BP |
872 | |
873 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { | |
874 | struct iface *iface, *next_iface; | |
892815f5 | 875 | struct ofproto_port ofproto_port; |
66da9bef BP |
876 | |
877 | LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) { | |
66da9bef BP |
878 | int error; |
879 | ||
de5cdb90 | 880 | /* Open the netdev. */ |
66da9bef | 881 | if (!iface->netdev) { |
18812dff | 882 | error = netdev_open(iface->name, iface->type, &iface->netdev); |
de5cdb90 BP |
883 | if (error) { |
884 | VLOG_WARN("could not open network device %s (%s)", | |
885 | iface->name, strerror(error)); | |
886 | } | |
66da9bef | 887 | } else { |
de5cdb90 | 888 | error = 0; |
66da9bef | 889 | } |
de5cdb90 BP |
890 | |
891 | /* Configure the netdev. */ | |
892 | if (iface->netdev) { | |
893 | struct shash args; | |
894 | ||
895 | shash_init(&args); | |
896 | shash_from_ovs_idl_map(iface->cfg->key_options, | |
897 | iface->cfg->value_options, | |
898 | iface->cfg->n_options, &args); | |
899 | error = netdev_set_config(iface->netdev, &args); | |
900 | shash_destroy(&args); | |
901 | ||
902 | if (error) { | |
903 | VLOG_WARN("could not configure network device %s (%s)", | |
904 | iface->name, strerror(error)); | |
905 | netdev_close(iface->netdev); | |
906 | iface->netdev = NULL; | |
907 | } | |
66da9bef BP |
908 | } |
909 | ||
910 | /* Add the port, if necessary. */ | |
892815f5 | 911 | if (iface->netdev && iface->ofp_port < 0) { |
66da9bef BP |
912 | uint16_t ofp_port; |
913 | int error; | |
914 | ||
915 | error = ofproto_port_add(br->ofproto, iface->netdev, | |
916 | &ofp_port); | |
917 | if (!error) { | |
892815f5 | 918 | iface_set_ofp_port(iface, ofp_port); |
66da9bef BP |
919 | } else { |
920 | netdev_close(iface->netdev); | |
921 | iface->netdev = NULL; | |
922 | } | |
923 | } | |
924 | ||
8cea3c07 BP |
925 | /* Populate stats columns in new Interface rows. */ |
926 | if (iface->netdev && !iface->cfg->mtu) { | |
927 | iface_refresh_stats(iface); | |
928 | iface_refresh_status(iface); | |
929 | } | |
930 | ||
de5cdb90 | 931 | /* Delete the iface if we failed. */ |
892815f5 | 932 | if (iface->netdev && iface->ofp_port >= 0) { |
66da9bef | 933 | VLOG_DBG("bridge %s: interface %s is on port %d", |
892815f5 | 934 | br->name, iface->name, iface->ofp_port); |
66da9bef BP |
935 | } else { |
936 | if (iface->netdev) { | |
937 | VLOG_ERR("bridge %s: missing %s interface, dropping", | |
938 | br->name, iface->name); | |
939 | } else { | |
940 | /* We already reported a related error, don't bother | |
941 | * duplicating it. */ | |
942 | } | |
3fc5a86a | 943 | iface_clear_db_record(iface->cfg); |
66da9bef BP |
944 | iface_destroy(iface); |
945 | } | |
946 | } | |
947 | if (list_is_empty(&port->ifaces)) { | |
948 | VLOG_WARN("%s port has no interfaces, dropping", port->name); | |
949 | port_destroy(port); | |
950 | continue; | |
951 | } | |
952 | ||
953 | /* Add bond fake iface if necessary. */ | |
954 | if (port_is_bond_fake_iface(port)) { | |
955 | if (ofproto_port_query_by_name(br->ofproto, port->name, | |
956 | &ofproto_port)) { | |
66da9bef BP |
957 | struct netdev *netdev; |
958 | int error; | |
959 | ||
18812dff | 960 | error = netdev_open(port->name, "internal", &netdev); |
66da9bef BP |
961 | if (!error) { |
962 | ofproto_port_add(br->ofproto, netdev, NULL); | |
963 | netdev_close(netdev); | |
964 | } else { | |
965 | VLOG_WARN("could not open network device %s (%s)", | |
966 | port->name, strerror(error)); | |
967 | } | |
968 | } else { | |
969 | /* Already exists, nothing to do. */ | |
970 | ofproto_port_destroy(&ofproto_port); | |
971 | } | |
972 | } | |
973 | } | |
974 | } | |
975 | ||
093e47f4 | 976 | static const char * |
af6278e1 BP |
977 | get_ovsrec_key_value(const struct ovsdb_idl_row *row, |
978 | const struct ovsdb_idl_column *column, | |
979 | const char *key) | |
093e47f4 | 980 | { |
af6278e1 BP |
981 | const struct ovsdb_datum *datum; |
982 | union ovsdb_atom atom; | |
983 | unsigned int idx; | |
093e47f4 | 984 | |
af6278e1 BP |
985 | datum = ovsdb_idl_get(row, column, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING); |
986 | atom.string = (char *) key; | |
987 | idx = ovsdb_datum_find_key(datum, &atom, OVSDB_TYPE_STRING); | |
988 | return idx == UINT_MAX ? NULL : datum->values[idx].string; | |
064af421 BP |
989 | } |
990 | ||
c8143c88 BP |
991 | static const char * |
992 | bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key) | |
993 | { | |
af6278e1 BP |
994 | return get_ovsrec_key_value(&br_cfg->header_, |
995 | &ovsrec_bridge_col_other_config, key); | |
c8143c88 BP |
996 | } |
997 | ||
084f5290 SH |
998 | /* Set Flow eviction threshold */ |
999 | static void | |
1000 | bridge_configure_flow_eviction_threshold(struct bridge *br) | |
1001 | { | |
1002 | const char *threshold_str; | |
1003 | unsigned threshold; | |
1004 | ||
1005 | threshold_str = bridge_get_other_config(br->cfg, "flow-eviction-threshold"); | |
1006 | if (threshold_str) { | |
1007 | threshold = strtoul(threshold_str, NULL, 10); | |
1008 | } else { | |
1009 | threshold = OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT; | |
1010 | } | |
1011 | ofproto_set_flow_eviction_threshold(br->ofproto, threshold); | |
1012 | } | |
1013 | ||
8402c74b SS |
1014 | /* Set forward BPDU option. */ |
1015 | static void | |
1016 | bridge_configure_forward_bpdu(struct bridge *br) | |
1017 | { | |
1018 | const char *forward_bpdu_str; | |
1019 | bool forward_bpdu = false; | |
1020 | ||
1021 | forward_bpdu_str = bridge_get_other_config(br->cfg, "forward-bpdu"); | |
1022 | if (forward_bpdu_str && !strcmp(forward_bpdu_str, "true")) { | |
1023 | forward_bpdu = true; | |
1024 | } | |
1025 | ofproto_set_forward_bpdu(br->ofproto, forward_bpdu); | |
1026 | } | |
1027 | ||
064af421 BP |
1028 | static void |
1029 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 1030 | struct iface **hw_addr_iface) |
064af421 | 1031 | { |
093e47f4 | 1032 | const char *hwaddr; |
8052fb14 | 1033 | struct port *port; |
3a48ace3 | 1034 | bool found_addr = false; |
064af421 BP |
1035 | int error; |
1036 | ||
07c318f4 | 1037 | *hw_addr_iface = NULL; |
064af421 BP |
1038 | |
1039 | /* Did the user request a particular MAC? */ | |
093e47f4 BP |
1040 | hwaddr = bridge_get_other_config(br->cfg, "hwaddr"); |
1041 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { | |
064af421 BP |
1042 | if (eth_addr_is_multicast(ea)) { |
1043 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
1044 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1045 | } else if (eth_addr_is_zero(ea)) { | |
1046 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
1047 | } else { | |
1048 | return; | |
1049 | } | |
1050 | } | |
1051 | ||
141f4942 BP |
1052 | /* Otherwise choose the minimum non-local MAC address among all of the |
1053 | * interfaces. */ | |
8052fb14 | 1054 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 1055 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 1056 | struct iface *candidate; |
58b7527e BP |
1057 | struct iface *iface; |
1058 | ||
1059 | /* Mirror output ports don't participate. */ | |
fa066f01 | 1060 | if (ofproto_is_mirror_output_bundle(br->ofproto, port)) { |
064af421 BP |
1061 | continue; |
1062 | } | |
58b7527e BP |
1063 | |
1064 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 1065 | iface = NULL; |
76343538 | 1066 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
1067 | /* Find the interface with this Ethernet address (if any) so that |
1068 | * we can provide the correct devname to the caller. */ | |
83db7968 | 1069 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 1070 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 1071 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1072 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1073 | iface = candidate; | |
1074 | } | |
1075 | } | |
58b7527e BP |
1076 | } else { |
1077 | /* Choose the interface whose MAC address will represent the port. | |
1078 | * The Linux kernel bonding code always chooses the MAC address of | |
1079 | * the first slave added to a bond, and the Fedora networking | |
1080 | * scripts always add slaves to a bond in alphabetical order, so | |
1081 | * for compatibility we choose the interface with the name that is | |
1082 | * first in alphabetical order. */ | |
83db7968 BP |
1083 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1084 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1085 | iface = candidate; |
1086 | } | |
1087 | } | |
1088 | ||
1089 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1090 | * MAC address anyway). */ |
892815f5 | 1091 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1092 | continue; |
1093 | } | |
58b7527e BP |
1094 | |
1095 | /* Grab MAC. */ | |
07c318f4 | 1096 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1097 | if (error) { |
58b7527e | 1098 | continue; |
064af421 BP |
1099 | } |
1100 | } | |
58b7527e BP |
1101 | |
1102 | /* Compare against our current choice. */ | |
1103 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1104 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1105 | !eth_addr_is_reserved(iface_ea) && |
1106 | !eth_addr_is_zero(iface_ea) && | |
0d1fe4a3 | 1107 | (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0)) |
58b7527e | 1108 | { |
0babc06f | 1109 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1110 | *hw_addr_iface = iface; |
3a48ace3 | 1111 | found_addr = true; |
58b7527e | 1112 | } |
064af421 | 1113 | } |
3a48ace3 JP |
1114 | if (found_addr) { |
1115 | VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, | |
1116 | br->name, ETH_ADDR_ARGS(ea)); | |
1117 | } else { | |
064af421 | 1118 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); |
07c318f4 | 1119 | *hw_addr_iface = NULL; |
064af421 BP |
1120 | VLOG_WARN("bridge %s: using default bridge Ethernet " |
1121 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
064af421 BP |
1122 | } |
1123 | } | |
1124 | ||
1125 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge | |
1126 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1127 | * an interface on 'br', then that interface must be passed in as |
1128 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1129 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1130 | static uint64_t |
1131 | bridge_pick_datapath_id(struct bridge *br, | |
1132 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1133 | struct iface *hw_addr_iface) |
064af421 BP |
1134 | { |
1135 | /* | |
1136 | * The procedure for choosing a bridge MAC address will, in the most | |
1137 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1138 | * ID. In some special cases, though, multiple bridges will end up with | |
1139 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1140 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1141 | * ID. | |
1142 | * | |
1143 | * Datapath IDs must be unique. It is also very desirable that they be | |
1144 | * stable from one run to the next, so that policy set on a datapath | |
1145 | * "sticks". | |
1146 | */ | |
093e47f4 | 1147 | const char *datapath_id; |
064af421 BP |
1148 | uint64_t dpid; |
1149 | ||
093e47f4 BP |
1150 | datapath_id = bridge_get_other_config(br->cfg, "datapath-id"); |
1151 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { | |
064af421 BP |
1152 | return dpid; |
1153 | } | |
1154 | ||
07c318f4 | 1155 | if (hw_addr_iface) { |
064af421 | 1156 | int vlan; |
b2f17b15 | 1157 | if (!netdev_get_vlan_vid(hw_addr_iface->netdev, &vlan)) { |
064af421 BP |
1158 | /* |
1159 | * A bridge whose MAC address is taken from a VLAN network device | |
1160 | * (that is, a network device created with vconfig(8) or similar | |
1161 | * tool) will have the same MAC address as a bridge on the VLAN | |
1162 | * device's physical network device. | |
1163 | * | |
1164 | * Handle this case by hashing the physical network device MAC | |
1165 | * along with the VLAN identifier. | |
1166 | */ | |
1167 | uint8_t buf[ETH_ADDR_LEN + 2]; | |
1168 | memcpy(buf, bridge_ea, ETH_ADDR_LEN); | |
1169 | buf[ETH_ADDR_LEN] = vlan >> 8; | |
1170 | buf[ETH_ADDR_LEN + 1] = vlan; | |
1171 | return dpid_from_hash(buf, sizeof buf); | |
1172 | } else { | |
1173 | /* | |
1174 | * Assume that this bridge's MAC address is unique, since it | |
1175 | * doesn't fit any of the cases we handle specially. | |
1176 | */ | |
1177 | } | |
1178 | } else { | |
1179 | /* | |
1180 | * A purely internal bridge, that is, one that has no non-virtual | |
1181 | * network devices on it at all, is more difficult because it has no | |
1182 | * natural unique identifier at all. | |
1183 | * | |
1184 | * When the host is a XenServer, we handle this case by hashing the | |
1185 | * host's UUID with the name of the bridge. Names of bridges are | |
1186 | * persistent across XenServer reboots, although they can be reused if | |
1187 | * an internal network is destroyed and then a new one is later | |
1188 | * created, so this is fairly effective. | |
1189 | * | |
1190 | * When the host is not a XenServer, we punt by using a random MAC | |
1191 | * address on each run. | |
1192 | */ | |
1193 | const char *host_uuid = xenserver_get_host_uuid(); | |
1194 | if (host_uuid) { | |
1195 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1196 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1197 | free(combined); | |
1198 | return dpid; | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | return eth_addr_to_uint64(bridge_ea); | |
1203 | } | |
1204 | ||
1205 | static uint64_t | |
1206 | dpid_from_hash(const void *data, size_t n) | |
1207 | { | |
5eccf359 | 1208 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1209 | |
1210 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1211 | sha1_bytes(data, n, hash); |
064af421 BP |
1212 | eth_addr_mark_random(hash); |
1213 | return eth_addr_to_uint64(hash); | |
1214 | } | |
1215 | ||
ea83a2fc | 1216 | static void |
ea763e0e | 1217 | iface_refresh_status(struct iface *iface) |
ea83a2fc | 1218 | { |
ea763e0e EJ |
1219 | struct shash sh; |
1220 | ||
e210037e AE |
1221 | enum netdev_flags flags; |
1222 | uint32_t current; | |
1223 | int64_t bps; | |
1224 | int mtu; | |
1225 | int64_t mtu_64; | |
1226 | int error; | |
1227 | ||
cfea354b BP |
1228 | if (iface_is_synthetic(iface)) { |
1229 | return; | |
1230 | } | |
1231 | ||
ea763e0e EJ |
1232 | shash_init(&sh); |
1233 | ||
1234 | if (!netdev_get_status(iface->netdev, &sh)) { | |
1235 | size_t n; | |
1236 | char **keys, **values; | |
ea83a2fc | 1237 | |
ea763e0e EJ |
1238 | shash_to_ovs_idl_map(&sh, &keys, &values, &n); |
1239 | ovsrec_interface_set_status(iface->cfg, keys, values, n); | |
1240 | ||
1241 | free(keys); | |
1242 | free(values); | |
1243 | } else { | |
1244 | ovsrec_interface_set_status(iface->cfg, NULL, NULL, 0); | |
1245 | } | |
1246 | ||
1247 | shash_destroy_free_data(&sh); | |
e210037e AE |
1248 | |
1249 | error = netdev_get_flags(iface->netdev, &flags); | |
1250 | if (!error) { | |
1251 | ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down"); | |
1252 | } | |
1253 | else { | |
1254 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
1255 | } | |
1256 | ||
1257 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); | |
1258 | if (!error) { | |
1259 | ovsrec_interface_set_duplex(iface->cfg, | |
1260 | netdev_features_is_full_duplex(current) | |
1261 | ? "full" : "half"); | |
1262 | /* warning: uint64_t -> int64_t conversion */ | |
1263 | bps = netdev_features_to_bps(current); | |
1264 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); | |
1265 | } | |
1266 | else { | |
1267 | ovsrec_interface_set_duplex(iface->cfg, NULL); | |
1268 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1269 | } | |
1270 | ||
e210037e | 1271 | ovsrec_interface_set_link_state(iface->cfg, |
0b8024eb | 1272 | iface_get_carrier(iface) ? "up" : "down"); |
e210037e AE |
1273 | |
1274 | error = netdev_get_mtu(iface->netdev, &mtu); | |
9b020780 | 1275 | if (!error) { |
e210037e AE |
1276 | mtu_64 = mtu; |
1277 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
1278 | } | |
1279 | else { | |
1280 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); | |
1281 | } | |
ea83a2fc EJ |
1282 | } |
1283 | ||
0dfd1cb4 | 1284 | /* Writes 'iface''s CFM statistics to the database. */ |
8f3fe844 | 1285 | static void |
b31bcf60 EJ |
1286 | iface_refresh_cfm_stats(struct iface *iface) |
1287 | { | |
93b8df38 | 1288 | const struct ovsrec_interface *cfg = iface->cfg; |
1de11730 EJ |
1289 | int fault, error; |
1290 | const uint64_t *rmps; | |
1291 | size_t n_rmps; | |
b31bcf60 | 1292 | |
21d48660 EJ |
1293 | if (iface_is_synthetic(iface)) { |
1294 | return; | |
1295 | } | |
1296 | ||
a5610457 EJ |
1297 | fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto, |
1298 | iface->ofp_port); | |
8f3fe844 | 1299 | if (fault >= 0) { |
a5610457 EJ |
1300 | bool fault_bool = fault; |
1301 | ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1); | |
0f0d2ae5 EJ |
1302 | } else { |
1303 | ovsrec_interface_set_cfm_fault(cfg, NULL, 0); | |
6586adf5 | 1304 | } |
1de11730 EJ |
1305 | |
1306 | error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto, | |
1307 | iface->ofp_port, &rmps, &n_rmps); | |
1308 | if (error >= 0) { | |
1309 | ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps, | |
1310 | n_rmps); | |
1311 | } else { | |
1312 | ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0); | |
1313 | } | |
b31bcf60 EJ |
1314 | } |
1315 | ||
a8172aa3 EJ |
1316 | static bool |
1317 | iface_refresh_lacp_stats(struct iface *iface) | |
1318 | { | |
fa066f01 | 1319 | struct ofproto *ofproto = iface->port->bridge->ofproto; |
fa066f01 | 1320 | int old = iface->cfg->lacp_current ? *iface->cfg->lacp_current : -1; |
892815f5 | 1321 | int new = ofproto_port_is_lacp_current(ofproto, iface->ofp_port); |
a8172aa3 | 1322 | |
fa066f01 BP |
1323 | if (old != new) { |
1324 | bool current = new; | |
1325 | ovsrec_interface_set_lacp_current(iface->cfg, ¤t, new >= 0); | |
a8172aa3 | 1326 | } |
fa066f01 | 1327 | return old != new; |
a8172aa3 EJ |
1328 | } |
1329 | ||
018f1525 BP |
1330 | static void |
1331 | iface_refresh_stats(struct iface *iface) | |
1332 | { | |
98dbe2dd BP |
1333 | #define IFACE_STATS \ |
1334 | IFACE_STAT(rx_packets, "rx_packets") \ | |
1335 | IFACE_STAT(tx_packets, "tx_packets") \ | |
1336 | IFACE_STAT(rx_bytes, "rx_bytes") \ | |
1337 | IFACE_STAT(tx_bytes, "tx_bytes") \ | |
1338 | IFACE_STAT(rx_dropped, "rx_dropped") \ | |
1339 | IFACE_STAT(tx_dropped, "tx_dropped") \ | |
1340 | IFACE_STAT(rx_errors, "rx_errors") \ | |
1341 | IFACE_STAT(tx_errors, "tx_errors") \ | |
1342 | IFACE_STAT(rx_frame_errors, "rx_frame_err") \ | |
1343 | IFACE_STAT(rx_over_errors, "rx_over_err") \ | |
1344 | IFACE_STAT(rx_crc_errors, "rx_crc_err") \ | |
1345 | IFACE_STAT(collisions, "collisions") | |
1346 | ||
1347 | #define IFACE_STAT(MEMBER, NAME) NAME, | |
1348 | static char *keys[] = { IFACE_STATS }; | |
1349 | #undef IFACE_STAT | |
1350 | int64_t values[ARRAY_SIZE(keys)]; | |
1351 | int i; | |
018f1525 BP |
1352 | |
1353 | struct netdev_stats stats; | |
1354 | ||
cfea354b BP |
1355 | if (iface_is_synthetic(iface)) { |
1356 | return; | |
1357 | } | |
1358 | ||
018f1525 BP |
1359 | /* Intentionally ignore return value, since errors will set 'stats' to |
1360 | * all-1s, and we will deal with that correctly below. */ | |
1361 | netdev_get_stats(iface->netdev, &stats); | |
1362 | ||
98dbe2dd BP |
1363 | /* Copy statistics into values[] array. */ |
1364 | i = 0; | |
1365 | #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER; | |
1366 | IFACE_STATS; | |
1367 | #undef IFACE_STAT | |
1368 | assert(i == ARRAY_SIZE(keys)); | |
018f1525 | 1369 | |
98dbe2dd BP |
1370 | ovsrec_interface_set_statistics(iface->cfg, keys, values, ARRAY_SIZE(keys)); |
1371 | #undef IFACE_STATS | |
018f1525 BP |
1372 | } |
1373 | ||
3fe80505 BP |
1374 | static bool |
1375 | enable_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1376 | { | |
1377 | const char *enable; | |
1378 | ||
1379 | /* Use other-config:enable-system-stats by preference. */ | |
1380 | enable = get_ovsrec_key_value(&cfg->header_, | |
1381 | &ovsrec_open_vswitch_col_other_config, | |
1382 | "enable-statistics"); | |
1383 | if (enable) { | |
1384 | return !strcmp(enable, "true"); | |
1385 | } | |
1386 | ||
1387 | /* Disable by default. */ | |
1388 | return false; | |
1389 | } | |
1390 | ||
ce887677 BP |
1391 | static void |
1392 | refresh_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1393 | { | |
1394 | struct ovsdb_datum datum; | |
1395 | struct shash stats; | |
1396 | ||
1397 | shash_init(&stats); | |
3fe80505 BP |
1398 | if (enable_system_stats(cfg)) { |
1399 | get_system_stats(&stats); | |
1400 | } | |
ce887677 BP |
1401 | |
1402 | ovsdb_datum_from_shash(&datum, &stats); | |
1403 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1404 | &datum); | |
1405 | } | |
1406 | ||
bffc0589 AE |
1407 | static inline const char * |
1408 | nx_role_to_str(enum nx_role role) | |
1409 | { | |
1410 | switch (role) { | |
1411 | case NX_ROLE_OTHER: | |
1412 | return "other"; | |
1413 | case NX_ROLE_MASTER: | |
1414 | return "master"; | |
1415 | case NX_ROLE_SLAVE: | |
1416 | return "slave"; | |
1417 | default: | |
1418 | return "*** INVALID ROLE ***"; | |
1419 | } | |
1420 | } | |
1421 | ||
1422 | static void | |
5d279086 | 1423 | refresh_controller_status(void) |
bffc0589 | 1424 | { |
5d279086 | 1425 | struct bridge *br; |
bffc0589 AE |
1426 | struct shash info; |
1427 | const struct ovsrec_controller *cfg; | |
1428 | ||
5d279086 AE |
1429 | shash_init(&info); |
1430 | ||
1431 | /* Accumulate status for controllers on all bridges. */ | |
1432 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
1433 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1434 | } | |
bffc0589 | 1435 | |
5d279086 | 1436 | /* Update each controller in the database with current status. */ |
bffc0589 | 1437 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { |
eb9b8307 AE |
1438 | struct ofproto_controller_info *cinfo = |
1439 | shash_find_data(&info, cfg->target); | |
1440 | ||
1441 | if (cinfo) { | |
1442 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
1443 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
1444 | ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys, | |
1445 | (char **) cinfo->pairs.values, | |
1446 | cinfo->pairs.n); | |
1447 | } else { | |
1448 | ovsrec_controller_set_is_connected(cfg, false); | |
1449 | ovsrec_controller_set_role(cfg, NULL); | |
1450 | ovsrec_controller_set_status(cfg, NULL, NULL, 0); | |
1451 | } | |
bffc0589 AE |
1452 | } |
1453 | ||
1454 | ofproto_free_ofproto_controller_info(&info); | |
1455 | } | |
1456 | ||
8f3fe844 EJ |
1457 | static void |
1458 | refresh_cfm_stats(void) | |
1459 | { | |
1460 | static struct ovsdb_idl_txn *txn = NULL; | |
1461 | ||
1462 | if (!txn) { | |
1463 | struct bridge *br; | |
1464 | ||
1465 | txn = ovsdb_idl_txn_create(idl); | |
1466 | ||
1467 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
1468 | struct iface *iface; | |
1469 | ||
1470 | HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) { | |
1471 | iface_refresh_cfm_stats(iface); | |
1472 | } | |
1473 | } | |
1474 | } | |
1475 | ||
1476 | if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) { | |
1477 | ovsdb_idl_txn_destroy(txn); | |
1478 | txn = NULL; | |
1479 | } | |
1480 | } | |
1481 | ||
c5187f17 | 1482 | void |
064af421 BP |
1483 | bridge_run(void) |
1484 | { | |
d54ff998 BP |
1485 | const struct ovsrec_open_vswitch *cfg; |
1486 | ||
c5187f17 | 1487 | bool datapath_destroyed; |
d54ff998 | 1488 | bool database_changed; |
c5187f17 | 1489 | struct bridge *br; |
064af421 | 1490 | |
06b6d651 BP |
1491 | /* (Re)configure if necessary. */ |
1492 | database_changed = ovsdb_idl_run(idl); | |
1493 | if (ovsdb_idl_is_lock_contended(idl)) { | |
1494 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
1495 | struct bridge *br, *next_br; | |
1496 | ||
1497 | VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, " | |
1498 | "disabling this process until it goes away"); | |
1499 | ||
1500 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { | |
1501 | bridge_destroy(br); | |
1502 | } | |
1503 | return; | |
1504 | } else if (!ovsdb_idl_has_lock(idl)) { | |
1505 | return; | |
1506 | } | |
1507 | cfg = ovsrec_open_vswitch_first(idl); | |
1508 | ||
c5187f17 BP |
1509 | /* Let each bridge do the work that it needs to do. */ |
1510 | datapath_destroyed = false; | |
764072fd | 1511 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa066f01 | 1512 | int error = ofproto_run(br->ofproto); |
064af421 BP |
1513 | if (error) { |
1514 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
1515 | VLOG_ERR_RL(&rl, "bridge %s: datapath was destroyed externally, " | |
1516 | "forcing reconfiguration", br->name); | |
c5187f17 BP |
1517 | datapath_destroyed = true; |
1518 | } | |
1519 | } | |
1520 | ||
d6da96ce BP |
1521 | /* Re-configure SSL. We do this on every trip through the main loop, |
1522 | * instead of just when the database changes, because the contents of the | |
1523 | * key and certificate files can change without the database changing. | |
1524 | * | |
1525 | * We do this before bridge_reconfigure() because that function might | |
1526 | * initiate SSL connections and thus requires SSL to be configured. */ | |
1527 | if (cfg && cfg->ssl) { | |
1528 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
1529 | ||
1530 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
1531 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
1532 | } | |
bf8f2167 | 1533 | |
d54ff998 | 1534 | if (database_changed || datapath_destroyed) { |
c5187f17 BP |
1535 | if (cfg) { |
1536 | struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl); | |
1537 | ||
c5187f17 BP |
1538 | bridge_reconfigure(cfg); |
1539 | ||
1540 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
1541 | ovsdb_idl_txn_commit(txn); | |
1542 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
1e0b752d BP |
1543 | } else { |
1544 | /* We still need to reconfigure to avoid dangling pointers to | |
1545 | * now-destroyed ovsrec structures inside bridge data. */ | |
1546 | static const struct ovsrec_open_vswitch null_cfg; | |
1547 | ||
1548 | bridge_reconfigure(&null_cfg); | |
064af421 BP |
1549 | } |
1550 | } | |
018f1525 | 1551 | |
cd0cd65f BP |
1552 | /* Refresh system and interface stats if necessary. */ |
1553 | if (time_msec() >= stats_timer) { | |
ce887677 BP |
1554 | if (cfg) { |
1555 | struct ovsdb_idl_txn *txn; | |
018f1525 | 1556 | |
ce887677 | 1557 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 1558 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 1559 | struct port *port; |
018f1525 | 1560 | |
8052fb14 | 1561 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 1562 | struct iface *iface; |
018f1525 | 1563 | |
83db7968 | 1564 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 | 1565 | iface_refresh_stats(iface); |
ea763e0e | 1566 | iface_refresh_status(iface); |
ce887677 | 1567 | } |
018f1525 BP |
1568 | } |
1569 | } | |
ce887677 | 1570 | refresh_system_stats(cfg); |
5d279086 | 1571 | refresh_controller_status(); |
ce887677 BP |
1572 | ovsdb_idl_txn_commit(txn); |
1573 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 1574 | } |
018f1525 | 1575 | |
cd0cd65f | 1576 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 1577 | } |
6586adf5 | 1578 | |
815cd583 | 1579 | if (time_msec() >= db_limiter) { |
6586adf5 EJ |
1580 | struct ovsdb_idl_txn *txn; |
1581 | bool changed = false; | |
1582 | ||
1583 | txn = ovsdb_idl_txn_create(idl); | |
764072fd | 1584 | HMAP_FOR_EACH (br, node, &all_bridges) { |
6586adf5 EJ |
1585 | struct port *port; |
1586 | ||
1587 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1588 | struct iface *iface; | |
1589 | ||
1590 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
8f3fe844 EJ |
1591 | /* XXX: Eventually we need to remove the lacp_current flag |
1592 | * from the database so that we can completely get rid of | |
1593 | * this rate limiter code. */ | |
a8172aa3 | 1594 | changed = iface_refresh_lacp_stats(iface) || changed; |
6586adf5 EJ |
1595 | } |
1596 | } | |
1597 | } | |
1598 | ||
1599 | if (changed) { | |
815cd583 | 1600 | db_limiter = time_msec() + DB_LIMIT_INTERVAL; |
6586adf5 EJ |
1601 | } |
1602 | ||
1603 | ovsdb_idl_txn_commit(txn); | |
1604 | ovsdb_idl_txn_destroy(txn); | |
1605 | } | |
8f3fe844 EJ |
1606 | |
1607 | refresh_cfm_stats(); | |
064af421 BP |
1608 | } |
1609 | ||
1610 | void | |
1611 | bridge_wait(void) | |
1612 | { | |
c5187f17 | 1613 | ovsdb_idl_wait(idl); |
06b6d651 BP |
1614 | if (!hmap_is_empty(&all_bridges)) { |
1615 | struct bridge *br; | |
6586adf5 | 1616 | |
06b6d651 BP |
1617 | HMAP_FOR_EACH (br, node, &all_bridges) { |
1618 | ofproto_wait(br->ofproto); | |
1619 | } | |
1620 | poll_timer_wait_until(stats_timer); | |
1621 | ||
1622 | if (db_limiter > time_msec()) { | |
1623 | poll_timer_wait_until(db_limiter); | |
1624 | } | |
6586adf5 | 1625 | } |
064af421 | 1626 | } |
8c4c1387 | 1627 | \f |
e8fe3026 EJ |
1628 | /* QoS unixctl user interface functions. */ |
1629 | ||
1630 | struct qos_unixctl_show_cbdata { | |
1631 | struct ds *ds; | |
1632 | struct iface *iface; | |
1633 | }; | |
1634 | ||
1635 | static void | |
1636 | qos_unixctl_show_cb(unsigned int queue_id, | |
1637 | const struct shash *details, | |
1638 | void *aux) | |
1639 | { | |
1640 | struct qos_unixctl_show_cbdata *data = aux; | |
1641 | struct ds *ds = data->ds; | |
1642 | struct iface *iface = data->iface; | |
1643 | struct netdev_queue_stats stats; | |
1644 | struct shash_node *node; | |
1645 | int error; | |
1646 | ||
1647 | ds_put_cstr(ds, "\n"); | |
1648 | if (queue_id) { | |
1649 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
1650 | } else { | |
1651 | ds_put_cstr(ds, "Default:\n"); | |
1652 | } | |
1653 | ||
1654 | SHASH_FOR_EACH (node, details) { | |
1655 | ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data); | |
1656 | } | |
1657 | ||
1658 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
1659 | if (!error) { | |
1660 | if (stats.tx_packets != UINT64_MAX) { | |
1661 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
1662 | } | |
1663 | ||
1664 | if (stats.tx_bytes != UINT64_MAX) { | |
1665 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
1666 | } | |
1667 | ||
1668 | if (stats.tx_errors != UINT64_MAX) { | |
1669 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
1670 | } | |
1671 | } else { | |
1672 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
1673 | queue_id, strerror(error)); | |
1674 | } | |
1675 | } | |
1676 | ||
1677 | static void | |
1678 | qos_unixctl_show(struct unixctl_conn *conn, | |
1679 | const char *args, void *aux OVS_UNUSED) | |
1680 | { | |
1681 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1682 | struct shash sh = SHASH_INITIALIZER(&sh); | |
1683 | struct iface *iface; | |
1684 | const char *type; | |
1685 | struct shash_node *node; | |
1686 | struct qos_unixctl_show_cbdata data; | |
1687 | int error; | |
1688 | ||
1689 | iface = iface_find(args); | |
1690 | if (!iface) { | |
1691 | unixctl_command_reply(conn, 501, "no such interface"); | |
1692 | return; | |
1693 | } | |
1694 | ||
1695 | netdev_get_qos(iface->netdev, &type, &sh); | |
1696 | ||
1697 | if (*type != '\0') { | |
1698 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
1699 | ||
1700 | SHASH_FOR_EACH (node, &sh) { | |
1701 | ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data); | |
1702 | } | |
1703 | ||
1704 | data.ds = &ds; | |
1705 | data.iface = iface; | |
1706 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
1707 | ||
1708 | if (error) { | |
1709 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
1710 | } | |
1711 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1712 | } else { | |
1713 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
1714 | unixctl_command_reply(conn, 501, ds_cstr(&ds)); | |
1715 | } | |
1716 | ||
1717 | shash_destroy_free_data(&sh); | |
1718 | ds_destroy(&ds); | |
1719 | } | |
1720 | \f | |
064af421 | 1721 | /* Bridge reconfiguration functions. */ |
66da9bef | 1722 | static void |
1a6f1e2a | 1723 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
1724 | { |
1725 | struct bridge *br; | |
064af421 | 1726 | |
1a6f1e2a | 1727 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 1728 | br = xzalloc(sizeof *br); |
064af421 | 1729 | |
1a6f1e2a | 1730 | br->name = xstrdup(br_cfg->name); |
f79e673f | 1731 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 1732 | br->cfg = br_cfg; |
e3f55cb8 BP |
1733 | |
1734 | /* Derive the default Ethernet address from the bridge's UUID. This should | |
1735 | * be unique and it will be stable between ovs-vswitchd runs. */ | |
1736 | memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN); | |
1737 | eth_addr_mark_random(br->default_ea); | |
064af421 | 1738 | |
8052fb14 | 1739 | hmap_init(&br->ports); |
d9a8717a | 1740 | hmap_init(&br->ifaces); |
ebea37cc | 1741 | hmap_init(&br->iface_by_name); |
fa066f01 | 1742 | hmap_init(&br->mirrors); |
4a1ee6ae | 1743 | |
764072fd | 1744 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
1745 | } |
1746 | ||
1747 | static void | |
1748 | bridge_destroy(struct bridge *br) | |
1749 | { | |
1750 | if (br) { | |
fa066f01 BP |
1751 | struct mirror *mirror, *next_mirror; |
1752 | struct port *port, *next_port; | |
064af421 | 1753 | |
fa066f01 | 1754 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 1755 | port_destroy(port); |
064af421 | 1756 | } |
fa066f01 BP |
1757 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
1758 | mirror_destroy(mirror); | |
f76e2dfc | 1759 | } |
764072fd | 1760 | hmap_remove(&all_bridges, &br->node); |
6d6ab93e | 1761 | ofproto_destroy(br->ofproto); |
d9a8717a | 1762 | hmap_destroy(&br->ifaces); |
8052fb14 | 1763 | hmap_destroy(&br->ports); |
ebea37cc | 1764 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 1765 | hmap_destroy(&br->mirrors); |
064af421 | 1766 | free(br->name); |
66da9bef | 1767 | free(br->type); |
064af421 BP |
1768 | free(br); |
1769 | } | |
1770 | } | |
1771 | ||
1772 | static struct bridge * | |
1773 | bridge_lookup(const char *name) | |
1774 | { | |
1775 | struct bridge *br; | |
1776 | ||
764072fd | 1777 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
1778 | if (!strcmp(br->name, name)) { |
1779 | return br; | |
1780 | } | |
1781 | } | |
1782 | return NULL; | |
1783 | } | |
1784 | ||
4f2cad2c JP |
1785 | /* Handle requests for a listing of all flows known by the OpenFlow |
1786 | * stack, including those normally hidden. */ | |
1787 | static void | |
8ca79daa | 1788 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, |
c69ee87c | 1789 | const char *args, void *aux OVS_UNUSED) |
4f2cad2c JP |
1790 | { |
1791 | struct bridge *br; | |
1792 | struct ds results; | |
d295e8e9 | 1793 | |
4f2cad2c JP |
1794 | br = bridge_lookup(args); |
1795 | if (!br) { | |
1796 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1797 | return; | |
1798 | } | |
1799 | ||
1800 | ds_init(&results); | |
1801 | ofproto_get_all_flows(br->ofproto, &results); | |
1802 | ||
1803 | unixctl_command_reply(conn, 200, ds_cstr(&results)); | |
1804 | ds_destroy(&results); | |
1805 | } | |
1806 | ||
fa05809b BP |
1807 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
1808 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
1809 | * drop their controller connections and reconnect. */ | |
1810 | static void | |
1811 | bridge_unixctl_reconnect(struct unixctl_conn *conn, | |
1812 | const char *args, void *aux OVS_UNUSED) | |
1813 | { | |
1814 | struct bridge *br; | |
1815 | if (args[0] != '\0') { | |
1816 | br = bridge_lookup(args); | |
1817 | if (!br) { | |
1818 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1819 | return; | |
1820 | } | |
1821 | ofproto_reconnect_controllers(br->ofproto); | |
1822 | } else { | |
764072fd | 1823 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
1824 | ofproto_reconnect_controllers(br->ofproto); |
1825 | } | |
1826 | } | |
1827 | unixctl_command_reply(conn, 200, NULL); | |
1828 | } | |
1829 | ||
76ce9432 | 1830 | static size_t |
1a048029 | 1831 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 1832 | struct ovsrec_controller ***controllersp) |
064af421 | 1833 | { |
76ce9432 BP |
1834 | struct ovsrec_controller **controllers; |
1835 | size_t n_controllers; | |
064af421 | 1836 | |
1a048029 JP |
1837 | controllers = br->cfg->controller; |
1838 | n_controllers = br->cfg->n_controller; | |
76343538 | 1839 | |
76ce9432 BP |
1840 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
1841 | controllers = NULL; | |
1842 | n_controllers = 0; | |
064af421 | 1843 | } |
76343538 | 1844 | |
76ce9432 BP |
1845 | if (controllersp) { |
1846 | *controllersp = controllers; | |
1847 | } | |
1848 | return n_controllers; | |
064af421 BP |
1849 | } |
1850 | ||
66da9bef BP |
1851 | /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match |
1852 | * those configured in 'br->cfg'. */ | |
064af421 | 1853 | static void |
66da9bef | 1854 | bridge_add_del_ports(struct bridge *br) |
064af421 | 1855 | { |
8052fb14 | 1856 | struct port *port, *next; |
76343538 | 1857 | struct shash_node *node; |
8052fb14 | 1858 | struct shash new_ports; |
6ae39834 | 1859 | size_t i; |
064af421 | 1860 | |
064af421 | 1861 | /* Collect new ports. */ |
76343538 BP |
1862 | shash_init(&new_ports); |
1863 | for (i = 0; i < br->cfg->n_ports; i++) { | |
1864 | const char *name = br->cfg->ports[i]->name; | |
1865 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
1866 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
1867 | br->name, name); | |
1868 | } | |
1869 | } | |
b5827b24 BP |
1870 | if (bridge_get_controllers(br, NULL) |
1871 | && !shash_find(&new_ports, br->name)) { | |
cfea354b BP |
1872 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
1873 | br->name, br->name); | |
72865317 | 1874 | |
cfea354b BP |
1875 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
1876 | br->synth_local_port.n_interfaces = 1; | |
1877 | br->synth_local_port.name = br->name; | |
1878 | ||
1879 | br->synth_local_iface.name = br->name; | |
66da9bef | 1880 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
1881 | |
1882 | br->synth_local_ifacep = &br->synth_local_iface; | |
1883 | ||
1884 | shash_add(&new_ports, br->name, &br->synth_local_port); | |
064af421 | 1885 | } |
064af421 | 1886 | |
4a1ee6ae | 1887 | /* Get rid of deleted ports. |
66da9bef BP |
1888 | * Get rid of deleted interfaces on ports that still exist. |
1889 | * Update 'cfg' of ports that still exist. */ | |
8052fb14 | 1890 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
66da9bef BP |
1891 | port->cfg = shash_find_data(&new_ports, port->name); |
1892 | if (!port->cfg) { | |
4a1ee6ae BP |
1893 | port_destroy(port); |
1894 | } else { | |
66da9bef | 1895 | port_del_ifaces(port); |
064af421 BP |
1896 | } |
1897 | } | |
4a1ee6ae BP |
1898 | |
1899 | /* Create new ports. | |
66da9bef | 1900 | * Add new interfaces to existing ports. */ |
76343538 | 1901 | SHASH_FOR_EACH (node, &new_ports) { |
8052fb14 | 1902 | struct port *port = port_lookup(br, node->name); |
76343538 | 1903 | if (!port) { |
66da9bef BP |
1904 | struct ovsrec_port *cfg = node->data; |
1905 | port = port_create(br, cfg); | |
064af421 | 1906 | } |
66da9bef | 1907 | port_add_ifaces(port); |
402f2858 | 1908 | if (list_is_empty(&port->ifaces)) { |
ceb4559f JG |
1909 | VLOG_WARN("bridge %s: port %s has no interfaces, dropping", |
1910 | br->name, port->name); | |
1911 | port_destroy(port); | |
1912 | } | |
064af421 | 1913 | } |
76343538 | 1914 | shash_destroy(&new_ports); |
064af421 BP |
1915 | } |
1916 | ||
7d674866 BP |
1917 | /* Initializes 'oc' appropriately as a management service controller for |
1918 | * 'br'. | |
1919 | * | |
1920 | * The caller must free oc->target when it is no longer needed. */ | |
1921 | static void | |
1922 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
1923 | struct ofproto_controller *oc) | |
1924 | { | |
b43c6fe2 | 1925 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
1926 | oc->max_backoff = 0; |
1927 | oc->probe_interval = 60; | |
1928 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
1929 | oc->rate_limit = 0; |
1930 | oc->burst_limit = 0; | |
1931 | } | |
1932 | ||
1933 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
1934 | static void | |
1935 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
1936 | struct ofproto_controller *oc) | |
1937 | { | |
1938 | oc->target = c->target; | |
1939 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
1940 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
1941 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
1942 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
1943 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
1944 | oc->burst_limit = (c->controller_burst_limit | |
1945 | ? *c->controller_burst_limit : 0); | |
1946 | } | |
1947 | ||
1948 | /* Configures the IP stack for 'br''s local interface properly according to the | |
1949 | * configuration in 'c'. */ | |
1950 | static void | |
1951 | bridge_configure_local_iface_netdev(struct bridge *br, | |
1952 | struct ovsrec_controller *c) | |
1953 | { | |
1954 | struct netdev *netdev; | |
1955 | struct in_addr mask, gateway; | |
1956 | ||
1957 | struct iface *local_iface; | |
1958 | struct in_addr ip; | |
1959 | ||
7d674866 | 1960 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 1961 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
7d674866 BP |
1962 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { |
1963 | return; | |
1964 | } | |
1965 | ||
1966 | /* Bring up the local interface. */ | |
1967 | netdev = local_iface->netdev; | |
1968 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
1969 | ||
1970 | /* Configure the IP address and netmask. */ | |
1971 | if (!c->local_netmask | |
1972 | || !inet_aton(c->local_netmask, &mask) | |
1973 | || !mask.s_addr) { | |
1974 | mask.s_addr = guess_netmask(ip.s_addr); | |
1975 | } | |
1976 | if (!netdev_set_in4(netdev, ip, mask)) { | |
1977 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
1978 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
1979 | } | |
1980 | ||
1981 | /* Configure the default gateway. */ | |
1982 | if (c->local_gateway | |
1983 | && inet_aton(c->local_gateway, &gateway) | |
1984 | && gateway.s_addr) { | |
1985 | if (!netdev_add_router(netdev, gateway)) { | |
1986 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
1987 | br->name, IP_ARGS(&gateway.s_addr)); | |
1988 | } | |
1989 | } | |
1990 | } | |
1991 | ||
064af421 | 1992 | static void |
fa066f01 BP |
1993 | bridge_configure_remotes(struct bridge *br, |
1994 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 1995 | { |
b1da6250 BP |
1996 | const char *disable_ib_str, *queue_id_str; |
1997 | bool disable_in_band = false; | |
1998 | int queue_id; | |
1999 | ||
76ce9432 BP |
2000 | struct ovsrec_controller **controllers; |
2001 | size_t n_controllers; | |
7d674866 | 2002 | |
66da9bef | 2003 | enum ofproto_fail_mode fail_mode; |
7d674866 BP |
2004 | |
2005 | struct ofproto_controller *ocs; | |
2006 | size_t n_ocs; | |
2007 | size_t i; | |
064af421 | 2008 | |
8731b2b6 JP |
2009 | /* Check if we should disable in-band control on this bridge. */ |
2010 | disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band"); | |
2011 | if (disable_ib_str && !strcmp(disable_ib_str, "true")) { | |
2012 | disable_in_band = true; | |
2013 | } | |
2014 | ||
b1da6250 BP |
2015 | /* Set OpenFlow queue ID for in-band control. */ |
2016 | queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue"); | |
2017 | queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1; | |
2018 | ofproto_set_in_band_queue(br->ofproto, queue_id); | |
2019 | ||
8731b2b6 JP |
2020 | if (disable_in_band) { |
2021 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
2022 | } else { | |
2023 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
2024 | } | |
cd11000b | 2025 | |
1a048029 | 2026 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 2027 | |
7d674866 BP |
2028 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
2029 | n_ocs = 0; | |
064af421 | 2030 | |
7d674866 BP |
2031 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
2032 | for (i = 0; i < n_controllers; i++) { | |
2033 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 2034 | |
7d674866 BP |
2035 | if (!strncmp(c->target, "punix:", 6) |
2036 | || !strncmp(c->target, "unix:", 5)) { | |
2037 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4d6fb5eb | 2038 | |
7d674866 BP |
2039 | /* Prevent remote ovsdb-server users from accessing arbitrary Unix |
2040 | * domain sockets and overwriting arbitrary local files. */ | |
be6255a8 BP |
2041 | VLOG_ERR_RL(&rl, "bridge %s: not adding Unix domain socket " |
2042 | "controller \"%s\" due to possibility for remote " | |
2043 | "exploit", br->name, c->target); | |
7d674866 | 2044 | continue; |
4d6fb5eb EJ |
2045 | } |
2046 | ||
7d674866 | 2047 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
2048 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
2049 | if (disable_in_band) { | |
2050 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
f620b43a | 2051 | } |
8731b2b6 | 2052 | n_ocs++; |
be02e7c3 | 2053 | } |
be02e7c3 | 2054 | |
7d674866 BP |
2055 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
2056 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
2057 | free(ocs); | |
66da9bef BP |
2058 | |
2059 | /* Set the fail-mode. */ | |
2060 | fail_mode = !br->cfg->fail_mode | |
2061 | || !strcmp(br->cfg->fail_mode, "standalone") | |
2062 | ? OFPROTO_FAIL_STANDALONE | |
2063 | : OFPROTO_FAIL_SECURE; | |
2064 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
2065 | ||
2066 | /* Configure OpenFlow controller connection snooping. */ | |
2067 | if (!ofproto_has_snoops(br->ofproto)) { | |
2068 | struct sset snoops; | |
5827ce14 | 2069 | |
66da9bef BP |
2070 | sset_init(&snoops); |
2071 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
2072 | ovs_rundir(), br->name)); | |
2073 | ofproto_set_snoops(br->ofproto, &snoops); | |
2074 | sset_destroy(&snoops); | |
064af421 BP |
2075 | } |
2076 | } | |
064af421 | 2077 | \f |
fa066f01 | 2078 | /* Port functions. */ |
064af421 | 2079 | |
f620b43a | 2080 | static struct port * |
fa066f01 | 2081 | port_create(struct bridge *br, const struct ovsrec_port *cfg) |
064af421 | 2082 | { |
f620b43a BP |
2083 | struct port *port; |
2084 | ||
2085 | port = xzalloc(sizeof *port); | |
2086 | port->bridge = br; | |
fa066f01 BP |
2087 | port->name = xstrdup(cfg->name); |
2088 | port->cfg = cfg; | |
f620b43a BP |
2089 | list_init(&port->ifaces); |
2090 | ||
2091 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); | |
2092 | ||
2093 | VLOG_INFO("created port %s on bridge %s", port->name, br->name); | |
f620b43a BP |
2094 | |
2095 | return port; | |
064af421 BP |
2096 | } |
2097 | ||
f620b43a BP |
2098 | static const char * |
2099 | get_port_other_config(const struct ovsrec_port *port, const char *key, | |
2100 | const char *default_value) | |
064af421 | 2101 | { |
f620b43a BP |
2102 | const char *value; |
2103 | ||
2104 | value = get_ovsrec_key_value(&port->header_, &ovsrec_port_col_other_config, | |
2105 | key); | |
2106 | return value ? value : default_value; | |
064af421 BP |
2107 | } |
2108 | ||
f620b43a BP |
2109 | static const char * |
2110 | get_interface_other_config(const struct ovsrec_interface *iface, | |
2111 | const char *key, const char *default_value) | |
064af421 | 2112 | { |
f620b43a BP |
2113 | const char *value; |
2114 | ||
2115 | value = get_ovsrec_key_value(&iface->header_, | |
2116 | &ovsrec_interface_col_other_config, key); | |
2117 | return value ? value : default_value; | |
064af421 BP |
2118 | } |
2119 | ||
fa066f01 | 2120 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
064af421 | 2121 | static void |
fa066f01 | 2122 | port_del_ifaces(struct port *port) |
064af421 | 2123 | { |
f620b43a BP |
2124 | struct iface *iface, *next; |
2125 | struct sset new_ifaces; | |
2126 | size_t i; | |
064af421 | 2127 | |
f620b43a BP |
2128 | /* Collect list of new interfaces. */ |
2129 | sset_init(&new_ifaces); | |
fa066f01 BP |
2130 | for (i = 0; i < port->cfg->n_interfaces; i++) { |
2131 | const char *name = port->cfg->interfaces[i]->name; | |
00794817 BP |
2132 | const char *type = port->cfg->interfaces[i]->name; |
2133 | if (strcmp(type, "null")) { | |
2134 | sset_add(&new_ifaces, name); | |
2135 | } | |
f620b43a | 2136 | } |
064af421 | 2137 | |
f620b43a BP |
2138 | /* Get rid of deleted interfaces. */ |
2139 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
2140 | if (!sset_contains(&new_ifaces, iface->name)) { | |
2141 | iface_destroy(iface); | |
064af421 | 2142 | } |
064af421 | 2143 | } |
f620b43a BP |
2144 | |
2145 | sset_destroy(&new_ifaces); | |
064af421 BP |
2146 | } |
2147 | ||
fa066f01 BP |
2148 | /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of |
2149 | * existing ones. */ | |
064af421 | 2150 | static void |
fa066f01 | 2151 | port_add_ifaces(struct port *port) |
064af421 | 2152 | { |
fa066f01 BP |
2153 | struct shash new_ifaces; |
2154 | struct shash_node *node; | |
2155 | size_t i; | |
064af421 | 2156 | |
fa066f01 BP |
2157 | /* Collect new ifaces. */ |
2158 | shash_init(&new_ifaces); | |
2159 | for (i = 0; i < port->cfg->n_interfaces; i++) { | |
2160 | const struct ovsrec_interface *cfg = port->cfg->interfaces[i]; | |
00794817 BP |
2161 | if (strcmp(cfg->type, "null") |
2162 | && !shash_add_once(&new_ifaces, cfg->name, cfg)) { | |
fa066f01 BP |
2163 | VLOG_WARN("port %s: %s specified twice as port interface", |
2164 | port->name, cfg->name); | |
3fc5a86a | 2165 | iface_clear_db_record(cfg); |
f620b43a | 2166 | } |
064af421 | 2167 | } |
be02e7c3 | 2168 | |
fa066f01 BP |
2169 | /* Create new interfaces. |
2170 | * Update interface types and 'cfg' members. */ | |
2171 | SHASH_FOR_EACH (node, &new_ifaces) { | |
2172 | const struct ovsrec_interface *cfg = node->data; | |
2173 | const char *iface_name = node->name; | |
76343538 BP |
2174 | struct iface *iface; |
2175 | ||
fa066f01 BP |
2176 | iface = iface_lookup(port->bridge, iface_name); |
2177 | if (!iface) { | |
2178 | iface = iface_create(port, cfg); | |
2179 | } else { | |
2180 | iface->cfg = cfg; | |
4a1ee6ae BP |
2181 | } |
2182 | ||
84b32864 EJ |
2183 | /* Determine interface type. The local port always has type |
2184 | * "internal". Other ports take their type from the database and | |
2185 | * default to "system" if none is specified. */ | |
fa066f01 BP |
2186 | iface->type = (!strcmp(iface_name, port->bridge->name) ? "internal" |
2187 | : cfg->type[0] ? cfg->type | |
2188 | : "system"); | |
d5346278 | 2189 | } |
fa066f01 | 2190 | shash_destroy(&new_ifaces); |
064af421 BP |
2191 | } |
2192 | ||
2193 | static void | |
2194 | port_destroy(struct port *port) | |
2195 | { | |
2196 | if (port) { | |
2197 | struct bridge *br = port->bridge; | |
83db7968 | 2198 | struct iface *iface, *next; |
064af421 | 2199 | |
fa066f01 BP |
2200 | if (br->ofproto) { |
2201 | ofproto_bundle_unregister(br->ofproto, port); | |
064af421 BP |
2202 | } |
2203 | ||
83db7968 BP |
2204 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2205 | iface_destroy(iface); | |
064af421 BP |
2206 | } |
2207 | ||
8052fb14 | 2208 | hmap_remove(&br->ports, &port->hmap_node); |
064af421 | 2209 | |
99707a7a JP |
2210 | VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name); |
2211 | ||
064af421 BP |
2212 | free(port->name); |
2213 | free(port); | |
064af421 BP |
2214 | } |
2215 | } | |
2216 | ||
064af421 BP |
2217 | static struct port * |
2218 | port_lookup(const struct bridge *br, const char *name) | |
2219 | { | |
8052fb14 BP |
2220 | struct port *port; |
2221 | ||
2222 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
2223 | &br->ports) { | |
2224 | if (!strcmp(port->name, name)) { | |
2225 | return port; | |
2226 | } | |
2227 | } | |
2228 | return NULL; | |
064af421 BP |
2229 | } |
2230 | ||
7a673515 BP |
2231 | static bool |
2232 | enable_lacp(struct port *port, bool *activep) | |
2233 | { | |
2234 | if (!port->cfg->lacp) { | |
2235 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
2236 | * default and make active on bonded ports. */ | |
2237 | return false; | |
2238 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
2239 | return false; | |
2240 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
2241 | *activep = true; | |
2242 | return true; | |
2243 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
2244 | *activep = false; | |
2245 | return true; | |
2246 | } else { | |
2247 | VLOG_WARN("port %s: unknown LACP mode %s", | |
2248 | port->name, port->cfg->lacp); | |
2249 | return false; | |
2250 | } | |
2251 | } | |
2252 | ||
fa066f01 BP |
2253 | static struct lacp_settings * |
2254 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 2255 | { |
cdcf42c6 EJ |
2256 | const char *lacp_time; |
2257 | long long int custom_time; | |
b5a25389 | 2258 | int priority; |
5827ce14 | 2259 | |
fa066f01 BP |
2260 | if (!enable_lacp(port, &s->active)) { |
2261 | return NULL; | |
abd4a95d EJ |
2262 | } |
2263 | ||
fa066f01 BP |
2264 | s->name = port->name; |
2265 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); | |
b5a25389 BP |
2266 | |
2267 | /* Prefer bondable links if unspecified. */ | |
2268 | priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority", | |
2269 | "0")); | |
fa066f01 BP |
2270 | s->priority = (priority > 0 && priority <= UINT16_MAX |
2271 | ? priority | |
2272 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 2273 | |
00794817 BP |
2274 | s->heartbeat = !strcmp(get_port_other_config(port->cfg, |
2275 | "lacp-heartbeat", | |
2276 | "false"), "true"); | |
b5a25389 | 2277 | |
da2f7b8f | 2278 | |
cdcf42c6 EJ |
2279 | lacp_time = get_port_other_config(port->cfg, "lacp-time", "slow"); |
2280 | custom_time = atoi(lacp_time); | |
2281 | if (!strcmp(lacp_time, "fast")) { | |
fa066f01 | 2282 | s->lacp_time = LACP_TIME_FAST; |
cdcf42c6 | 2283 | } else if (!strcmp(lacp_time, "slow")) { |
fa066f01 | 2284 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 | 2285 | } else if (custom_time > 0) { |
fa066f01 BP |
2286 | s->lacp_time = LACP_TIME_CUSTOM; |
2287 | s->custom_time = custom_time; | |
cdcf42c6 | 2288 | } else { |
fa066f01 | 2289 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 EJ |
2290 | } |
2291 | ||
fa066f01 BP |
2292 | return s; |
2293 | } | |
5827ce14 | 2294 | |
fa066f01 BP |
2295 | static void |
2296 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
2297 | { | |
00794817 | 2298 | int priority, portid, key; |
5827ce14 | 2299 | |
fa066f01 BP |
2300 | portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0")); |
2301 | priority = atoi(get_interface_other_config(iface->cfg, | |
2302 | "lacp-port-priority", "0")); | |
00794817 BP |
2303 | key = atoi(get_interface_other_config(iface->cfg, "lacp-aggregation-key", |
2304 | "0")); | |
fa066f01 BP |
2305 | |
2306 | if (portid <= 0 || portid > UINT16_MAX) { | |
892815f5 | 2307 | portid = iface->ofp_port; |
5827ce14 EJ |
2308 | } |
2309 | ||
fa066f01 BP |
2310 | if (priority <= 0 || priority > UINT16_MAX) { |
2311 | priority = UINT16_MAX; | |
2312 | } | |
5827ce14 | 2313 | |
00794817 BP |
2314 | if (key < 0 || key > UINT16_MAX) { |
2315 | key = 0; | |
5827ce14 | 2316 | } |
00794817 | 2317 | |
fa066f01 | 2318 | s->name = iface->name; |
fa066f01 BP |
2319 | s->id = portid; |
2320 | s->priority = priority; | |
00794817 | 2321 | s->key = key; |
bb5bc6c0 BP |
2322 | } |
2323 | ||
c25c91fd | 2324 | static void |
76ed83fc BP |
2325 | port_configure_bond(struct port *port, struct bond_settings *s, |
2326 | uint32_t *bond_stable_ids) | |
c25c91fd | 2327 | { |
f620b43a | 2328 | const char *detect_s; |
7a673515 | 2329 | struct iface *iface; |
1670c579 | 2330 | int miimon_interval; |
76ed83fc | 2331 | size_t i; |
c25c91fd | 2332 | |
fa066f01 BP |
2333 | s->name = port->name; |
2334 | s->balance = BM_SLB; | |
f620b43a | 2335 | if (port->cfg->bond_mode |
fa066f01 | 2336 | && !bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { |
f620b43a BP |
2337 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", |
2338 | port->name, port->cfg->bond_mode, | |
fa066f01 | 2339 | bond_mode_to_string(s->balance)); |
f620b43a | 2340 | } |
6c2d2a9f BP |
2341 | if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) { |
2342 | VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, " | |
2343 | "please use another bond type or disable flood_vlans", | |
2344 | port->name); | |
2345 | } | |
bb5bc6c0 | 2346 | |
1670c579 EJ |
2347 | miimon_interval = atoi(get_port_other_config(port->cfg, |
2348 | "bond-miimon-interval", "0")); | |
2349 | if (miimon_interval <= 0) { | |
2350 | miimon_interval = 200; | |
f620b43a BP |
2351 | } |
2352 | ||
1670c579 EJ |
2353 | detect_s = get_port_other_config(port->cfg, "bond-detect-mode", "carrier"); |
2354 | if (!strcmp(detect_s, "carrier")) { | |
2355 | miimon_interval = 0; | |
2356 | } else if (strcmp(detect_s, "miimon")) { | |
2357 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
2358 | "defaulting to carrier", port->name, detect_s); | |
2359 | miimon_interval = 0; | |
f620b43a BP |
2360 | } |
2361 | ||
fa066f01 BP |
2362 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
2363 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
00794817 | 2364 | s->basis = atoi(get_port_other_config(port->cfg, "bond-hash-basis", "0")); |
fa066f01 | 2365 | s->rebalance_interval = atoi( |
f620b43a | 2366 | get_port_other_config(port->cfg, "bond-rebalance-interval", "10000")); |
fa066f01 BP |
2367 | if (s->rebalance_interval < 1000) { |
2368 | s->rebalance_interval = 1000; | |
f620b43a BP |
2369 | } |
2370 | ||
fa066f01 | 2371 | s->fake_iface = port->cfg->bond_fake_iface; |
7a673515 | 2372 | |
76ed83fc | 2373 | i = 0; |
7a673515 | 2374 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
632e2b95 EJ |
2375 | long long stable_id; |
2376 | ||
2377 | stable_id = atoll(get_interface_other_config(iface->cfg, | |
2378 | "bond-stable-id", "0")); | |
632e2b95 | 2379 | if (stable_id <= 0 || stable_id >= UINT32_MAX) { |
76ed83fc | 2380 | stable_id = iface->ofp_port; |
632e2b95 | 2381 | } |
76ed83fc | 2382 | bond_stable_ids[i++] = stable_id; |
1670c579 EJ |
2383 | |
2384 | netdev_set_miimon_interval(iface->netdev, miimon_interval); | |
064af421 BP |
2385 | } |
2386 | } | |
064af421 BP |
2387 | \f |
2388 | /* Interface functions. */ | |
2389 | ||
76343538 | 2390 | static struct iface * |
a740f0de | 2391 | iface_create(struct port *port, const struct ovsrec_interface *if_cfg) |
064af421 | 2392 | { |
4a1ee6ae | 2393 | struct bridge *br = port->bridge; |
064af421 | 2394 | struct iface *iface; |
a740f0de | 2395 | char *name = if_cfg->name; |
064af421 | 2396 | |
ec6fde61 | 2397 | iface = xzalloc(sizeof *iface); |
064af421 | 2398 | iface->port = port; |
064af421 | 2399 | iface->name = xstrdup(name); |
892815f5 | 2400 | iface->ofp_port = -1; |
064af421 | 2401 | iface->tag = tag_create_random(); |
0c6aea3f | 2402 | iface->netdev = NULL; |
149f577a | 2403 | iface->cfg = if_cfg; |
064af421 | 2404 | |
ebea37cc | 2405 | hmap_insert(&br->iface_by_name, &iface->name_node, hash_string(name, 0)); |
2457b24f | 2406 | |
83db7968 | 2407 | list_push_back(&port->ifaces, &iface->port_elem); |
83db7968 | 2408 | |
064af421 BP |
2409 | VLOG_DBG("attached network device %s to port %s", iface->name, port->name); |
2410 | ||
76343538 | 2411 | return iface; |
064af421 BP |
2412 | } |
2413 | ||
2414 | static void | |
2415 | iface_destroy(struct iface *iface) | |
2416 | { | |
2417 | if (iface) { | |
2418 | struct port *port = iface->port; | |
2419 | struct bridge *br = port->bridge; | |
c17f0d5e | 2420 | |
892815f5 BP |
2421 | if (br->ofproto && iface->ofp_port >= 0) { |
2422 | ofproto_port_unregister(br->ofproto, iface->ofp_port); | |
5827ce14 EJ |
2423 | } |
2424 | ||
892815f5 BP |
2425 | if (iface->ofp_port >= 0) { |
2426 | hmap_remove(&br->ifaces, &iface->ofp_port_node); | |
064af421 BP |
2427 | } |
2428 | ||
83db7968 | 2429 | list_remove(&iface->port_elem); |
ebea37cc | 2430 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 2431 | |
0c6aea3f | 2432 | netdev_close(iface->netdev); |
064af421 | 2433 | |
a740f0de JG |
2434 | free(iface->name); |
2435 | free(iface); | |
064af421 BP |
2436 | } |
2437 | } | |
2438 | ||
2439 | static struct iface * | |
2440 | iface_lookup(const struct bridge *br, const char *name) | |
2441 | { | |
ebea37cc BP |
2442 | struct iface *iface; |
2443 | ||
2444 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
2445 | &br->iface_by_name) { | |
2446 | if (!strcmp(iface->name, name)) { | |
2447 | return iface; | |
2448 | } | |
2449 | } | |
2450 | ||
2451 | return NULL; | |
064af421 BP |
2452 | } |
2453 | ||
e8fe3026 EJ |
2454 | static struct iface * |
2455 | iface_find(const char *name) | |
2456 | { | |
2457 | const struct bridge *br; | |
2458 | ||
764072fd | 2459 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
2460 | struct iface *iface = iface_lookup(br, name); |
2461 | ||
2462 | if (iface) { | |
2463 | return iface; | |
2464 | } | |
2465 | } | |
2466 | return NULL; | |
2467 | } | |
2468 | ||
064af421 | 2469 | static struct iface * |
892815f5 | 2470 | iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port) |
064af421 | 2471 | { |
d9a8717a BP |
2472 | struct iface *iface; |
2473 | ||
892815f5 BP |
2474 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, |
2475 | hash_int(ofp_port, 0), &br->ifaces) { | |
2476 | if (iface->ofp_port == ofp_port) { | |
d9a8717a BP |
2477 | return iface; |
2478 | } | |
2479 | } | |
2480 | return NULL; | |
064af421 | 2481 | } |
557d8e6c | 2482 | |
52df17e7 BP |
2483 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
2484 | * file. */ | |
2485 | static void | |
2486 | iface_set_mac(struct iface *iface) | |
2487 | { | |
76343538 | 2488 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 2489 | |
ede2fd6d BP |
2490 | if (!strcmp(iface->type, "internal") |
2491 | && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
892815f5 | 2492 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
2493 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
2494 | "(use Bridge record to set local port's mac)", | |
2495 | iface->name); | |
2496 | } else if (eth_addr_is_multicast(ea)) { | |
52df17e7 BP |
2497 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
2498 | iface->name); | |
52df17e7 | 2499 | } else { |
4d678233 | 2500 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
2501 | if (error) { |
2502 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
2503 | iface->name, strerror(error)); | |
2504 | } | |
2505 | } | |
2506 | } | |
2507 | } | |
c1c9c9c4 | 2508 | |
bcd49a45 BP |
2509 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
2510 | static void | |
2511 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
2512 | { | |
cfea354b | 2513 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
bcd49a45 BP |
2514 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); |
2515 | } | |
2516 | } | |
2517 | ||
3fc5a86a BP |
2518 | /* Clears all of the fields in 'if_cfg' that indicate interface status, and |
2519 | * sets the "ofport" field to -1. | |
2520 | * | |
2521 | * This is appropriate when 'if_cfg''s interface cannot be created or is | |
2522 | * otherwise invalid. */ | |
2523 | static void | |
2524 | iface_clear_db_record(const struct ovsrec_interface *if_cfg) | |
2525 | { | |
2526 | if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { | |
2527 | iface_set_ofport(if_cfg, -1); | |
2528 | ovsrec_interface_set_status(if_cfg, NULL, NULL, 0); | |
2529 | ovsrec_interface_set_admin_state(if_cfg, NULL); | |
2530 | ovsrec_interface_set_duplex(if_cfg, NULL); | |
2531 | ovsrec_interface_set_link_speed(if_cfg, NULL, 0); | |
2532 | ovsrec_interface_set_link_state(if_cfg, NULL); | |
2533 | ovsrec_interface_set_mtu(if_cfg, NULL, 0); | |
2534 | ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0); | |
2535 | ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0); | |
2536 | ovsrec_interface_set_lacp_current(if_cfg, NULL, 0); | |
2537 | ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0); | |
2538 | } | |
2539 | } | |
2540 | ||
43776b8f BP |
2541 | /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'. |
2542 | * | |
2543 | * The value strings in '*shash' are taken directly from values[], not copied, | |
2544 | * so the caller should not modify or free them. */ | |
c1c9c9c4 BP |
2545 | static void |
2546 | shash_from_ovs_idl_map(char **keys, char **values, size_t n, | |
2547 | struct shash *shash) | |
2548 | { | |
2549 | size_t i; | |
2550 | ||
2551 | shash_init(shash); | |
2552 | for (i = 0; i < n; i++) { | |
2553 | shash_add(shash, keys[i], values[i]); | |
2554 | } | |
2555 | } | |
2556 | ||
ea763e0e EJ |
2557 | /* Creates 'keys' and 'values' arrays from 'shash'. |
2558 | * | |
2559 | * Sets 'keys' and 'values' to heap allocated arrays representing the key-value | |
2560 | * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They | |
2561 | * are populated with with strings taken directly from 'shash' and thus have | |
2562 | * the same ownership of the key-value pairs in shash. | |
2563 | */ | |
2564 | static void | |
2565 | shash_to_ovs_idl_map(struct shash *shash, | |
2566 | char ***keys, char ***values, size_t *n) | |
2567 | { | |
2568 | size_t i, count; | |
2569 | char **k, **v; | |
2570 | struct shash_node *sn; | |
2571 | ||
2572 | count = shash_count(shash); | |
2573 | ||
2574 | k = xmalloc(count * sizeof *k); | |
2575 | v = xmalloc(count * sizeof *v); | |
2576 | ||
2577 | i = 0; | |
2578 | SHASH_FOR_EACH(sn, shash) { | |
2579 | k[i] = sn->name; | |
2580 | v[i] = sn->data; | |
2581 | i++; | |
2582 | } | |
2583 | ||
2584 | *n = count; | |
2585 | *keys = k; | |
2586 | *values = v; | |
2587 | } | |
2588 | ||
c1c9c9c4 BP |
2589 | struct iface_delete_queues_cbdata { |
2590 | struct netdev *netdev; | |
44fca7f9 | 2591 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
2592 | }; |
2593 | ||
2594 | static bool | |
44fca7f9 | 2595 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 2596 | { |
44fca7f9 | 2597 | union ovsdb_atom atom; |
c1c9c9c4 | 2598 | |
44fca7f9 BP |
2599 | atom.integer = target; |
2600 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
2601 | } |
2602 | ||
2603 | static void | |
2604 | iface_delete_queues(unsigned int queue_id, | |
2605 | const struct shash *details OVS_UNUSED, void *cbdata_) | |
2606 | { | |
2607 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
2608 | ||
44fca7f9 | 2609 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
2610 | netdev_delete_queue(cbdata->netdev, queue_id); |
2611 | } | |
2612 | } | |
2613 | ||
2614 | static void | |
66da9bef | 2615 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 2616 | { |
daa8bd2b | 2617 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
2618 | netdev_set_qos(iface->netdev, NULL, NULL); |
2619 | } else { | |
2620 | struct iface_delete_queues_cbdata cbdata; | |
2621 | struct shash details; | |
6a6e60bd | 2622 | bool queue_zero; |
c1c9c9c4 BP |
2623 | size_t i; |
2624 | ||
2625 | /* Configure top-level Qos for 'iface'. */ | |
2626 | shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config, | |
2627 | qos->n_other_config, &details); | |
2628 | netdev_set_qos(iface->netdev, qos->type, &details); | |
2629 | shash_destroy(&details); | |
2630 | ||
2631 | /* Deconfigure queues that were deleted. */ | |
2632 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
2633 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
2634 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
2635 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
2636 | ||
2637 | /* Configure queues for 'iface'. */ | |
6a6e60bd | 2638 | queue_zero = false; |
c1c9c9c4 BP |
2639 | for (i = 0; i < qos->n_queues; i++) { |
2640 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
2641 | unsigned int queue_id = qos->key_queues[i]; | |
2642 | ||
6a6e60bd BP |
2643 | if (queue_id == 0) { |
2644 | queue_zero = true; | |
2645 | } | |
2646 | ||
c1c9c9c4 BP |
2647 | shash_from_ovs_idl_map(queue->key_other_config, |
2648 | queue->value_other_config, | |
2649 | queue->n_other_config, &details); | |
2650 | netdev_set_queue(iface->netdev, queue_id, &details); | |
2651 | shash_destroy(&details); | |
2652 | } | |
6a6e60bd BP |
2653 | if (!queue_zero) { |
2654 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
2655 | VLOG_WARN_RL(&rl, "interface %s: QoS configured without a default " | |
2656 | "queue (queue 0). Packets not directed to a " | |
2657 | "correctly configured queue may be dropped.", | |
2658 | iface->name); | |
2659 | } | |
c1c9c9c4 | 2660 | } |
fa066f01 BP |
2661 | |
2662 | netdev_set_policing(iface->netdev, | |
2663 | iface->cfg->ingress_policing_rate, | |
2664 | iface->cfg->ingress_policing_burst); | |
c1c9c9c4 | 2665 | } |
b31bcf60 EJ |
2666 | |
2667 | static void | |
66da9bef | 2668 | iface_configure_cfm(struct iface *iface) |
b31bcf60 | 2669 | { |
93b8df38 | 2670 | const struct ovsrec_interface *cfg = iface->cfg; |
ef9819b5 | 2671 | const char *extended_str; |
a5610457 | 2672 | struct cfm_settings s; |
b31bcf60 | 2673 | |
144216a3 | 2674 | if (!cfg->n_cfm_mpid) { |
892815f5 | 2675 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
2676 | return; |
2677 | } | |
2678 | ||
a5610457 | 2679 | s.mpid = *cfg->cfm_mpid; |
a5610457 EJ |
2680 | s.interval = atoi(get_interface_other_config(iface->cfg, "cfm_interval", |
2681 | "0")); | |
2682 | if (s.interval <= 0) { | |
2683 | s.interval = 1000; | |
b31bcf60 | 2684 | } |
b31bcf60 | 2685 | |
ef9819b5 EJ |
2686 | extended_str = get_interface_other_config(iface->cfg, "cfm_extended", |
2687 | "false"); | |
2688 | s.extended = !strcasecmp("true", extended_str); | |
2689 | ||
a5610457 | 2690 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s); |
b31bcf60 | 2691 | } |
0b8024eb BP |
2692 | |
2693 | /* Read carrier or miimon status directly from 'iface''s netdev, according to | |
2694 | * how 'iface''s port is configured. | |
2695 | * | |
2696 | * Returns true if 'iface' is up, false otherwise. */ | |
2697 | static bool | |
2698 | iface_get_carrier(const struct iface *iface) | |
2699 | { | |
f620b43a BP |
2700 | /* XXX */ |
2701 | return netdev_get_carrier(iface->netdev); | |
0b8024eb | 2702 | } |
cfea354b BP |
2703 | |
2704 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally | |
2705 | * instead of obtaining it from the database. */ | |
2706 | static bool | |
2707 | iface_is_synthetic(const struct iface *iface) | |
2708 | { | |
2709 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
2710 | } | |
064af421 BP |
2711 | \f |
2712 | /* Port mirroring. */ | |
2713 | ||
dd0d105c BP |
2714 | static struct mirror * |
2715 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
2716 | { | |
fa066f01 | 2717 | struct mirror *m; |
dd0d105c | 2718 | |
fa066f01 BP |
2719 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
2720 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
2721 | return m; |
2722 | } | |
2723 | } | |
2724 | return NULL; | |
2725 | } | |
2726 | ||
064af421 | 2727 | static void |
fa066f01 | 2728 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 2729 | { |
fa066f01 BP |
2730 | const struct ovsdb_datum *mc; |
2731 | unsigned long *flood_vlans; | |
2732 | struct mirror *m, *next; | |
2733 | size_t i; | |
064af421 | 2734 | |
dd0d105c | 2735 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
2736 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
2737 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
2738 | union ovsdb_atom atom; | |
2739 | ||
2740 | atom.uuid = m->uuid; | |
2741 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
2742 | mirror_destroy(m); | |
064af421 BP |
2743 | } |
2744 | } | |
2745 | ||
dd0d105c | 2746 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 2747 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 2748 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 2749 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
2750 | if (!m) { |
2751 | m = mirror_create(br, cfg); | |
064af421 | 2752 | } |
fa066f01 BP |
2753 | if (!mirror_configure(m, cfg)) { |
2754 | mirror_destroy(m); | |
064af421 BP |
2755 | } |
2756 | } | |
f2d7fd66 | 2757 | |
8f30d09a | 2758 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
2759 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
2760 | br->cfg->n_flood_vlans); | |
2761 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
2762 | bitmap_free(flood_vlans); | |
064af421 BP |
2763 | } |
2764 | ||
fa066f01 BP |
2765 | static struct mirror * |
2766 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
2767 | { |
2768 | struct mirror *m; | |
064af421 | 2769 | |
fa066f01 | 2770 | m = xzalloc(sizeof *m); |
8bbc128e | 2771 | m->uuid = cfg->header_.uuid; |
fa066f01 | 2772 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 2773 | m->bridge = br; |
dd0d105c | 2774 | m->name = xstrdup(cfg->name); |
37e7f427 | 2775 | |
fa066f01 | 2776 | return m; |
064af421 BP |
2777 | } |
2778 | ||
2779 | static void | |
2780 | mirror_destroy(struct mirror *m) | |
2781 | { | |
2782 | if (m) { | |
2783 | struct bridge *br = m->bridge; | |
064af421 | 2784 | |
fa066f01 BP |
2785 | if (br->ofproto) { |
2786 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
2787 | } |
2788 | ||
fa066f01 | 2789 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 2790 | free(m->name); |
064af421 | 2791 | free(m); |
064af421 BP |
2792 | } |
2793 | } | |
2794 | ||
2795 | static void | |
fa066f01 BP |
2796 | mirror_collect_ports(struct mirror *m, |
2797 | struct ovsrec_port **in_ports, int n_in_ports, | |
2798 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 2799 | { |
fa066f01 BP |
2800 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
2801 | size_t n_out_ports = 0; | |
064af421 BP |
2802 | size_t i; |
2803 | ||
fa066f01 BP |
2804 | for (i = 0; i < n_in_ports; i++) { |
2805 | const char *name = in_ports[i]->name; | |
2806 | struct port *port = port_lookup(m->bridge, name); | |
2807 | if (port) { | |
2808 | out_ports[n_out_ports++] = port; | |
064af421 | 2809 | } else { |
37e7f427 BP |
2810 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
2811 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
2812 | } |
2813 | } | |
fa066f01 BP |
2814 | *out_portsp = out_ports; |
2815 | *n_out_portsp = n_out_ports; | |
064af421 BP |
2816 | } |
2817 | ||
2818 | static bool | |
fa066f01 | 2819 | mirror_configure(struct mirror *m, const struct ovsrec_mirror *cfg) |
064af421 | 2820 | { |
fa066f01 | 2821 | struct ofproto_mirror_settings s; |
064af421 | 2822 | |
dd0d105c BP |
2823 | /* Set name. */ |
2824 | if (strcmp(cfg->name, m->name)) { | |
2825 | free(m->name); | |
2826 | m->name = xstrdup(cfg->name); | |
2827 | } | |
fa066f01 | 2828 | s.name = m->name; |
dd0d105c | 2829 | |
fa066f01 | 2830 | /* Get output port or VLAN. */ |
37e7f427 | 2831 | if (cfg->output_port) { |
fa066f01 | 2832 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 2833 | if (!s.out_bundle) { |
37e7f427 BP |
2834 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
2835 | m->bridge->name, m->name); | |
fa066f01 | 2836 | return false; |
064af421 | 2837 | } |
fa066f01 | 2838 | s.out_vlan = UINT16_MAX; |
064af421 | 2839 | |
37e7f427 BP |
2840 | if (cfg->output_vlan) { |
2841 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
2842 | "output vlan; ignoring output vlan", | |
2843 | m->bridge->name, m->name); | |
064af421 | 2844 | } |
37e7f427 | 2845 | } else if (cfg->output_vlan) { |
fa066f01 BP |
2846 | /* The database should prevent invalid VLAN values. */ |
2847 | s.out_bundle = NULL; | |
2848 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 2849 | } else { |
37e7f427 BP |
2850 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
2851 | m->bridge->name, m->name); | |
fa066f01 | 2852 | return false; |
064af421 BP |
2853 | } |
2854 | ||
fa066f01 | 2855 | /* Get port selection. */ |
939ff267 | 2856 | if (cfg->select_all) { |
fa066f01 BP |
2857 | size_t n_ports = hmap_count(&m->bridge->ports); |
2858 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 2859 | struct port *port; |
fa066f01 BP |
2860 | size_t i; |
2861 | ||
2862 | i = 0; | |
8052fb14 | 2863 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 2864 | ports[i++] = port; |
939ff267 | 2865 | } |
fa066f01 BP |
2866 | |
2867 | s.srcs = ports; | |
2868 | s.n_srcs = n_ports; | |
2869 | ||
2870 | s.dsts = ports; | |
2871 | s.n_dsts = n_ports; | |
939ff267 | 2872 | } else { |
fa066f01 BP |
2873 | /* Get ports, dropping ports that don't exist. |
2874 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 2875 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 2876 | &s.srcs, &s.n_srcs); |
939ff267 | 2877 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 2878 | &s.dsts, &s.n_dsts); |
064af421 BP |
2879 | } |
2880 | ||
fa066f01 BP |
2881 | /* Get VLAN selection. */ |
2882 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
2883 | ||
2884 | /* Configure. */ | |
2885 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
2886 | ||
064af421 | 2887 | /* Clean up. */ |
fa066f01 BP |
2888 | if (s.srcs != s.dsts) { |
2889 | free(s.dsts); | |
2890 | } | |
2891 | free(s.srcs); | |
2892 | free(s.src_vlans); | |
2893 | ||
2894 | return true; | |
064af421 | 2895 | } |