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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 *); | |
cfea354b | 204 | static bool iface_is_synthetic(const struct iface *); |
064af421 | 205 | |
43776b8f BP |
206 | static void shash_from_ovs_idl_map(char **keys, char **values, size_t n, |
207 | struct shash *); | |
ea763e0e EJ |
208 | static void shash_to_ovs_idl_map(struct shash *, |
209 | char ***keys, char ***values, size_t *n); | |
064af421 BP |
210 | \f |
211 | /* Public functions. */ | |
212 | ||
c5187f17 BP |
213 | /* Initializes the bridge module, configuring it to obtain its configuration |
214 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
215 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 216 | void |
c5187f17 BP |
217 | bridge_init(const char *remote) |
218 | { | |
219 | /* Create connection to database. */ | |
ef73f86c | 220 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true); |
06b6d651 | 221 | ovsdb_idl_set_lock(idl, "ovs_vswitchd"); |
c5187f17 | 222 | |
ef73f86c BP |
223 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
224 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 | 225 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
62f3aaed BP |
226 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version); |
227 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version); | |
228 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type); | |
229 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version); | |
e85bbd75 | 230 | |
62f3aaed | 231 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id); |
e85bbd75 BP |
232 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); |
233 | ||
234 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); | |
235 | ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge); | |
236 | ||
62f3aaed BP |
237 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state); |
238 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex); | |
239 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed); | |
240 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state); | |
65c3058c | 241 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets); |
62f3aaed | 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++) { | |
5af5b532 | 742 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
66da9bef | 743 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; |
5af5b532 BP |
744 | |
745 | if (strchr(br_cfg->name, '/')) { | |
746 | /* Prevent remote ovsdb-server users from accessing arbitrary | |
747 | * directories, e.g. consider a bridge named "../../../etc/". */ | |
748 | VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"", | |
749 | br_cfg->name); | |
750 | } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
751 | VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name); | |
66da9bef BP |
752 | } |
753 | } | |
754 | ||
755 | /* Get rid of deleted bridges or those whose types have changed. | |
756 | * Update 'cfg' of bridges that still exist. */ | |
757 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
758 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
759 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
760 | br->cfg->datapath_type))) { | |
66da9bef BP |
761 | bridge_destroy(br); |
762 | } | |
763 | } | |
764 | ||
765 | /* Add new bridges. */ | |
766 | for (i = 0; i < cfg->n_bridges; i++) { | |
767 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
768 | struct bridge *br = bridge_lookup(br_cfg->name); | |
769 | if (!br) { | |
770 | bridge_create(br_cfg); | |
771 | } | |
772 | } | |
773 | ||
774 | shash_destroy(&new_br); | |
775 | } | |
776 | ||
777 | /* Delete each ofproto port on 'br' that doesn't have a corresponding "struct | |
778 | * iface". | |
779 | * | |
780 | * The kernel will reject any attempt to add a given port to a datapath if that | |
781 | * port already belongs to a different datapath, so we must do all port | |
782 | * deletions before any port additions. */ | |
783 | static void | |
784 | bridge_del_ofproto_ports(struct bridge *br) | |
785 | { | |
786 | struct ofproto_port_dump dump; | |
787 | struct ofproto_port ofproto_port; | |
788 | ||
789 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { | |
790 | const char *name = ofproto_port.name; | |
791 | struct iface *iface; | |
792 | const char *type; | |
793 | int error; | |
794 | ||
795 | /* Ignore the local port. We can't change it anyhow. */ | |
796 | if (!strcmp(name, br->name)) { | |
797 | continue; | |
798 | } | |
799 | ||
800 | /* Get the type that 'ofproto_port' should have (ordinarily the | |
801 | * type of its corresponding iface) or NULL if it should be | |
802 | * deleted. */ | |
803 | iface = iface_lookup(br, name); | |
804 | type = (iface ? iface->type | |
805 | : bridge_has_bond_fake_iface(br, name) ? "internal" | |
806 | : NULL); | |
807 | ||
808 | /* If it's the wrong type then delete the ofproto port. */ | |
809 | if (type | |
810 | && !strcmp(ofproto_port.type, type) | |
811 | && (!iface || !iface->netdev | |
812 | || !strcmp(netdev_get_type(iface->netdev), type))) { | |
813 | continue; | |
814 | } | |
815 | error = ofproto_port_del(br->ofproto, ofproto_port.ofp_port); | |
816 | if (error) { | |
817 | VLOG_WARN("bridge %s: failed to remove %s interface (%s)", | |
818 | br->name, name, strerror(error)); | |
819 | } | |
820 | if (iface) { | |
66da9bef BP |
821 | netdev_close(iface->netdev); |
822 | iface->netdev = NULL; | |
823 | } | |
824 | } | |
825 | } | |
826 | ||
827 | static void | |
892815f5 | 828 | iface_set_ofp_port(struct iface *iface, int ofp_port) |
66da9bef BP |
829 | { |
830 | struct bridge *br = iface->port->bridge; | |
831 | ||
892815f5 BP |
832 | assert(iface->ofp_port < 0 && ofp_port >= 0); |
833 | iface->ofp_port = ofp_port; | |
834 | hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0)); | |
2e281761 | 835 | iface_set_ofport(iface->cfg, ofp_port); |
66da9bef BP |
836 | } |
837 | ||
838 | static void | |
892815f5 | 839 | bridge_refresh_ofp_port(struct bridge *br) |
66da9bef BP |
840 | { |
841 | struct ofproto_port_dump dump; | |
842 | struct ofproto_port ofproto_port; | |
843 | struct port *port; | |
844 | ||
892815f5 | 845 | /* Clear all the "ofp_port"es. */ |
66da9bef BP |
846 | hmap_clear(&br->ifaces); |
847 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
848 | struct iface *iface; | |
849 | ||
850 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 851 | iface->ofp_port = -1; |
66da9bef BP |
852 | } |
853 | } | |
854 | ||
892815f5 | 855 | /* Obtain the correct "ofp_port"s from ofproto. */ |
66da9bef | 856 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
66da9bef BP |
857 | struct iface *iface = iface_lookup(br, ofproto_port.name); |
858 | if (iface) { | |
892815f5 | 859 | if (iface->ofp_port >= 0) { |
66da9bef BP |
860 | VLOG_WARN("bridge %s: interface %s reported twice", |
861 | br->name, ofproto_port.name); | |
892815f5 | 862 | } else if (iface_from_ofp_port(br, ofproto_port.ofp_port)) { |
66da9bef | 863 | VLOG_WARN("bridge %s: interface %"PRIu16" reported twice", |
892815f5 | 864 | br->name, ofproto_port.ofp_port); |
66da9bef | 865 | } else { |
892815f5 | 866 | iface_set_ofp_port(iface, ofproto_port.ofp_port); |
66da9bef BP |
867 | } |
868 | } | |
869 | } | |
870 | } | |
871 | ||
f79e673f | 872 | /* Add an ofproto port for any "struct iface" that doesn't have one. |
66da9bef BP |
873 | * Delete any "struct iface" for which this fails. |
874 | * Delete any "struct port" that thereby ends up with no ifaces. */ | |
875 | static void | |
876 | bridge_add_ofproto_ports(struct bridge *br) | |
877 | { | |
878 | struct port *port, *next_port; | |
66da9bef BP |
879 | |
880 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { | |
881 | struct iface *iface, *next_iface; | |
892815f5 | 882 | struct ofproto_port ofproto_port; |
66da9bef BP |
883 | |
884 | LIST_FOR_EACH_SAFE (iface, next_iface, port_elem, &port->ifaces) { | |
66da9bef BP |
885 | int error; |
886 | ||
de5cdb90 | 887 | /* Open the netdev. */ |
66da9bef | 888 | if (!iface->netdev) { |
18812dff | 889 | error = netdev_open(iface->name, iface->type, &iface->netdev); |
de5cdb90 BP |
890 | if (error) { |
891 | VLOG_WARN("could not open network device %s (%s)", | |
892 | iface->name, strerror(error)); | |
893 | } | |
66da9bef | 894 | } else { |
de5cdb90 | 895 | error = 0; |
66da9bef | 896 | } |
de5cdb90 BP |
897 | |
898 | /* Configure the netdev. */ | |
899 | if (iface->netdev) { | |
900 | struct shash args; | |
901 | ||
902 | shash_init(&args); | |
903 | shash_from_ovs_idl_map(iface->cfg->key_options, | |
904 | iface->cfg->value_options, | |
905 | iface->cfg->n_options, &args); | |
906 | error = netdev_set_config(iface->netdev, &args); | |
907 | shash_destroy(&args); | |
908 | ||
909 | if (error) { | |
910 | VLOG_WARN("could not configure network device %s (%s)", | |
911 | iface->name, strerror(error)); | |
912 | netdev_close(iface->netdev); | |
913 | iface->netdev = NULL; | |
914 | } | |
66da9bef BP |
915 | } |
916 | ||
917 | /* Add the port, if necessary. */ | |
892815f5 | 918 | if (iface->netdev && iface->ofp_port < 0) { |
66da9bef BP |
919 | uint16_t ofp_port; |
920 | int error; | |
921 | ||
922 | error = ofproto_port_add(br->ofproto, iface->netdev, | |
923 | &ofp_port); | |
924 | if (!error) { | |
892815f5 | 925 | iface_set_ofp_port(iface, ofp_port); |
66da9bef BP |
926 | } else { |
927 | netdev_close(iface->netdev); | |
928 | iface->netdev = NULL; | |
929 | } | |
930 | } | |
931 | ||
8cea3c07 BP |
932 | /* Populate stats columns in new Interface rows. */ |
933 | if (iface->netdev && !iface->cfg->mtu) { | |
934 | iface_refresh_stats(iface); | |
935 | iface_refresh_status(iface); | |
936 | } | |
937 | ||
de5cdb90 | 938 | /* Delete the iface if we failed. */ |
892815f5 | 939 | if (iface->netdev && iface->ofp_port >= 0) { |
66da9bef | 940 | VLOG_DBG("bridge %s: interface %s is on port %d", |
892815f5 | 941 | br->name, iface->name, iface->ofp_port); |
66da9bef BP |
942 | } else { |
943 | if (iface->netdev) { | |
944 | VLOG_ERR("bridge %s: missing %s interface, dropping", | |
945 | br->name, iface->name); | |
946 | } else { | |
947 | /* We already reported a related error, don't bother | |
948 | * duplicating it. */ | |
949 | } | |
3fc5a86a | 950 | iface_clear_db_record(iface->cfg); |
66da9bef BP |
951 | iface_destroy(iface); |
952 | } | |
953 | } | |
954 | if (list_is_empty(&port->ifaces)) { | |
955 | VLOG_WARN("%s port has no interfaces, dropping", port->name); | |
956 | port_destroy(port); | |
957 | continue; | |
958 | } | |
959 | ||
960 | /* Add bond fake iface if necessary. */ | |
961 | if (port_is_bond_fake_iface(port)) { | |
962 | if (ofproto_port_query_by_name(br->ofproto, port->name, | |
963 | &ofproto_port)) { | |
66da9bef BP |
964 | struct netdev *netdev; |
965 | int error; | |
966 | ||
18812dff | 967 | error = netdev_open(port->name, "internal", &netdev); |
66da9bef BP |
968 | if (!error) { |
969 | ofproto_port_add(br->ofproto, netdev, NULL); | |
970 | netdev_close(netdev); | |
971 | } else { | |
972 | VLOG_WARN("could not open network device %s (%s)", | |
973 | port->name, strerror(error)); | |
974 | } | |
975 | } else { | |
976 | /* Already exists, nothing to do. */ | |
977 | ofproto_port_destroy(&ofproto_port); | |
978 | } | |
979 | } | |
980 | } | |
981 | } | |
982 | ||
093e47f4 | 983 | static const char * |
af6278e1 BP |
984 | get_ovsrec_key_value(const struct ovsdb_idl_row *row, |
985 | const struct ovsdb_idl_column *column, | |
986 | const char *key) | |
093e47f4 | 987 | { |
af6278e1 BP |
988 | const struct ovsdb_datum *datum; |
989 | union ovsdb_atom atom; | |
990 | unsigned int idx; | |
093e47f4 | 991 | |
af6278e1 BP |
992 | datum = ovsdb_idl_get(row, column, OVSDB_TYPE_STRING, OVSDB_TYPE_STRING); |
993 | atom.string = (char *) key; | |
994 | idx = ovsdb_datum_find_key(datum, &atom, OVSDB_TYPE_STRING); | |
995 | return idx == UINT_MAX ? NULL : datum->values[idx].string; | |
064af421 BP |
996 | } |
997 | ||
c8143c88 BP |
998 | static const char * |
999 | bridge_get_other_config(const struct ovsrec_bridge *br_cfg, const char *key) | |
1000 | { | |
af6278e1 BP |
1001 | return get_ovsrec_key_value(&br_cfg->header_, |
1002 | &ovsrec_bridge_col_other_config, key); | |
c8143c88 BP |
1003 | } |
1004 | ||
084f5290 SH |
1005 | /* Set Flow eviction threshold */ |
1006 | static void | |
1007 | bridge_configure_flow_eviction_threshold(struct bridge *br) | |
1008 | { | |
1009 | const char *threshold_str; | |
1010 | unsigned threshold; | |
1011 | ||
1012 | threshold_str = bridge_get_other_config(br->cfg, "flow-eviction-threshold"); | |
1013 | if (threshold_str) { | |
1014 | threshold = strtoul(threshold_str, NULL, 10); | |
1015 | } else { | |
1016 | threshold = OFPROTO_FLOW_EVICTON_THRESHOLD_DEFAULT; | |
1017 | } | |
1018 | ofproto_set_flow_eviction_threshold(br->ofproto, threshold); | |
1019 | } | |
1020 | ||
8402c74b SS |
1021 | /* Set forward BPDU option. */ |
1022 | static void | |
1023 | bridge_configure_forward_bpdu(struct bridge *br) | |
1024 | { | |
1025 | const char *forward_bpdu_str; | |
1026 | bool forward_bpdu = false; | |
1027 | ||
1028 | forward_bpdu_str = bridge_get_other_config(br->cfg, "forward-bpdu"); | |
1029 | if (forward_bpdu_str && !strcmp(forward_bpdu_str, "true")) { | |
1030 | forward_bpdu = true; | |
1031 | } | |
1032 | ofproto_set_forward_bpdu(br->ofproto, forward_bpdu); | |
1033 | } | |
1034 | ||
064af421 BP |
1035 | static void |
1036 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 1037 | struct iface **hw_addr_iface) |
064af421 | 1038 | { |
093e47f4 | 1039 | const char *hwaddr; |
8052fb14 | 1040 | struct port *port; |
3a48ace3 | 1041 | bool found_addr = false; |
064af421 BP |
1042 | int error; |
1043 | ||
07c318f4 | 1044 | *hw_addr_iface = NULL; |
064af421 BP |
1045 | |
1046 | /* Did the user request a particular MAC? */ | |
093e47f4 BP |
1047 | hwaddr = bridge_get_other_config(br->cfg, "hwaddr"); |
1048 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { | |
064af421 BP |
1049 | if (eth_addr_is_multicast(ea)) { |
1050 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
1051 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1052 | } else if (eth_addr_is_zero(ea)) { | |
1053 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
1054 | } else { | |
1055 | return; | |
1056 | } | |
1057 | } | |
1058 | ||
141f4942 BP |
1059 | /* Otherwise choose the minimum non-local MAC address among all of the |
1060 | * interfaces. */ | |
8052fb14 | 1061 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 1062 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 1063 | struct iface *candidate; |
58b7527e BP |
1064 | struct iface *iface; |
1065 | ||
1066 | /* Mirror output ports don't participate. */ | |
fa066f01 | 1067 | if (ofproto_is_mirror_output_bundle(br->ofproto, port)) { |
064af421 BP |
1068 | continue; |
1069 | } | |
58b7527e BP |
1070 | |
1071 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 1072 | iface = NULL; |
76343538 | 1073 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
1074 | /* Find the interface with this Ethernet address (if any) so that |
1075 | * we can provide the correct devname to the caller. */ | |
83db7968 | 1076 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 1077 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 1078 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1079 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1080 | iface = candidate; | |
1081 | } | |
1082 | } | |
58b7527e BP |
1083 | } else { |
1084 | /* Choose the interface whose MAC address will represent the port. | |
1085 | * The Linux kernel bonding code always chooses the MAC address of | |
1086 | * the first slave added to a bond, and the Fedora networking | |
1087 | * scripts always add slaves to a bond in alphabetical order, so | |
1088 | * for compatibility we choose the interface with the name that is | |
1089 | * first in alphabetical order. */ | |
83db7968 BP |
1090 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1091 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1092 | iface = candidate; |
1093 | } | |
1094 | } | |
1095 | ||
1096 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1097 | * MAC address anyway). */ |
892815f5 | 1098 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1099 | continue; |
1100 | } | |
58b7527e BP |
1101 | |
1102 | /* Grab MAC. */ | |
07c318f4 | 1103 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1104 | if (error) { |
58b7527e | 1105 | continue; |
064af421 BP |
1106 | } |
1107 | } | |
58b7527e BP |
1108 | |
1109 | /* Compare against our current choice. */ | |
1110 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1111 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1112 | !eth_addr_is_reserved(iface_ea) && |
1113 | !eth_addr_is_zero(iface_ea) && | |
0d1fe4a3 | 1114 | (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0)) |
58b7527e | 1115 | { |
0babc06f | 1116 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1117 | *hw_addr_iface = iface; |
3a48ace3 | 1118 | found_addr = true; |
58b7527e | 1119 | } |
064af421 | 1120 | } |
3a48ace3 JP |
1121 | if (found_addr) { |
1122 | VLOG_DBG("bridge %s: using bridge Ethernet address "ETH_ADDR_FMT, | |
1123 | br->name, ETH_ADDR_ARGS(ea)); | |
1124 | } else { | |
064af421 | 1125 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); |
07c318f4 | 1126 | *hw_addr_iface = NULL; |
064af421 BP |
1127 | VLOG_WARN("bridge %s: using default bridge Ethernet " |
1128 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
064af421 BP |
1129 | } |
1130 | } | |
1131 | ||
1132 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge | |
1133 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1134 | * an interface on 'br', then that interface must be passed in as |
1135 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1136 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1137 | static uint64_t |
1138 | bridge_pick_datapath_id(struct bridge *br, | |
1139 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1140 | struct iface *hw_addr_iface) |
064af421 BP |
1141 | { |
1142 | /* | |
1143 | * The procedure for choosing a bridge MAC address will, in the most | |
1144 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1145 | * ID. In some special cases, though, multiple bridges will end up with | |
1146 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1147 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1148 | * ID. | |
1149 | * | |
1150 | * Datapath IDs must be unique. It is also very desirable that they be | |
1151 | * stable from one run to the next, so that policy set on a datapath | |
1152 | * "sticks". | |
1153 | */ | |
093e47f4 | 1154 | const char *datapath_id; |
064af421 BP |
1155 | uint64_t dpid; |
1156 | ||
093e47f4 BP |
1157 | datapath_id = bridge_get_other_config(br->cfg, "datapath-id"); |
1158 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { | |
064af421 BP |
1159 | return dpid; |
1160 | } | |
1161 | ||
07c318f4 | 1162 | if (hw_addr_iface) { |
064af421 | 1163 | int vlan; |
b2f17b15 | 1164 | if (!netdev_get_vlan_vid(hw_addr_iface->netdev, &vlan)) { |
064af421 BP |
1165 | /* |
1166 | * A bridge whose MAC address is taken from a VLAN network device | |
1167 | * (that is, a network device created with vconfig(8) or similar | |
1168 | * tool) will have the same MAC address as a bridge on the VLAN | |
1169 | * device's physical network device. | |
1170 | * | |
1171 | * Handle this case by hashing the physical network device MAC | |
1172 | * along with the VLAN identifier. | |
1173 | */ | |
1174 | uint8_t buf[ETH_ADDR_LEN + 2]; | |
1175 | memcpy(buf, bridge_ea, ETH_ADDR_LEN); | |
1176 | buf[ETH_ADDR_LEN] = vlan >> 8; | |
1177 | buf[ETH_ADDR_LEN + 1] = vlan; | |
1178 | return dpid_from_hash(buf, sizeof buf); | |
1179 | } else { | |
1180 | /* | |
1181 | * Assume that this bridge's MAC address is unique, since it | |
1182 | * doesn't fit any of the cases we handle specially. | |
1183 | */ | |
1184 | } | |
1185 | } else { | |
1186 | /* | |
1187 | * A purely internal bridge, that is, one that has no non-virtual | |
1188 | * network devices on it at all, is more difficult because it has no | |
1189 | * natural unique identifier at all. | |
1190 | * | |
1191 | * When the host is a XenServer, we handle this case by hashing the | |
1192 | * host's UUID with the name of the bridge. Names of bridges are | |
1193 | * persistent across XenServer reboots, although they can be reused if | |
1194 | * an internal network is destroyed and then a new one is later | |
1195 | * created, so this is fairly effective. | |
1196 | * | |
1197 | * When the host is not a XenServer, we punt by using a random MAC | |
1198 | * address on each run. | |
1199 | */ | |
1200 | const char *host_uuid = xenserver_get_host_uuid(); | |
1201 | if (host_uuid) { | |
1202 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1203 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1204 | free(combined); | |
1205 | return dpid; | |
1206 | } | |
1207 | } | |
1208 | ||
1209 | return eth_addr_to_uint64(bridge_ea); | |
1210 | } | |
1211 | ||
1212 | static uint64_t | |
1213 | dpid_from_hash(const void *data, size_t n) | |
1214 | { | |
5eccf359 | 1215 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1216 | |
1217 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1218 | sha1_bytes(data, n, hash); |
064af421 BP |
1219 | eth_addr_mark_random(hash); |
1220 | return eth_addr_to_uint64(hash); | |
1221 | } | |
1222 | ||
ea83a2fc | 1223 | static void |
ea763e0e | 1224 | iface_refresh_status(struct iface *iface) |
ea83a2fc | 1225 | { |
ea763e0e EJ |
1226 | struct shash sh; |
1227 | ||
e210037e AE |
1228 | enum netdev_flags flags; |
1229 | uint32_t current; | |
1230 | int64_t bps; | |
1231 | int mtu; | |
1232 | int64_t mtu_64; | |
1233 | int error; | |
1234 | ||
cfea354b BP |
1235 | if (iface_is_synthetic(iface)) { |
1236 | return; | |
1237 | } | |
1238 | ||
ea763e0e EJ |
1239 | shash_init(&sh); |
1240 | ||
1241 | if (!netdev_get_status(iface->netdev, &sh)) { | |
1242 | size_t n; | |
1243 | char **keys, **values; | |
ea83a2fc | 1244 | |
ea763e0e EJ |
1245 | shash_to_ovs_idl_map(&sh, &keys, &values, &n); |
1246 | ovsrec_interface_set_status(iface->cfg, keys, values, n); | |
1247 | ||
1248 | free(keys); | |
1249 | free(values); | |
1250 | } else { | |
1251 | ovsrec_interface_set_status(iface->cfg, NULL, NULL, 0); | |
1252 | } | |
1253 | ||
1254 | shash_destroy_free_data(&sh); | |
e210037e AE |
1255 | |
1256 | error = netdev_get_flags(iface->netdev, &flags); | |
1257 | if (!error) { | |
1258 | ovsrec_interface_set_admin_state(iface->cfg, flags & NETDEV_UP ? "up" : "down"); | |
1259 | } | |
1260 | else { | |
1261 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
1262 | } | |
1263 | ||
1264 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); | |
1265 | if (!error) { | |
1266 | ovsrec_interface_set_duplex(iface->cfg, | |
1267 | netdev_features_is_full_duplex(current) | |
1268 | ? "full" : "half"); | |
1269 | /* warning: uint64_t -> int64_t conversion */ | |
1270 | bps = netdev_features_to_bps(current); | |
1271 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); | |
1272 | } | |
1273 | else { | |
1274 | ovsrec_interface_set_duplex(iface->cfg, NULL); | |
1275 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1276 | } | |
1277 | ||
e210037e | 1278 | error = netdev_get_mtu(iface->netdev, &mtu); |
9b020780 | 1279 | if (!error) { |
e210037e AE |
1280 | mtu_64 = mtu; |
1281 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
1282 | } | |
1283 | else { | |
1284 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); | |
1285 | } | |
ea83a2fc EJ |
1286 | } |
1287 | ||
0dfd1cb4 | 1288 | /* Writes 'iface''s CFM statistics to the database. */ |
8f3fe844 | 1289 | static void |
b31bcf60 EJ |
1290 | iface_refresh_cfm_stats(struct iface *iface) |
1291 | { | |
93b8df38 | 1292 | const struct ovsrec_interface *cfg = iface->cfg; |
1de11730 EJ |
1293 | int fault, error; |
1294 | const uint64_t *rmps; | |
1295 | size_t n_rmps; | |
b31bcf60 | 1296 | |
21d48660 EJ |
1297 | if (iface_is_synthetic(iface)) { |
1298 | return; | |
1299 | } | |
1300 | ||
a5610457 EJ |
1301 | fault = ofproto_port_get_cfm_fault(iface->port->bridge->ofproto, |
1302 | iface->ofp_port); | |
8f3fe844 | 1303 | if (fault >= 0) { |
a5610457 EJ |
1304 | bool fault_bool = fault; |
1305 | ovsrec_interface_set_cfm_fault(cfg, &fault_bool, 1); | |
0f0d2ae5 EJ |
1306 | } else { |
1307 | ovsrec_interface_set_cfm_fault(cfg, NULL, 0); | |
6586adf5 | 1308 | } |
1de11730 EJ |
1309 | |
1310 | error = ofproto_port_get_cfm_remote_mpids(iface->port->bridge->ofproto, | |
1311 | iface->ofp_port, &rmps, &n_rmps); | |
1312 | if (error >= 0) { | |
1313 | ovsrec_interface_set_cfm_remote_mpids(cfg, (const int64_t *)rmps, | |
1314 | n_rmps); | |
1315 | } else { | |
1316 | ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0); | |
1317 | } | |
b31bcf60 EJ |
1318 | } |
1319 | ||
018f1525 BP |
1320 | static void |
1321 | iface_refresh_stats(struct iface *iface) | |
1322 | { | |
98dbe2dd BP |
1323 | #define IFACE_STATS \ |
1324 | IFACE_STAT(rx_packets, "rx_packets") \ | |
1325 | IFACE_STAT(tx_packets, "tx_packets") \ | |
1326 | IFACE_STAT(rx_bytes, "rx_bytes") \ | |
1327 | IFACE_STAT(tx_bytes, "tx_bytes") \ | |
1328 | IFACE_STAT(rx_dropped, "rx_dropped") \ | |
1329 | IFACE_STAT(tx_dropped, "tx_dropped") \ | |
1330 | IFACE_STAT(rx_errors, "rx_errors") \ | |
1331 | IFACE_STAT(tx_errors, "tx_errors") \ | |
1332 | IFACE_STAT(rx_frame_errors, "rx_frame_err") \ | |
1333 | IFACE_STAT(rx_over_errors, "rx_over_err") \ | |
1334 | IFACE_STAT(rx_crc_errors, "rx_crc_err") \ | |
1335 | IFACE_STAT(collisions, "collisions") | |
1336 | ||
1337 | #define IFACE_STAT(MEMBER, NAME) NAME, | |
1338 | static char *keys[] = { IFACE_STATS }; | |
1339 | #undef IFACE_STAT | |
1340 | int64_t values[ARRAY_SIZE(keys)]; | |
1341 | int i; | |
018f1525 BP |
1342 | |
1343 | struct netdev_stats stats; | |
1344 | ||
cfea354b BP |
1345 | if (iface_is_synthetic(iface)) { |
1346 | return; | |
1347 | } | |
1348 | ||
018f1525 BP |
1349 | /* Intentionally ignore return value, since errors will set 'stats' to |
1350 | * all-1s, and we will deal with that correctly below. */ | |
1351 | netdev_get_stats(iface->netdev, &stats); | |
1352 | ||
98dbe2dd BP |
1353 | /* Copy statistics into values[] array. */ |
1354 | i = 0; | |
1355 | #define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER; | |
1356 | IFACE_STATS; | |
1357 | #undef IFACE_STAT | |
1358 | assert(i == ARRAY_SIZE(keys)); | |
018f1525 | 1359 | |
98dbe2dd BP |
1360 | ovsrec_interface_set_statistics(iface->cfg, keys, values, ARRAY_SIZE(keys)); |
1361 | #undef IFACE_STATS | |
018f1525 BP |
1362 | } |
1363 | ||
3fe80505 BP |
1364 | static bool |
1365 | enable_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1366 | { | |
1367 | const char *enable; | |
1368 | ||
1369 | /* Use other-config:enable-system-stats by preference. */ | |
1370 | enable = get_ovsrec_key_value(&cfg->header_, | |
1371 | &ovsrec_open_vswitch_col_other_config, | |
1372 | "enable-statistics"); | |
1373 | if (enable) { | |
1374 | return !strcmp(enable, "true"); | |
1375 | } | |
1376 | ||
1377 | /* Disable by default. */ | |
1378 | return false; | |
1379 | } | |
1380 | ||
ce887677 BP |
1381 | static void |
1382 | refresh_system_stats(const struct ovsrec_open_vswitch *cfg) | |
1383 | { | |
1384 | struct ovsdb_datum datum; | |
1385 | struct shash stats; | |
1386 | ||
1387 | shash_init(&stats); | |
3fe80505 BP |
1388 | if (enable_system_stats(cfg)) { |
1389 | get_system_stats(&stats); | |
1390 | } | |
ce887677 BP |
1391 | |
1392 | ovsdb_datum_from_shash(&datum, &stats); | |
1393 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
1394 | &datum); | |
1395 | } | |
1396 | ||
bffc0589 AE |
1397 | static inline const char * |
1398 | nx_role_to_str(enum nx_role role) | |
1399 | { | |
1400 | switch (role) { | |
1401 | case NX_ROLE_OTHER: | |
1402 | return "other"; | |
1403 | case NX_ROLE_MASTER: | |
1404 | return "master"; | |
1405 | case NX_ROLE_SLAVE: | |
1406 | return "slave"; | |
1407 | default: | |
1408 | return "*** INVALID ROLE ***"; | |
1409 | } | |
1410 | } | |
1411 | ||
1412 | static void | |
5d279086 | 1413 | refresh_controller_status(void) |
bffc0589 | 1414 | { |
5d279086 | 1415 | struct bridge *br; |
bffc0589 AE |
1416 | struct shash info; |
1417 | const struct ovsrec_controller *cfg; | |
1418 | ||
5d279086 AE |
1419 | shash_init(&info); |
1420 | ||
1421 | /* Accumulate status for controllers on all bridges. */ | |
1422 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
1423 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
1424 | } | |
bffc0589 | 1425 | |
5d279086 | 1426 | /* Update each controller in the database with current status. */ |
bffc0589 | 1427 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { |
eb9b8307 AE |
1428 | struct ofproto_controller_info *cinfo = |
1429 | shash_find_data(&info, cfg->target); | |
1430 | ||
1431 | if (cinfo) { | |
1432 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
1433 | ovsrec_controller_set_role(cfg, nx_role_to_str(cinfo->role)); | |
1434 | ovsrec_controller_set_status(cfg, (char **) cinfo->pairs.keys, | |
1435 | (char **) cinfo->pairs.values, | |
1436 | cinfo->pairs.n); | |
1437 | } else { | |
1438 | ovsrec_controller_set_is_connected(cfg, false); | |
1439 | ovsrec_controller_set_role(cfg, NULL); | |
1440 | ovsrec_controller_set_status(cfg, NULL, NULL, 0); | |
1441 | } | |
bffc0589 AE |
1442 | } |
1443 | ||
1444 | ofproto_free_ofproto_controller_info(&info); | |
1445 | } | |
1446 | ||
8f3fe844 EJ |
1447 | static void |
1448 | refresh_cfm_stats(void) | |
1449 | { | |
1450 | static struct ovsdb_idl_txn *txn = NULL; | |
1451 | ||
1452 | if (!txn) { | |
1453 | struct bridge *br; | |
1454 | ||
1455 | txn = ovsdb_idl_txn_create(idl); | |
1456 | ||
1457 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
1458 | struct iface *iface; | |
1459 | ||
1460 | HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) { | |
1461 | iface_refresh_cfm_stats(iface); | |
1462 | } | |
1463 | } | |
1464 | } | |
1465 | ||
1466 | if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) { | |
1467 | ovsdb_idl_txn_destroy(txn); | |
1468 | txn = NULL; | |
1469 | } | |
1470 | } | |
1471 | ||
c5187f17 | 1472 | void |
064af421 BP |
1473 | bridge_run(void) |
1474 | { | |
d54ff998 BP |
1475 | const struct ovsrec_open_vswitch *cfg; |
1476 | ||
c5187f17 | 1477 | bool datapath_destroyed; |
d54ff998 | 1478 | bool database_changed; |
c5187f17 | 1479 | struct bridge *br; |
064af421 | 1480 | |
06b6d651 BP |
1481 | /* (Re)configure if necessary. */ |
1482 | database_changed = ovsdb_idl_run(idl); | |
1483 | if (ovsdb_idl_is_lock_contended(idl)) { | |
1484 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
1485 | struct bridge *br, *next_br; | |
1486 | ||
1487 | VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, " | |
1488 | "disabling this process until it goes away"); | |
1489 | ||
1490 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { | |
1491 | bridge_destroy(br); | |
1492 | } | |
1493 | return; | |
1494 | } else if (!ovsdb_idl_has_lock(idl)) { | |
1495 | return; | |
1496 | } | |
1497 | cfg = ovsrec_open_vswitch_first(idl); | |
1498 | ||
c5187f17 BP |
1499 | /* Let each bridge do the work that it needs to do. */ |
1500 | datapath_destroyed = false; | |
764072fd | 1501 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa066f01 | 1502 | int error = ofproto_run(br->ofproto); |
064af421 BP |
1503 | if (error) { |
1504 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
1505 | VLOG_ERR_RL(&rl, "bridge %s: datapath was destroyed externally, " | |
1506 | "forcing reconfiguration", br->name); | |
c5187f17 BP |
1507 | datapath_destroyed = true; |
1508 | } | |
1509 | } | |
1510 | ||
d6da96ce BP |
1511 | /* Re-configure SSL. We do this on every trip through the main loop, |
1512 | * instead of just when the database changes, because the contents of the | |
1513 | * key and certificate files can change without the database changing. | |
1514 | * | |
1515 | * We do this before bridge_reconfigure() because that function might | |
1516 | * initiate SSL connections and thus requires SSL to be configured. */ | |
1517 | if (cfg && cfg->ssl) { | |
1518 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
1519 | ||
1520 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
1521 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
1522 | } | |
bf8f2167 | 1523 | |
d54ff998 | 1524 | if (database_changed || datapath_destroyed) { |
c5187f17 BP |
1525 | if (cfg) { |
1526 | struct ovsdb_idl_txn *txn = ovsdb_idl_txn_create(idl); | |
1527 | ||
c5187f17 BP |
1528 | bridge_reconfigure(cfg); |
1529 | ||
1530 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
1531 | ovsdb_idl_txn_commit(txn); | |
1532 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
1e0b752d BP |
1533 | } else { |
1534 | /* We still need to reconfigure to avoid dangling pointers to | |
1535 | * now-destroyed ovsrec structures inside bridge data. */ | |
1536 | static const struct ovsrec_open_vswitch null_cfg; | |
1537 | ||
1538 | bridge_reconfigure(&null_cfg); | |
064af421 BP |
1539 | } |
1540 | } | |
018f1525 | 1541 | |
cd0cd65f BP |
1542 | /* Refresh system and interface stats if necessary. */ |
1543 | if (time_msec() >= stats_timer) { | |
ce887677 BP |
1544 | if (cfg) { |
1545 | struct ovsdb_idl_txn *txn; | |
018f1525 | 1546 | |
ce887677 | 1547 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 1548 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 1549 | struct port *port; |
018f1525 | 1550 | |
8052fb14 | 1551 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 1552 | struct iface *iface; |
018f1525 | 1553 | |
83db7968 | 1554 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 | 1555 | iface_refresh_stats(iface); |
ea763e0e | 1556 | iface_refresh_status(iface); |
ce887677 | 1557 | } |
018f1525 BP |
1558 | } |
1559 | } | |
ce887677 | 1560 | refresh_system_stats(cfg); |
5d279086 | 1561 | refresh_controller_status(); |
ce887677 BP |
1562 | ovsdb_idl_txn_commit(txn); |
1563 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 1564 | } |
018f1525 | 1565 | |
cd0cd65f | 1566 | stats_timer = time_msec() + STATS_INTERVAL; |
018f1525 | 1567 | } |
6586adf5 | 1568 | |
815cd583 | 1569 | if (time_msec() >= db_limiter) { |
6586adf5 | 1570 | struct ovsdb_idl_txn *txn; |
6586adf5 EJ |
1571 | |
1572 | txn = ovsdb_idl_txn_create(idl); | |
764072fd | 1573 | HMAP_FOR_EACH (br, node, &all_bridges) { |
15236eb4 EJ |
1574 | struct iface *iface; |
1575 | ||
1576 | HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) { | |
70aa337d | 1577 | const char *link_state; |
65c3058c | 1578 | int64_t link_resets; |
15236eb4 | 1579 | int current; |
6586adf5 | 1580 | |
15236eb4 EJ |
1581 | if (iface_is_synthetic(iface)) { |
1582 | continue; | |
1583 | } | |
6586adf5 | 1584 | |
15236eb4 EJ |
1585 | current = ofproto_port_is_lacp_current(br->ofproto, |
1586 | iface->ofp_port); | |
1587 | if (current >= 0) { | |
1588 | bool bl = current; | |
1589 | ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1); | |
1590 | } else { | |
1591 | ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0); | |
6586adf5 | 1592 | } |
70aa337d EJ |
1593 | |
1594 | link_state = netdev_get_carrier(iface->netdev) ? "up" : "down"; | |
1595 | ovsrec_interface_set_link_state(iface->cfg, link_state); | |
65c3058c EJ |
1596 | |
1597 | link_resets = netdev_get_carrier_resets(iface->netdev); | |
1598 | ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1); | |
6586adf5 EJ |
1599 | } |
1600 | } | |
1601 | ||
15236eb4 | 1602 | if (ovsdb_idl_txn_commit(txn) != TXN_UNCHANGED) { |
815cd583 | 1603 | db_limiter = time_msec() + DB_LIMIT_INTERVAL; |
6586adf5 | 1604 | } |
6586adf5 EJ |
1605 | ovsdb_idl_txn_destroy(txn); |
1606 | } | |
8f3fe844 EJ |
1607 | |
1608 | refresh_cfm_stats(); | |
064af421 BP |
1609 | } |
1610 | ||
1611 | void | |
1612 | bridge_wait(void) | |
1613 | { | |
c5187f17 | 1614 | ovsdb_idl_wait(idl); |
06b6d651 BP |
1615 | if (!hmap_is_empty(&all_bridges)) { |
1616 | struct bridge *br; | |
6586adf5 | 1617 | |
06b6d651 BP |
1618 | HMAP_FOR_EACH (br, node, &all_bridges) { |
1619 | ofproto_wait(br->ofproto); | |
1620 | } | |
1621 | poll_timer_wait_until(stats_timer); | |
1622 | ||
1623 | if (db_limiter > time_msec()) { | |
1624 | poll_timer_wait_until(db_limiter); | |
1625 | } | |
6586adf5 | 1626 | } |
064af421 | 1627 | } |
8c4c1387 | 1628 | \f |
e8fe3026 EJ |
1629 | /* QoS unixctl user interface functions. */ |
1630 | ||
1631 | struct qos_unixctl_show_cbdata { | |
1632 | struct ds *ds; | |
1633 | struct iface *iface; | |
1634 | }; | |
1635 | ||
1636 | static void | |
1637 | qos_unixctl_show_cb(unsigned int queue_id, | |
1638 | const struct shash *details, | |
1639 | void *aux) | |
1640 | { | |
1641 | struct qos_unixctl_show_cbdata *data = aux; | |
1642 | struct ds *ds = data->ds; | |
1643 | struct iface *iface = data->iface; | |
1644 | struct netdev_queue_stats stats; | |
1645 | struct shash_node *node; | |
1646 | int error; | |
1647 | ||
1648 | ds_put_cstr(ds, "\n"); | |
1649 | if (queue_id) { | |
1650 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
1651 | } else { | |
1652 | ds_put_cstr(ds, "Default:\n"); | |
1653 | } | |
1654 | ||
1655 | SHASH_FOR_EACH (node, details) { | |
1656 | ds_put_format(ds, "\t%s: %s\n", node->name, (char *)node->data); | |
1657 | } | |
1658 | ||
1659 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
1660 | if (!error) { | |
1661 | if (stats.tx_packets != UINT64_MAX) { | |
1662 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
1663 | } | |
1664 | ||
1665 | if (stats.tx_bytes != UINT64_MAX) { | |
1666 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
1667 | } | |
1668 | ||
1669 | if (stats.tx_errors != UINT64_MAX) { | |
1670 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
1671 | } | |
1672 | } else { | |
1673 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
1674 | queue_id, strerror(error)); | |
1675 | } | |
1676 | } | |
1677 | ||
1678 | static void | |
1679 | qos_unixctl_show(struct unixctl_conn *conn, | |
1680 | const char *args, void *aux OVS_UNUSED) | |
1681 | { | |
1682 | struct ds ds = DS_EMPTY_INITIALIZER; | |
1683 | struct shash sh = SHASH_INITIALIZER(&sh); | |
1684 | struct iface *iface; | |
1685 | const char *type; | |
1686 | struct shash_node *node; | |
1687 | struct qos_unixctl_show_cbdata data; | |
1688 | int error; | |
1689 | ||
1690 | iface = iface_find(args); | |
1691 | if (!iface) { | |
1692 | unixctl_command_reply(conn, 501, "no such interface"); | |
1693 | return; | |
1694 | } | |
1695 | ||
1696 | netdev_get_qos(iface->netdev, &type, &sh); | |
1697 | ||
1698 | if (*type != '\0') { | |
1699 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); | |
1700 | ||
1701 | SHASH_FOR_EACH (node, &sh) { | |
1702 | ds_put_format(&ds, "%s: %s\n", node->name, (char *)node->data); | |
1703 | } | |
1704 | ||
1705 | data.ds = &ds; | |
1706 | data.iface = iface; | |
1707 | error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data); | |
1708 | ||
1709 | if (error) { | |
1710 | ds_put_format(&ds, "failed to dump queues: %s", strerror(error)); | |
1711 | } | |
1712 | unixctl_command_reply(conn, 200, ds_cstr(&ds)); | |
1713 | } else { | |
1714 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
1715 | unixctl_command_reply(conn, 501, ds_cstr(&ds)); | |
1716 | } | |
1717 | ||
1718 | shash_destroy_free_data(&sh); | |
1719 | ds_destroy(&ds); | |
1720 | } | |
1721 | \f | |
064af421 | 1722 | /* Bridge reconfiguration functions. */ |
66da9bef | 1723 | static void |
1a6f1e2a | 1724 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
1725 | { |
1726 | struct bridge *br; | |
064af421 | 1727 | |
1a6f1e2a | 1728 | assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 1729 | br = xzalloc(sizeof *br); |
064af421 | 1730 | |
1a6f1e2a | 1731 | br->name = xstrdup(br_cfg->name); |
f79e673f | 1732 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 1733 | br->cfg = br_cfg; |
e3f55cb8 BP |
1734 | |
1735 | /* Derive the default Ethernet address from the bridge's UUID. This should | |
1736 | * be unique and it will be stable between ovs-vswitchd runs. */ | |
1737 | memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN); | |
1738 | eth_addr_mark_random(br->default_ea); | |
064af421 | 1739 | |
8052fb14 | 1740 | hmap_init(&br->ports); |
d9a8717a | 1741 | hmap_init(&br->ifaces); |
ebea37cc | 1742 | hmap_init(&br->iface_by_name); |
fa066f01 | 1743 | hmap_init(&br->mirrors); |
4a1ee6ae | 1744 | |
764072fd | 1745 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
1746 | } |
1747 | ||
1748 | static void | |
1749 | bridge_destroy(struct bridge *br) | |
1750 | { | |
1751 | if (br) { | |
fa066f01 BP |
1752 | struct mirror *mirror, *next_mirror; |
1753 | struct port *port, *next_port; | |
064af421 | 1754 | |
fa066f01 | 1755 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 1756 | port_destroy(port); |
064af421 | 1757 | } |
fa066f01 BP |
1758 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
1759 | mirror_destroy(mirror); | |
f76e2dfc | 1760 | } |
764072fd | 1761 | hmap_remove(&all_bridges, &br->node); |
6d6ab93e | 1762 | ofproto_destroy(br->ofproto); |
d9a8717a | 1763 | hmap_destroy(&br->ifaces); |
8052fb14 | 1764 | hmap_destroy(&br->ports); |
ebea37cc | 1765 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 1766 | hmap_destroy(&br->mirrors); |
064af421 | 1767 | free(br->name); |
66da9bef | 1768 | free(br->type); |
064af421 BP |
1769 | free(br); |
1770 | } | |
1771 | } | |
1772 | ||
1773 | static struct bridge * | |
1774 | bridge_lookup(const char *name) | |
1775 | { | |
1776 | struct bridge *br; | |
1777 | ||
764072fd | 1778 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
1779 | if (!strcmp(br->name, name)) { |
1780 | return br; | |
1781 | } | |
1782 | } | |
1783 | return NULL; | |
1784 | } | |
1785 | ||
4f2cad2c JP |
1786 | /* Handle requests for a listing of all flows known by the OpenFlow |
1787 | * stack, including those normally hidden. */ | |
1788 | static void | |
8ca79daa | 1789 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, |
c69ee87c | 1790 | const char *args, void *aux OVS_UNUSED) |
4f2cad2c JP |
1791 | { |
1792 | struct bridge *br; | |
1793 | struct ds results; | |
d295e8e9 | 1794 | |
4f2cad2c JP |
1795 | br = bridge_lookup(args); |
1796 | if (!br) { | |
1797 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1798 | return; | |
1799 | } | |
1800 | ||
1801 | ds_init(&results); | |
1802 | ofproto_get_all_flows(br->ofproto, &results); | |
1803 | ||
1804 | unixctl_command_reply(conn, 200, ds_cstr(&results)); | |
1805 | ds_destroy(&results); | |
1806 | } | |
1807 | ||
fa05809b BP |
1808 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
1809 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
1810 | * drop their controller connections and reconnect. */ | |
1811 | static void | |
1812 | bridge_unixctl_reconnect(struct unixctl_conn *conn, | |
1813 | const char *args, void *aux OVS_UNUSED) | |
1814 | { | |
1815 | struct bridge *br; | |
1816 | if (args[0] != '\0') { | |
1817 | br = bridge_lookup(args); | |
1818 | if (!br) { | |
1819 | unixctl_command_reply(conn, 501, "Unknown bridge"); | |
1820 | return; | |
1821 | } | |
1822 | ofproto_reconnect_controllers(br->ofproto); | |
1823 | } else { | |
764072fd | 1824 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
1825 | ofproto_reconnect_controllers(br->ofproto); |
1826 | } | |
1827 | } | |
1828 | unixctl_command_reply(conn, 200, NULL); | |
1829 | } | |
1830 | ||
76ce9432 | 1831 | static size_t |
1a048029 | 1832 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 1833 | struct ovsrec_controller ***controllersp) |
064af421 | 1834 | { |
76ce9432 BP |
1835 | struct ovsrec_controller **controllers; |
1836 | size_t n_controllers; | |
064af421 | 1837 | |
1a048029 JP |
1838 | controllers = br->cfg->controller; |
1839 | n_controllers = br->cfg->n_controller; | |
76343538 | 1840 | |
76ce9432 BP |
1841 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
1842 | controllers = NULL; | |
1843 | n_controllers = 0; | |
064af421 | 1844 | } |
76343538 | 1845 | |
76ce9432 BP |
1846 | if (controllersp) { |
1847 | *controllersp = controllers; | |
1848 | } | |
1849 | return n_controllers; | |
064af421 BP |
1850 | } |
1851 | ||
66da9bef BP |
1852 | /* Adds and deletes "struct port"s and "struct iface"s under 'br' to match |
1853 | * those configured in 'br->cfg'. */ | |
064af421 | 1854 | static void |
66da9bef | 1855 | bridge_add_del_ports(struct bridge *br) |
064af421 | 1856 | { |
8052fb14 | 1857 | struct port *port, *next; |
76343538 | 1858 | struct shash_node *node; |
8052fb14 | 1859 | struct shash new_ports; |
6ae39834 | 1860 | size_t i; |
064af421 | 1861 | |
064af421 | 1862 | /* Collect new ports. */ |
76343538 BP |
1863 | shash_init(&new_ports); |
1864 | for (i = 0; i < br->cfg->n_ports; i++) { | |
1865 | const char *name = br->cfg->ports[i]->name; | |
1866 | if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) { | |
1867 | VLOG_WARN("bridge %s: %s specified twice as bridge port", | |
1868 | br->name, name); | |
1869 | } | |
1870 | } | |
b5827b24 BP |
1871 | if (bridge_get_controllers(br, NULL) |
1872 | && !shash_find(&new_ports, br->name)) { | |
cfea354b BP |
1873 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
1874 | br->name, br->name); | |
72865317 | 1875 | |
cfea354b BP |
1876 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
1877 | br->synth_local_port.n_interfaces = 1; | |
1878 | br->synth_local_port.name = br->name; | |
1879 | ||
1880 | br->synth_local_iface.name = br->name; | |
66da9bef | 1881 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
1882 | |
1883 | br->synth_local_ifacep = &br->synth_local_iface; | |
1884 | ||
1885 | shash_add(&new_ports, br->name, &br->synth_local_port); | |
064af421 | 1886 | } |
064af421 | 1887 | |
4a1ee6ae | 1888 | /* Get rid of deleted ports. |
66da9bef BP |
1889 | * Get rid of deleted interfaces on ports that still exist. |
1890 | * Update 'cfg' of ports that still exist. */ | |
8052fb14 | 1891 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
66da9bef BP |
1892 | port->cfg = shash_find_data(&new_ports, port->name); |
1893 | if (!port->cfg) { | |
4a1ee6ae BP |
1894 | port_destroy(port); |
1895 | } else { | |
66da9bef | 1896 | port_del_ifaces(port); |
064af421 BP |
1897 | } |
1898 | } | |
4a1ee6ae BP |
1899 | |
1900 | /* Create new ports. | |
66da9bef | 1901 | * Add new interfaces to existing ports. */ |
76343538 | 1902 | SHASH_FOR_EACH (node, &new_ports) { |
8052fb14 | 1903 | struct port *port = port_lookup(br, node->name); |
76343538 | 1904 | if (!port) { |
66da9bef BP |
1905 | struct ovsrec_port *cfg = node->data; |
1906 | port = port_create(br, cfg); | |
064af421 | 1907 | } |
66da9bef | 1908 | port_add_ifaces(port); |
402f2858 | 1909 | if (list_is_empty(&port->ifaces)) { |
ceb4559f JG |
1910 | VLOG_WARN("bridge %s: port %s has no interfaces, dropping", |
1911 | br->name, port->name); | |
1912 | port_destroy(port); | |
1913 | } | |
064af421 | 1914 | } |
76343538 | 1915 | shash_destroy(&new_ports); |
064af421 BP |
1916 | } |
1917 | ||
7d674866 BP |
1918 | /* Initializes 'oc' appropriately as a management service controller for |
1919 | * 'br'. | |
1920 | * | |
1921 | * The caller must free oc->target when it is no longer needed. */ | |
1922 | static void | |
1923 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
1924 | struct ofproto_controller *oc) | |
1925 | { | |
b43c6fe2 | 1926 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
1927 | oc->max_backoff = 0; |
1928 | oc->probe_interval = 60; | |
1929 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
1930 | oc->rate_limit = 0; |
1931 | oc->burst_limit = 0; | |
1932 | } | |
1933 | ||
1934 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
1935 | static void | |
1936 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
1937 | struct ofproto_controller *oc) | |
1938 | { | |
1939 | oc->target = c->target; | |
1940 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
1941 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
1942 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
1943 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
1944 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
1945 | oc->burst_limit = (c->controller_burst_limit | |
1946 | ? *c->controller_burst_limit : 0); | |
1947 | } | |
1948 | ||
1949 | /* Configures the IP stack for 'br''s local interface properly according to the | |
1950 | * configuration in 'c'. */ | |
1951 | static void | |
1952 | bridge_configure_local_iface_netdev(struct bridge *br, | |
1953 | struct ovsrec_controller *c) | |
1954 | { | |
1955 | struct netdev *netdev; | |
1956 | struct in_addr mask, gateway; | |
1957 | ||
1958 | struct iface *local_iface; | |
1959 | struct in_addr ip; | |
1960 | ||
7d674866 | 1961 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 1962 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
7d674866 BP |
1963 | if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) { |
1964 | return; | |
1965 | } | |
1966 | ||
1967 | /* Bring up the local interface. */ | |
1968 | netdev = local_iface->netdev; | |
1969 | netdev_turn_flags_on(netdev, NETDEV_UP, true); | |
1970 | ||
1971 | /* Configure the IP address and netmask. */ | |
1972 | if (!c->local_netmask | |
1973 | || !inet_aton(c->local_netmask, &mask) | |
1974 | || !mask.s_addr) { | |
1975 | mask.s_addr = guess_netmask(ip.s_addr); | |
1976 | } | |
1977 | if (!netdev_set_in4(netdev, ip, mask)) { | |
1978 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
1979 | br->name, IP_ARGS(&ip.s_addr), IP_ARGS(&mask.s_addr)); | |
1980 | } | |
1981 | ||
1982 | /* Configure the default gateway. */ | |
1983 | if (c->local_gateway | |
1984 | && inet_aton(c->local_gateway, &gateway) | |
1985 | && gateway.s_addr) { | |
1986 | if (!netdev_add_router(netdev, gateway)) { | |
1987 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
1988 | br->name, IP_ARGS(&gateway.s_addr)); | |
1989 | } | |
1990 | } | |
1991 | } | |
1992 | ||
064af421 | 1993 | static void |
fa066f01 BP |
1994 | bridge_configure_remotes(struct bridge *br, |
1995 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 1996 | { |
b1da6250 BP |
1997 | const char *disable_ib_str, *queue_id_str; |
1998 | bool disable_in_band = false; | |
1999 | int queue_id; | |
2000 | ||
76ce9432 BP |
2001 | struct ovsrec_controller **controllers; |
2002 | size_t n_controllers; | |
7d674866 | 2003 | |
66da9bef | 2004 | enum ofproto_fail_mode fail_mode; |
7d674866 BP |
2005 | |
2006 | struct ofproto_controller *ocs; | |
2007 | size_t n_ocs; | |
2008 | size_t i; | |
064af421 | 2009 | |
8731b2b6 JP |
2010 | /* Check if we should disable in-band control on this bridge. */ |
2011 | disable_ib_str = bridge_get_other_config(br->cfg, "disable-in-band"); | |
2012 | if (disable_ib_str && !strcmp(disable_ib_str, "true")) { | |
2013 | disable_in_band = true; | |
2014 | } | |
2015 | ||
b1da6250 BP |
2016 | /* Set OpenFlow queue ID for in-band control. */ |
2017 | queue_id_str = bridge_get_other_config(br->cfg, "in-band-queue"); | |
2018 | queue_id = queue_id_str ? strtol(queue_id_str, NULL, 10) : -1; | |
2019 | ofproto_set_in_band_queue(br->ofproto, queue_id); | |
2020 | ||
8731b2b6 JP |
2021 | if (disable_in_band) { |
2022 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
2023 | } else { | |
2024 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
2025 | } | |
cd11000b | 2026 | |
1a048029 | 2027 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 2028 | |
7d674866 BP |
2029 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
2030 | n_ocs = 0; | |
064af421 | 2031 | |
7d674866 BP |
2032 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
2033 | for (i = 0; i < n_controllers; i++) { | |
2034 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 2035 | |
7d674866 BP |
2036 | if (!strncmp(c->target, "punix:", 6) |
2037 | || !strncmp(c->target, "unix:", 5)) { | |
2038 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
4d6fb5eb | 2039 | |
7d674866 BP |
2040 | /* Prevent remote ovsdb-server users from accessing arbitrary Unix |
2041 | * domain sockets and overwriting arbitrary local files. */ | |
be6255a8 BP |
2042 | VLOG_ERR_RL(&rl, "bridge %s: not adding Unix domain socket " |
2043 | "controller \"%s\" due to possibility for remote " | |
2044 | "exploit", br->name, c->target); | |
7d674866 | 2045 | continue; |
4d6fb5eb EJ |
2046 | } |
2047 | ||
7d674866 | 2048 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
2049 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
2050 | if (disable_in_band) { | |
2051 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
f620b43a | 2052 | } |
8731b2b6 | 2053 | n_ocs++; |
be02e7c3 | 2054 | } |
be02e7c3 | 2055 | |
7d674866 BP |
2056 | ofproto_set_controllers(br->ofproto, ocs, n_ocs); |
2057 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ | |
2058 | free(ocs); | |
66da9bef BP |
2059 | |
2060 | /* Set the fail-mode. */ | |
2061 | fail_mode = !br->cfg->fail_mode | |
2062 | || !strcmp(br->cfg->fail_mode, "standalone") | |
2063 | ? OFPROTO_FAIL_STANDALONE | |
2064 | : OFPROTO_FAIL_SECURE; | |
2065 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
2066 | ||
2067 | /* Configure OpenFlow controller connection snooping. */ | |
2068 | if (!ofproto_has_snoops(br->ofproto)) { | |
2069 | struct sset snoops; | |
5827ce14 | 2070 | |
66da9bef BP |
2071 | sset_init(&snoops); |
2072 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
2073 | ovs_rundir(), br->name)); | |
2074 | ofproto_set_snoops(br->ofproto, &snoops); | |
2075 | sset_destroy(&snoops); | |
064af421 BP |
2076 | } |
2077 | } | |
064af421 | 2078 | \f |
fa066f01 | 2079 | /* Port functions. */ |
064af421 | 2080 | |
f620b43a | 2081 | static struct port * |
fa066f01 | 2082 | port_create(struct bridge *br, const struct ovsrec_port *cfg) |
064af421 | 2083 | { |
f620b43a BP |
2084 | struct port *port; |
2085 | ||
2086 | port = xzalloc(sizeof *port); | |
2087 | port->bridge = br; | |
fa066f01 BP |
2088 | port->name = xstrdup(cfg->name); |
2089 | port->cfg = cfg; | |
f620b43a BP |
2090 | list_init(&port->ifaces); |
2091 | ||
2092 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); | |
2093 | ||
2094 | VLOG_INFO("created port %s on bridge %s", port->name, br->name); | |
f620b43a BP |
2095 | |
2096 | return port; | |
064af421 BP |
2097 | } |
2098 | ||
f620b43a BP |
2099 | static const char * |
2100 | get_port_other_config(const struct ovsrec_port *port, const char *key, | |
2101 | const char *default_value) | |
064af421 | 2102 | { |
f620b43a BP |
2103 | const char *value; |
2104 | ||
2105 | value = get_ovsrec_key_value(&port->header_, &ovsrec_port_col_other_config, | |
2106 | key); | |
2107 | return value ? value : default_value; | |
064af421 BP |
2108 | } |
2109 | ||
f620b43a BP |
2110 | static const char * |
2111 | get_interface_other_config(const struct ovsrec_interface *iface, | |
2112 | const char *key, const char *default_value) | |
064af421 | 2113 | { |
f620b43a BP |
2114 | const char *value; |
2115 | ||
2116 | value = get_ovsrec_key_value(&iface->header_, | |
2117 | &ovsrec_interface_col_other_config, key); | |
2118 | return value ? value : default_value; | |
064af421 BP |
2119 | } |
2120 | ||
fa066f01 | 2121 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
064af421 | 2122 | static void |
fa066f01 | 2123 | port_del_ifaces(struct port *port) |
064af421 | 2124 | { |
f620b43a BP |
2125 | struct iface *iface, *next; |
2126 | struct sset new_ifaces; | |
2127 | size_t i; | |
064af421 | 2128 | |
f620b43a BP |
2129 | /* Collect list of new interfaces. */ |
2130 | sset_init(&new_ifaces); | |
fa066f01 BP |
2131 | for (i = 0; i < port->cfg->n_interfaces; i++) { |
2132 | const char *name = port->cfg->interfaces[i]->name; | |
00794817 BP |
2133 | const char *type = port->cfg->interfaces[i]->name; |
2134 | if (strcmp(type, "null")) { | |
2135 | sset_add(&new_ifaces, name); | |
2136 | } | |
f620b43a | 2137 | } |
064af421 | 2138 | |
f620b43a BP |
2139 | /* Get rid of deleted interfaces. */ |
2140 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
2141 | if (!sset_contains(&new_ifaces, iface->name)) { | |
2142 | iface_destroy(iface); | |
064af421 | 2143 | } |
064af421 | 2144 | } |
f620b43a BP |
2145 | |
2146 | sset_destroy(&new_ifaces); | |
064af421 BP |
2147 | } |
2148 | ||
fa066f01 BP |
2149 | /* Adds new interfaces to 'port' and updates 'type' and 'cfg' members of |
2150 | * existing ones. */ | |
064af421 | 2151 | static void |
fa066f01 | 2152 | port_add_ifaces(struct port *port) |
064af421 | 2153 | { |
fa066f01 BP |
2154 | struct shash new_ifaces; |
2155 | struct shash_node *node; | |
2156 | size_t i; | |
064af421 | 2157 | |
fa066f01 BP |
2158 | /* Collect new ifaces. */ |
2159 | shash_init(&new_ifaces); | |
2160 | for (i = 0; i < port->cfg->n_interfaces; i++) { | |
2161 | const struct ovsrec_interface *cfg = port->cfg->interfaces[i]; | |
00794817 BP |
2162 | if (strcmp(cfg->type, "null") |
2163 | && !shash_add_once(&new_ifaces, cfg->name, cfg)) { | |
fa066f01 BP |
2164 | VLOG_WARN("port %s: %s specified twice as port interface", |
2165 | port->name, cfg->name); | |
3fc5a86a | 2166 | iface_clear_db_record(cfg); |
f620b43a | 2167 | } |
064af421 | 2168 | } |
be02e7c3 | 2169 | |
fa066f01 BP |
2170 | /* Create new interfaces. |
2171 | * Update interface types and 'cfg' members. */ | |
2172 | SHASH_FOR_EACH (node, &new_ifaces) { | |
2173 | const struct ovsrec_interface *cfg = node->data; | |
2174 | const char *iface_name = node->name; | |
76343538 BP |
2175 | struct iface *iface; |
2176 | ||
fa066f01 BP |
2177 | iface = iface_lookup(port->bridge, iface_name); |
2178 | if (!iface) { | |
2179 | iface = iface_create(port, cfg); | |
2180 | } else { | |
2181 | iface->cfg = cfg; | |
4a1ee6ae BP |
2182 | } |
2183 | ||
84b32864 EJ |
2184 | /* Determine interface type. The local port always has type |
2185 | * "internal". Other ports take their type from the database and | |
2186 | * default to "system" if none is specified. */ | |
fa066f01 BP |
2187 | iface->type = (!strcmp(iface_name, port->bridge->name) ? "internal" |
2188 | : cfg->type[0] ? cfg->type | |
2189 | : "system"); | |
d5346278 | 2190 | } |
fa066f01 | 2191 | shash_destroy(&new_ifaces); |
064af421 BP |
2192 | } |
2193 | ||
2194 | static void | |
2195 | port_destroy(struct port *port) | |
2196 | { | |
2197 | if (port) { | |
2198 | struct bridge *br = port->bridge; | |
83db7968 | 2199 | struct iface *iface, *next; |
064af421 | 2200 | |
fa066f01 BP |
2201 | if (br->ofproto) { |
2202 | ofproto_bundle_unregister(br->ofproto, port); | |
064af421 BP |
2203 | } |
2204 | ||
83db7968 BP |
2205 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2206 | iface_destroy(iface); | |
064af421 BP |
2207 | } |
2208 | ||
8052fb14 | 2209 | hmap_remove(&br->ports, &port->hmap_node); |
064af421 | 2210 | |
99707a7a JP |
2211 | VLOG_INFO("destroyed port %s on bridge %s", port->name, br->name); |
2212 | ||
064af421 BP |
2213 | free(port->name); |
2214 | free(port); | |
064af421 BP |
2215 | } |
2216 | } | |
2217 | ||
064af421 BP |
2218 | static struct port * |
2219 | port_lookup(const struct bridge *br, const char *name) | |
2220 | { | |
8052fb14 BP |
2221 | struct port *port; |
2222 | ||
2223 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
2224 | &br->ports) { | |
2225 | if (!strcmp(port->name, name)) { | |
2226 | return port; | |
2227 | } | |
2228 | } | |
2229 | return NULL; | |
064af421 BP |
2230 | } |
2231 | ||
7a673515 BP |
2232 | static bool |
2233 | enable_lacp(struct port *port, bool *activep) | |
2234 | { | |
2235 | if (!port->cfg->lacp) { | |
2236 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
2237 | * default and make active on bonded ports. */ | |
2238 | return false; | |
2239 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
2240 | return false; | |
2241 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
2242 | *activep = true; | |
2243 | return true; | |
2244 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
2245 | *activep = false; | |
2246 | return true; | |
2247 | } else { | |
2248 | VLOG_WARN("port %s: unknown LACP mode %s", | |
2249 | port->name, port->cfg->lacp); | |
2250 | return false; | |
2251 | } | |
2252 | } | |
2253 | ||
fa066f01 BP |
2254 | static struct lacp_settings * |
2255 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 2256 | { |
cdcf42c6 EJ |
2257 | const char *lacp_time; |
2258 | long long int custom_time; | |
b5a25389 | 2259 | int priority; |
5827ce14 | 2260 | |
fa066f01 BP |
2261 | if (!enable_lacp(port, &s->active)) { |
2262 | return NULL; | |
abd4a95d EJ |
2263 | } |
2264 | ||
fa066f01 BP |
2265 | s->name = port->name; |
2266 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); | |
b5a25389 BP |
2267 | |
2268 | /* Prefer bondable links if unspecified. */ | |
2269 | priority = atoi(get_port_other_config(port->cfg, "lacp-system-priority", | |
2270 | "0")); | |
fa066f01 BP |
2271 | s->priority = (priority > 0 && priority <= UINT16_MAX |
2272 | ? priority | |
2273 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 2274 | |
00794817 BP |
2275 | s->heartbeat = !strcmp(get_port_other_config(port->cfg, |
2276 | "lacp-heartbeat", | |
2277 | "false"), "true"); | |
b5a25389 | 2278 | |
da2f7b8f | 2279 | |
cdcf42c6 EJ |
2280 | lacp_time = get_port_other_config(port->cfg, "lacp-time", "slow"); |
2281 | custom_time = atoi(lacp_time); | |
2282 | if (!strcmp(lacp_time, "fast")) { | |
fa066f01 | 2283 | s->lacp_time = LACP_TIME_FAST; |
cdcf42c6 | 2284 | } else if (!strcmp(lacp_time, "slow")) { |
fa066f01 | 2285 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 | 2286 | } else if (custom_time > 0) { |
fa066f01 BP |
2287 | s->lacp_time = LACP_TIME_CUSTOM; |
2288 | s->custom_time = custom_time; | |
cdcf42c6 | 2289 | } else { |
fa066f01 | 2290 | s->lacp_time = LACP_TIME_SLOW; |
cdcf42c6 EJ |
2291 | } |
2292 | ||
fa066f01 BP |
2293 | return s; |
2294 | } | |
5827ce14 | 2295 | |
fa066f01 BP |
2296 | static void |
2297 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
2298 | { | |
00794817 | 2299 | int priority, portid, key; |
5827ce14 | 2300 | |
fa066f01 BP |
2301 | portid = atoi(get_interface_other_config(iface->cfg, "lacp-port-id", "0")); |
2302 | priority = atoi(get_interface_other_config(iface->cfg, | |
2303 | "lacp-port-priority", "0")); | |
00794817 BP |
2304 | key = atoi(get_interface_other_config(iface->cfg, "lacp-aggregation-key", |
2305 | "0")); | |
fa066f01 BP |
2306 | |
2307 | if (portid <= 0 || portid > UINT16_MAX) { | |
892815f5 | 2308 | portid = iface->ofp_port; |
5827ce14 EJ |
2309 | } |
2310 | ||
fa066f01 BP |
2311 | if (priority <= 0 || priority > UINT16_MAX) { |
2312 | priority = UINT16_MAX; | |
2313 | } | |
5827ce14 | 2314 | |
00794817 BP |
2315 | if (key < 0 || key > UINT16_MAX) { |
2316 | key = 0; | |
5827ce14 | 2317 | } |
00794817 | 2318 | |
fa066f01 | 2319 | s->name = iface->name; |
fa066f01 BP |
2320 | s->id = portid; |
2321 | s->priority = priority; | |
00794817 | 2322 | s->key = key; |
bb5bc6c0 BP |
2323 | } |
2324 | ||
c25c91fd | 2325 | static void |
76ed83fc BP |
2326 | port_configure_bond(struct port *port, struct bond_settings *s, |
2327 | uint32_t *bond_stable_ids) | |
c25c91fd | 2328 | { |
f620b43a | 2329 | const char *detect_s; |
7a673515 | 2330 | struct iface *iface; |
1670c579 | 2331 | int miimon_interval; |
76ed83fc | 2332 | size_t i; |
c25c91fd | 2333 | |
fa066f01 BP |
2334 | s->name = port->name; |
2335 | s->balance = BM_SLB; | |
f620b43a | 2336 | if (port->cfg->bond_mode |
fa066f01 | 2337 | && !bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { |
f620b43a BP |
2338 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", |
2339 | port->name, port->cfg->bond_mode, | |
fa066f01 | 2340 | bond_mode_to_string(s->balance)); |
f620b43a | 2341 | } |
6c2d2a9f BP |
2342 | if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) { |
2343 | VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, " | |
2344 | "please use another bond type or disable flood_vlans", | |
2345 | port->name); | |
2346 | } | |
bb5bc6c0 | 2347 | |
1670c579 EJ |
2348 | miimon_interval = atoi(get_port_other_config(port->cfg, |
2349 | "bond-miimon-interval", "0")); | |
2350 | if (miimon_interval <= 0) { | |
2351 | miimon_interval = 200; | |
f620b43a BP |
2352 | } |
2353 | ||
1670c579 EJ |
2354 | detect_s = get_port_other_config(port->cfg, "bond-detect-mode", "carrier"); |
2355 | if (!strcmp(detect_s, "carrier")) { | |
2356 | miimon_interval = 0; | |
2357 | } else if (strcmp(detect_s, "miimon")) { | |
2358 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
2359 | "defaulting to carrier", port->name, detect_s); | |
2360 | miimon_interval = 0; | |
f620b43a BP |
2361 | } |
2362 | ||
fa066f01 BP |
2363 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
2364 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
00794817 | 2365 | s->basis = atoi(get_port_other_config(port->cfg, "bond-hash-basis", "0")); |
fa066f01 | 2366 | s->rebalance_interval = atoi( |
f620b43a | 2367 | get_port_other_config(port->cfg, "bond-rebalance-interval", "10000")); |
fa066f01 BP |
2368 | if (s->rebalance_interval < 1000) { |
2369 | s->rebalance_interval = 1000; | |
f620b43a BP |
2370 | } |
2371 | ||
fa066f01 | 2372 | s->fake_iface = port->cfg->bond_fake_iface; |
7a673515 | 2373 | |
76ed83fc | 2374 | i = 0; |
7a673515 | 2375 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
632e2b95 EJ |
2376 | long long stable_id; |
2377 | ||
2378 | stable_id = atoll(get_interface_other_config(iface->cfg, | |
2379 | "bond-stable-id", "0")); | |
632e2b95 | 2380 | if (stable_id <= 0 || stable_id >= UINT32_MAX) { |
76ed83fc | 2381 | stable_id = iface->ofp_port; |
632e2b95 | 2382 | } |
76ed83fc | 2383 | bond_stable_ids[i++] = stable_id; |
1670c579 EJ |
2384 | |
2385 | netdev_set_miimon_interval(iface->netdev, miimon_interval); | |
064af421 BP |
2386 | } |
2387 | } | |
064af421 BP |
2388 | \f |
2389 | /* Interface functions. */ | |
2390 | ||
76343538 | 2391 | static struct iface * |
a740f0de | 2392 | iface_create(struct port *port, const struct ovsrec_interface *if_cfg) |
064af421 | 2393 | { |
4a1ee6ae | 2394 | struct bridge *br = port->bridge; |
064af421 | 2395 | struct iface *iface; |
a740f0de | 2396 | char *name = if_cfg->name; |
064af421 | 2397 | |
ec6fde61 | 2398 | iface = xzalloc(sizeof *iface); |
064af421 | 2399 | iface->port = port; |
064af421 | 2400 | iface->name = xstrdup(name); |
892815f5 | 2401 | iface->ofp_port = -1; |
064af421 | 2402 | iface->tag = tag_create_random(); |
0c6aea3f | 2403 | iface->netdev = NULL; |
149f577a | 2404 | iface->cfg = if_cfg; |
064af421 | 2405 | |
ebea37cc | 2406 | hmap_insert(&br->iface_by_name, &iface->name_node, hash_string(name, 0)); |
2457b24f | 2407 | |
83db7968 | 2408 | list_push_back(&port->ifaces, &iface->port_elem); |
83db7968 | 2409 | |
064af421 BP |
2410 | VLOG_DBG("attached network device %s to port %s", iface->name, port->name); |
2411 | ||
76343538 | 2412 | return iface; |
064af421 BP |
2413 | } |
2414 | ||
2415 | static void | |
2416 | iface_destroy(struct iface *iface) | |
2417 | { | |
2418 | if (iface) { | |
2419 | struct port *port = iface->port; | |
2420 | struct bridge *br = port->bridge; | |
c17f0d5e | 2421 | |
892815f5 BP |
2422 | if (br->ofproto && iface->ofp_port >= 0) { |
2423 | ofproto_port_unregister(br->ofproto, iface->ofp_port); | |
5827ce14 EJ |
2424 | } |
2425 | ||
892815f5 BP |
2426 | if (iface->ofp_port >= 0) { |
2427 | hmap_remove(&br->ifaces, &iface->ofp_port_node); | |
064af421 BP |
2428 | } |
2429 | ||
83db7968 | 2430 | list_remove(&iface->port_elem); |
ebea37cc | 2431 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 2432 | |
0c6aea3f | 2433 | netdev_close(iface->netdev); |
064af421 | 2434 | |
a740f0de JG |
2435 | free(iface->name); |
2436 | free(iface); | |
064af421 BP |
2437 | } |
2438 | } | |
2439 | ||
2440 | static struct iface * | |
2441 | iface_lookup(const struct bridge *br, const char *name) | |
2442 | { | |
ebea37cc BP |
2443 | struct iface *iface; |
2444 | ||
2445 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
2446 | &br->iface_by_name) { | |
2447 | if (!strcmp(iface->name, name)) { | |
2448 | return iface; | |
2449 | } | |
2450 | } | |
2451 | ||
2452 | return NULL; | |
064af421 BP |
2453 | } |
2454 | ||
e8fe3026 EJ |
2455 | static struct iface * |
2456 | iface_find(const char *name) | |
2457 | { | |
2458 | const struct bridge *br; | |
2459 | ||
764072fd | 2460 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
2461 | struct iface *iface = iface_lookup(br, name); |
2462 | ||
2463 | if (iface) { | |
2464 | return iface; | |
2465 | } | |
2466 | } | |
2467 | return NULL; | |
2468 | } | |
2469 | ||
064af421 | 2470 | static struct iface * |
892815f5 | 2471 | iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port) |
064af421 | 2472 | { |
d9a8717a BP |
2473 | struct iface *iface; |
2474 | ||
892815f5 BP |
2475 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, |
2476 | hash_int(ofp_port, 0), &br->ifaces) { | |
2477 | if (iface->ofp_port == ofp_port) { | |
d9a8717a BP |
2478 | return iface; |
2479 | } | |
2480 | } | |
2481 | return NULL; | |
064af421 | 2482 | } |
557d8e6c | 2483 | |
52df17e7 BP |
2484 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
2485 | * file. */ | |
2486 | static void | |
2487 | iface_set_mac(struct iface *iface) | |
2488 | { | |
76343538 | 2489 | uint8_t ea[ETH_ADDR_LEN]; |
52df17e7 | 2490 | |
ede2fd6d BP |
2491 | if (!strcmp(iface->type, "internal") |
2492 | && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
892815f5 | 2493 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
2494 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
2495 | "(use Bridge record to set local port's mac)", | |
2496 | iface->name); | |
2497 | } else if (eth_addr_is_multicast(ea)) { | |
52df17e7 BP |
2498 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
2499 | iface->name); | |
52df17e7 | 2500 | } else { |
4d678233 | 2501 | int error = netdev_set_etheraddr(iface->netdev, ea); |
52df17e7 BP |
2502 | if (error) { |
2503 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
2504 | iface->name, strerror(error)); | |
2505 | } | |
2506 | } | |
2507 | } | |
2508 | } | |
c1c9c9c4 | 2509 | |
bcd49a45 BP |
2510 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
2511 | static void | |
2512 | iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport) | |
2513 | { | |
cfea354b | 2514 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
bcd49a45 BP |
2515 | ovsrec_interface_set_ofport(if_cfg, &ofport, 1); |
2516 | } | |
2517 | } | |
2518 | ||
3fc5a86a BP |
2519 | /* Clears all of the fields in 'if_cfg' that indicate interface status, and |
2520 | * sets the "ofport" field to -1. | |
2521 | * | |
2522 | * This is appropriate when 'if_cfg''s interface cannot be created or is | |
2523 | * otherwise invalid. */ | |
2524 | static void | |
2525 | iface_clear_db_record(const struct ovsrec_interface *if_cfg) | |
2526 | { | |
2527 | if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { | |
2528 | iface_set_ofport(if_cfg, -1); | |
2529 | ovsrec_interface_set_status(if_cfg, NULL, NULL, 0); | |
2530 | ovsrec_interface_set_admin_state(if_cfg, NULL); | |
2531 | ovsrec_interface_set_duplex(if_cfg, NULL); | |
2532 | ovsrec_interface_set_link_speed(if_cfg, NULL, 0); | |
2533 | ovsrec_interface_set_link_state(if_cfg, NULL); | |
2534 | ovsrec_interface_set_mtu(if_cfg, NULL, 0); | |
2535 | ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0); | |
2536 | ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0); | |
2537 | ovsrec_interface_set_lacp_current(if_cfg, NULL, 0); | |
2538 | ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0); | |
2539 | } | |
2540 | } | |
2541 | ||
43776b8f BP |
2542 | /* Adds the 'n' key-value pairs in 'keys' in 'values' to 'shash'. |
2543 | * | |
2544 | * The value strings in '*shash' are taken directly from values[], not copied, | |
2545 | * so the caller should not modify or free them. */ | |
c1c9c9c4 BP |
2546 | static void |
2547 | shash_from_ovs_idl_map(char **keys, char **values, size_t n, | |
2548 | struct shash *shash) | |
2549 | { | |
2550 | size_t i; | |
2551 | ||
2552 | shash_init(shash); | |
2553 | for (i = 0; i < n; i++) { | |
2554 | shash_add(shash, keys[i], values[i]); | |
2555 | } | |
2556 | } | |
2557 | ||
ea763e0e EJ |
2558 | /* Creates 'keys' and 'values' arrays from 'shash'. |
2559 | * | |
2560 | * Sets 'keys' and 'values' to heap allocated arrays representing the key-value | |
2561 | * pairs in 'shash'. The caller takes ownership of 'keys' and 'values'. They | |
2562 | * are populated with with strings taken directly from 'shash' and thus have | |
2563 | * the same ownership of the key-value pairs in shash. | |
2564 | */ | |
2565 | static void | |
2566 | shash_to_ovs_idl_map(struct shash *shash, | |
2567 | char ***keys, char ***values, size_t *n) | |
2568 | { | |
2569 | size_t i, count; | |
2570 | char **k, **v; | |
2571 | struct shash_node *sn; | |
2572 | ||
2573 | count = shash_count(shash); | |
2574 | ||
2575 | k = xmalloc(count * sizeof *k); | |
2576 | v = xmalloc(count * sizeof *v); | |
2577 | ||
2578 | i = 0; | |
2579 | SHASH_FOR_EACH(sn, shash) { | |
2580 | k[i] = sn->name; | |
2581 | v[i] = sn->data; | |
2582 | i++; | |
2583 | } | |
2584 | ||
2585 | *n = count; | |
2586 | *keys = k; | |
2587 | *values = v; | |
2588 | } | |
2589 | ||
c1c9c9c4 BP |
2590 | struct iface_delete_queues_cbdata { |
2591 | struct netdev *netdev; | |
44fca7f9 | 2592 | const struct ovsdb_datum *queues; |
c1c9c9c4 BP |
2593 | }; |
2594 | ||
2595 | static bool | |
44fca7f9 | 2596 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 2597 | { |
44fca7f9 | 2598 | union ovsdb_atom atom; |
c1c9c9c4 | 2599 | |
44fca7f9 BP |
2600 | atom.integer = target; |
2601 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
2602 | } |
2603 | ||
2604 | static void | |
2605 | iface_delete_queues(unsigned int queue_id, | |
2606 | const struct shash *details OVS_UNUSED, void *cbdata_) | |
2607 | { | |
2608 | struct iface_delete_queues_cbdata *cbdata = cbdata_; | |
2609 | ||
44fca7f9 | 2610 | if (!queue_ids_include(cbdata->queues, queue_id)) { |
c1c9c9c4 BP |
2611 | netdev_delete_queue(cbdata->netdev, queue_id); |
2612 | } | |
2613 | } | |
2614 | ||
2615 | static void | |
66da9bef | 2616 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 2617 | { |
daa8bd2b | 2618 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
2619 | netdev_set_qos(iface->netdev, NULL, NULL); |
2620 | } else { | |
2621 | struct iface_delete_queues_cbdata cbdata; | |
2622 | struct shash details; | |
6a6e60bd | 2623 | bool queue_zero; |
c1c9c9c4 BP |
2624 | size_t i; |
2625 | ||
2626 | /* Configure top-level Qos for 'iface'. */ | |
2627 | shash_from_ovs_idl_map(qos->key_other_config, qos->value_other_config, | |
2628 | qos->n_other_config, &details); | |
2629 | netdev_set_qos(iface->netdev, qos->type, &details); | |
2630 | shash_destroy(&details); | |
2631 | ||
2632 | /* Deconfigure queues that were deleted. */ | |
2633 | cbdata.netdev = iface->netdev; | |
44fca7f9 BP |
2634 | cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
2635 | OVSDB_TYPE_UUID); | |
c1c9c9c4 BP |
2636 | netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata); |
2637 | ||
2638 | /* Configure queues for 'iface'. */ | |
6a6e60bd | 2639 | queue_zero = false; |
c1c9c9c4 BP |
2640 | for (i = 0; i < qos->n_queues; i++) { |
2641 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
2642 | unsigned int queue_id = qos->key_queues[i]; | |
2643 | ||
6a6e60bd BP |
2644 | if (queue_id == 0) { |
2645 | queue_zero = true; | |
2646 | } | |
2647 | ||
c1c9c9c4 BP |
2648 | shash_from_ovs_idl_map(queue->key_other_config, |
2649 | queue->value_other_config, | |
2650 | queue->n_other_config, &details); | |
2651 | netdev_set_queue(iface->netdev, queue_id, &details); | |
2652 | shash_destroy(&details); | |
2653 | } | |
6a6e60bd BP |
2654 | if (!queue_zero) { |
2655 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
2656 | VLOG_WARN_RL(&rl, "interface %s: QoS configured without a default " | |
2657 | "queue (queue 0). Packets not directed to a " | |
2658 | "correctly configured queue may be dropped.", | |
2659 | iface->name); | |
2660 | } | |
c1c9c9c4 | 2661 | } |
fa066f01 BP |
2662 | |
2663 | netdev_set_policing(iface->netdev, | |
2664 | iface->cfg->ingress_policing_rate, | |
2665 | iface->cfg->ingress_policing_burst); | |
c1c9c9c4 | 2666 | } |
b31bcf60 EJ |
2667 | |
2668 | static void | |
66da9bef | 2669 | iface_configure_cfm(struct iface *iface) |
b31bcf60 | 2670 | { |
93b8df38 | 2671 | const struct ovsrec_interface *cfg = iface->cfg; |
86dc6501 | 2672 | const char *extended_str, *opstate_str; |
a5610457 | 2673 | struct cfm_settings s; |
b31bcf60 | 2674 | |
144216a3 | 2675 | if (!cfg->n_cfm_mpid) { |
892815f5 | 2676 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
2677 | return; |
2678 | } | |
2679 | ||
a5610457 | 2680 | s.mpid = *cfg->cfm_mpid; |
a5610457 EJ |
2681 | s.interval = atoi(get_interface_other_config(iface->cfg, "cfm_interval", |
2682 | "0")); | |
2683 | if (s.interval <= 0) { | |
2684 | s.interval = 1000; | |
b31bcf60 | 2685 | } |
b31bcf60 | 2686 | |
ef9819b5 EJ |
2687 | extended_str = get_interface_other_config(iface->cfg, "cfm_extended", |
2688 | "false"); | |
2689 | s.extended = !strcasecmp("true", extended_str); | |
2690 | ||
86dc6501 EJ |
2691 | opstate_str = get_interface_other_config(iface->cfg, "cfm_opstate", "up"); |
2692 | s.opup = !strcasecmp("up", opstate_str); | |
2693 | ||
a5610457 | 2694 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s); |
b31bcf60 | 2695 | } |
0b8024eb | 2696 | |
cfea354b BP |
2697 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally |
2698 | * instead of obtaining it from the database. */ | |
2699 | static bool | |
2700 | iface_is_synthetic(const struct iface *iface) | |
2701 | { | |
2702 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
2703 | } | |
064af421 BP |
2704 | \f |
2705 | /* Port mirroring. */ | |
2706 | ||
dd0d105c BP |
2707 | static struct mirror * |
2708 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
2709 | { | |
fa066f01 | 2710 | struct mirror *m; |
dd0d105c | 2711 | |
fa066f01 BP |
2712 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
2713 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
2714 | return m; |
2715 | } | |
2716 | } | |
2717 | return NULL; | |
2718 | } | |
2719 | ||
064af421 | 2720 | static void |
fa066f01 | 2721 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 2722 | { |
fa066f01 BP |
2723 | const struct ovsdb_datum *mc; |
2724 | unsigned long *flood_vlans; | |
2725 | struct mirror *m, *next; | |
2726 | size_t i; | |
064af421 | 2727 | |
dd0d105c | 2728 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
2729 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
2730 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
2731 | union ovsdb_atom atom; | |
2732 | ||
2733 | atom.uuid = m->uuid; | |
2734 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
2735 | mirror_destroy(m); | |
064af421 BP |
2736 | } |
2737 | } | |
2738 | ||
dd0d105c | 2739 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 2740 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 2741 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 2742 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
2743 | if (!m) { |
2744 | m = mirror_create(br, cfg); | |
064af421 | 2745 | } |
fa066f01 BP |
2746 | if (!mirror_configure(m, cfg)) { |
2747 | mirror_destroy(m); | |
064af421 BP |
2748 | } |
2749 | } | |
f2d7fd66 | 2750 | |
8f30d09a | 2751 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
2752 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
2753 | br->cfg->n_flood_vlans); | |
2754 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
2755 | bitmap_free(flood_vlans); | |
064af421 BP |
2756 | } |
2757 | ||
fa066f01 BP |
2758 | static struct mirror * |
2759 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
2760 | { |
2761 | struct mirror *m; | |
064af421 | 2762 | |
fa066f01 | 2763 | m = xzalloc(sizeof *m); |
8bbc128e | 2764 | m->uuid = cfg->header_.uuid; |
fa066f01 | 2765 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 2766 | m->bridge = br; |
dd0d105c | 2767 | m->name = xstrdup(cfg->name); |
37e7f427 | 2768 | |
fa066f01 | 2769 | return m; |
064af421 BP |
2770 | } |
2771 | ||
2772 | static void | |
2773 | mirror_destroy(struct mirror *m) | |
2774 | { | |
2775 | if (m) { | |
2776 | struct bridge *br = m->bridge; | |
064af421 | 2777 | |
fa066f01 BP |
2778 | if (br->ofproto) { |
2779 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
2780 | } |
2781 | ||
fa066f01 | 2782 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 2783 | free(m->name); |
064af421 | 2784 | free(m); |
064af421 BP |
2785 | } |
2786 | } | |
2787 | ||
2788 | static void | |
fa066f01 BP |
2789 | mirror_collect_ports(struct mirror *m, |
2790 | struct ovsrec_port **in_ports, int n_in_ports, | |
2791 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 2792 | { |
fa066f01 BP |
2793 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
2794 | size_t n_out_ports = 0; | |
064af421 BP |
2795 | size_t i; |
2796 | ||
fa066f01 BP |
2797 | for (i = 0; i < n_in_ports; i++) { |
2798 | const char *name = in_ports[i]->name; | |
2799 | struct port *port = port_lookup(m->bridge, name); | |
2800 | if (port) { | |
2801 | out_ports[n_out_ports++] = port; | |
064af421 | 2802 | } else { |
37e7f427 BP |
2803 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
2804 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
2805 | } |
2806 | } | |
fa066f01 BP |
2807 | *out_portsp = out_ports; |
2808 | *n_out_portsp = n_out_ports; | |
064af421 BP |
2809 | } |
2810 | ||
2811 | static bool | |
fa066f01 | 2812 | mirror_configure(struct mirror *m, const struct ovsrec_mirror *cfg) |
064af421 | 2813 | { |
fa066f01 | 2814 | struct ofproto_mirror_settings s; |
064af421 | 2815 | |
dd0d105c BP |
2816 | /* Set name. */ |
2817 | if (strcmp(cfg->name, m->name)) { | |
2818 | free(m->name); | |
2819 | m->name = xstrdup(cfg->name); | |
2820 | } | |
fa066f01 | 2821 | s.name = m->name; |
dd0d105c | 2822 | |
fa066f01 | 2823 | /* Get output port or VLAN. */ |
37e7f427 | 2824 | if (cfg->output_port) { |
fa066f01 | 2825 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 2826 | if (!s.out_bundle) { |
37e7f427 BP |
2827 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
2828 | m->bridge->name, m->name); | |
fa066f01 | 2829 | return false; |
064af421 | 2830 | } |
fa066f01 | 2831 | s.out_vlan = UINT16_MAX; |
064af421 | 2832 | |
37e7f427 BP |
2833 | if (cfg->output_vlan) { |
2834 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
2835 | "output vlan; ignoring output vlan", | |
2836 | m->bridge->name, m->name); | |
064af421 | 2837 | } |
37e7f427 | 2838 | } else if (cfg->output_vlan) { |
fa066f01 BP |
2839 | /* The database should prevent invalid VLAN values. */ |
2840 | s.out_bundle = NULL; | |
2841 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 2842 | } else { |
37e7f427 BP |
2843 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
2844 | m->bridge->name, m->name); | |
fa066f01 | 2845 | return false; |
064af421 BP |
2846 | } |
2847 | ||
fa066f01 | 2848 | /* Get port selection. */ |
939ff267 | 2849 | if (cfg->select_all) { |
fa066f01 BP |
2850 | size_t n_ports = hmap_count(&m->bridge->ports); |
2851 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 2852 | struct port *port; |
fa066f01 BP |
2853 | size_t i; |
2854 | ||
2855 | i = 0; | |
8052fb14 | 2856 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 2857 | ports[i++] = port; |
939ff267 | 2858 | } |
fa066f01 BP |
2859 | |
2860 | s.srcs = ports; | |
2861 | s.n_srcs = n_ports; | |
2862 | ||
2863 | s.dsts = ports; | |
2864 | s.n_dsts = n_ports; | |
939ff267 | 2865 | } else { |
fa066f01 BP |
2866 | /* Get ports, dropping ports that don't exist. |
2867 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 2868 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 2869 | &s.srcs, &s.n_srcs); |
939ff267 | 2870 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 2871 | &s.dsts, &s.n_dsts); |
064af421 BP |
2872 | } |
2873 | ||
fa066f01 BP |
2874 | /* Get VLAN selection. */ |
2875 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
2876 | ||
2877 | /* Configure. */ | |
2878 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
2879 | ||
064af421 | 2880 | /* Clean up. */ |
fa066f01 BP |
2881 | if (s.srcs != s.dsts) { |
2882 | free(s.dsts); | |
2883 | } | |
2884 | free(s.srcs); | |
2885 | free(s.src_vlans); | |
2886 | ||
2887 | return true; | |
064af421 | 2888 | } |