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59804c80 | 1 | /* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014 Nicira, Inc. |
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" | |
064af421 | 18 | #include <errno.h> |
064af421 | 19 | #include <inttypes.h> |
064af421 | 20 | #include <stdlib.h> |
a5fb0e29 | 21 | #include "async-append.h" |
ccc09689 | 22 | #include "bfd.h" |
064af421 | 23 | #include "bitmap.h" |
b31bcf60 | 24 | #include "cfm.h" |
7f8f2757 | 25 | #include "connectivity.h" |
064af421 | 26 | #include "coverage.h" |
a7ff9bd7 | 27 | #include "daemon.h" |
064af421 | 28 | #include "dirs.h" |
064af421 | 29 | #include "dynamic-string.h" |
064af421 | 30 | #include "hash.h" |
d9a8717a | 31 | #include "hmap.h" |
f145afdc | 32 | #include "hmapx.h" |
cd11000b | 33 | #include "jsonrpc.h" |
6aa74308 | 34 | #include "lacp.h" |
064af421 | 35 | #include "list.h" |
e764773c | 36 | #include "mac-learning.h" |
dc2b70ba | 37 | #include "mcast-snooping.h" |
254750ce | 38 | #include "meta-flow.h" |
064af421 | 39 | #include "netdev.h" |
064af421 | 40 | #include "ofp-print.h" |
7beaa082 | 41 | #include "ofp-util.h" |
064af421 | 42 | #include "ofpbuf.h" |
9a54394a | 43 | #include "ofproto/bond.h" |
8cd4882f | 44 | #include "ofproto/ofproto.h" |
7c5a3bbf | 45 | #include "ovs-numa.h" |
064af421 | 46 | #include "poll-loop.h" |
7f8f2757 | 47 | #include "seq.h" |
76343538 | 48 | #include "sha1.h" |
6c88d577 | 49 | #include "shash.h" |
79f1cbe9 | 50 | #include "smap.h" |
064af421 | 51 | #include "socket-util.h" |
5bd31620 | 52 | #include "stream.h" |
fe55ad15 | 53 | #include "stream-ssl.h" |
b3c01ed3 | 54 | #include "sset.h" |
ce887677 | 55 | #include "system-stats.h" |
064af421 BP |
56 | #include "timeval.h" |
57 | #include "util.h" | |
da285df4 | 58 | #include "unixctl.h" |
52a90c29 | 59 | #include "vlandev.h" |
eaa67ba8 | 60 | #include "lib/vswitch-idl.h" |
064af421 | 61 | #include "xenserver.h" |
5136ce49 | 62 | #include "vlog.h" |
72b06300 | 63 | #include "sflow_api.h" |
0fb7b915 | 64 | #include "vlan-bitmap.h" |
064af421 | 65 | |
d98e6007 | 66 | VLOG_DEFINE_THIS_MODULE(bridge); |
064af421 | 67 | |
d76f09ea BP |
68 | COVERAGE_DEFINE(bridge_reconfigure); |
69 | ||
064af421 | 70 | struct iface { |
2a73b1d7 BP |
71 | /* These members are always valid. |
72 | * | |
73 | * They are immutable: they never change between iface_create() and | |
74 | * iface_destroy(). */ | |
83db7968 | 75 | struct list port_elem; /* Element in struct port's "ifaces" list. */ |
ebea37cc | 76 | struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */ |
2a73b1d7 | 77 | struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */ |
064af421 | 78 | struct port *port; /* Containing port. */ |
064af421 | 79 | char *name; /* Host network device name. */ |
0c6aea3f | 80 | struct netdev *netdev; /* Network device. */ |
2a73b1d7 | 81 | ofp_port_t ofp_port; /* OpenFlow port number. */ |
6a5f9a8f | 82 | uint64_t change_seq; |
2a73b1d7 BP |
83 | |
84 | /* These members are valid only within bridge_reconfigure(). */ | |
6cefe1da | 85 | const char *type; /* Usually same as cfg->type. */ |
76343538 | 86 | const struct ovsrec_interface *cfg; |
064af421 BP |
87 | }; |
88 | ||
064af421 | 89 | struct mirror { |
fa066f01 BP |
90 | struct uuid uuid; /* UUID of this "mirror" record in database. */ |
91 | struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */ | |
064af421 | 92 | struct bridge *bridge; |
064af421 | 93 | char *name; |
9d24de3b | 94 | const struct ovsrec_mirror *cfg; |
064af421 BP |
95 | }; |
96 | ||
064af421 | 97 | struct port { |
8052fb14 | 98 | struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */ |
6e492d81 | 99 | struct bridge *bridge; |
8052fb14 BP |
100 | char *name; |
101 | ||
1e0b752d | 102 | const struct ovsrec_port *cfg; |
064af421 BP |
103 | |
104 | /* An ordinary bridge port has 1 interface. | |
105 | * A bridge port for bonding has at least 2 interfaces. */ | |
83db7968 | 106 | struct list ifaces; /* List of "struct iface"s. */ |
064af421 BP |
107 | }; |
108 | ||
064af421 | 109 | struct bridge { |
764072fd | 110 | struct hmap_node node; /* In 'all_bridges'. */ |
064af421 | 111 | char *name; /* User-specified arbitrary name. */ |
66da9bef | 112 | char *type; /* Datapath type. */ |
abe457eb | 113 | uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */ |
064af421 | 114 | uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */ |
1e0b752d | 115 | const struct ovsrec_bridge *cfg; |
064af421 | 116 | |
064af421 BP |
117 | /* OpenFlow switch processing. */ |
118 | struct ofproto *ofproto; /* OpenFlow switch. */ | |
119 | ||
064af421 | 120 | /* Bridge ports. */ |
8052fb14 | 121 | struct hmap ports; /* "struct port"s indexed by name. */ |
892815f5 | 122 | struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */ |
ebea37cc | 123 | struct hmap iface_by_name; /* "struct iface"s indexed by name. */ |
064af421 | 124 | |
064af421 | 125 | /* Port mirroring. */ |
fa066f01 | 126 | struct hmap mirrors; /* "struct mirror" indexed by UUID. */ |
cfea354b | 127 | |
2a73b1d7 BP |
128 | /* Used during reconfiguration. */ |
129 | struct shash wanted_ports; | |
130 | ||
cfea354b BP |
131 | /* Synthetic local port if necessary. */ |
132 | struct ovsrec_port synth_local_port; | |
133 | struct ovsrec_interface synth_local_iface; | |
134 | struct ovsrec_interface *synth_local_ifacep; | |
064af421 BP |
135 | }; |
136 | ||
764072fd BP |
137 | /* All bridges, indexed by name. */ |
138 | static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges); | |
064af421 | 139 | |
c5187f17 BP |
140 | /* OVSDB IDL used to obtain configuration. */ |
141 | static struct ovsdb_idl *idl; | |
142 | ||
63ff04e8 BP |
143 | /* We want to complete daemonization, fully detaching from our parent process, |
144 | * only after we have completed our initial configuration, committed our state | |
145 | * to the database, and received confirmation back from the database server | |
146 | * that it applied the commit. This allows our parent process to know that, | |
147 | * post-detach, ephemeral fields such as datapath-id and ofport are very likely | |
148 | * to have already been filled in. (It is only "very likely" rather than | |
149 | * certain because there is always a slim possibility that the transaction will | |
150 | * fail or that some other client has added new bridges, ports, etc. while | |
151 | * ovs-vswitchd was configuring using an old configuration.) | |
152 | * | |
153 | * We only need to do this once for our initial configuration at startup, so | |
154 | * 'initial_config_done' tracks whether we've already done it. While we are | |
155 | * waiting for a response to our commit, 'daemonize_txn' tracks the transaction | |
156 | * itself and is otherwise NULL. */ | |
157 | static bool initial_config_done; | |
158 | static struct ovsdb_idl_txn *daemonize_txn; | |
159 | ||
854a94d9 BP |
160 | /* Most recently processed IDL sequence number. */ |
161 | static unsigned int idl_seqno; | |
162 | ||
7f8f2757 JS |
163 | /* Track changes to port connectivity. */ |
164 | static uint64_t connectivity_seqno = LLONG_MIN; | |
165 | ||
6a5f9a8f AW |
166 | /* Status update to database. |
167 | * | |
168 | * Some information in the database must be kept as up-to-date as possible to | |
169 | * allow controllers to respond rapidly to network outages. Those status are | |
170 | * updated via the 'status_txn'. | |
171 | * | |
172 | * We use the global connectivity sequence number to detect the status change. | |
173 | * Also, to prevent the status update from sending too much to the database, | |
174 | * we check the return status of each update transaction and do not start new | |
175 | * update if the previous transaction status is 'TXN_INCOMPLETE'. | |
176 | * | |
177 | * 'statux_txn' is NULL if there is no ongoing status update. | |
15c9fbd8 AW |
178 | * |
179 | * If the previous database transaction was failed (is not 'TXN_SUCCESS', | |
180 | * 'TXN_UNCHANGED' or 'TXN_INCOMPLETE'), 'status_txn_try_again' is set to true, | |
181 | * which will cause the main thread wake up soon and retry the status update. | |
6a5f9a8f AW |
182 | */ |
183 | static struct ovsdb_idl_txn *status_txn; | |
15c9fbd8 | 184 | static bool status_txn_try_again; |
6a5f9a8f AW |
185 | |
186 | /* When the status update transaction returns 'TXN_INCOMPLETE', should register a | |
187 | * timeout in 'STATUS_CHECK_AGAIN_MSEC' to check again. */ | |
188 | #define STATUS_CHECK_AGAIN_MSEC 100 | |
189 | ||
35a22d8c | 190 | /* Each time this timer expires, the bridge fetches interface and mirror |
cd0cd65f | 191 | * statistics and pushes them into the database. */ |
12eb035b AW |
192 | static int stats_timer_interval; |
193 | static long long int stats_timer = LLONG_MIN; | |
018f1525 | 194 | |
c7e7bb21 EJ |
195 | /* In some datapaths, creating and destroying OpenFlow ports can be extremely |
196 | * expensive. This can cause bridge_reconfigure() to take a long time during | |
197 | * which no other work can be done. To deal with this problem, we limit port | |
198 | * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per | |
199 | * call to bridge_reconfigure(). If there is more work to do after the limit | |
200 | * is reached, 'need_reconfigure', is flagged and it's done on the next loop. | |
201 | * This allows the rest of the code to catch up on important things like | |
202 | * forwarding packets. */ | |
203 | #define OFP_PORT_ACTION_WINDOW 10 | |
c7e7bb21 | 204 | |
66da9bef | 205 | static void add_del_bridges(const struct ovsrec_open_vswitch *); |
aeed7879 | 206 | static void bridge_run__(void); |
66da9bef | 207 | static void bridge_create(const struct ovsrec_bridge *); |
064af421 BP |
208 | static void bridge_destroy(struct bridge *); |
209 | static struct bridge *bridge_lookup(const char *name); | |
8ca79daa | 210 | static unixctl_cb_func bridge_unixctl_dump_flows; |
fa05809b | 211 | static unixctl_cb_func bridge_unixctl_reconnect; |
1a048029 | 212 | static size_t bridge_get_controllers(const struct bridge *br, |
76ce9432 | 213 | struct ovsrec_controller ***controllersp); |
2a73b1d7 BP |
214 | static void bridge_collect_wanted_ports(struct bridge *, |
215 | const unsigned long *splinter_vlans, | |
216 | struct shash *wanted_ports); | |
217 | static void bridge_delete_ofprotos(void); | |
218 | static void bridge_delete_or_reconfigure_ports(struct bridge *); | |
219 | static void bridge_del_ports(struct bridge *, | |
220 | const struct shash *wanted_ports); | |
221 | static void bridge_add_ports(struct bridge *, | |
222 | const struct shash *wanted_ports); | |
223 | ||
6f90b8f4 BP |
224 | static void bridge_configure_datapath_id(struct bridge *); |
225 | static void bridge_configure_netflow(struct bridge *); | |
8402c74b | 226 | static void bridge_configure_forward_bpdu(struct bridge *); |
c4069512 | 227 | static void bridge_configure_mac_table(struct bridge *); |
dc2b70ba | 228 | static void bridge_configure_mcast_snooping(struct bridge *); |
6f90b8f4 | 229 | static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number); |
29089a54 | 230 | static void bridge_configure_ipfix(struct bridge *); |
21f7563c | 231 | static void bridge_configure_stp(struct bridge *); |
254750ce | 232 | static void bridge_configure_tables(struct bridge *); |
8b6ff729 | 233 | static void bridge_configure_dp_desc(struct bridge *); |
fa066f01 BP |
234 | static void bridge_configure_remotes(struct bridge *, |
235 | const struct sockaddr_in *managers, | |
236 | size_t n_managers); | |
064af421 BP |
237 | static void bridge_pick_local_hw_addr(struct bridge *, |
238 | uint8_t ea[ETH_ADDR_LEN], | |
07c318f4 | 239 | struct iface **hw_addr_iface); |
064af421 BP |
240 | static uint64_t bridge_pick_datapath_id(struct bridge *, |
241 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 242 | struct iface *hw_addr_iface); |
064af421 | 243 | static uint64_t dpid_from_hash(const void *, size_t nbytes); |
e8192d80 BP |
244 | static bool bridge_has_bond_fake_iface(const struct bridge *, |
245 | const char *name); | |
246 | static bool port_is_bond_fake_iface(const struct port *); | |
064af421 | 247 | |
e8fe3026 | 248 | static unixctl_cb_func qos_unixctl_show; |
8c4c1387 | 249 | |
66da9bef | 250 | static struct port *port_create(struct bridge *, const struct ovsrec_port *); |
66da9bef | 251 | static void port_del_ifaces(struct port *); |
064af421 BP |
252 | static void port_destroy(struct port *); |
253 | static struct port *port_lookup(const struct bridge *, const char *name); | |
fa066f01 BP |
254 | static void port_configure(struct port *); |
255 | static struct lacp_settings *port_configure_lacp(struct port *, | |
256 | struct lacp_settings *); | |
df53d41c | 257 | static void port_configure_bond(struct port *, struct bond_settings *); |
06b592bc | 258 | static bool port_is_synthetic(const struct port *); |
fa066f01 | 259 | |
35a22d8c BP |
260 | static void reconfigure_system_stats(const struct ovsrec_open_vswitch *); |
261 | static void run_system_stats(void); | |
262 | ||
fa066f01 BP |
263 | static void bridge_configure_mirrors(struct bridge *); |
264 | static struct mirror *mirror_create(struct bridge *, | |
265 | const struct ovsrec_mirror *); | |
064af421 | 266 | static void mirror_destroy(struct mirror *); |
9d24de3b JP |
267 | static bool mirror_configure(struct mirror *); |
268 | static void mirror_refresh_stats(struct mirror *); | |
064af421 | 269 | |
fa066f01 | 270 | static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *); |
2a73b1d7 BP |
271 | static bool iface_create(struct bridge *, const struct ovsrec_interface *, |
272 | const struct ovsrec_port *); | |
05ba03e0 JP |
273 | static bool iface_is_internal(const struct ovsrec_interface *iface, |
274 | const struct ovsrec_bridge *br); | |
b54441b3 BP |
275 | static const char *iface_get_type(const struct ovsrec_interface *, |
276 | const struct ovsrec_bridge *); | |
064af421 | 277 | static void iface_destroy(struct iface *); |
96be8de5 | 278 | static void iface_destroy__(struct iface *); |
064af421 | 279 | static struct iface *iface_lookup(const struct bridge *, const char *name); |
e8fe3026 | 280 | static struct iface *iface_find(const char *name); |
892815f5 | 281 | static struct iface *iface_from_ofp_port(const struct bridge *, |
4e022ec0 | 282 | ofp_port_t ofp_port); |
21a955fc | 283 | static void iface_set_mac(const struct bridge *, const struct port *, struct iface *); |
4e022ec0 | 284 | static void iface_set_ofport(const struct ovsrec_interface *, ofp_port_t ofport); |
bbe6109d | 285 | static void iface_clear_db_record(const struct ovsrec_interface *if_cfg, char *errp); |
66da9bef BP |
286 | static void iface_configure_qos(struct iface *, const struct ovsrec_qos *); |
287 | static void iface_configure_cfm(struct iface *); | |
8f3fe844 | 288 | static void iface_refresh_cfm_stats(struct iface *); |
1101a0b4 | 289 | static void iface_refresh_stats(struct iface *); |
6a5f9a8f AW |
290 | static void iface_refresh_netdev_status(struct iface *); |
291 | static void iface_refresh_ofproto_status(struct iface *); | |
cfea354b | 292 | static bool iface_is_synthetic(const struct iface *); |
4abb8608 BP |
293 | static ofp_port_t iface_get_requested_ofp_port( |
294 | const struct ovsrec_interface *); | |
4e022ec0 | 295 | static ofp_port_t iface_pick_ofport(const struct ovsrec_interface *); |
52a90c29 BP |
296 | |
297 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
298 | * | |
299 | * This is deprecated. It is only for compatibility with broken device drivers | |
300 | * in old versions of Linux that do not properly support VLANs when VLAN | |
301 | * devices are not used. When broken device drivers are no longer in | |
302 | * widespread use, we will delete these interfaces. */ | |
303 | ||
304 | /* True if VLAN splinters are enabled on any interface, false otherwise.*/ | |
305 | static bool vlan_splinters_enabled_anywhere; | |
306 | ||
307 | static bool vlan_splinters_is_enabled(const struct ovsrec_interface *); | |
308 | static unsigned long int *collect_splinter_vlans( | |
309 | const struct ovsrec_open_vswitch *); | |
310 | static void configure_splinter_port(struct port *); | |
311 | static void add_vlan_splinter_ports(struct bridge *, | |
312 | const unsigned long int *splinter_vlans, | |
313 | struct shash *ports); | |
b0408fca JP |
314 | |
315 | static void | |
316 | bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg) | |
317 | { | |
318 | struct shash iface_hints; | |
319 | static bool initialized = false; | |
320 | int i; | |
321 | ||
322 | if (initialized) { | |
323 | return; | |
324 | } | |
325 | ||
326 | shash_init(&iface_hints); | |
327 | ||
b099cd5f EJ |
328 | if (cfg) { |
329 | for (i = 0; i < cfg->n_bridges; i++) { | |
330 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
331 | int j; | |
332 | ||
333 | for (j = 0; j < br_cfg->n_ports; j++) { | |
334 | struct ovsrec_port *port_cfg = br_cfg->ports[j]; | |
335 | int k; | |
336 | ||
337 | for (k = 0; k < port_cfg->n_interfaces; k++) { | |
338 | struct ovsrec_interface *if_cfg = port_cfg->interfaces[k]; | |
339 | struct iface_hint *iface_hint; | |
340 | ||
341 | iface_hint = xmalloc(sizeof *iface_hint); | |
342 | iface_hint->br_name = br_cfg->name; | |
343 | iface_hint->br_type = br_cfg->datapath_type; | |
558e2cc5 | 344 | iface_hint->ofp_port = iface_pick_ofport(if_cfg); |
b099cd5f EJ |
345 | |
346 | shash_add(&iface_hints, if_cfg->name, iface_hint); | |
347 | } | |
b0408fca JP |
348 | } |
349 | } | |
350 | } | |
351 | ||
352 | ofproto_init(&iface_hints); | |
353 | ||
354 | shash_destroy_free_data(&iface_hints); | |
355 | initialized = true; | |
356 | } | |
064af421 BP |
357 | \f |
358 | /* Public functions. */ | |
359 | ||
c5187f17 BP |
360 | /* Initializes the bridge module, configuring it to obtain its configuration |
361 | * from an OVSDB server accessed over 'remote', which should be a string in a | |
362 | * form acceptable to ovsdb_idl_create(). */ | |
064af421 | 363 | void |
c5187f17 BP |
364 | bridge_init(const char *remote) |
365 | { | |
366 | /* Create connection to database. */ | |
fba6bd1d | 367 | idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true, true); |
854a94d9 | 368 | idl_seqno = ovsdb_idl_get_seqno(idl); |
06b6d651 | 369 | ovsdb_idl_set_lock(idl, "ovs_vswitchd"); |
8cdec725 | 370 | ovsdb_idl_verify_write_only(idl); |
c5187f17 | 371 | |
ef73f86c BP |
372 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg); |
373 | ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics); | |
e85bbd75 | 374 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids); |
62f3aaed BP |
375 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version); |
376 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version); | |
377 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type); | |
378 | ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version); | |
e85bbd75 | 379 | |
62f3aaed | 380 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id); |
21f7563c | 381 | ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status); |
e85bbd75 BP |
382 | ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids); |
383 | ||
21f7563c | 384 | ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status); |
80740385 | 385 | ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics); |
e85bbd75 | 386 | ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids); |
e85bbd75 | 387 | |
62f3aaed BP |
388 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state); |
389 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex); | |
390 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed); | |
391 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state); | |
65c3058c | 392 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets); |
df867eda | 393 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mac_in_use); |
ea401d9a | 394 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ifindex); |
62f3aaed | 395 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu); |
ef73f86c BP |
396 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport); |
397 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics); | |
62f3aaed | 398 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status); |
b4117094 | 399 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault); |
b9380396 | 400 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status); |
1de11730 | 401 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids); |
76c4290d | 402 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_flap_count); |
3967a833 | 403 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health); |
4104aaf1 | 404 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate); |
ccc09689 | 405 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_bfd_status); |
b4117094 | 406 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current); |
bbe6109d | 407 | ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_error); |
e85bbd75 BP |
408 | ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids); |
409 | ||
62f3aaed BP |
410 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected); |
411 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role); | |
412 | ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status); | |
413 | ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids); | |
414 | ||
62f3aaed BP |
415 | ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids); |
416 | ||
417 | ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids); | |
418 | ||
419 | ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids); | |
9d24de3b | 420 | ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics); |
62f3aaed BP |
421 | |
422 | ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids); | |
62f3aaed | 423 | ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids); |
29089a54 RL |
424 | ovsdb_idl_omit(idl, &ovsrec_ipfix_col_external_ids); |
425 | ovsdb_idl_omit(idl, &ovsrec_flow_sample_collector_set_col_external_ids); | |
62f3aaed BP |
426 | |
427 | ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids); | |
428 | ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe); | |
429 | ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected); | |
430 | ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff); | |
431 | ovsdb_idl_omit(idl, &ovsrec_manager_col_status); | |
432 | ||
433 | ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids); | |
434 | ||
c5187f17 | 435 | /* Register unixctl commands. */ |
0e15264f BP |
436 | unixctl_command_register("qos/show", "interface", 1, 1, |
437 | qos_unixctl_show, NULL); | |
438 | unixctl_command_register("bridge/dump-flows", "bridge", 1, 1, | |
7ff2009a | 439 | bridge_unixctl_dump_flows, NULL); |
0e15264f | 440 | unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1, |
7ff2009a | 441 | bridge_unixctl_reconnect, NULL); |
5827ce14 | 442 | lacp_init(); |
c5187f17 | 443 | bond_init(); |
9ac3fce4 | 444 | cfm_init(); |
7c5a3bbf | 445 | ovs_numa_init(); |
fe4a02e4 | 446 | stp_init(); |
c5187f17 BP |
447 | } |
448 | ||
ee45ad81 BP |
449 | void |
450 | bridge_exit(void) | |
451 | { | |
452 | struct bridge *br, *next_br; | |
453 | ||
764072fd | 454 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
ee45ad81 BP |
455 | bridge_destroy(br); |
456 | } | |
457 | ovsdb_idl_destroy(idl); | |
458 | } | |
459 | ||
cd11000b BP |
460 | /* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP |
461 | * addresses and ports into '*managersp' and '*n_managersp'. The caller is | |
462 | * responsible for freeing '*managersp' (with free()). | |
463 | * | |
464 | * You may be asking yourself "why does ovs-vswitchd care?", because | |
465 | * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd | |
466 | * should not be and in fact is not directly involved in that. But | |
467 | * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so | |
468 | * it has to tell in-band control where the managers are to enable that. | |
94db5407 | 469 | * (Thus, only managers connected in-band are collected.) |
cd11000b BP |
470 | */ |
471 | static void | |
94db5407 BP |
472 | collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg, |
473 | struct sockaddr_in **managersp, size_t *n_managersp) | |
cd11000b BP |
474 | { |
475 | struct sockaddr_in *managers = NULL; | |
476 | size_t n_managers = 0; | |
b3c01ed3 | 477 | struct sset targets; |
94db5407 BP |
478 | size_t i; |
479 | ||
289df16d AE |
480 | /* Collect all of the potential targets from the "targets" columns of the |
481 | * rows pointed to by "manager_options", excluding any that are | |
482 | * out-of-band. */ | |
b3c01ed3 | 483 | sset_init(&targets); |
94db5407 BP |
484 | for (i = 0; i < ovs_cfg->n_manager_options; i++) { |
485 | struct ovsrec_manager *m = ovs_cfg->manager_options[i]; | |
486 | ||
487 | if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) { | |
b3c01ed3 | 488 | sset_find_and_delete(&targets, m->target); |
94db5407 | 489 | } else { |
b3c01ed3 | 490 | sset_add(&targets, m->target); |
94db5407 BP |
491 | } |
492 | } | |
cd11000b | 493 | |
94db5407 | 494 | /* Now extract the targets' IP addresses. */ |
b3c01ed3 BP |
495 | if (!sset_is_empty(&targets)) { |
496 | const char *target; | |
cd11000b | 497 | |
b3c01ed3 BP |
498 | managers = xmalloc(sset_count(&targets) * sizeof *managers); |
499 | SSET_FOR_EACH (target, &targets) { | |
02334943 JR |
500 | union { |
501 | struct sockaddr_storage ss; | |
502 | struct sockaddr_in in; | |
503 | } sa; | |
cd11000b | 504 | |
e731d71b | 505 | if (stream_parse_target_with_default_port(target, OVSDB_OLD_PORT, |
02334943 JR |
506 | &sa.ss) |
507 | && sa.ss.ss_family == AF_INET) { | |
508 | managers[n_managers++] = sa.in; | |
cd11000b BP |
509 | } |
510 | } | |
511 | } | |
b3c01ed3 | 512 | sset_destroy(&targets); |
cd11000b BP |
513 | |
514 | *managersp = managers; | |
515 | *n_managersp = n_managers; | |
516 | } | |
517 | ||
c5187f17 | 518 | static void |
76343538 | 519 | bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg) |
064af421 | 520 | { |
52a90c29 | 521 | unsigned long int *splinter_vlans; |
2a73b1d7 BP |
522 | struct sockaddr_in *managers; |
523 | struct bridge *br, *next; | |
524 | int sflow_bridge_number; | |
525 | size_t n_managers; | |
064af421 BP |
526 | |
527 | COVERAGE_INC(bridge_reconfigure); | |
528 | ||
e79a6c83 EJ |
529 | ofproto_set_flow_limit(smap_get_int(&ovs_cfg->other_config, "flow-limit", |
530 | OFPROTO_FLOW_LIMIT_DEFAULT)); | |
72310b04 JS |
531 | ofproto_set_max_idle(smap_get_int(&ovs_cfg->other_config, "max-idle", |
532 | OFPROTO_MAX_IDLE_DEFAULT)); | |
380f49c4 | 533 | |
6567010f | 534 | ofproto_set_threads( |
e79a6c83 EJ |
535 | smap_get_int(&ovs_cfg->other_config, "n-handler-threads", 0), |
536 | smap_get_int(&ovs_cfg->other_config, "n-revalidator-threads", 0)); | |
448a4b2f | 537 | |
bae7208e | 538 | /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according |
2a73b1d7 | 539 | * to 'ovs_cfg', with only very minimal configuration otherwise. |
66da9bef | 540 | * |
bae7208e EJ |
541 | * This is mostly an update to bridge data structures. Nothing is pushed |
542 | * down to ofproto or lower layers. */ | |
66da9bef | 543 | add_del_bridges(ovs_cfg); |
52a90c29 | 544 | splinter_vlans = collect_splinter_vlans(ovs_cfg); |
764072fd | 545 | HMAP_FOR_EACH (br, node, &all_bridges) { |
2a73b1d7 BP |
546 | bridge_collect_wanted_ports(br, splinter_vlans, &br->wanted_ports); |
547 | bridge_del_ports(br, &br->wanted_ports); | |
76343538 | 548 | } |
52a90c29 | 549 | free(splinter_vlans); |
064af421 | 550 | |
2a73b1d7 BP |
551 | /* Start pushing configuration changes down to the ofproto layer: |
552 | * | |
553 | * - Delete ofprotos that are no longer configured. | |
554 | * | |
555 | * - Delete ports that are no longer configured. | |
556 | * | |
557 | * - Reconfigure existing ports to their desired configurations, or | |
558 | * delete them if not possible. | |
559 | * | |
560 | * We have to do all the deletions before we can do any additions, because | |
561 | * the ports to be added might require resources that will be freed up by | |
562 | * deletions (they might especially overlap in name). */ | |
563 | bridge_delete_ofprotos(); | |
bae7208e | 564 | HMAP_FOR_EACH (br, node, &all_bridges) { |
2a73b1d7 BP |
565 | if (br->ofproto) { |
566 | bridge_delete_or_reconfigure_ports(br); | |
76343538 | 567 | } |
064af421 | 568 | } |
35a22d8c | 569 | |
2a73b1d7 BP |
570 | /* Finish pushing configuration changes to the ofproto layer: |
571 | * | |
572 | * - Create ofprotos that are missing. | |
573 | * | |
574 | * - Add ports that are missing. */ | |
575 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
576 | if (!br->ofproto) { | |
577 | int error; | |
bae7208e | 578 | |
2a73b1d7 BP |
579 | error = ofproto_create(br->name, br->type, &br->ofproto); |
580 | if (error) { | |
581 | VLOG_ERR("failed to create bridge %s: %s", br->name, | |
582 | ovs_strerror(error)); | |
583 | shash_destroy(&br->wanted_ports); | |
584 | bridge_destroy(br); | |
e56365a5 | 585 | } |
064af421 BP |
586 | } |
587 | } | |
e8192d80 | 588 | HMAP_FOR_EACH (br, node, &all_bridges) { |
2a73b1d7 BP |
589 | bridge_add_ports(br, &br->wanted_ports); |
590 | shash_destroy(&br->wanted_ports); | |
064af421 | 591 | } |
064af421 | 592 | |
2a73b1d7 | 593 | reconfigure_system_stats(ovs_cfg); |
bae7208e | 594 | |
66da9bef BP |
595 | /* Complete the configuration. */ |
596 | sflow_bridge_number = 0; | |
597 | collect_in_band_managers(ovs_cfg, &managers, &n_managers); | |
764072fd | 598 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 599 | struct port *port; |
064af421 | 600 | |
f145afdc BP |
601 | /* We need the datapath ID early to allow LACP ports to use it as the |
602 | * default system ID. */ | |
603 | bridge_configure_datapath_id(br); | |
604 | ||
8052fb14 | 605 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 606 | struct iface *iface; |
52df17e7 | 607 | |
fa066f01 | 608 | port_configure(port); |
c1c9c9c4 | 609 | |
48e1b7fb | 610 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
59804c80 | 611 | iface_set_ofport(iface->cfg, iface->ofp_port); |
bbe6109d TG |
612 | /* Clear eventual previous errors */ |
613 | ovsrec_interface_set_error(iface->cfg, NULL); | |
66da9bef BP |
614 | iface_configure_cfm(iface); |
615 | iface_configure_qos(iface, port->cfg->qos); | |
21a955fc | 616 | iface_set_mac(br, port, iface); |
ccc09689 EJ |
617 | ofproto_port_set_bfd(br->ofproto, iface->ofp_port, |
618 | &iface->cfg->bfd); | |
064af421 BP |
619 | } |
620 | } | |
fa066f01 | 621 | bridge_configure_mirrors(br); |
8402c74b | 622 | bridge_configure_forward_bpdu(br); |
c4069512 | 623 | bridge_configure_mac_table(br); |
dc2b70ba | 624 | bridge_configure_mcast_snooping(br); |
fa066f01 | 625 | bridge_configure_remotes(br, managers, n_managers); |
66da9bef BP |
626 | bridge_configure_netflow(br); |
627 | bridge_configure_sflow(br, &sflow_bridge_number); | |
29089a54 | 628 | bridge_configure_ipfix(br); |
21f7563c | 629 | bridge_configure_stp(br); |
254750ce | 630 | bridge_configure_tables(br); |
8b6ff729 | 631 | bridge_configure_dp_desc(br); |
064af421 | 632 | } |
66da9bef | 633 | free(managers); |
aeed7879 BP |
634 | |
635 | /* The ofproto-dpif provider does some final reconfiguration in its | |
636 | * ->type_run() function. We have to call it before notifying the database | |
637 | * client that reconfiguration is complete, otherwise there is a very | |
638 | * narrow race window in which e.g. ofproto/trace will not recognize the | |
639 | * new configuration (sometimes this causes unit test failures). */ | |
640 | bridge_run__(); | |
66da9bef | 641 | } |
064af421 | 642 | |
bae7208e EJ |
643 | /* Delete ofprotos which aren't configured or have the wrong type. Create |
644 | * ofprotos which don't exist but need to. */ | |
66da9bef | 645 | static void |
2a73b1d7 | 646 | bridge_delete_ofprotos(void) |
66da9bef | 647 | { |
2a73b1d7 | 648 | struct bridge *br; |
f79e673f BP |
649 | struct sset names; |
650 | struct sset types; | |
66da9bef | 651 | const char *type; |
6c88d577 | 652 | |
bae7208e | 653 | /* Delete ofprotos with no bridge or with the wrong type. */ |
f79e673f BP |
654 | sset_init(&names); |
655 | sset_init(&types); | |
656 | ofproto_enumerate_types(&types); | |
657 | SSET_FOR_EACH (type, &types) { | |
66da9bef | 658 | const char *name; |
3a6ccc8c | 659 | |
f79e673f BP |
660 | ofproto_enumerate_names(type, &names); |
661 | SSET_FOR_EACH (name, &names) { | |
bae7208e | 662 | br = bridge_lookup(name); |
66da9bef | 663 | if (!br || strcmp(type, br->type)) { |
f79e673f | 664 | ofproto_delete(name, type); |
3a6ccc8c | 665 | } |
b31bcf60 EJ |
666 | } |
667 | } | |
f79e673f BP |
668 | sset_destroy(&names); |
669 | sset_destroy(&types); | |
2a73b1d7 | 670 | } |
76343538 | 671 | |
2a73b1d7 BP |
672 | static ofp_port_t * |
673 | add_ofp_port(ofp_port_t port, ofp_port_t *ports, size_t *n, size_t *allocated) | |
674 | { | |
675 | if (*n >= *allocated) { | |
676 | ports = x2nrealloc(ports, allocated, sizeof *ports); | |
677 | } | |
678 | ports[(*n)++] = port; | |
679 | return ports; | |
680 | } | |
bae7208e | 681 | |
2a73b1d7 BP |
682 | static void |
683 | bridge_delete_or_reconfigure_ports(struct bridge *br) | |
684 | { | |
685 | struct ofproto_port ofproto_port; | |
686 | struct ofproto_port_dump dump; | |
687 | ||
96be8de5 BP |
688 | struct sset ofproto_ports; |
689 | struct port *port, *port_next; | |
690 | ||
2a73b1d7 BP |
691 | /* List of "ofp_port"s to delete. We make a list instead of deleting them |
692 | * right away because ofproto implementations aren't necessarily able to | |
693 | * iterate through a changing list of ports in an entirely robust way. */ | |
694 | ofp_port_t *del; | |
695 | size_t n, allocated; | |
696 | size_t i; | |
697 | ||
698 | del = NULL; | |
699 | n = allocated = 0; | |
96be8de5 | 700 | sset_init(&ofproto_ports); |
bae7208e | 701 | |
96be8de5 BP |
702 | /* Main task: Iterate over the ports in 'br->ofproto' and remove the ports |
703 | * that are not configured in the database. (This commonly happens when | |
704 | * ports have been deleted, e.g. with "ovs-vsctl del-port".) | |
705 | * | |
706 | * Side tasks: Reconfigure the ports that are still in 'br'. Delete ports | |
707 | * that have the wrong OpenFlow port number (and arrange to add them back | |
708 | * with the correct OpenFlow port number). */ | |
2a73b1d7 | 709 | OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) { |
4abb8608 | 710 | ofp_port_t requested_ofp_port; |
2a73b1d7 | 711 | struct iface *iface; |
bae7208e | 712 | |
96be8de5 BP |
713 | sset_add(&ofproto_ports, ofproto_port.name); |
714 | ||
2a73b1d7 BP |
715 | iface = iface_lookup(br, ofproto_port.name); |
716 | if (!iface) { | |
717 | /* No such iface is configured, so we should delete this | |
718 | * ofproto_port. | |
719 | * | |
720 | * As a corner case exception, keep the port if it's a bond fake | |
721 | * interface. */ | |
722 | if (bridge_has_bond_fake_iface(br, ofproto_port.name) | |
723 | && !strcmp(ofproto_port.type, "internal")) { | |
bae7208e EJ |
724 | continue; |
725 | } | |
2a73b1d7 BP |
726 | goto delete; |
727 | } | |
bae7208e | 728 | |
2a73b1d7 | 729 | if (strcmp(ofproto_port.type, iface->type) |
bbe6109d | 730 | || netdev_set_config(iface->netdev, &iface->cfg->options, NULL)) { |
2a73b1d7 BP |
731 | /* The interface is the wrong type or can't be configured. |
732 | * Delete it. */ | |
733 | goto delete; | |
bae7208e EJ |
734 | } |
735 | ||
4abb8608 BP |
736 | /* If the requested OpenFlow port for 'iface' changed, and it's not |
737 | * already the correct port, then we might want to temporarily delete | |
738 | * this interface, so we can add it back again with the new OpenFlow | |
739 | * port number. */ | |
740 | requested_ofp_port = iface_get_requested_ofp_port(iface->cfg); | |
741 | if (iface->ofp_port != OFPP_LOCAL && | |
742 | requested_ofp_port != OFPP_NONE && | |
743 | requested_ofp_port != iface->ofp_port) { | |
744 | ofp_port_t victim_request; | |
745 | struct iface *victim; | |
746 | ||
747 | /* Check for an existing OpenFlow port currently occupying | |
748 | * 'iface''s requested port number. If there isn't one, then | |
749 | * delete this port. Otherwise we need to consider further. */ | |
750 | victim = iface_from_ofp_port(br, requested_ofp_port); | |
751 | if (!victim) { | |
752 | goto delete; | |
753 | } | |
754 | ||
755 | /* 'victim' is a port currently using 'iface''s requested port | |
756 | * number. Unless 'victim' specifically requested that port | |
757 | * number, too, then we can delete both 'iface' and 'victim' | |
758 | * temporarily. (We'll add both of them back again later with new | |
759 | * OpenFlow port numbers.) | |
760 | * | |
761 | * If 'victim' did request port number 'requested_ofp_port', just | |
762 | * like 'iface', then that's a configuration inconsistency that we | |
763 | * can't resolve. We might as well let it keep its current port | |
764 | * number. */ | |
765 | victim_request = iface_get_requested_ofp_port(victim->cfg); | |
766 | if (victim_request != requested_ofp_port) { | |
767 | del = add_ofp_port(victim->ofp_port, del, &n, &allocated); | |
768 | iface_destroy(victim); | |
769 | goto delete; | |
770 | } | |
771 | } | |
772 | ||
2a73b1d7 BP |
773 | /* Keep it. */ |
774 | continue; | |
775 | ||
776 | delete: | |
777 | iface_destroy(iface); | |
778 | del = add_ofp_port(ofproto_port.ofp_port, del, &n, &allocated); | |
779 | } | |
2a73b1d7 BP |
780 | for (i = 0; i < n; i++) { |
781 | ofproto_port_del(br->ofproto, del[i]); | |
782 | } | |
783 | free(del); | |
96be8de5 BP |
784 | |
785 | /* Iterate over this module's idea of interfaces in 'br'. Remove any ports | |
786 | * that we didn't see when we iterated through the datapath, i.e. ports | |
787 | * that disappeared underneath use. This is an unusual situation, but it | |
788 | * can happen in some cases: | |
789 | * | |
790 | * - An admin runs a command like "ovs-dpctl del-port" (which is a bad | |
791 | * idea but could happen). | |
792 | * | |
793 | * - The port represented a device that disappeared, e.g. a tuntap | |
794 | * device destroyed via "tunctl -d", a physical Ethernet device | |
795 | * whose module was just unloaded via "rmmod", or a virtual NIC for a | |
796 | * VM whose VM was just terminated. */ | |
797 | HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) { | |
798 | struct iface *iface, *iface_next; | |
799 | ||
800 | LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) { | |
801 | if (!sset_contains(&ofproto_ports, iface->name)) { | |
802 | iface_destroy__(iface); | |
803 | } | |
804 | } | |
805 | ||
806 | if (list_is_empty(&port->ifaces)) { | |
807 | port_destroy(port); | |
808 | } | |
809 | } | |
810 | sset_destroy(&ofproto_ports); | |
2a73b1d7 BP |
811 | } |
812 | ||
813 | static void | |
4abb8608 BP |
814 | bridge_add_ports__(struct bridge *br, const struct shash *wanted_ports, |
815 | bool with_requested_port) | |
2a73b1d7 BP |
816 | { |
817 | struct shash_node *port_node; | |
818 | ||
819 | SHASH_FOR_EACH (port_node, wanted_ports) { | |
820 | const struct ovsrec_port *port_cfg = port_node->data; | |
821 | size_t i; | |
822 | ||
823 | for (i = 0; i < port_cfg->n_interfaces; i++) { | |
824 | const struct ovsrec_interface *iface_cfg = port_cfg->interfaces[i]; | |
4abb8608 BP |
825 | ofp_port_t requested_ofp_port; |
826 | ||
827 | requested_ofp_port = iface_get_requested_ofp_port(iface_cfg); | |
828 | if ((requested_ofp_port != OFPP_NONE) == with_requested_port) { | |
829 | struct iface *iface = iface_lookup(br, iface_cfg->name); | |
2a73b1d7 | 830 | |
4abb8608 BP |
831 | if (!iface) { |
832 | iface_create(br, iface_cfg, port_cfg); | |
833 | } | |
2a73b1d7 | 834 | } |
bae7208e | 835 | } |
66da9bef | 836 | } |
093e47f4 | 837 | } |
c3827f61 | 838 | |
4abb8608 BP |
839 | static void |
840 | bridge_add_ports(struct bridge *br, const struct shash *wanted_ports) | |
841 | { | |
842 | /* First add interfaces that request a particular port number. */ | |
843 | bridge_add_ports__(br, wanted_ports, true); | |
844 | ||
845 | /* Then add interfaces that want automatic port number assignment. | |
846 | * We add these afterward to avoid accidentally taking a specifically | |
847 | * requested port number. */ | |
848 | bridge_add_ports__(br, wanted_ports, false); | |
849 | } | |
850 | ||
fa066f01 BP |
851 | static void |
852 | port_configure(struct port *port) | |
853 | { | |
854 | const struct ovsrec_port *cfg = port->cfg; | |
855 | struct bond_settings bond_settings; | |
856 | struct lacp_settings lacp_settings; | |
857 | struct ofproto_bundle_settings s; | |
858 | struct iface *iface; | |
82057f51 | 859 | |
52a90c29 BP |
860 | if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) { |
861 | configure_splinter_port(port); | |
862 | return; | |
863 | } | |
864 | ||
fa066f01 BP |
865 | /* Get name. */ |
866 | s.name = port->name; | |
3a6ccc8c | 867 | |
fa066f01 BP |
868 | /* Get slaves. */ |
869 | s.n_slaves = 0; | |
870 | s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves); | |
871 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
892815f5 | 872 | s.slaves[s.n_slaves++] = iface->ofp_port; |
fa066f01 | 873 | } |
c3827f61 | 874 | |
fa066f01 BP |
875 | /* Get VLAN tag. */ |
876 | s.vlan = -1; | |
acaf1486 BP |
877 | if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) { |
878 | s.vlan = *cfg->tag; | |
fa066f01 | 879 | } |
b0ec0f27 | 880 | |
fa066f01 BP |
881 | /* Get VLAN trunks. */ |
882 | s.trunks = NULL; | |
ecac4ebf | 883 | if (cfg->n_trunks) { |
fa066f01 | 884 | s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks); |
ecac4ebf BP |
885 | } |
886 | ||
887 | /* Get VLAN mode. */ | |
888 | if (cfg->vlan_mode) { | |
889 | if (!strcmp(cfg->vlan_mode, "access")) { | |
890 | s.vlan_mode = PORT_VLAN_ACCESS; | |
891 | } else if (!strcmp(cfg->vlan_mode, "trunk")) { | |
892 | s.vlan_mode = PORT_VLAN_TRUNK; | |
893 | } else if (!strcmp(cfg->vlan_mode, "native-tagged")) { | |
894 | s.vlan_mode = PORT_VLAN_NATIVE_TAGGED; | |
895 | } else if (!strcmp(cfg->vlan_mode, "native-untagged")) { | |
896 | s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED; | |
897 | } else { | |
898 | /* This "can't happen" because ovsdb-server should prevent it. */ | |
65a0903b TG |
899 | VLOG_WARN("port %s: unknown VLAN mode %s, falling " |
900 | "back to trunk mode", port->name, cfg->vlan_mode); | |
ecac4ebf BP |
901 | s.vlan_mode = PORT_VLAN_TRUNK; |
902 | } | |
903 | } else { | |
904 | if (s.vlan >= 0) { | |
905 | s.vlan_mode = PORT_VLAN_ACCESS; | |
906 | if (cfg->n_trunks) { | |
65a0903b TG |
907 | VLOG_WARN("port %s: ignoring trunks in favor of implicit vlan", |
908 | port->name); | |
ecac4ebf BP |
909 | } |
910 | } else { | |
911 | s.vlan_mode = PORT_VLAN_TRUNK; | |
912 | } | |
064af421 | 913 | } |
a699f614 EJ |
914 | s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags", |
915 | false); | |
064af421 | 916 | |
fa066f01 BP |
917 | /* Get LACP settings. */ |
918 | s.lacp = port_configure_lacp(port, &lacp_settings); | |
919 | if (s.lacp) { | |
920 | size_t i = 0; | |
064af421 | 921 | |
fa066f01 BP |
922 | s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves); |
923 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
924 | iface_configure_lacp(iface, &s.lacp_slaves[i++]); | |
064af421 | 925 | } |
fa066f01 BP |
926 | } else { |
927 | s.lacp_slaves = NULL; | |
928 | } | |
064af421 | 929 | |
fa066f01 BP |
930 | /* Get bond settings. */ |
931 | if (s.n_slaves > 1) { | |
fa066f01 | 932 | s.bond = &bond_settings; |
df53d41c | 933 | port_configure_bond(port, &bond_settings); |
fa066f01 BP |
934 | } else { |
935 | s.bond = NULL; | |
1670c579 EJ |
936 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
937 | netdev_set_miimon_interval(iface->netdev, 0); | |
938 | } | |
fa066f01 | 939 | } |
093e47f4 | 940 | |
fa066f01 BP |
941 | /* Register. */ |
942 | ofproto_bundle_register(port->bridge->ofproto, port, &s); | |
76343538 | 943 | |
fa066f01 | 944 | /* Clean up. */ |
4e51de4c | 945 | free(s.slaves); |
fa066f01 BP |
946 | free(s.trunks); |
947 | free(s.lacp_slaves); | |
948 | } | |
76343538 | 949 | |
6f90b8f4 BP |
950 | /* Pick local port hardware address and datapath ID for 'br'. */ |
951 | static void | |
952 | bridge_configure_datapath_id(struct bridge *br) | |
953 | { | |
954 | uint8_t ea[ETH_ADDR_LEN]; | |
955 | uint64_t dpid; | |
956 | struct iface *local_iface; | |
957 | struct iface *hw_addr_iface; | |
958 | char *dpid_string; | |
76343538 | 959 | |
6f90b8f4 | 960 | bridge_pick_local_hw_addr(br, ea, &hw_addr_iface); |
892815f5 | 961 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
6f90b8f4 BP |
962 | if (local_iface) { |
963 | int error = netdev_set_etheraddr(local_iface->netdev, ea); | |
964 | if (error) { | |
965 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
966 | VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge " | |
967 | "Ethernet address: %s", | |
10a89ef0 | 968 | br->name, ovs_strerror(error)); |
6f90b8f4 BP |
969 | } |
970 | } | |
971 | memcpy(br->ea, ea, ETH_ADDR_LEN); | |
76343538 | 972 | |
6f90b8f4 | 973 | dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface); |
e825ace2 BP |
974 | if (dpid != ofproto_get_datapath_id(br->ofproto)) { |
975 | VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid); | |
976 | ofproto_set_datapath_id(br->ofproto, dpid); | |
977 | } | |
76343538 | 978 | |
6f90b8f4 BP |
979 | dpid_string = xasprintf("%016"PRIx64, dpid); |
980 | ovsrec_bridge_set_datapath_id(br->cfg, dpid_string); | |
981 | free(dpid_string); | |
982 | } | |
064af421 | 983 | |
7beaa082 SH |
984 | /* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with |
985 | * 'br'. */ | |
986 | static uint32_t | |
987 | bridge_get_allowed_versions(struct bridge *br) | |
988 | { | |
989 | if (!br->cfg->n_protocols) | |
990 | return 0; | |
991 | ||
aa233d57 BP |
992 | return ofputil_versions_from_strings(br->cfg->protocols, |
993 | br->cfg->n_protocols); | |
7beaa082 SH |
994 | } |
995 | ||
6f90b8f4 BP |
996 | /* Set NetFlow configuration on 'br'. */ |
997 | static void | |
998 | bridge_configure_netflow(struct bridge *br) | |
999 | { | |
1000 | struct ovsrec_netflow *cfg = br->cfg->netflow; | |
1001 | struct netflow_options opts; | |
72b06300 | 1002 | |
6f90b8f4 BP |
1003 | if (!cfg) { |
1004 | ofproto_set_netflow(br->ofproto, NULL); | |
1005 | return; | |
1006 | } | |
a4af0040 | 1007 | |
6f90b8f4 | 1008 | memset(&opts, 0, sizeof opts); |
72b06300 | 1009 | |
6f90b8f4 BP |
1010 | /* Get default NetFlow configuration from datapath. |
1011 | * Apply overrides from 'cfg'. */ | |
1012 | ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id); | |
1013 | if (cfg->engine_type) { | |
1014 | opts.engine_type = *cfg->engine_type; | |
1015 | } | |
1016 | if (cfg->engine_id) { | |
1017 | opts.engine_id = *cfg->engine_id; | |
1018 | } | |
72b06300 | 1019 | |
6f90b8f4 BP |
1020 | /* Configure active timeout interval. */ |
1021 | opts.active_timeout = cfg->active_timeout; | |
1022 | if (!opts.active_timeout) { | |
1023 | opts.active_timeout = -1; | |
1024 | } else if (opts.active_timeout < 0) { | |
1025 | VLOG_WARN("bridge %s: active timeout interval set to negative " | |
1026 | "value, using default instead (%d seconds)", br->name, | |
1027 | NF_ACTIVE_TIMEOUT_DEFAULT); | |
1028 | opts.active_timeout = -1; | |
1029 | } | |
72b06300 | 1030 | |
6f90b8f4 BP |
1031 | /* Add engine ID to interface number to disambiguate bridgs? */ |
1032 | opts.add_id_to_iface = cfg->add_id_to_interface; | |
1033 | if (opts.add_id_to_iface) { | |
1034 | if (opts.engine_id > 0x7f) { | |
1035 | VLOG_WARN("bridge %s: NetFlow port mangling may conflict with " | |
1036 | "another vswitch, choose an engine id less than 128", | |
1037 | br->name); | |
1038 | } | |
1039 | if (hmap_count(&br->ports) > 508) { | |
1040 | VLOG_WARN("bridge %s: NetFlow port mangling will conflict with " | |
1041 | "another port when more than 508 ports are used", | |
1042 | br->name); | |
1043 | } | |
1044 | } | |
72b06300 | 1045 | |
6f90b8f4 BP |
1046 | /* Collectors. */ |
1047 | sset_init(&opts.collectors); | |
1048 | sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets); | |
a4af0040 | 1049 | |
6f90b8f4 BP |
1050 | /* Configure. */ |
1051 | if (ofproto_set_netflow(br->ofproto, &opts)) { | |
1052 | VLOG_ERR("bridge %s: problem setting netflow collectors", br->name); | |
1053 | } | |
1054 | sset_destroy(&opts.collectors); | |
1055 | } | |
72b06300 | 1056 | |
6f90b8f4 BP |
1057 | /* Set sFlow configuration on 'br'. */ |
1058 | static void | |
1059 | bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number) | |
1060 | { | |
1061 | const struct ovsrec_sflow *cfg = br->cfg->sflow; | |
1062 | struct ovsrec_controller **controllers; | |
1063 | struct ofproto_sflow_options oso; | |
1064 | size_t n_controllers; | |
1065 | size_t i; | |
72b06300 | 1066 | |
6f90b8f4 BP |
1067 | if (!cfg) { |
1068 | ofproto_set_sflow(br->ofproto, NULL); | |
1069 | return; | |
064af421 | 1070 | } |
8052fb14 | 1071 | |
6f90b8f4 | 1072 | memset(&oso, 0, sizeof oso); |
52df17e7 | 1073 | |
6f90b8f4 BP |
1074 | sset_init(&oso.targets); |
1075 | sset_add_array(&oso.targets, cfg->targets, cfg->n_targets); | |
c1c9c9c4 | 1076 | |
6f90b8f4 BP |
1077 | oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; |
1078 | if (cfg->sampling) { | |
1079 | oso.sampling_rate = *cfg->sampling; | |
064af421 | 1080 | } |
6f90b8f4 BP |
1081 | |
1082 | oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL; | |
1083 | if (cfg->polling) { | |
1084 | oso.polling_interval = *cfg->polling; | |
064af421 | 1085 | } |
093e47f4 | 1086 | |
6f90b8f4 BP |
1087 | oso.header_len = SFL_DEFAULT_HEADER_SIZE; |
1088 | if (cfg->header) { | |
1089 | oso.header_len = *cfg->header; | |
1090 | } | |
392730c4 | 1091 | |
6f90b8f4 BP |
1092 | oso.sub_id = (*sflow_bridge_number)++; |
1093 | oso.agent_device = cfg->agent; | |
392730c4 | 1094 | |
6f90b8f4 BP |
1095 | oso.control_ip = NULL; |
1096 | n_controllers = bridge_get_controllers(br, &controllers); | |
1097 | for (i = 0; i < n_controllers; i++) { | |
1098 | if (controllers[i]->local_ip) { | |
1099 | oso.control_ip = controllers[i]->local_ip; | |
1100 | break; | |
b31bcf60 EJ |
1101 | } |
1102 | } | |
6f90b8f4 | 1103 | ofproto_set_sflow(br->ofproto, &oso); |
b31bcf60 | 1104 | |
6f90b8f4 BP |
1105 | sset_destroy(&oso.targets); |
1106 | } | |
a7ff9bd7 | 1107 | |
88afd5fc RL |
1108 | /* Returns whether a IPFIX row is valid. */ |
1109 | static bool | |
1110 | ovsrec_ipfix_is_valid(const struct ovsrec_ipfix *ipfix) | |
1111 | { | |
1112 | return ipfix && ipfix->n_targets > 0; | |
1113 | } | |
1114 | ||
3388e51a RL |
1115 | /* Returns whether a Flow_Sample_Collector_Set row is valid. */ |
1116 | static bool | |
1117 | ovsrec_fscs_is_valid(const struct ovsrec_flow_sample_collector_set *fscs, | |
1118 | const struct bridge *br) | |
1119 | { | |
88afd5fc | 1120 | return ovsrec_ipfix_is_valid(fscs->ipfix) && fscs->bridge == br->cfg; |
3388e51a RL |
1121 | } |
1122 | ||
29089a54 RL |
1123 | /* Set IPFIX configuration on 'br'. */ |
1124 | static void | |
1125 | bridge_configure_ipfix(struct bridge *br) | |
1126 | { | |
1127 | const struct ovsrec_ipfix *be_cfg = br->cfg->ipfix; | |
88afd5fc | 1128 | bool valid_be_cfg = ovsrec_ipfix_is_valid(be_cfg); |
29089a54 RL |
1129 | const struct ovsrec_flow_sample_collector_set *fe_cfg; |
1130 | struct ofproto_ipfix_bridge_exporter_options be_opts; | |
1131 | struct ofproto_ipfix_flow_exporter_options *fe_opts = NULL; | |
1132 | size_t n_fe_opts = 0; | |
1133 | ||
1134 | OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) { | |
3388e51a | 1135 | if (ovsrec_fscs_is_valid(fe_cfg, br)) { |
29089a54 RL |
1136 | n_fe_opts++; |
1137 | } | |
1138 | } | |
1139 | ||
88afd5fc | 1140 | if (!valid_be_cfg && n_fe_opts == 0) { |
29089a54 RL |
1141 | ofproto_set_ipfix(br->ofproto, NULL, NULL, 0); |
1142 | return; | |
1143 | } | |
1144 | ||
88afd5fc | 1145 | if (valid_be_cfg) { |
29089a54 RL |
1146 | memset(&be_opts, 0, sizeof be_opts); |
1147 | ||
1148 | sset_init(&be_opts.targets); | |
1149 | sset_add_array(&be_opts.targets, be_cfg->targets, be_cfg->n_targets); | |
1150 | ||
1151 | if (be_cfg->sampling) { | |
1152 | be_opts.sampling_rate = *be_cfg->sampling; | |
1153 | } else { | |
1154 | be_opts.sampling_rate = SFL_DEFAULT_SAMPLING_RATE; | |
1155 | } | |
1156 | if (be_cfg->obs_domain_id) { | |
1157 | be_opts.obs_domain_id = *be_cfg->obs_domain_id; | |
1158 | } | |
1159 | if (be_cfg->obs_point_id) { | |
1160 | be_opts.obs_point_id = *be_cfg->obs_point_id; | |
1161 | } | |
978427a5 RL |
1162 | if (be_cfg->cache_active_timeout) { |
1163 | be_opts.cache_active_timeout = *be_cfg->cache_active_timeout; | |
1164 | } | |
1165 | if (be_cfg->cache_max_flows) { | |
1166 | be_opts.cache_max_flows = *be_cfg->cache_max_flows; | |
1167 | } | |
29089a54 RL |
1168 | } |
1169 | ||
1170 | if (n_fe_opts > 0) { | |
1171 | struct ofproto_ipfix_flow_exporter_options *opts; | |
1172 | fe_opts = xcalloc(n_fe_opts, sizeof *fe_opts); | |
1173 | opts = fe_opts; | |
1174 | OVSREC_FLOW_SAMPLE_COLLECTOR_SET_FOR_EACH(fe_cfg, idl) { | |
3388e51a | 1175 | if (ovsrec_fscs_is_valid(fe_cfg, br)) { |
29089a54 RL |
1176 | opts->collector_set_id = fe_cfg->id; |
1177 | sset_init(&opts->targets); | |
1178 | sset_add_array(&opts->targets, fe_cfg->ipfix->targets, | |
1179 | fe_cfg->ipfix->n_targets); | |
978427a5 RL |
1180 | opts->cache_active_timeout = fe_cfg->ipfix->cache_active_timeout |
1181 | ? *fe_cfg->ipfix->cache_active_timeout : 0; | |
1182 | opts->cache_max_flows = fe_cfg->ipfix->cache_max_flows | |
1183 | ? *fe_cfg->ipfix->cache_max_flows : 0; | |
29089a54 RL |
1184 | opts++; |
1185 | } | |
1186 | } | |
1187 | } | |
1188 | ||
88afd5fc | 1189 | ofproto_set_ipfix(br->ofproto, valid_be_cfg ? &be_opts : NULL, fe_opts, |
29089a54 RL |
1190 | n_fe_opts); |
1191 | ||
88afd5fc | 1192 | if (valid_be_cfg) { |
29089a54 RL |
1193 | sset_destroy(&be_opts.targets); |
1194 | } | |
1195 | ||
1196 | if (n_fe_opts > 0) { | |
1197 | struct ofproto_ipfix_flow_exporter_options *opts = fe_opts; | |
1198 | size_t i; | |
1199 | for (i = 0; i < n_fe_opts; i++) { | |
1200 | sset_destroy(&opts->targets); | |
1201 | opts++; | |
1202 | } | |
1203 | free(fe_opts); | |
1204 | } | |
1205 | } | |
1206 | ||
21f7563c JP |
1207 | static void |
1208 | port_configure_stp(const struct ofproto *ofproto, struct port *port, | |
1209 | struct ofproto_port_stp_settings *port_s, | |
1210 | int *port_num_counter, unsigned long *port_num_bitmap) | |
1211 | { | |
1212 | const char *config_str; | |
1213 | struct iface *iface; | |
1214 | ||
079b5942 | 1215 | if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) { |
21f7563c JP |
1216 | port_s->enable = false; |
1217 | return; | |
1218 | } else { | |
1219 | port_s->enable = true; | |
1220 | } | |
1221 | ||
1222 | /* STP over bonds is not supported. */ | |
1223 | if (!list_is_singleton(&port->ifaces)) { | |
1224 | VLOG_ERR("port %s: cannot enable STP on bonds, disabling", | |
1225 | port->name); | |
1226 | port_s->enable = false; | |
1227 | return; | |
1228 | } | |
1229 | ||
1230 | iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem); | |
1231 | ||
1232 | /* Internal ports shouldn't participate in spanning tree, so | |
1233 | * skip them. */ | |
1234 | if (!strcmp(iface->type, "internal")) { | |
1235 | VLOG_DBG("port %s: disable STP on internal ports", port->name); | |
1236 | port_s->enable = false; | |
1237 | return; | |
1238 | } | |
1239 | ||
1240 | /* STP on mirror output ports is not supported. */ | |
1241 | if (ofproto_is_mirror_output_bundle(ofproto, port)) { | |
1242 | VLOG_DBG("port %s: disable STP on mirror ports", port->name); | |
1243 | port_s->enable = false; | |
1244 | return; | |
1245 | } | |
1246 | ||
a699f614 | 1247 | config_str = smap_get(&port->cfg->other_config, "stp-port-num"); |
21f7563c JP |
1248 | if (config_str) { |
1249 | unsigned long int port_num = strtoul(config_str, NULL, 0); | |
1250 | int port_idx = port_num - 1; | |
1251 | ||
1252 | if (port_num < 1 || port_num > STP_MAX_PORTS) { | |
1253 | VLOG_ERR("port %s: invalid stp-port-num", port->name); | |
1254 | port_s->enable = false; | |
1255 | return; | |
1256 | } | |
1257 | ||
1258 | if (bitmap_is_set(port_num_bitmap, port_idx)) { | |
1259 | VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling", | |
1260 | port->name, port_num); | |
1261 | port_s->enable = false; | |
1262 | return; | |
1263 | } | |
1264 | bitmap_set1(port_num_bitmap, port_idx); | |
1265 | port_s->port_num = port_idx; | |
1266 | } else { | |
6019f124 | 1267 | if (*port_num_counter >= STP_MAX_PORTS) { |
21f7563c JP |
1268 | VLOG_ERR("port %s: too many STP ports, disabling", port->name); |
1269 | port_s->enable = false; | |
1270 | return; | |
1271 | } | |
1272 | ||
1273 | port_s->port_num = (*port_num_counter)++; | |
1274 | } | |
1275 | ||
a699f614 | 1276 | config_str = smap_get(&port->cfg->other_config, "stp-path-cost"); |
21f7563c JP |
1277 | if (config_str) { |
1278 | port_s->path_cost = strtoul(config_str, NULL, 10); | |
1279 | } else { | |
6c038611 | 1280 | enum netdev_features current; |
d02a5f8e | 1281 | unsigned int mbps; |
21f7563c | 1282 | |
d02a5f8e BP |
1283 | netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); |
1284 | mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000; | |
1285 | port_s->path_cost = stp_convert_speed_to_cost(mbps); | |
21f7563c JP |
1286 | } |
1287 | ||
a699f614 | 1288 | config_str = smap_get(&port->cfg->other_config, "stp-port-priority"); |
21f7563c JP |
1289 | if (config_str) { |
1290 | port_s->priority = strtoul(config_str, NULL, 0); | |
1291 | } else { | |
1292 | port_s->priority = STP_DEFAULT_PORT_PRIORITY; | |
1293 | } | |
1294 | } | |
1295 | ||
1296 | /* Set spanning tree configuration on 'br'. */ | |
1297 | static void | |
1298 | bridge_configure_stp(struct bridge *br) | |
1299 | { | |
1300 | if (!br->cfg->stp_enable) { | |
1301 | ofproto_set_stp(br->ofproto, NULL); | |
1302 | } else { | |
1303 | struct ofproto_stp_settings br_s; | |
1304 | const char *config_str; | |
1305 | struct port *port; | |
1306 | int port_num_counter; | |
1307 | unsigned long *port_num_bitmap; | |
1308 | ||
a699f614 | 1309 | config_str = smap_get(&br->cfg->other_config, "stp-system-id"); |
21f7563c JP |
1310 | if (config_str) { |
1311 | uint8_t ea[ETH_ADDR_LEN]; | |
1312 | ||
1313 | if (eth_addr_from_string(config_str, ea)) { | |
1314 | br_s.system_id = eth_addr_to_uint64(ea); | |
1315 | } else { | |
1316 | br_s.system_id = eth_addr_to_uint64(br->ea); | |
1317 | VLOG_ERR("bridge %s: invalid stp-system-id, defaulting " | |
1318 | "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea)); | |
1319 | } | |
1320 | } else { | |
1321 | br_s.system_id = eth_addr_to_uint64(br->ea); | |
1322 | } | |
1323 | ||
a699f614 | 1324 | config_str = smap_get(&br->cfg->other_config, "stp-priority"); |
21f7563c JP |
1325 | if (config_str) { |
1326 | br_s.priority = strtoul(config_str, NULL, 0); | |
1327 | } else { | |
1328 | br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY; | |
1329 | } | |
1330 | ||
a699f614 | 1331 | config_str = smap_get(&br->cfg->other_config, "stp-hello-time"); |
21f7563c JP |
1332 | if (config_str) { |
1333 | br_s.hello_time = strtoul(config_str, NULL, 10) * 1000; | |
1334 | } else { | |
1335 | br_s.hello_time = STP_DEFAULT_HELLO_TIME; | |
1336 | } | |
1337 | ||
a699f614 | 1338 | config_str = smap_get(&br->cfg->other_config, "stp-max-age"); |
21f7563c JP |
1339 | if (config_str) { |
1340 | br_s.max_age = strtoul(config_str, NULL, 10) * 1000; | |
1341 | } else { | |
1342 | br_s.max_age = STP_DEFAULT_MAX_AGE; | |
1343 | } | |
1344 | ||
a699f614 | 1345 | config_str = smap_get(&br->cfg->other_config, "stp-forward-delay"); |
21f7563c JP |
1346 | if (config_str) { |
1347 | br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000; | |
1348 | } else { | |
1349 | br_s.fwd_delay = STP_DEFAULT_FWD_DELAY; | |
1350 | } | |
1351 | ||
1352 | /* Configure STP on the bridge. */ | |
1353 | if (ofproto_set_stp(br->ofproto, &br_s)) { | |
1354 | VLOG_ERR("bridge %s: could not enable STP", br->name); | |
1355 | return; | |
1356 | } | |
1357 | ||
1358 | /* Users must either set the port number with the "stp-port-num" | |
1359 | * configuration on all ports or none. If manual configuration | |
1360 | * is not done, then we allocate them sequentially. */ | |
1361 | port_num_counter = 0; | |
1362 | port_num_bitmap = bitmap_allocate(STP_MAX_PORTS); | |
1363 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1364 | struct ofproto_port_stp_settings port_s; | |
1365 | struct iface *iface; | |
1366 | ||
1367 | port_configure_stp(br->ofproto, port, &port_s, | |
1368 | &port_num_counter, port_num_bitmap); | |
1369 | ||
1370 | /* As bonds are not supported, just apply configuration to | |
1371 | * all interfaces. */ | |
1372 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
1373 | if (ofproto_port_set_stp(br->ofproto, iface->ofp_port, | |
1374 | &port_s)) { | |
1375 | VLOG_ERR("port %s: could not enable STP", port->name); | |
1376 | continue; | |
1377 | } | |
1378 | } | |
1379 | } | |
1380 | ||
b71273f6 | 1381 | if (bitmap_scan(port_num_bitmap, 1, 0, STP_MAX_PORTS) != STP_MAX_PORTS |
21f7563c JP |
1382 | && port_num_counter) { |
1383 | VLOG_ERR("bridge %s: must manually configure all STP port " | |
1384 | "IDs or none, disabling", br->name); | |
1385 | ofproto_set_stp(br->ofproto, NULL); | |
1386 | } | |
1387 | bitmap_free(port_num_bitmap); | |
1388 | } | |
1389 | } | |
1390 | ||
e8192d80 BP |
1391 | static bool |
1392 | bridge_has_bond_fake_iface(const struct bridge *br, const char *name) | |
1393 | { | |
1394 | const struct port *port = port_lookup(br, name); | |
1395 | return port && port_is_bond_fake_iface(port); | |
093e47f4 BP |
1396 | } |
1397 | ||
e8192d80 BP |
1398 | static bool |
1399 | port_is_bond_fake_iface(const struct port *port) | |
093e47f4 | 1400 | { |
e8192d80 BP |
1401 | return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces); |
1402 | } | |
093e47f4 | 1403 | |
66da9bef BP |
1404 | static void |
1405 | add_del_bridges(const struct ovsrec_open_vswitch *cfg) | |
1406 | { | |
1407 | struct bridge *br, *next; | |
1408 | struct shash new_br; | |
1409 | size_t i; | |
1410 | ||
1411 | /* Collect new bridges' names and types. */ | |
1412 | shash_init(&new_br); | |
1413 | for (i = 0; i < cfg->n_bridges; i++) { | |
5af5b532 | 1414 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); |
66da9bef | 1415 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; |
5af5b532 BP |
1416 | |
1417 | if (strchr(br_cfg->name, '/')) { | |
1418 | /* Prevent remote ovsdb-server users from accessing arbitrary | |
1419 | * directories, e.g. consider a bridge named "../../../etc/". */ | |
1420 | VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"", | |
1421 | br_cfg->name); | |
1422 | } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) { | |
1423 | VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name); | |
66da9bef BP |
1424 | } |
1425 | } | |
1426 | ||
1427 | /* Get rid of deleted bridges or those whose types have changed. | |
1428 | * Update 'cfg' of bridges that still exist. */ | |
1429 | HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) { | |
1430 | br->cfg = shash_find_data(&new_br, br->name); | |
f79e673f BP |
1431 | if (!br->cfg || strcmp(br->type, ofproto_normalize_type( |
1432 | br->cfg->datapath_type))) { | |
66da9bef BP |
1433 | bridge_destroy(br); |
1434 | } | |
1435 | } | |
1436 | ||
1437 | /* Add new bridges. */ | |
1438 | for (i = 0; i < cfg->n_bridges; i++) { | |
1439 | const struct ovsrec_bridge *br_cfg = cfg->bridges[i]; | |
1440 | struct bridge *br = bridge_lookup(br_cfg->name); | |
1441 | if (!br) { | |
1442 | bridge_create(br_cfg); | |
1443 | } | |
1444 | } | |
1445 | ||
1446 | shash_destroy(&new_br); | |
1447 | } | |
1448 | ||
2a485ee8 BP |
1449 | /* Configures 'netdev' based on the "options" column in 'iface_cfg'. |
1450 | * Returns 0 if successful, otherwise a positive errno value. */ | |
1451 | static int | |
1452 | iface_set_netdev_config(const struct ovsrec_interface *iface_cfg, | |
bbe6109d | 1453 | struct netdev *netdev, char **errp) |
2a485ee8 | 1454 | { |
bbe6109d | 1455 | return netdev_set_config(netdev, &iface_cfg->options, errp); |
2a485ee8 BP |
1456 | } |
1457 | ||
fb2ec1e9 YT |
1458 | /* Opens a network device for 'if_cfg' and configures it. Adds the network |
1459 | * device to br->ofproto and stores the OpenFlow port number in '*ofp_portp'. | |
cc086465 BP |
1460 | * |
1461 | * If successful, returns 0 and stores the network device in '*netdevp'. On | |
1462 | * failure, returns a positive errno value and stores NULL in '*netdevp'. */ | |
1463 | static int | |
1464 | iface_do_create(const struct bridge *br, | |
2a73b1d7 BP |
1465 | const struct ovsrec_interface *iface_cfg, |
1466 | const struct ovsrec_port *port_cfg, | |
bbe6109d TG |
1467 | ofp_port_t *ofp_portp, struct netdev **netdevp, |
1468 | char **errp) | |
cc086465 | 1469 | { |
2291eb08 | 1470 | struct netdev *netdev = NULL; |
cc086465 BP |
1471 | int error; |
1472 | ||
94a53842 AW |
1473 | if (netdev_is_reserved_name(iface_cfg->name)) { |
1474 | VLOG_WARN("could not create interface %s, name is reserved", | |
1475 | iface_cfg->name); | |
1476 | error = EINVAL; | |
1477 | goto error; | |
1478 | } | |
1479 | ||
cc086465 BP |
1480 | error = netdev_open(iface_cfg->name, |
1481 | iface_get_type(iface_cfg, br->cfg), &netdev); | |
1482 | if (error) { | |
bbe6109d TG |
1483 | VLOG_WARN_BUF(errp, "could not open network device %s (%s)", |
1484 | iface_cfg->name, ovs_strerror(error)); | |
cc086465 BP |
1485 | goto error; |
1486 | } | |
1487 | ||
bbe6109d | 1488 | error = iface_set_netdev_config(iface_cfg, netdev, errp); |
cc086465 BP |
1489 | if (error) { |
1490 | goto error; | |
1491 | } | |
1492 | ||
2a73b1d7 BP |
1493 | *ofp_portp = iface_pick_ofport(iface_cfg); |
1494 | error = ofproto_port_add(br->ofproto, netdev, ofp_portp); | |
1495 | if (error) { | |
1496 | goto error; | |
cc086465 BP |
1497 | } |
1498 | ||
2a73b1d7 BP |
1499 | VLOG_INFO("bridge %s: added interface %s on port %d", |
1500 | br->name, iface_cfg->name, *ofp_portp); | |
1501 | ||
1839c356 | 1502 | if (port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter")) { |
4b609110 | 1503 | netdev_turn_flags_on(netdev, NETDEV_UP, NULL); |
cc086465 BP |
1504 | } |
1505 | ||
1506 | *netdevp = netdev; | |
1507 | return 0; | |
1508 | ||
1509 | error: | |
1510 | *netdevp = NULL; | |
1511 | netdev_close(netdev); | |
1512 | return error; | |
1513 | } | |
1514 | ||
bae7208e | 1515 | /* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow |
c60c33fb | 1516 | * port number 'ofp_port'. If ofp_port is OFPP_NONE, an OpenFlow port is |
bae7208e | 1517 | * automatically allocated for the iface. Takes ownership of and |
01546f5d BP |
1518 | * deallocates 'if_cfg'. |
1519 | * | |
1520 | * Return true if an iface is successfully created, false otherwise. */ | |
1521 | static bool | |
2a73b1d7 BP |
1522 | iface_create(struct bridge *br, const struct ovsrec_interface *iface_cfg, |
1523 | const struct ovsrec_port *port_cfg) | |
66da9bef | 1524 | { |
cc086465 | 1525 | struct netdev *netdev; |
bae7208e | 1526 | struct iface *iface; |
2a73b1d7 | 1527 | ofp_port_t ofp_port; |
bae7208e | 1528 | struct port *port; |
bbe6109d | 1529 | char *errp = NULL; |
bae7208e | 1530 | int error; |
52a90c29 | 1531 | |
a6b7506d | 1532 | /* Do the bits that can fail up front. */ |
cb22974d | 1533 | ovs_assert(!iface_lookup(br, iface_cfg->name)); |
bbe6109d | 1534 | error = iface_do_create(br, iface_cfg, port_cfg, &ofp_port, &netdev, &errp); |
bae7208e | 1535 | if (error) { |
bbe6109d TG |
1536 | iface_clear_db_record(iface_cfg, errp); |
1537 | free(errp); | |
2a73b1d7 | 1538 | return false; |
bae7208e | 1539 | } |
c7e7bb21 | 1540 | |
cc086465 BP |
1541 | /* Get or create the port structure. */ |
1542 | port = port_lookup(br, port_cfg->name); | |
1543 | if (!port) { | |
1544 | port = port_create(br, port_cfg); | |
bae7208e EJ |
1545 | } |
1546 | ||
cc086465 BP |
1547 | /* Create the iface structure. */ |
1548 | iface = xzalloc(sizeof *iface); | |
1549 | list_push_back(&port->ifaces, &iface->port_elem); | |
1550 | hmap_insert(&br->iface_by_name, &iface->name_node, | |
1551 | hash_string(iface_cfg->name, 0)); | |
1552 | iface->port = port; | |
1553 | iface->name = xstrdup(iface_cfg->name); | |
2a73b1d7 | 1554 | iface->ofp_port = ofp_port; |
cc086465 BP |
1555 | iface->netdev = netdev; |
1556 | iface->type = iface_get_type(iface_cfg, br->cfg); | |
1557 | iface->cfg = iface_cfg; | |
2a73b1d7 BP |
1558 | hmap_insert(&br->ifaces, &iface->ofp_port_node, |
1559 | hash_ofp_port(ofp_port)); | |
8b5da7a6 | 1560 | |
cc086465 BP |
1561 | /* Populate initial status in database. */ |
1562 | iface_refresh_stats(iface); | |
6a5f9a8f | 1563 | iface_refresh_netdev_status(iface); |
bae7208e EJ |
1564 | |
1565 | /* Add bond fake iface if necessary. */ | |
1566 | if (port_is_bond_fake_iface(port)) { | |
8b5da7a6 BP |
1567 | struct ofproto_port ofproto_port; |
1568 | ||
bae7208e EJ |
1569 | if (ofproto_port_query_by_name(br->ofproto, port->name, |
1570 | &ofproto_port)) { | |
1571 | struct netdev *netdev; | |
1572 | int error; | |
1573 | ||
1574 | error = netdev_open(port->name, "internal", &netdev); | |
1575 | if (!error) { | |
4abb8608 | 1576 | ofp_port_t fake_ofp_port = OFPP_NONE; |
0d7bb1b4 | 1577 | ofproto_port_add(br->ofproto, netdev, &fake_ofp_port); |
bae7208e | 1578 | netdev_close(netdev); |
66da9bef | 1579 | } else { |
bae7208e | 1580 | VLOG_WARN("could not open network device %s (%s)", |
10a89ef0 | 1581 | port->name, ovs_strerror(error)); |
66da9bef | 1582 | } |
bae7208e EJ |
1583 | } else { |
1584 | /* Already exists, nothing to do. */ | |
1585 | ofproto_port_destroy(&ofproto_port); | |
66da9bef BP |
1586 | } |
1587 | } | |
01546f5d | 1588 | |
2a73b1d7 | 1589 | return true; |
66da9bef BP |
1590 | } |
1591 | ||
8402c74b SS |
1592 | /* Set forward BPDU option. */ |
1593 | static void | |
1594 | bridge_configure_forward_bpdu(struct bridge *br) | |
1595 | { | |
a699f614 EJ |
1596 | ofproto_set_forward_bpdu(br->ofproto, |
1597 | smap_get_bool(&br->cfg->other_config, | |
1598 | "forward-bpdu", | |
1599 | false)); | |
8402c74b SS |
1600 | } |
1601 | ||
c4069512 | 1602 | /* Set MAC learning table configuration for 'br'. */ |
e764773c | 1603 | static void |
c4069512 | 1604 | bridge_configure_mac_table(struct bridge *br) |
e764773c BP |
1605 | { |
1606 | const char *idle_time_str; | |
1607 | int idle_time; | |
1608 | ||
c4069512 BP |
1609 | const char *mac_table_size_str; |
1610 | int mac_table_size; | |
1611 | ||
a699f614 | 1612 | idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time"); |
e764773c BP |
1613 | idle_time = (idle_time_str && atoi(idle_time_str) |
1614 | ? atoi(idle_time_str) | |
1615 | : MAC_ENTRY_DEFAULT_IDLE_TIME); | |
c4069512 BP |
1616 | |
1617 | mac_table_size_str = smap_get(&br->cfg->other_config, "mac-table-size"); | |
1618 | mac_table_size = (mac_table_size_str && atoi(mac_table_size_str) | |
1619 | ? atoi(mac_table_size_str) | |
1620 | : MAC_DEFAULT_MAX); | |
1621 | ||
1622 | ofproto_set_mac_table_config(br->ofproto, idle_time, mac_table_size); | |
e764773c BP |
1623 | } |
1624 | ||
dc2b70ba FL |
1625 | /* Set multicast snooping table configuration for 'br'. */ |
1626 | static void | |
1627 | bridge_configure_mcast_snooping(struct bridge *br) | |
1628 | { | |
1629 | if (!br->cfg->mcast_snooping_enable) { | |
1630 | ofproto_set_mcast_snooping(br->ofproto, NULL); | |
1631 | } else { | |
1632 | struct port *port; | |
1633 | struct ofproto_mcast_snooping_settings br_s; | |
1634 | const char *idle_time_str; | |
1635 | const char *max_entries_str; | |
1636 | ||
1637 | idle_time_str = smap_get(&br->cfg->other_config, | |
1638 | "mcast-snooping-aging-time"); | |
1639 | br_s.idle_time = (idle_time_str && atoi(idle_time_str) | |
1640 | ? atoi(idle_time_str) | |
1641 | : MCAST_ENTRY_DEFAULT_IDLE_TIME); | |
1642 | ||
1643 | max_entries_str = smap_get(&br->cfg->other_config, | |
1644 | "mcast-snooping-table-size"); | |
1645 | br_s.max_entries = (max_entries_str && atoi(max_entries_str) | |
1646 | ? atoi(max_entries_str) | |
1647 | : MCAST_DEFAULT_MAX_ENTRIES); | |
1648 | ||
1649 | br_s.flood_unreg = !smap_get_bool(&br->cfg->other_config, | |
1650 | "mcast-snooping-disable-flood-unregistered", | |
1651 | false); | |
1652 | ||
1653 | /* Configure multicast snooping on the bridge */ | |
1654 | if (ofproto_set_mcast_snooping(br->ofproto, &br_s)) { | |
1655 | VLOG_ERR("bridge %s: could not enable multicast snooping", | |
1656 | br->name); | |
1657 | return; | |
1658 | } | |
1659 | ||
1660 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
1661 | bool flood = smap_get_bool(&port->cfg->other_config, | |
1662 | "mcast-snooping-flood", false); | |
1663 | if (ofproto_port_set_mcast_snooping(br->ofproto, port, flood)) { | |
1664 | VLOG_ERR("port %s: could not configure mcast snooping", | |
1665 | port->name); | |
1666 | } | |
1667 | } | |
1668 | } | |
1669 | } | |
1670 | ||
064af421 | 1671 | static void |
21a955fc HS |
1672 | find_local_hw_addr(const struct bridge *br, uint8_t ea[ETH_ADDR_LEN], |
1673 | const struct port *fake_br, struct iface **hw_addr_iface) | |
064af421 | 1674 | { |
f145afdc | 1675 | struct hmapx mirror_output_ports; |
8052fb14 | 1676 | struct port *port; |
3a48ace3 | 1677 | bool found_addr = false; |
064af421 | 1678 | int error; |
f145afdc | 1679 | int i; |
064af421 | 1680 | |
f145afdc BP |
1681 | /* Mirror output ports don't participate in picking the local hardware |
1682 | * address. ofproto can't help us find out whether a given port is a | |
1683 | * mirror output because we haven't configured mirrors yet, so we need to | |
1684 | * accumulate them ourselves. */ | |
1685 | hmapx_init(&mirror_output_ports); | |
1686 | for (i = 0; i < br->cfg->n_mirrors; i++) { | |
1687 | struct ovsrec_mirror *m = br->cfg->mirrors[i]; | |
1688 | if (m->output_port) { | |
1689 | hmapx_add(&mirror_output_ports, m->output_port); | |
1690 | } | |
1691 | } | |
1692 | ||
141f4942 BP |
1693 | /* Otherwise choose the minimum non-local MAC address among all of the |
1694 | * interfaces. */ | |
8052fb14 | 1695 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
58b7527e | 1696 | uint8_t iface_ea[ETH_ADDR_LEN]; |
83db7968 | 1697 | struct iface *candidate; |
58b7527e BP |
1698 | struct iface *iface; |
1699 | ||
1700 | /* Mirror output ports don't participate. */ | |
f145afdc | 1701 | if (hmapx_contains(&mirror_output_ports, port->cfg)) { |
064af421 BP |
1702 | continue; |
1703 | } | |
58b7527e BP |
1704 | |
1705 | /* Choose the MAC address to represent the port. */ | |
83db7968 | 1706 | iface = NULL; |
76343538 | 1707 | if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) { |
ba09980a BP |
1708 | /* Find the interface with this Ethernet address (if any) so that |
1709 | * we can provide the correct devname to the caller. */ | |
83db7968 | 1710 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
ba09980a | 1711 | uint8_t candidate_ea[ETH_ADDR_LEN]; |
8fef8c71 | 1712 | if (!netdev_get_etheraddr(candidate->netdev, candidate_ea) |
ba09980a BP |
1713 | && eth_addr_equals(iface_ea, candidate_ea)) { |
1714 | iface = candidate; | |
1715 | } | |
1716 | } | |
58b7527e BP |
1717 | } else { |
1718 | /* Choose the interface whose MAC address will represent the port. | |
1719 | * The Linux kernel bonding code always chooses the MAC address of | |
1720 | * the first slave added to a bond, and the Fedora networking | |
1721 | * scripts always add slaves to a bond in alphabetical order, so | |
1722 | * for compatibility we choose the interface with the name that is | |
1723 | * first in alphabetical order. */ | |
83db7968 BP |
1724 | LIST_FOR_EACH (candidate, port_elem, &port->ifaces) { |
1725 | if (!iface || strcmp(candidate->name, iface->name) < 0) { | |
58b7527e BP |
1726 | iface = candidate; |
1727 | } | |
1728 | } | |
1729 | ||
1730 | /* The local port doesn't count (since we're trying to choose its | |
141f4942 | 1731 | * MAC address anyway). */ |
892815f5 | 1732 | if (iface->ofp_port == OFPP_LOCAL) { |
064af421 BP |
1733 | continue; |
1734 | } | |
58b7527e | 1735 | |
21a955fc HS |
1736 | /* For fake bridges we only choose from ports with the same tag */ |
1737 | if (fake_br && fake_br->cfg && fake_br->cfg->tag) { | |
1738 | if (!port->cfg->tag) { | |
1739 | continue; | |
1740 | } | |
1741 | if (*port->cfg->tag != *fake_br->cfg->tag) { | |
1742 | continue; | |
1743 | } | |
1744 | } | |
1745 | ||
58b7527e | 1746 | /* Grab MAC. */ |
07c318f4 | 1747 | error = netdev_get_etheraddr(iface->netdev, iface_ea); |
58b7527e | 1748 | if (error) { |
58b7527e | 1749 | continue; |
064af421 BP |
1750 | } |
1751 | } | |
58b7527e BP |
1752 | |
1753 | /* Compare against our current choice. */ | |
1754 | if (!eth_addr_is_multicast(iface_ea) && | |
141f4942 | 1755 | !eth_addr_is_local(iface_ea) && |
58b7527e BP |
1756 | !eth_addr_is_reserved(iface_ea) && |
1757 | !eth_addr_is_zero(iface_ea) && | |
0d1fe4a3 | 1758 | (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0)) |
58b7527e | 1759 | { |
0babc06f | 1760 | memcpy(ea, iface_ea, ETH_ADDR_LEN); |
8fef8c71 | 1761 | *hw_addr_iface = iface; |
3a48ace3 | 1762 | found_addr = true; |
58b7527e | 1763 | } |
064af421 | 1764 | } |
f145afdc | 1765 | |
51b67a10 JP |
1766 | if (!found_addr) { |
1767 | memcpy(ea, br->default_ea, ETH_ADDR_LEN); | |
1768 | *hw_addr_iface = NULL; | |
1769 | } | |
1770 | ||
f145afdc | 1771 | hmapx_destroy(&mirror_output_ports); |
064af421 BP |
1772 | } |
1773 | ||
4bc1cfde HS |
1774 | static void |
1775 | bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN], | |
1776 | struct iface **hw_addr_iface) | |
1777 | { | |
1778 | const char *hwaddr; | |
1779 | *hw_addr_iface = NULL; | |
1780 | ||
1781 | /* Did the user request a particular MAC? */ | |
1782 | hwaddr = smap_get(&br->cfg->other_config, "hwaddr"); | |
1783 | if (hwaddr && eth_addr_from_string(hwaddr, ea)) { | |
1784 | if (eth_addr_is_multicast(ea)) { | |
1785 | VLOG_ERR("bridge %s: cannot set MAC address to multicast " | |
1786 | "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea)); | |
1787 | } else if (eth_addr_is_zero(ea)) { | |
1788 | VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name); | |
1789 | } else { | |
1790 | return; | |
1791 | } | |
1792 | } | |
1793 | ||
1794 | /* Find a local hw address */ | |
21a955fc | 1795 | find_local_hw_addr(br, ea, NULL, hw_addr_iface); |
4bc1cfde HS |
1796 | } |
1797 | ||
064af421 BP |
1798 | /* Choose and returns the datapath ID for bridge 'br' given that the bridge |
1799 | * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of | |
07c318f4 BP |
1800 | * an interface on 'br', then that interface must be passed in as |
1801 | * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then | |
1802 | * 'hw_addr_iface' must be passed in as a null pointer. */ | |
064af421 BP |
1803 | static uint64_t |
1804 | bridge_pick_datapath_id(struct bridge *br, | |
1805 | const uint8_t bridge_ea[ETH_ADDR_LEN], | |
07c318f4 | 1806 | struct iface *hw_addr_iface) |
064af421 BP |
1807 | { |
1808 | /* | |
1809 | * The procedure for choosing a bridge MAC address will, in the most | |
1810 | * ordinary case, also choose a unique MAC that we can use as a datapath | |
1811 | * ID. In some special cases, though, multiple bridges will end up with | |
1812 | * the same MAC address. This is OK for the bridges, but it will confuse | |
1813 | * the OpenFlow controller, because each datapath needs a unique datapath | |
1814 | * ID. | |
1815 | * | |
1816 | * Datapath IDs must be unique. It is also very desirable that they be | |
1817 | * stable from one run to the next, so that policy set on a datapath | |
1818 | * "sticks". | |
1819 | */ | |
093e47f4 | 1820 | const char *datapath_id; |
064af421 BP |
1821 | uint64_t dpid; |
1822 | ||
a699f614 | 1823 | datapath_id = smap_get(&br->cfg->other_config, "datapath-id"); |
093e47f4 | 1824 | if (datapath_id && dpid_from_string(datapath_id, &dpid)) { |
064af421 BP |
1825 | return dpid; |
1826 | } | |
1827 | ||
03eae5f8 | 1828 | if (!hw_addr_iface) { |
064af421 BP |
1829 | /* |
1830 | * A purely internal bridge, that is, one that has no non-virtual | |
03eae5f8 | 1831 | * network devices on it at all, is difficult because it has no |
064af421 BP |
1832 | * natural unique identifier at all. |
1833 | * | |
1834 | * When the host is a XenServer, we handle this case by hashing the | |
1835 | * host's UUID with the name of the bridge. Names of bridges are | |
1836 | * persistent across XenServer reboots, although they can be reused if | |
1837 | * an internal network is destroyed and then a new one is later | |
1838 | * created, so this is fairly effective. | |
1839 | * | |
1840 | * When the host is not a XenServer, we punt by using a random MAC | |
1841 | * address on each run. | |
1842 | */ | |
1843 | const char *host_uuid = xenserver_get_host_uuid(); | |
1844 | if (host_uuid) { | |
1845 | char *combined = xasprintf("%s,%s", host_uuid, br->name); | |
1846 | dpid = dpid_from_hash(combined, strlen(combined)); | |
1847 | free(combined); | |
1848 | return dpid; | |
1849 | } | |
1850 | } | |
1851 | ||
1852 | return eth_addr_to_uint64(bridge_ea); | |
1853 | } | |
1854 | ||
1855 | static uint64_t | |
1856 | dpid_from_hash(const void *data, size_t n) | |
1857 | { | |
5eccf359 | 1858 | uint8_t hash[SHA1_DIGEST_SIZE]; |
064af421 BP |
1859 | |
1860 | BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN); | |
5eccf359 | 1861 | sha1_bytes(data, n, hash); |
064af421 BP |
1862 | eth_addr_mark_random(hash); |
1863 | return eth_addr_to_uint64(hash); | |
1864 | } | |
1865 | ||
ea83a2fc | 1866 | static void |
6a5f9a8f | 1867 | iface_refresh_netdev_status(struct iface *iface) |
ea83a2fc | 1868 | { |
79f1cbe9 | 1869 | struct smap smap; |
ea763e0e | 1870 | |
6c038611 | 1871 | enum netdev_features current; |
6a5f9a8f AW |
1872 | enum netdev_flags flags; |
1873 | const char *link_state; | |
df867eda | 1874 | uint8_t mac[ETH_ADDR_LEN]; |
6a5f9a8f AW |
1875 | int64_t bps, mtu_64, ifindex64, link_resets; |
1876 | int mtu, error; | |
e210037e | 1877 | |
cfea354b BP |
1878 | if (iface_is_synthetic(iface)) { |
1879 | return; | |
1880 | } | |
1881 | ||
15c9fbd8 AW |
1882 | if (iface->change_seq == netdev_get_change_seq(iface->netdev) |
1883 | && !status_txn_try_again) { | |
6a5f9a8f AW |
1884 | return; |
1885 | } | |
1886 | ||
1887 | iface->change_seq = netdev_get_change_seq(iface->netdev); | |
1888 | ||
79f1cbe9 | 1889 | smap_init(&smap); |
ea763e0e | 1890 | |
275707c3 | 1891 | if (!netdev_get_status(iface->netdev, &smap)) { |
a699f614 | 1892 | ovsrec_interface_set_status(iface->cfg, &smap); |
ea763e0e | 1893 | } else { |
a699f614 | 1894 | ovsrec_interface_set_status(iface->cfg, NULL); |
ea763e0e EJ |
1895 | } |
1896 | ||
79f1cbe9 | 1897 | smap_destroy(&smap); |
e210037e | 1898 | |
6a5f9a8f AW |
1899 | error = netdev_get_flags(iface->netdev, &flags); |
1900 | if (!error) { | |
1901 | const char *state = flags & NETDEV_UP ? "up" : "down"; | |
1902 | ||
1903 | ovsrec_interface_set_admin_state(iface->cfg, state); | |
1904 | } else { | |
1905 | ovsrec_interface_set_admin_state(iface->cfg, NULL); | |
1906 | } | |
1907 | ||
1908 | link_state = netdev_get_carrier(iface->netdev) ? "up" : "down"; | |
1909 | ovsrec_interface_set_link_state(iface->cfg, link_state); | |
1910 | ||
1911 | link_resets = netdev_get_carrier_resets(iface->netdev); | |
1912 | ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1); | |
1913 | ||
e210037e | 1914 | error = netdev_get_features(iface->netdev, ¤t, NULL, NULL, NULL); |
d02a5f8e BP |
1915 | bps = !error ? netdev_features_to_bps(current, 0) : 0; |
1916 | if (bps) { | |
e210037e AE |
1917 | ovsrec_interface_set_duplex(iface->cfg, |
1918 | netdev_features_is_full_duplex(current) | |
1919 | ? "full" : "half"); | |
e210037e | 1920 | ovsrec_interface_set_link_speed(iface->cfg, &bps, 1); |
d0db8de2 | 1921 | } else { |
e210037e AE |
1922 | ovsrec_interface_set_duplex(iface->cfg, NULL); |
1923 | ovsrec_interface_set_link_speed(iface->cfg, NULL, 0); | |
1924 | } | |
1925 | ||
e210037e | 1926 | error = netdev_get_mtu(iface->netdev, &mtu); |
9b020780 | 1927 | if (!error) { |
e210037e AE |
1928 | mtu_64 = mtu; |
1929 | ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1); | |
8d6db33e | 1930 | } else { |
e210037e AE |
1931 | ovsrec_interface_set_mtu(iface->cfg, NULL, 0); |
1932 | } | |
df867eda JP |
1933 | |
1934 | error = netdev_get_etheraddr(iface->netdev, mac); | |
1935 | if (!error) { | |
1936 | char mac_string[32]; | |
1937 | ||
1938 | sprintf(mac_string, ETH_ADDR_FMT, ETH_ADDR_ARGS(mac)); | |
1939 | ovsrec_interface_set_mac_in_use(iface->cfg, mac_string); | |
1940 | } else { | |
1941 | ovsrec_interface_set_mac_in_use(iface->cfg, NULL); | |
1942 | } | |
ea401d9a NM |
1943 | |
1944 | /* The netdev may return a negative number (such as -EOPNOTSUPP) | |
1945 | * if there is no valid ifindex number. */ | |
1946 | ifindex64 = netdev_get_ifindex(iface->netdev); | |
1947 | if (ifindex64 < 0) { | |
1948 | ifindex64 = 0; | |
1949 | } | |
1950 | ovsrec_interface_set_ifindex(iface->cfg, &ifindex64, 1); | |
ea83a2fc EJ |
1951 | } |
1952 | ||
6a5f9a8f AW |
1953 | static void |
1954 | iface_refresh_ofproto_status(struct iface *iface) | |
1955 | { | |
8f5514fe | 1956 | int current; |
6a5f9a8f AW |
1957 | |
1958 | if (iface_is_synthetic(iface)) { | |
1959 | return; | |
1960 | } | |
1961 | ||
1962 | current = ofproto_port_is_lacp_current(iface->port->bridge->ofproto, | |
1963 | iface->ofp_port); | |
1964 | if (current >= 0) { | |
1965 | bool bl = current; | |
1966 | ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1); | |
1967 | } else { | |
1968 | ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0); | |
1969 | } | |
1970 | ||
8f5514fe | 1971 | if (ofproto_port_cfm_status_changed(iface->port->bridge->ofproto, |
15c9fbd8 AW |
1972 | iface->ofp_port) |
1973 | || status_txn_try_again) { | |
8f5514fe AW |
1974 | iface_refresh_cfm_stats(iface); |
1975 | } | |
6a5f9a8f | 1976 | |
8f5514fe | 1977 | if (ofproto_port_bfd_status_changed(iface->port->bridge->ofproto, |
15c9fbd8 AW |
1978 | iface->ofp_port) |
1979 | || status_txn_try_again) { | |
8f5514fe AW |
1980 | struct smap smap; |
1981 | ||
1982 | smap_init(&smap); | |
1983 | ofproto_port_get_bfd_status(iface->port->bridge->ofproto, | |
1984 | iface->ofp_port, &smap); | |
6a5f9a8f | 1985 | ovsrec_interface_set_bfd_status(iface->cfg, &smap); |
8f5514fe | 1986 | smap_destroy(&smap); |
6a5f9a8f | 1987 | } |
6a5f9a8f AW |
1988 | } |
1989 | ||
353079d0 EJ |
1990 | /* Writes 'iface''s CFM statistics to the database. 'iface' must not be |
1991 | * synthetic. */ | |
8f3fe844 | 1992 | static void |
b31bcf60 EJ |
1993 | iface_refresh_cfm_stats(struct iface *iface) |
1994 | { | |
93b8df38 | 1995 | const struct ovsrec_interface *cfg = iface->cfg; |
685acfd9 | 1996 | struct cfm_status status; |
88bf179a | 1997 | int error; |
9a9e3786 | 1998 | |
88bf179a AW |
1999 | error = ofproto_port_get_cfm_status(iface->port->bridge->ofproto, |
2000 | iface->ofp_port, &status); | |
8f5514fe | 2001 | if (error > 0) { |
9a9e3786 BP |
2002 | ovsrec_interface_set_cfm_fault(cfg, NULL, 0); |
2003 | ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0); | |
2004 | ovsrec_interface_set_cfm_remote_opstate(cfg, NULL); | |
76c4290d | 2005 | ovsrec_interface_set_cfm_flap_count(cfg, NULL, 0); |
9a9e3786 BP |
2006 | ovsrec_interface_set_cfm_health(cfg, NULL, 0); |
2007 | ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0); | |
2008 | } else { | |
b9380396 | 2009 | const char *reasons[CFM_FAULT_N_REASONS]; |
9a9e3786 | 2010 | int64_t cfm_health = status.health; |
76c4290d | 2011 | int64_t cfm_flap_count = status.flap_count; |
9a9e3786 | 2012 | bool faulted = status.faults != 0; |
b9380396 EJ |
2013 | size_t i, j; |
2014 | ||
9a9e3786 BP |
2015 | ovsrec_interface_set_cfm_fault(cfg, &faulted, 1); |
2016 | ||
b9380396 EJ |
2017 | j = 0; |
2018 | for (i = 0; i < CFM_FAULT_N_REASONS; i++) { | |
2019 | int reason = 1 << i; | |
9a9e3786 | 2020 | if (status.faults & reason) { |
b9380396 EJ |
2021 | reasons[j++] = cfm_fault_reason_to_str(reason); |
2022 | } | |
2023 | } | |
b9380396 | 2024 | ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j); |
1c0333b6 | 2025 | |
76c4290d AW |
2026 | ovsrec_interface_set_cfm_flap_count(cfg, &cfm_flap_count, 1); |
2027 | ||
18637fdc BP |
2028 | if (status.remote_opstate >= 0) { |
2029 | const char *remote_opstate = status.remote_opstate ? "up" : "down"; | |
2030 | ovsrec_interface_set_cfm_remote_opstate(cfg, remote_opstate); | |
2031 | } else { | |
2032 | ovsrec_interface_set_cfm_remote_opstate(cfg, NULL); | |
2033 | } | |
2034 | ||
9a9e3786 BP |
2035 | ovsrec_interface_set_cfm_remote_mpids(cfg, |
2036 | (const int64_t *)status.rmps, | |
2037 | status.n_rmps); | |
4cd9ab26 BP |
2038 | if (cfm_health >= 0) { |
2039 | ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1); | |
2040 | } else { | |
2041 | ovsrec_interface_set_cfm_health(cfg, NULL, 0); | |
2042 | } | |
13b1b2ae EJ |
2043 | |
2044 | free(status.rmps); | |
3967a833 | 2045 | } |
b31bcf60 EJ |
2046 | } |
2047 | ||
018f1525 BP |
2048 | static void |
2049 | iface_refresh_stats(struct iface *iface) | |
2050 | { | |
98dbe2dd BP |
2051 | #define IFACE_STATS \ |
2052 | IFACE_STAT(rx_packets, "rx_packets") \ | |
2053 | IFACE_STAT(tx_packets, "tx_packets") \ | |
2054 | IFACE_STAT(rx_bytes, "rx_bytes") \ | |
2055 | IFACE_STAT(tx_bytes, "tx_bytes") \ | |
2056 | IFACE_STAT(rx_dropped, "rx_dropped") \ | |
2057 | IFACE_STAT(tx_dropped, "tx_dropped") \ | |
2058 | IFACE_STAT(rx_errors, "rx_errors") \ | |
2059 | IFACE_STAT(tx_errors, "tx_errors") \ | |
2060 | IFACE_STAT(rx_frame_errors, "rx_frame_err") \ | |
2061 | IFACE_STAT(rx_over_errors, "rx_over_err") \ | |
2062 | IFACE_STAT(rx_crc_errors, "rx_crc_err") \ | |
2063 | IFACE_STAT(collisions, "collisions") | |
2064 | ||
c2553db9 BP |
2065 | #define IFACE_STAT(MEMBER, NAME) + 1 |
2066 | enum { N_IFACE_STATS = IFACE_STATS }; | |
98dbe2dd | 2067 | #undef IFACE_STAT |
c2553db9 BP |
2068 | int64_t values[N_IFACE_STATS]; |
2069 | char *keys[N_IFACE_STATS]; | |
2070 | int n; | |
018f1525 BP |
2071 | |
2072 | struct netdev_stats stats; | |
2073 | ||
cfea354b BP |
2074 | if (iface_is_synthetic(iface)) { |
2075 | return; | |
2076 | } | |
2077 | ||
018f1525 BP |
2078 | /* Intentionally ignore return value, since errors will set 'stats' to |
2079 | * all-1s, and we will deal with that correctly below. */ | |
2080 | netdev_get_stats(iface->netdev, &stats); | |
2081 | ||
c2553db9 BP |
2082 | /* Copy statistics into keys[] and values[]. */ |
2083 | n = 0; | |
2084 | #define IFACE_STAT(MEMBER, NAME) \ | |
2085 | if (stats.MEMBER != UINT64_MAX) { \ | |
2086 | keys[n] = NAME; \ | |
2087 | values[n] = stats.MEMBER; \ | |
2088 | n++; \ | |
2089 | } | |
98dbe2dd BP |
2090 | IFACE_STATS; |
2091 | #undef IFACE_STAT | |
c2553db9 | 2092 | ovs_assert(n <= N_IFACE_STATS); |
018f1525 | 2093 | |
c2553db9 | 2094 | ovsrec_interface_set_statistics(iface->cfg, keys, values, n); |
98dbe2dd | 2095 | #undef IFACE_STATS |
018f1525 BP |
2096 | } |
2097 | ||
21f7563c JP |
2098 | static void |
2099 | br_refresh_stp_status(struct bridge *br) | |
2100 | { | |
a699f614 | 2101 | struct smap smap = SMAP_INITIALIZER(&smap); |
21f7563c JP |
2102 | struct ofproto *ofproto = br->ofproto; |
2103 | struct ofproto_stp_status status; | |
21f7563c JP |
2104 | |
2105 | if (ofproto_get_stp_status(ofproto, &status)) { | |
2106 | return; | |
2107 | } | |
2108 | ||
2109 | if (!status.enabled) { | |
a699f614 | 2110 | ovsrec_bridge_set_status(br->cfg, NULL); |
21f7563c JP |
2111 | return; |
2112 | } | |
2113 | ||
a699f614 EJ |
2114 | smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT, |
2115 | STP_ID_ARGS(status.bridge_id)); | |
2116 | smap_add_format(&smap, "stp_designated_root", STP_ID_FMT, | |
2117 | STP_ID_ARGS(status.designated_root)); | |
2118 | smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost); | |
21f7563c | 2119 | |
a699f614 EJ |
2120 | ovsrec_bridge_set_status(br->cfg, &smap); |
2121 | smap_destroy(&smap); | |
21f7563c JP |
2122 | } |
2123 | ||
2124 | static void | |
2125 | port_refresh_stp_status(struct port *port) | |
2126 | { | |
2127 | struct ofproto *ofproto = port->bridge->ofproto; | |
2128 | struct iface *iface; | |
2129 | struct ofproto_port_stp_status status; | |
a699f614 | 2130 | struct smap smap; |
21f7563c | 2131 | |
06b592bc EJ |
2132 | if (port_is_synthetic(port)) { |
2133 | return; | |
2134 | } | |
2135 | ||
21f7563c JP |
2136 | /* STP doesn't currently support bonds. */ |
2137 | if (!list_is_singleton(&port->ifaces)) { | |
a699f614 | 2138 | ovsrec_port_set_status(port->cfg, NULL); |
21f7563c JP |
2139 | return; |
2140 | } | |
2141 | ||
2142 | iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem); | |
21f7563c JP |
2143 | if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) { |
2144 | return; | |
2145 | } | |
2146 | ||
2147 | if (!status.enabled) { | |
a699f614 | 2148 | ovsrec_port_set_status(port->cfg, NULL); |
21f7563c JP |
2149 | return; |
2150 | } | |
2151 | ||
80740385 | 2152 | /* Set Status column. */ |
a699f614 EJ |
2153 | smap_init(&smap); |
2154 | smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id); | |
2155 | smap_add(&smap, "stp_state", stp_state_name(status.state)); | |
2156 | smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state); | |
2157 | smap_add(&smap, "stp_role", stp_role_name(status.role)); | |
2158 | ovsrec_port_set_status(port->cfg, &smap); | |
2159 | smap_destroy(&smap); | |
fd28ce3a JS |
2160 | } |
2161 | ||
2162 | static void | |
2163 | port_refresh_stp_stats(struct port *port) | |
2164 | { | |
2165 | struct ofproto *ofproto = port->bridge->ofproto; | |
2166 | struct iface *iface; | |
2167 | struct ofproto_port_stp_stats stats; | |
2168 | char *keys[3]; | |
2169 | int64_t int_values[3]; | |
2170 | ||
2171 | if (port_is_synthetic(port)) { | |
2172 | return; | |
2173 | } | |
2174 | ||
2175 | /* STP doesn't currently support bonds. */ | |
2176 | if (!list_is_singleton(&port->ifaces)) { | |
2177 | return; | |
2178 | } | |
2179 | ||
2180 | iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem); | |
2181 | if (ofproto_port_get_stp_stats(ofproto, iface->ofp_port, &stats)) { | |
2182 | return; | |
2183 | } | |
2184 | ||
2185 | if (!stats.enabled) { | |
2186 | ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0); | |
2187 | return; | |
2188 | } | |
80740385 JP |
2189 | |
2190 | /* Set Statistics column. */ | |
2191 | keys[0] = "stp_tx_count"; | |
fd28ce3a | 2192 | int_values[0] = stats.tx_count; |
80740385 | 2193 | keys[1] = "stp_rx_count"; |
fd28ce3a | 2194 | int_values[1] = stats.rx_count; |
80740385 | 2195 | keys[2] = "stp_error_count"; |
fd28ce3a | 2196 | int_values[2] = stats.error_count; |
80740385 JP |
2197 | |
2198 | ovsrec_port_set_statistics(port->cfg, keys, int_values, | |
2199 | ARRAY_SIZE(int_values)); | |
21f7563c JP |
2200 | } |
2201 | ||
3fe80505 BP |
2202 | static bool |
2203 | enable_system_stats(const struct ovsrec_open_vswitch *cfg) | |
2204 | { | |
a699f614 | 2205 | return smap_get_bool(&cfg->other_config, "enable-statistics", false); |
3fe80505 BP |
2206 | } |
2207 | ||
ce887677 | 2208 | static void |
35a22d8c | 2209 | reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg) |
ce887677 | 2210 | { |
35a22d8c | 2211 | bool enable = enable_system_stats(cfg); |
ce887677 | 2212 | |
35a22d8c BP |
2213 | system_stats_enable(enable); |
2214 | if (!enable) { | |
2215 | ovsrec_open_vswitch_set_statistics(cfg, NULL); | |
3fe80505 | 2216 | } |
35a22d8c BP |
2217 | } |
2218 | ||
2219 | static void | |
2220 | run_system_stats(void) | |
2221 | { | |
2222 | const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl); | |
2223 | struct smap *stats; | |
2224 | ||
2225 | stats = system_stats_run(); | |
2226 | if (stats && cfg) { | |
2227 | struct ovsdb_idl_txn *txn; | |
2228 | struct ovsdb_datum datum; | |
2229 | ||
2230 | txn = ovsdb_idl_txn_create(idl); | |
2231 | ovsdb_datum_from_smap(&datum, stats); | |
2232 | ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics, | |
2233 | &datum); | |
2234 | ovsdb_idl_txn_commit(txn); | |
2235 | ovsdb_idl_txn_destroy(txn); | |
ce887677 | 2236 | |
35a22d8c BP |
2237 | free(stats); |
2238 | } | |
ce887677 BP |
2239 | } |
2240 | ||
61c75840 | 2241 | static const char * |
f4f1ea7e | 2242 | ofp12_controller_role_to_str(enum ofp12_controller_role role) |
bffc0589 AE |
2243 | { |
2244 | switch (role) { | |
f4f1ea7e | 2245 | case OFPCR12_ROLE_EQUAL: |
bffc0589 | 2246 | return "other"; |
f4f1ea7e | 2247 | case OFPCR12_ROLE_MASTER: |
bffc0589 | 2248 | return "master"; |
f4f1ea7e | 2249 | case OFPCR12_ROLE_SLAVE: |
bffc0589 | 2250 | return "slave"; |
f4f1ea7e | 2251 | case OFPCR12_ROLE_NOCHANGE: |
bffc0589 AE |
2252 | default: |
2253 | return "*** INVALID ROLE ***"; | |
2254 | } | |
2255 | } | |
2256 | ||
2257 | static void | |
5d279086 | 2258 | refresh_controller_status(void) |
bffc0589 | 2259 | { |
5d279086 | 2260 | struct bridge *br; |
bffc0589 AE |
2261 | struct shash info; |
2262 | const struct ovsrec_controller *cfg; | |
2263 | ||
5d279086 AE |
2264 | shash_init(&info); |
2265 | ||
2266 | /* Accumulate status for controllers on all bridges. */ | |
2267 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2268 | ofproto_get_ofproto_controller_info(br->ofproto, &info); | |
2269 | } | |
bffc0589 | 2270 | |
5d279086 | 2271 | /* Update each controller in the database with current status. */ |
bffc0589 | 2272 | OVSREC_CONTROLLER_FOR_EACH(cfg, idl) { |
eb9b8307 AE |
2273 | struct ofproto_controller_info *cinfo = |
2274 | shash_find_data(&info, cfg->target); | |
2275 | ||
2276 | if (cinfo) { | |
2277 | ovsrec_controller_set_is_connected(cfg, cinfo->is_connected); | |
f4f1ea7e BP |
2278 | ovsrec_controller_set_role(cfg, ofp12_controller_role_to_str( |
2279 | cinfo->role)); | |
f5ad2e5f | 2280 | ovsrec_controller_set_status(cfg, &cinfo->pairs); |
eb9b8307 AE |
2281 | } else { |
2282 | ovsrec_controller_set_is_connected(cfg, false); | |
2283 | ovsrec_controller_set_role(cfg, NULL); | |
a699f614 | 2284 | ovsrec_controller_set_status(cfg, NULL); |
eb9b8307 | 2285 | } |
bffc0589 AE |
2286 | } |
2287 | ||
2288 | ofproto_free_ofproto_controller_info(&info); | |
2289 | } | |
b40dcae7 | 2290 | \f |
aeed7879 BP |
2291 | static void |
2292 | bridge_run__(void) | |
2293 | { | |
2294 | struct bridge *br; | |
2295 | struct sset types; | |
2296 | const char *type; | |
2297 | ||
2298 | /* Let each datapath type do the work that it needs to do. */ | |
2299 | sset_init(&types); | |
2300 | ofproto_enumerate_types(&types); | |
2301 | SSET_FOR_EACH (type, &types) { | |
2302 | ofproto_type_run(type); | |
2303 | } | |
2304 | sset_destroy(&types); | |
2305 | ||
2306 | /* Let each bridge do the work that it needs to do. */ | |
2307 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2308 | ofproto_run(br->ofproto); | |
2309 | } | |
2310 | } | |
2311 | ||
c5187f17 | 2312 | void |
064af421 BP |
2313 | bridge_run(void) |
2314 | { | |
8c0f519f | 2315 | static struct ovsrec_open_vswitch null_cfg; |
d54ff998 BP |
2316 | const struct ovsrec_open_vswitch *cfg; |
2317 | ||
52a90c29 | 2318 | bool vlan_splinters_changed; |
c5187f17 | 2319 | struct bridge *br; |
12eb035b | 2320 | int stats_interval; |
064af421 | 2321 | |
8c0f519f | 2322 | ovsrec_open_vswitch_init(&null_cfg); |
edce886c | 2323 | |
2a73b1d7 | 2324 | ovsdb_idl_run(idl); |
06b6d651 | 2325 | |
2a73b1d7 BP |
2326 | if (ovsdb_idl_is_lock_contended(idl)) { |
2327 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
2328 | struct bridge *br, *next_br; | |
06b6d651 | 2329 | |
2a73b1d7 BP |
2330 | VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, " |
2331 | "disabling this process (pid %ld) until it goes away", | |
2332 | (long int) getpid()); | |
bae7208e | 2333 | |
2a73b1d7 BP |
2334 | HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) { |
2335 | bridge_destroy(br); | |
06b6d651 | 2336 | } |
2a73b1d7 BP |
2337 | /* Since we will not be running system_stats_run() in this process |
2338 | * with the current situation of multiple ovs-vswitchd daemons, | |
2339 | * disable system stats collection. */ | |
2340 | system_stats_enable(false); | |
2341 | return; | |
2342 | } else if (!ovsdb_idl_has_lock(idl)) { | |
2343 | return; | |
06b6d651 BP |
2344 | } |
2345 | cfg = ovsrec_open_vswitch_first(idl); | |
2346 | ||
b0408fca JP |
2347 | /* Initialize the ofproto library. This only needs to run once, but |
2348 | * it must be done after the configuration is set. If the | |
2349 | * initialization has already occurred, bridge_init_ofproto() | |
2350 | * returns immediately. */ | |
2351 | bridge_init_ofproto(cfg); | |
2352 | ||
40358701 GS |
2353 | /* Once the value of flow-restore-wait is false, we no longer should |
2354 | * check its value from the database. */ | |
2355 | if (cfg && ofproto_get_flow_restore_wait()) { | |
2356 | ofproto_set_flow_restore_wait(smap_get_bool(&cfg->other_config, | |
2357 | "flow-restore-wait", false)); | |
2358 | } | |
2359 | ||
aeed7879 | 2360 | bridge_run__(); |
c5187f17 | 2361 | |
d6da96ce BP |
2362 | /* Re-configure SSL. We do this on every trip through the main loop, |
2363 | * instead of just when the database changes, because the contents of the | |
2364 | * key and certificate files can change without the database changing. | |
2365 | * | |
2366 | * We do this before bridge_reconfigure() because that function might | |
2367 | * initiate SSL connections and thus requires SSL to be configured. */ | |
2368 | if (cfg && cfg->ssl) { | |
2369 | const struct ovsrec_ssl *ssl = cfg->ssl; | |
2370 | ||
2371 | stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate); | |
2372 | stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert); | |
2373 | } | |
bf8f2167 | 2374 | |
2a73b1d7 BP |
2375 | /* If VLAN splinters are in use, then we need to reconfigure if VLAN |
2376 | * usage has changed. */ | |
2377 | vlan_splinters_changed = false; | |
2378 | if (vlan_splinters_enabled_anywhere) { | |
2379 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2380 | if (ofproto_has_vlan_usage_changed(br->ofproto)) { | |
2381 | vlan_splinters_changed = true; | |
2382 | break; | |
52a90c29 BP |
2383 | } |
2384 | } | |
2385 | } | |
2386 | ||
2a73b1d7 BP |
2387 | if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) { |
2388 | struct ovsdb_idl_txn *txn; | |
ff02e9a5 | 2389 | |
2a73b1d7 BP |
2390 | idl_seqno = ovsdb_idl_get_seqno(idl); |
2391 | txn = ovsdb_idl_txn_create(idl); | |
2392 | bridge_reconfigure(cfg ? cfg : &null_cfg); | |
ff02e9a5 | 2393 | |
2a73b1d7 BP |
2394 | if (cfg) { |
2395 | ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg); | |
064af421 | 2396 | } |
018f1525 | 2397 | |
2a73b1d7 BP |
2398 | /* If we are completing our initial configuration for this run |
2399 | * of ovs-vswitchd, then keep the transaction around to monitor | |
2400 | * it for completion. */ | |
2401 | if (initial_config_done) { | |
15c9fbd8 AW |
2402 | /* Always sets the 'status_txn_try_again' to check again, |
2403 | * in case that this transaction fails. */ | |
2404 | status_txn_try_again = true; | |
2a73b1d7 BP |
2405 | ovsdb_idl_txn_commit(txn); |
2406 | ovsdb_idl_txn_destroy(txn); | |
2407 | } else { | |
2408 | initial_config_done = true; | |
2409 | daemonize_txn = txn; | |
2410 | } | |
bae7208e EJ |
2411 | } |
2412 | ||
63ff04e8 BP |
2413 | if (daemonize_txn) { |
2414 | enum ovsdb_idl_txn_status status = ovsdb_idl_txn_commit(daemonize_txn); | |
2415 | if (status != TXN_INCOMPLETE) { | |
2416 | ovsdb_idl_txn_destroy(daemonize_txn); | |
2417 | daemonize_txn = NULL; | |
2418 | ||
2419 | /* ovs-vswitchd has completed initialization, so allow the | |
2420 | * process that forked us to exit successfully. */ | |
2421 | daemonize_complete(); | |
2422 | ||
888e0cf4 | 2423 | vlog_enable_async(); |
a5fb0e29 | 2424 | |
63ff04e8 BP |
2425 | VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name, VERSION); |
2426 | } | |
2427 | } | |
2428 | ||
12eb035b AW |
2429 | /* Statistics update interval should always be greater than or equal to |
2430 | * 5000 ms. */ | |
8c1c3342 YT |
2431 | if (cfg) { |
2432 | stats_interval = MAX(smap_get_int(&cfg->other_config, | |
2433 | "stats-update-interval", | |
2434 | 5000), 5000); | |
2435 | } else { | |
2436 | stats_interval = 5000; | |
2437 | } | |
12eb035b AW |
2438 | if (stats_timer_interval != stats_interval) { |
2439 | stats_timer_interval = stats_interval; | |
2440 | stats_timer = LLONG_MIN; | |
2441 | } | |
2442 | ||
35a22d8c | 2443 | /* Refresh interface and mirror stats if necessary. */ |
12eb035b | 2444 | if (time_msec() >= stats_timer) { |
ce887677 BP |
2445 | if (cfg) { |
2446 | struct ovsdb_idl_txn *txn; | |
018f1525 | 2447 | |
ce887677 | 2448 | txn = ovsdb_idl_txn_create(idl); |
764072fd | 2449 | HMAP_FOR_EACH (br, node, &all_bridges) { |
8052fb14 | 2450 | struct port *port; |
9d24de3b | 2451 | struct mirror *m; |
018f1525 | 2452 | |
8052fb14 | 2453 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { |
83db7968 | 2454 | struct iface *iface; |
018f1525 | 2455 | |
83db7968 | 2456 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
ce887677 BP |
2457 | iface_refresh_stats(iface); |
2458 | } | |
fd28ce3a JS |
2459 | |
2460 | port_refresh_stp_stats(port); | |
018f1525 | 2461 | } |
9d24de3b JP |
2462 | |
2463 | HMAP_FOR_EACH (m, hmap_node, &br->mirrors) { | |
2464 | mirror_refresh_stats(m); | |
2465 | } | |
2466 | ||
018f1525 | 2467 | } |
5d279086 | 2468 | refresh_controller_status(); |
ce887677 BP |
2469 | ovsdb_idl_txn_commit(txn); |
2470 | ovsdb_idl_txn_destroy(txn); /* XXX */ | |
018f1525 | 2471 | } |
018f1525 | 2472 | |
12eb035b | 2473 | stats_timer = time_msec() + stats_timer_interval; |
018f1525 | 2474 | } |
6586adf5 | 2475 | |
6a5f9a8f AW |
2476 | if (!status_txn) { |
2477 | uint64_t seq; | |
2478 | ||
2479 | /* Check the need to update status. */ | |
2480 | seq = seq_read(connectivity_seq_get()); | |
15c9fbd8 | 2481 | if (seq != connectivity_seqno || status_txn_try_again) { |
6a5f9a8f AW |
2482 | connectivity_seqno = seq; |
2483 | status_txn = ovsdb_idl_txn_create(idl); | |
2484 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2485 | struct port *port; | |
2486 | ||
2487 | br_refresh_stp_status(br); | |
2488 | HMAP_FOR_EACH (port, hmap_node, &br->ports) { | |
2489 | struct iface *iface; | |
2490 | ||
2491 | port_refresh_stp_status(port); | |
2492 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { | |
2493 | iface_refresh_netdev_status(iface); | |
2494 | iface_refresh_ofproto_status(iface); | |
2495 | } | |
2496 | } | |
2497 | } | |
2498 | } | |
2499 | } | |
2500 | ||
2501 | if (status_txn) { | |
2502 | enum ovsdb_idl_txn_status status; | |
2503 | ||
2504 | status = ovsdb_idl_txn_commit(status_txn); | |
2505 | /* Do not destroy "status_txn" if the transaction is | |
2506 | * "TXN_INCOMPLETE". */ | |
2507 | if (status != TXN_INCOMPLETE) { | |
2508 | ovsdb_idl_txn_destroy(status_txn); | |
2509 | status_txn = NULL; | |
15c9fbd8 AW |
2510 | |
2511 | /* Sets the 'status_txn_try_again' if the transaction fails. */ | |
2512 | if (status == TXN_SUCCESS || status == TXN_UNCHANGED) { | |
2513 | status_txn_try_again = false; | |
2514 | } else { | |
2515 | status_txn_try_again = true; | |
2516 | } | |
6a5f9a8f AW |
2517 | } |
2518 | } | |
2519 | ||
35a22d8c | 2520 | run_system_stats(); |
064af421 BP |
2521 | } |
2522 | ||
2523 | void | |
2524 | bridge_wait(void) | |
2525 | { | |
11a574a7 JP |
2526 | struct sset types; |
2527 | const char *type; | |
2528 | ||
c5187f17 | 2529 | ovsdb_idl_wait(idl); |
63ff04e8 BP |
2530 | if (daemonize_txn) { |
2531 | ovsdb_idl_txn_wait(daemonize_txn); | |
2532 | } | |
c7e7bb21 | 2533 | |
11a574a7 JP |
2534 | sset_init(&types); |
2535 | ofproto_enumerate_types(&types); | |
2536 | SSET_FOR_EACH (type, &types) { | |
2537 | ofproto_type_wait(type); | |
2538 | } | |
2539 | sset_destroy(&types); | |
2540 | ||
06b6d651 BP |
2541 | if (!hmap_is_empty(&all_bridges)) { |
2542 | struct bridge *br; | |
6586adf5 | 2543 | |
06b6d651 BP |
2544 | HMAP_FOR_EACH (br, node, &all_bridges) { |
2545 | ofproto_wait(br->ofproto); | |
2546 | } | |
12eb035b AW |
2547 | |
2548 | poll_timer_wait_until(stats_timer); | |
6586adf5 | 2549 | } |
35a22d8c | 2550 | |
15c9fbd8 AW |
2551 | /* If the 'status_txn' is non-null (transaction incomplete), waits for the |
2552 | * transaction to complete. If the status update to database needs to be | |
2553 | * run again (transaction fails), registers a timeout in | |
2554 | * 'STATUS_CHECK_AGAIN_MSEC'. Otherwise, waits on the global connectivity | |
2555 | * sequence number. */ | |
6a5f9a8f | 2556 | if (status_txn) { |
15c9fbd8 AW |
2557 | ovsdb_idl_txn_wait(status_txn); |
2558 | } else if (status_txn_try_again) { | |
6a5f9a8f AW |
2559 | poll_timer_wait_until(time_msec() + STATUS_CHECK_AGAIN_MSEC); |
2560 | } else { | |
2561 | seq_wait(connectivity_seq_get(), connectivity_seqno); | |
2562 | } | |
2563 | ||
35a22d8c | 2564 | system_stats_wait(); |
064af421 | 2565 | } |
0d085684 BP |
2566 | |
2567 | /* Adds some memory usage statistics for bridges into 'usage', for use with | |
2568 | * memory_report(). */ | |
2569 | void | |
2570 | bridge_get_memory_usage(struct simap *usage) | |
2571 | { | |
2572 | struct bridge *br; | |
1c030aa5 EJ |
2573 | struct sset types; |
2574 | const char *type; | |
2575 | ||
2576 | sset_init(&types); | |
2577 | ofproto_enumerate_types(&types); | |
2578 | SSET_FOR_EACH (type, &types) { | |
2579 | ofproto_type_get_memory_usage(type, usage); | |
2580 | } | |
2581 | sset_destroy(&types); | |
0d085684 BP |
2582 | |
2583 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
2584 | ofproto_get_memory_usage(br->ofproto, usage); | |
2585 | } | |
2586 | } | |
8c4c1387 | 2587 | \f |
e8fe3026 EJ |
2588 | /* QoS unixctl user interface functions. */ |
2589 | ||
2590 | struct qos_unixctl_show_cbdata { | |
2591 | struct ds *ds; | |
2592 | struct iface *iface; | |
2593 | }; | |
2594 | ||
2595 | static void | |
89454bf4 BP |
2596 | qos_unixctl_show_queue(unsigned int queue_id, |
2597 | const struct smap *details, | |
2598 | struct iface *iface, | |
2599 | struct ds *ds) | |
e8fe3026 | 2600 | { |
e8fe3026 | 2601 | struct netdev_queue_stats stats; |
79f1cbe9 | 2602 | struct smap_node *node; |
e8fe3026 EJ |
2603 | int error; |
2604 | ||
2605 | ds_put_cstr(ds, "\n"); | |
2606 | if (queue_id) { | |
2607 | ds_put_format(ds, "Queue %u:\n", queue_id); | |
2608 | } else { | |
2609 | ds_put_cstr(ds, "Default:\n"); | |
2610 | } | |
2611 | ||
79f1cbe9 EJ |
2612 | SMAP_FOR_EACH (node, details) { |
2613 | ds_put_format(ds, "\t%s: %s\n", node->key, node->value); | |
e8fe3026 EJ |
2614 | } |
2615 | ||
2616 | error = netdev_get_queue_stats(iface->netdev, queue_id, &stats); | |
2617 | if (!error) { | |
2618 | if (stats.tx_packets != UINT64_MAX) { | |
2619 | ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets); | |
2620 | } | |
2621 | ||
2622 | if (stats.tx_bytes != UINT64_MAX) { | |
2623 | ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes); | |
2624 | } | |
2625 | ||
2626 | if (stats.tx_errors != UINT64_MAX) { | |
2627 | ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors); | |
2628 | } | |
2629 | } else { | |
2630 | ds_put_format(ds, "\tFailed to get statistics for queue %u: %s", | |
10a89ef0 | 2631 | queue_id, ovs_strerror(error)); |
e8fe3026 EJ |
2632 | } |
2633 | } | |
2634 | ||
2635 | static void | |
0e15264f BP |
2636 | qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED, |
2637 | const char *argv[], void *aux OVS_UNUSED) | |
e8fe3026 EJ |
2638 | { |
2639 | struct ds ds = DS_EMPTY_INITIALIZER; | |
79f1cbe9 | 2640 | struct smap smap = SMAP_INITIALIZER(&smap); |
e8fe3026 EJ |
2641 | struct iface *iface; |
2642 | const char *type; | |
79f1cbe9 | 2643 | struct smap_node *node; |
e8fe3026 | 2644 | |
0e15264f | 2645 | iface = iface_find(argv[1]); |
e8fe3026 | 2646 | if (!iface) { |
bde9f75d | 2647 | unixctl_command_reply_error(conn, "no such interface"); |
e8fe3026 EJ |
2648 | return; |
2649 | } | |
2650 | ||
79f1cbe9 | 2651 | netdev_get_qos(iface->netdev, &type, &smap); |
e8fe3026 EJ |
2652 | |
2653 | if (*type != '\0') { | |
89454bf4 BP |
2654 | struct netdev_queue_dump dump; |
2655 | struct smap details; | |
2656 | unsigned int queue_id; | |
2657 | ||
e8fe3026 EJ |
2658 | ds_put_format(&ds, "QoS: %s %s\n", iface->name, type); |
2659 | ||
79f1cbe9 EJ |
2660 | SMAP_FOR_EACH (node, &smap) { |
2661 | ds_put_format(&ds, "%s: %s\n", node->key, node->value); | |
e8fe3026 EJ |
2662 | } |
2663 | ||
89454bf4 BP |
2664 | smap_init(&details); |
2665 | NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &dump, iface->netdev) { | |
2666 | qos_unixctl_show_queue(queue_id, &details, iface, &ds); | |
e8fe3026 | 2667 | } |
89454bf4 BP |
2668 | smap_destroy(&details); |
2669 | ||
bde9f75d | 2670 | unixctl_command_reply(conn, ds_cstr(&ds)); |
e8fe3026 EJ |
2671 | } else { |
2672 | ds_put_format(&ds, "QoS not configured on %s\n", iface->name); | |
bde9f75d | 2673 | unixctl_command_reply_error(conn, ds_cstr(&ds)); |
e8fe3026 EJ |
2674 | } |
2675 | ||
79f1cbe9 | 2676 | smap_destroy(&smap); |
e8fe3026 EJ |
2677 | ds_destroy(&ds); |
2678 | } | |
2679 | \f | |
064af421 | 2680 | /* Bridge reconfiguration functions. */ |
66da9bef | 2681 | static void |
1a6f1e2a | 2682 | bridge_create(const struct ovsrec_bridge *br_cfg) |
064af421 BP |
2683 | { |
2684 | struct bridge *br; | |
064af421 | 2685 | |
cb22974d | 2686 | ovs_assert(!bridge_lookup(br_cfg->name)); |
ec6fde61 | 2687 | br = xzalloc(sizeof *br); |
064af421 | 2688 | |
1a6f1e2a | 2689 | br->name = xstrdup(br_cfg->name); |
f79e673f | 2690 | br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type)); |
1a6f1e2a | 2691 | br->cfg = br_cfg; |
e3f55cb8 BP |
2692 | |
2693 | /* Derive the default Ethernet address from the bridge's UUID. This should | |
2694 | * be unique and it will be stable between ovs-vswitchd runs. */ | |
2695 | memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN); | |
2696 | eth_addr_mark_random(br->default_ea); | |
064af421 | 2697 | |
8052fb14 | 2698 | hmap_init(&br->ports); |
d9a8717a | 2699 | hmap_init(&br->ifaces); |
ebea37cc | 2700 | hmap_init(&br->iface_by_name); |
fa066f01 | 2701 | hmap_init(&br->mirrors); |
4a1ee6ae | 2702 | |
764072fd | 2703 | hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0)); |
064af421 BP |
2704 | } |
2705 | ||
2706 | static void | |
2707 | bridge_destroy(struct bridge *br) | |
2708 | { | |
2709 | if (br) { | |
fa066f01 BP |
2710 | struct mirror *mirror, *next_mirror; |
2711 | struct port *port, *next_port; | |
064af421 | 2712 | |
fa066f01 | 2713 | HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) { |
8052fb14 | 2714 | port_destroy(port); |
064af421 | 2715 | } |
fa066f01 BP |
2716 | HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) { |
2717 | mirror_destroy(mirror); | |
f76e2dfc | 2718 | } |
bae7208e | 2719 | |
764072fd | 2720 | hmap_remove(&all_bridges, &br->node); |
6d6ab93e | 2721 | ofproto_destroy(br->ofproto); |
d9a8717a | 2722 | hmap_destroy(&br->ifaces); |
8052fb14 | 2723 | hmap_destroy(&br->ports); |
ebea37cc | 2724 | hmap_destroy(&br->iface_by_name); |
fa066f01 | 2725 | hmap_destroy(&br->mirrors); |
064af421 | 2726 | free(br->name); |
66da9bef | 2727 | free(br->type); |
064af421 BP |
2728 | free(br); |
2729 | } | |
2730 | } | |
2731 | ||
2732 | static struct bridge * | |
2733 | bridge_lookup(const char *name) | |
2734 | { | |
2735 | struct bridge *br; | |
2736 | ||
764072fd | 2737 | HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) { |
064af421 BP |
2738 | if (!strcmp(br->name, name)) { |
2739 | return br; | |
2740 | } | |
2741 | } | |
2742 | return NULL; | |
2743 | } | |
2744 | ||
4f2cad2c JP |
2745 | /* Handle requests for a listing of all flows known by the OpenFlow |
2746 | * stack, including those normally hidden. */ | |
2747 | static void | |
0e15264f BP |
2748 | bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED, |
2749 | const char *argv[], void *aux OVS_UNUSED) | |
4f2cad2c JP |
2750 | { |
2751 | struct bridge *br; | |
2752 | struct ds results; | |
d295e8e9 | 2753 | |
0e15264f | 2754 | br = bridge_lookup(argv[1]); |
4f2cad2c | 2755 | if (!br) { |
bde9f75d | 2756 | unixctl_command_reply_error(conn, "Unknown bridge"); |
4f2cad2c JP |
2757 | return; |
2758 | } | |
2759 | ||
2760 | ds_init(&results); | |
2761 | ofproto_get_all_flows(br->ofproto, &results); | |
2762 | ||
bde9f75d | 2763 | unixctl_command_reply(conn, ds_cstr(&results)); |
4f2cad2c JP |
2764 | ds_destroy(&results); |
2765 | } | |
2766 | ||
fa05809b BP |
2767 | /* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller |
2768 | * connections and reconnect. If BRIDGE is not specified, then all bridges | |
2769 | * drop their controller connections and reconnect. */ | |
2770 | static void | |
0e15264f BP |
2771 | bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc, |
2772 | const char *argv[], void *aux OVS_UNUSED) | |
fa05809b BP |
2773 | { |
2774 | struct bridge *br; | |
0e15264f BP |
2775 | if (argc > 1) { |
2776 | br = bridge_lookup(argv[1]); | |
fa05809b | 2777 | if (!br) { |
bde9f75d | 2778 | unixctl_command_reply_error(conn, "Unknown bridge"); |
fa05809b BP |
2779 | return; |
2780 | } | |
2781 | ofproto_reconnect_controllers(br->ofproto); | |
2782 | } else { | |
764072fd | 2783 | HMAP_FOR_EACH (br, node, &all_bridges) { |
fa05809b BP |
2784 | ofproto_reconnect_controllers(br->ofproto); |
2785 | } | |
2786 | } | |
bde9f75d | 2787 | unixctl_command_reply(conn, NULL); |
fa05809b BP |
2788 | } |
2789 | ||
76ce9432 | 2790 | static size_t |
1a048029 | 2791 | bridge_get_controllers(const struct bridge *br, |
76ce9432 | 2792 | struct ovsrec_controller ***controllersp) |
064af421 | 2793 | { |
76ce9432 BP |
2794 | struct ovsrec_controller **controllers; |
2795 | size_t n_controllers; | |
064af421 | 2796 | |
1a048029 JP |
2797 | controllers = br->cfg->controller; |
2798 | n_controllers = br->cfg->n_controller; | |
76343538 | 2799 | |
76ce9432 BP |
2800 | if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) { |
2801 | controllers = NULL; | |
2802 | n_controllers = 0; | |
064af421 | 2803 | } |
76343538 | 2804 | |
76ce9432 BP |
2805 | if (controllersp) { |
2806 | *controllersp = controllers; | |
2807 | } | |
2808 | return n_controllers; | |
064af421 BP |
2809 | } |
2810 | ||
bae7208e | 2811 | static void |
2a73b1d7 BP |
2812 | bridge_collect_wanted_ports(struct bridge *br, |
2813 | const unsigned long int *splinter_vlans, | |
2814 | struct shash *wanted_ports) | |
bae7208e | 2815 | { |
6ae39834 | 2816 | size_t i; |
064af421 | 2817 | |
2a73b1d7 | 2818 | shash_init(wanted_ports); |
bae7208e | 2819 | |
76343538 BP |
2820 | for (i = 0; i < br->cfg->n_ports; i++) { |
2821 | const char *name = br->cfg->ports[i]->name; | |
2a73b1d7 | 2822 | if (!shash_add_once(wanted_ports, name, br->cfg->ports[i])) { |
76343538 BP |
2823 | VLOG_WARN("bridge %s: %s specified twice as bridge port", |
2824 | br->name, name); | |
2825 | } | |
2826 | } | |
b5827b24 | 2827 | if (bridge_get_controllers(br, NULL) |
2a73b1d7 | 2828 | && !shash_find(wanted_ports, br->name)) { |
cfea354b BP |
2829 | VLOG_WARN("bridge %s: no port named %s, synthesizing one", |
2830 | br->name, br->name); | |
72865317 | 2831 | |
a699f614 EJ |
2832 | ovsrec_interface_init(&br->synth_local_iface); |
2833 | ovsrec_port_init(&br->synth_local_port); | |
2834 | ||
cfea354b BP |
2835 | br->synth_local_port.interfaces = &br->synth_local_ifacep; |
2836 | br->synth_local_port.n_interfaces = 1; | |
2837 | br->synth_local_port.name = br->name; | |
2838 | ||
2839 | br->synth_local_iface.name = br->name; | |
66da9bef | 2840 | br->synth_local_iface.type = "internal"; |
cfea354b BP |
2841 | |
2842 | br->synth_local_ifacep = &br->synth_local_iface; | |
2843 | ||
2a73b1d7 | 2844 | shash_add(wanted_ports, br->name, &br->synth_local_port); |
064af421 | 2845 | } |
064af421 | 2846 | |
52a90c29 | 2847 | if (splinter_vlans) { |
2a73b1d7 | 2848 | add_vlan_splinter_ports(br, splinter_vlans, wanted_ports); |
52a90c29 | 2849 | } |
2a73b1d7 BP |
2850 | } |
2851 | ||
2852 | /* Deletes "struct port"s and "struct iface"s under 'br' which aren't | |
2853 | * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which | |
2854 | * 'br' needs to complete its configuration. */ | |
2855 | static void | |
2856 | bridge_del_ports(struct bridge *br, const struct shash *wanted_ports) | |
2857 | { | |
2858 | struct shash_node *port_node; | |
2859 | struct port *port, *next; | |
52a90c29 | 2860 | |
4a1ee6ae | 2861 | /* Get rid of deleted ports. |
a70e4b2a | 2862 | * Get rid of deleted interfaces on ports that still exist. */ |
8052fb14 | 2863 | HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) { |
2a73b1d7 | 2864 | port->cfg = shash_find_data(wanted_ports, port->name); |
66da9bef | 2865 | if (!port->cfg) { |
4a1ee6ae BP |
2866 | port_destroy(port); |
2867 | } else { | |
66da9bef | 2868 | port_del_ifaces(port); |
064af421 BP |
2869 | } |
2870 | } | |
4a1ee6ae | 2871 | |
2a73b1d7 BP |
2872 | /* Update iface->cfg and iface->type in interfaces that still exist. */ |
2873 | SHASH_FOR_EACH (port_node, wanted_ports) { | |
bae7208e EJ |
2874 | const struct ovsrec_port *port = port_node->data; |
2875 | size_t i; | |
2876 | ||
2877 | for (i = 0; i < port->n_interfaces; i++) { | |
2878 | const struct ovsrec_interface *cfg = port->interfaces[i]; | |
2879 | struct iface *iface = iface_lookup(br, cfg->name); | |
046f1f89 | 2880 | const char *type = iface_get_type(cfg, br->cfg); |
bae7208e EJ |
2881 | |
2882 | if (iface) { | |
2883 | iface->cfg = cfg; | |
046f1f89 | 2884 | iface->type = type; |
0faed346 EJ |
2885 | } else if (!strcmp(type, "null")) { |
2886 | VLOG_WARN_ONCE("%s: The null interface type is deprecated and" | |
2887 | " may be removed in February 2013. Please email" | |
2888 | " dev@openvswitch.org with concerns.", | |
2889 | cfg->name); | |
2890 | } else { | |
2a73b1d7 | 2891 | /* We will add new interfaces later. */ |
bae7208e | 2892 | } |
ceb4559f | 2893 | } |
064af421 | 2894 | } |
064af421 BP |
2895 | } |
2896 | ||
7d674866 BP |
2897 | /* Initializes 'oc' appropriately as a management service controller for |
2898 | * 'br'. | |
2899 | * | |
2900 | * The caller must free oc->target when it is no longer needed. */ | |
2901 | static void | |
2902 | bridge_ofproto_controller_for_mgmt(const struct bridge *br, | |
2903 | struct ofproto_controller *oc) | |
2904 | { | |
b43c6fe2 | 2905 | oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name); |
7d674866 BP |
2906 | oc->max_backoff = 0; |
2907 | oc->probe_interval = 60; | |
2908 | oc->band = OFPROTO_OUT_OF_BAND; | |
7d674866 BP |
2909 | oc->rate_limit = 0; |
2910 | oc->burst_limit = 0; | |
9886b662 | 2911 | oc->enable_async_msgs = true; |
10bf2380 | 2912 | oc->dscp = 0; |
7d674866 BP |
2913 | } |
2914 | ||
2915 | /* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */ | |
2916 | static void | |
2917 | bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c, | |
2918 | struct ofproto_controller *oc) | |
2919 | { | |
a699f614 | 2920 | int dscp; |
f125905c | 2921 | |
7d674866 BP |
2922 | oc->target = c->target; |
2923 | oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8; | |
2924 | oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5; | |
2925 | oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band") | |
2926 | ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND); | |
7d674866 BP |
2927 | oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0; |
2928 | oc->burst_limit = (c->controller_burst_limit | |
2929 | ? *c->controller_burst_limit : 0); | |
9886b662 BP |
2930 | oc->enable_async_msgs = (!c->enable_async_messages |
2931 | || *c->enable_async_messages); | |
a699f614 EJ |
2932 | dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT); |
2933 | if (dscp < 0 || dscp > 63) { | |
2934 | dscp = DSCP_DEFAULT; | |
f125905c | 2935 | } |
a699f614 | 2936 | oc->dscp = dscp; |
7d674866 BP |
2937 | } |
2938 | ||
2939 | /* Configures the IP stack for 'br''s local interface properly according to the | |
2940 | * configuration in 'c'. */ | |
2941 | static void | |
2942 | bridge_configure_local_iface_netdev(struct bridge *br, | |
2943 | struct ovsrec_controller *c) | |
2944 | { | |
2945 | struct netdev *netdev; | |
2946 | struct in_addr mask, gateway; | |
2947 | ||
2948 | struct iface *local_iface; | |
2949 | struct in_addr ip; | |
2950 | ||
7d674866 | 2951 | /* If there's no local interface or no IP address, give up. */ |
892815f5 | 2952 | local_iface = iface_from_ofp_port(br, OFPP_LOCAL); |
1bbd1728 GS |
2953 | if (!local_iface || !c->local_ip |
2954 | || !inet_pton(AF_INET, c->local_ip, &ip)) { | |
7d674866 BP |
2955 | return; |
2956 | } | |
2957 | ||
2958 | /* Bring up the local interface. */ | |
2959 | netdev = local_iface->netdev; | |
4b609110 | 2960 | netdev_turn_flags_on(netdev, NETDEV_UP, NULL); |
7d674866 BP |
2961 | |
2962 | /* Configure the IP address and netmask. */ | |
2963 | if (!c->local_netmask | |
1bbd1728 | 2964 | || !inet_pton(AF_INET, c->local_netmask, &mask) |
7d674866 BP |
2965 | || !mask.s_addr) { |
2966 | mask.s_addr = guess_netmask(ip.s_addr); | |
2967 | } | |
2968 | if (!netdev_set_in4(netdev, ip, mask)) { | |
2969 | VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT, | |
ed36537e | 2970 | br->name, IP_ARGS(ip.s_addr), IP_ARGS(mask.s_addr)); |
7d674866 BP |
2971 | } |
2972 | ||
2973 | /* Configure the default gateway. */ | |
2974 | if (c->local_gateway | |
1bbd1728 | 2975 | && inet_pton(AF_INET, c->local_gateway, &gateway) |
7d674866 BP |
2976 | && gateway.s_addr) { |
2977 | if (!netdev_add_router(netdev, gateway)) { | |
2978 | VLOG_INFO("bridge %s: configured gateway "IP_FMT, | |
ed36537e | 2979 | br->name, IP_ARGS(gateway.s_addr)); |
7d674866 BP |
2980 | } |
2981 | } | |
2982 | } | |
2983 | ||
cb4ef1ea BP |
2984 | /* Returns true if 'a' and 'b' are the same except that any number of slashes |
2985 | * in either string are treated as equal to any number of slashes in the other, | |
329e3462 PR |
2986 | * e.g. "x///y" is equal to "x/y". |
2987 | * | |
2988 | * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding | |
2989 | * bytes from 'a', the function considers this success. Specify 'b_stoplen' as | |
2990 | * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of | |
2991 | * 'b' against a prefix of 'a'. | |
2992 | */ | |
cb4ef1ea | 2993 | static bool |
329e3462 | 2994 | equal_pathnames(const char *a, const char *b, size_t b_stoplen) |
cb4ef1ea | 2995 | { |
329e3462 | 2996 | const char *b_start = b; |
4a1d4e86 BP |
2997 | for (;;) { |
2998 | if (b - b_start >= b_stoplen) { | |
2999 | return true; | |
3000 | } else if (*a != *b) { | |
3001 | return false; | |
3002 | } else if (*a == '/') { | |
cb4ef1ea BP |
3003 | a += strspn(a, "/"); |
3004 | b += strspn(b, "/"); | |
3005 | } else if (*a == '\0') { | |
3006 | return true; | |
3007 | } else { | |
3008 | a++; | |
3009 | b++; | |
3010 | } | |
3011 | } | |
cb4ef1ea BP |
3012 | } |
3013 | ||
064af421 | 3014 | static void |
fa066f01 BP |
3015 | bridge_configure_remotes(struct bridge *br, |
3016 | const struct sockaddr_in *managers, size_t n_managers) | |
064af421 | 3017 | { |
a699f614 | 3018 | bool disable_in_band; |
b1da6250 | 3019 | |
76ce9432 BP |
3020 | struct ovsrec_controller **controllers; |
3021 | size_t n_controllers; | |
7d674866 | 3022 | |
66da9bef | 3023 | enum ofproto_fail_mode fail_mode; |
7d674866 BP |
3024 | |
3025 | struct ofproto_controller *ocs; | |
3026 | size_t n_ocs; | |
3027 | size_t i; | |
064af421 | 3028 | |
8731b2b6 | 3029 | /* Check if we should disable in-band control on this bridge. */ |
a699f614 EJ |
3030 | disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band", |
3031 | false); | |
8731b2b6 | 3032 | |
b1da6250 | 3033 | /* Set OpenFlow queue ID for in-band control. */ |
a699f614 EJ |
3034 | ofproto_set_in_band_queue(br->ofproto, |
3035 | smap_get_int(&br->cfg->other_config, | |
3036 | "in-band-queue", -1)); | |
b1da6250 | 3037 | |
8731b2b6 JP |
3038 | if (disable_in_band) { |
3039 | ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0); | |
3040 | } else { | |
3041 | ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers); | |
3042 | } | |
cd11000b | 3043 | |
1a048029 | 3044 | n_controllers = bridge_get_controllers(br, &controllers); |
064af421 | 3045 | |
7d674866 BP |
3046 | ocs = xmalloc((n_controllers + 1) * sizeof *ocs); |
3047 | n_ocs = 0; | |
064af421 | 3048 | |
7d674866 BP |
3049 | bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]); |
3050 | for (i = 0; i < n_controllers; i++) { | |
3051 | struct ovsrec_controller *c = controllers[i]; | |
76ce9432 | 3052 | |
7d674866 BP |
3053 | if (!strncmp(c->target, "punix:", 6) |
3054 | || !strncmp(c->target, "unix:", 5)) { | |
3055 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
cb4ef1ea BP |
3056 | char *whitelist; |
3057 | ||
329e3462 PR |
3058 | if (!strncmp(c->target, "unix:", 5)) { |
3059 | /* Connect to a listening socket */ | |
3060 | whitelist = xasprintf("unix:%s/", ovs_rundir()); | |
2c487bc8 PR |
3061 | if (strchr(c->target, '/') && |
3062 | !equal_pathnames(c->target, whitelist, | |
3063 | strlen(whitelist))) { | |
3064 | /* Absolute path specified, but not in ovs_rundir */ | |
329e3462 PR |
3065 | VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket " |
3066 | "controller \"%s\" due to possibility for " | |
3067 | "remote exploit. Instead, specify socket " | |
3068 | "in whitelisted \"%s\" or connect to " | |
3069 | "\"unix:%s/%s.mgmt\" (which is always " | |
3070 | "available without special configuration).", | |
3071 | br->name, c->target, whitelist, | |
cb4ef1ea | 3072 | ovs_rundir(), br->name); |
329e3462 PR |
3073 | free(whitelist); |
3074 | continue; | |
3075 | } | |
3076 | } else { | |
3077 | whitelist = xasprintf("punix:%s/%s.controller", | |
3078 | ovs_rundir(), br->name); | |
3079 | if (!equal_pathnames(c->target, whitelist, SIZE_MAX)) { | |
3080 | /* Prevent remote ovsdb-server users from accessing | |
3081 | * arbitrary Unix domain sockets and overwriting arbitrary | |
3082 | * local files. */ | |
3083 | VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket " | |
3084 | "controller \"%s\" due to possibility of " | |
3085 | "overwriting local files. Instead, specify " | |
3086 | "whitelisted \"%s\" or connect to " | |
3087 | "\"unix:%s/%s.mgmt\" (which is always " | |
3088 | "available without special configuration).", | |
3089 | br->name, c->target, whitelist, | |
3090 | ovs_rundir(), br->name); | |
3091 | free(whitelist); | |
3092 | continue; | |
3093 | } | |
cb4ef1ea | 3094 | } |
4d6fb5eb | 3095 | |
cb4ef1ea | 3096 | free(whitelist); |
4d6fb5eb EJ |
3097 | } |
3098 | ||
7d674866 | 3099 | bridge_configure_local_iface_netdev(br, c); |
8731b2b6 JP |
3100 | bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]); |
3101 | if (disable_in_band) { | |
3102 | ocs[n_ocs].band = OFPROTO_OUT_OF_BAND; | |
f620b43a | 3103 | } |
8731b2b6 | 3104 | n_ocs++; |
be02e7c3 | 3105 | } |
be02e7c3 | 3106 | |
7beaa082 SH |
3107 | ofproto_set_controllers(br->ofproto, ocs, n_ocs, |
3108 | bridge_get_allowed_versions(br)); | |
7d674866 BP |
3109 | free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */ |
3110 | free(ocs); | |
66da9bef BP |
3111 | |
3112 | /* Set the fail-mode. */ | |
3113 | fail_mode = !br->cfg->fail_mode | |
3114 | || !strcmp(br->cfg->fail_mode, "standalone") | |
3115 | ? OFPROTO_FAIL_STANDALONE | |
3116 | : OFPROTO_FAIL_SECURE; | |
3117 | ofproto_set_fail_mode(br->ofproto, fail_mode); | |
3118 | ||
3119 | /* Configure OpenFlow controller connection snooping. */ | |
3120 | if (!ofproto_has_snoops(br->ofproto)) { | |
3121 | struct sset snoops; | |
5827ce14 | 3122 | |
66da9bef BP |
3123 | sset_init(&snoops); |
3124 | sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop", | |
3125 | ovs_rundir(), br->name)); | |
3126 | ofproto_set_snoops(br->ofproto, &snoops); | |
3127 | sset_destroy(&snoops); | |
064af421 BP |
3128 | } |
3129 | } | |
254750ce BP |
3130 | |
3131 | static void | |
3132 | bridge_configure_tables(struct bridge *br) | |
3133 | { | |
3134 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5); | |
3135 | int n_tables; | |
13751fd8 | 3136 | int i, j, k; |
254750ce BP |
3137 | |
3138 | n_tables = ofproto_get_n_tables(br->ofproto); | |
3139 | j = 0; | |
3140 | for (i = 0; i < n_tables; i++) { | |
3141 | struct ofproto_table_settings s; | |
480cda3a | 3142 | bool use_default_prefixes = true; |
254750ce BP |
3143 | |
3144 | s.name = NULL; | |
3145 | s.max_flows = UINT_MAX; | |
3146 | s.groups = NULL; | |
3147 | s.n_groups = 0; | |
13751fd8 JR |
3148 | s.n_prefix_fields = 0; |
3149 | memset(s.prefix_fields, ~0, sizeof(s.prefix_fields)); | |
254750ce BP |
3150 | |
3151 | if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) { | |
3152 | struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++]; | |
3153 | ||
3154 | s.name = cfg->name; | |
3155 | if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) { | |
3156 | s.max_flows = *cfg->flow_limit; | |
3157 | } | |
3158 | if (cfg->overflow_policy | |
3159 | && !strcmp(cfg->overflow_policy, "evict")) { | |
254750ce BP |
3160 | |
3161 | s.groups = xmalloc(cfg->n_groups * sizeof *s.groups); | |
3162 | for (k = 0; k < cfg->n_groups; k++) { | |
3163 | const char *string = cfg->groups[k]; | |
3164 | char *msg; | |
3165 | ||
3166 | msg = mf_parse_subfield__(&s.groups[k], &string); | |
3167 | if (msg) { | |
3168 | VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing " | |
3169 | "'groups' (%s)", br->name, i, msg); | |
3170 | free(msg); | |
3171 | } else if (*string) { | |
3172 | VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' " | |
3173 | "element '%s' contains trailing garbage", | |
3174 | br->name, i, cfg->groups[k]); | |
3175 | } else { | |
3176 | s.n_groups++; | |
3177 | } | |
3178 | } | |
3179 | } | |
13751fd8 JR |
3180 | /* Prefix lookup fields. */ |
3181 | s.n_prefix_fields = 0; | |
3182 | for (k = 0; k < cfg->n_prefixes; k++) { | |
3183 | const char *name = cfg->prefixes[k]; | |
f017d986 JR |
3184 | const struct mf_field *mf; |
3185 | ||
3186 | if (strcmp(name, "none") == 0) { | |
480cda3a JR |
3187 | use_default_prefixes = false; |
3188 | s.n_prefix_fields = 0; | |
3189 | break; | |
f017d986 JR |
3190 | } |
3191 | mf = mf_from_name(name); | |
13751fd8 JR |
3192 | if (!mf) { |
3193 | VLOG_WARN("bridge %s: 'prefixes' with unknown field: %s", | |
3194 | br->name, name); | |
3195 | continue; | |
3196 | } | |
3197 | if (mf->flow_be32ofs < 0 || mf->n_bits % 32) { | |
3198 | VLOG_WARN("bridge %s: 'prefixes' with incompatible field: " | |
3199 | "%s", br->name, name); | |
3200 | continue; | |
3201 | } | |
3202 | if (s.n_prefix_fields >= ARRAY_SIZE(s.prefix_fields)) { | |
3203 | VLOG_WARN("bridge %s: 'prefixes' with too many fields, " | |
3204 | "field not used: %s", br->name, name); | |
3205 | continue; | |
3206 | } | |
480cda3a | 3207 | use_default_prefixes = false; |
13751fd8 JR |
3208 | s.prefix_fields[s.n_prefix_fields++] = mf->id; |
3209 | } | |
480cda3a JR |
3210 | } |
3211 | if (use_default_prefixes) { | |
3212 | /* Use default values. */ | |
3213 | s.n_prefix_fields = ARRAY_SIZE(default_prefix_fields); | |
3214 | memcpy(s.prefix_fields, default_prefix_fields, | |
3215 | sizeof default_prefix_fields); | |
3216 | } else { | |
3217 | int k; | |
3218 | struct ds ds = DS_EMPTY_INITIALIZER; | |
3219 | for (k = 0; k < s.n_prefix_fields; k++) { | |
3220 | if (k) { | |
3221 | ds_put_char(&ds, ','); | |
13751fd8 | 3222 | } |
480cda3a JR |
3223 | ds_put_cstr(&ds, mf_from_id(s.prefix_fields[k])->name); |
3224 | } | |
3225 | if (s.n_prefix_fields == 0) { | |
3226 | ds_put_cstr(&ds, "none"); | |
13751fd8 | 3227 | } |
480cda3a JR |
3228 | VLOG_INFO("bridge %s table %d: Prefix lookup with: %s.", |
3229 | br->name, i, ds_cstr(&ds)); | |
3230 | ds_destroy(&ds); | |
254750ce BP |
3231 | } |
3232 | ||
3233 | ofproto_configure_table(br->ofproto, i, &s); | |
3234 | ||
3235 | free(s.groups); | |
3236 | } | |
3237 | for (; j < br->cfg->n_flow_tables; j++) { | |
3238 | VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table " | |
3239 | "%"PRId64" not supported by this datapath", br->name, | |
3240 | br->cfg->key_flow_tables[j]); | |
3241 | } | |
3242 | } | |
8b6ff729 BP |
3243 | |
3244 | static void | |
3245 | bridge_configure_dp_desc(struct bridge *br) | |
3246 | { | |
3247 | ofproto_set_dp_desc(br->ofproto, | |
3248 | smap_get(&br->cfg->other_config, "dp-desc")); | |
3249 | } | |
064af421 | 3250 | \f |
fa066f01 | 3251 | /* Port functions. */ |
064af421 | 3252 | |
f620b43a | 3253 | static struct port * |
fa066f01 | 3254 | port_create(struct bridge *br, const struct ovsrec_port *cfg) |
064af421 | 3255 | { |
f620b43a BP |
3256 | struct port *port; |
3257 | ||
3258 | port = xzalloc(sizeof *port); | |
3259 | port->bridge = br; | |
fa066f01 BP |
3260 | port->name = xstrdup(cfg->name); |
3261 | port->cfg = cfg; | |
f620b43a BP |
3262 | list_init(&port->ifaces); |
3263 | ||
3264 | hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0)); | |
f620b43a | 3265 | return port; |
064af421 BP |
3266 | } |
3267 | ||
fa066f01 | 3268 | /* Deletes interfaces from 'port' that are no longer configured for it. */ |
064af421 | 3269 | static void |
fa066f01 | 3270 | port_del_ifaces(struct port *port) |
064af421 | 3271 | { |
f620b43a BP |
3272 | struct iface *iface, *next; |
3273 | struct sset new_ifaces; | |
3274 | size_t i; | |
064af421 | 3275 | |
f620b43a BP |
3276 | /* Collect list of new interfaces. */ |
3277 | sset_init(&new_ifaces); | |
fa066f01 BP |
3278 | for (i = 0; i < port->cfg->n_interfaces; i++) { |
3279 | const char *name = port->cfg->interfaces[i]->name; | |
93f331d3 | 3280 | const char *type = port->cfg->interfaces[i]->type; |
00794817 BP |
3281 | if (strcmp(type, "null")) { |
3282 | sset_add(&new_ifaces, name); | |
3283 | } | |
f620b43a | 3284 | } |
064af421 | 3285 | |
f620b43a BP |
3286 | /* Get rid of deleted interfaces. */ |
3287 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { | |
3288 | if (!sset_contains(&new_ifaces, iface->name)) { | |
3289 | iface_destroy(iface); | |
064af421 | 3290 | } |
064af421 | 3291 | } |
f620b43a BP |
3292 | |
3293 | sset_destroy(&new_ifaces); | |
064af421 BP |
3294 | } |
3295 | ||
064af421 BP |
3296 | static void |
3297 | port_destroy(struct port *port) | |
3298 | { | |
3299 | if (port) { | |
3300 | struct bridge *br = port->bridge; | |
83db7968 | 3301 | struct iface *iface, *next; |
064af421 | 3302 | |
fa066f01 BP |
3303 | if (br->ofproto) { |
3304 | ofproto_bundle_unregister(br->ofproto, port); | |
064af421 BP |
3305 | } |
3306 | ||
83db7968 | 3307 | LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) { |
2a73b1d7 | 3308 | iface_destroy__(iface); |
064af421 BP |
3309 | } |
3310 | ||
8052fb14 | 3311 | hmap_remove(&br->ports, &port->hmap_node); |
064af421 BP |
3312 | free(port->name); |
3313 | free(port); | |
064af421 BP |
3314 | } |
3315 | } | |
3316 | ||
064af421 BP |
3317 | static struct port * |
3318 | port_lookup(const struct bridge *br, const char *name) | |
3319 | { | |
8052fb14 BP |
3320 | struct port *port; |
3321 | ||
3322 | HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0), | |
3323 | &br->ports) { | |
3324 | if (!strcmp(port->name, name)) { | |
3325 | return port; | |
3326 | } | |
3327 | } | |
3328 | return NULL; | |
064af421 BP |
3329 | } |
3330 | ||
7a673515 BP |
3331 | static bool |
3332 | enable_lacp(struct port *port, bool *activep) | |
3333 | { | |
3334 | if (!port->cfg->lacp) { | |
3335 | /* XXX when LACP implementation has been sufficiently tested, enable by | |
3336 | * default and make active on bonded ports. */ | |
3337 | return false; | |
3338 | } else if (!strcmp(port->cfg->lacp, "off")) { | |
3339 | return false; | |
3340 | } else if (!strcmp(port->cfg->lacp, "active")) { | |
3341 | *activep = true; | |
3342 | return true; | |
3343 | } else if (!strcmp(port->cfg->lacp, "passive")) { | |
3344 | *activep = false; | |
3345 | return true; | |
3346 | } else { | |
3347 | VLOG_WARN("port %s: unknown LACP mode %s", | |
3348 | port->name, port->cfg->lacp); | |
3349 | return false; | |
3350 | } | |
3351 | } | |
3352 | ||
fa066f01 BP |
3353 | static struct lacp_settings * |
3354 | port_configure_lacp(struct port *port, struct lacp_settings *s) | |
5827ce14 | 3355 | { |
e567943d | 3356 | const char *lacp_time, *system_id; |
b5a25389 | 3357 | int priority; |
5827ce14 | 3358 | |
fa066f01 BP |
3359 | if (!enable_lacp(port, &s->active)) { |
3360 | return NULL; | |
abd4a95d EJ |
3361 | } |
3362 | ||
fa066f01 | 3363 | s->name = port->name; |
e567943d | 3364 | |
a699f614 | 3365 | system_id = smap_get(&port->cfg->other_config, "lacp-system-id"); |
a9bf011b | 3366 | if (system_id) { |
c2c28dfd BP |
3367 | if (!ovs_scan(system_id, ETH_ADDR_SCAN_FMT, |
3368 | ETH_ADDR_SCAN_ARGS(s->id))) { | |
a9bf011b EJ |
3369 | VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet" |
3370 | " address.", port->name, system_id); | |
3371 | return NULL; | |
3372 | } | |
3373 | } else { | |
e567943d EJ |
3374 | memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN); |
3375 | } | |
b5a25389 | 3376 | |
69fdadb1 EJ |
3377 | if (eth_addr_is_zero(s->id)) { |
3378 | VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name); | |
3379 | return NULL; | |
3380 | } | |
3381 | ||
b5a25389 | 3382 | /* Prefer bondable links if unspecified. */ |
a699f614 EJ |
3383 | priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority", |
3384 | 0); | |
fa066f01 BP |
3385 | s->priority = (priority > 0 && priority <= UINT16_MAX |
3386 | ? priority | |
3387 | : UINT16_MAX - !list_is_short(&port->ifaces)); | |
b5a25389 | 3388 | |
a699f614 EJ |
3389 | lacp_time = smap_get(&port->cfg->other_config, "lacp-time"); |
3390 | s->fast = lacp_time && !strcasecmp(lacp_time, "fast"); | |
9dd165e0 RK |
3391 | |
3392 | s->fallback_ab_cfg = smap_get_bool(&port->cfg->other_config, | |
3393 | "lacp-fallback-ab", false); | |
3394 | ||
fa066f01 BP |
3395 | return s; |
3396 | } | |
5827ce14 | 3397 | |
fa066f01 BP |
3398 | static void |
3399 | iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s) | |
3400 | { | |
00794817 | 3401 | int priority, portid, key; |
5827ce14 | 3402 | |
a699f614 EJ |
3403 | portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0); |
3404 | priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority", | |
3405 | 0); | |
3406 | key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0); | |
fa066f01 BP |
3407 | |
3408 | if (portid <= 0 || portid > UINT16_MAX) { | |
4e022ec0 | 3409 | portid = ofp_to_u16(iface->ofp_port); |
5827ce14 EJ |
3410 | } |
3411 | ||
fa066f01 BP |
3412 | if (priority <= 0 || priority > UINT16_MAX) { |
3413 | priority = UINT16_MAX; | |
3414 | } | |
5827ce14 | 3415 | |
00794817 BP |
3416 | if (key < 0 || key > UINT16_MAX) { |
3417 | key = 0; | |
5827ce14 | 3418 | } |
00794817 | 3419 | |
fa066f01 | 3420 | s->name = iface->name; |
fa066f01 BP |
3421 | s->id = portid; |
3422 | s->priority = priority; | |
00794817 | 3423 | s->key = key; |
bb5bc6c0 BP |
3424 | } |
3425 | ||
c25c91fd | 3426 | static void |
df53d41c | 3427 | port_configure_bond(struct port *port, struct bond_settings *s) |
c25c91fd | 3428 | { |
f620b43a | 3429 | const char *detect_s; |
7a673515 | 3430 | struct iface *iface; |
1670c579 | 3431 | int miimon_interval; |
c25c91fd | 3432 | |
fa066f01 | 3433 | s->name = port->name; |
4df08875 | 3434 | s->balance = BM_AB; |
4c57c3bc EJ |
3435 | if (port->cfg->bond_mode) { |
3436 | if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) { | |
3437 | VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s", | |
3438 | port->name, port->cfg->bond_mode, | |
3439 | bond_mode_to_string(s->balance)); | |
3440 | } | |
3441 | } else { | |
3442 | static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1); | |
3443 | ||
4df08875 EJ |
3444 | /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to |
3445 | * active-backup. At some point we should remove this warning. */ | |
4c57c3bc | 3446 | VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that" |
4df08875 EJ |
3447 | " in previous versions, the default bond_mode was" |
3448 | " balance-slb", port->name, | |
4c57c3bc | 3449 | bond_mode_to_string(s->balance)); |
f620b43a | 3450 | } |
6c2d2a9f BP |
3451 | if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) { |
3452 | VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, " | |
3453 | "please use another bond type or disable flood_vlans", | |
3454 | port->name); | |
3455 | } | |
bb5bc6c0 | 3456 | |
a699f614 EJ |
3457 | miimon_interval = smap_get_int(&port->cfg->other_config, |
3458 | "bond-miimon-interval", 0); | |
1670c579 EJ |
3459 | if (miimon_interval <= 0) { |
3460 | miimon_interval = 200; | |
f620b43a BP |
3461 | } |
3462 | ||
a699f614 EJ |
3463 | detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode"); |
3464 | if (!detect_s || !strcmp(detect_s, "carrier")) { | |
1670c579 EJ |
3465 | miimon_interval = 0; |
3466 | } else if (strcmp(detect_s, "miimon")) { | |
3467 | VLOG_WARN("port %s: unsupported bond-detect-mode %s, " | |
3468 | "defaulting to carrier", port->name, detect_s); | |
3469 | miimon_interval = 0; | |
f620b43a BP |
3470 | } |
3471 | ||
fa066f01 BP |
3472 | s->up_delay = MAX(0, port->cfg->bond_updelay); |
3473 | s->down_delay = MAX(0, port->cfg->bond_downdelay); | |
a699f614 EJ |
3474 | s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0); |
3475 | s->rebalance_interval = smap_get_int(&port->cfg->other_config, | |
3476 | "bond-rebalance-interval", 10000); | |
bc1b010c | 3477 | if (s->rebalance_interval && s->rebalance_interval < 1000) { |
fa066f01 | 3478 | s->rebalance_interval = 1000; |
f620b43a BP |
3479 | } |
3480 | ||
fa066f01 | 3481 | s->fake_iface = port->cfg->bond_fake_iface; |
7a673515 | 3482 | |
9dd165e0 RK |
3483 | s->lacp_fallback_ab_cfg = smap_get_bool(&port->cfg->other_config, |
3484 | "lacp-fallback-ab", false); | |
3485 | ||
7a673515 | 3486 | LIST_FOR_EACH (iface, port_elem, &port->ifaces) { |
1670c579 | 3487 | netdev_set_miimon_interval(iface->netdev, miimon_interval); |
064af421 BP |
3488 | } |
3489 | } | |
06b592bc EJ |
3490 | |
3491 | /* Returns true if 'port' is synthetic, that is, if we constructed it locally | |
3492 | * instead of obtaining it from the database. */ | |
3493 | static bool | |
3494 | port_is_synthetic(const struct port *port) | |
3495 | { | |
3496 | return ovsdb_idl_row_is_synthetic(&port->cfg->header_); | |
3497 | } | |
064af421 BP |
3498 | \f |
3499 | /* Interface functions. */ | |
3500 | ||
05ba03e0 JP |
3501 | static bool |
3502 | iface_is_internal(const struct ovsrec_interface *iface, | |
3503 | const struct ovsrec_bridge *br) | |
3504 | { | |
3505 | /* The local port and "internal" ports are always "internal". */ | |
3506 | return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name); | |
3507 | } | |
3508 | ||
b54441b3 BP |
3509 | /* Returns the correct network device type for interface 'iface' in bridge |
3510 | * 'br'. */ | |
3511 | static const char * | |
3512 | iface_get_type(const struct ovsrec_interface *iface, | |
3513 | const struct ovsrec_bridge *br) | |
3514 | { | |
b4f4b737 JP |
3515 | const char *type; |
3516 | ||
3517 | /* The local port always has type "internal". Other ports take | |
3518 | * their type from the database and default to "system" if none is | |
3519 | * specified. */ | |
05ba03e0 | 3520 | if (iface_is_internal(iface, br)) { |
b4f4b737 | 3521 | type = "internal"; |
acf60855 | 3522 | } else { |
b4f4b737 | 3523 | type = iface->type[0] ? iface->type : "system"; |
acf60855 | 3524 | } |
b4f4b737 JP |
3525 | |
3526 | return ofproto_port_open_type(br->datapath_type, type); | |
064af421 BP |
3527 | } |
3528 | ||
3529 | static void | |
2a73b1d7 | 3530 | iface_destroy__(struct iface *iface) |
064af421 BP |
3531 | { |
3532 | if (iface) { | |
3533 | struct port *port = iface->port; | |
3534 | struct bridge *br = port->bridge; | |
c17f0d5e | 3535 | |
c60c33fb | 3536 | if (br->ofproto && iface->ofp_port != OFPP_NONE) { |
892815f5 | 3537 | ofproto_port_unregister(br->ofproto, iface->ofp_port); |
5827ce14 EJ |
3538 | } |
3539 | ||
c60c33fb | 3540 | if (iface->ofp_port != OFPP_NONE) { |
892815f5 | 3541 | hmap_remove(&br->ifaces, &iface->ofp_port_node); |
064af421 BP |
3542 | } |
3543 | ||
83db7968 | 3544 | list_remove(&iface->port_elem); |
ebea37cc | 3545 | hmap_remove(&br->iface_by_name, &iface->name_node); |
064af421 | 3546 | |
fe83f81d RW |
3547 | /* The user is changing configuration here, so netdev_remove needs to be |
3548 | * used as opposed to netdev_close */ | |
3549 | netdev_remove(iface->netdev); | |
064af421 | 3550 | |
a740f0de JG |
3551 | free(iface->name); |
3552 | free(iface); | |
064af421 BP |
3553 | } |
3554 | } | |
3555 | ||
2a73b1d7 BP |
3556 | static void |
3557 | iface_destroy(struct iface *iface) | |
3558 | { | |
3559 | if (iface) { | |
3560 | struct port *port = iface->port; | |
3561 | ||
3562 | iface_destroy__(iface); | |
3563 | if (list_is_empty(&port->ifaces)) { | |
3564 | port_destroy(port); | |
3565 | } | |
3566 | } | |
3567 | } | |
3568 | ||
064af421 BP |
3569 | static struct iface * |
3570 | iface_lookup(const struct bridge *br, const char *name) | |
3571 | { | |
ebea37cc BP |
3572 | struct iface *iface; |
3573 | ||
3574 | HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0), | |
3575 | &br->iface_by_name) { | |
3576 | if (!strcmp(iface->name, name)) { | |
3577 | return iface; | |
3578 | } | |
3579 | } | |
3580 | ||
3581 | return NULL; | |
064af421 BP |
3582 | } |
3583 | ||
e8fe3026 EJ |
3584 | static struct iface * |
3585 | iface_find(const char *name) | |
3586 | { | |
3587 | const struct bridge *br; | |
3588 | ||
764072fd | 3589 | HMAP_FOR_EACH (br, node, &all_bridges) { |
e8fe3026 EJ |
3590 | struct iface *iface = iface_lookup(br, name); |
3591 | ||
3592 | if (iface) { | |
3593 | return iface; | |
3594 | } | |
3595 | } | |
3596 | return NULL; | |
3597 | } | |
3598 | ||
064af421 | 3599 | static struct iface * |
4e022ec0 | 3600 | iface_from_ofp_port(const struct bridge *br, ofp_port_t ofp_port) |
064af421 | 3601 | { |
d9a8717a BP |
3602 | struct iface *iface; |
3603 | ||
f9c0c3ec | 3604 | HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node, hash_ofp_port(ofp_port), |
4e022ec0 | 3605 | &br->ifaces) { |
892815f5 | 3606 | if (iface->ofp_port == ofp_port) { |
d9a8717a BP |
3607 | return iface; |
3608 | } | |
3609 | } | |
3610 | return NULL; | |
064af421 | 3611 | } |
557d8e6c | 3612 | |
52df17e7 BP |
3613 | /* Set Ethernet address of 'iface', if one is specified in the configuration |
3614 | * file. */ | |
3615 | static void | |
21a955fc | 3616 | iface_set_mac(const struct bridge *br, const struct port *port, struct iface *iface) |
52df17e7 | 3617 | { |
21a955fc HS |
3618 | uint8_t ea[ETH_ADDR_LEN], *mac = NULL; |
3619 | struct iface *hw_addr_iface; | |
52df17e7 | 3620 | |
ddd43de9 HS |
3621 | if (strcmp(iface->type, "internal")) { |
3622 | return; | |
3623 | } | |
3624 | ||
3625 | if (iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) { | |
3626 | mac = ea; | |
21a955fc HS |
3627 | } else if (port->cfg->fake_bridge) { |
3628 | /* Fake bridge and no MAC set in the configuration. Pick a local one. */ | |
3629 | find_local_hw_addr(br, ea, port, &hw_addr_iface); | |
3630 | mac = ea; | |
ddd43de9 HS |
3631 | } |
3632 | ||
3633 | if (mac) { | |
892815f5 | 3634 | if (iface->ofp_port == OFPP_LOCAL) { |
ede2fd6d BP |
3635 | VLOG_ERR("interface %s: ignoring mac in Interface record " |
3636 | "(use Bridge record to set local port's mac)", | |
3637 | iface->name); | |
ddd43de9 | 3638 | } else if (eth_addr_is_multicast(mac)) { |
52df17e7 BP |
3639 | VLOG_ERR("interface %s: cannot set MAC to multicast address", |
3640 | iface->name); | |
52df17e7 | 3641 | } else { |
ddd43de9 | 3642 | int error = netdev_set_etheraddr(iface->netdev, mac); |
52df17e7 BP |
3643 | if (error) { |
3644 | VLOG_ERR("interface %s: setting MAC failed (%s)", | |
10a89ef0 | 3645 | iface->name, ovs_strerror(error)); |
52df17e7 BP |
3646 | } |
3647 | } | |
3648 | } | |
3649 | } | |
c1c9c9c4 | 3650 | |
bcd49a45 BP |
3651 | /* Sets the ofport column of 'if_cfg' to 'ofport'. */ |
3652 | static void | |
4e022ec0 | 3653 | iface_set_ofport(const struct ovsrec_interface *if_cfg, ofp_port_t ofport) |
bcd49a45 | 3654 | { |
cfea354b | 3655 | if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { |
820b35a3 BP |
3656 | int64_t port = ofport == OFPP_NONE ? -1 : ofp_to_u16(ofport); |
3657 | ovsrec_interface_set_ofport(if_cfg, &port, 1); | |
bcd49a45 BP |
3658 | } |
3659 | } | |
3660 | ||
3fc5a86a BP |
3661 | /* Clears all of the fields in 'if_cfg' that indicate interface status, and |
3662 | * sets the "ofport" field to -1. | |
3663 | * | |
3664 | * This is appropriate when 'if_cfg''s interface cannot be created or is | |
3665 | * otherwise invalid. */ | |
3666 | static void | |
bbe6109d | 3667 | iface_clear_db_record(const struct ovsrec_interface *if_cfg, char *errp) |
3fc5a86a BP |
3668 | { |
3669 | if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) { | |
59804c80 | 3670 | iface_set_ofport(if_cfg, OFPP_NONE); |
bbe6109d | 3671 | ovsrec_interface_set_error(if_cfg, errp); |
a699f614 | 3672 | ovsrec_interface_set_status(if_cfg, NULL); |
3fc5a86a BP |
3673 | ovsrec_interface_set_admin_state(if_cfg, NULL); |
3674 | ovsrec_interface_set_duplex(if_cfg, NULL); | |
3675 | ovsrec_interface_set_link_speed(if_cfg, NULL, 0); | |
3676 | ovsrec_interface_set_link_state(if_cfg, NULL); | |
df867eda | 3677 | ovsrec_interface_set_mac_in_use(if_cfg, NULL); |
3fc5a86a BP |
3678 | ovsrec_interface_set_mtu(if_cfg, NULL, 0); |
3679 | ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0); | |
b9380396 | 3680 | ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0); |
3fc5a86a BP |
3681 | ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0); |
3682 | ovsrec_interface_set_lacp_current(if_cfg, NULL, 0); | |
3683 | ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0); | |
ea401d9a | 3684 | ovsrec_interface_set_ifindex(if_cfg, NULL, 0); |
3fc5a86a BP |
3685 | } |
3686 | } | |
3687 | ||
c1c9c9c4 | 3688 | static bool |
44fca7f9 | 3689 | queue_ids_include(const struct ovsdb_datum *queues, int64_t target) |
c1c9c9c4 | 3690 | { |
44fca7f9 | 3691 | union ovsdb_atom atom; |
c1c9c9c4 | 3692 | |
44fca7f9 BP |
3693 | atom.integer = target; |
3694 | return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX; | |
c1c9c9c4 BP |
3695 | } |
3696 | ||
c1c9c9c4 | 3697 | static void |
66da9bef | 3698 | iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos) |
c1c9c9c4 | 3699 | { |
8b36f51e EJ |
3700 | struct ofpbuf queues_buf; |
3701 | ||
3702 | ofpbuf_init(&queues_buf, 0); | |
3703 | ||
daa8bd2b | 3704 | if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) { |
c1c9c9c4 BP |
3705 | netdev_set_qos(iface->netdev, NULL, NULL); |
3706 | } else { | |
89454bf4 BP |
3707 | const struct ovsdb_datum *queues; |
3708 | struct netdev_queue_dump dump; | |
3709 | unsigned int queue_id; | |
3710 | struct smap details; | |
6a6e60bd | 3711 | bool queue_zero; |
c1c9c9c4 BP |
3712 | size_t i; |
3713 | ||
3714 | /* Configure top-level Qos for 'iface'. */ | |
a699f614 | 3715 | netdev_set_qos(iface->netdev, qos->type, &qos->other_config); |
c1c9c9c4 BP |
3716 | |
3717 | /* Deconfigure queues that were deleted. */ | |
89454bf4 BP |
3718 | queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER, |
3719 | OVSDB_TYPE_UUID); | |
3720 | smap_init(&details); | |
3721 | NETDEV_QUEUE_FOR_EACH (&queue_id, &details, &dump, iface->netdev) { | |
3722 | if (!queue_ids_include(queues, queue_id)) { | |
3723 | netdev_delete_queue(iface->netdev, queue_id); | |
3724 | } | |
3725 | } | |
3726 | smap_destroy(&details); | |
c1c9c9c4 BP |
3727 | |
3728 | /* Configure queues for 'iface'. */ | |
6a6e60bd | 3729 | queue_zero = false; |
c1c9c9c4 BP |
3730 | for (i = 0; i < qos->n_queues; i++) { |
3731 | const struct ovsrec_queue *queue = qos->value_queues[i]; | |
3732 | unsigned int queue_id = qos->key_queues[i]; | |
3733 | ||
6a6e60bd BP |
3734 | if (queue_id == 0) { |
3735 | queue_zero = true; | |
3736 | } | |
3737 | ||
8b36f51e EJ |
3738 | if (queue->n_dscp == 1) { |
3739 | struct ofproto_port_queue *port_queue; | |
3740 | ||
3741 | port_queue = ofpbuf_put_uninit(&queues_buf, | |
3742 | sizeof *port_queue); | |
3743 | port_queue->queue = queue_id; | |
3744 | port_queue->dscp = queue->dscp[0]; | |
3745 | } | |
3746 | ||
a699f614 | 3747 | netdev_set_queue(iface->netdev, queue_id, &queue->other_config); |
c1c9c9c4 | 3748 | } |
6a6e60bd | 3749 | if (!queue_zero) { |
a699f614 EJ |
3750 | struct smap details; |
3751 | ||
79f1cbe9 | 3752 | smap_init(&details); |
2c999774 | 3753 | netdev_set_queue(iface->netdev, 0, &details); |
79f1cbe9 | 3754 | smap_destroy(&details); |
6a6e60bd | 3755 | } |
c1c9c9c4 | 3756 | } |
fa066f01 | 3757 | |
c60c33fb | 3758 | if (iface->ofp_port != OFPP_NONE) { |
1f317cb5 PS |
3759 | const struct ofproto_port_queue *port_queues = ofpbuf_data(&queues_buf); |
3760 | size_t n_queues = ofpbuf_size(&queues_buf) / sizeof *port_queues; | |
8b36f51e EJ |
3761 | |
3762 | ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port, | |
3763 | port_queues, n_queues); | |
3764 | } | |
3765 | ||
fa066f01 BP |
3766 | netdev_set_policing(iface->netdev, |
3767 | iface->cfg->ingress_policing_rate, | |
3768 | iface->cfg->ingress_policing_burst); | |
8b36f51e EJ |
3769 | |
3770 | ofpbuf_uninit(&queues_buf); | |
c1c9c9c4 | 3771 | } |
b31bcf60 EJ |
3772 | |
3773 | static void | |
66da9bef | 3774 | iface_configure_cfm(struct iface *iface) |
b31bcf60 | 3775 | { |
93b8df38 | 3776 | const struct ovsrec_interface *cfg = iface->cfg; |
a699f614 | 3777 | const char *opstate_str; |
189cb9e4 | 3778 | const char *cfm_ccm_vlan; |
a5610457 | 3779 | struct cfm_settings s; |
b363bae4 | 3780 | struct smap netdev_args; |
b31bcf60 | 3781 | |
144216a3 | 3782 | if (!cfg->n_cfm_mpid) { |
892815f5 | 3783 | ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port); |
b31bcf60 EJ |
3784 | return; |
3785 | } | |
3786 | ||
b363bae4 EJ |
3787 | s.check_tnl_key = false; |
3788 | smap_init(&netdev_args); | |
3789 | if (!netdev_get_config(iface->netdev, &netdev_args)) { | |
3790 | const char *key = smap_get(&netdev_args, "key"); | |
3791 | const char *in_key = smap_get(&netdev_args, "in_key"); | |
3792 | ||
3793 | s.check_tnl_key = (key && !strcmp(key, "flow")) | |
3794 | || (in_key && !strcmp(in_key, "flow")); | |
3795 | } | |
3796 | smap_destroy(&netdev_args); | |
3797 | ||
a5610457 | 3798 | s.mpid = *cfg->cfm_mpid; |
a699f614 EJ |
3799 | s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0); |
3800 | cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan"); | |
3801 | s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0); | |
3802 | ||
a5610457 EJ |
3803 | if (s.interval <= 0) { |
3804 | s.interval = 1000; | |
b31bcf60 | 3805 | } |
b31bcf60 | 3806 | |
a699f614 EJ |
3807 | if (!cfm_ccm_vlan) { |
3808 | s.ccm_vlan = 0; | |
3809 | } else if (!strcasecmp("random", cfm_ccm_vlan)) { | |
189cb9e4 EJ |
3810 | s.ccm_vlan = CFM_RANDOM_VLAN; |
3811 | } else { | |
3812 | s.ccm_vlan = atoi(cfm_ccm_vlan); | |
3813 | if (s.ccm_vlan == CFM_RANDOM_VLAN) { | |
3814 | s.ccm_vlan = 0; | |
3815 | } | |
3816 | } | |
3817 | ||
a699f614 EJ |
3818 | s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended", |
3819 | false); | |
90967e95 | 3820 | s.demand = smap_get_bool(&iface->cfg->other_config, "cfm_demand", false); |
ef9819b5 | 3821 | |
a699f614 EJ |
3822 | opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate"); |
3823 | s.opup = !opstate_str || !strcasecmp("up", opstate_str); | |
86dc6501 | 3824 | |
a5610457 | 3825 | ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s); |
b31bcf60 | 3826 | } |
0b8024eb | 3827 | |
cfea354b BP |
3828 | /* Returns true if 'iface' is synthetic, that is, if we constructed it locally |
3829 | * instead of obtaining it from the database. */ | |
3830 | static bool | |
3831 | iface_is_synthetic(const struct iface *iface) | |
3832 | { | |
3833 | return ovsdb_idl_row_is_synthetic(&iface->cfg->header_); | |
3834 | } | |
f125905c | 3835 | |
4e022ec0 | 3836 | static ofp_port_t |
4abb8608 BP |
3837 | iface_validate_ofport__(size_t n, int64_t *ofport) |
3838 | { | |
3839 | return (n && *ofport >= 1 && *ofport < ofp_to_u16(OFPP_MAX) | |
3840 | ? u16_to_ofp(*ofport) | |
3841 | : OFPP_NONE); | |
3842 | } | |
3843 | ||
3844 | static ofp_port_t | |
3845 | iface_get_requested_ofp_port(const struct ovsrec_interface *cfg) | |
558e2cc5 | 3846 | { |
4abb8608 | 3847 | return iface_validate_ofport__(cfg->n_ofport_request, cfg->ofport_request); |
558e2cc5 GS |
3848 | } |
3849 | ||
4abb8608 BP |
3850 | static ofp_port_t |
3851 | iface_pick_ofport(const struct ovsrec_interface *cfg) | |
3852 | { | |
3853 | ofp_port_t requested_ofport = iface_get_requested_ofp_port(cfg); | |
3854 | return (requested_ofport != OFPP_NONE | |
3855 | ? requested_ofport | |
3856 | : iface_validate_ofport__(cfg->n_ofport, cfg->ofport)); | |
3857 | } | |
064af421 BP |
3858 | \f |
3859 | /* Port mirroring. */ | |
3860 | ||
dd0d105c BP |
3861 | static struct mirror * |
3862 | mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid) | |
3863 | { | |
fa066f01 | 3864 | struct mirror *m; |
dd0d105c | 3865 | |
fa066f01 BP |
3866 | HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) { |
3867 | if (uuid_equals(uuid, &m->uuid)) { | |
dd0d105c BP |
3868 | return m; |
3869 | } | |
3870 | } | |
3871 | return NULL; | |
3872 | } | |
3873 | ||
064af421 | 3874 | static void |
fa066f01 | 3875 | bridge_configure_mirrors(struct bridge *br) |
064af421 | 3876 | { |
fa066f01 BP |
3877 | const struct ovsdb_datum *mc; |
3878 | unsigned long *flood_vlans; | |
3879 | struct mirror *m, *next; | |
3880 | size_t i; | |
064af421 | 3881 | |
dd0d105c | 3882 | /* Get rid of deleted mirrors. */ |
fa066f01 BP |
3883 | mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID); |
3884 | HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) { | |
3885 | union ovsdb_atom atom; | |
3886 | ||
3887 | atom.uuid = m->uuid; | |
3888 | if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) { | |
3889 | mirror_destroy(m); | |
064af421 BP |
3890 | } |
3891 | } | |
3892 | ||
dd0d105c | 3893 | /* Add new mirrors and reconfigure existing ones. */ |
37e7f427 | 3894 | for (i = 0; i < br->cfg->n_mirrors; i++) { |
fa066f01 | 3895 | const struct ovsrec_mirror *cfg = br->cfg->mirrors[i]; |
dd0d105c | 3896 | struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid); |
fa066f01 BP |
3897 | if (!m) { |
3898 | m = mirror_create(br, cfg); | |
064af421 | 3899 | } |
9d24de3b JP |
3900 | m->cfg = cfg; |
3901 | if (!mirror_configure(m)) { | |
fa066f01 | 3902 | mirror_destroy(m); |
064af421 BP |
3903 | } |
3904 | } | |
f2d7fd66 | 3905 | |
8f30d09a | 3906 | /* Update flooded vlans (for RSPAN). */ |
fa066f01 BP |
3907 | flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans, |
3908 | br->cfg->n_flood_vlans); | |
3909 | ofproto_set_flood_vlans(br->ofproto, flood_vlans); | |
3910 | bitmap_free(flood_vlans); | |
064af421 BP |
3911 | } |
3912 | ||
fa066f01 BP |
3913 | static struct mirror * |
3914 | mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg) | |
064af421 BP |
3915 | { |
3916 | struct mirror *m; | |
064af421 | 3917 | |
fa066f01 | 3918 | m = xzalloc(sizeof *m); |
8bbc128e | 3919 | m->uuid = cfg->header_.uuid; |
fa066f01 | 3920 | hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid)); |
064af421 | 3921 | m->bridge = br; |
dd0d105c | 3922 | m->name = xstrdup(cfg->name); |
37e7f427 | 3923 | |
fa066f01 | 3924 | return m; |
064af421 BP |
3925 | } |
3926 | ||
3927 | static void | |
3928 | mirror_destroy(struct mirror *m) | |
3929 | { | |
3930 | if (m) { | |
3931 | struct bridge *br = m->bridge; | |
064af421 | 3932 | |
fa066f01 BP |
3933 | if (br->ofproto) { |
3934 | ofproto_mirror_unregister(br->ofproto, m); | |
064af421 BP |
3935 | } |
3936 | ||
fa066f01 | 3937 | hmap_remove(&br->mirrors, &m->hmap_node); |
786880a5 | 3938 | free(m->name); |
064af421 | 3939 | free(m); |
064af421 BP |
3940 | } |
3941 | } | |
3942 | ||
3943 | static void | |
fa066f01 BP |
3944 | mirror_collect_ports(struct mirror *m, |
3945 | struct ovsrec_port **in_ports, int n_in_ports, | |
3946 | void ***out_portsp, size_t *n_out_portsp) | |
064af421 | 3947 | { |
fa066f01 BP |
3948 | void **out_ports = xmalloc(n_in_ports * sizeof *out_ports); |
3949 | size_t n_out_ports = 0; | |
064af421 BP |
3950 | size_t i; |
3951 | ||
fa066f01 BP |
3952 | for (i = 0; i < n_in_ports; i++) { |
3953 | const char *name = in_ports[i]->name; | |
3954 | struct port *port = port_lookup(m->bridge, name); | |
3955 | if (port) { | |
3956 | out_ports[n_out_ports++] = port; | |
064af421 | 3957 | } else { |
37e7f427 BP |
3958 | VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent " |
3959 | "port %s", m->bridge->name, m->name, name); | |
064af421 BP |
3960 | } |
3961 | } | |
fa066f01 BP |
3962 | *out_portsp = out_ports; |
3963 | *n_out_portsp = n_out_ports; | |
064af421 BP |
3964 | } |
3965 | ||
3966 | static bool | |
9d24de3b | 3967 | mirror_configure(struct mirror *m) |
064af421 | 3968 | { |
9d24de3b | 3969 | const struct ovsrec_mirror *cfg = m->cfg; |
fa066f01 | 3970 | struct ofproto_mirror_settings s; |
064af421 | 3971 | |
dd0d105c BP |
3972 | /* Set name. */ |
3973 | if (strcmp(cfg->name, m->name)) { | |
3974 | free(m->name); | |
3975 | m->name = xstrdup(cfg->name); | |
3976 | } | |
fa066f01 | 3977 | s.name = m->name; |
dd0d105c | 3978 | |
fa066f01 | 3979 | /* Get output port or VLAN. */ |
37e7f427 | 3980 | if (cfg->output_port) { |
fa066f01 | 3981 | s.out_bundle = port_lookup(m->bridge, cfg->output_port->name); |
abe529af | 3982 | if (!s.out_bundle) { |
37e7f427 BP |
3983 | VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge", |
3984 | m->bridge->name, m->name); | |
fa066f01 | 3985 | return false; |
064af421 | 3986 | } |
fa066f01 | 3987 | s.out_vlan = UINT16_MAX; |
064af421 | 3988 | |
37e7f427 BP |
3989 | if (cfg->output_vlan) { |
3990 | VLOG_ERR("bridge %s: mirror %s specifies both output port and " | |
3991 | "output vlan; ignoring output vlan", | |
3992 | m->bridge->name, m->name); | |
064af421 | 3993 | } |
37e7f427 | 3994 | } else if (cfg->output_vlan) { |
fa066f01 BP |
3995 | /* The database should prevent invalid VLAN values. */ |
3996 | s.out_bundle = NULL; | |
3997 | s.out_vlan = *cfg->output_vlan; | |
064af421 | 3998 | } else { |
37e7f427 BP |
3999 | VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring", |
4000 | m->bridge->name, m->name); | |
fa066f01 | 4001 | return false; |
064af421 BP |
4002 | } |
4003 | ||
fa066f01 | 4004 | /* Get port selection. */ |
939ff267 | 4005 | if (cfg->select_all) { |
fa066f01 BP |
4006 | size_t n_ports = hmap_count(&m->bridge->ports); |
4007 | void **ports = xmalloc(n_ports * sizeof *ports); | |
abe529af | 4008 | struct port *port; |
fa066f01 BP |
4009 | size_t i; |
4010 | ||
4011 | i = 0; | |
8052fb14 | 4012 | HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) { |
fa066f01 | 4013 | ports[i++] = port; |
939ff267 | 4014 | } |
fa066f01 BP |
4015 | |
4016 | s.srcs = ports; | |
4017 | s.n_srcs = n_ports; | |
4018 | ||
4019 | s.dsts = ports; | |
4020 | s.n_dsts = n_ports; | |
939ff267 | 4021 | } else { |
fa066f01 BP |
4022 | /* Get ports, dropping ports that don't exist. |
4023 | * The IDL ensures that there are no duplicates. */ | |
939ff267 | 4024 | mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port, |
fa066f01 | 4025 | &s.srcs, &s.n_srcs); |
939ff267 | 4026 | mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port, |
fa066f01 | 4027 | &s.dsts, &s.n_dsts); |
064af421 BP |
4028 | } |
4029 | ||
fa066f01 BP |
4030 | /* Get VLAN selection. */ |
4031 | s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan); | |
4032 | ||
4033 | /* Configure. */ | |
4034 | ofproto_mirror_register(m->bridge->ofproto, m, &s); | |
4035 | ||
064af421 | 4036 | /* Clean up. */ |
fa066f01 BP |
4037 | if (s.srcs != s.dsts) { |
4038 | free(s.dsts); | |
4039 | } | |
4040 | free(s.srcs); | |
4041 | free(s.src_vlans); | |
4042 | ||
4043 | return true; | |
064af421 | 4044 | } |
52a90c29 BP |
4045 | \f |
4046 | /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.) | |
4047 | * | |
4048 | * This is deprecated. It is only for compatibility with broken device drivers | |
4049 | * in old versions of Linux that do not properly support VLANs when VLAN | |
4050 | * devices are not used. When broken device drivers are no longer in | |
4051 | * widespread use, we will delete these interfaces. */ | |
4052 | ||
37344ffa EJ |
4053 | static struct ovsrec_port **recs; |
4054 | static size_t n_recs, allocated_recs; | |
52a90c29 | 4055 | |
37344ffa EJ |
4056 | /* Adds 'rec' to a list of recs that have to be destroyed when the VLAN |
4057 | * splinters are reconfigured. */ | |
52a90c29 | 4058 | static void |
37344ffa | 4059 | register_rec(struct ovsrec_port *rec) |
52a90c29 | 4060 | { |
37344ffa EJ |
4061 | if (n_recs >= allocated_recs) { |
4062 | recs = x2nrealloc(recs, &allocated_recs, sizeof *recs); | |
52a90c29 | 4063 | } |
37344ffa | 4064 | recs[n_recs++] = rec; |
52a90c29 BP |
4065 | } |
4066 | ||
37344ffa | 4067 | /* Frees all of the ports registered with register_reg(). */ |
52a90c29 | 4068 | static void |
37344ffa | 4069 | free_registered_recs(void) |
52a90c29 BP |
4070 | { |
4071 | size_t i; | |
4072 | ||
37344ffa EJ |
4073 | for (i = 0; i < n_recs; i++) { |
4074 | struct ovsrec_port *port = recs[i]; | |
4075 | size_t j; | |
4076 | ||
4077 | for (j = 0; j < port->n_interfaces; j++) { | |
4078 | struct ovsrec_interface *iface = port->interfaces[j]; | |
4079 | free(iface->name); | |
4080 | free(iface); | |
4081 | } | |
4082 | ||
a699f614 | 4083 | smap_destroy(&port->other_config); |
37344ffa EJ |
4084 | free(port->interfaces); |
4085 | free(port->name); | |
4086 | free(port->tag); | |
37344ffa | 4087 | free(port); |
52a90c29 | 4088 | } |
37344ffa | 4089 | n_recs = 0; |
52a90c29 BP |
4090 | } |
4091 | ||
4092 | /* Returns true if VLAN splinters are enabled on 'iface_cfg', false | |
4093 | * otherwise. */ | |
4094 | static bool | |
4095 | vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg) | |
4096 | { | |
a699f614 EJ |
4097 | return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters", |
4098 | false); | |
52a90c29 BP |
4099 | } |
4100 | ||
4101 | /* Figures out the set of VLANs that are in use for the purpose of VLAN | |
4102 | * splinters. | |
4103 | * | |
4104 | * If VLAN splinters are enabled on at least one interface and any VLANs are in | |
4105 | * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and | |
4106 | * 4095 will not be set). The caller is responsible for freeing the bitmap, | |
4107 | * with free(). | |
4108 | * | |
4109 | * If VLANs splinters are not enabled on any interface or if no VLANs are in | |
4110 | * use, returns NULL. | |
4111 | * | |
4112 | * Updates 'vlan_splinters_enabled_anywhere'. */ | |
4113 | static unsigned long int * | |
4114 | collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg) | |
4115 | { | |
4116 | unsigned long int *splinter_vlans; | |
4117 | struct sset splinter_ifaces; | |
4118 | const char *real_dev_name; | |
4119 | struct shash *real_devs; | |
4120 | struct shash_node *node; | |
4121 | struct bridge *br; | |
4122 | size_t i; | |
4123 | ||
7c70698f BP |
4124 | /* Free space allocated for synthesized ports and interfaces, since we're |
4125 | * in the process of reconstructing all of them. */ | |
37344ffa | 4126 | free_registered_recs(); |
7c70698f | 4127 | |
45c580a3 | 4128 | splinter_vlans = bitmap_allocate(4096); |
52a90c29 | 4129 | sset_init(&splinter_ifaces); |
45c580a3 | 4130 | vlan_splinters_enabled_anywhere = false; |
52a90c29 BP |
4131 | for (i = 0; i < ovs_cfg->n_bridges; i++) { |
4132 | struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i]; | |
4133 | size_t j; | |
4134 | ||
4135 | for (j = 0; j < br_cfg->n_ports; j++) { | |
4136 | struct ovsrec_port *port_cfg = br_cfg->ports[j]; | |
4137 | int k; | |
4138 | ||
4139 | for (k = 0; k < port_cfg->n_interfaces; k++) { | |
4140 | struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k]; | |
4141 | ||
4142 | if (vlan_splinters_is_enabled(iface_cfg)) { | |
45c580a3 | 4143 | vlan_splinters_enabled_anywhere = true; |
52a90c29 | 4144 | sset_add(&splinter_ifaces, iface_cfg->name); |
52a90c29 BP |
4145 | vlan_bitmap_from_array__(port_cfg->trunks, |
4146 | port_cfg->n_trunks, | |
4147 | splinter_vlans); | |
4148 | } | |
4149 | } | |
45c580a3 BP |
4150 | |
4151 | if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) { | |
4152 | bitmap_set1(splinter_vlans, *port_cfg->tag); | |
4153 | } | |
52a90c29 BP |
4154 | } |
4155 | } | |
4156 | ||
45c580a3 BP |
4157 | if (!vlan_splinters_enabled_anywhere) { |
4158 | free(splinter_vlans); | |
52a90c29 BP |
4159 | sset_destroy(&splinter_ifaces); |
4160 | return NULL; | |
4161 | } | |
4162 | ||
4163 | HMAP_FOR_EACH (br, node, &all_bridges) { | |
4164 | if (br->ofproto) { | |
4165 | ofproto_get_vlan_usage(br->ofproto, splinter_vlans); | |
4166 | } | |
4167 | } | |
4168 | ||
4169 | /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on | |
4170 | * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN | |
4171 | * device to be created for it. */ | |
4172 | bitmap_set0(splinter_vlans, 0); | |
4173 | bitmap_set0(splinter_vlans, 4095); | |
4174 | ||
4175 | /* Delete all VLAN devices that we don't need. */ | |
4176 | vlandev_refresh(); | |
4177 | real_devs = vlandev_get_real_devs(); | |
4178 | SHASH_FOR_EACH (node, real_devs) { | |
4179 | const struct vlan_real_dev *real_dev = node->data; | |
4180 | const struct vlan_dev *vlan_dev; | |
4181 | bool real_dev_has_splinters; | |
4182 | ||
4183 | real_dev_has_splinters = sset_contains(&splinter_ifaces, | |
4184 | real_dev->name); | |
4185 | HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) { | |
4186 | if (!real_dev_has_splinters | |
4187 | || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) { | |
4188 | struct netdev *netdev; | |
4189 | ||
4190 | if (!netdev_open(vlan_dev->name, "system", &netdev)) { | |
4191 | if (!netdev_get_in4(netdev, NULL, NULL) || | |
4192 | !netdev_get_in6(netdev, NULL)) { | |
52a90c29 BP |
4193 | /* It has an IP address configured, so we don't own |
4194 | * it. Don't delete it. */ | |
b41c3e5c AW |
4195 | } else { |
4196 | vlandev_del(vlan_dev->name); | |
52a90c29 BP |
4197 | } |
4198 | netdev_close(netdev); | |
4199 | } | |
4200 | } | |
4201 | ||
4202 | } | |
4203 | } | |
4204 | ||
4205 | /* Add all VLAN devices that we need. */ | |
4206 | SSET_FOR_EACH (real_dev_name, &splinter_ifaces) { | |
4207 | int vid; | |
4208 | ||
4209 | BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) { | |
4210 | if (!vlandev_get_name(real_dev_name, vid)) { | |
4211 | vlandev_add(real_dev_name, vid); | |
4212 | } | |
4213 | } | |
4214 | } | |
4215 | ||
4216 | vlandev_refresh(); | |
4217 | ||
4218 | sset_destroy(&splinter_ifaces); | |
4219 | ||
b71273f6 | 4220 | if (bitmap_scan(splinter_vlans, 1, 0, 4096) >= 4096) { |
52a90c29 BP |
4221 | free(splinter_vlans); |
4222 | return NULL; | |
4223 | } | |
4224 | return splinter_vlans; | |
4225 | } | |
4226 | ||
4227 | /* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to | |
4228 | * ofproto. */ | |
4229 | static void | |
4230 | configure_splinter_port(struct port *port) | |
4231 | { | |
4232 | struct ofproto *ofproto = port->bridge->ofproto; | |
4e022ec0 | 4233 | ofp_port_t realdev_ofp_port; |
52a90c29 BP |
4234 | const char *realdev_name; |
4235 | struct iface *vlandev, *realdev; | |
4236 | ||
4237 | ofproto_bundle_unregister(port->bridge->ofproto, port); | |
4238 | ||
4239 | vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface, | |
4240 | port_elem); | |
4241 | ||
a699f614 | 4242 | realdev_name = smap_get(&port->cfg->other_config, "realdev"); |
52a90c29 BP |
4243 | realdev = iface_lookup(port->bridge, realdev_name); |
4244 | realdev_ofp_port = realdev ? realdev->ofp_port : 0; | |
4245 | ||
4246 | ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port, | |
4247 | *port->cfg->tag); | |
4248 | } | |
4249 | ||
4250 | static struct ovsrec_port * | |
4251 | synthesize_splinter_port(const char *real_dev_name, | |
4252 | const char *vlan_dev_name, int vid) | |
4253 | { | |
4254 | struct ovsrec_interface *iface; | |
4255 | struct ovsrec_port *port; | |
4256 | ||
a699f614 EJ |
4257 | iface = xmalloc(sizeof *iface); |
4258 | ovsrec_interface_init(iface); | |
52a90c29 BP |
4259 | iface->name = xstrdup(vlan_dev_name); |
4260 | iface->type = "system"; | |
4261 | ||
a699f614 EJ |
4262 | port = xmalloc(sizeof *port); |
4263 | ovsrec_port_init(port); | |
52a90c29 BP |
4264 | port->interfaces = xmemdup(&iface, sizeof iface); |
4265 | port->n_interfaces = 1; | |
4266 | port->name = xstrdup(vlan_dev_name); | |
4267 | port->vlan_mode = "splinter"; | |
4268 | port->tag = xmalloc(sizeof *port->tag); | |
4269 | *port->tag = vid; | |
a699f614 EJ |
4270 | |
4271 | smap_add(&port->other_config, "realdev", real_dev_name); | |
52a90c29 | 4272 | |
37344ffa | 4273 | register_rec(port); |
52a90c29 BP |
4274 | return port; |
4275 | } | |
4276 | ||
4277 | /* For each interface with 'br' that has VLAN splinters enabled, adds a | |
4278 | * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a | |
4279 | * 1-bit in the 'splinter_vlans' bitmap. */ | |
4280 | static void | |
4281 | add_vlan_splinter_ports(struct bridge *br, | |
4282 | const unsigned long int *splinter_vlans, | |
4283 | struct shash *ports) | |
4284 | { | |
4285 | size_t i; | |
4286 | ||
52a90c29 BP |
4287 | /* We iterate through 'br->cfg->ports' instead of 'ports' here because |
4288 | * we're modifying 'ports'. */ | |
4289 | for (i = 0; i < br->cfg->n_ports; i++) { | |
4290 | const char *name = br->cfg->ports[i]->name; | |
4291 | struct ovsrec_port *port_cfg = shash_find_data(ports, name); | |
4292 | size_t j; | |
4293 | ||
4294 | for (j = 0; j < port_cfg->n_interfaces; j++) { | |
4295 | struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j]; | |
4296 | ||
4297 | if (vlan_splinters_is_enabled(iface_cfg)) { | |
4298 | const char *real_dev_name; | |
4299 | uint16_t vid; | |
4300 | ||
4301 | real_dev_name = iface_cfg->name; | |
4302 | BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) { | |
4303 | const char *vlan_dev_name; | |
4304 | ||
4305 | vlan_dev_name = vlandev_get_name(real_dev_name, vid); | |
4306 | if (vlan_dev_name | |
4307 | && !shash_find(ports, vlan_dev_name)) { | |
4308 | shash_add(ports, vlan_dev_name, | |
4309 | synthesize_splinter_port( | |
4310 | real_dev_name, vlan_dev_name, vid)); | |
4311 | } | |
4312 | } | |
4313 | } | |
4314 | } | |
4315 | } | |
4316 | } | |
9d24de3b JP |
4317 | |
4318 | static void | |
4319 | mirror_refresh_stats(struct mirror *m) | |
4320 | { | |
4321 | struct ofproto *ofproto = m->bridge->ofproto; | |
4322 | uint64_t tx_packets, tx_bytes; | |
4323 | char *keys[2]; | |
4324 | int64_t values[2]; | |
4325 | size_t stat_cnt = 0; | |
4326 | ||
4327 | if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) { | |
4328 | ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0); | |
4329 | return; | |
4330 | } | |
4331 | ||
4332 | if (tx_packets != UINT64_MAX) { | |
4333 | keys[stat_cnt] = "tx_packets"; | |
4334 | values[stat_cnt] = tx_packets; | |
4335 | stat_cnt++; | |
4336 | } | |
4337 | if (tx_bytes != UINT64_MAX) { | |
4338 | keys[stat_cnt] = "tx_bytes"; | |
4339 | values[stat_cnt] = tx_bytes; | |
4340 | stat_cnt++; | |
4341 | } | |
4342 | ||
4343 | ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt); | |
4344 | } |